tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR the same as NOP_EXPR.
[gcc.git] / gcc / ChangeLog
1 2007-07-04 Richard Guenther <rguenther@suse.de>
2
3 * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
4 the same as NOP_EXPR.
5
6 2007-07-04 Nick Clifton <nickc@redhat.com>
7
8 * target.h (struct gcc_target): Add target_help field.
9 * target-def.h (TARGET_HELP): New.
10 (TARGET_INITIALIZER): Use TARGET_HELP.
11 * opts.c (command_handle_option): Invoke target_help function, if
12 defined, when the user has specified --target-help on the command
13 line.
14 * doc/invoke.texi: Mention that --target-help might print
15 additional information.
16 * doc/tm.texi: Document TARGET_HELP hook.
17
18 * arm.c (TARGET_HELP): Override default definition.
19 (arm_target_help): New - display a wrapped list of cores and
20 architectures supported.
21
22 2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
23
24 * config/gcc/v850/v850.c (expand_prologue): Make sure
25 GEN_INT() argument is sign extended rather than zero extended.
26 (expand_epilogue): Likewise.
27 (output_move_double): Delete.
28 * config/gcc/v850/v850-protos.h (output_move_double): Delete.
29 * config/gcc/v850/v850.md (movdi): Delete.
30 (*movdi_internal): Delete.
31 (movdf): Delete.
32 (*movdf_internal): Delete.
33
34 2007-07-04 Richard Sandiford <richard@codesourcery.com>
35
36 * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
37 unless compiling RTP PIC.
38
39 2007-07-04 Richard Guenther <rguenther@suse.de>
40
41 PR tree-optimization/32482
42 * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
43 original ssa name if we didn't find a shift expression.
44 Fix shift constant for bit zero test.
45
46 2007-07-04 Richard Sandiford <richard@codesourcery.com>
47
48 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
49
50 2007-07-04 Richard Sandiford <richard@codesourcery.com>
51
52 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
53 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
54 * config/arm/vxworks.h (ASM_SPEC): Delete.
55 (SUBTARGET_EXTRA_ASM_SPEC): Define.
56
57 2007-07-04 Sebastian Pop <sebpop@gmail.com>
58
59 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
60 (DDR_REVERSED_P): New.
61 * tree-data-ref.c (initialize_data_dependence_relation,
62 build_classic_dist_vector): Set DDR_REVERSED_P.
63
64 2007-07-04 Sebastian Pop <sebpop@gmail.com>
65
66 PR middle-end/32457
67 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
68 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
69 init_omega_for_ddr_1): Use non conservative number of iterations
70 estimations.
71 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
72 (analyze_siv_subscript): Remove FIXME and reinitialization of
73 last_conflicts to chrec_dont_know.
74 * testsuite/gfortran.dg/vect/pr32457.f90: New.
75
76 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
77
78 * tree.c (maybe_canonicalize_argtypes): Improve description.
79
80 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
81
82 * tree.c (maybe_canonicalize_argtypes): New.
83 (build_function_type): Set canonical type.
84 (build_method_type_directly): Ditto.
85 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
86 properly.
87
88 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
89
90 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
91 like PLUS_EXPR.
92 (rewrite_use_nonlinear_expr): Likewise.
93
94 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
95
96 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
97
98 2007-07-04 Ben Elliston <bje@au.ibm.com>
99
100 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
101 of this file.
102
103 * c-objc-common.c (c_types_compatible_p): Fix indentation.
104
105 * doc/tm.texi (Run-time Target): Capitalise "CPU".
106 (Exception Handling): Likewise.
107
108 2007-07-03 Jan Hubicka <jh@suse.cz>
109
110 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
111
112 2007-07-03 Eric Christopher <echristo@apple.com>
113
114 * doc/cppopts.texi: Add conflicting option note to -dM.
115 * doc/invoke.texi: Add note about possible conflicts with
116 -E for -dCHARS and note that -dM will not produce
117 any results if there is no machine dependent reorg.
118
119 2007-07-03 Geoffrey Keating <geoffk@apple.com>
120
121 * tree.h (DECL_ALIGN): Back out previous change.
122
123 2007-07-03 Joseph Myers <joseph@codesourcery.com>
124
125 * configure.ac: Test for .dtprelword support on MIPS.
126 * configure, config.in: Regenerate.
127 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
128 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
129
130 2007-07-03 Julian Brown <julian@codesourcery.com>
131
132 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
133 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
134 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
135 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
136 capability.
137 (all_fpus): Add FPUTYPE_VFP3.
138 (fp_model_for_fpu): Add VFPv3 field.
139 (arm_rtx_costs_1): Give cost to VFPv3 constants.
140 (vfp3_const_double_index): New function. Return integer index of
141 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
142 isn't suitable.
143 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
144 and argument represents a valid RTX for a VFPv3 constant.
145 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
146 two instructions.
147 (vfp_emit_fstmd): Similar, for fstmd.
148 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
149 constants, represented as integer indices.
150 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
151 VFP_REGNO_OK_FOR_DOUBLE macros.
152 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
153 (arm_file_start): Set float-abi attribute for VFPv3, and output
154 correct ".fpu" assembler directive.
155 (arm_dbx_register_numbering): Add FIXME.
156 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
157 (fputype): Add FPUTYPE_VFP3.
158 (FIXED_REGISTERS): Add 32 registers for D16-D31.
159 (CALL_USED_REGISTERS): Likewise.
160 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
161 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
162 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
163 (D7_VFP_REGNUM): New.
164 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
165 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
166 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
167 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
168 (REG_ALLOC_ORDER): Adjust for VFPv3.
169 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
170 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
171 VFP_LO_REGS, VFP_HI_REGS.
172 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
173 (IS_VFP_CLASS): Define macro.
174 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
175 IS_VFP_CLASS.
176 (REGISTER_MOVE_COST): Likewise.
177 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
178 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
179 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
180 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
181 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
182 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
183 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
184 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
185 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
186 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
187 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
188 where appropriate for single-word registers.
189 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
190 As above. Fix type attributes.
191 * config/arm/constraints.md (register_contraint "t"): Define.
192 (register_constraint "w"): Change to D0-D15, or D0-D31 for
193 VFPv3/NEON.
194 (register_constraint "x"): Define.
195 (constraint "Dv"): Define.
196
197 2007-07-03 Geoffrey Keating <geoffk@apple.com>
198
199 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
200
201 2007-07-03 Tom Tromey <tromey@redhat.com>
202
203 * c-parser.c (objc_pq_context): Removed.
204 (objc_need_raw_identifier): Likewise.
205 (c_parser) <objc_pq_context>: New field.
206 <objc_need_raw_identifier>: Likewise.
207 (OBJC_NEED_RAW_IDENTIFIER): Removed.
208 (c_lex_one_token): Update.
209 (c_parser_objc_protocol_definition): Update.
210 (c_parser_objc_method_definition): Update.
211 (c_parser_objc_methodproto): Update.
212 (c_parser_declspecs): Update.
213
214 2007-07-03 David Ung <davidu@mips.com>
215
216 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
217
218 2007-07-03 David Ung <davidu@mips.com>
219 Richard Sandiford <richard@codesourcery.com>
220
221 * doc/invoke.texi: Document -march=74kf3_2.
222 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
223 (TUNE_74K): Check for it.
224 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
225 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
226 * config/mips/mips.md (cpu): Add 74kf3_2.
227 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
228 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
229 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
230 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
231 74kf3_2 to the CPU list.
232 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
233 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
234 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
235 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
236 (r74kf3_2_fxfer_from_c1): New insn reservations.
237
238 2007-07-03 Richard Sandiford <richard@codesourcery.com>
239 David Ung <davidu@mips.com>
240
241 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
242 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
243 and 74k[fx]. Document aliases for the new options.
244 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
245 (PROCESSOR_24KF2_1): ...this.
246 (PROCESSOR_24KX): Rename to...
247 (PROCESSOR_24KF1_1): ...this.
248 (PROCESSOR_74KF): Rename to...
249 (PROCESSOR_74KF2_1): ...this.
250 (PROCESSOR_74KX): Rename to...
251 (PROCESSOR_74KF1_1): ...this.
252 (TUNE_74K): Update PROCESSOR_* names.
253 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
254 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
255 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
256 (mips_rtx_cost_data): Update processor names in comments.
257 (mips_issue_rate): Update PROCESSOR_* names.
258 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
259 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
260 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
261 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
262 Update cpu attribute names.
263 (r24k_fpu_iss): Rename this reservation to...
264 (r24kf2_1_fpu_iss): ...this and update all uses.
265 (r24kx_fpu_iss): Rename this reservation to...
266 (r24kf1_1_fpu_iss): ...this and update all uses.
267 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
268 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
269 Update cpu attribute names.
270
271 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
272
273 * config/m32r/constraints.md: New file.
274 * config/m32r/m32r.c: Include tm-constrs.h.
275 (small_data_operand): Use satisfies_constraint_* instead of macro.
276 (addr24_operand, gen_compare): Likewise.
277 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
278 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
279 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
280 EXTRA_CONSTRAINT): Likewise.
281 * config/m32r/m32r.md: Include constraints.md.
282 (*movsi_insn): Use satisfies_constraint_* instead of macro.
283 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
284 * config/m32r/predicates.md (conditional_move_operand): Likewise.
285 (two_insn_const_operand, int8_operand, uint16_operand,
286 reg_or_int16_operand, reg_or_uint16_operand,
287 reg_or_cmp_int16_operand, cmp_int16_operand,
288 seth_add3_operand): Likewise.
289
290 2007-07-03 Eric Christopher <echristo@gmail.com>
291
292 * libgcc2.h: Conditionally declare __bswapsi2 and
293 __bswapdi2.
294
295 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
296
297 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
298 defined.
299
300 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
301
302 PR target/28307
303 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
304 (__gthrw_pragma): Provide default definition.
305 (__gthrw2): Use it.
306 * gthr-posix.c (__gthrw_pragma): Define.
307
308 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
309
310 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
311 before declaring inequality.
312
313 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
314
315 * combine.c (recog_for_combine): Log the success or failure of
316 matching new insn patterns against the machine description in
317 detailed dumps.
318
319 2007-07-03 Revital Eres <eres@il.ibm.com>
320
321 * ddg.c (print_sccs): New function.
322 (check_sccs): New function.
323 (create_ddg_all_sccs): Use it.
324 * ddg.h (print_sccs): Declare.
325 * modulo-sched.c (sms_order_nodes): Call print_sccs.
326
327 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
328
329 * targhooks.h (default_mode_for_suffix): New function declaration.
330 * targhooks.c (default_mode_for_suffix): New default target hook.
331 * target.h (struct c): New structure in the targetm struct.
332 (mode_for_suffix): New target hook as part of struct c.
333 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
334 default_mode_for_suffix.
335 (TARGET_C): New define.
336 * c-lex.c: Include "target.h".
337 (interpret_float): Use targetm.c.mode_for_suffix to determine
338 the mode for a given non-standard suffix.
339 Makefile.in (c-lex.o): Depend on $(TARGET_H).
340
341 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
342 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
343
344 * doc/extend.texi (Floating Types): New node. Document __float80 and
345 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
346
347 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
348
349 PR target/32506
350 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
351 predicate instead of target_operand.
352 (divsi3_i1_media, divsi3_media_2): Likewise.
353
354 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
355
356 * tree.h (alias_sets_might_conflict_p): Rename into
357 alias_sets_must_conflict_p.
358 * alias.c (alias_sets_might_conflict_p): Likewise.
359 (alias_sets_conflict_p): Use it.
360 (objects_must_conflict_p): Likewise.
361 * c-common.c (strict_aliasing_warning): Adjust.
362
363 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
364
365 * rtlhooks.c (gen_lowpart_if_possible): Check for
366 invalid subreg before calling gen_lowpart_SUBREG.
367
368 2007-07-02 Geoffrey Keating <geoffk@apple.com>
369
370 * config/darwin9.h: Add copyright notice.
371 (LINK_COMMAND_SPEC): Add comment.
372 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
373 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
374 DARWIN_LIBSYSTEM_HAS_UNWIND.
375
376 2007-07-02 Jakub Jelinek <jakub@redhat.com>
377
378 PR libgomp/32468
379 * omp-low.c (check_combined_parallel): New function.
380 (lower_omp_parallel): Call it via walk_stmts, set
381 OMP_PARALLEL_COMBINED if appropriate.
382 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
383 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
384 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
385 don't consider it as combined parallel.
386
387 2007-07-02 Richard Sandiford <richard@codesourcery.com>
388
389 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
390 (gcc_tooldir): Likewise.
391 * configure: Regenerate.
392 * Makefile.in (libsubdir_to_prefix): New variable, based on the
393 old configure.ac gcc_tooldir setting.
394 (prefix_to_exec_prefix): New variable.
395 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
396 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
397
398 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
399
400 Fix PR tree-optimization/32583
401 Fix PR tree-optimization/32584
402 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
403 (phi_translate_set): Use phi_translate directly now.
404 (make_values_for_stmt): Don't value number RHS if we already know
405 it is constant.
406
407 2007-07-02 Steve Ellcey <sje@cup.hp.com>
408 Jim Wilson <wilson@specifix.com>
409
410 PR target/31684
411 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
412 copy_insn.
413
414 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
415 Richard Sandiford <richard@codesourcery.com>
416 Nigel Stephens <nigel@mips.com>
417
418 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
419 (mips16e_output_save_restore): Declare.
420 (mips16e_save_restore_pattern_p): Likewise.
421 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
422 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
423 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
424 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
425 (BITSET_P): New global macro, extracted from...
426 (mips_for_each_saved_reg): ...here.
427 (mips16e_save_restore_info): New struct.
428 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
429 (mips16e_save_restore_regs): New variable.
430 (mips_split_plus, mips16e_find_first_register): New functions.
431 (mips16e_mask_registers): New function.
432 (compute_frame_size): Expand the commentary before the function.
433 Enforce the MIPS16e save and restore register range restrictions.
434 Pad the general register save area at the low end.
435 (mips16e_save_restore_reg, mips16e_build_save_restore)
436 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
437 (mips16e_output_save_restore, mips16e_collect_propagate_value)
438 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
439 New functions.
440 (mips_expand_prologue, mips_expand_epilogue): Handle
441 GENERATE_MIPS16E_SAVE_RESTORE.
442 * config/mips/mips.md (*mips16e_save_restore): New pattern.
443
444 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
445
446 PR tree-optimization/31966
447 PR tree-optimization/32533
448 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
449 "basic_block" description as its third argument. Update function
450 calls to get destination bb from "edge" argument. Save "cond" into
451 aux field of the edge. Update prototype for changed arguments.
452 (if_convertible_loop_p): Clear aux field of incoming edges if bb
453 contains phi node.
454 (find_phi_replacement_condition): Operate on incoming edges, not
455 on predecessor blocks. If there is a condition saved in the
456 incoming edge aux field, AND it with incoming bb predicate.
457 Return source bb of the first edge.
458 (clean_predicate_lists): Clean aux field of outgoing node edges.
459 (tree_if_conversion): Do not initialize cond variable. Move
460 variable declaration into the loop.
461 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
462 initializations of new_stmt, arg0 and arg1 variables.
463
464 2007-07-02 Jakub Jelinek <jakub@redhat.com>
465
466 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
467 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
468
469 2007-07-02 Richard Guenther <rguenther@suse.de>
470
471 * tree-ssa.c (useless_type_conversion_p): Document
472 future intent as defining the middle-end type system.
473 Re-structure to call langhook last, group by type class,
474 mark questionable parts.
475
476 2007-07-02 Richard Guenther <rguenther@suse.de>
477
478 * tree-flow.h (types_compatible_p): Declare.
479 * tree-ssa.c (types_compatible_p): New function.
480 * ipa-type-escape.c (discover_unique_type): Use
481 types_compatible_p instead of lang_hooks.types_compatible_p.
482 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
483 * tree-vn.c (expressions_equal_p): Likewise.
484 * tree.c (fields_compatible_p): Likewise.
485 * tree-ssa-dom.c (avail_expr_eq): Likewise.
486 (cprop_operand): Use useless_type_conversion_p instead of
487 lang_hooks.types_compatible_p.
488 * tree-inline.c (setup_one_parameter): Likewise.
489 (declare_return_variable): Likewise.
490 * tree-nrv.c (tree_nrv): Likewise.
491 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
492 (maybe_fold_offset_to_component_ref): Likewise.
493 (maybe_fold_offset_to_reference): Likewise.
494 * tree-ssa-copy.c (may_propagate_copy): Likewise.
495 (merge_alias_info): Likewise.
496 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
497 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
498 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
499 * tree-tailcall.c (find_tail_calls): Likewise.
500 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
501 * gimplify.c (canonicalize_addr_expr): Likewise.
502 (fold_indirect_ref_rhs): Likewise.
503 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
504 (cpt_same_type): Likewise.
505 (check_pointer_types_r): Swap parameters to cpt_same_type
506 where appropriate.
507 * fold-const.c (fold_convert): Revert fix for PR15988.
508 * tree-inline.c (setup_one_parameter): Instead fix it here by
509 using fold_build1 instead of fold_convert and checking for
510 error_mark_node. Convert only if the conversion is necessary.
511
512 2007-07-02 Joseph Myers <joseph@codesourcery.com>
513
514 * configure.ac: Check for .gnu_attribute on Power.
515 * configure: Regenerate.
516 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
517 attribute for floating-point ABI.
518
519 2007-07-02 Ira Rosen <irar@il.ibm.com>
520
521 PR tree-optimization/32230
522 PR tree-optimization/32477
523 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
524 address is a constant.
525
526 2007-07-02 Richard Sandiford <richard@codesourcery.com>
527
528 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
529 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
530 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
531 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
532 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
533 64-bit targets. Add support for *-elfoabi*.
534 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
535 different settings if $(tm_defines) does not select the EABI.
536 (MULTILIB_EXCLUSIONS): Define in those circumstances.
537 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
538 (MIPS_ARCH_OPTION_SPEC): Likewise.
539 (MIPS_ISA_LEVEL_SPEC): Likewise.
540 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
541 * config/mips/elfoabi.h: New file.
542
543 2007-07-02 Richard Guenther <rguenther@suse.de>
544
545 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
546 (useless_type_conversion_p): ... this.
547 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
548 (useless_type_conversion_p): ... this.
549 * builtins.c (fold_builtin_memory_op): Rename
550 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
551 * tree-cfg.c (verify_expr): Likewise.
552 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
553 * tree-ssa-ccp.c (ccp_fold): Likewise.
554 * tree-ssa-copy.c (may_propagate_copy): Likewise.
555 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
556 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
557 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
558 * tree-ssa-pre.c (eliminate): Likewise.
559 * tree-ssa.c (delete_tree_ssa): Likewise.
560 (tree_ssa_useless_type_conversion): Likewise.
561 * tree.c (build2_stat): Likewise.
562
563 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
564
565 Fix PR tree-optimization/32571
566 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
567 simplifying them.
568
569 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
570
571 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
572 and other expected operations explicitly, change default to
573 gcc_unreachable.
574
575 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
576
577 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
578 PARALLEL.
579 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
580 (tls_load_dot_plus_eight): Move the label number into the unspec.
581 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
582
583 2007-07-01 Andreas Schwab <schwab@suse.de>
584
585 * dwarf2out.c (initial_return_save): Define only if used.
586
587 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
588
589 Unreverting Richard's Revert of:
590
591 2007-06-27 Richard Sandiford <richard@codesourcery.com>
592
593 * dce.c (deletable_insn_p_1): New function, split out from...
594 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
595 specially, not those inside PARALLELs. Remove BODY argument
596 and adjust recursive call accordingly.
597 (prescan_insns_for_dce): Update call to delete_insn_p.
598
599 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
600 Revital Eres <eres@il.ibm.com>
601
602 * ddg.c (create_ddg_all_sccs): Fix missed
603 initialization of scc_nodes.
604
605 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
606
607 PR middle-end/32559
608 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
609 X + ~X to 1 only for INTEGRAL_TYPE_P type.
610
611 2007-06-30 Joseph Myers <joseph@codesourcery.com>
612
613 * configure.ac: Check for .gnu_attribute on MIPS.
614 * configure, config.in: Regenerate.
615 * config/mips/mips.c (mips_file_start): If supported, output
616 attribute for floating-point ABI.
617
618 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
619
620 PR target/32433
621 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
622 (ffs_cmove): New expander to expand using ctz pattern.
623 (*ffs_cmove): Remove pattern.
624 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
625 (ffsdi2): Expand using ctz pattern.
626 (*ffs_rex64): Remove pattern.
627
628 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
629
630 PR rtl-optimization/32296
631 * pa.md (return): Delete pattern.
632 (return_internal): Remove "(const_int 1)" from pattern.
633 (epilogue): Use return_internal pattern for trivial returns.
634 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
635 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
636
637 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
638
639 * tree-ssa-pre.c (is_exception_related): New function
640 (can_value_number_operation): Use it.
641
642 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
643
644 Fix PR tree-optimization/32540
645 Fix PR tree-optimization/31651
646
647 * tree-ssa-sccvn.c: New file.
648
649 * tree-ssa-sccvn.h: Ditto.
650
651 * tree-vn.c: Include tree-ssa-sccvn.h
652 (val_expr_paid_d): Removed.
653 (value_table): Ditto.
654 (vn_compute): Ditto.
655 (val_expr_pair_hash): Ditto.
656 (val_expr_pair_expr_eq): Ditto.
657 (copy_vuses_from_stmt): Ditto.
658 (vn_delete): Ditto.
659 (vn_init): Ditto.
660 (shared_vuses_from_stmt): Ditto.
661 (print_creation_to_file): Moved up.
662 (sort_vuses): Ditto.
663 (sort_vuses_heap): Ditto.
664 (set_value_handle): Make non-static.
665 (make_value_handle): Ditto.
666 (vn_add): Rewritten to use sccvn lookups.
667 (vn_add_with_vuses): Ditto.
668 (vn_lookup): Ditto (and second argument removed).
669 (vn_lookup_with_vuses): Ditto.
670 (vn_lookup_or_add): Ditto (and second argument removed);
671 (vn_lookup_or_add_with_vuses): Ditto.
672 (vn_lookup_with_stmt): New.
673 (vn_lookup_or_add_with_stmt): Ditto.
674 (create_value_handle_for_expr): Ditto.
675
676 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
677 (seen_during_translate): New function.
678 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
679 (phi_trans_add): Ditto.
680 (constant_expr_p): FIELD_DECL is always constant.
681 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
682 Use constant_expr_p.
683 Avoid infinite recursion on mutually valued expressions.
684 Change callers of vn_lookup_or_add.
685 (phi_translate): New function.
686 (compute_antic_safe): Allow phi nodes.
687 (create_component_ref_by_pieces): Update for FIELD_DECL change.
688 (find_or_generate_expression): Rewrite slightly.
689 (create_expression_by_pieces): Updated for vn_lookup_or_add
690 change.
691 Update VN_INFO for new names.
692 (insert_into_preds_of_block): Update for new names.
693 (add_to_exp_gen): New function.
694 (add_to_sets): Use vn_lookup_or_add_with_stmt.
695 (find_existing_value_expr): Rewrite to changed vn_lookup.
696 (create_value_expr_from): Ditto, and use add_to_exp_gen.
697 (try_look_through_load): Removed.
698 (try_combine_conversion): Ditto.
699 (get_sccvn_value): New function.
700 (make_values_for_phi): Ditto.
701 (make_values_for_stmt): Ditto.
702 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
703 SCCVN.
704 (init_pre): Update for SCCVN changes.
705 (fini_pre): Ditto.
706 (execute_pre): Ditto.
707
708 * tree-flow.h (make_value_handle): Declare.
709 (set_value_handle): Ditto.
710 (sort_vuses_heap): Ditto.
711 (vn_lookup_or_add_with_stmt): Ditto.
712 (vn_lookup_with_stmt): Ditto.
713 (vn_compute): Remove.
714 (vn_init): Ditto.
715 (vn_delete): Ditto.
716 (vn_lookup): Update arguments.
717
718 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
719 (tree-vn.o): Ditto.
720 (tree-ssa-sccvn.o): New.
721 (OBJS-common): Add tree-ssa-sccvn.o
722
723 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
724
725 PR c/4076
726 * c-typeck.c (build_external_ref): Don't mark as used if called
727 from itself.
728 * calls.c (rtx_for_function_call): Likewise.
729
730 2007-06-30 Richard Sandiford <richard@codesourcery.com>
731
732 Revert:
733
734 2007-06-27 Richard Sandiford <richard@codesourcery.com>
735
736 * dce.c (deletable_insn_p_1): New function, split out from...
737 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
738 specially, not those inside PARALLELs. Remove BODY argument
739 and adjust recursive call accordingly.
