re PR testsuite/32014 (new gcc failures)
[gcc.git] / gcc / ChangeLog
1 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
2
3 PR testsuite/32014
4 * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
5 (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
6 (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
7 (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
8
9 2007-07-05 Zdenek Dvorak <dvorakz@suse.cz>
10
11 * config/i386/i386.c (ix86_address_cost): Do not consider more complex
12 addressing modes cheaper.
13
14 2007-07-05 Alexandre Oliva <aoliva@redhat.com>
15
16 * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
17 (dw_ranges_struct): Rename block_num to num. Adjust.
18 (dw_ranges_by_label_struct): New.
19 (ranges_by_label, ranges_by_label_allocated,
20 ranges_by_label_in_use): New variables.
21 (add_ranges_num): Factored most of the code out of...
22 (add_ranges): ... this one. Rewrite in terms of the former.
23 (add_ranges_by_labels): New.
24 (output_ranges): Output by-label ranges.
25 (dwarf2out_finish): Output range for multiple-section
26 compile_unit. Output standard DW_AT_low_pc in addition to
27 unexpected DW_AT_entry_pc.
28
29 2007-07-04 Daniel Berlin <dberlin@dberlin.org>
30
31 PR tree-optimization/32604
32 PR tree-optimization/32606
33
34 * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
35 (compute_antic_safe): Removed.
36 (ANTIC_SAFE_LOADS): Ditto.
37 (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
38 (execute_pre): Don't call compute_antic_safe.
39 (vuse_equiv): New function.
40 (make_values_for_stmt): Use it
41 * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
42 not always true.
43
44 2007-07-04 Anatoly Sokolov <aesok@post.ru>
45
46 PR target/31331
47 * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
48 rather than a decl.
49 (avr_attribute_table): Make "naked" attribute apply to function types
50 rather than to decls.
51 (avr_handle_fntype_attribute): New function.
52
53 2007-07-04 Joseph Myers <joseph@codesourcery.com>
54
55 * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
56 after \.
57
58 2007-07-04 David Ung <davidu@mips.com>
59 Joseph Myers <joseph@codesourcery.com>
60
61 * config/mips/mips.md (type): Add logical, signext and move.
62 (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
63 *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
64 *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
65 combinations", *zero_extend<SHORT:mode><GPR:mode>2,
66 *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
67 *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
68 *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
69 *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
70 *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
71 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
72 movv2sf_hardfloat_64bit): Use the new types.
73 (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
74 *movdf_softfloat, *movdf_mips16): Use "multi".
75 (extendqihi2): Replace with a define_expand.
76 (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
77 Based on extend<SHORT:mode><GPR:mode>2 patterns.
78 * config/mips/74k.md (r74k_int_logical): New reservation and
79 bypasses.
80 (r74k_int_arith): Remove "slt".
81 * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
82 config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
83 config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
84 config/mips/sb1.md, config/mips/sr71k.md: Add new types to
85 reservations for "arith".
86
87 2007-07-04 Richard Guenther <rguenther@suse.de>
88
89 * tree-ssa.c (useless_type_conversion_p): Add handling for
90 scalar float and vector types. Only call the types_compatible_p
91 langhook for aggregate types as last resort. Follow the
92 rules.
93
94 2007-07-04 Richard Guenther <rguenther@suse.de>
95
96 * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
97 the same as NOP_EXPR.
98
99 2007-07-04 Nick Clifton <nickc@redhat.com>
100
101 * target.h (struct gcc_target): Add target_help field.
102 * target-def.h (TARGET_HELP): New.
103 (TARGET_INITIALIZER): Use TARGET_HELP.
104 * opts.c (command_handle_option): Invoke target_help function, if
105 defined, when the user has specified --target-help on the command
106 line.
107 * doc/invoke.texi: Mention that --target-help might print
108 additional information.
109 * doc/tm.texi: Document TARGET_HELP hook.
110
111 * arm.c (TARGET_HELP): Override default definition.
112 (arm_target_help): New - display a wrapped list of cores and
113 architectures supported.
114
115 2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
116
117 * config/gcc/v850/v850.c (expand_prologue): Make sure
118 GEN_INT() argument is sign extended rather than zero extended.
119 (expand_epilogue): Likewise.
120 (output_move_double): Delete.
121 * config/gcc/v850/v850-protos.h (output_move_double): Delete.
122 * config/gcc/v850/v850.md (movdi): Delete.
123 (*movdi_internal): Delete.
124 (movdf): Delete.
125 (*movdf_internal): Delete.
126
127 2007-07-04 Richard Sandiford <richard@codesourcery.com>
128
129 * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
130 unless compiling RTP PIC.
131
132 2007-07-04 Richard Guenther <rguenther@suse.de>
133
134 PR tree-optimization/32482
135 * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
136 original ssa name if we didn't find a shift expression.
137 Fix shift constant for bit zero test.
138
139 2007-07-04 Richard Sandiford <richard@codesourcery.com>
140
141 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
142
143 2007-07-04 Richard Sandiford <richard@codesourcery.com>
144
145 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
146 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
147 * config/arm/vxworks.h (ASM_SPEC): Delete.
148 (SUBTARGET_EXTRA_ASM_SPEC): Define.
149
150 2007-07-04 Sebastian Pop <sebpop@gmail.com>
151
152 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
153 (DDR_REVERSED_P): New.
154 * tree-data-ref.c (initialize_data_dependence_relation,
155 build_classic_dist_vector): Set DDR_REVERSED_P.
156
157 2007-07-04 Sebastian Pop <sebpop@gmail.com>
158
159 PR middle-end/32457
160 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
161 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
162 init_omega_for_ddr_1): Use non conservative number of iterations
163 estimations.
164 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
165 (analyze_siv_subscript): Remove FIXME and reinitialization of
166 last_conflicts to chrec_dont_know.
167 * testsuite/gfortran.dg/vect/pr32457.f90: New.
168
169 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
170
171 * tree.c (maybe_canonicalize_argtypes): Improve description.
172
173 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
174
175 * tree.c (maybe_canonicalize_argtypes): New.
176 (build_function_type): Set canonical type.
177 (build_method_type_directly): Ditto.
178 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
179 properly.
180
181 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
182
183 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
184 like PLUS_EXPR.
185 (rewrite_use_nonlinear_expr): Likewise.
186
187 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
188
189 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
190
191 2007-07-04 Ben Elliston <bje@au.ibm.com>
192
193 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
194 of this file.
195
196 * c-objc-common.c (c_types_compatible_p): Fix indentation.
197
198 * doc/tm.texi (Run-time Target): Capitalise "CPU".
199 (Exception Handling): Likewise.
200
201 2007-07-03 Jan Hubicka <jh@suse.cz>
202
203 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
204
205 2007-07-03 Eric Christopher <echristo@apple.com>
206
207 * doc/cppopts.texi: Add conflicting option note to -dM.
208 * doc/invoke.texi: Add note about possible conflicts with
209 -E for -dCHARS and note that -dM will not produce
210 any results if there is no machine dependent reorg.
211
212 2007-07-03 Geoffrey Keating <geoffk@apple.com>
213
214 * tree.h (DECL_ALIGN): Back out previous change.
215
216 2007-07-03 Joseph Myers <joseph@codesourcery.com>
217
218 * configure.ac: Test for .dtprelword support on MIPS.
219 * configure, config.in: Regenerate.
220 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
221 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
222
223 2007-07-03 Julian Brown <julian@codesourcery.com>
224
225 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
226 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
227 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
228 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
229 capability.
230 (all_fpus): Add FPUTYPE_VFP3.
231 (fp_model_for_fpu): Add VFPv3 field.
232 (arm_rtx_costs_1): Give cost to VFPv3 constants.
233 (vfp3_const_double_index): New function. Return integer index of
234 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
235 isn't suitable.
236 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
237 and argument represents a valid RTX for a VFPv3 constant.
238 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
239 two instructions.
240 (vfp_emit_fstmd): Similar, for fstmd.
241 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
242 constants, represented as integer indices.
243 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
244 VFP_REGNO_OK_FOR_DOUBLE macros.
245 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
246 (arm_file_start): Set float-abi attribute for VFPv3, and output
247 correct ".fpu" assembler directive.
248 (arm_dbx_register_numbering): Add FIXME.
249 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
250 (fputype): Add FPUTYPE_VFP3.
251 (FIXED_REGISTERS): Add 32 registers for D16-D31.
252 (CALL_USED_REGISTERS): Likewise.
253 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
254 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
255 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
256 (D7_VFP_REGNUM): New.
257 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
258 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
259 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
260 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
261 (REG_ALLOC_ORDER): Adjust for VFPv3.
262 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
263 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
264 VFP_LO_REGS, VFP_HI_REGS.
265 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
266 (IS_VFP_CLASS): Define macro.
267 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
268 IS_VFP_CLASS.
269 (REGISTER_MOVE_COST): Likewise.
270 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
271 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
272 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
273 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
274 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
275 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
276 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
277 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
278 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
279 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
280 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
281 where appropriate for single-word registers.
282 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
283 As above. Fix type attributes.
284 * config/arm/constraints.md (register_contraint "t"): Define.
285 (register_constraint "w"): Change to D0-D15, or D0-D31 for
286 VFPv3/NEON.
287 (register_constraint "x"): Define.
288 (constraint "Dv"): Define.
289
290 2007-07-03 Geoffrey Keating <geoffk@apple.com>
291
292 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
293
294 2007-07-03 Tom Tromey <tromey@redhat.com>
295
296 * c-parser.c (objc_pq_context): Removed.
297 (objc_need_raw_identifier): Likewise.
298 (c_parser) <objc_pq_context>: New field.
299 <objc_need_raw_identifier>: Likewise.
300 (OBJC_NEED_RAW_IDENTIFIER): Removed.
301 (c_lex_one_token): Update.
302 (c_parser_objc_protocol_definition): Update.
303 (c_parser_objc_method_definition): Update.
304 (c_parser_objc_methodproto): Update.
305 (c_parser_declspecs): Update.
306
307 2007-07-03 David Ung <davidu@mips.com>
308
309 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
310
311 2007-07-03 David Ung <davidu@mips.com>
312 Richard Sandiford <richard@codesourcery.com>
313
314 * doc/invoke.texi: Document -march=74kf3_2.
315 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
316 (TUNE_74K): Check for it.
317 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
318 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
319 * config/mips/mips.md (cpu): Add 74kf3_2.
320 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
321 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
322 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
323 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
324 74kf3_2 to the CPU list.
325 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
326 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
327 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
328 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
329 (r74kf3_2_fxfer_from_c1): New insn reservations.
330
331 2007-07-03 Richard Sandiford <richard@codesourcery.com>
332 David Ung <davidu@mips.com>
333
334 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
335 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
336 and 74k[fx]. Document aliases for the new options.
337 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
338 (PROCESSOR_24KF2_1): ...this.
339 (PROCESSOR_24KX): Rename to...
340 (PROCESSOR_24KF1_1): ...this.
341 (PROCESSOR_74KF): Rename to...
342 (PROCESSOR_74KF2_1): ...this.
343 (PROCESSOR_74KX): Rename to...
344 (PROCESSOR_74KF1_1): ...this.
345 (TUNE_74K): Update PROCESSOR_* names.
346 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
347 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
348 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
349 (mips_rtx_cost_data): Update processor names in comments.
350 (mips_issue_rate): Update PROCESSOR_* names.
351 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
352 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
353 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
354 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
355 Update cpu attribute names.
356 (r24k_fpu_iss): Rename this reservation to...
357 (r24kf2_1_fpu_iss): ...this and update all uses.
358 (r24kx_fpu_iss): Rename this reservation to...
359 (r24kf1_1_fpu_iss): ...this and update all uses.
360 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
361 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
362 Update cpu attribute names.
363
364 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
365
366 * config/m32r/constraints.md: New file.
367 * config/m32r/m32r.c: Include tm-constrs.h.
368 (small_data_operand): Use satisfies_constraint_* instead of macro.
369 (addr24_operand, gen_compare): Likewise.
370 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
371 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
372 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
373 EXTRA_CONSTRAINT): Likewise.
374 * config/m32r/m32r.md: Include constraints.md.
375 (*movsi_insn): Use satisfies_constraint_* instead of macro.
376 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
377 * config/m32r/predicates.md (conditional_move_operand): Likewise.
378 (two_insn_const_operand, int8_operand, uint16_operand,
379 reg_or_int16_operand, reg_or_uint16_operand,
380 reg_or_cmp_int16_operand, cmp_int16_operand,
381 seth_add3_operand): Likewise.
382
383 2007-07-03 Eric Christopher <echristo@gmail.com>
384
385 * libgcc2.h: Conditionally declare __bswapsi2 and
386 __bswapdi2.
387
388 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
389
390 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
391 defined.
392
393 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
394
395 PR target/28307
396 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
397 (__gthrw_pragma): Provide default definition.
398 (__gthrw2): Use it.
399 * gthr-posix.c (__gthrw_pragma): Define.
400
401 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
402
403 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
404 before declaring inequality.
405
406 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
407
408 * combine.c (recog_for_combine): Log the success or failure of
409 matching new insn patterns against the machine description in
410 detailed dumps.
411
412 2007-07-03 Revital Eres <eres@il.ibm.com>
413
414 * ddg.c (print_sccs): New function.
415 (check_sccs): New function.
416 (create_ddg_all_sccs): Use it.
417 * ddg.h (print_sccs): Declare.
418 * modulo-sched.c (sms_order_nodes): Call print_sccs.
419
420 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
421
422 * targhooks.h (default_mode_for_suffix): New function declaration.
423 * targhooks.c (default_mode_for_suffix): New default target hook.
424 * target.h (struct c): New structure in the targetm struct.
425 (mode_for_suffix): New target hook as part of struct c.
426 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
427 default_mode_for_suffix.
428 (TARGET_C): New define.
429 * c-lex.c: Include "target.h".
430 (interpret_float): Use targetm.c.mode_for_suffix to determine
431 the mode for a given non-standard suffix.
432 Makefile.in (c-lex.o): Depend on $(TARGET_H).
433
434 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
435 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
436
437 * doc/extend.texi (Floating Types): New node. Document __float80 and
438 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
439
440 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
441
442 PR target/32506
443 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
444 predicate instead of target_operand.
445 (divsi3_i1_media, divsi3_media_2): Likewise.
446
447 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
448
449 * tree.h (alias_sets_might_conflict_p): Rename into
450 alias_sets_must_conflict_p.
451 * alias.c (alias_sets_might_conflict_p): Likewise.
452 (alias_sets_conflict_p): Use it.
453 (objects_must_conflict_p): Likewise.
454 * c-common.c (strict_aliasing_warning): Adjust.
455
456 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
457
458 * rtlhooks.c (gen_lowpart_if_possible): Check for
459 invalid subreg before calling gen_lowpart_SUBREG.
460
461 2007-07-02 Geoffrey Keating <geoffk@apple.com>
462
463 * config/darwin9.h: Add copyright notice.
464 (LINK_COMMAND_SPEC): Add comment.
465 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
466 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
467 DARWIN_LIBSYSTEM_HAS_UNWIND.
468
469 2007-07-02 Jakub Jelinek <jakub@redhat.com>
470
471 PR libgomp/32468
472 * omp-low.c (check_combined_parallel): New function.
473 (lower_omp_parallel): Call it via walk_stmts, set
474 OMP_PARALLEL_COMBINED if appropriate.
475 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
476 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
477 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
478 don't consider it as combined parallel.
479
480 2007-07-02 Richard Sandiford <richard@codesourcery.com>
481
482 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
483 (gcc_tooldir): Likewise.
484 * configure: Regenerate.
485 * Makefile.in (libsubdir_to_prefix): New variable, based on the
486 old configure.ac gcc_tooldir setting.
487 (prefix_to_exec_prefix): New variable.
488 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
489 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
490
491 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
492
493 Fix PR tree-optimization/32583
494 Fix PR tree-optimization/32584
495 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
496 (phi_translate_set): Use phi_translate directly now.
497 (make_values_for_stmt): Don't value number RHS if we already know
498 it is constant.
499
500 2007-07-02 Steve Ellcey <sje@cup.hp.com>
501 Jim Wilson <wilson@specifix.com>
502
503 PR target/31684
504 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
505 copy_insn.
506
507 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
508 Richard Sandiford <richard@codesourcery.com>
509 Nigel Stephens <nigel@mips.com>
510
511 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
512 (mips16e_output_save_restore): Declare.
513 (mips16e_save_restore_pattern_p): Likewise.
514 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
515 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
516 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
517 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
518 (BITSET_P): New global macro, extracted from...
519 (mips_for_each_saved_reg): ...here.
520 (mips16e_save_restore_info): New struct.
521 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
522 (mips16e_save_restore_regs): New variable.
523 (mips_split_plus, mips16e_find_first_register): New functions.
524 (mips16e_mask_registers): New function.
525 (compute_frame_size): Expand the commentary before the function.
526 Enforce the MIPS16e save and restore register range restrictions.
527 Pad the general register save area at the low end.
528 (mips16e_save_restore_reg, mips16e_build_save_restore)
529 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
530 (mips16e_output_save_restore, mips16e_collect_propagate_value)
531 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
532 New functions.
533 (mips_expand_prologue, mips_expand_epilogue): Handle
534 GENERATE_MIPS16E_SAVE_RESTORE.
535 * config/mips/mips.md (*mips16e_save_restore): New pattern.
536
537 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
538
539 PR tree-optimization/31966
540 PR tree-optimization/32533
541 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
542 "basic_block" description as its third argument. Update function
543 calls to get destination bb from "edge" argument. Save "cond" into
544 aux field of the edge. Update prototype for changed arguments.
545 (if_convertible_loop_p): Clear aux field of incoming edges if bb
546 contains phi node.
547 (find_phi_replacement_condition): Operate on incoming edges, not
548 on predecessor blocks. If there is a condition saved in the
549 incoming edge aux field, AND it with incoming bb predicate.
550 Return source bb of the first edge.
551 (clean_predicate_lists): Clean aux field of outgoing node edges.
552 (tree_if_conversion): Do not initialize cond variable. Move
553 variable declaration into the loop.
554 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
555 initializations of new_stmt, arg0 and arg1 variables.
556
557 2007-07-02 Jakub Jelinek <jakub@redhat.com>
558
559 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
560 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
561
562 2007-07-02 Richard Guenther <rguenther@suse.de>
563
564 * tree-ssa.c (useless_type_conversion_p): Document
565 future intent as defining the middle-end type system.
566 Re-structure to call langhook last, group by type class,
567 mark questionable parts.
568
569 2007-07-02 Richard Guenther <rguenther@suse.de>
570
571 * tree-flow.h (types_compatible_p): Declare.
572 * tree-ssa.c (types_compatible_p): New function.
573 * ipa-type-escape.c (discover_unique_type): Use
574 types_compatible_p instead of lang_hooks.types_compatible_p.
575 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
576 * tree-vn.c (expressions_equal_p): Likewise.
577 * tree.c (fields_compatible_p): Likewise.
578 * tree-ssa-dom.c (avail_expr_eq): Likewise.
579 (cprop_operand): Use useless_type_conversion_p instead of
580 lang_hooks.types_compatible_p.
581 * tree-inline.c (setup_one_parameter): Likewise.
582 (declare_return_variable): Likewise.
583 * tree-nrv.c (tree_nrv): Likewise.
584 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
585 (maybe_fold_offset_to_component_ref): Likewise.
586 (maybe_fold_offset_to_reference): Likewise.
587 * tree-ssa-copy.c (may_propagate_copy): Likewise.
588 (merge_alias_info): Likewise.
589 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
590 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
591 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
592 * tree-tailcall.c (find_tail_calls): Likewise.
593 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
594 * gimplify.c (canonicalize_addr_expr): Likewise.
595 (fold_indirect_ref_rhs): Likewise.
596 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
597 (cpt_same_type): Likewise.
598 (check_pointer_types_r): Swap parameters to cpt_same_type
599 where appropriate.
600 * fold-const.c (fold_convert): Revert fix for PR15988.
601 * tree-inline.c (setup_one_parameter): Instead fix it here by
602 using fold_build1 instead of fold_convert and checking for
603 error_mark_node. Convert only if the conversion is necessary.
604
605 2007-07-02 Joseph Myers <joseph@codesourcery.com>
606
607 * configure.ac: Check for .gnu_attribute on Power.
608 * configure: Regenerate.
609 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
610 attribute for floating-point ABI.
611
612 2007-07-02 Ira Rosen <irar@il.ibm.com>
613
614 PR tree-optimization/32230
615 PR tree-optimization/32477
616 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
617 address is a constant.
618
619 2007-07-02 Richard Sandiford <richard@codesourcery.com>
620
621 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
622 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
623 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
624 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
625 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
626 64-bit targets. Add support for *-elfoabi*.
627 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
628 different settings if $(tm_defines) does not select the EABI.
629 (MULTILIB_EXCLUSIONS): Define in those circumstances.
630 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
631 (MIPS_ARCH_OPTION_SPEC): Likewise.
632 (MIPS_ISA_LEVEL_SPEC): Likewise.
633 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
634 * config/mips/elfoabi.h: New file.
635
636 2007-07-02 Richard Guenther <rguenther@suse.de>
637
638 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
639 (useless_type_conversion_p): ... this.
640 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
641 (useless_type_conversion_p): ... this.
642 * builtins.c (fold_builtin_memory_op): Rename
643 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
644 * tree-cfg.c (verify_expr): Likewise.
645 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
646 * tree-ssa-ccp.c (ccp_fold): Likewise.
647 * tree-ssa-copy.c (may_propagate_copy): Likewise.
648 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
649 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
650 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
651 * tree-ssa-pre.c (eliminate): Likewise.
652 * tree-ssa.c (delete_tree_ssa): Likewise.
653 (tree_ssa_useless_type_conversion): Likewise.
654 * tree.c (build2_stat): Likewise.
655
656 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
657
658 Fix PR tree-optimization/32571
659 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
660 simplifying them.
661
662 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
663
664 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
665 and other expected operations explicitly, change default to
666 gcc_unreachable.
667
668 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
669
670 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
671 PARALLEL.
672 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
673 (tls_load_dot_plus_eight): Move the label number into the unspec.
674 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
675
676 2007-07-01 Andreas Schwab <schwab@suse.de>
677
678 * dwarf2out.c (initial_return_save): Define only if used.
679
680 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
681
682 Unreverting Richard's Revert of:
683
684 2007-06-27 Richard Sandiford <richard@codesourcery.com>
685
686 * dce.c (deletable_insn_p_1): New function, split out from...
687 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
688 specially, not those inside PARALLELs. Remove BODY argument
689 and adjust recursive call accordingly.
690 (prescan_insns_for_dce): Update call to delete_insn_p.
691
692 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
693 Revital Eres <eres@il.ibm.com>
694
695 * ddg.c (create_ddg_all_sccs): Fix missed
696 initialization of scc_nodes.
697
698 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
699
700 PR middle-end/32559
701 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
702 X + ~X to 1 only for INTEGRAL_TYPE_P type.
703
704 2007-06-30 Joseph Myers <joseph@codesourcery.com>
705
706 * configure.ac: Check for .gnu_attribute on MIPS.
707 * configure, config.in: Regenerate.
708 * config/mips/mips.c (mips_file_start): If supported, output
709 attribute for floating-point ABI.
710
711 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
712
713 PR target/32433
714 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
715 (ffs_cmove): New expander to expand using ctz pattern.
716 (*ffs_cmove): Remove pattern.
717 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
718 (ffsdi2): Expand using ctz pattern.
719 (*ffs_rex64): Remove pattern.
720
721 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
722
723 PR rtl-optimization/32296
724 * pa.md (return): Delete pattern.
725 (return_internal): Remove "(const_int 1)" from pattern.
726 (epilogue): Use return_internal pattern for trivial returns.
727 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
728 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
729
730 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
731
732 * tree-ssa-pre.c (is_exception_related): New function
733 (can_value_number_operation): Use it.
734
735 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
736
737 Fix PR tree-optimization/32540
738 Fix PR tree-optimization/31651
739
740 * tree-ssa-sccvn.c: New file.
741
742 * tree-ssa-sccvn.h: Ditto.
743
744 * tree-vn.c: Include tree-ssa-sccvn.h
745 (val_expr_paid_d): Removed.
746 (value_table): Ditto.
747 (vn_compute): Ditto.
748 (val_expr_pair_hash): Ditto.
749 (val_expr_pair_expr_eq): Ditto.
750 (copy_vuses_from_stmt): Ditto.
751 (vn_delete): Ditto.
752 (vn_init): Ditto.
753 (shared_vuses_from_stmt): Ditto.
754 (print_creation_to_file): Moved up.
755 (sort_vuses): Ditto.
756 (sort_vuses_heap): Ditto.
757 (set_value_handle): Make non-static.
758 (make_value_handle): Ditto.
759 (vn_add): Rewritten to use sccvn lookups.
760 (vn_add_with_vuses): Ditto.
761 (vn_lookup): Ditto (and second argument removed).
762 (vn_lookup_with_vuses): Ditto.
763 (vn_lookup_or_add): Ditto (and second argument removed);
764 (vn_lookup_or_add_with_vuses): Ditto.
765 (vn_lookup_with_stmt): New.
766 (vn_lookup_or_add_with_stmt): Ditto.
767 (create_value_handle_for_expr): Ditto.
768
769 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
770 (seen_during_translate): New function.
771 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
772 (phi_trans_add): Ditto.
773 (constant_expr_p): FIELD_DECL is always constant.
774 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
775 Use constant_expr_p.
776 Avoid infinite recursion on mutually valued expressions.
777 Change callers of vn_lookup_or_add.
778 (phi_translate): New function.
779 (compute_antic_safe): Allow phi nodes.
780 (create_component_ref_by_pieces): Update for FIELD_DECL change.
781 (find_or_generate_expression): Rewrite slightly.
782 (create_expression_by_pieces): Updated for vn_lookup_or_add
783 change.
784 Update VN_INFO for new names.
785 (insert_into_preds_of_block): Update for new names.
786 (add_to_exp_gen): New function.
787 (add_to_sets): Use vn_lookup_or_add_with_stmt.
788 (find_existing_value_expr): Rewrite to changed vn_lookup.
789 (create_value_expr_from): Ditto, and use add_to_exp_gen.
790 (try_look_through_load): Removed.
791 (try_combine_conversion): Ditto.
792 (get_sccvn_value): New function.
793 (make_values_for_phi): Ditto.
794 (make_values_for_stmt): Ditto.
795 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
796 SCCVN.
797 (init_pre): Update for SCCVN changes.
798 (fini_pre): Ditto.
799 (execute_pre): Ditto.
800
801 * tree-flow.h (make_value_handle): Declare.
802 (set_value_handle): Ditto.
803 (sort_vuses_heap): Ditto.
804 (vn_lookup_or_add_with_stmt): Ditto.
805 (vn_lookup_with_stmt): Ditto.
806 (vn_compute): Remove.
807 (vn_init): Ditto.
808 (vn_delete): Ditto.
809 (vn_lookup): Update arguments.
810
811 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
812 (tree-vn.o): Ditto.
813 (tree-ssa-sccvn.o): New.
814 (OBJS-common): Add tree-ssa-sccvn.o
815
816 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
817
818 PR c/4076
819 * c-typeck.c (build_external_ref): Don't mark as used if called
820 from itself.
821 * calls.c (rtx_for_function_call): Likewise.
822
823 2007-06-30 Richard Sandiford <richard@codesourcery.com>
824
825 Revert:
826
827 2007-06-27 Richard Sandiford <richard@codesourcery.com>
828
829 * dce.c (deletable_insn_p_1): New function, split out from...
830 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
831 specially, not those inside PARALLELs. Remove BODY argument
832 and adjust recursive call accordingly.
833 (prescan_insns_for_dce): Update call to delete_insn_p.
834
835 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
836
837 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
838 (try_combine): Move potential calls to undo_all() so they happen
839 before we commit to using the combined insns.
840
841 2006-06-30 Jan Hubicka <jh@suse.cz>
842
843 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
844 code.
845
846 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
847
848 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
849 (cgraph_remove_unreachable_nodes): Likewise.
850 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
851 * ipa-inline.c (update_caller_keys): Cast according to the coding
852 conventions.
853 (cgraph_decide_recursive_inlining): Likewise.
854 (cgraph_decide_inlining_of_small_function): Likewise.
855 (try_inline): Likewise.
856 (cgraph_decide_inlining_incrementally): Likewise.
857 * ipa-pure-const.c (get_function_state): Likewise.
858 (scan_function): Likewise.
859 (analyze_function): Likewise.
860 (static_execute): Likewise.
861 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
862 (merge_callee_local_info): Likewise.
863 (analyze_function): Use type safe memory macros.
864 (static_execute): Likewise. Cast according to the coding conventions.
865 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
866 conventions.
867 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
868 names.
869 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
870 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
871 variable names.
872
873 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
874
875 PR middle-end/30024
876 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
877 for complex modes (both int and real).
878
879 2007-06-29 Jan Hubicka <jh@suse.cz>
880
881 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
882
883 2007-06-29 Jan Hubicka <jh@suse.cz>
884
885 PR middle-end/32372
886 * cse.c (cse_insn): Avoid invalid sharing in between register note and
887 the insn pattern.
888
889 2007-06-29 Anatoly Sokolov <aesok@post.ru>
890
891 PR target/32335
892 * config/avr/avr.c: Include dataflow header file.
893 (expand_prologue): Adjust for prologue insn change.
894 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
895 inside a insn.
896
897 2007-06-29 Richard Guenther <rguenther@suse.de>
898
899 PR middle-end/32493
900 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
901 during type verification.
902
903 2007-06-29 Jan Hubicka <jh@suse.cz>
904
905 * recog.c (validate_change_rtx_1): Unshare TO argument.
906
907 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
908
909 PR tree-optimization/24659
910 * tree-vect-transform.c (vectorizable_call): Handle
911 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
912
913 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
914 * config/i386/i386.c (enum ix86_builtins)
915 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
916 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
917 description.
918 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
919 const using def_builtin_const.
920 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
921 input operands in the same modes as the result.
922 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
923
924 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
925
926 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
927 (df_set_dead_notes_for_mw): Likewise.
928
929 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
930
931 * c-common.c (pointer_int_sum): Do the negation in sizetype.
932
933 2007-06-28 DJ Delorie <dj@redhat.com>
934
935 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
936
937 2007-06-28 Geoffrey Keating <geoffk@apple.com>
938
939 * doc/invoke.texi (C++ Dialect Options): Document
940 fvisibility-ms-compat.
941 * c.opt (fvisibility-ms-compat): New.
942
943 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
944
945 PR tree-opt/32417
946 * tree-affine.c (aff_combination_add_elt): Handle
947 pointer addition specially.
948
949 2007-06-28 Jakub Jelinek <jakub@redhat.com>
950
951 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
952 decl is non-external for AIX ABI.
953
954 2007-06-28 David Edelsohn <edelsohn@gnu.org>
955
956 * config/rs6000/predicates.md (current_file_function_operand):
957 Ensure the symbol is non-external for AIX ABI.
958
959 2007-06-28 Nick Clifton <nickc@redhat.com>
960
961 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
962 (fdce, fdse, fpredictive-commoning): Likewise.
963
964 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
965
966 PR other/31400
967 * gcc.c (process_command): Recognize the new -static-libgfortran
968 option.
969
970 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
971
972 PR target/32418
973 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
974 Use a call clobbered hard reg instead of a pseudo reg.
975
976 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
977
978 * config/sh/sh.md (load_gbr): Use correct operand constraint.
979
980 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
981
982 PR target/32479
983 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
984 REG_LIBCALL and REG_RETVAL notes.
985 (divsi3, mulsi3): Likewise.
986 (mulhisi3): Likewise. Use emit_libcall_block.
987 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
988
989 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
990
991 PR rtl-optimization/32481
992 * combine.c (adjust_for_new_dest): Rescan the changed insn.
993
994 2007-06-27 Richard Sandiford <richard@codesourcery.com>
995
996 * dce.c (deletable_insn_p_1): New function, split out from...
997 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
998 specially, not those inside PARALLELs. Remove BODY argument
999 and adjust recursive call accordingly.
1000 (prescan_insns_for_dce): Update call to delete_insn_p.
1001
1002 2007-06-27 Richard Guenther <rguenther@suse.de>
1003
1004 PR middle-end/32492
1005 * tree.h (fold_convertible_p): Declare.
1006 * fold-const.c (fold_convertible_p): New function.
1007 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
1008 instead of lang_hooks.types_compatible_p.
1009
1010 2007-06-26 Jan Hubicka <jh@suse.cz>
1011
1012 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
1013 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
1014 early use validate_unshare_change.
1015 (reload_combine): Likewise.
1016 * recog.c (change_t): New field unshare.
1017 (validate_change_1): Rename from validate_change; add argument unshare.
1018 (validate_change): Turn into wrapper of validate_change_1; update
1019 prototype for bools.
1020 (validate_unshare_change): New.
1021 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
1022 calls of df_insn_rescan.
1023 * recog.h (validate_change): Replace ints by bools.
1024 (validate_unshare_change): Declare.
1025
1026 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1027
1028 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
1029
1030 2007-06-26 Steve Ellcey <sje@cup.hp.com>
1031
1032 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
1033
1034 2007-06-25 Jan Hubicka <jh@suse.cz>
1035
1036 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
1037 uninlinable call.
1038 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
1039 cgraph_decide_inlining_incrementally): Move uninlinability checks to
1040 places other call site specific checks are performed.
1041
1042 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1043
1044 PR tree-opt/32421
1045 * tree-vect-transform.c (vectorizable_operation): Convert
1046 POINTER_PLUS_EXPR over to PLUS_EXPR.
1047
1048 2007-06-25 Chao-ying Fu <fu@mips.com>
1049
1050 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
1051 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
1052 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
1053 Document GET_MODE_IBIT, and GET_MODE_FBIT.
1054
1055 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
1056 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1057 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
1058 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
1059 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
1060 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
1061 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
1062 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
1063 ALL_FIXED_POINT_MODE_P): New define.
1064 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1065 MODE_UACCUM.
1066 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
1067
1068 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
1069 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1070 MODE_VECTOR_UACCUM): New mode classes.
1071
1072 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
1073 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
1074 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
1075 USA, UDA, and UTA.
1076
1077 * genmodes.c (struct mode_data): Add ibit and fbit fields.
1078 (blank_mode): Initialize ibit and fbit.
1079 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
1080 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
1081 (new_adjust): Change required_class to required_class_from and
1082 required_class_to for testing within a range.
1083 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1084 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1085 MODE_VECTOR_UACCUM.
1086 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
1087 (make_fixed_point_mode): New.
1088 (_ADD_ADJUST): Change C to C1 and C2.
1089 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
1090 use a range for machine classes.
1091 (ADJUST_IBIT, ADJUST_FBIT): New.
1092 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
1093 CONST_MODE_FBIT.
1094 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
1095 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1096 Emit adjustment for ibit and fbit.
1097 (emit_mode_ibit, emit_mode_fbit): New.
1098 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
1099
1100 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
1101
1102 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
1103 as the source of the set.
1104
1105 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
1106
1107 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
1108 FP_REGNO_P): Use IN_RANGE.
1109 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
1110 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
1111 (DATA_REG_P): Use DATA_REGNO_P.
1112 (FP_REG_P): Use FP_REGNO_P.
1113 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
1114 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
1115 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
1116
1117 2007-06-24 Jan Hubicka <jh@suse.cz>
1118
1119 PR middle-end/30563
1120 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
1121
1122 2007-06-24 Sebastian Pop <sebpop@gmail.com>
1123
1124 PR middle-end/32461
1125 * fold-const.c (fold_binary): Strip nops of operand 0
1126 of BIT_NOT_EXPR before calling operand_equal_p.
1127 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
1128 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
1129
1130 2007-06-23 Mark Mitchell <mark@codesourcery.com>
1131
1132 * doc/extend.texi: Document that dllimport and dllexport imply
1133 default visibility.
1134 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
1135 imported or exported declaration, including type declarations.
1136 * c-common.c (handle_visibility_attribute): Check for conflicts
1137 with dllimport/dllexport.
1138 (c_determine_visibility): Handle dllimport/dllexport as an
1139 explicit visibility atttribute.
1140
1141 2007-06-23 Richard Guenther <rguenther@suse.de>
1142
1143 PR tree-optimization/16876
1144 PR middle-end/29478
1145 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1146 for CALL_EXPRs.
1147 * tree-inline.c (initialize_inlined_parameters): Do not call
1148 lang_hooks.tree_inlining.convert_parm_for_inlining.
1149 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1150 reason for mismatched types.
1151 * gimplify.c (gimplify_call_expr): Verify the call expression
1152 arguments match the called function type signature. Otherwise
1153 mark the call expression to be not considered for inlining
1154 using CALL_CANNOT_INLINE_P flag.
1155 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1156 edges call expression.
1157 (cgraph_decide_inlining_of_small_function): Likewise.
1158 (cgraph_decide_inlining): Likewise.
1159 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1160 Remove define.
1161 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1162 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1163 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1164 Remove declaration.
1165 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1166 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1167 Remove.
1168 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1169 convert_parm_for_inlining member.
1170
1171 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1172
1173 PR target/31152
1174 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1175 Remove optimization for GT.
1176
1177 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1178
1179 PR middle-end/32437
1180 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1181 is a PARALLEL.
1182 (prescan_insns_for_dce): Add extra parameter.
1183
1184 2007-06-23 Jan Hubicka <jh@suse.cz>
1185
1186 PR middle-end/31541
1187 * gimplify.c (mark_addressable): New function.
1188 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1189
1190 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1191
1192 PR middle-end/32374
1193 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1194
1195 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1196
1197 PR target/32413
1198 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1199 moves between MMX/SSE registers to at least 8 units to prevent
1200 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1201
1202 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1203
1204 * config/i386/i386.c (override_options): Correct x86_sahf
1205 setting condition.
1206
1207 2007-06-21 David Daney <ddaney@avtrex.com>
1208
1209 PR target/32406
1210 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1211 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1212 (exception_receiver): Renamed to ...
1213 (nonlocal_goto_receiver): ... this.
1214
1215 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1216
1217 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1218 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1219 partial register accesses.
1220
1221 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1222
1223 * fold-const.c (debug_fold_checksum): Move it under
1224 ENABLE_FOLD_CHECKING.
1225
1226 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1227
1228 PR middle-end/20623
1229 * tree.h (debug_fold_checksum): Declared.
1230 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1231 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1232 build_fold_addr_expr_with_type_1.
1233 (fold_addr_expr, debug_fold_checksum): New.
1234 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1235 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1236 Use fold_addr_expr.
1237
1238 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1239
1240 PR tree-optimization/19590
1241 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1242 of scev is a constant.
1243 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1244
1245 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1246
1247 * df-problems.c (df_note_bb_compute): Made computation of live
1248 info consistent with df_lr.
1249
1250 2007-06-21 Richard Guenther <rguenther@suse.de>
1251
1252 PR tree-optimization/32453
1253 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1254 for pointer anti-range.
1255
1256 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1257
1258 * config/i386/i386.c (processor_target_table): Increase maximum
1259 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1260 default 64bit.
1261
1262 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1263 byte alignment if > 8 byte alignment is preferred.
1264 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1265
1266 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1267
1268 PR tree-optimization/31866
1269 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1270 if ASM_EXPR's input is not a SSA_NAME.
1271
1272 PR middle-end/32362
1273 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1274 but decl is a global var, instead return decl.
1275 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1276 even for is_global_var decls, if they are private in some outer
1277 context.
1278
1279 2007-06-21 Richard Guenther <rguenther@suse.de>
1280
1281 PR tree-optimization/32451
1282 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1283
1284 2007-06-21 Christian Bruel <christian.bruel@st.com>
1285
1286 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1287 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1288 (push_regs): Changed saving order or banked registers.
1289 (sh_expand_epilogue): Likewise.
1290 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1291 (FIRST_BANKED_REG): Likewise.
1292 (LAST_BANKED_REG): Likewise.
1293 * config/sh/sh.md (banked) New attribute.
1294 (in_delay_slot): Check banked attribute.
1295
1296 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1297
1298 PR tree-optimization/32075
1299 * tree-data-ref.c (subscript_dependence_tester_1,
1300 analyze_miv_subscript, analyze_overlapping_iterations,
1301 add_distance_for_zero_overlaps, build_classic_dist_vector,
1302 subscript_dependence_tester_1, analyze_overlapping_iterations,
1303 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1304 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1305 to evolution_function_is_affine_multivariate_p.
1306
1307 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1308
1309 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1310
1311 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1312
1313 PR target/32335
1314 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1315 for TARGET_A16.
1316 * config/m32c/prologue.md (epilogue_exitd_16): New.
1317 (epilogue_reit_16): New.
1318 (epilogue_exitd): Rename to epilogue_exitd_24.
1319 (epilogue_reit): Rename to epilogue_reit_24.
1320
1321 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1322 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1323
1324 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1325 New counters.
1326 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1327 if dbg_cnt (sched_insn) reaches the limit.
1328 (choose_ready): New parameter INSN_PTR and new return value.
1329 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1330 the new return value from choose_ready.
1331 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1332 (rest_of_handle_global_alloc): New global_alloc_at_func.
1333
1334 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1335
1336 PR tree-optimization/25737
1337 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1338 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1339 * tree-flow.h (struct fieldoff): Add new field alias_set.
1340 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1341 argument addressable_type. Set alias_set of fieldoff.
1342 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1343 (create_overlap_variables_for): Pass alias_set from fieldoff to
1344 create_sft.
1345 * alias.c (get_alias_set): Use alias_set from SFT if set.
1346
1347 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1348
1349 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1350 of a variable as an unsigned HOST_WIDE_INT integer.
1351
1352 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1353
1354 PR rtl-optimization/32405
1355 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1356
1357 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1358
1359 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1360
1361 PR middle-end/31959
1362 * builtins.c: Include diagnostic.h.
1363 (expand_builtin_expect): Make gcc_assert more permissive.
1364 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1365
1366 PR inline-asm/32109
1367 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1368 and !allows_mem.
1369
1370 PR middle-end/32285
1371 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1372 if ACCUMULATE_OUTGOING_ARGS.
1373
1374 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1375
1376 * config/m68hc11/m68hc11.c: Include dataflow header file.
1377 (m68hc11_reorg): Port to dataflow.
1378
1379 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1380
1381 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
1382 (struct df_problem.free_blocks_on_set_blocks): New field.
1383 (struct dataflow.optional_p): New field.
1384 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1385 (df_live_set_all_dirty): New function.
1386 * df-scan.c (df_scan_alloc): Initialize optional_p.
1387 (problem_SCAN): Initialize free_blocks_on_set_blocks.
1388 * df-core.c (df_set_blocks): Removed use of
1389 DF_FIRST_OPTIONAL_PROBLEM. Now uses
1390 df_problem.free_blocks_on_set_blocks to determine which blocks are
1391 recycled.
1392 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
1393 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
1394 uses dataflow.optional_p to determine if problem should be
1395 deleted.
1396 (rest_of_handle_df_initialize): Only start live problem if
1397 -02 or above.
1398 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1399 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
1400 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
1401 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
1402 problem_NOTE): Initialize free_blocks_on_set_blocks.
1403 (df_lr_bb_local_compute): Recompute luids if df_live problem is
1404 not active.
1405 (df_live_set_all_dirty, df_note_alloc): New function.
1406 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
1407 df_get_live_*.
1408 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
1409 * postreload.c (reload_combine): Ditto.
1410 * cse.c (cse_extended_basic_block): Ditto.
1411 * regmove.c (mark_flags_life_zones): Ditto.
1412 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
1413 erase_matching_seqs): Ditto.
1414 * bt-load.c (compute_defs_uses_and_gen): Ditto.
1415 * integrate (allocate_initial_values): Ditto.
1416 * combine.c (reg_dead_at_p): Ditto.
1417 * resource.c (mark_target_live_regs): Ditto.
1418 * sched-rgn.c (check_live_1, update_live_1): Ditto.
1419 * config/sh/sh.c (find_r0_life_regions): Ditto.
1420 * global.c (rest_of_handle_global_alloc): Only add back df_live
1421 for -O > 1.
1422 * local-alloc.c (rest_of_handle_local_alloc): Only remove
1423 df_live for -O > 1.
1424 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
1425 df_get_live_*.
1426 (if_convert): Make sure df_live is there at -O == 1.
1427 (pass_if_after_combine): Cleanup flags.
1428 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
1429 is there at -O == 1.
1430
1431 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
1432
1433 * config/arm/arm.c (arm_get_frame_offsets): Set
1434 offsets->locals_base to avoid negative stack size.
1435 (thumb1_expand_prologue): Assert on negative stack size.
1436
1437 2007-04-19 Sebastian Pop <sebpop@gmail.com>
1438
1439 PR tree-optimization/32367
1440 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
1441 of the chrec has no evolution in that loop.
1442 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
1443
1444 2007-06-19 Bob Wilson <bob.wilson@acm.org>
1445
1446 * config/xtensa/xtensa.c: Include "df.h".
1447 (xtensa_builtin_saveregs): Use adjust_address instead of change_address.
1448 (xtensa_va_start): Invoke make_tree with sizetype for
1449 expand_builtin_saveregs and then convert the result to a pointer.
1450 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
1451 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
1452 Subtract argument size from index value as integers and then use
1453 POINTER_PLUS_EXPR to add the result to the array address.
1454
1455 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1456
1457 PR target/32335
1458 * config/m32c/m32c.c: Include dataflow header file.
1459 (m32c_emit_prologue): Adjust for prologue insn change.
1460 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
1461 once inside a PARALLEL. Assume frame size passed in operand 0
1462 includes space to save the fb register.
1463 (prologue_enter_24): Likewise.
1464 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
1465
1466 2007-06-19 David Daney <ddaney@avtrex.com
1467
1468 PR target/32313
1469 * config/mips/mips.md (cprestore): Mark $gp as used.
1470
1471 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1472
1473 PR target/32369
1474 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
1475 (frv_ifcvt_modify_insn): Likewise.
1476
1477 2007-06-19 Richard Guenther <rguenther@suse.de>
1478
1479 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
1480 only handle positive offsets that fit in a HOST_WIDE_INT.
1481
1482 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
1483
1484 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
1485 result of rsqrt insn for zero input argument to avoid NaN.
1486
1487 2007-06-19 Richard Guenther <rguenther@suse.de>
1488
1489 PR middle-end/31950
1490 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
1491
1492 2007-06-19 Jakub Jelinek <jakub@redhat.com>
1493
1494 PR tree-optimization/32353
1495 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
1496
1497 2007-06-19 Nick Clifton <nickc@redhat.com>
1498
1499 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
1500
1501 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1502
1503 PR target/32389
1504 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
1505 * config/i386/i386.c (assign_386_stack_local): Assert that
1506 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
1507 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
1508 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
1509 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
1510
1511 2007-06-18 Steve Ellcey <sje@cup.hp.com>
1512
1513 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
1514
1515 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
1516
1517 PR rtl-optimization/32321
1518 * gcse.c (replace_store_insn): Update the note before
1519 calling emit_insn_after.
1520
1521 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1522
1523 PR middle-end/32355
1524 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
1525 cse_main.
1526 * df-problems.c (df_note_bb_compute): Fix dumping info.
1527
1528 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
1529
1530 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
1531 insn with emit_jump_insn.
1532
1533 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1534
1535 PR tree-optimization/32383
1536 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
1537 * targhooks.h (default_builtin_reciprocal): Update prototype.
1538 * target.h (struct gcc_target): Update builtin_reciprocal.
1539 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
1540 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
1541 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
1542 when fndecl is in BUILT_IN_MD class.
1543 (execute_convert_to_rsqrt): Ditto.
1544
1545 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
1546 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
1547 Convert BUILT_IN_SQRTF code only when md_fn is false.
1548
1549 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
1550
1551 * bt-load.c (move_btr_def): Fix the order of arguments
1552 to validate_replace_rtx.
1553
1554 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
1555
1556 * config/m68k/m68k-devices.def: Add 54450..54455.
1557
1558 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
1559
1560 PR rtl-optimization/32366
1561 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
1562 FLOAT_EXTEND]: Prevent non-scalar modes from entering
1563 significand_size.
1564
1565 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
1566
1567 PR middle-end/32349
1568 * modulo-sched (generate_reg_moves): Added rescan parameter and if
1569 this is true, rescan insn being modified.
1570 (sms_schedule): Added rescan parameter.
1571 (rest_of_handle_sms): Moved freeing of dominance info to before
1572 getting out of cfg_layout.
1573
1574 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
1575
1576 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
1577 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
1578 appropriate.
1579
1580 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
1581 FL_CF_EMAC from the entry for isac.
1582
1583 * config/m68k/predicates.md (const_call_operand): Adjust comment.
1584 (const_sibcall_operand): New.
1585 (sibcall_operand): Use it.
1586 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
1587 (m68k_isas): ISAC does not imply FPU or EMAC.
1588 (override_options): Add ISA_C logic for symbolic jump & call.
1589
1590 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1591
1592 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
1593 return mode from the builtin itself.
1594 (sparc_fold_builtin): Fix cast of zero constant.
1595
1596 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1597
1598 * targhooks.c (default_builtin_reciprocal): New default target hook.
1599 * targhooks.h (default_builtin_reciprocal): Add prototype.
1600 * hooks.c (hook_tree_tree_bool_null): Remove hook.
1601 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
1602 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
1603 default_builtin_reciprocal.
1604
1605 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1606
1607 PR middle-end/31723
1608 * hooks.c (hook_tree_tree_bool_null): New hook.
1609 * hooks.h (hook_tree_tree_bool_null): Add prototype.
1610 * tree-pass.h (pass_convert_to_rsqrt): Declare.
1611 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
1612 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
1613 and convert it to reciprocal a*rfunc(b).
1614 (execute_convert_to_rsqrt): New function.
1615 (gate_convert_to_rsqrt): New function.
1616 (pass_convert_to_rsqrt): New pass definition.
1617 * target.h (struct gcc_target): Add builtin_reciprocal.
1618 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
1619 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
1620 TARGET_BUILTIN_RECIPROCAL.
1621 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
1622
1623 * config/i386/i386.h (TARGET_RECIP): New define.
1624 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
1625 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1626 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1627 and not optimizing for size.
1628 (*rcpsf2_sse): New insn pattern.
1629 (*rsqrtsf2_sse): Ditto.
1630 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
1631 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1632 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1633 and not optimizing for size.
1634 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
1635 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1636 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1637 and not optimizing for size.
1638 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
1639 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1640 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1641 and not optimizing for size.
1642 (*sse_rsqrtv4sf2): Do not export.
1643 (sqrtv4sf2): Ditto.
1644 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
1645 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1646 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1647 and not optimizing for size.
1648 (sqrtv4sf2): Ditto.
1649 * config/i386/i386.opt (mrecip): New option.
1650 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
1651 (ix86_emit_swsqrtsf): Ditto.
1652 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
1653 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
1654 builtin definition.
1655 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
1656 ix86_expand_unop1_builtin.
1657 (ix86_emit_swdivsf): New function.
1658 (ix86_emit_swsqrtsf): Ditto.
1659 (ix86_builtin_reciprocal): New function.
1660 (TARGET_BUILTIN_RECIPROCAL): Use it.
1661 (ix86_vectorize_builtin_conversion): Rename from
1662 ix86_builtin_conversion.
1663 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
1664 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
1665 "i386 and x86_64 Options" section.
1666 (Intel 386 and AMD x86_64 Options): Document -mrecip.
1667
1668 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1669 Zdenek Dvorak <dvorakz@suse.cz>
1670 Richard Guenther <rguenther@suse.de>
1671 Kaz Kojima <kkojima@gcc.gnu.org>
1672
1673 * tree-vrp.c (compare_values_warnv): Convert val2 to
1674 the type of val1.
1675 (extract_range_from_assert): Create
1676 POINTER_PLUS_EXPR for pointer types.
1677 (extract_range_from_binary_expr): Handle
1678 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
1679 for pointer types.
1680 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
1681 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
1682 POINTER_PLUS_EXPR as PLUS_EXPR.
1683 (number_of_iterations_lt_to_ne):
1684 For pointer types, use sizetype when
1685 creating MINUS_EXPR/PLUS_EXPRs.
1686 (assert_loop_rolls_lt): For pointer types, use sizetype when
1687 creating MINUS_EXPR/PLUS_EXPRs.
1688 (number_of_iterations_le): Likewise.
1689 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
1690 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
1691 like PLUS_EXPR and MINUS_EXPR.
1692 * tree-pretty-print.c (dump_generic_node): Handle
1693 POINTER_PLUS_EXPR.
1694 (op_prio): Likewise.
1695 (op_symbol_1): Likewise.
1696 * optabs.c (optab_for_tree_code): Likewise.
1697 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
1698 specially.
1699 * tree-tailcall.c (process_assignment): Mention
1700 POINTER_PLUS_EXPR in a TODO comment.
1701 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
1702 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
1703 not used with a pointer and an integer type.
1704 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
1705 increment using chrec_convert_rhs instead of chrec_convert.
1706 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
1707 PLUS_EXPR except for the right hand side's type will be
1708 sizetype.
1709 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
1710 (fold_used_pointer_cast): Kill.
1711 (pointer_offset_p): Kill.
1712 (fold_used_pointer): Kill.
1713 (pointer_used_p): Kill.
1714 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
1715 call fold_used_pointer.
1716 (instantiate_parameters_1): Convert the increment
1717 using chrec_convert_rhs instead of chrec_convert.
1718 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
1719 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
1720 instead of PLUS_EXPR.
1721 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
1722 PLUS_EXPR for pointers.
1723 (std_gimplify_va_arg_expr): Likewise.
1724 (fold_builtin_memory_op): Likewise.
1725 (fold_builtin_strstr): Likewise.
1726 (fold_builtin_strchr): Likewise.
1727 (fold_builtin_strrchr): Likewise.
1728 (fold_builtin_strpbrk): Likewise.
1729 (expand_builtin_memory_chk): Likewise.
1730 (fold_builtin_memory_chk): Likewise.
1731 (std_expand_builtin_va_start): Use
1732 sizetype for the call to make_tree and then convert
1733 to the pointer type.
1734 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
1735 instead of PLUS_EXPR for adding to a pointer.
1736 (std_gimplify_va_arg_expr): Use fold_build2 for
1737 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
1738 the operands to sizetype first and then cast the BIT_AND_EXPR
1739 back to the pointer type.
1740 * fold-const.c (build_range_check): Handle pointer types
1741 specially.
1742 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
1743 of PLUS_EXPR's. Make sure the offset is converted to
1744 sizetype.
1745 (try_move_mult_to_index): Strip the NOPs from the offset.
1746 Remove code argument and replace all uses with PLUS_EXPR.
1747 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
1748 specially. Don't use a pointer type for MINUS_EXPR.
1749 (fold_unary): Handle for (T1)(X op Y),
1750 only p+ as that is the only as that can be handled for
1751 binary operators now.
1752 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
1753 POINTER_PLUS_EXPR.
1754 <case PLUS_EXPR>: Add folding of PTR+INT into
1755 PTR p+ INT.
1756 Don't call try_move_mult_to_index.
1757 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
1758 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
1759 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
1760 Don't call try_move_mult_to_index.
1761 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
1762 (tree_expr_nonzero_p): Likewise.
1763 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
1764 of PLUS_EXPR for the complex expression folding.
1765 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
1766 first chrec is a pointer type, then the second should
1767 be sizetype and not the first's type.
1768 For POINTER_PLUS_EXPR, use a different right hand side type.
1769 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1770 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
1771 different right hand side type.
1772 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1773 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
1774 instead of PLUS_EXPR.
1775 When either operand is zero, convert the other operand.
1776 (chrec_apply): Use chrec_convert_rhs
1777 on the argument x instead of chrec_convert.
1778 (reset_evolution_in_loop): For pointer types, the new_evol
1779 should be sizetype.
1780 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
1781 different right hand side type.
1782 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1783 (chrec_convert_rhs): New function.
1784 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
1785 different right hand side type.
1786 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1787 * tree-chrec.h (chrec_convert_rhs): New prototype.
1788 (build_polynomial_chrec): For pointer types, the right hand
1789 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
1790 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
1791 Remove subtraction case as it is always addition now.
1792 Make sure the offset is converted to sizetype.
1793 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
1794 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
1795 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
1796 PLUS_EXPR in pointer type.
1797 Handle POINTER_PLUS_EXPR.
1798 (tree_to_aff_combination): Likewise.
1799 (force_expr_to_var_cost): Likewise.
1800 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
1801 instead of PLUS_EXPR for pointers.
1802 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
1803 instead of PLUS_EXPR of pointer types.
1804 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
1805 as PLUS_EXPR.
1806 (check_va_list_escapes): Likewise.
1807 (check_all_va_list_escapes): Likewise.
1808 * dwarf2out.c (loc_descriptor_from_tree_1):
1809 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
1810 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
1811 (string_constant): Likewise.
1812 * tree-ssa-address.c (tree_mem_ref_addr): When adding
1813 the offset to the base, use POINTER_PLUS_EXPR.
1814 (add_to_parts): Convert the index to sizetype.
1815 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
1816 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
1817 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
1818 Offset only holds something for PLUS_EXPR.
1819 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
1820 a PLUS_EXPR.
1821 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
1822 and not PLUS_EXPR.
1823 (analyze_accesses_for_modify_stmt): Likewise.
1824 Remove comment about the type being integral type as it is
1825 wrong now.
1826 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
1827 PLUS_EXPR.
1828 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
1829 and not PLUS_EXPR.
1830 Correct the type which the artimentic is done in (is now
1831 sizetype).
1832 Reindent one loop.
1833 * tree-data-ref.c (split_constant_offset): Handle
1834 POINTER_PLUS_EXPR
1835 * tree-affine.c (tree_to_aff_combination): Likewise.
1836 * c-typeck.c (build_unary_op): For pointers create the increment
1837 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
1838 for pointers.
1839 * gimplify.c (gimplify_self_mod_expr): Create a
1840 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1841 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
1842 * tree.def (POINTER_PLUS_EXPR): New tree code.
1843 * tree-predcom.c (ref_at_iteration): If we have a pointer
1844 type do the multiplication in sizetype.
1845 * tree-mudflap.c (mf_xform_derefs_1): Create a
1846 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1847 * tree-ssa-forwprop.c
1848 (forward_propagate_addr_into_variable_array_index):
1849 Don't expect there to be a cast for the index as that
1850 does not exist anymore.
1851 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
1852 instead of PLUS_EXPR.
1853 Don't check for the first operand of the POINTER_PLUS_EXPR
1854 was the index as it cannot be.
1855 Call forward_propagate_addr_into_variable_array_index with
1856 the SSA_NAME instead of the statement.
1857 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
1858 (compare_constant): Likewise.
1859 (copy_constant): Likewise.
1860 (compute_reloc_for_constant): Likewise.
1861 (output_addressed_constants): Likewise.
1862 (initializer_constant_valid_p): Likewise.
1863 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
1864 Convert the MIN/MAX of the inner type to the outer
1865 type before comparing them.
1866 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
1867 POINTER_PLUS_EXPR instead of PLUS_EXPR.
1868 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
1869 of PLUS_EXPR for pointers.
1870 * tree-inline.c (estimate_num_insns_1): Handle
1871 POINTER_PLUS_EXPR.
1872 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1873 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1874 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
1875 instead of PLUS_EXPR for the pointer increment statement.
1876 (vect_update_ivs_after_vectorizer): For pointer types, create
1877 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
1878 MULT_EXPR in sizetype.
1879 (vect_gen_niters_for_prolog_loop): Add a cast when creating
1880 byte_misalign.
1881 * tree-object-size.c (plus_expr_object_size): Handle
1882 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
1883 code which is trying to figure out which side is a pointer and
1884 is the index.
1885 (check_for_plus_in_loops_1): Likewise.
1886 (check_for_plus_in_loops): Likewise.
1887 * c-common.c (pointer_int_sum): Create a
1888 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1889 * tree-ssa-structalias.c (handle_ptr_arith): Handle
1890 only POINTER_PLUS_EXPR. Removing all the extra
1891 code which is trying to figure out which side is a pointer and
1892 is the index.
1893 * tree-cfg.c (verify_expr): Add extra checking for pointers and
1894 PLUS_EXPR and MINUS_EXPR.
1895 Also add checking to make sure the operands of POINTER_PLUS_EXPR
1896 are correct.
1897 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
1898 with make_tree, instead of a pointer type.
1899 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
1900 for pointers instead of PLUS_EXPR.
1901 (s390_gimplify_va_arg): Likewise.
1902 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
1903 instead of PLUS_EXPR when doing addition on pointer
1904 types. Use sizetype for the second operand.
1905 (spu_gimplify_va_arg_expr): Likewise.
1906 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
1907 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
1908 a pointer. Don't create a BIT_AND_EXPR for pointer types.
1909 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
1910 for the pointer addition and also use size_int/sizetype
1911 for the offset.
1912 (ix86_gimplify_va_arg): Likewise.
1913 Perform BIT_AND_EXPR on sizetype arguments.
1914 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
1915 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
1916 for the pointer additions and also use size_int for the offsets.
1917 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
1918 additions and also use size_int for the offsets. Perform
1919 BIT_AND_EXPR on sizetype arguments.
1920 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
1921 POINTER_PLUS_EXPR for pointers and create the
1922 BIT_AND_EXPR in sizetype.
1923 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
1924 instead of PLUS_EXPR for pointer addition.
1925 (rs6000_va_start): Likewise.
1926 Also use sizetype for the offset.
1927 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
1928 as PLUS_EXPR/MINUS_EXPR.
1929 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
1930 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
1931 Don't use BIT_AND_EXPR on a pointer type, convert the
1932 expression to sizetype first.
1933 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
1934 for pointers.
1935 (mips_gimplify_va_arg_expr): Likewise.
1936 Don't create BIT_AND_EXPR in a pointer type.
1937
1938 2007-06-15 Eric Christopher <echristo@apple.com>
1939
1940 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
1941 (x86_64-*-darwin*): Ditto.
1942 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
1943 for above.
1944
1945 2007-06-15 Matthew Wilcox <matthew@wil.cx>
1946
1947 * doc/extend.texi: Document behavior of __attribute__((aligned))
1948 on typedefs.
1949
1950 2007-06-15 Mark Mitchell <mark@codesourcery.com>
1951
1952 * rtlanal.c (note_stores): Improve documentation.
1953
1954 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
1955
1956 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
1957 LOCAL_LABEL_PREFIX): Delete.
1958 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
1959 (bfin_internal_label): Delete.
1960
1961 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
1962
1963 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
1964 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
1965 otherwise define to LIBGCC2_TF_CEXT.
1966 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
1967 (LIBGCC_TF_CEXT): Ditto.
1968 (TF_SIZE): Ditto.
1969
1970 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
1971
1972 PR rtl-optimization/32339
1973 * df-scan.c (df_uses_record): Don't modify flags but just add to
1974 it for df_ref_record.
1975
1976 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
1977
1978 * tree-mudflap.c: Fix whitespace issues.
1979
1980 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
1981
1982 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
1983
1984 2007-06-14 Eric Christopher <echristo@apple.com>
1985
1986 * config/i386/sse.md (movdi_to_sse): Rewrite body.
1987 (movv4sf): Use gcc_unreachable instead of abort.
1988
1989 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1990
1991 PR target/32268
1992 * config/i386/sfp-machine.h (CMPtype): New define.
1993 (mach stubs): Use CMPtype instead of int as a return type.
1994
1995 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1996
1997 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
1998 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
1999 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
2000 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
2001 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
2002 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
2003 config/soft-fp/soft-fp.h: Update from glibc CVS.
2004
2005 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
2006
2007 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
2008
2009 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
2010
2011 PR target/32341
2012 * config/v850/v850.c: Include dataflow header file.
2013 (substitute_ep_register): Fix typo.
2014
2015 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2016
2017 * configure.ac: Fix earlier checkin.
2018 * configure: Regenerated.
2019
2020 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2021
2022 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
2023 * aclocal.m4: Regenerate.
2024 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
2025 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
2026 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
2027 * configure: Regenerate.
2028 * Makefile.in (LOOSE_WARN): Subst loose_warn.
2029
2030 * Makefile.in (quickstrap): Build libgcc too.
2031
2032 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2033
2034 * configure.ac: Add --enable-checking=df. Explicitly mention that
2035 the variables are initialized as for "release".
2036 * df-core.c: Use it.
2037 * configure: Regenerate.
2038 * config.in: Regenerate.
2039
2040 2007-06-14 Bob Wilson <bob.wilson@acm.org>
2041
2042 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
2043 validate_replace_rtx instead of replace_rtx.
2044 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
2045
2046 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
2047
2048 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
2049 (DWARF2_UNWIND_INFO): Override default if configured with
2050 SJLJ EH disabled.
2051 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
2052 (ENDFILE_SPEC): Add crtend.o.
2053 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
2054 (ENDFILE_SPEC): Add crtend.o.
2055 (TARGET_USE_JCR_SECTION): Define.
2056 (MD_UNWIND_SUPPORT): Define for 32-bit target.
2057
2058 * config/i386/cygming-crtbegin.c: New file.
2059 * config/i386/cygming-crtend.c: New file.
2060
2061 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
2062
2063 * config/i386/w32-unwind.h: New file.
2064
2065 2007-06-13 Eric Christopher <echristo@apple.com>
2066
2067 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
2068 the user set a value below STACK_BOUNDARY.
2069
2070 2007-06-13 Thiemo Seufer <ths@networkno.de>
2071
2072 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
2073 imply -lpthread for -pthread.
2074
2075 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2076
2077 * basic-block.h: Remove the prototype for
2078 free_basic_block_vars.
2079 * cfglayout.h: Remove the prototype for
2080 insn_locators_initialize.
2081 * tree.h: Remove the prototype for emit_line_note.
2082
2083 * tree-ssa-pre.c (mergephitemp): Remove.
2084 (init_pre): Don't use mergephitemp.
2085
2086 2007-06-13 Eric Christopher <echristo@apple.com>
2087
2088 * config/i386/i386.c (override_options): If we've specified
2089 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
2090
2091 2007-06-13 Bob Wilson <bob.wilson@acm.org>
2092
2093 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
2094 is defined.
2095
2096 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2097
2098 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
2099 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
2100 (eh_store_handler): New pattern.
2101 (eh_return): Emit it instead of a plain move.
2102
2103 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
2104
2105 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
2106 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
2107 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
2108 def_builtin_const.
2109
2110 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2111
2112 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
2113 (find_next_insn_start, find_load): New functions.
2114 (bfin_reorg): Use them to deal with the fact that parallel insns are
2115 no longer represented as a SEQUENCE.
2116
2117 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2118
2119 * config/sparc/sparc.c (sparc_override_options): Initialize
2120 fpu mask correctly.
2121
2122 2007-06-13 Dave Korn <dave.korn@artimi.com>
2123
2124 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
2125 df_get_live_out.
2126
2127 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2128
2129 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
2130 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
2131 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
2132 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
2133 tree-vect-transform.c: Fix comment typos. Follow spelling
2134 conventions.
2135
2136 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2137
2138 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
2139 to the exit block use set.
2140 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
2141 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2142 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2143
2144 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2145
2146 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2147 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2148 to indicate an error.
2149 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters): New functions
2150 (dbg_cnt_process_opt): Print an error on a bad argument.
2151 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2152 * common.opt (-fdbg-cnt-list): New.
2153 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2154
2155 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2156
2157 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2158 flag on ref-all pointers.
2159
2160 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2161
2162 PR middle-end/31579
2163 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2164 for the offset with the modifier as EXPAND_INITIALIZER
2165 if the modifier is EXPAND_INITIALIZER.
2166 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2167 a register if we had an overflow.
2168
2169 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2170
2171 * real.c (real_isfinite): New.
2172 (real_sqrt): Use it.
2173 * real.h (real_isfinite): New.
2174 * builtins.c: Use it.
2175
2176 2007-06-12 Ian Lance Taylor <iant@google.com>
2177 Daniel Berlin <dberlin@dberlin.org>
2178
2179 PR libstdc++/29286
2180 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2181 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2182 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2183 (DECL_NO_TBAA_P): Define.
2184 (struct tree_decl_common): Add no_tbaa_flag field.
2185 * tree-ssa-structalias.c (struct variable_info): Add
2186 no_tbaa_pruning field.
2187 (new_var_info): Initialize no_tbaa_pruning field.
2188 (unify_nodes): Copy no_tbaa_pruning field.
2189 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2190 (dump_solution_for_var): Print no_tbaa_pruning flag.
2191 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2192 callers.
2193 (compute_tbaa_pruning): New static function.
2194 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2195 Call compute_tbaa_pruning.
2196 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2197 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2198 * gimple-low.c (lower_stmt): Likewise.
2199 * tree-gimple.c (is_gimple_stmt): Likewise.
2200 * tree-ssa-operands.c (get_expr_operands): Likewise.
2201 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2202 * tree-inline.c (estimate_num_insns_1): Likewise.
2203 (copy_result_decl_to_var): Likewise.
2204 * expr.c (expand_expr_real_1): Likewise.
2205 * tree-pretty-print.c (dump_generic_node): Likewise.
2206 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2207 * omp-low.c (omp_copy_decl_2): Likewise.
2208 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2209 * doc/c-tree.texi (Expression trees): Document
2210 CHANGE_DYNAMIC_TYPE_EXPR.
2211
2212 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2213
2214 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2215 with !HONOR_NANS and !HONOR_INFINITIES.
2216 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2217
2218 2007-06-12 Tristan Gingold <gingold@adacore.com>
2219
2220 * gcov.c: Comments updated.
2221 (source_info): Add file_time field.
2222 (source_index): New variable.
2223 (mutiple_files): New variable.
2224 (generate_results): New function extracted from process_file.
2225 (process_file): Save and restore chain of functions, generate
2226 results and free structures only if not merging results.
2227 (release_structures): File names are now freed in create_file_names
2228 (create_file_names): Free previous file names.
2229 (find_source): File date is now read here and modifications in
2230 source files is checked here.
2231 (read_graph_file): Only reverse order of functions for the current
2232 object file.
2233 (make_gcov_file_name): Do not generate long names if input_name is
2234 NULL.
2235 (output_lines): If merging results do not display graph, data and
2236 runs informations.
2237 Checking source file modification is done in find_source.
2238
2239 * doc/gcov.texi: Append an s to sourcefile.
2240
2241 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2242
2243 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2244 (forced_nop): New pattern.
2245 * config/bfin/bfin.c: Include "df.h".
2246 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2247 (bfin_discover_loop): Use df_get_live_in instead of
2248 global_live_at_start.
2249 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2250 df_analyze when done.
2251 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2252 the insns. Use QImode for the final insn in a bundle. Call
2253 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2254 gen_nop.
2255 (reorder_var_tracking_notes): New function.
2256 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2257 update_life_info. Call df_analyze after scheduling and bundle
2258 generation. Call reorder_var_tracking_notes if generating these notes.
2259 Call df_finish_pass at the end.
2260
2261 2007-06-12 Dirk Mueller <dmueller@suse.de>
2262
2263 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2264 a comparison, not an assignment.
2265
2266 2007-06-12 Olivier Hainque <hainque@adacore.com>
2267
2268 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2269 Request walking the subtrees only, leaving the current is_lhs/val_only
2270 untouched.
2271 (convert_non_local_reference): Likewise.
2272
2273 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2274
2275 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2276
2277 2007-06-12 Richard Guenther <rguenther@suse.de>
2278
2279 PR tree-optimization/15353
2280 PR tree-optimization/31657
2281 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2282 * timevar.def: Add TV_TREE_IFCOMBINE.
2283 * tree-pass.h (pass_tree_ifcombine): Declare.
2284 * tree-ssa-ifcombine.c: New file.
2285 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2286 * tree-flow.h (blocks_in_phiopt_order): Declare.
2287 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2288 (tree-ssa-ifcombine.o): New dependencies.
2289
2290 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2291
2292 PR rtl-optimization/32293
2293 * combine.c (simplify_if_then_else): Truncate return from
2294 nonzero_bits() to correct mode.
2295
2296 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2297
2298 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2299 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2300
2301 2007-06-11 Diego Novillo <dnovillo@google.com>
2302
2303 * Makefile.in (reload1.o-warn): Remove.
2304
2305 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2306
2307 * combine.c (subst): Use reg_overlap_mentioned_p
2308 instead of comparing register numbers directly.
2309
2310 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2311
2312 * reload1.c (mark_home_live_1): Use the mode parameter.
2313
2314 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2315
2316 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2317 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2318 word "deferred".
2319 * df-core.c: Ditto.
2320
2321 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2322
2323 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2324
2325 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2326
2327 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2328 from integer registers.
2329 (FP mode splitters): Handle TFmode.
2330
2331 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2332
2333 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2334 for ref-all pointers that point-to anything.
2335
2336 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2337
2338 * config/arm/arm.c (arm_output_dwarf_dtprel,
2339 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2340
2341 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2342
2343 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2344 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2345 to memory moves.
2346
2347 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2348
2349 * gcc/tree.c (signed_or_unsigned_type_for): New.
2350 (unsigned_type_for): Use signed_or_unsigned_type_for.
2351 (signed_type_for): Use signed_or_unsigned_type_for.
2352 * gcc/tree.h (signed_or_unsigned_type_for): New.
2353 (get_signed_or_unsigned_type): Remove.
2354 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2355 lang_hooks.types.signed_type
2356 (size_diffop): Likewise.
2357 (all_ones_mask_p): Likewise.
2358 (build_range_check): Likewise.
2359 (fold_cond_expr_with_comparison): Likewise.
2360 (fold_cond_expr_with_comparison): Likewise.
2361 (unextend): Likewise.
2362 (extract_muldiv_1): Likewise.
2363 (fold_single_bit_test_into_sign_test): Likewise.
2364 (fold_binary): Likewise.
2365 (fold_ternary): Likewise.
2366 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2367 instead of get_signed_or_unsigned_type.
2368 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2369 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2370 * gcc/expr.c (signed_or_unsigned_type_for): Use
2371 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2372 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2373 (lhd_signed_or_unsigned_type): Remove.
2374 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
2375 signed_or_unsigned_type.
2376 (lhd_signed_or_unsigned_type): Remove.
2377 * gcc/expmed.c (make_tree): Use signed_type_for instead of
2378 lang_hooks.types.signed_type.
2379 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
2380 c_common_signed_type instead of lang_hooks.types.signed_type.
2381 (c_common_unsigned_type): New.
2382 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
2383 (shorten_compare): Use c_common_unsigned_type instead of
2384 c_common_signed_or_unsigned_type.
2385 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
2386 unsigned_type_for.
2387 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
2388 lang_hooks.types.signed_type.
2389 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2390 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
2391 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
2392 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
2393 instead of unsigned_type_for.
2394 * gcc/c-decl.c (groakdeclarator): Likewise.
2395 * gcc/c-typeck.c (convert_for_assignment): Likewise.
2396 * gcc/c-common.h (c_common_unsigned_type): New.
2397
2398 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2399
2400 PR target/32280
2401 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
2402 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
2403
2404 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2405
2406 PR middle-end/32279
2407 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
2408 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
2409
2410 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
2411 Sebastian Pop <sebpop@gmail.com>
2412
2413 * lambda-code.c (remove_iv): New.
2414 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
2415
2416 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
2417
2418 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
2419 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
2420 * tree-ssa-loop-prefetch.c: Include optabs.h.
2421 (FENCE_FOLLOWING_MOVNT): New macro.
2422 (struct mem_ref): Add independent_p and storent_p fields.
2423 (record_ref): Initalize the new fields.
2424 (gather_memory_references_ref): Return true if the reference
2425 could be analysed.
2426 (gather_memory_references): Check whether all memory accesses
2427 in loop were recorded.
2428 (should_issue_prefetch_p): Return false for nontemporal stores.
2429 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
2430 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
2431 (determine_loop_nest_reuse): Detect independent memory references.
2432 (loop_prefetch_arrays): Call mark_nontemporal_stores.
