1 2007-07-04 Richard Guenther <rguenther@suse.de>
3 * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
6 2007-07-04 Nick Clifton <nickc@redhat.com>
8 * target.h (struct gcc_target): Add target_help field.
9 * target-def.h (TARGET_HELP): New.
10 (TARGET_INITIALIZER): Use TARGET_HELP.
11 * opts.c (command_handle_option): Invoke target_help function, if
12 defined, when the user has specified --target-help on the command
14 * doc/invoke.texi: Mention that --target-help might print
15 additional information.
16 * doc/tm.texi: Document TARGET_HELP hook.
18 * arm.c (TARGET_HELP): Override default definition.
19 (arm_target_help): New - display a wrapped list of cores and
20 architectures supported.
22 2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
24 * config/gcc/v850/v850.c (expand_prologue): Make sure
25 GEN_INT() argument is sign extended rather than zero extended.
26 (expand_epilogue): Likewise.
27 (output_move_double): Delete.
28 * config/gcc/v850/v850-protos.h (output_move_double): Delete.
29 * config/gcc/v850/v850.md (movdi): Delete.
30 (*movdi_internal): Delete.
32 (*movdf_internal): Delete.
34 2007-07-04 Richard Sandiford <richard@codesourcery.com>
36 * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
37 unless compiling RTP PIC.
39 2007-07-04 Richard Guenther <rguenther@suse.de>
41 PR tree-optimization/32482
42 * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
43 original ssa name if we didn't find a shift expression.
44 Fix shift constant for bit zero test.
46 2007-07-04 Richard Sandiford <richard@codesourcery.com>
48 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
50 2007-07-04 Richard Sandiford <richard@codesourcery.com>
52 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
53 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
54 * config/arm/vxworks.h (ASM_SPEC): Delete.
55 (SUBTARGET_EXTRA_ASM_SPEC): Define.
57 2007-07-04 Sebastian Pop <sebpop@gmail.com>
59 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
60 (DDR_REVERSED_P): New.
61 * tree-data-ref.c (initialize_data_dependence_relation,
62 build_classic_dist_vector): Set DDR_REVERSED_P.
64 2007-07-04 Sebastian Pop <sebpop@gmail.com>
67 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
68 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
69 init_omega_for_ddr_1): Use non conservative number of iterations
71 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
72 (analyze_siv_subscript): Remove FIXME and reinitialization of
73 last_conflicts to chrec_dont_know.
74 * testsuite/gfortran.dg/vect/pr32457.f90: New.
76 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
78 * tree.c (maybe_canonicalize_argtypes): Improve description.
80 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
82 * tree.c (maybe_canonicalize_argtypes): New.
83 (build_function_type): Set canonical type.
84 (build_method_type_directly): Ditto.
85 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
88 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
90 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
92 (rewrite_use_nonlinear_expr): Likewise.
94 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
96 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
98 2007-07-04 Ben Elliston <bje@au.ibm.com>
100 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
103 * c-objc-common.c (c_types_compatible_p): Fix indentation.
105 * doc/tm.texi (Run-time Target): Capitalise "CPU".
106 (Exception Handling): Likewise.
108 2007-07-03 Jan Hubicka <jh@suse.cz>
110 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
112 2007-07-03 Eric Christopher <echristo@apple.com>
114 * doc/cppopts.texi: Add conflicting option note to -dM.
115 * doc/invoke.texi: Add note about possible conflicts with
116 -E for -dCHARS and note that -dM will not produce
117 any results if there is no machine dependent reorg.
119 2007-07-03 Geoffrey Keating <geoffk@apple.com>
121 * tree.h (DECL_ALIGN): Back out previous change.
123 2007-07-03 Joseph Myers <joseph@codesourcery.com>
125 * configure.ac: Test for .dtprelword support on MIPS.
126 * configure, config.in: Regenerate.
127 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
128 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
130 2007-07-03 Julian Brown <julian@codesourcery.com>
132 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
133 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
134 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
135 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
137 (all_fpus): Add FPUTYPE_VFP3.
138 (fp_model_for_fpu): Add VFPv3 field.
139 (arm_rtx_costs_1): Give cost to VFPv3 constants.
140 (vfp3_const_double_index): New function. Return integer index of
141 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
143 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
144 and argument represents a valid RTX for a VFPv3 constant.
145 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
147 (vfp_emit_fstmd): Similar, for fstmd.
148 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
149 constants, represented as integer indices.
150 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
151 VFP_REGNO_OK_FOR_DOUBLE macros.
152 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
153 (arm_file_start): Set float-abi attribute for VFPv3, and output
154 correct ".fpu" assembler directive.
155 (arm_dbx_register_numbering): Add FIXME.
156 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
157 (fputype): Add FPUTYPE_VFP3.
158 (FIXED_REGISTERS): Add 32 registers for D16-D31.
159 (CALL_USED_REGISTERS): Likewise.
160 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
161 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
162 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
163 (D7_VFP_REGNUM): New.
164 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
165 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
166 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
167 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
168 (REG_ALLOC_ORDER): Adjust for VFPv3.
169 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
170 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
171 VFP_LO_REGS, VFP_HI_REGS.
172 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
173 (IS_VFP_CLASS): Define macro.
174 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
176 (REGISTER_MOVE_COST): Likewise.
177 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
178 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
179 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
180 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
181 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
182 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
183 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
184 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
185 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
186 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
187 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
188 where appropriate for single-word registers.
189 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
190 As above. Fix type attributes.
191 * config/arm/constraints.md (register_contraint "t"): Define.
192 (register_constraint "w"): Change to D0-D15, or D0-D31 for
194 (register_constraint "x"): Define.
195 (constraint "Dv"): Define.
197 2007-07-03 Geoffrey Keating <geoffk@apple.com>
199 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
201 2007-07-03 Tom Tromey <tromey@redhat.com>
203 * c-parser.c (objc_pq_context): Removed.
204 (objc_need_raw_identifier): Likewise.
205 (c_parser) <objc_pq_context>: New field.
206 <objc_need_raw_identifier>: Likewise.
207 (OBJC_NEED_RAW_IDENTIFIER): Removed.
208 (c_lex_one_token): Update.
209 (c_parser_objc_protocol_definition): Update.
210 (c_parser_objc_method_definition): Update.
211 (c_parser_objc_methodproto): Update.
212 (c_parser_declspecs): Update.
214 2007-07-03 David Ung <davidu@mips.com>
216 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
218 2007-07-03 David Ung <davidu@mips.com>
219 Richard Sandiford <richard@codesourcery.com>
221 * doc/invoke.texi: Document -march=74kf3_2.
222 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
223 (TUNE_74K): Check for it.
224 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
225 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
226 * config/mips/mips.md (cpu): Add 74kf3_2.
227 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
228 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
229 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
230 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
231 74kf3_2 to the CPU list.
232 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
233 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
234 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
235 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
236 (r74kf3_2_fxfer_from_c1): New insn reservations.
238 2007-07-03 Richard Sandiford <richard@codesourcery.com>
239 David Ung <davidu@mips.com>
241 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
242 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
243 and 74k[fx]. Document aliases for the new options.
244 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
245 (PROCESSOR_24KF2_1): ...this.
246 (PROCESSOR_24KX): Rename to...
247 (PROCESSOR_24KF1_1): ...this.
248 (PROCESSOR_74KF): Rename to...
249 (PROCESSOR_74KF2_1): ...this.
250 (PROCESSOR_74KX): Rename to...
251 (PROCESSOR_74KF1_1): ...this.
252 (TUNE_74K): Update PROCESSOR_* names.
253 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
254 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
255 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
256 (mips_rtx_cost_data): Update processor names in comments.
257 (mips_issue_rate): Update PROCESSOR_* names.
258 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
259 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
260 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
261 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
262 Update cpu attribute names.
263 (r24k_fpu_iss): Rename this reservation to...
264 (r24kf2_1_fpu_iss): ...this and update all uses.
265 (r24kx_fpu_iss): Rename this reservation to...
266 (r24kf1_1_fpu_iss): ...this and update all uses.
267 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
268 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
269 Update cpu attribute names.
271 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
273 * config/m32r/constraints.md: New file.
274 * config/m32r/m32r.c: Include tm-constrs.h.
275 (small_data_operand): Use satisfies_constraint_* instead of macro.
276 (addr24_operand, gen_compare): Likewise.
277 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
278 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
279 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
280 EXTRA_CONSTRAINT): Likewise.
281 * config/m32r/m32r.md: Include constraints.md.
282 (*movsi_insn): Use satisfies_constraint_* instead of macro.
283 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
284 * config/m32r/predicates.md (conditional_move_operand): Likewise.
285 (two_insn_const_operand, int8_operand, uint16_operand,
286 reg_or_int16_operand, reg_or_uint16_operand,
287 reg_or_cmp_int16_operand, cmp_int16_operand,
288 seth_add3_operand): Likewise.
290 2007-07-03 Eric Christopher <echristo@gmail.com>
292 * libgcc2.h: Conditionally declare __bswapsi2 and
295 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
297 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
300 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
303 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
304 (__gthrw_pragma): Provide default definition.
306 * gthr-posix.c (__gthrw_pragma): Define.
308 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
310 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
311 before declaring inequality.
313 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
315 * combine.c (recog_for_combine): Log the success or failure of
316 matching new insn patterns against the machine description in
319 2007-07-03 Revital Eres <eres@il.ibm.com>
321 * ddg.c (print_sccs): New function.
322 (check_sccs): New function.
323 (create_ddg_all_sccs): Use it.
324 * ddg.h (print_sccs): Declare.
325 * modulo-sched.c (sms_order_nodes): Call print_sccs.
327 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
329 * targhooks.h (default_mode_for_suffix): New function declaration.
330 * targhooks.c (default_mode_for_suffix): New default target hook.
331 * target.h (struct c): New structure in the targetm struct.
332 (mode_for_suffix): New target hook as part of struct c.
333 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
334 default_mode_for_suffix.
335 (TARGET_C): New define.
336 * c-lex.c: Include "target.h".
337 (interpret_float): Use targetm.c.mode_for_suffix to determine
338 the mode for a given non-standard suffix.
339 Makefile.in (c-lex.o): Depend on $(TARGET_H).
341 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
342 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
344 * doc/extend.texi (Floating Types): New node. Document __float80 and
345 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
347 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
350 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
351 predicate instead of target_operand.
352 (divsi3_i1_media, divsi3_media_2): Likewise.
354 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
356 * tree.h (alias_sets_might_conflict_p): Rename into
357 alias_sets_must_conflict_p.
358 * alias.c (alias_sets_might_conflict_p): Likewise.
359 (alias_sets_conflict_p): Use it.
360 (objects_must_conflict_p): Likewise.
361 * c-common.c (strict_aliasing_warning): Adjust.
363 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
365 * rtlhooks.c (gen_lowpart_if_possible): Check for
366 invalid subreg before calling gen_lowpart_SUBREG.
368 2007-07-02 Geoffrey Keating <geoffk@apple.com>
370 * config/darwin9.h: Add copyright notice.
371 (LINK_COMMAND_SPEC): Add comment.
372 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
373 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
374 DARWIN_LIBSYSTEM_HAS_UNWIND.
376 2007-07-02 Jakub Jelinek <jakub@redhat.com>
379 * omp-low.c (check_combined_parallel): New function.
380 (lower_omp_parallel): Call it via walk_stmts, set
381 OMP_PARALLEL_COMBINED if appropriate.
382 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
383 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
384 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
385 don't consider it as combined parallel.
387 2007-07-02 Richard Sandiford <richard@codesourcery.com>
389 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
390 (gcc_tooldir): Likewise.
391 * configure: Regenerate.
392 * Makefile.in (libsubdir_to_prefix): New variable, based on the
393 old configure.ac gcc_tooldir setting.
394 (prefix_to_exec_prefix): New variable.
395 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
396 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
398 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
400 Fix PR tree-optimization/32583
401 Fix PR tree-optimization/32584
402 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
403 (phi_translate_set): Use phi_translate directly now.
404 (make_values_for_stmt): Don't value number RHS if we already know
407 2007-07-02 Steve Ellcey <sje@cup.hp.com>
408 Jim Wilson <wilson@specifix.com>
411 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
414 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
415 Richard Sandiford <richard@codesourcery.com>
416 Nigel Stephens <nigel@mips.com>
418 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
419 (mips16e_output_save_restore): Declare.
420 (mips16e_save_restore_pattern_p): Likewise.
421 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
422 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
423 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
424 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
425 (BITSET_P): New global macro, extracted from...
426 (mips_for_each_saved_reg): ...here.
427 (mips16e_save_restore_info): New struct.
428 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
429 (mips16e_save_restore_regs): New variable.
430 (mips_split_plus, mips16e_find_first_register): New functions.
431 (mips16e_mask_registers): New function.
432 (compute_frame_size): Expand the commentary before the function.
433 Enforce the MIPS16e save and restore register range restrictions.
434 Pad the general register save area at the low end.
435 (mips16e_save_restore_reg, mips16e_build_save_restore)
436 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
437 (mips16e_output_save_restore, mips16e_collect_propagate_value)
438 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
440 (mips_expand_prologue, mips_expand_epilogue): Handle
441 GENERATE_MIPS16E_SAVE_RESTORE.
442 * config/mips/mips.md (*mips16e_save_restore): New pattern.
444 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
446 PR tree-optimization/31966
447 PR tree-optimization/32533
448 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
449 "basic_block" description as its third argument. Update function
450 calls to get destination bb from "edge" argument. Save "cond" into
451 aux field of the edge. Update prototype for changed arguments.
452 (if_convertible_loop_p): Clear aux field of incoming edges if bb
454 (find_phi_replacement_condition): Operate on incoming edges, not
455 on predecessor blocks. If there is a condition saved in the
456 incoming edge aux field, AND it with incoming bb predicate.
457 Return source bb of the first edge.
458 (clean_predicate_lists): Clean aux field of outgoing node edges.
459 (tree_if_conversion): Do not initialize cond variable. Move
460 variable declaration into the loop.
461 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
462 initializations of new_stmt, arg0 and arg1 variables.
464 2007-07-02 Jakub Jelinek <jakub@redhat.com>
466 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
467 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
469 2007-07-02 Richard Guenther <rguenther@suse.de>
471 * tree-ssa.c (useless_type_conversion_p): Document
472 future intent as defining the middle-end type system.
473 Re-structure to call langhook last, group by type class,
474 mark questionable parts.
476 2007-07-02 Richard Guenther <rguenther@suse.de>
478 * tree-flow.h (types_compatible_p): Declare.
479 * tree-ssa.c (types_compatible_p): New function.
480 * ipa-type-escape.c (discover_unique_type): Use
481 types_compatible_p instead of lang_hooks.types_compatible_p.
482 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
483 * tree-vn.c (expressions_equal_p): Likewise.
484 * tree.c (fields_compatible_p): Likewise.
485 * tree-ssa-dom.c (avail_expr_eq): Likewise.
486 (cprop_operand): Use useless_type_conversion_p instead of
487 lang_hooks.types_compatible_p.
488 * tree-inline.c (setup_one_parameter): Likewise.
489 (declare_return_variable): Likewise.
490 * tree-nrv.c (tree_nrv): Likewise.
491 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
492 (maybe_fold_offset_to_component_ref): Likewise.
493 (maybe_fold_offset_to_reference): Likewise.
494 * tree-ssa-copy.c (may_propagate_copy): Likewise.
495 (merge_alias_info): Likewise.
496 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
497 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
498 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
499 * tree-tailcall.c (find_tail_calls): Likewise.
500 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
501 * gimplify.c (canonicalize_addr_expr): Likewise.
502 (fold_indirect_ref_rhs): Likewise.
503 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
504 (cpt_same_type): Likewise.
505 (check_pointer_types_r): Swap parameters to cpt_same_type
507 * fold-const.c (fold_convert): Revert fix for PR15988.
508 * tree-inline.c (setup_one_parameter): Instead fix it here by
509 using fold_build1 instead of fold_convert and checking for
510 error_mark_node. Convert only if the conversion is necessary.
512 2007-07-02 Joseph Myers <joseph@codesourcery.com>
514 * configure.ac: Check for .gnu_attribute on Power.
515 * configure: Regenerate.
516 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
517 attribute for floating-point ABI.
519 2007-07-02 Ira Rosen <irar@il.ibm.com>
521 PR tree-optimization/32230
522 PR tree-optimization/32477
523 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
524 address is a constant.
526 2007-07-02 Richard Sandiford <richard@codesourcery.com>
528 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
529 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
530 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
531 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
532 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
533 64-bit targets. Add support for *-elfoabi*.
534 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
535 different settings if $(tm_defines) does not select the EABI.
536 (MULTILIB_EXCLUSIONS): Define in those circumstances.
537 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
538 (MIPS_ARCH_OPTION_SPEC): Likewise.
539 (MIPS_ISA_LEVEL_SPEC): Likewise.
540 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
541 * config/mips/elfoabi.h: New file.
543 2007-07-02 Richard Guenther <rguenther@suse.de>
545 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
546 (useless_type_conversion_p): ... this.
547 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
548 (useless_type_conversion_p): ... this.
549 * builtins.c (fold_builtin_memory_op): Rename
550 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
551 * tree-cfg.c (verify_expr): Likewise.
552 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
553 * tree-ssa-ccp.c (ccp_fold): Likewise.
554 * tree-ssa-copy.c (may_propagate_copy): Likewise.
555 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
556 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
557 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
558 * tree-ssa-pre.c (eliminate): Likewise.
559 * tree-ssa.c (delete_tree_ssa): Likewise.
560 (tree_ssa_useless_type_conversion): Likewise.
561 * tree.c (build2_stat): Likewise.
563 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
565 Fix PR tree-optimization/32571
566 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
569 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
571 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
572 and other expected operations explicitly, change default to
575 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
577 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
579 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
580 (tls_load_dot_plus_eight): Move the label number into the unspec.
581 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
583 2007-07-01 Andreas Schwab <schwab@suse.de>
585 * dwarf2out.c (initial_return_save): Define only if used.
587 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
589 Unreverting Richard's Revert of:
591 2007-06-27 Richard Sandiford <richard@codesourcery.com>
593 * dce.c (deletable_insn_p_1): New function, split out from...
594 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
595 specially, not those inside PARALLELs. Remove BODY argument
596 and adjust recursive call accordingly.
597 (prescan_insns_for_dce): Update call to delete_insn_p.
599 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
600 Revital Eres <eres@il.ibm.com>
602 * ddg.c (create_ddg_all_sccs): Fix missed
603 initialization of scc_nodes.
605 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
608 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
609 X + ~X to 1 only for INTEGRAL_TYPE_P type.
611 2007-06-30 Joseph Myers <joseph@codesourcery.com>
613 * configure.ac: Check for .gnu_attribute on MIPS.
614 * configure, config.in: Regenerate.
615 * config/mips/mips.c (mips_file_start): If supported, output
616 attribute for floating-point ABI.
618 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
621 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
622 (ffs_cmove): New expander to expand using ctz pattern.
623 (*ffs_cmove): Remove pattern.
624 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
625 (ffsdi2): Expand using ctz pattern.
626 (*ffs_rex64): Remove pattern.
628 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
630 PR rtl-optimization/32296
631 * pa.md (return): Delete pattern.
632 (return_internal): Remove "(const_int 1)" from pattern.
633 (epilogue): Use return_internal pattern for trivial returns.
634 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
635 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
637 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
639 * tree-ssa-pre.c (is_exception_related): New function
640 (can_value_number_operation): Use it.
642 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
644 Fix PR tree-optimization/32540
645 Fix PR tree-optimization/31651
647 * tree-ssa-sccvn.c: New file.
649 * tree-ssa-sccvn.h: Ditto.
651 * tree-vn.c: Include tree-ssa-sccvn.h
652 (val_expr_paid_d): Removed.
653 (value_table): Ditto.
655 (val_expr_pair_hash): Ditto.
656 (val_expr_pair_expr_eq): Ditto.
657 (copy_vuses_from_stmt): Ditto.
660 (shared_vuses_from_stmt): Ditto.
661 (print_creation_to_file): Moved up.
663 (sort_vuses_heap): Ditto.
664 (set_value_handle): Make non-static.
665 (make_value_handle): Ditto.
666 (vn_add): Rewritten to use sccvn lookups.
667 (vn_add_with_vuses): Ditto.
668 (vn_lookup): Ditto (and second argument removed).
669 (vn_lookup_with_vuses): Ditto.
670 (vn_lookup_or_add): Ditto (and second argument removed);
671 (vn_lookup_or_add_with_vuses): Ditto.
672 (vn_lookup_with_stmt): New.
673 (vn_lookup_or_add_with_stmt): Ditto.
674 (create_value_handle_for_expr): Ditto.
676 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
677 (seen_during_translate): New function.
678 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
679 (phi_trans_add): Ditto.
680 (constant_expr_p): FIELD_DECL is always constant.
681 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
683 Avoid infinite recursion on mutually valued expressions.
684 Change callers of vn_lookup_or_add.
685 (phi_translate): New function.
686 (compute_antic_safe): Allow phi nodes.
687 (create_component_ref_by_pieces): Update for FIELD_DECL change.
688 (find_or_generate_expression): Rewrite slightly.
689 (create_expression_by_pieces): Updated for vn_lookup_or_add
691 Update VN_INFO for new names.
692 (insert_into_preds_of_block): Update for new names.
693 (add_to_exp_gen): New function.
694 (add_to_sets): Use vn_lookup_or_add_with_stmt.
695 (find_existing_value_expr): Rewrite to changed vn_lookup.
696 (create_value_expr_from): Ditto, and use add_to_exp_gen.
697 (try_look_through_load): Removed.
698 (try_combine_conversion): Ditto.
699 (get_sccvn_value): New function.
700 (make_values_for_phi): Ditto.
701 (make_values_for_stmt): Ditto.
702 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
704 (init_pre): Update for SCCVN changes.
706 (execute_pre): Ditto.
708 * tree-flow.h (make_value_handle): Declare.
709 (set_value_handle): Ditto.
710 (sort_vuses_heap): Ditto.
711 (vn_lookup_or_add_with_stmt): Ditto.
712 (vn_lookup_with_stmt): Ditto.
713 (vn_compute): Remove.
716 (vn_lookup): Update arguments.
718 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
720 (tree-ssa-sccvn.o): New.
721 (OBJS-common): Add tree-ssa-sccvn.o
723 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
726 * c-typeck.c (build_external_ref): Don't mark as used if called
728 * calls.c (rtx_for_function_call): Likewise.
730 2007-06-30 Richard Sandiford <richard@codesourcery.com>
734 2007-06-27 Richard Sandiford <richard@codesourcery.com>
736 * dce.c (deletable_insn_p_1): New function, split out from...
737 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
738 specially, not those inside PARALLELs. Remove BODY argument
739 and adjust recursive call accordingly.
740 (prescan_insns_for_dce): Update call to delete_insn_p.
742 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
744 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
745 (try_combine): Move potential calls to undo_all() so they happen
746 before we commit to using the combined insns.
748 2006-06-30 Jan Hubicka <jh@suse.cz>
750 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
753 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
755 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
756 (cgraph_remove_unreachable_nodes): Likewise.
757 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
758 * ipa-inline.c (update_caller_keys): Cast according to the coding
760 (cgraph_decide_recursive_inlining): Likewise.
761 (cgraph_decide_inlining_of_small_function): Likewise.
762 (try_inline): Likewise.
763 (cgraph_decide_inlining_incrementally): Likewise.
764 * ipa-pure-const.c (get_function_state): Likewise.
765 (scan_function): Likewise.
766 (analyze_function): Likewise.
767 (static_execute): Likewise.
768 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
769 (merge_callee_local_info): Likewise.
770 (analyze_function): Use type safe memory macros.
771 (static_execute): Likewise. Cast according to the coding conventions.
772 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
774 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
776 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
777 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
780 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
783 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
784 for complex modes (both int and real).
786 2007-06-29 Jan Hubicka <jh@suse.cz>
788 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
790 2007-06-29 Jan Hubicka <jh@suse.cz>
793 * cse.c (cse_insn): Avoid invalid sharing in between register note and
796 2007-06-29 Anatoly Sokolov <aesok@post.ru>
799 * config/avr/avr.c: Include dataflow header file.
800 (expand_prologue): Adjust for prologue insn change.
801 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
804 2007-06-29 Richard Guenther <rguenther@suse.de>
807 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
808 during type verification.
810 2007-06-29 Jan Hubicka <jh@suse.cz>
812 * recog.c (validate_change_rtx_1): Unshare TO argument.
814 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
816 PR tree-optimization/24659
817 * tree-vect-transform.c (vectorizable_call): Handle
818 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
820 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
821 * config/i386/i386.c (enum ix86_builtins)
822 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
823 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
825 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
826 const using def_builtin_const.
827 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
828 input operands in the same modes as the result.
829 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
831 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
833 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
834 (df_set_dead_notes_for_mw): Likewise.
836 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
838 * c-common.c (pointer_int_sum): Do the negation in sizetype.
840 2007-06-28 DJ Delorie <dj@redhat.com>
842 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
844 2007-06-28 Geoffrey Keating <geoffk@apple.com>
846 * doc/invoke.texi (C++ Dialect Options): Document
847 fvisibility-ms-compat.
848 * c.opt (fvisibility-ms-compat): New.
850 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
853 * tree-affine.c (aff_combination_add_elt): Handle
854 pointer addition specially.
856 2007-06-28 Jakub Jelinek <jakub@redhat.com>
858 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
859 decl is non-external for AIX ABI.
861 2007-06-28 David Edelsohn <edelsohn@gnu.org>
863 * config/rs6000/predicates.md (current_file_function_operand):
864 Ensure the symbol is non-external for AIX ABI.
866 2007-06-28 Nick Clifton <nickc@redhat.com>
868 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
869 (fdce, fdse, fpredictive-commoning): Likewise.
871 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
874 * gcc.c (process_command): Recognize the new -static-libgfortran
877 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
880 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
881 Use a call clobbered hard reg instead of a pseudo reg.
883 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
885 * config/sh/sh.md (load_gbr): Use correct operand constraint.
887 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
890 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
891 REG_LIBCALL and REG_RETVAL notes.
892 (divsi3, mulsi3): Likewise.
893 (mulhisi3): Likewise. Use emit_libcall_block.
894 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
896 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
898 PR rtl-optimization/32481
899 * combine.c (adjust_for_new_dest): Rescan the changed insn.
901 2007-06-27 Richard Sandiford <richard@codesourcery.com>
903 * dce.c (deletable_insn_p_1): New function, split out from...
904 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
905 specially, not those inside PARALLELs. Remove BODY argument
906 and adjust recursive call accordingly.
907 (prescan_insns_for_dce): Update call to delete_insn_p.
909 2007-06-27 Richard Guenther <rguenther@suse.de>
912 * tree.h (fold_convertible_p): Declare.
913 * fold-const.c (fold_convertible_p): New function.
914 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
915 instead of lang_hooks.types_compatible_p.
917 2007-06-26 Jan Hubicka <jh@suse.cz>
919 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
920 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
921 early use validate_unshare_change.
922 (reload_combine): Likewise.
923 * recog.c (change_t): New field unshare.
924 (validate_change_1): Rename from validate_change; add argument unshare.
925 (validate_change): Turn into wrapper of validate_change_1; update
927 (validate_unshare_change): New.
928 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
929 calls of df_insn_rescan.
930 * recog.h (validate_change): Replace ints by bools.
931 (validate_unshare_change): Declare.
933 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
935 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
937 2007-06-26 Steve Ellcey <sje@cup.hp.com>
939 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
941 2007-06-25 Jan Hubicka <jh@suse.cz>
943 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
945 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
946 cgraph_decide_inlining_incrementally): Move uninlinability checks to
947 places other call site specific checks are performed.
949 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
952 * tree-vect-transform.c (vectorizable_operation): Convert
953 POINTER_PLUS_EXPR over to PLUS_EXPR.
955 2007-06-25 Chao-ying Fu <fu@mips.com>
957 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
958 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
959 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
960 Document GET_MODE_IBIT, and GET_MODE_FBIT.
962 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
963 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
964 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
965 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
966 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
967 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
968 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
969 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
970 ALL_FIXED_POINT_MODE_P): New define.
971 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
973 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
975 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
976 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
977 MODE_VECTOR_UACCUM): New mode classes.
979 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
980 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
981 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
984 * genmodes.c (struct mode_data): Add ibit and fbit fields.
985 (blank_mode): Initialize ibit and fbit.
986 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
987 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
988 (new_adjust): Change required_class to required_class_from and
989 required_class_to for testing within a range.
990 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
991 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
993 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
994 (make_fixed_point_mode): New.
995 (_ADD_ADJUST): Change C to C1 and C2.
996 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
997 use a range for machine classes.
998 (ADJUST_IBIT, ADJUST_FBIT): New.
999 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
1001 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
1002 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1003 Emit adjustment for ibit and fbit.
1004 (emit_mode_ibit, emit_mode_fbit): New.
1005 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
1007 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
1009 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
1010 as the source of the set.
1012 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
1014 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
1015 FP_REGNO_P): Use IN_RANGE.
1016 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
1017 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
1018 (DATA_REG_P): Use DATA_REGNO_P.
1019 (FP_REG_P): Use FP_REGNO_P.
1020 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
1021 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
1022 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
1024 2007-06-24 Jan Hubicka <jh@suse.cz>
1027 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
1029 2007-06-24 Sebastian Pop <sebpop@gmail.com>
1032 * fold-const.c (fold_binary): Strip nops of operand 0
1033 of BIT_NOT_EXPR before calling operand_equal_p.
1034 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
1035 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
1037 2007-06-23 Mark Mitchell <mark@codesourcery.com>
1039 * doc/extend.texi: Document that dllimport and dllexport imply
1041 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
1042 imported or exported declaration, including type declarations.
1043 * c-common.c (handle_visibility_attribute): Check for conflicts
1044 with dllimport/dllexport.
1045 (c_determine_visibility): Handle dllimport/dllexport as an
1046 explicit visibility atttribute.
1048 2007-06-23 Richard Guenther <rguenther@suse.de>
1050 PR tree-optimization/16876
1052 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1054 * tree-inline.c (initialize_inlined_parameters): Do not call
1055 lang_hooks.tree_inlining.convert_parm_for_inlining.
1056 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1057 reason for mismatched types.
1058 * gimplify.c (gimplify_call_expr): Verify the call expression
1059 arguments match the called function type signature. Otherwise
1060 mark the call expression to be not considered for inlining
1061 using CALL_CANNOT_INLINE_P flag.
1062 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1063 edges call expression.
1064 (cgraph_decide_inlining_of_small_function): Likewise.
1065 (cgraph_decide_inlining): Likewise.
1066 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1068 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1069 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1070 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1072 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1073 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1075 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1076 convert_parm_for_inlining member.
1078 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1081 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1082 Remove optimization for GT.
1084 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1087 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1089 (prescan_insns_for_dce): Add extra parameter.
1091 2007-06-23 Jan Hubicka <jh@suse.cz>
1094 * gimplify.c (mark_addressable): New function.
1095 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1097 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1100 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1102 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1105 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1106 moves between MMX/SSE registers to at least 8 units to prevent
1107 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1109 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1111 * config/i386/i386.c (override_options): Correct x86_sahf
1114 2007-06-21 David Daney <ddaney@avtrex.com>
1117 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1118 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1119 (exception_receiver): Renamed to ...
1120 (nonlocal_goto_receiver): ... this.
1122 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1124 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1125 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1126 partial register accesses.
1128 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1130 * fold-const.c (debug_fold_checksum): Move it under
1131 ENABLE_FOLD_CHECKING.
1133 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1136 * tree.h (debug_fold_checksum): Declared.
1137 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1138 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1139 build_fold_addr_expr_with_type_1.
1140 (fold_addr_expr, debug_fold_checksum): New.
1141 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1142 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1145 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1147 PR tree-optimization/19590
1148 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1149 of scev is a constant.
1150 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1152 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1154 * df-problems.c (df_note_bb_compute): Made computation of live
1155 info consistent with df_lr.
1157 2007-06-21 Richard Guenther <rguenther@suse.de>
1159 PR tree-optimization/32453
1160 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1161 for pointer anti-range.
1163 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1165 * config/i386/i386.c (processor_target_table): Increase maximum
1166 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1169 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1170 byte alignment if > 8 byte alignment is preferred.
1171 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1173 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1175 PR tree-optimization/31866
1176 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1177 if ASM_EXPR's input is not a SSA_NAME.
1180 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1181 but decl is a global var, instead return decl.
1182 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1183 even for is_global_var decls, if they are private in some outer
1186 2007-06-21 Richard Guenther <rguenther@suse.de>
1188 PR tree-optimization/32451
1189 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1191 2007-06-21 Christian Bruel <christian.bruel@st.com>
1193 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1194 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1195 (push_regs): Changed saving order or banked registers.
1196 (sh_expand_epilogue): Likewise.
1197 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1198 (FIRST_BANKED_REG): Likewise.
1199 (LAST_BANKED_REG): Likewise.
1200 * config/sh/sh.md (banked) New attribute.
1201 (in_delay_slot): Check banked attribute.
1203 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1205 PR tree-optimization/32075
1206 * tree-data-ref.c (subscript_dependence_tester_1,
1207 analyze_miv_subscript, analyze_overlapping_iterations,
1208 add_distance_for_zero_overlaps, build_classic_dist_vector,
1209 subscript_dependence_tester_1, analyze_overlapping_iterations,
1210 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1211 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1212 to evolution_function_is_affine_multivariate_p.
1214 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1216 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1218 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1221 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1223 * config/m32c/prologue.md (epilogue_exitd_16): New.
1224 (epilogue_reit_16): New.
1225 (epilogue_exitd): Rename to epilogue_exitd_24.
1226 (epilogue_reit): Rename to epilogue_reit_24.
1228 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1229 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1231 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1233 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1234 if dbg_cnt (sched_insn) reaches the limit.
1235 (choose_ready): New parameter INSN_PTR and new return value.
1236 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1237 the new return value from choose_ready.
1238 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1239 (rest_of_handle_global_alloc): New global_alloc_at_func.
1241 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1243 PR tree-optimization/25737
1244 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1245 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1246 * tree-flow.h (struct fieldoff): Add new field alias_set.
1247 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1248 argument addressable_type. Set alias_set of fieldoff.
1249 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1250 (create_overlap_variables_for): Pass alias_set from fieldoff to
1252 * alias.c (get_alias_set): Use alias_set from SFT if set.
1254 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1256 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1257 of a variable as an unsigned HOST_WIDE_INT integer.
1259 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1261 PR rtl-optimization/32405
1262 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1264 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1266 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1269 * builtins.c: Include diagnostic.h.
1270 (expand_builtin_expect): Make gcc_assert more permissive.
1271 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1274 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1278 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1279 if ACCUMULATE_OUTGOING_ARGS.
1281 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1283 * config/m68hc11/m68hc11.c: Include dataflow header file.
1284 (m68hc11_reorg): Port to dataflow.
1286 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1288 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
1289 (struct df_problem.free_blocks_on_set_blocks): New field.
1290 (struct dataflow.optional_p): New field.
1291 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1292 (df_live_set_all_dirty): New function.
1293 * df-scan.c (df_scan_alloc): Initialize optional_p.
1294 (problem_SCAN): Initialize free_blocks_on_set_blocks.
1295 * df-core.c (df_set_blocks): Removed use of
1296 DF_FIRST_OPTIONAL_PROBLEM. Now uses
1297 df_problem.free_blocks_on_set_blocks to determine which blocks are
1299 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
1300 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
1301 uses dataflow.optional_p to determine if problem should be
1303 (rest_of_handle_df_initialize): Only start live problem if
1305 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1306 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
1307 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
1308 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
1309 problem_NOTE): Initialize free_blocks_on_set_blocks.
1310 (df_lr_bb_local_compute): Recompute luids if df_live problem is
1312 (df_live_set_all_dirty, df_note_alloc): New function.
1313 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
1315 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
1316 * postreload.c (reload_combine): Ditto.
1317 * cse.c (cse_extended_basic_block): Ditto.
1318 * regmove.c (mark_flags_life_zones): Ditto.
1319 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
1320 erase_matching_seqs): Ditto.
1321 * bt-load.c (compute_defs_uses_and_gen): Ditto.
1322 * integrate (allocate_initial_values): Ditto.
1323 * combine.c (reg_dead_at_p): Ditto.
1324 * resource.c (mark_target_live_regs): Ditto.
1325 * sched-rgn.c (check_live_1, update_live_1): Ditto.
1326 * config/sh/sh.c (find_r0_life_regions): Ditto.
1327 * global.c (rest_of_handle_global_alloc): Only add back df_live
1329 * local-alloc.c (rest_of_handle_local_alloc): Only remove
1331 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
1333 (if_convert): Make sure df_live is there at -O == 1.
1334 (pass_if_after_combine): Cleanup flags.
1335 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
1336 is there at -O == 1.
1338 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
1340 * config/arm/arm.c (arm_get_frame_offsets): Set
1341 offsets->locals_base to avoid negative stack size.
1342 (thumb1_expand_prologue): Assert on negative stack size.
1344 2007-04-19 Sebastian Pop <sebpop@gmail.com>
1346 PR tree-optimization/32367
1347 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
1348 of the chrec has no evolution in that loop.
1349 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
1351 2007-06-19 Bob Wilson <bob.wilson@acm.org>
1353 * config/xtensa/xtensa.c: Include "df.h".
1354 (xtensa_builtin_saveregs): Use adjust_address instead of change_address.
1355 (xtensa_va_start): Invoke make_tree with sizetype for
1356 expand_builtin_saveregs and then convert the result to a pointer.
1357 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
1358 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
1359 Subtract argument size from index value as integers and then use
1360 POINTER_PLUS_EXPR to add the result to the array address.
1362 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1365 * config/m32c/m32c.c: Include dataflow header file.
1366 (m32c_emit_prologue): Adjust for prologue insn change.
1367 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
1368 once inside a PARALLEL. Assume frame size passed in operand 0
1369 includes space to save the fb register.
1370 (prologue_enter_24): Likewise.
1371 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
1373 2007-06-19 David Daney <ddaney@avtrex.com
1376 * config/mips/mips.md (cprestore): Mark $gp as used.
1378 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1381 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
1382 (frv_ifcvt_modify_insn): Likewise.
1384 2007-06-19 Richard Guenther <rguenther@suse.de>
1386 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
1387 only handle positive offsets that fit in a HOST_WIDE_INT.
1389 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
1391 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
1392 result of rsqrt insn for zero input argument to avoid NaN.
1394 2007-06-19 Richard Guenther <rguenther@suse.de>
1397 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
1399 2007-06-19 Jakub Jelinek <jakub@redhat.com>
1401 PR tree-optimization/32353
1402 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
1404 2007-06-19 Nick Clifton <nickc@redhat.com>
1406 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
1408 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1411 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
1412 * config/i386/i386.c (assign_386_stack_local): Assert that
1413 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
1414 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
1415 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
1416 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
1418 2007-06-18 Steve Ellcey <sje@cup.hp.com>
1420 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
1422 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
1424 PR rtl-optimization/32321
1425 * gcse.c (replace_store_insn): Update the note before
1426 calling emit_insn_after.
1428 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1431 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
1433 * df-problems.c (df_note_bb_compute): Fix dumping info.
1435 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
1437 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
1438 insn with emit_jump_insn.
1440 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1442 PR tree-optimization/32383
1443 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
1444 * targhooks.h (default_builtin_reciprocal): Update prototype.
1445 * target.h (struct gcc_target): Update builtin_reciprocal.
1446 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
1447 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
1448 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
1449 when fndecl is in BUILT_IN_MD class.
1450 (execute_convert_to_rsqrt): Ditto.
1452 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
1453 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
1454 Convert BUILT_IN_SQRTF code only when md_fn is false.
1456 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
1458 * bt-load.c (move_btr_def): Fix the order of arguments
1459 to validate_replace_rtx.
1461 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
1463 * config/m68k/m68k-devices.def: Add 54450..54455.
1465 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
1467 PR rtl-optimization/32366
1468 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
1469 FLOAT_EXTEND]: Prevent non-scalar modes from entering
1472 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
1475 * modulo-sched (generate_reg_moves): Added rescan parameter and if
1476 this is true, rescan insn being modified.
1477 (sms_schedule): Added rescan parameter.
1478 (rest_of_handle_sms): Moved freeing of dominance info to before
1479 getting out of cfg_layout.
1481 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
1483 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
1484 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
1487 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
1488 FL_CF_EMAC from the entry for isac.
1490 * config/m68k/predicates.md (const_call_operand): Adjust comment.
1491 (const_sibcall_operand): New.
1492 (sibcall_operand): Use it.
1493 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
1494 (m68k_isas): ISAC does not imply FPU or EMAC.
1495 (override_options): Add ISA_C logic for symbolic jump & call.
1497 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1499 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
1500 return mode from the builtin itself.
1501 (sparc_fold_builtin): Fix cast of zero constant.
1503 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1505 * targhooks.c (default_builtin_reciprocal): New default target hook.
1506 * targhooks.h (default_builtin_reciprocal): Add prototype.
1507 * hooks.c (hook_tree_tree_bool_null): Remove hook.
1508 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
1509 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
1510 default_builtin_reciprocal.
1512 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1515 * hooks.c (hook_tree_tree_bool_null): New hook.
1516 * hooks.h (hook_tree_tree_bool_null): Add prototype.
1517 * tree-pass.h (pass_convert_to_rsqrt): Declare.
1518 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
1519 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
1520 and convert it to reciprocal a*rfunc(b).
1521 (execute_convert_to_rsqrt): New function.
1522 (gate_convert_to_rsqrt): New function.
1523 (pass_convert_to_rsqrt): New pass definition.
1524 * target.h (struct gcc_target): Add builtin_reciprocal.
1525 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
1526 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
1527 TARGET_BUILTIN_RECIPROCAL.
1528 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
1530 * config/i386/i386.h (TARGET_RECIP): New define.
1531 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
1532 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1533 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1534 and not optimizing for size.
1535 (*rcpsf2_sse): New insn pattern.
1536 (*rsqrtsf2_sse): Ditto.
1537 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
1538 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1539 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1540 and not optimizing for size.
1541 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
1542 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1543 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1544 and not optimizing for size.
1545 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
1546 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1547 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1548 and not optimizing for size.
1549 (*sse_rsqrtv4sf2): Do not export.
1551 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
1552 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1553 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1554 and not optimizing for size.
1556 * config/i386/i386.opt (mrecip): New option.
1557 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
1558 (ix86_emit_swsqrtsf): Ditto.
1559 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
1560 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
1562 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
1563 ix86_expand_unop1_builtin.
1564 (ix86_emit_swdivsf): New function.
1565 (ix86_emit_swsqrtsf): Ditto.
1566 (ix86_builtin_reciprocal): New function.
1567 (TARGET_BUILTIN_RECIPROCAL): Use it.
1568 (ix86_vectorize_builtin_conversion): Rename from
1569 ix86_builtin_conversion.
1570 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
1571 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
1572 "i386 and x86_64 Options" section.
1573 (Intel 386 and AMD x86_64 Options): Document -mrecip.
1575 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1576 Zdenek Dvorak <dvorakz@suse.cz>
1577 Richard Guenther <rguenther@suse.de>
1578 Kaz Kojima <kkojima@gcc.gnu.org>
1580 * tree-vrp.c (compare_values_warnv): Convert val2 to
1582 (extract_range_from_assert): Create
1583 POINTER_PLUS_EXPR for pointer types.
1584 (extract_range_from_binary_expr): Handle
1585 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
1587 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
1588 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
1589 POINTER_PLUS_EXPR as PLUS_EXPR.
1590 (number_of_iterations_lt_to_ne):
1591 For pointer types, use sizetype when
1592 creating MINUS_EXPR/PLUS_EXPRs.
1593 (assert_loop_rolls_lt): For pointer types, use sizetype when
1594 creating MINUS_EXPR/PLUS_EXPRs.
1595 (number_of_iterations_le): Likewise.
1596 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
1597 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
1598 like PLUS_EXPR and MINUS_EXPR.
1599 * tree-pretty-print.c (dump_generic_node): Handle
1601 (op_prio): Likewise.
1602 (op_symbol_1): Likewise.
1603 * optabs.c (optab_for_tree_code): Likewise.
1604 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
1606 * tree-tailcall.c (process_assignment): Mention
1607 POINTER_PLUS_EXPR in a TODO comment.
1608 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
1609 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
1610 not used with a pointer and an integer type.
1611 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
1612 increment using chrec_convert_rhs instead of chrec_convert.
1613 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
1614 PLUS_EXPR except for the right hand side's type will be
1616 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
1617 (fold_used_pointer_cast): Kill.
1618 (pointer_offset_p): Kill.
1619 (fold_used_pointer): Kill.
1620 (pointer_used_p): Kill.
1621 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
1622 call fold_used_pointer.
1623 (instantiate_parameters_1): Convert the increment
1624 using chrec_convert_rhs instead of chrec_convert.
1625 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
1626 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
1627 instead of PLUS_EXPR.
1628 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
1629 PLUS_EXPR for pointers.
1630 (std_gimplify_va_arg_expr): Likewise.
1631 (fold_builtin_memory_op): Likewise.
1632 (fold_builtin_strstr): Likewise.
1633 (fold_builtin_strchr): Likewise.
1634 (fold_builtin_strrchr): Likewise.
1635 (fold_builtin_strpbrk): Likewise.
1636 (expand_builtin_memory_chk): Likewise.
1637 (fold_builtin_memory_chk): Likewise.
1638 (std_expand_builtin_va_start): Use
1639 sizetype for the call to make_tree and then convert
1640 to the pointer type.
1641 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
1642 instead of PLUS_EXPR for adding to a pointer.
1643 (std_gimplify_va_arg_expr): Use fold_build2 for
1644 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
1645 the operands to sizetype first and then cast the BIT_AND_EXPR
1646 back to the pointer type.
1647 * fold-const.c (build_range_check): Handle pointer types
1649 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
1650 of PLUS_EXPR's. Make sure the offset is converted to
1652 (try_move_mult_to_index): Strip the NOPs from the offset.
1653 Remove code argument and replace all uses with PLUS_EXPR.
1654 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
1655 specially. Don't use a pointer type for MINUS_EXPR.
1656 (fold_unary): Handle for (T1)(X op Y),
1657 only p+ as that is the only as that can be handled for
1658 binary operators now.
1659 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
1661 <case PLUS_EXPR>: Add folding of PTR+INT into
1663 Don't call try_move_mult_to_index.
1664 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
1665 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
1666 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
1667 Don't call try_move_mult_to_index.
1668 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
1669 (tree_expr_nonzero_p): Likewise.
1670 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
1671 of PLUS_EXPR for the complex expression folding.
1672 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
1673 first chrec is a pointer type, then the second should
1674 be sizetype and not the first's type.
1675 For POINTER_PLUS_EXPR, use a different right hand side type.
1676 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1677 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
1678 different right hand side type.
1679 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1680 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
1681 instead of PLUS_EXPR.
1682 When either operand is zero, convert the other operand.
1683 (chrec_apply): Use chrec_convert_rhs
1684 on the argument x instead of chrec_convert.
1685 (reset_evolution_in_loop): For pointer types, the new_evol
1687 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
1688 different right hand side type.
1689 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1690 (chrec_convert_rhs): New function.
1691 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
1692 different right hand side type.
1693 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1694 * tree-chrec.h (chrec_convert_rhs): New prototype.
1695 (build_polynomial_chrec): For pointer types, the right hand
1696 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
1697 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
1698 Remove subtraction case as it is always addition now.
1699 Make sure the offset is converted to sizetype.
1700 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
1701 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
1702 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
1703 PLUS_EXPR in pointer type.
1704 Handle POINTER_PLUS_EXPR.
1705 (tree_to_aff_combination): Likewise.
1706 (force_expr_to_var_cost): Likewise.
1707 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
1708 instead of PLUS_EXPR for pointers.
1709 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
1710 instead of PLUS_EXPR of pointer types.
1711 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
1713 (check_va_list_escapes): Likewise.
1714 (check_all_va_list_escapes): Likewise.
1715 * dwarf2out.c (loc_descriptor_from_tree_1):
1716 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
1717 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
1718 (string_constant): Likewise.
1719 * tree-ssa-address.c (tree_mem_ref_addr): When adding
1720 the offset to the base, use POINTER_PLUS_EXPR.
1721 (add_to_parts): Convert the index to sizetype.
1722 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
1723 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
1724 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
1725 Offset only holds something for PLUS_EXPR.
1726 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
1728 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
1730 (analyze_accesses_for_modify_stmt): Likewise.
1731 Remove comment about the type being integral type as it is
1733 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
1735 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
1737 Correct the type which the artimentic is done in (is now
1740 * tree-data-ref.c (split_constant_offset): Handle
1742 * tree-affine.c (tree_to_aff_combination): Likewise.
1743 * c-typeck.c (build_unary_op): For pointers create the increment
1744 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
1746 * gimplify.c (gimplify_self_mod_expr): Create a
1747 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1748 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
1749 * tree.def (POINTER_PLUS_EXPR): New tree code.
1750 * tree-predcom.c (ref_at_iteration): If we have a pointer
1751 type do the multiplication in sizetype.
1752 * tree-mudflap.c (mf_xform_derefs_1): Create a
1753 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1754 * tree-ssa-forwprop.c
1755 (forward_propagate_addr_into_variable_array_index):
1756 Don't expect there to be a cast for the index as that
1757 does not exist anymore.
1758 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
1759 instead of PLUS_EXPR.
1760 Don't check for the first operand of the POINTER_PLUS_EXPR
1761 was the index as it cannot be.
1762 Call forward_propagate_addr_into_variable_array_index with
1763 the SSA_NAME instead of the statement.
1764 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
1765 (compare_constant): Likewise.
1766 (copy_constant): Likewise.
1767 (compute_reloc_for_constant): Likewise.
1768 (output_addressed_constants): Likewise.
1769 (initializer_constant_valid_p): Likewise.
1770 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
1771 Convert the MIN/MAX of the inner type to the outer
1772 type before comparing them.
1773 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
1774 POINTER_PLUS_EXPR instead of PLUS_EXPR.
1775 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
1776 of PLUS_EXPR for pointers.
1777 * tree-inline.c (estimate_num_insns_1): Handle
1779 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1780 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1781 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
1782 instead of PLUS_EXPR for the pointer increment statement.
1783 (vect_update_ivs_after_vectorizer): For pointer types, create
1784 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
1785 MULT_EXPR in sizetype.
1786 (vect_gen_niters_for_prolog_loop): Add a cast when creating
1788 * tree-object-size.c (plus_expr_object_size): Handle
1789 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
1790 code which is trying to figure out which side is a pointer and
1792 (check_for_plus_in_loops_1): Likewise.
1793 (check_for_plus_in_loops): Likewise.
1794 * c-common.c (pointer_int_sum): Create a
1795 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1796 * tree-ssa-structalias.c (handle_ptr_arith): Handle
1797 only POINTER_PLUS_EXPR. Removing all the extra
1798 code which is trying to figure out which side is a pointer and
1800 * tree-cfg.c (verify_expr): Add extra checking for pointers and
1801 PLUS_EXPR and MINUS_EXPR.
1802 Also add checking to make sure the operands of POINTER_PLUS_EXPR
1804 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
1805 with make_tree, instead of a pointer type.
1806 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
1807 for pointers instead of PLUS_EXPR.
1808 (s390_gimplify_va_arg): Likewise.
1809 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
1810 instead of PLUS_EXPR when doing addition on pointer
1811 types. Use sizetype for the second operand.
1812 (spu_gimplify_va_arg_expr): Likewise.
1813 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
1814 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
1815 a pointer. Don't create a BIT_AND_EXPR for pointer types.
1816 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
1817 for the pointer addition and also use size_int/sizetype
1819 (ix86_gimplify_va_arg): Likewise.
1820 Perform BIT_AND_EXPR on sizetype arguments.
1821 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
1822 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
1823 for the pointer additions and also use size_int for the offsets.
1824 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
1825 additions and also use size_int for the offsets. Perform
1826 BIT_AND_EXPR on sizetype arguments.
1827 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
1828 POINTER_PLUS_EXPR for pointers and create the
1829 BIT_AND_EXPR in sizetype.
1830 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
1831 instead of PLUS_EXPR for pointer addition.
1832 (rs6000_va_start): Likewise.
1833 Also use sizetype for the offset.
1834 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
1835 as PLUS_EXPR/MINUS_EXPR.
1836 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
1837 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
1838 Don't use BIT_AND_EXPR on a pointer type, convert the
1839 expression to sizetype first.
1840 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
1842 (mips_gimplify_va_arg_expr): Likewise.
1843 Don't create BIT_AND_EXPR in a pointer type.
1845 2007-06-15 Eric Christopher <echristo@apple.com>
1847 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
1848 (x86_64-*-darwin*): Ditto.
1849 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
1852 2007-06-15 Matthew Wilcox <matthew@wil.cx>
1854 * doc/extend.texi: Document behavior of __attribute__((aligned))
1857 2007-06-15 Mark Mitchell <mark@codesourcery.com>
1859 * rtlanal.c (note_stores): Improve documentation.
1861 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
1863 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
1864 LOCAL_LABEL_PREFIX): Delete.
1865 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
1866 (bfin_internal_label): Delete.
1868 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
1870 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
1871 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
1872 otherwise define to LIBGCC2_TF_CEXT.
1873 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
1874 (LIBGCC_TF_CEXT): Ditto.
1877 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
1879 PR rtl-optimization/32339
1880 * df-scan.c (df_uses_record): Don't modify flags but just add to
1881 it for df_ref_record.
1883 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
1885 * tree-mudflap.c: Fix whitespace issues.
1887 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
1889 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
1891 2007-06-14 Eric Christopher <echristo@apple.com>
1893 * config/i386/sse.md (movdi_to_sse): Rewrite body.
1894 (movv4sf): Use gcc_unreachable instead of abort.
1896 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1899 * config/i386/sfp-machine.h (CMPtype): New define.
1900 (mach stubs): Use CMPtype instead of int as a return type.
1902 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1904 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
1905 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
1906 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
1907 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
1908 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
1909 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
1910 config/soft-fp/soft-fp.h: Update from glibc CVS.
1912 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
1914 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
1916 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
1919 * config/v850/v850.c: Include dataflow header file.
1920 (substitute_ep_register): Fix typo.
1922 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1924 * configure.ac: Fix earlier checkin.
1925 * configure: Regenerated.
1927 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1929 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
1930 * aclocal.m4: Regenerate.
1931 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
1932 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
1933 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
1934 * configure: Regenerate.
1935 * Makefile.in (LOOSE_WARN): Subst loose_warn.
1937 * Makefile.in (quickstrap): Build libgcc too.
1939 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1941 * configure.ac: Add --enable-checking=df. Explicitly mention that
1942 the variables are initialized as for "release".
1943 * df-core.c: Use it.
1944 * configure: Regenerate.
1945 * config.in: Regenerate.
1947 2007-06-14 Bob Wilson <bob.wilson@acm.org>
1949 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
1950 validate_replace_rtx instead of replace_rtx.
1951 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
1953 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
1955 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
1956 (DWARF2_UNWIND_INFO): Override default if configured with
1958 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
1959 (ENDFILE_SPEC): Add crtend.o.
1960 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
1961 (ENDFILE_SPEC): Add crtend.o.
1962 (TARGET_USE_JCR_SECTION): Define.
1963 (MD_UNWIND_SUPPORT): Define for 32-bit target.
1965 * config/i386/cygming-crtbegin.c: New file.
1966 * config/i386/cygming-crtend.c: New file.
1968 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
1970 * config/i386/w32-unwind.h: New file.
1972 2007-06-13 Eric Christopher <echristo@apple.com>
1974 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
1975 the user set a value below STACK_BOUNDARY.
1977 2007-06-13 Thiemo Seufer <ths@networkno.de>
1979 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
1980 imply -lpthread for -pthread.
1982 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
1984 * basic-block.h: Remove the prototype for
1985 free_basic_block_vars.
1986 * cfglayout.h: Remove the prototype for
1987 insn_locators_initialize.
1988 * tree.h: Remove the prototype for emit_line_note.
1990 * tree-ssa-pre.c (mergephitemp): Remove.
1991 (init_pre): Don't use mergephitemp.
1993 2007-06-13 Eric Christopher <echristo@apple.com>
1995 * config/i386/i386.c (override_options): If we've specified
1996 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
1998 2007-06-13 Bob Wilson <bob.wilson@acm.org>
2000 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
2003 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2005 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
2006 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
2007 (eh_store_handler): New pattern.
2008 (eh_return): Emit it instead of a plain move.
2010 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
2012 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
2013 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
2014 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
2017 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2019 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
2020 (find_next_insn_start, find_load): New functions.
2021 (bfin_reorg): Use them to deal with the fact that parallel insns are
2022 no longer represented as a SEQUENCE.
2024 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2026 * config/sparc/sparc.c (sparc_override_options): Initialize
2029 2007-06-13 Dave Korn <dave.korn@artimi.com>
2031 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
2034 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2036 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
2037 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
2038 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
2039 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
2040 tree-vect-transform.c: Fix comment typos. Follow spelling
2043 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2045 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
2046 to the exit block use set.
2047 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
2048 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2049 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2051 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2053 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2054 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2055 to indicate an error.
2056 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters): New functions
2057 (dbg_cnt_process_opt): Print an error on a bad argument.
2058 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2059 * common.opt (-fdbg-cnt-list): New.
2060 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2062 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2064 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2065 flag on ref-all pointers.
2067 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2070 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2071 for the offset with the modifier as EXPAND_INITIALIZER
2072 if the modifier is EXPAND_INITIALIZER.
2073 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2074 a register if we had an overflow.
2076 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2078 * real.c (real_isfinite): New.
2079 (real_sqrt): Use it.
2080 * real.h (real_isfinite): New.
2081 * builtins.c: Use it.
2083 2007-06-12 Ian Lance Taylor <iant@google.com>
2084 Daniel Berlin <dberlin@dberlin.org>
2087 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2088 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2089 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2090 (DECL_NO_TBAA_P): Define.
2091 (struct tree_decl_common): Add no_tbaa_flag field.
2092 * tree-ssa-structalias.c (struct variable_info): Add
2093 no_tbaa_pruning field.
2094 (new_var_info): Initialize no_tbaa_pruning field.
2095 (unify_nodes): Copy no_tbaa_pruning field.
2096 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2097 (dump_solution_for_var): Print no_tbaa_pruning flag.
2098 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2100 (compute_tbaa_pruning): New static function.
2101 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2102 Call compute_tbaa_pruning.
2103 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2104 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2105 * gimple-low.c (lower_stmt): Likewise.
2106 * tree-gimple.c (is_gimple_stmt): Likewise.
2107 * tree-ssa-operands.c (get_expr_operands): Likewise.
2108 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2109 * tree-inline.c (estimate_num_insns_1): Likewise.
2110 (copy_result_decl_to_var): Likewise.
2111 * expr.c (expand_expr_real_1): Likewise.
2112 * tree-pretty-print.c (dump_generic_node): Likewise.
2113 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2114 * omp-low.c (omp_copy_decl_2): Likewise.
2115 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2116 * doc/c-tree.texi (Expression trees): Document
2117 CHANGE_DYNAMIC_TYPE_EXPR.
2119 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2121 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2122 with !HONOR_NANS and !HONOR_INFINITIES.
2123 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2125 2007-06-12 Tristan Gingold <gingold@adacore.com>
2127 * gcov.c: Comments updated.
2128 (source_info): Add file_time field.
2129 (source_index): New variable.
2130 (mutiple_files): New variable.
2131 (generate_results): New function extracted from process_file.
2132 (process_file): Save and restore chain of functions, generate
2133 results and free structures only if not merging results.
2134 (release_structures): File names are now freed in create_file_names
2135 (create_file_names): Free previous file names.
2136 (find_source): File date is now read here and modifications in
2137 source files is checked here.
2138 (read_graph_file): Only reverse order of functions for the current
2140 (make_gcov_file_name): Do not generate long names if input_name is
2142 (output_lines): If merging results do not display graph, data and
2144 Checking source file modification is done in find_source.
2146 * doc/gcov.texi: Append an s to sourcefile.
2148 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2150 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2151 (forced_nop): New pattern.
2152 * config/bfin/bfin.c: Include "df.h".
2153 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2154 (bfin_discover_loop): Use df_get_live_in instead of
2155 global_live_at_start.
2156 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2157 df_analyze when done.
2158 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2159 the insns. Use QImode for the final insn in a bundle. Call
2160 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2162 (reorder_var_tracking_notes): New function.
2163 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2164 update_life_info. Call df_analyze after scheduling and bundle
2165 generation. Call reorder_var_tracking_notes if generating these notes.
2166 Call df_finish_pass at the end.
2168 2007-06-12 Dirk Mueller <dmueller@suse.de>
2170 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2171 a comparison, not an assignment.
2173 2007-06-12 Olivier Hainque <hainque@adacore.com>
2175 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2176 Request walking the subtrees only, leaving the current is_lhs/val_only
2178 (convert_non_local_reference): Likewise.
2180 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2182 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2184 2007-06-12 Richard Guenther <rguenther@suse.de>
2186 PR tree-optimization/15353
2187 PR tree-optimization/31657
2188 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2189 * timevar.def: Add TV_TREE_IFCOMBINE.
2190 * tree-pass.h (pass_tree_ifcombine): Declare.
2191 * tree-ssa-ifcombine.c: New file.
2192 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2193 * tree-flow.h (blocks_in_phiopt_order): Declare.
2194 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2195 (tree-ssa-ifcombine.o): New dependencies.
2197 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2199 PR rtl-optimization/32293
2200 * combine.c (simplify_if_then_else): Truncate return from
2201 nonzero_bits() to correct mode.
2203 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2205 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2206 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2208 2007-06-11 Diego Novillo <dnovillo@google.com>
2210 * Makefile.in (reload1.o-warn): Remove.
2212 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2214 * combine.c (subst): Use reg_overlap_mentioned_p
2215 instead of comparing register numbers directly.
2217 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2219 * reload1.c (mark_home_live_1): Use the mode parameter.
2221 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2223 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2224 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2228 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2230 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2232 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2234 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2235 from integer registers.
2236 (FP mode splitters): Handle TFmode.
2238 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2240 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2241 for ref-all pointers that point-to anything.
2243 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2245 * config/arm/arm.c (arm_output_dwarf_dtprel,
2246 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2248 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2250 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2251 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2254 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2256 * gcc/tree.c (signed_or_unsigned_type_for): New.
2257 (unsigned_type_for): Use signed_or_unsigned_type_for.
2258 (signed_type_for): Use signed_or_unsigned_type_for.
2259 * gcc/tree.h (signed_or_unsigned_type_for): New.
2260 (get_signed_or_unsigned_type): Remove.
2261 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2262 lang_hooks.types.signed_type
2263 (size_diffop): Likewise.
2264 (all_ones_mask_p): Likewise.
2265 (build_range_check): Likewise.
2266 (fold_cond_expr_with_comparison): Likewise.
2267 (fold_cond_expr_with_comparison): Likewise.
2268 (unextend): Likewise.
2269 (extract_muldiv_1): Likewise.
2270 (fold_single_bit_test_into_sign_test): Likewise.
2271 (fold_binary): Likewise.
2272 (fold_ternary): Likewise.
2273 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2274 instead of get_signed_or_unsigned_type.
2275 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2276 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2277 * gcc/expr.c (signed_or_unsigned_type_for): Use
2278 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2279 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2280 (lhd_signed_or_unsigned_type): Remove.
2281 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
2282 signed_or_unsigned_type.
2283 (lhd_signed_or_unsigned_type): Remove.
2284 * gcc/expmed.c (make_tree): Use signed_type_for instead of
2285 lang_hooks.types.signed_type.
2286 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
2287 c_common_signed_type instead of lang_hooks.types.signed_type.
2288 (c_common_unsigned_type): New.
2289 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
2290 (shorten_compare): Use c_common_unsigned_type instead of
2291 c_common_signed_or_unsigned_type.
2292 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
2294 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
2295 lang_hooks.types.signed_type.
2296 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2297 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
2298 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
2299 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
2300 instead of unsigned_type_for.
2301 * gcc/c-decl.c (groakdeclarator): Likewise.
2302 * gcc/c-typeck.c (convert_for_assignment): Likewise.
2303 * gcc/c-common.h (c_common_unsigned_type): New.
2305 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2308 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
2309 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
2311 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2314 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
2315 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
2317 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
2318 Sebastian Pop <sebpop@gmail.com>
2320 * lambda-code.c (remove_iv): New.
2321 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
2323 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
2325 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
2326 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
2327 * tree-ssa-loop-prefetch.c: Include optabs.h.
2328 (FENCE_FOLLOWING_MOVNT): New macro.
2329 (struct mem_ref): Add independent_p and storent_p fields.
2330 (record_ref): Initalize the new fields.
2331 (gather_memory_references_ref): Return true if the reference
2333 (gather_memory_references): Check whether all memory accesses
2334 in loop were recorded.
2335 (should_issue_prefetch_p): Return false for nontemporal stores.
2336 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
2337 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
2338 (determine_loop_nest_reuse): Detect independent memory references.
2339 (loop_prefetch_arrays): Call mark_nontemporal_stores.
2340 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
2341 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
2342 * config/i386/i386.h (x86_mfence): Declare.
2343 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
2344 * config/i386/i386.c (x86_mfence): New variable.
2345 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
2347 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
2348 * optabs.c (init_optabs): Initialize storent_optab.
2349 * optabs.h (enum optab_index): Add OTI_storent.
2350 (storent_optab): Declare.
2351 * genopinit.c (optabs): Add initialization for storent_optab.
2352 * tree.h (MOVE_NONTEMPORAL): New macro.
2353 * expr.c (expand_assignment, store_expr, store_constructor_field,
2354 store_constructor, store_field, expand_expr_real_1): Propagate
2355 nontemporality of the expanded store.
2356 (emit_storent_insn): New function.
2357 * expr.h (expand_assignment, store_expr): Declaration changed.
2358 * function.c (assign_parm_setup_reg): Pass false as nontemporality
2359 to expand_assignment.
2360 * stmt.c (expand_asm_expr): Ditto.
2361 * calls.c (initialize_argument_information): Pass false as
2362 nontemporality to store_expr.
2363 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
2366 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2368 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
2370 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
2372 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2374 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
2375 and allow DECL_P here.
2377 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
2379 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
2380 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
2381 track of the size of the expression.
2382 * cfghooks.c (merge_blocks): Remove block from loops structure only
2383 after call of the merge_blocks hook.
2385 2007-06-09 Tom Tromey <tromey@redhat.com>
2387 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
2388 (deprecated_state): Removed.
2389 (start_decl): Update.
2390 (enum deprecated_states): Moved earlier.
2391 (groktypename): Update.
2392 (push_parm_decl): Likewise.
2393 (grokfield): Likewise.
2394 (start_function): Likewise.
2396 2007-06-09 Ian Lance Taylor <iant@google.com>
2398 PR tree-optimization/32169
2399 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
2400 CONVERT_EXPR, check whether min and max both converted to an
2401 overflow infinity representation.
2403 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
2405 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
2406 not inserted on the edge.
2408 2007-06-08 Bob Wilson <bob.wilson@acm.org>
2410 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
2411 instructions if they are supported.
2412 (__divsi3, __umodsi3, __modsi3): Likewise.
2413 (__ashldi3, __ashrdi3, __lshrdi3): New.
2414 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
2416 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
2417 Tony Linthicum <tony.linthicum@amd.com>
2419 * doc/extend.texi: Add fvect-cost-model flag.
2420 * common.opt (fvect-cost-model): New flag.
2421 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
2422 cost fields in stmt_vec_info struct for STMT.
2423 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
2424 fields in stmt_vec_info struct and access functions for the same.
2425 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
2426 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
2427 load, store and vector to scalar operation.
2428 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
2429 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
2430 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
2431 (TARG_VEC_STORE_COST): Define cost of vector store.
2432 (vect_estimate_min_profitable_iters): Define new function.
2433 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
2434 check to evaluate if loop iterations are less than minimum profitable
2435 iterations determined by cost model or minimum vect loop bound defined
2436 by user, whichever is more conservative.
2437 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
2438 run-time check to evaluate if loop iterations are less than minimum
2439 profitable iterations determined by cost model or minimum vect loop
2440 bound defined by user, whichever is more conservative.
2441 (vect_estimate_min_profitable_iterations): New function to estimate
2442 mimimimum iterartions required for vector version of loop to be
2443 profitable over scalar version.
2444 (vect_model_reduction_cost): New function.
2445 (vect_model_induction_cost): New function.
2446 (vect_model_simple_cost): New function.
2447 (vect_cost_strided_group_size): New function.
2448 (vect_model_store_cost): New function.
2449 (vect_model_load_cost): New function.
2450 (vectorizable_reduction): Call vect_model_reduction_cost during
2452 (vectorizable_induction): Call vect_model_induction_cost during
2454 (vectorizable_load): Call vect_model_load_cost during analysis phase.
