1 2007-07-06 Richard Sandiford <richard@codesourcery.com>
3 * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
4 (prefetch): Likewise if "pref" would be used.
6 2007-07-06 Josh Conner <jconner@apple.com>
10 * calls.c (store_one_arg): Handle arguments which are partially
11 on the stack when detecting argument overlap.
13 2007-07-06 Bernd Schmidt <bernd.schmidt@analog.com>
15 * reload1.c (choose_reload_regs): Set reload_spill_index for regs
16 chosen during find_reloads.
18 2007-07-06 Richard Guenther <rguenther@suse.de>
20 * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
21 TYPE_ARG_TYPES for verification of argument types. Use
22 DECL_ARG_TYPE instead of the PARM_DECL type. Take excess
23 parameters as variable arguments.
25 2007-07-06 Andreas Krebbel <krebbel1@de.ibm.com>
27 * libgcc2.h (word_type): Type definition removed.
28 (cmp_return_type, shift_count_type): Type definitions added.
29 (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
30 replaced with shift_count_type.
31 (__cmpdi2, __ucmpdi2): word_type of return type replaced with
33 * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
34 changed from word_type to Wtype.
35 (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
36 replaced with shift_count_type.
37 (__cmpdi2, __ucmpdi2): word_type of return type replaced with
39 * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return and
40 libgcc_shift_count attribute added.
41 * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
42 TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
43 (TARGET_INITIALIZER): New target hooks added.
44 * targhooks.c (default_libgcc_cmp_return_mode,
45 default_libgcc_shift_count_mode): Default implementations for the new
47 * targhooks.h (default_libgcc_cmp_return_mode,
48 default_libgcc_shift_count_mode): Function prototypes added.
49 * target.h (struct gcc_target): Fields for the new target hooks added.
50 * optabs.c (expand_binop): Use shift_count_mode when expanding shift
52 (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
55 * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
56 TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
58 * config/s390/s390.c (s390_libgcc_cmp_return_mode,
59 s390_libgcc_shift_count_mode): Functions added.
60 (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE): Target
63 2007-07-06 Richard Sandiford <richard@codesourcery.com>
65 * config/mips/mips.c (compute_frame_size): Restore the original
66 gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
67 fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
68 Document why the difference is needed.
70 2007-07-06 Richard Guenther <rguenther@suse.de>
72 * c-common.c (boolean_increment): Use correctly typed
75 2007-07-06 Richard Sandiford <richard@codesourcery.com>
77 * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
78 the topmost argument register is not also included in the save mask.
79 (mips16e_collect_argument_save_p): Take a pointer to the argument
80 register, rather than a pointer to the number of arguments.
81 (mips16e_collect_argument_saves): Only include argument saves
82 that aren't in the register mask.
84 2007-07-06 Uros Bizjak <ubizjak@gmail.com>
86 PR rtl_optimization/32450
87 * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
88 to ensure that instructions are not moved into the prologue when
89 profiling is on. Remove unused prologue_end variable.
90 (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
91 as a scheduling barrier.
93 2007-07-06 Alexandre Oliva <aoliva@redhat.com>
96 * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
97 Disregard DECL_FROM_INLINE.
99 2007-07-05 Adam Nemet <anemet@caviumnetworks.com>
101 * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
102 IORing with a constant.
104 2007-07-05 Seongbae Park <seongbae.park@gmail.com>
106 PR rtl-optimization/32475
107 * df-scan.c (df_def_record_1): Add a use of the stack pointer
108 for every definition of the stack pointer.
110 2007-07-05 Richard Earnshaw <rearnsha@arm.com>
112 * arm.c (vfp3_const_double_index): Copy signed results of
113 REAL_VALUE_TO_INT into unsigned vars.
115 2007-07-05 Richard Guenther <rguenther@suse.de>
118 * alias.c (get_alias_set): Tread METHOD_TYPE the same as
120 * tree-ssa.c (useless_type_conversion_p): Check canonical
123 2007-07-05 Anatoly Sokolov <aesok@post.ru>
125 * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
126 zero_extendhisi2): Change to define_insn_and_split.
127 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
129 2007-07-05 Paolo Bonzini <bonzini@gnu.org>
131 * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
132 pass_match_asm_constraints): New.
133 * passes.c (init_optimization_passes): Add new pass.
134 * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
135 * function.h (struct function): Add has_asm_statement bit.
136 (current_function_has_asm_statement): New.
137 * tree-pass.h (pass_match_asm_constraints): New.
139 2007-07-05 Richard Sandiford <rsandifo@nildram.co.uk>
141 * config/mips/mips.c (mips_file_start): Avoid declaration
144 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
146 * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
148 2007-07-05 Uros Bizjak <ubizjak@gmail.com>
150 * rtl.def (NOTE): Change print format string to print
151 operand 5 as a note insn name.
153 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
154 David Ung <davidu@mips.com>
156 * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
157 * doc/invoke.texi: (MIPS Options): Document them.
159 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
160 David Ung <davidu@mips.com>
162 Add support for SmartMIPS ASE.
164 * optabs.c (expand_binop_directly): New, broken out from...
165 (expand_binop): Here. Make it try rotating in the other
166 direction even when the second operand isn't constant.
167 * config/mips/mips.md (*lwxs): New.
168 * config/mips/mips.opt (msmartmips): New.
169 * config/mips/mips.c (mips_lwxs_address_p): New.
170 (mips_rtx_costs): Make it recognize scaled indexed addressing.
171 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
172 __mips_smartmips when compiling for TARGET_SMARTMIPS.
173 (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
175 (ASM_SPEC): Add -msmartmips/-mno-smartmips.
176 * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
177 * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
178 * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
179 * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
180 * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
181 * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
183 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
185 * tree-vectorizer.c (new_loop_vec_info): Initialize
186 LOOP_VINFO_COST_MODEL_MIN_ITERS.
187 * tree-vectorizer.h (_loop_vec_info): Added new filed
188 min_profitable_iters.
189 (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
190 (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
191 * tree-vect-analyze.c (vect_analyze_operations): Set
192 LOOP_VINFO_COST_MODEL_MIN_ITERS.
193 * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
194 VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
195 Fix calculation of peel_iters_prologue. Move consideration of epilogue
196 and prologue cost to after they are computed.
197 (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
199 (vect_model_simple_cost): Takes additional argument dt. Consider cost
200 of creating vectors from scalars according to dt.
201 (vect_model_store_cost): Likewise.
202 (vectorizable_call): Use dt array instead of scalar dt. Call
203 vect_model_simple_cost with additional argument dt.
204 (vectorizable_assignment): Likewise.
205 (vectorizable_operation): Likewise.
206 (vectorizable_type_demotion): Likewise.
207 (vectorizable_type_promotion): Likewise.
208 (vectorizable_store): Use dt array instead of scalar dt. Call
209 vect_model_store_cost with additional argument dt.
210 (vect_do_peeling_for_loop_bound): Don't call
211 vect_estimate_min_profitable_iters. Instead, lookup
212 LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
213 "may not be profitable".
215 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
218 * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
219 (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
220 (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
221 (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
223 2007-07-05 Zdenek Dvorak <dvorakz@suse.cz>
225 * config/i386/i386.c (ix86_address_cost): Do not consider more complex
226 addressing modes cheaper.
228 2007-07-05 Alexandre Oliva <aoliva@redhat.com>
230 * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
231 (dw_ranges_struct): Rename block_num to num. Adjust.
232 (dw_ranges_by_label_struct): New.
233 (ranges_by_label, ranges_by_label_allocated,
234 ranges_by_label_in_use): New variables.
235 (add_ranges_num): Factored most of the code out of...
236 (add_ranges): ... this one. Rewrite in terms of the former.
237 (add_ranges_by_labels): New.
238 (output_ranges): Output by-label ranges.
239 (dwarf2out_finish): Output range for multiple-section
240 compile_unit. Output standard DW_AT_low_pc in addition to
241 unexpected DW_AT_entry_pc.
243 2007-07-04 Daniel Berlin <dberlin@dberlin.org>
245 PR tree-optimization/32604
246 PR tree-optimization/32606
248 * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
249 (compute_antic_safe): Removed.
250 (ANTIC_SAFE_LOADS): Ditto.
251 (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
252 (execute_pre): Don't call compute_antic_safe.
253 (vuse_equiv): New function.
254 (make_values_for_stmt): Use it
255 * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
258 2007-07-04 Anatoly Sokolov <aesok@post.ru>
261 * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
263 (avr_attribute_table): Make "naked" attribute apply to function types
264 rather than to decls.
265 (avr_handle_fntype_attribute): New function.
267 2007-07-04 Joseph Myers <joseph@codesourcery.com>
269 * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
272 2007-07-04 David Ung <davidu@mips.com>
273 Joseph Myers <joseph@codesourcery.com>
275 * config/mips/mips.md (type): Add logical, signext and move.
276 (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
277 *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
278 *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
279 combinations", *zero_extend<SHORT:mode><GPR:mode>2,
280 *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
281 *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
282 *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
283 *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
284 *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
285 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
286 movv2sf_hardfloat_64bit): Use the new types.
287 (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
288 *movdf_softfloat, *movdf_mips16): Use "multi".
289 (extendqihi2): Replace with a define_expand.
290 (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
291 Based on extend<SHORT:mode><GPR:mode>2 patterns.
292 * config/mips/74k.md (r74k_int_logical): New reservation and
294 (r74k_int_arith): Remove "slt".
295 * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
296 config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
297 config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
298 config/mips/sb1.md, config/mips/sr71k.md: Add new types to
299 reservations for "arith".
301 2007-07-04 Richard Guenther <rguenther@suse.de>
303 * tree-ssa.c (useless_type_conversion_p): Add handling for
304 scalar float and vector types. Only call the types_compatible_p
305 langhook for aggregate types as last resort. Follow the
308 2007-07-04 Richard Guenther <rguenther@suse.de>
310 * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
311 the same as NOP_EXPR.
313 2007-07-04 Nick Clifton <nickc@redhat.com>
315 * target.h (struct gcc_target): Add target_help field.
316 * target-def.h (TARGET_HELP): New.
317 (TARGET_INITIALIZER): Use TARGET_HELP.
318 * opts.c (command_handle_option): Invoke target_help function, if
319 defined, when the user has specified --target-help on the command
321 * doc/invoke.texi: Mention that --target-help might print
322 additional information.
323 * doc/tm.texi: Document TARGET_HELP hook.
325 * arm.c (TARGET_HELP): Override default definition.
326 (arm_target_help): New - display a wrapped list of cores and
327 architectures supported.
329 2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
331 * config/gcc/v850/v850.c (expand_prologue): Make sure
332 GEN_INT() argument is sign extended rather than zero extended.
333 (expand_epilogue): Likewise.
334 (output_move_double): Delete.
335 * config/gcc/v850/v850-protos.h (output_move_double): Delete.
336 * config/gcc/v850/v850.md (movdi): Delete.
337 (*movdi_internal): Delete.
339 (*movdf_internal): Delete.
341 2007-07-04 Richard Sandiford <richard@codesourcery.com>
343 * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
344 unless compiling RTP PIC.
346 2007-07-04 Richard Guenther <rguenther@suse.de>
348 PR tree-optimization/32482
349 * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
350 original ssa name if we didn't find a shift expression.
351 Fix shift constant for bit zero test.
353 2007-07-04 Richard Sandiford <richard@codesourcery.com>
355 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
357 2007-07-04 Richard Sandiford <richard@codesourcery.com>
359 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
360 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
361 * config/arm/vxworks.h (ASM_SPEC): Delete.
362 (SUBTARGET_EXTRA_ASM_SPEC): Define.
364 2007-07-04 Sebastian Pop <sebpop@gmail.com>
366 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
367 (DDR_REVERSED_P): New.
368 * tree-data-ref.c (initialize_data_dependence_relation,
369 build_classic_dist_vector): Set DDR_REVERSED_P.
371 2007-07-04 Sebastian Pop <sebpop@gmail.com>
374 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
375 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
376 init_omega_for_ddr_1): Use non conservative number of iterations
378 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
379 (analyze_siv_subscript): Remove FIXME and reinitialization of
380 last_conflicts to chrec_dont_know.
381 * testsuite/gfortran.dg/vect/pr32457.f90: New.
383 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
385 * tree.c (maybe_canonicalize_argtypes): Improve description.
387 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
389 * tree.c (maybe_canonicalize_argtypes): New.
390 (build_function_type): Set canonical type.
391 (build_method_type_directly): Ditto.
392 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
395 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
397 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
399 (rewrite_use_nonlinear_expr): Likewise.
401 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
403 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
405 2007-07-04 Ben Elliston <bje@au.ibm.com>
407 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
410 * c-objc-common.c (c_types_compatible_p): Fix indentation.
412 * doc/tm.texi (Run-time Target): Capitalise "CPU".
413 (Exception Handling): Likewise.
415 2007-07-03 Jan Hubicka <jh@suse.cz>
417 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
419 2007-07-03 Eric Christopher <echristo@apple.com>
421 * doc/cppopts.texi: Add conflicting option note to -dM.
422 * doc/invoke.texi: Add note about possible conflicts with
423 -E for -dCHARS and note that -dM will not produce
424 any results if there is no machine dependent reorg.
426 2007-07-03 Geoffrey Keating <geoffk@apple.com>
428 * tree.h (DECL_ALIGN): Back out previous change.
430 2007-07-03 Joseph Myers <joseph@codesourcery.com>
432 * configure.ac: Test for .dtprelword support on MIPS.
433 * configure, config.in: Regenerate.
434 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
435 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
437 2007-07-03 Julian Brown <julian@codesourcery.com>
439 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
440 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
441 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
442 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
444 (all_fpus): Add FPUTYPE_VFP3.
445 (fp_model_for_fpu): Add VFPv3 field.
446 (arm_rtx_costs_1): Give cost to VFPv3 constants.
447 (vfp3_const_double_index): New function. Return integer index of
448 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
450 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
451 and argument represents a valid RTX for a VFPv3 constant.
452 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
454 (vfp_emit_fstmd): Similar, for fstmd.
455 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
456 constants, represented as integer indices.
457 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
458 VFP_REGNO_OK_FOR_DOUBLE macros.
459 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
460 (arm_file_start): Set float-abi attribute for VFPv3, and output
461 correct ".fpu" assembler directive.
462 (arm_dbx_register_numbering): Add FIXME.
463 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
464 (fputype): Add FPUTYPE_VFP3.
465 (FIXED_REGISTERS): Add 32 registers for D16-D31.