2433 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
2434 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
2435 * config/i386/i386.h (x86_mfence): Declare.
2436 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
2437 * config/i386/i386.c (x86_mfence): New variable.
2438 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
2439
2440 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
2441 * optabs.c (init_optabs): Initialize storent_optab.
2442 * optabs.h (enum optab_index): Add OTI_storent.
2443 (storent_optab): Declare.
2444 * genopinit.c (optabs): Add initialization for storent_optab.
2445 * tree.h (MOVE_NONTEMPORAL): New macro.
2446 * expr.c (expand_assignment, store_expr, store_constructor_field,
2447 store_constructor, store_field, expand_expr_real_1): Propagate
2448 nontemporality of the expanded store.
2449 (emit_storent_insn): New function.
2450 * expr.h (expand_assignment, store_expr): Declaration changed.
2451 * function.c (assign_parm_setup_reg): Pass false as nontemporality
2452 to expand_assignment.
2453 * stmt.c (expand_asm_expr): Ditto.
2454 * calls.c (initialize_argument_information): Pass false as
2455 nontemporality to store_expr.
2456 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
2457 storentsi): New.
2458
2459 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2460
2461 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
2462 parameter, use it.
2463 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
2464
2465 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2466
2467 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
2468 and allow DECL_P here.
2469
2470 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
2471
2472 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
2473 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
2474 track of the size of the expression.
2475 * cfghooks.c (merge_blocks): Remove block from loops structure only
2476 after call of the merge_blocks hook.
2477
2478 2007-06-09 Tom Tromey <tromey@redhat.com>
2479
2480 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
2481 (deprecated_state): Removed.
2482 (start_decl): Update.
2483 (enum deprecated_states): Moved earlier.
2484 (groktypename): Update.
2485 (push_parm_decl): Likewise.
2486 (grokfield): Likewise.
2487 (start_function): Likewise.
2488
2489 2007-06-09 Ian Lance Taylor <iant@google.com>
2490
2491 PR tree-optimization/32169
2492 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
2493 CONVERT_EXPR, check whether min and max both converted to an
2494 overflow infinity representation.
2495
2496 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
2497
2498 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
2499 not inserted on the edge.
2500
2501 2007-06-08 Bob Wilson <bob.wilson@acm.org>
2502
2503 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
2504 instructions if they are supported.
2505 (__divsi3, __umodsi3, __modsi3): Likewise.
2506 (__ashldi3, __ashrdi3, __lshrdi3): New.
2507 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
2508
2509 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
2510 Tony Linthicum <tony.linthicum@amd.com>
2511
2512 * doc/extend.texi: Add fvect-cost-model flag.
2513 * common.opt (fvect-cost-model): New flag.
2514 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
2515 cost fields in stmt_vec_info struct for STMT.
2516 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
2517 fields in stmt_vec_info struct and access functions for the same.
2518 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
2519 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
2520 load, store and vector to scalar operation.
2521 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
2522 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
2523 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
2524 (TARG_VEC_STORE_COST): Define cost of vector store.
2525 (vect_estimate_min_profitable_iters): Define new function.
2526 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
2527 check to evaluate if loop iterations are less than minimum profitable
2528 iterations determined by cost model or minimum vect loop bound defined
2529 by user, whichever is more conservative.
2530 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
2531 run-time check to evaluate if loop iterations are less than minimum
2532 profitable iterations determined by cost model or minimum vect loop
2533 bound defined by user, whichever is more conservative.
2534 (vect_estimate_min_profitable_iterations): New function to estimate
2535 mimimimum iterartions required for vector version of loop to be
2536 profitable over scalar version.
2537 (vect_model_reduction_cost): New function.
2538 (vect_model_induction_cost): New function.
2539 (vect_model_simple_cost): New function.
2540 (vect_cost_strided_group_size): New function.
2541 (vect_model_store_cost): New function.
2542 (vect_model_load_cost): New function.
2543 (vectorizable_reduction): Call vect_model_reduction_cost during
2544 analysis phase.
2545 (vectorizable_induction): Call vect_model_induction_cost during
2546 analysis phase.
2547 (vectorizable_load): Call vect_model_load_cost during analysis phase.
2548 (vectorizable_store): Call vect_model_store_cost during analysis phase.
2549 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
2550 vectorizable_promotion, vectorizable_demotion): Call
2551 vect_model_simple_cost during analysis phase.
2552
2553 2007-06-08 Simon Baldwin <simonb@google.com>
2554
2555 * reg-stack.c (get_true_reg): Readability change. Moved default case
2556 label into direct switch statement scope.
2557
2558 2007-06-08 Simon Baldwin <simonb@google.com>
2559
2560 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
2561 in gcc_assert() with '==' comparison.
2562
2563 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2564
2565 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
2566 TARGET_ABM handling of x86_popcnt variable.
2567
2568 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2569
2570 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
2571 __builtin_copysignq and __builtin_infq built-in functions.
2572
2573 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2574
2575 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
2576 SSE4.2 section. Correct built-in function names in SSE4A section.
2577
2578 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2579
2580 PR tree-optimization/32243
2581 * tree-vect-transform.c (vectorizable_type_promotion): Move check
2582 for ncopies after ratio check between nunits_out and nunits_in.
2583 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
2584
2585 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
2586
2587 PR tree-optimization/32224
2588 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
2589 vectorization upon a non GIMPLE_MODIFY_STMT.
2590
2591 2007-06-08 Christian Bruel <christian.bruel@st.com>
2592
2593 PR target/29953
2594 * config/sh/sh.md (doloop_end): New pattern and splitter.
2595 * loop-iv.c (simple_rhs_p): Check for hardware registers.
2596
2597 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
2598
2599 PR middle-end/32209
2600 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
2601 functions.
2602 (verify_dominators): Do not change dominance tree.
2603
2604 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
2605
2606 * config/sh/constraints.md: New file.
2607 * config/sh/sh.c: Include tm-constrs.h.
2608 (reg_class_from_letter): Remove.
2609 (prepare_cbranch_operands): Use satisfies_constraint_*
2610 function instead of macro.
2611 (andcosts, broken_move, sh_secondary_reload): Likewise.
2612 * config/sh/predicates.md (trapping_target_operand): Likewise.
2613 (and_operand, arith_operand, arith_reg_or_0_operand,
2614 cmp_operand, logical_operand, target_operand,
2615 ua_address_operand, ua_offset, xor_operand): Likewise.
2616 * config/sh/sh.md: Include constraints.md.
2617 (*movsicc_t_false): Use satisfies_constraint_* function
2618 instead of macro.
2619 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
2620 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
2621 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
2622 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
2623 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
2624 (REG_CLASS_FROM_CONSTRAINT): Remove.
2625 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
2626 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
2627 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
2628 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
2629 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
2630 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
2631 function instead of macro.
2632 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2633 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
2634 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
2635 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
2636 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
2637 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
2638 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
2639 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
2640 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
2641 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
2642 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
2643 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
2644 EXTRA_CONSTRAINT_STR): Likewise.
2645 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
2646
2647 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2648
2649 * config/i386/darwin.h (STACK_BOUNDARY): Define.
2650
2651 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
2652
2653 PR c++/30759
2654 * c-common.h (flag_cpp0x): Replaced by...
2655 (cxx_dialect): ... this new variable specifying the C++ dialect that
2656 is used.
2657 * c-common.c (flag_cpp0x): Removed.
2658 (cxx_dialect): Defined.
2659 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
2660 cxx_dialect.
2661 * c-opts.c (c_common_post_options): Likewise.
2662 (set_std_cxx98): Set cxx_dialect to cxx98.
2663 (set_std_cxx0x): Set cxx_dialect to cxx0x.
2664
2665 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2666 Hui-May Chang <hm.chang@apple.com>
2667
2668 * doc/invoke.texi (Darwin Options): Update documentation for
2669 -mmacosx-version-min.
2670 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
2671 * config/darwin-driver.c: New file.
2672 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
2673 * config/t-darwin (darwin-driver.o): New rule.
2674
2675 * config/darwin-c.c (version_as_macro): Ignore low digit.
2676
2677 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
2678
2679 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
2680 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
2681 (CSGNMODE): New mode macro.
2682 (CSGNVMODE): New mode attribute.
2683 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
2684 expander using CSGNMODE mode macro. Handle TFmode.
2685 (copysign<mode>3_const): Rename from copysignsf3_const and
2686 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
2687 Handle TFmode.
2688 (copysign<mode>3_var): Rename from copysignsf3_var and
2689 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
2690 Handle TFmode.
2691 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
2692 mode macro. Handle TFmode.
2693 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
2694 (iortf3, *iortf3): Ditto.
2695 (xortf3, *xortf3): Ditto.
2696 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
2697 TFmode and TImode masks.
2698 (ix86_expand_copysign): Expand TFmode copysign insn.
2699 (IX86_BUILTIN_INFQ): New.
2700 (IX86_BUILTIN_FABSQ): Ditto.
2701 (IX86_BUILTIN_COPYSIGNQ): Ditto.
2702 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
2703 [__builtin_fabsq]: Ditto.
2704 [__builtin_copysignq]: Ditto.
2705 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
2706 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
2707 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
2708 ix86_expand_binop_builtin().
2709
2710 2007-06-07 Bob Wilson <bob.wilson@acm.org>
2711
2712 * config/xtensa/lib1funcs.asm: Clean up whitespace.
2713
2714 2007-06-07 Steve Ellcey <sje@cup.hp.com>
2715
2716 PR target/31850
2717 * rtl.h (push_to_sequence2): New.
2718 * emit-rtl.c (push_to_sequence2): New.
2719 * function.c (assign_parm_data_all): Add new fields.
2720 (assign_parm_setup_block): Call push_to_sequence2 instead of
2721 push_to_sequence.
2722 (assign_parm_setup_reg): Ditto.
2723 (assign_parm_setup_stack): Ditto.
2724 (assign_parms_unsplit_complex): Ditto.
2725 (assign_parms): Change field name.
2726
2727 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2728
2729 PR tree-optimization/32220
2730 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
2731 phi node is reached before defining statement.
2732
2733 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2734
2735 PR tree-opt/32231
2736 * tree-vect-transform.c (vectorizable_call): Call update_stmt
2737 after changing the right hand side of the assignment.
2738
2739 2007-06-06 Eric Christopher <echristo@apple.com>
2740
2741 * config.gcc (i?86-*-darwin*): Remove arch parameter.
2742 (x86_64-*-darwin*): Ditto.
2743 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
2744 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
2745
2746 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2747
2748 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
2749 coding conventions.
2750 (add_key): Likewise.
2751 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
2752 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
2753 variable names.
2754 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory macros.
2755 (add_cost_one_coalesce): Likewise.
2756 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
2757 variable names. Rename orig to orig_name for consistency.
2758 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the coding
2759 conventions.
2760 (cprop_into_successor_phis): Avoid using C++ keywords as variable names.
2761 (record_equivalences_from_stmt): Likewise.
2762 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
2763 the coding conventions.
2764 (memory_ssa_name_same): Likewise.
2765 (dse_optimize_stmt): Likewise.
2766 (dse_record_phis): Likewise.
2767 (dse_finalize_block): Likewise.
2768 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
2769 keywords as variable names.
2770 (may_move_till): Cast according to the coding conventions.
2771 (force_move_till_expr): Avoid using C++ keywords as variable names.
2772 (force_move_till): Cast according to the coding conventions.
2773 (memref_hash): Likewise.
2774 (memref_eq): Likewise.
2775 (gather_mem_refs_stmt): Likewise.
2776 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid using C++
2777 keywords as variable names.
2778 (idx_find_step): Cast according to the coding conventions.
2779 (idx_record_use): Likewise.
2780 (find_depends): Likewise.
2781 (prepare_decl_rtl): Likewise.
2782 (mbc_entry_hash): Likewise.
2783 (mbc_entry_eq): Likewise.
2784 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
2785 (simplify_replace_tree): Avoid using C++ keywords as variable names.
2786 (idx_infer_loop_bounds): Cast according to the coding conventions.
2787 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
2788 * tree-ssa-math-opts.c (occ_new ): Likwise.
2789 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
2790 macros.
2791 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as variable
2792 names.
2793 (add_use_op): Likewise.
2794 (add_vop): Likewise.
2795 (add_vuse_op): Likewise.
2796 (add_vdef_op): Likewise.
2797 (get_expr_operands): Likewise.
2798 (push_stmt_changes): Use type safe memory macros.
2799 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
2800 keywords as variable names.
2801 (conditional_replacement): Likewise.
2802 (minmax_replacement): Likewise.
2803 (abs_replacement): Likewise.
2804 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
2805 coding conventions.
2806 (insert_fake_stores): Avoid using C++ keywords as variable names.
2807 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
2808 conventions.
2809 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
2810 (heapvar_insert): Use type safe memory macros.
2811 (new_var_info): Cast according to the coding conventions.
2812 (new_constraint): Likewise.
2813 (remove_preds_and_fake_succs): Use type safe memory macros.
2814 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
2815 conventions.
2816 (thread_single_edge): Likewise.
2817 (thread_through_loop_header): Likewise.
2818
2819 2007-06-06 Eric Christopher <echristo@apple.com>
2820
2821 * config/i386/i386.c (override_options): Move handling
2822 of TARGET_SUBTARGET* earlier.
2823
2824 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
2825
2826 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
2827 use %n on printf.
2828
2829 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
2830
2831 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
2832 emited outside of basic block.
2833 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
2834 the created blocks.
2835 * rtl.h (delete_insn_chain): Declaration changed.
2836 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
2837 non-removed insns.
2838 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
2839 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
2840 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
2841 to delete_insn_chain.
2842 (rtl_verify_flow_info_1): Verify that the insns in header and footer
2843 do not have bb field set.
2844 (rtl_verify_flow_info): Verify that insns between basic blocks do not
2845 have bb field set.
2846 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
2847 * cfgcleanup.c (try_optimize_cfg): Ditto.
2848
2849 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2850
2851 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
2852 (lambda_body_vector_new): Use type safe memory macros.
2853 (lambda_linear_expression_new): Likewise.
2854 (lambda_loopnest_new): Likewise.
2855 (lambda_lattice_new): Likewise.
2856 (replace_uses_equiv_to_x_with_y): Cast according to the coding
2857 conventions. Use type safe memory macros.
2858 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
2859 (lambda_body_vector_s): Likewise.
2860 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
2861 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
2862
2863 2007-06-06 Richard Guenther <rguenther@suse.de>
2864
2865 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
2866 if we need to schedule cfg_cleanup.
2867 (tree_ssa_forward_propagate_single_use_vars): Do so.
2868
2869 2007-06-06 Ian Lance Taylor <iant@google.com>
2870
2871 * fold-const.c (merge_ranges): If range_successor or
2872 range_predecessor fail, just return 0.
2873
2874 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2875
2876 PR tree-optimization/32216
2877 * tree-vectorizer.c (supportable_widening_operation): Determine
2878 signedness of FIX_TRUNC_EXPR from output operand.
2879 (supportable_narrowing_operation): Ditto.
2880 * tree-vect-generic.c (expand_vector_operations_1): Determine
2881 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
2882 from input operand.
2883
2884 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2885
2886 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
2887 (struct pta): ...from here. Change flags to unsigned to avoid
2888 excessive casting (as it is used as a bit mask).
2889 (override_options): Add casts according to the coding convenventions.
2890 (x86_64_elf_unique_section): Likewise.
2891 (examine_argument): Avoid using C++ keywords as variable names.
2892 (construct_container): Likewise.
2893 (legitimize_pic_address): Likewise.
2894 (get_dllimport_decl): Cast according to the coding conventions. Use
2895 type safe memory macros.
2896 (legitimize_address): Cast according to the coding conventions.
2897 (emit_i387_cw_initialization): Corrected the type of slot to enum
2898 ix86_stack_slot.
2899 (ix86_init_machine_status): Use type safe memory macros.
2900 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
2901 (bdesc_pcmpistr): Likewise.
2902 (bdesc_crc32): Likewise.
2903 (bdesc_sse_3arg): Likewise.
2904 (bdesc_2arg): Likewise.
2905 (bdesc_1arg): Likewise.
2906 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
2907 (ix86_expand_sse_pcmpistr): Likewise.
2908 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
2909 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
2910 int to match the langhook definition.
2911 (ix86_builtin_conversion): Change the type of code to unsigned init to
2912 match the langhook definition.
2913 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
2914 names.
2915 (ix86_preferred_output_reload_class): Likewise.
2916 (ix86_cannot_change_mode_class): Likewise.
2917 (ix86_memory_move_cost): Likewise.
2918 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
2919 avoid excessive casting later on.
2920 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
2921
2922 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2923
2924 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
2925 as flags setting insn.
2926 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
2927
2928 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2929
2930 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
2931 (UNSPEC_ROUND): New.
2932 ("sse4_1_round<mode>2"): New insn pattern.
2933 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
2934 SSE4.1 targets.
2935 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
2936 expander using SSEMODEF mode macro. Expand using
2937 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2938 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
2939 expander using SSEMODEF mode macro. Expand using
2940 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2941 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
2942 expander using SSEMODEF mode macro. Expand using
2943 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2944 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
2945 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
2946 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
2947 UNSPEC_ROUNDS.
2948
2949 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
2950 Sebastian Pop <sebpop@gmail.com>
2951
2952 * lambda.h (build_linear_expr): New.
2953 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
2954 Use build_linear_expr, call fold and force_gimple_operand.
2955 (lambda_loopnest_to_gcc_loopnest): Check that there is
2956 something to insert.
2957 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
2958
2959 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2960
2961 PR preprocessor/23479
2962 * doc/extend.texi: Document the 0b-prefixed binary integer
2963 constant extension.
2964
2965 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2966
2967 PR tree-optimization/32215
2968 * tree-vectorizer.c (supportable_widening_operation): Return false
2969 for unsupported FIX_TRUNC_EXPR tree code.
2970 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
2971
2972 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
2973
2974 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
2975 register on SPE targets. Change documentation to reflect
2976 reality.
2977 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
2978 Change FIXED_SCRATCH to 14 and document why we're keeping r14
2979 out of the register allocation pool.
2980 (rs6000_reg_live_or_pic_offset_p): New function.
2981 (rs6000_emit_prologue): Move the actual saving of LR up to free
2982 r0 for holding r11. Split saving of SPE 64-bit registers into
2983 its own case. Ensure that offsets will always be in-range for
2984 'evstdd' by using r11 as a scratch register to point at the start
2985 of the SPE save area. Save r11 if necessary, as it is the static
2986 chain register.
2987 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
2988 into its own case. Ensure that offsets will always be in-range
2989 for 'evldd' by using r11 as a scratch register to point at the
2990 start of the SPE save area. Also adjust r11 when restoring
2991 the stack pointer to compensate for pre-loading r11.
2992
2993 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
2994
2995 * cfg.c (init_flow): Use type safe memory macros.
2996 (alloc_block): Likewise.
2997 (unchecked_make_edge): Likewise.
2998 (dump_flow_info): Avoid using C++ keywords as variable names.
2999 (copy_original_table_clear): Cast according to the coding conventions.
3000 (copy_original_table_set): Likewise.
3001 * cfgexpand (label_rtx_for_bb): Likewise.
3002 (expand_gimple_basic_block): Likewise.
3003 * cfghooks.c (dump_bb): Likewise.
3004 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
3005 variable names.
3006 (lv_add_condition_to_bb): Likewise.
3007 * cfglayout (relink_block_chain): Cast according to the coding
3008 conventions.
3009 (fixup_reorder_chain): Likewise.
3010 (fixup_fallthru_exit_predecessor): Likewise.
3011 * cfgloop.c (glb_enum_p): Likewise.
3012 (get_exit_description): Likewise.
3013 (dump_recorded_exit): Likewise.
3014 * cfgloop.h (enum loop_estimation): Move out of struct scope...
3015 (struct loop): ... from here.
3016 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
3017 conventions.
3018 * cfgrtl.c (rtl_create_basic_block): Likewise.
3019 (rtl_split_block): Likewise.
3020 (rtl_dump_bb): Likewise.
3021 (cfg_layout_split_block): Likewise.
3022 (init_rtl_bb_info): Use typesafe memory macros.
3023
3024 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
3025 * graphds.h: Updated all usages of edge to graph_edge.
3026 * graphds.c: Likewise.
3027 * cfgloopanal.c: Likewise.
3028
3029 2007-06-05 Ian Lance Taylor <iant@google.com>
3030
3031 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
3032 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
3033 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
3034 expression.
3035 (test_for_singularity): Likewise.
3036
3037 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3038
3039 * config/i386/constraints.md ("Y2"): Replaced by ...
3040 ("Yt"): This.
3041 * config/i386/i386.md: Likewise.
3042 * config/i386/mmx.md: Likewise.
3043 * config/i386/sse.md: Likewise.
3044
3045 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3046
3047 * config/i386/constraints.md ("z"): Replaced by ...
3048 ("Y0"): This.
3049 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
3050 (sse4_1_blendvps): Likewise.
3051 (sse4_1_pblendvb): Likewise.
3052 (sse4_2_pcmpestr): Likewise.
3053 (sse4_2_pcmpestrm): Likewise.
3054 (sse4_2_pcmpestr_cconly): Likewise.
3055 (sse4_2_pcmpistr): Likewise.
3056 (sse4_2_pcmpistrm): Likewise.
3057 (sse4_2_pcmpistr_cconly): Likewise.
3058
3059 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
3060
3061 * matrix-reorg.c (transform_access_sites): Fix computation.
3062 (transform_allocation_sites): Same.
3063
3064 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3065
3066 * config/i386/i386.c (override_options): Use
3067 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
3068
3069 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3070
3071 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
3072 (nonimm_not_xmm0_operand): Ditto.
3073 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
3074 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
3075 as operand[2] predicate. Require "z" class XMM register for
3076 operand[3]. Adjust asm template.
3077 ("sse4_1_blendvpd"): Ditto.
3078 ("sse4_1_pblendvb"): Ditto.
3079 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
3080 force op2 into xmm0 register for variable blend instructions.
3081
3082 2007-06-04 Tom Tromey <tromey@redhat.com>
3083
3084 * c-tree.h (start_enum): Update.
3085 (build_enumerator): Likewise.
3086 * c-decl.c (enum_next_value): Removed.
3087 (enum_overflow): Likewise.
3088 (start_enum): Add c_enum_contents argument. Don't use globals.
3089 (build_enumerator): Likewise.
3090 * c-tree.h (struct c_enum_contents): New struct.
3091
3092 2007-06-04 Tom Tromey <tromey@redhat.com>
3093
3094 * c-common.c (c_common_get_alias_set): Fix indentation.
3095
3096 2007-06-04 Ian Lance Taylor <iant@google.com>
3097
3098 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
3099 to overflow, reduce overflow infinity to regular infinity.
3100 (vrp_var_may_overflow): New static function.
3101 (vrp_visit_phi_node): Check vrp_var_may_overflow.
3102
3103 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
3104
3105 * stor-layout.c (layout_type): Remove duplicate code.
3106
3107 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
3108
3109 PR c/32191
3110 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
3111 before build_common_builtin_nodes ().
3112
3113 2007-06-04 Steve Ellcey <sje@cup.hp.com>
3114
3115 PR target/31733
3116 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
3117
3118 2007-06-04 Jan Hubicka <jh@suse.cz>
3119
3120 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
3121 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
3122 instead of _stat version.
3123
3124 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3125
3126 PR tree-optimization/32194
3127 * tree-predcom.c (determine_offset): Check that both references have
3128 the same type.
3129
3130 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3131
3132 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
3133 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
3134 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3135 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
3136 Add argument to iterate_fix_dominators call.
3137 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
3138 * gcse.c (hoist_code): Change domby to vector.
3139 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
3140 Add argument to iterate_fix_dominators call.
3141 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3142 recompute_dominator.
3143 * lambda-code.c (perfect_nestify): Ditto.
3144 * cfgloopanal.c: Include graphds.h.
3145 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3146 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3147 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3148 add_edge call.
3149 * graphds.c: New file.
3150 * graphds.h: New file.
3151 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3152 (get_dominated_by, get_dominated_by_region): Change return type to
3153 vector.
3154 (verify_dominators): Recompute all dominators and compare the results.
3155 (recount_dominator): Renamed to ...
3156 (recompute_dominator): ... this. Do not check that the block is
3157 dominated by entry.
3158 (iterate_fix_dominators): Reimplemented.
3159 (prune_bbs_to_update_dominators, root_of_dom_tree,
3160 determine_dominators_for_sons): New functions.
3161 * et-forest.c (et_root): New function.
3162 * et-forest.h (et_root): Declare.
3163 * Makefile.in (graphds.o): Add.
3164 (cfgloopanal.o): Add graphds.h dependency.
3165 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3166 * basic-block.h (get_dominated_by, get_dominated_by_region,
3167 iterate_fix_dominators): Declaration changed.
3168 (recount_dominator): Renamed to ...
3169 (recompute_dominator): ... this.
3170 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3171 (thread_through_all_blocks): Do not free dominance info.
3172
3173 2007-06-03 Andreas Schwab <schwab@suse.de>
3174
3175 * config/m68k/m68k.c (override_options): Don't override
3176 REAL_MODE_FORMAT.
3177 * config/m68k/m68k-modes.def (SF, DF): Define to use
3178 motorola_single_format and motorola_double_format, resp.
3179 * real.c (motorola_single_format): Renamed from
3180 coldfire_single_format.
3181 (motorola_double_format): Renamed from coldfire_double_format.
3182 (encode_ieee_extended): Generate a proper canonical NaN image
3183 respecting canonical_nan_lsbs_set.
3184 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3185 true.
3186 * real.h: Adjust declarations.
3187
3188 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3189
3190 PR target/32163
3191 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3192 the symbol is generated with the stack protector.
3193
3194 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3195
3196 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3197 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3198 "interrupt".
3199 * doc/extend.texi (interrupt): Mention m68k.
3200
3201 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3202
3203 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3204 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3205 (ix86_expand_sse_pcmpestr): Do not check operands for
3206 "register_operand", when insn operand predicate is "register_operand".
3207 (ix86_expand_sse_pcmpistr): Ditto.
3208
3209 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3210 Uros Bizjak <ubizjak@gmail.com>
3211
3212 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3213 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3214 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3215 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3216 * config/i386/constraints.md ("z"): New register constraint
3217 for members of SSE_FIRST_REG class.
3218 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3219 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3220 SSE_FIRST_REG class.
3221 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3222 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3223 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3224 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3225 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3226 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3227 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3228 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3229 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3230 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3231 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3232 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3233 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3234 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3235 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3236 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3237 (struct builtin_description): Change "flag" field to unsigned.
3238 (bdesc_pcmpestr): New builtin description table.
3239 (bdesc_pcmpistr): Likewise.
3240 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3241 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3242 Initialize pcmp[ei]str[im] insns for SSE4.2.
3243 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3244 (ix86_expand_sse_pcmpistr): Likewise.
3245 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3246 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3247 (UNSPEC_PCMPISTR): Likewise.
3248 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3249 (sse4_2_pcmpestri):New isns pattern.
3250 (sse4_2_pcmpestrm): Likewise.
3251 (sse4_2_pcmpestr_cconly): Likewise.
3252 (sse4_2_pcmpistr): New insn patern and splitter.
3253 (sse4_2_pcmpistri):New isns pattern.
3254 (sse4_2_pcmpistrm): Likewise.
3255 (sse4_2_pcmpistr_cconly): Likewise.
3256 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3257 in SSE4.2.
3258
3259 2007-06-01 David Daney <ddaney@avtrex.com>
3260
3261 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3262 LOADGP_ABSOLUTE and not binds_local_p.
3263
3264 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3265
3266 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3267
3268 2007-06-01 Ian Lance Taylor <iant@google.com>
3269
3270 * tree-vrp.c (compare_name_with_value): Always set
3271 used_strict_overflow if we get a result from the variable itself.
3272
3273 2007-06-01 Ian Lance Taylor <iant@google.com>
3274
3275 PR rtl-optimization/31455
3276 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3277 subregs which have a cast between modes which are not tieable.
3278
3279 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3280
3281 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3282 breaks after return statements.
3283
3284 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3285
3286 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3287 only after no_new_pseudos.
3288
3289 2007-05-31 Eric Christopher <echristo@apple.com>
3290
3291 * expr.c (convert_move): Assert that we don't have a BLKmode
3292 operand.
3293 (store_expr): Handle BLKmode moves by calling emit_block_move.
3294
3295 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3296
3297 * c-typeck.c (build_indirect_ref): Include type in error message.
3298 (build_binary_op): Pass types to binary_op_error.
3299 * c-common.c (binary_op_error): Take two type arguments, print out
3300 types with error.
3301 * c-common.h (binary_op_error): Update prototype.
3302
3303 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3304
3305 * config/i386/i386.c: Correct coments on -mno-sse4.
3306
3307 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3308
3309 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3310 (x86_64-*-*): Likewise.
3311 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3312 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3313 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3314 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3315 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3316 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3317 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3318 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3319 (OPTION_MASK_ISA_SSE4): Likewise.
3320 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3321 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3322 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3323 (override_options): Support SSE4.2.
3324 (ix86_build_const_vector): Support SImode and DImode.
3325 (ix86_build_signbit_mask): Likewise.
3326 (ix86_expand_int_vcond): Support V2DImode.
3327 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3328 (IX86_BUILTIN_CRC32HI): Likewise.
3329 (IX86_BUILTIN_CRC32SI): Likewise.
3330 (IX86_BUILTIN_CRC32DI): Likewise.
3331 (IX86_BUILTIN_PCMPGTQ): Likewise.
3332 (bdesc_crc32): Likewise.
3333 (bdesc_sse_3arg): Likewise.
3334 (ix86_expand_crc32): Likewise.
3335 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3336 (ix86_expand_builtin): Likewise.
3337 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3338 __SSE4_2__ for -msse4.2.
3339 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3340 (CRC32MODE): Likewise.
3341 (crc32modesuffix): Likewise.
3342 (crc32modeconstraint): Likewise.
3343 (sse4_2_crc32<mode>): Likewise.
3344 (sse4_2_crc32di): Likewise.
3345 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3346 (msse4): Likewise.
3347 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3348 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3349 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3350 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3351 (vcondu<mode>): Likewise.
3352 * doc/extend.texi: Document SSE4.2 built-in functions.
3353 * doc/invoke.texi: Document -msse4.2/-msse4.
3354
3355 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3356
3357 PR tree-optimization/32160
3358 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3359 variable as gimple reg.
3360 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3361
3362 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3363
3364 * gcc.c (main): Don't consider linker options when issuing the
3365 warning about a linker input file not being used.
3366
3367 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3368
3369 * tree-vrp.c (compare_names): Initialize sop.
3370
3371 2007-05-30 Dirk Mueller <dmueller@suse.de>
3372
3373 * cgraphunit.c (cgraph_analyze_function): Remove
3374 computation of inline parameters.
3375
3376 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3377
3378 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
3379
3380 2007-05-30 Richard Sandiford <richard@codesourcery.com>
3381
3382 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
3383 Add vx-common.h. Include vxworks.h between vx-common.h and
3384 arm/vxworks.h.
3385 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
3386 redefining.
3387 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
3388 (TARGET_ASM_DESTRUCTOR): Likewise.
3389 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
3390 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
3391 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3392 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
3393 (VXWORKS_ENDIAN_SPEC): Define.
3394 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
3395 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
3396 VXWORKS_* equivalents.
3397 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
3398 (ASM_FILE_START): Delete.
3399 (TARGET_VERSION): Reformat.
3400 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
3401 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
3402 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3403 (FPBIT, DPBIT): Define.
3404 (fp-bit.c, dp-bit.c): New rules.
3405 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
3406 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
3407 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
3408 * config/arm/arm.h: Include vxworks-dummy.h.
3409 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
3410 Mark with ATTRIBUTE_UNUSED.
3411 (arm_override_options): Do not allow VxWorks RTP PIC to be used
3412 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
3413 make it incompatible with -msingle-pic-base.
3414 (arm_function_ok_for_sibcall): Return false for calls that might
3415 go through a VxWorks PIC PLT entry.
3416 (require_pic_register): New function, split out from...
3417 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
3418 for VxWorks RTPs.
3419 (arm_load_pic_register): Handle the VxWorks RTP initialization
3420 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
3421 (arm_emit_call_insn): New function.
3422 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
3423 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
3424 (pic_offset_arm): New pattern.
3425 (call, call_value): Use arm_emit_call_insn.
3426 (call_internal, call_value_internal): New expanders.
3427 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
3428 VxWorks unless __PIC__.
3429
3430 2007-05-30 Eric Christopher <echristo@gmail.com>
3431
3432 * genrecog.c: Include regs.h in generated file.
3433 * genemit.c: Ditto. Fix up formatting.
3434 * config/mn10300/constraints.md: New.
3435 * config/mn10300/mn10300.md: Include.
3436 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
3437 Fix up for removed macro.
3438 * config/mn10300/predicates.md (call_address_operand): Ditto.
3439 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
3440 (CONST_OK_FOR_I): Ditto.
3441 (CONST_OK_FOR_J): Ditto.
3442 (CONST_OK_FOR_K): Ditto.
3443 (CONST_OK_FOR_L): Ditto.
3444 (CONST_OK_FOR_M): Ditto.
3445 (CONST_OK_FOR_N): Ditto.
3446 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
3447 (OK_FOR_Q): Ditto.
3448 (OK_FOR_R): Ditto.
3449 (OK_FOR_T): Ditto.
3450 (EXTRA_CONSTRAINT): Ditto.
3451
3452 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3453
3454 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
3455 Remove defines.
3456 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
3457 OPTION_MASK_ISA_64BIT.
3458 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
3459
3460 2007-05-30 Richard Guenther <rguenther@suse.de>
3461
3462 PR middle-end/32152
3463 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
3464 types for comparison.
3465 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
3466 with original typed arguments.
3467 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
3468
3469 2007-05-30 Jakub Jelinek <jakub@redhat.com>
3470
3471 PR tree-optimization/31769
3472 * except.c (duplicate_eh_regions): Clear prev_try if
3473 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
3474
3475 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3476
3477 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
3478 * tree-ssa-sink.c (statement_sink_location): Return basic block and
3479 bsi of the location where statements should be inserted.
3480 (sink_code_in_bb): Take bsi from statement_sink_location.
3481 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
3482 instead of bsi_start.
3483 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
3484 bsi_insert_after.
3485 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
3486 (bsi_move_before): Document inconsistency with bsi_move_after.
3487 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
3488
3489 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3490
3491 * config/i386/i386.h (TARGET_ABM): New define.
3492 (TARGET_POPCNT): Ditto.
3493 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
3494 New temporary defines to redefine from OPTION_ISA_* defines.
3495 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
3496 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
3497 (ix86_isa_flags): New extern int declaration.
3498 (TARGET_SUBTARGET_DEFAULT): New define.
3499 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
3500 (TARGET_SUBTARGET32_DEFAULT): Ditto.
3501 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
3502 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3503 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
3504 * config/i386/darwin.h: Change TARGET_64BIT define to
3505 OPTION_ISA_64BIT.
3506
3507 * config/i386/i386.opt (m3dnowa): Define as undocumented option
3508 using existing "ix86_isa_flags" varible.
3509 (m32, m64): Use existing "ix86_isa_flags" variable.
3510 (mmmx, m3dnow): Ditto.
3511 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
3512 (mabm): Define as non-negative option using "x86_abm" variable.
3513 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
3514
3515 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
3516 Rewrite feature test bitmap.
3517 (ix86_isa_flags): New initialized global int varible.
3518 (ix86_isa_flags_explicit): New static int variable.
3519 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
3520 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
3521 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
3522 target_flags_explicit.
3523 (override_options): Remove "target_enable" and "target_disable" fields
3524 from "struct ptt". Update processor_target_table accordingly. Remove
3525 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
3526 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
3527 "target_flags" and "ix86_isa_flags_explicit" instead of
3528 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
3529 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
3530 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
3531 to true when either of PTA_POPCNT or PTA_ABM is set in
3532 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
3533 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
3534 processor_alias_table flags entry. Remove handling of
3535 "target_enable" and "target_disable" fields of processor_target_table.
3536 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
3537 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
3538 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
3539 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
3540 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
3541 "target_flags".
3542 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
3543
3544 2007-05-29 David Daney <ddaney@avtrex.com>
3545
3546 PR gcc/31975
3547 * config/mips/mips.c (mips_output_mi_thunk): Emit
3548 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
3549
3550 2007-05-29 Hui-May Chang <hm.chang@apple.com>
3551 * config/i386/i386.c (ix86_function_regparm): Added checking of
3552 ix86_force_align_arg_pointer to determine the number of
3553 register parameters.
3554
3555 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
3556
3557 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
3558 (SET_DR_MISALIGNMENT): New.
3559 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
3560 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
3561 Use SET_DR_MISALIGNMENT.
3562 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
3563 pointer.
3564 * tree-data-ref.c (create_data_ref, compute_all_dependences,
3565 find_loop_nest): Export.
3566 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
3567 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
3568 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
3569 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
3570 New macros.
3571 (struct mem_ref): Add field reuse_distance.
3572 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
3573 Initialize reuse_distance field.
3574 (issue_prefetch_ref): Select temporality of prefetch according to
3575 reuse_distance.
3576 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
3577 self_reuse_distance, determine_loop_nest_reuse): New functions.
3578 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
3579 (tree_ssa_prefetch_arrays): Dump L2 cache size.
3580 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
3581 dependency.
3582
3583 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
3584
3585 * tree-ssa-alias.c: Add aliasing overview.
3586
3587 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
3588 Danny Smith <dannysmith@users.sourceforge.net>
3589
3590 PR target/29498
3591 * config/i386/t-crtfm: Compile crtfastmath.o with
3592 -minline-all-stringops.
3593 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
3594 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
3595
3596 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3597
3598 * doc/md.texi: Document constraints on HP PA-RISC.
3599
3600 * pa/constraints.md: New file.
3601 * pa.md: Include constraints.md.
3602 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
3603 (integer_store_memory_operand, ldil_cint_p): New functions.
3604 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
3605 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
3606 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
3607 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
3608 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
3609
3610 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
3611
3612 PR c/31339
3613 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
3614 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
3615 case POSTDECREMENT_EXPR>): Return the error_mark_node
3616 if either the real or imaginary parts would an
3617 error_mark_node.
3618
3619 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
3620
3621 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
3622 name when we remove it from a call.
3623
3624 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
3625
3626 * targhooks.c (default_narrow_bitfield): Remove.
3627 * targhooks.h: Remove the prototype for
3628 default_narrow_bitfield.
3629
3630 * langhooks-def.h: Remove the prototype for
3631 hook_get_alias_set_0.
3632 * langhooks.c (hook_get_alias_set_0): Remove.
3633
3634 * global.c (EXECUTE_IF_CONFLICT): Remove.
3635
3636 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3637
3638 PR tree-opt/32100
3639 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
3640 return true when truth_value_p is true and the type
3641 is of signed:1.
3642
3643 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
3644
3645 * doc/install.texi (Prerequisites): We no longer require Autoconf
3646 2.13 for the top-level.
3647
3648 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
3649
3650 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
3651 memory access via x86_expand_vector_move_misalign() only for
3652 TImode values on 32-bit targets.
3653
3654 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
3655
3656 * matrix-reorg.c: New file. Implement matrix flattening and
3657 transposing optimization.
3658 * tree-pass.h: Add matrix reorg pass.
3659 * common.opt: Add fipa-mreorg flag.
3660 * Makefile.in: Add matrix-reorg.c.
3661 * passes.c: Add matrix reorg pass.
3662 * varpool.c (add_new_static_var): New function.
3663 * cgraph.h (add_new_static_var): Declare.
3664
3665 2007-05-27 Eric Christopher <echristo@apple.com>
3666
3667 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
3668 sp_offset depending on stack size. Save r12 depending
3669 on registers we're saving later.
3670 (rs6000_emit_epilogue): Update sp_offset depending only
3671 on stack size.
3672
3673 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
3674
3675 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
3676 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3677 * ifcvt.c (if_convert): Ditto.
3678 * tree-ssa-threadupdate.c (thread_block): Ditto.
3679 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
3680 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
3681 verify_loop_closed_ssa): Check number_of_loops instead of
3682 current_loops.
3683 * predict.c (tree_estimate_probability): Ditto.
3684 * tree-if-conv.c (main_tree_if_conversion): Ditto.
3685 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3686 * modulo-sched.c (sms_schedule): Ditto.
3687 * tree-scalar-evolution.c (scev_const_prop): Ditto.
3688 (scev_finalize): Do not do anything if scev analysis was not
3689 initialized.
3690 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
3691 current_loops == NULL.
3692 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
3693 * loop-init.c (loop_optimizer_init): Do not free current_loops when
3694 there are no loops.
3695 (loop_optimizer_finalize): Assert that loops were analyzed.
3696 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
3697 rtl_doloop): Check number_of_loops instead of current_loops.
3698 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
3699 current_loops == NULL.
3700 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
3701 gate_tree_vectorize tree_linear_transform, check_data_deps,
3702 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3703 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
3704 Check number_of_loops instead of current_loops.
3705 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
3706 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
3707 free loops if available.
3708 (execute_pre): Do not pass do_fre to fini_pre.
3709
3710 2007-05-27 Tobias Burnus <burnus@net-b.de>
3711
3712 PR middle-end/32083
3713 * real.c (mpfr_from_real): Fix sign of -Inf.
3714
3715 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
3716
3717 * tree-vect-transform.c (vectorizable_conversion): Initialize
3718 tree_code variables to ERROR_MARK.
3719 (vectorizable_type_demotion): Likewise.
3720 (vectorizable_type_promotion): Likewise.
3721
3722 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3723
3724 PR target/32065
3725 * config/i386/i386.md (movti): Handle push operands via
3726 ix86_expand_push().
3727
3728 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3729
3730 * basic-block.h: Remove the prototype for merge_seq_blocks.
3731 * cfgcleanup.c (merge_seq_blocks): Remove.
3732
3733 * tree-flow.h: Remove the prototype for is_aliased_with.
3734 * tree-ssa-alias.c (is_aliased_with): Remove.
3735
3736 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
3737
3738 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
3739
3740 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
3741
3742 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
3743 ix86_expand_sse4_unpack if SSE4.1 is enabled.
3744 (vec_unpacks_hi_v16qi): Likewise.
3745 (vec_unpacku_lo_v16qi): Likewise.
3746 (vec_unpacks_lo_v16qi): Likewise.
3747 (vec_unpacku_hi_v8hi): Likewise.
3748 (vec_unpacks_hi_v8hi): Likewise.
3749 (vec_unpacku_lo_v8hi): Likewise.
3750 (vec_unpacks_lo_v8hi): Likewise.
3751 (vec_unpacku_hi_v4si): Likewise.
3752 (vec_unpacks_hi_v4si): Likewise.
3753 (vec_unpacku_lo_v4si): Likewise.
3754 (vec_unpacks_lo_v4si): Likewise.
3755
3756 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3757
3758 * c-typeck.c, config/arm/arm.c, config/darwin.c,
3759 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
3760 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
3761 follow spelling conventions in various
3762 warning/error/diagnostic messages.
3763
3764 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
3765 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
3766 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
3767 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
3768 tree-vrp.c: Fix comment typos. Follow spelling conventions.
3769 * doc/tm.texi: Follow spelling conventions.
3770
3771 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3772
3773 PR tree-opt/32090
3774 * tree-ssa-forwprop.c
3775 (forward_propagate_addr_into_variable_array_index): Remove
3776 the lhs argument. Use the type of def_rhs instead of lhs.
3777 (forward_propagate_addr_expr_1): Update use of
3778 forward_propagate_addr_into_variable_array_index.
3779
3780 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
3781 Nigel Stephens <nigel@mips.com>
3782
3783 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
3784 function attributes, "far" being an alias for "long_call".
3785 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
3786 (mips_near_type_p, mips_far_type_p): New.
3787 (mips_comp_type_attributes): New function to check that attributes
3788 attached to a function type are compatible.
3789 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
3790 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
3791 to the target function of the thunk.
3792 (mips_encode_section_info): Check for "near" and "far" function
3793 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
3794
3795 * config/mips/predicates.md (const_call_insn_operand): Test only
3796 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
3797
3798 * doc/extend.texi (Function Attributes): Document MIPS "near" and
3799 "far" attributes.
3800
3801 * testsuite/gcc.target/mips/near-far-1.c: New test case.
3802 * testsuite/gcc.target/mips/near-far-2.c: New test case.
3803 * testsuite/gcc.target/mips/near-far-3.c: New test case.
3804 * testsuite/gcc.target/mips/near-far-4.c: New test case.
3805
3806 2007-05-25 Eric Christopher <echristo@apple.com>
3807
3808 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
3809 to x86-darwin configurations.
3810 * config/i386/t-darwin: Add softfp support.
3811 * config/i386/t-darwin64: Ditto.
3812 * config/i386/sfp-machine.h: If mach then don't use
3813 aliasing, emit a stub to call.
3814
3815 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
3816
3817 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
3818 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
3819 tree-predcom.c, tree-ssa-alias-warnings.c,
3820 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
3821 comment typos. Follow spelling conventions.
3822 * doc/cpp.texi, doc/invoke.texi: Fix typos.
3823
3824 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3825
3826 PR target/32065
3827 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
3828 constants into memory. Expand unaligned memory references for
3829 SSE modes via x86_expand_vector_move_misalign() function.
3830
3831 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
3832
3833 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
3834 "memory" attribute for "sseishft" type insn without operands[2].
3835
3836 2007-05-25 Dirk Mueller <dmueller@suse.de>
3837 Marcus Meissner <meissner@suse.de>
3838
3839 * doc/extend.texi (alloc_size): New attribute.
3840 * c-common.c (handle_alloc_size_attribute): New.
3841 * tree-object-size.c (alloc_object_size): Use alloc_size
3842 attribute, if available.
3843
3844 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3845
3846 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
3847 with MASK_SSE2.
3848 (__builtin_ia32_vec_ext_v2di): Likewise.
3849 (__builtin_ia32_vec_ext_v4si): Likewise.
3850 (__builtin_ia32_vec_ext_v8hi): Likewise.
3851 (__builtin_ia32_vec_ext_v16qi): Likewise.
3852 (__builtin_ia32_vec_set_v8hi): Likewise.
3853
3854 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3855
3856 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
3857
3858 2007-05-25 Richard Sandiford <richard@codesourcery.com>
3859
3860 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
3861 (arm_is_longcall_p): Rename to...
3862 (arm_is_long_call_p): ...this. Take a single tree argument and
3863 return a bool.
3864 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
3865 (CUMULATIVE_ARGS): Remove call_cookie.
3866 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
3867 (ENCODED_LONG_CALL_ATTR_P): Delete.
3868 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
3869 LONG_CALL_FLAG_CHAR cases.
3870 (ARM_DECLARE_FUNCTION_SIZE): Delete.
3871 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
3872 ARM_DECLARE_FUNCTION_SIZE.
3873 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
3874 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
3875 (arm_encode_call_attribute, current_file_function_operand): Delete.
3876 (arm_function_in_section_p): New function.
3877 (arm_is_longcall_p): Rename to...
3878 (arm_is_long_call_p): ...this. Take the target function as a single
3879 argument and return a bool. Do not rely on call cookies. Check
3880 whether the target symbol is in the same section as the current
3881 function, not just the same compilation unit.
3882 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
3883 (arm_encode_section_info): Don't encode a call type.
3884 * config/arm/arm.md (call, call_value): Update calls to
3885 arm_is_long(_)call_p. Simplify logic.
3886 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
3887 Update calls to arm_is_long(_)call_p.
3888
3889 2007-05-25 Richard Guenther <rguenther@suse.de>
3890
3891 PR tree-optimization/31982
3892 * tree-ssa-forwprop.c
3893 (forward_propagate_addr_into_variable_array_index): Handle arrays
3894 with element size one.
3895
3896 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3897
3898 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
3899 (umulsi3_highpart): Likewise.
3900
3901 2007-05-24 Ian Lance Taylor <iant@google.com>
3902
3903 PR rtl-optimization/32069
3904 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
3905 is NULL.
3906
3907 2007-05-24 Ollie Wild <aaw@google.com>
3908
3909 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
3910 description.
3911
3912 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
3913
3914 * postreload-gcse.c (reg_changed_after_insn_p): New function.
3915 (oprs_unchanged_p): Use it to check all registers in a REG.
3916 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
3917 (reg_set_between_after_reload_p): Delete.
3918 (reg_used_between_after_reload_p): Likewise.
3919 (reg_set_or_used_since_bb_start): Likewise.
3920 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
3921 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
3922 Use reg_set_between_p instead of reg_set_between_after_reload_p.
3923 * rtlanal.c (reg_set_p): Check whether REG overlaps
3924 regs_invalidated_by_call, rather than just checking the
3925 membership of REGNO (REG).
3926
3927 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3928
3929 * doc/passes.texi: Document predictive commoning.
3930 * doc/invoke.texi (-fpredictive-commoning): Document.
3931 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
3932 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
3933 adding indices to the generated name.
3934 (schedule_sm): Pass 0 to get_lsm_tmp_name.
3935 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
3936 * tree-pretty-print.c (op_symbol_1): Renamed to ...
3937 (op_symbol_code): ... and exported.
3938 (dump_omp_clause, op_symbol): Use op_symbol_code
3939 instead of op_symbol_1.
3940 * tree-pass.h (pass_predcom): Declare.
3941 * timevar.def (TV_PREDCOM): New timevar.
3942 * tree-ssa-loop.c (run_tree_predictive_commoning,
3943 gate_tree_predictive_commoning, pass_predcom): New.
3944 * tree-data-ref.c (find_data_references_in_loop): Find the
3945 references in dominance order.
3946 (canonicalize_base_object_address): Ensure that the result has
3947 pointer type.
3948 (dr_analyze_innermost): Export.
3949 (create_data_ref): Code to fail for references with invariant
3950 address moved ...
3951 (find_data_references_in_stmt): ... here.
3952 * tree-data-ref.h (dr_analyze_innermost): Declare.
3953 * tree-affine.c: Include tree-gimple.h and hashtab.h.
3954 (aff_combination_find_elt, name_expansion_hash,
3955 name_expansion_eq, tree_to_aff_combination_expand,
3956 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
3957 New functions.
3958 * tree-affine.h (aff_combination_constant_multiple_p,
3959 tree_to_aff_combination_expand): Declare.
3960 * tree-predcom.c: New file.
3961 * common.opt (fpredictive-commoning): New option.
3962 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
3963 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
3964 * Makefile.in (tree-predcom.o): Add.
3965 (tree-affine.o): Add TREE_GIMPLE_H dependency.
3966 * passes.c (init_optimization_passes): Add dceloop after
3967 copy propagation in loop optimizer. Add predictive commoning
3968 to loop optimizer passes.
3969
3970 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3971
3972 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
3973 default hook.
3974
3975 2007-05-24 Jan Hubicka <jh@suse.cz>
3976
3977 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
3978 statistics.
3979 (genheader): Include statistics.h.
3980
3981 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
3982 notes are gone.
3983 * print-rtl.c (flag_dump_unnumbered): Update comments.
3984 (print_rtl): Fix my previous change.
3985 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
3986 specific data.
3987
3988 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3989
3990 PR middle-end/32018
3991 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
3992 set_loop_copy.
3993 (thread_through_all_blocks): Call initialize_original_copy_tables
3994 and free_original_copy_tables.
3995 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
3996 Use set_loop_copy.
3997 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
3998 * cfghooks.c (duplicate_block): Use get_loop_copy.
3999 * cfg.c: Include cfgloop.h.
4000 (loop_copy): New hash table.
4001 (initialize_original_copy_tables): Initialize loop_copy table.
4002 (free_original_copy_tables): Free loop_copy table.
4003 (copy_original_table_clear, copy_original_table_set,
4004 set_loop_copy, get_loop_copy): New functions.
4005 (set_bb_original, set_bb_copy): Use copy_original_table_set.
4006 * cfgloop.h (struct loop): Remove copy field.
4007 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
4008 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
4009
4010 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4011
4012 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
4013 -msse/-msse2/-msse3.
4014
4015 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4016
4017 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
4018 __builtin_ia32_vec_set_v2di with MASK_64BIT.
4019
4020 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
4021
4022 PR target/27067
4023 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
4024 * targhooks.h (default_mangle_decl_assembler_name): Declare
4025 default hook.
4026 * targhooks.c (default_mangle_decl_assembler_name): Define
4027 default hook.
4028 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
4029 default hook.
4030 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
4031 * langhooks.c (lhd_set_decl_assembler_name): Call
4032 targetm.mangle_decl_assembler_name for names with global scope.
4033
4034 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
4035 default.
4036 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
4037 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
4038 Declare.
4039 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
4040 New. Factored out of i386_pe_encode_section_info.
4041 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
4042 Move check for prior decoration of stdcall
4043 symbols to i386_pe_encode_section_info.
4044 (i386_pe_encode_section_info): Adjust call to
4045 gen_stdcall_or_fastcall_suffix. Use
4046 i386_pe_maybe_mangle_decl_assembler_name, if needed.
4047 (i386_pe_mangle_decl_assembler_name): New. Wrap
4048 i386_pe_maybe_mangle_decl_assembler_name.
4049
4050 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
4051
4052 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
4053 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
4054 * langhooks.c (get_signed_or_unsigned_type): Don't check for
4055 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
4056 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
4057 TYPE_UNSIGNED.
4058
4059 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
4060 Nigel Stephens <nigel@mips.com>
4061 Richard Sandiford <richard@codesourcery.com>
4062
4063 Fix up MIPS16 hard float and add support for complex.
4064
4065 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
4066 (TARGET_SOFT_FLOAT_ABI): New.
4067 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
4068 __mips_soft_float to reflect the ABI in use, not whether the
4069 FPU is directly accessible (e.g., in MIPS16 mode).
4070 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
4071 (UNITS_PER_FPVALUE): Likewise.
4072
4073 * config/mips/mips.c (mips_expand_call): Remove redundant
4074 TARGET_MIPS16 check.
4075 (mips_arg_regno): New.
4076 (function_arg_advance): When setting bits in cum->fp_code for
4077 MIPS16, don't subtract 1 from cum->arg_number, since it is now
4078 zero-based.
4079 (function_arg): Use mips_arg_regno.
4080 (mips_return_mode_in_fpr_p): New.
4081 (mips16_call_stub_mode_suffix): New.
4082 (mips16_cfun_returns_in_fpr_p): New.
4083 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
4084 (mips_output_function_prologue): Test mips16_hard_float, not
4085 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
4086 (mips_expand_epilogue): Call MIPS16 helper routines to copy
4087 return value into a floating-point register.
4088 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
4089 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
4090 (mips16_fp_args): Handle MIPS32r2 ISA which supports
4091 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
4092 word of double arguments from or to the high bits of 64-bit
4093 floating point registers.
4094 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
4095 (mips16_fpret_double): New helper function.
4096 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
4097 support for complex modes. Fill in DECL_RESULT for stubdecl.
4098 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
4099
4100 * config/mips/mips16.S
4101 (RET, ARG1, ARG2): New.
4102 (MERGE_GPRf, MERGE_GPRt): New.
4103 (DELAYt, DELAYf): New.
4104 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
4105 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
4106 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
4107 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
4108 (SFOP): Renamed to...
4109 (OPSF3): This, and macro-ified. Updated all uses.
4110 (SFOP2): Renamed to...
4111 (OPSF2): This, and macro-ified. Updated all uses.
4112 (SFCMP): Renamed to...
4113 (CMPSF): This, and macro-ified. Updated all uses.
4114 (SFREVCMP): Renamed to...
4115 (REVCMPSF): This, and macro-ified. Updated all uses.
4116 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
4117 (LDDBL1, LDDBL2, RETDBL): Deleted.
4118 (DFOP): Renamed to...
4119 (OPDF3): This, and macro-ified. Updated all uses.
4120 (DFOP2): Renamed to...
4121 (OPDF2): This, and macro-ified. Updated all uses.
4122 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
4123 (DFCMP): Renamed to...
4124 (CMPDF): This, and macro-ified. Updated all uses.
4125 (DFREVCMP): Renamed to...
4126 (REVCMPDF): This, and macro-ified. Updated all uses.
4127 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
4128 (RET_FUNCTION): New.
4129 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
4130 (__mips16_ret_sc, __mips16_ret_dc): New.
4131 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
4132 STUB_ARGS_6, STUB_ARGS_10): New.
4133 (CALL_STUB_NO_RET): New.
4134 (__mips16_call_stub_1): Macro-ified.
4135 (__mips16_call_stub_5): Macro-ified.
4136 (__mips16_call_stub_2): Macro-ified.
4137 (__mips16_call_stub_6): Macro-ified.
4138 (__mips16_call_stub_9): Macro-ified.
4139 (__mips16_call_stub_10): Macro-ified.
4140 (CALL_STUB_RET): New.
4141 (__mips16_call_stub_sf_0): Macro-ified.
4142 (__mips16_call_stub_sf_1): Macro-ified.
4143 (__mips16_call_stub_sf_5): Macro-ified.
4144 (__mips16_call_stub_sf_2): Macro-ified.
4145 (__mips16_call_stub_sf_6): Macro-ified.
4146 (__mips16_call_stub_sf_9): Macro-ified.
4147 (__mips16_call_stub_sf_10): Macro-ified.
4148 (__mips16_call_stub_df_0): Macro-ified.
4149 (__mips16_call_stub_df_1): Macro-ified.
4150 (__mips16_call_stub_df_5): Macro-ified.
4151 (__mips16_call_stub_df_2): Macro-ified.
4152 (__mips16_call_stub_df_6): Macro-ified.
4153 (__mips16_call_stub_df_9): Macro-ified.
4154 (__mips16_call_stub_df_10): Macro-ified.
4155 (__mips16_call_stub_sc_0): New.
4156 (__mips16_call_stub_sc_1): New.
4157 (__mips16_call_stub_sc_5): New.
4158 (__mips16_call_stub_sc_2): New.
4159 (__mips16_call_stub_sc_6): New.
4160 (__mips16_call_stub_sc_9): New.
4161 (__mips16_call_stub_sc_10): New.
4162 (__mips16_call_stub_dc_0): New.
4163 (__mips16_call_stub_dc_1): New.
4164 (__mips16_call_stub_dc_5): New.
4165 (__mips16_call_stub_dc_2): New.
4166 (__mips16_call_stub_dc_6): New.
4167 (__mips16_call_stub_dc_9): New.
4168 (__mips16_call_stub_dc_10): New.
4169
4170 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
4171 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
4172 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
4173
4174 2007-05-23 Ian Lance Taylor <iant@google.com>
4175
4176 * doc/invoke.texi (Invoking GCC): Document that the order of the
4177 -l option matters.
4178
4179 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
4180
4181 PR target/30987
4182 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
4183 * config/score/predicate.md (const_pow2, const_npow2): Remove.
4184 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
4185 undef.
4186
4187 PR target/30474
4188 * config/score/score.c (score_print_operand): Make sure that only
4189 lower bits are used.
4190
4191 2007-05-22 Ian Lance Taylor <iant@google.com>
4192
4193 * tree-vrp.c (avoid_overflow_infinity): New static function,
4194 broken out of set_value_range_to_value.
4195 (set_value_range_to_value): Call avoid_overflow_infinity.
4196 (extract_range_from_assert): Likewise.
4197
4198 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
4199
4200 PR middle-end/31095
4201 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
4202 change the type before looking for a COMPOUND_EXPR.
4203
4204 2007-05-22 Ian Lance Taylor <iant@google.com>
4205
4206 * lower-subreg.c (decompose_multiword_subregs): If we change an
4207 insn, call remove_retval_note on it.
4208
4209 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4210
4211 * regs.h (end_hard_regno): New function.
4212 (END_HARD_REGNO, END_REGNO): New macros.
4213 (add_to_hard_reg_set): New function.
4214 (remove_from_hard_reg_set): Likewise.
4215 (in_hard_reg_set_p): Likewise.
4216 (overlaps_hard_reg_set_p): Likewise.
4217 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
4218 (note_btr_set): Use END_HARD_REGNO.
4219 * caller-save.c (setup_save_areas): Use end_hard_regno.
4220 (mark_set_regs): Use END_HARD_REGNO.
4221 (add_stored_regs): Use end_hard_regno.
4222 (mark_referenced_regs): Use add_to_hard_reg_set.
4223 * combine.c (update_table_tick): Use END_REGNO.
4224 (record_value_for_reg): Likewise.
4225 (record_dead_and_set_regs): Likewise.
4226 (get_last_value_validate): Likewise.
4227 (use_crosses_set_p): Likewise.
4228 (reg_dead_at_p_1): Likewise.
4229 (reg_dead_at_p): Likewise.
4230 (mark_used_regs_combine): Use add_to_hard_reg_set.
4231 (move_deaths): Use END_HARD_REGNO.
4232 (reg_bitfield_target_p): Use end_hard_regno.
4233 (distribute_notes): Use END_HARD_REGNO.
4234 * cse.c (mention_regs): Use END_REGNO.
4235 (insert): Use add_to_hard_reg_set.
4236 (invalidate): Use END_HARD_REGNO.
4237 (invalidate_for_call): Likewise.
4238 (exp_equiv_p): Use END_REGNO.
4239 (cse_insn): Likewise.
4240 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
4241 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
4242 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
4243 * function.c (keep_stack_depressed): Use end_hard_regno.
4244 * global.c (global_alloc): Use end_hard_regno.
4245 (global_conflicts): Use add_to_hard_reg_set instead of
4246 mark_reg_live_nc.
4247 (find_reg): Likewise.
4248 (mark_reg_store): Likewise.
4249 (mark_reg_conflicts): Likewise.
4250 (mark_reg_death): Use remove_from_hard_reg_set.
4251 (mark_reg_live_nc): Delete.
4252 (set_preference): Use end_hard_regno.
4253 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
4254 remove_from_hard_reg_set.
4255 (post_mark_life): Use add_to_hard_reg_set.
4256 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
4257 (reg_becomes_live): Use add_to_hard_reg_set.
4258 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
4259 (peep2_find_free_register): Use add_to_hard_reg_set.
4260 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
4261 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
4262 * regrename.c (note_sets): Use add_to_hard_reg_set.
4263 (clear_dead_regs): Use remove_from_hard_reg_set.
4264 (regrename_optimize): Use add_to_hard_reg_set.
4265 (find_oldest_value_reg): Use in_hard_reg_set_p.
4266 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
4267 (hard_reg_set_here_p): Use end_hard_regno.
4268 (decompose): Likewise.
4269 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
4270 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
4271 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
4272 (mark_home_live): Use end_hard_regno.
4273 (spill_hard_reg): Likewise.
4274 (clear_reload_reg_in_use): Likewise.
4275 * reorg.c (delete_prior_computation): Use END_REGNO.
4276 * resource.c (update_live_status): Use END_HARD_REGNO.
4277 (mark_referenced_resources): Use add_to_hard_reg_set.
4278 (mark_set_resources): Likewise.
4279 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
4280 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
4281 (reg_overlap_mentioned_p): Likewise.
4282 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
4283 (covers_regno_no_parallel_p): Use END_REGNO.
4284 (find_regno_note): Likewise.
4285 (find_reg_fusage): Use END_HARD_REGNO.
4286 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
4287 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
4288
4289 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4290
4291 * mode-switching.c (reg_dies): Change type of second argument to
4292 "HARD_REG_SET *".
4293 (optimize_mode_switching): Update accordingly.
4294
4295 2007-05-22 Richard Sandiford <richard@codesourcery.com>
4296
4297 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
4298 in favor of...
4299 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
4300 (hard_reg_set_empty_p): ...these new functions.
4301 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
4302 GO_IF_HARD_REG_SUBSET.
4303 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
4304 instead of GO_IF_HARD_REG_EQUAL.
4305 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
4306 instead of GO_IF_HARD_REG_EQUAL.
4307 * global.c (find_reg): Use hard_reg_set_empty_p instead of
4308 GO_IF_HARD_REG_SUBSET.
4309 (modify_reg_pav): Use hard_reg_set_empty_p instead of
4310 GO_IF_HARD_REG_EQUAL.
4311 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
4312 of GO_IF_HARD_REG_SUBSET.
4313 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
4314 instead of GO_IF_HARD_REG_EQUAL.
4315 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
4316 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
4317 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
4318 of GO_IF_HARD_REG_SUBSET,
4319 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
4320 GO_IF_HARD_REG_SUBSET.
4321 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
4322 instead of GO_IF_HARD_REG_EQUAL.
4323 * config/sh/sh.c (push_regs, calc_live_regs): Use
4324 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
4325 (hard_regs_intersect_p): Delete.
4326
4327 2007-05-22 Janis Johnson <janis187@us.ibm.com>
4328
4329 * doc/sourcebuild.texi (Test Directives) Add dg-message.
4330
4331 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
4332 Richard Henderson <rth@redhat.com>
4333
4334 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
4335 extra_headers.
4336 (x86_64-*-*): Likewise.
4337
4338 * i386/i386-modes.def (V2QI): New.
4339
4340 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
4341 SSE4A.
4342 (override_options): Support SSE4.1.
4343 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
4344 (IX86_BUILTIN_BLENDPS): Likewise.
4345 (IX86_BUILTIN_BLENDVPD): Likewise.
4346 (IX86_BUILTIN_BLENDVPS): Likewise.
4347 (IX86_BUILTIN_PBLENDVB128): Likewise.
4348 (IX86_BUILTIN_PBLENDW128): Likewise.
4349 (IX86_BUILTIN_DPPD): Likewise.
4350 (IX86_BUILTIN_DPPS): Likewise.
4351 (IX86_BUILTIN_INSERTPS128): Likewise.
4352 (IX86_BUILTIN_MOVNTDQA): Likewise.
4353 (IX86_BUILTIN_MPSADBW128): Likewise.
4354 (IX86_BUILTIN_PACKUSDW128): Likewise.
4355 (IX86_BUILTIN_PCMPEQQ): Likewise.
4356 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
4357 (IX86_BUILTIN_PMAXSB128): Likewise.
4358 (IX86_BUILTIN_PMAXSD128): Likewise.
4359 (IX86_BUILTIN_PMAXUD128): Likewise.
4360 (IX86_BUILTIN_PMAXUW128): Likewise.
4361 (IX86_BUILTIN_PMINSB128): Likewise.
4362 (IX86_BUILTIN_PMINSD128): Likewise.
4363 (IX86_BUILTIN_PMINUD128): Likewise.
4364 (IX86_BUILTIN_PMINUW128): Likewise.
4365 (IX86_BUILTIN_PMOVSXBW128): Likewise.
4366 (IX86_BUILTIN_PMOVSXBD128): Likewise.
4367 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
4368 (IX86_BUILTIN_PMOVSXWD128): Likewise.
4369 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
4370 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
4371 (IX86_BUILTIN_PMOVZXBW128): Likewise.
4372 (IX86_BUILTIN_PMOVZXBD128): Likewise.
4373 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
4374 (IX86_BUILTIN_PMOVZXWD128): Likewise.
4375 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
4376 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
4377 (IX86_BUILTIN_PMULDQ128): Likewise.
4378 (IX86_BUILTIN_PMULLD128): Likewise.
4379 (IX86_BUILTIN_ROUNDPD): Likewise.
4380 (IX86_BUILTIN_ROUNDPS): Likewise.
4381 (IX86_BUILTIN_ROUNDSD): Likewise.
4382 (IX86_BUILTIN_ROUNDSS): Likewise.
4383 (IX86_BUILTIN_PTESTZ): Likewise.
4384 (IX86_BUILTIN_PTESTC): Likewise.
4385 (IX86_BUILTIN_PTESTNZC): Likewise.
4386 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
4387 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
4388 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
4389 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
4390 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
4391 (bdesc_ptest): New.
4392 (bdesc_sse_3arg): Likewise.
4393 (bdesc_2arg): Likewise.
4394 (bdesc_1arg): Likewise.
4395 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
4396 with 3 args.
4397 (ix86_expand_sse_4_operands_builtin): New.
4398 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
4399 smaller than 8 bits as the 2nd arg.
4400 (ix86_expand_sse_ptest): New.
4401 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
4402 (ix86_expand_vector_set): Support SSE4.1.
4403 (ix86_expand_vector_extract): Likewise.
4404
4405 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
4406 __SSE4_1__ for -msse4.1.
4407
4408 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
4409 (UNSPEC_INSERTPS): Likewise.
4410 (UNSPEC_DP): Likewise.
4411 (UNSPEC_MOVNTDQA): Likewise.
4412 (UNSPEC_MPSADBW): Likewise.
4413 (UNSPEC_PHMINPOSUW): Likewise.
4414 (UNSPEC_PTEST): Likewise.
4415 (UNSPEC_ROUNDP): Likewise.
4416 (UNSPEC_ROUNDS): Likewise.
4417
4418 * config/i386/i386.opt (msse4.1): New for SSE4.1.
4419
4420 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
4421 (const_pow2_1_to_32768_operand): Likewise.
4422
4423 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
4424 file.
4425
4426 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
4427 SSE4.1.
4428 (sse4_1_insertps): Likewise.
4429 (*sse4_1_extractps): Likewise.
4430 (sse4_1_ptest): Likewise.
4431 (sse4_1_mulv2siv2di3): Likewise.
4432 (*sse4_1_mulv4si3): Likewise.
4433 (*sse4_1_smax<mode>3): Likewise.
4434 (*sse4_1_umax<mode>3): Likewise.
4435 (*sse4_1_smin<mode>3): Likewise.
4436 (*sse4_1_umin<mode>3): Likewise.
4437 (sse4_1_eqv2di3): Likewise.
4438 (*sse4_1_pinsrb): Likewise.
4439 (*sse4_1_pinsrd): Likewise.
4440 (*sse4_1_pinsrq): Likewise.
4441 (*sse4_1_pextrb): Likewise.
4442 (*sse4_1_pextrb_memory): Likewise.
4443 (*sse4_1_pextrw_memory): Likewise.
4444 (*sse4_1_pextrq): Likewise.
4445 (sse4_1_blendpd): Likewise.
4446 (sse4_1_blendps): Likewise.
4447 (sse4_1_blendvpd): Likewise.
4448 (sse4_1_blendvps): Likewise.
4449 (sse4_1_dppd): Likewise.
4450 (sse4_1_dpps): Likewise.
4451 (sse4_1_movntdqa): Likewise.
4452 (sse4_1_mpsadbw): Likewise.
4453 (sse4_1_packusdw): Likewise.
4454 (sse4_1_pblendvb): Likewise.
4455 (sse4_1_pblendw): Likewise.
4456 (sse4_1_phminposuw): Likewise.
4457 (sse4_1_extendv8qiv8hi2): Likewise.
4458 (*sse4_1_extendv8qiv8hi2): Likewise.
4459 (sse4_1_extendv4qiv4si2): Likewise.
4460 (*sse4_1_extendv4qiv4si2): Likewise.
4461 (sse4_1_extendv2qiv2di2): Likewise.
4462 (*sse4_1_extendv2qiv2di2): Likewise.
4463 (sse4_1_extendv4hiv4si2): Likewise.
4464 (*sse4_1_extendv4hiv4si2): Likewise.
4465 (sse4_1_extendv2hiv2di2): Likewise.
4466 (*sse4_1_extendv2hiv2di2): Likewise.
4467 (sse4_1_extendv2siv2di2): Likewise.
4468 (*sse4_1_extendv2siv2di2): Likewise.
4469 (sse4_1_zero_extendv8qiv8hi2): Likewise.
4470 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
4471 (sse4_1_zero_extendv4qiv4si2): Likewise.
4472 (*sse4_1_zero_extendv4qiv4si2): Likewise.
4473 (sse4_1_zero_extendv2qiv2di2): Likewise.
4474 (*sse4_1_zero_extendv2qiv2di2): Likewise.
4475 (sse4_1_zero_extendv4hiv4si2): Likewise.
4476 (*sse4_1_zero_extendv4hiv4si2): Likewise.
4477 (sse4_1_zero_extendv2hiv2di2): Likewise.
4478 (*sse4_1_zero_extendv2hiv2di2): Likewise.
4479 (sse4_1_zero_extendv2siv2di2): Likewise.
4480 (*sse4_1_zero_extendv2siv2di2): Likewise.
4481 (sse4_1_roundpd): Likewise.
4482 (sse4_1_roundps): Likewise.
4483 (sse4_1_roundsd): Likewise.
4484 (sse4_1_roundss): Likewise.
4485 (mulv4si3): Don't expand for SSE4.1.
4486 (smax<mode>3): Likewise.
4487 (umaxv4si3): Likewise.
4488 (uminv16qi3): Likewise.
4489 (umin<mode>3): Likewise.
4490 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
4491
4492 * doc/extend.texi: Document SSE4.1 built-in functions.
4493
4494 * doc/invoke.texi: Document -msse4.1.
4495
4496 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
4497
4498 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
4499 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
4500 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
4501 (ASM_SPEC): Add asm_pcrel_spec.
4502 (EXTRA_SPECS): Add asm_pcrel_spec.
4503
4504 2007-05-21 David Daney <ddaney@avtrex.com>
4505
4506 * doc/install.texi (Building a cross compiler): Add requirements
4507 for Java cross compiler.
4508
4509 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
4510
4511 PR middle-end/31995
4512 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
4513 Add loopno argument. Use evolution_function_is_invariant_rec_p
4514 instead of evolution_function_is_constant_p.
4515 Update calls to evolution_function_is_affine_multivariate_p.
4516 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
4517 Add loopno argument.
4518 * tree-scalar-evolution.c (gather_chrec_stats): Call
4519 evolution_function_is_affine_multivariate_p with a loop
4520 number of 0.
4521 * tree-data-ref.c (analyze_miv_subscript): Likewise.
4522 (analyze_overlapping_iterations): Likewise.
4523 (access_functions_are_affine_or_constant_p): Likewise.
4524 (build_classic_dist_vector_1): If the access functions
4525 are equal, don't do anything.
4526
4527 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
4528 Paolo Carlini <pcarlini@suse.de>
4529 Uros Bizjak <ubizjak@gmail.com>
4530
4531 * c-cppbuiltin.c (c_cpp_builtins): Define
4532 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
4533 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
4534 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
4535 * doc/cpp.texi ([Standard Predefined Macros]): Document.
4536
4537 2007-05-21 Mike Stump <mrs@apple.com>
4538
4539 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
4540 handling as well.
4541 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
4542
4543 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
4544
4545 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
4546 implementation if __OPTIMIZE__ is not defined.
4547 (_mm_alignr_pi8): Ditto.
4548 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4549 (_mm_inserti_si64): Ditto.
4550 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4551 (_mm_slli_epi16): Ditto.
4552 (_mm_slli_epi32): Ditto.
4553 (_mm_slli_epi64): Ditto.
4554 (_mm_srai_epi16): Ditto.
4555 (_mm_srai_epi32): Ditto.
4556 (_mm_srli_si128): Ditto.
4557 (_mm_slli_si128): Ditto.
4558 (_mm_srli_epi16): Ditto.
4559 (_mm_srli_epi32): Ditto.
4560 (_mm_srli_epi64): Ditto.
4561 (_mm_extract_epi16): Ditto.
4562 (_mm_insert_epi16): Ditto.
4563 (_mm_shufflehi_epi16): Ditto.
4564 (_mm_shufflelo_epi16): Ditto.
4565 (_mm_shuffle_epi32): Ditto.
4566 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
4567 (_m_pextrw): Ditto.
4568 (_mm_insert_pi16): Ditto.
4569 (_m_pinsrw): Ditto.
4570 (_mm_shuffle_pi16): Ditto.
4571 (_m_pshufw): Ditto.
4572 (_mm_shufle_ps): Ditto.
4573 (_mm_prefetch): Ditto.
4574
4575 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
4576
4577 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
4578 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
4579 * real.c (encode_i370_single, decode_i370_single,
4580 encode_i370_double, decode_i370_double): Functions removed.
4581 (i370_single_format, i370_double_format): Initializations removed.