2455 (vectorizable_store): Call vect_model_store_cost during analysis phase.
2456 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
2457 vectorizable_promotion, vectorizable_demotion): Call
2458 vect_model_simple_cost during analysis phase.
2460 2007-06-08 Simon Baldwin <simonb@google.com>
2462 * reg-stack.c (get_true_reg): Readability change. Moved default case
2463 label into direct switch statement scope.
2465 2007-06-08 Simon Baldwin <simonb@google.com>
2467 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
2468 in gcc_assert() with '==' comparison.
2470 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2472 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
2473 TARGET_ABM handling of x86_popcnt variable.
2475 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2477 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
2478 __builtin_copysignq and __builtin_infq built-in functions.
2480 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2482 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
2483 SSE4.2 section. Correct built-in function names in SSE4A section.
2485 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2487 PR tree-optimization/32243
2488 * tree-vect-transform.c (vectorizable_type_promotion): Move check
2489 for ncopies after ratio check between nunits_out and nunits_in.
2490 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
2492 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
2494 PR tree-optimization/32224
2495 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
2496 vectorization upon a non GIMPLE_MODIFY_STMT.
2498 2007-06-08 Christian Bruel <christian.bruel@st.com>
2501 * config/sh/sh.md (doloop_end): New pattern and splitter.
2502 * loop-iv.c (simple_rhs_p): Check for hardware registers.
2504 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
2507 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
2509 (verify_dominators): Do not change dominance tree.
2511 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
2513 * config/sh/constraints.md: New file.
2514 * config/sh/sh.c: Include tm-constrs.h.
2515 (reg_class_from_letter): Remove.
2516 (prepare_cbranch_operands): Use satisfies_constraint_*
2517 function instead of macro.
2518 (andcosts, broken_move, sh_secondary_reload): Likewise.
2519 * config/sh/predicates.md (trapping_target_operand): Likewise.
2520 (and_operand, arith_operand, arith_reg_or_0_operand,
2521 cmp_operand, logical_operand, target_operand,
2522 ua_address_operand, ua_offset, xor_operand): Likewise.
2523 * config/sh/sh.md: Include constraints.md.
2524 (*movsicc_t_false): Use satisfies_constraint_* function
2526 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
2527 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
2528 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
2529 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
2530 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
2531 (REG_CLASS_FROM_CONSTRAINT): Remove.
2532 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
2533 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
2534 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
2535 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
2536 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
2537 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
2538 function instead of macro.
2539 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2540 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
2541 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
2542 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
2543 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
2544 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
2545 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
2546 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
2547 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
2548 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
2549 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
2550 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
2551 EXTRA_CONSTRAINT_STR): Likewise.
2552 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
2554 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2556 * config/i386/darwin.h (STACK_BOUNDARY): Define.
2558 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
2561 * c-common.h (flag_cpp0x): Replaced by...
2562 (cxx_dialect): ... this new variable specifying the C++ dialect that
2564 * c-common.c (flag_cpp0x): Removed.
2565 (cxx_dialect): Defined.
2566 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
2568 * c-opts.c (c_common_post_options): Likewise.
2569 (set_std_cxx98): Set cxx_dialect to cxx98.
2570 (set_std_cxx0x): Set cxx_dialect to cxx0x.
2572 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2573 Hui-May Chang <hm.chang@apple.com>
2575 * doc/invoke.texi (Darwin Options): Update documentation for
2576 -mmacosx-version-min.
2577 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
2578 * config/darwin-driver.c: New file.
2579 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
2580 * config/t-darwin (darwin-driver.o): New rule.
2582 * config/darwin-c.c (version_as_macro): Ignore low digit.
2584 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
2586 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
2587 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
2588 (CSGNMODE): New mode macro.
2589 (CSGNVMODE): New mode attribute.
2590 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
2591 expander using CSGNMODE mode macro. Handle TFmode.
2592 (copysign<mode>3_const): Rename from copysignsf3_const and
2593 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
2595 (copysign<mode>3_var): Rename from copysignsf3_var and
2596 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
2598 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
2599 mode macro. Handle TFmode.
2600 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
2601 (iortf3, *iortf3): Ditto.
2602 (xortf3, *xortf3): Ditto.
2603 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
2604 TFmode and TImode masks.
2605 (ix86_expand_copysign): Expand TFmode copysign insn.
2606 (IX86_BUILTIN_INFQ): New.
2607 (IX86_BUILTIN_FABSQ): Ditto.
2608 (IX86_BUILTIN_COPYSIGNQ): Ditto.
2609 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
2610 [__builtin_fabsq]: Ditto.
2611 [__builtin_copysignq]: Ditto.
2612 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
2613 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
2614 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
2615 ix86_expand_binop_builtin().
2617 2007-06-07 Bob Wilson <bob.wilson@acm.org>
2619 * config/xtensa/lib1funcs.asm: Clean up whitespace.
2621 2007-06-07 Steve Ellcey <sje@cup.hp.com>
2624 * rtl.h (push_to_sequence2): New.
2625 * emit-rtl.c (push_to_sequence2): New.
2626 * function.c (assign_parm_data_all): Add new fields.
2627 (assign_parm_setup_block): Call push_to_sequence2 instead of
2629 (assign_parm_setup_reg): Ditto.
2630 (assign_parm_setup_stack): Ditto.
2631 (assign_parms_unsplit_complex): Ditto.
2632 (assign_parms): Change field name.
2634 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2636 PR tree-optimization/32220
2637 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
2638 phi node is reached before defining statement.
2640 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2643 * tree-vect-transform.c (vectorizable_call): Call update_stmt
2644 after changing the right hand side of the assignment.
2646 2007-06-06 Eric Christopher <echristo@apple.com>
2648 * config.gcc (i?86-*-darwin*): Remove arch parameter.
2649 (x86_64-*-darwin*): Ditto.
2650 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
2651 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
2653 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2655 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
2657 (add_key): Likewise.
2658 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
2659 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
2661 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory macros.
2662 (add_cost_one_coalesce): Likewise.
2663 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
2664 variable names. Rename orig to orig_name for consistency.
2665 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the coding
2667 (cprop_into_successor_phis): Avoid using C++ keywords as variable names.
2668 (record_equivalences_from_stmt): Likewise.
2669 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
2670 the coding conventions.
2671 (memory_ssa_name_same): Likewise.
2672 (dse_optimize_stmt): Likewise.
2673 (dse_record_phis): Likewise.
2674 (dse_finalize_block): Likewise.
2675 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
2676 keywords as variable names.
2677 (may_move_till): Cast according to the coding conventions.
2678 (force_move_till_expr): Avoid using C++ keywords as variable names.
2679 (force_move_till): Cast according to the coding conventions.
2680 (memref_hash): Likewise.
2681 (memref_eq): Likewise.
2682 (gather_mem_refs_stmt): Likewise.
2683 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid using C++
2684 keywords as variable names.
2685 (idx_find_step): Cast according to the coding conventions.
2686 (idx_record_use): Likewise.
2687 (find_depends): Likewise.
2688 (prepare_decl_rtl): Likewise.
2689 (mbc_entry_hash): Likewise.
2690 (mbc_entry_eq): Likewise.
2691 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
2692 (simplify_replace_tree): Avoid using C++ keywords as variable names.
2693 (idx_infer_loop_bounds): Cast according to the coding conventions.
2694 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
2695 * tree-ssa-math-opts.c (occ_new ): Likwise.
2696 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
2698 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as variable
2700 (add_use_op): Likewise.
2701 (add_vop): Likewise.
2702 (add_vuse_op): Likewise.
2703 (add_vdef_op): Likewise.
2704 (get_expr_operands): Likewise.
2705 (push_stmt_changes): Use type safe memory macros.
2706 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
2707 keywords as variable names.
2708 (conditional_replacement): Likewise.
2709 (minmax_replacement): Likewise.
2710 (abs_replacement): Likewise.
2711 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
2713 (insert_fake_stores): Avoid using C++ keywords as variable names.
2714 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
2716 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
2717 (heapvar_insert): Use type safe memory macros.
2718 (new_var_info): Cast according to the coding conventions.
2719 (new_constraint): Likewise.
2720 (remove_preds_and_fake_succs): Use type safe memory macros.
2721 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
2723 (thread_single_edge): Likewise.
2724 (thread_through_loop_header): Likewise.
2726 2007-06-06 Eric Christopher <echristo@apple.com>
2728 * config/i386/i386.c (override_options): Move handling
2729 of TARGET_SUBTARGET* earlier.
2731 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
2733 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
2736 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
2738 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
2739 emited outside of basic block.
2740 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
2742 * rtl.h (delete_insn_chain): Declaration changed.
2743 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
2745 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
2746 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
2747 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
2748 to delete_insn_chain.
2749 (rtl_verify_flow_info_1): Verify that the insns in header and footer
2750 do not have bb field set.
2751 (rtl_verify_flow_info): Verify that insns between basic blocks do not
2753 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
2754 * cfgcleanup.c (try_optimize_cfg): Ditto.
2756 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2758 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
2759 (lambda_body_vector_new): Use type safe memory macros.
2760 (lambda_linear_expression_new): Likewise.
2761 (lambda_loopnest_new): Likewise.
2762 (lambda_lattice_new): Likewise.
2763 (replace_uses_equiv_to_x_with_y): Cast according to the coding
2764 conventions. Use type safe memory macros.
2765 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
2766 (lambda_body_vector_s): Likewise.
2767 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
2768 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
2770 2007-06-06 Richard Guenther <rguenther@suse.de>
2772 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
2773 if we need to schedule cfg_cleanup.
2774 (tree_ssa_forward_propagate_single_use_vars): Do so.
2776 2007-06-06 Ian Lance Taylor <iant@google.com>
2778 * fold-const.c (merge_ranges): If range_successor or
2779 range_predecessor fail, just return 0.
2781 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2783 PR tree-optimization/32216
2784 * tree-vectorizer.c (supportable_widening_operation): Determine
2785 signedness of FIX_TRUNC_EXPR from output operand.
2786 (supportable_narrowing_operation): Ditto.
2787 * tree-vect-generic.c (expand_vector_operations_1): Determine
2788 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
2791 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2793 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
2794 (struct pta): ...from here. Change flags to unsigned to avoid
2795 excessive casting (as it is used as a bit mask).
2796 (override_options): Add casts according to the coding convenventions.
2797 (x86_64_elf_unique_section): Likewise.
2798 (examine_argument): Avoid using C++ keywords as variable names.
2799 (construct_container): Likewise.
2800 (legitimize_pic_address): Likewise.
2801 (get_dllimport_decl): Cast according to the coding conventions. Use
2802 type safe memory macros.
2803 (legitimize_address): Cast according to the coding conventions.
2804 (emit_i387_cw_initialization): Corrected the type of slot to enum
2806 (ix86_init_machine_status): Use type safe memory macros.
2807 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
2808 (bdesc_pcmpistr): Likewise.
2809 (bdesc_crc32): Likewise.
2810 (bdesc_sse_3arg): Likewise.
2811 (bdesc_2arg): Likewise.
2812 (bdesc_1arg): Likewise.
2813 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
2814 (ix86_expand_sse_pcmpistr): Likewise.
2815 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
2816 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
2817 int to match the langhook definition.
2818 (ix86_builtin_conversion): Change the type of code to unsigned init to
2819 match the langhook definition.
2820 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
2822 (ix86_preferred_output_reload_class): Likewise.
2823 (ix86_cannot_change_mode_class): Likewise.
2824 (ix86_memory_move_cost): Likewise.
2825 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
2826 avoid excessive casting later on.
2827 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
2829 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2831 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
2832 as flags setting insn.
2833 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
2835 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2837 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
2838 (UNSPEC_ROUND): New.
2839 ("sse4_1_round<mode>2"): New insn pattern.
2840 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
2842 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
2843 expander using SSEMODEF mode macro. Expand using
2844 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2845 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
2846 expander using SSEMODEF mode macro. Expand using
2847 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2848 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
2849 expander using SSEMODEF mode macro. Expand using
2850 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2851 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
2852 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
2853 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
2856 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
2857 Sebastian Pop <sebpop@gmail.com>
2859 * lambda.h (build_linear_expr): New.
2860 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
2861 Use build_linear_expr, call fold and force_gimple_operand.
2862 (lambda_loopnest_to_gcc_loopnest): Check that there is
2863 something to insert.
2864 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
2866 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2868 PR preprocessor/23479
2869 * doc/extend.texi: Document the 0b-prefixed binary integer
2872 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2874 PR tree-optimization/32215
2875 * tree-vectorizer.c (supportable_widening_operation): Return false
2876 for unsupported FIX_TRUNC_EXPR tree code.
2877 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
2879 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
2881 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
2882 register on SPE targets. Change documentation to reflect
2884 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
2885 Change FIXED_SCRATCH to 14 and document why we're keeping r14
2886 out of the register allocation pool.
2887 (rs6000_reg_live_or_pic_offset_p): New function.
2888 (rs6000_emit_prologue): Move the actual saving of LR up to free
2889 r0 for holding r11. Split saving of SPE 64-bit registers into
2890 its own case. Ensure that offsets will always be in-range for
2891 'evstdd' by using r11 as a scratch register to point at the start
2892 of the SPE save area. Save r11 if necessary, as it is the static
2894 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
2895 into its own case. Ensure that offsets will always be in-range
2896 for 'evldd' by using r11 as a scratch register to point at the
2897 start of the SPE save area. Also adjust r11 when restoring
2898 the stack pointer to compensate for pre-loading r11.
2900 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
2902 * cfg.c (init_flow): Use type safe memory macros.
2903 (alloc_block): Likewise.
2904 (unchecked_make_edge): Likewise.
2905 (dump_flow_info): Avoid using C++ keywords as variable names.
2906 (copy_original_table_clear): Cast according to the coding conventions.
2907 (copy_original_table_set): Likewise.
2908 * cfgexpand (label_rtx_for_bb): Likewise.
2909 (expand_gimple_basic_block): Likewise.
2910 * cfghooks.c (dump_bb): Likewise.
2911 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
2913 (lv_add_condition_to_bb): Likewise.
2914 * cfglayout (relink_block_chain): Cast according to the coding
2916 (fixup_reorder_chain): Likewise.
2917 (fixup_fallthru_exit_predecessor): Likewise.
2918 * cfgloop.c (glb_enum_p): Likewise.
2919 (get_exit_description): Likewise.
2920 (dump_recorded_exit): Likewise.
2921 * cfgloop.h (enum loop_estimation): Move out of struct scope...
2922 (struct loop): ... from here.
2923 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
2925 * cfgrtl.c (rtl_create_basic_block): Likewise.
2926 (rtl_split_block): Likewise.
2927 (rtl_dump_bb): Likewise.
2928 (cfg_layout_split_block): Likewise.
2929 (init_rtl_bb_info): Use typesafe memory macros.
2931 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
2932 * graphds.h: Updated all usages of edge to graph_edge.
2933 * graphds.c: Likewise.
2934 * cfgloopanal.c: Likewise.
2936 2007-06-05 Ian Lance Taylor <iant@google.com>
2938 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
2939 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
2940 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
2942 (test_for_singularity): Likewise.
2944 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
2946 * config/i386/constraints.md ("Y2"): Replaced by ...
2948 * config/i386/i386.md: Likewise.
2949 * config/i386/mmx.md: Likewise.
2950 * config/i386/sse.md: Likewise.
2952 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
2954 * config/i386/constraints.md ("z"): Replaced by ...
2956 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
2957 (sse4_1_blendvps): Likewise.
2958 (sse4_1_pblendvb): Likewise.
2959 (sse4_2_pcmpestr): Likewise.
2960 (sse4_2_pcmpestrm): Likewise.
2961 (sse4_2_pcmpestr_cconly): Likewise.
2962 (sse4_2_pcmpistr): Likewise.
2963 (sse4_2_pcmpistrm): Likewise.
2964 (sse4_2_pcmpistr_cconly): Likewise.
2966 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
2968 * matrix-reorg.c (transform_access_sites): Fix computation.
2969 (transform_allocation_sites): Same.
2971 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2973 * config/i386/i386.c (override_options): Use
2974 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
2976 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2978 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
2979 (nonimm_not_xmm0_operand): Ditto.
2980 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
2981 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
2982 as operand[2] predicate. Require "z" class XMM register for
2983 operand[3]. Adjust asm template.
2984 ("sse4_1_blendvpd"): Ditto.
2985 ("sse4_1_pblendvb"): Ditto.
2986 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
2987 force op2 into xmm0 register for variable blend instructions.
2989 2007-06-04 Tom Tromey <tromey@redhat.com>
2991 * c-tree.h (start_enum): Update.
2992 (build_enumerator): Likewise.
2993 * c-decl.c (enum_next_value): Removed.
2994 (enum_overflow): Likewise.
2995 (start_enum): Add c_enum_contents argument. Don't use globals.
2996 (build_enumerator): Likewise.
2997 * c-tree.h (struct c_enum_contents): New struct.
2999 2007-06-04 Tom Tromey <tromey@redhat.com>
3001 * c-common.c (c_common_get_alias_set): Fix indentation.
3003 2007-06-04 Ian Lance Taylor <iant@google.com>
3005 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
3006 to overflow, reduce overflow infinity to regular infinity.
3007 (vrp_var_may_overflow): New static function.
3008 (vrp_visit_phi_node): Check vrp_var_may_overflow.
3010 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
3012 * stor-layout.c (layout_type): Remove duplicate code.
3014 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
3017 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
3018 before build_common_builtin_nodes ().
3020 2007-06-04 Steve Ellcey <sje@cup.hp.com>
3023 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
3025 2007-06-04 Jan Hubicka <jh@suse.cz>
3027 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
3028 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
3029 instead of _stat version.
3031 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3033 PR tree-optimization/32194
3034 * tree-predcom.c (determine_offset): Check that both references have
3037 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3039 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
3040 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
3041 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3042 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
3043 Add argument to iterate_fix_dominators call.
3044 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
3045 * gcse.c (hoist_code): Change domby to vector.
3046 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
3047 Add argument to iterate_fix_dominators call.
3048 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3049 recompute_dominator.
3050 * lambda-code.c (perfect_nestify): Ditto.
3051 * cfgloopanal.c: Include graphds.h.
3052 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3053 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3054 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3056 * graphds.c: New file.
3057 * graphds.h: New file.
3058 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3059 (get_dominated_by, get_dominated_by_region): Change return type to
3061 (verify_dominators): Recompute all dominators and compare the results.
3062 (recount_dominator): Renamed to ...
3063 (recompute_dominator): ... this. Do not check that the block is
3065 (iterate_fix_dominators): Reimplemented.
3066 (prune_bbs_to_update_dominators, root_of_dom_tree,
3067 determine_dominators_for_sons): New functions.
3068 * et-forest.c (et_root): New function.
3069 * et-forest.h (et_root): Declare.
3070 * Makefile.in (graphds.o): Add.
3071 (cfgloopanal.o): Add graphds.h dependency.
3072 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3073 * basic-block.h (get_dominated_by, get_dominated_by_region,
3074 iterate_fix_dominators): Declaration changed.
3075 (recount_dominator): Renamed to ...
3076 (recompute_dominator): ... this.
3077 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3078 (thread_through_all_blocks): Do not free dominance info.
3080 2007-06-03 Andreas Schwab <schwab@suse.de>
3082 * config/m68k/m68k.c (override_options): Don't override
3084 * config/m68k/m68k-modes.def (SF, DF): Define to use
3085 motorola_single_format and motorola_double_format, resp.
3086 * real.c (motorola_single_format): Renamed from
3087 coldfire_single_format.
3088 (motorola_double_format): Renamed from coldfire_double_format.
3089 (encode_ieee_extended): Generate a proper canonical NaN image
3090 respecting canonical_nan_lsbs_set.
3091 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3093 * real.h: Adjust declarations.
3095 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3098 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3099 the symbol is generated with the stack protector.
3101 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3103 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3104 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3106 * doc/extend.texi (interrupt): Mention m68k.
3108 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3110 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3111 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3112 (ix86_expand_sse_pcmpestr): Do not check operands for
3113 "register_operand", when insn operand predicate is "register_operand".
3114 (ix86_expand_sse_pcmpistr): Ditto.
3116 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3117 Uros Bizjak <ubizjak@gmail.com>
3119 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3120 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3121 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3122 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3123 * config/i386/constraints.md ("z"): New register constraint
3124 for members of SSE_FIRST_REG class.
3125 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3126 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3127 SSE_FIRST_REG class.
3128 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3129 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3130 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3131 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3132 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3133 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3134 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3135 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3136 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3137 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3138 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3139 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3140 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3141 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3142 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3143 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3144 (struct builtin_description): Change "flag" field to unsigned.
3145 (bdesc_pcmpestr): New builtin description table.
3146 (bdesc_pcmpistr): Likewise.
3147 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3148 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3149 Initialize pcmp[ei]str[im] insns for SSE4.2.
3150 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3151 (ix86_expand_sse_pcmpistr): Likewise.
3152 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3153 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3154 (UNSPEC_PCMPISTR): Likewise.
3155 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3156 (sse4_2_pcmpestri):New isns pattern.
3157 (sse4_2_pcmpestrm): Likewise.
3158 (sse4_2_pcmpestr_cconly): Likewise.
3159 (sse4_2_pcmpistr): New insn patern and splitter.
3160 (sse4_2_pcmpistri):New isns pattern.
3161 (sse4_2_pcmpistrm): Likewise.
3162 (sse4_2_pcmpistr_cconly): Likewise.
3163 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3166 2007-06-01 David Daney <ddaney@avtrex.com>
3168 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3169 LOADGP_ABSOLUTE and not binds_local_p.
3171 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3173 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3175 2007-06-01 Ian Lance Taylor <iant@google.com>
3177 * tree-vrp.c (compare_name_with_value): Always set
3178 used_strict_overflow if we get a result from the variable itself.
3180 2007-06-01 Ian Lance Taylor <iant@google.com>
3182 PR rtl-optimization/31455
3183 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3184 subregs which have a cast between modes which are not tieable.
3186 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3188 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3189 breaks after return statements.
3191 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3193 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3194 only after no_new_pseudos.
3196 2007-05-31 Eric Christopher <echristo@apple.com>
3198 * expr.c (convert_move): Assert that we don't have a BLKmode
3200 (store_expr): Handle BLKmode moves by calling emit_block_move.
3202 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3204 * c-typeck.c (build_indirect_ref): Include type in error message.
3205 (build_binary_op): Pass types to binary_op_error.
3206 * c-common.c (binary_op_error): Take two type arguments, print out
3208 * c-common.h (binary_op_error): Update prototype.
3210 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3212 * config/i386/i386.c: Correct coments on -mno-sse4.
3214 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3216 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3217 (x86_64-*-*): Likewise.
3218 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3219 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3220 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3221 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3222 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3223 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3224 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3225 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3226 (OPTION_MASK_ISA_SSE4): Likewise.
3227 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3228 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3229 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3230 (override_options): Support SSE4.2.
3231 (ix86_build_const_vector): Support SImode and DImode.
3232 (ix86_build_signbit_mask): Likewise.
3233 (ix86_expand_int_vcond): Support V2DImode.
3234 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3235 (IX86_BUILTIN_CRC32HI): Likewise.
3236 (IX86_BUILTIN_CRC32SI): Likewise.
3237 (IX86_BUILTIN_CRC32DI): Likewise.
3238 (IX86_BUILTIN_PCMPGTQ): Likewise.
3239 (bdesc_crc32): Likewise.
3240 (bdesc_sse_3arg): Likewise.
3241 (ix86_expand_crc32): Likewise.
3242 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3243 (ix86_expand_builtin): Likewise.
3244 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3245 __SSE4_2__ for -msse4.2.
3246 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3247 (CRC32MODE): Likewise.
3248 (crc32modesuffix): Likewise.
3249 (crc32modeconstraint): Likewise.
3250 (sse4_2_crc32<mode>): Likewise.
3251 (sse4_2_crc32di): Likewise.
3252 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3254 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3255 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3256 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3257 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3258 (vcondu<mode>): Likewise.
3259 * doc/extend.texi: Document SSE4.2 built-in functions.
3260 * doc/invoke.texi: Document -msse4.2/-msse4.
3262 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3264 PR tree-optimization/32160
3265 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3266 variable as gimple reg.
3267 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3269 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3271 * gcc.c (main): Don't consider linker options when issuing the
3272 warning about a linker input file not being used.
3274 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3276 * tree-vrp.c (compare_names): Initialize sop.
3278 2007-05-30 Dirk Mueller <dmueller@suse.de>
3280 * cgraphunit.c (cgraph_analyze_function): Remove
3281 computation of inline parameters.
3283 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3285 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
3287 2007-05-30 Richard Sandiford <richard@codesourcery.com>
3289 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
3290 Add vx-common.h. Include vxworks.h between vx-common.h and
3292 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
3294 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
3295 (TARGET_ASM_DESTRUCTOR): Likewise.
3296 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
3297 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
3298 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3299 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
3300 (VXWORKS_ENDIAN_SPEC): Define.
3301 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
3302 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
3303 VXWORKS_* equivalents.
3304 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
3305 (ASM_FILE_START): Delete.
3306 (TARGET_VERSION): Reformat.
3307 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
3308 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
3309 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3310 (FPBIT, DPBIT): Define.
3311 (fp-bit.c, dp-bit.c): New rules.
3312 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
3313 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
3314 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
3315 * config/arm/arm.h: Include vxworks-dummy.h.
3316 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
3317 Mark with ATTRIBUTE_UNUSED.
3318 (arm_override_options): Do not allow VxWorks RTP PIC to be used
3319 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
3320 make it incompatible with -msingle-pic-base.
3321 (arm_function_ok_for_sibcall): Return false for calls that might
3322 go through a VxWorks PIC PLT entry.
3323 (require_pic_register): New function, split out from...
3324 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
3326 (arm_load_pic_register): Handle the VxWorks RTP initialization
3327 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
3328 (arm_emit_call_insn): New function.
3329 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
3330 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
3331 (pic_offset_arm): New pattern.
3332 (call, call_value): Use arm_emit_call_insn.
3333 (call_internal, call_value_internal): New expanders.
3334 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
3335 VxWorks unless __PIC__.
3337 2007-05-30 Eric Christopher <echristo@gmail.com>
3339 * genrecog.c: Include regs.h in generated file.
3340 * genemit.c: Ditto. Fix up formatting.
3341 * config/mn10300/constraints.md: New.
3342 * config/mn10300/mn10300.md: Include.
3343 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
3344 Fix up for removed macro.
3345 * config/mn10300/predicates.md (call_address_operand): Ditto.
3346 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
3347 (CONST_OK_FOR_I): Ditto.
3348 (CONST_OK_FOR_J): Ditto.
3349 (CONST_OK_FOR_K): Ditto.
3350 (CONST_OK_FOR_L): Ditto.
3351 (CONST_OK_FOR_M): Ditto.
3352 (CONST_OK_FOR_N): Ditto.
3353 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
3357 (EXTRA_CONSTRAINT): Ditto.
3359 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3361 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
3363 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
3364 OPTION_MASK_ISA_64BIT.
3365 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
3367 2007-05-30 Richard Guenther <rguenther@suse.de>
3370 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
3371 types for comparison.
3372 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
3373 with original typed arguments.
3374 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
3376 2007-05-30 Jakub Jelinek <jakub@redhat.com>
3378 PR tree-optimization/31769
3379 * except.c (duplicate_eh_regions): Clear prev_try if
3380 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
3382 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3384 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
3385 * tree-ssa-sink.c (statement_sink_location): Return basic block and
3386 bsi of the location where statements should be inserted.
3387 (sink_code_in_bb): Take bsi from statement_sink_location.
3388 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
3389 instead of bsi_start.
3390 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
3392 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
3393 (bsi_move_before): Document inconsistency with bsi_move_after.
3394 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
3396 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3398 * config/i386/i386.h (TARGET_ABM): New define.
3399 (TARGET_POPCNT): Ditto.
3400 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
3401 New temporary defines to redefine from OPTION_ISA_* defines.
3402 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
3403 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
3404 (ix86_isa_flags): New extern int declaration.
3405 (TARGET_SUBTARGET_DEFAULT): New define.
3406 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
3407 (TARGET_SUBTARGET32_DEFAULT): Ditto.
3408 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
3409 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3410 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
3411 * config/i386/darwin.h: Change TARGET_64BIT define to
3414 * config/i386/i386.opt (m3dnowa): Define as undocumented option
3415 using existing "ix86_isa_flags" varible.
3416 (m32, m64): Use existing "ix86_isa_flags" variable.
3417 (mmmx, m3dnow): Ditto.
3418 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
3419 (mabm): Define as non-negative option using "x86_abm" variable.
3420 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
3422 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
3423 Rewrite feature test bitmap.
3424 (ix86_isa_flags): New initialized global int varible.
3425 (ix86_isa_flags_explicit): New static int variable.
3426 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
3427 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
3428 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
3429 target_flags_explicit.
3430 (override_options): Remove "target_enable" and "target_disable" fields
3431 from "struct ptt". Update processor_target_table accordingly. Remove
3432 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
3433 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
3434 "target_flags" and "ix86_isa_flags_explicit" instead of
3435 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
3436 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
3437 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
3438 to true when either of PTA_POPCNT or PTA_ABM is set in
3439 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
3440 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
3441 processor_alias_table flags entry. Remove handling of
3442 "target_enable" and "target_disable" fields of processor_target_table.
3443 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
3444 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
3445 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
3446 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
3447 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
3449 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
3451 2007-05-29 David Daney <ddaney@avtrex.com>
3454 * config/mips/mips.c (mips_output_mi_thunk): Emit
3455 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
3457 2007-05-29 Hui-May Chang <hm.chang@apple.com>
3458 * config/i386/i386.c (ix86_function_regparm): Added checking of
3459 ix86_force_align_arg_pointer to determine the number of
3460 register parameters.
3462 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
3464 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
3465 (SET_DR_MISALIGNMENT): New.
3466 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
3467 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
3468 Use SET_DR_MISALIGNMENT.
3469 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
3471 * tree-data-ref.c (create_data_ref, compute_all_dependences,
3472 find_loop_nest): Export.
3473 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
3474 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
3475 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
3476 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
3478 (struct mem_ref): Add field reuse_distance.
3479 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
3480 Initialize reuse_distance field.
3481 (issue_prefetch_ref): Select temporality of prefetch according to
3483 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
3484 self_reuse_distance, determine_loop_nest_reuse): New functions.
3485 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
3486 (tree_ssa_prefetch_arrays): Dump L2 cache size.
3487 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
3490 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
3492 * tree-ssa-alias.c: Add aliasing overview.
3494 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
3495 Danny Smith <dannysmith@users.sourceforge.net>
3498 * config/i386/t-crtfm: Compile crtfastmath.o with
3499 -minline-all-stringops.
3500 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
3501 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
3503 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3505 * doc/md.texi: Document constraints on HP PA-RISC.
3507 * pa/constraints.md: New file.
3508 * pa.md: Include constraints.md.
3509 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
3510 (integer_store_memory_operand, ldil_cint_p): New functions.
3511 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
3512 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
3513 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
3514 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
3515 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
3517 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
3520 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
3521 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
3522 case POSTDECREMENT_EXPR>): Return the error_mark_node
3523 if either the real or imaginary parts would an
3526 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
3528 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
3529 name when we remove it from a call.
3531 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
3533 * targhooks.c (default_narrow_bitfield): Remove.
3534 * targhooks.h: Remove the prototype for
3535 default_narrow_bitfield.
3537 * langhooks-def.h: Remove the prototype for
3538 hook_get_alias_set_0.
3539 * langhooks.c (hook_get_alias_set_0): Remove.
3541 * global.c (EXECUTE_IF_CONFLICT): Remove.
3543 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3546 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
3547 return true when truth_value_p is true and the type
3550 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
3552 * doc/install.texi (Prerequisites): We no longer require Autoconf
3553 2.13 for the top-level.
3555 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
3557 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
3558 memory access via x86_expand_vector_move_misalign() only for
3559 TImode values on 32-bit targets.
3561 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
3563 * matrix-reorg.c: New file. Implement matrix flattening and
3564 transposing optimization.
3565 * tree-pass.h: Add matrix reorg pass.
3566 * common.opt: Add fipa-mreorg flag.
3567 * Makefile.in: Add matrix-reorg.c.
3568 * passes.c: Add matrix reorg pass.
3569 * varpool.c (add_new_static_var): New function.
3570 * cgraph.h (add_new_static_var): Declare.
3572 2007-05-27 Eric Christopher <echristo@apple.com>
3574 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
3575 sp_offset depending on stack size. Save r12 depending
3576 on registers we're saving later.
3577 (rs6000_emit_epilogue): Update sp_offset depending only
3580 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
3582 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
3583 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3584 * ifcvt.c (if_convert): Ditto.
3585 * tree-ssa-threadupdate.c (thread_block): Ditto.
3586 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
3587 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
3588 verify_loop_closed_ssa): Check number_of_loops instead of
3590 * predict.c (tree_estimate_probability): Ditto.
3591 * tree-if-conv.c (main_tree_if_conversion): Ditto.
3592 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3593 * modulo-sched.c (sms_schedule): Ditto.
3594 * tree-scalar-evolution.c (scev_const_prop): Ditto.
3595 (scev_finalize): Do not do anything if scev analysis was not
3597 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
3598 current_loops == NULL.
3599 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
3600 * loop-init.c (loop_optimizer_init): Do not free current_loops when
3602 (loop_optimizer_finalize): Assert that loops were analyzed.
3603 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
3604 rtl_doloop): Check number_of_loops instead of current_loops.
3605 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
3606 current_loops == NULL.
3607 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
3608 gate_tree_vectorize tree_linear_transform, check_data_deps,
3609 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3610 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
3611 Check number_of_loops instead of current_loops.
3612 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
3613 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
3614 free loops if available.
3615 (execute_pre): Do not pass do_fre to fini_pre.
3617 2007-05-27 Tobias Burnus <burnus@net-b.de>
3620 * real.c (mpfr_from_real): Fix sign of -Inf.
3622 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
3624 * tree-vect-transform.c (vectorizable_conversion): Initialize
3625 tree_code variables to ERROR_MARK.
3626 (vectorizable_type_demotion): Likewise.
3627 (vectorizable_type_promotion): Likewise.
3629 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3632 * config/i386/i386.md (movti): Handle push operands via
3635 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3637 * basic-block.h: Remove the prototype for merge_seq_blocks.
3638 * cfgcleanup.c (merge_seq_blocks): Remove.
3640 * tree-flow.h: Remove the prototype for is_aliased_with.
3641 * tree-ssa-alias.c (is_aliased_with): Remove.
3643 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
3645 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
3647 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
3649 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
3650 ix86_expand_sse4_unpack if SSE4.1 is enabled.
3651 (vec_unpacks_hi_v16qi): Likewise.
3652 (vec_unpacku_lo_v16qi): Likewise.
3653 (vec_unpacks_lo_v16qi): Likewise.
3654 (vec_unpacku_hi_v8hi): Likewise.
3655 (vec_unpacks_hi_v8hi): Likewise.
3656 (vec_unpacku_lo_v8hi): Likewise.
3657 (vec_unpacks_lo_v8hi): Likewise.
3658 (vec_unpacku_hi_v4si): Likewise.
3659 (vec_unpacks_hi_v4si): Likewise.
3660 (vec_unpacku_lo_v4si): Likewise.
3661 (vec_unpacks_lo_v4si): Likewise.
3663 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3665 * c-typeck.c, config/arm/arm.c, config/darwin.c,
3666 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
3667 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
3668 follow spelling conventions in various
3669 warning/error/diagnostic messages.
3671 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
3672 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
3673 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
3674 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
3675 tree-vrp.c: Fix comment typos. Follow spelling conventions.
3676 * doc/tm.texi: Follow spelling conventions.
3678 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3681 * tree-ssa-forwprop.c
3682 (forward_propagate_addr_into_variable_array_index): Remove
3683 the lhs argument. Use the type of def_rhs instead of lhs.
3684 (forward_propagate_addr_expr_1): Update use of
3685 forward_propagate_addr_into_variable_array_index.
3687 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
3688 Nigel Stephens <nigel@mips.com>
3690 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
3691 function attributes, "far" being an alias for "long_call".
3692 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
3693 (mips_near_type_p, mips_far_type_p): New.
3694 (mips_comp_type_attributes): New function to check that attributes
3695 attached to a function type are compatible.
3696 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
3697 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
3698 to the target function of the thunk.
3699 (mips_encode_section_info): Check for "near" and "far" function
3700 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
3702 * config/mips/predicates.md (const_call_insn_operand): Test only
3703 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
3705 * doc/extend.texi (Function Attributes): Document MIPS "near" and
3708 * testsuite/gcc.target/mips/near-far-1.c: New test case.
3709 * testsuite/gcc.target/mips/near-far-2.c: New test case.
3710 * testsuite/gcc.target/mips/near-far-3.c: New test case.
3711 * testsuite/gcc.target/mips/near-far-4.c: New test case.
3713 2007-05-25 Eric Christopher <echristo@apple.com>
3715 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
3716 to x86-darwin configurations.
3717 * config/i386/t-darwin: Add softfp support.
3718 * config/i386/t-darwin64: Ditto.
3719 * config/i386/sfp-machine.h: If mach then don't use
3720 aliasing, emit a stub to call.
3722 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
3724 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
3725 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
3726 tree-predcom.c, tree-ssa-alias-warnings.c,
3727 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
3728 comment typos. Follow spelling conventions.
3729 * doc/cpp.texi, doc/invoke.texi: Fix typos.
3731 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3734 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
3735 constants into memory. Expand unaligned memory references for
3736 SSE modes via x86_expand_vector_move_misalign() function.
3738 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
3740 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
3741 "memory" attribute for "sseishft" type insn without operands[2].
3743 2007-05-25 Dirk Mueller <dmueller@suse.de>
3744 Marcus Meissner <meissner@suse.de>
3746 * doc/extend.texi (alloc_size): New attribute.
3747 * c-common.c (handle_alloc_size_attribute): New.
3748 * tree-object-size.c (alloc_object_size): Use alloc_size
3749 attribute, if available.
3751 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3753 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
3755 (__builtin_ia32_vec_ext_v2di): Likewise.
3756 (__builtin_ia32_vec_ext_v4si): Likewise.
3757 (__builtin_ia32_vec_ext_v8hi): Likewise.
3758 (__builtin_ia32_vec_ext_v16qi): Likewise.
3759 (__builtin_ia32_vec_set_v8hi): Likewise.
3761 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3763 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
3765 2007-05-25 Richard Sandiford <richard@codesourcery.com>
3767 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
3768 (arm_is_longcall_p): Rename to...
3769 (arm_is_long_call_p): ...this. Take a single tree argument and
3771 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
3772 (CUMULATIVE_ARGS): Remove call_cookie.
3773 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
3774 (ENCODED_LONG_CALL_ATTR_P): Delete.
3775 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
3776 LONG_CALL_FLAG_CHAR cases.
3777 (ARM_DECLARE_FUNCTION_SIZE): Delete.
3778 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
3779 ARM_DECLARE_FUNCTION_SIZE.
3780 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
3781 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
3782 (arm_encode_call_attribute, current_file_function_operand): Delete.
3783 (arm_function_in_section_p): New function.
3784 (arm_is_longcall_p): Rename to...
3785 (arm_is_long_call_p): ...this. Take the target function as a single
3786 argument and return a bool. Do not rely on call cookies. Check
3787 whether the target symbol is in the same section as the current
3788 function, not just the same compilation unit.
3789 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
3790 (arm_encode_section_info): Don't encode a call type.
3791 * config/arm/arm.md (call, call_value): Update calls to
3792 arm_is_long(_)call_p. Simplify logic.
3793 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
3794 Update calls to arm_is_long(_)call_p.
3796 2007-05-25 Richard Guenther <rguenther@suse.de>
3798 PR tree-optimization/31982
3799 * tree-ssa-forwprop.c
3800 (forward_propagate_addr_into_variable_array_index): Handle arrays
3801 with element size one.
3803 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3805 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
3806 (umulsi3_highpart): Likewise.
3808 2007-05-24 Ian Lance Taylor <iant@google.com>
3810 PR rtl-optimization/32069
3811 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
3814 2007-05-24 Ollie Wild <aaw@google.com>
3816 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
3819 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
3821 * postreload-gcse.c (reg_changed_after_insn_p): New function.
3822 (oprs_unchanged_p): Use it to check all registers in a REG.
3823 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
3824 (reg_set_between_after_reload_p): Delete.
3825 (reg_used_between_after_reload_p): Likewise.
3826 (reg_set_or_used_since_bb_start): Likewise.
3827 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
3828 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
3829 Use reg_set_between_p instead of reg_set_between_after_reload_p.
3830 * rtlanal.c (reg_set_p): Check whether REG overlaps
3831 regs_invalidated_by_call, rather than just checking the
3832 membership of REGNO (REG).
3834 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3836 * doc/passes.texi: Document predictive commoning.
3837 * doc/invoke.texi (-fpredictive-commoning): Document.
3838 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
3839 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
3840 adding indices to the generated name.
3841 (schedule_sm): Pass 0 to get_lsm_tmp_name.
3842 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
3843 * tree-pretty-print.c (op_symbol_1): Renamed to ...
3844 (op_symbol_code): ... and exported.
3845 (dump_omp_clause, op_symbol): Use op_symbol_code
3846 instead of op_symbol_1.
3847 * tree-pass.h (pass_predcom): Declare.
3848 * timevar.def (TV_PREDCOM): New timevar.
3849 * tree-ssa-loop.c (run_tree_predictive_commoning,
3850 gate_tree_predictive_commoning, pass_predcom): New.
3851 * tree-data-ref.c (find_data_references_in_loop): Find the
3852 references in dominance order.
3853 (canonicalize_base_object_address): Ensure that the result has
3855 (dr_analyze_innermost): Export.
3856 (create_data_ref): Code to fail for references with invariant
3858 (find_data_references_in_stmt): ... here.
3859 * tree-data-ref.h (dr_analyze_innermost): Declare.
3860 * tree-affine.c: Include tree-gimple.h and hashtab.h.
3861 (aff_combination_find_elt, name_expansion_hash,
3862 name_expansion_eq, tree_to_aff_combination_expand,
3863 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
3865 * tree-affine.h (aff_combination_constant_multiple_p,
3866 tree_to_aff_combination_expand): Declare.
3867 * tree-predcom.c: New file.
3868 * common.opt (fpredictive-commoning): New option.
3869 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
3870 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
3871 * Makefile.in (tree-predcom.o): Add.
3872 (tree-affine.o): Add TREE_GIMPLE_H dependency.
3873 * passes.c (init_optimization_passes): Add dceloop after
3874 copy propagation in loop optimizer. Add predictive commoning
3875 to loop optimizer passes.
3877 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3879 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
3882 2007-05-24 Jan Hubicka <jh@suse.cz>
3884 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
3886 (genheader): Include statistics.h.
3888 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
3890 * print-rtl.c (flag_dump_unnumbered): Update comments.
3891 (print_rtl): Fix my previous change.
3892 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
3895 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3898 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
3900 (thread_through_all_blocks): Call initialize_original_copy_tables
3901 and free_original_copy_tables.
3902 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
3904 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
3905 * cfghooks.c (duplicate_block): Use get_loop_copy.
3906 * cfg.c: Include cfgloop.h.
3907 (loop_copy): New hash table.
3908 (initialize_original_copy_tables): Initialize loop_copy table.
3909 (free_original_copy_tables): Free loop_copy table.
3910 (copy_original_table_clear, copy_original_table_set,
3911 set_loop_copy, get_loop_copy): New functions.
3912 (set_bb_original, set_bb_copy): Use copy_original_table_set.
3913 * cfgloop.h (struct loop): Remove copy field.
3914 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
3915 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
3917 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3919 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
3920 -msse/-msse2/-msse3.
3922 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3924 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
3925 __builtin_ia32_vec_set_v2di with MASK_64BIT.
3927 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
3930 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
3931 * targhooks.h (default_mangle_decl_assembler_name): Declare
3933 * targhooks.c (default_mangle_decl_assembler_name): Define
3935 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
3937 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
3938 * langhooks.c (lhd_set_decl_assembler_name): Call
3939 targetm.mangle_decl_assembler_name for names with global scope.
3941 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
3943 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
3944 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
3946 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
3947 New. Factored out of i386_pe_encode_section_info.
3948 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
3949 Move check for prior decoration of stdcall
3950 symbols to i386_pe_encode_section_info.
3951 (i386_pe_encode_section_info): Adjust call to
3952 gen_stdcall_or_fastcall_suffix. Use
3953 i386_pe_maybe_mangle_decl_assembler_name, if needed.
3954 (i386_pe_mangle_decl_assembler_name): New. Wrap
3955 i386_pe_maybe_mangle_decl_assembler_name.
3957 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
3959 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
3960 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
3961 * langhooks.c (get_signed_or_unsigned_type): Don't check for
3962 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
3963 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
3966 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
3967 Nigel Stephens <nigel@mips.com>
3968 Richard Sandiford <richard@codesourcery.com>
3970 Fix up MIPS16 hard float and add support for complex.
3972 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
3973 (TARGET_SOFT_FLOAT_ABI): New.
3974 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
3975 __mips_soft_float to reflect the ABI in use, not whether the
3976 FPU is directly accessible (e.g., in MIPS16 mode).
3977 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
3978 (UNITS_PER_FPVALUE): Likewise.
3980 * config/mips/mips.c (mips_expand_call): Remove redundant
3981 TARGET_MIPS16 check.
3982 (mips_arg_regno): New.
3983 (function_arg_advance): When setting bits in cum->fp_code for
3984 MIPS16, don't subtract 1 from cum->arg_number, since it is now
3986 (function_arg): Use mips_arg_regno.
3987 (mips_return_mode_in_fpr_p): New.
3988 (mips16_call_stub_mode_suffix): New.
3989 (mips16_cfun_returns_in_fpr_p): New.
3990 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
3991 (mips_output_function_prologue): Test mips16_hard_float, not
3992 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
3993 (mips_expand_epilogue): Call MIPS16 helper routines to copy
3994 return value into a floating-point register.
3995 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
3996 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
3997 (mips16_fp_args): Handle MIPS32r2 ISA which supports
3998 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
3999 word of double arguments from or to the high bits of 64-bit
4000 floating point registers.
4001 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
4002 (mips16_fpret_double): New helper function.
4003 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
4004 support for complex modes. Fill in DECL_RESULT for stubdecl.
4005 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
4007 * config/mips/mips16.S
4008 (RET, ARG1, ARG2): New.
4009 (MERGE_GPRf, MERGE_GPRt): New.
4010 (DELAYt, DELAYf): New.
4011 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
4012 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
4013 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
4014 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
4015 (SFOP): Renamed to...
4016 (OPSF3): This, and macro-ified. Updated all uses.
4017 (SFOP2): Renamed to...
4018 (OPSF2): This, and macro-ified. Updated all uses.
4019 (SFCMP): Renamed to...
4020 (CMPSF): This, and macro-ified. Updated all uses.
4021 (SFREVCMP): Renamed to...
4022 (REVCMPSF): This, and macro-ified. Updated all uses.
4023 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
4024 (LDDBL1, LDDBL2, RETDBL): Deleted.
4025 (DFOP): Renamed to...
4026 (OPDF3): This, and macro-ified. Updated all uses.
4027 (DFOP2): Renamed to...
4028 (OPDF2): This, and macro-ified. Updated all uses.
4029 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
4030 (DFCMP): Renamed to...
4031 (CMPDF): This, and macro-ified. Updated all uses.
4032 (DFREVCMP): Renamed to...
4033 (REVCMPDF): This, and macro-ified. Updated all uses.
4034 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
4035 (RET_FUNCTION): New.
4036 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
4037 (__mips16_ret_sc, __mips16_ret_dc): New.
4038 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
4039 STUB_ARGS_6, STUB_ARGS_10): New.
4040 (CALL_STUB_NO_RET): New.
4041 (__mips16_call_stub_1): Macro-ified.
4042 (__mips16_call_stub_5): Macro-ified.
4043 (__mips16_call_stub_2): Macro-ified.
4044 (__mips16_call_stub_6): Macro-ified.
4045 (__mips16_call_stub_9): Macro-ified.
4046 (__mips16_call_stub_10): Macro-ified.
4047 (CALL_STUB_RET): New.
4048 (__mips16_call_stub_sf_0): Macro-ified.
4049 (__mips16_call_stub_sf_1): Macro-ified.
4050 (__mips16_call_stub_sf_5): Macro-ified.
4051 (__mips16_call_stub_sf_2): Macro-ified.
4052 (__mips16_call_stub_sf_6): Macro-ified.
4053 (__mips16_call_stub_sf_9): Macro-ified.
4054 (__mips16_call_stub_sf_10): Macro-ified.
4055 (__mips16_call_stub_df_0): Macro-ified.
4056 (__mips16_call_stub_df_1): Macro-ified.
4057 (__mips16_call_stub_df_5): Macro-ified.
4058 (__mips16_call_stub_df_2): Macro-ified.
4059 (__mips16_call_stub_df_6): Macro-ified.
4060 (__mips16_call_stub_df_9): Macro-ified.
4061 (__mips16_call_stub_df_10): Macro-ified.
4062 (__mips16_call_stub_sc_0): New.
4063 (__mips16_call_stub_sc_1): New.
4064 (__mips16_call_stub_sc_5): New.
4065 (__mips16_call_stub_sc_2): New.
4066 (__mips16_call_stub_sc_6): New.
4067 (__mips16_call_stub_sc_9): New.
4068 (__mips16_call_stub_sc_10): New.
4069 (__mips16_call_stub_dc_0): New.
4070 (__mips16_call_stub_dc_1): New.
4071 (__mips16_call_stub_dc_5): New.
4072 (__mips16_call_stub_dc_2): New.
4073 (__mips16_call_stub_dc_6): New.
4074 (__mips16_call_stub_dc_9): New.
4075 (__mips16_call_stub_dc_10): New.
4077 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
4078 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
4079 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
4081 2007-05-23 Ian Lance Taylor <iant@google.com>
4083 * doc/invoke.texi (Invoking GCC): Document that the order of the
4086 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
4089 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
4090 * config/score/predicate.md (const_pow2, const_npow2): Remove.
4091 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
4095 * config/score/score.c (score_print_operand): Make sure that only
4096 lower bits are used.
4098 2007-05-22 Ian Lance Taylor <iant@google.com>
4100 * tree-vrp.c (avoid_overflow_infinity): New static function,
4101 broken out of set_value_range_to_value.
4102 (set_value_range_to_value): Call avoid_overflow_infinity.
4103 (extract_range_from_assert): Likewise.
4105 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
4108 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
4109 change the type before looking for a COMPOUND_EXPR.
4111 2007-05-22 Ian Lance Taylor <iant@google.com>
4113 * lower-subreg.c (decompose_multiword_subregs): If we change an
4114 insn, call remove_retval_note on it.
4116 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4118 * regs.h (end_hard_regno): New function.
4119 (END_HARD_REGNO, END_REGNO): New macros.
4120 (add_to_hard_reg_set): New function.
4121 (remove_from_hard_reg_set): Likewise.
4122 (in_hard_reg_set_p): Likewise.
4123 (overlaps_hard_reg_set_p): Likewise.
4124 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
4125 (note_btr_set): Use END_HARD_REGNO.
4126 * caller-save.c (setup_save_areas): Use end_hard_regno.
4127 (mark_set_regs): Use END_HARD_REGNO.
4128 (add_stored_regs): Use end_hard_regno.
4129 (mark_referenced_regs): Use add_to_hard_reg_set.
4130 * combine.c (update_table_tick): Use END_REGNO.
4131 (record_value_for_reg): Likewise.
4132 (record_dead_and_set_regs): Likewise.
4133 (get_last_value_validate): Likewise.
4134 (use_crosses_set_p): Likewise.
4135 (reg_dead_at_p_1): Likewise.
4136 (reg_dead_at_p): Likewise.
4137 (mark_used_regs_combine): Use add_to_hard_reg_set.
4138 (move_deaths): Use END_HARD_REGNO.
4139 (reg_bitfield_target_p): Use end_hard_regno.
4140 (distribute_notes): Use END_HARD_REGNO.
4141 * cse.c (mention_regs): Use END_REGNO.
4142 (insert): Use add_to_hard_reg_set.
4143 (invalidate): Use END_HARD_REGNO.
4144 (invalidate_for_call): Likewise.
4145 (exp_equiv_p): Use END_REGNO.
4146 (cse_insn): Likewise.
4147 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
4148 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
4149 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
4150 * function.c (keep_stack_depressed): Use end_hard_regno.
4151 * global.c (global_alloc): Use end_hard_regno.
4152 (global_conflicts): Use add_to_hard_reg_set instead of
4154 (find_reg): Likewise.
4155 (mark_reg_store): Likewise.
4156 (mark_reg_conflicts): Likewise.
4157 (mark_reg_death): Use remove_from_hard_reg_set.
4158 (mark_reg_live_nc): Delete.
4159 (set_preference): Use end_hard_regno.
4160 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
4161 remove_from_hard_reg_set.
4162 (post_mark_life): Use add_to_hard_reg_set.
4163 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
4164 (reg_becomes_live): Use add_to_hard_reg_set.
4165 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
4166 (peep2_find_free_register): Use add_to_hard_reg_set.
4167 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
4168 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
4169 * regrename.c (note_sets): Use add_to_hard_reg_set.
4170 (clear_dead_regs): Use remove_from_hard_reg_set.
4171 (regrename_optimize): Use add_to_hard_reg_set.
4172 (find_oldest_value_reg): Use in_hard_reg_set_p.
4173 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
4174 (hard_reg_set_here_p): Use end_hard_regno.
4175 (decompose): Likewise.
4176 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
4177 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
4178 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
4179 (mark_home_live): Use end_hard_regno.
4180 (spill_hard_reg): Likewise.
4181 (clear_reload_reg_in_use): Likewise.
4182 * reorg.c (delete_prior_computation): Use END_REGNO.
4183 * resource.c (update_live_status): Use END_HARD_REGNO.
4184 (mark_referenced_resources): Use add_to_hard_reg_set.
4185 (mark_set_resources): Likewise.
4186 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
4187 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
4188 (reg_overlap_mentioned_p): Likewise.
4189 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
4190 (covers_regno_no_parallel_p): Use END_REGNO.
4191 (find_regno_note): Likewise.
4192 (find_reg_fusage): Use END_HARD_REGNO.
4193 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
4194 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
4196 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4198 * mode-switching.c (reg_dies): Change type of second argument to
4200 (optimize_mode_switching): Update accordingly.
4202 2007-05-22 Richard Sandiford <richard@codesourcery.com>
4204 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
4206 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
4207 (hard_reg_set_empty_p): ...these new functions.
4208 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
4209 GO_IF_HARD_REG_SUBSET.
4210 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
4211 instead of GO_IF_HARD_REG_EQUAL.
4212 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
4213 instead of GO_IF_HARD_REG_EQUAL.
4214 * global.c (find_reg): Use hard_reg_set_empty_p instead of
4215 GO_IF_HARD_REG_SUBSET.
4216 (modify_reg_pav): Use hard_reg_set_empty_p instead of
4217 GO_IF_HARD_REG_EQUAL.
4218 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
4219 of GO_IF_HARD_REG_SUBSET.
4220 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
4221 instead of GO_IF_HARD_REG_EQUAL.
4222 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
4223 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
4224 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
4225 of GO_IF_HARD_REG_SUBSET,
4226 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
4227 GO_IF_HARD_REG_SUBSET.
4228 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
4229 instead of GO_IF_HARD_REG_EQUAL.
4230 * config/sh/sh.c (push_regs, calc_live_regs): Use
4231 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
4232 (hard_regs_intersect_p): Delete.
4234 2007-05-22 Janis Johnson <janis187@us.ibm.com>
4236 * doc/sourcebuild.texi (Test Directives) Add dg-message.
4238 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
4239 Richard Henderson <rth@redhat.com>
4241 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
4243 (x86_64-*-*): Likewise.
4245 * i386/i386-modes.def (V2QI): New.
4247 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
4249 (override_options): Support SSE4.1.
4250 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
4251 (IX86_BUILTIN_BLENDPS): Likewise.
4252 (IX86_BUILTIN_BLENDVPD): Likewise.
4253 (IX86_BUILTIN_BLENDVPS): Likewise.
4254 (IX86_BUILTIN_PBLENDVB128): Likewise.
4255 (IX86_BUILTIN_PBLENDW128): Likewise.
4256 (IX86_BUILTIN_DPPD): Likewise.
4257 (IX86_BUILTIN_DPPS): Likewise.
4258 (IX86_BUILTIN_INSERTPS128): Likewise.
4259 (IX86_BUILTIN_MOVNTDQA): Likewise.
4260 (IX86_BUILTIN_MPSADBW128): Likewise.
4261 (IX86_BUILTIN_PACKUSDW128): Likewise.
4262 (IX86_BUILTIN_PCMPEQQ): Likewise.
4263 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
4264 (IX86_BUILTIN_PMAXSB128): Likewise.
4265 (IX86_BUILTIN_PMAXSD128): Likewise.
4266 (IX86_BUILTIN_PMAXUD128): Likewise.
4267 (IX86_BUILTIN_PMAXUW128): Likewise.
4268 (IX86_BUILTIN_PMINSB128): Likewise.
4269 (IX86_BUILTIN_PMINSD128): Likewise.
4270 (IX86_BUILTIN_PMINUD128): Likewise.
4271 (IX86_BUILTIN_PMINUW128): Likewise.
4272 (IX86_BUILTIN_PMOVSXBW128): Likewise.
4273 (IX86_BUILTIN_PMOVSXBD128): Likewise.
4274 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
4275 (IX86_BUILTIN_PMOVSXWD128): Likewise.
4276 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
4277 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
4278 (IX86_BUILTIN_PMOVZXBW128): Likewise.
4279 (IX86_BUILTIN_PMOVZXBD128): Likewise.
4280 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
4281 (IX86_BUILTIN_PMOVZXWD128): Likewise.
4282 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
4283 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
4284 (IX86_BUILTIN_PMULDQ128): Likewise.
4285 (IX86_BUILTIN_PMULLD128): Likewise.
4286 (IX86_BUILTIN_ROUNDPD): Likewise.
4287 (IX86_BUILTIN_ROUNDPS): Likewise.
4288 (IX86_BUILTIN_ROUNDSD): Likewise.
4289 (IX86_BUILTIN_ROUNDSS): Likewise.
4290 (IX86_BUILTIN_PTESTZ): Likewise.
4291 (IX86_BUILTIN_PTESTC): Likewise.
4292 (IX86_BUILTIN_PTESTNZC): Likewise.
4293 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
4294 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
4295 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
4296 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
4297 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
4299 (bdesc_sse_3arg): Likewise.
4300 (bdesc_2arg): Likewise.
4301 (bdesc_1arg): Likewise.
4302 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
4304 (ix86_expand_sse_4_operands_builtin): New.
4305 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
4306 smaller than 8 bits as the 2nd arg.
4307 (ix86_expand_sse_ptest): New.
4308 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
4309 (ix86_expand_vector_set): Support SSE4.1.
4310 (ix86_expand_vector_extract): Likewise.
4312 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
4313 __SSE4_1__ for -msse4.1.
4315 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
4316 (UNSPEC_INSERTPS): Likewise.
4317 (UNSPEC_DP): Likewise.
4318 (UNSPEC_MOVNTDQA): Likewise.
4319 (UNSPEC_MPSADBW): Likewise.
4320 (UNSPEC_PHMINPOSUW): Likewise.
4321 (UNSPEC_PTEST): Likewise.
4322 (UNSPEC_ROUNDP): Likewise.
4323 (UNSPEC_ROUNDS): Likewise.
4325 * config/i386/i386.opt (msse4.1): New for SSE4.1.
4327 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
4328 (const_pow2_1_to_32768_operand): Likewise.
4330 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
4333 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
4335 (sse4_1_insertps): Likewise.
4336 (*sse4_1_extractps): Likewise.
4337 (sse4_1_ptest): Likewise.
4338 (sse4_1_mulv2siv2di3): Likewise.
4339 (*sse4_1_mulv4si3): Likewise.
4340 (*sse4_1_smax<mode>3): Likewise.
4341 (*sse4_1_umax<mode>3): Likewise.
4342 (*sse4_1_smin<mode>3): Likewise.
4343 (*sse4_1_umin<mode>3): Likewise.
4344 (sse4_1_eqv2di3): Likewise.
4345 (*sse4_1_pinsrb): Likewise.
4346 (*sse4_1_pinsrd): Likewise.
4347 (*sse4_1_pinsrq): Likewise.
4348 (*sse4_1_pextrb): Likewise.
4349 (*sse4_1_pextrb_memory): Likewise.
4350 (*sse4_1_pextrw_memory): Likewise.
4351 (*sse4_1_pextrq): Likewise.
4352 (sse4_1_blendpd): Likewise.
4353 (sse4_1_blendps): Likewise.
4354 (sse4_1_blendvpd): Likewise.
4355 (sse4_1_blendvps): Likewise.
4356 (sse4_1_dppd): Likewise.
4357 (sse4_1_dpps): Likewise.
4358 (sse4_1_movntdqa): Likewise.
4359 (sse4_1_mpsadbw): Likewise.
4360 (sse4_1_packusdw): Likewise.
4361 (sse4_1_pblendvb): Likewise.
4362 (sse4_1_pblendw): Likewise.
4363 (sse4_1_phminposuw): Likewise.
4364 (sse4_1_extendv8qiv8hi2): Likewise.
4365 (*sse4_1_extendv8qiv8hi2): Likewise.
4366 (sse4_1_extendv4qiv4si2): Likewise.
4367 (*sse4_1_extendv4qiv4si2): Likewise.
4368 (sse4_1_extendv2qiv2di2): Likewise.
4369 (*sse4_1_extendv2qiv2di2): Likewise.
4370 (sse4_1_extendv4hiv4si2): Likewise.
4371 (*sse4_1_extendv4hiv4si2): Likewise.
4372 (sse4_1_extendv2hiv2di2): Likewise.
4373 (*sse4_1_extendv2hiv2di2): Likewise.
4374 (sse4_1_extendv2siv2di2): Likewise.
4375 (*sse4_1_extendv2siv2di2): Likewise.
4376 (sse4_1_zero_extendv8qiv8hi2): Likewise.
4377 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
4378 (sse4_1_zero_extendv4qiv4si2): Likewise.
4379 (*sse4_1_zero_extendv4qiv4si2): Likewise.
4380 (sse4_1_zero_extendv2qiv2di2): Likewise.
4381 (*sse4_1_zero_extendv2qiv2di2): Likewise.
4382 (sse4_1_zero_extendv4hiv4si2): Likewise.
4383 (*sse4_1_zero_extendv4hiv4si2): Likewise.
4384 (sse4_1_zero_extendv2hiv2di2): Likewise.
4385 (*sse4_1_zero_extendv2hiv2di2): Likewise.
4386 (sse4_1_zero_extendv2siv2di2): Likewise.
4387 (*sse4_1_zero_extendv2siv2di2): Likewise.
4388 (sse4_1_roundpd): Likewise.
4389 (sse4_1_roundps): Likewise.
4390 (sse4_1_roundsd): Likewise.
4391 (sse4_1_roundss): Likewise.
4392 (mulv4si3): Don't expand for SSE4.1.
4393 (smax<mode>3): Likewise.
4394 (umaxv4si3): Likewise.
4395 (uminv16qi3): Likewise.
4396 (umin<mode>3): Likewise.
4397 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
4399 * doc/extend.texi: Document SSE4.1 built-in functions.
4401 * doc/invoke.texi: Document -msse4.1.
4403 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
4405 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
4406 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
4407 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
4408 (ASM_SPEC): Add asm_pcrel_spec.
4409 (EXTRA_SPECS): Add asm_pcrel_spec.
4411 2007-05-21 David Daney <ddaney@avtrex.com>
4413 * doc/install.texi (Building a cross compiler): Add requirements
4414 for Java cross compiler.
4416 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
4419 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
4420 Add loopno argument. Use evolution_function_is_invariant_rec_p
4421 instead of evolution_function_is_constant_p.
4422 Update calls to evolution_function_is_affine_multivariate_p.
4423 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
4424 Add loopno argument.
4425 * tree-scalar-evolution.c (gather_chrec_stats): Call
4426 evolution_function_is_affine_multivariate_p with a loop
4428 * tree-data-ref.c (analyze_miv_subscript): Likewise.
4429 (analyze_overlapping_iterations): Likewise.
4430 (access_functions_are_affine_or_constant_p): Likewise.
4431 (build_classic_dist_vector_1): If the access functions
4432 are equal, don't do anything.
4434 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
4435 Paolo Carlini <pcarlini@suse.de>
4436 Uros Bizjak <ubizjak@gmail.com>
4438 * c-cppbuiltin.c (c_cpp_builtins): Define
4439 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
4440 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
4441 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
4442 * doc/cpp.texi ([Standard Predefined Macros]): Document.
4444 2007-05-21 Mike Stump <mrs@apple.com>
4446 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
4448 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
4450 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
4452 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
4453 implementation if __OPTIMIZE__ is not defined.
4454 (_mm_alignr_pi8): Ditto.
4455 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4456 (_mm_inserti_si64): Ditto.
4457 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4458 (_mm_slli_epi16): Ditto.
4459 (_mm_slli_epi32): Ditto.
4460 (_mm_slli_epi64): Ditto.
4461 (_mm_srai_epi16): Ditto.
4462 (_mm_srai_epi32): Ditto.
4463 (_mm_srli_si128): Ditto.
4464 (_mm_slli_si128): Ditto.
4465 (_mm_srli_epi16): Ditto.
4466 (_mm_srli_epi32): Ditto.
4467 (_mm_srli_epi64): Ditto.
4468 (_mm_extract_epi16): Ditto.
4469 (_mm_insert_epi16): Ditto.
4470 (_mm_shufflehi_epi16): Ditto.
4471 (_mm_shufflelo_epi16): Ditto.
4472 (_mm_shuffle_epi32): Ditto.
4473 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
4475 (_mm_insert_pi16): Ditto.
4477 (_mm_shuffle_pi16): Ditto.
4479 (_mm_shufle_ps): Ditto.
4480 (_mm_prefetch): Ditto.
4482 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
4484 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
4485 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
4486 * real.c (encode_i370_single, decode_i370_single,
4487 encode_i370_double, decode_i370_double): Functions removed.
4488 (i370_single_format, i370_double_format): Initializations removed.
4489 (real_maxval, round_for_format, exact_real_truncate, significand_size):
4490 Consider the log2_b field to always be one.
4491 (ieee_single_format, mips_single_format, coldfire_single_format,
4492 ieee_double_format, mips_double_format, coldfire_double_format,
4493 ieee_extended_motorola_format, ieee_extended_intel_96_format,
4494 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
4495 ibm_extended_format, mips_extended_format, ieee_quad_format,
4496 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
4497 decimal_single_format, decimal_double_format, decimal_quad_format,
4498 c4x_single_format, c4x_extended_format, real_internal_format): Remove
4499 initialization of log2_b.
4500 * real.h (i370_single_format, i370_double_format): Declarations removed.
4501 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
4502 field to always be one.
4504 2007-05-21 Andreas Schwab <schwab@suse.de>
4506 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
4507 NOTE_INSN_BASIC_BLOCK_P.
4508 (process_for_unwind_directive): Likewise.
4510 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
4512 * builtins.c (expand_builtin_setjmp_setup): Update comment.
4513 * function.h (struct function): Move va_list_gpr_size,
4514 va_list_fpr_size, function_frequency to front of bitfields. Add
4516 (current_function_calls_unwind_init): New.
4517 * except.c (expand_builtin_unwind_init): Set
4518 current_function_calls_unwind_init not
4519 current_function_has_nonlocal_label.
4520 * reload1.c (has_nonexceptional_receiver): New.
4521 (reload): Use it and current_function_calls_unwind_init to
4522 determine whether call-saved regs must be saved.
4524 2007-05-20 Jan Hubicka <jh@suse.cz>
4526 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
4527 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4528 * ddg.c (create_ddg): LIkewise.
4529 * final.c (final): Remove hunk moving line numbernotes around since
4530 they are no longer present at this stage.
4531 (final_scan_insn): Use NOTE_KIND instead of
4532 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4533 (output_asm_label): Likewise.
4534 * reorg.c (dbr_schedule): Likewise.
4535 * haifa-sched.c (unlink_other_notes): Likewise.
4536 * mode-switching.c (optimize_mode_switching): Likewise.
4537 * graph.c (start_bb): Likewise.
4538 * rtl.def (NOTE): Update description.
4539 * jump.c (squeeze_notes): Delete.
4540 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
4541 NOTE_INSN_BASIC_BLOCK_P when possible.
4542 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
4543 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
4544 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4545 (dwarf2out_var_location): Likewise.
4546 * cfgbuild.c (make_edges): Likewise.
4547 (find_basic_blocks_1): Likewise.
