1 2007-07-05 Adam Nemet <anemet@caviumnetworks.com>
3 * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
4 IORing with a constant.
6 2007-07-05 Seongbae Park <seongbae.park@gmail.com>
8 PR rtl-optimization/32475
9 * df-scan.c (df_def_record_1): Add a use of the stack pointer
10 for every definition of the stack pointer.
12 2007-07-05 Richard Earnshaw <rearnsha@arm.com>
14 * arm.c (vfp3_const_double_index): Copy signed results of
15 REAL_VALUE_TO_INT into unsigned vars.
17 2007-07-05 Richard Guenther <rguenther@suse.de>
20 * alias.c (get_alias_set): Tread METHOD_TYPE the same as
22 * tree-ssa.c (useless_type_conversion_p): Check canonical
25 2007-07-05 Anatoly Sokolov <aesok@post.ru>
27 * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
28 zero_extendhisi2): Change to define_insn_and_split.
29 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
31 2007-07-05 Paolo Bonzini <bonzini@gnu.org>
33 * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
34 pass_match_asm_constraints): New.
35 * passes.c (init_optimization_passes): Add new pass.
36 * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
37 * function.h (struct function): Add has_asm_statement bit.
38 (current_function_has_asm_statement): New.
39 * tree-pass.h (pass_match_asm_constraints): New.
41 2007-07-05 Richard Sandiford <rsandifo@nildram.co.uk>
43 * config/mips/mips.c (mips_file_start): Avoid declaration
46 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
48 * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
50 2007-07-05 Uros Bizjak <ubizjak@gmail.com>
52 * rtl.def (NOTE): Change print format string to print
53 operand 5 as a note insn name.
55 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
56 David Ung <davidu@mips.com>
58 * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
59 * doc/invoke.texi: (MIPS Options): Document them.
61 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
62 David Ung <davidu@mips.com>
64 Add support for SmartMIPS ASE.
66 * optabs.c (expand_binop_directly): New, broken out from...
67 (expand_binop): Here. Make it try rotating in the other
68 direction even when the second operand isn't constant.
69 * config/mips/mips.md (*lwxs): New.
70 * config/mips/mips.opt (msmartmips): New.
71 * config/mips/mips.c (mips_lwxs_address_p): New.
72 (mips_rtx_costs): Make it recognize scaled indexed addressing.
73 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
74 __mips_smartmips when compiling for TARGET_SMARTMIPS.
75 (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
77 (ASM_SPEC): Add -msmartmips/-mno-smartmips.
78 * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
79 * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
80 * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
81 * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
82 * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
83 * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
85 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
87 * tree-vectorizer.c (new_loop_vec_info): Initialize
88 LOOP_VINFO_COST_MODEL_MIN_ITERS.
89 * tree-vectorizer.h (_loop_vec_info): Added new filed
91 (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
92 (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
93 * tree-vect-analyze.c (vect_analyze_operations): Set
94 LOOP_VINFO_COST_MODEL_MIN_ITERS.
95 * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
96 VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
97 Fix calculation of peel_iters_prologue. Move consideration of epilogue
98 and prologue cost to after they are computed.
99 (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
101 (vect_model_simple_cost): Takes additional argument dt. Consider cost
102 of creating vectors from scalars according to dt.
103 (vect_model_store_cost): Likewise.
104 (vectorizable_call): Use dt array instead of scalar dt. Call
105 vect_model_simple_cost with additional argument dt.
106 (vectorizable_assignment): Likewise.
107 (vectorizable_operation): Likewise.
108 (vectorizable_type_demotion): Likewise.
109 (vectorizable_type_promotion): Likewise.
110 (vectorizable_store): Use dt array instead of scalar dt. Call
111 vect_model_store_cost with additional argument dt.
112 (vect_do_peeling_for_loop_bound): Don't call
113 vect_estimate_min_profitable_iters. Instead, lookup
114 LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
115 "may not be profitable".
117 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
120 * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
121 (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
122 (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
123 (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
125 2007-07-05 Zdenek Dvorak <dvorakz@suse.cz>
127 * config/i386/i386.c (ix86_address_cost): Do not consider more complex
128 addressing modes cheaper.
130 2007-07-05 Alexandre Oliva <aoliva@redhat.com>
132 * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
133 (dw_ranges_struct): Rename block_num to num. Adjust.
134 (dw_ranges_by_label_struct): New.
135 (ranges_by_label, ranges_by_label_allocated,
136 ranges_by_label_in_use): New variables.
137 (add_ranges_num): Factored most of the code out of...
138 (add_ranges): ... this one. Rewrite in terms of the former.
139 (add_ranges_by_labels): New.
140 (output_ranges): Output by-label ranges.
141 (dwarf2out_finish): Output range for multiple-section
142 compile_unit. Output standard DW_AT_low_pc in addition to
143 unexpected DW_AT_entry_pc.
145 2007-07-04 Daniel Berlin <dberlin@dberlin.org>
147 PR tree-optimization/32604
148 PR tree-optimization/32606
150 * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
151 (compute_antic_safe): Removed.
152 (ANTIC_SAFE_LOADS): Ditto.
153 (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
154 (execute_pre): Don't call compute_antic_safe.
155 (vuse_equiv): New function.
156 (make_values_for_stmt): Use it
157 * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
160 2007-07-04 Anatoly Sokolov <aesok@post.ru>
163 * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
165 (avr_attribute_table): Make "naked" attribute apply to function types
166 rather than to decls.
167 (avr_handle_fntype_attribute): New function.
169 2007-07-04 Joseph Myers <joseph@codesourcery.com>
171 * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
174 2007-07-04 David Ung <davidu@mips.com>
175 Joseph Myers <joseph@codesourcery.com>
177 * config/mips/mips.md (type): Add logical, signext and move.
178 (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
179 *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
180 *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
181 combinations", *zero_extend<SHORT:mode><GPR:mode>2,
182 *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
183 *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
184 *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
185 *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
186 *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
187 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
188 movv2sf_hardfloat_64bit): Use the new types.
189 (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
190 *movdf_softfloat, *movdf_mips16): Use "multi".
191 (extendqihi2): Replace with a define_expand.
192 (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
193 Based on extend<SHORT:mode><GPR:mode>2 patterns.
194 * config/mips/74k.md (r74k_int_logical): New reservation and
196 (r74k_int_arith): Remove "slt".
197 * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
198 config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
199 config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
200 config/mips/sb1.md, config/mips/sr71k.md: Add new types to
201 reservations for "arith".
203 2007-07-04 Richard Guenther <rguenther@suse.de>
205 * tree-ssa.c (useless_type_conversion_p): Add handling for
206 scalar float and vector types. Only call the types_compatible_p
207 langhook for aggregate types as last resort. Follow the
210 2007-07-04 Richard Guenther <rguenther@suse.de>
212 * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
213 the same as NOP_EXPR.
215 2007-07-04 Nick Clifton <nickc@redhat.com>
217 * target.h (struct gcc_target): Add target_help field.
218 * target-def.h (TARGET_HELP): New.
219 (TARGET_INITIALIZER): Use TARGET_HELP.
220 * opts.c (command_handle_option): Invoke target_help function, if
221 defined, when the user has specified --target-help on the command
223 * doc/invoke.texi: Mention that --target-help might print
224 additional information.
225 * doc/tm.texi: Document TARGET_HELP hook.
227 * arm.c (TARGET_HELP): Override default definition.
228 (arm_target_help): New - display a wrapped list of cores and
229 architectures supported.
231 2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
233 * config/gcc/v850/v850.c (expand_prologue): Make sure
234 GEN_INT() argument is sign extended rather than zero extended.
235 (expand_epilogue): Likewise.
236 (output_move_double): Delete.
237 * config/gcc/v850/v850-protos.h (output_move_double): Delete.
238 * config/gcc/v850/v850.md (movdi): Delete.
239 (*movdi_internal): Delete.
241 (*movdf_internal): Delete.
243 2007-07-04 Richard Sandiford <richard@codesourcery.com>
245 * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
246 unless compiling RTP PIC.
248 2007-07-04 Richard Guenther <rguenther@suse.de>
250 PR tree-optimization/32482
251 * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
252 original ssa name if we didn't find a shift expression.
253 Fix shift constant for bit zero test.
255 2007-07-04 Richard Sandiford <richard@codesourcery.com>
257 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
259 2007-07-04 Richard Sandiford <richard@codesourcery.com>
261 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
262 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
263 * config/arm/vxworks.h (ASM_SPEC): Delete.
264 (SUBTARGET_EXTRA_ASM_SPEC): Define.
266 2007-07-04 Sebastian Pop <sebpop@gmail.com>
268 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
269 (DDR_REVERSED_P): New.
270 * tree-data-ref.c (initialize_data_dependence_relation,
271 build_classic_dist_vector): Set DDR_REVERSED_P.
273 2007-07-04 Sebastian Pop <sebpop@gmail.com>
276 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
277 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
278 init_omega_for_ddr_1): Use non conservative number of iterations
280 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
281 (analyze_siv_subscript): Remove FIXME and reinitialization of
282 last_conflicts to chrec_dont_know.
283 * testsuite/gfortran.dg/vect/pr32457.f90: New.
285 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
287 * tree.c (maybe_canonicalize_argtypes): Improve description.
289 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
291 * tree.c (maybe_canonicalize_argtypes): New.
292 (build_function_type): Set canonical type.
293 (build_method_type_directly): Ditto.
294 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
297 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
299 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
301 (rewrite_use_nonlinear_expr): Likewise.
303 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
305 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
307 2007-07-04 Ben Elliston <bje@au.ibm.com>
309 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
312 * c-objc-common.c (c_types_compatible_p): Fix indentation.
314 * doc/tm.texi (Run-time Target): Capitalise "CPU".
315 (Exception Handling): Likewise.
317 2007-07-03 Jan Hubicka <jh@suse.cz>
319 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
321 2007-07-03 Eric Christopher <echristo@apple.com>
323 * doc/cppopts.texi: Add conflicting option note to -dM.
324 * doc/invoke.texi: Add note about possible conflicts with
325 -E for -dCHARS and note that -dM will not produce
326 any results if there is no machine dependent reorg.
328 2007-07-03 Geoffrey Keating <geoffk@apple.com>
330 * tree.h (DECL_ALIGN): Back out previous change.
332 2007-07-03 Joseph Myers <joseph@codesourcery.com>
334 * configure.ac: Test for .dtprelword support on MIPS.
335 * configure, config.in: Regenerate.
336 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
337 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
339 2007-07-03 Julian Brown <julian@codesourcery.com>
341 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
342 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
343 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
344 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
346 (all_fpus): Add FPUTYPE_VFP3.
347 (fp_model_for_fpu): Add VFPv3 field.
348 (arm_rtx_costs_1): Give cost to VFPv3 constants.
349 (vfp3_const_double_index): New function. Return integer index of
350 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
352 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
353 and argument represents a valid RTX for a VFPv3 constant.
354 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
356 (vfp_emit_fstmd): Similar, for fstmd.
357 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
358 constants, represented as integer indices.
359 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
360 VFP_REGNO_OK_FOR_DOUBLE macros.
361 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
362 (arm_file_start): Set float-abi attribute for VFPv3, and output
363 correct ".fpu" assembler directive.
364 (arm_dbx_register_numbering): Add FIXME.
365 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
366 (fputype): Add FPUTYPE_VFP3.
367 (FIXED_REGISTERS): Add 32 registers for D16-D31.
368 (CALL_USED_REGISTERS): Likewise.
369 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
370 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
371 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
372 (D7_VFP_REGNUM): New.
373 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
374 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
375 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
376 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
377 (REG_ALLOC_ORDER): Adjust for VFPv3.
378 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
379 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
380 VFP_LO_REGS, VFP_HI_REGS.
381 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
382 (IS_VFP_CLASS): Define macro.
383 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
385 (REGISTER_MOVE_COST): Likewise.
386 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
387 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
388 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
389 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
390 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
391 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
392 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
393 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
394 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
395 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
396 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
397 where appropriate for single-word registers.
398 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
399 As above. Fix type attributes.
400 * config/arm/constraints.md (register_contraint "t"): Define.
401 (register_constraint "w"): Change to D0-D15, or D0-D31 for
403 (register_constraint "x"): Define.
404 (constraint "Dv"): Define.
406 2007-07-03 Geoffrey Keating <geoffk@apple.com>
408 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
410 2007-07-03 Tom Tromey <tromey@redhat.com>
412 * c-parser.c (objc_pq_context): Removed.
413 (objc_need_raw_identifier): Likewise.
414 (c_parser) <objc_pq_context>: New field.
415 <objc_need_raw_identifier>: Likewise.
416 (OBJC_NEED_RAW_IDENTIFIER): Removed.
417 (c_lex_one_token): Update.
418 (c_parser_objc_protocol_definition): Update.
419 (c_parser_objc_method_definition): Update.
420 (c_parser_objc_methodproto): Update.
421 (c_parser_declspecs): Update.
423 2007-07-03 David Ung <davidu@mips.com>
425 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
427 2007-07-03 David Ung <davidu@mips.com>
428 Richard Sandiford <richard@codesourcery.com>
430 * doc/invoke.texi: Document -march=74kf3_2.
431 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
432 (TUNE_74K): Check for it.
433 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
434 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
435 * config/mips/mips.md (cpu): Add 74kf3_2.
436 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
437 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
438 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
439 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
440 74kf3_2 to the CPU list.
441 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
442 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
443 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
444 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
445 (r74kf3_2_fxfer_from_c1): New insn reservations.
447 2007-07-03 Richard Sandiford <richard@codesourcery.com>
448 David Ung <davidu@mips.com>
450 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
451 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
452 and 74k[fx]. Document aliases for the new options.
453 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
454 (PROCESSOR_24KF2_1): ...this.
455 (PROCESSOR_24KX): Rename to...
456 (PROCESSOR_24KF1_1): ...this.
457 (PROCESSOR_74KF): Rename to...
458 (PROCESSOR_74KF2_1): ...this.
459 (PROCESSOR_74KX): Rename to...
460 (PROCESSOR_74KF1_1): ...this.
461 (TUNE_74K): Update PROCESSOR_* names.
462 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
463 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
464 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
465 (mips_rtx_cost_data): Update processor names in comments.
466 (mips_issue_rate): Update PROCESSOR_* names.
467 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
468 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
469 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
470 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
471 Update cpu attribute names.
472 (r24k_fpu_iss): Rename this reservation to...
473 (r24kf2_1_fpu_iss): ...this and update all uses.
474 (r24kx_fpu_iss): Rename this reservation to...
475 (r24kf1_1_fpu_iss): ...this and update all uses.
476 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
477 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
478 Update cpu attribute names.
480 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
482 * config/m32r/constraints.md: New file.
483 * config/m32r/m32r.c: Include tm-constrs.h.
484 (small_data_operand): Use satisfies_constraint_* instead of macro.
485 (addr24_operand, gen_compare): Likewise.
486 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
487 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
488 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
489 EXTRA_CONSTRAINT): Likewise.
490 * config/m32r/m32r.md: Include constraints.md.
491 (*movsi_insn): Use satisfies_constraint_* instead of macro.
492 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
493 * config/m32r/predicates.md (conditional_move_operand): Likewise.
494 (two_insn_const_operand, int8_operand, uint16_operand,
495 reg_or_int16_operand, reg_or_uint16_operand,
496 reg_or_cmp_int16_operand, cmp_int16_operand,
497 seth_add3_operand): Likewise.
499 2007-07-03 Eric Christopher <echristo@gmail.com>
501 * libgcc2.h: Conditionally declare __bswapsi2 and
504 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
506 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
509 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
512 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
513 (__gthrw_pragma): Provide default definition.
515 * gthr-posix.c (__gthrw_pragma): Define.
517 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
519 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
520 before declaring inequality.
522 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
524 * combine.c (recog_for_combine): Log the success or failure of
525 matching new insn patterns against the machine description in
528 2007-07-03 Revital Eres <eres@il.ibm.com>
530 * ddg.c (print_sccs): New function.
531 (check_sccs): New function.
532 (create_ddg_all_sccs): Use it.
533 * ddg.h (print_sccs): Declare.
534 * modulo-sched.c (sms_order_nodes): Call print_sccs.
536 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
538 * targhooks.h (default_mode_for_suffix): New function declaration.
539 * targhooks.c (default_mode_for_suffix): New default target hook.
540 * target.h (struct c): New structure in the targetm struct.
541 (mode_for_suffix): New target hook as part of struct c.
542 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
543 default_mode_for_suffix.
544 (TARGET_C): New define.
545 * c-lex.c: Include "target.h".
546 (interpret_float): Use targetm.c.mode_for_suffix to determine
547 the mode for a given non-standard suffix.
548 Makefile.in (c-lex.o): Depend on $(TARGET_H).
550 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
551 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
553 * doc/extend.texi (Floating Types): New node. Document __float80 and
554 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
556 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
559 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
560 predicate instead of target_operand.
561 (divsi3_i1_media, divsi3_media_2): Likewise.
563 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
565 * tree.h (alias_sets_might_conflict_p): Rename into
566 alias_sets_must_conflict_p.
567 * alias.c (alias_sets_might_conflict_p): Likewise.
568 (alias_sets_conflict_p): Use it.
569 (objects_must_conflict_p): Likewise.
570 * c-common.c (strict_aliasing_warning): Adjust.
572 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
574 * rtlhooks.c (gen_lowpart_if_possible): Check for
575 invalid subreg before calling gen_lowpart_SUBREG.
577 2007-07-02 Geoffrey Keating <geoffk@apple.com>
579 * config/darwin9.h: Add copyright notice.
580 (LINK_COMMAND_SPEC): Add comment.
581 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
582 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
583 DARWIN_LIBSYSTEM_HAS_UNWIND.
585 2007-07-02 Jakub Jelinek <jakub@redhat.com>
588 * omp-low.c (check_combined_parallel): New function.
589 (lower_omp_parallel): Call it via walk_stmts, set
590 OMP_PARALLEL_COMBINED if appropriate.
591 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
592 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
593 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
594 don't consider it as combined parallel.
596 2007-07-02 Richard Sandiford <richard@codesourcery.com>
598 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
599 (gcc_tooldir): Likewise.
600 * configure: Regenerate.
601 * Makefile.in (libsubdir_to_prefix): New variable, based on the
602 old configure.ac gcc_tooldir setting.
603 (prefix_to_exec_prefix): New variable.
604 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
605 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
607 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
609 Fix PR tree-optimization/32583
610 Fix PR tree-optimization/32584
611 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
612 (phi_translate_set): Use phi_translate directly now.
613 (make_values_for_stmt): Don't value number RHS if we already know
616 2007-07-02 Steve Ellcey <sje@cup.hp.com>
617 Jim Wilson <wilson@specifix.com>
620 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
623 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
624 Richard Sandiford <richard@codesourcery.com>
625 Nigel Stephens <nigel@mips.com>
627 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
628 (mips16e_output_save_restore): Declare.
629 (mips16e_save_restore_pattern_p): Likewise.
630 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
631 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
632 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
633 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
634 (BITSET_P): New global macro, extracted from...
635 (mips_for_each_saved_reg): ...here.
636 (mips16e_save_restore_info): New struct.
637 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
638 (mips16e_save_restore_regs): New variable.
639 (mips_split_plus, mips16e_find_first_register): New functions.
640 (mips16e_mask_registers): New function.
641 (compute_frame_size): Expand the commentary before the function.
642 Enforce the MIPS16e save and restore register range restrictions.
643 Pad the general register save area at the low end.
644 (mips16e_save_restore_reg, mips16e_build_save_restore)
645 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
646 (mips16e_output_save_restore, mips16e_collect_propagate_value)
647 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
649 (mips_expand_prologue, mips_expand_epilogue): Handle
650 GENERATE_MIPS16E_SAVE_RESTORE.
651 * config/mips/mips.md (*mips16e_save_restore): New pattern.
653 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
655 PR tree-optimization/31966
656 PR tree-optimization/32533
657 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
658 "basic_block" description as its third argument. Update function
659 calls to get destination bb from "edge" argument. Save "cond" into
660 aux field of the edge. Update prototype for changed arguments.
661 (if_convertible_loop_p): Clear aux field of incoming edges if bb
663 (find_phi_replacement_condition): Operate on incoming edges, not
664 on predecessor blocks. If there is a condition saved in the
665 incoming edge aux field, AND it with incoming bb predicate.
666 Return source bb of the first edge.
667 (clean_predicate_lists): Clean aux field of outgoing node edges.
668 (tree_if_conversion): Do not initialize cond variable. Move
669 variable declaration into the loop.
670 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
671 initializations of new_stmt, arg0 and arg1 variables.
673 2007-07-02 Jakub Jelinek <jakub@redhat.com>
675 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
676 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
678 2007-07-02 Richard Guenther <rguenther@suse.de>
680 * tree-ssa.c (useless_type_conversion_p): Document
681 future intent as defining the middle-end type system.
682 Re-structure to call langhook last, group by type class,
683 mark questionable parts.
685 2007-07-02 Richard Guenther <rguenther@suse.de>
687 * tree-flow.h (types_compatible_p): Declare.
688 * tree-ssa.c (types_compatible_p): New function.
689 * ipa-type-escape.c (discover_unique_type): Use
690 types_compatible_p instead of lang_hooks.types_compatible_p.
691 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
692 * tree-vn.c (expressions_equal_p): Likewise.
693 * tree.c (fields_compatible_p): Likewise.
694 * tree-ssa-dom.c (avail_expr_eq): Likewise.
695 (cprop_operand): Use useless_type_conversion_p instead of
696 lang_hooks.types_compatible_p.
697 * tree-inline.c (setup_one_parameter): Likewise.
698 (declare_return_variable): Likewise.
699 * tree-nrv.c (tree_nrv): Likewise.
700 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
701 (maybe_fold_offset_to_component_ref): Likewise.
702 (maybe_fold_offset_to_reference): Likewise.
703 * tree-ssa-copy.c (may_propagate_copy): Likewise.
704 (merge_alias_info): Likewise.
705 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
706 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
707 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
708 * tree-tailcall.c (find_tail_calls): Likewise.
709 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
710 * gimplify.c (canonicalize_addr_expr): Likewise.
711 (fold_indirect_ref_rhs): Likewise.
712 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
713 (cpt_same_type): Likewise.
714 (check_pointer_types_r): Swap parameters to cpt_same_type
716 * fold-const.c (fold_convert): Revert fix for PR15988.
717 * tree-inline.c (setup_one_parameter): Instead fix it here by
718 using fold_build1 instead of fold_convert and checking for
719 error_mark_node. Convert only if the conversion is necessary.
721 2007-07-02 Joseph Myers <joseph@codesourcery.com>
723 * configure.ac: Check for .gnu_attribute on Power.
724 * configure: Regenerate.
725 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
726 attribute for floating-point ABI.
728 2007-07-02 Ira Rosen <irar@il.ibm.com>
730 PR tree-optimization/32230
731 PR tree-optimization/32477
732 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
733 address is a constant.
735 2007-07-02 Richard Sandiford <richard@codesourcery.com>
737 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
738 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
739 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
740 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
741 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
742 64-bit targets. Add support for *-elfoabi*.
743 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
744 different settings if $(tm_defines) does not select the EABI.
745 (MULTILIB_EXCLUSIONS): Define in those circumstances.
746 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
747 (MIPS_ARCH_OPTION_SPEC): Likewise.
748 (MIPS_ISA_LEVEL_SPEC): Likewise.
749 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
750 * config/mips/elfoabi.h: New file.
752 2007-07-02 Richard Guenther <rguenther@suse.de>
754 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
755 (useless_type_conversion_p): ... this.
756 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
757 (useless_type_conversion_p): ... this.
758 * builtins.c (fold_builtin_memory_op): Rename
759 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
760 * tree-cfg.c (verify_expr): Likewise.
761 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
762 * tree-ssa-ccp.c (ccp_fold): Likewise.
763 * tree-ssa-copy.c (may_propagate_copy): Likewise.
764 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
765 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
766 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
767 * tree-ssa-pre.c (eliminate): Likewise.
768 * tree-ssa.c (delete_tree_ssa): Likewise.
769 (tree_ssa_useless_type_conversion): Likewise.
770 * tree.c (build2_stat): Likewise.
772 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
774 Fix PR tree-optimization/32571
775 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
778 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
780 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
781 and other expected operations explicitly, change default to
784 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
786 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
788 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
789 (tls_load_dot_plus_eight): Move the label number into the unspec.
790 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
792 2007-07-01 Andreas Schwab <schwab@suse.de>
794 * dwarf2out.c (initial_return_save): Define only if used.
796 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
798 Unreverting Richard's Revert of:
800 2007-06-27 Richard Sandiford <richard@codesourcery.com>
802 * dce.c (deletable_insn_p_1): New function, split out from...
803 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
804 specially, not those inside PARALLELs. Remove BODY argument
805 and adjust recursive call accordingly.
806 (prescan_insns_for_dce): Update call to delete_insn_p.
808 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
809 Revital Eres <eres@il.ibm.com>
811 * ddg.c (create_ddg_all_sccs): Fix missed
812 initialization of scc_nodes.
814 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
817 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
818 X + ~X to 1 only for INTEGRAL_TYPE_P type.
820 2007-06-30 Joseph Myers <joseph@codesourcery.com>
822 * configure.ac: Check for .gnu_attribute on MIPS.
823 * configure, config.in: Regenerate.
824 * config/mips/mips.c (mips_file_start): If supported, output
825 attribute for floating-point ABI.
827 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
830 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
831 (ffs_cmove): New expander to expand using ctz pattern.
832 (*ffs_cmove): Remove pattern.
833 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
834 (ffsdi2): Expand using ctz pattern.
835 (*ffs_rex64): Remove pattern.
837 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
839 PR rtl-optimization/32296
840 * pa.md (return): Delete pattern.
841 (return_internal): Remove "(const_int 1)" from pattern.
842 (epilogue): Use return_internal pattern for trivial returns.
843 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
844 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
846 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
848 * tree-ssa-pre.c (is_exception_related): New function
849 (can_value_number_operation): Use it.
851 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
853 Fix PR tree-optimization/32540
854 Fix PR tree-optimization/31651
856 * tree-ssa-sccvn.c: New file.
858 * tree-ssa-sccvn.h: Ditto.
860 * tree-vn.c: Include tree-ssa-sccvn.h
861 (val_expr_paid_d): Removed.
862 (value_table): Ditto.
864 (val_expr_pair_hash): Ditto.
865 (val_expr_pair_expr_eq): Ditto.
866 (copy_vuses_from_stmt): Ditto.
869 (shared_vuses_from_stmt): Ditto.
870 (print_creation_to_file): Moved up.
872 (sort_vuses_heap): Ditto.
873 (set_value_handle): Make non-static.
874 (make_value_handle): Ditto.
875 (vn_add): Rewritten to use sccvn lookups.
876 (vn_add_with_vuses): Ditto.
877 (vn_lookup): Ditto (and second argument removed).
878 (vn_lookup_with_vuses): Ditto.
879 (vn_lookup_or_add): Ditto (and second argument removed);
880 (vn_lookup_or_add_with_vuses): Ditto.
881 (vn_lookup_with_stmt): New.
882 (vn_lookup_or_add_with_stmt): Ditto.
883 (create_value_handle_for_expr): Ditto.
885 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
886 (seen_during_translate): New function.
887 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
888 (phi_trans_add): Ditto.
889 (constant_expr_p): FIELD_DECL is always constant.
890 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
892 Avoid infinite recursion on mutually valued expressions.
893 Change callers of vn_lookup_or_add.
894 (phi_translate): New function.
895 (compute_antic_safe): Allow phi nodes.
896 (create_component_ref_by_pieces): Update for FIELD_DECL change.
897 (find_or_generate_expression): Rewrite slightly.
898 (create_expression_by_pieces): Updated for vn_lookup_or_add
900 Update VN_INFO for new names.
901 (insert_into_preds_of_block): Update for new names.
902 (add_to_exp_gen): New function.
903 (add_to_sets): Use vn_lookup_or_add_with_stmt.
904 (find_existing_value_expr): Rewrite to changed vn_lookup.
905 (create_value_expr_from): Ditto, and use add_to_exp_gen.
906 (try_look_through_load): Removed.
907 (try_combine_conversion): Ditto.
908 (get_sccvn_value): New function.
909 (make_values_for_phi): Ditto.
910 (make_values_for_stmt): Ditto.
911 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
913 (init_pre): Update for SCCVN changes.
915 (execute_pre): Ditto.
917 * tree-flow.h (make_value_handle): Declare.
918 (set_value_handle): Ditto.
919 (sort_vuses_heap): Ditto.
920 (vn_lookup_or_add_with_stmt): Ditto.
921 (vn_lookup_with_stmt): Ditto.
922 (vn_compute): Remove.
925 (vn_lookup): Update arguments.
927 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
929 (tree-ssa-sccvn.o): New.
930 (OBJS-common): Add tree-ssa-sccvn.o
932 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
935 * c-typeck.c (build_external_ref): Don't mark as used if called
937 * calls.c (rtx_for_function_call): Likewise.
939 2007-06-30 Richard Sandiford <richard@codesourcery.com>
943 2007-06-27 Richard Sandiford <richard@codesourcery.com>
945 * dce.c (deletable_insn_p_1): New function, split out from...
946 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
947 specially, not those inside PARALLELs. Remove BODY argument
948 and adjust recursive call accordingly.
949 (prescan_insns_for_dce): Update call to delete_insn_p.
951 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
953 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
954 (try_combine): Move potential calls to undo_all() so they happen
955 before we commit to using the combined insns.
957 2006-06-30 Jan Hubicka <jh@suse.cz>
959 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
962 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
964 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
965 (cgraph_remove_unreachable_nodes): Likewise.
966 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
967 * ipa-inline.c (update_caller_keys): Cast according to the coding
969 (cgraph_decide_recursive_inlining): Likewise.
970 (cgraph_decide_inlining_of_small_function): Likewise.
971 (try_inline): Likewise.
972 (cgraph_decide_inlining_incrementally): Likewise.
973 * ipa-pure-const.c (get_function_state): Likewise.
974 (scan_function): Likewise.
975 (analyze_function): Likewise.
976 (static_execute): Likewise.
977 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
978 (merge_callee_local_info): Likewise.
979 (analyze_function): Use type safe memory macros.
980 (static_execute): Likewise. Cast according to the coding conventions.
981 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
983 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
985 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
986 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
989 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
992 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
993 for complex modes (both int and real).
995 2007-06-29 Jan Hubicka <jh@suse.cz>
997 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
999 2007-06-29 Jan Hubicka <jh@suse.cz>
1002 * cse.c (cse_insn): Avoid invalid sharing in between register note and
1005 2007-06-29 Anatoly Sokolov <aesok@post.ru>
1008 * config/avr/avr.c: Include dataflow header file.
1009 (expand_prologue): Adjust for prologue insn change.
1010 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
1013 2007-06-29 Richard Guenther <rguenther@suse.de>
1016 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
1017 during type verification.
1019 2007-06-29 Jan Hubicka <jh@suse.cz>
1021 * recog.c (validate_change_rtx_1): Unshare TO argument.
1023 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
1025 PR tree-optimization/24659
1026 * tree-vect-transform.c (vectorizable_call): Handle
1027 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
1029 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
1030 * config/i386/i386.c (enum ix86_builtins)
1031 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
1032 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
1034 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
1035 const using def_builtin_const.
1036 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
1037 input operands in the same modes as the result.
1038 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
1040 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
1042 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
1043 (df_set_dead_notes_for_mw): Likewise.
1045 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
1047 * c-common.c (pointer_int_sum): Do the negation in sizetype.
1049 2007-06-28 DJ Delorie <dj@redhat.com>
1051 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
1053 2007-06-28 Geoffrey Keating <geoffk@apple.com>
1055 * doc/invoke.texi (C++ Dialect Options): Document
1056 fvisibility-ms-compat.
1057 * c.opt (fvisibility-ms-compat): New.
1059 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1062 * tree-affine.c (aff_combination_add_elt): Handle
1063 pointer addition specially.
1065 2007-06-28 Jakub Jelinek <jakub@redhat.com>
1067 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
1068 decl is non-external for AIX ABI.
1070 2007-06-28 David Edelsohn <edelsohn@gnu.org>
1072 * config/rs6000/predicates.md (current_file_function_operand):
1073 Ensure the symbol is non-external for AIX ABI.
1075 2007-06-28 Nick Clifton <nickc@redhat.com>
1077 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
1078 (fdce, fdse, fpredictive-commoning): Likewise.
1080 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1083 * gcc.c (process_command): Recognize the new -static-libgfortran
1086 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
1089 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
1090 Use a call clobbered hard reg instead of a pseudo reg.
1092 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
1094 * config/sh/sh.md (load_gbr): Use correct operand constraint.
1096 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
1099 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
1100 REG_LIBCALL and REG_RETVAL notes.
1101 (divsi3, mulsi3): Likewise.
1102 (mulhisi3): Likewise. Use emit_libcall_block.
1103 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
1105 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
1107 PR rtl-optimization/32481
1108 * combine.c (adjust_for_new_dest): Rescan the changed insn.
1110 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1112 * dce.c (deletable_insn_p_1): New function, split out from...
1113 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1114 specially, not those inside PARALLELs. Remove BODY argument
1115 and adjust recursive call accordingly.
1116 (prescan_insns_for_dce): Update call to delete_insn_p.
1118 2007-06-27 Richard Guenther <rguenther@suse.de>
1121 * tree.h (fold_convertible_p): Declare.
1122 * fold-const.c (fold_convertible_p): New function.
1123 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
1124 instead of lang_hooks.types_compatible_p.
1126 2007-06-26 Jan Hubicka <jh@suse.cz>
1128 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
1129 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
1130 early use validate_unshare_change.
1131 (reload_combine): Likewise.
1132 * recog.c (change_t): New field unshare.
1133 (validate_change_1): Rename from validate_change; add argument unshare.
1134 (validate_change): Turn into wrapper of validate_change_1; update
1135 prototype for bools.
1136 (validate_unshare_change): New.
1137 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
1138 calls of df_insn_rescan.
1139 * recog.h (validate_change): Replace ints by bools.
1140 (validate_unshare_change): Declare.
1142 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1144 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
1146 2007-06-26 Steve Ellcey <sje@cup.hp.com>
1148 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
1150 2007-06-25 Jan Hubicka <jh@suse.cz>
1152 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
1154 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
1155 cgraph_decide_inlining_incrementally): Move uninlinability checks to
1156 places other call site specific checks are performed.
1158 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1161 * tree-vect-transform.c (vectorizable_operation): Convert
1162 POINTER_PLUS_EXPR over to PLUS_EXPR.
1164 2007-06-25 Chao-ying Fu <fu@mips.com>
1166 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
1167 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
1168 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
1169 Document GET_MODE_IBIT, and GET_MODE_FBIT.
1171 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
1172 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1173 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
1174 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
1175 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
1176 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
1177 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
1178 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
1179 ALL_FIXED_POINT_MODE_P): New define.
1180 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1182 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
1184 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
1185 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1186 MODE_VECTOR_UACCUM): New mode classes.
1188 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
1189 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
1190 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
1193 * genmodes.c (struct mode_data): Add ibit and fbit fields.
1194 (blank_mode): Initialize ibit and fbit.
1195 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
1196 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1198 (new_adjust): Change required_class to required_class_from and
1199 required_class_to for testing within a range.
1200 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1201 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1203 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
1204 (make_fixed_point_mode): New.
1205 (_ADD_ADJUST): Change C to C1 and C2.
1206 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
1207 use a range for machine classes.
1208 (ADJUST_IBIT, ADJUST_FBIT): New.
1209 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
1211 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
1212 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1213 Emit adjustment for ibit and fbit.
1214 (emit_mode_ibit, emit_mode_fbit): New.
1215 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
1217 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
1219 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
1220 as the source of the set.
1222 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
1224 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
1225 FP_REGNO_P): Use IN_RANGE.
1226 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
1227 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
1228 (DATA_REG_P): Use DATA_REGNO_P.
1229 (FP_REG_P): Use FP_REGNO_P.
1230 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
1231 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
1232 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
1234 2007-06-24 Jan Hubicka <jh@suse.cz>
1237 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
1239 2007-06-24 Sebastian Pop <sebpop@gmail.com>
1242 * fold-const.c (fold_binary): Strip nops of operand 0
1243 of BIT_NOT_EXPR before calling operand_equal_p.
1244 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
1245 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
1247 2007-06-23 Mark Mitchell <mark@codesourcery.com>
1249 * doc/extend.texi: Document that dllimport and dllexport imply
1251 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
1252 imported or exported declaration, including type declarations.
1253 * c-common.c (handle_visibility_attribute): Check for conflicts
1254 with dllimport/dllexport.
1255 (c_determine_visibility): Handle dllimport/dllexport as an
1256 explicit visibility atttribute.
1258 2007-06-23 Richard Guenther <rguenther@suse.de>
1260 PR tree-optimization/16876
1262 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1264 * tree-inline.c (initialize_inlined_parameters): Do not call
1265 lang_hooks.tree_inlining.convert_parm_for_inlining.
1266 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1267 reason for mismatched types.
1268 * gimplify.c (gimplify_call_expr): Verify the call expression
1269 arguments match the called function type signature. Otherwise
1270 mark the call expression to be not considered for inlining
1271 using CALL_CANNOT_INLINE_P flag.
1272 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1273 edges call expression.
1274 (cgraph_decide_inlining_of_small_function): Likewise.
1275 (cgraph_decide_inlining): Likewise.
1276 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1278 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1279 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1280 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1282 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1283 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1285 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1286 convert_parm_for_inlining member.
1288 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1291 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1292 Remove optimization for GT.
1294 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1297 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1299 (prescan_insns_for_dce): Add extra parameter.
1301 2007-06-23 Jan Hubicka <jh@suse.cz>
1304 * gimplify.c (mark_addressable): New function.
1305 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1307 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1310 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1312 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1315 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1316 moves between MMX/SSE registers to at least 8 units to prevent
1317 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1319 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1321 * config/i386/i386.c (override_options): Correct x86_sahf
1324 2007-06-21 David Daney <ddaney@avtrex.com>
1327 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1328 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1329 (exception_receiver): Renamed to ...
1330 (nonlocal_goto_receiver): ... this.
1332 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1334 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1335 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1336 partial register accesses.
1338 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1340 * fold-const.c (debug_fold_checksum): Move it under
1341 ENABLE_FOLD_CHECKING.
1343 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1346 * tree.h (debug_fold_checksum): Declared.
1347 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1348 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1349 build_fold_addr_expr_with_type_1.
1350 (fold_addr_expr, debug_fold_checksum): New.
1351 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1352 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1355 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1357 PR tree-optimization/19590
1358 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1359 of scev is a constant.
1360 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1362 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1364 * df-problems.c (df_note_bb_compute): Made computation of live
1365 info consistent with df_lr.
1367 2007-06-21 Richard Guenther <rguenther@suse.de>
1369 PR tree-optimization/32453
1370 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1371 for pointer anti-range.
1373 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1375 * config/i386/i386.c (processor_target_table): Increase maximum
1376 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1379 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1380 byte alignment if > 8 byte alignment is preferred.
1381 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1383 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1385 PR tree-optimization/31866
1386 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1387 if ASM_EXPR's input is not a SSA_NAME.
1390 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1391 but decl is a global var, instead return decl.
1392 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1393 even for is_global_var decls, if they are private in some outer
1396 2007-06-21 Richard Guenther <rguenther@suse.de>
1398 PR tree-optimization/32451
1399 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1401 2007-06-21 Christian Bruel <christian.bruel@st.com>
1403 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1404 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1405 (push_regs): Changed saving order or banked registers.
1406 (sh_expand_epilogue): Likewise.
1407 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1408 (FIRST_BANKED_REG): Likewise.
1409 (LAST_BANKED_REG): Likewise.
1410 * config/sh/sh.md (banked) New attribute.
1411 (in_delay_slot): Check banked attribute.
1413 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1415 PR tree-optimization/32075
1416 * tree-data-ref.c (subscript_dependence_tester_1,
1417 analyze_miv_subscript, analyze_overlapping_iterations,
1418 add_distance_for_zero_overlaps, build_classic_dist_vector,
1419 subscript_dependence_tester_1, analyze_overlapping_iterations,
1420 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1421 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1422 to evolution_function_is_affine_multivariate_p.
1424 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1426 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1428 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1431 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1433 * config/m32c/prologue.md (epilogue_exitd_16): New.
1434 (epilogue_reit_16): New.
1435 (epilogue_exitd): Rename to epilogue_exitd_24.
1436 (epilogue_reit): Rename to epilogue_reit_24.
1438 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1439 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1441 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1443 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1444 if dbg_cnt (sched_insn) reaches the limit.
1445 (choose_ready): New parameter INSN_PTR and new return value.
1446 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1447 the new return value from choose_ready.
1448 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1449 (rest_of_handle_global_alloc): New global_alloc_at_func.
1451 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1453 PR tree-optimization/25737
1454 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1455 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1456 * tree-flow.h (struct fieldoff): Add new field alias_set.
1457 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1458 argument addressable_type. Set alias_set of fieldoff.
1459 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1460 (create_overlap_variables_for): Pass alias_set from fieldoff to
1462 * alias.c (get_alias_set): Use alias_set from SFT if set.
1464 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1466 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1467 of a variable as an unsigned HOST_WIDE_INT integer.
1469 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1471 PR rtl-optimization/32405
1472 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1474 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1476 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1479 * builtins.c: Include diagnostic.h.
1480 (expand_builtin_expect): Make gcc_assert more permissive.
1481 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1484 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1488 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1489 if ACCUMULATE_OUTGOING_ARGS.
1491 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1493 * config/m68hc11/m68hc11.c: Include dataflow header file.
1494 (m68hc11_reorg): Port to dataflow.
1496 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1498 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
1499 (struct df_problem.free_blocks_on_set_blocks): New field.
1500 (struct dataflow.optional_p): New field.
1501 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1502 (df_live_set_all_dirty): New function.
1503 * df-scan.c (df_scan_alloc): Initialize optional_p.
1504 (problem_SCAN): Initialize free_blocks_on_set_blocks.
1505 * df-core.c (df_set_blocks): Removed use of
1506 DF_FIRST_OPTIONAL_PROBLEM. Now uses
1507 df_problem.free_blocks_on_set_blocks to determine which blocks are
1509 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
1510 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
1511 uses dataflow.optional_p to determine if problem should be
1513 (rest_of_handle_df_initialize): Only start live problem if
1515 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1516 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
1517 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
1518 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
1519 problem_NOTE): Initialize free_blocks_on_set_blocks.
1520 (df_lr_bb_local_compute): Recompute luids if df_live problem is
1522 (df_live_set_all_dirty, df_note_alloc): New function.
1523 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
1525 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
1526 * postreload.c (reload_combine): Ditto.
1527 * cse.c (cse_extended_basic_block): Ditto.
1528 * regmove.c (mark_flags_life_zones): Ditto.
1529 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
1530 erase_matching_seqs): Ditto.
1531 * bt-load.c (compute_defs_uses_and_gen): Ditto.
1532 * integrate (allocate_initial_values): Ditto.
1533 * combine.c (reg_dead_at_p): Ditto.
1534 * resource.c (mark_target_live_regs): Ditto.
1535 * sched-rgn.c (check_live_1, update_live_1): Ditto.
1536 * config/sh/sh.c (find_r0_life_regions): Ditto.
1537 * global.c (rest_of_handle_global_alloc): Only add back df_live
1539 * local-alloc.c (rest_of_handle_local_alloc): Only remove
1541 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
1543 (if_convert): Make sure df_live is there at -O == 1.
1544 (pass_if_after_combine): Cleanup flags.
1545 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
1546 is there at -O == 1.
1548 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
1550 * config/arm/arm.c (arm_get_frame_offsets): Set
1551 offsets->locals_base to avoid negative stack size.
1552 (thumb1_expand_prologue): Assert on negative stack size.
1554 2007-04-19 Sebastian Pop <sebpop@gmail.com>
1556 PR tree-optimization/32367
1557 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
1558 of the chrec has no evolution in that loop.
1559 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
1561 2007-06-19 Bob Wilson <bob.wilson@acm.org>
1563 * config/xtensa/xtensa.c: Include "df.h".
1564 (xtensa_builtin_saveregs): Use adjust_address instead of
1566 (xtensa_va_start): Invoke make_tree with sizetype for
1567 expand_builtin_saveregs and then convert the result to a pointer.
1568 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
1569 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
1570 Subtract argument size from index value as integers and then use
1571 POINTER_PLUS_EXPR to add the result to the array address.
1573 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1576 * config/m32c/m32c.c: Include dataflow header file.
1577 (m32c_emit_prologue): Adjust for prologue insn change.
1578 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
1579 once inside a PARALLEL. Assume frame size passed in operand 0
1580 includes space to save the fb register.
1581 (prologue_enter_24): Likewise.
1582 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
1584 2007-06-19 David Daney <ddaney@avtrex.com
1587 * config/mips/mips.md (cprestore): Mark $gp as used.
1589 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1592 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
1593 (frv_ifcvt_modify_insn): Likewise.
1595 2007-06-19 Richard Guenther <rguenther@suse.de>
1597 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
1598 only handle positive offsets that fit in a HOST_WIDE_INT.
1600 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
1602 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
1603 result of rsqrt insn for zero input argument to avoid NaN.
1605 2007-06-19 Richard Guenther <rguenther@suse.de>
1608 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
1610 2007-06-19 Jakub Jelinek <jakub@redhat.com>
1612 PR tree-optimization/32353
1613 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
1615 2007-06-19 Nick Clifton <nickc@redhat.com>
1617 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
1619 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1622 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
1623 * config/i386/i386.c (assign_386_stack_local): Assert that
1624 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
1625 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
1626 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
1627 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
1629 2007-06-18 Steve Ellcey <sje@cup.hp.com>
1631 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
1633 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
1635 PR rtl-optimization/32321
1636 * gcse.c (replace_store_insn): Update the note before
1637 calling emit_insn_after.
1639 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1642 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
1644 * df-problems.c (df_note_bb_compute): Fix dumping info.
1646 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
1648 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
1649 insn with emit_jump_insn.
1651 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1653 PR tree-optimization/32383
1654 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
1655 * targhooks.h (default_builtin_reciprocal): Update prototype.
1656 * target.h (struct gcc_target): Update builtin_reciprocal.
1657 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
1658 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
1659 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
1660 when fndecl is in BUILT_IN_MD class.
1661 (execute_convert_to_rsqrt): Ditto.
1663 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
1664 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
1665 Convert BUILT_IN_SQRTF code only when md_fn is false.
1667 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
1669 * bt-load.c (move_btr_def): Fix the order of arguments
1670 to validate_replace_rtx.
1672 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
1674 * config/m68k/m68k-devices.def: Add 54450..54455.
1676 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
1678 PR rtl-optimization/32366
1679 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
1680 FLOAT_EXTEND]: Prevent non-scalar modes from entering
1683 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
1686 * modulo-sched (generate_reg_moves): Added rescan parameter and if
1687 this is true, rescan insn being modified.
1688 (sms_schedule): Added rescan parameter.
1689 (rest_of_handle_sms): Moved freeing of dominance info to before
1690 getting out of cfg_layout.
1692 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
1694 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
1695 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
1698 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
1699 FL_CF_EMAC from the entry for isac.
1701 * config/m68k/predicates.md (const_call_operand): Adjust comment.
1702 (const_sibcall_operand): New.
1703 (sibcall_operand): Use it.
1704 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
1705 (m68k_isas): ISAC does not imply FPU or EMAC.
1706 (override_options): Add ISA_C logic for symbolic jump & call.
1708 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1710 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
1711 return mode from the builtin itself.
1712 (sparc_fold_builtin): Fix cast of zero constant.
1714 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1716 * targhooks.c (default_builtin_reciprocal): New default target hook.
1717 * targhooks.h (default_builtin_reciprocal): Add prototype.
1718 * hooks.c (hook_tree_tree_bool_null): Remove hook.
1719 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
1720 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
1721 default_builtin_reciprocal.
1723 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1726 * hooks.c (hook_tree_tree_bool_null): New hook.
1727 * hooks.h (hook_tree_tree_bool_null): Add prototype.
1728 * tree-pass.h (pass_convert_to_rsqrt): Declare.
1729 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
1730 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
1731 and convert it to reciprocal a*rfunc(b).
1732 (execute_convert_to_rsqrt): New function.
1733 (gate_convert_to_rsqrt): New function.
1734 (pass_convert_to_rsqrt): New pass definition.
1735 * target.h (struct gcc_target): Add builtin_reciprocal.
1736 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
1737 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
1738 TARGET_BUILTIN_RECIPROCAL.
1739 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
1741 * config/i386/i386.h (TARGET_RECIP): New define.
1742 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
1743 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1744 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1745 and not optimizing for size.
1746 (*rcpsf2_sse): New insn pattern.
1747 (*rsqrtsf2_sse): Ditto.
1748 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
1749 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1750 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1751 and not optimizing for size.
1752 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
1753 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1754 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1755 and not optimizing for size.
1756 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
1757 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1758 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1759 and not optimizing for size.
1760 (*sse_rsqrtv4sf2): Do not export.
1762 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
1763 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1764 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1765 and not optimizing for size.
1767 * config/i386/i386.opt (mrecip): New option.
1768 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
1769 (ix86_emit_swsqrtsf): Ditto.
1770 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
1771 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
1773 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
1774 ix86_expand_unop1_builtin.
1775 (ix86_emit_swdivsf): New function.
1776 (ix86_emit_swsqrtsf): Ditto.
1777 (ix86_builtin_reciprocal): New function.
1778 (TARGET_BUILTIN_RECIPROCAL): Use it.
1779 (ix86_vectorize_builtin_conversion): Rename from
1780 ix86_builtin_conversion.
1781 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
1782 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
1783 "i386 and x86_64 Options" section.
1784 (Intel 386 and AMD x86_64 Options): Document -mrecip.
1786 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1787 Zdenek Dvorak <dvorakz@suse.cz>
1788 Richard Guenther <rguenther@suse.de>
1789 Kaz Kojima <kkojima@gcc.gnu.org>
1791 * tree-vrp.c (compare_values_warnv): Convert val2 to
1793 (extract_range_from_assert): Create
1794 POINTER_PLUS_EXPR for pointer types.
1795 (extract_range_from_binary_expr): Handle
1796 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
1798 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
1799 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
1800 POINTER_PLUS_EXPR as PLUS_EXPR.
1801 (number_of_iterations_lt_to_ne):
1802 For pointer types, use sizetype when
1803 creating MINUS_EXPR/PLUS_EXPRs.
1804 (assert_loop_rolls_lt): For pointer types, use sizetype when
1805 creating MINUS_EXPR/PLUS_EXPRs.
1806 (number_of_iterations_le): Likewise.
1807 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
1808 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
1809 like PLUS_EXPR and MINUS_EXPR.
1810 * tree-pretty-print.c (dump_generic_node): Handle
1812 (op_prio): Likewise.
1813 (op_symbol_1): Likewise.
1814 * optabs.c (optab_for_tree_code): Likewise.
1815 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
1817 * tree-tailcall.c (process_assignment): Mention
1818 POINTER_PLUS_EXPR in a TODO comment.
1819 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
1820 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
1821 not used with a pointer and an integer type.
1822 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
1823 increment using chrec_convert_rhs instead of chrec_convert.
1824 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
1825 PLUS_EXPR except for the right hand side's type will be
1827 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
1828 (fold_used_pointer_cast): Kill.
1829 (pointer_offset_p): Kill.
1830 (fold_used_pointer): Kill.
1831 (pointer_used_p): Kill.
1832 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
1833 call fold_used_pointer.
1834 (instantiate_parameters_1): Convert the increment
1835 using chrec_convert_rhs instead of chrec_convert.
1836 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
1837 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
1838 instead of PLUS_EXPR.
1839 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
1840 PLUS_EXPR for pointers.
1841 (std_gimplify_va_arg_expr): Likewise.
1842 (fold_builtin_memory_op): Likewise.
1843 (fold_builtin_strstr): Likewise.
1844 (fold_builtin_strchr): Likewise.
1845 (fold_builtin_strrchr): Likewise.
1846 (fold_builtin_strpbrk): Likewise.
1847 (expand_builtin_memory_chk): Likewise.
1848 (fold_builtin_memory_chk): Likewise.
1849 (std_expand_builtin_va_start): Use
1850 sizetype for the call to make_tree and then convert
1851 to the pointer type.
1852 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
1853 instead of PLUS_EXPR for adding to a pointer.
1854 (std_gimplify_va_arg_expr): Use fold_build2 for
1855 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
1856 the operands to sizetype first and then cast the BIT_AND_EXPR
1857 back to the pointer type.
1858 * fold-const.c (build_range_check): Handle pointer types
1860 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
1861 of PLUS_EXPR's. Make sure the offset is converted to
1863 (try_move_mult_to_index): Strip the NOPs from the offset.
1864 Remove code argument and replace all uses with PLUS_EXPR.
1865 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
1866 specially. Don't use a pointer type for MINUS_EXPR.
1867 (fold_unary): Handle for (T1)(X op Y),
1868 only p+ as that is the only as that can be handled for
1869 binary operators now.
1870 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
1872 <case PLUS_EXPR>: Add folding of PTR+INT into
1874 Don't call try_move_mult_to_index.
1875 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
1876 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
1877 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
1878 Don't call try_move_mult_to_index.
1879 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
1880 (tree_expr_nonzero_p): Likewise.
1881 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
1882 of PLUS_EXPR for the complex expression folding.
1883 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
1884 first chrec is a pointer type, then the second should
1885 be sizetype and not the first's type.
1886 For POINTER_PLUS_EXPR, use a different right hand side type.
1887 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1888 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
1889 different right hand side type.
1890 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1891 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
1892 instead of PLUS_EXPR.
1893 When either operand is zero, convert the other operand.
1894 (chrec_apply): Use chrec_convert_rhs
1895 on the argument x instead of chrec_convert.
1896 (reset_evolution_in_loop): For pointer types, the new_evol
1898 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
1899 different right hand side type.
1900 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1901 (chrec_convert_rhs): New function.
1902 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
1903 different right hand side type.
1904 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1905 * tree-chrec.h (chrec_convert_rhs): New prototype.
1906 (build_polynomial_chrec): For pointer types, the right hand
1907 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
1908 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
1909 Remove subtraction case as it is always addition now.
1910 Make sure the offset is converted to sizetype.
1911 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
1912 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
1913 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
1914 PLUS_EXPR in pointer type.
1915 Handle POINTER_PLUS_EXPR.
1916 (tree_to_aff_combination): Likewise.
1917 (force_expr_to_var_cost): Likewise.
1918 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
1919 instead of PLUS_EXPR for pointers.
1920 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
1921 instead of PLUS_EXPR of pointer types.
1922 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
1924 (check_va_list_escapes): Likewise.
1925 (check_all_va_list_escapes): Likewise.
1926 * dwarf2out.c (loc_descriptor_from_tree_1):
1927 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
1928 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
1929 (string_constant): Likewise.
1930 * tree-ssa-address.c (tree_mem_ref_addr): When adding
1931 the offset to the base, use POINTER_PLUS_EXPR.
1932 (add_to_parts): Convert the index to sizetype.
1933 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
1934 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
1935 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
1936 Offset only holds something for PLUS_EXPR.
1937 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
1939 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
1941 (analyze_accesses_for_modify_stmt): Likewise.
1942 Remove comment about the type being integral type as it is
1944 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
1946 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
1948 Correct the type which the artimentic is done in (is now
1951 * tree-data-ref.c (split_constant_offset): Handle
1953 * tree-affine.c (tree_to_aff_combination): Likewise.
1954 * c-typeck.c (build_unary_op): For pointers create the increment
1955 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
1957 * gimplify.c (gimplify_self_mod_expr): Create a
1958 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1959 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
1960 * tree.def (POINTER_PLUS_EXPR): New tree code.
1961 * tree-predcom.c (ref_at_iteration): If we have a pointer
1962 type do the multiplication in sizetype.
1963 * tree-mudflap.c (mf_xform_derefs_1): Create a
1964 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1965 * tree-ssa-forwprop.c
1966 (forward_propagate_addr_into_variable_array_index):
1967 Don't expect there to be a cast for the index as that
1968 does not exist anymore.
1969 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
1970 instead of PLUS_EXPR.
1971 Don't check for the first operand of the POINTER_PLUS_EXPR
1972 was the index as it cannot be.
1973 Call forward_propagate_addr_into_variable_array_index with
1974 the SSA_NAME instead of the statement.
1975 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
1976 (compare_constant): Likewise.
1977 (copy_constant): Likewise.
1978 (compute_reloc_for_constant): Likewise.
1979 (output_addressed_constants): Likewise.
1980 (initializer_constant_valid_p): Likewise.
1981 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
1982 Convert the MIN/MAX of the inner type to the outer
1983 type before comparing them.
1984 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
1985 POINTER_PLUS_EXPR instead of PLUS_EXPR.
1986 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
1987 of PLUS_EXPR for pointers.
1988 * tree-inline.c (estimate_num_insns_1): Handle
1990 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1991 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1992 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
1993 instead of PLUS_EXPR for the pointer increment statement.
1994 (vect_update_ivs_after_vectorizer): For pointer types, create
1995 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
1996 MULT_EXPR in sizetype.
1997 (vect_gen_niters_for_prolog_loop): Add a cast when creating
1999 * tree-object-size.c (plus_expr_object_size): Handle
2000 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
2001 code which is trying to figure out which side is a pointer and
2003 (check_for_plus_in_loops_1): Likewise.
2004 (check_for_plus_in_loops): Likewise.
2005 * c-common.c (pointer_int_sum): Create a
2006 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2007 * tree-ssa-structalias.c (handle_ptr_arith): Handle
2008 only POINTER_PLUS_EXPR. Removing all the extra
2009 code which is trying to figure out which side is a pointer and
2011 * tree-cfg.c (verify_expr): Add extra checking for pointers and
2012 PLUS_EXPR and MINUS_EXPR.
2013 Also add checking to make sure the operands of POINTER_PLUS_EXPR
2015 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
2016 with make_tree, instead of a pointer type.
2017 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
2018 for pointers instead of PLUS_EXPR.
2019 (s390_gimplify_va_arg): Likewise.
2020 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
2021 instead of PLUS_EXPR when doing addition on pointer
2022 types. Use sizetype for the second operand.
2023 (spu_gimplify_va_arg_expr): Likewise.
2024 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
2025 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
2026 a pointer. Don't create a BIT_AND_EXPR for pointer types.
2027 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
2028 for the pointer addition and also use size_int/sizetype
2030 (ix86_gimplify_va_arg): Likewise.
2031 Perform BIT_AND_EXPR on sizetype arguments.
2032 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
2033 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
2034 for the pointer additions and also use size_int for the offsets.
2035 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
2036 additions and also use size_int for the offsets. Perform
2037 BIT_AND_EXPR on sizetype arguments.
2038 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
2039 POINTER_PLUS_EXPR for pointers and create the
2040 BIT_AND_EXPR in sizetype.
2041 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
2042 instead of PLUS_EXPR for pointer addition.
2043 (rs6000_va_start): Likewise.
2044 Also use sizetype for the offset.
2045 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
2046 as PLUS_EXPR/MINUS_EXPR.
2047 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
2048 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
2049 Don't use BIT_AND_EXPR on a pointer type, convert the
2050 expression to sizetype first.
2051 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
2053 (mips_gimplify_va_arg_expr): Likewise.
2054 Don't create BIT_AND_EXPR in a pointer type.
2056 2007-06-15 Eric Christopher <echristo@apple.com>
2058 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
2059 (x86_64-*-darwin*): Ditto.
2060 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
2063 2007-06-15 Matthew Wilcox <matthew@wil.cx>
2065 * doc/extend.texi: Document behavior of __attribute__((aligned))
2068 2007-06-15 Mark Mitchell <mark@codesourcery.com>
2070 * rtlanal.c (note_stores): Improve documentation.
2072 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
2074 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
2075 LOCAL_LABEL_PREFIX): Delete.
2076 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
2077 (bfin_internal_label): Delete.
2079 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
2081 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
2082 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
2083 otherwise define to LIBGCC2_TF_CEXT.
2084 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
2085 (LIBGCC_TF_CEXT): Ditto.
2088 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
2090 PR rtl-optimization/32339
2091 * df-scan.c (df_uses_record): Don't modify flags but just add to
2092 it for df_ref_record.
2094 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
2096 * tree-mudflap.c: Fix whitespace issues.
2098 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
2100 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
2102 2007-06-14 Eric Christopher <echristo@apple.com>
2104 * config/i386/sse.md (movdi_to_sse): Rewrite body.
2105 (movv4sf): Use gcc_unreachable instead of abort.
2107 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
2110 * config/i386/sfp-machine.h (CMPtype): New define.
2111 (mach stubs): Use CMPtype instead of int as a return type.
2113 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
2115 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
2116 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
2117 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
2118 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
2119 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
2120 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
2121 config/soft-fp/soft-fp.h: Update from glibc CVS.
2123 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
2125 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
2127 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
2130 * config/v850/v850.c: Include dataflow header file.
2131 (substitute_ep_register): Fix typo.
2133 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2135 * configure.ac: Fix earlier checkin.
2136 * configure: Regenerated.
2138 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2140 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
2141 * aclocal.m4: Regenerate.
2142 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
2143 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
2144 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
2145 * configure: Regenerate.
2146 * Makefile.in (LOOSE_WARN): Subst loose_warn.
2148 * Makefile.in (quickstrap): Build libgcc too.
2150 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2152 * configure.ac: Add --enable-checking=df. Explicitly mention that
2153 the variables are initialized as for "release".
2154 * df-core.c: Use it.
2155 * configure: Regenerate.
2156 * config.in: Regenerate.
2158 2007-06-14 Bob Wilson <bob.wilson@acm.org>
2160 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
2161 validate_replace_rtx instead of replace_rtx.
2162 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
2164 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
2166 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
2167 (DWARF2_UNWIND_INFO): Override default if configured with
2169 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
2170 (ENDFILE_SPEC): Add crtend.o.
2171 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
2172 (ENDFILE_SPEC): Add crtend.o.
2173 (TARGET_USE_JCR_SECTION): Define.
2174 (MD_UNWIND_SUPPORT): Define for 32-bit target.
2176 * config/i386/cygming-crtbegin.c: New file.
2177 * config/i386/cygming-crtend.c: New file.
2179 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
2181 * config/i386/w32-unwind.h: New file.
2183 2007-06-13 Eric Christopher <echristo@apple.com>
2185 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
2186 the user set a value below STACK_BOUNDARY.
2188 2007-06-13 Thiemo Seufer <ths@networkno.de>
2190 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
2191 imply -lpthread for -pthread.
2193 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2195 * basic-block.h: Remove the prototype for
2196 free_basic_block_vars.
2197 * cfglayout.h: Remove the prototype for
2198 insn_locators_initialize.
2199 * tree.h: Remove the prototype for emit_line_note.
2201 * tree-ssa-pre.c (mergephitemp): Remove.
2202 (init_pre): Don't use mergephitemp.
2204 2007-06-13 Eric Christopher <echristo@apple.com>
2206 * config/i386/i386.c (override_options): If we've specified
2207 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
2209 2007-06-13 Bob Wilson <bob.wilson@acm.org>
2211 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
2214 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2216 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
2217 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
2218 (eh_store_handler): New pattern.
2219 (eh_return): Emit it instead of a plain move.
2221 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
2223 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
2224 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
2225 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
2228 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2230 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
2231 (find_next_insn_start, find_load): New functions.
2232 (bfin_reorg): Use them to deal with the fact that parallel insns are
2233 no longer represented as a SEQUENCE.
2235 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2237 * config/sparc/sparc.c (sparc_override_options): Initialize
2240 2007-06-13 Dave Korn <dave.korn@artimi.com>
2242 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
2245 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2247 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
2248 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
2249 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
2250 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
2251 tree-vect-transform.c: Fix comment typos. Follow spelling
2254 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2256 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
2257 to the exit block use set.
2258 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
2259 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2260 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2262 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2264 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2265 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2266 to indicate an error.
2267 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
2269 (dbg_cnt_process_opt): Print an error on a bad argument.
2270 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2271 * common.opt (-fdbg-cnt-list): New.
2272 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2274 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2276 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2277 flag on ref-all pointers.
2279 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2282 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2283 for the offset with the modifier as EXPAND_INITIALIZER
2284 if the modifier is EXPAND_INITIALIZER.
2285 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2286 a register if we had an overflow.
2288 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2290 * real.c (real_isfinite): New.
2291 (real_sqrt): Use it.
2292 * real.h (real_isfinite): New.
2293 * builtins.c: Use it.
2295 2007-06-12 Ian Lance Taylor <iant@google.com>
2296 Daniel Berlin <dberlin@dberlin.org>
2299 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2300 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2301 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2302 (DECL_NO_TBAA_P): Define.
2303 (struct tree_decl_common): Add no_tbaa_flag field.
2304 * tree-ssa-structalias.c (struct variable_info): Add
2305 no_tbaa_pruning field.
2306 (new_var_info): Initialize no_tbaa_pruning field.
2307 (unify_nodes): Copy no_tbaa_pruning field.
2308 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2309 (dump_solution_for_var): Print no_tbaa_pruning flag.
2310 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2312 (compute_tbaa_pruning): New static function.
2313 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2314 Call compute_tbaa_pruning.
2315 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2316 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2317 * gimple-low.c (lower_stmt): Likewise.
2318 * tree-gimple.c (is_gimple_stmt): Likewise.
2319 * tree-ssa-operands.c (get_expr_operands): Likewise.
2320 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2321 * tree-inline.c (estimate_num_insns_1): Likewise.
2322 (copy_result_decl_to_var): Likewise.
2323 * expr.c (expand_expr_real_1): Likewise.
2324 * tree-pretty-print.c (dump_generic_node): Likewise.
2325 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2326 * omp-low.c (omp_copy_decl_2): Likewise.
2327 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2328 * doc/c-tree.texi (Expression trees): Document
2329 CHANGE_DYNAMIC_TYPE_EXPR.
2331 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2333 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2334 with !HONOR_NANS and !HONOR_INFINITIES.
2335 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2337 2007-06-12 Tristan Gingold <gingold@adacore.com>
2339 * gcov.c: Comments updated.
2340 (source_info): Add file_time field.
2341 (source_index): New variable.
2342 (mutiple_files): New variable.
2343 (generate_results): New function extracted from process_file.
2344 (process_file): Save and restore chain of functions, generate
2345 results and free structures only if not merging results.
2346 (release_structures): File names are now freed in create_file_names
2347 (create_file_names): Free previous file names.
2348 (find_source): File date is now read here and modifications in
2349 source files is checked here.
2350 (read_graph_file): Only reverse order of functions for the current
2352 (make_gcov_file_name): Do not generate long names if input_name is
2354 (output_lines): If merging results do not display graph, data and
2356 Checking source file modification is done in find_source.
2358 * doc/gcov.texi: Append an s to sourcefile.
2360 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2362 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2363 (forced_nop): New pattern.
2364 * config/bfin/bfin.c: Include "df.h".
2365 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2366 (bfin_discover_loop): Use df_get_live_in instead of
2367 global_live_at_start.
2368 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2369 df_analyze when done.
2370 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2371 the insns. Use QImode for the final insn in a bundle. Call
2372 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2374 (reorder_var_tracking_notes): New function.
2375 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2376 update_life_info. Call df_analyze after scheduling and bundle
2377 generation. Call reorder_var_tracking_notes if generating these
2378 notes. Call df_finish_pass at the end.
2380 2007-06-12 Dirk Mueller <dmueller@suse.de>
2382 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2383 a comparison, not an assignment.
2385 2007-06-12 Olivier Hainque <hainque@adacore.com>
2387 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2388 Request walking the subtrees only, leaving the current is_lhs/val_only
2390 (convert_non_local_reference): Likewise.
2392 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2394 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2396 2007-06-12 Richard Guenther <rguenther@suse.de>
2398 PR tree-optimization/15353
2399 PR tree-optimization/31657
2400 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2401 * timevar.def: Add TV_TREE_IFCOMBINE.
2402 * tree-pass.h (pass_tree_ifcombine): Declare.
2403 * tree-ssa-ifcombine.c: New file.
2404 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2405 * tree-flow.h (blocks_in_phiopt_order): Declare.
2406 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2407 (tree-ssa-ifcombine.o): New dependencies.
2409 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2411 PR rtl-optimization/32293
2412 * combine.c (simplify_if_then_else): Truncate return from
2413 nonzero_bits() to correct mode.
2415 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2417 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2418 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2420 2007-06-11 Diego Novillo <dnovillo@google.com>
2422 * Makefile.in (reload1.o-warn): Remove.
2424 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2426 * combine.c (subst): Use reg_overlap_mentioned_p
2427 instead of comparing register numbers directly.
2429 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2431 * reload1.c (mark_home_live_1): Use the mode parameter.
2433 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2435 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2436 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2440 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2442 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2444 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2446 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2447 from integer registers.
2448 (FP mode splitters): Handle TFmode.
2450 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2452 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2453 for ref-all pointers that point-to anything.
2455 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2457 * config/arm/arm.c (arm_output_dwarf_dtprel,
2458 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2460 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2462 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2463 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2466 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2468 * gcc/tree.c (signed_or_unsigned_type_for): New.
2469 (unsigned_type_for): Use signed_or_unsigned_type_for.
2470 (signed_type_for): Use signed_or_unsigned_type_for.
2471 * gcc/tree.h (signed_or_unsigned_type_for): New.
2472 (get_signed_or_unsigned_type): Remove.
2473 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2474 lang_hooks.types.signed_type
2475 (size_diffop): Likewise.
2476 (all_ones_mask_p): Likewise.
2477 (build_range_check): Likewise.
2478 (fold_cond_expr_with_comparison): Likewise.
2479 (fold_cond_expr_with_comparison): Likewise.
2480 (unextend): Likewise.
2481 (extract_muldiv_1): Likewise.
2482 (fold_single_bit_test_into_sign_test): Likewise.
2483 (fold_binary): Likewise.
2484 (fold_ternary): Likewise.
2485 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2486 instead of get_signed_or_unsigned_type.