466 (CALL_USED_REGISTERS): Likewise.
467 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
468 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
469 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
470 (D7_VFP_REGNUM): New.
471 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
472 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
473 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
474 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
475 (REG_ALLOC_ORDER): Adjust for VFPv3.
476 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
477 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
478 VFP_LO_REGS, VFP_HI_REGS.
479 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
480 (IS_VFP_CLASS): Define macro.
481 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
483 (REGISTER_MOVE_COST): Likewise.
484 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
485 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
486 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
487 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
488 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
489 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
490 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
491 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
492 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
493 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
494 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
495 where appropriate for single-word registers.
496 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
497 As above. Fix type attributes.
498 * config/arm/constraints.md (register_contraint "t"): Define.
499 (register_constraint "w"): Change to D0-D15, or D0-D31 for
501 (register_constraint "x"): Define.
502 (constraint "Dv"): Define.
504 2007-07-03 Geoffrey Keating <geoffk@apple.com>
506 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
508 2007-07-03 Tom Tromey <tromey@redhat.com>
510 * c-parser.c (objc_pq_context): Removed.
511 (objc_need_raw_identifier): Likewise.
512 (c_parser) <objc_pq_context>: New field.
513 <objc_need_raw_identifier>: Likewise.
514 (OBJC_NEED_RAW_IDENTIFIER): Removed.
515 (c_lex_one_token): Update.
516 (c_parser_objc_protocol_definition): Update.
517 (c_parser_objc_method_definition): Update.
518 (c_parser_objc_methodproto): Update.
519 (c_parser_declspecs): Update.
521 2007-07-03 David Ung <davidu@mips.com>
523 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
525 2007-07-03 David Ung <davidu@mips.com>
526 Richard Sandiford <richard@codesourcery.com>
528 * doc/invoke.texi: Document -march=74kf3_2.
529 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
530 (TUNE_74K): Check for it.
531 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
532 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
533 * config/mips/mips.md (cpu): Add 74kf3_2.
534 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
535 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
536 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
537 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
538 74kf3_2 to the CPU list.
539 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
540 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
541 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
542 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
543 (r74kf3_2_fxfer_from_c1): New insn reservations.
545 2007-07-03 Richard Sandiford <richard@codesourcery.com>
546 David Ung <davidu@mips.com>
548 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
549 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
550 and 74k[fx]. Document aliases for the new options.
551 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
552 (PROCESSOR_24KF2_1): ...this.
553 (PROCESSOR_24KX): Rename to...
554 (PROCESSOR_24KF1_1): ...this.
555 (PROCESSOR_74KF): Rename to...
556 (PROCESSOR_74KF2_1): ...this.
557 (PROCESSOR_74KX): Rename to...
558 (PROCESSOR_74KF1_1): ...this.
559 (TUNE_74K): Update PROCESSOR_* names.
560 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
561 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
562 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
563 (mips_rtx_cost_data): Update processor names in comments.
564 (mips_issue_rate): Update PROCESSOR_* names.
565 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
566 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
567 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
568 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
569 Update cpu attribute names.
570 (r24k_fpu_iss): Rename this reservation to...
571 (r24kf2_1_fpu_iss): ...this and update all uses.
572 (r24kx_fpu_iss): Rename this reservation to...
573 (r24kf1_1_fpu_iss): ...this and update all uses.
574 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
575 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
576 Update cpu attribute names.
578 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
580 * config/m32r/constraints.md: New file.
581 * config/m32r/m32r.c: Include tm-constrs.h.
582 (small_data_operand): Use satisfies_constraint_* instead of macro.
583 (addr24_operand, gen_compare): Likewise.
584 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
585 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
586 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
587 EXTRA_CONSTRAINT): Likewise.
588 * config/m32r/m32r.md: Include constraints.md.
589 (*movsi_insn): Use satisfies_constraint_* instead of macro.
590 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
591 * config/m32r/predicates.md (conditional_move_operand): Likewise.
592 (two_insn_const_operand, int8_operand, uint16_operand,
593 reg_or_int16_operand, reg_or_uint16_operand,
594 reg_or_cmp_int16_operand, cmp_int16_operand,
595 seth_add3_operand): Likewise.
597 2007-07-03 Eric Christopher <echristo@gmail.com>
599 * libgcc2.h: Conditionally declare __bswapsi2 and
602 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
604 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
607 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
610 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
611 (__gthrw_pragma): Provide default definition.
613 * gthr-posix.c (__gthrw_pragma): Define.
615 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
617 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
618 before declaring inequality.
620 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
622 * combine.c (recog_for_combine): Log the success or failure of
623 matching new insn patterns against the machine description in
626 2007-07-03 Revital Eres <eres@il.ibm.com>
628 * ddg.c (print_sccs): New function.
629 (check_sccs): New function.
630 (create_ddg_all_sccs): Use it.
631 * ddg.h (print_sccs): Declare.
632 * modulo-sched.c (sms_order_nodes): Call print_sccs.
634 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
636 * targhooks.h (default_mode_for_suffix): New function declaration.
637 * targhooks.c (default_mode_for_suffix): New default target hook.
638 * target.h (struct c): New structure in the targetm struct.
639 (mode_for_suffix): New target hook as part of struct c.
640 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
641 default_mode_for_suffix.
642 (TARGET_C): New define.
643 * c-lex.c: Include "target.h".
644 (interpret_float): Use targetm.c.mode_for_suffix to determine
645 the mode for a given non-standard suffix.
646 Makefile.in (c-lex.o): Depend on $(TARGET_H).
648 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
649 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
651 * doc/extend.texi (Floating Types): New node. Document __float80 and
652 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
654 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
657 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
658 predicate instead of target_operand.
659 (divsi3_i1_media, divsi3_media_2): Likewise.
661 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
663 * tree.h (alias_sets_might_conflict_p): Rename into
664 alias_sets_must_conflict_p.
665 * alias.c (alias_sets_might_conflict_p): Likewise.
666 (alias_sets_conflict_p): Use it.
667 (objects_must_conflict_p): Likewise.
668 * c-common.c (strict_aliasing_warning): Adjust.
670 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
672 * rtlhooks.c (gen_lowpart_if_possible): Check for
673 invalid subreg before calling gen_lowpart_SUBREG.
675 2007-07-02 Geoffrey Keating <geoffk@apple.com>
677 * config/darwin9.h: Add copyright notice.
678 (LINK_COMMAND_SPEC): Add comment.
679 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
680 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
681 DARWIN_LIBSYSTEM_HAS_UNWIND.
683 2007-07-02 Jakub Jelinek <jakub@redhat.com>
686 * omp-low.c (check_combined_parallel): New function.
687 (lower_omp_parallel): Call it via walk_stmts, set
688 OMP_PARALLEL_COMBINED if appropriate.
689 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
690 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
691 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
692 don't consider it as combined parallel.
694 2007-07-02 Richard Sandiford <richard@codesourcery.com>
696 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
697 (gcc_tooldir): Likewise.
698 * configure: Regenerate.
699 * Makefile.in (libsubdir_to_prefix): New variable, based on the
700 old configure.ac gcc_tooldir setting.
701 (prefix_to_exec_prefix): New variable.
702 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
703 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
705 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
707 Fix PR tree-optimization/32583
708 Fix PR tree-optimization/32584
709 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
710 (phi_translate_set): Use phi_translate directly now.
711 (make_values_for_stmt): Don't value number RHS if we already know
714 2007-07-02 Steve Ellcey <sje@cup.hp.com>
715 Jim Wilson <wilson@specifix.com>
718 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
721 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
722 Richard Sandiford <richard@codesourcery.com>
723 Nigel Stephens <nigel@mips.com>
725 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
726 (mips16e_output_save_restore): Declare.
727 (mips16e_save_restore_pattern_p): Likewise.
728 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
729 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
730 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
731 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
732 (BITSET_P): New global macro, extracted from...
733 (mips_for_each_saved_reg): ...here.
734 (mips16e_save_restore_info): New struct.
735 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
736 (mips16e_save_restore_regs): New variable.
737 (mips_split_plus, mips16e_find_first_register): New functions.
738 (mips16e_mask_registers): New function.
739 (compute_frame_size): Expand the commentary before the function.
740 Enforce the MIPS16e save and restore register range restrictions.
741 Pad the general register save area at the low end.
742 (mips16e_save_restore_reg, mips16e_build_save_restore)
743 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
744 (mips16e_output_save_restore, mips16e_collect_propagate_value)
745 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
747 (mips_expand_prologue, mips_expand_epilogue): Handle
748 GENERATE_MIPS16E_SAVE_RESTORE.
749 * config/mips/mips.md (*mips16e_save_restore): New pattern.
751 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
753 PR tree-optimization/31966
754 PR tree-optimization/32533
755 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
756 "basic_block" description as its third argument. Update function
757 calls to get destination bb from "edge" argument. Save "cond" into
758 aux field of the edge. Update prototype for changed arguments.
759 (if_convertible_loop_p): Clear aux field of incoming edges if bb
761 (find_phi_replacement_condition): Operate on incoming edges, not
762 on predecessor blocks. If there is a condition saved in the
763 incoming edge aux field, AND it with incoming bb predicate.
764 Return source bb of the first edge.
765 (clean_predicate_lists): Clean aux field of outgoing node edges.
766 (tree_if_conversion): Do not initialize cond variable. Move
767 variable declaration into the loop.
768 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
769 initializations of new_stmt, arg0 and arg1 variables.
771 2007-07-02 Jakub Jelinek <jakub@redhat.com>
773 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
774 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
776 2007-07-02 Richard Guenther <rguenther@suse.de>
778 * tree-ssa.c (useless_type_conversion_p): Document
779 future intent as defining the middle-end type system.
780 Re-structure to call langhook last, group by type class,
781 mark questionable parts.
783 2007-07-02 Richard Guenther <rguenther@suse.de>
785 * tree-flow.h (types_compatible_p): Declare.
786 * tree-ssa.c (types_compatible_p): New function.
787 * ipa-type-escape.c (discover_unique_type): Use
788 types_compatible_p instead of lang_hooks.types_compatible_p.
789 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
790 * tree-vn.c (expressions_equal_p): Likewise.
791 * tree.c (fields_compatible_p): Likewise.
792 * tree-ssa-dom.c (avail_expr_eq): Likewise.
793 (cprop_operand): Use useless_type_conversion_p instead of
794 lang_hooks.types_compatible_p.
795 * tree-inline.c (setup_one_parameter): Likewise.
796 (declare_return_variable): Likewise.
797 * tree-nrv.c (tree_nrv): Likewise.
798 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
799 (maybe_fold_offset_to_component_ref): Likewise.
800 (maybe_fold_offset_to_reference): Likewise.
801 * tree-ssa-copy.c (may_propagate_copy): Likewise.
802 (merge_alias_info): Likewise.
803 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
804 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
805 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
806 * tree-tailcall.c (find_tail_calls): Likewise.
807 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
808 * gimplify.c (canonicalize_addr_expr): Likewise.
809 (fold_indirect_ref_rhs): Likewise.
810 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
811 (cpt_same_type): Likewise.
812 (check_pointer_types_r): Swap parameters to cpt_same_type
814 * fold-const.c (fold_convert): Revert fix for PR15988.
815 * tree-inline.c (setup_one_parameter): Instead fix it here by
816 using fold_build1 instead of fold_convert and checking for
817 error_mark_node. Convert only if the conversion is necessary.
819 2007-07-02 Joseph Myers <joseph@codesourcery.com>
821 * configure.ac: Check for .gnu_attribute on Power.
822 * configure: Regenerate.
823 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
824 attribute for floating-point ABI.
826 2007-07-02 Ira Rosen <irar@il.ibm.com>
828 PR tree-optimization/32230
829 PR tree-optimization/32477
830 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
831 address is a constant.
833 2007-07-02 Richard Sandiford <richard@codesourcery.com>
835 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
836 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
837 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
838 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
839 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
840 64-bit targets. Add support for *-elfoabi*.
841 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
842 different settings if $(tm_defines) does not select the EABI.
843 (MULTILIB_EXCLUSIONS): Define in those circumstances.
844 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
845 (MIPS_ARCH_OPTION_SPEC): Likewise.
846 (MIPS_ISA_LEVEL_SPEC): Likewise.
847 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
848 * config/mips/elfoabi.h: New file.
850 2007-07-02 Richard Guenther <rguenther@suse.de>
852 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
853 (useless_type_conversion_p): ... this.
854 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
855 (useless_type_conversion_p): ... this.
856 * builtins.c (fold_builtin_memory_op): Rename
857 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
858 * tree-cfg.c (verify_expr): Likewise.
859 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
860 * tree-ssa-ccp.c (ccp_fold): Likewise.
861 * tree-ssa-copy.c (may_propagate_copy): Likewise.
862 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
863 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
864 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
865 * tree-ssa-pre.c (eliminate): Likewise.
866 * tree-ssa.c (delete_tree_ssa): Likewise.
867 (tree_ssa_useless_type_conversion): Likewise.
868 * tree.c (build2_stat): Likewise.
870 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
872 Fix PR tree-optimization/32571
873 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
876 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
878 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
879 and other expected operations explicitly, change default to
882 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
884 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
886 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
887 (tls_load_dot_plus_eight): Move the label number into the unspec.
888 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
890 2007-07-01 Andreas Schwab <schwab@suse.de>
892 * dwarf2out.c (initial_return_save): Define only if used.
894 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
896 Unreverting Richard's Revert of:
898 2007-06-27 Richard Sandiford <richard@codesourcery.com>
900 * dce.c (deletable_insn_p_1): New function, split out from...
901 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
902 specially, not those inside PARALLELs. Remove BODY argument
903 and adjust recursive call accordingly.
904 (prescan_insns_for_dce): Update call to delete_insn_p.
906 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
907 Revital Eres <eres@il.ibm.com>
909 * ddg.c (create_ddg_all_sccs): Fix missed
910 initialization of scc_nodes.
912 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
915 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
916 X + ~X to 1 only for INTEGRAL_TYPE_P type.
918 2007-06-30 Joseph Myers <joseph@codesourcery.com>
920 * configure.ac: Check for .gnu_attribute on MIPS.
921 * configure, config.in: Regenerate.
922 * config/mips/mips.c (mips_file_start): If supported, output
923 attribute for floating-point ABI.
925 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
928 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
929 (ffs_cmove): New expander to expand using ctz pattern.
930 (*ffs_cmove): Remove pattern.
931 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
932 (ffsdi2): Expand using ctz pattern.