740 (prescan_insns_for_dce): Update call to delete_insn_p.
741
742 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
743
744 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
745 (try_combine): Move potential calls to undo_all() so they happen
746 before we commit to using the combined insns.
747
748 2006-06-30 Jan Hubicka <jh@suse.cz>
749
750 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
751 code.
752
753 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
754
755 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
756 (cgraph_remove_unreachable_nodes): Likewise.
757 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
758 * ipa-inline.c (update_caller_keys): Cast according to the coding
759 conventions.
760 (cgraph_decide_recursive_inlining): Likewise.
761 (cgraph_decide_inlining_of_small_function): Likewise.
762 (try_inline): Likewise.
763 (cgraph_decide_inlining_incrementally): Likewise.
764 * ipa-pure-const.c (get_function_state): Likewise.
765 (scan_function): Likewise.
766 (analyze_function): Likewise.
767 (static_execute): Likewise.
768 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
769 (merge_callee_local_info): Likewise.
770 (analyze_function): Use type safe memory macros.
771 (static_execute): Likewise. Cast according to the coding conventions.
772 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
773 conventions.
774 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
775 names.
776 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
777 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
778 variable names.
779
780 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
781
782 PR middle-end/30024
783 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
784 for complex modes (both int and real).
785
786 2007-06-29 Jan Hubicka <jh@suse.cz>
787
788 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
789
790 2007-06-29 Jan Hubicka <jh@suse.cz>
791
792 PR middle-end/32372
793 * cse.c (cse_insn): Avoid invalid sharing in between register note and
794 the insn pattern.
795
796 2007-06-29 Anatoly Sokolov <aesok@post.ru>
797
798 PR target/32335
799 * config/avr/avr.c: Include dataflow header file.
800 (expand_prologue): Adjust for prologue insn change.
801 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
802 inside a insn.
803
804 2007-06-29 Richard Guenther <rguenther@suse.de>
805
806 PR middle-end/32493
807 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
808 during type verification.
809
810 2007-06-29 Jan Hubicka <jh@suse.cz>
811
812 * recog.c (validate_change_rtx_1): Unshare TO argument.
813
814 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
815
816 PR tree-optimization/24659
817 * tree-vect-transform.c (vectorizable_call): Handle
818 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
819
820 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
821 * config/i386/i386.c (enum ix86_builtins)
822 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
823 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
824 description.
825 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
826 const using def_builtin_const.
827 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
828 input operands in the same modes as the result.
829 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
830
831 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
832
833 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
834 (df_set_dead_notes_for_mw): Likewise.
835
836 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
837
838 * c-common.c (pointer_int_sum): Do the negation in sizetype.
839
840 2007-06-28 DJ Delorie <dj@redhat.com>
841
842 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
843
844 2007-06-28 Geoffrey Keating <geoffk@apple.com>
845
846 * doc/invoke.texi (C++ Dialect Options): Document
847 fvisibility-ms-compat.
848 * c.opt (fvisibility-ms-compat): New.
849
850 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
851
852 PR tree-opt/32417
853 * tree-affine.c (aff_combination_add_elt): Handle
854 pointer addition specially.
855
856 2007-06-28 Jakub Jelinek <jakub@redhat.com>
857
858 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
859 decl is non-external for AIX ABI.
860
861 2007-06-28 David Edelsohn <edelsohn@gnu.org>
862
863 * config/rs6000/predicates.md (current_file_function_operand):
864 Ensure the symbol is non-external for AIX ABI.
865
866 2007-06-28 Nick Clifton <nickc@redhat.com>
867
868 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
869 (fdce, fdse, fpredictive-commoning): Likewise.
870
871 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
872
873 PR other/31400
874 * gcc.c (process_command): Recognize the new -static-libgfortran
875 option.
876
877 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
878
879 PR target/32418
880 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
881 Use a call clobbered hard reg instead of a pseudo reg.
882
883 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
884
885 * config/sh/sh.md (load_gbr): Use correct operand constraint.
886
887 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
888
889 PR target/32479
890 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
891 REG_LIBCALL and REG_RETVAL notes.
892 (divsi3, mulsi3): Likewise.
893 (mulhisi3): Likewise. Use emit_libcall_block.
894 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
895
896 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
897
898 PR rtl-optimization/32481
899 * combine.c (adjust_for_new_dest): Rescan the changed insn.
900
901 2007-06-27 Richard Sandiford <richard@codesourcery.com>
902
903 * dce.c (deletable_insn_p_1): New function, split out from...
904 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
905 specially, not those inside PARALLELs. Remove BODY argument
906 and adjust recursive call accordingly.
907 (prescan_insns_for_dce): Update call to delete_insn_p.
908
909 2007-06-27 Richard Guenther <rguenther@suse.de>
910
911 PR middle-end/32492
912 * tree.h (fold_convertible_p): Declare.
913 * fold-const.c (fold_convertible_p): New function.
914 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
915 instead of lang_hooks.types_compatible_p.
916
917 2007-06-26 Jan Hubicka <jh@suse.cz>
918
919 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
920 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
921 early use validate_unshare_change.
922 (reload_combine): Likewise.
923 * recog.c (change_t): New field unshare.
924 (validate_change_1): Rename from validate_change; add argument unshare.
925 (validate_change): Turn into wrapper of validate_change_1; update
926 prototype for bools.
927 (validate_unshare_change): New.
928 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
929 calls of df_insn_rescan.
930 * recog.h (validate_change): Replace ints by bools.
931 (validate_unshare_change): Declare.
932
933 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
934
935 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
936
937 2007-06-26 Steve Ellcey <sje@cup.hp.com>
938
939 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
940
941 2007-06-25 Jan Hubicka <jh@suse.cz>
942
943 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
944 uninlinable call.
945 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
946 cgraph_decide_inlining_incrementally): Move uninlinability checks to
947 places other call site specific checks are performed.
948
949 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
950
951 PR tree-opt/32421
952 * tree-vect-transform.c (vectorizable_operation): Convert
953 POINTER_PLUS_EXPR over to PLUS_EXPR.
954
955 2007-06-25 Chao-ying Fu <fu@mips.com>
956
957 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
958 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
959 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
960 Document GET_MODE_IBIT, and GET_MODE_FBIT.
961
962 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
963 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
964 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
965 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
966 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
967 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
968 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
969 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
970 ALL_FIXED_POINT_MODE_P): New define.
971 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
972 MODE_UACCUM.
973 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
974
975 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
976 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
977 MODE_VECTOR_UACCUM): New mode classes.
978
979 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
980 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
981 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
982 USA, UDA, and UTA.
983
984 * genmodes.c (struct mode_data): Add ibit and fbit fields.
985 (blank_mode): Initialize ibit and fbit.
986 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
987 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
988 (new_adjust): Change required_class to required_class_from and
989 required_class_to for testing within a range.
990 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
991 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
992 MODE_VECTOR_UACCUM.
993 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
994 (make_fixed_point_mode): New.
995 (_ADD_ADJUST): Change C to C1 and C2.
996 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
997 use a range for machine classes.
998 (ADJUST_IBIT, ADJUST_FBIT): New.
999 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
1000 CONST_MODE_FBIT.
1001 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
1002 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1003 Emit adjustment for ibit and fbit.
1004 (emit_mode_ibit, emit_mode_fbit): New.
1005 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
1006
1007 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
1008
1009 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
1010 as the source of the set.
1011
1012 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
1013
1014 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
1015 FP_REGNO_P): Use IN_RANGE.
1016 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
1017 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
1018 (DATA_REG_P): Use DATA_REGNO_P.
1019 (FP_REG_P): Use FP_REGNO_P.
1020 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
1021 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
1022 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
1023
1024 2007-06-24 Jan Hubicka <jh@suse.cz>
1025
1026 PR middle-end/30563
1027 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
1028
1029 2007-06-24 Sebastian Pop <sebpop@gmail.com>
1030
1031 PR middle-end/32461
1032 * fold-const.c (fold_binary): Strip nops of operand 0
1033 of BIT_NOT_EXPR before calling operand_equal_p.
1034 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
1035 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
1036
1037 2007-06-23 Mark Mitchell <mark@codesourcery.com>
1038
1039 * doc/extend.texi: Document that dllimport and dllexport imply
1040 default visibility.
1041 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
1042 imported or exported declaration, including type declarations.
1043 * c-common.c (handle_visibility_attribute): Check for conflicts
1044 with dllimport/dllexport.
1045 (c_determine_visibility): Handle dllimport/dllexport as an
1046 explicit visibility atttribute.
1047
1048 2007-06-23 Richard Guenther <rguenther@suse.de>
1049
1050 PR tree-optimization/16876
1051 PR middle-end/29478
1052 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1053 for CALL_EXPRs.
1054 * tree-inline.c (initialize_inlined_parameters): Do not call
1055 lang_hooks.tree_inlining.convert_parm_for_inlining.
1056 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1057 reason for mismatched types.
1058 * gimplify.c (gimplify_call_expr): Verify the call expression
1059 arguments match the called function type signature. Otherwise
1060 mark the call expression to be not considered for inlining
1061 using CALL_CANNOT_INLINE_P flag.
1062 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1063 edges call expression.
1064 (cgraph_decide_inlining_of_small_function): Likewise.
1065 (cgraph_decide_inlining): Likewise.
1066 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1067 Remove define.
1068 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1069 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1070 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1071 Remove declaration.
1072 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1073 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1074 Remove.
1075 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1076 convert_parm_for_inlining member.
1077
1078 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1079
1080 PR target/31152
1081 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1082 Remove optimization for GT.
1083
1084 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1085
1086 PR middle-end/32437
1087 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1088 is a PARALLEL.
1089 (prescan_insns_for_dce): Add extra parameter.
1090
1091 2007-06-23 Jan Hubicka <jh@suse.cz>
1092
1093 PR middle-end/31541
1094 * gimplify.c (mark_addressable): New function.
1095 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1096
1097 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1098
1099 PR middle-end/32374
1100 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1101
1102 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1103
1104 PR target/32413
1105 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1106 moves between MMX/SSE registers to at least 8 units to prevent
1107 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1108
1109 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1110
1111 * config/i386/i386.c (override_options): Correct x86_sahf
1112 setting condition.
1113
1114 2007-06-21 David Daney <ddaney@avtrex.com>
1115
1116 PR target/32406
1117 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1118 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1119 (exception_receiver): Renamed to ...
1120 (nonlocal_goto_receiver): ... this.
1121
1122 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1123
1124 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1125 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1126 partial register accesses.
1127
1128 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1129
1130 * fold-const.c (debug_fold_checksum): Move it under
1131 ENABLE_FOLD_CHECKING.
1132
1133 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1134
1135 PR middle-end/20623
1136 * tree.h (debug_fold_checksum): Declared.
1137 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1138 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1139 build_fold_addr_expr_with_type_1.
1140 (fold_addr_expr, debug_fold_checksum): New.
1141 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1142 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1143 Use fold_addr_expr.
1144
1145 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1146
1147 PR tree-optimization/19590
1148 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1149 of scev is a constant.
1150 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1151
1152 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1153
1154 * df-problems.c (df_note_bb_compute): Made computation of live
1155 info consistent with df_lr.
1156
1157 2007-06-21 Richard Guenther <rguenther@suse.de>
1158
1159 PR tree-optimization/32453
1160 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1161 for pointer anti-range.
1162
1163 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1164
1165 * config/i386/i386.c (processor_target_table): Increase maximum
1166 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1167 default 64bit.
1168
1169 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1170 byte alignment if > 8 byte alignment is preferred.
1171 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1172
1173 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1174
1175 PR tree-optimization/31866
1176 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1177 if ASM_EXPR's input is not a SSA_NAME.
1178
1179 PR middle-end/32362
1180 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1181 but decl is a global var, instead return decl.
1182 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1183 even for is_global_var decls, if they are private in some outer
1184 context.
1185
1186 2007-06-21 Richard Guenther <rguenther@suse.de>
1187
1188 PR tree-optimization/32451
1189 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1190
1191 2007-06-21 Christian Bruel <christian.bruel@st.com>
1192
1193 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1194 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1195 (push_regs): Changed saving order or banked registers.
1196 (sh_expand_epilogue): Likewise.
1197 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1198 (FIRST_BANKED_REG): Likewise.
1199 (LAST_BANKED_REG): Likewise.
1200 * config/sh/sh.md (banked) New attribute.
1201 (in_delay_slot): Check banked attribute.
1202
1203 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1204
1205 PR tree-optimization/32075
1206 * tree-data-ref.c (subscript_dependence_tester_1,
1207 analyze_miv_subscript, analyze_overlapping_iterations,
1208 add_distance_for_zero_overlaps, build_classic_dist_vector,
1209 subscript_dependence_tester_1, analyze_overlapping_iterations,
1210 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1211 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1212 to evolution_function_is_affine_multivariate_p.
1213
1214 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1215
1216 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1217
1218 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1219
1220 PR target/32335
1221 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1222 for TARGET_A16.
1223 * config/m32c/prologue.md (epilogue_exitd_16): New.
1224 (epilogue_reit_16): New.
1225 (epilogue_exitd): Rename to epilogue_exitd_24.
1226 (epilogue_reit): Rename to epilogue_reit_24.
1227
1228 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1229 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1230
1231 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1232 New counters.
1233 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1234 if dbg_cnt (sched_insn) reaches the limit.
1235 (choose_ready): New parameter INSN_PTR and new return value.
1236 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1237 the new return value from choose_ready.
1238 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1239 (rest_of_handle_global_alloc): New global_alloc_at_func.
1240
1241 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1242
1243 PR tree-optimization/25737
1244 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1245 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1246 * tree-flow.h (struct fieldoff): Add new field alias_set.
1247 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1248 argument addressable_type. Set alias_set of fieldoff.
1249 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1250 (create_overlap_variables_for): Pass alias_set from fieldoff to
1251 create_sft.
1252 * alias.c (get_alias_set): Use alias_set from SFT if set.
1253
1254 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1255
1256 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1257 of a variable as an unsigned HOST_WIDE_INT integer.
1258
1259 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1260
1261 PR rtl-optimization/32405
1262 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1263
1264 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1265
1266 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1267
1268 PR middle-end/31959
1269 * builtins.c: Include diagnostic.h.
1270 (expand_builtin_expect): Make gcc_assert more permissive.
1271 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1272
1273 PR inline-asm/32109
1274 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1275 and !allows_mem.
1276
1277 PR middle-end/32285
1278 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1279 if ACCUMULATE_OUTGOING_ARGS.
1280
1281 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1282
1283 * config/m68hc11/m68hc11.c: Include dataflow header file.
1284 (m68hc11_reorg): Port to dataflow.
1285
1286 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1287
1288 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
1289 (struct df_problem.free_blocks_on_set_blocks): New field.
1290 (struct dataflow.optional_p): New field.
1291 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1292 (df_live_set_all_dirty): New function.
1293 * df-scan.c (df_scan_alloc): Initialize optional_p.
1294 (problem_SCAN): Initialize free_blocks_on_set_blocks.
1295 * df-core.c (df_set_blocks): Removed use of
1296 DF_FIRST_OPTIONAL_PROBLEM. Now uses
1297 df_problem.free_blocks_on_set_blocks to determine which blocks are
1298 recycled.
1299 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
1300 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
1301 uses dataflow.optional_p to determine if problem should be
1302 deleted.
1303 (rest_of_handle_df_initialize): Only start live problem if
1304 -02 or above.
1305 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1306 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
1307 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
1308 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
1309 problem_NOTE): Initialize free_blocks_on_set_blocks.
1310 (df_lr_bb_local_compute): Recompute luids if df_live problem is
1311 not active.
1312 (df_live_set_all_dirty, df_note_alloc): New function.
1313 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
1314 df_get_live_*.
1315 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
1316 * postreload.c (reload_combine): Ditto.
1317 * cse.c (cse_extended_basic_block): Ditto.
1318 * regmove.c (mark_flags_life_zones): Ditto.
1319 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
1320 erase_matching_seqs): Ditto.
1321 * bt-load.c (compute_defs_uses_and_gen): Ditto.
1322 * integrate (allocate_initial_values): Ditto.
1323 * combine.c (reg_dead_at_p): Ditto.
1324 * resource.c (mark_target_live_regs): Ditto.
1325 * sched-rgn.c (check_live_1, update_live_1): Ditto.
1326 * config/sh/sh.c (find_r0_life_regions): Ditto.
1327 * global.c (rest_of_handle_global_alloc): Only add back df_live
1328 for -O > 1.
1329 * local-alloc.c (rest_of_handle_local_alloc): Only remove
1330 df_live for -O > 1.
1331 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
1332 df_get_live_*.
1333 (if_convert): Make sure df_live is there at -O == 1.
1334 (pass_if_after_combine): Cleanup flags.
1335 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
1336 is there at -O == 1.
1337
1338 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
1339
1340 * config/arm/arm.c (arm_get_frame_offsets): Set
1341 offsets->locals_base to avoid negative stack size.
1342 (thumb1_expand_prologue): Assert on negative stack size.
1343
1344 2007-04-19 Sebastian Pop <sebpop@gmail.com>
1345
1346 PR tree-optimization/32367
1347 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
1348 of the chrec has no evolution in that loop.
1349 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
1350
1351 2007-06-19 Bob Wilson <bob.wilson@acm.org>
1352
1353 * config/xtensa/xtensa.c: Include "df.h".
1354 (xtensa_builtin_saveregs): Use adjust_address instead of change_address.
1355 (xtensa_va_start): Invoke make_tree with sizetype for
1356 expand_builtin_saveregs and then convert the result to a pointer.
1357 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
1358 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
1359 Subtract argument size from index value as integers and then use
1360 POINTER_PLUS_EXPR to add the result to the array address.
1361
1362 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1363
1364 PR target/32335
1365 * config/m32c/m32c.c: Include dataflow header file.
1366 (m32c_emit_prologue): Adjust for prologue insn change.
1367 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
1368 once inside a PARALLEL. Assume frame size passed in operand 0
1369 includes space to save the fb register.
1370 (prologue_enter_24): Likewise.
1371 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
1372
1373 2007-06-19 David Daney <ddaney@avtrex.com
1374
1375 PR target/32313
1376 * config/mips/mips.md (cprestore): Mark $gp as used.
1377
1378 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1379
1380 PR target/32369
1381 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
1382 (frv_ifcvt_modify_insn): Likewise.
1383
1384 2007-06-19 Richard Guenther <rguenther@suse.de>
1385
1386 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
1387 only handle positive offsets that fit in a HOST_WIDE_INT.
1388
1389 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
1390
1391 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
1392 result of rsqrt insn for zero input argument to avoid NaN.
1393
1394 2007-06-19 Richard Guenther <rguenther@suse.de>
1395
1396 PR middle-end/31950
1397 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
1398
1399 2007-06-19 Jakub Jelinek <jakub@redhat.com>
1400
1401 PR tree-optimization/32353
1402 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
1403
1404 2007-06-19 Nick Clifton <nickc@redhat.com>
1405
1406 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
1407
1408 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1409
1410 PR target/32389
1411 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
1412 * config/i386/i386.c (assign_386_stack_local): Assert that
1413 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
1414 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
1415 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
1416 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
1417
1418 2007-06-18 Steve Ellcey <sje@cup.hp.com>
1419
1420 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
1421
1422 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
1423
1424 PR rtl-optimization/32321
1425 * gcse.c (replace_store_insn): Update the note before
1426 calling emit_insn_after.
1427
1428 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1429
1430 PR middle-end/32355
1431 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
1432 cse_main.
1433 * df-problems.c (df_note_bb_compute): Fix dumping info.
1434
1435 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
1436
1437 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
1438 insn with emit_jump_insn.
1439
1440 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1441
1442 PR tree-optimization/32383
1443 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
1444 * targhooks.h (default_builtin_reciprocal): Update prototype.
1445 * target.h (struct gcc_target): Update builtin_reciprocal.
1446 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
1447 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
1448 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
1449 when fndecl is in BUILT_IN_MD class.
1450 (execute_convert_to_rsqrt): Ditto.
1451
1452 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
1453 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
1454 Convert BUILT_IN_SQRTF code only when md_fn is false.
1455
1456 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
1457
1458 * bt-load.c (move_btr_def): Fix the order of arguments
1459 to validate_replace_rtx.
1460
1461 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
1462
1463 * config/m68k/m68k-devices.def: Add 54450..54455.
1464
1465 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
1466
1467 PR rtl-optimization/32366
1468 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
1469 FLOAT_EXTEND]: Prevent non-scalar modes from entering
1470 significand_size.
1471
1472 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
1473
1474 PR middle-end/32349
1475 * modulo-sched (generate_reg_moves): Added rescan parameter and if
1476 this is true, rescan insn being modified.
1477 (sms_schedule): Added rescan parameter.
1478 (rest_of_handle_sms): Moved freeing of dominance info to before
1479 getting out of cfg_layout.
1480
1481 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
1482
1483 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
1484 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
1485 appropriate.
1486
1487 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
1488 FL_CF_EMAC from the entry for isac.
1489
1490 * config/m68k/predicates.md (const_call_operand): Adjust comment.
1491 (const_sibcall_operand): New.
1492 (sibcall_operand): Use it.
1493 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
1494 (m68k_isas): ISAC does not imply FPU or EMAC.
1495 (override_options): Add ISA_C logic for symbolic jump & call.
1496
1497 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1498
1499 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
1500 return mode from the builtin itself.
1501 (sparc_fold_builtin): Fix cast of zero constant.
1502
1503 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1504
1505 * targhooks.c (default_builtin_reciprocal): New default target hook.
1506 * targhooks.h (default_builtin_reciprocal): Add prototype.
1507 * hooks.c (hook_tree_tree_bool_null): Remove hook.
1508 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
1509 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
1510 default_builtin_reciprocal.
1511
1512 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1513
1514 PR middle-end/31723
1515 * hooks.c (hook_tree_tree_bool_null): New hook.
1516 * hooks.h (hook_tree_tree_bool_null): Add prototype.
1517 * tree-pass.h (pass_convert_to_rsqrt): Declare.
1518 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
1519 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
1520 and convert it to reciprocal a*rfunc(b).
1521 (execute_convert_to_rsqrt): New function.
1522 (gate_convert_to_rsqrt): New function.
1523 (pass_convert_to_rsqrt): New pass definition.
1524 * target.h (struct gcc_target): Add builtin_reciprocal.
1525 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
1526 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
1527 TARGET_BUILTIN_RECIPROCAL.
1528 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
1529
1530 * config/i386/i386.h (TARGET_RECIP): New define.
1531 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
1532 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1533 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1534 and not optimizing for size.
1535 (*rcpsf2_sse): New insn pattern.
1536 (*rsqrtsf2_sse): Ditto.
1537 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
1538 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1539 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1540 and not optimizing for size.
1541 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
1542 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1543 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1544 and not optimizing for size.
1545 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
1546 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1547 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1548 and not optimizing for size.
1549 (*sse_rsqrtv4sf2): Do not export.
1550 (sqrtv4sf2): Ditto.
1551 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
1552 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1553 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1554 and not optimizing for size.
1555 (sqrtv4sf2): Ditto.
1556 * config/i386/i386.opt (mrecip): New option.
1557 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
1558 (ix86_emit_swsqrtsf): Ditto.
1559 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
1560 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
1561 builtin definition.
1562 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
1563 ix86_expand_unop1_builtin.
1564 (ix86_emit_swdivsf): New function.
1565 (ix86_emit_swsqrtsf): Ditto.
1566 (ix86_builtin_reciprocal): New function.
1567 (TARGET_BUILTIN_RECIPROCAL): Use it.
1568 (ix86_vectorize_builtin_conversion): Rename from
1569 ix86_builtin_conversion.
1570 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
1571 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
1572 "i386 and x86_64 Options" section.
1573 (Intel 386 and AMD x86_64 Options): Document -mrecip.
1574
1575 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1576 Zdenek Dvorak <dvorakz@suse.cz>
1577 Richard Guenther <rguenther@suse.de>
1578 Kaz Kojima <kkojima@gcc.gnu.org>
1579
1580 * tree-vrp.c (compare_values_warnv): Convert val2 to
1581 the type of val1.
1582 (extract_range_from_assert): Create
1583 POINTER_PLUS_EXPR for pointer types.
1584 (extract_range_from_binary_expr): Handle
1585 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
1586 for pointer types.
1587 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
1588 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
1589 POINTER_PLUS_EXPR as PLUS_EXPR.
1590 (number_of_iterations_lt_to_ne):
1591 For pointer types, use sizetype when
1592 creating MINUS_EXPR/PLUS_EXPRs.
1593 (assert_loop_rolls_lt): For pointer types, use sizetype when
1594 creating MINUS_EXPR/PLUS_EXPRs.
1595 (number_of_iterations_le): Likewise.