4582 (real_maxval, round_for_format, exact_real_truncate, significand_size):
4583 Consider the log2_b field to always be one.
4584 (ieee_single_format, mips_single_format, coldfire_single_format,
4585 ieee_double_format, mips_double_format, coldfire_double_format,
4586 ieee_extended_motorola_format, ieee_extended_intel_96_format,
4587 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
4588 ibm_extended_format, mips_extended_format, ieee_quad_format,
4589 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
4590 decimal_single_format, decimal_double_format, decimal_quad_format,
4591 c4x_single_format, c4x_extended_format, real_internal_format): Remove
4592 initialization of log2_b.
4593 * real.h (i370_single_format, i370_double_format): Declarations removed.
4594 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
4595 field to always be one.
4596
4597 2007-05-21 Andreas Schwab <schwab@suse.de>
4598
4599 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
4600 NOTE_INSN_BASIC_BLOCK_P.
4601 (process_for_unwind_directive): Likewise.
4602
4603 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
4604
4605 * builtins.c (expand_builtin_setjmp_setup): Update comment.
4606 * function.h (struct function): Move va_list_gpr_size,
4607 va_list_fpr_size, function_frequency to front of bitfields. Add
4608 calls_unwind_init.
4609 (current_function_calls_unwind_init): New.
4610 * except.c (expand_builtin_unwind_init): Set
4611 current_function_calls_unwind_init not
4612 current_function_has_nonlocal_label.
4613 * reload1.c (has_nonexceptional_receiver): New.
4614 (reload): Use it and current_function_calls_unwind_init to
4615 determine whether call-saved regs must be saved.
4616
4617 2007-05-20 Jan Hubicka <jh@suse.cz>
4618
4619 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
4620 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4621 * ddg.c (create_ddg): LIkewise.
4622 * final.c (final): Remove hunk moving line numbernotes around since
4623 they are no longer present at this stage.
4624 (final_scan_insn): Use NOTE_KIND instead of
4625 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4626 (output_asm_label): Likewise.
4627 * reorg.c (dbr_schedule): Likewise.
4628 * haifa-sched.c (unlink_other_notes): Likewise.
4629 * mode-switching.c (optimize_mode_switching): Likewise.
4630 * graph.c (start_bb): Likewise.
4631 * rtl.def (NOTE): Update description.
4632 * jump.c (squeeze_notes): Delete.
4633 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
4634 NOTE_INSN_BASIC_BLOCK_P when possible.
4635 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
4636 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
4637 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4638 (dwarf2out_var_location): Likewise.
4639 * cfgbuild.c (make_edges): Likewise.
4640 (find_basic_blocks_1): Likewise.
4641 * function.c (reorder_blocks_1): Likewise.
4642 (epilogue_done): Likewise.
4643 (reposition_prologue_and_epilogue_notes): Likewise.
4644 * print-rtl.c (print_rtx): Likewise; drop code for printing line number
4645 notes.
4646 (print_rtl): Likewise.
4647 (print_rtl_single): Likewise.
4648 * gcse.c (insert_insn_start_bb): Likewise.
4649 * alias.c (init_alias_analysis): Likewise.
4650 * calls.c (fixup_tail_calls): Likewise.
4651 * except.c (sjlj_emit_function_enter): Likewise.
4652 * emit-rtl.c (add_insn_after): Likeiwse.
4653 (emit_label_before): Likewise.
4654 (emit_label_after): Likewise.
4655 (emit_note_before, emit_note_after, emit_note): Update
4656 parameter to be enum insn_note; do not deal with source
4657 files.
4658 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
4659 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
4660 when possible.
4661 (merge_blocks_move_successor_nojumps): Simplify now when
4662 we don't have BLOCK notes.
4663 (try_optimize_cfg): Likewise.
4664 * cfglayout.c (skip_insns_after_block): Likewise.
4665 (record_effective_endpoints): Likewise.
4666 (duplicate_insn_chain): Likewise.
4667 * varasm.c (output_constant_pool_1): Likewise.
4668 * sched-deps.c (sched_analyze): Likewise.
4669 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
4670 Exterminate.
4671 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
4672 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
4673 (SET_INSN_DELETED): Simplify.
4674 (NOTE_LINE_NUMBER): Exterminate.
4675 (NOTE_LINE_KIND): New.
4676 (NOTE_INSN_BASIC_BLOCK_P): Update.
4677 (enum insn_note): Simplify.
4678 (GET_NOTE_INSN_NAME) Simplify.
4679 (emit_note_before, emit_note_after, emit_note): Update prototype.
4680 (squeeze_notes): Remove.
4681 * sched-int.h (NOTE_NOT_BB_P): Update.
4682 * resource.c (mark_target_live_regs): Update.
4683 * sched-rgn.c (debug_dependencies): Update.
4684 * sched-vis.c (print_insn): Update.
4685 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
4686 * config/i386/i386.c (ix86_output_function_epilogue): Update.
4687 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
4688 (TARGET_ADJUST_UNROLL_MAX): Likewise.
4689 (split_branches): Update.
4690 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
4691 4.0.0.
4692 (sh_adjust_unroll_max): Exterminate.
4693 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
4694 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
4695 (m68hc11_reorg): Likewise.
4696 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
4697 (emit_predicate_relation_info): Update.
4698 (process_for_unwind_directive): Update.
4699 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
4700 (output_call): Update.
4701 * config/pa/pa.c (output_lbranch): Update.
4702 (output_millicode_call): Update.
4703 (output_call): Update.
4704 (pa_combine_instructions): Update.
4705 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
4706 * config/bfin/bfin.c (gen_one_bundle): Update.
4707 * cfgrtl.c (can_delete_note_p): Update.
4708 (delete_insn): Update.
4709 (rtl_merge_blocks): Update.
4710 (commit_one_edge_insertion): Update.
4711 (rtl_verify_flow_info): Update.
4712 * stmt.c (expand_case): Do not call squeeze_notes.
4713
4714 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4715
4716 PR middle-end/7651
4717 PR c++/11856
4718 PR c/12963
4719 PR c/23587
4720 PR other/29694
4721 * c.opt (Wtype-limits): New.
4722 * doc/invoke.texi (Wtype-limits): Document it.
4723 (Wextra): Enabled by -Wextra.
4724 * c-opts.c (c_common_post_options): Enabled by -Wextra.
4725 * c-common.c (shorten_compare): Warn with Wtype-limits.
4726
4727 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4728
4729 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
4730 inlined function, not as a macro.
4731 (_mm_alignr_pi8): Ditto.
4732 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4733 (_mm_inserti_si64): Ditto.
4734 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4735 (_mm_extract_epi16): Ditto.
4736 (_mm_insert_epi16): Ditto.
4737 (_mm_shufflehi_epi16): Ditto.
4738 (_mm_shufflelo_epi16): Ditto.
4739 (_mm_shuffle_epi32): Ditto.
4740 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
4741 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
4742 all functions.
4743 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
4744 float constant.
4745 (_m_to_float): Use C89 compatible assignment.
4746
4747 2007-04-20 Martin Michlmayr <tbm@cyrius.com>
4748
4749 PR target/32007
4750 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
4751
4752 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4753
4754 PR middle-end/7651
4755 * doc/invoke.texi (Wreturn-type): Complete description.
4756 (Wextra): Delete item about return-type warning.
4757 * c-decl.c: Delete redundant Wextra warning.
4758
4759 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4760
4761 PR target/31585
4762 * config/i386/pmmintrin.h: Do not include xmmintrin.h
4763 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
4764 inlined function, not as a macro.
4765 (_mm_prefetch): Ditto.
4766 (_m_pextrw): Ditto.
4767 (_mm_insert_pi16): Ditto.
4768 (_m_pinsrw): Ditto.
4769 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
4770 (_m_pshufw): Ditto. Add const to __N argument.
4771 (_mm_shufle_ps): Ditto. Add const to __mask argument.
4772 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
4773 (_mm_slli_epi32): Ditto.
4774 (_mm_srli_si128): Implement as always inlined function, not as a macro.
4775 Add __inline to function declaration.
4776 (_mm_slli_si128): Ditto.
4777
4778 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
4779
4780 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
4781 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
4782 New constants.
4783 (struct fenv): New structure.
4784 (FP_HANDLE_EXCEPTIONS): New define.
4785 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
4786 (_FP_DECL_EXP): New define.
4787 (FP_INIT_ROUNDMODE): New define.
4788 (FP_ROUNDMODE): New define.
4789
4790 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4791
4792 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
4793 (Wconversion): Update description.
4794 (Wconversion-sign): New.
4795 * c.opt (Wconversion-sign): New.
4796 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
4797 means disabled for C++. Otherwise, take the status of Wconversion.
4798 * c-common.c (conversion_warning): Warn with either Wconversion or
4799 Wconversion-sign.
4800 (warnings_for_convert_and_check): Conditions are already checked by
4801 conversion_warning.
4802 (convert_and_check): Don't check warnings if the conversion failed.
4803
4804 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
4805 Anatoly Sokolov <aesok@dol.ru>
4806
4807 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
4808 avr_epilogue_uses) : Add declaration.
4809 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
4810 * config/avr/constraints.md (R): New constraint.
4811 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
4812 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
4813 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
4814 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
4815 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
4816 call_prologue_saves, epilogue_restores, return_from_epilogue,
4817 return_from_main_epilogue, return_from_interrupt_epilogue,
4818 return_from_naked_epilogue, prologue, epilogue): New patterns.
4819 (jump): Handle symbol reference.
4820 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
4821 avr_output_function_prologue, avr_output_function_epilogue): Remove
4822 functions.
4823 (avr_init_machine_status, expand_prologue, expand_epilogue,
4824 avr_asm_function_end_prologue, avr_epilogue_uses,
4825 avr_asm_function_begin_epilogue): New functions.
4826 (prologue_size, epilogue_size, jump_tables_size): Remove global
4827 variables.
4828 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
4829 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
4830 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
4831 (avr_override_options): Initialise init_machine_status.
4832 (output_movhi): Handle all stack pointer loads.
4833 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
4834 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
4835 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
4836 (EPILOGUE_USES) Redefine.
4837 (machine_function) Declare.
4838
4839 2007-05-19 Richard Sandiford <richard@codesourcery.com>
4840
4841 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
4842 Use a single return statement.
4843
4844 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4845
4846 PR middle-end/30250
4847 * builtins.c (do_mpfr_lgamma_r): New.
4848 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
4849 * tree.h (CASE_FLT_FN_REENT): New.
4850
4851 2007-05-18 Geoffrey Keating <geoffk@apple.com>
4852
4853 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
4854 (output_die): Use 'unsigned long' with %x.
4855 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
4856 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
4857 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
4858
4859 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
4860
4861 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
4862
4863 PR target/31989
4864 PR target/31681
4865 PR target/31666
4866 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
4867 true if function has no argument.
4868
4869 2007-05-18 DJ Delorie <dj@redhat.com>
4870
4871 * config/mips/mips.c (mips_offset_within_alignment_p): New.
4872 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
4873
4874 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4875
4876 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
4877 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
4878 count_trailing_zeros.
4879 (__i386__): Implement count_leading_zeros using __builtin_clz().
4880 Implement count_trailing_zeros usign __builtin_ctz().
4881
4882 2007-05-18 Richard Sandiford <richard@codesourcery.com>
4883
4884 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
4885
4886 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4887
4888 PR middle-end/31344
4889 * expr.c (emit_move_change_mode): Change mode of push operands here.
4890
4891 2007-05-17 Ian Lance Taylor <iant@google.com>
4892
4893 PR tree-optimization/31953
4894 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
4895 Change all callers.
4896 (set_value_range_to_null): Call set_value_range_to_value.
4897 (extract_range_from_comparison): Likewise.
4898
4899 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4900
4901 * toplev.c (print_version): Output GMP/MPFR version info.
4902
4903 * builtins.c (CASE_MATHFN_REENT): New macro.
4904 (mathfn_built_in): Use it.
4905 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
4906 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
4907 BUILT_IN_LGAMMAL_R): New.
4908 * doc/extend.texi: Document new builtins.
4909
4910 PR middle-end/31796
4911 * builtins.c (do_mpfr_remquo): New.
4912 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
4913 (fold_builtin_3): Handle BUILT_IN_REMQUO.
4914
4915 PR middle-end/30251
4916 * builtins.c (fold_builtin_1): Handle y0, y1.
4917 (fold_builtin_2): Handle yn.
4918
4919 PR middle-end/30251
4920 * builtins.c (do_mpfr_bessel_n): New.
4921 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
4922 (fold_builtin_2): Handle BUILT_IN_JN.
4923
4924 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
4925
4926 PR target/31965
4927 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
4928 TYPE_PRECISION (intmax_type_node).
4929
4930 2007-05-17 Steve Ellcey <sje@cup.hp.com>
4931
4932 PR target/31850
4933 * reload.c (subst_reloads): Remove checking.
4934
4935 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4936
4937 PR rtl-optimization/31691
4938 * combine.c (simplify_set): Build a new src pattern instead of
4939 substituting its operands in the COMPARE case.
4940
4941 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4942
4943 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
4944 (execute_vrp): Preserve loops through jump threading.
4945 * tree-ssa-threadupdate.c (thread_single_edge,
4946 dbds_continue_enumeration_p, determine_bb_domination_status,
4947 thread_through_loop_header): New functions.
4948 (create_edge_and_update_destination_phis,
4949 create_edge_and_update_destination_phis): Set loops for the new blocks.
4950 (prune_undesirable_thread_requests): Removed.
4951 (redirect_edges): Do not pretend that redirect_edge_and_branch can
4952 create new blocks.
4953 (thread_block): Do not call prune_undesirable_thread_requests.
4954 Update loops.
4955 (mark_threaded_blocks): Select edges to thread here.
4956 (thread_through_all_blocks): Take may_peel_loop_headers argument.
4957 Thread edges through loop headers independently.
4958 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
4959 * tree-pass.h (TODO_mark_first_instance): New.
4960 (first_pass_instance): Declare.
4961 * cfghooks.c (duplicate_block): Put the block to the original loop
4962 if copy is not specified.
4963 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
4964 jump threading. Pass may_peel_loop_headers to
4965 thread_through_all_blocks according to first_pass_instance.
4966 * cfgloop.h (create_preheader): Declare.
4967 * tree-flow.h (thread_through_all_blocks): Declaration changed.
4968 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
4969 * passes.c (first_pass_instance): New variable.
4970 (next_pass_1): Set TODO_mark_first_instance.
4971 (execute_todo): Set first_pass_instance.
4972
4973 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
4974
4975 PR tree-optimization/24659
4976 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
4977 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
4978 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
4979 OTI_vec_pack_ufix_trunc.
4980 (vec_unpacks_float_hi_optab): Define new macro.
4981 (vec_unpacks_float_lo_optab): Ditto.
4982 (vec_unpacku_float_hi_optab): Ditto.
4983 (vec_unpacku_float_lo_optab): Ditto.
4984 (vec_pack_sfix_trunc_optab): Ditto.
4985 (vec_pack_ufix_trunc_optab): Ditto.
4986 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
4987 and vec_pack_[s|u]fix_trunc_optab using
4988 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
4989 * tree-vectorizer.c (supportable_widening_operation): Handle
4990 FLOAT_EXPR and CONVERT_EXPR. Update comment.
4991 (supportable_narrowing_operation): New function.
4992 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
4993 * tree-vect-transform.c (vectorizable_conversion): Handle
4994 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
4995 (vect_gen_widened_results_half): Move before vectorizable_conversion.
4996 (vectorizable_type_demotion): Call supportable_narrowing_operation()
4997 to check for target support.
4998 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
4999 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
5000 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
5001 for VEC_PACK_FIX_TRUNC_EXPR.
5002 (expand_binop): Special case mode of the result for
5003 vec_pack_[u|s]fix_trunc_optab.
5004 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
5005 vec_pack_[u|s]fix_trunc_optab.
5006
5007 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
5008 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
5009 * tree-pretty-print.c (dump_generic_node): Handle
5010 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
5011 VEC_PACK_FIX_TRUNC_EXPR.
5012 (op_prio): Ditto.
5013 * expr.c (expand_expr_real_1): Ditto.
5014 * tree-inline.c (estimate_num_insns_1): Ditto.
5015 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
5016
5017 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
5018 (vec_unpacks_float_lo_v8hi): Ditto.
5019 (vec_unpacku_float_hi_v8hi): Ditto.
5020 (vec_unpacku_float_lo_v8hi): Ditto.
5021 (vec_unpacks_float_hi_v4si): Ditto.
5022 (vec_unpacks_float_lo_v4si): Ditto.
5023 (vec_pack_sfix_trunc_v2df): Ditto.
5024
5025 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
5026 Document.
5027 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
5028 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
5029 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
5030 [vec_pack_ufix_trunc]: Ditto.
5031 [vec_unpacks_float_hi]: Ditto.
5032 [vec_unpacks_float_lo]: Ditto.
5033 [vec_unpacku_float_hi]: Ditto.
5034 [vec_unpacku_float_lo]: Ditto.
5035
5036 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
5037
5038 * soft-fp/README: Update for new files.
5039 * soft-fp/floattisf.c: New file.
5040 * soft-fp/floattidf.c: New file.
5041 * soft-fp/floattitf.c: New file.
5042 * soft-fp/floatuntisf.c: New file.
5043 * soft-fp/floatuntidf.c: New file.
5044 * soft-fp/floatuntitf.c: New file.
5045 * soft-fp/fixsfti.c: New file.
5046 * soft-fp/fixdfti.c: New file.
5047 * soft-fp/fixtfti.c: New file.
5048 * soft-fp/fixunssfti.c: New file.
5049 * soft-fp/fixunsdfti.c: New file.
5050 * soft-fp/fixunstfti.c: New file.
5051 * soft-fp/extendxftf.c: New file.
5052 * soft-fp/trunctfxf.c: New file.
5053
5054 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
5055 (__trunctfxf2): Ditto.
5056
5057 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
5058 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
5059 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
5060 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
5061 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
5062 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
5063
5064 * config/i386/t-fprules-softfp64: New file.
5065 * config/i386/sfp-machine.h: New file.
5066 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
5067 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
5068 and soft-fp/t-softfp to tmake_file.
5069 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
5070 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
5071
5072 * config/i386/t-linux64 (softfp_wrap_start): New.
5073 (softfp_wrap_end): New.
5074 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
5075 supported for TARGET_64BIT.
5076
5077 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
5078
5079 * c-common.c (c_common_signed_or_unsigned_type): Emulate
5080 c_common_unsigned_type behavior.
5081
5082 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
5083
5084 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
5085 calls as pure.
5086
5087 2007-05-16 Eric Christopher <echristo@apple.com>
5088
5089 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
5090 saving after stack push. Set sp_offset whenever we push.
5091 (rs6000_emit_epilogue): Move altivec register restore before
5092 stack push.
5093
5094 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5095
5096 * configure.ac: Allow sysroots to be relocated under $prefix as
5097 well as $exec_prefix.
5098 * configure: Regenerate.
5099
5100 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5101
5102 Revert:
5103
5104 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5105
5106 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5107 (gcc_tooldir): Likewise.
5108 * configure: Regenerate.
5109 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5110 old configure.ac gcc_tooldir setting.
5111 (prefix_to_exec_prefix): New variable.
5112 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5113 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5114
5115 2007-05-14 Janis Johnson <janis187@us.ibm.com>
5116
5117 * c-typeck.c (build_binary_op): Return early for error.
5118
5119 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5120
5121 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
5122 struct nb_iter_bound.
5123 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
5124 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
5125 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
5126 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
5127 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
5128 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
5129 (del_scev_info): Use ggc_free.
5130 (scev_initialize): Allocate scalar_evolution_info in gc memory.
5131 * loop-init.c: Include ggc.h.
5132 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
5133 (loop_optimizer_finalize): Use ggc_free.
5134 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
5135 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
5136 pass_iv_optimize): Add TODO_ggc_collect.
5137 * function.h (struct function): Remove skip marker from x_current_loops.
5138 * cfgloop.c: Include ggc.h.
5139 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
5140 memory.
5141 (establish_preds): Vector superloops is gc allocated.
5142 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
5143 loop->exits list.
5144 (flow_loops_find): Vector larray is gc allocated.
5145 (loop_exit_free): Use ggc_free.
5146 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
5147 that head of exits list is now not a part of struct loop.
5148 (record_loop_exits): Allocate exits table in gc memory.
5149 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
5150 head of exits list is now not a part of struct loop.
5151 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
5152 struct loop_exit): Add GTY marker.
5153 (struct loop): Add GTY marker. Make superloops vector gc allocated.
5154 Add skip marker to aux field. Make head of exits list a separate
5155 object.
5156 (struct loops): Add GTY marker. Make larray vector gc allocated.
5157 Add param marker to exits table.
5158 (get_loops): Type changed.
5159 * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
5160 dependency.
5161 (cfgloop.o, loop-init.o): Add ggc.h dependency.
5162 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
5163 * basic-block.h (struct basic_block_def): Remove skip marker from
5164 loop_father field.
5165
5166 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
5167
5168 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
5169 of 0 in the call to expand_expr().
5170 (expand_builtin_mathfn_3): Ditto.
5171 (expand_builtin_interclass_mathfn): Ditto.
5172 (expand_builtin_cexpi): Ditto.
5173 (expand_builtin_int_roundingfn): Ditto.
5174 (expand_builtin_int_roundingfn_2): Ditto.
5175 (expand_builtin_pow): Ditto.
5176 (expand_builtin_powi): Ditto.
5177 (expand_builtin_bswap): Ditto.
5178 (expand_builtin_unop): Ditto.
5179 (expand_builtin_fabs): Ditto.
5180 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
5181 the call to expand_expr().
5182 (expand_builtin_sync_operation): Ditto.
5183 (expand_builtin_compare_and_swap): Ditto.
5184 (expand_builtin_lock_test_and_set): Ditto.
5185 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
5186 instead of 0 in the call to expand_expr().
5187 (expand_builtin_extract_return_addr): Ditto.
5188 (expand_builtin_eh_return): Ditto.
5189 (expand_eh_return): Ditto.
5190 * explow.c (expr_size): Ditto.
5191 * expr.c (optimize_bitfield_assignment_op): Ditto.
5192 (expand_assignement): Ditto.
5193 (store_expr): Ditto.
5194 (store_field): Ditto.
5195 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
5196 the call to expand_expr().
5197 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
5198 in the call to expand_expr().
5199 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
5200 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
5201 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
5202 of expand_expr().
5203 * optabs.c (expand_vec_shift_expr): Ditto.
5204 (expand_vec_cond_expr): Ditto.
5205 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
5206 call to expand_expr().
5207 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
5208 in the call to expand_expr().
5209
5210 2007-05-14 Dave Korn <dave.korn@artimi.com>
5211
5212 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
5213
5214 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
5215
5216 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
5217 instead of c_common_unsigned_type.
5218 (c_common_unsigned_type): Remove.
5219 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
5220 c_common_unsigned_type.
5221 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
5222 c_common_unsigned_type.
5223 * c-common.h (c_common_unsigned_type): Remove.
5224 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
5225 c_common_unsigned_type.
5226 * c-format.c (check_format_types): Use unsigned_type_for instead of
5227 c_common_unsigned_type.
5228 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5229 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
5230 c_common_unsigned_type.
5231 * convert.c (convert_to_integer): Use unsigned_type_for instead of
5232 lang_hooks.types.unsigned_type.
5233 * expmed.c (make_tree): Use unsigned_type_for instead of
5234 lang_hooks.types.unsigned_type.
5235 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
5236 lang_hooks.types.unsigned_type.
5237 (build_range_check): Likewise.
5238 (fold_unary): Likewise.
5239 (fold_binary): Likewise.
5240 (fold_ternary): Likewise.
5241 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5242 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
5243 * tree.c (get_unsigned_type): New.
5244 (unsigned_type_for): Use get_unsigned_type instead of
5245 lang_hooks.types.unsigned_type.
5246
5247 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
5248
5249 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
5250 to m68k_get_function_kind. Update its prototype.
5251 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
5252 interrupt_thread.
5253 (m68k_interrupt_function_p): Return enum m68k_function_type
5254 instead of bool. Rename to m68k_get_function_kind.
5255 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
5256 target is not fido.
5257 (m68k_compute_frame_layout): Don't mark any register for save
5258 if an interrupt_thread attribute is specified.
5259 (m68k_hard_regno_rename_ok): Update a use of
5260 m68k_interrupt_function_p.
5261 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
5262 m68k_interrupt_function_p.
5263 (m68k_function_type): New.
5264 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
5265 for a function with an interrupt_thread attribute.
5266 * doc/extend.texi: Document the interrupt_thread attribute.
5267
5268 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
5269
5270 Fix PR tree-optimization/31911
5271 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5272 if they didn't change the expression.
5273
5274 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
5275
5276 * tree-scalar-evolution.c (resolve_mixers): Exported.
5277 * tree-scalar-evolution.h (resolve_mixers): Declare.
5278 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
5279 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5280 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
5281 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
5282 init_array_ref, init_pointer_ref, analyze_indirect_ref,
5283 strip_conversion, analyze_offset_expr, address_analysis,
5284 object_analysis, analyze_offset): Removed.
5285 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
5286 split_constant_offset, canonicalize_base_object_address,
5287 object_address_invariant_in_loop_p, disjoint_objects_p,
5288 dr_may_alias_p, dr_address_invariant_p): New functions.
5289 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
5290 and dr_analyze_alias.
5291 (initialize_data_dependence_relation): Use dr_may_alias_p
5292 and object_address_invariant_in_loop_p.
5293 (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
5294 is chrec_dont_know.
5295 (find_data_references_in_stmt): Restrict the analysis of data references
5296 to the given loop nest.
5297 (find_data_references_in_loop): Made static. Pass loop nest to
5298 find_data_references_in_stmt.
5299 (compute_data_dependences_for_loop): Use DR_VOPS.
5300 (free_data_ref): Free DR_VOPS.
5301 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
5302 (struct innermost_loop_behavior): ... new.
5303 (struct base_object_info): Replaced by ...
5304 (struct indices): ... new.
5305 (struct dr_alias): New.
5306 (enum data_ref_type): Removed.
5307 (struct data_reference): Consist of struct innermost_loop_behavior,
5308 struct indices and struct dr_alias.
5309 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
5310 (DR_MEMTAG): Renamed to ...
5311 (DR_SYMBOL_TAG): ... this.
5312 (find_data_references_in_loop): Declaration removed.
5313 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
5314 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
5315 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
5316 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
5317
5318 2007-05-13 Revital Eres <eres@il.ibm.com>
5319
5320 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
5321 which walks virtual def-use chains to find redundant stores.
5322 (dse_optimize_stmt): Call it.
5323
5324 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5325
5326 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
5327 * passes.c (init_optimization_passes): Move pass_jump_bypass
5328 after loop2.
5329
5330 * basic-block.h (bb_has_eh_pred): Fix style issue.
5331
5332 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5333
5334 PR rtl-optimization/31848
5335 * loop-invariant.c (move_invariant_reg): If we move an insn
5336 with a REG_EQUAL note, and that insn is not always executed,
5337 remove the REG_EQUAL note.
5338
5339 2007-05-12 Richard Guenther <rguenther@suse.de>
5340
5341 PR tree-optimization/31797
5342 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
5343 propagate into a stmt that has volatile ops.
5344
5345 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5346
5347 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5348 (gcc_tooldir): Likewise.
5349 * configure: Regenerate.
5350 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5351 old configure.ac gcc_tooldir setting.
5352 (prefix_to_exec_prefix): New variable.
5353 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5354 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5355
5356 2007-05-11 Silvius Rus <rus@google.com>
5357
5358 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
5359 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
5360 * c-common.h (strict_aliasing_warning): Change return type.
5361 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
5362 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
5363 (build_c_cast): Condition call to strict_aliasing_warning.
5364 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
5365 * flags.h (set_Wstrict_aliasing): Declare.
5366 * opts.c (set_Wstrict_alising): Define, add call to.
5367 * tree-flow.h (strict_aliasing_warning_backend): Declare.
5368 * tree-ssa-alias-warnings.c: New file.
5369 * tree-ssa-alias.c (compute_may_aliases): Add call to
5370 strict_aliasing_warning_backend.
5371
5372 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
5373
5374 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
5375 Use loop_depth and loop_outer accessor functions.
5376 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
5377 determine_invariantness_stmt, move_computations_stmt): Ditto.
5378 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
5379 add_loop, loopify, unloop, fix_loop_structure): Ditto.
5380 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
5381 * tree-scalar-evolution.c (interpret_loop_phi,
5382 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
5383 instantiate_parameters_1, scev_const_prop): Ditto.
5384 * cfghooks.c (make_forwarder_block): Ditto.
5385 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
5386 * modulo-sched.c (loop_canon_p): Ditto.
5387 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
5388 slpeel_can_duplicate_loop_p): Ditto.
5389 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
5390 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
5391 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
5392 cancel_loop, verify_loop_structure): Ditto.
5393 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
5394 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
5395 superloops vector instead of "pred" array.
5396 (establish_preds): Take father loop as an argument. Initialize the
5397 superloops vector.
5398 (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
5399 initialize loop->outer.
5400 (flow_loop_tree_node_remove): Truncate the superloops vector.
5401 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
5402 "pred" merged to "superloops" vector.
5403 (loop_depth, loop_outer): New.
5404 (fel_init): Use loop_outer.
5405
5406 2007-05-11 Jan Hubicka <jh@suse.cz>
5407
5408 * cgraphunit.c: Include gt-cgraphunit.h
5409 (static_ctors, static_dtors): New static vars.
5410 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
5411 based on implementation in c-common.c
5412 (cgraph_finalize_function): Call record_cdtor_fn.
5413 (cgraph_optimize): Call cgraph_build_cdtor_fns.
5414 * decl.c (finish_function): Do not call c_record_cdtor_fn.
5415 (c_write_global_declarations): Do not call c_build_cdtor_fns.
5416 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
5417 build_cdtor, c_build_cdtor_fns): Remove.
5418 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
5419 c_build_cdtor_fns): Remove prototype.
5420
5421 2007-05-11 Paolo Carlini <pcarlini@suse.de>
5422
5423 PR other/31852
5424 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
5425 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
5426 * builtins.c (fold_builtin_memchr): New.
5427 (expand_builtin_memchr): Call the latter.
5428 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
5429 * doc/extend.texi ([Other built-in functions provided by GCC]):
5430 Document memchr.
5431
5432 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
5433
5434 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
5435 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
5436 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
5437 PFPO_OP1_TYPE_SHIFT): Constants added.
5438 (DFP_ALL): Mode macro defined.
5439 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
5440 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
5441 Insn definitions added.
5442 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
5443 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
5444 Expanders added.
5445
5446 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
5447
5448 PR tree-optimization/31885
5449 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
5450 to be undetermined.
5451 (automatically_generated_chrec_p): Return false for NULL.
5452
5453 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5454
5455 * config/bfin/bfin.h (MOVE_RATIO): Define.
5456
5457 2007-05-10 Richard Sandiford <richard@codesourcery.com>
5458
5459 * config.gcc (sparc-wrs-vxworks): New target.
5460 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
5461 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
5462 * config/sparc/sparc.h: Include vxworks-dummy.h.
5463 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
5464 include LABEL_REFs too.
5465 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
5466 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
5467 VxWorks.
5468 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
5469 on VxWorks.
5470 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
5471 (sparc_emit_call_insn): New function.
5472 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
5473 functions when generating VxWorks PIC.
5474 * config/sparc/sparc.md (vxworks_load_got): New pattern.
5475 (call, call_value): Use sparc_emit_call_insn instead of
5476 emit_call_insn.
5477
5478 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5479
5480 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
5481
5482 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5483
5484 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
5485 for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double
5486 instead of operand_subword.
5487
5488 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5489
5490 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
5491 * config/bfin/bfin.c (bfin_local_alignment): New function.
5492 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
5493
5494 2007-05-08 Chao-ying Fu <fu@mips.com>
5495
5496 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
5497 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
5498 (smsub_widen_optab, umsub_widen_optab): Define.
5499 * optabs.c (init_optabs): Initialize smsub_widen_optab and
5500 umsub_widen_optab.
5501 * genopinit.c (optabs): Fill in smsub_widen_optab and
5502 umsub_widen_optab.
5503 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
5504 and umsub_widen_optab to implement multiply-subtract sequences.
5505 * config/mips/mips.md (*msac<u>_di): Rename to...
5506 (<u>msubsidi4): ...this. Extend condition to include
5507 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
5508 of operand 0 to "ka" and use the three-operand form of msub<u>
5509 for TARGET_DSPR2.
5510 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
5511 to define_expands.
5512
5513 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
5514
5515 PR rtl-optimization/28011
5516 * reload.c (push_reload): Set dont_share if IN appears in OUT
5517 also when IN is a PLUS rtx.
5518 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
5519 are same PLUS rtx.
5520
5521 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
5522
5523 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
5524 call unshare_all_decls.
5525 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
5526 (unshare_all_decls): Remove.
5527
5528 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
5529
5530 PR 31847
5531 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
5532 dumps.
5533
5534 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
5535 Nigel Stephens <nigel@mips.com>
5536
5537 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
5538 Update comments and all uses.
5539 (MIN_FPRS_PER_FMT): Define.
5540 * config/mips/mips.c (function_arg): Fix to correctly handle
5541 the -mips32r2 -mfp64 -mabi=32 case.
5542 (override_options): Enable use of odd-numbered registers for
5543 SFmode values on MIPS32.
5544 (mips_save_reg_p): Save whole floating-point register pair if
5545 either half is used.
5546 (compute_frame_size): Fix comment.
5547
5548 2007-05-08 Jie Zhang <jie.zhang@analog.com>
5549
5550 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
5551 argument of type bool.
5552 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
5553 argument. Safely select temporary P register according to it.
5554 (do_link): Change call site of add_to_reg accordingly.
5555 (do_unlink): Add epilogue_p as a fourth argument and pass it
5556 to add_to_reg.
5557 (expand_interrupt_handler_epilogue): Change call of do_unlink
5558 accordingly.
5559 (bfin_expand_prologue): Add a third argument sibcall_p.
5560 * config/bfin/bfin.md (epilogue): Change call of
5561 bfin_expand_epilogue accordingly.
5562 (sibcall_epilogue): Likewise.
5563 (eh_return_internal): Likewise.
5564
5565 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
5566 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
5567 * config/bfin/bfin.c (bfin_handle_option): Handle
5568 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
5569 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
5570 Support bf534, bf536 and bf561.
5571 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
5572
5573 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
5574
5575 PR target/31854
5576 * config/i386/i386.c (ix86_function_regparm): Process local
5577 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
5578
5579 2007-05-07 Mike Stump <mrs@apple.com>
5580
5581 * doc/invoke.texi (Warning Options): Document that -Wempty-body
5582 also checks for and while statements in C++.
5583
5584 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
5585
5586 * gcc.c (at_file_supplied): New variable.
5587 (main): Set it if we expanded argv.
5588 (do_spec_1): Pass an @-file to the linker if we were called with
5589 an @-file argument and HAVE_GNU_LD.
5590 * collect2.c (at_file_supplied): New variable.
5591 (response_file): New variable.
5592 (collect_exit): Unlink response_file if necessary.
5593 (handler): Likewise.
5594 (do_wait): Likewise.
5595 (main): Set at_file_supplied if we expanded argv.
5596 (collect_execute): Pass an @-file to subprocesses if we were called
5597 with an @-file argument.
5598 * configure.ac: Add define for HAVE_GNU_LD.
5599 * configure: Regenerate.
5600 * config.in: Regenerate.
5601
5602 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
5603
5604 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
5605 operand to HI mode.
5606 (mulsi3): New.
5607 (divsi3): New.
5608 (udivsi3): New.
5609
5610 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
5611
5612 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5613 (TARGET_ENCODE_SECTION_INFO): Re-define.
5614 (m32c_encode_section_info): New
5615 (function_vector_handler): New
5616 (current_function_special_page_vector): New
5617 (m32c_special_page_vector_p): New.
5618 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
5619 Prototype.
5620 * config/m32c/jump.md: Added instruction JSRS for functions
5621 with attribute "function_vector".
5622 * doc/extend.texi (function_vector): Added description
5623 for M16C, M32C targets.
5624
5625 2007-05-07 DJ Delorie <dj@redhat.com>
5626
5627 PR 31794
5628 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
5629 ashrpsi3, lshrpsi3): Update shift count constraint.
5630
5631 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
5632 Nathan Froyd <froydnj@codesourcery.com>
5633
5634 PR 22133
5635 * c-incpath.c (add_path): Strip trailing path separators.
5636
5637 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
5638
5639 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
5640 Free dominance info before purging EH edges.
5641 (eliminate_degenerate_phis): Likewise.
5642 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
5643
5644 2007-05-07 Jan Hubicka <jh@suse.cz>
5645
5646 * gimplify.c (gimplify_expr): Do not crash when folding
5647 (void *)(int)&a + 4.
5648
5649 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5650
5651 PR driver/31694
5652 * c-opts.c (lang_fortran): Make it non static.
5653 * c-common.h (lang_fortran): New prototype.
5654 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
5655 -lang-fortran option was passed by the driver.
5656
5657 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
5658
5659 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
5660 of ASSERT_CHECKING. Tweak message.
5661
5662 2007-05-06 Revital Eres <eres@il.ibm.com>
5663
5664 PR 30957
5665 * loop-unroll.c (insert_var_expansion_initialization):
5666 Initialize the expansions with -zero instead of +zero.
5667
5668 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
5669
5670 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
5671 into pic and non-pic versions. Mark r19 as used for
5672 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
5673 for tgd_load, tld_load and tie_load .
5674 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
5675 version of tgd_load, tld_load and tie_load depending on the
5676 value of flag_pic.
5677
5678 2007-05-04 Ulrich Drepper <drepper@redhat.com>
5679 Jakub Jelinek <jakub@redhat.com>
5680
5681 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
5682 (__do_global_dtors_aux): Use more paranoid loop to run
5683 destructors if HIDDEN_DTOR_LIST_END.
5684 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
5685
5686 2007-05-04 Jakub Jelinek <jakub@redhat.com>
5687
5688 * varasm.c (align_variable): Don't increase alignment for
5689 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
5690 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
5691
5692 2007-05-04 Josh Conner <jconner@apple.com>
5693
5694 * basic-block.h (cdi_direction): Assign values to all enumeration
5695 constants.
5696 (dom_computed): Remove.
5697 (dom_info_state): New.
5698 (set_dom_info_availability): New.
5699 * tree-ssa-loop-im.c (determine_invariantness): Initialize
5700 walk_data.dom_direction.
5701 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
5702 instead of dom_computed[].
5703 (split_edge): Likewise.
5704 (create_basic_block): Likewise.
5705 (merge_blocks): Likewise.
5706 * ifcvt.c (find_if_header): Likewise.
5707 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
5708 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5709 * tree-ssa.c (verify_ssa): Likewise.
5710 * tree-cfg.c (tree_verify_flow_info): Likewise.
5711 (remove_edge_and_dominated_blocks): Likewise.
5712 * dominance.c (dom_computed): Make static.
5713 (calc_dfs_tree_nonrec): Change third param to a bool.
5714 (calc_dfs_tree): Change second param to a bool.
5715 (calc_idioms): Change second param to a bool. Use
5716 dom_convert_dir_to_idx.
5717 (init_dom_info): Validate dir before using.
5718 (dom_convert_dir_to_idx): New.
5719 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
5720 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
5721 (free_dominance_info): Use dom_convert_dir_to_idx.
5722 (get_immediate_dominator): Likewise.
5723 (set_immediate_dominator): Likewise.
5724 (get_dominated_by): Likewise.
5725 (redirect_immediate_dominators): Likewise.
5726 (nearest_common_denominator): Likewise.
5727 (dominated_by_p): Likewise.
5728 (bb_dom_dfs_in): Likewise.
5729 (bb_dom_dfs_out): Likewise.
5730 (recount_dominator): Likewise.
5731 (iterate_fix_dominators): Likewise.
5732 (add_to_dominance_info): Likewise.
5733 (delete_from_dominance_info): Likewise.
5734 (first_dom_son): Likewise.
5735 (next_dom_son): Likewise.
5736 (dom_info_available_p): Likewise.
5737 (dom_info_state): New.
5738 (set_dom_info_availability): New.
5739
5740 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5741
5742 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
5743 Expander removed.
5744 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
5745
5746 2007-05-04 Bob Wilson <bob.wilson@acm.org>
5747
5748 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
5749 (subdi3, subdi_carry): Delete.
5750
5751 2007-05-04 Jan Hubicka <jh@suse.cz>
5752 Richard Guenther <rguenther@suse.de>
5753
5754 * opts.c (decode_options): Do not fiddle with inlining
5755 parameters in case of optimizing for size.
5756 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
5757 for size do nothing.
5758 (cgraph_decide_inlining_of_small_function): When optimizing for
5759 size never inline functions increasing caller size.
5760 (cgraph_early_inlining): Inline for size when optimizing for size.
5761
5762 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
5763
5764 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
5765 logical operations piecewise.
5766 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
5767 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
5768 subdi_sesidi_di): Delete.
5769 (add_with_carry): Produce carry in CC instead of a DREG to shorten
5770 the generated sequence. Allow three-reg add in constraints. Rewrite
5771 the rtl expression for carry to avoid zero_extend of a constant.
5772 (sub_with_carry): New pattern.
5773 (adddi3, subdi3): Change into define_expand. For subtract, generate a
5774 different sequence not involving jumps.
5775 (notbi): Now a named pattern.
5776
5777 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
5778
5779 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
5780 Add the note about a significant loss of accuracy of some
5781 mathematical routines when these options are used.
5782
5783 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5784
5785 * haifa-sched.c (rtx_vec_t): New typedef.
5786 (contributes_to_priority_p): Extract piece of priority () into new
5787 static function.
5788 (priority): Use the function. Add assertion.
5789 (rank_for_schedule, set_priorities): Add assertion to check that
5790 insn's priority is initialized.
5791 (clear_priorities, calc_priorities): Change signature. Make it update
5792 all relevant insns. Update all callers ('add_to_speculative_block ()'
5793 and 'create_block_check_twin ()').
5794 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
5795 Add new field 'priority_status'.
5796 (INSN_PRIORITY_STATUS): New macro.
5797 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
5798
5799 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5800
5801 * sched-ebb.c (debug_ebb_dependencies): New static function.
5802 (init_ready_list): Use it.
5803
5804 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
5805 with changed signature and 'debug_rgn_dependencies ()'.
5806 (debug_rgn_dependencies): New static function.
5807 (init_ready_list): Use it.
5808
5809 * sched-int.h (debug_dependencies): Declare.
5810
5811 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5812
5813 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
5814
5815 2007-05-04 Dirk Mueller <dmueller@suse.de>
5816
5817 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
5818
5819 2007-05-03 Jan Hubicka <jh@suse.cz>
5820
5821 * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
5822 for pointer type in more cases than before.
5823
5824 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
5825
5826 * tree-object-size.c (plus_expr_object_size): When operand size is
5827 unknown, return unknown.
5828
5829 2007-05-03 Dirk Mueller <dmueller@suse.de>
5830
5831 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
5832
5833 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
5834 options.
5835
5836 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
5837
5838 2007-05-03 Janis Johnson <janis187@us.ibm.com>
5839
5840 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
5841
5842 2007-05-03 Joseph Myers <joseph@codesourcery.com>
5843
5844 * config/soft-fp/double.h, config/soft-fp/extended.h,
5845 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
5846 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
5847 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
5848 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
5849 glibc CVS.
5850
5851 2007-05-03 Ian Lance Taylor <iant@google.com>
5852
5853 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
5854 MASK_PPC_GFXOPT for 8540 or 8548.
5855
5856 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5857
5858 * tree-vect-transform.c (vect_update_inits_of_drs): Use
5859 vect_print_dump_info() to output debug information.
5860
5861 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5862
5863 PR target/31768
5864 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
5865 operands of size 2 when operand is not MEM_P.
5866
5867 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5868
5869 PR tree-optimization/30565
5870 * lambda-code.c (perfect_nestify): Fix updating of dominators.
5871
5872 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
5873
5874 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
5875 (umulsi3_highpart): Use them.
5876 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
5877 for final accumulator to D regisster tranfser.
5878
5879 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
5880
5881 PR tree-optimization/31699
5882 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
5883 code.
5884 (vect_enhance_data_refs_alignment): Compute peel amount using
5885 TYPE_VECTOR_SUBPARTS instead of vf.
5886 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
5887
5888 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
5889
5890 PR bootstrap/31776
5891 * system.h: Remove inclusion of double-int.h
5892 * tree.h: Include double-int.h
5893 * gengtype.c: Likewise
5894 * cfgloop.h: Likewise
5895 * Makefile.in: Adjust dependencies on double-int.h
5896
5897 2007-05-02 Eric Christopher <echristo@apple.com>
5898
5899 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
5900 -shared to -Zdynamiclib.
5901
5902 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
5903
5904 PR c++/31663
5905 * c-common.c (strip_pointer_or_array_types): New function.
5906 * c-common.h (strip_pointer_or_array_types): New function declaration.
5907
5908 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5909
5910 PR tree-optimization/31771
5911 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
5912
5913 2007-05-02 Paul Brook <paul@codesourcery.com>
5914
5915 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
5916
5917 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5918
5919 PR middle-end/29715
5920 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
5921 transformation.
5922
5923 2007-05-02 Nick Clifton <nickc@redhat.com>
5924
5925 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
5926
5927 2007-05-02 Richard Guenther <rguenther@suse.de>
5928
5929 PR tree-optimization/31146
5930 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
5931 argument, single_use_p. If we have a single use that is
5932 a conversion to the definition rhs type, propagate that rhs.
5933 (forward_propagate_addr_expr): Pass single_use_p argument
5934 to forward_propagate_addr_expr_1.
5935
5936 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
5937
5938 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
5939 variable.
5940
5941 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5942
5943 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
5944 'AMD Family 10 core'.
5945
5946 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5947
5948 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
5949 and athlon64-sse3 as improved versions of k8, opteron and athlon64
5950 with SSE3 instruction set support.
5951 * doc/invoke.texi: Likewise.
5952
5953 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5954
5955 * config/i386/i386.c (override_options): Tuning 32-byte loop
5956 alignment for amdfam10 architecture. Increasing the max loop
5957 alignment to 24 bytes.
5958
5959 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
5960
5961 * config/m68k/constraints.md: New.
5962 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
5963 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
5964 EXTRA_CONSTRAINT): Remove.
5965 * config/m68k/m68k.md: Include constraints.md.
5966 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
5967
5968 2007-05-01 Ian Lance Taylor <iant@google.com>
5969
5970 PR tree-optimization/31739
5971 * tree-vrp.c (vrp_val_is_max): New static function.
5972 (vrp_val_is_min): New static function.
5973 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
5974 copying the node.
5975 (set_value_range): Use vrp_val_is_{max,min}.
5976 (extract_range_from_assert): Likewise.
5977 (extract_range_from_binary_expr): Likewise.
5978 (extract_range_from_unary_expr): Likewise.
5979 (dump_value_range, vrp_meet): Likewise.
5980 (vrp_visit_phi_node): Likewise.
5981 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
5982
5983 2007-05-01 Mark Mitchell <mark@codesourcery.com>
5984
5985 * config/i386/gmon-sol2.c (size_t): New type.
5986 (intptr_t): Likewise.
5987 (s_textsize): Declare as size_t.
5988 (sbrk): Declare.
5989 (monstartup): Use size_t for sizes.
5990 (_mcount): Save and restore registers.
5991 (internal_mcount): Pass 0 as the first argument to monstartup
5992 in 64-bit mode.
5993 (moncontrol): Convert pointer to appropriately sized integer
5994 before passing to profil.
5995
5996 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5997
5998 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
5999 __NO_FPRS__, not just if _SOFT_DOUBLE.
6000 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
6001 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
6002 also for E500 double.
6003 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
6004 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
6005 && !TARGET_FPRS).
6006
6007 2007-05-01 Richard Guenther <rguenther@suse.de>
6008
6009 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
6010 is NULL.
6011
6012 2007-05-01 Joseph Myers <joseph@codesourcery.com>
6013
6014 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
6015
6016 2007-05-01 Jan Hubicka <jh@suse.cz>
6017
6018 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
6019 invariant.
6020
6021 2007-05-01 Jan Hubicka <jh@suse.cz>
6022
6023 * tree.h (maybe_fold_offset_to_component_ref): Remove.
6024 (maybe_fold_offset_to_reference): Declare.
6025 * fold-const.c (fold_unary): Do not fold
6026 (type *)&A into &A->field_of_type_and_offset_0
6027 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
6028 size is unknown, give up.
6029 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
6030 offsets.
6031 (maybe_fold_offset_to_reference): New.
6032 (maybe_fold_stmt_indirect): Use it.
6033 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
6034 * gimplify.c (gimplify_conversion): Canonicalize conversions to
6035 field references.
6036 (gimplify_expr): Likewise for plus_expr.
6037
6038 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6039
6040 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
6041 bsi_after_labels. Always insert statements before bsi.
6042 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6043 * predict.c (apply_return_prediction): Check for empty blocks.
6044 * cfgexpand.c (lab_rtx_for_bb): New variable.
6045 (label_rtx_for_bb): Do not create new tree labels.
6046 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
6047 (tree_expand_cfg): Initialize lab_rtx_for_bb.
6048 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
6049 creating edges.
6050 (label_for_bb): Add field used.
6051 (update_eh_label, main_block_label): Mark the label used.
6052 (cleanup_dead_labels): Remove unused labels.
6053
6054 2007-05-01 Richard Guenther <rguenther@suse.de>
6055
6056 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
6057 if it is not about to be set.
6058 (get_value_range): Do not pre-allocate equiv bitmap.
6059 (update_value_range): No need to clear equiv field.
6060 (add_equivalence): Change prototype to get bitmap pointer.
6061 Allocate bitmap here if it is not already.
6062 (extract_range_from_assert): Do not allocate bitmap here.
6063 Update callers to add_equivalence.
6064 (extract_range_from_ssa_name): Likewise.
6065 (get_vr_for_comparison): New static helper.
6066 (compare_name_with_value): Handle NULL equiv bitmap by
6067 peeling the first iteration of the comparison loop.
6068 Use get_vr_for_comparison.
6069 (compare_names): Handle NULL equiv bitmaps by using fake
6070 ones. Use get_vr_for_comparison.
6071
6072 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
6073
6074 * double-int.c (mpz_set_double_int): Moved from
6075 tree-ssa-loop-niter.c.
6076 (mpz_get_double_int): Likewise; also, add option to wrap
6077 out-of-range integers.
6078 * double-int.h: New prototypes for above.
6079 * tree.c (get_static_type_bounds): Moved from
6080 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
6081 TYPE_MAX_VALUE if they exist..
6082 * tree.h: New prototype for above.
6083 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
6084 get_type_bounds calls.
6085 (mpz_set_double_int): Move to double-int.c.
6086 (get_type_bounds): Move to tree.c, rename to
6087 get_static_type_bounds.
6088 (mpz_to_double_int): Move to double-int.c, rename to
6089 mpz_get_double_int.
6090
6091 2007-04-30 Bob Wilson <bob.wilson@acm.org>
6092
6093 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
6094 DIV0 exception can fall through to a normal return.
6095
6096 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
6097
6098 PR middle-end/22156
6099 Temporarily revert:
6100 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
6101 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
6102 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6103 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
6104 initialize align to silence bogus warning.
6105 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6106 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
6107 all_no_warning.
6108 (struct sra_walk_fns): Remove use_all parameter from use.
6109 (sra_hash_tree): Handle BIT_FIELD_REFs.
6110 (sra_elt_hash): Don't hash bitfld blocks.
6111 (sra_elt_eq): Skip them in parent compares as well. Handle
6112 BIT_FIELD_REFs.
6113 (sra_walk_expr): Don't maintain or pass down use_all_p.
6114 (scan_use): Remove use_all parameter.
6115 (scalarize_use): Likewise. Re-expand assignment to
6116 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
6117 output, and re-scalarize after output. Don't mark anything
6118 for no warning.
6119 (scalarize_ldst): Adjust.
6120 (scalarize_walk_gimple_modify_statement): Likewise.
6121 (build_element_name_1): Handle BIT_FIELD_REFs.
6122 (instantiate_element): Don't warn for any element whose parent
6123 is used as a whole.
6124 (instantiate_missing_elements_1): Return the sra_elt.
6125 (canon_type_for_field): New.
6126 (try_instantiate_multiple_fields): New.
6127 (instantiate_missing_elemnts): Use them.
6128 (mark_no_warning): Removed.
6129 (generate_one_element_ref): Handle BIT_FIELD_REFs.
6130 (REPLDUP, sra_build_elt_assignment): New.
6131 (generate_copy_inout): Use them.
6132 (generate_element_copy): Likewise. Handle bitfld differences.
6133 (generate_element_zero): Don't recurse for blocks. Use
6134 sra_build_elt_assignment.
6135 (generate_one_element_int): Take elt instead of var. Use
6136 sra_build_elt_assignment.
6137 (generate_element_init_1): Adjust.
6138 (scalarize_use, scalarize_copy): Use REPLDUP.
6139 (scalarize_ldst): Move assert before dereference.
6140 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
6141
6142 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
6143
6144 PR C++/31721
6145 * tree.c (reconstruct_complex_type): Reconstruct a reference
6146 correctly.
6147 Also use the same mode for the pointer as the old pointer type.
6148
6149 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6150
6151 * doc/trouble.texi (Interoperation): Remove note about Ultrix
6152 Fortran compiler.
6153
6154 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
6155
6156 PR rtl-optimization/31676
6157 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
6158 (df_refs_record): Call it.
6159
6160 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
6161
6162 * rtl.def (SS_ABS): New code.
6163 * config/bfin/bfin.c (print_operand): New modifier 'v'.
6164 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
6165 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
6166 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
6167 (bfin_init_builtins): Define them.
6168 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
6169 (bfin_expand_builtin): ... and handle the others here.
6170 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
6171 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
6172 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
6173 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
6174 operand is only HImode.
6175
6176 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
6177
6178 * regclass.c (scan_one_insn): Remove splitting of
6179 two address insns.
6180
6181 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
6182 Nigel Stephens <nigel@mips.com>
6183
6184 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6185
6186 2007-04-28 Jan Hubicka <jh@suse.cz>
6187
6188 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
6189 insn_locators_alloc instead of insn_locators_initialize;
6190 call reset_block_changes.
6191 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6192 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
6193 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
6194 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
6195 * config/score/score.c (th_output_mi_thunk): Likewise.
6196 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
6197 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
6198 tolerate uninitialized locator info.
6199
6200 Re-apply:
6201 * function.c (init_function_start): Don't init line number info.
6202 (expand_function_end): Update.
6203 (reset_block_changes, record_block_change, finalize_block_changes,
6204 check_block_change, free_block_changes): Kill.
6205 * function.h (reset_block_changes, record_block_change,
6206 finalize_block_changes, check_block_change, free_block_changes): Remove
6207 prototypes.
6208 (struct function): Remove ib_boundaries_block.
6209 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6210 Use curr_insn_locator to initialize locator.
6211 (emit_line_note): Remove.
6212 * cfgexpand.c (expand_gimple_cond_expr): Update.
6213 (construct_exit_block): Likewise.
6214 (tree_expand_cfg): Initialize/finalize locators.
6215 * expr.c (expand_expr_real): Update.
6216 * cfglayout.c (line_locators_locs, line_locators_lines,
6217 file_locators_locs, file_locators_files): Remove.
6218 (set_block_levels): Move to cfgexpand.c.
6219 (insn_locators_initialize): Remove.
6220 (pass_insn_locators_initialize): Remove.
6221 (locations_locators_locs, locations_locators_vals): New static vars.
6222 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6223 Likewise.
6224 (insn_locators_alloc, insn_locators_finalize,
6225 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6226 New functions.
6227 (locator_location): New.
6228 (locator_line, locator_file): Rewrite.
6229 * rtl.h (emit_line_note): Kill.
6230 (insn_locators_alloc, insn_locators_finalize,
6231 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6232 Declare.
6233 * tree-inline.c (initialize_cfun): Do not initialize
6234 ib_boundaries_block.
6235 * passes.c (pass_insn_locators_initialize): Remove.
6236
6237 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
6238
6239 * tree-cfg.c (move_block_to_fn): Release bb from dominance
6240 info. Update last_basic_block correctly.
6241
6242 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
6243
6244 PR target/31701
6245 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
6246 register itself to hold the offset constant. Tell flow the use
6247 of r4 and r5 when they are used.
6248
6249 2007-04-27 Richard Guenther <rguenther@suse.de>
6250
6251 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
6252 if we simplified anything.
6253 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
6254 warnings until we did a simplification and the stmt was not
6255 marked as TREE_NO_WARNING.
6256
6257 2007-04-27 Mike Stump <mrs@apple.com>
6258
6259 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
6260
6261 2007-04-27 Ian Lance Taylor <iant@google.com>
6262
6263 PR middle-end/31710
6264 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
6265 TYPE_MAX_VALUE exist, convert them to the new type.
6266
6267 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6268
6269 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
6270 if it claims to be available.
6271 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
6272 edge is redirected.
6273 (perform_tree_ssa_dce): Always free postdominators.
6274
6275 2007-04-27 Richard Henderson <rth@redhat.com>
6276
6277 * config/alpha/predicates.md (aligned_memory_operand): Mark
6278 as define_special_predicate.
6279 (unaligned_memory_operand, normal_memory_operand): Likewise.
6280 (reg_or_unaligned_mem_operand): Remove.
6281 (any_memory_operand): Match the documentation and check for
6282 non-renumbered pseudos during reload.
6283 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
6284 alpha_secondary_reload_class, update to new interface, make static.
6285 Handle CQImode like HImode. Remove FP subreg check.
6286 (alpha_expand_mov): Use replace_equiv_address.
6287 (alpha_expand_mov_nobwx): Use any_memory_operand.
6288 (TARGET_SECONDARY_RELOAD): New.
6289 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
6290 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6291 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
6292 * config/alpha/alpha.md: ... here.
6293 (RELOAD12, reloadmode): New.
6294 (movcqi): New.
6295 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
6296 Don't handle the aligned case here.
6297 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
6298 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
6299 reload_inhi_help. Don't expect a scratch register.
6300 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
6301 reload_outhi_help.
6302 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
6303
6304 2007-04-27 Richard Guenther <rguenther@suse.de>
6305
6306 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
6307
6308 2007-04-27 Richard Guenther <rguenther@suse.de>
6309
6310 PR tree-optimization/30965
6311 PR tree-optimization/30978
6312 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
6313 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
6314 (find_equivalent_equality_comparison): Likewise.
6315 (simplify_cond): Likewise.
6316 (get_prop_source_stmt): New helper.
6317 (get_prop_dest_stmt): Likewise.
6318 (can_propagate_from): Likewise.
6319 (remove_prop_source_from_use): Likewise.
6320 (combine_cond_expr_cond): Likewise.
6321 (forward_propagate_comparison): New function.
6322 (forward_propagate_into_cond): Rewrite to use fold for
6323 tree combining.
6324 (tree_ssa_forward_propagate_single_use_vars): Call
6325 forward_propagate_comparison to propagate comparisons.
6326
6327 2007-04-27 Richard Guenther <rguenther@suse.de>
6328
6329 PR tree-optimization/31715
6330 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
6331 sure to do computation on the offset in an appropriate
6332 signed type.
6333
6334 2007-04-27 Richard Sandiford <richard@codesourcery.com>
6335
6336 * reload.h (elimination_target_reg_p): Declare.
6337 * reload.c (find_reloads): Don't apply the reg_rtx move
6338 optimization if the SET_DEST satisfies elimination_target_reg_p.
6339 * reload1.c (elimination_target_reg_p): New function.
6340 (gen_reload): In the move/add2 fallback, make sure that op0
6341 does not overlap the destination register.
6342
6343 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6344
6345 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
6346 transform only GIMPLE_MODIFY_STMTs.
6347 * tree-complex.c (expand_complex_operations_1): Ditto.
6348 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
6349 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
6350 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
6351 branches.
6352 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6353 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
6354 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
6355 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
6356 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
6357 slpeel_add_loop_guard): Ditto.
6358 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6359 * lambda-code.c (perfect_nestify): Ditto.
6360 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
6361 before the first statement.
6362 * tree-optimize.c (execute_free_datastructures): Fix comments.
6363 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
6364 * tree-flow.h (disband_implicit_edges): Declaration removed.
6365 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
6366 branches.
6367 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
6368 without gotos.
6369 (disband_implicit_edges, has_label_p): Removed.
6370 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
6371 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
6372 branches.
6373 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
6374 side effects.
6375 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
6376 also for COND_EXPRs.
6377 * cfgexpand.c (label_rtx_for_bb): New function.
6378 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
6379 Use label_rtx_for_bb to find the labels.
6380 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
6381 last block. Detect fallthru edges.
6382
6383 2007-04-26 Ian Lance Taylor <iant@google.com>
6384
6385 PR target/28675
6386 * reload.c (find_reloads_subreg_address): If the address was valid
6387 in the original mode but not in the new mode, reload the whole
6388 address.
6389
6390 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6391
6392 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
6393 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
6394 (cleanup_control_expr_graph): Do not invalidate dominance info.
6395 Record altered blocks.
6396 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
6397 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
6398 cleanup_tree_cfg_bb): New functions.
6399 (remove_forwarder_block): Do not maintain the worklist of blocks.
6400 Record altered blocks.
6401 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
6402 not over whole cfg.
6403 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
6404 delete_unreachable_blocks if dominators are not available.
6405 * tree-inline.c (optimize_inline_calls): Free dominance information
6406 earlier.
6407 * tree-flow.h (remove_edge_and_dominated_blocks,
6408 cfgcleanup_altered_bbs): Altered.
6409 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
6410 blocks.
6411 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
6412 functions.
6413 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
6414 do not invalidate dominators.
6415
6416 2007-04-26 Anatoly Sokolov <aesok@post.ru>
6417
6418 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
6419 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
6420 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6421 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6422
6423 2007-04-26 Steve Ellcey <sje@cup.hp.com>
6424
6425 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
6426
6427 2007-04-26 Richard Guenther <rguenther@suse.de>
6428
6429 PR tree-optimization/31703
6430 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
6431 the right type for the target of the bittest.
6432
6433 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6434
6435 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
6436 ix86_sol10_return_in_memory.
6437
6438 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6439
6440 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
6441 variables.
6442
6443 2007-04-26 Jakub Jelinek <jakub@redhat.com>
6444
6445 PR c++/31598
6446 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
6447
6448 PR tree-optimization/30558
6449 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
6450 clear this_state.prev_try.
6451
6452 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6453 Mark Mitchell <mark@codesourcery.com>
6454
6455 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
6456 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
6457 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
6458
6459 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6460
6461 PR driver/31107
6462 * doc/invoke.texi (%:print-asm-header): Document.
6463 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
6464 and -ftarget-help.
6465 (static_spec_functions): Add print-asm-header.
6466 (main): Print a banner before the --target-help linker options.
6467 (print_asm_header_spec_function): New function.
6468
6469 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
6470
6471 PR target/31403
6472 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
6473 (movsf_ie): Likewise.
6474
6475 2007-04-25 Paolo Carlini <pcarlini@suse.de>
6476
6477 * doc/extend.texi ([Type Traits]): Adjust per N2255.
6478
6479 2007-04-25 Bob Wilson <bob.wilson@acm.org>
6480
6481 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
6482 for divide-by-zero.
6483 (__umodsi3, __modsi3): Likewise.
6484
6485 2007-04-25 Dirk Mueller <dmueller@suse.de>
6486
6487 * c-typeck.c (build_compound_expr): Annotate warning()
6488 call with OPT_Wunused_value.
6489 * tree-ssa.c (warn_uninit): Annotate warning with
6490 OPT_Wunintialized.
6491 * c-common.c (handle_sentinel_attribute): Annotate warning
6492 call with OPT_Wattributes.
6493
6494 2007-04-25 Thiemo Seufer <ths@mips.com>
6495
6496 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
6497 (mips16): Fix typo.
6498 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
6499 on to the assembler. Improve handling of -mno-mips16. Add handling
6500 of -mno-mips3d, -mno-dsp, -mno-dspr2.
6501 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
6502 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
6503 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
6504
6505 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
6506
6507 PR target/31680
6508 * config/i386/winnt.c (i386_pe_file_end): Strip only
6509 USER_LABEL_PREFIX when writing export name.
6510
6511 2007-04-25 Richard Sandiford <richard@codesourcery.com>
6512
6513 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
6514 sh/elf.h, vx-common.h and vxworks.h.
6515 * config/sh/sh.h: Include config/vxworks-dummy.h.
6516 (SUBTARGET_OVERRIDE_OPTIONS): Define.
6517 (OVERRIDE_OPTIONS): Use it.
6518 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
6519 (vxworks_picreg): New pattern.
6520 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
6521 VXWORKS_OS_CPP_BUILTINS.
6522 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
6523 to their VXWORKS_* equivalents.
6524 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
6525 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
6526 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
6527 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
6528 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
6529 -mrtp/-fPIC multilibs.
6530 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
6531 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
6532 (MULTILIB_OSDIRNAMES): Delete.
6533
6534 2007-04-25 Anatoly Sokolov <aesok@post.ru>
6535
6536 PR target/18989
6537 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
6538
6539 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
6540
6541 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
6542 rounding mode to be specified by the caller.
6543 (real_to_mpfr) Likewise.
6544 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
6545 include new arguments.
6546 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
6547
6548 2007-04-24 Ian Lance Taylor <iant@google.com>
6549
6550 PR tree-optimization/31605
6551 * tree-vrp.c (set_value_range): Check that min and max are not
6552 both overflow infinities.
6553 (set_value_range_to_value): New static function.
6554 (extract_range_from_binary_expr): Call set_value_range_to_value.
6555 (extract_range_from_cond_expr): Likewise.
6556 (extract_range_from_expr): Likewise.
6557 (extract_range_from_unary_expr): Likewise. Don't create a range
6558 which overflows on both sides.
6559 (vrp_meet): Check for a useless range.
6560 (vrp_visit_phi_node): If we see a constant which looks like an
6561 overflow infinity, turn off the TREE_OVERFLOW flag.
6562
6563 2007-04-24 Ian Lance Taylor <iant@google.com>
6564
6565 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
6566
6567 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
6568
6569 PR diagnostic/25923
6570 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
6571 diagnostic message is being built.
6572 * tree-pretty-print.c (dump_generic_node): Only write the
6573 formatted text into BUFFER's stream if we are not building a
6574 diagnostic message.
6575 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
6576 dump_generic_node.
6577 * Makefile.in (toplev.o): Depend on tree-pass.h.
6578
6579 2007-04-24 Ian Lance Taylor <iant@google.com>
6580
6581 PR tree-optimization/31602
6582 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
6583 conditionals in the copied loop header.
6584 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
6585 warnings if TREE_NO_WARNING is set.
6586 * doc/invoke.texi (Warning Options): Clarify that
6587 -Wstrict-overflow does not warn about loops.
6588
6589 2007-04-24 Janis Johnson <janis187@us.ibm.com>
6590
6591 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
6592 expand on the comment about _Decimal128 arguments and check the
6593 integer result of the modulus operation; for 64-bit ELF ABI, ensure
6594 that _Decimal128 argument uses even/odd register pair.
6595 (function_arg): Ditto.
6596
6597 2007-04-24 Hui-May Chang <hm.chang@apple.com>
6598
6599 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
6600 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
6601
6602 2007-04-24 Richard Guenther <rguenther@suse.de>
6603 Olga Golovanevsky <olga@il.ibm.com>
6604
6605 * fold-const.c (multiple_of_p): Check for bottom
6606 to be zero.
6607
6608 2007-04-24 Richard Henderson <rth@redhat.com>
6609
6610 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
6611 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
6612 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
6613 looking for non-zero bits shifted out. Avoid a recursive call
6614 when constructing the scalar.
6615 (__floatundisf): Likewise.
6616
6617 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
6618
6619 * dwarf2out.c (field_byte_offset): Move the existing logic
6620 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
6621 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
6622
6623 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6624
6625 PR target/31641
6626 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
6627 argument of 0 for memset.
6628 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
6629 unsigned shift instead of the signed variant.
6630
6631 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6632
6633 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
6634 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
6635 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
6636 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6637 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
6638 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
6639 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
6640 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
6641 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
6642 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
6643 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
6644 "mul<mode>3", "div<mode>3"): Insn definitions added.
6645 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
6646 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
6647 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
6648 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
6649 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
6650 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
6651 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
6652 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
6653 TARGET_FLOAT_FORMAT): Macro definitions removed.
6654 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
6655 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
6656 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
6657 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
6658 (s390_gen_rtx_const_DI): Function removed.
6659 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
6660
6661 2007-04-24 Richard Sandiford <richard@codesourcery.com>
6662
6663 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
6664 over an external ffs function.
6665
6666 2007-04-24 Chao-ying Fu <fu@mips.com>
6667 Richard Sandiford <richard@nildram.co.uk>
6668
6669 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
6670 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
6671 (smadd_widen_optab, umadd_widen_optab): Define.
6672 * optabs.c (init_optabs): Initialize smadd_widen_optab and
6673 umadd_widen_optab.
6674 * genopinit.c (optabs): Fill in smadd_widen_optab and
6675 umadd_widen_optab.
6676 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
6677 and umadd_widen_optab to implement multiply-add sequences.
6678 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
6679 (<u>maddsidi4): ...this. Extend condition to include
6680 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
6681 of operand 0 to "ka" and use the three-operand form of madd<u>
6682 for TARGET_DSPR2.
6683 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
6684 to define_expands.
6685 * config/mips/constraints.md (ka): New register constraint.
6686
6687 2007-04-24 Jan Hubicka <j@suse.cz>
6688
6689 Revert:
6690
6691 2007-04-23 Jan Hubicka <jh@suse.cz>
6692 * function.c (init_function_start): Don't init line number info.
6693 (expand_function_end): Update.
6694 (reset_block_changes, record_block_change, finalize_block_changes,
6695 check_block_change, free_block_changes): Kill.
6696 * function.h (reset_block_changes, record_block_change,
6697 finalize_block_changes, check_block_change, free_block_changes): Remove
6698 prototypes.
6699 (struct function): Remove ib_boundaries_block.
6700 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6701 Use curr_insn_locator to initialize locator.
6702 (emit_line_note): Remove.
6703 * cfgexpand.c (expand_gimple_cond_expr): Update.
6704 (construct_exit_block): Likewise.
6705 (tree_expand_cfg): Initialize/finalize locators.
6706 * expr.c (expand_expr_real): Update.
6707 * cfglayout.c (line_locators_locs, line_locators_lines,
6708 file_locators_locs, file_locators_files): Remove.
6709 (set_block_levels): Move to cfgexpand.c.
6710 (insn_locators_initialize): Remove.
6711 (pass_insn_locators_initialize): Remove.
6712 (locations_locators_locs, locations_locators_vals): New static vars.
6713 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6714 Likewise.
6715 (insn_locators_alloc, insn_locators_finalize,
6716 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6717 New functions.
6718 (locator_location): New.
6719 (locator_line, locator_file): Rewrite.
6720 * rtl.h (emit_line_note): Kill.
6721 (insn_locators_alloc, insn_locators_finalize,
6722 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6723 Declare.
6724 * tree-inline.c (initialize_cfun): Do not initialize
6725 ib_boundaries_block.
6726 * passes.c (pass_insn_locators_initialize): Remove.
6727
6728 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
6729
6730 * doc/invoke.texi: Removed leading '-' from option index entries.
6731
6732 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
6733
6734 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
6735 Use phi_nodes_ptr.
6736 (create_phi_node): Use set_phi_nodes.
6737 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
6738 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
6739 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
6740 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
6741 (bsi_start, bsi_last): Use bb_stmt_list.
6742 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
6743 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
6744 Traverse the statements using tsi iterator.
6745 * basic-block.h (struct basic_block_def): Fields stmt_list
6746 and phi_nodes moved to ...
6747 (struct tree_bb_info): ... new structure.
6748 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
6749 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
6750 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
6751 (tree_verify_flow_info): Verify that il.tree is not set for
6752 entry and exit block.
6753 (tree_split_block): Use set_bb_stmt_list.
6754
6755 2007-04-23 Mike Stump <mrs@apple.com>
6756
6757 * config/i386/i386.c (ix86_tune_features
6758 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
6759 nocona and core2.
6760
6761 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6762
6763 * config/i386/i386.md (prefix_extra): New attribute.
6764 (length): Add prefix_extra.
6765
6766 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
6767 (sse2_movntv2di): Likewise.
6768 (sse2_cvtps2dq): Likewise.
6769 (sse2_cvtpd2pi): Likewise.
6770 (sse2_cvttpd2pi): Likewise.
6771 (*sse2_cvtpd2ps): Likewise.
6772 (*add<mode>3): Likewise.
6773 (sse2_ssadd<mode>3): Likewise.
6774 (sse2_usadd<mode>3): Likewise.
6775 (*sub<mode>3): Likewise.
6776 (sse2_sssub<mode>3): Likewise.
6777 (sse2_ussub<mode>3): Likewise.
6778 (*mulv8hi3): Likewise.
6779 (*smulv8hi3_highpart): Likewise.
6780 (*umulv8hi3_highpart): Likewise.
6781 (sse2_umulv2siv2di3): Likewise.
6782 (sse2_pmaddwd): Likewise.
6783 (ashr<mode>3): Likewise.
6784 (lshr<mode>3): Likewise.
6785 (ashl<mode>3): Likewise.
6786 (sse2_ashlti3): Likewise.
6787 (sse2_lshrti3): Likewise.
6788 (*umaxv16qi3): Likewise.
6789 (*smaxv8hi3): Likewise.
6790 (*uminv16qi3): Likewise.
6791 (*sminv8hi3): Likewise.
6792 (sse2_eq<mode>3): Likewise.
6793 (sse2_gt<mode>3): Likewise.
6794 (*and<mode>3): Likewise.
6795 (sse2_nand<mode>3): Likewise.
6796 (*ior<mode>3): Likewise.
6797 (*xor<mode>3): Likewise.
6798 (sse2_packsswb): Likewise.
6799 (sse2_packssdw): Likewise.
6800 (sse2_packuswb): Likewise.
6801 (sse2_punpckhbw): Likewise.
6802 (sse2_punpcklbw): Likewise.
6803 (sse2_punpckhwd): Likewise.
6804 (sse2_punpcklwd): Likewise.
6805 (sse2_punpckhdq): Likewise.
6806 (sse2_punpckldq): Likewise.
6807 (sse2_punpckhqdq): Likewise.
6808 (sse2_punpcklqdq): Likewise.
6809 (*sse2_pinsrw): Likewise.
6810 (*sse2_pextrw): Likewise.
6811 (sse2_pshufd_1): Likewise.
6812 (sse2_uavgv16qi3): Likewise.
6813 (sse2_uavgv8hi3): Likewise.
6814 (sse2_psadbw): Likewise.
6815 (sse2_pmovmskb): Likewise.
6816 (*sse2_maskmovdqu): Likewise.
6817 (*sse2_maskmovdqu_rex64): Likewise.
6818 (sse4a_extrqi): Likewise.
6819 (sse4a_extrq): Likewise.
6820 (sse3_lddqu): Set prefix_rep.
6821 (sse3_addsubv4sf3): Likewise.
6822 (sse3_haddv4sf3): Likewise.
6823 (sse3_hsubv4sf3): Likewise.
6824 (sse_cvtss2si): Likewise.
6825 (sse_cvtss2si_2): Likewise.
6826 (sse_cvtss2siq): Likewise.
6827 (sse_cvtss2siq_2): Likewise.
6828 (sse_cvttss2si): Likewise.
6829 (sse_cvttss2siq): Likewise.
6830 (sse2_cvttps2dq): Likewise.
6831 (sse3_movshdup): Likewise.
6832 (sse3_movsldup): Likewise.
6833 (sse2_cvtsd2si): Likewise.