2487 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2488 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2489 * gcc/expr.c (signed_or_unsigned_type_for): Use
2490 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2491 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2492 (lhd_signed_or_unsigned_type): Remove.
2493 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
2494 signed_or_unsigned_type.
2495 (lhd_signed_or_unsigned_type): Remove.
2496 * gcc/expmed.c (make_tree): Use signed_type_for instead of
2497 lang_hooks.types.signed_type.
2498 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
2499 c_common_signed_type instead of lang_hooks.types.signed_type.
2500 (c_common_unsigned_type): New.
2501 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
2502 (shorten_compare): Use c_common_unsigned_type instead of
2503 c_common_signed_or_unsigned_type.
2504 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
2506 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
2507 lang_hooks.types.signed_type.
2508 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2509 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
2510 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
2511 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
2512 instead of unsigned_type_for.
2513 * gcc/c-decl.c (groakdeclarator): Likewise.
2514 * gcc/c-typeck.c (convert_for_assignment): Likewise.
2515 * gcc/c-common.h (c_common_unsigned_type): New.
2517 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2520 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
2521 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
2523 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2526 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
2527 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
2529 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
2530 Sebastian Pop <sebpop@gmail.com>
2532 * lambda-code.c (remove_iv): New.
2533 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
2535 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
2537 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
2538 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
2539 * tree-ssa-loop-prefetch.c: Include optabs.h.
2540 (FENCE_FOLLOWING_MOVNT): New macro.
2541 (struct mem_ref): Add independent_p and storent_p fields.
2542 (record_ref): Initalize the new fields.
2543 (gather_memory_references_ref): Return true if the reference
2545 (gather_memory_references): Check whether all memory accesses
2546 in loop were recorded.
2547 (should_issue_prefetch_p): Return false for nontemporal stores.
2548 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
2549 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
2550 (determine_loop_nest_reuse): Detect independent memory references.
2551 (loop_prefetch_arrays): Call mark_nontemporal_stores.
2552 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
2553 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
2554 * config/i386/i386.h (x86_mfence): Declare.
2555 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
2556 * config/i386/i386.c (x86_mfence): New variable.
2557 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
2559 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
2560 * optabs.c (init_optabs): Initialize storent_optab.
2561 * optabs.h (enum optab_index): Add OTI_storent.
2562 (storent_optab): Declare.
2563 * genopinit.c (optabs): Add initialization for storent_optab.
2564 * tree.h (MOVE_NONTEMPORAL): New macro.
2565 * expr.c (expand_assignment, store_expr, store_constructor_field,
2566 store_constructor, store_field, expand_expr_real_1): Propagate
2567 nontemporality of the expanded store.
2568 (emit_storent_insn): New function.
2569 * expr.h (expand_assignment, store_expr): Declaration changed.
2570 * function.c (assign_parm_setup_reg): Pass false as nontemporality
2571 to expand_assignment.
2572 * stmt.c (expand_asm_expr): Ditto.
2573 * calls.c (initialize_argument_information): Pass false as
2574 nontemporality to store_expr.
2575 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
2578 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2580 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
2582 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
2584 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2586 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
2587 and allow DECL_P here.
2589 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
2591 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
2592 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
2593 track of the size of the expression.
2594 * cfghooks.c (merge_blocks): Remove block from loops structure only
2595 after call of the merge_blocks hook.
2597 2007-06-09 Tom Tromey <tromey@redhat.com>
2599 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
2600 (deprecated_state): Removed.
2601 (start_decl): Update.
2602 (enum deprecated_states): Moved earlier.
2603 (groktypename): Update.
2604 (push_parm_decl): Likewise.
2605 (grokfield): Likewise.
2606 (start_function): Likewise.
2608 2007-06-09 Ian Lance Taylor <iant@google.com>
2610 PR tree-optimization/32169
2611 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
2612 CONVERT_EXPR, check whether min and max both converted to an
2613 overflow infinity representation.
2615 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
2617 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
2618 not inserted on the edge.
2620 2007-06-08 Bob Wilson <bob.wilson@acm.org>
2622 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
2623 instructions if they are supported.
2624 (__divsi3, __umodsi3, __modsi3): Likewise.
2625 (__ashldi3, __ashrdi3, __lshrdi3): New.
2626 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
2628 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
2629 Tony Linthicum <tony.linthicum@amd.com>
2631 * doc/extend.texi: Add fvect-cost-model flag.
2632 * common.opt (fvect-cost-model): New flag.
2633 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
2634 cost fields in stmt_vec_info struct for STMT.
2635 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
2636 fields in stmt_vec_info struct and access functions for the same.
2637 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
2638 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
2639 load, store and vector to scalar operation.
2640 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
2641 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
2642 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
2643 (TARG_VEC_STORE_COST): Define cost of vector store.
2644 (vect_estimate_min_profitable_iters): Define new function.
2645 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
2646 check to evaluate if loop iterations are less than minimum profitable
2647 iterations determined by cost model or minimum vect loop bound defined
2648 by user, whichever is more conservative.
2649 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
2650 run-time check to evaluate if loop iterations are less than minimum
2651 profitable iterations determined by cost model or minimum vect loop
2652 bound defined by user, whichever is more conservative.
2653 (vect_estimate_min_profitable_iterations): New function to estimate
2654 mimimimum iterartions required for vector version of loop to be
2655 profitable over scalar version.
2656 (vect_model_reduction_cost): New function.
2657 (vect_model_induction_cost): New function.
2658 (vect_model_simple_cost): New function.
2659 (vect_cost_strided_group_size): New function.
2660 (vect_model_store_cost): New function.
2661 (vect_model_load_cost): New function.
2662 (vectorizable_reduction): Call vect_model_reduction_cost during
2664 (vectorizable_induction): Call vect_model_induction_cost during
2666 (vectorizable_load): Call vect_model_load_cost during analysis phase.
2667 (vectorizable_store): Call vect_model_store_cost during analysis phase.
2668 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
2669 vectorizable_promotion, vectorizable_demotion): Call
2670 vect_model_simple_cost during analysis phase.
2672 2007-06-08 Simon Baldwin <simonb@google.com>
2674 * reg-stack.c (get_true_reg): Readability change. Moved default case
2675 label into direct switch statement scope.
2677 2007-06-08 Simon Baldwin <simonb@google.com>
2679 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
2680 in gcc_assert() with '==' comparison.
2682 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2684 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
2685 TARGET_ABM handling of x86_popcnt variable.
2687 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2689 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
2690 __builtin_copysignq and __builtin_infq built-in functions.
2692 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2694 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
2695 SSE4.2 section. Correct built-in function names in SSE4A section.
2697 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2699 PR tree-optimization/32243
2700 * tree-vect-transform.c (vectorizable_type_promotion): Move check
2701 for ncopies after ratio check between nunits_out and nunits_in.
2702 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
2704 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
2706 PR tree-optimization/32224
2707 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
2708 vectorization upon a non GIMPLE_MODIFY_STMT.
2710 2007-06-08 Christian Bruel <christian.bruel@st.com>
2713 * config/sh/sh.md (doloop_end): New pattern and splitter.
2714 * loop-iv.c (simple_rhs_p): Check for hardware registers.
2716 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
2719 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
2721 (verify_dominators): Do not change dominance tree.
2723 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
2725 * config/sh/constraints.md: New file.
2726 * config/sh/sh.c: Include tm-constrs.h.
2727 (reg_class_from_letter): Remove.
2728 (prepare_cbranch_operands): Use satisfies_constraint_*
2729 function instead of macro.
2730 (andcosts, broken_move, sh_secondary_reload): Likewise.
2731 * config/sh/predicates.md (trapping_target_operand): Likewise.
2732 (and_operand, arith_operand, arith_reg_or_0_operand,
2733 cmp_operand, logical_operand, target_operand,
2734 ua_address_operand, ua_offset, xor_operand): Likewise.
2735 * config/sh/sh.md: Include constraints.md.
2736 (*movsicc_t_false): Use satisfies_constraint_* function
2738 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
2739 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
2740 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
2741 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
2742 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
2743 (REG_CLASS_FROM_CONSTRAINT): Remove.
2744 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
2745 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
2746 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
2747 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
2748 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
2749 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
2750 function instead of macro.
2751 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2752 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
2753 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
2754 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
2755 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
2756 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
2757 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
2758 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
2759 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
2760 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
2761 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
2762 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
2763 EXTRA_CONSTRAINT_STR): Likewise.
2764 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
2766 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2768 * config/i386/darwin.h (STACK_BOUNDARY): Define.
2770 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
2773 * c-common.h (flag_cpp0x): Replaced by...
2774 (cxx_dialect): ... this new variable specifying the C++ dialect that
2776 * c-common.c (flag_cpp0x): Removed.
2777 (cxx_dialect): Defined.
2778 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
2780 * c-opts.c (c_common_post_options): Likewise.
2781 (set_std_cxx98): Set cxx_dialect to cxx98.
2782 (set_std_cxx0x): Set cxx_dialect to cxx0x.
2784 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2785 Hui-May Chang <hm.chang@apple.com>
2787 * doc/invoke.texi (Darwin Options): Update documentation for
2788 -mmacosx-version-min.
2789 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
2790 * config/darwin-driver.c: New file.
2791 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
2792 * config/t-darwin (darwin-driver.o): New rule.
2794 * config/darwin-c.c (version_as_macro): Ignore low digit.
2796 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
2798 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
2799 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
2800 (CSGNMODE): New mode macro.
2801 (CSGNVMODE): New mode attribute.
2802 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
2803 expander using CSGNMODE mode macro. Handle TFmode.
2804 (copysign<mode>3_const): Rename from copysignsf3_const and
2805 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
2807 (copysign<mode>3_var): Rename from copysignsf3_var and
2808 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
2810 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
2811 mode macro. Handle TFmode.
2812 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
2813 (iortf3, *iortf3): Ditto.
2814 (xortf3, *xortf3): Ditto.
2815 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
2816 TFmode and TImode masks.
2817 (ix86_expand_copysign): Expand TFmode copysign insn.
2818 (IX86_BUILTIN_INFQ): New.
2819 (IX86_BUILTIN_FABSQ): Ditto.
2820 (IX86_BUILTIN_COPYSIGNQ): Ditto.
2821 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
2822 [__builtin_fabsq]: Ditto.
2823 [__builtin_copysignq]: Ditto.
2824 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
2825 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
2826 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
2827 ix86_expand_binop_builtin().
2829 2007-06-07 Bob Wilson <bob.wilson@acm.org>
2831 * config/xtensa/lib1funcs.asm: Clean up whitespace.
2833 2007-06-07 Steve Ellcey <sje@cup.hp.com>
2836 * rtl.h (push_to_sequence2): New.
2837 * emit-rtl.c (push_to_sequence2): New.
2838 * function.c (assign_parm_data_all): Add new fields.
2839 (assign_parm_setup_block): Call push_to_sequence2 instead of
2841 (assign_parm_setup_reg): Ditto.
2842 (assign_parm_setup_stack): Ditto.
2843 (assign_parms_unsplit_complex): Ditto.
2844 (assign_parms): Change field name.
2846 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2848 PR tree-optimization/32220
2849 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
2850 phi node is reached before defining statement.
2852 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2855 * tree-vect-transform.c (vectorizable_call): Call update_stmt
2856 after changing the right hand side of the assignment.
2858 2007-06-06 Eric Christopher <echristo@apple.com>
2860 * config.gcc (i?86-*-darwin*): Remove arch parameter.
2861 (x86_64-*-darwin*): Ditto.
2862 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
2863 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
2865 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2867 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
2869 (add_key): Likewise.
2870 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
2871 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
2873 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
2875 (add_cost_one_coalesce): Likewise.
2876 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
2877 variable names. Rename orig to orig_name for consistency.
2878 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
2880 (cprop_into_successor_phis): Avoid using C++ keywords as variable
2882 (record_equivalences_from_stmt): Likewise.
2883 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
2884 the coding conventions.
2885 (memory_ssa_name_same): Likewise.
2886 (dse_optimize_stmt): Likewise.
2887 (dse_record_phis): Likewise.
2888 (dse_finalize_block): Likewise.
2889 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
2890 keywords as variable names.
2891 (may_move_till): Cast according to the coding conventions.
2892 (force_move_till_expr): Avoid using C++ keywords as variable names.
2893 (force_move_till): Cast according to the coding conventions.
2894 (memref_hash): Likewise.
2895 (memref_eq): Likewise.
2896 (gather_mem_refs_stmt): Likewise.
2897 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
2898 using C++ keywords as variable names.
2899 (idx_find_step): Cast according to the coding conventions.
2900 (idx_record_use): Likewise.
2901 (find_depends): Likewise.
2902 (prepare_decl_rtl): Likewise.
2903 (mbc_entry_hash): Likewise.
2904 (mbc_entry_eq): Likewise.
2905 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
2906 (simplify_replace_tree): Avoid using C++ keywords as variable names.
2907 (idx_infer_loop_bounds): Cast according to the coding conventions.
2908 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
2909 * tree-ssa-math-opts.c (occ_new ): Likwise.
2910 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
2912 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
2914 (add_use_op): Likewise.
2915 (add_vop): Likewise.
2916 (add_vuse_op): Likewise.
2917 (add_vdef_op): Likewise.
2918 (get_expr_operands): Likewise.
2919 (push_stmt_changes): Use type safe memory macros.
2920 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
2921 keywords as variable names.
2922 (conditional_replacement): Likewise.
2923 (minmax_replacement): Likewise.
2924 (abs_replacement): Likewise.
2925 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
2927 (insert_fake_stores): Avoid using C++ keywords as variable names.
2928 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
2930 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
2931 (heapvar_insert): Use type safe memory macros.
2932 (new_var_info): Cast according to the coding conventions.
2933 (new_constraint): Likewise.
2934 (remove_preds_and_fake_succs): Use type safe memory macros.
2935 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
2937 (thread_single_edge): Likewise.
2938 (thread_through_loop_header): Likewise.
2940 2007-06-06 Eric Christopher <echristo@apple.com>
2942 * config/i386/i386.c (override_options): Move handling
2943 of TARGET_SUBTARGET* earlier.
2945 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
2947 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
2950 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
2952 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
2953 emited outside of basic block.
2954 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
2956 * rtl.h (delete_insn_chain): Declaration changed.
2957 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
2959 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
2960 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
2961 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
2962 to delete_insn_chain.
2963 (rtl_verify_flow_info_1): Verify that the insns in header and footer
2964 do not have bb field set.
2965 (rtl_verify_flow_info): Verify that insns between basic blocks do not
2967 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
2968 * cfgcleanup.c (try_optimize_cfg): Ditto.
2970 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2972 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
2973 (lambda_body_vector_new): Use type safe memory macros.
2974 (lambda_linear_expression_new): Likewise.
2975 (lambda_loopnest_new): Likewise.
2976 (lambda_lattice_new): Likewise.
2977 (replace_uses_equiv_to_x_with_y): Cast according to the coding
2978 conventions. Use type safe memory macros.
2979 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
2980 (lambda_body_vector_s): Likewise.
2981 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
2982 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
2984 2007-06-06 Richard Guenther <rguenther@suse.de>
2986 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
2987 if we need to schedule cfg_cleanup.
2988 (tree_ssa_forward_propagate_single_use_vars): Do so.
2990 2007-06-06 Ian Lance Taylor <iant@google.com>
2992 * fold-const.c (merge_ranges): If range_successor or
2993 range_predecessor fail, just return 0.
2995 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2997 PR tree-optimization/32216
2998 * tree-vectorizer.c (supportable_widening_operation): Determine
2999 signedness of FIX_TRUNC_EXPR from output operand.
3000 (supportable_narrowing_operation): Ditto.
3001 * tree-vect-generic.c (expand_vector_operations_1): Determine
3002 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
3005 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3007 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
3008 (struct pta): ...from here. Change flags to unsigned to avoid
3009 excessive casting (as it is used as a bit mask).
3010 (override_options): Add casts according to the coding convenventions.
3011 (x86_64_elf_unique_section): Likewise.
3012 (examine_argument): Avoid using C++ keywords as variable names.
3013 (construct_container): Likewise.
3014 (legitimize_pic_address): Likewise.
3015 (get_dllimport_decl): Cast according to the coding conventions. Use
3016 type safe memory macros.
3017 (legitimize_address): Cast according to the coding conventions.
3018 (emit_i387_cw_initialization): Corrected the type of slot to enum
3020 (ix86_init_machine_status): Use type safe memory macros.
3021 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
3022 (bdesc_pcmpistr): Likewise.
3023 (bdesc_crc32): Likewise.
3024 (bdesc_sse_3arg): Likewise.
3025 (bdesc_2arg): Likewise.
3026 (bdesc_1arg): Likewise.
3027 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
3028 (ix86_expand_sse_pcmpistr): Likewise.
3029 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
3030 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
3031 int to match the langhook definition.
3032 (ix86_builtin_conversion): Change the type of code to unsigned init to
3033 match the langhook definition.
3034 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
3036 (ix86_preferred_output_reload_class): Likewise.
3037 (ix86_cannot_change_mode_class): Likewise.
3038 (ix86_memory_move_cost): Likewise.
3039 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
3040 avoid excessive casting later on.
3041 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
3043 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3045 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
3046 as flags setting insn.
3047 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
3049 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3051 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
3052 (UNSPEC_ROUND): New.
3053 ("sse4_1_round<mode>2"): New insn pattern.
3054 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
3056 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
3057 expander using SSEMODEF mode macro. Expand using
3058 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3059 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
3060 expander using SSEMODEF mode macro. Expand using
3061 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3062 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
3063 expander using SSEMODEF mode macro. Expand using
3064 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3065 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
3066 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
3067 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
3070 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
3071 Sebastian Pop <sebpop@gmail.com>
3073 * lambda.h (build_linear_expr): New.
3074 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
3075 Use build_linear_expr, call fold and force_gimple_operand.
3076 (lambda_loopnest_to_gcc_loopnest): Check that there is
3077 something to insert.
3078 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
3080 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3082 PR preprocessor/23479
3083 * doc/extend.texi: Document the 0b-prefixed binary integer
3086 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3088 PR tree-optimization/32215
3089 * tree-vectorizer.c (supportable_widening_operation): Return false
3090 for unsupported FIX_TRUNC_EXPR tree code.
3091 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
3093 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
3095 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
3096 register on SPE targets. Change documentation to reflect
3098 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
3099 Change FIXED_SCRATCH to 14 and document why we're keeping r14
3100 out of the register allocation pool.
3101 (rs6000_reg_live_or_pic_offset_p): New function.
3102 (rs6000_emit_prologue): Move the actual saving of LR up to free
3103 r0 for holding r11. Split saving of SPE 64-bit registers into
3104 its own case. Ensure that offsets will always be in-range for
3105 'evstdd' by using r11 as a scratch register to point at the start
3106 of the SPE save area. Save r11 if necessary, as it is the static
3108 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
3109 into its own case. Ensure that offsets will always be in-range
3110 for 'evldd' by using r11 as a scratch register to point at the
3111 start of the SPE save area. Also adjust r11 when restoring
3112 the stack pointer to compensate for pre-loading r11.
3114 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
3116 * cfg.c (init_flow): Use type safe memory macros.
3117 (alloc_block): Likewise.
3118 (unchecked_make_edge): Likewise.
3119 (dump_flow_info): Avoid using C++ keywords as variable names.
3120 (copy_original_table_clear): Cast according to the coding conventions.
3121 (copy_original_table_set): Likewise.
3122 * cfgexpand (label_rtx_for_bb): Likewise.
3123 (expand_gimple_basic_block): Likewise.
3124 * cfghooks.c (dump_bb): Likewise.
3125 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
3127 (lv_add_condition_to_bb): Likewise.
3128 * cfglayout (relink_block_chain): Cast according to the coding
3130 (fixup_reorder_chain): Likewise.
3131 (fixup_fallthru_exit_predecessor): Likewise.
3132 * cfgloop.c (glb_enum_p): Likewise.
3133 (get_exit_description): Likewise.
3134 (dump_recorded_exit): Likewise.
3135 * cfgloop.h (enum loop_estimation): Move out of struct scope...
3136 (struct loop): ... from here.
3137 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
3139 * cfgrtl.c (rtl_create_basic_block): Likewise.
3140 (rtl_split_block): Likewise.
3141 (rtl_dump_bb): Likewise.
3142 (cfg_layout_split_block): Likewise.
3143 (init_rtl_bb_info): Use typesafe memory macros.
3145 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
3146 * graphds.h: Updated all usages of edge to graph_edge.
3147 * graphds.c: Likewise.
3148 * cfgloopanal.c: Likewise.
3150 2007-06-05 Ian Lance Taylor <iant@google.com>
3152 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
3153 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
3154 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
3156 (test_for_singularity): Likewise.
3158 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3160 * config/i386/constraints.md ("Y2"): Replaced by ...
3162 * config/i386/i386.md: Likewise.
3163 * config/i386/mmx.md: Likewise.
3164 * config/i386/sse.md: Likewise.
3166 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3168 * config/i386/constraints.md ("z"): Replaced by ...
3170 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
3171 (sse4_1_blendvps): Likewise.
3172 (sse4_1_pblendvb): Likewise.
3173 (sse4_2_pcmpestr): Likewise.
3174 (sse4_2_pcmpestrm): Likewise.
3175 (sse4_2_pcmpestr_cconly): Likewise.
3176 (sse4_2_pcmpistr): Likewise.
3177 (sse4_2_pcmpistrm): Likewise.
3178 (sse4_2_pcmpistr_cconly): Likewise.
3180 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
3182 * matrix-reorg.c (transform_access_sites): Fix computation.
3183 (transform_allocation_sites): Same.
3185 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3187 * config/i386/i386.c (override_options): Use
3188 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
3190 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3192 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
3193 (nonimm_not_xmm0_operand): Ditto.
3194 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
3195 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
3196 as operand[2] predicate. Require "z" class XMM register for
3197 operand[3]. Adjust asm template.
3198 ("sse4_1_blendvpd"): Ditto.
3199 ("sse4_1_pblendvb"): Ditto.
3200 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
3201 force op2 into xmm0 register for variable blend instructions.
3203 2007-06-04 Tom Tromey <tromey@redhat.com>
3205 * c-tree.h (start_enum): Update.
3206 (build_enumerator): Likewise.
3207 * c-decl.c (enum_next_value): Removed.
3208 (enum_overflow): Likewise.
3209 (start_enum): Add c_enum_contents argument. Don't use globals.
3210 (build_enumerator): Likewise.
3211 * c-tree.h (struct c_enum_contents): New struct.
3213 2007-06-04 Tom Tromey <tromey@redhat.com>
3215 * c-common.c (c_common_get_alias_set): Fix indentation.
3217 2007-06-04 Ian Lance Taylor <iant@google.com>
3219 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
3220 to overflow, reduce overflow infinity to regular infinity.
3221 (vrp_var_may_overflow): New static function.
3222 (vrp_visit_phi_node): Check vrp_var_may_overflow.
3224 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
3226 * stor-layout.c (layout_type): Remove duplicate code.
3228 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
3231 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
3232 before build_common_builtin_nodes ().
3234 2007-06-04 Steve Ellcey <sje@cup.hp.com>
3237 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
3239 2007-06-04 Jan Hubicka <jh@suse.cz>
3241 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
3242 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
3243 instead of _stat version.
3245 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3247 PR tree-optimization/32194
3248 * tree-predcom.c (determine_offset): Check that both references have
3251 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3253 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
3254 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
3255 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3256 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
3257 Add argument to iterate_fix_dominators call.
3258 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
3259 * gcse.c (hoist_code): Change domby to vector.
3260 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
3261 Add argument to iterate_fix_dominators call.
3262 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3263 recompute_dominator.
3264 * lambda-code.c (perfect_nestify): Ditto.
3265 * cfgloopanal.c: Include graphds.h.
3266 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3267 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3268 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3270 * graphds.c: New file.
3271 * graphds.h: New file.
3272 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3273 (get_dominated_by, get_dominated_by_region): Change return type to
3275 (verify_dominators): Recompute all dominators and compare the results.
3276 (recount_dominator): Renamed to ...
3277 (recompute_dominator): ... this. Do not check that the block is
3279 (iterate_fix_dominators): Reimplemented.
3280 (prune_bbs_to_update_dominators, root_of_dom_tree,
3281 determine_dominators_for_sons): New functions.
3282 * et-forest.c (et_root): New function.
3283 * et-forest.h (et_root): Declare.
3284 * Makefile.in (graphds.o): Add.
3285 (cfgloopanal.o): Add graphds.h dependency.
3286 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3287 * basic-block.h (get_dominated_by, get_dominated_by_region,
3288 iterate_fix_dominators): Declaration changed.
3289 (recount_dominator): Renamed to ...
3290 (recompute_dominator): ... this.
3291 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3292 (thread_through_all_blocks): Do not free dominance info.
3294 2007-06-03 Andreas Schwab <schwab@suse.de>
3296 * config/m68k/m68k.c (override_options): Don't override
3298 * config/m68k/m68k-modes.def (SF, DF): Define to use
3299 motorola_single_format and motorola_double_format, resp.
3300 * real.c (motorola_single_format): Renamed from
3301 coldfire_single_format.
3302 (motorola_double_format): Renamed from coldfire_double_format.
3303 (encode_ieee_extended): Generate a proper canonical NaN image
3304 respecting canonical_nan_lsbs_set.
3305 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3307 * real.h: Adjust declarations.
3309 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3312 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3313 the symbol is generated with the stack protector.
3315 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3317 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3318 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3320 * doc/extend.texi (interrupt): Mention m68k.
3322 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3324 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3325 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3326 (ix86_expand_sse_pcmpestr): Do not check operands for
3327 "register_operand", when insn operand predicate is "register_operand".
3328 (ix86_expand_sse_pcmpistr): Ditto.
3330 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3331 Uros Bizjak <ubizjak@gmail.com>
3333 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3334 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3335 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3336 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3337 * config/i386/constraints.md ("z"): New register constraint
3338 for members of SSE_FIRST_REG class.
3339 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3340 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3341 SSE_FIRST_REG class.
3342 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3343 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3344 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3345 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3346 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3347 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3348 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3349 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3350 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3351 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3352 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3353 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3354 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3355 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3356 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3357 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3358 (struct builtin_description): Change "flag" field to unsigned.
3359 (bdesc_pcmpestr): New builtin description table.
3360 (bdesc_pcmpistr): Likewise.
3361 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3362 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3363 Initialize pcmp[ei]str[im] insns for SSE4.2.
3364 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3365 (ix86_expand_sse_pcmpistr): Likewise.
3366 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3367 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3368 (UNSPEC_PCMPISTR): Likewise.
3369 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3370 (sse4_2_pcmpestri):New isns pattern.
3371 (sse4_2_pcmpestrm): Likewise.
3372 (sse4_2_pcmpestr_cconly): Likewise.
3373 (sse4_2_pcmpistr): New insn patern and splitter.
3374 (sse4_2_pcmpistri):New isns pattern.
3375 (sse4_2_pcmpistrm): Likewise.
3376 (sse4_2_pcmpistr_cconly): Likewise.
3377 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3380 2007-06-01 David Daney <ddaney@avtrex.com>
3382 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3383 LOADGP_ABSOLUTE and not binds_local_p.
3385 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3387 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3389 2007-06-01 Ian Lance Taylor <iant@google.com>
3391 * tree-vrp.c (compare_name_with_value): Always set
3392 used_strict_overflow if we get a result from the variable itself.
3394 2007-06-01 Ian Lance Taylor <iant@google.com>
3396 PR rtl-optimization/31455
3397 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3398 subregs which have a cast between modes which are not tieable.
3400 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3402 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3403 breaks after return statements.
3405 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3407 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3408 only after no_new_pseudos.
3410 2007-05-31 Eric Christopher <echristo@apple.com>
3412 * expr.c (convert_move): Assert that we don't have a BLKmode
3414 (store_expr): Handle BLKmode moves by calling emit_block_move.
3416 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3418 * c-typeck.c (build_indirect_ref): Include type in error message.
3419 (build_binary_op): Pass types to binary_op_error.
3420 * c-common.c (binary_op_error): Take two type arguments, print out
3422 * c-common.h (binary_op_error): Update prototype.
3424 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3426 * config/i386/i386.c: Correct coments on -mno-sse4.
3428 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3430 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3431 (x86_64-*-*): Likewise.
3432 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3433 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3434 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3435 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3436 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3437 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3438 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3439 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3440 (OPTION_MASK_ISA_SSE4): Likewise.
3441 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3442 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3443 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3444 (override_options): Support SSE4.2.
3445 (ix86_build_const_vector): Support SImode and DImode.
3446 (ix86_build_signbit_mask): Likewise.
3447 (ix86_expand_int_vcond): Support V2DImode.
3448 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3449 (IX86_BUILTIN_CRC32HI): Likewise.
3450 (IX86_BUILTIN_CRC32SI): Likewise.
3451 (IX86_BUILTIN_CRC32DI): Likewise.
3452 (IX86_BUILTIN_PCMPGTQ): Likewise.
3453 (bdesc_crc32): Likewise.
3454 (bdesc_sse_3arg): Likewise.
3455 (ix86_expand_crc32): Likewise.
3456 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3457 (ix86_expand_builtin): Likewise.
3458 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3459 __SSE4_2__ for -msse4.2.
3460 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3461 (CRC32MODE): Likewise.
3462 (crc32modesuffix): Likewise.
3463 (crc32modeconstraint): Likewise.
3464 (sse4_2_crc32<mode>): Likewise.
3465 (sse4_2_crc32di): Likewise.
3466 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3468 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3469 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3470 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3471 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3472 (vcondu<mode>): Likewise.
3473 * doc/extend.texi: Document SSE4.2 built-in functions.
3474 * doc/invoke.texi: Document -msse4.2/-msse4.
3476 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3478 PR tree-optimization/32160
3479 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3480 variable as gimple reg.
3481 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3483 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3485 * gcc.c (main): Don't consider linker options when issuing the
3486 warning about a linker input file not being used.
3488 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3490 * tree-vrp.c (compare_names): Initialize sop.
3492 2007-05-30 Dirk Mueller <dmueller@suse.de>
3494 * cgraphunit.c (cgraph_analyze_function): Remove
3495 computation of inline parameters.
3497 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3499 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
3501 2007-05-30 Richard Sandiford <richard@codesourcery.com>
3503 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
3504 Add vx-common.h. Include vxworks.h between vx-common.h and
3506 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
3508 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
3509 (TARGET_ASM_DESTRUCTOR): Likewise.
3510 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
3511 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
3512 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3513 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
3514 (VXWORKS_ENDIAN_SPEC): Define.
3515 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
3516 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
3517 VXWORKS_* equivalents.
3518 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
3519 (ASM_FILE_START): Delete.
3520 (TARGET_VERSION): Reformat.
3521 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
3522 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
3523 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3524 (FPBIT, DPBIT): Define.
3525 (fp-bit.c, dp-bit.c): New rules.
3526 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
3527 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
3528 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
3529 * config/arm/arm.h: Include vxworks-dummy.h.
3530 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
3531 Mark with ATTRIBUTE_UNUSED.
3532 (arm_override_options): Do not allow VxWorks RTP PIC to be used
3533 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
3534 make it incompatible with -msingle-pic-base.
3535 (arm_function_ok_for_sibcall): Return false for calls that might
3536 go through a VxWorks PIC PLT entry.
3537 (require_pic_register): New function, split out from...
3538 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
3540 (arm_load_pic_register): Handle the VxWorks RTP initialization
3541 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
3542 (arm_emit_call_insn): New function.
3543 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
3544 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
3545 (pic_offset_arm): New pattern.
3546 (call, call_value): Use arm_emit_call_insn.
3547 (call_internal, call_value_internal): New expanders.
3548 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
3549 VxWorks unless __PIC__.
3551 2007-05-30 Eric Christopher <echristo@gmail.com>
3553 * genrecog.c: Include regs.h in generated file.
3554 * genemit.c: Ditto. Fix up formatting.
3555 * config/mn10300/constraints.md: New.
3556 * config/mn10300/mn10300.md: Include.
3557 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
3558 Fix up for removed macro.
3559 * config/mn10300/predicates.md (call_address_operand): Ditto.
3560 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
3561 (CONST_OK_FOR_I): Ditto.
3562 (CONST_OK_FOR_J): Ditto.
3563 (CONST_OK_FOR_K): Ditto.
3564 (CONST_OK_FOR_L): Ditto.
3565 (CONST_OK_FOR_M): Ditto.
3566 (CONST_OK_FOR_N): Ditto.
3567 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
3571 (EXTRA_CONSTRAINT): Ditto.
3573 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3575 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
3577 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
3578 OPTION_MASK_ISA_64BIT.
3579 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
3581 2007-05-30 Richard Guenther <rguenther@suse.de>
3584 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
3585 types for comparison.
3586 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
3587 with original typed arguments.
3588 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
3590 2007-05-30 Jakub Jelinek <jakub@redhat.com>
3592 PR tree-optimization/31769
3593 * except.c (duplicate_eh_regions): Clear prev_try if
3594 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
3596 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3598 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
3599 * tree-ssa-sink.c (statement_sink_location): Return basic block and
3600 bsi of the location where statements should be inserted.
3601 (sink_code_in_bb): Take bsi from statement_sink_location.
3602 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
3603 instead of bsi_start.
3604 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
3606 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
3607 (bsi_move_before): Document inconsistency with bsi_move_after.
3608 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
3610 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3612 * config/i386/i386.h (TARGET_ABM): New define.
3613 (TARGET_POPCNT): Ditto.
3614 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
3615 New temporary defines to redefine from OPTION_ISA_* defines.
3616 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
3617 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
3618 (ix86_isa_flags): New extern int declaration.
3619 (TARGET_SUBTARGET_DEFAULT): New define.
3620 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
3621 (TARGET_SUBTARGET32_DEFAULT): Ditto.
3622 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
3623 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3624 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
3625 * config/i386/darwin.h: Change TARGET_64BIT define to
3628 * config/i386/i386.opt (m3dnowa): Define as undocumented option
3629 using existing "ix86_isa_flags" varible.
3630 (m32, m64): Use existing "ix86_isa_flags" variable.
3631 (mmmx, m3dnow): Ditto.
3632 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
3633 (mabm): Define as non-negative option using "x86_abm" variable.
3634 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
3636 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
3637 Rewrite feature test bitmap.
3638 (ix86_isa_flags): New initialized global int varible.
3639 (ix86_isa_flags_explicit): New static int variable.
3640 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
3641 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
3642 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
3643 target_flags_explicit.
3644 (override_options): Remove "target_enable" and "target_disable" fields
3645 from "struct ptt". Update processor_target_table accordingly. Remove
3646 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
3647 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
3648 "target_flags" and "ix86_isa_flags_explicit" instead of
3649 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
3650 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
3651 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
3652 to true when either of PTA_POPCNT or PTA_ABM is set in
3653 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
3654 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
3655 processor_alias_table flags entry. Remove handling of
3656 "target_enable" and "target_disable" fields of processor_target_table.
3657 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
3658 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
3659 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
3660 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
3661 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
3663 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
3665 2007-05-29 David Daney <ddaney@avtrex.com>
3668 * config/mips/mips.c (mips_output_mi_thunk): Emit
3669 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
3671 2007-05-29 Hui-May Chang <hm.chang@apple.com>
3672 * config/i386/i386.c (ix86_function_regparm): Added checking of
3673 ix86_force_align_arg_pointer to determine the number of
3674 register parameters.
3676 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
3678 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
3679 (SET_DR_MISALIGNMENT): New.
3680 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
3681 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
3682 Use SET_DR_MISALIGNMENT.
3683 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
3685 * tree-data-ref.c (create_data_ref, compute_all_dependences,
3686 find_loop_nest): Export.
3687 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
3688 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
3689 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
3690 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
3692 (struct mem_ref): Add field reuse_distance.
3693 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
3694 Initialize reuse_distance field.
3695 (issue_prefetch_ref): Select temporality of prefetch according to
3697 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
3698 self_reuse_distance, determine_loop_nest_reuse): New functions.
3699 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
3700 (tree_ssa_prefetch_arrays): Dump L2 cache size.
3701 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
3704 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
3706 * tree-ssa-alias.c: Add aliasing overview.
3708 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
3709 Danny Smith <dannysmith@users.sourceforge.net>
3712 * config/i386/t-crtfm: Compile crtfastmath.o with
3713 -minline-all-stringops.
3714 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
3715 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
3717 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3719 * doc/md.texi: Document constraints on HP PA-RISC.
3721 * pa/constraints.md: New file.
3722 * pa.md: Include constraints.md.
3723 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
3724 (integer_store_memory_operand, ldil_cint_p): New functions.
3725 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
3726 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
3727 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
3728 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
3729 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
3731 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
3734 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
3735 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
3736 case POSTDECREMENT_EXPR>): Return the error_mark_node
3737 if either the real or imaginary parts would an
3740 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
3742 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
3743 name when we remove it from a call.
3745 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
3747 * targhooks.c (default_narrow_bitfield): Remove.
3748 * targhooks.h: Remove the prototype for
3749 default_narrow_bitfield.
3751 * langhooks-def.h: Remove the prototype for
3752 hook_get_alias_set_0.
3753 * langhooks.c (hook_get_alias_set_0): Remove.
3755 * global.c (EXECUTE_IF_CONFLICT): Remove.
3757 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3760 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
3761 return true when truth_value_p is true and the type
3764 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
3766 * doc/install.texi (Prerequisites): We no longer require Autoconf
3767 2.13 for the top-level.
3769 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
3771 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
3772 memory access via x86_expand_vector_move_misalign() only for
3773 TImode values on 32-bit targets.
3775 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
3777 * matrix-reorg.c: New file. Implement matrix flattening and
3778 transposing optimization.
3779 * tree-pass.h: Add matrix reorg pass.
3780 * common.opt: Add fipa-mreorg flag.
3781 * Makefile.in: Add matrix-reorg.c.
3782 * passes.c: Add matrix reorg pass.
3783 * varpool.c (add_new_static_var): New function.
3784 * cgraph.h (add_new_static_var): Declare.
3786 2007-05-27 Eric Christopher <echristo@apple.com>
3788 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
3789 sp_offset depending on stack size. Save r12 depending
3790 on registers we're saving later.
3791 (rs6000_emit_epilogue): Update sp_offset depending only
3794 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
3796 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
3797 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3798 * ifcvt.c (if_convert): Ditto.
3799 * tree-ssa-threadupdate.c (thread_block): Ditto.
3800 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
3801 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
3802 verify_loop_closed_ssa): Check number_of_loops instead of
3804 * predict.c (tree_estimate_probability): Ditto.
3805 * tree-if-conv.c (main_tree_if_conversion): Ditto.
3806 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3807 * modulo-sched.c (sms_schedule): Ditto.
3808 * tree-scalar-evolution.c (scev_const_prop): Ditto.
3809 (scev_finalize): Do not do anything if scev analysis was not
3811 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
3812 current_loops == NULL.
3813 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
3814 * loop-init.c (loop_optimizer_init): Do not free current_loops when
3816 (loop_optimizer_finalize): Assert that loops were analyzed.
3817 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
3818 rtl_doloop): Check number_of_loops instead of current_loops.
3819 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
3820 current_loops == NULL.
3821 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
3822 gate_tree_vectorize tree_linear_transform, check_data_deps,
3823 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3824 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
3825 Check number_of_loops instead of current_loops.
3826 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
3827 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
3828 free loops if available.
3829 (execute_pre): Do not pass do_fre to fini_pre.
3831 2007-05-27 Tobias Burnus <burnus@net-b.de>
3834 * real.c (mpfr_from_real): Fix sign of -Inf.
3836 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
3838 * tree-vect-transform.c (vectorizable_conversion): Initialize
3839 tree_code variables to ERROR_MARK.
3840 (vectorizable_type_demotion): Likewise.
3841 (vectorizable_type_promotion): Likewise.
3843 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3846 * config/i386/i386.md (movti): Handle push operands via
3849 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3851 * basic-block.h: Remove the prototype for merge_seq_blocks.
3852 * cfgcleanup.c (merge_seq_blocks): Remove.
3854 * tree-flow.h: Remove the prototype for is_aliased_with.
3855 * tree-ssa-alias.c (is_aliased_with): Remove.
3857 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
3859 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
3861 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
3863 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
3864 ix86_expand_sse4_unpack if SSE4.1 is enabled.
3865 (vec_unpacks_hi_v16qi): Likewise.
3866 (vec_unpacku_lo_v16qi): Likewise.
3867 (vec_unpacks_lo_v16qi): Likewise.
3868 (vec_unpacku_hi_v8hi): Likewise.
3869 (vec_unpacks_hi_v8hi): Likewise.
3870 (vec_unpacku_lo_v8hi): Likewise.
3871 (vec_unpacks_lo_v8hi): Likewise.
3872 (vec_unpacku_hi_v4si): Likewise.
3873 (vec_unpacks_hi_v4si): Likewise.
3874 (vec_unpacku_lo_v4si): Likewise.
3875 (vec_unpacks_lo_v4si): Likewise.
3877 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3879 * c-typeck.c, config/arm/arm.c, config/darwin.c,
3880 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
3881 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
3882 follow spelling conventions in various
3883 warning/error/diagnostic messages.
3885 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
3886 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
3887 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
3888 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
3889 tree-vrp.c: Fix comment typos. Follow spelling conventions.
3890 * doc/tm.texi: Follow spelling conventions.
3892 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3895 * tree-ssa-forwprop.c
3896 (forward_propagate_addr_into_variable_array_index): Remove
3897 the lhs argument. Use the type of def_rhs instead of lhs.
3898 (forward_propagate_addr_expr_1): Update use of
3899 forward_propagate_addr_into_variable_array_index.
3901 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
3902 Nigel Stephens <nigel@mips.com>
3904 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
3905 function attributes, "far" being an alias for "long_call".
3906 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
3907 (mips_near_type_p, mips_far_type_p): New.
3908 (mips_comp_type_attributes): New function to check that attributes
3909 attached to a function type are compatible.
3910 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
3911 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
3912 to the target function of the thunk.
3913 (mips_encode_section_info): Check for "near" and "far" function
3914 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
3916 * config/mips/predicates.md (const_call_insn_operand): Test only
3917 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
3919 * doc/extend.texi (Function Attributes): Document MIPS "near" and
3922 * testsuite/gcc.target/mips/near-far-1.c: New test case.
3923 * testsuite/gcc.target/mips/near-far-2.c: New test case.
3924 * testsuite/gcc.target/mips/near-far-3.c: New test case.
3925 * testsuite/gcc.target/mips/near-far-4.c: New test case.
3927 2007-05-25 Eric Christopher <echristo@apple.com>
3929 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
3930 to x86-darwin configurations.
3931 * config/i386/t-darwin: Add softfp support.
3932 * config/i386/t-darwin64: Ditto.
3933 * config/i386/sfp-machine.h: If mach then don't use
3934 aliasing, emit a stub to call.
3936 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
3938 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
3939 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
3940 tree-predcom.c, tree-ssa-alias-warnings.c,
3941 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
3942 comment typos. Follow spelling conventions.
3943 * doc/cpp.texi, doc/invoke.texi: Fix typos.
3945 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3948 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
3949 constants into memory. Expand unaligned memory references for
3950 SSE modes via x86_expand_vector_move_misalign() function.
3952 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
3954 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
3955 "memory" attribute for "sseishft" type insn without operands[2].
3957 2007-05-25 Dirk Mueller <dmueller@suse.de>
3958 Marcus Meissner <meissner@suse.de>
3960 * doc/extend.texi (alloc_size): New attribute.
3961 * c-common.c (handle_alloc_size_attribute): New.
3962 * tree-object-size.c (alloc_object_size): Use alloc_size
3963 attribute, if available.
3965 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3967 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
3969 (__builtin_ia32_vec_ext_v2di): Likewise.
3970 (__builtin_ia32_vec_ext_v4si): Likewise.
3971 (__builtin_ia32_vec_ext_v8hi): Likewise.
3972 (__builtin_ia32_vec_ext_v16qi): Likewise.
3973 (__builtin_ia32_vec_set_v8hi): Likewise.
3975 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3977 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
3979 2007-05-25 Richard Sandiford <richard@codesourcery.com>
3981 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
3982 (arm_is_longcall_p): Rename to...
3983 (arm_is_long_call_p): ...this. Take a single tree argument and
3985 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
3986 (CUMULATIVE_ARGS): Remove call_cookie.
3987 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
3988 (ENCODED_LONG_CALL_ATTR_P): Delete.
3989 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
3990 LONG_CALL_FLAG_CHAR cases.
3991 (ARM_DECLARE_FUNCTION_SIZE): Delete.
3992 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
3993 ARM_DECLARE_FUNCTION_SIZE.
3994 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
3995 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
3996 (arm_encode_call_attribute, current_file_function_operand): Delete.
3997 (arm_function_in_section_p): New function.
3998 (arm_is_longcall_p): Rename to...
3999 (arm_is_long_call_p): ...this. Take the target function as a single
4000 argument and return a bool. Do not rely on call cookies. Check
4001 whether the target symbol is in the same section as the current
4002 function, not just the same compilation unit.
4003 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
4004 (arm_encode_section_info): Don't encode a call type.
4005 * config/arm/arm.md (call, call_value): Update calls to
4006 arm_is_long(_)call_p. Simplify logic.
4007 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
4008 Update calls to arm_is_long(_)call_p.
4010 2007-05-25 Richard Guenther <rguenther@suse.de>
4012 PR tree-optimization/31982
4013 * tree-ssa-forwprop.c
4014 (forward_propagate_addr_into_variable_array_index): Handle arrays
4015 with element size one.
4017 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
4019 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
4020 (umulsi3_highpart): Likewise.
4022 2007-05-24 Ian Lance Taylor <iant@google.com>
4024 PR rtl-optimization/32069
4025 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
4028 2007-05-24 Ollie Wild <aaw@google.com>
4030 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
4033 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
4035 * postreload-gcse.c (reg_changed_after_insn_p): New function.
4036 (oprs_unchanged_p): Use it to check all registers in a REG.
4037 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
4038 (reg_set_between_after_reload_p): Delete.
4039 (reg_used_between_after_reload_p): Likewise.
4040 (reg_set_or_used_since_bb_start): Likewise.
4041 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
4042 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
4043 Use reg_set_between_p instead of reg_set_between_after_reload_p.
4044 * rtlanal.c (reg_set_p): Check whether REG overlaps
4045 regs_invalidated_by_call, rather than just checking the
4046 membership of REGNO (REG).
4048 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4050 * doc/passes.texi: Document predictive commoning.
4051 * doc/invoke.texi (-fpredictive-commoning): Document.
4052 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
4053 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
4054 adding indices to the generated name.
4055 (schedule_sm): Pass 0 to get_lsm_tmp_name.
4056 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
4057 * tree-pretty-print.c (op_symbol_1): Renamed to ...
4058 (op_symbol_code): ... and exported.
4059 (dump_omp_clause, op_symbol): Use op_symbol_code
4060 instead of op_symbol_1.
4061 * tree-pass.h (pass_predcom): Declare.
4062 * timevar.def (TV_PREDCOM): New timevar.
4063 * tree-ssa-loop.c (run_tree_predictive_commoning,
4064 gate_tree_predictive_commoning, pass_predcom): New.
4065 * tree-data-ref.c (find_data_references_in_loop): Find the
4066 references in dominance order.
4067 (canonicalize_base_object_address): Ensure that the result has
4069 (dr_analyze_innermost): Export.
4070 (create_data_ref): Code to fail for references with invariant
4072 (find_data_references_in_stmt): ... here.
4073 * tree-data-ref.h (dr_analyze_innermost): Declare.
4074 * tree-affine.c: Include tree-gimple.h and hashtab.h.
4075 (aff_combination_find_elt, name_expansion_hash,
4076 name_expansion_eq, tree_to_aff_combination_expand,
4077 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
4079 * tree-affine.h (aff_combination_constant_multiple_p,
4080 tree_to_aff_combination_expand): Declare.
4081 * tree-predcom.c: New file.
4082 * common.opt (fpredictive-commoning): New option.
4083 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
4084 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
4085 * Makefile.in (tree-predcom.o): Add.
4086 (tree-affine.o): Add TREE_GIMPLE_H dependency.
4087 * passes.c (init_optimization_passes): Add dceloop after
4088 copy propagation in loop optimizer. Add predictive commoning
4089 to loop optimizer passes.
4091 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4093 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
4096 2007-05-24 Jan Hubicka <jh@suse.cz>
4098 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
4100 (genheader): Include statistics.h.
4102 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
4104 * print-rtl.c (flag_dump_unnumbered): Update comments.
4105 (print_rtl): Fix my previous change.
4106 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
4109 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4112 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
4114 (thread_through_all_blocks): Call initialize_original_copy_tables
4115 and free_original_copy_tables.
4116 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
4118 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
4119 * cfghooks.c (duplicate_block): Use get_loop_copy.
4120 * cfg.c: Include cfgloop.h.
4121 (loop_copy): New hash table.
4122 (initialize_original_copy_tables): Initialize loop_copy table.
4123 (free_original_copy_tables): Free loop_copy table.
4124 (copy_original_table_clear, copy_original_table_set,
4125 set_loop_copy, get_loop_copy): New functions.
4126 (set_bb_original, set_bb_copy): Use copy_original_table_set.
4127 * cfgloop.h (struct loop): Remove copy field.
4128 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
4129 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
4131 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4133 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
4134 -msse/-msse2/-msse3.
4136 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4138 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
4139 __builtin_ia32_vec_set_v2di with MASK_64BIT.
4141 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
4144 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
4145 * targhooks.h (default_mangle_decl_assembler_name): Declare
4147 * targhooks.c (default_mangle_decl_assembler_name): Define
4149 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
4151 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
4152 * langhooks.c (lhd_set_decl_assembler_name): Call
4153 targetm.mangle_decl_assembler_name for names with global scope.
4155 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
4157 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
4158 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
4160 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
4161 New. Factored out of i386_pe_encode_section_info.
4162 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
4163 Move check for prior decoration of stdcall
4164 symbols to i386_pe_encode_section_info.
4165 (i386_pe_encode_section_info): Adjust call to
4166 gen_stdcall_or_fastcall_suffix. Use
4167 i386_pe_maybe_mangle_decl_assembler_name, if needed.
4168 (i386_pe_mangle_decl_assembler_name): New. Wrap
4169 i386_pe_maybe_mangle_decl_assembler_name.
4171 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
4173 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
4174 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
4175 * langhooks.c (get_signed_or_unsigned_type): Don't check for
4176 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
4177 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
4180 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
4181 Nigel Stephens <nigel@mips.com>
4182 Richard Sandiford <richard@codesourcery.com>
4184 Fix up MIPS16 hard float and add support for complex.
4186 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
4187 (TARGET_SOFT_FLOAT_ABI): New.
4188 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
4189 __mips_soft_float to reflect the ABI in use, not whether the
4190 FPU is directly accessible (e.g., in MIPS16 mode).
4191 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
4192 (UNITS_PER_FPVALUE): Likewise.
4194 * config/mips/mips.c (mips_expand_call): Remove redundant
4195 TARGET_MIPS16 check.
4196 (mips_arg_regno): New.
4197 (function_arg_advance): When setting bits in cum->fp_code for
4198 MIPS16, don't subtract 1 from cum->arg_number, since it is now
4200 (function_arg): Use mips_arg_regno.
4201 (mips_return_mode_in_fpr_p): New.
4202 (mips16_call_stub_mode_suffix): New.
4203 (mips16_cfun_returns_in_fpr_p): New.
4204 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
4205 (mips_output_function_prologue): Test mips16_hard_float, not
4206 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
4207 (mips_expand_epilogue): Call MIPS16 helper routines to copy
4208 return value into a floating-point register.
4209 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
4210 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
4211 (mips16_fp_args): Handle MIPS32r2 ISA which supports
4212 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
4213 word of double arguments from or to the high bits of 64-bit
4214 floating point registers.
4215 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
4216 (mips16_fpret_double): New helper function.
4217 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
4218 support for complex modes. Fill in DECL_RESULT for stubdecl.
4219 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
4221 * config/mips/mips16.S
4222 (RET, ARG1, ARG2): New.
4223 (MERGE_GPRf, MERGE_GPRt): New.
4224 (DELAYt, DELAYf): New.
4225 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
4226 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
4227 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
4228 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
4229 (SFOP): Renamed to...
4230 (OPSF3): This, and macro-ified. Updated all uses.
4231 (SFOP2): Renamed to...
4232 (OPSF2): This, and macro-ified. Updated all uses.
4233 (SFCMP): Renamed to...
4234 (CMPSF): This, and macro-ified. Updated all uses.
4235 (SFREVCMP): Renamed to...
4236 (REVCMPSF): This, and macro-ified. Updated all uses.
4237 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
4238 (LDDBL1, LDDBL2, RETDBL): Deleted.
4239 (DFOP): Renamed to...
4240 (OPDF3): This, and macro-ified. Updated all uses.
4241 (DFOP2): Renamed to...
4242 (OPDF2): This, and macro-ified. Updated all uses.
4243 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
4244 (DFCMP): Renamed to...
4245 (CMPDF): This, and macro-ified. Updated all uses.
4246 (DFREVCMP): Renamed to...
4247 (REVCMPDF): This, and macro-ified. Updated all uses.
4248 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
4249 (RET_FUNCTION): New.
4250 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
4251 (__mips16_ret_sc, __mips16_ret_dc): New.
4252 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
4253 STUB_ARGS_6, STUB_ARGS_10): New.
4254 (CALL_STUB_NO_RET): New.
4255 (__mips16_call_stub_1): Macro-ified.
4256 (__mips16_call_stub_5): Macro-ified.
4257 (__mips16_call_stub_2): Macro-ified.
4258 (__mips16_call_stub_6): Macro-ified.
4259 (__mips16_call_stub_9): Macro-ified.
4260 (__mips16_call_stub_10): Macro-ified.
4261 (CALL_STUB_RET): New.
4262 (__mips16_call_stub_sf_0): Macro-ified.
4263 (__mips16_call_stub_sf_1): Macro-ified.
4264 (__mips16_call_stub_sf_5): Macro-ified.
4265 (__mips16_call_stub_sf_2): Macro-ified.
4266 (__mips16_call_stub_sf_6): Macro-ified.
4267 (__mips16_call_stub_sf_9): Macro-ified.
4268 (__mips16_call_stub_sf_10): Macro-ified.
4269 (__mips16_call_stub_df_0): Macro-ified.
4270 (__mips16_call_stub_df_1): Macro-ified.
4271 (__mips16_call_stub_df_5): Macro-ified.
4272 (__mips16_call_stub_df_2): Macro-ified.
4273 (__mips16_call_stub_df_6): Macro-ified.
4274 (__mips16_call_stub_df_9): Macro-ified.
4275 (__mips16_call_stub_df_10): Macro-ified.
4276 (__mips16_call_stub_sc_0): New.
4277 (__mips16_call_stub_sc_1): New.
4278 (__mips16_call_stub_sc_5): New.
4279 (__mips16_call_stub_sc_2): New.
4280 (__mips16_call_stub_sc_6): New.
4281 (__mips16_call_stub_sc_9): New.
4282 (__mips16_call_stub_sc_10): New.
4283 (__mips16_call_stub_dc_0): New.
4284 (__mips16_call_stub_dc_1): New.
4285 (__mips16_call_stub_dc_5): New.
4286 (__mips16_call_stub_dc_2): New.
4287 (__mips16_call_stub_dc_6): New.
4288 (__mips16_call_stub_dc_9): New.
4289 (__mips16_call_stub_dc_10): New.
4291 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
4292 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
4293 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
4295 2007-05-23 Ian Lance Taylor <iant@google.com>
4297 * doc/invoke.texi (Invoking GCC): Document that the order of the
4300 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
4303 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
4304 * config/score/predicate.md (const_pow2, const_npow2): Remove.
4305 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
4309 * config/score/score.c (score_print_operand): Make sure that only
4310 lower bits are used.
4312 2007-05-22 Ian Lance Taylor <iant@google.com>
4314 * tree-vrp.c (avoid_overflow_infinity): New static function,
4315 broken out of set_value_range_to_value.
4316 (set_value_range_to_value): Call avoid_overflow_infinity.
4317 (extract_range_from_assert): Likewise.
4319 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
4322 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
4323 change the type before looking for a COMPOUND_EXPR.
4325 2007-05-22 Ian Lance Taylor <iant@google.com>
4327 * lower-subreg.c (decompose_multiword_subregs): If we change an
4328 insn, call remove_retval_note on it.
4330 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4332 * regs.h (end_hard_regno): New function.
4333 (END_HARD_REGNO, END_REGNO): New macros.
4334 (add_to_hard_reg_set): New function.
4335 (remove_from_hard_reg_set): Likewise.
4336 (in_hard_reg_set_p): Likewise.
4337 (overlaps_hard_reg_set_p): Likewise.
4338 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
4339 (note_btr_set): Use END_HARD_REGNO.
4340 * caller-save.c (setup_save_areas): Use end_hard_regno.
4341 (mark_set_regs): Use END_HARD_REGNO.
4342 (add_stored_regs): Use end_hard_regno.
4343 (mark_referenced_regs): Use add_to_hard_reg_set.
4344 * combine.c (update_table_tick): Use END_REGNO.
4345 (record_value_for_reg): Likewise.
4346 (record_dead_and_set_regs): Likewise.
4347 (get_last_value_validate): Likewise.
4348 (use_crosses_set_p): Likewise.
4349 (reg_dead_at_p_1): Likewise.
4350 (reg_dead_at_p): Likewise.
4351 (mark_used_regs_combine): Use add_to_hard_reg_set.
4352 (move_deaths): Use END_HARD_REGNO.
4353 (reg_bitfield_target_p): Use end_hard_regno.
4354 (distribute_notes): Use END_HARD_REGNO.
4355 * cse.c (mention_regs): Use END_REGNO.
4356 (insert): Use add_to_hard_reg_set.
4357 (invalidate): Use END_HARD_REGNO.
4358 (invalidate_for_call): Likewise.
4359 (exp_equiv_p): Use END_REGNO.
4360 (cse_insn): Likewise.
4361 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
4362 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
4363 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
4364 * function.c (keep_stack_depressed): Use end_hard_regno.
4365 * global.c (global_alloc): Use end_hard_regno.
4366 (global_conflicts): Use add_to_hard_reg_set instead of
4368 (find_reg): Likewise.
4369 (mark_reg_store): Likewise.
4370 (mark_reg_conflicts): Likewise.
4371 (mark_reg_death): Use remove_from_hard_reg_set.
4372 (mark_reg_live_nc): Delete.
4373 (set_preference): Use end_hard_regno.
4374 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
4375 remove_from_hard_reg_set.
4376 (post_mark_life): Use add_to_hard_reg_set.
4377 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
4378 (reg_becomes_live): Use add_to_hard_reg_set.
4379 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
4380 (peep2_find_free_register): Use add_to_hard_reg_set.
4381 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
4382 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
4383 * regrename.c (note_sets): Use add_to_hard_reg_set.
4384 (clear_dead_regs): Use remove_from_hard_reg_set.
4385 (regrename_optimize): Use add_to_hard_reg_set.
4386 (find_oldest_value_reg): Use in_hard_reg_set_p.
4387 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
4388 (hard_reg_set_here_p): Use end_hard_regno.
4389 (decompose): Likewise.
4390 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
4391 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
4392 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
4393 (mark_home_live): Use end_hard_regno.
4394 (spill_hard_reg): Likewise.
4395 (clear_reload_reg_in_use): Likewise.
4396 * reorg.c (delete_prior_computation): Use END_REGNO.
4397 * resource.c (update_live_status): Use END_HARD_REGNO.
4398 (mark_referenced_resources): Use add_to_hard_reg_set.
4399 (mark_set_resources): Likewise.
4400 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
4401 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
4402 (reg_overlap_mentioned_p): Likewise.
4403 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
4404 (covers_regno_no_parallel_p): Use END_REGNO.
4405 (find_regno_note): Likewise.
4406 (find_reg_fusage): Use END_HARD_REGNO.
4407 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
4408 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
4410 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4412 * mode-switching.c (reg_dies): Change type of second argument to
4414 (optimize_mode_switching): Update accordingly.
4416 2007-05-22 Richard Sandiford <richard@codesourcery.com>
4418 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
4420 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
4421 (hard_reg_set_empty_p): ...these new functions.
4422 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
4423 GO_IF_HARD_REG_SUBSET.
4424 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
4425 instead of GO_IF_HARD_REG_EQUAL.
4426 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
4427 instead of GO_IF_HARD_REG_EQUAL.
4428 * global.c (find_reg): Use hard_reg_set_empty_p instead of
4429 GO_IF_HARD_REG_SUBSET.
4430 (modify_reg_pav): Use hard_reg_set_empty_p instead of
4431 GO_IF_HARD_REG_EQUAL.
4432 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
4433 of GO_IF_HARD_REG_SUBSET.
4434 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
4435 instead of GO_IF_HARD_REG_EQUAL.
4436 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
4437 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
4438 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
4439 of GO_IF_HARD_REG_SUBSET,
4440 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
4441 GO_IF_HARD_REG_SUBSET.
4442 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
4443 instead of GO_IF_HARD_REG_EQUAL.
4444 * config/sh/sh.c (push_regs, calc_live_regs): Use
4445 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
4446 (hard_regs_intersect_p): Delete.
4448 2007-05-22 Janis Johnson <janis187@us.ibm.com>
4450 * doc/sourcebuild.texi (Test Directives) Add dg-message.
4452 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
4453 Richard Henderson <rth@redhat.com>
4455 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
4457 (x86_64-*-*): Likewise.
4459 * i386/i386-modes.def (V2QI): New.
4461 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
4463 (override_options): Support SSE4.1.
4464 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
4465 (IX86_BUILTIN_BLENDPS): Likewise.
4466 (IX86_BUILTIN_BLENDVPD): Likewise.
4467 (IX86_BUILTIN_BLENDVPS): Likewise.
4468 (IX86_BUILTIN_PBLENDVB128): Likewise.
4469 (IX86_BUILTIN_PBLENDW128): Likewise.
4470 (IX86_BUILTIN_DPPD): Likewise.
4471 (IX86_BUILTIN_DPPS): Likewise.
4472 (IX86_BUILTIN_INSERTPS128): Likewise.
4473 (IX86_BUILTIN_MOVNTDQA): Likewise.
4474 (IX86_BUILTIN_MPSADBW128): Likewise.
4475 (IX86_BUILTIN_PACKUSDW128): Likewise.
4476 (IX86_BUILTIN_PCMPEQQ): Likewise.
4477 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
4478 (IX86_BUILTIN_PMAXSB128): Likewise.
4479 (IX86_BUILTIN_PMAXSD128): Likewise.
4480 (IX86_BUILTIN_PMAXUD128): Likewise.
4481 (IX86_BUILTIN_PMAXUW128): Likewise.
4482 (IX86_BUILTIN_PMINSB128): Likewise.
4483 (IX86_BUILTIN_PMINSD128): Likewise.
4484 (IX86_BUILTIN_PMINUD128): Likewise.
4485 (IX86_BUILTIN_PMINUW128): Likewise.
4486 (IX86_BUILTIN_PMOVSXBW128): Likewise.
4487 (IX86_BUILTIN_PMOVSXBD128): Likewise.
4488 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
4489 (IX86_BUILTIN_PMOVSXWD128): Likewise.
4490 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
4491 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
4492 (IX86_BUILTIN_PMOVZXBW128): Likewise.
4493 (IX86_BUILTIN_PMOVZXBD128): Likewise.
4494 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
4495 (IX86_BUILTIN_PMOVZXWD128): Likewise.
4496 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
4497 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
4498 (IX86_BUILTIN_PMULDQ128): Likewise.
4499 (IX86_BUILTIN_PMULLD128): Likewise.
4500 (IX86_BUILTIN_ROUNDPD): Likewise.
4501 (IX86_BUILTIN_ROUNDPS): Likewise.
4502 (IX86_BUILTIN_ROUNDSD): Likewise.
4503 (IX86_BUILTIN_ROUNDSS): Likewise.
4504 (IX86_BUILTIN_PTESTZ): Likewise.
4505 (IX86_BUILTIN_PTESTC): Likewise.
4506 (IX86_BUILTIN_PTESTNZC): Likewise.
4507 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
4508 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
4509 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
4510 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
4511 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
4513 (bdesc_sse_3arg): Likewise.
4514 (bdesc_2arg): Likewise.
4515 (bdesc_1arg): Likewise.
4516 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
4518 (ix86_expand_sse_4_operands_builtin): New.
4519 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
4520 smaller than 8 bits as the 2nd arg.
4521 (ix86_expand_sse_ptest): New.
4522 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
4523 (ix86_expand_vector_set): Support SSE4.1.
4524 (ix86_expand_vector_extract): Likewise.
4526 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
4527 __SSE4_1__ for -msse4.1.
4529 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
4530 (UNSPEC_INSERTPS): Likewise.
4531 (UNSPEC_DP): Likewise.
4532 (UNSPEC_MOVNTDQA): Likewise.
4533 (UNSPEC_MPSADBW): Likewise.
4534 (UNSPEC_PHMINPOSUW): Likewise.
4535 (UNSPEC_PTEST): Likewise.
4536 (UNSPEC_ROUNDP): Likewise.
4537 (UNSPEC_ROUNDS): Likewise.
4539 * config/i386/i386.opt (msse4.1): New for SSE4.1.
4541 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
4542 (const_pow2_1_to_32768_operand): Likewise.
4544 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
4547 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
4549 (sse4_1_insertps): Likewise.
4550 (*sse4_1_extractps): Likewise.
4551 (sse4_1_ptest): Likewise.
4552 (sse4_1_mulv2siv2di3): Likewise.
4553 (*sse4_1_mulv4si3): Likewise.
4554 (*sse4_1_smax<mode>3): Likewise.
4555 (*sse4_1_umax<mode>3): Likewise.
4556 (*sse4_1_smin<mode>3): Likewise.
4557 (*sse4_1_umin<mode>3): Likewise.
4558 (sse4_1_eqv2di3): Likewise.
4559 (*sse4_1_pinsrb): Likewise.
4560 (*sse4_1_pinsrd): Likewise.
4561 (*sse4_1_pinsrq): Likewise.
4562 (*sse4_1_pextrb): Likewise.
4563 (*sse4_1_pextrb_memory): Likewise.
4564 (*sse4_1_pextrw_memory): Likewise.
4565 (*sse4_1_pextrq): Likewise.
4566 (sse4_1_blendpd): Likewise.
4567 (sse4_1_blendps): Likewise.
4568 (sse4_1_blendvpd): Likewise.
4569 (sse4_1_blendvps): Likewise.
4570 (sse4_1_dppd): Likewise.
4571 (sse4_1_dpps): Likewise.
4572 (sse4_1_movntdqa): Likewise.
4573 (sse4_1_mpsadbw): Likewise.
4574 (sse4_1_packusdw): Likewise.
4575 (sse4_1_pblendvb): Likewise.
4576 (sse4_1_pblendw): Likewise.
4577 (sse4_1_phminposuw): Likewise.
4578 (sse4_1_extendv8qiv8hi2): Likewise.
4579 (*sse4_1_extendv8qiv8hi2): Likewise.
4580 (sse4_1_extendv4qiv4si2): Likewise.
4581 (*sse4_1_extendv4qiv4si2): Likewise.
4582 (sse4_1_extendv2qiv2di2): Likewise.
4583 (*sse4_1_extendv2qiv2di2): Likewise.
4584 (sse4_1_extendv4hiv4si2): Likewise.
4585 (*sse4_1_extendv4hiv4si2): Likewise.
4586 (sse4_1_extendv2hiv2di2): Likewise.
4587 (*sse4_1_extendv2hiv2di2): Likewise.
4588 (sse4_1_extendv2siv2di2): Likewise.
4589 (*sse4_1_extendv2siv2di2): Likewise.
4590 (sse4_1_zero_extendv8qiv8hi2): Likewise.
4591 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
4592 (sse4_1_zero_extendv4qiv4si2): Likewise.
4593 (*sse4_1_zero_extendv4qiv4si2): Likewise.
4594 (sse4_1_zero_extendv2qiv2di2): Likewise.
4595 (*sse4_1_zero_extendv2qiv2di2): Likewise.
4596 (sse4_1_zero_extendv4hiv4si2): Likewise.
4597 (*sse4_1_zero_extendv4hiv4si2): Likewise.
4598 (sse4_1_zero_extendv2hiv2di2): Likewise.
4599 (*sse4_1_zero_extendv2hiv2di2): Likewise.
4600 (sse4_1_zero_extendv2siv2di2): Likewise.
4601 (*sse4_1_zero_extendv2siv2di2): Likewise.
4602 (sse4_1_roundpd): Likewise.
4603 (sse4_1_roundps): Likewise.
4604 (sse4_1_roundsd): Likewise.
4605 (sse4_1_roundss): Likewise.
4606 (mulv4si3): Don't expand for SSE4.1.
4607 (smax<mode>3): Likewise.
4608 (umaxv4si3): Likewise.
4609 (uminv16qi3): Likewise.
4610 (umin<mode>3): Likewise.
4611 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
4613 * doc/extend.texi: Document SSE4.1 built-in functions.
4615 * doc/invoke.texi: Document -msse4.1.
4617 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
4619 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
4620 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
4621 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
4622 (ASM_SPEC): Add asm_pcrel_spec.
4623 (EXTRA_SPECS): Add asm_pcrel_spec.
4625 2007-05-21 David Daney <ddaney@avtrex.com>
4627 * doc/install.texi (Building a cross compiler): Add requirements
4628 for Java cross compiler.
4630 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
4633 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
4634 Add loopno argument. Use evolution_function_is_invariant_rec_p
4635 instead of evolution_function_is_constant_p.
4636 Update calls to evolution_function_is_affine_multivariate_p.
4637 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
4638 Add loopno argument.
4639 * tree-scalar-evolution.c (gather_chrec_stats): Call
4640 evolution_function_is_affine_multivariate_p with a loop
4642 * tree-data-ref.c (analyze_miv_subscript): Likewise.
4643 (analyze_overlapping_iterations): Likewise.
