target-def.h (TARGET_INITIALIZER): Remove trailing whitespace after \.
[gcc.git] / gcc / ChangeLog
1 2007-07-04 Joseph Myers <joseph@codesourcery.com>
2
3 * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
4 after \.
5
6 2007-07-04 David Ung <davidu@mips.com>
7 Joseph Myers <joseph@codesourcery.com>
8
9 * config/mips/mips.md (type): Add logical, signext and move.
10 (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
11 *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
12 *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
13 combinations", *zero_extend<SHORT:mode><GPR:mode>2,
14 *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
15 *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
16 *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
17 *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
18 *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
19 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
20 movv2sf_hardfloat_64bit): Use the new types.
21 (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
22 *movdf_softfloat, *movdf_mips16): Use "multi".
23 (extendqihi2): Replace with a define_expand.
24 (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
25 Based on extend<SHORT:mode><GPR:mode>2 patterns.
26 * config/mips/74k.md (r74k_int_logical): New reservation and
27 bypasses.
28 (r74k_int_arith): Remove "slt".
29 * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
30 config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
31 config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
32 config/mips/sb1.md, config/mips/sr71k.md: Add new types to
33 reservations for "arith".
34
35 2007-07-04 Richard Guenther <rguenther@suse.de>
36
37 * tree-ssa.c (useless_type_conversion_p): Add handling for
38 scalar float and vector types. Only call the types_compatible_p
39 langhook for aggregate types as last resort. Follow the
40 rules.
41
42 2007-07-04 Richard Guenther <rguenther@suse.de>
43
44 * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
45 the same as NOP_EXPR.
46
47 2007-07-04 Nick Clifton <nickc@redhat.com>
48
49 * target.h (struct gcc_target): Add target_help field.
50 * target-def.h (TARGET_HELP): New.
51 (TARGET_INITIALIZER): Use TARGET_HELP.
52 * opts.c (command_handle_option): Invoke target_help function, if
53 defined, when the user has specified --target-help on the command
54 line.
55 * doc/invoke.texi: Mention that --target-help might print
56 additional information.
57 * doc/tm.texi: Document TARGET_HELP hook.
58
59 * arm.c (TARGET_HELP): Override default definition.
60 (arm_target_help): New - display a wrapped list of cores and
61 architectures supported.
62
63 2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
64
65 * config/gcc/v850/v850.c (expand_prologue): Make sure
66 GEN_INT() argument is sign extended rather than zero extended.
67 (expand_epilogue): Likewise.
68 (output_move_double): Delete.
69 * config/gcc/v850/v850-protos.h (output_move_double): Delete.
70 * config/gcc/v850/v850.md (movdi): Delete.
71 (*movdi_internal): Delete.
72 (movdf): Delete.
73 (*movdf_internal): Delete.
74
75 2007-07-04 Richard Sandiford <richard@codesourcery.com>
76
77 * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
78 unless compiling RTP PIC.
79
80 2007-07-04 Richard Guenther <rguenther@suse.de>
81
82 PR tree-optimization/32482
83 * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
84 original ssa name if we didn't find a shift expression.
85 Fix shift constant for bit zero test.
86
87 2007-07-04 Richard Sandiford <richard@codesourcery.com>
88
89 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
90
91 2007-07-04 Richard Sandiford <richard@codesourcery.com>
92
93 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
94 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
95 * config/arm/vxworks.h (ASM_SPEC): Delete.
96 (SUBTARGET_EXTRA_ASM_SPEC): Define.
97
98 2007-07-04 Sebastian Pop <sebpop@gmail.com>
99
100 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
101 (DDR_REVERSED_P): New.
102 * tree-data-ref.c (initialize_data_dependence_relation,
103 build_classic_dist_vector): Set DDR_REVERSED_P.
104
105 2007-07-04 Sebastian Pop <sebpop@gmail.com>
106
107 PR middle-end/32457
108 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
109 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
110 init_omega_for_ddr_1): Use non conservative number of iterations
111 estimations.
112 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
113 (analyze_siv_subscript): Remove FIXME and reinitialization of
114 last_conflicts to chrec_dont_know.
115 * testsuite/gfortran.dg/vect/pr32457.f90: New.
116
117 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
118
119 * tree.c (maybe_canonicalize_argtypes): Improve description.
120
121 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
122
123 * tree.c (maybe_canonicalize_argtypes): New.
124 (build_function_type): Set canonical type.
125 (build_method_type_directly): Ditto.
126 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
127 properly.
128
129 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
130
131 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
132 like PLUS_EXPR.
133 (rewrite_use_nonlinear_expr): Likewise.
134
135 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
136
137 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
138
139 2007-07-04 Ben Elliston <bje@au.ibm.com>
140
141 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
142 of this file.
143
144 * c-objc-common.c (c_types_compatible_p): Fix indentation.
145
146 * doc/tm.texi (Run-time Target): Capitalise "CPU".
147 (Exception Handling): Likewise.
148
149 2007-07-03 Jan Hubicka <jh@suse.cz>
150
151 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
152
153 2007-07-03 Eric Christopher <echristo@apple.com>
154
155 * doc/cppopts.texi: Add conflicting option note to -dM.
156 * doc/invoke.texi: Add note about possible conflicts with
157 -E for -dCHARS and note that -dM will not produce
158 any results if there is no machine dependent reorg.
159
160 2007-07-03 Geoffrey Keating <geoffk@apple.com>
161
162 * tree.h (DECL_ALIGN): Back out previous change.
163
164 2007-07-03 Joseph Myers <joseph@codesourcery.com>
165
166 * configure.ac: Test for .dtprelword support on MIPS.
167 * configure, config.in: Regenerate.
168 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
169 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
170
171 2007-07-03 Julian Brown <julian@codesourcery.com>
172
173 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
174 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
175 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
176 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
177 capability.
178 (all_fpus): Add FPUTYPE_VFP3.
179 (fp_model_for_fpu): Add VFPv3 field.
180 (arm_rtx_costs_1): Give cost to VFPv3 constants.
181 (vfp3_const_double_index): New function. Return integer index of
182 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
183 isn't suitable.
184 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
185 and argument represents a valid RTX for a VFPv3 constant.
186 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
187 two instructions.
188 (vfp_emit_fstmd): Similar, for fstmd.
189 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
190 constants, represented as integer indices.
191 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
192 VFP_REGNO_OK_FOR_DOUBLE macros.
193 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
194 (arm_file_start): Set float-abi attribute for VFPv3, and output
195 correct ".fpu" assembler directive.
196 (arm_dbx_register_numbering): Add FIXME.
197 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
198 (fputype): Add FPUTYPE_VFP3.
199 (FIXED_REGISTERS): Add 32 registers for D16-D31.
200 (CALL_USED_REGISTERS): Likewise.
201 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
202 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
203 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
204 (D7_VFP_REGNUM): New.
205 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
206 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
207 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
208 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
209 (REG_ALLOC_ORDER): Adjust for VFPv3.
210 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
211 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
212 VFP_LO_REGS, VFP_HI_REGS.
213 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
214 (IS_VFP_CLASS): Define macro.
215 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
216 IS_VFP_CLASS.
217 (REGISTER_MOVE_COST): Likewise.
218 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
219 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
220 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
221 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
222 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
223 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
224 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
225 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
226 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
227 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
228 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
229 where appropriate for single-word registers.
230 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
231 As above. Fix type attributes.
232 * config/arm/constraints.md (register_contraint "t"): Define.
233 (register_constraint "w"): Change to D0-D15, or D0-D31 for
234 VFPv3/NEON.
235 (register_constraint "x"): Define.
236 (constraint "Dv"): Define.
237
238 2007-07-03 Geoffrey Keating <geoffk@apple.com>
239
240 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
241
242 2007-07-03 Tom Tromey <tromey@redhat.com>
243
244 * c-parser.c (objc_pq_context): Removed.
245 (objc_need_raw_identifier): Likewise.
246 (c_parser) <objc_pq_context>: New field.
247 <objc_need_raw_identifier>: Likewise.
248 (OBJC_NEED_RAW_IDENTIFIER): Removed.
249 (c_lex_one_token): Update.
250 (c_parser_objc_protocol_definition): Update.
251 (c_parser_objc_method_definition): Update.
252 (c_parser_objc_methodproto): Update.
253 (c_parser_declspecs): Update.
254
255 2007-07-03 David Ung <davidu@mips.com>
256
257 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
258
259 2007-07-03 David Ung <davidu@mips.com>
260 Richard Sandiford <richard@codesourcery.com>
261
262 * doc/invoke.texi: Document -march=74kf3_2.
263 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
264 (TUNE_74K): Check for it.
265 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
266 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
267 * config/mips/mips.md (cpu): Add 74kf3_2.
268 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
269 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
270 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
271 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
272 74kf3_2 to the CPU list.
273 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
274 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
275 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
276 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
277 (r74kf3_2_fxfer_from_c1): New insn reservations.
278
279 2007-07-03 Richard Sandiford <richard@codesourcery.com>
280 David Ung <davidu@mips.com>
281
282 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
283 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
284 and 74k[fx]. Document aliases for the new options.
285 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
286 (PROCESSOR_24KF2_1): ...this.
287 (PROCESSOR_24KX): Rename to...
288 (PROCESSOR_24KF1_1): ...this.
289 (PROCESSOR_74KF): Rename to...
290 (PROCESSOR_74KF2_1): ...this.
291 (PROCESSOR_74KX): Rename to...
292 (PROCESSOR_74KF1_1): ...this.
293 (TUNE_74K): Update PROCESSOR_* names.
294 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
295 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
296 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
297 (mips_rtx_cost_data): Update processor names in comments.
298 (mips_issue_rate): Update PROCESSOR_* names.
299 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
300 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
301 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
302 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
303 Update cpu attribute names.
304 (r24k_fpu_iss): Rename this reservation to...
305 (r24kf2_1_fpu_iss): ...this and update all uses.
306 (r24kx_fpu_iss): Rename this reservation to...
307 (r24kf1_1_fpu_iss): ...this and update all uses.
308 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
309 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
310 Update cpu attribute names.
311
312 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
313
314 * config/m32r/constraints.md: New file.
315 * config/m32r/m32r.c: Include tm-constrs.h.
316 (small_data_operand): Use satisfies_constraint_* instead of macro.
317 (addr24_operand, gen_compare): Likewise.
318 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
319 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
320 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
321 EXTRA_CONSTRAINT): Likewise.
322 * config/m32r/m32r.md: Include constraints.md.
323 (*movsi_insn): Use satisfies_constraint_* instead of macro.
324 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
325 * config/m32r/predicates.md (conditional_move_operand): Likewise.
326 (two_insn_const_operand, int8_operand, uint16_operand,
327 reg_or_int16_operand, reg_or_uint16_operand,
328 reg_or_cmp_int16_operand, cmp_int16_operand,
329 seth_add3_operand): Likewise.
330
331 2007-07-03 Eric Christopher <echristo@gmail.com>
332
333 * libgcc2.h: Conditionally declare __bswapsi2 and
334 __bswapdi2.
335
336 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
337
338 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
339 defined.
340
341 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
342
343 PR target/28307
344 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
345 (__gthrw_pragma): Provide default definition.
346 (__gthrw2): Use it.
347 * gthr-posix.c (__gthrw_pragma): Define.
348
349 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
350
351 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
352 before declaring inequality.
353
354 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
355
356 * combine.c (recog_for_combine): Log the success or failure of
357 matching new insn patterns against the machine description in
358 detailed dumps.
359
360 2007-07-03 Revital Eres <eres@il.ibm.com>
361
362 * ddg.c (print_sccs): New function.
363 (check_sccs): New function.
364 (create_ddg_all_sccs): Use it.
365 * ddg.h (print_sccs): Declare.
366 * modulo-sched.c (sms_order_nodes): Call print_sccs.
367
368 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
369
370 * targhooks.h (default_mode_for_suffix): New function declaration.
371 * targhooks.c (default_mode_for_suffix): New default target hook.
372 * target.h (struct c): New structure in the targetm struct.
373 (mode_for_suffix): New target hook as part of struct c.
374 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
375 default_mode_for_suffix.
376 (TARGET_C): New define.
377 * c-lex.c: Include "target.h".
378 (interpret_float): Use targetm.c.mode_for_suffix to determine
379 the mode for a given non-standard suffix.
380 Makefile.in (c-lex.o): Depend on $(TARGET_H).
381
382 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
383 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
384
385 * doc/extend.texi (Floating Types): New node. Document __float80 and
386 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
387
388 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
389
390 PR target/32506
391 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
392 predicate instead of target_operand.
393 (divsi3_i1_media, divsi3_media_2): Likewise.
394
395 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
396
397 * tree.h (alias_sets_might_conflict_p): Rename into
398 alias_sets_must_conflict_p.
399 * alias.c (alias_sets_might_conflict_p): Likewise.
400 (alias_sets_conflict_p): Use it.
401 (objects_must_conflict_p): Likewise.
402 * c-common.c (strict_aliasing_warning): Adjust.
403
404 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
405
406 * rtlhooks.c (gen_lowpart_if_possible): Check for
407 invalid subreg before calling gen_lowpart_SUBREG.
408
409 2007-07-02 Geoffrey Keating <geoffk@apple.com>
410
411 * config/darwin9.h: Add copyright notice.
412 (LINK_COMMAND_SPEC): Add comment.
413 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
414 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
415 DARWIN_LIBSYSTEM_HAS_UNWIND.
416
417 2007-07-02 Jakub Jelinek <jakub@redhat.com>
418
419 PR libgomp/32468
420 * omp-low.c (check_combined_parallel): New function.
421 (lower_omp_parallel): Call it via walk_stmts, set
422 OMP_PARALLEL_COMBINED if appropriate.
423 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
424 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
425 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
426 don't consider it as combined parallel.
427
428 2007-07-02 Richard Sandiford <richard@codesourcery.com>
429
430 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
431 (gcc_tooldir): Likewise.
432 * configure: Regenerate.
433 * Makefile.in (libsubdir_to_prefix): New variable, based on the
434 old configure.ac gcc_tooldir setting.
435 (prefix_to_exec_prefix): New variable.
436 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
437 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
438
439 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
440
441 Fix PR tree-optimization/32583
442 Fix PR tree-optimization/32584
443 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
444 (phi_translate_set): Use phi_translate directly now.
445 (make_values_for_stmt): Don't value number RHS if we already know
446 it is constant.
447
448 2007-07-02 Steve Ellcey <sje@cup.hp.com>
449 Jim Wilson <wilson@specifix.com>
450
451 PR target/31684
452 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
453 copy_insn.
454
455 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
456 Richard Sandiford <richard@codesourcery.com>
457 Nigel Stephens <nigel@mips.com>
458
459 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
460 (mips16e_output_save_restore): Declare.
461 (mips16e_save_restore_pattern_p): Likewise.
462 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
463 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
464 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
465 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
466 (BITSET_P): New global macro, extracted from...
467 (mips_for_each_saved_reg): ...here.
468 (mips16e_save_restore_info): New struct.
469 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
470 (mips16e_save_restore_regs): New variable.
471 (mips_split_plus, mips16e_find_first_register): New functions.
472 (mips16e_mask_registers): New function.
473 (compute_frame_size): Expand the commentary before the function.
474 Enforce the MIPS16e save and restore register range restrictions.
475 Pad the general register save area at the low end.
476 (mips16e_save_restore_reg, mips16e_build_save_restore)
477 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
478 (mips16e_output_save_restore, mips16e_collect_propagate_value)
479 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
480 New functions.
481 (mips_expand_prologue, mips_expand_epilogue): Handle
482 GENERATE_MIPS16E_SAVE_RESTORE.
483 * config/mips/mips.md (*mips16e_save_restore): New pattern.
484
485 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
486
487 PR tree-optimization/31966
488 PR tree-optimization/32533
489 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
490 "basic_block" description as its third argument. Update function
491 calls to get destination bb from "edge" argument. Save "cond" into
492 aux field of the edge. Update prototype for changed arguments.
493 (if_convertible_loop_p): Clear aux field of incoming edges if bb
494 contains phi node.
495 (find_phi_replacement_condition): Operate on incoming edges, not
496 on predecessor blocks. If there is a condition saved in the
497 incoming edge aux field, AND it with incoming bb predicate.
498 Return source bb of the first edge.
499 (clean_predicate_lists): Clean aux field of outgoing node edges.
500 (tree_if_conversion): Do not initialize cond variable. Move
501 variable declaration into the loop.
502 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
503 initializations of new_stmt, arg0 and arg1 variables.
504
505 2007-07-02 Jakub Jelinek <jakub@redhat.com>
506
507 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
508 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
509
510 2007-07-02 Richard Guenther <rguenther@suse.de>
511
512 * tree-ssa.c (useless_type_conversion_p): Document
513 future intent as defining the middle-end type system.
514 Re-structure to call langhook last, group by type class,
515 mark questionable parts.
516
517 2007-07-02 Richard Guenther <rguenther@suse.de>
518
519 * tree-flow.h (types_compatible_p): Declare.
520 * tree-ssa.c (types_compatible_p): New function.
521 * ipa-type-escape.c (discover_unique_type): Use
522 types_compatible_p instead of lang_hooks.types_compatible_p.
523 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
524 * tree-vn.c (expressions_equal_p): Likewise.
525 * tree.c (fields_compatible_p): Likewise.
526 * tree-ssa-dom.c (avail_expr_eq): Likewise.
527 (cprop_operand): Use useless_type_conversion_p instead of
528 lang_hooks.types_compatible_p.
529 * tree-inline.c (setup_one_parameter): Likewise.
530 (declare_return_variable): Likewise.
531 * tree-nrv.c (tree_nrv): Likewise.
532 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
533 (maybe_fold_offset_to_component_ref): Likewise.
534 (maybe_fold_offset_to_reference): Likewise.
535 * tree-ssa-copy.c (may_propagate_copy): Likewise.
536 (merge_alias_info): Likewise.
537 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
538 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
539 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
540 * tree-tailcall.c (find_tail_calls): Likewise.
541 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
542 * gimplify.c (canonicalize_addr_expr): Likewise.
543 (fold_indirect_ref_rhs): Likewise.
544 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
545 (cpt_same_type): Likewise.
546 (check_pointer_types_r): Swap parameters to cpt_same_type
547 where appropriate.
548 * fold-const.c (fold_convert): Revert fix for PR15988.
549 * tree-inline.c (setup_one_parameter): Instead fix it here by
550 using fold_build1 instead of fold_convert and checking for
551 error_mark_node. Convert only if the conversion is necessary.
552
553 2007-07-02 Joseph Myers <joseph@codesourcery.com>
554
555 * configure.ac: Check for .gnu_attribute on Power.
556 * configure: Regenerate.
557 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
558 attribute for floating-point ABI.
559
560 2007-07-02 Ira Rosen <irar@il.ibm.com>
561
562 PR tree-optimization/32230
563 PR tree-optimization/32477
564 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
565 address is a constant.
566
567 2007-07-02 Richard Sandiford <richard@codesourcery.com>
568
569 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
570 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
571 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
572 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
573 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
574 64-bit targets. Add support for *-elfoabi*.
575 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
576 different settings if $(tm_defines) does not select the EABI.
577 (MULTILIB_EXCLUSIONS): Define in those circumstances.
578 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
579 (MIPS_ARCH_OPTION_SPEC): Likewise.
580 (MIPS_ISA_LEVEL_SPEC): Likewise.
581 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
582 * config/mips/elfoabi.h: New file.
583
584 2007-07-02 Richard Guenther <rguenther@suse.de>
585
586 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
587 (useless_type_conversion_p): ... this.
588 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
589 (useless_type_conversion_p): ... this.
590 * builtins.c (fold_builtin_memory_op): Rename
591 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
592 * tree-cfg.c (verify_expr): Likewise.
593 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
594 * tree-ssa-ccp.c (ccp_fold): Likewise.
595 * tree-ssa-copy.c (may_propagate_copy): Likewise.
596 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
597 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
598 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
599 * tree-ssa-pre.c (eliminate): Likewise.
600 * tree-ssa.c (delete_tree_ssa): Likewise.
601 (tree_ssa_useless_type_conversion): Likewise.
602 * tree.c (build2_stat): Likewise.
603
604 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
605
606 Fix PR tree-optimization/32571
607 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
608 simplifying them.
609
610 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
611
612 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
613 and other expected operations explicitly, change default to
614 gcc_unreachable.
615
616 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
617
618 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
619 PARALLEL.
620 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
621 (tls_load_dot_plus_eight): Move the label number into the unspec.
622 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
623
624 2007-07-01 Andreas Schwab <schwab@suse.de>
625
626 * dwarf2out.c (initial_return_save): Define only if used.
627
628 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
629
630 Unreverting Richard's Revert of:
631
632 2007-06-27 Richard Sandiford <richard@codesourcery.com>
633
634 * dce.c (deletable_insn_p_1): New function, split out from...
635 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
636 specially, not those inside PARALLELs. Remove BODY argument
637 and adjust recursive call accordingly.
638 (prescan_insns_for_dce): Update call to delete_insn_p.
639
640 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
641 Revital Eres <eres@il.ibm.com>
642
643 * ddg.c (create_ddg_all_sccs): Fix missed
644 initialization of scc_nodes.
645
646 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
647
648 PR middle-end/32559
649 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
650 X + ~X to 1 only for INTEGRAL_TYPE_P type.
651
652 2007-06-30 Joseph Myers <joseph@codesourcery.com>
653
654 * configure.ac: Check for .gnu_attribute on MIPS.
655 * configure, config.in: Regenerate.
656 * config/mips/mips.c (mips_file_start): If supported, output
657 attribute for floating-point ABI.
658
659 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
660
661 PR target/32433
662 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
663 (ffs_cmove): New expander to expand using ctz pattern.
664 (*ffs_cmove): Remove pattern.
665 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
666 (ffsdi2): Expand using ctz pattern.
667 (*ffs_rex64): Remove pattern.
668
669 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
670
671 PR rtl-optimization/32296
672 * pa.md (return): Delete pattern.
673 (return_internal): Remove "(const_int 1)" from pattern.
674 (epilogue): Use return_internal pattern for trivial returns.
675 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
676 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
677
678 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
679
680 * tree-ssa-pre.c (is_exception_related): New function
681 (can_value_number_operation): Use it.
682
683 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
684
685 Fix PR tree-optimization/32540
686 Fix PR tree-optimization/31651
687
688 * tree-ssa-sccvn.c: New file.
689
690 * tree-ssa-sccvn.h: Ditto.
691
692 * tree-vn.c: Include tree-ssa-sccvn.h
693 (val_expr_paid_d): Removed.
694 (value_table): Ditto.
695 (vn_compute): Ditto.
696 (val_expr_pair_hash): Ditto.
697 (val_expr_pair_expr_eq): Ditto.
698 (copy_vuses_from_stmt): Ditto.
699 (vn_delete): Ditto.
700 (vn_init): Ditto.
701 (shared_vuses_from_stmt): Ditto.
702 (print_creation_to_file): Moved up.
703 (sort_vuses): Ditto.
704 (sort_vuses_heap): Ditto.
705 (set_value_handle): Make non-static.
706 (make_value_handle): Ditto.
707 (vn_add): Rewritten to use sccvn lookups.
708 (vn_add_with_vuses): Ditto.
709 (vn_lookup): Ditto (and second argument removed).
710 (vn_lookup_with_vuses): Ditto.
711 (vn_lookup_or_add): Ditto (and second argument removed);
712 (vn_lookup_or_add_with_vuses): Ditto.
713 (vn_lookup_with_stmt): New.
714 (vn_lookup_or_add_with_stmt): Ditto.
715 (create_value_handle_for_expr): Ditto.
716
717 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
718 (seen_during_translate): New function.
719 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
720 (phi_trans_add): Ditto.
721 (constant_expr_p): FIELD_DECL is always constant.
722 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
723 Use constant_expr_p.
724 Avoid infinite recursion on mutually valued expressions.
725 Change callers of vn_lookup_or_add.
726 (phi_translate): New function.
727 (compute_antic_safe): Allow phi nodes.
728 (create_component_ref_by_pieces): Update for FIELD_DECL change.
729 (find_or_generate_expression): Rewrite slightly.
730 (create_expression_by_pieces): Updated for vn_lookup_or_add
731 change.
732 Update VN_INFO for new names.
733 (insert_into_preds_of_block): Update for new names.
734 (add_to_exp_gen): New function.
735 (add_to_sets): Use vn_lookup_or_add_with_stmt.
736 (find_existing_value_expr): Rewrite to changed vn_lookup.
737 (create_value_expr_from): Ditto, and use add_to_exp_gen.
738 (try_look_through_load): Removed.
739 (try_combine_conversion): Ditto.
740 (get_sccvn_value): New function.
741 (make_values_for_phi): Ditto.
742 (make_values_for_stmt): Ditto.
743 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
744 SCCVN.
745 (init_pre): Update for SCCVN changes.
746 (fini_pre): Ditto.
747 (execute_pre): Ditto.
748
749 * tree-flow.h (make_value_handle): Declare.
750 (set_value_handle): Ditto.
751 (sort_vuses_heap): Ditto.
752 (vn_lookup_or_add_with_stmt): Ditto.
753 (vn_lookup_with_stmt): Ditto.
754 (vn_compute): Remove.
755 (vn_init): Ditto.
756 (vn_delete): Ditto.
757 (vn_lookup): Update arguments.
758
759 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
760 (tree-vn.o): Ditto.
761 (tree-ssa-sccvn.o): New.
762 (OBJS-common): Add tree-ssa-sccvn.o
763
764 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
765
766 PR c/4076
767 * c-typeck.c (build_external_ref): Don't mark as used if called
768 from itself.
769 * calls.c (rtx_for_function_call): Likewise.
770
771 2007-06-30 Richard Sandiford <richard@codesourcery.com>
772
773 Revert:
774
775 2007-06-27 Richard Sandiford <richard@codesourcery.com>
776
777 * dce.c (deletable_insn_p_1): New function, split out from...
778 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
779 specially, not those inside PARALLELs. Remove BODY argument
780 and adjust recursive call accordingly.
781 (prescan_insns_for_dce): Update call to delete_insn_p.
782
783 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
784
785 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
786 (try_combine): Move potential calls to undo_all() so they happen
787 before we commit to using the combined insns.
788
789 2006-06-30 Jan Hubicka <jh@suse.cz>
790
791 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
792 code.
793
794 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
795
796 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
797 (cgraph_remove_unreachable_nodes): Likewise.
798 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
799 * ipa-inline.c (update_caller_keys): Cast according to the coding
800 conventions.
801 (cgraph_decide_recursive_inlining): Likewise.
802 (cgraph_decide_inlining_of_small_function): Likewise.
803 (try_inline): Likewise.
804 (cgraph_decide_inlining_incrementally): Likewise.
805 * ipa-pure-const.c (get_function_state): Likewise.
806 (scan_function): Likewise.
807 (analyze_function): Likewise.
808 (static_execute): Likewise.
809 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
810 (merge_callee_local_info): Likewise.
811 (analyze_function): Use type safe memory macros.
812 (static_execute): Likewise. Cast according to the coding conventions.
813 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
814 conventions.
815 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
816 names.
817 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
818 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
819 variable names.
820
821 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
822
823 PR middle-end/30024
824 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
825 for complex modes (both int and real).
826
827 2007-06-29 Jan Hubicka <jh@suse.cz>
828
829 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
830
831 2007-06-29 Jan Hubicka <jh@suse.cz>
832
833 PR middle-end/32372
834 * cse.c (cse_insn): Avoid invalid sharing in between register note and
835 the insn pattern.
836
837 2007-06-29 Anatoly Sokolov <aesok@post.ru>
838
839 PR target/32335
840 * config/avr/avr.c: Include dataflow header file.
841 (expand_prologue): Adjust for prologue insn change.
842 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
843 inside a insn.
844
845 2007-06-29 Richard Guenther <rguenther@suse.de>
846
847 PR middle-end/32493
848 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
849 during type verification.
850
851 2007-06-29 Jan Hubicka <jh@suse.cz>
852
853 * recog.c (validate_change_rtx_1): Unshare TO argument.
854
855 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
856
857 PR tree-optimization/24659
858 * tree-vect-transform.c (vectorizable_call): Handle
859 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
860
861 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
862 * config/i386/i386.c (enum ix86_builtins)
863 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
864 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
865 description.
866 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
867 const using def_builtin_const.
868 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
869 input operands in the same modes as the result.
870 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
871
872 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
873
874 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
875 (df_set_dead_notes_for_mw): Likewise.
876
877 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
878
879 * c-common.c (pointer_int_sum): Do the negation in sizetype.
880
881 2007-06-28 DJ Delorie <dj@redhat.com>
882
883 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
884
885 2007-06-28 Geoffrey Keating <geoffk@apple.com>
886
887 * doc/invoke.texi (C++ Dialect Options): Document
888 fvisibility-ms-compat.
889 * c.opt (fvisibility-ms-compat): New.
890
891 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
892
893 PR tree-opt/32417
894 * tree-affine.c (aff_combination_add_elt): Handle
895 pointer addition specially.
896
897 2007-06-28 Jakub Jelinek <jakub@redhat.com>
898
899 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
900 decl is non-external for AIX ABI.
901
902 2007-06-28 David Edelsohn <edelsohn@gnu.org>
903
904 * config/rs6000/predicates.md (current_file_function_operand):
905 Ensure the symbol is non-external for AIX ABI.
906
907 2007-06-28 Nick Clifton <nickc@redhat.com>
908
909 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
910 (fdce, fdse, fpredictive-commoning): Likewise.
911
912 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
913
914 PR other/31400
915 * gcc.c (process_command): Recognize the new -static-libgfortran
916 option.
917
918 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
919
920 PR target/32418
921 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
922 Use a call clobbered hard reg instead of a pseudo reg.
923
924 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
925
926 * config/sh/sh.md (load_gbr): Use correct operand constraint.
927
928 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
929
930 PR target/32479
931 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
932 REG_LIBCALL and REG_RETVAL notes.
933 (divsi3, mulsi3): Likewise.
934 (mulhisi3): Likewise. Use emit_libcall_block.
935 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
936
937 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
938
939 PR rtl-optimization/32481
940 * combine.c (adjust_for_new_dest): Rescan the changed insn.
941
942 2007-06-27 Richard Sandiford <richard@codesourcery.com>
943
944 * dce.c (deletable_insn_p_1): New function, split out from...
945 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
946 specially, not those inside PARALLELs. Remove BODY argument
947 and adjust recursive call accordingly.
948 (prescan_insns_for_dce): Update call to delete_insn_p.
949
950 2007-06-27 Richard Guenther <rguenther@suse.de>
951
952 PR middle-end/32492
953 * tree.h (fold_convertible_p): Declare.
954 * fold-const.c (fold_convertible_p): New function.
955 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
956 instead of lang_hooks.types_compatible_p.
957
958 2007-06-26 Jan Hubicka <jh@suse.cz>
959
960 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
961 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
962 early use validate_unshare_change.
963 (reload_combine): Likewise.
964 * recog.c (change_t): New field unshare.
965 (validate_change_1): Rename from validate_change; add argument unshare.
966 (validate_change): Turn into wrapper of validate_change_1; update
967 prototype for bools.
968 (validate_unshare_change): New.
969 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
970 calls of df_insn_rescan.
971 * recog.h (validate_change): Replace ints by bools.
972 (validate_unshare_change): Declare.
973
974 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
975
976 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
977
978 2007-06-26 Steve Ellcey <sje@cup.hp.com>
979
980 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
981
982 2007-06-25 Jan Hubicka <jh@suse.cz>
983
984 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
985 uninlinable call.
986 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
987 cgraph_decide_inlining_incrementally): Move uninlinability checks to
988 places other call site specific checks are performed.
989
990 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
991
992 PR tree-opt/32421
993 * tree-vect-transform.c (vectorizable_operation): Convert
994 POINTER_PLUS_EXPR over to PLUS_EXPR.
995
996 2007-06-25 Chao-ying Fu <fu@mips.com>
997
998 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
999 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
1000 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
1001 Document GET_MODE_IBIT, and GET_MODE_FBIT.
1002
1003 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
1004 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1005 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
1006 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
1007 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
1008 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
1009 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
1010 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
1011 ALL_FIXED_POINT_MODE_P): New define.
1012 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1013 MODE_UACCUM.
1014 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
1015
1016 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
1017 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1018 MODE_VECTOR_UACCUM): New mode classes.
1019
1020 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
1021 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
1022 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
1023 USA, UDA, and UTA.
1024
1025 * genmodes.c (struct mode_data): Add ibit and fbit fields.
1026 (blank_mode): Initialize ibit and fbit.
1027 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
1028 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
1029 (new_adjust): Change required_class to required_class_from and
1030 required_class_to for testing within a range.
1031 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1032 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1033 MODE_VECTOR_UACCUM.
1034 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
1035 (make_fixed_point_mode): New.
1036 (_ADD_ADJUST): Change C to C1 and C2.
1037 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
1038 use a range for machine classes.
1039 (ADJUST_IBIT, ADJUST_FBIT): New.
1040 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
1041 CONST_MODE_FBIT.
1042 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
1043 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1044 Emit adjustment for ibit and fbit.
1045 (emit_mode_ibit, emit_mode_fbit): New.
1046 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
1047
1048 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
1049
1050 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
1051 as the source of the set.
1052
1053 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
1054
1055 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
1056 FP_REGNO_P): Use IN_RANGE.
1057 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
1058 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
1059 (DATA_REG_P): Use DATA_REGNO_P.
1060 (FP_REG_P): Use FP_REGNO_P.
1061 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
1062 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
1063 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
1064
1065 2007-06-24 Jan Hubicka <jh@suse.cz>
1066
1067 PR middle-end/30563
1068 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
1069
1070 2007-06-24 Sebastian Pop <sebpop@gmail.com>
1071
1072 PR middle-end/32461
1073 * fold-const.c (fold_binary): Strip nops of operand 0
1074 of BIT_NOT_EXPR before calling operand_equal_p.
1075 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
1076 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
1077
1078 2007-06-23 Mark Mitchell <mark@codesourcery.com>
1079
1080 * doc/extend.texi: Document that dllimport and dllexport imply
1081 default visibility.
1082 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
1083 imported or exported declaration, including type declarations.
1084 * c-common.c (handle_visibility_attribute): Check for conflicts
1085 with dllimport/dllexport.
1086 (c_determine_visibility): Handle dllimport/dllexport as an
1087 explicit visibility atttribute.
1088
1089 2007-06-23 Richard Guenther <rguenther@suse.de>
1090
1091 PR tree-optimization/16876
1092 PR middle-end/29478
1093 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1094 for CALL_EXPRs.
1095 * tree-inline.c (initialize_inlined_parameters): Do not call
1096 lang_hooks.tree_inlining.convert_parm_for_inlining.
1097 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1098 reason for mismatched types.
1099 * gimplify.c (gimplify_call_expr): Verify the call expression
1100 arguments match the called function type signature. Otherwise
1101 mark the call expression to be not considered for inlining
1102 using CALL_CANNOT_INLINE_P flag.
1103 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1104 edges call expression.
1105 (cgraph_decide_inlining_of_small_function): Likewise.
1106 (cgraph_decide_inlining): Likewise.
1107 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1108 Remove define.
1109 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1110 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1111 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1112 Remove declaration.
1113 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1114 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1115 Remove.
1116 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1117 convert_parm_for_inlining member.
1118
1119 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1120
1121 PR target/31152
1122 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1123 Remove optimization for GT.
1124
1125 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1126
1127 PR middle-end/32437
1128 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1129 is a PARALLEL.
1130 (prescan_insns_for_dce): Add extra parameter.
1131
1132 2007-06-23 Jan Hubicka <jh@suse.cz>
1133
1134 PR middle-end/31541
1135 * gimplify.c (mark_addressable): New function.
1136 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1137
1138 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1139
1140 PR middle-end/32374
1141 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1142
1143 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1144
1145 PR target/32413
1146 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1147 moves between MMX/SSE registers to at least 8 units to prevent
1148 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1149
1150 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1151
1152 * config/i386/i386.c (override_options): Correct x86_sahf
1153 setting condition.
1154
1155 2007-06-21 David Daney <ddaney@avtrex.com>
1156
1157 PR target/32406
1158 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1159 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1160 (exception_receiver): Renamed to ...
1161 (nonlocal_goto_receiver): ... this.
1162
1163 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1164
1165 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1166 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1167 partial register accesses.
1168
1169 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1170
1171 * fold-const.c (debug_fold_checksum): Move it under
1172 ENABLE_FOLD_CHECKING.
1173
1174 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1175
1176 PR middle-end/20623
1177 * tree.h (debug_fold_checksum): Declared.
1178 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1179 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1180 build_fold_addr_expr_with_type_1.
1181 (fold_addr_expr, debug_fold_checksum): New.
1182 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1183 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1184 Use fold_addr_expr.
1185
1186 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1187
1188 PR tree-optimization/19590
1189 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1190 of scev is a constant.
1191 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1192
1193 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1194
1195 * df-problems.c (df_note_bb_compute): Made computation of live
1196 info consistent with df_lr.
1197
1198 2007-06-21 Richard Guenther <rguenther@suse.de>
1199
1200 PR tree-optimization/32453
1201 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1202 for pointer anti-range.
1203
1204 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1205
1206 * config/i386/i386.c (processor_target_table): Increase maximum
1207 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1208 default 64bit.
1209
1210 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1211 byte alignment if > 8 byte alignment is preferred.
1212 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1213
1214 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1215
1216 PR tree-optimization/31866
1217 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1218 if ASM_EXPR's input is not a SSA_NAME.
1219
1220 PR middle-end/32362
1221 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1222 but decl is a global var, instead return decl.
1223 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1224 even for is_global_var decls, if they are private in some outer
1225 context.
1226
1227 2007-06-21 Richard Guenther <rguenther@suse.de>
1228
1229 PR tree-optimization/32451
1230 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1231
1232 2007-06-21 Christian Bruel <christian.bruel@st.com>
1233
1234 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1235 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1236 (push_regs): Changed saving order or banked registers.
1237 (sh_expand_epilogue): Likewise.
1238 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1239 (FIRST_BANKED_REG): Likewise.
1240 (LAST_BANKED_REG): Likewise.
1241 * config/sh/sh.md (banked) New attribute.
1242 (in_delay_slot): Check banked attribute.
1243
1244 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1245
1246 PR tree-optimization/32075
1247 * tree-data-ref.c (subscript_dependence_tester_1,
1248 analyze_miv_subscript, analyze_overlapping_iterations,
1249 add_distance_for_zero_overlaps, build_classic_dist_vector,
1250 subscript_dependence_tester_1, analyze_overlapping_iterations,
1251 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1252 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1253 to evolution_function_is_affine_multivariate_p.
1254
1255 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1256
1257 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1258
1259 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1260
1261 PR target/32335
1262 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1263 for TARGET_A16.
1264 * config/m32c/prologue.md (epilogue_exitd_16): New.
1265 (epilogue_reit_16): New.
1266 (epilogue_exitd): Rename to epilogue_exitd_24.
1267 (epilogue_reit): Rename to epilogue_reit_24.
1268
1269 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1270 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1271
1272 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1273 New counters.
1274 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1275 if dbg_cnt (sched_insn) reaches the limit.
1276 (choose_ready): New parameter INSN_PTR and new return value.
1277 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1278 the new return value from choose_ready.
1279 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1280 (rest_of_handle_global_alloc): New global_alloc_at_func.
1281
1282 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1283
1284 PR tree-optimization/25737
1285 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1286 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1287 * tree-flow.h (struct fieldoff): Add new field alias_set.
1288 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1289 argument addressable_type. Set alias_set of fieldoff.
1290 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1291 (create_overlap_variables_for): Pass alias_set from fieldoff to
1292 create_sft.
1293 * alias.c (get_alias_set): Use alias_set from SFT if set.
1294
1295 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1296
1297 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1298 of a variable as an unsigned HOST_WIDE_INT integer.
1299
1300 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1301
1302 PR rtl-optimization/32405
1303 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1304
1305 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1306
1307 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1308
1309 PR middle-end/31959
1310 * builtins.c: Include diagnostic.h.
1311 (expand_builtin_expect): Make gcc_assert more permissive.
1312 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1313
1314 PR inline-asm/32109
1315 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1316 and !allows_mem.
1317
1318 PR middle-end/32285
1319 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1320 if ACCUMULATE_OUTGOING_ARGS.
1321
1322 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1323
1324 * config/m68hc11/m68hc11.c: Include dataflow header file.
1325 (m68hc11_reorg): Port to dataflow.
1326
1327 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1328
1329 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
1330 (struct df_problem.free_blocks_on_set_blocks): New field.
1331 (struct dataflow.optional_p): New field.
1332 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1333 (df_live_set_all_dirty): New function.
1334 * df-scan.c (df_scan_alloc): Initialize optional_p.
1335 (problem_SCAN): Initialize free_blocks_on_set_blocks.
1336 * df-core.c (df_set_blocks): Removed use of
1337 DF_FIRST_OPTIONAL_PROBLEM. Now uses
1338 df_problem.free_blocks_on_set_blocks to determine which blocks are
1339 recycled.
1340 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
1341 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
1342 uses dataflow.optional_p to determine if problem should be
1343 deleted.
1344 (rest_of_handle_df_initialize): Only start live problem if
1345 -02 or above.
1346 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1347 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
1348 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
1349 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
1350 problem_NOTE): Initialize free_blocks_on_set_blocks.
1351 (df_lr_bb_local_compute): Recompute luids if df_live problem is
1352 not active.
1353 (df_live_set_all_dirty, df_note_alloc): New function.
1354 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
1355 df_get_live_*.
1356 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
1357 * postreload.c (reload_combine): Ditto.
1358 * cse.c (cse_extended_basic_block): Ditto.
1359 * regmove.c (mark_flags_life_zones): Ditto.
1360 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
1361 erase_matching_seqs): Ditto.
1362 * bt-load.c (compute_defs_uses_and_gen): Ditto.
1363 * integrate (allocate_initial_values): Ditto.
1364 * combine.c (reg_dead_at_p): Ditto.
1365 * resource.c (mark_target_live_regs): Ditto.
1366 * sched-rgn.c (check_live_1, update_live_1): Ditto.
1367 * config/sh/sh.c (find_r0_life_regions): Ditto.
1368 * global.c (rest_of_handle_global_alloc): Only add back df_live
1369 for -O > 1.
1370 * local-alloc.c (rest_of_handle_local_alloc): Only remove
1371 df_live for -O > 1.
1372 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
1373 df_get_live_*.
1374 (if_convert): Make sure df_live is there at -O == 1.
1375 (pass_if_after_combine): Cleanup flags.
1376 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
1377 is there at -O == 1.
1378
1379 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
1380
1381 * config/arm/arm.c (arm_get_frame_offsets): Set
1382 offsets->locals_base to avoid negative stack size.
1383 (thumb1_expand_prologue): Assert on negative stack size.
1384
1385 2007-04-19 Sebastian Pop <sebpop@gmail.com>
1386
1387 PR tree-optimization/32367
1388 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
1389 of the chrec has no evolution in that loop.
1390 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
1391
1392 2007-06-19 Bob Wilson <bob.wilson@acm.org>
1393
1394 * config/xtensa/xtensa.c: Include "df.h".
1395 (xtensa_builtin_saveregs): Use adjust_address instead of change_address.
1396 (xtensa_va_start): Invoke make_tree with sizetype for
1397 expand_builtin_saveregs and then convert the result to a pointer.
1398 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
1399 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
1400 Subtract argument size from index value as integers and then use
1401 POINTER_PLUS_EXPR to add the result to the array address.
1402
1403 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1404
1405 PR target/32335
1406 * config/m32c/m32c.c: Include dataflow header file.
1407 (m32c_emit_prologue): Adjust for prologue insn change.
1408 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
1409 once inside a PARALLEL. Assume frame size passed in operand 0
1410 includes space to save the fb register.
1411 (prologue_enter_24): Likewise.
1412 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
1413
1414 2007-06-19 David Daney <ddaney@avtrex.com
1415
1416 PR target/32313
1417 * config/mips/mips.md (cprestore): Mark $gp as used.
1418
1419 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1420
1421 PR target/32369
1422 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
1423 (frv_ifcvt_modify_insn): Likewise.
1424
1425 2007-06-19 Richard Guenther <rguenther@suse.de>
1426
1427 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
1428 only handle positive offsets that fit in a HOST_WIDE_INT.
1429
1430 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
1431
1432 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
1433 result of rsqrt insn for zero input argument to avoid NaN.
1434
1435 2007-06-19 Richard Guenther <rguenther@suse.de>
1436
1437 PR middle-end/31950
1438 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
1439
1440 2007-06-19 Jakub Jelinek <jakub@redhat.com>
1441
1442 PR tree-optimization/32353
1443 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
1444
1445 2007-06-19 Nick Clifton <nickc@redhat.com>
1446
1447 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
1448
1449 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1450
1451 PR target/32389
1452 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
1453 * config/i386/i386.c (assign_386_stack_local): Assert that
1454 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
1455 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
1456 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
1457 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
1458
1459 2007-06-18 Steve Ellcey <sje@cup.hp.com>
1460
1461 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
1462
1463 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
1464
1465 PR rtl-optimization/32321
1466 * gcse.c (replace_store_insn): Update the note before
1467 calling emit_insn_after.
1468
1469 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1470
1471 PR middle-end/32355
1472 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
1473 cse_main.
1474 * df-problems.c (df_note_bb_compute): Fix dumping info.
1475
1476 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
1477
1478 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
1479 insn with emit_jump_insn.
1480
1481 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1482
1483 PR tree-optimization/32383
1484 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
1485 * targhooks.h (default_builtin_reciprocal): Update prototype.
1486 * target.h (struct gcc_target): Update builtin_reciprocal.
1487 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
1488 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
1489 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
1490 when fndecl is in BUILT_IN_MD class.
1491 (execute_convert_to_rsqrt): Ditto.
1492
1493 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
1494 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
1495 Convert BUILT_IN_SQRTF code only when md_fn is false.
1496
1497 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
1498
1499 * bt-load.c (move_btr_def): Fix the order of arguments
1500 to validate_replace_rtx.
1501
1502 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
1503
1504 * config/m68k/m68k-devices.def: Add 54450..54455.
1505
1506 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
1507
1508 PR rtl-optimization/32366
1509 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
1510 FLOAT_EXTEND]: Prevent non-scalar modes from entering
1511 significand_size.
1512
1513 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
1514
1515 PR middle-end/32349
1516 * modulo-sched (generate_reg_moves): Added rescan parameter and if
1517 this is true, rescan insn being modified.
1518 (sms_schedule): Added rescan parameter.
1519 (rest_of_handle_sms): Moved freeing of dominance info to before
1520 getting out of cfg_layout.
1521
1522 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
1523
1524 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
1525 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
1526 appropriate.
1527
1528 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
1529 FL_CF_EMAC from the entry for isac.
1530
1531 * config/m68k/predicates.md (const_call_operand): Adjust comment.
1532 (const_sibcall_operand): New.
1533 (sibcall_operand): Use it.
1534 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
1535 (m68k_isas): ISAC does not imply FPU or EMAC.
1536 (override_options): Add ISA_C logic for symbolic jump & call.
1537
1538 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1539
1540 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
1541 return mode from the builtin itself.
1542 (sparc_fold_builtin): Fix cast of zero constant.
1543
1544 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1545
1546 * targhooks.c (default_builtin_reciprocal): New default target hook.
1547 * targhooks.h (default_builtin_reciprocal): Add prototype.
1548 * hooks.c (hook_tree_tree_bool_null): Remove hook.
1549 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
1550 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
1551 default_builtin_reciprocal.
1552
1553 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1554
1555 PR middle-end/31723
1556 * hooks.c (hook_tree_tree_bool_null): New hook.
1557 * hooks.h (hook_tree_tree_bool_null): Add prototype.
1558 * tree-pass.h (pass_convert_to_rsqrt): Declare.
1559 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
1560 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
1561 and convert it to reciprocal a*rfunc(b).
1562 (execute_convert_to_rsqrt): New function.
1563 (gate_convert_to_rsqrt): New function.
1564 (pass_convert_to_rsqrt): New pass definition.
1565 * target.h (struct gcc_target): Add builtin_reciprocal.
1566 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
1567 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
1568 TARGET_BUILTIN_RECIPROCAL.
1569 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
1570
1571 * config/i386/i386.h (TARGET_RECIP): New define.
1572 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
1573 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1574 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1575 and not optimizing for size.
1576 (*rcpsf2_sse): New insn pattern.
1577 (*rsqrtsf2_sse): Ditto.
1578 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
1579 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1580 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1581 and not optimizing for size.
1582 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
1583 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1584 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1585 and not optimizing for size.
1586 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
1587 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1588 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1589 and not optimizing for size.
1590 (*sse_rsqrtv4sf2): Do not export.
1591 (sqrtv4sf2): Ditto.
1592 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
1593 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1594 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1595 and not optimizing for size.
1596 (sqrtv4sf2): Ditto.
1597 * config/i386/i386.opt (mrecip): New option.
1598 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
1599 (ix86_emit_swsqrtsf): Ditto.
1600 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
1601 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
1602 builtin definition.
1603 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
1604 ix86_expand_unop1_builtin.
1605 (ix86_emit_swdivsf): New function.
1606 (ix86_emit_swsqrtsf): Ditto.
1607 (ix86_builtin_reciprocal): New function.
1608 (TARGET_BUILTIN_RECIPROCAL): Use it.
1609 (ix86_vectorize_builtin_conversion): Rename from
1610 ix86_builtin_conversion.
1611 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
1612 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
1613 "i386 and x86_64 Options" section.
1614 (Intel 386 and AMD x86_64 Options): Document -mrecip.
1615
1616 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1617 Zdenek Dvorak <dvorakz@suse.cz>
1618 Richard Guenther <rguenther@suse.de>
1619 Kaz Kojima <kkojima@gcc.gnu.org>
1620
1621 * tree-vrp.c (compare_values_warnv): Convert val2 to
1622 the type of val1.
1623 (extract_range_from_assert): Create
1624 POINTER_PLUS_EXPR for pointer types.
1625 (extract_range_from_binary_expr): Handle
1626 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
1627 for pointer types.
1628 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
1629 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
1630 POINTER_PLUS_EXPR as PLUS_EXPR.
1631 (number_of_iterations_lt_to_ne):
1632 For pointer types, use sizetype when
1633 creating MINUS_EXPR/PLUS_EXPRs.
1634 (assert_loop_rolls_lt): For pointer types, use sizetype when
1635 creating MINUS_EXPR/PLUS_EXPRs.
1636 (number_of_iterations_le): Likewise.
1637 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
1638 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
1639 like PLUS_EXPR and MINUS_EXPR.
1640 * tree-pretty-print.c (dump_generic_node): Handle
1641 POINTER_PLUS_EXPR.
1642 (op_prio): Likewise.
1643 (op_symbol_1): Likewise.
1644 * optabs.c (optab_for_tree_code): Likewise.
1645 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
1646 specially.
1647 * tree-tailcall.c (process_assignment): Mention
1648 POINTER_PLUS_EXPR in a TODO comment.
1649 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
1650 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
1651 not used with a pointer and an integer type.
1652 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
1653 increment using chrec_convert_rhs instead of chrec_convert.
1654 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
1655 PLUS_EXPR except for the right hand side's type will be
1656 sizetype.
1657 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
1658 (fold_used_pointer_cast): Kill.
1659 (pointer_offset_p): Kill.
1660 (fold_used_pointer): Kill.
1661 (pointer_used_p): Kill.
1662 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
1663 call fold_used_pointer.
1664 (instantiate_parameters_1): Convert the increment
1665 using chrec_convert_rhs instead of chrec_convert.
1666 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
1667 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
1668 instead of PLUS_EXPR.
1669 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
1670 PLUS_EXPR for pointers.
1671 (std_gimplify_va_arg_expr): Likewise.
1672 (fold_builtin_memory_op): Likewise.
1673 (fold_builtin_strstr): Likewise.
1674 (fold_builtin_strchr): Likewise.
1675 (fold_builtin_strrchr): Likewise.
1676 (fold_builtin_strpbrk): Likewise.
1677 (expand_builtin_memory_chk): Likewise.
1678 (fold_builtin_memory_chk): Likewise.
1679 (std_expand_builtin_va_start): Use
1680 sizetype for the call to make_tree and then convert
1681 to the pointer type.
1682 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
1683 instead of PLUS_EXPR for adding to a pointer.
1684 (std_gimplify_va_arg_expr): Use fold_build2 for
1685 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
1686 the operands to sizetype first and then cast the BIT_AND_EXPR
1687 back to the pointer type.
1688 * fold-const.c (build_range_check): Handle pointer types
1689 specially.
1690 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
1691 of PLUS_EXPR's. Make sure the offset is converted to
1692 sizetype.
1693 (try_move_mult_to_index): Strip the NOPs from the offset.
1694 Remove code argument and replace all uses with PLUS_EXPR.
1695 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
1696 specially. Don't use a pointer type for MINUS_EXPR.
1697 (fold_unary): Handle for (T1)(X op Y),
1698 only p+ as that is the only as that can be handled for
1699 binary operators now.
1700 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
1701 POINTER_PLUS_EXPR.
1702 <case PLUS_EXPR>: Add folding of PTR+INT into
1703 PTR p+ INT.
1704 Don't call try_move_mult_to_index.
1705 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
1706 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
1707 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
1708 Don't call try_move_mult_to_index.
1709 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
1710 (tree_expr_nonzero_p): Likewise.
1711 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
1712 of PLUS_EXPR for the complex expression folding.
1713 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
1714 first chrec is a pointer type, then the second should
1715 be sizetype and not the first's type.
1716 For POINTER_PLUS_EXPR, use a different right hand side type.
1717 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1718 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
1719 different right hand side type.
1720 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1721 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
1722 instead of PLUS_EXPR.
1723 When either operand is zero, convert the other operand.
1724 (chrec_apply): Use chrec_convert_rhs
1725 on the argument x instead of chrec_convert.
1726 (reset_evolution_in_loop): For pointer types, the new_evol
1727 should be sizetype.
1728 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
1729 different right hand side type.
1730 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1731 (chrec_convert_rhs): New function.
1732 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
1733 different right hand side type.
1734 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1735 * tree-chrec.h (chrec_convert_rhs): New prototype.
1736 (build_polynomial_chrec): For pointer types, the right hand
1737 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
1738 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
1739 Remove subtraction case as it is always addition now.
1740 Make sure the offset is converted to sizetype.
1741 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
1742 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
1743 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
1744 PLUS_EXPR in pointer type.
1745 Handle POINTER_PLUS_EXPR.
1746 (tree_to_aff_combination): Likewise.
1747 (force_expr_to_var_cost): Likewise.
1748 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
1749 instead of PLUS_EXPR for pointers.
1750 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
1751 instead of PLUS_EXPR of pointer types.
1752 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
1753 as PLUS_EXPR.
1754 (check_va_list_escapes): Likewise.
1755 (check_all_va_list_escapes): Likewise.
1756 * dwarf2out.c (loc_descriptor_from_tree_1):
1757 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
1758 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
1759 (string_constant): Likewise.
1760 * tree-ssa-address.c (tree_mem_ref_addr): When adding
1761 the offset to the base, use POINTER_PLUS_EXPR.
1762 (add_to_parts): Convert the index to sizetype.
1763 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
1764 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
1765 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
1766 Offset only holds something for PLUS_EXPR.
1767 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
1768 a PLUS_EXPR.
1769 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
1770 and not PLUS_EXPR.
1771 (analyze_accesses_for_modify_stmt): Likewise.
1772 Remove comment about the type being integral type as it is
1773 wrong now.
1774 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
1775 PLUS_EXPR.
1776 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
1777 and not PLUS_EXPR.
1778 Correct the type which the artimentic is done in (is now
1779 sizetype).
1780 Reindent one loop.
1781 * tree-data-ref.c (split_constant_offset): Handle
1782 POINTER_PLUS_EXPR
1783 * tree-affine.c (tree_to_aff_combination): Likewise.
1784 * c-typeck.c (build_unary_op): For pointers create the increment
1785 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
1786 for pointers.
1787 * gimplify.c (gimplify_self_mod_expr): Create a
1788 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1789 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
1790 * tree.def (POINTER_PLUS_EXPR): New tree code.
1791 * tree-predcom.c (ref_at_iteration): If we have a pointer
1792 type do the multiplication in sizetype.
1793 * tree-mudflap.c (mf_xform_derefs_1): Create a
1794 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1795 * tree-ssa-forwprop.c
1796 (forward_propagate_addr_into_variable_array_index):
1797 Don't expect there to be a cast for the index as that
1798 does not exist anymore.
1799 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
1800 instead of PLUS_EXPR.
1801 Don't check for the first operand of the POINTER_PLUS_EXPR
1802 was the index as it cannot be.
1803 Call forward_propagate_addr_into_variable_array_index with
1804 the SSA_NAME instead of the statement.
1805 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
1806 (compare_constant): Likewise.
1807 (copy_constant): Likewise.
1808 (compute_reloc_for_constant): Likewise.
1809 (output_addressed_constants): Likewise.
1810 (initializer_constant_valid_p): Likewise.
1811 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
1812 Convert the MIN/MAX of the inner type to the outer
1813 type before comparing them.
1814 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
1815 POINTER_PLUS_EXPR instead of PLUS_EXPR.
1816 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
1817 of PLUS_EXPR for pointers.
1818 * tree-inline.c (estimate_num_insns_1): Handle
1819 POINTER_PLUS_EXPR.
1820 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1821 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1822 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
1823 instead of PLUS_EXPR for the pointer increment statement.
1824 (vect_update_ivs_after_vectorizer): For pointer types, create
1825 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
1826 MULT_EXPR in sizetype.
1827 (vect_gen_niters_for_prolog_loop): Add a cast when creating
1828 byte_misalign.
1829 * tree-object-size.c (plus_expr_object_size): Handle
1830 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
1831 code which is trying to figure out which side is a pointer and
1832 is the index.
1833 (check_for_plus_in_loops_1): Likewise.
1834 (check_for_plus_in_loops): Likewise.
1835 * c-common.c (pointer_int_sum): Create a
1836 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1837 * tree-ssa-structalias.c (handle_ptr_arith): Handle
1838 only POINTER_PLUS_EXPR. Removing all the extra
1839 code which is trying to figure out which side is a pointer and
1840 is the index.
1841 * tree-cfg.c (verify_expr): Add extra checking for pointers and
1842 PLUS_EXPR and MINUS_EXPR.
1843 Also add checking to make sure the operands of POINTER_PLUS_EXPR
1844 are correct.
1845 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
1846 with make_tree, instead of a pointer type.
1847 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
1848 for pointers instead of PLUS_EXPR.
1849 (s390_gimplify_va_arg): Likewise.
1850 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
1851 instead of PLUS_EXPR when doing addition on pointer
1852 types. Use sizetype for the second operand.
1853 (spu_gimplify_va_arg_expr): Likewise.
1854 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
1855 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
1856 a pointer. Don't create a BIT_AND_EXPR for pointer types.
1857 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
1858 for the pointer addition and also use size_int/sizetype
1859 for the offset.
1860 (ix86_gimplify_va_arg): Likewise.
1861 Perform BIT_AND_EXPR on sizetype arguments.
1862 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
1863 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
1864 for the pointer additions and also use size_int for the offsets.
1865 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
1866 additions and also use size_int for the offsets. Perform
1867 BIT_AND_EXPR on sizetype arguments.
1868 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
1869 POINTER_PLUS_EXPR for pointers and create the
1870 BIT_AND_EXPR in sizetype.
1871 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
1872 instead of PLUS_EXPR for pointer addition.
1873 (rs6000_va_start): Likewise.
1874 Also use sizetype for the offset.
1875 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
1876 as PLUS_EXPR/MINUS_EXPR.
1877 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
1878 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
1879 Don't use BIT_AND_EXPR on a pointer type, convert the
1880 expression to sizetype first.
1881 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
1882 for pointers.
1883 (mips_gimplify_va_arg_expr): Likewise.
1884 Don't create BIT_AND_EXPR in a pointer type.
1885
1886 2007-06-15 Eric Christopher <echristo@apple.com>
1887
1888 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
1889 (x86_64-*-darwin*): Ditto.
1890 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
1891 for above.
1892
1893 2007-06-15 Matthew Wilcox <matthew@wil.cx>
1894
1895 * doc/extend.texi: Document behavior of __attribute__((aligned))
1896 on typedefs.
1897
1898 2007-06-15 Mark Mitchell <mark@codesourcery.com>
1899
1900 * rtlanal.c (note_stores): Improve documentation.
1901
1902 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
1903
1904 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
1905 LOCAL_LABEL_PREFIX): Delete.
1906 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
1907 (bfin_internal_label): Delete.
1908
1909 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
1910
1911 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
1912 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
1913 otherwise define to LIBGCC2_TF_CEXT.
1914 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
1915 (LIBGCC_TF_CEXT): Ditto.
1916 (TF_SIZE): Ditto.
1917
1918 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
1919
1920 PR rtl-optimization/32339
1921 * df-scan.c (df_uses_record): Don't modify flags but just add to
1922 it for df_ref_record.
1923
1924 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
1925
1926 * tree-mudflap.c: Fix whitespace issues.
1927
1928 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
1929
1930 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
1931
1932 2007-06-14 Eric Christopher <echristo@apple.com>
1933
1934 * config/i386/sse.md (movdi_to_sse): Rewrite body.
1935 (movv4sf): Use gcc_unreachable instead of abort.
1936
1937 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1938
1939 PR target/32268
1940 * config/i386/sfp-machine.h (CMPtype): New define.
1941 (mach stubs): Use CMPtype instead of int as a return type.
1942
1943 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1944
1945 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
1946 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
1947 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
1948 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
1949 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
1950 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
1951 config/soft-fp/soft-fp.h: Update from glibc CVS.
1952
1953 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
1954
1955 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
1956
1957 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
1958
1959 PR target/32341
1960 * config/v850/v850.c: Include dataflow header file.
1961 (substitute_ep_register): Fix typo.
1962
1963 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1964
1965 * configure.ac: Fix earlier checkin.
1966 * configure: Regenerated.
1967
1968 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1969
1970 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
1971 * aclocal.m4: Regenerate.
1972 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
1973 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
1974 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
1975 * configure: Regenerate.
1976 * Makefile.in (LOOSE_WARN): Subst loose_warn.
1977
1978 * Makefile.in (quickstrap): Build libgcc too.
1979
1980 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1981
1982 * configure.ac: Add --enable-checking=df. Explicitly mention that
1983 the variables are initialized as for "release".
1984 * df-core.c: Use it.
1985 * configure: Regenerate.
1986 * config.in: Regenerate.
1987
1988 2007-06-14 Bob Wilson <bob.wilson@acm.org>
1989
1990 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
1991 validate_replace_rtx instead of replace_rtx.
1992 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
1993
1994 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
1995
1996 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
1997 (DWARF2_UNWIND_INFO): Override default if configured with
1998 SJLJ EH disabled.
1999 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
2000 (ENDFILE_SPEC): Add crtend.o.
2001 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
2002 (ENDFILE_SPEC): Add crtend.o.
2003 (TARGET_USE_JCR_SECTION): Define.
2004 (MD_UNWIND_SUPPORT): Define for 32-bit target.
2005
2006 * config/i386/cygming-crtbegin.c: New file.
2007 * config/i386/cygming-crtend.c: New file.
2008
2009 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
2010
2011 * config/i386/w32-unwind.h: New file.
2012
2013 2007-06-13 Eric Christopher <echristo@apple.com>
2014
2015 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
2016 the user set a value below STACK_BOUNDARY.
2017
2018 2007-06-13 Thiemo Seufer <ths@networkno.de>
2019
2020 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
2021 imply -lpthread for -pthread.
2022
2023 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2024
2025 * basic-block.h: Remove the prototype for
2026 free_basic_block_vars.
2027 * cfglayout.h: Remove the prototype for
2028 insn_locators_initialize.
2029 * tree.h: Remove the prototype for emit_line_note.
2030
2031 * tree-ssa-pre.c (mergephitemp): Remove.
2032 (init_pre): Don't use mergephitemp.
2033
2034 2007-06-13 Eric Christopher <echristo@apple.com>
2035
2036 * config/i386/i386.c (override_options): If we've specified
2037 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
2038
2039 2007-06-13 Bob Wilson <bob.wilson@acm.org>
2040
2041 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
2042 is defined.
2043
2044 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2045
2046 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
2047 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
2048 (eh_store_handler): New pattern.
2049 (eh_return): Emit it instead of a plain move.
2050
2051 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
2052
2053 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
2054 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
2055 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
2056 def_builtin_const.
2057
2058 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2059
2060 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
2061 (find_next_insn_start, find_load): New functions.
2062 (bfin_reorg): Use them to deal with the fact that parallel insns are
2063 no longer represented as a SEQUENCE.
2064
2065 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2066
2067 * config/sparc/sparc.c (sparc_override_options): Initialize
2068 fpu mask correctly.
2069
2070 2007-06-13 Dave Korn <dave.korn@artimi.com>
2071
2072 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
2073 df_get_live_out.
2074
2075 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2076
2077 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
2078 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
2079 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
2080 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
2081 tree-vect-transform.c: Fix comment typos. Follow spelling
2082 conventions.
2083
2084 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2085
2086 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
2087 to the exit block use set.
2088 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
2089 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2090 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2091
2092 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2093
2094 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2095 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2096 to indicate an error.
2097 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters): New functions
2098 (dbg_cnt_process_opt): Print an error on a bad argument.
2099 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2100 * common.opt (-fdbg-cnt-list): New.
2101 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2102
2103 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2104
2105 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2106 flag on ref-all pointers.
2107
2108 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2109
2110 PR middle-end/31579
2111 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2112 for the offset with the modifier as EXPAND_INITIALIZER
2113 if the modifier is EXPAND_INITIALIZER.
2114 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2115 a register if we had an overflow.
2116
2117 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2118
2119 * real.c (real_isfinite): New.
2120 (real_sqrt): Use it.
2121 * real.h (real_isfinite): New.
2122 * builtins.c: Use it.
2123
2124 2007-06-12 Ian Lance Taylor <iant@google.com>
2125 Daniel Berlin <dberlin@dberlin.org>
2126
2127 PR libstdc++/29286
2128 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2129 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2130 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2131 (DECL_NO_TBAA_P): Define.
2132 (struct tree_decl_common): Add no_tbaa_flag field.
2133 * tree-ssa-structalias.c (struct variable_info): Add
2134 no_tbaa_pruning field.
2135 (new_var_info): Initialize no_tbaa_pruning field.
2136 (unify_nodes): Copy no_tbaa_pruning field.
2137 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2138 (dump_solution_for_var): Print no_tbaa_pruning flag.
2139 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2140 callers.
2141 (compute_tbaa_pruning): New static function.
2142 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2143 Call compute_tbaa_pruning.
2144 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2145 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2146 * gimple-low.c (lower_stmt): Likewise.
2147 * tree-gimple.c (is_gimple_stmt): Likewise.
2148 * tree-ssa-operands.c (get_expr_operands): Likewise.
2149 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2150 * tree-inline.c (estimate_num_insns_1): Likewise.
2151 (copy_result_decl_to_var): Likewise.
2152 * expr.c (expand_expr_real_1): Likewise.
2153 * tree-pretty-print.c (dump_generic_node): Likewise.
2154 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2155 * omp-low.c (omp_copy_decl_2): Likewise.
2156 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2157 * doc/c-tree.texi (Expression trees): Document
2158 CHANGE_DYNAMIC_TYPE_EXPR.
2159
2160 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2161
2162 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2163 with !HONOR_NANS and !HONOR_INFINITIES.
2164 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2165
2166 2007-06-12 Tristan Gingold <gingold@adacore.com>
2167
2168 * gcov.c: Comments updated.
2169 (source_info): Add file_time field.
2170 (source_index): New variable.
2171 (mutiple_files): New variable.
2172 (generate_results): New function extracted from process_file.
2173 (process_file): Save and restore chain of functions, generate
2174 results and free structures only if not merging results.
2175 (release_structures): File names are now freed in create_file_names
2176 (create_file_names): Free previous file names.
2177 (find_source): File date is now read here and modifications in
2178 source files is checked here.
2179 (read_graph_file): Only reverse order of functions for the current
2180 object file.
2181 (make_gcov_file_name): Do not generate long names if input_name is
2182 NULL.
2183 (output_lines): If merging results do not display graph, data and
2184 runs informations.
2185 Checking source file modification is done in find_source.
2186
2187 * doc/gcov.texi: Append an s to sourcefile.
2188
2189 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2190
2191 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2192 (forced_nop): New pattern.
2193 * config/bfin/bfin.c: Include "df.h".
2194 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2195 (bfin_discover_loop): Use df_get_live_in instead of
2196 global_live_at_start.
2197 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2198 df_analyze when done.
2199 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2200 the insns. Use QImode for the final insn in a bundle. Call
2201 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2202 gen_nop.
2203 (reorder_var_tracking_notes): New function.
2204 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2205 update_life_info. Call df_analyze after scheduling and bundle
2206 generation. Call reorder_var_tracking_notes if generating these notes.
2207 Call df_finish_pass at the end.
2208
2209 2007-06-12 Dirk Mueller <dmueller@suse.de>
2210
2211 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2212 a comparison, not an assignment.
2213
2214 2007-06-12 Olivier Hainque <hainque@adacore.com>
2215
2216 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2217 Request walking the subtrees only, leaving the current is_lhs/val_only
2218 untouched.
2219 (convert_non_local_reference): Likewise.
2220
2221 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2222
2223 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2224
2225 2007-06-12 Richard Guenther <rguenther@suse.de>
2226
2227 PR tree-optimization/15353
2228 PR tree-optimization/31657
2229 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2230 * timevar.def: Add TV_TREE_IFCOMBINE.
2231 * tree-pass.h (pass_tree_ifcombine): Declare.
2232 * tree-ssa-ifcombine.c: New file.
2233 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2234 * tree-flow.h (blocks_in_phiopt_order): Declare.
2235 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2236 (tree-ssa-ifcombine.o): New dependencies.
2237
2238 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2239
2240 PR rtl-optimization/32293
2241 * combine.c (simplify_if_then_else): Truncate return from
2242 nonzero_bits() to correct mode.
2243
2244 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2245
2246 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2247 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2248
2249 2007-06-11 Diego Novillo <dnovillo@google.com>
2250
2251 * Makefile.in (reload1.o-warn): Remove.
2252
2253 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2254
2255 * combine.c (subst): Use reg_overlap_mentioned_p
2256 instead of comparing register numbers directly.
2257
2258 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2259
2260 * reload1.c (mark_home_live_1): Use the mode parameter.
2261
2262 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2263
2264 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2265 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2266 word "deferred".
2267 * df-core.c: Ditto.
2268
2269 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2270
2271 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2272
2273 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2274
2275 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2276 from integer registers.
2277 (FP mode splitters): Handle TFmode.
2278
2279 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2280
2281 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2282 for ref-all pointers that point-to anything.
2283
2284 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2285
2286 * config/arm/arm.c (arm_output_dwarf_dtprel,
2287 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2288
2289 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2290
2291 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2292 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2293 to memory moves.
2294
2295 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2296
2297 * gcc/tree.c (signed_or_unsigned_type_for): New.
2298 (unsigned_type_for): Use signed_or_unsigned_type_for.
2299 (signed_type_for): Use signed_or_unsigned_type_for.
2300 * gcc/tree.h (signed_or_unsigned_type_for): New.
2301 (get_signed_or_unsigned_type): Remove.
2302 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2303 lang_hooks.types.signed_type
2304 (size_diffop): Likewise.
2305 (all_ones_mask_p): Likewise.
2306 (build_range_check): Likewise.
2307 (fold_cond_expr_with_comparison): Likewise.
2308 (fold_cond_expr_with_comparison): Likewise.
2309 (unextend): Likewise.
2310 (extract_muldiv_1): Likewise.
2311 (fold_single_bit_test_into_sign_test): Likewise.
2312 (fold_binary): Likewise.
2313 (fold_ternary): Likewise.
2314 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2315 instead of get_signed_or_unsigned_type.
2316 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2317 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2318 * gcc/expr.c (signed_or_unsigned_type_for): Use
2319 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2320 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2321 (lhd_signed_or_unsigned_type): Remove.
2322 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
2323 signed_or_unsigned_type.
2324 (lhd_signed_or_unsigned_type): Remove.
2325 * gcc/expmed.c (make_tree): Use signed_type_for instead of
2326 lang_hooks.types.signed_type.
2327 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
2328 c_common_signed_type instead of lang_hooks.types.signed_type.
2329 (c_common_unsigned_type): New.
2330 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
2331 (shorten_compare): Use c_common_unsigned_type instead of
2332 c_common_signed_or_unsigned_type.
2333 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
2334 unsigned_type_for.
2335 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
2336 lang_hooks.types.signed_type.
2337 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2338 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
2339 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
2340 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
2341 instead of unsigned_type_for.
2342 * gcc/c-decl.c (groakdeclarator): Likewise.
2343 * gcc/c-typeck.c (convert_for_assignment): Likewise.
2344 * gcc/c-common.h (c_common_unsigned_type): New.
2345
2346 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2347
2348 PR target/32280
2349 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
2350 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
2351
2352 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2353
2354 PR middle-end/32279
2355 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
2356 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
2357
2358 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
2359 Sebastian Pop <sebpop@gmail.com>
2360
2361 * lambda-code.c (remove_iv): New.
2362 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
2363
2364 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
2365
2366 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
2367 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
2368 * tree-ssa-loop-prefetch.c: Include optabs.h.
2369 (FENCE_FOLLOWING_MOVNT): New macro.
2370 (struct mem_ref): Add independent_p and storent_p fields.
2371 (record_ref): Initalize the new fields.
2372 (gather_memory_references_ref): Return true if the reference
2373 could be analysed.
2374 (gather_memory_references): Check whether all memory accesses
2375 in loop were recorded.
2376 (should_issue_prefetch_p): Return false for nontemporal stores.
2377 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
2378 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
2379 (determine_loop_nest_reuse): Detect independent memory references.
2380 (loop_prefetch_arrays): Call mark_nontemporal_stores.
2381 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
2382 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
2383 * config/i386/i386.h (x86_mfence): Declare.
2384 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
2385 * config/i386/i386.c (x86_mfence): New variable.
2386 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
2387
2388 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
2389 * optabs.c (init_optabs): Initialize storent_optab.
2390 * optabs.h (enum optab_index): Add OTI_storent.
2391 (storent_optab): Declare.
2392 * genopinit.c (optabs): Add initialization for storent_optab.
2393 * tree.h (MOVE_NONTEMPORAL): New macro.
2394 * expr.c (expand_assignment, store_expr, store_constructor_field,
2395 store_constructor, store_field, expand_expr_real_1): Propagate
2396 nontemporality of the expanded store.
2397 (emit_storent_insn): New function.
2398 * expr.h (expand_assignment, store_expr): Declaration changed.
2399 * function.c (assign_parm_setup_reg): Pass false as nontemporality
2400 to expand_assignment.
2401 * stmt.c (expand_asm_expr): Ditto.
2402 * calls.c (initialize_argument_information): Pass false as
2403 nontemporality to store_expr.
2404 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
2405 storentsi): New.
2406
2407 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2408
2409 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
2410 parameter, use it.
2411 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
2412
2413 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2414
2415 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
2416 and allow DECL_P here.
2417
2418 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
2419
2420 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
2421 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
2422 track of the size of the expression.
2423 * cfghooks.c (merge_blocks): Remove block from loops structure only
2424 after call of the merge_blocks hook.
2425
2426 2007-06-09 Tom Tromey <tromey@redhat.com>
2427
2428 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
2429 (deprecated_state): Removed.