1596 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
1597 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
1598 like PLUS_EXPR and MINUS_EXPR.
1599 * tree-pretty-print.c (dump_generic_node): Handle
1600 POINTER_PLUS_EXPR.
1601 (op_prio): Likewise.
1602 (op_symbol_1): Likewise.
1603 * optabs.c (optab_for_tree_code): Likewise.
1604 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
1605 specially.
1606 * tree-tailcall.c (process_assignment): Mention
1607 POINTER_PLUS_EXPR in a TODO comment.
1608 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
1609 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
1610 not used with a pointer and an integer type.
1611 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
1612 increment using chrec_convert_rhs instead of chrec_convert.
1613 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
1614 PLUS_EXPR except for the right hand side's type will be
1615 sizetype.
1616 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
1617 (fold_used_pointer_cast): Kill.
1618 (pointer_offset_p): Kill.
1619 (fold_used_pointer): Kill.
1620 (pointer_used_p): Kill.
1621 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
1622 call fold_used_pointer.
1623 (instantiate_parameters_1): Convert the increment
1624 using chrec_convert_rhs instead of chrec_convert.
1625 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
1626 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
1627 instead of PLUS_EXPR.
1628 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
1629 PLUS_EXPR for pointers.
1630 (std_gimplify_va_arg_expr): Likewise.
1631 (fold_builtin_memory_op): Likewise.
1632 (fold_builtin_strstr): Likewise.
1633 (fold_builtin_strchr): Likewise.
1634 (fold_builtin_strrchr): Likewise.
1635 (fold_builtin_strpbrk): Likewise.
1636 (expand_builtin_memory_chk): Likewise.
1637 (fold_builtin_memory_chk): Likewise.
1638 (std_expand_builtin_va_start): Use
1639 sizetype for the call to make_tree and then convert
1640 to the pointer type.
1641 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
1642 instead of PLUS_EXPR for adding to a pointer.
1643 (std_gimplify_va_arg_expr): Use fold_build2 for
1644 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
1645 the operands to sizetype first and then cast the BIT_AND_EXPR
1646 back to the pointer type.
1647 * fold-const.c (build_range_check): Handle pointer types
1648 specially.
1649 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
1650 of PLUS_EXPR's. Make sure the offset is converted to
1651 sizetype.
1652 (try_move_mult_to_index): Strip the NOPs from the offset.
1653 Remove code argument and replace all uses with PLUS_EXPR.
1654 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
1655 specially. Don't use a pointer type for MINUS_EXPR.
1656 (fold_unary): Handle for (T1)(X op Y),
1657 only p+ as that is the only as that can be handled for
1658 binary operators now.
1659 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
1660 POINTER_PLUS_EXPR.
1661 <case PLUS_EXPR>: Add folding of PTR+INT into
1662 PTR p+ INT.
1663 Don't call try_move_mult_to_index.
1664 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
1665 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
1666 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
1667 Don't call try_move_mult_to_index.
1668 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
1669 (tree_expr_nonzero_p): Likewise.
1670 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
1671 of PLUS_EXPR for the complex expression folding.
1672 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
1673 first chrec is a pointer type, then the second should
1674 be sizetype and not the first's type.
1675 For POINTER_PLUS_EXPR, use a different right hand side type.
1676 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1677 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
1678 different right hand side type.
1679 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1680 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
1681 instead of PLUS_EXPR.
1682 When either operand is zero, convert the other operand.
1683 (chrec_apply): Use chrec_convert_rhs
1684 on the argument x instead of chrec_convert.
1685 (reset_evolution_in_loop): For pointer types, the new_evol
1686 should be sizetype.
1687 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
1688 different right hand side type.
1689 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1690 (chrec_convert_rhs): New function.
1691 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
1692 different right hand side type.
1693 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1694 * tree-chrec.h (chrec_convert_rhs): New prototype.
1695 (build_polynomial_chrec): For pointer types, the right hand
1696 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
1697 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
1698 Remove subtraction case as it is always addition now.
1699 Make sure the offset is converted to sizetype.
1700 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
1701 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
1702 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
1703 PLUS_EXPR in pointer type.
1704 Handle POINTER_PLUS_EXPR.
1705 (tree_to_aff_combination): Likewise.
1706 (force_expr_to_var_cost): Likewise.
1707 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
1708 instead of PLUS_EXPR for pointers.
1709 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
1710 instead of PLUS_EXPR of pointer types.
1711 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
1712 as PLUS_EXPR.
1713 (check_va_list_escapes): Likewise.
1714 (check_all_va_list_escapes): Likewise.
1715 * dwarf2out.c (loc_descriptor_from_tree_1):
1716 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
1717 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
1718 (string_constant): Likewise.
1719 * tree-ssa-address.c (tree_mem_ref_addr): When adding
1720 the offset to the base, use POINTER_PLUS_EXPR.
1721 (add_to_parts): Convert the index to sizetype.
1722 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
1723 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
1724 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
1725 Offset only holds something for PLUS_EXPR.
1726 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
1727 a PLUS_EXPR.
1728 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
1729 and not PLUS_EXPR.
1730 (analyze_accesses_for_modify_stmt): Likewise.
1731 Remove comment about the type being integral type as it is
1732 wrong now.
1733 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
1734 PLUS_EXPR.
1735 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
1736 and not PLUS_EXPR.
1737 Correct the type which the artimentic is done in (is now
1738 sizetype).
1739 Reindent one loop.
1740 * tree-data-ref.c (split_constant_offset): Handle
1741 POINTER_PLUS_EXPR
1742 * tree-affine.c (tree_to_aff_combination): Likewise.
1743 * c-typeck.c (build_unary_op): For pointers create the increment
1744 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
1745 for pointers.
1746 * gimplify.c (gimplify_self_mod_expr): Create a
1747 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1748 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
1749 * tree.def (POINTER_PLUS_EXPR): New tree code.
1750 * tree-predcom.c (ref_at_iteration): If we have a pointer
1751 type do the multiplication in sizetype.
1752 * tree-mudflap.c (mf_xform_derefs_1): Create a
1753 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1754 * tree-ssa-forwprop.c
1755 (forward_propagate_addr_into_variable_array_index):
1756 Don't expect there to be a cast for the index as that
1757 does not exist anymore.
1758 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
1759 instead of PLUS_EXPR.
1760 Don't check for the first operand of the POINTER_PLUS_EXPR
1761 was the index as it cannot be.
1762 Call forward_propagate_addr_into_variable_array_index with
1763 the SSA_NAME instead of the statement.
1764 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
1765 (compare_constant): Likewise.
1766 (copy_constant): Likewise.
1767 (compute_reloc_for_constant): Likewise.
1768 (output_addressed_constants): Likewise.
1769 (initializer_constant_valid_p): Likewise.
1770 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
1771 Convert the MIN/MAX of the inner type to the outer
1772 type before comparing them.
1773 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
1774 POINTER_PLUS_EXPR instead of PLUS_EXPR.
1775 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
1776 of PLUS_EXPR for pointers.
1777 * tree-inline.c (estimate_num_insns_1): Handle
1778 POINTER_PLUS_EXPR.
1779 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1780 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1781 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
1782 instead of PLUS_EXPR for the pointer increment statement.
1783 (vect_update_ivs_after_vectorizer): For pointer types, create
1784 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
1785 MULT_EXPR in sizetype.
1786 (vect_gen_niters_for_prolog_loop): Add a cast when creating
1787 byte_misalign.
1788 * tree-object-size.c (plus_expr_object_size): Handle
1789 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
1790 code which is trying to figure out which side is a pointer and
1791 is the index.
1792 (check_for_plus_in_loops_1): Likewise.
1793 (check_for_plus_in_loops): Likewise.
1794 * c-common.c (pointer_int_sum): Create a
1795 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1796 * tree-ssa-structalias.c (handle_ptr_arith): Handle
1797 only POINTER_PLUS_EXPR. Removing all the extra
1798 code which is trying to figure out which side is a pointer and
1799 is the index.
1800 * tree-cfg.c (verify_expr): Add extra checking for pointers and
1801 PLUS_EXPR and MINUS_EXPR.
1802 Also add checking to make sure the operands of POINTER_PLUS_EXPR
1803 are correct.
1804 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
1805 with make_tree, instead of a pointer type.
1806 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
1807 for pointers instead of PLUS_EXPR.
1808 (s390_gimplify_va_arg): Likewise.
1809 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
1810 instead of PLUS_EXPR when doing addition on pointer
1811 types. Use sizetype for the second operand.
1812 (spu_gimplify_va_arg_expr): Likewise.
1813 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
1814 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
1815 a pointer. Don't create a BIT_AND_EXPR for pointer types.
1816 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
1817 for the pointer addition and also use size_int/sizetype
1818 for the offset.
1819 (ix86_gimplify_va_arg): Likewise.
1820 Perform BIT_AND_EXPR on sizetype arguments.
1821 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
1822 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
1823 for the pointer additions and also use size_int for the offsets.
1824 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
1825 additions and also use size_int for the offsets. Perform
1826 BIT_AND_EXPR on sizetype arguments.
1827 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
1828 POINTER_PLUS_EXPR for pointers and create the
1829 BIT_AND_EXPR in sizetype.
1830 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
1831 instead of PLUS_EXPR for pointer addition.
1832 (rs6000_va_start): Likewise.
1833 Also use sizetype for the offset.
1834 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
1835 as PLUS_EXPR/MINUS_EXPR.
1836 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
1837 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
1838 Don't use BIT_AND_EXPR on a pointer type, convert the
1839 expression to sizetype first.
1840 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
1841 for pointers.
1842 (mips_gimplify_va_arg_expr): Likewise.
1843 Don't create BIT_AND_EXPR in a pointer type.
1844
1845 2007-06-15 Eric Christopher <echristo@apple.com>
1846
1847 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
1848 (x86_64-*-darwin*): Ditto.
1849 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
1850 for above.
1851
1852 2007-06-15 Matthew Wilcox <matthew@wil.cx>
1853
1854 * doc/extend.texi: Document behavior of __attribute__((aligned))
1855 on typedefs.
1856
1857 2007-06-15 Mark Mitchell <mark@codesourcery.com>
1858
1859 * rtlanal.c (note_stores): Improve documentation.
1860
1861 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
1862
1863 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
1864 LOCAL_LABEL_PREFIX): Delete.
1865 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
1866 (bfin_internal_label): Delete.
1867
1868 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
1869
1870 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
1871 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
1872 otherwise define to LIBGCC2_TF_CEXT.
1873 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
1874 (LIBGCC_TF_CEXT): Ditto.
1875 (TF_SIZE): Ditto.
1876
1877 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
1878
1879 PR rtl-optimization/32339
1880 * df-scan.c (df_uses_record): Don't modify flags but just add to
1881 it for df_ref_record.
1882
1883 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
1884
1885 * tree-mudflap.c: Fix whitespace issues.
1886
1887 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
1888
1889 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
1890
1891 2007-06-14 Eric Christopher <echristo@apple.com>
1892
1893 * config/i386/sse.md (movdi_to_sse): Rewrite body.
1894 (movv4sf): Use gcc_unreachable instead of abort.
1895
1896 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1897
1898 PR target/32268
1899 * config/i386/sfp-machine.h (CMPtype): New define.
1900 (mach stubs): Use CMPtype instead of int as a return type.
1901
1902 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1903
1904 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
1905 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
1906 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
1907 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
1908 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
1909 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
1910 config/soft-fp/soft-fp.h: Update from glibc CVS.
1911
1912 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
1913
1914 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
1915
1916 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
1917
1918 PR target/32341
1919 * config/v850/v850.c: Include dataflow header file.
1920 (substitute_ep_register): Fix typo.
1921
1922 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1923
1924 * configure.ac: Fix earlier checkin.
1925 * configure: Regenerated.
1926
1927 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1928
1929 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
1930 * aclocal.m4: Regenerate.
1931 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
1932 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
1933 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
1934 * configure: Regenerate.
1935 * Makefile.in (LOOSE_WARN): Subst loose_warn.
1936
1937 * Makefile.in (quickstrap): Build libgcc too.
1938
1939 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1940
1941 * configure.ac: Add --enable-checking=df. Explicitly mention that
1942 the variables are initialized as for "release".
1943 * df-core.c: Use it.
1944 * configure: Regenerate.
1945 * config.in: Regenerate.
1946
1947 2007-06-14 Bob Wilson <bob.wilson@acm.org>
1948
1949 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
1950 validate_replace_rtx instead of replace_rtx.
1951 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
1952
1953 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
1954
1955 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
1956 (DWARF2_UNWIND_INFO): Override default if configured with
1957 SJLJ EH disabled.
1958 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
1959 (ENDFILE_SPEC): Add crtend.o.
1960 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
1961 (ENDFILE_SPEC): Add crtend.o.
1962 (TARGET_USE_JCR_SECTION): Define.
1963 (MD_UNWIND_SUPPORT): Define for 32-bit target.
1964
1965 * config/i386/cygming-crtbegin.c: New file.
1966 * config/i386/cygming-crtend.c: New file.
1967
1968 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
1969
1970 * config/i386/w32-unwind.h: New file.
1971
1972 2007-06-13 Eric Christopher <echristo@apple.com>
1973
1974 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
1975 the user set a value below STACK_BOUNDARY.
1976
1977 2007-06-13 Thiemo Seufer <ths@networkno.de>
1978
1979 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
1980 imply -lpthread for -pthread.
1981
1982 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
1983
1984 * basic-block.h: Remove the prototype for
1985 free_basic_block_vars.
1986 * cfglayout.h: Remove the prototype for
1987 insn_locators_initialize.
1988 * tree.h: Remove the prototype for emit_line_note.
1989
1990 * tree-ssa-pre.c (mergephitemp): Remove.
1991 (init_pre): Don't use mergephitemp.
1992
1993 2007-06-13 Eric Christopher <echristo@apple.com>
1994
1995 * config/i386/i386.c (override_options): If we've specified
1996 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
1997
1998 2007-06-13 Bob Wilson <bob.wilson@acm.org>
1999
2000 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
2001 is defined.
2002
2003 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2004
2005 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
2006 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
2007 (eh_store_handler): New pattern.
2008 (eh_return): Emit it instead of a plain move.
2009
2010 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
2011
2012 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
2013 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
2014 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
2015 def_builtin_const.
2016
2017 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2018
2019 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
2020 (find_next_insn_start, find_load): New functions.
2021 (bfin_reorg): Use them to deal with the fact that parallel insns are
2022 no longer represented as a SEQUENCE.
2023
2024 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2025
2026 * config/sparc/sparc.c (sparc_override_options): Initialize
2027 fpu mask correctly.
2028
2029 2007-06-13 Dave Korn <dave.korn@artimi.com>
2030
2031 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
2032 df_get_live_out.
2033
2034 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2035
2036 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
2037 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
2038 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
2039 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
2040 tree-vect-transform.c: Fix comment typos. Follow spelling
2041 conventions.
2042
2043 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2044
2045 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
2046 to the exit block use set.
2047 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
2048 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2049 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2050
2051 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2052
2053 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2054 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2055 to indicate an error.
2056 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters): New functions
2057 (dbg_cnt_process_opt): Print an error on a bad argument.
2058 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2059 * common.opt (-fdbg-cnt-list): New.
2060 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2061
2062 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2063
2064 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2065 flag on ref-all pointers.
2066
2067 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2068
2069 PR middle-end/31579
2070 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2071 for the offset with the modifier as EXPAND_INITIALIZER
2072 if the modifier is EXPAND_INITIALIZER.
2073 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2074 a register if we had an overflow.
2075
2076 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2077
2078 * real.c (real_isfinite): New.
2079 (real_sqrt): Use it.
2080 * real.h (real_isfinite): New.
2081 * builtins.c: Use it.
2082
2083 2007-06-12 Ian Lance Taylor <iant@google.com>
2084 Daniel Berlin <dberlin@dberlin.org>
2085
2086 PR libstdc++/29286
2087 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2088 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2089 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2090 (DECL_NO_TBAA_P): Define.
2091 (struct tree_decl_common): Add no_tbaa_flag field.
2092 * tree-ssa-structalias.c (struct variable_info): Add
2093 no_tbaa_pruning field.
2094 (new_var_info): Initialize no_tbaa_pruning field.
2095 (unify_nodes): Copy no_tbaa_pruning field.
2096 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2097 (dump_solution_for_var): Print no_tbaa_pruning flag.
2098 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2099 callers.
2100 (compute_tbaa_pruning): New static function.
2101 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2102 Call compute_tbaa_pruning.
2103 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2104 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2105 * gimple-low.c (lower_stmt): Likewise.
2106 * tree-gimple.c (is_gimple_stmt): Likewise.
2107 * tree-ssa-operands.c (get_expr_operands): Likewise.
2108 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2109 * tree-inline.c (estimate_num_insns_1): Likewise.
2110 (copy_result_decl_to_var): Likewise.
2111 * expr.c (expand_expr_real_1): Likewise.
2112 * tree-pretty-print.c (dump_generic_node): Likewise.
2113 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2114 * omp-low.c (omp_copy_decl_2): Likewise.
2115 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2116 * doc/c-tree.texi (Expression trees): Document
2117 CHANGE_DYNAMIC_TYPE_EXPR.
2118
2119 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2120
2121 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2122 with !HONOR_NANS and !HONOR_INFINITIES.
2123 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2124
2125 2007-06-12 Tristan Gingold <gingold@adacore.com>
2126
2127 * gcov.c: Comments updated.
2128 (source_info): Add file_time field.
2129 (source_index): New variable.
2130 (mutiple_files): New variable.
2131 (generate_results): New function extracted from process_file.
2132 (process_file): Save and restore chain of functions, generate
2133 results and free structures only if not merging results.
2134 (release_structures): File names are now freed in create_file_names
2135 (create_file_names): Free previous file names.
2136 (find_source): File date is now read here and modifications in
2137 source files is checked here.
2138 (read_graph_file): Only reverse order of functions for the current
2139 object file.
2140 (make_gcov_file_name): Do not generate long names if input_name is
2141 NULL.
2142 (output_lines): If merging results do not display graph, data and
2143 runs informations.
2144 Checking source file modification is done in find_source.
2145
2146 * doc/gcov.texi: Append an s to sourcefile.
2147
2148 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2149
2150 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2151 (forced_nop): New pattern.
2152 * config/bfin/bfin.c: Include "df.h".
2153 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2154 (bfin_discover_loop): Use df_get_live_in instead of
2155 global_live_at_start.
2156 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2157 df_analyze when done.
2158 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2159 the insns. Use QImode for the final insn in a bundle. Call
2160 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2161 gen_nop.
2162 (reorder_var_tracking_notes): New function.
2163 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2164 update_life_info. Call df_analyze after scheduling and bundle
2165 generation. Call reorder_var_tracking_notes if generating these notes.
2166 Call df_finish_pass at the end.
2167
2168 2007-06-12 Dirk Mueller <dmueller@suse.de>
2169
2170 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2171 a comparison, not an assignment.
2172
2173 2007-06-12 Olivier Hainque <hainque@adacore.com>
2174
2175 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2176 Request walking the subtrees only, leaving the current is_lhs/val_only
2177 untouched.
2178 (convert_non_local_reference): Likewise.
2179
2180 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2181
2182 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2183
2184 2007-06-12 Richard Guenther <rguenther@suse.de>
2185
2186 PR tree-optimization/15353
2187 PR tree-optimization/31657
2188 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2189 * timevar.def: Add TV_TREE_IFCOMBINE.
2190 * tree-pass.h (pass_tree_ifcombine): Declare.
2191 * tree-ssa-ifcombine.c: New file.
2192 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2193 * tree-flow.h (blocks_in_phiopt_order): Declare.
2194 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2195 (tree-ssa-ifcombine.o): New dependencies.
2196
2197 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2198
2199 PR rtl-optimization/32293
2200 * combine.c (simplify_if_then_else): Truncate return from
2201 nonzero_bits() to correct mode.
2202
2203 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2204
2205 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2206 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2207
2208 2007-06-11 Diego Novillo <dnovillo@google.com>
2209
2210 * Makefile.in (reload1.o-warn): Remove.
2211
2212 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2213
2214 * combine.c (subst): Use reg_overlap_mentioned_p
2215 instead of comparing register numbers directly.
2216
2217 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2218
2219 * reload1.c (mark_home_live_1): Use the mode parameter.
2220
2221 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2222
2223 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2224 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2225 word "deferred".
2226 * df-core.c: Ditto.
2227
2228 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2229
2230 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2231
2232 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2233
2234 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2235 from integer registers.
2236 (FP mode splitters): Handle TFmode.
2237
2238 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2239
2240 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2241 for ref-all pointers that point-to anything.
2242
2243 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2244
2245 * config/arm/arm.c (arm_output_dwarf_dtprel,
2246 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2247
2248 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2249
2250 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2251 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2252 to memory moves.
2253
2254 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2255
2256 * gcc/tree.c (signed_or_unsigned_type_for): New.
2257 (unsigned_type_for): Use signed_or_unsigned_type_for.
2258 (signed_type_for): Use signed_or_unsigned_type_for.
2259 * gcc/tree.h (signed_or_unsigned_type_for): New.
2260 (get_signed_or_unsigned_type): Remove.
2261 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2262 lang_hooks.types.signed_type
2263 (size_diffop): Likewise.
2264 (all_ones_mask_p): Likewise.
2265 (build_range_check): Likewise.
2266 (fold_cond_expr_with_comparison): Likewise.
2267 (fold_cond_expr_with_comparison): Likewise.
2268 (unextend): Likewise.
2269 (extract_muldiv_1): Likewise.
2270 (fold_single_bit_test_into_sign_test): Likewise.
2271 (fold_binary): Likewise.
2272 (fold_ternary): Likewise.
2273 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2274 instead of get_signed_or_unsigned_type.
2275 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2276 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2277 * gcc/expr.c (signed_or_unsigned_type_for): Use
2278 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2279 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2280 (lhd_signed_or_unsigned_type): Remove.
2281 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
2282 signed_or_unsigned_type.
2283 (lhd_signed_or_unsigned_type): Remove.
2284 * gcc/expmed.c (make_tree): Use signed_type_for instead of
2285 lang_hooks.types.signed_type.
2286 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
2287 c_common_signed_type instead of lang_hooks.types.signed_type.
2288 (c_common_unsigned_type): New.
2289 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
2290 (shorten_compare): Use c_common_unsigned_type instead of
2291 c_common_signed_or_unsigned_type.
2292 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
2293 unsigned_type_for.
2294 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
2295 lang_hooks.types.signed_type.
2296 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2297 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
2298 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
2299 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
2300 instead of unsigned_type_for.
2301 * gcc/c-decl.c (groakdeclarator): Likewise.
2302 * gcc/c-typeck.c (convert_for_assignment): Likewise.
2303 * gcc/c-common.h (c_common_unsigned_type): New.
2304
2305 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2306
2307 PR target/32280
2308 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
2309 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
2310
2311 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2312
2313 PR middle-end/32279
2314 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
2315 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
2316
2317 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
2318 Sebastian Pop <sebpop@gmail.com>
2319
2320 * lambda-code.c (remove_iv): New.
2321 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
2322
2323 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
2324
2325 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
2326 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
2327 * tree-ssa-loop-prefetch.c: Include optabs.h.
2328 (FENCE_FOLLOWING_MOVNT): New macro.
2329 (struct mem_ref): Add independent_p and storent_p fields.
2330 (record_ref): Initalize the new fields.
2331 (gather_memory_references_ref): Return true if the reference
2332 could be analysed.
2333 (gather_memory_references): Check whether all memory accesses
2334 in loop were recorded.
2335 (should_issue_prefetch_p): Return false for nontemporal stores.
2336 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
2337 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
2338 (determine_loop_nest_reuse): Detect independent memory references.
2339 (loop_prefetch_arrays): Call mark_nontemporal_stores.
2340 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
2341 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
2342 * config/i386/i386.h (x86_mfence): Declare.
2343 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
2344 * config/i386/i386.c (x86_mfence): New variable.
2345 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
2346
2347 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
2348 * optabs.c (init_optabs): Initialize storent_optab.
2349 * optabs.h (enum optab_index): Add OTI_storent.
2350 (storent_optab): Declare.
2351 * genopinit.c (optabs): Add initialization for storent_optab.
2352 * tree.h (MOVE_NONTEMPORAL): New macro.
2353 * expr.c (expand_assignment, store_expr, store_constructor_field,
2354 store_constructor, store_field, expand_expr_real_1): Propagate
2355 nontemporality of the expanded store.
2356 (emit_storent_insn): New function.
2357 * expr.h (expand_assignment, store_expr): Declaration changed.
2358 * function.c (assign_parm_setup_reg): Pass false as nontemporality
2359 to expand_assignment.