4644 (access_functions_are_affine_or_constant_p): Likewise.
4645 (build_classic_dist_vector_1): If the access functions
4646 are equal, don't do anything.
4648 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
4649 Paolo Carlini <pcarlini@suse.de>
4650 Uros Bizjak <ubizjak@gmail.com>
4652 * c-cppbuiltin.c (c_cpp_builtins): Define
4653 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
4654 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
4655 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
4656 * doc/cpp.texi ([Standard Predefined Macros]): Document.
4658 2007-05-21 Mike Stump <mrs@apple.com>
4660 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
4662 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
4664 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
4666 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
4667 implementation if __OPTIMIZE__ is not defined.
4668 (_mm_alignr_pi8): Ditto.
4669 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4670 (_mm_inserti_si64): Ditto.
4671 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4672 (_mm_slli_epi16): Ditto.
4673 (_mm_slli_epi32): Ditto.
4674 (_mm_slli_epi64): Ditto.
4675 (_mm_srai_epi16): Ditto.
4676 (_mm_srai_epi32): Ditto.
4677 (_mm_srli_si128): Ditto.
4678 (_mm_slli_si128): Ditto.
4679 (_mm_srli_epi16): Ditto.
4680 (_mm_srli_epi32): Ditto.
4681 (_mm_srli_epi64): Ditto.
4682 (_mm_extract_epi16): Ditto.
4683 (_mm_insert_epi16): Ditto.
4684 (_mm_shufflehi_epi16): Ditto.
4685 (_mm_shufflelo_epi16): Ditto.
4686 (_mm_shuffle_epi32): Ditto.
4687 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
4689 (_mm_insert_pi16): Ditto.
4691 (_mm_shuffle_pi16): Ditto.
4693 (_mm_shufle_ps): Ditto.
4694 (_mm_prefetch): Ditto.
4696 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
4698 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
4699 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
4700 * real.c (encode_i370_single, decode_i370_single,
4701 encode_i370_double, decode_i370_double): Functions removed.
4702 (i370_single_format, i370_double_format): Initializations removed.
4703 (real_maxval, round_for_format, exact_real_truncate, significand_size):
4704 Consider the log2_b field to always be one.
4705 (ieee_single_format, mips_single_format, coldfire_single_format,
4706 ieee_double_format, mips_double_format, coldfire_double_format,
4707 ieee_extended_motorola_format, ieee_extended_intel_96_format,
4708 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
4709 ibm_extended_format, mips_extended_format, ieee_quad_format,
4710 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
4711 decimal_single_format, decimal_double_format, decimal_quad_format,
4712 c4x_single_format, c4x_extended_format, real_internal_format): Remove
4713 initialization of log2_b.
4714 * real.h (i370_single_format, i370_double_format): Declarations
4716 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
4717 field to always be one.
4719 2007-05-21 Andreas Schwab <schwab@suse.de>
4721 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
4722 NOTE_INSN_BASIC_BLOCK_P.
4723 (process_for_unwind_directive): Likewise.
4725 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
4727 * builtins.c (expand_builtin_setjmp_setup): Update comment.
4728 * function.h (struct function): Move va_list_gpr_size,
4729 va_list_fpr_size, function_frequency to front of bitfields. Add
4731 (current_function_calls_unwind_init): New.
4732 * except.c (expand_builtin_unwind_init): Set
4733 current_function_calls_unwind_init not
4734 current_function_has_nonlocal_label.
4735 * reload1.c (has_nonexceptional_receiver): New.
4736 (reload): Use it and current_function_calls_unwind_init to
4737 determine whether call-saved regs must be saved.
4739 2007-05-20 Jan Hubicka <jh@suse.cz>
4741 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
4742 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4743 * ddg.c (create_ddg): LIkewise.
4744 * final.c (final): Remove hunk moving line number notes around since
4745 they are no longer present at this stage.
4746 (final_scan_insn): Use NOTE_KIND instead of
4747 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4748 (output_asm_label): Likewise.
4749 * reorg.c (dbr_schedule): Likewise.
4750 * haifa-sched.c (unlink_other_notes): Likewise.
4751 * mode-switching.c (optimize_mode_switching): Likewise.
4752 * graph.c (start_bb): Likewise.
4753 * rtl.def (NOTE): Update description.
4754 * jump.c (squeeze_notes): Delete.
4755 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
4756 NOTE_INSN_BASIC_BLOCK_P when possible.
4757 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
4758 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
4759 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4760 (dwarf2out_var_location): Likewise.
4761 * cfgbuild.c (make_edges): Likewise.
4762 (find_basic_blocks_1): Likewise.
4763 * function.c (reorder_blocks_1): Likewise.
4764 (epilogue_done): Likewise.
4765 (reposition_prologue_and_epilogue_notes): Likewise.
4766 * print-rtl.c (print_rtx): Likewise; drop code for printing
4768 (print_rtl): Likewise.
4769 (print_rtl_single): Likewise.
4770 * gcse.c (insert_insn_start_bb): Likewise.
4771 * alias.c (init_alias_analysis): Likewise.
4772 * calls.c (fixup_tail_calls): Likewise.
4773 * except.c (sjlj_emit_function_enter): Likewise.
4774 * emit-rtl.c (add_insn_after): Likeiwse.
4775 (emit_label_before): Likewise.
4776 (emit_label_after): Likewise.
4777 (emit_note_before, emit_note_after, emit_note): Update
4778 parameter to be enum insn_note; do not deal with source
4780 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
4781 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
4783 (merge_blocks_move_successor_nojumps): Simplify now when
4784 we don't have BLOCK notes.
4785 (try_optimize_cfg): Likewise.
4786 * cfglayout.c (skip_insns_after_block): Likewise.
4787 (record_effective_endpoints): Likewise.
4788 (duplicate_insn_chain): Likewise.
4789 * varasm.c (output_constant_pool_1): Likewise.
4790 * sched-deps.c (sched_analyze): Likewise.
4791 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
4793 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
4794 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
4795 (SET_INSN_DELETED): Simplify.
4796 (NOTE_LINE_NUMBER): Exterminate.
4797 (NOTE_LINE_KIND): New.
4798 (NOTE_INSN_BASIC_BLOCK_P): Update.
4799 (enum insn_note): Simplify.
4800 (GET_NOTE_INSN_NAME) Simplify.
4801 (emit_note_before, emit_note_after, emit_note): Update prototype.
4802 (squeeze_notes): Remove.
4803 * sched-int.h (NOTE_NOT_BB_P): Update.
4804 * resource.c (mark_target_live_regs): Update.
4805 * sched-rgn.c (debug_dependencies): Update.
4806 * sched-vis.c (print_insn): Update.
4807 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
4808 * config/i386/i386.c (ix86_output_function_epilogue): Update.
4809 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
4810 (TARGET_ADJUST_UNROLL_MAX): Likewise.
4811 (split_branches): Update.
4812 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
4814 (sh_adjust_unroll_max): Exterminate.
4815 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
4816 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
4817 (m68hc11_reorg): Likewise.
4818 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
4819 (emit_predicate_relation_info): Update.
4820 (process_for_unwind_directive): Update.
4821 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
4822 (output_call): Update.
4823 * config/pa/pa.c (output_lbranch): Update.
4824 (output_millicode_call): Update.
4825 (output_call): Update.
4826 (pa_combine_instructions): Update.
4827 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
4828 * config/bfin/bfin.c (gen_one_bundle): Update.
4829 * cfgrtl.c (can_delete_note_p): Update.
4830 (delete_insn): Update.
4831 (rtl_merge_blocks): Update.
4832 (commit_one_edge_insertion): Update.
4833 (rtl_verify_flow_info): Update.
4834 * stmt.c (expand_case): Do not call squeeze_notes.
4836 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4843 * c.opt (Wtype-limits): New.
4844 * doc/invoke.texi (Wtype-limits): Document it.
4845 (Wextra): Enabled by -Wextra.
4846 * c-opts.c (c_common_post_options): Enabled by -Wextra.
4847 * c-common.c (shorten_compare): Warn with Wtype-limits.
4849 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4851 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
4852 inlined function, not as a macro.
4853 (_mm_alignr_pi8): Ditto.
4854 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4855 (_mm_inserti_si64): Ditto.
4856 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4857 (_mm_extract_epi16): Ditto.
4858 (_mm_insert_epi16): Ditto.
4859 (_mm_shufflehi_epi16): Ditto.
4860 (_mm_shufflelo_epi16): Ditto.
4861 (_mm_shuffle_epi32): Ditto.
4862 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
4863 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
4865 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
4867 (_m_to_float): Use C89 compatible assignment.
4869 2007-04-20 Martin Michlmayr <tbm@cyrius.com>
4872 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
4874 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4877 * doc/invoke.texi (Wreturn-type): Complete description.
4878 (Wextra): Delete item about return-type warning.
4879 * c-decl.c: Delete redundant Wextra warning.
4881 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4884 * config/i386/pmmintrin.h: Do not include xmmintrin.h
4885 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
4886 inlined function, not as a macro.
4887 (_mm_prefetch): Ditto.
4889 (_mm_insert_pi16): Ditto.
4891 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
4892 (_m_pshufw): Ditto. Add const to __N argument.
4893 (_mm_shufle_ps): Ditto. Add const to __mask argument.
4894 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
4895 (_mm_slli_epi32): Ditto.
4896 (_mm_srli_si128): Implement as always inlined function, not as a
4897 macro. Add __inline to function declaration.
4898 (_mm_slli_si128): Ditto.
4900 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
4902 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
4903 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
4905 (struct fenv): New structure.
4906 (FP_HANDLE_EXCEPTIONS): New define.
4907 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
4908 (_FP_DECL_EXP): New define.
4909 (FP_INIT_ROUNDMODE): New define.
4910 (FP_ROUNDMODE): New define.
4912 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4914 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
4915 (Wconversion): Update description.
4916 (Wconversion-sign): New.
4917 * c.opt (Wconversion-sign): New.
4918 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
4919 means disabled for C++. Otherwise, take the status of Wconversion.
4920 * c-common.c (conversion_warning): Warn with either Wconversion or
4922 (warnings_for_convert_and_check): Conditions are already checked by
4924 (convert_and_check): Don't check warnings if the conversion failed.
4926 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
4927 Anatoly Sokolov <aesok@dol.ru>
4929 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
4930 avr_epilogue_uses) : Add declaration.
4931 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
4932 * config/avr/constraints.md (R): New constraint.
4933 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
4934 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
4935 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
4936 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
4937 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
4938 call_prologue_saves, epilogue_restores, return_from_epilogue,
4939 return_from_main_epilogue, return_from_interrupt_epilogue,
4940 return_from_naked_epilogue, prologue, epilogue): New patterns.
4941 (jump): Handle symbol reference.
4942 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
4943 avr_output_function_prologue, avr_output_function_epilogue): Remove
4945 (avr_init_machine_status, expand_prologue, expand_epilogue,
4946 avr_asm_function_end_prologue, avr_epilogue_uses,
4947 avr_asm_function_begin_epilogue): New functions.
4948 (prologue_size, epilogue_size, jump_tables_size): Remove global
4950 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
4951 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
4952 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
4953 (avr_override_options): Initialise init_machine_status.
4954 (output_movhi): Handle all stack pointer loads.
4955 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
4956 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
4957 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
4958 (EPILOGUE_USES) Redefine.
4959 (machine_function) Declare.
4961 2007-05-19 Richard Sandiford <richard@codesourcery.com>
4963 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
4964 Use a single return statement.
4966 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4969 * builtins.c (do_mpfr_lgamma_r): New.
4970 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
4971 * tree.h (CASE_FLT_FN_REENT): New.
4973 2007-05-18 Geoffrey Keating <geoffk@apple.com>
4975 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
4976 (output_die): Use 'unsigned long' with %x.
4977 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
4978 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
4979 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
4981 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
4983 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
4988 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
4989 true if function has no argument.
4991 2007-05-18 DJ Delorie <dj@redhat.com>
4993 * config/mips/mips.c (mips_offset_within_alignment_p): New.
4994 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
4996 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4998 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
4999 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
5000 count_trailing_zeros.
5001 (__i386__): Implement count_leading_zeros using __builtin_clz().
5002 Implement count_trailing_zeros usign __builtin_ctz().
5004 2007-05-18 Richard Sandiford <richard@codesourcery.com>
5006 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
5008 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
5011 * expr.c (emit_move_change_mode): Change mode of push operands here.
5013 2007-05-17 Ian Lance Taylor <iant@google.com>
5015 PR tree-optimization/31953
5016 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
5018 (set_value_range_to_null): Call set_value_range_to_value.
5019 (extract_range_from_comparison): Likewise.
5021 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5023 * toplev.c (print_version): Output GMP/MPFR version info.
5025 * builtins.c (CASE_MATHFN_REENT): New macro.
5026 (mathfn_built_in): Use it.
5027 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
5028 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
5029 BUILT_IN_LGAMMAL_R): New.
5030 * doc/extend.texi: Document new builtins.
5033 * builtins.c (do_mpfr_remquo): New.
5034 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
5035 (fold_builtin_3): Handle BUILT_IN_REMQUO.
5038 * builtins.c (fold_builtin_1): Handle y0, y1.
5039 (fold_builtin_2): Handle yn.
5042 * builtins.c (do_mpfr_bessel_n): New.
5043 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
5044 (fold_builtin_2): Handle BUILT_IN_JN.
5046 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
5049 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
5050 TYPE_PRECISION (intmax_type_node).
5052 2007-05-17 Steve Ellcey <sje@cup.hp.com>
5055 * reload.c (subst_reloads): Remove checking.
5057 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5059 PR rtl-optimization/31691
5060 * combine.c (simplify_set): Build a new src pattern instead of
5061 substituting its operands in the COMPARE case.
5063 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5065 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
5066 (execute_vrp): Preserve loops through jump threading.
5067 * tree-ssa-threadupdate.c (thread_single_edge,
5068 dbds_continue_enumeration_p, determine_bb_domination_status,
5069 thread_through_loop_header): New functions.
5070 (create_edge_and_update_destination_phis,
5071 create_edge_and_update_destination_phis): Set loops for the new blocks.
5072 (prune_undesirable_thread_requests): Removed.
5073 (redirect_edges): Do not pretend that redirect_edge_and_branch can
5075 (thread_block): Do not call prune_undesirable_thread_requests.
5077 (mark_threaded_blocks): Select edges to thread here.
5078 (thread_through_all_blocks): Take may_peel_loop_headers argument.
5079 Thread edges through loop headers independently.
5080 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
5081 * tree-pass.h (TODO_mark_first_instance): New.
5082 (first_pass_instance): Declare.
5083 * cfghooks.c (duplicate_block): Put the block to the original loop
5084 if copy is not specified.
5085 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
5086 jump threading. Pass may_peel_loop_headers to
5087 thread_through_all_blocks according to first_pass_instance.
5088 * cfgloop.h (create_preheader): Declare.
5089 * tree-flow.h (thread_through_all_blocks): Declaration changed.
5090 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
5091 * passes.c (first_pass_instance): New variable.
5092 (next_pass_1): Set TODO_mark_first_instance.
5093 (execute_todo): Set first_pass_instance.
5095 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
5097 PR tree-optimization/24659
5098 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
5099 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
5100 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
5101 OTI_vec_pack_ufix_trunc.
5102 (vec_unpacks_float_hi_optab): Define new macro.
5103 (vec_unpacks_float_lo_optab): Ditto.
5104 (vec_unpacku_float_hi_optab): Ditto.
5105 (vec_unpacku_float_lo_optab): Ditto.
5106 (vec_pack_sfix_trunc_optab): Ditto.
5107 (vec_pack_ufix_trunc_optab): Ditto.
5108 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
5109 and vec_pack_[s|u]fix_trunc_optab using
5110 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
5111 * tree-vectorizer.c (supportable_widening_operation): Handle
5112 FLOAT_EXPR and CONVERT_EXPR. Update comment.
5113 (supportable_narrowing_operation): New function.
5114 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
5115 * tree-vect-transform.c (vectorizable_conversion): Handle
5116 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
5117 (vect_gen_widened_results_half): Move before vectorizable_conversion.
5118 (vectorizable_type_demotion): Call supportable_narrowing_operation()
5119 to check for target support.
5120 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
5121 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
5122 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
5123 for VEC_PACK_FIX_TRUNC_EXPR.
5124 (expand_binop): Special case mode of the result for
5125 vec_pack_[u|s]fix_trunc_optab.
5126 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
5127 vec_pack_[u|s]fix_trunc_optab.
5129 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
5130 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
5131 * tree-pretty-print.c (dump_generic_node): Handle
5132 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
5133 VEC_PACK_FIX_TRUNC_EXPR.
5135 * expr.c (expand_expr_real_1): Ditto.
5136 * tree-inline.c (estimate_num_insns_1): Ditto.
5137 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
5139 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
5140 (vec_unpacks_float_lo_v8hi): Ditto.
5141 (vec_unpacku_float_hi_v8hi): Ditto.
5142 (vec_unpacku_float_lo_v8hi): Ditto.
5143 (vec_unpacks_float_hi_v4si): Ditto.
5144 (vec_unpacks_float_lo_v4si): Ditto.
5145 (vec_pack_sfix_trunc_v2df): Ditto.
5147 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
5149 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
5150 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
5151 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
5152 [vec_pack_ufix_trunc]: Ditto.
5153 [vec_unpacks_float_hi]: Ditto.
5154 [vec_unpacks_float_lo]: Ditto.
5155 [vec_unpacku_float_hi]: Ditto.
5156 [vec_unpacku_float_lo]: Ditto.
5158 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
5160 * soft-fp/README: Update for new files.
5161 * soft-fp/floattisf.c: New file.
5162 * soft-fp/floattidf.c: New file.
5163 * soft-fp/floattitf.c: New file.
5164 * soft-fp/floatuntisf.c: New file.
5165 * soft-fp/floatuntidf.c: New file.
5166 * soft-fp/floatuntitf.c: New file.
5167 * soft-fp/fixsfti.c: New file.
5168 * soft-fp/fixdfti.c: New file.
5169 * soft-fp/fixtfti.c: New file.
5170 * soft-fp/fixunssfti.c: New file.
5171 * soft-fp/fixunsdfti.c: New file.
5172 * soft-fp/fixunstfti.c: New file.
5173 * soft-fp/extendxftf.c: New file.
5174 * soft-fp/trunctfxf.c: New file.
5176 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
5177 (__trunctfxf2): Ditto.
5179 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
5180 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
5181 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
5182 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
5183 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
5184 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
5186 * config/i386/t-fprules-softfp64: New file.
5187 * config/i386/sfp-machine.h: New file.
5188 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
5189 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
5190 and soft-fp/t-softfp to tmake_file.
5191 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
5192 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
5194 * config/i386/t-linux64 (softfp_wrap_start): New.
5195 (softfp_wrap_end): New.
5196 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
5197 supported for TARGET_64BIT.
5199 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
5201 * c-common.c (c_common_signed_or_unsigned_type): Emulate
5202 c_common_unsigned_type behavior.
5204 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
5206 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
5209 2007-05-16 Eric Christopher <echristo@apple.com>
5211 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
5212 saving after stack push. Set sp_offset whenever we push.
5213 (rs6000_emit_epilogue): Move altivec register restore before
5216 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5218 * configure.ac: Allow sysroots to be relocated under $prefix as
5219 well as $exec_prefix.
5220 * configure: Regenerate.
5222 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5226 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5228 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5229 (gcc_tooldir): Likewise.
5230 * configure: Regenerate.
5231 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5232 old configure.ac gcc_tooldir setting.
5233 (prefix_to_exec_prefix): New variable.
5234 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5235 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5237 2007-05-14 Janis Johnson <janis187@us.ibm.com>
5239 * c-typeck.c (build_binary_op): Return early for error.
5241 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5243 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
5244 struct nb_iter_bound.
5245 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
5246 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
5247 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
5248 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
5249 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
5250 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
5251 (del_scev_info): Use ggc_free.
5252 (scev_initialize): Allocate scalar_evolution_info in gc memory.
5253 * loop-init.c: Include ggc.h.
5254 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
5255 (loop_optimizer_finalize): Use ggc_free.
5256 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
5257 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
5258 pass_iv_optimize): Add TODO_ggc_collect.
5259 * function.h (struct function): Remove skip marker from
5261 * cfgloop.c: Include ggc.h.
5262 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
5264 (establish_preds): Vector superloops is gc allocated.
5265 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
5267 (flow_loops_find): Vector larray is gc allocated.
5268 (loop_exit_free): Use ggc_free.
5269 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
5270 that head of exits list is now not a part of struct loop.
5271 (record_loop_exits): Allocate exits table in gc memory.
5272 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
5273 that head of exits list is now not a part of struct loop.
5274 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
5275 struct loop_exit): Add GTY marker.
5276 (struct loop): Add GTY marker. Make superloops vector gc allocated.
5277 Add skip marker to aux field. Make head of exits list a separate
5279 (struct loops): Add GTY marker. Make larray vector gc allocated.
5280 Add param marker to exits table.
5281 (get_loops): Type changed.
5282 * Makefile.in (tree-scalar-evolution.o): Add
5283 gt-tree-scalar-evolution.h dependency.
5284 (cfgloop.o, loop-init.o): Add ggc.h dependency.
5285 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
5286 * basic-block.h (struct basic_block_def): Remove skip marker from
5289 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
5291 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
5292 of 0 in the call to expand_expr().
5293 (expand_builtin_mathfn_3): Ditto.
5294 (expand_builtin_interclass_mathfn): Ditto.
5295 (expand_builtin_cexpi): Ditto.
5296 (expand_builtin_int_roundingfn): Ditto.
5297 (expand_builtin_int_roundingfn_2): Ditto.
5298 (expand_builtin_pow): Ditto.
5299 (expand_builtin_powi): Ditto.
5300 (expand_builtin_bswap): Ditto.
5301 (expand_builtin_unop): Ditto.
5302 (expand_builtin_fabs): Ditto.
5303 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
5304 the call to expand_expr().
5305 (expand_builtin_sync_operation): Ditto.
5306 (expand_builtin_compare_and_swap): Ditto.
5307 (expand_builtin_lock_test_and_set): Ditto.
5308 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
5309 instead of 0 in the call to expand_expr().
5310 (expand_builtin_extract_return_addr): Ditto.
5311 (expand_builtin_eh_return): Ditto.
5312 (expand_eh_return): Ditto.
5313 * explow.c (expr_size): Ditto.
5314 * expr.c (optimize_bitfield_assignment_op): Ditto.
5315 (expand_assignement): Ditto.
5316 (store_expr): Ditto.
5317 (store_field): Ditto.
5318 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
5319 the call to expand_expr().
5320 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
5321 in the call to expand_expr().
5322 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
5323 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
5324 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
5326 * optabs.c (expand_vec_shift_expr): Ditto.
5327 (expand_vec_cond_expr): Ditto.
5328 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
5329 call to expand_expr().
5330 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
5331 in the call to expand_expr().
5333 2007-05-14 Dave Korn <dave.korn@artimi.com>
5335 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
5337 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
5339 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
5340 instead of c_common_unsigned_type.
5341 (c_common_unsigned_type): Remove.
5342 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
5343 c_common_unsigned_type.
5344 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
5345 c_common_unsigned_type.
5346 * c-common.h (c_common_unsigned_type): Remove.
5347 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
5348 c_common_unsigned_type.
5349 * c-format.c (check_format_types): Use unsigned_type_for instead of
5350 c_common_unsigned_type.
5351 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5352 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
5353 of c_common_unsigned_type.
5354 * convert.c (convert_to_integer): Use unsigned_type_for instead of
5355 lang_hooks.types.unsigned_type.
5356 * expmed.c (make_tree): Use unsigned_type_for instead of
5357 lang_hooks.types.unsigned_type.
5358 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
5359 lang_hooks.types.unsigned_type.
5360 (build_range_check): Likewise.
5361 (fold_unary): Likewise.
5362 (fold_binary): Likewise.
5363 (fold_ternary): Likewise.
5364 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5365 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
5366 * tree.c (get_unsigned_type): New.
5367 (unsigned_type_for): Use get_unsigned_type instead of
5368 lang_hooks.types.unsigned_type.
5370 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
5372 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
5373 to m68k_get_function_kind. Update its prototype.
5374 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
5376 (m68k_interrupt_function_p): Return enum m68k_function_type
5377 instead of bool. Rename to m68k_get_function_kind.
5378 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
5380 (m68k_compute_frame_layout): Don't mark any register for save
5381 if an interrupt_thread attribute is specified.
5382 (m68k_hard_regno_rename_ok): Update a use of
5383 m68k_interrupt_function_p.
5384 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
5385 m68k_interrupt_function_p.
5386 (m68k_function_type): New.
5387 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
5388 for a function with an interrupt_thread attribute.
5389 * doc/extend.texi: Document the interrupt_thread attribute.
5391 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
5393 Fix PR tree-optimization/31911
5394 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5395 if they didn't change the expression.
5397 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
5399 * tree-scalar-evolution.c (resolve_mixers): Exported.
5400 * tree-scalar-evolution.h (resolve_mixers): Declare.
5401 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
5402 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5403 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
5404 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
5405 init_array_ref, init_pointer_ref, analyze_indirect_ref,
5406 strip_conversion, analyze_offset_expr, address_analysis,
5407 object_analysis, analyze_offset): Removed.
5408 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
5409 split_constant_offset, canonicalize_base_object_address,
5410 object_address_invariant_in_loop_p, disjoint_objects_p,
5411 dr_may_alias_p, dr_address_invariant_p): New functions.
5412 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
5413 and dr_analyze_alias.
5414 (initialize_data_dependence_relation): Use dr_may_alias_p
5415 and object_address_invariant_in_loop_p.
5416 (compute_self_dependence): Handle the case when
5417 DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
5418 (find_data_references_in_stmt): Restrict the analysis of data
5419 references to the given loop nest.
5420 (find_data_references_in_loop): Made static. Pass loop nest to
5421 find_data_references_in_stmt.
5422 (compute_data_dependences_for_loop): Use DR_VOPS.
5423 (free_data_ref): Free DR_VOPS.
5424 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
5425 (struct innermost_loop_behavior): ... new.
5426 (struct base_object_info): Replaced by ...
5427 (struct indices): ... new.
5428 (struct dr_alias): New.
5429 (enum data_ref_type): Removed.
5430 (struct data_reference): Consist of struct innermost_loop_behavior,
5431 struct indices and struct dr_alias.
5432 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
5433 (DR_MEMTAG): Renamed to ...
5434 (DR_SYMBOL_TAG): ... this.
5435 (find_data_references_in_loop): Declaration removed.
5436 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
5437 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
5438 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
5439 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
5441 2007-05-13 Revital Eres <eres@il.ibm.com>
5443 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
5444 which walks virtual def-use chains to find redundant stores.
5445 (dse_optimize_stmt): Call it.
5447 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5449 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
5450 * passes.c (init_optimization_passes): Move pass_jump_bypass
5453 * basic-block.h (bb_has_eh_pred): Fix style issue.
5455 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5457 PR rtl-optimization/31848
5458 * loop-invariant.c (move_invariant_reg): If we move an insn
5459 with a REG_EQUAL note, and that insn is not always executed,
5460 remove the REG_EQUAL note.
5462 2007-05-12 Richard Guenther <rguenther@suse.de>
5464 PR tree-optimization/31797
5465 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
5466 propagate into a stmt that has volatile ops.
5468 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5470 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5471 (gcc_tooldir): Likewise.
5472 * configure: Regenerate.
5473 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5474 old configure.ac gcc_tooldir setting.
5475 (prefix_to_exec_prefix): New variable.
5476 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5477 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5479 2007-05-11 Silvius Rus <rus@google.com>
5481 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
5482 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
5483 * c-common.h (strict_aliasing_warning): Change return type.
5484 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
5485 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
5486 (build_c_cast): Condition call to strict_aliasing_warning.
5487 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
5488 * flags.h (set_Wstrict_aliasing): Declare.
5489 * opts.c (set_Wstrict_alising): Define, add call to.
5490 * tree-flow.h (strict_aliasing_warning_backend): Declare.
5491 * tree-ssa-alias-warnings.c: New file.
5492 * tree-ssa-alias.c (compute_may_aliases): Add call to
5493 strict_aliasing_warning_backend.
5495 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
5497 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
5498 Use loop_depth and loop_outer accessor functions.
5499 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
5500 determine_invariantness_stmt, move_computations_stmt): Ditto.
5501 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
5502 add_loop, loopify, unloop, fix_loop_structure): Ditto.
5503 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
5504 * tree-scalar-evolution.c (interpret_loop_phi,
5505 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
5506 instantiate_parameters_1, scev_const_prop): Ditto.
5507 * cfghooks.c (make_forwarder_block): Ditto.
5508 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
5509 * modulo-sched.c (loop_canon_p): Ditto.
5510 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
5511 slpeel_can_duplicate_loop_p): Ditto.
5512 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
5513 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
5514 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
5515 cancel_loop, verify_loop_structure): Ditto.
5516 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
5517 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
5518 superloops vector instead of "pred" array.
5519 (establish_preds): Take father loop as an argument. Initialize the
5521 (flow_loop_tree_node_add): Pass father loop to establish_preds.
5522 Do not initialize loop->outer.
5523 (flow_loop_tree_node_remove): Truncate the superloops vector.
5524 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
5525 "pred" merged to "superloops" vector.
5526 (loop_depth, loop_outer): New.
5527 (fel_init): Use loop_outer.
5529 2007-05-11 Jan Hubicka <jh@suse.cz>
5531 * cgraphunit.c: Include gt-cgraphunit.h
5532 (static_ctors, static_dtors): New static vars.
5533 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
5534 based on implementation in c-common.c
5535 (cgraph_finalize_function): Call record_cdtor_fn.
5536 (cgraph_optimize): Call cgraph_build_cdtor_fns.
5537 * decl.c (finish_function): Do not call c_record_cdtor_fn.
5538 (c_write_global_declarations): Do not call c_build_cdtor_fns.
5539 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
5540 build_cdtor, c_build_cdtor_fns): Remove.
5541 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
5542 c_build_cdtor_fns): Remove prototype.
5544 2007-05-11 Paolo Carlini <pcarlini@suse.de>
5547 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
5548 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
5549 * builtins.c (fold_builtin_memchr): New.
5550 (expand_builtin_memchr): Call the latter.
5551 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
5552 * doc/extend.texi ([Other built-in functions provided by GCC]):
5555 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
5557 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
5558 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
5559 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
5560 PFPO_OP1_TYPE_SHIFT): Constants added.
5561 (DFP_ALL): Mode macro defined.
5562 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
5563 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
5564 Insn definitions added.
5565 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
5566 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
5569 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
5571 PR tree-optimization/31885
5572 * tree-chrec.c (chrec_contains_undetermined): Do not consider
5573 NULL_TREE to be undetermined.
5574 (automatically_generated_chrec_p): Return false for NULL.
5576 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5578 * config/bfin/bfin.h (MOVE_RATIO): Define.
5580 2007-05-10 Richard Sandiford <richard@codesourcery.com>
5582 * config.gcc (sparc-wrs-vxworks): New target.
5583 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
5584 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
5585 * config/sparc/sparc.h: Include vxworks-dummy.h.
5586 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
5587 include LABEL_REFs too.
5588 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
5589 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
5591 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
5593 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
5594 (sparc_emit_call_insn): New function.
5595 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
5596 functions when generating VxWorks PIC.
5597 * config/sparc/sparc.md (vxworks_load_got): New pattern.
5598 (call, call_value): Use sparc_emit_call_insn instead of
5601 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5603 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
5605 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5607 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
5608 for floating-point values if HOST_BITS_PER_LONG > 32. Use
5609 split_double instead of operand_subword.
5611 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5613 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
5614 * config/bfin/bfin.c (bfin_local_alignment): New function.
5615 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
5617 2007-05-08 Chao-ying Fu <fu@mips.com>
5619 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
5620 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
5621 (smsub_widen_optab, umsub_widen_optab): Define.
5622 * optabs.c (init_optabs): Initialize smsub_widen_optab and
5624 * genopinit.c (optabs): Fill in smsub_widen_optab and
5626 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
5627 and umsub_widen_optab to implement multiply-subtract sequences.
5628 * config/mips/mips.md (*msac<u>_di): Rename to...
5629 (<u>msubsidi4): ...this. Extend condition to include
5630 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
5631 of operand 0 to "ka" and use the three-operand form of msub<u>
5633 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
5636 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
5638 PR rtl-optimization/28011
5639 * reload.c (push_reload): Set dont_share if IN appears in OUT
5640 also when IN is a PLUS rtx.
5641 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
5644 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
5646 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
5647 call unshare_all_decls.
5648 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
5649 (unshare_all_decls): Remove.
5651 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
5654 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
5657 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
5658 Nigel Stephens <nigel@mips.com>
5660 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
5661 Update comments and all uses.
5662 (MIN_FPRS_PER_FMT): Define.
5663 * config/mips/mips.c (function_arg): Fix to correctly handle
5664 the -mips32r2 -mfp64 -mabi=32 case.
5665 (override_options): Enable use of odd-numbered registers for
5666 SFmode values on MIPS32.
5667 (mips_save_reg_p): Save whole floating-point register pair if
5668 either half is used.
5669 (compute_frame_size): Fix comment.
5671 2007-05-08 Jie Zhang <jie.zhang@analog.com>
5673 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
5674 argument of type bool.
5675 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
5676 argument. Safely select temporary P register according to it.
5677 (do_link): Change call site of add_to_reg accordingly.
5678 (do_unlink): Add epilogue_p as a fourth argument and pass it
5680 (expand_interrupt_handler_epilogue): Change call of do_unlink
5682 (bfin_expand_prologue): Add a third argument sibcall_p.
5683 * config/bfin/bfin.md (epilogue): Change call of
5684 bfin_expand_epilogue accordingly.
5685 (sibcall_epilogue): Likewise.
5686 (eh_return_internal): Likewise.
5688 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
5689 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
5690 * config/bfin/bfin.c (bfin_handle_option): Handle
5691 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
5692 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
5693 Support bf534, bf536 and bf561.
5694 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
5696 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
5699 * config/i386/i386.c (ix86_function_regparm): Process local
5700 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
5702 2007-05-07 Mike Stump <mrs@apple.com>
5704 * doc/invoke.texi (Warning Options): Document that -Wempty-body
5705 also checks for and while statements in C++.
5707 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
5709 * gcc.c (at_file_supplied): New variable.
5710 (main): Set it if we expanded argv.
5711 (do_spec_1): Pass an @-file to the linker if we were called with
5712 an @-file argument and HAVE_GNU_LD.
5713 * collect2.c (at_file_supplied): New variable.
5714 (response_file): New variable.
5715 (collect_exit): Unlink response_file if necessary.
5716 (handler): Likewise.
5717 (do_wait): Likewise.
5718 (main): Set at_file_supplied if we expanded argv.
5719 (collect_execute): Pass an @-file to subprocesses if we were called
5720 with an @-file argument.
5721 * configure.ac: Add define for HAVE_GNU_LD.
5722 * configure: Regenerate.
5723 * config.in: Regenerate.
5725 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
5727 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
5733 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
5735 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5736 (TARGET_ENCODE_SECTION_INFO): Re-define.
5737 (m32c_encode_section_info): New
5738 (function_vector_handler): New
5739 (current_function_special_page_vector): New
5740 (m32c_special_page_vector_p): New.
5741 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
5743 * config/m32c/jump.md: Added instruction JSRS for functions
5744 with attribute "function_vector".
5745 * doc/extend.texi (function_vector): Added description
5746 for M16C, M32C targets.
5748 2007-05-07 DJ Delorie <dj@redhat.com>
5751 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
5752 ashrpsi3, lshrpsi3): Update shift count constraint.
5754 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
5755 Nathan Froyd <froydnj@codesourcery.com>
5758 * c-incpath.c (add_path): Strip trailing path separators.
5760 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
5762 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
5763 Free dominance info before purging EH edges.
5764 (eliminate_degenerate_phis): Likewise.
5765 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
5767 2007-05-07 Jan Hubicka <jh@suse.cz>
5769 * gimplify.c (gimplify_expr): Do not crash when folding
5770 (void *)(int)&a + 4.
5772 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5775 * c-opts.c (lang_fortran): Make it non static.
5776 * c-common.h (lang_fortran): New prototype.
5777 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
5778 -lang-fortran option was passed by the driver.
5780 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
5782 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
5783 of ASSERT_CHECKING. Tweak message.
5785 2007-05-06 Revital Eres <eres@il.ibm.com>
5788 * loop-unroll.c (insert_var_expansion_initialization):
5789 Initialize the expansions with -zero instead of +zero.
5791 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
5793 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
5794 into pic and non-pic versions. Mark r19 as used for
5795 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
5796 for tgd_load, tld_load and tie_load .
5797 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
5798 version of tgd_load, tld_load and tie_load depending on the
5801 2007-05-04 Ulrich Drepper <drepper@redhat.com>
5802 Jakub Jelinek <jakub@redhat.com>
5804 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
5805 (__do_global_dtors_aux): Use more paranoid loop to run
5806 destructors if HIDDEN_DTOR_LIST_END.
5807 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
5809 2007-05-04 Jakub Jelinek <jakub@redhat.com>
5811 * varasm.c (align_variable): Don't increase alignment for
5812 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
5813 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
5815 2007-05-04 Josh Conner <jconner@apple.com>
5817 * basic-block.h (cdi_direction): Assign values to all enumeration
5819 (dom_computed): Remove.
5820 (dom_info_state): New.
5821 (set_dom_info_availability): New.
5822 * tree-ssa-loop-im.c (determine_invariantness): Initialize
5823 walk_data.dom_direction.
5824 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
5825 instead of dom_computed[].
5826 (split_edge): Likewise.
5827 (create_basic_block): Likewise.
5828 (merge_blocks): Likewise.
5829 * ifcvt.c (find_if_header): Likewise.
5830 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
5831 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5832 * tree-ssa.c (verify_ssa): Likewise.
5833 * tree-cfg.c (tree_verify_flow_info): Likewise.
5834 (remove_edge_and_dominated_blocks): Likewise.
5835 * dominance.c (dom_computed): Make static.
5836 (calc_dfs_tree_nonrec): Change third param to a bool.
5837 (calc_dfs_tree): Change second param to a bool.
5838 (calc_idioms): Change second param to a bool. Use
5839 dom_convert_dir_to_idx.
5840 (init_dom_info): Validate dir before using.
5841 (dom_convert_dir_to_idx): New.
5842 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
5843 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
5844 (free_dominance_info): Use dom_convert_dir_to_idx.
5845 (get_immediate_dominator): Likewise.
5846 (set_immediate_dominator): Likewise.
5847 (get_dominated_by): Likewise.
5848 (redirect_immediate_dominators): Likewise.
5849 (nearest_common_denominator): Likewise.
5850 (dominated_by_p): Likewise.
5851 (bb_dom_dfs_in): Likewise.
5852 (bb_dom_dfs_out): Likewise.
5853 (recount_dominator): Likewise.
5854 (iterate_fix_dominators): Likewise.
5855 (add_to_dominance_info): Likewise.
5856 (delete_from_dominance_info): Likewise.
5857 (first_dom_son): Likewise.
5858 (next_dom_son): Likewise.
5859 (dom_info_available_p): Likewise.
5860 (dom_info_state): New.
5861 (set_dom_info_availability): New.
5863 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5865 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
5867 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
5869 2007-05-04 Bob Wilson <bob.wilson@acm.org>
5871 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
5872 (subdi3, subdi_carry): Delete.
5874 2007-05-04 Jan Hubicka <jh@suse.cz>
5875 Richard Guenther <rguenther@suse.de>
5877 * opts.c (decode_options): Do not fiddle with inlining
5878 parameters in case of optimizing for size.
5879 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
5880 for size do nothing.
5881 (cgraph_decide_inlining_of_small_function): When optimizing for
5882 size never inline functions increasing caller size.
5883 (cgraph_early_inlining): Inline for size when optimizing for size.
5885 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
5887 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
5888 logical operations piecewise.
5889 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
5890 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
5891 subdi_sesidi_di): Delete.
5892 (add_with_carry): Produce carry in CC instead of a DREG to shorten
5893 the generated sequence. Allow three-reg add in constraints. Rewrite
5894 the rtl expression for carry to avoid zero_extend of a constant.
5895 (sub_with_carry): New pattern.
5896 (adddi3, subdi3): Change into define_expand. For subtract, generate a
5897 different sequence not involving jumps.
5898 (notbi): Now a named pattern.
5900 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
5902 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
5903 Add the note about a significant loss of accuracy of some
5904 mathematical routines when these options are used.
5906 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5908 * haifa-sched.c (rtx_vec_t): New typedef.
5909 (contributes_to_priority_p): Extract piece of priority () into new
5911 (priority): Use the function. Add assertion.
5912 (rank_for_schedule, set_priorities): Add assertion to check that
5913 insn's priority is initialized.
5914 (clear_priorities, calc_priorities): Change signature. Make it update
5915 all relevant insns. Update all callers ('add_to_speculative_block ()'
5916 and 'create_block_check_twin ()').
5917 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
5918 Add new field 'priority_status'.
5919 (INSN_PRIORITY_STATUS): New macro.
5920 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
5922 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5924 * sched-ebb.c (debug_ebb_dependencies): New static function.
5925 (init_ready_list): Use it.
5927 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
5928 with changed signature and 'debug_rgn_dependencies ()'.
5929 (debug_rgn_dependencies): New static function.
5930 (init_ready_list): Use it.
5932 * sched-int.h (debug_dependencies): Declare.
5934 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5936 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
5938 2007-05-04 Dirk Mueller <dmueller@suse.de>
5940 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
5942 2007-05-03 Jan Hubicka <jh@suse.cz>
5944 * fold-const.c (fold_unary): Convert (T1)(X op Y) into
5945 ((T1)X op (T1)Y), for pointer type in more cases than before.
5947 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
5949 * tree-object-size.c (plus_expr_object_size): When operand size is
5950 unknown, return unknown.
5952 2007-05-03 Dirk Mueller <dmueller@suse.de>
5954 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
5956 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
5959 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
5961 2007-05-03 Janis Johnson <janis187@us.ibm.com>
5963 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
5965 2007-05-03 Joseph Myers <joseph@codesourcery.com>
5967 * config/soft-fp/double.h, config/soft-fp/extended.h,
5968 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
5969 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
5970 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
5971 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
5974 2007-05-03 Ian Lance Taylor <iant@google.com>
5976 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
5977 MASK_PPC_GFXOPT for 8540 or 8548.
5979 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5981 * tree-vect-transform.c (vect_update_inits_of_drs): Use
5982 vect_print_dump_info() to output debug information.
5984 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5987 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
5988 operands of size 2 when operand is not MEM_P.
5990 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5992 PR tree-optimization/30565
5993 * lambda-code.c (perfect_nestify): Fix updating of dominators.
5995 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
5997 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
5998 (umulsi3_highpart): Use them.
5999 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
6000 for final accumulator to D regisster tranfser.
6002 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
6004 PR tree-optimization/31699
6005 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
6007 (vect_enhance_data_refs_alignment): Compute peel amount using
6008 TYPE_VECTOR_SUBPARTS instead of vf.
6009 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
6011 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
6014 * system.h: Remove inclusion of double-int.h
6015 * tree.h: Include double-int.h
6016 * gengtype.c: Likewise
6017 * cfgloop.h: Likewise
6018 * Makefile.in: Adjust dependencies on double-int.h
6020 2007-05-02 Eric Christopher <echristo@apple.com>
6022 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
6023 -shared to -Zdynamiclib.
6025 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
6028 * c-common.c (strip_pointer_or_array_types): New function.
6029 * c-common.h (strip_pointer_or_array_types): New function declaration.
6031 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
6033 PR tree-optimization/31771
6034 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
6036 2007-05-02 Paul Brook <paul@codesourcery.com>
6038 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
6040 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6043 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
6046 2007-05-02 Nick Clifton <nickc@redhat.com>
6048 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
6050 2007-05-02 Richard Guenther <rguenther@suse.de>
6052 PR tree-optimization/31146
6053 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
6054 argument, single_use_p. If we have a single use that is
6055 a conversion to the definition rhs type, propagate that rhs.
6056 (forward_propagate_addr_expr): Pass single_use_p argument
6057 to forward_propagate_addr_expr_1.
6059 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
6061 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
6064 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6066 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
6067 'AMD Family 10 core'.
6069 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6071 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
6072 and athlon64-sse3 as improved versions of k8, opteron and athlon64
6073 with SSE3 instruction set support.
6074 * doc/invoke.texi: Likewise.
6076 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6078 * config/i386/i386.c (override_options): Tuning 32-byte loop
6079 alignment for amdfam10 architecture. Increasing the max loop
6080 alignment to 24 bytes.
6082 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
6084 * config/m68k/constraints.md: New.
6085 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
6086 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
6087 EXTRA_CONSTRAINT): Remove.
6088 * config/m68k/m68k.md: Include constraints.md.
6089 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
6091 2007-05-01 Ian Lance Taylor <iant@google.com>
6093 PR tree-optimization/31739
6094 * tree-vrp.c (vrp_val_is_max): New static function.
6095 (vrp_val_is_min): New static function.
6096 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
6098 (set_value_range): Use vrp_val_is_{max,min}.
6099 (extract_range_from_assert): Likewise.
6100 (extract_range_from_binary_expr): Likewise.
6101 (extract_range_from_unary_expr): Likewise.
6102 (dump_value_range, vrp_meet): Likewise.
6103 (vrp_visit_phi_node): Likewise.
6104 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
6106 2007-05-01 Mark Mitchell <mark@codesourcery.com>
6108 * config/i386/gmon-sol2.c (size_t): New type.
6109 (intptr_t): Likewise.
6110 (s_textsize): Declare as size_t.
6112 (monstartup): Use size_t for sizes.
6113 (_mcount): Save and restore registers.
6114 (internal_mcount): Pass 0 as the first argument to monstartup
6116 (moncontrol): Convert pointer to appropriately sized integer
6117 before passing to profil.
6119 2007-05-01 Joseph Myers <joseph@codesourcery.com>
6121 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
6122 __NO_FPRS__, not just if _SOFT_DOUBLE.
6123 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
6124 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
6125 also for E500 double.
6126 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
6127 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
6130 2007-05-01 Richard Guenther <rguenther@suse.de>
6132 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
6135 2007-05-01 Joseph Myers <joseph@codesourcery.com>
6137 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
6139 2007-05-01 Jan Hubicka <jh@suse.cz>
6141 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
6144 2007-05-01 Jan Hubicka <jh@suse.cz>
6146 * tree.h (maybe_fold_offset_to_component_ref): Remove.
6147 (maybe_fold_offset_to_reference): Declare.
6148 * fold-const.c (fold_unary): Do not fold
6149 (type *)&A into &A->field_of_type_and_offset_0
6150 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
6151 size is unknown, give up.
6152 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
6154 (maybe_fold_offset_to_reference): New.
6155 (maybe_fold_stmt_indirect): Use it.
6156 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
6157 * gimplify.c (gimplify_conversion): Canonicalize conversions to
6159 (gimplify_expr): Likewise for plus_expr.
6161 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6163 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
6164 bsi_after_labels. Always insert statements before bsi.
6165 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6166 * predict.c (apply_return_prediction): Check for empty blocks.
6167 * cfgexpand.c (lab_rtx_for_bb): New variable.
6168 (label_rtx_for_bb): Do not create new tree labels.
6169 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
6170 (tree_expand_cfg): Initialize lab_rtx_for_bb.
6171 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
6173 (label_for_bb): Add field used.
6174 (update_eh_label, main_block_label): Mark the label used.
6175 (cleanup_dead_labels): Remove unused labels.
6177 2007-05-01 Richard Guenther <rguenther@suse.de>
6179 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
6180 if it is not about to be set.
6181 (get_value_range): Do not pre-allocate equiv bitmap.
6182 (update_value_range): No need to clear equiv field.
6183 (add_equivalence): Change prototype to get bitmap pointer.
6184 Allocate bitmap here if it is not already.
6185 (extract_range_from_assert): Do not allocate bitmap here.
6186 Update callers to add_equivalence.
6187 (extract_range_from_ssa_name): Likewise.
6188 (get_vr_for_comparison): New static helper.
6189 (compare_name_with_value): Handle NULL equiv bitmap by
6190 peeling the first iteration of the comparison loop.
6191 Use get_vr_for_comparison.
6192 (compare_names): Handle NULL equiv bitmaps by using fake
6193 ones. Use get_vr_for_comparison.
6195 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
6197 * double-int.c (mpz_set_double_int): Moved from
6198 tree-ssa-loop-niter.c.
6199 (mpz_get_double_int): Likewise; also, add option to wrap
6200 out-of-range integers.
6201 * double-int.h: New prototypes for above.
6202 * tree.c (get_static_type_bounds): Moved from
6203 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
6204 TYPE_MAX_VALUE if they exist..
6205 * tree.h: New prototype for above.
6206 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
6207 get_type_bounds calls.
6208 (mpz_set_double_int): Move to double-int.c.
6209 (get_type_bounds): Move to tree.c, rename to
6210 get_static_type_bounds.
6211 (mpz_to_double_int): Move to double-int.c, rename to
6214 2007-04-30 Bob Wilson <bob.wilson@acm.org>
6216 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
6217 DIV0 exception can fall through to a normal return.
6219 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
6223 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
6224 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
6225 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6226 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
6227 initialize align to silence bogus warning.
6228 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6229 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
6231 (struct sra_walk_fns): Remove use_all parameter from use.
6232 (sra_hash_tree): Handle BIT_FIELD_REFs.
6233 (sra_elt_hash): Don't hash bitfld blocks.
6234 (sra_elt_eq): Skip them in parent compares as well. Handle
6236 (sra_walk_expr): Don't maintain or pass down use_all_p.
6237 (scan_use): Remove use_all parameter.
6238 (scalarize_use): Likewise. Re-expand assignment to
6239 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
6240 output, and re-scalarize after output. Don't mark anything
6242 (scalarize_ldst): Adjust.
6243 (scalarize_walk_gimple_modify_statement): Likewise.
6244 (build_element_name_1): Handle BIT_FIELD_REFs.
6245 (instantiate_element): Don't warn for any element whose parent
6247 (instantiate_missing_elements_1): Return the sra_elt.
6248 (canon_type_for_field): New.
6249 (try_instantiate_multiple_fields): New.
6250 (instantiate_missing_elemnts): Use them.
6251 (mark_no_warning): Removed.
6252 (generate_one_element_ref): Handle BIT_FIELD_REFs.
6253 (REPLDUP, sra_build_elt_assignment): New.
6254 (generate_copy_inout): Use them.
6255 (generate_element_copy): Likewise. Handle bitfld differences.
6256 (generate_element_zero): Don't recurse for blocks. Use
6257 sra_build_elt_assignment.
6258 (generate_one_element_int): Take elt instead of var. Use
6259 sra_build_elt_assignment.
6260 (generate_element_init_1): Adjust.
6261 (scalarize_use, scalarize_copy): Use REPLDUP.
6262 (scalarize_ldst): Move assert before dereference.
6263 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
6265 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
6268 * tree.c (reconstruct_complex_type): Reconstruct a reference
6270 Also use the same mode for the pointer as the old pointer type.
6272 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6274 * doc/trouble.texi (Interoperation): Remove note about Ultrix
6277 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
6279 PR rtl-optimization/31676
6280 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
6281 (df_refs_record): Call it.
6283 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
6285 * rtl.def (SS_ABS): New code.
6286 * config/bfin/bfin.c (print_operand): New modifier 'v'.
6287 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
6288 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
6289 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
6290 (bfin_init_builtins): Define them.
6291 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
6292 (bfin_expand_builtin): ... and handle the others here.
6293 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
6294 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
6295 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
6296 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
6297 operand is only HImode.
6299 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
6301 * regclass.c (scan_one_insn): Remove splitting of
6304 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
6305 Nigel Stephens <nigel@mips.com>
6307 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6309 2007-04-28 Jan Hubicka <jh@suse.cz>
6311 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
6312 insn_locators_alloc instead of insn_locators_initialize;
6313 call reset_block_changes.
6314 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6315 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
6316 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
6317 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
6318 * config/score/score.c (th_output_mi_thunk): Likewise.
6319 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
6320 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
6321 tolerate uninitialized locator info.
6324 * function.c (init_function_start): Don't init line number info.
6325 (expand_function_end): Update.
6326 (reset_block_changes, record_block_change, finalize_block_changes,
6327 check_block_change, free_block_changes): Kill.
6328 * function.h (reset_block_changes, record_block_change,
6329 finalize_block_changes, check_block_change, free_block_changes):
6331 (struct function): Remove ib_boundaries_block.
6332 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6333 Use curr_insn_locator to initialize locator.
6334 (emit_line_note): Remove.
6335 * cfgexpand.c (expand_gimple_cond_expr): Update.
6336 (construct_exit_block): Likewise.
6337 (tree_expand_cfg): Initialize/finalize locators.
6338 * expr.c (expand_expr_real): Update.
6339 * cfglayout.c (line_locators_locs, line_locators_lines,
6340 file_locators_locs, file_locators_files): Remove.
6341 (set_block_levels): Move to cfgexpand.c.
6342 (insn_locators_initialize): Remove.
6343 (pass_insn_locators_initialize): Remove.
6344 (locations_locators_locs, locations_locators_vals): New static vars.
6345 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6347 (insn_locators_alloc, insn_locators_finalize,
6348 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6350 (locator_location): New.
6351 (locator_line, locator_file): Rewrite.
6352 * rtl.h (emit_line_note): Kill.
6353 (insn_locators_alloc, insn_locators_finalize,
6354 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6356 * tree-inline.c (initialize_cfun): Do not initialize
6357 ib_boundaries_block.
6358 * passes.c (pass_insn_locators_initialize): Remove.
6360 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
6362 * tree-cfg.c (move_block_to_fn): Release bb from dominance
6363 info. Update last_basic_block correctly.
6365 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
6368 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
6369 register itself to hold the offset constant. Tell flow the use
6370 of r4 and r5 when they are used.
6372 2007-04-27 Richard Guenther <rguenther@suse.de>
6374 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
6375 if we simplified anything.
6376 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
6377 warnings until we did a simplification and the stmt was not
6378 marked as TREE_NO_WARNING.
6380 2007-04-27 Mike Stump <mrs@apple.com>
6382 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
6384 2007-04-27 Ian Lance Taylor <iant@google.com>
6387 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
6388 TYPE_MAX_VALUE exist, convert them to the new type.
6390 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6392 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
6393 if it claims to be available.
6394 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
6396 (perform_tree_ssa_dce): Always free postdominators.
6398 2007-04-27 Richard Henderson <rth@redhat.com>
6400 * config/alpha/predicates.md (aligned_memory_operand): Mark
6401 as define_special_predicate.
6402 (unaligned_memory_operand, normal_memory_operand): Likewise.
6403 (reg_or_unaligned_mem_operand): Remove.
6404 (any_memory_operand): Match the documentation and check for
6405 non-renumbered pseudos during reload.
6406 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
6407 alpha_secondary_reload_class, update to new interface, make static.
6408 Handle CQImode like HImode. Remove FP subreg check.
6409 (alpha_expand_mov): Use replace_equiv_address.
6410 (alpha_expand_mov_nobwx): Use any_memory_operand.
6411 (TARGET_SECONDARY_RELOAD): New.
6412 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
6413 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6414 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
6415 * config/alpha/alpha.md: ... here.
6416 (RELOAD12, reloadmode): New.
6418 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
6419 Don't handle the aligned case here.
6420 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
6421 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
6422 reload_inhi_help. Don't expect a scratch register.
6423 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
6425 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
6427 2007-04-27 Richard Guenther <rguenther@suse.de>
6429 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
6431 2007-04-27 Richard Guenther <rguenther@suse.de>
6433 PR tree-optimization/30965
6434 PR tree-optimization/30978
6435 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
6436 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
6437 (find_equivalent_equality_comparison): Likewise.
6438 (simplify_cond): Likewise.
6439 (get_prop_source_stmt): New helper.
6440 (get_prop_dest_stmt): Likewise.
6441 (can_propagate_from): Likewise.
6442 (remove_prop_source_from_use): Likewise.
6443 (combine_cond_expr_cond): Likewise.
6444 (forward_propagate_comparison): New function.
6445 (forward_propagate_into_cond): Rewrite to use fold for
6447 (tree_ssa_forward_propagate_single_use_vars): Call
6448 forward_propagate_comparison to propagate comparisons.
6450 2007-04-27 Richard Guenther <rguenther@suse.de>
6452 PR tree-optimization/31715
6453 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
6454 sure to do computation on the offset in an appropriate
6457 2007-04-27 Richard Sandiford <richard@codesourcery.com>
6459 * reload.h (elimination_target_reg_p): Declare.
6460 * reload.c (find_reloads): Don't apply the reg_rtx move
6461 optimization if the SET_DEST satisfies elimination_target_reg_p.
6462 * reload1.c (elimination_target_reg_p): New function.
6463 (gen_reload): In the move/add2 fallback, make sure that op0
6464 does not overlap the destination register.
6466 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6468 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
6469 transform only GIMPLE_MODIFY_STMTs.
6470 * tree-complex.c (expand_complex_operations_1): Ditto.
6471 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
6472 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
6473 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
6475 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6476 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
6477 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
6478 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
6479 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
6480 slpeel_add_loop_guard): Ditto.
6481 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6482 * lambda-code.c (perfect_nestify): Ditto.
6483 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
6484 before the first statement.
6485 * tree-optimize.c (execute_free_datastructures): Fix comments.
6486 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
6487 * tree-flow.h (disband_implicit_edges): Declaration removed.
6488 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
6490 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
6491 COND_EXPRs without gotos.
6492 (disband_implicit_edges, has_label_p): Removed.
6493 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
6494 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
6496 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
6498 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
6499 also for COND_EXPRs.
6500 * cfgexpand.c (label_rtx_for_bb): New function.
6501 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
6502 Use label_rtx_for_bb to find the labels.
6503 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
6504 last block. Detect fallthru edges.
6506 2007-04-26 Ian Lance Taylor <iant@google.com>
6509 * reload.c (find_reloads_subreg_address): If the address was valid
6510 in the original mode but not in the new mode, reload the whole
6513 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6515 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
6516 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
6517 (cleanup_control_expr_graph): Do not invalidate dominance info.
6518 Record altered blocks.
6519 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
6520 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
6521 cleanup_tree_cfg_bb): New functions.
6522 (remove_forwarder_block): Do not maintain the worklist of blocks.
6523 Record altered blocks.
6524 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
6526 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
6527 delete_unreachable_blocks if dominators are not available.
6528 * tree-inline.c (optimize_inline_calls): Free dominance information
6530 * tree-flow.h (remove_edge_and_dominated_blocks,
6531 cfgcleanup_altered_bbs): Altered.
6532 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
6534 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
6536 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
6537 do not invalidate dominators.
6539 2007-04-26 Anatoly Sokolov <aesok@post.ru>
6541 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
6542 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
6543 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6544 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6546 2007-04-26 Steve Ellcey <sje@cup.hp.com>
6548 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
6550 2007-04-26 Richard Guenther <rguenther@suse.de>
6552 PR tree-optimization/31703
6553 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
6554 the right type for the target of the bittest.
6556 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6558 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
6559 ix86_sol10_return_in_memory.
6561 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6563 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
6566 2007-04-26 Jakub Jelinek <jakub@redhat.com>
6569 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
6571 PR tree-optimization/30558
6572 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
6573 clear this_state.prev_try.
6575 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6576 Mark Mitchell <mark@codesourcery.com>
6578 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
6579 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
6580 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
6582 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6585 * doc/invoke.texi (%:print-asm-header): Document.
6586 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
6588 (static_spec_functions): Add print-asm-header.
6589 (main): Print a banner before the --target-help linker options.
6590 (print_asm_header_spec_function): New function.
6592 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
6595 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
6596 (movsf_ie): Likewise.
6598 2007-04-25 Paolo Carlini <pcarlini@suse.de>
6600 * doc/extend.texi ([Type Traits]): Adjust per N2255.
6602 2007-04-25 Bob Wilson <bob.wilson@acm.org>
6604 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
6605 exception for divide-by-zero.
6606 (__umodsi3, __modsi3): Likewise.
6608 2007-04-25 Dirk Mueller <dmueller@suse.de>
6610 * c-typeck.c (build_compound_expr): Annotate warning()
6611 call with OPT_Wunused_value.
6612 * tree-ssa.c (warn_uninit): Annotate warning with
6614 * c-common.c (handle_sentinel_attribute): Annotate warning
6615 call with OPT_Wattributes.
6617 2007-04-25 Thiemo Seufer <ths@mips.com>
6619 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
6621 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
6622 on to the assembler. Improve handling of -mno-mips16. Add handling
6623 of -mno-mips3d, -mno-dsp, -mno-dspr2.
6624 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
6625 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
6626 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
6628 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
6631 * config/i386/winnt.c (i386_pe_file_end): Strip only
6632 USER_LABEL_PREFIX when writing export name.
6634 2007-04-25 Richard Sandiford <richard@codesourcery.com>
6636 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
6637 sh/elf.h, vx-common.h and vxworks.h.
6638 * config/sh/sh.h: Include config/vxworks-dummy.h.
6639 (SUBTARGET_OVERRIDE_OPTIONS): Define.
6640 (OVERRIDE_OPTIONS): Use it.
6641 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
6642 (vxworks_picreg): New pattern.
6643 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
6644 VXWORKS_OS_CPP_BUILTINS.
6645 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
6646 to their VXWORKS_* equivalents.
6647 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
6648 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
6649 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
6650 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
6651 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
6652 -mrtp/-fPIC multilibs.
6653 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
6654 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
6655 (MULTILIB_OSDIRNAMES): Delete.
6657 2007-04-25 Anatoly Sokolov <aesok@post.ru>
6660 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
6662 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
6664 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
6665 rounding mode to be specified by the caller.
6666 (real_to_mpfr) Likewise.
6667 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
6668 include new arguments.
6669 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
6671 2007-04-24 Ian Lance Taylor <iant@google.com>
6673 PR tree-optimization/31605
6674 * tree-vrp.c (set_value_range): Check that min and max are not
6675 both overflow infinities.
6676 (set_value_range_to_value): New static function.
6677 (extract_range_from_binary_expr): Call set_value_range_to_value.
6678 (extract_range_from_cond_expr): Likewise.
6679 (extract_range_from_expr): Likewise.
6680 (extract_range_from_unary_expr): Likewise. Don't create a range
6681 which overflows on both sides.
6682 (vrp_meet): Check for a useless range.
6683 (vrp_visit_phi_node): If we see a constant which looks like an
6684 overflow infinity, turn off the TREE_OVERFLOW flag.
6686 2007-04-24 Ian Lance Taylor <iant@google.com>
6688 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
6690 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
6693 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
6694 diagnostic message is being built.
6695 * tree-pretty-print.c (dump_generic_node): Only write the
6696 formatted text into BUFFER's stream if we are not building a
6698 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
6700 * Makefile.in (toplev.o): Depend on tree-pass.h.
6702 2007-04-24 Ian Lance Taylor <iant@google.com>
6704 PR tree-optimization/31602
6705 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
6706 conditionals in the copied loop header.
6707 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
6708 warnings if TREE_NO_WARNING is set.
6709 * doc/invoke.texi (Warning Options): Clarify that
6710 -Wstrict-overflow does not warn about loops.
6712 2007-04-24 Janis Johnson <janis187@us.ibm.com>
6714 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
6715 expand on the comment about _Decimal128 arguments and check the
6716 integer result of the modulus operation; for 64-bit ELF ABI, ensure
6717 that _Decimal128 argument uses even/odd register pair.
6718 (function_arg): Ditto.
6720 2007-04-24 Hui-May Chang <hm.chang@apple.com>
6722 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
6723 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
6725 2007-04-24 Richard Guenther <rguenther@suse.de>
6726 Olga Golovanevsky <olga@il.ibm.com>
6728 * fold-const.c (multiple_of_p): Check for bottom
6731 2007-04-24 Richard Henderson <rth@redhat.com>
6733 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
6734 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
6735 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
6736 looking for non-zero bits shifted out. Avoid a recursive call
6737 when constructing the scalar.
6738 (__floatundisf): Likewise.
6740 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
6742 * dwarf2out.c (field_byte_offset): Move the existing logic
6743 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
6744 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
6746 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6749 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
6750 length argument of 0 for memset.
6751 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
6752 unsigned shift instead of the signed variant.
6754 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6756 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
6757 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
6758 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
6759 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6760 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
6761 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
6762 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
6763 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
6764 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
6765 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
6766 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
6767 "mul<mode>3", "div<mode>3"): Insn definitions added.
6768 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
6769 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
6770 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
6771 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
6772 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
6773 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
6774 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
6775 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
6776 TARGET_FLOAT_FORMAT): Macro definitions removed.
6777 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
6778 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
6779 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
6780 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
6781 (s390_gen_rtx_const_DI): Function removed.
6782 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
6784 2007-04-24 Richard Sandiford <richard@codesourcery.com>
6786 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
6787 over an external ffs function.
6789 2007-04-24 Chao-ying Fu <fu@mips.com>
6790 Richard Sandiford <richard@nildram.co.uk>
6792 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
6793 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
6794 (smadd_widen_optab, umadd_widen_optab): Define.
6795 * optabs.c (init_optabs): Initialize smadd_widen_optab and
6797 * genopinit.c (optabs): Fill in smadd_widen_optab and
6799 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
6800 and umadd_widen_optab to implement multiply-add sequences.
6801 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
6802 (<u>maddsidi4): ...this. Extend condition to include
6803 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
6804 of operand 0 to "ka" and use the three-operand form of madd<u>
6806 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
6808 * config/mips/constraints.md (ka): New register constraint.
6810 2007-04-24 Jan Hubicka <j@suse.cz>
6814 2007-04-23 Jan Hubicka <jh@suse.cz>
6815 * function.c (init_function_start): Don't init line number info.
6816 (expand_function_end): Update.
6817 (reset_block_changes, record_block_change, finalize_block_changes,
6818 check_block_change, free_block_changes): Kill.
6819 * function.h (reset_block_changes, record_block_change,
6820 finalize_block_changes, check_block_change, free_block_changes):
6822 (struct function): Remove ib_boundaries_block.
6823 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6824 Use curr_insn_locator to initialize locator.
6825 (emit_line_note): Remove.
6826 * cfgexpand.c (expand_gimple_cond_expr): Update.
6827 (construct_exit_block): Likewise.
6828 (tree_expand_cfg): Initialize/finalize locators.
6829 * expr.c (expand_expr_real): Update.
6830 * cfglayout.c (line_locators_locs, line_locators_lines,
6831 file_locators_locs, file_locators_files): Remove.
6832 (set_block_levels): Move to cfgexpand.c.
6833 (insn_locators_initialize): Remove.
6834 (pass_insn_locators_initialize): Remove.
6835 (locations_locators_locs, locations_locators_vals): New static vars.
6836 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6838 (insn_locators_alloc, insn_locators_finalize,
6839 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6841 (locator_location): New.
6842 (locator_line, locator_file): Rewrite.
6843 * rtl.h (emit_line_note): Kill.
6844 (insn_locators_alloc, insn_locators_finalize,
6845 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6847 * tree-inline.c (initialize_cfun): Do not initialize
6848 ib_boundaries_block.
6849 * passes.c (pass_insn_locators_initialize): Remove.
6851 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
6853 * doc/invoke.texi: Removed leading '-' from option index entries.
6855 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
6857 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
6859 (create_phi_node): Use set_phi_nodes.
6860 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
6861 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
6862 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
6863 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
6864 (bsi_start, bsi_last): Use bb_stmt_list.
6865 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
6866 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
6867 Traverse the statements using tsi iterator.
6868 * basic-block.h (struct basic_block_def): Fields stmt_list
6869 and phi_nodes moved to ...
6870 (struct tree_bb_info): ... new structure.
6871 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
6872 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
6873 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
6874 (tree_verify_flow_info): Verify that il.tree is not set for
6875 entry and exit block.
6876 (tree_split_block): Use set_bb_stmt_list.
6878 2007-04-23 Mike Stump <mrs@apple.com>
6880 * config/i386/i386.c (ix86_tune_features
6881 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
6884 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6886 * config/i386/i386.md (prefix_extra): New attribute.
6887 (length): Add prefix_extra.
6889 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
6890 (sse2_movntv2di): Likewise.
6891 (sse2_cvtps2dq): Likewise.
6892 (sse2_cvtpd2pi): Likewise.
6893 (sse2_cvttpd2pi): Likewise.
6894 (*sse2_cvtpd2ps): Likewise.
6895 (*add<mode>3): Likewise.
6896 (sse2_ssadd<mode>3): Likewise.
6897 (sse2_usadd<mode>3): Likewise.
6898 (*sub<mode>3): Likewise.
6899 (sse2_sssub<mode>3): Likewise.
6900 (sse2_ussub<mode>3): Likewise.
6901 (*mulv8hi3): Likewise.
6902 (*smulv8hi3_highpart): Likewise.
6903 (*umulv8hi3_highpart): Likewise.
6904 (sse2_umulv2siv2di3): Likewise.
6905 (sse2_pmaddwd): Likewise.
6906 (ashr<mode>3): Likewise.
6907 (lshr<mode>3): Likewise.
6908 (ashl<mode>3): Likewise.
6909 (sse2_ashlti3): Likewise.
6910 (sse2_lshrti3): Likewise.
6911 (*umaxv16qi3): Likewise.
6912 (*smaxv8hi3): Likewise.
6913 (*uminv16qi3): Likewise.
6914 (*sminv8hi3): Likewise.
6915 (sse2_eq<mode>3): Likewise.
6916 (sse2_gt<mode>3): Likewise.
6917 (*and<mode>3): Likewise.
6918 (sse2_nand<mode>3): Likewise.
6919 (*ior<mode>3): Likewise.
6920 (*xor<mode>3): Likewise.
6921 (sse2_packsswb): Likewise.
6922 (sse2_packssdw): Likewise.
6923 (sse2_packuswb): Likewise.
6924 (sse2_punpckhbw): Likewise.
6925 (sse2_punpcklbw): Likewise.
6926 (sse2_punpckhwd): Likewise.