2430 (start_decl): Update.
2431 (enum deprecated_states): Moved earlier.
2432 (groktypename): Update.
2433 (push_parm_decl): Likewise.
2434 (grokfield): Likewise.
2435 (start_function): Likewise.
2436
2437 2007-06-09 Ian Lance Taylor <iant@google.com>
2438
2439 PR tree-optimization/32169
2440 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
2441 CONVERT_EXPR, check whether min and max both converted to an
2442 overflow infinity representation.
2443
2444 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
2445
2446 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
2447 not inserted on the edge.
2448
2449 2007-06-08 Bob Wilson <bob.wilson@acm.org>
2450
2451 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
2452 instructions if they are supported.
2453 (__divsi3, __umodsi3, __modsi3): Likewise.
2454 (__ashldi3, __ashrdi3, __lshrdi3): New.
2455 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
2456
2457 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
2458 Tony Linthicum <tony.linthicum@amd.com>
2459
2460 * doc/extend.texi: Add fvect-cost-model flag.
2461 * common.opt (fvect-cost-model): New flag.
2462 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
2463 cost fields in stmt_vec_info struct for STMT.
2464 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
2465 fields in stmt_vec_info struct and access functions for the same.
2466 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
2467 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
2468 load, store and vector to scalar operation.
2469 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
2470 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
2471 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
2472 (TARG_VEC_STORE_COST): Define cost of vector store.
2473 (vect_estimate_min_profitable_iters): Define new function.
2474 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
2475 check to evaluate if loop iterations are less than minimum profitable
2476 iterations determined by cost model or minimum vect loop bound defined
2477 by user, whichever is more conservative.
2478 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
2479 run-time check to evaluate if loop iterations are less than minimum
2480 profitable iterations determined by cost model or minimum vect loop
2481 bound defined by user, whichever is more conservative.
2482 (vect_estimate_min_profitable_iterations): New function to estimate
2483 mimimimum iterartions required for vector version of loop to be
2484 profitable over scalar version.
2485 (vect_model_reduction_cost): New function.
2486 (vect_model_induction_cost): New function.
2487 (vect_model_simple_cost): New function.
2488 (vect_cost_strided_group_size): New function.
2489 (vect_model_store_cost): New function.
2490 (vect_model_load_cost): New function.
2491 (vectorizable_reduction): Call vect_model_reduction_cost during
2492 analysis phase.
2493 (vectorizable_induction): Call vect_model_induction_cost during
2494 analysis phase.
2495 (vectorizable_load): Call vect_model_load_cost during analysis phase.
2496 (vectorizable_store): Call vect_model_store_cost during analysis phase.
2497 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
2498 vectorizable_promotion, vectorizable_demotion): Call
2499 vect_model_simple_cost during analysis phase.
2500
2501 2007-06-08 Simon Baldwin <simonb@google.com>
2502
2503 * reg-stack.c (get_true_reg): Readability change. Moved default case
2504 label into direct switch statement scope.
2505
2506 2007-06-08 Simon Baldwin <simonb@google.com>
2507
2508 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
2509 in gcc_assert() with '==' comparison.
2510
2511 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2512
2513 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
2514 TARGET_ABM handling of x86_popcnt variable.
2515
2516 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2517
2518 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
2519 __builtin_copysignq and __builtin_infq built-in functions.
2520
2521 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2522
2523 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
2524 SSE4.2 section. Correct built-in function names in SSE4A section.
2525
2526 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2527
2528 PR tree-optimization/32243
2529 * tree-vect-transform.c (vectorizable_type_promotion): Move check
2530 for ncopies after ratio check between nunits_out and nunits_in.
2531 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
2532
2533 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
2534
2535 PR tree-optimization/32224
2536 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
2537 vectorization upon a non GIMPLE_MODIFY_STMT.
2538
2539 2007-06-08 Christian Bruel <christian.bruel@st.com>
2540
2541 PR target/29953
2542 * config/sh/sh.md (doloop_end): New pattern and splitter.
2543 * loop-iv.c (simple_rhs_p): Check for hardware registers.
2544
2545 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
2546
2547 PR middle-end/32209
2548 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
2549 functions.
2550 (verify_dominators): Do not change dominance tree.
2551
2552 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
2553
2554 * config/sh/constraints.md: New file.
2555 * config/sh/sh.c: Include tm-constrs.h.
2556 (reg_class_from_letter): Remove.
2557 (prepare_cbranch_operands): Use satisfies_constraint_*
2558 function instead of macro.
2559 (andcosts, broken_move, sh_secondary_reload): Likewise.
2560 * config/sh/predicates.md (trapping_target_operand): Likewise.
2561 (and_operand, arith_operand, arith_reg_or_0_operand,
2562 cmp_operand, logical_operand, target_operand,
2563 ua_address_operand, ua_offset, xor_operand): Likewise.
2564 * config/sh/sh.md: Include constraints.md.
2565 (*movsicc_t_false): Use satisfies_constraint_* function
2566 instead of macro.
2567 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
2568 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
2569 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
2570 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
2571 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
2572 (REG_CLASS_FROM_CONSTRAINT): Remove.
2573 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
2574 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
2575 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
2576 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
2577 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
2578 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
2579 function instead of macro.
2580 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2581 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
2582 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
2583 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
2584 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
2585 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
2586 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
2587 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
2588 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
2589 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
2590 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
2591 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
2592 EXTRA_CONSTRAINT_STR): Likewise.
2593 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
2594
2595 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2596
2597 * config/i386/darwin.h (STACK_BOUNDARY): Define.
2598
2599 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
2600
2601 PR c++/30759
2602 * c-common.h (flag_cpp0x): Replaced by...
2603 (cxx_dialect): ... this new variable specifying the C++ dialect that
2604 is used.
2605 * c-common.c (flag_cpp0x): Removed.
2606 (cxx_dialect): Defined.
2607 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
2608 cxx_dialect.
2609 * c-opts.c (c_common_post_options): Likewise.
2610 (set_std_cxx98): Set cxx_dialect to cxx98.
2611 (set_std_cxx0x): Set cxx_dialect to cxx0x.
2612
2613 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2614 Hui-May Chang <hm.chang@apple.com>
2615
2616 * doc/invoke.texi (Darwin Options): Update documentation for
2617 -mmacosx-version-min.
2618 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
2619 * config/darwin-driver.c: New file.
2620 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
2621 * config/t-darwin (darwin-driver.o): New rule.
2622
2623 * config/darwin-c.c (version_as_macro): Ignore low digit.
2624
2625 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
2626
2627 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
2628 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
2629 (CSGNMODE): New mode macro.
2630 (CSGNVMODE): New mode attribute.
2631 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
2632 expander using CSGNMODE mode macro. Handle TFmode.
2633 (copysign<mode>3_const): Rename from copysignsf3_const and
2634 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
2635 Handle TFmode.
2636 (copysign<mode>3_var): Rename from copysignsf3_var and
2637 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
2638 Handle TFmode.
2639 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
2640 mode macro. Handle TFmode.
2641 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
2642 (iortf3, *iortf3): Ditto.
2643 (xortf3, *xortf3): Ditto.
2644 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
2645 TFmode and TImode masks.
2646 (ix86_expand_copysign): Expand TFmode copysign insn.
2647 (IX86_BUILTIN_INFQ): New.
2648 (IX86_BUILTIN_FABSQ): Ditto.
2649 (IX86_BUILTIN_COPYSIGNQ): Ditto.
2650 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
2651 [__builtin_fabsq]: Ditto.
2652 [__builtin_copysignq]: Ditto.
2653 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
2654 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
2655 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
2656 ix86_expand_binop_builtin().
2657
2658 2007-06-07 Bob Wilson <bob.wilson@acm.org>
2659
2660 * config/xtensa/lib1funcs.asm: Clean up whitespace.
2661
2662 2007-06-07 Steve Ellcey <sje@cup.hp.com>
2663
2664 PR target/31850
2665 * rtl.h (push_to_sequence2): New.
2666 * emit-rtl.c (push_to_sequence2): New.
2667 * function.c (assign_parm_data_all): Add new fields.
2668 (assign_parm_setup_block): Call push_to_sequence2 instead of
2669 push_to_sequence.
2670 (assign_parm_setup_reg): Ditto.
2671 (assign_parm_setup_stack): Ditto.
2672 (assign_parms_unsplit_complex): Ditto.
2673 (assign_parms): Change field name.
2674
2675 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2676
2677 PR tree-optimization/32220
2678 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
2679 phi node is reached before defining statement.
2680
2681 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2682
2683 PR tree-opt/32231
2684 * tree-vect-transform.c (vectorizable_call): Call update_stmt
2685 after changing the right hand side of the assignment.
2686
2687 2007-06-06 Eric Christopher <echristo@apple.com>
2688
2689 * config.gcc (i?86-*-darwin*): Remove arch parameter.
2690 (x86_64-*-darwin*): Ditto.
2691 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
2692 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
2693
2694 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2695
2696 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
2697 coding conventions.
2698 (add_key): Likewise.
2699 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
2700 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
2701 variable names.
2702 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory macros.
2703 (add_cost_one_coalesce): Likewise.
2704 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
2705 variable names. Rename orig to orig_name for consistency.
2706 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the coding
2707 conventions.
2708 (cprop_into_successor_phis): Avoid using C++ keywords as variable names.
2709 (record_equivalences_from_stmt): Likewise.
2710 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
2711 the coding conventions.
2712 (memory_ssa_name_same): Likewise.
2713 (dse_optimize_stmt): Likewise.
2714 (dse_record_phis): Likewise.
2715 (dse_finalize_block): Likewise.
2716 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
2717 keywords as variable names.
2718 (may_move_till): Cast according to the coding conventions.
2719 (force_move_till_expr): Avoid using C++ keywords as variable names.
2720 (force_move_till): Cast according to the coding conventions.
2721 (memref_hash): Likewise.
2722 (memref_eq): Likewise.
2723 (gather_mem_refs_stmt): Likewise.
2724 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid using C++
2725 keywords as variable names.
2726 (idx_find_step): Cast according to the coding conventions.
2727 (idx_record_use): Likewise.
2728 (find_depends): Likewise.
2729 (prepare_decl_rtl): Likewise.
2730 (mbc_entry_hash): Likewise.
2731 (mbc_entry_eq): Likewise.
2732 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
2733 (simplify_replace_tree): Avoid using C++ keywords as variable names.
2734 (idx_infer_loop_bounds): Cast according to the coding conventions.
2735 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
2736 * tree-ssa-math-opts.c (occ_new ): Likwise.
2737 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
2738 macros.
2739 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as variable
2740 names.
2741 (add_use_op): Likewise.
2742 (add_vop): Likewise.
2743 (add_vuse_op): Likewise.
2744 (add_vdef_op): Likewise.
2745 (get_expr_operands): Likewise.
2746 (push_stmt_changes): Use type safe memory macros.
2747 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
2748 keywords as variable names.
2749 (conditional_replacement): Likewise.
2750 (minmax_replacement): Likewise.
2751 (abs_replacement): Likewise.
2752 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
2753 coding conventions.
2754 (insert_fake_stores): Avoid using C++ keywords as variable names.
2755 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
2756 conventions.
2757 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
2758 (heapvar_insert): Use type safe memory macros.
2759 (new_var_info): Cast according to the coding conventions.
2760 (new_constraint): Likewise.
2761 (remove_preds_and_fake_succs): Use type safe memory macros.
2762 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
2763 conventions.
2764 (thread_single_edge): Likewise.
2765 (thread_through_loop_header): Likewise.
2766
2767 2007-06-06 Eric Christopher <echristo@apple.com>
2768
2769 * config/i386/i386.c (override_options): Move handling
2770 of TARGET_SUBTARGET* earlier.
2771
2772 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
2773
2774 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
2775 use %n on printf.
2776
2777 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
2778
2779 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
2780 emited outside of basic block.
2781 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
2782 the created blocks.
2783 * rtl.h (delete_insn_chain): Declaration changed.
2784 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
2785 non-removed insns.
2786 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
2787 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
2788 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
2789 to delete_insn_chain.
2790 (rtl_verify_flow_info_1): Verify that the insns in header and footer
2791 do not have bb field set.
2792 (rtl_verify_flow_info): Verify that insns between basic blocks do not
2793 have bb field set.
2794 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
2795 * cfgcleanup.c (try_optimize_cfg): Ditto.
2796
2797 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2798
2799 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
2800 (lambda_body_vector_new): Use type safe memory macros.
2801 (lambda_linear_expression_new): Likewise.
2802 (lambda_loopnest_new): Likewise.
2803 (lambda_lattice_new): Likewise.
2804 (replace_uses_equiv_to_x_with_y): Cast according to the coding
2805 conventions. Use type safe memory macros.
2806 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
2807 (lambda_body_vector_s): Likewise.
2808 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
2809 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
2810
2811 2007-06-06 Richard Guenther <rguenther@suse.de>
2812
2813 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
2814 if we need to schedule cfg_cleanup.
2815 (tree_ssa_forward_propagate_single_use_vars): Do so.
2816
2817 2007-06-06 Ian Lance Taylor <iant@google.com>
2818
2819 * fold-const.c (merge_ranges): If range_successor or
2820 range_predecessor fail, just return 0.
2821
2822 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2823
2824 PR tree-optimization/32216
2825 * tree-vectorizer.c (supportable_widening_operation): Determine
2826 signedness of FIX_TRUNC_EXPR from output operand.
2827 (supportable_narrowing_operation): Ditto.
2828 * tree-vect-generic.c (expand_vector_operations_1): Determine
2829 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
2830 from input operand.
2831
2832 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2833
2834 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
2835 (struct pta): ...from here. Change flags to unsigned to avoid
2836 excessive casting (as it is used as a bit mask).
2837 (override_options): Add casts according to the coding convenventions.
2838 (x86_64_elf_unique_section): Likewise.
2839 (examine_argument): Avoid using C++ keywords as variable names.
2840 (construct_container): Likewise.
2841 (legitimize_pic_address): Likewise.
2842 (get_dllimport_decl): Cast according to the coding conventions. Use
2843 type safe memory macros.
2844 (legitimize_address): Cast according to the coding conventions.
2845 (emit_i387_cw_initialization): Corrected the type of slot to enum
2846 ix86_stack_slot.
2847 (ix86_init_machine_status): Use type safe memory macros.
2848 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
2849 (bdesc_pcmpistr): Likewise.
2850 (bdesc_crc32): Likewise.
2851 (bdesc_sse_3arg): Likewise.
2852 (bdesc_2arg): Likewise.
2853 (bdesc_1arg): Likewise.
2854 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
2855 (ix86_expand_sse_pcmpistr): Likewise.
2856 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
2857 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
2858 int to match the langhook definition.
2859 (ix86_builtin_conversion): Change the type of code to unsigned init to
2860 match the langhook definition.
2861 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
2862 names.
2863 (ix86_preferred_output_reload_class): Likewise.
2864 (ix86_cannot_change_mode_class): Likewise.
2865 (ix86_memory_move_cost): Likewise.
2866 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
2867 avoid excessive casting later on.
2868 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
2869
2870 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2871
2872 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
2873 as flags setting insn.
2874 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
2875
2876 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2877
2878 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
2879 (UNSPEC_ROUND): New.
2880 ("sse4_1_round<mode>2"): New insn pattern.
2881 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
2882 SSE4.1 targets.
2883 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
2884 expander using SSEMODEF mode macro. Expand using
2885 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2886 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
2887 expander using SSEMODEF mode macro. Expand using
2888 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2889 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
2890 expander using SSEMODEF mode macro. Expand using
2891 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2892 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
2893 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
2894 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
2895 UNSPEC_ROUNDS.
2896
2897 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
2898 Sebastian Pop <sebpop@gmail.com>
2899
2900 * lambda.h (build_linear_expr): New.
2901 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
2902 Use build_linear_expr, call fold and force_gimple_operand.
2903 (lambda_loopnest_to_gcc_loopnest): Check that there is
2904 something to insert.
2905 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
2906
2907 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2908
2909 PR preprocessor/23479
2910 * doc/extend.texi: Document the 0b-prefixed binary integer
2911 constant extension.
2912
2913 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2914
2915 PR tree-optimization/32215
2916 * tree-vectorizer.c (supportable_widening_operation): Return false
2917 for unsupported FIX_TRUNC_EXPR tree code.
2918 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
2919
2920 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
2921
2922 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
2923 register on SPE targets. Change documentation to reflect
2924 reality.
2925 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
2926 Change FIXED_SCRATCH to 14 and document why we're keeping r14
2927 out of the register allocation pool.
2928 (rs6000_reg_live_or_pic_offset_p): New function.
2929 (rs6000_emit_prologue): Move the actual saving of LR up to free
2930 r0 for holding r11. Split saving of SPE 64-bit registers into
2931 its own case. Ensure that offsets will always be in-range for
2932 'evstdd' by using r11 as a scratch register to point at the start
2933 of the SPE save area. Save r11 if necessary, as it is the static
2934 chain register.
2935 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
2936 into its own case. Ensure that offsets will always be in-range
2937 for 'evldd' by using r11 as a scratch register to point at the
2938 start of the SPE save area. Also adjust r11 when restoring
2939 the stack pointer to compensate for pre-loading r11.
2940
2941 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
2942
2943 * cfg.c (init_flow): Use type safe memory macros.
2944 (alloc_block): Likewise.
2945 (unchecked_make_edge): Likewise.
2946 (dump_flow_info): Avoid using C++ keywords as variable names.
2947 (copy_original_table_clear): Cast according to the coding conventions.
2948 (copy_original_table_set): Likewise.
2949 * cfgexpand (label_rtx_for_bb): Likewise.
2950 (expand_gimple_basic_block): Likewise.
2951 * cfghooks.c (dump_bb): Likewise.
2952 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
2953 variable names.
2954 (lv_add_condition_to_bb): Likewise.
2955 * cfglayout (relink_block_chain): Cast according to the coding
2956 conventions.
2957 (fixup_reorder_chain): Likewise.
2958 (fixup_fallthru_exit_predecessor): Likewise.
2959 * cfgloop.c (glb_enum_p): Likewise.
2960 (get_exit_description): Likewise.
2961 (dump_recorded_exit): Likewise.
2962 * cfgloop.h (enum loop_estimation): Move out of struct scope...
2963 (struct loop): ... from here.
2964 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
2965 conventions.
2966 * cfgrtl.c (rtl_create_basic_block): Likewise.
2967 (rtl_split_block): Likewise.
2968 (rtl_dump_bb): Likewise.
2969 (cfg_layout_split_block): Likewise.
2970 (init_rtl_bb_info): Use typesafe memory macros.
2971
2972 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
2973 * graphds.h: Updated all usages of edge to graph_edge.
2974 * graphds.c: Likewise.
2975 * cfgloopanal.c: Likewise.
2976
2977 2007-06-05 Ian Lance Taylor <iant@google.com>
2978
2979 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
2980 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
2981 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
2982 expression.
2983 (test_for_singularity): Likewise.
2984
2985 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
2986
2987 * config/i386/constraints.md ("Y2"): Replaced by ...
2988 ("Yt"): This.
2989 * config/i386/i386.md: Likewise.
2990 * config/i386/mmx.md: Likewise.
2991 * config/i386/sse.md: Likewise.
2992
2993 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
2994
2995 * config/i386/constraints.md ("z"): Replaced by ...
2996 ("Y0"): This.
2997 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
2998 (sse4_1_blendvps): Likewise.
2999 (sse4_1_pblendvb): Likewise.
3000 (sse4_2_pcmpestr): Likewise.
3001 (sse4_2_pcmpestrm): Likewise.
3002 (sse4_2_pcmpestr_cconly): Likewise.
3003 (sse4_2_pcmpistr): Likewise.
3004 (sse4_2_pcmpistrm): Likewise.
3005 (sse4_2_pcmpistr_cconly): Likewise.
3006
3007 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
3008
3009 * matrix-reorg.c (transform_access_sites): Fix computation.
3010 (transform_allocation_sites): Same.
3011
3012 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3013
3014 * config/i386/i386.c (override_options): Use
3015 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
3016
3017 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3018
3019 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
3020 (nonimm_not_xmm0_operand): Ditto.
3021 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
3022 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
3023 as operand[2] predicate. Require "z" class XMM register for
3024 operand[3]. Adjust asm template.
3025 ("sse4_1_blendvpd"): Ditto.
3026 ("sse4_1_pblendvb"): Ditto.
3027 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
3028 force op2 into xmm0 register for variable blend instructions.
3029
3030 2007-06-04 Tom Tromey <tromey@redhat.com>
3031
3032 * c-tree.h (start_enum): Update.
3033 (build_enumerator): Likewise.
3034 * c-decl.c (enum_next_value): Removed.
3035 (enum_overflow): Likewise.
3036 (start_enum): Add c_enum_contents argument. Don't use globals.
3037 (build_enumerator): Likewise.
3038 * c-tree.h (struct c_enum_contents): New struct.
3039
3040 2007-06-04 Tom Tromey <tromey@redhat.com>
3041
3042 * c-common.c (c_common_get_alias_set): Fix indentation.
3043
3044 2007-06-04 Ian Lance Taylor <iant@google.com>
3045
3046 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
3047 to overflow, reduce overflow infinity to regular infinity.
3048 (vrp_var_may_overflow): New static function.
3049 (vrp_visit_phi_node): Check vrp_var_may_overflow.
3050
3051 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
3052
3053 * stor-layout.c (layout_type): Remove duplicate code.
3054
3055 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
3056
3057 PR c/32191
3058 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
3059 before build_common_builtin_nodes ().
3060
3061 2007-06-04 Steve Ellcey <sje@cup.hp.com>
3062
3063 PR target/31733
3064 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
3065
3066 2007-06-04 Jan Hubicka <jh@suse.cz>
3067
3068 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
3069 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
3070 instead of _stat version.
3071
3072 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3073
3074 PR tree-optimization/32194
3075 * tree-predcom.c (determine_offset): Check that both references have
3076 the same type.
3077
3078 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3079
3080 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
3081 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
3082 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3083 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
3084 Add argument to iterate_fix_dominators call.
3085 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
3086 * gcse.c (hoist_code): Change domby to vector.
3087 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
3088 Add argument to iterate_fix_dominators call.
3089 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3090 recompute_dominator.
3091 * lambda-code.c (perfect_nestify): Ditto.
3092 * cfgloopanal.c: Include graphds.h.
3093 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3094 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3095 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3096 add_edge call.
3097 * graphds.c: New file.
3098 * graphds.h: New file.
3099 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3100 (get_dominated_by, get_dominated_by_region): Change return type to
3101 vector.
3102 (verify_dominators): Recompute all dominators and compare the results.
3103 (recount_dominator): Renamed to ...
3104 (recompute_dominator): ... this. Do not check that the block is
3105 dominated by entry.
3106 (iterate_fix_dominators): Reimplemented.
3107 (prune_bbs_to_update_dominators, root_of_dom_tree,
3108 determine_dominators_for_sons): New functions.
3109 * et-forest.c (et_root): New function.
3110 * et-forest.h (et_root): Declare.
3111 * Makefile.in (graphds.o): Add.
3112 (cfgloopanal.o): Add graphds.h dependency.
3113 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3114 * basic-block.h (get_dominated_by, get_dominated_by_region,
3115 iterate_fix_dominators): Declaration changed.
3116 (recount_dominator): Renamed to ...
3117 (recompute_dominator): ... this.
3118 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3119 (thread_through_all_blocks): Do not free dominance info.
3120
3121 2007-06-03 Andreas Schwab <schwab@suse.de>
3122
3123 * config/m68k/m68k.c (override_options): Don't override
3124 REAL_MODE_FORMAT.
3125 * config/m68k/m68k-modes.def (SF, DF): Define to use
3126 motorola_single_format and motorola_double_format, resp.
3127 * real.c (motorola_single_format): Renamed from
3128 coldfire_single_format.
3129 (motorola_double_format): Renamed from coldfire_double_format.
3130 (encode_ieee_extended): Generate a proper canonical NaN image
3131 respecting canonical_nan_lsbs_set.
3132 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3133 true.
3134 * real.h: Adjust declarations.
3135
3136 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3137
3138 PR target/32163
3139 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3140 the symbol is generated with the stack protector.
3141
3142 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3143
3144 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3145 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3146 "interrupt".
3147 * doc/extend.texi (interrupt): Mention m68k.
3148
3149 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3150
3151 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3152 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3153 (ix86_expand_sse_pcmpestr): Do not check operands for
3154 "register_operand", when insn operand predicate is "register_operand".
3155 (ix86_expand_sse_pcmpistr): Ditto.
3156
3157 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3158 Uros Bizjak <ubizjak@gmail.com>
3159
3160 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3161 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3162 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3163 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3164 * config/i386/constraints.md ("z"): New register constraint
3165 for members of SSE_FIRST_REG class.
3166 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3167 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3168 SSE_FIRST_REG class.
3169 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3170 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3171 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3172 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3173 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3174 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3175 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3176 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3177 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3178 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3179 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3180 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3181 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3182 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3183 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3184 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3185 (struct builtin_description): Change "flag" field to unsigned.
3186 (bdesc_pcmpestr): New builtin description table.
3187 (bdesc_pcmpistr): Likewise.
3188 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3189 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3190 Initialize pcmp[ei]str[im] insns for SSE4.2.
3191 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3192 (ix86_expand_sse_pcmpistr): Likewise.
3193 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3194 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3195 (UNSPEC_PCMPISTR): Likewise.
3196 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3197 (sse4_2_pcmpestri):New isns pattern.
3198 (sse4_2_pcmpestrm): Likewise.
3199 (sse4_2_pcmpestr_cconly): Likewise.
3200 (sse4_2_pcmpistr): New insn patern and splitter.
3201 (sse4_2_pcmpistri):New isns pattern.
3202 (sse4_2_pcmpistrm): Likewise.
3203 (sse4_2_pcmpistr_cconly): Likewise.
3204 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3205 in SSE4.2.
3206
3207 2007-06-01 David Daney <ddaney@avtrex.com>
3208
3209 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3210 LOADGP_ABSOLUTE and not binds_local_p.
3211
3212 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3213
3214 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3215
3216 2007-06-01 Ian Lance Taylor <iant@google.com>
3217
3218 * tree-vrp.c (compare_name_with_value): Always set
3219 used_strict_overflow if we get a result from the variable itself.
3220
3221 2007-06-01 Ian Lance Taylor <iant@google.com>
3222
3223 PR rtl-optimization/31455
3224 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3225 subregs which have a cast between modes which are not tieable.
3226
3227 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3228
3229 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3230 breaks after return statements.
3231
3232 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3233
3234 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3235 only after no_new_pseudos.
3236
3237 2007-05-31 Eric Christopher <echristo@apple.com>
3238
3239 * expr.c (convert_move): Assert that we don't have a BLKmode
3240 operand.
3241 (store_expr): Handle BLKmode moves by calling emit_block_move.
3242
3243 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3244
3245 * c-typeck.c (build_indirect_ref): Include type in error message.
3246 (build_binary_op): Pass types to binary_op_error.
3247 * c-common.c (binary_op_error): Take two type arguments, print out
3248 types with error.
3249 * c-common.h (binary_op_error): Update prototype.
3250
3251 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3252
3253 * config/i386/i386.c: Correct coments on -mno-sse4.
3254
3255 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3256
3257 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3258 (x86_64-*-*): Likewise.
3259 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3260 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3261 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3262 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3263 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3264 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3265 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3266 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3267 (OPTION_MASK_ISA_SSE4): Likewise.
3268 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3269 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3270 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3271 (override_options): Support SSE4.2.
3272 (ix86_build_const_vector): Support SImode and DImode.
3273 (ix86_build_signbit_mask): Likewise.
3274 (ix86_expand_int_vcond): Support V2DImode.
3275 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3276 (IX86_BUILTIN_CRC32HI): Likewise.
3277 (IX86_BUILTIN_CRC32SI): Likewise.
3278 (IX86_BUILTIN_CRC32DI): Likewise.
3279 (IX86_BUILTIN_PCMPGTQ): Likewise.
3280 (bdesc_crc32): Likewise.
3281 (bdesc_sse_3arg): Likewise.
3282 (ix86_expand_crc32): Likewise.
3283 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3284 (ix86_expand_builtin): Likewise.
3285 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3286 __SSE4_2__ for -msse4.2.
3287 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3288 (CRC32MODE): Likewise.
3289 (crc32modesuffix): Likewise.
3290 (crc32modeconstraint): Likewise.
3291 (sse4_2_crc32<mode>): Likewise.
3292 (sse4_2_crc32di): Likewise.
3293 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3294 (msse4): Likewise.
3295 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3296 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3297 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3298 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3299 (vcondu<mode>): Likewise.
3300 * doc/extend.texi: Document SSE4.2 built-in functions.
3301 * doc/invoke.texi: Document -msse4.2/-msse4.
3302
3303 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3304
3305 PR tree-optimization/32160
3306 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3307 variable as gimple reg.
3308 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3309
3310 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3311
3312 * gcc.c (main): Don't consider linker options when issuing the
3313 warning about a linker input file not being used.
3314
3315 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3316
3317 * tree-vrp.c (compare_names): Initialize sop.
3318
3319 2007-05-30 Dirk Mueller <dmueller@suse.de>
3320
3321 * cgraphunit.c (cgraph_analyze_function): Remove
3322 computation of inline parameters.
3323
3324 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3325
3326 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
3327
3328 2007-05-30 Richard Sandiford <richard@codesourcery.com>
3329
3330 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
3331 Add vx-common.h. Include vxworks.h between vx-common.h and
3332 arm/vxworks.h.
3333 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
3334 redefining.
3335 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
3336 (TARGET_ASM_DESTRUCTOR): Likewise.
3337 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
3338 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
3339 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3340 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
3341 (VXWORKS_ENDIAN_SPEC): Define.
3342 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
3343 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
3344 VXWORKS_* equivalents.
3345 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
3346 (ASM_FILE_START): Delete.
3347 (TARGET_VERSION): Reformat.
3348 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
3349 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
3350 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3351 (FPBIT, DPBIT): Define.
3352 (fp-bit.c, dp-bit.c): New rules.
3353 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
3354 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
3355 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
3356 * config/arm/arm.h: Include vxworks-dummy.h.
3357 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
3358 Mark with ATTRIBUTE_UNUSED.
3359 (arm_override_options): Do not allow VxWorks RTP PIC to be used
3360 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
3361 make it incompatible with -msingle-pic-base.
3362 (arm_function_ok_for_sibcall): Return false for calls that might
3363 go through a VxWorks PIC PLT entry.
3364 (require_pic_register): New function, split out from...
3365 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
3366 for VxWorks RTPs.
3367 (arm_load_pic_register): Handle the VxWorks RTP initialization
3368 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
3369 (arm_emit_call_insn): New function.
3370 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
3371 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
3372 (pic_offset_arm): New pattern.
3373 (call, call_value): Use arm_emit_call_insn.
3374 (call_internal, call_value_internal): New expanders.
3375 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
3376 VxWorks unless __PIC__.
3377
3378 2007-05-30 Eric Christopher <echristo@gmail.com>
3379
3380 * genrecog.c: Include regs.h in generated file.
3381 * genemit.c: Ditto. Fix up formatting.
3382 * config/mn10300/constraints.md: New.
3383 * config/mn10300/mn10300.md: Include.
3384 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
3385 Fix up for removed macro.
3386 * config/mn10300/predicates.md (call_address_operand): Ditto.
3387 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
3388 (CONST_OK_FOR_I): Ditto.
3389 (CONST_OK_FOR_J): Ditto.
3390 (CONST_OK_FOR_K): Ditto.
3391 (CONST_OK_FOR_L): Ditto.
3392 (CONST_OK_FOR_M): Ditto.
3393 (CONST_OK_FOR_N): Ditto.
3394 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
3395 (OK_FOR_Q): Ditto.
3396 (OK_FOR_R): Ditto.
3397 (OK_FOR_T): Ditto.
3398 (EXTRA_CONSTRAINT): Ditto.
3399
3400 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3401
3402 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
3403 Remove defines.
3404 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
3405 OPTION_MASK_ISA_64BIT.
3406 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
3407
3408 2007-05-30 Richard Guenther <rguenther@suse.de>
3409
3410 PR middle-end/32152
3411 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
3412 types for comparison.
3413 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
3414 with original typed arguments.
3415 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
3416
3417 2007-05-30 Jakub Jelinek <jakub@redhat.com>
3418
3419 PR tree-optimization/31769
3420 * except.c (duplicate_eh_regions): Clear prev_try if
3421 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
3422
3423 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3424
3425 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
3426 * tree-ssa-sink.c (statement_sink_location): Return basic block and
3427 bsi of the location where statements should be inserted.
3428 (sink_code_in_bb): Take bsi from statement_sink_location.
3429 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
3430 instead of bsi_start.
3431 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
3432 bsi_insert_after.
3433 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
3434 (bsi_move_before): Document inconsistency with bsi_move_after.
3435 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
3436
3437 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3438
3439 * config/i386/i386.h (TARGET_ABM): New define.
3440 (TARGET_POPCNT): Ditto.
3441 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
3442 New temporary defines to redefine from OPTION_ISA_* defines.
3443 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
3444 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
3445 (ix86_isa_flags): New extern int declaration.
3446 (TARGET_SUBTARGET_DEFAULT): New define.
3447 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
3448 (TARGET_SUBTARGET32_DEFAULT): Ditto.
3449 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
3450 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3451 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
3452 * config/i386/darwin.h: Change TARGET_64BIT define to
3453 OPTION_ISA_64BIT.
3454
3455 * config/i386/i386.opt (m3dnowa): Define as undocumented option
3456 using existing "ix86_isa_flags" varible.
3457 (m32, m64): Use existing "ix86_isa_flags" variable.
3458 (mmmx, m3dnow): Ditto.
3459 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
3460 (mabm): Define as non-negative option using "x86_abm" variable.
3461 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
3462
3463 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
3464 Rewrite feature test bitmap.
3465 (ix86_isa_flags): New initialized global int varible.
3466 (ix86_isa_flags_explicit): New static int variable.
3467 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
3468 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
3469 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
3470 target_flags_explicit.
3471 (override_options): Remove "target_enable" and "target_disable" fields
3472 from "struct ptt". Update processor_target_table accordingly. Remove
3473 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
3474 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
3475 "target_flags" and "ix86_isa_flags_explicit" instead of
3476 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
3477 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
3478 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
3479 to true when either of PTA_POPCNT or PTA_ABM is set in
3480 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
3481 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
3482 processor_alias_table flags entry. Remove handling of
3483 "target_enable" and "target_disable" fields of processor_target_table.
3484 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
3485 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
3486 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
3487 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
3488 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
3489 "target_flags".
3490 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
3491
3492 2007-05-29 David Daney <ddaney@avtrex.com>
3493
3494 PR gcc/31975
3495 * config/mips/mips.c (mips_output_mi_thunk): Emit
3496 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
3497
3498 2007-05-29 Hui-May Chang <hm.chang@apple.com>
3499 * config/i386/i386.c (ix86_function_regparm): Added checking of
3500 ix86_force_align_arg_pointer to determine the number of
3501 register parameters.
3502
3503 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
3504
3505 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
3506 (SET_DR_MISALIGNMENT): New.
3507 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
3508 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
3509 Use SET_DR_MISALIGNMENT.
3510 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
3511 pointer.
3512 * tree-data-ref.c (create_data_ref, compute_all_dependences,
3513 find_loop_nest): Export.
3514 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
3515 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
3516 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
3517 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
3518 New macros.
3519 (struct mem_ref): Add field reuse_distance.
3520 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
3521 Initialize reuse_distance field.
3522 (issue_prefetch_ref): Select temporality of prefetch according to
3523 reuse_distance.
3524 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
3525 self_reuse_distance, determine_loop_nest_reuse): New functions.
3526 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
3527 (tree_ssa_prefetch_arrays): Dump L2 cache size.
3528 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
3529 dependency.
3530
3531 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
3532
3533 * tree-ssa-alias.c: Add aliasing overview.
3534
3535 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
3536 Danny Smith <dannysmith@users.sourceforge.net>
3537
3538 PR target/29498
3539 * config/i386/t-crtfm: Compile crtfastmath.o with
3540 -minline-all-stringops.
3541 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
3542 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
3543
3544 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3545
3546 * doc/md.texi: Document constraints on HP PA-RISC.
3547
3548 * pa/constraints.md: New file.
3549 * pa.md: Include constraints.md.
3550 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
3551 (integer_store_memory_operand, ldil_cint_p): New functions.
3552 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
3553 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
3554 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
3555 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
3556 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
3557
3558 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
3559
3560 PR c/31339
3561 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
3562 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
3563 case POSTDECREMENT_EXPR>): Return the error_mark_node
3564 if either the real or imaginary parts would an
3565 error_mark_node.
3566
3567 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
3568
3569 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
3570 name when we remove it from a call.
3571
3572 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
3573
3574 * targhooks.c (default_narrow_bitfield): Remove.
3575 * targhooks.h: Remove the prototype for
3576 default_narrow_bitfield.
3577
3578 * langhooks-def.h: Remove the prototype for
3579 hook_get_alias_set_0.
3580 * langhooks.c (hook_get_alias_set_0): Remove.
3581
3582 * global.c (EXECUTE_IF_CONFLICT): Remove.
3583
3584 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3585
3586 PR tree-opt/32100
3587 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
3588 return true when truth_value_p is true and the type
3589 is of signed:1.
3590
3591 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
3592
3593 * doc/install.texi (Prerequisites): We no longer require Autoconf
3594 2.13 for the top-level.
3595
3596 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
3597
3598 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
3599 memory access via x86_expand_vector_move_misalign() only for
3600 TImode values on 32-bit targets.
3601
3602 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
3603
3604 * matrix-reorg.c: New file. Implement matrix flattening and
3605 transposing optimization.
3606 * tree-pass.h: Add matrix reorg pass.
3607 * common.opt: Add fipa-mreorg flag.
3608 * Makefile.in: Add matrix-reorg.c.
3609 * passes.c: Add matrix reorg pass.
3610 * varpool.c (add_new_static_var): New function.
3611 * cgraph.h (add_new_static_var): Declare.
3612
3613 2007-05-27 Eric Christopher <echristo@apple.com>
3614
3615 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
3616 sp_offset depending on stack size. Save r12 depending
3617 on registers we're saving later.
3618 (rs6000_emit_epilogue): Update sp_offset depending only
3619 on stack size.
3620
3621 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
3622
3623 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
3624 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3625 * ifcvt.c (if_convert): Ditto.
3626 * tree-ssa-threadupdate.c (thread_block): Ditto.
3627 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
3628 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
3629 verify_loop_closed_ssa): Check number_of_loops instead of
3630 current_loops.
3631 * predict.c (tree_estimate_probability): Ditto.
3632 * tree-if-conv.c (main_tree_if_conversion): Ditto.
3633 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3634 * modulo-sched.c (sms_schedule): Ditto.
3635 * tree-scalar-evolution.c (scev_const_prop): Ditto.
3636 (scev_finalize): Do not do anything if scev analysis was not
3637 initialized.
3638 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
3639 current_loops == NULL.
3640 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
3641 * loop-init.c (loop_optimizer_init): Do not free current_loops when
3642 there are no loops.
3643 (loop_optimizer_finalize): Assert that loops were analyzed.
3644 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
3645 rtl_doloop): Check number_of_loops instead of current_loops.
3646 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
3647 current_loops == NULL.
3648 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
3649 gate_tree_vectorize tree_linear_transform, check_data_deps,
3650 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3651 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
3652 Check number_of_loops instead of current_loops.
3653 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
3654 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
3655 free loops if available.
3656 (execute_pre): Do not pass do_fre to fini_pre.
3657
3658 2007-05-27 Tobias Burnus <burnus@net-b.de>
3659
3660 PR middle-end/32083
3661 * real.c (mpfr_from_real): Fix sign of -Inf.
3662
3663 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
3664
3665 * tree-vect-transform.c (vectorizable_conversion): Initialize
3666 tree_code variables to ERROR_MARK.
3667 (vectorizable_type_demotion): Likewise.
3668 (vectorizable_type_promotion): Likewise.
3669
3670 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3671
3672 PR target/32065
3673 * config/i386/i386.md (movti): Handle push operands via
3674 ix86_expand_push().
3675
3676 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3677
3678 * basic-block.h: Remove the prototype for merge_seq_blocks.
3679 * cfgcleanup.c (merge_seq_blocks): Remove.
3680
3681 * tree-flow.h: Remove the prototype for is_aliased_with.
3682 * tree-ssa-alias.c (is_aliased_with): Remove.
3683
3684 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
3685
3686 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
3687
3688 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
3689
3690 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
3691 ix86_expand_sse4_unpack if SSE4.1 is enabled.
3692 (vec_unpacks_hi_v16qi): Likewise.
3693 (vec_unpacku_lo_v16qi): Likewise.
3694 (vec_unpacks_lo_v16qi): Likewise.
3695 (vec_unpacku_hi_v8hi): Likewise.
3696 (vec_unpacks_hi_v8hi): Likewise.
3697 (vec_unpacku_lo_v8hi): Likewise.
3698 (vec_unpacks_lo_v8hi): Likewise.
3699 (vec_unpacku_hi_v4si): Likewise.
3700 (vec_unpacks_hi_v4si): Likewise.
3701 (vec_unpacku_lo_v4si): Likewise.
3702 (vec_unpacks_lo_v4si): Likewise.
3703
3704 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3705
3706 * c-typeck.c, config/arm/arm.c, config/darwin.c,
3707 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
3708 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
3709 follow spelling conventions in various
3710 warning/error/diagnostic messages.
3711
3712 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
3713 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
3714 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
3715 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
3716 tree-vrp.c: Fix comment typos. Follow spelling conventions.
3717 * doc/tm.texi: Follow spelling conventions.
3718
3719 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3720
3721 PR tree-opt/32090
3722 * tree-ssa-forwprop.c
3723 (forward_propagate_addr_into_variable_array_index): Remove
3724 the lhs argument. Use the type of def_rhs instead of lhs.
3725 (forward_propagate_addr_expr_1): Update use of
3726 forward_propagate_addr_into_variable_array_index.
3727
3728 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
3729 Nigel Stephens <nigel@mips.com>
3730
3731 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
3732 function attributes, "far" being an alias for "long_call".
3733 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
3734 (mips_near_type_p, mips_far_type_p): New.
3735 (mips_comp_type_attributes): New function to check that attributes
3736 attached to a function type are compatible.
3737 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
3738 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
3739 to the target function of the thunk.
3740 (mips_encode_section_info): Check for "near" and "far" function
3741 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
3742
3743 * config/mips/predicates.md (const_call_insn_operand): Test only
3744 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
3745
3746 * doc/extend.texi (Function Attributes): Document MIPS "near" and
3747 "far" attributes.
3748
3749 * testsuite/gcc.target/mips/near-far-1.c: New test case.
3750 * testsuite/gcc.target/mips/near-far-2.c: New test case.
3751 * testsuite/gcc.target/mips/near-far-3.c: New test case.
3752 * testsuite/gcc.target/mips/near-far-4.c: New test case.
3753
3754 2007-05-25 Eric Christopher <echristo@apple.com>
3755
3756 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
3757 to x86-darwin configurations.
3758 * config/i386/t-darwin: Add softfp support.
3759 * config/i386/t-darwin64: Ditto.
3760 * config/i386/sfp-machine.h: If mach then don't use
3761 aliasing, emit a stub to call.
3762
3763 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
3764
3765 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
3766 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
3767 tree-predcom.c, tree-ssa-alias-warnings.c,
3768 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
3769 comment typos. Follow spelling conventions.
3770 * doc/cpp.texi, doc/invoke.texi: Fix typos.
3771
3772 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3773
3774 PR target/32065
3775 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
3776 constants into memory. Expand unaligned memory references for
3777 SSE modes via x86_expand_vector_move_misalign() function.
3778
3779 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
3780
3781 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
3782 "memory" attribute for "sseishft" type insn without operands[2].
3783
3784 2007-05-25 Dirk Mueller <dmueller@suse.de>
3785 Marcus Meissner <meissner@suse.de>
3786
3787 * doc/extend.texi (alloc_size): New attribute.
3788 * c-common.c (handle_alloc_size_attribute): New.
3789 * tree-object-size.c (alloc_object_size): Use alloc_size
3790 attribute, if available.
3791
3792 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3793
3794 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
3795 with MASK_SSE2.
3796 (__builtin_ia32_vec_ext_v2di): Likewise.
3797 (__builtin_ia32_vec_ext_v4si): Likewise.
3798 (__builtin_ia32_vec_ext_v8hi): Likewise.
3799 (__builtin_ia32_vec_ext_v16qi): Likewise.
3800 (__builtin_ia32_vec_set_v8hi): Likewise.
3801
3802 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3803
3804 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
3805
3806 2007-05-25 Richard Sandiford <richard@codesourcery.com>
3807
3808 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
3809 (arm_is_longcall_p): Rename to...
3810 (arm_is_long_call_p): ...this. Take a single tree argument and
3811 return a bool.
3812 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
3813 (CUMULATIVE_ARGS): Remove call_cookie.
3814 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
3815 (ENCODED_LONG_CALL_ATTR_P): Delete.
3816 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
3817 LONG_CALL_FLAG_CHAR cases.
3818 (ARM_DECLARE_FUNCTION_SIZE): Delete.
3819 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
3820 ARM_DECLARE_FUNCTION_SIZE.
3821 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
3822 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
3823 (arm_encode_call_attribute, current_file_function_operand): Delete.
3824 (arm_function_in_section_p): New function.
3825 (arm_is_longcall_p): Rename to...
3826 (arm_is_long_call_p): ...this. Take the target function as a single
3827 argument and return a bool. Do not rely on call cookies. Check
3828 whether the target symbol is in the same section as the current
3829 function, not just the same compilation unit.
3830 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
3831 (arm_encode_section_info): Don't encode a call type.
3832 * config/arm/arm.md (call, call_value): Update calls to
3833 arm_is_long(_)call_p. Simplify logic.
3834 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
3835 Update calls to arm_is_long(_)call_p.
3836
3837 2007-05-25 Richard Guenther <rguenther@suse.de>
3838
3839 PR tree-optimization/31982
3840 * tree-ssa-forwprop.c
3841 (forward_propagate_addr_into_variable_array_index): Handle arrays
3842 with element size one.
3843
3844 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3845
3846 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
3847 (umulsi3_highpart): Likewise.
3848
3849 2007-05-24 Ian Lance Taylor <iant@google.com>
3850
3851 PR rtl-optimization/32069
3852 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
3853 is NULL.
3854
3855 2007-05-24 Ollie Wild <aaw@google.com>
3856
3857 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
3858 description.
3859
3860 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
3861
3862 * postreload-gcse.c (reg_changed_after_insn_p): New function.
3863 (oprs_unchanged_p): Use it to check all registers in a REG.
3864 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
3865 (reg_set_between_after_reload_p): Delete.
3866 (reg_used_between_after_reload_p): Likewise.
3867 (reg_set_or_used_since_bb_start): Likewise.
3868 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
3869 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
3870 Use reg_set_between_p instead of reg_set_between_after_reload_p.
3871 * rtlanal.c (reg_set_p): Check whether REG overlaps
3872 regs_invalidated_by_call, rather than just checking the
3873 membership of REGNO (REG).
3874
3875 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3876
3877 * doc/passes.texi: Document predictive commoning.
3878 * doc/invoke.texi (-fpredictive-commoning): Document.
3879 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
3880 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
3881 adding indices to the generated name.
3882 (schedule_sm): Pass 0 to get_lsm_tmp_name.
3883 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
3884 * tree-pretty-print.c (op_symbol_1): Renamed to ...
3885 (op_symbol_code): ... and exported.
3886 (dump_omp_clause, op_symbol): Use op_symbol_code
3887 instead of op_symbol_1.
3888 * tree-pass.h (pass_predcom): Declare.
3889 * timevar.def (TV_PREDCOM): New timevar.
3890 * tree-ssa-loop.c (run_tree_predictive_commoning,
3891 gate_tree_predictive_commoning, pass_predcom): New.
3892 * tree-data-ref.c (find_data_references_in_loop): Find the
3893 references in dominance order.
3894 (canonicalize_base_object_address): Ensure that the result has
3895 pointer type.
3896 (dr_analyze_innermost): Export.
3897 (create_data_ref): Code to fail for references with invariant
3898 address moved ...
3899 (find_data_references_in_stmt): ... here.
3900 * tree-data-ref.h (dr_analyze_innermost): Declare.
3901 * tree-affine.c: Include tree-gimple.h and hashtab.h.
3902 (aff_combination_find_elt, name_expansion_hash,
3903 name_expansion_eq, tree_to_aff_combination_expand,
3904 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
3905 New functions.
3906 * tree-affine.h (aff_combination_constant_multiple_p,
3907 tree_to_aff_combination_expand): Declare.
3908 * tree-predcom.c: New file.
3909 * common.opt (fpredictive-commoning): New option.
3910 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
3911 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
3912 * Makefile.in (tree-predcom.o): Add.
3913 (tree-affine.o): Add TREE_GIMPLE_H dependency.
3914 * passes.c (init_optimization_passes): Add dceloop after
3915 copy propagation in loop optimizer. Add predictive commoning
3916 to loop optimizer passes.
3917
3918 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3919
3920 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
3921 default hook.
3922
3923 2007-05-24 Jan Hubicka <jh@suse.cz>
3924
3925 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
3926 statistics.
3927 (genheader): Include statistics.h.
3928
3929 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
3930 notes are gone.
3931 * print-rtl.c (flag_dump_unnumbered): Update comments.
3932 (print_rtl): Fix my previous change.
3933 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
3934 specific data.
3935
3936 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3937
3938 PR middle-end/32018
3939 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
3940 set_loop_copy.
3941 (thread_through_all_blocks): Call initialize_original_copy_tables
3942 and free_original_copy_tables.
3943 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
3944 Use set_loop_copy.
3945 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
3946 * cfghooks.c (duplicate_block): Use get_loop_copy.
3947 * cfg.c: Include cfgloop.h.
3948 (loop_copy): New hash table.
3949 (initialize_original_copy_tables): Initialize loop_copy table.
3950 (free_original_copy_tables): Free loop_copy table.
3951 (copy_original_table_clear, copy_original_table_set,
3952 set_loop_copy, get_loop_copy): New functions.
3953 (set_bb_original, set_bb_copy): Use copy_original_table_set.
3954 * cfgloop.h (struct loop): Remove copy field.
3955 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
3956 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
3957
3958 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3959
3960 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
3961 -msse/-msse2/-msse3.
3962
3963 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3964
3965 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
3966 __builtin_ia32_vec_set_v2di with MASK_64BIT.
3967
3968 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
3969
3970 PR target/27067
3971 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
3972 * targhooks.h (default_mangle_decl_assembler_name): Declare
3973 default hook.
3974 * targhooks.c (default_mangle_decl_assembler_name): Define
3975 default hook.
3976 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
3977 default hook.
3978 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
3979 * langhooks.c (lhd_set_decl_assembler_name): Call
3980 targetm.mangle_decl_assembler_name for names with global scope.
3981
3982 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
3983 default.
3984 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
3985 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
3986 Declare.
3987 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
3988 New. Factored out of i386_pe_encode_section_info.
3989 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
3990 Move check for prior decoration of stdcall
3991 symbols to i386_pe_encode_section_info.
3992 (i386_pe_encode_section_info): Adjust call to
3993 gen_stdcall_or_fastcall_suffix. Use
3994 i386_pe_maybe_mangle_decl_assembler_name, if needed.
3995 (i386_pe_mangle_decl_assembler_name): New. Wrap
3996 i386_pe_maybe_mangle_decl_assembler_name.
3997
3998 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
3999
4000 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
4001 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
4002 * langhooks.c (get_signed_or_unsigned_type): Don't check for
4003 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
4004 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
4005 TYPE_UNSIGNED.
4006
4007 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
4008 Nigel Stephens <nigel@mips.com>
4009 Richard Sandiford <richard@codesourcery.com>
4010
4011 Fix up MIPS16 hard float and add support for complex.
4012
4013 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
4014 (TARGET_SOFT_FLOAT_ABI): New.
4015 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
4016 __mips_soft_float to reflect the ABI in use, not whether the
4017 FPU is directly accessible (e.g., in MIPS16 mode).
4018 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
4019 (UNITS_PER_FPVALUE): Likewise.
4020
4021 * config/mips/mips.c (mips_expand_call): Remove redundant
4022 TARGET_MIPS16 check.
4023 (mips_arg_regno): New.
4024 (function_arg_advance): When setting bits in cum->fp_code for
4025 MIPS16, don't subtract 1 from cum->arg_number, since it is now
4026 zero-based.
4027 (function_arg): Use mips_arg_regno.
4028 (mips_return_mode_in_fpr_p): New.
4029 (mips16_call_stub_mode_suffix): New.
4030 (mips16_cfun_returns_in_fpr_p): New.
4031 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
4032 (mips_output_function_prologue): Test mips16_hard_float, not
4033 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
4034 (mips_expand_epilogue): Call MIPS16 helper routines to copy
4035 return value into a floating-point register.
4036 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
4037 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
4038 (mips16_fp_args): Handle MIPS32r2 ISA which supports
4039 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
4040 word of double arguments from or to the high bits of 64-bit
4041 floating point registers.
4042 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
4043 (mips16_fpret_double): New helper function.
4044 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
4045 support for complex modes. Fill in DECL_RESULT for stubdecl.
4046 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
4047
4048 * config/mips/mips16.S
4049 (RET, ARG1, ARG2): New.
4050 (MERGE_GPRf, MERGE_GPRt): New.
4051 (DELAYt, DELAYf): New.
4052 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
4053 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
4054 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
4055 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
4056 (SFOP): Renamed to...
4057 (OPSF3): This, and macro-ified. Updated all uses.
4058 (SFOP2): Renamed to...
4059 (OPSF2): This, and macro-ified. Updated all uses.
4060 (SFCMP): Renamed to...
4061 (CMPSF): This, and macro-ified. Updated all uses.
4062 (SFREVCMP): Renamed to...
4063 (REVCMPSF): This, and macro-ified. Updated all uses.
4064 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
4065 (LDDBL1, LDDBL2, RETDBL): Deleted.
4066 (DFOP): Renamed to...
4067 (OPDF3): This, and macro-ified. Updated all uses.
4068 (DFOP2): Renamed to...
4069 (OPDF2): This, and macro-ified. Updated all uses.
4070 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
4071 (DFCMP): Renamed to...
4072 (CMPDF): This, and macro-ified. Updated all uses.
4073 (DFREVCMP): Renamed to...
4074 (REVCMPDF): This, and macro-ified. Updated all uses.
4075 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
4076 (RET_FUNCTION): New.
4077 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
4078 (__mips16_ret_sc, __mips16_ret_dc): New.
4079 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
4080 STUB_ARGS_6, STUB_ARGS_10): New.
4081 (CALL_STUB_NO_RET): New.
4082 (__mips16_call_stub_1): Macro-ified.
4083 (__mips16_call_stub_5): Macro-ified.
4084 (__mips16_call_stub_2): Macro-ified.
4085 (__mips16_call_stub_6): Macro-ified.
4086 (__mips16_call_stub_9): Macro-ified.
4087 (__mips16_call_stub_10): Macro-ified.
4088 (CALL_STUB_RET): New.
4089 (__mips16_call_stub_sf_0): Macro-ified.
4090 (__mips16_call_stub_sf_1): Macro-ified.
4091 (__mips16_call_stub_sf_5): Macro-ified.
4092 (__mips16_call_stub_sf_2): Macro-ified.
4093 (__mips16_call_stub_sf_6): Macro-ified.
4094 (__mips16_call_stub_sf_9): Macro-ified.
4095 (__mips16_call_stub_sf_10): Macro-ified.
4096 (__mips16_call_stub_df_0): Macro-ified.
4097 (__mips16_call_stub_df_1): Macro-ified.
4098 (__mips16_call_stub_df_5): Macro-ified.
4099 (__mips16_call_stub_df_2): Macro-ified.
4100 (__mips16_call_stub_df_6): Macro-ified.
4101 (__mips16_call_stub_df_9): Macro-ified.
4102 (__mips16_call_stub_df_10): Macro-ified.
4103 (__mips16_call_stub_sc_0): New.
4104 (__mips16_call_stub_sc_1): New.
4105 (__mips16_call_stub_sc_5): New.
4106 (__mips16_call_stub_sc_2): New.
4107 (__mips16_call_stub_sc_6): New.
4108 (__mips16_call_stub_sc_9): New.
4109 (__mips16_call_stub_sc_10): New.
4110 (__mips16_call_stub_dc_0): New.
4111 (__mips16_call_stub_dc_1): New.
4112 (__mips16_call_stub_dc_5): New.
4113 (__mips16_call_stub_dc_2): New.
4114 (__mips16_call_stub_dc_6): New.
4115 (__mips16_call_stub_dc_9): New.
4116 (__mips16_call_stub_dc_10): New.
4117
4118 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
4119 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
4120 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
4121
4122 2007-05-23 Ian Lance Taylor <iant@google.com>
4123
4124 * doc/invoke.texi (Invoking GCC): Document that the order of the
4125 -l option matters.
4126
4127 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
4128
4129 PR target/30987
4130 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
4131 * config/score/predicate.md (const_pow2, const_npow2): Remove.
4132 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
4133 undef.
4134
4135 PR target/30474
4136 * config/score/score.c (score_print_operand): Make sure that only
4137 lower bits are used.
4138
4139 2007-05-22 Ian Lance Taylor <iant@google.com>
4140
4141 * tree-vrp.c (avoid_overflow_infinity): New static function,
4142 broken out of set_value_range_to_value.
4143 (set_value_range_to_value): Call avoid_overflow_infinity.
4144 (extract_range_from_assert): Likewise.
4145
4146 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
4147
4148 PR middle-end/31095
4149 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
4150 change the type before looking for a COMPOUND_EXPR.
4151
4152 2007-05-22 Ian Lance Taylor <iant@google.com>
4153
4154 * lower-subreg.c (decompose_multiword_subregs): If we change an
4155 insn, call remove_retval_note on it.
4156
4157 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4158
4159 * regs.h (end_hard_regno): New function.
4160 (END_HARD_REGNO, END_REGNO): New macros.
4161 (add_to_hard_reg_set): New function.
4162 (remove_from_hard_reg_set): Likewise.
4163 (in_hard_reg_set_p): Likewise.
4164 (overlaps_hard_reg_set_p): Likewise.
4165 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
4166 (note_btr_set): Use END_HARD_REGNO.
4167 * caller-save.c (setup_save_areas): Use end_hard_regno.
4168 (mark_set_regs): Use END_HARD_REGNO.
4169 (add_stored_regs): Use end_hard_regno.
4170 (mark_referenced_regs): Use add_to_hard_reg_set.
4171 * combine.c (update_table_tick): Use END_REGNO.
4172 (record_value_for_reg): Likewise.
4173 (record_dead_and_set_regs): Likewise.
4174 (get_last_value_validate): Likewise.
4175 (use_crosses_set_p): Likewise.
4176 (reg_dead_at_p_1): Likewise.
4177 (reg_dead_at_p): Likewise.
4178 (mark_used_regs_combine): Use add_to_hard_reg_set.
4179 (move_deaths): Use END_HARD_REGNO.
4180 (reg_bitfield_target_p): Use end_hard_regno.
4181 (distribute_notes): Use END_HARD_REGNO.
4182 * cse.c (mention_regs): Use END_REGNO.
4183 (insert): Use add_to_hard_reg_set.
4184 (invalidate): Use END_HARD_REGNO.
4185 (invalidate_for_call): Likewise.
4186 (exp_equiv_p): Use END_REGNO.
4187 (cse_insn): Likewise.
4188 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
4189 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
4190 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
4191 * function.c (keep_stack_depressed): Use end_hard_regno.
4192 * global.c (global_alloc): Use end_hard_regno.
4193 (global_conflicts): Use add_to_hard_reg_set instead of
4194 mark_reg_live_nc.
4195 (find_reg): Likewise.
4196 (mark_reg_store): Likewise.
4197 (mark_reg_conflicts): Likewise.
4198 (mark_reg_death): Use remove_from_hard_reg_set.
4199 (mark_reg_live_nc): Delete.
4200 (set_preference): Use end_hard_regno.
4201 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
4202 remove_from_hard_reg_set.
4203 (post_mark_life): Use add_to_hard_reg_set.
4204 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
4205 (reg_becomes_live): Use add_to_hard_reg_set.
4206 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
4207 (peep2_find_free_register): Use add_to_hard_reg_set.
4208 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
4209 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
4210 * regrename.c (note_sets): Use add_to_hard_reg_set.
4211 (clear_dead_regs): Use remove_from_hard_reg_set.
4212 (regrename_optimize): Use add_to_hard_reg_set.
4213 (find_oldest_value_reg): Use in_hard_reg_set_p.
4214 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
4215 (hard_reg_set_here_p): Use end_hard_regno.
4216 (decompose): Likewise.
4217 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
4218 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
4219 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
4220 (mark_home_live): Use end_hard_regno.
4221 (spill_hard_reg): Likewise.
4222 (clear_reload_reg_in_use): Likewise.
4223 * reorg.c (delete_prior_computation): Use END_REGNO.
4224 * resource.c (update_live_status): Use END_HARD_REGNO.
4225 (mark_referenced_resources): Use add_to_hard_reg_set.
4226 (mark_set_resources): Likewise.
4227 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
4228 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
4229 (reg_overlap_mentioned_p): Likewise.
4230 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
4231 (covers_regno_no_parallel_p): Use END_REGNO.
4232 (find_regno_note): Likewise.
4233 (find_reg_fusage): Use END_HARD_REGNO.
4234 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
4235 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
4236
4237 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4238
4239 * mode-switching.c (reg_dies): Change type of second argument to
4240 "HARD_REG_SET *".
4241 (optimize_mode_switching): Update accordingly.
4242
4243 2007-05-22 Richard Sandiford <richard@codesourcery.com>
4244
4245 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
4246 in favor of...
4247 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
4248 (hard_reg_set_empty_p): ...these new functions.
4249 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
4250 GO_IF_HARD_REG_SUBSET.
4251 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
4252 instead of GO_IF_HARD_REG_EQUAL.
4253 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
4254 instead of GO_IF_HARD_REG_EQUAL.
4255 * global.c (find_reg): Use hard_reg_set_empty_p instead of
4256 GO_IF_HARD_REG_SUBSET.
4257 (modify_reg_pav): Use hard_reg_set_empty_p instead of
4258 GO_IF_HARD_REG_EQUAL.
4259 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
4260 of GO_IF_HARD_REG_SUBSET.
4261 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
4262 instead of GO_IF_HARD_REG_EQUAL.
4263 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
4264 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
4265 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
4266 of GO_IF_HARD_REG_SUBSET,
4267 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
4268 GO_IF_HARD_REG_SUBSET.
4269 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
4270 instead of GO_IF_HARD_REG_EQUAL.
4271 * config/sh/sh.c (push_regs, calc_live_regs): Use
4272 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
4273 (hard_regs_intersect_p): Delete.
4274
4275 2007-05-22 Janis Johnson <janis187@us.ibm.com>
4276
4277 * doc/sourcebuild.texi (Test Directives) Add dg-message.
4278
4279 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
4280 Richard Henderson <rth@redhat.com>
4281
4282 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
4283 extra_headers.
4284 (x86_64-*-*): Likewise.
4285
4286 * i386/i386-modes.def (V2QI): New.
4287
4288 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
4289 SSE4A.
4290 (override_options): Support SSE4.1.
4291 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
4292 (IX86_BUILTIN_BLENDPS): Likewise.
4293 (IX86_BUILTIN_BLENDVPD): Likewise.
4294 (IX86_BUILTIN_BLENDVPS): Likewise.
4295 (IX86_BUILTIN_PBLENDVB128): Likewise.
4296 (IX86_BUILTIN_PBLENDW128): Likewise.
4297 (IX86_BUILTIN_DPPD): Likewise.
4298 (IX86_BUILTIN_DPPS): Likewise.
4299 (IX86_BUILTIN_INSERTPS128): Likewise.
4300 (IX86_BUILTIN_MOVNTDQA): Likewise.
4301 (IX86_BUILTIN_MPSADBW128): Likewise.
4302 (IX86_BUILTIN_PACKUSDW128): Likewise.
4303 (IX86_BUILTIN_PCMPEQQ): Likewise.
4304 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
4305 (IX86_BUILTIN_PMAXSB128): Likewise.
4306 (IX86_BUILTIN_PMAXSD128): Likewise.
4307 (IX86_BUILTIN_PMAXUD128): Likewise.
4308 (IX86_BUILTIN_PMAXUW128): Likewise.
4309 (IX86_BUILTIN_PMINSB128): Likewise.
4310 (IX86_BUILTIN_PMINSD128): Likewise.
4311 (IX86_BUILTIN_PMINUD128): Likewise.
4312 (IX86_BUILTIN_PMINUW128): Likewise.
4313 (IX86_BUILTIN_PMOVSXBW128): Likewise.
4314 (IX86_BUILTIN_PMOVSXBD128): Likewise.
4315 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
4316 (IX86_BUILTIN_PMOVSXWD128): Likewise.
4317 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
4318 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
4319 (IX86_BUILTIN_PMOVZXBW128): Likewise.
4320 (IX86_BUILTIN_PMOVZXBD128): Likewise.
4321 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
4322 (IX86_BUILTIN_PMOVZXWD128): Likewise.
4323 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
4324 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
4325 (IX86_BUILTIN_PMULDQ128): Likewise.
4326 (IX86_BUILTIN_PMULLD128): Likewise.
4327 (IX86_BUILTIN_ROUNDPD): Likewise.
4328 (IX86_BUILTIN_ROUNDPS): Likewise.
4329 (IX86_BUILTIN_ROUNDSD): Likewise.
4330 (IX86_BUILTIN_ROUNDSS): Likewise.
4331 (IX86_BUILTIN_PTESTZ): Likewise.
4332 (IX86_BUILTIN_PTESTC): Likewise.
4333 (IX86_BUILTIN_PTESTNZC): Likewise.
4334 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
4335 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
4336 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
4337 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
4338 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
4339 (bdesc_ptest): New.
4340 (bdesc_sse_3arg): Likewise.
4341 (bdesc_2arg): Likewise.
4342 (bdesc_1arg): Likewise.
4343 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
4344 with 3 args.
4345 (ix86_expand_sse_4_operands_builtin): New.
4346 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
4347 smaller than 8 bits as the 2nd arg.
4348 (ix86_expand_sse_ptest): New.
4349 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
4350 (ix86_expand_vector_set): Support SSE4.1.
4351 (ix86_expand_vector_extract): Likewise.
4352
4353 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
4354 __SSE4_1__ for -msse4.1.
4355
4356 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
4357 (UNSPEC_INSERTPS): Likewise.
4358 (UNSPEC_DP): Likewise.
4359 (UNSPEC_MOVNTDQA): Likewise.
4360 (UNSPEC_MPSADBW): Likewise.
4361 (UNSPEC_PHMINPOSUW): Likewise.
4362 (UNSPEC_PTEST): Likewise.
4363 (UNSPEC_ROUNDP): Likewise.
4364 (UNSPEC_ROUNDS): Likewise.
4365
4366 * config/i386/i386.opt (msse4.1): New for SSE4.1.
4367
4368 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
4369 (const_pow2_1_to_32768_operand): Likewise.
4370
4371 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
4372 file.
4373
4374 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
4375 SSE4.1.
4376 (sse4_1_insertps): Likewise.
4377 (*sse4_1_extractps): Likewise.
4378 (sse4_1_ptest): Likewise.
4379 (sse4_1_mulv2siv2di3): Likewise.
4380 (*sse4_1_mulv4si3): Likewise.
4381 (*sse4_1_smax<mode>3): Likewise.
4382 (*sse4_1_umax<mode>3): Likewise.
4383 (*sse4_1_smin<mode>3): Likewise.
4384 (*sse4_1_umin<mode>3): Likewise.
4385 (sse4_1_eqv2di3): Likewise.
4386 (*sse4_1_pinsrb): Likewise.
4387 (*sse4_1_pinsrd): Likewise.
4388 (*sse4_1_pinsrq): Likewise.
4389 (*sse4_1_pextrb): Likewise.
4390 (*sse4_1_pextrb_memory): Likewise.
4391 (*sse4_1_pextrw_memory): Likewise.
4392 (*sse4_1_pextrq): Likewise.
4393 (sse4_1_blendpd): Likewise.
4394 (sse4_1_blendps): Likewise.
4395 (sse4_1_blendvpd): Likewise.
4396 (sse4_1_blendvps): Likewise.
4397 (sse4_1_dppd): Likewise.
4398 (sse4_1_dpps): Likewise.
4399 (sse4_1_movntdqa): Likewise.
4400 (sse4_1_mpsadbw): Likewise.
4401 (sse4_1_packusdw): Likewise.
4402 (sse4_1_pblendvb): Likewise.
4403 (sse4_1_pblendw): Likewise.
4404 (sse4_1_phminposuw): Likewise.
4405 (sse4_1_extendv8qiv8hi2): Likewise.
4406 (*sse4_1_extendv8qiv8hi2): Likewise.
4407 (sse4_1_extendv4qiv4si2): Likewise.
4408 (*sse4_1_extendv4qiv4si2): Likewise.
4409 (sse4_1_extendv2qiv2di2): Likewise.
4410 (*sse4_1_extendv2qiv2di2): Likewise.
4411 (sse4_1_extendv4hiv4si2): Likewise.
4412 (*sse4_1_extendv4hiv4si2): Likewise.
4413 (sse4_1_extendv2hiv2di2): Likewise.
4414 (*sse4_1_extendv2hiv2di2): Likewise.
4415 (sse4_1_extendv2siv2di2): Likewise.
4416 (*sse4_1_extendv2siv2di2): Likewise.
4417 (sse4_1_zero_extendv8qiv8hi2): Likewise.
4418 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
4419 (sse4_1_zero_extendv4qiv4si2): Likewise.
4420 (*sse4_1_zero_extendv4qiv4si2): Likewise.
4421 (sse4_1_zero_extendv2qiv2di2): Likewise.
4422 (*sse4_1_zero_extendv2qiv2di2): Likewise.
4423 (sse4_1_zero_extendv4hiv4si2): Likewise.
4424 (*sse4_1_zero_extendv4hiv4si2): Likewise.
4425 (sse4_1_zero_extendv2hiv2di2): Likewise.
4426 (*sse4_1_zero_extendv2hiv2di2): Likewise.
4427 (sse4_1_zero_extendv2siv2di2): Likewise.
4428 (*sse4_1_zero_extendv2siv2di2): Likewise.
4429 (sse4_1_roundpd): Likewise.
4430 (sse4_1_roundps): Likewise.
4431 (sse4_1_roundsd): Likewise.
4432 (sse4_1_roundss): Likewise.
4433 (mulv4si3): Don't expand for SSE4.1.
4434 (smax<mode>3): Likewise.
4435 (umaxv4si3): Likewise.
4436 (uminv16qi3): Likewise.
4437 (umin<mode>3): Likewise.
4438 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
4439
4440 * doc/extend.texi: Document SSE4.1 built-in functions.
4441
4442 * doc/invoke.texi: Document -msse4.1.
4443
4444 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
4445
4446 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
4447 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
4448 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
4449 (ASM_SPEC): Add asm_pcrel_spec.
4450 (EXTRA_SPECS): Add asm_pcrel_spec.
4451
4452 2007-05-21 David Daney <ddaney@avtrex.com>
4453
4454 * doc/install.texi (Building a cross compiler): Add requirements
4455 for Java cross compiler.
4456
4457 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
4458
4459 PR middle-end/31995
4460 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
4461 Add loopno argument. Use evolution_function_is_invariant_rec_p
4462 instead of evolution_function_is_constant_p.
4463 Update calls to evolution_function_is_affine_multivariate_p.
4464 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
4465 Add loopno argument.
4466 * tree-scalar-evolution.c (gather_chrec_stats): Call
4467 evolution_function_is_affine_multivariate_p with a loop
4468 number of 0.
4469 * tree-data-ref.c (analyze_miv_subscript): Likewise.
4470 (analyze_overlapping_iterations): Likewise.
4471 (access_functions_are_affine_or_constant_p): Likewise.
4472 (build_classic_dist_vector_1): If the access functions
4473 are equal, don't do anything.
4474
4475 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
4476 Paolo Carlini <pcarlini@suse.de>
4477 Uros Bizjak <ubizjak@gmail.com>
4478
4479 * c-cppbuiltin.c (c_cpp_builtins): Define
4480 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
4481 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
4482 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
4483 * doc/cpp.texi ([Standard Predefined Macros]): Document.
4484
4485 2007-05-21 Mike Stump <mrs@apple.com>
4486
4487 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
4488 handling as well.
4489 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
4490
4491 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
4492
4493 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
4494 implementation if __OPTIMIZE__ is not defined.
4495 (_mm_alignr_pi8): Ditto.
4496 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4497 (_mm_inserti_si64): Ditto.
4498 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4499 (_mm_slli_epi16): Ditto.
4500 (_mm_slli_epi32): Ditto.
4501 (_mm_slli_epi64): Ditto.
4502 (_mm_srai_epi16): Ditto.
4503 (_mm_srai_epi32): Ditto.
4504 (_mm_srli_si128): Ditto.
4505 (_mm_slli_si128): Ditto.
4506 (_mm_srli_epi16): Ditto.
4507 (_mm_srli_epi32): Ditto.
4508 (_mm_srli_epi64): Ditto.
4509 (_mm_extract_epi16): Ditto.
4510 (_mm_insert_epi16): Ditto.
4511 (_mm_shufflehi_epi16): Ditto.
4512 (_mm_shufflelo_epi16): Ditto.
4513 (_mm_shuffle_epi32): Ditto.
4514 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
4515 (_m_pextrw): Ditto.
4516 (_mm_insert_pi16): Ditto.
4517 (_m_pinsrw): Ditto.
4518 (_mm_shuffle_pi16): Ditto.
4519 (_m_pshufw): Ditto.
4520 (_mm_shufle_ps): Ditto.
4521 (_mm_prefetch): Ditto.
4522
4523 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
4524
4525 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
4526 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
4527 * real.c (encode_i370_single, decode_i370_single,
4528 encode_i370_double, decode_i370_double): Functions removed.
4529 (i370_single_format, i370_double_format): Initializations removed.
4530 (real_maxval, round_for_format, exact_real_truncate, significand_size):
4531 Consider the log2_b field to always be one.
4532 (ieee_single_format, mips_single_format, coldfire_single_format,
4533 ieee_double_format, mips_double_format, coldfire_double_format,
4534 ieee_extended_motorola_format, ieee_extended_intel_96_format,
4535 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
4536 ibm_extended_format, mips_extended_format, ieee_quad_format,
4537 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
4538 decimal_single_format, decimal_double_format, decimal_quad_format,
4539 c4x_single_format, c4x_extended_format, real_internal_format): Remove
4540 initialization of log2_b.
4541 * real.h (i370_single_format, i370_double_format): Declarations removed.
4542 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
4543 field to always be one.
4544
4545 2007-05-21 Andreas Schwab <schwab@suse.de>
4546
4547 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
4548 NOTE_INSN_BASIC_BLOCK_P.
4549 (process_for_unwind_directive): Likewise.
4550
4551 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
4552
4553 * builtins.c (expand_builtin_setjmp_setup): Update comment.
4554 * function.h (struct function): Move va_list_gpr_size,
4555 va_list_fpr_size, function_frequency to front of bitfields. Add
4556 calls_unwind_init.
4557 (current_function_calls_unwind_init): New.
4558 * except.c (expand_builtin_unwind_init): Set
4559 current_function_calls_unwind_init not
4560 current_function_has_nonlocal_label.