4548 * function.c (reorder_blocks_1): Likewise.
4549 (epilogue_done): Likewise.
4550 (reposition_prologue_and_epilogue_notes): Likewise.
4551 * print-rtl.c (print_rtx): Likewise; drop code for printing line number
4553 (print_rtl): Likewise.
4554 (print_rtl_single): Likewise.
4555 * gcse.c (insert_insn_start_bb): Likewise.
4556 * alias.c (init_alias_analysis): Likewise.
4557 * calls.c (fixup_tail_calls): Likewise.
4558 * except.c (sjlj_emit_function_enter): Likewise.
4559 * emit-rtl.c (add_insn_after): Likeiwse.
4560 (emit_label_before): Likewise.
4561 (emit_label_after): Likewise.
4562 (emit_note_before, emit_note_after, emit_note): Update
4563 parameter to be enum insn_note; do not deal with source
4565 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
4566 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
4568 (merge_blocks_move_successor_nojumps): Simplify now when
4569 we don't have BLOCK notes.
4570 (try_optimize_cfg): Likewise.
4571 * cfglayout.c (skip_insns_after_block): Likewise.
4572 (record_effective_endpoints): Likewise.
4573 (duplicate_insn_chain): Likewise.
4574 * varasm.c (output_constant_pool_1): Likewise.
4575 * sched-deps.c (sched_analyze): Likewise.
4576 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
4578 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
4579 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
4580 (SET_INSN_DELETED): Simplify.
4581 (NOTE_LINE_NUMBER): Exterminate.
4582 (NOTE_LINE_KIND): New.
4583 (NOTE_INSN_BASIC_BLOCK_P): Update.
4584 (enum insn_note): Simplify.
4585 (GET_NOTE_INSN_NAME) Simplify.
4586 (emit_note_before, emit_note_after, emit_note): Update prototype.
4587 (squeeze_notes): Remove.
4588 * sched-int.h (NOTE_NOT_BB_P): Update.
4589 * resource.c (mark_target_live_regs): Update.
4590 * sched-rgn.c (debug_dependencies): Update.
4591 * sched-vis.c (print_insn): Update.
4592 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
4593 * config/i386/i386.c (ix86_output_function_epilogue): Update.
4594 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
4595 (TARGET_ADJUST_UNROLL_MAX): Likewise.
4596 (split_branches): Update.
4597 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
4599 (sh_adjust_unroll_max): Exterminate.
4600 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
4601 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
4602 (m68hc11_reorg): Likewise.
4603 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
4604 (emit_predicate_relation_info): Update.
4605 (process_for_unwind_directive): Update.
4606 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
4607 (output_call): Update.
4608 * config/pa/pa.c (output_lbranch): Update.
4609 (output_millicode_call): Update.
4610 (output_call): Update.
4611 (pa_combine_instructions): Update.
4612 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
4613 * config/bfin/bfin.c (gen_one_bundle): Update.
4614 * cfgrtl.c (can_delete_note_p): Update.
4615 (delete_insn): Update.
4616 (rtl_merge_blocks): Update.
4617 (commit_one_edge_insertion): Update.
4618 (rtl_verify_flow_info): Update.
4619 * stmt.c (expand_case): Do not call squeeze_notes.
4621 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4628 * c.opt (Wtype-limits): New.
4629 * doc/invoke.texi (Wtype-limits): Document it.
4630 (Wextra): Enabled by -Wextra.
4631 * c-opts.c (c_common_post_options): Enabled by -Wextra.
4632 * c-common.c (shorten_compare): Warn with Wtype-limits.
4634 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4636 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
4637 inlined function, not as a macro.
4638 (_mm_alignr_pi8): Ditto.
4639 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4640 (_mm_inserti_si64): Ditto.
4641 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4642 (_mm_extract_epi16): Ditto.
4643 (_mm_insert_epi16): Ditto.
4644 (_mm_shufflehi_epi16): Ditto.
4645 (_mm_shufflelo_epi16): Ditto.
4646 (_mm_shuffle_epi32): Ditto.
4647 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
4648 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
4650 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
4652 (_m_to_float): Use C89 compatible assignment.
4654 2007-04-20 Martin Michlmayr <tbm@cyrius.com>
4657 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
4659 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4662 * doc/invoke.texi (Wreturn-type): Complete description.
4663 (Wextra): Delete item about return-type warning.
4664 * c-decl.c: Delete redundant Wextra warning.
4666 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4669 * config/i386/pmmintrin.h: Do not include xmmintrin.h
4670 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
4671 inlined function, not as a macro.
4672 (_mm_prefetch): Ditto.
4674 (_mm_insert_pi16): Ditto.
4676 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
4677 (_m_pshufw): Ditto. Add const to __N argument.
4678 (_mm_shufle_ps): Ditto. Add const to __mask argument.
4679 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
4680 (_mm_slli_epi32): Ditto.
4681 (_mm_srli_si128): Implement as always inlined function, not as a macro.
4682 Add __inline to function declaration.
4683 (_mm_slli_si128): Ditto.
4685 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
4687 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
4688 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
4690 (struct fenv): New structure.
4691 (FP_HANDLE_EXCEPTIONS): New define.
4692 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
4693 (_FP_DECL_EXP): New define.
4694 (FP_INIT_ROUNDMODE): New define.
4695 (FP_ROUNDMODE): New define.
4697 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4699 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
4700 (Wconversion): Update description.
4701 (Wconversion-sign): New.
4702 * c.opt (Wconversion-sign): New.
4703 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
4704 means disabled for C++. Otherwise, take the status of Wconversion.
4705 * c-common.c (conversion_warning): Warn with either Wconversion or
4707 (warnings_for_convert_and_check): Conditions are already checked by
4709 (convert_and_check): Don't check warnings if the conversion failed.
4711 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
4712 Anatoly Sokolov <aesok@dol.ru>
4714 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
4715 avr_epilogue_uses) : Add declaration.
4716 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
4717 * config/avr/constraints.md (R): New constraint.
4718 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
4719 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
4720 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
4721 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
4722 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
4723 call_prologue_saves, epilogue_restores, return_from_epilogue,
4724 return_from_main_epilogue, return_from_interrupt_epilogue,
4725 return_from_naked_epilogue, prologue, epilogue): New patterns.
4726 (jump): Handle symbol reference.
4727 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
4728 avr_output_function_prologue, avr_output_function_epilogue): Remove
4730 (avr_init_machine_status, expand_prologue, expand_epilogue,
4731 avr_asm_function_end_prologue, avr_epilogue_uses,
4732 avr_asm_function_begin_epilogue): New functions.
4733 (prologue_size, epilogue_size, jump_tables_size): Remove global
4735 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
4736 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
4737 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
4738 (avr_override_options): Initialise init_machine_status.
4739 (output_movhi): Handle all stack pointer loads.
4740 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
4741 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
4742 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
4743 (EPILOGUE_USES) Redefine.
4744 (machine_function) Declare.
4746 2007-05-19 Richard Sandiford <richard@codesourcery.com>
4748 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
4749 Use a single return statement.
4751 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4754 * builtins.c (do_mpfr_lgamma_r): New.
4755 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
4756 * tree.h (CASE_FLT_FN_REENT): New.
4758 2007-05-18 Geoffrey Keating <geoffk@apple.com>
4760 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
4761 (output_die): Use 'unsigned long' with %x.
4762 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
4763 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
4764 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
4766 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
4768 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
4773 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
4774 true if function has no argument.
4776 2007-05-18 DJ Delorie <dj@redhat.com>
4778 * config/mips/mips.c (mips_offset_within_alignment_p): New.
4779 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
4781 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4783 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
4784 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
4785 count_trailing_zeros.
4786 (__i386__): Implement count_leading_zeros using __builtin_clz().
4787 Implement count_trailing_zeros usign __builtin_ctz().
4789 2007-05-18 Richard Sandiford <richard@codesourcery.com>
4791 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
4793 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4796 * expr.c (emit_move_change_mode): Change mode of push operands here.
4798 2007-05-17 Ian Lance Taylor <iant@google.com>
4800 PR tree-optimization/31953
4801 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
4803 (set_value_range_to_null): Call set_value_range_to_value.
4804 (extract_range_from_comparison): Likewise.
4806 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4808 * toplev.c (print_version): Output GMP/MPFR version info.
4810 * builtins.c (CASE_MATHFN_REENT): New macro.
4811 (mathfn_built_in): Use it.
4812 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
4813 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
4814 BUILT_IN_LGAMMAL_R): New.
4815 * doc/extend.texi: Document new builtins.
4818 * builtins.c (do_mpfr_remquo): New.
4819 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
4820 (fold_builtin_3): Handle BUILT_IN_REMQUO.
4823 * builtins.c (fold_builtin_1): Handle y0, y1.
4824 (fold_builtin_2): Handle yn.
4827 * builtins.c (do_mpfr_bessel_n): New.
4828 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
4829 (fold_builtin_2): Handle BUILT_IN_JN.
4831 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
4834 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
4835 TYPE_PRECISION (intmax_type_node).
4837 2007-05-17 Steve Ellcey <sje@cup.hp.com>
4840 * reload.c (subst_reloads): Remove checking.
4842 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4844 PR rtl-optimization/31691
4845 * combine.c (simplify_set): Build a new src pattern instead of
4846 substituting its operands in the COMPARE case.
4848 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4850 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
4851 (execute_vrp): Preserve loops through jump threading.
4852 * tree-ssa-threadupdate.c (thread_single_edge,
4853 dbds_continue_enumeration_p, determine_bb_domination_status,
4854 thread_through_loop_header): New functions.
4855 (create_edge_and_update_destination_phis,
4856 create_edge_and_update_destination_phis): Set loops for the new blocks.
4857 (prune_undesirable_thread_requests): Removed.
4858 (redirect_edges): Do not pretend that redirect_edge_and_branch can
4860 (thread_block): Do not call prune_undesirable_thread_requests.
4862 (mark_threaded_blocks): Select edges to thread here.
4863 (thread_through_all_blocks): Take may_peel_loop_headers argument.
4864 Thread edges through loop headers independently.
4865 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
4866 * tree-pass.h (TODO_mark_first_instance): New.
4867 (first_pass_instance): Declare.
4868 * cfghooks.c (duplicate_block): Put the block to the original loop
4869 if copy is not specified.
4870 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
4871 jump threading. Pass may_peel_loop_headers to
4872 thread_through_all_blocks according to first_pass_instance.
4873 * cfgloop.h (create_preheader): Declare.
4874 * tree-flow.h (thread_through_all_blocks): Declaration changed.
4875 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
4876 * passes.c (first_pass_instance): New variable.
4877 (next_pass_1): Set TODO_mark_first_instance.
4878 (execute_todo): Set first_pass_instance.
4880 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
4882 PR tree-optimization/24659
4883 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
4884 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
4885 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
4886 OTI_vec_pack_ufix_trunc.
4887 (vec_unpacks_float_hi_optab): Define new macro.
4888 (vec_unpacks_float_lo_optab): Ditto.
4889 (vec_unpacku_float_hi_optab): Ditto.
4890 (vec_unpacku_float_lo_optab): Ditto.
4891 (vec_pack_sfix_trunc_optab): Ditto.
4892 (vec_pack_ufix_trunc_optab): Ditto.
4893 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
4894 and vec_pack_[s|u]fix_trunc_optab using
4895 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
4896 * tree-vectorizer.c (supportable_widening_operation): Handle
4897 FLOAT_EXPR and CONVERT_EXPR. Update comment.
4898 (supportable_narrowing_operation): New function.
4899 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
4900 * tree-vect-transform.c (vectorizable_conversion): Handle
4901 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
4902 (vect_gen_widened_results_half): Move before vectorizable_conversion.
4903 (vectorizable_type_demotion): Call supportable_narrowing_operation()
4904 to check for target support.
4905 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
4906 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
4907 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
4908 for VEC_PACK_FIX_TRUNC_EXPR.
4909 (expand_binop): Special case mode of the result for
4910 vec_pack_[u|s]fix_trunc_optab.
4911 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
4912 vec_pack_[u|s]fix_trunc_optab.
4914 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
4915 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
4916 * tree-pretty-print.c (dump_generic_node): Handle
4917 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
4918 VEC_PACK_FIX_TRUNC_EXPR.
4920 * expr.c (expand_expr_real_1): Ditto.
4921 * tree-inline.c (estimate_num_insns_1): Ditto.
4922 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
4924 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
4925 (vec_unpacks_float_lo_v8hi): Ditto.
4926 (vec_unpacku_float_hi_v8hi): Ditto.
4927 (vec_unpacku_float_lo_v8hi): Ditto.
4928 (vec_unpacks_float_hi_v4si): Ditto.
4929 (vec_unpacks_float_lo_v4si): Ditto.
4930 (vec_pack_sfix_trunc_v2df): Ditto.
4932 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
4934 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
4935 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
4936 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
4937 [vec_pack_ufix_trunc]: Ditto.
4938 [vec_unpacks_float_hi]: Ditto.
4939 [vec_unpacks_float_lo]: Ditto.
4940 [vec_unpacku_float_hi]: Ditto.
4941 [vec_unpacku_float_lo]: Ditto.
4943 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
4945 * soft-fp/README: Update for new files.
4946 * soft-fp/floattisf.c: New file.
4947 * soft-fp/floattidf.c: New file.
4948 * soft-fp/floattitf.c: New file.
4949 * soft-fp/floatuntisf.c: New file.
4950 * soft-fp/floatuntidf.c: New file.
4951 * soft-fp/floatuntitf.c: New file.
4952 * soft-fp/fixsfti.c: New file.
4953 * soft-fp/fixdfti.c: New file.
4954 * soft-fp/fixtfti.c: New file.
4955 * soft-fp/fixunssfti.c: New file.
4956 * soft-fp/fixunsdfti.c: New file.
4957 * soft-fp/fixunstfti.c: New file.
4958 * soft-fp/extendxftf.c: New file.
4959 * soft-fp/trunctfxf.c: New file.
4961 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
4962 (__trunctfxf2): Ditto.
4964 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
4965 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
4966 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
4967 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
4968 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
4969 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
4971 * config/i386/t-fprules-softfp64: New file.
4972 * config/i386/sfp-machine.h: New file.
4973 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
4974 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
4975 and soft-fp/t-softfp to tmake_file.
4976 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
4977 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
4979 * config/i386/t-linux64 (softfp_wrap_start): New.
4980 (softfp_wrap_end): New.
4981 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
4982 supported for TARGET_64BIT.
4984 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
4986 * c-common.c (c_common_signed_or_unsigned_type): Emulate
4987 c_common_unsigned_type behavior.
4989 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
4991 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
4994 2007-05-16 Eric Christopher <echristo@apple.com>
4996 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
4997 saving after stack push. Set sp_offset whenever we push.
4998 (rs6000_emit_epilogue): Move altivec register restore before
5001 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5003 * configure.ac: Allow sysroots to be relocated under $prefix as
5004 well as $exec_prefix.
5005 * configure: Regenerate.
5007 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5011 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5013 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5014 (gcc_tooldir): Likewise.
5015 * configure: Regenerate.
5016 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5017 old configure.ac gcc_tooldir setting.
5018 (prefix_to_exec_prefix): New variable.
5019 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5020 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5022 2007-05-14 Janis Johnson <janis187@us.ibm.com>
5024 * c-typeck.c (build_binary_op): Return early for error.
5026 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5028 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
5029 struct nb_iter_bound.
5030 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
5031 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
5032 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
5033 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
5034 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
5035 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
5036 (del_scev_info): Use ggc_free.
5037 (scev_initialize): Allocate scalar_evolution_info in gc memory.
5038 * loop-init.c: Include ggc.h.
5039 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
5040 (loop_optimizer_finalize): Use ggc_free.
5041 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
5042 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
5043 pass_iv_optimize): Add TODO_ggc_collect.
5044 * function.h (struct function): Remove skip marker from x_current_loops.
5045 * cfgloop.c: Include ggc.h.
5046 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
5048 (establish_preds): Vector superloops is gc allocated.
5049 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
5051 (flow_loops_find): Vector larray is gc allocated.
5052 (loop_exit_free): Use ggc_free.
5053 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
5054 that head of exits list is now not a part of struct loop.
5055 (record_loop_exits): Allocate exits table in gc memory.
5056 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
5057 head of exits list is now not a part of struct loop.
5058 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
5059 struct loop_exit): Add GTY marker.
5060 (struct loop): Add GTY marker. Make superloops vector gc allocated.
5061 Add skip marker to aux field. Make head of exits list a separate
5063 (struct loops): Add GTY marker. Make larray vector gc allocated.
5064 Add param marker to exits table.
5065 (get_loops): Type changed.
5066 * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
5068 (cfgloop.o, loop-init.o): Add ggc.h dependency.
5069 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
5070 * basic-block.h (struct basic_block_def): Remove skip marker from
5073 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
5075 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
5076 of 0 in the call to expand_expr().
5077 (expand_builtin_mathfn_3): Ditto.
5078 (expand_builtin_interclass_mathfn): Ditto.
5079 (expand_builtin_cexpi): Ditto.
5080 (expand_builtin_int_roundingfn): Ditto.
5081 (expand_builtin_int_roundingfn_2): Ditto.
5082 (expand_builtin_pow): Ditto.
5083 (expand_builtin_powi): Ditto.
5084 (expand_builtin_bswap): Ditto.
5085 (expand_builtin_unop): Ditto.
5086 (expand_builtin_fabs): Ditto.
5087 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
5088 the call to expand_expr().
5089 (expand_builtin_sync_operation): Ditto.
5090 (expand_builtin_compare_and_swap): Ditto.
5091 (expand_builtin_lock_test_and_set): Ditto.
5092 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
5093 instead of 0 in the call to expand_expr().
5094 (expand_builtin_extract_return_addr): Ditto.
5095 (expand_builtin_eh_return): Ditto.
5096 (expand_eh_return): Ditto.
5097 * explow.c (expr_size): Ditto.
5098 * expr.c (optimize_bitfield_assignment_op): Ditto.
5099 (expand_assignement): Ditto.
5100 (store_expr): Ditto.
5101 (store_field): Ditto.
5102 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
5103 the call to expand_expr().
5104 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
5105 in the call to expand_expr().
5106 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
5107 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
5108 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
5110 * optabs.c (expand_vec_shift_expr): Ditto.
5111 (expand_vec_cond_expr): Ditto.
5112 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
5113 call to expand_expr().
5114 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
5115 in the call to expand_expr().
5117 2007-05-14 Dave Korn <dave.korn@artimi.com>
5119 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
5121 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
5123 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
5124 instead of c_common_unsigned_type.
5125 (c_common_unsigned_type): Remove.
5126 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
5127 c_common_unsigned_type.
5128 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
5129 c_common_unsigned_type.
5130 * c-common.h (c_common_unsigned_type): Remove.
5131 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
5132 c_common_unsigned_type.
5133 * c-format.c (check_format_types): Use unsigned_type_for instead of
5134 c_common_unsigned_type.
5135 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5136 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
5137 c_common_unsigned_type.
5138 * convert.c (convert_to_integer): Use unsigned_type_for instead of
5139 lang_hooks.types.unsigned_type.
5140 * expmed.c (make_tree): Use unsigned_type_for instead of
5141 lang_hooks.types.unsigned_type.
5142 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
5143 lang_hooks.types.unsigned_type.
5144 (build_range_check): Likewise.
5145 (fold_unary): Likewise.
5146 (fold_binary): Likewise.
5147 (fold_ternary): Likewise.
5148 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5149 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
5150 * tree.c (get_unsigned_type): New.
5151 (unsigned_type_for): Use get_unsigned_type instead of
5152 lang_hooks.types.unsigned_type.
5154 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
5156 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
5157 to m68k_get_function_kind. Update its prototype.
5158 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
5160 (m68k_interrupt_function_p): Return enum m68k_function_type
5161 instead of bool. Rename to m68k_get_function_kind.
5162 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
5164 (m68k_compute_frame_layout): Don't mark any register for save
5165 if an interrupt_thread attribute is specified.
5166 (m68k_hard_regno_rename_ok): Update a use of
5167 m68k_interrupt_function_p.
5168 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
5169 m68k_interrupt_function_p.
5170 (m68k_function_type): New.
5171 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
5172 for a function with an interrupt_thread attribute.
5173 * doc/extend.texi: Document the interrupt_thread attribute.
5175 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
5177 Fix PR tree-optimization/31911
5178 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5179 if they didn't change the expression.
5181 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
5183 * tree-scalar-evolution.c (resolve_mixers): Exported.
5184 * tree-scalar-evolution.h (resolve_mixers): Declare.
5185 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
5186 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5187 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
5188 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
5189 init_array_ref, init_pointer_ref, analyze_indirect_ref,
5190 strip_conversion, analyze_offset_expr, address_analysis,
5191 object_analysis, analyze_offset): Removed.
5192 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
5193 split_constant_offset, canonicalize_base_object_address,
5194 object_address_invariant_in_loop_p, disjoint_objects_p,
5195 dr_may_alias_p, dr_address_invariant_p): New functions.
5196 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
5197 and dr_analyze_alias.
5198 (initialize_data_dependence_relation): Use dr_may_alias_p
5199 and object_address_invariant_in_loop_p.
5200 (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
5202 (find_data_references_in_stmt): Restrict the analysis of data references
5203 to the given loop nest.
5204 (find_data_references_in_loop): Made static. Pass loop nest to
5205 find_data_references_in_stmt.
5206 (compute_data_dependences_for_loop): Use DR_VOPS.
5207 (free_data_ref): Free DR_VOPS.
5208 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
5209 (struct innermost_loop_behavior): ... new.
5210 (struct base_object_info): Replaced by ...
5211 (struct indices): ... new.
5212 (struct dr_alias): New.
5213 (enum data_ref_type): Removed.
5214 (struct data_reference): Consist of struct innermost_loop_behavior,
5215 struct indices and struct dr_alias.
5216 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
5217 (DR_MEMTAG): Renamed to ...
5218 (DR_SYMBOL_TAG): ... this.
5219 (find_data_references_in_loop): Declaration removed.
5220 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
5221 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
5222 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
5223 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
5225 2007-05-13 Revital Eres <eres@il.ibm.com>
5227 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
5228 which walks virtual def-use chains to find redundant stores.
5229 (dse_optimize_stmt): Call it.
5231 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5233 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
5234 * passes.c (init_optimization_passes): Move pass_jump_bypass
5237 * basic-block.h (bb_has_eh_pred): Fix style issue.
5239 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5241 PR rtl-optimization/31848
5242 * loop-invariant.c (move_invariant_reg): If we move an insn
5243 with a REG_EQUAL note, and that insn is not always executed,
5244 remove the REG_EQUAL note.
5246 2007-05-12 Richard Guenther <rguenther@suse.de>
5248 PR tree-optimization/31797
5249 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
5250 propagate into a stmt that has volatile ops.
5252 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5254 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5255 (gcc_tooldir): Likewise.
5256 * configure: Regenerate.
5257 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5258 old configure.ac gcc_tooldir setting.
5259 (prefix_to_exec_prefix): New variable.
5260 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5261 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5263 2007-05-11 Silvius Rus <rus@google.com>
5265 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
5266 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
5267 * c-common.h (strict_aliasing_warning): Change return type.
5268 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
5269 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
5270 (build_c_cast): Condition call to strict_aliasing_warning.
5271 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
5272 * flags.h (set_Wstrict_aliasing): Declare.
5273 * opts.c (set_Wstrict_alising): Define, add call to.
5274 * tree-flow.h (strict_aliasing_warning_backend): Declare.
5275 * tree-ssa-alias-warnings.c: New file.
5276 * tree-ssa-alias.c (compute_may_aliases): Add call to
5277 strict_aliasing_warning_backend.
5279 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
5281 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
5282 Use loop_depth and loop_outer accessor functions.
5283 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
5284 determine_invariantness_stmt, move_computations_stmt): Ditto.
5285 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
5286 add_loop, loopify, unloop, fix_loop_structure): Ditto.
5287 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
5288 * tree-scalar-evolution.c (interpret_loop_phi,
5289 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
5290 instantiate_parameters_1, scev_const_prop): Ditto.
5291 * cfghooks.c (make_forwarder_block): Ditto.
5292 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
5293 * modulo-sched.c (loop_canon_p): Ditto.
5294 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
5295 slpeel_can_duplicate_loop_p): Ditto.
5296 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
5297 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
5298 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
5299 cancel_loop, verify_loop_structure): Ditto.
5300 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
5301 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
5302 superloops vector instead of "pred" array.
5303 (establish_preds): Take father loop as an argument. Initialize the
5305 (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
5306 initialize loop->outer.
5307 (flow_loop_tree_node_remove): Truncate the superloops vector.
5308 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
5309 "pred" merged to "superloops" vector.
5310 (loop_depth, loop_outer): New.
5311 (fel_init): Use loop_outer.
5313 2007-05-11 Jan Hubicka <jh@suse.cz>
5315 * cgraphunit.c: Include gt-cgraphunit.h
5316 (static_ctors, static_dtors): New static vars.
5317 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
5318 based on implementation in c-common.c
5319 (cgraph_finalize_function): Call record_cdtor_fn.
5320 (cgraph_optimize): Call cgraph_build_cdtor_fns.
5321 * decl.c (finish_function): Do not call c_record_cdtor_fn.
5322 (c_write_global_declarations): Do not call c_build_cdtor_fns.
5323 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
5324 build_cdtor, c_build_cdtor_fns): Remove.
5325 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
5326 c_build_cdtor_fns): Remove prototype.
5328 2007-05-11 Paolo Carlini <pcarlini@suse.de>
5331 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
5332 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
5333 * builtins.c (fold_builtin_memchr): New.
5334 (expand_builtin_memchr): Call the latter.
5335 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
5336 * doc/extend.texi ([Other built-in functions provided by GCC]):
5339 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
5341 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
5342 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
5343 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
5344 PFPO_OP1_TYPE_SHIFT): Constants added.
5345 (DFP_ALL): Mode macro defined.
5346 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
5347 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
5348 Insn definitions added.
5349 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
5350 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
5353 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
5355 PR tree-optimization/31885
5356 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
5358 (automatically_generated_chrec_p): Return false for NULL.
5360 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5362 * config/bfin/bfin.h (MOVE_RATIO): Define.
5364 2007-05-10 Richard Sandiford <richard@codesourcery.com>
5366 * config.gcc (sparc-wrs-vxworks): New target.
5367 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
5368 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
5369 * config/sparc/sparc.h: Include vxworks-dummy.h.
5370 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
5371 include LABEL_REFs too.
5372 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
5373 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
5375 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
5377 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
5378 (sparc_emit_call_insn): New function.
5379 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
5380 functions when generating VxWorks PIC.
5381 * config/sparc/sparc.md (vxworks_load_got): New pattern.
5382 (call, call_value): Use sparc_emit_call_insn instead of
5385 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5387 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
5389 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5391 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
5392 for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double
5393 instead of operand_subword.
5395 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5397 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
5398 * config/bfin/bfin.c (bfin_local_alignment): New function.
5399 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
5401 2007-05-08 Chao-ying Fu <fu@mips.com>
5403 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
5404 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
5405 (smsub_widen_optab, umsub_widen_optab): Define.
5406 * optabs.c (init_optabs): Initialize smsub_widen_optab and
5408 * genopinit.c (optabs): Fill in smsub_widen_optab and
5410 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
5411 and umsub_widen_optab to implement multiply-subtract sequences.
5412 * config/mips/mips.md (*msac<u>_di): Rename to...
5413 (<u>msubsidi4): ...this. Extend condition to include
5414 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
5415 of operand 0 to "ka" and use the three-operand form of msub<u>
5417 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
5420 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
5422 PR rtl-optimization/28011
5423 * reload.c (push_reload): Set dont_share if IN appears in OUT
5424 also when IN is a PLUS rtx.
5425 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
5428 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
5430 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
5431 call unshare_all_decls.
5432 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
5433 (unshare_all_decls): Remove.
5435 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
5438 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
5441 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
5442 Nigel Stephens <nigel@mips.com>
5444 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
5445 Update comments and all uses.
5446 (MIN_FPRS_PER_FMT): Define.
5447 * config/mips/mips.c (function_arg): Fix to correctly handle
5448 the -mips32r2 -mfp64 -mabi=32 case.
5449 (override_options): Enable use of odd-numbered registers for
5450 SFmode values on MIPS32.
5451 (mips_save_reg_p): Save whole floating-point register pair if
5452 either half is used.
5453 (compute_frame_size): Fix comment.
5455 2007-05-08 Jie Zhang <jie.zhang@analog.com>
5457 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
5458 argument of type bool.
5459 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
5460 argument. Safely select temporary P register according to it.
5461 (do_link): Change call site of add_to_reg accordingly.
5462 (do_unlink): Add epilogue_p as a fourth argument and pass it
5464 (expand_interrupt_handler_epilogue): Change call of do_unlink
5466 (bfin_expand_prologue): Add a third argument sibcall_p.
5467 * config/bfin/bfin.md (epilogue): Change call of
5468 bfin_expand_epilogue accordingly.
5469 (sibcall_epilogue): Likewise.
5470 (eh_return_internal): Likewise.
5472 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
5473 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
5474 * config/bfin/bfin.c (bfin_handle_option): Handle
5475 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
5476 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
5477 Support bf534, bf536 and bf561.
5478 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
5480 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
5483 * config/i386/i386.c (ix86_function_regparm): Process local
5484 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
5486 2007-05-07 Mike Stump <mrs@apple.com>
5488 * doc/invoke.texi (Warning Options): Document that -Wempty-body
5489 also checks for and while statements in C++.
5491 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
5493 * gcc.c (at_file_supplied): New variable.
5494 (main): Set it if we expanded argv.
5495 (do_spec_1): Pass an @-file to the linker if we were called with
5496 an @-file argument and HAVE_GNU_LD.
5497 * collect2.c (at_file_supplied): New variable.
5498 (response_file): New variable.
5499 (collect_exit): Unlink response_file if necessary.
5500 (handler): Likewise.
5501 (do_wait): Likewise.
5502 (main): Set at_file_supplied if we expanded argv.
5503 (collect_execute): Pass an @-file to subprocesses if we were called
5504 with an @-file argument.
5505 * configure.ac: Add define for HAVE_GNU_LD.
5506 * configure: Regenerate.
5507 * config.in: Regenerate.
5509 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
5511 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
5517 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
5519 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5520 (TARGET_ENCODE_SECTION_INFO): Re-define.
5521 (m32c_encode_section_info): New
5522 (function_vector_handler): New
5523 (current_function_special_page_vector): New
5524 (m32c_special_page_vector_p): New.
5525 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
5527 * config/m32c/jump.md: Added instruction JSRS for functions
5528 with attribute "function_vector".
5529 * doc/extend.texi (function_vector): Added description
5530 for M16C, M32C targets.
5532 2007-05-07 DJ Delorie <dj@redhat.com>
5535 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
5536 ashrpsi3, lshrpsi3): Update shift count constraint.
5538 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
5539 Nathan Froyd <froydnj@codesourcery.com>
5542 * c-incpath.c (add_path): Strip trailing path separators.
5544 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
5546 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
5547 Free dominance info before purging EH edges.
5548 (eliminate_degenerate_phis): Likewise.
5549 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
5551 2007-05-07 Jan Hubicka <jh@suse.cz>
5553 * gimplify.c (gimplify_expr): Do not crash when folding
5554 (void *)(int)&a + 4.
5556 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5559 * c-opts.c (lang_fortran): Make it non static.
5560 * c-common.h (lang_fortran): New prototype.
5561 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
5562 -lang-fortran option was passed by the driver.
5564 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
5566 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
5567 of ASSERT_CHECKING. Tweak message.
5569 2007-05-06 Revital Eres <eres@il.ibm.com>
5572 * loop-unroll.c (insert_var_expansion_initialization):
5573 Initialize the expansions with -zero instead of +zero.
5575 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
5577 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
5578 into pic and non-pic versions. Mark r19 as used for
5579 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
5580 for tgd_load, tld_load and tie_load .
5581 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
5582 version of tgd_load, tld_load and tie_load depending on the
5585 2007-05-04 Ulrich Drepper <drepper@redhat.com>
5586 Jakub Jelinek <jakub@redhat.com>
5588 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
5589 (__do_global_dtors_aux): Use more paranoid loop to run
5590 destructors if HIDDEN_DTOR_LIST_END.
5591 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
5593 2007-05-04 Jakub Jelinek <jakub@redhat.com>
5595 * varasm.c (align_variable): Don't increase alignment for
5596 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
5597 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
5599 2007-05-04 Josh Conner <jconner@apple.com>
5601 * basic-block.h (cdi_direction): Assign values to all enumeration
5603 (dom_computed): Remove.
5604 (dom_info_state): New.
5605 (set_dom_info_availability): New.
5606 * tree-ssa-loop-im.c (determine_invariantness): Initialize
5607 walk_data.dom_direction.
5608 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
5609 instead of dom_computed[].
5610 (split_edge): Likewise.
5611 (create_basic_block): Likewise.
5612 (merge_blocks): Likewise.
5613 * ifcvt.c (find_if_header): Likewise.
5614 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
5615 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5616 * tree-ssa.c (verify_ssa): Likewise.
5617 * tree-cfg.c (tree_verify_flow_info): Likewise.
5618 (remove_edge_and_dominated_blocks): Likewise.
5619 * dominance.c (dom_computed): Make static.
5620 (calc_dfs_tree_nonrec): Change third param to a bool.
5621 (calc_dfs_tree): Change second param to a bool.
5622 (calc_idioms): Change second param to a bool. Use
5623 dom_convert_dir_to_idx.
5624 (init_dom_info): Validate dir before using.
5625 (dom_convert_dir_to_idx): New.
5626 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
5627 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
5628 (free_dominance_info): Use dom_convert_dir_to_idx.
5629 (get_immediate_dominator): Likewise.
5630 (set_immediate_dominator): Likewise.
5631 (get_dominated_by): Likewise.
5632 (redirect_immediate_dominators): Likewise.
5633 (nearest_common_denominator): Likewise.
5634 (dominated_by_p): Likewise.
5635 (bb_dom_dfs_in): Likewise.
5636 (bb_dom_dfs_out): Likewise.
5637 (recount_dominator): Likewise.
5638 (iterate_fix_dominators): Likewise.
5639 (add_to_dominance_info): Likewise.
5640 (delete_from_dominance_info): Likewise.
5641 (first_dom_son): Likewise.
5642 (next_dom_son): Likewise.
5643 (dom_info_available_p): Likewise.
5644 (dom_info_state): New.
5645 (set_dom_info_availability): New.
5647 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5649 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
5651 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
5653 2007-05-04 Bob Wilson <bob.wilson@acm.org>
5655 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
5656 (subdi3, subdi_carry): Delete.
5658 2007-05-04 Jan Hubicka <jh@suse.cz>
5659 Richard Guenther <rguenther@suse.de>
5661 * opts.c (decode_options): Do not fiddle with inlining
5662 parameters in case of optimizing for size.
5663 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
5664 for size do nothing.
5665 (cgraph_decide_inlining_of_small_function): When optimizing for
5666 size never inline functions increasing caller size.
5667 (cgraph_early_inlining): Inline for size when optimizing for size.
5669 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
5671 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
5672 logical operations piecewise.
5673 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
5674 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
5675 subdi_sesidi_di): Delete.
5676 (add_with_carry): Produce carry in CC instead of a DREG to shorten
5677 the generated sequence. Allow three-reg add in constraints. Rewrite
5678 the rtl expression for carry to avoid zero_extend of a constant.
5679 (sub_with_carry): New pattern.
5680 (adddi3, subdi3): Change into define_expand. For subtract, generate a
5681 different sequence not involving jumps.
5682 (notbi): Now a named pattern.
5684 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
5686 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
5687 Add the note about a significant loss of accuracy of some
5688 mathematical routines when these options are used.
5690 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5692 * haifa-sched.c (rtx_vec_t): New typedef.
5693 (contributes_to_priority_p): Extract piece of priority () into new
5695 (priority): Use the function. Add assertion.
5696 (rank_for_schedule, set_priorities): Add assertion to check that
5697 insn's priority is initialized.
5698 (clear_priorities, calc_priorities): Change signature. Make it update
5699 all relevant insns. Update all callers ('add_to_speculative_block ()'
5700 and 'create_block_check_twin ()').
5701 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
5702 Add new field 'priority_status'.
5703 (INSN_PRIORITY_STATUS): New macro.
5704 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
5706 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5708 * sched-ebb.c (debug_ebb_dependencies): New static function.
5709 (init_ready_list): Use it.
5711 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
5712 with changed signature and 'debug_rgn_dependencies ()'.
5713 (debug_rgn_dependencies): New static function.
5714 (init_ready_list): Use it.
5716 * sched-int.h (debug_dependencies): Declare.
5718 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5720 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
5722 2007-05-04 Dirk Mueller <dmueller@suse.de>
5724 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
5726 2007-05-03 Jan Hubicka <jh@suse.cz>
5728 * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
5729 for pointer type in more cases than before.
5731 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
5733 * tree-object-size.c (plus_expr_object_size): When operand size is
5734 unknown, return unknown.
5736 2007-05-03 Dirk Mueller <dmueller@suse.de>
5738 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
5740 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
5743 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
5745 2007-05-03 Janis Johnson <janis187@us.ibm.com>
5747 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
5749 2007-05-03 Joseph Myers <joseph@codesourcery.com>
5751 * config/soft-fp/double.h, config/soft-fp/extended.h,
5752 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
5753 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
5754 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
5755 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
5758 2007-05-03 Ian Lance Taylor <iant@google.com>
5760 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
5761 MASK_PPC_GFXOPT for 8540 or 8548.
5763 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5765 * tree-vect-transform.c (vect_update_inits_of_drs): Use
5766 vect_print_dump_info() to output debug information.
5768 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5771 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
5772 operands of size 2 when operand is not MEM_P.
5774 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5776 PR tree-optimization/30565
5777 * lambda-code.c (perfect_nestify): Fix updating of dominators.
5779 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
5781 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
5782 (umulsi3_highpart): Use them.
5783 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
5784 for final accumulator to D regisster tranfser.
5786 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
5788 PR tree-optimization/31699
5789 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
5791 (vect_enhance_data_refs_alignment): Compute peel amount using
5792 TYPE_VECTOR_SUBPARTS instead of vf.
5793 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
5795 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
5798 * system.h: Remove inclusion of double-int.h
5799 * tree.h: Include double-int.h
5800 * gengtype.c: Likewise
5801 * cfgloop.h: Likewise
5802 * Makefile.in: Adjust dependencies on double-int.h
5804 2007-05-02 Eric Christopher <echristo@apple.com>
5806 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
5807 -shared to -Zdynamiclib.
5809 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
5812 * c-common.c (strip_pointer_or_array_types): New function.
5813 * c-common.h (strip_pointer_or_array_types): New function declaration.
5815 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5817 PR tree-optimization/31771
5818 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
5820 2007-05-02 Paul Brook <paul@codesourcery.com>
5822 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
5824 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5827 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
5830 2007-05-02 Nick Clifton <nickc@redhat.com>
5832 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
5834 2007-05-02 Richard Guenther <rguenther@suse.de>
5836 PR tree-optimization/31146
5837 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
5838 argument, single_use_p. If we have a single use that is
5839 a conversion to the definition rhs type, propagate that rhs.
5840 (forward_propagate_addr_expr): Pass single_use_p argument
5841 to forward_propagate_addr_expr_1.
5843 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
5845 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
5848 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5850 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
5851 'AMD Family 10 core'.
5853 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5855 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
5856 and athlon64-sse3 as improved versions of k8, opteron and athlon64
5857 with SSE3 instruction set support.
5858 * doc/invoke.texi: Likewise.
5860 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5862 * config/i386/i386.c (override_options): Tuning 32-byte loop
5863 alignment for amdfam10 architecture. Increasing the max loop
5864 alignment to 24 bytes.
5866 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
5868 * config/m68k/constraints.md: New.
5869 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
5870 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
5871 EXTRA_CONSTRAINT): Remove.
5872 * config/m68k/m68k.md: Include constraints.md.
5873 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
5875 2007-05-01 Ian Lance Taylor <iant@google.com>
5877 PR tree-optimization/31739
5878 * tree-vrp.c (vrp_val_is_max): New static function.
5879 (vrp_val_is_min): New static function.
5880 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
5882 (set_value_range): Use vrp_val_is_{max,min}.
5883 (extract_range_from_assert): Likewise.
5884 (extract_range_from_binary_expr): Likewise.
5885 (extract_range_from_unary_expr): Likewise.
5886 (dump_value_range, vrp_meet): Likewise.
5887 (vrp_visit_phi_node): Likewise.
5888 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
5890 2007-05-01 Mark Mitchell <mark@codesourcery.com>
5892 * config/i386/gmon-sol2.c (size_t): New type.
5893 (intptr_t): Likewise.
5894 (s_textsize): Declare as size_t.
5896 (monstartup): Use size_t for sizes.
5897 (_mcount): Save and restore registers.
5898 (internal_mcount): Pass 0 as the first argument to monstartup
5900 (moncontrol): Convert pointer to appropriately sized integer
5901 before passing to profil.
5903 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5905 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
5906 __NO_FPRS__, not just if _SOFT_DOUBLE.
5907 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
5908 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
5909 also for E500 double.
5910 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
5911 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
5914 2007-05-01 Richard Guenther <rguenther@suse.de>
5916 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
5919 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5921 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
5923 2007-05-01 Jan Hubicka <jh@suse.cz>
5925 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
5928 2007-05-01 Jan Hubicka <jh@suse.cz>
5930 * tree.h (maybe_fold_offset_to_component_ref): Remove.
5931 (maybe_fold_offset_to_reference): Declare.
5932 * fold-const.c (fold_unary): Do not fold
5933 (type *)&A into &A->field_of_type_and_offset_0
5934 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
5935 size is unknown, give up.
5936 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
5938 (maybe_fold_offset_to_reference): New.
5939 (maybe_fold_stmt_indirect): Use it.
5940 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
5941 * gimplify.c (gimplify_conversion): Canonicalize conversions to
5943 (gimplify_expr): Likewise for plus_expr.
5945 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5947 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
5948 bsi_after_labels. Always insert statements before bsi.
5949 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5950 * predict.c (apply_return_prediction): Check for empty blocks.
5951 * cfgexpand.c (lab_rtx_for_bb): New variable.
5952 (label_rtx_for_bb): Do not create new tree labels.
5953 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
5954 (tree_expand_cfg): Initialize lab_rtx_for_bb.
5955 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
5957 (label_for_bb): Add field used.
5958 (update_eh_label, main_block_label): Mark the label used.
5959 (cleanup_dead_labels): Remove unused labels.
5961 2007-05-01 Richard Guenther <rguenther@suse.de>
5963 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
5964 if it is not about to be set.
5965 (get_value_range): Do not pre-allocate equiv bitmap.
5966 (update_value_range): No need to clear equiv field.
5967 (add_equivalence): Change prototype to get bitmap pointer.
5968 Allocate bitmap here if it is not already.
5969 (extract_range_from_assert): Do not allocate bitmap here.
5970 Update callers to add_equivalence.
5971 (extract_range_from_ssa_name): Likewise.
5972 (get_vr_for_comparison): New static helper.
5973 (compare_name_with_value): Handle NULL equiv bitmap by
5974 peeling the first iteration of the comparison loop.
5975 Use get_vr_for_comparison.
5976 (compare_names): Handle NULL equiv bitmaps by using fake
5977 ones. Use get_vr_for_comparison.
5979 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
5981 * double-int.c (mpz_set_double_int): Moved from
5982 tree-ssa-loop-niter.c.
5983 (mpz_get_double_int): Likewise; also, add option to wrap
5984 out-of-range integers.
5985 * double-int.h: New prototypes for above.
5986 * tree.c (get_static_type_bounds): Moved from
5987 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
5988 TYPE_MAX_VALUE if they exist..
5989 * tree.h: New prototype for above.
5990 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
5991 get_type_bounds calls.
5992 (mpz_set_double_int): Move to double-int.c.
5993 (get_type_bounds): Move to tree.c, rename to
5994 get_static_type_bounds.
5995 (mpz_to_double_int): Move to double-int.c, rename to
5998 2007-04-30 Bob Wilson <bob.wilson@acm.org>
6000 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
6001 DIV0 exception can fall through to a normal return.
6003 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
6007 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
6008 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
6009 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6010 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
6011 initialize align to silence bogus warning.
6012 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6013 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
6015 (struct sra_walk_fns): Remove use_all parameter from use.
6016 (sra_hash_tree): Handle BIT_FIELD_REFs.
6017 (sra_elt_hash): Don't hash bitfld blocks.
6018 (sra_elt_eq): Skip them in parent compares as well. Handle
6020 (sra_walk_expr): Don't maintain or pass down use_all_p.
6021 (scan_use): Remove use_all parameter.
6022 (scalarize_use): Likewise. Re-expand assignment to
6023 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
6024 output, and re-scalarize after output. Don't mark anything
6026 (scalarize_ldst): Adjust.
6027 (scalarize_walk_gimple_modify_statement): Likewise.
6028 (build_element_name_1): Handle BIT_FIELD_REFs.
6029 (instantiate_element): Don't warn for any element whose parent
6031 (instantiate_missing_elements_1): Return the sra_elt.
6032 (canon_type_for_field): New.
6033 (try_instantiate_multiple_fields): New.
6034 (instantiate_missing_elemnts): Use them.
6035 (mark_no_warning): Removed.
6036 (generate_one_element_ref): Handle BIT_FIELD_REFs.
6037 (REPLDUP, sra_build_elt_assignment): New.
6038 (generate_copy_inout): Use them.
6039 (generate_element_copy): Likewise. Handle bitfld differences.
6040 (generate_element_zero): Don't recurse for blocks. Use
6041 sra_build_elt_assignment.
6042 (generate_one_element_int): Take elt instead of var. Use
6043 sra_build_elt_assignment.
6044 (generate_element_init_1): Adjust.
6045 (scalarize_use, scalarize_copy): Use REPLDUP.
6046 (scalarize_ldst): Move assert before dereference.
6047 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
6049 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
6052 * tree.c (reconstruct_complex_type): Reconstruct a reference
6054 Also use the same mode for the pointer as the old pointer type.
6056 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6058 * doc/trouble.texi (Interoperation): Remove note about Ultrix
6061 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
6063 PR rtl-optimization/31676
6064 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
6065 (df_refs_record): Call it.
6067 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
6069 * rtl.def (SS_ABS): New code.
6070 * config/bfin/bfin.c (print_operand): New modifier 'v'.
6071 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
6072 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
6073 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
6074 (bfin_init_builtins): Define them.
6075 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
6076 (bfin_expand_builtin): ... and handle the others here.
6077 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
6078 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
6079 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
6080 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
6081 operand is only HImode.
6083 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
6085 * regclass.c (scan_one_insn): Remove splitting of
6088 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
6089 Nigel Stephens <nigel@mips.com>
6091 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6093 2007-04-28 Jan Hubicka <jh@suse.cz>
6095 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
6096 insn_locators_alloc instead of insn_locators_initialize;
6097 call reset_block_changes.
6098 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6099 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
6100 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
6101 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
6102 * config/score/score.c (th_output_mi_thunk): Likewise.
6103 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
6104 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
6105 tolerate uninitialized locator info.
6108 * function.c (init_function_start): Don't init line number info.
6109 (expand_function_end): Update.
6110 (reset_block_changes, record_block_change, finalize_block_changes,
6111 check_block_change, free_block_changes): Kill.
6112 * function.h (reset_block_changes, record_block_change,
6113 finalize_block_changes, check_block_change, free_block_changes): Remove
6115 (struct function): Remove ib_boundaries_block.
6116 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6117 Use curr_insn_locator to initialize locator.
6118 (emit_line_note): Remove.
6119 * cfgexpand.c (expand_gimple_cond_expr): Update.
6120 (construct_exit_block): Likewise.
6121 (tree_expand_cfg): Initialize/finalize locators.
6122 * expr.c (expand_expr_real): Update.
6123 * cfglayout.c (line_locators_locs, line_locators_lines,
6124 file_locators_locs, file_locators_files): Remove.
6125 (set_block_levels): Move to cfgexpand.c.
6126 (insn_locators_initialize): Remove.
6127 (pass_insn_locators_initialize): Remove.
6128 (locations_locators_locs, locations_locators_vals): New static vars.
6129 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6131 (insn_locators_alloc, insn_locators_finalize,
6132 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6134 (locator_location): New.
6135 (locator_line, locator_file): Rewrite.
6136 * rtl.h (emit_line_note): Kill.
6137 (insn_locators_alloc, insn_locators_finalize,
6138 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6140 * tree-inline.c (initialize_cfun): Do not initialize
6141 ib_boundaries_block.
6142 * passes.c (pass_insn_locators_initialize): Remove.
6144 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
6146 * tree-cfg.c (move_block_to_fn): Release bb from dominance
6147 info. Update last_basic_block correctly.
6149 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
6152 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
6153 register itself to hold the offset constant. Tell flow the use
6154 of r4 and r5 when they are used.
6156 2007-04-27 Richard Guenther <rguenther@suse.de>
6158 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
6159 if we simplified anything.
6160 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
6161 warnings until we did a simplification and the stmt was not
6162 marked as TREE_NO_WARNING.
6164 2007-04-27 Mike Stump <mrs@apple.com>
6166 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
6168 2007-04-27 Ian Lance Taylor <iant@google.com>
6171 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
6172 TYPE_MAX_VALUE exist, convert them to the new type.
6174 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6176 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
6177 if it claims to be available.
6178 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
6180 (perform_tree_ssa_dce): Always free postdominators.
6182 2007-04-27 Richard Henderson <rth@redhat.com>
6184 * config/alpha/predicates.md (aligned_memory_operand): Mark
6185 as define_special_predicate.
6186 (unaligned_memory_operand, normal_memory_operand): Likewise.
6187 (reg_or_unaligned_mem_operand): Remove.
6188 (any_memory_operand): Match the documentation and check for
6189 non-renumbered pseudos during reload.
6190 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
6191 alpha_secondary_reload_class, update to new interface, make static.
6192 Handle CQImode like HImode. Remove FP subreg check.
6193 (alpha_expand_mov): Use replace_equiv_address.
6194 (alpha_expand_mov_nobwx): Use any_memory_operand.
6195 (TARGET_SECONDARY_RELOAD): New.
6196 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
6197 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6198 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
6199 * config/alpha/alpha.md: ... here.
6200 (RELOAD12, reloadmode): New.
6202 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
6203 Don't handle the aligned case here.
6204 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
6205 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
6206 reload_inhi_help. Don't expect a scratch register.
6207 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
6209 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
6211 2007-04-27 Richard Guenther <rguenther@suse.de>
6213 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
6215 2007-04-27 Richard Guenther <rguenther@suse.de>
6217 PR tree-optimization/30965
6218 PR tree-optimization/30978
6219 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
6220 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
6221 (find_equivalent_equality_comparison): Likewise.
6222 (simplify_cond): Likewise.
6223 (get_prop_source_stmt): New helper.
6224 (get_prop_dest_stmt): Likewise.
6225 (can_propagate_from): Likewise.
6226 (remove_prop_source_from_use): Likewise.
6227 (combine_cond_expr_cond): Likewise.
6228 (forward_propagate_comparison): New function.
6229 (forward_propagate_into_cond): Rewrite to use fold for
6231 (tree_ssa_forward_propagate_single_use_vars): Call
6232 forward_propagate_comparison to propagate comparisons.
6234 2007-04-27 Richard Guenther <rguenther@suse.de>
6236 PR tree-optimization/31715
6237 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
6238 sure to do computation on the offset in an appropriate
6241 2007-04-27 Richard Sandiford <richard@codesourcery.com>
6243 * reload.h (elimination_target_reg_p): Declare.
6244 * reload.c (find_reloads): Don't apply the reg_rtx move
6245 optimization if the SET_DEST satisfies elimination_target_reg_p.
6246 * reload1.c (elimination_target_reg_p): New function.
6247 (gen_reload): In the move/add2 fallback, make sure that op0
6248 does not overlap the destination register.
6250 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6252 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
6253 transform only GIMPLE_MODIFY_STMTs.
6254 * tree-complex.c (expand_complex_operations_1): Ditto.
6255 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
6256 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
6257 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
6259 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6260 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
6261 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
6262 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
6263 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
6264 slpeel_add_loop_guard): Ditto.
6265 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6266 * lambda-code.c (perfect_nestify): Ditto.
6267 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
6268 before the first statement.
6269 * tree-optimize.c (execute_free_datastructures): Fix comments.
6270 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
6271 * tree-flow.h (disband_implicit_edges): Declaration removed.
6272 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
6274 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
6276 (disband_implicit_edges, has_label_p): Removed.
6277 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
6278 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
6280 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
6282 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
6283 also for COND_EXPRs.
6284 * cfgexpand.c (label_rtx_for_bb): New function.
6285 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
6286 Use label_rtx_for_bb to find the labels.
6287 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
6288 last block. Detect fallthru edges.
6290 2007-04-26 Ian Lance Taylor <iant@google.com>
6293 * reload.c (find_reloads_subreg_address): If the address was valid
6294 in the original mode but not in the new mode, reload the whole
6297 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6299 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
6300 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
6301 (cleanup_control_expr_graph): Do not invalidate dominance info.
6302 Record altered blocks.
6303 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
6304 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
6305 cleanup_tree_cfg_bb): New functions.
6306 (remove_forwarder_block): Do not maintain the worklist of blocks.
6307 Record altered blocks.
6308 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
6310 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
6311 delete_unreachable_blocks if dominators are not available.
6312 * tree-inline.c (optimize_inline_calls): Free dominance information
6314 * tree-flow.h (remove_edge_and_dominated_blocks,
6315 cfgcleanup_altered_bbs): Altered.
6316 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
6318 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
6320 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
6321 do not invalidate dominators.
6323 2007-04-26 Anatoly Sokolov <aesok@post.ru>
6325 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
6326 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
6327 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6328 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6330 2007-04-26 Steve Ellcey <sje@cup.hp.com>
6332 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
6334 2007-04-26 Richard Guenther <rguenther@suse.de>
6336 PR tree-optimization/31703
6337 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
6338 the right type for the target of the bittest.
6340 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6342 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
6343 ix86_sol10_return_in_memory.
6345 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6347 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
6350 2007-04-26 Jakub Jelinek <jakub@redhat.com>
6353 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
6355 PR tree-optimization/30558
6356 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
6357 clear this_state.prev_try.
6359 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6360 Mark Mitchell <mark@codesourcery.com>
6362 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
6363 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
6364 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
6366 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6369 * doc/invoke.texi (%:print-asm-header): Document.
6370 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
6372 (static_spec_functions): Add print-asm-header.
6373 (main): Print a banner before the --target-help linker options.
6374 (print_asm_header_spec_function): New function.
6376 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
6379 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
6380 (movsf_ie): Likewise.
6382 2007-04-25 Paolo Carlini <pcarlini@suse.de>
6384 * doc/extend.texi ([Type Traits]): Adjust per N2255.
6386 2007-04-25 Bob Wilson <bob.wilson@acm.org>
6388 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
6390 (__umodsi3, __modsi3): Likewise.
6392 2007-04-25 Dirk Mueller <dmueller@suse.de>
6394 * c-typeck.c (build_compound_expr): Annotate warning()
6395 call with OPT_Wunused_value.
6396 * tree-ssa.c (warn_uninit): Annotate warning with
6398 * c-common.c (handle_sentinel_attribute): Annotate warning
6399 call with OPT_Wattributes.
6401 2007-04-25 Thiemo Seufer <ths@mips.com>
6403 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
6405 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
6406 on to the assembler. Improve handling of -mno-mips16. Add handling
6407 of -mno-mips3d, -mno-dsp, -mno-dspr2.
6408 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
6409 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
6410 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
6412 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
6415 * config/i386/winnt.c (i386_pe_file_end): Strip only
6416 USER_LABEL_PREFIX when writing export name.
6418 2007-04-25 Richard Sandiford <richard@codesourcery.com>
6420 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
6421 sh/elf.h, vx-common.h and vxworks.h.
6422 * config/sh/sh.h: Include config/vxworks-dummy.h.
6423 (SUBTARGET_OVERRIDE_OPTIONS): Define.
6424 (OVERRIDE_OPTIONS): Use it.
6425 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
6426 (vxworks_picreg): New pattern.
6427 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
6428 VXWORKS_OS_CPP_BUILTINS.
6429 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
6430 to their VXWORKS_* equivalents.
6431 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
6432 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
6433 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
6434 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
6435 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
6436 -mrtp/-fPIC multilibs.
6437 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
6438 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
6439 (MULTILIB_OSDIRNAMES): Delete.
6441 2007-04-25 Anatoly Sokolov <aesok@post.ru>
6444 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
6446 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
6448 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
6449 rounding mode to be specified by the caller.
6450 (real_to_mpfr) Likewise.
6451 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
6452 include new arguments.
6453 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
6455 2007-04-24 Ian Lance Taylor <iant@google.com>
6457 PR tree-optimization/31605
6458 * tree-vrp.c (set_value_range): Check that min and max are not
6459 both overflow infinities.
6460 (set_value_range_to_value): New static function.
6461 (extract_range_from_binary_expr): Call set_value_range_to_value.
6462 (extract_range_from_cond_expr): Likewise.
6463 (extract_range_from_expr): Likewise.
6464 (extract_range_from_unary_expr): Likewise. Don't create a range
6465 which overflows on both sides.
6466 (vrp_meet): Check for a useless range.
6467 (vrp_visit_phi_node): If we see a constant which looks like an
6468 overflow infinity, turn off the TREE_OVERFLOW flag.
6470 2007-04-24 Ian Lance Taylor <iant@google.com>
6472 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
6474 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
6477 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
6478 diagnostic message is being built.
6479 * tree-pretty-print.c (dump_generic_node): Only write the
6480 formatted text into BUFFER's stream if we are not building a
6482 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
6484 * Makefile.in (toplev.o): Depend on tree-pass.h.
6486 2007-04-24 Ian Lance Taylor <iant@google.com>
6488 PR tree-optimization/31602
6489 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
6490 conditionals in the copied loop header.
6491 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
6492 warnings if TREE_NO_WARNING is set.
6493 * doc/invoke.texi (Warning Options): Clarify that
6494 -Wstrict-overflow does not warn about loops.
6496 2007-04-24 Janis Johnson <janis187@us.ibm.com>
6498 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
6499 expand on the comment about _Decimal128 arguments and check the
6500 integer result of the modulus operation; for 64-bit ELF ABI, ensure
6501 that _Decimal128 argument uses even/odd register pair.
6502 (function_arg): Ditto.
6504 2007-04-24 Hui-May Chang <hm.chang@apple.com>
6506 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
6507 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
6509 2007-04-24 Richard Guenther <rguenther@suse.de>
6510 Olga Golovanevsky <olga@il.ibm.com>
6512 * fold-const.c (multiple_of_p): Check for bottom
6515 2007-04-24 Richard Henderson <rth@redhat.com>
6517 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
6518 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
6519 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
6520 looking for non-zero bits shifted out. Avoid a recursive call
6521 when constructing the scalar.
6522 (__floatundisf): Likewise.
6524 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
6526 * dwarf2out.c (field_byte_offset): Move the existing logic
6527 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
6528 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
6530 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6533 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
6534 argument of 0 for memset.
6535 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
6536 unsigned shift instead of the signed variant.
6538 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6540 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
6541 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
6542 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
6543 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6544 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
6545 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
6546 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
6547 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
6548 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
6549 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
6550 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
6551 "mul<mode>3", "div<mode>3"): Insn definitions added.
6552 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
6553 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
6554 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
6555 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
6556 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
6557 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
6558 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
6559 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
6560 TARGET_FLOAT_FORMAT): Macro definitions removed.
6561 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
6562 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
6563 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
6564 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
6565 (s390_gen_rtx_const_DI): Function removed.
6566 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
6568 2007-04-24 Richard Sandiford <richard@codesourcery.com>
6570 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
6571 over an external ffs function.
6573 2007-04-24 Chao-ying Fu <fu@mips.com>
6574 Richard Sandiford <richard@nildram.co.uk>
6576 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
6577 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
6578 (smadd_widen_optab, umadd_widen_optab): Define.
6579 * optabs.c (init_optabs): Initialize smadd_widen_optab and
6581 * genopinit.c (optabs): Fill in smadd_widen_optab and
6583 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
6584 and umadd_widen_optab to implement multiply-add sequences.
6585 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
6586 (<u>maddsidi4): ...this. Extend condition to include
6587 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
6588 of operand 0 to "ka" and use the three-operand form of madd<u>
6590 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
6592 * config/mips/constraints.md (ka): New register constraint.
6594 2007-04-24 Jan Hubicka <j@suse.cz>
6598 2007-04-23 Jan Hubicka <jh@suse.cz>
6599 * function.c (init_function_start): Don't init line number info.
6600 (expand_function_end): Update.
6601 (reset_block_changes, record_block_change, finalize_block_changes,
6602 check_block_change, free_block_changes): Kill.
6603 * function.h (reset_block_changes, record_block_change,
6604 finalize_block_changes, check_block_change, free_block_changes): Remove
6606 (struct function): Remove ib_boundaries_block.
6607 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6608 Use curr_insn_locator to initialize locator.
6609 (emit_line_note): Remove.
6610 * cfgexpand.c (expand_gimple_cond_expr): Update.
6611 (construct_exit_block): Likewise.
6612 (tree_expand_cfg): Initialize/finalize locators.
6613 * expr.c (expand_expr_real): Update.
6614 * cfglayout.c (line_locators_locs, line_locators_lines,
6615 file_locators_locs, file_locators_files): Remove.
6616 (set_block_levels): Move to cfgexpand.c.
6617 (insn_locators_initialize): Remove.
6618 (pass_insn_locators_initialize): Remove.
6619 (locations_locators_locs, locations_locators_vals): New static vars.
6620 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6622 (insn_locators_alloc, insn_locators_finalize,
6623 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6625 (locator_location): New.
6626 (locator_line, locator_file): Rewrite.
6627 * rtl.h (emit_line_note): Kill.
6628 (insn_locators_alloc, insn_locators_finalize,
6629 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6631 * tree-inline.c (initialize_cfun): Do not initialize
6632 ib_boundaries_block.
6633 * passes.c (pass_insn_locators_initialize): Remove.
6635 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
6637 * doc/invoke.texi: Removed leading '-' from option index entries.
6639 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
6641 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
6643 (create_phi_node): Use set_phi_nodes.
6644 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
6645 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
6646 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
6647 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
6648 (bsi_start, bsi_last): Use bb_stmt_list.
6649 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
6650 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
6651 Traverse the statements using tsi iterator.
6652 * basic-block.h (struct basic_block_def): Fields stmt_list
6653 and phi_nodes moved to ...
6654 (struct tree_bb_info): ... new structure.
6655 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
6656 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
6657 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
6658 (tree_verify_flow_info): Verify that il.tree is not set for
6659 entry and exit block.
6660 (tree_split_block): Use set_bb_stmt_list.
6662 2007-04-23 Mike Stump <mrs@apple.com>
6664 * config/i386/i386.c (ix86_tune_features
6665 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
6668 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6670 * config/i386/i386.md (prefix_extra): New attribute.
6671 (length): Add prefix_extra.
6673 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
6674 (sse2_movntv2di): Likewise.
6675 (sse2_cvtps2dq): Likewise.
6676 (sse2_cvtpd2pi): Likewise.
6677 (sse2_cvttpd2pi): Likewise.
6678 (*sse2_cvtpd2ps): Likewise.
6679 (*add<mode>3): Likewise.
6680 (sse2_ssadd<mode>3): Likewise.
6681 (sse2_usadd<mode>3): Likewise.
6682 (*sub<mode>3): Likewise.
6683 (sse2_sssub<mode>3): Likewise.
6684 (sse2_ussub<mode>3): Likewise.
6685 (*mulv8hi3): Likewise.
6686 (*smulv8hi3_highpart): Likewise.
6687 (*umulv8hi3_highpart): Likewise.
6688 (sse2_umulv2siv2di3): Likewise.
6689 (sse2_pmaddwd): Likewise.
6690 (ashr<mode>3): Likewise.
6691 (lshr<mode>3): Likewise.
6692 (ashl<mode>3): Likewise.
6693 (sse2_ashlti3): Likewise.
6694 (sse2_lshrti3): Likewise.
6695 (*umaxv16qi3): Likewise.
6696 (*smaxv8hi3): Likewise.
6697 (*uminv16qi3): Likewise.
6698 (*sminv8hi3): Likewise.
6699 (sse2_eq<mode>3): Likewise.
6700 (sse2_gt<mode>3): Likewise.
6701 (*and<mode>3): Likewise.
6702 (sse2_nand<mode>3): Likewise.
6703 (*ior<mode>3): Likewise.
6704 (*xor<mode>3): Likewise.
6705 (sse2_packsswb): Likewise.
6706 (sse2_packssdw): Likewise.
6707 (sse2_packuswb): Likewise.
6708 (sse2_punpckhbw): Likewise.
6709 (sse2_punpcklbw): Likewise.
6710 (sse2_punpckhwd): Likewise.
6711 (sse2_punpcklwd): Likewise.
6712 (sse2_punpckhdq): Likewise.
6713 (sse2_punpckldq): Likewise.
6714 (sse2_punpckhqdq): Likewise.
6715 (sse2_punpcklqdq): Likewise.
6716 (*sse2_pinsrw): Likewise.
6717 (*sse2_pextrw): Likewise.
6718 (sse2_pshufd_1): Likewise.
6719 (sse2_uavgv16qi3): Likewise.
6720 (sse2_uavgv8hi3): Likewise.
6721 (sse2_psadbw): Likewise.
6722 (sse2_pmovmskb): Likewise.
6723 (*sse2_maskmovdqu): Likewise.
6724 (*sse2_maskmovdqu_rex64): Likewise.
6725 (sse4a_extrqi): Likewise.
6726 (sse4a_extrq): Likewise.
6727 (sse3_lddqu): Set prefix_rep.
6728 (sse3_addsubv4sf3): Likewise.
6729 (sse3_haddv4sf3): Likewise.
6730 (sse3_hsubv4sf3): Likewise.
6731 (sse_cvtss2si): Likewise.
6732 (sse_cvtss2si_2): Likewise.
6733 (sse_cvtss2siq): Likewise.
6734 (sse_cvtss2siq_2): Likewise.
6735 (sse_cvttss2si): Likewise.
6736 (sse_cvttss2siq): Likewise.
6737 (sse2_cvttps2dq): Likewise.
6738 (sse3_movshdup): Likewise.
6739 (sse3_movsldup): Likewise.
6740 (sse2_cvtsd2si): Likewise.
6741 (sse2_cvtsd2si_2): Likewise.
6742 (sse2_cvtsd2siq): Likewise.
6743 (sse2_cvtsd2siq_2): Likewise.
6744 (sse2_cvttsd2si): Likewise.
6745 (sse2_cvttsd2siq): Likewise.
6746 (*sse2_cvtpd2dq): Likewise.
6747 (*sse2_cvttpd2dq): Likewise.
6748 (sse2_pshuflw_1): Likewise.
6749 (sse2_pshufhw_1): Likewise.
6750 (sse4a_insertqi): Likewise.
6751 (sse4a_insertq): Likewise.
6752 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
6753 (ssse3_phadddv4si3): Likewise.
6754 (ssse3_phaddswv8hi3): Likewise.
6755 (ssse3_phsubwv8hi3): Likewise.
6756 (ssse3_phsubdv4si3): Likewise.
6757 (ssse3_phsubswv8hi3): Likewise.
6758 (ssse3_pmaddubswv8hi3): Likewise.
6759 (ssse3_pmulhrswv8hi3): Likewise.
6760 (ssse3_pshufbv16qi3): Likewise.
6761 (ssse3_psign<mode>3): Likewise.
6762 (ssse3_palignrti): Likewise.
6763 (abs<mode>2): Likewise.
6764 (ssse3_phaddwv4hi3): Set prefix_extra.
6765 (ssse3_phadddv2si3): Likewise.
6766 (ssse3_phaddswv4hi3): Likewise.
6767 (ssse3_phsubwv4hi3): Likewise.
6768 (ssse3_phsubdv2si3): Likewise.
6769 (ssse3_phsubswv4hi3): Likewise.
6770 (ssse3_pmaddubswv4hi3): Likewise.
6771 (ssse3_pmulhrswv4hi3): Likewise.
6772 (ssse3_pshufbv8qi3): Likewise.
6773 (ssse3_psign<mode>3): Likewise.
6774 (ssse3_palignrdi): Likewise.
6775 (abs<mode>2): Likewise.
6776 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
6777 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
6778 (sse2_pmovmskb): Set mode to SI instead of V2DF.
6780 2007-04-23 Nick Clifton <nickc@redhat.com>
6782 * params.def: Fix formatting of emacs local variables.
6784 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6786 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
6787 move if inter-unit move isn't allowed.
6788 Don't split moving the first element of V2DI to DI to inter-unit
6789 move if inter-unit move isn't allowed.