2360 * stmt.c (expand_asm_expr): Ditto.
2361 * calls.c (initialize_argument_information): Pass false as
2362 nontemporality to store_expr.
2363 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
2364 storentsi): New.
2365
2366 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2367
2368 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
2369 parameter, use it.
2370 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
2371
2372 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2373
2374 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
2375 and allow DECL_P here.
2376
2377 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
2378
2379 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
2380 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
2381 track of the size of the expression.
2382 * cfghooks.c (merge_blocks): Remove block from loops structure only
2383 after call of the merge_blocks hook.
2384
2385 2007-06-09 Tom Tromey <tromey@redhat.com>
2386
2387 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
2388 (deprecated_state): Removed.
2389 (start_decl): Update.
2390 (enum deprecated_states): Moved earlier.
2391 (groktypename): Update.
2392 (push_parm_decl): Likewise.
2393 (grokfield): Likewise.
2394 (start_function): Likewise.
2395
2396 2007-06-09 Ian Lance Taylor <iant@google.com>
2397
2398 PR tree-optimization/32169
2399 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
2400 CONVERT_EXPR, check whether min and max both converted to an
2401 overflow infinity representation.
2402
2403 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
2404
2405 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
2406 not inserted on the edge.
2407
2408 2007-06-08 Bob Wilson <bob.wilson@acm.org>
2409
2410 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
2411 instructions if they are supported.
2412 (__divsi3, __umodsi3, __modsi3): Likewise.
2413 (__ashldi3, __ashrdi3, __lshrdi3): New.
2414 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
2415
2416 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
2417 Tony Linthicum <tony.linthicum@amd.com>
2418
2419 * doc/extend.texi: Add fvect-cost-model flag.
2420 * common.opt (fvect-cost-model): New flag.
2421 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
2422 cost fields in stmt_vec_info struct for STMT.
2423 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
2424 fields in stmt_vec_info struct and access functions for the same.
2425 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
2426 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
2427 load, store and vector to scalar operation.
2428 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
2429 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
2430 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
2431 (TARG_VEC_STORE_COST): Define cost of vector store.
2432 (vect_estimate_min_profitable_iters): Define new function.
2433 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
2434 check to evaluate if loop iterations are less than minimum profitable
2435 iterations determined by cost model or minimum vect loop bound defined
2436 by user, whichever is more conservative.
2437 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
2438 run-time check to evaluate if loop iterations are less than minimum
2439 profitable iterations determined by cost model or minimum vect loop
2440 bound defined by user, whichever is more conservative.
2441 (vect_estimate_min_profitable_iterations): New function to estimate
2442 mimimimum iterartions required for vector version of loop to be
2443 profitable over scalar version.
2444 (vect_model_reduction_cost): New function.
2445 (vect_model_induction_cost): New function.
2446 (vect_model_simple_cost): New function.
2447 (vect_cost_strided_group_size): New function.
2448 (vect_model_store_cost): New function.
2449 (vect_model_load_cost): New function.
2450 (vectorizable_reduction): Call vect_model_reduction_cost during
2451 analysis phase.
2452 (vectorizable_induction): Call vect_model_induction_cost during
2453 analysis phase.
2454 (vectorizable_load): Call vect_model_load_cost during analysis phase.
2455 (vectorizable_store): Call vect_model_store_cost during analysis phase.
2456 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
2457 vectorizable_promotion, vectorizable_demotion): Call
2458 vect_model_simple_cost during analysis phase.
2459
2460 2007-06-08 Simon Baldwin <simonb@google.com>
2461
2462 * reg-stack.c (get_true_reg): Readability change. Moved default case
2463 label into direct switch statement scope.
2464
2465 2007-06-08 Simon Baldwin <simonb@google.com>
2466
2467 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
2468 in gcc_assert() with '==' comparison.
2469
2470 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2471
2472 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
2473 TARGET_ABM handling of x86_popcnt variable.
2474
2475 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2476
2477 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
2478 __builtin_copysignq and __builtin_infq built-in functions.
2479
2480 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2481
2482 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
2483 SSE4.2 section. Correct built-in function names in SSE4A section.
2484
2485 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2486
2487 PR tree-optimization/32243
2488 * tree-vect-transform.c (vectorizable_type_promotion): Move check
2489 for ncopies after ratio check between nunits_out and nunits_in.
2490 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
2491
2492 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
2493
2494 PR tree-optimization/32224
2495 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
2496 vectorization upon a non GIMPLE_MODIFY_STMT.
2497
2498 2007-06-08 Christian Bruel <christian.bruel@st.com>
2499
2500 PR target/29953
2501 * config/sh/sh.md (doloop_end): New pattern and splitter.
2502 * loop-iv.c (simple_rhs_p): Check for hardware registers.
2503
2504 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
2505
2506 PR middle-end/32209
2507 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
2508 functions.
2509 (verify_dominators): Do not change dominance tree.
2510
2511 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
2512
2513 * config/sh/constraints.md: New file.
2514 * config/sh/sh.c: Include tm-constrs.h.
2515 (reg_class_from_letter): Remove.
2516 (prepare_cbranch_operands): Use satisfies_constraint_*
2517 function instead of macro.
2518 (andcosts, broken_move, sh_secondary_reload): Likewise.
2519 * config/sh/predicates.md (trapping_target_operand): Likewise.
2520 (and_operand, arith_operand, arith_reg_or_0_operand,
2521 cmp_operand, logical_operand, target_operand,
2522 ua_address_operand, ua_offset, xor_operand): Likewise.
2523 * config/sh/sh.md: Include constraints.md.
2524 (*movsicc_t_false): Use satisfies_constraint_* function
2525 instead of macro.
2526 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
2527 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
2528 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
2529 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
2530 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
2531 (REG_CLASS_FROM_CONSTRAINT): Remove.
2532 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
2533 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
2534 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
2535 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
2536 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
2537 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
2538 function instead of macro.
2539 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2540 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
2541 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
2542 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
2543 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
2544 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
2545 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
2546 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
2547 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
2548 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
2549 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
2550 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
2551 EXTRA_CONSTRAINT_STR): Likewise.
2552 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
2553
2554 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2555
2556 * config/i386/darwin.h (STACK_BOUNDARY): Define.
2557
2558 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
2559
2560 PR c++/30759
2561 * c-common.h (flag_cpp0x): Replaced by...
2562 (cxx_dialect): ... this new variable specifying the C++ dialect that
2563 is used.
2564 * c-common.c (flag_cpp0x): Removed.
2565 (cxx_dialect): Defined.
2566 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
2567 cxx_dialect.
2568 * c-opts.c (c_common_post_options): Likewise.
2569 (set_std_cxx98): Set cxx_dialect to cxx98.
2570 (set_std_cxx0x): Set cxx_dialect to cxx0x.
2571
2572 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2573 Hui-May Chang <hm.chang@apple.com>
2574
2575 * doc/invoke.texi (Darwin Options): Update documentation for
2576 -mmacosx-version-min.
2577 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
2578 * config/darwin-driver.c: New file.
2579 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
2580 * config/t-darwin (darwin-driver.o): New rule.
2581
2582 * config/darwin-c.c (version_as_macro): Ignore low digit.
2583
2584 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
2585
2586 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
2587 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
2588 (CSGNMODE): New mode macro.
2589 (CSGNVMODE): New mode attribute.
2590 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
2591 expander using CSGNMODE mode macro. Handle TFmode.
2592 (copysign<mode>3_const): Rename from copysignsf3_const and
2593 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
2594 Handle TFmode.
2595 (copysign<mode>3_var): Rename from copysignsf3_var and
2596 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
2597 Handle TFmode.
2598 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
2599 mode macro. Handle TFmode.
2600 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
2601 (iortf3, *iortf3): Ditto.
2602 (xortf3, *xortf3): Ditto.
2603 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
2604 TFmode and TImode masks.
2605 (ix86_expand_copysign): Expand TFmode copysign insn.
2606 (IX86_BUILTIN_INFQ): New.
2607 (IX86_BUILTIN_FABSQ): Ditto.
2608 (IX86_BUILTIN_COPYSIGNQ): Ditto.
2609 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
2610 [__builtin_fabsq]: Ditto.
2611 [__builtin_copysignq]: Ditto.
2612 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
2613 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
2614 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
2615 ix86_expand_binop_builtin().
2616
2617 2007-06-07 Bob Wilson <bob.wilson@acm.org>
2618
2619 * config/xtensa/lib1funcs.asm: Clean up whitespace.
2620
2621 2007-06-07 Steve Ellcey <sje@cup.hp.com>
2622
2623 PR target/31850
2624 * rtl.h (push_to_sequence2): New.
2625 * emit-rtl.c (push_to_sequence2): New.
2626 * function.c (assign_parm_data_all): Add new fields.
2627 (assign_parm_setup_block): Call push_to_sequence2 instead of
2628 push_to_sequence.
2629 (assign_parm_setup_reg): Ditto.
2630 (assign_parm_setup_stack): Ditto.
2631 (assign_parms_unsplit_complex): Ditto.
2632 (assign_parms): Change field name.
2633
2634 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2635
2636 PR tree-optimization/32220
2637 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
2638 phi node is reached before defining statement.
2639
2640 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2641
2642 PR tree-opt/32231
2643 * tree-vect-transform.c (vectorizable_call): Call update_stmt
2644 after changing the right hand side of the assignment.
2645
2646 2007-06-06 Eric Christopher <echristo@apple.com>
2647
2648 * config.gcc (i?86-*-darwin*): Remove arch parameter.
2649 (x86_64-*-darwin*): Ditto.
2650 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
2651 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
2652
2653 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2654
2655 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
2656 coding conventions.
2657 (add_key): Likewise.
2658 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
2659 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
2660 variable names.
2661 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory macros.
2662 (add_cost_one_coalesce): Likewise.
2663 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
2664 variable names. Rename orig to orig_name for consistency.
2665 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the coding
2666 conventions.
2667 (cprop_into_successor_phis): Avoid using C++ keywords as variable names.
2668 (record_equivalences_from_stmt): Likewise.
2669 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
2670 the coding conventions.
2671 (memory_ssa_name_same): Likewise.
2672 (dse_optimize_stmt): Likewise.
2673 (dse_record_phis): Likewise.
2674 (dse_finalize_block): Likewise.
2675 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
2676 keywords as variable names.
2677 (may_move_till): Cast according to the coding conventions.
2678 (force_move_till_expr): Avoid using C++ keywords as variable names.
2679 (force_move_till): Cast according to the coding conventions.
2680 (memref_hash): Likewise.
2681 (memref_eq): Likewise.
2682 (gather_mem_refs_stmt): Likewise.
2683 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid using C++
2684 keywords as variable names.
2685 (idx_find_step): Cast according to the coding conventions.
2686 (idx_record_use): Likewise.
2687 (find_depends): Likewise.
2688 (prepare_decl_rtl): Likewise.
2689 (mbc_entry_hash): Likewise.
2690 (mbc_entry_eq): Likewise.
2691 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
2692 (simplify_replace_tree): Avoid using C++ keywords as variable names.
2693 (idx_infer_loop_bounds): Cast according to the coding conventions.
2694 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
2695 * tree-ssa-math-opts.c (occ_new ): Likwise.
2696 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
2697 macros.
2698 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as variable
2699 names.
2700 (add_use_op): Likewise.
2701 (add_vop): Likewise.
2702 (add_vuse_op): Likewise.
2703 (add_vdef_op): Likewise.
2704 (get_expr_operands): Likewise.
2705 (push_stmt_changes): Use type safe memory macros.
2706 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
2707 keywords as variable names.
2708 (conditional_replacement): Likewise.
2709 (minmax_replacement): Likewise.
2710 (abs_replacement): Likewise.
2711 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
2712 coding conventions.
2713 (insert_fake_stores): Avoid using C++ keywords as variable names.
2714 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
2715 conventions.
2716 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
2717 (heapvar_insert): Use type safe memory macros.
2718 (new_var_info): Cast according to the coding conventions.
2719 (new_constraint): Likewise.
2720 (remove_preds_and_fake_succs): Use type safe memory macros.
2721 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
2722 conventions.
2723 (thread_single_edge): Likewise.
2724 (thread_through_loop_header): Likewise.
2725
2726 2007-06-06 Eric Christopher <echristo@apple.com>
2727
2728 * config/i386/i386.c (override_options): Move handling
2729 of TARGET_SUBTARGET* earlier.
2730
2731 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
2732
2733 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
2734 use %n on printf.
2735
2736 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
2737
2738 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
2739 emited outside of basic block.
2740 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
2741 the created blocks.
2742 * rtl.h (delete_insn_chain): Declaration changed.
2743 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
2744 non-removed insns.
2745 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
2746 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
2747 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
2748 to delete_insn_chain.
2749 (rtl_verify_flow_info_1): Verify that the insns in header and footer
2750 do not have bb field set.
2751 (rtl_verify_flow_info): Verify that insns between basic blocks do not
2752 have bb field set.
2753 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
2754 * cfgcleanup.c (try_optimize_cfg): Ditto.
2755
2756 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2757
2758 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
2759 (lambda_body_vector_new): Use type safe memory macros.
2760 (lambda_linear_expression_new): Likewise.
2761 (lambda_loopnest_new): Likewise.
2762 (lambda_lattice_new): Likewise.
2763 (replace_uses_equiv_to_x_with_y): Cast according to the coding
2764 conventions. Use type safe memory macros.
2765 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
2766 (lambda_body_vector_s): Likewise.
2767 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
2768 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
2769
2770 2007-06-06 Richard Guenther <rguenther@suse.de>
2771
2772 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
2773 if we need to schedule cfg_cleanup.
2774 (tree_ssa_forward_propagate_single_use_vars): Do so.
2775
2776 2007-06-06 Ian Lance Taylor <iant@google.com>
2777
2778 * fold-const.c (merge_ranges): If range_successor or
2779 range_predecessor fail, just return 0.
2780
2781 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2782
2783 PR tree-optimization/32216
2784 * tree-vectorizer.c (supportable_widening_operation): Determine
2785 signedness of FIX_TRUNC_EXPR from output operand.
2786 (supportable_narrowing_operation): Ditto.
2787 * tree-vect-generic.c (expand_vector_operations_1): Determine
2788 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
2789 from input operand.
2790
2791 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2792
2793 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
2794 (struct pta): ...from here. Change flags to unsigned to avoid
2795 excessive casting (as it is used as a bit mask).
2796 (override_options): Add casts according to the coding convenventions.
2797 (x86_64_elf_unique_section): Likewise.
2798 (examine_argument): Avoid using C++ keywords as variable names.
2799 (construct_container): Likewise.
2800 (legitimize_pic_address): Likewise.
2801 (get_dllimport_decl): Cast according to the coding conventions. Use
2802 type safe memory macros.
2803 (legitimize_address): Cast according to the coding conventions.
2804 (emit_i387_cw_initialization): Corrected the type of slot to enum
2805 ix86_stack_slot.
2806 (ix86_init_machine_status): Use type safe memory macros.
2807 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
2808 (bdesc_pcmpistr): Likewise.
2809 (bdesc_crc32): Likewise.
2810 (bdesc_sse_3arg): Likewise.
2811 (bdesc_2arg): Likewise.
2812 (bdesc_1arg): Likewise.
2813 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
2814 (ix86_expand_sse_pcmpistr): Likewise.
2815 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
2816 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
2817 int to match the langhook definition.
2818 (ix86_builtin_conversion): Change the type of code to unsigned init to
2819 match the langhook definition.
2820 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
2821 names.
2822 (ix86_preferred_output_reload_class): Likewise.
2823 (ix86_cannot_change_mode_class): Likewise.
2824 (ix86_memory_move_cost): Likewise.
2825 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
2826 avoid excessive casting later on.
2827 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
2828
2829 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2830
2831 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
2832 as flags setting insn.
2833 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
2834
2835 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2836
2837 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
2838 (UNSPEC_ROUND): New.
2839 ("sse4_1_round<mode>2"): New insn pattern.
2840 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
2841 SSE4.1 targets.
2842 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
2843 expander using SSEMODEF mode macro. Expand using
2844 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2845 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
2846 expander using SSEMODEF mode macro. Expand using
2847 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2848 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
2849 expander using SSEMODEF mode macro. Expand using
2850 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2851 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
2852 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
2853 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
2854 UNSPEC_ROUNDS.
2855
2856 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
2857 Sebastian Pop <sebpop@gmail.com>
2858
2859 * lambda.h (build_linear_expr): New.
2860 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
2861 Use build_linear_expr, call fold and force_gimple_operand.
2862 (lambda_loopnest_to_gcc_loopnest): Check that there is
2863 something to insert.
2864 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
2865
2866 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2867
2868 PR preprocessor/23479
2869 * doc/extend.texi: Document the 0b-prefixed binary integer
2870 constant extension.
2871
2872 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2873
2874 PR tree-optimization/32215
2875 * tree-vectorizer.c (supportable_widening_operation): Return false
2876 for unsupported FIX_TRUNC_EXPR tree code.
2877 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
2878
2879 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
2880
2881 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
2882 register on SPE targets. Change documentation to reflect
2883 reality.
2884 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
2885 Change FIXED_SCRATCH to 14 and document why we're keeping r14
2886 out of the register allocation pool.
2887 (rs6000_reg_live_or_pic_offset_p): New function.
2888 (rs6000_emit_prologue): Move the actual saving of LR up to free
2889 r0 for holding r11. Split saving of SPE 64-bit registers into
2890 its own case. Ensure that offsets will always be in-range for
2891 'evstdd' by using r11 as a scratch register to point at the start
2892 of the SPE save area. Save r11 if necessary, as it is the static
2893 chain register.
2894 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
2895 into its own case. Ensure that offsets will always be in-range
2896 for 'evldd' by using r11 as a scratch register to point at the
2897 start of the SPE save area. Also adjust r11 when restoring
2898 the stack pointer to compensate for pre-loading r11.
2899
2900 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
2901
2902 * cfg.c (init_flow): Use type safe memory macros.
2903 (alloc_block): Likewise.
2904 (unchecked_make_edge): Likewise.
2905 (dump_flow_info): Avoid using C++ keywords as variable names.
2906 (copy_original_table_clear): Cast according to the coding conventions.
2907 (copy_original_table_set): Likewise.
2908 * cfgexpand (label_rtx_for_bb): Likewise.
2909 (expand_gimple_basic_block): Likewise.
2910 * cfghooks.c (dump_bb): Likewise.
2911 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
2912 variable names.
2913 (lv_add_condition_to_bb): Likewise.
2914 * cfglayout (relink_block_chain): Cast according to the coding
2915 conventions.
2916 (fixup_reorder_chain): Likewise.
2917 (fixup_fallthru_exit_predecessor): Likewise.
2918 * cfgloop.c (glb_enum_p): Likewise.
2919 (get_exit_description): Likewise.
2920 (dump_recorded_exit): Likewise.
2921 * cfgloop.h (enum loop_estimation): Move out of struct scope...
2922 (struct loop): ... from here.
2923 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
2924 conventions.
2925 * cfgrtl.c (rtl_create_basic_block): Likewise.
2926 (rtl_split_block): Likewise.
2927 (rtl_dump_bb): Likewise.
2928 (cfg_layout_split_block): Likewise.
2929 (init_rtl_bb_info): Use typesafe memory macros.
2930
2931 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
2932 * graphds.h: Updated all usages of edge to graph_edge.
2933 * graphds.c: Likewise.
2934 * cfgloopanal.c: Likewise.
2935
2936 2007-06-05 Ian Lance Taylor <iant@google.com>
2937
2938 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
2939 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
2940 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
2941 expression.
2942 (test_for_singularity): Likewise.
2943
2944 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
2945
2946 * config/i386/constraints.md ("Y2"): Replaced by ...
2947 ("Yt"): This.
2948 * config/i386/i386.md: Likewise.
2949 * config/i386/mmx.md: Likewise.
2950 * config/i386/sse.md: Likewise.
2951
2952 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
2953
2954 * config/i386/constraints.md ("z"): Replaced by ...
2955 ("Y0"): This.
2956 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
2957 (sse4_1_blendvps): Likewise.
2958 (sse4_1_pblendvb): Likewise.
2959 (sse4_2_pcmpestr): Likewise.
2960 (sse4_2_pcmpestrm): Likewise.
2961 (sse4_2_pcmpestr_cconly): Likewise.
2962 (sse4_2_pcmpistr): Likewise.
2963 (sse4_2_pcmpistrm): Likewise.
2964 (sse4_2_pcmpistr_cconly): Likewise.
2965
2966 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
2967
2968 * matrix-reorg.c (transform_access_sites): Fix computation.
2969 (transform_allocation_sites): Same.
2970
2971 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2972
2973 * config/i386/i386.c (override_options): Use
2974 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
2975
2976 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2977
2978 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
2979 (nonimm_not_xmm0_operand): Ditto.
2980 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
2981 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
2982 as operand[2] predicate. Require "z" class XMM register for
2983 operand[3]. Adjust asm template.
2984 ("sse4_1_blendvpd"): Ditto.
2985 ("sse4_1_pblendvb"): Ditto.
2986 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
2987 force op2 into xmm0 register for variable blend instructions.
2988
2989 2007-06-04 Tom Tromey <tromey@redhat.com>
2990
2991 * c-tree.h (start_enum): Update.
2992 (build_enumerator): Likewise.
2993 * c-decl.c (enum_next_value): Removed.
2994 (enum_overflow): Likewise.
2995 (start_enum): Add c_enum_contents argument. Don't use globals.
2996 (build_enumerator): Likewise.
2997 * c-tree.h (struct c_enum_contents): New struct.
2998
2999 2007-06-04 Tom Tromey <tromey@redhat.com>
3000
3001 * c-common.c (c_common_get_alias_set): Fix indentation.
3002
3003 2007-06-04 Ian Lance Taylor <iant@google.com>
3004
3005 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
3006 to overflow, reduce overflow infinity to regular infinity.
3007 (vrp_var_may_overflow): New static function.
3008 (vrp_visit_phi_node): Check vrp_var_may_overflow.
3009
3010 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
3011
3012 * stor-layout.c (layout_type): Remove duplicate code.
3013
3014 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
3015
3016 PR c/32191
3017 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
3018 before build_common_builtin_nodes ().
3019
3020 2007-06-04 Steve Ellcey <sje@cup.hp.com>
3021
3022 PR target/31733
3023 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
3024
3025 2007-06-04 Jan Hubicka <jh@suse.cz>
3026
3027 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
3028 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
3029 instead of _stat version.
3030
3031 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3032
3033 PR tree-optimization/32194
3034 * tree-predcom.c (determine_offset): Check that both references have
3035 the same type.
3036
3037 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3038
3039 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
3040 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
3041 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3042 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
3043 Add argument to iterate_fix_dominators call.
3044 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
3045 * gcse.c (hoist_code): Change domby to vector.
3046 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
3047 Add argument to iterate_fix_dominators call.
3048 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3049 recompute_dominator.
3050 * lambda-code.c (perfect_nestify): Ditto.
3051 * cfgloopanal.c: Include graphds.h.
3052 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3053 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3054 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3055 add_edge call.
3056 * graphds.c: New file.
3057 * graphds.h: New file.
3058 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3059 (get_dominated_by, get_dominated_by_region): Change return type to
3060 vector.
3061 (verify_dominators): Recompute all dominators and compare the results.
3062 (recount_dominator): Renamed to ...
3063 (recompute_dominator): ... this. Do not check that the block is
3064 dominated by entry.
3065 (iterate_fix_dominators): Reimplemented.
3066 (prune_bbs_to_update_dominators, root_of_dom_tree,
3067 determine_dominators_for_sons): New functions.
3068 * et-forest.c (et_root): New function.
3069 * et-forest.h (et_root): Declare.
3070 * Makefile.in (graphds.o): Add.
3071 (cfgloopanal.o): Add graphds.h dependency.
3072 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3073 * basic-block.h (get_dominated_by, get_dominated_by_region,
3074 iterate_fix_dominators): Declaration changed.
3075 (recount_dominator): Renamed to ...
3076 (recompute_dominator): ... this.
3077 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3078 (thread_through_all_blocks): Do not free dominance info.
3079
3080 2007-06-03 Andreas Schwab <schwab@suse.de>
3081
3082 * config/m68k/m68k.c (override_options): Don't override
3083 REAL_MODE_FORMAT.
3084 * config/m68k/m68k-modes.def (SF, DF): Define to use
3085 motorola_single_format and motorola_double_format, resp.
3086 * real.c (motorola_single_format): Renamed from
3087 coldfire_single_format.
3088 (motorola_double_format): Renamed from coldfire_double_format.
3089 (encode_ieee_extended): Generate a proper canonical NaN image
3090 respecting canonical_nan_lsbs_set.
3091 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3092 true.