4561 * reload1.c (has_nonexceptional_receiver): New.
4562 (reload): Use it and current_function_calls_unwind_init to
4563 determine whether call-saved regs must be saved.
4564
4565 2007-05-20 Jan Hubicka <jh@suse.cz>
4566
4567 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
4568 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4569 * ddg.c (create_ddg): LIkewise.
4570 * final.c (final): Remove hunk moving line numbernotes around since
4571 they are no longer present at this stage.
4572 (final_scan_insn): Use NOTE_KIND instead of
4573 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4574 (output_asm_label): Likewise.
4575 * reorg.c (dbr_schedule): Likewise.
4576 * haifa-sched.c (unlink_other_notes): Likewise.
4577 * mode-switching.c (optimize_mode_switching): Likewise.
4578 * graph.c (start_bb): Likewise.
4579 * rtl.def (NOTE): Update description.
4580 * jump.c (squeeze_notes): Delete.
4581 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
4582 NOTE_INSN_BASIC_BLOCK_P when possible.
4583 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
4584 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
4585 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4586 (dwarf2out_var_location): Likewise.
4587 * cfgbuild.c (make_edges): Likewise.
4588 (find_basic_blocks_1): Likewise.
4589 * function.c (reorder_blocks_1): Likewise.
4590 (epilogue_done): Likewise.
4591 (reposition_prologue_and_epilogue_notes): Likewise.
4592 * print-rtl.c (print_rtx): Likewise; drop code for printing line number
4593 notes.
4594 (print_rtl): Likewise.
4595 (print_rtl_single): Likewise.
4596 * gcse.c (insert_insn_start_bb): Likewise.
4597 * alias.c (init_alias_analysis): Likewise.
4598 * calls.c (fixup_tail_calls): Likewise.
4599 * except.c (sjlj_emit_function_enter): Likewise.
4600 * emit-rtl.c (add_insn_after): Likeiwse.
4601 (emit_label_before): Likewise.
4602 (emit_label_after): Likewise.
4603 (emit_note_before, emit_note_after, emit_note): Update
4604 parameter to be enum insn_note; do not deal with source
4605 files.
4606 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
4607 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
4608 when possible.
4609 (merge_blocks_move_successor_nojumps): Simplify now when
4610 we don't have BLOCK notes.
4611 (try_optimize_cfg): Likewise.
4612 * cfglayout.c (skip_insns_after_block): Likewise.
4613 (record_effective_endpoints): Likewise.
4614 (duplicate_insn_chain): Likewise.
4615 * varasm.c (output_constant_pool_1): Likewise.
4616 * sched-deps.c (sched_analyze): Likewise.
4617 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
4618 Exterminate.
4619 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
4620 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
4621 (SET_INSN_DELETED): Simplify.
4622 (NOTE_LINE_NUMBER): Exterminate.
4623 (NOTE_LINE_KIND): New.
4624 (NOTE_INSN_BASIC_BLOCK_P): Update.
4625 (enum insn_note): Simplify.
4626 (GET_NOTE_INSN_NAME) Simplify.
4627 (emit_note_before, emit_note_after, emit_note): Update prototype.
4628 (squeeze_notes): Remove.
4629 * sched-int.h (NOTE_NOT_BB_P): Update.
4630 * resource.c (mark_target_live_regs): Update.
4631 * sched-rgn.c (debug_dependencies): Update.
4632 * sched-vis.c (print_insn): Update.
4633 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
4634 * config/i386/i386.c (ix86_output_function_epilogue): Update.
4635 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
4636 (TARGET_ADJUST_UNROLL_MAX): Likewise.
4637 (split_branches): Update.
4638 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
4639 4.0.0.
4640 (sh_adjust_unroll_max): Exterminate.
4641 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
4642 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
4643 (m68hc11_reorg): Likewise.
4644 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
4645 (emit_predicate_relation_info): Update.
4646 (process_for_unwind_directive): Update.
4647 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
4648 (output_call): Update.
4649 * config/pa/pa.c (output_lbranch): Update.
4650 (output_millicode_call): Update.
4651 (output_call): Update.
4652 (pa_combine_instructions): Update.
4653 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
4654 * config/bfin/bfin.c (gen_one_bundle): Update.
4655 * cfgrtl.c (can_delete_note_p): Update.
4656 (delete_insn): Update.
4657 (rtl_merge_blocks): Update.
4658 (commit_one_edge_insertion): Update.
4659 (rtl_verify_flow_info): Update.
4660 * stmt.c (expand_case): Do not call squeeze_notes.
4661
4662 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4663
4664 PR middle-end/7651
4665 PR c++/11856
4666 PR c/12963
4667 PR c/23587
4668 PR other/29694
4669 * c.opt (Wtype-limits): New.
4670 * doc/invoke.texi (Wtype-limits): Document it.
4671 (Wextra): Enabled by -Wextra.
4672 * c-opts.c (c_common_post_options): Enabled by -Wextra.
4673 * c-common.c (shorten_compare): Warn with Wtype-limits.
4674
4675 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4676
4677 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
4678 inlined function, not as a macro.
4679 (_mm_alignr_pi8): Ditto.
4680 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4681 (_mm_inserti_si64): Ditto.
4682 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4683 (_mm_extract_epi16): Ditto.
4684 (_mm_insert_epi16): Ditto.
4685 (_mm_shufflehi_epi16): Ditto.
4686 (_mm_shufflelo_epi16): Ditto.
4687 (_mm_shuffle_epi32): Ditto.
4688 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
4689 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
4690 all functions.
4691 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
4692 float constant.
4693 (_m_to_float): Use C89 compatible assignment.
4694
4695 2007-04-20 Martin Michlmayr <tbm@cyrius.com>
4696
4697 PR target/32007
4698 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
4699
4700 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4701
4702 PR middle-end/7651
4703 * doc/invoke.texi (Wreturn-type): Complete description.
4704 (Wextra): Delete item about return-type warning.
4705 * c-decl.c: Delete redundant Wextra warning.
4706
4707 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4708
4709 PR target/31585
4710 * config/i386/pmmintrin.h: Do not include xmmintrin.h
4711 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
4712 inlined function, not as a macro.
4713 (_mm_prefetch): Ditto.
4714 (_m_pextrw): Ditto.
4715 (_mm_insert_pi16): Ditto.
4716 (_m_pinsrw): Ditto.
4717 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
4718 (_m_pshufw): Ditto. Add const to __N argument.
4719 (_mm_shufle_ps): Ditto. Add const to __mask argument.
4720 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
4721 (_mm_slli_epi32): Ditto.
4722 (_mm_srli_si128): Implement as always inlined function, not as a macro.
4723 Add __inline to function declaration.
4724 (_mm_slli_si128): Ditto.
4725
4726 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
4727
4728 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
4729 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
4730 New constants.
4731 (struct fenv): New structure.
4732 (FP_HANDLE_EXCEPTIONS): New define.
4733 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
4734 (_FP_DECL_EXP): New define.
4735 (FP_INIT_ROUNDMODE): New define.
4736 (FP_ROUNDMODE): New define.
4737
4738 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4739
4740 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
4741 (Wconversion): Update description.
4742 (Wconversion-sign): New.
4743 * c.opt (Wconversion-sign): New.
4744 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
4745 means disabled for C++. Otherwise, take the status of Wconversion.
4746 * c-common.c (conversion_warning): Warn with either Wconversion or
4747 Wconversion-sign.
4748 (warnings_for_convert_and_check): Conditions are already checked by
4749 conversion_warning.
4750 (convert_and_check): Don't check warnings if the conversion failed.
4751
4752 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
4753 Anatoly Sokolov <aesok@dol.ru>
4754
4755 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
4756 avr_epilogue_uses) : Add declaration.
4757 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
4758 * config/avr/constraints.md (R): New constraint.
4759 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
4760 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
4761 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
4762 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
4763 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
4764 call_prologue_saves, epilogue_restores, return_from_epilogue,
4765 return_from_main_epilogue, return_from_interrupt_epilogue,
4766 return_from_naked_epilogue, prologue, epilogue): New patterns.
4767 (jump): Handle symbol reference.
4768 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
4769 avr_output_function_prologue, avr_output_function_epilogue): Remove
4770 functions.
4771 (avr_init_machine_status, expand_prologue, expand_epilogue,
4772 avr_asm_function_end_prologue, avr_epilogue_uses,
4773 avr_asm_function_begin_epilogue): New functions.
4774 (prologue_size, epilogue_size, jump_tables_size): Remove global
4775 variables.
4776 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
4777 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
4778 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
4779 (avr_override_options): Initialise init_machine_status.
4780 (output_movhi): Handle all stack pointer loads.
4781 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
4782 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
4783 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
4784 (EPILOGUE_USES) Redefine.
4785 (machine_function) Declare.
4786
4787 2007-05-19 Richard Sandiford <richard@codesourcery.com>
4788
4789 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
4790 Use a single return statement.
4791
4792 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4793
4794 PR middle-end/30250
4795 * builtins.c (do_mpfr_lgamma_r): New.
4796 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
4797 * tree.h (CASE_FLT_FN_REENT): New.
4798
4799 2007-05-18 Geoffrey Keating <geoffk@apple.com>
4800
4801 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
4802 (output_die): Use 'unsigned long' with %x.
4803 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
4804 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
4805 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
4806
4807 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
4808
4809 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
4810
4811 PR target/31989
4812 PR target/31681
4813 PR target/31666
4814 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
4815 true if function has no argument.
4816
4817 2007-05-18 DJ Delorie <dj@redhat.com>
4818
4819 * config/mips/mips.c (mips_offset_within_alignment_p): New.
4820 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
4821
4822 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4823
4824 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
4825 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
4826 count_trailing_zeros.
4827 (__i386__): Implement count_leading_zeros using __builtin_clz().
4828 Implement count_trailing_zeros usign __builtin_ctz().
4829
4830 2007-05-18 Richard Sandiford <richard@codesourcery.com>
4831
4832 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
4833
4834 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4835
4836 PR middle-end/31344
4837 * expr.c (emit_move_change_mode): Change mode of push operands here.
4838
4839 2007-05-17 Ian Lance Taylor <iant@google.com>
4840
4841 PR tree-optimization/31953
4842 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
4843 Change all callers.
4844 (set_value_range_to_null): Call set_value_range_to_value.
4845 (extract_range_from_comparison): Likewise.
4846
4847 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4848
4849 * toplev.c (print_version): Output GMP/MPFR version info.
4850
4851 * builtins.c (CASE_MATHFN_REENT): New macro.
4852 (mathfn_built_in): Use it.
4853 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
4854 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
4855 BUILT_IN_LGAMMAL_R): New.
4856 * doc/extend.texi: Document new builtins.
4857
4858 PR middle-end/31796
4859 * builtins.c (do_mpfr_remquo): New.
4860 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
4861 (fold_builtin_3): Handle BUILT_IN_REMQUO.
4862
4863 PR middle-end/30251
4864 * builtins.c (fold_builtin_1): Handle y0, y1.
4865 (fold_builtin_2): Handle yn.
4866
4867 PR middle-end/30251
4868 * builtins.c (do_mpfr_bessel_n): New.
4869 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
4870 (fold_builtin_2): Handle BUILT_IN_JN.
4871
4872 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
4873
4874 PR target/31965
4875 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
4876 TYPE_PRECISION (intmax_type_node).
4877
4878 2007-05-17 Steve Ellcey <sje@cup.hp.com>
4879
4880 PR target/31850
4881 * reload.c (subst_reloads): Remove checking.
4882
4883 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4884
4885 PR rtl-optimization/31691
4886 * combine.c (simplify_set): Build a new src pattern instead of
4887 substituting its operands in the COMPARE case.
4888
4889 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4890
4891 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
4892 (execute_vrp): Preserve loops through jump threading.
4893 * tree-ssa-threadupdate.c (thread_single_edge,
4894 dbds_continue_enumeration_p, determine_bb_domination_status,
4895 thread_through_loop_header): New functions.
4896 (create_edge_and_update_destination_phis,
4897 create_edge_and_update_destination_phis): Set loops for the new blocks.
4898 (prune_undesirable_thread_requests): Removed.
4899 (redirect_edges): Do not pretend that redirect_edge_and_branch can
4900 create new blocks.
4901 (thread_block): Do not call prune_undesirable_thread_requests.
4902 Update loops.
4903 (mark_threaded_blocks): Select edges to thread here.
4904 (thread_through_all_blocks): Take may_peel_loop_headers argument.
4905 Thread edges through loop headers independently.
4906 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
4907 * tree-pass.h (TODO_mark_first_instance): New.
4908 (first_pass_instance): Declare.
4909 * cfghooks.c (duplicate_block): Put the block to the original loop
4910 if copy is not specified.
4911 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
4912 jump threading. Pass may_peel_loop_headers to
4913 thread_through_all_blocks according to first_pass_instance.
4914 * cfgloop.h (create_preheader): Declare.
4915 * tree-flow.h (thread_through_all_blocks): Declaration changed.
4916 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
4917 * passes.c (first_pass_instance): New variable.
4918 (next_pass_1): Set TODO_mark_first_instance.
4919 (execute_todo): Set first_pass_instance.
4920
4921 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
4922
4923 PR tree-optimization/24659
4924 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
4925 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
4926 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
4927 OTI_vec_pack_ufix_trunc.
4928 (vec_unpacks_float_hi_optab): Define new macro.
4929 (vec_unpacks_float_lo_optab): Ditto.
4930 (vec_unpacku_float_hi_optab): Ditto.
4931 (vec_unpacku_float_lo_optab): Ditto.
4932 (vec_pack_sfix_trunc_optab): Ditto.
4933 (vec_pack_ufix_trunc_optab): Ditto.
4934 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
4935 and vec_pack_[s|u]fix_trunc_optab using
4936 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
4937 * tree-vectorizer.c (supportable_widening_operation): Handle
4938 FLOAT_EXPR and CONVERT_EXPR. Update comment.
4939 (supportable_narrowing_operation): New function.
4940 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
4941 * tree-vect-transform.c (vectorizable_conversion): Handle
4942 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
4943 (vect_gen_widened_results_half): Move before vectorizable_conversion.
4944 (vectorizable_type_demotion): Call supportable_narrowing_operation()
4945 to check for target support.
4946 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
4947 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
4948 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
4949 for VEC_PACK_FIX_TRUNC_EXPR.
4950 (expand_binop): Special case mode of the result for
4951 vec_pack_[u|s]fix_trunc_optab.
4952 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
4953 vec_pack_[u|s]fix_trunc_optab.
4954
4955 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
4956 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
4957 * tree-pretty-print.c (dump_generic_node): Handle
4958 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
4959 VEC_PACK_FIX_TRUNC_EXPR.
4960 (op_prio): Ditto.
4961 * expr.c (expand_expr_real_1): Ditto.
4962 * tree-inline.c (estimate_num_insns_1): Ditto.
4963 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
4964
4965 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
4966 (vec_unpacks_float_lo_v8hi): Ditto.
4967 (vec_unpacku_float_hi_v8hi): Ditto.
4968 (vec_unpacku_float_lo_v8hi): Ditto.
4969 (vec_unpacks_float_hi_v4si): Ditto.
4970 (vec_unpacks_float_lo_v4si): Ditto.
4971 (vec_pack_sfix_trunc_v2df): Ditto.
4972
4973 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
4974 Document.
4975 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
4976 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
4977 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
4978 [vec_pack_ufix_trunc]: Ditto.
4979 [vec_unpacks_float_hi]: Ditto.
4980 [vec_unpacks_float_lo]: Ditto.
4981 [vec_unpacku_float_hi]: Ditto.
4982 [vec_unpacku_float_lo]: Ditto.
4983
4984 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
4985
4986 * soft-fp/README: Update for new files.
4987 * soft-fp/floattisf.c: New file.
4988 * soft-fp/floattidf.c: New file.
4989 * soft-fp/floattitf.c: New file.
4990 * soft-fp/floatuntisf.c: New file.
4991 * soft-fp/floatuntidf.c: New file.
4992 * soft-fp/floatuntitf.c: New file.
4993 * soft-fp/fixsfti.c: New file.
4994 * soft-fp/fixdfti.c: New file.
4995 * soft-fp/fixtfti.c: New file.
4996 * soft-fp/fixunssfti.c: New file.
4997 * soft-fp/fixunsdfti.c: New file.
4998 * soft-fp/fixunstfti.c: New file.
4999 * soft-fp/extendxftf.c: New file.
5000 * soft-fp/trunctfxf.c: New file.
5001
5002 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
5003 (__trunctfxf2): Ditto.
5004
5005 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
5006 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
5007 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
5008 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
5009 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
5010 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
5011
5012 * config/i386/t-fprules-softfp64: New file.
5013 * config/i386/sfp-machine.h: New file.
5014 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
5015 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
5016 and soft-fp/t-softfp to tmake_file.
5017 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
5018 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
5019
5020 * config/i386/t-linux64 (softfp_wrap_start): New.
5021 (softfp_wrap_end): New.
5022 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
5023 supported for TARGET_64BIT.
5024
5025 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
5026
5027 * c-common.c (c_common_signed_or_unsigned_type): Emulate
5028 c_common_unsigned_type behavior.
5029
5030 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
5031
5032 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
5033 calls as pure.
5034
5035 2007-05-16 Eric Christopher <echristo@apple.com>
5036
5037 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
5038 saving after stack push. Set sp_offset whenever we push.
5039 (rs6000_emit_epilogue): Move altivec register restore before
5040 stack push.
5041
5042 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5043
5044 * configure.ac: Allow sysroots to be relocated under $prefix as
5045 well as $exec_prefix.
5046 * configure: Regenerate.
5047
5048 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5049
5050 Revert:
5051
5052 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5053
5054 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5055 (gcc_tooldir): Likewise.
5056 * configure: Regenerate.
5057 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5058 old configure.ac gcc_tooldir setting.
5059 (prefix_to_exec_prefix): New variable.
5060 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5061 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5062
5063 2007-05-14 Janis Johnson <janis187@us.ibm.com>
5064
5065 * c-typeck.c (build_binary_op): Return early for error.
5066
5067 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5068
5069 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
5070 struct nb_iter_bound.
5071 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
5072 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
5073 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
5074 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
5075 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
5076 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
5077 (del_scev_info): Use ggc_free.
5078 (scev_initialize): Allocate scalar_evolution_info in gc memory.
5079 * loop-init.c: Include ggc.h.
5080 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
5081 (loop_optimizer_finalize): Use ggc_free.
5082 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
5083 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
5084 pass_iv_optimize): Add TODO_ggc_collect.
5085 * function.h (struct function): Remove skip marker from x_current_loops.
5086 * cfgloop.c: Include ggc.h.
5087 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
5088 memory.
5089 (establish_preds): Vector superloops is gc allocated.
5090 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
5091 loop->exits list.
5092 (flow_loops_find): Vector larray is gc allocated.
5093 (loop_exit_free): Use ggc_free.
5094 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
5095 that head of exits list is now not a part of struct loop.
5096 (record_loop_exits): Allocate exits table in gc memory.
5097 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
5098 head of exits list is now not a part of struct loop.
5099 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
5100 struct loop_exit): Add GTY marker.
5101 (struct loop): Add GTY marker. Make superloops vector gc allocated.
5102 Add skip marker to aux field. Make head of exits list a separate
5103 object.
5104 (struct loops): Add GTY marker. Make larray vector gc allocated.
5105 Add param marker to exits table.
5106 (get_loops): Type changed.
5107 * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
5108 dependency.
5109 (cfgloop.o, loop-init.o): Add ggc.h dependency.
5110 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
5111 * basic-block.h (struct basic_block_def): Remove skip marker from
5112 loop_father field.
5113
5114 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
5115
5116 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
5117 of 0 in the call to expand_expr().
5118 (expand_builtin_mathfn_3): Ditto.
5119 (expand_builtin_interclass_mathfn): Ditto.
5120 (expand_builtin_cexpi): Ditto.
5121 (expand_builtin_int_roundingfn): Ditto.
5122 (expand_builtin_int_roundingfn_2): Ditto.
5123 (expand_builtin_pow): Ditto.
5124 (expand_builtin_powi): Ditto.
5125 (expand_builtin_bswap): Ditto.
5126 (expand_builtin_unop): Ditto.
5127 (expand_builtin_fabs): Ditto.
5128 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
5129 the call to expand_expr().
5130 (expand_builtin_sync_operation): Ditto.
5131 (expand_builtin_compare_and_swap): Ditto.
5132 (expand_builtin_lock_test_and_set): Ditto.
5133 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
5134 instead of 0 in the call to expand_expr().
5135 (expand_builtin_extract_return_addr): Ditto.
5136 (expand_builtin_eh_return): Ditto.
5137 (expand_eh_return): Ditto.
5138 * explow.c (expr_size): Ditto.
5139 * expr.c (optimize_bitfield_assignment_op): Ditto.
5140 (expand_assignement): Ditto.
5141 (store_expr): Ditto.
5142 (store_field): Ditto.
5143 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
5144 the call to expand_expr().
5145 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
5146 in the call to expand_expr().
5147 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
5148 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
5149 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
5150 of expand_expr().
5151 * optabs.c (expand_vec_shift_expr): Ditto.
5152 (expand_vec_cond_expr): Ditto.
5153 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
5154 call to expand_expr().
5155 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
5156 in the call to expand_expr().
5157
5158 2007-05-14 Dave Korn <dave.korn@artimi.com>
5159
5160 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
5161
5162 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
5163
5164 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
5165 instead of c_common_unsigned_type.
5166 (c_common_unsigned_type): Remove.
5167 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
5168 c_common_unsigned_type.
5169 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
5170 c_common_unsigned_type.
5171 * c-common.h (c_common_unsigned_type): Remove.
5172 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
5173 c_common_unsigned_type.
5174 * c-format.c (check_format_types): Use unsigned_type_for instead of
5175 c_common_unsigned_type.
5176 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5177 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
5178 c_common_unsigned_type.
5179 * convert.c (convert_to_integer): Use unsigned_type_for instead of
5180 lang_hooks.types.unsigned_type.
5181 * expmed.c (make_tree): Use unsigned_type_for instead of
5182 lang_hooks.types.unsigned_type.
5183 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
5184 lang_hooks.types.unsigned_type.
5185 (build_range_check): Likewise.
5186 (fold_unary): Likewise.
5187 (fold_binary): Likewise.
5188 (fold_ternary): Likewise.
5189 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5190 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
5191 * tree.c (get_unsigned_type): New.
5192 (unsigned_type_for): Use get_unsigned_type instead of
5193 lang_hooks.types.unsigned_type.
5194
5195 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
5196
5197 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
5198 to m68k_get_function_kind. Update its prototype.
5199 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
5200 interrupt_thread.
5201 (m68k_interrupt_function_p): Return enum m68k_function_type
5202 instead of bool. Rename to m68k_get_function_kind.
5203 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
5204 target is not fido.
5205 (m68k_compute_frame_layout): Don't mark any register for save
5206 if an interrupt_thread attribute is specified.
5207 (m68k_hard_regno_rename_ok): Update a use of
5208 m68k_interrupt_function_p.
5209 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
5210 m68k_interrupt_function_p.
5211 (m68k_function_type): New.
5212 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
5213 for a function with an interrupt_thread attribute.
5214 * doc/extend.texi: Document the interrupt_thread attribute.
5215
5216 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
5217
5218 Fix PR tree-optimization/31911
5219 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5220 if they didn't change the expression.
5221
5222 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
5223
5224 * tree-scalar-evolution.c (resolve_mixers): Exported.
5225 * tree-scalar-evolution.h (resolve_mixers): Declare.
5226 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
5227 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5228 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
5229 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
5230 init_array_ref, init_pointer_ref, analyze_indirect_ref,
5231 strip_conversion, analyze_offset_expr, address_analysis,
5232 object_analysis, analyze_offset): Removed.
5233 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
5234 split_constant_offset, canonicalize_base_object_address,
5235 object_address_invariant_in_loop_p, disjoint_objects_p,
5236 dr_may_alias_p, dr_address_invariant_p): New functions.
5237 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
5238 and dr_analyze_alias.
5239 (initialize_data_dependence_relation): Use dr_may_alias_p
5240 and object_address_invariant_in_loop_p.
5241 (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
5242 is chrec_dont_know.
5243 (find_data_references_in_stmt): Restrict the analysis of data references
5244 to the given loop nest.
5245 (find_data_references_in_loop): Made static. Pass loop nest to
5246 find_data_references_in_stmt.
5247 (compute_data_dependences_for_loop): Use DR_VOPS.
5248 (free_data_ref): Free DR_VOPS.
5249 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
5250 (struct innermost_loop_behavior): ... new.
5251 (struct base_object_info): Replaced by ...
5252 (struct indices): ... new.
5253 (struct dr_alias): New.
5254 (enum data_ref_type): Removed.
5255 (struct data_reference): Consist of struct innermost_loop_behavior,
5256 struct indices and struct dr_alias.
5257 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
5258 (DR_MEMTAG): Renamed to ...
5259 (DR_SYMBOL_TAG): ... this.
5260 (find_data_references_in_loop): Declaration removed.
5261 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
5262 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
5263 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
5264 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
5265
5266 2007-05-13 Revital Eres <eres@il.ibm.com>
5267
5268 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
5269 which walks virtual def-use chains to find redundant stores.
5270 (dse_optimize_stmt): Call it.
5271
5272 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5273
5274 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
5275 * passes.c (init_optimization_passes): Move pass_jump_bypass
5276 after loop2.
5277
5278 * basic-block.h (bb_has_eh_pred): Fix style issue.
5279
5280 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5281
5282 PR rtl-optimization/31848
5283 * loop-invariant.c (move_invariant_reg): If we move an insn
5284 with a REG_EQUAL note, and that insn is not always executed,
5285 remove the REG_EQUAL note.
5286
5287 2007-05-12 Richard Guenther <rguenther@suse.de>
5288
5289 PR tree-optimization/31797
5290 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
5291 propagate into a stmt that has volatile ops.
5292
5293 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5294
5295 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5296 (gcc_tooldir): Likewise.
5297 * configure: Regenerate.
5298 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5299 old configure.ac gcc_tooldir setting.
5300 (prefix_to_exec_prefix): New variable.
5301 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5302 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5303
5304 2007-05-11 Silvius Rus <rus@google.com>
5305
5306 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
5307 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
5308 * c-common.h (strict_aliasing_warning): Change return type.
5309 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
5310 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
5311 (build_c_cast): Condition call to strict_aliasing_warning.
5312 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
5313 * flags.h (set_Wstrict_aliasing): Declare.
5314 * opts.c (set_Wstrict_alising): Define, add call to.
5315 * tree-flow.h (strict_aliasing_warning_backend): Declare.
5316 * tree-ssa-alias-warnings.c: New file.
5317 * tree-ssa-alias.c (compute_may_aliases): Add call to
5318 strict_aliasing_warning_backend.
5319
5320 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
5321
5322 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
5323 Use loop_depth and loop_outer accessor functions.
5324 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
5325 determine_invariantness_stmt, move_computations_stmt): Ditto.
5326 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
5327 add_loop, loopify, unloop, fix_loop_structure): Ditto.
5328 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
5329 * tree-scalar-evolution.c (interpret_loop_phi,
5330 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
5331 instantiate_parameters_1, scev_const_prop): Ditto.
5332 * cfghooks.c (make_forwarder_block): Ditto.
5333 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
5334 * modulo-sched.c (loop_canon_p): Ditto.
5335 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
5336 slpeel_can_duplicate_loop_p): Ditto.
5337 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
5338 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
5339 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
5340 cancel_loop, verify_loop_structure): Ditto.
5341 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
5342 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
5343 superloops vector instead of "pred" array.
5344 (establish_preds): Take father loop as an argument. Initialize the
5345 superloops vector.
5346 (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
5347 initialize loop->outer.
5348 (flow_loop_tree_node_remove): Truncate the superloops vector.
5349 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
5350 "pred" merged to "superloops" vector.
5351 (loop_depth, loop_outer): New.
5352 (fel_init): Use loop_outer.
5353
5354 2007-05-11 Jan Hubicka <jh@suse.cz>
5355
5356 * cgraphunit.c: Include gt-cgraphunit.h
5357 (static_ctors, static_dtors): New static vars.
5358 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
5359 based on implementation in c-common.c
5360 (cgraph_finalize_function): Call record_cdtor_fn.
5361 (cgraph_optimize): Call cgraph_build_cdtor_fns.
5362 * decl.c (finish_function): Do not call c_record_cdtor_fn.
5363 (c_write_global_declarations): Do not call c_build_cdtor_fns.
5364 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
5365 build_cdtor, c_build_cdtor_fns): Remove.
5366 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
5367 c_build_cdtor_fns): Remove prototype.
5368
5369 2007-05-11 Paolo Carlini <pcarlini@suse.de>
5370
5371 PR other/31852
5372 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
5373 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
5374 * builtins.c (fold_builtin_memchr): New.
5375 (expand_builtin_memchr): Call the latter.
5376 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
5377 * doc/extend.texi ([Other built-in functions provided by GCC]):
5378 Document memchr.
5379
5380 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
5381
5382 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
5383 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
5384 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
5385 PFPO_OP1_TYPE_SHIFT): Constants added.
5386 (DFP_ALL): Mode macro defined.
5387 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
5388 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
5389 Insn definitions added.
5390 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
5391 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
5392 Expanders added.
5393
5394 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
5395
5396 PR tree-optimization/31885
5397 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
5398 to be undetermined.
5399 (automatically_generated_chrec_p): Return false for NULL.
5400
5401 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5402
5403 * config/bfin/bfin.h (MOVE_RATIO): Define.
5404
5405 2007-05-10 Richard Sandiford <richard@codesourcery.com>
5406
5407 * config.gcc (sparc-wrs-vxworks): New target.
5408 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
5409 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
5410 * config/sparc/sparc.h: Include vxworks-dummy.h.
5411 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
5412 include LABEL_REFs too.
5413 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
5414 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
5415 VxWorks.
5416 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
5417 on VxWorks.
5418 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
5419 (sparc_emit_call_insn): New function.
5420 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
5421 functions when generating VxWorks PIC.
5422 * config/sparc/sparc.md (vxworks_load_got): New pattern.
5423 (call, call_value): Use sparc_emit_call_insn instead of
5424 emit_call_insn.
5425
5426 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5427
5428 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
5429
5430 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5431
5432 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
5433 for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double
5434 instead of operand_subword.
5435
5436 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5437
5438 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
5439 * config/bfin/bfin.c (bfin_local_alignment): New function.
5440 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
5441
5442 2007-05-08 Chao-ying Fu <fu@mips.com>
5443
5444 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
5445 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
5446 (smsub_widen_optab, umsub_widen_optab): Define.
5447 * optabs.c (init_optabs): Initialize smsub_widen_optab and
5448 umsub_widen_optab.
5449 * genopinit.c (optabs): Fill in smsub_widen_optab and
5450 umsub_widen_optab.
5451 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
5452 and umsub_widen_optab to implement multiply-subtract sequences.
5453 * config/mips/mips.md (*msac<u>_di): Rename to...
5454 (<u>msubsidi4): ...this. Extend condition to include
5455 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
5456 of operand 0 to "ka" and use the three-operand form of msub<u>
5457 for TARGET_DSPR2.
5458 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
5459 to define_expands.
5460
5461 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
5462
5463 PR rtl-optimization/28011
5464 * reload.c (push_reload): Set dont_share if IN appears in OUT
5465 also when IN is a PLUS rtx.
5466 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
5467 are same PLUS rtx.
5468
5469 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
5470
5471 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
5472 call unshare_all_decls.
5473 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
5474 (unshare_all_decls): Remove.
5475
5476 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
5477
5478 PR 31847
5479 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
5480 dumps.
5481
5482 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
5483 Nigel Stephens <nigel@mips.com>
5484
5485 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
5486 Update comments and all uses.
5487 (MIN_FPRS_PER_FMT): Define.
5488 * config/mips/mips.c (function_arg): Fix to correctly handle
5489 the -mips32r2 -mfp64 -mabi=32 case.
5490 (override_options): Enable use of odd-numbered registers for
5491 SFmode values on MIPS32.
5492 (mips_save_reg_p): Save whole floating-point register pair if
5493 either half is used.
5494 (compute_frame_size): Fix comment.
5495
5496 2007-05-08 Jie Zhang <jie.zhang@analog.com>
5497
5498 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
5499 argument of type bool.
5500 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
5501 argument. Safely select temporary P register according to it.
5502 (do_link): Change call site of add_to_reg accordingly.
5503 (do_unlink): Add epilogue_p as a fourth argument and pass it
5504 to add_to_reg.
5505 (expand_interrupt_handler_epilogue): Change call of do_unlink
5506 accordingly.
5507 (bfin_expand_prologue): Add a third argument sibcall_p.
5508 * config/bfin/bfin.md (epilogue): Change call of
5509 bfin_expand_epilogue accordingly.
5510 (sibcall_epilogue): Likewise.
5511 (eh_return_internal): Likewise.
5512
5513 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
5514 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
5515 * config/bfin/bfin.c (bfin_handle_option): Handle
5516 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
5517 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
5518 Support bf534, bf536 and bf561.
5519 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
5520
5521 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
5522
5523 PR target/31854
5524 * config/i386/i386.c (ix86_function_regparm): Process local
5525 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
5526
5527 2007-05-07 Mike Stump <mrs@apple.com>
5528
5529 * doc/invoke.texi (Warning Options): Document that -Wempty-body
5530 also checks for and while statements in C++.
5531
5532 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
5533
5534 * gcc.c (at_file_supplied): New variable.
5535 (main): Set it if we expanded argv.
5536 (do_spec_1): Pass an @-file to the linker if we were called with
5537 an @-file argument and HAVE_GNU_LD.
5538 * collect2.c (at_file_supplied): New variable.
5539 (response_file): New variable.
5540 (collect_exit): Unlink response_file if necessary.
5541 (handler): Likewise.
5542 (do_wait): Likewise.
5543 (main): Set at_file_supplied if we expanded argv.
5544 (collect_execute): Pass an @-file to subprocesses if we were called
5545 with an @-file argument.
5546 * configure.ac: Add define for HAVE_GNU_LD.
5547 * configure: Regenerate.
5548 * config.in: Regenerate.
5549
5550 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
5551
5552 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
5553 operand to HI mode.
5554 (mulsi3): New.
5555 (divsi3): New.
5556 (udivsi3): New.
5557
5558 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
5559
5560 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5561 (TARGET_ENCODE_SECTION_INFO): Re-define.
5562 (m32c_encode_section_info): New
5563 (function_vector_handler): New
5564 (current_function_special_page_vector): New
5565 (m32c_special_page_vector_p): New.
5566 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
5567 Prototype.
5568 * config/m32c/jump.md: Added instruction JSRS for functions
5569 with attribute "function_vector".
5570 * doc/extend.texi (function_vector): Added description
5571 for M16C, M32C targets.
5572
5573 2007-05-07 DJ Delorie <dj@redhat.com>
5574
5575 PR 31794
5576 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
5577 ashrpsi3, lshrpsi3): Update shift count constraint.
5578
5579 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
5580 Nathan Froyd <froydnj@codesourcery.com>
5581
5582 PR 22133
5583 * c-incpath.c (add_path): Strip trailing path separators.
5584
5585 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
5586
5587 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
5588 Free dominance info before purging EH edges.
5589 (eliminate_degenerate_phis): Likewise.
5590 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
5591
5592 2007-05-07 Jan Hubicka <jh@suse.cz>
5593
5594 * gimplify.c (gimplify_expr): Do not crash when folding
5595 (void *)(int)&a + 4.
5596
5597 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5598
5599 PR driver/31694
5600 * c-opts.c (lang_fortran): Make it non static.
5601 * c-common.h (lang_fortran): New prototype.
5602 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
5603 -lang-fortran option was passed by the driver.
5604
5605 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
5606
5607 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
5608 of ASSERT_CHECKING. Tweak message.
5609
5610 2007-05-06 Revital Eres <eres@il.ibm.com>
5611
5612 PR 30957
5613 * loop-unroll.c (insert_var_expansion_initialization):
5614 Initialize the expansions with -zero instead of +zero.
5615
5616 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
5617
5618 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
5619 into pic and non-pic versions. Mark r19 as used for
5620 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
5621 for tgd_load, tld_load and tie_load .
5622 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
5623 version of tgd_load, tld_load and tie_load depending on the
5624 value of flag_pic.
5625
5626 2007-05-04 Ulrich Drepper <drepper@redhat.com>
5627 Jakub Jelinek <jakub@redhat.com>
5628
5629 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
5630 (__do_global_dtors_aux): Use more paranoid loop to run
5631 destructors if HIDDEN_DTOR_LIST_END.
5632 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
5633
5634 2007-05-04 Jakub Jelinek <jakub@redhat.com>
5635
5636 * varasm.c (align_variable): Don't increase alignment for
5637 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
5638 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
5639
5640 2007-05-04 Josh Conner <jconner@apple.com>
5641
5642 * basic-block.h (cdi_direction): Assign values to all enumeration
5643 constants.
5644 (dom_computed): Remove.
5645 (dom_info_state): New.
5646 (set_dom_info_availability): New.
5647 * tree-ssa-loop-im.c (determine_invariantness): Initialize
5648 walk_data.dom_direction.
5649 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
5650 instead of dom_computed[].
5651 (split_edge): Likewise.
5652 (create_basic_block): Likewise.
5653 (merge_blocks): Likewise.
5654 * ifcvt.c (find_if_header): Likewise.
5655 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
5656 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5657 * tree-ssa.c (verify_ssa): Likewise.
5658 * tree-cfg.c (tree_verify_flow_info): Likewise.
5659 (remove_edge_and_dominated_blocks): Likewise.
5660 * dominance.c (dom_computed): Make static.
5661 (calc_dfs_tree_nonrec): Change third param to a bool.
5662 (calc_dfs_tree): Change second param to a bool.
5663 (calc_idioms): Change second param to a bool. Use
5664 dom_convert_dir_to_idx.
5665 (init_dom_info): Validate dir before using.
5666 (dom_convert_dir_to_idx): New.
5667 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
5668 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
5669 (free_dominance_info): Use dom_convert_dir_to_idx.
5670 (get_immediate_dominator): Likewise.
5671 (set_immediate_dominator): Likewise.
5672 (get_dominated_by): Likewise.
5673 (redirect_immediate_dominators): Likewise.
5674 (nearest_common_denominator): Likewise.
5675 (dominated_by_p): Likewise.
5676 (bb_dom_dfs_in): Likewise.
5677 (bb_dom_dfs_out): Likewise.
5678 (recount_dominator): Likewise.
5679 (iterate_fix_dominators): Likewise.
5680 (add_to_dominance_info): Likewise.
5681 (delete_from_dominance_info): Likewise.
5682 (first_dom_son): Likewise.
5683 (next_dom_son): Likewise.
5684 (dom_info_available_p): Likewise.
5685 (dom_info_state): New.
5686 (set_dom_info_availability): New.
5687
5688 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5689
5690 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
5691 Expander removed.
5692 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
5693
5694 2007-05-04 Bob Wilson <bob.wilson@acm.org>
5695
5696 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
5697 (subdi3, subdi_carry): Delete.
5698
5699 2007-05-04 Jan Hubicka <jh@suse.cz>
5700 Richard Guenther <rguenther@suse.de>
5701
5702 * opts.c (decode_options): Do not fiddle with inlining
5703 parameters in case of optimizing for size.
5704 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
5705 for size do nothing.
5706 (cgraph_decide_inlining_of_small_function): When optimizing for
5707 size never inline functions increasing caller size.
5708 (cgraph_early_inlining): Inline for size when optimizing for size.
5709
5710 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
5711
5712 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
5713 logical operations piecewise.
5714 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
5715 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
5716 subdi_sesidi_di): Delete.
5717 (add_with_carry): Produce carry in CC instead of a DREG to shorten
5718 the generated sequence. Allow three-reg add in constraints. Rewrite
5719 the rtl expression for carry to avoid zero_extend of a constant.
5720 (sub_with_carry): New pattern.
5721 (adddi3, subdi3): Change into define_expand. For subtract, generate a
5722 different sequence not involving jumps.
5723 (notbi): Now a named pattern.
5724
5725 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
5726
5727 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
5728 Add the note about a significant loss of accuracy of some
5729 mathematical routines when these options are used.
5730
5731 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5732
5733 * haifa-sched.c (rtx_vec_t): New typedef.
5734 (contributes_to_priority_p): Extract piece of priority () into new
5735 static function.
5736 (priority): Use the function. Add assertion.
5737 (rank_for_schedule, set_priorities): Add assertion to check that
5738 insn's priority is initialized.
5739 (clear_priorities, calc_priorities): Change signature. Make it update
5740 all relevant insns. Update all callers ('add_to_speculative_block ()'
5741 and 'create_block_check_twin ()').
5742 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
5743 Add new field 'priority_status'.
5744 (INSN_PRIORITY_STATUS): New macro.
5745 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
5746
5747 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5748
5749 * sched-ebb.c (debug_ebb_dependencies): New static function.
5750 (init_ready_list): Use it.
5751
5752 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
5753 with changed signature and 'debug_rgn_dependencies ()'.
5754 (debug_rgn_dependencies): New static function.
5755 (init_ready_list): Use it.
5756
5757 * sched-int.h (debug_dependencies): Declare.
5758
5759 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5760
5761 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
5762
5763 2007-05-04 Dirk Mueller <dmueller@suse.de>
5764
5765 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
5766
5767 2007-05-03 Jan Hubicka <jh@suse.cz>
5768
5769 * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
5770 for pointer type in more cases than before.
5771
5772 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
5773
5774 * tree-object-size.c (plus_expr_object_size): When operand size is
5775 unknown, return unknown.
5776
5777 2007-05-03 Dirk Mueller <dmueller@suse.de>
5778
5779 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
5780
5781 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
5782 options.
5783
5784 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
5785
5786 2007-05-03 Janis Johnson <janis187@us.ibm.com>
5787
5788 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
5789
5790 2007-05-03 Joseph Myers <joseph@codesourcery.com>
5791
5792 * config/soft-fp/double.h, config/soft-fp/extended.h,
5793 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
5794 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
5795 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
5796 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
5797 glibc CVS.
5798
5799 2007-05-03 Ian Lance Taylor <iant@google.com>
5800
5801 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
5802 MASK_PPC_GFXOPT for 8540 or 8548.
5803
5804 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5805
5806 * tree-vect-transform.c (vect_update_inits_of_drs): Use
5807 vect_print_dump_info() to output debug information.
5808
5809 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5810
5811 PR target/31768
5812 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
5813 operands of size 2 when operand is not MEM_P.
5814
5815 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5816
5817 PR tree-optimization/30565
5818 * lambda-code.c (perfect_nestify): Fix updating of dominators.
5819
5820 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
5821
5822 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
5823 (umulsi3_highpart): Use them.
5824 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
5825 for final accumulator to D regisster tranfser.
5826
5827 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
5828
5829 PR tree-optimization/31699
5830 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
5831 code.
5832 (vect_enhance_data_refs_alignment): Compute peel amount using
5833 TYPE_VECTOR_SUBPARTS instead of vf.
5834 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
5835
5836 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
5837
5838 PR bootstrap/31776
5839 * system.h: Remove inclusion of double-int.h
5840 * tree.h: Include double-int.h
5841 * gengtype.c: Likewise
5842 * cfgloop.h: Likewise
5843 * Makefile.in: Adjust dependencies on double-int.h
5844
5845 2007-05-02 Eric Christopher <echristo@apple.com>
5846
5847 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
5848 -shared to -Zdynamiclib.
5849
5850 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
5851
5852 PR c++/31663
5853 * c-common.c (strip_pointer_or_array_types): New function.
5854 * c-common.h (strip_pointer_or_array_types): New function declaration.
5855
5856 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5857
5858 PR tree-optimization/31771
5859 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
5860
5861 2007-05-02 Paul Brook <paul@codesourcery.com>
5862
5863 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
5864
5865 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5866
5867 PR middle-end/29715
5868 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
5869 transformation.
5870
5871 2007-05-02 Nick Clifton <nickc@redhat.com>
5872
5873 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
5874
5875 2007-05-02 Richard Guenther <rguenther@suse.de>
5876
5877 PR tree-optimization/31146
5878 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
5879 argument, single_use_p. If we have a single use that is
5880 a conversion to the definition rhs type, propagate that rhs.
5881 (forward_propagate_addr_expr): Pass single_use_p argument
5882 to forward_propagate_addr_expr_1.
5883
5884 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
5885
5886 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
5887 variable.
5888
5889 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5890
5891 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
5892 'AMD Family 10 core'.
5893
5894 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5895
5896 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
5897 and athlon64-sse3 as improved versions of k8, opteron and athlon64
5898 with SSE3 instruction set support.
5899 * doc/invoke.texi: Likewise.
5900
5901 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5902
5903 * config/i386/i386.c (override_options): Tuning 32-byte loop
5904 alignment for amdfam10 architecture. Increasing the max loop
5905 alignment to 24 bytes.
5906
5907 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
5908
5909 * config/m68k/constraints.md: New.
5910 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
5911 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
5912 EXTRA_CONSTRAINT): Remove.
5913 * config/m68k/m68k.md: Include constraints.md.
5914 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
5915
5916 2007-05-01 Ian Lance Taylor <iant@google.com>
5917
5918 PR tree-optimization/31739
5919 * tree-vrp.c (vrp_val_is_max): New static function.
5920 (vrp_val_is_min): New static function.
5921 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
5922 copying the node.
5923 (set_value_range): Use vrp_val_is_{max,min}.
5924 (extract_range_from_assert): Likewise.
5925 (extract_range_from_binary_expr): Likewise.
5926 (extract_range_from_unary_expr): Likewise.
5927 (dump_value_range, vrp_meet): Likewise.
5928 (vrp_visit_phi_node): Likewise.
5929 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
5930
5931 2007-05-01 Mark Mitchell <mark@codesourcery.com>
5932
5933 * config/i386/gmon-sol2.c (size_t): New type.
5934 (intptr_t): Likewise.
5935 (s_textsize): Declare as size_t.
5936 (sbrk): Declare.
5937 (monstartup): Use size_t for sizes.
5938 (_mcount): Save and restore registers.
5939 (internal_mcount): Pass 0 as the first argument to monstartup
5940 in 64-bit mode.
5941 (moncontrol): Convert pointer to appropriately sized integer
5942 before passing to profil.
5943
5944 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5945
5946 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
5947 __NO_FPRS__, not just if _SOFT_DOUBLE.
5948 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
5949 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
5950 also for E500 double.
5951 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
5952 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
5953 && !TARGET_FPRS).
5954
5955 2007-05-01 Richard Guenther <rguenther@suse.de>
5956
5957 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
5958 is NULL.
5959
5960 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5961
5962 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
5963
5964 2007-05-01 Jan Hubicka <jh@suse.cz>
5965
5966 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
5967 invariant.
5968
5969 2007-05-01 Jan Hubicka <jh@suse.cz>
5970
5971 * tree.h (maybe_fold_offset_to_component_ref): Remove.
5972 (maybe_fold_offset_to_reference): Declare.
5973 * fold-const.c (fold_unary): Do not fold
5974 (type *)&A into &A->field_of_type_and_offset_0
5975 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
5976 size is unknown, give up.
5977 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
5978 offsets.
5979 (maybe_fold_offset_to_reference): New.
5980 (maybe_fold_stmt_indirect): Use it.
5981 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
5982 * gimplify.c (gimplify_conversion): Canonicalize conversions to
5983 field references.
5984 (gimplify_expr): Likewise for plus_expr.
5985
5986 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5987
5988 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
5989 bsi_after_labels. Always insert statements before bsi.
5990 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5991 * predict.c (apply_return_prediction): Check for empty blocks.
5992 * cfgexpand.c (lab_rtx_for_bb): New variable.
5993 (label_rtx_for_bb): Do not create new tree labels.
5994 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
5995 (tree_expand_cfg): Initialize lab_rtx_for_bb.
5996 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
5997 creating edges.
5998 (label_for_bb): Add field used.
5999 (update_eh_label, main_block_label): Mark the label used.
6000 (cleanup_dead_labels): Remove unused labels.
6001
6002 2007-05-01 Richard Guenther <rguenther@suse.de>
6003
6004 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
6005 if it is not about to be set.
6006 (get_value_range): Do not pre-allocate equiv bitmap.
6007 (update_value_range): No need to clear equiv field.
6008 (add_equivalence): Change prototype to get bitmap pointer.
6009 Allocate bitmap here if it is not already.
6010 (extract_range_from_assert): Do not allocate bitmap here.
6011 Update callers to add_equivalence.
6012 (extract_range_from_ssa_name): Likewise.
6013 (get_vr_for_comparison): New static helper.
6014 (compare_name_with_value): Handle NULL equiv bitmap by
6015 peeling the first iteration of the comparison loop.
6016 Use get_vr_for_comparison.
6017 (compare_names): Handle NULL equiv bitmaps by using fake
6018 ones. Use get_vr_for_comparison.
6019
6020 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
6021
6022 * double-int.c (mpz_set_double_int): Moved from
6023 tree-ssa-loop-niter.c.
6024 (mpz_get_double_int): Likewise; also, add option to wrap
6025 out-of-range integers.
6026 * double-int.h: New prototypes for above.
6027 * tree.c (get_static_type_bounds): Moved from
6028 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
6029 TYPE_MAX_VALUE if they exist..
6030 * tree.h: New prototype for above.
6031 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
6032 get_type_bounds calls.
6033 (mpz_set_double_int): Move to double-int.c.
6034 (get_type_bounds): Move to tree.c, rename to
6035 get_static_type_bounds.
6036 (mpz_to_double_int): Move to double-int.c, rename to
6037 mpz_get_double_int.
6038
6039 2007-04-30 Bob Wilson <bob.wilson@acm.org>
6040
6041 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
6042 DIV0 exception can fall through to a normal return.
6043
6044 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
6045
6046 PR middle-end/22156
6047 Temporarily revert:
6048 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
6049 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
6050 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6051 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
6052 initialize align to silence bogus warning.
6053 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6054 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
6055 all_no_warning.
6056 (struct sra_walk_fns): Remove use_all parameter from use.
6057 (sra_hash_tree): Handle BIT_FIELD_REFs.
6058 (sra_elt_hash): Don't hash bitfld blocks.
6059 (sra_elt_eq): Skip them in parent compares as well. Handle
6060 BIT_FIELD_REFs.
6061 (sra_walk_expr): Don't maintain or pass down use_all_p.
6062 (scan_use): Remove use_all parameter.
6063 (scalarize_use): Likewise. Re-expand assignment to
6064 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
6065 output, and re-scalarize after output. Don't mark anything
6066 for no warning.
6067 (scalarize_ldst): Adjust.
6068 (scalarize_walk_gimple_modify_statement): Likewise.
6069 (build_element_name_1): Handle BIT_FIELD_REFs.
6070 (instantiate_element): Don't warn for any element whose parent
6071 is used as a whole.
6072 (instantiate_missing_elements_1): Return the sra_elt.
6073 (canon_type_for_field): New.
6074 (try_instantiate_multiple_fields): New.
6075 (instantiate_missing_elemnts): Use them.
6076 (mark_no_warning): Removed.
6077 (generate_one_element_ref): Handle BIT_FIELD_REFs.
6078 (REPLDUP, sra_build_elt_assignment): New.
6079 (generate_copy_inout): Use them.
6080 (generate_element_copy): Likewise. Handle bitfld differences.
6081 (generate_element_zero): Don't recurse for blocks. Use
6082 sra_build_elt_assignment.
6083 (generate_one_element_int): Take elt instead of var. Use
6084 sra_build_elt_assignment.
6085 (generate_element_init_1): Adjust.
6086 (scalarize_use, scalarize_copy): Use REPLDUP.
6087 (scalarize_ldst): Move assert before dereference.
6088 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
6089
6090 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
6091
6092 PR C++/31721
6093 * tree.c (reconstruct_complex_type): Reconstruct a reference
6094 correctly.
6095 Also use the same mode for the pointer as the old pointer type.
6096
6097 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6098
6099 * doc/trouble.texi (Interoperation): Remove note about Ultrix
6100 Fortran compiler.
6101
6102 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
6103
6104 PR rtl-optimization/31676
6105 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
6106 (df_refs_record): Call it.
6107
6108 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
6109
6110 * rtl.def (SS_ABS): New code.
6111 * config/bfin/bfin.c (print_operand): New modifier 'v'.
6112 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
6113 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
6114 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
6115 (bfin_init_builtins): Define them.
6116 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
6117 (bfin_expand_builtin): ... and handle the others here.
6118 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
6119 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
6120 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
6121 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
6122 operand is only HImode.
6123
6124 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
6125
6126 * regclass.c (scan_one_insn): Remove splitting of
6127 two address insns.
6128
6129 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
6130 Nigel Stephens <nigel@mips.com>
6131
6132 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6133
6134 2007-04-28 Jan Hubicka <jh@suse.cz>
6135
6136 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
6137 insn_locators_alloc instead of insn_locators_initialize;
6138 call reset_block_changes.
6139 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6140 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
6141 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
6142 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
6143 * config/score/score.c (th_output_mi_thunk): Likewise.
6144 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
6145 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
6146 tolerate uninitialized locator info.
6147
6148 Re-apply:
6149 * function.c (init_function_start): Don't init line number info.
6150 (expand_function_end): Update.
6151 (reset_block_changes, record_block_change, finalize_block_changes,
6152 check_block_change, free_block_changes): Kill.
6153 * function.h (reset_block_changes, record_block_change,
6154 finalize_block_changes, check_block_change, free_block_changes): Remove
6155 prototypes.
6156 (struct function): Remove ib_boundaries_block.
6157 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6158 Use curr_insn_locator to initialize locator.
6159 (emit_line_note): Remove.
6160 * cfgexpand.c (expand_gimple_cond_expr): Update.
6161 (construct_exit_block): Likewise.
6162 (tree_expand_cfg): Initialize/finalize locators.
6163 * expr.c (expand_expr_real): Update.
6164 * cfglayout.c (line_locators_locs, line_locators_lines,
6165 file_locators_locs, file_locators_files): Remove.
6166 (set_block_levels): Move to cfgexpand.c.
6167 (insn_locators_initialize): Remove.
6168 (pass_insn_locators_initialize): Remove.
6169 (locations_locators_locs, locations_locators_vals): New static vars.
6170 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6171 Likewise.
6172 (insn_locators_alloc, insn_locators_finalize,
6173 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6174 New functions.
6175 (locator_location): New.
6176 (locator_line, locator_file): Rewrite.
6177 * rtl.h (emit_line_note): Kill.
6178 (insn_locators_alloc, insn_locators_finalize,
6179 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6180 Declare.
6181 * tree-inline.c (initialize_cfun): Do not initialize
6182 ib_boundaries_block.
6183 * passes.c (pass_insn_locators_initialize): Remove.
6184
6185 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
6186
6187 * tree-cfg.c (move_block_to_fn): Release bb from dominance
6188 info. Update last_basic_block correctly.
6189
6190 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
6191
6192 PR target/31701
6193 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
6194 register itself to hold the offset constant. Tell flow the use
6195 of r4 and r5 when they are used.
6196
6197 2007-04-27 Richard Guenther <rguenther@suse.de>
6198
6199 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
6200 if we simplified anything.
6201 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
6202 warnings until we did a simplification and the stmt was not
6203 marked as TREE_NO_WARNING.
6204
6205 2007-04-27 Mike Stump <mrs@apple.com>
6206
6207 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
6208
6209 2007-04-27 Ian Lance Taylor <iant@google.com>
6210
6211 PR middle-end/31710
6212 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
6213 TYPE_MAX_VALUE exist, convert them to the new type.
6214
6215 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6216
6217 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
6218 if it claims to be available.
6219 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
6220 edge is redirected.
6221 (perform_tree_ssa_dce): Always free postdominators.
6222
6223 2007-04-27 Richard Henderson <rth@redhat.com>
6224
6225 * config/alpha/predicates.md (aligned_memory_operand): Mark
6226 as define_special_predicate.
6227 (unaligned_memory_operand, normal_memory_operand): Likewise.
6228 (reg_or_unaligned_mem_operand): Remove.
6229 (any_memory_operand): Match the documentation and check for
6230 non-renumbered pseudos during reload.
6231 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
6232 alpha_secondary_reload_class, update to new interface, make static.
6233 Handle CQImode like HImode. Remove FP subreg check.
6234 (alpha_expand_mov): Use replace_equiv_address.
6235 (alpha_expand_mov_nobwx): Use any_memory_operand.
6236 (TARGET_SECONDARY_RELOAD): New.
6237 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
6238 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6239 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
6240 * config/alpha/alpha.md: ... here.
6241 (RELOAD12, reloadmode): New.
6242 (movcqi): New.
6243 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
6244 Don't handle the aligned case here.
6245 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
6246 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
6247 reload_inhi_help. Don't expect a scratch register.
6248 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
6249 reload_outhi_help.
6250 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
6251
6252 2007-04-27 Richard Guenther <rguenther@suse.de>
6253
6254 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
6255
6256 2007-04-27 Richard Guenther <rguenther@suse.de>
6257
6258 PR tree-optimization/30965
6259 PR tree-optimization/30978
6260 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
6261 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
6262 (find_equivalent_equality_comparison): Likewise.
6263 (simplify_cond): Likewise.
6264 (get_prop_source_stmt): New helper.
6265 (get_prop_dest_stmt): Likewise.
6266 (can_propagate_from): Likewise.
6267 (remove_prop_source_from_use): Likewise.
6268 (combine_cond_expr_cond): Likewise.
6269 (forward_propagate_comparison): New function.
6270 (forward_propagate_into_cond): Rewrite to use fold for
6271 tree combining.
6272 (tree_ssa_forward_propagate_single_use_vars): Call
6273 forward_propagate_comparison to propagate comparisons.
6274
6275 2007-04-27 Richard Guenther <rguenther@suse.de>
6276
6277 PR tree-optimization/31715
6278 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
6279 sure to do computation on the offset in an appropriate
6280 signed type.
6281
6282 2007-04-27 Richard Sandiford <richard@codesourcery.com>
6283
6284 * reload.h (elimination_target_reg_p): Declare.
6285 * reload.c (find_reloads): Don't apply the reg_rtx move
6286 optimization if the SET_DEST satisfies elimination_target_reg_p.
6287 * reload1.c (elimination_target_reg_p): New function.
6288 (gen_reload): In the move/add2 fallback, make sure that op0
6289 does not overlap the destination register.
6290
6291 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6292
6293 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
6294 transform only GIMPLE_MODIFY_STMTs.
6295 * tree-complex.c (expand_complex_operations_1): Ditto.
6296 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
6297 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
6298 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
6299 branches.
6300 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6301 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
6302 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
6303 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
6304 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
6305 slpeel_add_loop_guard): Ditto.
6306 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6307 * lambda-code.c (perfect_nestify): Ditto.
6308 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
6309 before the first statement.
6310 * tree-optimize.c (execute_free_datastructures): Fix comments.
6311 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
6312 * tree-flow.h (disband_implicit_edges): Declaration removed.
6313 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
6314 branches.
6315 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
6316 without gotos.
6317 (disband_implicit_edges, has_label_p): Removed.
6318 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
6319 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
6320 branches.
6321 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
6322 side effects.
6323 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
6324 also for COND_EXPRs.
6325 * cfgexpand.c (label_rtx_for_bb): New function.
6326 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
6327 Use label_rtx_for_bb to find the labels.
6328 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
6329 last block. Detect fallthru edges.
6330
6331 2007-04-26 Ian Lance Taylor <iant@google.com>
6332
6333 PR target/28675
6334 * reload.c (find_reloads_subreg_address): If the address was valid
6335 in the original mode but not in the new mode, reload the whole
6336 address.
6337
6338 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6339
6340 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
6341 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
6342 (cleanup_control_expr_graph): Do not invalidate dominance info.
6343 Record altered blocks.
6344 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
6345 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
6346 cleanup_tree_cfg_bb): New functions.
6347 (remove_forwarder_block): Do not maintain the worklist of blocks.
6348 Record altered blocks.
6349 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
6350 not over whole cfg.
6351 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
6352 delete_unreachable_blocks if dominators are not available.
6353 * tree-inline.c (optimize_inline_calls): Free dominance information
6354 earlier.
6355 * tree-flow.h (remove_edge_and_dominated_blocks,
6356 cfgcleanup_altered_bbs): Altered.
6357 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
6358 blocks.
6359 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
6360 functions.
6361 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
6362 do not invalidate dominators.
6363
6364 2007-04-26 Anatoly Sokolov <aesok@post.ru>
6365
6366 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
6367 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
6368 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6369 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6370
6371 2007-04-26 Steve Ellcey <sje@cup.hp.com>
6372
6373 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
6374
6375 2007-04-26 Richard Guenther <rguenther@suse.de>
6376
6377 PR tree-optimization/31703
6378 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
6379 the right type for the target of the bittest.
6380
6381 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6382
6383 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
6384 ix86_sol10_return_in_memory.
6385
6386 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6387
6388 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
6389 variables.
6390
6391 2007-04-26 Jakub Jelinek <jakub@redhat.com>
6392
6393 PR c++/31598
6394 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
6395
6396 PR tree-optimization/30558
6397 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
6398 clear this_state.prev_try.
6399
6400 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6401 Mark Mitchell <mark@codesourcery.com>
6402
6403 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
6404 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
6405 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
6406
6407 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6408
6409 PR driver/31107
6410 * doc/invoke.texi (%:print-asm-header): Document.
6411 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
6412 and -ftarget-help.
6413 (static_spec_functions): Add print-asm-header.
6414 (main): Print a banner before the --target-help linker options.
6415 (print_asm_header_spec_function): New function.
6416
6417 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
6418
6419 PR target/31403
6420 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
6421 (movsf_ie): Likewise.
6422
6423 2007-04-25 Paolo Carlini <pcarlini@suse.de>
6424
6425 * doc/extend.texi ([Type Traits]): Adjust per N2255.
6426
6427 2007-04-25 Bob Wilson <bob.wilson@acm.org>
6428
6429 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
6430 for divide-by-zero.
6431 (__umodsi3, __modsi3): Likewise.
6432
6433 2007-04-25 Dirk Mueller <dmueller@suse.de>
6434
6435 * c-typeck.c (build_compound_expr): Annotate warning()
6436 call with OPT_Wunused_value.
6437 * tree-ssa.c (warn_uninit): Annotate warning with
6438 OPT_Wunintialized.
6439 * c-common.c (handle_sentinel_attribute): Annotate warning
6440 call with OPT_Wattributes.
6441
6442 2007-04-25 Thiemo Seufer <ths@mips.com>
6443
6444 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
6445 (mips16): Fix typo.
6446 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
6447 on to the assembler. Improve handling of -mno-mips16. Add handling
6448 of -mno-mips3d, -mno-dsp, -mno-dspr2.
6449 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
6450 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
6451 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
6452
6453 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
6454
6455 PR target/31680
6456 * config/i386/winnt.c (i386_pe_file_end): Strip only
6457 USER_LABEL_PREFIX when writing export name.
6458
6459 2007-04-25 Richard Sandiford <richard@codesourcery.com>
6460
6461 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
6462 sh/elf.h, vx-common.h and vxworks.h.
6463 * config/sh/sh.h: Include config/vxworks-dummy.h.
6464 (SUBTARGET_OVERRIDE_OPTIONS): Define.
6465 (OVERRIDE_OPTIONS): Use it.
6466 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
6467 (vxworks_picreg): New pattern.
6468 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
6469 VXWORKS_OS_CPP_BUILTINS.
6470 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
6471 to their VXWORKS_* equivalents.
6472 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
6473 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
6474 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
6475 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
6476 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
6477 -mrtp/-fPIC multilibs.
6478 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
6479 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
6480 (MULTILIB_OSDIRNAMES): Delete.
6481
6482 2007-04-25 Anatoly Sokolov <aesok@post.ru>
6483
6484 PR target/18989
6485 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
6486
6487 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
6488
6489 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
6490 rounding mode to be specified by the caller.
6491 (real_to_mpfr) Likewise.
6492 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
6493 include new arguments.
6494 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
6495
6496 2007-04-24 Ian Lance Taylor <iant@google.com>
6497
6498 PR tree-optimization/31605
6499 * tree-vrp.c (set_value_range): Check that min and max are not
6500 both overflow infinities.
6501 (set_value_range_to_value): New static function.
6502 (extract_range_from_binary_expr): Call set_value_range_to_value.
6503 (extract_range_from_cond_expr): Likewise.
6504 (extract_range_from_expr): Likewise.
6505 (extract_range_from_unary_expr): Likewise. Don't create a range
6506 which overflows on both sides.
6507 (vrp_meet): Check for a useless range.
6508 (vrp_visit_phi_node): If we see a constant which looks like an
6509 overflow infinity, turn off the TREE_OVERFLOW flag.
6510
6511 2007-04-24 Ian Lance Taylor <iant@google.com>
6512
6513 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
6514
6515 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
6516
6517 PR diagnostic/25923
6518 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
6519 diagnostic message is being built.
6520 * tree-pretty-print.c (dump_generic_node): Only write the
6521 formatted text into BUFFER's stream if we are not building a
6522 diagnostic message.
6523 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
6524 dump_generic_node.
6525 * Makefile.in (toplev.o): Depend on tree-pass.h.
6526
6527 2007-04-24 Ian Lance Taylor <iant@google.com>
6528
6529 PR tree-optimization/31602
6530 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
6531 conditionals in the copied loop header.
6532 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
6533 warnings if TREE_NO_WARNING is set.
6534 * doc/invoke.texi (Warning Options): Clarify that
6535 -Wstrict-overflow does not warn about loops.
6536
6537 2007-04-24 Janis Johnson <janis187@us.ibm.com>
6538
6539 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
6540 expand on the comment about _Decimal128 arguments and check the
6541 integer result of the modulus operation; for 64-bit ELF ABI, ensure
6542 that _Decimal128 argument uses even/odd register pair.
6543 (function_arg): Ditto.
6544
6545 2007-04-24 Hui-May Chang <hm.chang@apple.com>
6546
6547 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
6548 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
6549
6550 2007-04-24 Richard Guenther <rguenther@suse.de>
6551 Olga Golovanevsky <olga@il.ibm.com>
6552
6553 * fold-const.c (multiple_of_p): Check for bottom
6554 to be zero.
6555
6556 2007-04-24 Richard Henderson <rth@redhat.com>
6557
6558 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
6559 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
6560 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
6561 looking for non-zero bits shifted out. Avoid a recursive call
6562 when constructing the scalar.
6563 (__floatundisf): Likewise.
6564
6565 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
6566
6567 * dwarf2out.c (field_byte_offset): Move the existing logic
6568 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
6569 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
6570
6571 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6572
6573 PR target/31641
6574 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
6575 argument of 0 for memset.
6576 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
6577 unsigned shift instead of the signed variant.
6578
6579 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6580
6581 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
6582 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
6583 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
6584 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6585 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
6586 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
6587 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
6588 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
6589 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
6590 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
6591 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
6592 "mul<mode>3", "div<mode>3"): Insn definitions added.
6593 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
6594 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
6595 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
6596 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
6597 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
6598 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
6599 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
6600 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
6601 TARGET_FLOAT_FORMAT): Macro definitions removed.
6602 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
6603 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
6604 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
6605 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
6606 (s390_gen_rtx_const_DI): Function removed.
6607 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
6608
6609 2007-04-24 Richard Sandiford <richard@codesourcery.com>
6610
6611 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
6612 over an external ffs function.
6613
6614 2007-04-24 Chao-ying Fu <fu@mips.com>
6615 Richard Sandiford <richard@nildram.co.uk>
6616
6617 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
6618 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
6619 (smadd_widen_optab, umadd_widen_optab): Define.
6620 * optabs.c (init_optabs): Initialize smadd_widen_optab and
6621 umadd_widen_optab.
6622 * genopinit.c (optabs): Fill in smadd_widen_optab and
6623 umadd_widen_optab.
6624 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
6625 and umadd_widen_optab to implement multiply-add sequences.
6626 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
6627 (<u>maddsidi4): ...this. Extend condition to include
6628 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
6629 of operand 0 to "ka" and use the three-operand form of madd<u>
6630 for TARGET_DSPR2.
6631 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
6632 to define_expands.
6633 * config/mips/constraints.md (ka): New register constraint.
6634
6635 2007-04-24 Jan Hubicka <j@suse.cz>
6636
6637 Revert:
6638
6639 2007-04-23 Jan Hubicka <jh@suse.cz>
6640 * function.c (init_function_start): Don't init line number info.
6641 (expand_function_end): Update.
6642 (reset_block_changes, record_block_change, finalize_block_changes,
6643 check_block_change, free_block_changes): Kill.
6644 * function.h (reset_block_changes, record_block_change,
6645 finalize_block_changes, check_block_change, free_block_changes): Remove
6646 prototypes.
6647 (struct function): Remove ib_boundaries_block.
6648 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6649 Use curr_insn_locator to initialize locator.
6650 (emit_line_note): Remove.
6651 * cfgexpand.c (expand_gimple_cond_expr): Update.
6652 (construct_exit_block): Likewise.
6653 (tree_expand_cfg): Initialize/finalize locators.
6654 * expr.c (expand_expr_real): Update.
6655 * cfglayout.c (line_locators_locs, line_locators_lines,
6656 file_locators_locs, file_locators_files): Remove.
6657 (set_block_levels): Move to cfgexpand.c.
6658 (insn_locators_initialize): Remove.
6659 (pass_insn_locators_initialize): Remove.
6660 (locations_locators_locs, locations_locators_vals): New static vars.
6661 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6662 Likewise.
6663 (insn_locators_alloc, insn_locators_finalize,
6664 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6665 New functions.
6666 (locator_location): New.
6667 (locator_line, locator_file): Rewrite.
6668 * rtl.h (emit_line_note): Kill.
6669 (insn_locators_alloc, insn_locators_finalize,
6670 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6671 Declare.
6672 * tree-inline.c (initialize_cfun): Do not initialize
6673 ib_boundaries_block.
6674 * passes.c (pass_insn_locators_initialize): Remove.
6675
6676 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
6677
6678 * doc/invoke.texi: Removed leading '-' from option index entries.
6679
6680 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
6681
6682 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
6683 Use phi_nodes_ptr.
6684 (create_phi_node): Use set_phi_nodes.
6685 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
6686 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
6687 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
6688 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
6689 (bsi_start, bsi_last): Use bb_stmt_list.
6690 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
6691 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
6692 Traverse the statements using tsi iterator.
6693 * basic-block.h (struct basic_block_def): Fields stmt_list
6694 and phi_nodes moved to ...
6695 (struct tree_bb_info): ... new structure.
6696 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
6697 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
6698 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
6699 (tree_verify_flow_info): Verify that il.tree is not set for
6700 entry and exit block.
6701 (tree_split_block): Use set_bb_stmt_list.
6702
6703 2007-04-23 Mike Stump <mrs@apple.com>
6704
6705 * config/i386/i386.c (ix86_tune_features
6706 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
6707 nocona and core2.
6708
6709 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6710
6711 * config/i386/i386.md (prefix_extra): New attribute.
6712 (length): Add prefix_extra.
6713
6714 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
6715 (sse2_movntv2di): Likewise.
6716 (sse2_cvtps2dq): Likewise.
6717 (sse2_cvtpd2pi): Likewise.
6718 (sse2_cvttpd2pi): Likewise.
6719 (*sse2_cvtpd2ps): Likewise.
6720 (*add<mode>3): Likewise.
6721 (sse2_ssadd<mode>3): Likewise.
6722 (sse2_usadd<mode>3): Likewise.
6723 (*sub<mode>3): Likewise.
6724 (sse2_sssub<mode>3): Likewise.
6725 (sse2_ussub<mode>3): Likewise.
6726 (*mulv8hi3): Likewise.
6727 (*smulv8hi3_highpart): Likewise.
6728 (*umulv8hi3_highpart): Likewise.
6729 (sse2_umulv2siv2di3): Likewise.
6730 (sse2_pmaddwd): Likewise.
6731 (ashr<mode>3): Likewise.
6732 (lshr<mode>3): Likewise.
6733 (ashl<mode>3): Likewise.
6734 (sse2_ashlti3): Likewise.
6735 (sse2_lshrti3): Likewise.
6736 (*umaxv16qi3): Likewise.
6737 (*smaxv8hi3): Likewise.
6738 (*uminv16qi3): Likewise.
6739 (*sminv8hi3): Likewise.
6740 (sse2_eq<mode>3): Likewise.
6741 (sse2_gt<mode>3): Likewise.
6742 (*and<mode>3): Likewise.
6743 (sse2_nand<mode>3): Likewise.
6744 (*ior<mode>3): Likewise.
6745 (*xor<mode>3): Likewise.
6746 (sse2_packsswb): Likewise.
6747 (sse2_packssdw): Likewise.
6748 (sse2_packuswb): Likewise.
6749 (sse2_punpckhbw): Likewise.
6750 (sse2_punpcklbw): Likewise.
6751 (sse2_punpckhwd): Likewise.
6752 (sse2_punpcklwd): Likewise.
6753 (sse2_punpckhdq): Likewise.
6754 (sse2_punpckldq): Likewise.
6755 (sse2_punpckhqdq): Likewise.
6756 (sse2_punpcklqdq): Likewise.
6757 (*sse2_pinsrw): Likewise.
6758 (*sse2_pextrw): Likewise.
6759 (sse2_pshufd_1): Likewise.
6760 (sse2_uavgv16qi3): Likewise.
6761 (sse2_uavgv8hi3): Likewise.
6762 (sse2_psadbw): Likewise.
6763 (sse2_pmovmskb): Likewise.
6764 (*sse2_maskmovdqu): Likewise.
6765 (*sse2_maskmovdqu_rex64): Likewise.
6766 (sse4a_extrqi): Likewise.
6767 (sse4a_extrq): Likewise.
6768 (sse3_lddqu): Set prefix_rep.
6769 (sse3_addsubv4sf3): Likewise.
6770 (sse3_haddv4sf3): Likewise.
6771 (sse3_hsubv4sf3): Likewise.
6772 (sse_cvtss2si): Likewise.
6773 (sse_cvtss2si_2): Likewise.
6774 (sse_cvtss2siq): Likewise.
6775 (sse_cvtss2siq_2): Likewise.
6776 (sse_cvttss2si): Likewise.
6777 (sse_cvttss2siq): Likewise.
6778 (sse2_cvttps2dq): Likewise.
6779 (sse3_movshdup): Likewise.
6780 (sse3_movsldup): Likewise.
6781 (sse2_cvtsd2si): Likewise.
6782 (sse2_cvtsd2si_2): Likewise.
6783 (sse2_cvtsd2siq): Likewise.
6784 (sse2_cvtsd2siq_2): Likewise.
6785 (sse2_cvttsd2si): Likewise.
6786 (sse2_cvttsd2siq): Likewise.
6787 (*sse2_cvtpd2dq): Likewise.
6788 (*sse2_cvttpd2dq): Likewise.
6789 (sse2_pshuflw_1): Likewise.
6790 (sse2_pshufhw_1): Likewise.
6791 (sse4a_insertqi): Likewise.
6792 (sse4a_insertq): Likewise.
6793 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
6794 (ssse3_phadddv4si3): Likewise.
6795 (ssse3_phaddswv8hi3): Likewise.
6796 (ssse3_phsubwv8hi3): Likewise.
6797 (ssse3_phsubdv4si3): Likewise.
6798 (ssse3_phsubswv8hi3): Likewise.
6799 (ssse3_pmaddubswv8hi3): Likewise.
6800 (ssse3_pmulhrswv8hi3): Likewise.
6801 (ssse3_pshufbv16qi3): Likewise.
6802 (ssse3_psign<mode>3): Likewise.