933 (*ffs_rex64): Remove pattern.
935 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
937 PR rtl-optimization/32296
938 * pa.md (return): Delete pattern.
939 (return_internal): Remove "(const_int 1)" from pattern.
940 (epilogue): Use return_internal pattern for trivial returns.
941 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
942 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
944 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
946 * tree-ssa-pre.c (is_exception_related): New function
947 (can_value_number_operation): Use it.
949 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
951 Fix PR tree-optimization/32540
952 Fix PR tree-optimization/31651
954 * tree-ssa-sccvn.c: New file.
956 * tree-ssa-sccvn.h: Ditto.
958 * tree-vn.c: Include tree-ssa-sccvn.h
959 (val_expr_paid_d): Removed.
960 (value_table): Ditto.
962 (val_expr_pair_hash): Ditto.
963 (val_expr_pair_expr_eq): Ditto.
964 (copy_vuses_from_stmt): Ditto.
967 (shared_vuses_from_stmt): Ditto.
968 (print_creation_to_file): Moved up.
970 (sort_vuses_heap): Ditto.
971 (set_value_handle): Make non-static.
972 (make_value_handle): Ditto.
973 (vn_add): Rewritten to use sccvn lookups.
974 (vn_add_with_vuses): Ditto.
975 (vn_lookup): Ditto (and second argument removed).
976 (vn_lookup_with_vuses): Ditto.
977 (vn_lookup_or_add): Ditto (and second argument removed);
978 (vn_lookup_or_add_with_vuses): Ditto.
979 (vn_lookup_with_stmt): New.
980 (vn_lookup_or_add_with_stmt): Ditto.
981 (create_value_handle_for_expr): Ditto.
983 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
984 (seen_during_translate): New function.
985 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
986 (phi_trans_add): Ditto.
987 (constant_expr_p): FIELD_DECL is always constant.
988 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
990 Avoid infinite recursion on mutually valued expressions.
991 Change callers of vn_lookup_or_add.
992 (phi_translate): New function.
993 (compute_antic_safe): Allow phi nodes.
994 (create_component_ref_by_pieces): Update for FIELD_DECL change.
995 (find_or_generate_expression): Rewrite slightly.
996 (create_expression_by_pieces): Updated for vn_lookup_or_add
998 Update VN_INFO for new names.
999 (insert_into_preds_of_block): Update for new names.
1000 (add_to_exp_gen): New function.
1001 (add_to_sets): Use vn_lookup_or_add_with_stmt.
1002 (find_existing_value_expr): Rewrite to changed vn_lookup.
1003 (create_value_expr_from): Ditto, and use add_to_exp_gen.
1004 (try_look_through_load): Removed.
1005 (try_combine_conversion): Ditto.
1006 (get_sccvn_value): New function.
1007 (make_values_for_phi): Ditto.
1008 (make_values_for_stmt): Ditto.
1009 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
1011 (init_pre): Update for SCCVN changes.
1013 (execute_pre): Ditto.
1015 * tree-flow.h (make_value_handle): Declare.
1016 (set_value_handle): Ditto.
1017 (sort_vuses_heap): Ditto.
1018 (vn_lookup_or_add_with_stmt): Ditto.
1019 (vn_lookup_with_stmt): Ditto.
1020 (vn_compute): Remove.
1023 (vn_lookup): Update arguments.
1025 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
1027 (tree-ssa-sccvn.o): New.
1028 (OBJS-common): Add tree-ssa-sccvn.o
1030 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1033 * c-typeck.c (build_external_ref): Don't mark as used if called
1035 * calls.c (rtx_for_function_call): Likewise.
1037 2007-06-30 Richard Sandiford <richard@codesourcery.com>
1041 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1043 * dce.c (deletable_insn_p_1): New function, split out from...
1044 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1045 specially, not those inside PARALLELs. Remove BODY argument
1046 and adjust recursive call accordingly.
1047 (prescan_insns_for_dce): Update call to delete_insn_p.
1049 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
1051 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
1052 (try_combine): Move potential calls to undo_all() so they happen
1053 before we commit to using the combined insns.
1055 2006-06-30 Jan Hubicka <jh@suse.cz>
1057 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
1060 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
1062 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
1063 (cgraph_remove_unreachable_nodes): Likewise.
1064 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
1065 * ipa-inline.c (update_caller_keys): Cast according to the coding
1067 (cgraph_decide_recursive_inlining): Likewise.
1068 (cgraph_decide_inlining_of_small_function): Likewise.
1069 (try_inline): Likewise.
1070 (cgraph_decide_inlining_incrementally): Likewise.
1071 * ipa-pure-const.c (get_function_state): Likewise.
1072 (scan_function): Likewise.
1073 (analyze_function): Likewise.
1074 (static_execute): Likewise.
1075 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
1076 (merge_callee_local_info): Likewise.
1077 (analyze_function): Use type safe memory macros.
1078 (static_execute): Likewise. Cast according to the coding conventions.
1079 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
1081 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
1083 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
1084 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
1087 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1090 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
1091 for complex modes (both int and real).
1093 2007-06-29 Jan Hubicka <jh@suse.cz>
1095 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
1097 2007-06-29 Jan Hubicka <jh@suse.cz>
1100 * cse.c (cse_insn): Avoid invalid sharing in between register note and
1103 2007-06-29 Anatoly Sokolov <aesok@post.ru>
1106 * config/avr/avr.c: Include dataflow header file.
1107 (expand_prologue): Adjust for prologue insn change.
1108 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
1111 2007-06-29 Richard Guenther <rguenther@suse.de>
1114 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
1115 during type verification.
1117 2007-06-29 Jan Hubicka <jh@suse.cz>
1119 * recog.c (validate_change_rtx_1): Unshare TO argument.
1121 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
1123 PR tree-optimization/24659
1124 * tree-vect-transform.c (vectorizable_call): Handle
1125 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
1127 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
1128 * config/i386/i386.c (enum ix86_builtins)
1129 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
1130 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
1132 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
1133 const using def_builtin_const.
1134 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
1135 input operands in the same modes as the result.
1136 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
1138 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
1140 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
1141 (df_set_dead_notes_for_mw): Likewise.
1143 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
1145 * c-common.c (pointer_int_sum): Do the negation in sizetype.
1147 2007-06-28 DJ Delorie <dj@redhat.com>
1149 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
1151 2007-06-28 Geoffrey Keating <geoffk@apple.com>
1153 * doc/invoke.texi (C++ Dialect Options): Document
1154 fvisibility-ms-compat.
1155 * c.opt (fvisibility-ms-compat): New.
1157 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1160 * tree-affine.c (aff_combination_add_elt): Handle
1161 pointer addition specially.
1163 2007-06-28 Jakub Jelinek <jakub@redhat.com>
1165 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
1166 decl is non-external for AIX ABI.
1168 2007-06-28 David Edelsohn <edelsohn@gnu.org>
1170 * config/rs6000/predicates.md (current_file_function_operand):
1171 Ensure the symbol is non-external for AIX ABI.
1173 2007-06-28 Nick Clifton <nickc@redhat.com>
1175 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
1176 (fdce, fdse, fpredictive-commoning): Likewise.
1178 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1181 * gcc.c (process_command): Recognize the new -static-libgfortran
1184 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
1187 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
1188 Use a call clobbered hard reg instead of a pseudo reg.
1190 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
1192 * config/sh/sh.md (load_gbr): Use correct operand constraint.
1194 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
1197 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
1198 REG_LIBCALL and REG_RETVAL notes.
1199 (divsi3, mulsi3): Likewise.
1200 (mulhisi3): Likewise. Use emit_libcall_block.
1201 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
1203 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
1205 PR rtl-optimization/32481
1206 * combine.c (adjust_for_new_dest): Rescan the changed insn.
1208 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1210 * dce.c (deletable_insn_p_1): New function, split out from...
1211 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1212 specially, not those inside PARALLELs. Remove BODY argument
1213 and adjust recursive call accordingly.
1214 (prescan_insns_for_dce): Update call to delete_insn_p.
1216 2007-06-27 Richard Guenther <rguenther@suse.de>
1219 * tree.h (fold_convertible_p): Declare.
1220 * fold-const.c (fold_convertible_p): New function.
1221 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
1222 instead of lang_hooks.types_compatible_p.
1224 2007-06-26 Jan Hubicka <jh@suse.cz>
1226 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
1227 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
1228 early use validate_unshare_change.
1229 (reload_combine): Likewise.
1230 * recog.c (change_t): New field unshare.
1231 (validate_change_1): Rename from validate_change; add argument unshare.
1232 (validate_change): Turn into wrapper of validate_change_1; update
1233 prototype for bools.
1234 (validate_unshare_change): New.
1235 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
1236 calls of df_insn_rescan.
1237 * recog.h (validate_change): Replace ints by bools.
1238 (validate_unshare_change): Declare.
1240 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1242 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
1244 2007-06-26 Steve Ellcey <sje@cup.hp.com>
1246 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
1248 2007-06-25 Jan Hubicka <jh@suse.cz>
1250 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
1252 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
1253 cgraph_decide_inlining_incrementally): Move uninlinability checks to
1254 places other call site specific checks are performed.
1256 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1259 * tree-vect-transform.c (vectorizable_operation): Convert
1260 POINTER_PLUS_EXPR over to PLUS_EXPR.
1262 2007-06-25 Chao-ying Fu <fu@mips.com>
1264 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
1265 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
1266 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
1267 Document GET_MODE_IBIT, and GET_MODE_FBIT.
1269 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
1270 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1271 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
1272 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
1273 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
1274 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
1275 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
1276 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
1277 ALL_FIXED_POINT_MODE_P): New define.
1278 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1280 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
1282 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
1283 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1284 MODE_VECTOR_UACCUM): New mode classes.
1286 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
1287 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
1288 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
1291 * genmodes.c (struct mode_data): Add ibit and fbit fields.
1292 (blank_mode): Initialize ibit and fbit.
1293 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
1294 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1296 (new_adjust): Change required_class to required_class_from and
1297 required_class_to for testing within a range.
1298 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1299 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1301 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
1302 (make_fixed_point_mode): New.
1303 (_ADD_ADJUST): Change C to C1 and C2.
1304 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
1305 use a range for machine classes.
1306 (ADJUST_IBIT, ADJUST_FBIT): New.
1307 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
1309 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
1310 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1311 Emit adjustment for ibit and fbit.
1312 (emit_mode_ibit, emit_mode_fbit): New.
1313 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
1315 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
1317 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
1318 as the source of the set.
1320 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
1322 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
1323 FP_REGNO_P): Use IN_RANGE.
1324 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
1325 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
1326 (DATA_REG_P): Use DATA_REGNO_P.
1327 (FP_REG_P): Use FP_REGNO_P.
1328 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
1329 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
1330 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
1332 2007-06-24 Jan Hubicka <jh@suse.cz>
1335 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
1337 2007-06-24 Sebastian Pop <sebpop@gmail.com>
1340 * fold-const.c (fold_binary): Strip nops of operand 0
1341 of BIT_NOT_EXPR before calling operand_equal_p.
1342 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
1343 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
1345 2007-06-23 Mark Mitchell <mark@codesourcery.com>
1347 * doc/extend.texi: Document that dllimport and dllexport imply
1349 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
1350 imported or exported declaration, including type declarations.
1351 * c-common.c (handle_visibility_attribute): Check for conflicts
1352 with dllimport/dllexport.
1353 (c_determine_visibility): Handle dllimport/dllexport as an
1354 explicit visibility atttribute.
1356 2007-06-23 Richard Guenther <rguenther@suse.de>
1358 PR tree-optimization/16876
1360 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1362 * tree-inline.c (initialize_inlined_parameters): Do not call
1363 lang_hooks.tree_inlining.convert_parm_for_inlining.
1364 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1365 reason for mismatched types.
1366 * gimplify.c (gimplify_call_expr): Verify the call expression
1367 arguments match the called function type signature. Otherwise
1368 mark the call expression to be not considered for inlining
1369 using CALL_CANNOT_INLINE_P flag.
1370 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1371 edges call expression.
1372 (cgraph_decide_inlining_of_small_function): Likewise.
1373 (cgraph_decide_inlining): Likewise.
1374 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1376 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1377 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1378 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1380 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1381 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1383 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1384 convert_parm_for_inlining member.
1386 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1389 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1390 Remove optimization for GT.
1392 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1395 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1397 (prescan_insns_for_dce): Add extra parameter.
1399 2007-06-23 Jan Hubicka <jh@suse.cz>
1402 * gimplify.c (mark_addressable): New function.
1403 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1405 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1408 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1410 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1413 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1414 moves between MMX/SSE registers to at least 8 units to prevent
1415 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1417 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1419 * config/i386/i386.c (override_options): Correct x86_sahf
1422 2007-06-21 David Daney <ddaney@avtrex.com>
1425 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1426 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1427 (exception_receiver): Renamed to ...
1428 (nonlocal_goto_receiver): ... this.
1430 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1432 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1433 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1434 partial register accesses.
1436 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1438 * fold-const.c (debug_fold_checksum): Move it under
1439 ENABLE_FOLD_CHECKING.
1441 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1444 * tree.h (debug_fold_checksum): Declared.
1445 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1446 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1447 build_fold_addr_expr_with_type_1.
1448 (fold_addr_expr, debug_fold_checksum): New.
1449 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1450 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1453 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1455 PR tree-optimization/19590
1456 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1457 of scev is a constant.
1458 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1460 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1462 * df-problems.c (df_note_bb_compute): Made computation of live
1463 info consistent with df_lr.
1465 2007-06-21 Richard Guenther <rguenther@suse.de>
1467 PR tree-optimization/32453
1468 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1469 for pointer anti-range.
1471 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1473 * config/i386/i386.c (processor_target_table): Increase maximum
1474 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1477 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1478 byte alignment if > 8 byte alignment is preferred.
1479 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1481 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1483 PR tree-optimization/31866
1484 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1485 if ASM_EXPR's input is not a SSA_NAME.
1488 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1489 but decl is a global var, instead return decl.
1490 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1491 even for is_global_var decls, if they are private in some outer
1494 2007-06-21 Richard Guenther <rguenther@suse.de>
1496 PR tree-optimization/32451
1497 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1499 2007-06-21 Christian Bruel <christian.bruel@st.com>
1501 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1502 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1503 (push_regs): Changed saving order or banked registers.
1504 (sh_expand_epilogue): Likewise.
1505 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1506 (FIRST_BANKED_REG): Likewise.
1507 (LAST_BANKED_REG): Likewise.