6927 (sse2_punpcklwd): Likewise.
6928 (sse2_punpckhdq): Likewise.
6929 (sse2_punpckldq): Likewise.
6930 (sse2_punpckhqdq): Likewise.
6931 (sse2_punpcklqdq): Likewise.
6932 (*sse2_pinsrw): Likewise.
6933 (*sse2_pextrw): Likewise.
6934 (sse2_pshufd_1): Likewise.
6935 (sse2_uavgv16qi3): Likewise.
6936 (sse2_uavgv8hi3): Likewise.
6937 (sse2_psadbw): Likewise.
6938 (sse2_pmovmskb): Likewise.
6939 (*sse2_maskmovdqu): Likewise.
6940 (*sse2_maskmovdqu_rex64): Likewise.
6941 (sse4a_extrqi): Likewise.
6942 (sse4a_extrq): Likewise.
6943 (sse3_lddqu): Set prefix_rep.
6944 (sse3_addsubv4sf3): Likewise.
6945 (sse3_haddv4sf3): Likewise.
6946 (sse3_hsubv4sf3): Likewise.
6947 (sse_cvtss2si): Likewise.
6948 (sse_cvtss2si_2): Likewise.
6949 (sse_cvtss2siq): Likewise.
6950 (sse_cvtss2siq_2): Likewise.
6951 (sse_cvttss2si): Likewise.
6952 (sse_cvttss2siq): Likewise.
6953 (sse2_cvttps2dq): Likewise.
6954 (sse3_movshdup): Likewise.
6955 (sse3_movsldup): Likewise.
6956 (sse2_cvtsd2si): Likewise.
6957 (sse2_cvtsd2si_2): Likewise.
6958 (sse2_cvtsd2siq): Likewise.
6959 (sse2_cvtsd2siq_2): Likewise.
6960 (sse2_cvttsd2si): Likewise.
6961 (sse2_cvttsd2siq): Likewise.
6962 (*sse2_cvtpd2dq): Likewise.
6963 (*sse2_cvttpd2dq): Likewise.
6964 (sse2_pshuflw_1): Likewise.
6965 (sse2_pshufhw_1): Likewise.
6966 (sse4a_insertqi): Likewise.
6967 (sse4a_insertq): Likewise.
6968 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
6969 (ssse3_phadddv4si3): Likewise.
6970 (ssse3_phaddswv8hi3): Likewise.
6971 (ssse3_phsubwv8hi3): Likewise.
6972 (ssse3_phsubdv4si3): Likewise.
6973 (ssse3_phsubswv8hi3): Likewise.
6974 (ssse3_pmaddubswv8hi3): Likewise.
6975 (ssse3_pmulhrswv8hi3): Likewise.
6976 (ssse3_pshufbv16qi3): Likewise.
6977 (ssse3_psign<mode>3): Likewise.
6978 (ssse3_palignrti): Likewise.
6979 (abs<mode>2): Likewise.
6980 (ssse3_phaddwv4hi3): Set prefix_extra.
6981 (ssse3_phadddv2si3): Likewise.
6982 (ssse3_phaddswv4hi3): Likewise.
6983 (ssse3_phsubwv4hi3): Likewise.
6984 (ssse3_phsubdv2si3): Likewise.
6985 (ssse3_phsubswv4hi3): Likewise.
6986 (ssse3_pmaddubswv4hi3): Likewise.
6987 (ssse3_pmulhrswv4hi3): Likewise.
6988 (ssse3_pshufbv8qi3): Likewise.
6989 (ssse3_psign<mode>3): Likewise.
6990 (ssse3_palignrdi): Likewise.
6991 (abs<mode>2): Likewise.
6992 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
6993 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
6994 (sse2_pmovmskb): Set mode to SI instead of V2DF.
6996 2007-04-23 Nick Clifton <nickc@redhat.com>
6998 * params.def: Fix formatting of emacs local variables.
7000 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
7002 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
7003 move if inter-unit move isn't allowed.
7004 Don't split moving the first element of V2DI to DI to inter-unit
7005 move if inter-unit move isn't allowed.
7007 2007-04-23 Richard Guenther <rguenther@suse.de>
7009 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
7010 and CDI_POST_DOMINATORS separately.
7012 2007-04-23 Nick Clifton <nickc@redhat.com>
7014 * c.opt (Wformat-contains-nul): Add warning attribute.
7016 2007-04-23 Jan Hubicka <jh@suse.cz>
7018 * function.c (init_function_start): Don't init line number info.
7019 (expand_function_end): Update.
7020 (reset_block_changes, record_block_change, finalize_block_changes,
7021 check_block_change, free_block_changes): Kill.
7022 * function.h (reset_block_changes, record_block_change,
7023 finalize_block_changes, check_block_change, free_block_changes):
7025 (struct function): Remove ib_boundaries_block.
7026 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
7027 Use curr_insn_locator to initialize locator.
7028 (emit_line_note): Remove.
7029 * cfgexpand.c (expand_gimple_cond_expr): Update.
7030 (construct_exit_block): Likewise.
7031 (tree_expand_cfg): Initialize/finalize locators.
7032 * expr.c (expand_expr_real): Update.
7033 * cfglayout.c (line_locators_locs, line_locators_lines,
7034 file_locators_locs, file_locators_files): Remove.
7035 (set_block_levels): Move to cfgexpand.c.
7036 (insn_locators_initialize): Remove.
7037 (pass_insn_locators_initialize): Remove.
7038 (locations_locators_locs, locations_locators_vals): New static vars.
7039 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
7041 (insn_locators_alloc, insn_locators_finalize,
7042 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7044 (locator_location): New.
7045 (locator_line, locator_file): Rewrite.
7046 * rtl.h (emit_line_note): Kill.
7047 (insn_locators_alloc, insn_locators_finalize,
7048 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7050 * tree-inline.c (initialize_cfun): Do not initialize
7051 ib_boundaries_block.
7052 * passes.c (pass_insn_locators_initialize): Remove.
7054 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
7057 * expr.c (reduce_to_bit_field_precision): Handle
7060 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
7062 PR tree-optimization/24659
7063 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
7064 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
7065 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
7066 * genopinit.c (optabs): Rename vec_pack_mod_optab
7067 to vec_pack_trunc_optab.
7068 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
7069 early for scalar floating point operands for NOP_EXPR.
7070 (vectorizable_type_promotion): Ditto.
7071 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
7072 vec_pack_trunc_optab.
7073 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
7075 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
7076 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
7077 Rename from VEC_PACK_MOD_EXPR.
7078 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
7079 * expr.c (expand_expr_real_1): Ditto.
7080 * tree-inline.c (estimate_num_insns_1): Ditto.
7081 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
7083 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
7084 (vec_unpacks_lo_v4sf): Ditto.
7085 (vec_pack_trunc_v2df): Ditto.
7086 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
7087 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
7088 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
7090 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
7092 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
7094 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
7095 Rename from VEC_PACK_MOD_EXPR. This expression also represent
7096 packing of floating point operands.
7097 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
7098 represent unpacking of floating point operands.
7099 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
7100 [vec_unpacks_hi]: Ditto.
7101 [vec_unpacks_lo]: Ditto.
7103 2007-04-22 Jan Hubicka <jh@suse.cz>
7105 * final.c (rest_of_handle_final): Call
7106 targetm.asm_out.constructor/targetm.asm_out.destructor
7107 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
7108 proper priority via decl_*_priority_insert.
7109 * c-common.c (c_expand_body): Likewise.
7111 2007-04-22 Richard Guenther <rguenther@suse.de>
7113 PR tree-optimization/29789
7114 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
7115 (rewrite_reciprocal): New helper split out from
7116 determine_invariantness_stmt.
7117 (rewrite_bittest): Likewise.
7118 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
7119 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
7122 2007-04-22 Revital Eres <eres@il.ibm.com>
7124 * loop-unroll.c (var_to_expand): New field to support also
7125 insns of the form x = something + x.
7126 (analyze_insn_to_expand_var): Use it.
7127 (expand_var_during_unrolling): Likewise.
7129 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7131 * predict.c: Include pointer-set.h.
7132 (bb_predictions): New variable.
7133 (tree_predicted_by_p, tree_predict_edge,
7134 remove_predictions_associated_with_edge): Use bb_predictions map
7135 instead of bb->predictions.
7136 (clear_bb_predictions, assert_is_empty): New functions.
7137 (combine_predictions_for_bb): Use bb_predictions map. Call
7138 clear_bb_predictions.
7139 (tree_estimate_probability): Create and free bb_predictions map.
7140 * Makefile.in (predict.o): Add pointer-set.h dependency.
7141 * basic-block.h (struct basic_block_def): Remove predictions
7143 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
7145 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
7148 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
7151 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7153 * timevar.c (timevar_print): Change reference of --disable-checking to
7154 --enable-checking=release. Also warn if assert checking is disabled.
7156 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7159 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
7160 decl as addressable if the compound literal was marked as
7162 Mark the decl as a gimple register if it is a complex or
7163 vector decl and does not live in memory.
7165 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7167 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
7168 (GENERIC_NEXT): New function macro.
7169 (PHI_CHAIN): Use phi_node's new chain variable.
7170 (tree_phi_node): Change tree_common to tree_base
7171 and add the chain field.
7172 * tree-phinodes.c (make_phi_node): Don't set
7173 TREE_TYPE on the new node.
7174 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
7175 instead of checking GIMPLE_TUPLE_P in chain_next.
7176 * tree-vect-transform.c
7177 (get_initial_def_for_induction): Look at
7178 PHI_RESULT_TREE for the type of the phi node.
7179 (update_vuses_to_preheader): Use PHI_CHAIN
7180 instead of TREE_CHAIN on the phi node.
7181 * tree-ssa-structalias.c (compute_points_to_sets):
7183 (ipa_pta_execute): Likewise.
7185 2007-04-21 Richard Guenther <rguenther@suse.de>
7188 * fold-const.c (fold_unary): Call fold_convert_const on the
7191 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
7193 * gcse.c (store_killed_in_insn): Handle PARALLELs.
7194 (store_killed_in_pat): New.
7196 2007-04-20 Richard Henderson <rth@redhat.com>
7199 * config/i386/i386.c (type_has_variadic_args_p): Look for any
7200 TREE_LIST with a void_type_node value, not void_list_node exactly.
7202 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
7204 * doc/standards.texi: Re-arrange into language-specific
7205 subsections. Add a C++ section, documenting which standards we
7208 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7210 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
7211 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
7213 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
7215 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
7216 ecrti.o and crtbegin.o.
7217 (LIB_DEFAULT_SPEC): Include -lc.
7218 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
7220 2007-04-20 Richard Henderson <rth@redhat.com>
7223 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
7224 argument; update all callers.
7225 (get_unaligned_offset): New.
7226 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
7227 get_unaligned_address, just pass on the address directly.
7228 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
7229 the subreg in the helper patterns.
7230 (unaligned_extendqidi_le): Use get_unaligned_offset.
7231 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
7232 (unaligned_extendhidi_be): Likewise.
7233 (unaligned_extendhidi): Tidy.
7234 * config/alpha/alpha-protos.h: Update.
7236 2007-04-20 Richard Henderson <rth@redhat.com>
7238 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
7239 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
7240 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
7241 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7242 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7243 (CPP_SPEC): Don't include %(cpp_subtarget).
7244 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
7245 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7246 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
7248 2007-04-20 Jakub Jelinek <jakub@redhat.com>
7250 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
7251 for __builtin_ia32_cmpordss.
7253 PR tree-optimization/31632
7254 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
7255 and arg1 for optimizations of comparison against min/max values.
7256 Fold arg0 to arg1's type for optimizations of comparison against
7257 min+1 and max-1 values.
7259 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
7261 * reload.c (combine_reloads): When trying to use a dying register,
7262 check whether it's uninitialized and don't use if so.
7264 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
7266 * fold-const.c: Remove prototypes for native_encode_expr and
7267 native_interpret_expr.
7268 (native_encode_expr): Make non-static.
7269 (native_interpret_expr): Likewise.
7270 * tree.h: Add prototypes for the above.
7272 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7274 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
7275 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
7276 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
7277 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
7278 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
7279 Add length attributes.
7281 2007-04-19 Janis Johnson <janis187@us.ibm.com>
7283 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
7286 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7287 __STDC_WANT_DEC_FP__.
7289 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7291 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
7292 for long double compatibility.
7293 * configure: Regenerate.
7295 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
7297 PR rtl-optimization/29841
7298 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
7300 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
7301 that may cause control flow transfer from being moved.
7303 2007-04-18 Jan Hubicka <jh@suse.cz>
7305 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
7308 2007-04-18 Eric Christopher <echristo@apple.com>
7310 * config/rs6000/darwin.md (load_macho_picbase): Use link register
7311 only. Update operands.
7312 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
7313 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7314 link register to pic register.
7316 2007-04-18 Dirk Mueller <dmueller@suse.de>
7319 * tree-vrp.c (search_for_addr_array): New.
7320 (check_array_bounds): Suppress warning about
7321 address taken of array refs if its not de-referenced.
7323 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7325 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
7326 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
7328 * tree-vectorizer.h (NITERS_KNOWN_P): New.
7329 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
7330 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
7332 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
7334 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
7336 (vect_analyze_scalar_cycles): Fix indentation.
7337 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
7338 (vect_mark_relevant): Include phis in relevance analysis.
7340 * tree-vect-transform.c (vect_transform_loop): Add an assert.
7342 2007-04-18 Anatoly Sokolov <aesok@post.ru>
7344 * config/avr/avr.c (ptrreg_to_str): Replace error() with
7345 output_operand_lossage().
7347 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7349 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
7350 the unused code for reduction without adjust-in-epilog to simplify the
7353 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
7355 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
7356 (S390_TDC_NEGATIVE_ZERO): New constant.
7357 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
7358 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
7359 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
7360 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
7361 (S390_TDC_POSITIVE_INFINITY): New constant.
7362 (S390_TDC_NEGATIVE_INFINITY): New constant.
7363 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
7364 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
7365 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
7366 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
7367 (S390_TDC_INFINITY): New constant.
7368 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
7369 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
7370 optimization for UNSPEC_CCZ_TO_INT.
7371 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
7372 ("*ccz_to_int"): New insn.
7373 ("isinf<mode>2"): New insn.
7374 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
7375 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
7376 (UNSPEC_CCZ_TO_INT): New constant.
7378 2007-04-18 Richard Guenther <rguenther@suse.de>
7380 PR tree-optimization/19431
7381 PR tree-optimization/21463
7382 * tree-pass.h (pass_phiprop): Declare.
7383 * passes.c (init_optimization_passes): New phiprop pass.
7384 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
7385 (phivn_valid_p): New helper function.
7386 (phiprop_insert_phi): Likewise.
7387 (propagate_with_phi): Likewise.
7388 (tree_ssa_phiprop): New propagator propagating loads
7389 through phi nodes if profitable.
7391 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7393 * tree-vect-analyze.c (process_use): New function.
7394 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
7395 Check phis in all bbs.
7396 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
7399 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
7401 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
7404 2007-04-17 Anatoly Sokolov <aesok@post.ru>
7407 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
7410 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
7412 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
7414 (sse_vmmulv4sf3): Likewise.
7415 (sse2_vmaddv2df3): Likewise.
7416 (sse2_vmmulv2df3): Likewise.
7418 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
7420 PR rtl-optimization/31360
7421 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
7422 (target_reg_cost): New.
7423 (init_set_costs): Initialize target_reg_cost. Add comments
7424 regarding the rationale of the costs.
7425 (global_cost_for_size): Renamed to...
7426 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
7427 of register pressure.
7428 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
7429 estimate_reg_pressure_cost. Add number of ivs.
7430 (determine_set_costs): Dump target_reg_cost.
7431 * loop-invariant.c (gain_for_invariant): Use
7432 estimate_reg_pressure_cost. Removed n_inv_uses argument.
7433 (best_gain_for_invariant, find_invariants_to_move): Remove
7435 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
7436 (target_reg_cost): Declare.
7437 (global_cost_for_size): Declaration removed.
7438 (estimate_reg_pressure_cost): Declare.
7440 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
7442 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
7443 regnos into even/odd register pairs.
7444 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
7445 TDmode similar to the other floating point modes.
7446 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
7447 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
7449 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
7450 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
7451 (movdd_hardfloat64): Use TARGET_MFPGPR.
7453 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
7455 * reload1.c (delete_output_reload): Don't count output in n_inherited.
7458 2005-01-05 Richard Henderson <rth@redhat.com>
7460 * reload1.c (do_input_reload): Restrict the optimization deleteing
7461 a previous output reload to RELOAD_FOR_INPUT.
7463 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
7465 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
7466 induc_vec_info_type.
7467 (vectorizable_induction): New function declaration.
7468 * tree-vect-transform.c (get_initial_def_for_induction): No need to
7469 check if already vectorized. Find first place in BB where new stmts
7470 can be inserted. Takes only one argument.
7471 (vectorizable_induction): New function.
7472 (vect_transform_stmt): Add case for induc_vec_info_type to call
7473 vectorizable_induction.
7474 (vect_transform_loop): Consider phis for vectorization.
7475 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
7477 (analyze_operations): Call vectorizable_induction when analyzing phis.
7479 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
7480 (vect_mark_relevant): Include phis in relevance analysis.
7481 (vect_mark_stmts_to_be_vectorize): Likewise.
7482 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
7484 2007-04-16 Lawrence Crowl <crowl@google.com>
7486 * doc/invoke.texi (Debugging Options): Add documentation for the
7487 -femit-struct-debug options -femit-struct-debug-baseonly,
7488 -femit-struct-debug-reduced, and
7489 -femit-struct-debug-detailed[=...].
7491 * c-opts.c (c_common_handle_option): Add
7492 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
7493 and OPT_femit_struct_debug_detailed_.
7494 * c.opt: Add specifications for
7495 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
7496 and -femit-struct-debug-detailed[=...].
7497 * opts.c (set_struct_debug_option): Parse the
7498 -femit-struct-debug-... options.
7499 * opts.c (matches_main_base, main_input_basename,
7500 main_input_baselength, base_of_path, matches_main_base): Add
7501 variables and functions to compare header base name to compilation
7503 * opts.c (should_emit_struct_debug): Add to determine to emit a
7504 structure based on the option.
7505 (dump_struct_debug) Also disabled function to debug this
7507 * opts.c (handle_options): Save the base name of the
7510 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
7511 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
7512 This hook indicates if a type is generic. Set it by default
7514 * langhooks.h (struct lang_hooks_for_types): Add a new hook
7515 to determine if a struct type is generic or not.
7516 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
7517 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
7518 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
7521 * flags.h (enum debug_info_usage): Add an enumeration to describe
7522 a program's use of a structure type.
7523 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
7524 to indicate the program's usage of the type. Filter structs based
7525 on the -femit-struct-debug-... specification.
7526 (gen_type_die): Split into two routines, gen_type_die and
7527 gen_type_die_with_usage. gen_type_die is now a wrapper
7528 that assumes direct usage.
7529 (gen_type_die_with_usage): Replace calls to gen_type_die
7530 with gen_type_die_with_usage adding the program usage of
7531 the referenced type.
7532 (dwarf2out_imported_module_or_decl): Suppress struct debug
7533 information using should_emit_struct_debug when appropriate.
7535 2007-04-16 Ian Lance Taylor <iant@google.com>
7537 PR tree-optimization/31522
7538 * tree-vrp.c (vr_phi_edge_counts): New static variable.
7539 (vrp_initialize): Allocate vr_phi_edge_counts.
7540 (vrp_visit_phi_node): Don't push to infinity if we saw a new
7541 executable edge. Drop test for all constants.
7542 (vrp_finalize): Free vrp_phi_edge_counts.
7544 * doc/cpp.texi (Common Predefined Macros): Clarify description of
7545 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7547 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
7548 predecessors at head rather than tail.
7550 2007-04-16 Matthias Klose <doko@debian.org>
7552 * config/alpha/linux.h (CPP_SPEC): Define.
7553 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
7555 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
7557 * function.h: Remove sequence_stack extern declaration.
7559 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7561 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
7563 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
7566 2007-04-16 Anatoly Sokolov <aesok@post.ru>
7568 * config/avr/avr.c (avr_arch_types): Rearranging array.
7569 (enum avr_arch): Add.
7570 (avr_mcu_types): Use avr_arch enumeration constants instead of
7572 * config/avr/avr.h (LINK_SPEC): Simplify.
7574 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7576 * config/m68k/m68k.c (m68k_libcall_value,
7577 m68k_function_value): Use macros for register names more.
7579 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
7581 (M68K_REGNAME): Use A6_REG.
7582 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
7584 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7587 * sched-int.h (struct deps): Split field 'pending_lists_length' into
7588 'pending_read_list_length' and 'pending_write_list_length'. Update
7590 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
7591 to handle two length counters instead of one. Update all uses.
7592 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
7593 two length counters instead of one.
7594 * sched-rgn.c (propagate_deps): Update to handle two length counters
7597 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
7600 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
7601 copy of source, pass it to ix86_expand_vector_set and return
7604 2007-04-16 David Ung <davidu@mips.com>
7605 Joseph Myers <joseph@codesourcery.com>
7607 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
7608 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
7609 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
7610 Add 74K processor information.
7611 * config/mips/mips.md: Include 74k.md.
7612 (cpu): Add 74kc,74kf,74kx.
7613 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
7614 * config/mips/74k.md: New.
7615 * doc/invoke.texi (MIPS Options): Document 74K support.
7617 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
7619 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
7620 vectorizable_* functions.
7621 * tree-vect-transform.c (vectorizable_call): Add check for
7622 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
7623 (vectorizable_store): likewise.
7624 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
7626 (vectorizable_operation, vectorizable_type_demotion): Likewise.
7627 (vectorizable_type_promotion, vectorizable_load): Likewise.
7628 (vectorizable_live_operation, vectorizable_condition): Likewise.
7629 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
7631 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
7633 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7635 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
7636 register numbers more.
7637 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
7638 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
7639 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
7640 FUNCTION_VALUE_REGNO_P): Likewise.
7641 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
7642 STATIC_CHAIN_REGNUM): Likewise.
7643 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
7644 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
7645 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
7646 * config/m68k/m68k.md (FP_REG): New.
7648 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7650 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
7653 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7655 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
7656 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
7659 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7661 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
7664 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
7667 * c-decl.c (finish_decl): Grab the type of the decl after the call
7668 to store_init_value.
7670 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
7672 * common.opt (fforward-propagate): Fix "Optimization" annotation.
7674 2007-04-14 Jakub Jelinek <jakub@redhat.com>
7677 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
7678 dominators, post dominators and cleanup cfg before returning.
7680 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
7682 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
7683 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
7685 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
7687 * config.gcc: Recognize fido.
7688 * config/m68k/m68k-devices.def (fidoa): New.
7689 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
7691 (FL_FIDOA, TARGET_FIDOA): New.
7692 * config/m68k/m68k.opt (mfidoa): New.
7694 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7697 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
7698 when a personality function is used.
7700 2007-04-13 Bob Wilson <bob.wilson@acm.org>
7702 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
7704 2007-04-13 Mike Stump <mrs@apple.com>
7706 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
7708 * config/darwin.opt (fapple-kext): Make C++ only.
7709 * config/darwin.c (darwin_override_options): Remove code to ensure
7710 -fapple-kext is given for C++ only.
7712 2007-04-13 Richard Sandiford <richard@codesourcery.com>
7714 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
7715 * config/mips/mips.c (override_options): Call
7716 SUBTARGET_OVERRIDE_OPTIONS, if defined.
7718 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7720 * config/i386/i386.opt (msvr3-shlib): Removed.
7722 * doc/invoke.texi: Remove -msvr3-shlib.
7724 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7726 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
7727 with "popcnt" instruction.
7729 2007-04-13 Richard Guenther <rguenther@suse.de>
7731 PR tree-optimization/21258
7732 * tree-vrp.c (compare_case_labels): New helper.
7733 (find_switch_asserts): New function.
7734 (find_assert_locations): Call it for SWITCH_EXPRs.
7736 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
7738 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
7739 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
7740 check is now implied in X87_FLOAT_MODE_P.
7741 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7742 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7743 (fix_trunc<mode>_i386_fisttp): Ditto.
7744 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7745 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7746 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7747 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7748 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7749 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7750 (unnamed_splitters): Ditto.
7751 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
7752 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
7753 FIRST_SSE_REG for local functions when SSE math is enabled or
7754 for functions with sseregparm attribute.
7755 (standard_80387_constant_p): Return -1 if mode is not
7757 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
7758 (ix86_expand_compare): Ditto.
7759 (ix86_expand_carry_flag_compare): Ditto.
7760 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
7761 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
7762 DECIMAL_FLOAT_MODE_P.
7763 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
7764 of SCALAR_FLOAT_MODE_P.
7765 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
7766 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
7767 checks before FLOAT_MODE_P.
7768 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
7769 before FLOAT_MODE_P.
7774 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
7776 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
7777 Charles Wilson <libtool@cwilson.fastmail.fm>
7779 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
7780 (libgcc.mvars): Don't depend on them.
7781 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
7782 * exec-tool.in: New.
7784 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
7786 * doc/invoke.text (--help): Document --help=common.
7788 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
7790 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
7792 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7794 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
7795 * genemit.c (main): Emit #include "integrate.h".
7796 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
7797 (LOADGP_RTP): New mips_loadgp_style.
7798 * config/mips/mips.h: Include config/vxworks-dummy.h.
7799 (TARGET_RTP_PIC): New macro.
7800 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
7801 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
7802 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
7804 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
7805 -mvxworks-pic when using -mrtp and a PIC option.
7806 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
7808 (mips_symbolic_constant_p, mips_symbolic_address_p)
7809 (mips_symbol_insns): Handle SYMBOL_HALF.
7810 (override_options): Warn about -G and -mrtp being used together.
7811 Initialize mips_lo_relocs[SYMBOL_HALF].
7812 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
7813 (mips_emit_loadgp): Handle LOADGP_RTP.
7814 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
7815 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
7816 (tablejump): Handle function-relative case table entries if
7818 * config/mips/predicates.md (symbol_ref_operand): New predicate.
7820 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7822 * config/mips/mips.md (load_call<mode>): Allow any general register.
7824 (sibcall_value_internal, sibcall_value_multiple_internal)
7825 (call_value_internal, call_value_split, call_value_multiple_internal)
7826 (call_value_multiple_split): Remove constraints from operand 0.
7828 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7830 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
7831 rather than loadgp_noshared.
7832 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
7833 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
7835 * config/mips/mips.md (loadgp): Rename to...
7836 (loadgp_newabi): ...this.
7837 (loadgp_noshared): Rename to...
7838 (loadgp_absolute): ...this.
7840 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7842 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
7843 false for locally-binding symbols.
7844 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
7846 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7848 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
7849 (SYMBOL_GOT_PAGE_OFST): ...this.
7850 (SYMBOL_GOT_GLOBAL): Rename to...
7851 (SYMBOL_GOT_DISP): ...this.
7852 (SYMBOL_GOTOFF_GLOBAL): Rename to...
7853 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
7854 * config/mips/mips.c (mips_global_symbol_p): New function.
7855 (mips_symbol_binds_local_p): Likewise.
7856 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
7857 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use
7858 mips_global_symbol_p and mips_symbol_binds_local_p.
7859 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
7860 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
7861 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
7863 (mips_ok_for_lazy_binding_p): New function.
7864 (mips_load_call_address, mips_expand_call): Use it.
7865 (mips_dangerous_for_la25_p): Likewise.
7866 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
7867 (*got_disp<mode>): Use got_disp_operand instead of
7868 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
7869 SYMBOL_GOTOFF_GLOBAL.
7870 (*got_page<mode>): Use got_page_ofst_operand instead of
7872 * config/mips/predicates.md (const_call_insn_operand): Use
7873 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
7874 (global_got_operand): Rename to...
7875 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
7877 (local_got_operand): Rename to...
7878 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
7879 of SYMBOL_GOT_LOCAL.
7881 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7883 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
7884 TARGET_CALL_CLOBBERED_GP.
7885 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7886 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
7887 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
7888 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
7889 of TARGET_ABICALLS && !TARGET_NEWABI.
7890 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7891 * config/mips/mips.c (mips_load_call_address): Check
7892 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7893 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7894 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7895 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
7896 TARGET_ABICALLS && TARGET_NEWABI.
7897 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
7899 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
7900 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
7901 TARGET_ABICALLS && TARGET_NEWABI.
7902 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
7903 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
7904 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
7905 whether indirect calls must use $25.
7906 (mips_extra_live_on_entry): Check TARGET_GOT instead of
7908 * config/mips/mips.md (jal_macro): Check flag_pic and
7909 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
7910 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
7911 instead of TARGET_ABICALLS.
7912 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
7913 TARGET_ABICALLS && TARGET_OLDABI.
7914 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7915 (sibcall): In the comment above the define_insn, mention
7916 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
7917 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
7918 instead of TARGET_ABICALLS.
7920 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
7922 * doc/md.texi (Blackfin family constraints): Document PA and PB.
7923 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
7924 (MACFLAGS_MATCH_P): New macro.
7925 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
7926 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
7927 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
7928 the other MACFLAG constants.
7929 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
7930 (flag_machi): Tighten constraints. Renumber some of the operands.
7931 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
7933 (flag_machi_parts_acconly): New pattern.
7934 (flag_macinithi): Tighten constraints. Allow any accumulator to be
7936 (flag_macinit1hi): Tighten constraints.
7937 (flag_mul_macv2hi_parts_acconly): New pattern.
7939 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
7940 Use a more efficient implementation.
7941 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
7942 inline sequences when not optimizing for size.
7944 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
7945 movhi_high2low): Delete, merge functionality into...
7946 (packv2hi): ... this pattern.
7948 2007-02-11 Jie Zhang <jie.zhang@analog.com>
7949 * config/bfin/bfin.opt (msim): New option.
7950 (mcpu=): New option.
7951 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
7952 (bfin_cpu_t): Typedef of enum bfin_cpu.
7953 (bfin_cpu_type): New declaration.
7954 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
7955 -msim and -mcpu= options.
7956 (LIB_SPEC): Likewise.
7957 * config/bfin/bfin.c (bfin_cpu_type): Define.
7958 (bfin_handle_option): Handle -mcpu= option.
7959 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
7960 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
7961 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
7963 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7965 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
7966 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
7967 (powerpc-wrs-vxworksae): Use ${tm_file}.
7968 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
7969 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
7970 * config/i386/vx-common.h: New file.
7972 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7974 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
7977 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
7979 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
7982 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
7986 * c-common.c (c_build_qualified_type): Set canonical type
7989 2007-04-12 Richard Guenther <rguenther@suse.de>
7991 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
7992 lower bound and element size if lower bound is not zero
7993 or either of the ARRAY_REF operands is set.
7995 2007-04-12 Richard Guenther <rguenther@suse.de>
7997 PR tree-optimization/24689
7998 PR tree-optimization/31307
7999 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
8001 * gimplify.c (canonicalize_addr_expr): To be consistent with
8002 gimplify_compound_lval only set operands two and three of
8003 ARRAY_REFs if they are not gimple_min_invariant. This makes
8004 it never at this place.
8005 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
8007 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8009 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
8010 null before emitting a .nsubspa directive.
8012 2007-04-11 Diego Novillo <dnovillo@redhat.com>
8014 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
8015 need_to_partition_p if there are no memory statements in the
8018 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8020 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
8021 (gcd_of_steps_may_divide_p): New function.
8022 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
8024 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
8026 * reload.c (find_reloads_toplev, find_reloads_address,
8027 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
8028 not a pointer equality test, to decide if we need to call
8029 push_reg_equiv_alt_mem.
8031 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
8033 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
8034 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
8036 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
8038 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8040 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
8041 vector to be positive.
8043 2007-04-11 Diego Novillo <dnovillo@redhat.com>
8047 * doc/invoke.texi: Document --params max-aliased-vops and
8049 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
8050 debug_memory_partitions): Move to tree-flow.h
8051 * params.h (AVG_ALIASED_VOPS): Define.
8052 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
8054 (mp_info_t): Likewise.
8055 (get_mem_sym_stats_for): New.
8056 (set_memory_partition): Move from tree-flow-inline.h.
8057 (mark_non_addressable): Only clear the set of symbols for the
8058 partition if it exists.
8059 (dump_memory_partitions): Move from tree-ssa-operands.c
8060 (debug_memory_partitions): Likewise.
8061 (need_to_partition_p): New.
8062 (dump_mem_ref_stats): New.
8063 (debug_mem_ref_stats): New.
8064 (dump_mem_sym_stats): New.
8065 (debug_mem_sym_stats): New.
8066 (update_mem_sym_stats_from_stmt): New.
8067 (compare_mp_info_entries): New.
8068 (mp_info_cmp): Call it.
8069 (sort_mp_info): Change argument to a list of mem_sym_stats_t
8071 (get_mpt_for): Move from tree-ssa-operands.c.
8072 (find_partition_for): New.
8073 (create_partition_for): Remove.
8074 (estimate_vop_reduction): New.
8075 (update_reference_counts): New.
8076 (build_mp_info): New.
8077 (compute_memory_partitions): Refactor.
8078 Document new heuristic.
8079 Call build_mp_info, update_reference_counts,
8080 find_partition_for and estimate_vop_reduction.
8081 (compute_may_aliases): Populate virtual operands before
8082 calling debugging dumps.
8083 (delete_mem_sym_stats): New.
8084 (delete_mem_ref_stats): New.
8085 (init_mem_ref_stats): New.
8086 (init_alias_info): Call it.
8087 (maybe_create_global_var): Remove alias_info argument.
8088 Get number of call sites and number of pure/const call sites
8089 from gimple_mem_ref_stats().
8090 (dump_alias_info): Call dump_memory_partitions first.
8091 (dump_points_to_info_for): Show how many times a pointer has
8093 * opts.c (decode_options): For -O2 set --param
8094 max-aliased-vops to 500.
8095 For -O3 set --param max-aliased-vops to 1000 and --param
8096 avg-aliased-vops to 3.
8097 * fortran/options.c (gfc_init_options): Remove assignment to
8099 * tree-flow-inline.h (gimple_mem_ref_stats): New.
8100 * tree-dfa.c (dump_variable): Dump memory reference
8102 Dump NO_ALIAS* settings.
8103 (referenced_var_lookup): Tidy.
8104 (mem_sym_stats): New.
8105 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
8106 and ORIG are different SSA names for a memory partition.
8107 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
8108 * tree-flow.h (struct mem_sym_stats_d): Define.
8109 (mem_sym_stats_t): Define.
8110 (struct mem_ref_stats_d): Define.
8111 (struct gimple_df): Add field mem_ref_stats.
8112 (enum noalias_state): Define.
8113 (struct var_ann_d): Add bitfield noalias_state.
8114 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
8115 debug_mem_ref_stats, debug_memory_partitions,
8116 debug_mem_sym_stats): Declare.
8117 * tree-ssa-structalias.c (update_alias_info): Update call
8118 sites, pure/const call sites and asm sites in structure
8119 returned by gimple_mem_ref_stats.
8120 Remove local variable IS_POTENTIAL_DEREF.
8121 Increase NUM_DEREFS if the memory expression is a potential
8123 Call update_mem_sym_stats_from_stmt.
8124 If the memory references memory, call
8125 update_mem_sym_stats_from_stmt for all the direct memory
8126 symbol references found.
8127 (intra_create_variable_infos): Set noalias_state field for
8128 pointer arguments according to the value of
8129 flag_argument_noalias.
8130 * tree-ssa-structalias.h (struct alias_info): Remove fields
8131 num_calls_found and num_pure_const_calls_found.
8132 (update_mem_sym_stats_from_stmt): Declare.
8133 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
8134 Set default value to 100.
8135 (PARAM_AVG_ALIASED_VOPS): Define.
8137 2007-04-11 Richard Guenther <rguenther@suse.de>
8140 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
8141 a * -b + c as c - a * b if we honor sign dependent rounding.
8143 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
8145 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
8147 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
8148 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
8150 (initialize_trampoline): Don't use old-style function definition.
8151 (bfin_secondary_reload): Mark IN_P argument as unused.
8153 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
8155 PR tree-optimization/31343
8156 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
8157 (build_polynomial_chrec): Return a scalar when the evolution is zero.
8158 * testsuite/gcc.dg/vect/pr31343.c: New.
8160 2007-04-10 Eric Christopher <echristo@apple.com>
8162 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
8163 * config/i386/i386.md (*cmpfp0): Use.
8164 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
8165 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
8166 (fix_trunc<mode>_i386_fisttp): Ditto.
8167 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
8168 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
8169 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
8170 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
8171 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
8172 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
8173 (unnamed_splitters): Ditto.
8174 * config/i386/i386.c (output_fix_trunc): Assert that
8175 we're not being passed a TFmode operand.
8177 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
8179 PR tree-optimization/31526
8180 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
8181 n_basic_blocks to find newly added blocks.
8183 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
8185 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
8187 (fix_trunc<mode>si_sse): Ditto.
8188 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
8189 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
8190 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
8191 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
8192 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
8193 expander using SSEMODEF mode macro.
8194 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
8195 expander using SSEMODEF mode macro.
8196 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
8197 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
8198 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
8199 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
8200 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
8201 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
8202 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
8203 Macroize insn using X87MODEF mode macro.
8205 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
8207 * config/i386/sse.md (sse2_pinsrw): Removed.
8208 (sse2_pextrw): Renamed to ...
8209 (*sse2_pextrw): This.
8211 2007-04-09 Jan Hubicka <jh@suse.cz>
8214 * config/i386/sse.md
8215 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
8216 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
8217 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
8218 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
8220 2007-04-09 Jan Hubicka <jh@suse.cz>
8222 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
8223 multiple fields of union.
8225 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
8227 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
8228 (create_preheaders): Check that loops are available.
8229 (fix_loop_structure): Clean up, improve comments.
8230 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
8231 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
8233 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
8234 * predict.c (tree_estimate_probability): Do not call
8235 calculate_dominance_info. Call create_preheaders.
8236 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
8237 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
8239 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
8240 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
8241 * tree-cfg.c (tree_split_edge): Make an assert more precise.
8242 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
8245 2007-04-08 Jan Hubicka <jh@suse.cz>
8247 * tree.h (maybe_fold_offset_to_component_ref): Declare.
8248 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
8249 * fold-const.c (fold_unary): Use it.
8251 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
8253 * varasm.c (assemble_variable): Remove call to
8254 lang_hooks.decls.prepare_assemble_variable.
8255 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
8256 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
8257 * langhooks.h (lang_hooks_for_decls): Remove
8258 prepare_assemble_variable.
8260 2007-04-08 Mike Stump <mrs@apple.com>
8262 * config/i386/i386.c: Use inc/dec on Core2.
8264 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
8266 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
8267 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8268 lhd_tree_inlining_end_inlining): Remove.
8269 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
8270 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
8272 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
8273 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8274 lhd_tree_inlining_end_inlining): Remove prototypes.
8275 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
8276 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8277 LANG_HOOKS_TREE_INLINING_START_INLINING,
8278 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
8280 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
8283 2007-04-08 Anatoly Sokolov <aesok@post.ru>
8286 * config/avr/predicates.md (io_address_operand): Delete predicate.
8287 (low_io_address_operand): Don't use 'mode' argument.
8288 (higth_io_address_operand): Rename ...
8289 (high_io_address_operand): ... to this. Don't use 'mode' argument.
8290 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
8293 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
8295 Revert change removing staticp.
8297 2007-04-07 Anatoly Sokolov <aesok@post.ru>
8300 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
8303 2007-04-07 Bruce Korb <bkorb@gnu.org>
8305 * c.opt: Add -Wformat-contains-nul.
8306 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
8308 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
8309 the NUL byte warning.
8311 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
8313 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
8315 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8317 * tree.c (staticp): No longer use staticp langhook.
8318 * langhooks.c (lhd_staticp): Removed.
8319 * langhooks.h (struct lang_hooks): Remove staticp.
8320 * c-common.c (c_staticp): Remove.
8321 * c-common.h (c_staticp): Ditto.
8322 * langhooks-defs.h (lhd_staticp): Ditto.
8323 (LHD_HOOKS_STATICP): Ditto
8324 * tree.h (gcc_assert_lowered): New macro.
8326 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
8328 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
8329 argument "reliable".
8330 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
8331 Add argument "reliable". Propagate it through calls.
8332 (infer_loop_bounds_from_undefined): Derive number of iterations
8333 estimates from references in blocks that do not dominate loop latch.
8334 (gcov_type_to_double_int): New function.
8335 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
8336 and expected_loop_iterations_unbounded.
8337 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
8338 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
8339 * tree-data-ref.c (estimated_loop_iterations): Export.
8340 (get_references_in_stmt): Fix -- do not return addresses of local
8342 * cfgloop.h (expected_loop_iterations_unbounded,
8343 estimated_loop_iterations): Declare.
8345 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
8347 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
8349 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8351 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8352 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
8353 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
8354 Use output_387_reg_move().
8355 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
8356 expander using X87MODEF12 mode macro.
8357 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
8358 choosing register preferences. Use output_387_reg_move().
8359 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
8360 instead of "x". Use output_387_reg_move().
8361 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
8362 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
8363 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
8364 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
8365 Use output_387_reg_move().
8366 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
8368 (*truncxf?f_i387 splitter): Ditto.
8370 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8372 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8373 LANG_HOOKS_SAFE_FROM_P.
8374 * expr.c (safe_from_p): Remove langhook call.
8375 * langhooks.h (lang_hooks): Remove safe_from_p.
8376 (lhd_safe_from_p): Remove prototype.
8377 * langhooks.c (lhd_safe_from_p): Remove.
8379 2007-04-06 Jan Hubicka <jh@suse.cz>
8381 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
8384 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8386 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
8387 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
8388 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
8389 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
8391 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
8392 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
8394 2007-04-05 Richard Henderson <rth@redhat.com>
8396 * config/alpha/alpha.c (print_operand) [+]: Remove.
8397 (alpha_end_function): Print nop if call at end of function.
8398 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
8399 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
8400 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
8401 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
8402 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
8403 the call pattern. Update peepholes to match.
8405 2007-04-05 Janis Johnson <janis187@us.ibm.com>
8407 * doc/extend.texi (Other Builtins): Add decimal float variants
8409 * builtins.def: Ditto.
8410 * builtins.c (expand_builtin): Ditto.
8412 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
8413 H.J. Lu <hongjiu.lu@intel.com>
8416 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
8417 of V8HImode when calling ix86_binary_operator_ok.
8418 (sse2_pmaddwd): Call ix86_binary_operator_ok.
8419 (sdot_prodv8hi): Operands 1 and 2 must be register.
8421 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8423 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
8424 initialize align to silence bogus warning.
8426 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8429 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
8431 (struct sra_walk_fns): Remove use_all parameter from use.
8432 (sra_hash_tree): Handle BIT_FIELD_REFs.
8433 (sra_elt_hash): Don't hash bitfld blocks.
8434 (sra_elt_eq): Skip them in parent compares as well. Handle
8436 (sra_walk_expr): Don't maintain or pass down use_all_p.
8437 (scan_use): Remove use_all parameter.
8438 (scalarize_use): Likewise. Re-expand assignment to
8439 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
8440 output, and re-scalarize after output. Don't mark anything
8442 (scalarize_ldst): Adjust.
8443 (scalarize_walk_gimple_modify_statement): Likewise.
8444 (build_element_name_1): Handle BIT_FIELD_REFs.
8445 (instantiate_element): Don't warn for any element whose parent
8447 (instantiate_missing_elements_1): Return the sra_elt.
8448 (canon_type_for_field): New.
8449 (try_instantiate_multiple_fields): New.
8450 (instantiate_missing_elemnts): Use them.
8451 (mark_no_warning): Removed.
8452 (generate_one_element_ref): Handle BIT_FIELD_REFs.
8453 (REPLDUP, sra_build_elt_assignment): New.
8454 (generate_copy_inout): Use them.
8455 (generate_element_copy): Likewise. Handle bitfld differences.
8456 (generate_element_zero): Don't recurse for blocks. Use
8457 sra_build_elt_assignment.
8458 (generate_one_element_int): Take elt instead of var. Use
8459 sra_build_elt_assignment.
8460 (generate_element_init_1): Adjust.
8461 (scalarize_use, scalarize_copy): Use REPLDUP.
8462 (scalarize_ldst): Move assert before dereference.
8463 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
8465 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8467 * regmove.c: Fix unused variable warnings due to previous commit.
8469 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8471 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
8472 (regmove_bb_head): Remove.
8473 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
8474 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
8475 problems with fixup_match_1.
8476 Don't initialize/free regmove_bb_head.
8478 (reg_is_remote_constant_p): If an insn is in the same basic block
8479 but not before INSN, consider it remote, too.
8481 2007-04-05 Anatoly Sokolov <aesok@post.ru>
8484 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
8485 DECL_ASSEMBLER_NAME, not the DECL_NAME.
8487 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
8489 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
8490 (CONDITIONAL_REGISTER_USAGE): Likewise.
8492 2007-04-04 Richard Henderson <rth@redhat.com>
8494 * config/alpha/lib1funcs.asm: Remove unused file.
8496 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8499 * opts.c (print_specific_help): Fix --help=<language>
8501 (common_handle_option): Support --help=common.
8503 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8506 * gcc.c (main): Do not run the linker if
8507 print_subprocess_help indicates that it shouldn't be
8510 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8513 * doc/invoke.texi (--help=): Document <languages> value, fix
8514 formatting in tables of values.
8516 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
8518 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
8519 dllimport attribute of virtual methods.
8521 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
8523 * config/score/crti.asm: Change _bss_start to __bss_start.
8524 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
8525 (OUTGOING_REG_PARM_STACK_SPACE) update.
8526 * config/score/score.opt: add options to make backend support
8527 score5, score5u, score7 and score7d.
8528 * config/score/score.md: Likewise.
8529 * config/score/misc.md: Likewise.
8530 * config/score/mac.md: Likewise.
8531 * doc/invoke.texi: Likewise.
8532 * doc/md.texi: update constraints define.
8534 2007-04-03 Richard Henderson <rth@redhat.com>
8536 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
8537 an appropriate type, use the mode instead.
8539 2007-04-03 Richard Sandiford <richard@codesourcery.com>
8541 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
8542 Set the default --with-arch setting to mips2.
8543 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
8544 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
8545 (MULTILIB_OSDIRNAMES): Delete.
8546 (MULTILIB_DIRNAMES): Define.
8547 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
8548 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
8549 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
8550 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
8551 VXWORKS_OS_CPP_BUILTINS.
8552 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
8553 (MIPS_DEBUGGING_INFO): Undefine.
8554 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
8556 2007-04-03 Jakub Jelinek <jakub@redhat.com>
8559 * fold-const.c (native_encode_real): Encode real.c provided longs
8560 as a series of 32-bit native integers.
8561 (native_interpret_real): Interpret buffer as a series of 32-bit
8564 2007-04-03 Richard Guenther <rguenther@suse.de>
8566 * genpreds.c (write_insn_constraint_len): Write function
8567 optimized for CONSTRAINT_LEN implementation.
8568 (write_tm_preds_h): Output insn_constraint_len inline and
8569 use it for CONSTRAINT_LEN.
8570 (write_insn_preds_c): Don't output insn_constraint_len.
8571 * doc/md.texi (define_register_constraint): Document multi-letter
8572 constraints shall have the same length if they start with the same
8575 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8578 * config/i386/i386.md (isinf<mode>2): Expand only when
8579 TARGET_C99_FUNCTIONS is set.
8581 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8583 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
8584 (x86_64-*-linux*): Ditto.
8585 * config/i386/i386.opt (mpc): New option.
8586 * config/i386/i386.c (overrride_options): Handle
8587 ix87_precision_string.
8588 * config/i386/crtprec.c: New file.
8589 * config/i386/t-crtpc: Ditto.
8590 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
8592 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
8593 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8594 crtprec32.o, crtprec64.o and crtprec80.o.
8596 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
8598 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
8600 2007-04-02 Eric Christopher <echristo@apple.com>
8602 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
8603 limitations on darwin.
8605 2007-04-02 Anatoly Sokolov <aesok@post.ru>
8608 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
8610 2007-04-02 Dave Korn <dave.korn@artimi.com>
8612 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
8614 2007-04-02 Dave Korn <dave.korn@artimi.com>
8616 * libgcc2.h (exception_descriptor): Don't forward-declare.
8617 (__get_eh_table_language, __get_eh_table_version): Delete
8618 prototypes of long-dead functions.
8620 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
8622 * ebitmap.h: New file
8623 * ebitmap.c: New file
8624 * Makefile.in (ebitmap.o): New target.
8626 2007-04-01 Jan Hubicka <jh@suse.cz>
8628 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
8629 before very first instruction.
8631 2007-04-01 Jan Hubicka <jh@suse.cz>
8633 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
8634 waring on 64bit hosts.
8635 * bitmap.h: Fix typo in bitmap_head_def.
8637 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
8639 PR rtl-optimization/31391
8640 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
8641 into a DELETED_LABEL note, and the label is in an empty basic
8642 block, update BB_END as well as BB_HEAD.
8644 2007-04-01 Richard Henderson <rth@redhat.com>
8646 PR tree-optimization/31169
8647 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
8648 to varying if the range is outside [0, prec-1].
8650 2007-04-01 Richard Sandiford <richard@codesourcery.com>
8653 * config/mips/mips.md (load_const_gp): New insn.
8654 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
8655 the MIPS16 GP pseudo register if no_new_pseudos.
8656 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
8658 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
8661 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
8663 (call_value): Likewise.
8665 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
8666 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8669 * doc/invoke.texi: (optimization options): Reword description
8670 of -ffast-math. Document its primary purpose.
8672 2007-03-31 Richard Guenther <rguenther@suse.de>
8674 * omp-low.c (splay-tree.h): Include.
8675 (lookup_decl): Replace splay-tree usage by pointer-map.
8676 (maybe_lookup_decl): Likewise.
8677 (new_omp_context): Likewise.
8678 (delete_omp_context): Likewise.
8679 * gimplify.c (splay-tree.h): Include.
8680 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
8682 (remap_ssa_name): Likewise.
8683 (remap_decl): Likewise.
8684 (remap_type_1): Likewise.
8685 (remap_type): Likewise.
8686 (copy_body_r): Likewise.
8687 (expand_call_inline): Likewise.
8688 (clone_body): Likewise.
8689 (copy_tree_r): Likewise.
8690 (remap_save_expr): Likewise.
8691 (unsave_r): Likewise.
8692 (unsave_expr_now): Likewise.
8693 (tree_function_versioning): Likewise.
8694 (build_duplicate_type): Likewise.
8695 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
8696 (struct copy_body_data): Replace splay-tree by pointer-map.
8697 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
8698 not $(SPLAY_TREE_H).
8699 (gimplify.o): Depend on $(SPLAY_TREE_H).
8700 (omp-low.p): Likewise.
8702 2007-03-31 Anatoly Sokolov <aesok@post.ru>
8704 * config/avr/predicates.md (even_register_operand,
8705 odd_register_operand): New predicates.
8706 * config/avr/avr.md (movw peephole2): New.
8707 (movw_r peephole2): New.
8709 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
8711 * tree.h (get_signed_or_unsigned_type): New.
8712 * fold-const.c (operand_equal_for_comparison_p): Use
8713 get_signed_or_unsigned_type instead of
8714 lang_hooks.types.signed_or_unsigned_type.
8715 * expr.c (store_expr): Ditto.
8716 * langhooks.c (get_signed_or_unsigned_type): New.
8717 (lhd_signed_or_unsigned_type): New.
8718 * langhooks.h (lhd_signed_or_unsigned_type): New.
8719 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
8721 2007-03-30 Richard Henderson <rth@redhat.com>
8723 * tree-ssa-loop-ivopts.c: Include target.h.
8724 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
8725 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
8726 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
8727 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
8729 2007-03-30 Richard Henderson <rth@redhat.com>
8730 Kai Tietz <kai.tietz@onevision.com>
8732 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
8734 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
8735 (TARGET_64BIT_MS_ABI): New.
8736 (DBX_REGISTER_NUMBER): Handle 64-bit.
8737 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
8738 (LONG_TYPE_SIZE): Force to 32.
8739 (REG_PARM_STACK_SPACE): New.
8740 (OUTGOING_REG_PARM_STACK_SPACE): New.
8741 (REGPARM_MAX, SSE_REGPARM_MAX): New.
8742 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8743 (STACK_BOUNDARY): Use 128 for 64-bit.
8744 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
8745 Add 64-bit implementation.
8746 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
8748 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
8749 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
8750 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
8751 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
8752 (ix86_handle_cconv_attribute): Don't warn when ignoring if
8753 TARGET_64BIT_MS_ABI.
8754 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
8755 (ix86_pass_by_reference): Likewise.
8756 (ix86_function_value_regno_p): Likewise.
8757 (ix86_build_builtin_va_list): Likewise.
8758 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
8759 (function_arg_advance_ms_64): New.
8760 (function_arg_advance): Call it.
8761 (function_arg_ms_64): New.
8762 (function_arg): Call it.
8763 (function_value_ms_64): New.
8764 (ix86_function_value_1): Call it.
8765 (return_in_memory_ms_64): New.
8766 (ix86_return_in_memory): Call it.
8767 (setup_incoming_varargs_ms_64): New.
8768 (ix86_setup_incoming_varargs): Call it.
8769 (ix86_expand_prologue): Handle 64-bit stack probing.
8770 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
8771 (output_pic_addr_const): Likewise.
8772 (x86_this_parameter): Likewise.
8773 (x86_output_mi_thunk): Likewise.
8774 (x86_function_profiler): Likewise.
8775 (TARGET_STRICT_ARGUMENT_NAMING): New.
8776 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
8777 (TARGET_64BIT_MS_ABI): New.
8778 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
8779 * config/i386/i386.md (allocate_stack_worker): Remove.
8780 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
8781 describe the clobber of eax without a match_scratch.
8782 (allocate_stack_worker_postreload): Remove.
8783 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
8784 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
8785 (allocate_stack_worker_rex64_postreload): Remove.
8786 (allocate_stack): Handle 64-bit.
8787 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
8788 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
8789 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
8790 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
8791 (STANDARD_STARTFILE_PREFIX_1): Likewise.
8792 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
8793 * config.build (x86_64-*-mingw*): New host.
8794 * config.host (x86_64-*-mingw*): New host.
8795 * config.gcc (x86_64-*-mingw*): New target.
8796 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
8798 2007-03-30 Richard Henderson <rth@redhat.com>
8799 Kai Tietz <kai.tietz@onevision.com>
8801 * c-pragma.c (struct def_pragma_macro_value): New.
8802 (struct def_pragma_macro): New.
8803 (pushed_macro_table): New.
8804 (dpm_hash, dpm_eq): New.
8805 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
8806 (init_pragma): Install them.
8807 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8809 2007-03-30 Anatoly Sokolov <aesok@post.ru>
8811 * config/avr/avr.c (avr_override_options): Clear
8812 'flag_delete_null_pointer_checks'.
8814 2007-03-30 Paolo Carlini <pcarlini@suse.de>
8817 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
8818 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
8819 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
8820 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
8821 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
8822 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
8823 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
8825 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
8827 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
8829 * regmove.c: Move all of pass_stack_adjustments from here...
8830 * combine-stack-adj.c: ...to this new file.
8831 * Makefile.in: Add rules for combine-stack-adj.o.
8833 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
8835 PR tree-optimization/31383
8836 * tree-data-ref.c (affine_function_equal_p): Do not require the
8837 vectors to have the same length.
8839 2007-03-30 Jan Hubicka <jh@suse.cz>
8842 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
8843 availablility; add more sanity checking; ask varpool only about
8846 2007-03-29 Richard Henderson <rth@redhat.com>
8848 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
8849 to decide, but __SIZEOF_LONG_LONG__.
8851 2007-03-29 Richard Henderson <rth@redhat.com>
8853 * emutls.c (struct __emutls_array): New.
8854 (emutls_destroy): Use it instead of casting element 0 from void*.
8855 (__emutls_get_address): Likewise.
8857 2007-03-29 Richard Henderson <rth@redhat.com>
8859 * varasm.c (initializer_constant_valid_p): Don't deny
8860 DECL_DLLIMPORT_P on functions.
8862 * config/i386/cygming.h: Remove function declarations.
8863 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
8864 (ASM_OUTPUT_LABELREF): Remove.
8865 (COMMON_ASM_OP): Remove.
8866 (ASM_OUTPUT_COMMON): Remove.
8867 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
8868 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
8869 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8870 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
8871 Rename from TARGET_ENCODE_SECTION_INFO.
8872 * config/i386/netware.h: Likewise.
8873 * config/i386/i386-protos.h: Update.
8874 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
8875 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
8876 (legitimate_constant_p): Reject dllimports.
8877 (dllimport_map, get_dllimport_decl): New.
8878 (legitimize_dllimport_symbol): New.
8879 (legitimize_address, ix86_expand_move): Use it.
8880 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
8881 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
8882 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
8883 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
8884 * config/i386/predicates.md (constant_call_address_operand): Only
8885 accept symbols; reject dllimport_p symbols.
8886 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
8887 i386_pe_maybe_record_exported_symbol.
8888 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
8889 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
8890 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
8891 trust the setting of DECL_DLLIMPORT_P.
8892 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
8893 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
8894 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
8895 tidy the argument scanning loop.
8896 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
8897 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
8898 (i386_pe_strip_name_encoding): Remove.
8899 (i386_pe_binds_local_p): New.
8900 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
8901 (i386_pe_output_labelref): Remove.
8902 (i386_pe_asm_output_aligned_decl_common): New.
8903 (i386_pe_maybe_record_exported_symbol): Rename from
8904 i386_pe_record_exported_symbol; check for dllexported symbols.
8906 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
8908 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
8909 add comment explaining why vsnprintf cannot be used.
8911 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
8913 PR tree-optimization/30666
8914 * tree.c (build_complex_type): When creating type names for DWARF2
8915 debug info, create TYPE_DECLs for TYPE_NAME instead of
8917 (build_common_tree_nodes_2): Use build_complex_type when building
8918 predefined complex types, to preserve canonical types.
8920 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
8922 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
8923 (noce_get_alt_condition): Look at it to determine whether to
8924 reverse the condition or not.
8925 (noce_get_condition): Substitute the truth for lies.
8926 (noce_find_if_block): Set the then_else_reversed field.
8928 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
8930 * config/fr30/fr30.md (movdi): Do not accept immediates as the
8931 destination of this insn.
8932 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
8933 than calling gen_rtx_SET directly. Use r0 to hold the value of
8934 'address + 4' rather than a stack based temporary which can be
8937 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8939 * config/s390/s390.c (s390_secondary_input_reload_class,
8940 s390_secondary_output_reload_class): Functions removed.
8941 (s390_secondary_reload): New function.
8942 (TARGET_SECONDARY_RELOAD): Target macro defined.
8943 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
8944 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
8945 * config/s390/s390.md ("reload_outti", "reload_outdi",
8946 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
8947 "reload_out<mode>"): Expanders removed.
8948 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
8949 "reload<mode>_nonoffmem_out"): Expanders added.
8951 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8953 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
8954 action if SRC->DEST replacement failed anyway.
8956 2007-03-28 Mike Stump <mrs@apple.com>
8958 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
8959 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
8960 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
8962 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8964 * config.gcc: Accept barcelona as a variant of amdfam10.
8965 * config/i386/i386.c (override_options): Likewise.
8966 * doc/invoke.texi: Likewise.
8968 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
8970 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
8971 offsets for BIT_FIELD_REF and COMPONENT_REF.
8973 2007-03-28 Richard Guenther <rguenther@suse.de>
8975 * tree.c (is_global_var): Move ...
8976 * tree-flow-inline.h (is_global_var): ... here.
8977 * tree.h (is_global_var): Remove declaration.
8979 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
8981 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
8983 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
8984 * config/i386/i386.c (ix86_tune_features): Initialize new
8986 * config/i386/predicates.md (promotable_binary_operator): Use
8987 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
8989 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8992 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
8994 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
8996 * config/fr30/fr30.md (movsi_internal): Change destination
8997 constraint from m to V and add m to the end.
8999 2007-03-28 Christian Bruel <christian.bruel@st.com>
9001 * config/sh/sh.md (movsi_i): Fix type attribute.
9003 2007-03-28 Christian Bruel <christian.bruel@st.com>
9005 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
9006 (movsf_ie): Likewise.
9008 2007-03-28 Christian Bruel <christian.bruel@st.com>
9010 * config.gcc: Add sh4-300 to multilib.
9011 * config/sh/t-mlib-sh4-300: New file.
9013 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
9015 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
9016 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
9018 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
9019 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
9020 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
9021 "fixuns_trunctddi2"): Whitespace fix.
9023 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9025 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
9026 the definition of struct sh_args.
9027 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
9028 CALL_COOKIE_INT_REG_GET): Likewise.
9030 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
9032 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
9033 transformations are applied successfully.
9035 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
9037 * tree.c (tree_contains_struct): Permit 512 tree codes.
9038 * tree.h (tree_contains_struct): Ditto.
9039 (MAX_TREE_CODES): Ditto.
9040 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
9041 SPARE member to store remaining padding bits.
9043 2007-03-27 Anatoly Sokolov <aesok@post.ru>
9045 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
9048 2007-03-27 Janis Johnson <janis187@us.ibm.com>
9050 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
9051 * configure: Regenerate.
9053 * configure: Regenerate using the correct version of autoconf.
9055 2007-03-27 Anatoly Sokolov <aesok@post.ru>
9057 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
9059 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
9060 regs to "__SP_L__" and "__SP_H__".
9062 2007-03-27 Richard Guenther <rguenther@suse.de>
9064 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
9065 computations with it with a HOST_WIDE_INT variable.
9067 2007-03-26 Mike Stump <mrs@apple.com>
9069 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
9070 objective-c-header, objective-c++-header and objc++-cpp-output
9072 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
9074 2007-03-26 Richard Henderson <rth@redhat.com>
9077 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
9078 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
9079 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
9080 IX86_BUILTIN_PSRLQ128): New.
9081 (ix86_init_mmx_sse_builtins): Add them.
9082 (ix86_expand_builtin): Expand them.
9083 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
9084 operand 2 be TImode.
9085 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
9086 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
9087 _mm_srli_epi64): Mark __B const.
9088 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
9089 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
9090 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
9091 new two-vector shift builtins.
9093 2007-03-26 Ian Lance Taylor <iant@google.com>
9095 PR tree-optimization/31345
9096 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
9097 [+INF, +INF(OVF)] into VARYING.
9099 2007-03-26 Zack Weinberg <zackw@panix.com>
9101 * gengtype-parse.c: New file.
9102 * gengtype-yacc.y: Delete.
9103 * gengtype-lex.l: Don't include gengtype-yacc.h.
9104 Define YY_DECL and yyterminate appropriately for recursive
9105 descent parser. yylval is now a string out-parameter to yylex.
9106 (HWS, EOID): New shorthand.
9107 (IWORD): Add a couple more types.
9108 (yylex): Add a setup stanza. Remove the complex rules for
9109 detecting GTY'ed types and typedefs; replace with simple
9110 keyword detectors. Adjust everything for the changed
9111 definition of yylval. Ignore all pp-directives, not just #define.
9113 (parse_file): Rename yybegin; do not call yyparse.
9115 * gengtype.c (xasprintf): Export again.
9116 (this_file): New. Use everywhere __FILE__ was being used.
9117 (get_lang_bitmap): Special case types defined in gengtype.c.
9118 (do_typedef, new_structure): Suppress definition of certain types.
9119 (new_structure): Improve diagnostics of duplicate definitions.
9120 Make sure location_s is associated with input.h.
9121 (nreverse_pairs, define_location_structures): New functions.
9122 (main): Improve tagging of kludge types. Remove old kludges
9123 for input.h types; use define_location_structures.
9124 * gengtype.h: Update prototypes. Define token codes here.
9125 * Makefile.in: Remove all references to gengtype-yacc.
9126 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
9128 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
9129 add GTY((skip)) to the field that's only conditionally there.
9130 * doc/install.texi: Document that Bison is no longer required
9131 unless building treelang.
9133 * gengtype.c: Don't include gtyp-gen.h.
9134 (srcdir): Declare here.
9135 (base_files, lang_dir_names): Allocate dynamically.
9136 (gt_files, num_gt_files, num_lang_dirs): New globals.
9137 (measure_input_list, read_input_line, read_input_list)
9138 (set_lang_bitmap): New functions.
9139 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
9140 simplify, relying on read_input_list to set up the bitmaps.
9141 (main): Arguments are no longer unused. Check for correct number
9142 of command line arguments, set srcdir and srcdir_len, then call
9143 read_input_list, before doing anything else. No need to worry
9144 about duplicates in main loop.
9145 * configure.ac: Simplify the calculation of all_gtfiles.
9146 Put language tags in there. Don't set or substitute
9147 all_gtfiles_files_langs or all_gtfiles_files_frags.
9148 * Makefile.in: Revamp the way gengtype is invoked, now that it
9149 takes a file on its command line with a much simpler format.
9150 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
9151 (GTFILES): Remove duplicates and C source files.
9152 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
9153 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
9154 * configure: Regenerate.
9156 * gengtype.h: Remove all type definitions to gengtype.c; leave
9157 only definitions of options_p, type_p, and pair_p as opaque
9158 pointers. Update prototypes.
9159 * gengtype.c: Many type definitions moved here from gengtype.h.
9160 Consolidate type definitions at the top of the file.
9161 (xvasprintf): Delete.
9162 (xasprintf): Make static.
9163 (create_nested_pointer_option): Add 'next' parameter.
9164 (create_field_all, create_field_at): New functions.
9165 (create_field): Now a thin wrapper around create_field_all.
9166 (create_optional_field): Rename create_optional_field_ and add
9167 line argument. Original name is now a macro which supplies
9169 (oprintf): Use vsnprintf directly.
9170 (close_output_files): Use fatal rather than perror/exit.
9171 (note_def_vec, note_def_vec_alloc): Use create_field_at.
9172 (main): Set progname. Don't use exit.
9173 * gengtype-yacc.y (struct_fields): Use create_field_at.
9174 (option, optionseqopt): Delete.
9175 (optionseq): Consolidate productions from option here so we
9176 can use the first argument to create_option.
9178 * gengtype-lex.l: Distinguish unions from structures in the
9179 token type. Don't call find_structure; return the tag as a string.
9180 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
9181 ENT_UNION. Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
9182 string. Reorganize typedef_struct production accordingly.
9183 Use create_nested_ptr_option.
9184 * gengtype.c (create_nested_ptr_option): New function.
9185 * gengtype.h: Declare it.
9187 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
9188 (string_type): Don't declare.
9189 (do_scalar_typedef): Declare.
9190 (create_scalar_type): Update prototype.
9191 * gengtype.c (string_type): Make static.
9192 (scalar_nonchar, scalar_char): New.
9193 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
9194 (resolve_typedef): Use scalar_nonchar for error recovery.
9195 (create_scalar_type): Remove name_len field. Return scalar_char
9196 or scalar_nonchar as appropriate.
9197 (adjust_field_type): Look at scalar_is_char boolean to decide whether
9199 (throughout): Use scalar_nonchar instead of calling
9200 create_scalar_type, whenever possible.
9201 (main): Initialize scalar_char and scalar_nonchar before calling
9203 * gengtype-lex.l: Adjust for removal of second argument to
9204 create_scalar_type. Use yylval.s instead of yylval.t when
9206 * gengtype-yacc.y: Type of SCALAR is string. Call
9207 create_scalar_type from type:SCALAR rule. Adjust for removal of
9208 second argument to create_scalar_type.
9210 * vec.h: Remove all #if IN_GENGTYPE blocks.
9211 Add comment saying that changes may require adjustments to gengtype.
9212 * gengtype.c: Don't include coretypes.h or tm.h.
9213 Add comment to inclusion of errors.h.
9214 (note_def_vec, note_def_vec_alloc): New functions.
9215 * gengtype.h: Declare new functions.
9216 * gengtype-lex.l: Don't include coretypes.h.
9217 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
9219 (update_lineno): Remove unnecessary prototype.
9220 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
9221 (VEC rule): Just return VEC_TOKEN.
9222 * gengtype-yacc.y (VEC_TOKEN): New token type.
9223 (type): Add a production for VEC(a,b).
9224 * Makefile.in: Update dependencies.
9226 * gengtype-lex.l: Remove rules for parsing pointer-to-function
9227 typedefs that use the old PARAMS macro.
9229 * gengtype-lex.l: Remove all rules and states relating to yacc
9231 * gengtype-yacc.y: Similarly.
9232 * gengtype.c (note_yacc_type): Delete function.
9233 * gengtype.h: Update prototypes.
9235 2007-03-26 Joseph Myers <joseph@codesourcery.com>
9237 * tree-pretty-print.c (dump_generic_node): Report precision of
9238 unnamed integer types.
9240 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
9242 * ifcvt.c (noce_try_store_flag_constants): Don't check
9243 no_new_pseudos here.
9244 (noce_try_store_flag_constants): Don't check no_new_pseudos.
9245 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
9246 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
9247 noce_try_sign_mask): Likewise.
9248 (if_convert): Check no_new_pseudos here.
9250 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
9252 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
9253 (noce_get_condition): Handle new then_else_reversed argument.
9254 (noce_init_if_info): Remove, fold into noce_find_if_block.
9255 (noce_process_if_block): Take a struct noce_if_info as the
9256 argument. Don't set up one based on ce_if_info. Update pointer
9257 references accordingly.
9258 (cond_move_process_if_block): Likewise.
9259 (process_if_block): Removed.
9260 (find_if_block): Removed. Move functionality two new functions,
9261 noce_find_if_block and cond_exec_find_if_block.
9262 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
9263 blocks and the symmetric IF-ELSE-JOIN case.
9264 (cond_exec_find_if_block): Also new function mostly based on old
9265 find_if_block and process_if_block.
9266 (find_if_header): Replace find_if_block call with separately
9267 guarded calls to noce_find_if_block and cond_exec_find_if_block.
9268 (find_cond_trap): Update noce_get_condition call.
9269 (dead_or_predicable): Likewise.