6834 (sse2_cvtsd2si_2): Likewise.
6835 (sse2_cvtsd2siq): Likewise.
6836 (sse2_cvtsd2siq_2): Likewise.
6837 (sse2_cvttsd2si): Likewise.
6838 (sse2_cvttsd2siq): Likewise.
6839 (*sse2_cvtpd2dq): Likewise.
6840 (*sse2_cvttpd2dq): Likewise.
6841 (sse2_pshuflw_1): Likewise.
6842 (sse2_pshufhw_1): Likewise.
6843 (sse4a_insertqi): Likewise.
6844 (sse4a_insertq): Likewise.
6845 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
6846 (ssse3_phadddv4si3): Likewise.
6847 (ssse3_phaddswv8hi3): Likewise.
6848 (ssse3_phsubwv8hi3): Likewise.
6849 (ssse3_phsubdv4si3): Likewise.
6850 (ssse3_phsubswv8hi3): Likewise.
6851 (ssse3_pmaddubswv8hi3): Likewise.
6852 (ssse3_pmulhrswv8hi3): Likewise.
6853 (ssse3_pshufbv16qi3): Likewise.
6854 (ssse3_psign<mode>3): Likewise.
6855 (ssse3_palignrti): Likewise.
6856 (abs<mode>2): Likewise.
6857 (ssse3_phaddwv4hi3): Set prefix_extra.
6858 (ssse3_phadddv2si3): Likewise.
6859 (ssse3_phaddswv4hi3): Likewise.
6860 (ssse3_phsubwv4hi3): Likewise.
6861 (ssse3_phsubdv2si3): Likewise.
6862 (ssse3_phsubswv4hi3): Likewise.
6863 (ssse3_pmaddubswv4hi3): Likewise.
6864 (ssse3_pmulhrswv4hi3): Likewise.
6865 (ssse3_pshufbv8qi3): Likewise.
6866 (ssse3_psign<mode>3): Likewise.
6867 (ssse3_palignrdi): Likewise.
6868 (abs<mode>2): Likewise.
6869 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
6870 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
6871 (sse2_pmovmskb): Set mode to SI instead of V2DF.
6872
6873 2007-04-23 Nick Clifton <nickc@redhat.com>
6874
6875 * params.def: Fix formatting of emacs local variables.
6876
6877 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6878
6879 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
6880 move if inter-unit move isn't allowed.
6881 Don't split moving the first element of V2DI to DI to inter-unit
6882 move if inter-unit move isn't allowed.
6883
6884 2007-04-23 Richard Guenther <rguenther@suse.de>
6885
6886 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
6887 and CDI_POST_DOMINATORS separately.
6888
6889 2007-04-23 Nick Clifton <nickc@redhat.com>
6890
6891 * c.opt (Wformat-contains-nul): Add warning attribute.
6892
6893 2007-04-23 Jan Hubicka <jh@suse.cz>
6894
6895 * function.c (init_function_start): Don't init line number info.
6896 (expand_function_end): Update.
6897 (reset_block_changes, record_block_change, finalize_block_changes,
6898 check_block_change, free_block_changes): Kill.
6899 * function.h (reset_block_changes, record_block_change,
6900 finalize_block_changes, check_block_change, free_block_changes): Remove
6901 prototypes.
6902 (struct function): Remove ib_boundaries_block.
6903 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6904 Use curr_insn_locator to initialize locator.
6905 (emit_line_note): Remove.
6906 * cfgexpand.c (expand_gimple_cond_expr): Update.
6907 (construct_exit_block): Likewise.
6908 (tree_expand_cfg): Initialize/finalize locators.
6909 * expr.c (expand_expr_real): Update.
6910 * cfglayout.c (line_locators_locs, line_locators_lines,
6911 file_locators_locs, file_locators_files): Remove.
6912 (set_block_levels): Move to cfgexpand.c.
6913 (insn_locators_initialize): Remove.
6914 (pass_insn_locators_initialize): Remove.
6915 (locations_locators_locs, locations_locators_vals): New static vars.
6916 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6917 Likewise.
6918 (insn_locators_alloc, insn_locators_finalize,
6919 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6920 New functions.
6921 (locator_location): New.
6922 (locator_line, locator_file): Rewrite.
6923 * rtl.h (emit_line_note): Kill.
6924 (insn_locators_alloc, insn_locators_finalize,
6925 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6926 Declare.
6927 * tree-inline.c (initialize_cfun): Do not initialize
6928 ib_boundaries_block.
6929 * passes.c (pass_insn_locators_initialize): Remove.
6930
6931 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
6932
6933 PR middle-end/31448
6934 * expr.c (reduce_to_bit_field_precision): Handle
6935 CONST_INT rtx's.
6936
6937 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
6938
6939 PR tree-optimization/24659
6940 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
6941 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
6942 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
6943 * genopinit.c (optabs): Rename vec_pack_mod_optab
6944 to vec_pack_trunc_optab.
6945 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
6946 early for scalar floating point operands for NOP_EXPR.
6947 (vectorizable_type_promotion): Ditto.
6948 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
6949 vec_pack_trunc_optab.
6950 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
6951
6952 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
6953 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
6954 Rename from VEC_PACK_MOD_EXPR.
6955 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
6956 * expr.c (expand_expr_real_1): Ditto.
6957 * tree-inline.c (estimate_num_insns_1): Ditto.
6958 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
6959
6960 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
6961 (vec_unpacks_lo_v4sf): Ditto.
6962 (vec_pack_trunc_v2df): Ditto.
6963 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
6964 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6965 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
6966
6967 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
6968 vec_pack_mod_v8hi.
6969 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6970
6971 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
6972 Rename from VEC_PACK_MOD_EXPR. This expression also represent
6973 packing of floating point operands.
6974 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
6975 represent unpacking of floating point operands.
6976 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
6977 [vec_unpacks_hi]: Ditto.
6978 [vec_unpacks_lo]: Ditto.
6979
6980 2007-04-22 Jan Hubicka <jh@suse.cz>
6981
6982 * final.c (rest_of_handle_final): Call
6983 targetm.asm_out.constructor/targetm.asm_out.destructor
6984 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
6985 proper priority via decl_*_priority_insert.
6986 * c-common.c (c_expand_body): Likewise.
6987
6988 2007-04-22 Richard Guenther <rguenther@suse.de>
6989
6990 PR tree-optimization/29789
6991 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
6992 (rewrite_reciprocal): New helper split out from
6993 determine_invariantness_stmt.
6994 (rewrite_bittest): Likewise.
6995 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
6996 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
6997 is not.
6998
6999 2007-04-22 Revital Eres <eres@il.ibm.com>
7000
7001 * loop-unroll.c (var_to_expand): New field to support also
7002 insns of the form x = something + x.
7003 (analyze_insn_to_expand_var): Use it.
7004 (expand_var_during_unrolling): Likewise.
7005
7006 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7007
7008 * predict.c: Include pointer-set.h.
7009 (bb_predictions): New variable.
7010 (tree_predicted_by_p, tree_predict_edge,
7011 remove_predictions_associated_with_edge): Use bb_predictions map
7012 instead of bb->predictions.
7013 (clear_bb_predictions, assert_is_empty): New functions.
7014 (combine_predictions_for_bb): Use bb_predictions map. Call
7015 clear_bb_predictions.
7016 (tree_estimate_probability): Create and free bb_predictions map.
7017 * Makefile.in (predict.o): Add pointer-set.h dependency.
7018 * basic-block.h (struct basic_block_def): Remove predictions
7019 field.
7020 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
7021
7022 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
7023
7024 PR target/31480
7025 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
7026 is null.
7027
7028 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7029
7030 * timevar.c (timevar_print): Change reference of --disable-checking to
7031 --enable-checking=release. Also warn if assert checking is disabled.
7032
7033 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7034
7035 PR C/30265
7036 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
7037 decl as addressable if the compound literal was marked as
7038 addressable.
7039 Mark the decl as a gimple register if it is a complex or
7040 vector decl and does not live in memory.
7041
7042 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7043
7044 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
7045 (GENERIC_NEXT): New function macro.
7046 (PHI_CHAIN): Use phi_node's new chain variable.
7047 (tree_phi_node): Change tree_common to tree_base
7048 and add the chain field.
7049 * tree-phinodes.c (make_phi_node): Don't set
7050 TREE_TYPE on the new node.
7051 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
7052 instead of checking GIMPLE_TUPLE_P in chain_next.
7053 * tree-vect-transform.c
7054 (get_initial_def_for_induction): Look at
7055 PHI_RESULT_TREE for the type of the phi node.
7056 (update_vuses_to_preheader): Use PHI_CHAIN
7057 instead of TREE_CHAIN on the phi node.
7058 * tree-ssa-structalias.c (compute_points_to_sets):
7059 Likewise.
7060 (ipa_pta_execute): Likewise.
7061
7062 2007-04-21 Richard Guenther <rguenther@suse.de>
7063
7064 PR middle-end/31136
7065 * fold-const.c (fold_unary): Call fold_convert_const on the
7066 original tree.
7067
7068 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
7069
7070 * gcse.c (store_killed_in_insn): Handle PARALLELs.
7071 (store_killed_in_pat): New.
7072
7073 2007-04-20 Richard Henderson <rth@redhat.com>
7074
7075 PR target/31628
7076 * config/i386/i386.c (type_has_variadic_args_p): Look for any
7077 TREE_LIST with a void_type_node value, not void_list_node exactly.
7078
7079 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
7080
7081 * doc/standards.texi: Re-arrange into language-specific
7082 subsections. Add a C++ section, documenting which standards we
7083 support.
7084
7085 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7086
7087 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
7088 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
7089
7090 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
7091
7092 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
7093 ecrti.o and crtbegin.o.
7094 (LIB_DEFAULT_SPEC): Include -lc.
7095 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
7096
7097 2007-04-20 Richard Henderson <rth@redhat.com>
7098
7099 PR target/28623
7100 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
7101 argument; update all callers.
7102 (get_unaligned_offset): New.
7103 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
7104 get_unaligned_address, just pass on the address directly.
7105 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
7106 the subreg in the helper patterns.
7107 (unaligned_extendqidi_le): Use get_unaligned_offset.
7108 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
7109 (unaligned_extendhidi_be): Likewise.
7110 (unaligned_extendhidi): Tidy.
7111 * config/alpha/alpha-protos.h: Update.
7112
7113 2007-04-20 Richard Henderson <rth@redhat.com>
7114
7115 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
7116 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
7117 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
7118 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7119 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7120 (CPP_SPEC): Don't include %(cpp_subtarget).
7121 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
7122 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7123 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
7124
7125 2007-04-20 Jakub Jelinek <jakub@redhat.com>
7126
7127 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
7128 for __builtin_ia32_cmpordss.
7129
7130 PR tree-optimization/31632
7131 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
7132 and arg1 for optimizations of comparison against min/max values.
7133 Fold arg0 to arg1's type for optimizations of comparison against
7134 min+1 and max-1 values.
7135
7136 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
7137
7138 * reload.c (combine_reloads): When trying to use a dying register,
7139 check whether it's uninitialized and don't use if so.
7140
7141 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
7142
7143 * fold-const.c: Remove prototypes for native_encode_expr and
7144 native_interpret_expr.
7145 (native_encode_expr): Make non-static.
7146 (native_interpret_expr): Likewise.
7147 * tree.h: Add prototypes for the above.
7148
7149 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7150
7151 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
7152 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
7153 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
7154 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
7155 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
7156 Add length attributes.
7157
7158 2007-04-19 Janis Johnson <janis187@us.ibm.com>
7159
7160 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
7161 not that it is 1.
7162
7163 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7164 __STDC_WANT_DEC_FP__.
7165
7166 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7167
7168 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
7169 for long double compatibility.
7170 * configure: Regenerate.
7171
7172 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
7173
7174 PR rtl-optimization/29841
7175 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
7176 trap instructions.
7177 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
7178 that may cause control flow transfer from being moved.
7179
7180 2007-04-18 Jan Hubicka <jh@suse.cz>
7181
7182 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
7183 types.
7184
7185 2007-04-18 Eric Christopher <echristo@apple.com>
7186
7187 * config/rs6000/darwin.md (load_macho_picbase): Use link register
7188 only. Update operands.
7189 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
7190 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7191 link register to pic register.
7192
7193 2007-04-18 Dirk Mueller <dmueller@suse.de>
7194
7195 PR diagnostic/31227
7196 * tree-vrp.c (search_for_addr_array): New.
7197 (check_array_bounds): Suppress warning about
7198 address taken of array refs if its not de-referenced.
7199
7200 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7201
7202 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
7203 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
7204
7205 * tree-vectorizer.h (NITERS_KNOWN_P): New.
7206 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
7207 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
7208
7209 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
7210 dump print.
7211 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
7212 print message.
7213 (vect_analyze_scalar_cycles): Fix indentation.
7214 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
7215 (vect_mark_relevant): Include phis in relevance analysis.
7216
7217 * tree-vect-transform.c (vect_transform_loop): Add an assert.
7218
7219 2007-04-18 Anatoly Sokolov <aesok@post.ru>
7220
7221 * config/avr/avr.c (ptrreg_to_str): Replace error() with
7222 output_operand_lossage().
7223
7224 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7225
7226 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
7227 the unused code for reduction without adjust-in-epilog to simplify the
7228 function.
7229
7230 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
7231
7232 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
7233 (S390_TDC_NEGATIVE_ZERO): New constant.
7234 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
7235 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
7236 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
7237 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
7238 (S390_TDC_POSITIVE_INFINITY): New constant.
7239 (S390_TDC_NEGATIVE_INFINITY): New constant.
7240 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
7241 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
7242 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
7243 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
7244 (S390_TDC_INFINITY): New constant.
7245 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
7246 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
7247 optimization for UNSPEC_CCZ_TO_INT.
7248 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
7249 ("*ccz_to_int"): New insn.
7250 ("isinf<mode>2"): New insn.
7251 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
7252 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
7253 (UNSPEC_CCZ_TO_INT): New constant.
7254
7255 2007-04-18 Richard Guenther <rguenther@suse.de>
7256
7257 PR tree-optimization/19431
7258 PR tree-optimization/21463
7259 * tree-pass.h (pass_phiprop): Declare.
7260 * passes.c (init_optimization_passes): New phiprop pass.
7261 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
7262 (phivn_valid_p): New helper function.
7263 (phiprop_insert_phi): Likewise.
7264 (propagate_with_phi): Likewise.
7265 (tree_ssa_phiprop): New propagator propagating loads
7266 through phi nodes if profitable.
7267
7268 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7269
7270 * tree-vect-analyze.c (process_use): New function.
7271 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
7272 Check phis in all bbs.
7273 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
7274 assert.
7275
7276 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
7277
7278 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
7279 we use REG_EQUAL.
7280
7281 2007-04-17 Anatoly Sokolov <aesok@post.ru>
7282
7283 PR target/30483
7284 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
7285 error().
7286
7287 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
7288
7289 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
7290 on "0".
7291 (sse_vmmulv4sf3): Likewise.
7292 (sse2_vmaddv2df3): Likewise.
7293 (sse2_vmmulv2df3): Likewise.
7294
7295 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
7296
7297 PR rtl-optimization/31360
7298 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
7299 (target_reg_cost): New.
7300 (init_set_costs): Initialize target_reg_cost. Add comments
7301 regarding the rationale of the costs.
7302 (global_cost_for_size): Renamed to...
7303 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
7304 of register pressure.
7305 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
7306 estimate_reg_pressure_cost. Add number of ivs.
7307 (determine_set_costs): Dump target_reg_cost.
7308 * loop-invariant.c (gain_for_invariant): Use
7309 estimate_reg_pressure_cost. Removed n_inv_uses argument.
7310 (best_gain_for_invariant, find_invariants_to_move): Remove
7311 n_inv_uses.
7312 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
7313 (target_reg_cost): Declare.
7314 (global_cost_for_size): Declaration removed.
7315 (estimate_reg_pressure_cost): Declare.
7316
7317 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
7318
7319 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
7320 regnos into even/odd register pairs.
7321 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
7322 TDmode similar to the other floating point modes.
7323 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
7324 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
7325 define_expand's.
7326 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
7327 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
7328 (movdd_hardfloat64): Use TARGET_MFPGPR.
7329
7330 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
7331
7332 * reload1.c (delete_output_reload): Don't count output in n_inherited.
7333
7334 Revert
7335 2005-01-05 Richard Henderson <rth@redhat.com>
7336 PR rtl-opt/10692
7337 * reload1.c (do_input_reload): Restrict the optimization deleteing
7338 a previous output reload to RELOAD_FOR_INPUT.
7339
7340 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
7341
7342 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
7343 induc_vec_info_type.
7344 (vectorizable_induction): New function declaration.
7345 * tree-vect-transform.c (get_initial_def_for_induction): No need to
7346 check if already vectorized. Find first place in BB where new stmts
7347 can be inserted. Takes only one argument.
7348 (vectorizable_induction): New function.
7349 (vect_transform_stmt): Add case for induc_vec_info_type to call
7350 vectorizable_induction.
7351 (vect_transform_loop): Consider phis for vectorization.
7352 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
7353 condition.
7354 (analyze_operations): Call vectorizable_induction when analyzing phis.
7355 Fix comment.
7356 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
7357 (vect_mark_relevant): Include phis in relevance analysis.
7358 (vect_mark_stmts_to_be_vectorize): Likewise.
7359 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
7360
7361 2007-04-16 Lawrence Crowl <crowl@google.com>
7362
7363 * doc/invoke.texi (Debugging Options): Add documentation for the
7364 -femit-struct-debug options -femit-struct-debug-baseonly,
7365 -femit-struct-debug-reduced, and
7366 -femit-struct-debug-detailed[=...].
7367
7368 * c-opts.c (c_common_handle_option): Add
7369 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
7370 and OPT_femit_struct_debug_detailed_.
7371 * c.opt: Add specifications for
7372 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
7373 and -femit-struct-debug-detailed[=...].
7374 * opts.c (set_struct_debug_option): Parse the
7375 -femit-struct-debug-... options.
7376 * opts.c (matches_main_base, main_input_basename,
7377 main_input_baselength, base_of_path, matches_main_base): Add
7378 variables and functions to compare header base name to compilation
7379 unit base name.
7380 * opts.c (should_emit_struct_debug): Add to determine to emit a
7381 structure based on the option.
7382 (dump_struct_debug) Also disabled function to debug this
7383 function.
7384 * opts.c (handle_options): Save the base name of the
7385 compilation unit.
7386
7387 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
7388 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
7389 This hook indicates if a type is generic. Set it by default
7390 to "never generic".
7391 * langhooks.h (struct lang_hooks_for_types): Add a new hook
7392 to determine if a struct type is generic or not.
7393 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
7394 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
7395 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
7396 with live C++ hook.
7397
7398 * flags.h (enum debug_info_usage): Add an enumeration to describe
7399 a program's use of a structure type.
7400 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
7401 to indicate the program's usage of the type. Filter structs based
7402 on the -femit-struct-debug-... specification.
7403 (gen_type_die): Split into two routines, gen_type_die and
7404 gen_type_die_with_usage. gen_type_die is now a wrapper
7405 that assumes direct usage.
7406 (gen_type_die_with_usage): Replace calls to gen_type_die
7407 with gen_type_die_with_usage adding the program usage of
7408 the referenced type.
7409 (dwarf2out_imported_module_or_decl): Suppress struct debug
7410 information using should_emit_struct_debug when appropriate.
7411
7412 2007-04-16 Ian Lance Taylor <iant@google.com>
7413
7414 PR tree-optimization/31522
7415 * tree-vrp.c (vr_phi_edge_counts): New static variable.
7416 (vrp_initialize): Allocate vr_phi_edge_counts.
7417 (vrp_visit_phi_node): Don't push to infinity if we saw a new
7418 executable edge. Drop test for all constants.
7419 (vrp_finalize): Free vrp_phi_edge_counts.
7420
7421 * doc/cpp.texi (Common Predefined Macros): Clarify description of
7422 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7423
7424 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
7425 predecessors at head rather than tail.
7426
7427 2007-04-16 Matthias Klose <doko@debian.org>
7428
7429 * config/alpha/linux.h (CPP_SPEC): Define.
7430 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
7431
7432 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
7433
7434 * function.h: Remove sequence_stack extern declaration.
7435
7436 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7437
7438 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
7439 TARGET_FIDOA.
7440 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
7441 defined.
7442
7443 2007-04-16 Anatoly Sokolov <aesok@post.ru>
7444
7445 * config/avr/avr.c (avr_arch_types): Rearranging array.
7446 (enum avr_arch): Add.
7447 (avr_mcu_types): Use avr_arch enumeration constants instead of
7448 numbers.
7449 * config/avr/avr.h (LINK_SPEC): Simplify.
7450
7451 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7452
7453 * config/m68k/m68k.c (m68k_libcall_value,
7454 m68k_function_value): Use macros for register names more.
7455
7456 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
7457 instead.
7458 (M68K_REGNAME): Use A6_REG.
7459 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
7460
7461 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7462
7463 PR middle-end/28071
7464 * sched-int.h (struct deps): Split field 'pending_lists_length' into
7465 'pending_read_list_length' and 'pending_write_list_length'. Update
7466 comment.
7467 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
7468 to handle two length counters instead of one. Update all uses.
7469 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
7470 two length counters instead of one.
7471 * sched-rgn.c (propagate_deps): Update to handle two length counters
7472 instead of one.
7473
7474 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
7475
7476 PR target/31582
7477 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
7478 copy of source, pass it to ix86_expand_vector_set and return
7479 it as target.
7480
7481 2007-04-16 David Ung <davidu@mips.com>
7482 Joseph Myers <joseph@codesourcery.com>
7483
7484 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
7485 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
7486 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
7487 Add 74K processor information.
7488 * config/mips/mips.md: Include 74k.md.
7489 (cpu): Add 74kc,74kf,74kx.
7490 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
7491 * config/mips/74k.md: New.
7492 * doc/invoke.texi (MIPS Options): Document 74K support.
7493
7494 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
7495
7496 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
7497 vectorizable_* functions.
7498 * tree-vect-transform.c (vectorizable_call): Add check for
7499 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
7500 (vectorizable_store): likewise.
7501 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
7502 Add comments.
7503 (vectorizable_operation, vectorizable_type_demotion): Likewise.
7504 (vectorizable_type_promotion, vectorizable_load): Likewise.
7505 (vectorizable_live_operation, vectorizable_condition): Likewise.
7506 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
7507 STMT_VINFO_LIVE_P.
7508 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
7509
7510 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7511
7512 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
7513 register numbers more.
7514 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
7515 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
7516 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
7517 FUNCTION_VALUE_REGNO_P): Likewise.
7518 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
7519 STATIC_CHAIN_REGNUM): Likewise.
7520 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
7521 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
7522 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
7523 * config/m68k/m68k.md (FP_REG): New.
7524
7525 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7526
7527 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
7528 alignment on fido.
7529
7530 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7531
7532 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
7533 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
7534 comment typos.
7535
7536 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7537
7538 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
7539 cold loops.
7540
7541 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
7542
7543 PR c/31520
7544 * c-decl.c (finish_decl): Grab the type of the decl after the call
7545 to store_init_value.
7546
7547 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
7548
7549 * common.opt (fforward-propagate): Fix "Optimization" annotation.
7550
7551 2007-04-14 Jakub Jelinek <jakub@redhat.com>
7552
7553 PR c++/25874
7554 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
7555 post dominators and cleanup cfg before returning.
7556
7557 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
7558
7559 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
7560 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
7561
7562 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
7563
7564 * config.gcc: Recognize fido.
7565 * config/m68k/m68k-devices.def (fidoa): New.
7566 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
7567 __mfido__.
7568 (FL_FIDOA, TARGET_FIDOA): New.
7569 * config/m68k/m68k.opt (mfidoa): New.
7570
7571 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7572
7573 PR middle-end/31322
7574 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
7575 when a personality function is used.
7576
7577 2007-04-13 Bob Wilson <bob.wilson@acm.org>
7578
7579 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
7580
7581 2007-04-13 Mike Stump <mrs@apple.com>
7582
7583 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
7584 we can...
7585 * config/darwin.opt (fapple-kext): Make C++ only.
7586 * config/darwin.c (darwin_override_options): Remove code to ensure
7587 -fapple-kext is given for C++ only.
7588
7589 2007-04-13 Richard Sandiford <richard@codesourcery.com>
7590
7591 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
7592 * config/mips/mips.c (override_options): Call
7593 SUBTARGET_OVERRIDE_OPTIONS, if defined.
7594
7595 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7596
7597 * config/i386/i386.opt (msvr3-shlib): Removed.
7598
7599 * doc/invoke.texi: Remove -msvr3-shlib.
7600
7601 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7602
7603 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
7604 with "popcnt" instruction.
7605
7606 2007-04-13 Richard Guenther <rguenther@suse.de>
7607
7608 PR tree-optimization/21258
7609 * tree-vrp.c (compare_case_labels): New helper.
7610 (find_switch_asserts): New function.
7611 (find_assert_locations): Call it for SWITCH_EXPRs.
7612
7613 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
7614
7615 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
7616 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
7617 check is now implied in X87_FLOAT_MODE_P.
7618 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7619 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7620 (fix_trunc<mode>_i386_fisttp): Ditto.
7621 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7622 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7623 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7624 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7625 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7626 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7627 (unnamed_splitters): Ditto.
7628 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
7629 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
7630 FIRST_SSE_REG for local functions when SSE math is enabled or
7631 for functions with sseregparm attribute.
7632 (standard_80387_constant_p): Return -1 if mode is not
7633 X87_FLOAT_MODE_P.
7634 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
7635 (ix86_expand_compare): Ditto.
7636 (ix86_expand_carry_flag_compare): Ditto.
7637 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
7638 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
7639 DECIMAL_FLOAT_MODE_P.
7640 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
7641 of SCALAR_FLOAT_MODE_P.
7642 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
7643 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
7644 checks before FLOAT_MODE_P.
7645 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
7646 before FLOAT_MODE_P.
7647 [DIV]: Ditto.
7648 [NEG]: Ditto.
7649 [ABS]: Ditto.
7650 [SQRT]: Ditto.
7651 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
7652
7653 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
7654 Charles Wilson <libtool@cwilson.fastmail.fm>
7655
7656 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
7657 (libgcc.mvars): Don't depend on them.
7658 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
7659 * exec-tool.in: New.
7660
7661 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
7662
7663 * doc/invoke.text (--help): Document --help=common.
7664
7665 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
7666
7667 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
7668
7669 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7670
7671 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
7672 * genemit.c (main): Emit #include "integrate.h".
7673 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
7674 (LOADGP_RTP): New mips_loadgp_style.
7675 * config/mips/mips.h: Include config/vxworks-dummy.h.
7676 (TARGET_RTP_PIC): New macro.
7677 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
7678 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
7679 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
7680 for TARGET_RTP_PIC.
7681 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
7682 -mvxworks-pic when using -mrtp and a PIC option.
7683 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
7684 for RTP PIC.
7685 (mips_symbolic_constant_p, mips_symbolic_address_p)
7686 (mips_symbol_insns): Handle SYMBOL_HALF.
7687 (override_options): Warn about -G and -mrtp being used together.
7688 Initialize mips_lo_relocs[SYMBOL_HALF].
7689 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
7690 (mips_emit_loadgp): Handle LOADGP_RTP.
7691 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
7692 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
7693 (tablejump): Handle function-relative case table entries if
7694 TARGET_RTP_PIC.
7695 * config/mips/predicates.md (symbol_ref_operand): New predicate.
7696
7697 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7698
7699 * config/mips/mips.md (load_call<mode>): Allow any general register.
7700 destination.
7701 (sibcall_value_internal, sibcall_value_multiple_internal)
7702 (call_value_internal, call_value_split, call_value_multiple_internal)
7703 (call_value_multiple_split): Remove constraints from operand 0.
7704
7705 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7706
7707 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
7708 rather than loadgp_noshared.
7709 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
7710 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
7711 gen_loadgp.
7712 * config/mips/mips.md (loadgp): Rename to...
7713 (loadgp_newabi): ...this.
7714 (loadgp_noshared): Rename to...
7715 (loadgp_absolute): ...this.
7716
7717 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7718
7719 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
7720 false for locally-binding symbols.
7721 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
7722
7723 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7724
7725 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
7726 (SYMBOL_GOT_PAGE_OFST): ...this.
7727 (SYMBOL_GOT_GLOBAL): Rename to...
7728 (SYMBOL_GOT_DISP): ...this.
7729 (SYMBOL_GOTOFF_GLOBAL): Rename to...
7730 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
7731 * config/mips/mips.c (mips_global_symbol_p): New function.
7732 (mips_symbol_binds_local_p): Likewise.
7733 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
7734 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
7735 and mips_symbol_binds_local_p.
7736 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
7737 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
7738 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
7739 SYMBOL_GOTOFF_DISP.
7740 (mips_ok_for_lazy_binding_p): New function.
7741 (mips_load_call_address, mips_expand_call): Use it.
7742 (mips_dangerous_for_la25_p): Likewise.
7743 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
7744 (*got_disp<mode>): Use got_disp_operand instead of
7745 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
7746 SYMBOL_GOTOFF_GLOBAL.
7747 (*got_page<mode>): Use got_page_ofst_operand instead of
7748 local_got_operand.
7749 * config/mips/predicates.md (const_call_insn_operand): Use
7750 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
7751 (global_got_operand): Rename to...
7752 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
7753 SYMBOL_GOT_GLOBAL.
7754 (local_got_operand): Rename to...
7755 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
7756 of SYMBOL_GOT_LOCAL.
7757
7758 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7759
7760 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
7761 TARGET_CALL_CLOBBERED_GP.
7762 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7763 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
7764 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
7765 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
7766 of TARGET_ABICALLS && !TARGET_NEWABI.
7767 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7768 * config/mips/mips.c (mips_load_call_address): Check
7769 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7770 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7771 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7772 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
7773 TARGET_ABICALLS && TARGET_NEWABI.
7774 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
7775 TARGET_ABICALLS.
7776 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
7777 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
7778 TARGET_ABICALLS && TARGET_NEWABI.
7779 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
7780 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
7781 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
7782 whether indirect calls must use $25.
7783 (mips_extra_live_on_entry): Check TARGET_GOT instead of
7784 TARGET_ABICALLS.
7785 * config/mips/mips.md (jal_macro): Check flag_pic and
7786 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
7787 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
7788 instead of TARGET_ABICALLS.
7789 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
7790 TARGET_ABICALLS && TARGET_OLDABI.
7791 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7792 (sibcall): In the comment above the define_insn, mention
7793 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
7794 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
7795 instead of TARGET_ABICALLS.
7796
7797 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
7798
7799 * doc/md.texi (Blackfin family constraints): Document PA and PB.
7800 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
7801 (MACFLAGS_MATCH_P): New macro.
7802 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
7803 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
7804 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
7805 the other MACFLAG constants.
7806 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
7807 (flag_machi): Tighten constraints. Renumber some of the operands.
7808 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
7809 output template.
7810 (flag_machi_parts_acconly): New pattern.
7811 (flag_macinithi): Tighten constraints. Allow any accumulator to be
7812 used.
7813 (flag_macinit1hi): Tighten constraints.
7814 (flag_mul_macv2hi_parts_acconly): New pattern.
7815
7816 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
7817 Use a more efficient implementation.
7818 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
7819 inline sequences when not optimizing for size.
7820
7821 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
7822 movhi_high2low): Delete, merge functionality into...
7823 (packv2hi): ... this pattern.
7824
7825 2007-02-11 Jie Zhang <jie.zhang@analog.com>
7826 * config/bfin/bfin.opt (msim): New option.
7827 (mcpu=): New option.
7828 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
7829 (bfin_cpu_t): Typedef of enum bfin_cpu.
7830 (bfin_cpu_type): New declaration.
7831 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
7832 -msim and -mcpu= options.
7833 (LIB_SPEC): Likewise.
7834 * config/bfin/bfin.c (bfin_cpu_type): Define.
7835 (bfin_handle_option): Handle -mcpu= option.
7836 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
7837 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
7838 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
7839
7840 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7841
7842 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
7843 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
7844 (powerpc-wrs-vxworksae): Use ${tm_file}.
7845 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
7846 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
7847 * config/i386/vx-common.h: New file.
7848
7849 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7850
7851 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
7852 of crt0.o%s.
7853
7854 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
7855
7856 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
7857 ldxtr.
7858
7859 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
7860
7861 PR c++/31078
7862 PR c++/31103
7863 * c-common.c (c_build_qualified_type): Set canonical type
7864 appropriately.
7865
7866 2007-04-12 Richard Guenther <rguenther@suse.de>
7867
7868 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
7869 lower bound and element size if lower bound is not zero
7870 or either of the ARRAY_REF operands is set.
7871
7872 2007-04-12 Richard Guenther <rguenther@suse.de>
7873
7874 PR tree-optimization/24689
7875 PR tree-optimization/31307
7876 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
7877 indices by value.
7878 * gimplify.c (canonicalize_addr_expr): To be consistent with
7879 gimplify_compound_lval only set operands two and three of
7880 ARRAY_REFs if they are not gimple_min_invariant. This makes
7881 it never at this place.
7882 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
7883
7884 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7885
7886 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
7887 null before emitting a .nsubspa directive.
7888
7889 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7890
7891 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
7892 need_to_partition_p if there are no memory statements in the
7893 function.
7894
7895 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7896
7897 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
7898 (gcd_of_steps_may_divide_p): New function.
7899 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
7900
7901 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7902
7903 * reload.c (find_reloads_toplev, find_reloads_address,
7904 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
7905 not a pointer equality test, to decide if we need to call
7906 push_reg_equiv_alt_mem.
7907
7908 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
7909
7910 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
7911 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
7912 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
7913
7914 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7915
7916 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
7917 vector to be positive.
7918
7919 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7920
7921 PR 30735
7922 PR 31090
7923 * doc/invoke.texi: Document --params max-aliased-vops and
7924 avg-aliased-vops.
7925 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
7926 debug_memory_partitions): Move to tree-flow.h
7927 * params.h (AVG_ALIASED_VOPS): Define.
7928 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
7929 users.
7930 (mp_info_t): Likewise.
7931 (get_mem_sym_stats_for): New.
7932 (set_memory_partition): Move from tree-flow-inline.h.
7933 (mark_non_addressable): Only clear the set of symbols for the
7934 partition if it exists.
7935 (dump_memory_partitions): Move from tree-ssa-operands.c
7936 (debug_memory_partitions): Likewise.
7937 (need_to_partition_p): New.
7938 (dump_mem_ref_stats): New.
7939 (debug_mem_ref_stats): New.
7940 (dump_mem_sym_stats): New.
7941 (debug_mem_sym_stats): New.
7942 (update_mem_sym_stats_from_stmt): New.
7943 (compare_mp_info_entries): New.
7944 (mp_info_cmp): Call it.
7945 (sort_mp_info): Change argument to a list of mem_sym_stats_t
7946 objects.
7947 (get_mpt_for): Move from tree-ssa-operands.c.
7948 (find_partition_for): New.
7949 (create_partition_for): Remove.
7950 (estimate_vop_reduction): New.
7951 (update_reference_counts): New.
7952 (build_mp_info): New.
7953 (compute_memory_partitions): Refactor.
7954 Document new heuristic.
7955 Call build_mp_info, update_reference_counts,
7956 find_partition_for and estimate_vop_reduction.
7957 (compute_may_aliases): Populate virtual operands before
7958 calling debugging dumps.
7959 (delete_mem_sym_stats): New.
7960 (delete_mem_ref_stats): New.
7961 (init_mem_ref_stats): New.
7962 (init_alias_info): Call it.
7963 (maybe_create_global_var): Remove alias_info argument.
7964 Get number of call sites and number of pure/const call sites
7965 from gimple_mem_ref_stats().
7966 (dump_alias_info): Call dump_memory_partitions first.
7967 (dump_points_to_info_for): Show how many times a pointer has
7968 been dereferenced.
7969 * opts.c (decode_options): For -O2 set --param
7970 max-aliased-vops to 500.
7971 For -O3 set --param max-aliased-vops to 1000 and --param
7972 avg-aliased-vops to 3.
7973 * fortran/options.c (gfc_init_options): Remove assignment to
7974 MAX_ALIASED_VOPS.
7975 * tree-flow-inline.h (gimple_mem_ref_stats): New.
7976 * tree-dfa.c (dump_variable): Dump memory reference
7977 statistics.
7978 Dump NO_ALIAS* settings.
7979 (referenced_var_lookup): Tidy.
7980 (mem_sym_stats): New.
7981 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
7982 and ORIG are different SSA names for a memory partition.
7983 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
7984 * tree-flow.h (struct mem_sym_stats_d): Define.
7985 (mem_sym_stats_t): Define.
7986 (struct mem_ref_stats_d): Define.
7987 (struct gimple_df): Add field mem_ref_stats.
7988 (enum noalias_state): Define.
7989 (struct var_ann_d): Add bitfield noalias_state.
7990 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
7991 debug_mem_ref_stats, debug_memory_partitions,
7992 debug_mem_sym_stats): Declare.
7993 * tree-ssa-structalias.c (update_alias_info): Update call
7994 sites, pure/const call sites and asm sites in structure
7995 returned by gimple_mem_ref_stats.
7996 Remove local variable IS_POTENTIAL_DEREF.
7997 Increase NUM_DEREFS if the memory expression is a potential
7998 dereference.
7999 Call update_mem_sym_stats_from_stmt.
8000 If the memory references memory, call
8001 update_mem_sym_stats_from_stmt for all the direct memory
8002 symbol references found.
8003 (intra_create_variable_infos): Set noalias_state field for
8004 pointer arguments according to the value of
8005 flag_argument_noalias.
8006 * tree-ssa-structalias.h (struct alias_info): Remove fields
8007 num_calls_found and num_pure_const_calls_found.
8008 (update_mem_sym_stats_from_stmt): Declare.
8009 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
8010 Set default value to 100.
8011 (PARAM_AVG_ALIASED_VOPS): Define.
8012
8013 2007-04-11 Richard Guenther <rguenther@suse.de>
8014
8015 PR middle-end/31530
8016 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
8017 a * -b + c as c - a * b if we honor sign dependent rounding.
8018
8019 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
8020
8021 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
8022 bfin_expand_strmov.
8023 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
8024 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
8025 variables.
8026 (initialize_trampoline): Don't use old-style function definition.
8027 (bfin_secondary_reload): Mark IN_P argument as unused.
8028
8029 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
8030
8031 PR tree-optimization/31343
8032 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
8033 (build_polynomial_chrec): Return a scalar when the evolution is zero.
8034 * testsuite/gcc.dg/vect/pr31343.c: New.
8035
8036 2007-04-10 Eric Christopher <echristo@apple.com>
8037
8038 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
8039 * config/i386/i386.md (*cmpfp0): Use.
8040 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
8041 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
8042 (fix_trunc<mode>_i386_fisttp): Ditto.
8043 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
8044 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
8045 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
8046 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
8047 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
8048 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
8049 (unnamed_splitters): Ditto.
8050 * config/i386/i386.c (output_fix_trunc): Assert that
8051 we're not being passed a TFmode operand.
8052
8053 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
8054
8055 PR tree-optimization/31526
8056 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
8057 n_basic_blocks to find newly added blocks.
8058
8059 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
8060
8061 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
8062 alternative.
8063 (fix_trunc<mode>si_sse): Ditto.
8064 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
8065 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
8066 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
8067 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
8068 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
8069 expander using SSEMODEF mode macro.
8070 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
8071 expander using SSEMODEF mode macro.
8072 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
8073 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
8074 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
8075 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
8076 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
8077 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
8078 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
8079 Macroize insn using X87MODEF mode macro.
8080
8081 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
8082
8083 * config/i386/sse.md (sse2_pinsrw): Removed.
8084 (sse2_pextrw): Renamed to ...
8085 (*sse2_pextrw): This.
8086
8087 2007-04-09 Jan Hubicka <jh@suse.cz>
8088
8089 PR target/27869
8090 * config/i386/sse.md
8091 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
8092 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
8093 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
8094 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
8095
8096 2007-04-09 Jan Hubicka <jh@suse.cz>
8097
8098 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
8099 multiple fields of union.
8100
8101 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
8102
8103 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
8104 (create_preheaders): Check that loops are available.
8105 (fix_loop_structure): Clean up, improve comments.
8106 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
8107 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
8108 state flags.
8109 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
8110 * predict.c (tree_estimate_probability): Do not call
8111 calculate_dominance_info. Call create_preheaders.
8112 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
8113 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
8114 flags.
8115 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
8116 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
8117 * tree-cfg.c (tree_split_edge): Make an assert more precise.
8118 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
8119 arguments.
8120
8121 2007-04-08 Jan Hubicka <jh@suse.cz>
8122
8123 * tree.h (maybe_fold_offset_to_component_ref): Declare.
8124 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
8125 * fold-const.c (fold_unary): Use it.
8126
8127 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
8128
8129 * varasm.c (assemble_variable): Remove call to
8130 lang_hooks.decls.prepare_assemble_variable.
8131 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
8132 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
8133 * langhooks.h (lang_hooks_for_decls): Remove
8134 prepare_assemble_variable.
8135
8136 2007-04-08 Mike Stump <mrs@apple.com>
8137
8138 * config/i386/i386.c: Use inc/dec on Core2.
8139
8140 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
8141
8142 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
8143 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8144 lhd_tree_inlining_end_inlining): Remove.
8145 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
8146 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
8147 end_inlining hooks.
8148 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
8149 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8150 lhd_tree_inlining_end_inlining): Remove prototypes.
8151 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
8152 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8153 LANG_HOOKS_TREE_INLINING_START_INLINING,
8154 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
8155
8156 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
8157 not set it.
8158
8159 2007-04-08 Anatoly Sokolov <aesok@post.ru>
8160
8161 PR target/29932
8162 * config/avr/predicates.md (io_address_operand): Delete predicate.
8163 (low_io_address_operand): Don't use 'mode' argument.
8164 (higth_io_address_operand): Rename ...
8165 (high_io_address_operand): ... to this. Don't use 'mode' argument.
8166 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
8167 for above change.
8168
8169 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
8170
8171 Revert change removing staticp.
8172
8173 2007-04-07 Anatoly Sokolov <aesok@post.ru>
8174
8175 PR target/30289
8176 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
8177 earlyclobber.
8178
8179 2007-04-07 Bruce Korb <bkorb@gnu.org>
8180
8181 * c.opt: Add -Wformat-contains-nul.
8182 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
8183 -Wformat setting.
8184 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
8185 the NUL byte warning.
8186
8187 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
8188
8189 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
8190
8191 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8192
8193 * tree.c (staticp): No longer use staticp langhook.
8194 * langhooks.c (lhd_staticp): Removed.
8195 * langhooks.h (struct lang_hooks): Remove staticp.
8196 * c-common.c (c_staticp): Remove.
8197 * c-common.h (c_staticp): Ditto.
8198 * langhooks-defs.h (lhd_staticp): Ditto.
8199 (LHD_HOOKS_STATICP): Ditto
8200 * tree.h (gcc_assert_lowered): New macro.
8201
8202 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
8203
8204 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
8205 argument "reliable".
8206 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
8207 Add argument "reliable". Propagate it through calls.
8208 (infer_loop_bounds_from_undefined): Derive number of iterations
8209 estimates from references in blocks that do not dominate loop latch.
8210 (gcov_type_to_double_int): New function.
8211 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
8212 and expected_loop_iterations_unbounded.
8213 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
8214 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
8215 * tree-data-ref.c (estimated_loop_iterations): Export.
8216 (get_references_in_stmt): Fix -- do not return addresses of local
8217 objects.
8218 * cfgloop.h (expected_loop_iterations_unbounded,
8219 estimated_loop_iterations): Declare.
8220
8221 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
8222
8223 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
8224
8225 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8226
8227 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8228 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
8229 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
8230 Use output_387_reg_move().
8231 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
8232 expander using X87MODEF12 mode macro.
8233 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
8234 choosing register preferences. Use output_387_reg_move().
8235 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
8236 instead of "x". Use output_387_reg_move().
8237 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
8238 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
8239 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
8240 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
8241 Use output_387_reg_move().
8242 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
8243 mode macro.
8244 (*truncxf?f_i387 splitter): Ditto.
8245
8246 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8247
8248 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8249 LANG_HOOKS_SAFE_FROM_P.
8250 * expr.c (safe_from_p): Remove langhook call.
8251 * langhooks.h (lang_hooks): Remove safe_from_p.
8252 (lhd_safe_from_p): Remove prototype.
8253 * langhooks.c (lhd_safe_from_p): Remove.
8254
8255 2007-04-06 Jan Hubicka <jh@suse.cz>
8256
8257 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
8258 functions.
8259
8260 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8261
8262 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
8263 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
8264 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
8265 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
8266 alternative.
8267 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
8268 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
8269
8270 2007-04-05 Richard Henderson <rth@redhat.com>
8271
8272 * config/alpha/alpha.c (print_operand) [+]: Remove.
8273 (alpha_end_function): Print nop if call at end of function.
8274 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
8275 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
8276 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
8277 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
8278 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
8279 the call pattern. Update peepholes to match.
8280
8281 2007-04-05 Janis Johnson <janis187@us.ibm.com>
8282
8283 * doc/extend.texi (Other Builtins): Add decimal float variants
8284 of signbit.
8285 * builtins.def: Ditto.
8286 * builtins.c (expand_builtin): Ditto.
8287
8288 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
8289 H.J. Lu <hongjiu.lu@intel.com>
8290
8291 PR target/31478
8292 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
8293 of V8HImode when calling ix86_binary_operator_ok.
8294 (sse2_pmaddwd): Call ix86_binary_operator_ok.
8295 (sdot_prodv8hi): Operands 1 and 2 must be register.
8296
8297 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8298
8299 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
8300 initialize align to silence bogus warning.
8301
8302 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8303
8304 PR middle-end/22156
8305 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
8306 all_no_warning.
8307 (struct sra_walk_fns): Remove use_all parameter from use.
8308 (sra_hash_tree): Handle BIT_FIELD_REFs.
8309 (sra_elt_hash): Don't hash bitfld blocks.
8310 (sra_elt_eq): Skip them in parent compares as well. Handle
8311 BIT_FIELD_REFs.
8312 (sra_walk_expr): Don't maintain or pass down use_all_p.
8313 (scan_use): Remove use_all parameter.
8314 (scalarize_use): Likewise. Re-expand assignment to
8315 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
8316 output, and re-scalarize after output. Don't mark anything
8317 for no warning.
8318 (scalarize_ldst): Adjust.
8319 (scalarize_walk_gimple_modify_statement): Likewise.
8320 (build_element_name_1): Handle BIT_FIELD_REFs.
8321 (instantiate_element): Don't warn for any element whose parent
8322 is used as a whole.
8323 (instantiate_missing_elements_1): Return the sra_elt.
8324 (canon_type_for_field): New.
8325 (try_instantiate_multiple_fields): New.
8326 (instantiate_missing_elemnts): Use them.
8327 (mark_no_warning): Removed.
8328 (generate_one_element_ref): Handle BIT_FIELD_REFs.
8329 (REPLDUP, sra_build_elt_assignment): New.
8330 (generate_copy_inout): Use them.
8331 (generate_element_copy): Likewise. Handle bitfld differences.
8332 (generate_element_zero): Don't recurse for blocks. Use
8333 sra_build_elt_assignment.
8334 (generate_one_element_int): Take elt instead of var. Use
8335 sra_build_elt_assignment.
8336 (generate_element_init_1): Adjust.
8337 (scalarize_use, scalarize_copy): Use REPLDUP.
8338 (scalarize_ldst): Move assert before dereference.
8339 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
8340
8341 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8342
8343 * regmove.c: Fix unused variable warnings due to previous commit.
8344
8345 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8346
8347 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
8348 (regmove_bb_head): Remove.
8349 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
8350 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
8351 problems with fixup_match_1.
8352 Don't initialize/free regmove_bb_head.
8353
8354 (reg_is_remote_constant_p): If an insn is in the same basic block
8355 but not before INSN, consider it remote, too.
8356
8357 2007-04-05 Anatoly Sokolov <aesok@post.ru>
8358
8359 PR target/25448
8360 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
8361 DECL_ASSEMBLER_NAME, not the DECL_NAME.
8362
8363 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
8364
8365 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
8366 (CONDITIONAL_REGISTER_USAGE): Likewise.
8367
8368 2007-04-04 Richard Henderson <rth@redhat.com>
8369
8370 * config/alpha/lib1funcs.asm: Remove unused file.
8371
8372 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8373
8374 PR other/31356
8375 * opts.c (print_specific_help): Fix --help=<language>
8376 header line.
8377 (common_handle_option): Support --help=common.
8378
8379 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8380
8381 PR other/31353
8382 * gcc.c (main): Do not run the linker if
8383 print_subprocess_help indicates that it shouldn't be
8384 run.
8385
8386 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8387
8388 PR doc/31355
8389 * doc/invoke.texi (--help=): Document <languages> value, fix
8390 formatting in tables of values.
8391
8392 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
8393
8394 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
8395 dllimport attribute of virtual methods.
8396
8397 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
8398
8399 * config/score/crti.asm: Change _bss_start to __bss_start.
8400 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
8401 (OUTGOING_REG_PARM_STACK_SPACE) update.
8402 * config/score/score.opt: add options to make backend support
8403 score5, score5u, score7 and score7d.
8404 * config/score/score.md: Likewise.
8405 * config/score/misc.md: Likewise.
8406 * config/score/mac.md: Likewise.
8407 * doc/invoke.texi: Likewise.
8408 * doc/md.texi: update constraints define.
8409
8410 2007-04-03 Richard Henderson <rth@redhat.com>
8411
8412 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
8413 an appropriate type, use the mode instead.
8414
8415 2007-04-03 Richard Sandiford <richard@codesourcery.com>
8416
8417 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
8418 Set the default --with-arch setting to mips2.
8419 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
8420 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
8421 (MULTILIB_OSDIRNAMES): Delete.
8422 (MULTILIB_DIRNAMES): Define.
8423 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
8424 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
8425 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
8426 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
8427 VXWORKS_OS_CPP_BUILTINS.
8428 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
8429 (MIPS_DEBUGGING_INFO): Undefine.
8430 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
8431
8432 2007-04-03 Jakub Jelinek <jakub@redhat.com>
8433
8434 PR middle-end/30704
8435 * fold-const.c (native_encode_real): Encode real.c provided longs
8436 as a series of 32-bit native integers.
8437 (native_interpret_real): Interpret buffer as a series of 32-bit
8438 native integers.
8439
8440 2007-04-03 Richard Guenther <rguenther@suse.de>
8441
8442 * genpreds.c (write_insn_constraint_len): Write function
8443 optimized for CONSTRAINT_LEN implementation.
8444 (write_tm_preds_h): Output insn_constraint_len inline and
8445 use it for CONSTRAINT_LEN.
8446 (write_insn_preds_c): Don't output insn_constraint_len.
8447 * doc/md.texi (define_register_constraint): Document multi-letter
8448 constraints shall have the same length if they start with the same
8449 letter.
8450
8451 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8452
8453 PR target/31175
8454 * config/i386/i386.md (isinf<mode>2): Expand only when
8455 TARGET_C99_FUNCTIONS is set.
8456
8457 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8458
8459 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
8460 (x86_64-*-linux*): Ditto.
8461 * config/i386/i386.opt (mpc): New option.
8462 * config/i386/i386.c (overrride_options): Handle
8463 ix87_precision_string.
8464 * config/i386/crtprec.c: New file.
8465 * config/i386/t-crtpc: Ditto.
8466 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
8467 and -mpc80 options.
8468 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
8469 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8470 crtprec32.o, crtprec64.o and crtprec80.o.
8471
8472 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
8473 and -mpc80 options.
8474 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
8475
8476 2007-04-02 Eric Christopher <echristo@apple.com>
8477
8478 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
8479 limitations on darwin.
8480
8481 2007-04-02 Anatoly Sokolov <aesok@post.ru>
8482
8483 PR target/31137
8484 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
8485
8486 2007-04-02 Dave Korn <dave.korn@artimi.com>
8487
8488 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
8489
8490 2007-04-02 Dave Korn <dave.korn@artimi.com>
8491
8492 * libgcc2.h (exception_descriptor): Don't forward-declare.
8493 (__get_eh_table_language, __get_eh_table_version): Delete
8494 prototypes of long-dead functions.
8495
8496 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
8497
8498 * ebitmap.h: New file
8499 * ebitmap.c: New file
8500 * Makefile.in (ebitmap.o): New target.
8501
8502 2007-04-01 Jan Hubicka <jh@suse.cz>
8503
8504 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
8505 before very first instruction.
8506
8507 2007-04-01 Jan Hubicka <jh@suse.cz>
8508
8509 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
8510 waring on 64bit hosts.
8511 * bitmap.h: Fix typo in bitmap_head_def.
8512
8513 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
8514
8515 PR rtl-optimization/31391
8516 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
8517 into a DELETED_LABEL note, and the label is in an empty basic
8518 block, update BB_END as well as BB_HEAD.
8519
8520 2007-04-01 Richard Henderson <rth@redhat.com>
8521
8522 PR tree-optimization/31169
8523 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
8524 to varying if the range is outside [0, prec-1].
8525
8526 2007-04-01 Richard Sandiford <richard@codesourcery.com>
8527
8528 PR target/31388
8529 * config/mips/mips.md (load_const_gp): New insn.
8530 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
8531 the MIPS16 GP pseudo register if no_new_pseudos.
8532 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
8533
8534 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
8535
8536 PR target/31364
8537 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
8538 secureplt.
8539 (call_value): Likewise.
8540
8541 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
8542 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8543
8544 PR 14737
8545 * doc/invoke.texi: (optimization options): Reword description
8546 of -ffast-math. Document its primary purpose.
8547
8548 2007-03-31 Richard Guenther <rguenther@suse.de>
8549
8550 * omp-low.c (splay-tree.h): Include.
8551 (lookup_decl): Replace splay-tree usage by pointer-map.
8552 (maybe_lookup_decl): Likewise.
8553 (new_omp_context): Likewise.
8554 (delete_omp_context): Likewise.
8555 * gimplify.c (splay-tree.h): Include.
8556 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
8557 pointer-map.
8558 (remap_ssa_name): Likewise.
8559 (remap_decl): Likewise.
8560 (remap_type_1): Likewise.
8561 (remap_type): Likewise.
8562 (copy_body_r): Likewise.
8563 (expand_call_inline): Likewise.
8564 (clone_body): Likewise.
8565 (copy_tree_r): Likewise.
8566 (remap_save_expr): Likewise.
8567 (unsave_r): Likewise.
8568 (unsave_expr_now): Likewise.
8569 (tree_function_versioning): Likewise.
8570 (build_duplicate_type): Likewise.
8571 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
8572 (struct copy_body_data): Replace splay-tree by pointer-map.
8573 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
8574 not $(SPLAY_TREE_H).
8575 (gimplify.o): Depend on $(SPLAY_TREE_H).
8576 (omp-low.p): Likewise.
8577
8578 2007-03-31 Anatoly Sokolov <aesok@post.ru>
8579
8580 * config/avr/predicates.md (even_register_operand,
8581 odd_register_operand): New predicates.
8582 * config/avr/avr.md (movw peephole2): New.
8583 (movw_r peephole2): New.
8584
8585 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
8586
8587 * tree.h (get_signed_or_unsigned_type): New.
8588 * fold-const.c (operand_equal_for_comparison_p): Use
8589 get_signed_or_unsigned_type instead of
8590 lang_hooks.types.signed_or_unsigned_type.
8591 * expr.c (store_expr): Ditto.
8592 * langhooks.c (get_signed_or_unsigned_type): New.
8593 (lhd_signed_or_unsigned_type): New.
8594 * langhooks.h (lhd_signed_or_unsigned_type): New.
8595 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
8596
8597 2007-03-30 Richard Henderson <rth@redhat.com>
8598
8599 * tree-ssa-loop-ivopts.c: Include target.h.
8600 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
8601 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
8602 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
8603 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
8604
8605 2007-03-30 Richard Henderson <rth@redhat.com>
8606 Kai Tietz <kai.tietz@onevision.com>
8607
8608 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
8609 default for 64-bit.
8610 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
8611 (TARGET_64BIT_MS_ABI): New.
8612 (DBX_REGISTER_NUMBER): Handle 64-bit.
8613 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
8614 (LONG_TYPE_SIZE): Force to 32.
8615 (REG_PARM_STACK_SPACE): New.
8616 (OUTGOING_REG_PARM_STACK_SPACE): New.
8617 (REGPARM_MAX, SSE_REGPARM_MAX): New.
8618 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8619 (STACK_BOUNDARY): Use 128 for 64-bit.
8620 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
8621 Add 64-bit implementation.
8622 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
8623 argument unused.
8624 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
8625 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
8626 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
8627 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
8628 (ix86_handle_cconv_attribute): Don't warn when ignoring if
8629 TARGET_64BIT_MS_ABI.
8630 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
8631 (ix86_pass_by_reference): Likewise.
8632 (ix86_function_value_regno_p): Likewise.
8633 (ix86_build_builtin_va_list): Likewise.
8634 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
8635 (function_arg_advance_ms_64): New.
8636 (function_arg_advance): Call it.
8637 (function_arg_ms_64): New.
8638 (function_arg): Call it.
8639 (function_value_ms_64): New.
8640 (ix86_function_value_1): Call it.
8641 (return_in_memory_ms_64): New.
8642 (ix86_return_in_memory): Call it.
8643 (setup_incoming_varargs_ms_64): New.
8644 (ix86_setup_incoming_varargs): Call it.
8645 (ix86_expand_prologue): Handle 64-bit stack probing.
8646 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
8647 (output_pic_addr_const): Likewise.
8648 (x86_this_parameter): Likewise.
8649 (x86_output_mi_thunk): Likewise.
8650 (x86_function_profiler): Likewise.
8651 (TARGET_STRICT_ARGUMENT_NAMING): New.
8652 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
8653 (TARGET_64BIT_MS_ABI): New.
8654 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
8655 * config/i386/i386.md (allocate_stack_worker): Remove.
8656 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
8657 describe the clobber of eax without a match_scratch.
8658 (allocate_stack_worker_postreload): Remove.
8659 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
8660 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
8661 (allocate_stack_worker_rex64_postreload): Remove.
8662 (allocate_stack): Handle 64-bit.
8663 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
8664 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
8665 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
8666 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
8667 (STANDARD_STARTFILE_PREFIX_1): Likewise.
8668 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
8669 * config.build (x86_64-*-mingw*): New host.
8670 * config.host (x86_64-*-mingw*): New host.
8671 * config.gcc (x86_64-*-mingw*): New target.
8672 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
8673
8674 2007-03-30 Richard Henderson <rth@redhat.com>
8675 Kai Tietz <kai.tietz@onevision.com>
8676
8677 * c-pragma.c (struct def_pragma_macro_value): New.
8678 (struct def_pragma_macro): New.
8679 (pushed_macro_table): New.
8680 (dpm_hash, dpm_eq): New.
8681 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
8682 (init_pragma): Install them.
8683 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8684
8685 2007-03-30 Anatoly Sokolov <aesok@post.ru>
8686
8687 * config/avr/avr.c (avr_override_options): Clear
8688 'flag_delete_null_pointer_checks'.
8689
8690 2007-03-30 Paolo Carlini <pcarlini@suse.de>
8691
8692 PR c++/26099
8693 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
8694 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
8695 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
8696 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
8697 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
8698 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
8699 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
8700 C++ extensions.
8701 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
8702
8703 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
8704
8705 * regmove.c: Move all of pass_stack_adjustments from here...
8706 * combine-stack-adj.c: ...to this new file.
8707 * Makefile.in: Add rules for combine-stack-adj.o.
8708
8709 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
8710
8711 PR tree-optimization/31383
8712 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
8713 to have the same length.
8714
8715 2007-03-30 Jan Hubicka <jh@suse.cz>
8716
8717 PR middle-end/30700
8718 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
8719 availablility; add more sanity checking; ask varpool only about
8720 VAR_DECL.
8721
8722 2007-03-29 Richard Henderson <rth@redhat.com>
8723
8724 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
8725 to decide, but __SIZEOF_LONG_LONG__.
8726
8727 2007-03-29 Richard Henderson <rth@redhat.com>
8728
8729 * emutls.c (struct __emutls_array): New.
8730 (emutls_destroy): Use it instead of casting element 0 from void*.
8731 (__emutls_get_address): Likewise.
8732
8733 2007-03-29 Richard Henderson <rth@redhat.com>
8734
8735 * varasm.c (initializer_constant_valid_p): Don't deny
8736 DECL_DLLIMPORT_P on functions.
8737
8738 * config/i386/cygming.h: Remove function declarations.
8739 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
8740 (ASM_OUTPUT_LABELREF): Remove.
8741 (COMMON_ASM_OP): Remove.
8742 (ASM_OUTPUT_COMMON): Remove.
8743 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
8744 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
8745 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8746 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
8747 Rename from TARGET_ENCODE_SECTION_INFO.
8748 * config/i386/netware.h: Likewise.
8749 * config/i386/i386-protos.h: Update.
8750 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
8751 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
8752 (legitimate_constant_p): Reject dllimports.
8753 (dllimport_map, get_dllimport_decl): New.
8754 (legitimize_dllimport_symbol): New.
8755 (legitimize_address, ix86_expand_move): Use it.
8756 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
8757 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
8758 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
8759 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
8760 * config/i386/predicates.md (constant_call_address_operand): Only
8761 accept symbols; reject dllimport_p symbols.
8762 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
8763 i386_pe_maybe_record_exported_symbol.
8764 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
8765 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
8766 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
8767 trust the setting of DECL_DLLIMPORT_P.
8768 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
8769 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
8770 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
8771 tidy the argument scanning loop.
8772 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
8773 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
8774 (i386_pe_strip_name_encoding): Remove.
8775 (i386_pe_binds_local_p): New.
8776 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
8777 (i386_pe_output_labelref): Remove.
8778 (i386_pe_asm_output_aligned_decl_common): New.
8779 (i386_pe_maybe_record_exported_symbol): Rename from
8780 i386_pe_record_exported_symbol; check for dllexported symbols.
8781
8782 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
8783
8784 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
8785 add comment explaining why vsnprintf cannot be used.
8786
8787 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
8788
8789 PR tree-optimization/30666
8790 * tree.c (build_complex_type): When creating type names for DWARF2
8791 debug info, create TYPE_DECLs for TYPE_NAME instead of
8792 IDENTIFIER_NODEs.
8793 (build_common_tree_nodes_2): Use build_complex_type when building
8794 predefined complex types, to preserve canonical types.
8795
8796 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
8797
8798 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
8799 (noce_get_alt_condition): Look at it to determine whether to
8800 reverse the condition or not.
8801 (noce_get_condition): Substitute the truth for lies.
8802 (noce_find_if_block): Set the then_else_reversed field.
8803
8804 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
8805
8806 * config/fr30/fr30.md (movdi): Do not accept immediates as the
8807 destination of this insn.
8808 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
8809 than calling gen_rtx_SET directly. Use r0 to hold the value of
8810 'address + 4' rather than a stack based temporary which can be
8811 mis-optimized away.
8812
8813 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8814
8815 * config/s390/s390.c (s390_secondary_input_reload_class,
8816 s390_secondary_output_reload_class): Functions removed.
8817 (s390_secondary_reload): New function.
8818 (TARGET_SECONDARY_RELOAD): Target macro defined.
8819 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
8820 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
8821 * config/s390/s390.md ("reload_outti", "reload_outdi",
8822 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
8823 "reload_out<mode>"): Expanders removed.
8824 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
8825 "reload<mode>_nonoffmem_out"): Expanders added.
8826
8827 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8828
8829 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
8830 SRC->DEST replacement failed anyway.
8831
8832 2007-03-28 Mike Stump <mrs@apple.com>
8833
8834 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
8835 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
8836 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
8837
8838 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8839
8840 * config.gcc: Accept barcelona as a variant of amdfam10.
8841 * config/i386/i386.c (override_options): Likewise.
8842 * doc/invoke.texi: Likewise.
8843
8844 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
8845
8846 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
8847 offsets for BIT_FIELD_REF and COMPONENT_REF.
8848
8849 2007-03-28 Richard Guenther <rguenther@suse.de>
8850
8851 * tree.c (is_global_var): Move ...
8852 * tree-flow-inline.h (is_global_var): ... here.
8853 * tree.h (is_global_var): Remove declaration.
8854
8855 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
8856
8857 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
8858 option.
8859 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
8860 * config/i386/i386.c (ix86_tune_features): Initialize new
8861 tuning option.
8862 * config/i386/predicates.md (promotable_binary_operator): Use
8863 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
8864
8865 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8866
8867 PR target/31380
8868 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
8869
8870 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
8871
8872 * config/fr30/fr30.md (movsi_internal): Change destination
8873 constraint from m to V and add m to the end.
8874
8875 2007-03-28 Christian Bruel <christian.bruel@st.com>
8876
8877 * config/sh/sh.md (movsi_i): Fix type attribute.
8878
8879 2007-03-28 Christian Bruel <christian.bruel@st.com>
8880
8881 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
8882 (movsf_ie): Likewise.
8883
8884 2007-03-28 Christian Bruel <christian.bruel@st.com>
8885
8886 * config.gcc: Add sh4-300 to multilib.
8887 * config/sh/t-mlib-sh4-300: New file.
8888
8889 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
8890
8891 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
8892 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
8893 fix_trunc<mode>di2.
8894 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
8895 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
8896 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
8897 "fixuns_trunctddi2"): Whitespace fix.
8898
8899 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8900
8901 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
8902 the definition of struct sh_args.
8903 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
8904 CALL_COOKIE_INT_REG_GET): Likewise.
8905
8906 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
8907
8908 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
8909 transformations are applied successfully.
8910
8911 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
8912
8913 * tree.c (tree_contains_struct): Permit 512 tree codes.
8914 * tree.h (tree_contains_struct): Ditto.
8915 (MAX_TREE_CODES): Ditto.
8916 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
8917 SPARE member to store remaining padding bits.
8918
8919 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8920
8921 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
8922 architecture.
8923
8924 2007-03-27 Janis Johnson <janis187@us.ibm.com>
8925
8926 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
8927 * configure: Regenerate.
8928
8929 * configure: Regenerate using the correct version of autoconf.
8930
8931 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8932
8933 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
8934 pointer regs.
8935 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
8936 regs to "__SP_L__" and "__SP_H__".
8937
8938 2007-03-27 Richard Guenther <rguenther@suse.de>
8939
8940 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
8941 computations with it with a HOST_WIDE_INT variable.
8942
8943 2007-03-26 Mike Stump <mrs@apple.com>
8944
8945 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
8946 objective-c-header, objective-c++-header and objc++-cpp-output
8947 support.
8948 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
8949
8950 2007-03-26 Richard Henderson <rth@redhat.com>
8951
8952 PR target/31361
8953 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
8954 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
8955 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
8956 IX86_BUILTIN_PSRLQ128): New.
8957 (ix86_init_mmx_sse_builtins): Add them.
8958 (ix86_expand_builtin): Expand them.
8959 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
8960 operand 2 be TImode.
8961 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
8962 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
8963 _mm_srli_epi64): Mark __B const.
8964 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
8965 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
8966 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
8967 new two-vector shift builtins.
8968
8969 2007-03-26 Ian Lance Taylor <iant@google.com>
8970
8971 PR tree-optimization/31345
8972 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
8973 [+INF, +INF(OVF)] into VARYING.
8974
8975 2007-03-26 Zack Weinberg <zackw@panix.com>
8976
8977 * gengtype-parse.c: New file.
8978 * gengtype-yacc.y: Delete.
8979 * gengtype-lex.l: Don't include gengtype-yacc.h.
8980 Define YY_DECL and yyterminate appropriately for recursive
8981 descent parser. yylval is now a string out-parameter to yylex.
8982 (HWS, EOID): New shorthand.
8983 (IWORD): Add a couple more types.
8984 (yylex): Add a setup stanza. Remove the complex rules for
8985 detecting GTY'ed types and typedefs; replace with simple
8986 keyword detectors. Adjust everything for the changed
8987 definition of yylval. Ignore all pp-directives, not just #define.
8988 (yyerror): Delete.
8989 (parse_file): Rename yybegin; do not call yyparse.
8990 (yyend): New.
8991 * gengtype.c (xasprintf): Export again.
8992 (this_file): New. Use everywhere __FILE__ was being used.
8993 (get_lang_bitmap): Special case types defined in gengtype.c.
8994 (do_typedef, new_structure): Suppress definition of certain types.
8995 (new_structure): Improve diagnostics of duplicate definitions.
8996 Make sure location_s is associated with input.h.
8997 (nreverse_pairs, define_location_structures): New functions.
8998 (main): Improve tagging of kludge types. Remove old kludges
8999 for input.h types; use define_location_structures.
9000 * gengtype.h: Update prototypes. Define token codes here.
9001 * Makefile.in: Remove all references to gengtype-yacc.
9002 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
9003 and gengtype.
9004 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
9005 add GTY((skip)) to the field that's only conditionally there.
9006 * doc/install.texi: Document that Bison is no longer required
9007 unless building treelang.
9008
9009 * gengtype.c: Don't include gtyp-gen.h.
9010 (srcdir): Declare here.
9011 (base_files, lang_dir_names): Allocate dynamically.
9012 (gt_files, num_gt_files, num_lang_dirs): New globals.
9013 (measure_input_list, read_input_line, read_input_list)
9014 (set_lang_bitmap): New functions.
9015 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
9016 simplify, relying on read_input_list to set up the bitmaps.
9017 (main): Arguments are no longer unused. Check for correct number
9018 of command line arguments, set srcdir and srcdir_len, then call
9019 read_input_list, before doing anything else. No need to worry
9020 about duplicates in main loop.
9021 * configure.ac: Simplify the calculation of all_gtfiles.
9022 Put language tags in there. Don't set or substitute
9023 all_gtfiles_files_langs or all_gtfiles_files_frags.
9024 * Makefile.in: Revamp the way gengtype is invoked, now that it
9025 takes a file on its command line with a much simpler format.
9026 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
9027 (GTFILES): Remove duplicates and C source files.
9028 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
9029 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
9030 * configure: Regenerate.
9031
9032 * gengtype.h: Remove all type definitions to gengtype.c; leave
9033 only definitions of options_p, type_p, and pair_p as opaque
9034 pointers. Update prototypes.
9035 * gengtype.c: Many type definitions moved here from gengtype.h.
9036 Consolidate type definitions at the top of the file.
9037 (xvasprintf): Delete.
9038 (xasprintf): Make static.
9039 (create_nested_pointer_option): Add 'next' parameter.
9040 (create_field_all, create_field_at): New functions.
9041 (create_field): Now a thin wrapper around create_field_all.
9042 (create_optional_field): Rename create_optional_field_ and add
9043 line argument. Original name is now a macro which supplies
9044 __LINE__.
9045 (oprintf): Use vsnprintf directly.
9046 (close_output_files): Use fatal rather than perror/exit.
9047 (note_def_vec, note_def_vec_alloc): Use create_field_at.
9048 (main): Set progname. Don't use exit.
9049 * gengtype-yacc.y (struct_fields): Use create_field_at.
9050 (option, optionseqopt): Delete.
9051 (optionseq): Consolidate productions from option here so we
9052 can use the first argument to create_option.
9053
9054 * gengtype-lex.l: Distinguish unions from structures in the
9055 token type. Don't call find_structure; return the tag as a string.
9056 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
9057 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
9058 Reorganize typedef_struct production accordingly.
9059 Use create_nested_ptr_option.
9060 * gengtype.c (create_nested_ptr_option): New function.
9061 * gengtype.h: Declare it.
9062
9063 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
9064 (string_type): Don't declare.
9065 (do_scalar_typedef): Declare.
9066 (create_scalar_type): Update prototype.
9067 * gengtype.c (string_type): Make static.
9068 (scalar_nonchar, scalar_char): New.
9069 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
9070 (resolve_typedef): Use scalar_nonchar for error recovery.
9071 (create_scalar_type): Remove name_len field. Return scalar_char
9072 or scalar_nonchar as appropriate.
9073 (adjust_field_type): Look at scalar_is_char boolean to decide whether
9074 to use string_type.
9075 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
9076 whenever possible.
9077 (main): Initialize scalar_char and scalar_nonchar before calling
9078 gen_rtx_next.
9079 * gengtype-lex.l: Adjust for removal of second argument to
9080 create_scalar_type. Use yylval.s instead of yylval.t when
9081 returning SCALAR.
9082 * gengtype-yacc.y: Type of SCALAR is string. Call
9083 create_scalar_type from type:SCALAR rule. Adjust for removal of
9084 second argument to create_scalar_type.
9085
9086 * vec.h: Remove all #if IN_GENGTYPE blocks.
9087 Add comment saying that changes may require adjustments to gengtype.
9088 * gengtype.c: Don't include coretypes.h or tm.h.
9089 Add comment to inclusion of errors.h.
9090 (note_def_vec, note_def_vec_alloc): New functions.
9091 * gengtype.h: Declare new functions.
9092 * gengtype-lex.l: Don't include coretypes.h.
9093 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
9094 Delete.
9095 (update_lineno): Remove unnecessary prototype.
9096 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
9097 (VEC rule): Just return VEC_TOKEN.
9098 * gengtype-yacc.y (VEC_TOKEN): New token type.
9099 (type): Add a production for VEC(a,b).
9100 * Makefile.in: Update dependencies.
9101
9102 * gengtype-lex.l: Remove rules for parsing pointer-to-function
9103 typedefs that use the old PARAMS macro.
9104
9105 * gengtype-lex.l: Remove all rules and states relating to yacc
9106 input files.
9107 * gengtype-yacc.y: Similarly.
9108 * gengtype.c (note_yacc_type): Delete function.
9109 * gengtype.h: Update prototypes.
9110
9111 2007-03-26 Joseph Myers <joseph@codesourcery.com>
9112
9113 * tree-pretty-print.c (dump_generic_node): Report precision of
9114 unnamed integer types.
9115
9116 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
9117
9118 * ifcvt.c (noce_try_store_flag_constants): Don't check
9119 no_new_pseudos here.
9120 (noce_try_store_flag_constants): Don't check no_new_pseudos.
9121 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
9122 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
9123 noce_try_sign_mask): Likewise.
9124 (if_convert): Check no_new_pseudos here.
9125
9126 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
9127 Remove prototypes.
9128 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
9129 (noce_get_condition): Handle new then_else_reversed argument.
9130 (noce_init_if_info): Remove, fold into noce_find_if_block.
9131 (noce_process_if_block): Take a struct noce_if_info as the
9132 argument. Don't set up one based on ce_if_info. Update pointer
9133 references accordingly.
9134 (cond_move_process_if_block): Likewise.
9135 (process_if_block): Removed.
9136 (find_if_block): Removed. Move functionality two new functions,
9137 noce_find_if_block and cond_exec_find_if_block.
9138 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
9139 blocks and the symmetric IF-ELSE-JOIN case.
9140 (cond_exec_find_if_block): Also new function mostly based on old
9141 find_if_block and process_if_block.
9142 (find_if_header): Replace find_if_block call with separately
9143 guarded calls to noce_find_if_block and cond_exec_find_if_block.
9144 (find_cond_trap): Update noce_get_condition call.
9145 (dead_or_predicable): Likewise.
9146
9147 2007-03-26 Jakub Jelinek <jakub@redhat.com>
9148
9149 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
9150 Remove.
9151 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
9152 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
9153 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
9154 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
9155 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
9156 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
9157 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
9158 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
9159 __builtin_ia32_psrad128 builtins.
9160
9161 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
9162
9163 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
9164 * config/i386/constraints.md
9165 (define_constraint "I"): Use IN_RANGE macro.
9166 (define_constraint "J"): Ditto.
9167 (define_constraint "K"): Ditto.
9168 (define_constraint "M"): Ditto.
9169 (define_constraint "N"): Ditto.
9170 (define_constraint "O"): Ditto.