3093 * real.h: Adjust declarations.
3094
3095 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3096
3097 PR target/32163
3098 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3099 the symbol is generated with the stack protector.
3100
3101 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3102
3103 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3104 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3105 "interrupt".
3106 * doc/extend.texi (interrupt): Mention m68k.
3107
3108 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3109
3110 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3111 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3112 (ix86_expand_sse_pcmpestr): Do not check operands for
3113 "register_operand", when insn operand predicate is "register_operand".
3114 (ix86_expand_sse_pcmpistr): Ditto.
3115
3116 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3117 Uros Bizjak <ubizjak@gmail.com>
3118
3119 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3120 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3121 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3122 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3123 * config/i386/constraints.md ("z"): New register constraint
3124 for members of SSE_FIRST_REG class.
3125 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3126 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3127 SSE_FIRST_REG class.
3128 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3129 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3130 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3131 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3132 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3133 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3134 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3135 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3136 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3137 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3138 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3139 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3140 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3141 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3142 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3143 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3144 (struct builtin_description): Change "flag" field to unsigned.
3145 (bdesc_pcmpestr): New builtin description table.
3146 (bdesc_pcmpistr): Likewise.
3147 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3148 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3149 Initialize pcmp[ei]str[im] insns for SSE4.2.
3150 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3151 (ix86_expand_sse_pcmpistr): Likewise.
3152 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3153 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3154 (UNSPEC_PCMPISTR): Likewise.
3155 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3156 (sse4_2_pcmpestri):New isns pattern.
3157 (sse4_2_pcmpestrm): Likewise.
3158 (sse4_2_pcmpestr_cconly): Likewise.
3159 (sse4_2_pcmpistr): New insn patern and splitter.
3160 (sse4_2_pcmpistri):New isns pattern.
3161 (sse4_2_pcmpistrm): Likewise.
3162 (sse4_2_pcmpistr_cconly): Likewise.
3163 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3164 in SSE4.2.
3165
3166 2007-06-01 David Daney <ddaney@avtrex.com>
3167
3168 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3169 LOADGP_ABSOLUTE and not binds_local_p.
3170
3171 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3172
3173 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3174
3175 2007-06-01 Ian Lance Taylor <iant@google.com>
3176
3177 * tree-vrp.c (compare_name_with_value): Always set
3178 used_strict_overflow if we get a result from the variable itself.
3179
3180 2007-06-01 Ian Lance Taylor <iant@google.com>
3181
3182 PR rtl-optimization/31455
3183 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3184 subregs which have a cast between modes which are not tieable.
3185
3186 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3187
3188 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3189 breaks after return statements.
3190
3191 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3192
3193 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3194 only after no_new_pseudos.
3195
3196 2007-05-31 Eric Christopher <echristo@apple.com>
3197
3198 * expr.c (convert_move): Assert that we don't have a BLKmode
3199 operand.
3200 (store_expr): Handle BLKmode moves by calling emit_block_move.
3201
3202 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3203
3204 * c-typeck.c (build_indirect_ref): Include type in error message.
3205 (build_binary_op): Pass types to binary_op_error.
3206 * c-common.c (binary_op_error): Take two type arguments, print out
3207 types with error.
3208 * c-common.h (binary_op_error): Update prototype.
3209
3210 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3211
3212 * config/i386/i386.c: Correct coments on -mno-sse4.
3213
3214 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3215
3216 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3217 (x86_64-*-*): Likewise.
3218 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3219 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3220 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3221 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3222 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3223 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3224 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3225 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3226 (OPTION_MASK_ISA_SSE4): Likewise.
3227 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3228 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3229 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3230 (override_options): Support SSE4.2.
3231 (ix86_build_const_vector): Support SImode and DImode.
3232 (ix86_build_signbit_mask): Likewise.
3233 (ix86_expand_int_vcond): Support V2DImode.
3234 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3235 (IX86_BUILTIN_CRC32HI): Likewise.
3236 (IX86_BUILTIN_CRC32SI): Likewise.
3237 (IX86_BUILTIN_CRC32DI): Likewise.
3238 (IX86_BUILTIN_PCMPGTQ): Likewise.
3239 (bdesc_crc32): Likewise.
3240 (bdesc_sse_3arg): Likewise.
3241 (ix86_expand_crc32): Likewise.
3242 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3243 (ix86_expand_builtin): Likewise.
3244 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3245 __SSE4_2__ for -msse4.2.
3246 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3247 (CRC32MODE): Likewise.
3248 (crc32modesuffix): Likewise.
3249 (crc32modeconstraint): Likewise.
3250 (sse4_2_crc32<mode>): Likewise.
3251 (sse4_2_crc32di): Likewise.
3252 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3253 (msse4): Likewise.
3254 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3255 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3256 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3257 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3258 (vcondu<mode>): Likewise.
3259 * doc/extend.texi: Document SSE4.2 built-in functions.
3260 * doc/invoke.texi: Document -msse4.2/-msse4.
3261
3262 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3263
3264 PR tree-optimization/32160
3265 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3266 variable as gimple reg.
3267 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3268
3269 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3270
3271 * gcc.c (main): Don't consider linker options when issuing the
3272 warning about a linker input file not being used.
3273
3274 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3275
3276 * tree-vrp.c (compare_names): Initialize sop.
3277
3278 2007-05-30 Dirk Mueller <dmueller@suse.de>
3279
3280 * cgraphunit.c (cgraph_analyze_function): Remove
3281 computation of inline parameters.
3282
3283 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3284
3285 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
3286
3287 2007-05-30 Richard Sandiford <richard@codesourcery.com>
3288
3289 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
3290 Add vx-common.h. Include vxworks.h between vx-common.h and
3291 arm/vxworks.h.
3292 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
3293 redefining.
3294 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
3295 (TARGET_ASM_DESTRUCTOR): Likewise.
3296 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
3297 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
3298 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3299 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
3300 (VXWORKS_ENDIAN_SPEC): Define.
3301 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
3302 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
3303 VXWORKS_* equivalents.
3304 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
3305 (ASM_FILE_START): Delete.
3306 (TARGET_VERSION): Reformat.
3307 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
3308 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
3309 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3310 (FPBIT, DPBIT): Define.
3311 (fp-bit.c, dp-bit.c): New rules.
3312 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
3313 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
3314 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
3315 * config/arm/arm.h: Include vxworks-dummy.h.
3316 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
3317 Mark with ATTRIBUTE_UNUSED.
3318 (arm_override_options): Do not allow VxWorks RTP PIC to be used
3319 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
3320 make it incompatible with -msingle-pic-base.
3321 (arm_function_ok_for_sibcall): Return false for calls that might
3322 go through a VxWorks PIC PLT entry.
3323 (require_pic_register): New function, split out from...
3324 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
3325 for VxWorks RTPs.
3326 (arm_load_pic_register): Handle the VxWorks RTP initialization
3327 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
3328 (arm_emit_call_insn): New function.
3329 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
3330 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
3331 (pic_offset_arm): New pattern.
3332 (call, call_value): Use arm_emit_call_insn.
3333 (call_internal, call_value_internal): New expanders.
3334 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
3335 VxWorks unless __PIC__.
3336
3337 2007-05-30 Eric Christopher <echristo@gmail.com>
3338
3339 * genrecog.c: Include regs.h in generated file.
3340 * genemit.c: Ditto. Fix up formatting.
3341 * config/mn10300/constraints.md: New.
3342 * config/mn10300/mn10300.md: Include.
3343 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
3344 Fix up for removed macro.
3345 * config/mn10300/predicates.md (call_address_operand): Ditto.
3346 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
3347 (CONST_OK_FOR_I): Ditto.
3348 (CONST_OK_FOR_J): Ditto.
3349 (CONST_OK_FOR_K): Ditto.
3350 (CONST_OK_FOR_L): Ditto.
3351 (CONST_OK_FOR_M): Ditto.
3352 (CONST_OK_FOR_N): Ditto.
3353 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
3354 (OK_FOR_Q): Ditto.
3355 (OK_FOR_R): Ditto.
3356 (OK_FOR_T): Ditto.
3357 (EXTRA_CONSTRAINT): Ditto.
3358
3359 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3360
3361 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
3362 Remove defines.
3363 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
3364 OPTION_MASK_ISA_64BIT.
3365 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
3366
3367 2007-05-30 Richard Guenther <rguenther@suse.de>
3368
3369 PR middle-end/32152
3370 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
3371 types for comparison.
3372 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
3373 with original typed arguments.
3374 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
3375
3376 2007-05-30 Jakub Jelinek <jakub@redhat.com>
3377
3378 PR tree-optimization/31769
3379 * except.c (duplicate_eh_regions): Clear prev_try if
3380 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
3381
3382 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3383
3384 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
3385 * tree-ssa-sink.c (statement_sink_location): Return basic block and
3386 bsi of the location where statements should be inserted.
3387 (sink_code_in_bb): Take bsi from statement_sink_location.
3388 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
3389 instead of bsi_start.
3390 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
3391 bsi_insert_after.
3392 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
3393 (bsi_move_before): Document inconsistency with bsi_move_after.
3394 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
3395
3396 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3397
3398 * config/i386/i386.h (TARGET_ABM): New define.
3399 (TARGET_POPCNT): Ditto.
3400 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
3401 New temporary defines to redefine from OPTION_ISA_* defines.
3402 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
3403 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
3404 (ix86_isa_flags): New extern int declaration.
3405 (TARGET_SUBTARGET_DEFAULT): New define.
3406 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
3407 (TARGET_SUBTARGET32_DEFAULT): Ditto.
3408 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
3409 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3410 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
3411 * config/i386/darwin.h: Change TARGET_64BIT define to
3412 OPTION_ISA_64BIT.
3413
3414 * config/i386/i386.opt (m3dnowa): Define as undocumented option
3415 using existing "ix86_isa_flags" varible.
3416 (m32, m64): Use existing "ix86_isa_flags" variable.
3417 (mmmx, m3dnow): Ditto.
3418 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
3419 (mabm): Define as non-negative option using "x86_abm" variable.
3420 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
3421
3422 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
3423 Rewrite feature test bitmap.
3424 (ix86_isa_flags): New initialized global int varible.
3425 (ix86_isa_flags_explicit): New static int variable.
3426 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
3427 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
3428 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
3429 target_flags_explicit.
3430 (override_options): Remove "target_enable" and "target_disable" fields
3431 from "struct ptt". Update processor_target_table accordingly. Remove
3432 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
3433 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
3434 "target_flags" and "ix86_isa_flags_explicit" instead of
3435 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
3436 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
3437 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
3438 to true when either of PTA_POPCNT or PTA_ABM is set in
3439 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
3440 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
3441 processor_alias_table flags entry. Remove handling of
3442 "target_enable" and "target_disable" fields of processor_target_table.
3443 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
3444 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
3445 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
3446 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
3447 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
3448 "target_flags".
3449 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
3450
3451 2007-05-29 David Daney <ddaney@avtrex.com>
3452
3453 PR gcc/31975
3454 * config/mips/mips.c (mips_output_mi_thunk): Emit
3455 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
3456
3457 2007-05-29 Hui-May Chang <hm.chang@apple.com>
3458 * config/i386/i386.c (ix86_function_regparm): Added checking of
3459 ix86_force_align_arg_pointer to determine the number of
3460 register parameters.
3461
3462 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
3463
3464 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
3465 (SET_DR_MISALIGNMENT): New.
3466 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
3467 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
3468 Use SET_DR_MISALIGNMENT.
3469 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
3470 pointer.
3471 * tree-data-ref.c (create_data_ref, compute_all_dependences,
3472 find_loop_nest): Export.
3473 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
3474 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
3475 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
3476 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
3477 New macros.
3478 (struct mem_ref): Add field reuse_distance.
3479 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
3480 Initialize reuse_distance field.
3481 (issue_prefetch_ref): Select temporality of prefetch according to
3482 reuse_distance.
3483 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
3484 self_reuse_distance, determine_loop_nest_reuse): New functions.
3485 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
3486 (tree_ssa_prefetch_arrays): Dump L2 cache size.
3487 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
3488 dependency.
3489
3490 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
3491
3492 * tree-ssa-alias.c: Add aliasing overview.
3493
3494 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
3495 Danny Smith <dannysmith@users.sourceforge.net>
3496
3497 PR target/29498
3498 * config/i386/t-crtfm: Compile crtfastmath.o with
3499 -minline-all-stringops.
3500 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
3501 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
3502
3503 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3504
3505 * doc/md.texi: Document constraints on HP PA-RISC.
3506
3507 * pa/constraints.md: New file.
3508 * pa.md: Include constraints.md.
3509 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
3510 (integer_store_memory_operand, ldil_cint_p): New functions.
3511 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
3512 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
3513 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
3514 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
3515 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
3516
3517 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
3518
3519 PR c/31339
3520 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
3521 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
3522 case POSTDECREMENT_EXPR>): Return the error_mark_node
3523 if either the real or imaginary parts would an
3524 error_mark_node.
3525
3526 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
3527
3528 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
3529 name when we remove it from a call.
3530
3531 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
3532
3533 * targhooks.c (default_narrow_bitfield): Remove.
3534 * targhooks.h: Remove the prototype for
3535 default_narrow_bitfield.
3536
3537 * langhooks-def.h: Remove the prototype for
3538 hook_get_alias_set_0.
3539 * langhooks.c (hook_get_alias_set_0): Remove.
3540
3541 * global.c (EXECUTE_IF_CONFLICT): Remove.
3542
3543 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3544
3545 PR tree-opt/32100
3546 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
3547 return true when truth_value_p is true and the type
3548 is of signed:1.
3549
3550 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
3551
3552 * doc/install.texi (Prerequisites): We no longer require Autoconf
3553 2.13 for the top-level.
3554
3555 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
3556
3557 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
3558 memory access via x86_expand_vector_move_misalign() only for
3559 TImode values on 32-bit targets.
3560
3561 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
3562
3563 * matrix-reorg.c: New file. Implement matrix flattening and
3564 transposing optimization.
3565 * tree-pass.h: Add matrix reorg pass.
3566 * common.opt: Add fipa-mreorg flag.
3567 * Makefile.in: Add matrix-reorg.c.
3568 * passes.c: Add matrix reorg pass.
3569 * varpool.c (add_new_static_var): New function.
3570 * cgraph.h (add_new_static_var): Declare.
3571
3572 2007-05-27 Eric Christopher <echristo@apple.com>
3573
3574 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
3575 sp_offset depending on stack size. Save r12 depending
3576 on registers we're saving later.
3577 (rs6000_emit_epilogue): Update sp_offset depending only
3578 on stack size.
3579
3580 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
3581
3582 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
3583 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3584 * ifcvt.c (if_convert): Ditto.
3585 * tree-ssa-threadupdate.c (thread_block): Ditto.
3586 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
3587 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
3588 verify_loop_closed_ssa): Check number_of_loops instead of
3589 current_loops.
3590 * predict.c (tree_estimate_probability): Ditto.
3591 * tree-if-conv.c (main_tree_if_conversion): Ditto.
3592 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3593 * modulo-sched.c (sms_schedule): Ditto.
3594 * tree-scalar-evolution.c (scev_const_prop): Ditto.
3595 (scev_finalize): Do not do anything if scev analysis was not
3596 initialized.
3597 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
3598 current_loops == NULL.
3599 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
3600 * loop-init.c (loop_optimizer_init): Do not free current_loops when
3601 there are no loops.
3602 (loop_optimizer_finalize): Assert that loops were analyzed.
3603 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
3604 rtl_doloop): Check number_of_loops instead of current_loops.
3605 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
3606 current_loops == NULL.
3607 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
3608 gate_tree_vectorize tree_linear_transform, check_data_deps,
3609 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3610 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
3611 Check number_of_loops instead of current_loops.
3612 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
3613 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
3614 free loops if available.
3615 (execute_pre): Do not pass do_fre to fini_pre.
3616
3617 2007-05-27 Tobias Burnus <burnus@net-b.de>
3618
3619 PR middle-end/32083
3620 * real.c (mpfr_from_real): Fix sign of -Inf.
3621
3622 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
3623
3624 * tree-vect-transform.c (vectorizable_conversion): Initialize
3625 tree_code variables to ERROR_MARK.
3626 (vectorizable_type_demotion): Likewise.
3627 (vectorizable_type_promotion): Likewise.
3628
3629 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3630
3631 PR target/32065
3632 * config/i386/i386.md (movti): Handle push operands via
3633 ix86_expand_push().
3634
3635 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3636
3637 * basic-block.h: Remove the prototype for merge_seq_blocks.
3638 * cfgcleanup.c (merge_seq_blocks): Remove.
3639
3640 * tree-flow.h: Remove the prototype for is_aliased_with.
3641 * tree-ssa-alias.c (is_aliased_with): Remove.
3642
3643 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
3644
3645 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
3646
3647 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
3648
3649 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
3650 ix86_expand_sse4_unpack if SSE4.1 is enabled.
3651 (vec_unpacks_hi_v16qi): Likewise.
3652 (vec_unpacku_lo_v16qi): Likewise.
3653 (vec_unpacks_lo_v16qi): Likewise.
3654 (vec_unpacku_hi_v8hi): Likewise.
3655 (vec_unpacks_hi_v8hi): Likewise.
3656 (vec_unpacku_lo_v8hi): Likewise.
3657 (vec_unpacks_lo_v8hi): Likewise.
3658 (vec_unpacku_hi_v4si): Likewise.
3659 (vec_unpacks_hi_v4si): Likewise.
3660 (vec_unpacku_lo_v4si): Likewise.
3661 (vec_unpacks_lo_v4si): Likewise.
3662
3663 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3664
3665 * c-typeck.c, config/arm/arm.c, config/darwin.c,
3666 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
3667 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
3668 follow spelling conventions in various
3669 warning/error/diagnostic messages.
3670
3671 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
3672 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
3673 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
3674 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
3675 tree-vrp.c: Fix comment typos. Follow spelling conventions.
3676 * doc/tm.texi: Follow spelling conventions.
3677
3678 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3679
3680 PR tree-opt/32090
3681 * tree-ssa-forwprop.c
3682 (forward_propagate_addr_into_variable_array_index): Remove
3683 the lhs argument. Use the type of def_rhs instead of lhs.
3684 (forward_propagate_addr_expr_1): Update use of
3685 forward_propagate_addr_into_variable_array_index.
3686
3687 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
3688 Nigel Stephens <nigel@mips.com>
3689
3690 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
3691 function attributes, "far" being an alias for "long_call".
3692 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
3693 (mips_near_type_p, mips_far_type_p): New.
3694 (mips_comp_type_attributes): New function to check that attributes
3695 attached to a function type are compatible.
3696 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
3697 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
3698 to the target function of the thunk.
3699 (mips_encode_section_info): Check for "near" and "far" function
3700 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
3701
3702 * config/mips/predicates.md (const_call_insn_operand): Test only
3703 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
3704
3705 * doc/extend.texi (Function Attributes): Document MIPS "near" and
3706 "far" attributes.
3707
3708 * testsuite/gcc.target/mips/near-far-1.c: New test case.
3709 * testsuite/gcc.target/mips/near-far-2.c: New test case.
3710 * testsuite/gcc.target/mips/near-far-3.c: New test case.
3711 * testsuite/gcc.target/mips/near-far-4.c: New test case.
3712
3713 2007-05-25 Eric Christopher <echristo@apple.com>
3714
3715 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
3716 to x86-darwin configurations.
3717 * config/i386/t-darwin: Add softfp support.
3718 * config/i386/t-darwin64: Ditto.
3719 * config/i386/sfp-machine.h: If mach then don't use
3720 aliasing, emit a stub to call.
3721
3722 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
3723
3724 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
3725 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
3726 tree-predcom.c, tree-ssa-alias-warnings.c,
3727 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
3728 comment typos. Follow spelling conventions.
3729 * doc/cpp.texi, doc/invoke.texi: Fix typos.
3730
3731 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3732
3733 PR target/32065
3734 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
3735 constants into memory. Expand unaligned memory references for
3736 SSE modes via x86_expand_vector_move_misalign() function.
3737
3738 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
3739
3740 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
3741 "memory" attribute for "sseishft" type insn without operands[2].
3742
3743 2007-05-25 Dirk Mueller <dmueller@suse.de>
3744 Marcus Meissner <meissner@suse.de>
3745
3746 * doc/extend.texi (alloc_size): New attribute.
3747 * c-common.c (handle_alloc_size_attribute): New.
3748 * tree-object-size.c (alloc_object_size): Use alloc_size
3749 attribute, if available.
3750
3751 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3752
3753 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
3754 with MASK_SSE2.
3755 (__builtin_ia32_vec_ext_v2di): Likewise.
3756 (__builtin_ia32_vec_ext_v4si): Likewise.
3757 (__builtin_ia32_vec_ext_v8hi): Likewise.
3758 (__builtin_ia32_vec_ext_v16qi): Likewise.
3759 (__builtin_ia32_vec_set_v8hi): Likewise.
3760
3761 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3762
3763 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
3764
3765 2007-05-25 Richard Sandiford <richard@codesourcery.com>
3766
3767 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
3768 (arm_is_longcall_p): Rename to...
3769 (arm_is_long_call_p): ...this. Take a single tree argument and
3770 return a bool.
3771 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
3772 (CUMULATIVE_ARGS): Remove call_cookie.
3773 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
3774 (ENCODED_LONG_CALL_ATTR_P): Delete.
3775 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
3776 LONG_CALL_FLAG_CHAR cases.
3777 (ARM_DECLARE_FUNCTION_SIZE): Delete.
3778 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
3779 ARM_DECLARE_FUNCTION_SIZE.
3780 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
3781 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
3782 (arm_encode_call_attribute, current_file_function_operand): Delete.
3783 (arm_function_in_section_p): New function.
3784 (arm_is_longcall_p): Rename to...
3785 (arm_is_long_call_p): ...this. Take the target function as a single
3786 argument and return a bool. Do not rely on call cookies. Check
3787 whether the target symbol is in the same section as the current
3788 function, not just the same compilation unit.
3789 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
3790 (arm_encode_section_info): Don't encode a call type.
3791 * config/arm/arm.md (call, call_value): Update calls to
3792 arm_is_long(_)call_p. Simplify logic.
3793 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
3794 Update calls to arm_is_long(_)call_p.
3795
3796 2007-05-25 Richard Guenther <rguenther@suse.de>
3797
3798 PR tree-optimization/31982
3799 * tree-ssa-forwprop.c
3800 (forward_propagate_addr_into_variable_array_index): Handle arrays
3801 with element size one.
3802
3803 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3804
3805 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
3806 (umulsi3_highpart): Likewise.
3807
3808 2007-05-24 Ian Lance Taylor <iant@google.com>
3809
3810 PR rtl-optimization/32069
3811 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
3812 is NULL.
3813
3814 2007-05-24 Ollie Wild <aaw@google.com>
3815
3816 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
3817 description.
3818
3819 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
3820
3821 * postreload-gcse.c (reg_changed_after_insn_p): New function.
3822 (oprs_unchanged_p): Use it to check all registers in a REG.
3823 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
3824 (reg_set_between_after_reload_p): Delete.
3825 (reg_used_between_after_reload_p): Likewise.
3826 (reg_set_or_used_since_bb_start): Likewise.
3827 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
3828 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
3829 Use reg_set_between_p instead of reg_set_between_after_reload_p.
3830 * rtlanal.c (reg_set_p): Check whether REG overlaps
3831 regs_invalidated_by_call, rather than just checking the
3832 membership of REGNO (REG).
3833
3834 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3835
3836 * doc/passes.texi: Document predictive commoning.
3837 * doc/invoke.texi (-fpredictive-commoning): Document.
3838 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
3839 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
3840 adding indices to the generated name.
3841 (schedule_sm): Pass 0 to get_lsm_tmp_name.
3842 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
3843 * tree-pretty-print.c (op_symbol_1): Renamed to ...
3844 (op_symbol_code): ... and exported.
3845 (dump_omp_clause, op_symbol): Use op_symbol_code
3846 instead of op_symbol_1.
3847 * tree-pass.h (pass_predcom): Declare.
3848 * timevar.def (TV_PREDCOM): New timevar.
3849 * tree-ssa-loop.c (run_tree_predictive_commoning,
3850 gate_tree_predictive_commoning, pass_predcom): New.
3851 * tree-data-ref.c (find_data_references_in_loop): Find the
3852 references in dominance order.
3853 (canonicalize_base_object_address): Ensure that the result has
3854 pointer type.
3855 (dr_analyze_innermost): Export.
3856 (create_data_ref): Code to fail for references with invariant
3857 address moved ...
3858 (find_data_references_in_stmt): ... here.
3859 * tree-data-ref.h (dr_analyze_innermost): Declare.