9271 2007-03-26 Jakub Jelinek <jakub@redhat.com>
9273 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
9275 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
9276 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
9277 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
9278 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
9279 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
9280 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
9281 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
9282 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
9283 __builtin_ia32_psrad128 builtins.
9285 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
9287 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
9288 * config/i386/constraints.md
9289 (define_constraint "I"): Use IN_RANGE macro.
9290 (define_constraint "J"): Ditto.
9291 (define_constraint "K"): Ditto.
9292 (define_constraint "M"): Ditto.
9293 (define_constraint "N"): Ditto.
9294 (define_constraint "O"): Ditto.
9295 * config/i386/predicates.md
9296 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
9297 (define_predicate "const_0_to_3_operand"): Ditto.
9298 (define_predicate "const_0_to_7_operand"): Ditto.
9299 (define_predicate "const_0_to_15_operand"): Ditto.
9300 (define_predicate "const_0_to_63_operand"): Ditto.
9301 (define_predicate "const_0_to_255_operand"): Ditto.
9302 (define_predicate "const_1_to_31_operand"): Ditto.
9303 (define_predicate "const_2_to_3_operand"): Ditto.
9304 (define_predicate "const_4_to_7_operand"): Ditto.
9306 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9308 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
9309 in SImode for save_world.
9310 * config/rs6000/altivec.md (save_world, restore_world): Convert to
9313 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
9315 PR tree-optimization/30784
9316 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
9319 2007-03-25 Revital Eres <eres@il.ibm.com>
9321 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
9322 Fold movement_possibility function into it.
9324 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9326 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
9327 (load_macho_picbase_{si,di}): Convert to LR hard reg.
9328 (call_indirect_nonlocal_darwin64): Same.
9329 (call_nonlocal_darwin64): Same.
9330 (call_value_indirect_nonlocal_darwin64): Same.
9331 (call_value_nonlocal_darwin64): Same.
9332 (sibcall_nonlocal_darwin64): Same.
9333 (sibcall_value_nonlocal_darwin64): Same.
9334 (sibcall_symbolic_64): Same.
9335 (sibcall_value_symbolic_64): Same.
9336 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
9338 (rs6000_emit_load_toc_table): Same.
9339 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
9340 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
9346 (load_toc_v4_pic_si): Same
9347 (load_toc_v4_PIC_1): Same.
9348 (load_toc_v4_PIC_1b): Same.
9349 (call_indirect_aix{32,64}): Same.
9350 (call_value_indirect_aix{32,64}): Same.
9353 (call_local{32,64}): Same.
9354 (call_value_local{32,64}): Same.
9355 (call_indirect_nonlocal_aix{32,64}): Same.
9356 (call_nonlocal_aix{32,64}): Same.
9357 (call_value_indirect_nonlocal_aix{32,64}): Same.
9358 (call_value_nonlocal_aix{32,64}): Same.
9359 (call_indirect_nonlocal_sysv<mode>): Same.
9360 (call_nonlocal_sysv<mode>): Same.
9361 (call_value_indirect_nonlocal_sysv<mode>): Same.
9362 (call_value_nonlocal_sysv<mode>): Same.
9364 (sibcall_local{32,64}): Same.
9365 (sibcall_value_local{32,64}): Same.
9366 (sibcall_nonlocal_aix{32,64}): Same.
9367 (sibcall_value_nonlocal_aix{32,64}): Same.
9368 (sibcall_nonlocal_sysv<mode>): Same.
9369 (sibcall_value): Same.
9370 (sibcall_value_nonlocal_sysv<mode>): Same.
9372 2007-03-24 Paul Brook <paul@codesourcery.com>
9374 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
9375 * config/arm/linux-eabi.h: Remove legacy syscall hack.
9377 2007-03-24 Richard Henderson <rth@redhat.com>
9379 * config/ia64/constraints.md: New file.
9380 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
9381 satisfies_constraint_?.
9382 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
9383 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
9384 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
9385 ia64_output_mi_thunk): Likewise.
9386 (ia64_const_ok_for_letter_p): Remove.
9387 (ia64_const_double_ok_for_letter_p): Remove.
9388 (ia64_extra_constraint): Remove.
9389 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
9390 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
9391 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
9392 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
9393 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
9394 EXTRA_MEMORY_CONSTRAINT): Remove.
9395 * config/ia64/ia64.md: Include constriants.md. Replace
9396 CONST_OK_FOR_? with satisfies_constraint_?.
9398 2007-03-23 Michael Meissner <michael.meissner@amd.com>
9399 H.J. Lu <hongjiu.lu@intel.com>
9401 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
9403 (name macros): Use DPD_BID_NAME to convert names properly.
9405 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
9406 decimal floating point format.
9407 (init_floating_libfuncs): Change decimal functions so that they
9408 have a "bid_" prefix if the decimal system uses the BID format,
9409 and "dpd_" prefix if the decimal system uses the DPD format.
9410 (init_interclass_conv_libfuncs): Ditto.
9411 (init_intraclass_conv_libfuncs): Ditto.
9413 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9414 using the BID format.
9416 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9417 whether we are using the BID decimal format.
9418 * configure: Regenerate.
9420 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9421 the compiler has decimal floating point enabled. Define
9422 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9425 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9426 using the BID format.
9428 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9429 whether we are using the BID decimal format.
9430 * configure: Regenerate.
9432 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9433 the compiler has decimal floating point enabled. Define
9434 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9437 * doc/install.texi (--enable-decimal-float): Document BID and DPD
9438 options, and that it is enabled for i386/x86_64 systems.
9440 * Makefile.in (enable_decimal_float): New.
9442 (DECNUMINC): Add -I$(DECNUMFMT).
9443 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
9444 to $(DECNUMFMT) from $(DECNUM).
9446 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
9447 Substitute enable_decimal_float.
9448 * configure: Regenerated.
9451 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
9454 * configure.ac: Enable decimal float for x86_64-*-linux*.
9455 * configure: Regenerated.
9458 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
9459 decimal128ClearSign to flip and clear the sign bit in decimal128.
9460 (decimal_real_maxval): Set decimal128SetSign to set the sign
9463 2007-03-23 Ian Lance Taylor <iant@google.com>
9465 * fold-const.c (fold_binary): Correct warning for X - c >= X.
9467 2007-03-23 Ian Lance Taylor <iant@google.com>
9469 * tree-dump.c (dump_files): Correct comment.
9471 2007-03-23 Ian Lance Taylor <iant@google.com>
9473 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
9475 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
9477 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
9478 in cfglayout mode. Don't go into and out of cfglayout mode.
9479 Link the blocks in the order of the constructed traces.
9480 (rest_of_handle_tracer): Adjust call to tracer.
9481 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
9482 Don't go into cfglayout mode.
9483 (rtl_loop_done): Don't go out of cfglayout mode.
9484 * cfglayout.c (relink_block_chain): New function, split out from...
9485 (fixup_reorder_chain): ...here. Remove redundant checking.
9486 (cfg_layout_finalize): Don't clear the header, footer, and aux
9487 fields here, move the code to do so to relink_block_chain. Likewise
9488 for free_original_copy_tables.
9489 * rtl.h (tracer): Update prototype.
9490 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
9491 Assert we are in cfglayout mode. Don't go into and out of cfglayout
9492 mode. Use relink_block_chain to serialize the CFG according to the
9493 new basic block order. Move targetm.cannot_modify_jumps_p check from
9495 (gate_handle_reorder_blocks): ...to here.
9496 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
9498 (gate_duplicate_computed_gotos): ...to here.
9499 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
9500 something always changes when going into and out of cfglayout mode.
9501 Perform an expensive cfg cleanup while going into cfglayout mode.
9502 Always update liveness information on HAVE_conditional_execution
9503 targets. Reserialize the basic blocks and go out of cfglayout mode.
9504 * reg-stack.c: Include cfglayout.h.
9505 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
9506 the call to reorder_basic_blocks.
9507 * basic-block.h (reorder_basic_blocks): Update prototype.
9508 (relink_block_chain): New prototype.
9509 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
9511 2007-03-23 Joseph Myers <joseph@codesourcery.com>
9513 * config/mips/mips.md (type, hazard, *movdi_32bit,
9514 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
9515 *movhi_internal, *movqi_internal, *movsf_hardfloat,
9516 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
9517 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
9518 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
9520 (movcc): Change first xfer to multi.
9521 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
9522 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
9523 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
9524 config/mips/generic.md: Change reservations using "xfer" to use
9526 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
9527 using match_operand.
9528 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
9529 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
9531 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
9533 2007-03-22 Richard Henderson <rth@redhat.com>
9535 * config/i386/i386.c: Remove unnecessary function declarations.
9536 Move targetm definition, and all related macros, to the end of
9537 the file. Resort some functions to put definitions before uses.
9538 (ix86_attribute_table): Make static. Move to end of file.
9539 (ix86_gimplify_va_arg): Make static.
9541 2007-03-22 Richard Henderson <rth@redhat.com>
9543 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
9544 don't increase local_regparm with force_align_arg_pointer check.
9545 (ix86_function_sseregparm): Assert 32-bit.
9546 (type_has_variadic_args_p): New.
9547 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
9548 type_has_variadic_args_p.
9549 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
9550 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
9551 use memset instead. Do maybe_vaarg check first; skip attribute
9552 tests if true; skip attribute tests for 64-bit.
9553 (construct_container): Remove TARGET_DEBUG_ARG.
9554 (function_arg_advance_32, function_arg_advance_64): Split out ...
9555 (function_arg_advance): ... from here.
9556 (function_arg_32, function_arg_64): Split out ...
9557 (function_arg): ... from here.
9558 (ix86_pass_by_reference): Tidy.
9559 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
9560 (function_value_32): New, from parts of ix86_function_value
9561 and ix86_value_regno.
9562 (function_value_64): New, from parts of ix86_function_value
9563 and ix86_libcall_value.
9564 (ix86_function_value_1): New.
9565 (ix86_function_value, ix86_libcall_value): Use it.
9566 (return_in_memory_32, return_in_memory_64): Split out ...
9567 (ix86_return_in_memory): ... from here.
9568 (ix86_struct_value_rtx): Skip for 64-bit.
9569 (ix86_libcall_value, ix86_value_regno): Remove.
9570 (setup_incoming_varargs_64): Split out ...
9571 (ix86_setup_incoming_varargs): ... from here.
9572 (ix86_va_start): Remove TARGET_DEBUG_ARG.
9573 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
9574 * config/i386/i386-protos.h (ix86_function_value): Remove.
9575 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
9577 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9580 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
9581 infinities not supported, otherwise emit warning if -Woverflow. On
9582 underflow, emit warning if -Woverflow.
9583 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
9585 * real.h (real_from_string): Update declaration
9587 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
9588 Richard Henderson <rth@redhat.com>
9590 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
9591 * calls.c (compute_argument_block_size, expand_call,
9592 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
9593 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
9594 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
9595 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
9596 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
9597 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
9598 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
9599 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
9602 2007-03-22 Joseph Myers <joseph@codesourcery.com>
9604 * c-incpath.c (add_sysroot_to_chain): New.
9605 (merge_include_chains): Add sysroot argument. Call
9606 add_sysroot_to_chain if sysrooted.
9607 (register_include_chains): Update call to merge_include_chains.
9608 * doc/cppopts.texi: Document use of '=' in include directory
9611 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
9613 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
9614 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
9615 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
9616 insn pattern using X87MODEF12 mode macro.
9618 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
9620 * regmove.c (regmove_optimize): Use reg_mentioned_p
9621 instead of reg_overlap_mentioned_p for DST.
9623 2007-03-21 Mike Stump <mrs@apple.com>
9625 * c.opt: Fixup for Objective-C/C++.
9627 2007-03-21 Steve Ellcey <sje@cup.hp.com>
9629 * explow.c (convert_memory_address): Fold memory reference when
9630 POINTERS_EXTEND_UNSIGNED < 0
9632 2007-03-21 Richard Henderson <rth@redhat.com>
9635 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
9636 * config/i386/mmintrin.h (__m64): Likewise.
9637 * config/i386/xmmintrin.h (__m128): Likewise.
9639 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9641 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
9642 (VXWORKS_OS_CPP_BUILTINS): Define.
9643 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
9644 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
9646 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9648 * rtl.h (constant_pool_reference_p): Delete.
9649 (find_constant_src): Declare.
9650 * rtlanal.c (find_constant_src): New function.
9651 * simplify-rtx.c (constant_pool_reference_p): Delete.
9652 * config/i386/i386.md: Use find_constant_src instead of
9653 constant_pool_reference_p/avoid_constant_pool_reference pairs.
9655 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9657 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
9658 * c-cppbuiltin.c (c_cpp_builtins): Define them.
9660 2007-03-20 Mark Mitchell <mark@codesourcery.com>
9662 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
9663 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
9664 (arm_elf_asm_constructor): Use it.
9665 (arm_elf_asm_destructor): New function.
9667 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
9669 * jump.c (mark_jump_label): Treat SEQUENCE specially.
9671 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
9673 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
9675 2007-03-19 Andrew Haley <aph@redhat.com>
9677 PR tree-optimization/31264
9678 * tree-vrp.c (register_edge_assert_for_1): Don't look though
9681 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
9683 PR rtl-optimization/30907
9684 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
9685 (fwprop_init): Always call loop_optimizer_initialize.
9686 (fwprop_done): Always call loop_optimizer_finalize.
9687 (fwprop): We always have loop info now.
9688 (gate_fwprop_addr): Remove.
9689 (pass_fwprop_addr): Use gate_fwprop as gate.
9691 PR rtl-optimization/30841
9692 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
9693 df_chain_alloc): Call df_reorganize_refs unconditionally.
9694 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
9695 refs_organized to refs_organized_size.
9696 (df_ref_create_structure): Use refs_organized_size instead of
9697 bitmap_size if refs had been organized, and keep refs_organized_size
9699 * df.h (struct df_ref_info): Change refs_organized to
9700 refs_organized_size.
9701 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
9704 2007-03-19 Mark Mitchell <mark@codesourcery.com>
9706 * except.c (output_function_exception_table): Do not reference the
9707 EH personality routine for functions that do not require an
9710 2007-03-20 Jakub Jelinek <jakub@redhat.com>
9713 * c-typeck.c (convert_for_assignment): Call comptypes for
9714 RECORD_TYPE or UNION_TYPE.
9717 * reload1.c (reload): Do invalid ASM checking after
9718 cleanup_subreg_operands.
9720 2007-03-19 Jeff Law <law@redhat.com>
9722 * tree-cfg.c (find_taken_edge): Tighten conditions for
9723 optimizing computed gotos.
9725 2007-03-19 Michael Matz <matz@suse.de>
9727 * builtins.c (expand_builtin_sync_operation,
9728 expand_builtin_compare_and_swap,
9729 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
9732 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
9733 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
9736 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9738 * doc/tm.texi: Add brackets around the return type of
9739 TARGET_SECONDARY_RELOAD.
9741 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
9742 Richard Guenther <rguenther@suse.de>
9744 PR tree-optimization/31254
9745 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9746 Use handled_component_p () where appropriate. Continue
9747 propagating into the rhs if we propagated into an INDIRECT_REF
9750 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9752 * config/s390/s390.md (op_type attribute): RRR instruction type added.
9753 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
9754 (xde, xdee): Mode attributes adjusted to support DFP modes.
9755 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
9756 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
9757 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
9758 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
9759 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
9760 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9761 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
9763 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
9764 "movsf"): Insn definitions removed.
9765 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
9766 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
9767 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
9769 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
9770 "reload_in<mode>", "reload_out<mode>"): Expander added.
9771 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
9774 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9776 * config/s390/s390.md: Only non-functional changes. Renamed
9777 FPR mode macro to BFP all over the file.
9779 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9781 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
9782 (op_type attribute): RRF instruction type added.
9783 (fT0): New mode attribute.
9784 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9785 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
9786 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
9787 instruction no secondary memory is needed when moving DFmode values
9788 between GPRs and FPRs.
9790 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9792 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
9793 inverted and documentation adjusted.
9794 ("mhard-dfp", "msoft-dfp"): New options.
9795 * config/s390/s390.c (s390_handle_arch_option): New architecture
9797 (override_options): Sanity checks for the new options added.
9798 * config.gcc: New architecture switch: z9-ec.
9799 * config/s390/s390.h (processor_flags): PF_DFP added.
9800 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
9801 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
9802 when the bit is NOT set so remove it from the defaults.
9804 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9806 * genemit.c (main): Print include statement for dfp.h.
9807 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
9810 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9812 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
9814 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
9817 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
9820 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9822 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
9823 attr_length_call, output_call, output_indirect_call): Cleanup
9824 formatting of targetm calls.
9826 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9828 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
9830 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9832 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
9833 reservation, bypass and anti-bypass descriptions for these
9834 instructions. Update move patterns.
9835 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
9838 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
9840 * tree-vect-transform.c (get_initial_def_for_induction): Replace
9841 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
9842 (get_initial_def_for_reduction): Likewise.
9844 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
9846 Fix PR tree-optimization/29922
9847 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
9848 (get_representative): Removed.
9849 (value_dies_in_block_x): Update for rvuse removal.
9850 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
9851 (compute_antic_aux): Handle when PHI nodes appear in
9852 non-single-successors.
9853 (dump_bitmap_of_names): Removed.
9854 (compute_antic_safe): Renamed and removed rvuse calculation.
9855 Calculate only antic safe.
9856 (insert_into_preds_of_block): Remove assert.
9857 (execute_pre): Update for renamed functions.
9858 (defer_or_phi_translate_block): New function.
9860 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9862 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
9863 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
9865 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
9866 Follow spelling conventions.
9868 * tree-data-ref.h: Remove the prototype for analyze_array.
9870 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
9872 PR tree-optimization/31041
9873 * tree-vect-transform.c (get_initial_def_for_induction): Call
9874 force_gimple_operand.
9876 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
9878 * ipa-type-escape.c (look_for_casts) : Revert code to use
9879 handled_component_p due to ada test a-numaux.adb.
9881 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9883 * final.c (final_scan_insn): Alter the condition of a
9884 conditional trap if we have nonstandard CC.
9886 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9888 * configure.ac: Remove excess quoting from asm line 0 test.
9889 * configure: Rebuilt.
9891 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9893 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
9894 * c-common.c (convert_and_check): Move warning logic to...
9895 (warnings_for_convert_and_check): ...here. Define.
9896 * c-common.h (warnings_for_convert_and_check): Declare.
9898 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9900 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
9901 (output_call): Likewise.
9903 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9905 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
9907 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9909 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
9911 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
9913 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
9914 opteron, athlon-64 and athlon-fx processor_alias_table entries.
9916 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
9918 PR tree-optimization/31183
9919 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
9920 Use double_int instead of unsigned int for representing access_strides.
9921 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
9923 2007-03-16 Richard Guenther <rguenther@suse.de>
9925 PR tree-optimization/31146
9926 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
9927 to allow recursion of forward_propagate_addr_expr.
9928 (forward_propagate_addr_into_variable_array_index): Likewise.
9929 (forward_propagate_addr_expr): Likewise.
9930 (tree_ssa_forward_propagate_single_use_vars): Likewise.
9931 (forward_propagate_addr_expr_1): Recurse on simple copies
9932 instead of propagating into them. Do so for useless conversions
9934 (forward_propagate_addr_expr): Clean up unused statements after
9937 2007-03-16 Richard Guenther <rguenther@suse.de>
9939 * builtins.c (expand_builtin_cexpi): Use the right argument
9940 for the expansion via cexp.
9942 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9944 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
9945 * configure: Rebuilt.
9947 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9950 * dwarf2out.c (force_type_die): Adjust comment.
9951 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
9953 2007-03-15 DJ Delorie <dj@redhat.com>
9955 * config/frv/predicates.md (minmax_operator): Don't check operands
9958 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9960 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
9961 Update constant estimates of number of iterations.
9962 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
9963 argument renamed to "realistic".
9964 (compute_estimated_nb_iterations): Removed.
9965 (record_niter_bound): New function.
9966 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
9967 call record_nonwrapping_iv with upper = false.
9968 (infer_loop_bounds_from_signedness): Pass upper argument to
9969 record_nonwrapping_iv.
9970 (estimate_numbers_of_iterations_loop): Do not call
9971 compute_estimated_nb_iterations. Record estimate based on profile
9972 information. Initialize the constant estimates of number of
9974 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
9976 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
9977 number of iterations is too small.
9978 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
9979 (EST_NOT_AVAILABLE): Removed.
9980 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
9981 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
9984 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9986 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
9987 Handle NE_EXPR guards.
9989 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9992 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
9993 Set also -pedantic-errors by default for the preprocessor unless
9994 -fpermissive is given.
9996 2007-03-15 Richard Guenther <rguenther@suse.de>
10000 * builtins.c (expand_builtin_cexpi): As a fallback if we
10001 don't have builtins for sincos or cexp create a function
10002 declaration for cexp and expand to a call to that.
10003 (expand_builtin_int_roundingfn): Always fall
10004 back to floor/ceil and its variants even if they may be
10007 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
10009 PR middle-end/31159
10010 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
10011 jump tables, move the call to delete_dead_jumptables from here...
10012 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
10013 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
10014 don't allow merging of blocks that try_redirect_by_replacing_jump
10015 also does not handle when not optimizing.
10017 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
10018 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10020 * config/i386/i386.md (x86_sahf_1): Correctly handle
10023 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
10026 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
10027 x86_64_general_operand as operand[2] predicate. Remove "iF"
10028 from operand constraints and use "e" constraint instead.
10029 (*subti3_1, *subti3_1 splitter): Ditto.
10030 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
10031 operand[1] predicate.
10033 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
10035 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
10036 arrays, multiply the access strides by the size of the sub-array.
10037 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
10039 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
10041 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
10042 the configured assembler supports the sahf mnemonic.
10043 * configure: Regenerate.
10044 * config.in: Regenerate.
10046 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
10047 emit "sahf" or ".byte\t0x9e" as asm template.
10049 2007-03-14 Michael Meissner <michael.meissner@amd.com>
10052 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
10053 option to replace hard coded TARGET_xxx in md file.
10054 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
10055 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
10056 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
10057 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
10058 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
10059 (X86_TUNE_NOT_VECTORMODE): Ditto.
10060 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
10061 (TUNE_AVOID_VECTOR_DECODE): Ditto.
10062 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
10063 (TUNE_SLOW_IMUL_IMM8): Ditto.
10064 (TUNE_MOVE_M1_VIA_OR): Ditto.
10065 (TUNE_NOT_UNPAIRABLE): Ditto.
10066 (TUNE_NOT_VECTORMODE): Ditto.
10068 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
10071 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
10072 tuning options instead of hard coded TARGET_xxx.
10073 (fix ssemode peephole2's): Ditto.
10074 (imul peephole2's): Ditto.
10076 (movdi_or_rex64): Ditto.
10077 (move peephole2): Ditto.
10078 (not peephole2's): Ditto.
10080 2007-03-14 Dirk Mueller <dmueller@suse.de>
10082 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
10083 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
10084 * c-parser.c (c_parser_if_body): Always add an empty statement in case
10086 * c-parser.c (c_parser_do_statement): Warn about empty body in
10087 do/while statement.
10088 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
10089 * doc/invoke.texi (-Wempty-body): Update documentation.
10091 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10094 * c-common.h (warn_for_div_by_zero): Declare.
10095 * c-common.c (warn_for_div_by_zero): Define.
10096 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
10099 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10101 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
10102 to PREFIX and STANDARD_PREFIX.
10104 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10105 Phil Edwards <phil@codesourcery.com>
10107 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
10108 (__gthread_once_t): Remove busy field for RTPs.
10109 (__GTHREAD_ONCE_INIT): Update accordingly.
10111 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10113 * doc/invoke.texi: Document VxWorks options.
10115 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
10117 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
10119 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
10121 PR tree-optimization/30590
10122 * tree-nrv.c (tree_nrv): Check for the partial update of the
10125 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10127 * flags.h (flag_random_seed): Remove declaration, in favor of...
10128 * toplev.h (get_random_seed, set_random_seed): ... these.
10129 * tree.c (get_file_function_name): Use the former.
10130 * opts.c (common_handle_option): Use the latter.
10133 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
10135 PR middle-end/31127
10136 * cse.c (cse_find_path): Do not bail out if a basic block that
10137 we already visited now becomes part of a path that starts at a
10138 different basic block. Just disallow this, to make sure we
10139 visit each basic block at most once.
10141 2007-03-13 Jan Hubicka <jh@suse.cz>
10143 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
10144 attributes, when profile esitmate is present, calls with very low
10145 frequency are cold.
10147 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10149 PR tree-optimization/30730
10150 PR tree-optimization/26900
10151 * tree-ssa-loop-niter.c: Include gmp.h.
10152 (bounds): New type.
10153 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
10154 split_to_var_and_offset, determine_value_range,
10155 bound_difference_of_offsetted_base, refine_bounds_using_guard,
10156 bound_difference, bounds_add, bounds_negate,
10157 number_of_iterations_ne_max, dump_affine_iv): New functions.
10158 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10159 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
10160 difference of initial and final value of control iv to validate
10162 (number_of_iterations_cond): Add loop parameter. Determine bounds
10163 on the difference of the extremes of the control iv. Add dumps.
10164 (expand_simple_operations): Handle phi nodes.
10165 (simplify_using_initial_conditions): Do not record used conditions.
10166 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
10167 Do not set additional_info.
10168 (implies_nonnegative_p, implies_ge_p): Removed.
10169 (derive_constant_upper_bound): Do not use parameter `additional'.
10170 (record_estimate): Parameter `additional' removed. Parameter
10171 `i_bound' added. Do not call derive_constant_upper_bound.
10172 (record_nonwrapping_iv): Use derive_constant_upper_bound to
10173 bound the number of iterations estimate.
10174 (estimate_numbers_of_iterations_loop): Pass the estimate from
10175 the number of iterations analysis to record_estimate.
10176 * tree.h (multiple_of_p): Declare.
10177 * tree-scalar-evolution.c (expression_expensive_p): Removed.
10178 (scev_const_prop): Do not check expression_expensive_p.
10179 * fold-const.c (multiple_of_p): Exported.
10180 * double-int.c (double_int_mask): Exported.
10181 * double-int.h (double_int_mask): Declare.
10182 * tree-flow.h (struct tree_niter_desc): Removed additional_info
10183 field. Added max field.
10185 2007-03-13 David Taylor <taylor@candd.org>
10188 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
10191 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10194 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
10195 two unamed patterns.
10197 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
10199 * config/i386/i386.opt (mcx16, msahf): New options.
10200 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
10201 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
10203 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
10204 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
10205 Output -mcx16 and -msahf options when corresponding bit is set.
10207 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
10208 and -msahf options.
10210 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10212 * configure.ac: Test for assembler tolerance to # 0 "".
10213 * configure, config.in: Rebuilt.
10214 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
10216 2007-03-13 Geoffrey Keating <geoffk@apple.com>
10218 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
10220 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
10221 (handle_syscall): Handle direct system calls.
10222 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
10224 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10226 * doc/invoke.texi: Fix cpp.info cross-reference.
10227 * doc/passes.texi: Fix gcc.info cross-reference.
10229 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
10231 PR tree-optimization/30835
10232 * lambda-code.c (can_convert_to_perfect_nest): Check whether
10233 bb_for_stmt is not NULL before accessing it.
10235 2007-03-12 Joseph Myers <joseph@codesourcery.com>
10237 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
10240 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10243 * doc/install.texi: Document --enable-stage1-languages
10245 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
10247 * tree-pass.h (pass_into_cfg_layout_mode,
10248 pass_outof_cfg_layout_mode): Declare.
10249 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
10250 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
10251 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
10252 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
10254 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
10256 * c-decl.c (warn_variable_length_array): New function.
10257 Refactored from grokdeclarator to handle warn_vla
10258 and handle unnamed array case.
10259 (grokdeclarator): Refactored VLA warning case.
10260 * c.opt (Wvla): New flag.
10261 * doc/invoke.texi (Wvla): New warning.
10263 2007-03-12 Richard Henderson <rth@redhat.com>
10265 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
10266 (TARGET_SECTION_TYPE_FLAGS): New.
10268 2007-03-12 Richard Henderson <rth@redhat.com>
10270 * config/darwin.c (machopic_reloc_rw_mask): New.
10271 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10272 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
10274 2007-03-12 Mark Mitchell <mark@codesourcery.com>
10276 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
10277 * cppdefault.h (cpp_PREFIX): Document.
10278 (cpp_PREFIX_len): Likewise.
10279 (cpp_EXEC_PREFIX): New variable.
10280 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
10281 * c-incpath.c (add_standard_paths): Correct logic for relocating
10282 paths within prefix.
10284 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
10286 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
10287 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
10289 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
10290 fix_truncdfdi_sse using SSEMODEF mode macro.
10291 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
10292 fix_truncdfsi_sse using SSEMODEF mode macro.
10293 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
10294 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
10296 2007-03-12 Richard Sandiford <richard@codesourcery.com>
10298 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
10299 elfos.h to tm_file.
10301 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
10303 * tree.h : Add multiple_of_p declaration.
10304 * fold-const.c (multiple_of_p): Make multiple_of_p public.
10305 * ipa-type-escape.c (results_of_malloc): Redundant.
10306 (visited_stmts): New. Visited stmt for walk_use_def_chains.
10307 (cast_type): Extended with new members.
10308 (check_cast): Returns cast_type.
10309 (cast): New structure for data of walk_use_def_chains.
10310 (is_malloc_result, is_cast_from_non_pointer_1,
10311 is_cast_from_non_pointer,
10312 is_array_access_through_pointer_and_index): New functions.
10313 (look_for_casts): Returns cast types.
10314 (check_call): Returns void.
10315 (okay_pointer_operation): Use support of pointer plus index,
10316 pointer plus constant and allow all multiplications.
10318 2007-03-11 Richard Guenther <rguenther@suse.de>
10320 PR tree-optimization/31115
10321 * tree-vrp.c (extract_range_from_binary_expr): Make sure
10322 the shift count is positive and non-anti-range for RSHIFT_EXPR.
10323 A shift count of zero is not special as with *_DIV_EXPR.
10324 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
10327 2007-03-11 Ian Lance Taylor <iant@google.com>
10329 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
10330 the *_DIV_EXPR codes correctly with overflow infinities.
10332 2007-03-11 Ira Rosen <irar@il.ibm.com>
10334 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
10335 indicate success/failure of the analysis. Add negation to subtrahend
10336 in case of subtraction. Fail if both operands contain constants.
10337 (create_data_ref): Fail if analyze_offset fails.
10339 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
10341 * config/i386/i386.md (frndintxf2): Rename to ...
10342 (rintxf2): ... this. Remove expander having same name.
10343 (rintsf2, rintdf2): Implement using SSEMODEF macro.
10344 (roundsf2, rounddf2): Ditto.
10345 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
10346 (lround<mode>di2, lround<mode>si2): Ditto.
10348 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
10350 * lower-subreg.c: Include except.h.
10351 (decompose_multiword_subregs): Verify that the only control flow
10352 insns we can split are loads to multi-words pseudos.
10353 Handle breaking such blocks after splitting, instead of calling
10354 find_many_sub_basic_blocks.
10356 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
10357 on the new basic block. Add a lengthy comment explaining why we
10358 thought this was necessary.
10359 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
10361 2007-03-10 Mark Mitchell <mark@codesourcery.com>
10364 * tree.c (walk_type_fields): Recurse into the element type of
10365 ARRAY_TYPEs if there is a pointer set.
10367 2007-03-10 Dirk Mueller <dmueller@suse.de>
10369 * c-common.c (warn_logical_operator): Fix condition.
10371 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
10373 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
10375 * config/darwin.c (machopic_select_section): Remove superfluous
10376 argument in call to categorize_decl_for_section. Remove unused
10379 2007-03-10 Joseph Myers <joseph@codesourcery.com>
10381 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
10383 * configure: Regenerate.
10385 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
10388 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
10389 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
10390 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
10391 Add LABEL_NUSES to emitted label.
10392 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
10393 branch probability value to emitted jump insn.
10394 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
10395 Do not check life information and do not re-arrange input operands
10396 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
10398 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10400 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
10401 the change of decode_asm_operands.
10403 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10405 * mode-switching.c (create_pre_exit): Skip blockage insn.
10407 2007-03-09 Diego Novillo <dnovillo@redhat.com>
10409 * tree-pass.h (TODO_update_smt_usage): Remove.
10411 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
10415 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10417 * pa.c (attr_length_call): Revise condition for long
10418 pc-relative branch.
10419 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
10420 local calls on the SOM target. Don't use "LONG_PIC_PCREL" call
10421 sequence on SOM target.
10423 2007-03-09 Geoffrey Keating <geoffk@apple.com>
10425 * gcc.c: Document %{, in big comment at top.
10426 (input_suffix_matches): Remove special handling for .s and
10428 (input_spec_matches): New.
10429 (handle_braces): Handle %{,.
10430 (validate_switches): ',' indicates a value which is not a switch.
10431 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
10432 to detect assembler input.
10433 * config/i386/sol2.h (CPP_SPEC): Likewise.
10434 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
10435 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
10436 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
10437 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
10438 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
10439 -m64 causes deployment target to default to 10.5.
10440 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10442 2007-03-09 Richard Henderson <rth@redhat.com>
10445 * target.h (targetm.asm.out.reloc_rw_mask): New.
10446 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
10447 (TARGET_ASM_OUT): Use it.
10448 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
10449 * varasm.c (categorize_decl_for_section): Remove shlib argument;
10450 use the new reloc_rw_mask target hook instead.
10451 (default_section_type_flags_1): Merge into...
10452 (default_section_type_flags): ... here.
10453 (decl_readonly_section_1): Merge into...
10454 (decl_readonly_section): ... here.
10455 (default_elf_select_section_1): Merge into...
10456 (default_elf_select_section): ... here.
10457 (default_unique_section_1): Merge into...
10458 (default_unique_section): ... here.
10459 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
10460 (default_select_rtx_section): Use it.
10461 (default_elf_select_rtx_section): Likewise.
10462 * output.h: Update to match.
10463 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
10464 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
10465 (TARGET_ASM_RELOC_RW_MASK): New.
10466 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
10467 to categorize_decl_for_section.
10468 (x86_64_elf_unique_section): Likewise.
10469 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
10470 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
10471 (TARGET_ASM_RELOC_RW_MASK): New.
10472 * config/ia64/ia64.c (ia64_rwreloc_select_section,
10473 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
10474 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
10475 (TARGET_RWRELOC): Remove.
10476 (ia64_section_type_flags): Adjust call to default_section_type_flags.
10477 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10478 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
10479 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
10480 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
10481 (rs6000_xcoff_select_section): Use decl_readonly_section.
10482 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
10483 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10484 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
10485 (TARGET_SECTION_TYPE_FLAGS): Remove.
10486 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
10488 2007-03-09 Roger Sayle <roger@eyesopen.com>
10490 * fold-const.c (fold_comparison): Remove compile-time evaluation of
10491 complex constant equality/inequality comparisons for here.
10492 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
10493 known at compile-time or can be simplified to a scalar comparison.
10494 (fold_relational_const): Move compile-time evaluation of complex
10495 constant equality/inequality comparisons to here.
10497 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10499 PR rtl-optimization/30643
10500 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
10502 (fold_rtx): Recurse, like before 2006-11-03.
10504 2007-03-09 DJ Delorie <dj@redhat.com>
10506 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
10509 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
10511 PR tree-optimization/30375
10512 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
10513 LHS of statements is not the same.
10514 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
10516 2007-03-09 Chao-ying Fu <fu@mips.com>
10518 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
10520 * doc/invoke.texi (-mdspr2): Document new option.
10521 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
10522 New unspec for DSP REV 2.
10523 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
10524 these instructions are extended in DSP REV 2.
10525 (mips-dspr2.md): Include.
10526 * config/mips/mips.opt (mdspr2): New option.
10527 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
10528 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
10529 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
10530 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
10531 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
10532 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
10533 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
10535 (bdesc_map): Add one field of unsupported_target_flags.
10536 (bdesc_arrays): Update entries to have extra fields. Add
10538 (mips_init_builtins): Initialize new function types.
10539 Check unsupported_target_fileds to filter out builtins.
10540 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
10542 (ASM_SPEC): Pass mdspr2 to the assembler.
10543 * config/mips/mips-dspr2.md: New file.
10545 2007-03-09 Sa Liu <saliu@de.ibm.com>
10547 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
10549 2007-03-09 Ian Lance Taylor <iant@google.com>
10551 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
10552 argument) like -Wstrict-overflow=2.
10553 * doc/invoke.texi (Warning Options): Update documentation.
10555 2007-03-09 Dirk Mueller <dmueller@suse.de>
10558 * doc/invoke.texi (-Wlogical-op): Document.
10559 * common.opt (-Wlogical-op): New.
10560 * c-common.h (warn_logical_operator): Declare.
10561 * c-common.c (warn_logical_operator): Define.
10562 * c-typeck.c (parser_build_binary_op): Call
10563 warn_logical_operator.
10565 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10567 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
10568 * final.c (final_scan_insn): Test for non-"" file name.
10570 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
10572 * doc/loop.texi: Document the Omega linear constraints solver.
10573 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
10574 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
10575 omega-hash-table-size, omega-max-keys, and
10576 omega-eliminate-redundant-constraints.
10577 * tree-pass.h (pass_check_data_deps): Declared.
10580 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
10581 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
10582 pass_check_data_deps): New.
10583 * tree-data-ref.c (init_data_ref): Remove declaration.
10584 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
10585 (analyze_array): Renamed init_array_ref, move up initializations.
10586 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
10587 Removed arguments that are set to NULL.
10588 (analyze_indirect_ref): Correct indentation, correct call to
10590 (object_analysis): Call init_array_ref instead of analyze_array.
10591 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
10592 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
10593 of DR_ACCESS_FNS_ADDR.
10594 (init_omega_eq_with_af, omega_extract_distance_vectors,
10595 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
10596 ddr_consistent_p): New.
10597 (compute_affine_dependence): Check consistency of ddrs when
10598 flag_check_data_deps is passed.
10599 (analyze_all_data_dependences): Uncomment.
10600 (tree_check_data_deps): New.
10601 * tree-data-ref.h: Include omega.h.
10602 (DR_ACCESS_FNS_ADDR): Removed.
10603 (data_dependence_relation): Add inner_loop.
10604 (DDR_INNER_LOOP): New.
10605 * common.opt (fcheck-data-deps): New.
10606 * tree-flow.h (tree_check_data_deps): Declare.
10607 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
10608 (OBJS-common): Depend on omega.o.
10610 * passes.c (pass_check_data_deps): Scheduled.
10611 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
10612 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
10613 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
10614 PARAM_VECT_MAX_VERSION_CHECKS,
10615 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
10617 2007-03-09 Richard Guenther <rguenther@suse.de>
10619 PR tree-optimization/30904
10620 PR middle-end/31058
10621 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
10622 the same way as *_DIV_EXPR.
10624 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10626 * recog.c (decode_asm_operands): No mixed declarations and code.
10628 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10630 * rtl.def (ASM_INPUT): Add location.
10631 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
10632 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
10633 (decode_asm_operands): Add loc operand.
10634 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
10635 * stmt.c (expand_asm): Rename to...
10636 (expand_asm_loc): ... this. Add locus argument. Pass it on to
10637 gen_rtx_ASM_INPUT_loc.
10638 (expand_asm_expr): Adjust.
10639 * recog.c (decode_asm_operands): Add loc operand.
10640 (check_asm_operands, extract_insn): Adjust.
10641 * reload1.c (maybe_fix_stack_asms): Likewise.
10642 * final.c (asm_insn_count): Likewise.
10643 (final_scan_insn): Output # line before and after asm.
10645 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
10647 * tree-ssa-structalias.c (variable_info): Remove
10649 (new_var_info): Ditto.
10650 (shared_bitmap_info_t): New structure.
10651 (shared_bitmap_table): New variable.
10652 (shared_bitmap_hash): New function.
10653 (shared_bitmap_eq): Ditto
10654 (shared_bitmap_lookup): Ditto.
10655 (shared_bitmap_add): Ditto.
10656 (merge_smts_into): Change to take bitmap directly.
10657 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
10658 (init_alias_vars): Init shared bitmap hashtable.
10659 (delete_points_to_sets): Delete shared bitmap hashtable.
10660 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
10661 is_aliased removal as a change that was still necessary was
10664 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
10666 * config/i386/i386.h (override_options): Conditionally disable
10667 x86_sahf for 64bit targets only.
10669 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
10672 * c-decl.c (merge_decls): Don't call make_var_volatile.
10673 * varasm.c (make_var_volatile): Remove.
10674 * output.h (make_var_volatile): Remove.
10676 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
10678 PR tree-optimization/31085
10679 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
10681 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10683 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
10684 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
10685 ATTR_CONST_NOTHROW_LIST.
10687 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
10690 2007-03-08 Diego Novillo <dnovillo@redhat.com>
10692 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
10694 2007-03-08 Geoffrey Keating <geoffk@apple.com>
10697 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
10699 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
10700 passed, use shared libgcc.
10702 2007-03-08 Roger Sayle <roger@eyesopen.com>
10704 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
10705 instead of calling build2 with a GIMPLE_MODIFY_STMT.
10706 (honor_protect_cleanup_actions, lower_try_finally_switch):
10708 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
10709 ifc_temp_var): Likewise.
10710 * tree-inline.c (setup_one_parameter): Likewise.
10711 * tree-mudflap.c (mf_decl_cache_locals,
10712 mf_build_check_statement_for): Likewise.
10713 * tree-nested.c (init_tmp_var, save_tmp_var,
10714 finalize_nesting_tree_1): Likewise.
10715 * tree-outof-ssa.c (insert_copy_on_edge,
10716 insert_backedge_copies): Likewise.
10717 * tree-profile.c (tree_gen_edge_profiler,
10718 tree_gen_ic_profiler): Likewise.
10719 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10720 * tree-sra.c (sra_build_assignment): Likewise.
10721 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
10722 * tree-ssa-math-opts.c (insert_reciprocals,
10723 execute_cse_sincos_1): Likewise.
10724 * tree-tailcall.c (adjust_accumulator_values,
10725 adjust_return_value): Likewise.
10726 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
10727 * tree-vect-transform.c (vect_create_data_ref_ptr,
10728 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
10729 vect_create_epilog_for_reduction, vectorizable_reduction,
10730 vectorizable_call, vectorizable_conversion,
10731 vectorizable_assignment, vectorizable_operation,
10732 vectorizable_type_demotion, vect_gen_widened_results_half,
10733 vect_permute_store_chain, vectorizable_store,
10734 vect_setup_realignment, vect_permute_load_chain,
10735 vectorizable_load, vectorizable_condition,
10736 vect_create_cond_for_align_checks): Likewise.
10737 * tree-vrp.c (build_assert_expr_for): Likewise.
10739 2007-03-08 Ian Lance Taylor <iant@google.com>
10741 * tree-vrp.c: Include "intl.h".
10742 (usable_range_p): New static function.
10743 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
10744 overflowed values, juts set *strict_overflow_p.
10745 (compare_values): Only return -2 if one of the operands is not a
10747 (compare_ranges): Call usable_range_p.
10748 (compare_range_with_value): Likewise.
10749 (vrp_evaluate_conditional_warnv): Rename from
10750 vrp_evaluate_conditional. Make static. Change all callers.
10751 (vrp_evaluate_conditional): New function.
10752 (simplify_div_or_mod_using_ranges): Issue warning about reliance
10753 on signed overflow.
10754 (simplify_abs_using_ranges): Likewise.
10755 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
10756 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
10757 within_stmt parameter.
10758 * tree-ssa-propagate.c (fold_predicate_in): Update call to
10759 vrp_evaluate_conditional.
10760 * tree-ssa-threadedge.c
10761 (record_temporary_equivalences_from_stmts_at_dest): Change
10762 simplify parameter to take a second tree parameter.
10763 (simplify_control_stmt_condition): Likewise.
10764 (thread_across_edge): Likewise.
10765 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
10766 (thread_across_edge): Likewise.
10767 * Makefile.in (tree-vrp.o): Depend upon intl.h.
10769 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
10771 * config/i386/i386.h (TARGET_SAHF): New define.
10772 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
10773 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
10774 (x86_sahf): New global variable.
10775 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
10776 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
10777 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
10778 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
10780 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
10781 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
10782 when expanding fcomi/sahf based tests.
10783 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
10784 expanding sahf based alternative. Emit sahf based sequence when
10785 optimizing for code size.
10786 * config/i386/i386.md (x86_sahf_1): Do not disable for
10787 TARGET_64BIT, enable for TARGET_SAHF.
10789 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
10791 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
10792 spurious whitespace from error message.
10794 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
10797 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
10799 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
10801 * c-decl.c (grokdeclarator): Disable warnings for anonymous
10803 * tree-sra.c (instantiate_element): Propagate disabled warnings
10804 from the element itself to the created variable.
10806 2007-03-07 Richard Henderson <rth@redhat.com>
10809 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
10810 silently fix up the stack in the case of a missing register.
10812 2007-03-07 Paul Brook <paul@codesourcery.com>
10814 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
10816 2007-03-07 Joseph Myers <joseph@codesourcery.com>
10818 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
10820 (phase1_vrs): Use them.
10821 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
10822 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
10823 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
10824 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
10825 __gnu_Unwind_Restore_WMMXC if required.
10826 (_Unwind_VRS_Pop): Implement iWMMXt support.
10827 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
10828 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
10829 gnu_Unwind_Save_WMMXC): Define.
10831 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10833 * config/vxworks.h (vxworks_override_options): Declare.
10834 (VXWORKS_OVERRIDE_OPTIONS): Use it.
10835 * config/vxworks.c: Include target.h and toplev.h.
10836 (vxworks_override_options): New function.
10837 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
10839 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
10841 * config/s390/s390.c (override_options): Don't emit an error when
10842 -mstack-size is used without providing -mstack-guard.
10843 (s390_emit_prologue): Choose stack_guard value automatically if not
10844 provided via command line.
10845 * doc/invoke.texi: Adjust description of -mstack-guard and
10848 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10850 * config/i386/i386.c (output_set_got): Add a GOT initialization
10851 sequence for VxWorks PIC.
10852 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
10853 around labels as well as symbols. Use gotoff_operand instead
10854 of local_symbolic_operand.
10855 (legitimize_pic_address): Use gotoff_operand instead of
10856 local_symbolic_operand. Use @GOT accesses for labels as
10858 (ix86_output_addr_diff_elt): Use PC-relative rather than
10859 GP-relative offsets for VxWorks PIC.
10860 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
10861 no_new_pseudos. Check whether the returned register is op0.
10862 * config/i386/i386.md (tablejump): Use PC-relative rather than
10863 GP-relative offsets for VxWorks PIC.
10864 * config/i386/predicates.md (gotoff_operand): New predicate.
10866 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10868 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
10870 * config/vxworks-dummy.h: New file.
10871 * config/i386/i386.h: Include it.
10873 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
10875 * dwarf2out.c (is_inlined_entry_point): New
10876 (add_high_low_attributes): Emit DW_AT_entry_pc along with
10877 DW_AT_ranges if the first subblock is the entry point.
10879 2007-03-06 David Daney <ddaney@avtrex.com>
10881 * doc/install.texi (mips-*-*): Change recommended binutils
10884 2007-03-06 Anatoly Sokolov <aesok@post.ru>
10886 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
10887 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
10889 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10890 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10892 2007-03-06 Jan Hubicka <jh@suse.cz>
10894 * errors.h (warning, error, fatal, internal_error): Mark as cold.
10895 * predict.c (maybe_hot_bb): Cold functions are never hot; hot
10897 (probably_cold_bb_p): Cold functions are cold.
10898 (probably_never_executed_bb_p): Cold functions are cold.
10899 (tree_bb_level_predictions): Predict calls to cold functions as not
10901 (compute_function_frequency): Check hot/cold attributes.
10902 * function.h (function_frequency): Update comments.
10903 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
10904 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
10905 (c_common_att): Add cold and hot.
10907 * doc/extend.texi (hot,cold attributes): Document.
10909 2007-03-06 Andrew Haley <aph@redhat.com>
10911 * function.c (expand_function_end): Move blockage to just after we
10912 emit the label for the naked return from the function.
10914 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10916 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
10919 2007-03-06 Jan Hubicka <jh@suse.cz>
10921 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
10922 loaded for constant large models. Non-large 64bit PIC can do.
10923 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
10924 * cmodel.h: Add LARGE PIC.
10925 * i386.md (UNSPEC_PLTOFF): New.
10926 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
10928 (*call_1_rex64): Disable for large models.
10929 (*call_1_rex64_large): New.
10930 (*call_value_1_rex64): Disable for large models.
10931 (*call_value_1_rex64_large): New.
10932 (set_rip_rex4): New.
10933 (set_got_offset_rex64): New.
10934 * predicates.md (constant_call_address_operand): For large model
10935 constant calls are not possible.
10936 * i386-protos.h (construct_plt_address): Declare.
10937 * i386.c (override_options): Accept large models.
10938 (ix86_expand_prologue): Expand large PIC GOT pointer load.
10939 (legitimate_constant_p): Add new UNSPECs.
10940 (legitimate_pic_operand_p): Likewise.
10941 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
10942 (legitimize_pic_address): Do easy RIP relative way for TLS only for
10944 (output_pic_addr_const): Add PLTOFF.
10945 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
10946 (ix86_expand_move): Legitimize pic address when in PIC mode.
10947 (construct_plt_address): New function.
10948 (ix86_expand_call): Offload the address to register and use GOT
10949 pointer for large model.
10950 * invoke.texi (mcmodel=large): Update documentation.
10952 2007-03-06 Richard Henderson <rth@redhat.com>
10954 * config/i386/i386.c (x86_use_leave, x86_push_memory,
10955 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
10956 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
10957 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
10958 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
10959 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
10960 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
10961 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
10962 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
10963 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10964 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10965 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
10966 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10967 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10968 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
10969 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
10970 x86_schedule, x86_use_bt, x86_pad_returns,
10971 x86_use_xchgb): Merge into ...
10972 (ix86_tune_features): ... here. New array.
10973 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10974 x86_bswap): Merge into ...
10975 (ix86_arch_features): ... here. New array.
10976 (x86_3dnow_a): Remove.
10977 (x86_accumulate_outgoing_args): Make static.
10978 (x86_arch_always_fancy_math_387): Make static.
10979 (ix86_tune_mask, ix86_arch_mask): Move ...
10980 (override_options): ... to local variables here. Apply the
10981 appropriate mask to each element of ix86_arch_features and
10982 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
10983 as were done in the old macros.
10984 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
10985 * config/i386/i386.h (x86_use_leave, x86_push_memory,
10986 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
10987 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
10988 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
10989 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
10990 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
10991 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
10992 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
10993 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
10994 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
10995 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10996 x86_accumulate_outgoing_args, x86_prologue_using_move,
10997 x86_epilogue_using_move, x86_decompose_lea,
10998 x86_arch_always_fancy_math_387, x86_shift1,
10999 x86_sse_partial_reg_dependency, x86_sse_split_regs,
11000 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
11001 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
11002 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
11003 x86_use_incdec, x86_pad_returns, x86_bswap,
11004 x86_partial_flag_reg_stall): Remove.
11005 (enum ix86_tune_indices): New.
11006 (ix86_tune_features): New.
11007 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
11008 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
11009 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
11010 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
11011 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
11012 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
11013 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
11014 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
11015 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
11016 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
11017 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
11018 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
11019 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
11020 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
11021 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
11022 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
11023 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
11024 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
11025 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
11026 TARGET_EXT_80387_CONSTANTS): Use it.
11027 (enum ix86_arch_indices): New.
11028 (ix86_arch_features): New.
11029 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
11030 TARGET_BSWAP): Use it.
11031 (ix86_tune_mask, ix86_arch_mask): Remove.
11033 2007-03-06 Joseph Myers <joseph@codesourcery.com>
11036 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
11037 Define using $${sysroot_headers_suffix}.
11038 * configure: Regenerate.
11039 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
11040 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
11042 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
11043 * gcc.c (print_sysroot_headers_suffix): New.
11044 (option_map): Include --print-sysroot-headers-suffix.
11045 (display_help): Mention -print-sysroot-headers-suffix.
11046 (process_command): Handle -print-sysroot-headers-suffix.
11047 (do_spec_1): Append multilib directory to include-fixed path if
11048 sysroot suffixes in use.
11049 (main): Handle -print-sysroot-headers-suffix.
11050 * Makefile.in (start.encap): Don't depend on xlimits.h
11051 (xlimits.h): Remove.
11052 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
11053 limits.h for each multilib in fixinc_list.
11054 (fixinc_list, s-fixinc_list): New.
11055 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
11056 generate them for each multilib in fixinc_list.
11057 (stmp-fixproto): Use include-fixed. Run fixproto for each
11058 multilib in fixinc_list.
11059 (mostlyclean): Don't remove xlimits.h.
11060 (clean): Remove include-fixed.
11061 (real-install-headers-tar, real-install-headers-cpio,
11062 real-install-headers-cp): Don't copy include, only include-fixed.
11063 (install-mkheaders): Depend on fixinc_list. Don't depend on
11064 xlimits.h. Save limits.h files for each multilib in fixinc_list.
11065 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
11066 SYSTEM_HEADER_DIR setting in mkheaders.conf.
11068 2007-03-06 Jan Hubicka <jh@suse.cz>
11070 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
11073 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11075 * configure.ac: Allow tm_file to contain build-directory files.
11076 * configure: Regenerate.
11077 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
11078 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
11079 * config/m68k/print-sysroot-suffix.sh: New file.
11081 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11083 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
11084 of pic_offset_table_rtx if reload_completed.
11085 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
11086 PIC_OFFSET_TABLE_REGNUM.
11087 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
11089 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
11090 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
11092 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11094 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
11095 functions that call eh_return.
11097 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11099 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
11100 functions that need a constant pool.
11102 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11105 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
11106 (m68k_preferred_reload_class): Likewise.
11107 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
11108 (SECONDARY_RELOAD_CLASS): Define.
11109 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
11110 (LIMIT_RELOAD_CLASS): Delete.
11111 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
11112 registers from storing bytes.
11113 (m68k_secondary_reload_class): New function.
11114 (m68k_preferred_reload_class): Likewise.
11116 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11118 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
11120 (m68k_expand_prologue): Likewise.
11122 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11124 * config/m68k/m68k-protos.h (output_sibcall): Declare.
11125 (mips_expand_epilogue): Add a bool parameter.
11126 (m68k_legitimize_sibcall_address): Declare.
11127 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
11128 (m68k_expand_epilogue): Add a parameter to select between sibling
11129 and normal epilogues. Only generate a return for the latter.
11130 (m68k_ok_for_sibcall_p): New function.
11131 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
11132 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
11133 (sibcall_value, *sibcall_value): Likewise.
11134 (*call, *call_value): Require !SIBLING_CALL_P.
11135 (epilogue): Update call to m68k_expand_epilogue.
11136 (sibcall_epilogue): New pattern.
11137 * config/m68k/predicates.md (const_call_operand): Say that this
11138 predicate applies to sibling calls too.
11139 (sibcall_operand): New predicate.
11141 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11143 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
11144 alternatives as movsi_cf.
11145 (movsf_cf_hard): Add commentary.
11147 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
11148 Richard Sandiford <richard@codesourcery.com>
11150 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
11151 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
11152 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
11153 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
11154 as being live on exit from an interrupt function.
11155 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
11156 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
11157 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
11158 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
11159 (m68k_interrupt_function_p): Globalize.
11160 (m68k_compute_frame_layout): Remove reverse mask code.
11161 (m68k_emit_movem, m68k_set_frame_related): New functions.
11162 (m68k_output_function_prologue): Delete in favor of...
11163 (m68k_expand_prologue): ...this new function.
11164 (m68k_output_function_epilogue): Delete in favor of...
11165 (m68k_expand_epilogue): ...this new function.
11166 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
11168 (print_operand): Handle %?.
11169 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
11170 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
11171 (prologue, epilogue): New patterns.
11172 (return): Turn into a define_expand.
11173 (*return): New pattern, derived from old "return" pattern. Use rte
11174 rather than rts for interrupt functions. Only use rtd if the pop
11176 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
11177 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
11178 (link, *link, unlink, *unlink, load_got): Likewise.
11180 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11184 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
11185 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
11186 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
11187 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
11188 and m68k_matches_u_p.
11189 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
11190 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
11191 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
11192 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
11193 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
11194 (REG_STRICT_P): New macro.
11195 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
11196 PCREL_GENERAL_OPERAND_OK.
11197 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
11198 m68k_legitimate_base_reg_p.
11199 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
11200 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
11201 (PIC_CASE_VECTOR_ADDRESS): Update comment.
11202 * config/m68k/m68k.c (m68k_address): New structure.
11203 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
11204 (m68k_decompose_index, m68k_legitimate_constant_address_p)
11205 (m68k_jump_table_ref_p, m68k_decompose_address)
11206 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
11207 (m68k_matches_u_p): New functions.
11208 (print_operand_address): Rewrite to use m68k_decompose_index.
11210 2007-03-05 David Taylor <dtaylor@emc.com>
11212 * gcc.c: Correct copyright date in --version output.
11214 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11216 * pa.md: In unamed move patterns, disparge copies between general
11217 and floating point registers using '?' modifier. Don't include 'f'
11218 constraint for register preferences in DImode, SImode, HImode and
11219 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
11220 Remove constraints for copies between general and floating registers
11221 in soft-float DFmode pattern.
11222 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
11226 2007-03-05 Mike Stump <mrs@apple.com>
11228 * c-common.c (targetcm): Add.
11229 * c-opts.c (c_common_handle_option): Handle language specific
11231 * opts.c (handle_option): Verify language for target options, if
11233 * opth-gen.awk: Add CL_LANG_ALL.
11234 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
11235 (TARGETCM_INITIALIZER): Add.
11236 * target.h (struct gcc_targetcm): Add.
11238 * targhooks.c (default_handle_c_option): Add.
11239 * targhooks.h (default_handle_c_option): Add.
11240 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
11242 * config/darwin.opt (iframework): Add.
11243 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
11244 * config/darwin-c.c (handle_c_option): Add.
11245 (TARGET_HANDLE_C_OPTION): Add.
11247 * doc/invoke.texi (Darwin Options): Add -iframework.
11249 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11251 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
11254 2007-03-05 Ian Lance Taylor <iant@google.com>
11256 * c.opt (fgnu89-inline): New option.
11257 * c-opts.c (c_common_post_options): Set default value for
11259 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
11260 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
11262 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
11263 (grokdeclarator, start_function): Likewise.
11264 * c-cppbuiltin.c (c_cpp_builtins): Define either
11265 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
11266 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
11267 (C Dialect Options): Document -fgnu89-inline.
11268 * doc/extend.texi (Function Attributes): Explain what the
11269 gnu_inline attribute does.
11270 * doc/cpp.texi (Common Predefined Macros): Document
11271 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
11273 2007-03-05 Ian Lance Taylor <iant@google.com>
11275 PR tree-optimization/31034
11276 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
11277 half-range if the other side is an overflow infinity.
11279 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
11281 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
11282 (bfin*-linux-uclibc*): New configuration.
11283 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
11285 * config/bfin/linux.h: New file.
11286 * config/bfin/libgcc-bfin.ver: New file.
11287 * config/bfin/t-bfin-uclinux: New file.
11288 * config/bfin/t-bfin-linux: New file.
11289 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
11290 (TARGET_OS_CPP_BUILTINS): New macro.
11292 2007-03-05 Richard Guenther <rguenther@suse.de>
11294 * fold-const.c (fold_binary): Remove duplicate folding
11295 of comparison of non-null ADDR_EXPR against null.
11297 2007-03-05 Richard Guenther <rguenther@suse.de>
11298 Dorit Nuzman <dorit@il.ibm.com>
11300 PR tree-optimization/26420
11301 * tree-vectorizer.c (vectorize_loops): Bail out early if there
11302 are no loops in the function. Only print the number of
11303 vectorized loops if it is greater than zero or we are supposed
11304 to print information about unvectorized loops.
11306 2007-03-05 Revital Eres <eres@il.ibm.com>
11308 * gcc.dg/var-expand1.c: New test.
11309 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
11310 when an accumulator is expanded.
11312 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11315 * c-common.c (convert_and_check): Don't give warnings for
11316 conversion if 'expr' already overflowed.
11318 2007-03-04 Roger Sayle <roger@eyesopen.com>
11320 PR middle-end/30744
11321 * fold-const.c (fold_comparison): Enforce type consistency when
11322 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
11324 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
11326 * tree-ssa-address.c (create_mem_ref): Do not put an expression
11327 containing a cast to the base of TARGET_MEM_REF.
11329 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
11331 * tree.c (tree_contains_struct_check_failed): Remove spurious
11332 whitespace from error message.
11334 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
11337 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
11338 instead of precision.
11340 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
11341 Nathan Sidwell <nathan@codesourcery.com>
11343 * emit-rtl.c (find_auto_inc): New.
11344 (try_split): recreate REG_INC notes,
11345 Use regular for loops rather than whiles.
11347 2007-03-03 Andreas Schwab <schwab@suse.de>
11349 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
11350 * configure: Regenerate.
11352 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11354 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
11355 flag_rounding_math, not flag_unsafe_math_optimizations.
11357 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
11359 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
11360 alpha_fold_vector_minmax): Likewise.
11361 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11362 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
11364 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11366 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
11367 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
11368 if the lhs has side-effects.
11369 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
11371 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11373 * config/i386/i386.h (TUNEMASK): Remove define.
11374 (ARCHMASK): Remove define.
11375 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
11376 Use ix86_arch_mask variable instead of ARCHMASK.
11377 * config/i386/i386.c (override_options): Ditto.
11378 (standard_80387_constant_p): Ditto.
11380 2007-03-02 Ian Lance Taylor <iant@google.com>
11382 Used signed infinities in VRP.
11383 * tree-vrp.c (uses_overflow_infinity): New static function.
11384 (supports_overflow_infinity): New static function.
11385 (make_overflow_infinity): New static function.
11386 (negative_overflow_infinity): New static function.
11387 (positive_overflow_infinity): New static function.
11388 (is_negative_overflow_infinity): New static function.
11389 (is_positive_overflow_infinity): New static function.
11390 (is_overflow_infinity): New static function.
11391 (overflow_infinity_range_p): New static function.
11392 (compare_values_warnv): New function split out of compare_values.
11393 (compare_value): Call it.
11394 (set_value_range_to_nonnegative): Add overflow_infinity
11395 parameter. Change caller.
11396 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
11398 (vrp_expr_computes_nonzero): Likewise.
11399 (compare_ranges, compare_range_with_value): Likewise.
11400 (compare_name_with_value, compare_names): Likewise.
11401 (vrp_evaluate_conditional): Likewise.
11402 (set_value_range): Handle infinity
11403 (vrp_operand_equal_p, operand_less_p): Likewise.
11404 (extract_range_from_assert): Likewise.
11405 (vrp_int_const_binop): Likewise.
11406 (extract_range_from_binary_expr): Likewise.
11407 (extract_range_from_unary_expr): Likewise.
11408 (extract_range_from_comparison): Likewise.
11409 (extract_range_from_expr): Likewise.
11410 (dump_value_range): Likewise.
11411 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
11412 (test_for_singularity): Likewise.
11413 (vrp_int_const_binop): Remove inline qualifier.
11414 (adjust_range_with_scev): Add comment.
11415 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11417 2007-03-02 Diego Novillo <dnovillo@redhat.com>
11419 * tree-ssa-structalias.c (could_have_pointers): Tidy.
11420 (get_constraint_for): Likewise.
11421 (do_structure_copy): Likewise.
11422 (find_func_aliases): Fix references to MODIFY_EXPR.
11423 (intra_create_variable_infos): Tidy.
11424 * tree-ssa-operands.c (add_virtual_operand): Add argument
11426 When adding members of alias sets, if IS_CALL_SITE is true and
11427 the symbol is not call-clobbered, skip it.
11428 Adjust all callers.
11430 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11432 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
11433 entry by means of emit_insn_at_entry.
11435 2007-03-02 Richard Henderson <rth@redhat.com>
11437 * expr.h (promoted_input_arg): Remove decl.
11438 * function.c (promoted_input_arg): Merge into ...
11439 * combine.c (setup_incoming_promotions): ... only caller.
11440 Rearrange to avoid double loop.
11442 2007-03-02 Ben Elliston <bje@au.ibm.com>
11443 Peter Bergner <bergner@vnet.ibm.com>
11444 Janis Johnson <janis187@us.ibm.com>
11446 * config/rs6000/dfp.md: New file.
11447 * config/rs6000/rs6000.md: Include dfp.md.
11448 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
11449 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
11450 and TDmode decimal float modes in FP registers.
11451 (num_insns_constant): Likewise.
11452 (rs6000_legitimate_offset_address_p): Likewise.
11453 (rs6000_legitimize_address): Likewise.
11454 (rs6000_legitimize_reload_address): Likewise.
11455 (rs6000_legitimate_address): Likewise.
11456 (rs6000_emit_move): Likewise.
11457 (function_arg_boundary): Likewise.
11458 (function_arg_advance): Likewise.
11459 (rs6000_darwin64_record_arg_recurse): Likewise.
11460 (function_arg): Likewise.
11461 (rs6000_gimplify_va_arg): Likewise.
11462 (rs6000_split_multireg_move): Likewise.
11463 (rs6000_output_function_epilogue): Likewise.
11464 (rs6000_output_function_epilogue): Likewise.
11465 (rs6000_register_move_cost): Likewise.
11466 (rs6000_function_value): Likewise.
11467 (rs6000_libcall_value): Likewise.
11469 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11471 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
11473 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11475 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
11476 Use $MULTIDIR to choose between the kernel and RTP headers,
11477 and use $WIND_BASE and $WIND_USR to locate them.
11479 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11481 * config/i386/i386.c (override_options): Put initialization of
11482 ix86_tune_mask and ix86_arch_mask to the correct place.
11484 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11485 Michael Meissner <michael.meissner@amd.com>
11488 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
11489 (ARCHMASK): Define.
11490 (TARGET_CMOVE): Use ARCHMASK.
11491 (TARGET_CMPXCHG): Ditto.
11492 (TARGET_CMPXCHG8B): Ditto.
11493 (TARGET_XADD): Ditto.
11494 (TARGET_BSWAP): Ditto.
11495 * config/i386/i386.c (ix86_tune_mask): New global variable.
11496 (ix86_arch_mask): Ditto.
11497 (override_options): Initialize ix86_tune_mask and
11498 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
11501 2007-03-02 Ben Elliston <bje@au.ibm.com>
11504 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
11506 2007-03-02 Joseph Myers <joseph@codesourcery.com>
11508 * target.h (init_dwarf_reg_sizes_extra): New target hook.
11509 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
11510 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
11511 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
11513 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
11514 rs6000_init_dwarf_reg_sizes_extra): New.
11515 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
11516 SPE register high parts.
11518 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
11520 * Makefile.in: Add install-pdf target as
11521 copied from automake v1.10 rules.
11522 * configure.ac: Add install-pdf to target list.
11523 * configure: Regenerate.
11525 2007-03-01 Paul Brook <paul@codesourcery.com>
11527 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
11528 modes to LDRD for DImode.
11529 (output_move_double): Fixup out of range ldrd/strd.
11530 (vfp_secondary_reload_class): Rename...
11531 (coproc_secondary_reload_class): ... to this. Add wb argument.
11532 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
11533 coproc_secondary_reload_class for CLASS_IWMMXT.
11534 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
11535 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
11537 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
11539 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
11540 unroll factor by the estimated number of iterations.
11541 (loop_prefetch_arrays): Do not prefetch in loops that iterate less
11542 than prefetch latency.
11544 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
11545 decode_caches_intel, detect_caches_intel): New functions.
11546 (host_detect_local_cpu): Use detect_caches_amd and
11547 detect_caches_intel.
11549 2007-03-01 Richard Henderson <rth@redhat.com>
11551 * expr.c (emit_move_complex_push): Export.
11552 (emit_move_complex_parts): Split out from ...
11553 (emit_move_complex): ... here.
11554 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
11555 * config/i386/i386.md (movcdi): New.
11557 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
11559 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
11560 size of mode1 to check for tieable modes in MMX case.
11562 2007-03-01 Richard Sandiford <richard@codesourcery.com>
11564 * Makefile.in (rtlanal.o): Depend on tree.h.
11565 * rtl.h (offset_within_section_p, split_const): Declare.
11566 * rtlanal.c: Include tree.h.
11567 (offset_within_block_p): New function, taken from
11568 mips_offset_within_object_p.
11569 (split_const): New function, taken from mips_split_const.
11570 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
11572 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
11573 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
11574 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
11575 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11576 (m68k_illegitimate_symbolic_constant_p): New function.
11577 * config/m68k/m68k.md (movsi): Remove misleading predicates.
11578 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
11579 symbolic constant that might be outside the symbol's section,
11580 move the symbol first and then add the offset.
11581 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
11583 * config/mips/mips.c (mips_split_const): Delete.
11584 (mips_offset_within_object_p): Delete.
11585 (mips_symbolic_constant_p): Use offset_within_section_p and
11586 split_const instead of mips_offset_within_object_p and
11588 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
11589 (mips_legitimize_const_move, print_operand_reloc)
11590 (mips_dangerous_for_la25_p): Use split_const instead of
11593 2007-02-28 Eric Christopher <echristo@apple.com>
11595 * Makefile.in (install-include-dir): Don't rm -rf include.
11597 2007-02-28 Richard Guenther <rguenther@suse.de>
11599 PR middle-end/30364
11600 * fold-const.c (fold_binary): Do not associate expressions
11601 with more than one variable for integer types that do not wrap.
11603 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
11605 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
11606 Delete, and replace with...
11607 (fold_builtin_call_array): This. Update callers to use it.
11608 * fold-const.c (fold_build_call_list): Delete, and replace with...
11609 (fold_build_call_array): This.
11610 (fold_build_call_list_initializer): Delete, and replace with...
11611 (fold_build_call_array_initializer): This.
11612 * tree.h: Update declarations to reflect above changes.
11614 * c-typeck.c (build_function_call): Store converted arguments
11615 in a stack-allocated array instead of building a list.