6791 2007-04-23 Richard Guenther <rguenther@suse.de>
6793 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
6794 and CDI_POST_DOMINATORS separately.
6796 2007-04-23 Nick Clifton <nickc@redhat.com>
6798 * c.opt (Wformat-contains-nul): Add warning attribute.
6800 2007-04-23 Jan Hubicka <jh@suse.cz>
6802 * function.c (init_function_start): Don't init line number info.
6803 (expand_function_end): Update.
6804 (reset_block_changes, record_block_change, finalize_block_changes,
6805 check_block_change, free_block_changes): Kill.
6806 * function.h (reset_block_changes, record_block_change,
6807 finalize_block_changes, check_block_change, free_block_changes): Remove
6809 (struct function): Remove ib_boundaries_block.
6810 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6811 Use curr_insn_locator to initialize locator.
6812 (emit_line_note): Remove.
6813 * cfgexpand.c (expand_gimple_cond_expr): Update.
6814 (construct_exit_block): Likewise.
6815 (tree_expand_cfg): Initialize/finalize locators.
6816 * expr.c (expand_expr_real): Update.
6817 * cfglayout.c (line_locators_locs, line_locators_lines,
6818 file_locators_locs, file_locators_files): Remove.
6819 (set_block_levels): Move to cfgexpand.c.
6820 (insn_locators_initialize): Remove.
6821 (pass_insn_locators_initialize): Remove.
6822 (locations_locators_locs, locations_locators_vals): New static vars.
6823 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6825 (insn_locators_alloc, insn_locators_finalize,
6826 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6828 (locator_location): New.
6829 (locator_line, locator_file): Rewrite.
6830 * rtl.h (emit_line_note): Kill.
6831 (insn_locators_alloc, insn_locators_finalize,
6832 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6834 * tree-inline.c (initialize_cfun): Do not initialize
6835 ib_boundaries_block.
6836 * passes.c (pass_insn_locators_initialize): Remove.
6838 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
6841 * expr.c (reduce_to_bit_field_precision): Handle
6844 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
6846 PR tree-optimization/24659
6847 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
6848 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
6849 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
6850 * genopinit.c (optabs): Rename vec_pack_mod_optab
6851 to vec_pack_trunc_optab.
6852 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
6853 early for scalar floating point operands for NOP_EXPR.
6854 (vectorizable_type_promotion): Ditto.
6855 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
6856 vec_pack_trunc_optab.
6857 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
6859 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
6860 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
6861 Rename from VEC_PACK_MOD_EXPR.
6862 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
6863 * expr.c (expand_expr_real_1): Ditto.
6864 * tree-inline.c (estimate_num_insns_1): Ditto.
6865 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
6867 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
6868 (vec_unpacks_lo_v4sf): Ditto.
6869 (vec_pack_trunc_v2df): Ditto.
6870 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
6871 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6872 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
6874 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
6876 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6878 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
6879 Rename from VEC_PACK_MOD_EXPR. This expression also represent
6880 packing of floating point operands.
6881 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
6882 represent unpacking of floating point operands.
6883 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
6884 [vec_unpacks_hi]: Ditto.
6885 [vec_unpacks_lo]: Ditto.
6887 2007-04-22 Jan Hubicka <jh@suse.cz>
6889 * final.c (rest_of_handle_final): Call
6890 targetm.asm_out.constructor/targetm.asm_out.destructor
6891 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
6892 proper priority via decl_*_priority_insert.
6893 * c-common.c (c_expand_body): Likewise.
6895 2007-04-22 Richard Guenther <rguenther@suse.de>
6897 PR tree-optimization/29789
6898 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
6899 (rewrite_reciprocal): New helper split out from
6900 determine_invariantness_stmt.
6901 (rewrite_bittest): Likewise.
6902 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
6903 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
6906 2007-04-22 Revital Eres <eres@il.ibm.com>
6908 * loop-unroll.c (var_to_expand): New field to support also
6909 insns of the form x = something + x.
6910 (analyze_insn_to_expand_var): Use it.
6911 (expand_var_during_unrolling): Likewise.
6913 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
6915 * predict.c: Include pointer-set.h.
6916 (bb_predictions): New variable.
6917 (tree_predicted_by_p, tree_predict_edge,
6918 remove_predictions_associated_with_edge): Use bb_predictions map
6919 instead of bb->predictions.
6920 (clear_bb_predictions, assert_is_empty): New functions.
6921 (combine_predictions_for_bb): Use bb_predictions map. Call
6922 clear_bb_predictions.
6923 (tree_estimate_probability): Create and free bb_predictions map.
6924 * Makefile.in (predict.o): Add pointer-set.h dependency.
6925 * basic-block.h (struct basic_block_def): Remove predictions
6927 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
6929 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
6932 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
6935 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6937 * timevar.c (timevar_print): Change reference of --disable-checking to
6938 --enable-checking=release. Also warn if assert checking is disabled.
6940 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6943 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
6944 decl as addressable if the compound literal was marked as
6946 Mark the decl as a gimple register if it is a complex or
6947 vector decl and does not live in memory.
6949 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6951 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
6952 (GENERIC_NEXT): New function macro.
6953 (PHI_CHAIN): Use phi_node's new chain variable.
6954 (tree_phi_node): Change tree_common to tree_base
6955 and add the chain field.
6956 * tree-phinodes.c (make_phi_node): Don't set
6957 TREE_TYPE on the new node.
6958 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
6959 instead of checking GIMPLE_TUPLE_P in chain_next.
6960 * tree-vect-transform.c
6961 (get_initial_def_for_induction): Look at
6962 PHI_RESULT_TREE for the type of the phi node.
6963 (update_vuses_to_preheader): Use PHI_CHAIN
6964 instead of TREE_CHAIN on the phi node.
6965 * tree-ssa-structalias.c (compute_points_to_sets):
6967 (ipa_pta_execute): Likewise.
6969 2007-04-21 Richard Guenther <rguenther@suse.de>
6972 * fold-const.c (fold_unary): Call fold_convert_const on the
6975 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
6977 * gcse.c (store_killed_in_insn): Handle PARALLELs.
6978 (store_killed_in_pat): New.
6980 2007-04-20 Richard Henderson <rth@redhat.com>
6983 * config/i386/i386.c (type_has_variadic_args_p): Look for any
6984 TREE_LIST with a void_type_node value, not void_list_node exactly.
6986 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
6988 * doc/standards.texi: Re-arrange into language-specific
6989 subsections. Add a C++ section, documenting which standards we
6992 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
6994 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
6995 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
6997 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
6999 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
7000 ecrti.o and crtbegin.o.
7001 (LIB_DEFAULT_SPEC): Include -lc.
7002 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
7004 2007-04-20 Richard Henderson <rth@redhat.com>
7007 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
7008 argument; update all callers.
7009 (get_unaligned_offset): New.
7010 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
7011 get_unaligned_address, just pass on the address directly.
7012 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
7013 the subreg in the helper patterns.
7014 (unaligned_extendqidi_le): Use get_unaligned_offset.
7015 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
7016 (unaligned_extendhidi_be): Likewise.
7017 (unaligned_extendhidi): Tidy.
7018 * config/alpha/alpha-protos.h: Update.
7020 2007-04-20 Richard Henderson <rth@redhat.com>
7022 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
7023 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
7024 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
7025 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7026 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7027 (CPP_SPEC): Don't include %(cpp_subtarget).
7028 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
7029 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7030 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
7032 2007-04-20 Jakub Jelinek <jakub@redhat.com>
7034 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
7035 for __builtin_ia32_cmpordss.
7037 PR tree-optimization/31632
7038 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
7039 and arg1 for optimizations of comparison against min/max values.
7040 Fold arg0 to arg1's type for optimizations of comparison against
7041 min+1 and max-1 values.
7043 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
7045 * reload.c (combine_reloads): When trying to use a dying register,
7046 check whether it's uninitialized and don't use if so.
7048 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
7050 * fold-const.c: Remove prototypes for native_encode_expr and
7051 native_interpret_expr.
7052 (native_encode_expr): Make non-static.
7053 (native_interpret_expr): Likewise.
7054 * tree.h: Add prototypes for the above.
7056 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7058 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
7059 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
7060 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
7061 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
7062 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
7063 Add length attributes.
7065 2007-04-19 Janis Johnson <janis187@us.ibm.com>
7067 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
7070 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7071 __STDC_WANT_DEC_FP__.
7073 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7075 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
7076 for long double compatibility.
7077 * configure: Regenerate.
7079 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
7081 PR rtl-optimization/29841
7082 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
7084 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
7085 that may cause control flow transfer from being moved.
7087 2007-04-18 Jan Hubicka <jh@suse.cz>
7089 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
7092 2007-04-18 Eric Christopher <echristo@apple.com>
7094 * config/rs6000/darwin.md (load_macho_picbase): Use link register
7095 only. Update operands.
7096 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
7097 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7098 link register to pic register.
7100 2007-04-18 Dirk Mueller <dmueller@suse.de>
7103 * tree-vrp.c (search_for_addr_array): New.
7104 (check_array_bounds): Suppress warning about
7105 address taken of array refs if its not de-referenced.
7107 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7109 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
7110 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
7112 * tree-vectorizer.h (NITERS_KNOWN_P): New.
7113 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
7114 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
7116 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
7118 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
7120 (vect_analyze_scalar_cycles): Fix indentation.
7121 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
7122 (vect_mark_relevant): Include phis in relevance analysis.
7124 * tree-vect-transform.c (vect_transform_loop): Add an assert.
7126 2007-04-18 Anatoly Sokolov <aesok@post.ru>
7128 * config/avr/avr.c (ptrreg_to_str): Replace error() with
7129 output_operand_lossage().
7131 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7133 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
7134 the unused code for reduction without adjust-in-epilog to simplify the
7137 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
7139 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
7140 (S390_TDC_NEGATIVE_ZERO): New constant.
7141 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
7142 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
7143 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
7144 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
7145 (S390_TDC_POSITIVE_INFINITY): New constant.
7146 (S390_TDC_NEGATIVE_INFINITY): New constant.
7147 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
7148 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
7149 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
7150 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
7151 (S390_TDC_INFINITY): New constant.
7152 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
7153 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
7154 optimization for UNSPEC_CCZ_TO_INT.
7155 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
7156 ("*ccz_to_int"): New insn.
7157 ("isinf<mode>2"): New insn.
7158 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
7159 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
7160 (UNSPEC_CCZ_TO_INT): New constant.
7162 2007-04-18 Richard Guenther <rguenther@suse.de>
7164 PR tree-optimization/19431
7165 PR tree-optimization/21463
7166 * tree-pass.h (pass_phiprop): Declare.
7167 * passes.c (init_optimization_passes): New phiprop pass.
7168 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
7169 (phivn_valid_p): New helper function.
7170 (phiprop_insert_phi): Likewise.
7171 (propagate_with_phi): Likewise.
7172 (tree_ssa_phiprop): New propagator propagating loads
7173 through phi nodes if profitable.
7175 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7177 * tree-vect-analyze.c (process_use): New function.
7178 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
7179 Check phis in all bbs.
7180 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
7183 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
7185 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
7188 2007-04-17 Anatoly Sokolov <aesok@post.ru>
7191 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
7194 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
7196 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
7198 (sse_vmmulv4sf3): Likewise.
7199 (sse2_vmaddv2df3): Likewise.
7200 (sse2_vmmulv2df3): Likewise.
7202 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
7204 PR rtl-optimization/31360
7205 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
7206 (target_reg_cost): New.
7207 (init_set_costs): Initialize target_reg_cost. Add comments
7208 regarding the rationale of the costs.
7209 (global_cost_for_size): Renamed to...
7210 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
7211 of register pressure.
7212 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
7213 estimate_reg_pressure_cost. Add number of ivs.
7214 (determine_set_costs): Dump target_reg_cost.
7215 * loop-invariant.c (gain_for_invariant): Use
7216 estimate_reg_pressure_cost. Removed n_inv_uses argument.
7217 (best_gain_for_invariant, find_invariants_to_move): Remove
7219 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
7220 (target_reg_cost): Declare.
7221 (global_cost_for_size): Declaration removed.
7222 (estimate_reg_pressure_cost): Declare.
7224 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
7226 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
7227 regnos into even/odd register pairs.
7228 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
7229 TDmode similar to the other floating point modes.
7230 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
7231 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
7233 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
7234 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
7235 (movdd_hardfloat64): Use TARGET_MFPGPR.
7237 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
7239 * reload1.c (delete_output_reload): Don't count output in n_inherited.
7242 2005-01-05 Richard Henderson <rth@redhat.com>
7244 * reload1.c (do_input_reload): Restrict the optimization deleteing
7245 a previous output reload to RELOAD_FOR_INPUT.
7247 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
7249 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
7250 induc_vec_info_type.
7251 (vectorizable_induction): New function declaration.
7252 * tree-vect-transform.c (get_initial_def_for_induction): No need to
7253 check if already vectorized. Find first place in BB where new stmts
7254 can be inserted. Takes only one argument.
7255 (vectorizable_induction): New function.
7256 (vect_transform_stmt): Add case for induc_vec_info_type to call
7257 vectorizable_induction.
7258 (vect_transform_loop): Consider phis for vectorization.
7259 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
7261 (analyze_operations): Call vectorizable_induction when analyzing phis.
7263 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
7264 (vect_mark_relevant): Include phis in relevance analysis.
7265 (vect_mark_stmts_to_be_vectorize): Likewise.
7266 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
7268 2007-04-16 Lawrence Crowl <crowl@google.com>
7270 * doc/invoke.texi (Debugging Options): Add documentation for the
7271 -femit-struct-debug options -femit-struct-debug-baseonly,
7272 -femit-struct-debug-reduced, and
7273 -femit-struct-debug-detailed[=...].
7275 * c-opts.c (c_common_handle_option): Add
7276 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
7277 and OPT_femit_struct_debug_detailed_.
7278 * c.opt: Add specifications for
7279 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
7280 and -femit-struct-debug-detailed[=...].
7281 * opts.c (set_struct_debug_option): Parse the
7282 -femit-struct-debug-... options.
7283 * opts.c (matches_main_base, main_input_basename,
7284 main_input_baselength, base_of_path, matches_main_base): Add
7285 variables and functions to compare header base name to compilation
7287 * opts.c (should_emit_struct_debug): Add to determine to emit a
7288 structure based on the option.
7289 (dump_struct_debug) Also disabled function to debug this
7291 * opts.c (handle_options): Save the base name of the
7294 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
7295 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
7296 This hook indicates if a type is generic. Set it by default
7298 * langhooks.h (struct lang_hooks_for_types): Add a new hook
7299 to determine if a struct type is generic or not.
7300 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
7301 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
7302 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
7305 * flags.h (enum debug_info_usage): Add an enumeration to describe
7306 a program's use of a structure type.
7307 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
7308 to indicate the program's usage of the type. Filter structs based
7309 on the -femit-struct-debug-... specification.
7310 (gen_type_die): Split into two routines, gen_type_die and
7311 gen_type_die_with_usage. gen_type_die is now a wrapper
7312 that assumes direct usage.
7313 (gen_type_die_with_usage): Replace calls to gen_type_die
7314 with gen_type_die_with_usage adding the program usage of
7315 the referenced type.
7316 (dwarf2out_imported_module_or_decl): Suppress struct debug
7317 information using should_emit_struct_debug when appropriate.
7319 2007-04-16 Ian Lance Taylor <iant@google.com>
7321 PR tree-optimization/31522
7322 * tree-vrp.c (vr_phi_edge_counts): New static variable.
7323 (vrp_initialize): Allocate vr_phi_edge_counts.
7324 (vrp_visit_phi_node): Don't push to infinity if we saw a new
7325 executable edge. Drop test for all constants.
7326 (vrp_finalize): Free vrp_phi_edge_counts.
7328 * doc/cpp.texi (Common Predefined Macros): Clarify description of
7329 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7331 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
7332 predecessors at head rather than tail.
7334 2007-04-16 Matthias Klose <doko@debian.org>
7336 * config/alpha/linux.h (CPP_SPEC): Define.
7337 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
7339 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
7341 * function.h: Remove sequence_stack extern declaration.
7343 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7345 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
7347 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
7350 2007-04-16 Anatoly Sokolov <aesok@post.ru>
7352 * config/avr/avr.c (avr_arch_types): Rearranging array.
7353 (enum avr_arch): Add.
7354 (avr_mcu_types): Use avr_arch enumeration constants instead of
7356 * config/avr/avr.h (LINK_SPEC): Simplify.
7358 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7360 * config/m68k/m68k.c (m68k_libcall_value,
7361 m68k_function_value): Use macros for register names more.
7363 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
7365 (M68K_REGNAME): Use A6_REG.
7366 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
7368 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7371 * sched-int.h (struct deps): Split field 'pending_lists_length' into
7372 'pending_read_list_length' and 'pending_write_list_length'. Update
7374 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
7375 to handle two length counters instead of one. Update all uses.
7376 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
7377 two length counters instead of one.
7378 * sched-rgn.c (propagate_deps): Update to handle two length counters
7381 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
7384 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
7385 copy of source, pass it to ix86_expand_vector_set and return
7388 2007-04-16 David Ung <davidu@mips.com>
7389 Joseph Myers <joseph@codesourcery.com>
7391 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
7392 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
7393 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
7394 Add 74K processor information.
7395 * config/mips/mips.md: Include 74k.md.
7396 (cpu): Add 74kc,74kf,74kx.
7397 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
7398 * config/mips/74k.md: New.
7399 * doc/invoke.texi (MIPS Options): Document 74K support.
7401 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
7403 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
7404 vectorizable_* functions.
7405 * tree-vect-transform.c (vectorizable_call): Add check for
7406 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
7407 (vectorizable_store): likewise.
7408 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
7410 (vectorizable_operation, vectorizable_type_demotion): Likewise.
7411 (vectorizable_type_promotion, vectorizable_load): Likewise.
7412 (vectorizable_live_operation, vectorizable_condition): Likewise.
7413 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
7415 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
7417 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7419 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
7420 register numbers more.
7421 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
7422 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
7423 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
7424 FUNCTION_VALUE_REGNO_P): Likewise.
7425 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
7426 STATIC_CHAIN_REGNUM): Likewise.
7427 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
7428 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
7429 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
7430 * config/m68k/m68k.md (FP_REG): New.
7432 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7434 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
7437 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7439 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
7440 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
7443 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7445 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
7448 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
7451 * c-decl.c (finish_decl): Grab the type of the decl after the call
7452 to store_init_value.
7454 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
7456 * common.opt (fforward-propagate): Fix "Optimization" annotation.
7458 2007-04-14 Jakub Jelinek <jakub@redhat.com>
7461 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
7462 post dominators and cleanup cfg before returning.
7464 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
7466 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
7467 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
7469 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
7471 * config.gcc: Recognize fido.
7472 * config/m68k/m68k-devices.def (fidoa): New.
7473 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
7475 (FL_FIDOA, TARGET_FIDOA): New.
7476 * config/m68k/m68k.opt (mfidoa): New.
7478 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7481 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
7482 when a personality function is used.
7484 2007-04-13 Bob Wilson <bob.wilson@acm.org>
7486 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
7488 2007-04-13 Mike Stump <mrs@apple.com>
7490 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
7492 * config/darwin.opt (fapple-kext): Make C++ only.
7493 * config/darwin.c (darwin_override_options): Remove code to ensure
7494 -fapple-kext is given for C++ only.
7496 2007-04-13 Richard Sandiford <richard@codesourcery.com>
7498 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
7499 * config/mips/mips.c (override_options): Call
7500 SUBTARGET_OVERRIDE_OPTIONS, if defined.
7502 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7504 * config/i386/i386.opt (msvr3-shlib): Removed.
7506 * doc/invoke.texi: Remove -msvr3-shlib.
7508 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7510 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
7511 with "popcnt" instruction.
7513 2007-04-13 Richard Guenther <rguenther@suse.de>
7515 PR tree-optimization/21258
7516 * tree-vrp.c (compare_case_labels): New helper.
7517 (find_switch_asserts): New function.
7518 (find_assert_locations): Call it for SWITCH_EXPRs.
7520 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
7522 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
7523 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
7524 check is now implied in X87_FLOAT_MODE_P.
7525 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7526 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7527 (fix_trunc<mode>_i386_fisttp): Ditto.
7528 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7529 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7530 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7531 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7532 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7533 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7534 (unnamed_splitters): Ditto.
7535 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
7536 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
7537 FIRST_SSE_REG for local functions when SSE math is enabled or
7538 for functions with sseregparm attribute.
7539 (standard_80387_constant_p): Return -1 if mode is not
7541 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
7542 (ix86_expand_compare): Ditto.
7543 (ix86_expand_carry_flag_compare): Ditto.
7544 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
7545 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
7546 DECIMAL_FLOAT_MODE_P.
7547 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
7548 of SCALAR_FLOAT_MODE_P.
7549 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
7550 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
7551 checks before FLOAT_MODE_P.
7552 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
7553 before FLOAT_MODE_P.
7558 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
7560 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
7561 Charles Wilson <libtool@cwilson.fastmail.fm>
7563 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
7564 (libgcc.mvars): Don't depend on them.
7565 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
7566 * exec-tool.in: New.
7568 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
7570 * doc/invoke.text (--help): Document --help=common.
7572 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
7574 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
7576 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7578 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
7579 * genemit.c (main): Emit #include "integrate.h".
7580 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
7581 (LOADGP_RTP): New mips_loadgp_style.
7582 * config/mips/mips.h: Include config/vxworks-dummy.h.
7583 (TARGET_RTP_PIC): New macro.
7584 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
7585 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
7586 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
7588 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
7589 -mvxworks-pic when using -mrtp and a PIC option.
7590 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
7592 (mips_symbolic_constant_p, mips_symbolic_address_p)
7593 (mips_symbol_insns): Handle SYMBOL_HALF.
7594 (override_options): Warn about -G and -mrtp being used together.
7595 Initialize mips_lo_relocs[SYMBOL_HALF].
7596 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
7597 (mips_emit_loadgp): Handle LOADGP_RTP.
7598 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
7599 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
7600 (tablejump): Handle function-relative case table entries if
7602 * config/mips/predicates.md (symbol_ref_operand): New predicate.
7604 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7606 * config/mips/mips.md (load_call<mode>): Allow any general register.
7608 (sibcall_value_internal, sibcall_value_multiple_internal)
7609 (call_value_internal, call_value_split, call_value_multiple_internal)
7610 (call_value_multiple_split): Remove constraints from operand 0.
7612 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7614 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
7615 rather than loadgp_noshared.
7616 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
7617 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
7619 * config/mips/mips.md (loadgp): Rename to...
7620 (loadgp_newabi): ...this.
7621 (loadgp_noshared): Rename to...
7622 (loadgp_absolute): ...this.
7624 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7626 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
7627 false for locally-binding symbols.
7628 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
7630 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7632 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
7633 (SYMBOL_GOT_PAGE_OFST): ...this.
7634 (SYMBOL_GOT_GLOBAL): Rename to...
7635 (SYMBOL_GOT_DISP): ...this.
7636 (SYMBOL_GOTOFF_GLOBAL): Rename to...
7637 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
7638 * config/mips/mips.c (mips_global_symbol_p): New function.
7639 (mips_symbol_binds_local_p): Likewise.
7640 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
7641 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
7642 and mips_symbol_binds_local_p.
7643 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
7644 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
7645 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
7647 (mips_ok_for_lazy_binding_p): New function.
7648 (mips_load_call_address, mips_expand_call): Use it.
7649 (mips_dangerous_for_la25_p): Likewise.
7650 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
7651 (*got_disp<mode>): Use got_disp_operand instead of
7652 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
7653 SYMBOL_GOTOFF_GLOBAL.
7654 (*got_page<mode>): Use got_page_ofst_operand instead of
7656 * config/mips/predicates.md (const_call_insn_operand): Use
7657 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
7658 (global_got_operand): Rename to...
7659 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
7661 (local_got_operand): Rename to...
7662 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
7663 of SYMBOL_GOT_LOCAL.
7665 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7667 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
7668 TARGET_CALL_CLOBBERED_GP.
7669 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7670 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
7671 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
7672 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
7673 of TARGET_ABICALLS && !TARGET_NEWABI.
7674 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7675 * config/mips/mips.c (mips_load_call_address): Check
7676 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7677 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7678 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7679 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
7680 TARGET_ABICALLS && TARGET_NEWABI.
7681 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
7683 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
7684 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
7685 TARGET_ABICALLS && TARGET_NEWABI.
7686 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
7687 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
7688 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
7689 whether indirect calls must use $25.
7690 (mips_extra_live_on_entry): Check TARGET_GOT instead of
7692 * config/mips/mips.md (jal_macro): Check flag_pic and
7693 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
7694 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
7695 instead of TARGET_ABICALLS.
7696 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
7697 TARGET_ABICALLS && TARGET_OLDABI.
7698 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7699 (sibcall): In the comment above the define_insn, mention
7700 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
7701 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
7702 instead of TARGET_ABICALLS.
7704 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
7706 * doc/md.texi (Blackfin family constraints): Document PA and PB.
7707 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
7708 (MACFLAGS_MATCH_P): New macro.
7709 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
7710 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
7711 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
7712 the other MACFLAG constants.
7713 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
7714 (flag_machi): Tighten constraints. Renumber some of the operands.
7715 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
7717 (flag_machi_parts_acconly): New pattern.
7718 (flag_macinithi): Tighten constraints. Allow any accumulator to be
7720 (flag_macinit1hi): Tighten constraints.
7721 (flag_mul_macv2hi_parts_acconly): New pattern.
7723 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
7724 Use a more efficient implementation.
7725 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
7726 inline sequences when not optimizing for size.
7728 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
7729 movhi_high2low): Delete, merge functionality into...
7730 (packv2hi): ... this pattern.
7732 2007-02-11 Jie Zhang <jie.zhang@analog.com>
7733 * config/bfin/bfin.opt (msim): New option.
7734 (mcpu=): New option.
7735 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
7736 (bfin_cpu_t): Typedef of enum bfin_cpu.
7737 (bfin_cpu_type): New declaration.
7738 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
7739 -msim and -mcpu= options.
7740 (LIB_SPEC): Likewise.
7741 * config/bfin/bfin.c (bfin_cpu_type): Define.
7742 (bfin_handle_option): Handle -mcpu= option.
7743 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
7744 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
7745 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
7747 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7749 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
7750 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
7751 (powerpc-wrs-vxworksae): Use ${tm_file}.
7752 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
7753 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
7754 * config/i386/vx-common.h: New file.
7756 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7758 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
7761 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
7763 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
7766 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
7770 * c-common.c (c_build_qualified_type): Set canonical type
7773 2007-04-12 Richard Guenther <rguenther@suse.de>
7775 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
7776 lower bound and element size if lower bound is not zero
7777 or either of the ARRAY_REF operands is set.
7779 2007-04-12 Richard Guenther <rguenther@suse.de>
7781 PR tree-optimization/24689
7782 PR tree-optimization/31307
7783 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
7785 * gimplify.c (canonicalize_addr_expr): To be consistent with
7786 gimplify_compound_lval only set operands two and three of
7787 ARRAY_REFs if they are not gimple_min_invariant. This makes
7788 it never at this place.
7789 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
7791 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7793 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
7794 null before emitting a .nsubspa directive.
7796 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7798 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
7799 need_to_partition_p if there are no memory statements in the
7802 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7804 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
7805 (gcd_of_steps_may_divide_p): New function.
7806 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
7808 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7810 * reload.c (find_reloads_toplev, find_reloads_address,
7811 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
7812 not a pointer equality test, to decide if we need to call
7813 push_reg_equiv_alt_mem.
7815 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
7817 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
7818 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
7819 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
7821 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7823 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
7824 vector to be positive.
7826 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7830 * doc/invoke.texi: Document --params max-aliased-vops and
7832 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
7833 debug_memory_partitions): Move to tree-flow.h
7834 * params.h (AVG_ALIASED_VOPS): Define.
7835 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
7837 (mp_info_t): Likewise.
7838 (get_mem_sym_stats_for): New.
7839 (set_memory_partition): Move from tree-flow-inline.h.
7840 (mark_non_addressable): Only clear the set of symbols for the
7841 partition if it exists.
7842 (dump_memory_partitions): Move from tree-ssa-operands.c
7843 (debug_memory_partitions): Likewise.
7844 (need_to_partition_p): New.
7845 (dump_mem_ref_stats): New.
7846 (debug_mem_ref_stats): New.
7847 (dump_mem_sym_stats): New.
7848 (debug_mem_sym_stats): New.
7849 (update_mem_sym_stats_from_stmt): New.
7850 (compare_mp_info_entries): New.
7851 (mp_info_cmp): Call it.
7852 (sort_mp_info): Change argument to a list of mem_sym_stats_t
7854 (get_mpt_for): Move from tree-ssa-operands.c.
7855 (find_partition_for): New.
7856 (create_partition_for): Remove.
7857 (estimate_vop_reduction): New.
7858 (update_reference_counts): New.
7859 (build_mp_info): New.
7860 (compute_memory_partitions): Refactor.
7861 Document new heuristic.
7862 Call build_mp_info, update_reference_counts,
7863 find_partition_for and estimate_vop_reduction.
7864 (compute_may_aliases): Populate virtual operands before
7865 calling debugging dumps.
7866 (delete_mem_sym_stats): New.
7867 (delete_mem_ref_stats): New.
7868 (init_mem_ref_stats): New.
7869 (init_alias_info): Call it.
7870 (maybe_create_global_var): Remove alias_info argument.
7871 Get number of call sites and number of pure/const call sites
7872 from gimple_mem_ref_stats().
7873 (dump_alias_info): Call dump_memory_partitions first.
7874 (dump_points_to_info_for): Show how many times a pointer has
7876 * opts.c (decode_options): For -O2 set --param
7877 max-aliased-vops to 500.
7878 For -O3 set --param max-aliased-vops to 1000 and --param
7879 avg-aliased-vops to 3.
7880 * fortran/options.c (gfc_init_options): Remove assignment to
7882 * tree-flow-inline.h (gimple_mem_ref_stats): New.
7883 * tree-dfa.c (dump_variable): Dump memory reference
7885 Dump NO_ALIAS* settings.
7886 (referenced_var_lookup): Tidy.
7887 (mem_sym_stats): New.
7888 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
7889 and ORIG are different SSA names for a memory partition.
7890 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
7891 * tree-flow.h (struct mem_sym_stats_d): Define.
7892 (mem_sym_stats_t): Define.
7893 (struct mem_ref_stats_d): Define.
7894 (struct gimple_df): Add field mem_ref_stats.
7895 (enum noalias_state): Define.
7896 (struct var_ann_d): Add bitfield noalias_state.
7897 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
7898 debug_mem_ref_stats, debug_memory_partitions,
7899 debug_mem_sym_stats): Declare.
7900 * tree-ssa-structalias.c (update_alias_info): Update call
7901 sites, pure/const call sites and asm sites in structure
7902 returned by gimple_mem_ref_stats.
7903 Remove local variable IS_POTENTIAL_DEREF.
7904 Increase NUM_DEREFS if the memory expression is a potential
7906 Call update_mem_sym_stats_from_stmt.
7907 If the memory references memory, call
7908 update_mem_sym_stats_from_stmt for all the direct memory
7909 symbol references found.
7910 (intra_create_variable_infos): Set noalias_state field for
7911 pointer arguments according to the value of
7912 flag_argument_noalias.
7913 * tree-ssa-structalias.h (struct alias_info): Remove fields
7914 num_calls_found and num_pure_const_calls_found.
7915 (update_mem_sym_stats_from_stmt): Declare.
7916 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
7917 Set default value to 100.
7918 (PARAM_AVG_ALIASED_VOPS): Define.
7920 2007-04-11 Richard Guenther <rguenther@suse.de>
7923 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
7924 a * -b + c as c - a * b if we honor sign dependent rounding.
7926 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7928 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
7930 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
7931 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
7933 (initialize_trampoline): Don't use old-style function definition.
7934 (bfin_secondary_reload): Mark IN_P argument as unused.
7936 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
7938 PR tree-optimization/31343
7939 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
7940 (build_polynomial_chrec): Return a scalar when the evolution is zero.
7941 * testsuite/gcc.dg/vect/pr31343.c: New.
7943 2007-04-10 Eric Christopher <echristo@apple.com>
7945 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
7946 * config/i386/i386.md (*cmpfp0): Use.
7947 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7948 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7949 (fix_trunc<mode>_i386_fisttp): Ditto.
7950 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7951 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7952 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7953 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7954 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7955 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7956 (unnamed_splitters): Ditto.
7957 * config/i386/i386.c (output_fix_trunc): Assert that
7958 we're not being passed a TFmode operand.
7960 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
7962 PR tree-optimization/31526
7963 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
7964 n_basic_blocks to find newly added blocks.
7966 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
7968 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
7970 (fix_trunc<mode>si_sse): Ditto.
7971 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
7972 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
7973 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
7974 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
7975 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
7976 expander using SSEMODEF mode macro.
7977 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
7978 expander using SSEMODEF mode macro.
7979 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
7980 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
7981 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
7982 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
7983 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
7984 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
7985 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
7986 Macroize insn using X87MODEF mode macro.
7988 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
7990 * config/i386/sse.md (sse2_pinsrw): Removed.
7991 (sse2_pextrw): Renamed to ...
7992 (*sse2_pextrw): This.
7994 2007-04-09 Jan Hubicka <jh@suse.cz>
7997 * config/i386/sse.md
7998 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
7999 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
8000 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
8001 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
8003 2007-04-09 Jan Hubicka <jh@suse.cz>
8005 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
8006 multiple fields of union.
8008 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
8010 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
8011 (create_preheaders): Check that loops are available.
8012 (fix_loop_structure): Clean up, improve comments.
8013 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
8014 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
8016 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
8017 * predict.c (tree_estimate_probability): Do not call
8018 calculate_dominance_info. Call create_preheaders.
8019 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
8020 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
8022 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
8023 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
8024 * tree-cfg.c (tree_split_edge): Make an assert more precise.
8025 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
8028 2007-04-08 Jan Hubicka <jh@suse.cz>
8030 * tree.h (maybe_fold_offset_to_component_ref): Declare.
8031 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
8032 * fold-const.c (fold_unary): Use it.
8034 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
8036 * varasm.c (assemble_variable): Remove call to
8037 lang_hooks.decls.prepare_assemble_variable.
8038 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
8039 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
8040 * langhooks.h (lang_hooks_for_decls): Remove
8041 prepare_assemble_variable.
8043 2007-04-08 Mike Stump <mrs@apple.com>
8045 * config/i386/i386.c: Use inc/dec on Core2.
8047 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
8049 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
8050 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8051 lhd_tree_inlining_end_inlining): Remove.
8052 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
8053 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
8055 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
8056 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8057 lhd_tree_inlining_end_inlining): Remove prototypes.
8058 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
8059 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8060 LANG_HOOKS_TREE_INLINING_START_INLINING,
8061 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
8063 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
8066 2007-04-08 Anatoly Sokolov <aesok@post.ru>
8069 * config/avr/predicates.md (io_address_operand): Delete predicate.
8070 (low_io_address_operand): Don't use 'mode' argument.
8071 (higth_io_address_operand): Rename ...
8072 (high_io_address_operand): ... to this. Don't use 'mode' argument.
8073 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
8076 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
8078 Revert change removing staticp.
8080 2007-04-07 Anatoly Sokolov <aesok@post.ru>
8083 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
8086 2007-04-07 Bruce Korb <bkorb@gnu.org>
8088 * c.opt: Add -Wformat-contains-nul.
8089 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
8091 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
8092 the NUL byte warning.
8094 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
8096 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
8098 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8100 * tree.c (staticp): No longer use staticp langhook.
8101 * langhooks.c (lhd_staticp): Removed.
8102 * langhooks.h (struct lang_hooks): Remove staticp.
8103 * c-common.c (c_staticp): Remove.
8104 * c-common.h (c_staticp): Ditto.
8105 * langhooks-defs.h (lhd_staticp): Ditto.
8106 (LHD_HOOKS_STATICP): Ditto
8107 * tree.h (gcc_assert_lowered): New macro.
8109 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
8111 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
8112 argument "reliable".
8113 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
8114 Add argument "reliable". Propagate it through calls.
8115 (infer_loop_bounds_from_undefined): Derive number of iterations
8116 estimates from references in blocks that do not dominate loop latch.
8117 (gcov_type_to_double_int): New function.
8118 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
8119 and expected_loop_iterations_unbounded.
8120 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
8121 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
8122 * tree-data-ref.c (estimated_loop_iterations): Export.
8123 (get_references_in_stmt): Fix -- do not return addresses of local
8125 * cfgloop.h (expected_loop_iterations_unbounded,
8126 estimated_loop_iterations): Declare.
8128 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
8130 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
8132 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8134 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8135 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
8136 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
8137 Use output_387_reg_move().
8138 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
8139 expander using X87MODEF12 mode macro.
8140 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
8141 choosing register preferences. Use output_387_reg_move().
8142 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
8143 instead of "x". Use output_387_reg_move().
8144 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
8145 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
8146 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
8147 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
8148 Use output_387_reg_move().
8149 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
8151 (*truncxf?f_i387 splitter): Ditto.
8153 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8155 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8156 LANG_HOOKS_SAFE_FROM_P.
8157 * expr.c (safe_from_p): Remove langhook call.
8158 * langhooks.h (lang_hooks): Remove safe_from_p.
8159 (lhd_safe_from_p): Remove prototype.
8160 * langhooks.c (lhd_safe_from_p): Remove.
8162 2007-04-06 Jan Hubicka <jh@suse.cz>
8164 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
8167 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8169 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
8170 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
8171 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
8172 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
8174 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
8175 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
8177 2007-04-05 Richard Henderson <rth@redhat.com>
8179 * config/alpha/alpha.c (print_operand) [+]: Remove.
8180 (alpha_end_function): Print nop if call at end of function.
8181 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
8182 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
8183 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
8184 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
8185 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
8186 the call pattern. Update peepholes to match.
8188 2007-04-05 Janis Johnson <janis187@us.ibm.com>
8190 * doc/extend.texi (Other Builtins): Add decimal float variants
8192 * builtins.def: Ditto.
8193 * builtins.c (expand_builtin): Ditto.
8195 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
8196 H.J. Lu <hongjiu.lu@intel.com>
8199 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
8200 of V8HImode when calling ix86_binary_operator_ok.
8201 (sse2_pmaddwd): Call ix86_binary_operator_ok.
8202 (sdot_prodv8hi): Operands 1 and 2 must be register.
8204 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8206 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
8207 initialize align to silence bogus warning.
8209 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8212 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
8214 (struct sra_walk_fns): Remove use_all parameter from use.
8215 (sra_hash_tree): Handle BIT_FIELD_REFs.
8216 (sra_elt_hash): Don't hash bitfld blocks.
8217 (sra_elt_eq): Skip them in parent compares as well. Handle
8219 (sra_walk_expr): Don't maintain or pass down use_all_p.
8220 (scan_use): Remove use_all parameter.
8221 (scalarize_use): Likewise. Re-expand assignment to
8222 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
8223 output, and re-scalarize after output. Don't mark anything
8225 (scalarize_ldst): Adjust.
8226 (scalarize_walk_gimple_modify_statement): Likewise.
8227 (build_element_name_1): Handle BIT_FIELD_REFs.
8228 (instantiate_element): Don't warn for any element whose parent
8230 (instantiate_missing_elements_1): Return the sra_elt.
8231 (canon_type_for_field): New.
8232 (try_instantiate_multiple_fields): New.
8233 (instantiate_missing_elemnts): Use them.
8234 (mark_no_warning): Removed.
8235 (generate_one_element_ref): Handle BIT_FIELD_REFs.
8236 (REPLDUP, sra_build_elt_assignment): New.
8237 (generate_copy_inout): Use them.
8238 (generate_element_copy): Likewise. Handle bitfld differences.
8239 (generate_element_zero): Don't recurse for blocks. Use
8240 sra_build_elt_assignment.
8241 (generate_one_element_int): Take elt instead of var. Use
8242 sra_build_elt_assignment.
8243 (generate_element_init_1): Adjust.
8244 (scalarize_use, scalarize_copy): Use REPLDUP.
8245 (scalarize_ldst): Move assert before dereference.
8246 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
8248 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8250 * regmove.c: Fix unused variable warnings due to previous commit.
8252 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8254 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
8255 (regmove_bb_head): Remove.
8256 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
8257 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
8258 problems with fixup_match_1.
8259 Don't initialize/free regmove_bb_head.
8261 (reg_is_remote_constant_p): If an insn is in the same basic block
8262 but not before INSN, consider it remote, too.
8264 2007-04-05 Anatoly Sokolov <aesok@post.ru>
8267 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
8268 DECL_ASSEMBLER_NAME, not the DECL_NAME.
8270 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
8272 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
8273 (CONDITIONAL_REGISTER_USAGE): Likewise.
8275 2007-04-04 Richard Henderson <rth@redhat.com>
8277 * config/alpha/lib1funcs.asm: Remove unused file.
8279 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8282 * opts.c (print_specific_help): Fix --help=<language>
8284 (common_handle_option): Support --help=common.
8286 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8289 * gcc.c (main): Do not run the linker if
8290 print_subprocess_help indicates that it shouldn't be
8293 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8296 * doc/invoke.texi (--help=): Document <languages> value, fix
8297 formatting in tables of values.
8299 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
8301 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
8302 dllimport attribute of virtual methods.
8304 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
8306 * config/score/crti.asm: Change _bss_start to __bss_start.
8307 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
8308 (OUTGOING_REG_PARM_STACK_SPACE) update.
8309 * config/score/score.opt: add options to make backend support
8310 score5, score5u, score7 and score7d.
8311 * config/score/score.md: Likewise.
8312 * config/score/misc.md: Likewise.
8313 * config/score/mac.md: Likewise.
8314 * doc/invoke.texi: Likewise.
8315 * doc/md.texi: update constraints define.
8317 2007-04-03 Richard Henderson <rth@redhat.com>
8319 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
8320 an appropriate type, use the mode instead.
8322 2007-04-03 Richard Sandiford <richard@codesourcery.com>
8324 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
8325 Set the default --with-arch setting to mips2.
8326 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
8327 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
8328 (MULTILIB_OSDIRNAMES): Delete.
8329 (MULTILIB_DIRNAMES): Define.
8330 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
8331 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
8332 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
8333 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
8334 VXWORKS_OS_CPP_BUILTINS.
8335 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
8336 (MIPS_DEBUGGING_INFO): Undefine.
8337 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
8339 2007-04-03 Jakub Jelinek <jakub@redhat.com>
8342 * fold-const.c (native_encode_real): Encode real.c provided longs
8343 as a series of 32-bit native integers.
8344 (native_interpret_real): Interpret buffer as a series of 32-bit
8347 2007-04-03 Richard Guenther <rguenther@suse.de>
8349 * genpreds.c (write_insn_constraint_len): Write function
8350 optimized for CONSTRAINT_LEN implementation.
8351 (write_tm_preds_h): Output insn_constraint_len inline and
8352 use it for CONSTRAINT_LEN.
8353 (write_insn_preds_c): Don't output insn_constraint_len.
8354 * doc/md.texi (define_register_constraint): Document multi-letter
8355 constraints shall have the same length if they start with the same
8358 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8361 * config/i386/i386.md (isinf<mode>2): Expand only when
8362 TARGET_C99_FUNCTIONS is set.
8364 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8366 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
8367 (x86_64-*-linux*): Ditto.
8368 * config/i386/i386.opt (mpc): New option.
8369 * config/i386/i386.c (overrride_options): Handle
8370 ix87_precision_string.
8371 * config/i386/crtprec.c: New file.
8372 * config/i386/t-crtpc: Ditto.
8373 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
8375 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
8376 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8377 crtprec32.o, crtprec64.o and crtprec80.o.
8379 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
8381 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
8383 2007-04-02 Eric Christopher <echristo@apple.com>
8385 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
8386 limitations on darwin.
8388 2007-04-02 Anatoly Sokolov <aesok@post.ru>
8391 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
8393 2007-04-02 Dave Korn <dave.korn@artimi.com>
8395 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
8397 2007-04-02 Dave Korn <dave.korn@artimi.com>
8399 * libgcc2.h (exception_descriptor): Don't forward-declare.
8400 (__get_eh_table_language, __get_eh_table_version): Delete
8401 prototypes of long-dead functions.
8403 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
8405 * ebitmap.h: New file
8406 * ebitmap.c: New file
8407 * Makefile.in (ebitmap.o): New target.
8409 2007-04-01 Jan Hubicka <jh@suse.cz>
8411 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
8412 before very first instruction.
8414 2007-04-01 Jan Hubicka <jh@suse.cz>
8416 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
8417 waring on 64bit hosts.
8418 * bitmap.h: Fix typo in bitmap_head_def.
8420 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
8422 PR rtl-optimization/31391
8423 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
8424 into a DELETED_LABEL note, and the label is in an empty basic
8425 block, update BB_END as well as BB_HEAD.
8427 2007-04-01 Richard Henderson <rth@redhat.com>
8429 PR tree-optimization/31169
8430 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
8431 to varying if the range is outside [0, prec-1].
8433 2007-04-01 Richard Sandiford <richard@codesourcery.com>
8436 * config/mips/mips.md (load_const_gp): New insn.
8437 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
8438 the MIPS16 GP pseudo register if no_new_pseudos.
8439 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
8441 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
8444 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
8446 (call_value): Likewise.
8448 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
8449 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8452 * doc/invoke.texi: (optimization options): Reword description
8453 of -ffast-math. Document its primary purpose.
8455 2007-03-31 Richard Guenther <rguenther@suse.de>
8457 * omp-low.c (splay-tree.h): Include.
8458 (lookup_decl): Replace splay-tree usage by pointer-map.
8459 (maybe_lookup_decl): Likewise.
8460 (new_omp_context): Likewise.
8461 (delete_omp_context): Likewise.
8462 * gimplify.c (splay-tree.h): Include.
8463 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
8465 (remap_ssa_name): Likewise.
8466 (remap_decl): Likewise.
8467 (remap_type_1): Likewise.
8468 (remap_type): Likewise.
8469 (copy_body_r): Likewise.
8470 (expand_call_inline): Likewise.
8471 (clone_body): Likewise.
8472 (copy_tree_r): Likewise.
8473 (remap_save_expr): Likewise.
8474 (unsave_r): Likewise.
8475 (unsave_expr_now): Likewise.
8476 (tree_function_versioning): Likewise.
8477 (build_duplicate_type): Likewise.
8478 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
8479 (struct copy_body_data): Replace splay-tree by pointer-map.
8480 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
8481 not $(SPLAY_TREE_H).
8482 (gimplify.o): Depend on $(SPLAY_TREE_H).
8483 (omp-low.p): Likewise.
8485 2007-03-31 Anatoly Sokolov <aesok@post.ru>
8487 * config/avr/predicates.md (even_register_operand,
8488 odd_register_operand): New predicates.
8489 * config/avr/avr.md (movw peephole2): New.
8490 (movw_r peephole2): New.
8492 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
8494 * tree.h (get_signed_or_unsigned_type): New.
8495 * fold-const.c (operand_equal_for_comparison_p): Use
8496 get_signed_or_unsigned_type instead of
8497 lang_hooks.types.signed_or_unsigned_type.
8498 * expr.c (store_expr): Ditto.
8499 * langhooks.c (get_signed_or_unsigned_type): New.
8500 (lhd_signed_or_unsigned_type): New.
8501 * langhooks.h (lhd_signed_or_unsigned_type): New.
8502 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
8504 2007-03-30 Richard Henderson <rth@redhat.com>
8506 * tree-ssa-loop-ivopts.c: Include target.h.
8507 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
8508 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
8509 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
8510 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
8512 2007-03-30 Richard Henderson <rth@redhat.com>
8513 Kai Tietz <kai.tietz@onevision.com>
8515 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
8517 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
8518 (TARGET_64BIT_MS_ABI): New.
8519 (DBX_REGISTER_NUMBER): Handle 64-bit.
8520 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
8521 (LONG_TYPE_SIZE): Force to 32.
8522 (REG_PARM_STACK_SPACE): New.
8523 (OUTGOING_REG_PARM_STACK_SPACE): New.
8524 (REGPARM_MAX, SSE_REGPARM_MAX): New.
8525 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8526 (STACK_BOUNDARY): Use 128 for 64-bit.
8527 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
8528 Add 64-bit implementation.
8529 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
8531 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
8532 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
8533 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
8534 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
8535 (ix86_handle_cconv_attribute): Don't warn when ignoring if
8536 TARGET_64BIT_MS_ABI.
8537 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
8538 (ix86_pass_by_reference): Likewise.
8539 (ix86_function_value_regno_p): Likewise.
8540 (ix86_build_builtin_va_list): Likewise.
8541 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
8542 (function_arg_advance_ms_64): New.
8543 (function_arg_advance): Call it.
8544 (function_arg_ms_64): New.
8545 (function_arg): Call it.
8546 (function_value_ms_64): New.
8547 (ix86_function_value_1): Call it.
8548 (return_in_memory_ms_64): New.
8549 (ix86_return_in_memory): Call it.
8550 (setup_incoming_varargs_ms_64): New.
8551 (ix86_setup_incoming_varargs): Call it.
8552 (ix86_expand_prologue): Handle 64-bit stack probing.
8553 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
8554 (output_pic_addr_const): Likewise.
8555 (x86_this_parameter): Likewise.
8556 (x86_output_mi_thunk): Likewise.
8557 (x86_function_profiler): Likewise.
8558 (TARGET_STRICT_ARGUMENT_NAMING): New.
8559 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
8560 (TARGET_64BIT_MS_ABI): New.
8561 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
8562 * config/i386/i386.md (allocate_stack_worker): Remove.
8563 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
8564 describe the clobber of eax without a match_scratch.
8565 (allocate_stack_worker_postreload): Remove.
8566 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
8567 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
8568 (allocate_stack_worker_rex64_postreload): Remove.
8569 (allocate_stack): Handle 64-bit.
8570 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
8571 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
8572 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
8573 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
8574 (STANDARD_STARTFILE_PREFIX_1): Likewise.
8575 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
8576 * config.build (x86_64-*-mingw*): New host.
8577 * config.host (x86_64-*-mingw*): New host.
8578 * config.gcc (x86_64-*-mingw*): New target.
8579 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
8581 2007-03-30 Richard Henderson <rth@redhat.com>
8582 Kai Tietz <kai.tietz@onevision.com>
8584 * c-pragma.c (struct def_pragma_macro_value): New.
8585 (struct def_pragma_macro): New.
8586 (pushed_macro_table): New.
8587 (dpm_hash, dpm_eq): New.
8588 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
8589 (init_pragma): Install them.
8590 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8592 2007-03-30 Anatoly Sokolov <aesok@post.ru>
8594 * config/avr/avr.c (avr_override_options): Clear
8595 'flag_delete_null_pointer_checks'.
8597 2007-03-30 Paolo Carlini <pcarlini@suse.de>
8600 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
8601 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
8602 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
8603 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
8604 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
8605 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
8606 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
8608 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
8610 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
8612 * regmove.c: Move all of pass_stack_adjustments from here...
8613 * combine-stack-adj.c: ...to this new file.
8614 * Makefile.in: Add rules for combine-stack-adj.o.
8616 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
8618 PR tree-optimization/31383
8619 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
8620 to have the same length.
8622 2007-03-30 Jan Hubicka <jh@suse.cz>
8625 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
8626 availablility; add more sanity checking; ask varpool only about
8629 2007-03-29 Richard Henderson <rth@redhat.com>
8631 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
8632 to decide, but __SIZEOF_LONG_LONG__.
8634 2007-03-29 Richard Henderson <rth@redhat.com>
8636 * emutls.c (struct __emutls_array): New.
8637 (emutls_destroy): Use it instead of casting element 0 from void*.
8638 (__emutls_get_address): Likewise.
8640 2007-03-29 Richard Henderson <rth@redhat.com>
8642 * varasm.c (initializer_constant_valid_p): Don't deny
8643 DECL_DLLIMPORT_P on functions.
8645 * config/i386/cygming.h: Remove function declarations.
8646 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
8647 (ASM_OUTPUT_LABELREF): Remove.
8648 (COMMON_ASM_OP): Remove.
8649 (ASM_OUTPUT_COMMON): Remove.
8650 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
8651 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
8652 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8653 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
8654 Rename from TARGET_ENCODE_SECTION_INFO.
8655 * config/i386/netware.h: Likewise.
8656 * config/i386/i386-protos.h: Update.
8657 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
8658 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
8659 (legitimate_constant_p): Reject dllimports.
8660 (dllimport_map, get_dllimport_decl): New.
8661 (legitimize_dllimport_symbol): New.
8662 (legitimize_address, ix86_expand_move): Use it.
8663 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
8664 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
8665 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
8666 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
8667 * config/i386/predicates.md (constant_call_address_operand): Only
8668 accept symbols; reject dllimport_p symbols.
8669 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
8670 i386_pe_maybe_record_exported_symbol.
8671 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
8672 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
8673 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
8674 trust the setting of DECL_DLLIMPORT_P.
8675 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
8676 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
8677 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
8678 tidy the argument scanning loop.
8679 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
8680 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
8681 (i386_pe_strip_name_encoding): Remove.
8682 (i386_pe_binds_local_p): New.
8683 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
8684 (i386_pe_output_labelref): Remove.
8685 (i386_pe_asm_output_aligned_decl_common): New.
8686 (i386_pe_maybe_record_exported_symbol): Rename from
8687 i386_pe_record_exported_symbol; check for dllexported symbols.
8689 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
8691 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
8692 add comment explaining why vsnprintf cannot be used.
8694 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
8696 PR tree-optimization/30666
8697 * tree.c (build_complex_type): When creating type names for DWARF2
8698 debug info, create TYPE_DECLs for TYPE_NAME instead of
8700 (build_common_tree_nodes_2): Use build_complex_type when building
8701 predefined complex types, to preserve canonical types.
8703 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
8705 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
8706 (noce_get_alt_condition): Look at it to determine whether to
8707 reverse the condition or not.
8708 (noce_get_condition): Substitute the truth for lies.
8709 (noce_find_if_block): Set the then_else_reversed field.
8711 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
8713 * config/fr30/fr30.md (movdi): Do not accept immediates as the
8714 destination of this insn.
8715 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
8716 than calling gen_rtx_SET directly. Use r0 to hold the value of
8717 'address + 4' rather than a stack based temporary which can be
8720 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8722 * config/s390/s390.c (s390_secondary_input_reload_class,
8723 s390_secondary_output_reload_class): Functions removed.
8724 (s390_secondary_reload): New function.
8725 (TARGET_SECONDARY_RELOAD): Target macro defined.
8726 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
8727 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
8728 * config/s390/s390.md ("reload_outti", "reload_outdi",
8729 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
8730 "reload_out<mode>"): Expanders removed.
8731 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
8732 "reload<mode>_nonoffmem_out"): Expanders added.
8734 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8736 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
8737 SRC->DEST replacement failed anyway.
8739 2007-03-28 Mike Stump <mrs@apple.com>
8741 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
8742 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
8743 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
8745 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8747 * config.gcc: Accept barcelona as a variant of amdfam10.
8748 * config/i386/i386.c (override_options): Likewise.
8749 * doc/invoke.texi: Likewise.
8751 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
8753 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
8754 offsets for BIT_FIELD_REF and COMPONENT_REF.
8756 2007-03-28 Richard Guenther <rguenther@suse.de>
8758 * tree.c (is_global_var): Move ...
8759 * tree-flow-inline.h (is_global_var): ... here.
8760 * tree.h (is_global_var): Remove declaration.
8762 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
8764 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
8766 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
8767 * config/i386/i386.c (ix86_tune_features): Initialize new
8769 * config/i386/predicates.md (promotable_binary_operator): Use
8770 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
8772 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8775 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
8777 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
8779 * config/fr30/fr30.md (movsi_internal): Change destination
8780 constraint from m to V and add m to the end.
8782 2007-03-28 Christian Bruel <christian.bruel@st.com>
8784 * config/sh/sh.md (movsi_i): Fix type attribute.
8786 2007-03-28 Christian Bruel <christian.bruel@st.com>
8788 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
8789 (movsf_ie): Likewise.
8791 2007-03-28 Christian Bruel <christian.bruel@st.com>
8793 * config.gcc: Add sh4-300 to multilib.
8794 * config/sh/t-mlib-sh4-300: New file.
8796 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
8798 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
8799 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
8801 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
8802 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
8803 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
8804 "fixuns_trunctddi2"): Whitespace fix.
8806 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8808 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
8809 the definition of struct sh_args.
8810 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
8811 CALL_COOKIE_INT_REG_GET): Likewise.
8813 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
8815 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
8816 transformations are applied successfully.
8818 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
8820 * tree.c (tree_contains_struct): Permit 512 tree codes.
8821 * tree.h (tree_contains_struct): Ditto.
8822 (MAX_TREE_CODES): Ditto.
8823 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
8824 SPARE member to store remaining padding bits.
8826 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8828 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
8831 2007-03-27 Janis Johnson <janis187@us.ibm.com>
8833 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
8834 * configure: Regenerate.
8836 * configure: Regenerate using the correct version of autoconf.
8838 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8840 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
8842 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
8843 regs to "__SP_L__" and "__SP_H__".
8845 2007-03-27 Richard Guenther <rguenther@suse.de>
8847 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
8848 computations with it with a HOST_WIDE_INT variable.
8850 2007-03-26 Mike Stump <mrs@apple.com>
8852 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
8853 objective-c-header, objective-c++-header and objc++-cpp-output
8855 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
8857 2007-03-26 Richard Henderson <rth@redhat.com>
8860 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
8861 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
8862 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
8863 IX86_BUILTIN_PSRLQ128): New.
8864 (ix86_init_mmx_sse_builtins): Add them.
8865 (ix86_expand_builtin): Expand them.
8866 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
8867 operand 2 be TImode.
8868 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
8869 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
8870 _mm_srli_epi64): Mark __B const.
8871 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
8872 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
8873 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
8874 new two-vector shift builtins.
8876 2007-03-26 Ian Lance Taylor <iant@google.com>
8878 PR tree-optimization/31345
8879 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
8880 [+INF, +INF(OVF)] into VARYING.
8882 2007-03-26 Zack Weinberg <zackw@panix.com>
8884 * gengtype-parse.c: New file.
8885 * gengtype-yacc.y: Delete.
8886 * gengtype-lex.l: Don't include gengtype-yacc.h.
8887 Define YY_DECL and yyterminate appropriately for recursive
8888 descent parser. yylval is now a string out-parameter to yylex.
8889 (HWS, EOID): New shorthand.
8890 (IWORD): Add a couple more types.
8891 (yylex): Add a setup stanza. Remove the complex rules for
8892 detecting GTY'ed types and typedefs; replace with simple
8893 keyword detectors. Adjust everything for the changed
8894 definition of yylval. Ignore all pp-directives, not just #define.
8896 (parse_file): Rename yybegin; do not call yyparse.
8898 * gengtype.c (xasprintf): Export again.
8899 (this_file): New. Use everywhere __FILE__ was being used.
8900 (get_lang_bitmap): Special case types defined in gengtype.c.
8901 (do_typedef, new_structure): Suppress definition of certain types.
8902 (new_structure): Improve diagnostics of duplicate definitions.
8903 Make sure location_s is associated with input.h.
8904 (nreverse_pairs, define_location_structures): New functions.
8905 (main): Improve tagging of kludge types. Remove old kludges
8906 for input.h types; use define_location_structures.
8907 * gengtype.h: Update prototypes. Define token codes here.
8908 * Makefile.in: Remove all references to gengtype-yacc.
8909 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
8911 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
8912 add GTY((skip)) to the field that's only conditionally there.
8913 * doc/install.texi: Document that Bison is no longer required
8914 unless building treelang.
8916 * gengtype.c: Don't include gtyp-gen.h.
8917 (srcdir): Declare here.
8918 (base_files, lang_dir_names): Allocate dynamically.
8919 (gt_files, num_gt_files, num_lang_dirs): New globals.
8920 (measure_input_list, read_input_line, read_input_list)
8921 (set_lang_bitmap): New functions.
8922 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
8923 simplify, relying on read_input_list to set up the bitmaps.
8924 (main): Arguments are no longer unused. Check for correct number
8925 of command line arguments, set srcdir and srcdir_len, then call
8926 read_input_list, before doing anything else. No need to worry
8927 about duplicates in main loop.
8928 * configure.ac: Simplify the calculation of all_gtfiles.
8929 Put language tags in there. Don't set or substitute
8930 all_gtfiles_files_langs or all_gtfiles_files_frags.
8931 * Makefile.in: Revamp the way gengtype is invoked, now that it
8932 takes a file on its command line with a much simpler format.
8933 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
8934 (GTFILES): Remove duplicates and C source files.
8935 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
8936 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
8937 * configure: Regenerate.
8939 * gengtype.h: Remove all type definitions to gengtype.c; leave
8940 only definitions of options_p, type_p, and pair_p as opaque
8941 pointers. Update prototypes.
8942 * gengtype.c: Many type definitions moved here from gengtype.h.
8943 Consolidate type definitions at the top of the file.
8944 (xvasprintf): Delete.
8945 (xasprintf): Make static.
8946 (create_nested_pointer_option): Add 'next' parameter.
8947 (create_field_all, create_field_at): New functions.
8948 (create_field): Now a thin wrapper around create_field_all.
8949 (create_optional_field): Rename create_optional_field_ and add
8950 line argument. Original name is now a macro which supplies
8952 (oprintf): Use vsnprintf directly.
8953 (close_output_files): Use fatal rather than perror/exit.
8954 (note_def_vec, note_def_vec_alloc): Use create_field_at.
8955 (main): Set progname. Don't use exit.
8956 * gengtype-yacc.y (struct_fields): Use create_field_at.
8957 (option, optionseqopt): Delete.
8958 (optionseq): Consolidate productions from option here so we
8959 can use the first argument to create_option.
8961 * gengtype-lex.l: Distinguish unions from structures in the
8962 token type. Don't call find_structure; return the tag as a string.
8963 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
8964 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
8965 Reorganize typedef_struct production accordingly.
8966 Use create_nested_ptr_option.
8967 * gengtype.c (create_nested_ptr_option): New function.
8968 * gengtype.h: Declare it.
8970 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
8971 (string_type): Don't declare.
8972 (do_scalar_typedef): Declare.
8973 (create_scalar_type): Update prototype.
8974 * gengtype.c (string_type): Make static.
8975 (scalar_nonchar, scalar_char): New.
8976 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
8977 (resolve_typedef): Use scalar_nonchar for error recovery.
8978 (create_scalar_type): Remove name_len field. Return scalar_char
8979 or scalar_nonchar as appropriate.
8980 (adjust_field_type): Look at scalar_is_char boolean to decide whether
8982 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
8984 (main): Initialize scalar_char and scalar_nonchar before calling
8986 * gengtype-lex.l: Adjust for removal of second argument to
8987 create_scalar_type. Use yylval.s instead of yylval.t when
8989 * gengtype-yacc.y: Type of SCALAR is string. Call
8990 create_scalar_type from type:SCALAR rule. Adjust for removal of
8991 second argument to create_scalar_type.
8993 * vec.h: Remove all #if IN_GENGTYPE blocks.
8994 Add comment saying that changes may require adjustments to gengtype.
8995 * gengtype.c: Don't include coretypes.h or tm.h.
8996 Add comment to inclusion of errors.h.
8997 (note_def_vec, note_def_vec_alloc): New functions.
8998 * gengtype.h: Declare new functions.
8999 * gengtype-lex.l: Don't include coretypes.h.
9000 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
9002 (update_lineno): Remove unnecessary prototype.
9003 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
9004 (VEC rule): Just return VEC_TOKEN.
9005 * gengtype-yacc.y (VEC_TOKEN): New token type.
9006 (type): Add a production for VEC(a,b).
9007 * Makefile.in: Update dependencies.
9009 * gengtype-lex.l: Remove rules for parsing pointer-to-function
9010 typedefs that use the old PARAMS macro.
9012 * gengtype-lex.l: Remove all rules and states relating to yacc
9014 * gengtype-yacc.y: Similarly.
9015 * gengtype.c (note_yacc_type): Delete function.
9016 * gengtype.h: Update prototypes.
9018 2007-03-26 Joseph Myers <joseph@codesourcery.com>
9020 * tree-pretty-print.c (dump_generic_node): Report precision of
9021 unnamed integer types.
9023 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
9025 * ifcvt.c (noce_try_store_flag_constants): Don't check
9026 no_new_pseudos here.
9027 (noce_try_store_flag_constants): Don't check no_new_pseudos.
9028 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
9029 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
9030 noce_try_sign_mask): Likewise.
9031 (if_convert): Check no_new_pseudos here.
9033 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
9035 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
9036 (noce_get_condition): Handle new then_else_reversed argument.
9037 (noce_init_if_info): Remove, fold into noce_find_if_block.
9038 (noce_process_if_block): Take a struct noce_if_info as the
9039 argument. Don't set up one based on ce_if_info. Update pointer
9040 references accordingly.
9041 (cond_move_process_if_block): Likewise.
9042 (process_if_block): Removed.
9043 (find_if_block): Removed. Move functionality two new functions,
9044 noce_find_if_block and cond_exec_find_if_block.
9045 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
9046 blocks and the symmetric IF-ELSE-JOIN case.
9047 (cond_exec_find_if_block): Also new function mostly based on old
9048 find_if_block and process_if_block.
9049 (find_if_header): Replace find_if_block call with separately
9050 guarded calls to noce_find_if_block and cond_exec_find_if_block.
9051 (find_cond_trap): Update noce_get_condition call.
9052 (dead_or_predicable): Likewise.
9054 2007-03-26 Jakub Jelinek <jakub@redhat.com>
9056 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
9058 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
9059 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
9060 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
9061 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
9062 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
9063 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
9064 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
9065 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
9066 __builtin_ia32_psrad128 builtins.
9068 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
9070 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
9071 * config/i386/constraints.md
9072 (define_constraint "I"): Use IN_RANGE macro.
9073 (define_constraint "J"): Ditto.
9074 (define_constraint "K"): Ditto.
9075 (define_constraint "M"): Ditto.
9076 (define_constraint "N"): Ditto.
9077 (define_constraint "O"): Ditto.
9078 * config/i386/predicates.md
9079 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
9080 (define_predicate "const_0_to_3_operand"): Ditto.
9081 (define_predicate "const_0_to_7_operand"): Ditto.
9082 (define_predicate "const_0_to_15_operand"): Ditto.
9083 (define_predicate "const_0_to_63_operand"): Ditto.
9084 (define_predicate "const_0_to_255_operand"): Ditto.
9085 (define_predicate "const_1_to_31_operand"): Ditto.
9086 (define_predicate "const_2_to_3_operand"): Ditto.
9087 (define_predicate "const_4_to_7_operand"): Ditto.
9089 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9091 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
9092 in SImode for save_world.
9093 * config/rs6000/altivec.md (save_world, restore_world): Convert to
9096 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
9098 PR tree-optimization/30784
9099 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
9102 2007-03-25 Revital Eres <eres@il.ibm.com>
9104 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
9105 Fold movement_possibility function into it.
9107 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9109 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
9110 (load_macho_picbase_{si,di}): Convert to LR hard reg.
9111 (call_indirect_nonlocal_darwin64): Same.
9112 (call_nonlocal_darwin64): Same.
9113 (call_value_indirect_nonlocal_darwin64): Same.
9114 (call_value_nonlocal_darwin64): Same.
9115 (sibcall_nonlocal_darwin64): Same.
9116 (sibcall_value_nonlocal_darwin64): Same.
9117 (sibcall_symbolic_64): Same.
9118 (sibcall_value_symbolic_64): Same.
9119 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
9121 (rs6000_emit_load_toc_table): Same.
9122 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
9123 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
9129 (load_toc_v4_pic_si): Same
9130 (load_toc_v4_PIC_1): Same.
9131 (load_toc_v4_PIC_1b): Same.
9132 (call_indirect_aix{32,64}): Same.
9133 (call_value_indirect_aix{32,64}): Same.
9136 (call_local{32,64}): Same.
9137 (call_value_local{32,64}): Same.
9138 (call_indirect_nonlocal_aix{32,64}): Same.
9139 (call_nonlocal_aix{32,64}): Same.
9140 (call_value_indirect_nonlocal_aix{32,64}): Same.
9141 (call_value_nonlocal_aix{32,64}): Same.
9142 (call_indirect_nonlocal_sysv<mode>): Same.
9143 (call_nonlocal_sysv<mode>): Same.
9144 (call_value_indirect_nonlocal_sysv<mode>): Same.
9145 (call_value_nonlocal_sysv<mode>): Same.
9147 (sibcall_local{32,64}): Same.
9148 (sibcall_value_local{32,64}): Same.
9149 (sibcall_nonlocal_aix{32,64}): Same.
9150 (sibcall_value_nonlocal_aix{32,64}): Same.
9151 (sibcall_nonlocal_sysv<mode>): Same.