6803 (ssse3_palignrti): Likewise.
6804 (abs<mode>2): Likewise.
6805 (ssse3_phaddwv4hi3): Set prefix_extra.
6806 (ssse3_phadddv2si3): Likewise.
6807 (ssse3_phaddswv4hi3): Likewise.
6808 (ssse3_phsubwv4hi3): Likewise.
6809 (ssse3_phsubdv2si3): Likewise.
6810 (ssse3_phsubswv4hi3): Likewise.
6811 (ssse3_pmaddubswv4hi3): Likewise.
6812 (ssse3_pmulhrswv4hi3): Likewise.
6813 (ssse3_pshufbv8qi3): Likewise.
6814 (ssse3_psign<mode>3): Likewise.
6815 (ssse3_palignrdi): Likewise.
6816 (abs<mode>2): Likewise.
6817 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
6818 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
6819 (sse2_pmovmskb): Set mode to SI instead of V2DF.
6820
6821 2007-04-23 Nick Clifton <nickc@redhat.com>
6822
6823 * params.def: Fix formatting of emacs local variables.
6824
6825 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6826
6827 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
6828 move if inter-unit move isn't allowed.
6829 Don't split moving the first element of V2DI to DI to inter-unit
6830 move if inter-unit move isn't allowed.
6831
6832 2007-04-23 Richard Guenther <rguenther@suse.de>
6833
6834 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
6835 and CDI_POST_DOMINATORS separately.
6836
6837 2007-04-23 Nick Clifton <nickc@redhat.com>
6838
6839 * c.opt (Wformat-contains-nul): Add warning attribute.
6840
6841 2007-04-23 Jan Hubicka <jh@suse.cz>
6842
6843 * function.c (init_function_start): Don't init line number info.
6844 (expand_function_end): Update.
6845 (reset_block_changes, record_block_change, finalize_block_changes,
6846 check_block_change, free_block_changes): Kill.
6847 * function.h (reset_block_changes, record_block_change,
6848 finalize_block_changes, check_block_change, free_block_changes): Remove
6849 prototypes.
6850 (struct function): Remove ib_boundaries_block.
6851 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6852 Use curr_insn_locator to initialize locator.
6853 (emit_line_note): Remove.
6854 * cfgexpand.c (expand_gimple_cond_expr): Update.
6855 (construct_exit_block): Likewise.
6856 (tree_expand_cfg): Initialize/finalize locators.
6857 * expr.c (expand_expr_real): Update.
6858 * cfglayout.c (line_locators_locs, line_locators_lines,
6859 file_locators_locs, file_locators_files): Remove.
6860 (set_block_levels): Move to cfgexpand.c.
6861 (insn_locators_initialize): Remove.
6862 (pass_insn_locators_initialize): Remove.
6863 (locations_locators_locs, locations_locators_vals): New static vars.
6864 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6865 Likewise.
6866 (insn_locators_alloc, insn_locators_finalize,
6867 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6868 New functions.
6869 (locator_location): New.
6870 (locator_line, locator_file): Rewrite.
6871 * rtl.h (emit_line_note): Kill.
6872 (insn_locators_alloc, insn_locators_finalize,
6873 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6874 Declare.
6875 * tree-inline.c (initialize_cfun): Do not initialize
6876 ib_boundaries_block.
6877 * passes.c (pass_insn_locators_initialize): Remove.
6878
6879 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
6880
6881 PR middle-end/31448
6882 * expr.c (reduce_to_bit_field_precision): Handle
6883 CONST_INT rtx's.
6884
6885 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
6886
6887 PR tree-optimization/24659
6888 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
6889 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
6890 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
6891 * genopinit.c (optabs): Rename vec_pack_mod_optab
6892 to vec_pack_trunc_optab.
6893 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
6894 early for scalar floating point operands for NOP_EXPR.
6895 (vectorizable_type_promotion): Ditto.
6896 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
6897 vec_pack_trunc_optab.
6898 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
6899
6900 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
6901 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
6902 Rename from VEC_PACK_MOD_EXPR.
6903 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
6904 * expr.c (expand_expr_real_1): Ditto.
6905 * tree-inline.c (estimate_num_insns_1): Ditto.
6906 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
6907
6908 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
6909 (vec_unpacks_lo_v4sf): Ditto.
6910 (vec_pack_trunc_v2df): Ditto.
6911 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
6912 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6913 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
6914
6915 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
6916 vec_pack_mod_v8hi.
6917 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6918
6919 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
6920 Rename from VEC_PACK_MOD_EXPR. This expression also represent
6921 packing of floating point operands.
6922 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
6923 represent unpacking of floating point operands.
6924 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
6925 [vec_unpacks_hi]: Ditto.
6926 [vec_unpacks_lo]: Ditto.
6927
6928 2007-04-22 Jan Hubicka <jh@suse.cz>
6929
6930 * final.c (rest_of_handle_final): Call
6931 targetm.asm_out.constructor/targetm.asm_out.destructor
6932 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
6933 proper priority via decl_*_priority_insert.
6934 * c-common.c (c_expand_body): Likewise.
6935
6936 2007-04-22 Richard Guenther <rguenther@suse.de>
6937
6938 PR tree-optimization/29789
6939 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
6940 (rewrite_reciprocal): New helper split out from
6941 determine_invariantness_stmt.
6942 (rewrite_bittest): Likewise.
6943 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
6944 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
6945 is not.
6946
6947 2007-04-22 Revital Eres <eres@il.ibm.com>
6948
6949 * loop-unroll.c (var_to_expand): New field to support also
6950 insns of the form x = something + x.
6951 (analyze_insn_to_expand_var): Use it.
6952 (expand_var_during_unrolling): Likewise.
6953
6954 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
6955
6956 * predict.c: Include pointer-set.h.
6957 (bb_predictions): New variable.
6958 (tree_predicted_by_p, tree_predict_edge,
6959 remove_predictions_associated_with_edge): Use bb_predictions map
6960 instead of bb->predictions.
6961 (clear_bb_predictions, assert_is_empty): New functions.
6962 (combine_predictions_for_bb): Use bb_predictions map. Call
6963 clear_bb_predictions.
6964 (tree_estimate_probability): Create and free bb_predictions map.
6965 * Makefile.in (predict.o): Add pointer-set.h dependency.
6966 * basic-block.h (struct basic_block_def): Remove predictions
6967 field.
6968 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
6969
6970 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
6971
6972 PR target/31480
6973 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
6974 is null.
6975
6976 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6977
6978 * timevar.c (timevar_print): Change reference of --disable-checking to
6979 --enable-checking=release. Also warn if assert checking is disabled.
6980
6981 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6982
6983 PR C/30265
6984 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
6985 decl as addressable if the compound literal was marked as
6986 addressable.
6987 Mark the decl as a gimple register if it is a complex or
6988 vector decl and does not live in memory.
6989
6990 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6991
6992 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
6993 (GENERIC_NEXT): New function macro.
6994 (PHI_CHAIN): Use phi_node's new chain variable.
6995 (tree_phi_node): Change tree_common to tree_base
6996 and add the chain field.
6997 * tree-phinodes.c (make_phi_node): Don't set
6998 TREE_TYPE on the new node.
6999 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
7000 instead of checking GIMPLE_TUPLE_P in chain_next.
7001 * tree-vect-transform.c
7002 (get_initial_def_for_induction): Look at
7003 PHI_RESULT_TREE for the type of the phi node.
7004 (update_vuses_to_preheader): Use PHI_CHAIN
7005 instead of TREE_CHAIN on the phi node.
7006 * tree-ssa-structalias.c (compute_points_to_sets):
7007 Likewise.
7008 (ipa_pta_execute): Likewise.
7009
7010 2007-04-21 Richard Guenther <rguenther@suse.de>
7011
7012 PR middle-end/31136
7013 * fold-const.c (fold_unary): Call fold_convert_const on the
7014 original tree.
7015
7016 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
7017
7018 * gcse.c (store_killed_in_insn): Handle PARALLELs.
7019 (store_killed_in_pat): New.
7020
7021 2007-04-20 Richard Henderson <rth@redhat.com>
7022
7023 PR target/31628
7024 * config/i386/i386.c (type_has_variadic_args_p): Look for any
7025 TREE_LIST with a void_type_node value, not void_list_node exactly.
7026
7027 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
7028
7029 * doc/standards.texi: Re-arrange into language-specific
7030 subsections. Add a C++ section, documenting which standards we
7031 support.
7032
7033 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7034
7035 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
7036 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
7037
7038 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
7039
7040 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
7041 ecrti.o and crtbegin.o.
7042 (LIB_DEFAULT_SPEC): Include -lc.
7043 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
7044
7045 2007-04-20 Richard Henderson <rth@redhat.com>
7046
7047 PR target/28623
7048 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
7049 argument; update all callers.
7050 (get_unaligned_offset): New.
7051 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
7052 get_unaligned_address, just pass on the address directly.
7053 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
7054 the subreg in the helper patterns.
7055 (unaligned_extendqidi_le): Use get_unaligned_offset.
7056 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
7057 (unaligned_extendhidi_be): Likewise.
7058 (unaligned_extendhidi): Tidy.
7059 * config/alpha/alpha-protos.h: Update.
7060
7061 2007-04-20 Richard Henderson <rth@redhat.com>
7062
7063 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
7064 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
7065 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
7066 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7067 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7068 (CPP_SPEC): Don't include %(cpp_subtarget).
7069 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
7070 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7071 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
7072
7073 2007-04-20 Jakub Jelinek <jakub@redhat.com>
7074
7075 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
7076 for __builtin_ia32_cmpordss.
7077
7078 PR tree-optimization/31632
7079 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
7080 and arg1 for optimizations of comparison against min/max values.
7081 Fold arg0 to arg1's type for optimizations of comparison against
7082 min+1 and max-1 values.
7083
7084 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
7085
7086 * reload.c (combine_reloads): When trying to use a dying register,
7087 check whether it's uninitialized and don't use if so.
7088
7089 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
7090
7091 * fold-const.c: Remove prototypes for native_encode_expr and
7092 native_interpret_expr.
7093 (native_encode_expr): Make non-static.
7094 (native_interpret_expr): Likewise.
7095 * tree.h: Add prototypes for the above.
7096
7097 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7098
7099 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
7100 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
7101 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
7102 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
7103 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
7104 Add length attributes.
7105
7106 2007-04-19 Janis Johnson <janis187@us.ibm.com>
7107
7108 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
7109 not that it is 1.
7110
7111 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7112 __STDC_WANT_DEC_FP__.
7113
7114 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7115
7116 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
7117 for long double compatibility.
7118 * configure: Regenerate.
7119
7120 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
7121
7122 PR rtl-optimization/29841
7123 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
7124 trap instructions.
7125 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
7126 that may cause control flow transfer from being moved.
7127
7128 2007-04-18 Jan Hubicka <jh@suse.cz>
7129
7130 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
7131 types.
7132
7133 2007-04-18 Eric Christopher <echristo@apple.com>
7134
7135 * config/rs6000/darwin.md (load_macho_picbase): Use link register
7136 only. Update operands.
7137 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
7138 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7139 link register to pic register.
7140
7141 2007-04-18 Dirk Mueller <dmueller@suse.de>
7142
7143 PR diagnostic/31227
7144 * tree-vrp.c (search_for_addr_array): New.
7145 (check_array_bounds): Suppress warning about
7146 address taken of array refs if its not de-referenced.
7147
7148 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7149
7150 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
7151 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
7152
7153 * tree-vectorizer.h (NITERS_KNOWN_P): New.
7154 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
7155 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
7156
7157 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
7158 dump print.
7159 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
7160 print message.
7161 (vect_analyze_scalar_cycles): Fix indentation.
7162 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
7163 (vect_mark_relevant): Include phis in relevance analysis.
7164
7165 * tree-vect-transform.c (vect_transform_loop): Add an assert.
7166
7167 2007-04-18 Anatoly Sokolov <aesok@post.ru>
7168
7169 * config/avr/avr.c (ptrreg_to_str): Replace error() with
7170 output_operand_lossage().
7171
7172 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7173
7174 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
7175 the unused code for reduction without adjust-in-epilog to simplify the
7176 function.
7177
7178 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
7179
7180 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
7181 (S390_TDC_NEGATIVE_ZERO): New constant.
7182 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
7183 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
7184 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
7185 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
7186 (S390_TDC_POSITIVE_INFINITY): New constant.
7187 (S390_TDC_NEGATIVE_INFINITY): New constant.
7188 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
7189 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
7190 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
7191 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
7192 (S390_TDC_INFINITY): New constant.
7193 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
7194 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
7195 optimization for UNSPEC_CCZ_TO_INT.
7196 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
7197 ("*ccz_to_int"): New insn.
7198 ("isinf<mode>2"): New insn.
7199 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
7200 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
7201 (UNSPEC_CCZ_TO_INT): New constant.
7202
7203 2007-04-18 Richard Guenther <rguenther@suse.de>
7204
7205 PR tree-optimization/19431
7206 PR tree-optimization/21463
7207 * tree-pass.h (pass_phiprop): Declare.
7208 * passes.c (init_optimization_passes): New phiprop pass.
7209 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
7210 (phivn_valid_p): New helper function.
7211 (phiprop_insert_phi): Likewise.
7212 (propagate_with_phi): Likewise.
7213 (tree_ssa_phiprop): New propagator propagating loads
7214 through phi nodes if profitable.
7215
7216 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7217
7218 * tree-vect-analyze.c (process_use): New function.
7219 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
7220 Check phis in all bbs.
7221 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
7222 assert.
7223
7224 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
7225
7226 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
7227 we use REG_EQUAL.
7228
7229 2007-04-17 Anatoly Sokolov <aesok@post.ru>
7230
7231 PR target/30483
7232 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
7233 error().
7234
7235 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
7236
7237 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
7238 on "0".
7239 (sse_vmmulv4sf3): Likewise.
7240 (sse2_vmaddv2df3): Likewise.
7241 (sse2_vmmulv2df3): Likewise.
7242
7243 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
7244
7245 PR rtl-optimization/31360
7246 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
7247 (target_reg_cost): New.
7248 (init_set_costs): Initialize target_reg_cost. Add comments
7249 regarding the rationale of the costs.
7250 (global_cost_for_size): Renamed to...
7251 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
7252 of register pressure.
7253 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
7254 estimate_reg_pressure_cost. Add number of ivs.
7255 (determine_set_costs): Dump target_reg_cost.
7256 * loop-invariant.c (gain_for_invariant): Use
7257 estimate_reg_pressure_cost. Removed n_inv_uses argument.
7258 (best_gain_for_invariant, find_invariants_to_move): Remove
7259 n_inv_uses.
7260 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
7261 (target_reg_cost): Declare.
7262 (global_cost_for_size): Declaration removed.
7263 (estimate_reg_pressure_cost): Declare.
7264
7265 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
7266
7267 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
7268 regnos into even/odd register pairs.
7269 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
7270 TDmode similar to the other floating point modes.
7271 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
7272 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
7273 define_expand's.
7274 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
7275 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
7276 (movdd_hardfloat64): Use TARGET_MFPGPR.
7277
7278 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
7279
7280 * reload1.c (delete_output_reload): Don't count output in n_inherited.
7281
7282 Revert
7283 2005-01-05 Richard Henderson <rth@redhat.com>
7284 PR rtl-opt/10692
7285 * reload1.c (do_input_reload): Restrict the optimization deleteing
7286 a previous output reload to RELOAD_FOR_INPUT.
7287
7288 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
7289
7290 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
7291 induc_vec_info_type.
7292 (vectorizable_induction): New function declaration.
7293 * tree-vect-transform.c (get_initial_def_for_induction): No need to
7294 check if already vectorized. Find first place in BB where new stmts
7295 can be inserted. Takes only one argument.
7296 (vectorizable_induction): New function.
7297 (vect_transform_stmt): Add case for induc_vec_info_type to call
7298 vectorizable_induction.
7299 (vect_transform_loop): Consider phis for vectorization.
7300 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
7301 condition.
7302 (analyze_operations): Call vectorizable_induction when analyzing phis.
7303 Fix comment.
7304 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
7305 (vect_mark_relevant): Include phis in relevance analysis.
7306 (vect_mark_stmts_to_be_vectorize): Likewise.
7307 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
7308
7309 2007-04-16 Lawrence Crowl <crowl@google.com>
7310
7311 * doc/invoke.texi (Debugging Options): Add documentation for the
7312 -femit-struct-debug options -femit-struct-debug-baseonly,
7313 -femit-struct-debug-reduced, and
7314 -femit-struct-debug-detailed[=...].
7315
7316 * c-opts.c (c_common_handle_option): Add
7317 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
7318 and OPT_femit_struct_debug_detailed_.
7319 * c.opt: Add specifications for
7320 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
7321 and -femit-struct-debug-detailed[=...].
7322 * opts.c (set_struct_debug_option): Parse the
7323 -femit-struct-debug-... options.
7324 * opts.c (matches_main_base, main_input_basename,
7325 main_input_baselength, base_of_path, matches_main_base): Add
7326 variables and functions to compare header base name to compilation
7327 unit base name.
7328 * opts.c (should_emit_struct_debug): Add to determine to emit a
7329 structure based on the option.
7330 (dump_struct_debug) Also disabled function to debug this
7331 function.
7332 * opts.c (handle_options): Save the base name of the
7333 compilation unit.
7334
7335 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
7336 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
7337 This hook indicates if a type is generic. Set it by default
7338 to "never generic".
7339 * langhooks.h (struct lang_hooks_for_types): Add a new hook
7340 to determine if a struct type is generic or not.
7341 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
7342 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
7343 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
7344 with live C++ hook.
7345
7346 * flags.h (enum debug_info_usage): Add an enumeration to describe
7347 a program's use of a structure type.
7348 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
7349 to indicate the program's usage of the type. Filter structs based
7350 on the -femit-struct-debug-... specification.
7351 (gen_type_die): Split into two routines, gen_type_die and
7352 gen_type_die_with_usage. gen_type_die is now a wrapper
7353 that assumes direct usage.
7354 (gen_type_die_with_usage): Replace calls to gen_type_die
7355 with gen_type_die_with_usage adding the program usage of
7356 the referenced type.
7357 (dwarf2out_imported_module_or_decl): Suppress struct debug
7358 information using should_emit_struct_debug when appropriate.
7359
7360 2007-04-16 Ian Lance Taylor <iant@google.com>
7361
7362 PR tree-optimization/31522
7363 * tree-vrp.c (vr_phi_edge_counts): New static variable.
7364 (vrp_initialize): Allocate vr_phi_edge_counts.
7365 (vrp_visit_phi_node): Don't push to infinity if we saw a new
7366 executable edge. Drop test for all constants.
7367 (vrp_finalize): Free vrp_phi_edge_counts.
7368
7369 * doc/cpp.texi (Common Predefined Macros): Clarify description of
7370 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7371
7372 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
7373 predecessors at head rather than tail.
7374
7375 2007-04-16 Matthias Klose <doko@debian.org>
7376
7377 * config/alpha/linux.h (CPP_SPEC): Define.
7378 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
7379
7380 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
7381
7382 * function.h: Remove sequence_stack extern declaration.
7383
7384 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7385
7386 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
7387 TARGET_FIDOA.
7388 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
7389 defined.
7390
7391 2007-04-16 Anatoly Sokolov <aesok@post.ru>
7392
7393 * config/avr/avr.c (avr_arch_types): Rearranging array.
7394 (enum avr_arch): Add.
7395 (avr_mcu_types): Use avr_arch enumeration constants instead of
7396 numbers.
7397 * config/avr/avr.h (LINK_SPEC): Simplify.
7398
7399 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7400
7401 * config/m68k/m68k.c (m68k_libcall_value,
7402 m68k_function_value): Use macros for register names more.
7403
7404 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
7405 instead.
7406 (M68K_REGNAME): Use A6_REG.
7407 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
7408
7409 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7410
7411 PR middle-end/28071
7412 * sched-int.h (struct deps): Split field 'pending_lists_length' into
7413 'pending_read_list_length' and 'pending_write_list_length'. Update
7414 comment.
7415 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
7416 to handle two length counters instead of one. Update all uses.
7417 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
7418 two length counters instead of one.
7419 * sched-rgn.c (propagate_deps): Update to handle two length counters
7420 instead of one.
7421
7422 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
7423
7424 PR target/31582
7425 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
7426 copy of source, pass it to ix86_expand_vector_set and return
7427 it as target.
7428
7429 2007-04-16 David Ung <davidu@mips.com>
7430 Joseph Myers <joseph@codesourcery.com>
7431
7432 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
7433 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
7434 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
7435 Add 74K processor information.
7436 * config/mips/mips.md: Include 74k.md.
7437 (cpu): Add 74kc,74kf,74kx.
7438 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
7439 * config/mips/74k.md: New.
7440 * doc/invoke.texi (MIPS Options): Document 74K support.
7441
7442 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
7443
7444 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
7445 vectorizable_* functions.
7446 * tree-vect-transform.c (vectorizable_call): Add check for
7447 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
7448 (vectorizable_store): likewise.
7449 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
7450 Add comments.
7451 (vectorizable_operation, vectorizable_type_demotion): Likewise.
7452 (vectorizable_type_promotion, vectorizable_load): Likewise.
7453 (vectorizable_live_operation, vectorizable_condition): Likewise.
7454 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
7455 STMT_VINFO_LIVE_P.
7456 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
7457
7458 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7459
7460 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
7461 register numbers more.
7462 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
7463 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
7464 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
7465 FUNCTION_VALUE_REGNO_P): Likewise.
7466 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
7467 STATIC_CHAIN_REGNUM): Likewise.
7468 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
7469 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
7470 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
7471 * config/m68k/m68k.md (FP_REG): New.
7472
7473 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7474
7475 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
7476 alignment on fido.
7477
7478 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7479
7480 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
7481 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
7482 comment typos.
7483
7484 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7485
7486 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
7487 cold loops.
7488
7489 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
7490
7491 PR c/31520
7492 * c-decl.c (finish_decl): Grab the type of the decl after the call
7493 to store_init_value.
7494
7495 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
7496
7497 * common.opt (fforward-propagate): Fix "Optimization" annotation.
7498
7499 2007-04-14 Jakub Jelinek <jakub@redhat.com>
7500
7501 PR c++/25874
7502 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
7503 post dominators and cleanup cfg before returning.
7504
7505 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
7506
7507 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
7508 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
7509
7510 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
7511
7512 * config.gcc: Recognize fido.
7513 * config/m68k/m68k-devices.def (fidoa): New.
7514 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
7515 __mfido__.
7516 (FL_FIDOA, TARGET_FIDOA): New.
7517 * config/m68k/m68k.opt (mfidoa): New.
7518
7519 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7520
7521 PR middle-end/31322
7522 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
7523 when a personality function is used.
7524
7525 2007-04-13 Bob Wilson <bob.wilson@acm.org>
7526
7527 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
7528
7529 2007-04-13 Mike Stump <mrs@apple.com>
7530
7531 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
7532 we can...
7533 * config/darwin.opt (fapple-kext): Make C++ only.
7534 * config/darwin.c (darwin_override_options): Remove code to ensure
7535 -fapple-kext is given for C++ only.
7536
7537 2007-04-13 Richard Sandiford <richard@codesourcery.com>
7538
7539 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
7540 * config/mips/mips.c (override_options): Call
7541 SUBTARGET_OVERRIDE_OPTIONS, if defined.
7542
7543 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7544
7545 * config/i386/i386.opt (msvr3-shlib): Removed.
7546
7547 * doc/invoke.texi: Remove -msvr3-shlib.
7548
7549 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7550
7551 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
7552 with "popcnt" instruction.
7553
7554 2007-04-13 Richard Guenther <rguenther@suse.de>
7555
7556 PR tree-optimization/21258
7557 * tree-vrp.c (compare_case_labels): New helper.
7558 (find_switch_asserts): New function.
7559 (find_assert_locations): Call it for SWITCH_EXPRs.
7560
7561 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
7562
7563 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
7564 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
7565 check is now implied in X87_FLOAT_MODE_P.
7566 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7567 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7568 (fix_trunc<mode>_i386_fisttp): Ditto.
7569 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7570 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7571 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7572 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7573 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7574 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7575 (unnamed_splitters): Ditto.
7576 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
7577 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
7578 FIRST_SSE_REG for local functions when SSE math is enabled or
7579 for functions with sseregparm attribute.
7580 (standard_80387_constant_p): Return -1 if mode is not
7581 X87_FLOAT_MODE_P.
7582 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
7583 (ix86_expand_compare): Ditto.
7584 (ix86_expand_carry_flag_compare): Ditto.
7585 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
7586 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
7587 DECIMAL_FLOAT_MODE_P.
7588 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
7589 of SCALAR_FLOAT_MODE_P.
7590 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
7591 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
7592 checks before FLOAT_MODE_P.
7593 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
7594 before FLOAT_MODE_P.
7595 [DIV]: Ditto.
7596 [NEG]: Ditto.
7597 [ABS]: Ditto.
7598 [SQRT]: Ditto.
7599 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
7600
7601 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
7602 Charles Wilson <libtool@cwilson.fastmail.fm>
7603
7604 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
7605 (libgcc.mvars): Don't depend on them.
7606 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
7607 * exec-tool.in: New.
7608
7609 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
7610
7611 * doc/invoke.text (--help): Document --help=common.
7612
7613 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
7614
7615 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
7616
7617 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7618
7619 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
7620 * genemit.c (main): Emit #include "integrate.h".
7621 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
7622 (LOADGP_RTP): New mips_loadgp_style.
7623 * config/mips/mips.h: Include config/vxworks-dummy.h.
7624 (TARGET_RTP_PIC): New macro.
7625 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
7626 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
7627 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
7628 for TARGET_RTP_PIC.
7629 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
7630 -mvxworks-pic when using -mrtp and a PIC option.
7631 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
7632 for RTP PIC.
7633 (mips_symbolic_constant_p, mips_symbolic_address_p)
7634 (mips_symbol_insns): Handle SYMBOL_HALF.
7635 (override_options): Warn about -G and -mrtp being used together.
7636 Initialize mips_lo_relocs[SYMBOL_HALF].
7637 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
7638 (mips_emit_loadgp): Handle LOADGP_RTP.
7639 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
7640 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
7641 (tablejump): Handle function-relative case table entries if
7642 TARGET_RTP_PIC.
7643 * config/mips/predicates.md (symbol_ref_operand): New predicate.
7644
7645 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7646
7647 * config/mips/mips.md (load_call<mode>): Allow any general register.
7648 destination.
7649 (sibcall_value_internal, sibcall_value_multiple_internal)
7650 (call_value_internal, call_value_split, call_value_multiple_internal)
7651 (call_value_multiple_split): Remove constraints from operand 0.
7652
7653 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7654
7655 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
7656 rather than loadgp_noshared.
7657 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
7658 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
7659 gen_loadgp.
7660 * config/mips/mips.md (loadgp): Rename to...
7661 (loadgp_newabi): ...this.
7662 (loadgp_noshared): Rename to...
7663 (loadgp_absolute): ...this.
7664
7665 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7666
7667 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
7668 false for locally-binding symbols.
7669 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
7670
7671 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7672
7673 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
7674 (SYMBOL_GOT_PAGE_OFST): ...this.
7675 (SYMBOL_GOT_GLOBAL): Rename to...
7676 (SYMBOL_GOT_DISP): ...this.
7677 (SYMBOL_GOTOFF_GLOBAL): Rename to...
7678 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
7679 * config/mips/mips.c (mips_global_symbol_p): New function.
7680 (mips_symbol_binds_local_p): Likewise.
7681 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
7682 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
7683 and mips_symbol_binds_local_p.
7684 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
7685 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
7686 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
7687 SYMBOL_GOTOFF_DISP.
7688 (mips_ok_for_lazy_binding_p): New function.
7689 (mips_load_call_address, mips_expand_call): Use it.
7690 (mips_dangerous_for_la25_p): Likewise.
7691 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
7692 (*got_disp<mode>): Use got_disp_operand instead of
7693 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
7694 SYMBOL_GOTOFF_GLOBAL.
7695 (*got_page<mode>): Use got_page_ofst_operand instead of
7696 local_got_operand.
7697 * config/mips/predicates.md (const_call_insn_operand): Use
7698 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
7699 (global_got_operand): Rename to...
7700 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
7701 SYMBOL_GOT_GLOBAL.
7702 (local_got_operand): Rename to...
7703 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
7704 of SYMBOL_GOT_LOCAL.
7705
7706 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7707
7708 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
7709 TARGET_CALL_CLOBBERED_GP.
7710 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7711 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
7712 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
7713 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
7714 of TARGET_ABICALLS && !TARGET_NEWABI.
7715 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7716 * config/mips/mips.c (mips_load_call_address): Check
7717 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7718 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7719 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7720 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
7721 TARGET_ABICALLS && TARGET_NEWABI.
7722 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
7723 TARGET_ABICALLS.
7724 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
7725 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
7726 TARGET_ABICALLS && TARGET_NEWABI.
7727 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
7728 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
7729 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
7730 whether indirect calls must use $25.
7731 (mips_extra_live_on_entry): Check TARGET_GOT instead of
7732 TARGET_ABICALLS.
7733 * config/mips/mips.md (jal_macro): Check flag_pic and
7734 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
7735 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
7736 instead of TARGET_ABICALLS.
7737 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
7738 TARGET_ABICALLS && TARGET_OLDABI.
7739 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7740 (sibcall): In the comment above the define_insn, mention
7741 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
7742 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
7743 instead of TARGET_ABICALLS.
7744
7745 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
7746
7747 * doc/md.texi (Blackfin family constraints): Document PA and PB.
7748 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
7749 (MACFLAGS_MATCH_P): New macro.
7750 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
7751 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
7752 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
7753 the other MACFLAG constants.
7754 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
7755 (flag_machi): Tighten constraints. Renumber some of the operands.
7756 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
7757 output template.
7758 (flag_machi_parts_acconly): New pattern.
7759 (flag_macinithi): Tighten constraints. Allow any accumulator to be
7760 used.
7761 (flag_macinit1hi): Tighten constraints.
7762 (flag_mul_macv2hi_parts_acconly): New pattern.
7763
7764 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
7765 Use a more efficient implementation.
7766 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
7767 inline sequences when not optimizing for size.
7768
7769 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
7770 movhi_high2low): Delete, merge functionality into...
7771 (packv2hi): ... this pattern.
7772
7773 2007-02-11 Jie Zhang <jie.zhang@analog.com>
7774 * config/bfin/bfin.opt (msim): New option.
7775 (mcpu=): New option.
7776 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
7777 (bfin_cpu_t): Typedef of enum bfin_cpu.
7778 (bfin_cpu_type): New declaration.
7779 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
7780 -msim and -mcpu= options.
7781 (LIB_SPEC): Likewise.
7782 * config/bfin/bfin.c (bfin_cpu_type): Define.
7783 (bfin_handle_option): Handle -mcpu= option.
7784 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
7785 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
7786 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
7787
7788 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7789
7790 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
7791 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
7792 (powerpc-wrs-vxworksae): Use ${tm_file}.
7793 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
7794 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
7795 * config/i386/vx-common.h: New file.
7796
7797 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7798
7799 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
7800 of crt0.o%s.
7801
7802 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
7803
7804 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
7805 ldxtr.
7806
7807 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
7808
7809 PR c++/31078
7810 PR c++/31103
7811 * c-common.c (c_build_qualified_type): Set canonical type
7812 appropriately.
7813
7814 2007-04-12 Richard Guenther <rguenther@suse.de>
7815
7816 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
7817 lower bound and element size if lower bound is not zero
7818 or either of the ARRAY_REF operands is set.
7819
7820 2007-04-12 Richard Guenther <rguenther@suse.de>
7821
7822 PR tree-optimization/24689
7823 PR tree-optimization/31307
7824 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
7825 indices by value.
7826 * gimplify.c (canonicalize_addr_expr): To be consistent with
7827 gimplify_compound_lval only set operands two and three of
7828 ARRAY_REFs if they are not gimple_min_invariant. This makes
7829 it never at this place.
7830 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
7831
7832 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7833
7834 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
7835 null before emitting a .nsubspa directive.
7836
7837 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7838
7839 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
7840 need_to_partition_p if there are no memory statements in the
7841 function.
7842
7843 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7844
7845 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
7846 (gcd_of_steps_may_divide_p): New function.
7847 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
7848
7849 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7850
7851 * reload.c (find_reloads_toplev, find_reloads_address,
7852 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
7853 not a pointer equality test, to decide if we need to call
7854 push_reg_equiv_alt_mem.
7855
7856 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
7857
7858 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
7859 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
7860 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
7861
7862 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7863
7864 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
7865 vector to be positive.
7866
7867 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7868
7869 PR 30735
7870 PR 31090
7871 * doc/invoke.texi: Document --params max-aliased-vops and
7872 avg-aliased-vops.
7873 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
7874 debug_memory_partitions): Move to tree-flow.h
7875 * params.h (AVG_ALIASED_VOPS): Define.
7876 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
7877 users.
7878 (mp_info_t): Likewise.
7879 (get_mem_sym_stats_for): New.
7880 (set_memory_partition): Move from tree-flow-inline.h.
7881 (mark_non_addressable): Only clear the set of symbols for the
7882 partition if it exists.
7883 (dump_memory_partitions): Move from tree-ssa-operands.c
7884 (debug_memory_partitions): Likewise.
7885 (need_to_partition_p): New.
7886 (dump_mem_ref_stats): New.
7887 (debug_mem_ref_stats): New.
7888 (dump_mem_sym_stats): New.
7889 (debug_mem_sym_stats): New.
7890 (update_mem_sym_stats_from_stmt): New.
7891 (compare_mp_info_entries): New.
7892 (mp_info_cmp): Call it.
7893 (sort_mp_info): Change argument to a list of mem_sym_stats_t
7894 objects.
7895 (get_mpt_for): Move from tree-ssa-operands.c.
7896 (find_partition_for): New.
7897 (create_partition_for): Remove.
7898 (estimate_vop_reduction): New.
7899 (update_reference_counts): New.
7900 (build_mp_info): New.
7901 (compute_memory_partitions): Refactor.
7902 Document new heuristic.
7903 Call build_mp_info, update_reference_counts,
7904 find_partition_for and estimate_vop_reduction.
7905 (compute_may_aliases): Populate virtual operands before
7906 calling debugging dumps.
7907 (delete_mem_sym_stats): New.
7908 (delete_mem_ref_stats): New.
7909 (init_mem_ref_stats): New.
7910 (init_alias_info): Call it.
7911 (maybe_create_global_var): Remove alias_info argument.
7912 Get number of call sites and number of pure/const call sites
7913 from gimple_mem_ref_stats().
7914 (dump_alias_info): Call dump_memory_partitions first.
7915 (dump_points_to_info_for): Show how many times a pointer has
7916 been dereferenced.
7917 * opts.c (decode_options): For -O2 set --param
7918 max-aliased-vops to 500.
7919 For -O3 set --param max-aliased-vops to 1000 and --param
7920 avg-aliased-vops to 3.
7921 * fortran/options.c (gfc_init_options): Remove assignment to
7922 MAX_ALIASED_VOPS.
7923 * tree-flow-inline.h (gimple_mem_ref_stats): New.
7924 * tree-dfa.c (dump_variable): Dump memory reference
7925 statistics.
7926 Dump NO_ALIAS* settings.
7927 (referenced_var_lookup): Tidy.
7928 (mem_sym_stats): New.
7929 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
7930 and ORIG are different SSA names for a memory partition.
7931 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
7932 * tree-flow.h (struct mem_sym_stats_d): Define.
7933 (mem_sym_stats_t): Define.
7934 (struct mem_ref_stats_d): Define.
7935 (struct gimple_df): Add field mem_ref_stats.
7936 (enum noalias_state): Define.
7937 (struct var_ann_d): Add bitfield noalias_state.
7938 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
7939 debug_mem_ref_stats, debug_memory_partitions,
7940 debug_mem_sym_stats): Declare.
7941 * tree-ssa-structalias.c (update_alias_info): Update call
7942 sites, pure/const call sites and asm sites in structure
7943 returned by gimple_mem_ref_stats.
7944 Remove local variable IS_POTENTIAL_DEREF.
7945 Increase NUM_DEREFS if the memory expression is a potential
7946 dereference.
7947 Call update_mem_sym_stats_from_stmt.
7948 If the memory references memory, call
7949 update_mem_sym_stats_from_stmt for all the direct memory
7950 symbol references found.
7951 (intra_create_variable_infos): Set noalias_state field for
7952 pointer arguments according to the value of
7953 flag_argument_noalias.
7954 * tree-ssa-structalias.h (struct alias_info): Remove fields
7955 num_calls_found and num_pure_const_calls_found.
7956 (update_mem_sym_stats_from_stmt): Declare.
7957 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
7958 Set default value to 100.
7959 (PARAM_AVG_ALIASED_VOPS): Define.
7960
7961 2007-04-11 Richard Guenther <rguenther@suse.de>
7962
7963 PR middle-end/31530
7964 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
7965 a * -b + c as c - a * b if we honor sign dependent rounding.
7966
7967 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7968
7969 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
7970 bfin_expand_strmov.
7971 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
7972 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
7973 variables.
7974 (initialize_trampoline): Don't use old-style function definition.
7975 (bfin_secondary_reload): Mark IN_P argument as unused.
7976
7977 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
7978
7979 PR tree-optimization/31343
7980 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
7981 (build_polynomial_chrec): Return a scalar when the evolution is zero.
7982 * testsuite/gcc.dg/vect/pr31343.c: New.
7983
7984 2007-04-10 Eric Christopher <echristo@apple.com>
7985
7986 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
7987 * config/i386/i386.md (*cmpfp0): Use.
7988 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7989 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7990 (fix_trunc<mode>_i386_fisttp): Ditto.
7991 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7992 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7993 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7994 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7995 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7996 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7997 (unnamed_splitters): Ditto.
7998 * config/i386/i386.c (output_fix_trunc): Assert that
7999 we're not being passed a TFmode operand.
8000
8001 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
8002
8003 PR tree-optimization/31526
8004 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
8005 n_basic_blocks to find newly added blocks.
8006
8007 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
8008
8009 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
8010 alternative.
8011 (fix_trunc<mode>si_sse): Ditto.
8012 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
8013 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
8014 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
8015 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
8016 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
8017 expander using SSEMODEF mode macro.
8018 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
8019 expander using SSEMODEF mode macro.
8020 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
8021 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
8022 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
8023 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
8024 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
8025 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
8026 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
8027 Macroize insn using X87MODEF mode macro.
8028
8029 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
8030
8031 * config/i386/sse.md (sse2_pinsrw): Removed.
8032 (sse2_pextrw): Renamed to ...
8033 (*sse2_pextrw): This.
8034
8035 2007-04-09 Jan Hubicka <jh@suse.cz>
8036
8037 PR target/27869
8038 * config/i386/sse.md
8039 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
8040 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
8041 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
8042 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
8043
8044 2007-04-09 Jan Hubicka <jh@suse.cz>
8045
8046 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
8047 multiple fields of union.
8048
8049 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
8050
8051 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
8052 (create_preheaders): Check that loops are available.
8053 (fix_loop_structure): Clean up, improve comments.
8054 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
8055 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
8056 state flags.
8057 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
8058 * predict.c (tree_estimate_probability): Do not call
8059 calculate_dominance_info. Call create_preheaders.
8060 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
8061 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
8062 flags.
8063 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
8064 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
8065 * tree-cfg.c (tree_split_edge): Make an assert more precise.
8066 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
8067 arguments.
8068
8069 2007-04-08 Jan Hubicka <jh@suse.cz>
8070
8071 * tree.h (maybe_fold_offset_to_component_ref): Declare.
8072 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
8073 * fold-const.c (fold_unary): Use it.
8074
8075 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
8076
8077 * varasm.c (assemble_variable): Remove call to
8078 lang_hooks.decls.prepare_assemble_variable.
8079 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
8080 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
8081 * langhooks.h (lang_hooks_for_decls): Remove
8082 prepare_assemble_variable.
8083
8084 2007-04-08 Mike Stump <mrs@apple.com>
8085
8086 * config/i386/i386.c: Use inc/dec on Core2.
8087
8088 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
8089
8090 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
8091 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8092 lhd_tree_inlining_end_inlining): Remove.
8093 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
8094 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
8095 end_inlining hooks.
8096 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
8097 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8098 lhd_tree_inlining_end_inlining): Remove prototypes.
8099 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
8100 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8101 LANG_HOOKS_TREE_INLINING_START_INLINING,
8102 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
8103
8104 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
8105 not set it.
8106
8107 2007-04-08 Anatoly Sokolov <aesok@post.ru>
8108
8109 PR target/29932
8110 * config/avr/predicates.md (io_address_operand): Delete predicate.
8111 (low_io_address_operand): Don't use 'mode' argument.
8112 (higth_io_address_operand): Rename ...
8113 (high_io_address_operand): ... to this. Don't use 'mode' argument.
8114 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
8115 for above change.
8116
8117 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
8118
8119 Revert change removing staticp.
8120
8121 2007-04-07 Anatoly Sokolov <aesok@post.ru>
8122
8123 PR target/30289
8124 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
8125 earlyclobber.
8126
8127 2007-04-07 Bruce Korb <bkorb@gnu.org>
8128
8129 * c.opt: Add -Wformat-contains-nul.
8130 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
8131 -Wformat setting.
8132 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
8133 the NUL byte warning.
8134
8135 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
8136
8137 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
8138
8139 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8140
8141 * tree.c (staticp): No longer use staticp langhook.
8142 * langhooks.c (lhd_staticp): Removed.
8143 * langhooks.h (struct lang_hooks): Remove staticp.
8144 * c-common.c (c_staticp): Remove.
8145 * c-common.h (c_staticp): Ditto.
8146 * langhooks-defs.h (lhd_staticp): Ditto.
8147 (LHD_HOOKS_STATICP): Ditto
8148 * tree.h (gcc_assert_lowered): New macro.
8149
8150 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
8151
8152 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
8153 argument "reliable".
8154 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
8155 Add argument "reliable". Propagate it through calls.
8156 (infer_loop_bounds_from_undefined): Derive number of iterations
8157 estimates from references in blocks that do not dominate loop latch.
8158 (gcov_type_to_double_int): New function.
8159 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
8160 and expected_loop_iterations_unbounded.
8161 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
8162 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
8163 * tree-data-ref.c (estimated_loop_iterations): Export.
8164 (get_references_in_stmt): Fix -- do not return addresses of local
8165 objects.
8166 * cfgloop.h (expected_loop_iterations_unbounded,
8167 estimated_loop_iterations): Declare.
8168
8169 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
8170
8171 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
8172
8173 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8174
8175 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8176 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
8177 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
8178 Use output_387_reg_move().
8179 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
8180 expander using X87MODEF12 mode macro.
8181 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
8182 choosing register preferences. Use output_387_reg_move().
8183 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
8184 instead of "x". Use output_387_reg_move().
8185 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
8186 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
8187 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
8188 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
8189 Use output_387_reg_move().
8190 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
8191 mode macro.
8192 (*truncxf?f_i387 splitter): Ditto.
8193
8194 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8195
8196 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8197 LANG_HOOKS_SAFE_FROM_P.
8198 * expr.c (safe_from_p): Remove langhook call.
8199 * langhooks.h (lang_hooks): Remove safe_from_p.
8200 (lhd_safe_from_p): Remove prototype.
8201 * langhooks.c (lhd_safe_from_p): Remove.
8202
8203 2007-04-06 Jan Hubicka <jh@suse.cz>
8204
8205 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
8206 functions.
8207
8208 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8209
8210 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
8211 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
8212 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
8213 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
8214 alternative.
8215 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
8216 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
8217
8218 2007-04-05 Richard Henderson <rth@redhat.com>
8219
8220 * config/alpha/alpha.c (print_operand) [+]: Remove.
8221 (alpha_end_function): Print nop if call at end of function.
8222 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
8223 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
8224 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
8225 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
8226 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
8227 the call pattern. Update peepholes to match.
8228
8229 2007-04-05 Janis Johnson <janis187@us.ibm.com>
8230
8231 * doc/extend.texi (Other Builtins): Add decimal float variants
8232 of signbit.
8233 * builtins.def: Ditto.
8234 * builtins.c (expand_builtin): Ditto.
8235
8236 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
8237 H.J. Lu <hongjiu.lu@intel.com>
8238
8239 PR target/31478
8240 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
8241 of V8HImode when calling ix86_binary_operator_ok.
8242 (sse2_pmaddwd): Call ix86_binary_operator_ok.
8243 (sdot_prodv8hi): Operands 1 and 2 must be register.
8244
8245 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8246
8247 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
8248 initialize align to silence bogus warning.
8249
8250 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8251
8252 PR middle-end/22156
8253 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
8254 all_no_warning.
8255 (struct sra_walk_fns): Remove use_all parameter from use.
8256 (sra_hash_tree): Handle BIT_FIELD_REFs.
8257 (sra_elt_hash): Don't hash bitfld blocks.
8258 (sra_elt_eq): Skip them in parent compares as well. Handle
8259 BIT_FIELD_REFs.
8260 (sra_walk_expr): Don't maintain or pass down use_all_p.
8261 (scan_use): Remove use_all parameter.
8262 (scalarize_use): Likewise. Re-expand assignment to
8263 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
8264 output, and re-scalarize after output. Don't mark anything
8265 for no warning.
8266 (scalarize_ldst): Adjust.
8267 (scalarize_walk_gimple_modify_statement): Likewise.
8268 (build_element_name_1): Handle BIT_FIELD_REFs.
8269 (instantiate_element): Don't warn for any element whose parent
8270 is used as a whole.
8271 (instantiate_missing_elements_1): Return the sra_elt.
8272 (canon_type_for_field): New.
8273 (try_instantiate_multiple_fields): New.
8274 (instantiate_missing_elemnts): Use them.
8275 (mark_no_warning): Removed.
8276 (generate_one_element_ref): Handle BIT_FIELD_REFs.
8277 (REPLDUP, sra_build_elt_assignment): New.
8278 (generate_copy_inout): Use them.
8279 (generate_element_copy): Likewise. Handle bitfld differences.
8280 (generate_element_zero): Don't recurse for blocks. Use
8281 sra_build_elt_assignment.
8282 (generate_one_element_int): Take elt instead of var. Use
8283 sra_build_elt_assignment.
8284 (generate_element_init_1): Adjust.
8285 (scalarize_use, scalarize_copy): Use REPLDUP.
8286 (scalarize_ldst): Move assert before dereference.
8287 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
8288
8289 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8290
8291 * regmove.c: Fix unused variable warnings due to previous commit.
8292
8293 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8294
8295 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
8296 (regmove_bb_head): Remove.
8297 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
8298 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
8299 problems with fixup_match_1.
8300 Don't initialize/free regmove_bb_head.
8301
8302 (reg_is_remote_constant_p): If an insn is in the same basic block
8303 but not before INSN, consider it remote, too.
8304
8305 2007-04-05 Anatoly Sokolov <aesok@post.ru>
8306
8307 PR target/25448
8308 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
8309 DECL_ASSEMBLER_NAME, not the DECL_NAME.
8310
8311 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
8312
8313 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
8314 (CONDITIONAL_REGISTER_USAGE): Likewise.
8315
8316 2007-04-04 Richard Henderson <rth@redhat.com>
8317
8318 * config/alpha/lib1funcs.asm: Remove unused file.
8319
8320 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8321
8322 PR other/31356
8323 * opts.c (print_specific_help): Fix --help=<language>
8324 header line.
8325 (common_handle_option): Support --help=common.
8326
8327 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8328
8329 PR other/31353
8330 * gcc.c (main): Do not run the linker if
8331 print_subprocess_help indicates that it shouldn't be
8332 run.
8333
8334 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8335
8336 PR doc/31355
8337 * doc/invoke.texi (--help=): Document <languages> value, fix
8338 formatting in tables of values.
8339
8340 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
8341
8342 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
8343 dllimport attribute of virtual methods.
8344
8345 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
8346
8347 * config/score/crti.asm: Change _bss_start to __bss_start.
8348 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
8349 (OUTGOING_REG_PARM_STACK_SPACE) update.
8350 * config/score/score.opt: add options to make backend support
8351 score5, score5u, score7 and score7d.
8352 * config/score/score.md: Likewise.
8353 * config/score/misc.md: Likewise.
8354 * config/score/mac.md: Likewise.
8355 * doc/invoke.texi: Likewise.
8356 * doc/md.texi: update constraints define.
8357
8358 2007-04-03 Richard Henderson <rth@redhat.com>
8359
8360 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
8361 an appropriate type, use the mode instead.
8362
8363 2007-04-03 Richard Sandiford <richard@codesourcery.com>
8364
8365 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
8366 Set the default --with-arch setting to mips2.
8367 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
8368 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
8369 (MULTILIB_OSDIRNAMES): Delete.
8370 (MULTILIB_DIRNAMES): Define.
8371 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
8372 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
8373 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
8374 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
8375 VXWORKS_OS_CPP_BUILTINS.
8376 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
8377 (MIPS_DEBUGGING_INFO): Undefine.
8378 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
8379
8380 2007-04-03 Jakub Jelinek <jakub@redhat.com>
8381
8382 PR middle-end/30704
8383 * fold-const.c (native_encode_real): Encode real.c provided longs
8384 as a series of 32-bit native integers.
8385 (native_interpret_real): Interpret buffer as a series of 32-bit
8386 native integers.
8387
8388 2007-04-03 Richard Guenther <rguenther@suse.de>
8389
8390 * genpreds.c (write_insn_constraint_len): Write function
8391 optimized for CONSTRAINT_LEN implementation.
8392 (write_tm_preds_h): Output insn_constraint_len inline and
8393 use it for CONSTRAINT_LEN.
8394 (write_insn_preds_c): Don't output insn_constraint_len.
8395 * doc/md.texi (define_register_constraint): Document multi-letter
8396 constraints shall have the same length if they start with the same
8397 letter.
8398
8399 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8400
8401 PR target/31175
8402 * config/i386/i386.md (isinf<mode>2): Expand only when
8403 TARGET_C99_FUNCTIONS is set.
8404
8405 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8406
8407 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
8408 (x86_64-*-linux*): Ditto.
8409 * config/i386/i386.opt (mpc): New option.
8410 * config/i386/i386.c (overrride_options): Handle
8411 ix87_precision_string.
8412 * config/i386/crtprec.c: New file.
8413 * config/i386/t-crtpc: Ditto.
8414 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
8415 and -mpc80 options.
8416 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
8417 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8418 crtprec32.o, crtprec64.o and crtprec80.o.
8419
8420 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
8421 and -mpc80 options.
8422 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
8423
8424 2007-04-02 Eric Christopher <echristo@apple.com>
8425
8426 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
8427 limitations on darwin.
8428
8429 2007-04-02 Anatoly Sokolov <aesok@post.ru>
8430
8431 PR target/31137
8432 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
8433
8434 2007-04-02 Dave Korn <dave.korn@artimi.com>
8435
8436 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
8437
8438 2007-04-02 Dave Korn <dave.korn@artimi.com>
8439
8440 * libgcc2.h (exception_descriptor): Don't forward-declare.
8441 (__get_eh_table_language, __get_eh_table_version): Delete
8442 prototypes of long-dead functions.
8443
8444 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
8445
8446 * ebitmap.h: New file
8447 * ebitmap.c: New file
8448 * Makefile.in (ebitmap.o): New target.
8449
8450 2007-04-01 Jan Hubicka <jh@suse.cz>
8451
8452 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
8453 before very first instruction.
8454
8455 2007-04-01 Jan Hubicka <jh@suse.cz>
8456
8457 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
8458 waring on 64bit hosts.
8459 * bitmap.h: Fix typo in bitmap_head_def.
8460
8461 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
8462
8463 PR rtl-optimization/31391
8464 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
8465 into a DELETED_LABEL note, and the label is in an empty basic
8466 block, update BB_END as well as BB_HEAD.
8467
8468 2007-04-01 Richard Henderson <rth@redhat.com>
8469
8470 PR tree-optimization/31169
8471 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
8472 to varying if the range is outside [0, prec-1].
8473
8474 2007-04-01 Richard Sandiford <richard@codesourcery.com>
8475
8476 PR target/31388
8477 * config/mips/mips.md (load_const_gp): New insn.
8478 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
8479 the MIPS16 GP pseudo register if no_new_pseudos.
8480 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
8481
8482 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
8483
8484 PR target/31364
8485 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
8486 secureplt.
8487 (call_value): Likewise.
8488
8489 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
8490 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8491
8492 PR 14737
8493 * doc/invoke.texi: (optimization options): Reword description
8494 of -ffast-math. Document its primary purpose.
8495
8496 2007-03-31 Richard Guenther <rguenther@suse.de>
8497
8498 * omp-low.c (splay-tree.h): Include.
8499 (lookup_decl): Replace splay-tree usage by pointer-map.
8500 (maybe_lookup_decl): Likewise.
8501 (new_omp_context): Likewise.
8502 (delete_omp_context): Likewise.
8503 * gimplify.c (splay-tree.h): Include.
8504 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
8505 pointer-map.
8506 (remap_ssa_name): Likewise.
8507 (remap_decl): Likewise.
8508 (remap_type_1): Likewise.
8509 (remap_type): Likewise.
8510 (copy_body_r): Likewise.
8511 (expand_call_inline): Likewise.
8512 (clone_body): Likewise.
8513 (copy_tree_r): Likewise.
8514 (remap_save_expr): Likewise.
8515 (unsave_r): Likewise.
8516 (unsave_expr_now): Likewise.
8517 (tree_function_versioning): Likewise.
8518 (build_duplicate_type): Likewise.
8519 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
8520 (struct copy_body_data): Replace splay-tree by pointer-map.
8521 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
8522 not $(SPLAY_TREE_H).
8523 (gimplify.o): Depend on $(SPLAY_TREE_H).
8524 (omp-low.p): Likewise.
8525
8526 2007-03-31 Anatoly Sokolov <aesok@post.ru>
8527
8528 * config/avr/predicates.md (even_register_operand,
8529 odd_register_operand): New predicates.
8530 * config/avr/avr.md (movw peephole2): New.
8531 (movw_r peephole2): New.
8532
8533 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
8534
8535 * tree.h (get_signed_or_unsigned_type): New.
8536 * fold-const.c (operand_equal_for_comparison_p): Use
8537 get_signed_or_unsigned_type instead of
8538 lang_hooks.types.signed_or_unsigned_type.
8539 * expr.c (store_expr): Ditto.
8540 * langhooks.c (get_signed_or_unsigned_type): New.
8541 (lhd_signed_or_unsigned_type): New.
8542 * langhooks.h (lhd_signed_or_unsigned_type): New.
8543 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
8544
8545 2007-03-30 Richard Henderson <rth@redhat.com>
8546
8547 * tree-ssa-loop-ivopts.c: Include target.h.
8548 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
8549 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
8550 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
8551 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
8552
8553 2007-03-30 Richard Henderson <rth@redhat.com>
8554 Kai Tietz <kai.tietz@onevision.com>
8555
8556 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
8557 default for 64-bit.
8558 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
8559 (TARGET_64BIT_MS_ABI): New.
8560 (DBX_REGISTER_NUMBER): Handle 64-bit.
8561 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
8562 (LONG_TYPE_SIZE): Force to 32.
8563 (REG_PARM_STACK_SPACE): New.
8564 (OUTGOING_REG_PARM_STACK_SPACE): New.
8565 (REGPARM_MAX, SSE_REGPARM_MAX): New.
8566 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8567 (STACK_BOUNDARY): Use 128 for 64-bit.
8568 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
8569 Add 64-bit implementation.
8570 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
8571 argument unused.
8572 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
8573 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
8574 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
8575 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
8576 (ix86_handle_cconv_attribute): Don't warn when ignoring if
8577 TARGET_64BIT_MS_ABI.
8578 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
8579 (ix86_pass_by_reference): Likewise.
8580 (ix86_function_value_regno_p): Likewise.
8581 (ix86_build_builtin_va_list): Likewise.
8582 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
8583 (function_arg_advance_ms_64): New.
8584 (function_arg_advance): Call it.
8585 (function_arg_ms_64): New.
8586 (function_arg): Call it.
8587 (function_value_ms_64): New.
8588 (ix86_function_value_1): Call it.
8589 (return_in_memory_ms_64): New.
8590 (ix86_return_in_memory): Call it.
8591 (setup_incoming_varargs_ms_64): New.
8592 (ix86_setup_incoming_varargs): Call it.
8593 (ix86_expand_prologue): Handle 64-bit stack probing.
8594 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
8595 (output_pic_addr_const): Likewise.
8596 (x86_this_parameter): Likewise.
8597 (x86_output_mi_thunk): Likewise.
8598 (x86_function_profiler): Likewise.
8599 (TARGET_STRICT_ARGUMENT_NAMING): New.
8600 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
8601 (TARGET_64BIT_MS_ABI): New.
8602 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
8603 * config/i386/i386.md (allocate_stack_worker): Remove.
8604 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
8605 describe the clobber of eax without a match_scratch.
8606 (allocate_stack_worker_postreload): Remove.
8607 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
8608 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
8609 (allocate_stack_worker_rex64_postreload): Remove.
8610 (allocate_stack): Handle 64-bit.
8611 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
8612 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
8613 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
8614 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
8615 (STANDARD_STARTFILE_PREFIX_1): Likewise.
8616 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
8617 * config.build (x86_64-*-mingw*): New host.
8618 * config.host (x86_64-*-mingw*): New host.
8619 * config.gcc (x86_64-*-mingw*): New target.
8620 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
8621
8622 2007-03-30 Richard Henderson <rth@redhat.com>
8623 Kai Tietz <kai.tietz@onevision.com>
8624
8625 * c-pragma.c (struct def_pragma_macro_value): New.
8626 (struct def_pragma_macro): New.
8627 (pushed_macro_table): New.
8628 (dpm_hash, dpm_eq): New.
8629 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
8630 (init_pragma): Install them.
8631 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8632
8633 2007-03-30 Anatoly Sokolov <aesok@post.ru>
8634
8635 * config/avr/avr.c (avr_override_options): Clear
8636 'flag_delete_null_pointer_checks'.
8637
8638 2007-03-30 Paolo Carlini <pcarlini@suse.de>
8639
8640 PR c++/26099
8641 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
8642 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
8643 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
8644 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
8645 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
8646 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
8647 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
8648 C++ extensions.
8649 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
8650
8651 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
8652
8653 * regmove.c: Move all of pass_stack_adjustments from here...
8654 * combine-stack-adj.c: ...to this new file.
8655 * Makefile.in: Add rules for combine-stack-adj.o.
8656
8657 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
8658
8659 PR tree-optimization/31383
8660 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
8661 to have the same length.
8662
8663 2007-03-30 Jan Hubicka <jh@suse.cz>
8664
8665 PR middle-end/30700
8666 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
8667 availablility; add more sanity checking; ask varpool only about
8668 VAR_DECL.
8669
8670 2007-03-29 Richard Henderson <rth@redhat.com>
8671
8672 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
8673 to decide, but __SIZEOF_LONG_LONG__.
8674
8675 2007-03-29 Richard Henderson <rth@redhat.com>
8676
8677 * emutls.c (struct __emutls_array): New.
8678 (emutls_destroy): Use it instead of casting element 0 from void*.
8679 (__emutls_get_address): Likewise.
8680
8681 2007-03-29 Richard Henderson <rth@redhat.com>
8682
8683 * varasm.c (initializer_constant_valid_p): Don't deny
8684 DECL_DLLIMPORT_P on functions.
8685
8686 * config/i386/cygming.h: Remove function declarations.
8687 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
8688 (ASM_OUTPUT_LABELREF): Remove.
8689 (COMMON_ASM_OP): Remove.
8690 (ASM_OUTPUT_COMMON): Remove.
8691 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
8692 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
8693 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8694 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
8695 Rename from TARGET_ENCODE_SECTION_INFO.
8696 * config/i386/netware.h: Likewise.
8697 * config/i386/i386-protos.h: Update.
8698 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
8699 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
8700 (legitimate_constant_p): Reject dllimports.
8701 (dllimport_map, get_dllimport_decl): New.
8702 (legitimize_dllimport_symbol): New.
8703 (legitimize_address, ix86_expand_move): Use it.
8704 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
8705 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
8706 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
8707 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
8708 * config/i386/predicates.md (constant_call_address_operand): Only
8709 accept symbols; reject dllimport_p symbols.
8710 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
8711 i386_pe_maybe_record_exported_symbol.
8712 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
8713 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
8714 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
8715 trust the setting of DECL_DLLIMPORT_P.
8716 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
8717 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
8718 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
8719 tidy the argument scanning loop.
8720 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
8721 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
8722 (i386_pe_strip_name_encoding): Remove.
8723 (i386_pe_binds_local_p): New.
8724 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
8725 (i386_pe_output_labelref): Remove.
8726 (i386_pe_asm_output_aligned_decl_common): New.
8727 (i386_pe_maybe_record_exported_symbol): Rename from
8728 i386_pe_record_exported_symbol; check for dllexported symbols.
8729
8730 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
8731
8732 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
8733 add comment explaining why vsnprintf cannot be used.
8734
8735 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
8736
8737 PR tree-optimization/30666
8738 * tree.c (build_complex_type): When creating type names for DWARF2
8739 debug info, create TYPE_DECLs for TYPE_NAME instead of
8740 IDENTIFIER_NODEs.
8741 (build_common_tree_nodes_2): Use build_complex_type when building
8742 predefined complex types, to preserve canonical types.
8743
8744 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
8745
8746 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
8747 (noce_get_alt_condition): Look at it to determine whether to
8748 reverse the condition or not.
8749 (noce_get_condition): Substitute the truth for lies.
8750 (noce_find_if_block): Set the then_else_reversed field.
8751
8752 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
8753
8754 * config/fr30/fr30.md (movdi): Do not accept immediates as the
8755 destination of this insn.
8756 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
8757 than calling gen_rtx_SET directly. Use r0 to hold the value of
8758 'address + 4' rather than a stack based temporary which can be
8759 mis-optimized away.
8760
8761 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8762
8763 * config/s390/s390.c (s390_secondary_input_reload_class,
8764 s390_secondary_output_reload_class): Functions removed.
8765 (s390_secondary_reload): New function.
8766 (TARGET_SECONDARY_RELOAD): Target macro defined.
8767 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
8768 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
8769 * config/s390/s390.md ("reload_outti", "reload_outdi",
8770 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
8771 "reload_out<mode>"): Expanders removed.
8772 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
8773 "reload<mode>_nonoffmem_out"): Expanders added.
8774
8775 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8776
8777 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
8778 SRC->DEST replacement failed anyway.
8779
8780 2007-03-28 Mike Stump <mrs@apple.com>
8781
8782 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
8783 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
8784 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
8785
8786 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8787
8788 * config.gcc: Accept barcelona as a variant of amdfam10.
8789 * config/i386/i386.c (override_options): Likewise.
8790 * doc/invoke.texi: Likewise.
8791
8792 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
8793
8794 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
8795 offsets for BIT_FIELD_REF and COMPONENT_REF.
8796
8797 2007-03-28 Richard Guenther <rguenther@suse.de>
8798
8799 * tree.c (is_global_var): Move ...
8800 * tree-flow-inline.h (is_global_var): ... here.
8801 * tree.h (is_global_var): Remove declaration.
8802
8803 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
8804
8805 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
8806 option.
8807 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
8808 * config/i386/i386.c (ix86_tune_features): Initialize new
8809 tuning option.
8810 * config/i386/predicates.md (promotable_binary_operator): Use
8811 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
8812
8813 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8814
8815 PR target/31380
8816 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
8817
8818 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
8819
8820 * config/fr30/fr30.md (movsi_internal): Change destination
8821 constraint from m to V and add m to the end.
8822
8823 2007-03-28 Christian Bruel <christian.bruel@st.com>
8824
8825 * config/sh/sh.md (movsi_i): Fix type attribute.
8826
8827 2007-03-28 Christian Bruel <christian.bruel@st.com>
8828
8829 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
8830 (movsf_ie): Likewise.
8831
8832 2007-03-28 Christian Bruel <christian.bruel@st.com>
8833
8834 * config.gcc: Add sh4-300 to multilib.
8835 * config/sh/t-mlib-sh4-300: New file.
8836
8837 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
8838
8839 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
8840 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
8841 fix_trunc<mode>di2.
8842 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
8843 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
8844 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
8845 "fixuns_trunctddi2"): Whitespace fix.
8846
8847 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8848
8849 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
8850 the definition of struct sh_args.
8851 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
8852 CALL_COOKIE_INT_REG_GET): Likewise.
8853
8854 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
8855
8856 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
8857 transformations are applied successfully.
8858
8859 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
8860
8861 * tree.c (tree_contains_struct): Permit 512 tree codes.
8862 * tree.h (tree_contains_struct): Ditto.
8863 (MAX_TREE_CODES): Ditto.
8864 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
8865 SPARE member to store remaining padding bits.
8866
8867 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8868
8869 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
8870 architecture.
8871
8872 2007-03-27 Janis Johnson <janis187@us.ibm.com>
8873
8874 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
8875 * configure: Regenerate.
8876
8877 * configure: Regenerate using the correct version of autoconf.
8878
8879 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8880
8881 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
8882 pointer regs.
8883 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
8884 regs to "__SP_L__" and "__SP_H__".
8885
8886 2007-03-27 Richard Guenther <rguenther@suse.de>
8887
8888 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
8889 computations with it with a HOST_WIDE_INT variable.
8890
8891 2007-03-26 Mike Stump <mrs@apple.com>
8892
8893 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
8894 objective-c-header, objective-c++-header and objc++-cpp-output
8895 support.
8896 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
8897
8898 2007-03-26 Richard Henderson <rth@redhat.com>
8899
8900 PR target/31361
8901 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
8902 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
8903 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
8904 IX86_BUILTIN_PSRLQ128): New.
8905 (ix86_init_mmx_sse_builtins): Add them.
8906 (ix86_expand_builtin): Expand them.
8907 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
8908 operand 2 be TImode.
8909 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
8910 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
8911 _mm_srli_epi64): Mark __B const.
8912 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
8913 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
8914 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
8915 new two-vector shift builtins.
8916
8917 2007-03-26 Ian Lance Taylor <iant@google.com>
8918
8919 PR tree-optimization/31345
8920 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
8921 [+INF, +INF(OVF)] into VARYING.
8922
8923 2007-03-26 Zack Weinberg <zackw@panix.com>
8924
8925 * gengtype-parse.c: New file.
8926 * gengtype-yacc.y: Delete.
8927 * gengtype-lex.l: Don't include gengtype-yacc.h.
8928 Define YY_DECL and yyterminate appropriately for recursive
8929 descent parser. yylval is now a string out-parameter to yylex.
8930 (HWS, EOID): New shorthand.
8931 (IWORD): Add a couple more types.
8932 (yylex): Add a setup stanza. Remove the complex rules for
8933 detecting GTY'ed types and typedefs; replace with simple
8934 keyword detectors. Adjust everything for the changed
8935 definition of yylval. Ignore all pp-directives, not just #define.
8936 (yyerror): Delete.
8937 (parse_file): Rename yybegin; do not call yyparse.
8938 (yyend): New.
8939 * gengtype.c (xasprintf): Export again.
8940 (this_file): New. Use everywhere __FILE__ was being used.
8941 (get_lang_bitmap): Special case types defined in gengtype.c.
8942 (do_typedef, new_structure): Suppress definition of certain types.
8943 (new_structure): Improve diagnostics of duplicate definitions.
8944 Make sure location_s is associated with input.h.
8945 (nreverse_pairs, define_location_structures): New functions.
8946 (main): Improve tagging of kludge types. Remove old kludges
8947 for input.h types; use define_location_structures.
8948 * gengtype.h: Update prototypes. Define token codes here.
8949 * Makefile.in: Remove all references to gengtype-yacc.
8950 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
8951 and gengtype.
8952 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
8953 add GTY((skip)) to the field that's only conditionally there.
8954 * doc/install.texi: Document that Bison is no longer required
8955 unless building treelang.
8956
8957 * gengtype.c: Don't include gtyp-gen.h.
8958 (srcdir): Declare here.
8959 (base_files, lang_dir_names): Allocate dynamically.
8960 (gt_files, num_gt_files, num_lang_dirs): New globals.
8961 (measure_input_list, read_input_line, read_input_list)
8962 (set_lang_bitmap): New functions.
8963 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
8964 simplify, relying on read_input_list to set up the bitmaps.
8965 (main): Arguments are no longer unused. Check for correct number
8966 of command line arguments, set srcdir and srcdir_len, then call
8967 read_input_list, before doing anything else. No need to worry
8968 about duplicates in main loop.
8969 * configure.ac: Simplify the calculation of all_gtfiles.
8970 Put language tags in there. Don't set or substitute
8971 all_gtfiles_files_langs or all_gtfiles_files_frags.
8972 * Makefile.in: Revamp the way gengtype is invoked, now that it
8973 takes a file on its command line with a much simpler format.
8974 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
8975 (GTFILES): Remove duplicates and C source files.
8976 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
8977 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
8978 * configure: Regenerate.
8979
8980 * gengtype.h: Remove all type definitions to gengtype.c; leave
8981 only definitions of options_p, type_p, and pair_p as opaque
8982 pointers. Update prototypes.
8983 * gengtype.c: Many type definitions moved here from gengtype.h.
8984 Consolidate type definitions at the top of the file.
8985 (xvasprintf): Delete.
8986 (xasprintf): Make static.
8987 (create_nested_pointer_option): Add 'next' parameter.
8988 (create_field_all, create_field_at): New functions.
8989 (create_field): Now a thin wrapper around create_field_all.
8990 (create_optional_field): Rename create_optional_field_ and add
8991 line argument. Original name is now a macro which supplies
8992 __LINE__.
8993 (oprintf): Use vsnprintf directly.
8994 (close_output_files): Use fatal rather than perror/exit.
8995 (note_def_vec, note_def_vec_alloc): Use create_field_at.
8996 (main): Set progname. Don't use exit.
8997 * gengtype-yacc.y (struct_fields): Use create_field_at.
8998 (option, optionseqopt): Delete.
8999 (optionseq): Consolidate productions from option here so we
9000 can use the first argument to create_option.
9001
9002 * gengtype-lex.l: Distinguish unions from structures in the
9003 token type. Don't call find_structure; return the tag as a string.
9004 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
9005 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
9006 Reorganize typedef_struct production accordingly.
9007 Use create_nested_ptr_option.
9008 * gengtype.c (create_nested_ptr_option): New function.
9009 * gengtype.h: Declare it.
9010
9011 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
9012 (string_type): Don't declare.
9013 (do_scalar_typedef): Declare.
9014 (create_scalar_type): Update prototype.
9015 * gengtype.c (string_type): Make static.
9016 (scalar_nonchar, scalar_char): New.
9017 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
9018 (resolve_typedef): Use scalar_nonchar for error recovery.
9019 (create_scalar_type): Remove name_len field. Return scalar_char
9020 or scalar_nonchar as appropriate.
9021 (adjust_field_type): Look at scalar_is_char boolean to decide whether
9022 to use string_type.
9023 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
9024 whenever possible.
9025 (main): Initialize scalar_char and scalar_nonchar before calling
9026 gen_rtx_next.
9027 * gengtype-lex.l: Adjust for removal of second argument to
9028 create_scalar_type. Use yylval.s instead of yylval.t when
9029 returning SCALAR.
9030 * gengtype-yacc.y: Type of SCALAR is string. Call
9031 create_scalar_type from type:SCALAR rule. Adjust for removal of
9032 second argument to create_scalar_type.
9033
9034 * vec.h: Remove all #if IN_GENGTYPE blocks.
9035 Add comment saying that changes may require adjustments to gengtype.
9036 * gengtype.c: Don't include coretypes.h or tm.h.
9037 Add comment to inclusion of errors.h.
9038 (note_def_vec, note_def_vec_alloc): New functions.
9039 * gengtype.h: Declare new functions.
9040 * gengtype-lex.l: Don't include coretypes.h.
9041 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
9042 Delete.
9043 (update_lineno): Remove unnecessary prototype.
9044 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
9045 (VEC rule): Just return VEC_TOKEN.
9046 * gengtype-yacc.y (VEC_TOKEN): New token type.
9047 (type): Add a production for VEC(a,b).
9048 * Makefile.in: Update dependencies.
9049
9050 * gengtype-lex.l: Remove rules for parsing pointer-to-function
9051 typedefs that use the old PARAMS macro.
9052
9053 * gengtype-lex.l: Remove all rules and states relating to yacc
9054 input files.
9055 * gengtype-yacc.y: Similarly.
9056 * gengtype.c (note_yacc_type): Delete function.
9057 * gengtype.h: Update prototypes.
9058
9059 2007-03-26 Joseph Myers <joseph@codesourcery.com>
9060
9061 * tree-pretty-print.c (dump_generic_node): Report precision of
9062 unnamed integer types.
9063
9064 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
9065
9066 * ifcvt.c (noce_try_store_flag_constants): Don't check
9067 no_new_pseudos here.
9068 (noce_try_store_flag_constants): Don't check no_new_pseudos.
9069 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
9070 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
9071 noce_try_sign_mask): Likewise.
9072 (if_convert): Check no_new_pseudos here.
9073
9074 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
9075 Remove prototypes.
9076 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
9077 (noce_get_condition): Handle new then_else_reversed argument.
9078 (noce_init_if_info): Remove, fold into noce_find_if_block.
9079 (noce_process_if_block): Take a struct noce_if_info as the
9080 argument. Don't set up one based on ce_if_info. Update pointer
9081 references accordingly.
9082 (cond_move_process_if_block): Likewise.
9083 (process_if_block): Removed.
9084 (find_if_block): Removed. Move functionality two new functions,
9085 noce_find_if_block and cond_exec_find_if_block.
9086 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
9087 blocks and the symmetric IF-ELSE-JOIN case.
9088 (cond_exec_find_if_block): Also new function mostly based on old
9089 find_if_block and process_if_block.
9090 (find_if_header): Replace find_if_block call with separately
9091 guarded calls to noce_find_if_block and cond_exec_find_if_block.
9092 (find_cond_trap): Update noce_get_condition call.
9093 (dead_or_predicable): Likewise.
9094
9095 2007-03-26 Jakub Jelinek <jakub@redhat.com>
9096
9097 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
9098 Remove.
9099 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
9100 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
9101 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
9102 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
9103 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
9104 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
9105 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
9106 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
9107 __builtin_ia32_psrad128 builtins.
9108
9109 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
9110
9111 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
9112 * config/i386/constraints.md
9113 (define_constraint "I"): Use IN_RANGE macro.
9114 (define_constraint "J"): Ditto.
9115 (define_constraint "K"): Ditto.
9116 (define_constraint "M"): Ditto.
9117 (define_constraint "N"): Ditto.
9118 (define_constraint "O"): Ditto.
9119 * config/i386/predicates.md
9120 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
9121 (define_predicate "const_0_to_3_operand"): Ditto.
9122 (define_predicate "const_0_to_7_operand"): Ditto.
9123 (define_predicate "const_0_to_15_operand"): Ditto.
9124 (define_predicate "const_0_to_63_operand"): Ditto.
9125 (define_predicate "const_0_to_255_operand"): Ditto.
9126 (define_predicate "const_1_to_31_operand"): Ditto.
9127 (define_predicate "const_2_to_3_operand"): Ditto.
9128 (define_predicate "const_4_to_7_operand"): Ditto.
9129
9130 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9131
9132 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
9133 in SImode for save_world.
9134 * config/rs6000/altivec.md (save_world, restore_world): Convert to
9135 LR hard reg.
9136
9137 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
9138
9139 PR tree-optimization/30784
9140 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
9141 BIT_FIELD_REF.
9142
9143 2007-03-25 Revital Eres <eres@il.ibm.com>
9144
9145 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
9146 Fold movement_possibility function into it.
9147
9148 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9149
9150 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
9151 (load_macho_picbase_{si,di}): Convert to LR hard reg.