9171 * config/i386/predicates.md
9172 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
9173 (define_predicate "const_0_to_3_operand"): Ditto.
9174 (define_predicate "const_0_to_7_operand"): Ditto.
9175 (define_predicate "const_0_to_15_operand"): Ditto.
9176 (define_predicate "const_0_to_63_operand"): Ditto.
9177 (define_predicate "const_0_to_255_operand"): Ditto.
9178 (define_predicate "const_1_to_31_operand"): Ditto.
9179 (define_predicate "const_2_to_3_operand"): Ditto.
9180 (define_predicate "const_4_to_7_operand"): Ditto.
9181
9182 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9183
9184 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
9185 in SImode for save_world.
9186 * config/rs6000/altivec.md (save_world, restore_world): Convert to
9187 LR hard reg.
9188
9189 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
9190
9191 PR tree-optimization/30784
9192 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
9193 BIT_FIELD_REF.
9194
9195 2007-03-25 Revital Eres <eres@il.ibm.com>
9196
9197 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
9198 Fold movement_possibility function into it.
9199
9200 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9201
9202 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
9203 (load_macho_picbase_{si,di}): Convert to LR hard reg.
9204 (call_indirect_nonlocal_darwin64): Same.
9205 (call_nonlocal_darwin64): Same.
9206 (call_value_indirect_nonlocal_darwin64): Same.
9207 (call_value_nonlocal_darwin64): Same.
9208 (sibcall_nonlocal_darwin64): Same.
9209 (sibcall_value_nonlocal_darwin64): Same.
9210 (sibcall_symbolic_64): Same.
9211 (sibcall_value_symbolic_64): Same.
9212 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
9213 LR pseudo.
9214 (rs6000_emit_load_toc_table): Same.
9215 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
9216 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
9217 (mull_call): Same.
9218 (divss_call): Same.
9219 (divus_call): Same.
9220 (quoss_call): Same.
9221 (quous_call): Same.
9222 (load_toc_v4_pic_si): Same
9223 (load_toc_v4_PIC_1): Same.
9224 (load_toc_v4_PIC_1b): Same.
9225 (call_indirect_aix{32,64}): Same.
9226 (call_value_indirect_aix{32,64}): Same.
9227 (call): Same.
9228 (call_value): Same.
9229 (call_local{32,64}): Same.
9230 (call_value_local{32,64}): Same.
9231 (call_indirect_nonlocal_aix{32,64}): Same.
9232 (call_nonlocal_aix{32,64}): Same.
9233 (call_value_indirect_nonlocal_aix{32,64}): Same.
9234 (call_value_nonlocal_aix{32,64}): Same.
9235 (call_indirect_nonlocal_sysv<mode>): Same.
9236 (call_nonlocal_sysv<mode>): Same.
9237 (call_value_indirect_nonlocal_sysv<mode>): Same.
9238 (call_value_nonlocal_sysv<mode>): Same.
9239 (sibcall): Same.
9240 (sibcall_local{32,64}): Same.
9241 (sibcall_value_local{32,64}): Same.
9242 (sibcall_nonlocal_aix{32,64}): Same.
9243 (sibcall_value_nonlocal_aix{32,64}): Same.
9244 (sibcall_nonlocal_sysv<mode>): Same.
9245 (sibcall_value): Same.
9246 (sibcall_value_nonlocal_sysv<mode>): Same.
9247
9248 2007-03-24 Paul Brook <paul@codesourcery.com>
9249
9250 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
9251 * config/arm/linux-eabi.h: Remove legacy syscall hack.
9252
9253 2007-03-24 Richard Henderson <rth@redhat.com>
9254
9255 * config/ia64/constraints.md: New file.
9256 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
9257 satisfies_constraint_?.
9258 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
9259 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
9260 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
9261 ia64_output_mi_thunk): Likewise.
9262 (ia64_const_ok_for_letter_p): Remove.
9263 (ia64_const_double_ok_for_letter_p): Remove.
9264 (ia64_extra_constraint): Remove.
9265 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
9266 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
9267 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
9268 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
9269 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
9270 EXTRA_MEMORY_CONSTRAINT): Remove.
9271 * config/ia64/ia64.md: Include constriants.md. Replace
9272 CONST_OK_FOR_? with satisfies_constraint_?.
9273
9274 2007-03-23 Michael Meissner <michael.meissner@amd.com>
9275 H.J. Lu <hongjiu.lu@intel.com>
9276
9277 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
9278 DPD or BID name.
9279 (name macros): Use DPD_BID_NAME to convert names properly.
9280
9281 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
9282 decimal floating point format.
9283 (init_floating_libfuncs): Change decimal functions so that they
9284 have a "bid_" prefix if the decimal system uses the BID format,
9285 and "dpd_" prefix if the decimal system uses the DPD format.
9286 (init_interclass_conv_libfuncs): Ditto.
9287 (init_intraclass_conv_libfuncs): Ditto.
9288
9289 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9290 using the BID format.
9291
9292 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9293 whether we are using the BID decimal format.
9294 * configure: Regenerate.
9295
9296 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9297 the compiler has decimal floating point enabled. Define
9298 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9299 instead of DPD.
9300
9301 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9302 using the BID format.
9303
9304 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9305 whether we are using the BID decimal format.
9306 * configure: Regenerate.
9307
9308 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9309 the compiler has decimal floating point enabled. Define
9310 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9311 instead of DPD.
9312
9313 * doc/install.texi (--enable-decimal-float): Document BID and DPD
9314 options, and that it is enabled for i386/x86_64 systems.
9315
9316 * Makefile.in (enable_decimal_float): New.
9317 (DECNUMFMT): New.
9318 (DECNUMINC): Add -I$(DECNUMFMT).
9319 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
9320 to $(DECNUMFMT) from $(DECNUM).
9321
9322 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
9323 Substitute enable_decimal_float.
9324 * configure: Regenerated.
9325
9326 PR other/30529
9327 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
9328 unsigned long.
9329
9330 * configure.ac: Enable decimal float for x86_64-*-linux*.
9331 * configure: Regenerated.
9332
9333 PR other/30530
9334 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
9335 decimal128ClearSign to flip and clear the sign bit in decimal128.
9336 (decimal_real_maxval): Set decimal128SetSign to set the sign
9337 bit in decimal128.
9338
9339 2007-03-23 Ian Lance Taylor <iant@google.com>
9340
9341 * fold-const.c (fold_binary): Correct warning for X - c >= X.
9342
9343 2007-03-23 Ian Lance Taylor <iant@google.com>
9344
9345 * tree-dump.c (dump_files): Correct comment.
9346
9347 2007-03-23 Ian Lance Taylor <iant@google.com>
9348
9349 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
9350
9351 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
9352
9353 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
9354 in cfglayout mode. Don't go into and out of cfglayout mode.
9355 Link the blocks in the order of the constructed traces.
9356 (rest_of_handle_tracer): Adjust call to tracer.
9357 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
9358 Don't go into cfglayout mode.
9359 (rtl_loop_done): Don't go out of cfglayout mode.
9360 * cfglayout.c (relink_block_chain): New function, split out from...
9361 (fixup_reorder_chain): ...here. Remove redundant checking.
9362 (cfg_layout_finalize): Don't clear the header, footer, and aux
9363 fields here, move the code to do so to relink_block_chain. Likewise
9364 for free_original_copy_tables.
9365 * rtl.h (tracer): Update prototype.
9366 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
9367 Assert we are in cfglayout mode. Don't go into and out of cfglayout
9368 mode. Use relink_block_chain to serialize the CFG according to the
9369 new basic block order. Move targetm.cannot_modify_jumps_p check from
9370 here...
9371 (gate_handle_reorder_blocks): ...to here.
9372 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
9373 from here...
9374 (gate_duplicate_computed_gotos): ...to here.
9375 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
9376 something always changes when going into and out of cfglayout mode.
9377 Perform an expensive cfg cleanup while going into cfglayout mode.
9378 Always update liveness information on HAVE_conditional_execution
9379 targets. Reserialize the basic blocks and go out of cfglayout mode.
9380 * reg-stack.c: Include cfglayout.h.
9381 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
9382 the call to reorder_basic_blocks.
9383 * basic-block.h (reorder_basic_blocks): Update prototype.
9384 (relink_block_chain): New prototype.
9385 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
9386
9387 2007-03-23 Joseph Myers <joseph@codesourcery.com>
9388
9389 * config/mips/mips.md (type, hazard, *movdi_32bit,
9390 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
9391 *movhi_internal, *movqi_internal, *movsf_hardfloat,
9392 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
9393 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
9394 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
9395 applicable.
9396 (movcc): Change first xfer to multi.
9397 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
9398 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
9399 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
9400 config/mips/generic.md: Change reservations using "xfer" to use
9401 "mfc,mtc".
9402 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
9403 using match_operand.
9404 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
9405 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
9406 examining mode.
9407 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
9408
9409 2007-03-22 Richard Henderson <rth@redhat.com>
9410
9411 * config/i386/i386.c: Remove unnecessary function declarations.
9412 Move targetm definition, and all related macros, to the end of
9413 the file. Resort some functions to put definitions before uses.
9414 (ix86_attribute_table): Make static. Move to end of file.
9415 (ix86_gimplify_va_arg): Make static.
9416
9417 2007-03-22 Richard Henderson <rth@redhat.com>
9418
9419 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
9420 don't increase local_regparm with force_align_arg_pointer check.
9421 (ix86_function_sseregparm): Assert 32-bit.
9422 (type_has_variadic_args_p): New.
9423 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
9424 type_has_variadic_args_p.
9425 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
9426 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
9427 use memset instead. Do maybe_vaarg check first; skip attribute
9428 tests if true; skip attribute tests for 64-bit.
9429 (construct_container): Remove TARGET_DEBUG_ARG.
9430 (function_arg_advance_32, function_arg_advance_64): Split out ...
9431 (function_arg_advance): ... from here.
9432 (function_arg_32, function_arg_64): Split out ...
9433 (function_arg): ... from here.
9434 (ix86_pass_by_reference): Tidy.
9435 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
9436 (function_value_32): New, from parts of ix86_function_value
9437 and ix86_value_regno.
9438 (function_value_64): New, from parts of ix86_function_value
9439 and ix86_libcall_value.
9440 (ix86_function_value_1): New.
9441 (ix86_function_value, ix86_libcall_value): Use it.
9442 (return_in_memory_32, return_in_memory_64): Split out ...
9443 (ix86_return_in_memory): ... from here.
9444 (ix86_struct_value_rtx): Skip for 64-bit.
9445 (ix86_libcall_value, ix86_value_regno): Remove.
9446 (setup_incoming_varargs_64): Split out ...
9447 (ix86_setup_incoming_varargs): ... from here.
9448 (ix86_va_start): Remove TARGET_DEBUG_ARG.
9449 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
9450 * config/i386/i386-protos.h (ix86_function_value): Remove.
9451 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
9452
9453 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9454
9455 PR other/23572
9456 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
9457 infinities not supported, otherwise emit warning if -Woverflow. On
9458 underflow, emit warning if -Woverflow.
9459 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
9460 and 0 otherwise.
9461 * real.h (real_from_string): Update declaration
9462
9463 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
9464 Richard Henderson <rth@redhat.com>
9465
9466 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
9467 * calls.c (compute_argument_block_size, expand_call,
9468 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
9469 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
9470 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
9471 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
9472 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
9473 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
9474 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
9475 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
9476 Set to 1.
9477
9478 2007-03-22 Joseph Myers <joseph@codesourcery.com>
9479
9480 * c-incpath.c (add_sysroot_to_chain): New.
9481 (merge_include_chains): Add sysroot argument. Call
9482 add_sysroot_to_chain if sysrooted.
9483 (register_include_chains): Update call to merge_include_chains.
9484 * doc/cppopts.texi: Document use of '=' in include directory
9485 arguments.
9486
9487 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
9488
9489 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
9490 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
9491 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
9492 insn pattern using X87MODEF12 mode macro.
9493
9494 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
9495
9496 * regmove.c (regmove_optimize): Use reg_mentioned_p
9497 instead of reg_overlap_mentioned_p for DST.
9498
9499 2007-03-21 Mike Stump <mrs@apple.com>
9500
9501 * c.opt: Fixup for Objective-C/C++.
9502
9503 2007-03-21 Steve Ellcey <sje@cup.hp.com>
9504
9505 * explow.c (convert_memory_address): Fold memory reference when
9506 POINTERS_EXTEND_UNSIGNED < 0
9507
9508 2007-03-21 Richard Henderson <rth@redhat.com>
9509
9510 PR target/31245
9511 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
9512 * config/i386/mmintrin.h (__m64): Likewise.
9513 * config/i386/xmmintrin.h (__m128): Likewise.
9514
9515 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9516
9517 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
9518 (VXWORKS_OS_CPP_BUILTINS): Define.
9519 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
9520 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
9521
9522 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9523
9524 * rtl.h (constant_pool_reference_p): Delete.
9525 (find_constant_src): Declare.
9526 * rtlanal.c (find_constant_src): New function.
9527 * simplify-rtx.c (constant_pool_reference_p): Delete.
9528 * config/i386/i386.md: Use find_constant_src instead of
9529 constant_pool_reference_p/avoid_constant_pool_reference pairs.
9530
9531 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9532
9533 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
9534 * c-cppbuiltin.c (c_cpp_builtins): Define them.
9535
9536 2007-03-20 Mark Mitchell <mark@codesourcery.com>
9537
9538 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
9539 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
9540 (arm_elf_asm_constructor): Use it.
9541 (arm_elf_asm_destructor): New function.
9542
9543 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
9544
9545 * jump.c (mark_jump_label): Treat SEQUENCE specially.
9546
9547 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
9548
9549 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
9550
9551 2007-03-19 Andrew Haley <aph@redhat.com>
9552
9553 PR tree-optimization/31264
9554 * tree-vrp.c (register_edge_assert_for_1): Don't look though
9555 VIEW_CONVERT_EXPRs.
9556
9557 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
9558
9559 PR rtl-optimization/30907
9560 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
9561 (fwprop_init): Always call loop_optimizer_initialize.
9562 (fwprop_done): Always call loop_optimizer_finalize.
9563 (fwprop): We always have loop info now.
9564 (gate_fwprop_addr): Remove.
9565 (pass_fwprop_addr): Use gate_fwprop as gate.
9566
9567 PR rtl-optimization/30841
9568 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
9569 df_chain_alloc): Call df_reorganize_refs unconditionally.
9570 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
9571 refs_organized to refs_organized_size.
9572 (df_ref_create_structure): Use refs_organized_size instead of
9573 bitmap_size if refs had been organized, and keep refs_organized_size
9574 up-to-date.
9575 * df.h (struct df_ref_info): Change refs_organized to
9576 refs_organized_size.
9577 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
9578 bitmap_size.
9579
9580 2007-03-19 Mark Mitchell <mark@codesourcery.com>
9581
9582 * except.c (output_function_exception_table): Do not reference the
9583 EH personality routine for functions that do not require an
9584 exception table.
9585
9586 2007-03-20 Jakub Jelinek <jakub@redhat.com>
9587
9588 PR c/30762
9589 * c-typeck.c (convert_for_assignment): Call comptypes for
9590 RECORD_TYPE or UNION_TYPE.
9591
9592 PR inline-asm/30505
9593 * reload1.c (reload): Do invalid ASM checking after
9594 cleanup_subreg_operands.
9595
9596 2007-03-19 Jeff Law <law@redhat.com>
9597
9598 * tree-cfg.c (find_taken_edge): Tighten conditions for
9599 optimizing computed gotos.
9600
9601 2007-03-19 Michael Matz <matz@suse.de>
9602
9603 * builtins.c (expand_builtin_sync_operation,
9604 expand_builtin_compare_and_swap,
9605 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
9606 correctly.
9607
9608 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
9609 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
9610 for operand 3.
9611
9612 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9613
9614 * doc/tm.texi: Add brackets around the return type of
9615 TARGET_SECONDARY_RELOAD.
9616
9617 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
9618 Richard Guenther <rguenther@suse.de>
9619
9620 PR tree-optimization/31254
9621 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9622 Use handled_component_p () where appropriate. Continue
9623 propagating into the rhs if we propagated into an INDIRECT_REF
9624 on the lhs.
9625
9626 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9627
9628 * config/s390/s390.md (op_type attribute): RRR instruction type added.
9629 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
9630 (xde, xdee): Mode attributes adjusted to support DFP modes.
9631 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
9632 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
9633 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
9634 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
9635 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
9636 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9637 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
9638 numbers.
9639 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
9640 "movsf"): Insn definitions removed.
9641 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
9642 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
9643 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
9644 definitions added.
9645 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
9646 "reload_in<mode>", "reload_out<mode>"): Expander added.
9647 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
9648 Expander removed.
9649
9650 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9651
9652 * config/s390/s390.md: Only non-functional changes. Renamed
9653 FPR mode macro to BFP all over the file.
9654
9655 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9656
9657 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
9658 (op_type attribute): RRF instruction type added.
9659 (fT0): New mode attribute.
9660 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9661 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
9662 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
9663 no secondary memory is needed when moving DFmode values between GPRs
9664 and FPRs.
9665
9666 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9667
9668 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
9669 inverted and documentation adjusted.
9670 ("mhard-dfp", "msoft-dfp"): New options.
9671 * config/s390/s390.c (s390_handle_arch_option): New architecture
9672 switch: z9-ec.
9673 (override_options): Sanity checks for the new options added.
9674 * config.gcc: New architecture switch: z9-ec.
9675 * config/s390/s390.h (processor_flags): PF_DFP added.
9676 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
9677 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
9678 when the bit is NOT set so remove it from the defaults.
9679
9680 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9681
9682 * genemit.c (main): Print include statement for dfp.h.
9683 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
9684 is not available.
9685
9686 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9687
9688 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
9689
9690 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
9691
9692 PR target/31022
9693 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
9694 instead of PATTERN.
9695
9696 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9697
9698 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
9699 attr_length_call, output_call, output_indirect_call): Cleanup
9700 formatting of targetm calls.
9701
9702 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9703
9704 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
9705
9706 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9707
9708 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
9709 reservation, bypass and anti-bypass descriptions for these instructions.
9710 Update move patterns.
9711 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
9712 TYPE_FPSTORE.
9713
9714 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
9715
9716 * tree-vect-transform.c (get_initial_def_for_induction): Replace
9717 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
9718 (get_initial_def_for_reduction): Likewise.
9719
9720 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
9721
9722 Fix PR tree-optimization/29922
9723 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
9724 (get_representative): Removed.
9725 (value_dies_in_block_x): Update for rvuse removal.
9726 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
9727 (compute_antic_aux): Handle when PHI nodes appear in
9728 non-single-successors.
9729 (dump_bitmap_of_names): Removed.
9730 (compute_antic_safe): Renamed and removed rvuse calculation.
9731 Calculate only antic safe.
9732 (insert_into_preds_of_block): Remove assert.
9733 (execute_pre): Update for renamed functions.
9734 (defer_or_phi_translate_block): New function.
9735
9736 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9737
9738 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
9739 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
9740 typos.
9741 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
9742 Follow spelling conventions.
9743
9744 * tree-data-ref.h: Remove the prototype for analyze_array.
9745
9746 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
9747
9748 PR tree-optimization/31041
9749 * tree-vect-transform.c (get_initial_def_for_induction): Call
9750 force_gimple_operand.
9751
9752 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
9753
9754 * ipa-type-escape.c (look_for_casts) : Revert code to use
9755 handled_component_p due to ada test a-numaux.adb.
9756
9757 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9758
9759 * final.c (final_scan_insn): Alter the condition of a
9760 conditional trap if we have nonstandard CC.
9761
9762 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9763
9764 * configure.ac: Remove excess quoting from asm line 0 test.
9765 * configure: Rebuilt.
9766
9767 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9768
9769 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
9770 * c-common.c (convert_and_check): Move warning logic to...
9771 (warnings_for_convert_and_check): ...here. Define.
9772 * c-common.h (warnings_for_convert_and_check): Declare.
9773
9774 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9775
9776 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
9777 (output_call): Likewise.
9778
9779 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9780
9781 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
9782
9783 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9784
9785 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
9786
9787 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
9788
9789 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
9790 opteron, athlon-64 and athlon-fx processor_alias_table entries.
9791
9792 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
9793
9794 PR tree-optimization/31183
9795 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
9796 Use double_int instead of unsigned int for representing access_strides.
9797 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
9798
9799 2007-03-16 Richard Guenther <rguenther@suse.de>
9800
9801 PR tree-optimization/31146
9802 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
9803 to allow recursion of forward_propagate_addr_expr.
9804 (forward_propagate_addr_into_variable_array_index): Likewise.
9805 (forward_propagate_addr_expr): Likewise.
9806 (tree_ssa_forward_propagate_single_use_vars): Likewise.
9807 (forward_propagate_addr_expr_1): Recurse on simple copies
9808 instead of propagating into them. Do so for useless conversions
9809 as well.
9810 (forward_propagate_addr_expr): Clean up unused statements after
9811 recursion.
9812
9813 2007-03-16 Richard Guenther <rguenther@suse.de>
9814
9815 * builtins.c (expand_builtin_cexpi): Use the right argument
9816 for the expansion via cexp.
9817
9818 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9819
9820 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
9821 * configure: Rebuilt.
9822
9823 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9824
9825 PR debug/29906
9826 * dwarf2out.c (force_type_die): Adjust comment.
9827 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
9828
9829 2007-03-15 DJ Delorie <dj@redhat.com>
9830
9831 * config/frv/predicates.md (minmax_operator): Don't check operands
9832 here.
9833
9834 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9835
9836 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
9837 Update constant estimates of number of iterations.
9838 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
9839 argument renamed to "realistic".
9840 (compute_estimated_nb_iterations): Removed.
9841 (record_niter_bound): New function.
9842 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
9843 call record_nonwrapping_iv with upper = false.
9844 (infer_loop_bounds_from_signedness): Pass upper argument to
9845 record_nonwrapping_iv.
9846 (estimate_numbers_of_iterations_loop): Do not call
9847 compute_estimated_nb_iterations. Record estimate based on profile
9848 information. Initialize the constant estimates of number of
9849 iterations.
9850 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
9851 estimates.
9852 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
9853 number of iterations is too small.
9854 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
9855 (EST_NOT_AVAILABLE): Removed.
9856 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
9857 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
9858 fields.
9859
9860 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9861
9862 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
9863 Handle NE_EXPR guards.
9864
9865 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9866
9867 PR c++/24924
9868 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
9869 Set also -pedantic-errors by default for the preprocessor unless
9870 -fpermissive is given.
9871
9872 2007-03-15 Richard Guenther <rguenther@suse.de>
9873
9874 PR middle-end/29719
9875 PR middle-end/31161
9876 * builtins.c (expand_builtin_cexpi): As a fallback if we
9877 don't have builtins for sincos or cexp create a function
9878 declaration for cexp and expand to a call to that.
9879 (expand_builtin_int_roundingfn): Always fall
9880 back to floor/ceil and its variants even if they may be
9881 not available.
9882
9883 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
9884
9885 PR middle-end/31159
9886 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
9887 jump tables, move the call to delete_dead_jumptables from here...
9888 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
9889 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
9890 don't allow merging of blocks that try_redirect_by_replacing_jump
9891 also does not handle when not optimizing.
9892
9893 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9894 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9895
9896 * config/i386/i386.md (x86_sahf_1): Correctly handle
9897 HAVE_AS_IX86_SAHF.
9898
9899 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9900
9901 PR target/31167
9902 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
9903 x86_64_general_operand as operand[2] predicate. Remove "iF"
9904 from operand constraints and use "e" constraint instead.
9905 (*subti3_1, *subti3_1 splitter): Ditto.
9906 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
9907 operand[1] predicate.
9908
9909 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
9910
9911 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
9912 arrays, multiply the access strides by the size of the sub-array.
9913 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
9914
9915 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9916
9917 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
9918 the configured assembler supports the sahf mnemonic.
9919 * configure: Regenerate.
9920 * config.in: Regenerate.
9921
9922 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
9923 emit "sahf" or ".byte\t0x9e" as asm template.
9924
9925 2007-03-14 Michael Meissner <michael.meissner@amd.com>
9926
9927 PR 31018
9928 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
9929 option to replace hard coded TARGET_xxx in md file.
9930 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
9931 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9932 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
9933 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
9934 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
9935 (X86_TUNE_NOT_VECTORMODE): Ditto.
9936 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
9937 (TUNE_AVOID_VECTOR_DECODE): Ditto.
9938 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9939 (TUNE_SLOW_IMUL_IMM8): Ditto.
9940 (TUNE_MOVE_M1_VIA_OR): Ditto.
9941 (TUNE_NOT_UNPAIRABLE): Ditto.
9942 (TUNE_NOT_VECTORMODE): Ditto.
9943
9944 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
9945 options.
9946
9947 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
9948 tuning options instead of hard coded TARGET_xxx.
9949 (fix ssemode peephole2's): Ditto.
9950 (imul peephole2's): Ditto.
9951 (movsi_or): Ditto.
9952 (movdi_or_rex64): Ditto.
9953 (move peephole2): Ditto.
9954 (not peephole2's): Ditto.
9955
9956 2007-03-14 Dirk Mueller <dmueller@suse.de>
9957
9958 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
9959 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
9960 * c-parser.c (c_parser_if_body): Always add an empty statement in case
9961 of empty body.
9962 * c-parser.c (c_parser_do_statement): Warn about empty body in
9963 do/while statement.
9964 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
9965 * doc/invoke.texi (-Wempty-body): Update documentation.
9966
9967 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9968
9969 PR c/21438
9970 * c-common.h (warn_for_div_by_zero): Declare.
9971 * c-common.c (warn_for_div_by_zero): Define.
9972 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
9973 warning.
9974
9975 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9976
9977 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
9978 to PREFIX and STANDARD_PREFIX.
9979
9980 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9981 Phil Edwards <phil@codesourcery.com>
9982
9983 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
9984 (__gthread_once_t): Remove busy field for RTPs.
9985 (__GTHREAD_ONCE_INIT): Update accordingly.
9986
9987 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9988
9989 * doc/invoke.texi: Document VxWorks options.
9990
9991 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9992
9993 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
9994
9995 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
9996
9997 PR tree-optimization/30590
9998 * tree-nrv.c (tree_nrv): Check for the partial update of the
9999 return value.
10000
10001 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10002
10003 * flags.h (flag_random_seed): Remove declaration, in favor of...
10004 * toplev.h (get_random_seed, set_random_seed): ... these.
10005 * tree.c (get_file_function_name): Use the former.
10006 * opts.c (common_handle_option): Use the latter.
10007 * toplev.c
10008
10009 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
10010
10011 PR middle-end/31127
10012 * cse.c (cse_find_path): Do not bail out if a basic block that
10013 we already visited now becomes part of a path that starts at a
10014 different basic block. Just disallow this, to make sure we
10015 visit each basic block at most once.
10016
10017 2007-03-13 Jan Hubicka <jh@suse.cz>
10018
10019 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
10020 when profile esitmate is present, calls with very low frequency are
10021 cold.
10022
10023 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10024
10025 PR tree-optimization/30730
10026 PR tree-optimization/26900
10027 * tree-ssa-loop-niter.c: Include gmp.h.
10028 (bounds): New type.
10029 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
10030 split_to_var_and_offset, determine_value_range,
10031 bound_difference_of_offsetted_base, refine_bounds_using_guard,
10032 bound_difference, bounds_add, bounds_negate,
10033 number_of_iterations_ne_max, dump_affine_iv): New functions.
10034 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10035 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
10036 difference of initial and final value of control iv to validate
10037 results.
10038 (number_of_iterations_cond): Add loop parameter. Determine bounds
10039 on the difference of the extremes of the control iv. Add dumps.
10040 (expand_simple_operations): Handle phi nodes.
10041 (simplify_using_initial_conditions): Do not record used conditions.
10042 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
10043 Do not set additional_info.
10044 (implies_nonnegative_p, implies_ge_p): Removed.
10045 (derive_constant_upper_bound): Do not use parameter `additional'.
10046 (record_estimate): Parameter `additional' removed. Parameter
10047 `i_bound' added. Do not call derive_constant_upper_bound.
10048 (record_nonwrapping_iv): Use derive_constant_upper_bound to
10049 bound the number of iterations estimate.
10050 (estimate_numbers_of_iterations_loop): Pass the estimate from
10051 the number of iterations analysis to record_estimate.
10052 * tree.h (multiple_of_p): Declare.
10053 * tree-scalar-evolution.c (expression_expensive_p): Removed.
10054 (scev_const_prop): Do not check expression_expensive_p.
10055 * fold-const.c (multiple_of_p): Exported.
10056 * double-int.c (double_int_mask): Exported.
10057 * double-int.h (double_int_mask): Declare.
10058 * tree-flow.h (struct tree_niter_desc): Removed additional_info
10059 field. Added max field.
10060
10061 2007-03-13 David Taylor <taylor@candd.org>
10062
10063 PR driver/12448:
10064 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
10065 default -MQ.
10066
10067 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10068
10069 PR target/31123
10070 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
10071 two unamed patterns.
10072
10073 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
10074
10075 * config/i386/i386.opt (mcx16, msahf): New options.
10076 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
10077 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
10078
10079 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
10080 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
10081 Output -mcx16 and -msahf options when corresponding bit is set.
10082
10083 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
10084 and -msahf options.
10085
10086 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10087
10088 * configure.ac: Test for assembler tolerance to # 0 "".
10089 * configure, config.in: Rebuilt.
10090 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
10091
10092 2007-03-13 Geoffrey Keating <geoffk@apple.com>
10093
10094 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
10095
10096 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
10097 (handle_syscall): Handle direct system calls.
10098 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
10099
10100 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10101
10102 * doc/invoke.texi: Fix cpp.info cross-reference.
10103 * doc/passes.texi: Fix gcc.info cross-reference.
10104
10105 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
10106
10107 PR tree-optimization/30835
10108 * lambda-code.c (can_convert_to_perfect_nest): Check whether
10109 bb_for_stmt is not NULL before accessing it.
10110
10111 2007-03-12 Joseph Myers <joseph@codesourcery.com>
10112
10113 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
10114 some multilibs.
10115
10116 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10117
10118 PR 30635
10119 * doc/install.texi: Document --enable-stage1-languages
10120
10121 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
10122
10123 * tree-pass.h (pass_into_cfg_layout_mode,
10124 pass_outof_cfg_layout_mode): Declare.
10125 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
10126 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
10127 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
10128 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
10129
10130 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
10131
10132 * c-decl.c (warn_variable_length_array): New function.
10133 Refactored from grokdeclarator to handle warn_vla
10134 and handle unnamed array case.
10135 (grokdeclarator): Refactored VLA warning case.
10136 * c.opt (Wvla): New flag.
10137 * doc/invoke.texi (Wvla): New warning.
10138
10139 2007-03-12 Richard Henderson <rth@redhat.com>
10140
10141 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
10142 (TARGET_SECTION_TYPE_FLAGS): New.
10143
10144 2007-03-12 Richard Henderson <rth@redhat.com>
10145
10146 * config/darwin.c (machopic_reloc_rw_mask): New.
10147 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10148 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
10149
10150 2007-03-12 Mark Mitchell <mark@codesourcery.com>
10151
10152 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
10153 * cppdefault.h (cpp_PREFIX): Document.
10154 (cpp_PREFIX_len): Likewise.
10155 (cpp_EXEC_PREFIX): New variable.
10156 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
10157 * c-incpath.c (add_standard_paths): Correct logic for relocating
10158 paths within prefix.
10159
10160 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
10161
10162 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
10163 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
10164 mode macro.
10165 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
10166 fix_truncdfdi_sse using SSEMODEF mode macro.
10167 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
10168 fix_truncdfsi_sse using SSEMODEF mode macro.
10169 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
10170 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
10171
10172 2007-03-12 Richard Sandiford <richard@codesourcery.com>
10173
10174 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
10175 elfos.h to tm_file.
10176
10177 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
10178
10179 * tree.h : Add multiple_of_p declaration.
10180 * fold-const.c (multiple_of_p): Make multiple_of_p public.
10181 * ipa-type-escape.c (results_of_malloc): Redundant.
10182 (visited_stmts): New. Visited stmt for walk_use_def_chains.
10183 (cast_type): Extended with new members.
10184 (check_cast): Returns cast_type.
10185 (cast): New structure for data of walk_use_def_chains.
10186 (is_malloc_result, is_cast_from_non_pointer_1,
10187 is_cast_from_non_pointer,
10188 is_array_access_through_pointer_and_index): New functions.
10189 (look_for_casts): Returns cast types.
10190 (check_call): Returns void.
10191 (okay_pointer_operation): Use support of pointer plus index,
10192 pointer plus constant and allow all multiplications.
10193
10194 2007-03-11 Richard Guenther <rguenther@suse.de>
10195
10196 PR tree-optimization/31115
10197 * tree-vrp.c (extract_range_from_binary_expr): Make sure
10198 the shift count is positive and non-anti-range for RSHIFT_EXPR.
10199 A shift count of zero is not special as with *_DIV_EXPR.
10200 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
10201 direction.
10202
10203 2007-03-11 Ian Lance Taylor <iant@google.com>
10204
10205 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
10206 the *_DIV_EXPR codes correctly with overflow infinities.
10207
10208 2007-03-11 Ira Rosen <irar@il.ibm.com>
10209
10210 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
10211 indicate success/failure of the analysis. Add negation to subtrahend
10212 in case of subtraction. Fail if both operands contain constants.
10213 (create_data_ref): Fail if analyze_offset fails.
10214
10215 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
10216
10217 * config/i386/i386.md (frndintxf2): Rename to ...
10218 (rintxf2): ... this. Remove expander having same name.
10219 (rintsf2, rintdf2): Implement using SSEMODEF macro.
10220 (roundsf2, rounddf2): Ditto.
10221 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
10222 (lround<mode>di2, lround<mode>si2): Ditto.
10223
10224 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
10225
10226 * lower-subreg.c: Include except.h.
10227 (decompose_multiword_subregs): Verify that the only control flow
10228 insns we can split are loads to multi-words pseudos.
10229 Handle breaking such blocks after splitting, instead of calling
10230 find_many_sub_basic_blocks.
10231
10232 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
10233 on the new basic block. Add a lengthy comment explaining why we
10234 thought this was necessary.
10235 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
10236
10237 2007-03-10 Mark Mitchell <mark@codesourcery.com>
10238
10239 PR c++/30924
10240 * tree.c (walk_type_fields): Recurse into the element type of
10241 ARRAY_TYPEs if there is a pointer set.
10242
10243 2007-03-10 Dirk Mueller <dmueller@suse.de>
10244
10245 * c-common.c (warn_logical_operator): Fix condition.
10246
10247 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
10248
10249 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
10250 quotation mark.
10251 * config/darwin.c (machopic_select_section): Remove superfluous
10252 argument in call to categorize_decl_for_section. Remove unused
10253 variable shlib.
10254
10255 2007-03-10 Joseph Myers <joseph@codesourcery.com>
10256
10257 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
10258 defined.
10259 * configure: Regenerate.
10260
10261 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
10262
10263 PR target/31101
10264 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
10265 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
10266 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
10267 Add LABEL_NUSES to emitted label.
10268 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
10269 branch probability value to emitted jump insn.
10270 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
10271 Do not check life information and do not re-arrange input operands
10272 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
10273
10274 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10275
10276 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
10277 the change of decode_asm_operands.
10278
10279 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10280
10281 * mode-switching.c (create_pre_exit): Skip blockage insn.
10282
10283 2007-03-09 Diego Novillo <dnovillo@redhat.com>
10284
10285 * tree-pass.h (TODO_update_smt_usage): Remove.
10286 Update all users.
10287 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
10288 argument SOME.
10289 Update all users.
10290
10291 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10292
10293 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
10294 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
10295 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
10296 SOM target.
10297
10298 2007-03-09 Geoffrey Keating <geoffk@apple.com>
10299
10300 * gcc.c: Document %{, in big comment at top.
10301 (input_suffix_matches): Remove special handling for .s and
10302 .S.
10303 (input_spec_matches): New.
10304 (handle_braces): Handle %{,.
10305 (validate_switches): ',' indicates a value which is not a switch.
10306 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
10307 to detect assembler input.
10308 * config/i386/sol2.h (CPP_SPEC): Likewise.
10309 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
10310 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
10311 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
10312 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
10313 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
10314 -m64 causes deployment target to default to 10.5.
10315 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10316
10317 2007-03-09 Richard Henderson <rth@redhat.com>
10318
10319 PR target/26090
10320 * target.h (targetm.asm.out.reloc_rw_mask): New.
10321 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
10322 (TARGET_ASM_OUT): Use it.
10323 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
10324 * varasm.c (categorize_decl_for_section): Remove shlib argument;
10325 use the new reloc_rw_mask target hook instead.
10326 (default_section_type_flags_1): Merge into...
10327 (default_section_type_flags): ... here.
10328 (decl_readonly_section_1): Merge into...
10329 (decl_readonly_section): ... here.
10330 (default_elf_select_section_1): Merge into...
10331 (default_elf_select_section): ... here.
10332 (default_unique_section_1): Merge into...
10333 (default_unique_section): ... here.
10334 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
10335 (default_select_rtx_section): Use it.
10336 (default_elf_select_rtx_section): Likewise.
10337 * output.h: Update to match.
10338 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
10339 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
10340 (TARGET_ASM_RELOC_RW_MASK): New.
10341 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
10342 to categorize_decl_for_section.
10343 (x86_64_elf_unique_section): Likewise.
10344 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
10345 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
10346 (TARGET_ASM_RELOC_RW_MASK): New.
10347 * config/ia64/ia64.c (ia64_rwreloc_select_section,
10348 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
10349 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
10350 (TARGET_RWRELOC): Remove.
10351 (ia64_section_type_flags): Adjust call to default_section_type_flags.
10352 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10353 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
10354 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
10355 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
10356 (rs6000_xcoff_select_section): Use decl_readonly_section.
10357 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
10358 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10359 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
10360 (TARGET_SECTION_TYPE_FLAGS): Remove.
10361 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
10362
10363 2007-03-09 Roger Sayle <roger@eyesopen.com>
10364
10365 * fold-const.c (fold_comparison): Remove compile-time evaluation of
10366 complex constant equality/inequality comparisons for here.
10367 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
10368 known at compile-time or can be simplified to a scalar comparison.
10369 (fold_relational_const): Move compile-time evaluation of complex
10370 constant equality/inequality comparisons to here.
10371
10372 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10373
10374 PR rtl-optimization/30643
10375 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
10376 dest_addr_elt.
10377 (fold_rtx): Recurse, like before 2006-11-03.
10378
10379 2007-03-09 DJ Delorie <dj@redhat.com>
10380
10381 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
10382 m32c-pragma.o.
10383
10384 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
10385
10386 PR tree-optimization/30375
10387 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
10388 LHS of statements is not the same.
10389 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
10390
10391 2007-03-09 Chao-ying Fu <fu@mips.com>
10392
10393 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
10394 REV 2.
10395 * doc/invoke.texi (-mdspr2): Document new option.
10396 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
10397 New unspec for DSP REV 2.
10398 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
10399 these instructions are extended in DSP REV 2.
10400 (mips-dspr2.md): Include.
10401 * config/mips/mips.opt (mdspr2): New option.
10402 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
10403 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
10404 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
10405 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
10406 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
10407 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
10408 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
10409 and 2 builtins.
10410 (bdesc_map): Add one field of unsupported_target_flags.
10411 (bdesc_arrays): Update entries to have extra fields. Add
10412 dsp_32only_bdesc.
10413 (mips_init_builtins): Initialize new function types.
10414 Check unsupported_target_fileds to filter out builtins.
10415 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
10416 TARGET_DSPR2.
10417 (ASM_SPEC): Pass mdspr2 to the assembler.
10418 * config/mips/mips-dspr2.md: New file.
10419
10420 2007-03-09 Sa Liu <saliu@de.ibm.com>
10421
10422 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
10423
10424 2007-03-09 Ian Lance Taylor <iant@google.com>
10425
10426 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
10427 argument) like -Wstrict-overflow=2.
10428 * doc/invoke.texi (Warning Options): Update documentation.
10429
10430 2007-03-09 Dirk Mueller <dmueller@suse.de>
10431
10432 PR c++/17946
10433 * doc/invoke.texi (-Wlogical-op): Document.
10434 * common.opt (-Wlogical-op): New.
10435 * c-common.h (warn_logical_operator): Declare.
10436 * c-common.c (warn_logical_operator): Define.
10437 * c-typeck.c (parser_build_binary_op): Call
10438 warn_logical_operator.
10439
10440 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10441
10442 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
10443 * final.c (final_scan_insn): Test for non-"" file name.
10444
10445 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
10446
10447 * doc/loop.texi: Document the Omega linear constraints solver.
10448 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
10449 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
10450 omega-hash-table-size, omega-max-keys, and
10451 omega-eliminate-redundant-constraints.
10452 * tree-pass.h (pass_check_data_deps): Declared.
10453 * omega.c: New.
10454 * omega.h: New.
10455 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
10456 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
10457 pass_check_data_deps): New.
10458 * tree-data-ref.c (init_data_ref): Remove declaration.
10459 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
10460 (analyze_array): Renamed init_array_ref, move up initializations.
10461 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
10462 Removed arguments that are set to NULL.
10463 (analyze_indirect_ref): Correct indentation, correct call to
10464 init_pointer_ref.
10465 (object_analysis): Call init_array_ref instead of analyze_array.
10466 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
10467 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
10468 of DR_ACCESS_FNS_ADDR.
10469 (init_omega_eq_with_af, omega_extract_distance_vectors,
10470 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
10471 ddr_consistent_p): New.
10472 (compute_affine_dependence): Check consistency of ddrs when
10473 flag_check_data_deps is passed.
10474 (analyze_all_data_dependences): Uncomment.
10475 (tree_check_data_deps): New.
10476 * tree-data-ref.h: Include omega.h.
10477 (DR_ACCESS_FNS_ADDR): Removed.
10478 (data_dependence_relation): Add inner_loop.
10479 (DDR_INNER_LOOP): New.
10480 * common.opt (fcheck-data-deps): New.
10481 * tree-flow.h (tree_check_data_deps): Declare.
10482 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
10483 (OBJS-common): Depend on omega.o.
10484 (omega.o): Define.
10485 * passes.c (pass_check_data_deps): Scheduled.
10486 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
10487 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
10488 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
10489 PARAM_VECT_MAX_VERSION_CHECKS,
10490 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
10491
10492 2007-03-09 Richard Guenther <rguenther@suse.de>
10493
10494 PR tree-optimization/30904
10495 PR middle-end/31058
10496 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
10497 the same way as *_DIV_EXPR.
10498
10499 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10500
10501 * recog.c (decode_asm_operands): No mixed declarations and code.
10502
10503 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10504
10505 * rtl.def (ASM_INPUT): Add location.
10506 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
10507 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
10508 (decode_asm_operands): Add loc operand.
10509 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
10510 * stmt.c (expand_asm): Rename to...
10511 (expand_asm_loc): ... this. Add locus argument. Pass it on to
10512 gen_rtx_ASM_INPUT_loc.
10513 (expand_asm_expr): Adjust.
10514 * recog.c (decode_asm_operands): Add loc operand.
10515 (check_asm_operands, extract_insn): Adjust.
10516 * reload1.c (maybe_fix_stack_asms): Likewise.
10517 * final.c (asm_insn_count): Likewise.
10518 (final_scan_insn): Output # line before and after asm.
10519
10520 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
10521
10522 * tree-ssa-structalias.c (variable_info): Remove
10523 finished_solution.
10524 (new_var_info): Ditto.
10525 (shared_bitmap_info_t): New structure.
10526 (shared_bitmap_table): New variable.
10527 (shared_bitmap_hash): New function.
10528 (shared_bitmap_eq): Ditto
10529 (shared_bitmap_lookup): Ditto.
10530 (shared_bitmap_add): Ditto.
10531 (merge_smts_into): Change to take bitmap directly.
10532 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
10533 (init_alias_vars): Init shared bitmap hashtable.
10534 (delete_points_to_sets): Delete shared bitmap hashtable.
10535 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
10536 is_aliased removal as a change that was still necessary was
10537 deleted.
10538
10539 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
10540
10541 * config/i386/i386.h (override_options): Conditionally disable
10542 x86_sahf for 64bit targets only.
10543
10544 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
10545
10546 PR C/31072
10547 * c-decl.c (merge_decls): Don't call make_var_volatile.
10548 * varasm.c (make_var_volatile): Remove.
10549 * output.h (make_var_volatile): Remove.
10550
10551 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
10552
10553 PR tree-optimization/31085
10554 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
10555
10556 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10557
10558 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
10559 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
10560 ATTR_CONST_NOTHROW_LIST.
10561
10562 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
10563 FIX_TRUNC_EXPR.
10564
10565 2007-03-08 Diego Novillo <dnovillo@redhat.com>
10566
10567 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
10568
10569 2007-03-08 Geoffrey Keating <geoffk@apple.com>
10570
10571 PR 31013
10572 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
10573 is declared.
10574 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
10575 passed, use shared libgcc.
10576
10577 2007-03-08 Roger Sayle <roger@eyesopen.com>
10578
10579 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
10580 instead of calling build2 with a GIMPLE_MODIFY_STMT.
10581 (honor_protect_cleanup_actions, lower_try_finally_switch):
10582 Likewise.
10583 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
10584 ifc_temp_var): Likewise.
10585 * tree-inline.c (setup_one_parameter): Likewise.
10586 * tree-mudflap.c (mf_decl_cache_locals,
10587 mf_build_check_statement_for): Likewise.
10588 * tree-nested.c (init_tmp_var, save_tmp_var,
10589 finalize_nesting_tree_1): Likewise.
10590 * tree-outof-ssa.c (insert_copy_on_edge,
10591 insert_backedge_copies): Likewise.
10592 * tree-profile.c (tree_gen_edge_profiler,
10593 tree_gen_ic_profiler): Likewise.
10594 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10595 * tree-sra.c (sra_build_assignment): Likewise.
10596 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
10597 * tree-ssa-math-opts.c (insert_reciprocals,
10598 execute_cse_sincos_1): Likewise.
10599 * tree-tailcall.c (adjust_accumulator_values,
10600 adjust_return_value): Likewise.
10601 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
10602 * tree-vect-transform.c (vect_create_data_ref_ptr,
10603 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
10604 vect_create_epilog_for_reduction, vectorizable_reduction,
10605 vectorizable_call, vectorizable_conversion,
10606 vectorizable_assignment, vectorizable_operation,
10607 vectorizable_type_demotion, vect_gen_widened_results_half,
10608 vect_permute_store_chain, vectorizable_store,
10609 vect_setup_realignment, vect_permute_load_chain,
10610 vectorizable_load, vectorizable_condition,
10611 vect_create_cond_for_align_checks): Likewise.
10612 * tree-vrp.c (build_assert_expr_for): Likewise.
10613
10614 2007-03-08 Ian Lance Taylor <iant@google.com>
10615
10616 * tree-vrp.c: Include "intl.h".
10617 (usable_range_p): New static function.
10618 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
10619 overflowed values, juts set *strict_overflow_p.
10620 (compare_values): Only return -2 if one of the operands is not a
10621 constant.
10622 (compare_ranges): Call usable_range_p.
10623 (compare_range_with_value): Likewise.
10624 (vrp_evaluate_conditional_warnv): Rename from
10625 vrp_evaluate_conditional. Make static. Change all callers.
10626 (vrp_evaluate_conditional): New function.
10627 (simplify_div_or_mod_using_ranges): Issue warning about reliance
10628 on signed overflow.
10629 (simplify_abs_using_ranges): Likewise.
10630 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
10631 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
10632 within_stmt parameter.
10633 * tree-ssa-propagate.c (fold_predicate_in): Update call to
10634 vrp_evaluate_conditional.
10635 * tree-ssa-threadedge.c
10636 (record_temporary_equivalences_from_stmts_at_dest): Change
10637 simplify parameter to take a second tree parameter.
10638 (simplify_control_stmt_condition): Likewise.
10639 (thread_across_edge): Likewise.
10640 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
10641 (thread_across_edge): Likewise.
10642 * Makefile.in (tree-vrp.o): Depend upon intl.h.
10643
10644 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
10645
10646 * config/i386/i386.h (TARGET_SAHF): New define.
10647 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
10648 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
10649 (x86_sahf): New global variable.
10650 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
10651 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
10652 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
10653 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
10654 for 64-bit.
10655 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
10656 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
10657 when expanding fcomi/sahf based tests.
10658 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
10659 expanding sahf based alternative. Emit sahf based sequence when
10660 optimizing for code size.
10661 * config/i386/i386.md (x86_sahf_1): Do not disable for
10662 TARGET_64BIT, enable for TARGET_SAHF.
10663
10664 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
10665
10666 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
10667 spurious whitespace from error message.
10668
10669 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
10670
10671 PR c++/30852
10672 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
10673
10674 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
10675
10676 * c-decl.c (grokdeclarator): Disable warnings for anonymous
10677 bitfields.
10678 * tree-sra.c (instantiate_element): Propagate disabled warnings
10679 from the element itself to the created variable.
10680
10681 2007-03-07 Richard Henderson <rth@redhat.com>
10682
10683 PR target/30848
10684 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
10685 silently fix up the stack in the case of a missing register.
10686
10687 2007-03-07 Paul Brook <paul@codesourcery.com>
10688
10689 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
10690
10691 2007-03-07 Joseph Myers <joseph@codesourcery.com>
10692
10693 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
10694 New.
10695 (phase1_vrs): Use them.
10696 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
10697 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
10698 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
10699 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
10700 __gnu_Unwind_Restore_WMMXC if required.
10701 (_Unwind_VRS_Pop): Implement iWMMXt support.
10702 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
10703 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
10704 gnu_Unwind_Save_WMMXC): Define.
10705
10706 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10707
10708 * config/vxworks.h (vxworks_override_options): Declare.
10709 (VXWORKS_OVERRIDE_OPTIONS): Use it.
10710 * config/vxworks.c: Include target.h and toplev.h.
10711 (vxworks_override_options): New function.
10712 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
10713
10714 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
10715
10716 * config/s390/s390.c (override_options): Don't emit an error when
10717 -mstack-size is used without providing -mstack-guard.
10718 (s390_emit_prologue): Choose stack_guard value automatically if not
10719 provided via command line.
10720 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
10721
10722 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10723
10724 * config/i386/i386.c (output_set_got): Add a GOT initialization
10725 sequence for VxWorks PIC.
10726 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
10727 around labels as well as symbols. Use gotoff_operand instead
10728 of local_symbolic_operand.
10729 (legitimize_pic_address): Use gotoff_operand instead of
10730 local_symbolic_operand. Use @GOT accesses for labels as
10731 well as symbols.
10732 (ix86_output_addr_diff_elt): Use PC-relative rather than
10733 GP-relative offsets for VxWorks PIC.
10734 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
10735 no_new_pseudos. Check whether the returned register is op0.
10736 * config/i386/i386.md (tablejump): Use PC-relative rather than
10737 GP-relative offsets for VxWorks PIC.
10738 * config/i386/predicates.md (gotoff_operand): New predicate.
10739
10740 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10741
10742 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
10743 before defining.
10744 * config/vxworks-dummy.h: New file.
10745 * config/i386/i386.h: Include it.
10746
10747 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
10748
10749 * dwarf2out.c (is_inlined_entry_point): New
10750 (add_high_low_attributes): Emit DW_AT_entry_pc along with
10751 DW_AT_ranges if the first subblock is the entry point.
10752
10753 2007-03-06 David Daney <ddaney@avtrex.com>
10754
10755 * doc/install.texi (mips-*-*): Change recommended binutils
10756 version.
10757
10758 2007-03-06 Anatoly Sokolov <aesok@post.ru>
10759
10760 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
10761 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
10762 devices.
10763 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10764 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10765
10766 2007-03-06 Jan Hubicka <jh@suse.cz>
10767
10768 * errors.h (warning, error, fatal, internal_error): Mark as cold.
10769 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
10770 are hot.
10771 (probably_cold_bb_p): Cold functions are cold.
10772 (probably_never_executed_bb_p): Cold functions are cold.
10773 (tree_bb_level_predictions): Predict calls to cold functions as not
10774 taken.
10775 (compute_function_frequency): Check hot/cold attributes.
10776 * function.h (function_frequency): Update comments.
10777 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
10778 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
10779 (c_common_att): Add cold and hot.
10780
10781 * doc/extend.texi (hot,cold attributes): Document.
10782
10783 2007-03-06 Andrew Haley <aph@redhat.com>
10784
10785 * function.c (expand_function_end): Move blockage to just after we
10786 emit the label for the naked return from the function.
10787
10788 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10789
10790 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
10791 before redefining.
10792
10793 2007-03-06 Jan Hubicka <jh@suse.cz>
10794
10795 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
10796 loaded for constant large models. Non-large 64bit PIC can do.
10797 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
10798 * cmodel.h: Add LARGE PIC.
10799 * i386.md (UNSPEC_PLTOFF): New.
10800 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
10801 needed.
10802 (*call_1_rex64): Disable for large models.
10803 (*call_1_rex64_large): New.
10804 (*call_value_1_rex64): Disable for large models.
10805 (*call_value_1_rex64_large): New.
10806 (set_rip_rex4): New.
10807 (set_got_offset_rex64): New.
10808 * predicates.md (constant_call_address_operand): For large model
10809 constant calls are not possible.
10810 * i386-protos.h (construct_plt_address): Declare.
10811 * i386.c (override_options): Accept large models.
10812 (ix86_expand_prologue): Expand large PIC GOT pointer load.
10813 (legitimate_constant_p): Add new UNSPECs.
10814 (legitimate_pic_operand_p): Likewise.
10815 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
10816 (legitimize_pic_address): Do easy RIP relative way for TLS only for
10817 non-large model.
10818 (output_pic_addr_const): Add PLTOFF.
10819 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
10820 (ix86_expand_move): Legitimize pic address when in PIC mode.
10821 (construct_plt_address): New function.
10822 (ix86_expand_call): Offload the address to register and use GOT pointer
10823 for large model.
10824 * invoke.texi (mcmodel=large): Update documentation.
10825
10826 2007-03-06 Richard Henderson <rth@redhat.com>
10827
10828 * config/i386/i386.c (x86_use_leave, x86_push_memory,
10829 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
10830 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
10831 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
10832 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
10833 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
10834 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
10835 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
10836 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
10837 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10838 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10839 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
10840 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10841 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10842 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
10843 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
10844 x86_schedule, x86_use_bt, x86_pad_returns,
10845 x86_use_xchgb): Merge into ...
10846 (ix86_tune_features): ... here. New array.
10847 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10848 x86_bswap): Merge into ...
10849 (ix86_arch_features): ... here. New array.
10850 (x86_3dnow_a): Remove.
10851 (x86_accumulate_outgoing_args): Make static.
10852 (x86_arch_always_fancy_math_387): Make static.
10853 (ix86_tune_mask, ix86_arch_mask): Move ...
10854 (override_options): ... to local variables here. Apply the
10855 appropriate mask to each element of ix86_arch_features and
10856 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
10857 as were done in the old macros.
10858 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
10859 * config/i386/i386.h (x86_use_leave, x86_push_memory,
10860 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
10861 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
10862 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
10863 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
10864 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
10865 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
10866 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
10867 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
10868 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
10869 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10870 x86_accumulate_outgoing_args, x86_prologue_using_move,
10871 x86_epilogue_using_move, x86_decompose_lea,
10872 x86_arch_always_fancy_math_387, x86_shift1,
10873 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10874 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10875 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
10876 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10877 x86_use_incdec, x86_pad_returns, x86_bswap,
10878 x86_partial_flag_reg_stall): Remove.
10879 (enum ix86_tune_indices): New.
10880 (ix86_tune_features): New.
10881 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
10882 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
10883 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
10884 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
10885 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
10886 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
10887 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
10888 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
10889 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
10890 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
10891 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
10892 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
10893 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
10894 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
10895 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
10896 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
10897 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
10898 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
10899 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
10900 TARGET_EXT_80387_CONSTANTS): Use it.
10901 (enum ix86_arch_indices): New.
10902 (ix86_arch_features): New.
10903 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
10904 TARGET_BSWAP): Use it.
10905 (ix86_tune_mask, ix86_arch_mask): Remove.
10906
10907 2007-03-06 Joseph Myers <joseph@codesourcery.com>
10908
10909 PR bootstrap/31020
10910 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
10911 Define using $${sysroot_headers_suffix}.
10912 * configure: Regenerate.
10913 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
10914 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
10915 defined.
10916 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
10917 * gcc.c (print_sysroot_headers_suffix): New.
10918 (option_map): Include --print-sysroot-headers-suffix.
10919 (display_help): Mention -print-sysroot-headers-suffix.
10920 (process_command): Handle -print-sysroot-headers-suffix.
10921 (do_spec_1): Append multilib directory to include-fixed path if
10922 sysroot suffixes in use.
10923 (main): Handle -print-sysroot-headers-suffix.
10924 * Makefile.in (start.encap): Don't depend on xlimits.h
10925 (xlimits.h): Remove.
10926 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
10927 limits.h for each multilib in fixinc_list.
10928 (fixinc_list, s-fixinc_list): New.
10929 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
10930 generate them for each multilib in fixinc_list.
10931 (stmp-fixproto): Use include-fixed. Run fixproto for each
10932 multilib in fixinc_list.
10933 (mostlyclean): Don't remove xlimits.h.
10934 (clean): Remove include-fixed.
10935 (real-install-headers-tar, real-install-headers-cpio,
10936 real-install-headers-cp): Don't copy include, only include-fixed.
10937 (install-mkheaders): Depend on fixinc_list. Don't depend on
10938 xlimits.h. Save limits.h files for each multilib in fixinc_list.
10939 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
10940 SYSTEM_HEADER_DIR setting in mkheaders.conf.
10941
10942 2007-03-06 Jan Hubicka <jh@suse.cz>
10943
10944 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
10945 NANs easilly.
10946
10947 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10948
10949 * configure.ac: Allow tm_file to contain build-directory files.
10950 * configure: Regenerate.
10951 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
10952 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
10953 * config/m68k/print-sysroot-suffix.sh: New file.
10954
10955 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10956
10957 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
10958 of pic_offset_table_rtx if reload_completed.
10959 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
10960 PIC_OFFSET_TABLE_REGNUM.
10961 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
10962 return true.
10963 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
10964 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
10965
10966 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10967
10968 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10969 functions that call eh_return.
10970
10971 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10972
10973 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10974 functions that need a constant pool.
10975
10976 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10977
10978 PR target/28181
10979 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
10980 (m68k_preferred_reload_class): Likewise.
10981 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
10982 (SECONDARY_RELOAD_CLASS): Define.
10983 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
10984 (LIMIT_RELOAD_CLASS): Delete.
10985 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
10986 registers from storing bytes.
10987 (m68k_secondary_reload_class): New function.
10988 (m68k_preferred_reload_class): Likewise.
10989
10990 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10991
10992 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
10993 leaf functions.
10994 (m68k_expand_prologue): Likewise.
10995
10996 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10997
10998 * config/m68k/m68k-protos.h (output_sibcall): Declare.
10999 (mips_expand_epilogue): Add a bool parameter.
11000 (m68k_legitimize_sibcall_address): Declare.
11001 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
11002 (m68k_expand_epilogue): Add a parameter to select between sibling
11003 and normal epilogues. Only generate a return for the latter.
11004 (m68k_ok_for_sibcall_p): New function.
11005 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
11006 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
11007 (sibcall_value, *sibcall_value): Likewise.
11008 (*call, *call_value): Require !SIBLING_CALL_P.
11009 (epilogue): Update call to m68k_expand_epilogue.
11010 (sibcall_epilogue): New pattern.
11011 * config/m68k/predicates.md (const_call_operand): Say that this
11012 predicate applies to sibling calls too.
11013 (sibcall_operand): New predicate.
11014
11015 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11016
11017 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
11018 alternatives as movsi_cf.
11019 (movsf_cf_hard): Add commentary.
11020
11021 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
11022 Richard Sandiford <richard@codesourcery.com>
11023
11024 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
11025 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
11026 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
11027 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
11028 as being live on exit from an interrupt function.
11029 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
11030 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
11031 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
11032 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
11033 (m68k_interrupt_function_p): Globalize.
11034 (m68k_compute_frame_layout): Remove reverse mask code.
11035 (m68k_emit_movem, m68k_set_frame_related): New functions.
11036 (m68k_output_function_prologue): Delete in favor of...
11037 (m68k_expand_prologue): ...this new function.
11038 (m68k_output_function_epilogue): Delete in favor of...
11039 (m68k_expand_epilogue): ...this new function.
11040 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
11041 functions.
11042 (print_operand): Handle %?.
11043 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
11044 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
11045 (prologue, epilogue): New patterns.
11046 (return): Turn into a define_expand.
11047 (*return): New pattern, derived from old "return" pattern. Use rte
11048 rather than rts for interrupt functions. Only use rtd if the pop
11049 count is nonzero.
11050 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
11051 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
11052 (link, *link, unlink, *unlink, load_got): Likewise.
11053
11054 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11055
11056 PR target/23482
11057 PR target/17114
11058 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
11059 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
11060 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
11061 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
11062 and m68k_matches_u_p.
11063 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
11064 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
11065 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
11066 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
11067 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
11068 (REG_STRICT_P): New macro.
11069 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
11070 PCREL_GENERAL_OPERAND_OK.
11071 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
11072 m68k_legitimate_base_reg_p.
11073 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
11074 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
11075 (PIC_CASE_VECTOR_ADDRESS): Update comment.
11076 * config/m68k/m68k.c (m68k_address): New structure.
11077 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
11078 (m68k_decompose_index, m68k_legitimate_constant_address_p)
11079 (m68k_jump_table_ref_p, m68k_decompose_address)
11080 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
11081 (m68k_matches_u_p): New functions.
11082 (print_operand_address): Rewrite to use m68k_decompose_index.
11083
11084 2007-03-05 David Taylor <dtaylor@emc.com>
11085
11086 * gcc.c: Correct copyright date in --version output.
11087
11088 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11089
11090 * pa.md: In unamed move patterns, disparge copies between general
11091 and floating point registers using '?' modifier. Don't include 'f'
11092 constraint for register preferences in DImode, SImode, HImode and
11093 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
11094 Remove constraints for copies between general and floating registers
11095 in soft-float DFmode pattern.
11096 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
11097 floating register.
11098 (movsf): Likewise.
11099
11100 2007-03-05 Mike Stump <mrs@apple.com>
11101
11102 * c-common.c (targetcm): Add.
11103 * c-opts.c (c_common_handle_option): Handle language specific
11104 target options.
11105 * opts.c (handle_option): Verify language for target options, if
11106 any are given.
11107 * opth-gen.awk: Add CL_LANG_ALL.
11108 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
11109 (TARGETCM_INITIALIZER): Add.
11110 * target.h (struct gcc_targetcm): Add.
11111 (targetcm): Add.
11112 * targhooks.c (default_handle_c_option): Add.
11113 * targhooks.h (default_handle_c_option): Add.
11114 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
11115
11116 * config/darwin.opt (iframework): Add.
11117 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
11118 * config/darwin-c.c (handle_c_option): Add.
11119 (TARGET_HANDLE_C_OPTION): Add.
11120 (targetcm): Add.
11121 * doc/invoke.texi (Darwin Options): Add -iframework.
11122
11123 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11124
11125 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
11126 conversion.
11127
11128 2007-03-05 Ian Lance Taylor <iant@google.com>
11129
11130 * c.opt (fgnu89-inline): New option.
11131 * c-opts.c (c_common_post_options): Set default value for
11132 flag_gnu89_inline.
11133 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
11134 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
11135 inline functions.
11136 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
11137 (grokdeclarator, start_function): Likewise.
11138 * c-cppbuiltin.c (c_cpp_builtins): Define either
11139 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
11140 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
11141 (C Dialect Options): Document -fgnu89-inline.
11142 * doc/extend.texi (Function Attributes): Explain what the
11143 gnu_inline attribute does.
11144 * doc/cpp.texi (Common Predefined Macros): Document
11145 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
11146
11147 2007-03-05 Ian Lance Taylor <iant@google.com>
11148
11149 PR tree-optimization/31034
11150 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
11151 half-range if the other side is an overflow infinity.
11152
11153 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
11154
11155 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
11156 (bfin*-linux-uclibc*): New configuration.
11157 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
11158 defining.
11159 * config/bfin/linux.h: New file.
11160 * config/bfin/libgcc-bfin.ver: New file.
11161 * config/bfin/t-bfin-uclinux: New file.
11162 * config/bfin/t-bfin-linux: New file.
11163 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
11164 (TARGET_OS_CPP_BUILTINS): New macro.
11165
11166 2007-03-05 Richard Guenther <rguenther@suse.de>
11167
11168 * fold-const.c (fold_binary): Remove duplicate folding
11169 of comparison of non-null ADDR_EXPR against null.
11170
11171 2007-03-05 Richard Guenther <rguenther@suse.de>
11172 Dorit Nuzman <dorit@il.ibm.com>
11173
11174 PR tree-optimization/26420
11175 * tree-vectorizer.c (vectorize_loops): Bail out early if there
11176 are no loops in the function. Only print the number of
11177 vectorized loops if it is greater than zero or we are supposed
11178 to print information about unvectorized loops.
11179
11180 2007-03-05 Revital Eres <eres@il.ibm.com>
11181
11182 * gcc.dg/var-expand1.c: New test.
11183 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
11184 when an accumulator is expanded.
11185
11186 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11187
11188 PR other/30465
11189 * c-common.c (convert_and_check): Don't give warnings for
11190 conversion if 'expr' already overflowed.
11191
11192 2007-03-04 Roger Sayle <roger@eyesopen.com>
11193
11194 PR middle-end/30744
11195 * fold-const.c (fold_comparison): Enforce type consistency when
11196 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
11197
11198 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
11199
11200 * tree-ssa-address.c (create_mem_ref): Do not put an expression
11201 containing a cast to the base of TARGET_MEM_REF.
11202
11203 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
11204
11205 * tree.c (tree_contains_struct_check_failed): Remove spurious
11206 whitespace from error message.
11207
11208 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
11209
11210 PR target/30406
11211 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
11212 instead of precision.
11213
11214 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
11215 Nathan Sidwell <nathan@codesourcery.com>
11216
11217 * emit-rtl.c (find_auto_inc): New.
11218 (try_split): recreate REG_INC notes,
11219 Use regular for loops rather than whiles.
11220
11221 2007-03-03 Andreas Schwab <schwab@suse.de>
11222
11223 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
11224 * configure: Regenerate.
11225
11226 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11227
11228 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
11229 flag_rounding_math, not flag_unsafe_math_optimizations.
11230
11231 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
11232 fold_build2.
11233 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
11234 alpha_fold_vector_minmax): Likewise.
11235 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11236 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
11237
11238 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11239
11240 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
11241 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
11242 if the lhs has side-effects.
11243 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
11244
11245 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11246
11247 * config/i386/i386.h (TUNEMASK): Remove define.
11248 (ARCHMASK): Remove define.
11249 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
11250 Use ix86_arch_mask variable instead of ARCHMASK.
11251 * config/i386/i386.c (override_options): Ditto.
11252 (standard_80387_constant_p): Ditto.
11253
11254 2007-03-02 Ian Lance Taylor <iant@google.com>
11255
11256 Used signed infinities in VRP.
11257 * tree-vrp.c (uses_overflow_infinity): New static function.
11258 (supports_overflow_infinity): New static function.
11259 (make_overflow_infinity): New static function.
11260 (negative_overflow_infinity): New static function.
11261 (positive_overflow_infinity): New static function.
11262 (is_negative_overflow_infinity): New static function.
11263 (is_positive_overflow_infinity): New static function.
11264 (is_overflow_infinity): New static function.
11265 (overflow_infinity_range_p): New static function.
11266 (compare_values_warnv): New function split out of compare_values.
11267 (compare_value): Call it.
11268 (set_value_range_to_nonnegative): Add overflow_infinity
11269 parameter. Change caller.
11270 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
11271 Change callers.
11272 (vrp_expr_computes_nonzero): Likewise.
11273 (compare_ranges, compare_range_with_value): Likewise.
11274 (compare_name_with_value, compare_names): Likewise.
11275 (vrp_evaluate_conditional): Likewise.
11276 (set_value_range): Handle infinity
11277 (vrp_operand_equal_p, operand_less_p): Likewise.
11278 (extract_range_from_assert): Likewise.
11279 (vrp_int_const_binop): Likewise.
11280 (extract_range_from_binary_expr): Likewise.
11281 (extract_range_from_unary_expr): Likewise.
11282 (extract_range_from_comparison): Likewise.
11283 (extract_range_from_expr): Likewise.
11284 (dump_value_range): Likewise.
11285 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
11286 (test_for_singularity): Likewise.
11287 (vrp_int_const_binop): Remove inline qualifier.
11288 (adjust_range_with_scev): Add comment.
11289 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11290
11291 2007-03-02 Diego Novillo <dnovillo@redhat.com>
11292
11293 * tree-ssa-structalias.c (could_have_pointers): Tidy.
11294 (get_constraint_for): Likewise.
11295 (do_structure_copy): Likewise.
11296 (find_func_aliases): Fix references to MODIFY_EXPR.
11297 (intra_create_variable_infos): Tidy.
11298 * tree-ssa-operands.c (add_virtual_operand): Add argument
11299 IS_CALL_SITE.
11300 When adding members of alias sets, if IS_CALL_SITE is true and
11301 the symbol is not call-clobbered, skip it.
11302 Adjust all callers.
11303
11304 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11305
11306 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
11307 entry by means of emit_insn_at_entry.
11308
11309 2007-03-02 Richard Henderson <rth@redhat.com>
11310
11311 * expr.h (promoted_input_arg): Remove decl.
11312 * function.c (promoted_input_arg): Merge into ...
11313 * combine.c (setup_incoming_promotions): ... only caller.
11314 Rearrange to avoid double loop.
11315
11316 2007-03-02 Ben Elliston <bje@au.ibm.com>
11317 Peter Bergner <bergner@vnet.ibm.com>
11318 Janis Johnson <janis187@us.ibm.com>
11319
11320 * config/rs6000/dfp.md: New file.
11321 * config/rs6000/rs6000.md: Include dfp.md.
11322 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
11323 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
11324 and TDmode decimal float modes in FP registers.
11325 (num_insns_constant): Likewise.
11326 (rs6000_legitimate_offset_address_p): Likewise.
11327 (rs6000_legitimize_address): Likewise.
11328 (rs6000_legitimize_reload_address): Likewise.
11329 (rs6000_legitimate_address): Likewise.
11330 (rs6000_emit_move): Likewise.
11331 (function_arg_boundary): Likewise.
11332 (function_arg_advance): Likewise.
11333 (rs6000_darwin64_record_arg_recurse): Likewise.
11334 (function_arg): Likewise.
11335 (rs6000_gimplify_va_arg): Likewise.
11336 (rs6000_split_multireg_move): Likewise.
11337 (rs6000_output_function_epilogue): Likewise.
11338 (rs6000_output_function_epilogue): Likewise.
11339 (rs6000_register_move_cost): Likewise.
11340 (rs6000_function_value): Likewise.
11341 (rs6000_libcall_value): Likewise.
11342
11343 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11344
11345 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
11346
11347 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11348
11349 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
11350 Use $MULTIDIR to choose between the kernel and RTP headers,
11351 and use $WIND_BASE and $WIND_USR to locate them.
11352
11353 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11354
11355 * config/i386/i386.c (override_options): Put initialization of
11356 ix86_tune_mask and ix86_arch_mask to the correct place.
11357
11358 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11359 Michael Meissner <michael.meissner@amd.com>
11360
11361 PR target/31019
11362 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
11363 (ARCHMASK): Define.
11364 (TARGET_CMOVE): Use ARCHMASK.
11365 (TARGET_CMPXCHG): Ditto.
11366 (TARGET_CMPXCHG8B): Ditto.
11367 (TARGET_XADD): Ditto.
11368 (TARGET_BSWAP): Ditto.
11369 * config/i386/i386.c (ix86_tune_mask): New global variable.
11370 (ix86_arch_mask): Ditto.
11371 (override_options): Initialize ix86_tune_mask and
11372 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
11373 target_flags.
11374
11375 2007-03-02 Ben Elliston <bje@au.ibm.com>
11376
11377 PR 30992
11378 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
11379
11380 2007-03-02 Joseph Myers <joseph@codesourcery.com>
11381
11382 * target.h (init_dwarf_reg_sizes_extra): New target hook.
11383 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
11384 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
11385 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
11386 hook.
11387 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
11388 rs6000_init_dwarf_reg_sizes_extra): New.
11389 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
11390 SPE register high parts.
11391
11392 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
11393
11394 * Makefile.in: Add install-pdf target as
11395 copied from automake v1.10 rules.
11396 * configure.ac: Add install-pdf to target list.
11397 * configure: Regenerate.
11398
11399 2007-03-01 Paul Brook <paul@codesourcery.com>
11400
11401 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
11402 modes to LDRD for DImode.
11403 (output_move_double): Fixup out of range ldrd/strd.
11404 (vfp_secondary_reload_class): Rename...
11405 (coproc_secondary_reload_class): ... to this. Add wb argument.
11406 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
11407 coproc_secondary_reload_class for CLASS_IWMMXT.
11408 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
11409 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
11410
11411 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
11412
11413 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
11414 factor by the estimated number of iterations.
11415 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
11416 prefetch latency.
11417
11418 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
11419 decode_caches_intel, detect_caches_intel): New functions.
11420 (host_detect_local_cpu): Use detect_caches_amd and
11421 detect_caches_intel.
11422
11423 2007-03-01 Richard Henderson <rth@redhat.com>
11424
11425 * expr.c (emit_move_complex_push): Export.
11426 (emit_move_complex_parts): Split out from ...
11427 (emit_move_complex): ... here.
11428 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
11429 * config/i386/i386.md (movcdi): New.
11430
11431 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
11432
11433 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
11434 size of mode1 to check for tieable modes in MMX case.
11435
11436 2007-03-01 Richard Sandiford <richard@codesourcery.com>
11437
11438 * Makefile.in (rtlanal.o): Depend on tree.h.
11439 * rtl.h (offset_within_section_p, split_const): Declare.
11440 * rtlanal.c: Include tree.h.
11441 (offset_within_block_p): New function, taken from
11442 mips_offset_within_object_p.
11443 (split_const): New function, taken from mips_split_const.
11444 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
11445 Declare.
11446 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
11447 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
11448 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
11449 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11450 (m68k_illegitimate_symbolic_constant_p): New function.
11451 * config/m68k/m68k.md (movsi): Remove misleading predicates.
11452 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
11453 symbolic constant that might be outside the symbol's section,
11454 move the symbol first and then add the offset.
11455 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
11456 Override.
11457 * config/mips/mips.c (mips_split_const): Delete.
11458 (mips_offset_within_object_p): Delete.
11459 (mips_symbolic_constant_p): Use offset_within_section_p and
11460 split_const instead of mips_offset_within_object_p and
11461 mips_split_const.
11462 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
11463 (mips_legitimize_const_move, print_operand_reloc)
11464 (mips_dangerous_for_la25_p): Use split_const instead of
11465 mips_split_const.
11466
11467 2007-02-28 Eric Christopher <echristo@apple.com>
11468
11469 * Makefile.in (install-include-dir): Don't rm -rf include.
11470
11471 2007-02-28 Richard Guenther <rguenther@suse.de>
11472
11473 PR middle-end/30364
11474 * fold-const.c (fold_binary): Do not associate expressions
11475 with more than one variable for integer types that do not wrap.
11476
11477 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
11478
11479 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
11480 Delete, and replace with...
11481 (fold_builtin_call_array): This. Update callers to use it.
11482 * fold-const.c (fold_build_call_list): Delete, and replace with...
11483 (fold_build_call_array): This.
11484 (fold_build_call_list_initializer): Delete, and replace with...