1508 * config/sh/sh.md (banked) New attribute.
1509 (in_delay_slot): Check banked attribute.
1511 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1513 PR tree-optimization/32075
1514 * tree-data-ref.c (subscript_dependence_tester_1,
1515 analyze_miv_subscript, analyze_overlapping_iterations,
1516 add_distance_for_zero_overlaps, build_classic_dist_vector,
1517 subscript_dependence_tester_1, analyze_overlapping_iterations,
1518 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1519 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1520 to evolution_function_is_affine_multivariate_p.
1522 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1524 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1526 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1529 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1531 * config/m32c/prologue.md (epilogue_exitd_16): New.
1532 (epilogue_reit_16): New.
1533 (epilogue_exitd): Rename to epilogue_exitd_24.
1534 (epilogue_reit): Rename to epilogue_reit_24.
1536 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1537 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1539 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1541 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1542 if dbg_cnt (sched_insn) reaches the limit.
1543 (choose_ready): New parameter INSN_PTR and new return value.
1544 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1545 the new return value from choose_ready.
1546 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1547 (rest_of_handle_global_alloc): New global_alloc_at_func.
1549 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1551 PR tree-optimization/25737
1552 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1553 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1554 * tree-flow.h (struct fieldoff): Add new field alias_set.
1555 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1556 argument addressable_type. Set alias_set of fieldoff.
1557 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1558 (create_overlap_variables_for): Pass alias_set from fieldoff to
1560 * alias.c (get_alias_set): Use alias_set from SFT if set.
1562 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1564 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1565 of a variable as an unsigned HOST_WIDE_INT integer.
1567 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1569 PR rtl-optimization/32405
1570 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1572 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1574 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1577 * builtins.c: Include diagnostic.h.
1578 (expand_builtin_expect): Make gcc_assert more permissive.
1579 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1582 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1586 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1587 if ACCUMULATE_OUTGOING_ARGS.
1589 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1591 * config/m68hc11/m68hc11.c: Include dataflow header file.
1592 (m68hc11_reorg): Port to dataflow.
1594 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1596 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
1597 (struct df_problem.free_blocks_on_set_blocks): New field.
1598 (struct dataflow.optional_p): New field.
1599 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1600 (df_live_set_all_dirty): New function.
1601 * df-scan.c (df_scan_alloc): Initialize optional_p.
1602 (problem_SCAN): Initialize free_blocks_on_set_blocks.
1603 * df-core.c (df_set_blocks): Removed use of
1604 DF_FIRST_OPTIONAL_PROBLEM. Now uses
1605 df_problem.free_blocks_on_set_blocks to determine which blocks are
1607 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
1608 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
1609 uses dataflow.optional_p to determine if problem should be
1611 (rest_of_handle_df_initialize): Only start live problem if
1613 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1614 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
1615 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
1616 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
1617 problem_NOTE): Initialize free_blocks_on_set_blocks.
1618 (df_lr_bb_local_compute): Recompute luids if df_live problem is
1620 (df_live_set_all_dirty, df_note_alloc): New function.
1621 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
1623 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
1624 * postreload.c (reload_combine): Ditto.
1625 * cse.c (cse_extended_basic_block): Ditto.
1626 * regmove.c (mark_flags_life_zones): Ditto.
1627 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
1628 erase_matching_seqs): Ditto.
1629 * bt-load.c (compute_defs_uses_and_gen): Ditto.
1630 * integrate (allocate_initial_values): Ditto.
1631 * combine.c (reg_dead_at_p): Ditto.
1632 * resource.c (mark_target_live_regs): Ditto.
1633 * sched-rgn.c (check_live_1, update_live_1): Ditto.
1634 * config/sh/sh.c (find_r0_life_regions): Ditto.
1635 * global.c (rest_of_handle_global_alloc): Only add back df_live
1637 * local-alloc.c (rest_of_handle_local_alloc): Only remove
1639 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
1641 (if_convert): Make sure df_live is there at -O == 1.
1642 (pass_if_after_combine): Cleanup flags.
1643 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
1644 is there at -O == 1.
1646 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
1648 * config/arm/arm.c (arm_get_frame_offsets): Set
1649 offsets->locals_base to avoid negative stack size.
1650 (thumb1_expand_prologue): Assert on negative stack size.
1652 2007-04-19 Sebastian Pop <sebpop@gmail.com>
1654 PR tree-optimization/32367
1655 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
1656 of the chrec has no evolution in that loop.
1657 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
1659 2007-06-19 Bob Wilson <bob.wilson@acm.org>
1661 * config/xtensa/xtensa.c: Include "df.h".
1662 (xtensa_builtin_saveregs): Use adjust_address instead of
1664 (xtensa_va_start): Invoke make_tree with sizetype for
1665 expand_builtin_saveregs and then convert the result to a pointer.
1666 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
1667 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
1668 Subtract argument size from index value as integers and then use
1669 POINTER_PLUS_EXPR to add the result to the array address.
1671 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1674 * config/m32c/m32c.c: Include dataflow header file.
1675 (m32c_emit_prologue): Adjust for prologue insn change.
1676 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
1677 once inside a PARALLEL. Assume frame size passed in operand 0
1678 includes space to save the fb register.
1679 (prologue_enter_24): Likewise.
1680 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
1682 2007-06-19 David Daney <ddaney@avtrex.com
1685 * config/mips/mips.md (cprestore): Mark $gp as used.
1687 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1690 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
1691 (frv_ifcvt_modify_insn): Likewise.
1693 2007-06-19 Richard Guenther <rguenther@suse.de>
1695 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
1696 only handle positive offsets that fit in a HOST_WIDE_INT.
1698 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
1700 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
1701 result of rsqrt insn for zero input argument to avoid NaN.
1703 2007-06-19 Richard Guenther <rguenther@suse.de>
1706 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
1708 2007-06-19 Jakub Jelinek <jakub@redhat.com>
1710 PR tree-optimization/32353
1711 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
1713 2007-06-19 Nick Clifton <nickc@redhat.com>
1715 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
1717 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1720 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
1721 * config/i386/i386.c (assign_386_stack_local): Assert that
1722 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
1723 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
1724 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
1725 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
1727 2007-06-18 Steve Ellcey <sje@cup.hp.com>
1729 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
1731 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
1733 PR rtl-optimization/32321
1734 * gcse.c (replace_store_insn): Update the note before
1735 calling emit_insn_after.
1737 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1740 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
1742 * df-problems.c (df_note_bb_compute): Fix dumping info.
1744 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
1746 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
1747 insn with emit_jump_insn.
1749 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1751 PR tree-optimization/32383
1752 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
1753 * targhooks.h (default_builtin_reciprocal): Update prototype.
1754 * target.h (struct gcc_target): Update builtin_reciprocal.
1755 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
1756 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
1757 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
1758 when fndecl is in BUILT_IN_MD class.
1759 (execute_convert_to_rsqrt): Ditto.
1761 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
1762 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
1763 Convert BUILT_IN_SQRTF code only when md_fn is false.
1765 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
1767 * bt-load.c (move_btr_def): Fix the order of arguments
1768 to validate_replace_rtx.
1770 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
1772 * config/m68k/m68k-devices.def: Add 54450..54455.
1774 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
1776 PR rtl-optimization/32366
1777 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
1778 FLOAT_EXTEND]: Prevent non-scalar modes from entering
1781 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
1784 * modulo-sched (generate_reg_moves): Added rescan parameter and if
1785 this is true, rescan insn being modified.
1786 (sms_schedule): Added rescan parameter.
1787 (rest_of_handle_sms): Moved freeing of dominance info to before
1788 getting out of cfg_layout.
1790 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
1792 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
1793 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
1796 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
1797 FL_CF_EMAC from the entry for isac.
1799 * config/m68k/predicates.md (const_call_operand): Adjust comment.
1800 (const_sibcall_operand): New.
1801 (sibcall_operand): Use it.
1802 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
1803 (m68k_isas): ISAC does not imply FPU or EMAC.
1804 (override_options): Add ISA_C logic for symbolic jump & call.
1806 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1808 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
1809 return mode from the builtin itself.
1810 (sparc_fold_builtin): Fix cast of zero constant.
1812 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1814 * targhooks.c (default_builtin_reciprocal): New default target hook.
1815 * targhooks.h (default_builtin_reciprocal): Add prototype.
1816 * hooks.c (hook_tree_tree_bool_null): Remove hook.
1817 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
1818 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
1819 default_builtin_reciprocal.
1821 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1824 * hooks.c (hook_tree_tree_bool_null): New hook.
1825 * hooks.h (hook_tree_tree_bool_null): Add prototype.
1826 * tree-pass.h (pass_convert_to_rsqrt): Declare.
1827 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
1828 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
1829 and convert it to reciprocal a*rfunc(b).
1830 (execute_convert_to_rsqrt): New function.
1831 (gate_convert_to_rsqrt): New function.
1832 (pass_convert_to_rsqrt): New pass definition.
1833 * target.h (struct gcc_target): Add builtin_reciprocal.
1834 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
1835 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
1836 TARGET_BUILTIN_RECIPROCAL.
1837 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
1839 * config/i386/i386.h (TARGET_RECIP): New define.
1840 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
1841 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1842 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1843 and not optimizing for size.
1844 (*rcpsf2_sse): New insn pattern.
1845 (*rsqrtsf2_sse): Ditto.
1846 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
1847 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1848 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1849 and not optimizing for size.
1850 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
1851 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1852 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1853 and not optimizing for size.
1854 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
1855 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1856 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1857 and not optimizing for size.
1858 (*sse_rsqrtv4sf2): Do not export.
1860 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
1861 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1862 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1863 and not optimizing for size.
1865 * config/i386/i386.opt (mrecip): New option.
1866 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
1867 (ix86_emit_swsqrtsf): Ditto.
1868 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
1869 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
1871 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
1872 ix86_expand_unop1_builtin.
1873 (ix86_emit_swdivsf): New function.
1874 (ix86_emit_swsqrtsf): Ditto.
1875 (ix86_builtin_reciprocal): New function.
1876 (TARGET_BUILTIN_RECIPROCAL): Use it.
1877 (ix86_vectorize_builtin_conversion): Rename from
1878 ix86_builtin_conversion.
1879 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
1880 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
1881 "i386 and x86_64 Options" section.
1882 (Intel 386 and AMD x86_64 Options): Document -mrecip.
1884 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1885 Zdenek Dvorak <dvorakz@suse.cz>
1886 Richard Guenther <rguenther@suse.de>
1887 Kaz Kojima <kkojima@gcc.gnu.org>
1889 * tree-vrp.c (compare_values_warnv): Convert val2 to
1891 (extract_range_from_assert): Create
1892 POINTER_PLUS_EXPR for pointer types.
1893 (extract_range_from_binary_expr): Handle
1894 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
1896 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
1897 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
1898 POINTER_PLUS_EXPR as PLUS_EXPR.
1899 (number_of_iterations_lt_to_ne):
1900 For pointer types, use sizetype when
1901 creating MINUS_EXPR/PLUS_EXPRs.
1902 (assert_loop_rolls_lt): For pointer types, use sizetype when
1903 creating MINUS_EXPR/PLUS_EXPRs.
1904 (number_of_iterations_le): Likewise.
1905 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
1906 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
1907 like PLUS_EXPR and MINUS_EXPR.
1908 * tree-pretty-print.c (dump_generic_node): Handle
1910 (op_prio): Likewise.
1911 (op_symbol_1): Likewise.
1912 * optabs.c (optab_for_tree_code): Likewise.
1913 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
1915 * tree-tailcall.c (process_assignment): Mention
1916 POINTER_PLUS_EXPR in a TODO comment.
1917 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
1918 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
1919 not used with a pointer and an integer type.
1920 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
1921 increment using chrec_convert_rhs instead of chrec_convert.
1922 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
1923 PLUS_EXPR except for the right hand side's type will be
1925 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
1926 (fold_used_pointer_cast): Kill.
1927 (pointer_offset_p): Kill.
1928 (fold_used_pointer): Kill.
1929 (pointer_used_p): Kill.
1930 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
1931 call fold_used_pointer.
1932 (instantiate_parameters_1): Convert the increment
1933 using chrec_convert_rhs instead of chrec_convert.
1934 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
1935 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
1936 instead of PLUS_EXPR.
1937 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
1938 PLUS_EXPR for pointers.
1939 (std_gimplify_va_arg_expr): Likewise.
1940 (fold_builtin_memory_op): Likewise.
1941 (fold_builtin_strstr): Likewise.
1942 (fold_builtin_strchr): Likewise.
1943 (fold_builtin_strrchr): Likewise.
1944 (fold_builtin_strpbrk): Likewise.
1945 (expand_builtin_memory_chk): Likewise.
1946 (fold_builtin_memory_chk): Likewise.
1947 (std_expand_builtin_va_start): Use
1948 sizetype for the call to make_tree and then convert
1949 to the pointer type.
1950 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
1951 instead of PLUS_EXPR for adding to a pointer.
1952 (std_gimplify_va_arg_expr): Use fold_build2 for
1953 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
1954 the operands to sizetype first and then cast the BIT_AND_EXPR
1955 back to the pointer type.
1956 * fold-const.c (build_range_check): Handle pointer types
1958 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
1959 of PLUS_EXPR's. Make sure the offset is converted to
1961 (try_move_mult_to_index): Strip the NOPs from the offset.
1962 Remove code argument and replace all uses with PLUS_EXPR.
1963 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
1964 specially. Don't use a pointer type for MINUS_EXPR.
1965 (fold_unary): Handle for (T1)(X op Y),
1966 only p+ as that is the only as that can be handled for
1967 binary operators now.
1968 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
1970 <case PLUS_EXPR>: Add folding of PTR+INT into
1972 Don't call try_move_mult_to_index.
1973 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
1974 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
1975 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
1976 Don't call try_move_mult_to_index.
1977 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
1978 (tree_expr_nonzero_p): Likewise.
1979 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
1980 of PLUS_EXPR for the complex expression folding.
1981 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
1982 first chrec is a pointer type, then the second should
1983 be sizetype and not the first's type.
1984 For POINTER_PLUS_EXPR, use a different right hand side type.
1985 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1986 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
1987 different right hand side type.
1988 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1989 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
1990 instead of PLUS_EXPR.
1991 When either operand is zero, convert the other operand.
1992 (chrec_apply): Use chrec_convert_rhs
1993 on the argument x instead of chrec_convert.
1994 (reset_evolution_in_loop): For pointer types, the new_evol
1996 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
1997 different right hand side type.