9152 (sibcall_value): Same.
9153 (sibcall_value_nonlocal_sysv<mode>): Same.
9155 2007-03-24 Paul Brook <paul@codesourcery.com>
9157 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
9158 * config/arm/linux-eabi.h: Remove legacy syscall hack.
9160 2007-03-24 Richard Henderson <rth@redhat.com>
9162 * config/ia64/constraints.md: New file.
9163 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
9164 satisfies_constraint_?.
9165 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
9166 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
9167 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
9168 ia64_output_mi_thunk): Likewise.
9169 (ia64_const_ok_for_letter_p): Remove.
9170 (ia64_const_double_ok_for_letter_p): Remove.
9171 (ia64_extra_constraint): Remove.
9172 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
9173 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
9174 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
9175 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
9176 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
9177 EXTRA_MEMORY_CONSTRAINT): Remove.
9178 * config/ia64/ia64.md: Include constriants.md. Replace
9179 CONST_OK_FOR_? with satisfies_constraint_?.
9181 2007-03-23 Michael Meissner <michael.meissner@amd.com>
9182 H.J. Lu <hongjiu.lu@intel.com>
9184 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
9186 (name macros): Use DPD_BID_NAME to convert names properly.
9188 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
9189 decimal floating point format.
9190 (init_floating_libfuncs): Change decimal functions so that they
9191 have a "bid_" prefix if the decimal system uses the BID format,
9192 and "dpd_" prefix if the decimal system uses the DPD format.
9193 (init_interclass_conv_libfuncs): Ditto.
9194 (init_intraclass_conv_libfuncs): Ditto.
9196 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9197 using the BID format.
9199 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9200 whether we are using the BID decimal format.
9201 * configure: Regenerate.
9203 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9204 the compiler has decimal floating point enabled. Define
9205 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9208 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9209 using the BID format.
9211 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9212 whether we are using the BID decimal format.
9213 * configure: Regenerate.
9215 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9216 the compiler has decimal floating point enabled. Define
9217 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9220 * doc/install.texi (--enable-decimal-float): Document BID and DPD
9221 options, and that it is enabled for i386/x86_64 systems.
9223 * Makefile.in (enable_decimal_float): New.
9225 (DECNUMINC): Add -I$(DECNUMFMT).
9226 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
9227 to $(DECNUMFMT) from $(DECNUM).
9229 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
9230 Substitute enable_decimal_float.
9231 * configure: Regenerated.
9234 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
9237 * configure.ac: Enable decimal float for x86_64-*-linux*.
9238 * configure: Regenerated.
9241 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
9242 decimal128ClearSign to flip and clear the sign bit in decimal128.
9243 (decimal_real_maxval): Set decimal128SetSign to set the sign
9246 2007-03-23 Ian Lance Taylor <iant@google.com>
9248 * fold-const.c (fold_binary): Correct warning for X - c >= X.
9250 2007-03-23 Ian Lance Taylor <iant@google.com>
9252 * tree-dump.c (dump_files): Correct comment.
9254 2007-03-23 Ian Lance Taylor <iant@google.com>
9256 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
9258 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
9260 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
9261 in cfglayout mode. Don't go into and out of cfglayout mode.
9262 Link the blocks in the order of the constructed traces.
9263 (rest_of_handle_tracer): Adjust call to tracer.
9264 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
9265 Don't go into cfglayout mode.
9266 (rtl_loop_done): Don't go out of cfglayout mode.
9267 * cfglayout.c (relink_block_chain): New function, split out from...
9268 (fixup_reorder_chain): ...here. Remove redundant checking.
9269 (cfg_layout_finalize): Don't clear the header, footer, and aux
9270 fields here, move the code to do so to relink_block_chain. Likewise
9271 for free_original_copy_tables.
9272 * rtl.h (tracer): Update prototype.
9273 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
9274 Assert we are in cfglayout mode. Don't go into and out of cfglayout
9275 mode. Use relink_block_chain to serialize the CFG according to the
9276 new basic block order. Move targetm.cannot_modify_jumps_p check from
9278 (gate_handle_reorder_blocks): ...to here.
9279 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
9281 (gate_duplicate_computed_gotos): ...to here.
9282 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
9283 something always changes when going into and out of cfglayout mode.
9284 Perform an expensive cfg cleanup while going into cfglayout mode.
9285 Always update liveness information on HAVE_conditional_execution
9286 targets. Reserialize the basic blocks and go out of cfglayout mode.
9287 * reg-stack.c: Include cfglayout.h.
9288 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
9289 the call to reorder_basic_blocks.
9290 * basic-block.h (reorder_basic_blocks): Update prototype.
9291 (relink_block_chain): New prototype.
9292 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
9294 2007-03-23 Joseph Myers <joseph@codesourcery.com>
9296 * config/mips/mips.md (type, hazard, *movdi_32bit,
9297 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
9298 *movhi_internal, *movqi_internal, *movsf_hardfloat,
9299 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
9300 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
9301 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
9303 (movcc): Change first xfer to multi.
9304 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
9305 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
9306 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
9307 config/mips/generic.md: Change reservations using "xfer" to use
9309 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
9310 using match_operand.
9311 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
9312 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
9314 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
9316 2007-03-22 Richard Henderson <rth@redhat.com>
9318 * config/i386/i386.c: Remove unnecessary function declarations.
9319 Move targetm definition, and all related macros, to the end of
9320 the file. Resort some functions to put definitions before uses.
9321 (ix86_attribute_table): Make static. Move to end of file.
9322 (ix86_gimplify_va_arg): Make static.
9324 2007-03-22 Richard Henderson <rth@redhat.com>
9326 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
9327 don't increase local_regparm with force_align_arg_pointer check.
9328 (ix86_function_sseregparm): Assert 32-bit.
9329 (type_has_variadic_args_p): New.
9330 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
9331 type_has_variadic_args_p.
9332 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
9333 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
9334 use memset instead. Do maybe_vaarg check first; skip attribute
9335 tests if true; skip attribute tests for 64-bit.
9336 (construct_container): Remove TARGET_DEBUG_ARG.
9337 (function_arg_advance_32, function_arg_advance_64): Split out ...
9338 (function_arg_advance): ... from here.
9339 (function_arg_32, function_arg_64): Split out ...
9340 (function_arg): ... from here.
9341 (ix86_pass_by_reference): Tidy.
9342 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
9343 (function_value_32): New, from parts of ix86_function_value
9344 and ix86_value_regno.
9345 (function_value_64): New, from parts of ix86_function_value
9346 and ix86_libcall_value.
9347 (ix86_function_value_1): New.
9348 (ix86_function_value, ix86_libcall_value): Use it.
9349 (return_in_memory_32, return_in_memory_64): Split out ...
9350 (ix86_return_in_memory): ... from here.
9351 (ix86_struct_value_rtx): Skip for 64-bit.
9352 (ix86_libcall_value, ix86_value_regno): Remove.
9353 (setup_incoming_varargs_64): Split out ...
9354 (ix86_setup_incoming_varargs): ... from here.
9355 (ix86_va_start): Remove TARGET_DEBUG_ARG.
9356 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
9357 * config/i386/i386-protos.h (ix86_function_value): Remove.
9358 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
9360 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9363 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
9364 infinities not supported, otherwise emit warning if -Woverflow. On
9365 underflow, emit warning if -Woverflow.
9366 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
9368 * real.h (real_from_string): Update declaration
9370 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
9371 Richard Henderson <rth@redhat.com>
9373 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
9374 * calls.c (compute_argument_block_size, expand_call,
9375 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
9376 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
9377 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
9378 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
9379 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
9380 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
9381 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
9382 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
9385 2007-03-22 Joseph Myers <joseph@codesourcery.com>
9387 * c-incpath.c (add_sysroot_to_chain): New.
9388 (merge_include_chains): Add sysroot argument. Call
9389 add_sysroot_to_chain if sysrooted.
9390 (register_include_chains): Update call to merge_include_chains.
9391 * doc/cppopts.texi: Document use of '=' in include directory
9394 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
9396 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
9397 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
9398 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
9399 insn pattern using X87MODEF12 mode macro.
9401 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
9403 * regmove.c (regmove_optimize): Use reg_mentioned_p
9404 instead of reg_overlap_mentioned_p for DST.
9406 2007-03-21 Mike Stump <mrs@apple.com>
9408 * c.opt: Fixup for Objective-C/C++.
9410 2007-03-21 Steve Ellcey <sje@cup.hp.com>
9412 * explow.c (convert_memory_address): Fold memory reference when
9413 POINTERS_EXTEND_UNSIGNED < 0
9415 2007-03-21 Richard Henderson <rth@redhat.com>
9418 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
9419 * config/i386/mmintrin.h (__m64): Likewise.
9420 * config/i386/xmmintrin.h (__m128): Likewise.
9422 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9424 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
9425 (VXWORKS_OS_CPP_BUILTINS): Define.
9426 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
9427 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
9429 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9431 * rtl.h (constant_pool_reference_p): Delete.
9432 (find_constant_src): Declare.
9433 * rtlanal.c (find_constant_src): New function.
9434 * simplify-rtx.c (constant_pool_reference_p): Delete.
9435 * config/i386/i386.md: Use find_constant_src instead of
9436 constant_pool_reference_p/avoid_constant_pool_reference pairs.
9438 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9440 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
9441 * c-cppbuiltin.c (c_cpp_builtins): Define them.
9443 2007-03-20 Mark Mitchell <mark@codesourcery.com>
9445 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
9446 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
9447 (arm_elf_asm_constructor): Use it.
9448 (arm_elf_asm_destructor): New function.
9450 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
9452 * jump.c (mark_jump_label): Treat SEQUENCE specially.
9454 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
9456 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
9458 2007-03-19 Andrew Haley <aph@redhat.com>
9460 PR tree-optimization/31264
9461 * tree-vrp.c (register_edge_assert_for_1): Don't look though
9464 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
9466 PR rtl-optimization/30907
9467 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
9468 (fwprop_init): Always call loop_optimizer_initialize.
9469 (fwprop_done): Always call loop_optimizer_finalize.
9470 (fwprop): We always have loop info now.
9471 (gate_fwprop_addr): Remove.
9472 (pass_fwprop_addr): Use gate_fwprop as gate.
9474 PR rtl-optimization/30841
9475 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
9476 df_chain_alloc): Call df_reorganize_refs unconditionally.
9477 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
9478 refs_organized to refs_organized_size.
9479 (df_ref_create_structure): Use refs_organized_size instead of
9480 bitmap_size if refs had been organized, and keep refs_organized_size
9482 * df.h (struct df_ref_info): Change refs_organized to
9483 refs_organized_size.
9484 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
9487 2007-03-19 Mark Mitchell <mark@codesourcery.com>
9489 * except.c (output_function_exception_table): Do not reference the
9490 EH personality routine for functions that do not require an
9493 2007-03-20 Jakub Jelinek <jakub@redhat.com>
9496 * c-typeck.c (convert_for_assignment): Call comptypes for
9497 RECORD_TYPE or UNION_TYPE.
9500 * reload1.c (reload): Do invalid ASM checking after
9501 cleanup_subreg_operands.
9503 2007-03-19 Jeff Law <law@redhat.com>
9505 * tree-cfg.c (find_taken_edge): Tighten conditions for
9506 optimizing computed gotos.
9508 2007-03-19 Michael Matz <matz@suse.de>
9510 * builtins.c (expand_builtin_sync_operation,
9511 expand_builtin_compare_and_swap,
9512 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
9515 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
9516 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
9519 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9521 * doc/tm.texi: Add brackets around the return type of
9522 TARGET_SECONDARY_RELOAD.
9524 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
9525 Richard Guenther <rguenther@suse.de>
9527 PR tree-optimization/31254
9528 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9529 Use handled_component_p () where appropriate. Continue
9530 propagating into the rhs if we propagated into an INDIRECT_REF
9533 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9535 * config/s390/s390.md (op_type attribute): RRR instruction type added.
9536 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
9537 (xde, xdee): Mode attributes adjusted to support DFP modes.
9538 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
9539 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
9540 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
9541 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
9542 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
9543 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9544 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
9546 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
9547 "movsf"): Insn definitions removed.
9548 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
9549 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
9550 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
9552 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
9553 "reload_in<mode>", "reload_out<mode>"): Expander added.
9554 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
9557 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9559 * config/s390/s390.md: Only non-functional changes. Renamed
9560 FPR mode macro to BFP all over the file.
9562 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9564 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
9565 (op_type attribute): RRF instruction type added.
9566 (fT0): New mode attribute.
9567 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9568 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
9569 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
9570 no secondary memory is needed when moving DFmode values between GPRs
9573 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9575 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
9576 inverted and documentation adjusted.
9577 ("mhard-dfp", "msoft-dfp"): New options.
9578 * config/s390/s390.c (s390_handle_arch_option): New architecture
9580 (override_options): Sanity checks for the new options added.
9581 * config.gcc: New architecture switch: z9-ec.
9582 * config/s390/s390.h (processor_flags): PF_DFP added.
9583 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
9584 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
9585 when the bit is NOT set so remove it from the defaults.
9587 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9589 * genemit.c (main): Print include statement for dfp.h.
9590 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
9593 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9595 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
9597 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
9600 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
9603 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9605 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
9606 attr_length_call, output_call, output_indirect_call): Cleanup
9607 formatting of targetm calls.
9609 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9611 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
9613 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9615 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
9616 reservation, bypass and anti-bypass descriptions for these instructions.
9617 Update move patterns.
9618 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
9621 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
9623 * tree-vect-transform.c (get_initial_def_for_induction): Replace
9624 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
9625 (get_initial_def_for_reduction): Likewise.
9627 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
9629 Fix PR tree-optimization/29922
9630 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
9631 (get_representative): Removed.
9632 (value_dies_in_block_x): Update for rvuse removal.
9633 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
9634 (compute_antic_aux): Handle when PHI nodes appear in
9635 non-single-successors.
9636 (dump_bitmap_of_names): Removed.
9637 (compute_antic_safe): Renamed and removed rvuse calculation.
9638 Calculate only antic safe.
9639 (insert_into_preds_of_block): Remove assert.
9640 (execute_pre): Update for renamed functions.
9641 (defer_or_phi_translate_block): New function.
9643 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9645 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
9646 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
9648 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
9649 Follow spelling conventions.
9651 * tree-data-ref.h: Remove the prototype for analyze_array.
9653 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
9655 PR tree-optimization/31041
9656 * tree-vect-transform.c (get_initial_def_for_induction): Call
9657 force_gimple_operand.
9659 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
9661 * ipa-type-escape.c (look_for_casts) : Revert code to use
9662 handled_component_p due to ada test a-numaux.adb.
9664 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9666 * final.c (final_scan_insn): Alter the condition of a
9667 conditional trap if we have nonstandard CC.
9669 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9671 * configure.ac: Remove excess quoting from asm line 0 test.
9672 * configure: Rebuilt.
9674 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9676 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
9677 * c-common.c (convert_and_check): Move warning logic to...
9678 (warnings_for_convert_and_check): ...here. Define.
9679 * c-common.h (warnings_for_convert_and_check): Declare.
9681 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9683 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
9684 (output_call): Likewise.
9686 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9688 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
9690 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9692 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
9694 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
9696 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
9697 opteron, athlon-64 and athlon-fx processor_alias_table entries.
9699 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
9701 PR tree-optimization/31183
9702 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
9703 Use double_int instead of unsigned int for representing access_strides.
9704 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
9706 2007-03-16 Richard Guenther <rguenther@suse.de>
9708 PR tree-optimization/31146
9709 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
9710 to allow recursion of forward_propagate_addr_expr.
9711 (forward_propagate_addr_into_variable_array_index): Likewise.
9712 (forward_propagate_addr_expr): Likewise.
9713 (tree_ssa_forward_propagate_single_use_vars): Likewise.
9714 (forward_propagate_addr_expr_1): Recurse on simple copies
9715 instead of propagating into them. Do so for useless conversions
9717 (forward_propagate_addr_expr): Clean up unused statements after
9720 2007-03-16 Richard Guenther <rguenther@suse.de>
9722 * builtins.c (expand_builtin_cexpi): Use the right argument
9723 for the expansion via cexp.
9725 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9727 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
9728 * configure: Rebuilt.
9730 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9733 * dwarf2out.c (force_type_die): Adjust comment.
9734 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
9736 2007-03-15 DJ Delorie <dj@redhat.com>
9738 * config/frv/predicates.md (minmax_operator): Don't check operands
9741 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9743 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
9744 Update constant estimates of number of iterations.
9745 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
9746 argument renamed to "realistic".
9747 (compute_estimated_nb_iterations): Removed.
9748 (record_niter_bound): New function.
9749 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
9750 call record_nonwrapping_iv with upper = false.
9751 (infer_loop_bounds_from_signedness): Pass upper argument to
9752 record_nonwrapping_iv.
9753 (estimate_numbers_of_iterations_loop): Do not call
9754 compute_estimated_nb_iterations. Record estimate based on profile
9755 information. Initialize the constant estimates of number of
9757 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
9759 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
9760 number of iterations is too small.
9761 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
9762 (EST_NOT_AVAILABLE): Removed.
9763 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
9764 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
9767 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9769 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
9770 Handle NE_EXPR guards.
9772 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9775 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
9776 Set also -pedantic-errors by default for the preprocessor unless
9777 -fpermissive is given.
9779 2007-03-15 Richard Guenther <rguenther@suse.de>
9783 * builtins.c (expand_builtin_cexpi): As a fallback if we
9784 don't have builtins for sincos or cexp create a function
9785 declaration for cexp and expand to a call to that.
9786 (expand_builtin_int_roundingfn): Always fall
9787 back to floor/ceil and its variants even if they may be
9790 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
9793 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
9794 jump tables, move the call to delete_dead_jumptables from here...
9795 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
9796 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
9797 don't allow merging of blocks that try_redirect_by_replacing_jump
9798 also does not handle when not optimizing.
9800 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9801 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9803 * config/i386/i386.md (x86_sahf_1): Correctly handle
9806 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9809 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
9810 x86_64_general_operand as operand[2] predicate. Remove "iF"
9811 from operand constraints and use "e" constraint instead.
9812 (*subti3_1, *subti3_1 splitter): Ditto.
9813 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
9814 operand[1] predicate.
9816 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
9818 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
9819 arrays, multiply the access strides by the size of the sub-array.
9820 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
9822 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9824 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
9825 the configured assembler supports the sahf mnemonic.
9826 * configure: Regenerate.
9827 * config.in: Regenerate.
9829 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
9830 emit "sahf" or ".byte\t0x9e" as asm template.
9832 2007-03-14 Michael Meissner <michael.meissner@amd.com>
9835 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
9836 option to replace hard coded TARGET_xxx in md file.
9837 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
9838 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9839 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
9840 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
9841 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
9842 (X86_TUNE_NOT_VECTORMODE): Ditto.
9843 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
9844 (TUNE_AVOID_VECTOR_DECODE): Ditto.
9845 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9846 (TUNE_SLOW_IMUL_IMM8): Ditto.
9847 (TUNE_MOVE_M1_VIA_OR): Ditto.
9848 (TUNE_NOT_UNPAIRABLE): Ditto.
9849 (TUNE_NOT_VECTORMODE): Ditto.
9851 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
9854 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
9855 tuning options instead of hard coded TARGET_xxx.
9856 (fix ssemode peephole2's): Ditto.
9857 (imul peephole2's): Ditto.
9859 (movdi_or_rex64): Ditto.
9860 (move peephole2): Ditto.
9861 (not peephole2's): Ditto.
9863 2007-03-14 Dirk Mueller <dmueller@suse.de>
9865 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
9866 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
9867 * c-parser.c (c_parser_if_body): Always add an empty statement in case
9869 * c-parser.c (c_parser_do_statement): Warn about empty body in
9871 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
9872 * doc/invoke.texi (-Wempty-body): Update documentation.
9874 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9877 * c-common.h (warn_for_div_by_zero): Declare.
9878 * c-common.c (warn_for_div_by_zero): Define.
9879 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
9882 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9884 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
9885 to PREFIX and STANDARD_PREFIX.
9887 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9888 Phil Edwards <phil@codesourcery.com>
9890 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
9891 (__gthread_once_t): Remove busy field for RTPs.
9892 (__GTHREAD_ONCE_INIT): Update accordingly.
9894 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9896 * doc/invoke.texi: Document VxWorks options.
9898 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9900 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
9902 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
9904 PR tree-optimization/30590
9905 * tree-nrv.c (tree_nrv): Check for the partial update of the
9908 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
9910 * flags.h (flag_random_seed): Remove declaration, in favor of...
9911 * toplev.h (get_random_seed, set_random_seed): ... these.
9912 * tree.c (get_file_function_name): Use the former.
9913 * opts.c (common_handle_option): Use the latter.
9916 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
9919 * cse.c (cse_find_path): Do not bail out if a basic block that
9920 we already visited now becomes part of a path that starts at a
9921 different basic block. Just disallow this, to make sure we
9922 visit each basic block at most once.
9924 2007-03-13 Jan Hubicka <jh@suse.cz>
9926 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
9927 when profile esitmate is present, calls with very low frequency are
9930 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9932 PR tree-optimization/30730
9933 PR tree-optimization/26900
9934 * tree-ssa-loop-niter.c: Include gmp.h.
9936 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
9937 split_to_var_and_offset, determine_value_range,
9938 bound_difference_of_offsetted_base, refine_bounds_using_guard,
9939 bound_difference, bounds_add, bounds_negate,
9940 number_of_iterations_ne_max, dump_affine_iv): New functions.
9941 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9942 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
9943 difference of initial and final value of control iv to validate
9945 (number_of_iterations_cond): Add loop parameter. Determine bounds
9946 on the difference of the extremes of the control iv. Add dumps.
9947 (expand_simple_operations): Handle phi nodes.
9948 (simplify_using_initial_conditions): Do not record used conditions.
9949 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
9950 Do not set additional_info.
9951 (implies_nonnegative_p, implies_ge_p): Removed.
9952 (derive_constant_upper_bound): Do not use parameter `additional'.
9953 (record_estimate): Parameter `additional' removed. Parameter
9954 `i_bound' added. Do not call derive_constant_upper_bound.
9955 (record_nonwrapping_iv): Use derive_constant_upper_bound to
9956 bound the number of iterations estimate.
9957 (estimate_numbers_of_iterations_loop): Pass the estimate from
9958 the number of iterations analysis to record_estimate.
9959 * tree.h (multiple_of_p): Declare.
9960 * tree-scalar-evolution.c (expression_expensive_p): Removed.
9961 (scev_const_prop): Do not check expression_expensive_p.
9962 * fold-const.c (multiple_of_p): Exported.
9963 * double-int.c (double_int_mask): Exported.
9964 * double-int.h (double_int_mask): Declare.
9965 * tree-flow.h (struct tree_niter_desc): Removed additional_info
9966 field. Added max field.
9968 2007-03-13 David Taylor <taylor@candd.org>
9971 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
9974 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9977 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
9978 two unamed patterns.
9980 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
9982 * config/i386/i386.opt (mcx16, msahf): New options.
9983 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
9984 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
9986 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
9987 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
9988 Output -mcx16 and -msahf options when corresponding bit is set.
9990 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
9993 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
9995 * configure.ac: Test for assembler tolerance to # 0 "".
9996 * configure, config.in: Rebuilt.
9997 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
9999 2007-03-13 Geoffrey Keating <geoffk@apple.com>
10001 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
10003 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
10004 (handle_syscall): Handle direct system calls.
10005 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
10007 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10009 * doc/invoke.texi: Fix cpp.info cross-reference.
10010 * doc/passes.texi: Fix gcc.info cross-reference.
10012 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
10014 PR tree-optimization/30835
10015 * lambda-code.c (can_convert_to_perfect_nest): Check whether
10016 bb_for_stmt is not NULL before accessing it.
10018 2007-03-12 Joseph Myers <joseph@codesourcery.com>
10020 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
10023 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10026 * doc/install.texi: Document --enable-stage1-languages
10028 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
10030 * tree-pass.h (pass_into_cfg_layout_mode,
10031 pass_outof_cfg_layout_mode): Declare.
10032 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
10033 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
10034 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
10035 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
10037 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
10039 * c-decl.c (warn_variable_length_array): New function.
10040 Refactored from grokdeclarator to handle warn_vla
10041 and handle unnamed array case.
10042 (grokdeclarator): Refactored VLA warning case.
10043 * c.opt (Wvla): New flag.
10044 * doc/invoke.texi (Wvla): New warning.
10046 2007-03-12 Richard Henderson <rth@redhat.com>
10048 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
10049 (TARGET_SECTION_TYPE_FLAGS): New.
10051 2007-03-12 Richard Henderson <rth@redhat.com>
10053 * config/darwin.c (machopic_reloc_rw_mask): New.
10054 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10055 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
10057 2007-03-12 Mark Mitchell <mark@codesourcery.com>
10059 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
10060 * cppdefault.h (cpp_PREFIX): Document.
10061 (cpp_PREFIX_len): Likewise.
10062 (cpp_EXEC_PREFIX): New variable.
10063 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
10064 * c-incpath.c (add_standard_paths): Correct logic for relocating
10065 paths within prefix.
10067 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
10069 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
10070 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
10072 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
10073 fix_truncdfdi_sse using SSEMODEF mode macro.
10074 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
10075 fix_truncdfsi_sse using SSEMODEF mode macro.
10076 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
10077 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
10079 2007-03-12 Richard Sandiford <richard@codesourcery.com>
10081 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
10082 elfos.h to tm_file.
10084 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
10086 * tree.h : Add multiple_of_p declaration.
10087 * fold-const.c (multiple_of_p): Make multiple_of_p public.
10088 * ipa-type-escape.c (results_of_malloc): Redundant.
10089 (visited_stmts): New. Visited stmt for walk_use_def_chains.
10090 (cast_type): Extended with new members.
10091 (check_cast): Returns cast_type.
10092 (cast): New structure for data of walk_use_def_chains.
10093 (is_malloc_result, is_cast_from_non_pointer_1,
10094 is_cast_from_non_pointer,
10095 is_array_access_through_pointer_and_index): New functions.
10096 (look_for_casts): Returns cast types.
10097 (check_call): Returns void.
10098 (okay_pointer_operation): Use support of pointer plus index,
10099 pointer plus constant and allow all multiplications.
10101 2007-03-11 Richard Guenther <rguenther@suse.de>
10103 PR tree-optimization/31115
10104 * tree-vrp.c (extract_range_from_binary_expr): Make sure
10105 the shift count is positive and non-anti-range for RSHIFT_EXPR.
10106 A shift count of zero is not special as with *_DIV_EXPR.
10107 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
10110 2007-03-11 Ian Lance Taylor <iant@google.com>
10112 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
10113 the *_DIV_EXPR codes correctly with overflow infinities.
10115 2007-03-11 Ira Rosen <irar@il.ibm.com>
10117 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
10118 indicate success/failure of the analysis. Add negation to subtrahend
10119 in case of subtraction. Fail if both operands contain constants.
10120 (create_data_ref): Fail if analyze_offset fails.
10122 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
10124 * config/i386/i386.md (frndintxf2): Rename to ...
10125 (rintxf2): ... this. Remove expander having same name.
10126 (rintsf2, rintdf2): Implement using SSEMODEF macro.
10127 (roundsf2, rounddf2): Ditto.
10128 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
10129 (lround<mode>di2, lround<mode>si2): Ditto.
10131 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
10133 * lower-subreg.c: Include except.h.
10134 (decompose_multiword_subregs): Verify that the only control flow
10135 insns we can split are loads to multi-words pseudos.
10136 Handle breaking such blocks after splitting, instead of calling
10137 find_many_sub_basic_blocks.
10139 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
10140 on the new basic block. Add a lengthy comment explaining why we
10141 thought this was necessary.
10142 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
10144 2007-03-10 Mark Mitchell <mark@codesourcery.com>
10147 * tree.c (walk_type_fields): Recurse into the element type of
10148 ARRAY_TYPEs if there is a pointer set.
10150 2007-03-10 Dirk Mueller <dmueller@suse.de>
10152 * c-common.c (warn_logical_operator): Fix condition.
10154 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
10156 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
10158 * config/darwin.c (machopic_select_section): Remove superfluous
10159 argument in call to categorize_decl_for_section. Remove unused
10162 2007-03-10 Joseph Myers <joseph@codesourcery.com>
10164 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
10166 * configure: Regenerate.
10168 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
10171 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
10172 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
10173 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
10174 Add LABEL_NUSES to emitted label.
10175 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
10176 branch probability value to emitted jump insn.
10177 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
10178 Do not check life information and do not re-arrange input operands
10179 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
10181 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10183 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
10184 the change of decode_asm_operands.
10186 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10188 * mode-switching.c (create_pre_exit): Skip blockage insn.
10190 2007-03-09 Diego Novillo <dnovillo@redhat.com>
10192 * tree-pass.h (TODO_update_smt_usage): Remove.
10194 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
10198 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10200 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
10201 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
10202 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
10205 2007-03-09 Geoffrey Keating <geoffk@apple.com>
10207 * gcc.c: Document %{, in big comment at top.
10208 (input_suffix_matches): Remove special handling for .s and
10210 (input_spec_matches): New.
10211 (handle_braces): Handle %{,.
10212 (validate_switches): ',' indicates a value which is not a switch.
10213 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
10214 to detect assembler input.
10215 * config/i386/sol2.h (CPP_SPEC): Likewise.
10216 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
10217 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
10218 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
10219 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
10220 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
10221 -m64 causes deployment target to default to 10.5.
10222 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10224 2007-03-09 Richard Henderson <rth@redhat.com>
10227 * target.h (targetm.asm.out.reloc_rw_mask): New.
10228 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
10229 (TARGET_ASM_OUT): Use it.
10230 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
10231 * varasm.c (categorize_decl_for_section): Remove shlib argument;
10232 use the new reloc_rw_mask target hook instead.
10233 (default_section_type_flags_1): Merge into...
10234 (default_section_type_flags): ... here.
10235 (decl_readonly_section_1): Merge into...
10236 (decl_readonly_section): ... here.
10237 (default_elf_select_section_1): Merge into...
10238 (default_elf_select_section): ... here.
10239 (default_unique_section_1): Merge into...
10240 (default_unique_section): ... here.
10241 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
10242 (default_select_rtx_section): Use it.
10243 (default_elf_select_rtx_section): Likewise.
10244 * output.h: Update to match.
10245 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
10246 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
10247 (TARGET_ASM_RELOC_RW_MASK): New.
10248 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
10249 to categorize_decl_for_section.
10250 (x86_64_elf_unique_section): Likewise.
10251 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
10252 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
10253 (TARGET_ASM_RELOC_RW_MASK): New.
10254 * config/ia64/ia64.c (ia64_rwreloc_select_section,
10255 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
10256 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
10257 (TARGET_RWRELOC): Remove.
10258 (ia64_section_type_flags): Adjust call to default_section_type_flags.
10259 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10260 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
10261 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
10262 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
10263 (rs6000_xcoff_select_section): Use decl_readonly_section.
10264 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
10265 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10266 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
10267 (TARGET_SECTION_TYPE_FLAGS): Remove.
10268 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
10270 2007-03-09 Roger Sayle <roger@eyesopen.com>
10272 * fold-const.c (fold_comparison): Remove compile-time evaluation of
10273 complex constant equality/inequality comparisons for here.
10274 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
10275 known at compile-time or can be simplified to a scalar comparison.
10276 (fold_relational_const): Move compile-time evaluation of complex
10277 constant equality/inequality comparisons to here.
10279 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10281 PR rtl-optimization/30643
10282 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
10284 (fold_rtx): Recurse, like before 2006-11-03.
10286 2007-03-09 DJ Delorie <dj@redhat.com>
10288 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
10291 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
10293 PR tree-optimization/30375
10294 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
10295 LHS of statements is not the same.
10296 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
10298 2007-03-09 Chao-ying Fu <fu@mips.com>
10300 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
10302 * doc/invoke.texi (-mdspr2): Document new option.
10303 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
10304 New unspec for DSP REV 2.
10305 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
10306 these instructions are extended in DSP REV 2.
10307 (mips-dspr2.md): Include.
10308 * config/mips/mips.opt (mdspr2): New option.
10309 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
10310 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
10311 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
10312 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
10313 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
10314 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
10315 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
10317 (bdesc_map): Add one field of unsupported_target_flags.
10318 (bdesc_arrays): Update entries to have extra fields. Add
10320 (mips_init_builtins): Initialize new function types.
10321 Check unsupported_target_fileds to filter out builtins.
10322 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
10324 (ASM_SPEC): Pass mdspr2 to the assembler.
10325 * config/mips/mips-dspr2.md: New file.
10327 2007-03-09 Sa Liu <saliu@de.ibm.com>
10329 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
10331 2007-03-09 Ian Lance Taylor <iant@google.com>
10333 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
10334 argument) like -Wstrict-overflow=2.
10335 * doc/invoke.texi (Warning Options): Update documentation.
10337 2007-03-09 Dirk Mueller <dmueller@suse.de>
10340 * doc/invoke.texi (-Wlogical-op): Document.
10341 * common.opt (-Wlogical-op): New.
10342 * c-common.h (warn_logical_operator): Declare.
10343 * c-common.c (warn_logical_operator): Define.
10344 * c-typeck.c (parser_build_binary_op): Call
10345 warn_logical_operator.
10347 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10349 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
10350 * final.c (final_scan_insn): Test for non-"" file name.
10352 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
10354 * doc/loop.texi: Document the Omega linear constraints solver.
10355 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
10356 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
10357 omega-hash-table-size, omega-max-keys, and
10358 omega-eliminate-redundant-constraints.
10359 * tree-pass.h (pass_check_data_deps): Declared.
10362 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
10363 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
10364 pass_check_data_deps): New.
10365 * tree-data-ref.c (init_data_ref): Remove declaration.
10366 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
10367 (analyze_array): Renamed init_array_ref, move up initializations.
10368 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
10369 Removed arguments that are set to NULL.
10370 (analyze_indirect_ref): Correct indentation, correct call to
10372 (object_analysis): Call init_array_ref instead of analyze_array.
10373 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
10374 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
10375 of DR_ACCESS_FNS_ADDR.
10376 (init_omega_eq_with_af, omega_extract_distance_vectors,
10377 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
10378 ddr_consistent_p): New.
10379 (compute_affine_dependence): Check consistency of ddrs when
10380 flag_check_data_deps is passed.
10381 (analyze_all_data_dependences): Uncomment.
10382 (tree_check_data_deps): New.
10383 * tree-data-ref.h: Include omega.h.
10384 (DR_ACCESS_FNS_ADDR): Removed.
10385 (data_dependence_relation): Add inner_loop.
10386 (DDR_INNER_LOOP): New.
10387 * common.opt (fcheck-data-deps): New.
10388 * tree-flow.h (tree_check_data_deps): Declare.
10389 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
10390 (OBJS-common): Depend on omega.o.
10392 * passes.c (pass_check_data_deps): Scheduled.
10393 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
10394 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
10395 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
10396 PARAM_VECT_MAX_VERSION_CHECKS,
10397 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
10399 2007-03-09 Richard Guenther <rguenther@suse.de>
10401 PR tree-optimization/30904
10402 PR middle-end/31058
10403 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
10404 the same way as *_DIV_EXPR.
10406 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10408 * recog.c (decode_asm_operands): No mixed declarations and code.
10410 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10412 * rtl.def (ASM_INPUT): Add location.
10413 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
10414 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
10415 (decode_asm_operands): Add loc operand.
10416 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
10417 * stmt.c (expand_asm): Rename to...
10418 (expand_asm_loc): ... this. Add locus argument. Pass it on to
10419 gen_rtx_ASM_INPUT_loc.
10420 (expand_asm_expr): Adjust.
10421 * recog.c (decode_asm_operands): Add loc operand.
10422 (check_asm_operands, extract_insn): Adjust.
10423 * reload1.c (maybe_fix_stack_asms): Likewise.
10424 * final.c (asm_insn_count): Likewise.
10425 (final_scan_insn): Output # line before and after asm.
10427 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
10429 * tree-ssa-structalias.c (variable_info): Remove
10431 (new_var_info): Ditto.
10432 (shared_bitmap_info_t): New structure.
10433 (shared_bitmap_table): New variable.
10434 (shared_bitmap_hash): New function.
10435 (shared_bitmap_eq): Ditto
10436 (shared_bitmap_lookup): Ditto.
10437 (shared_bitmap_add): Ditto.
10438 (merge_smts_into): Change to take bitmap directly.
10439 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
10440 (init_alias_vars): Init shared bitmap hashtable.
10441 (delete_points_to_sets): Delete shared bitmap hashtable.
10442 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
10443 is_aliased removal as a change that was still necessary was
10446 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
10448 * config/i386/i386.h (override_options): Conditionally disable
10449 x86_sahf for 64bit targets only.
10451 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
10454 * c-decl.c (merge_decls): Don't call make_var_volatile.
10455 * varasm.c (make_var_volatile): Remove.
10456 * output.h (make_var_volatile): Remove.
10458 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
10460 PR tree-optimization/31085
10461 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
10463 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10465 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
10466 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
10467 ATTR_CONST_NOTHROW_LIST.
10469 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
10472 2007-03-08 Diego Novillo <dnovillo@redhat.com>
10474 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
10476 2007-03-08 Geoffrey Keating <geoffk@apple.com>
10479 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
10481 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
10482 passed, use shared libgcc.
10484 2007-03-08 Roger Sayle <roger@eyesopen.com>
10486 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
10487 instead of calling build2 with a GIMPLE_MODIFY_STMT.
10488 (honor_protect_cleanup_actions, lower_try_finally_switch):
10490 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
10491 ifc_temp_var): Likewise.
10492 * tree-inline.c (setup_one_parameter): Likewise.
10493 * tree-mudflap.c (mf_decl_cache_locals,
10494 mf_build_check_statement_for): Likewise.
10495 * tree-nested.c (init_tmp_var, save_tmp_var,
10496 finalize_nesting_tree_1): Likewise.
10497 * tree-outof-ssa.c (insert_copy_on_edge,
10498 insert_backedge_copies): Likewise.
10499 * tree-profile.c (tree_gen_edge_profiler,
10500 tree_gen_ic_profiler): Likewise.
10501 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10502 * tree-sra.c (sra_build_assignment): Likewise.
10503 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
10504 * tree-ssa-math-opts.c (insert_reciprocals,
10505 execute_cse_sincos_1): Likewise.
10506 * tree-tailcall.c (adjust_accumulator_values,
10507 adjust_return_value): Likewise.
10508 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
10509 * tree-vect-transform.c (vect_create_data_ref_ptr,
10510 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
10511 vect_create_epilog_for_reduction, vectorizable_reduction,
10512 vectorizable_call, vectorizable_conversion,
10513 vectorizable_assignment, vectorizable_operation,
10514 vectorizable_type_demotion, vect_gen_widened_results_half,
10515 vect_permute_store_chain, vectorizable_store,
10516 vect_setup_realignment, vect_permute_load_chain,
10517 vectorizable_load, vectorizable_condition,
10518 vect_create_cond_for_align_checks): Likewise.
10519 * tree-vrp.c (build_assert_expr_for): Likewise.
10521 2007-03-08 Ian Lance Taylor <iant@google.com>
10523 * tree-vrp.c: Include "intl.h".
10524 (usable_range_p): New static function.
10525 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
10526 overflowed values, juts set *strict_overflow_p.
10527 (compare_values): Only return -2 if one of the operands is not a
10529 (compare_ranges): Call usable_range_p.
10530 (compare_range_with_value): Likewise.
10531 (vrp_evaluate_conditional_warnv): Rename from
10532 vrp_evaluate_conditional. Make static. Change all callers.
10533 (vrp_evaluate_conditional): New function.
10534 (simplify_div_or_mod_using_ranges): Issue warning about reliance
10535 on signed overflow.
10536 (simplify_abs_using_ranges): Likewise.
10537 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
10538 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
10539 within_stmt parameter.
10540 * tree-ssa-propagate.c (fold_predicate_in): Update call to
10541 vrp_evaluate_conditional.
10542 * tree-ssa-threadedge.c
10543 (record_temporary_equivalences_from_stmts_at_dest): Change
10544 simplify parameter to take a second tree parameter.
10545 (simplify_control_stmt_condition): Likewise.
10546 (thread_across_edge): Likewise.
10547 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
10548 (thread_across_edge): Likewise.
10549 * Makefile.in (tree-vrp.o): Depend upon intl.h.
10551 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
10553 * config/i386/i386.h (TARGET_SAHF): New define.
10554 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
10555 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
10556 (x86_sahf): New global variable.
10557 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
10558 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
10559 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
10560 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
10562 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
10563 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
10564 when expanding fcomi/sahf based tests.
10565 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
10566 expanding sahf based alternative. Emit sahf based sequence when
10567 optimizing for code size.
10568 * config/i386/i386.md (x86_sahf_1): Do not disable for
10569 TARGET_64BIT, enable for TARGET_SAHF.
10571 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
10573 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
10574 spurious whitespace from error message.
10576 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
10579 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
10581 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
10583 * c-decl.c (grokdeclarator): Disable warnings for anonymous
10585 * tree-sra.c (instantiate_element): Propagate disabled warnings
10586 from the element itself to the created variable.
10588 2007-03-07 Richard Henderson <rth@redhat.com>
10591 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
10592 silently fix up the stack in the case of a missing register.
10594 2007-03-07 Paul Brook <paul@codesourcery.com>
10596 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
10598 2007-03-07 Joseph Myers <joseph@codesourcery.com>
10600 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
10602 (phase1_vrs): Use them.
10603 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
10604 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
10605 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
10606 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
10607 __gnu_Unwind_Restore_WMMXC if required.
10608 (_Unwind_VRS_Pop): Implement iWMMXt support.
10609 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
10610 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
10611 gnu_Unwind_Save_WMMXC): Define.
10613 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10615 * config/vxworks.h (vxworks_override_options): Declare.
10616 (VXWORKS_OVERRIDE_OPTIONS): Use it.
10617 * config/vxworks.c: Include target.h and toplev.h.
10618 (vxworks_override_options): New function.
10619 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
10621 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
10623 * config/s390/s390.c (override_options): Don't emit an error when
10624 -mstack-size is used without providing -mstack-guard.
10625 (s390_emit_prologue): Choose stack_guard value automatically if not
10626 provided via command line.
10627 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
10629 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10631 * config/i386/i386.c (output_set_got): Add a GOT initialization
10632 sequence for VxWorks PIC.
10633 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
10634 around labels as well as symbols. Use gotoff_operand instead
10635 of local_symbolic_operand.
10636 (legitimize_pic_address): Use gotoff_operand instead of
10637 local_symbolic_operand. Use @GOT accesses for labels as
10639 (ix86_output_addr_diff_elt): Use PC-relative rather than
10640 GP-relative offsets for VxWorks PIC.
10641 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
10642 no_new_pseudos. Check whether the returned register is op0.
10643 * config/i386/i386.md (tablejump): Use PC-relative rather than
10644 GP-relative offsets for VxWorks PIC.
10645 * config/i386/predicates.md (gotoff_operand): New predicate.
10647 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10649 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
10651 * config/vxworks-dummy.h: New file.
10652 * config/i386/i386.h: Include it.
10654 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
10656 * dwarf2out.c (is_inlined_entry_point): New
10657 (add_high_low_attributes): Emit DW_AT_entry_pc along with
10658 DW_AT_ranges if the first subblock is the entry point.
10660 2007-03-06 David Daney <ddaney@avtrex.com>
10662 * doc/install.texi (mips-*-*): Change recommended binutils
10665 2007-03-06 Anatoly Sokolov <aesok@post.ru>
10667 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
10668 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
10670 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10671 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10673 2007-03-06 Jan Hubicka <jh@suse.cz>
10675 * errors.h (warning, error, fatal, internal_error): Mark as cold.
10676 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
10678 (probably_cold_bb_p): Cold functions are cold.
10679 (probably_never_executed_bb_p): Cold functions are cold.
10680 (tree_bb_level_predictions): Predict calls to cold functions as not
10682 (compute_function_frequency): Check hot/cold attributes.
10683 * function.h (function_frequency): Update comments.
10684 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
10685 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
10686 (c_common_att): Add cold and hot.
10688 * doc/extend.texi (hot,cold attributes): Document.
10690 2007-03-06 Andrew Haley <aph@redhat.com>
10692 * function.c (expand_function_end): Move blockage to just after we
10693 emit the label for the naked return from the function.
10695 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10697 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
10700 2007-03-06 Jan Hubicka <jh@suse.cz>
10702 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
10703 loaded for constant large models. Non-large 64bit PIC can do.
10704 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
10705 * cmodel.h: Add LARGE PIC.
10706 * i386.md (UNSPEC_PLTOFF): New.
10707 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
10709 (*call_1_rex64): Disable for large models.
10710 (*call_1_rex64_large): New.
10711 (*call_value_1_rex64): Disable for large models.
10712 (*call_value_1_rex64_large): New.
10713 (set_rip_rex4): New.
10714 (set_got_offset_rex64): New.
10715 * predicates.md (constant_call_address_operand): For large model
10716 constant calls are not possible.
10717 * i386-protos.h (construct_plt_address): Declare.
10718 * i386.c (override_options): Accept large models.
10719 (ix86_expand_prologue): Expand large PIC GOT pointer load.
10720 (legitimate_constant_p): Add new UNSPECs.
10721 (legitimate_pic_operand_p): Likewise.
10722 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
10723 (legitimize_pic_address): Do easy RIP relative way for TLS only for
10725 (output_pic_addr_const): Add PLTOFF.
10726 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
10727 (ix86_expand_move): Legitimize pic address when in PIC mode.
10728 (construct_plt_address): New function.
10729 (ix86_expand_call): Offload the address to register and use GOT pointer
10731 * invoke.texi (mcmodel=large): Update documentation.
10733 2007-03-06 Richard Henderson <rth@redhat.com>
10735 * config/i386/i386.c (x86_use_leave, x86_push_memory,
10736 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
10737 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
10738 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
10739 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
10740 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
10741 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
10742 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
10743 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
10744 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10745 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10746 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
10747 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10748 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10749 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
10750 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
10751 x86_schedule, x86_use_bt, x86_pad_returns,
10752 x86_use_xchgb): Merge into ...
10753 (ix86_tune_features): ... here. New array.
10754 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10755 x86_bswap): Merge into ...
10756 (ix86_arch_features): ... here. New array.
10757 (x86_3dnow_a): Remove.
10758 (x86_accumulate_outgoing_args): Make static.
10759 (x86_arch_always_fancy_math_387): Make static.
10760 (ix86_tune_mask, ix86_arch_mask): Move ...
10761 (override_options): ... to local variables here. Apply the
10762 appropriate mask to each element of ix86_arch_features and
10763 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
10764 as were done in the old macros.
10765 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
10766 * config/i386/i386.h (x86_use_leave, x86_push_memory,
10767 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
10768 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
10769 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
10770 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
10771 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
10772 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
10773 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
10774 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
10775 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
10776 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10777 x86_accumulate_outgoing_args, x86_prologue_using_move,
10778 x86_epilogue_using_move, x86_decompose_lea,
10779 x86_arch_always_fancy_math_387, x86_shift1,
10780 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10781 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10782 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
10783 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10784 x86_use_incdec, x86_pad_returns, x86_bswap,
10785 x86_partial_flag_reg_stall): Remove.
10786 (enum ix86_tune_indices): New.
10787 (ix86_tune_features): New.
10788 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
10789 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
10790 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
10791 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
10792 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
10793 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
10794 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
10795 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
10796 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
10797 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
10798 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
10799 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
10800 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
10801 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
10802 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
10803 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
10804 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
10805 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
10806 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
10807 TARGET_EXT_80387_CONSTANTS): Use it.
10808 (enum ix86_arch_indices): New.
10809 (ix86_arch_features): New.
10810 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
10811 TARGET_BSWAP): Use it.
10812 (ix86_tune_mask, ix86_arch_mask): Remove.
10814 2007-03-06 Joseph Myers <joseph@codesourcery.com>
10817 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
10818 Define using $${sysroot_headers_suffix}.
10819 * configure: Regenerate.
10820 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
10821 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
10823 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
10824 * gcc.c (print_sysroot_headers_suffix): New.
10825 (option_map): Include --print-sysroot-headers-suffix.
10826 (display_help): Mention -print-sysroot-headers-suffix.
10827 (process_command): Handle -print-sysroot-headers-suffix.
10828 (do_spec_1): Append multilib directory to include-fixed path if
10829 sysroot suffixes in use.
10830 (main): Handle -print-sysroot-headers-suffix.
10831 * Makefile.in (start.encap): Don't depend on xlimits.h
10832 (xlimits.h): Remove.
10833 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
10834 limits.h for each multilib in fixinc_list.
10835 (fixinc_list, s-fixinc_list): New.
10836 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
10837 generate them for each multilib in fixinc_list.
10838 (stmp-fixproto): Use include-fixed. Run fixproto for each
10839 multilib in fixinc_list.
10840 (mostlyclean): Don't remove xlimits.h.
10841 (clean): Remove include-fixed.
10842 (real-install-headers-tar, real-install-headers-cpio,
10843 real-install-headers-cp): Don't copy include, only include-fixed.
10844 (install-mkheaders): Depend on fixinc_list. Don't depend on
10845 xlimits.h. Save limits.h files for each multilib in fixinc_list.
10846 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
10847 SYSTEM_HEADER_DIR setting in mkheaders.conf.
10849 2007-03-06 Jan Hubicka <jh@suse.cz>
10851 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
10854 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10856 * configure.ac: Allow tm_file to contain build-directory files.
10857 * configure: Regenerate.
10858 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
10859 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
10860 * config/m68k/print-sysroot-suffix.sh: New file.
10862 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10864 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
10865 of pic_offset_table_rtx if reload_completed.
10866 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
10867 PIC_OFFSET_TABLE_REGNUM.
10868 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
10870 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
10871 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
10873 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10875 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10876 functions that call eh_return.
10878 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10880 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10881 functions that need a constant pool.
10883 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10886 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
10887 (m68k_preferred_reload_class): Likewise.
10888 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
10889 (SECONDARY_RELOAD_CLASS): Define.
10890 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
10891 (LIMIT_RELOAD_CLASS): Delete.
10892 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
10893 registers from storing bytes.
10894 (m68k_secondary_reload_class): New function.
10895 (m68k_preferred_reload_class): Likewise.
10897 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10899 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
10901 (m68k_expand_prologue): Likewise.
10903 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10905 * config/m68k/m68k-protos.h (output_sibcall): Declare.
10906 (mips_expand_epilogue): Add a bool parameter.
10907 (m68k_legitimize_sibcall_address): Declare.
10908 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
10909 (m68k_expand_epilogue): Add a parameter to select between sibling
10910 and normal epilogues. Only generate a return for the latter.
10911 (m68k_ok_for_sibcall_p): New function.
10912 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
10913 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
10914 (sibcall_value, *sibcall_value): Likewise.
10915 (*call, *call_value): Require !SIBLING_CALL_P.
10916 (epilogue): Update call to m68k_expand_epilogue.
10917 (sibcall_epilogue): New pattern.
10918 * config/m68k/predicates.md (const_call_operand): Say that this
10919 predicate applies to sibling calls too.
10920 (sibcall_operand): New predicate.
10922 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10924 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
10925 alternatives as movsi_cf.
10926 (movsf_cf_hard): Add commentary.
10928 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
10929 Richard Sandiford <richard@codesourcery.com>
10931 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
10932 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
10933 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
10934 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
10935 as being live on exit from an interrupt function.
10936 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
10937 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
10938 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
10939 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
10940 (m68k_interrupt_function_p): Globalize.
10941 (m68k_compute_frame_layout): Remove reverse mask code.
10942 (m68k_emit_movem, m68k_set_frame_related): New functions.
10943 (m68k_output_function_prologue): Delete in favor of...
10944 (m68k_expand_prologue): ...this new function.
10945 (m68k_output_function_epilogue): Delete in favor of...
10946 (m68k_expand_epilogue): ...this new function.
10947 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
10949 (print_operand): Handle %?.
10950 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
10951 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
10952 (prologue, epilogue): New patterns.
10953 (return): Turn into a define_expand.
10954 (*return): New pattern, derived from old "return" pattern. Use rte
10955 rather than rts for interrupt functions. Only use rtd if the pop
10957 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
10958 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
10959 (link, *link, unlink, *unlink, load_got): Likewise.
10961 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10965 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
10966 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
10967 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
10968 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
10969 and m68k_matches_u_p.
10970 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
10971 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
10972 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
10973 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
10974 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
10975 (REG_STRICT_P): New macro.
10976 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
10977 PCREL_GENERAL_OPERAND_OK.
10978 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
10979 m68k_legitimate_base_reg_p.
10980 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
10981 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
10982 (PIC_CASE_VECTOR_ADDRESS): Update comment.
10983 * config/m68k/m68k.c (m68k_address): New structure.
10984 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
10985 (m68k_decompose_index, m68k_legitimate_constant_address_p)
10986 (m68k_jump_table_ref_p, m68k_decompose_address)
10987 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
10988 (m68k_matches_u_p): New functions.
10989 (print_operand_address): Rewrite to use m68k_decompose_index.
10991 2007-03-05 David Taylor <dtaylor@emc.com>
10993 * gcc.c: Correct copyright date in --version output.
10995 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10997 * pa.md: In unamed move patterns, disparge copies between general
10998 and floating point registers using '?' modifier. Don't include 'f'
10999 constraint for register preferences in DImode, SImode, HImode and
11000 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
11001 Remove constraints for copies between general and floating registers
11002 in soft-float DFmode pattern.
11003 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
11007 2007-03-05 Mike Stump <mrs@apple.com>
11009 * c-common.c (targetcm): Add.
11010 * c-opts.c (c_common_handle_option): Handle language specific
11012 * opts.c (handle_option): Verify language for target options, if
11014 * opth-gen.awk: Add CL_LANG_ALL.
11015 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
11016 (TARGETCM_INITIALIZER): Add.
11017 * target.h (struct gcc_targetcm): Add.
11019 * targhooks.c (default_handle_c_option): Add.
11020 * targhooks.h (default_handle_c_option): Add.
11021 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
11023 * config/darwin.opt (iframework): Add.
11024 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
11025 * config/darwin-c.c (handle_c_option): Add.
11026 (TARGET_HANDLE_C_OPTION): Add.
11028 * doc/invoke.texi (Darwin Options): Add -iframework.
11030 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11032 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
11035 2007-03-05 Ian Lance Taylor <iant@google.com>
11037 * c.opt (fgnu89-inline): New option.
11038 * c-opts.c (c_common_post_options): Set default value for
11040 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
11041 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
11043 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
11044 (grokdeclarator, start_function): Likewise.
11045 * c-cppbuiltin.c (c_cpp_builtins): Define either
11046 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
11047 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
11048 (C Dialect Options): Document -fgnu89-inline.
11049 * doc/extend.texi (Function Attributes): Explain what the
11050 gnu_inline attribute does.
11051 * doc/cpp.texi (Common Predefined Macros): Document
11052 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
11054 2007-03-05 Ian Lance Taylor <iant@google.com>
11056 PR tree-optimization/31034
11057 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
11058 half-range if the other side is an overflow infinity.
11060 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
11062 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
11063 (bfin*-linux-uclibc*): New configuration.
11064 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
11066 * config/bfin/linux.h: New file.
11067 * config/bfin/libgcc-bfin.ver: New file.
11068 * config/bfin/t-bfin-uclinux: New file.
11069 * config/bfin/t-bfin-linux: New file.
11070 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
11071 (TARGET_OS_CPP_BUILTINS): New macro.
11073 2007-03-05 Richard Guenther <rguenther@suse.de>
11075 * fold-const.c (fold_binary): Remove duplicate folding
11076 of comparison of non-null ADDR_EXPR against null.
11078 2007-03-05 Richard Guenther <rguenther@suse.de>
11079 Dorit Nuzman <dorit@il.ibm.com>
11081 PR tree-optimization/26420
11082 * tree-vectorizer.c (vectorize_loops): Bail out early if there
11083 are no loops in the function. Only print the number of
11084 vectorized loops if it is greater than zero or we are supposed
11085 to print information about unvectorized loops.
11087 2007-03-05 Revital Eres <eres@il.ibm.com>
11089 * gcc.dg/var-expand1.c: New test.
11090 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
11091 when an accumulator is expanded.
11093 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11096 * c-common.c (convert_and_check): Don't give warnings for
11097 conversion if 'expr' already overflowed.
11099 2007-03-04 Roger Sayle <roger@eyesopen.com>
11101 PR middle-end/30744
11102 * fold-const.c (fold_comparison): Enforce type consistency when
11103 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
11105 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
11107 * tree-ssa-address.c (create_mem_ref): Do not put an expression
11108 containing a cast to the base of TARGET_MEM_REF.
11110 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
11112 * tree.c (tree_contains_struct_check_failed): Remove spurious
11113 whitespace from error message.
11115 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
11118 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
11119 instead of precision.
11121 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
11122 Nathan Sidwell <nathan@codesourcery.com>
11124 * emit-rtl.c (find_auto_inc): New.
11125 (try_split): recreate REG_INC notes,
11126 Use regular for loops rather than whiles.
11128 2007-03-03 Andreas Schwab <schwab@suse.de>
11130 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
11131 * configure: Regenerate.
11133 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11135 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
11136 flag_rounding_math, not flag_unsafe_math_optimizations.
11138 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
11140 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
11141 alpha_fold_vector_minmax): Likewise.
11142 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11143 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
11145 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11147 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
11148 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
11149 if the lhs has side-effects.
11150 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
11152 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11154 * config/i386/i386.h (TUNEMASK): Remove define.
11155 (ARCHMASK): Remove define.
11156 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
11157 Use ix86_arch_mask variable instead of ARCHMASK.
11158 * config/i386/i386.c (override_options): Ditto.
11159 (standard_80387_constant_p): Ditto.
11161 2007-03-02 Ian Lance Taylor <iant@google.com>
11163 Used signed infinities in VRP.
11164 * tree-vrp.c (uses_overflow_infinity): New static function.
11165 (supports_overflow_infinity): New static function.
11166 (make_overflow_infinity): New static function.
11167 (negative_overflow_infinity): New static function.
11168 (positive_overflow_infinity): New static function.
11169 (is_negative_overflow_infinity): New static function.
11170 (is_positive_overflow_infinity): New static function.
11171 (is_overflow_infinity): New static function.
11172 (overflow_infinity_range_p): New static function.
11173 (compare_values_warnv): New function split out of compare_values.
11174 (compare_value): Call it.
11175 (set_value_range_to_nonnegative): Add overflow_infinity
11176 parameter. Change caller.
11177 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
11179 (vrp_expr_computes_nonzero): Likewise.
11180 (compare_ranges, compare_range_with_value): Likewise.
11181 (compare_name_with_value, compare_names): Likewise.
11182 (vrp_evaluate_conditional): Likewise.
11183 (set_value_range): Handle infinity
11184 (vrp_operand_equal_p, operand_less_p): Likewise.
11185 (extract_range_from_assert): Likewise.
11186 (vrp_int_const_binop): Likewise.
11187 (extract_range_from_binary_expr): Likewise.
11188 (extract_range_from_unary_expr): Likewise.
11189 (extract_range_from_comparison): Likewise.
11190 (extract_range_from_expr): Likewise.
11191 (dump_value_range): Likewise.
11192 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
11193 (test_for_singularity): Likewise.
11194 (vrp_int_const_binop): Remove inline qualifier.
11195 (adjust_range_with_scev): Add comment.
11196 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11198 2007-03-02 Diego Novillo <dnovillo@redhat.com>
11200 * tree-ssa-structalias.c (could_have_pointers): Tidy.
11201 (get_constraint_for): Likewise.
11202 (do_structure_copy): Likewise.
11203 (find_func_aliases): Fix references to MODIFY_EXPR.
11204 (intra_create_variable_infos): Tidy.
11205 * tree-ssa-operands.c (add_virtual_operand): Add argument
11207 When adding members of alias sets, if IS_CALL_SITE is true and
11208 the symbol is not call-clobbered, skip it.
11209 Adjust all callers.
11211 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11213 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
11214 entry by means of emit_insn_at_entry.
11216 2007-03-02 Richard Henderson <rth@redhat.com>
11218 * expr.h (promoted_input_arg): Remove decl.
11219 * function.c (promoted_input_arg): Merge into ...
11220 * combine.c (setup_incoming_promotions): ... only caller.
11221 Rearrange to avoid double loop.
11223 2007-03-02 Ben Elliston <bje@au.ibm.com>
11224 Peter Bergner <bergner@vnet.ibm.com>
11225 Janis Johnson <janis187@us.ibm.com>
11227 * config/rs6000/dfp.md: New file.
11228 * config/rs6000/rs6000.md: Include dfp.md.
11229 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
11230 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
11231 and TDmode decimal float modes in FP registers.
11232 (num_insns_constant): Likewise.
11233 (rs6000_legitimate_offset_address_p): Likewise.
11234 (rs6000_legitimize_address): Likewise.
11235 (rs6000_legitimize_reload_address): Likewise.
11236 (rs6000_legitimate_address): Likewise.
11237 (rs6000_emit_move): Likewise.
11238 (function_arg_boundary): Likewise.
11239 (function_arg_advance): Likewise.
11240 (rs6000_darwin64_record_arg_recurse): Likewise.
11241 (function_arg): Likewise.
11242 (rs6000_gimplify_va_arg): Likewise.
11243 (rs6000_split_multireg_move): Likewise.
11244 (rs6000_output_function_epilogue): Likewise.
11245 (rs6000_output_function_epilogue): Likewise.
11246 (rs6000_register_move_cost): Likewise.
11247 (rs6000_function_value): Likewise.
11248 (rs6000_libcall_value): Likewise.
11250 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11252 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
11254 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11256 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
11257 Use $MULTIDIR to choose between the kernel and RTP headers,
11258 and use $WIND_BASE and $WIND_USR to locate them.
11260 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11262 * config/i386/i386.c (override_options): Put initialization of
11263 ix86_tune_mask and ix86_arch_mask to the correct place.
11265 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11266 Michael Meissner <michael.meissner@amd.com>
11269 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
11270 (ARCHMASK): Define.
11271 (TARGET_CMOVE): Use ARCHMASK.
11272 (TARGET_CMPXCHG): Ditto.
11273 (TARGET_CMPXCHG8B): Ditto.
11274 (TARGET_XADD): Ditto.
11275 (TARGET_BSWAP): Ditto.
11276 * config/i386/i386.c (ix86_tune_mask): New global variable.
11277 (ix86_arch_mask): Ditto.
11278 (override_options): Initialize ix86_tune_mask and
11279 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
11282 2007-03-02 Ben Elliston <bje@au.ibm.com>
11285 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
11287 2007-03-02 Joseph Myers <joseph@codesourcery.com>
11289 * target.h (init_dwarf_reg_sizes_extra): New target hook.
11290 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
11291 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
11292 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
11294 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
11295 rs6000_init_dwarf_reg_sizes_extra): New.
11296 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
11297 SPE register high parts.
11299 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
11301 * Makefile.in: Add install-pdf target as
11302 copied from automake v1.10 rules.
11303 * configure.ac: Add install-pdf to target list.
11304 * configure: Regenerate.
11306 2007-03-01 Paul Brook <paul@codesourcery.com>
11308 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
11309 modes to LDRD for DImode.
11310 (output_move_double): Fixup out of range ldrd/strd.
11311 (vfp_secondary_reload_class): Rename...
11312 (coproc_secondary_reload_class): ... to this. Add wb argument.
11313 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
11314 coproc_secondary_reload_class for CLASS_IWMMXT.
11315 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
11316 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
11318 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
11320 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
11321 factor by the estimated number of iterations.
11322 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
11325 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
11326 decode_caches_intel, detect_caches_intel): New functions.
11327 (host_detect_local_cpu): Use detect_caches_amd and
11328 detect_caches_intel.
11330 2007-03-01 Richard Henderson <rth@redhat.com>
11332 * expr.c (emit_move_complex_push): Export.
11333 (emit_move_complex_parts): Split out from ...
11334 (emit_move_complex): ... here.
11335 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
11336 * config/i386/i386.md (movcdi): New.
11338 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
11340 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
11341 size of mode1 to check for tieable modes in MMX case.
11343 2007-03-01 Richard Sandiford <richard@codesourcery.com>
11345 * Makefile.in (rtlanal.o): Depend on tree.h.
11346 * rtl.h (offset_within_section_p, split_const): Declare.
11347 * rtlanal.c: Include tree.h.
11348 (offset_within_block_p): New function, taken from
11349 mips_offset_within_object_p.
11350 (split_const): New function, taken from mips_split_const.
11351 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
11353 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
11354 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
11355 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
11356 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11357 (m68k_illegitimate_symbolic_constant_p): New function.
11358 * config/m68k/m68k.md (movsi): Remove misleading predicates.
11359 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
11360 symbolic constant that might be outside the symbol's section,
11361 move the symbol first and then add the offset.
11362 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
11364 * config/mips/mips.c (mips_split_const): Delete.
11365 (mips_offset_within_object_p): Delete.
11366 (mips_symbolic_constant_p): Use offset_within_section_p and
11367 split_const instead of mips_offset_within_object_p and
11369 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
11370 (mips_legitimize_const_move, print_operand_reloc)
11371 (mips_dangerous_for_la25_p): Use split_const instead of
11374 2007-02-28 Eric Christopher <echristo@apple.com>
11376 * Makefile.in (install-include-dir): Don't rm -rf include.
11378 2007-02-28 Richard Guenther <rguenther@suse.de>
11380 PR middle-end/30364
11381 * fold-const.c (fold_binary): Do not associate expressions
11382 with more than one variable for integer types that do not wrap.
11384 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
11386 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
11387 Delete, and replace with...
11388 (fold_builtin_call_array): This. Update callers to use it.
11389 * fold-const.c (fold_build_call_list): Delete, and replace with...
11390 (fold_build_call_array): This.
11391 (fold_build_call_list_initializer): Delete, and replace with...
11392 (fold_build_call_array_initializer): This.
11393 * tree.h: Update declarations to reflect above changes.
11395 * c-typeck.c (build_function_call): Store converted arguments
11396 in a stack-allocated array instead of building a list.
11397 (convert_arguments): Store arguments in the array passed in as an
11398 argument, and return the actual number of arguments.
11399 * c-format.c: (check_function_format): Pass arguments in an
11400 array instead of a list.
11401 * c-common.c (check_function_nonnull): Likewise.
11402 (check_function_sentinel): Likewise.
11403 (check_function_arguments): Likewise.
11404 * c-common.h: Update declarations to reflect above changes.
11406 2007-02-28 Jan Hubicka <jh@suse.cz>
11408 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
11409 PRED_NEGATIVE_RETURN): Update outcomes.
11411 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
11413 * calls.c (emit_library_call_value_1): Handle partial registers
11414 correctly when building up CALL_INSN_FUNCTION_USAGE.
11416 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11418 * pa/predicates.md (move_src_operand): Allow zero for mode.
11419 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
11422 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
11425 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
11426 *movv2df_internal): Enable pattern only for valid operand
11428 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
11429 tie only 128bit modes. For MMX registers, tie only 64bit modes.
11431 2007-02-27 Mike Stump <mrs@apple.com>
11433 * config/darwin-crt3.c: Avoid compilation when compiling for a
11436 2007-02-27 Joseph Myers <joseph@codesourcery.com>
11438 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
11440 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
11441 for fixed headers and limits.h.
11442 (install-include-dir, install-headers-tar, install-headers-cpio,
11443 install-headers-cp, real-install-headers-tar,
11444 real-install-headers-cpio, real-install-headers-cp): Handle
11445 include-fixed as well as include.
11446 (install-mkheaders): Don't install files that go only in include
11448 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
11449 from GCC_INCLUDE_DIR.
11450 * gcc.c (process_command): Remove special -BstageN/ handling.
11451 (do_spec_1): Add include-fixed directories.
11453 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11455 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
11457 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
11459 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
11462 2007-02-27 Mark Mitchell <mark@codesourcery.com>
11464 * c-common.c (get_priority): Add check for
11465 SUPPORTS_INIT_PRIORITY.
11467 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11469 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
11471 * config/bfin/bfin.c: Include "cfglayout.h".
11472 (MAX_LSETUP_DISTANCE): New macro.
11473 (struct loop_info): New members incoming, incoming_src and
11474 incoming_dest. Delete member predecessor.
11475 (length_for_loop): New function.
11476 (bfin_optimize_loop): Handle more different loop structures.
11477 (bfin_discover_loop): Rework detection of predecessor blocks by
11478 examining incoming edges.
11479 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
11481 (bfin_reorder_loops): New function.
11482 (bfin_reorg_loops): Use these three new functions.
11484 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
11485 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
11486 (CONSTRAINT_LEN): Add entry for 'q'.
11487 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
11488 Add 'q' constraints.
11489 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
11490 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
11492 * config/bfin/bfin.md (add_with_carry): New pattern.
11493 (s_or_u, su_optab, su_modifier): New code macros/attrs.