11616 (convert_arguments): Store arguments in the array passed in as an
11617 argument, and return the actual number of arguments.
11618 * c-format.c: (check_function_format): Pass arguments in an
11619 array instead of a list.
11620 * c-common.c (check_function_nonnull): Likewise.
11621 (check_function_sentinel): Likewise.
11622 (check_function_arguments): Likewise.
11623 * c-common.h: Update declarations to reflect above changes.
11625 2007-02-28 Jan Hubicka <jh@suse.cz>
11627 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
11628 PRED_NEGATIVE_RETURN): Update outcomes.
11630 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
11632 * calls.c (emit_library_call_value_1): Handle partial registers
11633 correctly when building up CALL_INSN_FUNCTION_USAGE.
11635 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11637 * pa/predicates.md (move_src_operand): Allow zero for mode.
11638 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
11641 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
11644 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
11645 *movv2df_internal): Enable pattern only for valid operand
11647 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
11648 tie only 128bit modes. For MMX registers, tie only 64bit modes.
11650 2007-02-27 Mike Stump <mrs@apple.com>
11652 * config/darwin-crt3.c: Avoid compilation when compiling for a
11655 2007-02-27 Joseph Myers <joseph@codesourcery.com>
11657 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
11659 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
11660 for fixed headers and limits.h.
11661 (install-include-dir, install-headers-tar, install-headers-cpio,
11662 install-headers-cp, real-install-headers-tar,
11663 real-install-headers-cpio, real-install-headers-cp): Handle
11664 include-fixed as well as include.
11665 (install-mkheaders): Don't install files that go only in include
11667 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
11668 from GCC_INCLUDE_DIR.
11669 * gcc.c (process_command): Remove special -BstageN/ handling.
11670 (do_spec_1): Add include-fixed directories.
11672 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11674 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
11676 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
11678 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
11681 2007-02-27 Mark Mitchell <mark@codesourcery.com>
11683 * c-common.c (get_priority): Add check for
11684 SUPPORTS_INIT_PRIORITY.
11686 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11688 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
11690 * config/bfin/bfin.c: Include "cfglayout.h".
11691 (MAX_LSETUP_DISTANCE): New macro.
11692 (struct loop_info): New members incoming, incoming_src and
11693 incoming_dest. Delete member predecessor.
11694 (length_for_loop): New function.
11695 (bfin_optimize_loop): Handle more different loop structures.
11696 (bfin_discover_loop): Rework detection of predecessor blocks by
11697 examining incoming edges.
11698 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
11700 (bfin_reorder_loops): New function.
11701 (bfin_reorg_loops): Use these three new functions.
11703 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
11704 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
11705 (CONSTRAINT_LEN): Add entry for 'q'.
11706 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
11707 Add 'q' constraints.
11708 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
11709 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
11711 * config/bfin/bfin.md (add_with_carry): New pattern.
11712 (s_or_u, su_optab, su_modifier): New code macros/attrs.
11713 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
11714 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
11715 support unsigned multiplies too. Removed incorrect commutativity from
11716 operand 1 constraint where appropriate.
11717 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
11719 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
11720 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
11722 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
11723 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
11724 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
11725 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
11726 usmulhisi_hh_huh): New patterns.
11728 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
11729 lshifthi3): Fix output template to use half reg for operand 2.
11731 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
11734 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
11736 2007-02-27 Andreas Schwab <schwab@suse.de>
11738 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
11740 2007-02-27 Jan Hubicka <jh@suse.cz>
11742 * predict.c (last_basic_block_p): Remove.
11743 (tree_estimate_probability): Update return heuristic for commonized
11746 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11748 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
11750 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11752 * doc/include/gcc-common.texi (versionsubtitle): New macro.
11753 * doc/cpp.texi: Standardize title page.
11754 * doc/cppinternals.texi: Likewise.
11755 * doc/gcc.texi: Standardize title page, remove version number
11756 from copyright page.
11757 * doc/gccint.texi: Likewise.
11758 * doc/install.texi: Standardize title page, add table of
11761 2007-02-26 Jan Hubicka <jh@suse.cz>
11763 * predict.def: Set outcomes according to more recent results.
11764 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
11765 Remove dead predictors.
11766 * predict.c (return_prediction): Fix pasto.
11768 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11770 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
11771 change; avoid a memory leak when returning early.
11773 2007-02-26 Mark Mitchell <mark@codesourcery.com>
11775 * c-decl.c (static_ctors): Move to c-common.c.
11776 (static_dtors): Likewise.
11777 (finish_function): Use c_record_cdtor_fn.
11778 (build_cdtor): Move to c-common.c.
11779 (c_write_global_declarations): Use c_build_cdtor_fns.
11780 * c-common.h (static_ctors): Declare.
11781 (static_dtors): Likewise.
11782 (c_record_cdtor_fn): Likewise.
11783 (c_build_cdtor_fns): Likewise.
11784 * c-common.c (static_ctors): New variable.
11785 (static_dtors): Likewise.
11786 (c_record_cdtor_fn): New function.
11787 (build_cdtor): Move from c-decl.c
11788 (c_build_cdtor_fns): New function.
11790 * output.h (assemble_addr_to_section): Declare.
11791 (get_cdtor_priority_section): Likewise.
11792 * varasm.c (assemble_addr_to_section): New function.
11793 (get_cdtor_priority_section): Likewise.
11794 (default_named_section_asm_out_destructor): Use them.
11795 (destor_dtor_section_asm_out_destructor): Likewise.
11796 (default_named_section_asm_out_constructor): Likewise.
11797 (default_ctor_section_asm_out_constructor): Likewise.
11798 * config.gcc (*-*-vxworks*): Include vxworks.o.
11799 * config/t-vxworks (vxworks.o): New target.
11800 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
11801 (TARGET_ASM_CONSTRUCTOR): Define.
11802 (TARGET_ASM_DESTRUCTOR): Likewise.
11803 (vxworks_asm_out_constructor): Declare.
11804 (vxworks_asm_out_destructor): Likewise.
11806 * c-common.c (get_priority): Check that we have not just an
11807 INTEGER_CST, but an integer constant with integeral type.
11809 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
11811 PR tree-optimization/30938
11812 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
11813 use &dt[nargs-1] instead of &dt[nargs] in the call to
11814 vect_is_simple_use().
11816 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
11818 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
11819 from register elimination as PRE_MODIFY / POST_MODIFY increments.
11820 Do not attempt to handle MEM inside auto-inc expressions.
11821 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
11822 of a register modified by an auto-inc expression. However, do handle
11823 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
11824 (elimination_effects): Prohibit elimination of a register modified
11825 by an auto-inc expression. Disable register elimination rules whose
11826 target register is modified by an auto-inc expression with variable
11829 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
11831 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
11833 (array_at_struct_end_p): New function.
11834 (idx_infer_loop_bounds): Use it.
11835 (estimate_numbers_of_iterations_loop): Export.
11836 * predict.c (predict_loops): Use estimated_loop_iterations_int.
11837 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
11838 (tree_estimate_probability): Call record_loop_exits.
11839 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
11840 (estimated_loop_iterations, estimated_loop_iterations_int,
11841 estimated_loop_iterations_tree): New functions.
11842 (analyze_siv_subscript_cst_affine,
11843 compute_overlap_steps_for_affine_1_2,
11844 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
11845 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
11846 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
11847 (PRED_LOOP_ITERATIONS_GUESSED): New.
11848 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
11849 * cfgloop.h (estimate_numbers_of_iterations_loop,
11850 estimated_loop_iterations_int): Declare.
11852 2007-02-25 Mark Mitchell <mark@codesourcery.com>
11854 * doc/extend.texi: Document optional priority argument to
11855 constructors and destructors.
11856 * tree.c (init_priority_for_decl): Adjust GTY markers.
11857 (init_ttree): Use priority-info hash functions for
11858 init_priority_for_decl.
11859 (tree_map_eq): Rename to ...
11860 (tree_map_base_eq): ... this.
11861 (tree_map_marked_p): Rename to ...
11862 (tree_map_base_marked_p): ... this.
11863 (tree_map_base_hash): New function.
11864 (decl_init_priority_lookup): Rework.
11865 (decl_fini_priority_lookup): New function.
11866 (decl_priority_info): New function.
11867 (decl_init_priority_insert): Use it.
11868 (decl_fini_priority_insert): Likewise.
11869 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
11871 (decl_restrict_base_insert): Likewise.
11872 (decl_debug_expr_insert): Likewise.
11873 (decl_value_expr_lookup): Likewise.
11874 (decl_value_expr_insert): Likewise.
11875 * tree.h (priority_type): New type.
11876 (decl_init_priority_lookup): Use priority_type.
11877 (decl_fini_priority_lookup): New function.
11878 (decl_init_priority_insert): Use priority_type.
11879 (decl_fini_priority_insert): New function.
11880 (DECL_HAS_INIT_PRIORITY): Tweak comments.
11881 (DECL_INIT_PRIORITY): Likewise.
11882 (SET_DECL_INIT_PRIORITY): Add comment.
11883 (DECL_FINI_PRIORITY): New macro.
11884 (SET_DECL_FINI_PRIORITY): Likewise.
11885 (DEFAULT_INIT_PRIORITY): Document.
11886 (MAX_INIT_PRIORITY): Likewise.
11887 (MAX_RESERVED_INIT_PRIORITY): Likewise.
11888 (tree_map_base): New type.
11889 (tree_map_base_eq): New function.
11890 (tree_map_base_hash): Likewise.
11891 (tree_map_base_marked_p): Likewise.
11892 (tree_map): Inherit from tree_map_base.
11893 (tree_map_eq): Make it a macro.
11894 (tree_map_marked_p): Likewise.
11895 (tree_int_map): Inherit from tree_map_base.
11896 (tree_int_map_eq): Make it a macro.
11897 (tree_int_map_hash): Likewise.
11898 (tree_int_map_marked_p): Likewise.
11899 (tree_priority_map): New type.
11900 (tree_priority_map_eq): New macro.
11901 (tree_priority_map_hash): Likewise.
11902 (tree_priority_map_marked_p): Likewise.
11903 * varasm.c (emults_decl): Adjust for refactoring of tree_map
11905 (emutls_common_1): Likewise.
11906 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
11907 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
11908 of tree_map hierarchy.
11909 * tree-cfg.c (move_stmt_r): Likewise.
11910 (new_label_mapper): Likewise.
11911 * c-tree.h (c_expand_body): Move to ...
11912 * c-common.h (c_expand_body): ... here.
11913 * c-decl.c (c_expand_body): Move to ...
11914 * c-common.c (c_expand_body): ... here.
11915 (c_common_attribute_table): Allow 1 argument for the constructor
11916 and destructor attributes.
11917 (get_priority): New function.
11918 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
11919 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
11921 2007-02-24 Jan Hubicka <jh@suse.cz>
11923 PR middle-end/30509
11924 * tree-inline.c (copy_bb): Produce exact copy of EH info when
11925 copying for inlining.
11927 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11928 Jan Hubicka <jh@suse.cz>
11931 * i386.c (counter_mode): New function.
11932 (expand_set_or_movmem_via_loop): Use it.
11933 (expand_movmem_epilogue): Likewise; fix pasto.
11934 (ix86_expand_movmem): Do emit guard even for constant counts.
11935 (ix86_expand_setmem): Likewise.
11937 2007-02-25 Nick Clifton <nickc@redhat.com>
11939 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
11940 (JUMP_TABLES_IN_TEXT_SECTION): Define.
11942 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11945 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
11946 count argument with 0x10, not with 0x16.
11947 (expand_setmem_epilogue): Ditto.
11949 2007-02-24 Mike Stump <mrs@apple.com>
11951 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
11954 2007-02-24 Richard Guenther <rguenther@suse.de>
11956 PR middle-end/30951
11957 * fold-const.c (fold_binary): Fold x +- CST op x for
11958 EQ_EXPR and NE_EXPR.
11960 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11962 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
11964 2007-02-24 Jan Hubicka <jh@suse.cz>
11966 * cgraphunit.c (decide_is_function_needed): Honor
11967 -fkeep-inline-functions.
11969 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11971 * builtins.c (fold_builtin_modf): New.
11972 (fold_builtin_2): Use it.
11974 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
11976 * loop-iv.c (implies_p): Detect additional cases where A implies B.
11977 (determine_max_iter): Take additional LOOP arg; all callers changed.
11978 Lose broken logic dealing with PLUS. Try to limit the upper bound by
11979 one using simplifications.
11980 (simplify_using_initial_values): Return if the expression becomes
11981 invalid due to altered regs.
11983 2007-02-23 DJ Delorie <dj@redhat.com>
11985 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
11987 2007-02-23 Mike Stump <mrs@apple.com>
11989 * tlink.c (scan_linker_output): Parse linker messages from
11990 darwin9's linker better.
11992 2007-02-23 Steve Ellcey <sje@cup.hp.com>
11995 * varpool.c (varpool_assemble_pending_decls): Set
11996 varpool_last_needed_node to null.
11998 2007-02-23 DJ Delorie <dj@redhat.com>
12000 * config/i386/i386.c (ix86_data_alignment): Don't specify an
12001 alignment bigger than the object file can handle.
12003 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
12006 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
12007 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
12008 (*movsf_1): Penalize MMX moves.
12010 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
12012 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
12013 2^32-1 or more times unless flag_unsafe_loop_optimizations.
12015 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
12017 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12019 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
12020 (fold_builtin_1): Use them.
12021 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
12022 BUILT_IN_SIGNIFICAND.
12024 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
12026 * config/i386/i386.c (bdesc_1arg): Initialize
12027 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
12028 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
12029 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
12030 and IX86_BUILTIN_MOVSLDUP.
12032 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
12034 PR rtl-optimization/30841
12035 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
12037 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12039 * builtins.c (fold_builtin_frexp): New.
12040 (fold_builtin_2): Use it.
12042 2007-02-22 Mark Mitchell <mark@codesourcery.com>
12044 * doc/invoke.texi (Spec Files): Document getenv spec function.
12046 * gcc.c (getenv_spec_function): New function.
12047 (static_spec_functions): Add it.
12048 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
12049 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
12052 2007-02-22 Michael Matz <matz@suse.de
12055 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
12056 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
12058 2007-02-22 Ian Lance Taylor <iant@google.com>
12061 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
12062 (mem_loc_descriptor): Call it.
12064 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
12065 Ira Rosen <irar@il.ibm.com>
12067 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
12069 2007-02-22 Ira Rosen <irar@il.ibm.com>
12071 PR tree-optimization/30843
12072 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
12073 stores only after all the group is vectorized.
12075 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
12077 PR tree-optimization/30858
12078 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
12079 in the reduction cycle have a single use in the loop.
12080 * tree-vectorizer.h (relevant): Add documentation.
12082 2007-02-20 Mike Stump <mrs@apple.com>
12084 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
12085 * configure: Regenerate.
12087 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
12089 Change the defaults of some parameters and options.
12090 * config/spu/spu-protos.h (spu_optimization_options): Declare.
12091 * config/spu/spu.c (spu_optimization_options): Add.
12092 (spu_override_options): Change params in spu_optimization_options.
12093 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
12095 Register 127 is only 16 byte aligned when used as a frame pointer.
12096 * config/spu/spu-protos.h (spu_init_expanders): Declare.
12097 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
12098 HARD_FRAME_POINTER_REGNUM.
12099 (spu_legitimate_address): Use regno_aligned_for_reload.
12100 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
12101 aligned when frame_pointer_needed is true.
12102 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
12104 * config/spu/spu.h (INIT_EXPANDERS): Define.
12106 Make sure shift and rotate instructions have valid immediate operands.
12107 * config/spu/predicates.md (spu_shift_operand): Remove.
12108 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
12109 * config/spu/constraints.md (W, O): Extend range.
12110 * config/spu/spu.md (umask, nmask): Define.
12111 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
12112 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
12113 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
12114 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
12115 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
12116 (lshr<mode>3_reg): Fix rtl description.
12118 Make sure mulhisi immediate operands are valid.
12119 * config/spu/predicates.md (imm_K_operand): Add.
12120 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
12122 Generate constants using fsmbi and andi.
12123 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
12124 (print_operand, spu_split_immediate, classify_immediate,
12125 fsmbi_const_p): Handle IC_FSMBI2.
12127 Correctly handle a CONST_VECTOR containing symbols.
12128 * config/spu/spu.c (print_operand): Handle HIGH correctly.
12129 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
12130 (immediate_load_p): Allow symbols that use 2 instructions to create.
12131 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
12132 with symbols when flag_pic is set.
12133 (const_vector_immediate_p): New.
12134 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
12135 accept a CONST_VECTOR with symbols.
12136 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
12137 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
12139 * config/spu/spu.md (high, low): Delete.
12140 (low_<mode>): Define.
12142 Remove INTRmode and INTR_REGNUM, which didn't work.
12143 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
12145 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
12146 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
12147 peephole2 pattern): Don't use INTR or 131.
12148 (movintrcc): Delete.
12149 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
12150 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
12151 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
12152 (UNSPEC_SET_INTR): Add.
12153 * config/spu/spu-modes.def (INTR): Remove.
12155 More accurate warnings about run-time relocations.
12156 * config/spu/spu.c (reloc_diagnostic): Test in_section.
12158 Correctly warn about immediate arguments to specific intrinsics.
12159 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
12160 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
12161 the instruction predicate.
12163 Fix tree check errors with latest update.
12164 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
12166 (spu_expand_builtin): Use CALL_EXPR_FN.
12168 Add missing specific intrinsics.
12169 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
12171 * config/spu/spu_internals.h: Ditto.
12173 Fix incorrect operand modifiers.
12174 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
12175 * config/spu/spu.md (xor<mode>3): Change %S to %J.
12177 Optimize one case of zero_extend of a vec_select.
12178 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
12180 Accept any immediate for hbr.
12181 * config/spu/spu.md (hbr): Change s constraints to i.
12183 2007-02-21 Paul Brook <paul@codesourcery.com>
12185 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
12186 condexec_count when skipping USE and CLOBBER.
12188 2007-02-21 Nick Clifton <nickc@redhat.com>
12190 * common.opt (Warray-bounds): Add Warning attribute.
12191 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
12193 (fsized-zeroes): Add Optimization attribute.
12194 (fsplit-wide-types, ftree-scev-cprop): Likewise.
12195 * c.opt (Wc++0x-compat): Add Warning attribute.
12197 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
12199 PR middle-end/30761
12200 * reload1.c (eliminate_regs_in_insn): In the single_set special
12201 case, attempt to re-recognize the insn before falling back to
12202 having reload fix it up.
12204 2007-02-20 Eric Christopher <echristo@gmail.com>
12206 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
12207 Rewrite accordingly.
12208 (frv_read_iacc_argument): Ditto.
12209 (frv_expand_set_builtin): Take a call instead of arglist, update for
12211 (frv_expand_unop_builtin): Ditto.
12212 (frv_expand_binop_builtin): Ditto.
12213 (frv_expand_cut_builtin): Ditto.
12214 (frv_expand_binopimm_builtin): Ditto.
12215 (frv_expand_voidbinop_builtin): Ditto.
12216 (frv_expand_int_void2arg): Ditto.
12217 (frv_expand_prefetches): Ditto.
12218 (frv_expand_voidtriop_builtin): Ditto.
12219 (frv_expand_voidaccop_builtin): Ditto.
12220 (frv_expand_load_builtin): Ditto.
12221 (frv_expand_store_builtin): Ditto.
12222 (frv_expand_mdpackh_builtin): Ditto.
12223 (frv_expand_mclracc_builtin): Ditto.
12224 (frv_expand_mrdacc_builtin): Ditto.
12225 (frv_expand_mwtacc_builtin): Ditto.
12226 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
12229 2007-02-20 Janis Johnson <janis187@us.ibm.com>
12231 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
12232 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
12234 (HAVE_GAS_DFP): Check for assembler support of decimal floating
12235 point instructions.
12236 * configure: Regenerate.
12237 * config.in: Regenerate.
12238 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
12239 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
12240 masks to power6 and power6x and to POWERPC_MASKS.
12241 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12243 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
12244 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
12245 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
12246 Access PROTOTYPE as variable, not mask.
12248 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12250 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
12251 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
12252 * combine.c (adjust_for_new_dest): Use it.
12253 * postreload.c (reload_combine): Likewise.
12255 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12257 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
12258 notes on an insn with multiple sets, even if single_set returns
12259 non-NULL for that insn.
12261 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12263 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
12264 scalbn and scalbln.
12266 2007-02-20 Geoffrey Keating <geoffk@apple.com>
12268 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
12269 if user didn't pass it.
12270 * config/i386/darwin.h (CC1_SPEC): Likewise.
12271 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
12272 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
12273 -mmacosx-version-min.
12275 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12276 Uros Bizjak <ubizjak@gmail.com>
12278 * optabs.h (enum optab_index): Add new OTI_scalb.
12279 (scalb_optab): Define corresponding macro.
12280 * optabs.c (init_optabs): Initialize scalb_optab.
12281 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
12283 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
12284 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
12285 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12286 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
12287 flag_unsafe_math_optimizations is set.
12289 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
12290 to implement scalbf, scalb and scalbl built-ins as inline x87
12293 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12294 DJ Delorie <dj@redhat.com>
12297 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
12298 (diagnostic_report_diagnostic): ... here, and turn them into real
12299 errors. If warnings are inhibited, no need to do anything.
12301 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
12303 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
12304 better code generation.
12306 2007-02-20 Ben Elliston <bje@au.ibm.com>
12308 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
12310 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
12312 * config/alpha/alpha.c, config/alpha/alpha.md,
12313 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
12314 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
12315 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
12316 config/arm/lib1funcs.asm: Follow spelling conventions.
12318 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
12319 config/fr30/fr30.md, config/i386/i386.h,
12320 config/iq2000/iq2000.h, config/iq2000/predicates.md,
12321 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
12322 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
12323 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
12324 config/rs6000/altivec.md, config/rs6000/rs6000.c,
12325 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
12326 config/sparc/sparc.c, config/sparc/sparc.h,
12327 config/sparc/sparc.md, config/spu/constraints.md,
12328 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
12331 2007-02-20 Alan Modra <amodra@bigpond.net.au>
12334 * varasm.c (use_blocks_for_decl_p): Return false for decls with
12337 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12339 * doc/invoke.texi (-ftree-lrs): Remove.
12341 2007-02-19 Diego Novillo <dnovillo@redhat.com>
12343 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
12346 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
12348 * config/ia64/ia64.c (ia64_expand_builtin): Use the
12349 new CALL_EXPR_FN macro for retrieving the function
12350 declaration of the input expression.
12352 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12354 * c.opt (Waddress): New.
12355 * common.opt (Walways-true): Delete.
12356 (Wstring-literal-comparison): Delete.
12357 * doc/invoke.texi (Warning Options): Delete -Walways-true and
12358 -Wstring-literal-comparison. Add -Waddress.
12360 (Walways-true): Delete.
12361 (Wstring-literal-comparison): Delete.
12362 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12363 consistently instead of -Walways-true in example.
12364 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
12365 * c-typeck.c (parser_build_binary_op): Replace
12366 -Wstring-literal-comparison and -Walways-true with -Waddress.
12367 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
12370 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12372 * tree-cfg.c (dump_function_to_file): Be prepared for functions
12373 without DECL_STRUCT_FUNCTION initialized.
12375 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12377 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
12378 due to calls to functions taking pointers as parameters.
12380 2007-02-19 Richard Henderson <rth@redhat.com>
12383 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
12386 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
12388 * config/s390/s390.c (s390_call_saved_register_used,
12389 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
12390 accessed to the new scheme.
12392 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12394 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
12395 (cris_print_index, cris_print_operand, cris_print_operand_address)
12396 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
12397 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
12398 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
12399 GET_CODE () == xxx.
12400 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
12401 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
12402 GO_IF_LEGITIMATE_ADDRESS): Ditto.
12403 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
12404 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
12405 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
12406 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
12407 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
12408 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
12409 (uminsi3, call, call_value): Ditto.
12410 (define_split: indir_to_reg_split, unnamed): Ditto.
12412 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
12414 PR tree-optimization/30975
12415 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
12418 2007-02-18 Eric Christopher <echristo@gmail.com>
12420 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
12421 Remove use of arglist.
12422 (mips_expand_builtin): Remove use of arglist, pass in expr.
12423 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
12424 (mips_expand_builtin_movtf): Ditto.
12425 (mips_expand_builtin_compare): Ditto.
12427 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12429 * tree-sra.c (sra_build_assignment): Replace assertion
12430 checking with a comment explaining why it can't be done.
12432 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12434 PR middle-end/30833
12435 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
12436 during CALL_EXPR representation conversion.
12437 * tree-ssa-propagate.c (set_rhs): Likewise.
12439 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12441 * tree-sra.c (sra_build_assignment): Disable assertion checking
12444 2007-02-18 Roger Sayle <roger@eyesopen.com>
12446 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
12447 instead of calling build2 with a GIMPLE_MODIFY_STMT.
12448 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
12450 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
12451 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
12452 gimplify_init_ctor_eval_range, gimple_push_cleanup,
12453 gimplify_omp_for, gimplify_omp_atomic_pipeline,
12454 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
12455 force_gimple_operand): Likewise.
12456 * ipa-cp.c (constant_val_insert): Likewise.
12457 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12458 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
12459 perfect_nestify): Likewise.
12460 * langhooks.c (lhd_omp_assignment): Likewise.
12461 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
12462 lower_copyprivate_clauses, lower_send_clauses,
12463 lower_send_shared_vars, expand_parallel_call,
12464 expand_omp_for_generic, expand_omp_for_static_nochunk,
12465 expand_omp_for_static_chunk, expand_omp_sections,
12466 lower_omp_single_copy, lower_omp_for_lastprivate,
12467 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
12468 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
12469 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
12472 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12474 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
12475 config/sh/sh.md: Follow spelling conventions.
12477 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
12478 config/frv/predicates.md: Follow spelling conventions.
12480 * config/m68k/linux-unwind.h: Fix a comment typo.
12481 * target.h: Follow spelling conventions.
12483 2007-02-18 Roger Sayle <roger@eyesopen.com>
12485 PR rtl-optimization/28173
12486 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
12487 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
12488 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
12489 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
12490 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
12492 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12494 * builtins.c (fold_builtin_load_exponent): New.
12495 (fold_builtin_2): Use it.
12497 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
12499 PR rtl-optimization/30773
12500 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
12501 if we fail to attach a REG_EQUIV note.
12503 2007-02-18 David Edelsohn <edelsohn@gnu.org>
12504 Roger Sayle <roger@eyesopen.com>
12506 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
12508 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12510 * calls.c (initialize_argument_information): Pass original EXP
12511 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
12512 code to split complex arguments here, as part of initializing the
12514 (expand_call): Remove code that builds a list of arguments and
12515 inserts implicit arguments into it. Instead, just count how many
12516 implicit arguments there will be so we can determine the size of
12517 the ARGS array, and let initialize_argument_information do the work.
12518 (split_complex_values): Delete unused function.
12520 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12522 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
12524 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12526 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
12527 for arg pointer based indexed addressing.
12529 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12531 * config/ia64/ia64.h, config/ia64/ia64.md,
12532 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
12533 spelling conventions.
12535 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12537 * config/m68k/m68k.c (split_di): New.
12538 * config/m68k/m68k-protos.h: Declare split_di.
12539 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
12540 Improve predicate handling and split constant shifts.
12542 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12544 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
12545 parameter for register bitfield operations, general predicates
12548 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12550 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
12551 * config/m68k/linux-unwind.h: New file.
12553 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12555 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
12556 config/i386/athlon.md, config/ia64/ia64.md,
12557 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
12558 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
12559 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
12560 tree-ssa-loop-niter.c, tree-vect-analyze.c,
12561 tree-vect-transform.c: Fix comment typos.
12563 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
12565 * sched-deps.c (find_insn_list): Remove.
12566 * sched-int.h: Remove the prototype for find_insn_list.
12568 2007-02-16 Geoffrey Keating <geoffk@apple.com>
12570 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
12572 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
12573 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
12574 darwin_rs6000_override_options.
12575 (C_COMMON_OVERRIDE_OPTIONS): Expect
12576 darwin_macosx_version_min to be non-NULL always.
12577 (TARGET_C99_FUNCTIONS): Likewise.
12578 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
12579 (DARWIN_MINVERSION_SPEC): New.
12580 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
12581 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
12583 (DARWIN_MINVERSION_SPEC): New.
12584 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
12586 * config/darwin-c.c (darwin_cpp_builtins): Expect
12587 darwin_macosx_version_min to be non-NULL always.
12589 * config/rs6000/rs6000.c: Clean up trailing whitespace.
12591 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
12593 * config/i386/i386.h (x86_use_xchgb): New.
12594 (TARGET_USE_XCHGB): New macro.
12595 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
12596 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
12597 Split after reload into bswaphi for shifts of 8.
12598 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
12599 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
12600 or when optimizing for size.
12602 2007-02-16 Richard Guenther <rguenther@suse.de>
12603 Christian Bruel <christian.bruel@st.com>
12605 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
12606 DECLs but prefer SSA_NAMEs over DECLs.
12608 2007-02-16 Richard Guenther <rguenther@suse.de>
12610 * tree-flow-inline.h (single_imm_use_p): Remove.
12611 (zero_imm_uses_p): Likewise.
12612 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
12613 instead of single_imm_use_p.
12614 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
12617 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12620 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
12621 nested double- and backquotes.
12623 2007-02-15 Roger Sayle <roger@eyesopen.com>
12625 PR middle-end/30391
12626 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
12627 should be unreachable.
12628 (build2_stat): Allow construction of MODIFY_EXPR at any time.
12629 For the time being redirect GIMPLE_MODIFY_STMT to the new
12630 (renamed) build_gimple_modify_stmt_stat.
12631 (build2_gimple_stat): Rename to...
12632 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
12633 Always build a GIMPLE_MODIFY_STMT node.
12634 * tree.h (build2_gimple, build2_gimple_stat): Delete.
12635 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
12638 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
12639 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
12640 * tree-complex.c (set_component_ssa_name, expand_complex_move,
12641 expand_complex_div_wide): Likewise.
12642 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
12643 * tree-ssa-loop-im.c (schedule_sm): Likewise.
12644 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
12645 * tree-ssa-loop-manip.c (create_iv): Likewise.
12646 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
12647 abs_replacement): Likewise.
12648 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
12649 realify_fake_stores): Likewise.
12651 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
12652 node rather than a GIMPLE_MODIFY_STMT node.
12653 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
12654 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
12656 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
12657 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
12658 GIMPLE_MODIFY_STMT.
12660 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12662 PR middle-end/30433
12663 * fold-const.c (fold_comparison): Add back the
12664 folding of constant complex comparisions.
12666 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12668 PR middle-end/30729
12669 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
12670 effects unknown to this function, return early.
12672 2007-02-15 Ian Lance Taylor <iant@google.com>
12674 * lower-subreg.c (move_eh_region_note): New static function.
12675 (resolve_simple_move): Call it.
12676 (decompose_multiword_subregs): Track blocks for which we resolve a
12677 simple move which is also a control flow insn. Pass them to
12678 find_many_sub_basic_blocks.
12679 (pass_lower_subreg): Add TODO_verify_flow.
12680 (pass_lower_subreg2): Likewise.
12682 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12683 Brooks Moses <brooks.moses@codesourcery.com>
12684 Lee Millward <lee.millward@codesourcery.com>
12686 * tree.h (enum tree_code_class): Add tcc_vl_exp.
12687 (VL_EXP_CLASS_P): New.
12688 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
12690 (TREE_OPERAND_CHECK_CODE): Likewise.
12691 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
12692 (TREE_RTL_OPERAND_CHECK): Likewise.
12693 (tree_operand_check_failed): Make second parameter the whole tree
12694 instead of its code. Fixed callers.
12695 (VL_EXP_CHECK): New.
12696 (TREE_OPERAND_LENGTH): New.
12697 (VL_EXP_OPERAND_LENGTH): New.
12698 (CALL_EXPR_FN): New.
12699 (CALL_EXPR_STATIC_CHAIN): New.
12700 (CALL_EXPR_ARGS): New.
12701 (CALL_EXPR_ARG): New.
12702 (call_expr_nargs): New.
12703 (CALL_EXPR_ARGP): New.
12704 (build_nt_call_list): Declare.
12705 (build_vl_exp_stat): Declare.
12706 (build_vl_exp): New.
12707 (build_call_list): Declare.
12708 (build_call_nary): Declare.
12709 (build_call_valist): Declare.
12710 (build_call_array): Declare.
12711 (call_expr_arg): Declare.
12712 (call_expr_argp): Declare.
12713 (call_expr_arglist): Declare.
12714 (fold_build_call_list): Declare.
12715 (fold_build_call_list_initializer): Declare.
12716 (fold_call_expr): Declare to replace fold_builtin.
12717 (fold_builtin_fputs): Update to agree with modified definition.
12718 (fold_builtin_strcpy): Likewise.
12719 (fold_builtin_strncpy): Likewise.
12720 (fold_builtin_memory_chk): Likewise.
12721 (fold_builtin_stxcpy_chk): Likewise.
12722 (fold_builtin_strncpy_chk): Likewise.
12723 (fold_builtin_next_arg): Likewise.
12724 (fold_build_call_expr): Declare.
12725 (fold_builtin_call_list): Declare.
12726 (fold_builtin_call_valist): Declare.
12727 (build_call_expr): Declare.
12728 (validate_arglist): Update to agree with modified definition.
12729 (tree_operand_length): New.
12730 (call_expr_arg_iterator): New.
12731 (init_call_expr_arg_iterator): New.
12732 (next_call_expr_arg): New.
12733 (first_call_expr_arg): New.
12734 (more_call_expr_args_p): New.
12735 (FOR_EACH_CALL_EXPR_ARG): New.
12737 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
12738 and tcc_gimple_stmt.
12739 (tree_code_size): Update documentation. Use sizeof (tree) rather
12740 than sizeof (char *).
12741 (tree_size): Likewise. Add case for tcc_vl_exp.
12742 (tree_node_structure): Add case for tcc_vl_exp.
12743 (contains_placeholder_p): Likewise.
12744 (substitute_in_expr): Likewise.
12745 (substitute_placeholder_in_expr): Likewise.
12746 (stabilize_reference_1): Likewise.
12747 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
12748 to diagnose breakage of this interface for constructing CALL_EXPRs.
12749 (build_nt): Add similar assertion here.
12750 (build_nt_call_list): New.
12751 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
12752 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
12754 (get_callee_fndecl): Use new CALL_EXPR accessors.
12755 (tree_operand_check_failed): Change parameters to pass entire node
12756 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
12757 (process_call_operands): New.
12758 (build_vl_exp_stat): New.
12759 (build_call_list): New.
12760 (build_call_nary): New.
12761 (build_call_valist): New.
12762 (build_call_array): New.
12763 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12764 (call_expr_arglist): New.
12766 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
12767 tcc_vl_exp instead of a fixed-size tcc_expression.
12769 * doc/c-tree.texi (CALL_EXPR): Document new representation and
12770 accessors for CALL_EXPRs.
12771 (AGGR_INIT_EXPR): Likewise.
12773 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12774 Brooks Moses <brooks.moses@codesourcery.com>
12775 Lee Millward <lee.millward@codesourcery.com>
12777 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
12778 (expand_builtin_nonlocal_goto): Change parameter to be entire
12779 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
12780 (expand_builtin_prefetch): Likewise.
12781 (expand_builtin_classify_type): Likewise.
12782 (mathfn_built_in): Return NULL_TREE instead of 0.
12783 (expand_errno_check): Use new CALL_EXPR accessors.
12784 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
12785 Return NULL_RTX instead of 0.
12786 (expand_builtin_mathfn_2): Likewise.
12787 (expand_builtin_mathfn_3): Likewise.
12788 (expand_builtin_interclass_mathfn): Likewise.
12789 (expand_builtin_sincos): Likewise.
12790 (expand_builtin_cexpi): Likewise.
12791 (expand_builtin_int_roundingfn): Likewise.
12792 (expand_builtin_int_roundingfn_2): Likewise.
12793 (expand_builtin_pow): Likewise.
12794 (expand_builtin_powi): Likewise.
12795 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
12796 of arglist, fixing callers appropriately. Use new CALL_EXPR
12797 accessors and constructors. Return NULL_RTX instead of 0.
12798 (expand_builtin_strstr): Likewise.
12799 (expand_builtin_strchr): Likewise.
12800 (expand_builtin_strrchr): Likewise.
12801 (expand_builtin_strpbrk): Likewise.
12802 (expand_builtin_memcpy): Likewise.
12803 (expand_builtin_mempcpy): Likewise.
12804 (expand_builtin_mempcpy_args): New.
12805 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
12806 (expand_builtin_memmove_args): New.
12807 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
12808 (expand_movstr): Likewise.
12809 (expand_builtin_strcpy): Likewise.
12810 (expand_builtin_strcpy_args): New.
12811 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
12812 (expand_builtin_strncpy): Likewise.
12813 (expand_builtin_memset): Likewise.
12814 (expand_builtin_memset_args): New.
12815 (expand_builtin_bzero): Similarly to expand_builtin_memset.
12816 (expand_builtin_memcmp): Likewise.
12817 (expand_builtin_strcmp): Likewise.
12818 (expand_builtin_strncmp): Likewise.
12819 (expand_builtin_strcat): Likewise.
12820 (expand_builtin_strncat): Likewise.
12821 (expand_builtin_strspn): Likewise.
12822 (expand_builtin_strcspn): Likewise.
12823 (expand_builtin_args_info): Likewise.
12824 (expand_builtin_va_start): Likewise.
12825 (gimplify_va_arg_expr): Likewise.
12826 (expand_builtin_va_end): Likewise.
12827 (expand_builtin_va_copy): Likewise.
12828 (expand_builtin_frame_address): Likewise.
12829 (expand_builtin_alloca): Likewise.
12830 (expand_builtin_bswap): Likewise.
12831 (expand_builtin_unop): Likewise.
12832 (expand_builtin_fputs): Likewise.
12833 (expand_builtin_expect): Likewise.
12834 (expand_builtin_fabs): Likewise.
12835 (expand_builtin_copysign): Likewise.
12836 (expand_builtin_printf): Likewise.
12837 (expand_builtin_fprintf): Likewise.
12838 (expand_builtin_sprintf): Likewise.
12839 (expand_builtin_init_trampoline): Likewise.
12840 (expand_builtin_signbit): Likewise.
12841 (expand_builtin_fork_or_exec): Likewise.
12842 (expand_builtin_sync_operation): Likewise.
12843 (expand_builtin_compare_and_swap): Likewise.
12844 (expand_builtin_lock_test_and_set): Likewise.
12845 (expand_builtin_lock_release): Likewise.
12846 (expand_builtin): Likewise.
12847 (builtin_mathfn_code): Likewise.
12849 (fold_builtin_constant_p): Pass call arguments individually instead
12850 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12851 accessors and constructors. Return NULL_TREE instead of 0.
12852 (fold_builtin_expect): Likewise.
12853 (fold_builtin_classify_type): Likewise.
12854 (fold_builtin_strlen): Likewise.
12855 (fold_builtin_nan): Likewise.
12856 (integer_valued_real_p): Likewise.
12857 (fold_trunc_transparent_mathfn): Likewise.
12858 (fold_fixed_mathfn): Likewise.
12859 (fold_builtin_cabs): Likewise.
12860 (fold_builtin_sqrt): Likewise.
12861 (fold_builtin_cbrt): Likewise.
12862 (fold_builtin_cos): Likewise.
12863 (fold_builtin_cosh): Likewise.
12864 (fold_builtin_tan): Likewise.
12865 (fold_builtin_sincos): Likewise.
12866 (fold_builtin_cexp): Likewise.
12867 (fold_builtin_trunc): Likewise.
12868 (fold_builtin_floor): Likewise.
12869 (fold_builtin_ceil): Likewise.
12870 (fold_builtin_round): Likewise.
12871 (fold_builtin_int_roundingfn): Likewise.
12872 (fold_builtin_bitop): Likewise.
12873 (fold_builtin_bswap): Likewise.
12874 (fold_builtin_logarithm): Likewise.
12875 (fold_builtin_hypot): Likewise.
12876 (fold_builtin_pow): Likewise.
12877 (fold_builtin_powi): Likewise.
12878 (fold_builtin_exponent): Likewise.
12879 (fold_builtin_memset): Likewise.
12880 (fold_builtin_bzero): Likewise.
12881 (fold_builtin_memory_op): Likewise.
12882 (fold_builtin_bcopy): Deleted; call site changed to invoke
12883 fold_builtin_memory_op directly.
12884 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
12885 (fold_builtin_strncpy): Likewise.
12886 (fold_builtin_memcmp): Likewise.
12887 (fold_builtin_strcmp): Likewise.
12888 (fold_builtin_strncmp): Likewise.
12889 (fold_builtin_signbit): Likewise.
12890 (fold_builtin_copysign): Likewise.
12891 (fold_builtin_isascii): Likewise.
12892 (fold_builtin_toascii): Likewise.
12893 (fold_builtin_isdigit): Likewise.
12894 (fold_builtin_fabs): Likewise.
12895 (fold_builtin_abs): Likewise.
12896 (fold_builtin_fmin_fmax): Likewise.
12897 (fold_builtin_carg): Likewise.
12898 (fold_builtin_classify): Likewise.
12899 (fold_builtin_unordered_cmp): Likewise.
12901 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
12902 New functions split out from fold_builtin_1.
12903 (fold_builtin_n): New.
12904 (fold_builtin_varargs): New.
12905 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
12907 (fold_call_expr): New.
12908 (build_function_call_expr): Rewrite to use new helper function.
12909 (fold_builtin_call_list): New.
12910 (build_call_expr): New.
12911 (fold_builtin_call_valist): New.
12912 (rewrite_call_expr): New.
12913 (validate_arg): New.
12914 (validate_arglist): Change parameter to be entire CALL_EXPR instead
12915 of an arglist. Change return type to bool. Use new CALL_EXPR
12918 (fold_builtin_strstr): Pass call arguments individually instead
12919 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12920 accessors and constructors. Return NULL_TREE instead of 0.
12921 (fold_builtin_strchr): Likewise.
12922 (fold_builtin_strrchr): Likewise.
12923 (fold_builtin_strpbrk): Likewise.
12924 (fold_builtin_strcat): Likewise.
12925 (fold_builtin_strncat): Likewise.
12926 (fold_builtin_strspn): Likewise.
12927 (fold_builtin_strcspn): Likewise.
12928 (fold_builtin_fputs): Likewise.
12929 (fold_builtin_next_arg): Likewise.
12930 (fold_builtin_sprintf): Likewise.
12932 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
12933 NULL_RTX instead of 0.
12934 (expand_builtin_memory_chk): Likewise.
12935 (maybe_emit_chk_warning): Likewise.
12936 (maybe_emit_sprintf_chk_warning): Likewise.
12938 (fold_builtin_object_size): Pass call arguments individually instead
12939 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12940 accessors and constructors. Return NULL_TREE instead of 0.
12941 (fold_builtin_memory_chk): Likewise.
12942 (fold_builtin_stxcpy_chk): Likewise.
12943 (fold_builtin_strncpy_chk): Likewise.
12944 (fold_builtin_strcat_chk): Likewise.
12945 (fold_builtin_strcat_chk): Likewise.
12946 (fold_builtin_strncat_chk): Likewise.
12947 (fold_builtin_sprintf_chk): Likewise.
12948 (fold_builtin_snprintf_chk): Likewise.
12949 (fold_builtin_printf): Likewise.
12950 (fold_builtin_vprintf): Likewise.
12952 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
12954 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
12955 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12956 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
12957 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
12958 (fold_unary): Likewise.
12959 (fold_binary): Likewise.
12960 (fold_ternary): Remove CALL_EXPR case, since they are no longer
12961 ternary expressions.
12962 (fold): Add logic for tcc_vl_exp.
12963 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
12964 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12965 (fold_build3_stat): Add assertion to flag broken interface for
12966 constructing CALL_EXPRs.
12967 (fold_build_call_list): New.
12968 (fold_build_call_list_initializer): New.
12969 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
12971 (fold_strip_sign_ops): Likewise.
12973 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12974 Brooks Moses <brooks.moses@codesourcery.com>
12975 Lee Millward <lee.millward@codesourcery.com>
12977 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
12978 accessors and dump arguments explicitly.
12980 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
12982 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
12984 (print_call_name): Use new CALL_EXPR accessors.
12986 * print-tree.c (print_node): Add case tcc_vl_exp. Print
12987 CALL_EXPR arguments explicitly instead of as a list. Use
12988 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12990 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
12991 (vrp_visit_stmt): Likewise.
12993 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
12994 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
12996 (force_move_till_expr): Likewise.
12998 * targhooks.c (default_external_stack_protect_fail): Use
12999 build_call_expr instead of build_function_call_expr.
13000 (default_hidden_stack_protect_fail): Likewise.
13002 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
13005 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
13006 and walk arguments explicitly.
13008 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
13009 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13010 (expand_simple_operations): Likewise.
13011 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
13013 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
13014 of TREE_CODE_LENGTH.
13015 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
13017 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
13018 instead of TREE_CODE_LENGTH.
13020 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
13021 (tree_ic_transform): Likewise.
13022 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
13023 parameter instead of arglist. Fix callers.
13024 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
13025 (tree_stringops_transform): Likewise.
13026 (tree_indirect_call_to_profile): Likewise.
13027 (tree_stringops_values_to_profile): Likewise.
13029 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
13030 (eliminate_tail_call): Likewise.
13032 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
13034 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
13035 Use TREE_OPERAND_LENGTH and generalize to handle any number of
13037 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
13039 * omp-low.c (build_omp_barrier): Use build_call_expr.
13040 (lower_rec_input_clauses): Likewise.
13041 (lower_reduction_clauses): Likewise.
13042 (expand_parallel_call): Likewise.
13043 (maybe_catch_exception): Likewise.
13044 (expand_omp_for_generic): Likewise.
13045 (expand_omp_for_static_nochunk): Likewise.
13046 (expand_omp_sections): Likewise.
13047 (lower_omp_single_simple): Likewise.
13048 (lower_omp_single_copy): Likewise.
13049 (lower_omp_master): Likewise.
13050 (lower_omp_ordered): Likewise.
13051 (lower_omp_critical): Likewise.
13053 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
13054 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
13056 * tree-gimple.c (is_gimple_call_addr): Fix doc.
13057 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
13058 TREE_CODE_LENGTH. Add tcc_vl_exp case.
13060 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
13061 and generalize to handle any number of operands.
13062 (chrec_contains_undetermined): Likewise.
13063 (tree_contains_chrecs): Likewise.
13064 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
13066 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
13068 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
13069 fold_call_expr instead of fold_builtin.
13070 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
13071 match declarations there.
13072 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
13075 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
13076 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13078 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
13079 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
13081 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
13084 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
13085 (execute_cse_sincos): Use new CALL_EXPR accessors.
13087 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
13089 * gimple-low.c (lower_function_body): Use build_call_expr.
13090 (lower_builtin_setjmp): Likewise.
13092 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
13093 (set_storage_via_libcall): Likewise.
13094 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
13095 instead of TREE_CODE_LENGTH.
13096 (expand_expr_real_1): Use new CALL_EXPR accessors.
13098 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
13099 generalize to handle any number of operands.
13100 (TB_parent_eq): Likewise.
13102 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
13103 (strip_builtin_expect): Likewise.
13105 * function.c (gimplify_parameters): Use build_call_expr.
13107 * tree-vectorizer.c (vect_is_simple_reduction): Use
13108 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13110 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
13111 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
13113 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
13116 * gimplify.c (build_stack_save_restore): Use build_call_expr.
13117 (gimplify_decl_expr): Likewise.
13118 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
13119 Use new CALL_EXPR iterators.
13120 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
13121 (gimplify_modify_expr_to_memset): Likewise.
13122 (gimplify_variable_sized_compare): Likewise.
13123 (gimplify_omp_atomic_fetch_op): Likewise.
13124 (gimplify_omp_atomic_pipeline): Likewise.
13125 (gimplify_omp_atomic_mutex): Likewise.
13126 (gimplify_function_tree): Likewise.
13128 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
13129 (call_expr_flags): Likewise.
13130 (expand_call): Likewise.
13132 * except.c (expand_builtin_eh_return_data_regno): Pass entire
13133 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13136 * coverage.c (create_coverage): Use build_call_expr.
13138 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
13139 (temp_call_expr_obstack): New.
13140 (pool_copy_list): Delete.
13141 (temp_copy_call_expr): New.
13142 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
13143 CALL_EXPR accessors. Get rid of special goo for copying argument
13144 lists and use temp_copy_call_expr instead.
13145 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
13146 CALL_EXPR accessors.
13147 (create_expression_by_pieces): Likewise. Use build_call_array
13148 to construct the result instead of fold_build3.
13149 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
13150 dealing with argument lists.
13151 (init_pre): Remove references to expression_node_pool and
13152 list_node_pool. Init temp_call_expr_obstack instead.
13153 (fini_pre): Remove references to expression_node_pool and
13156 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
13157 and walk arguments explicitly instead of as a list.
13159 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
13160 (mx_register_decls): Likewise.
13161 (mudflap_register_call): Likewise.
13162 (mudflap_finish_file): Likewise.
13164 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
13165 (ipa_callsite_compute_param): Likewise.
13167 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
13168 accessors and constructor.
13170 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
13171 accessors and constructor.
13172 (convert_tramp_reference): Likewise.
13173 (convert_call_expr): Likewise.
13174 (finalize_nesting_tree_1): Likewise.
13176 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
13179 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
13181 * tree-inline.c (initialize_inlined_parameters): Pass entire
13182 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13184 (estimate_num_insns_1): Use new CALL_EXPR accessors.
13185 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
13187 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
13188 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13189 (vectorizable_reduction): Likewise.
13190 (vectorizable_call): Use new CALL_EXPR iterators.
13191 (vectorizable_conversion): Use build_call_expr.
13192 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
13193 (vect_gen_widened_results_half): Use build_call_expr.
13194 (vect_setup_realignment): Likewise.
13195 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
13197 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
13198 (pass_through_call): Likewise.
13199 (compute_object_sizes): Likewise. Use fold_call_expr instead of
13202 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
13203 (tree_gen_pow2_profiler): Likewise.
13204 (tree_gen_one_value_profiler): Likewise.
13205 (tree_gen_ic_func_profiler): Likewise.
13206 (tree_gen_average_profiler): Likewise.
13207 (tree_gen_ior_profiler): Likewise.
13209 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
13210 (find_func_aliases): Use new CALL_EXPR accessors. Add case
13211 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13213 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
13214 of TREE_CODE_LENGTH.
13216 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
13217 of TREE_CODE_LENGTH.
13219 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
13221 (convert_to_integer): Likewise.
13223 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
13226 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13227 Brooks Moses <brooks.moses@codesourcery.com>
13228 Lee Millward <lee.millward@codesourcery.com>
13230 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
13232 * config/frv/frv.c (frv_expand_builtin): Likewise.
13233 * config/s390/s390.c (s390_expand_builtin): Likewise.
13235 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
13236 (sparc_expand_builtin): Use new CALL_EXPR accessors.
13238 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
13239 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
13240 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
13241 (ix86_expand_store_builtin): Likewise.
13242 (ix86_expand_unop_builtin): Likewise.
13243 (ix86_expand_unop1_builtin): Likewise.
13244 (ix86_expand_sse_compare): Likewise.
13245 (ix86_expand_sse_comi): Likewise.
13246 (ix86_expand_vec_init_builtin): Likewise.
13247 (ix86_expand_vec_ext_builtin): Likewise.
13248 (ix86_expand_vec_set_builtin): Likewise.
13249 (ix86_expand_builtin): Use new CALL_EXPR accessors.
13251 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
13252 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
13254 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
13255 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13256 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
13258 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
13260 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13261 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
13262 arglist. Use new CALL_EXPR accessors. Fix callers.
13263 (altivec_expand_abs_builtin): Likewise.
13264 (rs6000_expand_binop_builtin): Likewise.
13265 (altivec_expand_predicate_builtin): Likewise.
13266 (altivec_expand_lv_builtin): Likewise.
13267 (spe_expand_stv_builtin): Likewise.
13268 (altivec_expand_stv_builtin): Likewise.
13269 (rs6000_expand_ternop_builtin): Likewise.
13270 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
13271 (altivec_expand_st_builtin): Likewise.
13272 (altivec_expand_dst_builtin): Likewise.
13273 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
13274 arglist. Use new CALL_EXPR accessors. Fix callers.
13275 (altivec_expand_vec_set_builtin): Likewise.
13276 (altivec_expand_vec_ext_builtin): Likewise.
13277 (altivec_expand_builtin): Use new CALL_EXPR accessors.
13278 (spe_expand_builtin): Likewise.
13279 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
13280 arglist. Use new CALL_EXPR accessors. Fix callers.
13281 (spe_expand_evsel_builtin): Likewise.
13282 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
13283 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
13285 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
13286 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13287 (arm_expand_unop_builtin): Likewise.
13288 (arm_expand_builtin): Use new CALL_EXPR accessors.
13290 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
13293 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
13294 CALL_EXPR instead of arglist. Use new CALL_EXPR accessors.
13296 (bfin_expand_unop_builtin): Likewise.
13297 (bfin_expand_builtin): Use new CALL_EXPR accessors.
13299 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13300 Brooks Moses <brooks.moses@codesourcery.com>
13301 Lee Millward <lee.millward@codesourcery.com>
13303 * c-semantics.c (build_stmt): Add internal diagnostic check.
13305 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
13306 accessors. Print arguments explicitly instead of as a list.
13308 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
13310 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
13311 (c_finish_omp_flish): Likewise.
13313 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
13314 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
13315 instead of TREE_CODE_LENGTH.
13316 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
13317 (c_warn_unused_result): Likewise.
13319 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13322 * doc/invoke.texi (Warning Options): Remove
13323 -Werror-implicit-function-declaration.
13324 (Wimplicit-function-declaration): Update description.
13325 * opts.c (common_handle_option): Move handling of -Werror=* to...
13326 (enable_warning_as_error): ...here.
13327 * opts.h (enable_warning_as_error): Declare.
13328 * c-decl.c (implicit_decl_warning): Unless
13329 -Wno-implicit-function-declaration is given, emit a pedwarn if
13330 -std=c99 or emit a warning if -Wimplicit-function-declaration.
13331 * c.opt (Wimplicit-function-declaration): Replace
13332 mesg_implicit_function_declaration with
13333 warn_implicit_function_declaration.
13334 * c-opts.c (c_common_handle_option):
13335 -Werror-implicit-function-declaration is exactly equal as
13336 -Werror=implicit-function-declaration.
13337 (set_Wimplicit): Replace mesg_implicit_function_declaration with
13338 warn_implicit_function_declaration.
13339 (c_common_post_options): -Wimplict-function-declaration is enabled
13340 by default by -std=c99, otherwise is disabled by default.
13341 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
13343 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13345 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
13346 DECL on the rhs to a DECL on the lhs for debug info purposes if the
13347 former is ignored but not the latter.
13349 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13351 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
13352 is made and the reference doesn't use the alias set of its type,
13353 do not create the temporary using that type.
13355 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
13357 * jump.c: Remove prototypes for delete_computation and
13358 delete_prior_computation.
13360 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13362 * jump.c (get_label_after): Delete.
13363 (get_label_before, delete_computation, delete_jump,
13364 delete_prior_computation, follow_jumps): Move...
13365 * reorg.c (delete_computation, delete_prior_computation): ... here...
13366 (get_label_before, delete_jump): ... making these static ...
13367 (follow_jumps): ... and simplifying this since it only runs after
13369 * rtl.h (get_label_after, get_label_before, delete_jump,
13370 follow_jumps): Delete prototypes.
13372 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13374 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
13376 2007-02-15 Nick Clifton <nickc@redhat.com>
13378 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
13379 order to prevent it from being munged by the target.
13381 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
13383 * config/i386/i386.md: Remove misleading comment.
13385 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13387 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
13388 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
13391 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13393 * tree-sra.c (instantiate_missing_elements): Canonicalize
13395 (sra_build_assignment): New.
13396 (generate_copy_inout, generate_element_copy,
13397 generate_element_zero, generate_one_element_init): Use it.
13399 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13401 * tree-sra.c (instantiate_missing_elements): Canonicalize
13403 (sra_build_assignment): New.
13404 (generate_copy_inout, generate_element_copy,
13405 generate_element_zero, generate_one_element_init): Use it.
13407 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13409 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
13412 2007-02-14 Joseph Myers <joseph@codesourcery.com>
13414 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
13415 types as aggregates not scalars.
13416 * function.c (assign_stack_temp_for_type): Likewise.
13418 2007-02-14 Roger Sayle <roger@eyesopen.com>
13419 Zdenek Dvorak <dvorakz@suse.cz>
13421 * tree-dump.c (dump_switch_p_1): Require exact match of the option
13424 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13426 * passes.c (next_pass_1): Clear the next field of the copied
13429 2007-02-14 Richard Henderson <rth@redhat.com>
13431 * tree-sra.c (early_sra): New.
13432 (decl_can_be_decomposed_p): Deny va_list if early_sra.
13433 (tree_sra_early, pass_sra_early): New.
13434 * tree-pass.h (pass_sra_early): Declare.
13435 * passes.c (init_optimization_passes): Use it.
13437 2007-02-14 Richard Guenther <rguenther@suse.de>
13439 * flags.h (issue_strict_overflow_warning): Convert to a macro.
13441 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
13443 PR tree-optimization/30771
13444 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
13446 (vect_analyze_operations): Induction phis can now be marked as
13448 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
13449 Update documentation accordingly.
13451 2007-02-14 Nick Clifton <nickc@redhat.com>
13453 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
13454 most 3 arguments are supported.
13455 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
13457 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
13459 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
13460 Ensure dst->current is valid.
13462 2007-02-13 Paul Brook <paul@codesourcery.com>
13464 * config.gcc: Add arm*-*-uclinux-*eabi.
13465 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
13466 (SUBTARGET_EXTRA_LINK_SPEC): Define.
13467 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
13468 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
13469 (LINK_SPEC): Define.
13470 (LIB_SPEC): Define.
13471 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
13473 * config/arm/uclinux-eabi.h: New file.
13474 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
13475 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
13478 2007-02-13 Ian Lance Taylor <iant@google.com>
13480 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
13481 * flags.h (warn_strict_overflow): Declare.
13482 (enum warn_strict_overflow_code): Define.
13483 (issue_strict_overflow_warning): New static inline function.
13484 * opts.c (warn_strict_overflow): New variable.
13485 (common_handle_option): Handle OPT_Wstrict_overflow and
13486 OPT_Wstrict_overflow_.
13487 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
13489 * fold-const.c: Include intl.h.
13490 (fold_deferring_overflow_warnings): New static variable.
13491 (fold_deferred_overflow_warning): New static variable.
13492 (fold_deferred_overflow_code): New static variable.
13493 (fold_defer_overflow_warnings): New function.
13494 (fold_undefer_overflow_warnings): New function.
13495 (fold_undefer_and_ignore_overflow_warnings): New function.
13496 (fold_deferring_overflow_warnings_p): New function.
13497 (fold_overflow_warning): New static function.
13498 (make_range): Add strict_overflow_p parameter. Change all
13500 (extract_muldiv, extract_muldiv_1): Likewise.
13501 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
13502 tree_expr_nonnegative_p.
13503 (fold_negate_expr): Call fold_overflow_warning.
13504 (fold_range_test): Likewise.
13505 (fold_comparison): Likewise.
13506 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
13507 instead of tree_expr_nonnegative_p.
13508 (tree_expr_nonnegative_warnv_p): Rename from
13509 tree_expr_nonnegative_p, add strict_overflow_p parameter.
13510 (tree_expr_nonnegative_p): New function.
13511 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
13512 strict_overflow_p parameter.
13513 (tree_expr_nonzero_p): New function.
13514 * passes.c (verify_interpass_invariants): New static function.
13515 (execute_one_pass): Call it.
13516 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
13518 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
13519 (estimate_numbers_of_iterations): Likewise.
13520 (scev_probably_wraps_p): Likewise.
13521 * tree-ssa-ccp.c: Include "toplev.h".
13522 (evaluate_stmt): Defer fold overflow warnings until we know we are
13524 (struct fold_stmt_r_data): Add stmt field.
13525 (fold_stmt_r): Defer fold overflow warnings until we know we
13527 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
13528 (fold_stmt_inplace): Likewise.
13529 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
13530 (cleanup_control_expr_graph): Defer fold overflow warnings until
13531 we know we are going to optimize.
13532 * tree-cfg.c (fold_cond_expr_cond): Likewise.
13533 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
13535 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
13536 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
13537 * tree-ssa-loop-manip.c (create_iv): Likewise.
13538 * c-typeck.c (build_conditional_expr): Likewise.
13539 (build_binary_op): Likewise.
13540 * tree-vrp.c (vrp_expr_computes_nonzero): Call
13541 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
13542 (extract_range_from_unary_expr): Likewise.
13543 * simplify-rtx.c (simplify_const_relational_operation): Warn when
13544 assuming that signed overflow does not occur.
13545 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
13546 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
13547 (fold_defer_overflow_warnings): Declare.
13548 (fold_undefer_overflow_warnings): Declare.
13549 (fold_undefer_and_ignore_overflow_warnings): Declare.
13550 (fold_deferring_overflow_warnings_p): Declare.
13551 (tree_expr_nonzero_warnv_p): Declare.
13552 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
13553 of warning options.
13554 (Warning Options): Document -Wstrict-overflow.
13555 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
13556 (tree-ssa-ccp.o): Likewise.
13557 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
13558 (fold-const.o): Depend on intl.h.
13560 2007-02-13 Ian Lance Taylor <iant@google.com>
13562 PR middle-end/30751
13563 * lower-subreg.c (resolve_simple_move): Decompose subregs in
13566 2007-02-13 Stuart Hastings <stuart@apple.com>
13568 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
13570 2007-02-13 Richard Henderson <rth@redhat.com>
13572 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
13573 handled_component_p before looking for the indirect_ref.
13575 2007-02-13 Richard Henderson <rth@redhat.com>
13577 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
13578 remove flags clobber.
13579 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
13580 (bswaphi_lowpart): New.
13581 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
13582 remove TARGET_BSWAP test. Delete expander of the same name.
13584 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
13585 (expand_unop): Use them.
13587 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
13589 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
13590 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
13591 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
13592 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
13593 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
13594 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
13595 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
13596 assembler dialect choice from asm templates.
13598 2007-02-12 Richard Henderson <rth@redhat.com>
13600 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
13601 (fixuns_trunc<SSEMODEF>si2): Use it.
13602 * config/i386/sse.md (vec_setv4sf_0): Export.
13603 * config/i386/i386.c (ix86_build_const_vector): Export.
13604 (ix86_split_convert_uns_si_sse): Rename from
13605 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
13606 * config/i386/i386-protos.h: Update.
13608 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13611 * c-typeck.c (c_finish_return): Improve warning message.
13613 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13615 * alias.c (find_symbolic_term): Delete unused function.
13617 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
13619 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
13620 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
13621 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
13623 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13625 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
13626 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
13627 the function, temporarily point the debug interface to the null one.
13629 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13631 * dwarf2out.c (round_up_to_align): New static function.
13632 (field_byte_offset): Use it to round the offset.
13634 2007-02-12 Richard Henderson <rth@redhat.com>
13636 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
13637 (inswl_const): Export.
13639 2007-02-12 Richard Henderson <rth@redhat.com>
13641 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
13642 result mode of the libcall, convert back to outmode.
13644 2007-02-12 Roger Sayle <roger@eyesopen.com>
13646 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
13647 (bswapdi2): New define_expand to implement 32-bit implementation.
13649 2007-02-12 Nick Clifton <nickc@redhat.com>
13651 * doc/invoke.texi (Overall Options): Document --help=.
13652 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
13653 (cc1_options): Pass --help= on to cc1.
13654 (display_help): Add description of --help=.
13655 (process_command): Add code to handle --help=. Allow translated
13656 --help and --target-help switches to be passed on to compiler
13658 (main): Remove unused if statement.
13659 * opts.c (columns): Remove.
13660 (LEFT_COLUMN): Define.
13661 (wrap_help): Add columns argument.
13662 (print_filtered_help): Change parameters to be an include bitmask,
13663 an exclude bitmask, an any bitmask and the column width. Move the
13664 code to display the params list here. Add code to display the
13665 status of options rather than their descriptions if the quiet flag
13667 (print_specific_help): Change parameters to be an include bitmask,
13668 an exclude bitmask and an any bitmask. Move code to look up the
13669 column width here. Decide upon the title for an options listing.
13670 (common_handle_options): Add code to handle --help=. Adapt code
13671 for --help and --target-help to use the revised form of the
13672 print_specific_help function.
13673 (print_help): Delete.
13674 (print_param_help): Delete.
13675 (print_switch): Delete.
13676 * opts.h (cl_lang_count): Add prototype.
13677 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
13678 CL_MAX_OPTION_CLASS): New defines.
13679 * optc-gen.awk: Add construction of cl_lang_count.
13680 * c.opt: Add Warning attribute to warning options and Optimization
13681 attribute to optimization options.
13682 * common.opt: Likewise.
13684 Add -fhelp and -ftarget-help as aliases for the transformed --help
13685 and --target-help options.
13686 * opt-functions.awk: Add code to handle Warning and Optimization
13689 2007-02-12 Richard Henderson <rth@redhat.com>
13691 * config/alpha/constraints.md: New file.
13692 * config/alpha/alpha.c: Include tm-constrs.h.
13693 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
13694 alpha_extra_constraint): Remove.
13695 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
13696 * config/alpha/alpha-protos.h: Update.
13697 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
13698 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
13699 (EXTRA_CONSTRAINT): Remove.
13700 * config/alpha/alpha.md: Include constraints.md.
13701 (adddi splitter): Use satisfies_constraint_*.
13702 * config/alpha/predicates.md (add_operand): Likewise.
13703 (sext_add_operand, addition_operation): Likewise.
13705 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
13707 PR tree-optimization/29145
13708 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
13709 in our handling of restrict qualified pointers.
13711 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13714 * doc/invoke.texi (Wunused-value): Update description.
13715 (Wextra): Delete item.
13716 * opts.c (set_Wextra): Don't use the value of Wextra to set the
13717 value of Wunused-value.
13718 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
13719 (c_finish_stmt_expr): Don't check extra_warnings.
13720 (emit_side_effect_warnings): The caller is responsible to check
13723 2007-02-11 Roger Sayle <roger@eyesopen.com>
13724 Matt Thomas <matt@3am-software.com>
13726 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
13728 2007-02-11 Roger Sayle <roger@eyesopen.com>
13730 * simplify-rtx.c (simplify_relational_operation_1): Optimize
13731 comparisons of POPCOUNT against zero.
13732 (simplify_const_relational_operation): Likewise.
13734 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13736 * doc/invoke.texi (Wextra): Delete outdated paragraph.
13738 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13740 * dwarf2out.c (root_type): Delete unused function.
13742 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13744 * genattrtab.c (contained_in_p): Delete unused function.
13745 (write_expr_attr_cache): Likewise.
13747 2007-02-11 Jan Hubicka <jh@suse.cz>
13749 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
13752 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
13754 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
13755 to add the REG_EQ* note.
13756 * see.c (see_merge_one_use_extension): Likewise.
13757 * local-alloc.c (update_equiv_regs): Likewise. Also don't
13758 turn REG_EQUAL notes into REG_EQUIV notes if the target
13759 register may have more than one set.
13760 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
13761 * gcse.c (try_replace_reg): Likewise.
13762 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
13763 * calls.c (fixup_tail_calls): Likewise. Abort if there is
13764 more than one REG_EQUIV note.
13765 * reload1.c (gen_reload): Use set_unique_reg_note.
13767 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
13769 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
13770 (ix86_builtin_conversion): New function.
13772 2007-02-06 Mark Mitchell <mark@codesourcery.com>
13775 * tree.h (DECL_REPLACEABLE_P): New macro.
13776 * except.c (set_nothrow_function_flags): Likewise.
13778 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
13779 Ira Rosen <irar@il.ibm.com>
13780 Dorit Nuzman <dorit@il.ibm.com>
13782 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
13783 * targhooks.c (default_builtin_vectorized_conversion): New.
13784 * targhooks.h (default_builtin_vectorized_function): New declaration.
13785 * target.h (struct vectorize): Add builtin_conversion field.
13786 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
13787 stmt_vec_info_type value.
13788 (vectorizable_conversion): New declaration.
13789 * tree-vect-analyze.c (vect_analyze_operations): Add
13790 vectorizable_conversion call.
13791 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
13792 * tree-vect-transform.c (vectorizable_conversion): New function.
13793 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
13794 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
13796 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
13797 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
13798 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
13799 or ALTIVEC_BUILTIN_VCFSX.
13801 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13804 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
13805 CONST_DOUBLE and operand 0 is a hard register.
13806 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
13807 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
13808 is a hard floating-point register.
13810 2007-02-10 Richard Henderson <rth@redhat.com>
13811 Jakub Jelinek <jakub@redhat.com>
13812 Alexandre Oliva <aoliva@redhat.com>
13814 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
13815 * builtin-types.def (BT_WORD): Make unsigned.
13816 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
13817 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
13818 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
13819 * c-decl.c (grokdeclarator): Don't error if !have_tls.
13820 * c-parser.c (c_parser_omp_threadprivate): Likewise.
13821 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
13823 * expr.c (emutls_var_address): New.
13824 (expand_expr_real_1): Expand emulated tls.
13825 (expand_expr_addr_expr_1): Likewise.
13826 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
13827 * output.h (emutls_finish): Declare.
13828 * toplev.c (compile_file): Call it.
13829 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
13830 address before wrapping in CONST.
13831 * varasm.c (emutls_htab, emutls_object_type): New.
13832 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
13833 (get_emutls_object_name, get_emutls_object_type): New.
13834 (get_emutls_init_templ_addr, emutls_decl): New.
13835 (emutls_common_1, emutls_finish): New.
13836 (assemble_variable): When emulating tls, swap decls; generate
13837 constructor for the emutls objects.