3860 * tree-affine.c: Include tree-gimple.h and hashtab.h.
3861 (aff_combination_find_elt, name_expansion_hash,
3862 name_expansion_eq, tree_to_aff_combination_expand,
3863 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
3864 New functions.
3865 * tree-affine.h (aff_combination_constant_multiple_p,
3866 tree_to_aff_combination_expand): Declare.
3867 * tree-predcom.c: New file.
3868 * common.opt (fpredictive-commoning): New option.
3869 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
3870 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
3871 * Makefile.in (tree-predcom.o): Add.
3872 (tree-affine.o): Add TREE_GIMPLE_H dependency.
3873 * passes.c (init_optimization_passes): Add dceloop after
3874 copy propagation in loop optimizer. Add predictive commoning
3875 to loop optimizer passes.
3876
3877 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3878
3879 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
3880 default hook.
3881
3882 2007-05-24 Jan Hubicka <jh@suse.cz>
3883
3884 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
3885 statistics.
3886 (genheader): Include statistics.h.
3887
3888 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
3889 notes are gone.
3890 * print-rtl.c (flag_dump_unnumbered): Update comments.
3891 (print_rtl): Fix my previous change.
3892 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
3893 specific data.
3894
3895 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3896
3897 PR middle-end/32018
3898 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
3899 set_loop_copy.
3900 (thread_through_all_blocks): Call initialize_original_copy_tables
3901 and free_original_copy_tables.
3902 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
3903 Use set_loop_copy.
3904 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
3905 * cfghooks.c (duplicate_block): Use get_loop_copy.
3906 * cfg.c: Include cfgloop.h.
3907 (loop_copy): New hash table.
3908 (initialize_original_copy_tables): Initialize loop_copy table.
3909 (free_original_copy_tables): Free loop_copy table.
3910 (copy_original_table_clear, copy_original_table_set,
3911 set_loop_copy, get_loop_copy): New functions.
3912 (set_bb_original, set_bb_copy): Use copy_original_table_set.
3913 * cfgloop.h (struct loop): Remove copy field.
3914 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
3915 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
3916
3917 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3918
3919 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
3920 -msse/-msse2/-msse3.
3921
3922 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3923
3924 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
3925 __builtin_ia32_vec_set_v2di with MASK_64BIT.
3926
3927 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
3928
3929 PR target/27067
3930 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
3931 * targhooks.h (default_mangle_decl_assembler_name): Declare
3932 default hook.
3933 * targhooks.c (default_mangle_decl_assembler_name): Define
3934 default hook.
3935 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
3936 default hook.
3937 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
3938 * langhooks.c (lhd_set_decl_assembler_name): Call
3939 targetm.mangle_decl_assembler_name for names with global scope.
3940
3941 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
3942 default.
3943 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
3944 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
3945 Declare.
3946 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
3947 New. Factored out of i386_pe_encode_section_info.
3948 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
3949 Move check for prior decoration of stdcall
3950 symbols to i386_pe_encode_section_info.
3951 (i386_pe_encode_section_info): Adjust call to
3952 gen_stdcall_or_fastcall_suffix. Use
3953 i386_pe_maybe_mangle_decl_assembler_name, if needed.
3954 (i386_pe_mangle_decl_assembler_name): New. Wrap
3955 i386_pe_maybe_mangle_decl_assembler_name.
3956
3957 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
3958
3959 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
3960 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
3961 * langhooks.c (get_signed_or_unsigned_type): Don't check for
3962 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
3963 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
3964 TYPE_UNSIGNED.
3965
3966 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
3967 Nigel Stephens <nigel@mips.com>
3968 Richard Sandiford <richard@codesourcery.com>
3969
3970 Fix up MIPS16 hard float and add support for complex.
3971
3972 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
3973 (TARGET_SOFT_FLOAT_ABI): New.
3974 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
3975 __mips_soft_float to reflect the ABI in use, not whether the
3976 FPU is directly accessible (e.g., in MIPS16 mode).
3977 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
3978 (UNITS_PER_FPVALUE): Likewise.
3979
3980 * config/mips/mips.c (mips_expand_call): Remove redundant
3981 TARGET_MIPS16 check.
3982 (mips_arg_regno): New.
3983 (function_arg_advance): When setting bits in cum->fp_code for
3984 MIPS16, don't subtract 1 from cum->arg_number, since it is now
3985 zero-based.
3986 (function_arg): Use mips_arg_regno.
3987 (mips_return_mode_in_fpr_p): New.
3988 (mips16_call_stub_mode_suffix): New.
3989 (mips16_cfun_returns_in_fpr_p): New.
3990 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
3991 (mips_output_function_prologue): Test mips16_hard_float, not
3992 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
3993 (mips_expand_epilogue): Call MIPS16 helper routines to copy
3994 return value into a floating-point register.
3995 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
3996 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
3997 (mips16_fp_args): Handle MIPS32r2 ISA which supports
3998 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
3999 word of double arguments from or to the high bits of 64-bit
4000 floating point registers.
4001 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
4002 (mips16_fpret_double): New helper function.
4003 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
4004 support for complex modes. Fill in DECL_RESULT for stubdecl.
4005 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
4006
4007 * config/mips/mips16.S
4008 (RET, ARG1, ARG2): New.
4009 (MERGE_GPRf, MERGE_GPRt): New.
4010 (DELAYt, DELAYf): New.
4011 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
4012 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
4013 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
4014 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
4015 (SFOP): Renamed to...
4016 (OPSF3): This, and macro-ified. Updated all uses.
4017 (SFOP2): Renamed to...
4018 (OPSF2): This, and macro-ified. Updated all uses.
4019 (SFCMP): Renamed to...
4020 (CMPSF): This, and macro-ified. Updated all uses.
4021 (SFREVCMP): Renamed to...
4022 (REVCMPSF): This, and macro-ified. Updated all uses.
4023 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
4024 (LDDBL1, LDDBL2, RETDBL): Deleted.
4025 (DFOP): Renamed to...
4026 (OPDF3): This, and macro-ified. Updated all uses.
4027 (DFOP2): Renamed to...
4028 (OPDF2): This, and macro-ified. Updated all uses.
4029 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
4030 (DFCMP): Renamed to...
4031 (CMPDF): This, and macro-ified. Updated all uses.
4032 (DFREVCMP): Renamed to...
4033 (REVCMPDF): This, and macro-ified. Updated all uses.
4034 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
4035 (RET_FUNCTION): New.
4036 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
4037 (__mips16_ret_sc, __mips16_ret_dc): New.
4038 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
4039 STUB_ARGS_6, STUB_ARGS_10): New.
4040 (CALL_STUB_NO_RET): New.
4041 (__mips16_call_stub_1): Macro-ified.
4042 (__mips16_call_stub_5): Macro-ified.
4043 (__mips16_call_stub_2): Macro-ified.
4044 (__mips16_call_stub_6): Macro-ified.
4045 (__mips16_call_stub_9): Macro-ified.
4046 (__mips16_call_stub_10): Macro-ified.
4047 (CALL_STUB_RET): New.
4048 (__mips16_call_stub_sf_0): Macro-ified.
4049 (__mips16_call_stub_sf_1): Macro-ified.
4050 (__mips16_call_stub_sf_5): Macro-ified.
4051 (__mips16_call_stub_sf_2): Macro-ified.
4052 (__mips16_call_stub_sf_6): Macro-ified.
4053 (__mips16_call_stub_sf_9): Macro-ified.
4054 (__mips16_call_stub_sf_10): Macro-ified.
4055 (__mips16_call_stub_df_0): Macro-ified.
4056 (__mips16_call_stub_df_1): Macro-ified.
4057 (__mips16_call_stub_df_5): Macro-ified.
4058 (__mips16_call_stub_df_2): Macro-ified.
4059 (__mips16_call_stub_df_6): Macro-ified.
4060 (__mips16_call_stub_df_9): Macro-ified.
4061 (__mips16_call_stub_df_10): Macro-ified.
4062 (__mips16_call_stub_sc_0): New.
4063 (__mips16_call_stub_sc_1): New.
4064 (__mips16_call_stub_sc_5): New.
4065 (__mips16_call_stub_sc_2): New.
4066 (__mips16_call_stub_sc_6): New.
4067 (__mips16_call_stub_sc_9): New.
4068 (__mips16_call_stub_sc_10): New.
4069 (__mips16_call_stub_dc_0): New.
4070 (__mips16_call_stub_dc_1): New.
4071 (__mips16_call_stub_dc_5): New.
4072 (__mips16_call_stub_dc_2): New.
4073 (__mips16_call_stub_dc_6): New.
4074 (__mips16_call_stub_dc_9): New.
4075 (__mips16_call_stub_dc_10): New.
4076
4077 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
4078 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
4079 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
4080
4081 2007-05-23 Ian Lance Taylor <iant@google.com>
4082
4083 * doc/invoke.texi (Invoking GCC): Document that the order of the
4084 -l option matters.
4085
4086 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
4087
4088 PR target/30987
4089 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
4090 * config/score/predicate.md (const_pow2, const_npow2): Remove.
4091 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
4092 undef.
4093
4094 PR target/30474
4095 * config/score/score.c (score_print_operand): Make sure that only
4096 lower bits are used.
4097
4098 2007-05-22 Ian Lance Taylor <iant@google.com>
4099
4100 * tree-vrp.c (avoid_overflow_infinity): New static function,
4101 broken out of set_value_range_to_value.
4102 (set_value_range_to_value): Call avoid_overflow_infinity.
4103 (extract_range_from_assert): Likewise.
4104
4105 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
4106
4107 PR middle-end/31095
4108 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
4109 change the type before looking for a COMPOUND_EXPR.
4110
4111 2007-05-22 Ian Lance Taylor <iant@google.com>
4112
4113 * lower-subreg.c (decompose_multiword_subregs): If we change an
4114 insn, call remove_retval_note on it.
4115
4116 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4117
4118 * regs.h (end_hard_regno): New function.
4119 (END_HARD_REGNO, END_REGNO): New macros.
4120 (add_to_hard_reg_set): New function.
4121 (remove_from_hard_reg_set): Likewise.
4122 (in_hard_reg_set_p): Likewise.
4123 (overlaps_hard_reg_set_p): Likewise.
4124 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
4125 (note_btr_set): Use END_HARD_REGNO.
4126 * caller-save.c (setup_save_areas): Use end_hard_regno.
4127 (mark_set_regs): Use END_HARD_REGNO.
4128 (add_stored_regs): Use end_hard_regno.
4129 (mark_referenced_regs): Use add_to_hard_reg_set.
4130 * combine.c (update_table_tick): Use END_REGNO.
4131 (record_value_for_reg): Likewise.
4132 (record_dead_and_set_regs): Likewise.
4133 (get_last_value_validate): Likewise.
4134 (use_crosses_set_p): Likewise.
4135 (reg_dead_at_p_1): Likewise.
4136 (reg_dead_at_p): Likewise.
4137 (mark_used_regs_combine): Use add_to_hard_reg_set.
4138 (move_deaths): Use END_HARD_REGNO.
4139 (reg_bitfield_target_p): Use end_hard_regno.
4140 (distribute_notes): Use END_HARD_REGNO.
4141 * cse.c (mention_regs): Use END_REGNO.
4142 (insert): Use add_to_hard_reg_set.
4143 (invalidate): Use END_HARD_REGNO.
4144 (invalidate_for_call): Likewise.
4145 (exp_equiv_p): Use END_REGNO.
4146 (cse_insn): Likewise.
4147 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
4148 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
4149 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
4150 * function.c (keep_stack_depressed): Use end_hard_regno.
4151 * global.c (global_alloc): Use end_hard_regno.
4152 (global_conflicts): Use add_to_hard_reg_set instead of
4153 mark_reg_live_nc.
4154 (find_reg): Likewise.
4155 (mark_reg_store): Likewise.
4156 (mark_reg_conflicts): Likewise.
4157 (mark_reg_death): Use remove_from_hard_reg_set.
4158 (mark_reg_live_nc): Delete.
4159 (set_preference): Use end_hard_regno.
4160 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
4161 remove_from_hard_reg_set.
4162 (post_mark_life): Use add_to_hard_reg_set.
4163 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
4164 (reg_becomes_live): Use add_to_hard_reg_set.
4165 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
4166 (peep2_find_free_register): Use add_to_hard_reg_set.
4167 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
4168 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
4169 * regrename.c (note_sets): Use add_to_hard_reg_set.
4170 (clear_dead_regs): Use remove_from_hard_reg_set.
4171 (regrename_optimize): Use add_to_hard_reg_set.
4172 (find_oldest_value_reg): Use in_hard_reg_set_p.
4173 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
4174 (hard_reg_set_here_p): Use end_hard_regno.
4175 (decompose): Likewise.
4176 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
4177 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
4178 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
4179 (mark_home_live): Use end_hard_regno.
4180 (spill_hard_reg): Likewise.
4181 (clear_reload_reg_in_use): Likewise.
4182 * reorg.c (delete_prior_computation): Use END_REGNO.
4183 * resource.c (update_live_status): Use END_HARD_REGNO.
4184 (mark_referenced_resources): Use add_to_hard_reg_set.
4185 (mark_set_resources): Likewise.
4186 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
4187 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
4188 (reg_overlap_mentioned_p): Likewise.
4189 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
4190 (covers_regno_no_parallel_p): Use END_REGNO.
4191 (find_regno_note): Likewise.
4192 (find_reg_fusage): Use END_HARD_REGNO.
4193 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
4194 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
4195
4196 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4197
4198 * mode-switching.c (reg_dies): Change type of second argument to
4199 "HARD_REG_SET *".
4200 (optimize_mode_switching): Update accordingly.
4201
4202 2007-05-22 Richard Sandiford <richard@codesourcery.com>
4203
4204 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
4205 in favor of...
4206 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
4207 (hard_reg_set_empty_p): ...these new functions.
4208 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
4209 GO_IF_HARD_REG_SUBSET.
4210 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
4211 instead of GO_IF_HARD_REG_EQUAL.
4212 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
4213 instead of GO_IF_HARD_REG_EQUAL.
4214 * global.c (find_reg): Use hard_reg_set_empty_p instead of
4215 GO_IF_HARD_REG_SUBSET.
4216 (modify_reg_pav): Use hard_reg_set_empty_p instead of
4217 GO_IF_HARD_REG_EQUAL.
4218 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
4219 of GO_IF_HARD_REG_SUBSET.
4220 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
4221 instead of GO_IF_HARD_REG_EQUAL.
4222 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
4223 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
4224 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
4225 of GO_IF_HARD_REG_SUBSET,
4226 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
4227 GO_IF_HARD_REG_SUBSET.
4228 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
4229 instead of GO_IF_HARD_REG_EQUAL.
4230 * config/sh/sh.c (push_regs, calc_live_regs): Use
4231 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
4232 (hard_regs_intersect_p): Delete.
4233
4234 2007-05-22 Janis Johnson <janis187@us.ibm.com>
4235
4236 * doc/sourcebuild.texi (Test Directives) Add dg-message.
4237
4238 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
4239 Richard Henderson <rth@redhat.com>
4240
4241 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
4242 extra_headers.
4243 (x86_64-*-*): Likewise.
4244
4245 * i386/i386-modes.def (V2QI): New.
4246
4247 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
4248 SSE4A.
4249 (override_options): Support SSE4.1.
4250 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
4251 (IX86_BUILTIN_BLENDPS): Likewise.
4252 (IX86_BUILTIN_BLENDVPD): Likewise.
4253 (IX86_BUILTIN_BLENDVPS): Likewise.
4254 (IX86_BUILTIN_PBLENDVB128): Likewise.
4255 (IX86_BUILTIN_PBLENDW128): Likewise.
4256 (IX86_BUILTIN_DPPD): Likewise.
4257 (IX86_BUILTIN_DPPS): Likewise.
4258 (IX86_BUILTIN_INSERTPS128): Likewise.
4259 (IX86_BUILTIN_MOVNTDQA): Likewise.
4260 (IX86_BUILTIN_MPSADBW128): Likewise.
4261 (IX86_BUILTIN_PACKUSDW128): Likewise.
4262 (IX86_BUILTIN_PCMPEQQ): Likewise.
4263 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
4264 (IX86_BUILTIN_PMAXSB128): Likewise.
4265 (IX86_BUILTIN_PMAXSD128): Likewise.
4266 (IX86_BUILTIN_PMAXUD128): Likewise.
4267 (IX86_BUILTIN_PMAXUW128): Likewise.
4268 (IX86_BUILTIN_PMINSB128): Likewise.
4269 (IX86_BUILTIN_PMINSD128): Likewise.
4270 (IX86_BUILTIN_PMINUD128): Likewise.
4271 (IX86_BUILTIN_PMINUW128): Likewise.
4272 (IX86_BUILTIN_PMOVSXBW128): Likewise.
4273 (IX86_BUILTIN_PMOVSXBD128): Likewise.
4274 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
4275 (IX86_BUILTIN_PMOVSXWD128): Likewise.
4276 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
4277 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
4278 (IX86_BUILTIN_PMOVZXBW128): Likewise.
4279 (IX86_BUILTIN_PMOVZXBD128): Likewise.
4280 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
4281 (IX86_BUILTIN_PMOVZXWD128): Likewise.
4282 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
4283 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
4284 (IX86_BUILTIN_PMULDQ128): Likewise.
4285 (IX86_BUILTIN_PMULLD128): Likewise.
4286 (IX86_BUILTIN_ROUNDPD): Likewise.
4287 (IX86_BUILTIN_ROUNDPS): Likewise.
4288 (IX86_BUILTIN_ROUNDSD): Likewise.
4289 (IX86_BUILTIN_ROUNDSS): Likewise.
4290 (IX86_BUILTIN_PTESTZ): Likewise.
4291 (IX86_BUILTIN_PTESTC): Likewise.
4292 (IX86_BUILTIN_PTESTNZC): Likewise.
4293 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
4294 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
4295 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
4296 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
4297 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
4298 (bdesc_ptest): New.
4299 (bdesc_sse_3arg): Likewise.
4300 (bdesc_2arg): Likewise.
4301 (bdesc_1arg): Likewise.
4302 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
4303 with 3 args.
4304 (ix86_expand_sse_4_operands_builtin): New.
4305 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
4306 smaller than 8 bits as the 2nd arg.
4307 (ix86_expand_sse_ptest): New.
4308 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
4309 (ix86_expand_vector_set): Support SSE4.1.
4310 (ix86_expand_vector_extract): Likewise.
4311
4312 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
4313 __SSE4_1__ for -msse4.1.
4314
4315 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
4316 (UNSPEC_INSERTPS): Likewise.
4317 (UNSPEC_DP): Likewise.
4318 (UNSPEC_MOVNTDQA): Likewise.
4319 (UNSPEC_MPSADBW): Likewise.
4320 (UNSPEC_PHMINPOSUW): Likewise.
4321 (UNSPEC_PTEST): Likewise.
4322 (UNSPEC_ROUNDP): Likewise.
4323 (UNSPEC_ROUNDS): Likewise.
4324
4325 * config/i386/i386.opt (msse4.1): New for SSE4.1.
4326
4327 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
4328 (const_pow2_1_to_32768_operand): Likewise.
4329
4330 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
4331 file.
4332
4333 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
4334 SSE4.1.
4335 (sse4_1_insertps): Likewise.
4336 (*sse4_1_extractps): Likewise.
4337 (sse4_1_ptest): Likewise.
4338 (sse4_1_mulv2siv2di3): Likewise.
4339 (*sse4_1_mulv4si3): Likewise.
4340 (*sse4_1_smax<mode>3): Likewise.
4341 (*sse4_1_umax<mode>3): Likewise.
4342 (*sse4_1_smin<mode>3): Likewise.
4343 (*sse4_1_umin<mode>3): Likewise.
4344 (sse4_1_eqv2di3): Likewise.
4345 (*sse4_1_pinsrb): Likewise.
4346 (*sse4_1_pinsrd): Likewise.
4347 (*sse4_1_pinsrq): Likewise.
4348 (*sse4_1_pextrb): Likewise.
4349 (*sse4_1_pextrb_memory): Likewise.
4350 (*sse4_1_pextrw_memory): Likewise.
4351 (*sse4_1_pextrq): Likewise.
4352 (sse4_1_blendpd): Likewise.
4353 (sse4_1_blendps): Likewise.
4354 (sse4_1_blendvpd): Likewise.
4355 (sse4_1_blendvps): Likewise.
4356 (sse4_1_dppd): Likewise.
4357 (sse4_1_dpps): Likewise.
4358 (sse4_1_movntdqa): Likewise.
4359 (sse4_1_mpsadbw): Likewise.
4360 (sse4_1_packusdw): Likewise.
4361 (sse4_1_pblendvb): Likewise.
4362 (sse4_1_pblendw): Likewise.
4363 (sse4_1_phminposuw): Likewise.
4364 (sse4_1_extendv8qiv8hi2): Likewise.
4365 (*sse4_1_extendv8qiv8hi2): Likewise.
4366 (sse4_1_extendv4qiv4si2): Likewise.
4367 (*sse4_1_extendv4qiv4si2): Likewise.
4368 (sse4_1_extendv2qiv2di2): Likewise.
4369 (*sse4_1_extendv2qiv2di2): Likewise.
4370 (sse4_1_extendv4hiv4si2): Likewise.
4371 (*sse4_1_extendv4hiv4si2): Likewise.
4372 (sse4_1_extendv2hiv2di2): Likewise.
4373 (*sse4_1_extendv2hiv2di2): Likewise.
4374 (sse4_1_extendv2siv2di2): Likewise.
4375 (*sse4_1_extendv2siv2di2): Likewise.
4376 (sse4_1_zero_extendv8qiv8hi2): Likewise.
4377 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
4378 (sse4_1_zero_extendv4qiv4si2): Likewise.
4379 (*sse4_1_zero_extendv4qiv4si2): Likewise.
4380 (sse4_1_zero_extendv2qiv2di2): Likewise.
4381 (*sse4_1_zero_extendv2qiv2di2): Likewise.
4382 (sse4_1_zero_extendv4hiv4si2): Likewise.
4383 (*sse4_1_zero_extendv4hiv4si2): Likewise.
4384 (sse4_1_zero_extendv2hiv2di2): Likewise.
4385 (*sse4_1_zero_extendv2hiv2di2): Likewise.
4386 (sse4_1_zero_extendv2siv2di2): Likewise.
4387 (*sse4_1_zero_extendv2siv2di2): Likewise.
4388 (sse4_1_roundpd): Likewise.
4389 (sse4_1_roundps): Likewise.
4390 (sse4_1_roundsd): Likewise.
4391 (sse4_1_roundss): Likewise.
4392 (mulv4si3): Don't expand for SSE4.1.
4393 (smax<mode>3): Likewise.
4394 (umaxv4si3): Likewise.
4395 (uminv16qi3): Likewise.
4396 (umin<mode>3): Likewise.
4397 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
4398
4399 * doc/extend.texi: Document SSE4.1 built-in functions.
4400
4401 * doc/invoke.texi: Document -msse4.1.
4402
4403 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
4404
4405 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
4406 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
4407 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
4408 (ASM_SPEC): Add asm_pcrel_spec.
4409 (EXTRA_SPECS): Add asm_pcrel_spec.
4410
4411 2007-05-21 David Daney <ddaney@avtrex.com>
4412
4413 * doc/install.texi (Building a cross compiler): Add requirements
4414 for Java cross compiler.
4415
4416 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
4417
4418 PR middle-end/31995
4419 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
4420 Add loopno argument. Use evolution_function_is_invariant_rec_p
4421 instead of evolution_function_is_constant_p.
4422 Update calls to evolution_function_is_affine_multivariate_p.
4423 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
4424 Add loopno argument.
4425 * tree-scalar-evolution.c (gather_chrec_stats): Call
4426 evolution_function_is_affine_multivariate_p with a loop
4427 number of 0.
4428 * tree-data-ref.c (analyze_miv_subscript): Likewise.
4429 (analyze_overlapping_iterations): Likewise.
4430 (access_functions_are_affine_or_constant_p): Likewise.
4431 (build_classic_dist_vector_1): If the access functions
4432 are equal, don't do anything.
4433
4434 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
4435 Paolo Carlini <pcarlini@suse.de>
4436 Uros Bizjak <ubizjak@gmail.com>
4437
4438 * c-cppbuiltin.c (c_cpp_builtins): Define
4439 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
4440 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
4441 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
4442 * doc/cpp.texi ([Standard Predefined Macros]): Document.
4443
4444 2007-05-21 Mike Stump <mrs@apple.com>
4445
4446 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
4447 handling as well.
4448 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
4449
4450 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
4451
4452 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
4453 implementation if __OPTIMIZE__ is not defined.
4454 (_mm_alignr_pi8): Ditto.