1998 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1999 (chrec_convert_rhs): New function.
2000 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
2001 different right hand side type.
2002 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2003 * tree-chrec.h (chrec_convert_rhs): New prototype.
2004 (build_polynomial_chrec): For pointer types, the right hand
2005 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
2006 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
2007 Remove subtraction case as it is always addition now.
2008 Make sure the offset is converted to sizetype.
2009 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
2010 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
2011 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
2012 PLUS_EXPR in pointer type.
2013 Handle POINTER_PLUS_EXPR.
2014 (tree_to_aff_combination): Likewise.
2015 (force_expr_to_var_cost): Likewise.
2016 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
2017 instead of PLUS_EXPR for pointers.
2018 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
2019 instead of PLUS_EXPR of pointer types.
2020 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
2022 (check_va_list_escapes): Likewise.
2023 (check_all_va_list_escapes): Likewise.
2024 * dwarf2out.c (loc_descriptor_from_tree_1):
2025 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
2026 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
2027 (string_constant): Likewise.
2028 * tree-ssa-address.c (tree_mem_ref_addr): When adding
2029 the offset to the base, use POINTER_PLUS_EXPR.
2030 (add_to_parts): Convert the index to sizetype.
2031 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
2032 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
2033 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
2034 Offset only holds something for PLUS_EXPR.
2035 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
2037 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
2039 (analyze_accesses_for_modify_stmt): Likewise.
2040 Remove comment about the type being integral type as it is
2042 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
2044 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
2046 Correct the type which the artimentic is done in (is now
2049 * tree-data-ref.c (split_constant_offset): Handle
2051 * tree-affine.c (tree_to_aff_combination): Likewise.
2052 * c-typeck.c (build_unary_op): For pointers create the increment
2053 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
2055 * gimplify.c (gimplify_self_mod_expr): Create a
2056 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2057 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
2058 * tree.def (POINTER_PLUS_EXPR): New tree code.
2059 * tree-predcom.c (ref_at_iteration): If we have a pointer
2060 type do the multiplication in sizetype.
2061 * tree-mudflap.c (mf_xform_derefs_1): Create a
2062 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2063 * tree-ssa-forwprop.c
2064 (forward_propagate_addr_into_variable_array_index):
2065 Don't expect there to be a cast for the index as that
2066 does not exist anymore.
2067 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
2068 instead of PLUS_EXPR.
2069 Don't check for the first operand of the POINTER_PLUS_EXPR
2070 was the index as it cannot be.
2071 Call forward_propagate_addr_into_variable_array_index with
2072 the SSA_NAME instead of the statement.
2073 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
2074 (compare_constant): Likewise.
2075 (copy_constant): Likewise.
2076 (compute_reloc_for_constant): Likewise.
2077 (output_addressed_constants): Likewise.
2078 (initializer_constant_valid_p): Likewise.
2079 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
2080 Convert the MIN/MAX of the inner type to the outer
2081 type before comparing them.
2082 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
2083 POINTER_PLUS_EXPR instead of PLUS_EXPR.
2084 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
2085 of PLUS_EXPR for pointers.
2086 * tree-inline.c (estimate_num_insns_1): Handle
2088 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2089 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2090 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
2091 instead of PLUS_EXPR for the pointer increment statement.
2092 (vect_update_ivs_after_vectorizer): For pointer types, create
2093 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
2094 MULT_EXPR in sizetype.
2095 (vect_gen_niters_for_prolog_loop): Add a cast when creating
2097 * tree-object-size.c (plus_expr_object_size): Handle
2098 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
2099 code which is trying to figure out which side is a pointer and
2101 (check_for_plus_in_loops_1): Likewise.
2102 (check_for_plus_in_loops): Likewise.
2103 * c-common.c (pointer_int_sum): Create a
2104 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2105 * tree-ssa-structalias.c (handle_ptr_arith): Handle
2106 only POINTER_PLUS_EXPR. Removing all the extra
2107 code which is trying to figure out which side is a pointer and
2109 * tree-cfg.c (verify_expr): Add extra checking for pointers and
2110 PLUS_EXPR and MINUS_EXPR.
2111 Also add checking to make sure the operands of POINTER_PLUS_EXPR
2113 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
2114 with make_tree, instead of a pointer type.
2115 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
2116 for pointers instead of PLUS_EXPR.
2117 (s390_gimplify_va_arg): Likewise.
2118 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
2119 instead of PLUS_EXPR when doing addition on pointer
2120 types. Use sizetype for the second operand.
2121 (spu_gimplify_va_arg_expr): Likewise.
2122 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
2123 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
2124 a pointer. Don't create a BIT_AND_EXPR for pointer types.
2125 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
2126 for the pointer addition and also use size_int/sizetype
2128 (ix86_gimplify_va_arg): Likewise.
2129 Perform BIT_AND_EXPR on sizetype arguments.
2130 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
2131 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
2132 for the pointer additions and also use size_int for the offsets.
2133 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
2134 additions and also use size_int for the offsets. Perform
2135 BIT_AND_EXPR on sizetype arguments.
2136 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
2137 POINTER_PLUS_EXPR for pointers and create the
2138 BIT_AND_EXPR in sizetype.
2139 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
2140 instead of PLUS_EXPR for pointer addition.
2141 (rs6000_va_start): Likewise.
2142 Also use sizetype for the offset.
2143 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
2144 as PLUS_EXPR/MINUS_EXPR.
2145 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
2146 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
2147 Don't use BIT_AND_EXPR on a pointer type, convert the
2148 expression to sizetype first.
2149 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
2151 (mips_gimplify_va_arg_expr): Likewise.
2152 Don't create BIT_AND_EXPR in a pointer type.
2154 2007-06-15 Eric Christopher <echristo@apple.com>
2156 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
2157 (x86_64-*-darwin*): Ditto.
2158 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
2161 2007-06-15 Matthew Wilcox <matthew@wil.cx>
2163 * doc/extend.texi: Document behavior of __attribute__((aligned))
2166 2007-06-15 Mark Mitchell <mark@codesourcery.com>
2168 * rtlanal.c (note_stores): Improve documentation.
2170 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
2172 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
2173 LOCAL_LABEL_PREFIX): Delete.
2174 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
2175 (bfin_internal_label): Delete.
2177 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
2179 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
2180 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
2181 otherwise define to LIBGCC2_TF_CEXT.
2182 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
2183 (LIBGCC_TF_CEXT): Ditto.
2186 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
2188 PR rtl-optimization/32339
2189 * df-scan.c (df_uses_record): Don't modify flags but just add to
2190 it for df_ref_record.
2192 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
2194 * tree-mudflap.c: Fix whitespace issues.
2196 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
2198 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
2200 2007-06-14 Eric Christopher <echristo@apple.com>
2202 * config/i386/sse.md (movdi_to_sse): Rewrite body.
2203 (movv4sf): Use gcc_unreachable instead of abort.
2205 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
2208 * config/i386/sfp-machine.h (CMPtype): New define.
2209 (mach stubs): Use CMPtype instead of int as a return type.
2211 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
2213 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
2214 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
2215 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
2216 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
2217 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
2218 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
2219 config/soft-fp/soft-fp.h: Update from glibc CVS.
2221 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
2223 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
2225 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
2228 * config/v850/v850.c: Include dataflow header file.
2229 (substitute_ep_register): Fix typo.
2231 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2233 * configure.ac: Fix earlier checkin.
2234 * configure: Regenerated.
2236 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2238 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
2239 * aclocal.m4: Regenerate.
2240 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
2241 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
2242 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
2243 * configure: Regenerate.
2244 * Makefile.in (LOOSE_WARN): Subst loose_warn.
2246 * Makefile.in (quickstrap): Build libgcc too.
2248 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2250 * configure.ac: Add --enable-checking=df. Explicitly mention that
2251 the variables are initialized as for "release".
2252 * df-core.c: Use it.
2253 * configure: Regenerate.
2254 * config.in: Regenerate.
2256 2007-06-14 Bob Wilson <bob.wilson@acm.org>
2258 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
2259 validate_replace_rtx instead of replace_rtx.
2260 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
2262 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
2264 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
2265 (DWARF2_UNWIND_INFO): Override default if configured with
2267 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
2268 (ENDFILE_SPEC): Add crtend.o.
2269 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
2270 (ENDFILE_SPEC): Add crtend.o.
2271 (TARGET_USE_JCR_SECTION): Define.
2272 (MD_UNWIND_SUPPORT): Define for 32-bit target.
2274 * config/i386/cygming-crtbegin.c: New file.
2275 * config/i386/cygming-crtend.c: New file.
2277 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
2279 * config/i386/w32-unwind.h: New file.
2281 2007-06-13 Eric Christopher <echristo@apple.com>
2283 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
2284 the user set a value below STACK_BOUNDARY.
2286 2007-06-13 Thiemo Seufer <ths@networkno.de>
2288 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
2289 imply -lpthread for -pthread.
2291 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2293 * basic-block.h: Remove the prototype for
2294 free_basic_block_vars.
2295 * cfglayout.h: Remove the prototype for
2296 insn_locators_initialize.
2297 * tree.h: Remove the prototype for emit_line_note.
2299 * tree-ssa-pre.c (mergephitemp): Remove.
2300 (init_pre): Don't use mergephitemp.
2302 2007-06-13 Eric Christopher <echristo@apple.com>
2304 * config/i386/i386.c (override_options): If we've specified
2305 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
2307 2007-06-13 Bob Wilson <bob.wilson@acm.org>
2309 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
2312 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2314 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
2315 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
2316 (eh_store_handler): New pattern.
2317 (eh_return): Emit it instead of a plain move.
2319 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
2321 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
2322 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
2323 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
2326 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2328 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
2329 (find_next_insn_start, find_load): New functions.
2330 (bfin_reorg): Use them to deal with the fact that parallel insns are
2331 no longer represented as a SEQUENCE.
2333 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2335 * config/sparc/sparc.c (sparc_override_options): Initialize
2338 2007-06-13 Dave Korn <dave.korn@artimi.com>
2340 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
2343 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2345 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
2346 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
2347 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
2348 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
2349 tree-vect-transform.c: Fix comment typos. Follow spelling
2352 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2354 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
2355 to the exit block use set.
2356 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
2357 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2358 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2360 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2362 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2363 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2364 to indicate an error.
2365 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
2367 (dbg_cnt_process_opt): Print an error on a bad argument.
2368 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2369 * common.opt (-fdbg-cnt-list): New.
2370 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2372 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2374 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2375 flag on ref-all pointers.
2377 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2380 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2381 for the offset with the modifier as EXPAND_INITIALIZER
2382 if the modifier is EXPAND_INITIALIZER.
2383 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2384 a register if we had an overflow.
2386 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2388 * real.c (real_isfinite): New.
2389 (real_sqrt): Use it.
2390 * real.h (real_isfinite): New.
2391 * builtins.c: Use it.
2393 2007-06-12 Ian Lance Taylor <iant@google.com>
2394 Daniel Berlin <dberlin@dberlin.org>
2397 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2398 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2399 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2400 (DECL_NO_TBAA_P): Define.
2401 (struct tree_decl_common): Add no_tbaa_flag field.
2402 * tree-ssa-structalias.c (struct variable_info): Add
2403 no_tbaa_pruning field.
2404 (new_var_info): Initialize no_tbaa_pruning field.
2405 (unify_nodes): Copy no_tbaa_pruning field.
2406 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2407 (dump_solution_for_var): Print no_tbaa_pruning flag.
2408 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2410 (compute_tbaa_pruning): New static function.
2411 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2412 Call compute_tbaa_pruning.
2413 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2414 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2415 * gimple-low.c (lower_stmt): Likewise.
2416 * tree-gimple.c (is_gimple_stmt): Likewise.
2417 * tree-ssa-operands.c (get_expr_operands): Likewise.
2418 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2419 * tree-inline.c (estimate_num_insns_1): Likewise.
2420 (copy_result_decl_to_var): Likewise.
2421 * expr.c (expand_expr_real_1): Likewise.
2422 * tree-pretty-print.c (dump_generic_node): Likewise.
2423 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2424 * omp-low.c (omp_copy_decl_2): Likewise.
2425 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2426 * doc/c-tree.texi (Expression trees): Document
2427 CHANGE_DYNAMIC_TYPE_EXPR.
2429 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2431 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2432 with !HONOR_NANS and !HONOR_INFINITIES.
2433 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2435 2007-06-12 Tristan Gingold <gingold@adacore.com>
2437 * gcov.c: Comments updated.
2438 (source_info): Add file_time field.
2439 (source_index): New variable.
2440 (mutiple_files): New variable.
2441 (generate_results): New function extracted from process_file.
2442 (process_file): Save and restore chain of functions, generate
2443 results and free structures only if not merging results.
2444 (release_structures): File names are now freed in create_file_names
2445 (create_file_names): Free previous file names.
2446 (find_source): File date is now read here and modifications in
2447 source files is checked here.
2448 (read_graph_file): Only reverse order of functions for the current
2450 (make_gcov_file_name): Do not generate long names if input_name is
2452 (output_lines): If merging results do not display graph, data and
2454 Checking source file modification is done in find_source.
2456 * doc/gcov.texi: Append an s to sourcefile.
2458 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2460 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2461 (forced_nop): New pattern.
2462 * config/bfin/bfin.c: Include "df.h".
2463 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2464 (bfin_discover_loop): Use df_get_live_in instead of
2465 global_live_at_start.
2466 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2467 df_analyze when done.
2468 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2469 the insns. Use QImode for the final insn in a bundle. Call
2470 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2472 (reorder_var_tracking_notes): New function.
2473 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2474 update_life_info. Call df_analyze after scheduling and bundle
2475 generation. Call reorder_var_tracking_notes if generating these
2476 notes. Call df_finish_pass at the end.
2478 2007-06-12 Dirk Mueller <dmueller@suse.de>
2480 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2481 a comparison, not an assignment.
2483 2007-06-12 Olivier Hainque <hainque@adacore.com>
2485 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2486 Request walking the subtrees only, leaving the current is_lhs/val_only
2488 (convert_non_local_reference): Likewise.
2490 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2492 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2494 2007-06-12 Richard Guenther <rguenther@suse.de>
2496 PR tree-optimization/15353
2497 PR tree-optimization/31657
2498 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2499 * timevar.def: Add TV_TREE_IFCOMBINE.
2500 * tree-pass.h (pass_tree_ifcombine): Declare.
2501 * tree-ssa-ifcombine.c: New file.