13838 (do_assemble_alias): When emulating tls, swap decl and target name.
13839 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
13841 * varpool.c (decide_is_variable_needed): Look at force_output.
13842 Recurse for emulated tls.
13843 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
13844 with decide_is_variable_needed.
13845 * emutls.c: New file.
13846 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
13847 tls_object for real tls.
13849 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
13851 PR rtl-optimization/29599
13852 * reload1.c (eliminate_regs_in_insn): Take the destination
13853 mode into account when computing the offset.
13855 2007-02-09 Stuart Hastings <stuart@apple.com>
13856 Richard Henderson <rth@redhat.com>
13858 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13859 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13860 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
13861 fixuns_truncdfhi2): New.
13862 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
13863 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
13864 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
13865 (floatunssidf2): Allow nonimmediate source.
13866 * config/i386/sse.md (movdi_to_sse): New.
13867 (vec_concatv2di): Drop '*'.
13868 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
13869 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13870 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
13872 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
13873 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13874 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
13875 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
13876 (ix86_build_signbit_mask): Fix decl of v, refactor to call
13877 ix86_build_const_vector.
13878 (x86_emit_floatuns): Rewrite.
13880 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13882 * genautomata.c (longest_path_length): Delete unused function.
13883 (struct state): Delete unused longest_path_length.
13884 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
13885 (get_free_state): Delete unused.
13887 2007-02-09 Jan Hubicka <jh@suse.cz>
13889 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
13890 * doc/invoke.texi (inline-unit-growth): Update default value.
13892 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
13893 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
13894 (rebuild_cgraph_edges): Likewise.
13895 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
13896 (dump_cgraph_node): Dump frequencies.
13897 (cgraph_clone_edge): Add frequency scales.
13898 (cgraph_clone_node): Add freuqnecy.
13899 * cgraph.h (cgraph_edge): Add freuqnecy argument.
13900 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
13901 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
13902 * tree-pass.h (TODO_rebuild_frequencies): New constant.
13903 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
13904 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
13905 (save_inline_function_body): Likewise.
13906 * ipa-inline.c: inluce rtl.h
13907 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
13908 (cgraph_edge_badness): Use frequencies.
13909 (cgraph_decide_recursive_inlining): Update clonning.
13910 (cgraph_decide_inlining_of_small_function): Dump frequency.
13911 * predict.c (estimate_bb_frequencies): Export.
13912 * predict.h (estimate_bb_frequencies): Declare.
13913 * tree-inline.c (copy_bb): Watch overflows.
13914 (expand_call_inline): Update call of cgraph_create_edge.
13915 (optimize_inline_calls): Use TODO flags to update frequnecies.
13916 * passes.h: Include predict.h
13917 (init_optimization_passes): Move profile ahead.
13918 (execute_function_todo): Handle TODO_rebuild_frequencies.
13920 2007-02-09 Roger Sayle <roger@eyesopen.com>
13922 * config/alpha/alpha.c (emit_insxl): Force the first operand of
13923 the insbl or inswl pattern into a register.
13925 2007-02-09 Roger Sayle <roger@eyesopen.com>
13927 * config/ia64/ia64.md (bswapdi2): New define_insn.
13929 2007-02-09 Richard Henderson <rth@redhat.com>
13931 * config/i386/constraints.md (Ym): New constraint.
13932 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
13933 (movdi_1_rex64): Split sse and xmm general register moves from
13934 memory move alternatives. Use conditional register constraints.
13935 (movsf_1, movdf_integer): Likewise.
13936 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13937 (movdf_integer_rex64): New.
13938 (pushsf_rex64): Fix output constraints.
13939 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
13940 (sse2_stored): Likewise.
13941 (sse2_storeq_rex64): New.
13942 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
13943 amd and not generic.
13944 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
13945 for optimize_size. Remove SF/DFmode hack.
13947 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
13949 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
13952 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
13953 Richard Sandiford <richard@codesourcery.com>
13955 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
13956 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
13957 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
13958 m68k/t-mlib to tmake_file.
13959 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
13960 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
13961 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
13962 Allow it to be cf or m68k. Set m68k_arch_family. If that
13963 variable is not empty, add t-$m68k_arch_family to tmake_file.
13964 Add t-mlibs to tmake_file.
13965 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
13966 * config/m68k/t-cf: New file.
13967 * config/m68k/t-m68k: Likewise.
13968 * config/m68k/t-mlibs: Likewise.
13969 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13970 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13971 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13972 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13973 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
13975 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
13976 (INSTALL_LIBGCC): Delete.
13977 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13978 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13979 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13980 (M68K_MLIB_CPU): Define.
13981 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13982 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13983 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
13985 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13986 Richard Guenther <rguenther@suse.de>
13988 PR middle-end/23361
13989 * fold-const.c (fold_comparison): Handle obfuscated comparisons
13990 against INT_MIN/INT_MAX.
13991 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
13992 file if a loop is removed.
13994 2007-02-09 Joseph Myers <joseph@codesourcery.com>
13996 * calls.c (store_one_arg): Pass correct alignment to
13997 emit_push_insn for non-BLKmode values.
13998 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
13999 unaligned stack slot via a suitably aligned slot.
14001 2007-02-08 DJ Delorie <dj@redhat.com>
14003 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
14005 (legal_subregs): Use unsigned char, make const.
14006 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
14008 2007-02-08 Paul Brook <paul@codesourcery.com>
14010 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
14011 special interworking needed.
14013 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
14015 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
14016 conditional to __SSE2__.
14017 (Entries below should have been added to first ChangeLog
14018 entry for amdfam10 dated 2007-02-05)
14019 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
14021 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
14023 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
14026 2007-02-08 DJ Delorie <dj@redhat.com>
14028 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
14029 * config/m32c/m32c.c (legal_subregs): New.
14030 (m32c_illegal_subreg_p): New.
14031 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
14032 unsupported subregs of hard regs.
14034 2007-02-08 Jan Hubicka <jh@suse.cz>
14036 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
14037 the same one; always update histograms.
14039 2007-02-08 Diego Novillo <dnovillo@redhat.com>
14041 * passes.c (init_optimization_passes): Tidy comment.
14043 2007-02-08 Roger Sayle <roger@eyesopen.com>
14045 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
14046 strip zero_extend, bswap and rotates from POCOUNT's argument.
14047 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
14048 zero_extend and rotates from PARITY's argument.
14049 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
14050 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
14051 of an integer constant at compile-time.
14053 2007-02-08 Diego Novillo <dnovillo@redhat.com>
14056 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
14058 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
14061 * tree-ssa-live.c (remove_unused_locals): Do not remove
14062 TREE_ADDRESSABLE variables.
14063 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
14064 * tree-ssa-operands.c (add_virtual_operand): Remove argument
14065 FOR_CLOBBER. Update all users.
14066 If VAR has an associated alias set, add a virtual operand for
14067 it if no alias is found to conflict with the memory reference.
14069 2007-02-07 Jan Hubicka <jh@suse.cz>
14070 Robert Kidd <rkidd@crhc.uiuc.edu>
14072 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
14074 2007-02-07 Ian Lance Taylor <iant@google.com>
14076 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
14078 2007-02-07 Roger Sayle <roger@eyesopen.com>
14080 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
14081 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
14082 tablejumpdi, movsi_to_cr_one): Remove constraints from
14083 define_expand's match_operands.
14085 2007-02-07 Roger Sayle <roger@eyesopen.com>
14087 * global.c (compute_regsets): Move declatation of "i" inside of
14088 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
14090 2007-02-07 Jakub Jelinek <jakub@redhat.com>
14093 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
14094 of INDIRECT_REF <RESULT_DECL>.
14096 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
14098 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
14099 Kaz Kojima <kkojima@gcc.gnu.org>
14102 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
14104 (sh_initialize_trampoline): Add parentheses to avoid a warning.
14106 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14108 * doc/loop.texi: Document possibility not to perform disambiguation
14109 of loops with multiple latches.
14110 * cfgloopmanip.c (alp_enum_p): Removed.
14111 (add_loop): Handle subloops. Use get_loop_body_with_size.
14112 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
14113 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
14114 the new forwarder block.
14115 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
14116 Handle the case latch is NULL.
14117 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
14118 modifications when marking loop exits.
14119 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
14121 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
14122 disambiguate_loops_with_multiple_latches.
14123 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
14124 before fix_loop_structure.
14125 * cfgloop.c: Include pointer-set.h and output.h.
14126 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
14127 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
14128 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
14129 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
14130 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
14131 disambiguate_multiple_latches, get_loop_body_with_size,
14132 disambiguate_loops_with_multiple_latches): New functions.
14133 (flow_loop_dump): Dump multiple latch edges.
14134 (flow_loop_nodes_find): Handle loops with multiple latches.
14135 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
14136 (glb_enum_p): Modified.
14137 (get_loop_body): Use get_loop_body_with_size.
14138 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
14139 (AVOID_CFG_MODIFICATIONS): New constant.
14140 (disambiguate_loops_with_multiple_latches, add_loop,
14141 get_loop_body_with_size): Declare.
14142 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
14144 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
14146 PR inline-asm/28686
14147 * global.c (compute_regsets): New function.
14148 (global_alloc): Refactored ELIMINABLE_REGSET
14149 and NO_GLOBAL_ALLOC_REGS computation out.
14150 (rest_of_handle_global_alloc): Call compute_regsets()
14151 for non-optimizing case.
14153 2007-02-06 Richard Henderson <rth@redhat.com>
14155 * config/i386/constraints.md (Y2): Rename from Y.
14156 (Yi): New constraint.
14157 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
14158 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
14159 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
14160 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
14161 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
14162 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
14163 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
14164 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
14165 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
14166 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
14167 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
14168 vec_extractv2si_1): Change Y constraints to Y2.
14169 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
14170 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
14171 Change Y constraints to Y2.
14172 (sse2_loadld): Change Y constraints to x.
14174 2007-02-06 Roger Sayle <roger@eyesopen.com>
14176 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
14177 (parity<mode>2): New define_expand using rs6000_emit_parity.
14178 * config/rs6000/rs6000.c (rs6000_emit_popcount,
14179 rs6000_emit_parity): New functions.
14180 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
14181 rs6000_emit_parity): Prototype here.
14183 2007-02-06 Ian Lance Taylor <iant@google.com>
14185 * lower-subreg.c (simple_move_operand): Reject CONST.
14186 (resolve_clobber): Call validate_change rather than directly
14187 assigning to XEXP (pat, 0).
14189 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14191 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
14192 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
14193 (tree-cfg.o): Remove hashtab.h dependency.
14195 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
14196 (struct ivopts_data): Change niters to pointer_map_t.
14197 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
14198 (niter_for_exit): Create pointer_map on demand. Change for
14200 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
14201 (free_loop_data): Destroy data->niters if created and reset field.
14202 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
14203 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
14205 * tree-ssa-reassoc.c: Include pointer-set.h.
14206 (bb_rank): Change to long *.
14207 (operand_rank): Change to pointer_map_t.
14208 (find_operand_rank): Return long, -1 if not found. Declare as inline.
14209 (insert_operand_rank): Accept long.
14210 (operand_entry_hash, operand_entry_eq): Remove.
14211 (get_rank): Return long. Adjust for changes above.
14212 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
14214 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
14216 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
14217 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
14218 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
14220 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
14221 directly since it cannot be NULL.
14222 (get_vi_for_tree): Rewrite for pointer_map API.
14223 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
14224 (init_alias_vars): Create vi_for_tree as pointer_map.
14225 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
14227 * tree-cfg.c: Don't include hashtab.h.
14228 (edge_to_cases): Declare as pointer_map.
14229 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
14231 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
14232 (start_recording_case_labels): Create edge_to_cases as pointer_map.
14233 (end_recoding_case_labels): Cleanup edge_to_cases manually before
14235 (record_switch_edge): Delete.
14236 (get_cases_for_edge): Adjust for pointer_map API, inline
14237 record_switch_edge (rewritten for new API), remove goto.
14239 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14241 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
14242 * tree-nested.c: Include pointer-set.h.
14243 (var_map_elt, var_map_eq, var_map_hash): Delete.
14244 (struct nesting_info): Remove GTY marker. Change the two htab_t's
14245 to pointer_map_t's.
14246 (nesting_info_bitmap_obstack): New.
14247 (lookup_field_for_decl): Adjust for pointer_map API.
14248 (lookup_tramp_for_decl): Adjust for pointer_map API.
14249 (get_nonlocal_debug_decl): Adjust for pointer_map API.
14250 (get_local_debug_decl): Adjust for pointer_map API.
14251 (convert_nl_goto_reference): Adjust for pointer_map API.
14252 (convert_nl_goto_receiver): Adjust for pointer_map API.
14253 (create_nesting_tree): Create outside GGC space. Create bitmap on
14254 the new obstack. Create field_map and var_map as pointer_maps.
14255 (free_nesting_tree): Adjust for changes to create_nesting_tree.
14257 (lower_nested_functions): Move root here, no need to NULL it.
14258 Initialize and release the obstack.
14260 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
14262 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
14263 Remove prototypes and make them non-static.
14264 (struct tree_int_map): Remove.
14265 * tree.h (struct tree_int_map): Move here, turning TO into an
14267 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
14269 * tree.h (TREE_COMPLEXITY): Remove.
14270 (struct tree_exp): Remove complexity field.
14271 * tree.c (build1_stat): Don't set it.
14273 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
14274 Victor Kaplansky <victork@il.ibm.com>
14276 * tree-vectorizer.c (vect_is_simple_use): Support induction.
14277 (vect_is_simple_reduction): Support reduction with induction as
14278 one of the operands.
14279 (vect_is_simple_iv_evolution): Fix formatting.
14280 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
14281 formatting. Don't mark induction phis for vectorization.
14282 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
14283 * tree-vect-transform.c (get_initial_def_for_induction): New function.
14284 (vect_get_vec_def_for_operand): Support induction.
14285 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
14287 (vectorizable_reduction): Support reduction with induction as one of
14289 (vectorizable_type_demotion): Use def-type of stmt argument rather
14290 than dummy def-type.
14292 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
14293 flag_tree_scev_cprop.
14294 * common.opt (tree-scev-cprop): New flag.
14296 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
14297 call to vect_get_new_vect_var.
14299 2007-02-06 Ira Rosen <irar@il.ibm.com>
14301 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
14302 vectype is not NULL.
14303 (vect_pattern_recog_1): Likewise.
14305 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14307 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
14308 (fold_negate_expr): Likewise.
14310 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
14313 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
14314 even if cv-qualification is the same.
14316 2007-02-05 Geoffrey Keating <geoffk@apple.com>
14318 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
14319 __enable_execute_stack on completion.
14321 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14323 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
14324 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
14325 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
14326 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
14327 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
14328 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
14329 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
14330 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
14332 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14334 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
14335 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
14336 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
14337 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
14338 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
14339 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
14340 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
14341 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
14342 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
14343 umuldi3_highpart_rex64, umulsi3_highpart_insn,
14344 umulsi3_highpart_zext, smuldi3_highpart_rex64,
14345 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
14346 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
14347 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
14348 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
14349 sqrtextenddfxf2_i387): Added amdfam10_decode.
14351 * config/i386/athlon.md (athlon_idirect_amdfam10,
14352 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
14353 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
14354 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
14355 athlon_ivector_store_amdfam10): New define_insn_reservation.
14356 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
14359 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14361 * config/i386/athlon.md (athlon_call_amdfam10,
14362 athlon_pop_amdfam10, athlon_lea_amdfam10): New
14363 define_insn_reservation.
14364 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
14365 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
14366 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
14368 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14370 * config/i386/athlon.md (athlon_sseld_amdfam10,
14371 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
14372 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
14374 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14376 * config/i386/athlon.md (athlon_sseins_amdfam10): New
14377 define_insn_reservation.
14378 * config/i386/i386.md (sseins): Added sseins to define_attr type
14379 and define_attr unit.
14380 * config/i386/sse.md: Set type attribute to sseins for insertq
14383 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14385 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
14386 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
14387 ssecomi_load_amdfam10, ssecomi_amdfam10,
14388 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
14389 define_insn_reservation.
14390 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
14392 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14394 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
14395 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
14396 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
14397 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
14398 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
14399 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
14400 define_insn_reservation.
14402 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
14403 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
14404 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
14405 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
14406 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
14408 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14410 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
14411 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
14412 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
14413 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
14414 athlon_ssemul_load_k8): Added amdfam10.
14416 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14418 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
14419 (x86_sse_unaligned_move_optimal): New variable.
14421 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
14423 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
14424 for unaligned vector SSE double/single precision loads for AMDFAM10.
14426 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14428 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
14429 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
14430 Define TARGET_CPU_DEFAULT_amdfam10.
14431 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
14432 (processor_type): Add PROCESSOR_AMDFAM10.
14434 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
14435 processor_type in config/i386/i386.h.
14436 Enable imul peepholes for TARGET_AMDFAM10.
14438 * config.gcc: Add support for --with-cpu option for amdfam10.
14440 * config/i386/i386.c (amdfam10_cost): New variable.
14441 (m_AMDFAM10): New macro.
14442 (m_ATHLON_K8_AMDFAM10): New macro.
14443 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
14444 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
14445 x86_promote_QImode, x86_integer_DFmode_moves,
14446 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14447 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
14448 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
14449 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
14450 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
14451 Enable/disable for amdfam10.
14452 (override_options): Add amdfam10_cost to processor_target_table.
14453 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
14454 processor_alias_table.
14455 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
14456 (ix86_adjust_cost): Add code for amdfam10.
14458 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14460 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
14461 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
14462 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
14463 * config/i386/i386.h: Add builtin definition for SSE4A.
14464 * config/i386/i386.md: Add support for ABM instructions
14465 (popcnt and lzcnt).
14466 * config/i386/sse.md: Add support for SSE4A instructions
14467 (movntss, movntsd, extrq, insertq).
14468 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
14469 Add -march=amdfam10 flag.
14470 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
14471 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
14473 * doc/extend.texi: Add documentation for SSE4A builtins.
14475 2007-02-05 Bob Wilson <bob.wilson@acm.org>
14477 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
14479 2007-02-05 Richard Guenther <rguenther@suse.de>
14481 * tree-vectorizer.h (vectorizable_function): Add argument type
14482 argument, change return type.
14483 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
14484 * tree-vect-transform.c (vectorizable_function): Handle extra
14485 argument, return vectorized function decl.
14486 (build_vectorized_function_call): Remove.
14487 (vectorizable_call): Handle calls with result and argument types
14488 differing. Handle loop vectorization factor correctly.
14489 * targhooks.c (default_builtin_vectorized_function): Adjust for
14491 * targhooks.h (default_builtin_vectorized_function): Likewise.
14492 * target.h (builtin_vectorized_function): Add argument type
14494 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
14495 extra argument, allow vectorizing of lrintf.
14496 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
14497 documentation of target hook.
14499 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
14502 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
14503 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
14504 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
14506 2007-02-05 Roger Sayle <roger@eyesopen.com>
14508 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
14509 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
14510 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
14511 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
14512 before canonicalizing sincos to cexpi.
14513 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
14515 2007-02-05 Roger Sayle <roger@eyesopen.com>
14517 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
14518 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
14519 (alpha_init_builtins): Use alpha_add_builtins to process tables.
14521 2007-02-05 Roger Sayle <roger@eyesopen.com>
14523 * mips-tfile.c (initialize_init_file): Correct endianness test.
14525 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
14527 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
14528 the 'y' constraint.
14530 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14532 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
14533 saves in a PARALLEL before the register assignments.
14535 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14537 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
14538 DWARF_FRAME_RETURN_COLUMN to be a general register.
14539 * dwarf2out.c (init_return_column_size): New function, split from...
14540 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
14541 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
14542 to be nongeneral registers.
14543 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
14545 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
14546 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
14548 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14550 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
14552 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14554 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
14555 (remove_path): Use can_remove_branch_p and remove_branch instead
14556 of loop_delete_branch_edge.
14557 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
14558 (tree_transform_and_unroll_loop): Remove dead branches immediately.
14559 Update profile using scale_dominated_blocks_in_loop.
14560 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
14561 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
14562 (can_remove_branch_p, remove_branch): Declare.
14563 * tree-cfg.c (tree_can_remove_branch_p): New function.
14564 (tree_cfg_hooks): Add tree_can_remove_branch_p.
14565 * cfgrtl.c (rtl_can_remove_branch_p): New function.
14566 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
14568 2007-02-05 Jan Hubicka <jh@suse.cz>
14570 PR middle-end/30696
14571 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
14572 nodes in cgraph, don't remove offline copy of the function.
14574 2007-02-04 Jan Hubicka <jh@suse.cz>
14576 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
14577 vectors might cause maybe_lookup_element_for_expr to be called
14578 on non-sra-candidate.
14580 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14582 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
14583 config/bfin/bfin.md, config/bfin/predicates.md: Follow
14584 spelling conventions.
14586 2007-02-04 Richard Guenther <rguenther@suse.de>
14588 PR middle-end/30636
14589 * fold-const.c (try_move_mult_to_index): Make sure to not
14590 overflow one dimension of a multi-dimensional array access.
14592 2007-02-04 Jan Hubicka <jh@suse.cz>
14594 * passes.c (init_optimization_passes): Reindent.
14596 2007-02-04 Jan Hubicka <jh@suse.cz>
14597 Eric Botcazou <ebotcazou@adacore.com>
14599 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
14600 (execute_fixup_cfg): Break out the abnormal goto code.
14601 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
14602 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
14603 (optimize_inline_calls): Call make_nonlocal_label_edges.
14605 2007-02-04 Jan Hubicka <jh@suse.cz>
14607 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
14608 true when something was changed.
14609 (rename_ssa_copies): When something was changed, do
14610 TODO_remove_unused_locals.
14611 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
14612 add TODO_remove_unused_locals when instruction was removed.
14614 2007-02-04 Jan Hubicka <jh@suse.cz>
14616 * ipa-inline.c (try_inline): Improve debug output; work on already
14618 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
14619 call try_inline for already inlined edges too when flattening;
14620 inline also functions that make callee growth but overall unit size
14623 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14625 * config/m32c/bitops.md, config/m32c/jump.md,
14626 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
14627 config/m32r/m32r.h, config/m32r/m32r.md,
14628 config/m32r/predicates.md, config/m68hc11/larith.asm,
14629 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
14630 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
14631 config/mips/mips-protos.h, config/mips/mips.c,
14632 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
14633 config/mn10300/mn10300.h, config/mn10300/predicates.md,
14634 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
14635 spelling conventions.
14637 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
14638 Follow spelling conventions.
14640 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
14642 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
14643 warn about C++0x compatibility.
14645 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14647 * config/h8300/h8300.c, config/h8300/h8300.h,
14648 config/h8300/h8300.md: Follow spelling conventions.
14650 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
14652 PR middle-end/30667
14653 * combine.c (try_combine): Do not substitute source operand
14654 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
14656 2007-02-03 Jan Hubicka <jh@suse.cz>
14658 PR gcov-profile/30650
14659 * value-prof.c (stringop_block_profile): Fix handling of size counter;
14660 do not divide by zero for never executed counters.
14661 (tree_find_values_to_profile): Fix counters.
14662 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
14664 2007-02-03 Ian Lance Taylor <iant@google.com>
14666 * lower-subreg.c (simple_move_operand): New static function,
14667 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
14669 (simple_move): Call simple_move_operand.
14670 (find_decomposable_subregs): Add special handling of MEMs.
14671 (can_decompose_p): Rename from cannot_decompose_p. Reverse
14672 meaning of return value. If we see a hard register, test whether
14673 it can store a word_mode value. Change all callers.
14675 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14677 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
14678 ftrapv insns and expanders.
14679 (subdi3): Change define_expand operand 1 to arith11_operand, and
14680 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
14681 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
14682 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
14685 PR middle-end/30174
14686 * varasm.c (notice_global_symbol): Treat global objects as weak when
14687 flag_shlib is true.
14689 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14691 * emit-rtl.c (dconstpi): Delete.
14692 (dconstsqrt2): New.
14693 (init_emit_once): Delete dconstpi and init dconstsqrt2.
14694 * real.h (dconstpi): Delete.
14695 (dconstsqrt2): New.
14696 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
14697 (fold_builtin_hypot): Likewise.
14699 2007-02-03 Tom Tromey <tromey@redhat.com>
14702 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
14703 -gcoff3, -gxcoff3, -gvms3 implies -dD.
14705 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
14707 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
14708 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
14709 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
14710 config/rs6000/cell.md, config/rs6000/darwin.h,
14711 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
14712 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
14713 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
14714 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
14715 typos. Follow spelling conventions.
14716 * doc/invoke.texi: Follow spelling conventions.
14718 2007-02-03 Roger Sayle <roger@eyesopen.com>
14720 * simplify-rtx.c (simplify_relational_operation_1): Implement some
14721 canonicalization transformations that attempt to simplify integer
14722 constant comparisons to become comparisons against zero.
14724 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14726 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
14728 * fold-const.c (fold_binary): Fix comment typos. Fold complex
14729 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
14731 2007-02-02 Mike Stump <mrs@apple.com>
14733 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
14734 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
14735 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
14736 generate a branch island.
14738 2007-02-02 Bob Wilson <bob.wilson@acm.org>
14740 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
14741 (xtensa_legitimate_address_p): New.
14742 (xtensa_legitimize_address): New.
14743 (xtensa_output_addr_const_extra): New.
14744 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
14746 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
14747 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
14748 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
14749 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
14750 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
14751 (xtensa_legitimize_address): New.
14752 (xtensa_output_addr_const_extra): New.
14754 2007-02-02 Steve Ellcey <sje@cup.hp.com>
14756 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
14758 2007-02-02 Ian Lance Taylor <iant@google.com>
14760 * expmed.c (expand_divmod): Add comment.
14762 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
14764 * emit-rtl.c (renumber_insns): Remove.
14765 * flags.h: Remove the extern for flag_renumber_insns.
14766 * rtl.h: Remove the prototype for renumber_insns.
14767 * toplev.c (flag_renumber_insns): Remove.
14769 2007-02-02 Hui-May Chang <hm.chang@apple.com>
14771 Revert for x86 darwin:
14772 2005-06-19 Uros Bizjak <uros@kss-loka.si>
14774 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
14775 code before the following patch under TARGET_MACHO.
14776 (ix86_function_value_regno_p): Likewise.
14778 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14780 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
14783 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14786 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
14787 loads to general or fp registers. Add comments.
14788 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
14790 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
14792 * pointer-set.c (insert_aux): Only return insertion slot.
14793 (pointer_set_insert): Adjust.
14794 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
14795 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
14796 pointer_map_traverse): New.
14797 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
14798 pointer_map_create, pointer_map_destroy, pointer_map_insert,
14799 pointer_map_contains, pointer_map_traverse): Declare.
14801 2007-02-02 Jakub Jelinek <jakub@redhat.com>
14803 PR middle-end/30473
14804 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
14805 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
14807 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14809 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
14811 (struct _dep): New type.
14812 (dep_t): New typedef.
14813 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
14814 (DEP_STATUS): New access macro. The macro with the same name was
14815 renamed to DEP_LINK_STATUS.
14816 (dep_init): Declare function
14818 (struct _dep_link): New type.
14819 (dep_link_t): New typedef.
14820 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
14821 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
14822 (DEP_LINK_STATUS): New macro.
14823 (debug_dep_links): New debug function.
14825 (struct _deps_list): New type.
14826 (deps_list_t): New typedef.
14827 (DEPS_LIST_FIRST): New access macro.
14828 (FOR_EACH_DEP_LINK): New cycle macro.
14829 (create_deps_list, free_deps_list, delete_deps_list): Declare
14831 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
14832 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
14833 (copy_deps_list_change_con): Ditto.
14835 (move_dep_link): Declare function.
14837 (struct _dep_node): New type.
14838 (dep_node_t): New typedef.
14839 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
14841 (struct haifa_insn_data.back_deps): New field to hold backward
14842 dependencies of the insn.
14843 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
14845 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
14846 Change its type to deps_list_t.
14847 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
14848 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
14849 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
14851 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
14853 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
14855 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
14857 (dep_cost): Declare.
14859 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
14860 (ds_to_dk, dk_to_ds): New functions.
14862 (init_dep_1): New static function.
14863 (init_dep): New function.
14864 (copy_dep): New static function.
14866 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
14868 (detach_dep_link): New static function.
14869 (move_dep_link): New function.
14871 (dep_links_consistent_p, dump_dep_links): New static functions.
14872 (debug_dep_links): New debugging function.
14874 (deps_obstack, dl_obstack, dn_obstack): New static variables.
14876 (alloc_deps_list, init_deps_list): New static functions.
14877 (create_deps_list): New function.
14878 (clear_deps_list): New static function.
14879 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
14880 (deps_list_consistent_p, dump_deps_list): New static functions.
14881 (debug_deps_list): New function.
14882 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
14884 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
14886 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
14887 use new scheduler dependencies lists.
14888 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
14889 (sched_analyze): Ditto. Initialize dependencies lists.
14890 (add_forw_dep, compute_forward_dependences): Update to use new
14891 scheduler dependencies lists.
14893 (init_dependency_caches): Init deps_obstack.
14894 (free_dependency_caches): Free deps_obstack.
14896 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
14897 new scheduler dependencies lists.
14898 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
14899 (add_back_forw_dep, delete_back_forw_dep): Ditto.
14901 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
14902 Update to use new scheduler dependencies lists.
14903 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
14904 (debug_dependencies): Ditto.
14905 (schedule_region): Update comments.
14907 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
14908 scheduler dependencies lists.
14909 (schedule_ebb): Update comments.
14911 * rtl.def (DEPS_LIST): Remove.
14913 * lists.c (unused_deps_list): Remove.
14914 (free_list): Update assertions.
14916 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
14917 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14919 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
14920 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14922 * haifa-sched.c (comments): Update.
14923 (insn_cost1): Remove. Inline the code into insn_cost ().
14924 (insn_cost): Update to use new scheduler dependencies lists. Move
14925 processing of the dependency cost to dep_cost ().
14926 (dep_cost): New function. Use it instead of insn_cost () when
14927 evaluating cost of the dependency. Use compatible interface to
14928 interact with the target.
14929 (priority): Update to use new scheduler dependencies lists.
14930 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
14931 with greater number of insns that depend on the insn.
14932 (schedule_insn): Update to use new scheduler dependencies lists. Add
14933 code to free backward dependencies lists. Inline and optimize code
14934 from resolve_dep () - see PR28071.
14935 (ok_for_early_queue_removal): Update to use new scheduler dependencies
14936 lists. Update call to targetm.sched.is_costly_dependence hook.
14938 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
14939 scheduler dependencies lists.
14941 (resolve_dep): Remove. Move the logic to schedule_insn ().
14942 (init_h_i_d): Initialize dependencies lists.
14944 (process_insn_depend_be_in_spec): Rename to
14945 process_insn_forw_deps_be_in_spec. Update to use new scheduler
14946 dependencies lists.
14947 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
14948 Update to use new scheduler dependencies lists.
14949 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
14951 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
14952 new scheduler dependencies lists.
14953 (build_intra_loop_deps): Ditto.
14955 * target.h (struct _dep): Declare to use in
14956 gcc_target.sched.is_costly_dependence.
14957 (struct gcc_target.sched.adjust_cost): Fix typo.
14958 (struct gcc_target.sched.is_costly_dependence): Change signature to
14959 use single dep_t parameter instead of an equivalent triad.
14960 (struct gcc_target.sched.adjust_cost_2): Remove.
14962 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
14964 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
14966 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
14968 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
14970 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
14971 (REG_DEP_TRUE): Document.
14973 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
14974 Change signature to correspond to the targetm.sched.adjust_cost hook.
14975 Update use in TARGET_SCHED_ADJUST_COST_2.
14976 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
14977 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
14978 new scheduler dependencies lists.
14979 (ia64_gen_check): Ditto.
14981 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
14982 scheduler dependencies lists.
14984 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
14985 signature to correspond to the targetm.sched.is_costly_dependence hook.
14986 (is_costly_group): Update to use new scheduler dependencies lists.
14988 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
14989 instead of INSN_COST () macro.
14991 2007-02-01 Ian Lance Taylor <iant@google.com>
14993 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
14995 2007-02-01 Guy Martin <gmsoft@gentoo.org>
14997 * pa.md (tp_load): Correct mfctl instruction syntax.
14999 2007-02-01 Geoffrey Keating <geoffk@apple.com>
15001 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
15002 altivec_padding_size calculation on AIX. Improve comment, add
15003 assert to verify that it's right.
15005 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
15008 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
15010 PR inline-asm/28686
15011 * global.c (global_alloc): Add mising initialization of
15014 2007-02-01 Roger Sayle <roger@eyesopen.com>
15016 * alias.c (init_alias_analysis): Correct whitespace.
15017 * bb-reorder.c (fix_edges_for_rarely_executed_code,
15018 partition_hot_cold_basic_blocks): Likewise.
15019 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
15020 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
15021 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
15022 fold_builtin_snprintf_chk, fold_builtin_printf,
15023 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
15024 do_mpfr_arg3, do_mpfr_sincos): Likewise.
15025 * cfgcleanup.c (cleanup_cfg): Likewise.
15026 * cfgexpand.c (tree_expand_cfg): Likewise.
15027 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
15028 * function.c (get_next_funcdef_no): Likewise.
15029 * gengtype.c (main): Likewise.
15030 * genmodes.c (main): Likewise.
15031 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
15032 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
15033 * ifcvt.c (noce_emit_move_insn): Likewise.
15034 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
15036 * stor-layout.c (get_best_mode): Likewise.
15037 * tree-ssa-loop-niter.c (get_val_for): Likewise.
15038 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
15039 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
15040 perform_var_substitution, solve_graph): Likewise.
15041 * tree-vrp.c (vrp_finalize): Likewise.
15043 2007-02-01 Ian Lance Taylor <iant@google.com>
15045 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
15046 high part of a paradoxical subreg, return a constant zero.
15048 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
15050 * toplev.c (lang_dependent_init): Call init_set_costs.
15051 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
15053 2007-02-01 Richard Guenther <rguenther@suse.de>
15055 PR middle-end/30656
15056 * fold-const.c (fold_negate_expr): Allow negating a
15057 constant if overflow does not change.
15059 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15061 * doc/c-tree.texi (Expression trees): Improve markup.
15062 * doc/tm.texi (Register Classes, Addressing Modes)
15063 (Floating Point): Fix spacing after abbreviations. Fix some
15066 2007-02-01 Ben Elliston <bje@au.ibm.com>
15068 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
15069 * doc/contrib.texi: Likewise.
15070 * doc/install.texi: Likewise.
15072 2007-01-31 Richard Henderson <rth@redhat.com>
15073 Ian Lance Taylor <iant@google.com>
15075 * lower-subreg.c: New file.
15076 * rtl.def (CONCATN): Define.
15077 * passes.c (init_optimization_passes): Add pass_lower_subreg and
15078 pass_lower_subreg2.
15079 * emit-rtl.c (update_reg_offset): New static function, broken out
15080 of gen_rtx_REG_offset.
15081 (gen_rtx_REG_offset): Call update_reg_offset.
15082 (gen_reg_rtx_offset): New function.
15083 * regclass.c: Revert patch of 2006-03-05, restoring
15085 (clear_reg_info_regno): New function.
15086 * dwarf2out.c (concatn_loc_descriptor): New static function.
15087 (loc_descriptor): Handle CONCATN.
15088 * common.opt (fsplit_wide_types): New option.
15089 * opts.c (decode_options): Set flag_split_wide_types when
15091 * timevar.def (TV_LOWER_SUBREG): Define.
15092 * rtl.h (gen_reg_rtx_offset): Declare.
15093 (reg_scan_update): Declare.
15094 * regs.h (clear_reg_info_regno): Declare.
15095 * tree-pass.h (pass_lower_subreg): Declare.
15096 (pass_lower_subreg2): Declare.
15097 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
15098 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
15099 -fsplit-wide-types.
15100 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
15101 * Makefile.in (OBJS-common): Add lower-subreg.o.
15102 (lower-subreg.o): New target.
15104 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15106 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
15108 2007-01-31 Anatoly Sokolov <aesok@post.ru>
15111 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
15113 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15115 PR middle-end/29335
15116 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
15118 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
15120 * cfgloop.h: Include vec-prim.h.
15121 (enum li_flags): Remove LI_ONLY_OLD.
15122 (loop_iterator): Changed.
15123 (fel_next, fel_init): Iterate over loop tree.
15124 (FOR_EACH_LOOP_BREAK): New macro.
15125 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
15127 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
15128 * modulo-sched.c (sms_schedule): Ditto.
15129 * tree-vectorizer.c (vectorize_loops): Ditto.
15130 * doc/loop.texi: Update information on loop numbering and behavior of
15131 FOR_EACH_LOOP wrto new loops.
15132 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
15133 add_to_evolution_1): Test nestedness of loops instead of comparing
15135 * tree-chrec.c (chrec_fold_plus_poly_poly,
15136 chrec_fold_multiply_poly_poly, chrec_evaluate,
15137 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
15138 reset_evolution_in_loop): Ditto.
15139 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
15141 2007-01-31 Dirk Mueller <dmueller@suse.de>
15143 * c-common.c (warn_about_parentheses): Separate warning about
15144 un-parenthized sequence of comparison operators from the one
15145 which is supposed to warn about x <= y <= z.
15147 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
15149 * optabs.h (enum optab_index): Add new OTI_isinf.
15150 (isinf_optab): Define corresponding macro.
15151 * optabs.c (init_optabs): Initialize isinf_optab.
15152 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
15154 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
15155 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
15157 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
15158 expand_builtin_interclass_mathfn.
15159 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
15160 * config/i386/i386.md (UNSPEC_FXAM): New constant.
15161 (fxam<mode>2_i387): New insn pattern.
15162 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
15163 built-in functions as x87 inline asm.
15165 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15167 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
15169 2007-01-30 Eric Christopher <echristo@apple.com>
15171 * config.gcc: Add geode.
15173 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15175 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
15176 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
15177 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
15178 value-prof.c: Fix comment typos.
15180 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15183 * doc/invoke.texi (Wpointer-arith): Document warning.
15185 2007-01-30 Janis Johnson <janis187@us.ibm.com>
15187 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
15188 the list of discrepancies from the draft TR.
15190 2007-01-30 Dirk Mueller <dmueller@suse.de>
15193 * doc/invoke.texi (-Wreturn-type): Update description to
15194 match new behavior.
15196 2007-01-30 Richard Sandiford <richard@codesourcery.com>
15198 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
15200 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
15202 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
15203 to handle optabs that operate on floating point input argument and
15204 output to integer output.
15205 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
15206 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
15207 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
15208 expand_builtin_interclass_mathfn ().
15209 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
15210 (ilogbsi2): Remove.
15211 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
15212 ilogbl built-in functions as x87 intrinsics.
15214 2007-01-30 Richard Guenther <rguenther@suse.de>
15216 PR middle-end/27657
15217 * dwarf2out.c (reference_to_unused): Query varpool if the
15218 variable was output.
15220 2007-01-30 Richard Guenther <rguenther@suse.de>
15222 PR middle-end/30313
15223 * passes.c (execute_one_pass): Reset in_gimple_form to not
15224 confuse non-unit-at-a-time mode.
15226 2007-01-29 Roger Sayle <roger@eyesopen.com>
15227 Richard Guenther <rguenther@suse.de>
15229 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
15230 avoid undefined behaviour on overflow. Use force_fit_type_double
15231 to construct the constant with the specified TREE_OVERFLOW.
15233 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15235 * config/dfp-bit.c: Add parameterized support for fp exceptions.
15236 * config/dfp-bit.h: Ditto.
15238 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15240 * c-decl.c (pop_scope): Replace warnings with call to
15241 warn_for_unused_label.
15242 * c-common.h (warn_for_unused_label): Declare.
15243 * c-common.c (warn_for_unused_label): Define.
15245 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15247 * tree-optimize.c (update_inlined_to_pointers): Delete unused
15250 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15252 * Makefile.in (USER_H): Remove decfloat.h.
15253 * ginclude/decfloat.h: Delete, moving contents to ...
15254 * ginclude/float.h: Add support for decimal floating point,
15255 guarded by __STDC_WANT_DEC_FP__.
15257 2007-01-29 Mike Stump <mrs@apple.com>
15259 * doc/gccint.texi (Top): Rename Loop Representation to Loop
15260 Analysis and Representation to resolve case insensitive conflict.
15261 * doc/loop.texi (Loop Analysis and Representation): Likewise.
15263 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
15265 * tree.h (struct tree_memory_tag): Add aliases member.
15266 (MTAG_ALIASES): New macro.
15267 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
15268 (add_may_alias): Remove pointer-set. Update for may_aliases being
15270 (mark_aliases_call_clobbered): Update for may_aliases being a
15272 (compute_tag_properties): Ditto.
15273 (create_partition_for): Ditto.
15274 (compute_memory_partitions): Ditto.
15275 (dump_may_aliases_for): Ditto.
15276 (is_aliased_with): Ditto.
15277 (add_may_alias_for_new_tag): Ditto.
15278 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
15279 (compute_is_aliased): New function.
15280 (compute_may_aliases): Call compute_is_aliased).
15281 (init_alias_info): Initialize alias_bitmap_obstack.
15282 (union_alias_set_into): New function.
15283 (compute_flow_sensitive_aliasing): Use union_aliases_into.
15284 (have_common_aliases_p): Rewrite to take two bitmaps and use
15286 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
15287 Update for bitmaps.
15288 (finalize_ref_all_pointers): Update for add_may_alias changes.
15289 (new_type_alias): Ditto.
15290 * tree-flow-inline.h (may_aliases): Return a bitmap.
15291 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
15292 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
15293 may_aliases being a bitmap.
15294 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
15295 may_aliases now returns a bitmap.
15296 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
15298 * tree-ssa-operands.c (add_virtual_operand): Update for
15299 may_aliases being a bitmap.
15301 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
15303 PR tree-optimization/30630
15304 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
15305 variable as changed.
15307 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
15310 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
15311 expanded only once even if an error occurs.
15313 2007-01-29 Ben Elliston <bje@au.ibm.com>
15315 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
15316 (__gcov_average_profiler): Likewise.
15317 (__gcov_ior_profiler): Likewise.
15318 (__gcov_merge_ior): Likewise.
15320 2007-01-28 Jan Hubicka <jh@suse.cz>
15322 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
15323 * value-prof.c (stringop_block_profile): Likewise.
15325 2007-01-28 Jan Hubicka <jh@suse.cz>
15327 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
15328 Add variant handling histograms; add wrapper.
15329 (clear_storage_via_libcall): Export.
15330 (emit_block_move_hints): Break out from ...; add histograms.
15331 (emit_block_move): ... this one.
15332 (clear_storage_hints): Break out from ...; add histograms.
15333 (clear_storage): ... this one.
15334 (set_storage_via_memset): Handle histogram.
15335 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
15336 (clear_storage_hints, clear_storage_via_libcall): Declare.
15337 (set_storage_via_setmem): Update prototype.
15338 * doc/md.texi (movmem, setmem): Document new arguments.
15340 * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
15341 Add new histograms.
15342 (stringop_block_profile): New global function.
15343 (tree_stringops_values_to_profile): Profile block size and alignment.
15344 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
15346 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
15347 (stringop_block_profile): Declare.
15348 * builtins.c: Include value-prof.h.
15349 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
15350 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
15351 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
15352 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
15353 * profile.c (instrument_values): Add new counters.
15354 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
15356 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
15357 (tree_init_edge_profiler): Build new profilers.
15358 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
15359 (pass_tree_profile): Add dump.
15360 (tree_profile_hooks): Update.
15361 * Makefile.in (LIBGCOV): Add new constants.
15362 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
15363 __gcov_ior_profiler): New.
15364 * i386.md (movmem/setmem expanders): Add new optional arguments.
15366 2007-01-28 David Edelsohn <edelsohn@gnu.org>
15368 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
15370 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15372 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
15373 (tree_unswitch_single_loop): Pass eni_size_weights to
15374 tree_num_loop_insns.
15375 * tree-ssa-loop-manip.c: Include tree-inline.h.
15376 (can_unroll_loop_p): Pass eni_size_weights to
15377 tree_num_loop_insns.
15378 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
15379 Pass eni_size_weights to estimate_num_insns.
15380 * tree.h (init_inline_once): Export.
15381 * toplev.c (backend_init): Call init_inline_once.
15382 * cgraphunit.c (cgraph_process_new_functions,
15383 cgraph_analyze_function): Pass eni_inlining_weights to
15384 estimate_num_insns.
15385 * ipa-inline.c (compute_inline_parameters): Ditto.
15386 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
15387 to estimate_num_insns.
15388 (try_unroll_loop_completely): Pass eni_size_weights to
15389 tree_num_loop_insns.
15390 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
15391 ot estimate_num_insns.
15392 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
15393 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
15394 * tree-inline.c (eni_inlining_weights, eni_size_weights,
15395 eni_time_weights): New variables.
15396 (init_inline_once): Initialize them.
15397 (struct eni_data): Mew.
15398 (estimate_num_insns_1, estimate_num_insns): Use weights.
15399 * tree-inline.h (struct eni_weights_d): New.
15400 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
15401 (estimate_num_insns): Declaration changed.
15402 * cfgloop.h (tree_num_loop_insns): Declaration changed.
15403 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
15404 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
15406 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15408 * tree-data-ref.c (conflict_fn): Assert that the number of affine
15409 relations in the conflict function is valid.
15411 2007-01-27 Ian Lance Taylor <iant@google.com>
15413 * common.opt: Add fstrict-overflow.
15414 * opts.c (decode_options): Set flag_strict_overflow if -O2.
15415 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
15416 (TYPE_OVERFLOW_UNDEFINED): Define.
15417 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
15419 * tree.h (TYPE_TRAP_SIGNED): Don't define.
15420 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
15421 (fold_negate_expr): Likewise.
15422 (make_range): Likewise.
15423 (extract_muldiv_1): Likewise.
15424 (maybe_canonicalize_comparison): Likewise.
15425 (fold_comparison): Likewise.
15426 (fold_binary): Likewise.
15427 (tree_expr_nonnegative_p): Likewise.
15428 (tree_expr_nonzero_p): Likewise.
15429 * tree-vrp.c (compare_values): Likewise.
15430 (extract_range_from_binary_expr): Likewise.
15431 (extract_range_from_unary_expr): Likewise.
15432 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
15434 (nowrap_type_p): Likewise.
15435 * tree-scalar-evolution.c (simple_iv): Likewise.
15436 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
15437 (build_range_check): Likewise.
15438 (extract_muldiv_1): Likewise.
15439 (fold_comparison): Likewise.
15440 * tree-vrp.c (vrp_int_const_binop): Likewise.
15441 (extract_range_from_unary_expr): Likewise.
15442 * convert.c (convert_to_integer): Likewise.
15443 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
15444 (fold_comparison): Likewise.
15445 (fold_binary): Likewise.
15446 * optabs.c (optab_for_tree_code): Likewise.
15447 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
15448 * simplify-rtx.c (simplify_const_relational_operation): Check
15449 flag_strict_overflow and flag_trapv.
15450 (simplify_const_relational_operation): Likewise.
15451 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
15452 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
15455 2007-01-27 Roger Sayle <roger@eyesopen.com>
15457 * tree.c (tree_fold_gcd): Delete.
15458 * tree.h (tree_fold_gcd): Remove prototype.
15459 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
15460 test whether one constant integer is a multiple of another. Instead
15461 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
15462 * fold-const.c (multiple_of_p): We've determined both TOP and
15463 BOTTOM are integer constants so we can call int_const_binop directly
15464 instead of the more generic const_binop.
15466 2007-01-27 Roger Sayle <roger@eyesopen.com>
15468 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
15469 1*X check that the constant hasn't overflowed, to preserve the
15471 (round_up): Provide an efficient implementation when rouding-up an
15472 INTEGER_CST to a power-of-two.
15474 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15476 * doc/sourcebuild.texi: Add comma for clarity.
15477 * doc/extend.texi: Fix some typos.
15478 * doc/passes.texi: Likewise.
15479 * doc/cppinternals.texi: Likewise.
15480 * doc/c-tree.texi: Likewise.
15481 * doc/tree-ssa.texi: Likewise.
15482 * doc/install.texi: Likewise.
15484 2007-01-27 Jan Hubicka <jh@suse.cz>
15486 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
15487 (pass_sra): Do not require alias information.
15488 * passes.c (init_optimization_passes): Add SRA
15490 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
15492 * tracer.c (rest_of_handle_tracer): We already cleaned
15493 up the CFG in tracer() so don't do it here again.
15494 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
15495 cleanup_cfg here, either. And don't call renumber_insns.
15497 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
15498 and BB_HEAD are in the insn stream here. Instead make sure
15499 that BB_INSN is valid on all insns. Also, do check here that
15500 there are no pending branch predictions...
15501 (rtl_verify_flow_info): ...instead of doing it here. Checks
15502 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
15505 2007-01-26 Roger Sayle <roger@eyesopen.com>
15507 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
15508 function to simplify/factorize operand order canonicalization.
15509 (ix86_fixup_binary_operands): Reorganize using the above function.
15510 (ix86_binary_operator_ok): Likewise.
15512 2007-01-27 Jakub Jelinek <jakub@redhat.com>
15514 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
15515 file scope from optimize_attrs.
15516 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
15518 (optimize_attrs): Clear insn_code_values after freeing it.
15520 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15522 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
15523 a parts.base assignment.
15525 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15527 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
15528 (compute_subscript_distance, initialize_data_dependence_relation,
15529 finalize_ddr_dependent, analyze_ziv_subscript,
15530 analyze_siv_subscript_cst_affine,
15531 compute_overlap_steps_for_affine_univar,
15532 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
15533 analyze_siv_subscript, analyze_miv_subscript,
15534 analyze_overlapping_iterations, subscript_dependence_tester_1,
15535 compute_self_dependence, free_dependence_relation): Work
15536 with affine_fn instead of chrecs.
15537 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
15538 common_affine_function, affine_function_base,
15539 affine_function_constant_p, affine_fn_op, affine_fn_plus,
15540 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
15541 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
15542 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
15543 (all_chrecs_equal_p): Removed.
15544 * tree-data-ref.h (affine_fn, conflict_function): New types.
15545 (struct subscript): Change type of conflicting_iterations_in_a
15546 and conflicting_iterations_in_b.
15548 2007-01-26 Steve Ellcey <sje@cup.hp.com>
15551 * config/pa/pa.h (TARGET_HPUX_11): New.
15552 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
15553 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
15555 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
15556 Richard Guenther <rguenther@suse.de>
15558 * tree-ssa-structalias.c (solve_graph): Handle case
15559 we merged the variable to another.
15561 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15563 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
15566 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
15567 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
15569 2007-01-25 DJ Delorie <dj@redhat.com>
15571 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
15572 allow changes to modes which don't fit in those registers.
15574 * reload1.c (choose_reload_regs): Check for invalid subregs before
15575 computing their locations, not after.
15577 2007-01-25 Geoffrey Keating <geoffk@apple.com>
15580 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
15581 save Altivec registers in an eh_return function.
15582 (compute_vrsave_mask): Likewise.
15583 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
15584 for saving Altivec registers.
15585 (rs6000_emit_prologue): Don't allocate stack twice in
15586 eh_return function. Correct expected value of altivec_save_offset
15587 when using save_world. Describe save of R0 to stack when using
15588 save_world. Describe stack pointer adjustment when using
15589 save_world. Remove duplicated eh_return parameter register saving.
15590 Update sp_offset variable after save_world.
15591 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
15593 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
15594 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
15597 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15599 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
15601 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15604 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
15605 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
15607 2007-01-25 Richard Guenther <rguenther@suse.de>
15609 * doc/invoke.texi (-Wcoverage-mismatch): Document.
15610 * common.opt (-Wcoverage-mismatch): New warning option.
15611 * coverage.c (get_coverage_counts): Ignore coverage mismatch
15612 if -Wcoverage-mismatch is given.
15614 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
15616 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
15617 (ipcp_driver): Change to static definition.
15618 Add dumping of the ifunctions.
15619 (constant_val_insert): Remove unused parameter. Support for SSA.
15620 (ipcp_propagate_const): Support for SSA.
15621 (ipcp_profile_bb_print): Print only analyzed nodes.
15622 (ipcp_replace_map_create): Remove support for Fortran constant
15624 * ipa-prop.c (ipa_method_modify_stmt,
15625 ipa_callsite_compute_param): Support for SSA.
15626 * ipa-prop.h (ipcp_driver): Remove declaration.
15627 (IS_VALID_TREE_MAP_INDEX): Add define.
15629 2007-01-24 Geoffrey Keating <geoffk@apple.com>
15631 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
15633 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15635 PR middle-end/30447
15636 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
15637 constant argument to cabs and do it without checking for
15638 -funsafe-math-optimizations.
15640 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
15642 * c-common.h (RID_FIRST_CXX0X): New.
15643 (RID_LAST_CXX0X): New.
15644 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
15646 * c.opt (Wc++0x-compat): New.
15647 * doc/invoke.texi (-Wc++0x-compat): Document.
15649 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15651 * builtins.c (fold_builtin_carg): New.
15652 (fold_builtin_1): Use it.
15654 2007-01-24 Jan Hubicka <jh@suse.cz>
15656 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
15658 * ipa-inline.c (initial_insns, max_insns): Delete.
15659 (compute_max_insns): New function.
15660 (cgraph_decide_inlining_of_small_function): Use it; take minimal
15661 amount of insns as base for code growth.
15662 (cgraph_decide_inlining): Make initial_insns local; do not compute
15664 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
15665 * doc/invoke.texi (inline-unit-growth): Update docs.
15667 2007-01-24 Jakub Jelinek <jakub@redhat.com>
15669 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
15670 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
15671 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
15672 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
15673 for CPUs that have PTA_CX16 set.
15675 PR middle-end/27416
15676 * gimplify.c (omp_check_private): New function.
15677 (gimplify_scan_omp_clauses): Use it for
15678 firstprivate/lastprivate/reduction.
15680 PR middle-end/30494
15681 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
15682 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
15684 PR middle-end/30421
15685 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
15686 If lower_lastprivate_clauses emits some statements, append them
15687 to dlist rather than body_p and to body_p append an initializer.
15688 (lower_omp_for): Adjust caller.
15690 2007-01-24 Steve Ellcey <sje@cup.hp.com>
15692 * target.h (globalize_decl_name): New.
15693 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15694 * output.h (default_globalize_decl_name): New.
15695 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
15697 (globalize_decl): Ditto.
15698 (default_globalize_decl_name): New.
15699 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
15700 (ia64_handle_version_id_attribute): New.
15701 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15702 (ia64_asm_output_external): Use globalize_decl_name instead
15703 of globalize_label.
15704 * doc/extend.texi (version_id): New pragma.
15705 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
15707 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15709 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
15710 _uleb128_t and _Unwind_SWord with _sleb128_t.
15711 * unwind-dw2.c (extract_cie_info, execute_stack_op,
15712 execute_cfa_program, uw_frame_state_for, uw_update_context_1):
15714 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
15715 * unwind-pe.h (read_uleb128, read_sleb128,
15716 read_encoded_value_with_base): Likewise.
15717 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
15719 2007-01-24 Richard Guenther <rguenther@suse.de>
15721 * builtins.c (expand_builtin_cexpi): Get the fndecl
15722 for cexp in the correct way.
15724 2007-01-24 Jan Hubicka <jh@suse.cz>
15726 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
15729 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15731 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
15732 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
15733 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
15734 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
15735 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
15736 __SIZEOF_PTRDIFF_T__.
15737 * doc/cpp.texi: Documentation for the new builtin macros added.
15739 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
15741 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
15742 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
15743 instead of operands[2] to avoid access past the end of array.
15745 2007-01-24 Richard Sandiford <richard@codesourcery.com>
15747 * reload1.c (emit_reload_insns): Pass the reload register
15748 for a non-spill output reload through forget_old_reloads_1.
15750 2007-01-23 Joseph Myers <joseph@codesourcery.com>
15752 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
15753 _SOFT_DOUBLE if doubles use software floating-point.
15754 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
15755 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15756 * config/rs6000/darwin-ldouble.c: Also compile functions for
15757 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
15758 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15759 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
15760 commented-out long double override.
15761 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
15762 * config/rs6000/eabispe.h: Likewise.
15763 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
15764 long double for non-SPE.
15765 (rs6000_handle_option): Likewise.
15766 (invalid_e500_subreg): Disallow more subregs involding DImode,
15767 DFmode, TImode or TFmode.
15768 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
15770 (legitimate_lo_sum_address_p): Also check for TFmode for E500
15772 (rs6000_legitimize_address): Also handle TFmode for E500 double.
15773 (rs6000_legitimize_reload_address): Also handle TFmode for E500
15775 (rs6000_legitimate_address): Also check for TFmode for E500
15777 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
15778 (spe_build_register_parallel): Handle TFmode and TCmode.
15779 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
15781 (function_arg): Handle TFmode and TCmode for E500 double.
15782 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
15784 (print_operand): Handle TFmode and TImode for %y.
15785 (rs6000_generate_compare): Handle TFmode comparisons for E500
15787 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
15788 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
15789 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
15790 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
15791 TFmode for E500 double.
15792 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
15793 (floatsidf2): Enable for E500 double.
15794 (movtf_softfloat): Use rs6000_nonimmediate_operand.
15795 (extenddftf2): Change to extenddftf2_fprs.
15796 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
15797 depending on TARGET_E500_DOUBLE.
15798 (extendsftf2): Enable for E500 double.
15799 (trunctfdf2): Enable for E500 double.
15800 (trunctfsf2): Change to trunctfsf2_fprs.
15801 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
15802 depending on TARGET_E500_DOUBLE.
15803 (floatsitf2): Enable for E500 double.
15804 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
15805 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
15806 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
15807 (negtf2): Change to negtf2_internal.
15808 (negtf2): New expander.
15809 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
15810 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
15811 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
15812 (movdi_internal32): Use rs6000_nonimmediate_operand.
15813 (unnamed splitter): Likewise.
15814 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
15815 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
15816 (SPE64TF, DITI): New mode macros.
15817 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
15820 (frob_<mode>_di_2): New.
15821 (frob_tf_di_8_2): New.
15822 (frob_di_df): Change to frob_di_<mode>; allow more modes.
15824 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
15826 (frob_ti_<mode>_8_2): New.
15827 (frob_ti_tf_2): New.
15828 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
15829 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
15831 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
15832 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
15833 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
15834 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
15835 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
15836 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
15839 2007-01-23 Ian Lance Taylor <iant@google.com>
15841 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
15843 (OBJS-archive): Reformat, alphabetize.
15844 (OBJS): Change out_object_file to OBJS-md.
15846 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
15848 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
15849 JUMP_P and CALL_P predicates where applicable.
15850 * config/i386/i386.c: Ditto.
15851 * config/i386/i386.md: Ditto.
15852 * config/i386/mmx.md: Ditto.
15853 * config/i386/predicates.md: Ditto.
15855 2007-01-22 Andreas Schwab <schwab@suse.de>
15857 * config/m68k/m68k.h: Fix comment.
15859 2007-01-22 Jan Hubicka <jh@suse.cz>
15861 * passes.c (init_optimization_passes): Do not rerun
15862 pass_early_warn_uninitialized.
15864 2007-01-22 Richard Guenther <rguenther@suse.de>
15866 PR tree-optimization/30038
15867 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
15869 (execute_cse_sincos_1): Likewise.
15870 (execute_cse_sincos): Likewise.
15871 (gate_cse_sincos): Likewise.
15872 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
15873 the cexpi() canonicalization of sincos().
15874 * tree-pass.h (pass_cse_sincos): Declare.
15875 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
15877 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15879 PR rtl-optimization/29329
15880 * combine.c (replaced_rhs_insn): Rename to i2mod.
15881 (replaced_rhs_value): Rename to i2mod_new_rhs.
15882 (i2mod_old_rhs): New global variable.
15883 (combine_instructions): Adjust for above change. Save a copy of
15884 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
15885 note are substituted in the second instruction.
15886 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
15887 ditch the note if it pertains to the second eliminated register
15888 and this register is mentioned in i2mod_old_rhs.
15891 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
15893 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
15894 the insn to which the note was originally attached.
15896 2007-01-21 Jan Hubicka <jh@suse.cz>
15898 * ipa-inline.c (inlining_mode): Comment, move up.
15899 (cgraph_decide_inlining_incrementally): Do not perform inlining
15900 itself; fix handling of flattening of self recursive functions.
15901 (cgraph_find_cycles): Remove.
15902 (cgraph_flatten_node): Remove.
15903 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
15904 (try_inline): New function.
15905 (cgraph_early_inlining): Update call of
15906 cgraph_decide_inlining_incrementally. Apply inlining here.
15907 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
15909 2007-01-21 Dirk Mueller <dmueller@suse.de>
15912 * tree-vrp.c (check_array_bounds): do not warn
15913 about ADDR_EXPR's of ARRAY_REF's which are immediately
15914 used in binary expressions.
15916 2007-01-21 Ira Rosen <irar@il.ibm.com>
15918 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
15919 read_write_dep and macros for its access.
15920 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
15921 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
15922 argument, call vect_check_interleaving for every independent pair of
15923 data-refs. Mark loads that access the same memory location as a store
15925 (vect_check_dependences): Remove.
15926 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
15927 call, fix the call to vect_analyze_data_ref_dependence.
15928 (vect_analyze_data_ref_access): For statements that access the same
15929 data-ref, check that they are not stores; for loads, check that there
15930 is no store that access the same location.
15932 2007-01-20 Roger Sayle <roger@eyesopen.com>
15933 Joseph Myers <joseph@codesourcery.com>
15935 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
15936 (-fdump-rtl-stack): Likewise.
15937 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
15938 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
15939 (-mpt-fixed): Use @minus{} for minus sign.
15940 (Using Precompiled Headers): Fix under/overfull hbox.
15942 2007-01-20 Jan Hubicka <jh@suse.cz>
15944 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
15945 place within annotation.
15947 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15949 * pa.c (output_move_double): Change array size of xoperands to 4.
15951 2007-01-20 Jan Hubicka <jh@suse.cz>
15953 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
15956 2007-01-19 Ian Lance Taylor <iant@google.com>
15958 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
15959 constant to unsigned HOST_WIDE_INT before negating.
15961 2007-01-19 Ian Lance Taylor <iant@google.com>
15963 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
15965 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
15966 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15967 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
15968 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
15969 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15970 (realloc_vdef, realloc_vuse): Change second parameter to
15972 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
15973 fields to unsigned.
15974 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
15975 unsigned. Change x and lim locals to unsigned.
15976 (realloc_vdef, realloc_vuse): Change num_elem parameter to
15978 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
15979 (copy_virtual_operands): Change i and n locals to unsigned.
15981 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15983 PR middle-end/29335
15984 * builtins.c (fold_builtin_1): Handle builtin fdim.
15986 2007-01-20 Jan Hubicka <jh@suse.cz>
15988 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
15989 * tree-ssa-structalias.c (compute_points_to_sets): Do call
15990 init_alias_heapvars.
15991 (init_alias_heapvars): Initialize only when not already initialized.
15992 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
15994 2007-01-19 Roger Sayle <roger@eyesopen.com>
15996 * common.opt (fsigned-zeros): New command line option.
15997 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
15998 of flag_unsafe_math_optimizations.
15999 * opts.c (set_fast_math_flags): The -ffast-math command line option
16000 implies -fno-signed-zeros.
16001 (fast_math_flags_set_p): Likewise.
16003 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
16004 the documentation of -ffast-math appropriately. Wrap long lines.
16006 2007-01-19 Steve Ellcey <sje@cup.hp.com>
16008 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
16009 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
16011 2007-01-19 Tomas Bily <tbily@suse.cz>
16013 * cgraphunit.c (cgraph_finalize_function): Updating of pid
16015 (tree_init_ic_make_global_vars): New function
16016 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
16017 (tree_gen_ic_profiler): New function
16018 (tree_gen_ic_func_profiler): New function
16019 (tree_profiling): Added calling of tree_gen_ic_func_profiler
16020 (tree_profile_hooks): Added hook for indirec/virtual calls
16021 * value-prof.c (tree_find_values_to_profile): New case for
16023 (tree_values_to_profile): Call for determining indirect/virtual
16025 (tree_indirect_call_to_profile): New function
16026 (tree_ic_transform): New function
16027 (tree_ic): New function
16028 (find_func_by_pid): New function
16029 (init_pid_map): New function
16030 (tree_value_profile_transformations): Added check for
16031 indirect/virtual call transformation
16032 * value-prof.h (enum hist_type): New counter type for
16033 indirect/virtual calls
16034 (profile_hooks): Added new hook for profiling indirect/virtual
16036 * profile.c (instrument_values): New case for indirect/virtual
16038 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
16039 (GCOV_COUNTER_V_INDIR): New counter type
16040 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
16041 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
16043 * cgraph.c: Definition of cgraph_max_pid
16044 (cgraph_create_node): Default init of pid attribute
16045 * cgraph.h: Declaration of cgraph_max_pid
16046 (struct cgraph_node): Added pid attribute
16047 * libgcov.c (__gcov_indirect_call_profiler): New function
16048 (__gcov_one_value_profiler_body): New function
16049 (__gcov_one_value_profiler): Body was moved to
16050 __gcov_one_value_profiler_body and calls it
16052 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
16054 * doc/gty.texi (Options): Document the mark_hook option to GTY.
16055 * gengtype.c (write_types_data, write_func_for_structure,
16056 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
16057 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
16058 (walk_type, write_func_for_structure): Generate the mark_hook if
16061 2007-01-19 Jan Hubicka <jh@suse.cz>
16063 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
16064 'early' argument take inlining mode argument specifying whether to
16065 inline for size/speeed or all functions; add support for flattening;
16067 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
16069 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
16072 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
16073 the name of the declared identifier.
16075 2007-01-19 Dirk Mueller <dmueller@suse.de>
16077 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
16078 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
16079 duplicate evaluation.
16081 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
16083 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
16084 Macroize expander using X87MODEF12 mode macro. Extend operand 1
16085 to XFMode, use acosxf2 and truncate result to requested mode.
16086 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16087 (asin<mode>2): Similarly, with asin expanders.
16088 (*fscalexf4_i387): Rename from *fscalexf4.
16089 (expNcorexf3): New expander.
16090 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
16091 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
16092 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
16093 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
16094 patterns for SSE math.
16095 (exp10<mode>2): Similarly, with exp10 expanders.
16096 (exp2<mode>2): Similarly, with exp2 expanders.
16097 (expm1<mode>2): Similarly, with expm1 expanders.
16098 (ldexp<mode>3): Similarly, with ldexp expanders.
16099 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
16100 Use gen_truncxf<mode>2_i387_noop to truncate result.
16102 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16104 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
16105 for ColdFire targets.
16107 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
16108 Richard Sandiford <richard@codesourcery.com>
16110 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
16111 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
16112 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
16113 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
16114 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
16115 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
16117 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16119 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
16120 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
16121 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
16122 (*adddi_dilshr32_cf): New pattern.
16123 (adddi3, subdi3): Remove first alternatives.
16125 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16127 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
16128 implemented using move.l, do not use its cc result for floating-point
16131 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16133 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
16134 from accepting 's' constraints if flag_pic.
16136 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16138 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
16139 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
16140 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
16141 condition from TARGET_68881 to TARGET_HARD_FLOAT.
16143 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
16145 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
16146 ColdFire alternatives.
16147 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
16148 * config/m68k/m68k.md (clzsi2): Define for ColdFire
16149 architectures that support ff1 instruction.
16151 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16152 Julian Brown <julian@codesourcery.com>
16154 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
16155 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
16156 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
16159 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16161 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
16163 (output_move_const_into_data_reg, output_move_simode_const): Delete.
16164 * config/m68k/m68k.c (const_method, const_int_cost): Take a
16165 HOST_WIDE_INT instead of an rtx.
16166 (m68k_rtx_costs): Update call accordingly.
16167 (output_move_const_into_data_reg): Likewise. Fix formatting.
16168 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
16170 (output_move_simode_const): Update calls after above changes.
16171 Rework to use automatic variables and predicates like MEM_P.
16172 * config/m68k/m68k.md (pushexthisi_const): Update call to
16175 2007-01-19 Dirk Mueller <dmueller@suse.de>
16177 * tree-ssa-alias.c (perform_var_substitution): Fix typo
16178 in dump_flags test.
16180 2007-01-19 Richard Guenther <rguenther@suse.de>
16182 * builtins.c (expand_builtin_cexpi): Fall back to expanding
16183 via cexp in case sincos is not available.
16185 2007-01-19 Richard Guenther <rguenther@suse.de>
16187 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
16188 * defaults.h (TARGET_HAS_SINCOS): Default to off.
16189 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
16190 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
16191 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
16192 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
16193 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
16194 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
16196 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
16198 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
16200 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
16201 (atan2xf3): Directly generate RTL pattern.
16202 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
16203 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16204 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16205 disable patterns for SSE math.
16206 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
16207 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16208 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16209 disable patterns for SSE math.
16211 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
16213 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
16215 2007-01-18 Roger Sayle <roger@eyesopen.com>
16217 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
16218 VIEW_CONVERT_EXPR to the same type as it's operand.
16220 2007-01-18 David Edelsohn <edelsohn@gnu.org>
16222 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
16223 configured for long double 128.
16225 2007-01-18 Mike Stump <mrs@apple.com>
16227 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
16230 2007-01-18 Michael Meissner <michael.meissner@amd.com>
16232 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
16235 2007-01-18 Jan Hubicka <jh@suse.cz>
16237 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
16238 greater than NUM_VOP_FREE_BUCKETS.
16240 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
16242 * tree-ssa-structalias.c: Update comments.
16243 (ptabitmap_obstack): Removed.
16244 (pta_obstack): New.
16245 (oldpta_obstack): Ditto.
16246 (stats): Add a few members.
16247 (struct variable_info): Remove node, complex, address_taken, and
16248 indirect_target members. Add oldsolution member.
16249 (new_var_info): Do not initialize removed members.
16250 (constraint_expr_type): Remove INCLUDES.
16251 (constraint_graph): Add size, implicit_preds, rep,
16252 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
16253 (FIRST_REF_NODE): New macro.