9152 (call_indirect_nonlocal_darwin64): Same.
9153 (call_nonlocal_darwin64): Same.
9154 (call_value_indirect_nonlocal_darwin64): Same.
9155 (call_value_nonlocal_darwin64): Same.
9156 (sibcall_nonlocal_darwin64): Same.
9157 (sibcall_value_nonlocal_darwin64): Same.
9158 (sibcall_symbolic_64): Same.
9159 (sibcall_value_symbolic_64): Same.
9160 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
9161 LR pseudo.
9162 (rs6000_emit_load_toc_table): Same.
9163 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
9164 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
9165 (mull_call): Same.
9166 (divss_call): Same.
9167 (divus_call): Same.
9168 (quoss_call): Same.
9169 (quous_call): Same.
9170 (load_toc_v4_pic_si): Same
9171 (load_toc_v4_PIC_1): Same.
9172 (load_toc_v4_PIC_1b): Same.
9173 (call_indirect_aix{32,64}): Same.
9174 (call_value_indirect_aix{32,64}): Same.
9175 (call): Same.
9176 (call_value): Same.
9177 (call_local{32,64}): Same.
9178 (call_value_local{32,64}): Same.
9179 (call_indirect_nonlocal_aix{32,64}): Same.
9180 (call_nonlocal_aix{32,64}): Same.
9181 (call_value_indirect_nonlocal_aix{32,64}): Same.
9182 (call_value_nonlocal_aix{32,64}): Same.
9183 (call_indirect_nonlocal_sysv<mode>): Same.
9184 (call_nonlocal_sysv<mode>): Same.
9185 (call_value_indirect_nonlocal_sysv<mode>): Same.
9186 (call_value_nonlocal_sysv<mode>): Same.
9187 (sibcall): Same.
9188 (sibcall_local{32,64}): Same.
9189 (sibcall_value_local{32,64}): Same.
9190 (sibcall_nonlocal_aix{32,64}): Same.
9191 (sibcall_value_nonlocal_aix{32,64}): Same.
9192 (sibcall_nonlocal_sysv<mode>): Same.
9193 (sibcall_value): Same.
9194 (sibcall_value_nonlocal_sysv<mode>): Same.
9195
9196 2007-03-24 Paul Brook <paul@codesourcery.com>
9197
9198 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
9199 * config/arm/linux-eabi.h: Remove legacy syscall hack.
9200
9201 2007-03-24 Richard Henderson <rth@redhat.com>
9202
9203 * config/ia64/constraints.md: New file.
9204 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
9205 satisfies_constraint_?.
9206 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
9207 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
9208 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
9209 ia64_output_mi_thunk): Likewise.
9210 (ia64_const_ok_for_letter_p): Remove.
9211 (ia64_const_double_ok_for_letter_p): Remove.
9212 (ia64_extra_constraint): Remove.
9213 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
9214 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
9215 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
9216 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
9217 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
9218 EXTRA_MEMORY_CONSTRAINT): Remove.
9219 * config/ia64/ia64.md: Include constriants.md. Replace
9220 CONST_OK_FOR_? with satisfies_constraint_?.
9221
9222 2007-03-23 Michael Meissner <michael.meissner@amd.com>
9223 H.J. Lu <hongjiu.lu@intel.com>
9224
9225 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
9226 DPD or BID name.
9227 (name macros): Use DPD_BID_NAME to convert names properly.
9228
9229 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
9230 decimal floating point format.
9231 (init_floating_libfuncs): Change decimal functions so that they
9232 have a "bid_" prefix if the decimal system uses the BID format,
9233 and "dpd_" prefix if the decimal system uses the DPD format.
9234 (init_interclass_conv_libfuncs): Ditto.
9235 (init_intraclass_conv_libfuncs): Ditto.
9236
9237 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9238 using the BID format.
9239
9240 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9241 whether we are using the BID decimal format.
9242 * configure: Regenerate.
9243
9244 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9245 the compiler has decimal floating point enabled. Define
9246 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9247 instead of DPD.
9248
9249 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9250 using the BID format.
9251
9252 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9253 whether we are using the BID decimal format.
9254 * configure: Regenerate.
9255
9256 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9257 the compiler has decimal floating point enabled. Define
9258 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9259 instead of DPD.
9260
9261 * doc/install.texi (--enable-decimal-float): Document BID and DPD
9262 options, and that it is enabled for i386/x86_64 systems.
9263
9264 * Makefile.in (enable_decimal_float): New.
9265 (DECNUMFMT): New.
9266 (DECNUMINC): Add -I$(DECNUMFMT).
9267 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
9268 to $(DECNUMFMT) from $(DECNUM).
9269
9270 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
9271 Substitute enable_decimal_float.
9272 * configure: Regenerated.
9273
9274 PR other/30529
9275 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
9276 unsigned long.
9277
9278 * configure.ac: Enable decimal float for x86_64-*-linux*.
9279 * configure: Regenerated.
9280
9281 PR other/30530
9282 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
9283 decimal128ClearSign to flip and clear the sign bit in decimal128.
9284 (decimal_real_maxval): Set decimal128SetSign to set the sign
9285 bit in decimal128.
9286
9287 2007-03-23 Ian Lance Taylor <iant@google.com>
9288
9289 * fold-const.c (fold_binary): Correct warning for X - c >= X.
9290
9291 2007-03-23 Ian Lance Taylor <iant@google.com>
9292
9293 * tree-dump.c (dump_files): Correct comment.
9294
9295 2007-03-23 Ian Lance Taylor <iant@google.com>
9296
9297 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
9298
9299 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
9300
9301 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
9302 in cfglayout mode. Don't go into and out of cfglayout mode.
9303 Link the blocks in the order of the constructed traces.
9304 (rest_of_handle_tracer): Adjust call to tracer.
9305 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
9306 Don't go into cfglayout mode.
9307 (rtl_loop_done): Don't go out of cfglayout mode.
9308 * cfglayout.c (relink_block_chain): New function, split out from...
9309 (fixup_reorder_chain): ...here. Remove redundant checking.
9310 (cfg_layout_finalize): Don't clear the header, footer, and aux
9311 fields here, move the code to do so to relink_block_chain. Likewise
9312 for free_original_copy_tables.
9313 * rtl.h (tracer): Update prototype.
9314 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
9315 Assert we are in cfglayout mode. Don't go into and out of cfglayout
9316 mode. Use relink_block_chain to serialize the CFG according to the
9317 new basic block order. Move targetm.cannot_modify_jumps_p check from
9318 here...
9319 (gate_handle_reorder_blocks): ...to here.
9320 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
9321 from here...
9322 (gate_duplicate_computed_gotos): ...to here.
9323 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
9324 something always changes when going into and out of cfglayout mode.
9325 Perform an expensive cfg cleanup while going into cfglayout mode.
9326 Always update liveness information on HAVE_conditional_execution
9327 targets. Reserialize the basic blocks and go out of cfglayout mode.
9328 * reg-stack.c: Include cfglayout.h.
9329 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
9330 the call to reorder_basic_blocks.
9331 * basic-block.h (reorder_basic_blocks): Update prototype.
9332 (relink_block_chain): New prototype.
9333 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
9334
9335 2007-03-23 Joseph Myers <joseph@codesourcery.com>
9336
9337 * config/mips/mips.md (type, hazard, *movdi_32bit,
9338 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
9339 *movhi_internal, *movqi_internal, *movsf_hardfloat,
9340 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
9341 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
9342 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
9343 applicable.
9344 (movcc): Change first xfer to multi.
9345 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
9346 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
9347 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
9348 config/mips/generic.md: Change reservations using "xfer" to use
9349 "mfc,mtc".
9350 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
9351 using match_operand.
9352 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
9353 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
9354 examining mode.
9355 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
9356
9357 2007-03-22 Richard Henderson <rth@redhat.com>
9358
9359 * config/i386/i386.c: Remove unnecessary function declarations.
9360 Move targetm definition, and all related macros, to the end of
9361 the file. Resort some functions to put definitions before uses.
9362 (ix86_attribute_table): Make static. Move to end of file.
9363 (ix86_gimplify_va_arg): Make static.
9364
9365 2007-03-22 Richard Henderson <rth@redhat.com>
9366
9367 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
9368 don't increase local_regparm with force_align_arg_pointer check.
9369 (ix86_function_sseregparm): Assert 32-bit.
9370 (type_has_variadic_args_p): New.
9371 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
9372 type_has_variadic_args_p.
9373 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
9374 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
9375 use memset instead. Do maybe_vaarg check first; skip attribute
9376 tests if true; skip attribute tests for 64-bit.
9377 (construct_container): Remove TARGET_DEBUG_ARG.
9378 (function_arg_advance_32, function_arg_advance_64): Split out ...
9379 (function_arg_advance): ... from here.
9380 (function_arg_32, function_arg_64): Split out ...
9381 (function_arg): ... from here.
9382 (ix86_pass_by_reference): Tidy.
9383 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
9384 (function_value_32): New, from parts of ix86_function_value
9385 and ix86_value_regno.
9386 (function_value_64): New, from parts of ix86_function_value
9387 and ix86_libcall_value.
9388 (ix86_function_value_1): New.
9389 (ix86_function_value, ix86_libcall_value): Use it.
9390 (return_in_memory_32, return_in_memory_64): Split out ...
9391 (ix86_return_in_memory): ... from here.
9392 (ix86_struct_value_rtx): Skip for 64-bit.
9393 (ix86_libcall_value, ix86_value_regno): Remove.
9394 (setup_incoming_varargs_64): Split out ...
9395 (ix86_setup_incoming_varargs): ... from here.
9396 (ix86_va_start): Remove TARGET_DEBUG_ARG.
9397 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
9398 * config/i386/i386-protos.h (ix86_function_value): Remove.
9399 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
9400
9401 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9402
9403 PR other/23572
9404 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
9405 infinities not supported, otherwise emit warning if -Woverflow. On
9406 underflow, emit warning if -Woverflow.
9407 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
9408 and 0 otherwise.
9409 * real.h (real_from_string): Update declaration
9410
9411 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
9412 Richard Henderson <rth@redhat.com>
9413
9414 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
9415 * calls.c (compute_argument_block_size, expand_call,
9416 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
9417 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
9418 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
9419 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
9420 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
9421 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
9422 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
9423 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
9424 Set to 1.
9425
9426 2007-03-22 Joseph Myers <joseph@codesourcery.com>
9427
9428 * c-incpath.c (add_sysroot_to_chain): New.
9429 (merge_include_chains): Add sysroot argument. Call
9430 add_sysroot_to_chain if sysrooted.
9431 (register_include_chains): Update call to merge_include_chains.
9432 * doc/cppopts.texi: Document use of '=' in include directory
9433 arguments.
9434
9435 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
9436
9437 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
9438 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
9439 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
9440 insn pattern using X87MODEF12 mode macro.
9441
9442 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
9443
9444 * regmove.c (regmove_optimize): Use reg_mentioned_p
9445 instead of reg_overlap_mentioned_p for DST.
9446
9447 2007-03-21 Mike Stump <mrs@apple.com>
9448
9449 * c.opt: Fixup for Objective-C/C++.
9450
9451 2007-03-21 Steve Ellcey <sje@cup.hp.com>
9452
9453 * explow.c (convert_memory_address): Fold memory reference when
9454 POINTERS_EXTEND_UNSIGNED < 0
9455
9456 2007-03-21 Richard Henderson <rth@redhat.com>
9457
9458 PR target/31245
9459 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
9460 * config/i386/mmintrin.h (__m64): Likewise.
9461 * config/i386/xmmintrin.h (__m128): Likewise.
9462
9463 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9464
9465 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
9466 (VXWORKS_OS_CPP_BUILTINS): Define.
9467 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
9468 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
9469
9470 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9471
9472 * rtl.h (constant_pool_reference_p): Delete.
9473 (find_constant_src): Declare.
9474 * rtlanal.c (find_constant_src): New function.
9475 * simplify-rtx.c (constant_pool_reference_p): Delete.
9476 * config/i386/i386.md: Use find_constant_src instead of
9477 constant_pool_reference_p/avoid_constant_pool_reference pairs.
9478
9479 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9480
9481 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
9482 * c-cppbuiltin.c (c_cpp_builtins): Define them.
9483
9484 2007-03-20 Mark Mitchell <mark@codesourcery.com>
9485
9486 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
9487 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
9488 (arm_elf_asm_constructor): Use it.
9489 (arm_elf_asm_destructor): New function.
9490
9491 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
9492
9493 * jump.c (mark_jump_label): Treat SEQUENCE specially.
9494
9495 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
9496
9497 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
9498
9499 2007-03-19 Andrew Haley <aph@redhat.com>
9500
9501 PR tree-optimization/31264
9502 * tree-vrp.c (register_edge_assert_for_1): Don't look though
9503 VIEW_CONVERT_EXPRs.
9504
9505 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
9506
9507 PR rtl-optimization/30907
9508 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
9509 (fwprop_init): Always call loop_optimizer_initialize.
9510 (fwprop_done): Always call loop_optimizer_finalize.
9511 (fwprop): We always have loop info now.
9512 (gate_fwprop_addr): Remove.
9513 (pass_fwprop_addr): Use gate_fwprop as gate.
9514
9515 PR rtl-optimization/30841
9516 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
9517 df_chain_alloc): Call df_reorganize_refs unconditionally.
9518 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
9519 refs_organized to refs_organized_size.
9520 (df_ref_create_structure): Use refs_organized_size instead of
9521 bitmap_size if refs had been organized, and keep refs_organized_size
9522 up-to-date.
9523 * df.h (struct df_ref_info): Change refs_organized to
9524 refs_organized_size.
9525 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
9526 bitmap_size.
9527
9528 2007-03-19 Mark Mitchell <mark@codesourcery.com>
9529
9530 * except.c (output_function_exception_table): Do not reference the
9531 EH personality routine for functions that do not require an
9532 exception table.
9533
9534 2007-03-20 Jakub Jelinek <jakub@redhat.com>
9535
9536 PR c/30762
9537 * c-typeck.c (convert_for_assignment): Call comptypes for
9538 RECORD_TYPE or UNION_TYPE.
9539
9540 PR inline-asm/30505
9541 * reload1.c (reload): Do invalid ASM checking after
9542 cleanup_subreg_operands.
9543
9544 2007-03-19 Jeff Law <law@redhat.com>
9545
9546 * tree-cfg.c (find_taken_edge): Tighten conditions for
9547 optimizing computed gotos.
9548
9549 2007-03-19 Michael Matz <matz@suse.de>
9550
9551 * builtins.c (expand_builtin_sync_operation,
9552 expand_builtin_compare_and_swap,
9553 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
9554 correctly.
9555
9556 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
9557 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
9558 for operand 3.
9559
9560 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9561
9562 * doc/tm.texi: Add brackets around the return type of
9563 TARGET_SECONDARY_RELOAD.
9564
9565 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
9566 Richard Guenther <rguenther@suse.de>
9567
9568 PR tree-optimization/31254
9569 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9570 Use handled_component_p () where appropriate. Continue
9571 propagating into the rhs if we propagated into an INDIRECT_REF
9572 on the lhs.
9573
9574 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9575
9576 * config/s390/s390.md (op_type attribute): RRR instruction type added.
9577 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
9578 (xde, xdee): Mode attributes adjusted to support DFP modes.
9579 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
9580 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
9581 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
9582 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
9583 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
9584 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9585 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
9586 numbers.
9587 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
9588 "movsf"): Insn definitions removed.
9589 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
9590 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
9591 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
9592 definitions added.
9593 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
9594 "reload_in<mode>", "reload_out<mode>"): Expander added.
9595 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
9596 Expander removed.
9597
9598 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9599
9600 * config/s390/s390.md: Only non-functional changes. Renamed
9601 FPR mode macro to BFP all over the file.
9602
9603 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9604
9605 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
9606 (op_type attribute): RRF instruction type added.
9607 (fT0): New mode attribute.
9608 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9609 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
9610 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
9611 no secondary memory is needed when moving DFmode values between GPRs
9612 and FPRs.
9613
9614 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9615
9616 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
9617 inverted and documentation adjusted.
9618 ("mhard-dfp", "msoft-dfp"): New options.
9619 * config/s390/s390.c (s390_handle_arch_option): New architecture
9620 switch: z9-ec.
9621 (override_options): Sanity checks for the new options added.
9622 * config.gcc: New architecture switch: z9-ec.
9623 * config/s390/s390.h (processor_flags): PF_DFP added.
9624 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
9625 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
9626 when the bit is NOT set so remove it from the defaults.
9627
9628 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9629
9630 * genemit.c (main): Print include statement for dfp.h.
9631 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
9632 is not available.
9633
9634 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9635
9636 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
9637
9638 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
9639
9640 PR target/31022
9641 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
9642 instead of PATTERN.
9643
9644 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9645
9646 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
9647 attr_length_call, output_call, output_indirect_call): Cleanup
9648 formatting of targetm calls.
9649
9650 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9651
9652 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
9653
9654 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9655
9656 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
9657 reservation, bypass and anti-bypass descriptions for these instructions.
9658 Update move patterns.
9659 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
9660 TYPE_FPSTORE.
9661
9662 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
9663
9664 * tree-vect-transform.c (get_initial_def_for_induction): Replace
9665 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
9666 (get_initial_def_for_reduction): Likewise.
9667
9668 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
9669
9670 Fix PR tree-optimization/29922
9671 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
9672 (get_representative): Removed.
9673 (value_dies_in_block_x): Update for rvuse removal.
9674 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
9675 (compute_antic_aux): Handle when PHI nodes appear in
9676 non-single-successors.
9677 (dump_bitmap_of_names): Removed.
9678 (compute_antic_safe): Renamed and removed rvuse calculation.
9679 Calculate only antic safe.
9680 (insert_into_preds_of_block): Remove assert.
9681 (execute_pre): Update for renamed functions.
9682 (defer_or_phi_translate_block): New function.
9683
9684 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9685
9686 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
9687 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
9688 typos.
9689 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
9690 Follow spelling conventions.
9691
9692 * tree-data-ref.h: Remove the prototype for analyze_array.
9693
9694 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
9695
9696 PR tree-optimization/31041
9697 * tree-vect-transform.c (get_initial_def_for_induction): Call
9698 force_gimple_operand.
9699
9700 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
9701
9702 * ipa-type-escape.c (look_for_casts) : Revert code to use
9703 handled_component_p due to ada test a-numaux.adb.
9704
9705 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9706
9707 * final.c (final_scan_insn): Alter the condition of a
9708 conditional trap if we have nonstandard CC.
9709
9710 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9711
9712 * configure.ac: Remove excess quoting from asm line 0 test.
9713 * configure: Rebuilt.
9714
9715 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9716
9717 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
9718 * c-common.c (convert_and_check): Move warning logic to...
9719 (warnings_for_convert_and_check): ...here. Define.
9720 * c-common.h (warnings_for_convert_and_check): Declare.
9721
9722 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9723
9724 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
9725 (output_call): Likewise.
9726
9727 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9728
9729 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
9730
9731 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9732
9733 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
9734
9735 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
9736
9737 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
9738 opteron, athlon-64 and athlon-fx processor_alias_table entries.
9739
9740 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
9741
9742 PR tree-optimization/31183
9743 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
9744 Use double_int instead of unsigned int for representing access_strides.
9745 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
9746
9747 2007-03-16 Richard Guenther <rguenther@suse.de>
9748
9749 PR tree-optimization/31146
9750 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
9751 to allow recursion of forward_propagate_addr_expr.
9752 (forward_propagate_addr_into_variable_array_index): Likewise.
9753 (forward_propagate_addr_expr): Likewise.
9754 (tree_ssa_forward_propagate_single_use_vars): Likewise.
9755 (forward_propagate_addr_expr_1): Recurse on simple copies
9756 instead of propagating into them. Do so for useless conversions
9757 as well.
9758 (forward_propagate_addr_expr): Clean up unused statements after
9759 recursion.
9760
9761 2007-03-16 Richard Guenther <rguenther@suse.de>
9762
9763 * builtins.c (expand_builtin_cexpi): Use the right argument
9764 for the expansion via cexp.
9765
9766 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9767
9768 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
9769 * configure: Rebuilt.
9770
9771 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9772
9773 PR debug/29906
9774 * dwarf2out.c (force_type_die): Adjust comment.
9775 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
9776
9777 2007-03-15 DJ Delorie <dj@redhat.com>
9778
9779 * config/frv/predicates.md (minmax_operator): Don't check operands
9780 here.
9781
9782 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9783
9784 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
9785 Update constant estimates of number of iterations.
9786 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
9787 argument renamed to "realistic".
9788 (compute_estimated_nb_iterations): Removed.
9789 (record_niter_bound): New function.
9790 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
9791 call record_nonwrapping_iv with upper = false.
9792 (infer_loop_bounds_from_signedness): Pass upper argument to
9793 record_nonwrapping_iv.
9794 (estimate_numbers_of_iterations_loop): Do not call
9795 compute_estimated_nb_iterations. Record estimate based on profile
9796 information. Initialize the constant estimates of number of
9797 iterations.
9798 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
9799 estimates.
9800 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
9801 number of iterations is too small.
9802 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
9803 (EST_NOT_AVAILABLE): Removed.
9804 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
9805 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
9806 fields.
9807
9808 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9809
9810 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
9811 Handle NE_EXPR guards.
9812
9813 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9814
9815 PR c++/24924
9816 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
9817 Set also -pedantic-errors by default for the preprocessor unless
9818 -fpermissive is given.
9819
9820 2007-03-15 Richard Guenther <rguenther@suse.de>
9821
9822 PR middle-end/29719
9823 PR middle-end/31161
9824 * builtins.c (expand_builtin_cexpi): As a fallback if we
9825 don't have builtins for sincos or cexp create a function
9826 declaration for cexp and expand to a call to that.
9827 (expand_builtin_int_roundingfn): Always fall
9828 back to floor/ceil and its variants even if they may be
9829 not available.
9830
9831 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
9832
9833 PR middle-end/31159
9834 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
9835 jump tables, move the call to delete_dead_jumptables from here...
9836 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
9837 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
9838 don't allow merging of blocks that try_redirect_by_replacing_jump
9839 also does not handle when not optimizing.
9840
9841 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9842 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9843
9844 * config/i386/i386.md (x86_sahf_1): Correctly handle
9845 HAVE_AS_IX86_SAHF.
9846
9847 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9848
9849 PR target/31167
9850 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
9851 x86_64_general_operand as operand[2] predicate. Remove "iF"
9852 from operand constraints and use "e" constraint instead.
9853 (*subti3_1, *subti3_1 splitter): Ditto.
9854 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
9855 operand[1] predicate.
9856
9857 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
9858
9859 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
9860 arrays, multiply the access strides by the size of the sub-array.
9861 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
9862
9863 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9864
9865 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
9866 the configured assembler supports the sahf mnemonic.
9867 * configure: Regenerate.
9868 * config.in: Regenerate.
9869
9870 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
9871 emit "sahf" or ".byte\t0x9e" as asm template.
9872
9873 2007-03-14 Michael Meissner <michael.meissner@amd.com>
9874
9875 PR 31018
9876 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
9877 option to replace hard coded TARGET_xxx in md file.
9878 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
9879 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9880 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
9881 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
9882 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
9883 (X86_TUNE_NOT_VECTORMODE): Ditto.
9884 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
9885 (TUNE_AVOID_VECTOR_DECODE): Ditto.
9886 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9887 (TUNE_SLOW_IMUL_IMM8): Ditto.
9888 (TUNE_MOVE_M1_VIA_OR): Ditto.
9889 (TUNE_NOT_UNPAIRABLE): Ditto.
9890 (TUNE_NOT_VECTORMODE): Ditto.
9891
9892 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
9893 options.
9894
9895 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
9896 tuning options instead of hard coded TARGET_xxx.
9897 (fix ssemode peephole2's): Ditto.
9898 (imul peephole2's): Ditto.
9899 (movsi_or): Ditto.
9900 (movdi_or_rex64): Ditto.
9901 (move peephole2): Ditto.
9902 (not peephole2's): Ditto.
9903
9904 2007-03-14 Dirk Mueller <dmueller@suse.de>
9905
9906 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
9907 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
9908 * c-parser.c (c_parser_if_body): Always add an empty statement in case
9909 of empty body.
9910 * c-parser.c (c_parser_do_statement): Warn about empty body in
9911 do/while statement.
9912 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
9913 * doc/invoke.texi (-Wempty-body): Update documentation.
9914
9915 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9916
9917 PR c/21438
9918 * c-common.h (warn_for_div_by_zero): Declare.
9919 * c-common.c (warn_for_div_by_zero): Define.
9920 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
9921 warning.
9922
9923 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9924
9925 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
9926 to PREFIX and STANDARD_PREFIX.
9927
9928 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9929 Phil Edwards <phil@codesourcery.com>
9930
9931 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
9932 (__gthread_once_t): Remove busy field for RTPs.
9933 (__GTHREAD_ONCE_INIT): Update accordingly.
9934
9935 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9936
9937 * doc/invoke.texi: Document VxWorks options.
9938
9939 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9940
9941 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
9942
9943 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
9944
9945 PR tree-optimization/30590
9946 * tree-nrv.c (tree_nrv): Check for the partial update of the
9947 return value.
9948
9949 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
9950
9951 * flags.h (flag_random_seed): Remove declaration, in favor of...
9952 * toplev.h (get_random_seed, set_random_seed): ... these.
9953 * tree.c (get_file_function_name): Use the former.
9954 * opts.c (common_handle_option): Use the latter.
9955 * toplev.c
9956
9957 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
9958
9959 PR middle-end/31127
9960 * cse.c (cse_find_path): Do not bail out if a basic block that
9961 we already visited now becomes part of a path that starts at a
9962 different basic block. Just disallow this, to make sure we
9963 visit each basic block at most once.
9964
9965 2007-03-13 Jan Hubicka <jh@suse.cz>
9966
9967 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
9968 when profile esitmate is present, calls with very low frequency are
9969 cold.
9970
9971 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9972
9973 PR tree-optimization/30730
9974 PR tree-optimization/26900
9975 * tree-ssa-loop-niter.c: Include gmp.h.
9976 (bounds): New type.
9977 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
9978 split_to_var_and_offset, determine_value_range,
9979 bound_difference_of_offsetted_base, refine_bounds_using_guard,
9980 bound_difference, bounds_add, bounds_negate,
9981 number_of_iterations_ne_max, dump_affine_iv): New functions.
9982 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9983 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
9984 difference of initial and final value of control iv to validate
9985 results.
9986 (number_of_iterations_cond): Add loop parameter. Determine bounds
9987 on the difference of the extremes of the control iv. Add dumps.
9988 (expand_simple_operations): Handle phi nodes.
9989 (simplify_using_initial_conditions): Do not record used conditions.
9990 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
9991 Do not set additional_info.
9992 (implies_nonnegative_p, implies_ge_p): Removed.
9993 (derive_constant_upper_bound): Do not use parameter `additional'.
9994 (record_estimate): Parameter `additional' removed. Parameter
9995 `i_bound' added. Do not call derive_constant_upper_bound.
9996 (record_nonwrapping_iv): Use derive_constant_upper_bound to
9997 bound the number of iterations estimate.
9998 (estimate_numbers_of_iterations_loop): Pass the estimate from
9999 the number of iterations analysis to record_estimate.
10000 * tree.h (multiple_of_p): Declare.
10001 * tree-scalar-evolution.c (expression_expensive_p): Removed.
10002 (scev_const_prop): Do not check expression_expensive_p.
10003 * fold-const.c (multiple_of_p): Exported.
10004 * double-int.c (double_int_mask): Exported.
10005 * double-int.h (double_int_mask): Declare.
10006 * tree-flow.h (struct tree_niter_desc): Removed additional_info
10007 field. Added max field.
10008
10009 2007-03-13 David Taylor <taylor@candd.org>
10010
10011 PR driver/12448:
10012 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
10013 default -MQ.
10014
10015 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10016
10017 PR target/31123
10018 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
10019 two unamed patterns.
10020
10021 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
10022
10023 * config/i386/i386.opt (mcx16, msahf): New options.
10024 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
10025 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
10026
10027 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
10028 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
10029 Output -mcx16 and -msahf options when corresponding bit is set.
10030
10031 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
10032 and -msahf options.
10033
10034 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10035
10036 * configure.ac: Test for assembler tolerance to # 0 "".
10037 * configure, config.in: Rebuilt.
10038 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
10039
10040 2007-03-13 Geoffrey Keating <geoffk@apple.com>
10041
10042 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
10043
10044 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
10045 (handle_syscall): Handle direct system calls.
10046 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
10047
10048 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10049
10050 * doc/invoke.texi: Fix cpp.info cross-reference.
10051 * doc/passes.texi: Fix gcc.info cross-reference.
10052
10053 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
10054
10055 PR tree-optimization/30835
10056 * lambda-code.c (can_convert_to_perfect_nest): Check whether
10057 bb_for_stmt is not NULL before accessing it.
10058
10059 2007-03-12 Joseph Myers <joseph@codesourcery.com>
10060
10061 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
10062 some multilibs.
10063
10064 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10065
10066 PR 30635
10067 * doc/install.texi: Document --enable-stage1-languages
10068
10069 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
10070
10071 * tree-pass.h (pass_into_cfg_layout_mode,
10072 pass_outof_cfg_layout_mode): Declare.
10073 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
10074 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
10075 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
10076 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
10077
10078 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
10079
10080 * c-decl.c (warn_variable_length_array): New function.
10081 Refactored from grokdeclarator to handle warn_vla
10082 and handle unnamed array case.
10083 (grokdeclarator): Refactored VLA warning case.
10084 * c.opt (Wvla): New flag.
10085 * doc/invoke.texi (Wvla): New warning.
10086
10087 2007-03-12 Richard Henderson <rth@redhat.com>
10088
10089 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
10090 (TARGET_SECTION_TYPE_FLAGS): New.
10091
10092 2007-03-12 Richard Henderson <rth@redhat.com>
10093
10094 * config/darwin.c (machopic_reloc_rw_mask): New.
10095 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10096 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
10097
10098 2007-03-12 Mark Mitchell <mark@codesourcery.com>
10099
10100 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
10101 * cppdefault.h (cpp_PREFIX): Document.
10102 (cpp_PREFIX_len): Likewise.
10103 (cpp_EXEC_PREFIX): New variable.
10104 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
10105 * c-incpath.c (add_standard_paths): Correct logic for relocating
10106 paths within prefix.
10107
10108 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
10109
10110 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
10111 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
10112 mode macro.
10113 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
10114 fix_truncdfdi_sse using SSEMODEF mode macro.
10115 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
10116 fix_truncdfsi_sse using SSEMODEF mode macro.
10117 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
10118 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
10119
10120 2007-03-12 Richard Sandiford <richard@codesourcery.com>
10121
10122 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
10123 elfos.h to tm_file.
10124
10125 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
10126
10127 * tree.h : Add multiple_of_p declaration.
10128 * fold-const.c (multiple_of_p): Make multiple_of_p public.
10129 * ipa-type-escape.c (results_of_malloc): Redundant.
10130 (visited_stmts): New. Visited stmt for walk_use_def_chains.
10131 (cast_type): Extended with new members.
10132 (check_cast): Returns cast_type.
10133 (cast): New structure for data of walk_use_def_chains.
10134 (is_malloc_result, is_cast_from_non_pointer_1,
10135 is_cast_from_non_pointer,
10136 is_array_access_through_pointer_and_index): New functions.
10137 (look_for_casts): Returns cast types.
10138 (check_call): Returns void.
10139 (okay_pointer_operation): Use support of pointer plus index,
10140 pointer plus constant and allow all multiplications.
10141
10142 2007-03-11 Richard Guenther <rguenther@suse.de>
10143
10144 PR tree-optimization/31115
10145 * tree-vrp.c (extract_range_from_binary_expr): Make sure
10146 the shift count is positive and non-anti-range for RSHIFT_EXPR.
10147 A shift count of zero is not special as with *_DIV_EXPR.
10148 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
10149 direction.
10150
10151 2007-03-11 Ian Lance Taylor <iant@google.com>
10152
10153 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
10154 the *_DIV_EXPR codes correctly with overflow infinities.
10155
10156 2007-03-11 Ira Rosen <irar@il.ibm.com>
10157
10158 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
10159 indicate success/failure of the analysis. Add negation to subtrahend
10160 in case of subtraction. Fail if both operands contain constants.
10161 (create_data_ref): Fail if analyze_offset fails.
10162
10163 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
10164
10165 * config/i386/i386.md (frndintxf2): Rename to ...
10166 (rintxf2): ... this. Remove expander having same name.
10167 (rintsf2, rintdf2): Implement using SSEMODEF macro.
10168 (roundsf2, rounddf2): Ditto.
10169 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
10170 (lround<mode>di2, lround<mode>si2): Ditto.
10171
10172 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
10173
10174 * lower-subreg.c: Include except.h.
10175 (decompose_multiword_subregs): Verify that the only control flow
10176 insns we can split are loads to multi-words pseudos.
10177 Handle breaking such blocks after splitting, instead of calling
10178 find_many_sub_basic_blocks.
10179
10180 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
10181 on the new basic block. Add a lengthy comment explaining why we
10182 thought this was necessary.
10183 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
10184
10185 2007-03-10 Mark Mitchell <mark@codesourcery.com>
10186
10187 PR c++/30924
10188 * tree.c (walk_type_fields): Recurse into the element type of
10189 ARRAY_TYPEs if there is a pointer set.
10190
10191 2007-03-10 Dirk Mueller <dmueller@suse.de>
10192
10193 * c-common.c (warn_logical_operator): Fix condition.
10194
10195 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
10196
10197 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
10198 quotation mark.
10199 * config/darwin.c (machopic_select_section): Remove superfluous
10200 argument in call to categorize_decl_for_section. Remove unused
10201 variable shlib.
10202
10203 2007-03-10 Joseph Myers <joseph@codesourcery.com>
10204
10205 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
10206 defined.
10207 * configure: Regenerate.
10208
10209 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
10210
10211 PR target/31101
10212 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
10213 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
10214 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
10215 Add LABEL_NUSES to emitted label.
10216 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
10217 branch probability value to emitted jump insn.
10218 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
10219 Do not check life information and do not re-arrange input operands
10220 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
10221
10222 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10223
10224 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
10225 the change of decode_asm_operands.
10226
10227 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10228
10229 * mode-switching.c (create_pre_exit): Skip blockage insn.
10230
10231 2007-03-09 Diego Novillo <dnovillo@redhat.com>
10232
10233 * tree-pass.h (TODO_update_smt_usage): Remove.
10234 Update all users.
10235 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
10236 argument SOME.
10237 Update all users.
10238
10239 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10240
10241 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
10242 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
10243 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
10244 SOM target.
10245
10246 2007-03-09 Geoffrey Keating <geoffk@apple.com>
10247
10248 * gcc.c: Document %{, in big comment at top.
10249 (input_suffix_matches): Remove special handling for .s and
10250 .S.
10251 (input_spec_matches): New.
10252 (handle_braces): Handle %{,.
10253 (validate_switches): ',' indicates a value which is not a switch.
10254 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
10255 to detect assembler input.
10256 * config/i386/sol2.h (CPP_SPEC): Likewise.
10257 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
10258 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
10259 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
10260 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
10261 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
10262 -m64 causes deployment target to default to 10.5.
10263 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10264
10265 2007-03-09 Richard Henderson <rth@redhat.com>
10266
10267 PR target/26090
10268 * target.h (targetm.asm.out.reloc_rw_mask): New.
10269 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
10270 (TARGET_ASM_OUT): Use it.
10271 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
10272 * varasm.c (categorize_decl_for_section): Remove shlib argument;
10273 use the new reloc_rw_mask target hook instead.
10274 (default_section_type_flags_1): Merge into...
10275 (default_section_type_flags): ... here.
10276 (decl_readonly_section_1): Merge into...
10277 (decl_readonly_section): ... here.
10278 (default_elf_select_section_1): Merge into...
10279 (default_elf_select_section): ... here.
10280 (default_unique_section_1): Merge into...
10281 (default_unique_section): ... here.
10282 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
10283 (default_select_rtx_section): Use it.
10284 (default_elf_select_rtx_section): Likewise.
10285 * output.h: Update to match.
10286 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
10287 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
10288 (TARGET_ASM_RELOC_RW_MASK): New.
10289 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
10290 to categorize_decl_for_section.
10291 (x86_64_elf_unique_section): Likewise.
10292 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
10293 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
10294 (TARGET_ASM_RELOC_RW_MASK): New.
10295 * config/ia64/ia64.c (ia64_rwreloc_select_section,
10296 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
10297 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
10298 (TARGET_RWRELOC): Remove.
10299 (ia64_section_type_flags): Adjust call to default_section_type_flags.
10300 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10301 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
10302 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
10303 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
10304 (rs6000_xcoff_select_section): Use decl_readonly_section.
10305 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
10306 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10307 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
10308 (TARGET_SECTION_TYPE_FLAGS): Remove.
10309 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
10310
10311 2007-03-09 Roger Sayle <roger@eyesopen.com>
10312
10313 * fold-const.c (fold_comparison): Remove compile-time evaluation of
10314 complex constant equality/inequality comparisons for here.
10315 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
10316 known at compile-time or can be simplified to a scalar comparison.
10317 (fold_relational_const): Move compile-time evaluation of complex
10318 constant equality/inequality comparisons to here.
10319
10320 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10321
10322 PR rtl-optimization/30643
10323 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
10324 dest_addr_elt.
10325 (fold_rtx): Recurse, like before 2006-11-03.
10326
10327 2007-03-09 DJ Delorie <dj@redhat.com>
10328
10329 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
10330 m32c-pragma.o.
10331
10332 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
10333
10334 PR tree-optimization/30375
10335 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
10336 LHS of statements is not the same.
10337 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
10338
10339 2007-03-09 Chao-ying Fu <fu@mips.com>
10340
10341 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
10342 REV 2.
10343 * doc/invoke.texi (-mdspr2): Document new option.
10344 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
10345 New unspec for DSP REV 2.
10346 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
10347 these instructions are extended in DSP REV 2.
10348 (mips-dspr2.md): Include.
10349 * config/mips/mips.opt (mdspr2): New option.
10350 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
10351 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
10352 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
10353 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
10354 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
10355 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
10356 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
10357 and 2 builtins.
10358 (bdesc_map): Add one field of unsupported_target_flags.
10359 (bdesc_arrays): Update entries to have extra fields. Add
10360 dsp_32only_bdesc.
10361 (mips_init_builtins): Initialize new function types.
10362 Check unsupported_target_fileds to filter out builtins.
10363 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
10364 TARGET_DSPR2.
10365 (ASM_SPEC): Pass mdspr2 to the assembler.
10366 * config/mips/mips-dspr2.md: New file.
10367
10368 2007-03-09 Sa Liu <saliu@de.ibm.com>
10369
10370 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
10371
10372 2007-03-09 Ian Lance Taylor <iant@google.com>
10373
10374 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
10375 argument) like -Wstrict-overflow=2.
10376 * doc/invoke.texi (Warning Options): Update documentation.
10377
10378 2007-03-09 Dirk Mueller <dmueller@suse.de>
10379
10380 PR c++/17946
10381 * doc/invoke.texi (-Wlogical-op): Document.
10382 * common.opt (-Wlogical-op): New.
10383 * c-common.h (warn_logical_operator): Declare.
10384 * c-common.c (warn_logical_operator): Define.
10385 * c-typeck.c (parser_build_binary_op): Call
10386 warn_logical_operator.
10387
10388 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10389
10390 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
10391 * final.c (final_scan_insn): Test for non-"" file name.
10392
10393 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
10394
10395 * doc/loop.texi: Document the Omega linear constraints solver.
10396 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
10397 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
10398 omega-hash-table-size, omega-max-keys, and
10399 omega-eliminate-redundant-constraints.
10400 * tree-pass.h (pass_check_data_deps): Declared.
10401 * omega.c: New.
10402 * omega.h: New.
10403 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
10404 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
10405 pass_check_data_deps): New.
10406 * tree-data-ref.c (init_data_ref): Remove declaration.
10407 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
10408 (analyze_array): Renamed init_array_ref, move up initializations.
10409 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
10410 Removed arguments that are set to NULL.
10411 (analyze_indirect_ref): Correct indentation, correct call to
10412 init_pointer_ref.
10413 (object_analysis): Call init_array_ref instead of analyze_array.
10414 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
10415 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
10416 of DR_ACCESS_FNS_ADDR.
10417 (init_omega_eq_with_af, omega_extract_distance_vectors,
10418 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
10419 ddr_consistent_p): New.
10420 (compute_affine_dependence): Check consistency of ddrs when
10421 flag_check_data_deps is passed.
10422 (analyze_all_data_dependences): Uncomment.
10423 (tree_check_data_deps): New.
10424 * tree-data-ref.h: Include omega.h.
10425 (DR_ACCESS_FNS_ADDR): Removed.
10426 (data_dependence_relation): Add inner_loop.
10427 (DDR_INNER_LOOP): New.
10428 * common.opt (fcheck-data-deps): New.
10429 * tree-flow.h (tree_check_data_deps): Declare.
10430 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
10431 (OBJS-common): Depend on omega.o.
10432 (omega.o): Define.
10433 * passes.c (pass_check_data_deps): Scheduled.
10434 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
10435 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
10436 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
10437 PARAM_VECT_MAX_VERSION_CHECKS,
10438 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
10439
10440 2007-03-09 Richard Guenther <rguenther@suse.de>
10441
10442 PR tree-optimization/30904
10443 PR middle-end/31058
10444 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
10445 the same way as *_DIV_EXPR.
10446
10447 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10448
10449 * recog.c (decode_asm_operands): No mixed declarations and code.
10450
10451 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10452
10453 * rtl.def (ASM_INPUT): Add location.
10454 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
10455 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
10456 (decode_asm_operands): Add loc operand.
10457 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
10458 * stmt.c (expand_asm): Rename to...
10459 (expand_asm_loc): ... this. Add locus argument. Pass it on to
10460 gen_rtx_ASM_INPUT_loc.
10461 (expand_asm_expr): Adjust.
10462 * recog.c (decode_asm_operands): Add loc operand.
10463 (check_asm_operands, extract_insn): Adjust.
10464 * reload1.c (maybe_fix_stack_asms): Likewise.
10465 * final.c (asm_insn_count): Likewise.
10466 (final_scan_insn): Output # line before and after asm.
10467
10468 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
10469
10470 * tree-ssa-structalias.c (variable_info): Remove
10471 finished_solution.
10472 (new_var_info): Ditto.
10473 (shared_bitmap_info_t): New structure.
10474 (shared_bitmap_table): New variable.
10475 (shared_bitmap_hash): New function.
10476 (shared_bitmap_eq): Ditto
10477 (shared_bitmap_lookup): Ditto.
10478 (shared_bitmap_add): Ditto.
10479 (merge_smts_into): Change to take bitmap directly.
10480 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
10481 (init_alias_vars): Init shared bitmap hashtable.
10482 (delete_points_to_sets): Delete shared bitmap hashtable.
10483 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
10484 is_aliased removal as a change that was still necessary was
10485 deleted.
10486
10487 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
10488
10489 * config/i386/i386.h (override_options): Conditionally disable
10490 x86_sahf for 64bit targets only.
10491
10492 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
10493
10494 PR C/31072
10495 * c-decl.c (merge_decls): Don't call make_var_volatile.
10496 * varasm.c (make_var_volatile): Remove.
10497 * output.h (make_var_volatile): Remove.
10498
10499 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
10500
10501 PR tree-optimization/31085
10502 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
10503
10504 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10505
10506 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
10507 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
10508 ATTR_CONST_NOTHROW_LIST.
10509
10510 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
10511 FIX_TRUNC_EXPR.
10512
10513 2007-03-08 Diego Novillo <dnovillo@redhat.com>
10514
10515 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
10516
10517 2007-03-08 Geoffrey Keating <geoffk@apple.com>
10518
10519 PR 31013
10520 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
10521 is declared.
10522 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
10523 passed, use shared libgcc.
10524
10525 2007-03-08 Roger Sayle <roger@eyesopen.com>
10526
10527 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
10528 instead of calling build2 with a GIMPLE_MODIFY_STMT.
10529 (honor_protect_cleanup_actions, lower_try_finally_switch):
10530 Likewise.
10531 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
10532 ifc_temp_var): Likewise.
10533 * tree-inline.c (setup_one_parameter): Likewise.
10534 * tree-mudflap.c (mf_decl_cache_locals,
10535 mf_build_check_statement_for): Likewise.
10536 * tree-nested.c (init_tmp_var, save_tmp_var,
10537 finalize_nesting_tree_1): Likewise.
10538 * tree-outof-ssa.c (insert_copy_on_edge,
10539 insert_backedge_copies): Likewise.
10540 * tree-profile.c (tree_gen_edge_profiler,
10541 tree_gen_ic_profiler): Likewise.
10542 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10543 * tree-sra.c (sra_build_assignment): Likewise.
10544 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
10545 * tree-ssa-math-opts.c (insert_reciprocals,
10546 execute_cse_sincos_1): Likewise.
10547 * tree-tailcall.c (adjust_accumulator_values,
10548 adjust_return_value): Likewise.
10549 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
10550 * tree-vect-transform.c (vect_create_data_ref_ptr,
10551 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
10552 vect_create_epilog_for_reduction, vectorizable_reduction,
10553 vectorizable_call, vectorizable_conversion,
10554 vectorizable_assignment, vectorizable_operation,
10555 vectorizable_type_demotion, vect_gen_widened_results_half,
10556 vect_permute_store_chain, vectorizable_store,
10557 vect_setup_realignment, vect_permute_load_chain,
10558 vectorizable_load, vectorizable_condition,
10559 vect_create_cond_for_align_checks): Likewise.
10560 * tree-vrp.c (build_assert_expr_for): Likewise.
10561
10562 2007-03-08 Ian Lance Taylor <iant@google.com>
10563
10564 * tree-vrp.c: Include "intl.h".
10565 (usable_range_p): New static function.
10566 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
10567 overflowed values, juts set *strict_overflow_p.
10568 (compare_values): Only return -2 if one of the operands is not a
10569 constant.
10570 (compare_ranges): Call usable_range_p.
10571 (compare_range_with_value): Likewise.
10572 (vrp_evaluate_conditional_warnv): Rename from
10573 vrp_evaluate_conditional. Make static. Change all callers.
10574 (vrp_evaluate_conditional): New function.
10575 (simplify_div_or_mod_using_ranges): Issue warning about reliance
10576 on signed overflow.
10577 (simplify_abs_using_ranges): Likewise.
10578 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
10579 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
10580 within_stmt parameter.
10581 * tree-ssa-propagate.c (fold_predicate_in): Update call to
10582 vrp_evaluate_conditional.
10583 * tree-ssa-threadedge.c
10584 (record_temporary_equivalences_from_stmts_at_dest): Change
10585 simplify parameter to take a second tree parameter.
10586 (simplify_control_stmt_condition): Likewise.
10587 (thread_across_edge): Likewise.
10588 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
10589 (thread_across_edge): Likewise.
10590 * Makefile.in (tree-vrp.o): Depend upon intl.h.
10591
10592 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
10593
10594 * config/i386/i386.h (TARGET_SAHF): New define.
10595 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
10596 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
10597 (x86_sahf): New global variable.
10598 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
10599 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
10600 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
10601 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
10602 for 64-bit.
10603 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
10604 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
10605 when expanding fcomi/sahf based tests.
10606 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
10607 expanding sahf based alternative. Emit sahf based sequence when
10608 optimizing for code size.
10609 * config/i386/i386.md (x86_sahf_1): Do not disable for
10610 TARGET_64BIT, enable for TARGET_SAHF.
10611
10612 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
10613
10614 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
10615 spurious whitespace from error message.
10616
10617 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
10618
10619 PR c++/30852
10620 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
10621
10622 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
10623
10624 * c-decl.c (grokdeclarator): Disable warnings for anonymous
10625 bitfields.
10626 * tree-sra.c (instantiate_element): Propagate disabled warnings
10627 from the element itself to the created variable.
10628
10629 2007-03-07 Richard Henderson <rth@redhat.com>
10630
10631 PR target/30848
10632 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
10633 silently fix up the stack in the case of a missing register.
10634
10635 2007-03-07 Paul Brook <paul@codesourcery.com>
10636
10637 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
10638
10639 2007-03-07 Joseph Myers <joseph@codesourcery.com>
10640
10641 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
10642 New.
10643 (phase1_vrs): Use them.
10644 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
10645 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
10646 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
10647 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
10648 __gnu_Unwind_Restore_WMMXC if required.
10649 (_Unwind_VRS_Pop): Implement iWMMXt support.
10650 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
10651 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
10652 gnu_Unwind_Save_WMMXC): Define.
10653
10654 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10655
10656 * config/vxworks.h (vxworks_override_options): Declare.
10657 (VXWORKS_OVERRIDE_OPTIONS): Use it.
10658 * config/vxworks.c: Include target.h and toplev.h.
10659 (vxworks_override_options): New function.
10660 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
10661
10662 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
10663
10664 * config/s390/s390.c (override_options): Don't emit an error when
10665 -mstack-size is used without providing -mstack-guard.
10666 (s390_emit_prologue): Choose stack_guard value automatically if not
10667 provided via command line.
10668 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
10669
10670 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10671
10672 * config/i386/i386.c (output_set_got): Add a GOT initialization
10673 sequence for VxWorks PIC.
10674 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
10675 around labels as well as symbols. Use gotoff_operand instead
10676 of local_symbolic_operand.
10677 (legitimize_pic_address): Use gotoff_operand instead of
10678 local_symbolic_operand. Use @GOT accesses for labels as
10679 well as symbols.
10680 (ix86_output_addr_diff_elt): Use PC-relative rather than
10681 GP-relative offsets for VxWorks PIC.
10682 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
10683 no_new_pseudos. Check whether the returned register is op0.
10684 * config/i386/i386.md (tablejump): Use PC-relative rather than
10685 GP-relative offsets for VxWorks PIC.
10686 * config/i386/predicates.md (gotoff_operand): New predicate.
10687
10688 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10689
10690 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
10691 before defining.
10692 * config/vxworks-dummy.h: New file.
10693 * config/i386/i386.h: Include it.
10694
10695 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
10696
10697 * dwarf2out.c (is_inlined_entry_point): New
10698 (add_high_low_attributes): Emit DW_AT_entry_pc along with
10699 DW_AT_ranges if the first subblock is the entry point.
10700
10701 2007-03-06 David Daney <ddaney@avtrex.com>
10702
10703 * doc/install.texi (mips-*-*): Change recommended binutils
10704 version.
10705
10706 2007-03-06 Anatoly Sokolov <aesok@post.ru>
10707
10708 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
10709 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
10710 devices.
10711 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10712 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10713
10714 2007-03-06 Jan Hubicka <jh@suse.cz>
10715
10716 * errors.h (warning, error, fatal, internal_error): Mark as cold.
10717 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
10718 are hot.
10719 (probably_cold_bb_p): Cold functions are cold.
10720 (probably_never_executed_bb_p): Cold functions are cold.
10721 (tree_bb_level_predictions): Predict calls to cold functions as not
10722 taken.
10723 (compute_function_frequency): Check hot/cold attributes.
10724 * function.h (function_frequency): Update comments.
10725 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
10726 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
10727 (c_common_att): Add cold and hot.
10728
10729 * doc/extend.texi (hot,cold attributes): Document.
10730
10731 2007-03-06 Andrew Haley <aph@redhat.com>
10732
10733 * function.c (expand_function_end): Move blockage to just after we
10734 emit the label for the naked return from the function.
10735
10736 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10737
10738 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
10739 before redefining.
10740
10741 2007-03-06 Jan Hubicka <jh@suse.cz>
10742
10743 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
10744 loaded for constant large models. Non-large 64bit PIC can do.
10745 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
10746 * cmodel.h: Add LARGE PIC.
10747 * i386.md (UNSPEC_PLTOFF): New.
10748 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
10749 needed.
10750 (*call_1_rex64): Disable for large models.
10751 (*call_1_rex64_large): New.
10752 (*call_value_1_rex64): Disable for large models.
10753 (*call_value_1_rex64_large): New.
10754 (set_rip_rex4): New.
10755 (set_got_offset_rex64): New.
10756 * predicates.md (constant_call_address_operand): For large model
10757 constant calls are not possible.
10758 * i386-protos.h (construct_plt_address): Declare.
10759 * i386.c (override_options): Accept large models.
10760 (ix86_expand_prologue): Expand large PIC GOT pointer load.
10761 (legitimate_constant_p): Add new UNSPECs.
10762 (legitimate_pic_operand_p): Likewise.
10763 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
10764 (legitimize_pic_address): Do easy RIP relative way for TLS only for
10765 non-large model.
10766 (output_pic_addr_const): Add PLTOFF.
10767 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
10768 (ix86_expand_move): Legitimize pic address when in PIC mode.
10769 (construct_plt_address): New function.
10770 (ix86_expand_call): Offload the address to register and use GOT pointer
10771 for large model.
10772 * invoke.texi (mcmodel=large): Update documentation.
10773
10774 2007-03-06 Richard Henderson <rth@redhat.com>
10775
10776 * config/i386/i386.c (x86_use_leave, x86_push_memory,
10777 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
10778 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
10779 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
10780 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
10781 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
10782 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
10783 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
10784 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
10785 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10786 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10787 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
10788 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10789 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10790 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
10791 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
10792 x86_schedule, x86_use_bt, x86_pad_returns,
10793 x86_use_xchgb): Merge into ...
10794 (ix86_tune_features): ... here. New array.
10795 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10796 x86_bswap): Merge into ...
10797 (ix86_arch_features): ... here. New array.
10798 (x86_3dnow_a): Remove.
10799 (x86_accumulate_outgoing_args): Make static.
10800 (x86_arch_always_fancy_math_387): Make static.
10801 (ix86_tune_mask, ix86_arch_mask): Move ...
10802 (override_options): ... to local variables here. Apply the
10803 appropriate mask to each element of ix86_arch_features and
10804 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
10805 as were done in the old macros.
10806 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
10807 * config/i386/i386.h (x86_use_leave, x86_push_memory,
10808 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
10809 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
10810 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
10811 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
10812 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
10813 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
10814 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
10815 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
10816 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
10817 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10818 x86_accumulate_outgoing_args, x86_prologue_using_move,
10819 x86_epilogue_using_move, x86_decompose_lea,
10820 x86_arch_always_fancy_math_387, x86_shift1,
10821 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10822 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10823 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
10824 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10825 x86_use_incdec, x86_pad_returns, x86_bswap,
10826 x86_partial_flag_reg_stall): Remove.
10827 (enum ix86_tune_indices): New.
10828 (ix86_tune_features): New.
10829 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
10830 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
10831 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
10832 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
10833 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
10834 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
10835 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
10836 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
10837 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
10838 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
10839 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
10840 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
10841 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
10842 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
10843 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
10844 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
10845 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
10846 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
10847 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
10848 TARGET_EXT_80387_CONSTANTS): Use it.
10849 (enum ix86_arch_indices): New.
10850 (ix86_arch_features): New.
10851 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
10852 TARGET_BSWAP): Use it.
10853 (ix86_tune_mask, ix86_arch_mask): Remove.
10854
10855 2007-03-06 Joseph Myers <joseph@codesourcery.com>
10856
10857 PR bootstrap/31020
10858 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
10859 Define using $${sysroot_headers_suffix}.
10860 * configure: Regenerate.
10861 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
10862 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
10863 defined.
10864 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
10865 * gcc.c (print_sysroot_headers_suffix): New.
10866 (option_map): Include --print-sysroot-headers-suffix.
10867 (display_help): Mention -print-sysroot-headers-suffix.
10868 (process_command): Handle -print-sysroot-headers-suffix.
10869 (do_spec_1): Append multilib directory to include-fixed path if
10870 sysroot suffixes in use.
10871 (main): Handle -print-sysroot-headers-suffix.
10872 * Makefile.in (start.encap): Don't depend on xlimits.h
10873 (xlimits.h): Remove.
10874 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
10875 limits.h for each multilib in fixinc_list.
10876 (fixinc_list, s-fixinc_list): New.
10877 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
10878 generate them for each multilib in fixinc_list.
10879 (stmp-fixproto): Use include-fixed. Run fixproto for each
10880 multilib in fixinc_list.
10881 (mostlyclean): Don't remove xlimits.h.
10882 (clean): Remove include-fixed.
10883 (real-install-headers-tar, real-install-headers-cpio,
10884 real-install-headers-cp): Don't copy include, only include-fixed.
10885 (install-mkheaders): Depend on fixinc_list. Don't depend on
10886 xlimits.h. Save limits.h files for each multilib in fixinc_list.
10887 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
10888 SYSTEM_HEADER_DIR setting in mkheaders.conf.
10889
10890 2007-03-06 Jan Hubicka <jh@suse.cz>
10891
10892 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
10893 NANs easilly.
10894
10895 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10896
10897 * configure.ac: Allow tm_file to contain build-directory files.
10898 * configure: Regenerate.
10899 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
10900 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
10901 * config/m68k/print-sysroot-suffix.sh: New file.
10902
10903 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10904
10905 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
10906 of pic_offset_table_rtx if reload_completed.
10907 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
10908 PIC_OFFSET_TABLE_REGNUM.
10909 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
10910 return true.
10911 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
10912 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
10913
10914 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10915
10916 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10917 functions that call eh_return.
10918
10919 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10920
10921 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10922 functions that need a constant pool.
10923
10924 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10925
10926 PR target/28181
10927 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
10928 (m68k_preferred_reload_class): Likewise.
10929 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
10930 (SECONDARY_RELOAD_CLASS): Define.
10931 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
10932 (LIMIT_RELOAD_CLASS): Delete.
10933 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
10934 registers from storing bytes.
10935 (m68k_secondary_reload_class): New function.
10936 (m68k_preferred_reload_class): Likewise.
10937
10938 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10939
10940 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
10941 leaf functions.
10942 (m68k_expand_prologue): Likewise.
10943
10944 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10945
10946 * config/m68k/m68k-protos.h (output_sibcall): Declare.
10947 (mips_expand_epilogue): Add a bool parameter.
10948 (m68k_legitimize_sibcall_address): Declare.
10949 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
10950 (m68k_expand_epilogue): Add a parameter to select between sibling
10951 and normal epilogues. Only generate a return for the latter.
10952 (m68k_ok_for_sibcall_p): New function.
10953 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
10954 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
10955 (sibcall_value, *sibcall_value): Likewise.
10956 (*call, *call_value): Require !SIBLING_CALL_P.
10957 (epilogue): Update call to m68k_expand_epilogue.
10958 (sibcall_epilogue): New pattern.
10959 * config/m68k/predicates.md (const_call_operand): Say that this
10960 predicate applies to sibling calls too.
10961 (sibcall_operand): New predicate.
10962
10963 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10964
10965 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
10966 alternatives as movsi_cf.
10967 (movsf_cf_hard): Add commentary.
10968
10969 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
10970 Richard Sandiford <richard@codesourcery.com>
10971
10972 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
10973 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
10974 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
10975 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
10976 as being live on exit from an interrupt function.
10977 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
10978 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
10979 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
10980 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
10981 (m68k_interrupt_function_p): Globalize.
10982 (m68k_compute_frame_layout): Remove reverse mask code.
10983 (m68k_emit_movem, m68k_set_frame_related): New functions.
10984 (m68k_output_function_prologue): Delete in favor of...
10985 (m68k_expand_prologue): ...this new function.
10986 (m68k_output_function_epilogue): Delete in favor of...
10987 (m68k_expand_epilogue): ...this new function.
10988 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
10989 functions.
10990 (print_operand): Handle %?.
10991 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
10992 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
10993 (prologue, epilogue): New patterns.
10994 (return): Turn into a define_expand.
10995 (*return): New pattern, derived from old "return" pattern. Use rte
10996 rather than rts for interrupt functions. Only use rtd if the pop
10997 count is nonzero.
10998 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
10999 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
11000 (link, *link, unlink, *unlink, load_got): Likewise.
11001
11002 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11003
11004 PR target/23482
11005 PR target/17114
11006 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
11007 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
11008 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
11009 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
11010 and m68k_matches_u_p.
11011 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
11012 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
11013 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
11014 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
11015 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
11016 (REG_STRICT_P): New macro.
11017 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
11018 PCREL_GENERAL_OPERAND_OK.
11019 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
11020 m68k_legitimate_base_reg_p.
11021 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
11022 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
11023 (PIC_CASE_VECTOR_ADDRESS): Update comment.
11024 * config/m68k/m68k.c (m68k_address): New structure.
11025 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
11026 (m68k_decompose_index, m68k_legitimate_constant_address_p)
11027 (m68k_jump_table_ref_p, m68k_decompose_address)
11028 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
11029 (m68k_matches_u_p): New functions.
11030 (print_operand_address): Rewrite to use m68k_decompose_index.
11031
11032 2007-03-05 David Taylor <dtaylor@emc.com>
11033
11034 * gcc.c: Correct copyright date in --version output.
11035
11036 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11037
11038 * pa.md: In unamed move patterns, disparge copies between general
11039 and floating point registers using '?' modifier. Don't include 'f'
11040 constraint for register preferences in DImode, SImode, HImode and
11041 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
11042 Remove constraints for copies between general and floating registers
11043 in soft-float DFmode pattern.
11044 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
11045 floating register.
11046 (movsf): Likewise.
11047
11048 2007-03-05 Mike Stump <mrs@apple.com>
11049
11050 * c-common.c (targetcm): Add.
11051 * c-opts.c (c_common_handle_option): Handle language specific
11052 target options.
11053 * opts.c (handle_option): Verify language for target options, if
11054 any are given.
11055 * opth-gen.awk: Add CL_LANG_ALL.
11056 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
11057 (TARGETCM_INITIALIZER): Add.
11058 * target.h (struct gcc_targetcm): Add.
11059 (targetcm): Add.
11060 * targhooks.c (default_handle_c_option): Add.
11061 * targhooks.h (default_handle_c_option): Add.
11062 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
11063
11064 * config/darwin.opt (iframework): Add.
11065 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
11066 * config/darwin-c.c (handle_c_option): Add.
11067 (TARGET_HANDLE_C_OPTION): Add.
11068 (targetcm): Add.
11069 * doc/invoke.texi (Darwin Options): Add -iframework.
11070
11071 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11072
11073 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
11074 conversion.
11075
11076 2007-03-05 Ian Lance Taylor <iant@google.com>
11077
11078 * c.opt (fgnu89-inline): New option.
11079 * c-opts.c (c_common_post_options): Set default value for
11080 flag_gnu89_inline.
11081 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
11082 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
11083 inline functions.
11084 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
11085 (grokdeclarator, start_function): Likewise.
11086 * c-cppbuiltin.c (c_cpp_builtins): Define either
11087 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
11088 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
11089 (C Dialect Options): Document -fgnu89-inline.
11090 * doc/extend.texi (Function Attributes): Explain what the
11091 gnu_inline attribute does.
11092 * doc/cpp.texi (Common Predefined Macros): Document
11093 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
11094
11095 2007-03-05 Ian Lance Taylor <iant@google.com>
11096
11097 PR tree-optimization/31034
11098 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
11099 half-range if the other side is an overflow infinity.
11100
11101 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
11102
11103 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
11104 (bfin*-linux-uclibc*): New configuration.
11105 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
11106 defining.
11107 * config/bfin/linux.h: New file.
11108 * config/bfin/libgcc-bfin.ver: New file.
11109 * config/bfin/t-bfin-uclinux: New file.
11110 * config/bfin/t-bfin-linux: New file.
11111 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
11112 (TARGET_OS_CPP_BUILTINS): New macro.
11113
11114 2007-03-05 Richard Guenther <rguenther@suse.de>
11115
11116 * fold-const.c (fold_binary): Remove duplicate folding
11117 of comparison of non-null ADDR_EXPR against null.
11118
11119 2007-03-05 Richard Guenther <rguenther@suse.de>
11120 Dorit Nuzman <dorit@il.ibm.com>
11121
11122 PR tree-optimization/26420
11123 * tree-vectorizer.c (vectorize_loops): Bail out early if there
11124 are no loops in the function. Only print the number of
11125 vectorized loops if it is greater than zero or we are supposed
11126 to print information about unvectorized loops.
11127
11128 2007-03-05 Revital Eres <eres@il.ibm.com>
11129
11130 * gcc.dg/var-expand1.c: New test.
11131 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
11132 when an accumulator is expanded.
11133
11134 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11135
11136 PR other/30465
11137 * c-common.c (convert_and_check): Don't give warnings for
11138 conversion if 'expr' already overflowed.
11139
11140 2007-03-04 Roger Sayle <roger@eyesopen.com>
11141
11142 PR middle-end/30744
11143 * fold-const.c (fold_comparison): Enforce type consistency when
11144 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
11145
11146 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
11147
11148 * tree-ssa-address.c (create_mem_ref): Do not put an expression
11149 containing a cast to the base of TARGET_MEM_REF.
11150
11151 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
11152
11153 * tree.c (tree_contains_struct_check_failed): Remove spurious
11154 whitespace from error message.
11155
11156 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
11157
11158 PR target/30406
11159 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
11160 instead of precision.
11161
11162 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
11163 Nathan Sidwell <nathan@codesourcery.com>
11164
11165 * emit-rtl.c (find_auto_inc): New.
11166 (try_split): recreate REG_INC notes,
11167 Use regular for loops rather than whiles.
11168
11169 2007-03-03 Andreas Schwab <schwab@suse.de>
11170
11171 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
11172 * configure: Regenerate.
11173
11174 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11175
11176 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
11177 flag_rounding_math, not flag_unsafe_math_optimizations.
11178
11179 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
11180 fold_build2.
11181 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
11182 alpha_fold_vector_minmax): Likewise.
11183 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11184 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
11185
11186 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11187
11188 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
11189 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
11190 if the lhs has side-effects.
11191 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
11192
11193 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11194
11195 * config/i386/i386.h (TUNEMASK): Remove define.
11196 (ARCHMASK): Remove define.
11197 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
11198 Use ix86_arch_mask variable instead of ARCHMASK.
11199 * config/i386/i386.c (override_options): Ditto.
11200 (standard_80387_constant_p): Ditto.
11201
11202 2007-03-02 Ian Lance Taylor <iant@google.com>
11203
11204 Used signed infinities in VRP.
11205 * tree-vrp.c (uses_overflow_infinity): New static function.
11206 (supports_overflow_infinity): New static function.
11207 (make_overflow_infinity): New static function.
11208 (negative_overflow_infinity): New static function.
11209 (positive_overflow_infinity): New static function.
11210 (is_negative_overflow_infinity): New static function.
11211 (is_positive_overflow_infinity): New static function.
11212 (is_overflow_infinity): New static function.
11213 (overflow_infinity_range_p): New static function.
11214 (compare_values_warnv): New function split out of compare_values.
11215 (compare_value): Call it.
11216 (set_value_range_to_nonnegative): Add overflow_infinity
11217 parameter. Change caller.
11218 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
11219 Change callers.
11220 (vrp_expr_computes_nonzero): Likewise.
11221 (compare_ranges, compare_range_with_value): Likewise.
11222 (compare_name_with_value, compare_names): Likewise.
11223 (vrp_evaluate_conditional): Likewise.
11224 (set_value_range): Handle infinity
11225 (vrp_operand_equal_p, operand_less_p): Likewise.
11226 (extract_range_from_assert): Likewise.
11227 (vrp_int_const_binop): Likewise.
11228 (extract_range_from_binary_expr): Likewise.
11229 (extract_range_from_unary_expr): Likewise.
11230 (extract_range_from_comparison): Likewise.
11231 (extract_range_from_expr): Likewise.
11232 (dump_value_range): Likewise.
11233 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
11234 (test_for_singularity): Likewise.
11235 (vrp_int_const_binop): Remove inline qualifier.
11236 (adjust_range_with_scev): Add comment.
11237 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11238
11239 2007-03-02 Diego Novillo <dnovillo@redhat.com>
11240
11241 * tree-ssa-structalias.c (could_have_pointers): Tidy.
11242 (get_constraint_for): Likewise.
11243 (do_structure_copy): Likewise.
11244 (find_func_aliases): Fix references to MODIFY_EXPR.
11245 (intra_create_variable_infos): Tidy.
11246 * tree-ssa-operands.c (add_virtual_operand): Add argument
11247 IS_CALL_SITE.
11248 When adding members of alias sets, if IS_CALL_SITE is true and
11249 the symbol is not call-clobbered, skip it.
11250 Adjust all callers.
11251
11252 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11253
11254 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
11255 entry by means of emit_insn_at_entry.
11256
11257 2007-03-02 Richard Henderson <rth@redhat.com>
11258
11259 * expr.h (promoted_input_arg): Remove decl.
11260 * function.c (promoted_input_arg): Merge into ...
11261 * combine.c (setup_incoming_promotions): ... only caller.
11262 Rearrange to avoid double loop.
11263
11264 2007-03-02 Ben Elliston <bje@au.ibm.com>
11265 Peter Bergner <bergner@vnet.ibm.com>
11266 Janis Johnson <janis187@us.ibm.com>
11267
11268 * config/rs6000/dfp.md: New file.
11269 * config/rs6000/rs6000.md: Include dfp.md.
11270 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
11271 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
11272 and TDmode decimal float modes in FP registers.
11273 (num_insns_constant): Likewise.
11274 (rs6000_legitimate_offset_address_p): Likewise.
11275 (rs6000_legitimize_address): Likewise.
11276 (rs6000_legitimize_reload_address): Likewise.
11277 (rs6000_legitimate_address): Likewise.
11278 (rs6000_emit_move): Likewise.
11279 (function_arg_boundary): Likewise.
11280 (function_arg_advance): Likewise.
11281 (rs6000_darwin64_record_arg_recurse): Likewise.
11282 (function_arg): Likewise.
11283 (rs6000_gimplify_va_arg): Likewise.
11284 (rs6000_split_multireg_move): Likewise.
11285 (rs6000_output_function_epilogue): Likewise.
11286 (rs6000_output_function_epilogue): Likewise.
11287 (rs6000_register_move_cost): Likewise.
11288 (rs6000_function_value): Likewise.
11289 (rs6000_libcall_value): Likewise.
11290
11291 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11292
11293 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
11294
11295 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11296
11297 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
11298 Use $MULTIDIR to choose between the kernel and RTP headers,
11299 and use $WIND_BASE and $WIND_USR to locate them.
11300
11301 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11302
11303 * config/i386/i386.c (override_options): Put initialization of
11304 ix86_tune_mask and ix86_arch_mask to the correct place.
11305
11306 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11307 Michael Meissner <michael.meissner@amd.com>
11308
11309 PR target/31019
11310 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
11311 (ARCHMASK): Define.
11312 (TARGET_CMOVE): Use ARCHMASK.
11313 (TARGET_CMPXCHG): Ditto.
11314 (TARGET_CMPXCHG8B): Ditto.
11315 (TARGET_XADD): Ditto.
11316 (TARGET_BSWAP): Ditto.
11317 * config/i386/i386.c (ix86_tune_mask): New global variable.
11318 (ix86_arch_mask): Ditto.
11319 (override_options): Initialize ix86_tune_mask and
11320 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
11321 target_flags.
11322
11323 2007-03-02 Ben Elliston <bje@au.ibm.com>
11324
11325 PR 30992
11326 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
11327
11328 2007-03-02 Joseph Myers <joseph@codesourcery.com>
11329
11330 * target.h (init_dwarf_reg_sizes_extra): New target hook.
11331 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
11332 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
11333 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
11334 hook.
11335 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
11336 rs6000_init_dwarf_reg_sizes_extra): New.
11337 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
11338 SPE register high parts.
11339
11340 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
11341
11342 * Makefile.in: Add install-pdf target as
11343 copied from automake v1.10 rules.
11344 * configure.ac: Add install-pdf to target list.
11345 * configure: Regenerate.
11346
11347 2007-03-01 Paul Brook <paul@codesourcery.com>
11348
11349 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
11350 modes to LDRD for DImode.
11351 (output_move_double): Fixup out of range ldrd/strd.
11352 (vfp_secondary_reload_class): Rename...
11353 (coproc_secondary_reload_class): ... to this. Add wb argument.
11354 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
11355 coproc_secondary_reload_class for CLASS_IWMMXT.
11356 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
11357 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
11358
11359 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
11360
11361 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
11362 factor by the estimated number of iterations.
11363 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
11364 prefetch latency.
11365
11366 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
11367 decode_caches_intel, detect_caches_intel): New functions.
11368 (host_detect_local_cpu): Use detect_caches_amd and
11369 detect_caches_intel.
11370
11371 2007-03-01 Richard Henderson <rth@redhat.com>
11372
11373 * expr.c (emit_move_complex_push): Export.
11374 (emit_move_complex_parts): Split out from ...
11375 (emit_move_complex): ... here.
11376 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
11377 * config/i386/i386.md (movcdi): New.
11378
11379 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
11380
11381 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
11382 size of mode1 to check for tieable modes in MMX case.
11383
11384 2007-03-01 Richard Sandiford <richard@codesourcery.com>
11385
11386 * Makefile.in (rtlanal.o): Depend on tree.h.
11387 * rtl.h (offset_within_section_p, split_const): Declare.
11388 * rtlanal.c: Include tree.h.
11389 (offset_within_block_p): New function, taken from
11390 mips_offset_within_object_p.
11391 (split_const): New function, taken from mips_split_const.
11392 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
11393 Declare.
11394 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
11395 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
11396 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
11397 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11398 (m68k_illegitimate_symbolic_constant_p): New function.
11399 * config/m68k/m68k.md (movsi): Remove misleading predicates.
11400 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
11401 symbolic constant that might be outside the symbol's section,
11402 move the symbol first and then add the offset.
11403 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
11404 Override.
11405 * config/mips/mips.c (mips_split_const): Delete.
11406 (mips_offset_within_object_p): Delete.
11407 (mips_symbolic_constant_p): Use offset_within_section_p and
11408 split_const instead of mips_offset_within_object_p and
11409 mips_split_const.
11410 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
11411 (mips_legitimize_const_move, print_operand_reloc)
11412 (mips_dangerous_for_la25_p): Use split_const instead of
11413 mips_split_const.
11414
11415 2007-02-28 Eric Christopher <echristo@apple.com>
11416
11417 * Makefile.in (install-include-dir): Don't rm -rf include.
11418
11419 2007-02-28 Richard Guenther <rguenther@suse.de>
11420
11421 PR middle-end/30364
11422 * fold-const.c (fold_binary): Do not associate expressions
11423 with more than one variable for integer types that do not wrap.
11424
11425 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
11426
11427 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
11428 Delete, and replace with...
11429 (fold_builtin_call_array): This. Update callers to use it.
11430 * fold-const.c (fold_build_call_list): Delete, and replace with...
11431 (fold_build_call_array): This.
11432 (fold_build_call_list_initializer): Delete, and replace with...
11433 (fold_build_call_array_initializer): This.
11434 * tree.h: Update declarations to reflect above changes.
11435
11436 * c-typeck.c (build_function_call): Store converted arguments
11437 in a stack-allocated array instead of building a list.
11438 (convert_arguments): Store arguments in the array passed in as an
11439 argument, and return the actual number of arguments.
11440 * c-format.c: (check_function_format): Pass arguments in an
11441 array instead of a list.
11442 * c-common.c (check_function_nonnull): Likewise.
11443 (check_function_sentinel): Likewise.
11444 (check_function_arguments): Likewise.
11445 * c-common.h: Update declarations to reflect above changes.