11494 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
11495 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
11496 support unsigned multiplies too. Removed incorrect commutativity from
11497 operand 1 constraint where appropriate.
11498 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
11500 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
11501 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
11503 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
11504 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
11505 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
11506 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
11507 usmulhisi_hh_huh): New patterns.
11509 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
11510 lshifthi3): Fix output template to use half reg for operand 2.
11512 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
11515 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
11517 2007-02-27 Andreas Schwab <schwab@suse.de>
11519 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
11521 2007-02-27 Jan Hubicka <jh@suse.cz>
11523 * predict.c (last_basic_block_p): Remove.
11524 (tree_estimate_probability): Update return heuristic for commonized
11527 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11529 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
11531 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11533 * doc/include/gcc-common.texi (versionsubtitle): New macro.
11534 * doc/cpp.texi: Standardize title page.
11535 * doc/cppinternals.texi: Likewise.
11536 * doc/gcc.texi: Standardize title page, remove version number
11537 from copyright page.
11538 * doc/gccint.texi: Likewise.
11539 * doc/install.texi: Standardize title page, add table of
11542 2007-02-26 Jan Hubicka <jh@suse.cz>
11544 * predict.def: Set outcomes according to more recent results.
11545 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
11546 Remove dead predictors.
11547 * predict.c (return_prediction): Fix pasto.
11549 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11551 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
11552 change; avoid a memory leak when returning early.
11554 2007-02-26 Mark Mitchell <mark@codesourcery.com>
11556 * c-decl.c (static_ctors): Move to c-common.c.
11557 (static_dtors): Likewise.
11558 (finish_function): Use c_record_cdtor_fn.
11559 (build_cdtor): Move to c-common.c.
11560 (c_write_global_declarations): Use c_build_cdtor_fns.
11561 * c-common.h (static_ctors): Declare.
11562 (static_dtors): Likewise.
11563 (c_record_cdtor_fn): Likewise.
11564 (c_build_cdtor_fns): Likewise.
11565 * c-common.c (static_ctors): New variable.
11566 (static_dtors): Likewise.
11567 (c_record_cdtor_fn): New function.
11568 (build_cdtor): Move from c-decl.c
11569 (c_build_cdtor_fns): New function.
11571 * output.h (assemble_addr_to_section): Declare.
11572 (get_cdtor_priority_section): Likewise.
11573 * varasm.c (assemble_addr_to_section): New function.
11574 (get_cdtor_priority_section): Likewise.
11575 (default_named_section_asm_out_destructor): Use them.
11576 (destor_dtor_section_asm_out_destructor): Likewise.
11577 (default_named_section_asm_out_constructor): Likewise.
11578 (default_ctor_section_asm_out_constructor): Likewise.
11579 * config.gcc (*-*-vxworks*): Include vxworks.o.
11580 * config/t-vxworks (vxworks.o): New target.
11581 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
11582 (TARGET_ASM_CONSTRUCTOR): Define.
11583 (TARGET_ASM_DESTRUCTOR): Likewise.
11584 (vxworks_asm_out_constructor): Declare.
11585 (vxworks_asm_out_destructor): Likewise.
11587 * c-common.c (get_priority): Check that we have not just an
11588 INTEGER_CST, but an integer constant with integeral type.
11590 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
11592 PR tree-optimization/30938
11593 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
11594 use &dt[nargs-1] instead of &dt[nargs] in the call to
11595 vect_is_simple_use().
11597 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
11599 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
11600 from register elimination as PRE_MODIFY / POST_MODIFY increments.
11601 Do not attempt to handle MEM inside auto-inc expressions.
11602 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
11603 of a register modified by an auto-inc expression. However, do handle
11604 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
11605 (elimination_effects): Prohibit elimination of a register modified
11606 by an auto-inc expression. Disable register elimination rules whose
11607 target register is modified by an auto-inc expression with variable
11610 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
11612 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
11614 (array_at_struct_end_p): New function.
11615 (idx_infer_loop_bounds): Use it.
11616 (estimate_numbers_of_iterations_loop): Export.
11617 * predict.c (predict_loops): Use estimated_loop_iterations_int.
11618 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
11619 (tree_estimate_probability): Call record_loop_exits.
11620 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
11621 (estimated_loop_iterations, estimated_loop_iterations_int,
11622 estimated_loop_iterations_tree): New functions.
11623 (analyze_siv_subscript_cst_affine,
11624 compute_overlap_steps_for_affine_1_2,
11625 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
11626 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
11627 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
11628 (PRED_LOOP_ITERATIONS_GUESSED): New.
11629 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
11630 * cfgloop.h (estimate_numbers_of_iterations_loop,
11631 estimated_loop_iterations_int): Declare.
11633 2007-02-25 Mark Mitchell <mark@codesourcery.com>
11635 * doc/extend.texi: Document optional priority argument to
11636 constructors and destructors.
11637 * tree.c (init_priority_for_decl): Adjust GTY markers.
11638 (init_ttree): Use priority-info hash functions for
11639 init_priority_for_decl.
11640 (tree_map_eq): Rename to ...
11641 (tree_map_base_eq): ... this.
11642 (tree_map_marked_p): Rename to ...
11643 (tree_map_base_marked_p): ... this.
11644 (tree_map_base_hash): New function.
11645 (decl_init_priority_lookup): Rework.
11646 (decl_fini_priority_lookup): New function.
11647 (decl_priority_info): New function.
11648 (decl_init_priority_insert): Use it.
11649 (decl_fini_priority_insert): Likewise.
11650 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
11652 (decl_restrict_base_insert): Likewise.
11653 (decl_debug_expr_insert): Likewise.
11654 (decl_value_expr_lookup): Likewise.
11655 (decl_value_expr_insert): Likewise.
11656 * tree.h (priority_type): New type.
11657 (decl_init_priority_lookup): Use priority_type.
11658 (decl_fini_priority_lookup): New function.
11659 (decl_init_priority_insert): Use priority_type.
11660 (decl_fini_priority_insert): New function.
11661 (DECL_HAS_INIT_PRIORITY): Tweak comments.
11662 (DECL_INIT_PRIORITY): Likewise.
11663 (SET_DECL_INIT_PRIORITY): Add comment.
11664 (DECL_FINI_PRIORITY): New macro.
11665 (SET_DECL_FINI_PRIORITY): Likewise.
11666 (DEFAULT_INIT_PRIORITY): Document.
11667 (MAX_INIT_PRIORITY): Likewise.
11668 (MAX_RESERVED_INIT_PRIORITY): Likewise.
11669 (tree_map_base): New type.
11670 (tree_map_base_eq): New function.
11671 (tree_map_base_hash): Likewise.
11672 (tree_map_base_marked_p): Likewise.
11673 (tree_map): Inherit from tree_map_base.
11674 (tree_map_eq): Make it a macro.
11675 (tree_map_marked_p): Likewise.
11676 (tree_int_map): Inherit from tree_map_base.
11677 (tree_int_map_eq): Make it a macro.
11678 (tree_int_map_hash): Likewise.
11679 (tree_int_map_marked_p): Likewise.
11680 (tree_priority_map): New type.
11681 (tree_priority_map_eq): New macro.
11682 (tree_priority_map_hash): Likewise.
11683 (tree_priority_map_marked_p): Likewise.
11684 * varasm.c (emults_decl): Adjust for refactoring of tree_map
11686 (emutls_common_1): Likewise.
11687 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
11688 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
11689 of tree_map hierarchy.
11690 * tree-cfg.c (move_stmt_r): Likewise.
11691 (new_label_mapper): Likewise.
11692 * c-tree.h (c_expand_body): Move to ...
11693 * c-common.h (c_expand_body): ... here.
11694 * c-decl.c (c_expand_body): Move to ...
11695 * c-common.c (c_expand_body): ... here.
11696 (c_common_attribute_table): Allow 1 argument for the constructor
11697 and destructor attributes.
11698 (get_priority): New function.
11699 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
11700 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
11702 2007-02-24 Jan Hubicka <jh@suse.cz>
11704 PR middle-end/30509
11705 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
11707 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11708 Jan Hubicka <jh@suse.cz>
11711 * i386.c (counter_mode): New function.
11712 (expand_set_or_movmem_via_loop): Use it.
11713 (expand_movmem_epilogue): Likewise; fix pasto.
11714 (ix86_expand_movmem): Do emit guard even for constant counts.
11715 (ix86_expand_setmem): Likewise.
11717 2007-02-25 Nick Clifton <nickc@redhat.com>
11719 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
11720 (JUMP_TABLES_IN_TEXT_SECTION): Define.
11722 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11725 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
11726 count argument with 0x10, not with 0x16.
11727 (expand_setmem_epilogue): Ditto.
11729 2007-02-24 Mike Stump <mrs@apple.com>
11731 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
11734 2007-02-24 Richard Guenther <rguenther@suse.de>
11736 PR middle-end/30951
11737 * fold-const.c (fold_binary): Fold x +- CST op x for
11738 EQ_EXPR and NE_EXPR.
11740 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11742 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
11744 2007-02-24 Jan Hubicka <jh@suse.cz>
11746 * cgraphunit.c (decide_is_function_needed): Honor
11747 -fkeep-inline-functions.
11749 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11751 * builtins.c (fold_builtin_modf): New.
11752 (fold_builtin_2): Use it.
11754 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
11756 * loop-iv.c (implies_p): Detect additional cases where A implies B.
11757 (determine_max_iter): Take additional LOOP arg; all callers changed.
11758 Lose broken logic dealing with PLUS. Try to limit the upper bound by
11759 one using simplifications.
11760 (simplify_using_initial_values): Return if the expression becomes
11761 invalid due to altered regs.
11763 2007-02-23 DJ Delorie <dj@redhat.com>
11765 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
11767 2007-02-23 Mike Stump <mrs@apple.com>
11769 * tlink.c (scan_linker_output): Parse linker messages from
11770 darwin9's linker better.
11772 2007-02-23 Steve Ellcey <sje@cup.hp.com>
11775 * varpool.c (varpool_assemble_pending_decls): Set
11776 varpool_last_needed_node to null.
11778 2007-02-23 DJ Delorie <dj@redhat.com>
11780 * config/i386/i386.c (ix86_data_alignment): Don't specify an
11781 alignment bigger than the object file can handle.
11783 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
11786 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
11787 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
11788 (*movsf_1): Penalize MMX moves.
11790 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
11792 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
11793 2^32-1 or more times unless flag_unsafe_loop_optimizations.
11795 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
11797 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11799 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
11800 (fold_builtin_1): Use them.
11801 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
11802 BUILT_IN_SIGNIFICAND.
11804 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
11806 * config/i386/i386.c (bdesc_1arg): Initialize
11807 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
11808 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
11809 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
11810 and IX86_BUILTIN_MOVSLDUP.
11812 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
11814 PR rtl-optimization/30841
11815 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
11817 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11819 * builtins.c (fold_builtin_frexp): New.
11820 (fold_builtin_2): Use it.
11822 2007-02-22 Mark Mitchell <mark@codesourcery.com>
11824 * doc/invoke.texi (Spec Files): Document getenv spec function.
11826 * gcc.c (getenv_spec_function): New function.
11827 (static_spec_functions): Add it.
11828 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
11829 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
11832 2007-02-22 Michael Matz <matz@suse.de
11835 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
11836 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
11838 2007-02-22 Ian Lance Taylor <iant@google.com>
11841 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
11842 (mem_loc_descriptor): Call it.
11844 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
11845 Ira Rosen <irar@il.ibm.com>
11847 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
11849 2007-02-22 Ira Rosen <irar@il.ibm.com>
11851 PR tree-optimization/30843
11852 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
11853 stores only after all the group is vectorized.
11855 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
11857 PR tree-optimization/30858
11858 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
11859 in the reduction cycle have a single use in the loop.
11860 * tree-vectorizer.h (relevant): Add documentation.
11862 2007-02-20 Mike Stump <mrs@apple.com>
11864 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
11865 * configure: Regenerate.
11867 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
11869 Change the defaults of some parameters and options.
11870 * config/spu/spu-protos.h (spu_optimization_options): Declare.
11871 * config/spu/spu.c (spu_optimization_options): Add.
11872 (spu_override_options): Change params in spu_optimization_options.
11873 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
11875 Register 127 is only 16 byte aligned when used as a frame pointer.
11876 * config/spu/spu-protos.h (spu_init_expanders): Declare.
11877 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
11878 HARD_FRAME_POINTER_REGNUM.
11879 (spu_legitimate_address): Use regno_aligned_for_reload.
11880 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
11881 aligned when frame_pointer_needed is true.
11882 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
11884 * config/spu/spu.h (INIT_EXPANDERS): Define.
11886 Make sure shift and rotate instructions have valid immediate operands.
11887 * config/spu/predicates.md (spu_shift_operand): Remove.
11888 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
11889 * config/spu/constraints.md (W, O): Extend range.
11890 * config/spu/spu.md (umask, nmask): Define.
11891 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
11892 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
11893 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
11894 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
11895 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
11896 (lshr<mode>3_reg): Fix rtl description.
11898 Make sure mulhisi immediate operands are valid.
11899 * config/spu/predicates.md (imm_K_operand): Add.
11900 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
11902 Generate constants using fsmbi and andi.
11903 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
11904 (print_operand, spu_split_immediate, classify_immediate,
11905 fsmbi_const_p): Handle IC_FSMBI2.
11907 Correctly handle a CONST_VECTOR containing symbols.
11908 * config/spu/spu.c (print_operand): Handle HIGH correctly.
11909 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
11910 (immediate_load_p): Allow symbols that use 2 instructions to create.
11911 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
11912 with symbols when flag_pic is set.
11913 (const_vector_immediate_p): New.
11914 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
11915 accept a CONST_VECTOR with symbols.
11916 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
11917 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
11919 * config/spu/spu.md (high, low): Delete.
11920 (low_<mode>): Define.
11922 Remove INTRmode and INTR_REGNUM, which didn't work.
11923 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
11925 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
11926 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
11927 peephole2 pattern): Don't use INTR or 131.
11928 (movintrcc): Delete.
11929 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
11930 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
11931 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
11932 (UNSPEC_SET_INTR): Add.
11933 * config/spu/spu-modes.def (INTR): Remove.
11935 More accurate warnings about run-time relocations.
11936 * config/spu/spu.c (reloc_diagnostic): Test in_section.
11938 Correctly warn about immediate arguments to specific intrinsics.
11939 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
11940 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
11941 the instruction predicate.
11943 Fix tree check errors with latest update.
11944 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
11946 (spu_expand_builtin): Use CALL_EXPR_FN.
11948 Add missing specific intrinsics.
11949 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
11951 * config/spu/spu_internals.h: Ditto.
11953 Fix incorrect operand modifiers.
11954 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
11955 * config/spu/spu.md (xor<mode>3): Change %S to %J.
11957 Optimize one case of zero_extend of a vec_select.
11958 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
11960 Accept any immediate for hbr.
11961 * config/spu/spu.md (hbr): Change s constraints to i.
11963 2007-02-21 Paul Brook <paul@codesourcery.com>
11965 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
11966 condexec_count when skipping USE and CLOBBER.
11968 2007-02-21 Nick Clifton <nickc@redhat.com>
11970 * common.opt (Warray-bounds): Add Warning attribute.
11971 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
11973 (fsized-zeroes): Add Optimization attribute.
11974 (fsplit-wide-types, ftree-scev-cprop): Likewise.
11975 * c.opt (Wc++0x-compat): Add Warning attribute.
11977 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
11979 PR middle-end/30761
11980 * reload1.c (eliminate_regs_in_insn): In the single_set special
11981 case, attempt to re-recognize the insn before falling back to
11982 having reload fix it up.
11984 2007-02-20 Eric Christopher <echristo@gmail.com>
11986 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
11987 Rewrite accordingly.
11988 (frv_read_iacc_argument): Ditto.
11989 (frv_expand_set_builtin): Take a call instead of arglist, update for
11991 (frv_expand_unop_builtin): Ditto.
11992 (frv_expand_binop_builtin): Ditto.
11993 (frv_expand_cut_builtin): Ditto.
11994 (frv_expand_binopimm_builtin): Ditto.
11995 (frv_expand_voidbinop_builtin): Ditto.
11996 (frv_expand_int_void2arg): Ditto.
11997 (frv_expand_prefetches): Ditto.
11998 (frv_expand_voidtriop_builtin): Ditto.
11999 (frv_expand_voidaccop_builtin): Ditto.
12000 (frv_expand_load_builtin): Ditto.
12001 (frv_expand_store_builtin): Ditto.
12002 (frv_expand_mdpackh_builtin): Ditto.
12003 (frv_expand_mclracc_builtin): Ditto.
12004 (frv_expand_mrdacc_builtin): Ditto.
12005 (frv_expand_mwtacc_builtin): Ditto.
12006 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
12009 2007-02-20 Janis Johnson <janis187@us.ibm.com>
12011 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
12012 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
12014 (HAVE_GAS_DFP): Check for assembler support of decimal floating
12015 point instructions.
12016 * configure: Regenerate.
12017 * config.in: Regenerate.
12018 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
12019 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
12020 masks to power6 and power6x and to POWERPC_MASKS.
12021 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12023 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
12024 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
12025 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
12026 Access PROTOTYPE as variable, not mask.
12028 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12030 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
12031 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
12032 * combine.c (adjust_for_new_dest): Use it.
12033 * postreload.c (reload_combine): Likewise.
12035 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12037 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
12038 notes on an insn with multiple sets, even if single_set returns
12039 non-NULL for that insn.
12041 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12043 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
12044 scalbn and scalbln.
12046 2007-02-20 Geoffrey Keating <geoffk@apple.com>
12048 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
12049 if user didn't pass it.
12050 * config/i386/darwin.h (CC1_SPEC): Likewise.
12051 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
12052 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
12053 -mmacosx-version-min.
12055 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12056 Uros Bizjak <ubizjak@gmail.com>
12058 * optabs.h (enum optab_index): Add new OTI_scalb.
12059 (scalb_optab): Define corresponding macro.
12060 * optabs.c (init_optabs): Initialize scalb_optab.
12061 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
12063 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
12064 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
12065 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12066 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
12067 flag_unsafe_math_optimizations is set.
12069 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
12070 to implement scalbf, scalb and scalbl built-ins as inline x87
12073 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12074 DJ Delorie <dj@redhat.com>
12077 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
12078 (diagnostic_report_diagnostic): ... here, and turn them into real
12079 errors. If warnings are inhibited, no need to do anything.
12081 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
12083 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
12084 better code generation.
12086 2007-02-20 Ben Elliston <bje@au.ibm.com>
12088 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
12090 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
12092 * config/alpha/alpha.c, config/alpha/alpha.md,
12093 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
12094 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
12095 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
12096 config/arm/lib1funcs.asm: Follow spelling conventions.
12098 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
12099 config/fr30/fr30.md, config/i386/i386.h,
12100 config/iq2000/iq2000.h, config/iq2000/predicates.md,
12101 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
12102 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
12103 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
12104 config/rs6000/altivec.md, config/rs6000/rs6000.c,
12105 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
12106 config/sparc/sparc.c, config/sparc/sparc.h,
12107 config/sparc/sparc.md, config/spu/constraints.md,
12108 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
12111 2007-02-20 Alan Modra <amodra@bigpond.net.au>
12114 * varasm.c (use_blocks_for_decl_p): Return false for decls with
12117 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12119 * doc/invoke.texi (-ftree-lrs): Remove.
12121 2007-02-19 Diego Novillo <dnovillo@redhat.com>
12123 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
12126 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
12128 * config/ia64/ia64.c (ia64_expand_builtin): Use the
12129 new CALL_EXPR_FN macro for retrieving the function
12130 declaration of the input expression.
12132 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12134 * c.opt (Waddress): New.
12135 * common.opt (Walways-true): Delete.
12136 (Wstring-literal-comparison): Delete.
12137 * doc/invoke.texi (Warning Options): Delete -Walways-true and
12138 -Wstring-literal-comparison. Add -Waddress.
12140 (Walways-true): Delete.
12141 (Wstring-literal-comparison): Delete.
12142 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12143 consistently instead of -Walways-true in example.
12144 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
12145 * c-typeck.c (parser_build_binary_op): Replace
12146 -Wstring-literal-comparison and -Walways-true with -Waddress.
12147 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
12150 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12152 * tree-cfg.c (dump_function_to_file): Be prepared for functions
12153 without DECL_STRUCT_FUNCTION initialized.
12155 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12157 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
12158 due to calls to functions taking pointers as parameters.
12160 2007-02-19 Richard Henderson <rth@redhat.com>
12163 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
12166 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
12168 * config/s390/s390.c (s390_call_saved_register_used,
12169 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
12170 accessed to the new scheme.
12172 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12174 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
12175 (cris_print_index, cris_print_operand, cris_print_operand_address)
12176 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
12177 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
12178 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
12179 GET_CODE () == xxx.
12180 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
12181 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
12182 GO_IF_LEGITIMATE_ADDRESS): Ditto.
12183 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
12184 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
12185 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
12186 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
12187 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
12188 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
12189 (uminsi3, call, call_value): Ditto.
12190 (define_split: indir_to_reg_split, unnamed): Ditto.
12192 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
12194 PR tree-optimization/30975
12195 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
12198 2007-02-18 Eric Christopher <echristo@gmail.com>
12200 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
12201 Remove use of arglist.
12202 (mips_expand_builtin): Remove use of arglist, pass in expr.
12203 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
12204 (mips_expand_builtin_movtf): Ditto.
12205 (mips_expand_builtin_compare): Ditto.
12207 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12209 * tree-sra.c (sra_build_assignment): Replace assertion
12210 checking with a comment explaining why it can't be done.
12212 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12214 PR middle-end/30833
12215 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
12216 during CALL_EXPR representation conversion.
12217 * tree-ssa-propagate.c (set_rhs): Likewise.
12219 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12221 * tree-sra.c (sra_build_assignment): Disable assertion checking
12224 2007-02-18 Roger Sayle <roger@eyesopen.com>
12226 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
12227 instead of calling build2 with a GIMPLE_MODIFY_STMT.
12228 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
12230 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
12231 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
12232 gimplify_init_ctor_eval_range, gimple_push_cleanup,
12233 gimplify_omp_for, gimplify_omp_atomic_pipeline,
12234 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
12235 force_gimple_operand): Likewise.
12236 * ipa-cp.c (constant_val_insert): Likewise.
12237 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12238 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
12239 perfect_nestify): Likewise.
12240 * langhooks.c (lhd_omp_assignment): Likewise.
12241 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
12242 lower_copyprivate_clauses, lower_send_clauses,
12243 lower_send_shared_vars, expand_parallel_call,
12244 expand_omp_for_generic, expand_omp_for_static_nochunk,
12245 expand_omp_for_static_chunk, expand_omp_sections,
12246 lower_omp_single_copy, lower_omp_for_lastprivate,
12247 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
12248 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
12249 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
12252 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12254 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
12255 config/sh/sh.md: Follow spelling conventions.
12257 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
12258 config/frv/predicates.md: Follow spelling conventions.
12260 * config/m68k/linux-unwind.h: Fix a comment typo.
12261 * target.h: Follow spelling conventions.
12263 2007-02-18 Roger Sayle <roger@eyesopen.com>
12265 PR rtl-optimization/28173
12266 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
12267 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
12268 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
12269 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
12270 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
12272 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12274 * builtins.c (fold_builtin_load_exponent): New.
12275 (fold_builtin_2): Use it.
12277 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
12279 PR rtl-optimization/30773
12280 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
12281 if we fail to attach a REG_EQUIV note.
12283 2007-02-18 David Edelsohn <edelsohn@gnu.org>
12284 Roger Sayle <roger@eyesopen.com>
12286 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
12288 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12290 * calls.c (initialize_argument_information): Pass original EXP
12291 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
12292 code to split complex arguments here, as part of initializing the
12294 (expand_call): Remove code that builds a list of arguments and
12295 inserts implicit arguments into it. Instead, just count how many
12296 implicit arguments there will be so we can determine the size of
12297 the ARGS array, and let initialize_argument_information do the work.
12298 (split_complex_values): Delete unused function.
12300 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12302 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
12304 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12306 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
12307 for arg pointer based indexed addressing.
12309 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12311 * config/ia64/ia64.h, config/ia64/ia64.md,
12312 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
12313 spelling conventions.
12315 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12317 * config/m68k/m68k.c (split_di): New.
12318 * config/m68k/m68k-protos.h: Declare split_di.
12319 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
12320 Improve predicate handling and split constant shifts.
12322 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12324 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
12325 parameter for register bitfield operations, general predicates
12328 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12330 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
12331 * config/m68k/linux-unwind.h: New file.
12333 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12335 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
12336 config/i386/athlon.md, config/ia64/ia64.md,
12337 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
12338 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
12339 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
12340 tree-ssa-loop-niter.c, tree-vect-analyze.c,
12341 tree-vect-transform.c: Fix comment typos.
12343 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
12345 * sched-deps.c (find_insn_list): Remove.
12346 * sched-int.h: Remove the prototype for find_insn_list.
12348 2007-02-16 Geoffrey Keating <geoffk@apple.com>
12350 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
12352 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
12353 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
12354 darwin_rs6000_override_options.
12355 (C_COMMON_OVERRIDE_OPTIONS): Expect
12356 darwin_macosx_version_min to be non-NULL always.
12357 (TARGET_C99_FUNCTIONS): Likewise.
12358 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
12359 (DARWIN_MINVERSION_SPEC): New.
12360 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
12361 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
12363 (DARWIN_MINVERSION_SPEC): New.
12364 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
12366 * config/darwin-c.c (darwin_cpp_builtins): Expect
12367 darwin_macosx_version_min to be non-NULL always.
12369 * config/rs6000/rs6000.c: Clean up trailing whitespace.
12371 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
12373 * config/i386/i386.h (x86_use_xchgb): New.
12374 (TARGET_USE_XCHGB): New macro.
12375 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
12376 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
12377 Split after reload into bswaphi for shifts of 8.
12378 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
12379 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
12380 or when optimizing for size.
12382 2007-02-16 Richard Guenther <rguenther@suse.de>
12383 Christian Bruel <christian.bruel@st.com>
12385 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
12386 DECLs but prefer SSA_NAMEs over DECLs.
12388 2007-02-16 Richard Guenther <rguenther@suse.de>
12390 * tree-flow-inline.h (single_imm_use_p): Remove.
12391 (zero_imm_uses_p): Likewise.
12392 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
12393 instead of single_imm_use_p.
12394 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
12397 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12400 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
12401 nested double- and backquotes.
12403 2007-02-15 Roger Sayle <roger@eyesopen.com>
12405 PR middle-end/30391
12406 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
12407 should be unreachable.
12408 (build2_stat): Allow construction of MODIFY_EXPR at any time.
12409 For the time being redirect GIMPLE_MODIFY_STMT to the new
12410 (renamed) build_gimple_modify_stmt_stat.
12411 (build2_gimple_stat): Rename to...
12412 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
12413 Always build a GIMPLE_MODIFY_STMT node.
12414 * tree.h (build2_gimple, build2_gimple_stat): Delete.
12415 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
12418 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
12419 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
12420 * tree-complex.c (set_component_ssa_name, expand_complex_move,
12421 expand_complex_div_wide): Likewise.
12422 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
12423 * tree-ssa-loop-im.c (schedule_sm): Likewise.
12424 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
12425 * tree-ssa-loop-manip.c (create_iv): Likewise.
12426 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
12427 abs_replacement): Likewise.
12428 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
12429 realify_fake_stores): Likewise.
12431 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
12432 node rather than a GIMPLE_MODIFY_STMT node.
12433 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
12434 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
12436 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
12437 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
12438 GIMPLE_MODIFY_STMT.
12440 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12442 PR middle-end/30433
12443 * fold-const.c (fold_comparison): Add back the
12444 folding of constant complex comparisions.
12446 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12448 PR middle-end/30729
12449 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
12450 effects unknown to this function, return early.
12452 2007-02-15 Ian Lance Taylor <iant@google.com>
12454 * lower-subreg.c (move_eh_region_note): New static function.
12455 (resolve_simple_move): Call it.
12456 (decompose_multiword_subregs): Track blocks for which we resolve a
12457 simple move which is also a control flow insn. Pass them to
12458 find_many_sub_basic_blocks.
12459 (pass_lower_subreg): Add TODO_verify_flow.
12460 (pass_lower_subreg2): Likewise.
12462 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12463 Brooks Moses <brooks.moses@codesourcery.com>
12464 Lee Millward <lee.millward@codesourcery.com>
12466 * tree.h (enum tree_code_class): Add tcc_vl_exp.
12467 (VL_EXP_CLASS_P): New.
12468 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
12470 (TREE_OPERAND_CHECK_CODE): Likewise.
12471 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
12472 (TREE_RTL_OPERAND_CHECK): Likewise.
12473 (tree_operand_check_failed): Make second parameter the whole tree
12474 instead of its code. Fixed callers.
12475 (VL_EXP_CHECK): New.
12476 (TREE_OPERAND_LENGTH): New.
12477 (VL_EXP_OPERAND_LENGTH): New.
12478 (CALL_EXPR_FN): New.
12479 (CALL_EXPR_STATIC_CHAIN): New.
12480 (CALL_EXPR_ARGS): New.
12481 (CALL_EXPR_ARG): New.
12482 (call_expr_nargs): New.
12483 (CALL_EXPR_ARGP): New.
12484 (build_nt_call_list): Declare.
12485 (build_vl_exp_stat): Declare.
12486 (build_vl_exp): New.
12487 (build_call_list): Declare.
12488 (build_call_nary): Declare.
12489 (build_call_valist): Declare.
12490 (build_call_array): Declare.
12491 (call_expr_arg): Declare.
12492 (call_expr_argp): Declare.
12493 (call_expr_arglist): Declare.
12494 (fold_build_call_list): Declare.
12495 (fold_build_call_list_initializer): Declare.
12496 (fold_call_expr): Declare to replace fold_builtin.
12497 (fold_builtin_fputs): Update to agree with modified definition.
12498 (fold_builtin_strcpy): Likewise.
12499 (fold_builtin_strncpy): Likewise.
12500 (fold_builtin_memory_chk): Likewise.
12501 (fold_builtin_stxcpy_chk): Likewise.
12502 (fold_builtin_strncpy_chk): Likewise.
12503 (fold_builtin_next_arg): Likewise.
12504 (fold_build_call_expr): Declare.
12505 (fold_builtin_call_list): Declare.
12506 (fold_builtin_call_valist): Declare.
12507 (build_call_expr): Declare.
12508 (validate_arglist): Update to agree with modified definition.
12509 (tree_operand_length): New.
12510 (call_expr_arg_iterator): New.
12511 (init_call_expr_arg_iterator): New.
12512 (next_call_expr_arg): New.
12513 (first_call_expr_arg): New.
12514 (more_call_expr_args_p): New.
12515 (FOR_EACH_CALL_EXPR_ARG): New.
12517 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
12518 and tcc_gimple_stmt.
12519 (tree_code_size): Update documentation. Use sizeof (tree) rather
12520 than sizeof (char *).
12521 (tree_size): Likewise. Add case for tcc_vl_exp.
12522 (tree_node_structure): Add case for tcc_vl_exp.
12523 (contains_placeholder_p): Likewise.
12524 (substitute_in_expr): Likewise.
12525 (substitute_placeholder_in_expr): Likewise.
12526 (stabilize_reference_1): Likewise.
12527 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
12528 to diagnose breakage of this interface for constructing CALL_EXPRs.
12529 (build_nt): Add similar assertion here.
12530 (build_nt_call_list): New.
12531 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
12532 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
12534 (get_callee_fndecl): Use new CALL_EXPR accessors.
12535 (tree_operand_check_failed): Change parameters to pass entire node
12536 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
12537 (process_call_operands): New.
12538 (build_vl_exp_stat): New.
12539 (build_call_list): New.
12540 (build_call_nary): New.
12541 (build_call_valist): New.
12542 (build_call_array): New.
12543 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12544 (call_expr_arglist): New.
12546 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
12547 tcc_vl_exp instead of a fixed-size tcc_expression.
12549 * doc/c-tree.texi (CALL_EXPR): Document new representation and
12550 accessors for CALL_EXPRs.
12551 (AGGR_INIT_EXPR): Likewise.
12553 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12554 Brooks Moses <brooks.moses@codesourcery.com>
12555 Lee Millward <lee.millward@codesourcery.com>
12557 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
12558 (expand_builtin_nonlocal_goto): Change parameter to be entire
12559 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
12560 (expand_builtin_prefetch): Likewise.
12561 (expand_builtin_classify_type): Likewise.
12562 (mathfn_built_in): Return NULL_TREE instead of 0.
12563 (expand_errno_check): Use new CALL_EXPR accessors.
12564 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
12565 Return NULL_RTX instead of 0.
12566 (expand_builtin_mathfn_2): Likewise.
12567 (expand_builtin_mathfn_3): Likewise.
12568 (expand_builtin_interclass_mathfn): Likewise.
12569 (expand_builtin_sincos): Likewise.
12570 (expand_builtin_cexpi): Likewise.
12571 (expand_builtin_int_roundingfn): Likewise.
12572 (expand_builtin_int_roundingfn_2): Likewise.
12573 (expand_builtin_pow): Likewise.
12574 (expand_builtin_powi): Likewise.
12575 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
12576 of arglist, fixing callers appropriately. Use new CALL_EXPR
12577 accessors and constructors. Return NULL_RTX instead of 0.
12578 (expand_builtin_strstr): Likewise.
12579 (expand_builtin_strchr): Likewise.
12580 (expand_builtin_strrchr): Likewise.
12581 (expand_builtin_strpbrk): Likewise.
12582 (expand_builtin_memcpy): Likewise.
12583 (expand_builtin_mempcpy): Likewise.
12584 (expand_builtin_mempcpy_args): New.
12585 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
12586 (expand_builtin_memmove_args): New.
12587 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
12588 (expand_movstr): Likewise.
12589 (expand_builtin_strcpy): Likewise.
12590 (expand_builtin_strcpy_args): New.
12591 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
12592 (expand_builtin_strncpy): Likewise.
12593 (expand_builtin_memset): Likewise.
12594 (expand_builtin_memset_args): New.
12595 (expand_builtin_bzero): Similarly to expand_builtin_memset.
12596 (expand_builtin_memcmp): Likewise.
12597 (expand_builtin_strcmp): Likewise.
12598 (expand_builtin_strncmp): Likewise.
12599 (expand_builtin_strcat): Likewise.
12600 (expand_builtin_strncat): Likewise.
12601 (expand_builtin_strspn): Likewise.
12602 (expand_builtin_strcspn): Likewise.
12603 (expand_builtin_args_info): Likewise.
12604 (expand_builtin_va_start): Likewise.
12605 (gimplify_va_arg_expr): Likewise.
12606 (expand_builtin_va_end): Likewise.
12607 (expand_builtin_va_copy): Likewise.
12608 (expand_builtin_frame_address): Likewise.
12609 (expand_builtin_alloca): Likewise.
12610 (expand_builtin_bswap): Likewise.
12611 (expand_builtin_unop): Likewise.
12612 (expand_builtin_fputs): Likewise.
12613 (expand_builtin_expect): Likewise.
12614 (expand_builtin_fabs): Likewise.
12615 (expand_builtin_copysign): Likewise.
12616 (expand_builtin_printf): Likewise.
12617 (expand_builtin_fprintf): Likewise.
12618 (expand_builtin_sprintf): Likewise.
12619 (expand_builtin_init_trampoline): Likewise.
12620 (expand_builtin_signbit): Likewise.
12621 (expand_builtin_fork_or_exec): Likewise.
12622 (expand_builtin_sync_operation): Likewise.
12623 (expand_builtin_compare_and_swap): Likewise.
12624 (expand_builtin_lock_test_and_set): Likewise.
12625 (expand_builtin_lock_release): Likewise.
12626 (expand_builtin): Likewise.
12627 (builtin_mathfn_code): Likewise.
12629 (fold_builtin_constant_p): Pass call arguments individually instead
12630 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12631 accessors and constructors. Return NULL_TREE instead of 0.
12632 (fold_builtin_expect): Likewise.
12633 (fold_builtin_classify_type): Likewise.
12634 (fold_builtin_strlen): Likewise.
12635 (fold_builtin_nan): Likewise.
12636 (integer_valued_real_p): Likewise.
12637 (fold_trunc_transparent_mathfn): Likewise.
12638 (fold_fixed_mathfn): Likewise.
12639 (fold_builtin_cabs): Likewise.
12640 (fold_builtin_sqrt): Likewise.
12641 (fold_builtin_cbrt): Likewise.
12642 (fold_builtin_cos): Likewise.
12643 (fold_builtin_cosh): Likewise.
12644 (fold_builtin_tan): Likewise.
12645 (fold_builtin_sincos): Likewise.
12646 (fold_builtin_cexp): Likewise.
12647 (fold_builtin_trunc): Likewise.
12648 (fold_builtin_floor): Likewise.
12649 (fold_builtin_ceil): Likewise.
12650 (fold_builtin_round): Likewise.
12651 (fold_builtin_int_roundingfn): Likewise.
12652 (fold_builtin_bitop): Likewise.
12653 (fold_builtin_bswap): Likewise.
12654 (fold_builtin_logarithm): Likewise.
12655 (fold_builtin_hypot): Likewise.
12656 (fold_builtin_pow): Likewise.
12657 (fold_builtin_powi): Likewise.
12658 (fold_builtin_exponent): Likewise.
12659 (fold_builtin_memset): Likewise.
12660 (fold_builtin_bzero): Likewise.
12661 (fold_builtin_memory_op): Likewise.
12662 (fold_builtin_bcopy): Deleted; call site changed to invoke
12663 fold_builtin_memory_op directly.
12664 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
12665 (fold_builtin_strncpy): Likewise.
12666 (fold_builtin_memcmp): Likewise.
12667 (fold_builtin_strcmp): Likewise.
12668 (fold_builtin_strncmp): Likewise.
12669 (fold_builtin_signbit): Likewise.
12670 (fold_builtin_copysign): Likewise.
12671 (fold_builtin_isascii): Likewise.
12672 (fold_builtin_toascii): Likewise.
12673 (fold_builtin_isdigit): Likewise.
12674 (fold_builtin_fabs): Likewise.
12675 (fold_builtin_abs): Likewise.
12676 (fold_builtin_fmin_fmax): Likewise.
12677 (fold_builtin_carg): Likewise.
12678 (fold_builtin_classify): Likewise.
12679 (fold_builtin_unordered_cmp): Likewise.
12681 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
12682 New functions split out from fold_builtin_1.
12683 (fold_builtin_n): New.
12684 (fold_builtin_varargs): New.
12685 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
12687 (fold_call_expr): New.
12688 (build_function_call_expr): Rewrite to use new helper function.
12689 (fold_builtin_call_list): New.
12690 (build_call_expr): New.
12691 (fold_builtin_call_valist): New.
12692 (rewrite_call_expr): New.
12693 (validate_arg): New.
12694 (validate_arglist): Change parameter to be entire CALL_EXPR instead
12695 of an arglist. Change return type to bool. Use new CALL_EXPR
12698 (fold_builtin_strstr): Pass call arguments individually instead
12699 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12700 accessors and constructors. Return NULL_TREE instead of 0.
12701 (fold_builtin_strchr): Likewise.
12702 (fold_builtin_strrchr): Likewise.
12703 (fold_builtin_strpbrk): Likewise.
12704 (fold_builtin_strcat): Likewise.
12705 (fold_builtin_strncat): Likewise.
12706 (fold_builtin_strspn): Likewise.
12707 (fold_builtin_strcspn): Likewise.
12708 (fold_builtin_fputs): Likewise.
12709 (fold_builtin_next_arg): Likewise.
12710 (fold_builtin_sprintf): Likewise.
12712 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
12713 NULL_RTX instead of 0.
12714 (expand_builtin_memory_chk): Likewise.
12715 (maybe_emit_chk_warning): Likewise.
12716 (maybe_emit_sprintf_chk_warning): Likewise.
12718 (fold_builtin_object_size): Pass call arguments individually instead
12719 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12720 accessors and constructors. Return NULL_TREE instead of 0.
12721 (fold_builtin_memory_chk): Likewise.
12722 (fold_builtin_stxcpy_chk): Likewise.
12723 (fold_builtin_strncpy_chk): Likewise.
12724 (fold_builtin_strcat_chk): Likewise.
12725 (fold_builtin_strcat_chk): Likewise.
12726 (fold_builtin_strncat_chk): Likewise.
12727 (fold_builtin_sprintf_chk): Likewise.
12728 (fold_builtin_snprintf_chk): Likewise.
12729 (fold_builtin_printf): Likewise.
12730 (fold_builtin_vprintf): Likewise.
12732 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
12734 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
12735 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12736 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
12737 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
12738 (fold_unary): Likewise.
12739 (fold_binary): Likewise.
12740 (fold_ternary): Remove CALL_EXPR case, since they are no longer
12741 ternary expressions.
12742 (fold): Add logic for tcc_vl_exp.
12743 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
12744 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12745 (fold_build3_stat): Add assertion to flag broken interface for
12746 constructing CALL_EXPRs.
12747 (fold_build_call_list): New.
12748 (fold_build_call_list_initializer): New.
12749 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
12751 (fold_strip_sign_ops): Likewise.
12753 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12754 Brooks Moses <brooks.moses@codesourcery.com>
12755 Lee Millward <lee.millward@codesourcery.com>
12757 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
12758 accessors and dump arguments explicitly.
12760 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
12762 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
12764 (print_call_name): Use new CALL_EXPR accessors.
12766 * print-tree.c (print_node): Add case tcc_vl_exp. Print
12767 CALL_EXPR arguments explicitly instead of as a list. Use
12768 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12770 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
12771 (vrp_visit_stmt): Likewise.
12773 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
12774 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
12776 (force_move_till_expr): Likewise.
12778 * targhooks.c (default_external_stack_protect_fail): Use
12779 build_call_expr instead of build_function_call_expr.
12780 (default_hidden_stack_protect_fail): Likewise.
12782 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
12785 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
12786 and walk arguments explicitly.
12788 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
12789 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12790 (expand_simple_operations): Likewise.
12791 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
12793 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
12794 of TREE_CODE_LENGTH.
12795 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
12797 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
12798 instead of TREE_CODE_LENGTH.
12800 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
12801 (tree_ic_transform): Likewise.
12802 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
12803 parameter instead of arglist. Fix callers.
12804 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
12805 (tree_stringops_transform): Likewise.
12806 (tree_indirect_call_to_profile): Likewise.
12807 (tree_stringops_values_to_profile): Likewise.
12809 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
12810 (eliminate_tail_call): Likewise.
12812 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
12814 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
12815 Use TREE_OPERAND_LENGTH and generalize to handle any number of
12817 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
12819 * omp-low.c (build_omp_barrier): Use build_call_expr.
12820 (lower_rec_input_clauses): Likewise.
12821 (lower_reduction_clauses): Likewise.
12822 (expand_parallel_call): Likewise.
12823 (maybe_catch_exception): Likewise.
12824 (expand_omp_for_generic): Likewise.
12825 (expand_omp_for_static_nochunk): Likewise.
12826 (expand_omp_sections): Likewise.
12827 (lower_omp_single_simple): Likewise.
12828 (lower_omp_single_copy): Likewise.
12829 (lower_omp_master): Likewise.
12830 (lower_omp_ordered): Likewise.
12831 (lower_omp_critical): Likewise.
12833 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
12834 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
12836 * tree-gimple.c (is_gimple_call_addr): Fix doc.
12837 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
12838 TREE_CODE_LENGTH. Add tcc_vl_exp case.
12840 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
12841 and generalize to handle any number of operands.
12842 (chrec_contains_undetermined): Likewise.
12843 (tree_contains_chrecs): Likewise.
12844 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
12846 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
12848 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
12849 fold_call_expr instead of fold_builtin.
12850 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
12851 match declarations there.
12852 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
12855 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
12856 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12858 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
12859 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
12861 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
12864 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
12865 (execute_cse_sincos): Use new CALL_EXPR accessors.
12867 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
12869 * gimple-low.c (lower_function_body): Use build_call_expr.
12870 (lower_builtin_setjmp): Likewise.
12872 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
12873 (set_storage_via_libcall): Likewise.
12874 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
12875 instead of TREE_CODE_LENGTH.
12876 (expand_expr_real_1): Use new CALL_EXPR accessors.
12878 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
12879 generalize to handle any number of operands.
12880 (TB_parent_eq): Likewise.
12882 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
12883 (strip_builtin_expect): Likewise.
12885 * function.c (gimplify_parameters): Use build_call_expr.
12887 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
12888 instead of TREE_CODE_LENGTH.
12890 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
12891 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
12893 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
12896 * gimplify.c (build_stack_save_restore): Use build_call_expr.
12897 (gimplify_decl_expr): Likewise.
12898 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
12899 Use new CALL_EXPR iterators.
12900 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
12901 (gimplify_modify_expr_to_memset): Likewise.
12902 (gimplify_variable_sized_compare): Likewise.
12903 (gimplify_omp_atomic_fetch_op): Likewise.
12904 (gimplify_omp_atomic_pipeline): Likewise.
12905 (gimplify_omp_atomic_mutex): Likewise.
12906 (gimplify_function_tree): Likewise.
12908 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
12909 (call_expr_flags): Likewise.
12910 (expand_call): Likewise.
12912 * except.c (expand_builtin_eh_return_data_regno): Pass entire
12913 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
12916 * coverage.c (create_coverage): Use build_call_expr.
12918 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
12919 (temp_call_expr_obstack): New.
12920 (pool_copy_list): Delete.
12921 (temp_copy_call_expr): New.
12922 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
12923 CALL_EXPR accessors. Get rid of special goo for copying argument
12924 lists and use temp_copy_call_expr instead.
12925 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
12926 CALL_EXPR accessors.
12927 (create_expression_by_pieces): Likewise. Use build_call_array
12928 to construct the result instead of fold_build3.
12929 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
12930 dealing with argument lists.
12931 (init_pre): Remove references to expression_node_pool and
12932 list_node_pool. Init temp_call_expr_obstack instead.
12933 (fini_pre): Remove references to expression_node_pool and
12936 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
12937 and walk arguments explicitly instead of as a list.
12939 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
12940 (mx_register_decls): Likewise.
12941 (mudflap_register_call): Likewise.
12942 (mudflap_finish_file): Likewise.
12944 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
12945 (ipa_callsite_compute_param): Likewise.
12947 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
12948 accessors and constructor.
12950 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
12951 accessors and constructor.
12952 (convert_tramp_reference): Likewise.
12953 (convert_call_expr): Likewise.
12954 (finalize_nesting_tree_1): Likewise.
12956 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
12959 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
12961 * tree-inline.c (initialize_inlined_parameters): Pass entire
12962 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
12964 (estimate_num_insns_1): Use new CALL_EXPR accessors.
12965 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
12967 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
12968 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12969 (vectorizable_reduction): Likewise.
12970 (vectorizable_call): Use new CALL_EXPR iterators.
12971 (vectorizable_conversion): Use build_call_expr.
12972 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
12973 (vect_gen_widened_results_half): Use build_call_expr.
12974 (vect_setup_realignment): Likewise.
12975 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
12977 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
12978 (pass_through_call): Likewise.
12979 (compute_object_sizes): Likewise. Use fold_call_expr instead of
12982 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
12983 (tree_gen_pow2_profiler): Likewise.
12984 (tree_gen_one_value_profiler): Likewise.
12985 (tree_gen_ic_func_profiler): Likewise.
12986 (tree_gen_average_profiler): Likewise.
12987 (tree_gen_ior_profiler): Likewise.
12989 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
12990 (find_func_aliases): Use new CALL_EXPR accessors. Add case
12991 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12993 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
12994 of TREE_CODE_LENGTH.
12996 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
12997 of TREE_CODE_LENGTH.
12999 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
13001 (convert_to_integer): Likewise.
13003 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
13006 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13007 Brooks Moses <brooks.moses@codesourcery.com>
13008 Lee Millward <lee.millward@codesourcery.com>
13010 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
13012 * config/frv/frv.c (frv_expand_builtin): Likewise.
13013 * config/s390/s390.c (s390_expand_builtin): Likewise.
13015 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
13016 (sparc_expand_builtin): Use new CALL_EXPR accessors.
13018 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
13019 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
13020 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
13021 (ix86_expand_store_builtin): Likewise.
13022 (ix86_expand_unop_builtin): Likewise.
13023 (ix86_expand_unop1_builtin): Likewise.
13024 (ix86_expand_sse_compare): Likewise.
13025 (ix86_expand_sse_comi): Likewise.
13026 (ix86_expand_vec_init_builtin): Likewise.
13027 (ix86_expand_vec_ext_builtin): Likewise.
13028 (ix86_expand_vec_set_builtin): Likewise.
13029 (ix86_expand_builtin): Use new CALL_EXPR accessors.
13031 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
13032 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
13034 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
13035 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13036 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
13038 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
13040 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13041 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
13042 arglist. Use new CALL_EXPR accessors. Fix callers.
13043 (altivec_expand_abs_builtin): Likewise.
13044 (rs6000_expand_binop_builtin): Likewise.
13045 (altivec_expand_predicate_builtin): Likewise.
13046 (altivec_expand_lv_builtin): Likewise.
13047 (spe_expand_stv_builtin): Likewise.
13048 (altivec_expand_stv_builtin): Likewise.
13049 (rs6000_expand_ternop_builtin): Likewise.
13050 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
13051 (altivec_expand_st_builtin): Likewise.
13052 (altivec_expand_dst_builtin): Likewise.
13053 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
13054 arglist. Use new CALL_EXPR accessors. Fix callers.
13055 (altivec_expand_vec_set_builtin): Likewise.
13056 (altivec_expand_vec_ext_builtin): Likewise.
13057 (altivec_expand_builtin): Use new CALL_EXPR accessors.
13058 (spe_expand_builtin): Likewise.
13059 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
13060 arglist. Use new CALL_EXPR accessors. Fix callers.
13061 (spe_expand_evsel_builtin): Likewise.
13062 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
13063 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
13065 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
13066 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13067 (arm_expand_unop_builtin): Likewise.
13068 (arm_expand_builtin): Use new CALL_EXPR accessors.
13070 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
13073 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
13074 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13075 (bfin_expand_unop_builtin): Likewise.
13076 (bfin_expand_builtin): Use new CALL_EXPR accessors.
13078 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13079 Brooks Moses <brooks.moses@codesourcery.com>
13080 Lee Millward <lee.millward@codesourcery.com>
13082 * c-semantics.c (build_stmt): Add internal diagnostic check.
13084 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
13085 accessors. Print arguments explicitly instead of as a list.
13087 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
13089 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
13090 (c_finish_omp_flish): Likewise.
13092 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
13093 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
13094 instead of TREE_CODE_LENGTH.
13095 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
13096 (c_warn_unused_result): Likewise.
13098 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13101 * doc/invoke.texi (Warning Options): Remove
13102 -Werror-implicit-function-declaration.
13103 (Wimplicit-function-declaration): Update description.
13104 * opts.c (common_handle_option): Move handling of -Werror=* to...
13105 (enable_warning_as_error): ...here.
13106 * opts.h (enable_warning_as_error): Declare.
13107 * c-decl.c (implicit_decl_warning): Unless
13108 -Wno-implicit-function-declaration is given, emit a pedwarn if
13109 -std=c99 or emit a warning if -Wimplicit-function-declaration.
13110 * c.opt (Wimplicit-function-declaration): Replace
13111 mesg_implicit_function_declaration with
13112 warn_implicit_function_declaration.
13113 * c-opts.c (c_common_handle_option):
13114 -Werror-implicit-function-declaration is exactly equal as
13115 -Werror=implicit-function-declaration.
13116 (set_Wimplicit): Replace mesg_implicit_function_declaration with
13117 warn_implicit_function_declaration.
13118 (c_common_post_options): -Wimplict-function-declaration is enabled
13119 by default by -std=c99, otherwise is disabled by default.
13120 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
13122 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13124 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
13125 DECL on the rhs to a DECL on the lhs for debug info purposes if the
13126 former is ignored but not the latter.
13128 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13130 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
13131 is made and the reference doesn't use the alias set of its type,
13132 do not create the temporary using that type.
13134 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
13136 * jump.c: Remove prototypes for delete_computation and
13137 delete_prior_computation.
13139 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13141 * jump.c (get_label_after): Delete.
13142 (get_label_before, delete_computation, delete_jump,
13143 delete_prior_computation, follow_jumps): Move...
13144 * reorg.c (delete_computation, delete_prior_computation): ... here...
13145 (get_label_before, delete_jump): ... making these static ...
13146 (follow_jumps): ... and simplifying this since it only runs after
13148 * rtl.h (get_label_after, get_label_before, delete_jump,
13149 follow_jumps): Delete prototypes.
13151 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13153 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
13155 2007-02-15 Nick Clifton <nickc@redhat.com>
13157 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
13158 order to prevent it from being munged by the target.
13160 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
13162 * config/i386/i386.md: Remove misleading comment.
13164 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13166 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
13167 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
13170 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13172 * tree-sra.c (instantiate_missing_elements): Canonicalize
13174 (sra_build_assignment): New.
13175 (generate_copy_inout, generate_element_copy,
13176 generate_element_zero, generate_one_element_init): Use it.
13178 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13180 * tree-sra.c (instantiate_missing_elements): Canonicalize
13182 (sra_build_assignment): New.
13183 (generate_copy_inout, generate_element_copy,
13184 generate_element_zero, generate_one_element_init): Use it.
13186 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13188 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
13191 2007-02-14 Joseph Myers <joseph@codesourcery.com>
13193 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
13194 types as aggregates not scalars.
13195 * function.c (assign_stack_temp_for_type): Likewise.
13197 2007-02-14 Roger Sayle <roger@eyesopen.com>
13198 Zdenek Dvorak <dvorakz@suse.cz>
13200 * tree-dump.c (dump_switch_p_1): Require exact match of the option
13203 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13205 * passes.c (next_pass_1): Clear the next field of the copied
13208 2007-02-14 Richard Henderson <rth@redhat.com>
13210 * tree-sra.c (early_sra): New.
13211 (decl_can_be_decomposed_p): Deny va_list if early_sra.
13212 (tree_sra_early, pass_sra_early): New.
13213 * tree-pass.h (pass_sra_early): Declare.
13214 * passes.c (init_optimization_passes): Use it.
13216 2007-02-14 Richard Guenther <rguenther@suse.de>
13218 * flags.h (issue_strict_overflow_warning): Convert to a macro.
13220 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
13222 PR tree-optimization/30771
13223 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
13225 (vect_analyze_operations): Induction phis can now be marked as
13227 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
13228 Update documentation accordingly.
13230 2007-02-14 Nick Clifton <nickc@redhat.com>
13232 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
13233 most 3 arguments are supported.
13234 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
13236 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
13238 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
13239 Ensure dst->current is valid.
13241 2007-02-13 Paul Brook <paul@codesourcery.com>
13243 * config.gcc: Add arm*-*-uclinux-*eabi.
13244 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
13245 (SUBTARGET_EXTRA_LINK_SPEC): Define.
13246 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
13247 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
13248 (LINK_SPEC): Define.
13249 (LIB_SPEC): Define.
13250 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
13252 * config/arm/uclinux-eabi.h: New file.
13253 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
13254 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
13257 2007-02-13 Ian Lance Taylor <iant@google.com>
13259 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
13260 * flags.h (warn_strict_overflow): Declare.
13261 (enum warn_strict_overflow_code): Define.
13262 (issue_strict_overflow_warning): New static inline function.
13263 * opts.c (warn_strict_overflow): New variable.
13264 (common_handle_option): Handle OPT_Wstrict_overflow and
13265 OPT_Wstrict_overflow_.
13266 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
13268 * fold-const.c: Include intl.h.
13269 (fold_deferring_overflow_warnings): New static variable.
13270 (fold_deferred_overflow_warning): New static variable.
13271 (fold_deferred_overflow_code): New static variable.
13272 (fold_defer_overflow_warnings): New function.
13273 (fold_undefer_overflow_warnings): New function.
13274 (fold_undefer_and_ignore_overflow_warnings): New function.
13275 (fold_deferring_overflow_warnings_p): New function.
13276 (fold_overflow_warning): New static function.
13277 (make_range): Add strict_overflow_p parameter. Change all
13279 (extract_muldiv, extract_muldiv_1): Likewise.
13280 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
13281 tree_expr_nonnegative_p.
13282 (fold_negate_expr): Call fold_overflow_warning.
13283 (fold_range_test): Likewise.
13284 (fold_comparison): Likewise.
13285 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
13286 instead of tree_expr_nonnegative_p.
13287 (tree_expr_nonnegative_warnv_p): Rename from
13288 tree_expr_nonnegative_p, add strict_overflow_p parameter.
13289 (tree_expr_nonnegative_p): New function.
13290 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
13291 strict_overflow_p parameter.
13292 (tree_expr_nonzero_p): New function.
13293 * passes.c (verify_interpass_invariants): New static function.
13294 (execute_one_pass): Call it.
13295 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
13297 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
13298 (estimate_numbers_of_iterations): Likewise.
13299 (scev_probably_wraps_p): Likewise.
13300 * tree-ssa-ccp.c: Include "toplev.h".
13301 (evaluate_stmt): Defer fold overflow warnings until we know we are
13303 (struct fold_stmt_r_data): Add stmt field.
13304 (fold_stmt_r): Defer fold overflow warnings until we know we
13306 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
13307 (fold_stmt_inplace): Likewise.
13308 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
13309 (cleanup_control_expr_graph): Defer fold overflow warnings until
13310 we know we are going to optimize.
13311 * tree-cfg.c (fold_cond_expr_cond): Likewise.
13312 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
13314 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
13315 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
13316 * tree-ssa-loop-manip.c (create_iv): Likewise.
13317 * c-typeck.c (build_conditional_expr): Likewise.
13318 (build_binary_op): Likewise.
13319 * tree-vrp.c (vrp_expr_computes_nonzero): Call
13320 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
13321 (extract_range_from_unary_expr): Likewise.
13322 * simplify-rtx.c (simplify_const_relational_operation): Warn when
13323 assuming that signed overflow does not occur.
13324 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
13325 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
13326 (fold_defer_overflow_warnings): Declare.
13327 (fold_undefer_overflow_warnings): Declare.
13328 (fold_undefer_and_ignore_overflow_warnings): Declare.
13329 (fold_deferring_overflow_warnings_p): Declare.
13330 (tree_expr_nonzero_warnv_p): Declare.
13331 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
13332 of warning options.
13333 (Warning Options): Document -Wstrict-overflow.
13334 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
13335 (tree-ssa-ccp.o): Likewise.
13336 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
13337 (fold-const.o): Depend on intl.h.
13339 2007-02-13 Ian Lance Taylor <iant@google.com>
13341 PR middle-end/30751
13342 * lower-subreg.c (resolve_simple_move): Decompose subregs in
13345 2007-02-13 Stuart Hastings <stuart@apple.com>
13347 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
13349 2007-02-13 Richard Henderson <rth@redhat.com>
13351 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
13352 handled_component_p before looking for the indirect_ref.
13354 2007-02-13 Richard Henderson <rth@redhat.com>
13356 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
13357 remove flags clobber.
13358 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
13359 (bswaphi_lowpart): New.
13360 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
13361 remove TARGET_BSWAP test. Delete expander of the same name.
13363 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
13364 (expand_unop): Use them.
13366 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
13368 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
13369 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
13370 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
13371 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
13372 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
13373 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
13374 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
13375 assembler dialect choice from asm templates.
13377 2007-02-12 Richard Henderson <rth@redhat.com>
13379 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
13380 (fixuns_trunc<SSEMODEF>si2): Use it.
13381 * config/i386/sse.md (vec_setv4sf_0): Export.
13382 * config/i386/i386.c (ix86_build_const_vector): Export.
13383 (ix86_split_convert_uns_si_sse): Rename from
13384 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
13385 * config/i386/i386-protos.h: Update.
13387 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13390 * c-typeck.c (c_finish_return): Improve warning message.
13392 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13394 * alias.c (find_symbolic_term): Delete unused function.
13396 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
13398 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
13399 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
13400 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
13402 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13404 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
13405 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
13406 the function, temporarily point the debug interface to the null one.
13408 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13410 * dwarf2out.c (round_up_to_align): New static function.
13411 (field_byte_offset): Use it to round the offset.
13413 2007-02-12 Richard Henderson <rth@redhat.com>
13415 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
13416 (inswl_const): Export.
13418 2007-02-12 Richard Henderson <rth@redhat.com>
13420 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
13421 result mode of the libcall, convert back to outmode.
13423 2007-02-12 Roger Sayle <roger@eyesopen.com>
13425 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
13426 (bswapdi2): New define_expand to implement 32-bit implementation.
13428 2007-02-12 Nick Clifton <nickc@redhat.com>
13430 * doc/invoke.texi (Overall Options): Document --help=.
13431 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
13432 (cc1_options): Pass --help= on to cc1.
13433 (display_help): Add description of --help=.
13434 (process_command): Add code to handle --help=. Allow translated
13435 --help and --target-help switches to be passed on to compiler
13437 (main): Remove unused if statement.
13438 * opts.c (columns): Remove.
13439 (LEFT_COLUMN): Define.
13440 (wrap_help): Add columns argument.
13441 (print_filtered_help): Change parameters to be an include bitmask,
13442 an exclude bitmask, an any bitmask and the column width. Move the
13443 code to display the params list here. Add code to display the
13444 status of options rather than their descriptions if the quiet flag
13446 (print_specific_help): Change parameters to be an include bitmask,
13447 an exclude bitmask and an any bitmask. Move code to look up the
13448 column width here. Decide upon the title for an options listing.
13449 (common_handle_options): Add code to handle --help=. Adapt code
13450 for --help and --target-help to use the revised form of the
13451 print_specific_help function.
13452 (print_help): Delete.
13453 (print_param_help): Delete.
13454 (print_switch): Delete.
13455 * opts.h (cl_lang_count): Add prototype.
13456 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
13457 CL_MAX_OPTION_CLASS): New defines.
13458 * optc-gen.awk: Add construction of cl_lang_count.
13459 * c.opt: Add Warning attribute to warning options and Optimization
13460 attribute to optimization options.
13461 * common.opt: Likewise.
13463 Add -fhelp and -ftarget-help as aliases for the transformed --help
13464 and --target-help options.
13465 * opt-functions.awk: Add code to handle Warning and Optimization
13468 2007-02-12 Richard Henderson <rth@redhat.com>
13470 * config/alpha/constraints.md: New file.
13471 * config/alpha/alpha.c: Include tm-constrs.h.
13472 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
13473 alpha_extra_constraint): Remove.
13474 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
13475 * config/alpha/alpha-protos.h: Update.
13476 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
13477 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
13478 (EXTRA_CONSTRAINT): Remove.
13479 * config/alpha/alpha.md: Include constraints.md.
13480 (adddi splitter): Use satisfies_constraint_*.
13481 * config/alpha/predicates.md (add_operand): Likewise.
13482 (sext_add_operand, addition_operation): Likewise.
13484 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
13486 PR tree-optimization/29145
13487 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
13488 in our handling of restrict qualified pointers.
13490 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13493 * doc/invoke.texi (Wunused-value): Update description.
13494 (Wextra): Delete item.
13495 * opts.c (set_Wextra): Don't use the value of Wextra to set the
13496 value of Wunused-value.
13497 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
13498 (c_finish_stmt_expr): Don't check extra_warnings.
13499 (emit_side_effect_warnings): The caller is responsible to check
13502 2007-02-11 Roger Sayle <roger@eyesopen.com>
13503 Matt Thomas <matt@3am-software.com>
13505 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
13507 2007-02-11 Roger Sayle <roger@eyesopen.com>
13509 * simplify-rtx.c (simplify_relational_operation_1): Optimize
13510 comparisons of POPCOUNT against zero.
13511 (simplify_const_relational_operation): Likewise.
13513 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13515 * doc/invoke.texi (Wextra): Delete outdated paragraph.
13517 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13519 * dwarf2out.c (root_type): Delete unused function.
13521 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13523 * genattrtab.c (contained_in_p): Delete unused function.
13524 (write_expr_attr_cache): Likewise.
13526 2007-02-11 Jan Hubicka <jh@suse.cz>
13528 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
13531 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
13533 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
13534 to add the REG_EQ* note.
13535 * see.c (see_merge_one_use_extension): Likewise.
13536 * local-alloc.c (update_equiv_regs): Likewise. Also don't
13537 turn REG_EQUAL notes into REG_EQUIV notes if the target
13538 register may have more than one set.
13539 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
13540 * gcse.c (try_replace_reg): Likewise.
13541 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
13542 * calls.c (fixup_tail_calls): Likewise. Abort if there is
13543 more than one REG_EQUIV note.
13544 * reload1.c (gen_reload): Use set_unique_reg_note.
13546 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
13548 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
13549 (ix86_builtin_conversion): New function.
13551 2007-02-06 Mark Mitchell <mark@codesourcery.com>
13554 * tree.h (DECL_REPLACEABLE_P): New macro.
13555 * except.c (set_nothrow_function_flags): Likewise.
13557 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
13558 Ira Rosen <irar@il.ibm.com>
13559 Dorit Nuzman <dorit@il.ibm.com>
13561 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
13562 * targhooks.c (default_builtin_vectorized_conversion): New.
13563 * targhooks.h (default_builtin_vectorized_function): New declaration.
13564 * target.h (struct vectorize): Add builtin_conversion field.
13565 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
13566 stmt_vec_info_type value.
13567 (vectorizable_conversion): New declaration.
13568 * tree-vect-analyze.c (vect_analyze_operations): Add
13569 vectorizable_conversion call.
13570 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
13571 * tree-vect-transform.c (vectorizable_conversion): New function.
13572 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
13573 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
13575 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
13576 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
13577 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
13578 or ALTIVEC_BUILTIN_VCFSX.
13580 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13583 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
13584 CONST_DOUBLE and operand 0 is a hard register.
13585 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
13586 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
13587 is a hard floating-point register.
13589 2007-02-10 Richard Henderson <rth@redhat.com>
13590 Jakub Jelinek <jakub@redhat.com>
13591 Alexandre Oliva <aoliva@redhat.com>
13593 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
13594 * builtin-types.def (BT_WORD): Make unsigned.
13595 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
13596 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
13597 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
13598 * c-decl.c (grokdeclarator): Don't error if !have_tls.
13599 * c-parser.c (c_parser_omp_threadprivate): Likewise.
13600 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
13602 * expr.c (emutls_var_address): New.
13603 (expand_expr_real_1): Expand emulated tls.
13604 (expand_expr_addr_expr_1): Likewise.
13605 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
13606 * output.h (emutls_finish): Declare.
13607 * toplev.c (compile_file): Call it.
13608 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
13609 address before wrapping in CONST.
13610 * varasm.c (emutls_htab, emutls_object_type): New.
13611 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
13612 (get_emutls_object_name, get_emutls_object_type): New.
13613 (get_emutls_init_templ_addr, emutls_decl): New.
13614 (emutls_common_1, emutls_finish): New.
13615 (assemble_variable): When emulating tls, swap decls; generate
13616 constructor for the emutls objects.
13617 (do_assemble_alias): When emulating tls, swap decl and target name.
13618 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
13620 * varpool.c (decide_is_variable_needed): Look at force_output.
13621 Recurse for emulated tls.
13622 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
13623 with decide_is_variable_needed.
13624 * emutls.c: New file.
13625 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
13626 tls_object for real tls.
13628 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
13630 PR rtl-optimization/29599
13631 * reload1.c (eliminate_regs_in_insn): Take the destination
13632 mode into account when computing the offset.
13634 2007-02-09 Stuart Hastings <stuart@apple.com>
13635 Richard Henderson <rth@redhat.com>
13637 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13638 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13639 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
13640 fixuns_truncdfhi2): New.
13641 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
13642 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
13643 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
13644 (floatunssidf2): Allow nonimmediate source.
13645 * config/i386/sse.md (movdi_to_sse): New.
13646 (vec_concatv2di): Drop '*'.
13647 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
13648 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13649 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
13651 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
13652 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13653 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
13654 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
13655 (ix86_build_signbit_mask): Fix decl of v, refactor to call
13656 ix86_build_const_vector.
13657 (x86_emit_floatuns): Rewrite.
13659 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13661 * genautomata.c (longest_path_length): Delete unused function.
13662 (struct state): Delete unused longest_path_length.
13663 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
13664 (get_free_state): Delete unused.
13666 2007-02-09 Jan Hubicka <jh@suse.cz>
13668 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
13669 * doc/invoke.texi (inline-unit-growth): Update default value.
13671 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
13672 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
13673 (rebuild_cgraph_edges): Likewise.
13674 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
13675 (dump_cgraph_node): Dump frequencies.
13676 (cgraph_clone_edge): Add frequency scales.
13677 (cgraph_clone_node): Add freuqnecy.
13678 * cgraph.h (cgraph_edge): Add freuqnecy argument.