16254 (LAST_REF_NODE): Ditto.
16255 (FIRST_ADDR_NODE): Ditto.
16256 (find): New function.
16258 (dump_constraint): Do not handle INCLUDES.
16259 (insert_into_complex): Do not insert duplicate constraints.
16260 (condense_varmap_nodes): Renamed and rewritten into ...
16261 (merge_node_constraints): This. Also fix bug in handling of
16262 offseted copy constraints.
16263 (clear_edges_for_node): No longer need to deal with preds at all,
16264 or removing associated preds/succs.
16265 (merge_graph_nodes): Deal with indirect_cycles.
16266 Don't deal with predecessors.
16267 (add_implicit_graph_edge): New function.
16268 (add_pred_graph_edge): Ditto.
16269 (add_graph_edge): Don't deal with predecessors.
16270 (build_constraint_graph): Removed.
16271 (build_pred_graph): New function.
16272 (build_succ_graph): Ditto.
16273 (struct scc_info): Removed in_component. Added roots, dfs, and
16274 node_mapping. Remove visited_index, unification_queue.
16275 (scc_visit): Deal with union-find we do now.
16276 Deal with cycles with REF nodes.
16277 (collapse_nodes): Renamed and rewritten to ...
16278 (unify_nodes): This.
16279 (process_unification_queue): Removed.
16280 (topo_visit): Cleanup
16281 (do_da_constraint): Use find.
16282 (do_sd_constraint): Ditto.
16283 (do_ds_constraint): Ditto.
16284 (do_complex_constraint): Ditto.
16285 (init_scc_info): Update for removed and added members.
16286 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
16287 (find_indirect_cycles): This.
16288 (equivalence_class): New variable.
16289 (label_visit): New function.
16290 (perform_variable_substitution): Rewritten.
16291 (free_var_substitution_info): New function.
16292 (find_equivalent_node): Ditto.
16293 (move_complex_constraints): Ditto.
16294 (eliminate_indirect_cycles): Ditto.
16295 (solve_graph): Only propagate changed bits.
16296 Use indirect cycle elimination.
16298 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
16299 (tree_id_eq): Renamed to ...
16300 (tree_vi_eq): This. Update for member change
16301 (insert_id_for_tree): Renamed and rewritten to ...
16302 (insert_vi_for_tree): This.
16303 (lookup_id_for_tree): Renamed and rewritten to ...
16304 (lookup_vi_for_tree): This.
16305 (get_id_for_tree): Renamed and rewritten to ...
16306 (get_vi_for_tree): Ditto.
16307 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
16308 (process_constraint): Don't handle INCLUDES.
16309 Remove special ADDRESSOF case.
16310 (find_func_aliases): Rewrite to use vi functions instead of id
16312 (create_function_info_for): Ditto.
16313 (create_variable_info_for): Ditto.
16314 (intra_create_variable_infos): Ditto.
16315 (merge_smts_into): Ditto.
16316 (find_what_p_points_to): Ditto.
16317 (init_base_vars): Ditto.
16318 (init_alias_vars): Ditto.
16319 (remove_preds_and_fake_succs): New function.
16320 (dump_sa_points_to_info): Dump new stats.
16321 (dump_solution_for_var): Use find.
16322 (set_used_smts): Fix formatting.
16323 (compute_points_to_sets): Updated for new functions.
16324 (ipa_pta_execute): Ditto.
16326 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16327 Richard Sandiford <richard@codesourcery.com>
16329 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
16331 * calls.c (expand_call): If the return value is a PARALLEL,
16332 extract its first member.
16333 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
16334 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16335 use FUNCTION_EXTRA_EPILOGUE.
16336 (m68k_function_value): Return a PARALLEL if the return value
16337 is of a pointer type.
16338 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
16339 (FUNCTION_EXTRA_EPILOGUE): Remove.
16340 * config/m68k/m68k.md (D0_REG): New constant.
16342 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16344 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16345 output a NOP for empty epilogues.
16347 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16349 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
16350 before function. Extend register save check to include all
16351 registers, not just integer ones.
16353 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16355 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
16356 (m68k_use_return_insn): ...this.
16357 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
16358 * config/m68k/m68k.c (use_return_insn): Rename to...
16359 (m68k_use_return_insn): ...this.
16360 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
16361 of USE_RETURN_INSN.
16363 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16365 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
16366 nearest even, fix denormal rounding overflow.
16368 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16370 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
16371 f%$smove and f%$move.
16372 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
16373 (extendsfdf2_cf): Use fdmove instead of f%&move.
16374 (truncdfsf2_cf): Use fsmove instead of f%$smove.
16375 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
16377 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16379 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
16382 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16384 * real.h (real_format): Add a canonical_nan_lsbs_set field.
16385 (coldfire_single_format): Declare.
16386 (coldfire_double_format): Likewise.
16387 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
16388 of qnan_msb_set to determine the lower bits of a canonical
16390 (encode_ieee_double): Likewise.
16391 (encode_ieee_quad): Likewise.
16392 (ieee_single_format): Initialize canonical_nan_lsbs_set.
16393 (mips_single_format): Likewise.
16394 (ieee_double_format): Likewise.
16395 (mips_double_format): Likewise.
16396 (ieee_extended_motorola_format): Likewise.
16397 (ieee_extended_intel_96_format): Likewise.
16398 (ieee_extended_intel_128_format): Likewise.
16399 (ieee_extended_intel_96_round_53_format): Likewise.
16400 (ibm_extended_format): Likewise.
16401 (mips_extended_format): Likewise.
16402 (ieee_quad_format): Likewise.
16403 (mips_quad_format): Likewise.
16404 (vax_f_format): Likewise.
16405 (vax_d_format): Likewise.
16406 (vax_g_format): Likewise.
16407 (i370_single_format): Likewise.
16408 (i370_double_format): Likewise.
16409 (decimal_single_format): Likewise.
16410 (decimal_double_format): Likewise.
16411 (decimal_quad_format): Likewise.
16412 (c4x_single_format): Likewise.
16413 (c4x_extended_format): Likewise.
16414 (real_internal_format): Likewise.
16415 (coldfire_single_format): New real_format.
16416 (coldfire_double_format): Likewise.
16417 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
16418 canonical_nan_lsbs_set.
16419 (pdp11_d_format): Likewise.
16420 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
16421 if TARGET_COLDFIRE_CPU.
16423 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16425 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
16426 (output_call, m68k_legitimize_call_address): Declare.
16427 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
16428 parenthesees. Add support for a 'W' constraint.
16429 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
16430 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
16431 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
16432 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
16434 (override_options): Initialize them. Do not set flag_no_function_cse
16435 for TARGET_ID_SHARED_LIBRARY.
16436 (m68k_output_pic_call): Delete.
16437 (m68k_legitimize_call_address): New function.
16438 (print_operand): Remove the %o prefix. Handle the %p prefix.
16439 (output_call): New function.
16440 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
16441 target address from the GOT if symbolic jumps are not allowed.
16442 * config/m68k/m68k.md (call, general_operand): Do not set
16443 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
16444 Merge separate flag_pic and !flag_pic define_insns into...
16445 (*call, *call_value): ...these new patterns. Match the address
16446 rather than the containing MEM and require it to be a call_operand.
16447 Use output_call to generate the asm template.
16448 * config/m68k/predicates.md (const_call_operand): New predicate.
16449 (call_operand): Likewise.
16451 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16453 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
16454 (STACK_GROWS_DOWNWARD): Define to 1.
16455 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
16456 comments, emphasizing that these values are only defaults.
16457 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
16458 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
16460 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16462 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
16464 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16465 Richard Sandiford <richard@codesourcery.com>
16467 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
16468 (FP_REGNO_P): New macros.
16469 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
16470 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
16471 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
16472 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
16474 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16476 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16477 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
16479 * config/m68k/t-floatlib: New file, extracting common code from...
16480 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
16481 * config/m68k/t-uclinux: Here.
16482 * config/m68k/fpgnulib.c: Do not compile extendeed precision
16483 routines on ColdFire targets.
16485 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16487 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16488 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
16489 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
16490 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
16491 explicitly set MOTOROLA to 1.
16492 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
16494 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16495 Nathan Sidwell <nathan@codesourcery.com>
16497 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
16498 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
16499 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
16500 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
16501 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
16502 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
16503 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
16504 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
16505 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
16506 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16507 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
16508 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
16509 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
16510 (DBX_REGISTER_NUMBER): Delete.
16511 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
16512 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16513 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
16515 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16517 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
16518 * config/flat.h: New file.
16519 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
16520 OBJECT_FORMAT_FLAT.
16521 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
16522 indirect references for -msep-data or -mid-shared-library.
16523 Do not use PC-relative code addresses either.
16524 * config/m68k/m68k.c (override_options): Restrict -fPIC error
16526 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
16527 for shared libraries and crt1.o for executables. Use crti.o and
16529 (ENDFILE_SPEC): Use crtend.o and crtn.o.
16530 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
16531 Do not add -elf2flt or -shared-lib-id options here.
16532 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
16533 Pass -shared-lib-id if -mid-shared-library, taking the library
16534 identifier from -mshared-library-id if given, otherwise
16536 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
16537 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
16538 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
16539 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
16540 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
16541 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
16543 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
16544 jump sequence for ISA A and ISA A+.
16545 (PICJUMP): Likewise.
16547 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16549 * config.gcc (m68k-*-uclinux*): Base the port on the common
16550 and m68k GNU/Linux files rather than on the generic ELF ones.
16551 * config/m68k/uclinux.h (TARGET_VERSION): Override.
16552 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
16554 2007-01-18 Julian Brown <julian@codesourcery.com>
16555 Richard Sandiford <richard@codesourcery.com>
16557 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
16558 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16559 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
16561 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
16562 80 unconditionally.
16563 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16565 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16567 * doc/install.texi: Document m68k-uclinuxoldabi.
16568 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
16569 * config/m68k/uclinux-oldabi.h: New file, copied from
16570 config/m68k/uclinux.h.
16572 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
16574 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
16575 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
16576 (m32r_compute_frame_size): Use unsigned for regno.
16577 (m32r_reload_lr): Use gen_frame_mem.
16579 (m32r_output_function_epilogue): Don't output the function epilogue
16581 (m32r_expand_epilogue): New.
16582 (direct_return): Return false if the function has the interrupt
16584 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
16585 * config/m32r/m32r.md (epilogue): New expander.
16586 (return_lr, return_rte): New insns.
16587 (return): Make it expander.
16588 (return_normal): New expander.
16590 2007-01-18 Josh Conner <jconner@apple.com>
16593 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
16594 support for UNLE, UNLT, UNGE, and UNGT.
16596 2007-01-18 Jan Hubicka <jh@suse.cz>
16598 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
16599 * tree-tailcall (add_virtual_phis): Likewise.
16600 (optimize_tail_call): Return TODOs.
16601 (execute_tail_calls): Return TODOs.
16602 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
16603 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
16605 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
16606 Cleanup cfg using TODO.
16607 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
16608 * passes.c (execute_function_todo): When cleanup did something, remove
16610 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
16611 (make_edges): Don't cleanup_cfg.
16613 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
16615 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
16616 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
16617 operate on the top of stack.
16618 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
16619 register handling of instructions that output to the second
16621 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
16622 (move_for_stack_reg): Special-case check for dead destination
16623 stack slot for constant load of 1.0 inside UNSPEC_TAN.
16625 * config/i386/i386.md (UNSPEC_TAN): New constant.
16626 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
16627 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
16628 to correctly model move of constant 1.0 to top stack slot.
16629 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
16630 (unnamed peephole2 pattern): Remove corresponding peephole2
16631 pattern that optimizes tan insn and loading of constant 1.0.
16632 (tanxf2): Use fptanxf4_i387.
16633 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
16634 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
16635 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16636 disable patterns for SSE math.
16637 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
16638 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
16640 2007-01-18 Dirk Mueller <dmueller@suse.de>
16641 Richard Guenther <rguenther@suse.de>
16644 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
16645 * common.opt (Warray-bounds): Add new warning option.
16646 * c-opts.c (c_common_handle_option): Define -Warray-bounds
16648 * Makefile.in: make tree-vrp.o depend on toplev.h
16649 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
16651 (check_array_refs, check_array_bounds, check_array_ref): New.
16653 2007-01-18 Jan Hubicka <jh@suse.cz>
16655 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
16656 (execute_ssa_ccp): Return flags conditionally.
16657 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
16659 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
16661 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
16663 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
16664 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
16666 * Makefile.c (GTFILES): Add cfglayout.h.
16667 * gengtype.c (open_base_files): Likewise.
16668 * cfglayout.c (cfg_layout_function_footer,
16669 cfg_layout_function_header) Reindent to make gengtype happy.
16670 * cfglayout.h (cfg_layout_function_footer,
16671 cfg_layout_function_header): Add GTY(()) marker.
16673 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
16675 2007-01-18 Ben Elliston <bje@au.ibm.com>
16677 * genautomata.c (write_automata): Include xstrerror output in the
16678 error message if writing the DFA description file fails.
16680 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
16682 * config/mips/mips-protos.h (mips_output_external): Make it
16684 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
16685 * config/mips/mips.c (irix_output_external_libcall): Likewise.
16686 (extern_list): Likewise.
16687 (extern_head): Likewise.
16688 (TARGET_ASM_FILE_END): Likewise.
16689 (mips_file_end): Likewise.
16690 (mips_output_external): Rewritten.
16692 2007-01-18 Ben Elliston <bje@au.ibm.com>
16694 * genpreds.c (write_insn_preds_c): Only write out the function
16695 body for regclass_for_constraint if we have register constraints.
16697 2007-01-17 Tom Tromey <tromey@redhat.com>
16699 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
16700 * doc/install.texi (Testing): Use sourceware.org.
16701 (Binaries): Likewise.
16702 (Specific): Likewise.
16703 * doc/contrib.texi (Contributors): Use sourceware.org.
16705 2007-01-17 Anatoly Sokolov <aesok@post.ru>
16707 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
16708 (AVR_ENHANCED): Rename to ...
16709 (AVR_HAVE_MUL): ... new.
16710 (avr_enhanced_p): Rename to ...
16711 (avr_have_mul_p): ... new.
16712 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
16713 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
16714 * config/avr/avr.c (avr_enhanced_p): Rename to ...
16715 (avr_have_mul_p): ... new.
16716 (base_arch_s): Rename 'enhanced' to 'have_mul'.
16717 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
16718 'avr_enhanced_p' and 'enhanced'.
16719 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
16720 AVR_HAVE_MUL instead of AVR_ENHANCED.
16721 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16722 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
16723 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
16724 instead of AVR_ENHANCED.
16725 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16726 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
16727 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
16729 2007-01-17 Ian Lance Taylor <iant@google.com>
16731 * vec.h (VEC_reserve_exact): Define.
16732 (vec_gc_p_reserve_exact): Declare.
16733 (vec_gc_o_reserve_exact): Declare.
16734 (vec_heap_p_reserve_exact): Declare.
16735 (vec_heap_o_reserve_exact): Declare.
16736 (VEC_OP (T,A,reserve_exact)): New static inline function, three
16738 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
16739 negative parameter.
16740 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
16741 (VEC_OP (T,A,copy)) [all versions]: Likewise.
16742 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
16743 * vec.c (calculate_allocation): Add exact parameter. Change all
16745 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
16746 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
16747 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
16748 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
16749 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
16750 (vec_heap_p_reserve_exact): New function.
16751 (vec_heap_o_reserve_exact): New function.
16753 2007-01-17 Jan Hubicka <jh@suse.cz>
16755 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
16757 2007-01-17 Eric Christopher <echristo@apple.com>
16759 * config.gcc: Support core2 processor.
16761 2007-01-16 Jan Hubicka <jh@suse.cz>
16763 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
16764 the names, just unlink the chain so we don't crash on dangling
16768 2007-01-16 Jan Hubicka <jh@suse.cz>
16770 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
16771 * tree-pass.h: Reorder to make IPA passes appear toegher.
16772 (pass_early_inline, pass_inline_parameters, pass_apply_inline):
16774 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
16775 parameters, do not call early inliner.
16776 * ipa-inline.c: Update comments. Include tree-flow.h
16777 (cgraph_decide_inlining): Do not compute inlining parameters.
16778 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
16779 be called with function context set up.
16780 (pass_ipa_inline): Remove unreachable functions before pass.
16781 (cgraph_early_inlining): Simplify assuming to be called from the
16783 (pass_early_inline): New pass.
16784 (cgraph_gate_ipa_early_inlining): New gate.
16785 (pass_ipa_early_inline): Turn into simple wrapper.
16786 (compute_inline_parameters): New function.
16787 (gate_inline_passes): New gate.
16788 (pass_inline_parameters): New pass.
16789 (apply_inline): Move here from tree-optimize.c
16790 (pass_apply_inline): New pass.
16791 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
16793 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
16794 doing them by hand.
16795 (tree_function_versioning): Do not allocate dummy struct function.
16796 * tree-inline.h (optimize_inline_calls): Update prototype.
16797 * tree-optimize.c (execute_fixup_cfg): Export.
16798 (pass_fixup_cfg): Remove
16799 (tree_rest_of_compilation): Do not apply inlines.
16800 * tree-flow.h (execute_fixup_cfg): Declare.
16801 * Makefile.in (gt-passes.c): New.
16802 * passes.c: Include gt-passes.h
16803 (init_optimization_passes): New passes.
16804 (nnodes, order): New static vars.
16805 (do_per_function_toporder): New function.
16806 (execute_one_pass): Dump current pass here.
16807 (execute_ipa_pass_list): Don't dump current pass here.
16809 2007-01-16 Janis Johnson <janis187@us.ibm.com>
16811 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
16812 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
16814 2007-01-16 David Edelsohn <edelsohn@gnu.org>
16816 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
16817 (strong_alias): Define.
16818 (__gcc_qmul): Provide non-FMA for soft-float.
16819 (__gcc_qdiv): Same.
16824 (__gcc_qunord): New.
16834 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
16835 soft-float functions.
16836 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
16837 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
16838 about long double soft float.
16840 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
16841 Tehila Meyzels <tehila@il.ibm.com>
16843 * tree-vectorizer.h (is_pattern_stmt_p): New.
16844 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
16845 formatting (tabs instead of spaces). Cleanup and clarify setting
16846 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
16847 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
16848 (vectorizable_type_demotion): Check that types are integral.
16849 (vectorizable_type_promotion): Likewise.
16850 (vectorizable_store): Fix typo. Eliminate new-line at end of
16853 2007-01-16 Jan Hubicka <jh@suse.cz>
16855 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
16858 2007-01-15 Eric Christopher <echristo@apple.com>
16860 * ifcvt.c: Include vec.h, vecprim.h.
16861 (check_cond_move_block): New argument regs.
16862 Reorganize. Add registers used to regs.
16863 (cond_move_process_if_block): Use regs set above as
16866 2007-01-15 Eric Christopher <echristo@apple.com>
16868 * config/darwin.h: Update copyright.
16869 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
16870 (LINK_COMMAND_SPEC): Add -u.
16871 (LINK_SPEC): Fix umbrella for above.
16873 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
16875 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
16878 2007-01-15 Tom Tromey <tromey@redhat.com>
16880 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
16881 * doc/install.texi (Testing): Don't mention jacks.
16882 (Configuration): Document --enable-java-maintainer-mode. Move
16883 --with-java-home to libgcj-specific section. Document
16885 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
16887 2007-01-15 Jan Hubicka <jh@suse.cz>
16889 * tree-ssa-dce.c (DCE_TODOs): New.
16890 (propagate_necessity): Return if something changed.
16891 (eliminate_unnecessary_stmts): Likewise.
16892 (perform_tree_ssa_dce): Return TODO flags when needed.
16893 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
16895 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
16897 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
16898 (fyl2x_extend<mode>xf3_i387): New insn pattern.
16899 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
16900 patterns using X87MODEF12 mode macro. Extend operand 1
16901 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16902 (log10<mode>2): Ditto.
16903 (log2<mode>2): Ditto.
16904 (log1p<mode>2): Ditto.
16905 (logb<mode>2): Ditto.
16906 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
16907 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
16908 (*fxtractxf3_i387): Rename from *fxtractxf3.
16909 (fxtract_extend<mode>xf3_i387): New insn pattern.
16910 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
16911 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
16912 and gen_fyl2xxf3_i387().
16914 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16916 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
16917 * cfgloopmanip.c (fix_loop_placement): Made static. Use
16918 get_loop_exit_edges. Changed return type to bool.
16919 * cfgloop.h (fix_loop_placement): Declaration removed.
16921 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
16923 * param.h (MIN_VECT_LOOP_BOUND): New.
16924 * params.def (MIN_VECT_LOOP_BOUND): New.
16925 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
16926 argument - minimum threshold for number of iterations.
16927 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
16928 argument to declaration.
16929 * tree-vect-analyze.c (vect_analyze_operations): Check value of
16930 MIN_VECT_LOOP_BOUND.
16931 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
16932 slpeel_tree_peel_loop_to_edge with additional argument.
16933 (vect_do_peeling_for_alignment): Likewise.
16934 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
16936 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
16939 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
16940 operands of size 1.
16942 2007-01-14 Jan Hubicka <jh@suse.cz>
16944 * tree-dfa.c (remove_referenced_var): New function.
16945 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
16946 prune referenced vars list too.
16947 * tree-flow.h (remove_referenced_var): Declare.
16949 2007-01-14 Jan Hubicka <jh@suse.cz>
16951 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
16953 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
16954 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
16955 * except.h (verify_eh_throw_table_statements): Kill prototype.
16956 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
16957 into call exrepssions.
16958 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
16960 * tree-cfg.c: Include pointer-set.h.
16961 (verify_node_sharing): Work on pointer set.
16962 (verify_eh_throw_stmt_node): New.
16963 (verify_stmts): Use pointers sets, verify throw_stmt.
16965 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
16967 * ipa-reference.c (analyze_function): Consider also addresses taken
16970 2007-01-12 Roger Sayle <roger@eyesopen.com>
16972 * c-typeck.c (null_pointer_constant_p): Replace use of
16973 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16974 (build_c_cast): Likewise.
16976 2007-01-12 Roger Sayle <roger@eyesopen.com>
16978 * tree.h (force_fit_type_double): Remove unused final argument.
16979 * c-common.c (constant_expression_warning): Replace use of
16980 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16981 (convert_and_check): Likewise.
16982 (shorten_compare): Update call to force_fit_type_double.
16983 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
16984 * convert.c (convert_to_pointer): Update call to
16985 force_fit_type_double.
16986 * fold-const.c (force_fit_type_double): Remove overflowed_const
16988 (int_const_binop, fold_convert_const_int_from_int,
16989 fold_convert_const_int_from_real, fold_div_compare,
16990 fold_sign_changed_comparison, fold_unary, fold_negate_const,
16991 fold_abs_const, fold_not_const): Remove the final argument from
16992 calls to force_fit_type_double.
16994 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
16996 * configure.ac: Set insn to "nop" for spu-*-* also.
16997 * configure: Regenerate.
16999 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
17001 * builtins.def : Add BUILT_IN_FREE.
17003 2007-01-12 Jan Hubicka <jh@suse.cz>
17005 PR tree-optimization/30443
17006 * tree-inline.c (tree_function_versioning): Do not optimize when
17007 cloning for inlining.
17009 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
17011 * doc/loop.texi: Document recording of loop exits.
17012 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
17013 (update_single_exits_after_duplication,
17014 update_single_exit_for_duplicated_loop,
17015 update_single_exit_for_duplicated_loops): Removed.
17016 (duplicate_loop_to_header_edge): Do not call
17017 update_single_exits_after_duplication and
17018 update_single_exit_for_duplicated_loops.
17019 (loop_version): Do not update single_exit information.
17020 (fix_loop_structure): Use record_loop_exits instead of
17021 mark_single_exit_loops.
17022 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
17023 the lists of loop exits.
17024 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
17025 split_edge, merge_blocks): Update the lists of loop exits.
17026 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
17027 loop_optimizer_init.
17028 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
17029 of mark_single_exit_loops.
17030 (loop_optimizer_finalize): Call release_recorded_exits.
17031 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
17032 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
17033 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
17034 update single exit information.
17035 * lambda-code.c (perfect_nestify): Ditto.
17036 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
17037 (mark_single_exit_loops): Removed.
17038 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
17039 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
17040 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
17042 (get_loop_exit_edges, single_exit): Use recorded exit lists.
17043 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
17044 (verify_loop_structure): Verify consistency of the exit lists.
17045 (flow_loops_find): Use alloc_loop. Initialize exits hash.
17046 (set_single_exit): Removed.
17047 * cfgloop.h (struct loop_exit): New function.
17048 (struct loop): single_exit_ field replaced by exits field.
17049 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
17050 LOOPS_HAVE_RECORDED_EXITS.
17051 (struct loops): Added exits hash.
17052 (mark_single_exit_loops, set_single_exit): Declaration removed.
17053 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
17055 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17057 * doc/invoke.texi: Avoid use of @headitem.
17059 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17061 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
17063 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17065 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
17068 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17069 Richard Sandiford <richard@codesourcery.com>
17071 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
17072 * config/m68k/m68k.opt: Resort options.
17073 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
17075 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17076 Richard Sandiford <richard@codesourcery.com>
17078 * doc/invoke.texi: Document the macros that are defined by
17079 m68k's -mtune and -mhard-float options.
17080 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
17081 (m68k_cpp_cpu_family): Likewise.
17082 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
17083 of __ucfv*__ macros. Define __mcffpu__ if generating code for
17084 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
17085 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
17086 (m68k_cpp_cpu_family): Likewise.
17088 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17090 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
17091 macros besides mc68000 as tuning macros. Use a switch statement
17092 to set them and mcpu32.
17094 2007-01-12 Julian Brown <julian@codesourcery.com>
17096 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
17097 (TARGET_68040_ONLY): Rename to...
17098 (TARGET_68040): ...this.
17099 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
17100 * config/m68k/m68k.md: Likewise.
17102 2007-01-12 Julian Brown <julian@codesourcery.com>
17103 Nathan Sidwell <nathan@codesourcery.com>
17104 Richard Sandiford <richard@codesourcery.com>
17106 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
17107 the -mcpu= argument associated with the --with-cpu setting.
17108 Define M68K_DEFAULT_TUNE to the default -mtune= option,
17109 if different from the one implied by the -mcpu setting.
17110 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
17111 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
17112 * doc/invoke.texi: Mention ColdFire in the introduction to the
17113 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
17114 -mno-div and -mhard-float options. Make -m68881 a synonym for
17115 -mhard-float. Document the previously-undocumented -m5206e,
17116 -m528x, -m5307 and -m5407 options. Tweak the existing option
17117 documentation for consistency.
17118 * doc/install.texi: Mention new --with-cpu arguments.
17119 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
17120 default CPU if neither -mcpu nor -march are specified.
17121 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
17122 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
17123 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
17124 using m68k_tune to decide between families that implement the
17125 same ISA. Use m68k_tune to set __mcfv4e__.
17126 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
17127 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
17128 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
17129 (FL_ISA_C, FL_ISA_MMU): New macros.
17130 (MASK_COLDFIRE): Delete.
17131 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
17132 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
17133 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
17134 (TARGET_HARD_FLOAT): Do not define here.
17135 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
17136 (TUNE_68000): New macro.
17137 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
17138 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
17139 (TUNE_CFV2): Redefine in terms of m68k_tune.
17140 (uarch_type, target_device, fpu_type): New enums.
17141 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
17142 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
17143 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
17144 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
17145 (FL_FOR_isa_c): New macros.
17146 (m68k_isa): New enum.
17147 (m68k_target_selection): New structure.
17148 (all_devices, all_isas, all_microarchs): New tables.
17149 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
17150 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
17151 (MASK_ALL_CPU_BITS): Delete.
17152 (m68k_find_selection): New function.
17153 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
17154 Map the legacy target options to a combination of the new ones.
17155 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
17156 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
17157 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
17159 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
17160 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
17162 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
17163 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
17164 * config/m68k/m68k-devices.def: New file.
17166 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17167 Nathan Sidwell <nathan@codesourcery.com>
17169 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
17170 (SUBTARGET_EXTRA_SPECS): New macros.
17171 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
17172 use %(asm_cpu_spec) instead.
17173 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
17174 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
17175 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
17176 (EXTRA_SPECS): Rename to...
17177 (SUBTARGET_EXTRA_SPECS): ...this.
17179 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17180 Richard Sandiford <richard@codesourcery.com>
17181 Julian Brown <julian@codesourcery.com>
17183 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
17184 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
17185 to the configuration's default CPU.
17186 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
17187 Remove default masks.
17188 (m680[012]0-*-*): Set the default with_cpu to the first part of
17190 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
17191 (m68k*-*-linux): Extend the --with-cpu handling to...
17192 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
17193 and m68010. Don't set target_cpu_default2.
17194 * doc/install.texi: Document --with-cpu for m68k.
17195 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
17196 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
17197 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
17198 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
17199 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
17200 (ASM_SPEC): Remove use of %(asm_cpu_default).
17201 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
17202 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
17203 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
17204 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
17205 __HAVE_FPU__ if TARGET_HARD_FLOAT.
17206 (TARGET_DEFAULT): Delete.
17207 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
17208 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
17209 (CPP_CPU_SPEC): Delete.
17210 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
17211 the appropriate string.
17212 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
17213 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
17214 (ASM_SPEC): Don't use %(asm_default_spec).
17215 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
17216 TARGET_DEFAULT and add MASK_68881.
17217 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
17219 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17221 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
17222 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
17223 MASK_68010 alongside MASK_68020.
17224 * doc/invoke.texi: Document -m68010.
17225 * config/m68k/m68k.opt (m68010): New.
17226 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
17228 (TUNE_68010): New macro.
17229 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
17230 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
17231 (M68K_CPU_m68332): Add MASK_68010.
17232 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
17233 fallback definition.
17234 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
17236 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
17237 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
17238 to all entries that use MASK_68020.
17239 (output_move_simode_const, output_move_himode, output_move_qimode)
17240 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
17241 instead of TARGET_68020 to select clr behavior. Remove comment
17242 about there being no TARGET_68010.
17243 * config/m68k/m68k.md: Likewise throughout.
17245 2007-01-12 Julian Brown <julian@codesourcery.com>
17247 * config/m68k/m68k.h (TARGET_ISAB): New macro.
17248 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
17249 * config/m68k/m68k.md: Likewise.
17251 2007-01-12 Julian Brown <julian@codesourcery.com>
17253 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
17254 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
17256 2007-01-12 Julian Brown <julian@codesourcery.com>
17258 * config/m68k/m68k.h (TUNE_68040_60): New macro.
17259 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
17260 * config/m68k/m68k.md: Likewise.
17262 2007-01-12 Julian Brown <julian@codesourcery.com>
17263 Richard Sandiford <richard@codesourcery.com>
17265 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
17266 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
17267 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
17269 (TARGET_CPU32): Rename to...
17270 (TUNE_CPU32): ...this.
17271 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
17272 (TUNE_CFV2): New macros.
17273 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
17274 remove conditions that are implied by TARGET_68020.
17275 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
17276 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
17277 (m68k_output_function_epilogue): Likewise.
17278 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
17279 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
17280 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
17281 non-68000 timings. Refactor multiplication and division costs.
17282 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
17283 TUNE_CPU32 instead of TARGET_CPU32.
17284 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
17285 and TUNE_68060 instead of TARGET_68060.
17286 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
17287 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
17289 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
17290 && !TARGET_COLDFIRE" to choose between moveq and clr.
17291 Likewise in the unnamed movsf pattern.
17292 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
17293 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
17296 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17298 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
17299 of tabbing before backslashes.
17301 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17303 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
17304 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
17305 (ASM_OUTPUT_INTERNAL_LABEL): Define.
17307 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17309 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
17310 find_interesting_uses_cond.
17311 (find_interesting_uses_cond): Use extract_cond_operands.
17312 (rewrite_use_compare): Use extract_cond_operands and
17313 force_gimple_operand_bsi. Do not call update_stmt.
17314 (determine_use_iv_cost_condition): Use extract_cond_operands.
17315 Return cheaper of using original bound and changing the exit bound.
17317 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17319 PR tree-optimization/29516
17320 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
17321 most_expensive_mult_to_index, addr_to_parts,
17322 create_mem_ref, maybe_fold_tmr): Make the type of
17323 fields of TARGET_MEM_REF sizetype.
17324 (move_fixed_address_to_symbol, move_pointer_to_base):
17326 * tree.def (TARGET_MEM_REF): Add comment on types of
17329 2007-01-11 Joseph Myers <joseph@codesourcery.com>
17331 * c-common.c (vector_types_convertible_p): Treat opaque types as
17332 always convertible if they have the same size, but not otherwise.
17334 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
17336 * ifcvt.c (struct noce_if_info): Add comments to the fields.
17337 Remove the b_unconditional field.
17338 (noce_try_sign_mask): Do not look at b_unconditional.
17339 (noce_process_if_block): Do not use merge_if_blocks. Update
17340 the CFG here. Do not set b_unconditional.
17341 (cond_move_process_if_block): Likewise.
17342 (find_cond_trap): Likewise.
17343 (check_cond_move_block): Require simple jump insns at the end
17344 of the basic block.
17346 2007-01-11 Jan Hubicka <jh@suse.cz>
17348 PR tree-optimization/1046
17349 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
17350 when alias info is not ready.
17351 (pass_tail_recursion): Do not require aliasing.
17352 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
17353 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
17354 * tree-ssa-copy.c (pass_copy_prop): Likewise.
17355 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
17356 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
17357 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
17358 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
17360 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
17361 When aliasing is not build, mark statement as volatile.
17363 2007-01-11 Tom Tromey <tromey@redhat.com>
17365 PR preprocessor/15185, PR preprocessor/20989:
17366 * doc/cppopts.texi <-MT>: Update description of algorithm for
17367 computing default target.
17368 <-M, -MD>: Reword "basename" text.
17370 2007-01-11 Roger Sayle <roger@eyesopen.com>
17372 * builtins.c (expand_builtin_pow, expand_builtin_powi,
17373 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
17374 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
17375 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
17376 fold_builtin_bswap, real_constp, fold_builtin_pow,
17377 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
17378 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
17379 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17380 * convert.c (convert_to_pointer): Likewise.
17381 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
17382 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
17383 const_binop, fold_convert_const_int_from_int,
17384 fold_convert_const_int_from_real,
17385 fold_convert_const_real_from_real, sign_bit_p,
17386 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
17387 fold_sign_changed_comparison, fold_unary, fold_comparison,
17388 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
17389 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
17390 * print-tree.c (print_node_brief, print_node): Likewise.
17391 * stor-layout.c (place_field, layout_type): Likewise.
17392 * tree-chrec.c (keep_cast): Likewise.
17393 * tree.c (build_vector, build_real, build_real_from_int_cst,
17394 build_complex): Likewise.
17396 2007-01-11 Roger Sayle <roger@eyesopen.com>
17398 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
17399 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
17401 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
17403 * configure.ac (strict1_warn): Rename to strict_warn.
17404 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
17405 cc_set_by_configure, quoted_cc_set_by_configure,
17406 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
17407 all_boot_languages, all_stagestuff): Remove.
17408 (target_list): Remove bootstrap targets.
17409 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
17410 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
17411 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
17412 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
17413 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
17414 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
17415 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
17416 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
17417 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
17418 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
17419 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
17420 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
17421 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
17422 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
17423 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
17424 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
17425 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
17426 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
17427 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
17428 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
17429 (mostlyclean): Adjust.
17430 (clean, distclean): Don't mention bootstrap stuff.
17431 * configure: Regenerate.
17432 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
17433 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
17434 treelang/config-lang.in (stagestuff): Remove.
17435 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
17436 stageprofile, stagefeedback, stagestuff): Remove mention.
17438 2007-01-11 Nick Clifton <nickc@redhat.com>
17440 * config/mcore/predicates.md (mcore_general_movesrc_operand):
17442 (mcore_general_movdst_operand): Do not accept CONST_INTs.
17443 (mcore_arith_K_S_operand): Run the test for the S constraint not
17444 the test for the M constraint.
17445 (mcore_addsub_operand): Do not accept integer values that are
17446 larger than 32 bits.
17447 * config/mcore/mcore.md: Remove unused constraints from split.
17448 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
17449 (addsi3): Likewise.
17450 (allocate_stack): Likewise.
17451 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
17452 operands to 32 bits.
17453 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
17455 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
17456 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
17457 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
17458 mcore_output_bclri, mcore_output_andn, output_inline_const,
17459 mcore_output_move, mcore_output_movedouble): Likewise.
17460 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
17461 (output_inline_const): Likewise.
17462 (output_inline_const): Fix format strings used in sprintf
17464 * config/mcore/mcore-protos.h: Update prototypes for changed
17465 functions in mcore.c.
17466 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
17467 HOST_WIDE_INT and not int.
17468 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
17469 CONST_OK_FOR_N): Likewise.
17470 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
17471 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
17474 2007-01-10 Jan Hubicka <jh@suse.cz>
17476 * tree-vrp.c (remove_range_assertions): Release defs.
17477 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
17478 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
17480 2007-01-10 Paul Brook <paul@codesourcery.com>
17482 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
17483 * config/arm/arm.md (mulsi3subsi): New insn.
17485 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
17487 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
17488 (tree_transform_and_unroll_loop): New.
17489 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
17492 2007-01-10 Robert Kennedy <jimbob@google.com>
17494 * fold-const.c (fold_comparison): Fold comparisons like (x *
17495 1000 < 0) to (x < 0).
17497 2007-01-10 Ian Lance Taylor <iant@google.com>
17499 * tree-pretty-print.c (dump_generic_node): Print parentheses when
17500 operands have the same priority.
17502 2007-01-10 Tom Tromey <tromey@redhat.com>
17504 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
17505 (fold_binary): Likewise.
17506 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
17507 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
17508 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
17509 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
17510 * langhooks.h (struct lang_hooks): Removed field
17511 'can_use_bit_fields_p'.
17513 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
17515 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
17517 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
17519 * function.c (get_last_funcdef_no): New function.
17520 * function.h (get_last_funcdef_no): Declare.
17521 * tree-inline.c (initialize_cfun): Add initialization.
17522 (tree_function_versioning): Cleanup.
17524 2007-01-10 Jan Hubicka <jh@suse.cz>
17526 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
17529 2007-01-10 Sa Liu <saliu@de.ibm.com>
17530 Ben Elliston <bje@au.ibm.com>
17532 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
17533 for SAVE_NONLOCAL and Pmode for any other save level.
17534 * spu-protos.h (spu_restore_stack_block): Declare.
17535 * spu.md (save_stack_block): Remove.
17536 (restore_stack_block): Call spu_restore_stack_block.
17537 * spu.c (spu_restore_stack_block): New function.
17538 (spu_expand_epilogue): Remove old comment.
17540 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
17542 PR tree-optimization/30322
17543 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
17544 (cand_value_at): Return the value as aff_tree.
17545 (may_eliminate_iv): Convert the bound from aff_tree to tree.
17546 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
17547 aff_combination_mult): New functions.
17548 (aff_combination_add): Use aff_combination_add_cst.
17549 (aff_combination_convert): Allow conversions to a wider type.
17550 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
17551 * tree-affine.h (aff_combination_mult): Declare.
17553 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
17555 * doc/tm.texi: Update documentation to reflect reality of exec
17556 and start file search behaviours. Update copyright year.
17557 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
17558 header file directories.
17560 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
17562 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
17563 (*cosxf2): Rename to cosxf2_i387.
17564 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
17565 using X87MODEF12 mode macro. Rename patterns to
17566 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
17568 (*cosdf2, *cossf2): Ditto.
17569 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
17570 to match extended input operands.
17571 (sincos<mode>3): New expander.
17572 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
17573 insn patterns and corresponding splitters.
17575 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
17577 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
17578 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
17580 2007-01-09 Nicolas Pitre <nico@cam.org>
17583 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
17585 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17587 * target.h (struct gcc_target): New field library_rtti_comdat.
17588 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
17589 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
17590 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
17591 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
17593 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17595 * doc/invoke.texi (Optimize Options): Correct description of -O0.
17597 2007-01-08 Richard Guenther <rguenther@suse.de>
17599 * tree.h (force_fit_type_double): Export.
17600 (force_fit_type): Remove.
17601 * fold-const.c (force_fit_type_double): New function.
17602 (force_fit_type): Remove.
17603 (int_const_binop): Use it.
17604 (fold_convert_const_int_from_int): Likewise.
17605 (fold_convert_const_int_from_real): Likewise.
17606 (fold_div_compare): Likewise.
17607 (fold_sign_changed_comparison): Likewise.
17608 (fold_unary): Likewise.
17609 (fold_negate_const): Likewise.
17610 (fold_abs_const): Likewise.
17611 (fold_not_const): Likewise.
17612 * c-common.c (shorten_compare): Use force_fit_type_double.
17613 * convert.c (convert_to_pointer): Likewise.
17615 2007-01-08 Richard Guenther <rguenther@suse.de>
17617 * tree.h (build_int_cst_wide_type): Export.
17618 * tree.c (build_int_cst_wide_type): New function.
17619 (build_int_cst_wide): Fix comment.
17620 * builtins.c (fold_builtin_object_size): Use build_int_cst
17621 to build -1 or 0 of the correct type. Use fit_double_type
17622 to check for overflow.
17623 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
17625 (decode_field_reference): Likewise.
17626 (all_ones_mask_p): Likewise.
17627 (native_interpret_int): Use build_int_cst_wide_type.
17628 (fold_binary): Use build_int_cst_type to build an all-ones
17630 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
17632 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
17634 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
17636 2007-01-09 Ben Elliston <bje@au.ibm.com>
17638 * genautomata.c (STATS_OPTION): New option.
17639 (stats_flag): New flag.
17640 (gen_automata_option): Handle it.
17641 (initiate_automaton_gen): Ditto.
17642 (write_automata): Output statistics only if stats_flag is
17643 set. Likewise, output time statistics only if time_flag is set.
17644 * doc/md.texi (Processor pipeline description): Document new flag.
17646 2007-01-08 Richard Guenther <rguenther@suse.de>
17648 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
17649 * tree.c (build_int_cst_type): Likewise.
17650 (size_in_bytes): Don't call force_fit_type on the result.
17651 (int_fits_type_p): Use fit_double_type.
17652 * fold-const.c (fit_double_type): New function.
17653 (force_fit_type): Use it.
17654 * tree.h (fit_double_type): Export.
17656 2007-01-08 Jan Hubicka <jh@suse.cz>
17658 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
17659 * ipa.c (function_and_variable_visibility): Fix return type.
17661 2007-01-08 Richard Guenther <rguenther@suse.de>
17663 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
17664 of offset to build the index.
17665 * tree-pretty-print.c (dump_generic_node): Don't build negated
17666 const just for printing.
17667 * c-pretty-print.c (pp_c_integer_constant): Likewise.
17668 * builtins.c (fold_builtin_int_roundingfn): Check if result
17669 fits the type by using force_fit_type and comparing the result.
17670 * predict.c (predict_loops): Use compare_tree_int for comparison.
17671 * tree.c (build_int_cst): Fall back to integer_type_node for
17673 (build_int_cst_wide): Assert type is non-null.
17675 2007-01-08 Roberto Costa <roberto.costa@st.com>
17677 * tree-vrp.c (extract_range_from_cond_expr): New.
17678 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
17679 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
17681 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
17682 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
17683 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
17684 used as expressions.
17685 * tree-object-size.c (cond_expr_object_size): New.
17686 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
17688 2007-01-08 Jan Hubicka <jh@suse.cz>
17690 * tree-ssa-forwprop.c (forward_propagate_into_cond,
17691 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
17694 2007-01-08 Richard Guenther <rguenther@suse.de>
17696 PR tree-optimization/23603
17697 * tree-vrp.c (set_value_range_to_truthvalue): New function.
17698 (extract_range_from_binary): Fall back to truthvalue instead of
17699 varying for TRUTH_*_EXPR.
17700 (extract_range_from_comparison): Fall back to truthvalue instead of
17702 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
17703 if all visited PHI values were constant.
17705 2007-01-08 Jan Hubicka <jh@suse.cz>
17707 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
17708 (cgraph_analyze_function): break out from ...
17709 (cgraph_finalize_compilation_unit): ... here.
17710 (cgraph_expand_function): Remove forgoten commented out line.
17711 (cgraph_optimize): Analyze functions.
17713 2007-01-08 Jan Hubicka <jh@suse.cz>
17715 * tree-pas.h (TODO_remove_function): New flag.
17716 (TODO_update*): Renumber.
17717 (pass_ipa_increase_alignment,
17718 pass_ipa_function_and_variable_visibility): New passes.
17719 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
17720 (cgraph_function_and_variable_visibility): Move to ipa.c
17721 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
17722 cgraph_increase_alignment.
17723 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
17724 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
17725 calling tree-inline.
17726 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
17727 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
17728 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
17729 (gate_increase_alignment): New function.
17730 (pass_ipa_increase_alignment): New pass.
17731 * ipa.c: Inline tree-pass.h and timevar.h
17732 (function_and_variable_visibility): Move here from cgraphunit.c
17733 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
17734 * passes.c (init_optimization_passes): Add the two new passes.
17735 (execute_todo): Handle cgraph_remove_functions.
17737 2007-01-08 Nick Clifton <nickc@redhat.com>
17739 * config/frv/predicates.md (reg_or_0_operand): Accept
17742 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
17744 * config/bfin/rtems.h, config/bfin/t-rtems: New.
17745 * config.gcc: Add bfin*-rtems*.
17747 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17749 * c.opt: Add -flax-vector-conversions.
17750 * c-typeck.c (convert_for_assignment): Pass flag to
17751 vector_types_convertible_p to allow emission of note.
17752 (digest_init): Likewise.
17753 * c-opts.c: Handle -flax-vector-conversions.
17754 * c-common.c (flag_lax_vector_conversions): New.
17755 (vector_types_convertible_p): Unless -flax-vector conversions
17756 has been passed, disallow conversions between vectors with
17757 differing numbers of subparts and/or element types. If such
17758 a conversion is disallowed, possibly emit a note on the first
17759 occasion only to inform the user of -flax-vector-conversions.
17760 The new last argument specifies this.
17761 * c-common.h (flag_lax_vector_conversions): New.
17762 (vector_types_convertible_p): Add extra argument.
17763 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
17764 char_type_node for V*QI type vectors.
17765 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
17766 Update to satisfy new typechecking rules.
17767 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
17768 C and C++ variants.
17769 * doc/invoke.texi (C Dialect Options): Document
17770 -flax-vector-conversions.
17772 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17774 PR tree-optimization/29877
17775 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
17776 a register variable on the RHS to not be replaceable.
17778 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
17779 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
17780 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
17781 const_simm15, const_pow2, const_npow2): Added.
17782 * config/score/misc.md (insv, extv, extzv, movmemsi,
17783 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
17784 * config/score/score.c (score_address_cost, score_select_cc_mode):
17786 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
17787 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
17788 Update score_print_operand.
17789 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
17790 Adjust register allocate order and update some macro define.
17791 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
17792 mdx_block_move_straight, mdx_block_move_loop_head,
17793 mdx_block_move_loop_body, mdx_block_move_loop_foot,
17794 mdx_block_move_loop, mdx_block_move): Added.
17795 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
17796 mdp_limm): Updated and fix some bug and typo.
17797 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
17798 (movsf, movdf, doloop_end): Added.
17800 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
17802 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
17803 config/arm/thumb2.md: Fix comment typos.
17804 * doc/extend.texi: Fix a typo.
17806 2007-01-07 Eric Christopher <echristo@apple.com>
17808 * configure.ac: Check for __stack_chk_fail for darwin.
17809 * configure: Regenerate.
17811 2007-01-07 Richard Guenther <rguenther@suse.de>
17813 * tree-vrp.c (extract_range_from_assert): CSE calls to
17814 compare_values where possible.
17815 (extract_range_from_unary_expr): Likewise.
17817 2007-01-07 Anatoly Sokolov <aesok@post.ru>
17819 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
17820 * config/avr/avr.c (call_insn_operand): Delete function.
17821 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
17822 instead of register number. Use predicates.
17823 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
17824 call_insn_operand): Add.
17826 2007-01-06 Jan Hubicka <jh@suse.cz>
17828 * tree-pass.h (pass_build_cgraph_edges): Declare.
17829 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
17830 (visited_nodes): Remove.
17831 (cgraph_create_edges): Move to cgraphbuild.c; rename to
17832 build_cgrpah_edges; make visited_nodes local.
17833 (cgraph_process_new_functions): DO not call initialize_inline_failed.
17834 (record_references_in_initializer): Move to cgraphbuild.c
17835 (initialize_inline_failed, rebuild_cgraph_edges,
17836 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
17837 (verify_cgraph_node): Make visited_nodes local.
17838 (cgraph_analyze_function): Do not call cgraph_create_edges and
17839 initialize_inline_failed.
17840 (cgraph_expand_function): Do not call cgraph_lower_function;
17841 assert that function is already lowered.
17842 * Makefile.in (cgraphbuild.o): New.
17843 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
17844 at the end of lowering passes.
17846 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
17848 * ifcvt.c (cond_move_convert_if_block): New function, code
17849 factored out from...
17850 (cond_move_process_if_block): ...here. Call the new function
17851 on the THEN and ELSE blocks.
17852 (merge_if_block): Do not copy global_live_at_end, merge_blocks
17853 already takes care of this.
17855 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17858 * tree.h (TREE_OVERFLOW_P): New.
17859 * c-typeck.c (parser_build_unary_op): Warn only if result
17860 overflowed and operands did not.
17861 (parser_build_binary_op): Likewise.
17862 (convert_for_assignment): Remove redundant overflow_warning.
17863 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
17865 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17867 * c-typeck.c (store_init_value): Split over two lines to follow
17868 the GNU coding style.
17870 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
17872 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
17873 __GXX_EXPERIMENTAL_CXX0X__.
17874 * doc/cpp.texi: Same.
17876 2007-01-05 Richard Guenther <rguenther@suse.de>
17878 PR middle-end/27826
17879 * tree.c (get_narrower): Do not construct COMPONENT_REFs
17880 with mismatched types. Instead explicitly build a
17881 conversion NOP_EXPR.
17883 2007-01-05 Ian Lance Taylor <iant@google.com>
17885 * c-common.c (decl_with_nonnull_addr_p): New function.
17886 (c_common_truthvalue_conversion): Call it.
17887 * c-typeck.c (build_binary_op): Likewise.
17888 * c-common.h (decl_with_nonnull_addr_p): Declare.
17890 2007-01-05 Jakub Jelinek <jakub@redhat.com>
17893 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
17896 2007-01-05 Joel Brobecker <brobecker@adacore.com>
17898 * doc/install.texi (Final install): Document the fact that
17899 the GNAT runtime should not be stripped.
17901 2007-01-04 Jan Hubicka <jh@suse.cz>
17903 * tree-inline.c (fold_marked_statements): Update operand caches
17904 and EH after folding
17906 2007-01-04 Ian Lance Taylor <iant@google.com>
17908 * c-common.c (check_function_nonnull): Whitespace fix.
17910 2007-01-04 Jan Hubicka <jh@suse.cz>
17912 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
17913 comitted older version of patch.
17914 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
17915 function, celanup cfg and collect garbage.
17917 2007-01-04 Mike Stump <mrs@apple.com>
17919 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
17922 2007-01-04 Eric Christopher <echristo@apple.com>
17924 * libgcc2.c (__bswapsi2): Use SItype.
17925 (__bswapdi2): Use DItype.
17926 * libgcc2.h: Update for above.
17928 2007-01-04 Paul Brook <paul@codesourcery.com>
17930 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
17931 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
17932 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
17933 umulsidi3, umulsidi3adddi, smulsi3_highpart,
17934 umulsi3_highpart): Make conditional on !arm_arch6.
17935 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
17936 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
17937 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
17938 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
17939 umulsi3_highpart_v6): New insns.
17941 2007-01-04 Roger Sayle <roger@eyesopen.com>
17943 * fold-const.c (fold_convert): When casting an expression to void,
17944 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
17945 have a type. Instead of attempting to build a NOP_EXPR, return
17946 these "special" trees directly.
17948 2007-01-04 Joseph Myers <joseph@codesourcery.com>
17950 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
17951 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
17952 rs6000_cost->fp not 0 as adjustment for outer NEG.
17954 2007-01-04 Jan Hubicka <jh@suse.cz>
17956 * cgraph.c (cgraph_release_function_body): New function.
17957 (cgraph_remove_node): Use it.
17958 * cgraph.h (cgraph_release_function_body): Declare.
17959 * cgraphunit.c (cgraph_expand_function): Use it.
17960 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
17961 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
17962 is initialized and while compilation of other function is running.
17963 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
17964 statement CFG annotations from here to ...
17965 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
17967 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
17969 * cfgloop.h (enum li_flags): Make the constants powers of two.
17971 2007-01-04 Jan Hubicka <jh@suse.cz>
17973 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
17975 (fold_marked_statements): New function.
17976 (optimize_inline_calls, tree_function_versioning): Fold new statements.
17977 * tree-inline.h (copy_body_data): Add statements_to_fold.
17979 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
17981 * config.gcc: Mention libgcc/config.host.
17982 * Makefile.in: Update comments mentioning libgcc.
17983 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
17984 (all.cross, start.encap, rest.encap, rest.cross): Update
17985 dependencies for libgcc move.
17986 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
17987 (clean-target, clean-target-libgcc): Delete.
17988 (srcdirify, GCC_EXTRA_PARTS): New macros.
17989 (libgcc-support, libgcc.mvars): New rules.
17990 (distclean): Remove mention of mklibgcc.
17991 (install): Don't reference INSTALL_LIBGCC.
17992 (install-common): Don't reference EXTRA_PARTS.
17993 (install-libgcc, install-multilib): Delete rules.
17994 * mklibgcc.in: Delete file.
17995 * doc/configfiles.texi: Don't mention mklibgcc.
17997 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
17998 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
17999 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
18000 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
18001 (mklibgcc, ldblspecs): Likewise.
18003 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
18004 (posixpre.def): Use $(T).
18005 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
18006 (SHLIB_SRC, SHLIB_INSTALL): Delete.
18007 (SHLIB_LINK): Make dummy.
18008 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
18010 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
18012 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
18013 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
18014 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
18015 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
18017 * configure.ac (all_outputs): Remove mklibgcc.
18018 * configure: Regenerated.
18020 2007-01-03 Josh Conner <jconner@apple.com>
18022 PR middle-end/29683
18023 * calls.c (compute_argument_addresses): Set stack and stack_slot
18024 for partial args, too.
18025 (store_one_arg): Use locate.size.constant for the size when
18026 generating a save_area.
18028 2007-01-03 Robert Kennedy <jimbob@google.com>
18030 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
18031 whose definitions are deleted due to basic block merging.
18033 2007-01-03 Paul Brook <paul@codesourcery.com>
18036 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
18038 (use_return_insn): Return 0 for Thumb interrupt functions.
18039 (print_multi_reg): Add rfe argument for IRQ returns.
18040 (arm_output_epilogue): Pop interrupt return address directly into PC.
18041 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
18043 2007-01-03 Paul Brook <paul@codesourcery.com>
18045 Merge from sourcerygxx-4_1.
18046 * config/arm/thumb2.md: New file.
18047 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
18049 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
18050 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
18051 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
18052 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
18054 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
18055 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
18057 * config/arm/ieee754-sf.S: Ditto.
18058 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
18059 (thumb1_base_register_rtx_p): ... to this.
18060 (thumb_index_register_rtx_p): Rename...
18061 (thumb1_index_register_rtx_p): ... to this.
18062 (thumb_output_function_prologue): Rename...
18063 (thumb1_output_function_prologue): ... to this.
18064 (thumb_legitimate_address_p): Rename...
18065 (thumb1_legitimate_address_p): ... to this.
18066 (thumb_rtx_costs): Rename...
18067 (thumb1_rtx_costs): ... to this.
18068 (thumb_compute_save_reg_mask): Rename...
18069 (thumb1_compute_save_reg_mask): ... to this.
18070 (thumb_final_prescan_insn): Rename...
18071 (thumb1_final_prescan_insn): ... to this.
18072 (thumb_expand_epilogue): Rename...
18073 (thumb1_expand_epilogue): ... to this.
18074 (arm_unwind_emit_stm): Rename...
18075 (arm_unwind_emit_sequence): ... to this.
18076 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
18077 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
18078 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
18079 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
18080 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
18081 thumb2_output_casesi): New functions.
18082 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
18083 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
18084 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
18085 THUMB2_WORK_REGS): Define.
18086 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
18087 arm_condexec_mask, arm_condexec_masklen)): New variables.
18088 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
18089 (arm_override_options): Check new CPU capabilities.
18090 Set new architecture flag variables.
18091 (arm_isr_value): Handle v7m interrupt functions.
18092 (user_return_insn): Return 0 for v7m interrupt functions. Handle
18094 (const_ok_for_arm): Handle Thumb-2 constants.
18095 (arm_gen_constant): Ditto. Use movw when available.
18096 (arm_function_ok_for_sibcall): Return false for v7m interrupt
18098 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
18099 (thumb_find_work_register, arm_load_pic_register,
18100 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
18101 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
18102 print_multi_reg, output_mov_long_double_fpa_from_arm,
18103 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
18104 output_mov_double_fpa_from_arm, output_move_double,
18105 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
18106 output_return_instruction, arm_output_function_prologue,
18107 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
18108 arm_output_mi_thunk, thumb_set_return_address): Ditto.
18109 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
18110 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
18111 (arithmetic_instr, shift_op): Use arm_shift_nmem.
18112 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
18114 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
18115 (thumb_expand_prologue): Use thumb_set_frame_pointer.
18116 (arm_file_start): Output directive for unified syntax.
18117 (arm_unwind_emit_set): Handle stack alignment instruction.
18118 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
18119 Add v6t2, v7, v7a, v7r and v7m.
18120 (RETLDM): Add Thumb-2 code.
18121 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
18122 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
18123 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
18124 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
18125 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
18126 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
18127 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
18128 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
18129 ADJUST_INSN_LENGTH): Define.
18130 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
18131 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
18132 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
18133 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
18134 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
18135 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
18136 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
18137 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
18138 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
18139 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
18140 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
18141 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
18142 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
18143 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
18144 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
18145 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
18146 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
18148 * config/arm/arm-tune.md: Regenerate.
18149 * config/arm/arm-protos.h: Update prototypes.
18150 * config/arm/vfp.md: Enable patterns for Thumb-2.
18151 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
18152 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
18153 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
18154 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
18155 * config/arm/libunwind.S: Add Thumb-2 code.
18156 * config/arm/constraints.md: Update include Thumb-2.
18157 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
18158 * config/arm/ieee754-df.S: Ditto.
18159 * config/arm/bpabi.S: Ditto.
18160 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
18161 * config/arm/predicates.md (low_register_operand,
18162 low_reg_or_int_operand, thumb_16bit_operator): New.
18163 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
18164 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
18165 * config/arm/t-arm-elf: Add armv7 multilib.
18166 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
18168 (UNSPEC_STACK_ALIGN, ce_count): New.
18169 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
18170 arm_zero_extendsidi2, arm_zero_extendqidi2): New
18172 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
18173 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
18174 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
18175 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
18176 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
18177 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
18179 * doc/extend.texi: Document ARMv7-M interrupt functions.
18180 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
18182 2007-01-03 Jakub Jelinek <jakub@redhat.com>
18184 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
18185 (struct _Unwind_Context): Rename args_size to flags, remove
18186 signal_frame field, add a new args_size field and version field.
18187 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
18188 _Unwind_IsExtendedContext): New inline functions.
18189 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
18190 Assume by_value array is only present if _Unwind_IsExtendedContext.
18191 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
18192 _Unwind_IsSignalFrame.
18193 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
18194 (uw_update_context_1): Use _Unwind_SetSignalFrame.
18195 (uw_init_context_1): Initialize context->flags to
18196 EXTENDED_CONTEXT_BIT.
18197 * config/rs6000/linux-unwind.h (frob_update_context): Use
18198 _Unwind_SetSignalFrame.
18200 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
18202 PR middle-end/30353
18203 * gimplify.c (gimplify_modify_expr_complex_part): Move below
18204 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
18207 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
18209 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
18210 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
18211 RET, AT_SP): Remove.
18212 * config/i386/i386.md (*sse_prologue_save_insn): Use return
18215 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18216 * cfgbuild.c (find_basic_blocks): Likewise.
18217 * cfgrtl.c (rtl_create_basic_block): Likewise.
18218 * function.c (temp_slots_at_level): Likewise.
18219 * reg-stack.c (stack_regs_mentioned): Likewise.
18220 * regclass.c (allocate_reg_info): Likewise.
18221 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18222 set_bb_for_stmt, move_block_to_fn): Likewise.
18223 * tree-complex.c (tree_lower_complex): Likewise.
18224 * vec.h (VEC_safe_grow_cleared): New.
18226 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
18228 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
18230 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
18231 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
18233 * cfgloopmanip.c (scale_loop_frequencies): Export.
18234 (loopify): Scale the frequencies by prescribed coefficients.
18235 (set_zero_probability): New function.
18236 (duplicate_loop_to_header_edge): Improve updating of frequencies.
18237 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
18238 and frequencies according to arguments.
18239 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
18241 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
18242 * modulo-sched.c (sms_schedule): Set probabilities for entering
18243 versioned loop correctly.
18244 * tree-vect-transform.c (vect_transform_loop): Ditto.
18245 * cfgloop.h (loopify, loop_version): Declaration changed.
18246 (scale_loop_frequencies): Declared.
18248 2007-01-02 Jan Hubicka <jh@suse.cz>
18250 * cgraph.c: Include tree-flow.h
18251 (cgraph_add_new-function): Handle IPA_SSA mode; execute
18252 early_local_passes.
18253 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
18254 * tree-pass.h (pass_all_early_optimizations): Declare.
18255 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
18256 early_local_passes.
18257 (cgraph_analyze_function): Do early_local_passes.
18258 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18259 Do not add referenced vars.
18260 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
18262 (gate_all_early_local_passes): New gate.
18263 (pass_early_local_passes): Use new gate.
18264 (execute_early_local_optimizations): New functions.
18265 (gate_all_early_optimizations): New gate.
18266 (pass_all_early_optimizations): New pass.
18267 (execute_free_datastructures): Free SSA only when initialized.
18268 (gate_init_datastructures): Init only when optimizing.
18269 (tree_lowering_passes): Do early local passes when called late.
18270 * tree-profile.c (do_tree_profiling): Don't profile functions added
18272 (do_early_tree_profiling, pass_early_tree_profile): Kill.
18273 * tree-cfg.c (update_modified_stmts): Do not update when operands are
18275 * passes.c (init_optimizations_passes): Reorder so we go into SSA
18276 during early_local_passes.
18277 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
18280 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18282 * Makefile.in: Update copyright year.
18284 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18286 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
18287 in $(lang_checks) and check-consistency targets.
18289 2007-01-02 Jan Hubicka <jh@suse.cz>
18291 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18292 Do not add referenced vars.
18293 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
18295 * passes.c (init_optimization_passes): Put mudflap_2 after
18296 free_datastructures.
18298 2007-01-02 Jan Hubicka <jh@suse.cz>
18300 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
18301 Set NOTHROW flag on call statements proved to be nothrow.
18302 Update statement of local calls so new pure/const functions are
18303 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
18305 (tree_rest_of_compilation): Register hooks and initialize bitmap
18306 early. Do not set after_inlining flag.
18308 2007-01-02 Steve Ellcey <sje@cup.hp.com>
18310 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
18311 HOST_BITS_PER_LONGLONG
18313 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18316 * c-typeck.c (store_init_value): Don't emit pedantic overflow
18317 warning for non-static initializers.
18319 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
18321 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
18322 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
18323 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
18324 Always use set_unique_reg_note to add REG_EQUAL notes.
18326 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18329 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18331 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18332 * cfgbuild.c (find_basic_blocks): Likewise.
18333 * cfgrtl.c (rtl_create_basic_block): Likewise.
18334 * function.c (temp_slots_at_level): Likewise.
18335 * reg-stack.c (stack_regs_mentioned): Likewise.
18336 * regclass.c (allocate_reg_info): Likewise.
18337 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18338 set_bb_for_stmt, move_block_to_fn): Likewise.
18339 * tree-complex.c (tree_lower_complex): Likewise.
18340 * vec.h (VEC_safe_grow_cleared): New.
18342 2007-01-02 Ian Lance Taylor <iant@google.com>
18344 * c-common.c (c_common_truthvalue_conversion): When warning about
18345 using an assignment as a truth value, set TREE_NO_WARNING.
18347 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18350 * c.opt (Wold-style-declaration): New.
18351 * doc/invoke.texi (C-only Warning Options): New.
18352 (Wold-style-declaration): Document it.
18353 (Wextra): Enabled by -Wextra.
18354 * c-opts.c (c_common_post_options): Enabled by -Wextra.
18355 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
18356 -Wold-style-declaration.
18358 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18360 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18361 * cfgbuild.c (find_basic_blocks): Likewise.
18362 * cfgrtl.c (rtl_create_basic_block): Likewise.
18363 * function.c (temp_slots_at_level): Likewise.
18364 * reg-stack.c (stack_regs_mentioned): Likewise.
18365 * regclass.c (allocate_reg_info): Likewise.
18366 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18367 set_bb_for_stmt, move_block_to_fn): Likewise.
18368 * tree-complex.c (tree_lower_complex): Likewise.
18369 * vec.h (VEC_safe_grow_cleared): New.
18371 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
18373 * c-common.c (c_common_nodes_and_builtins): Since variants of
18374 void_type_node get built before it is given a name, we need to
18375 give those variants the name, too.
18376 (complete_array_type): We need to work with the canonical main
18377 type of the array, from which we will build the qualified version.
18378 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
18379 * print-tree.c (print_node): Display canonical type information
18381 * stor-layout.c (layout_type): When we don't know the
18382 alignment of a type for which we're building an array, we end up
18383 guessing wrong, so make the type require structural equality.
18384 * tree.c (make_node_stat): When we build a new type, it is its
18385 own canonical type.
18386 (build_type_attribute_qual_variant): When building an attribute
18387 variant, its canonical type is the non-attribute variant. However,
18388 if the attributes are target-dependent and they differ, we need to
18389 use structural equality checks for this type.
18390 (build_qualified_type): A qualified type is not equivalent to its
18391 unqualified variant; set the canonical type appropriately.
18392 (build_distinct_type_copy): When building a distinct type from
18393 another type, the new type is its own canonical type.
18394 (build_variant_type_copy): When building a new type variant, we
18395 assume that it is equivalent to the original type.
18396 (build_pointer_type_for_mode): When building a pointer type, also
18397 build a canonical type pointer.
18398 (build_reference_type_for_mode): When building a reference type,
18399 also build a canonical type reference.
18400 (build_index_type): When we can't hash an index type (e.g.,
18401 because its maximum value is negative), the index type requires
18402 structural equality tests.
18403 (build_array_type): Build the canonical form of an array type.
18404 (build_function_type): Function types require structural equality,
18405 because they contain default arguments, attributes, etc.
18406 (build_method_type_directly): Ditto for method types.
18407 (build_offset_type): Build the canonical offset type.
18408 (build_complex_type): Build the canonical vector type.
18409 (make_vector_type): Build the canonical vector type.
18410 * tree.h (TYPE_CANONICAL): New.
18411 (TYPE_STRUCTURAL_EQUALITY_P): New.
18412 (SET_TYPE_STRUCTURAL_EQUALITY): New.
18413 (struct tree_type): Added "canonical" field.
18414 * params.h (VERIFY_CANONICAL_TYPES): New.
18415 * doc/c-tree.texi (TYPE_CANONICAL): Document.
18416 (TYPE_STRUCTURAL_EQUALITY_P): Document.
18417 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
18418 * doc/invoke.texi (verify-canonical-types): Document --param
18419 parameter for verifying canonical types.
18421 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18423 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
18424 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
18425 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
18426 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
18428 * config/rs6000/e500.h: New.
18429 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
18430 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
18432 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
18433 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
18434 TARGET_E500_DOUBLE): Remove.
18435 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
18436 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
18437 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
18438 * config/rs6000/rs6000.c (rs6000_override_options): Use
18439 CHECK_E500_OPTIONS.
18441 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18443 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
18444 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
18445 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
18446 rs6000_emit_cmove): Don't check TARGET_E500.
18447 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
18448 sordered): Don't check TARGET_E500.
18450 2007-01-01 Eric Christopher <echristo@apple.com>
18452 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
18453 HARD_REGISTER_NUM_P.
18455 2007-01-01 Roger Sayle <roger@eyesopen.com>
18457 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
18458 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
18459 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
18462 2007-01-01 Mike Stump <mrs@apple.com>
18464 * configure.ac: Remove support for building with Apple's gcc-3.1.
18466 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18468 PR middle-end/30311
18469 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
18470 REG is a hard register. Do not modify REG before calling
18472 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
18473 multiple of the size of YMODE for certain lowpart cases.
18475 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18477 PR middle-end/30253
18478 * gimplify (voidify_wrapper_expr): Update for
18479 GIMPLE_MODIFY_STMT.
18481 2007-01-01 Andreas Schwab <schwab@suse.de>
18484 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
18485 save of BR0 in extra_spill_size instead of spill_size.
18486 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
18488 (ia64_expand_epilogue): Restore BR0 from its new location.
18490 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18492 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
18493 Use a temporary variable if the left hand side is not a gimple
18496 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18498 * gimplify.c (gimplify_return_expr): Make the temporary variable
18499 for the return expression, a gimple register variable.
18501 2007-01-01 Jan Hubicka <jh@suse.cz>
18503 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
18506 2007-01-01 Mike Stump <mrs@apple.com>
18508 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
18510 * config/darwin.c (machopic_select_rtx_section): Use
18511 HAVE_GAS_LITERAL16.
18512 (darwin_mergeable_constant_section): Likewise.
18513 * configure: Regenerate.
18514 * config.in: Regenerate.
18516 2007-01-01 Jan Hubicka <jh@suse.cz>
18517 Andrew Pinski <pinskia@gmail.com>
18519 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
18520 before starting IPA passes.