11485 (fold_build_call_array_initializer): This.
11486 * tree.h: Update declarations to reflect above changes.
11487
11488 * c-typeck.c (build_function_call): Store converted arguments
11489 in a stack-allocated array instead of building a list.
11490 (convert_arguments): Store arguments in the array passed in as an
11491 argument, and return the actual number of arguments.
11492 * c-format.c: (check_function_format): Pass arguments in an
11493 array instead of a list.
11494 * c-common.c (check_function_nonnull): Likewise.
11495 (check_function_sentinel): Likewise.
11496 (check_function_arguments): Likewise.
11497 * c-common.h: Update declarations to reflect above changes.
11498
11499 2007-02-28 Jan Hubicka <jh@suse.cz>
11500
11501 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
11502 PRED_NEGATIVE_RETURN): Update outcomes.
11503
11504 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
11505
11506 * calls.c (emit_library_call_value_1): Handle partial registers
11507 correctly when building up CALL_INSN_FUNCTION_USAGE.
11508
11509 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11510
11511 * pa/predicates.md (move_src_operand): Allow zero for mode.
11512 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
11513 move pattern.
11514
11515 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
11516
11517 PR target/30970
11518 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
11519 *movv2df_internal): Enable pattern only for valid operand
11520 combinations.
11521 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
11522 tie only 128bit modes. For MMX registers, tie only 64bit modes.
11523
11524 2007-02-27 Mike Stump <mrs@apple.com>
11525
11526 * config/darwin-crt3.c: Avoid compilation when compiling for a
11527 kext multilib.
11528
11529 2007-02-27 Joseph Myers <joseph@codesourcery.com>
11530
11531 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
11532 FIXED_INCLUDE_DIR.
11533 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
11534 for fixed headers and limits.h.
11535 (install-include-dir, install-headers-tar, install-headers-cpio,
11536 install-headers-cp, real-install-headers-tar,
11537 real-install-headers-cpio, real-install-headers-cp): Handle
11538 include-fixed as well as include.
11539 (install-mkheaders): Don't install files that go only in include
11540 not include-fixed.
11541 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
11542 from GCC_INCLUDE_DIR.
11543 * gcc.c (process_command): Remove special -BstageN/ handling.
11544 (do_spec_1): Add include-fixed directories.
11545
11546 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11547
11548 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
11549 _smulsi3_highpart.
11550 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
11551 New functions.
11552 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
11553 patterns.
11554
11555 2007-02-27 Mark Mitchell <mark@codesourcery.com>
11556
11557 * c-common.c (get_priority): Add check for
11558 SUPPORTS_INIT_PRIORITY.
11559
11560 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11561
11562 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
11563
11564 * config/bfin/bfin.c: Include "cfglayout.h".
11565 (MAX_LSETUP_DISTANCE): New macro.
11566 (struct loop_info): New members incoming, incoming_src and
11567 incoming_dest. Delete member predecessor.
11568 (length_for_loop): New function.
11569 (bfin_optimize_loop): Handle more different loop structures.
11570 (bfin_discover_loop): Rework detection of predecessor blocks by
11571 examining incoming edges.
11572 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
11573 bfin_reorg_loops.
11574 (bfin_reorder_loops): New function.
11575 (bfin_reorg_loops): Use these three new functions.
11576
11577 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
11578 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
11579 (CONSTRAINT_LEN): Add entry for 'q'.
11580 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
11581 Add 'q' constraints.
11582 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
11583 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
11584
11585 * config/bfin/bfin.md (add_with_carry): New pattern.
11586 (s_or_u, su_optab, su_modifier): New code macros/attrs.
11587 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
11588 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
11589 support unsigned multiplies too. Removed incorrect commutativity from
11590 operand 1 constraint where appropriate.
11591 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
11592 patterns.
11593 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
11594 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
11595 New patterns.
11596 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
11597 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
11598 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
11599 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
11600 usmulhisi_hh_huh): New patterns.
11601
11602 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
11603 lshifthi3): Fix output template to use half reg for operand 2.
11604
11605 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
11606 instead of R2.
11607
11608 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
11609
11610 2007-02-27 Andreas Schwab <schwab@suse.de>
11611
11612 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
11613
11614 2007-02-27 Jan Hubicka <jh@suse.cz>
11615
11616 * predict.c (last_basic_block_p): Remove.
11617 (tree_estimate_probability): Update return heuristic for commonized
11618 return blocks.
11619
11620 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11621
11622 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
11623
11624 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11625
11626 * doc/include/gcc-common.texi (versionsubtitle): New macro.
11627 * doc/cpp.texi: Standardize title page.
11628 * doc/cppinternals.texi: Likewise.
11629 * doc/gcc.texi: Standardize title page, remove version number
11630 from copyright page.
11631 * doc/gccint.texi: Likewise.
11632 * doc/install.texi: Standardize title page, add table of
11633 contents.
11634
11635 2007-02-26 Jan Hubicka <jh@suse.cz>
11636
11637 * predict.def: Set outcomes according to more recent results.
11638 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
11639 Remove dead predictors.
11640 * predict.c (return_prediction): Fix pasto.
11641
11642 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11643
11644 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
11645 change; avoid a memory leak when returning early.
11646
11647 2007-02-26 Mark Mitchell <mark@codesourcery.com>
11648
11649 * c-decl.c (static_ctors): Move to c-common.c.
11650 (static_dtors): Likewise.
11651 (finish_function): Use c_record_cdtor_fn.
11652 (build_cdtor): Move to c-common.c.
11653 (c_write_global_declarations): Use c_build_cdtor_fns.
11654 * c-common.h (static_ctors): Declare.
11655 (static_dtors): Likewise.
11656 (c_record_cdtor_fn): Likewise.
11657 (c_build_cdtor_fns): Likewise.
11658 * c-common.c (static_ctors): New variable.
11659 (static_dtors): Likewise.
11660 (c_record_cdtor_fn): New function.
11661 (build_cdtor): Move from c-decl.c
11662 (c_build_cdtor_fns): New function.
11663
11664 * output.h (assemble_addr_to_section): Declare.
11665 (get_cdtor_priority_section): Likewise.
11666 * varasm.c (assemble_addr_to_section): New function.
11667 (get_cdtor_priority_section): Likewise.
11668 (default_named_section_asm_out_destructor): Use them.
11669 (destor_dtor_section_asm_out_destructor): Likewise.
11670 (default_named_section_asm_out_constructor): Likewise.
11671 (default_ctor_section_asm_out_constructor): Likewise.
11672 * config.gcc (*-*-vxworks*): Include vxworks.o.
11673 * config/t-vxworks (vxworks.o): New target.
11674 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
11675 (TARGET_ASM_CONSTRUCTOR): Define.
11676 (TARGET_ASM_DESTRUCTOR): Likewise.
11677 (vxworks_asm_out_constructor): Declare.
11678 (vxworks_asm_out_destructor): Likewise.
11679
11680 * c-common.c (get_priority): Check that we have not just an
11681 INTEGER_CST, but an integer constant with integeral type.
11682
11683 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
11684
11685 PR tree-optimization/30938
11686 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
11687 use &dt[nargs-1] instead of &dt[nargs] in the call to
11688 vect_is_simple_use().
11689
11690 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
11691
11692 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
11693 from register elimination as PRE_MODIFY / POST_MODIFY increments.
11694 Do not attempt to handle MEM inside auto-inc expressions.
11695 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
11696 of a register modified by an auto-inc expression. However, do handle
11697 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
11698 (elimination_effects): Prohibit elimination of a register modified
11699 by an auto-inc expression. Disable register elimination rules whose
11700 target register is modified by an auto-inc expression with variable
11701 increment.
11702
11703 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
11704
11705 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
11706 off-by-one error.
11707 (array_at_struct_end_p): New function.
11708 (idx_infer_loop_bounds): Use it.
11709 (estimate_numbers_of_iterations_loop): Export.
11710 * predict.c (predict_loops): Use estimated_loop_iterations_int.
11711 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
11712 (tree_estimate_probability): Call record_loop_exits.
11713 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
11714 (estimated_loop_iterations, estimated_loop_iterations_int,
11715 estimated_loop_iterations_tree): New functions.
11716 (analyze_siv_subscript_cst_affine,
11717 compute_overlap_steps_for_affine_1_2,
11718 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
11719 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
11720 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
11721 (PRED_LOOP_ITERATIONS_GUESSED): New.
11722 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
11723 * cfgloop.h (estimate_numbers_of_iterations_loop,
11724 estimated_loop_iterations_int): Declare.
11725
11726 2007-02-25 Mark Mitchell <mark@codesourcery.com>
11727
11728 * doc/extend.texi: Document optional priority argument to
11729 constructors and destructors.
11730 * tree.c (init_priority_for_decl): Adjust GTY markers.
11731 (init_ttree): Use priority-info hash functions for
11732 init_priority_for_decl.
11733 (tree_map_eq): Rename to ...
11734 (tree_map_base_eq): ... this.
11735 (tree_map_marked_p): Rename to ...
11736 (tree_map_base_marked_p): ... this.
11737 (tree_map_base_hash): New function.
11738 (decl_init_priority_lookup): Rework.
11739 (decl_fini_priority_lookup): New function.
11740 (decl_priority_info): New function.
11741 (decl_init_priority_insert): Use it.
11742 (decl_fini_priority_insert): Likewise.
11743 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
11744 hierarchy.
11745 (decl_restrict_base_insert): Likewise.
11746 (decl_debug_expr_insert): Likewise.
11747 (decl_value_expr_lookup): Likewise.
11748 (decl_value_expr_insert): Likewise.
11749 * tree.h (priority_type): New type.
11750 (decl_init_priority_lookup): Use priority_type.
11751 (decl_fini_priority_lookup): New function.
11752 (decl_init_priority_insert): Use priority_type.
11753 (decl_fini_priority_insert): New function.
11754 (DECL_HAS_INIT_PRIORITY): Tweak comments.
11755 (DECL_INIT_PRIORITY): Likewise.
11756 (SET_DECL_INIT_PRIORITY): Add comment.
11757 (DECL_FINI_PRIORITY): New macro.
11758 (SET_DECL_FINI_PRIORITY): Likewise.
11759 (DEFAULT_INIT_PRIORITY): Document.
11760 (MAX_INIT_PRIORITY): Likewise.
11761 (MAX_RESERVED_INIT_PRIORITY): Likewise.
11762 (tree_map_base): New type.
11763 (tree_map_base_eq): New function.
11764 (tree_map_base_hash): Likewise.
11765 (tree_map_base_marked_p): Likewise.
11766 (tree_map): Inherit from tree_map_base.
11767 (tree_map_eq): Make it a macro.
11768 (tree_map_marked_p): Likewise.
11769 (tree_int_map): Inherit from tree_map_base.
11770 (tree_int_map_eq): Make it a macro.
11771 (tree_int_map_hash): Likewise.
11772 (tree_int_map_marked_p): Likewise.
11773 (tree_priority_map): New type.
11774 (tree_priority_map_eq): New macro.
11775 (tree_priority_map_hash): Likewise.
11776 (tree_priority_map_marked_p): Likewise.
11777 * varasm.c (emults_decl): Adjust for refactoring of tree_map
11778 hierarchy.
11779 (emutls_common_1): Likewise.
11780 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
11781 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
11782 of tree_map hierarchy.
11783 * tree-cfg.c (move_stmt_r): Likewise.
11784 (new_label_mapper): Likewise.
11785 * c-tree.h (c_expand_body): Move to ...
11786 * c-common.h (c_expand_body): ... here.
11787 * c-decl.c (c_expand_body): Move to ...
11788 * c-common.c (c_expand_body): ... here.
11789 (c_common_attribute_table): Allow 1 argument for the constructor
11790 and destructor attributes.
11791 (get_priority): New function.
11792 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
11793 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
11794
11795 2007-02-24 Jan Hubicka <jh@suse.cz>
11796
11797 PR middle-end/30509
11798 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
11799
11800 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11801 Jan Hubicka <jh@suse.cz>
11802
11803 PR target/30778
11804 * i386.c (counter_mode): New function.
11805 (expand_set_or_movmem_via_loop): Use it.
11806 (expand_movmem_epilogue): Likewise; fix pasto.
11807 (ix86_expand_movmem): Do emit guard even for constant counts.
11808 (ix86_expand_setmem): Likewise.
11809
11810 2007-02-25 Nick Clifton <nickc@redhat.com>
11811
11812 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
11813 (JUMP_TABLES_IN_TEXT_SECTION): Define.
11814
11815 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11816
11817 PR target/30770
11818 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
11819 count argument with 0x10, not with 0x16.
11820 (expand_setmem_epilogue): Ditto.
11821
11822 2007-02-24 Mike Stump <mrs@apple.com>
11823
11824 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
11825 symbols.
11826
11827 2007-02-24 Richard Guenther <rguenther@suse.de>
11828
11829 PR middle-end/30951
11830 * fold-const.c (fold_binary): Fold x +- CST op x for
11831 EQ_EXPR and NE_EXPR.
11832
11833 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11834
11835 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
11836
11837 2007-02-24 Jan Hubicka <jh@suse.cz>
11838
11839 * cgraphunit.c (decide_is_function_needed): Honor
11840 -fkeep-inline-functions.
11841
11842 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11843
11844 * builtins.c (fold_builtin_modf): New.
11845 (fold_builtin_2): Use it.
11846
11847 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
11848
11849 * loop-iv.c (implies_p): Detect additional cases where A implies B.
11850 (determine_max_iter): Take additional LOOP arg; all callers changed.
11851 Lose broken logic dealing with PLUS. Try to limit the upper bound by
11852 one using simplifications.
11853 (simplify_using_initial_values): Return if the expression becomes
11854 invalid due to altered regs.
11855
11856 2007-02-23 DJ Delorie <dj@redhat.com>
11857
11858 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
11859
11860 2007-02-23 Mike Stump <mrs@apple.com>
11861
11862 * tlink.c (scan_linker_output): Parse linker messages from
11863 darwin9's linker better.
11864
11865 2007-02-23 Steve Ellcey <sje@cup.hp.com>
11866
11867 PR debug/29614
11868 * varpool.c (varpool_assemble_pending_decls): Set
11869 varpool_last_needed_node to null.
11870
11871 2007-02-23 DJ Delorie <dj@redhat.com>
11872
11873 * config/i386/i386.c (ix86_data_alignment): Don't specify an
11874 alignment bigger than the object file can handle.
11875
11876 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
11877
11878 PR target/30825
11879 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
11880 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
11881 (*movsf_1): Penalize MMX moves.
11882
11883 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
11884
11885 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
11886 2^32-1 or more times unless flag_unsafe_loop_optimizations.
11887
11888 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
11889
11890 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11891
11892 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
11893 (fold_builtin_1): Use them.
11894 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
11895 BUILT_IN_SIGNIFICAND.
11896
11897 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
11898
11899 * config/i386/i386.c (bdesc_1arg): Initialize
11900 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
11901 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
11902 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
11903 and IX86_BUILTIN_MOVSLDUP.
11904
11905 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
11906
11907 PR rtl-optimization/30841
11908 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
11909
11910 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11911
11912 * builtins.c (fold_builtin_frexp): New.
11913 (fold_builtin_2): Use it.
11914
11915 2007-02-22 Mark Mitchell <mark@codesourcery.com>
11916
11917 * doc/invoke.texi (Spec Files): Document getenv spec function.
11918
11919 * gcc.c (getenv_spec_function): New function.
11920 (static_spec_functions): Add it.
11921 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
11922 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
11923 header files.
11924
11925 2007-02-22 Michael Matz <matz@suse.de
11926
11927 PR c++/29433
11928 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
11929 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
11930
11931 2007-02-22 Ian Lance Taylor <iant@google.com>
11932
11933 PR debug/30898
11934 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
11935 (mem_loc_descriptor): Call it.
11936
11937 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
11938 Ira Rosen <irar@il.ibm.com>
11939
11940 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
11941
11942 2007-02-22 Ira Rosen <irar@il.ibm.com>
11943
11944 PR tree-optimization/30843
11945 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
11946 stores only after all the group is vectorized.
11947
11948 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
11949
11950 PR tree-optimization/30858
11951 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
11952 in the reduction cycle have a single use in the loop.
11953 * tree-vectorizer.h (relevant): Add documentation.
11954
11955 2007-02-20 Mike Stump <mrs@apple.com>
11956
11957 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
11958 * configure: Regenerate.
11959
11960 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
11961
11962 Change the defaults of some parameters and options.
11963 * config/spu/spu-protos.h (spu_optimization_options): Declare.
11964 * config/spu/spu.c (spu_optimization_options): Add.
11965 (spu_override_options): Change params in spu_optimization_options.
11966 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
11967
11968 Register 127 is only 16 byte aligned when used as a frame pointer.
11969 * config/spu/spu-protos.h (spu_init_expanders): Declare.
11970 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
11971 HARD_FRAME_POINTER_REGNUM.
11972 (spu_legitimate_address): Use regno_aligned_for_reload.
11973 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
11974 aligned when frame_pointer_needed is true.
11975 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
11976 to 8 bits.
11977 * config/spu/spu.h (INIT_EXPANDERS): Define.
11978
11979 Make sure shift and rotate instructions have valid immediate operands.
11980 * config/spu/predicates.md (spu_shift_operand): Remove.
11981 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
11982 * config/spu/constraints.md (W, O): Extend range.
11983 * config/spu/spu.md (umask, nmask): Define.
11984 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
11985 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
11986 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
11987 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
11988 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
11989 (lshr<mode>3_reg): Fix rtl description.
11990
11991 Make sure mulhisi immediate operands are valid.
11992 * config/spu/predicates.md (imm_K_operand): Add.
11993 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
11994
11995 Generate constants using fsmbi and andi.
11996 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
11997 (print_operand, spu_split_immediate, classify_immediate,
11998 fsmbi_const_p): Handle IC_FSMBI2.
11999
12000 Correctly handle a CONST_VECTOR containing symbols.
12001 * config/spu/spu.c (print_operand): Handle HIGH correctly.
12002 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
12003 (immediate_load_p): Allow symbols that use 2 instructions to create.
12004 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
12005 with symbols when flag_pic is set.
12006 (const_vector_immediate_p): New.
12007 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
12008 accept a CONST_VECTOR with symbols.
12009 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
12010 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
12011 correctly.
12012 * config/spu/spu.md (high, low): Delete.
12013 (low_<mode>): Define.
12014
12015 Remove INTRmode and INTR_REGNUM, which didn't work.
12016 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
12017 of INTR_REGNUM.
12018 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
12019 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
12020 peephole2 pattern): Don't use INTR or 131.
12021 (movintrcc): Delete.
12022 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
12023 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
12024 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
12025 (UNSPEC_SET_INTR): Add.
12026 * config/spu/spu-modes.def (INTR): Remove.
12027
12028 More accurate warnings about run-time relocations.
12029 * config/spu/spu.c (reloc_diagnostic): Test in_section.
12030
12031 Correctly warn about immediate arguments to specific intrinsics.
12032 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
12033 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
12034 the instruction predicate.
12035
12036 Fix tree check errors with latest update.
12037 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
12038 CALL_EXPR_ARG.
12039 (spu_expand_builtin): Use CALL_EXPR_FN.
12040
12041 Add missing specific intrinsics.
12042 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
12043 si_bislede.
12044 * config/spu/spu_internals.h: Ditto.
12045
12046 Fix incorrect operand modifiers.
12047 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
12048 * config/spu/spu.md (xor<mode>3): Change %S to %J.
12049
12050 Optimize one case of zero_extend of a vec_select.
12051 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
12052
12053 Accept any immediate for hbr.
12054 * config/spu/spu.md (hbr): Change s constraints to i.
12055
12056 2007-02-21 Paul Brook <paul@codesourcery.com>
12057
12058 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
12059 condexec_count when skipping USE and CLOBBER.
12060
12061 2007-02-21 Nick Clifton <nickc@redhat.com>
12062
12063 * common.opt (Warray-bounds): Add Warning attribute.
12064 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
12065 Likewise.
12066 (fsized-zeroes): Add Optimization attribute.
12067 (fsplit-wide-types, ftree-scev-cprop): Likewise.
12068 * c.opt (Wc++0x-compat): Add Warning attribute.
12069
12070 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
12071
12072 PR middle-end/30761
12073 * reload1.c (eliminate_regs_in_insn): In the single_set special
12074 case, attempt to re-recognize the insn before falling back to
12075 having reload fix it up.
12076
12077 2007-02-20 Eric Christopher <echristo@gmail.com>
12078
12079 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
12080 Rewrite accordingly.
12081 (frv_read_iacc_argument): Ditto.
12082 (frv_expand_set_builtin): Take a call instead of arglist, update for
12083 above changes.
12084 (frv_expand_unop_builtin): Ditto.
12085 (frv_expand_binop_builtin): Ditto.
12086 (frv_expand_cut_builtin): Ditto.
12087 (frv_expand_binopimm_builtin): Ditto.
12088 (frv_expand_voidbinop_builtin): Ditto.
12089 (frv_expand_int_void2arg): Ditto.
12090 (frv_expand_prefetches): Ditto.
12091 (frv_expand_voidtriop_builtin): Ditto.
12092 (frv_expand_voidaccop_builtin): Ditto.
12093 (frv_expand_load_builtin): Ditto.
12094 (frv_expand_store_builtin): Ditto.
12095 (frv_expand_mdpackh_builtin): Ditto.
12096 (frv_expand_mclracc_builtin): Ditto.
12097 (frv_expand_mrdacc_builtin): Ditto.
12098 (frv_expand_mwtacc_builtin): Ditto.
12099 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
12100 calls for above.
12101
12102 2007-02-20 Janis Johnson <janis187@us.ibm.com>
12103
12104 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
12105 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
12106 cmpb instruction.
12107 (HAVE_GAS_DFP): Check for assembler support of decimal floating
12108 point instructions.
12109 * configure: Regenerate.
12110 * config.in: Regenerate.
12111 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
12112 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
12113 masks to power6 and power6x and to POWERPC_MASKS.
12114 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12115 _ARCH_PWR6.
12116 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
12117 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
12118 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
12119 Access PROTOTYPE as variable, not mask.
12120
12121 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12122
12123 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
12124 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
12125 * combine.c (adjust_for_new_dest): Use it.
12126 * postreload.c (reload_combine): Likewise.
12127
12128 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12129
12130 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
12131 notes on an insn with multiple sets, even if single_set returns
12132 non-NULL for that insn.
12133
12134 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12135
12136 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
12137 scalbn and scalbln.
12138
12139 2007-02-20 Geoffrey Keating <geoffk@apple.com>
12140
12141 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
12142 if user didn't pass it.
12143 * config/i386/darwin.h (CC1_SPEC): Likewise.
12144 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
12145 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
12146 -mmacosx-version-min.
12147
12148 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12149 Uros Bizjak <ubizjak@gmail.com>
12150
12151 * optabs.h (enum optab_index): Add new OTI_scalb.
12152 (scalb_optab): Define corresponding macro.
12153 * optabs.c (init_optabs): Initialize scalb_optab.
12154 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
12155 patterns.
12156 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
12157 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
12158 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12159 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
12160 flag_unsafe_math_optimizations is set.
12161
12162 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
12163 to implement scalbf, scalb and scalbl built-ins as inline x87
12164 intrinsics.
12165
12166 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12167 DJ Delorie <dj@redhat.com>
12168
12169 PR other/30824
12170 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
12171 (diagnostic_report_diagnostic): ... here, and turn them into real
12172 errors. If warnings are inhibited, no need to do anything.
12173
12174 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
12175
12176 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
12177 better code generation.
12178
12179 2007-02-20 Ben Elliston <bje@au.ibm.com>
12180
12181 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
12182
12183 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
12184
12185 * config/alpha/alpha.c, config/alpha/alpha.md,
12186 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
12187 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
12188 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
12189 config/arm/lib1funcs.asm: Follow spelling conventions.
12190
12191 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
12192 config/fr30/fr30.md, config/i386/i386.h,
12193 config/iq2000/iq2000.h, config/iq2000/predicates.md,
12194 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
12195 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
12196 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
12197 config/rs6000/altivec.md, config/rs6000/rs6000.c,
12198 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
12199 config/sparc/sparc.c, config/sparc/sparc.h,
12200 config/sparc/sparc.md, config/spu/constraints.md,
12201 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
12202 conventions.
12203
12204 2007-02-20 Alan Modra <amodra@bigpond.net.au>
12205
12206 PR target/29943
12207 * varasm.c (use_blocks_for_decl_p): Return false for decls with
12208 alias attribute.
12209
12210 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12211
12212 * doc/invoke.texi (-ftree-lrs): Remove.
12213
12214 2007-02-19 Diego Novillo <dnovillo@redhat.com>
12215
12216 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
12217 NULL.
12218
12219 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
12220
12221 * config/ia64/ia64.c (ia64_expand_builtin): Use the
12222 new CALL_EXPR_FN macro for retrieving the function
12223 declaration of the input expression.
12224
12225 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12226
12227 * c.opt (Waddress): New.
12228 * common.opt (Walways-true): Delete.
12229 (Wstring-literal-comparison): Delete.
12230 * doc/invoke.texi (Warning Options): Delete -Walways-true and
12231 -Wstring-literal-comparison. Add -Waddress.
12232 (Waddress): New.
12233 (Walways-true): Delete.
12234 (Wstring-literal-comparison): Delete.
12235 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12236 consistently instead of -Walways-true in example.
12237 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
12238 * c-typeck.c (parser_build_binary_op): Replace
12239 -Wstring-literal-comparison and -Walways-true with -Waddress.
12240 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
12241 with -Waddress.
12242
12243 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12244
12245 * tree-cfg.c (dump_function_to_file): Be prepared for functions
12246 without DECL_STRUCT_FUNCTION initialized.
12247
12248 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12249
12250 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
12251 due to calls to functions taking pointers as parameters.
12252
12253 2007-02-19 Richard Henderson <rth@redhat.com>
12254
12255 PR debug/29558
12256 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
12257 in memory.
12258
12259 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
12260
12261 * config/s390/s390.c (s390_call_saved_register_used,
12262 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
12263 accessed to the new scheme.
12264
12265 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12266
12267 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
12268 (cris_print_index, cris_print_operand, cris_print_operand_address)
12269 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
12270 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
12271 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
12272 GET_CODE () == xxx.
12273 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
12274 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
12275 GO_IF_LEGITIMATE_ADDRESS): Ditto.
12276 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
12277 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
12278 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
12279 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
12280 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
12281 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
12282 (uminsi3, call, call_value): Ditto.
12283 (define_split: indir_to_reg_split, unnamed): Ditto.
12284
12285 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
12286
12287 PR tree-optimization/30975
12288 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
12289 wrong assert.
12290
12291 2007-02-18 Eric Christopher <echristo@gmail.com>
12292
12293 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
12294 Remove use of arglist.
12295 (mips_expand_builtin): Remove use of arglist, pass in expr.
12296 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
12297 (mips_expand_builtin_movtf): Ditto.
12298 (mips_expand_builtin_compare): Ditto.
12299
12300 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12301
12302 * tree-sra.c (sra_build_assignment): Replace assertion
12303 checking with a comment explaining why it can't be done.
12304
12305 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12306
12307 PR middle-end/30833
12308 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
12309 during CALL_EXPR representation conversion.
12310 * tree-ssa-propagate.c (set_rhs): Likewise.
12311
12312 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12313
12314 * tree-sra.c (sra_build_assignment): Disable assertion checking
12315 for now.
12316
12317 2007-02-18 Roger Sayle <roger@eyesopen.com>
12318
12319 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
12320 instead of calling build2 with a GIMPLE_MODIFY_STMT.
12321 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
12322 Likewise.
12323 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
12324 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
12325 gimplify_init_ctor_eval_range, gimple_push_cleanup,
12326 gimplify_omp_for, gimplify_omp_atomic_pipeline,
12327 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
12328 force_gimple_operand): Likewise.
12329 * ipa-cp.c (constant_val_insert): Likewise.
12330 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12331 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
12332 perfect_nestify): Likewise.
12333 * langhooks.c (lhd_omp_assignment): Likewise.
12334 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
12335 lower_copyprivate_clauses, lower_send_clauses,
12336 lower_send_shared_vars, expand_parallel_call,
12337 expand_omp_for_generic, expand_omp_for_static_nochunk,
12338 expand_omp_for_static_chunk, expand_omp_sections,
12339 lower_omp_single_copy, lower_omp_for_lastprivate,
12340 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
12341 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
12342 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
12343 Likewise.
12344
12345 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12346
12347 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
12348 config/sh/sh.md: Follow spelling conventions.
12349
12350 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
12351 config/frv/predicates.md: Follow spelling conventions.
12352
12353 * config/m68k/linux-unwind.h: Fix a comment typo.
12354 * target.h: Follow spelling conventions.
12355
12356 2007-02-18 Roger Sayle <roger@eyesopen.com>
12357
12358 PR rtl-optimization/28173
12359 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
12360 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
12361 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
12362 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
12363 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
12364
12365 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12366
12367 * builtins.c (fold_builtin_load_exponent): New.
12368 (fold_builtin_2): Use it.
12369
12370 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
12371
12372 PR rtl-optimization/30773
12373 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
12374 if we fail to attach a REG_EQUIV note.
12375
12376 2007-02-18 David Edelsohn <edelsohn@gnu.org>
12377 Roger Sayle <roger@eyesopen.com>
12378
12379 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
12380
12381 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12382
12383 * calls.c (initialize_argument_information): Pass original EXP
12384 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
12385 code to split complex arguments here, as part of initializing the
12386 ARGS array.
12387 (expand_call): Remove code that builds a list of arguments and
12388 inserts implicit arguments into it. Instead, just count how many
12389 implicit arguments there will be so we can determine the size of
12390 the ARGS array, and let initialize_argument_information do the work.
12391 (split_complex_values): Delete unused function.
12392
12393 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12394
12395 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
12396
12397 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12398
12399 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
12400 for arg pointer based indexed addressing.
12401
12402 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12403
12404 * config/ia64/ia64.h, config/ia64/ia64.md,
12405 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
12406 spelling conventions.
12407
12408 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12409
12410 * config/m68k/m68k.c (split_di): New.
12411 * config/m68k/m68k-protos.h: Declare split_di.
12412 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
12413 Improve predicate handling and split constant shifts.
12414
12415 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12416
12417 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
12418 parameter for register bitfield operations, general predicates
12419 cleanup
12420
12421 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12422
12423 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
12424 * config/m68k/linux-unwind.h: New file.
12425
12426 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12427
12428 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
12429 config/i386/athlon.md, config/ia64/ia64.md,
12430 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
12431 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
12432 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
12433 tree-ssa-loop-niter.c, tree-vect-analyze.c,
12434 tree-vect-transform.c: Fix comment typos.
12435
12436 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
12437
12438 * sched-deps.c (find_insn_list): Remove.
12439 * sched-int.h: Remove the prototype for find_insn_list.
12440
12441 2007-02-16 Geoffrey Keating <geoffk@apple.com>
12442
12443 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
12444 to linker.
12445 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
12446 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
12447 darwin_rs6000_override_options.
12448 (C_COMMON_OVERRIDE_OPTIONS): Expect
12449 darwin_macosx_version_min to be non-NULL always.
12450 (TARGET_C99_FUNCTIONS): Likewise.
12451 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
12452 (DARWIN_MINVERSION_SPEC): New.
12453 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
12454 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
12455 to cc1*.
12456 (DARWIN_MINVERSION_SPEC): New.
12457 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
12458 value.
12459 * config/darwin-c.c (darwin_cpp_builtins): Expect
12460 darwin_macosx_version_min to be non-NULL always.
12461
12462 * config/rs6000/rs6000.c: Clean up trailing whitespace.
12463
12464 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
12465
12466 * config/i386/i386.h (x86_use_xchgb): New.
12467 (TARGET_USE_XCHGB): New macro.
12468 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
12469 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
12470 Split after reload into bswaphi for shifts of 8.
12471 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
12472 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
12473 or when optimizing for size.
12474
12475 2007-02-16 Richard Guenther <rguenther@suse.de>
12476 Christian Bruel <christian.bruel@st.com>
12477
12478 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
12479 DECLs but prefer SSA_NAMEs over DECLs.
12480
12481 2007-02-16 Richard Guenther <rguenther@suse.de>
12482
12483 * tree-flow-inline.h (single_imm_use_p): Remove.
12484 (zero_imm_uses_p): Likewise.
12485 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
12486 instead of single_imm_use_p.
12487 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
12488 zero_imm_uses_p.
12489
12490 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12491
12492 PR other/27843
12493 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
12494 nested double- and backquotes.
12495
12496 2007-02-15 Roger Sayle <roger@eyesopen.com>
12497
12498 PR middle-end/30391
12499 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
12500 should be unreachable.
12501 (build2_stat): Allow construction of MODIFY_EXPR at any time.
12502 For the time being redirect GIMPLE_MODIFY_STMT to the new
12503 (renamed) build_gimple_modify_stmt_stat.
12504 (build2_gimple_stat): Rename to...
12505 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
12506 Always build a GIMPLE_MODIFY_STMT node.
12507 * tree.h (build2_gimple, build2_gimple_stat): Delete.
12508 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
12509 declarations.
12510
12511 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
12512 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
12513 * tree-complex.c (set_component_ssa_name, expand_complex_move,
12514 expand_complex_div_wide): Likewise.
12515 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
12516 * tree-ssa-loop-im.c (schedule_sm): Likewise.
12517 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
12518 * tree-ssa-loop-manip.c (create_iv): Likewise.
12519 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
12520 abs_replacement): Likewise.
12521 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
12522 realify_fake_stores): Likewise.
12523
12524 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
12525 node rather than a GIMPLE_MODIFY_STMT node.
12526 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
12527 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
12528 Likewise.
12529 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
12530 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
12531 GIMPLE_MODIFY_STMT.
12532
12533 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12534
12535 PR middle-end/30433
12536 * fold-const.c (fold_comparison): Add back the
12537 folding of constant complex comparisions.
12538
12539 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12540
12541 PR middle-end/30729
12542 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
12543 effects unknown to this function, return early.
12544
12545 2007-02-15 Ian Lance Taylor <iant@google.com>
12546
12547 * lower-subreg.c (move_eh_region_note): New static function.
12548 (resolve_simple_move): Call it.
12549 (decompose_multiword_subregs): Track blocks for which we resolve a
12550 simple move which is also a control flow insn. Pass them to
12551 find_many_sub_basic_blocks.
12552 (pass_lower_subreg): Add TODO_verify_flow.
12553 (pass_lower_subreg2): Likewise.
12554
12555 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12556 Brooks Moses <brooks.moses@codesourcery.com>
12557 Lee Millward <lee.millward@codesourcery.com>
12558
12559 * tree.h (enum tree_code_class): Add tcc_vl_exp.
12560 (VL_EXP_CLASS_P): New.
12561 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
12562 TREE_CODE_LENGTH.
12563 (TREE_OPERAND_CHECK_CODE): Likewise.
12564 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
12565 (TREE_RTL_OPERAND_CHECK): Likewise.
12566 (tree_operand_check_failed): Make second parameter the whole tree
12567 instead of its code. Fixed callers.
12568 (VL_EXP_CHECK): New.
12569 (TREE_OPERAND_LENGTH): New.
12570 (VL_EXP_OPERAND_LENGTH): New.
12571 (CALL_EXPR_FN): New.
12572 (CALL_EXPR_STATIC_CHAIN): New.
12573 (CALL_EXPR_ARGS): New.
12574 (CALL_EXPR_ARG): New.
12575 (call_expr_nargs): New.
12576 (CALL_EXPR_ARGP): New.
12577 (build_nt_call_list): Declare.
12578 (build_vl_exp_stat): Declare.
12579 (build_vl_exp): New.
12580 (build_call_list): Declare.
12581 (build_call_nary): Declare.
12582 (build_call_valist): Declare.
12583 (build_call_array): Declare.
12584 (call_expr_arg): Declare.
12585 (call_expr_argp): Declare.
12586 (call_expr_arglist): Declare.
12587 (fold_build_call_list): Declare.
12588 (fold_build_call_list_initializer): Declare.
12589 (fold_call_expr): Declare to replace fold_builtin.
12590 (fold_builtin_fputs): Update to agree with modified definition.
12591 (fold_builtin_strcpy): Likewise.
12592 (fold_builtin_strncpy): Likewise.
12593 (fold_builtin_memory_chk): Likewise.
12594 (fold_builtin_stxcpy_chk): Likewise.
12595 (fold_builtin_strncpy_chk): Likewise.
12596 (fold_builtin_next_arg): Likewise.
12597 (fold_build_call_expr): Declare.
12598 (fold_builtin_call_list): Declare.
12599 (fold_builtin_call_valist): Declare.
12600 (build_call_expr): Declare.
12601 (validate_arglist): Update to agree with modified definition.
12602 (tree_operand_length): New.
12603 (call_expr_arg_iterator): New.
12604 (init_call_expr_arg_iterator): New.
12605 (next_call_expr_arg): New.
12606 (first_call_expr_arg): New.
12607 (more_call_expr_args_p): New.
12608 (FOR_EACH_CALL_EXPR_ARG): New.
12609
12610 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
12611 and tcc_gimple_stmt.
12612 (tree_code_size): Update documentation. Use sizeof (tree) rather
12613 than sizeof (char *).
12614 (tree_size): Likewise. Add case for tcc_vl_exp.
12615 (tree_node_structure): Add case for tcc_vl_exp.
12616 (contains_placeholder_p): Likewise.
12617 (substitute_in_expr): Likewise.
12618 (substitute_placeholder_in_expr): Likewise.
12619 (stabilize_reference_1): Likewise.
12620 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
12621 to diagnose breakage of this interface for constructing CALL_EXPRs.
12622 (build_nt): Add similar assertion here.
12623 (build_nt_call_list): New.
12624 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
12625 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
12626 TREE_CODE_LENGTH.
12627 (get_callee_fndecl): Use new CALL_EXPR accessors.
12628 (tree_operand_check_failed): Change parameters to pass entire node
12629 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
12630 (process_call_operands): New.
12631 (build_vl_exp_stat): New.
12632 (build_call_list): New.
12633 (build_call_nary): New.
12634 (build_call_valist): New.
12635 (build_call_array): New.
12636 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12637 (call_expr_arglist): New.
12638
12639 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
12640 tcc_vl_exp instead of a fixed-size tcc_expression.
12641
12642 * doc/c-tree.texi (CALL_EXPR): Document new representation and
12643 accessors for CALL_EXPRs.
12644 (AGGR_INIT_EXPR): Likewise.
12645
12646 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12647 Brooks Moses <brooks.moses@codesourcery.com>
12648 Lee Millward <lee.millward@codesourcery.com>
12649
12650 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
12651 (expand_builtin_nonlocal_goto): Change parameter to be entire
12652 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
12653 (expand_builtin_prefetch): Likewise.
12654 (expand_builtin_classify_type): Likewise.
12655 (mathfn_built_in): Return NULL_TREE instead of 0.
12656 (expand_errno_check): Use new CALL_EXPR accessors.
12657 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
12658 Return NULL_RTX instead of 0.
12659 (expand_builtin_mathfn_2): Likewise.
12660 (expand_builtin_mathfn_3): Likewise.
12661 (expand_builtin_interclass_mathfn): Likewise.
12662 (expand_builtin_sincos): Likewise.
12663 (expand_builtin_cexpi): Likewise.
12664 (expand_builtin_int_roundingfn): Likewise.
12665 (expand_builtin_int_roundingfn_2): Likewise.
12666 (expand_builtin_pow): Likewise.
12667 (expand_builtin_powi): Likewise.
12668 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
12669 of arglist, fixing callers appropriately. Use new CALL_EXPR
12670 accessors and constructors. Return NULL_RTX instead of 0.
12671 (expand_builtin_strstr): Likewise.
12672 (expand_builtin_strchr): Likewise.
12673 (expand_builtin_strrchr): Likewise.
12674 (expand_builtin_strpbrk): Likewise.
12675 (expand_builtin_memcpy): Likewise.
12676 (expand_builtin_mempcpy): Likewise.
12677 (expand_builtin_mempcpy_args): New.
12678 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
12679 (expand_builtin_memmove_args): New.
12680 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
12681 (expand_movstr): Likewise.
12682 (expand_builtin_strcpy): Likewise.
12683 (expand_builtin_strcpy_args): New.
12684 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
12685 (expand_builtin_strncpy): Likewise.
12686 (expand_builtin_memset): Likewise.
12687 (expand_builtin_memset_args): New.
12688 (expand_builtin_bzero): Similarly to expand_builtin_memset.
12689 (expand_builtin_memcmp): Likewise.
12690 (expand_builtin_strcmp): Likewise.
12691 (expand_builtin_strncmp): Likewise.
12692 (expand_builtin_strcat): Likewise.
12693 (expand_builtin_strncat): Likewise.
12694 (expand_builtin_strspn): Likewise.
12695 (expand_builtin_strcspn): Likewise.
12696 (expand_builtin_args_info): Likewise.
12697 (expand_builtin_va_start): Likewise.
12698 (gimplify_va_arg_expr): Likewise.
12699 (expand_builtin_va_end): Likewise.
12700 (expand_builtin_va_copy): Likewise.
12701 (expand_builtin_frame_address): Likewise.
12702 (expand_builtin_alloca): Likewise.
12703 (expand_builtin_bswap): Likewise.
12704 (expand_builtin_unop): Likewise.
12705 (expand_builtin_fputs): Likewise.
12706 (expand_builtin_expect): Likewise.
12707 (expand_builtin_fabs): Likewise.
12708 (expand_builtin_copysign): Likewise.
12709 (expand_builtin_printf): Likewise.
12710 (expand_builtin_fprintf): Likewise.
12711 (expand_builtin_sprintf): Likewise.
12712 (expand_builtin_init_trampoline): Likewise.
12713 (expand_builtin_signbit): Likewise.
12714 (expand_builtin_fork_or_exec): Likewise.
12715 (expand_builtin_sync_operation): Likewise.
12716 (expand_builtin_compare_and_swap): Likewise.
12717 (expand_builtin_lock_test_and_set): Likewise.
12718 (expand_builtin_lock_release): Likewise.
12719 (expand_builtin): Likewise.
12720 (builtin_mathfn_code): Likewise.
12721
12722 (fold_builtin_constant_p): Pass call arguments individually instead
12723 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12724 accessors and constructors. Return NULL_TREE instead of 0.
12725 (fold_builtin_expect): Likewise.
12726 (fold_builtin_classify_type): Likewise.
12727 (fold_builtin_strlen): Likewise.
12728 (fold_builtin_nan): Likewise.
12729 (integer_valued_real_p): Likewise.
12730 (fold_trunc_transparent_mathfn): Likewise.
12731 (fold_fixed_mathfn): Likewise.
12732 (fold_builtin_cabs): Likewise.
12733 (fold_builtin_sqrt): Likewise.
12734 (fold_builtin_cbrt): Likewise.
12735 (fold_builtin_cos): Likewise.
12736 (fold_builtin_cosh): Likewise.
12737 (fold_builtin_tan): Likewise.
12738 (fold_builtin_sincos): Likewise.
12739 (fold_builtin_cexp): Likewise.
12740 (fold_builtin_trunc): Likewise.
12741 (fold_builtin_floor): Likewise.
12742 (fold_builtin_ceil): Likewise.
12743 (fold_builtin_round): Likewise.
12744 (fold_builtin_int_roundingfn): Likewise.
12745 (fold_builtin_bitop): Likewise.
12746 (fold_builtin_bswap): Likewise.
12747 (fold_builtin_logarithm): Likewise.
12748 (fold_builtin_hypot): Likewise.
12749 (fold_builtin_pow): Likewise.
12750 (fold_builtin_powi): Likewise.
12751 (fold_builtin_exponent): Likewise.
12752 (fold_builtin_memset): Likewise.
12753 (fold_builtin_bzero): Likewise.
12754 (fold_builtin_memory_op): Likewise.
12755 (fold_builtin_bcopy): Deleted; call site changed to invoke
12756 fold_builtin_memory_op directly.
12757 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
12758 (fold_builtin_strncpy): Likewise.
12759 (fold_builtin_memcmp): Likewise.
12760 (fold_builtin_strcmp): Likewise.
12761 (fold_builtin_strncmp): Likewise.
12762 (fold_builtin_signbit): Likewise.
12763 (fold_builtin_copysign): Likewise.
12764 (fold_builtin_isascii): Likewise.
12765 (fold_builtin_toascii): Likewise.
12766 (fold_builtin_isdigit): Likewise.
12767 (fold_builtin_fabs): Likewise.
12768 (fold_builtin_abs): Likewise.
12769 (fold_builtin_fmin_fmax): Likewise.
12770 (fold_builtin_carg): Likewise.
12771 (fold_builtin_classify): Likewise.
12772 (fold_builtin_unordered_cmp): Likewise.
12773
12774 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
12775 New functions split out from fold_builtin_1.
12776 (fold_builtin_n): New.
12777 (fold_builtin_varargs): New.
12778 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
12779 instead.
12780 (fold_call_expr): New.
12781 (build_function_call_expr): Rewrite to use new helper function.
12782 (fold_builtin_call_list): New.
12783 (build_call_expr): New.
12784 (fold_builtin_call_valist): New.
12785 (rewrite_call_expr): New.
12786 (validate_arg): New.
12787 (validate_arglist): Change parameter to be entire CALL_EXPR instead
12788 of an arglist. Change return type to bool. Use new CALL_EXPR
12789 accessors.
12790
12791 (fold_builtin_strstr): Pass call arguments individually instead
12792 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12793 accessors and constructors. Return NULL_TREE instead of 0.
12794 (fold_builtin_strchr): Likewise.
12795 (fold_builtin_strrchr): Likewise.
12796 (fold_builtin_strpbrk): Likewise.
12797 (fold_builtin_strcat): Likewise.
12798 (fold_builtin_strncat): Likewise.
12799 (fold_builtin_strspn): Likewise.
12800 (fold_builtin_strcspn): Likewise.
12801 (fold_builtin_fputs): Likewise.
12802 (fold_builtin_next_arg): Likewise.
12803 (fold_builtin_sprintf): Likewise.
12804
12805 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
12806 NULL_RTX instead of 0.
12807 (expand_builtin_memory_chk): Likewise.
12808 (maybe_emit_chk_warning): Likewise.
12809 (maybe_emit_sprintf_chk_warning): Likewise.
12810
12811 (fold_builtin_object_size): Pass call arguments individually instead
12812 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12813 accessors and constructors. Return NULL_TREE instead of 0.
12814 (fold_builtin_memory_chk): Likewise.
12815 (fold_builtin_stxcpy_chk): Likewise.
12816 (fold_builtin_strncpy_chk): Likewise.
12817 (fold_builtin_strcat_chk): Likewise.
12818 (fold_builtin_strcat_chk): Likewise.
12819 (fold_builtin_strncat_chk): Likewise.
12820 (fold_builtin_sprintf_chk): Likewise.
12821 (fold_builtin_snprintf_chk): Likewise.
12822 (fold_builtin_printf): Likewise.
12823 (fold_builtin_vprintf): Likewise.
12824
12825 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
12826 constructors.
12827 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
12828 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12829 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
12830 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
12831 (fold_unary): Likewise.
12832 (fold_binary): Likewise.
12833 (fold_ternary): Remove CALL_EXPR case, since they are no longer
12834 ternary expressions.
12835 (fold): Add logic for tcc_vl_exp.
12836 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
12837 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12838 (fold_build3_stat): Add assertion to flag broken interface for
12839 constructing CALL_EXPRs.
12840 (fold_build_call_list): New.
12841 (fold_build_call_list_initializer): New.
12842 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
12843 constructors.
12844 (fold_strip_sign_ops): Likewise.
12845
12846 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12847 Brooks Moses <brooks.moses@codesourcery.com>
12848 Lee Millward <lee.millward@codesourcery.com>
12849
12850 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
12851 accessors and dump arguments explicitly.
12852
12853 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
12854 TREE_CODE_LENGTH.
12855 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
12856 explicitly.
12857 (print_call_name): Use new CALL_EXPR accessors.
12858
12859 * print-tree.c (print_node): Add case tcc_vl_exp. Print
12860 CALL_EXPR arguments explicitly instead of as a list. Use
12861 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12862
12863 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
12864 (vrp_visit_stmt): Likewise.
12865
12866 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
12867 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
12868 TREE_CODE_LENGTH.
12869 (force_move_till_expr): Likewise.
12870
12871 * targhooks.c (default_external_stack_protect_fail): Use
12872 build_call_expr instead of build_function_call_expr.
12873 (default_hidden_stack_protect_fail): Likewise.
12874
12875 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
12876 build the call.
12877
12878 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
12879 and walk arguments explicitly.
12880
12881 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
12882 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12883 (expand_simple_operations): Likewise.
12884 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
12885
12886 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
12887 of TREE_CODE_LENGTH.
12888 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
12889
12890 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
12891 instead of TREE_CODE_LENGTH.
12892
12893 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
12894 (tree_ic_transform): Likewise.
12895 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
12896 parameter instead of arglist. Fix callers.
12897 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
12898 (tree_stringops_transform): Likewise.
12899 (tree_indirect_call_to_profile): Likewise.
12900 (tree_stringops_values_to_profile): Likewise.
12901
12902 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
12903 (eliminate_tail_call): Likewise.
12904
12905 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
12906
12907 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
12908 Use TREE_OPERAND_LENGTH and generalize to handle any number of
12909 operands.
12910 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
12911
12912 * omp-low.c (build_omp_barrier): Use build_call_expr.
12913 (lower_rec_input_clauses): Likewise.
12914 (lower_reduction_clauses): Likewise.
12915 (expand_parallel_call): Likewise.
12916 (maybe_catch_exception): Likewise.
12917 (expand_omp_for_generic): Likewise.
12918 (expand_omp_for_static_nochunk): Likewise.
12919 (expand_omp_sections): Likewise.
12920 (lower_omp_single_simple): Likewise.
12921 (lower_omp_single_copy): Likewise.
12922 (lower_omp_master): Likewise.
12923 (lower_omp_ordered): Likewise.
12924 (lower_omp_critical): Likewise.
12925
12926 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
12927 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
12928
12929 * tree-gimple.c (is_gimple_call_addr): Fix doc.
12930 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
12931 TREE_CODE_LENGTH. Add tcc_vl_exp case.
12932
12933 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
12934 and generalize to handle any number of operands.
12935 (chrec_contains_undetermined): Likewise.
12936 (tree_contains_chrecs): Likewise.
12937 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
12938
12939 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
12940
12941 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
12942 fold_call_expr instead of fold_builtin.
12943 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
12944 match declarations there.
12945 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
12946 updates.
12947
12948 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
12949 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12950
12951 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
12952 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
12953
12954 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
12955 accessors.
12956
12957 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
12958 (execute_cse_sincos): Use new CALL_EXPR accessors.
12959
12960 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
12961
12962 * gimple-low.c (lower_function_body): Use build_call_expr.
12963 (lower_builtin_setjmp): Likewise.
12964
12965 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
12966 (set_storage_via_libcall): Likewise.
12967 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
12968 instead of TREE_CODE_LENGTH.
12969 (expand_expr_real_1): Use new CALL_EXPR accessors.
12970
12971 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
12972 generalize to handle any number of operands.
12973 (TB_parent_eq): Likewise.
12974
12975 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
12976 (strip_builtin_expect): Likewise.
12977
12978 * function.c (gimplify_parameters): Use build_call_expr.
12979
12980 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
12981 instead of TREE_CODE_LENGTH.
12982
12983 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
12984 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
12985
12986 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
12987 iterators.
12988
12989 * gimplify.c (build_stack_save_restore): Use build_call_expr.
12990 (gimplify_decl_expr): Likewise.
12991 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
12992 Use new CALL_EXPR iterators.
12993 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
12994 (gimplify_modify_expr_to_memset): Likewise.
12995 (gimplify_variable_sized_compare): Likewise.
12996 (gimplify_omp_atomic_fetch_op): Likewise.
12997 (gimplify_omp_atomic_pipeline): Likewise.
12998 (gimplify_omp_atomic_mutex): Likewise.
12999 (gimplify_function_tree): Likewise.
13000
13001 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
13002 (call_expr_flags): Likewise.
13003 (expand_call): Likewise.
13004
13005 * except.c (expand_builtin_eh_return_data_regno): Pass entire
13006 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13007 accessors.
13008
13009 * coverage.c (create_coverage): Use build_call_expr.
13010
13011 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
13012 (temp_call_expr_obstack): New.
13013 (pool_copy_list): Delete.
13014 (temp_copy_call_expr): New.
13015 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
13016 CALL_EXPR accessors. Get rid of special goo for copying argument
13017 lists and use temp_copy_call_expr instead.
13018 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
13019 CALL_EXPR accessors.
13020 (create_expression_by_pieces): Likewise. Use build_call_array
13021 to construct the result instead of fold_build3.
13022 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
13023 dealing with argument lists.
13024 (init_pre): Remove references to expression_node_pool and
13025 list_node_pool. Init temp_call_expr_obstack instead.
13026 (fini_pre): Remove references to expression_node_pool and
13027 list_node_pool.
13028
13029 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
13030 and walk arguments explicitly instead of as a list.
13031
13032 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
13033 (mx_register_decls): Likewise.
13034 (mudflap_register_call): Likewise.
13035 (mudflap_finish_file): Likewise.
13036
13037 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
13038 (ipa_callsite_compute_param): Likewise.
13039
13040 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
13041 accessors and constructor.
13042
13043 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
13044 accessors and constructor.
13045 (convert_tramp_reference): Likewise.
13046 (convert_call_expr): Likewise.
13047 (finalize_nesting_tree_1): Likewise.
13048
13049 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
13050 accessors.
13051
13052 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
13053
13054 * tree-inline.c (initialize_inlined_parameters): Pass entire
13055 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13056 accessors.
13057 (estimate_num_insns_1): Use new CALL_EXPR accessors.
13058 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
13059
13060 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
13061 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13062 (vectorizable_reduction): Likewise.
13063 (vectorizable_call): Use new CALL_EXPR iterators.
13064 (vectorizable_conversion): Use build_call_expr.
13065 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
13066 (vect_gen_widened_results_half): Use build_call_expr.
13067 (vect_setup_realignment): Likewise.
13068 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
13069
13070 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
13071 (pass_through_call): Likewise.
13072 (compute_object_sizes): Likewise. Use fold_call_expr instead of
13073 fold_builtin.
13074
13075 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
13076 (tree_gen_pow2_profiler): Likewise.
13077 (tree_gen_one_value_profiler): Likewise.
13078 (tree_gen_ic_func_profiler): Likewise.
13079 (tree_gen_average_profiler): Likewise.
13080 (tree_gen_ior_profiler): Likewise.
13081
13082 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
13083 (find_func_aliases): Use new CALL_EXPR accessors. Add case
13084 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13085
13086 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
13087 of TREE_CODE_LENGTH.
13088
13089 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
13090 of TREE_CODE_LENGTH.
13091
13092 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
13093 constructor.
13094 (convert_to_integer): Likewise.
13095
13096 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
13097 accessors.
13098
13099 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13100 Brooks Moses <brooks.moses@codesourcery.com>
13101 Lee Millward <lee.millward@codesourcery.com>
13102
13103 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
13104 accessors.
13105 * config/frv/frv.c (frv_expand_builtin): Likewise.
13106 * config/s390/s390.c (s390_expand_builtin): Likewise.
13107
13108 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
13109 (sparc_expand_builtin): Use new CALL_EXPR accessors.
13110
13111 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
13112 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
13113 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
13114 (ix86_expand_store_builtin): Likewise.
13115 (ix86_expand_unop_builtin): Likewise.
13116 (ix86_expand_unop1_builtin): Likewise.
13117 (ix86_expand_sse_compare): Likewise.
13118 (ix86_expand_sse_comi): Likewise.
13119 (ix86_expand_vec_init_builtin): Likewise.
13120 (ix86_expand_vec_ext_builtin): Likewise.
13121 (ix86_expand_vec_set_builtin): Likewise.
13122 (ix86_expand_builtin): Use new CALL_EXPR accessors.
13123
13124 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
13125 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
13126
13127 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
13128 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13129 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
13130
13131 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
13132 build_call_expr.
13133 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13134 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
13135 arglist. Use new CALL_EXPR accessors. Fix callers.
13136 (altivec_expand_abs_builtin): Likewise.
13137 (rs6000_expand_binop_builtin): Likewise.
13138 (altivec_expand_predicate_builtin): Likewise.
13139 (altivec_expand_lv_builtin): Likewise.
13140 (spe_expand_stv_builtin): Likewise.
13141 (altivec_expand_stv_builtin): Likewise.
13142 (rs6000_expand_ternop_builtin): Likewise.
13143 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
13144 (altivec_expand_st_builtin): Likewise.
13145 (altivec_expand_dst_builtin): Likewise.
13146 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
13147 arglist. Use new CALL_EXPR accessors. Fix callers.
13148 (altivec_expand_vec_set_builtin): Likewise.
13149 (altivec_expand_vec_ext_builtin): Likewise.
13150 (altivec_expand_builtin): Use new CALL_EXPR accessors.
13151 (spe_expand_builtin): Likewise.
13152 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
13153 arglist. Use new CALL_EXPR accessors. Fix callers.
13154 (spe_expand_evsel_builtin): Likewise.
13155 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
13156 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
13157
13158 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
13159 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13160 (arm_expand_unop_builtin): Likewise.
13161 (arm_expand_builtin): Use new CALL_EXPR accessors.
13162
13163 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
13164 accessors.
13165
13166 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
13167 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13168 (bfin_expand_unop_builtin): Likewise.
13169 (bfin_expand_builtin): Use new CALL_EXPR accessors.
13170
13171 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13172 Brooks Moses <brooks.moses@codesourcery.com>
13173 Lee Millward <lee.millward@codesourcery.com>
13174
13175 * c-semantics.c (build_stmt): Add internal diagnostic check.
13176
13177 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
13178 accessors. Print arguments explicitly instead of as a list.
13179
13180 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
13181
13182 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
13183 (c_finish_omp_flish): Likewise.
13184
13185 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
13186 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
13187 instead of TREE_CODE_LENGTH.
13188 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
13189 (c_warn_unused_result): Likewise.
13190
13191 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13192
13193 PR c/26494
13194 * doc/invoke.texi (Warning Options): Remove
13195 -Werror-implicit-function-declaration.
13196 (Wimplicit-function-declaration): Update description.
13197 * opts.c (common_handle_option): Move handling of -Werror=* to...
13198 (enable_warning_as_error): ...here.
13199 * opts.h (enable_warning_as_error): Declare.
13200 * c-decl.c (implicit_decl_warning): Unless
13201 -Wno-implicit-function-declaration is given, emit a pedwarn if
13202 -std=c99 or emit a warning if -Wimplicit-function-declaration.
13203 * c.opt (Wimplicit-function-declaration): Replace
13204 mesg_implicit_function_declaration with
13205 warn_implicit_function_declaration.
13206 * c-opts.c (c_common_handle_option):
13207 -Werror-implicit-function-declaration is exactly equal as
13208 -Werror=implicit-function-declaration.
13209 (set_Wimplicit): Replace mesg_implicit_function_declaration with
13210 warn_implicit_function_declaration.
13211 (c_common_post_options): -Wimplict-function-declaration is enabled
13212 by default by -std=c99, otherwise is disabled by default.
13213 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
13214
13215 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13216
13217 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
13218 DECL on the rhs to a DECL on the lhs for debug info purposes if the
13219 former is ignored but not the latter.
13220
13221 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13222
13223 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
13224 is made and the reference doesn't use the alias set of its type,
13225 do not create the temporary using that type.
13226
13227 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
13228
13229 * jump.c: Remove prototypes for delete_computation and
13230 delete_prior_computation.
13231
13232 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13233
13234 * jump.c (get_label_after): Delete.
13235 (get_label_before, delete_computation, delete_jump,
13236 delete_prior_computation, follow_jumps): Move...
13237 * reorg.c (delete_computation, delete_prior_computation): ... here...
13238 (get_label_before, delete_jump): ... making these static ...
13239 (follow_jumps): ... and simplifying this since it only runs after
13240 reload.
13241 * rtl.h (get_label_after, get_label_before, delete_jump,
13242 follow_jumps): Delete prototypes.
13243
13244 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13245
13246 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
13247
13248 2007-02-15 Nick Clifton <nickc@redhat.com>
13249
13250 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
13251 order to prevent it from being munged by the target.
13252
13253 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
13254
13255 * config/i386/i386.md: Remove misleading comment.
13256
13257 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13258
13259 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
13260 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
13261 invalid patterns.
13262
13263 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13264
13265 * tree-sra.c (instantiate_missing_elements): Canonicalize
13266 bit-field types.
13267 (sra_build_assignment): New.
13268 (generate_copy_inout, generate_element_copy,
13269 generate_element_zero, generate_one_element_init): Use it.
13270
13271 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13272
13273 * tree-sra.c (instantiate_missing_elements): Canonicalize
13274 bit-field types.
13275 (sra_build_assignment): New.
13276 (generate_copy_inout, generate_element_copy,
13277 generate_element_zero, generate_one_element_init): Use it.
13278
13279 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13280
13281 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
13282 limbo die nodes.
13283
13284 2007-02-14 Joseph Myers <joseph@codesourcery.com>
13285
13286 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
13287 types as aggregates not scalars.
13288 * function.c (assign_stack_temp_for_type): Likewise.
13289
13290 2007-02-14 Roger Sayle <roger@eyesopen.com>
13291 Zdenek Dvorak <dvorakz@suse.cz>
13292
13293 * tree-dump.c (dump_switch_p_1): Require exact match of the option
13294 name.
13295
13296 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13297
13298 * passes.c (next_pass_1): Clear the next field of the copied
13299 pass structure.
13300
13301 2007-02-14 Richard Henderson <rth@redhat.com>
13302
13303 * tree-sra.c (early_sra): New.
13304 (decl_can_be_decomposed_p): Deny va_list if early_sra.
13305 (tree_sra_early, pass_sra_early): New.
13306 * tree-pass.h (pass_sra_early): Declare.
13307 * passes.c (init_optimization_passes): Use it.
13308
13309 2007-02-14 Richard Guenther <rguenther@suse.de>
13310
13311 * flags.h (issue_strict_overflow_warning): Convert to a macro.
13312
13313 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
13314
13315 PR tree-optimization/30771
13316 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
13317 also phi nodes.
13318 (vect_analyze_operations): Induction phis can now be marked as
13319 used_in_loop.
13320 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
13321 Update documentation accordingly.
13322
13323 2007-02-14 Nick Clifton <nickc@redhat.com>
13324
13325 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
13326 most 3 arguments are supported.
13327 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
13328
13329 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
13330
13331 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
13332 Ensure dst->current is valid.
13333
13334 2007-02-13 Paul Brook <paul@codesourcery.com>
13335
13336 * config.gcc: Add arm*-*-uclinux-*eabi.
13337 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
13338 (SUBTARGET_EXTRA_LINK_SPEC): Define.
13339 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
13340 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
13341 (LINK_SPEC): Define.
13342 (LIB_SPEC): Define.
13343 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
13344 register.
13345 * config/arm/uclinux-eabi.h: New file.
13346 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
13347 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
13348 based targets.
13349
13350 2007-02-13 Ian Lance Taylor <iant@google.com>
13351
13352 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
13353 * flags.h (warn_strict_overflow): Declare.
13354 (enum warn_strict_overflow_code): Define.
13355 (issue_strict_overflow_warning): New static inline function.
13356 * opts.c (warn_strict_overflow): New variable.
13357 (common_handle_option): Handle OPT_Wstrict_overflow and
13358 OPT_Wstrict_overflow_.
13359 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
13360 OPT_Wall.
13361 * fold-const.c: Include intl.h.
13362 (fold_deferring_overflow_warnings): New static variable.
13363 (fold_deferred_overflow_warning): New static variable.
13364 (fold_deferred_overflow_code): New static variable.
13365 (fold_defer_overflow_warnings): New function.
13366 (fold_undefer_overflow_warnings): New function.
13367 (fold_undefer_and_ignore_overflow_warnings): New function.
13368 (fold_deferring_overflow_warnings_p): New function.
13369 (fold_overflow_warning): New static function.
13370 (make_range): Add strict_overflow_p parameter. Change all
13371 callers.
13372 (extract_muldiv, extract_muldiv_1): Likewise.
13373 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
13374 tree_expr_nonnegative_p.
13375 (fold_negate_expr): Call fold_overflow_warning.
13376 (fold_range_test): Likewise.
13377 (fold_comparison): Likewise.
13378 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
13379 instead of tree_expr_nonnegative_p.
13380 (tree_expr_nonnegative_warnv_p): Rename from
13381 tree_expr_nonnegative_p, add strict_overflow_p parameter.
13382 (tree_expr_nonnegative_p): New function.
13383 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
13384 strict_overflow_p parameter.
13385 (tree_expr_nonzero_p): New function.
13386 * passes.c (verify_interpass_invariants): New static function.
13387 (execute_one_pass): Call it.
13388 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
13389 warnings.
13390 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
13391 (estimate_numbers_of_iterations): Likewise.
13392 (scev_probably_wraps_p): Likewise.
13393 * tree-ssa-ccp.c: Include "toplev.h".
13394 (evaluate_stmt): Defer fold overflow warnings until we know we are
13395 going to optimize.
13396 (struct fold_stmt_r_data): Add stmt field.
13397 (fold_stmt_r): Defer fold overflow warnings until we know we
13398 optimized.
13399 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
13400 (fold_stmt_inplace): Likewise.
13401 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
13402 (cleanup_control_expr_graph): Defer fold overflow warnings until
13403 we know we are going to optimize.
13404 * tree-cfg.c (fold_cond_expr_cond): Likewise.
13405 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
13406 Likewise.
13407 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
13408 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
13409 * tree-ssa-loop-manip.c (create_iv): Likewise.
13410 * c-typeck.c (build_conditional_expr): Likewise.
13411 (build_binary_op): Likewise.
13412 * tree-vrp.c (vrp_expr_computes_nonzero): Call
13413 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
13414 (extract_range_from_unary_expr): Likewise.
13415 * simplify-rtx.c (simplify_const_relational_operation): Warn when
13416 assuming that signed overflow does not occur.
13417 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
13418 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
13419 (fold_defer_overflow_warnings): Declare.
13420 (fold_undefer_overflow_warnings): Declare.
13421 (fold_undefer_and_ignore_overflow_warnings): Declare.
13422 (fold_deferring_overflow_warnings_p): Declare.
13423 (tree_expr_nonzero_warnv_p): Declare.
13424 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
13425 of warning options.
13426 (Warning Options): Document -Wstrict-overflow.
13427 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
13428 (tree-ssa-ccp.o): Likewise.
13429 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
13430 (fold-const.o): Depend on intl.h.
13431
13432 2007-02-13 Ian Lance Taylor <iant@google.com>
13433
13434 PR middle-end/30751
13435 * lower-subreg.c (resolve_simple_move): Decompose subregs in
13436 addresses.
13437
13438 2007-02-13 Stuart Hastings <stuart@apple.com>
13439
13440 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
13441
13442 2007-02-13 Richard Henderson <rth@redhat.com>
13443
13444 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
13445 handled_component_p before looking for the indirect_ref.
13446
13447 2007-02-13 Richard Henderson <rth@redhat.com>
13448
13449 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
13450 remove flags clobber.
13451 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
13452 (bswaphi_lowpart): New.
13453 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
13454 remove TARGET_BSWAP test. Delete expander of the same name.
13455
13456 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
13457 (expand_unop): Use them.
13458
13459 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
13460
13461 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
13462 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
13463 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
13464 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
13465 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
13466 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
13467 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
13468 assembler dialect choice from asm templates.
13469
13470 2007-02-12 Richard Henderson <rth@redhat.com>
13471
13472 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
13473 (fixuns_trunc<SSEMODEF>si2): Use it.
13474 * config/i386/sse.md (vec_setv4sf_0): Export.
13475 * config/i386/i386.c (ix86_build_const_vector): Export.
13476 (ix86_split_convert_uns_si_sse): Rename from
13477 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
13478 * config/i386/i386-protos.h: Update.
13479
13480 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13481
13482 PR c/29521
13483 * c-typeck.c (c_finish_return): Improve warning message.
13484
13485 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13486
13487 * alias.c (find_symbolic_term): Delete unused function.
13488
13489 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
13490
13491 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
13492 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
13493 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
13494
13495 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13496
13497 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
13498 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
13499 the function, temporarily point the debug interface to the null one.
13500
13501 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13502
13503 * dwarf2out.c (round_up_to_align): New static function.
13504 (field_byte_offset): Use it to round the offset.
13505
13506 2007-02-12 Richard Henderson <rth@redhat.com>
13507
13508 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
13509 (inswl_const): Export.
13510
13511 2007-02-12 Richard Henderson <rth@redhat.com>
13512
13513 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
13514 result mode of the libcall, convert back to outmode.
13515
13516 2007-02-12 Roger Sayle <roger@eyesopen.com>
13517
13518 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
13519 (bswapdi2): New define_expand to implement 32-bit implementation.
13520
13521 2007-02-12 Nick Clifton <nickc@redhat.com>
13522
13523 * doc/invoke.texi (Overall Options): Document --help=.
13524 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
13525 (cc1_options): Pass --help= on to cc1.
13526 (display_help): Add description of --help=.
13527 (process_command): Add code to handle --help=. Allow translated
13528 --help and --target-help switches to be passed on to compiler
13529 sub-process.
13530 (main): Remove unused if statement.
13531 * opts.c (columns): Remove.
13532 (LEFT_COLUMN): Define.
13533 (wrap_help): Add columns argument.
13534 (print_filtered_help): Change parameters to be an include bitmask,
13535 an exclude bitmask, an any bitmask and the column width. Move the
13536 code to display the params list here. Add code to display the
13537 status of options rather than their descriptions if the quiet flag
13538 is not active.
13539 (print_specific_help): Change parameters to be an include bitmask,
13540 an exclude bitmask and an any bitmask. Move code to look up the
13541 column width here. Decide upon the title for an options listing.
13542 (common_handle_options): Add code to handle --help=. Adapt code
13543 for --help and --target-help to use the revised form of the
13544 print_specific_help function.
13545 (print_help): Delete.
13546 (print_param_help): Delete.
13547 (print_switch): Delete.
13548 * opts.h (cl_lang_count): Add prototype.
13549 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
13550 CL_MAX_OPTION_CLASS): New defines.
13551 * optc-gen.awk: Add construction of cl_lang_count.
13552 * c.opt: Add Warning attribute to warning options and Optimization
13553 attribute to optimization options.
13554 * common.opt: Likewise.
13555 Add --help=.
13556 Add -fhelp and -ftarget-help as aliases for the transformed --help
13557 and --target-help options.
13558 * opt-functions.awk: Add code to handle Warning and Optimization
13559 attributes.
13560
13561 2007-02-12 Richard Henderson <rth@redhat.com>
13562
13563 * config/alpha/constraints.md: New file.
13564 * config/alpha/alpha.c: Include tm-constrs.h.
13565 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
13566 alpha_extra_constraint): Remove.
13567 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
13568 * config/alpha/alpha-protos.h: Update.
13569 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
13570 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
13571 (EXTRA_CONSTRAINT): Remove.
13572 * config/alpha/alpha.md: Include constraints.md.
13573 (adddi splitter): Use satisfies_constraint_*.
13574 * config/alpha/predicates.md (add_operand): Likewise.
13575 (sext_add_operand, addition_operation): Likewise.
13576
13577 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
13578
13579 PR tree-optimization/29145
13580 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
13581 in our handling of restrict qualified pointers.
13582
13583 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13584
13585 PR middle-end/7651
13586 * doc/invoke.texi (Wunused-value): Update description.
13587 (Wextra): Delete item.
13588 * opts.c (set_Wextra): Don't use the value of Wextra to set the
13589 value of Wunused-value.
13590 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
13591 (c_finish_stmt_expr): Don't check extra_warnings.
13592 (emit_side_effect_warnings): The caller is responsible to check
13593 warn_unused_value.
13594
13595 2007-02-11 Roger Sayle <roger@eyesopen.com>
13596 Matt Thomas <matt@3am-software.com>
13597
13598 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
13599
13600 2007-02-11 Roger Sayle <roger@eyesopen.com>
13601
13602 * simplify-rtx.c (simplify_relational_operation_1): Optimize
13603 comparisons of POPCOUNT against zero.
13604 (simplify_const_relational_operation): Likewise.
13605
13606 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13607
13608 * doc/invoke.texi (Wextra): Delete outdated paragraph.
13609
13610 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13611
13612 * dwarf2out.c (root_type): Delete unused function.
13613
13614 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13615
13616 * genattrtab.c (contained_in_p): Delete unused function.
13617 (write_expr_attr_cache): Likewise.
13618
13619 2007-02-11 Jan Hubicka <jh@suse.cz>
13620
13621 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
13622 previous patch.
13623
13624 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
13625
13626 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
13627 to add the REG_EQ* note.
13628 * see.c (see_merge_one_use_extension): Likewise.
13629 * local-alloc.c (update_equiv_regs): Likewise. Also don't
13630 turn REG_EQUAL notes into REG_EQUIV notes if the target
13631 register may have more than one set.
13632 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
13633 * gcse.c (try_replace_reg): Likewise.
13634 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
13635 * calls.c (fixup_tail_calls): Likewise. Abort if there is
13636 more than one REG_EQUIV note.
13637 * reload1.c (gen_reload): Use set_unique_reg_note.
13638
13639 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
13640
13641 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
13642 (ix86_builtin_conversion): New function.
13643
13644 2007-02-06 Mark Mitchell <mark@codesourcery.com>
13645
13646 PR target/29487
13647 * tree.h (DECL_REPLACEABLE_P): New macro.
13648 * except.c (set_nothrow_function_flags): Likewise.
13649
13650 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
13651 Ira Rosen <irar@il.ibm.com>
13652 Dorit Nuzman <dorit@il.ibm.com>
13653
13654 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
13655 * targhooks.c (default_builtin_vectorized_conversion): New.
13656 * targhooks.h (default_builtin_vectorized_function): New declaration.
13657 * target.h (struct vectorize): Add builtin_conversion field.
13658 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
13659 stmt_vec_info_type value.
13660 (vectorizable_conversion): New declaration.
13661 * tree-vect-analyze.c (vect_analyze_operations): Add
13662 vectorizable_conversion call.
13663 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
13664 * tree-vect-transform.c (vectorizable_conversion): New function.
13665 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
13666 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
13667 mode.
13668 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
13669 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
13670 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
13671 or ALTIVEC_BUILTIN_VCFSX.
13672
13673 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13674
13675 PR target/30634
13676 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
13677 CONST_DOUBLE and operand 0 is a hard register.
13678 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
13679 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
13680 is a hard floating-point register.
13681
13682 2007-02-10 Richard Henderson <rth@redhat.com>
13683 Jakub Jelinek <jakub@redhat.com>
13684 Alexandre Oliva <aoliva@redhat.com>
13685
13686 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
13687 * builtin-types.def (BT_WORD): Make unsigned.
13688 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
13689 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
13690 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
13691 * c-decl.c (grokdeclarator): Don't error if !have_tls.
13692 * c-parser.c (c_parser_omp_threadprivate): Likewise.
13693 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
13694 emulated tls.
13695 * expr.c (emutls_var_address): New.
13696 (expand_expr_real_1): Expand emulated tls.
13697 (expand_expr_addr_expr_1): Likewise.
13698 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
13699 * output.h (emutls_finish): Declare.
13700 * toplev.c (compile_file): Call it.
13701 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
13702 address before wrapping in CONST.
13703 * varasm.c (emutls_htab, emutls_object_type): New.
13704 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
13705 (get_emutls_object_name, get_emutls_object_type): New.
13706 (get_emutls_init_templ_addr, emutls_decl): New.
13707 (emutls_common_1, emutls_finish): New.
13708 (assemble_variable): When emulating tls, swap decls; generate
13709 constructor for the emutls objects.