13679 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
13680 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
13681 * tree-pass.h (TODO_rebuild_frequencies): New constant.
13682 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
13683 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
13684 (save_inline_function_body): Likewise.
13685 * ipa-inline.c: inluce rtl.h
13686 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
13687 (cgraph_edge_badness): Use frequencies.
13688 (cgraph_decide_recursive_inlining): Update clonning.
13689 (cgraph_decide_inlining_of_small_function): Dump frequency.
13690 * predict.c (estimate_bb_frequencies): Export.
13691 * predict.h (estimate_bb_frequencies): Declare.
13692 * tree-inline.c (copy_bb): Watch overflows.
13693 (expand_call_inline): Update call of cgraph_create_edge.
13694 (optimize_inline_calls): Use TODO flags to update frequnecies.
13695 * passes.h: Include predict.h
13696 (init_optimization_passes): Move profile ahead.
13697 (execute_function_todo): Handle TODO_rebuild_frequencies.
13699 2007-02-09 Roger Sayle <roger@eyesopen.com>
13701 * config/alpha/alpha.c (emit_insxl): Force the first operand of
13702 the insbl or inswl pattern into a register.
13704 2007-02-09 Roger Sayle <roger@eyesopen.com>
13706 * config/ia64/ia64.md (bswapdi2): New define_insn.
13708 2007-02-09 Richard Henderson <rth@redhat.com>
13710 * config/i386/constraints.md (Ym): New constraint.
13711 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
13712 (movdi_1_rex64): Split sse and xmm general register moves from
13713 memory move alternatives. Use conditional register constraints.
13714 (movsf_1, movdf_integer): Likewise.
13715 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13716 (movdf_integer_rex64): New.
13717 (pushsf_rex64): Fix output constraints.
13718 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
13719 (sse2_stored): Likewise.
13720 (sse2_storeq_rex64): New.
13721 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
13722 amd and not generic.
13723 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
13724 for optimize_size. Remove SF/DFmode hack.
13726 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
13728 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
13731 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
13732 Richard Sandiford <richard@codesourcery.com>
13734 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
13735 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
13736 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
13737 m68k/t-mlib to tmake_file.
13738 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
13739 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
13740 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
13741 Allow it to be cf or m68k. Set m68k_arch_family. If that
13742 variable is not empty, add t-$m68k_arch_family to tmake_file.
13743 Add t-mlibs to tmake_file.
13744 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
13745 * config/m68k/t-cf: New file.
13746 * config/m68k/t-m68k: Likewise.
13747 * config/m68k/t-mlibs: Likewise.
13748 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13749 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13750 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13751 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13752 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
13754 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
13755 (INSTALL_LIBGCC): Delete.
13756 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13757 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13758 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13759 (M68K_MLIB_CPU): Define.
13760 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13761 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13762 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
13764 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13765 Richard Guenther <rguenther@suse.de>
13767 PR middle-end/23361
13768 * fold-const.c (fold_comparison): Handle obfuscated comparisons
13769 against INT_MIN/INT_MAX.
13770 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
13771 file if a loop is removed.
13773 2007-02-09 Joseph Myers <joseph@codesourcery.com>
13775 * calls.c (store_one_arg): Pass correct alignment to
13776 emit_push_insn for non-BLKmode values.
13777 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
13778 unaligned stack slot via a suitably aligned slot.
13780 2007-02-08 DJ Delorie <dj@redhat.com>
13782 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
13784 (legal_subregs): Use unsigned char, make const.
13785 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
13787 2007-02-08 Paul Brook <paul@codesourcery.com>
13789 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
13790 special interworking needed.
13792 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
13794 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
13795 conditional to __SSE2__.
13796 (Entries below should have been added to first ChangeLog
13797 entry for amdfam10 dated 2007-02-05)
13798 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
13800 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
13802 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
13805 2007-02-08 DJ Delorie <dj@redhat.com>
13807 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
13808 * config/m32c/m32c.c (legal_subregs): New.
13809 (m32c_illegal_subreg_p): New.
13810 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
13811 unsupported subregs of hard regs.
13813 2007-02-08 Jan Hubicka <jh@suse.cz>
13815 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
13816 the same one; always update histograms.
13818 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13820 * passes.c (init_optimization_passes): Tidy comment.
13822 2007-02-08 Roger Sayle <roger@eyesopen.com>
13824 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
13825 strip zero_extend, bswap and rotates from POCOUNT's argument.
13826 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
13827 zero_extend and rotates from PARITY's argument.
13828 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
13829 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
13830 of an integer constant at compile-time.
13832 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13835 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
13837 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
13840 * tree-ssa-live.c (remove_unused_locals): Do not remove
13841 TREE_ADDRESSABLE variables.
13842 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
13843 * tree-ssa-operands.c (add_virtual_operand): Remove argument
13844 FOR_CLOBBER. Update all users.
13845 If VAR has an associated alias set, add a virtual operand for
13846 it if no alias is found to conflict with the memory reference.
13848 2007-02-07 Jan Hubicka <jh@suse.cz>
13849 Robert Kidd <rkidd@crhc.uiuc.edu>
13851 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
13853 2007-02-07 Ian Lance Taylor <iant@google.com>
13855 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
13857 2007-02-07 Roger Sayle <roger@eyesopen.com>
13859 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
13860 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
13861 tablejumpdi, movsi_to_cr_one): Remove constraints from
13862 define_expand's match_operands.
13864 2007-02-07 Roger Sayle <roger@eyesopen.com>
13866 * global.c (compute_regsets): Move declatation of "i" inside of
13867 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
13869 2007-02-07 Jakub Jelinek <jakub@redhat.com>
13872 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
13873 of INDIRECT_REF <RESULT_DECL>.
13875 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
13877 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
13878 Kaz Kojima <kkojima@gcc.gnu.org>
13881 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
13883 (sh_initialize_trampoline): Add parentheses to avoid a warning.
13885 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13887 * doc/loop.texi: Document possibility not to perform disambiguation
13888 of loops with multiple latches.
13889 * cfgloopmanip.c (alp_enum_p): Removed.
13890 (add_loop): Handle subloops. Use get_loop_body_with_size.
13891 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
13892 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
13893 the new forwarder block.
13894 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
13895 Handle the case latch is NULL.
13896 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
13897 when marking loop exits.
13898 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
13900 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
13901 disambiguate_loops_with_multiple_latches.
13902 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
13903 before fix_loop_structure.
13904 * cfgloop.c: Include pointer-set.h and output.h.
13905 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
13906 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
13907 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
13908 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
13909 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
13910 disambiguate_multiple_latches, get_loop_body_with_size,
13911 disambiguate_loops_with_multiple_latches): New functions.
13912 (flow_loop_dump): Dump multiple latch edges.
13913 (flow_loop_nodes_find): Handle loops with multiple latches.
13914 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
13915 (glb_enum_p): Modified.
13916 (get_loop_body): Use get_loop_body_with_size.
13917 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
13918 (AVOID_CFG_MODIFICATIONS): New constant.
13919 (disambiguate_loops_with_multiple_latches, add_loop,
13920 get_loop_body_with_size): Declare.
13921 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
13923 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
13925 PR inline-asm/28686
13926 * global.c (compute_regsets): New function.
13927 (global_alloc): Refactored ELIMINABLE_REGSET
13928 and NO_GLOBAL_ALLOC_REGS computation out.
13929 (rest_of_handle_global_alloc): Call compute_regsets()
13930 for non-optimizing case.
13932 2007-02-06 Richard Henderson <rth@redhat.com>
13934 * config/i386/constraints.md (Y2): Rename from Y.
13935 (Yi): New constraint.
13936 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
13937 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
13938 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
13939 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
13940 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
13941 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
13942 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
13943 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
13944 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
13945 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
13946 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
13947 vec_extractv2si_1): Change Y constraints to Y2.
13948 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
13949 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
13950 Change Y constraints to Y2.
13951 (sse2_loadld): Change Y constraints to x.
13953 2007-02-06 Roger Sayle <roger@eyesopen.com>
13955 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
13956 (parity<mode>2): New define_expand using rs6000_emit_parity.
13957 * config/rs6000/rs6000.c (rs6000_emit_popcount,
13958 rs6000_emit_parity): New functions.
13959 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
13960 rs6000_emit_parity): Prototype here.
13962 2007-02-06 Ian Lance Taylor <iant@google.com>
13964 * lower-subreg.c (simple_move_operand): Reject CONST.
13965 (resolve_clobber): Call validate_change rather than directly
13966 assigning to XEXP (pat, 0).
13968 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
13970 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
13971 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
13972 (tree-cfg.o): Remove hashtab.h dependency.
13974 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
13975 (struct ivopts_data): Change niters to pointer_map_t.
13976 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
13977 (niter_for_exit): Create pointer_map on demand. Change for
13979 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
13980 (free_loop_data): Destroy data->niters if created and reset field.
13981 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
13982 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
13984 * tree-ssa-reassoc.c: Include pointer-set.h.
13985 (bb_rank): Change to long *.
13986 (operand_rank): Change to pointer_map_t.
13987 (find_operand_rank): Return long, -1 if not found. Declare as inline.
13988 (insert_operand_rank): Accept long.
13989 (operand_entry_hash, operand_entry_eq): Remove.
13990 (get_rank): Return long. Adjust for changes above.
13991 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
13993 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
13995 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
13996 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
13997 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
13999 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
14000 directly since it cannot be NULL.
14001 (get_vi_for_tree): Rewrite for pointer_map API.
14002 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
14003 (init_alias_vars): Create vi_for_tree as pointer_map.
14004 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
14006 * tree-cfg.c: Don't include hashtab.h.
14007 (edge_to_cases): Declare as pointer_map.
14008 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
14010 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
14011 (start_recording_case_labels): Create edge_to_cases as pointer_map.
14012 (end_recoding_case_labels): Cleanup edge_to_cases manually before
14014 (record_switch_edge): Delete.
14015 (get_cases_for_edge): Adjust for pointer_map API, inline
14016 record_switch_edge (rewritten for new API), remove goto.
14018 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14020 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
14021 * tree-nested.c: Include pointer-set.h.
14022 (var_map_elt, var_map_eq, var_map_hash): Delete.
14023 (struct nesting_info): Remove GTY marker. Change the two htab_t's
14024 to pointer_map_t's.
14025 (nesting_info_bitmap_obstack): New.
14026 (lookup_field_for_decl): Adjust for pointer_map API.
14027 (lookup_tramp_for_decl): Adjust for pointer_map API.
14028 (get_nonlocal_debug_decl): Adjust for pointer_map API.
14029 (get_local_debug_decl): Adjust for pointer_map API.
14030 (convert_nl_goto_reference): Adjust for pointer_map API.
14031 (convert_nl_goto_receiver): Adjust for pointer_map API.
14032 (create_nesting_tree): Create outside GGC space. Create bitmap on
14033 the new obstack. Create field_map and var_map as pointer_maps.
14034 (free_nesting_tree): Adjust for changes to create_nesting_tree.
14036 (lower_nested_functions): Move root here, no need to NULL it.
14037 Initialize and release the obstack.
14039 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
14041 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
14042 Remove prototypes and make them non-static.
14043 (struct tree_int_map): Remove.
14044 * tree.h (struct tree_int_map): Move here, turning TO into an
14046 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
14048 * tree.h (TREE_COMPLEXITY): Remove.
14049 (struct tree_exp): Remove complexity field.
14050 * tree.c (build1_stat): Don't set it.
14052 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
14053 Victor Kaplansky <victork@il.ibm.com>
14055 * tree-vectorizer.c (vect_is_simple_use): Support induction.
14056 (vect_is_simple_reduction): Support reduction with induction as
14057 one of the operands.
14058 (vect_is_simple_iv_evolution): Fix formatting.
14059 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
14060 formatting. Don't mark induction phis for vectorization.
14061 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
14062 * tree-vect-transform.c (get_initial_def_for_induction): New function.
14063 (vect_get_vec_def_for_operand): Support induction.
14064 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
14066 (vectorizable_reduction): Support reduction with induction as one of
14068 (vectorizable_type_demotion): Use def-type of stmt argument rather
14069 than dummy def-type.
14071 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
14072 flag_tree_scev_cprop.
14073 * common.opt (tree-scev-cprop): New flag.
14075 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
14076 call to vect_get_new_vect_var.
14078 2007-02-06 Ira Rosen <irar@il.ibm.com>
14080 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
14081 vectype is not NULL.
14082 (vect_pattern_recog_1): Likewise.
14084 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14086 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
14087 (fold_negate_expr): Likewise.
14089 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
14092 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
14093 even if cv-qualification is the same.
14095 2007-02-05 Geoffrey Keating <geoffk@apple.com>
14097 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
14098 __enable_execute_stack on completion.
14100 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14102 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
14103 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
14104 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
14105 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
14106 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
14107 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
14108 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
14109 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
14111 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14113 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
14114 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
14115 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
14116 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
14117 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
14118 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
14119 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
14120 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
14121 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
14122 umuldi3_highpart_rex64, umulsi3_highpart_insn,
14123 umulsi3_highpart_zext, smuldi3_highpart_rex64,
14124 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
14125 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
14126 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
14127 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
14128 sqrtextenddfxf2_i387): Added amdfam10_decode.
14130 * config/i386/athlon.md (athlon_idirect_amdfam10,
14131 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
14132 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
14133 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
14134 athlon_ivector_store_amdfam10): New define_insn_reservation.
14135 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
14138 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14140 * config/i386/athlon.md (athlon_call_amdfam10,
14141 athlon_pop_amdfam10, athlon_lea_amdfam10): New
14142 define_insn_reservation.
14143 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
14144 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
14145 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
14147 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14149 * config/i386/athlon.md (athlon_sseld_amdfam10,
14150 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
14151 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
14153 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14155 * config/i386/athlon.md (athlon_sseins_amdfam10): New
14156 define_insn_reservation.
14157 * config/i386/i386.md (sseins): Added sseins to define_attr type
14158 and define_attr unit.
14159 * config/i386/sse.md: Set type attribute to sseins for insertq
14162 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14164 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
14165 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
14166 ssecomi_load_amdfam10, ssecomi_amdfam10,
14167 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
14168 define_insn_reservation.
14169 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
14171 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14173 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
14174 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
14175 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
14176 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
14177 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
14178 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
14179 define_insn_reservation.
14181 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
14182 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
14183 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
14184 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
14185 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
14187 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14189 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
14190 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
14191 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
14192 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
14193 athlon_ssemul_load_k8): Added amdfam10.
14195 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14197 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
14198 (x86_sse_unaligned_move_optimal): New variable.
14200 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
14202 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
14203 for unaligned vector SSE double/single precision loads for AMDFAM10.
14205 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14207 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
14208 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
14209 Define TARGET_CPU_DEFAULT_amdfam10.
14210 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
14211 (processor_type): Add PROCESSOR_AMDFAM10.
14213 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
14214 processor_type in config/i386/i386.h.
14215 Enable imul peepholes for TARGET_AMDFAM10.
14217 * config.gcc: Add support for --with-cpu option for amdfam10.
14219 * config/i386/i386.c (amdfam10_cost): New variable.
14220 (m_AMDFAM10): New macro.
14221 (m_ATHLON_K8_AMDFAM10): New macro.
14222 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
14223 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
14224 x86_promote_QImode, x86_integer_DFmode_moves,
14225 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14226 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
14227 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
14228 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
14229 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
14230 Enable/disable for amdfam10.
14231 (override_options): Add amdfam10_cost to processor_target_table.
14232 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
14233 processor_alias_table.
14234 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
14235 (ix86_adjust_cost): Add code for amdfam10.
14237 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14239 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
14240 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
14241 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
14242 * config/i386/i386.h: Add builtin definition for SSE4A.
14243 * config/i386/i386.md: Add support for ABM instructions
14244 (popcnt and lzcnt).
14245 * config/i386/sse.md: Add support for SSE4A instructions
14246 (movntss, movntsd, extrq, insertq).
14247 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
14248 Add -march=amdfam10 flag.
14249 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
14250 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
14252 * doc/extend.texi: Add documentation for SSE4A builtins.
14254 2007-02-05 Bob Wilson <bob.wilson@acm.org>
14256 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
14258 2007-02-05 Richard Guenther <rguenther@suse.de>
14260 * tree-vectorizer.h (vectorizable_function): Add argument type
14261 argument, change return type.
14262 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
14263 * tree-vect-transform.c (vectorizable_function): Handle extra
14264 argument, return vectorized function decl.
14265 (build_vectorized_function_call): Remove.
14266 (vectorizable_call): Handle calls with result and argument types
14267 differing. Handle loop vectorization factor correctly.
14268 * targhooks.c (default_builtin_vectorized_function): Adjust for
14270 * targhooks.h (default_builtin_vectorized_function): Likewise.
14271 * target.h (builtin_vectorized_function): Add argument type
14273 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
14274 extra argument, allow vectorizing of lrintf.
14275 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
14276 documentation of target hook.
14278 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
14281 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
14282 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
14283 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
14285 2007-02-05 Roger Sayle <roger@eyesopen.com>
14287 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
14288 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
14289 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
14290 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
14291 before canonicalizing sincos to cexpi.
14292 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
14294 2007-02-05 Roger Sayle <roger@eyesopen.com>
14296 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
14297 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
14298 (alpha_init_builtins): Use alpha_add_builtins to process tables.
14300 2007-02-05 Roger Sayle <roger@eyesopen.com>
14302 * mips-tfile.c (initialize_init_file): Correct endianness test.
14304 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
14306 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
14307 the 'y' constraint.
14309 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14311 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
14312 saves in a PARALLEL before the register assignments.
14314 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14316 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
14317 DWARF_FRAME_RETURN_COLUMN to be a general register.
14318 * dwarf2out.c (init_return_column_size): New function, split from...
14319 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
14320 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
14321 to be nongeneral registers.
14322 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
14324 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
14325 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
14327 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14329 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
14331 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14333 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
14334 (remove_path): Use can_remove_branch_p and remove_branch instead
14335 of loop_delete_branch_edge.
14336 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
14337 (tree_transform_and_unroll_loop): Remove dead branches immediately.
14338 Update profile using scale_dominated_blocks_in_loop.
14339 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
14340 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
14341 (can_remove_branch_p, remove_branch): Declare.
14342 * tree-cfg.c (tree_can_remove_branch_p): New function.
14343 (tree_cfg_hooks): Add tree_can_remove_branch_p.
14344 * cfgrtl.c (rtl_can_remove_branch_p): New function.
14345 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
14347 2007-02-05 Jan Hubicka <jh@suse.cz>
14349 PR middle-end/30696
14350 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
14351 nodes in cgraph, don't remove offline copy of the function.
14353 2007-02-04 Jan Hubicka <jh@suse.cz>
14355 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
14356 vectors might cause maybe_lookup_element_for_expr to be called
14357 on non-sra-candidate.
14359 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14361 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
14362 config/bfin/bfin.md, config/bfin/predicates.md: Follow
14363 spelling conventions.
14365 2007-02-04 Richard Guenther <rguenther@suse.de>
14367 PR middle-end/30636
14368 * fold-const.c (try_move_mult_to_index): Make sure to not
14369 overflow one dimension of a multi-dimensional array access.
14371 2007-02-04 Jan Hubicka <jh@suse.cz>
14373 * passes.c (init_optimization_passes): Reindent.
14375 2007-02-04 Jan Hubicka <jh@suse.cz>
14376 Eric Botcazou <ebotcazou@adacore.com>
14378 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
14379 (execute_fixup_cfg): Break out the abnormal goto code.
14380 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
14381 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
14382 (optimize_inline_calls): Call make_nonlocal_label_edges.
14384 2007-02-04 Jan Hubicka <jh@suse.cz>
14386 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
14387 true when something was changed.
14388 (rename_ssa_copies): When something was changed, do
14389 TODO_remove_unused_locals.
14390 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
14391 add TODO_remove_unused_locals when instruction was removed.
14393 2007-02-04 Jan Hubicka <jh@suse.cz>
14395 * ipa-inline.c (try_inline): Improve debug output; work on already
14397 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
14398 call try_inline for already inlined edges too when flattening;
14399 inline also functions that make callee growth but overall unit size
14402 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14404 * config/m32c/bitops.md, config/m32c/jump.md,
14405 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
14406 config/m32r/m32r.h, config/m32r/m32r.md,
14407 config/m32r/predicates.md, config/m68hc11/larith.asm,
14408 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
14409 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
14410 config/mips/mips-protos.h, config/mips/mips.c,
14411 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
14412 config/mn10300/mn10300.h, config/mn10300/predicates.md,
14413 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
14414 spelling conventions.
14416 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
14417 Follow spelling conventions.
14419 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
14421 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
14422 warn about C++0x compatibility.
14424 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14426 * config/h8300/h8300.c, config/h8300/h8300.h,
14427 config/h8300/h8300.md: Follow spelling conventions.
14429 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
14431 PR middle-end/30667
14432 * combine.c (try_combine): Do not substitute source operand
14433 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
14435 2007-02-03 Jan Hubicka <jh@suse.cz>
14437 PR gcov-profile/30650
14438 * value-prof.c (stringop_block_profile): Fix handling of size counter;
14439 do not divide by zero for never executed counters.
14440 (tree_find_values_to_profile): Fix counters.
14441 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
14443 2007-02-03 Ian Lance Taylor <iant@google.com>
14445 * lower-subreg.c (simple_move_operand): New static function,
14446 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
14448 (simple_move): Call simple_move_operand.
14449 (find_decomposable_subregs): Add special handling of MEMs.
14450 (can_decompose_p): Rename from cannot_decompose_p. Reverse
14451 meaning of return value. If we see a hard register, test whether
14452 it can store a word_mode value. Change all callers.
14454 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14456 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
14457 ftrapv insns and expanders.
14458 (subdi3): Change define_expand operand 1 to arith11_operand, and
14459 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
14460 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
14461 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
14464 PR middle-end/30174
14465 * varasm.c (notice_global_symbol): Treat global objects as weak when
14466 flag_shlib is true.
14468 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14470 * emit-rtl.c (dconstpi): Delete.
14471 (dconstsqrt2): New.
14472 (init_emit_once): Delete dconstpi and init dconstsqrt2.
14473 * real.h (dconstpi): Delete.
14474 (dconstsqrt2): New.
14475 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
14476 (fold_builtin_hypot): Likewise.
14478 2007-02-03 Tom Tromey <tromey@redhat.com>
14481 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
14482 -gcoff3, -gxcoff3, -gvms3 implies -dD.
14484 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
14486 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
14487 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
14488 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
14489 config/rs6000/cell.md, config/rs6000/darwin.h,
14490 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
14491 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
14492 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
14493 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
14494 typos. Follow spelling conventions.
14495 * doc/invoke.texi: Follow spelling conventions.
14497 2007-02-03 Roger Sayle <roger@eyesopen.com>
14499 * simplify-rtx.c (simplify_relational_operation_1): Implement some
14500 canonicalization transformations that attempt to simplify integer
14501 constant comparisons to become comparisons against zero.
14503 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14505 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
14507 * fold-const.c (fold_binary): Fix comment typos. Fold complex
14508 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
14510 2007-02-02 Mike Stump <mrs@apple.com>
14512 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
14513 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
14514 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
14515 generate a branch island.
14517 2007-02-02 Bob Wilson <bob.wilson@acm.org>
14519 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
14520 (xtensa_legitimate_address_p): New.
14521 (xtensa_legitimize_address): New.
14522 (xtensa_output_addr_const_extra): New.
14523 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
14525 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
14526 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
14527 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
14528 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
14529 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
14530 (xtensa_legitimize_address): New.
14531 (xtensa_output_addr_const_extra): New.
14533 2007-02-02 Steve Ellcey <sje@cup.hp.com>
14535 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
14537 2007-02-02 Ian Lance Taylor <iant@google.com>
14539 * expmed.c (expand_divmod): Add comment.
14541 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
14543 * emit-rtl.c (renumber_insns): Remove.
14544 * flags.h: Remove the extern for flag_renumber_insns.
14545 * rtl.h: Remove the prototype for renumber_insns.
14546 * toplev.c (flag_renumber_insns): Remove.
14548 2007-02-02 Hui-May Chang <hm.chang@apple.com>
14550 Revert for x86 darwin:
14551 2005-06-19 Uros Bizjak <uros@kss-loka.si>
14553 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
14554 code before the following patch under TARGET_MACHO.
14555 (ix86_function_value_regno_p): Likewise.
14557 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14559 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
14562 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14565 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
14566 general or fp registers. Add comments.
14567 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
14569 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
14571 * pointer-set.c (insert_aux): Only return insertion slot.
14572 (pointer_set_insert): Adjust.
14573 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
14574 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
14575 pointer_map_traverse): New.
14576 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
14577 pointer_map_create, pointer_map_destroy, pointer_map_insert,
14578 pointer_map_contains, pointer_map_traverse): Declare.
14580 2007-02-02 Jakub Jelinek <jakub@redhat.com>
14582 PR middle-end/30473
14583 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
14584 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
14586 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14588 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
14590 (struct _dep): New type.
14591 (dep_t): New typedef.
14592 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
14593 (DEP_STATUS): New access macro. The macro with the same name was
14594 renamed to DEP_LINK_STATUS.
14595 (dep_init): Declare function
14597 (struct _dep_link): New type.
14598 (dep_link_t): New typedef.
14599 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
14600 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
14601 (DEP_LINK_STATUS): New macro.
14602 (debug_dep_links): New debug function.
14604 (struct _deps_list): New type.
14605 (deps_list_t): New typedef.
14606 (DEPS_LIST_FIRST): New access macro.
14607 (FOR_EACH_DEP_LINK): New cycle macro.
14608 (create_deps_list, free_deps_list, delete_deps_list): Declare
14610 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
14611 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
14612 (copy_deps_list_change_con): Ditto.
14614 (move_dep_link): Declare function.
14616 (struct _dep_node): New type.
14617 (dep_node_t): New typedef.
14618 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
14620 (struct haifa_insn_data.back_deps): New field to hold backward
14621 dependencies of the insn.
14622 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
14624 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
14625 Change its type to deps_list_t.
14626 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
14627 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
14628 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
14630 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
14632 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
14634 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
14636 (dep_cost): Declare.
14638 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
14639 (ds_to_dk, dk_to_ds): New functions.
14641 (init_dep_1): New static function.
14642 (init_dep): New function.
14643 (copy_dep): New static function.
14645 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
14647 (detach_dep_link): New static function.
14648 (move_dep_link): New function.
14650 (dep_links_consistent_p, dump_dep_links): New static functions.
14651 (debug_dep_links): New debugging function.
14653 (deps_obstack, dl_obstack, dn_obstack): New static variables.
14655 (alloc_deps_list, init_deps_list): New static functions.
14656 (create_deps_list): New function.
14657 (clear_deps_list): New static function.
14658 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
14659 (deps_list_consistent_p, dump_deps_list): New static functions.
14660 (debug_deps_list): New function.
14661 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
14663 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
14665 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
14666 use new scheduler dependencies lists.
14667 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
14668 (sched_analyze): Ditto. Initialize dependencies lists.
14669 (add_forw_dep, compute_forward_dependences): Update to use new
14670 scheduler dependencies lists.
14672 (init_dependency_caches): Init deps_obstack.
14673 (free_dependency_caches): Free deps_obstack.
14675 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
14676 new scheduler dependencies lists.
14677 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
14678 (add_back_forw_dep, delete_back_forw_dep): Ditto.
14680 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
14681 Update to use new scheduler dependencies lists.
14682 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
14683 (debug_dependencies): Ditto.
14684 (schedule_region): Update comments.
14686 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
14687 scheduler dependencies lists.
14688 (schedule_ebb): Update comments.
14690 * rtl.def (DEPS_LIST): Remove.
14692 * lists.c (unused_deps_list): Remove.
14693 (free_list): Update assertions.
14695 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
14696 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14698 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
14699 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14701 * haifa-sched.c (comments): Update.
14702 (insn_cost1): Remove. Inline the code into insn_cost ().
14703 (insn_cost): Update to use new scheduler dependencies lists. Move
14704 processing of the dependency cost to dep_cost ().
14705 (dep_cost): New function. Use it instead of insn_cost () when
14706 evaluating cost of the dependency. Use compatible interface to
14707 interact with the target.
14708 (priority): Update to use new scheduler dependencies lists.
14709 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
14710 with greater number of insns that depend on the insn.
14711 (schedule_insn): Update to use new scheduler dependencies lists. Add
14712 code to free backward dependencies lists. Inline and optimize code
14713 from resolve_dep () - see PR28071.
14714 (ok_for_early_queue_removal): Update to use new scheduler dependencies
14715 lists. Update call to targetm.sched.is_costly_dependence hook.
14717 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
14718 scheduler dependencies lists.
14720 (resolve_dep): Remove. Move the logic to schedule_insn ().
14721 (init_h_i_d): Initialize dependencies lists.
14723 (process_insn_depend_be_in_spec): Rename to
14724 process_insn_forw_deps_be_in_spec. Update to use new scheduler
14725 dependencies lists.
14726 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
14727 Update to use new scheduler dependencies lists.
14728 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
14730 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
14731 new scheduler dependencies lists.
14732 (build_intra_loop_deps): Ditto.
14734 * target.h (struct _dep): Declare to use in
14735 gcc_target.sched.is_costly_dependence.
14736 (struct gcc_target.sched.adjust_cost): Fix typo.
14737 (struct gcc_target.sched.is_costly_dependence): Change signature to use
14738 single dep_t parameter instead of an equivalent triad.
14739 (struct gcc_target.sched.adjust_cost_2): Remove.
14741 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
14743 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
14745 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
14747 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
14749 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
14750 (REG_DEP_TRUE): Document.
14752 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
14753 Change signature to correspond to the targetm.sched.adjust_cost hook.
14754 Update use in TARGET_SCHED_ADJUST_COST_2.
14755 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
14756 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
14757 new scheduler dependencies lists.
14758 (ia64_gen_check): Ditto.
14760 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
14761 dependencies lists.
14763 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
14764 signature to correspond to the targetm.sched.is_costly_dependence hook.
14765 (is_costly_group): Update to use new scheduler dependencies lists.
14767 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
14768 instead of INSN_COST () macro.
14770 2007-02-01 Ian Lance Taylor <iant@google.com>
14772 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
14774 2007-02-01 Guy Martin <gmsoft@gentoo.org>
14776 * pa.md (tp_load): Correct mfctl instruction syntax.
14778 2007-02-01 Geoffrey Keating <geoffk@apple.com>
14780 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
14781 altivec_padding_size calculation on AIX. Improve comment, add
14782 assert to verify that it's right.
14784 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
14787 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
14789 PR inline-asm/28686
14790 * global.c (global_alloc): Add mising initialization of
14793 2007-02-01 Roger Sayle <roger@eyesopen.com>
14795 * alias.c (init_alias_analysis): Correct whitespace.
14796 * bb-reorder.c (fix_edges_for_rarely_executed_code,
14797 partition_hot_cold_basic_blocks): Likewise.
14798 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
14799 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
14800 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
14801 fold_builtin_snprintf_chk, fold_builtin_printf,
14802 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
14803 do_mpfr_arg3, do_mpfr_sincos): Likewise.
14804 * cfgcleanup.c (cleanup_cfg): Likewise.
14805 * cfgexpand.c (tree_expand_cfg): Likewise.
14806 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
14807 * function.c (get_next_funcdef_no): Likewise.
14808 * gengtype.c (main): Likewise.
14809 * genmodes.c (main): Likewise.
14810 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
14811 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
14812 * ifcvt.c (noce_emit_move_insn): Likewise.
14813 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
14815 * stor-layout.c (get_best_mode): Likewise.
14816 * tree-ssa-loop-niter.c (get_val_for): Likewise.
14817 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
14818 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
14819 perform_var_substitution, solve_graph): Likewise.
14820 * tree-vrp.c (vrp_finalize): Likewise.
14822 2007-02-01 Ian Lance Taylor <iant@google.com>
14824 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
14825 high part of a paradoxical subreg, return a constant zero.
14827 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
14829 * toplev.c (lang_dependent_init): Call init_set_costs.
14830 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
14832 2007-02-01 Richard Guenther <rguenther@suse.de>
14834 PR middle-end/30656
14835 * fold-const.c (fold_negate_expr): Allow negating a
14836 constant if overflow does not change.
14838 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14840 * doc/c-tree.texi (Expression trees): Improve markup.
14841 * doc/tm.texi (Register Classes, Addressing Modes)
14842 (Floating Point): Fix spacing after abbreviations. Fix some
14845 2007-02-01 Ben Elliston <bje@au.ibm.com>
14847 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
14848 * doc/contrib.texi: Likewise.
14849 * doc/install.texi: Likewise.
14851 2007-01-31 Richard Henderson <rth@redhat.com>
14852 Ian Lance Taylor <iant@google.com>
14854 * lower-subreg.c: New file.
14855 * rtl.def (CONCATN): Define.
14856 * passes.c (init_optimization_passes): Add pass_lower_subreg and
14857 pass_lower_subreg2.
14858 * emit-rtl.c (update_reg_offset): New static function, broken out
14859 of gen_rtx_REG_offset.
14860 (gen_rtx_REG_offset): Call update_reg_offset.
14861 (gen_reg_rtx_offset): New function.
14862 * regclass.c: Revert patch of 2006-03-05, restoring
14864 (clear_reg_info_regno): New function.
14865 * dwarf2out.c (concatn_loc_descriptor): New static function.
14866 (loc_descriptor): Handle CONCATN.
14867 * common.opt (fsplit_wide_types): New option.
14868 * opts.c (decode_options): Set flag_split_wide_types when
14870 * timevar.def (TV_LOWER_SUBREG): Define.
14871 * rtl.h (gen_reg_rtx_offset): Declare.
14872 (reg_scan_update): Declare.
14873 * regs.h (clear_reg_info_regno): Declare.
14874 * tree-pass.h (pass_lower_subreg): Declare.
14875 (pass_lower_subreg2): Declare.
14876 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
14877 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
14878 -fsplit-wide-types.
14879 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
14880 * Makefile.in (OBJS-common): Add lower-subreg.o.
14881 (lower-subreg.o): New target.
14883 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14885 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
14887 2007-01-31 Anatoly Sokolov <aesok@post.ru>
14890 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
14892 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14894 PR middle-end/29335
14895 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
14897 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
14899 * cfgloop.h: Include vec-prim.h.
14900 (enum li_flags): Remove LI_ONLY_OLD.
14901 (loop_iterator): Changed.
14902 (fel_next, fel_init): Iterate over loop tree.
14903 (FOR_EACH_LOOP_BREAK): New macro.
14904 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
14906 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
14907 * modulo-sched.c (sms_schedule): Ditto.
14908 * tree-vectorizer.c (vectorize_loops): Ditto.
14909 * doc/loop.texi: Update information on loop numbering and behavior of
14910 FOR_EACH_LOOP wrto new loops.
14911 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14912 add_to_evolution_1): Test nestedness of loops instead of comparing
14914 * tree-chrec.c (chrec_fold_plus_poly_poly,
14915 chrec_fold_multiply_poly_poly, chrec_evaluate,
14916 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
14917 reset_evolution_in_loop): Ditto.
14918 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
14920 2007-01-31 Dirk Mueller <dmueller@suse.de>
14922 * c-common.c (warn_about_parentheses): Separate warning about
14923 un-parenthized sequence of comparison operators from the one
14924 which is supposed to warn about x <= y <= z.
14926 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
14928 * optabs.h (enum optab_index): Add new OTI_isinf.
14929 (isinf_optab): Define corresponding macro.
14930 * optabs.c (init_optabs): Initialize isinf_optab.
14931 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
14933 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
14934 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
14936 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
14937 expand_builtin_interclass_mathfn.
14938 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
14939 * config/i386/i386.md (UNSPEC_FXAM): New constant.
14940 (fxam<mode>2_i387): New insn pattern.
14941 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
14942 built-in functions as x87 inline asm.
14944 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14946 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
14948 2007-01-30 Eric Christopher <echristo@apple.com>
14950 * config.gcc: Add geode.
14952 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14954 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
14955 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
14956 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
14957 value-prof.c: Fix comment typos.
14959 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14962 * doc/invoke.texi (Wpointer-arith): Document warning.
14964 2007-01-30 Janis Johnson <janis187@us.ibm.com>
14966 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
14967 the list of discrepancies from the draft TR.
14969 2007-01-30 Dirk Mueller <dmueller@suse.de>
14972 * doc/invoke.texi (-Wreturn-type): Update description to
14973 match new behavior.
14975 2007-01-30 Richard Sandiford <richard@codesourcery.com>
14977 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
14979 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
14981 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
14982 to handle optabs that operate on floating point input argument and
14983 output to integer output.
14984 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
14985 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
14986 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
14987 expand_builtin_interclass_mathfn ().
14988 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
14989 (ilogbsi2): Remove.
14990 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
14991 ilogbl built-in functions as x87 intrinsics.
14993 2007-01-30 Richard Guenther <rguenther@suse.de>
14995 PR middle-end/27657
14996 * dwarf2out.c (reference_to_unused): Query varpool if the
14997 variable was output.
14999 2007-01-30 Richard Guenther <rguenther@suse.de>
15001 PR middle-end/30313
15002 * passes.c (execute_one_pass): Reset in_gimple_form to not
15003 confuse non-unit-at-a-time mode.
15005 2007-01-29 Roger Sayle <roger@eyesopen.com>
15006 Richard Guenther <rguenther@suse.de>
15008 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
15009 avoid undefined behaviour on overflow. Use force_fit_type_double
15010 to construct the constant with the specified TREE_OVERFLOW.
15012 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15014 * config/dfp-bit.c: Add parameterized support for fp exceptions.
15015 * config/dfp-bit.h: Ditto.
15017 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15019 * c-decl.c (pop_scope): Replace warnings with call to
15020 warn_for_unused_label.
15021 * c-common.h (warn_for_unused_label): Declare.
15022 * c-common.c (warn_for_unused_label): Define.
15024 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15026 * tree-optimize.c (update_inlined_to_pointers): Delete unused
15029 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15031 * Makefile.in (USER_H): Remove decfloat.h.
15032 * ginclude/decfloat.h: Delete, moving contents to ...
15033 * ginclude/float.h: Add support for decimal floating point,
15034 guarded by __STDC_WANT_DEC_FP__.
15036 2007-01-29 Mike Stump <mrs@apple.com>
15038 * doc/gccint.texi (Top): Rename Loop Representation to Loop
15039 Analysis and Representation to resolve case insensitive conflict.
15040 * doc/loop.texi (Loop Analysis and Representation): Likewise.
15042 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
15044 * tree.h (struct tree_memory_tag): Add aliases member.
15045 (MTAG_ALIASES): New macro.
15046 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
15047 (add_may_alias): Remove pointer-set. Update for may_aliases being
15049 (mark_aliases_call_clobbered): Update for may_aliases being a
15051 (compute_tag_properties): Ditto.
15052 (create_partition_for): Ditto.
15053 (compute_memory_partitions): Ditto.
15054 (dump_may_aliases_for): Ditto.
15055 (is_aliased_with): Ditto.
15056 (add_may_alias_for_new_tag): Ditto.
15057 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
15058 (compute_is_aliased): New function.
15059 (compute_may_aliases): Call compute_is_aliased).
15060 (init_alias_info): Initialize alias_bitmap_obstack.
15061 (union_alias_set_into): New function.
15062 (compute_flow_sensitive_aliasing): Use union_aliases_into.
15063 (have_common_aliases_p): Rewrite to take two bitmaps and use
15065 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
15066 Update for bitmaps.
15067 (finalize_ref_all_pointers): Update for add_may_alias changes.
15068 (new_type_alias): Ditto.
15069 * tree-flow-inline.h (may_aliases): Return a bitmap.
15070 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
15071 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
15072 may_aliases being a bitmap.
15073 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
15074 may_aliases now returns a bitmap.
15075 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
15077 * tree-ssa-operands.c (add_virtual_operand): Update for
15078 may_aliases being a bitmap.
15080 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
15082 PR tree-optimization/30630
15083 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
15084 variable as changed.
15086 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
15089 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
15090 expanded only once even if an error occurs.
15092 2007-01-29 Ben Elliston <bje@au.ibm.com>
15094 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
15095 (__gcov_average_profiler): Likewise.
15096 (__gcov_ior_profiler): Likewise.
15097 (__gcov_merge_ior): Likewise.
15099 2007-01-28 Jan Hubicka <jh@suse.cz>
15101 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
15102 * value-prof.c (stringop_block_profile): Likewise.
15104 2007-01-28 Jan Hubicka <jh@suse.cz>
15106 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
15107 variant handling histograms; add wrapper.
15108 (clear_storage_via_libcall): Export.
15109 (emit_block_move_hints): Break out from ...; add histograms.
15110 (emit_block_move): ... this one.
15111 (clear_storage_hints): Break out from ...; add histograms.
15112 (clear_storage): ... this one.
15113 (set_storage_via_memset): Handle histogram.
15114 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
15115 (clear_storage_hints, clear_storage_via_libcall): Declare.
15116 (set_storage_via_setmem): Update prototype.
15117 * doc/md.texi (movmem, setmem): Document new arguments.
15119 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
15121 (stringop_block_profile): New global function.
15122 (tree_stringops_values_to_profile): Profile block size and alignment.
15123 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
15125 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
15126 (stringop_block_profile): Declare.
15127 * builtins.c: Include value-prof.h.
15128 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
15129 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
15130 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
15131 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
15132 * profile.c (instrument_values): Add new counters.
15133 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
15135 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
15136 (tree_init_edge_profiler): Build new profilers.
15137 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
15138 (pass_tree_profile): Add dump.
15139 (tree_profile_hooks): Update.
15140 * Makefile.in (LIBGCOV): Add new constants.
15141 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
15142 __gcov_ior_profiler): New.
15143 * i386.md (movmem/setmem expanders): Add new optional arguments.
15145 2007-01-28 David Edelsohn <edelsohn@gnu.org>
15147 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
15149 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15151 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
15152 (tree_unswitch_single_loop): Pass eni_size_weights to
15153 tree_num_loop_insns.
15154 * tree-ssa-loop-manip.c: Include tree-inline.h.
15155 (can_unroll_loop_p): Pass eni_size_weights to
15156 tree_num_loop_insns.
15157 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
15158 Pass eni_size_weights to estimate_num_insns.
15159 * tree.h (init_inline_once): Export.
15160 * toplev.c (backend_init): Call init_inline_once.
15161 * cgraphunit.c (cgraph_process_new_functions,
15162 cgraph_analyze_function): Pass eni_inlining_weights to
15163 estimate_num_insns.
15164 * ipa-inline.c (compute_inline_parameters): Ditto.
15165 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
15166 to estimate_num_insns.
15167 (try_unroll_loop_completely): Pass eni_size_weights to
15168 tree_num_loop_insns.
15169 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
15170 ot estimate_num_insns.
15171 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
15172 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
15173 * tree-inline.c (eni_inlining_weights, eni_size_weights,
15174 eni_time_weights): New variables.
15175 (init_inline_once): Initialize them.
15176 (struct eni_data): Mew.
15177 (estimate_num_insns_1, estimate_num_insns): Use weights.
15178 * tree-inline.h (struct eni_weights_d): New.
15179 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
15180 (estimate_num_insns): Declaration changed.
15181 * cfgloop.h (tree_num_loop_insns): Declaration changed.
15182 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
15183 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
15185 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15187 * tree-data-ref.c (conflict_fn): Assert that the number of affine
15188 relations in the conflict function is valid.
15190 2007-01-27 Ian Lance Taylor <iant@google.com>
15192 * common.opt: Add fstrict-overflow.
15193 * opts.c (decode_options): Set flag_strict_overflow if -O2.
15194 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
15195 (TYPE_OVERFLOW_UNDEFINED): Define.
15196 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
15198 * tree.h (TYPE_TRAP_SIGNED): Don't define.
15199 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
15200 (fold_negate_expr): Likewise.
15201 (make_range): Likewise.
15202 (extract_muldiv_1): Likewise.
15203 (maybe_canonicalize_comparison): Likewise.
15204 (fold_comparison): Likewise.
15205 (fold_binary): Likewise.
15206 (tree_expr_nonnegative_p): Likewise.
15207 (tree_expr_nonzero_p): Likewise.
15208 * tree-vrp.c (compare_values): Likewise.
15209 (extract_range_from_binary_expr): Likewise.
15210 (extract_range_from_unary_expr): Likewise.
15211 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
15213 (nowrap_type_p): Likewise.
15214 * tree-scalar-evolution.c (simple_iv): Likewise.
15215 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
15216 (build_range_check): Likewise.
15217 (extract_muldiv_1): Likewise.
15218 (fold_comparison): Likewise.
15219 * tree-vrp.c (vrp_int_const_binop): Likewise.
15220 (extract_range_from_unary_expr): Likewise.
15221 * convert.c (convert_to_integer): Likewise.
15222 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
15223 (fold_comparison): Likewise.
15224 (fold_binary): Likewise.
15225 * optabs.c (optab_for_tree_code): Likewise.
15226 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
15227 * simplify-rtx.c (simplify_const_relational_operation): Check
15228 flag_strict_overflow and flag_trapv.
15229 (simplify_const_relational_operation): Likewise.
15230 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
15231 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
15234 2007-01-27 Roger Sayle <roger@eyesopen.com>
15236 * tree.c (tree_fold_gcd): Delete.
15237 * tree.h (tree_fold_gcd): Remove prototype.
15238 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
15239 test whether one constant integer is a multiple of another. Instead
15240 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
15241 * fold-const.c (multiple_of_p): We've determined both TOP and
15242 BOTTOM are integer constants so we can call int_const_binop directly
15243 instead of the more generic const_binop.
15245 2007-01-27 Roger Sayle <roger@eyesopen.com>
15247 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
15248 1*X check that the constant hasn't overflowed, to preserve the
15250 (round_up): Provide an efficient implementation when rouding-up an
15251 INTEGER_CST to a power-of-two.
15253 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15255 * doc/sourcebuild.texi: Add comma for clarity.
15256 * doc/extend.texi: Fix some typos.
15257 * doc/passes.texi: Likewise.
15258 * doc/cppinternals.texi: Likewise.
15259 * doc/c-tree.texi: Likewise.
15260 * doc/tree-ssa.texi: Likewise.
15261 * doc/install.texi: Likewise.
15263 2007-01-27 Jan Hubicka <jh@suse.cz>
15265 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
15266 (pass_sra): Do not require alias information.
15267 * passes.c (init_optimization_passes): Add SRA
15269 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
15271 * tracer.c (rest_of_handle_tracer): We already cleaned
15272 up the CFG in tracer() so don't do it here again.
15273 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
15274 cleanup_cfg here, either. And don't call renumber_insns.
15276 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
15277 and BB_HEAD are in the insn stream here. Instead make sure
15278 that BB_INSN is valid on all insns. Also, do check here that
15279 there are no pending branch predictions...
15280 (rtl_verify_flow_info): ...instead of doing it here. Checks
15281 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
15284 2007-01-26 Roger Sayle <roger@eyesopen.com>
15286 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
15287 function to simplify/factorize operand order canonicalization.
15288 (ix86_fixup_binary_operands): Reorganize using the above function.
15289 (ix86_binary_operator_ok): Likewise.
15291 2007-01-27 Jakub Jelinek <jakub@redhat.com>
15293 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
15294 file scope from optimize_attrs.
15295 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
15297 (optimize_attrs): Clear insn_code_values after freeing it.
15299 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15301 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
15302 a parts.base assignment.
15304 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15306 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
15307 (compute_subscript_distance, initialize_data_dependence_relation,
15308 finalize_ddr_dependent, analyze_ziv_subscript,
15309 analyze_siv_subscript_cst_affine,
15310 compute_overlap_steps_for_affine_univar,
15311 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
15312 analyze_siv_subscript, analyze_miv_subscript,
15313 analyze_overlapping_iterations, subscript_dependence_tester_1,
15314 compute_self_dependence, free_dependence_relation): Work
15315 with affine_fn instead of chrecs.
15316 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
15317 common_affine_function, affine_function_base,
15318 affine_function_constant_p, affine_fn_op, affine_fn_plus,
15319 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
15320 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
15321 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
15322 (all_chrecs_equal_p): Removed.
15323 * tree-data-ref.h (affine_fn, conflict_function): New types.
15324 (struct subscript): Change type of conflicting_iterations_in_a
15325 and conflicting_iterations_in_b.
15327 2007-01-26 Steve Ellcey <sje@cup.hp.com>
15330 * config/pa/pa.h (TARGET_HPUX_11): New.
15331 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
15332 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
15334 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
15335 Richard Guenther <rguenther@suse.de>
15337 * tree-ssa-structalias.c (solve_graph): Handle case
15338 we merged the variable to another.
15340 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15342 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
15345 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
15346 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
15348 2007-01-25 DJ Delorie <dj@redhat.com>
15350 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
15351 allow changes to modes which don't fit in those registers.
15353 * reload1.c (choose_reload_regs): Check for invalid subregs before
15354 computing their locations, not after.
15356 2007-01-25 Geoffrey Keating <geoffk@apple.com>
15359 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
15360 save Altivec registers in an eh_return function.
15361 (compute_vrsave_mask): Likewise.
15362 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
15363 for saving Altivec registers.
15364 (rs6000_emit_prologue): Don't allocate stack twice in
15365 eh_return function. Correct expected value of altivec_save_offset
15366 when using save_world. Describe save of R0 to stack when using
15367 save_world. Describe stack pointer adjustment when using
15368 save_world. Remove duplicated eh_return parameter register saving.
15369 Update sp_offset variable after save_world.
15370 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
15372 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
15373 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
15376 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15378 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
15380 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15383 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
15384 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
15386 2007-01-25 Richard Guenther <rguenther@suse.de>
15388 * doc/invoke.texi (-Wcoverage-mismatch): Document.
15389 * common.opt (-Wcoverage-mismatch): New warning option.
15390 * coverage.c (get_coverage_counts): Ignore coverage mismatch
15391 if -Wcoverage-mismatch is given.
15393 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
15395 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
15396 (ipcp_driver): Change to static definition.
15397 Add dumping of the ifunctions.
15398 (constant_val_insert): Remove unused parameter. Support for SSA.
15399 (ipcp_propagate_const): Support for SSA.
15400 (ipcp_profile_bb_print): Print only analyzed nodes.
15401 (ipcp_replace_map_create): Remove support for Fortran constant
15403 * ipa-prop.c (ipa_method_modify_stmt,
15404 ipa_callsite_compute_param): Support for SSA.
15405 * ipa-prop.h (ipcp_driver): Remove declaration.
15406 (IS_VALID_TREE_MAP_INDEX): Add define.
15408 2007-01-24 Geoffrey Keating <geoffk@apple.com>
15410 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
15412 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15414 PR middle-end/30447
15415 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
15416 constant argument to cabs and do it without checking for
15417 -funsafe-math-optimizations.
15419 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
15421 * c-common.h (RID_FIRST_CXX0X): New.
15422 (RID_LAST_CXX0X): New.
15423 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
15425 * c.opt (Wc++0x-compat): New.
15426 * doc/invoke.texi (-Wc++0x-compat): Document.
15428 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15430 * builtins.c (fold_builtin_carg): New.
15431 (fold_builtin_1): Use it.
15433 2007-01-24 Jan Hubicka <jh@suse.cz>
15435 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
15437 * ipa-inline.c (initial_insns, max_insns): Delete.
15438 (compute_max_insns): New function.
15439 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
15440 of insns as base for code growth.
15441 (cgraph_decide_inlining): Make initial_insns local; do not compute
15443 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
15444 * doc/invoke.texi (inline-unit-growth): Update docs.
15446 2007-01-24 Jakub Jelinek <jakub@redhat.com>
15448 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
15449 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
15450 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
15451 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
15452 for CPUs that have PTA_CX16 set.
15454 PR middle-end/27416
15455 * gimplify.c (omp_check_private): New function.
15456 (gimplify_scan_omp_clauses): Use it for
15457 firstprivate/lastprivate/reduction.
15459 PR middle-end/30494
15460 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
15461 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
15463 PR middle-end/30421
15464 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
15465 If lower_lastprivate_clauses emits some statements, append them
15466 to dlist rather than body_p and to body_p append an initializer.
15467 (lower_omp_for): Adjust caller.
15469 2007-01-24 Steve Ellcey <sje@cup.hp.com>
15471 * target.h (globalize_decl_name): New.
15472 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15473 * output.h (default_globalize_decl_name): New.
15474 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
15476 (globalize_decl): Ditto.
15477 (default_globalize_decl_name): New.
15478 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
15479 (ia64_handle_version_id_attribute): New.
15480 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15481 (ia64_asm_output_external): Use globalize_decl_name instead
15482 of globalize_label.
15483 * doc/extend.texi (version_id): New pragma.
15484 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
15486 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15488 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
15489 _uleb128_t and _Unwind_SWord with _sleb128_t.
15490 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
15491 uw_frame_state_for, uw_update_context_1): Likewise.
15492 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
15493 * unwind-pe.h (read_uleb128, read_sleb128,
15494 read_encoded_value_with_base): Likewise.
15495 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
15497 2007-01-24 Richard Guenther <rguenther@suse.de>
15499 * builtins.c (expand_builtin_cexpi): Get the fndecl
15500 for cexp in the correct way.
15502 2007-01-24 Jan Hubicka <jh@suse.cz>
15504 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
15506 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15508 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
15509 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
15510 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
15511 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
15512 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
15513 __SIZEOF_PTRDIFF_T__.
15514 * doc/cpp.texi: Documentation for the new builtin macros added.
15516 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
15518 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
15519 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
15520 instead of operands[2] to avoid access past the end of array.
15522 2007-01-24 Richard Sandiford <richard@codesourcery.com>
15524 * reload1.c (emit_reload_insns): Pass the reload register
15525 for a non-spill output reload through forget_old_reloads_1.
15527 2007-01-23 Joseph Myers <joseph@codesourcery.com>
15529 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
15530 _SOFT_DOUBLE if doubles use software floating-point.
15531 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
15532 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15533 * config/rs6000/darwin-ldouble.c: Also compile functions for
15534 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
15535 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15536 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
15537 commented-out long double override.
15538 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
15539 * config/rs6000/eabispe.h: Likewise.
15540 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
15541 long double for non-SPE.
15542 (rs6000_handle_option): Likewise.
15543 (invalid_e500_subreg): Disallow more subregs involding DImode,
15544 DFmode, TImode or TFmode.
15545 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
15547 (legitimate_lo_sum_address_p): Also check for TFmode for E500
15549 (rs6000_legitimize_address): Also handle TFmode for E500 double.
15550 (rs6000_legitimize_reload_address): Also handle TFmode for E500
15552 (rs6000_legitimate_address): Also check for TFmode for E500
15554 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
15555 (spe_build_register_parallel): Handle TFmode and TCmode.
15556 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
15558 (function_arg): Handle TFmode and TCmode for E500 double.
15559 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
15561 (print_operand): Handle TFmode and TImode for %y.
15562 (rs6000_generate_compare): Handle TFmode comparisons for E500
15564 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
15565 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
15566 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
15567 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
15568 TFmode for E500 double.
15569 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
15570 (floatsidf2): Enable for E500 double.
15571 (movtf_softfloat): Use rs6000_nonimmediate_operand.
15572 (extenddftf2): Change to extenddftf2_fprs.
15573 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
15574 depending on TARGET_E500_DOUBLE.
15575 (extendsftf2): Enable for E500 double.
15576 (trunctfdf2): Enable for E500 double.
15577 (trunctfsf2): Change to trunctfsf2_fprs.
15578 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
15579 depending on TARGET_E500_DOUBLE.
15580 (floatsitf2): Enable for E500 double.
15581 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
15582 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
15583 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
15584 (negtf2): Change to negtf2_internal.
15585 (negtf2): New expander.
15586 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
15587 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
15588 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
15589 (movdi_internal32): Use rs6000_nonimmediate_operand.
15590 (unnamed splitter): Likewise.
15591 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
15592 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
15593 (SPE64TF, DITI): New mode macros.
15594 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
15597 (frob_<mode>_di_2): New.
15598 (frob_tf_di_8_2): New.
15599 (frob_di_df): Change to frob_di_<mode>; allow more modes.
15601 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
15603 (frob_ti_<mode>_8_2): New.
15604 (frob_ti_tf_2): New.
15605 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
15606 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
15608 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
15609 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
15610 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
15611 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
15612 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
15613 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
15616 2007-01-23 Ian Lance Taylor <iant@google.com>
15618 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
15620 (OBJS-archive): Reformat, alphabetize.
15621 (OBJS): Change out_object_file to OBJS-md.
15623 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
15625 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
15626 JUMP_P and CALL_P predicates where applicable.
15627 * config/i386/i386.c: Ditto.
15628 * config/i386/i386.md: Ditto.
15629 * config/i386/mmx.md: Ditto.
15630 * config/i386/predicates.md: Ditto.
15632 2007-01-22 Andreas Schwab <schwab@suse.de>
15634 * config/m68k/m68k.h: Fix comment.
15636 2007-01-22 Jan Hubicka <jh@suse.cz>
15638 * passes.c (init_optimization_passes): Do not rerun
15639 pass_early_warn_uninitialized.
15641 2007-01-22 Richard Guenther <rguenther@suse.de>
15643 PR tree-optimization/30038
15644 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
15646 (execute_cse_sincos_1): Likewise.
15647 (execute_cse_sincos): Likewise.
15648 (gate_cse_sincos): Likewise.
15649 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
15650 the cexpi() canonicalization of sincos().
15651 * tree-pass.h (pass_cse_sincos): Declare.
15652 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
15654 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15656 PR rtl-optimization/29329
15657 * combine.c (replaced_rhs_insn): Rename to i2mod.
15658 (replaced_rhs_value): Rename to i2mod_new_rhs.
15659 (i2mod_old_rhs): New global variable.
15660 (combine_instructions): Adjust for above change. Save a copy of
15661 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
15662 note are substituted in the second instruction.
15663 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
15664 ditch the note if it pertains to the second eliminated register
15665 and this register is mentioned in i2mod_old_rhs.
15668 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
15670 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
15671 the insn to which the note was originally attached.
15673 2007-01-21 Jan Hubicka <jh@suse.cz>
15675 * ipa-inline.c (inlining_mode): Comment, move up.
15676 (cgraph_decide_inlining_incrementally): Do not perform inlining
15677 itself; fix handling of flattening of self recursive functions.
15678 (cgraph_find_cycles): Remove.
15679 (cgraph_flatten_node): Remove.
15680 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
15681 (try_inline): New function.
15682 (cgraph_early_inlining): Update call of
15683 cgraph_decide_inlining_incrementally. Apply inlining here.
15684 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
15686 2007-01-21 Dirk Mueller <dmueller@suse.de>
15689 * tree-vrp.c (check_array_bounds): do not warn
15690 about ADDR_EXPR's of ARRAY_REF's which are immediately
15691 used in binary expressions.
15693 2007-01-21 Ira Rosen <irar@il.ibm.com>
15695 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
15696 read_write_dep and macros for its access.
15697 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
15698 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
15699 argument, call vect_check_interleaving for every independent pair of
15700 data-refs. Mark loads that access the same memory location as a store
15702 (vect_check_dependences): Remove.
15703 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
15704 call, fix the call to vect_analyze_data_ref_dependence.
15705 (vect_analyze_data_ref_access): For statements that access the same
15706 data-ref, check that they are not stores; for loads, check that there
15707 is no store that access the same location.
15709 2007-01-20 Roger Sayle <roger@eyesopen.com>
15710 Joseph Myers <joseph@codesourcery.com>
15712 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
15713 (-fdump-rtl-stack): Likewise.
15714 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
15715 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
15716 (-mpt-fixed): Use @minus{} for minus sign.
15717 (Using Precompiled Headers): Fix under/overfull hbox.
15719 2007-01-20 Jan Hubicka <jh@suse.cz>
15721 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
15722 place within annotation.
15724 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15726 * pa.c (output_move_double): Change array size of xoperands to 4.
15728 2007-01-20 Jan Hubicka <jh@suse.cz>
15730 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
15733 2007-01-19 Ian Lance Taylor <iant@google.com>
15735 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
15736 constant to unsigned HOST_WIDE_INT before negating.
15738 2007-01-19 Ian Lance Taylor <iant@google.com>
15740 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
15742 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
15743 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15744 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
15745 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
15746 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15747 (realloc_vdef, realloc_vuse): Change second parameter to
15749 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
15750 fields to unsigned.
15751 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
15752 unsigned. Change x and lim locals to unsigned.
15753 (realloc_vdef, realloc_vuse): Change num_elem parameter to
15755 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
15756 (copy_virtual_operands): Change i and n locals to unsigned.
15758 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15760 PR middle-end/29335
15761 * builtins.c (fold_builtin_1): Handle builtin fdim.
15763 2007-01-20 Jan Hubicka <jh@suse.cz>
15765 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
15766 * tree-ssa-structalias.c (compute_points_to_sets): Do call
15767 init_alias_heapvars.
15768 (init_alias_heapvars): Initialize only when not already initialized.
15769 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
15771 2007-01-19 Roger Sayle <roger@eyesopen.com>
15773 * common.opt (fsigned-zeros): New command line option.
15774 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
15775 of flag_unsafe_math_optimizations.
15776 * opts.c (set_fast_math_flags): The -ffast-math command line option
15777 implies -fno-signed-zeros.
15778 (fast_math_flags_set_p): Likewise.
15780 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
15781 the documentation of -ffast-math appropriately. Wrap long lines.
15783 2007-01-19 Steve Ellcey <sje@cup.hp.com>
15785 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
15786 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
15788 2007-01-19 Tomas Bily <tbily@suse.cz>
15790 * cgraphunit.c (cgraph_finalize_function): Updating of pid
15792 (tree_init_ic_make_global_vars): New function
15793 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
15794 (tree_gen_ic_profiler): New function
15795 (tree_gen_ic_func_profiler): New function
15796 (tree_profiling): Added calling of tree_gen_ic_func_profiler
15797 (tree_profile_hooks): Added hook for indirec/virtual calls
15798 * value-prof.c (tree_find_values_to_profile): New case for
15800 (tree_values_to_profile): Call for determining indirect/virtual
15802 (tree_indirect_call_to_profile): New function
15803 (tree_ic_transform): New function
15804 (tree_ic): New function
15805 (find_func_by_pid): New function
15806 (init_pid_map): New function
15807 (tree_value_profile_transformations): Added check for
15808 indirect/virtual call transformation
15809 * value-prof.h (enum hist_type): New counter type for
15810 indirect/virtual calls
15811 (profile_hooks): Added new hook for profiling indirect/virtual
15813 * profile.c (instrument_values): New case for indirect/virtual
15815 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
15816 (GCOV_COUNTER_V_INDIR): New counter type
15817 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
15818 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
15820 * cgraph.c: Definition of cgraph_max_pid
15821 (cgraph_create_node): Default init of pid attribute
15822 * cgraph.h: Declaration of cgraph_max_pid
15823 (struct cgraph_node): Added pid attribute
15824 * libgcov.c (__gcov_indirect_call_profiler): New function
15825 (__gcov_one_value_profiler_body): New function
15826 (__gcov_one_value_profiler): Body was moved to
15827 __gcov_one_value_profiler_body and calls it
15829 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
15831 * doc/gty.texi (Options): Document the mark_hook option to GTY.
15832 * gengtype.c (write_types_data, write_func_for_structure,
15833 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
15834 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
15835 (walk_type, write_func_for_structure): Generate the mark_hook if
15838 2007-01-19 Jan Hubicka <jh@suse.cz>
15840 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
15841 'early' argument take inlining mode argument specifying whether to
15842 inline for size/speeed or all functions; add support for flattening;
15844 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
15846 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15849 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
15850 the name of the declared identifier.
15852 2007-01-19 Dirk Mueller <dmueller@suse.de>
15854 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
15855 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
15856 duplicate evaluation.
15858 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
15860 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
15861 Macroize expander using X87MODEF12 mode macro. Extend operand 1
15862 to XFMode, use acosxf2 and truncate result to requested mode.
15863 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
15864 (asin<mode>2): Similarly, with asin expanders.
15865 (*fscalexf4_i387): Rename from *fscalexf4.
15866 (expNcorexf3): New expander.
15867 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
15868 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
15869 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
15870 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
15871 patterns for SSE math.
15872 (exp10<mode>2): Similarly, with exp10 expanders.
15873 (exp2<mode>2): Similarly, with exp2 expanders.
15874 (expm1<mode>2): Similarly, with expm1 expanders.
15875 (ldexp<mode>3): Similarly, with ldexp expanders.
15876 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
15877 Use gen_truncxf<mode>2_i387_noop to truncate result.
15879 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15881 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
15882 for ColdFire targets.
15884 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
15885 Richard Sandiford <richard@codesourcery.com>
15887 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
15888 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
15889 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
15890 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
15891 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15892 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15894 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15896 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
15897 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
15898 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
15899 (*adddi_dilshr32_cf): New pattern.
15900 (adddi3, subdi3): Remove first alternatives.
15902 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15904 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
15905 implemented using move.l, do not use its cc result for floating-point
15908 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15910 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
15911 from accepting 's' constraints if flag_pic.
15913 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15915 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
15916 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
15917 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
15918 condition from TARGET_68881 to TARGET_HARD_FLOAT.
15920 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
15922 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
15923 ColdFire alternatives.
15924 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
15925 * config/m68k/m68k.md (clzsi2): Define for ColdFire
15926 architectures that support ff1 instruction.
15928 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15929 Julian Brown <julian@codesourcery.com>
15931 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
15932 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
15933 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
15936 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15938 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
15940 (output_move_const_into_data_reg, output_move_simode_const): Delete.
15941 * config/m68k/m68k.c (const_method, const_int_cost): Take a
15942 HOST_WIDE_INT instead of an rtx.
15943 (m68k_rtx_costs): Update call accordingly.
15944 (output_move_const_into_data_reg): Likewise. Fix formatting.
15945 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
15947 (output_move_simode_const): Update calls after above changes.
15948 Rework to use automatic variables and predicates like MEM_P.
15949 * config/m68k/m68k.md (pushexthisi_const): Update call to
15952 2007-01-19 Dirk Mueller <dmueller@suse.de>
15954 * tree-ssa-alias.c (perform_var_substitution): Fix typo
15955 in dump_flags test.
15957 2007-01-19 Richard Guenther <rguenther@suse.de>
15959 * builtins.c (expand_builtin_cexpi): Fall back to expanding
15960 via cexp in case sincos is not available.
15962 2007-01-19 Richard Guenther <rguenther@suse.de>
15964 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
15965 * defaults.h (TARGET_HAS_SINCOS): Default to off.
15966 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
15967 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
15968 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
15969 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
15970 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
15971 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
15973 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
15975 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
15977 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
15978 (atan2xf3): Directly generate RTL pattern.
15979 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
15980 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
15981 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
15982 disable patterns for SSE math.
15983 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
15984 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
15985 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
15986 disable patterns for SSE math.
15988 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
15990 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
15992 2007-01-18 Roger Sayle <roger@eyesopen.com>
15994 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
15995 VIEW_CONVERT_EXPR to the same type as it's operand.
15997 2007-01-18 David Edelsohn <edelsohn@gnu.org>
15999 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
16000 configured for long double 128.
16002 2007-01-18 Mike Stump <mrs@apple.com>
16004 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
16007 2007-01-18 Michael Meissner <michael.meissner@amd.com>
16009 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
16012 2007-01-18 Jan Hubicka <jh@suse.cz>
16014 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
16015 greater than NUM_VOP_FREE_BUCKETS.
16017 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
16019 * tree-ssa-structalias.c: Update comments.
16020 (ptabitmap_obstack): Removed.
16021 (pta_obstack): New.
16022 (oldpta_obstack): Ditto.
16023 (stats): Add a few members.
16024 (struct variable_info): Remove node, complex, address_taken, and
16025 indirect_target members. Add oldsolution member.
16026 (new_var_info): Do not initialize removed members.
16027 (constraint_expr_type): Remove INCLUDES.
16028 (constraint_graph): Add size, implicit_preds, rep,
16029 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
16030 (FIRST_REF_NODE): New macro.
16031 (LAST_REF_NODE): Ditto.
16032 (FIRST_ADDR_NODE): Ditto.
16033 (find): New function.
16035 (dump_constraint): Do not handle INCLUDES.
16036 (insert_into_complex): Do not insert duplicate constraints.
16037 (condense_varmap_nodes): Renamed and rewritten into ...
16038 (merge_node_constraints): This. Also fix bug in handling of
16039 offseted copy constraints.
16040 (clear_edges_for_node): No longer need to deal with preds at all,
16041 or removing associated preds/succs.
16042 (merge_graph_nodes): Deal with indirect_cycles.
16043 Don't deal with predecessors.
16044 (add_implicit_graph_edge): New function.
16045 (add_pred_graph_edge): Ditto.
16046 (add_graph_edge): Don't deal with predecessors.
16047 (build_constraint_graph): Removed.
16048 (build_pred_graph): New function.
16049 (build_succ_graph): Ditto.