11446
11447 2007-02-28 Jan Hubicka <jh@suse.cz>
11448
11449 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
11450 PRED_NEGATIVE_RETURN): Update outcomes.
11451
11452 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
11453
11454 * calls.c (emit_library_call_value_1): Handle partial registers
11455 correctly when building up CALL_INSN_FUNCTION_USAGE.
11456
11457 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11458
11459 * pa/predicates.md (move_src_operand): Allow zero for mode.
11460 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
11461 move pattern.
11462
11463 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
11464
11465 PR target/30970
11466 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
11467 *movv2df_internal): Enable pattern only for valid operand
11468 combinations.
11469 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
11470 tie only 128bit modes. For MMX registers, tie only 64bit modes.
11471
11472 2007-02-27 Mike Stump <mrs@apple.com>
11473
11474 * config/darwin-crt3.c: Avoid compilation when compiling for a
11475 kext multilib.
11476
11477 2007-02-27 Joseph Myers <joseph@codesourcery.com>
11478
11479 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
11480 FIXED_INCLUDE_DIR.
11481 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
11482 for fixed headers and limits.h.
11483 (install-include-dir, install-headers-tar, install-headers-cpio,
11484 install-headers-cp, real-install-headers-tar,
11485 real-install-headers-cpio, real-install-headers-cp): Handle
11486 include-fixed as well as include.
11487 (install-mkheaders): Don't install files that go only in include
11488 not include-fixed.
11489 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
11490 from GCC_INCLUDE_DIR.
11491 * gcc.c (process_command): Remove special -BstageN/ handling.
11492 (do_spec_1): Add include-fixed directories.
11493
11494 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11495
11496 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
11497 _smulsi3_highpart.
11498 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
11499 New functions.
11500 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
11501 patterns.
11502
11503 2007-02-27 Mark Mitchell <mark@codesourcery.com>
11504
11505 * c-common.c (get_priority): Add check for
11506 SUPPORTS_INIT_PRIORITY.
11507
11508 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11509
11510 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
11511
11512 * config/bfin/bfin.c: Include "cfglayout.h".
11513 (MAX_LSETUP_DISTANCE): New macro.
11514 (struct loop_info): New members incoming, incoming_src and
11515 incoming_dest. Delete member predecessor.
11516 (length_for_loop): New function.
11517 (bfin_optimize_loop): Handle more different loop structures.
11518 (bfin_discover_loop): Rework detection of predecessor blocks by
11519 examining incoming edges.
11520 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
11521 bfin_reorg_loops.
11522 (bfin_reorder_loops): New function.
11523 (bfin_reorg_loops): Use these three new functions.
11524
11525 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
11526 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
11527 (CONSTRAINT_LEN): Add entry for 'q'.
11528 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
11529 Add 'q' constraints.
11530 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
11531 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
11532
11533 * config/bfin/bfin.md (add_with_carry): New pattern.
11534 (s_or_u, su_optab, su_modifier): New code macros/attrs.
11535 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
11536 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
11537 support unsigned multiplies too. Removed incorrect commutativity from
11538 operand 1 constraint where appropriate.
11539 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
11540 patterns.
11541 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
11542 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
11543 New patterns.
11544 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
11545 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
11546 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
11547 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
11548 usmulhisi_hh_huh): New patterns.
11549
11550 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
11551 lshifthi3): Fix output template to use half reg for operand 2.
11552
11553 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
11554 instead of R2.
11555
11556 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
11557
11558 2007-02-27 Andreas Schwab <schwab@suse.de>
11559
11560 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
11561
11562 2007-02-27 Jan Hubicka <jh@suse.cz>
11563
11564 * predict.c (last_basic_block_p): Remove.
11565 (tree_estimate_probability): Update return heuristic for commonized
11566 return blocks.
11567
11568 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11569
11570 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
11571
11572 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11573
11574 * doc/include/gcc-common.texi (versionsubtitle): New macro.
11575 * doc/cpp.texi: Standardize title page.
11576 * doc/cppinternals.texi: Likewise.
11577 * doc/gcc.texi: Standardize title page, remove version number
11578 from copyright page.
11579 * doc/gccint.texi: Likewise.
11580 * doc/install.texi: Standardize title page, add table of
11581 contents.
11582
11583 2007-02-26 Jan Hubicka <jh@suse.cz>
11584
11585 * predict.def: Set outcomes according to more recent results.
11586 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
11587 Remove dead predictors.
11588 * predict.c (return_prediction): Fix pasto.
11589
11590 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11591
11592 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
11593 change; avoid a memory leak when returning early.
11594
11595 2007-02-26 Mark Mitchell <mark@codesourcery.com>
11596
11597 * c-decl.c (static_ctors): Move to c-common.c.
11598 (static_dtors): Likewise.
11599 (finish_function): Use c_record_cdtor_fn.
11600 (build_cdtor): Move to c-common.c.
11601 (c_write_global_declarations): Use c_build_cdtor_fns.
11602 * c-common.h (static_ctors): Declare.
11603 (static_dtors): Likewise.
11604 (c_record_cdtor_fn): Likewise.
11605 (c_build_cdtor_fns): Likewise.
11606 * c-common.c (static_ctors): New variable.
11607 (static_dtors): Likewise.
11608 (c_record_cdtor_fn): New function.
11609 (build_cdtor): Move from c-decl.c
11610 (c_build_cdtor_fns): New function.
11611
11612 * output.h (assemble_addr_to_section): Declare.
11613 (get_cdtor_priority_section): Likewise.
11614 * varasm.c (assemble_addr_to_section): New function.
11615 (get_cdtor_priority_section): Likewise.
11616 (default_named_section_asm_out_destructor): Use them.
11617 (destor_dtor_section_asm_out_destructor): Likewise.
11618 (default_named_section_asm_out_constructor): Likewise.
11619 (default_ctor_section_asm_out_constructor): Likewise.
11620 * config.gcc (*-*-vxworks*): Include vxworks.o.
11621 * config/t-vxworks (vxworks.o): New target.
11622 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
11623 (TARGET_ASM_CONSTRUCTOR): Define.
11624 (TARGET_ASM_DESTRUCTOR): Likewise.
11625 (vxworks_asm_out_constructor): Declare.
11626 (vxworks_asm_out_destructor): Likewise.
11627
11628 * c-common.c (get_priority): Check that we have not just an
11629 INTEGER_CST, but an integer constant with integeral type.
11630
11631 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
11632
11633 PR tree-optimization/30938
11634 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
11635 use &dt[nargs-1] instead of &dt[nargs] in the call to
11636 vect_is_simple_use().
11637
11638 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
11639
11640 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
11641 from register elimination as PRE_MODIFY / POST_MODIFY increments.
11642 Do not attempt to handle MEM inside auto-inc expressions.
11643 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
11644 of a register modified by an auto-inc expression. However, do handle
11645 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
11646 (elimination_effects): Prohibit elimination of a register modified
11647 by an auto-inc expression. Disable register elimination rules whose
11648 target register is modified by an auto-inc expression with variable
11649 increment.
11650
11651 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
11652
11653 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
11654 off-by-one error.
11655 (array_at_struct_end_p): New function.
11656 (idx_infer_loop_bounds): Use it.
11657 (estimate_numbers_of_iterations_loop): Export.
11658 * predict.c (predict_loops): Use estimated_loop_iterations_int.
11659 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
11660 (tree_estimate_probability): Call record_loop_exits.
11661 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
11662 (estimated_loop_iterations, estimated_loop_iterations_int,
11663 estimated_loop_iterations_tree): New functions.
11664 (analyze_siv_subscript_cst_affine,
11665 compute_overlap_steps_for_affine_1_2,
11666 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
11667 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
11668 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
11669 (PRED_LOOP_ITERATIONS_GUESSED): New.
11670 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
11671 * cfgloop.h (estimate_numbers_of_iterations_loop,
11672 estimated_loop_iterations_int): Declare.
11673
11674 2007-02-25 Mark Mitchell <mark@codesourcery.com>
11675
11676 * doc/extend.texi: Document optional priority argument to
11677 constructors and destructors.
11678 * tree.c (init_priority_for_decl): Adjust GTY markers.
11679 (init_ttree): Use priority-info hash functions for
11680 init_priority_for_decl.
11681 (tree_map_eq): Rename to ...
11682 (tree_map_base_eq): ... this.
11683 (tree_map_marked_p): Rename to ...
11684 (tree_map_base_marked_p): ... this.
11685 (tree_map_base_hash): New function.
11686 (decl_init_priority_lookup): Rework.
11687 (decl_fini_priority_lookup): New function.
11688 (decl_priority_info): New function.
11689 (decl_init_priority_insert): Use it.
11690 (decl_fini_priority_insert): Likewise.
11691 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
11692 hierarchy.
11693 (decl_restrict_base_insert): Likewise.
11694 (decl_debug_expr_insert): Likewise.
11695 (decl_value_expr_lookup): Likewise.
11696 (decl_value_expr_insert): Likewise.
11697 * tree.h (priority_type): New type.
11698 (decl_init_priority_lookup): Use priority_type.
11699 (decl_fini_priority_lookup): New function.
11700 (decl_init_priority_insert): Use priority_type.
11701 (decl_fini_priority_insert): New function.
11702 (DECL_HAS_INIT_PRIORITY): Tweak comments.
11703 (DECL_INIT_PRIORITY): Likewise.
11704 (SET_DECL_INIT_PRIORITY): Add comment.
11705 (DECL_FINI_PRIORITY): New macro.
11706 (SET_DECL_FINI_PRIORITY): Likewise.
11707 (DEFAULT_INIT_PRIORITY): Document.
11708 (MAX_INIT_PRIORITY): Likewise.
11709 (MAX_RESERVED_INIT_PRIORITY): Likewise.
11710 (tree_map_base): New type.
11711 (tree_map_base_eq): New function.
11712 (tree_map_base_hash): Likewise.
11713 (tree_map_base_marked_p): Likewise.
11714 (tree_map): Inherit from tree_map_base.
11715 (tree_map_eq): Make it a macro.
11716 (tree_map_marked_p): Likewise.
11717 (tree_int_map): Inherit from tree_map_base.
11718 (tree_int_map_eq): Make it a macro.
11719 (tree_int_map_hash): Likewise.
11720 (tree_int_map_marked_p): Likewise.
11721 (tree_priority_map): New type.
11722 (tree_priority_map_eq): New macro.
11723 (tree_priority_map_hash): Likewise.
11724 (tree_priority_map_marked_p): Likewise.
11725 * varasm.c (emults_decl): Adjust for refactoring of tree_map
11726 hierarchy.
11727 (emutls_common_1): Likewise.
11728 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
11729 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
11730 of tree_map hierarchy.
11731 * tree-cfg.c (move_stmt_r): Likewise.
11732 (new_label_mapper): Likewise.
11733 * c-tree.h (c_expand_body): Move to ...
11734 * c-common.h (c_expand_body): ... here.
11735 * c-decl.c (c_expand_body): Move to ...
11736 * c-common.c (c_expand_body): ... here.
11737 (c_common_attribute_table): Allow 1 argument for the constructor
11738 and destructor attributes.
11739 (get_priority): New function.
11740 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
11741 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
11742
11743 2007-02-24 Jan Hubicka <jh@suse.cz>
11744
11745 PR middle-end/30509
11746 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
11747
11748 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11749 Jan Hubicka <jh@suse.cz>
11750
11751 PR target/30778
11752 * i386.c (counter_mode): New function.
11753 (expand_set_or_movmem_via_loop): Use it.
11754 (expand_movmem_epilogue): Likewise; fix pasto.
11755 (ix86_expand_movmem): Do emit guard even for constant counts.
11756 (ix86_expand_setmem): Likewise.
11757
11758 2007-02-25 Nick Clifton <nickc@redhat.com>
11759
11760 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
11761 (JUMP_TABLES_IN_TEXT_SECTION): Define.
11762
11763 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11764
11765 PR target/30770
11766 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
11767 count argument with 0x10, not with 0x16.
11768 (expand_setmem_epilogue): Ditto.
11769
11770 2007-02-24 Mike Stump <mrs@apple.com>
11771
11772 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
11773 symbols.
11774
11775 2007-02-24 Richard Guenther <rguenther@suse.de>
11776
11777 PR middle-end/30951
11778 * fold-const.c (fold_binary): Fold x +- CST op x for
11779 EQ_EXPR and NE_EXPR.
11780
11781 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11782
11783 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
11784
11785 2007-02-24 Jan Hubicka <jh@suse.cz>
11786
11787 * cgraphunit.c (decide_is_function_needed): Honor
11788 -fkeep-inline-functions.
11789
11790 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11791
11792 * builtins.c (fold_builtin_modf): New.
11793 (fold_builtin_2): Use it.
11794
11795 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
11796
11797 * loop-iv.c (implies_p): Detect additional cases where A implies B.
11798 (determine_max_iter): Take additional LOOP arg; all callers changed.
11799 Lose broken logic dealing with PLUS. Try to limit the upper bound by
11800 one using simplifications.
11801 (simplify_using_initial_values): Return if the expression becomes
11802 invalid due to altered regs.
11803
11804 2007-02-23 DJ Delorie <dj@redhat.com>
11805
11806 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
11807
11808 2007-02-23 Mike Stump <mrs@apple.com>
11809
11810 * tlink.c (scan_linker_output): Parse linker messages from
11811 darwin9's linker better.
11812
11813 2007-02-23 Steve Ellcey <sje@cup.hp.com>
11814
11815 PR debug/29614
11816 * varpool.c (varpool_assemble_pending_decls): Set
11817 varpool_last_needed_node to null.
11818
11819 2007-02-23 DJ Delorie <dj@redhat.com>
11820
11821 * config/i386/i386.c (ix86_data_alignment): Don't specify an
11822 alignment bigger than the object file can handle.
11823
11824 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
11825
11826 PR target/30825
11827 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
11828 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
11829 (*movsf_1): Penalize MMX moves.
11830
11831 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
11832
11833 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
11834 2^32-1 or more times unless flag_unsafe_loop_optimizations.
11835
11836 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
11837
11838 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11839
11840 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
11841 (fold_builtin_1): Use them.
11842 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
11843 BUILT_IN_SIGNIFICAND.
11844
11845 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
11846
11847 * config/i386/i386.c (bdesc_1arg): Initialize
11848 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
11849 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
11850 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
11851 and IX86_BUILTIN_MOVSLDUP.
11852
11853 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
11854
11855 PR rtl-optimization/30841
11856 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
11857
11858 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11859
11860 * builtins.c (fold_builtin_frexp): New.
11861 (fold_builtin_2): Use it.
11862
11863 2007-02-22 Mark Mitchell <mark@codesourcery.com>
11864
11865 * doc/invoke.texi (Spec Files): Document getenv spec function.
11866
11867 * gcc.c (getenv_spec_function): New function.
11868 (static_spec_functions): Add it.
11869 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
11870 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
11871 header files.
11872
11873 2007-02-22 Michael Matz <matz@suse.de
11874
11875 PR c++/29433
11876 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
11877 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
11878
11879 2007-02-22 Ian Lance Taylor <iant@google.com>
11880
11881 PR debug/30898
11882 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
11883 (mem_loc_descriptor): Call it.
11884
11885 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
11886 Ira Rosen <irar@il.ibm.com>
11887
11888 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
11889
11890 2007-02-22 Ira Rosen <irar@il.ibm.com>
11891
11892 PR tree-optimization/30843
11893 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
11894 stores only after all the group is vectorized.
11895
11896 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
11897
11898 PR tree-optimization/30858
11899 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
11900 in the reduction cycle have a single use in the loop.
11901 * tree-vectorizer.h (relevant): Add documentation.
11902
11903 2007-02-20 Mike Stump <mrs@apple.com>
11904
11905 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
11906 * configure: Regenerate.
11907
11908 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
11909
11910 Change the defaults of some parameters and options.
11911 * config/spu/spu-protos.h (spu_optimization_options): Declare.
11912 * config/spu/spu.c (spu_optimization_options): Add.
11913 (spu_override_options): Change params in spu_optimization_options.
11914 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
11915
11916 Register 127 is only 16 byte aligned when used as a frame pointer.
11917 * config/spu/spu-protos.h (spu_init_expanders): Declare.
11918 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
11919 HARD_FRAME_POINTER_REGNUM.
11920 (spu_legitimate_address): Use regno_aligned_for_reload.
11921 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
11922 aligned when frame_pointer_needed is true.
11923 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
11924 to 8 bits.
11925 * config/spu/spu.h (INIT_EXPANDERS): Define.
11926
11927 Make sure shift and rotate instructions have valid immediate operands.
11928 * config/spu/predicates.md (spu_shift_operand): Remove.
11929 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
11930 * config/spu/constraints.md (W, O): Extend range.
11931 * config/spu/spu.md (umask, nmask): Define.
11932 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
11933 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
11934 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
11935 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
11936 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
11937 (lshr<mode>3_reg): Fix rtl description.
11938
11939 Make sure mulhisi immediate operands are valid.
11940 * config/spu/predicates.md (imm_K_operand): Add.
11941 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
11942
11943 Generate constants using fsmbi and andi.
11944 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
11945 (print_operand, spu_split_immediate, classify_immediate,
11946 fsmbi_const_p): Handle IC_FSMBI2.
11947
11948 Correctly handle a CONST_VECTOR containing symbols.
11949 * config/spu/spu.c (print_operand): Handle HIGH correctly.
11950 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
11951 (immediate_load_p): Allow symbols that use 2 instructions to create.
11952 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
11953 with symbols when flag_pic is set.
11954 (const_vector_immediate_p): New.
11955 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
11956 accept a CONST_VECTOR with symbols.
11957 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
11958 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
11959 correctly.
11960 * config/spu/spu.md (high, low): Delete.
11961 (low_<mode>): Define.
11962
11963 Remove INTRmode and INTR_REGNUM, which didn't work.
11964 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
11965 of INTR_REGNUM.
11966 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
11967 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
11968 peephole2 pattern): Don't use INTR or 131.
11969 (movintrcc): Delete.
11970 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
11971 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
11972 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
11973 (UNSPEC_SET_INTR): Add.
11974 * config/spu/spu-modes.def (INTR): Remove.
11975
11976 More accurate warnings about run-time relocations.
11977 * config/spu/spu.c (reloc_diagnostic): Test in_section.
11978
11979 Correctly warn about immediate arguments to specific intrinsics.
11980 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
11981 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
11982 the instruction predicate.
11983
11984 Fix tree check errors with latest update.
11985 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
11986 CALL_EXPR_ARG.
11987 (spu_expand_builtin): Use CALL_EXPR_FN.
11988
11989 Add missing specific intrinsics.
11990 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
11991 si_bislede.
11992 * config/spu/spu_internals.h: Ditto.
11993
11994 Fix incorrect operand modifiers.
11995 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
11996 * config/spu/spu.md (xor<mode>3): Change %S to %J.
11997
11998 Optimize one case of zero_extend of a vec_select.
11999 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
12000
12001 Accept any immediate for hbr.
12002 * config/spu/spu.md (hbr): Change s constraints to i.
12003
12004 2007-02-21 Paul Brook <paul@codesourcery.com>
12005
12006 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
12007 condexec_count when skipping USE and CLOBBER.
12008
12009 2007-02-21 Nick Clifton <nickc@redhat.com>
12010
12011 * common.opt (Warray-bounds): Add Warning attribute.
12012 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
12013 Likewise.
12014 (fsized-zeroes): Add Optimization attribute.
12015 (fsplit-wide-types, ftree-scev-cprop): Likewise.
12016 * c.opt (Wc++0x-compat): Add Warning attribute.
12017
12018 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
12019
12020 PR middle-end/30761
12021 * reload1.c (eliminate_regs_in_insn): In the single_set special
12022 case, attempt to re-recognize the insn before falling back to
12023 having reload fix it up.
12024
12025 2007-02-20 Eric Christopher <echristo@gmail.com>
12026
12027 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
12028 Rewrite accordingly.
12029 (frv_read_iacc_argument): Ditto.
12030 (frv_expand_set_builtin): Take a call instead of arglist, update for
12031 above changes.
12032 (frv_expand_unop_builtin): Ditto.
12033 (frv_expand_binop_builtin): Ditto.
12034 (frv_expand_cut_builtin): Ditto.
12035 (frv_expand_binopimm_builtin): Ditto.
12036 (frv_expand_voidbinop_builtin): Ditto.
12037 (frv_expand_int_void2arg): Ditto.
12038 (frv_expand_prefetches): Ditto.
12039 (frv_expand_voidtriop_builtin): Ditto.
12040 (frv_expand_voidaccop_builtin): Ditto.
12041 (frv_expand_load_builtin): Ditto.
12042 (frv_expand_store_builtin): Ditto.
12043 (frv_expand_mdpackh_builtin): Ditto.
12044 (frv_expand_mclracc_builtin): Ditto.
12045 (frv_expand_mrdacc_builtin): Ditto.
12046 (frv_expand_mwtacc_builtin): Ditto.
12047 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
12048 calls for above.
12049
12050 2007-02-20 Janis Johnson <janis187@us.ibm.com>
12051
12052 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
12053 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
12054 cmpb instruction.
12055 (HAVE_GAS_DFP): Check for assembler support of decimal floating
12056 point instructions.
12057 * configure: Regenerate.
12058 * config.in: Regenerate.
12059 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
12060 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
12061 masks to power6 and power6x and to POWERPC_MASKS.
12062 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12063 _ARCH_PWR6.
12064 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
12065 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
12066 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
12067 Access PROTOTYPE as variable, not mask.
12068
12069 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12070
12071 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
12072 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
12073 * combine.c (adjust_for_new_dest): Use it.
12074 * postreload.c (reload_combine): Likewise.
12075
12076 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12077
12078 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
12079 notes on an insn with multiple sets, even if single_set returns
12080 non-NULL for that insn.
12081
12082 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12083
12084 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
12085 scalbn and scalbln.
12086
12087 2007-02-20 Geoffrey Keating <geoffk@apple.com>
12088
12089 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
12090 if user didn't pass it.
12091 * config/i386/darwin.h (CC1_SPEC): Likewise.
12092 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
12093 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
12094 -mmacosx-version-min.
12095
12096 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12097 Uros Bizjak <ubizjak@gmail.com>
12098
12099 * optabs.h (enum optab_index): Add new OTI_scalb.
12100 (scalb_optab): Define corresponding macro.
12101 * optabs.c (init_optabs): Initialize scalb_optab.
12102 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
12103 patterns.
12104 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
12105 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
12106 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12107 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
12108 flag_unsafe_math_optimizations is set.
12109
12110 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
12111 to implement scalbf, scalb and scalbl built-ins as inline x87
12112 intrinsics.
12113
12114 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12115 DJ Delorie <dj@redhat.com>
12116
12117 PR other/30824
12118 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
12119 (diagnostic_report_diagnostic): ... here, and turn them into real
12120 errors. If warnings are inhibited, no need to do anything.
12121
12122 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
12123
12124 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
12125 better code generation.
12126
12127 2007-02-20 Ben Elliston <bje@au.ibm.com>
12128
12129 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
12130
12131 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
12132
12133 * config/alpha/alpha.c, config/alpha/alpha.md,
12134 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
12135 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
12136 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
12137 config/arm/lib1funcs.asm: Follow spelling conventions.
12138
12139 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
12140 config/fr30/fr30.md, config/i386/i386.h,
12141 config/iq2000/iq2000.h, config/iq2000/predicates.md,
12142 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
12143 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
12144 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
12145 config/rs6000/altivec.md, config/rs6000/rs6000.c,
12146 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
12147 config/sparc/sparc.c, config/sparc/sparc.h,
12148 config/sparc/sparc.md, config/spu/constraints.md,
12149 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
12150 conventions.
12151
12152 2007-02-20 Alan Modra <amodra@bigpond.net.au>
12153
12154 PR target/29943
12155 * varasm.c (use_blocks_for_decl_p): Return false for decls with
12156 alias attribute.
12157
12158 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12159
12160 * doc/invoke.texi (-ftree-lrs): Remove.
12161
12162 2007-02-19 Diego Novillo <dnovillo@redhat.com>
12163
12164 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
12165 NULL.
12166
12167 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
12168
12169 * config/ia64/ia64.c (ia64_expand_builtin): Use the
12170 new CALL_EXPR_FN macro for retrieving the function
12171 declaration of the input expression.
12172
12173 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12174
12175 * c.opt (Waddress): New.
12176 * common.opt (Walways-true): Delete.
12177 (Wstring-literal-comparison): Delete.
12178 * doc/invoke.texi (Warning Options): Delete -Walways-true and
12179 -Wstring-literal-comparison. Add -Waddress.
12180 (Waddress): New.
12181 (Walways-true): Delete.
12182 (Wstring-literal-comparison): Delete.
12183 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12184 consistently instead of -Walways-true in example.
12185 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
12186 * c-typeck.c (parser_build_binary_op): Replace
12187 -Wstring-literal-comparison and -Walways-true with -Waddress.
12188 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
12189 with -Waddress.
12190
12191 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12192
12193 * tree-cfg.c (dump_function_to_file): Be prepared for functions
12194 without DECL_STRUCT_FUNCTION initialized.
12195
12196 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12197
12198 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
12199 due to calls to functions taking pointers as parameters.
12200
12201 2007-02-19 Richard Henderson <rth@redhat.com>
12202
12203 PR debug/29558
12204 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
12205 in memory.
12206
12207 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
12208
12209 * config/s390/s390.c (s390_call_saved_register_used,
12210 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
12211 accessed to the new scheme.
12212
12213 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12214
12215 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
12216 (cris_print_index, cris_print_operand, cris_print_operand_address)
12217 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
12218 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
12219 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
12220 GET_CODE () == xxx.
12221 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
12222 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
12223 GO_IF_LEGITIMATE_ADDRESS): Ditto.
12224 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
12225 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
12226 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
12227 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
12228 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
12229 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
12230 (uminsi3, call, call_value): Ditto.
12231 (define_split: indir_to_reg_split, unnamed): Ditto.
12232
12233 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
12234
12235 PR tree-optimization/30975
12236 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
12237 wrong assert.
12238
12239 2007-02-18 Eric Christopher <echristo@gmail.com>
12240
12241 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
12242 Remove use of arglist.
12243 (mips_expand_builtin): Remove use of arglist, pass in expr.
12244 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
12245 (mips_expand_builtin_movtf): Ditto.
12246 (mips_expand_builtin_compare): Ditto.
12247
12248 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12249
12250 * tree-sra.c (sra_build_assignment): Replace assertion
12251 checking with a comment explaining why it can't be done.
12252
12253 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12254
12255 PR middle-end/30833
12256 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
12257 during CALL_EXPR representation conversion.
12258 * tree-ssa-propagate.c (set_rhs): Likewise.
12259
12260 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12261
12262 * tree-sra.c (sra_build_assignment): Disable assertion checking
12263 for now.
12264
12265 2007-02-18 Roger Sayle <roger@eyesopen.com>
12266
12267 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
12268 instead of calling build2 with a GIMPLE_MODIFY_STMT.
12269 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
12270 Likewise.
12271 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
12272 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
12273 gimplify_init_ctor_eval_range, gimple_push_cleanup,
12274 gimplify_omp_for, gimplify_omp_atomic_pipeline,
12275 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
12276 force_gimple_operand): Likewise.
12277 * ipa-cp.c (constant_val_insert): Likewise.
12278 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12279 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
12280 perfect_nestify): Likewise.
12281 * langhooks.c (lhd_omp_assignment): Likewise.
12282 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
12283 lower_copyprivate_clauses, lower_send_clauses,
12284 lower_send_shared_vars, expand_parallel_call,
12285 expand_omp_for_generic, expand_omp_for_static_nochunk,
12286 expand_omp_for_static_chunk, expand_omp_sections,
12287 lower_omp_single_copy, lower_omp_for_lastprivate,
12288 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
12289 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
12290 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
12291 Likewise.
12292
12293 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12294
12295 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
12296 config/sh/sh.md: Follow spelling conventions.
12297
12298 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
12299 config/frv/predicates.md: Follow spelling conventions.
12300
12301 * config/m68k/linux-unwind.h: Fix a comment typo.
12302 * target.h: Follow spelling conventions.
12303
12304 2007-02-18 Roger Sayle <roger@eyesopen.com>
12305
12306 PR rtl-optimization/28173
12307 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
12308 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
12309 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
12310 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
12311 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
12312
12313 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12314
12315 * builtins.c (fold_builtin_load_exponent): New.
12316 (fold_builtin_2): Use it.
12317
12318 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
12319
12320 PR rtl-optimization/30773
12321 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
12322 if we fail to attach a REG_EQUIV note.
12323
12324 2007-02-18 David Edelsohn <edelsohn@gnu.org>
12325 Roger Sayle <roger@eyesopen.com>
12326
12327 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
12328
12329 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12330
12331 * calls.c (initialize_argument_information): Pass original EXP
12332 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
12333 code to split complex arguments here, as part of initializing the
12334 ARGS array.
12335 (expand_call): Remove code that builds a list of arguments and
12336 inserts implicit arguments into it. Instead, just count how many
12337 implicit arguments there will be so we can determine the size of
12338 the ARGS array, and let initialize_argument_information do the work.
12339 (split_complex_values): Delete unused function.
12340
12341 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12342
12343 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
12344
12345 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12346
12347 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
12348 for arg pointer based indexed addressing.
12349
12350 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12351
12352 * config/ia64/ia64.h, config/ia64/ia64.md,
12353 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
12354 spelling conventions.
12355
12356 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12357
12358 * config/m68k/m68k.c (split_di): New.
12359 * config/m68k/m68k-protos.h: Declare split_di.
12360 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
12361 Improve predicate handling and split constant shifts.
12362
12363 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12364
12365 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
12366 parameter for register bitfield operations, general predicates
12367 cleanup
12368
12369 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12370
12371 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
12372 * config/m68k/linux-unwind.h: New file.
12373
12374 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12375
12376 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
12377 config/i386/athlon.md, config/ia64/ia64.md,
12378 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
12379 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
12380 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
12381 tree-ssa-loop-niter.c, tree-vect-analyze.c,
12382 tree-vect-transform.c: Fix comment typos.
12383
12384 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
12385
12386 * sched-deps.c (find_insn_list): Remove.
12387 * sched-int.h: Remove the prototype for find_insn_list.
12388
12389 2007-02-16 Geoffrey Keating <geoffk@apple.com>
12390
12391 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
12392 to linker.
12393 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
12394 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
12395 darwin_rs6000_override_options.
12396 (C_COMMON_OVERRIDE_OPTIONS): Expect
12397 darwin_macosx_version_min to be non-NULL always.
12398 (TARGET_C99_FUNCTIONS): Likewise.
12399 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
12400 (DARWIN_MINVERSION_SPEC): New.
12401 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
12402 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
12403 to cc1*.
12404 (DARWIN_MINVERSION_SPEC): New.
12405 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
12406 value.
12407 * config/darwin-c.c (darwin_cpp_builtins): Expect
12408 darwin_macosx_version_min to be non-NULL always.
12409
12410 * config/rs6000/rs6000.c: Clean up trailing whitespace.
12411
12412 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
12413
12414 * config/i386/i386.h (x86_use_xchgb): New.
12415 (TARGET_USE_XCHGB): New macro.
12416 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
12417 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
12418 Split after reload into bswaphi for shifts of 8.
12419 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
12420 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
12421 or when optimizing for size.
12422
12423 2007-02-16 Richard Guenther <rguenther@suse.de>
12424 Christian Bruel <christian.bruel@st.com>
12425
12426 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
12427 DECLs but prefer SSA_NAMEs over DECLs.
12428
12429 2007-02-16 Richard Guenther <rguenther@suse.de>
12430
12431 * tree-flow-inline.h (single_imm_use_p): Remove.
12432 (zero_imm_uses_p): Likewise.
12433 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
12434 instead of single_imm_use_p.
12435 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
12436 zero_imm_uses_p.
12437
12438 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12439
12440 PR other/27843
12441 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
12442 nested double- and backquotes.
12443
12444 2007-02-15 Roger Sayle <roger@eyesopen.com>
12445
12446 PR middle-end/30391
12447 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
12448 should be unreachable.
12449 (build2_stat): Allow construction of MODIFY_EXPR at any time.
12450 For the time being redirect GIMPLE_MODIFY_STMT to the new
12451 (renamed) build_gimple_modify_stmt_stat.
12452 (build2_gimple_stat): Rename to...
12453 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
12454 Always build a GIMPLE_MODIFY_STMT node.
12455 * tree.h (build2_gimple, build2_gimple_stat): Delete.
12456 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
12457 declarations.
12458
12459 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
12460 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
12461 * tree-complex.c (set_component_ssa_name, expand_complex_move,
12462 expand_complex_div_wide): Likewise.
12463 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
12464 * tree-ssa-loop-im.c (schedule_sm): Likewise.
12465 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
12466 * tree-ssa-loop-manip.c (create_iv): Likewise.
12467 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
12468 abs_replacement): Likewise.
12469 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
12470 realify_fake_stores): Likewise.
12471
12472 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
12473 node rather than a GIMPLE_MODIFY_STMT node.
12474 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
12475 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
12476 Likewise.
12477 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
12478 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
12479 GIMPLE_MODIFY_STMT.
12480
12481 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12482
12483 PR middle-end/30433
12484 * fold-const.c (fold_comparison): Add back the
12485 folding of constant complex comparisions.
12486
12487 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12488
12489 PR middle-end/30729
12490 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
12491 effects unknown to this function, return early.
12492
12493 2007-02-15 Ian Lance Taylor <iant@google.com>
12494
12495 * lower-subreg.c (move_eh_region_note): New static function.
12496 (resolve_simple_move): Call it.
12497 (decompose_multiword_subregs): Track blocks for which we resolve a
12498 simple move which is also a control flow insn. Pass them to
12499 find_many_sub_basic_blocks.
12500 (pass_lower_subreg): Add TODO_verify_flow.
12501 (pass_lower_subreg2): Likewise.
12502
12503 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12504 Brooks Moses <brooks.moses@codesourcery.com>
12505 Lee Millward <lee.millward@codesourcery.com>
12506
12507 * tree.h (enum tree_code_class): Add tcc_vl_exp.
12508 (VL_EXP_CLASS_P): New.
12509 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
12510 TREE_CODE_LENGTH.
12511 (TREE_OPERAND_CHECK_CODE): Likewise.
12512 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
12513 (TREE_RTL_OPERAND_CHECK): Likewise.
12514 (tree_operand_check_failed): Make second parameter the whole tree
12515 instead of its code. Fixed callers.
12516 (VL_EXP_CHECK): New.
12517 (TREE_OPERAND_LENGTH): New.
12518 (VL_EXP_OPERAND_LENGTH): New.
12519 (CALL_EXPR_FN): New.
12520 (CALL_EXPR_STATIC_CHAIN): New.
12521 (CALL_EXPR_ARGS): New.
12522 (CALL_EXPR_ARG): New.
12523 (call_expr_nargs): New.
12524 (CALL_EXPR_ARGP): New.
12525 (build_nt_call_list): Declare.
12526 (build_vl_exp_stat): Declare.
12527 (build_vl_exp): New.
12528 (build_call_list): Declare.
12529 (build_call_nary): Declare.
12530 (build_call_valist): Declare.
12531 (build_call_array): Declare.
12532 (call_expr_arg): Declare.
12533 (call_expr_argp): Declare.
12534 (call_expr_arglist): Declare.
12535 (fold_build_call_list): Declare.
12536 (fold_build_call_list_initializer): Declare.
12537 (fold_call_expr): Declare to replace fold_builtin.
12538 (fold_builtin_fputs): Update to agree with modified definition.
12539 (fold_builtin_strcpy): Likewise.
12540 (fold_builtin_strncpy): Likewise.
12541 (fold_builtin_memory_chk): Likewise.
12542 (fold_builtin_stxcpy_chk): Likewise.
12543 (fold_builtin_strncpy_chk): Likewise.
12544 (fold_builtin_next_arg): Likewise.
12545 (fold_build_call_expr): Declare.
12546 (fold_builtin_call_list): Declare.
12547 (fold_builtin_call_valist): Declare.
12548 (build_call_expr): Declare.
12549 (validate_arglist): Update to agree with modified definition.
12550 (tree_operand_length): New.
12551 (call_expr_arg_iterator): New.
12552 (init_call_expr_arg_iterator): New.
12553 (next_call_expr_arg): New.
12554 (first_call_expr_arg): New.
12555 (more_call_expr_args_p): New.
12556 (FOR_EACH_CALL_EXPR_ARG): New.
12557
12558 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
12559 and tcc_gimple_stmt.
12560 (tree_code_size): Update documentation. Use sizeof (tree) rather
12561 than sizeof (char *).
12562 (tree_size): Likewise. Add case for tcc_vl_exp.
12563 (tree_node_structure): Add case for tcc_vl_exp.
12564 (contains_placeholder_p): Likewise.
12565 (substitute_in_expr): Likewise.
12566 (substitute_placeholder_in_expr): Likewise.
12567 (stabilize_reference_1): Likewise.
12568 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
12569 to diagnose breakage of this interface for constructing CALL_EXPRs.
12570 (build_nt): Add similar assertion here.
12571 (build_nt_call_list): New.
12572 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
12573 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
12574 TREE_CODE_LENGTH.
12575 (get_callee_fndecl): Use new CALL_EXPR accessors.
12576 (tree_operand_check_failed): Change parameters to pass entire node
12577 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
12578 (process_call_operands): New.
12579 (build_vl_exp_stat): New.
12580 (build_call_list): New.
12581 (build_call_nary): New.
12582 (build_call_valist): New.
12583 (build_call_array): New.
12584 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12585 (call_expr_arglist): New.
12586
12587 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
12588 tcc_vl_exp instead of a fixed-size tcc_expression.
12589
12590 * doc/c-tree.texi (CALL_EXPR): Document new representation and
12591 accessors for CALL_EXPRs.
12592 (AGGR_INIT_EXPR): Likewise.
12593
12594 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12595 Brooks Moses <brooks.moses@codesourcery.com>
12596 Lee Millward <lee.millward@codesourcery.com>
12597
12598 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
12599 (expand_builtin_nonlocal_goto): Change parameter to be entire
12600 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
12601 (expand_builtin_prefetch): Likewise.
12602 (expand_builtin_classify_type): Likewise.
12603 (mathfn_built_in): Return NULL_TREE instead of 0.
12604 (expand_errno_check): Use new CALL_EXPR accessors.
12605 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
12606 Return NULL_RTX instead of 0.
12607 (expand_builtin_mathfn_2): Likewise.
12608 (expand_builtin_mathfn_3): Likewise.
12609 (expand_builtin_interclass_mathfn): Likewise.
12610 (expand_builtin_sincos): Likewise.
12611 (expand_builtin_cexpi): Likewise.
12612 (expand_builtin_int_roundingfn): Likewise.
12613 (expand_builtin_int_roundingfn_2): Likewise.
12614 (expand_builtin_pow): Likewise.
12615 (expand_builtin_powi): Likewise.
12616 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
12617 of arglist, fixing callers appropriately. Use new CALL_EXPR
12618 accessors and constructors. Return NULL_RTX instead of 0.
12619 (expand_builtin_strstr): Likewise.
12620 (expand_builtin_strchr): Likewise.
12621 (expand_builtin_strrchr): Likewise.
12622 (expand_builtin_strpbrk): Likewise.
12623 (expand_builtin_memcpy): Likewise.
12624 (expand_builtin_mempcpy): Likewise.
12625 (expand_builtin_mempcpy_args): New.
12626 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
12627 (expand_builtin_memmove_args): New.
12628 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
12629 (expand_movstr): Likewise.
12630 (expand_builtin_strcpy): Likewise.
12631 (expand_builtin_strcpy_args): New.
12632 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
12633 (expand_builtin_strncpy): Likewise.
12634 (expand_builtin_memset): Likewise.
12635 (expand_builtin_memset_args): New.
12636 (expand_builtin_bzero): Similarly to expand_builtin_memset.
12637 (expand_builtin_memcmp): Likewise.
12638 (expand_builtin_strcmp): Likewise.
12639 (expand_builtin_strncmp): Likewise.
12640 (expand_builtin_strcat): Likewise.
12641 (expand_builtin_strncat): Likewise.
12642 (expand_builtin_strspn): Likewise.
12643 (expand_builtin_strcspn): Likewise.
12644 (expand_builtin_args_info): Likewise.
12645 (expand_builtin_va_start): Likewise.
12646 (gimplify_va_arg_expr): Likewise.
12647 (expand_builtin_va_end): Likewise.
12648 (expand_builtin_va_copy): Likewise.
12649 (expand_builtin_frame_address): Likewise.
12650 (expand_builtin_alloca): Likewise.
12651 (expand_builtin_bswap): Likewise.
12652 (expand_builtin_unop): Likewise.
12653 (expand_builtin_fputs): Likewise.
12654 (expand_builtin_expect): Likewise.
12655 (expand_builtin_fabs): Likewise.
12656 (expand_builtin_copysign): Likewise.
12657 (expand_builtin_printf): Likewise.
12658 (expand_builtin_fprintf): Likewise.
12659 (expand_builtin_sprintf): Likewise.
12660 (expand_builtin_init_trampoline): Likewise.
12661 (expand_builtin_signbit): Likewise.
12662 (expand_builtin_fork_or_exec): Likewise.
12663 (expand_builtin_sync_operation): Likewise.
12664 (expand_builtin_compare_and_swap): Likewise.
12665 (expand_builtin_lock_test_and_set): Likewise.
12666 (expand_builtin_lock_release): Likewise.
12667 (expand_builtin): Likewise.
12668 (builtin_mathfn_code): Likewise.
12669
12670 (fold_builtin_constant_p): Pass call arguments individually instead
12671 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12672 accessors and constructors. Return NULL_TREE instead of 0.
12673 (fold_builtin_expect): Likewise.
12674 (fold_builtin_classify_type): Likewise.
12675 (fold_builtin_strlen): Likewise.
12676 (fold_builtin_nan): Likewise.
12677 (integer_valued_real_p): Likewise.
12678 (fold_trunc_transparent_mathfn): Likewise.
12679 (fold_fixed_mathfn): Likewise.
12680 (fold_builtin_cabs): Likewise.
12681 (fold_builtin_sqrt): Likewise.
12682 (fold_builtin_cbrt): Likewise.
12683 (fold_builtin_cos): Likewise.
12684 (fold_builtin_cosh): Likewise.
12685 (fold_builtin_tan): Likewise.
12686 (fold_builtin_sincos): Likewise.
12687 (fold_builtin_cexp): Likewise.
12688 (fold_builtin_trunc): Likewise.
12689 (fold_builtin_floor): Likewise.
12690 (fold_builtin_ceil): Likewise.
12691 (fold_builtin_round): Likewise.
12692 (fold_builtin_int_roundingfn): Likewise.
12693 (fold_builtin_bitop): Likewise.
12694 (fold_builtin_bswap): Likewise.
12695 (fold_builtin_logarithm): Likewise.
12696 (fold_builtin_hypot): Likewise.
12697 (fold_builtin_pow): Likewise.
12698 (fold_builtin_powi): Likewise.
12699 (fold_builtin_exponent): Likewise.
12700 (fold_builtin_memset): Likewise.
12701 (fold_builtin_bzero): Likewise.
12702 (fold_builtin_memory_op): Likewise.
12703 (fold_builtin_bcopy): Deleted; call site changed to invoke
12704 fold_builtin_memory_op directly.
12705 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
12706 (fold_builtin_strncpy): Likewise.
12707 (fold_builtin_memcmp): Likewise.
12708 (fold_builtin_strcmp): Likewise.
12709 (fold_builtin_strncmp): Likewise.
12710 (fold_builtin_signbit): Likewise.
12711 (fold_builtin_copysign): Likewise.
12712 (fold_builtin_isascii): Likewise.
12713 (fold_builtin_toascii): Likewise.
12714 (fold_builtin_isdigit): Likewise.
12715 (fold_builtin_fabs): Likewise.
12716 (fold_builtin_abs): Likewise.
12717 (fold_builtin_fmin_fmax): Likewise.
12718 (fold_builtin_carg): Likewise.
12719 (fold_builtin_classify): Likewise.
12720 (fold_builtin_unordered_cmp): Likewise.
12721
12722 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
12723 New functions split out from fold_builtin_1.
12724 (fold_builtin_n): New.
12725 (fold_builtin_varargs): New.
12726 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
12727 instead.
12728 (fold_call_expr): New.
12729 (build_function_call_expr): Rewrite to use new helper function.
12730 (fold_builtin_call_list): New.
12731 (build_call_expr): New.
12732 (fold_builtin_call_valist): New.
12733 (rewrite_call_expr): New.
12734 (validate_arg): New.
12735 (validate_arglist): Change parameter to be entire CALL_EXPR instead
12736 of an arglist. Change return type to bool. Use new CALL_EXPR
12737 accessors.
12738
12739 (fold_builtin_strstr): Pass call arguments individually instead
12740 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12741 accessors and constructors. Return NULL_TREE instead of 0.
12742 (fold_builtin_strchr): Likewise.
12743 (fold_builtin_strrchr): Likewise.
12744 (fold_builtin_strpbrk): Likewise.
12745 (fold_builtin_strcat): Likewise.
12746 (fold_builtin_strncat): Likewise.
12747 (fold_builtin_strspn): Likewise.
12748 (fold_builtin_strcspn): Likewise.
12749 (fold_builtin_fputs): Likewise.
12750 (fold_builtin_next_arg): Likewise.
12751 (fold_builtin_sprintf): Likewise.
12752
12753 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
12754 NULL_RTX instead of 0.
12755 (expand_builtin_memory_chk): Likewise.
12756 (maybe_emit_chk_warning): Likewise.
12757 (maybe_emit_sprintf_chk_warning): Likewise.
12758
12759 (fold_builtin_object_size): Pass call arguments individually instead
12760 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12761 accessors and constructors. Return NULL_TREE instead of 0.
12762 (fold_builtin_memory_chk): Likewise.
12763 (fold_builtin_stxcpy_chk): Likewise.
12764 (fold_builtin_strncpy_chk): Likewise.
12765 (fold_builtin_strcat_chk): Likewise.
12766 (fold_builtin_strcat_chk): Likewise.
12767 (fold_builtin_strncat_chk): Likewise.
12768 (fold_builtin_sprintf_chk): Likewise.
12769 (fold_builtin_snprintf_chk): Likewise.
12770 (fold_builtin_printf): Likewise.
12771 (fold_builtin_vprintf): Likewise.
12772
12773 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
12774 constructors.
12775 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
12776 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12777 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
12778 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
12779 (fold_unary): Likewise.
12780 (fold_binary): Likewise.
12781 (fold_ternary): Remove CALL_EXPR case, since they are no longer
12782 ternary expressions.
12783 (fold): Add logic for tcc_vl_exp.
12784 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
12785 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12786 (fold_build3_stat): Add assertion to flag broken interface for
12787 constructing CALL_EXPRs.
12788 (fold_build_call_list): New.
12789 (fold_build_call_list_initializer): New.
12790 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
12791 constructors.
12792 (fold_strip_sign_ops): Likewise.
12793
12794 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12795 Brooks Moses <brooks.moses@codesourcery.com>
12796 Lee Millward <lee.millward@codesourcery.com>
12797
12798 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
12799 accessors and dump arguments explicitly.
12800
12801 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
12802 TREE_CODE_LENGTH.
12803 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
12804 explicitly.
12805 (print_call_name): Use new CALL_EXPR accessors.
12806
12807 * print-tree.c (print_node): Add case tcc_vl_exp. Print
12808 CALL_EXPR arguments explicitly instead of as a list. Use
12809 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12810
12811 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
12812 (vrp_visit_stmt): Likewise.
12813
12814 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
12815 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
12816 TREE_CODE_LENGTH.
12817 (force_move_till_expr): Likewise.
12818
12819 * targhooks.c (default_external_stack_protect_fail): Use
12820 build_call_expr instead of build_function_call_expr.
12821 (default_hidden_stack_protect_fail): Likewise.
12822
12823 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
12824 build the call.
12825
12826 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
12827 and walk arguments explicitly.
12828
12829 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
12830 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12831 (expand_simple_operations): Likewise.
12832 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
12833
12834 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
12835 of TREE_CODE_LENGTH.
12836 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
12837
12838 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
12839 instead of TREE_CODE_LENGTH.
12840
12841 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
12842 (tree_ic_transform): Likewise.
12843 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
12844 parameter instead of arglist. Fix callers.
12845 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
12846 (tree_stringops_transform): Likewise.
12847 (tree_indirect_call_to_profile): Likewise.
12848 (tree_stringops_values_to_profile): Likewise.
12849
12850 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
12851 (eliminate_tail_call): Likewise.
12852
12853 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
12854
12855 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
12856 Use TREE_OPERAND_LENGTH and generalize to handle any number of
12857 operands.
12858 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
12859
12860 * omp-low.c (build_omp_barrier): Use build_call_expr.
12861 (lower_rec_input_clauses): Likewise.
12862 (lower_reduction_clauses): Likewise.
12863 (expand_parallel_call): Likewise.
12864 (maybe_catch_exception): Likewise.
12865 (expand_omp_for_generic): Likewise.
12866 (expand_omp_for_static_nochunk): Likewise.
12867 (expand_omp_sections): Likewise.
12868 (lower_omp_single_simple): Likewise.
12869 (lower_omp_single_copy): Likewise.
12870 (lower_omp_master): Likewise.
12871 (lower_omp_ordered): Likewise.
12872 (lower_omp_critical): Likewise.
12873
12874 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
12875 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
12876
12877 * tree-gimple.c (is_gimple_call_addr): Fix doc.
12878 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
12879 TREE_CODE_LENGTH. Add tcc_vl_exp case.
12880
12881 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
12882 and generalize to handle any number of operands.
12883 (chrec_contains_undetermined): Likewise.
12884 (tree_contains_chrecs): Likewise.
12885 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
12886
12887 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
12888
12889 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
12890 fold_call_expr instead of fold_builtin.
12891 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
12892 match declarations there.
12893 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
12894 updates.
12895
12896 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
12897 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12898
12899 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
12900 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
12901
12902 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
12903 accessors.
12904
12905 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
12906 (execute_cse_sincos): Use new CALL_EXPR accessors.
12907
12908 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
12909
12910 * gimple-low.c (lower_function_body): Use build_call_expr.
12911 (lower_builtin_setjmp): Likewise.
12912
12913 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
12914 (set_storage_via_libcall): Likewise.
12915 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
12916 instead of TREE_CODE_LENGTH.
12917 (expand_expr_real_1): Use new CALL_EXPR accessors.
12918
12919 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
12920 generalize to handle any number of operands.
12921 (TB_parent_eq): Likewise.
12922
12923 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
12924 (strip_builtin_expect): Likewise.
12925
12926 * function.c (gimplify_parameters): Use build_call_expr.
12927
12928 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
12929 instead of TREE_CODE_LENGTH.
12930
12931 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
12932 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
12933
12934 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
12935 iterators.
12936
12937 * gimplify.c (build_stack_save_restore): Use build_call_expr.
12938 (gimplify_decl_expr): Likewise.
12939 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
12940 Use new CALL_EXPR iterators.
12941 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
12942 (gimplify_modify_expr_to_memset): Likewise.
12943 (gimplify_variable_sized_compare): Likewise.
12944 (gimplify_omp_atomic_fetch_op): Likewise.
12945 (gimplify_omp_atomic_pipeline): Likewise.
12946 (gimplify_omp_atomic_mutex): Likewise.
12947 (gimplify_function_tree): Likewise.
12948
12949 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
12950 (call_expr_flags): Likewise.
12951 (expand_call): Likewise.
12952
12953 * except.c (expand_builtin_eh_return_data_regno): Pass entire
12954 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
12955 accessors.
12956
12957 * coverage.c (create_coverage): Use build_call_expr.
12958
12959 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
12960 (temp_call_expr_obstack): New.
12961 (pool_copy_list): Delete.
12962 (temp_copy_call_expr): New.
12963 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
12964 CALL_EXPR accessors. Get rid of special goo for copying argument
12965 lists and use temp_copy_call_expr instead.
12966 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
12967 CALL_EXPR accessors.
12968 (create_expression_by_pieces): Likewise. Use build_call_array
12969 to construct the result instead of fold_build3.
12970 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
12971 dealing with argument lists.
12972 (init_pre): Remove references to expression_node_pool and
12973 list_node_pool. Init temp_call_expr_obstack instead.
12974 (fini_pre): Remove references to expression_node_pool and
12975 list_node_pool.
12976
12977 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
12978 and walk arguments explicitly instead of as a list.
12979
12980 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
12981 (mx_register_decls): Likewise.
12982 (mudflap_register_call): Likewise.
12983 (mudflap_finish_file): Likewise.
12984
12985 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
12986 (ipa_callsite_compute_param): Likewise.
12987
12988 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
12989 accessors and constructor.
12990
12991 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
12992 accessors and constructor.
12993 (convert_tramp_reference): Likewise.
12994 (convert_call_expr): Likewise.
12995 (finalize_nesting_tree_1): Likewise.
12996
12997 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
12998 accessors.
12999
13000 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
13001
13002 * tree-inline.c (initialize_inlined_parameters): Pass entire
13003 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13004 accessors.
13005 (estimate_num_insns_1): Use new CALL_EXPR accessors.
13006 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
13007
13008 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
13009 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13010 (vectorizable_reduction): Likewise.
13011 (vectorizable_call): Use new CALL_EXPR iterators.
13012 (vectorizable_conversion): Use build_call_expr.
13013 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
13014 (vect_gen_widened_results_half): Use build_call_expr.
13015 (vect_setup_realignment): Likewise.
13016 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
13017
13018 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
13019 (pass_through_call): Likewise.
13020 (compute_object_sizes): Likewise. Use fold_call_expr instead of
13021 fold_builtin.
13022
13023 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
13024 (tree_gen_pow2_profiler): Likewise.
13025 (tree_gen_one_value_profiler): Likewise.
13026 (tree_gen_ic_func_profiler): Likewise.
13027 (tree_gen_average_profiler): Likewise.
13028 (tree_gen_ior_profiler): Likewise.
13029
13030 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
13031 (find_func_aliases): Use new CALL_EXPR accessors. Add case
13032 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13033
13034 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
13035 of TREE_CODE_LENGTH.
13036
13037 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
13038 of TREE_CODE_LENGTH.
13039
13040 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
13041 constructor.
13042 (convert_to_integer): Likewise.
13043
13044 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
13045 accessors.
13046
13047 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13048 Brooks Moses <brooks.moses@codesourcery.com>
13049 Lee Millward <lee.millward@codesourcery.com>
13050
13051 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
13052 accessors.
13053 * config/frv/frv.c (frv_expand_builtin): Likewise.
13054 * config/s390/s390.c (s390_expand_builtin): Likewise.
13055
13056 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
13057 (sparc_expand_builtin): Use new CALL_EXPR accessors.
13058
13059 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
13060 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
13061 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
13062 (ix86_expand_store_builtin): Likewise.
13063 (ix86_expand_unop_builtin): Likewise.
13064 (ix86_expand_unop1_builtin): Likewise.
13065 (ix86_expand_sse_compare): Likewise.
13066 (ix86_expand_sse_comi): Likewise.
13067 (ix86_expand_vec_init_builtin): Likewise.
13068 (ix86_expand_vec_ext_builtin): Likewise.
13069 (ix86_expand_vec_set_builtin): Likewise.
13070 (ix86_expand_builtin): Use new CALL_EXPR accessors.
13071
13072 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
13073 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
13074
13075 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
13076 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13077 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
13078
13079 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
13080 build_call_expr.
13081 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13082 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
13083 arglist. Use new CALL_EXPR accessors. Fix callers.
13084 (altivec_expand_abs_builtin): Likewise.
13085 (rs6000_expand_binop_builtin): Likewise.
13086 (altivec_expand_predicate_builtin): Likewise.
13087 (altivec_expand_lv_builtin): Likewise.
13088 (spe_expand_stv_builtin): Likewise.
13089 (altivec_expand_stv_builtin): Likewise.
13090 (rs6000_expand_ternop_builtin): Likewise.
13091 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
13092 (altivec_expand_st_builtin): Likewise.
13093 (altivec_expand_dst_builtin): Likewise.
13094 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
13095 arglist. Use new CALL_EXPR accessors. Fix callers.
13096 (altivec_expand_vec_set_builtin): Likewise.
13097 (altivec_expand_vec_ext_builtin): Likewise.
13098 (altivec_expand_builtin): Use new CALL_EXPR accessors.
13099 (spe_expand_builtin): Likewise.
13100 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
13101 arglist. Use new CALL_EXPR accessors. Fix callers.
13102 (spe_expand_evsel_builtin): Likewise.
13103 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
13104 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
13105
13106 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
13107 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13108 (arm_expand_unop_builtin): Likewise.
13109 (arm_expand_builtin): Use new CALL_EXPR accessors.
13110
13111 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
13112 accessors.
13113
13114 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
13115 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13116 (bfin_expand_unop_builtin): Likewise.
13117 (bfin_expand_builtin): Use new CALL_EXPR accessors.
13118
13119 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13120 Brooks Moses <brooks.moses@codesourcery.com>
13121 Lee Millward <lee.millward@codesourcery.com>
13122
13123 * c-semantics.c (build_stmt): Add internal diagnostic check.
13124
13125 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
13126 accessors. Print arguments explicitly instead of as a list.
13127
13128 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
13129
13130 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
13131 (c_finish_omp_flish): Likewise.
13132
13133 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
13134 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
13135 instead of TREE_CODE_LENGTH.
13136 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
13137 (c_warn_unused_result): Likewise.
13138
13139 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13140
13141 PR c/26494
13142 * doc/invoke.texi (Warning Options): Remove
13143 -Werror-implicit-function-declaration.
13144 (Wimplicit-function-declaration): Update description.
13145 * opts.c (common_handle_option): Move handling of -Werror=* to...
13146 (enable_warning_as_error): ...here.
13147 * opts.h (enable_warning_as_error): Declare.
13148 * c-decl.c (implicit_decl_warning): Unless
13149 -Wno-implicit-function-declaration is given, emit a pedwarn if
13150 -std=c99 or emit a warning if -Wimplicit-function-declaration.
13151 * c.opt (Wimplicit-function-declaration): Replace
13152 mesg_implicit_function_declaration with
13153 warn_implicit_function_declaration.
13154 * c-opts.c (c_common_handle_option):
13155 -Werror-implicit-function-declaration is exactly equal as
13156 -Werror=implicit-function-declaration.
13157 (set_Wimplicit): Replace mesg_implicit_function_declaration with
13158 warn_implicit_function_declaration.
13159 (c_common_post_options): -Wimplict-function-declaration is enabled
13160 by default by -std=c99, otherwise is disabled by default.
13161 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
13162
13163 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13164
13165 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
13166 DECL on the rhs to a DECL on the lhs for debug info purposes if the
13167 former is ignored but not the latter.
13168
13169 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13170
13171 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
13172 is made and the reference doesn't use the alias set of its type,
13173 do not create the temporary using that type.
13174
13175 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
13176
13177 * jump.c: Remove prototypes for delete_computation and
13178 delete_prior_computation.
13179
13180 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13181
13182 * jump.c (get_label_after): Delete.
13183 (get_label_before, delete_computation, delete_jump,
13184 delete_prior_computation, follow_jumps): Move...
13185 * reorg.c (delete_computation, delete_prior_computation): ... here...
13186 (get_label_before, delete_jump): ... making these static ...
13187 (follow_jumps): ... and simplifying this since it only runs after
13188 reload.
13189 * rtl.h (get_label_after, get_label_before, delete_jump,
13190 follow_jumps): Delete prototypes.
13191
13192 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13193
13194 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
13195
13196 2007-02-15 Nick Clifton <nickc@redhat.com>
13197
13198 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
13199 order to prevent it from being munged by the target.
13200
13201 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
13202
13203 * config/i386/i386.md: Remove misleading comment.
13204
13205 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13206
13207 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
13208 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
13209 invalid patterns.
13210
13211 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13212
13213 * tree-sra.c (instantiate_missing_elements): Canonicalize
13214 bit-field types.
13215 (sra_build_assignment): New.
13216 (generate_copy_inout, generate_element_copy,
13217 generate_element_zero, generate_one_element_init): Use it.
13218
13219 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13220
13221 * tree-sra.c (instantiate_missing_elements): Canonicalize
13222 bit-field types.
13223 (sra_build_assignment): New.
13224 (generate_copy_inout, generate_element_copy,
13225 generate_element_zero, generate_one_element_init): Use it.
13226
13227 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13228
13229 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
13230 limbo die nodes.
13231
13232 2007-02-14 Joseph Myers <joseph@codesourcery.com>
13233
13234 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
13235 types as aggregates not scalars.
13236 * function.c (assign_stack_temp_for_type): Likewise.
13237
13238 2007-02-14 Roger Sayle <roger@eyesopen.com>
13239 Zdenek Dvorak <dvorakz@suse.cz>
13240
13241 * tree-dump.c (dump_switch_p_1): Require exact match of the option
13242 name.
13243
13244 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13245
13246 * passes.c (next_pass_1): Clear the next field of the copied
13247 pass structure.
13248
13249 2007-02-14 Richard Henderson <rth@redhat.com>
13250
13251 * tree-sra.c (early_sra): New.
13252 (decl_can_be_decomposed_p): Deny va_list if early_sra.
13253 (tree_sra_early, pass_sra_early): New.
13254 * tree-pass.h (pass_sra_early): Declare.
13255 * passes.c (init_optimization_passes): Use it.
13256
13257 2007-02-14 Richard Guenther <rguenther@suse.de>
13258
13259 * flags.h (issue_strict_overflow_warning): Convert to a macro.
13260
13261 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
13262
13263 PR tree-optimization/30771
13264 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
13265 also phi nodes.
13266 (vect_analyze_operations): Induction phis can now be marked as
13267 used_in_loop.
13268 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
13269 Update documentation accordingly.
13270
13271 2007-02-14 Nick Clifton <nickc@redhat.com>
13272
13273 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
13274 most 3 arguments are supported.
13275 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
13276
13277 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
13278
13279 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
13280 Ensure dst->current is valid.
13281
13282 2007-02-13 Paul Brook <paul@codesourcery.com>
13283
13284 * config.gcc: Add arm*-*-uclinux-*eabi.
13285 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
13286 (SUBTARGET_EXTRA_LINK_SPEC): Define.
13287 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
13288 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
13289 (LINK_SPEC): Define.
13290 (LIB_SPEC): Define.
13291 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
13292 register.
13293 * config/arm/uclinux-eabi.h: New file.
13294 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
13295 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
13296 based targets.
13297
13298 2007-02-13 Ian Lance Taylor <iant@google.com>
13299
13300 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
13301 * flags.h (warn_strict_overflow): Declare.
13302 (enum warn_strict_overflow_code): Define.
13303 (issue_strict_overflow_warning): New static inline function.
13304 * opts.c (warn_strict_overflow): New variable.
13305 (common_handle_option): Handle OPT_Wstrict_overflow and
13306 OPT_Wstrict_overflow_.
13307 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
13308 OPT_Wall.
13309 * fold-const.c: Include intl.h.
13310 (fold_deferring_overflow_warnings): New static variable.
13311 (fold_deferred_overflow_warning): New static variable.
13312 (fold_deferred_overflow_code): New static variable.
13313 (fold_defer_overflow_warnings): New function.
13314 (fold_undefer_overflow_warnings): New function.
13315 (fold_undefer_and_ignore_overflow_warnings): New function.
13316 (fold_deferring_overflow_warnings_p): New function.
13317 (fold_overflow_warning): New static function.
13318 (make_range): Add strict_overflow_p parameter. Change all
13319 callers.
13320 (extract_muldiv, extract_muldiv_1): Likewise.
13321 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
13322 tree_expr_nonnegative_p.
13323 (fold_negate_expr): Call fold_overflow_warning.
13324 (fold_range_test): Likewise.
13325 (fold_comparison): Likewise.
13326 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
13327 instead of tree_expr_nonnegative_p.
13328 (tree_expr_nonnegative_warnv_p): Rename from
13329 tree_expr_nonnegative_p, add strict_overflow_p parameter.
13330 (tree_expr_nonnegative_p): New function.
13331 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
13332 strict_overflow_p parameter.
13333 (tree_expr_nonzero_p): New function.
13334 * passes.c (verify_interpass_invariants): New static function.
13335 (execute_one_pass): Call it.
13336 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
13337 warnings.
13338 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
13339 (estimate_numbers_of_iterations): Likewise.
13340 (scev_probably_wraps_p): Likewise.
13341 * tree-ssa-ccp.c: Include "toplev.h".
13342 (evaluate_stmt): Defer fold overflow warnings until we know we are
13343 going to optimize.
13344 (struct fold_stmt_r_data): Add stmt field.
13345 (fold_stmt_r): Defer fold overflow warnings until we know we
13346 optimized.
13347 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
13348 (fold_stmt_inplace): Likewise.
13349 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
13350 (cleanup_control_expr_graph): Defer fold overflow warnings until
13351 we know we are going to optimize.
13352 * tree-cfg.c (fold_cond_expr_cond): Likewise.
13353 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
13354 Likewise.
13355 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
13356 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
13357 * tree-ssa-loop-manip.c (create_iv): Likewise.
13358 * c-typeck.c (build_conditional_expr): Likewise.
13359 (build_binary_op): Likewise.
13360 * tree-vrp.c (vrp_expr_computes_nonzero): Call
13361 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
13362 (extract_range_from_unary_expr): Likewise.
13363 * simplify-rtx.c (simplify_const_relational_operation): Warn when
13364 assuming that signed overflow does not occur.
13365 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
13366 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
13367 (fold_defer_overflow_warnings): Declare.
13368 (fold_undefer_overflow_warnings): Declare.
13369 (fold_undefer_and_ignore_overflow_warnings): Declare.
13370 (fold_deferring_overflow_warnings_p): Declare.
13371 (tree_expr_nonzero_warnv_p): Declare.
13372 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
13373 of warning options.
13374 (Warning Options): Document -Wstrict-overflow.
13375 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
13376 (tree-ssa-ccp.o): Likewise.
13377 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
13378 (fold-const.o): Depend on intl.h.
13379
13380 2007-02-13 Ian Lance Taylor <iant@google.com>
13381
13382 PR middle-end/30751
13383 * lower-subreg.c (resolve_simple_move): Decompose subregs in
13384 addresses.
13385
13386 2007-02-13 Stuart Hastings <stuart@apple.com>
13387
13388 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
13389
13390 2007-02-13 Richard Henderson <rth@redhat.com>
13391
13392 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
13393 handled_component_p before looking for the indirect_ref.
13394
13395 2007-02-13 Richard Henderson <rth@redhat.com>
13396
13397 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
13398 remove flags clobber.
13399 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
13400 (bswaphi_lowpart): New.
13401 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
13402 remove TARGET_BSWAP test. Delete expander of the same name.
13403
13404 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
13405 (expand_unop): Use them.
13406
13407 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
13408
13409 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
13410 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
13411 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
13412 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
13413 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
13414 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
13415 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
13416 assembler dialect choice from asm templates.
13417
13418 2007-02-12 Richard Henderson <rth@redhat.com>
13419
13420 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
13421 (fixuns_trunc<SSEMODEF>si2): Use it.
13422 * config/i386/sse.md (vec_setv4sf_0): Export.
13423 * config/i386/i386.c (ix86_build_const_vector): Export.
13424 (ix86_split_convert_uns_si_sse): Rename from
13425 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
13426 * config/i386/i386-protos.h: Update.
13427
13428 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13429
13430 PR c/29521
13431 * c-typeck.c (c_finish_return): Improve warning message.
13432
13433 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13434
13435 * alias.c (find_symbolic_term): Delete unused function.
13436
13437 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
13438
13439 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
13440 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
13441 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
13442
13443 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13444
13445 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
13446 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
13447 the function, temporarily point the debug interface to the null one.
13448
13449 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13450
13451 * dwarf2out.c (round_up_to_align): New static function.
13452 (field_byte_offset): Use it to round the offset.
13453
13454 2007-02-12 Richard Henderson <rth@redhat.com>
13455
13456 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
13457 (inswl_const): Export.
13458
13459 2007-02-12 Richard Henderson <rth@redhat.com>
13460
13461 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
13462 result mode of the libcall, convert back to outmode.
13463
13464 2007-02-12 Roger Sayle <roger@eyesopen.com>
13465
13466 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
13467 (bswapdi2): New define_expand to implement 32-bit implementation.
13468
13469 2007-02-12 Nick Clifton <nickc@redhat.com>
13470
13471 * doc/invoke.texi (Overall Options): Document --help=.
13472 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
13473 (cc1_options): Pass --help= on to cc1.
13474 (display_help): Add description of --help=.
13475 (process_command): Add code to handle --help=. Allow translated
13476 --help and --target-help switches to be passed on to compiler
13477 sub-process.
13478 (main): Remove unused if statement.
13479 * opts.c (columns): Remove.
13480 (LEFT_COLUMN): Define.
13481 (wrap_help): Add columns argument.
13482 (print_filtered_help): Change parameters to be an include bitmask,
13483 an exclude bitmask, an any bitmask and the column width. Move the
13484 code to display the params list here. Add code to display the
13485 status of options rather than their descriptions if the quiet flag
13486 is not active.
13487 (print_specific_help): Change parameters to be an include bitmask,
13488 an exclude bitmask and an any bitmask. Move code to look up the
13489 column width here. Decide upon the title for an options listing.
13490 (common_handle_options): Add code to handle --help=. Adapt code
13491 for --help and --target-help to use the revised form of the
13492 print_specific_help function.
13493 (print_help): Delete.
13494 (print_param_help): Delete.
13495 (print_switch): Delete.
13496 * opts.h (cl_lang_count): Add prototype.
13497 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
13498 CL_MAX_OPTION_CLASS): New defines.
13499 * optc-gen.awk: Add construction of cl_lang_count.
13500 * c.opt: Add Warning attribute to warning options and Optimization
13501 attribute to optimization options.
13502 * common.opt: Likewise.
13503 Add --help=.
13504 Add -fhelp and -ftarget-help as aliases for the transformed --help
13505 and --target-help options.
13506 * opt-functions.awk: Add code to handle Warning and Optimization
13507 attributes.
13508
13509 2007-02-12 Richard Henderson <rth@redhat.com>
13510
13511 * config/alpha/constraints.md: New file.
13512 * config/alpha/alpha.c: Include tm-constrs.h.
13513 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
13514 alpha_extra_constraint): Remove.
13515 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
13516 * config/alpha/alpha-protos.h: Update.
13517 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
13518 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
13519 (EXTRA_CONSTRAINT): Remove.
13520 * config/alpha/alpha.md: Include constraints.md.
13521 (adddi splitter): Use satisfies_constraint_*.
13522 * config/alpha/predicates.md (add_operand): Likewise.
13523 (sext_add_operand, addition_operation): Likewise.
13524
13525 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
13526
13527 PR tree-optimization/29145
13528 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
13529 in our handling of restrict qualified pointers.
13530
13531 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13532
13533 PR middle-end/7651
13534 * doc/invoke.texi (Wunused-value): Update description.
13535 (Wextra): Delete item.
13536 * opts.c (set_Wextra): Don't use the value of Wextra to set the
13537 value of Wunused-value.
13538 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
13539 (c_finish_stmt_expr): Don't check extra_warnings.
13540 (emit_side_effect_warnings): The caller is responsible to check
13541 warn_unused_value.
13542
13543 2007-02-11 Roger Sayle <roger@eyesopen.com>
13544 Matt Thomas <matt@3am-software.com>
13545
13546 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
13547
13548 2007-02-11 Roger Sayle <roger@eyesopen.com>
13549
13550 * simplify-rtx.c (simplify_relational_operation_1): Optimize
13551 comparisons of POPCOUNT against zero.
13552 (simplify_const_relational_operation): Likewise.
13553
13554 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13555
13556 * doc/invoke.texi (Wextra): Delete outdated paragraph.
13557
13558 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13559
13560 * dwarf2out.c (root_type): Delete unused function.
13561
13562 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13563
13564 * genattrtab.c (contained_in_p): Delete unused function.
13565 (write_expr_attr_cache): Likewise.
13566
13567 2007-02-11 Jan Hubicka <jh@suse.cz>
13568
13569 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
13570 previous patch.
13571
13572 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
13573
13574 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
13575 to add the REG_EQ* note.
13576 * see.c (see_merge_one_use_extension): Likewise.
13577 * local-alloc.c (update_equiv_regs): Likewise. Also don't
13578 turn REG_EQUAL notes into REG_EQUIV notes if the target
13579 register may have more than one set.
13580 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
13581 * gcse.c (try_replace_reg): Likewise.
13582 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
13583 * calls.c (fixup_tail_calls): Likewise. Abort if there is
13584 more than one REG_EQUIV note.
13585 * reload1.c (gen_reload): Use set_unique_reg_note.
13586
13587 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
13588
13589 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
13590 (ix86_builtin_conversion): New function.
13591
13592 2007-02-06 Mark Mitchell <mark@codesourcery.com>
13593
13594 PR target/29487
13595 * tree.h (DECL_REPLACEABLE_P): New macro.
13596 * except.c (set_nothrow_function_flags): Likewise.
13597
13598 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
13599 Ira Rosen <irar@il.ibm.com>
13600 Dorit Nuzman <dorit@il.ibm.com>
13601
13602 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
13603 * targhooks.c (default_builtin_vectorized_conversion): New.
13604 * targhooks.h (default_builtin_vectorized_function): New declaration.
13605 * target.h (struct vectorize): Add builtin_conversion field.
13606 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
13607 stmt_vec_info_type value.
13608 (vectorizable_conversion): New declaration.
13609 * tree-vect-analyze.c (vect_analyze_operations): Add
13610 vectorizable_conversion call.
13611 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
13612 * tree-vect-transform.c (vectorizable_conversion): New function.
13613 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
13614 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
13615 mode.
13616 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
13617 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
13618 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
13619 or ALTIVEC_BUILTIN_VCFSX.
13620
13621 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13622
13623 PR target/30634
13624 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
13625 CONST_DOUBLE and operand 0 is a hard register.
13626 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
13627 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
13628 is a hard floating-point register.
13629
13630 2007-02-10 Richard Henderson <rth@redhat.com>
13631 Jakub Jelinek <jakub@redhat.com>
13632 Alexandre Oliva <aoliva@redhat.com>
13633
13634 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
13635 * builtin-types.def (BT_WORD): Make unsigned.
13636 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
13637 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
13638 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
13639 * c-decl.c (grokdeclarator): Don't error if !have_tls.
13640 * c-parser.c (c_parser_omp_threadprivate): Likewise.
13641 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
13642 emulated tls.
13643 * expr.c (emutls_var_address): New.
13644 (expand_expr_real_1): Expand emulated tls.
13645 (expand_expr_addr_expr_1): Likewise.
13646 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
13647 * output.h (emutls_finish): Declare.
13648 * toplev.c (compile_file): Call it.
13649 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
13650 address before wrapping in CONST.
13651 * varasm.c (emutls_htab, emutls_object_type): New.
13652 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
13653 (get_emutls_object_name, get_emutls_object_type): New.
13654 (get_emutls_init_templ_addr, emutls_decl): New.
13655 (emutls_common_1, emutls_finish): New.
13656 (assemble_variable): When emulating tls, swap decls; generate
13657 constructor for the emutls objects.
13658 (do_assemble_alias): When emulating tls, swap decl and target name.
13659 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
13660 for emulated tls.
13661 * varpool.c (decide_is_variable_needed): Look at force_output.
13662 Recurse for emulated tls.
13663 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
13664 with decide_is_variable_needed.
13665 * emutls.c: New file.
13666 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
13667 tls_object for real tls.
13668
13669 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
13670
13671 PR rtl-optimization/29599
13672 * reload1.c (eliminate_regs_in_insn): Take the destination
13673 mode into account when computing the offset.