2502 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2503 * tree-flow.h (blocks_in_phiopt_order): Declare.
2504 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2505 (tree-ssa-ifcombine.o): New dependencies.
2507 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2509 PR rtl-optimization/32293
2510 * combine.c (simplify_if_then_else): Truncate return from
2511 nonzero_bits() to correct mode.
2513 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2515 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2516 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2518 2007-06-11 Diego Novillo <dnovillo@google.com>
2520 * Makefile.in (reload1.o-warn): Remove.
2522 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2524 * combine.c (subst): Use reg_overlap_mentioned_p
2525 instead of comparing register numbers directly.
2527 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2529 * reload1.c (mark_home_live_1): Use the mode parameter.
2531 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2533 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2534 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2538 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2540 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2542 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2544 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2545 from integer registers.
2546 (FP mode splitters): Handle TFmode.
2548 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2550 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2551 for ref-all pointers that point-to anything.
2553 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2555 * config/arm/arm.c (arm_output_dwarf_dtprel,
2556 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2558 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2560 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2561 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2564 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2566 * gcc/tree.c (signed_or_unsigned_type_for): New.
2567 (unsigned_type_for): Use signed_or_unsigned_type_for.
2568 (signed_type_for): Use signed_or_unsigned_type_for.
2569 * gcc/tree.h (signed_or_unsigned_type_for): New.
2570 (get_signed_or_unsigned_type): Remove.
2571 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2572 lang_hooks.types.signed_type
2573 (size_diffop): Likewise.
2574 (all_ones_mask_p): Likewise.
2575 (build_range_check): Likewise.
2576 (fold_cond_expr_with_comparison): Likewise.
2577 (fold_cond_expr_with_comparison): Likewise.
2578 (unextend): Likewise.
2579 (extract_muldiv_1): Likewise.
2580 (fold_single_bit_test_into_sign_test): Likewise.
2581 (fold_binary): Likewise.
2582 (fold_ternary): Likewise.
2583 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2584 instead of get_signed_or_unsigned_type.
2585 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2586 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2587 * gcc/expr.c (signed_or_unsigned_type_for): Use
2588 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2589 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2590 (lhd_signed_or_unsigned_type): Remove.
2591 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
2592 signed_or_unsigned_type.
2593 (lhd_signed_or_unsigned_type): Remove.
2594 * gcc/expmed.c (make_tree): Use signed_type_for instead of
2595 lang_hooks.types.signed_type.
2596 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
2597 c_common_signed_type instead of lang_hooks.types.signed_type.
2598 (c_common_unsigned_type): New.
2599 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
2600 (shorten_compare): Use c_common_unsigned_type instead of
2601 c_common_signed_or_unsigned_type.
2602 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
2604 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
2605 lang_hooks.types.signed_type.
2606 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2607 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
2608 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
2609 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
2610 instead of unsigned_type_for.
2611 * gcc/c-decl.c (groakdeclarator): Likewise.
2612 * gcc/c-typeck.c (convert_for_assignment): Likewise.
2613 * gcc/c-common.h (c_common_unsigned_type): New.
2615 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2618 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
2619 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
2621 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2624 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
2625 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
2627 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
2628 Sebastian Pop <sebpop@gmail.com>
2630 * lambda-code.c (remove_iv): New.
2631 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
2633 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
2635 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
2636 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
2637 * tree-ssa-loop-prefetch.c: Include optabs.h.
2638 (FENCE_FOLLOWING_MOVNT): New macro.
2639 (struct mem_ref): Add independent_p and storent_p fields.
2640 (record_ref): Initalize the new fields.
2641 (gather_memory_references_ref): Return true if the reference
2643 (gather_memory_references): Check whether all memory accesses
2644 in loop were recorded.
2645 (should_issue_prefetch_p): Return false for nontemporal stores.
2646 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
2647 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
2648 (determine_loop_nest_reuse): Detect independent memory references.
2649 (loop_prefetch_arrays): Call mark_nontemporal_stores.
2650 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
2651 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
2652 * config/i386/i386.h (x86_mfence): Declare.
2653 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
2654 * config/i386/i386.c (x86_mfence): New variable.
2655 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
2657 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
2658 * optabs.c (init_optabs): Initialize storent_optab.
2659 * optabs.h (enum optab_index): Add OTI_storent.
2660 (storent_optab): Declare.
2661 * genopinit.c (optabs): Add initialization for storent_optab.
2662 * tree.h (MOVE_NONTEMPORAL): New macro.
2663 * expr.c (expand_assignment, store_expr, store_constructor_field,
2664 store_constructor, store_field, expand_expr_real_1): Propagate
2665 nontemporality of the expanded store.
2666 (emit_storent_insn): New function.
2667 * expr.h (expand_assignment, store_expr): Declaration changed.
2668 * function.c (assign_parm_setup_reg): Pass false as nontemporality
2669 to expand_assignment.
2670 * stmt.c (expand_asm_expr): Ditto.
2671 * calls.c (initialize_argument_information): Pass false as
2672 nontemporality to store_expr.
2673 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
2676 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2678 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
2680 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
2682 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2684 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
2685 and allow DECL_P here.
2687 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
2689 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
2690 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
2691 track of the size of the expression.
2692 * cfghooks.c (merge_blocks): Remove block from loops structure only
2693 after call of the merge_blocks hook.
2695 2007-06-09 Tom Tromey <tromey@redhat.com>
2697 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
2698 (deprecated_state): Removed.
2699 (start_decl): Update.
2700 (enum deprecated_states): Moved earlier.
2701 (groktypename): Update.
2702 (push_parm_decl): Likewise.
2703 (grokfield): Likewise.
2704 (start_function): Likewise.
2706 2007-06-09 Ian Lance Taylor <iant@google.com>
2708 PR tree-optimization/32169
2709 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
2710 CONVERT_EXPR, check whether min and max both converted to an
2711 overflow infinity representation.
2713 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
2715 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
2716 not inserted on the edge.
2718 2007-06-08 Bob Wilson <bob.wilson@acm.org>
2720 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
2721 instructions if they are supported.
2722 (__divsi3, __umodsi3, __modsi3): Likewise.
2723 (__ashldi3, __ashrdi3, __lshrdi3): New.
2724 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
2726 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
2727 Tony Linthicum <tony.linthicum@amd.com>
2729 * doc/extend.texi: Add fvect-cost-model flag.
2730 * common.opt (fvect-cost-model): New flag.
2731 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
2732 cost fields in stmt_vec_info struct for STMT.
2733 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
2734 fields in stmt_vec_info struct and access functions for the same.
2735 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
2736 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
2737 load, store and vector to scalar operation.
2738 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
2739 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
2740 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
2741 (TARG_VEC_STORE_COST): Define cost of vector store.
2742 (vect_estimate_min_profitable_iters): Define new function.
2743 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
2744 check to evaluate if loop iterations are less than minimum profitable
2745 iterations determined by cost model or minimum vect loop bound defined
2746 by user, whichever is more conservative.
2747 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
2748 run-time check to evaluate if loop iterations are less than minimum
2749 profitable iterations determined by cost model or minimum vect loop
2750 bound defined by user, whichever is more conservative.
2751 (vect_estimate_min_profitable_iterations): New function to estimate
2752 mimimimum iterartions required for vector version of loop to be
2753 profitable over scalar version.
2754 (vect_model_reduction_cost): New function.
2755 (vect_model_induction_cost): New function.
2756 (vect_model_simple_cost): New function.
2757 (vect_cost_strided_group_size): New function.
2758 (vect_model_store_cost): New function.
2759 (vect_model_load_cost): New function.
2760 (vectorizable_reduction): Call vect_model_reduction_cost during
2762 (vectorizable_induction): Call vect_model_induction_cost during
2764 (vectorizable_load): Call vect_model_load_cost during analysis phase.
2765 (vectorizable_store): Call vect_model_store_cost during analysis phase.
2766 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
2767 vectorizable_promotion, vectorizable_demotion): Call
2768 vect_model_simple_cost during analysis phase.
2770 2007-06-08 Simon Baldwin <simonb@google.com>
2772 * reg-stack.c (get_true_reg): Readability change. Moved default case
2773 label into direct switch statement scope.
2775 2007-06-08 Simon Baldwin <simonb@google.com>
2777 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
2778 in gcc_assert() with '==' comparison.
2780 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2782 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
2783 TARGET_ABM handling of x86_popcnt variable.
2785 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2787 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
2788 __builtin_copysignq and __builtin_infq built-in functions.
2790 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2792 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
2793 SSE4.2 section. Correct built-in function names in SSE4A section.
2795 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2797 PR tree-optimization/32243
2798 * tree-vect-transform.c (vectorizable_type_promotion): Move check
2799 for ncopies after ratio check between nunits_out and nunits_in.
2800 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
2802 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
2804 PR tree-optimization/32224
2805 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
2806 vectorization upon a non GIMPLE_MODIFY_STMT.
2808 2007-06-08 Christian Bruel <christian.bruel@st.com>
2811 * config/sh/sh.md (doloop_end): New pattern and splitter.
2812 * loop-iv.c (simple_rhs_p): Check for hardware registers.
2814 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
2817 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
2819 (verify_dominators): Do not change dominance tree.
2821 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
2823 * config/sh/constraints.md: New file.
2824 * config/sh/sh.c: Include tm-constrs.h.
2825 (reg_class_from_letter): Remove.
2826 (prepare_cbranch_operands): Use satisfies_constraint_*
2827 function instead of macro.
2828 (andcosts, broken_move, sh_secondary_reload): Likewise.
2829 * config/sh/predicates.md (trapping_target_operand): Likewise.
2830 (and_operand, arith_operand, arith_reg_or_0_operand,
2831 cmp_operand, logical_operand, target_operand,
2832 ua_address_operand, ua_offset, xor_operand): Likewise.
2833 * config/sh/sh.md: Include constraints.md.
2834 (*movsicc_t_false): Use satisfies_constraint_* function
2836 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
2837 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
2838 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
2839 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
2840 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
2841 (REG_CLASS_FROM_CONSTRAINT): Remove.
2842 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
2843 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
2844 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
2845 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
2846 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
2847 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
2848 function instead of macro.
2849 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2850 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
2851 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
2852 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
2853 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
2854 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
2855 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
2856 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
2857 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
2858 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
2859 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
2860 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
2861 EXTRA_CONSTRAINT_STR): Likewise.
2862 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
2864 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2866 * config/i386/darwin.h (STACK_BOUNDARY): Define.
2868 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
2871 * c-common.h (flag_cpp0x): Replaced by...
2872 (cxx_dialect): ... this new variable specifying the C++ dialect that
2874 * c-common.c (flag_cpp0x): Removed.
2875 (cxx_dialect): Defined.
2876 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
2878 * c-opts.c (c_common_post_options): Likewise.
2879 (set_std_cxx98): Set cxx_dialect to cxx98.
2880 (set_std_cxx0x): Set cxx_dialect to cxx0x.
2882 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2883 Hui-May Chang <hm.chang@apple.com>
2885 * doc/invoke.texi (Darwin Options): Update documentation for
2886 -mmacosx-version-min.
2887 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
2888 * config/darwin-driver.c: New file.
2889 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
2890 * config/t-darwin (darwin-driver.o): New rule.
2892 * config/darwin-c.c (version_as_macro): Ignore low digit.
2894 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
2896 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
2897 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
2898 (CSGNMODE): New mode macro.
2899 (CSGNVMODE): New mode attribute.
2900 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
2901 expander using CSGNMODE mode macro. Handle TFmode.
2902 (copysign<mode>3_const): Rename from copysignsf3_const and
2903 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
2905 (copysign<mode>3_var): Rename from copysignsf3_var and
2906 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
2908 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
2909 mode macro. Handle TFmode.
2910 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
2911 (iortf3, *iortf3): Ditto.
2912 (xortf3, *xortf3): Ditto.
2913 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
2914 TFmode and TImode masks.
2915 (ix86_expand_copysign): Expand TFmode copysign insn.
2916 (IX86_BUILTIN_INFQ): New.
2917 (IX86_BUILTIN_FABSQ): Ditto.
2918 (IX86_BUILTIN_COPYSIGNQ): Ditto.
2919 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
2920 [__builtin_fabsq]: Ditto.
2921 [__builtin_copysignq]: Ditto.
2922 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
2923 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
2924 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
2925 ix86_expand_binop_builtin().
2927 2007-06-07 Bob Wilson <bob.wilson@acm.org>
2929 * config/xtensa/lib1funcs.asm: Clean up whitespace.
2931 2007-06-07 Steve Ellcey <sje@cup.hp.com>
2934 * rtl.h (push_to_sequence2): New.
2935 * emit-rtl.c (push_to_sequence2): New.
2936 * function.c (assign_parm_data_all): Add new fields.
2937 (assign_parm_setup_block): Call push_to_sequence2 instead of
2939 (assign_parm_setup_reg): Ditto.
2940 (assign_parm_setup_stack): Ditto.
2941 (assign_parms_unsplit_complex): Ditto.
2942 (assign_parms): Change field name.
2944 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2946 PR tree-optimization/32220
2947 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
2948 phi node is reached before defining statement.
2950 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2953 * tree-vect-transform.c (vectorizable_call): Call update_stmt
2954 after changing the right hand side of the assignment.
2956 2007-06-06 Eric Christopher <echristo@apple.com>
2958 * config.gcc (i?86-*-darwin*): Remove arch parameter.
2959 (x86_64-*-darwin*): Ditto.
2960 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
2961 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
2963 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2965 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
2967 (add_key): Likewise.
2968 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
2969 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
2971 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
2973 (add_cost_one_coalesce): Likewise.
2974 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
2975 variable names. Rename orig to orig_name for consistency.
2976 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
2978 (cprop_into_successor_phis): Avoid using C++ keywords as variable
2980 (record_equivalences_from_stmt): Likewise.
2981 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
2982 the coding conventions.
2983 (memory_ssa_name_same): Likewise.
2984 (dse_optimize_stmt): Likewise.
2985 (dse_record_phis): Likewise.
2986 (dse_finalize_block): Likewise.
2987 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
2988 keywords as variable names.
2989 (may_move_till): Cast according to the coding conventions.
2990 (force_move_till_expr): Avoid using C++ keywords as variable names.
2991 (force_move_till): Cast according to the coding conventions.
2992 (memref_hash): Likewise.
2993 (memref_eq): Likewise.
2994 (gather_mem_refs_stmt): Likewise.
2995 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
2996 using C++ keywords as variable names.
2997 (idx_find_step): Cast according to the coding conventions.