4455 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4456 (_mm_inserti_si64): Ditto.
4457 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4458 (_mm_slli_epi16): Ditto.
4459 (_mm_slli_epi32): Ditto.
4460 (_mm_slli_epi64): Ditto.
4461 (_mm_srai_epi16): Ditto.
4462 (_mm_srai_epi32): Ditto.
4463 (_mm_srli_si128): Ditto.
4464 (_mm_slli_si128): Ditto.
4465 (_mm_srli_epi16): Ditto.
4466 (_mm_srli_epi32): Ditto.
4467 (_mm_srli_epi64): Ditto.
4468 (_mm_extract_epi16): Ditto.
4469 (_mm_insert_epi16): Ditto.
4470 (_mm_shufflehi_epi16): Ditto.
4471 (_mm_shufflelo_epi16): Ditto.
4472 (_mm_shuffle_epi32): Ditto.
4473 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
4474 (_m_pextrw): Ditto.
4475 (_mm_insert_pi16): Ditto.
4476 (_m_pinsrw): Ditto.
4477 (_mm_shuffle_pi16): Ditto.
4478 (_m_pshufw): Ditto.
4479 (_mm_shufle_ps): Ditto.
4480 (_mm_prefetch): Ditto.
4481
4482 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
4483
4484 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
4485 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
4486 * real.c (encode_i370_single, decode_i370_single,
4487 encode_i370_double, decode_i370_double): Functions removed.
4488 (i370_single_format, i370_double_format): Initializations removed.
4489 (real_maxval, round_for_format, exact_real_truncate, significand_size):
4490 Consider the log2_b field to always be one.
4491 (ieee_single_format, mips_single_format, coldfire_single_format,
4492 ieee_double_format, mips_double_format, coldfire_double_format,
4493 ieee_extended_motorola_format, ieee_extended_intel_96_format,
4494 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
4495 ibm_extended_format, mips_extended_format, ieee_quad_format,
4496 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
4497 decimal_single_format, decimal_double_format, decimal_quad_format,
4498 c4x_single_format, c4x_extended_format, real_internal_format): Remove
4499 initialization of log2_b.
4500 * real.h (i370_single_format, i370_double_format): Declarations removed.
4501 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
4502 field to always be one.
4503
4504 2007-05-21 Andreas Schwab <schwab@suse.de>
4505
4506 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
4507 NOTE_INSN_BASIC_BLOCK_P.
4508 (process_for_unwind_directive): Likewise.
4509
4510 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
4511
4512 * builtins.c (expand_builtin_setjmp_setup): Update comment.
4513 * function.h (struct function): Move va_list_gpr_size,
4514 va_list_fpr_size, function_frequency to front of bitfields. Add
4515 calls_unwind_init.
4516 (current_function_calls_unwind_init): New.
4517 * except.c (expand_builtin_unwind_init): Set
4518 current_function_calls_unwind_init not
4519 current_function_has_nonlocal_label.
4520 * reload1.c (has_nonexceptional_receiver): New.
4521 (reload): Use it and current_function_calls_unwind_init to
4522 determine whether call-saved regs must be saved.
4523
4524 2007-05-20 Jan Hubicka <jh@suse.cz>
4525
4526 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
4527 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4528 * ddg.c (create_ddg): LIkewise.
4529 * final.c (final): Remove hunk moving line numbernotes around since
4530 they are no longer present at this stage.
4531 (final_scan_insn): Use NOTE_KIND instead of
4532 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4533 (output_asm_label): Likewise.
4534 * reorg.c (dbr_schedule): Likewise.
4535 * haifa-sched.c (unlink_other_notes): Likewise.
4536 * mode-switching.c (optimize_mode_switching): Likewise.
4537 * graph.c (start_bb): Likewise.
4538 * rtl.def (NOTE): Update description.
4539 * jump.c (squeeze_notes): Delete.
4540 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
4541 NOTE_INSN_BASIC_BLOCK_P when possible.
4542 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
4543 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
4544 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4545 (dwarf2out_var_location): Likewise.
4546 * cfgbuild.c (make_edges): Likewise.
4547 (find_basic_blocks_1): Likewise.
4548 * function.c (reorder_blocks_1): Likewise.
4549 (epilogue_done): Likewise.
4550 (reposition_prologue_and_epilogue_notes): Likewise.
4551 * print-rtl.c (print_rtx): Likewise; drop code for printing line number
4552 notes.
4553 (print_rtl): Likewise.
4554 (print_rtl_single): Likewise.
4555 * gcse.c (insert_insn_start_bb): Likewise.
4556 * alias.c (init_alias_analysis): Likewise.
4557 * calls.c (fixup_tail_calls): Likewise.
4558 * except.c (sjlj_emit_function_enter): Likewise.
4559 * emit-rtl.c (add_insn_after): Likeiwse.
4560 (emit_label_before): Likewise.
4561 (emit_label_after): Likewise.
4562 (emit_note_before, emit_note_after, emit_note): Update
4563 parameter to be enum insn_note; do not deal with source
4564 files.
4565 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
4566 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
4567 when possible.
4568 (merge_blocks_move_successor_nojumps): Simplify now when
4569 we don't have BLOCK notes.
4570 (try_optimize_cfg): Likewise.
4571 * cfglayout.c (skip_insns_after_block): Likewise.
4572 (record_effective_endpoints): Likewise.
4573 (duplicate_insn_chain): Likewise.
4574 * varasm.c (output_constant_pool_1): Likewise.
4575 * sched-deps.c (sched_analyze): Likewise.
4576 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
4577 Exterminate.
4578 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
4579 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
4580 (SET_INSN_DELETED): Simplify.
4581 (NOTE_LINE_NUMBER): Exterminate.
4582 (NOTE_LINE_KIND): New.
4583 (NOTE_INSN_BASIC_BLOCK_P): Update.
4584 (enum insn_note): Simplify.
4585 (GET_NOTE_INSN_NAME) Simplify.
4586 (emit_note_before, emit_note_after, emit_note): Update prototype.
4587 (squeeze_notes): Remove.
4588 * sched-int.h (NOTE_NOT_BB_P): Update.
4589 * resource.c (mark_target_live_regs): Update.
4590 * sched-rgn.c (debug_dependencies): Update.
4591 * sched-vis.c (print_insn): Update.
4592 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
4593 * config/i386/i386.c (ix86_output_function_epilogue): Update.
4594 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
4595 (TARGET_ADJUST_UNROLL_MAX): Likewise.
4596 (split_branches): Update.
4597 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
4598 4.0.0.
4599 (sh_adjust_unroll_max): Exterminate.
4600 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
4601 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
4602 (m68hc11_reorg): Likewise.
4603 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
4604 (emit_predicate_relation_info): Update.
4605 (process_for_unwind_directive): Update.
4606 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
4607 (output_call): Update.
4608 * config/pa/pa.c (output_lbranch): Update.
4609 (output_millicode_call): Update.
4610 (output_call): Update.
4611 (pa_combine_instructions): Update.
4612 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
4613 * config/bfin/bfin.c (gen_one_bundle): Update.
4614 * cfgrtl.c (can_delete_note_p): Update.
4615 (delete_insn): Update.
4616 (rtl_merge_blocks): Update.
4617 (commit_one_edge_insertion): Update.
4618 (rtl_verify_flow_info): Update.
4619 * stmt.c (expand_case): Do not call squeeze_notes.
4620
4621 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4622
4623 PR middle-end/7651
4624 PR c++/11856
4625 PR c/12963
4626 PR c/23587
4627 PR other/29694
4628 * c.opt (Wtype-limits): New.
4629 * doc/invoke.texi (Wtype-limits): Document it.
4630 (Wextra): Enabled by -Wextra.
4631 * c-opts.c (c_common_post_options): Enabled by -Wextra.
4632 * c-common.c (shorten_compare): Warn with Wtype-limits.
4633
4634 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4635
4636 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
4637 inlined function, not as a macro.
4638 (_mm_alignr_pi8): Ditto.
4639 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4640 (_mm_inserti_si64): Ditto.
4641 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4642 (_mm_extract_epi16): Ditto.
4643 (_mm_insert_epi16): Ditto.
4644 (_mm_shufflehi_epi16): Ditto.
4645 (_mm_shufflelo_epi16): Ditto.
4646 (_mm_shuffle_epi32): Ditto.
4647 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
4648 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
4649 all functions.
4650 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
4651 float constant.
4652 (_m_to_float): Use C89 compatible assignment.
4653
4654 2007-04-20 Martin Michlmayr <tbm@cyrius.com>
4655
4656 PR target/32007
4657 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
4658
4659 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4660
4661 PR middle-end/7651
4662 * doc/invoke.texi (Wreturn-type): Complete description.
4663 (Wextra): Delete item about return-type warning.
4664 * c-decl.c: Delete redundant Wextra warning.
4665
4666 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4667
4668 PR target/31585
4669 * config/i386/pmmintrin.h: Do not include xmmintrin.h
4670 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
4671 inlined function, not as a macro.
4672 (_mm_prefetch): Ditto.
4673 (_m_pextrw): Ditto.
4674 (_mm_insert_pi16): Ditto.
4675 (_m_pinsrw): Ditto.
4676 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
4677 (_m_pshufw): Ditto. Add const to __N argument.
4678 (_mm_shufle_ps): Ditto. Add const to __mask argument.
4679 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
4680 (_mm_slli_epi32): Ditto.
4681 (_mm_srli_si128): Implement as always inlined function, not as a macro.
4682 Add __inline to function declaration.
4683 (_mm_slli_si128): Ditto.
4684
4685 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
4686
4687 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
4688 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
4689 New constants.
4690 (struct fenv): New structure.
4691 (FP_HANDLE_EXCEPTIONS): New define.
4692 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
4693 (_FP_DECL_EXP): New define.
4694 (FP_INIT_ROUNDMODE): New define.
4695 (FP_ROUNDMODE): New define.
4696
4697 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4698
4699 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
4700 (Wconversion): Update description.
4701 (Wconversion-sign): New.
4702 * c.opt (Wconversion-sign): New.
4703 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
4704 means disabled for C++. Otherwise, take the status of Wconversion.
4705 * c-common.c (conversion_warning): Warn with either Wconversion or
4706 Wconversion-sign.
4707 (warnings_for_convert_and_check): Conditions are already checked by
4708 conversion_warning.
4709 (convert_and_check): Don't check warnings if the conversion failed.
4710
4711 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
4712 Anatoly Sokolov <aesok@dol.ru>
4713
4714 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
4715 avr_epilogue_uses) : Add declaration.
4716 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
4717 * config/avr/constraints.md (R): New constraint.
4718 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
4719 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
4720 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
4721 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
4722 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
4723 call_prologue_saves, epilogue_restores, return_from_epilogue,
4724 return_from_main_epilogue, return_from_interrupt_epilogue,
4725 return_from_naked_epilogue, prologue, epilogue): New patterns.
4726 (jump): Handle symbol reference.
4727 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
4728 avr_output_function_prologue, avr_output_function_epilogue): Remove
4729 functions.
4730 (avr_init_machine_status, expand_prologue, expand_epilogue,
4731 avr_asm_function_end_prologue, avr_epilogue_uses,
4732 avr_asm_function_begin_epilogue): New functions.
4733 (prologue_size, epilogue_size, jump_tables_size): Remove global
4734 variables.
4735 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
4736 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
4737 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
4738 (avr_override_options): Initialise init_machine_status.
4739 (output_movhi): Handle all stack pointer loads.
4740 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
4741 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
4742 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
4743 (EPILOGUE_USES) Redefine.
4744 (machine_function) Declare.
4745
4746 2007-05-19 Richard Sandiford <richard@codesourcery.com>
4747
4748 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
4749 Use a single return statement.
4750
4751 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4752
4753 PR middle-end/30250
4754 * builtins.c (do_mpfr_lgamma_r): New.
4755 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
4756 * tree.h (CASE_FLT_FN_REENT): New.
4757
4758 2007-05-18 Geoffrey Keating <geoffk@apple.com>
4759
4760 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
4761 (output_die): Use 'unsigned long' with %x.
4762 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
4763 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
4764 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
4765
4766 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
4767
4768 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
4769
4770 PR target/31989
4771 PR target/31681
4772 PR target/31666
4773 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
4774 true if function has no argument.
4775
4776 2007-05-18 DJ Delorie <dj@redhat.com>
4777
4778 * config/mips/mips.c (mips_offset_within_alignment_p): New.
4779 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
4780
4781 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4782
4783 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
4784 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
4785 count_trailing_zeros.
4786 (__i386__): Implement count_leading_zeros using __builtin_clz().
4787 Implement count_trailing_zeros usign __builtin_ctz().
4788
4789 2007-05-18 Richard Sandiford <richard@codesourcery.com>
4790
4791 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
4792
4793 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4794
4795 PR middle-end/31344
4796 * expr.c (emit_move_change_mode): Change mode of push operands here.
4797
4798 2007-05-17 Ian Lance Taylor <iant@google.com>
4799
4800 PR tree-optimization/31953
4801 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
4802 Change all callers.
4803 (set_value_range_to_null): Call set_value_range_to_value.
4804 (extract_range_from_comparison): Likewise.
4805
4806 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4807
4808 * toplev.c (print_version): Output GMP/MPFR version info.
4809
4810 * builtins.c (CASE_MATHFN_REENT): New macro.
4811 (mathfn_built_in): Use it.
4812 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
4813 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
4814 BUILT_IN_LGAMMAL_R): New.
4815 * doc/extend.texi: Document new builtins.
4816
4817 PR middle-end/31796
4818 * builtins.c (do_mpfr_remquo): New.
4819 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
4820 (fold_builtin_3): Handle BUILT_IN_REMQUO.
4821
4822 PR middle-end/30251
4823 * builtins.c (fold_builtin_1): Handle y0, y1.
4824 (fold_builtin_2): Handle yn.
4825
4826 PR middle-end/30251
4827 * builtins.c (do_mpfr_bessel_n): New.
4828 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
4829 (fold_builtin_2): Handle BUILT_IN_JN.
4830
4831 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
4832
4833 PR target/31965
4834 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
4835 TYPE_PRECISION (intmax_type_node).
4836
4837 2007-05-17 Steve Ellcey <sje@cup.hp.com>
4838
4839 PR target/31850
4840 * reload.c (subst_reloads): Remove checking.
4841
4842 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4843
4844 PR rtl-optimization/31691
4845 * combine.c (simplify_set): Build a new src pattern instead of
4846 substituting its operands in the COMPARE case.
4847
4848 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4849
4850 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
4851 (execute_vrp): Preserve loops through jump threading.
4852 * tree-ssa-threadupdate.c (thread_single_edge,
4853 dbds_continue_enumeration_p, determine_bb_domination_status,
4854 thread_through_loop_header): New functions.
4855 (create_edge_and_update_destination_phis,
4856 create_edge_and_update_destination_phis): Set loops for the new blocks.
4857 (prune_undesirable_thread_requests): Removed.
4858 (redirect_edges): Do not pretend that redirect_edge_and_branch can
4859 create new blocks.
4860 (thread_block): Do not call prune_undesirable_thread_requests.
4861 Update loops.
4862 (mark_threaded_blocks): Select edges to thread here.
4863 (thread_through_all_blocks): Take may_peel_loop_headers argument.
4864 Thread edges through loop headers independently.
4865 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
4866 * tree-pass.h (TODO_mark_first_instance): New.
4867 (first_pass_instance): Declare.
4868 * cfghooks.c (duplicate_block): Put the block to the original loop
4869 if copy is not specified.
4870 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
4871 jump threading. Pass may_peel_loop_headers to
4872 thread_through_all_blocks according to first_pass_instance.
4873 * cfgloop.h (create_preheader): Declare.
4874 * tree-flow.h (thread_through_all_blocks): Declaration changed.
4875 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
4876 * passes.c (first_pass_instance): New variable.
4877 (next_pass_1): Set TODO_mark_first_instance.
4878 (execute_todo): Set first_pass_instance.
4879
4880 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
4881
4882 PR tree-optimization/24659
4883 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
4884 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
4885 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
4886 OTI_vec_pack_ufix_trunc.
4887 (vec_unpacks_float_hi_optab): Define new macro.
4888 (vec_unpacks_float_lo_optab): Ditto.
4889 (vec_unpacku_float_hi_optab): Ditto.
4890 (vec_unpacku_float_lo_optab): Ditto.
4891 (vec_pack_sfix_trunc_optab): Ditto.
4892 (vec_pack_ufix_trunc_optab): Ditto.
4893 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
4894 and vec_pack_[s|u]fix_trunc_optab using
4895 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
4896 * tree-vectorizer.c (supportable_widening_operation): Handle
4897 FLOAT_EXPR and CONVERT_EXPR. Update comment.
4898 (supportable_narrowing_operation): New function.
4899 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
4900 * tree-vect-transform.c (vectorizable_conversion): Handle
4901 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
4902 (vect_gen_widened_results_half): Move before vectorizable_conversion.
4903 (vectorizable_type_demotion): Call supportable_narrowing_operation()
4904 to check for target support.
4905 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
4906 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
4907 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
4908 for VEC_PACK_FIX_TRUNC_EXPR.
4909 (expand_binop): Special case mode of the result for
4910 vec_pack_[u|s]fix_trunc_optab.
4911 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
4912 vec_pack_[u|s]fix_trunc_optab.
4913
4914 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
4915 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
4916 * tree-pretty-print.c (dump_generic_node): Handle
4917 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
4918 VEC_PACK_FIX_TRUNC_EXPR.
4919 (op_prio): Ditto.
4920 * expr.c (expand_expr_real_1): Ditto.
4921 * tree-inline.c (estimate_num_insns_1): Ditto.
4922 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
4923
4924 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
4925 (vec_unpacks_float_lo_v8hi): Ditto.
4926 (vec_unpacku_float_hi_v8hi): Ditto.
4927 (vec_unpacku_float_lo_v8hi): Ditto.
4928 (vec_unpacks_float_hi_v4si): Ditto.
4929 (vec_unpacks_float_lo_v4si): Ditto.
4930 (vec_pack_sfix_trunc_v2df): Ditto.
4931
4932 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
4933 Document.
4934 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
4935 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
4936 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
4937 [vec_pack_ufix_trunc]: Ditto.
4938 [vec_unpacks_float_hi]: Ditto.
4939 [vec_unpacks_float_lo]: Ditto.
4940 [vec_unpacku_float_hi]: Ditto.
4941 [vec_unpacku_float_lo]: Ditto.
4942
4943 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
4944
4945 * soft-fp/README: Update for new files.
4946 * soft-fp/floattisf.c: New file.
4947 * soft-fp/floattidf.c: New file.
4948 * soft-fp/floattitf.c: New file.
4949 * soft-fp/floatuntisf.c: New file.
4950 * soft-fp/floatuntidf.c: New file.
4951 * soft-fp/floatuntitf.c: New file.
4952 * soft-fp/fixsfti.c: New file.
4953 * soft-fp/fixdfti.c: New file.
4954 * soft-fp/fixtfti.c: New file.
4955 * soft-fp/fixunssfti.c: New file.
4956 * soft-fp/fixunsdfti.c: New file.
4957 * soft-fp/fixunstfti.c: New file.
4958 * soft-fp/extendxftf.c: New file.
4959 * soft-fp/trunctfxf.c: New file.
4960
4961 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
4962 (__trunctfxf2): Ditto.
4963
4964 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
4965 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
4966 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
4967 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
4968 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
4969 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
4970
4971 * config/i386/t-fprules-softfp64: New file.
4972 * config/i386/sfp-machine.h: New file.
4973 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
4974 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
4975 and soft-fp/t-softfp to tmake_file.
4976 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
4977 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
4978
4979 * config/i386/t-linux64 (softfp_wrap_start): New.
4980 (softfp_wrap_end): New.
4981 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
4982 supported for TARGET_64BIT.
4983
4984 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
4985
4986 * c-common.c (c_common_signed_or_unsigned_type): Emulate
4987 c_common_unsigned_type behavior.
4988
4989 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
4990
4991 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
4992 calls as pure.
4993
4994 2007-05-16 Eric Christopher <echristo@apple.com>
4995
4996 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
4997 saving after stack push. Set sp_offset whenever we push.
4998 (rs6000_emit_epilogue): Move altivec register restore before
4999 stack push.
5000
5001 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5002
5003 * configure.ac: Allow sysroots to be relocated under $prefix as
5004 well as $exec_prefix.
5005 * configure: Regenerate.
5006
5007 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5008
5009 Revert:
5010
5011 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5012
5013 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5014 (gcc_tooldir): Likewise.
5015 * configure: Regenerate.
5016 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5017 old configure.ac gcc_tooldir setting.
5018 (prefix_to_exec_prefix): New variable.
5019 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5020 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5021
5022 2007-05-14 Janis Johnson <janis187@us.ibm.com>
5023
5024 * c-typeck.c (build_binary_op): Return early for error.
5025
5026 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5027
5028 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
5029 struct nb_iter_bound.
5030 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
5031 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
5032 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
5033 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
5034 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
5035 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
5036 (del_scev_info): Use ggc_free.
5037 (scev_initialize): Allocate scalar_evolution_info in gc memory.
5038 * loop-init.c: Include ggc.h.
5039 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
5040 (loop_optimizer_finalize): Use ggc_free.
5041 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
5042 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
5043 pass_iv_optimize): Add TODO_ggc_collect.
5044 * function.h (struct function): Remove skip marker from x_current_loops.
5045 * cfgloop.c: Include ggc.h.
5046 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
5047 memory.
5048 (establish_preds): Vector superloops is gc allocated.
5049 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
5050 loop->exits list.
5051 (flow_loops_find): Vector larray is gc allocated.
5052 (loop_exit_free): Use ggc_free.
5053 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
5054 that head of exits list is now not a part of struct loop.
5055 (record_loop_exits): Allocate exits table in gc memory.
5056 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
5057 head of exits list is now not a part of struct loop.
5058 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
5059 struct loop_exit): Add GTY marker.
5060 (struct loop): Add GTY marker. Make superloops vector gc allocated.
5061 Add skip marker to aux field. Make head of exits list a separate
5062 object.
5063 (struct loops): Add GTY marker. Make larray vector gc allocated.
5064 Add param marker to exits table.
5065 (get_loops): Type changed.
5066 * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
5067 dependency.
5068 (cfgloop.o, loop-init.o): Add ggc.h dependency.
5069 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
5070 * basic-block.h (struct basic_block_def): Remove skip marker from
5071 loop_father field.
5072
5073 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
5074
5075 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
5076 of 0 in the call to expand_expr().
5077 (expand_builtin_mathfn_3): Ditto.
5078 (expand_builtin_interclass_mathfn): Ditto.
5079 (expand_builtin_cexpi): Ditto.
5080 (expand_builtin_int_roundingfn): Ditto.
5081 (expand_builtin_int_roundingfn_2): Ditto.
5082 (expand_builtin_pow): Ditto.
5083 (expand_builtin_powi): Ditto.
5084 (expand_builtin_bswap): Ditto.
5085 (expand_builtin_unop): Ditto.
5086 (expand_builtin_fabs): Ditto.
5087 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
5088 the call to expand_expr().
5089 (expand_builtin_sync_operation): Ditto.
5090 (expand_builtin_compare_and_swap): Ditto.
5091 (expand_builtin_lock_test_and_set): Ditto.
5092 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
5093 instead of 0 in the call to expand_expr().
5094 (expand_builtin_extract_return_addr): Ditto.
5095 (expand_builtin_eh_return): Ditto.
5096 (expand_eh_return): Ditto.
5097 * explow.c (expr_size): Ditto.
5098 * expr.c (optimize_bitfield_assignment_op): Ditto.
5099 (expand_assignement): Ditto.
5100 (store_expr): Ditto.
5101 (store_field): Ditto.
5102 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
5103 the call to expand_expr().
5104 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
5105 in the call to expand_expr().
5106 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
5107 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
5108 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
5109 of expand_expr().
5110 * optabs.c (expand_vec_shift_expr): Ditto.
5111 (expand_vec_cond_expr): Ditto.
5112 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
5113 call to expand_expr().
5114 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
5115 in the call to expand_expr().
5116
5117 2007-05-14 Dave Korn <dave.korn@artimi.com>
5118
5119 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
5120
5121 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
5122
5123 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
5124 instead of c_common_unsigned_type.
5125 (c_common_unsigned_type): Remove.
5126 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
5127 c_common_unsigned_type.
5128 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
5129 c_common_unsigned_type.
5130 * c-common.h (c_common_unsigned_type): Remove.
5131 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
5132 c_common_unsigned_type.
5133 * c-format.c (check_format_types): Use unsigned_type_for instead of
5134 c_common_unsigned_type.
5135 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5136 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
5137 c_common_unsigned_type.