13674
13675 2007-02-09 Stuart Hastings <stuart@apple.com>
13676 Richard Henderson <rth@redhat.com>
13677
13678 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13679 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13680 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
13681 fixuns_truncdfhi2): New.
13682 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
13683 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
13684 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
13685 (floatunssidf2): Allow nonimmediate source.
13686 * config/i386/sse.md (movdi_to_sse): New.
13687 (vec_concatv2di): Drop '*'.
13688 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
13689 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13690 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
13691 New.
13692 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
13693 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13694 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
13695 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
13696 (ix86_build_signbit_mask): Fix decl of v, refactor to call
13697 ix86_build_const_vector.
13698 (x86_emit_floatuns): Rewrite.
13699
13700 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13701
13702 * genautomata.c (longest_path_length): Delete unused function.
13703 (struct state): Delete unused longest_path_length.
13704 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
13705 (get_free_state): Delete unused.
13706
13707 2007-02-09 Jan Hubicka <jh@suse.cz>
13708
13709 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
13710 * doc/invoke.texi (inline-unit-growth): Update default value.
13711
13712 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
13713 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
13714 (rebuild_cgraph_edges): Likewise.
13715 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
13716 (dump_cgraph_node): Dump frequencies.
13717 (cgraph_clone_edge): Add frequency scales.
13718 (cgraph_clone_node): Add freuqnecy.
13719 * cgraph.h (cgraph_edge): Add freuqnecy argument.
13720 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
13721 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
13722 * tree-pass.h (TODO_rebuild_frequencies): New constant.
13723 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
13724 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
13725 (save_inline_function_body): Likewise.
13726 * ipa-inline.c: inluce rtl.h
13727 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
13728 (cgraph_edge_badness): Use frequencies.
13729 (cgraph_decide_recursive_inlining): Update clonning.
13730 (cgraph_decide_inlining_of_small_function): Dump frequency.
13731 * predict.c (estimate_bb_frequencies): Export.
13732 * predict.h (estimate_bb_frequencies): Declare.
13733 * tree-inline.c (copy_bb): Watch overflows.
13734 (expand_call_inline): Update call of cgraph_create_edge.
13735 (optimize_inline_calls): Use TODO flags to update frequnecies.
13736 * passes.h: Include predict.h
13737 (init_optimization_passes): Move profile ahead.
13738 (execute_function_todo): Handle TODO_rebuild_frequencies.
13739
13740 2007-02-09 Roger Sayle <roger@eyesopen.com>
13741
13742 * config/alpha/alpha.c (emit_insxl): Force the first operand of
13743 the insbl or inswl pattern into a register.
13744
13745 2007-02-09 Roger Sayle <roger@eyesopen.com>
13746
13747 * config/ia64/ia64.md (bswapdi2): New define_insn.
13748
13749 2007-02-09 Richard Henderson <rth@redhat.com>
13750
13751 * config/i386/constraints.md (Ym): New constraint.
13752 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
13753 (movdi_1_rex64): Split sse and xmm general register moves from
13754 memory move alternatives. Use conditional register constraints.
13755 (movsf_1, movdf_integer): Likewise.
13756 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13757 (movdf_integer_rex64): New.
13758 (pushsf_rex64): Fix output constraints.
13759 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
13760 (sse2_stored): Likewise.
13761 (sse2_storeq_rex64): New.
13762 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
13763 amd and not generic.
13764 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
13765 for optimize_size. Remove SF/DFmode hack.
13766
13767 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
13768
13769 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
13770 (bit_SSE4a): New.
13771
13772 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
13773 Richard Sandiford <richard@codesourcery.com>
13774
13775 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
13776 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
13777 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
13778 m68k/t-mlib to tmake_file.
13779 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
13780 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
13781 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
13782 Allow it to be cf or m68k. Set m68k_arch_family. If that
13783 variable is not empty, add t-$m68k_arch_family to tmake_file.
13784 Add t-mlibs to tmake_file.
13785 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
13786 * config/m68k/t-cf: New file.
13787 * config/m68k/t-m68k: Likewise.
13788 * config/m68k/t-mlibs: Likewise.
13789 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13790 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13791 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13792 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13793 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
13794 Delete.
13795 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
13796 (INSTALL_LIBGCC): Delete.
13797 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13798 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13799 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13800 (M68K_MLIB_CPU): Define.
13801 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13802 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13803 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
13804
13805 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13806 Richard Guenther <rguenther@suse.de>
13807
13808 PR middle-end/23361
13809 * fold-const.c (fold_comparison): Handle obfuscated comparisons
13810 against INT_MIN/INT_MAX.
13811 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
13812 file if a loop is removed.
13813
13814 2007-02-09 Joseph Myers <joseph@codesourcery.com>
13815
13816 * calls.c (store_one_arg): Pass correct alignment to
13817 emit_push_insn for non-BLKmode values.
13818 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
13819 unaligned stack slot via a suitably aligned slot.
13820
13821 2007-02-08 DJ Delorie <dj@redhat.com>
13822
13823 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
13824 warnings.
13825 (legal_subregs): Use unsigned char, make const.
13826 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
13827
13828 2007-02-08 Paul Brook <paul@codesourcery.com>
13829
13830 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
13831 special interworking needed.
13832
13833 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
13834
13835 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
13836 conditional to __SSE2__.
13837 (Entries below should have been added to first ChangeLog
13838 entry for amdfam10 dated 2007-02-05)
13839 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
13840 defined.
13841 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
13842 defined.
13843 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
13844 defined.
13845
13846 2007-02-08 DJ Delorie <dj@redhat.com>
13847
13848 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
13849 * config/m32c/m32c.c (legal_subregs): New.
13850 (m32c_illegal_subreg_p): New.
13851 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
13852 unsupported subregs of hard regs.
13853
13854 2007-02-08 Jan Hubicka <jh@suse.cz>
13855
13856 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
13857 the same one; always update histograms.
13858
13859 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13860
13861 * passes.c (init_optimization_passes): Tidy comment.
13862
13863 2007-02-08 Roger Sayle <roger@eyesopen.com>
13864
13865 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
13866 strip zero_extend, bswap and rotates from POCOUNT's argument.
13867 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
13868 zero_extend and rotates from PARITY's argument.
13869 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
13870 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
13871 of an integer constant at compile-time.
13872
13873 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13874
13875 PR 30562
13876 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
13877 Update all users.
13878 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
13879 users.
13880 (init_alias_info):
13881 * tree-ssa-live.c (remove_unused_locals): Do not remove
13882 TREE_ADDRESSABLE variables.
13883 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
13884 * tree-ssa-operands.c (add_virtual_operand): Remove argument
13885 FOR_CLOBBER. Update all users.
13886 If VAR has an associated alias set, add a virtual operand for
13887 it if no alias is found to conflict with the memory reference.
13888
13889 2007-02-07 Jan Hubicka <jh@suse.cz>
13890 Robert Kidd <rkidd@crhc.uiuc.edu>
13891
13892 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
13893
13894 2007-02-07 Ian Lance Taylor <iant@google.com>
13895
13896 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
13897
13898 2007-02-07 Roger Sayle <roger@eyesopen.com>
13899
13900 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
13901 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
13902 tablejumpdi, movsi_to_cr_one): Remove constraints from
13903 define_expand's match_operands.
13904
13905 2007-02-07 Roger Sayle <roger@eyesopen.com>
13906
13907 * global.c (compute_regsets): Move declatation of "i" inside of
13908 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
13909
13910 2007-02-07 Jakub Jelinek <jakub@redhat.com>
13911
13912 PR c++/30703
13913 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
13914 of INDIRECT_REF <RESULT_DECL>.
13915
13916 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
13917
13918 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
13919 Kaz Kojima <kkojima@gcc.gnu.org>
13920
13921 PR target/29746
13922 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
13923 properly.
13924 (sh_initialize_trampoline): Add parentheses to avoid a warning.
13925
13926 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13927
13928 * doc/loop.texi: Document possibility not to perform disambiguation
13929 of loops with multiple latches.
13930 * cfgloopmanip.c (alp_enum_p): Removed.
13931 (add_loop): Handle subloops. Use get_loop_body_with_size.
13932 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
13933 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
13934 the new forwarder block.
13935 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
13936 Handle the case latch is NULL.
13937 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
13938 when marking loop exits.
13939 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
13940 be modified.
13941 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
13942 disambiguate_loops_with_multiple_latches.
13943 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
13944 before fix_loop_structure.
13945 * cfgloop.c: Include pointer-set.h and output.h.
13946 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
13947 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
13948 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
13949 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
13950 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
13951 disambiguate_multiple_latches, get_loop_body_with_size,
13952 disambiguate_loops_with_multiple_latches): New functions.
13953 (flow_loop_dump): Dump multiple latch edges.
13954 (flow_loop_nodes_find): Handle loops with multiple latches.
13955 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
13956 (glb_enum_p): Modified.
13957 (get_loop_body): Use get_loop_body_with_size.
13958 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
13959 (AVOID_CFG_MODIFICATIONS): New constant.
13960 (disambiguate_loops_with_multiple_latches, add_loop,
13961 get_loop_body_with_size): Declare.
13962 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
13963
13964 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
13965
13966 PR inline-asm/28686
13967 * global.c (compute_regsets): New function.
13968 (global_alloc): Refactored ELIMINABLE_REGSET
13969 and NO_GLOBAL_ALLOC_REGS computation out.
13970 (rest_of_handle_global_alloc): Call compute_regsets()
13971 for non-optimizing case.
13972
13973 2007-02-06 Richard Henderson <rth@redhat.com>
13974
13975 * config/i386/constraints.md (Y2): Rename from Y.
13976 (Yi): New constraint.
13977 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
13978 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
13979 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
13980 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
13981 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
13982 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
13983 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
13984 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
13985 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
13986 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
13987 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
13988 vec_extractv2si_1): Change Y constraints to Y2.
13989 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
13990 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
13991 Change Y constraints to Y2.
13992 (sse2_loadld): Change Y constraints to x.
13993
13994 2007-02-06 Roger Sayle <roger@eyesopen.com>
13995
13996 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
13997 (parity<mode>2): New define_expand using rs6000_emit_parity.
13998 * config/rs6000/rs6000.c (rs6000_emit_popcount,
13999 rs6000_emit_parity): New functions.
14000 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
14001 rs6000_emit_parity): Prototype here.
14002
14003 2007-02-06 Ian Lance Taylor <iant@google.com>
14004
14005 * lower-subreg.c (simple_move_operand): Reject CONST.
14006 (resolve_clobber): Call validate_change rather than directly
14007 assigning to XEXP (pat, 0).
14008
14009 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14010
14011 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
14012 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
14013 (tree-cfg.o): Remove hashtab.h dependency.
14014
14015 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
14016 (struct ivopts_data): Change niters to pointer_map_t.
14017 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
14018 (niter_for_exit): Create pointer_map on demand. Change for
14019 pointer_map API.
14020 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
14021 (free_loop_data): Destroy data->niters if created and reset field.
14022 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
14023 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
14024
14025 * tree-ssa-reassoc.c: Include pointer-set.h.
14026 (bb_rank): Change to long *.
14027 (operand_rank): Change to pointer_map_t.
14028 (find_operand_rank): Return long, -1 if not found. Declare as inline.
14029 (insert_operand_rank): Accept long.
14030 (operand_entry_hash, operand_entry_eq): Remove.
14031 (get_rank): Return long. Adjust for changes above.
14032 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
14033 and operand_rank.
14034 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
14035
14036 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
14037 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
14038 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
14039 is not NULL.
14040 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
14041 directly since it cannot be NULL.
14042 (get_vi_for_tree): Rewrite for pointer_map API.
14043 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
14044 (init_alias_vars): Create vi_for_tree as pointer_map.
14045 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
14046
14047 * tree-cfg.c: Don't include hashtab.h.
14048 (edge_to_cases): Declare as pointer_map.
14049 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
14050 Delete.
14051 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
14052 (start_recording_case_labels): Create edge_to_cases as pointer_map.
14053 (end_recoding_case_labels): Cleanup edge_to_cases manually before
14054 destroying it.
14055 (record_switch_edge): Delete.
14056 (get_cases_for_edge): Adjust for pointer_map API, inline
14057 record_switch_edge (rewritten for new API), remove goto.
14058
14059 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14060
14061 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
14062 * tree-nested.c: Include pointer-set.h.
14063 (var_map_elt, var_map_eq, var_map_hash): Delete.
14064 (struct nesting_info): Remove GTY marker. Change the two htab_t's
14065 to pointer_map_t's.
14066 (nesting_info_bitmap_obstack): New.
14067 (lookup_field_for_decl): Adjust for pointer_map API.
14068 (lookup_tramp_for_decl): Adjust for pointer_map API.
14069 (get_nonlocal_debug_decl): Adjust for pointer_map API.
14070 (get_local_debug_decl): Adjust for pointer_map API.
14071 (convert_nl_goto_reference): Adjust for pointer_map API.
14072 (convert_nl_goto_receiver): Adjust for pointer_map API.
14073 (create_nesting_tree): Create outside GGC space. Create bitmap on
14074 the new obstack. Create field_map and var_map as pointer_maps.
14075 (free_nesting_tree): Adjust for changes to create_nesting_tree.
14076 (root): Delete.
14077 (lower_nested_functions): Move root here, no need to NULL it.
14078 Initialize and release the obstack.
14079
14080 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
14081
14082 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
14083 Remove prototypes and make them non-static.
14084 (struct tree_int_map): Remove.
14085 * tree.h (struct tree_int_map): Move here, turning TO into an
14086 unsigned int.
14087 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
14088
14089 * tree.h (TREE_COMPLEXITY): Remove.
14090 (struct tree_exp): Remove complexity field.
14091 * tree.c (build1_stat): Don't set it.
14092
14093 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
14094 Victor Kaplansky <victork@il.ibm.com>
14095
14096 * tree-vectorizer.c (vect_is_simple_use): Support induction.
14097 (vect_is_simple_reduction): Support reduction with induction as
14098 one of the operands.
14099 (vect_is_simple_iv_evolution): Fix formatting.
14100 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
14101 formatting. Don't mark induction phis for vectorization.
14102 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
14103 * tree-vect-transform.c (get_initial_def_for_induction): New function.
14104 (vect_get_vec_def_for_operand): Support induction.
14105 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
14106 induction case.
14107 (vectorizable_reduction): Support reduction with induction as one of
14108 the operands.
14109 (vectorizable_type_demotion): Use def-type of stmt argument rather
14110 than dummy def-type.
14111
14112 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
14113 flag_tree_scev_cprop.
14114 * common.opt (tree-scev-cprop): New flag.
14115
14116 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
14117 call to vect_get_new_vect_var.
14118
14119 2007-02-06 Ira Rosen <irar@il.ibm.com>
14120
14121 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
14122 vectype is not NULL.
14123 (vect_pattern_recog_1): Likewise.
14124
14125 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14126
14127 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
14128 (fold_negate_expr): Likewise.
14129
14130 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
14131
14132 PR debug/30189
14133 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
14134 even if cv-qualification is the same.
14135
14136 2007-02-05 Geoffrey Keating <geoffk@apple.com>
14137
14138 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
14139 __enable_execute_stack on completion.
14140
14141 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14142
14143 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
14144 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
14145 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
14146 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
14147 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
14148 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
14149 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
14150 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
14151
14152 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14153
14154 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
14155 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
14156 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
14157 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
14158 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
14159 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
14160 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
14161 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
14162 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
14163 umuldi3_highpart_rex64, umulsi3_highpart_insn,
14164 umulsi3_highpart_zext, smuldi3_highpart_rex64,
14165 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
14166 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
14167 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
14168 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
14169 sqrtextenddfxf2_i387): Added amdfam10_decode.
14170
14171 * config/i386/athlon.md (athlon_idirect_amdfam10,
14172 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
14173 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
14174 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
14175 athlon_ivector_store_amdfam10): New define_insn_reservation.
14176 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
14177 amdfam10.
14178
14179 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14180
14181 * config/i386/athlon.md (athlon_call_amdfam10,
14182 athlon_pop_amdfam10, athlon_lea_amdfam10): New
14183 define_insn_reservation.
14184 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
14185 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
14186 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
14187
14188 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14189
14190 * config/i386/athlon.md (athlon_sseld_amdfam10,
14191 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
14192 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
14193
14194 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14195
14196 * config/i386/athlon.md (athlon_sseins_amdfam10): New
14197 define_insn_reservation.
14198 * config/i386/i386.md (sseins): Added sseins to define_attr type
14199 and define_attr unit.
14200 * config/i386/sse.md: Set type attribute to sseins for insertq
14201 and insertqi.
14202
14203 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14204
14205 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
14206 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
14207 ssecomi_load_amdfam10, ssecomi_amdfam10,
14208 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
14209 define_insn_reservation.
14210 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
14211
14212 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14213
14214 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
14215 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
14216 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
14217 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
14218 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
14219 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
14220 define_insn_reservation.
14221
14222 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
14223 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
14224 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
14225 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
14226 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
14227
14228 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14229
14230 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
14231 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
14232 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
14233 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
14234 athlon_ssemul_load_k8): Added amdfam10.
14235
14236 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14237
14238 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
14239 (x86_sse_unaligned_move_optimal): New variable.
14240
14241 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
14242 m_AMDFAM10.
14243 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
14244 for unaligned vector SSE double/single precision loads for AMDFAM10.
14245
14246 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14247
14248 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
14249 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
14250 Define TARGET_CPU_DEFAULT_amdfam10.
14251 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
14252 (processor_type): Add PROCESSOR_AMDFAM10.
14253
14254 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
14255 processor_type in config/i386/i386.h.
14256 Enable imul peepholes for TARGET_AMDFAM10.
14257
14258 * config.gcc: Add support for --with-cpu option for amdfam10.
14259
14260 * config/i386/i386.c (amdfam10_cost): New variable.
14261 (m_AMDFAM10): New macro.
14262 (m_ATHLON_K8_AMDFAM10): New macro.
14263 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
14264 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
14265 x86_promote_QImode, x86_integer_DFmode_moves,
14266 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14267 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
14268 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
14269 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
14270 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
14271 Enable/disable for amdfam10.
14272 (override_options): Add amdfam10_cost to processor_target_table.
14273 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
14274 processor_alias_table.
14275 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
14276 (ix86_adjust_cost): Add code for amdfam10.
14277
14278 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14279
14280 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
14281 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
14282 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
14283 * config/i386/i386.h: Add builtin definition for SSE4A.
14284 * config/i386/i386.md: Add support for ABM instructions
14285 (popcnt and lzcnt).
14286 * config/i386/sse.md: Add support for SSE4A instructions
14287 (movntss, movntsd, extrq, insertq).
14288 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
14289 Add -march=amdfam10 flag.
14290 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
14291 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
14292 and amdfam10.
14293 * doc/extend.texi: Add documentation for SSE4A builtins.
14294
14295 2007-02-05 Bob Wilson <bob.wilson@acm.org>
14296
14297 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
14298
14299 2007-02-05 Richard Guenther <rguenther@suse.de>
14300
14301 * tree-vectorizer.h (vectorizable_function): Add argument type
14302 argument, change return type.
14303 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
14304 * tree-vect-transform.c (vectorizable_function): Handle extra
14305 argument, return vectorized function decl.
14306 (build_vectorized_function_call): Remove.
14307 (vectorizable_call): Handle calls with result and argument types
14308 differing. Handle loop vectorization factor correctly.
14309 * targhooks.c (default_builtin_vectorized_function): Adjust for
14310 extra argument.
14311 * targhooks.h (default_builtin_vectorized_function): Likewise.
14312 * target.h (builtin_vectorized_function): Add argument type
14313 argument.
14314 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
14315 extra argument, allow vectorizing of lrintf.
14316 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
14317 documentation of target hook.
14318
14319 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
14320
14321 PR target/30665
14322 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
14323 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
14324 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
14325
14326 2007-02-05 Roger Sayle <roger@eyesopen.com>
14327
14328 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
14329 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
14330 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
14331 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
14332 before canonicalizing sincos to cexpi.
14333 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
14334
14335 2007-02-05 Roger Sayle <roger@eyesopen.com>
14336
14337 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
14338 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
14339 (alpha_init_builtins): Use alpha_add_builtins to process tables.
14340
14341 2007-02-05 Roger Sayle <roger@eyesopen.com>
14342
14343 * mips-tfile.c (initialize_init_file): Correct endianness test.
14344
14345 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
14346
14347 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
14348 the 'y' constraint.
14349
14350 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14351
14352 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
14353 saves in a PARALLEL before the register assignments.
14354
14355 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14356
14357 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
14358 DWARF_FRAME_RETURN_COLUMN to be a general register.
14359 * dwarf2out.c (init_return_column_size): New function, split from...
14360 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
14361 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
14362 to be nongeneral registers.
14363 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
14364 integer registers.
14365 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
14366 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
14367
14368 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14369
14370 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
14371
14372 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14373
14374 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
14375 (remove_path): Use can_remove_branch_p and remove_branch instead
14376 of loop_delete_branch_edge.
14377 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
14378 (tree_transform_and_unroll_loop): Remove dead branches immediately.
14379 Update profile using scale_dominated_blocks_in_loop.
14380 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
14381 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
14382 (can_remove_branch_p, remove_branch): Declare.
14383 * tree-cfg.c (tree_can_remove_branch_p): New function.
14384 (tree_cfg_hooks): Add tree_can_remove_branch_p.
14385 * cfgrtl.c (rtl_can_remove_branch_p): New function.
14386 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
14387
14388 2007-02-05 Jan Hubicka <jh@suse.cz>
14389
14390 PR middle-end/30696
14391 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
14392 nodes in cgraph, don't remove offline copy of the function.
14393
14394 2007-02-04 Jan Hubicka <jh@suse.cz>
14395
14396 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
14397 vectors might cause maybe_lookup_element_for_expr to be called
14398 on non-sra-candidate.
14399
14400 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14401
14402 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
14403 config/bfin/bfin.md, config/bfin/predicates.md: Follow
14404 spelling conventions.
14405
14406 2007-02-04 Richard Guenther <rguenther@suse.de>
14407
14408 PR middle-end/30636
14409 * fold-const.c (try_move_mult_to_index): Make sure to not
14410 overflow one dimension of a multi-dimensional array access.
14411
14412 2007-02-04 Jan Hubicka <jh@suse.cz>
14413
14414 * passes.c (init_optimization_passes): Reindent.
14415
14416 2007-02-04 Jan Hubicka <jh@suse.cz>
14417 Eric Botcazou <ebotcazou@adacore.com>
14418
14419 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
14420 (execute_fixup_cfg): Break out the abnormal goto code.
14421 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
14422 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
14423 (optimize_inline_calls): Call make_nonlocal_label_edges.
14424
14425 2007-02-04 Jan Hubicka <jh@suse.cz>
14426
14427 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
14428 true when something was changed.
14429 (rename_ssa_copies): When something was changed, do
14430 TODO_remove_unused_locals.
14431 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
14432 add TODO_remove_unused_locals when instruction was removed.
14433
14434 2007-02-04 Jan Hubicka <jh@suse.cz>
14435
14436 * ipa-inline.c (try_inline): Improve debug output; work on already
14437 inline edges too.
14438 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
14439 call try_inline for already inlined edges too when flattening;
14440 inline also functions that make callee growth but overall unit size
14441 reduce.
14442
14443 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14444
14445 * config/m32c/bitops.md, config/m32c/jump.md,
14446 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
14447 config/m32r/m32r.h, config/m32r/m32r.md,
14448 config/m32r/predicates.md, config/m68hc11/larith.asm,
14449 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
14450 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
14451 config/mips/mips-protos.h, config/mips/mips.c,
14452 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
14453 config/mn10300/mn10300.h, config/mn10300/predicates.md,
14454 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
14455 spelling conventions.
14456
14457 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
14458 Follow spelling conventions.
14459
14460 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
14461
14462 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
14463 warn about C++0x compatibility.
14464
14465 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14466
14467 * config/h8300/h8300.c, config/h8300/h8300.h,
14468 config/h8300/h8300.md: Follow spelling conventions.
14469
14470 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
14471
14472 PR middle-end/30667
14473 * combine.c (try_combine): Do not substitute source operand
14474 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
14475
14476 2007-02-03 Jan Hubicka <jh@suse.cz>
14477
14478 PR gcov-profile/30650
14479 * value-prof.c (stringop_block_profile): Fix handling of size counter;
14480 do not divide by zero for never executed counters.
14481 (tree_find_values_to_profile): Fix counters.
14482 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
14483
14484 2007-02-03 Ian Lance Taylor <iant@google.com>
14485
14486 * lower-subreg.c (simple_move_operand): New static function,
14487 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
14488 operands.
14489 (simple_move): Call simple_move_operand.
14490 (find_decomposable_subregs): Add special handling of MEMs.
14491 (can_decompose_p): Rename from cannot_decompose_p. Reverse
14492 meaning of return value. If we see a hard register, test whether
14493 it can store a word_mode value. Change all callers.
14494
14495 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14496
14497 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
14498 ftrapv insns and expanders.
14499 (subdi3): Change define_expand operand 1 to arith11_operand, and
14500 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
14501 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
14502 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
14503 respectively.
14504
14505 PR middle-end/30174
14506 * varasm.c (notice_global_symbol): Treat global objects as weak when
14507 flag_shlib is true.
14508
14509 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14510
14511 * emit-rtl.c (dconstpi): Delete.
14512 (dconstsqrt2): New.
14513 (init_emit_once): Delete dconstpi and init dconstsqrt2.
14514 * real.h (dconstpi): Delete.
14515 (dconstsqrt2): New.
14516 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
14517 (fold_builtin_hypot): Likewise.
14518
14519 2007-02-03 Tom Tromey <tromey@redhat.com>
14520
14521 PR driver/30246
14522 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
14523 -gcoff3, -gxcoff3, -gvms3 implies -dD.
14524
14525 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
14526
14527 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
14528 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
14529 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
14530 config/rs6000/cell.md, config/rs6000/darwin.h,
14531 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
14532 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
14533 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
14534 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
14535 typos. Follow spelling conventions.
14536 * doc/invoke.texi: Follow spelling conventions.
14537
14538 2007-02-03 Roger Sayle <roger@eyesopen.com>
14539
14540 * simplify-rtx.c (simplify_relational_operation_1): Implement some
14541 canonicalization transformations that attempt to simplify integer
14542 constant comparisons to become comparisons against zero.
14543
14544 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14545
14546 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
14547 fabs(x)*sqrt(2).
14548 * fold-const.c (fold_binary): Fix comment typos. Fold complex
14549 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
14550
14551 2007-02-02 Mike Stump <mrs@apple.com>
14552
14553 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
14554 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
14555 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
14556 generate a branch island.
14557
14558 2007-02-02 Bob Wilson <bob.wilson@acm.org>
14559
14560 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
14561 (xtensa_legitimate_address_p): New.
14562 (xtensa_legitimize_address): New.
14563 (xtensa_output_addr_const_extra): New.
14564 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
14565 (BASE_REG_P): New.
14566 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
14567 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
14568 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
14569 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
14570 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
14571 (xtensa_legitimize_address): New.
14572 (xtensa_output_addr_const_extra): New.
14573
14574 2007-02-02 Steve Ellcey <sje@cup.hp.com>
14575
14576 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
14577
14578 2007-02-02 Ian Lance Taylor <iant@google.com>
14579
14580 * expmed.c (expand_divmod): Add comment.
14581
14582 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
14583
14584 * emit-rtl.c (renumber_insns): Remove.
14585 * flags.h: Remove the extern for flag_renumber_insns.
14586 * rtl.h: Remove the prototype for renumber_insns.
14587 * toplev.c (flag_renumber_insns): Remove.
14588
14589 2007-02-02 Hui-May Chang <hm.chang@apple.com>
14590
14591 Revert for x86 darwin:
14592 2005-06-19 Uros Bizjak <uros@kss-loka.si>
14593
14594 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
14595 code before the following patch under TARGET_MACHO.
14596 (ix86_function_value_regno_p): Likewise.
14597
14598 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14599
14600 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
14601 COMPLEX_EXPR.
14602
14603 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14604
14605 PR target/29682
14606 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
14607 general or fp registers. Add comments.
14608 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
14609
14610 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
14611
14612 * pointer-set.c (insert_aux): Only return insertion slot.
14613 (pointer_set_insert): Adjust.
14614 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
14615 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
14616 pointer_map_traverse): New.
14617 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
14618 pointer_map_create, pointer_map_destroy, pointer_map_insert,
14619 pointer_map_contains, pointer_map_traverse): Declare.
14620
14621 2007-02-02 Jakub Jelinek <jakub@redhat.com>
14622
14623 PR middle-end/30473
14624 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
14625 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
14626
14627 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14628
14629 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
14630
14631 (struct _dep): New type.
14632 (dep_t): New typedef.
14633 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
14634 (DEP_STATUS): New access macro. The macro with the same name was
14635 renamed to DEP_LINK_STATUS.
14636 (dep_init): Declare function
14637
14638 (struct _dep_link): New type.
14639 (dep_link_t): New typedef.
14640 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
14641 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
14642 (DEP_LINK_STATUS): New macro.
14643 (debug_dep_links): New debug function.
14644
14645 (struct _deps_list): New type.
14646 (deps_list_t): New typedef.
14647 (DEPS_LIST_FIRST): New access macro.
14648 (FOR_EACH_DEP_LINK): New cycle macro.
14649 (create_deps_list, free_deps_list, delete_deps_list): Declare
14650 functions.
14651 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
14652 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
14653 (copy_deps_list_change_con): Ditto.
14654
14655 (move_dep_link): Declare function.
14656
14657 (struct _dep_node): New type.
14658 (dep_node_t): New typedef.
14659 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
14660
14661 (struct haifa_insn_data.back_deps): New field to hold backward
14662 dependencies of the insn.
14663 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
14664 to deps_list_t.
14665 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
14666 Change its type to deps_list_t.
14667 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
14668 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
14669 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
14670
14671 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
14672
14673 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
14674
14675 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
14676 all callers.
14677 (dep_cost): Declare.
14678
14679 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
14680 (ds_to_dk, dk_to_ds): New functions.
14681
14682 (init_dep_1): New static function.
14683 (init_dep): New function.
14684 (copy_dep): New static function.
14685
14686 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
14687 functions.
14688 (detach_dep_link): New static function.
14689 (move_dep_link): New function.
14690
14691 (dep_links_consistent_p, dump_dep_links): New static functions.
14692 (debug_dep_links): New debugging function.
14693
14694 (deps_obstack, dl_obstack, dn_obstack): New static variables.
14695
14696 (alloc_deps_list, init_deps_list): New static functions.
14697 (create_deps_list): New function.
14698 (clear_deps_list): New static function.
14699 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
14700 (deps_list_consistent_p, dump_deps_list): New static functions.
14701 (debug_deps_list): New function.
14702 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
14703 functions.
14704 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
14705
14706 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
14707 use new scheduler dependencies lists.
14708 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
14709 (sched_analyze): Ditto. Initialize dependencies lists.
14710 (add_forw_dep, compute_forward_dependences): Update to use new
14711 scheduler dependencies lists.
14712
14713 (init_dependency_caches): Init deps_obstack.
14714 (free_dependency_caches): Free deps_obstack.
14715
14716 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
14717 new scheduler dependencies lists.
14718 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
14719 (add_back_forw_dep, delete_back_forw_dep): Ditto.
14720
14721 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
14722 Update to use new scheduler dependencies lists.
14723 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
14724 (debug_dependencies): Ditto.
14725 (schedule_region): Update comments.
14726
14727 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
14728 scheduler dependencies lists.
14729 (schedule_ebb): Update comments.
14730
14731 * rtl.def (DEPS_LIST): Remove.
14732
14733 * lists.c (unused_deps_list): Remove.
14734 (free_list): Update assertions.
14735
14736 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
14737 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14738
14739 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
14740 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14741
14742 * haifa-sched.c (comments): Update.
14743 (insn_cost1): Remove. Inline the code into insn_cost ().
14744 (insn_cost): Update to use new scheduler dependencies lists. Move
14745 processing of the dependency cost to dep_cost ().
14746 (dep_cost): New function. Use it instead of insn_cost () when
14747 evaluating cost of the dependency. Use compatible interface to
14748 interact with the target.
14749 (priority): Update to use new scheduler dependencies lists.
14750 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
14751 with greater number of insns that depend on the insn.
14752 (schedule_insn): Update to use new scheduler dependencies lists. Add
14753 code to free backward dependencies lists. Inline and optimize code
14754 from resolve_dep () - see PR28071.
14755 (ok_for_early_queue_removal): Update to use new scheduler dependencies
14756 lists. Update call to targetm.sched.is_costly_dependence hook.
14757
14758 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
14759 scheduler dependencies lists.
14760
14761 (resolve_dep): Remove. Move the logic to schedule_insn ().
14762 (init_h_i_d): Initialize dependencies lists.
14763
14764 (process_insn_depend_be_in_spec): Rename to
14765 process_insn_forw_deps_be_in_spec. Update to use new scheduler
14766 dependencies lists.
14767 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
14768 Update to use new scheduler dependencies lists.
14769 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
14770
14771 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
14772 new scheduler dependencies lists.
14773 (build_intra_loop_deps): Ditto.
14774
14775 * target.h (struct _dep): Declare to use in
14776 gcc_target.sched.is_costly_dependence.
14777 (struct gcc_target.sched.adjust_cost): Fix typo.
14778 (struct gcc_target.sched.is_costly_dependence): Change signature to use
14779 single dep_t parameter instead of an equivalent triad.
14780 (struct gcc_target.sched.adjust_cost_2): Remove.
14781
14782 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
14783
14784 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
14785
14786 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
14787 documentation.
14788 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
14789
14790 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
14791 (REG_DEP_TRUE): Document.
14792
14793 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
14794 Change signature to correspond to the targetm.sched.adjust_cost hook.
14795 Update use in TARGET_SCHED_ADJUST_COST_2.
14796 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
14797 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
14798 new scheduler dependencies lists.
14799 (ia64_gen_check): Ditto.
14800
14801 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
14802 dependencies lists.
14803
14804 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
14805 signature to correspond to the targetm.sched.is_costly_dependence hook.
14806 (is_costly_group): Update to use new scheduler dependencies lists.
14807
14808 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
14809 instead of INSN_COST () macro.
14810
14811 2007-02-01 Ian Lance Taylor <iant@google.com>
14812
14813 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
14814
14815 2007-02-01 Guy Martin <gmsoft@gentoo.org>
14816
14817 * pa.md (tp_load): Correct mfctl instruction syntax.
14818
14819 2007-02-01 Geoffrey Keating <geoffk@apple.com>
14820
14821 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
14822 altivec_padding_size calculation on AIX. Improve comment, add
14823 assert to verify that it's right.
14824
14825 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
14826 64-bit.
14827
14828 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
14829
14830 PR inline-asm/28686
14831 * global.c (global_alloc): Add mising initialization of
14832 ELIMINABLE_REGSET.
14833
14834 2007-02-01 Roger Sayle <roger@eyesopen.com>
14835
14836 * alias.c (init_alias_analysis): Correct whitespace.
14837 * bb-reorder.c (fix_edges_for_rarely_executed_code,
14838 partition_hot_cold_basic_blocks): Likewise.
14839 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
14840 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
14841 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
14842 fold_builtin_snprintf_chk, fold_builtin_printf,
14843 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
14844 do_mpfr_arg3, do_mpfr_sincos): Likewise.
14845 * cfgcleanup.c (cleanup_cfg): Likewise.
14846 * cfgexpand.c (tree_expand_cfg): Likewise.
14847 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
14848 * function.c (get_next_funcdef_no): Likewise.
14849 * gengtype.c (main): Likewise.
14850 * genmodes.c (main): Likewise.
14851 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
14852 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
14853 * ifcvt.c (noce_emit_move_insn): Likewise.
14854 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
14855 Likewise.
14856 * stor-layout.c (get_best_mode): Likewise.
14857 * tree-ssa-loop-niter.c (get_val_for): Likewise.
14858 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
14859 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
14860 perform_var_substitution, solve_graph): Likewise.
14861 * tree-vrp.c (vrp_finalize): Likewise.
14862
14863 2007-02-01 Ian Lance Taylor <iant@google.com>
14864
14865 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
14866 high part of a paradoxical subreg, return a constant zero.
14867
14868 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
14869
14870 * toplev.c (lang_dependent_init): Call init_set_costs.
14871 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
14872
14873 2007-02-01 Richard Guenther <rguenther@suse.de>
14874
14875 PR middle-end/30656
14876 * fold-const.c (fold_negate_expr): Allow negating a
14877 constant if overflow does not change.
14878
14879 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14880
14881 * doc/c-tree.texi (Expression trees): Improve markup.
14882 * doc/tm.texi (Register Classes, Addressing Modes)
14883 (Floating Point): Fix spacing after abbreviations. Fix some
14884 typos.
14885
14886 2007-02-01 Ben Elliston <bje@au.ibm.com>
14887
14888 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
14889 * doc/contrib.texi: Likewise.
14890 * doc/install.texi: Likewise.
14891
14892 2007-01-31 Richard Henderson <rth@redhat.com>
14893 Ian Lance Taylor <iant@google.com>
14894
14895 * lower-subreg.c: New file.
14896 * rtl.def (CONCATN): Define.
14897 * passes.c (init_optimization_passes): Add pass_lower_subreg and
14898 pass_lower_subreg2.
14899 * emit-rtl.c (update_reg_offset): New static function, broken out
14900 of gen_rtx_REG_offset.
14901 (gen_rtx_REG_offset): Call update_reg_offset.
14902 (gen_reg_rtx_offset): New function.
14903 * regclass.c: Revert patch of 2006-03-05, restoring
14904 reg_scan_update.
14905 (clear_reg_info_regno): New function.
14906 * dwarf2out.c (concatn_loc_descriptor): New static function.
14907 (loc_descriptor): Handle CONCATN.
14908 * common.opt (fsplit_wide_types): New option.
14909 * opts.c (decode_options): Set flag_split_wide_types when
14910 optimizing.
14911 * timevar.def (TV_LOWER_SUBREG): Define.
14912 * rtl.h (gen_reg_rtx_offset): Declare.
14913 (reg_scan_update): Declare.
14914 * regs.h (clear_reg_info_regno): Declare.
14915 * tree-pass.h (pass_lower_subreg): Declare.
14916 (pass_lower_subreg2): Declare.
14917 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
14918 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
14919 -fsplit-wide-types.
14920 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
14921 * Makefile.in (OBJS-common): Add lower-subreg.o.
14922 (lower-subreg.o): New target.
14923
14924 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14925
14926 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
14927
14928 2007-01-31 Anatoly Sokolov <aesok@post.ru>
14929
14930 PR target/19087
14931 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
14932
14933 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14934
14935 PR middle-end/29335
14936 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
14937
14938 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
14939
14940 * cfgloop.h: Include vec-prim.h.
14941 (enum li_flags): Remove LI_ONLY_OLD.
14942 (loop_iterator): Changed.
14943 (fel_next, fel_init): Iterate over loop tree.
14944 (FOR_EACH_LOOP_BREAK): New macro.
14945 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
14946 FOR_EACH_LOOP.
14947 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
14948 * modulo-sched.c (sms_schedule): Ditto.
14949 * tree-vectorizer.c (vectorize_loops): Ditto.
14950 * doc/loop.texi: Update information on loop numbering and behavior of
14951 FOR_EACH_LOOP wrto new loops.
14952 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14953 add_to_evolution_1): Test nestedness of loops instead of comparing
14954 their numbers.
14955 * tree-chrec.c (chrec_fold_plus_poly_poly,
14956 chrec_fold_multiply_poly_poly, chrec_evaluate,
14957 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
14958 reset_evolution_in_loop): Ditto.
14959 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
14960
14961 2007-01-31 Dirk Mueller <dmueller@suse.de>
14962
14963 * c-common.c (warn_about_parentheses): Separate warning about
14964 un-parenthized sequence of comparison operators from the one
14965 which is supposed to warn about x <= y <= z.
14966
14967 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
14968
14969 * optabs.h (enum optab_index): Add new OTI_isinf.
14970 (isinf_optab): Define corresponding macro.
14971 * optabs.c (init_optabs): Initialize isinf_optab.
14972 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
14973 patterns.
14974 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
14975 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
14976 using isinf_optab.
14977 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
14978 expand_builtin_interclass_mathfn.
14979 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
14980 * config/i386/i386.md (UNSPEC_FXAM): New constant.
14981 (fxam<mode>2_i387): New insn pattern.
14982 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
14983 built-in functions as x87 inline asm.
14984
14985 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14986
14987 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
14988
14989 2007-01-30 Eric Christopher <echristo@apple.com>
14990
14991 * config.gcc: Add geode.
14992
14993 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14994
14995 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
14996 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
14997 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
14998 value-prof.c: Fix comment typos.
14999
15000 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15001
15002 PR c++/24745
15003 * doc/invoke.texi (Wpointer-arith): Document warning.
15004
15005 2007-01-30 Janis Johnson <janis187@us.ibm.com>
15006
15007 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
15008 the list of discrepancies from the draft TR.
15009
15010 2007-01-30 Dirk Mueller <dmueller@suse.de>
15011
15012 PR c++/30601
15013 * doc/invoke.texi (-Wreturn-type): Update description to
15014 match new behavior.
15015
15016 2007-01-30 Richard Sandiford <richard@codesourcery.com>
15017
15018 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
15019
15020 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
15021
15022 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
15023 to handle optabs that operate on floating point input argument and
15024 output to integer output.
15025 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
15026 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
15027 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
15028 expand_builtin_interclass_mathfn ().
15029 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
15030 (ilogbsi2): Remove.
15031 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
15032 ilogbl built-in functions as x87 intrinsics.
15033
15034 2007-01-30 Richard Guenther <rguenther@suse.de>
15035
15036 PR middle-end/27657
15037 * dwarf2out.c (reference_to_unused): Query varpool if the
15038 variable was output.
15039
15040 2007-01-30 Richard Guenther <rguenther@suse.de>
15041
15042 PR middle-end/30313
15043 * passes.c (execute_one_pass): Reset in_gimple_form to not
15044 confuse non-unit-at-a-time mode.
15045
15046 2007-01-29 Roger Sayle <roger@eyesopen.com>
15047 Richard Guenther <rguenther@suse.de>
15048
15049 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
15050 avoid undefined behaviour on overflow. Use force_fit_type_double
15051 to construct the constant with the specified TREE_OVERFLOW.
15052
15053 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15054
15055 * config/dfp-bit.c: Add parameterized support for fp exceptions.
15056 * config/dfp-bit.h: Ditto.
15057
15058 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15059
15060 * c-decl.c (pop_scope): Replace warnings with call to
15061 warn_for_unused_label.
15062 * c-common.h (warn_for_unused_label): Declare.
15063 * c-common.c (warn_for_unused_label): Define.
15064
15065 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15066
15067 * tree-optimize.c (update_inlined_to_pointers): Delete unused
15068 function.
15069
15070 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15071
15072 * Makefile.in (USER_H): Remove decfloat.h.
15073 * ginclude/decfloat.h: Delete, moving contents to ...
15074 * ginclude/float.h: Add support for decimal floating point,
15075 guarded by __STDC_WANT_DEC_FP__.
15076
15077 2007-01-29 Mike Stump <mrs@apple.com>
15078
15079 * doc/gccint.texi (Top): Rename Loop Representation to Loop
15080 Analysis and Representation to resolve case insensitive conflict.
15081 * doc/loop.texi (Loop Analysis and Representation): Likewise.
15082
15083 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
15084
15085 * tree.h (struct tree_memory_tag): Add aliases member.
15086 (MTAG_ALIASES): New macro.
15087 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
15088 (add_may_alias): Remove pointer-set. Update for may_aliases being
15089 a bitmap.
15090 (mark_aliases_call_clobbered): Update for may_aliases being a
15091 bitmap.
15092 (compute_tag_properties): Ditto.
15093 (create_partition_for): Ditto.
15094 (compute_memory_partitions): Ditto.
15095 (dump_may_aliases_for): Ditto.
15096 (is_aliased_with): Ditto.
15097 (add_may_alias_for_new_tag): Ditto.
15098 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
15099 (compute_is_aliased): New function.
15100 (compute_may_aliases): Call compute_is_aliased).
15101 (init_alias_info): Initialize alias_bitmap_obstack.
15102 (union_alias_set_into): New function.
15103 (compute_flow_sensitive_aliasing): Use union_aliases_into.
15104 (have_common_aliases_p): Rewrite to take two bitmaps and use
15105 intersection.
15106 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
15107 Update for bitmaps.
15108 (finalize_ref_all_pointers): Update for add_may_alias changes.
15109 (new_type_alias): Ditto.
15110 * tree-flow-inline.h (may_aliases): Return a bitmap.
15111 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
15112 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
15113 may_aliases being a bitmap.
15114 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
15115 may_aliases now returns a bitmap.
15116 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
15117 being a bitmap.
15118 * tree-ssa-operands.c (add_virtual_operand): Update for
15119 may_aliases being a bitmap.
15120
15121 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
15122
15123 PR tree-optimization/30630
15124 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
15125 variable as changed.
15126
15127 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
15128
15129 PR c++/28266
15130 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
15131 expanded only once even if an error occurs.
15132
15133 2007-01-29 Ben Elliston <bje@au.ibm.com>
15134
15135 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
15136 (__gcov_average_profiler): Likewise.
15137 (__gcov_ior_profiler): Likewise.
15138 (__gcov_merge_ior): Likewise.
15139
15140 2007-01-28 Jan Hubicka <jh@suse.cz>
15141
15142 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
15143 * value-prof.c (stringop_block_profile): Likewise.
15144
15145 2007-01-28 Jan Hubicka <jh@suse.cz>
15146
15147 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
15148 variant handling histograms; add wrapper.
15149 (clear_storage_via_libcall): Export.
15150 (emit_block_move_hints): Break out from ...; add histograms.
15151 (emit_block_move): ... this one.
15152 (clear_storage_hints): Break out from ...; add histograms.
15153 (clear_storage): ... this one.
15154 (set_storage_via_memset): Handle histogram.
15155 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
15156 (clear_storage_hints, clear_storage_via_libcall): Declare.
15157 (set_storage_via_setmem): Update prototype.
15158 * doc/md.texi (movmem, setmem): Document new arguments.
15159
15160 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
15161 new histograms.
15162 (stringop_block_profile): New global function.
15163 (tree_stringops_values_to_profile): Profile block size and alignment.
15164 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
15165 HIST_TYPE_IOR.
15166 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
15167 (stringop_block_profile): Declare.
15168 * builtins.c: Include value-prof.h.
15169 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
15170 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
15171 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
15172 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
15173 * profile.c (instrument_values): Add new counters.
15174 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
15175 calls.
15176 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
15177 (tree_init_edge_profiler): Build new profilers.
15178 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
15179 (pass_tree_profile): Add dump.
15180 (tree_profile_hooks): Update.
15181 * Makefile.in (LIBGCOV): Add new constants.
15182 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
15183 __gcov_ior_profiler): New.
15184 * i386.md (movmem/setmem expanders): Add new optional arguments.
15185
15186 2007-01-28 David Edelsohn <edelsohn@gnu.org>
15187
15188 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
15189
15190 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15191
15192 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
15193 (tree_unswitch_single_loop): Pass eni_size_weights to
15194 tree_num_loop_insns.
15195 * tree-ssa-loop-manip.c: Include tree-inline.h.
15196 (can_unroll_loop_p): Pass eni_size_weights to
15197 tree_num_loop_insns.
15198 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
15199 Pass eni_size_weights to estimate_num_insns.
15200 * tree.h (init_inline_once): Export.
15201 * toplev.c (backend_init): Call init_inline_once.
15202 * cgraphunit.c (cgraph_process_new_functions,
15203 cgraph_analyze_function): Pass eni_inlining_weights to
15204 estimate_num_insns.
15205 * ipa-inline.c (compute_inline_parameters): Ditto.
15206 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
15207 to estimate_num_insns.
15208 (try_unroll_loop_completely): Pass eni_size_weights to
15209 tree_num_loop_insns.
15210 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
15211 ot estimate_num_insns.
15212 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
15213 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
15214 * tree-inline.c (eni_inlining_weights, eni_size_weights,
15215 eni_time_weights): New variables.
15216 (init_inline_once): Initialize them.
15217 (struct eni_data): Mew.
15218 (estimate_num_insns_1, estimate_num_insns): Use weights.
15219 * tree-inline.h (struct eni_weights_d): New.
15220 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
15221 (estimate_num_insns): Declaration changed.
15222 * cfgloop.h (tree_num_loop_insns): Declaration changed.
15223 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
15224 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
15225
15226 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15227
15228 * tree-data-ref.c (conflict_fn): Assert that the number of affine
15229 relations in the conflict function is valid.
15230
15231 2007-01-27 Ian Lance Taylor <iant@google.com>
15232
15233 * common.opt: Add fstrict-overflow.
15234 * opts.c (decode_options): Set flag_strict_overflow if -O2.
15235 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
15236 (TYPE_OVERFLOW_UNDEFINED): Define.
15237 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
15238 Replace all uses.
15239 * tree.h (TYPE_TRAP_SIGNED): Don't define.
15240 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
15241 (fold_negate_expr): Likewise.
15242 (make_range): Likewise.
15243 (extract_muldiv_1): Likewise.
15244 (maybe_canonicalize_comparison): Likewise.
15245 (fold_comparison): Likewise.
15246 (fold_binary): Likewise.
15247 (tree_expr_nonnegative_p): Likewise.
15248 (tree_expr_nonzero_p): Likewise.
15249 * tree-vrp.c (compare_values): Likewise.
15250 (extract_range_from_binary_expr): Likewise.
15251 (extract_range_from_unary_expr): Likewise.
15252 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
15253 Likewise.
15254 (nowrap_type_p): Likewise.
15255 * tree-scalar-evolution.c (simple_iv): Likewise.
15256 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
15257 (build_range_check): Likewise.
15258 (extract_muldiv_1): Likewise.
15259 (fold_comparison): Likewise.
15260 * tree-vrp.c (vrp_int_const_binop): Likewise.
15261 (extract_range_from_unary_expr): Likewise.
15262 * convert.c (convert_to_integer): Likewise.
15263 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
15264 (fold_comparison): Likewise.
15265 (fold_binary): Likewise.
15266 * optabs.c (optab_for_tree_code): Likewise.
15267 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
15268 * simplify-rtx.c (simplify_const_relational_operation): Check
15269 flag_strict_overflow and flag_trapv.
15270 (simplify_const_relational_operation): Likewise.
15271 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
15272 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
15273 -fstrict-overflow.
15274
15275 2007-01-27 Roger Sayle <roger@eyesopen.com>
15276
15277 * tree.c (tree_fold_gcd): Delete.
15278 * tree.h (tree_fold_gcd): Remove prototype.
15279 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
15280 test whether one constant integer is a multiple of another. Instead
15281 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
15282 * fold-const.c (multiple_of_p): We've determined both TOP and
15283 BOTTOM are integer constants so we can call int_const_binop directly
15284 instead of the more generic const_binop.
15285
15286 2007-01-27 Roger Sayle <roger@eyesopen.com>
15287
15288 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
15289 1*X check that the constant hasn't overflowed, to preserve the
15290 TREE_OVERFLOW bit.
15291 (round_up): Provide an efficient implementation when rouding-up an
15292 INTEGER_CST to a power-of-two.
15293
15294 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15295
15296 * doc/sourcebuild.texi: Add comma for clarity.
15297 * doc/extend.texi: Fix some typos.
15298 * doc/passes.texi: Likewise.
15299 * doc/cppinternals.texi: Likewise.
15300 * doc/c-tree.texi: Likewise.
15301 * doc/tree-ssa.texi: Likewise.
15302 * doc/install.texi: Likewise.
15303
15304 2007-01-27 Jan Hubicka <jh@suse.cz>
15305
15306 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
15307 (pass_sra): Do not require alias information.
15308 * passes.c (init_optimization_passes): Add SRA
15309
15310 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
15311
15312 * tracer.c (rest_of_handle_tracer): We already cleaned
15313 up the CFG in tracer() so don't do it here again.
15314 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
15315 cleanup_cfg here, either. And don't call renumber_insns.
15316
15317 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
15318 and BB_HEAD are in the insn stream here. Instead make sure
15319 that BB_INSN is valid on all insns. Also, do check here that
15320 there are no pending branch predictions...
15321 (rtl_verify_flow_info): ...instead of doing it here. Checks
15322 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
15323 here.
15324
15325 2007-01-26 Roger Sayle <roger@eyesopen.com>
15326
15327 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
15328 function to simplify/factorize operand order canonicalization.
15329 (ix86_fixup_binary_operands): Reorganize using the above function.
15330 (ix86_binary_operator_ok): Likewise.
15331
15332 2007-01-27 Jakub Jelinek <jakub@redhat.com>
15333
15334 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
15335 file scope from optimize_attrs.
15336 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
15337 up search.
15338 (optimize_attrs): Clear insn_code_values after freeing it.
15339
15340 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15341
15342 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
15343 a parts.base assignment.
15344
15345 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15346
15347 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
15348 (compute_subscript_distance, initialize_data_dependence_relation,
15349 finalize_ddr_dependent, analyze_ziv_subscript,
15350 analyze_siv_subscript_cst_affine,
15351 compute_overlap_steps_for_affine_univar,
15352 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
15353 analyze_siv_subscript, analyze_miv_subscript,
15354 analyze_overlapping_iterations, subscript_dependence_tester_1,
15355 compute_self_dependence, free_dependence_relation): Work
15356 with affine_fn instead of chrecs.
15357 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
15358 common_affine_function, affine_function_base,
15359 affine_function_constant_p, affine_fn_op, affine_fn_plus,
15360 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
15361 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
15362 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
15363 (all_chrecs_equal_p): Removed.
15364 * tree-data-ref.h (affine_fn, conflict_function): New types.
15365 (struct subscript): Change type of conflicting_iterations_in_a
15366 and conflicting_iterations_in_b.
15367
15368 2007-01-26 Steve Ellcey <sje@cup.hp.com>
15369
15370 PR other/30182
15371 * config/pa/pa.h (TARGET_HPUX_11): New.
15372 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
15373 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
15374
15375 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
15376 Richard Guenther <rguenther@suse.de>
15377
15378 * tree-ssa-structalias.c (solve_graph): Handle case
15379 we merged the variable to another.
15380
15381 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15382
15383 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
15384 functions.
15385
15386 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
15387 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
15388
15389 2007-01-25 DJ Delorie <dj@redhat.com>
15390
15391 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
15392 allow changes to modes which don't fit in those registers.
15393
15394 * reload1.c (choose_reload_regs): Check for invalid subregs before
15395 computing their locations, not after.
15396
15397 2007-01-25 Geoffrey Keating <geoffk@apple.com>
15398
15399 PR 25127
15400 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
15401 save Altivec registers in an eh_return function.
15402 (compute_vrsave_mask): Likewise.
15403 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
15404 for saving Altivec registers.
15405 (rs6000_emit_prologue): Don't allocate stack twice in
15406 eh_return function. Correct expected value of altivec_save_offset
15407 when using save_world. Describe save of R0 to stack when using
15408 save_world. Describe stack pointer adjustment when using
15409 save_world. Remove duplicated eh_return parameter register saving.
15410 Update sp_offset variable after save_world.
15411 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
15412 darwin-world.asm.
15413 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
15414 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
15415 implies Altivec.
15416
15417 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15418
15419 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
15420
15421 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15422
15423 PR other/30182
15424 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
15425 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
15426
15427 2007-01-25 Richard Guenther <rguenther@suse.de>
15428
15429 * doc/invoke.texi (-Wcoverage-mismatch): Document.
15430 * common.opt (-Wcoverage-mismatch): New warning option.
15431 * coverage.c (get_coverage_counts): Ignore coverage mismatch
15432 if -Wcoverage-mismatch is given.
15433
15434 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
15435
15436 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
15437 (ipcp_driver): Change to static definition.
15438 Add dumping of the ifunctions.
15439 (constant_val_insert): Remove unused parameter. Support for SSA.
15440 (ipcp_propagate_const): Support for SSA.
15441 (ipcp_profile_bb_print): Print only analyzed nodes.
15442 (ipcp_replace_map_create): Remove support for Fortran constant
15443 for now.
15444 * ipa-prop.c (ipa_method_modify_stmt,
15445 ipa_callsite_compute_param): Support for SSA.
15446 * ipa-prop.h (ipcp_driver): Remove declaration.
15447 (IS_VALID_TREE_MAP_INDEX): Add define.
15448
15449 2007-01-24 Geoffrey Keating <geoffk@apple.com>
15450
15451 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
15452
15453 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15454
15455 PR middle-end/30447
15456 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
15457 constant argument to cabs and do it without checking for
15458 -funsafe-math-optimizations.
15459
15460 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
15461
15462 * c-common.h (RID_FIRST_CXX0X): New.
15463 (RID_LAST_CXX0X): New.
15464 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
15465 by -Wall.
15466 * c.opt (Wc++0x-compat): New.
15467 * doc/invoke.texi (-Wc++0x-compat): Document.
15468
15469 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15470
15471 * builtins.c (fold_builtin_carg): New.
15472 (fold_builtin_1): Use it.
15473
15474 2007-01-24 Jan Hubicka <jh@suse.cz>
15475
15476 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
15477
15478 * ipa-inline.c (initial_insns, max_insns): Delete.
15479 (compute_max_insns): New function.
15480 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
15481 of insns as base for code growth.
15482 (cgraph_decide_inlining): Make initial_insns local; do not compute
15483 max_insns.
15484 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
15485 * doc/invoke.texi (inline-unit-growth): Update docs.
15486
15487 2007-01-24 Jakub Jelinek <jakub@redhat.com>
15488
15489 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
15490 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
15491 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
15492 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
15493 for CPUs that have PTA_CX16 set.
15494
15495 PR middle-end/27416
15496 * gimplify.c (omp_check_private): New function.
15497 (gimplify_scan_omp_clauses): Use it for
15498 firstprivate/lastprivate/reduction.
15499
15500 PR middle-end/30494
15501 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
15502 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
15503
15504 PR middle-end/30421
15505 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
15506 If lower_lastprivate_clauses emits some statements, append them
15507 to dlist rather than body_p and to body_p append an initializer.
15508 (lower_omp_for): Adjust caller.
15509
15510 2007-01-24 Steve Ellcey <sje@cup.hp.com>
15511
15512 * target.h (globalize_decl_name): New.
15513 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15514 * output.h (default_globalize_decl_name): New.
15515 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
15516 globalize_label.
15517 (globalize_decl): Ditto.
15518 (default_globalize_decl_name): New.
15519 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
15520 (ia64_handle_version_id_attribute): New.
15521 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15522 (ia64_asm_output_external): Use globalize_decl_name instead
15523 of globalize_label.
15524 * doc/extend.texi (version_id): New pragma.
15525 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
15526
15527 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15528
15529 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
15530 _uleb128_t and _Unwind_SWord with _sleb128_t.
15531 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
15532 uw_frame_state_for, uw_update_context_1): Likewise.
15533 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
15534 * unwind-pe.h (read_uleb128, read_sleb128,
15535 read_encoded_value_with_base): Likewise.
15536 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
15537
15538 2007-01-24 Richard Guenther <rguenther@suse.de>
15539
15540 * builtins.c (expand_builtin_cexpi): Get the fndecl
15541 for cexp in the correct way.
15542
15543 2007-01-24 Jan Hubicka <jh@suse.cz>
15544
15545 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
15546
15547 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15548
15549 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
15550 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
15551 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
15552 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
15553 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
15554 __SIZEOF_PTRDIFF_T__.
15555 * doc/cpp.texi: Documentation for the new builtin macros added.
15556
15557 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
15558
15559 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
15560 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
15561 instead of operands[2] to avoid access past the end of array.
15562
15563 2007-01-24 Richard Sandiford <richard@codesourcery.com>
15564
15565 * reload1.c (emit_reload_insns): Pass the reload register
15566 for a non-spill output reload through forget_old_reloads_1.
15567
15568 2007-01-23 Joseph Myers <joseph@codesourcery.com>
15569
15570 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
15571 _SOFT_DOUBLE if doubles use software floating-point.
15572 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
15573 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15574 * config/rs6000/darwin-ldouble.c: Also compile functions for
15575 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
15576 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15577 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
15578 commented-out long double override.
15579 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
15580 * config/rs6000/eabispe.h: Likewise.
15581 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
15582 long double for non-SPE.
15583 (rs6000_handle_option): Likewise.
15584 (invalid_e500_subreg): Disallow more subregs involding DImode,
15585 DFmode, TImode or TFmode.
15586 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
15587 E500 double.
15588 (legitimate_lo_sum_address_p): Also check for TFmode for E500
15589 double.
15590 (rs6000_legitimize_address): Also handle TFmode for E500 double.
15591 (rs6000_legitimize_reload_address): Also handle TFmode for E500
15592 double.
15593 (rs6000_legitimate_address): Also check for TFmode for E500
15594 double.
15595 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
15596 (spe_build_register_parallel): Handle TFmode and TCmode.
15597 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
15598 double.
15599 (function_arg): Handle TFmode and TCmode for E500 double.
15600 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
15601 in general.
15602 (print_operand): Handle TFmode and TImode for %y.
15603 (rs6000_generate_compare): Handle TFmode comparisons for E500
15604 double.
15605 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
15606 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
15607 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
15608 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
15609 TFmode for E500 double.
15610 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
15611 (floatsidf2): Enable for E500 double.
15612 (movtf_softfloat): Use rs6000_nonimmediate_operand.
15613 (extenddftf2): Change to extenddftf2_fprs.
15614 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
15615 depending on TARGET_E500_DOUBLE.
15616 (extendsftf2): Enable for E500 double.
15617 (trunctfdf2): Enable for E500 double.
15618 (trunctfsf2): Change to trunctfsf2_fprs.
15619 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
15620 depending on TARGET_E500_DOUBLE.
15621 (floatsitf2): Enable for E500 double.
15622 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
15623 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
15624 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
15625 (negtf2): Change to negtf2_internal.
15626 (negtf2): New expander.
15627 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
15628 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
15629 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
15630 (movdi_internal32): Use rs6000_nonimmediate_operand.
15631 (unnamed splitter): Likewise.
15632 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
15633 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
15634 (SPE64TF, DITI): New mode macros.
15635 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
15636 modes.
15637 (frob_tf_ti): New.
15638 (frob_<mode>_di_2): New.
15639 (frob_tf_di_8_2): New.
15640 (frob_di_df): Change to frob_di_<mode>; allow more modes.
15641 (frob_ti_tf): New.
15642 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
15643 more modes.
15644 (frob_ti_<mode>_8_2): New.
15645 (frob_ti_tf_2): New.
15646 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
15647 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
15648 TFmode.
15649 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
15650 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
15651 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
15652 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
15653 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
15654 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
15655 tsttflt_gp): New.
15656
15657 2007-01-23 Ian Lance Taylor <iant@google.com>
15658
15659 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
15660 insn-*.o first.
15661 (OBJS-archive): Reformat, alphabetize.
15662 (OBJS): Change out_object_file to OBJS-md.
15663
15664 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
15665
15666 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
15667 JUMP_P and CALL_P predicates where applicable.
15668 * config/i386/i386.c: Ditto.
15669 * config/i386/i386.md: Ditto.
15670 * config/i386/mmx.md: Ditto.
15671 * config/i386/predicates.md: Ditto.
15672
15673 2007-01-22 Andreas Schwab <schwab@suse.de>
15674
15675 * config/m68k/m68k.h: Fix comment.
15676
15677 2007-01-22 Jan Hubicka <jh@suse.cz>
15678
15679 * passes.c (init_optimization_passes): Do not rerun
15680 pass_early_warn_uninitialized.
15681
15682 2007-01-22 Richard Guenther <rguenther@suse.de>
15683
15684 PR tree-optimization/30038
15685 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
15686 function.
15687 (execute_cse_sincos_1): Likewise.
15688 (execute_cse_sincos): Likewise.
15689 (gate_cse_sincos): Likewise.
15690 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
15691 the cexpi() canonicalization of sincos().
15692 * tree-pass.h (pass_cse_sincos): Declare.
15693 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
15694
15695 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15696
15697 PR rtl-optimization/29329
15698 * combine.c (replaced_rhs_insn): Rename to i2mod.
15699 (replaced_rhs_value): Rename to i2mod_new_rhs.
15700 (i2mod_old_rhs): New global variable.
15701 (combine_instructions): Adjust for above change. Save a copy of
15702 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
15703 note are substituted in the second instruction.
15704 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
15705 ditch the note if it pertains to the second eliminated register
15706 and this register is mentioned in i2mod_old_rhs.
15707
15708 Revert:
15709 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
15710
15711 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
15712 the insn to which the note was originally attached.
15713
15714 2007-01-21 Jan Hubicka <jh@suse.cz>
15715
15716 * ipa-inline.c (inlining_mode): Comment, move up.
15717 (cgraph_decide_inlining_incrementally): Do not perform inlining
15718 itself; fix handling of flattening of self recursive functions.
15719 (cgraph_find_cycles): Remove.
15720 (cgraph_flatten_node): Remove.
15721 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
15722 (try_inline): New function.
15723 (cgraph_early_inlining): Update call of
15724 cgraph_decide_inlining_incrementally. Apply inlining here.
15725 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
15726
15727 2007-01-21 Dirk Mueller <dmueller@suse.de>
15728
15729 PR bootstrap/30511
15730 * tree-vrp.c (check_array_bounds): do not warn
15731 about ADDR_EXPR's of ARRAY_REF's which are immediately
15732 used in binary expressions.
15733
15734 2007-01-21 Ira Rosen <irar@il.ibm.com>
15735
15736 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
15737 read_write_dep and macros for its access.
15738 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
15739 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
15740 argument, call vect_check_interleaving for every independent pair of
15741 data-refs. Mark loads that access the same memory location as a store
15742 in the loop.
15743 (vect_check_dependences): Remove.
15744 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
15745 call, fix the call to vect_analyze_data_ref_dependence.
15746 (vect_analyze_data_ref_access): For statements that access the same
15747 data-ref, check that they are not stores; for loads, check that there
15748 is no store that access the same location.
15749
15750 2007-01-20 Roger Sayle <roger@eyesopen.com>
15751 Joseph Myers <joseph@codesourcery.com>
15752
15753 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
15754 (-fdump-rtl-stack): Likewise.
15755 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
15756 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
15757 (-mpt-fixed): Use @minus{} for minus sign.
15758 (Using Precompiled Headers): Fix under/overfull hbox.
15759
15760 2007-01-20 Jan Hubicka <jh@suse.cz>
15761
15762 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
15763 place within annotation.
15764
15765 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15766
15767 * pa.c (output_move_double): Change array size of xoperands to 4.
15768
15769 2007-01-20 Jan Hubicka <jh@suse.cz>
15770
15771 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
15772 as temporary.
15773
15774 2007-01-19 Ian Lance Taylor <iant@google.com>
15775
15776 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
15777 constant to unsigned HOST_WIDE_INT before negating.
15778
15779 2007-01-19 Ian Lance Taylor <iant@google.com>
15780
15781 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
15782 to unsigned.
15783 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
15784 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15785 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
15786 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
15787 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15788 (realloc_vdef, realloc_vuse): Change second parameter to
15789 unsigned.
15790 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
15791 fields to unsigned.
15792 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
15793 unsigned. Change x and lim locals to unsigned.
15794 (realloc_vdef, realloc_vuse): Change num_elem parameter to
15795 unsigned.
15796 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
15797 (copy_virtual_operands): Change i and n locals to unsigned.
15798
15799 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15800
15801 PR middle-end/29335
15802 * builtins.c (fold_builtin_1): Handle builtin fdim.
15803
15804 2007-01-20 Jan Hubicka <jh@suse.cz>
15805
15806 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
15807 * tree-ssa-structalias.c (compute_points_to_sets): Do call
15808 init_alias_heapvars.
15809 (init_alias_heapvars): Initialize only when not already initialized.
15810 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
15811
15812 2007-01-19 Roger Sayle <roger@eyesopen.com>
15813
15814 * common.opt (fsigned-zeros): New command line option.
15815 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
15816 of flag_unsafe_math_optimizations.
15817 * opts.c (set_fast_math_flags): The -ffast-math command line option
15818 implies -fno-signed-zeros.
15819 (fast_math_flags_set_p): Likewise.
15820
15821 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
15822 the documentation of -ffast-math appropriately. Wrap long lines.
15823
15824 2007-01-19 Steve Ellcey <sje@cup.hp.com>
15825
15826 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
15827 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
15828
15829 2007-01-19 Tomas Bily <tbily@suse.cz>
15830
15831 * cgraphunit.c (cgraph_finalize_function): Updating of pid
15832 * tree-profile.c:
15833 (tree_init_ic_make_global_vars): New function
15834 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
15835 (tree_gen_ic_profiler): New function
15836 (tree_gen_ic_func_profiler): New function
15837 (tree_profiling): Added calling of tree_gen_ic_func_profiler
15838 (tree_profile_hooks): Added hook for indirec/virtual calls
15839 * value-prof.c (tree_find_values_to_profile): New case for
15840 indirect calls
15841 (tree_values_to_profile): Call for determining indirect/virtual
15842 counters
15843 (tree_indirect_call_to_profile): New function
15844 (tree_ic_transform): New function
15845 (tree_ic): New function
15846 (find_func_by_pid): New function
15847 (init_pid_map): New function
15848 (tree_value_profile_transformations): Added check for
15849 indirect/virtual call transformation
15850 * value-prof.h (enum hist_type): New counter type for
15851 indirect/virtual calls
15852 (profile_hooks): Added new hook for profiling indirect/virtual
15853 calls
15854 * profile.c (instrument_values): New case for indirect/virtual
15855 call added
15856 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
15857 (GCOV_COUNTER_V_INDIR): New counter type
15858 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
15859 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
15860 call added
15861 * cgraph.c: Definition of cgraph_max_pid
15862 (cgraph_create_node): Default init of pid attribute
15863 * cgraph.h: Declaration of cgraph_max_pid
15864 (struct cgraph_node): Added pid attribute
15865 * libgcov.c (__gcov_indirect_call_profiler): New function
15866 (__gcov_one_value_profiler_body): New function
15867 (__gcov_one_value_profiler): Body was moved to
15868 __gcov_one_value_profiler_body and calls it
15869
15870 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
15871
15872 * doc/gty.texi (Options): Document the mark_hook option to GTY.
15873 * gengtype.c (write_types_data, write_func_for_structure,
15874 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
15875 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
15876 (walk_type, write_func_for_structure): Generate the mark_hook if
15877 needed.
15878
15879 2007-01-19 Jan Hubicka <jh@suse.cz>
15880
15881 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
15882 'early' argument take inlining mode argument specifying whether to
15883 inline for size/speeed or all functions; add support for flattening;
15884 improve dumpting.
15885 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
15886
15887 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15888
15889 PR c++/17947
15890 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
15891 the name of the declared identifier.
15892
15893 2007-01-19 Dirk Mueller <dmueller@suse.de>
15894
15895 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
15896 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
15897 duplicate evaluation.
15898
15899 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
15900
15901 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
15902 Macroize expander using X87MODEF12 mode macro. Extend operand 1
15903 to XFMode, use acosxf2 and truncate result to requested mode.
15904 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
15905 (asin<mode>2): Similarly, with asin expanders.
15906 (*fscalexf4_i387): Rename from *fscalexf4.
15907 (expNcorexf3): New expander.
15908 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
15909 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
15910 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
15911 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
15912 patterns for SSE math.
15913 (exp10<mode>2): Similarly, with exp10 expanders.
15914 (exp2<mode>2): Similarly, with exp2 expanders.
15915 (expm1<mode>2): Similarly, with expm1 expanders.
15916 (ldexp<mode>3): Similarly, with ldexp expanders.
15917 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
15918 Use gen_truncxf<mode>2_i387_noop to truncate result.
15919
15920 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15921
15922 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
15923 for ColdFire targets.
15924
15925 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
15926 Richard Sandiford <richard@codesourcery.com>
15927
15928 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
15929 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
15930 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
15931 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
15932 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15933 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15934
15935 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15936
15937 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
15938 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
15939 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
15940 (*adddi_dilshr32_cf): New pattern.
15941 (adddi3, subdi3): Remove first alternatives.
15942
15943 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15944
15945 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
15946 implemented using move.l, do not use its cc result for floating-point
15947 comparisons.
15948
15949 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15950
15951 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
15952 from accepting 's' constraints if flag_pic.
15953
15954 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15955
15956 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
15957 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
15958 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
15959 condition from TARGET_68881 to TARGET_HARD_FLOAT.
15960
15961 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
15962
15963 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
15964 ColdFire alternatives.
15965 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
15966 * config/m68k/m68k.md (clzsi2): Define for ColdFire
15967 architectures that support ff1 instruction.
15968
15969 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15970 Julian Brown <julian@codesourcery.com>
15971
15972 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
15973 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
15974 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
15975 Add commentary.
15976
15977 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15978
15979 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
15980 and return a bool.
15981 (output_move_const_into_data_reg, output_move_simode_const): Delete.
15982 * config/m68k/m68k.c (const_method, const_int_cost): Take a
15983 HOST_WIDE_INT instead of an rtx.
15984 (m68k_rtx_costs): Update call accordingly.
15985 (output_move_const_into_data_reg): Likewise. Fix formatting.
15986 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
15987 Return a bool.
15988 (output_move_simode_const): Update calls after above changes.
15989 Rework to use automatic variables and predicates like MEM_P.
15990 * config/m68k/m68k.md (pushexthisi_const): Update call to
15991 valid_mov3q_const.
15992
15993 2007-01-19 Dirk Mueller <dmueller@suse.de>
15994
15995 * tree-ssa-alias.c (perform_var_substitution): Fix typo
15996 in dump_flags test.
15997
15998 2007-01-19 Richard Guenther <rguenther@suse.de>
15999
16000 * builtins.c (expand_builtin_cexpi): Fall back to expanding
16001 via cexp in case sincos is not available.
16002
16003 2007-01-19 Richard Guenther <rguenther@suse.de>
16004
16005 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
16006 * defaults.h (TARGET_HAS_SINCOS): Default to off.
16007 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
16008 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
16009 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
16010 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
16011 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
16012 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
16013
16014 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
16015
16016 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
16017 New insn patterns.
16018 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
16019 (atan2xf3): Directly generate RTL pattern.
16020 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
16021 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16022 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16023 disable patterns for SSE math.
16024 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
16025 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16026 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16027 disable patterns for SSE math.
16028
16029 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
16030
16031 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
16032
16033 2007-01-18 Roger Sayle <roger@eyesopen.com>
16034
16035 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
16036 VIEW_CONVERT_EXPR to the same type as it's operand.
16037
16038 2007-01-18 David Edelsohn <edelsohn@gnu.org>
16039
16040 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
16041 configured for long double 128.
16042
16043 2007-01-18 Mike Stump <mrs@apple.com>
16044
16045 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
16046 error.
16047
16048 2007-01-18 Michael Meissner <michael.meissner@amd.com>
16049
16050 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
16051 type correct.
16052
16053 2007-01-18 Jan Hubicka <jh@suse.cz>
16054
16055 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
16056 greater than NUM_VOP_FREE_BUCKETS.
16057
16058 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
16059
16060 * tree-ssa-structalias.c: Update comments.
16061 (ptabitmap_obstack): Removed.
16062 (pta_obstack): New.
16063 (oldpta_obstack): Ditto.
16064 (stats): Add a few members.
16065 (struct variable_info): Remove node, complex, address_taken, and
16066 indirect_target members. Add oldsolution member.
16067 (new_var_info): Do not initialize removed members.