2998 (idx_record_use): Likewise.
2999 (find_depends): Likewise.
3000 (prepare_decl_rtl): Likewise.
3001 (mbc_entry_hash): Likewise.
3002 (mbc_entry_eq): Likewise.
3003 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
3004 (simplify_replace_tree): Avoid using C++ keywords as variable names.
3005 (idx_infer_loop_bounds): Cast according to the coding conventions.
3006 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
3007 * tree-ssa-math-opts.c (occ_new ): Likwise.
3008 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
3010 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
3012 (add_use_op): Likewise.
3013 (add_vop): Likewise.
3014 (add_vuse_op): Likewise.
3015 (add_vdef_op): Likewise.
3016 (get_expr_operands): Likewise.
3017 (push_stmt_changes): Use type safe memory macros.
3018 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
3019 keywords as variable names.
3020 (conditional_replacement): Likewise.
3021 (minmax_replacement): Likewise.
3022 (abs_replacement): Likewise.
3023 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
3025 (insert_fake_stores): Avoid using C++ keywords as variable names.
3026 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
3028 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
3029 (heapvar_insert): Use type safe memory macros.
3030 (new_var_info): Cast according to the coding conventions.
3031 (new_constraint): Likewise.
3032 (remove_preds_and_fake_succs): Use type safe memory macros.
3033 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
3035 (thread_single_edge): Likewise.
3036 (thread_through_loop_header): Likewise.
3038 2007-06-06 Eric Christopher <echristo@apple.com>
3040 * config/i386/i386.c (override_options): Move handling
3041 of TARGET_SUBTARGET* earlier.
3043 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
3045 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
3048 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
3050 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
3051 emited outside of basic block.
3052 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
3054 * rtl.h (delete_insn_chain): Declaration changed.
3055 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
3057 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
3058 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
3059 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
3060 to delete_insn_chain.
3061 (rtl_verify_flow_info_1): Verify that the insns in header and footer
3062 do not have bb field set.
3063 (rtl_verify_flow_info): Verify that insns between basic blocks do not
3065 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
3066 * cfgcleanup.c (try_optimize_cfg): Ditto.
3068 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3070 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
3071 (lambda_body_vector_new): Use type safe memory macros.
3072 (lambda_linear_expression_new): Likewise.
3073 (lambda_loopnest_new): Likewise.
3074 (lambda_lattice_new): Likewise.
3075 (replace_uses_equiv_to_x_with_y): Cast according to the coding
3076 conventions. Use type safe memory macros.
3077 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
3078 (lambda_body_vector_s): Likewise.
3079 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
3080 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
3082 2007-06-06 Richard Guenther <rguenther@suse.de>
3084 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
3085 if we need to schedule cfg_cleanup.
3086 (tree_ssa_forward_propagate_single_use_vars): Do so.
3088 2007-06-06 Ian Lance Taylor <iant@google.com>
3090 * fold-const.c (merge_ranges): If range_successor or
3091 range_predecessor fail, just return 0.
3093 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3095 PR tree-optimization/32216
3096 * tree-vectorizer.c (supportable_widening_operation): Determine
3097 signedness of FIX_TRUNC_EXPR from output operand.
3098 (supportable_narrowing_operation): Ditto.
3099 * tree-vect-generic.c (expand_vector_operations_1): Determine
3100 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
3103 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3105 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
3106 (struct pta): ...from here. Change flags to unsigned to avoid
3107 excessive casting (as it is used as a bit mask).
3108 (override_options): Add casts according to the coding convenventions.
3109 (x86_64_elf_unique_section): Likewise.
3110 (examine_argument): Avoid using C++ keywords as variable names.
3111 (construct_container): Likewise.
3112 (legitimize_pic_address): Likewise.
3113 (get_dllimport_decl): Cast according to the coding conventions. Use
3114 type safe memory macros.
3115 (legitimize_address): Cast according to the coding conventions.
3116 (emit_i387_cw_initialization): Corrected the type of slot to enum
3118 (ix86_init_machine_status): Use type safe memory macros.
3119 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
3120 (bdesc_pcmpistr): Likewise.
3121 (bdesc_crc32): Likewise.
3122 (bdesc_sse_3arg): Likewise.
3123 (bdesc_2arg): Likewise.
3124 (bdesc_1arg): Likewise.
3125 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
3126 (ix86_expand_sse_pcmpistr): Likewise.
3127 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
3128 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
3129 int to match the langhook definition.
3130 (ix86_builtin_conversion): Change the type of code to unsigned init to
3131 match the langhook definition.
3132 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
3134 (ix86_preferred_output_reload_class): Likewise.
3135 (ix86_cannot_change_mode_class): Likewise.
3136 (ix86_memory_move_cost): Likewise.
3137 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
3138 avoid excessive casting later on.
3139 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
3141 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3143 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
3144 as flags setting insn.
3145 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
3147 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3149 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
3150 (UNSPEC_ROUND): New.
3151 ("sse4_1_round<mode>2"): New insn pattern.
3152 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
3154 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
3155 expander using SSEMODEF mode macro. Expand using
3156 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3157 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
3158 expander using SSEMODEF mode macro. Expand using
3159 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3160 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
3161 expander using SSEMODEF mode macro. Expand using
3162 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3163 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
3164 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
3165 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
3168 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
3169 Sebastian Pop <sebpop@gmail.com>
3171 * lambda.h (build_linear_expr): New.
3172 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
3173 Use build_linear_expr, call fold and force_gimple_operand.
3174 (lambda_loopnest_to_gcc_loopnest): Check that there is
3175 something to insert.
3176 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
3178 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3180 PR preprocessor/23479
3181 * doc/extend.texi: Document the 0b-prefixed binary integer
3184 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3186 PR tree-optimization/32215
3187 * tree-vectorizer.c (supportable_widening_operation): Return false
3188 for unsupported FIX_TRUNC_EXPR tree code.
3189 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
3191 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
3193 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
3194 register on SPE targets. Change documentation to reflect
3196 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
3197 Change FIXED_SCRATCH to 14 and document why we're keeping r14
3198 out of the register allocation pool.
3199 (rs6000_reg_live_or_pic_offset_p): New function.
3200 (rs6000_emit_prologue): Move the actual saving of LR up to free
3201 r0 for holding r11. Split saving of SPE 64-bit registers into
3202 its own case. Ensure that offsets will always be in-range for
3203 'evstdd' by using r11 as a scratch register to point at the start
3204 of the SPE save area. Save r11 if necessary, as it is the static
3206 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
3207 into its own case. Ensure that offsets will always be in-range
3208 for 'evldd' by using r11 as a scratch register to point at the
3209 start of the SPE save area. Also adjust r11 when restoring
3210 the stack pointer to compensate for pre-loading r11.
3212 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
3214 * cfg.c (init_flow): Use type safe memory macros.
3215 (alloc_block): Likewise.
3216 (unchecked_make_edge): Likewise.
3217 (dump_flow_info): Avoid using C++ keywords as variable names.
3218 (copy_original_table_clear): Cast according to the coding conventions.
3219 (copy_original_table_set): Likewise.
3220 * cfgexpand (label_rtx_for_bb): Likewise.
3221 (expand_gimple_basic_block): Likewise.
3222 * cfghooks.c (dump_bb): Likewise.
3223 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
3225 (lv_add_condition_to_bb): Likewise.
3226 * cfglayout (relink_block_chain): Cast according to the coding
3228 (fixup_reorder_chain): Likewise.
3229 (fixup_fallthru_exit_predecessor): Likewise.
3230 * cfgloop.c (glb_enum_p): Likewise.
3231 (get_exit_description): Likewise.
3232 (dump_recorded_exit): Likewise.
3233 * cfgloop.h (enum loop_estimation): Move out of struct scope...
3234 (struct loop): ... from here.
3235 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
3237 * cfgrtl.c (rtl_create_basic_block): Likewise.
3238 (rtl_split_block): Likewise.
3239 (rtl_dump_bb): Likewise.
3240 (cfg_layout_split_block): Likewise.
3241 (init_rtl_bb_info): Use typesafe memory macros.
3243 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
3244 * graphds.h: Updated all usages of edge to graph_edge.
3245 * graphds.c: Likewise.
3246 * cfgloopanal.c: Likewise.
3248 2007-06-05 Ian Lance Taylor <iant@google.com>
3250 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
3251 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
3252 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
3254 (test_for_singularity): Likewise.
3256 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3258 * config/i386/constraints.md ("Y2"): Replaced by ...
3260 * config/i386/i386.md: Likewise.
3261 * config/i386/mmx.md: Likewise.
3262 * config/i386/sse.md: Likewise.
3264 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3266 * config/i386/constraints.md ("z"): Replaced by ...
3268 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
3269 (sse4_1_blendvps): Likewise.
3270 (sse4_1_pblendvb): Likewise.
3271 (sse4_2_pcmpestr): Likewise.
3272 (sse4_2_pcmpestrm): Likewise.
3273 (sse4_2_pcmpestr_cconly): Likewise.
3274 (sse4_2_pcmpistr): Likewise.
3275 (sse4_2_pcmpistrm): Likewise.
3276 (sse4_2_pcmpistr_cconly): Likewise.
3278 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
3280 * matrix-reorg.c (transform_access_sites): Fix computation.
3281 (transform_allocation_sites): Same.
3283 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3285 * config/i386/i386.c (override_options): Use
3286 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
3288 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3290 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
3291 (nonimm_not_xmm0_operand): Ditto.
3292 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
3293 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
3294 as operand[2] predicate. Require "z" class XMM register for
3295 operand[3]. Adjust asm template.
3296 ("sse4_1_blendvpd"): Ditto.
3297 ("sse4_1_pblendvb"): Ditto.
3298 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
3299 force op2 into xmm0 register for variable blend instructions.
3301 2007-06-04 Tom Tromey <tromey@redhat.com>
3303 * c-tree.h (start_enum): Update.
3304 (build_enumerator): Likewise.
3305 * c-decl.c (enum_next_value): Removed.
3306 (enum_overflow): Likewise.
3307 (start_enum): Add c_enum_contents argument. Don't use globals.
3308 (build_enumerator): Likewise.
3309 * c-tree.h (struct c_enum_contents): New struct.
3311 2007-06-04 Tom Tromey <tromey@redhat.com>
3313 * c-common.c (c_common_get_alias_set): Fix indentation.
3315 2007-06-04 Ian Lance Taylor <iant@google.com>
3317 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
3318 to overflow, reduce overflow infinity to regular infinity.
3319 (vrp_var_may_overflow): New static function.
3320 (vrp_visit_phi_node): Check vrp_var_may_overflow.
3322 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
3324 * stor-layout.c (layout_type): Remove duplicate code.
3326 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
3329 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
3330 before build_common_builtin_nodes ().
3332 2007-06-04 Steve Ellcey <sje@cup.hp.com>
3335 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
3337 2007-06-04 Jan Hubicka <jh@suse.cz>
3339 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
3340 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
3341 instead of _stat version.
3343 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3345 PR tree-optimization/32194
3346 * tree-predcom.c (determine_offset): Check that both references have
3349 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3351 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
3352 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
3353 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3354 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
3355 Add argument to iterate_fix_dominators call.
3356 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
3357 * gcse.c (hoist_code): Change domby to vector.
3358 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
3359 Add argument to iterate_fix_dominators call.
3360 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3361 recompute_dominator.
3362 * lambda-code.c (perfect_nestify): Ditto.
3363 * cfgloopanal.c: Include graphds.h.
3364 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3365 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3366 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3368 * graphds.c: New file.
3369 * graphds.h: New file.
3370 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3371 (get_dominated_by, get_dominated_by_region): Change return type to
3373 (verify_dominators): Recompute all dominators and compare the results.
3374 (recount_dominator): Renamed to ...
3375 (recompute_dominator): ... this. Do not check that the block is
3377 (iterate_fix_dominators): Reimplemented.
3378 (prune_bbs_to_update_dominators, root_of_dom_tree,
3379 determine_dominators_for_sons): New functions.
3380 * et-forest.c (et_root): New function.
3381 * et-forest.h (et_root): Declare.
3382 * Makefile.in (graphds.o): Add.
3383 (cfgloopanal.o): Add graphds.h dependency.
3384 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3385 * basic-block.h (get_dominated_by, get_dominated_by_region,
3386 iterate_fix_dominators): Declaration changed.
3387 (recount_dominator): Renamed to ...
3388 (recompute_dominator): ... this.
3389 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3390 (thread_through_all_blocks): Do not free dominance info.
3392 2007-06-03 Andreas Schwab <schwab@suse.de>
3394 * config/m68k/m68k.c (override_options): Don't override
3396 * config/m68k/m68k-modes.def (SF, DF): Define to use
3397 motorola_single_format and motorola_double_format, resp.
3398 * real.c (motorola_single_format): Renamed from
3399 coldfire_single_format.
3400 (motorola_double_format): Renamed from coldfire_double_format.
3401 (encode_ieee_extended): Generate a proper canonical NaN image
3402 respecting canonical_nan_lsbs_set.
3403 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3405 * real.h: Adjust declarations.
3407 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3410 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3411 the symbol is generated with the stack protector.
3413 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3415 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3416 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3418 * doc/extend.texi (interrupt): Mention m68k.
3420 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3422 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3423 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3424 (ix86_expand_sse_pcmpestr): Do not check operands for
3425 "register_operand", when insn operand predicate is "register_operand".
3426 (ix86_expand_sse_pcmpistr): Ditto.
3428 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3429 Uros Bizjak <ubizjak@gmail.com>
3431 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3432 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3433 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3434 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3435 * config/i386/constraints.md ("z"): New register constraint
3436 for members of SSE_FIRST_REG class.
3437 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3438 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3439 SSE_FIRST_REG class.
3440 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3441 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3442 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3443 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3444 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3445 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3446 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3447 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3448 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3449 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3450 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3451 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3452 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3453 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3454 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3455 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3456 (struct builtin_description): Change "flag" field to unsigned.
3457 (bdesc_pcmpestr): New builtin description table.
3458 (bdesc_pcmpistr): Likewise.
3459 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3460 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3461 Initialize pcmp[ei]str[im] insns for SSE4.2.
3462 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3463 (ix86_expand_sse_pcmpistr): Likewise.
3464 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3465 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3466 (UNSPEC_PCMPISTR): Likewise.
3467 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3468 (sse4_2_pcmpestri):New isns pattern.
3469 (sse4_2_pcmpestrm): Likewise.
3470 (sse4_2_pcmpestr_cconly): Likewise.