16050 (struct scc_info): Removed in_component. Added roots, dfs, and
16051 node_mapping. Remove visited_index, unification_queue.
16052 (scc_visit): Deal with union-find we do now.
16053 Deal with cycles with REF nodes.
16054 (collapse_nodes): Renamed and rewritten to ...
16055 (unify_nodes): This.
16056 (process_unification_queue): Removed.
16057 (topo_visit): Cleanup
16058 (do_da_constraint): Use find.
16059 (do_sd_constraint): Ditto.
16060 (do_ds_constraint): Ditto.
16061 (do_complex_constraint): Ditto.
16062 (init_scc_info): Update for removed and added members.
16063 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
16064 (find_indirect_cycles): This.
16065 (equivalence_class): New variable.
16066 (label_visit): New function.
16067 (perform_variable_substitution): Rewritten.
16068 (free_var_substitution_info): New function.
16069 (find_equivalent_node): Ditto.
16070 (move_complex_constraints): Ditto.
16071 (eliminate_indirect_cycles): Ditto.
16072 (solve_graph): Only propagate changed bits.
16073 Use indirect cycle elimination.
16075 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
16076 (tree_id_eq): Renamed to ...
16077 (tree_vi_eq): This. Update for member change
16078 (insert_id_for_tree): Renamed and rewritten to ...
16079 (insert_vi_for_tree): This.
16080 (lookup_id_for_tree): Renamed and rewritten to ...
16081 (lookup_vi_for_tree): This.
16082 (get_id_for_tree): Renamed and rewritten to ...
16083 (get_vi_for_tree): Ditto.
16084 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
16085 (process_constraint): Don't handle INCLUDES.
16086 Remove special ADDRESSOF case.
16087 (find_func_aliases): Rewrite to use vi functions instead of id
16089 (create_function_info_for): Ditto.
16090 (create_variable_info_for): Ditto.
16091 (intra_create_variable_infos): Ditto.
16092 (merge_smts_into): Ditto.
16093 (find_what_p_points_to): Ditto.
16094 (init_base_vars): Ditto.
16095 (init_alias_vars): Ditto.
16096 (remove_preds_and_fake_succs): New function.
16097 (dump_sa_points_to_info): Dump new stats.
16098 (dump_solution_for_var): Use find.
16099 (set_used_smts): Fix formatting.
16100 (compute_points_to_sets): Updated for new functions.
16101 (ipa_pta_execute): Ditto.
16103 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16104 Richard Sandiford <richard@codesourcery.com>
16106 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
16108 * calls.c (expand_call): If the return value is a PARALLEL,
16109 extract its first member.
16110 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
16111 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16112 use FUNCTION_EXTRA_EPILOGUE.
16113 (m68k_function_value): Return a PARALLEL if the return value
16114 is of a pointer type.
16115 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
16116 (FUNCTION_EXTRA_EPILOGUE): Remove.
16117 * config/m68k/m68k.md (D0_REG): New constant.
16119 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16121 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16122 output a NOP for empty epilogues.
16124 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16126 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
16127 before function. Extend register save check to include all
16128 registers, not just integer ones.
16130 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16132 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
16133 (m68k_use_return_insn): ...this.
16134 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
16135 * config/m68k/m68k.c (use_return_insn): Rename to...
16136 (m68k_use_return_insn): ...this.
16137 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
16138 of USE_RETURN_INSN.
16140 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16142 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
16143 nearest even, fix denormal rounding overflow.
16145 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16147 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
16148 f%$smove and f%$move.
16149 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
16150 (extendsfdf2_cf): Use fdmove instead of f%&move.
16151 (truncdfsf2_cf): Use fsmove instead of f%$smove.
16152 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
16154 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16156 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
16159 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16161 * real.h (real_format): Add a canonical_nan_lsbs_set field.
16162 (coldfire_single_format): Declare.
16163 (coldfire_double_format): Likewise.
16164 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
16165 of qnan_msb_set to determine the lower bits of a canonical
16167 (encode_ieee_double): Likewise.
16168 (encode_ieee_quad): Likewise.
16169 (ieee_single_format): Initialize canonical_nan_lsbs_set.
16170 (mips_single_format): Likewise.
16171 (ieee_double_format): Likewise.
16172 (mips_double_format): Likewise.
16173 (ieee_extended_motorola_format): Likewise.
16174 (ieee_extended_intel_96_format): Likewise.
16175 (ieee_extended_intel_128_format): Likewise.
16176 (ieee_extended_intel_96_round_53_format): Likewise.
16177 (ibm_extended_format): Likewise.
16178 (mips_extended_format): Likewise.
16179 (ieee_quad_format): Likewise.
16180 (mips_quad_format): Likewise.
16181 (vax_f_format): Likewise.
16182 (vax_d_format): Likewise.
16183 (vax_g_format): Likewise.
16184 (i370_single_format): Likewise.
16185 (i370_double_format): Likewise.
16186 (decimal_single_format): Likewise.
16187 (decimal_double_format): Likewise.
16188 (decimal_quad_format): Likewise.
16189 (c4x_single_format): Likewise.
16190 (c4x_extended_format): Likewise.
16191 (real_internal_format): Likewise.
16192 (coldfire_single_format): New real_format.
16193 (coldfire_double_format): Likewise.
16194 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
16195 canonical_nan_lsbs_set.
16196 (pdp11_d_format): Likewise.
16197 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
16198 if TARGET_COLDFIRE_CPU.
16200 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16202 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
16203 (output_call, m68k_legitimize_call_address): Declare.
16204 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
16205 parenthesees. Add support for a 'W' constraint.
16206 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
16207 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
16208 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
16209 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
16211 (override_options): Initialize them. Do not set flag_no_function_cse
16212 for TARGET_ID_SHARED_LIBRARY.
16213 (m68k_output_pic_call): Delete.
16214 (m68k_legitimize_call_address): New function.
16215 (print_operand): Remove the %o prefix. Handle the %p prefix.
16216 (output_call): New function.
16217 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
16218 target address from the GOT if symbolic jumps are not allowed.
16219 * config/m68k/m68k.md (call, general_operand): Do not set
16220 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
16221 Merge separate flag_pic and !flag_pic define_insns into...
16222 (*call, *call_value): ...these new patterns. Match the address
16223 rather than the containing MEM and require it to be a call_operand.
16224 Use output_call to generate the asm template.
16225 * config/m68k/predicates.md (const_call_operand): New predicate.
16226 (call_operand): Likewise.
16228 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16230 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
16231 (STACK_GROWS_DOWNWARD): Define to 1.
16232 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
16233 comments, emphasizing that these values are only defaults.
16234 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
16235 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
16237 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16239 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
16241 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16242 Richard Sandiford <richard@codesourcery.com>
16244 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
16245 (FP_REGNO_P): New macros.
16246 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
16247 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
16248 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
16249 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
16251 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16253 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16254 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
16256 * config/m68k/t-floatlib: New file, extracting common code from...
16257 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
16258 * config/m68k/t-uclinux: Here.
16259 * config/m68k/fpgnulib.c: Do not compile extendeed precision
16260 routines on ColdFire targets.
16262 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16264 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16265 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
16266 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
16267 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
16268 explicitly set MOTOROLA to 1.
16269 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
16271 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16272 Nathan Sidwell <nathan@codesourcery.com>
16274 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
16275 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
16276 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
16277 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
16278 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
16279 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
16280 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
16281 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
16282 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
16283 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16284 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
16285 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
16286 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
16287 (DBX_REGISTER_NUMBER): Delete.
16288 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
16289 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16290 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
16292 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16294 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
16295 * config/flat.h: New file.
16296 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
16297 OBJECT_FORMAT_FLAT.
16298 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
16299 indirect references for -msep-data or -mid-shared-library.
16300 Do not use PC-relative code addresses either.
16301 * config/m68k/m68k.c (override_options): Restrict -fPIC error
16303 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
16304 for shared libraries and crt1.o for executables. Use crti.o and
16306 (ENDFILE_SPEC): Use crtend.o and crtn.o.
16307 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
16308 Do not add -elf2flt or -shared-lib-id options here.
16309 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
16310 Pass -shared-lib-id if -mid-shared-library, taking the library
16311 identifier from -mshared-library-id if given, otherwise
16313 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
16314 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
16315 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
16316 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
16317 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
16318 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
16320 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
16321 jump sequence for ISA A and ISA A+.
16322 (PICJUMP): Likewise.
16324 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16326 * config.gcc (m68k-*-uclinux*): Base the port on the common
16327 and m68k GNU/Linux files rather than on the generic ELF ones.
16328 * config/m68k/uclinux.h (TARGET_VERSION): Override.
16329 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
16331 2007-01-18 Julian Brown <julian@codesourcery.com>
16332 Richard Sandiford <richard@codesourcery.com>
16334 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
16335 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16336 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
16338 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
16339 80 unconditionally.
16340 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16342 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16344 * doc/install.texi: Document m68k-uclinuxoldabi.
16345 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
16346 * config/m68k/uclinux-oldabi.h: New file, copied from
16347 config/m68k/uclinux.h.
16349 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
16351 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
16352 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
16353 (m32r_compute_frame_size): Use unsigned for regno.
16354 (m32r_reload_lr): Use gen_frame_mem.
16356 (m32r_output_function_epilogue): Don't output the function epilogue
16358 (m32r_expand_epilogue): New.
16359 (direct_return): Return false if the function has the interrupt
16361 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
16362 * config/m32r/m32r.md (epilogue): New expander.
16363 (return_lr, return_rte): New insns.
16364 (return): Make it expander.
16365 (return_normal): New expander.
16367 2007-01-18 Josh Conner <jconner@apple.com>
16370 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
16371 support for UNLE, UNLT, UNGE, and UNGT.
16373 2007-01-18 Jan Hubicka <jh@suse.cz>
16375 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
16376 * tree-tailcall (add_virtual_phis): Likewise.
16377 (optimize_tail_call): Return TODOs.
16378 (execute_tail_calls): Return TODOs.
16379 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
16380 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
16382 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
16383 Cleanup cfg using TODO.
16384 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
16385 * passes.c (execute_function_todo): When cleanup did something, remove
16387 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
16388 (make_edges): Don't cleanup_cfg.
16390 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
16392 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
16393 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
16394 operate on the top of stack.
16395 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
16396 register handling of instructions that output to the second
16398 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
16399 (move_for_stack_reg): Special-case check for dead destination
16400 stack slot for constant load of 1.0 inside UNSPEC_TAN.
16402 * config/i386/i386.md (UNSPEC_TAN): New constant.
16403 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
16404 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
16405 to correctly model move of constant 1.0 to top stack slot.
16406 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
16407 (unnamed peephole2 pattern): Remove corresponding peephole2
16408 pattern that optimizes tan insn and loading of constant 1.0.
16409 (tanxf2): Use fptanxf4_i387.
16410 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
16411 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
16412 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16413 disable patterns for SSE math.
16414 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
16415 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
16417 2007-01-18 Dirk Mueller <dmueller@suse.de>
16418 Richard Guenther <rguenther@suse.de>
16421 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
16422 * common.opt (Warray-bounds): Add new warning option.
16423 * c-opts.c (c_common_handle_option): Define -Warray-bounds
16425 * Makefile.in: make tree-vrp.o depend on toplev.h
16426 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
16428 (check_array_refs, check_array_bounds, check_array_ref): New.
16430 2007-01-18 Jan Hubicka <jh@suse.cz>
16432 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
16433 (execute_ssa_ccp): Return flags conditionally.
16434 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
16436 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
16438 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
16440 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
16441 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
16443 * Makefile.c (GTFILES): Add cfglayout.h.
16444 * gengtype.c (open_base_files): Likewise.
16445 * cfglayout.c (cfg_layout_function_footer,
16446 cfg_layout_function_header) Reindent to make gengtype happy.
16447 * cfglayout.h (cfg_layout_function_footer,
16448 cfg_layout_function_header): Add GTY(()) marker.
16450 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
16452 2007-01-18 Ben Elliston <bje@au.ibm.com>
16454 * genautomata.c (write_automata): Include xstrerror output in the
16455 error message if writing the DFA description file fails.
16457 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
16459 * config/mips/mips-protos.h (mips_output_external): Make it
16461 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
16462 * config/mips/mips.c (irix_output_external_libcall): Likewise.
16463 (extern_list): Likewise.
16464 (extern_head): Likewise.
16465 (TARGET_ASM_FILE_END): Likewise.
16466 (mips_file_end): Likewise.
16467 (mips_output_external): Rewritten.
16469 2007-01-18 Ben Elliston <bje@au.ibm.com>
16471 * genpreds.c (write_insn_preds_c): Only write out the function
16472 body for regclass_for_constraint if we have register constraints.
16474 2007-01-17 Tom Tromey <tromey@redhat.com>
16476 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
16477 * doc/install.texi (Testing): Use sourceware.org.
16478 (Binaries): Likewise.
16479 (Specific): Likewise.
16480 * doc/contrib.texi (Contributors): Use sourceware.org.
16482 2007-01-17 Anatoly Sokolov <aesok@post.ru>
16484 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
16485 (AVR_ENHANCED): Rename to ...
16486 (AVR_HAVE_MUL): ... new.
16487 (avr_enhanced_p): Rename to ...
16488 (avr_have_mul_p): ... new.
16489 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
16490 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
16491 * config/avr/avr.c (avr_enhanced_p): Rename to ...
16492 (avr_have_mul_p): ... new.
16493 (base_arch_s): Rename 'enhanced' to 'have_mul'.
16494 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
16495 'avr_enhanced_p' and 'enhanced'.
16496 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
16497 AVR_HAVE_MUL instead of AVR_ENHANCED.
16498 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16499 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
16500 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
16501 instead of AVR_ENHANCED.
16502 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16503 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
16504 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
16506 2007-01-17 Ian Lance Taylor <iant@google.com>
16508 * vec.h (VEC_reserve_exact): Define.
16509 (vec_gc_p_reserve_exact): Declare.
16510 (vec_gc_o_reserve_exact): Declare.
16511 (vec_heap_p_reserve_exact): Declare.
16512 (vec_heap_o_reserve_exact): Declare.
16513 (VEC_OP (T,A,reserve_exact)): New static inline function, three
16515 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
16516 negative parameter.
16517 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
16518 (VEC_OP (T,A,copy)) [all versions]: Likewise.
16519 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
16520 * vec.c (calculate_allocation): Add exact parameter. Change all
16522 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
16523 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
16524 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
16525 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
16526 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
16527 (vec_heap_p_reserve_exact): New function.
16528 (vec_heap_o_reserve_exact): New function.
16530 2007-01-17 Jan Hubicka <jh@suse.cz>
16532 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
16534 2007-01-17 Eric Christopher <echristo@apple.com>
16536 * config.gcc: Support core2 processor.
16538 2007-01-16 Jan Hubicka <jh@suse.cz>
16540 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
16541 the names, just unlink the chain so we don't crash on dangling pointers
16544 2007-01-16 Jan Hubicka <jh@suse.cz>
16546 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
16547 * tree-pass.h: Reorder to make IPA passes appear toegher.
16548 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
16549 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
16550 parameters, do not call early inliner.
16551 * ipa-inline.c: Update comments. Include tree-flow.h
16552 (cgraph_decide_inlining): Do not compute inlining parameters.
16553 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
16554 be called with function context set up.
16555 (pass_ipa_inline): Remove unreachable functions before pass.
16556 (cgraph_early_inlining): Simplify assuming to be called from the
16558 (pass_early_inline): New pass.
16559 (cgraph_gate_ipa_early_inlining): New gate.
16560 (pass_ipa_early_inline): Turn into simple wrapper.
16561 (compute_inline_parameters): New function.
16562 (gate_inline_passes): New gate.
16563 (pass_inline_parameters): New pass.
16564 (apply_inline): Move here from tree-optimize.c
16565 (pass_apply_inline): New pass.
16566 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
16568 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
16569 doing them by hand.
16570 (tree_function_versioning): Do not allocate dummy struct function.
16571 * tree-inline.h (optimize_inline_calls): Update prototype.
16572 * tree-optimize.c (execute_fixup_cfg): Export.
16573 (pass_fixup_cfg): Remove
16574 (tree_rest_of_compilation): Do not apply inlines.
16575 * tree-flow.h (execute_fixup_cfg): Declare.
16576 * Makefile.in (gt-passes.c): New.
16577 * passes.c: Include gt-passes.h
16578 (init_optimization_passes): New passes.
16579 (nnodes, order): New static vars.
16580 (do_per_function_toporder): New function.
16581 (execute_one_pass): Dump current pass here.
16582 (execute_ipa_pass_list): Don't dump current pass here.
16584 2007-01-16 Janis Johnson <janis187@us.ibm.com>
16586 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
16587 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
16589 2007-01-16 David Edelsohn <edelsohn@gnu.org>
16591 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
16592 (strong_alias): Define.
16593 (__gcc_qmul): Provide non-FMA for soft-float.
16594 (__gcc_qdiv): Same.
16599 (__gcc_qunord): New.
16609 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
16610 soft-float functions.
16611 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
16612 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
16613 about long double soft float.
16615 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
16616 Tehila Meyzels <tehila@il.ibm.com>
16618 * tree-vectorizer.h (is_pattern_stmt_p): New.
16619 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
16620 formatting (tabs instead of spaces). Cleanup and clarify setting
16621 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
16622 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
16623 (vectorizable_type_demotion): Check that types are integral.
16624 (vectorizable_type_promotion): Likewise.
16625 (vectorizable_store): Fix typo. Eliminate new-line at end of
16628 2007-01-16 Jan Hubicka <jh@suse.cz>
16630 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
16633 2007-01-15 Eric Christopher <echristo@apple.com>
16635 * ifcvt.c: Include vec.h, vecprim.h.
16636 (check_cond_move_block): New argument regs.
16637 Reorganize. Add registers used to regs.
16638 (cond_move_process_if_block): Use regs set above as
16641 2007-01-15 Eric Christopher <echristo@apple.com>
16643 * config/darwin.h: Update copyright.
16644 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
16645 (LINK_COMMAND_SPEC): Add -u.
16646 (LINK_SPEC): Fix umbrella for above.
16648 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
16650 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
16653 2007-01-15 Tom Tromey <tromey@redhat.com>
16655 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
16656 * doc/install.texi (Testing): Don't mention jacks.
16657 (Configuration): Document --enable-java-maintainer-mode. Move
16658 --with-java-home to libgcj-specific section. Document
16660 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
16662 2007-01-15 Jan Hubicka <jh@suse.cz>
16664 * tree-ssa-dce.c (DCE_TODOs): New.
16665 (propagate_necessity): Return if something changed.
16666 (eliminate_unnecessary_stmts): Likewise.
16667 (perform_tree_ssa_dce): Return TODO flags when needed.
16668 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
16670 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
16672 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
16673 (fyl2x_extend<mode>xf3_i387): New insn pattern.
16674 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
16675 patterns using X87MODEF12 mode macro. Extend operand 1
16676 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16677 (log10<mode>2): Ditto.
16678 (log2<mode>2): Ditto.
16679 (log1p<mode>2): Ditto.
16680 (logb<mode>2): Ditto.
16681 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
16682 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
16683 (*fxtractxf3_i387): Rename from *fxtractxf3.
16684 (fxtract_extend<mode>xf3_i387): New insn pattern.
16685 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
16686 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
16687 and gen_fyl2xxf3_i387().
16689 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16691 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
16692 * cfgloopmanip.c (fix_loop_placement): Made static. Use
16693 get_loop_exit_edges. Changed return type to bool.
16694 * cfgloop.h (fix_loop_placement): Declaration removed.
16696 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
16698 * param.h (MIN_VECT_LOOP_BOUND): New.
16699 * params.def (MIN_VECT_LOOP_BOUND): New.
16700 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
16701 argument - minimum threshold for number of iterations.
16702 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
16703 argument to declaration.
16704 * tree-vect-analyze.c (vect_analyze_operations): Check value of
16705 MIN_VECT_LOOP_BOUND.
16706 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
16707 slpeel_tree_peel_loop_to_edge with additional argument.
16708 (vect_do_peeling_for_alignment): Likewise.
16709 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
16711 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
16714 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
16715 operands of size 1.
16717 2007-01-14 Jan Hubicka <jh@suse.cz>
16719 * tree-dfa.c (remove_referenced_var): New function.
16720 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
16721 prune referenced vars list too.
16722 * tree-flow.h (remove_referenced_var): Declare.
16724 2007-01-14 Jan Hubicka <jh@suse.cz>
16726 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
16728 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
16729 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
16730 * except.h (verify_eh_throw_table_statements): Kill prototype.
16731 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
16732 into call exrepssions.
16733 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
16735 * tree-cfg.c: Include pointer-set.h.
16736 (verify_node_sharing): Work on pointer set.
16737 (verify_eh_throw_stmt_node): New.
16738 (verify_stmts): Use pointers sets, verify throw_stmt.
16740 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
16742 * ipa-reference.c (analyze_function): Consider also addresses taken
16745 2007-01-12 Roger Sayle <roger@eyesopen.com>
16747 * c-typeck.c (null_pointer_constant_p): Replace use of
16748 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16749 (build_c_cast): Likewise.
16751 2007-01-12 Roger Sayle <roger@eyesopen.com>
16753 * tree.h (force_fit_type_double): Remove unused final argument.
16754 * c-common.c (constant_expression_warning): Replace use of
16755 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16756 (convert_and_check): Likewise.
16757 (shorten_compare): Update call to force_fit_type_double.
16758 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
16759 * convert.c (convert_to_pointer): Update call to
16760 force_fit_type_double.
16761 * fold-const.c (force_fit_type_double): Remove overflowed_const
16763 (int_const_binop, fold_convert_const_int_from_int,
16764 fold_convert_const_int_from_real, fold_div_compare,
16765 fold_sign_changed_comparison, fold_unary, fold_negate_const,
16766 fold_abs_const, fold_not_const): Remove the final argument from
16767 calls to force_fit_type_double.
16769 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
16771 * configure.ac: Set insn to "nop" for spu-*-* also.
16772 * configure: Regenerate.
16774 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
16776 * builtins.def : Add BUILT_IN_FREE.
16778 2007-01-12 Jan Hubicka <jh@suse.cz>
16780 PR tree-optimization/30443
16781 * tree-inline.c (tree_function_versioning): Do not optimize when
16782 cloning for inlining.
16784 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
16786 * doc/loop.texi: Document recording of loop exits.
16787 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
16788 (update_single_exits_after_duplication,
16789 update_single_exit_for_duplicated_loop,
16790 update_single_exit_for_duplicated_loops): Removed.
16791 (duplicate_loop_to_header_edge): Do not call
16792 update_single_exits_after_duplication and
16793 update_single_exit_for_duplicated_loops.
16794 (loop_version): Do not update single_exit information.
16795 (fix_loop_structure): Use record_loop_exits instead of
16796 mark_single_exit_loops.
16797 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
16798 the lists of loop exits.
16799 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
16800 split_edge, merge_blocks): Update the lists of loop exits.
16801 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
16802 loop_optimizer_init.
16803 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
16804 of mark_single_exit_loops.
16805 (loop_optimizer_finalize): Call release_recorded_exits.
16806 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
16807 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
16808 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
16809 update single exit information.
16810 * lambda-code.c (perfect_nestify): Ditto.
16811 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
16812 (mark_single_exit_loops): Removed.
16813 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
16814 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
16815 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
16817 (get_loop_exit_edges, single_exit): Use recorded exit lists.
16818 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
16819 (verify_loop_structure): Verify consistency of the exit lists.
16820 (flow_loops_find): Use alloc_loop. Initialize exits hash.
16821 (set_single_exit): Removed.
16822 * cfgloop.h (struct loop_exit): New function.
16823 (struct loop): single_exit_ field replaced by exits field.
16824 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
16825 (struct loops): Added exits hash.
16826 (mark_single_exit_loops, set_single_exit): Declaration removed.
16827 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
16829 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16831 * doc/invoke.texi: Avoid use of @headitem.
16833 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16835 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
16837 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16839 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
16842 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16843 Richard Sandiford <richard@codesourcery.com>
16845 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
16846 * config/m68k/m68k.opt: Resort options.
16847 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
16849 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16850 Richard Sandiford <richard@codesourcery.com>
16852 * doc/invoke.texi: Document the macros that are defined by
16853 m68k's -mtune and -mhard-float options.
16854 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
16855 (m68k_cpp_cpu_family): Likewise.
16856 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
16857 of __ucfv*__ macros. Define __mcffpu__ if generating code for
16858 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
16859 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
16860 (m68k_cpp_cpu_family): Likewise.
16862 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16864 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
16865 macros besides mc68000 as tuning macros. Use a switch statement
16866 to set them and mcpu32.
16868 2007-01-12 Julian Brown <julian@codesourcery.com>
16870 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
16871 (TARGET_68040_ONLY): Rename to...
16872 (TARGET_68040): ...this.
16873 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
16874 * config/m68k/m68k.md: Likewise.
16876 2007-01-12 Julian Brown <julian@codesourcery.com>
16877 Nathan Sidwell <nathan@codesourcery.com>
16878 Richard Sandiford <richard@codesourcery.com>
16880 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
16881 the -mcpu= argument associated with the --with-cpu setting.
16882 Define M68K_DEFAULT_TUNE to the default -mtune= option,
16883 if different from the one implied by the -mcpu setting.
16884 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
16885 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
16886 * doc/invoke.texi: Mention ColdFire in the introduction to the
16887 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
16888 -mno-div and -mhard-float options. Make -m68881 a synonym for
16889 -mhard-float. Document the previously-undocumented -m5206e,
16890 -m528x, -m5307 and -m5407 options. Tweak the existing option
16891 documentation for consistency.
16892 * doc/install.texi: Mention new --with-cpu arguments.
16893 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
16894 default CPU if neither -mcpu nor -march are specified.
16895 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
16896 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
16897 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
16898 using m68k_tune to decide between families that implement the
16899 same ISA. Use m68k_tune to set __mcfv4e__.
16900 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
16901 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
16902 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
16903 (FL_ISA_C, FL_ISA_MMU): New macros.
16904 (MASK_COLDFIRE): Delete.
16905 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
16906 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
16907 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
16908 (TARGET_HARD_FLOAT): Do not define here.
16909 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
16910 (TUNE_68000): New macro.
16911 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
16912 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
16913 (TUNE_CFV2): Redefine in terms of m68k_tune.
16914 (uarch_type, target_device, fpu_type): New enums.
16915 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
16916 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
16917 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
16918 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
16919 (FL_FOR_isa_c): New macros.
16920 (m68k_isa): New enum.
16921 (m68k_target_selection): New structure.
16922 (all_devices, all_isas, all_microarchs): New tables.
16923 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
16924 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
16925 (MASK_ALL_CPU_BITS): Delete.
16926 (m68k_find_selection): New function.
16927 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
16928 Map the legacy target options to a combination of the new ones.
16929 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
16930 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
16931 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
16933 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
16934 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
16936 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
16937 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
16938 * config/m68k/m68k-devices.def: New file.
16940 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16941 Nathan Sidwell <nathan@codesourcery.com>
16943 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
16944 (SUBTARGET_EXTRA_SPECS): New macros.
16945 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
16946 use %(asm_cpu_spec) instead.
16947 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
16948 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
16949 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
16950 (EXTRA_SPECS): Rename to...
16951 (SUBTARGET_EXTRA_SPECS): ...this.
16953 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16954 Richard Sandiford <richard@codesourcery.com>
16955 Julian Brown <julian@codesourcery.com>
16957 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16958 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
16959 to the configuration's default CPU.
16960 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
16961 Remove default masks.
16962 (m680[012]0-*-*): Set the default with_cpu to the first part of
16964 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
16965 (m68k*-*-linux): Extend the --with-cpu handling to...
16966 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
16967 and m68010. Don't set target_cpu_default2.
16968 * doc/install.texi: Document --with-cpu for m68k.
16969 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
16970 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
16971 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
16972 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
16973 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
16974 (ASM_SPEC): Remove use of %(asm_cpu_default).
16975 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
16976 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
16977 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
16978 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
16979 __HAVE_FPU__ if TARGET_HARD_FLOAT.
16980 (TARGET_DEFAULT): Delete.
16981 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
16982 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
16983 (CPP_CPU_SPEC): Delete.
16984 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
16985 the appropriate string.
16986 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
16987 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
16988 (ASM_SPEC): Don't use %(asm_default_spec).
16989 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16990 TARGET_DEFAULT and add MASK_68881.
16991 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
16993 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16995 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
16996 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
16997 MASK_68010 alongside MASK_68020.
16998 * doc/invoke.texi: Document -m68010.
16999 * config/m68k/m68k.opt (m68010): New.
17000 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
17002 (TUNE_68010): New macro.
17003 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
17004 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
17005 (M68K_CPU_m68332): Add MASK_68010.
17006 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
17007 fallback definition.
17008 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
17010 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
17011 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
17012 to all entries that use MASK_68020.
17013 (output_move_simode_const, output_move_himode, output_move_qimode)
17014 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
17015 instead of TARGET_68020 to select clr behavior. Remove comment
17016 about there being no TARGET_68010.
17017 * config/m68k/m68k.md: Likewise throughout.
17019 2007-01-12 Julian Brown <julian@codesourcery.com>
17021 * config/m68k/m68k.h (TARGET_ISAB): New macro.
17022 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
17023 * config/m68k/m68k.md: Likewise.
17025 2007-01-12 Julian Brown <julian@codesourcery.com>
17027 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
17028 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
17030 2007-01-12 Julian Brown <julian@codesourcery.com>
17032 * config/m68k/m68k.h (TUNE_68040_60): New macro.
17033 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
17034 * config/m68k/m68k.md: Likewise.
17036 2007-01-12 Julian Brown <julian@codesourcery.com>
17037 Richard Sandiford <richard@codesourcery.com>
17039 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
17040 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
17041 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
17043 (TARGET_CPU32): Rename to...
17044 (TUNE_CPU32): ...this.
17045 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
17046 (TUNE_CFV2): New macros.
17047 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
17048 remove conditions that are implied by TARGET_68020.
17049 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
17050 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
17051 (m68k_output_function_epilogue): Likewise.
17052 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
17053 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
17054 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
17055 non-68000 timings. Refactor multiplication and division costs.
17056 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
17057 TUNE_CPU32 instead of TARGET_CPU32.
17058 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
17059 and TUNE_68060 instead of TARGET_68060.
17060 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
17061 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
17063 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
17064 && !TARGET_COLDFIRE" to choose between moveq and clr.
17065 Likewise in the unnamed movsf pattern.
17066 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
17067 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
17070 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17072 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
17073 of tabbing before backslashes.
17075 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17077 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
17078 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
17079 (ASM_OUTPUT_INTERNAL_LABEL): Define.
17081 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17083 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
17084 find_interesting_uses_cond.
17085 (find_interesting_uses_cond): Use extract_cond_operands.
17086 (rewrite_use_compare): Use extract_cond_operands and
17087 force_gimple_operand_bsi. Do not call update_stmt.
17088 (determine_use_iv_cost_condition): Use extract_cond_operands.
17089 Return cheaper of using original bound and changing the exit bound.
17091 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17093 PR tree-optimization/29516
17094 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
17095 most_expensive_mult_to_index, addr_to_parts,
17096 create_mem_ref, maybe_fold_tmr): Make the type of
17097 fields of TARGET_MEM_REF sizetype.
17098 (move_fixed_address_to_symbol, move_pointer_to_base):
17100 * tree.def (TARGET_MEM_REF): Add comment on types of
17103 2007-01-11 Joseph Myers <joseph@codesourcery.com>
17105 * c-common.c (vector_types_convertible_p): Treat opaque types as
17106 always convertible if they have the same size, but not otherwise.
17108 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
17110 * ifcvt.c (struct noce_if_info): Add comments to the fields.
17111 Remove the b_unconditional field.
17112 (noce_try_sign_mask): Do not look at b_unconditional.
17113 (noce_process_if_block): Do not use merge_if_blocks. Update
17114 the CFG here. Do not set b_unconditional.
17115 (cond_move_process_if_block): Likewise.
17116 (find_cond_trap): Likewise.
17117 (check_cond_move_block): Require simple jump insns at the end
17118 of the basic block.
17120 2007-01-11 Jan Hubicka <jh@suse.cz>
17122 PR tree-optimization/1046
17123 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
17124 when alias info is not ready.
17125 (pass_tail_recursion): Do not require aliasing.
17126 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
17127 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
17128 * tree-ssa-copy.c (pass_copy_prop): Likewise.
17129 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
17130 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
17131 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
17132 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
17134 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
17135 When aliasing is not build, mark statement as volatile.
17137 2007-01-11 Tom Tromey <tromey@redhat.com>
17139 PR preprocessor/15185, PR preprocessor/20989:
17140 * doc/cppopts.texi <-MT>: Update description of algorithm for
17141 computing default target.
17142 <-M, -MD>: Reword "basename" text.
17144 2007-01-11 Roger Sayle <roger@eyesopen.com>
17146 * builtins.c (expand_builtin_pow, expand_builtin_powi,
17147 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
17148 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
17149 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
17150 fold_builtin_bswap, real_constp, fold_builtin_pow,
17151 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
17152 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
17153 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17154 * convert.c (convert_to_pointer): Likewise.
17155 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
17156 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
17157 const_binop, fold_convert_const_int_from_int,
17158 fold_convert_const_int_from_real,
17159 fold_convert_const_real_from_real, sign_bit_p,
17160 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
17161 fold_sign_changed_comparison, fold_unary, fold_comparison,
17162 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
17163 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
17164 * print-tree.c (print_node_brief, print_node): Likewise.
17165 * stor-layout.c (place_field, layout_type): Likewise.
17166 * tree-chrec.c (keep_cast): Likewise.
17167 * tree.c (build_vector, build_real, build_real_from_int_cst,
17168 build_complex): Likewise.
17170 2007-01-11 Roger Sayle <roger@eyesopen.com>
17172 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
17173 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
17175 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
17177 * configure.ac (strict1_warn): Rename to strict_warn.
17178 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
17179 cc_set_by_configure, quoted_cc_set_by_configure,
17180 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
17181 all_boot_languages, all_stagestuff): Remove.
17182 (target_list): Remove bootstrap targets.
17183 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
17184 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
17185 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
17186 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
17187 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
17188 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
17189 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
17190 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
17191 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
17192 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
17193 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
17194 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
17195 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
17196 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
17197 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
17198 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
17199 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
17200 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
17201 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
17202 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
17203 (mostlyclean): Adjust.
17204 (clean, distclean): Don't mention bootstrap stuff.
17205 * configure: Regenerate.
17206 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
17207 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
17208 treelang/config-lang.in (stagestuff): Remove.
17209 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
17210 stageprofile, stagefeedback, stagestuff): Remove mention.
17212 2007-01-11 Nick Clifton <nickc@redhat.com>
17214 * config/mcore/predicates.md (mcore_general_movesrc_operand):
17216 (mcore_general_movdst_operand): Do not accept CONST_INTs.
17217 (mcore_arith_K_S_operand): Run the test for the S constraint not
17218 the test for the M constraint.
17219 (mcore_addsub_operand): Do not accept integer values that are
17220 larger than 32 bits.
17221 * config/mcore/mcore.md: Remove unused constraints from split.
17222 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
17223 (addsi3): Likewise.
17224 (allocate_stack): Likewise.
17225 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
17226 operands to 32 bits.
17227 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
17229 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
17230 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
17231 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
17232 mcore_output_bclri, mcore_output_andn, output_inline_const,
17233 mcore_output_move, mcore_output_movedouble): Likewise.
17234 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
17235 (output_inline_const): Likewise.
17236 (output_inline_const): Fix format strings used in sprintf
17238 * config/mcore/mcore-protos.h: Update prototypes for changed
17239 functions in mcore.c.
17240 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
17241 HOST_WIDE_INT and not int.
17242 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
17243 CONST_OK_FOR_N): Likewise.
17244 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
17245 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
17248 2007-01-10 Jan Hubicka <jh@suse.cz>
17250 * tree-vrp.c (remove_range_assertions): Release defs.
17251 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
17252 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
17254 2007-01-10 Paul Brook <paul@codesourcery.com>
17256 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
17257 * config/arm/arm.md (mulsi3subsi): New insn.
17259 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
17261 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
17262 (tree_transform_and_unroll_loop): New.
17263 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
17266 2007-01-10 Robert Kennedy <jimbob@google.com>
17268 * fold-const.c (fold_comparison): Fold comparisons like (x *
17269 1000 < 0) to (x < 0).
17271 2007-01-10 Ian Lance Taylor <iant@google.com>
17273 * tree-pretty-print.c (dump_generic_node): Print parentheses when
17274 operands have the same priority.
17276 2007-01-10 Tom Tromey <tromey@redhat.com>
17278 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
17279 (fold_binary): Likewise.
17280 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
17281 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
17282 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
17283 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
17284 * langhooks.h (struct lang_hooks): Removed field
17285 'can_use_bit_fields_p'.
17287 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
17289 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
17291 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
17293 * function.c (get_last_funcdef_no): New function.
17294 * function.h (get_last_funcdef_no): Declare.
17295 * tree-inline.c (initialize_cfun): Add initialization.
17296 (tree_function_versioning): Cleanup.
17298 2007-01-10 Jan Hubicka <jh@suse.cz>
17300 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
17303 2007-01-10 Sa Liu <saliu@de.ibm.com>
17304 Ben Elliston <bje@au.ibm.com>
17306 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
17307 for SAVE_NONLOCAL and Pmode for any other save level.
17308 * spu-protos.h (spu_restore_stack_block): Declare.
17309 * spu.md (save_stack_block): Remove.
17310 (restore_stack_block): Call spu_restore_stack_block.
17311 * spu.c (spu_restore_stack_block): New function.
17312 (spu_expand_epilogue): Remove old comment.
17314 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
17316 PR tree-optimization/30322
17317 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
17318 (cand_value_at): Return the value as aff_tree.
17319 (may_eliminate_iv): Convert the bound from aff_tree to tree.
17320 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
17321 aff_combination_mult): New functions.
17322 (aff_combination_add): Use aff_combination_add_cst.
17323 (aff_combination_convert): Allow conversions to a wider type.
17324 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
17325 * tree-affine.h (aff_combination_mult): Declare.
17327 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
17329 * doc/tm.texi: Update documentation to reflect reality of exec
17330 and start file search behaviours. Update copyright year.
17331 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
17332 header file directories.
17334 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
17336 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
17337 (*cosxf2): Rename to cosxf2_i387.
17338 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
17339 using X87MODEF12 mode macro. Rename patterns to
17340 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
17342 (*cosdf2, *cossf2): Ditto.
17343 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
17344 to match extended input operands.
17345 (sincos<mode>3): New expander.
17346 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
17347 insn patterns and corresponding splitters.
17349 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
17351 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
17352 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
17354 2007-01-09 Nicolas Pitre <nico@cam.org>
17357 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
17359 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17361 * target.h (struct gcc_target): New field library_rtti_comdat.
17362 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
17363 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
17364 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
17365 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
17367 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17369 * doc/invoke.texi (Optimize Options): Correct description of -O0.
17371 2007-01-08 Richard Guenther <rguenther@suse.de>
17373 * tree.h (force_fit_type_double): Export.
17374 (force_fit_type): Remove.
17375 * fold-const.c (force_fit_type_double): New function.
17376 (force_fit_type): Remove.
17377 (int_const_binop): Use it.
17378 (fold_convert_const_int_from_int): Likewise.
17379 (fold_convert_const_int_from_real): Likewise.
17380 (fold_div_compare): Likewise.
17381 (fold_sign_changed_comparison): Likewise.
17382 (fold_unary): Likewise.
17383 (fold_negate_const): Likewise.
17384 (fold_abs_const): Likewise.
17385 (fold_not_const): Likewise.
17386 * c-common.c (shorten_compare): Use force_fit_type_double.
17387 * convert.c (convert_to_pointer): Likewise.
17389 2007-01-08 Richard Guenther <rguenther@suse.de>
17391 * tree.h (build_int_cst_wide_type): Export.
17392 * tree.c (build_int_cst_wide_type): New function.
17393 (build_int_cst_wide): Fix comment.
17394 * builtins.c (fold_builtin_object_size): Use build_int_cst
17395 to build -1 or 0 of the correct type. Use fit_double_type
17396 to check for overflow.
17397 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
17399 (decode_field_reference): Likewise.
17400 (all_ones_mask_p): Likewise.
17401 (native_interpret_int): Use build_int_cst_wide_type.
17402 (fold_binary): Use build_int_cst_type to build an all-ones
17404 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
17406 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
17408 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
17410 2007-01-09 Ben Elliston <bje@au.ibm.com>
17412 * genautomata.c (STATS_OPTION): New option.
17413 (stats_flag): New flag.
17414 (gen_automata_option): Handle it.
17415 (initiate_automaton_gen): Ditto.
17416 (write_automata): Output statistics only if stats_flag is
17417 set. Likewise, output time statistics only if time_flag is set.
17418 * doc/md.texi (Processor pipeline description): Document new flag.
17420 2007-01-08 Richard Guenther <rguenther@suse.de>
17422 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
17423 * tree.c (build_int_cst_type): Likewise.
17424 (size_in_bytes): Don't call force_fit_type on the result.
17425 (int_fits_type_p): Use fit_double_type.
17426 * fold-const.c (fit_double_type): New function.
17427 (force_fit_type): Use it.
17428 * tree.h (fit_double_type): Export.
17430 2007-01-08 Jan Hubicka <jh@suse.cz>
17432 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
17433 * ipa.c (function_and_variable_visibility): Fix return type.
17435 2007-01-08 Richard Guenther <rguenther@suse.de>
17437 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
17438 of offset to build the index.
17439 * tree-pretty-print.c (dump_generic_node): Don't build negated
17440 const just for printing.
17441 * c-pretty-print.c (pp_c_integer_constant): Likewise.
17442 * builtins.c (fold_builtin_int_roundingfn): Check if result
17443 fits the type by using force_fit_type and comparing the result.
17444 * predict.c (predict_loops): Use compare_tree_int for comparison.
17445 * tree.c (build_int_cst): Fall back to integer_type_node for
17447 (build_int_cst_wide): Assert type is non-null.
17449 2007-01-08 Roberto Costa <roberto.costa@st.com>
17451 * tree-vrp.c (extract_range_from_cond_expr): New.
17452 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
17453 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
17455 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
17456 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
17457 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
17458 used as expressions.
17459 * tree-object-size.c (cond_expr_object_size): New.
17460 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
17462 2007-01-08 Jan Hubicka <jh@suse.cz>
17464 * tree-ssa-forwprop.c (forward_propagate_into_cond,
17465 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
17468 2007-01-08 Richard Guenther <rguenther@suse.de>
17470 PR tree-optimization/23603
17471 * tree-vrp.c (set_value_range_to_truthvalue): New function.
17472 (extract_range_from_binary): Fall back to truthvalue instead of
17473 varying for TRUTH_*_EXPR.
17474 (extract_range_from_comparison): Fall back to truthvalue instead of
17476 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
17477 if all visited PHI values were constant.
17479 2007-01-08 Jan Hubicka <jh@suse.cz>
17481 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
17482 (cgraph_analyze_function): break out from ...
17483 (cgraph_finalize_compilation_unit): ... here.
17484 (cgraph_expand_function): Remove forgoten commented out line.
17485 (cgraph_optimize): Analyze functions.
17487 2007-01-08 Jan Hubicka <jh@suse.cz>
17489 * tree-pas.h (TODO_remove_function): New flag.
17490 (TODO_update*): Renumber.
17491 (pass_ipa_increase_alignment,
17492 pass_ipa_function_and_variable_visibility): New passes.
17493 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
17494 (cgraph_function_and_variable_visibility): Move to ipa.c
17495 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
17496 cgraph_increase_alignment.
17497 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
17498 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
17499 calling tree-inline.
17500 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
17501 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
17502 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
17503 (gate_increase_alignment): New function.
17504 (pass_ipa_increase_alignment): New pass.
17505 * ipa.c: Inline tree-pass.h and timevar.h
17506 (function_and_variable_visibility): Move here from cgraphunit.c
17507 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
17508 * passes.c (init_optimization_passes): Add the two new passes.
17509 (execute_todo): Handle cgraph_remove_functions.
17511 2007-01-08 Nick Clifton <nickc@redhat.com>
17513 * config/frv/predicates.md (reg_or_0_operand): Accept
17516 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
17518 * config/bfin/rtems.h, config/bfin/t-rtems: New.
17519 * config.gcc: Add bfin*-rtems*.
17521 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17523 * c.opt: Add -flax-vector-conversions.
17524 * c-typeck.c (convert_for_assignment): Pass flag to
17525 vector_types_convertible_p to allow emission of note.
17526 (digest_init): Likewise.
17527 * c-opts.c: Handle -flax-vector-conversions.
17528 * c-common.c (flag_lax_vector_conversions): New.
17529 (vector_types_convertible_p): Unless -flax-vector conversions
17530 has been passed, disallow conversions between vectors with
17531 differing numbers of subparts and/or element types. If such
17532 a conversion is disallowed, possibly emit a note on the first
17533 occasion only to inform the user of -flax-vector-conversions.
17534 The new last argument specifies this.
17535 * c-common.h (flag_lax_vector_conversions): New.
17536 (vector_types_convertible_p): Add extra argument.
17537 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
17538 char_type_node for V*QI type vectors.
17539 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
17540 Update to satisfy new typechecking rules.
17541 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
17542 C and C++ variants.
17543 * doc/invoke.texi (C Dialect Options): Document
17544 -flax-vector-conversions.
17546 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17548 PR tree-optimization/29877
17549 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
17550 a register variable on the RHS to not be replaceable.
17552 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
17553 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
17554 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
17555 const_simm15, const_pow2, const_npow2): Added.
17556 * config/score/misc.md (insv, extv, extzv, movmemsi,
17557 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
17558 * config/score/score.c (score_address_cost, score_select_cc_mode):
17560 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
17561 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
17562 Update score_print_operand.
17563 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
17564 Adjust register allocate order and update some macro define.
17565 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
17566 mdx_block_move_straight, mdx_block_move_loop_head,
17567 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
17568 mdx_block_move): Added.
17569 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
17570 mdp_limm): Updated and fix some bug and typo.
17571 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
17572 (movsf, movdf, doloop_end): Added.
17574 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
17576 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
17577 config/arm/thumb2.md: Fix comment typos.
17578 * doc/extend.texi: Fix a typo.
17580 2007-01-07 Eric Christopher <echristo@apple.com>
17582 * configure.ac: Check for __stack_chk_fail for darwin.
17583 * configure: Regenerate.
17585 2007-01-07 Richard Guenther <rguenther@suse.de>
17587 * tree-vrp.c (extract_range_from_assert): CSE calls to
17588 compare_values where possible.
17589 (extract_range_from_unary_expr): Likewise.
17591 2007-01-07 Anatoly Sokolov <aesok@post.ru>
17593 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
17594 * config/avr/avr.c (call_insn_operand): Delete function.
17595 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
17596 instead of register number. Use predicates.
17597 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
17598 call_insn_operand): Add.
17600 2007-01-06 Jan Hubicka <jh@suse.cz>
17602 * tree-pass.h (pass_build_cgraph_edges): Declare.
17603 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
17604 (visited_nodes): Remove.
17605 (cgraph_create_edges): Move to cgraphbuild.c; rename to
17606 build_cgrpah_edges; make visited_nodes local.
17607 (cgraph_process_new_functions): DO not call initialize_inline_failed.
17608 (record_references_in_initializer): Move to cgraphbuild.c
17609 (initialize_inline_failed, rebuild_cgraph_edges,
17610 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
17611 (verify_cgraph_node): Make visited_nodes local.
17612 (cgraph_analyze_function): Do not call cgraph_create_edges and
17613 initialize_inline_failed.
17614 (cgraph_expand_function): Do not call cgraph_lower_function;
17615 assert that function is already lowered.
17616 * Makefile.in (cgraphbuild.o): New.
17617 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
17618 at the end of lowering passes.
17620 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
17622 * ifcvt.c (cond_move_convert_if_block): New function, code
17623 factored out from...
17624 (cond_move_process_if_block): ...here. Call the new function
17625 on the THEN and ELSE blocks.
17626 (merge_if_block): Do not copy global_live_at_end, merge_blocks
17627 already takes care of this.
17629 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17632 * tree.h (TREE_OVERFLOW_P): New.
17633 * c-typeck.c (parser_build_unary_op): Warn only if result
17634 overflowed and operands did not.
17635 (parser_build_binary_op): Likewise.
17636 (convert_for_assignment): Remove redundant overflow_warning.
17637 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
17639 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17641 * c-typeck.c (store_init_value): Split over two lines to follow
17642 the GNU coding style.
17644 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
17646 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
17647 __GXX_EXPERIMENTAL_CXX0X__.
17648 * doc/cpp.texi: Same.
17650 2007-01-05 Richard Guenther <rguenther@suse.de>
17652 PR middle-end/27826
17653 * tree.c (get_narrower): Do not construct COMPONENT_REFs
17654 with mismatched types. Instead explicitly build a
17655 conversion NOP_EXPR.
17657 2007-01-05 Ian Lance Taylor <iant@google.com>
17659 * c-common.c (decl_with_nonnull_addr_p): New function.
17660 (c_common_truthvalue_conversion): Call it.
17661 * c-typeck.c (build_binary_op): Likewise.
17662 * c-common.h (decl_with_nonnull_addr_p): Declare.
17664 2007-01-05 Jakub Jelinek <jakub@redhat.com>
17667 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
17670 2007-01-05 Joel Brobecker <brobecker@adacore.com>
17672 * doc/install.texi (Final install): Document the fact that
17673 the GNAT runtime should not be stripped.
17675 2007-01-04 Jan Hubicka <jh@suse.cz>
17677 * tree-inline.c (fold_marked_statements): Update operand caches
17678 and EH after folding
17680 2007-01-04 Ian Lance Taylor <iant@google.com>
17682 * c-common.c (check_function_nonnull): Whitespace fix.
17684 2007-01-04 Jan Hubicka <jh@suse.cz>
17686 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
17687 comitted older version of patch.
17688 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
17689 function, celanup cfg and collect garbage.
17691 2007-01-04 Mike Stump <mrs@apple.com>
17693 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
17696 2007-01-04 Eric Christopher <echristo@apple.com>
17698 * libgcc2.c (__bswapsi2): Use SItype.
17699 (__bswapdi2): Use DItype.
17700 * libgcc2.h: Update for above.
17702 2007-01-04 Paul Brook <paul@codesourcery.com>
17704 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
17705 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
17706 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
17707 umulsidi3, umulsidi3adddi, smulsi3_highpart,
17708 umulsi3_highpart): Make conditional on !arm_arch6.
17709 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
17710 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
17711 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
17712 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
17713 umulsi3_highpart_v6): New insns.
17715 2007-01-04 Roger Sayle <roger@eyesopen.com>
17717 * fold-const.c (fold_convert): When casting an expression to void,
17718 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
17719 have a type. Instead of attempting to build a NOP_EXPR, return
17720 these "special" trees directly.
17722 2007-01-04 Joseph Myers <joseph@codesourcery.com>
17724 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
17725 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
17726 rs6000_cost->fp not 0 as adjustment for outer NEG.
17728 2007-01-04 Jan Hubicka <jh@suse.cz>
17730 * cgraph.c (cgraph_release_function_body): New function.
17731 (cgraph_remove_node): Use it.
17732 * cgraph.h (cgraph_release_function_body): Declare.
17733 * cgraphunit.c (cgraph_expand_function): Use it.
17734 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
17735 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
17736 is initialized and while compilation of other function is running.
17737 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
17738 statement CFG annotations from here to ...
17739 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
17741 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
17743 * cfgloop.h (enum li_flags): Make the constants powers of two.
17745 2007-01-04 Jan Hubicka <jh@suse.cz>
17747 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
17749 (fold_marked_statements): New function.
17750 (optimize_inline_calls, tree_function_versioning): Fold new statements.
17751 * tree-inline.h (copy_body_data): Add statements_to_fold.
17753 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
17755 * config.gcc: Mention libgcc/config.host.
17756 * Makefile.in: Update comments mentioning libgcc.
17757 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
17758 (all.cross, start.encap, rest.encap, rest.cross): Update
17759 dependencies for libgcc move.
17760 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
17761 (clean-target, clean-target-libgcc): Delete.
17762 (srcdirify, GCC_EXTRA_PARTS): New macros.
17763 (libgcc-support, libgcc.mvars): New rules.
17764 (distclean): Remove mention of mklibgcc.
17765 (install): Don't reference INSTALL_LIBGCC.
17766 (install-common): Don't reference EXTRA_PARTS.
17767 (install-libgcc, install-multilib): Delete rules.
17768 * mklibgcc.in: Delete file.
17769 * doc/configfiles.texi: Don't mention mklibgcc.
17771 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
17772 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
17773 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
17774 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
17775 (mklibgcc, ldblspecs): Likewise.
17777 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
17778 (posixpre.def): Use $(T).
17779 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
17780 (SHLIB_SRC, SHLIB_INSTALL): Delete.
17781 (SHLIB_LINK): Make dummy.
17782 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
17784 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
17786 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
17787 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
17788 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
17789 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
17791 * configure.ac (all_outputs): Remove mklibgcc.
17792 * configure: Regenerated.
17794 2007-01-03 Josh Conner <jconner@apple.com>
17796 PR middle-end/29683
17797 * calls.c (compute_argument_addresses): Set stack and stack_slot
17798 for partial args, too.
17799 (store_one_arg): Use locate.size.constant for the size when
17800 generating a save_area.
17802 2007-01-03 Robert Kennedy <jimbob@google.com>
17804 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
17805 whose definitions are deleted due to basic block merging.
17807 2007-01-03 Paul Brook <paul@codesourcery.com>
17810 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
17812 (use_return_insn): Return 0 for Thumb interrupt functions.
17813 (print_multi_reg): Add rfe argument for IRQ returns.
17814 (arm_output_epilogue): Pop interrupt return address directly into PC.
17815 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
17817 2007-01-03 Paul Brook <paul@codesourcery.com>
17819 Merge from sourcerygxx-4_1.
17820 * config/arm/thumb2.md: New file.
17821 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
17823 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
17824 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17825 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
17826 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
17828 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17829 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
17831 * config/arm/ieee754-sf.S: Ditto.
17832 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
17833 (thumb1_base_register_rtx_p): ... to this.
17834 (thumb_index_register_rtx_p): Rename...
17835 (thumb1_index_register_rtx_p): ... to this.
17836 (thumb_output_function_prologue): Rename...
17837 (thumb1_output_function_prologue): ... to this.
17838 (thumb_legitimate_address_p): Rename...
17839 (thumb1_legitimate_address_p): ... to this.
17840 (thumb_rtx_costs): Rename...
17841 (thumb1_rtx_costs): ... to this.
17842 (thumb_compute_save_reg_mask): Rename...
17843 (thumb1_compute_save_reg_mask): ... to this.
17844 (thumb_final_prescan_insn): Rename...
17845 (thumb1_final_prescan_insn): ... to this.
17846 (thumb_expand_epilogue): Rename...
17847 (thumb1_expand_epilogue): ... to this.
17848 (arm_unwind_emit_stm): Rename...
17849 (arm_unwind_emit_sequence): ... to this.
17850 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
17851 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
17852 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
17853 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
17854 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
17855 thumb2_output_casesi): New functions.
17856 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
17857 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
17858 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
17859 THUMB2_WORK_REGS): Define.
17860 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
17861 arm_condexec_mask, arm_condexec_masklen)): New variables.
17862 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
17863 (arm_override_options): Check new CPU capabilities.
17864 Set new architecture flag variables.
17865 (arm_isr_value): Handle v7m interrupt functions.
17866 (user_return_insn): Return 0 for v7m interrupt functions. Handle
17868 (const_ok_for_arm): Handle Thumb-2 constants.
17869 (arm_gen_constant): Ditto. Use movw when available.
17870 (arm_function_ok_for_sibcall): Return false for v7m interrupt
17872 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
17873 (thumb_find_work_register, arm_load_pic_register,
17874 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
17875 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
17876 print_multi_reg, output_mov_long_double_fpa_from_arm,
17877 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
17878 output_mov_double_fpa_from_arm, output_move_double,
17879 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
17880 output_return_instruction, arm_output_function_prologue,
17881 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
17882 arm_output_mi_thunk, thumb_set_return_address): Ditto.
17883 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
17884 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
17885 (arithmetic_instr, shift_op): Use arm_shift_nmem.
17886 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
17888 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
17889 (thumb_expand_prologue): Use thumb_set_frame_pointer.
17890 (arm_file_start): Output directive for unified syntax.
17891 (arm_unwind_emit_set): Handle stack alignment instruction.
17892 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
17893 Add v6t2, v7, v7a, v7r and v7m.
17894 (RETLDM): Add Thumb-2 code.
17895 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
17896 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
17897 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
17898 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
17899 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
17900 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
17901 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
17902 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
17903 ADJUST_INSN_LENGTH): Define.
17904 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
17905 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
17906 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
17907 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
17908 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
17909 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
17910 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
17911 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
17912 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
17913 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
17914 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
17915 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
17916 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
17917 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
17918 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
17919 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
17920 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
17922 * config/arm/arm-tune.md: Regenerate.
17923 * config/arm/arm-protos.h: Update prototypes.
17924 * config/arm/vfp.md: Enable patterns for Thumb-2.
17925 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
17926 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
17927 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
17928 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
17929 * config/arm/libunwind.S: Add Thumb-2 code.
17930 * config/arm/constraints.md: Update include Thumb-2.
17931 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
17932 * config/arm/ieee754-df.S: Ditto.
17933 * config/arm/bpabi.S: Ditto.
17934 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
17935 * config/arm/predicates.md (low_register_operand,
17936 low_reg_or_int_operand, thumb_16bit_operator): New.
17937 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
17938 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
17939 * config/arm/t-arm-elf: Add armv7 multilib.
17940 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
17942 (UNSPEC_STACK_ALIGN, ce_count): New.
17943 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
17944 arm_zero_extendsidi2, arm_zero_extendqidi2): New
17946 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
17947 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
17948 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
17949 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
17950 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
17951 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
17953 * doc/extend.texi: Document ARMv7-M interrupt functions.
17954 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
17956 2007-01-03 Jakub Jelinek <jakub@redhat.com>
17958 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
17959 (struct _Unwind_Context): Rename args_size to flags, remove
17960 signal_frame field, add a new args_size field and version field.
17961 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
17962 _Unwind_IsExtendedContext): New inline functions.
17963 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17964 Assume by_value array is only present if _Unwind_IsExtendedContext.
17965 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
17966 _Unwind_IsSignalFrame.
17967 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
17968 (uw_update_context_1): Use _Unwind_SetSignalFrame.
17969 (uw_init_context_1): Initialize context->flags to
17970 EXTENDED_CONTEXT_BIT.
17971 * config/rs6000/linux-unwind.h (frob_update_context): Use
17972 _Unwind_SetSignalFrame.
17974 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
17976 PR middle-end/30353
17977 * gimplify.c (gimplify_modify_expr_complex_part): Move below
17978 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
17981 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
17983 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
17984 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
17985 RET, AT_SP): Remove.
17986 * config/i386/i386.md (*sse_prologue_save_insn): Use return
17989 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
17990 * cfgbuild.c (find_basic_blocks): Likewise.
17991 * cfgrtl.c (rtl_create_basic_block): Likewise.
17992 * function.c (temp_slots_at_level): Likewise.
17993 * reg-stack.c (stack_regs_mentioned): Likewise.
17994 * regclass.c (allocate_reg_info): Likewise.
17995 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
17996 set_bb_for_stmt, move_block_to_fn): Likewise.
17997 * tree-complex.c (tree_lower_complex): Likewise.
17998 * vec.h (VEC_safe_grow_cleared): New.
18000 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
18002 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
18004 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
18005 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
18007 * cfgloopmanip.c (scale_loop_frequencies): Export.
18008 (loopify): Scale the frequencies by prescribed coefficients.
18009 (set_zero_probability): New function.
18010 (duplicate_loop_to_header_edge): Improve updating of frequencies.
18011 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
18012 and frequencies according to arguments.
18013 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
18015 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
18016 * modulo-sched.c (sms_schedule): Set probabilities for entering
18017 versioned loop correctly.
18018 * tree-vect-transform.c (vect_transform_loop): Ditto.
18019 * cfgloop.h (loopify, loop_version): Declaration changed.
18020 (scale_loop_frequencies): Declared.
18022 2007-01-02 Jan Hubicka <jh@suse.cz>
18024 * cgraph.c: Include tree-flow.h
18025 (cgraph_add_new-function): Handle IPA_SSA mode; execute
18026 early_local_passes.
18027 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
18028 * tree-pass.h (pass_all_early_optimizations): Declare.
18029 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
18030 early_local_passes.
18031 (cgraph_analyze_function): Do early_local_passes.
18032 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18033 Do not add referenced vars.
18034 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
18036 (gate_all_early_local_passes): New gate.
18037 (pass_early_local_passes): Use new gate.
18038 (execute_early_local_optimizations): New functions.
18039 (gate_all_early_optimizations): New gate.
18040 (pass_all_early_optimizations): New pass.
18041 (execute_free_datastructures): Free SSA only when initialized.
18042 (gate_init_datastructures): Init only when optimizing.
18043 (tree_lowering_passes): Do early local passes when called late.
18044 * tree-profile.c (do_tree_profiling): Don't profile functions added
18046 (do_early_tree_profiling, pass_early_tree_profile): Kill.
18047 * tree-cfg.c (update_modified_stmts): Do not update when operands are
18049 * passes.c (init_optimizations_passes): Reorder so we go into SSA
18050 during early_local_passes.
18051 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
18054 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18056 * Makefile.in: Update copyright year.
18058 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18060 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
18061 in $(lang_checks) and check-consistency targets.
18063 2007-01-02 Jan Hubicka <jh@suse.cz>
18065 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18066 Do not add referenced vars.
18067 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
18069 * passes.c (init_optimization_passes): Put mudflap_2 after
18070 free_datastructures.
18072 2007-01-02 Jan Hubicka <jh@suse.cz>
18074 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
18075 Set NOTHROW flag on call statements proved to be nothrow.
18076 Update statement of local calls so new pure/const functions are
18077 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
18079 (tree_rest_of_compilation): Register hooks and initialize bitmap
18080 early. Do not set after_inlining flag.
18082 2007-01-02 Steve Ellcey <sje@cup.hp.com>
18084 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
18085 HOST_BITS_PER_LONGLONG
18087 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18090 * c-typeck.c (store_init_value): Don't emit pedantic overflow
18091 warning for non-static initializers.
18093 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
18095 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
18096 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
18097 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
18098 Always use set_unique_reg_note to add REG_EQUAL notes.
18100 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18103 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18105 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18106 * cfgbuild.c (find_basic_blocks): Likewise.
18107 * cfgrtl.c (rtl_create_basic_block): Likewise.
18108 * function.c (temp_slots_at_level): Likewise.
18109 * reg-stack.c (stack_regs_mentioned): Likewise.
18110 * regclass.c (allocate_reg_info): Likewise.
18111 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18112 set_bb_for_stmt, move_block_to_fn): Likewise.
18113 * tree-complex.c (tree_lower_complex): Likewise.
18114 * vec.h (VEC_safe_grow_cleared): New.
18116 2007-01-02 Ian Lance Taylor <iant@google.com>
18118 * c-common.c (c_common_truthvalue_conversion): When warning about
18119 using an assignment as a truth value, set TREE_NO_WARNING.
18121 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18124 * c.opt (Wold-style-declaration): New.
18125 * doc/invoke.texi (C-only Warning Options): New.
18126 (Wold-style-declaration): Document it.
18127 (Wextra): Enabled by -Wextra.
18128 * c-opts.c (c_common_post_options): Enabled by -Wextra.
18129 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
18130 -Wold-style-declaration.
18132 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18134 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18135 * cfgbuild.c (find_basic_blocks): Likewise.
18136 * cfgrtl.c (rtl_create_basic_block): Likewise.
18137 * function.c (temp_slots_at_level): Likewise.
18138 * reg-stack.c (stack_regs_mentioned): Likewise.
18139 * regclass.c (allocate_reg_info): Likewise.
18140 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18141 set_bb_for_stmt, move_block_to_fn): Likewise.
18142 * tree-complex.c (tree_lower_complex): Likewise.
18143 * vec.h (VEC_safe_grow_cleared): New.
18145 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
18147 * c-common.c (c_common_nodes_and_builtins): Since variants of
18148 void_type_node get built before it is given a name, we need to
18149 give those variants the name, too.
18150 (complete_array_type): We need to work with the canonical main
18151 type of the array, from which we will build the qualified version.
18152 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
18153 * print-tree.c (print_node): Display canonical type information
18155 * stor-layout.c (layout_type): When we don't know the
18156 alignment of a type for which we're building an array, we end up
18157 guessing wrong, so make the type require structural equality.
18158 * tree.c (make_node_stat): When we build a new type, it is its
18159 own canonical type.
18160 (build_type_attribute_qual_variant): When building an attribute
18161 variant, its canonical type is the non-attribute variant. However,
18162 if the attributes are target-dependent and they differ, we need to
18163 use structural equality checks for this type.
18164 (build_qualified_type): A qualified type is not equivalent to its
18165 unqualified variant; set the canonical type appropriately.
18166 (build_distinct_type_copy): When building a distinct type from
18167 another type, the new type is its own canonical type.
18168 (build_variant_type_copy): When building a new type variant, we
18169 assume that it is equivalent to the original type.
18170 (build_pointer_type_for_mode): When building a pointer type, also
18171 build a canonical type pointer.
18172 (build_reference_type_for_mode): When building a reference type,
18173 also build a canonical type reference.
18174 (build_index_type): When we can't hash an index type (e.g.,
18175 because its maximum value is negative), the index type requires
18176 structural equality tests.
18177 (build_array_type): Build the canonical form of an array type.
18178 (build_function_type): Function types require structural equality,
18179 because they contain default arguments, attributes, etc.
18180 (build_method_type_directly): Ditto for method types.
18181 (build_offset_type): Build the canonical offset type.
18182 (build_complex_type): Build the canonical vector type.
18183 (make_vector_type): Build the canonical vector type.
18184 * tree.h (TYPE_CANONICAL): New.
18185 (TYPE_STRUCTURAL_EQUALITY_P): New.
18186 (SET_TYPE_STRUCTURAL_EQUALITY): New.
18187 (struct tree_type): Added "canonical" field.
18188 * params.h (VERIFY_CANONICAL_TYPES): New.
18189 * doc/c-tree.texi (TYPE_CANONICAL): Document.
18190 (TYPE_STRUCTURAL_EQUALITY_P): Document.
18191 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
18192 * doc/invoke.texi (verify-canonical-types): Document --param
18193 parameter for verifying canonical types.
18195 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18197 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
18198 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
18199 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
18200 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
18202 * config/rs6000/e500.h: New.
18203 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
18204 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
18206 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
18207 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
18208 TARGET_E500_DOUBLE): Remove.
18209 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
18210 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
18211 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
18212 * config/rs6000/rs6000.c (rs6000_override_options): Use
18213 CHECK_E500_OPTIONS.
18215 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18217 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
18218 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
18219 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
18220 rs6000_emit_cmove): Don't check TARGET_E500.
18221 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
18222 sordered): Don't check TARGET_E500.
18224 2007-01-01 Eric Christopher <echristo@apple.com>
18226 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
18227 HARD_REGISTER_NUM_P.
18229 2007-01-01 Roger Sayle <roger@eyesopen.com>
18231 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
18232 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
18233 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
18236 2007-01-01 Mike Stump <mrs@apple.com>
18238 * configure.ac: Remove support for building with Apple's gcc-3.1.
18240 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18242 PR middle-end/30311
18243 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
18244 REG is a hard register. Do not modify REG before calling
18246 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
18247 multiple of the size of YMODE for certain lowpart cases.
18249 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18251 PR middle-end/30253
18252 * gimplify (voidify_wrapper_expr): Update for
18253 GIMPLE_MODIFY_STMT.
18255 2007-01-01 Andreas Schwab <schwab@suse.de>
18258 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
18259 save of BR0 in extra_spill_size instead of spill_size.
18260 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
18262 (ia64_expand_epilogue): Restore BR0 from its new location.
18264 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18266 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
18267 Use a temporary variable if the left hand side is not a gimple
18270 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18272 * gimplify.c (gimplify_return_expr): Make the temporary variable
18273 for the return expression, a gimple register variable.
18275 2007-01-01 Jan Hubicka <jh@suse.cz>
18277 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
18280 2007-01-01 Mike Stump <mrs@apple.com>
18282 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
18284 * config/darwin.c (machopic_select_rtx_section): Use
18285 HAVE_GAS_LITERAL16.
18286 (darwin_mergeable_constant_section): Likewise.
18287 * configure: Regenerate.
18288 * config.in: Regenerate.
18290 2007-01-01 Jan Hubicka <jh@suse.cz>
18291 Andrew Pinski <pinskia@gmail.com>
18293 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
18294 before starting IPA passes.