13710 (do_assemble_alias): When emulating tls, swap decl and target name.
13711 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
13712 for emulated tls.
13713 * varpool.c (decide_is_variable_needed): Look at force_output.
13714 Recurse for emulated tls.
13715 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
13716 with decide_is_variable_needed.
13717 * emutls.c: New file.
13718 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
13719 tls_object for real tls.
13720
13721 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
13722
13723 PR rtl-optimization/29599
13724 * reload1.c (eliminate_regs_in_insn): Take the destination
13725 mode into account when computing the offset.
13726
13727 2007-02-09 Stuart Hastings <stuart@apple.com>
13728 Richard Henderson <rth@redhat.com>
13729
13730 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13731 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13732 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
13733 fixuns_truncdfhi2): New.
13734 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
13735 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
13736 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
13737 (floatunssidf2): Allow nonimmediate source.
13738 * config/i386/sse.md (movdi_to_sse): New.
13739 (vec_concatv2di): Drop '*'.
13740 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
13741 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13742 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
13743 New.
13744 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
13745 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13746 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
13747 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
13748 (ix86_build_signbit_mask): Fix decl of v, refactor to call
13749 ix86_build_const_vector.
13750 (x86_emit_floatuns): Rewrite.
13751
13752 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13753
13754 * genautomata.c (longest_path_length): Delete unused function.
13755 (struct state): Delete unused longest_path_length.
13756 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
13757 (get_free_state): Delete unused.
13758
13759 2007-02-09 Jan Hubicka <jh@suse.cz>
13760
13761 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
13762 * doc/invoke.texi (inline-unit-growth): Update default value.
13763
13764 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
13765 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
13766 (rebuild_cgraph_edges): Likewise.
13767 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
13768 (dump_cgraph_node): Dump frequencies.
13769 (cgraph_clone_edge): Add frequency scales.
13770 (cgraph_clone_node): Add freuqnecy.
13771 * cgraph.h (cgraph_edge): Add freuqnecy argument.
13772 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
13773 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
13774 * tree-pass.h (TODO_rebuild_frequencies): New constant.
13775 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
13776 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
13777 (save_inline_function_body): Likewise.
13778 * ipa-inline.c: inluce rtl.h
13779 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
13780 (cgraph_edge_badness): Use frequencies.
13781 (cgraph_decide_recursive_inlining): Update clonning.
13782 (cgraph_decide_inlining_of_small_function): Dump frequency.
13783 * predict.c (estimate_bb_frequencies): Export.
13784 * predict.h (estimate_bb_frequencies): Declare.
13785 * tree-inline.c (copy_bb): Watch overflows.
13786 (expand_call_inline): Update call of cgraph_create_edge.
13787 (optimize_inline_calls): Use TODO flags to update frequnecies.
13788 * passes.h: Include predict.h
13789 (init_optimization_passes): Move profile ahead.
13790 (execute_function_todo): Handle TODO_rebuild_frequencies.
13791
13792 2007-02-09 Roger Sayle <roger@eyesopen.com>
13793
13794 * config/alpha/alpha.c (emit_insxl): Force the first operand of
13795 the insbl or inswl pattern into a register.
13796
13797 2007-02-09 Roger Sayle <roger@eyesopen.com>
13798
13799 * config/ia64/ia64.md (bswapdi2): New define_insn.
13800
13801 2007-02-09 Richard Henderson <rth@redhat.com>
13802
13803 * config/i386/constraints.md (Ym): New constraint.
13804 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
13805 (movdi_1_rex64): Split sse and xmm general register moves from
13806 memory move alternatives. Use conditional register constraints.
13807 (movsf_1, movdf_integer): Likewise.
13808 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13809 (movdf_integer_rex64): New.
13810 (pushsf_rex64): Fix output constraints.
13811 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
13812 (sse2_stored): Likewise.
13813 (sse2_storeq_rex64): New.
13814 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
13815 amd and not generic.
13816 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
13817 for optimize_size. Remove SF/DFmode hack.
13818
13819 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
13820
13821 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
13822 (bit_SSE4a): New.
13823
13824 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
13825 Richard Sandiford <richard@codesourcery.com>
13826
13827 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
13828 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
13829 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
13830 m68k/t-mlib to tmake_file.
13831 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
13832 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
13833 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
13834 Allow it to be cf or m68k. Set m68k_arch_family. If that
13835 variable is not empty, add t-$m68k_arch_family to tmake_file.
13836 Add t-mlibs to tmake_file.
13837 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
13838 * config/m68k/t-cf: New file.
13839 * config/m68k/t-m68k: Likewise.
13840 * config/m68k/t-mlibs: Likewise.
13841 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13842 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13843 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13844 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13845 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
13846 Delete.
13847 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
13848 (INSTALL_LIBGCC): Delete.
13849 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13850 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13851 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13852 (M68K_MLIB_CPU): Define.
13853 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13854 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13855 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
13856
13857 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13858 Richard Guenther <rguenther@suse.de>
13859
13860 PR middle-end/23361
13861 * fold-const.c (fold_comparison): Handle obfuscated comparisons
13862 against INT_MIN/INT_MAX.
13863 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
13864 file if a loop is removed.
13865
13866 2007-02-09 Joseph Myers <joseph@codesourcery.com>
13867
13868 * calls.c (store_one_arg): Pass correct alignment to
13869 emit_push_insn for non-BLKmode values.
13870 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
13871 unaligned stack slot via a suitably aligned slot.
13872
13873 2007-02-08 DJ Delorie <dj@redhat.com>
13874
13875 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
13876 warnings.
13877 (legal_subregs): Use unsigned char, make const.
13878 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
13879
13880 2007-02-08 Paul Brook <paul@codesourcery.com>
13881
13882 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
13883 special interworking needed.
13884
13885 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
13886
13887 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
13888 conditional to __SSE2__.
13889 (Entries below should have been added to first ChangeLog
13890 entry for amdfam10 dated 2007-02-05)
13891 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
13892 defined.
13893 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
13894 defined.
13895 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
13896 defined.
13897
13898 2007-02-08 DJ Delorie <dj@redhat.com>
13899
13900 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
13901 * config/m32c/m32c.c (legal_subregs): New.
13902 (m32c_illegal_subreg_p): New.
13903 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
13904 unsupported subregs of hard regs.
13905
13906 2007-02-08 Jan Hubicka <jh@suse.cz>
13907
13908 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
13909 the same one; always update histograms.
13910
13911 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13912
13913 * passes.c (init_optimization_passes): Tidy comment.
13914
13915 2007-02-08 Roger Sayle <roger@eyesopen.com>
13916
13917 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
13918 strip zero_extend, bswap and rotates from POCOUNT's argument.
13919 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
13920 zero_extend and rotates from PARITY's argument.
13921 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
13922 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
13923 of an integer constant at compile-time.
13924
13925 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13926
13927 PR 30562
13928 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
13929 Update all users.
13930 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
13931 users.
13932 (init_alias_info):
13933 * tree-ssa-live.c (remove_unused_locals): Do not remove
13934 TREE_ADDRESSABLE variables.
13935 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
13936 * tree-ssa-operands.c (add_virtual_operand): Remove argument
13937 FOR_CLOBBER. Update all users.
13938 If VAR has an associated alias set, add a virtual operand for
13939 it if no alias is found to conflict with the memory reference.
13940
13941 2007-02-07 Jan Hubicka <jh@suse.cz>
13942 Robert Kidd <rkidd@crhc.uiuc.edu>
13943
13944 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
13945
13946 2007-02-07 Ian Lance Taylor <iant@google.com>
13947
13948 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
13949
13950 2007-02-07 Roger Sayle <roger@eyesopen.com>
13951
13952 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
13953 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
13954 tablejumpdi, movsi_to_cr_one): Remove constraints from
13955 define_expand's match_operands.
13956
13957 2007-02-07 Roger Sayle <roger@eyesopen.com>
13958
13959 * global.c (compute_regsets): Move declatation of "i" inside of
13960 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
13961
13962 2007-02-07 Jakub Jelinek <jakub@redhat.com>
13963
13964 PR c++/30703
13965 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
13966 of INDIRECT_REF <RESULT_DECL>.
13967
13968 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
13969
13970 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
13971 Kaz Kojima <kkojima@gcc.gnu.org>
13972
13973 PR target/29746
13974 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
13975 properly.
13976 (sh_initialize_trampoline): Add parentheses to avoid a warning.
13977
13978 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13979
13980 * doc/loop.texi: Document possibility not to perform disambiguation
13981 of loops with multiple latches.
13982 * cfgloopmanip.c (alp_enum_p): Removed.
13983 (add_loop): Handle subloops. Use get_loop_body_with_size.
13984 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
13985 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
13986 the new forwarder block.
13987 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
13988 Handle the case latch is NULL.
13989 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
13990 when marking loop exits.
13991 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
13992 be modified.
13993 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
13994 disambiguate_loops_with_multiple_latches.
13995 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
13996 before fix_loop_structure.
13997 * cfgloop.c: Include pointer-set.h and output.h.
13998 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
13999 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
14000 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
14001 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
14002 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
14003 disambiguate_multiple_latches, get_loop_body_with_size,
14004 disambiguate_loops_with_multiple_latches): New functions.
14005 (flow_loop_dump): Dump multiple latch edges.
14006 (flow_loop_nodes_find): Handle loops with multiple latches.
14007 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
14008 (glb_enum_p): Modified.
14009 (get_loop_body): Use get_loop_body_with_size.
14010 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
14011 (AVOID_CFG_MODIFICATIONS): New constant.
14012 (disambiguate_loops_with_multiple_latches, add_loop,
14013 get_loop_body_with_size): Declare.
14014 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
14015
14016 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
14017
14018 PR inline-asm/28686
14019 * global.c (compute_regsets): New function.
14020 (global_alloc): Refactored ELIMINABLE_REGSET
14021 and NO_GLOBAL_ALLOC_REGS computation out.
14022 (rest_of_handle_global_alloc): Call compute_regsets()
14023 for non-optimizing case.
14024
14025 2007-02-06 Richard Henderson <rth@redhat.com>
14026
14027 * config/i386/constraints.md (Y2): Rename from Y.
14028 (Yi): New constraint.
14029 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
14030 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
14031 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
14032 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
14033 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
14034 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
14035 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
14036 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
14037 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
14038 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
14039 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
14040 vec_extractv2si_1): Change Y constraints to Y2.
14041 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
14042 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
14043 Change Y constraints to Y2.
14044 (sse2_loadld): Change Y constraints to x.
14045
14046 2007-02-06 Roger Sayle <roger@eyesopen.com>
14047
14048 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
14049 (parity<mode>2): New define_expand using rs6000_emit_parity.
14050 * config/rs6000/rs6000.c (rs6000_emit_popcount,
14051 rs6000_emit_parity): New functions.
14052 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
14053 rs6000_emit_parity): Prototype here.
14054
14055 2007-02-06 Ian Lance Taylor <iant@google.com>
14056
14057 * lower-subreg.c (simple_move_operand): Reject CONST.
14058 (resolve_clobber): Call validate_change rather than directly
14059 assigning to XEXP (pat, 0).
14060
14061 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14062
14063 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
14064 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
14065 (tree-cfg.o): Remove hashtab.h dependency.
14066
14067 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
14068 (struct ivopts_data): Change niters to pointer_map_t.
14069 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
14070 (niter_for_exit): Create pointer_map on demand. Change for
14071 pointer_map API.
14072 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
14073 (free_loop_data): Destroy data->niters if created and reset field.
14074 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
14075 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
14076
14077 * tree-ssa-reassoc.c: Include pointer-set.h.
14078 (bb_rank): Change to long *.
14079 (operand_rank): Change to pointer_map_t.
14080 (find_operand_rank): Return long, -1 if not found. Declare as inline.
14081 (insert_operand_rank): Accept long.
14082 (operand_entry_hash, operand_entry_eq): Remove.
14083 (get_rank): Return long. Adjust for changes above.
14084 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
14085 and operand_rank.
14086 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
14087
14088 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
14089 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
14090 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
14091 is not NULL.
14092 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
14093 directly since it cannot be NULL.
14094 (get_vi_for_tree): Rewrite for pointer_map API.
14095 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
14096 (init_alias_vars): Create vi_for_tree as pointer_map.
14097 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
14098
14099 * tree-cfg.c: Don't include hashtab.h.
14100 (edge_to_cases): Declare as pointer_map.
14101 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
14102 Delete.
14103 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
14104 (start_recording_case_labels): Create edge_to_cases as pointer_map.
14105 (end_recoding_case_labels): Cleanup edge_to_cases manually before
14106 destroying it.
14107 (record_switch_edge): Delete.
14108 (get_cases_for_edge): Adjust for pointer_map API, inline
14109 record_switch_edge (rewritten for new API), remove goto.
14110
14111 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14112
14113 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
14114 * tree-nested.c: Include pointer-set.h.
14115 (var_map_elt, var_map_eq, var_map_hash): Delete.
14116 (struct nesting_info): Remove GTY marker. Change the two htab_t's
14117 to pointer_map_t's.
14118 (nesting_info_bitmap_obstack): New.
14119 (lookup_field_for_decl): Adjust for pointer_map API.
14120 (lookup_tramp_for_decl): Adjust for pointer_map API.
14121 (get_nonlocal_debug_decl): Adjust for pointer_map API.
14122 (get_local_debug_decl): Adjust for pointer_map API.
14123 (convert_nl_goto_reference): Adjust for pointer_map API.
14124 (convert_nl_goto_receiver): Adjust for pointer_map API.
14125 (create_nesting_tree): Create outside GGC space. Create bitmap on
14126 the new obstack. Create field_map and var_map as pointer_maps.
14127 (free_nesting_tree): Adjust for changes to create_nesting_tree.
14128 (root): Delete.
14129 (lower_nested_functions): Move root here, no need to NULL it.
14130 Initialize and release the obstack.
14131
14132 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
14133
14134 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
14135 Remove prototypes and make them non-static.
14136 (struct tree_int_map): Remove.
14137 * tree.h (struct tree_int_map): Move here, turning TO into an
14138 unsigned int.
14139 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
14140
14141 * tree.h (TREE_COMPLEXITY): Remove.
14142 (struct tree_exp): Remove complexity field.
14143 * tree.c (build1_stat): Don't set it.
14144
14145 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
14146 Victor Kaplansky <victork@il.ibm.com>
14147
14148 * tree-vectorizer.c (vect_is_simple_use): Support induction.
14149 (vect_is_simple_reduction): Support reduction with induction as
14150 one of the operands.
14151 (vect_is_simple_iv_evolution): Fix formatting.
14152 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
14153 formatting. Don't mark induction phis for vectorization.
14154 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
14155 * tree-vect-transform.c (get_initial_def_for_induction): New function.
14156 (vect_get_vec_def_for_operand): Support induction.
14157 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
14158 induction case.
14159 (vectorizable_reduction): Support reduction with induction as one of
14160 the operands.
14161 (vectorizable_type_demotion): Use def-type of stmt argument rather
14162 than dummy def-type.
14163
14164 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
14165 flag_tree_scev_cprop.
14166 * common.opt (tree-scev-cprop): New flag.
14167
14168 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
14169 call to vect_get_new_vect_var.
14170
14171 2007-02-06 Ira Rosen <irar@il.ibm.com>
14172
14173 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
14174 vectype is not NULL.
14175 (vect_pattern_recog_1): Likewise.
14176
14177 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14178
14179 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
14180 (fold_negate_expr): Likewise.
14181
14182 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
14183
14184 PR debug/30189
14185 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
14186 even if cv-qualification is the same.
14187
14188 2007-02-05 Geoffrey Keating <geoffk@apple.com>
14189
14190 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
14191 __enable_execute_stack on completion.
14192
14193 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14194
14195 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
14196 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
14197 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
14198 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
14199 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
14200 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
14201 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
14202 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
14203
14204 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14205
14206 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
14207 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
14208 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
14209 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
14210 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
14211 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
14212 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
14213 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
14214 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
14215 umuldi3_highpart_rex64, umulsi3_highpart_insn,
14216 umulsi3_highpart_zext, smuldi3_highpart_rex64,
14217 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
14218 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
14219 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
14220 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
14221 sqrtextenddfxf2_i387): Added amdfam10_decode.
14222
14223 * config/i386/athlon.md (athlon_idirect_amdfam10,
14224 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
14225 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
14226 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
14227 athlon_ivector_store_amdfam10): New define_insn_reservation.
14228 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
14229 amdfam10.
14230
14231 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14232
14233 * config/i386/athlon.md (athlon_call_amdfam10,
14234 athlon_pop_amdfam10, athlon_lea_amdfam10): New
14235 define_insn_reservation.
14236 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
14237 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
14238 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
14239
14240 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14241
14242 * config/i386/athlon.md (athlon_sseld_amdfam10,
14243 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
14244 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
14245
14246 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14247
14248 * config/i386/athlon.md (athlon_sseins_amdfam10): New
14249 define_insn_reservation.
14250 * config/i386/i386.md (sseins): Added sseins to define_attr type
14251 and define_attr unit.
14252 * config/i386/sse.md: Set type attribute to sseins for insertq
14253 and insertqi.
14254
14255 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14256
14257 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
14258 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
14259 ssecomi_load_amdfam10, ssecomi_amdfam10,
14260 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
14261 define_insn_reservation.
14262 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
14263
14264 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14265
14266 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
14267 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
14268 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
14269 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
14270 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
14271 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
14272 define_insn_reservation.
14273
14274 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
14275 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
14276 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
14277 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
14278 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
14279
14280 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14281
14282 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
14283 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
14284 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
14285 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
14286 athlon_ssemul_load_k8): Added amdfam10.
14287
14288 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14289
14290 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
14291 (x86_sse_unaligned_move_optimal): New variable.
14292
14293 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
14294 m_AMDFAM10.
14295 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
14296 for unaligned vector SSE double/single precision loads for AMDFAM10.
14297
14298 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14299
14300 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
14301 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
14302 Define TARGET_CPU_DEFAULT_amdfam10.
14303 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
14304 (processor_type): Add PROCESSOR_AMDFAM10.
14305
14306 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
14307 processor_type in config/i386/i386.h.
14308 Enable imul peepholes for TARGET_AMDFAM10.
14309
14310 * config.gcc: Add support for --with-cpu option for amdfam10.
14311
14312 * config/i386/i386.c (amdfam10_cost): New variable.
14313 (m_AMDFAM10): New macro.
14314 (m_ATHLON_K8_AMDFAM10): New macro.
14315 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
14316 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
14317 x86_promote_QImode, x86_integer_DFmode_moves,
14318 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14319 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
14320 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
14321 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
14322 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
14323 Enable/disable for amdfam10.
14324 (override_options): Add amdfam10_cost to processor_target_table.
14325 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
14326 processor_alias_table.
14327 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
14328 (ix86_adjust_cost): Add code for amdfam10.
14329
14330 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14331
14332 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
14333 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
14334 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
14335 * config/i386/i386.h: Add builtin definition for SSE4A.
14336 * config/i386/i386.md: Add support for ABM instructions
14337 (popcnt and lzcnt).
14338 * config/i386/sse.md: Add support for SSE4A instructions
14339 (movntss, movntsd, extrq, insertq).
14340 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
14341 Add -march=amdfam10 flag.
14342 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
14343 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
14344 and amdfam10.
14345 * doc/extend.texi: Add documentation for SSE4A builtins.
14346
14347 2007-02-05 Bob Wilson <bob.wilson@acm.org>
14348
14349 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
14350
14351 2007-02-05 Richard Guenther <rguenther@suse.de>
14352
14353 * tree-vectorizer.h (vectorizable_function): Add argument type
14354 argument, change return type.
14355 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
14356 * tree-vect-transform.c (vectorizable_function): Handle extra
14357 argument, return vectorized function decl.
14358 (build_vectorized_function_call): Remove.
14359 (vectorizable_call): Handle calls with result and argument types
14360 differing. Handle loop vectorization factor correctly.
14361 * targhooks.c (default_builtin_vectorized_function): Adjust for
14362 extra argument.
14363 * targhooks.h (default_builtin_vectorized_function): Likewise.
14364 * target.h (builtin_vectorized_function): Add argument type
14365 argument.
14366 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
14367 extra argument, allow vectorizing of lrintf.
14368 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
14369 documentation of target hook.
14370
14371 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
14372
14373 PR target/30665
14374 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
14375 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
14376 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
14377
14378 2007-02-05 Roger Sayle <roger@eyesopen.com>
14379
14380 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
14381 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
14382 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
14383 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
14384 before canonicalizing sincos to cexpi.
14385 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
14386
14387 2007-02-05 Roger Sayle <roger@eyesopen.com>
14388
14389 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
14390 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
14391 (alpha_init_builtins): Use alpha_add_builtins to process tables.
14392
14393 2007-02-05 Roger Sayle <roger@eyesopen.com>
14394
14395 * mips-tfile.c (initialize_init_file): Correct endianness test.
14396
14397 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
14398
14399 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
14400 the 'y' constraint.
14401
14402 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14403
14404 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
14405 saves in a PARALLEL before the register assignments.
14406
14407 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14408
14409 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
14410 DWARF_FRAME_RETURN_COLUMN to be a general register.
14411 * dwarf2out.c (init_return_column_size): New function, split from...
14412 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
14413 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
14414 to be nongeneral registers.
14415 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
14416 integer registers.
14417 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
14418 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
14419
14420 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14421
14422 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
14423
14424 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14425
14426 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
14427 (remove_path): Use can_remove_branch_p and remove_branch instead
14428 of loop_delete_branch_edge.
14429 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
14430 (tree_transform_and_unroll_loop): Remove dead branches immediately.
14431 Update profile using scale_dominated_blocks_in_loop.
14432 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
14433 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
14434 (can_remove_branch_p, remove_branch): Declare.
14435 * tree-cfg.c (tree_can_remove_branch_p): New function.
14436 (tree_cfg_hooks): Add tree_can_remove_branch_p.
14437 * cfgrtl.c (rtl_can_remove_branch_p): New function.
14438 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
14439
14440 2007-02-05 Jan Hubicka <jh@suse.cz>
14441
14442 PR middle-end/30696
14443 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
14444 nodes in cgraph, don't remove offline copy of the function.
14445
14446 2007-02-04 Jan Hubicka <jh@suse.cz>
14447
14448 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
14449 vectors might cause maybe_lookup_element_for_expr to be called
14450 on non-sra-candidate.
14451
14452 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14453
14454 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
14455 config/bfin/bfin.md, config/bfin/predicates.md: Follow
14456 spelling conventions.
14457
14458 2007-02-04 Richard Guenther <rguenther@suse.de>
14459
14460 PR middle-end/30636
14461 * fold-const.c (try_move_mult_to_index): Make sure to not
14462 overflow one dimension of a multi-dimensional array access.
14463
14464 2007-02-04 Jan Hubicka <jh@suse.cz>
14465
14466 * passes.c (init_optimization_passes): Reindent.
14467
14468 2007-02-04 Jan Hubicka <jh@suse.cz>
14469 Eric Botcazou <ebotcazou@adacore.com>
14470
14471 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
14472 (execute_fixup_cfg): Break out the abnormal goto code.
14473 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
14474 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
14475 (optimize_inline_calls): Call make_nonlocal_label_edges.
14476
14477 2007-02-04 Jan Hubicka <jh@suse.cz>
14478
14479 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
14480 true when something was changed.
14481 (rename_ssa_copies): When something was changed, do
14482 TODO_remove_unused_locals.
14483 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
14484 add TODO_remove_unused_locals when instruction was removed.
14485
14486 2007-02-04 Jan Hubicka <jh@suse.cz>
14487
14488 * ipa-inline.c (try_inline): Improve debug output; work on already
14489 inline edges too.
14490 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
14491 call try_inline for already inlined edges too when flattening;
14492 inline also functions that make callee growth but overall unit size
14493 reduce.
14494
14495 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14496
14497 * config/m32c/bitops.md, config/m32c/jump.md,
14498 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
14499 config/m32r/m32r.h, config/m32r/m32r.md,
14500 config/m32r/predicates.md, config/m68hc11/larith.asm,
14501 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
14502 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
14503 config/mips/mips-protos.h, config/mips/mips.c,
14504 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
14505 config/mn10300/mn10300.h, config/mn10300/predicates.md,
14506 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
14507 spelling conventions.
14508
14509 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
14510 Follow spelling conventions.
14511
14512 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
14513
14514 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
14515 warn about C++0x compatibility.
14516
14517 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14518
14519 * config/h8300/h8300.c, config/h8300/h8300.h,
14520 config/h8300/h8300.md: Follow spelling conventions.
14521
14522 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
14523
14524 PR middle-end/30667
14525 * combine.c (try_combine): Do not substitute source operand
14526 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
14527
14528 2007-02-03 Jan Hubicka <jh@suse.cz>
14529
14530 PR gcov-profile/30650
14531 * value-prof.c (stringop_block_profile): Fix handling of size counter;
14532 do not divide by zero for never executed counters.
14533 (tree_find_values_to_profile): Fix counters.
14534 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
14535
14536 2007-02-03 Ian Lance Taylor <iant@google.com>
14537
14538 * lower-subreg.c (simple_move_operand): New static function,
14539 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
14540 operands.
14541 (simple_move): Call simple_move_operand.
14542 (find_decomposable_subregs): Add special handling of MEMs.
14543 (can_decompose_p): Rename from cannot_decompose_p. Reverse
14544 meaning of return value. If we see a hard register, test whether
14545 it can store a word_mode value. Change all callers.
14546
14547 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14548
14549 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
14550 ftrapv insns and expanders.
14551 (subdi3): Change define_expand operand 1 to arith11_operand, and
14552 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
14553 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
14554 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
14555 respectively.
14556
14557 PR middle-end/30174
14558 * varasm.c (notice_global_symbol): Treat global objects as weak when
14559 flag_shlib is true.
14560
14561 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14562
14563 * emit-rtl.c (dconstpi): Delete.
14564 (dconstsqrt2): New.
14565 (init_emit_once): Delete dconstpi and init dconstsqrt2.
14566 * real.h (dconstpi): Delete.
14567 (dconstsqrt2): New.
14568 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
14569 (fold_builtin_hypot): Likewise.
14570
14571 2007-02-03 Tom Tromey <tromey@redhat.com>
14572
14573 PR driver/30246
14574 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
14575 -gcoff3, -gxcoff3, -gvms3 implies -dD.
14576
14577 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
14578
14579 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
14580 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
14581 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
14582 config/rs6000/cell.md, config/rs6000/darwin.h,
14583 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
14584 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
14585 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
14586 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
14587 typos. Follow spelling conventions.
14588 * doc/invoke.texi: Follow spelling conventions.
14589
14590 2007-02-03 Roger Sayle <roger@eyesopen.com>
14591
14592 * simplify-rtx.c (simplify_relational_operation_1): Implement some
14593 canonicalization transformations that attempt to simplify integer
14594 constant comparisons to become comparisons against zero.
14595
14596 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14597
14598 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
14599 fabs(x)*sqrt(2).
14600 * fold-const.c (fold_binary): Fix comment typos. Fold complex
14601 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
14602
14603 2007-02-02 Mike Stump <mrs@apple.com>
14604
14605 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
14606 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
14607 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
14608 generate a branch island.
14609
14610 2007-02-02 Bob Wilson <bob.wilson@acm.org>
14611
14612 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
14613 (xtensa_legitimate_address_p): New.
14614 (xtensa_legitimize_address): New.
14615 (xtensa_output_addr_const_extra): New.
14616 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
14617 (BASE_REG_P): New.
14618 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
14619 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
14620 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
14621 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
14622 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
14623 (xtensa_legitimize_address): New.
14624 (xtensa_output_addr_const_extra): New.
14625
14626 2007-02-02 Steve Ellcey <sje@cup.hp.com>
14627
14628 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
14629
14630 2007-02-02 Ian Lance Taylor <iant@google.com>
14631
14632 * expmed.c (expand_divmod): Add comment.
14633
14634 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
14635
14636 * emit-rtl.c (renumber_insns): Remove.
14637 * flags.h: Remove the extern for flag_renumber_insns.
14638 * rtl.h: Remove the prototype for renumber_insns.
14639 * toplev.c (flag_renumber_insns): Remove.
14640
14641 2007-02-02 Hui-May Chang <hm.chang@apple.com>
14642
14643 Revert for x86 darwin:
14644 2005-06-19 Uros Bizjak <uros@kss-loka.si>
14645
14646 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
14647 code before the following patch under TARGET_MACHO.
14648 (ix86_function_value_regno_p): Likewise.
14649
14650 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14651
14652 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
14653 COMPLEX_EXPR.
14654
14655 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14656
14657 PR target/29682
14658 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
14659 general or fp registers. Add comments.
14660 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
14661
14662 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
14663
14664 * pointer-set.c (insert_aux): Only return insertion slot.
14665 (pointer_set_insert): Adjust.
14666 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
14667 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
14668 pointer_map_traverse): New.
14669 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
14670 pointer_map_create, pointer_map_destroy, pointer_map_insert,
14671 pointer_map_contains, pointer_map_traverse): Declare.
14672
14673 2007-02-02 Jakub Jelinek <jakub@redhat.com>
14674
14675 PR middle-end/30473
14676 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
14677 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
14678
14679 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14680
14681 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
14682
14683 (struct _dep): New type.
14684 (dep_t): New typedef.
14685 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
14686 (DEP_STATUS): New access macro. The macro with the same name was
14687 renamed to DEP_LINK_STATUS.
14688 (dep_init): Declare function
14689
14690 (struct _dep_link): New type.
14691 (dep_link_t): New typedef.
14692 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
14693 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
14694 (DEP_LINK_STATUS): New macro.
14695 (debug_dep_links): New debug function.
14696
14697 (struct _deps_list): New type.
14698 (deps_list_t): New typedef.
14699 (DEPS_LIST_FIRST): New access macro.
14700 (FOR_EACH_DEP_LINK): New cycle macro.
14701 (create_deps_list, free_deps_list, delete_deps_list): Declare
14702 functions.
14703 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
14704 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
14705 (copy_deps_list_change_con): Ditto.
14706
14707 (move_dep_link): Declare function.
14708
14709 (struct _dep_node): New type.
14710 (dep_node_t): New typedef.
14711 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
14712
14713 (struct haifa_insn_data.back_deps): New field to hold backward
14714 dependencies of the insn.
14715 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
14716 to deps_list_t.
14717 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
14718 Change its type to deps_list_t.
14719 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
14720 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
14721 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
14722
14723 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
14724
14725 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
14726
14727 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
14728 all callers.
14729 (dep_cost): Declare.
14730
14731 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
14732 (ds_to_dk, dk_to_ds): New functions.
14733
14734 (init_dep_1): New static function.
14735 (init_dep): New function.
14736 (copy_dep): New static function.
14737
14738 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
14739 functions.
14740 (detach_dep_link): New static function.
14741 (move_dep_link): New function.
14742
14743 (dep_links_consistent_p, dump_dep_links): New static functions.
14744 (debug_dep_links): New debugging function.
14745
14746 (deps_obstack, dl_obstack, dn_obstack): New static variables.
14747
14748 (alloc_deps_list, init_deps_list): New static functions.
14749 (create_deps_list): New function.
14750 (clear_deps_list): New static function.
14751 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
14752 (deps_list_consistent_p, dump_deps_list): New static functions.
14753 (debug_deps_list): New function.
14754 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
14755 functions.
14756 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
14757
14758 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
14759 use new scheduler dependencies lists.
14760 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
14761 (sched_analyze): Ditto. Initialize dependencies lists.
14762 (add_forw_dep, compute_forward_dependences): Update to use new
14763 scheduler dependencies lists.
14764
14765 (init_dependency_caches): Init deps_obstack.
14766 (free_dependency_caches): Free deps_obstack.
14767
14768 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
14769 new scheduler dependencies lists.
14770 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
14771 (add_back_forw_dep, delete_back_forw_dep): Ditto.
14772
14773 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
14774 Update to use new scheduler dependencies lists.
14775 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
14776 (debug_dependencies): Ditto.
14777 (schedule_region): Update comments.
14778
14779 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
14780 scheduler dependencies lists.
14781 (schedule_ebb): Update comments.
14782
14783 * rtl.def (DEPS_LIST): Remove.
14784
14785 * lists.c (unused_deps_list): Remove.
14786 (free_list): Update assertions.
14787
14788 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
14789 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14790
14791 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
14792 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14793
14794 * haifa-sched.c (comments): Update.
14795 (insn_cost1): Remove. Inline the code into insn_cost ().
14796 (insn_cost): Update to use new scheduler dependencies lists. Move
14797 processing of the dependency cost to dep_cost ().
14798 (dep_cost): New function. Use it instead of insn_cost () when
14799 evaluating cost of the dependency. Use compatible interface to
14800 interact with the target.
14801 (priority): Update to use new scheduler dependencies lists.
14802 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
14803 with greater number of insns that depend on the insn.
14804 (schedule_insn): Update to use new scheduler dependencies lists. Add
14805 code to free backward dependencies lists. Inline and optimize code
14806 from resolve_dep () - see PR28071.
14807 (ok_for_early_queue_removal): Update to use new scheduler dependencies
14808 lists. Update call to targetm.sched.is_costly_dependence hook.
14809
14810 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
14811 scheduler dependencies lists.
14812
14813 (resolve_dep): Remove. Move the logic to schedule_insn ().
14814 (init_h_i_d): Initialize dependencies lists.
14815
14816 (process_insn_depend_be_in_spec): Rename to
14817 process_insn_forw_deps_be_in_spec. Update to use new scheduler
14818 dependencies lists.
14819 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
14820 Update to use new scheduler dependencies lists.
14821 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
14822
14823 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
14824 new scheduler dependencies lists.
14825 (build_intra_loop_deps): Ditto.
14826
14827 * target.h (struct _dep): Declare to use in
14828 gcc_target.sched.is_costly_dependence.
14829 (struct gcc_target.sched.adjust_cost): Fix typo.
14830 (struct gcc_target.sched.is_costly_dependence): Change signature to use
14831 single dep_t parameter instead of an equivalent triad.
14832 (struct gcc_target.sched.adjust_cost_2): Remove.
14833
14834 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
14835
14836 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
14837
14838 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
14839 documentation.
14840 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
14841
14842 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
14843 (REG_DEP_TRUE): Document.
14844
14845 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
14846 Change signature to correspond to the targetm.sched.adjust_cost hook.
14847 Update use in TARGET_SCHED_ADJUST_COST_2.
14848 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
14849 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
14850 new scheduler dependencies lists.
14851 (ia64_gen_check): Ditto.
14852
14853 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
14854 dependencies lists.
14855
14856 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
14857 signature to correspond to the targetm.sched.is_costly_dependence hook.
14858 (is_costly_group): Update to use new scheduler dependencies lists.
14859
14860 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
14861 instead of INSN_COST () macro.
14862
14863 2007-02-01 Ian Lance Taylor <iant@google.com>
14864
14865 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
14866
14867 2007-02-01 Guy Martin <gmsoft@gentoo.org>
14868
14869 * pa.md (tp_load): Correct mfctl instruction syntax.
14870
14871 2007-02-01 Geoffrey Keating <geoffk@apple.com>
14872
14873 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
14874 altivec_padding_size calculation on AIX. Improve comment, add
14875 assert to verify that it's right.
14876
14877 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
14878 64-bit.
14879
14880 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
14881
14882 PR inline-asm/28686
14883 * global.c (global_alloc): Add mising initialization of
14884 ELIMINABLE_REGSET.
14885
14886 2007-02-01 Roger Sayle <roger@eyesopen.com>
14887
14888 * alias.c (init_alias_analysis): Correct whitespace.
14889 * bb-reorder.c (fix_edges_for_rarely_executed_code,
14890 partition_hot_cold_basic_blocks): Likewise.
14891 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
14892 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
14893 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
14894 fold_builtin_snprintf_chk, fold_builtin_printf,
14895 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
14896 do_mpfr_arg3, do_mpfr_sincos): Likewise.
14897 * cfgcleanup.c (cleanup_cfg): Likewise.
14898 * cfgexpand.c (tree_expand_cfg): Likewise.
14899 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
14900 * function.c (get_next_funcdef_no): Likewise.
14901 * gengtype.c (main): Likewise.
14902 * genmodes.c (main): Likewise.
14903 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
14904 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
14905 * ifcvt.c (noce_emit_move_insn): Likewise.
14906 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
14907 Likewise.
14908 * stor-layout.c (get_best_mode): Likewise.
14909 * tree-ssa-loop-niter.c (get_val_for): Likewise.
14910 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
14911 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
14912 perform_var_substitution, solve_graph): Likewise.
14913 * tree-vrp.c (vrp_finalize): Likewise.
14914
14915 2007-02-01 Ian Lance Taylor <iant@google.com>
14916
14917 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
14918 high part of a paradoxical subreg, return a constant zero.
14919
14920 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
14921
14922 * toplev.c (lang_dependent_init): Call init_set_costs.
14923 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
14924
14925 2007-02-01 Richard Guenther <rguenther@suse.de>
14926
14927 PR middle-end/30656
14928 * fold-const.c (fold_negate_expr): Allow negating a
14929 constant if overflow does not change.
14930
14931 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14932
14933 * doc/c-tree.texi (Expression trees): Improve markup.
14934 * doc/tm.texi (Register Classes, Addressing Modes)
14935 (Floating Point): Fix spacing after abbreviations. Fix some
14936 typos.
14937
14938 2007-02-01 Ben Elliston <bje@au.ibm.com>
14939
14940 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
14941 * doc/contrib.texi: Likewise.
14942 * doc/install.texi: Likewise.
14943
14944 2007-01-31 Richard Henderson <rth@redhat.com>
14945 Ian Lance Taylor <iant@google.com>
14946
14947 * lower-subreg.c: New file.
14948 * rtl.def (CONCATN): Define.
14949 * passes.c (init_optimization_passes): Add pass_lower_subreg and
14950 pass_lower_subreg2.
14951 * emit-rtl.c (update_reg_offset): New static function, broken out
14952 of gen_rtx_REG_offset.
14953 (gen_rtx_REG_offset): Call update_reg_offset.
14954 (gen_reg_rtx_offset): New function.
14955 * regclass.c: Revert patch of 2006-03-05, restoring
14956 reg_scan_update.
14957 (clear_reg_info_regno): New function.
14958 * dwarf2out.c (concatn_loc_descriptor): New static function.
14959 (loc_descriptor): Handle CONCATN.
14960 * common.opt (fsplit_wide_types): New option.
14961 * opts.c (decode_options): Set flag_split_wide_types when
14962 optimizing.
14963 * timevar.def (TV_LOWER_SUBREG): Define.
14964 * rtl.h (gen_reg_rtx_offset): Declare.
14965 (reg_scan_update): Declare.
14966 * regs.h (clear_reg_info_regno): Declare.
14967 * tree-pass.h (pass_lower_subreg): Declare.
14968 (pass_lower_subreg2): Declare.
14969 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
14970 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
14971 -fsplit-wide-types.
14972 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
14973 * Makefile.in (OBJS-common): Add lower-subreg.o.
14974 (lower-subreg.o): New target.
14975
14976 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14977
14978 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
14979
14980 2007-01-31 Anatoly Sokolov <aesok@post.ru>
14981
14982 PR target/19087
14983 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
14984
14985 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14986
14987 PR middle-end/29335
14988 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
14989
14990 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
14991
14992 * cfgloop.h: Include vec-prim.h.
14993 (enum li_flags): Remove LI_ONLY_OLD.
14994 (loop_iterator): Changed.
14995 (fel_next, fel_init): Iterate over loop tree.
14996 (FOR_EACH_LOOP_BREAK): New macro.
14997 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
14998 FOR_EACH_LOOP.
14999 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
15000 * modulo-sched.c (sms_schedule): Ditto.
15001 * tree-vectorizer.c (vectorize_loops): Ditto.
15002 * doc/loop.texi: Update information on loop numbering and behavior of
15003 FOR_EACH_LOOP wrto new loops.
15004 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
15005 add_to_evolution_1): Test nestedness of loops instead of comparing
15006 their numbers.
15007 * tree-chrec.c (chrec_fold_plus_poly_poly,
15008 chrec_fold_multiply_poly_poly, chrec_evaluate,
15009 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
15010 reset_evolution_in_loop): Ditto.
15011 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
15012
15013 2007-01-31 Dirk Mueller <dmueller@suse.de>
15014
15015 * c-common.c (warn_about_parentheses): Separate warning about
15016 un-parenthized sequence of comparison operators from the one
15017 which is supposed to warn about x <= y <= z.
15018
15019 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
15020
15021 * optabs.h (enum optab_index): Add new OTI_isinf.
15022 (isinf_optab): Define corresponding macro.
15023 * optabs.c (init_optabs): Initialize isinf_optab.
15024 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
15025 patterns.
15026 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
15027 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
15028 using isinf_optab.
15029 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
15030 expand_builtin_interclass_mathfn.
15031 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
15032 * config/i386/i386.md (UNSPEC_FXAM): New constant.
15033 (fxam<mode>2_i387): New insn pattern.
15034 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
15035 built-in functions as x87 inline asm.
15036
15037 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15038
15039 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
15040
15041 2007-01-30 Eric Christopher <echristo@apple.com>
15042
15043 * config.gcc: Add geode.
15044
15045 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15046
15047 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
15048 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
15049 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
15050 value-prof.c: Fix comment typos.
15051
15052 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15053
15054 PR c++/24745
15055 * doc/invoke.texi (Wpointer-arith): Document warning.
15056
15057 2007-01-30 Janis Johnson <janis187@us.ibm.com>
15058
15059 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
15060 the list of discrepancies from the draft TR.
15061
15062 2007-01-30 Dirk Mueller <dmueller@suse.de>
15063
15064 PR c++/30601
15065 * doc/invoke.texi (-Wreturn-type): Update description to
15066 match new behavior.
15067
15068 2007-01-30 Richard Sandiford <richard@codesourcery.com>
15069
15070 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
15071
15072 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
15073
15074 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
15075 to handle optabs that operate on floating point input argument and
15076 output to integer output.
15077 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
15078 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
15079 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
15080 expand_builtin_interclass_mathfn ().
15081 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
15082 (ilogbsi2): Remove.
15083 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
15084 ilogbl built-in functions as x87 intrinsics.
15085
15086 2007-01-30 Richard Guenther <rguenther@suse.de>
15087
15088 PR middle-end/27657
15089 * dwarf2out.c (reference_to_unused): Query varpool if the
15090 variable was output.
15091
15092 2007-01-30 Richard Guenther <rguenther@suse.de>
15093
15094 PR middle-end/30313
15095 * passes.c (execute_one_pass): Reset in_gimple_form to not
15096 confuse non-unit-at-a-time mode.
15097
15098 2007-01-29 Roger Sayle <roger@eyesopen.com>
15099 Richard Guenther <rguenther@suse.de>
15100
15101 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
15102 avoid undefined behaviour on overflow. Use force_fit_type_double
15103 to construct the constant with the specified TREE_OVERFLOW.
15104
15105 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15106
15107 * config/dfp-bit.c: Add parameterized support for fp exceptions.
15108 * config/dfp-bit.h: Ditto.
15109
15110 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15111
15112 * c-decl.c (pop_scope): Replace warnings with call to
15113 warn_for_unused_label.
15114 * c-common.h (warn_for_unused_label): Declare.
15115 * c-common.c (warn_for_unused_label): Define.
15116
15117 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15118
15119 * tree-optimize.c (update_inlined_to_pointers): Delete unused
15120 function.
15121
15122 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15123
15124 * Makefile.in (USER_H): Remove decfloat.h.
15125 * ginclude/decfloat.h: Delete, moving contents to ...
15126 * ginclude/float.h: Add support for decimal floating point,
15127 guarded by __STDC_WANT_DEC_FP__.
15128
15129 2007-01-29 Mike Stump <mrs@apple.com>
15130
15131 * doc/gccint.texi (Top): Rename Loop Representation to Loop
15132 Analysis and Representation to resolve case insensitive conflict.
15133 * doc/loop.texi (Loop Analysis and Representation): Likewise.
15134
15135 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
15136
15137 * tree.h (struct tree_memory_tag): Add aliases member.
15138 (MTAG_ALIASES): New macro.
15139 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
15140 (add_may_alias): Remove pointer-set. Update for may_aliases being
15141 a bitmap.
15142 (mark_aliases_call_clobbered): Update for may_aliases being a
15143 bitmap.
15144 (compute_tag_properties): Ditto.
15145 (create_partition_for): Ditto.
15146 (compute_memory_partitions): Ditto.
15147 (dump_may_aliases_for): Ditto.
15148 (is_aliased_with): Ditto.
15149 (add_may_alias_for_new_tag): Ditto.
15150 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
15151 (compute_is_aliased): New function.
15152 (compute_may_aliases): Call compute_is_aliased).
15153 (init_alias_info): Initialize alias_bitmap_obstack.
15154 (union_alias_set_into): New function.
15155 (compute_flow_sensitive_aliasing): Use union_aliases_into.
15156 (have_common_aliases_p): Rewrite to take two bitmaps and use
15157 intersection.
15158 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
15159 Update for bitmaps.
15160 (finalize_ref_all_pointers): Update for add_may_alias changes.
15161 (new_type_alias): Ditto.
15162 * tree-flow-inline.h (may_aliases): Return a bitmap.
15163 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
15164 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
15165 may_aliases being a bitmap.
15166 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
15167 may_aliases now returns a bitmap.
15168 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
15169 being a bitmap.
15170 * tree-ssa-operands.c (add_virtual_operand): Update for
15171 may_aliases being a bitmap.
15172
15173 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
15174
15175 PR tree-optimization/30630
15176 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
15177 variable as changed.
15178
15179 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
15180
15181 PR c++/28266
15182 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
15183 expanded only once even if an error occurs.
15184
15185 2007-01-29 Ben Elliston <bje@au.ibm.com>
15186
15187 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
15188 (__gcov_average_profiler): Likewise.
15189 (__gcov_ior_profiler): Likewise.
15190 (__gcov_merge_ior): Likewise.
15191
15192 2007-01-28 Jan Hubicka <jh@suse.cz>
15193
15194 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
15195 * value-prof.c (stringop_block_profile): Likewise.
15196
15197 2007-01-28 Jan Hubicka <jh@suse.cz>
15198
15199 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
15200 variant handling histograms; add wrapper.
15201 (clear_storage_via_libcall): Export.
15202 (emit_block_move_hints): Break out from ...; add histograms.
15203 (emit_block_move): ... this one.
15204 (clear_storage_hints): Break out from ...; add histograms.
15205 (clear_storage): ... this one.
15206 (set_storage_via_memset): Handle histogram.
15207 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
15208 (clear_storage_hints, clear_storage_via_libcall): Declare.
15209 (set_storage_via_setmem): Update prototype.
15210 * doc/md.texi (movmem, setmem): Document new arguments.
15211
15212 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
15213 new histograms.
15214 (stringop_block_profile): New global function.
15215 (tree_stringops_values_to_profile): Profile block size and alignment.
15216 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
15217 HIST_TYPE_IOR.
15218 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
15219 (stringop_block_profile): Declare.
15220 * builtins.c: Include value-prof.h.
15221 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
15222 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
15223 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
15224 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
15225 * profile.c (instrument_values): Add new counters.
15226 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
15227 calls.
15228 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
15229 (tree_init_edge_profiler): Build new profilers.
15230 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
15231 (pass_tree_profile): Add dump.
15232 (tree_profile_hooks): Update.
15233 * Makefile.in (LIBGCOV): Add new constants.
15234 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
15235 __gcov_ior_profiler): New.
15236 * i386.md (movmem/setmem expanders): Add new optional arguments.
15237
15238 2007-01-28 David Edelsohn <edelsohn@gnu.org>
15239
15240 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
15241
15242 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15243
15244 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
15245 (tree_unswitch_single_loop): Pass eni_size_weights to
15246 tree_num_loop_insns.
15247 * tree-ssa-loop-manip.c: Include tree-inline.h.
15248 (can_unroll_loop_p): Pass eni_size_weights to
15249 tree_num_loop_insns.
15250 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
15251 Pass eni_size_weights to estimate_num_insns.
15252 * tree.h (init_inline_once): Export.
15253 * toplev.c (backend_init): Call init_inline_once.
15254 * cgraphunit.c (cgraph_process_new_functions,
15255 cgraph_analyze_function): Pass eni_inlining_weights to
15256 estimate_num_insns.
15257 * ipa-inline.c (compute_inline_parameters): Ditto.
15258 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
15259 to estimate_num_insns.
15260 (try_unroll_loop_completely): Pass eni_size_weights to
15261 tree_num_loop_insns.
15262 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
15263 ot estimate_num_insns.
15264 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
15265 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
15266 * tree-inline.c (eni_inlining_weights, eni_size_weights,
15267 eni_time_weights): New variables.
15268 (init_inline_once): Initialize them.
15269 (struct eni_data): Mew.
15270 (estimate_num_insns_1, estimate_num_insns): Use weights.
15271 * tree-inline.h (struct eni_weights_d): New.
15272 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
15273 (estimate_num_insns): Declaration changed.
15274 * cfgloop.h (tree_num_loop_insns): Declaration changed.
15275 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
15276 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
15277
15278 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15279
15280 * tree-data-ref.c (conflict_fn): Assert that the number of affine
15281 relations in the conflict function is valid.
15282
15283 2007-01-27 Ian Lance Taylor <iant@google.com>
15284
15285 * common.opt: Add fstrict-overflow.
15286 * opts.c (decode_options): Set flag_strict_overflow if -O2.
15287 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
15288 (TYPE_OVERFLOW_UNDEFINED): Define.
15289 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
15290 Replace all uses.
15291 * tree.h (TYPE_TRAP_SIGNED): Don't define.
15292 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
15293 (fold_negate_expr): Likewise.
15294 (make_range): Likewise.
15295 (extract_muldiv_1): Likewise.
15296 (maybe_canonicalize_comparison): Likewise.
15297 (fold_comparison): Likewise.
15298 (fold_binary): Likewise.
15299 (tree_expr_nonnegative_p): Likewise.
15300 (tree_expr_nonzero_p): Likewise.
15301 * tree-vrp.c (compare_values): Likewise.
15302 (extract_range_from_binary_expr): Likewise.
15303 (extract_range_from_unary_expr): Likewise.
15304 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
15305 Likewise.
15306 (nowrap_type_p): Likewise.
15307 * tree-scalar-evolution.c (simple_iv): Likewise.
15308 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
15309 (build_range_check): Likewise.
15310 (extract_muldiv_1): Likewise.
15311 (fold_comparison): Likewise.
15312 * tree-vrp.c (vrp_int_const_binop): Likewise.
15313 (extract_range_from_unary_expr): Likewise.
15314 * convert.c (convert_to_integer): Likewise.
15315 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
15316 (fold_comparison): Likewise.
15317 (fold_binary): Likewise.
15318 * optabs.c (optab_for_tree_code): Likewise.
15319 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
15320 * simplify-rtx.c (simplify_const_relational_operation): Check
15321 flag_strict_overflow and flag_trapv.
15322 (simplify_const_relational_operation): Likewise.
15323 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
15324 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
15325 -fstrict-overflow.
15326
15327 2007-01-27 Roger Sayle <roger@eyesopen.com>
15328
15329 * tree.c (tree_fold_gcd): Delete.
15330 * tree.h (tree_fold_gcd): Remove prototype.
15331 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
15332 test whether one constant integer is a multiple of another. Instead
15333 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
15334 * fold-const.c (multiple_of_p): We've determined both TOP and
15335 BOTTOM are integer constants so we can call int_const_binop directly
15336 instead of the more generic const_binop.
15337
15338 2007-01-27 Roger Sayle <roger@eyesopen.com>
15339
15340 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
15341 1*X check that the constant hasn't overflowed, to preserve the
15342 TREE_OVERFLOW bit.
15343 (round_up): Provide an efficient implementation when rouding-up an
15344 INTEGER_CST to a power-of-two.
15345
15346 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15347
15348 * doc/sourcebuild.texi: Add comma for clarity.
15349 * doc/extend.texi: Fix some typos.
15350 * doc/passes.texi: Likewise.
15351 * doc/cppinternals.texi: Likewise.
15352 * doc/c-tree.texi: Likewise.
15353 * doc/tree-ssa.texi: Likewise.
15354 * doc/install.texi: Likewise.
15355
15356 2007-01-27 Jan Hubicka <jh@suse.cz>
15357
15358 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
15359 (pass_sra): Do not require alias information.
15360 * passes.c (init_optimization_passes): Add SRA
15361
15362 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
15363
15364 * tracer.c (rest_of_handle_tracer): We already cleaned
15365 up the CFG in tracer() so don't do it here again.
15366 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
15367 cleanup_cfg here, either. And don't call renumber_insns.
15368
15369 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
15370 and BB_HEAD are in the insn stream here. Instead make sure
15371 that BB_INSN is valid on all insns. Also, do check here that
15372 there are no pending branch predictions...
15373 (rtl_verify_flow_info): ...instead of doing it here. Checks
15374 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
15375 here.
15376
15377 2007-01-26 Roger Sayle <roger@eyesopen.com>
15378
15379 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
15380 function to simplify/factorize operand order canonicalization.
15381 (ix86_fixup_binary_operands): Reorganize using the above function.
15382 (ix86_binary_operator_ok): Likewise.
15383
15384 2007-01-27 Jakub Jelinek <jakub@redhat.com>
15385
15386 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
15387 file scope from optimize_attrs.
15388 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
15389 up search.
15390 (optimize_attrs): Clear insn_code_values after freeing it.
15391
15392 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15393
15394 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
15395 a parts.base assignment.
15396
15397 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15398
15399 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
15400 (compute_subscript_distance, initialize_data_dependence_relation,
15401 finalize_ddr_dependent, analyze_ziv_subscript,
15402 analyze_siv_subscript_cst_affine,
15403 compute_overlap_steps_for_affine_univar,
15404 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
15405 analyze_siv_subscript, analyze_miv_subscript,
15406 analyze_overlapping_iterations, subscript_dependence_tester_1,
15407 compute_self_dependence, free_dependence_relation): Work
15408 with affine_fn instead of chrecs.
15409 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
15410 common_affine_function, affine_function_base,
15411 affine_function_constant_p, affine_fn_op, affine_fn_plus,
15412 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
15413 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
15414 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
15415 (all_chrecs_equal_p): Removed.
15416 * tree-data-ref.h (affine_fn, conflict_function): New types.
15417 (struct subscript): Change type of conflicting_iterations_in_a
15418 and conflicting_iterations_in_b.
15419
15420 2007-01-26 Steve Ellcey <sje@cup.hp.com>
15421
15422 PR other/30182
15423 * config/pa/pa.h (TARGET_HPUX_11): New.
15424 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
15425 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
15426
15427 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
15428 Richard Guenther <rguenther@suse.de>
15429
15430 * tree-ssa-structalias.c (solve_graph): Handle case
15431 we merged the variable to another.
15432
15433 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15434
15435 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
15436 functions.
15437
15438 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
15439 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
15440
15441 2007-01-25 DJ Delorie <dj@redhat.com>
15442
15443 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
15444 allow changes to modes which don't fit in those registers.
15445
15446 * reload1.c (choose_reload_regs): Check for invalid subregs before
15447 computing their locations, not after.
15448
15449 2007-01-25 Geoffrey Keating <geoffk@apple.com>
15450
15451 PR 25127
15452 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
15453 save Altivec registers in an eh_return function.
15454 (compute_vrsave_mask): Likewise.
15455 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
15456 for saving Altivec registers.
15457 (rs6000_emit_prologue): Don't allocate stack twice in
15458 eh_return function. Correct expected value of altivec_save_offset
15459 when using save_world. Describe save of R0 to stack when using
15460 save_world. Describe stack pointer adjustment when using
15461 save_world. Remove duplicated eh_return parameter register saving.
15462 Update sp_offset variable after save_world.
15463 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
15464 darwin-world.asm.
15465 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
15466 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
15467 implies Altivec.
15468
15469 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15470
15471 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
15472
15473 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15474
15475 PR other/30182
15476 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
15477 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
15478
15479 2007-01-25 Richard Guenther <rguenther@suse.de>
15480
15481 * doc/invoke.texi (-Wcoverage-mismatch): Document.
15482 * common.opt (-Wcoverage-mismatch): New warning option.
15483 * coverage.c (get_coverage_counts): Ignore coverage mismatch
15484 if -Wcoverage-mismatch is given.
15485
15486 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
15487
15488 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
15489 (ipcp_driver): Change to static definition.
15490 Add dumping of the ifunctions.
15491 (constant_val_insert): Remove unused parameter. Support for SSA.
15492 (ipcp_propagate_const): Support for SSA.
15493 (ipcp_profile_bb_print): Print only analyzed nodes.
15494 (ipcp_replace_map_create): Remove support for Fortran constant
15495 for now.
15496 * ipa-prop.c (ipa_method_modify_stmt,
15497 ipa_callsite_compute_param): Support for SSA.
15498 * ipa-prop.h (ipcp_driver): Remove declaration.
15499 (IS_VALID_TREE_MAP_INDEX): Add define.
15500
15501 2007-01-24 Geoffrey Keating <geoffk@apple.com>
15502
15503 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
15504
15505 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15506
15507 PR middle-end/30447
15508 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
15509 constant argument to cabs and do it without checking for
15510 -funsafe-math-optimizations.
15511
15512 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
15513
15514 * c-common.h (RID_FIRST_CXX0X): New.
15515 (RID_LAST_CXX0X): New.
15516 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
15517 by -Wall.
15518 * c.opt (Wc++0x-compat): New.
15519 * doc/invoke.texi (-Wc++0x-compat): Document.
15520
15521 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15522
15523 * builtins.c (fold_builtin_carg): New.
15524 (fold_builtin_1): Use it.
15525
15526 2007-01-24 Jan Hubicka <jh@suse.cz>
15527
15528 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
15529
15530 * ipa-inline.c (initial_insns, max_insns): Delete.
15531 (compute_max_insns): New function.
15532 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
15533 of insns as base for code growth.
15534 (cgraph_decide_inlining): Make initial_insns local; do not compute
15535 max_insns.
15536 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
15537 * doc/invoke.texi (inline-unit-growth): Update docs.
15538
15539 2007-01-24 Jakub Jelinek <jakub@redhat.com>
15540
15541 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
15542 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
15543 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
15544 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
15545 for CPUs that have PTA_CX16 set.
15546
15547 PR middle-end/27416
15548 * gimplify.c (omp_check_private): New function.
15549 (gimplify_scan_omp_clauses): Use it for
15550 firstprivate/lastprivate/reduction.
15551
15552 PR middle-end/30494
15553 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
15554 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
15555
15556 PR middle-end/30421
15557 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
15558 If lower_lastprivate_clauses emits some statements, append them
15559 to dlist rather than body_p and to body_p append an initializer.
15560 (lower_omp_for): Adjust caller.
15561
15562 2007-01-24 Steve Ellcey <sje@cup.hp.com>
15563
15564 * target.h (globalize_decl_name): New.
15565 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15566 * output.h (default_globalize_decl_name): New.
15567 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
15568 globalize_label.
15569 (globalize_decl): Ditto.
15570 (default_globalize_decl_name): New.
15571 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
15572 (ia64_handle_version_id_attribute): New.
15573 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15574 (ia64_asm_output_external): Use globalize_decl_name instead
15575 of globalize_label.
15576 * doc/extend.texi (version_id): New pragma.
15577 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
15578
15579 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15580
15581 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
15582 _uleb128_t and _Unwind_SWord with _sleb128_t.
15583 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
15584 uw_frame_state_for, uw_update_context_1): Likewise.
15585 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
15586 * unwind-pe.h (read_uleb128, read_sleb128,
15587 read_encoded_value_with_base): Likewise.
15588 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
15589
15590 2007-01-24 Richard Guenther <rguenther@suse.de>
15591
15592 * builtins.c (expand_builtin_cexpi): Get the fndecl
15593 for cexp in the correct way.
15594
15595 2007-01-24 Jan Hubicka <jh@suse.cz>
15596
15597 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
15598
15599 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15600
15601 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
15602 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
15603 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
15604 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
15605 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
15606 __SIZEOF_PTRDIFF_T__.
15607 * doc/cpp.texi: Documentation for the new builtin macros added.
15608
15609 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
15610
15611 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
15612 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
15613 instead of operands[2] to avoid access past the end of array.
15614
15615 2007-01-24 Richard Sandiford <richard@codesourcery.com>
15616
15617 * reload1.c (emit_reload_insns): Pass the reload register
15618 for a non-spill output reload through forget_old_reloads_1.
15619
15620 2007-01-23 Joseph Myers <joseph@codesourcery.com>
15621
15622 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
15623 _SOFT_DOUBLE if doubles use software floating-point.
15624 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
15625 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15626 * config/rs6000/darwin-ldouble.c: Also compile functions for
15627 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
15628 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15629 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
15630 commented-out long double override.
15631 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
15632 * config/rs6000/eabispe.h: Likewise.
15633 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
15634 long double for non-SPE.
15635 (rs6000_handle_option): Likewise.
15636 (invalid_e500_subreg): Disallow more subregs involding DImode,
15637 DFmode, TImode or TFmode.
15638 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
15639 E500 double.
15640 (legitimate_lo_sum_address_p): Also check for TFmode for E500
15641 double.
15642 (rs6000_legitimize_address): Also handle TFmode for E500 double.
15643 (rs6000_legitimize_reload_address): Also handle TFmode for E500
15644 double.
15645 (rs6000_legitimate_address): Also check for TFmode for E500
15646 double.
15647 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
15648 (spe_build_register_parallel): Handle TFmode and TCmode.
15649 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
15650 double.
15651 (function_arg): Handle TFmode and TCmode for E500 double.
15652 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
15653 in general.
15654 (print_operand): Handle TFmode and TImode for %y.
15655 (rs6000_generate_compare): Handle TFmode comparisons for E500
15656 double.
15657 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
15658 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
15659 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
15660 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
15661 TFmode for E500 double.
15662 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
15663 (floatsidf2): Enable for E500 double.
15664 (movtf_softfloat): Use rs6000_nonimmediate_operand.
15665 (extenddftf2): Change to extenddftf2_fprs.
15666 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
15667 depending on TARGET_E500_DOUBLE.
15668 (extendsftf2): Enable for E500 double.
15669 (trunctfdf2): Enable for E500 double.
15670 (trunctfsf2): Change to trunctfsf2_fprs.
15671 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
15672 depending on TARGET_E500_DOUBLE.
15673 (floatsitf2): Enable for E500 double.
15674 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
15675 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
15676 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
15677 (negtf2): Change to negtf2_internal.
15678 (negtf2): New expander.
15679 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
15680 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
15681 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
15682 (movdi_internal32): Use rs6000_nonimmediate_operand.
15683 (unnamed splitter): Likewise.
15684 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
15685 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
15686 (SPE64TF, DITI): New mode macros.
15687 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
15688 modes.
15689 (frob_tf_ti): New.
15690 (frob_<mode>_di_2): New.
15691 (frob_tf_di_8_2): New.
15692 (frob_di_df): Change to frob_di_<mode>; allow more modes.
15693 (frob_ti_tf): New.
15694 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
15695 more modes.
15696 (frob_ti_<mode>_8_2): New.
15697 (frob_ti_tf_2): New.
15698 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
15699 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
15700 TFmode.
15701 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
15702 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
15703 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
15704 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
15705 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
15706 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
15707 tsttflt_gp): New.
15708
15709 2007-01-23 Ian Lance Taylor <iant@google.com>
15710
15711 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
15712 insn-*.o first.
15713 (OBJS-archive): Reformat, alphabetize.
15714 (OBJS): Change out_object_file to OBJS-md.
15715
15716 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
15717
15718 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
15719 JUMP_P and CALL_P predicates where applicable.
15720 * config/i386/i386.c: Ditto.
15721 * config/i386/i386.md: Ditto.
15722 * config/i386/mmx.md: Ditto.
15723 * config/i386/predicates.md: Ditto.
15724
15725 2007-01-22 Andreas Schwab <schwab@suse.de>
15726
15727 * config/m68k/m68k.h: Fix comment.
15728
15729 2007-01-22 Jan Hubicka <jh@suse.cz>
15730
15731 * passes.c (init_optimization_passes): Do not rerun
15732 pass_early_warn_uninitialized.
15733
15734 2007-01-22 Richard Guenther <rguenther@suse.de>
15735
15736 PR tree-optimization/30038
15737 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
15738 function.
15739 (execute_cse_sincos_1): Likewise.
15740 (execute_cse_sincos): Likewise.
15741 (gate_cse_sincos): Likewise.
15742 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
15743 the cexpi() canonicalization of sincos().
15744 * tree-pass.h (pass_cse_sincos): Declare.
15745 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
15746
15747 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15748
15749 PR rtl-optimization/29329
15750 * combine.c (replaced_rhs_insn): Rename to i2mod.
15751 (replaced_rhs_value): Rename to i2mod_new_rhs.
15752 (i2mod_old_rhs): New global variable.
15753 (combine_instructions): Adjust for above change. Save a copy of
15754 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
15755 note are substituted in the second instruction.
15756 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
15757 ditch the note if it pertains to the second eliminated register
15758 and this register is mentioned in i2mod_old_rhs.
15759
15760 Revert:
15761 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
15762
15763 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
15764 the insn to which the note was originally attached.
15765
15766 2007-01-21 Jan Hubicka <jh@suse.cz>
15767
15768 * ipa-inline.c (inlining_mode): Comment, move up.
15769 (cgraph_decide_inlining_incrementally): Do not perform inlining
15770 itself; fix handling of flattening of self recursive functions.
15771 (cgraph_find_cycles): Remove.
15772 (cgraph_flatten_node): Remove.
15773 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
15774 (try_inline): New function.
15775 (cgraph_early_inlining): Update call of
15776 cgraph_decide_inlining_incrementally. Apply inlining here.
15777 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
15778
15779 2007-01-21 Dirk Mueller <dmueller@suse.de>
15780
15781 PR bootstrap/30511
15782 * tree-vrp.c (check_array_bounds): do not warn
15783 about ADDR_EXPR's of ARRAY_REF's which are immediately
15784 used in binary expressions.
15785
15786 2007-01-21 Ira Rosen <irar@il.ibm.com>
15787
15788 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
15789 read_write_dep and macros for its access.
15790 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
15791 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
15792 argument, call vect_check_interleaving for every independent pair of
15793 data-refs. Mark loads that access the same memory location as a store
15794 in the loop.
15795 (vect_check_dependences): Remove.
15796 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
15797 call, fix the call to vect_analyze_data_ref_dependence.
15798 (vect_analyze_data_ref_access): For statements that access the same
15799 data-ref, check that they are not stores; for loads, check that there
15800 is no store that access the same location.
15801
15802 2007-01-20 Roger Sayle <roger@eyesopen.com>
15803 Joseph Myers <joseph@codesourcery.com>
15804
15805 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
15806 (-fdump-rtl-stack): Likewise.
15807 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
15808 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
15809 (-mpt-fixed): Use @minus{} for minus sign.
15810 (Using Precompiled Headers): Fix under/overfull hbox.
15811
15812 2007-01-20 Jan Hubicka <jh@suse.cz>
15813
15814 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
15815 place within annotation.
15816
15817 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15818
15819 * pa.c (output_move_double): Change array size of xoperands to 4.
15820
15821 2007-01-20 Jan Hubicka <jh@suse.cz>
15822
15823 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
15824 as temporary.
15825
15826 2007-01-19 Ian Lance Taylor <iant@google.com>
15827
15828 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
15829 constant to unsigned HOST_WIDE_INT before negating.
15830
15831 2007-01-19 Ian Lance Taylor <iant@google.com>
15832
15833 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
15834 to unsigned.
15835 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
15836 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15837 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
15838 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
15839 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15840 (realloc_vdef, realloc_vuse): Change second parameter to
15841 unsigned.
15842 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
15843 fields to unsigned.
15844 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
15845 unsigned. Change x and lim locals to unsigned.
15846 (realloc_vdef, realloc_vuse): Change num_elem parameter to
15847 unsigned.
15848 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
15849 (copy_virtual_operands): Change i and n locals to unsigned.
15850
15851 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15852
15853 PR middle-end/29335
15854 * builtins.c (fold_builtin_1): Handle builtin fdim.
15855
15856 2007-01-20 Jan Hubicka <jh@suse.cz>
15857
15858 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
15859 * tree-ssa-structalias.c (compute_points_to_sets): Do call
15860 init_alias_heapvars.
15861 (init_alias_heapvars): Initialize only when not already initialized.
15862 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
15863
15864 2007-01-19 Roger Sayle <roger@eyesopen.com>
15865
15866 * common.opt (fsigned-zeros): New command line option.
15867 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
15868 of flag_unsafe_math_optimizations.
15869 * opts.c (set_fast_math_flags): The -ffast-math command line option
15870 implies -fno-signed-zeros.
15871 (fast_math_flags_set_p): Likewise.
15872
15873 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
15874 the documentation of -ffast-math appropriately. Wrap long lines.
15875
15876 2007-01-19 Steve Ellcey <sje@cup.hp.com>
15877
15878 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
15879 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
15880
15881 2007-01-19 Tomas Bily <tbily@suse.cz>
15882
15883 * cgraphunit.c (cgraph_finalize_function): Updating of pid
15884 * tree-profile.c:
15885 (tree_init_ic_make_global_vars): New function
15886 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
15887 (tree_gen_ic_profiler): New function
15888 (tree_gen_ic_func_profiler): New function
15889 (tree_profiling): Added calling of tree_gen_ic_func_profiler
15890 (tree_profile_hooks): Added hook for indirec/virtual calls
15891 * value-prof.c (tree_find_values_to_profile): New case for
15892 indirect calls
15893 (tree_values_to_profile): Call for determining indirect/virtual
15894 counters
15895 (tree_indirect_call_to_profile): New function
15896 (tree_ic_transform): New function
15897 (tree_ic): New function
15898 (find_func_by_pid): New function
15899 (init_pid_map): New function
15900 (tree_value_profile_transformations): Added check for
15901 indirect/virtual call transformation
15902 * value-prof.h (enum hist_type): New counter type for
15903 indirect/virtual calls
15904 (profile_hooks): Added new hook for profiling indirect/virtual
15905 calls
15906 * profile.c (instrument_values): New case for indirect/virtual
15907 call added
15908 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
15909 (GCOV_COUNTER_V_INDIR): New counter type
15910 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
15911 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
15912 call added
15913 * cgraph.c: Definition of cgraph_max_pid
15914 (cgraph_create_node): Default init of pid attribute
15915 * cgraph.h: Declaration of cgraph_max_pid
15916 (struct cgraph_node): Added pid attribute
15917 * libgcov.c (__gcov_indirect_call_profiler): New function
15918 (__gcov_one_value_profiler_body): New function
15919 (__gcov_one_value_profiler): Body was moved to
15920 __gcov_one_value_profiler_body and calls it
15921
15922 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
15923
15924 * doc/gty.texi (Options): Document the mark_hook option to GTY.
15925 * gengtype.c (write_types_data, write_func_for_structure,
15926 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
15927 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
15928 (walk_type, write_func_for_structure): Generate the mark_hook if
15929 needed.
15930
15931 2007-01-19 Jan Hubicka <jh@suse.cz>
15932
15933 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
15934 'early' argument take inlining mode argument specifying whether to
15935 inline for size/speeed or all functions; add support for flattening;
15936 improve dumpting.
15937 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
15938
15939 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15940
15941 PR c++/17947
15942 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
15943 the name of the declared identifier.
15944
15945 2007-01-19 Dirk Mueller <dmueller@suse.de>
15946
15947 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
15948 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
15949 duplicate evaluation.
15950
15951 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
15952
15953 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
15954 Macroize expander using X87MODEF12 mode macro. Extend operand 1
15955 to XFMode, use acosxf2 and truncate result to requested mode.
15956 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
15957 (asin<mode>2): Similarly, with asin expanders.
15958 (*fscalexf4_i387): Rename from *fscalexf4.
15959 (expNcorexf3): New expander.
15960 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
15961 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
15962 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
15963 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
15964 patterns for SSE math.
15965 (exp10<mode>2): Similarly, with exp10 expanders.
15966 (exp2<mode>2): Similarly, with exp2 expanders.
15967 (expm1<mode>2): Similarly, with expm1 expanders.
15968 (ldexp<mode>3): Similarly, with ldexp expanders.
15969 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
15970 Use gen_truncxf<mode>2_i387_noop to truncate result.
15971
15972 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15973
15974 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
15975 for ColdFire targets.
15976
15977 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
15978 Richard Sandiford <richard@codesourcery.com>
15979
15980 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
15981 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
15982 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
15983 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
15984 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15985 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15986
15987 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15988
15989 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
15990 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
15991 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
15992 (*adddi_dilshr32_cf): New pattern.
15993 (adddi3, subdi3): Remove first alternatives.
15994
15995 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15996
15997 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
15998 implemented using move.l, do not use its cc result for floating-point
15999 comparisons.
16000
16001 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16002
16003 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
16004 from accepting 's' constraints if flag_pic.
16005
16006 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16007
16008 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
16009 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
16010 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
16011 condition from TARGET_68881 to TARGET_HARD_FLOAT.
16012
16013 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
16014
16015 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
16016 ColdFire alternatives.
16017 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
16018 * config/m68k/m68k.md (clzsi2): Define for ColdFire
16019 architectures that support ff1 instruction.
16020
16021 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16022 Julian Brown <julian@codesourcery.com>
16023
16024 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
16025 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
16026 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
16027 Add commentary.
16028
16029 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16030
16031 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
16032 and return a bool.
16033 (output_move_const_into_data_reg, output_move_simode_const): Delete.
16034 * config/m68k/m68k.c (const_method, const_int_cost): Take a
16035 HOST_WIDE_INT instead of an rtx.
16036 (m68k_rtx_costs): Update call accordingly.
16037 (output_move_const_into_data_reg): Likewise. Fix formatting.
16038 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
16039 Return a bool.
16040 (output_move_simode_const): Update calls after above changes.
16041 Rework to use automatic variables and predicates like MEM_P.
16042 * config/m68k/m68k.md (pushexthisi_const): Update call to
16043 valid_mov3q_const.
16044
16045 2007-01-19 Dirk Mueller <dmueller@suse.de>
16046
16047 * tree-ssa-alias.c (perform_var_substitution): Fix typo
16048 in dump_flags test.
16049
16050 2007-01-19 Richard Guenther <rguenther@suse.de>
16051
16052 * builtins.c (expand_builtin_cexpi): Fall back to expanding
16053 via cexp in case sincos is not available.
16054
16055 2007-01-19 Richard Guenther <rguenther@suse.de>
16056
16057 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
16058 * defaults.h (TARGET_HAS_SINCOS): Default to off.
16059 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
16060 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
16061 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
16062 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
16063 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
16064 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
16065
16066 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
16067
16068 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
16069 New insn patterns.
16070 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
16071 (atan2xf3): Directly generate RTL pattern.
16072 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
16073 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16074 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16075 disable patterns for SSE math.
16076 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
16077 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16078 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16079 disable patterns for SSE math.
16080
16081 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
16082
16083 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
16084
16085 2007-01-18 Roger Sayle <roger@eyesopen.com>
16086
16087 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
16088 VIEW_CONVERT_EXPR to the same type as it's operand.
16089
16090 2007-01-18 David Edelsohn <edelsohn@gnu.org>
16091
16092 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
16093 configured for long double 128.
16094
16095 2007-01-18 Mike Stump <mrs@apple.com>
16096
16097 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
16098 error.
16099
16100 2007-01-18 Michael Meissner <michael.meissner@amd.com>
16101
16102 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
16103 type correct.
16104
16105 2007-01-18 Jan Hubicka <jh@suse.cz>
16106
16107 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
16108 greater than NUM_VOP_FREE_BUCKETS.
16109
16110 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
16111
16112 * tree-ssa-structalias.c: Update comments.
16113 (ptabitmap_obstack): Removed.
16114 (pta_obstack): New.
16115 (oldpta_obstack): Ditto.