16068 (constraint_expr_type): Remove INCLUDES.
16069 (constraint_graph): Add size, implicit_preds, rep,
16070 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
16071 (FIRST_REF_NODE): New macro.
16072 (LAST_REF_NODE): Ditto.
16073 (FIRST_ADDR_NODE): Ditto.
16074 (find): New function.
16075 (unite): Ditto.
16076 (dump_constraint): Do not handle INCLUDES.
16077 (insert_into_complex): Do not insert duplicate constraints.
16078 (condense_varmap_nodes): Renamed and rewritten into ...
16079 (merge_node_constraints): This. Also fix bug in handling of
16080 offseted copy constraints.
16081 (clear_edges_for_node): No longer need to deal with preds at all,
16082 or removing associated preds/succs.
16083 (merge_graph_nodes): Deal with indirect_cycles.
16084 Don't deal with predecessors.
16085 (add_implicit_graph_edge): New function.
16086 (add_pred_graph_edge): Ditto.
16087 (add_graph_edge): Don't deal with predecessors.
16088 (build_constraint_graph): Removed.
16089 (build_pred_graph): New function.
16090 (build_succ_graph): Ditto.
16091 (struct scc_info): Removed in_component. Added roots, dfs, and
16092 node_mapping. Remove visited_index, unification_queue.
16093 (scc_visit): Deal with union-find we do now.
16094 Deal with cycles with REF nodes.
16095 (collapse_nodes): Renamed and rewritten to ...
16096 (unify_nodes): This.
16097 (process_unification_queue): Removed.
16098 (topo_visit): Cleanup
16099 (do_da_constraint): Use find.
16100 (do_sd_constraint): Ditto.
16101 (do_ds_constraint): Ditto.
16102 (do_complex_constraint): Ditto.
16103 (init_scc_info): Update for removed and added members.
16104 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
16105 (find_indirect_cycles): This.
16106 (equivalence_class): New variable.
16107 (label_visit): New function.
16108 (perform_variable_substitution): Rewritten.
16109 (free_var_substitution_info): New function.
16110 (find_equivalent_node): Ditto.
16111 (move_complex_constraints): Ditto.
16112 (eliminate_indirect_cycles): Ditto.
16113 (solve_graph): Only propagate changed bits.
16114 Use indirect cycle elimination.
16115 Use find.
16116 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
16117 (tree_id_eq): Renamed to ...
16118 (tree_vi_eq): This. Update for member change
16119 (insert_id_for_tree): Renamed and rewritten to ...
16120 (insert_vi_for_tree): This.
16121 (lookup_id_for_tree): Renamed and rewritten to ...
16122 (lookup_vi_for_tree): This.
16123 (get_id_for_tree): Renamed and rewritten to ...
16124 (get_vi_for_tree): Ditto.
16125 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
16126 (process_constraint): Don't handle INCLUDES.
16127 Remove special ADDRESSOF case.
16128 (find_func_aliases): Rewrite to use vi functions instead of id
16129 ones.
16130 (create_function_info_for): Ditto.
16131 (create_variable_info_for): Ditto.
16132 (intra_create_variable_infos): Ditto.
16133 (merge_smts_into): Ditto.
16134 (find_what_p_points_to): Ditto.
16135 (init_base_vars): Ditto.
16136 (init_alias_vars): Ditto.
16137 (remove_preds_and_fake_succs): New function.
16138 (dump_sa_points_to_info): Dump new stats.
16139 (dump_solution_for_var): Use find.
16140 (set_used_smts): Fix formatting.
16141 (compute_points_to_sets): Updated for new functions.
16142 (ipa_pta_execute): Ditto.
16143
16144 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16145 Richard Sandiford <richard@codesourcery.com>
16146
16147 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
16148 parallels.
16149 * calls.c (expand_call): If the return value is a PARALLEL,
16150 extract its first member.
16151 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
16152 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16153 use FUNCTION_EXTRA_EPILOGUE.
16154 (m68k_function_value): Return a PARALLEL if the return value
16155 is of a pointer type.
16156 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
16157 (FUNCTION_EXTRA_EPILOGUE): Remove.
16158 * config/m68k/m68k.md (D0_REG): New constant.
16159
16160 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16161
16162 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16163 output a NOP for empty epilogues.
16164
16165 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16166
16167 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
16168 before function. Extend register save check to include all
16169 registers, not just integer ones.
16170
16171 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16172
16173 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
16174 (m68k_use_return_insn): ...this.
16175 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
16176 * config/m68k/m68k.c (use_return_insn): Rename to...
16177 (m68k_use_return_insn): ...this.
16178 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
16179 of USE_RETURN_INSN.
16180
16181 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16182
16183 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
16184 nearest even, fix denormal rounding overflow.
16185
16186 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16187
16188 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
16189 f%$smove and f%$move.
16190 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
16191 (extendsfdf2_cf): Use fdmove instead of f%&move.
16192 (truncdfsf2_cf): Use fsmove instead of f%$smove.
16193 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
16194
16195 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16196
16197 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
16198 GPR<-GPR moves.
16199
16200 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16201
16202 * real.h (real_format): Add a canonical_nan_lsbs_set field.
16203 (coldfire_single_format): Declare.
16204 (coldfire_double_format): Likewise.
16205 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
16206 of qnan_msb_set to determine the lower bits of a canonical
16207 NaN significand.
16208 (encode_ieee_double): Likewise.
16209 (encode_ieee_quad): Likewise.
16210 (ieee_single_format): Initialize canonical_nan_lsbs_set.
16211 (mips_single_format): Likewise.
16212 (ieee_double_format): Likewise.
16213 (mips_double_format): Likewise.
16214 (ieee_extended_motorola_format): Likewise.
16215 (ieee_extended_intel_96_format): Likewise.
16216 (ieee_extended_intel_128_format): Likewise.
16217 (ieee_extended_intel_96_round_53_format): Likewise.
16218 (ibm_extended_format): Likewise.
16219 (mips_extended_format): Likewise.
16220 (ieee_quad_format): Likewise.
16221 (mips_quad_format): Likewise.
16222 (vax_f_format): Likewise.
16223 (vax_d_format): Likewise.
16224 (vax_g_format): Likewise.
16225 (i370_single_format): Likewise.
16226 (i370_double_format): Likewise.
16227 (decimal_single_format): Likewise.
16228 (decimal_double_format): Likewise.
16229 (decimal_quad_format): Likewise.
16230 (c4x_single_format): Likewise.
16231 (c4x_extended_format): Likewise.
16232 (real_internal_format): Likewise.
16233 (coldfire_single_format): New real_format.
16234 (coldfire_double_format): Likewise.
16235 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
16236 canonical_nan_lsbs_set.
16237 (pdp11_d_format): Likewise.
16238 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
16239 if TARGET_COLDFIRE_CPU.
16240
16241 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16242
16243 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
16244 (output_call, m68k_legitimize_call_address): Declare.
16245 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
16246 parenthesees. Add support for a 'W' constraint.
16247 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
16248 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
16249 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
16250 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
16251 variables.
16252 (override_options): Initialize them. Do not set flag_no_function_cse
16253 for TARGET_ID_SHARED_LIBRARY.
16254 (m68k_output_pic_call): Delete.
16255 (m68k_legitimize_call_address): New function.
16256 (print_operand): Remove the %o prefix. Handle the %p prefix.
16257 (output_call): New function.
16258 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
16259 target address from the GOT if symbolic jumps are not allowed.
16260 * config/m68k/m68k.md (call, general_operand): Do not set
16261 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
16262 Merge separate flag_pic and !flag_pic define_insns into...
16263 (*call, *call_value): ...these new patterns. Match the address
16264 rather than the containing MEM and require it to be a call_operand.
16265 Use output_call to generate the asm template.
16266 * config/m68k/predicates.md (const_call_operand): New predicate.
16267 (call_operand): Likewise.
16268
16269 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16270
16271 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
16272 (STACK_GROWS_DOWNWARD): Define to 1.
16273 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
16274 comments, emphasizing that these values are only defaults.
16275 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
16276 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
16277
16278 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16279
16280 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
16281
16282 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16283 Richard Sandiford <richard@codesourcery.com>
16284
16285 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
16286 (FP_REGNO_P): New macros.
16287 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
16288 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
16289 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
16290 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
16291
16292 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16293
16294 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16295 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
16296 to $tmake_file.
16297 * config/m68k/t-floatlib: New file, extracting common code from...
16298 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
16299 * config/m68k/t-uclinux: Here.
16300 * config/m68k/fpgnulib.c: Do not compile extendeed precision
16301 routines on ColdFire targets.
16302
16303 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16304
16305 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16306 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
16307 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
16308 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
16309 explicitly set MOTOROLA to 1.
16310 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
16311
16312 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16313 Nathan Sidwell <nathan@codesourcery.com>
16314
16315 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
16316 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
16317 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
16318 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
16319 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
16320 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
16321 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
16322 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
16323 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
16324 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16325 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
16326 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
16327 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
16328 (DBX_REGISTER_NUMBER): Delete.
16329 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
16330 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16331 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
16332
16333 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16334
16335 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
16336 * config/flat.h: New file.
16337 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
16338 OBJECT_FORMAT_FLAT.
16339 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
16340 indirect references for -msep-data or -mid-shared-library.
16341 Do not use PC-relative code addresses either.
16342 * config/m68k/m68k.c (override_options): Restrict -fPIC error
16343 to -mpcrel.
16344 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
16345 for shared libraries and crt1.o for executables. Use crti.o and
16346 crtbegin.o.
16347 (ENDFILE_SPEC): Use crtend.o and crtn.o.
16348 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
16349 Do not add -elf2flt or -shared-lib-id options here.
16350 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
16351 Pass -shared-lib-id if -mid-shared-library, taking the library
16352 identifier from -mshared-library-id if given, otherwise
16353 defaulting to 0.
16354 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
16355 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
16356 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
16357 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
16358 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
16359 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
16360 and crtend.o.
16361 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
16362 jump sequence for ISA A and ISA A+.
16363 (PICJUMP): Likewise.
16364
16365 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16366
16367 * config.gcc (m68k-*-uclinux*): Base the port on the common
16368 and m68k GNU/Linux files rather than on the generic ELF ones.
16369 * config/m68k/uclinux.h (TARGET_VERSION): Override.
16370 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
16371
16372 2007-01-18 Julian Brown <julian@codesourcery.com>
16373 Richard Sandiford <richard@codesourcery.com>
16374
16375 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
16376 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16377 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
16378 before redefining.
16379 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
16380 80 unconditionally.
16381 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16382
16383 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16384
16385 * doc/install.texi: Document m68k-uclinuxoldabi.
16386 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
16387 * config/m68k/uclinux-oldabi.h: New file, copied from
16388 config/m68k/uclinux.h.
16389
16390 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
16391
16392 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
16393 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
16394 (m32r_compute_frame_size): Use unsigned for regno.
16395 (m32r_reload_lr): Use gen_frame_mem.
16396 (pop): New.
16397 (m32r_output_function_epilogue): Don't output the function epilogue
16398 textually here.
16399 (m32r_expand_epilogue): New.
16400 (direct_return): Return false if the function has the interrupt
16401 attribute.
16402 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
16403 * config/m32r/m32r.md (epilogue): New expander.
16404 (return_lr, return_rte): New insns.
16405 (return): Make it expander.
16406 (return_normal): New expander.
16407
16408 2007-01-18 Josh Conner <jconner@apple.com>
16409
16410 PR target/30485
16411 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
16412 support for UNLE, UNLT, UNGE, and UNGT.
16413
16414 2007-01-18 Jan Hubicka <jh@suse.cz>
16415
16416 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
16417 * tree-tailcall (add_virtual_phis): Likewise.
16418 (optimize_tail_call): Return TODOs.
16419 (execute_tail_calls): Return TODOs.
16420 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
16421 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
16422 changed.
16423 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
16424 Cleanup cfg using TODO.
16425 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
16426 * passes.c (execute_function_todo): When cleanup did something, remove
16427 unused locals.
16428 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
16429 (make_edges): Don't cleanup_cfg.
16430
16431 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
16432
16433 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
16434 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
16435 operate on the top of stack.
16436 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
16437 register handling of instructions that output to the second
16438 stack slot.
16439 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
16440 (move_for_stack_reg): Special-case check for dead destination
16441 stack slot for constant load of 1.0 inside UNSPEC_TAN.
16442
16443 * config/i386/i386.md (UNSPEC_TAN): New constant.
16444 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
16445 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
16446 to correctly model move of constant 1.0 to top stack slot.
16447 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
16448 (unnamed peephole2 pattern): Remove corresponding peephole2
16449 pattern that optimizes tan insn and loading of constant 1.0.
16450 (tanxf2): Use fptanxf4_i387.
16451 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
16452 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
16453 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16454 disable patterns for SSE math.
16455 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
16456 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
16457
16458 2007-01-18 Dirk Mueller <dmueller@suse.de>
16459 Richard Guenther <rguenther@suse.de>
16460
16461 PR diagnostic/8268
16462 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
16463 * common.opt (Warray-bounds): Add new warning option.
16464 * c-opts.c (c_common_handle_option): Define -Warray-bounds
16465 if -Wall is given.
16466 * Makefile.in: make tree-vrp.o depend on toplev.h
16467 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
16468 is enabled.
16469 (check_array_refs, check_array_bounds, check_array_ref): New.
16470
16471 2007-01-18 Jan Hubicka <jh@suse.cz>
16472
16473 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
16474 (execute_ssa_ccp): Return flags conditionally.
16475 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
16476 changed.
16477 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
16478
16479 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
16480
16481 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
16482 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
16483
16484 * Makefile.c (GTFILES): Add cfglayout.h.
16485 * gengtype.c (open_base_files): Likewise.
16486 * cfglayout.c (cfg_layout_function_footer,
16487 cfg_layout_function_header) Reindent to make gengtype happy.
16488 * cfglayout.h (cfg_layout_function_footer,
16489 cfg_layout_function_header): Add GTY(()) marker.
16490
16491 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
16492
16493 2007-01-18 Ben Elliston <bje@au.ibm.com>
16494
16495 * genautomata.c (write_automata): Include xstrerror output in the
16496 error message if writing the DFA description file fails.
16497
16498 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
16499
16500 * config/mips/mips-protos.h (mips_output_external): Make it
16501 return void.
16502 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
16503 * config/mips/mips.c (irix_output_external_libcall): Likewise.
16504 (extern_list): Likewise.
16505 (extern_head): Likewise.
16506 (TARGET_ASM_FILE_END): Likewise.
16507 (mips_file_end): Likewise.
16508 (mips_output_external): Rewritten.
16509
16510 2007-01-18 Ben Elliston <bje@au.ibm.com>
16511
16512 * genpreds.c (write_insn_preds_c): Only write out the function
16513 body for regclass_for_constraint if we have register constraints.
16514
16515 2007-01-17 Tom Tromey <tromey@redhat.com>
16516
16517 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
16518 * doc/install.texi (Testing): Use sourceware.org.
16519 (Binaries): Likewise.
16520 (Specific): Likewise.
16521 * doc/contrib.texi (Contributors): Use sourceware.org.
16522
16523 2007-01-17 Anatoly Sokolov <aesok@post.ru>
16524
16525 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
16526 (AVR_ENHANCED): Rename to ...
16527 (AVR_HAVE_MUL): ... new.
16528 (avr_enhanced_p): Rename to ...
16529 (avr_have_mul_p): ... new.
16530 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
16531 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
16532 * config/avr/avr.c (avr_enhanced_p): Rename to ...
16533 (avr_have_mul_p): ... new.
16534 (base_arch_s): Rename 'enhanced' to 'have_mul'.
16535 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
16536 'avr_enhanced_p' and 'enhanced'.
16537 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
16538 AVR_HAVE_MUL instead of AVR_ENHANCED.
16539 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16540 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
16541 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
16542 instead of AVR_ENHANCED.
16543 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16544 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
16545 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
16546
16547 2007-01-17 Ian Lance Taylor <iant@google.com>
16548
16549 * vec.h (VEC_reserve_exact): Define.
16550 (vec_gc_p_reserve_exact): Declare.
16551 (vec_gc_o_reserve_exact): Declare.
16552 (vec_heap_p_reserve_exact): Declare.
16553 (vec_heap_o_reserve_exact): Declare.
16554 (VEC_OP (T,A,reserve_exact)): New static inline function, three
16555 versions.
16556 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
16557 negative parameter.
16558 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
16559 (VEC_OP (T,A,copy)) [all versions]: Likewise.
16560 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
16561 * vec.c (calculate_allocation): Add exact parameter. Change all
16562 callers.
16563 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
16564 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
16565 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
16566 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
16567 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
16568 (vec_heap_p_reserve_exact): New function.
16569 (vec_heap_o_reserve_exact): New function.
16570
16571 2007-01-17 Jan Hubicka <jh@suse.cz>
16572
16573 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
16574
16575 2007-01-17 Eric Christopher <echristo@apple.com>
16576
16577 * config.gcc: Support core2 processor.
16578
16579 2007-01-16 Jan Hubicka <jh@suse.cz>
16580
16581 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
16582 the names, just unlink the chain so we don't crash on dangling pointers
16583 to dead SSA names.
16584
16585 2007-01-16 Jan Hubicka <jh@suse.cz>
16586
16587 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
16588 * tree-pass.h: Reorder to make IPA passes appear toegher.
16589 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
16590 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
16591 parameters, do not call early inliner.
16592 * ipa-inline.c: Update comments. Include tree-flow.h
16593 (cgraph_decide_inlining): Do not compute inlining parameters.
16594 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
16595 be called with function context set up.
16596 (pass_ipa_inline): Remove unreachable functions before pass.
16597 (cgraph_early_inlining): Simplify assuming to be called from the
16598 PM as local pass.
16599 (pass_early_inline): New pass.
16600 (cgraph_gate_ipa_early_inlining): New gate.
16601 (pass_ipa_early_inline): Turn into simple wrapper.
16602 (compute_inline_parameters): New function.
16603 (gate_inline_passes): New gate.
16604 (pass_inline_parameters): New pass.
16605 (apply_inline): Move here from tree-optimize.c
16606 (pass_apply_inline): New pass.
16607 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
16608 transforming.
16609 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
16610 doing them by hand.
16611 (tree_function_versioning): Do not allocate dummy struct function.
16612 * tree-inline.h (optimize_inline_calls): Update prototype.
16613 * tree-optimize.c (execute_fixup_cfg): Export.
16614 (pass_fixup_cfg): Remove
16615 (tree_rest_of_compilation): Do not apply inlines.
16616 * tree-flow.h (execute_fixup_cfg): Declare.
16617 * Makefile.in (gt-passes.c): New.
16618 * passes.c: Include gt-passes.h
16619 (init_optimization_passes): New passes.
16620 (nnodes, order): New static vars.
16621 (do_per_function_toporder): New function.
16622 (execute_one_pass): Dump current pass here.
16623 (execute_ipa_pass_list): Don't dump current pass here.
16624
16625 2007-01-16 Janis Johnson <janis187@us.ibm.com>
16626
16627 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
16628 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
16629
16630 2007-01-16 David Edelsohn <edelsohn@gnu.org>
16631
16632 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
16633 (strong_alias): Define.
16634 (__gcc_qmul): Provide non-FMA for soft-float.
16635 (__gcc_qdiv): Same.
16636 (__gcc_qneg): New.
16637 (__gcc_qeq): New.
16638 (__gcc_qle): New.
16639 (__gcc_qge): New.
16640 (__gcc_qunord): New.
16641 (__gcc_stoq): New.
16642 (__gcc_dtoq): New.
16643 (__gcc_qtos): New.
16644 (__gcc_qtod): New.
16645 (__gcc_qtoi): New.
16646 (__gcc_qtou): New.
16647 (__gcc_itoq): New.
16648 (__gcc_utoq): New.
16649 (fmsub): New.
16650 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
16651 soft-float functions.
16652 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
16653 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
16654 about long double soft float.
16655
16656 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
16657 Tehila Meyzels <tehila@il.ibm.com>
16658
16659 * tree-vectorizer.h (is_pattern_stmt_p): New.
16660 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
16661 formatting (tabs instead of spaces). Cleanup and clarify setting
16662 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
16663 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
16664 (vectorizable_type_demotion): Check that types are integral.
16665 (vectorizable_type_promotion): Likewise.
16666 (vectorizable_store): Fix typo. Eliminate new-line at end of
16667 comments.
16668
16669 2007-01-16 Jan Hubicka <jh@suse.cz>
16670
16671 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
16672 cgraph edges too.
16673
16674 2007-01-15 Eric Christopher <echristo@apple.com>
16675
16676 * ifcvt.c: Include vec.h, vecprim.h.
16677 (check_cond_move_block): New argument regs.
16678 Reorganize. Add registers used to regs.
16679 (cond_move_process_if_block): Use regs set above as
16680 loop bounds.
16681
16682 2007-01-15 Eric Christopher <echristo@apple.com>
16683
16684 * config/darwin.h: Update copyright.
16685 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
16686 (LINK_COMMAND_SPEC): Add -u.
16687 (LINK_SPEC): Fix umbrella for above.
16688
16689 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
16690
16691 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
16692 glibc CVS.
16693
16694 2007-01-15 Tom Tromey <tromey@redhat.com>
16695
16696 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
16697 * doc/install.texi (Testing): Don't mention jacks.
16698 (Configuration): Document --enable-java-maintainer-mode. Move
16699 --with-java-home to libgcj-specific section. Document
16700 --with-ecj-jar.
16701 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
16702
16703 2007-01-15 Jan Hubicka <jh@suse.cz>
16704
16705 * tree-ssa-dce.c (DCE_TODOs): New.
16706 (propagate_necessity): Return if something changed.
16707 (eliminate_unnecessary_stmts): Likewise.
16708 (perform_tree_ssa_dce): Return TODO flags when needed.
16709 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
16710
16711 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
16712
16713 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
16714 (fyl2x_extend<mode>xf3_i387): New insn pattern.
16715 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
16716 patterns using X87MODEF12 mode macro. Extend operand 1
16717 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16718 (log10<mode>2): Ditto.
16719 (log2<mode>2): Ditto.
16720 (log1p<mode>2): Ditto.
16721 (logb<mode>2): Ditto.
16722 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
16723 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
16724 (*fxtractxf3_i387): Rename from *fxtractxf3.
16725 (fxtract_extend<mode>xf3_i387): New insn pattern.
16726 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
16727 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
16728 and gen_fyl2xxf3_i387().
16729
16730 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16731
16732 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
16733 * cfgloopmanip.c (fix_loop_placement): Made static. Use
16734 get_loop_exit_edges. Changed return type to bool.
16735 * cfgloop.h (fix_loop_placement): Declaration removed.
16736
16737 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
16738
16739 * param.h (MIN_VECT_LOOP_BOUND): New.
16740 * params.def (MIN_VECT_LOOP_BOUND): New.
16741 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
16742 argument - minimum threshold for number of iterations.
16743 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
16744 argument to declaration.
16745 * tree-vect-analyze.c (vect_analyze_operations): Check value of
16746 MIN_VECT_LOOP_BOUND.
16747 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
16748 slpeel_tree_peel_loop_to_edge with additional argument.
16749 (vect_do_peeling_for_alignment): Likewise.
16750 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
16751
16752 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
16753
16754 PR target/30413
16755 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
16756 operands of size 1.
16757
16758 2007-01-14 Jan Hubicka <jh@suse.cz>
16759
16760 * tree-dfa.c (remove_referenced_var): New function.
16761 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
16762 prune referenced vars list too.
16763 * tree-flow.h (remove_referenced_var): Declare.
16764
16765 2007-01-14 Jan Hubicka <jh@suse.cz>
16766
16767 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
16768 separately.
16769 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
16770 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
16771 * except.h (verify_eh_throw_table_statements): Kill prototype.
16772 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
16773 into call exrepssions.
16774 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
16775 eh trhow verifier.
16776 * tree-cfg.c: Include pointer-set.h.
16777 (verify_node_sharing): Work on pointer set.
16778 (verify_eh_throw_stmt_node): New.
16779 (verify_stmts): Use pointers sets, verify throw_stmt.
16780
16781 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
16782
16783 * ipa-reference.c (analyze_function): Consider also addresses taken
16784 in phi nodes.
16785
16786 2007-01-12 Roger Sayle <roger@eyesopen.com>
16787
16788 * c-typeck.c (null_pointer_constant_p): Replace use of
16789 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16790 (build_c_cast): Likewise.
16791
16792 2007-01-12 Roger Sayle <roger@eyesopen.com>
16793
16794 * tree.h (force_fit_type_double): Remove unused final argument.
16795 * c-common.c (constant_expression_warning): Replace use of
16796 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16797 (convert_and_check): Likewise.
16798 (shorten_compare): Update call to force_fit_type_double.
16799 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
16800 * convert.c (convert_to_pointer): Update call to
16801 force_fit_type_double.
16802 * fold-const.c (force_fit_type_double): Remove overflowed_const
16803 argument.
16804 (int_const_binop, fold_convert_const_int_from_int,
16805 fold_convert_const_int_from_real, fold_div_compare,
16806 fold_sign_changed_comparison, fold_unary, fold_negate_const,
16807 fold_abs_const, fold_not_const): Remove the final argument from
16808 calls to force_fit_type_double.
16809
16810 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
16811
16812 * configure.ac: Set insn to "nop" for spu-*-* also.
16813 * configure: Regenerate.
16814
16815 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
16816
16817 * builtins.def : Add BUILT_IN_FREE.
16818
16819 2007-01-12 Jan Hubicka <jh@suse.cz>
16820
16821 PR tree-optimization/30443
16822 * tree-inline.c (tree_function_versioning): Do not optimize when
16823 cloning for inlining.
16824
16825 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
16826
16827 * doc/loop.texi: Document recording of loop exits.
16828 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
16829 (update_single_exits_after_duplication,
16830 update_single_exit_for_duplicated_loop,
16831 update_single_exit_for_duplicated_loops): Removed.
16832 (duplicate_loop_to_header_edge): Do not call
16833 update_single_exits_after_duplication and
16834 update_single_exit_for_duplicated_loops.
16835 (loop_version): Do not update single_exit information.
16836 (fix_loop_structure): Use record_loop_exits instead of
16837 mark_single_exit_loops.
16838 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
16839 the lists of loop exits.
16840 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
16841 split_edge, merge_blocks): Update the lists of loop exits.
16842 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
16843 loop_optimizer_init.
16844 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
16845 of mark_single_exit_loops.
16846 (loop_optimizer_finalize): Call release_recorded_exits.
16847 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
16848 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
16849 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
16850 update single exit information.
16851 * lambda-code.c (perfect_nestify): Ditto.
16852 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
16853 (mark_single_exit_loops): Removed.
16854 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
16855 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
16856 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
16857 functions.
16858 (get_loop_exit_edges, single_exit): Use recorded exit lists.
16859 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
16860 (verify_loop_structure): Verify consistency of the exit lists.
16861 (flow_loops_find): Use alloc_loop. Initialize exits hash.
16862 (set_single_exit): Removed.
16863 * cfgloop.h (struct loop_exit): New function.
16864 (struct loop): single_exit_ field replaced by exits field.
16865 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
16866 (struct loops): Added exits hash.
16867 (mark_single_exit_loops, set_single_exit): Declaration removed.
16868 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
16869
16870 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16871
16872 * doc/invoke.texi: Avoid use of @headitem.
16873
16874 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16875
16876 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
16877
16878 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16879
16880 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
16881 list of targets.
16882
16883 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16884 Richard Sandiford <richard@codesourcery.com>
16885
16886 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
16887 * config/m68k/m68k.opt: Resort options.
16888 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
16889
16890 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16891 Richard Sandiford <richard@codesourcery.com>
16892
16893 * doc/invoke.texi: Document the macros that are defined by
16894 m68k's -mtune and -mhard-float options.
16895 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
16896 (m68k_cpp_cpu_family): Likewise.
16897 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
16898 of __ucfv*__ macros. Define __mcffpu__ if generating code for
16899 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
16900 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
16901 (m68k_cpp_cpu_family): Likewise.
16902
16903 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16904
16905 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
16906 macros besides mc68000 as tuning macros. Use a switch statement
16907 to set them and mcpu32.
16908
16909 2007-01-12 Julian Brown <julian@codesourcery.com>
16910
16911 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
16912 (TARGET_68040_ONLY): Rename to...
16913 (TARGET_68040): ...this.
16914 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
16915 * config/m68k/m68k.md: Likewise.
16916
16917 2007-01-12 Julian Brown <julian@codesourcery.com>
16918 Nathan Sidwell <nathan@codesourcery.com>
16919 Richard Sandiford <richard@codesourcery.com>
16920
16921 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
16922 the -mcpu= argument associated with the --with-cpu setting.
16923 Define M68K_DEFAULT_TUNE to the default -mtune= option,
16924 if different from the one implied by the -mcpu setting.
16925 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
16926 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
16927 * doc/invoke.texi: Mention ColdFire in the introduction to the
16928 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
16929 -mno-div and -mhard-float options. Make -m68881 a synonym for
16930 -mhard-float. Document the previously-undocumented -m5206e,
16931 -m528x, -m5307 and -m5407 options. Tweak the existing option
16932 documentation for consistency.
16933 * doc/install.texi: Mention new --with-cpu arguments.
16934 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
16935 default CPU if neither -mcpu nor -march are specified.
16936 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
16937 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
16938 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
16939 using m68k_tune to decide between families that implement the
16940 same ISA. Use m68k_tune to set __mcfv4e__.
16941 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
16942 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
16943 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
16944 (FL_ISA_C, FL_ISA_MMU): New macros.
16945 (MASK_COLDFIRE): Delete.
16946 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
16947 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
16948 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
16949 (TARGET_HARD_FLOAT): Do not define here.
16950 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
16951 (TUNE_68000): New macro.
16952 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
16953 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
16954 (TUNE_CFV2): Redefine in terms of m68k_tune.
16955 (uarch_type, target_device, fpu_type): New enums.
16956 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
16957 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
16958 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
16959 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
16960 (FL_FOR_isa_c): New macros.
16961 (m68k_isa): New enum.
16962 (m68k_target_selection): New structure.
16963 (all_devices, all_isas, all_microarchs): New tables.
16964 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
16965 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
16966 (MASK_ALL_CPU_BITS): Delete.
16967 (m68k_find_selection): New function.
16968 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
16969 Map the legacy target options to a combination of the new ones.
16970 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
16971 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
16972 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
16973 settings.
16974 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
16975 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
16976 properties.
16977 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
16978 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
16979 * config/m68k/m68k-devices.def: New file.
16980
16981 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16982 Nathan Sidwell <nathan@codesourcery.com>
16983
16984 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
16985 (SUBTARGET_EXTRA_SPECS): New macros.
16986 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
16987 use %(asm_cpu_spec) instead.
16988 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
16989 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
16990 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
16991 (EXTRA_SPECS): Rename to...
16992 (SUBTARGET_EXTRA_SPECS): ...this.
16993
16994 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16995 Richard Sandiford <richard@codesourcery.com>
16996 Julian Brown <julian@codesourcery.com>
16997
16998 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16999 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
17000 to the configuration's default CPU.
17001 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
17002 Remove default masks.
17003 (m680[012]0-*-*): Set the default with_cpu to the first part of
17004 the target name.
17005 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
17006 (m68k*-*-linux): Extend the --with-cpu handling to...
17007 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
17008 and m68010. Don't set target_cpu_default2.
17009 * doc/install.texi: Document --with-cpu for m68k.
17010 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
17011 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
17012 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
17013 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
17014 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
17015 (ASM_SPEC): Remove use of %(asm_cpu_default).
17016 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
17017 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
17018 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
17019 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
17020 __HAVE_FPU__ if TARGET_HARD_FLOAT.
17021 (TARGET_DEFAULT): Delete.
17022 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
17023 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
17024 (CPP_CPU_SPEC): Delete.
17025 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
17026 the appropriate string.
17027 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
17028 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
17029 (ASM_SPEC): Don't use %(asm_default_spec).
17030 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
17031 TARGET_DEFAULT and add MASK_68881.
17032 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
17033
17034 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17035
17036 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
17037 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
17038 MASK_68010 alongside MASK_68020.
17039 * doc/invoke.texi: Document -m68010.
17040 * config/m68k/m68k.opt (m68010): New.
17041 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
17042 if TUNE_68010.
17043 (TUNE_68010): New macro.
17044 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
17045 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
17046 (M68K_CPU_m68332): Add MASK_68010.
17047 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
17048 fallback definition.
17049 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
17050 defines.
17051 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
17052 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
17053 to all entries that use MASK_68020.
17054 (output_move_simode_const, output_move_himode, output_move_qimode)
17055 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
17056 instead of TARGET_68020 to select clr behavior. Remove comment
17057 about there being no TARGET_68010.
17058 * config/m68k/m68k.md: Likewise throughout.
17059
17060 2007-01-12 Julian Brown <julian@codesourcery.com>
17061
17062 * config/m68k/m68k.h (TARGET_ISAB): New macro.
17063 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
17064 * config/m68k/m68k.md: Likewise.
17065
17066 2007-01-12 Julian Brown <julian@codesourcery.com>
17067
17068 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
17069 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
17070
17071 2007-01-12 Julian Brown <julian@codesourcery.com>
17072
17073 * config/m68k/m68k.h (TUNE_68040_60): New macro.
17074 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
17075 * config/m68k/m68k.md: Likewise.
17076
17077 2007-01-12 Julian Brown <julian@codesourcery.com>
17078 Richard Sandiford <richard@codesourcery.com>
17079
17080 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
17081 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
17082 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
17083 TARGET_CPU32.
17084 (TARGET_CPU32): Rename to...
17085 (TUNE_CPU32): ...this.
17086 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
17087 (TUNE_CFV2): New macros.
17088 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
17089 remove conditions that are implied by TARGET_68020.
17090 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
17091 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
17092 (m68k_output_function_epilogue): Likewise.
17093 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
17094 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
17095 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
17096 non-68000 timings. Refactor multiplication and division costs.
17097 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
17098 TUNE_CPU32 instead of TARGET_CPU32.
17099 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
17100 and TUNE_68060 instead of TARGET_68060.
17101 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
17102 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
17103 TARGET_CPU32.
17104 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
17105 && !TARGET_COLDFIRE" to choose between moveq and clr.
17106 Likewise in the unnamed movsf pattern.
17107 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
17108 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
17109 ashiftrt pattern.
17110
17111 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17112
17113 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
17114 of tabbing before backslashes.
17115
17116 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17117
17118 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
17119 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
17120 (ASM_OUTPUT_INTERNAL_LABEL): Define.
17121
17122 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17123
17124 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
17125 find_interesting_uses_cond.
17126 (find_interesting_uses_cond): Use extract_cond_operands.
17127 (rewrite_use_compare): Use extract_cond_operands and
17128 force_gimple_operand_bsi. Do not call update_stmt.
17129 (determine_use_iv_cost_condition): Use extract_cond_operands.
17130 Return cheaper of using original bound and changing the exit bound.
17131
17132 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17133
17134 PR tree-optimization/29516
17135 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
17136 most_expensive_mult_to_index, addr_to_parts,
17137 create_mem_ref, maybe_fold_tmr): Make the type of
17138 fields of TARGET_MEM_REF sizetype.
17139 (move_fixed_address_to_symbol, move_pointer_to_base):
17140 New functions.
17141 * tree.def (TARGET_MEM_REF): Add comment on types of
17142 the operands.
17143
17144 2007-01-11 Joseph Myers <joseph@codesourcery.com>
17145
17146 * c-common.c (vector_types_convertible_p): Treat opaque types as
17147 always convertible if they have the same size, but not otherwise.
17148
17149 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
17150
17151 * ifcvt.c (struct noce_if_info): Add comments to the fields.
17152 Remove the b_unconditional field.
17153 (noce_try_sign_mask): Do not look at b_unconditional.
17154 (noce_process_if_block): Do not use merge_if_blocks. Update
17155 the CFG here. Do not set b_unconditional.
17156 (cond_move_process_if_block): Likewise.
17157 (find_cond_trap): Likewise.
17158 (check_cond_move_block): Require simple jump insns at the end
17159 of the basic block.
17160
17161 2007-01-11 Jan Hubicka <jh@suse.cz>
17162
17163 PR tree-optimization/1046
17164 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
17165 when alias info is not ready.
17166 (pass_tail_recursion): Do not require aliasing.
17167 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
17168 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
17169 * tree-ssa-copy.c (pass_copy_prop): Likewise.
17170 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
17171 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
17172 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
17173 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
17174 before inlining.
17175 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
17176 When aliasing is not build, mark statement as volatile.
17177
17178 2007-01-11 Tom Tromey <tromey@redhat.com>
17179
17180 PR preprocessor/15185, PR preprocessor/20989:
17181 * doc/cppopts.texi <-MT>: Update description of algorithm for
17182 computing default target.
17183 <-M, -MD>: Reword "basename" text.
17184
17185 2007-01-11 Roger Sayle <roger@eyesopen.com>
17186
17187 * builtins.c (expand_builtin_pow, expand_builtin_powi,
17188 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
17189 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
17190 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
17191 fold_builtin_bswap, real_constp, fold_builtin_pow,
17192 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
17193 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
17194 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17195 * convert.c (convert_to_pointer): Likewise.
17196 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
17197 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
17198 const_binop, fold_convert_const_int_from_int,
17199 fold_convert_const_int_from_real,
17200 fold_convert_const_real_from_real, sign_bit_p,
17201 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
17202 fold_sign_changed_comparison, fold_unary, fold_comparison,
17203 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
17204 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
17205 * print-tree.c (print_node_brief, print_node): Likewise.
17206 * stor-layout.c (place_field, layout_type): Likewise.
17207 * tree-chrec.c (keep_cast): Likewise.
17208 * tree.c (build_vector, build_real, build_real_from_int_cst,
17209 build_complex): Likewise.
17210
17211 2007-01-11 Roger Sayle <roger@eyesopen.com>
17212
17213 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
17214 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
17215
17216 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
17217
17218 * configure.ac (strict1_warn): Rename to strict_warn.
17219 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
17220 cc_set_by_configure, quoted_cc_set_by_configure,
17221 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
17222 all_boot_languages, all_stagestuff): Remove.
17223 (target_list): Remove bootstrap targets.
17224 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
17225 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
17226 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
17227 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
17228 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
17229 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
17230 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
17231 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
17232 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
17233 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
17234 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
17235 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
17236 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
17237 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
17238 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
17239 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
17240 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
17241 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
17242 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
17243 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
17244 (mostlyclean): Adjust.
17245 (clean, distclean): Don't mention bootstrap stuff.
17246 * configure: Regenerate.
17247 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
17248 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
17249 treelang/config-lang.in (stagestuff): Remove.
17250 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
17251 stageprofile, stagefeedback, stagestuff): Remove mention.
17252
17253 2007-01-11 Nick Clifton <nickc@redhat.com>
17254
17255 * config/mcore/predicates.md (mcore_general_movesrc_operand):
17256 Accept CONSTs.
17257 (mcore_general_movdst_operand): Do not accept CONST_INTs.
17258 (mcore_arith_K_S_operand): Run the test for the S constraint not
17259 the test for the M constraint.
17260 (mcore_addsub_operand): Do not accept integer values that are
17261 larger than 32 bits.
17262 * config/mcore/mcore.md: Remove unused constraints from split.
17263 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
17264 (addsi3): Likewise.
17265 (allocate_stack): Likewise.
17266 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
17267 operands to 32 bits.
17268 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
17269 INTVAL.
17270 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
17271 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
17272 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
17273 mcore_output_bclri, mcore_output_andn, output_inline_const,
17274 mcore_output_move, mcore_output_movedouble): Likewise.
17275 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
17276 (output_inline_const): Likewise.
17277 (output_inline_const): Fix format strings used in sprintf
17278 statements.
17279 * config/mcore/mcore-protos.h: Update prototypes for changed
17280 functions in mcore.c.
17281 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
17282 HOST_WIDE_INT and not int.
17283 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
17284 CONST_OK_FOR_N): Likewise.
17285 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
17286 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
17287 an INTVAL.
17288
17289 2007-01-10 Jan Hubicka <jh@suse.cz>
17290
17291 * tree-vrp.c (remove_range_assertions): Release defs.
17292 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
17293 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
17294
17295 2007-01-10 Paul Brook <paul@codesourcery.com>
17296
17297 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
17298 * config/arm/arm.md (mulsi3subsi): New insn.
17299
17300 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
17301
17302 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
17303 (tree_transform_and_unroll_loop): New.
17304 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
17305 Declare.
17306
17307 2007-01-10 Robert Kennedy <jimbob@google.com>
17308
17309 * fold-const.c (fold_comparison): Fold comparisons like (x *
17310 1000 < 0) to (x < 0).
17311
17312 2007-01-10 Ian Lance Taylor <iant@google.com>
17313
17314 * tree-pretty-print.c (dump_generic_node): Print parentheses when
17315 operands have the same priority.
17316
17317 2007-01-10 Tom Tromey <tromey@redhat.com>
17318
17319 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
17320 (fold_binary): Likewise.
17321 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
17322 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
17323 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
17324 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
17325 * langhooks.h (struct lang_hooks): Removed field
17326 'can_use_bit_fields_p'.
17327
17328 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
17329
17330 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
17331
17332 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
17333
17334 * function.c (get_last_funcdef_no): New function.
17335 * function.h (get_last_funcdef_no): Declare.
17336 * tree-inline.c (initialize_cfun): Add initialization.
17337 (tree_function_versioning): Cleanup.
17338
17339 2007-01-10 Jan Hubicka <jh@suse.cz>
17340
17341 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
17342 PHIs.
17343
17344 2007-01-10 Sa Liu <saliu@de.ibm.com>
17345 Ben Elliston <bje@au.ibm.com>
17346
17347 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
17348 for SAVE_NONLOCAL and Pmode for any other save level.
17349 * spu-protos.h (spu_restore_stack_block): Declare.
17350 * spu.md (save_stack_block): Remove.
17351 (restore_stack_block): Call spu_restore_stack_block.
17352 * spu.c (spu_restore_stack_block): New function.
17353 (spu_expand_epilogue): Remove old comment.
17354
17355 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
17356
17357 PR tree-optimization/30322
17358 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
17359 (cand_value_at): Return the value as aff_tree.
17360 (may_eliminate_iv): Convert the bound from aff_tree to tree.
17361 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
17362 aff_combination_mult): New functions.
17363 (aff_combination_add): Use aff_combination_add_cst.
17364 (aff_combination_convert): Allow conversions to a wider type.
17365 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
17366 * tree-affine.h (aff_combination_mult): Declare.
17367
17368 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
17369
17370 * doc/tm.texi: Update documentation to reflect reality of exec
17371 and start file search behaviours. Update copyright year.
17372 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
17373 header file directories.
17374
17375 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
17376
17377 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
17378 (*cosxf2): Rename to cosxf2_i387.
17379 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
17380 using X87MODEF12 mode macro. Rename patterns to
17381 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
17382 for SSE math.
17383 (*cosdf2, *cossf2): Ditto.
17384 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
17385 to match extended input operands.
17386 (sincos<mode>3): New expander.
17387 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
17388 insn patterns and corresponding splitters.
17389
17390 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
17391
17392 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
17393 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
17394
17395 2007-01-09 Nicolas Pitre <nico@cam.org>
17396
17397 PR target/30173
17398 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
17399
17400 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17401
17402 * target.h (struct gcc_target): New field library_rtti_comdat.
17403 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
17404 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
17405 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
17406 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
17407
17408 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17409
17410 * doc/invoke.texi (Optimize Options): Correct description of -O0.
17411
17412 2007-01-08 Richard Guenther <rguenther@suse.de>
17413
17414 * tree.h (force_fit_type_double): Export.
17415 (force_fit_type): Remove.
17416 * fold-const.c (force_fit_type_double): New function.
17417 (force_fit_type): Remove.
17418 (int_const_binop): Use it.
17419 (fold_convert_const_int_from_int): Likewise.
17420 (fold_convert_const_int_from_real): Likewise.
17421 (fold_div_compare): Likewise.
17422 (fold_sign_changed_comparison): Likewise.
17423 (fold_unary): Likewise.
17424 (fold_negate_const): Likewise.
17425 (fold_abs_const): Likewise.
17426 (fold_not_const): Likewise.
17427 * c-common.c (shorten_compare): Use force_fit_type_double.
17428 * convert.c (convert_to_pointer): Likewise.
17429
17430 2007-01-08 Richard Guenther <rguenther@suse.de>
17431
17432 * tree.h (build_int_cst_wide_type): Export.
17433 * tree.c (build_int_cst_wide_type): New function.
17434 (build_int_cst_wide): Fix comment.
17435 * builtins.c (fold_builtin_object_size): Use build_int_cst
17436 to build -1 or 0 of the correct type. Use fit_double_type
17437 to check for overflow.
17438 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
17439 to build the mask.
17440 (decode_field_reference): Likewise.
17441 (all_ones_mask_p): Likewise.
17442 (native_interpret_int): Use build_int_cst_wide_type.
17443 (fold_binary): Use build_int_cst_type to build an all-ones
17444 value.
17445 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
17446
17447 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
17448
17449 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
17450
17451 2007-01-09 Ben Elliston <bje@au.ibm.com>
17452
17453 * genautomata.c (STATS_OPTION): New option.
17454 (stats_flag): New flag.
17455 (gen_automata_option): Handle it.
17456 (initiate_automaton_gen): Ditto.
17457 (write_automata): Output statistics only if stats_flag is
17458 set. Likewise, output time statistics only if time_flag is set.
17459 * doc/md.texi (Processor pipeline description): Document new flag.
17460
17461 2007-01-08 Richard Guenther <rguenther@suse.de>
17462
17463 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
17464 * tree.c (build_int_cst_type): Likewise.
17465 (size_in_bytes): Don't call force_fit_type on the result.
17466 (int_fits_type_p): Use fit_double_type.
17467 * fold-const.c (fit_double_type): New function.
17468 (force_fit_type): Use it.
17469 * tree.h (fit_double_type): Export.
17470
17471 2007-01-08 Jan Hubicka <jh@suse.cz>
17472
17473 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
17474 * ipa.c (function_and_variable_visibility): Fix return type.
17475
17476 2007-01-08 Richard Guenther <rguenther@suse.de>
17477
17478 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
17479 of offset to build the index.
17480 * tree-pretty-print.c (dump_generic_node): Don't build negated
17481 const just for printing.
17482 * c-pretty-print.c (pp_c_integer_constant): Likewise.
17483 * builtins.c (fold_builtin_int_roundingfn): Check if result
17484 fits the type by using force_fit_type and comparing the result.
17485 * predict.c (predict_loops): Use compare_tree_int for comparison.
17486 * tree.c (build_int_cst): Fall back to integer_type_node for
17487 NULL_TREE type.
17488 (build_int_cst_wide): Assert type is non-null.
17489
17490 2007-01-08 Roberto Costa <roberto.costa@st.com>
17491
17492 * tree-vrp.c (extract_range_from_cond_expr): New.
17493 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
17494 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
17495 as expressions.
17496 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
17497 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
17498 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
17499 used as expressions.
17500 * tree-object-size.c (cond_expr_object_size): New.
17501 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
17502
17503 2007-01-08 Jan Hubicka <jh@suse.cz>
17504
17505 * tree-ssa-forwprop.c (forward_propagate_into_cond,
17506 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
17507 statement.
17508
17509 2007-01-08 Richard Guenther <rguenther@suse.de>
17510
17511 PR tree-optimization/23603
17512 * tree-vrp.c (set_value_range_to_truthvalue): New function.
17513 (extract_range_from_binary): Fall back to truthvalue instead of
17514 varying for TRUTH_*_EXPR.
17515 (extract_range_from_comparison): Fall back to truthvalue instead of
17516 varying.
17517 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
17518 if all visited PHI values were constant.
17519
17520 2007-01-08 Jan Hubicka <jh@suse.cz>
17521
17522 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
17523 (cgraph_analyze_function): break out from ...
17524 (cgraph_finalize_compilation_unit): ... here.
17525 (cgraph_expand_function): Remove forgoten commented out line.
17526 (cgraph_optimize): Analyze functions.
17527
17528 2007-01-08 Jan Hubicka <jh@suse.cz>
17529
17530 * tree-pas.h (TODO_remove_function): New flag.
17531 (TODO_update*): Renumber.
17532 (pass_ipa_increase_alignment,
17533 pass_ipa_function_and_variable_visibility): New passes.
17534 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
17535 (cgraph_function_and_variable_visibility): Move to ipa.c
17536 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
17537 cgraph_increase_alignment.
17538 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
17539 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
17540 calling tree-inline.
17541 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
17542 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
17543 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
17544 (gate_increase_alignment): New function.
17545 (pass_ipa_increase_alignment): New pass.
17546 * ipa.c: Inline tree-pass.h and timevar.h
17547 (function_and_variable_visibility): Move here from cgraphunit.c
17548 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
17549 * passes.c (init_optimization_passes): Add the two new passes.
17550 (execute_todo): Handle cgraph_remove_functions.
17551
17552 2007-01-08 Nick Clifton <nickc@redhat.com>
17553
17554 * config/frv/predicates.md (reg_or_0_operand): Accept
17555 CONST_DOUBLEs.
17556
17557 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
17558
17559 * config/bfin/rtems.h, config/bfin/t-rtems: New.
17560 * config.gcc: Add bfin*-rtems*.
17561
17562 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17563
17564 * c.opt: Add -flax-vector-conversions.
17565 * c-typeck.c (convert_for_assignment): Pass flag to
17566 vector_types_convertible_p to allow emission of note.
17567 (digest_init): Likewise.
17568 * c-opts.c: Handle -flax-vector-conversions.
17569 * c-common.c (flag_lax_vector_conversions): New.
17570 (vector_types_convertible_p): Unless -flax-vector conversions
17571 has been passed, disallow conversions between vectors with
17572 differing numbers of subparts and/or element types. If such
17573 a conversion is disallowed, possibly emit a note on the first
17574 occasion only to inform the user of -flax-vector-conversions.
17575 The new last argument specifies this.
17576 * c-common.h (flag_lax_vector_conversions): New.
17577 (vector_types_convertible_p): Add extra argument.
17578 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
17579 char_type_node for V*QI type vectors.
17580 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
17581 Update to satisfy new typechecking rules.
17582 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
17583 C and C++ variants.
17584 * doc/invoke.texi (C Dialect Options): Document
17585 -flax-vector-conversions.
17586
17587 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17588
17589 PR tree-optimization/29877
17590 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
17591 a register variable on the RHS to not be replaceable.
17592
17593 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
17594 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
17595 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
17596 const_simm15, const_pow2, const_npow2): Added.
17597 * config/score/misc.md (insv, extv, extzv, movmemsi,
17598 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
17599 * config/score/score.c (score_address_cost, score_select_cc_mode):
17600 Added.
17601 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
17602 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
17603 Update score_print_operand.
17604 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
17605 Adjust register allocate order and update some macro define.
17606 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
17607 mdx_block_move_straight, mdx_block_move_loop_head,
17608 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
17609 mdx_block_move): Added.
17610 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
17611 mdp_limm): Updated and fix some bug and typo.
17612 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
17613 (movsf, movdf, doloop_end): Added.
17614
17615 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
17616
17617 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
17618 config/arm/thumb2.md: Fix comment typos.
17619 * doc/extend.texi: Fix a typo.
17620
17621 2007-01-07 Eric Christopher <echristo@apple.com>
17622
17623 * configure.ac: Check for __stack_chk_fail for darwin.
17624 * configure: Regenerate.
17625
17626 2007-01-07 Richard Guenther <rguenther@suse.de>
17627
17628 * tree-vrp.c (extract_range_from_assert): CSE calls to
17629 compare_values where possible.
17630 (extract_range_from_unary_expr): Likewise.
17631
17632 2007-01-07 Anatoly Sokolov <aesok@post.ru>
17633
17634 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
17635 * config/avr/avr.c (call_insn_operand): Delete function.
17636 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
17637 instead of register number. Use predicates.
17638 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
17639 call_insn_operand): Add.
17640
17641 2007-01-06 Jan Hubicka <jh@suse.cz>
17642
17643 * tree-pass.h (pass_build_cgraph_edges): Declare.
17644 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
17645 (visited_nodes): Remove.
17646 (cgraph_create_edges): Move to cgraphbuild.c; rename to
17647 build_cgrpah_edges; make visited_nodes local.
17648 (cgraph_process_new_functions): DO not call initialize_inline_failed.
17649 (record_references_in_initializer): Move to cgraphbuild.c
17650 (initialize_inline_failed, rebuild_cgraph_edges,
17651 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
17652 (verify_cgraph_node): Make visited_nodes local.
17653 (cgraph_analyze_function): Do not call cgraph_create_edges and
17654 initialize_inline_failed.
17655 (cgraph_expand_function): Do not call cgraph_lower_function;
17656 assert that function is already lowered.
17657 * Makefile.in (cgraphbuild.o): New.
17658 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
17659 at the end of lowering passes.
17660
17661 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
17662
17663 * ifcvt.c (cond_move_convert_if_block): New function, code
17664 factored out from...
17665 (cond_move_process_if_block): ...here. Call the new function
17666 on the THEN and ELSE blocks.
17667 (merge_if_block): Do not copy global_live_at_end, merge_blocks
17668 already takes care of this.
17669
17670 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17671
17672 PR c/19978
17673 * tree.h (TREE_OVERFLOW_P): New.
17674 * c-typeck.c (parser_build_unary_op): Warn only if result
17675 overflowed and operands did not.
17676 (parser_build_binary_op): Likewise.
17677 (convert_for_assignment): Remove redundant overflow_warning.
17678 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
17679
17680 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17681
17682 * c-typeck.c (store_init_value): Split over two lines to follow
17683 the GNU coding style.
17684
17685 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
17686
17687 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
17688 __GXX_EXPERIMENTAL_CXX0X__.
17689 * doc/cpp.texi: Same.
17690
17691 2007-01-05 Richard Guenther <rguenther@suse.de>
17692
17693 PR middle-end/27826
17694 * tree.c (get_narrower): Do not construct COMPONENT_REFs
17695 with mismatched types. Instead explicitly build a
17696 conversion NOP_EXPR.
17697
17698 2007-01-05 Ian Lance Taylor <iant@google.com>
17699
17700 * c-common.c (decl_with_nonnull_addr_p): New function.
17701 (c_common_truthvalue_conversion): Call it.
17702 * c-typeck.c (build_binary_op): Likewise.
17703 * c-common.h (decl_with_nonnull_addr_p): Declare.
17704
17705 2007-01-05 Jakub Jelinek <jakub@redhat.com>
17706
17707 PR c/30360
17708 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
17709 denom against 0.0.
17710
17711 2007-01-05 Joel Brobecker <brobecker@adacore.com>
17712
17713 * doc/install.texi (Final install): Document the fact that
17714 the GNAT runtime should not be stripped.
17715
17716 2007-01-04 Jan Hubicka <jh@suse.cz>
17717
17718 * tree-inline.c (fold_marked_statements): Update operand caches
17719 and EH after folding
17720
17721 2007-01-04 Ian Lance Taylor <iant@google.com>
17722
17723 * c-common.c (check_function_nonnull): Whitespace fix.
17724
17725 2007-01-04 Jan Hubicka <jh@suse.cz>
17726
17727 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
17728 comitted older version of patch.
17729 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
17730 function, celanup cfg and collect garbage.
17731
17732 2007-01-04 Mike Stump <mrs@apple.com>
17733
17734 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
17735 (clean): Likewise.
17736
17737 2007-01-04 Eric Christopher <echristo@apple.com>
17738
17739 * libgcc2.c (__bswapsi2): Use SItype.
17740 (__bswapdi2): Use DItype.
17741 * libgcc2.h: Update for above.
17742
17743 2007-01-04 Paul Brook <paul@codesourcery.com>
17744
17745 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
17746 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
17747 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
17748 umulsidi3, umulsidi3adddi, smulsi3_highpart,
17749 umulsi3_highpart): Make conditional on !arm_arch6.
17750 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
17751 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
17752 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
17753 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
17754 umulsi3_highpart_v6): New insns.
17755
17756 2007-01-04 Roger Sayle <roger@eyesopen.com>
17757
17758 * fold-const.c (fold_convert): When casting an expression to void,
17759 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
17760 have a type. Instead of attempting to build a NOP_EXPR, return
17761 these "special" trees directly.
17762
17763 2007-01-04 Joseph Myers <joseph@codesourcery.com>
17764
17765 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
17766 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
17767 rs6000_cost->fp not 0 as adjustment for outer NEG.
17768
17769 2007-01-04 Jan Hubicka <jh@suse.cz>
17770
17771 * cgraph.c (cgraph_release_function_body): New function.
17772 (cgraph_remove_node): Use it.
17773 * cgraph.h (cgraph_release_function_body): Declare.
17774 * cgraphunit.c (cgraph_expand_function): Use it.
17775 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
17776 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
17777 is initialized and while compilation of other function is running.
17778 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
17779 statement CFG annotations from here to ...
17780 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
17781
17782 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
17783
17784 * cfgloop.h (enum li_flags): Make the constants powers of two.
17785
17786 2007-01-04 Jan Hubicka <jh@suse.cz>
17787
17788 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
17789 set.
17790 (fold_marked_statements): New function.
17791 (optimize_inline_calls, tree_function_versioning): Fold new statements.
17792 * tree-inline.h (copy_body_data): Add statements_to_fold.
17793
17794 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
17795
17796 * config.gcc: Mention libgcc/config.host.
17797 * Makefile.in: Update comments mentioning libgcc.
17798 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
17799 (all.cross, start.encap, rest.encap, rest.cross): Update
17800 dependencies for libgcc move.
17801 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
17802 (clean-target, clean-target-libgcc): Delete.
17803 (srcdirify, GCC_EXTRA_PARTS): New macros.
17804 (libgcc-support, libgcc.mvars): New rules.
17805 (distclean): Remove mention of mklibgcc.
17806 (install): Don't reference INSTALL_LIBGCC.
17807 (install-common): Don't reference EXTRA_PARTS.
17808 (install-libgcc, install-multilib): Delete rules.
17809 * mklibgcc.in: Delete file.
17810 * doc/configfiles.texi: Don't mention mklibgcc.
17811
17812 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
17813 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
17814 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
17815 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
17816 (mklibgcc, ldblspecs): Likewise.
17817
17818 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
17819 (posixpre.def): Use $(T).
17820 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
17821 (SHLIB_SRC, SHLIB_INSTALL): Delete.
17822 (SHLIB_LINK): Make dummy.
17823 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
17824
17825 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
17826
17827 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
17828 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
17829 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
17830 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
17831
17832 * configure.ac (all_outputs): Remove mklibgcc.
17833 * configure: Regenerated.
17834
17835 2007-01-03 Josh Conner <jconner@apple.com>
17836
17837 PR middle-end/29683
17838 * calls.c (compute_argument_addresses): Set stack and stack_slot
17839 for partial args, too.
17840 (store_one_arg): Use locate.size.constant for the size when
17841 generating a save_area.
17842
17843 2007-01-03 Robert Kennedy <jimbob@google.com>
17844
17845 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
17846 whose definitions are deleted due to basic block merging.
17847
17848 2007-01-03 Paul Brook <paul@codesourcery.com>
17849
17850 PR target/16634
17851 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
17852 functions.
17853 (use_return_insn): Return 0 for Thumb interrupt functions.
17854 (print_multi_reg): Add rfe argument for IRQ returns.
17855 (arm_output_epilogue): Pop interrupt return address directly into PC.
17856 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
17857
17858 2007-01-03 Paul Brook <paul@codesourcery.com>
17859
17860 Merge from sourcerygxx-4_1.
17861 * config/arm/thumb2.md: New file.
17862 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
17863 Thumb-2.
17864 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
17865 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17866 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
17867 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
17868 tables.
17869 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17870 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
17871 comptibility.
17872 * config/arm/ieee754-sf.S: Ditto.
17873 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
17874 (thumb1_base_register_rtx_p): ... to this.
17875 (thumb_index_register_rtx_p): Rename...
17876 (thumb1_index_register_rtx_p): ... to this.
17877 (thumb_output_function_prologue): Rename...
17878 (thumb1_output_function_prologue): ... to this.
17879 (thumb_legitimate_address_p): Rename...
17880 (thumb1_legitimate_address_p): ... to this.
17881 (thumb_rtx_costs): Rename...
17882 (thumb1_rtx_costs): ... to this.
17883 (thumb_compute_save_reg_mask): Rename...
17884 (thumb1_compute_save_reg_mask): ... to this.
17885 (thumb_final_prescan_insn): Rename...
17886 (thumb1_final_prescan_insn): ... to this.
17887 (thumb_expand_epilogue): Rename...
17888 (thumb1_expand_epilogue): ... to this.
17889 (arm_unwind_emit_stm): Rename...
17890 (arm_unwind_emit_sequence): ... to this.
17891 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
17892 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
17893 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
17894 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
17895 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
17896 thumb2_output_casesi): New functions.
17897 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
17898 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
17899 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
17900 THUMB2_WORK_REGS): Define.
17901 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
17902 arm_condexec_mask, arm_condexec_masklen)): New variables.
17903 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
17904 (arm_override_options): Check new CPU capabilities.
17905 Set new architecture flag variables.
17906 (arm_isr_value): Handle v7m interrupt functions.
17907 (user_return_insn): Return 0 for v7m interrupt functions. Handle
17908 Thumb-2.
17909 (const_ok_for_arm): Handle Thumb-2 constants.
17910 (arm_gen_constant): Ditto. Use movw when available.
17911 (arm_function_ok_for_sibcall): Return false for v7m interrupt
17912 functions.
17913 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
17914 (thumb_find_work_register, arm_load_pic_register,
17915 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
17916 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
17917 print_multi_reg, output_mov_long_double_fpa_from_arm,
17918 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
17919 output_mov_double_fpa_from_arm, output_move_double,
17920 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
17921 output_return_instruction, arm_output_function_prologue,
17922 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
17923 arm_output_mi_thunk, thumb_set_return_address): Ditto.
17924 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
17925 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
17926 (arithmetic_instr, shift_op): Use arm_shift_nmem.
17927 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
17928 '!' and 'L'.
17929 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
17930 (thumb_expand_prologue): Use thumb_set_frame_pointer.
17931 (arm_file_start): Output directive for unified syntax.
17932 (arm_unwind_emit_set): Handle stack alignment instruction.
17933 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
17934 Add v6t2, v7, v7a, v7r and v7m.
17935 (RETLDM): Add Thumb-2 code.
17936 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
17937 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
17938 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
17939 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
17940 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
17941 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
17942 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
17943 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
17944 ADJUST_INSN_LENGTH): Define.
17945 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
17946 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
17947 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
17948 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
17949 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
17950 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
17951 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
17952 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
17953 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
17954 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
17955 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
17956 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
17957 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
17958 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
17959 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
17960 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
17961 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
17962 cortex-m3.
17963 * config/arm/arm-tune.md: Regenerate.
17964 * config/arm/arm-protos.h: Update prototypes.
17965 * config/arm/vfp.md: Enable patterns for Thumb-2.
17966 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
17967 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
17968 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
17969 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
17970 * config/arm/libunwind.S: Add Thumb-2 code.
17971 * config/arm/constraints.md: Update include Thumb-2.
17972 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
17973 * config/arm/ieee754-df.S: Ditto.
17974 * config/arm/bpabi.S: Ditto.
17975 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
17976 * config/arm/predicates.md (low_register_operand,
17977 low_reg_or_int_operand, thumb_16bit_operator): New.
17978 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
17979 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
17980 * config/arm/t-arm-elf: Add armv7 multilib.
17981 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
17982 Include thumb2.md.
17983 (UNSPEC_STACK_ALIGN, ce_count): New.
17984 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
17985 arm_zero_extendsidi2, arm_zero_extendqidi2): New
17986 insns/expanders.
17987 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
17988 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
17989 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
17990 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
17991 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
17992 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
17993 insns.
17994 * doc/extend.texi: Document ARMv7-M interrupt functions.
17995 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
17996
17997 2007-01-03 Jakub Jelinek <jakub@redhat.com>
17998
17999 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
18000 (struct _Unwind_Context): Rename args_size to flags, remove
18001 signal_frame field, add a new args_size field and version field.
18002 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
18003 _Unwind_IsExtendedContext): New inline functions.
18004 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
18005 Assume by_value array is only present if _Unwind_IsExtendedContext.
18006 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
18007 _Unwind_IsSignalFrame.
18008 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
18009 (uw_update_context_1): Use _Unwind_SetSignalFrame.
18010 (uw_init_context_1): Initialize context->flags to
18011 EXTENDED_CONTEXT_BIT.
18012 * config/rs6000/linux-unwind.h (frob_update_context): Use
18013 _Unwind_SetSignalFrame.
18014
18015 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
18016
18017 PR middle-end/30353
18018 * gimplify.c (gimplify_modify_expr_complex_part): Move below
18019 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
18020 the value.
18021
18022 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
18023
18024 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
18025 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
18026 RET, AT_SP): Remove.
18027 * config/i386/i386.md (*sse_prologue_save_insn): Use return
18028 instead of RET.
18029
18030 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18031 * cfgbuild.c (find_basic_blocks): Likewise.
18032 * cfgrtl.c (rtl_create_basic_block): Likewise.
18033 * function.c (temp_slots_at_level): Likewise.
18034 * reg-stack.c (stack_regs_mentioned): Likewise.
18035 * regclass.c (allocate_reg_info): Likewise.
18036 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18037 set_bb_for_stmt, move_block_to_fn): Likewise.
18038 * tree-complex.c (tree_lower_complex): Likewise.
18039 * vec.h (VEC_safe_grow_cleared): New.
18040
18041 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
18042
18043 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
18044
18045 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
18046 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
18047 to loop_version.
18048 * cfgloopmanip.c (scale_loop_frequencies): Export.
18049 (loopify): Scale the frequencies by prescribed coefficients.
18050 (set_zero_probability): New function.
18051 (duplicate_loop_to_header_edge): Improve updating of frequencies.
18052 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
18053 and frequencies according to arguments.
18054 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
18055 correctly.
18056 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
18057 * modulo-sched.c (sms_schedule): Set probabilities for entering
18058 versioned loop correctly.
18059 * tree-vect-transform.c (vect_transform_loop): Ditto.
18060 * cfgloop.h (loopify, loop_version): Declaration changed.
18061 (scale_loop_frequencies): Declared.
18062
18063 2007-01-02 Jan Hubicka <jh@suse.cz>
18064
18065 * cgraph.c: Include tree-flow.h
18066 (cgraph_add_new-function): Handle IPA_SSA mode; execute
18067 early_local_passes.
18068 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
18069 * tree-pass.h (pass_all_early_optimizations): Declare.
18070 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
18071 early_local_passes.
18072 (cgraph_analyze_function): Do early_local_passes.
18073 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18074 Do not add referenced vars.
18075 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
18076 SSA form.
18077 (gate_all_early_local_passes): New gate.
18078 (pass_early_local_passes): Use new gate.
18079 (execute_early_local_optimizations): New functions.
18080 (gate_all_early_optimizations): New gate.
18081 (pass_all_early_optimizations): New pass.
18082 (execute_free_datastructures): Free SSA only when initialized.
18083 (gate_init_datastructures): Init only when optimizing.
18084 (tree_lowering_passes): Do early local passes when called late.
18085 * tree-profile.c (do_tree_profiling): Don't profile functions added
18086 late.
18087 (do_early_tree_profiling, pass_early_tree_profile): Kill.
18088 * tree-cfg.c (update_modified_stmts): Do not update when operands are
18089 not active.
18090 * passes.c (init_optimizations_passes): Reorder so we go into SSA
18091 during early_local_passes.
18092 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
18093
18094
18095 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18096
18097 * Makefile.in: Update copyright year.
18098
18099 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18100
18101 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
18102 in $(lang_checks) and check-consistency targets.
18103
18104 2007-01-02 Jan Hubicka <jh@suse.cz>
18105
18106 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18107 Do not add referenced vars.
18108 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
18109 are not active.
18110 * passes.c (init_optimization_passes): Put mudflap_2 after
18111 free_datastructures.
18112
18113 2007-01-02 Jan Hubicka <jh@suse.cz>
18114
18115 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
18116 Set NOTHROW flag on call statements proved to be nothrow.
18117 Update statement of local calls so new pure/const functions are
18118 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
18119 goto receivers.
18120 (tree_rest_of_compilation): Register hooks and initialize bitmap
18121 early. Do not set after_inlining flag.
18122
18123 2007-01-02 Steve Ellcey <sje@cup.hp.com>
18124
18125 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
18126 HOST_BITS_PER_LONGLONG
18127
18128 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18129
18130 PR c/19977
18131 * c-typeck.c (store_init_value): Don't emit pedantic overflow
18132 warning for non-static initializers.
18133
18134 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
18135
18136 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
18137 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
18138 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
18139 Always use set_unique_reg_note to add REG_EQUAL notes.
18140
18141 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18142
18143 Revert:
18144 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18145
18146 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18147 * cfgbuild.c (find_basic_blocks): Likewise.
18148 * cfgrtl.c (rtl_create_basic_block): Likewise.
18149 * function.c (temp_slots_at_level): Likewise.
18150 * reg-stack.c (stack_regs_mentioned): Likewise.
18151 * regclass.c (allocate_reg_info): Likewise.
18152 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18153 set_bb_for_stmt, move_block_to_fn): Likewise.
18154 * tree-complex.c (tree_lower_complex): Likewise.
18155 * vec.h (VEC_safe_grow_cleared): New.
18156
18157 2007-01-02 Ian Lance Taylor <iant@google.com>
18158
18159 * c-common.c (c_common_truthvalue_conversion): When warning about
18160 using an assignment as a truth value, set TREE_NO_WARNING.
18161
18162 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18163
18164 PR middle-end/7651
18165 * c.opt (Wold-style-declaration): New.
18166 * doc/invoke.texi (C-only Warning Options): New.
18167 (Wold-style-declaration): Document it.
18168 (Wextra): Enabled by -Wextra.
18169 * c-opts.c (c_common_post_options): Enabled by -Wextra.
18170 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
18171 -Wold-style-declaration.
18172
18173 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18174
18175 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18176 * cfgbuild.c (find_basic_blocks): Likewise.
18177 * cfgrtl.c (rtl_create_basic_block): Likewise.
18178 * function.c (temp_slots_at_level): Likewise.
18179 * reg-stack.c (stack_regs_mentioned): Likewise.
18180 * regclass.c (allocate_reg_info): Likewise.
18181 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18182 set_bb_for_stmt, move_block_to_fn): Likewise.
18183 * tree-complex.c (tree_lower_complex): Likewise.
18184 * vec.h (VEC_safe_grow_cleared): New.
18185
18186 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
18187
18188 * c-common.c (c_common_nodes_and_builtins): Since variants of
18189 void_type_node get built before it is given a name, we need to
18190 give those variants the name, too.
18191 (complete_array_type): We need to work with the canonical main
18192 type of the array, from which we will build the qualified version.
18193 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
18194 * print-tree.c (print_node): Display canonical type information
18195 for each type.
18196 * stor-layout.c (layout_type): When we don't know the
18197 alignment of a type for which we're building an array, we end up
18198 guessing wrong, so make the type require structural equality.
18199 * tree.c (make_node_stat): When we build a new type, it is its
18200 own canonical type.
18201 (build_type_attribute_qual_variant): When building an attribute
18202 variant, its canonical type is the non-attribute variant. However,
18203 if the attributes are target-dependent and they differ, we need to
18204 use structural equality checks for this type.
18205 (build_qualified_type): A qualified type is not equivalent to its
18206 unqualified variant; set the canonical type appropriately.
18207 (build_distinct_type_copy): When building a distinct type from
18208 another type, the new type is its own canonical type.
18209 (build_variant_type_copy): When building a new type variant, we
18210 assume that it is equivalent to the original type.
18211 (build_pointer_type_for_mode): When building a pointer type, also
18212 build a canonical type pointer.
18213 (build_reference_type_for_mode): When building a reference type,
18214 also build a canonical type reference.
18215 (build_index_type): When we can't hash an index type (e.g.,
18216 because its maximum value is negative), the index type requires
18217 structural equality tests.
18218 (build_array_type): Build the canonical form of an array type.
18219 (build_function_type): Function types require structural equality,
18220 because they contain default arguments, attributes, etc.
18221 (build_method_type_directly): Ditto for method types.
18222 (build_offset_type): Build the canonical offset type.
18223 (build_complex_type): Build the canonical vector type.
18224 (make_vector_type): Build the canonical vector type.
18225 * tree.h (TYPE_CANONICAL): New.
18226 (TYPE_STRUCTURAL_EQUALITY_P): New.
18227 (SET_TYPE_STRUCTURAL_EQUALITY): New.
18228 (struct tree_type): Added "canonical" field.
18229 * params.h (VERIFY_CANONICAL_TYPES): New.
18230 * doc/c-tree.texi (TYPE_CANONICAL): Document.
18231 (TYPE_STRUCTURAL_EQUALITY_P): Document.
18232 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
18233 * doc/invoke.texi (verify-canonical-types): Document --param
18234 parameter for verifying canonical types.
18235
18236 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18237
18238 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
18239 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
18240 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
18241 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
18242 tm_file.
18243 * config/rs6000/e500.h: New.
18244 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
18245 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
18246 Remove.
18247 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
18248 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
18249 TARGET_E500_DOUBLE): Remove.
18250 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
18251 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
18252 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
18253 * config/rs6000/rs6000.c (rs6000_override_options): Use
18254 CHECK_E500_OPTIONS.
18255
18256 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18257
18258 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
18259 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
18260 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
18261 rs6000_emit_cmove): Don't check TARGET_E500.
18262 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
18263 sordered): Don't check TARGET_E500.
18264
18265 2007-01-01 Eric Christopher <echristo@apple.com>
18266
18267 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
18268 HARD_REGISTER_NUM_P.
18269
18270 2007-01-01 Roger Sayle <roger@eyesopen.com>
18271
18272 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
18273 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
18274 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
18275 eq/ne Y".
18276
18277 2007-01-01 Mike Stump <mrs@apple.com>
18278
18279 * configure.ac: Remove support for building with Apple's gcc-3.1.
18280
18281 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18282
18283 PR middle-end/30311
18284 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
18285 REG is a hard register. Do not modify REG before calling
18286 subreg_nregs.
18287 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
18288 multiple of the size of YMODE for certain lowpart cases.
18289
18290 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18291
18292 PR middle-end/30253
18293 * gimplify (voidify_wrapper_expr): Update for
18294 GIMPLE_MODIFY_STMT.
18295
18296 2007-01-01 Andreas Schwab <schwab@suse.de>
18297
18298 PR target/29166
18299 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
18300 save of BR0 in extra_spill_size instead of spill_size.
18301 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
18302 area.
18303 (ia64_expand_epilogue): Restore BR0 from its new location.
18304
18305 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18306
18307 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
18308 Use a temporary variable if the left hand side is not a gimple
18309 register.
18310
18311 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18312
18313 * gimplify.c (gimplify_return_expr): Make the temporary variable
18314 for the return expression, a gimple register variable.
18315
18316 2007-01-01 Jan Hubicka <jh@suse.cz>
18317
18318 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
18319 INSN_LIST.
18320
18321 2007-01-01 Mike Stump <mrs@apple.com>
18322
18323 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
18324 .literal16.
18325 * config/darwin.c (machopic_select_rtx_section): Use
18326 HAVE_GAS_LITERAL16.
18327 (darwin_mergeable_constant_section): Likewise.
18328 * configure: Regenerate.
18329 * config.in: Regenerate.
18330
18331 2007-01-01 Jan Hubicka <jh@suse.cz>
18332 Andrew Pinski <pinskia@gmail.com>
18333
18334 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
18335 before starting IPA passes.