3471 (sse4_2_pcmpistr): New insn patern and splitter.
3472 (sse4_2_pcmpistri):New isns pattern.
3473 (sse4_2_pcmpistrm): Likewise.
3474 (sse4_2_pcmpistr_cconly): Likewise.
3475 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3478 2007-06-01 David Daney <ddaney@avtrex.com>
3480 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3481 LOADGP_ABSOLUTE and not binds_local_p.
3483 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3485 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3487 2007-06-01 Ian Lance Taylor <iant@google.com>
3489 * tree-vrp.c (compare_name_with_value): Always set
3490 used_strict_overflow if we get a result from the variable itself.
3492 2007-06-01 Ian Lance Taylor <iant@google.com>
3494 PR rtl-optimization/31455
3495 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3496 subregs which have a cast between modes which are not tieable.
3498 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3500 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3501 breaks after return statements.
3503 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3505 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3506 only after no_new_pseudos.
3508 2007-05-31 Eric Christopher <echristo@apple.com>
3510 * expr.c (convert_move): Assert that we don't have a BLKmode
3512 (store_expr): Handle BLKmode moves by calling emit_block_move.
3514 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3516 * c-typeck.c (build_indirect_ref): Include type in error message.
3517 (build_binary_op): Pass types to binary_op_error.
3518 * c-common.c (binary_op_error): Take two type arguments, print out
3520 * c-common.h (binary_op_error): Update prototype.
3522 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3524 * config/i386/i386.c: Correct coments on -mno-sse4.
3526 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3528 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3529 (x86_64-*-*): Likewise.
3530 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3531 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3532 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3533 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3534 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3535 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3536 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3537 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3538 (OPTION_MASK_ISA_SSE4): Likewise.
3539 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3540 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3541 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3542 (override_options): Support SSE4.2.
3543 (ix86_build_const_vector): Support SImode and DImode.
3544 (ix86_build_signbit_mask): Likewise.
3545 (ix86_expand_int_vcond): Support V2DImode.
3546 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3547 (IX86_BUILTIN_CRC32HI): Likewise.
3548 (IX86_BUILTIN_CRC32SI): Likewise.
3549 (IX86_BUILTIN_CRC32DI): Likewise.
3550 (IX86_BUILTIN_PCMPGTQ): Likewise.
3551 (bdesc_crc32): Likewise.
3552 (bdesc_sse_3arg): Likewise.
3553 (ix86_expand_crc32): Likewise.
3554 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3555 (ix86_expand_builtin): Likewise.
3556 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3557 __SSE4_2__ for -msse4.2.
3558 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3559 (CRC32MODE): Likewise.
3560 (crc32modesuffix): Likewise.
3561 (crc32modeconstraint): Likewise.
3562 (sse4_2_crc32<mode>): Likewise.
3563 (sse4_2_crc32di): Likewise.
3564 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3566 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3567 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3568 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3569 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3570 (vcondu<mode>): Likewise.
3571 * doc/extend.texi: Document SSE4.2 built-in functions.
3572 * doc/invoke.texi: Document -msse4.2/-msse4.
3574 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3576 PR tree-optimization/32160
3577 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3578 variable as gimple reg.
3579 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3581 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3583 * gcc.c (main): Don't consider linker options when issuing the
3584 warning about a linker input file not being used.
3586 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3588 * tree-vrp.c (compare_names): Initialize sop.
3590 2007-05-30 Dirk Mueller <dmueller@suse.de>
3592 * cgraphunit.c (cgraph_analyze_function): Remove
3593 computation of inline parameters.
3595 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3597 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
3599 2007-05-30 Richard Sandiford <richard@codesourcery.com>
3601 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
3602 Add vx-common.h. Include vxworks.h between vx-common.h and
3604 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
3606 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
3607 (TARGET_ASM_DESTRUCTOR): Likewise.
3608 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
3609 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
3610 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3611 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
3612 (VXWORKS_ENDIAN_SPEC): Define.
3613 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
3614 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
3615 VXWORKS_* equivalents.
3616 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
3617 (ASM_FILE_START): Delete.
3618 (TARGET_VERSION): Reformat.
3619 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
3620 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
3621 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3622 (FPBIT, DPBIT): Define.
3623 (fp-bit.c, dp-bit.c): New rules.
3624 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
3625 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
3626 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
3627 * config/arm/arm.h: Include vxworks-dummy.h.
3628 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
3629 Mark with ATTRIBUTE_UNUSED.
3630 (arm_override_options): Do not allow VxWorks RTP PIC to be used
3631 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
3632 make it incompatible with -msingle-pic-base.
3633 (arm_function_ok_for_sibcall): Return false for calls that might
3634 go through a VxWorks PIC PLT entry.
3635 (require_pic_register): New function, split out from...
3636 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
3638 (arm_load_pic_register): Handle the VxWorks RTP initialization
3639 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
3640 (arm_emit_call_insn): New function.
3641 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
3642 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
3643 (pic_offset_arm): New pattern.
3644 (call, call_value): Use arm_emit_call_insn.
3645 (call_internal, call_value_internal): New expanders.
3646 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
3647 VxWorks unless __PIC__.
3649 2007-05-30 Eric Christopher <echristo@gmail.com>
3651 * genrecog.c: Include regs.h in generated file.
3652 * genemit.c: Ditto. Fix up formatting.
3653 * config/mn10300/constraints.md: New.
3654 * config/mn10300/mn10300.md: Include.
3655 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
3656 Fix up for removed macro.
3657 * config/mn10300/predicates.md (call_address_operand): Ditto.
3658 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
3659 (CONST_OK_FOR_I): Ditto.
3660 (CONST_OK_FOR_J): Ditto.
3661 (CONST_OK_FOR_K): Ditto.
3662 (CONST_OK_FOR_L): Ditto.
3663 (CONST_OK_FOR_M): Ditto.
3664 (CONST_OK_FOR_N): Ditto.
3665 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
3669 (EXTRA_CONSTRAINT): Ditto.
3671 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3673 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
3675 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
3676 OPTION_MASK_ISA_64BIT.
3677 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
3679 2007-05-30 Richard Guenther <rguenther@suse.de>
3682 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
3683 types for comparison.
3684 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
3685 with original typed arguments.
3686 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
3688 2007-05-30 Jakub Jelinek <jakub@redhat.com>
3690 PR tree-optimization/31769
3691 * except.c (duplicate_eh_regions): Clear prev_try if
3692 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
3694 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3696 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
3697 * tree-ssa-sink.c (statement_sink_location): Return basic block and
3698 bsi of the location where statements should be inserted.
3699 (sink_code_in_bb): Take bsi from statement_sink_location.
3700 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
3701 instead of bsi_start.
3702 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
3704 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
3705 (bsi_move_before): Document inconsistency with bsi_move_after.
3706 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
3708 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3710 * config/i386/i386.h (TARGET_ABM): New define.
3711 (TARGET_POPCNT): Ditto.
3712 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
3713 New temporary defines to redefine from OPTION_ISA_* defines.
3714 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
3715 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
3716 (ix86_isa_flags): New extern int declaration.
3717 (TARGET_SUBTARGET_DEFAULT): New define.
3718 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
3719 (TARGET_SUBTARGET32_DEFAULT): Ditto.
3720 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
3721 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3722 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
3723 * config/i386/darwin.h: Change TARGET_64BIT define to
3726 * config/i386/i386.opt (m3dnowa): Define as undocumented option
3727 using existing "ix86_isa_flags" varible.
3728 (m32, m64): Use existing "ix86_isa_flags" variable.
3729 (mmmx, m3dnow): Ditto.
3730 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
3731 (mabm): Define as non-negative option using "x86_abm" variable.
3732 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
3734 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
3735 Rewrite feature test bitmap.
3736 (ix86_isa_flags): New initialized global int varible.
3737 (ix86_isa_flags_explicit): New static int variable.
3738 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
3739 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
3740 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
3741 target_flags_explicit.
3742 (override_options): Remove "target_enable" and "target_disable" fields
3743 from "struct ptt". Update processor_target_table accordingly. Remove
3744 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
3745 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
3746 "target_flags" and "ix86_isa_flags_explicit" instead of
3747 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
3748 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
3749 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
3750 to true when either of PTA_POPCNT or PTA_ABM is set in
3751 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
3752 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
3753 processor_alias_table flags entry. Remove handling of
3754 "target_enable" and "target_disable" fields of processor_target_table.
3755 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
3756 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
3757 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
3758 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
3759 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
3761 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
3763 2007-05-29 David Daney <ddaney@avtrex.com>
3766 * config/mips/mips.c (mips_output_mi_thunk): Emit
3767 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
3769 2007-05-29 Hui-May Chang <hm.chang@apple.com>
3770 * config/i386/i386.c (ix86_function_regparm): Added checking of
3771 ix86_force_align_arg_pointer to determine the number of
3772 register parameters.
3774 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
3776 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
3777 (SET_DR_MISALIGNMENT): New.
3778 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
3779 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
3780 Use SET_DR_MISALIGNMENT.
3781 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
3783 * tree-data-ref.c (create_data_ref, compute_all_dependences,
3784 find_loop_nest): Export.
3785 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
3786 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
3787 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
3788 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
3790 (struct mem_ref): Add field reuse_distance.
3791 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
3792 Initialize reuse_distance field.
3793 (issue_prefetch_ref): Select temporality of prefetch according to
3795 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
3796 self_reuse_distance, determine_loop_nest_reuse): New functions.
3797 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
3798 (tree_ssa_prefetch_arrays): Dump L2 cache size.
3799 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
3802 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
3804 * tree-ssa-alias.c: Add aliasing overview.
3806 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
3807 Danny Smith <dannysmith@users.sourceforge.net>
3810 * config/i386/t-crtfm: Compile crtfastmath.o with
3811 -minline-all-stringops.
3812 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
3813 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
3815 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3817 * doc/md.texi: Document constraints on HP PA-RISC.
3819 * pa/constraints.md: New file.
3820 * pa.md: Include constraints.md.
3821 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
3822 (integer_store_memory_operand, ldil_cint_p): New functions.
3823 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
3824 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
3825 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
3826 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
3827 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
3829 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
3832 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
3833 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
3834 case POSTDECREMENT_EXPR>): Return the error_mark_node
3835 if either the real or imaginary parts would an
3838 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
3840 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
3841 name when we remove it from a call.
3843 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
3845 * targhooks.c (default_narrow_bitfield): Remove.
3846 * targhooks.h: Remove the prototype for
3847 default_narrow_bitfield.
3849 * langhooks-def.h: Remove the prototype for
3850 hook_get_alias_set_0.
3851 * langhooks.c (hook_get_alias_set_0): Remove.
3853 * global.c (EXECUTE_IF_CONFLICT): Remove.
3855 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3858 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
3859 return true when truth_value_p is true and the type
3862 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
3864 * doc/install.texi (Prerequisites): We no longer require Autoconf
3865 2.13 for the top-level.
3867 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
3869 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
3870 memory access via x86_expand_vector_move_misalign() only for
3871 TImode values on 32-bit targets.
3873 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
3875 * matrix-reorg.c: New file. Implement matrix flattening and
3876 transposing optimization.
3877 * tree-pass.h: Add matrix reorg pass.
3878 * common.opt: Add fipa-mreorg flag.
3879 * Makefile.in: Add matrix-reorg.c.
3880 * passes.c: Add matrix reorg pass.
3881 * varpool.c (add_new_static_var): New function.
3882 * cgraph.h (add_new_static_var): Declare.
3884 2007-05-27 Eric Christopher <echristo@apple.com>
3886 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
3887 sp_offset depending on stack size. Save r12 depending
3888 on registers we're saving later.
3889 (rs6000_emit_epilogue): Update sp_offset depending only
3892 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
3894 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
3895 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3896 * ifcvt.c (if_convert): Ditto.
3897 * tree-ssa-threadupdate.c (thread_block): Ditto.
3898 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
3899 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
3900 verify_loop_closed_ssa): Check number_of_loops instead of
3902 * predict.c (tree_estimate_probability): Ditto.
3903 * tree-if-conv.c (main_tree_if_conversion): Ditto.
3904 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3905 * modulo-sched.c (sms_schedule): Ditto.
3906 * tree-scalar-evolution.c (scev_const_prop): Ditto.
3907 (scev_finalize): Do not do anything if scev analysis was not
3909 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
3910 current_loops == NULL.
3911 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
3912 * loop-init.c (loop_optimizer_init): Do not free current_loops when
3914 (loop_optimizer_finalize): Assert that loops were analyzed.
3915 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
3916 rtl_doloop): Check number_of_loops instead of current_loops.
3917 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
3918 current_loops == NULL.
3919 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
3920 gate_tree_vectorize tree_linear_transform, check_data_deps,
3921 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3922 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
3923 Check number_of_loops instead of current_loops.
3924 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
3925 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
3926 free loops if available.
3927 (execute_pre): Do not pass do_fre to fini_pre.
3929 2007-05-27 Tobias Burnus <burnus@net-b.de>
3932 * real.c (mpfr_from_real): Fix sign of -Inf.
3934 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
3936 * tree-vect-transform.c (vectorizable_conversion): Initialize
3937 tree_code variables to ERROR_MARK.
3938 (vectorizable_type_demotion): Likewise.
3939 (vectorizable_type_promotion): Likewise.
3941 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3944 * config/i386/i386.md (movti): Handle push operands via
3947 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3949 * basic-block.h: Remove the prototype for merge_seq_blocks.
3950 * cfgcleanup.c (merge_seq_blocks): Remove.
3952 * tree-flow.h: Remove the prototype for is_aliased_with.
3953 * tree-ssa-alias.c (is_aliased_with): Remove.
3955 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
3957 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
3959 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
3961 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
3962 ix86_expand_sse4_unpack if SSE4.1 is enabled.
3963 (vec_unpacks_hi_v16qi): Likewise.
3964 (vec_unpacku_lo_v16qi): Likewise.
3965 (vec_unpacks_lo_v16qi): Likewise.
3966 (vec_unpacku_hi_v8hi): Likewise.
3967 (vec_unpacks_hi_v8hi): Likewise.
3968 (vec_unpacku_lo_v8hi): Likewise.
3969 (vec_unpacks_lo_v8hi): Likewise.
3970 (vec_unpacku_hi_v4si): Likewise.
3971 (vec_unpacks_hi_v4si): Likewise.
3972 (vec_unpacku_lo_v4si): Likewise.
3973 (vec_unpacks_lo_v4si): Likewise.
3975 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
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