16116 (stats): Add a few members.
16117 (struct variable_info): Remove node, complex, address_taken, and
16118 indirect_target members. Add oldsolution member.
16119 (new_var_info): Do not initialize removed members.
16120 (constraint_expr_type): Remove INCLUDES.
16121 (constraint_graph): Add size, implicit_preds, rep,
16122 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
16123 (FIRST_REF_NODE): New macro.
16124 (LAST_REF_NODE): Ditto.
16125 (FIRST_ADDR_NODE): Ditto.
16126 (find): New function.
16127 (unite): Ditto.
16128 (dump_constraint): Do not handle INCLUDES.
16129 (insert_into_complex): Do not insert duplicate constraints.
16130 (condense_varmap_nodes): Renamed and rewritten into ...
16131 (merge_node_constraints): This. Also fix bug in handling of
16132 offseted copy constraints.
16133 (clear_edges_for_node): No longer need to deal with preds at all,
16134 or removing associated preds/succs.
16135 (merge_graph_nodes): Deal with indirect_cycles.
16136 Don't deal with predecessors.
16137 (add_implicit_graph_edge): New function.
16138 (add_pred_graph_edge): Ditto.
16139 (add_graph_edge): Don't deal with predecessors.
16140 (build_constraint_graph): Removed.
16141 (build_pred_graph): New function.
16142 (build_succ_graph): Ditto.
16143 (struct scc_info): Removed in_component. Added roots, dfs, and
16144 node_mapping. Remove visited_index, unification_queue.
16145 (scc_visit): Deal with union-find we do now.
16146 Deal with cycles with REF nodes.
16147 (collapse_nodes): Renamed and rewritten to ...
16148 (unify_nodes): This.
16149 (process_unification_queue): Removed.
16150 (topo_visit): Cleanup
16151 (do_da_constraint): Use find.
16152 (do_sd_constraint): Ditto.
16153 (do_ds_constraint): Ditto.
16154 (do_complex_constraint): Ditto.
16155 (init_scc_info): Update for removed and added members.
16156 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
16157 (find_indirect_cycles): This.
16158 (equivalence_class): New variable.
16159 (label_visit): New function.
16160 (perform_variable_substitution): Rewritten.
16161 (free_var_substitution_info): New function.
16162 (find_equivalent_node): Ditto.
16163 (move_complex_constraints): Ditto.
16164 (eliminate_indirect_cycles): Ditto.
16165 (solve_graph): Only propagate changed bits.
16166 Use indirect cycle elimination.
16167 Use find.
16168 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
16169 (tree_id_eq): Renamed to ...
16170 (tree_vi_eq): This. Update for member change
16171 (insert_id_for_tree): Renamed and rewritten to ...
16172 (insert_vi_for_tree): This.
16173 (lookup_id_for_tree): Renamed and rewritten to ...
16174 (lookup_vi_for_tree): This.
16175 (get_id_for_tree): Renamed and rewritten to ...
16176 (get_vi_for_tree): Ditto.
16177 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
16178 (process_constraint): Don't handle INCLUDES.
16179 Remove special ADDRESSOF case.
16180 (find_func_aliases): Rewrite to use vi functions instead of id
16181 ones.
16182 (create_function_info_for): Ditto.
16183 (create_variable_info_for): Ditto.
16184 (intra_create_variable_infos): Ditto.
16185 (merge_smts_into): Ditto.
16186 (find_what_p_points_to): Ditto.
16187 (init_base_vars): Ditto.
16188 (init_alias_vars): Ditto.
16189 (remove_preds_and_fake_succs): New function.
16190 (dump_sa_points_to_info): Dump new stats.
16191 (dump_solution_for_var): Use find.
16192 (set_used_smts): Fix formatting.
16193 (compute_points_to_sets): Updated for new functions.
16194 (ipa_pta_execute): Ditto.
16195
16196 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16197 Richard Sandiford <richard@codesourcery.com>
16198
16199 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
16200 parallels.
16201 * calls.c (expand_call): If the return value is a PARALLEL,
16202 extract its first member.
16203 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
16204 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16205 use FUNCTION_EXTRA_EPILOGUE.
16206 (m68k_function_value): Return a PARALLEL if the return value
16207 is of a pointer type.
16208 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
16209 (FUNCTION_EXTRA_EPILOGUE): Remove.
16210 * config/m68k/m68k.md (D0_REG): New constant.
16211
16212 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16213
16214 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16215 output a NOP for empty epilogues.
16216
16217 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16218
16219 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
16220 before function. Extend register save check to include all
16221 registers, not just integer ones.
16222
16223 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16224
16225 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
16226 (m68k_use_return_insn): ...this.
16227 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
16228 * config/m68k/m68k.c (use_return_insn): Rename to...
16229 (m68k_use_return_insn): ...this.
16230 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
16231 of USE_RETURN_INSN.
16232
16233 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16234
16235 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
16236 nearest even, fix denormal rounding overflow.
16237
16238 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16239
16240 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
16241 f%$smove and f%$move.
16242 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
16243 (extendsfdf2_cf): Use fdmove instead of f%&move.
16244 (truncdfsf2_cf): Use fsmove instead of f%$smove.
16245 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
16246
16247 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16248
16249 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
16250 GPR<-GPR moves.
16251
16252 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16253
16254 * real.h (real_format): Add a canonical_nan_lsbs_set field.
16255 (coldfire_single_format): Declare.
16256 (coldfire_double_format): Likewise.
16257 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
16258 of qnan_msb_set to determine the lower bits of a canonical
16259 NaN significand.
16260 (encode_ieee_double): Likewise.
16261 (encode_ieee_quad): Likewise.
16262 (ieee_single_format): Initialize canonical_nan_lsbs_set.
16263 (mips_single_format): Likewise.
16264 (ieee_double_format): Likewise.
16265 (mips_double_format): Likewise.
16266 (ieee_extended_motorola_format): Likewise.
16267 (ieee_extended_intel_96_format): Likewise.
16268 (ieee_extended_intel_128_format): Likewise.
16269 (ieee_extended_intel_96_round_53_format): Likewise.
16270 (ibm_extended_format): Likewise.
16271 (mips_extended_format): Likewise.
16272 (ieee_quad_format): Likewise.
16273 (mips_quad_format): Likewise.
16274 (vax_f_format): Likewise.
16275 (vax_d_format): Likewise.
16276 (vax_g_format): Likewise.
16277 (i370_single_format): Likewise.
16278 (i370_double_format): Likewise.
16279 (decimal_single_format): Likewise.
16280 (decimal_double_format): Likewise.
16281 (decimal_quad_format): Likewise.
16282 (c4x_single_format): Likewise.
16283 (c4x_extended_format): Likewise.
16284 (real_internal_format): Likewise.
16285 (coldfire_single_format): New real_format.
16286 (coldfire_double_format): Likewise.
16287 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
16288 canonical_nan_lsbs_set.
16289 (pdp11_d_format): Likewise.
16290 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
16291 if TARGET_COLDFIRE_CPU.
16292
16293 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16294
16295 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
16296 (output_call, m68k_legitimize_call_address): Declare.
16297 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
16298 parenthesees. Add support for a 'W' constraint.
16299 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
16300 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
16301 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
16302 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
16303 variables.
16304 (override_options): Initialize them. Do not set flag_no_function_cse
16305 for TARGET_ID_SHARED_LIBRARY.
16306 (m68k_output_pic_call): Delete.
16307 (m68k_legitimize_call_address): New function.
16308 (print_operand): Remove the %o prefix. Handle the %p prefix.
16309 (output_call): New function.
16310 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
16311 target address from the GOT if symbolic jumps are not allowed.
16312 * config/m68k/m68k.md (call, general_operand): Do not set
16313 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
16314 Merge separate flag_pic and !flag_pic define_insns into...
16315 (*call, *call_value): ...these new patterns. Match the address
16316 rather than the containing MEM and require it to be a call_operand.
16317 Use output_call to generate the asm template.
16318 * config/m68k/predicates.md (const_call_operand): New predicate.
16319 (call_operand): Likewise.
16320
16321 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16322
16323 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
16324 (STACK_GROWS_DOWNWARD): Define to 1.
16325 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
16326 comments, emphasizing that these values are only defaults.
16327 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
16328 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
16329
16330 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16331
16332 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
16333
16334 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16335 Richard Sandiford <richard@codesourcery.com>
16336
16337 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
16338 (FP_REGNO_P): New macros.
16339 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
16340 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
16341 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
16342 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
16343
16344 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16345
16346 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16347 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
16348 to $tmake_file.
16349 * config/m68k/t-floatlib: New file, extracting common code from...
16350 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
16351 * config/m68k/t-uclinux: Here.
16352 * config/m68k/fpgnulib.c: Do not compile extendeed precision
16353 routines on ColdFire targets.
16354
16355 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16356
16357 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16358 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
16359 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
16360 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
16361 explicitly set MOTOROLA to 1.
16362 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
16363
16364 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16365 Nathan Sidwell <nathan@codesourcery.com>
16366
16367 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
16368 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
16369 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
16370 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
16371 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
16372 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
16373 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
16374 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
16375 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
16376 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16377 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
16378 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
16379 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
16380 (DBX_REGISTER_NUMBER): Delete.
16381 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
16382 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16383 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
16384
16385 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16386
16387 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
16388 * config/flat.h: New file.
16389 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
16390 OBJECT_FORMAT_FLAT.
16391 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
16392 indirect references for -msep-data or -mid-shared-library.
16393 Do not use PC-relative code addresses either.
16394 * config/m68k/m68k.c (override_options): Restrict -fPIC error
16395 to -mpcrel.
16396 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
16397 for shared libraries and crt1.o for executables. Use crti.o and
16398 crtbegin.o.
16399 (ENDFILE_SPEC): Use crtend.o and crtn.o.
16400 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
16401 Do not add -elf2flt or -shared-lib-id options here.
16402 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
16403 Pass -shared-lib-id if -mid-shared-library, taking the library
16404 identifier from -mshared-library-id if given, otherwise
16405 defaulting to 0.
16406 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
16407 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
16408 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
16409 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
16410 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
16411 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
16412 and crtend.o.
16413 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
16414 jump sequence for ISA A and ISA A+.
16415 (PICJUMP): Likewise.
16416
16417 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16418
16419 * config.gcc (m68k-*-uclinux*): Base the port on the common
16420 and m68k GNU/Linux files rather than on the generic ELF ones.
16421 * config/m68k/uclinux.h (TARGET_VERSION): Override.
16422 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
16423
16424 2007-01-18 Julian Brown <julian@codesourcery.com>
16425 Richard Sandiford <richard@codesourcery.com>
16426
16427 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
16428 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16429 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
16430 before redefining.
16431 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
16432 80 unconditionally.
16433 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16434
16435 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16436
16437 * doc/install.texi: Document m68k-uclinuxoldabi.
16438 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
16439 * config/m68k/uclinux-oldabi.h: New file, copied from
16440 config/m68k/uclinux.h.
16441
16442 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
16443
16444 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
16445 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
16446 (m32r_compute_frame_size): Use unsigned for regno.
16447 (m32r_reload_lr): Use gen_frame_mem.
16448 (pop): New.
16449 (m32r_output_function_epilogue): Don't output the function epilogue
16450 textually here.
16451 (m32r_expand_epilogue): New.
16452 (direct_return): Return false if the function has the interrupt
16453 attribute.
16454 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
16455 * config/m32r/m32r.md (epilogue): New expander.
16456 (return_lr, return_rte): New insns.
16457 (return): Make it expander.
16458 (return_normal): New expander.
16459
16460 2007-01-18 Josh Conner <jconner@apple.com>
16461
16462 PR target/30485
16463 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
16464 support for UNLE, UNLT, UNGE, and UNGT.
16465
16466 2007-01-18 Jan Hubicka <jh@suse.cz>
16467
16468 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
16469 * tree-tailcall (add_virtual_phis): Likewise.
16470 (optimize_tail_call): Return TODOs.
16471 (execute_tail_calls): Return TODOs.
16472 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
16473 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
16474 changed.
16475 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
16476 Cleanup cfg using TODO.
16477 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
16478 * passes.c (execute_function_todo): When cleanup did something, remove
16479 unused locals.
16480 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
16481 (make_edges): Don't cleanup_cfg.
16482
16483 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
16484
16485 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
16486 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
16487 operate on the top of stack.
16488 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
16489 register handling of instructions that output to the second
16490 stack slot.
16491 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
16492 (move_for_stack_reg): Special-case check for dead destination
16493 stack slot for constant load of 1.0 inside UNSPEC_TAN.
16494
16495 * config/i386/i386.md (UNSPEC_TAN): New constant.
16496 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
16497 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
16498 to correctly model move of constant 1.0 to top stack slot.
16499 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
16500 (unnamed peephole2 pattern): Remove corresponding peephole2
16501 pattern that optimizes tan insn and loading of constant 1.0.
16502 (tanxf2): Use fptanxf4_i387.
16503 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
16504 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
16505 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16506 disable patterns for SSE math.
16507 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
16508 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
16509
16510 2007-01-18 Dirk Mueller <dmueller@suse.de>
16511 Richard Guenther <rguenther@suse.de>
16512
16513 PR diagnostic/8268
16514 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
16515 * common.opt (Warray-bounds): Add new warning option.
16516 * c-opts.c (c_common_handle_option): Define -Warray-bounds
16517 if -Wall is given.
16518 * Makefile.in: make tree-vrp.o depend on toplev.h
16519 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
16520 is enabled.
16521 (check_array_refs, check_array_bounds, check_array_ref): New.
16522
16523 2007-01-18 Jan Hubicka <jh@suse.cz>
16524
16525 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
16526 (execute_ssa_ccp): Return flags conditionally.
16527 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
16528 changed.
16529 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
16530
16531 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
16532
16533 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
16534 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
16535
16536 * Makefile.c (GTFILES): Add cfglayout.h.
16537 * gengtype.c (open_base_files): Likewise.
16538 * cfglayout.c (cfg_layout_function_footer,
16539 cfg_layout_function_header) Reindent to make gengtype happy.
16540 * cfglayout.h (cfg_layout_function_footer,
16541 cfg_layout_function_header): Add GTY(()) marker.
16542
16543 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
16544
16545 2007-01-18 Ben Elliston <bje@au.ibm.com>
16546
16547 * genautomata.c (write_automata): Include xstrerror output in the
16548 error message if writing the DFA description file fails.
16549
16550 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
16551
16552 * config/mips/mips-protos.h (mips_output_external): Make it
16553 return void.
16554 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
16555 * config/mips/mips.c (irix_output_external_libcall): Likewise.
16556 (extern_list): Likewise.
16557 (extern_head): Likewise.
16558 (TARGET_ASM_FILE_END): Likewise.
16559 (mips_file_end): Likewise.
16560 (mips_output_external): Rewritten.
16561
16562 2007-01-18 Ben Elliston <bje@au.ibm.com>
16563
16564 * genpreds.c (write_insn_preds_c): Only write out the function
16565 body for regclass_for_constraint if we have register constraints.
16566
16567 2007-01-17 Tom Tromey <tromey@redhat.com>
16568
16569 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
16570 * doc/install.texi (Testing): Use sourceware.org.
16571 (Binaries): Likewise.
16572 (Specific): Likewise.
16573 * doc/contrib.texi (Contributors): Use sourceware.org.
16574
16575 2007-01-17 Anatoly Sokolov <aesok@post.ru>
16576
16577 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
16578 (AVR_ENHANCED): Rename to ...
16579 (AVR_HAVE_MUL): ... new.
16580 (avr_enhanced_p): Rename to ...
16581 (avr_have_mul_p): ... new.
16582 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
16583 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
16584 * config/avr/avr.c (avr_enhanced_p): Rename to ...
16585 (avr_have_mul_p): ... new.
16586 (base_arch_s): Rename 'enhanced' to 'have_mul'.
16587 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
16588 'avr_enhanced_p' and 'enhanced'.
16589 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
16590 AVR_HAVE_MUL instead of AVR_ENHANCED.
16591 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16592 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
16593 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
16594 instead of AVR_ENHANCED.
16595 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16596 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
16597 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
16598
16599 2007-01-17 Ian Lance Taylor <iant@google.com>
16600
16601 * vec.h (VEC_reserve_exact): Define.
16602 (vec_gc_p_reserve_exact): Declare.
16603 (vec_gc_o_reserve_exact): Declare.
16604 (vec_heap_p_reserve_exact): Declare.
16605 (vec_heap_o_reserve_exact): Declare.
16606 (VEC_OP (T,A,reserve_exact)): New static inline function, three
16607 versions.
16608 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
16609 negative parameter.
16610 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
16611 (VEC_OP (T,A,copy)) [all versions]: Likewise.
16612 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
16613 * vec.c (calculate_allocation): Add exact parameter. Change all
16614 callers.
16615 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
16616 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
16617 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
16618 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
16619 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
16620 (vec_heap_p_reserve_exact): New function.
16621 (vec_heap_o_reserve_exact): New function.
16622
16623 2007-01-17 Jan Hubicka <jh@suse.cz>
16624
16625 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
16626
16627 2007-01-17 Eric Christopher <echristo@apple.com>
16628
16629 * config.gcc: Support core2 processor.
16630
16631 2007-01-16 Jan Hubicka <jh@suse.cz>
16632
16633 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
16634 the names, just unlink the chain so we don't crash on dangling pointers
16635 to dead SSA names.
16636
16637 2007-01-16 Jan Hubicka <jh@suse.cz>
16638
16639 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
16640 * tree-pass.h: Reorder to make IPA passes appear toegher.
16641 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
16642 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
16643 parameters, do not call early inliner.
16644 * ipa-inline.c: Update comments. Include tree-flow.h
16645 (cgraph_decide_inlining): Do not compute inlining parameters.
16646 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
16647 be called with function context set up.
16648 (pass_ipa_inline): Remove unreachable functions before pass.
16649 (cgraph_early_inlining): Simplify assuming to be called from the
16650 PM as local pass.
16651 (pass_early_inline): New pass.
16652 (cgraph_gate_ipa_early_inlining): New gate.
16653 (pass_ipa_early_inline): Turn into simple wrapper.
16654 (compute_inline_parameters): New function.
16655 (gate_inline_passes): New gate.
16656 (pass_inline_parameters): New pass.
16657 (apply_inline): Move here from tree-optimize.c
16658 (pass_apply_inline): New pass.
16659 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
16660 transforming.
16661 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
16662 doing them by hand.
16663 (tree_function_versioning): Do not allocate dummy struct function.
16664 * tree-inline.h (optimize_inline_calls): Update prototype.
16665 * tree-optimize.c (execute_fixup_cfg): Export.
16666 (pass_fixup_cfg): Remove
16667 (tree_rest_of_compilation): Do not apply inlines.
16668 * tree-flow.h (execute_fixup_cfg): Declare.
16669 * Makefile.in (gt-passes.c): New.
16670 * passes.c: Include gt-passes.h
16671 (init_optimization_passes): New passes.
16672 (nnodes, order): New static vars.
16673 (do_per_function_toporder): New function.
16674 (execute_one_pass): Dump current pass here.
16675 (execute_ipa_pass_list): Don't dump current pass here.
16676
16677 2007-01-16 Janis Johnson <janis187@us.ibm.com>
16678
16679 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
16680 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
16681
16682 2007-01-16 David Edelsohn <edelsohn@gnu.org>
16683
16684 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
16685 (strong_alias): Define.
16686 (__gcc_qmul): Provide non-FMA for soft-float.
16687 (__gcc_qdiv): Same.
16688 (__gcc_qneg): New.
16689 (__gcc_qeq): New.
16690 (__gcc_qle): New.
16691 (__gcc_qge): New.
16692 (__gcc_qunord): New.
16693 (__gcc_stoq): New.
16694 (__gcc_dtoq): New.
16695 (__gcc_qtos): New.
16696 (__gcc_qtod): New.
16697 (__gcc_qtoi): New.
16698 (__gcc_qtou): New.
16699 (__gcc_itoq): New.
16700 (__gcc_utoq): New.
16701 (fmsub): New.
16702 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
16703 soft-float functions.
16704 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
16705 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
16706 about long double soft float.
16707
16708 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
16709 Tehila Meyzels <tehila@il.ibm.com>
16710
16711 * tree-vectorizer.h (is_pattern_stmt_p): New.
16712 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
16713 formatting (tabs instead of spaces). Cleanup and clarify setting
16714 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
16715 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
16716 (vectorizable_type_demotion): Check that types are integral.
16717 (vectorizable_type_promotion): Likewise.
16718 (vectorizable_store): Fix typo. Eliminate new-line at end of
16719 comments.
16720
16721 2007-01-16 Jan Hubicka <jh@suse.cz>
16722
16723 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
16724 cgraph edges too.
16725
16726 2007-01-15 Eric Christopher <echristo@apple.com>
16727
16728 * ifcvt.c: Include vec.h, vecprim.h.
16729 (check_cond_move_block): New argument regs.
16730 Reorganize. Add registers used to regs.
16731 (cond_move_process_if_block): Use regs set above as
16732 loop bounds.
16733
16734 2007-01-15 Eric Christopher <echristo@apple.com>
16735
16736 * config/darwin.h: Update copyright.
16737 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
16738 (LINK_COMMAND_SPEC): Add -u.
16739 (LINK_SPEC): Fix umbrella for above.
16740
16741 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
16742
16743 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
16744 glibc CVS.
16745
16746 2007-01-15 Tom Tromey <tromey@redhat.com>
16747
16748 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
16749 * doc/install.texi (Testing): Don't mention jacks.
16750 (Configuration): Document --enable-java-maintainer-mode. Move
16751 --with-java-home to libgcj-specific section. Document
16752 --with-ecj-jar.
16753 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
16754
16755 2007-01-15 Jan Hubicka <jh@suse.cz>
16756
16757 * tree-ssa-dce.c (DCE_TODOs): New.
16758 (propagate_necessity): Return if something changed.
16759 (eliminate_unnecessary_stmts): Likewise.
16760 (perform_tree_ssa_dce): Return TODO flags when needed.
16761 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
16762
16763 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
16764
16765 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
16766 (fyl2x_extend<mode>xf3_i387): New insn pattern.
16767 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
16768 patterns using X87MODEF12 mode macro. Extend operand 1
16769 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16770 (log10<mode>2): Ditto.
16771 (log2<mode>2): Ditto.
16772 (log1p<mode>2): Ditto.
16773 (logb<mode>2): Ditto.
16774 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
16775 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
16776 (*fxtractxf3_i387): Rename from *fxtractxf3.
16777 (fxtract_extend<mode>xf3_i387): New insn pattern.
16778 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
16779 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
16780 and gen_fyl2xxf3_i387().
16781
16782 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16783
16784 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
16785 * cfgloopmanip.c (fix_loop_placement): Made static. Use
16786 get_loop_exit_edges. Changed return type to bool.
16787 * cfgloop.h (fix_loop_placement): Declaration removed.
16788
16789 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
16790
16791 * param.h (MIN_VECT_LOOP_BOUND): New.
16792 * params.def (MIN_VECT_LOOP_BOUND): New.
16793 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
16794 argument - minimum threshold for number of iterations.
16795 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
16796 argument to declaration.
16797 * tree-vect-analyze.c (vect_analyze_operations): Check value of
16798 MIN_VECT_LOOP_BOUND.
16799 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
16800 slpeel_tree_peel_loop_to_edge with additional argument.
16801 (vect_do_peeling_for_alignment): Likewise.
16802 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
16803
16804 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
16805
16806 PR target/30413
16807 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
16808 operands of size 1.
16809
16810 2007-01-14 Jan Hubicka <jh@suse.cz>
16811
16812 * tree-dfa.c (remove_referenced_var): New function.
16813 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
16814 prune referenced vars list too.
16815 * tree-flow.h (remove_referenced_var): Declare.
16816
16817 2007-01-14 Jan Hubicka <jh@suse.cz>
16818
16819 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
16820 separately.
16821 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
16822 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
16823 * except.h (verify_eh_throw_table_statements): Kill prototype.
16824 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
16825 into call exrepssions.
16826 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
16827 eh trhow verifier.
16828 * tree-cfg.c: Include pointer-set.h.
16829 (verify_node_sharing): Work on pointer set.
16830 (verify_eh_throw_stmt_node): New.
16831 (verify_stmts): Use pointers sets, verify throw_stmt.
16832
16833 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
16834
16835 * ipa-reference.c (analyze_function): Consider also addresses taken
16836 in phi nodes.
16837
16838 2007-01-12 Roger Sayle <roger@eyesopen.com>
16839
16840 * c-typeck.c (null_pointer_constant_p): Replace use of
16841 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16842 (build_c_cast): Likewise.
16843
16844 2007-01-12 Roger Sayle <roger@eyesopen.com>
16845
16846 * tree.h (force_fit_type_double): Remove unused final argument.
16847 * c-common.c (constant_expression_warning): Replace use of
16848 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16849 (convert_and_check): Likewise.
16850 (shorten_compare): Update call to force_fit_type_double.
16851 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
16852 * convert.c (convert_to_pointer): Update call to
16853 force_fit_type_double.
16854 * fold-const.c (force_fit_type_double): Remove overflowed_const
16855 argument.
16856 (int_const_binop, fold_convert_const_int_from_int,
16857 fold_convert_const_int_from_real, fold_div_compare,
16858 fold_sign_changed_comparison, fold_unary, fold_negate_const,
16859 fold_abs_const, fold_not_const): Remove the final argument from
16860 calls to force_fit_type_double.
16861
16862 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
16863
16864 * configure.ac: Set insn to "nop" for spu-*-* also.
16865 * configure: Regenerate.
16866
16867 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
16868
16869 * builtins.def : Add BUILT_IN_FREE.
16870
16871 2007-01-12 Jan Hubicka <jh@suse.cz>
16872
16873 PR tree-optimization/30443
16874 * tree-inline.c (tree_function_versioning): Do not optimize when
16875 cloning for inlining.
16876
16877 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
16878
16879 * doc/loop.texi: Document recording of loop exits.
16880 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
16881 (update_single_exits_after_duplication,
16882 update_single_exit_for_duplicated_loop,
16883 update_single_exit_for_duplicated_loops): Removed.
16884 (duplicate_loop_to_header_edge): Do not call
16885 update_single_exits_after_duplication and
16886 update_single_exit_for_duplicated_loops.
16887 (loop_version): Do not update single_exit information.
16888 (fix_loop_structure): Use record_loop_exits instead of
16889 mark_single_exit_loops.
16890 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
16891 the lists of loop exits.
16892 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
16893 split_edge, merge_blocks): Update the lists of loop exits.
16894 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
16895 loop_optimizer_init.
16896 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
16897 of mark_single_exit_loops.
16898 (loop_optimizer_finalize): Call release_recorded_exits.
16899 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
16900 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
16901 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
16902 update single exit information.
16903 * lambda-code.c (perfect_nestify): Ditto.
16904 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
16905 (mark_single_exit_loops): Removed.
16906 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
16907 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
16908 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
16909 functions.
16910 (get_loop_exit_edges, single_exit): Use recorded exit lists.
16911 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
16912 (verify_loop_structure): Verify consistency of the exit lists.
16913 (flow_loops_find): Use alloc_loop. Initialize exits hash.
16914 (set_single_exit): Removed.
16915 * cfgloop.h (struct loop_exit): New function.
16916 (struct loop): single_exit_ field replaced by exits field.
16917 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
16918 (struct loops): Added exits hash.
16919 (mark_single_exit_loops, set_single_exit): Declaration removed.
16920 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
16921
16922 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16923
16924 * doc/invoke.texi: Avoid use of @headitem.
16925
16926 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16927
16928 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
16929
16930 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16931
16932 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
16933 list of targets.
16934
16935 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16936 Richard Sandiford <richard@codesourcery.com>
16937
16938 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
16939 * config/m68k/m68k.opt: Resort options.
16940 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
16941
16942 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16943 Richard Sandiford <richard@codesourcery.com>
16944
16945 * doc/invoke.texi: Document the macros that are defined by
16946 m68k's -mtune and -mhard-float options.
16947 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
16948 (m68k_cpp_cpu_family): Likewise.
16949 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
16950 of __ucfv*__ macros. Define __mcffpu__ if generating code for
16951 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
16952 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
16953 (m68k_cpp_cpu_family): Likewise.
16954
16955 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16956
16957 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
16958 macros besides mc68000 as tuning macros. Use a switch statement
16959 to set them and mcpu32.
16960
16961 2007-01-12 Julian Brown <julian@codesourcery.com>
16962
16963 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
16964 (TARGET_68040_ONLY): Rename to...
16965 (TARGET_68040): ...this.
16966 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
16967 * config/m68k/m68k.md: Likewise.
16968
16969 2007-01-12 Julian Brown <julian@codesourcery.com>
16970 Nathan Sidwell <nathan@codesourcery.com>
16971 Richard Sandiford <richard@codesourcery.com>
16972
16973 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
16974 the -mcpu= argument associated with the --with-cpu setting.
16975 Define M68K_DEFAULT_TUNE to the default -mtune= option,
16976 if different from the one implied by the -mcpu setting.
16977 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
16978 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
16979 * doc/invoke.texi: Mention ColdFire in the introduction to the
16980 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
16981 -mno-div and -mhard-float options. Make -m68881 a synonym for
16982 -mhard-float. Document the previously-undocumented -m5206e,
16983 -m528x, -m5307 and -m5407 options. Tweak the existing option
16984 documentation for consistency.
16985 * doc/install.texi: Mention new --with-cpu arguments.
16986 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
16987 default CPU if neither -mcpu nor -march are specified.
16988 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
16989 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
16990 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
16991 using m68k_tune to decide between families that implement the
16992 same ISA. Use m68k_tune to set __mcfv4e__.
16993 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
16994 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
16995 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
16996 (FL_ISA_C, FL_ISA_MMU): New macros.
16997 (MASK_COLDFIRE): Delete.
16998 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
16999 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
17000 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
17001 (TARGET_HARD_FLOAT): Do not define here.
17002 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
17003 (TUNE_68000): New macro.
17004 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
17005 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
17006 (TUNE_CFV2): Redefine in terms of m68k_tune.
17007 (uarch_type, target_device, fpu_type): New enums.
17008 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
17009 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
17010 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
17011 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
17012 (FL_FOR_isa_c): New macros.
17013 (m68k_isa): New enum.
17014 (m68k_target_selection): New structure.
17015 (all_devices, all_isas, all_microarchs): New tables.
17016 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
17017 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
17018 (MASK_ALL_CPU_BITS): Delete.
17019 (m68k_find_selection): New function.
17020 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
17021 Map the legacy target options to a combination of the new ones.
17022 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
17023 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
17024 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
17025 settings.
17026 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
17027 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
17028 properties.
17029 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
17030 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
17031 * config/m68k/m68k-devices.def: New file.
17032
17033 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17034 Nathan Sidwell <nathan@codesourcery.com>
17035
17036 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
17037 (SUBTARGET_EXTRA_SPECS): New macros.
17038 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
17039 use %(asm_cpu_spec) instead.
17040 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
17041 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
17042 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
17043 (EXTRA_SPECS): Rename to...
17044 (SUBTARGET_EXTRA_SPECS): ...this.
17045
17046 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17047 Richard Sandiford <richard@codesourcery.com>
17048 Julian Brown <julian@codesourcery.com>
17049
17050 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
17051 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
17052 to the configuration's default CPU.
17053 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
17054 Remove default masks.
17055 (m680[012]0-*-*): Set the default with_cpu to the first part of
17056 the target name.
17057 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
17058 (m68k*-*-linux): Extend the --with-cpu handling to...
17059 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
17060 and m68010. Don't set target_cpu_default2.
17061 * doc/install.texi: Document --with-cpu for m68k.
17062 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
17063 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
17064 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
17065 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
17066 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
17067 (ASM_SPEC): Remove use of %(asm_cpu_default).
17068 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
17069 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
17070 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
17071 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
17072 __HAVE_FPU__ if TARGET_HARD_FLOAT.
17073 (TARGET_DEFAULT): Delete.
17074 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
17075 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
17076 (CPP_CPU_SPEC): Delete.
17077 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
17078 the appropriate string.
17079 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
17080 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
17081 (ASM_SPEC): Don't use %(asm_default_spec).
17082 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
17083 TARGET_DEFAULT and add MASK_68881.
17084 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
17085
17086 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17087
17088 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
17089 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
17090 MASK_68010 alongside MASK_68020.
17091 * doc/invoke.texi: Document -m68010.
17092 * config/m68k/m68k.opt (m68010): New.
17093 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
17094 if TUNE_68010.
17095 (TUNE_68010): New macro.
17096 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
17097 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
17098 (M68K_CPU_m68332): Add MASK_68010.
17099 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
17100 fallback definition.
17101 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
17102 defines.
17103 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
17104 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
17105 to all entries that use MASK_68020.
17106 (output_move_simode_const, output_move_himode, output_move_qimode)
17107 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
17108 instead of TARGET_68020 to select clr behavior. Remove comment
17109 about there being no TARGET_68010.
17110 * config/m68k/m68k.md: Likewise throughout.
17111
17112 2007-01-12 Julian Brown <julian@codesourcery.com>
17113
17114 * config/m68k/m68k.h (TARGET_ISAB): New macro.
17115 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
17116 * config/m68k/m68k.md: Likewise.
17117
17118 2007-01-12 Julian Brown <julian@codesourcery.com>
17119
17120 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
17121 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
17122
17123 2007-01-12 Julian Brown <julian@codesourcery.com>
17124
17125 * config/m68k/m68k.h (TUNE_68040_60): New macro.
17126 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
17127 * config/m68k/m68k.md: Likewise.
17128
17129 2007-01-12 Julian Brown <julian@codesourcery.com>
17130 Richard Sandiford <richard@codesourcery.com>
17131
17132 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
17133 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
17134 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
17135 TARGET_CPU32.
17136 (TARGET_CPU32): Rename to...
17137 (TUNE_CPU32): ...this.
17138 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
17139 (TUNE_CFV2): New macros.
17140 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
17141 remove conditions that are implied by TARGET_68020.
17142 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
17143 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
17144 (m68k_output_function_epilogue): Likewise.
17145 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
17146 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
17147 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
17148 non-68000 timings. Refactor multiplication and division costs.
17149 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
17150 TUNE_CPU32 instead of TARGET_CPU32.
17151 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
17152 and TUNE_68060 instead of TARGET_68060.
17153 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
17154 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
17155 TARGET_CPU32.
17156 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
17157 && !TARGET_COLDFIRE" to choose between moveq and clr.
17158 Likewise in the unnamed movsf pattern.
17159 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
17160 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
17161 ashiftrt pattern.
17162
17163 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17164
17165 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
17166 of tabbing before backslashes.
17167
17168 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17169
17170 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
17171 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
17172 (ASM_OUTPUT_INTERNAL_LABEL): Define.
17173
17174 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17175
17176 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
17177 find_interesting_uses_cond.
17178 (find_interesting_uses_cond): Use extract_cond_operands.
17179 (rewrite_use_compare): Use extract_cond_operands and
17180 force_gimple_operand_bsi. Do not call update_stmt.
17181 (determine_use_iv_cost_condition): Use extract_cond_operands.
17182 Return cheaper of using original bound and changing the exit bound.
17183
17184 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17185
17186 PR tree-optimization/29516
17187 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
17188 most_expensive_mult_to_index, addr_to_parts,
17189 create_mem_ref, maybe_fold_tmr): Make the type of
17190 fields of TARGET_MEM_REF sizetype.
17191 (move_fixed_address_to_symbol, move_pointer_to_base):
17192 New functions.
17193 * tree.def (TARGET_MEM_REF): Add comment on types of
17194 the operands.
17195
17196 2007-01-11 Joseph Myers <joseph@codesourcery.com>
17197
17198 * c-common.c (vector_types_convertible_p): Treat opaque types as
17199 always convertible if they have the same size, but not otherwise.
17200
17201 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
17202
17203 * ifcvt.c (struct noce_if_info): Add comments to the fields.
17204 Remove the b_unconditional field.
17205 (noce_try_sign_mask): Do not look at b_unconditional.
17206 (noce_process_if_block): Do not use merge_if_blocks. Update
17207 the CFG here. Do not set b_unconditional.
17208 (cond_move_process_if_block): Likewise.
17209 (find_cond_trap): Likewise.
17210 (check_cond_move_block): Require simple jump insns at the end
17211 of the basic block.
17212
17213 2007-01-11 Jan Hubicka <jh@suse.cz>
17214
17215 PR tree-optimization/1046
17216 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
17217 when alias info is not ready.
17218 (pass_tail_recursion): Do not require aliasing.
17219 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
17220 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
17221 * tree-ssa-copy.c (pass_copy_prop): Likewise.
17222 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
17223 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
17224 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
17225 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
17226 before inlining.
17227 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
17228 When aliasing is not build, mark statement as volatile.
17229
17230 2007-01-11 Tom Tromey <tromey@redhat.com>
17231
17232 PR preprocessor/15185, PR preprocessor/20989:
17233 * doc/cppopts.texi <-MT>: Update description of algorithm for
17234 computing default target.
17235 <-M, -MD>: Reword "basename" text.
17236
17237 2007-01-11 Roger Sayle <roger@eyesopen.com>
17238
17239 * builtins.c (expand_builtin_pow, expand_builtin_powi,
17240 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
17241 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
17242 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
17243 fold_builtin_bswap, real_constp, fold_builtin_pow,
17244 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
17245 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
17246 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17247 * convert.c (convert_to_pointer): Likewise.
17248 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
17249 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
17250 const_binop, fold_convert_const_int_from_int,
17251 fold_convert_const_int_from_real,
17252 fold_convert_const_real_from_real, sign_bit_p,
17253 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
17254 fold_sign_changed_comparison, fold_unary, fold_comparison,
17255 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
17256 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
17257 * print-tree.c (print_node_brief, print_node): Likewise.
17258 * stor-layout.c (place_field, layout_type): Likewise.
17259 * tree-chrec.c (keep_cast): Likewise.
17260 * tree.c (build_vector, build_real, build_real_from_int_cst,
17261 build_complex): Likewise.
17262
17263 2007-01-11 Roger Sayle <roger@eyesopen.com>
17264
17265 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
17266 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
17267
17268 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
17269
17270 * configure.ac (strict1_warn): Rename to strict_warn.
17271 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
17272 cc_set_by_configure, quoted_cc_set_by_configure,
17273 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
17274 all_boot_languages, all_stagestuff): Remove.
17275 (target_list): Remove bootstrap targets.
17276 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
17277 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
17278 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
17279 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
17280 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
17281 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
17282 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
17283 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
17284 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
17285 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
17286 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
17287 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
17288 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
17289 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
17290 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
17291 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
17292 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
17293 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
17294 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
17295 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
17296 (mostlyclean): Adjust.
17297 (clean, distclean): Don't mention bootstrap stuff.
17298 * configure: Regenerate.
17299 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
17300 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
17301 treelang/config-lang.in (stagestuff): Remove.
17302 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
17303 stageprofile, stagefeedback, stagestuff): Remove mention.
17304
17305 2007-01-11 Nick Clifton <nickc@redhat.com>
17306
17307 * config/mcore/predicates.md (mcore_general_movesrc_operand):
17308 Accept CONSTs.
17309 (mcore_general_movdst_operand): Do not accept CONST_INTs.
17310 (mcore_arith_K_S_operand): Run the test for the S constraint not
17311 the test for the M constraint.
17312 (mcore_addsub_operand): Do not accept integer values that are
17313 larger than 32 bits.
17314 * config/mcore/mcore.md: Remove unused constraints from split.
17315 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
17316 (addsi3): Likewise.
17317 (allocate_stack): Likewise.
17318 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
17319 operands to 32 bits.
17320 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
17321 INTVAL.
17322 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
17323 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
17324 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
17325 mcore_output_bclri, mcore_output_andn, output_inline_const,
17326 mcore_output_move, mcore_output_movedouble): Likewise.
17327 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
17328 (output_inline_const): Likewise.
17329 (output_inline_const): Fix format strings used in sprintf
17330 statements.
17331 * config/mcore/mcore-protos.h: Update prototypes for changed
17332 functions in mcore.c.
17333 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
17334 HOST_WIDE_INT and not int.
17335 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
17336 CONST_OK_FOR_N): Likewise.
17337 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
17338 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
17339 an INTVAL.
17340
17341 2007-01-10 Jan Hubicka <jh@suse.cz>
17342
17343 * tree-vrp.c (remove_range_assertions): Release defs.
17344 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
17345 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
17346
17347 2007-01-10 Paul Brook <paul@codesourcery.com>
17348
17349 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
17350 * config/arm/arm.md (mulsi3subsi): New insn.
17351
17352 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
17353
17354 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
17355 (tree_transform_and_unroll_loop): New.
17356 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
17357 Declare.
17358
17359 2007-01-10 Robert Kennedy <jimbob@google.com>
17360
17361 * fold-const.c (fold_comparison): Fold comparisons like (x *
17362 1000 < 0) to (x < 0).
17363
17364 2007-01-10 Ian Lance Taylor <iant@google.com>
17365
17366 * tree-pretty-print.c (dump_generic_node): Print parentheses when
17367 operands have the same priority.
17368
17369 2007-01-10 Tom Tromey <tromey@redhat.com>
17370
17371 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
17372 (fold_binary): Likewise.
17373 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
17374 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
17375 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
17376 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
17377 * langhooks.h (struct lang_hooks): Removed field
17378 'can_use_bit_fields_p'.
17379
17380 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
17381
17382 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
17383
17384 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
17385
17386 * function.c (get_last_funcdef_no): New function.
17387 * function.h (get_last_funcdef_no): Declare.
17388 * tree-inline.c (initialize_cfun): Add initialization.
17389 (tree_function_versioning): Cleanup.
17390
17391 2007-01-10 Jan Hubicka <jh@suse.cz>
17392
17393 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
17394 PHIs.
17395
17396 2007-01-10 Sa Liu <saliu@de.ibm.com>
17397 Ben Elliston <bje@au.ibm.com>
17398
17399 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
17400 for SAVE_NONLOCAL and Pmode for any other save level.
17401 * spu-protos.h (spu_restore_stack_block): Declare.
17402 * spu.md (save_stack_block): Remove.
17403 (restore_stack_block): Call spu_restore_stack_block.
17404 * spu.c (spu_restore_stack_block): New function.
17405 (spu_expand_epilogue): Remove old comment.
17406
17407 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
17408
17409 PR tree-optimization/30322
17410 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
17411 (cand_value_at): Return the value as aff_tree.
17412 (may_eliminate_iv): Convert the bound from aff_tree to tree.
17413 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
17414 aff_combination_mult): New functions.
17415 (aff_combination_add): Use aff_combination_add_cst.
17416 (aff_combination_convert): Allow conversions to a wider type.
17417 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
17418 * tree-affine.h (aff_combination_mult): Declare.
17419
17420 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
17421
17422 * doc/tm.texi: Update documentation to reflect reality of exec
17423 and start file search behaviours. Update copyright year.
17424 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
17425 header file directories.
17426
17427 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
17428
17429 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
17430 (*cosxf2): Rename to cosxf2_i387.
17431 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
17432 using X87MODEF12 mode macro. Rename patterns to
17433 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
17434 for SSE math.
17435 (*cosdf2, *cossf2): Ditto.
17436 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
17437 to match extended input operands.
17438 (sincos<mode>3): New expander.
17439 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
17440 insn patterns and corresponding splitters.
17441
17442 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
17443
17444 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
17445 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
17446
17447 2007-01-09 Nicolas Pitre <nico@cam.org>
17448
17449 PR target/30173
17450 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
17451
17452 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17453
17454 * target.h (struct gcc_target): New field library_rtti_comdat.
17455 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
17456 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
17457 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
17458 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
17459
17460 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17461
17462 * doc/invoke.texi (Optimize Options): Correct description of -O0.
17463
17464 2007-01-08 Richard Guenther <rguenther@suse.de>
17465
17466 * tree.h (force_fit_type_double): Export.
17467 (force_fit_type): Remove.
17468 * fold-const.c (force_fit_type_double): New function.
17469 (force_fit_type): Remove.
17470 (int_const_binop): Use it.
17471 (fold_convert_const_int_from_int): Likewise.
17472 (fold_convert_const_int_from_real): Likewise.
17473 (fold_div_compare): Likewise.
17474 (fold_sign_changed_comparison): Likewise.
17475 (fold_unary): Likewise.
17476 (fold_negate_const): Likewise.
17477 (fold_abs_const): Likewise.
17478 (fold_not_const): Likewise.
17479 * c-common.c (shorten_compare): Use force_fit_type_double.
17480 * convert.c (convert_to_pointer): Likewise.
17481
17482 2007-01-08 Richard Guenther <rguenther@suse.de>
17483
17484 * tree.h (build_int_cst_wide_type): Export.
17485 * tree.c (build_int_cst_wide_type): New function.
17486 (build_int_cst_wide): Fix comment.
17487 * builtins.c (fold_builtin_object_size): Use build_int_cst
17488 to build -1 or 0 of the correct type. Use fit_double_type
17489 to check for overflow.
17490 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
17491 to build the mask.
17492 (decode_field_reference): Likewise.
17493 (all_ones_mask_p): Likewise.
17494 (native_interpret_int): Use build_int_cst_wide_type.
17495 (fold_binary): Use build_int_cst_type to build an all-ones
17496 value.
17497 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
17498
17499 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
17500
17501 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
17502
17503 2007-01-09 Ben Elliston <bje@au.ibm.com>
17504
17505 * genautomata.c (STATS_OPTION): New option.
17506 (stats_flag): New flag.
17507 (gen_automata_option): Handle it.
17508 (initiate_automaton_gen): Ditto.
17509 (write_automata): Output statistics only if stats_flag is
17510 set. Likewise, output time statistics only if time_flag is set.
17511 * doc/md.texi (Processor pipeline description): Document new flag.
17512
17513 2007-01-08 Richard Guenther <rguenther@suse.de>
17514
17515 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
17516 * tree.c (build_int_cst_type): Likewise.
17517 (size_in_bytes): Don't call force_fit_type on the result.
17518 (int_fits_type_p): Use fit_double_type.
17519 * fold-const.c (fit_double_type): New function.
17520 (force_fit_type): Use it.
17521 * tree.h (fit_double_type): Export.
17522
17523 2007-01-08 Jan Hubicka <jh@suse.cz>
17524
17525 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
17526 * ipa.c (function_and_variable_visibility): Fix return type.
17527
17528 2007-01-08 Richard Guenther <rguenther@suse.de>
17529
17530 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
17531 of offset to build the index.
17532 * tree-pretty-print.c (dump_generic_node): Don't build negated
17533 const just for printing.
17534 * c-pretty-print.c (pp_c_integer_constant): Likewise.
17535 * builtins.c (fold_builtin_int_roundingfn): Check if result
17536 fits the type by using force_fit_type and comparing the result.
17537 * predict.c (predict_loops): Use compare_tree_int for comparison.
17538 * tree.c (build_int_cst): Fall back to integer_type_node for
17539 NULL_TREE type.
17540 (build_int_cst_wide): Assert type is non-null.
17541
17542 2007-01-08 Roberto Costa <roberto.costa@st.com>
17543
17544 * tree-vrp.c (extract_range_from_cond_expr): New.
17545 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
17546 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
17547 as expressions.
17548 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
17549 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
17550 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
17551 used as expressions.
17552 * tree-object-size.c (cond_expr_object_size): New.
17553 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
17554
17555 2007-01-08 Jan Hubicka <jh@suse.cz>
17556
17557 * tree-ssa-forwprop.c (forward_propagate_into_cond,
17558 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
17559 statement.
17560
17561 2007-01-08 Richard Guenther <rguenther@suse.de>
17562
17563 PR tree-optimization/23603
17564 * tree-vrp.c (set_value_range_to_truthvalue): New function.
17565 (extract_range_from_binary): Fall back to truthvalue instead of
17566 varying for TRUTH_*_EXPR.
17567 (extract_range_from_comparison): Fall back to truthvalue instead of
17568 varying.
17569 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
17570 if all visited PHI values were constant.
17571
17572 2007-01-08 Jan Hubicka <jh@suse.cz>
17573
17574 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
17575 (cgraph_analyze_function): break out from ...
17576 (cgraph_finalize_compilation_unit): ... here.
17577 (cgraph_expand_function): Remove forgoten commented out line.
17578 (cgraph_optimize): Analyze functions.
17579
17580 2007-01-08 Jan Hubicka <jh@suse.cz>
17581
17582 * tree-pas.h (TODO_remove_function): New flag.
17583 (TODO_update*): Renumber.
17584 (pass_ipa_increase_alignment,
17585 pass_ipa_function_and_variable_visibility): New passes.
17586 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
17587 (cgraph_function_and_variable_visibility): Move to ipa.c
17588 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
17589 cgraph_increase_alignment.
17590 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
17591 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
17592 calling tree-inline.
17593 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
17594 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
17595 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
17596 (gate_increase_alignment): New function.
17597 (pass_ipa_increase_alignment): New pass.
17598 * ipa.c: Inline tree-pass.h and timevar.h
17599 (function_and_variable_visibility): Move here from cgraphunit.c
17600 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
17601 * passes.c (init_optimization_passes): Add the two new passes.
17602 (execute_todo): Handle cgraph_remove_functions.
17603
17604 2007-01-08 Nick Clifton <nickc@redhat.com>
17605
17606 * config/frv/predicates.md (reg_or_0_operand): Accept
17607 CONST_DOUBLEs.
17608
17609 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
17610
17611 * config/bfin/rtems.h, config/bfin/t-rtems: New.
17612 * config.gcc: Add bfin*-rtems*.
17613
17614 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17615
17616 * c.opt: Add -flax-vector-conversions.
17617 * c-typeck.c (convert_for_assignment): Pass flag to
17618 vector_types_convertible_p to allow emission of note.
17619 (digest_init): Likewise.
17620 * c-opts.c: Handle -flax-vector-conversions.
17621 * c-common.c (flag_lax_vector_conversions): New.
17622 (vector_types_convertible_p): Unless -flax-vector conversions
17623 has been passed, disallow conversions between vectors with
17624 differing numbers of subparts and/or element types. If such
17625 a conversion is disallowed, possibly emit a note on the first
17626 occasion only to inform the user of -flax-vector-conversions.
17627 The new last argument specifies this.
17628 * c-common.h (flag_lax_vector_conversions): New.
17629 (vector_types_convertible_p): Add extra argument.
17630 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
17631 char_type_node for V*QI type vectors.
17632 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
17633 Update to satisfy new typechecking rules.
17634 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
17635 C and C++ variants.
17636 * doc/invoke.texi (C Dialect Options): Document
17637 -flax-vector-conversions.
17638
17639 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17640
17641 PR tree-optimization/29877
17642 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
17643 a register variable on the RHS to not be replaceable.
17644
17645 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
17646 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
17647 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
17648 const_simm15, const_pow2, const_npow2): Added.
17649 * config/score/misc.md (insv, extv, extzv, movmemsi,
17650 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
17651 * config/score/score.c (score_address_cost, score_select_cc_mode):
17652 Added.
17653 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
17654 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
17655 Update score_print_operand.
17656 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
17657 Adjust register allocate order and update some macro define.
17658 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
17659 mdx_block_move_straight, mdx_block_move_loop_head,
17660 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
17661 mdx_block_move): Added.
17662 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
17663 mdp_limm): Updated and fix some bug and typo.
17664 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
17665 (movsf, movdf, doloop_end): Added.
17666
17667 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
17668
17669 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
17670 config/arm/thumb2.md: Fix comment typos.
17671 * doc/extend.texi: Fix a typo.
17672
17673 2007-01-07 Eric Christopher <echristo@apple.com>
17674
17675 * configure.ac: Check for __stack_chk_fail for darwin.
17676 * configure: Regenerate.
17677
17678 2007-01-07 Richard Guenther <rguenther@suse.de>
17679
17680 * tree-vrp.c (extract_range_from_assert): CSE calls to
17681 compare_values where possible.
17682 (extract_range_from_unary_expr): Likewise.
17683
17684 2007-01-07 Anatoly Sokolov <aesok@post.ru>
17685
17686 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
17687 * config/avr/avr.c (call_insn_operand): Delete function.
17688 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
17689 instead of register number. Use predicates.
17690 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
17691 call_insn_operand): Add.
17692
17693 2007-01-06 Jan Hubicka <jh@suse.cz>
17694
17695 * tree-pass.h (pass_build_cgraph_edges): Declare.
17696 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
17697 (visited_nodes): Remove.
17698 (cgraph_create_edges): Move to cgraphbuild.c; rename to
17699 build_cgrpah_edges; make visited_nodes local.
17700 (cgraph_process_new_functions): DO not call initialize_inline_failed.
17701 (record_references_in_initializer): Move to cgraphbuild.c
17702 (initialize_inline_failed, rebuild_cgraph_edges,
17703 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
17704 (verify_cgraph_node): Make visited_nodes local.
17705 (cgraph_analyze_function): Do not call cgraph_create_edges and
17706 initialize_inline_failed.
17707 (cgraph_expand_function): Do not call cgraph_lower_function;
17708 assert that function is already lowered.
17709 * Makefile.in (cgraphbuild.o): New.
17710 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
17711 at the end of lowering passes.
17712
17713 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
17714
17715 * ifcvt.c (cond_move_convert_if_block): New function, code
17716 factored out from...
17717 (cond_move_process_if_block): ...here. Call the new function
17718 on the THEN and ELSE blocks.
17719 (merge_if_block): Do not copy global_live_at_end, merge_blocks
17720 already takes care of this.
17721
17722 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17723
17724 PR c/19978
17725 * tree.h (TREE_OVERFLOW_P): New.
17726 * c-typeck.c (parser_build_unary_op): Warn only if result
17727 overflowed and operands did not.
17728 (parser_build_binary_op): Likewise.
17729 (convert_for_assignment): Remove redundant overflow_warning.
17730 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
17731
17732 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17733
17734 * c-typeck.c (store_init_value): Split over two lines to follow
17735 the GNU coding style.
17736
17737 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
17738
17739 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
17740 __GXX_EXPERIMENTAL_CXX0X__.
17741 * doc/cpp.texi: Same.
17742
17743 2007-01-05 Richard Guenther <rguenther@suse.de>
17744
17745 PR middle-end/27826
17746 * tree.c (get_narrower): Do not construct COMPONENT_REFs
17747 with mismatched types. Instead explicitly build a
17748 conversion NOP_EXPR.
17749
17750 2007-01-05 Ian Lance Taylor <iant@google.com>
17751
17752 * c-common.c (decl_with_nonnull_addr_p): New function.
17753 (c_common_truthvalue_conversion): Call it.
17754 * c-typeck.c (build_binary_op): Likewise.
17755 * c-common.h (decl_with_nonnull_addr_p): Declare.
17756
17757 2007-01-05 Jakub Jelinek <jakub@redhat.com>
17758
17759 PR c/30360
17760 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
17761 denom against 0.0.
17762
17763 2007-01-05 Joel Brobecker <brobecker@adacore.com>
17764
17765 * doc/install.texi (Final install): Document the fact that
17766 the GNAT runtime should not be stripped.
17767
17768 2007-01-04 Jan Hubicka <jh@suse.cz>
17769
17770 * tree-inline.c (fold_marked_statements): Update operand caches
17771 and EH after folding
17772
17773 2007-01-04 Ian Lance Taylor <iant@google.com>
17774
17775 * c-common.c (check_function_nonnull): Whitespace fix.
17776
17777 2007-01-04 Jan Hubicka <jh@suse.cz>
17778
17779 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
17780 comitted older version of patch.
17781 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
17782 function, celanup cfg and collect garbage.
17783
17784 2007-01-04 Mike Stump <mrs@apple.com>
17785
17786 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
17787 (clean): Likewise.
17788
17789 2007-01-04 Eric Christopher <echristo@apple.com>
17790
17791 * libgcc2.c (__bswapsi2): Use SItype.
17792 (__bswapdi2): Use DItype.
17793 * libgcc2.h: Update for above.
17794
17795 2007-01-04 Paul Brook <paul@codesourcery.com>
17796
17797 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
17798 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
17799 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
17800 umulsidi3, umulsidi3adddi, smulsi3_highpart,
17801 umulsi3_highpart): Make conditional on !arm_arch6.
17802 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
17803 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
17804 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
17805 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
17806 umulsi3_highpart_v6): New insns.
17807
17808 2007-01-04 Roger Sayle <roger@eyesopen.com>
17809
17810 * fold-const.c (fold_convert): When casting an expression to void,
17811 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
17812 have a type. Instead of attempting to build a NOP_EXPR, return
17813 these "special" trees directly.
17814
17815 2007-01-04 Joseph Myers <joseph@codesourcery.com>
17816
17817 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
17818 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
17819 rs6000_cost->fp not 0 as adjustment for outer NEG.
17820
17821 2007-01-04 Jan Hubicka <jh@suse.cz>
17822
17823 * cgraph.c (cgraph_release_function_body): New function.
17824 (cgraph_remove_node): Use it.
17825 * cgraph.h (cgraph_release_function_body): Declare.
17826 * cgraphunit.c (cgraph_expand_function): Use it.
17827 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
17828 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
17829 is initialized and while compilation of other function is running.
17830 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
17831 statement CFG annotations from here to ...
17832 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
17833
17834 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
17835
17836 * cfgloop.h (enum li_flags): Make the constants powers of two.
17837
17838 2007-01-04 Jan Hubicka <jh@suse.cz>
17839
17840 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
17841 set.
17842 (fold_marked_statements): New function.
17843 (optimize_inline_calls, tree_function_versioning): Fold new statements.
17844 * tree-inline.h (copy_body_data): Add statements_to_fold.
17845
17846 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
17847
17848 * config.gcc: Mention libgcc/config.host.
17849 * Makefile.in: Update comments mentioning libgcc.
17850 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
17851 (all.cross, start.encap, rest.encap, rest.cross): Update
17852 dependencies for libgcc move.
17853 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
17854 (clean-target, clean-target-libgcc): Delete.
17855 (srcdirify, GCC_EXTRA_PARTS): New macros.
17856 (libgcc-support, libgcc.mvars): New rules.
17857 (distclean): Remove mention of mklibgcc.
17858 (install): Don't reference INSTALL_LIBGCC.
17859 (install-common): Don't reference EXTRA_PARTS.
17860 (install-libgcc, install-multilib): Delete rules.
17861 * mklibgcc.in: Delete file.
17862 * doc/configfiles.texi: Don't mention mklibgcc.
17863
17864 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
17865 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
17866 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
17867 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
17868 (mklibgcc, ldblspecs): Likewise.
17869
17870 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
17871 (posixpre.def): Use $(T).
17872 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
17873 (SHLIB_SRC, SHLIB_INSTALL): Delete.
17874 (SHLIB_LINK): Make dummy.
17875 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
17876
17877 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
17878
17879 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
17880 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
17881 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
17882 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
17883
17884 * configure.ac (all_outputs): Remove mklibgcc.
17885 * configure: Regenerated.
17886
17887 2007-01-03 Josh Conner <jconner@apple.com>
17888
17889 PR middle-end/29683
17890 * calls.c (compute_argument_addresses): Set stack and stack_slot
17891 for partial args, too.
17892 (store_one_arg): Use locate.size.constant for the size when
17893 generating a save_area.
17894
17895 2007-01-03 Robert Kennedy <jimbob@google.com>
17896
17897 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
17898 whose definitions are deleted due to basic block merging.
17899
17900 2007-01-03 Paul Brook <paul@codesourcery.com>
17901
17902 PR target/16634
17903 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
17904 functions.
17905 (use_return_insn): Return 0 for Thumb interrupt functions.
17906 (print_multi_reg): Add rfe argument for IRQ returns.
17907 (arm_output_epilogue): Pop interrupt return address directly into PC.
17908 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
17909
17910 2007-01-03 Paul Brook <paul@codesourcery.com>
17911
17912 Merge from sourcerygxx-4_1.
17913 * config/arm/thumb2.md: New file.
17914 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
17915 Thumb-2.
17916 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
17917 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17918 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
17919 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
17920 tables.
17921 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17922 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
17923 comptibility.
17924 * config/arm/ieee754-sf.S: Ditto.
17925 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
17926 (thumb1_base_register_rtx_p): ... to this.
17927 (thumb_index_register_rtx_p): Rename...
17928 (thumb1_index_register_rtx_p): ... to this.
17929 (thumb_output_function_prologue): Rename...
17930 (thumb1_output_function_prologue): ... to this.
17931 (thumb_legitimate_address_p): Rename...
17932 (thumb1_legitimate_address_p): ... to this.
17933 (thumb_rtx_costs): Rename...
17934 (thumb1_rtx_costs): ... to this.
17935 (thumb_compute_save_reg_mask): Rename...
17936 (thumb1_compute_save_reg_mask): ... to this.
17937 (thumb_final_prescan_insn): Rename...
17938 (thumb1_final_prescan_insn): ... to this.
17939 (thumb_expand_epilogue): Rename...
17940 (thumb1_expand_epilogue): ... to this.
17941 (arm_unwind_emit_stm): Rename...
17942 (arm_unwind_emit_sequence): ... to this.
17943 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
17944 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
17945 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
17946 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
17947 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
17948 thumb2_output_casesi): New functions.
17949 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
17950 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
17951 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
17952 THUMB2_WORK_REGS): Define.
17953 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
17954 arm_condexec_mask, arm_condexec_masklen)): New variables.
17955 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
17956 (arm_override_options): Check new CPU capabilities.
17957 Set new architecture flag variables.
17958 (arm_isr_value): Handle v7m interrupt functions.
17959 (user_return_insn): Return 0 for v7m interrupt functions. Handle
17960 Thumb-2.
17961 (const_ok_for_arm): Handle Thumb-2 constants.
17962 (arm_gen_constant): Ditto. Use movw when available.
17963 (arm_function_ok_for_sibcall): Return false for v7m interrupt
17964 functions.
17965 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
17966 (thumb_find_work_register, arm_load_pic_register,
17967 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
17968 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
17969 print_multi_reg, output_mov_long_double_fpa_from_arm,
17970 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
17971 output_mov_double_fpa_from_arm, output_move_double,
17972 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
17973 output_return_instruction, arm_output_function_prologue,
17974 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
17975 arm_output_mi_thunk, thumb_set_return_address): Ditto.
17976 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
17977 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
17978 (arithmetic_instr, shift_op): Use arm_shift_nmem.
17979 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
17980 '!' and 'L'.
17981 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
17982 (thumb_expand_prologue): Use thumb_set_frame_pointer.
17983 (arm_file_start): Output directive for unified syntax.
17984 (arm_unwind_emit_set): Handle stack alignment instruction.
17985 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
17986 Add v6t2, v7, v7a, v7r and v7m.
17987 (RETLDM): Add Thumb-2 code.
17988 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
17989 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
17990 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
17991 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
17992 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
17993 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
17994 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
17995 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
17996 ADJUST_INSN_LENGTH): Define.
17997 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
17998 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
17999 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
18000 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
18001 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
18002 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
18003 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
18004 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
18005 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
18006 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
18007 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
18008 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
18009 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
18010 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
18011 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
18012 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
18013 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
18014 cortex-m3.
18015 * config/arm/arm-tune.md: Regenerate.
18016 * config/arm/arm-protos.h: Update prototypes.
18017 * config/arm/vfp.md: Enable patterns for Thumb-2.
18018 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
18019 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
18020 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
18021 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
18022 * config/arm/libunwind.S: Add Thumb-2 code.
18023 * config/arm/constraints.md: Update include Thumb-2.
18024 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
18025 * config/arm/ieee754-df.S: Ditto.
18026 * config/arm/bpabi.S: Ditto.
18027 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
18028 * config/arm/predicates.md (low_register_operand,
18029 low_reg_or_int_operand, thumb_16bit_operator): New.
18030 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
18031 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
18032 * config/arm/t-arm-elf: Add armv7 multilib.
18033 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
18034 Include thumb2.md.
18035 (UNSPEC_STACK_ALIGN, ce_count): New.
18036 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
18037 arm_zero_extendsidi2, arm_zero_extendqidi2): New
18038 insns/expanders.
18039 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
18040 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
18041 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
18042 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
18043 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
18044 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
18045 insns.
18046 * doc/extend.texi: Document ARMv7-M interrupt functions.
18047 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
18048
18049 2007-01-03 Jakub Jelinek <jakub@redhat.com>
18050
18051 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
18052 (struct _Unwind_Context): Rename args_size to flags, remove
18053 signal_frame field, add a new args_size field and version field.
18054 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
18055 _Unwind_IsExtendedContext): New inline functions.
18056 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
18057 Assume by_value array is only present if _Unwind_IsExtendedContext.
18058 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
18059 _Unwind_IsSignalFrame.
18060 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
18061 (uw_update_context_1): Use _Unwind_SetSignalFrame.
18062 (uw_init_context_1): Initialize context->flags to
18063 EXTENDED_CONTEXT_BIT.
18064 * config/rs6000/linux-unwind.h (frob_update_context): Use
18065 _Unwind_SetSignalFrame.
18066
18067 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
18068
18069 PR middle-end/30353
18070 * gimplify.c (gimplify_modify_expr_complex_part): Move below
18071 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
18072 the value.
18073
18074 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
18075
18076 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
18077 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
18078 RET, AT_SP): Remove.
18079 * config/i386/i386.md (*sse_prologue_save_insn): Use return
18080 instead of RET.
18081
18082 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18083 * cfgbuild.c (find_basic_blocks): Likewise.
18084 * cfgrtl.c (rtl_create_basic_block): Likewise.
18085 * function.c (temp_slots_at_level): Likewise.
18086 * reg-stack.c (stack_regs_mentioned): Likewise.
18087 * regclass.c (allocate_reg_info): Likewise.
18088 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18089 set_bb_for_stmt, move_block_to_fn): Likewise.
18090 * tree-complex.c (tree_lower_complex): Likewise.
18091 * vec.h (VEC_safe_grow_cleared): New.
18092
18093 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
18094
18095 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
18096
18097 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
18098 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
18099 to loop_version.
18100 * cfgloopmanip.c (scale_loop_frequencies): Export.
18101 (loopify): Scale the frequencies by prescribed coefficients.
18102 (set_zero_probability): New function.
18103 (duplicate_loop_to_header_edge): Improve updating of frequencies.
18104 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
18105 and frequencies according to arguments.
18106 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
18107 correctly.
18108 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
18109 * modulo-sched.c (sms_schedule): Set probabilities for entering
18110 versioned loop correctly.
18111 * tree-vect-transform.c (vect_transform_loop): Ditto.
18112 * cfgloop.h (loopify, loop_version): Declaration changed.
18113 (scale_loop_frequencies): Declared.
18114
18115 2007-01-02 Jan Hubicka <jh@suse.cz>
18116
18117 * cgraph.c: Include tree-flow.h
18118 (cgraph_add_new-function): Handle IPA_SSA mode; execute
18119 early_local_passes.
18120 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
18121 * tree-pass.h (pass_all_early_optimizations): Declare.
18122 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
18123 early_local_passes.
18124 (cgraph_analyze_function): Do early_local_passes.
18125 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18126 Do not add referenced vars.
18127 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
18128 SSA form.
18129 (gate_all_early_local_passes): New gate.
18130 (pass_early_local_passes): Use new gate.
18131 (execute_early_local_optimizations): New functions.
18132 (gate_all_early_optimizations): New gate.
18133 (pass_all_early_optimizations): New pass.
18134 (execute_free_datastructures): Free SSA only when initialized.
18135 (gate_init_datastructures): Init only when optimizing.
18136 (tree_lowering_passes): Do early local passes when called late.
18137 * tree-profile.c (do_tree_profiling): Don't profile functions added
18138 late.
18139 (do_early_tree_profiling, pass_early_tree_profile): Kill.
18140 * tree-cfg.c (update_modified_stmts): Do not update when operands are
18141 not active.
18142 * passes.c (init_optimizations_passes): Reorder so we go into SSA
18143 during early_local_passes.
18144 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
18145
18146
18147 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18148
18149 * Makefile.in: Update copyright year.
18150
18151 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18152
18153 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
18154 in $(lang_checks) and check-consistency targets.
18155
18156 2007-01-02 Jan Hubicka <jh@suse.cz>
18157
18158 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18159 Do not add referenced vars.
18160 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
18161 are not active.
18162 * passes.c (init_optimization_passes): Put mudflap_2 after
18163 free_datastructures.
18164
18165 2007-01-02 Jan Hubicka <jh@suse.cz>
18166
18167 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
18168 Set NOTHROW flag on call statements proved to be nothrow.
18169 Update statement of local calls so new pure/const functions are
18170 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
18171 goto receivers.
18172 (tree_rest_of_compilation): Register hooks and initialize bitmap
18173 early. Do not set after_inlining flag.
18174
18175 2007-01-02 Steve Ellcey <sje@cup.hp.com>
18176
18177 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
18178 HOST_BITS_PER_LONGLONG
18179
18180 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18181
18182 PR c/19977
18183 * c-typeck.c (store_init_value): Don't emit pedantic overflow
18184 warning for non-static initializers.
18185
18186 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
18187
18188 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
18189 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
18190 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
18191 Always use set_unique_reg_note to add REG_EQUAL notes.
18192
18193 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18194
18195 Revert:
18196 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18197
18198 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18199 * cfgbuild.c (find_basic_blocks): Likewise.
18200 * cfgrtl.c (rtl_create_basic_block): Likewise.
18201 * function.c (temp_slots_at_level): Likewise.
18202 * reg-stack.c (stack_regs_mentioned): Likewise.
18203 * regclass.c (allocate_reg_info): Likewise.
18204 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18205 set_bb_for_stmt, move_block_to_fn): Likewise.
18206 * tree-complex.c (tree_lower_complex): Likewise.
18207 * vec.h (VEC_safe_grow_cleared): New.
18208
18209 2007-01-02 Ian Lance Taylor <iant@google.com>
18210
18211 * c-common.c (c_common_truthvalue_conversion): When warning about
18212 using an assignment as a truth value, set TREE_NO_WARNING.
18213
18214 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18215
18216 PR middle-end/7651
18217 * c.opt (Wold-style-declaration): New.
18218 * doc/invoke.texi (C-only Warning Options): New.
18219 (Wold-style-declaration): Document it.
18220 (Wextra): Enabled by -Wextra.
18221 * c-opts.c (c_common_post_options): Enabled by -Wextra.
18222 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
18223 -Wold-style-declaration.
18224
18225 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18226
18227 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18228 * cfgbuild.c (find_basic_blocks): Likewise.
18229 * cfgrtl.c (rtl_create_basic_block): Likewise.
18230 * function.c (temp_slots_at_level): Likewise.
18231 * reg-stack.c (stack_regs_mentioned): Likewise.
18232 * regclass.c (allocate_reg_info): Likewise.
18233 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18234 set_bb_for_stmt, move_block_to_fn): Likewise.
18235 * tree-complex.c (tree_lower_complex): Likewise.
18236 * vec.h (VEC_safe_grow_cleared): New.
18237
18238 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
18239
18240 * c-common.c (c_common_nodes_and_builtins): Since variants of
18241 void_type_node get built before it is given a name, we need to
18242 give those variants the name, too.
18243 (complete_array_type): We need to work with the canonical main
18244 type of the array, from which we will build the qualified version.
18245 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
18246 * print-tree.c (print_node): Display canonical type information
18247 for each type.
18248 * stor-layout.c (layout_type): When we don't know the
18249 alignment of a type for which we're building an array, we end up
18250 guessing wrong, so make the type require structural equality.
18251 * tree.c (make_node_stat): When we build a new type, it is its
18252 own canonical type.
18253 (build_type_attribute_qual_variant): When building an attribute
18254 variant, its canonical type is the non-attribute variant. However,
18255 if the attributes are target-dependent and they differ, we need to
18256 use structural equality checks for this type.
18257 (build_qualified_type): A qualified type is not equivalent to its
18258 unqualified variant; set the canonical type appropriately.
18259 (build_distinct_type_copy): When building a distinct type from
18260 another type, the new type is its own canonical type.
18261 (build_variant_type_copy): When building a new type variant, we
18262 assume that it is equivalent to the original type.
18263 (build_pointer_type_for_mode): When building a pointer type, also
18264 build a canonical type pointer.
18265 (build_reference_type_for_mode): When building a reference type,
18266 also build a canonical type reference.
18267 (build_index_type): When we can't hash an index type (e.g.,
18268 because its maximum value is negative), the index type requires
18269 structural equality tests.
18270 (build_array_type): Build the canonical form of an array type.
18271 (build_function_type): Function types require structural equality,
18272 because they contain default arguments, attributes, etc.
18273 (build_method_type_directly): Ditto for method types.
18274 (build_offset_type): Build the canonical offset type.
18275 (build_complex_type): Build the canonical vector type.
18276 (make_vector_type): Build the canonical vector type.
18277 * tree.h (TYPE_CANONICAL): New.
18278 (TYPE_STRUCTURAL_EQUALITY_P): New.
18279 (SET_TYPE_STRUCTURAL_EQUALITY): New.
18280 (struct tree_type): Added "canonical" field.
18281 * params.h (VERIFY_CANONICAL_TYPES): New.
18282 * doc/c-tree.texi (TYPE_CANONICAL): Document.
18283 (TYPE_STRUCTURAL_EQUALITY_P): Document.
18284 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
18285 * doc/invoke.texi (verify-canonical-types): Document --param
18286 parameter for verifying canonical types.
18287
18288 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18289
18290 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
18291 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
18292 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
18293 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
18294 tm_file.
18295 * config/rs6000/e500.h: New.
18296 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
18297 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
18298 Remove.
18299 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
18300 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
18301 TARGET_E500_DOUBLE): Remove.
18302 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
18303 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
18304 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
18305 * config/rs6000/rs6000.c (rs6000_override_options): Use
18306 CHECK_E500_OPTIONS.
18307
18308 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18309
18310 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
18311 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
18312 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
18313 rs6000_emit_cmove): Don't check TARGET_E500.
18314 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
18315 sordered): Don't check TARGET_E500.
18316
18317 2007-01-01 Eric Christopher <echristo@apple.com>
18318
18319 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
18320 HARD_REGISTER_NUM_P.
18321
18322 2007-01-01 Roger Sayle <roger@eyesopen.com>
18323
18324 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
18325 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
18326 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
18327 eq/ne Y".
18328
18329 2007-01-01 Mike Stump <mrs@apple.com>
18330
18331 * configure.ac: Remove support for building with Apple's gcc-3.1.
18332
18333 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18334
18335 PR middle-end/30311
18336 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
18337 REG is a hard register. Do not modify REG before calling
18338 subreg_nregs.
18339 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
18340 multiple of the size of YMODE for certain lowpart cases.
18341
18342 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18343
18344 PR middle-end/30253
18345 * gimplify (voidify_wrapper_expr): Update for
18346 GIMPLE_MODIFY_STMT.
18347
18348 2007-01-01 Andreas Schwab <schwab@suse.de>
18349
18350 PR target/29166
18351 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
18352 save of BR0 in extra_spill_size instead of spill_size.
18353 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
18354 area.
18355 (ia64_expand_epilogue): Restore BR0 from its new location.
18356
18357 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18358
18359 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
18360 Use a temporary variable if the left hand side is not a gimple
18361 register.
18362
18363 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18364
18365 * gimplify.c (gimplify_return_expr): Make the temporary variable
18366 for the return expression, a gimple register variable.
18367
18368 2007-01-01 Jan Hubicka <jh@suse.cz>
18369
18370 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
18371 INSN_LIST.
18372
18373 2007-01-01 Mike Stump <mrs@apple.com>
18374
18375 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
18376 .literal16.
18377 * config/darwin.c (machopic_select_rtx_section): Use
18378 HAVE_GAS_LITERAL16.
18379 (darwin_mergeable_constant_section): Likewise.
18380 * configure: Regenerate.
18381 * config.in: Regenerate.
18382
18383 2007-01-01 Jan Hubicka <jh@suse.cz>
18384 Andrew Pinski <pinskia@gmail.com>
18385
18386 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
18387 before starting IPA passes.