5138 * convert.c (convert_to_integer): Use unsigned_type_for instead of
5139 lang_hooks.types.unsigned_type.
5140 * expmed.c (make_tree): Use unsigned_type_for instead of
5141 lang_hooks.types.unsigned_type.
5142 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
5143 lang_hooks.types.unsigned_type.
5144 (build_range_check): Likewise.
5145 (fold_unary): Likewise.
5146 (fold_binary): Likewise.
5147 (fold_ternary): Likewise.
5148 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5149 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
5150 * tree.c (get_unsigned_type): New.
5151 (unsigned_type_for): Use get_unsigned_type instead of
5152 lang_hooks.types.unsigned_type.
5153
5154 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
5155
5156 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
5157 to m68k_get_function_kind. Update its prototype.
5158 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
5159 interrupt_thread.
5160 (m68k_interrupt_function_p): Return enum m68k_function_type
5161 instead of bool. Rename to m68k_get_function_kind.
5162 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
5163 target is not fido.
5164 (m68k_compute_frame_layout): Don't mark any register for save
5165 if an interrupt_thread attribute is specified.
5166 (m68k_hard_regno_rename_ok): Update a use of
5167 m68k_interrupt_function_p.
5168 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
5169 m68k_interrupt_function_p.
5170 (m68k_function_type): New.
5171 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
5172 for a function with an interrupt_thread attribute.
5173 * doc/extend.texi: Document the interrupt_thread attribute.
5174
5175 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
5176
5177 Fix PR tree-optimization/31911
5178 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5179 if they didn't change the expression.
5180
5181 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
5182
5183 * tree-scalar-evolution.c (resolve_mixers): Exported.
5184 * tree-scalar-evolution.h (resolve_mixers): Declare.
5185 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
5186 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5187 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
5188 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
5189 init_array_ref, init_pointer_ref, analyze_indirect_ref,
5190 strip_conversion, analyze_offset_expr, address_analysis,
5191 object_analysis, analyze_offset): Removed.
5192 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
5193 split_constant_offset, canonicalize_base_object_address,
5194 object_address_invariant_in_loop_p, disjoint_objects_p,
5195 dr_may_alias_p, dr_address_invariant_p): New functions.
5196 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
5197 and dr_analyze_alias.
5198 (initialize_data_dependence_relation): Use dr_may_alias_p
5199 and object_address_invariant_in_loop_p.
5200 (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
5201 is chrec_dont_know.
5202 (find_data_references_in_stmt): Restrict the analysis of data references
5203 to the given loop nest.
5204 (find_data_references_in_loop): Made static. Pass loop nest to
5205 find_data_references_in_stmt.
5206 (compute_data_dependences_for_loop): Use DR_VOPS.
5207 (free_data_ref): Free DR_VOPS.
5208 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
5209 (struct innermost_loop_behavior): ... new.
5210 (struct base_object_info): Replaced by ...
5211 (struct indices): ... new.
5212 (struct dr_alias): New.
5213 (enum data_ref_type): Removed.
5214 (struct data_reference): Consist of struct innermost_loop_behavior,
5215 struct indices and struct dr_alias.
5216 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
5217 (DR_MEMTAG): Renamed to ...
5218 (DR_SYMBOL_TAG): ... this.
5219 (find_data_references_in_loop): Declaration removed.
5220 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
5221 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
5222 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
5223 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
5224
5225 2007-05-13 Revital Eres <eres@il.ibm.com>
5226
5227 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
5228 which walks virtual def-use chains to find redundant stores.
5229 (dse_optimize_stmt): Call it.
5230
5231 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5232
5233 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
5234 * passes.c (init_optimization_passes): Move pass_jump_bypass
5235 after loop2.
5236
5237 * basic-block.h (bb_has_eh_pred): Fix style issue.
5238
5239 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5240
5241 PR rtl-optimization/31848
5242 * loop-invariant.c (move_invariant_reg): If we move an insn
5243 with a REG_EQUAL note, and that insn is not always executed,
5244 remove the REG_EQUAL note.
5245
5246 2007-05-12 Richard Guenther <rguenther@suse.de>
5247
5248 PR tree-optimization/31797
5249 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
5250 propagate into a stmt that has volatile ops.
5251
5252 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5253
5254 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5255 (gcc_tooldir): Likewise.
5256 * configure: Regenerate.
5257 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5258 old configure.ac gcc_tooldir setting.
5259 (prefix_to_exec_prefix): New variable.
5260 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5261 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5262
5263 2007-05-11 Silvius Rus <rus@google.com>
5264
5265 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
5266 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
5267 * c-common.h (strict_aliasing_warning): Change return type.
5268 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
5269 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
5270 (build_c_cast): Condition call to strict_aliasing_warning.
5271 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
5272 * flags.h (set_Wstrict_aliasing): Declare.
5273 * opts.c (set_Wstrict_alising): Define, add call to.
5274 * tree-flow.h (strict_aliasing_warning_backend): Declare.
5275 * tree-ssa-alias-warnings.c: New file.
5276 * tree-ssa-alias.c (compute_may_aliases): Add call to
5277 strict_aliasing_warning_backend.
5278
5279 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
5280
5281 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
5282 Use loop_depth and loop_outer accessor functions.
5283 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
5284 determine_invariantness_stmt, move_computations_stmt): Ditto.
5285 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
5286 add_loop, loopify, unloop, fix_loop_structure): Ditto.
5287 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
5288 * tree-scalar-evolution.c (interpret_loop_phi,
5289 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
5290 instantiate_parameters_1, scev_const_prop): Ditto.
5291 * cfghooks.c (make_forwarder_block): Ditto.
5292 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
5293 * modulo-sched.c (loop_canon_p): Ditto.
5294 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
5295 slpeel_can_duplicate_loop_p): Ditto.
5296 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
5297 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
5298 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
5299 cancel_loop, verify_loop_structure): Ditto.
5300 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
5301 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
5302 superloops vector instead of "pred" array.
5303 (establish_preds): Take father loop as an argument. Initialize the
5304 superloops vector.
5305 (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
5306 initialize loop->outer.
5307 (flow_loop_tree_node_remove): Truncate the superloops vector.
5308 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
5309 "pred" merged to "superloops" vector.
5310 (loop_depth, loop_outer): New.
5311 (fel_init): Use loop_outer.
5312
5313 2007-05-11 Jan Hubicka <jh@suse.cz>
5314
5315 * cgraphunit.c: Include gt-cgraphunit.h
5316 (static_ctors, static_dtors): New static vars.
5317 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
5318 based on implementation in c-common.c
5319 (cgraph_finalize_function): Call record_cdtor_fn.
5320 (cgraph_optimize): Call cgraph_build_cdtor_fns.
5321 * decl.c (finish_function): Do not call c_record_cdtor_fn.
5322 (c_write_global_declarations): Do not call c_build_cdtor_fns.
5323 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
5324 build_cdtor, c_build_cdtor_fns): Remove.
5325 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
5326 c_build_cdtor_fns): Remove prototype.
5327
5328 2007-05-11 Paolo Carlini <pcarlini@suse.de>
5329
5330 PR other/31852
5331 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
5332 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
5333 * builtins.c (fold_builtin_memchr): New.
5334 (expand_builtin_memchr): Call the latter.
5335 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
5336 * doc/extend.texi ([Other built-in functions provided by GCC]):
5337 Document memchr.
5338
5339 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
5340
5341 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
5342 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
5343 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
5344 PFPO_OP1_TYPE_SHIFT): Constants added.
5345 (DFP_ALL): Mode macro defined.
5346 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
5347 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
5348 Insn definitions added.
5349 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
5350 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
5351 Expanders added.
5352
5353 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
5354
5355 PR tree-optimization/31885
5356 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
5357 to be undetermined.
5358 (automatically_generated_chrec_p): Return false for NULL.
5359
5360 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5361
5362 * config/bfin/bfin.h (MOVE_RATIO): Define.
5363
5364 2007-05-10 Richard Sandiford <richard@codesourcery.com>
5365
5366 * config.gcc (sparc-wrs-vxworks): New target.
5367 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
5368 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
5369 * config/sparc/sparc.h: Include vxworks-dummy.h.
5370 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
5371 include LABEL_REFs too.
5372 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
5373 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
5374 VxWorks.
5375 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
5376 on VxWorks.
5377 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
5378 (sparc_emit_call_insn): New function.
5379 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
5380 functions when generating VxWorks PIC.
5381 * config/sparc/sparc.md (vxworks_load_got): New pattern.
5382 (call, call_value): Use sparc_emit_call_insn instead of
5383 emit_call_insn.
5384
5385 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5386
5387 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
5388
5389 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5390
5391 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
5392 for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double
5393 instead of operand_subword.
5394
5395 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5396
5397 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
5398 * config/bfin/bfin.c (bfin_local_alignment): New function.
5399 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
5400
5401 2007-05-08 Chao-ying Fu <fu@mips.com>
5402
5403 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
5404 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
5405 (smsub_widen_optab, umsub_widen_optab): Define.
5406 * optabs.c (init_optabs): Initialize smsub_widen_optab and
5407 umsub_widen_optab.
5408 * genopinit.c (optabs): Fill in smsub_widen_optab and
5409 umsub_widen_optab.
5410 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
5411 and umsub_widen_optab to implement multiply-subtract sequences.
5412 * config/mips/mips.md (*msac<u>_di): Rename to...
5413 (<u>msubsidi4): ...this. Extend condition to include
5414 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
5415 of operand 0 to "ka" and use the three-operand form of msub<u>
5416 for TARGET_DSPR2.
5417 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
5418 to define_expands.
5419
5420 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
5421
5422 PR rtl-optimization/28011
5423 * reload.c (push_reload): Set dont_share if IN appears in OUT
5424 also when IN is a PLUS rtx.
5425 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
5426 are same PLUS rtx.
5427
5428 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
5429
5430 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
5431 call unshare_all_decls.
5432 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
5433 (unshare_all_decls): Remove.
5434
5435 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
5436
5437 PR 31847
5438 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
5439 dumps.
5440
5441 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
5442 Nigel Stephens <nigel@mips.com>
5443
5444 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
5445 Update comments and all uses.
5446 (MIN_FPRS_PER_FMT): Define.
5447 * config/mips/mips.c (function_arg): Fix to correctly handle
5448 the -mips32r2 -mfp64 -mabi=32 case.
5449 (override_options): Enable use of odd-numbered registers for
5450 SFmode values on MIPS32.
5451 (mips_save_reg_p): Save whole floating-point register pair if
5452 either half is used.
5453 (compute_frame_size): Fix comment.
5454
5455 2007-05-08 Jie Zhang <jie.zhang@analog.com>
5456
5457 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
5458 argument of type bool.
5459 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
5460 argument. Safely select temporary P register according to it.
5461 (do_link): Change call site of add_to_reg accordingly.
5462 (do_unlink): Add epilogue_p as a fourth argument and pass it
5463 to add_to_reg.
5464 (expand_interrupt_handler_epilogue): Change call of do_unlink
5465 accordingly.
5466 (bfin_expand_prologue): Add a third argument sibcall_p.
5467 * config/bfin/bfin.md (epilogue): Change call of
5468 bfin_expand_epilogue accordingly.
5469 (sibcall_epilogue): Likewise.
5470 (eh_return_internal): Likewise.
5471
5472 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
5473 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
5474 * config/bfin/bfin.c (bfin_handle_option): Handle
5475 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
5476 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
5477 Support bf534, bf536 and bf561.
5478 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
5479
5480 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
5481
5482 PR target/31854
5483 * config/i386/i386.c (ix86_function_regparm): Process local
5484 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
5485
5486 2007-05-07 Mike Stump <mrs@apple.com>
5487
5488 * doc/invoke.texi (Warning Options): Document that -Wempty-body
5489 also checks for and while statements in C++.
5490
5491 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
5492
5493 * gcc.c (at_file_supplied): New variable.
5494 (main): Set it if we expanded argv.
5495 (do_spec_1): Pass an @-file to the linker if we were called with
5496 an @-file argument and HAVE_GNU_LD.
5497 * collect2.c (at_file_supplied): New variable.
5498 (response_file): New variable.
5499 (collect_exit): Unlink response_file if necessary.
5500 (handler): Likewise.
5501 (do_wait): Likewise.
5502 (main): Set at_file_supplied if we expanded argv.
5503 (collect_execute): Pass an @-file to subprocesses if we were called
5504 with an @-file argument.
5505 * configure.ac: Add define for HAVE_GNU_LD.
5506 * configure: Regenerate.
5507 * config.in: Regenerate.
5508
5509 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
5510
5511 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
5512 operand to HI mode.
5513 (mulsi3): New.
5514 (divsi3): New.
5515 (udivsi3): New.
5516
5517 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
5518
5519 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5520 (TARGET_ENCODE_SECTION_INFO): Re-define.
5521 (m32c_encode_section_info): New
5522 (function_vector_handler): New
5523 (current_function_special_page_vector): New
5524 (m32c_special_page_vector_p): New.
5525 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
5526 Prototype.
5527 * config/m32c/jump.md: Added instruction JSRS for functions
5528 with attribute "function_vector".
5529 * doc/extend.texi (function_vector): Added description
5530 for M16C, M32C targets.
5531
5532 2007-05-07 DJ Delorie <dj@redhat.com>
5533
5534 PR 31794
5535 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
5536 ashrpsi3, lshrpsi3): Update shift count constraint.
5537
5538 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
5539 Nathan Froyd <froydnj@codesourcery.com>
5540
5541 PR 22133
5542 * c-incpath.c (add_path): Strip trailing path separators.
5543
5544 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
5545
5546 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
5547 Free dominance info before purging EH edges.
5548 (eliminate_degenerate_phis): Likewise.
5549 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
5550
5551 2007-05-07 Jan Hubicka <jh@suse.cz>
5552
5553 * gimplify.c (gimplify_expr): Do not crash when folding
5554 (void *)(int)&a + 4.
5555
5556 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5557
5558 PR driver/31694
5559 * c-opts.c (lang_fortran): Make it non static.
5560 * c-common.h (lang_fortran): New prototype.
5561 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
5562 -lang-fortran option was passed by the driver.
5563
5564 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
5565
5566 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
5567 of ASSERT_CHECKING. Tweak message.
5568
5569 2007-05-06 Revital Eres <eres@il.ibm.com>
5570
5571 PR 30957
5572 * loop-unroll.c (insert_var_expansion_initialization):
5573 Initialize the expansions with -zero instead of +zero.
5574
5575 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
5576
5577 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
5578 into pic and non-pic versions. Mark r19 as used for
5579 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
5580 for tgd_load, tld_load and tie_load .
5581 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
5582 version of tgd_load, tld_load and tie_load depending on the
5583 value of flag_pic.
5584
5585 2007-05-04 Ulrich Drepper <drepper@redhat.com>
5586 Jakub Jelinek <jakub@redhat.com>
5587
5588 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
5589 (__do_global_dtors_aux): Use more paranoid loop to run
5590 destructors if HIDDEN_DTOR_LIST_END.
5591 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
5592
5593 2007-05-04 Jakub Jelinek <jakub@redhat.com>
5594
5595 * varasm.c (align_variable): Don't increase alignment for
5596 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
5597 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
5598
5599 2007-05-04 Josh Conner <jconner@apple.com>
5600
5601 * basic-block.h (cdi_direction): Assign values to all enumeration
5602 constants.
5603 (dom_computed): Remove.
5604 (dom_info_state): New.
5605 (set_dom_info_availability): New.
5606 * tree-ssa-loop-im.c (determine_invariantness): Initialize
5607 walk_data.dom_direction.
5608 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
5609 instead of dom_computed[].
5610 (split_edge): Likewise.
5611 (create_basic_block): Likewise.
5612 (merge_blocks): Likewise.
5613 * ifcvt.c (find_if_header): Likewise.
5614 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
5615 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5616 * tree-ssa.c (verify_ssa): Likewise.
5617 * tree-cfg.c (tree_verify_flow_info): Likewise.
5618 (remove_edge_and_dominated_blocks): Likewise.
5619 * dominance.c (dom_computed): Make static.
5620 (calc_dfs_tree_nonrec): Change third param to a bool.
5621 (calc_dfs_tree): Change second param to a bool.
5622 (calc_idioms): Change second param to a bool. Use
5623 dom_convert_dir_to_idx.
5624 (init_dom_info): Validate dir before using.
5625 (dom_convert_dir_to_idx): New.
5626 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
5627 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
5628 (free_dominance_info): Use dom_convert_dir_to_idx.
5629 (get_immediate_dominator): Likewise.
5630 (set_immediate_dominator): Likewise.
5631 (get_dominated_by): Likewise.
5632 (redirect_immediate_dominators): Likewise.
5633 (nearest_common_denominator): Likewise.
5634 (dominated_by_p): Likewise.
5635 (bb_dom_dfs_in): Likewise.
5636 (bb_dom_dfs_out): Likewise.
5637 (recount_dominator): Likewise.
5638 (iterate_fix_dominators): Likewise.
5639 (add_to_dominance_info): Likewise.
5640 (delete_from_dominance_info): Likewise.
5641 (first_dom_son): Likewise.
5642 (next_dom_son): Likewise.
5643 (dom_info_available_p): Likewise.
5644 (dom_info_state): New.
5645 (set_dom_info_availability): New.
5646
5647 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5648
5649 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
5650 Expander removed.
5651 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
5652
5653 2007-05-04 Bob Wilson <bob.wilson@acm.org>
5654
5655 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
5656 (subdi3, subdi_carry): Delete.
5657
5658 2007-05-04 Jan Hubicka <jh@suse.cz>
5659 Richard Guenther <rguenther@suse.de>
5660
5661 * opts.c (decode_options): Do not fiddle with inlining
5662 parameters in case of optimizing for size.
5663 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
5664 for size do nothing.
5665 (cgraph_decide_inlining_of_small_function): When optimizing for
5666 size never inline functions increasing caller size.
5667 (cgraph_early_inlining): Inline for size when optimizing for size.
5668
5669 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
5670
5671 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
5672 logical operations piecewise.
5673 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
5674 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
5675 subdi_sesidi_di): Delete.
5676 (add_with_carry): Produce carry in CC instead of a DREG to shorten
5677 the generated sequence. Allow three-reg add in constraints. Rewrite
5678 the rtl expression for carry to avoid zero_extend of a constant.
5679 (sub_with_carry): New pattern.
5680 (adddi3, subdi3): Change into define_expand. For subtract, generate a
5681 different sequence not involving jumps.
5682 (notbi): Now a named pattern.
5683
5684 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
5685
5686 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
5687 Add the note about a significant loss of accuracy of some
5688 mathematical routines when these options are used.
5689
5690 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5691
5692 * haifa-sched.c (rtx_vec_t): New typedef.
5693 (contributes_to_priority_p): Extract piece of priority () into new
5694 static function.
5695 (priority): Use the function. Add assertion.
5696 (rank_for_schedule, set_priorities): Add assertion to check that
5697 insn's priority is initialized.
5698 (clear_priorities, calc_priorities): Change signature. Make it update
5699 all relevant insns. Update all callers ('add_to_speculative_block ()'
5700 and 'create_block_check_twin ()').
5701 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
5702 Add new field 'priority_status'.
5703 (INSN_PRIORITY_STATUS): New macro.
5704 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
5705
5706 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5707
5708 * sched-ebb.c (debug_ebb_dependencies): New static function.
5709 (init_ready_list): Use it.
5710
5711 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
5712 with changed signature and 'debug_rgn_dependencies ()'.
5713 (debug_rgn_dependencies): New static function.
5714 (init_ready_list): Use it.
5715
5716 * sched-int.h (debug_dependencies): Declare.
5717
5718 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5719
5720 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
5721
5722 2007-05-04 Dirk Mueller <dmueller@suse.de>
5723
5724 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
5725
5726 2007-05-03 Jan Hubicka <jh@suse.cz>
5727
5728 * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
5729 for pointer type in more cases than before.
5730
5731 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
5732
5733 * tree-object-size.c (plus_expr_object_size): When operand size is
5734 unknown, return unknown.
5735
5736 2007-05-03 Dirk Mueller <dmueller@suse.de>
5737
5738 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
5739
5740 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
5741 options.
5742
5743 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
5744
5745 2007-05-03 Janis Johnson <janis187@us.ibm.com>
5746
5747 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
5748
5749 2007-05-03 Joseph Myers <joseph@codesourcery.com>
5750
5751 * config/soft-fp/double.h, config/soft-fp/extended.h,
5752 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
5753 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
5754 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
5755 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
5756 glibc CVS.
5757
5758 2007-05-03 Ian Lance Taylor <iant@google.com>
5759
5760 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
5761 MASK_PPC_GFXOPT for 8540 or 8548.
5762
5763 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5764
5765 * tree-vect-transform.c (vect_update_inits_of_drs): Use
5766 vect_print_dump_info() to output debug information.
5767
5768 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5769
5770 PR target/31768
5771 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
5772 operands of size 2 when operand is not MEM_P.
5773
5774 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5775
5776 PR tree-optimization/30565
5777 * lambda-code.c (perfect_nestify): Fix updating of dominators.
5778
5779 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
5780
5781 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
5782 (umulsi3_highpart): Use them.
5783 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
5784 for final accumulator to D regisster tranfser.
5785
5786 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
5787
5788 PR tree-optimization/31699
5789 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
5790 code.
5791 (vect_enhance_data_refs_alignment): Compute peel amount using
5792 TYPE_VECTOR_SUBPARTS instead of vf.
5793 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
5794
5795 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
5796
5797 PR bootstrap/31776
5798 * system.h: Remove inclusion of double-int.h
5799 * tree.h: Include double-int.h
5800 * gengtype.c: Likewise
5801 * cfgloop.h: Likewise
5802 * Makefile.in: Adjust dependencies on double-int.h
5803
5804 2007-05-02 Eric Christopher <echristo@apple.com>
5805
5806 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
5807 -shared to -Zdynamiclib.
5808
5809 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
5810
5811 PR c++/31663
5812 * c-common.c (strip_pointer_or_array_types): New function.
5813 * c-common.h (strip_pointer_or_array_types): New function declaration.
5814
5815 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5816
5817 PR tree-optimization/31771
5818 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
5819
5820 2007-05-02 Paul Brook <paul@codesourcery.com>
5821
5822 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
5823
5824 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5825
5826 PR middle-end/29715
5827 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
5828 transformation.
5829
5830 2007-05-02 Nick Clifton <nickc@redhat.com>
5831
5832 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
5833
5834 2007-05-02 Richard Guenther <rguenther@suse.de>
5835
5836 PR tree-optimization/31146
5837 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
5838 argument, single_use_p. If we have a single use that is
5839 a conversion to the definition rhs type, propagate that rhs.
5840 (forward_propagate_addr_expr): Pass single_use_p argument
5841 to forward_propagate_addr_expr_1.
5842
5843 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
5844
5845 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
5846 variable.
5847
5848 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5849
5850 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
5851 'AMD Family 10 core'.
5852
5853 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5854
5855 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
5856 and athlon64-sse3 as improved versions of k8, opteron and athlon64
5857 with SSE3 instruction set support.
5858 * doc/invoke.texi: Likewise.
5859
5860 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5861
5862 * config/i386/i386.c (override_options): Tuning 32-byte loop
5863 alignment for amdfam10 architecture. Increasing the max loop
5864 alignment to 24 bytes.
5865
5866 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
5867
5868 * config/m68k/constraints.md: New.
5869 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
5870 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
5871 EXTRA_CONSTRAINT): Remove.
5872 * config/m68k/m68k.md: Include constraints.md.
5873 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
5874
5875 2007-05-01 Ian Lance Taylor <iant@google.com>
5876
5877 PR tree-optimization/31739
5878 * tree-vrp.c (vrp_val_is_max): New static function.
5879 (vrp_val_is_min): New static function.
5880 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
5881 copying the node.
5882 (set_value_range): Use vrp_val_is_{max,min}.
5883 (extract_range_from_assert): Likewise.
5884 (extract_range_from_binary_expr): Likewise.
5885 (extract_range_from_unary_expr): Likewise.
5886 (dump_value_range, vrp_meet): Likewise.
5887 (vrp_visit_phi_node): Likewise.
5888 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
5889
5890 2007-05-01 Mark Mitchell <mark@codesourcery.com>
5891
5892 * config/i386/gmon-sol2.c (size_t): New type.
5893 (intptr_t): Likewise.
5894 (s_textsize): Declare as size_t.
5895 (sbrk): Declare.
5896 (monstartup): Use size_t for sizes.
5897 (_mcount): Save and restore registers.
5898 (internal_mcount): Pass 0 as the first argument to monstartup
5899 in 64-bit mode.
5900 (moncontrol): Convert pointer to appropriately sized integer
5901 before passing to profil.
5902
5903 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5904
5905 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
5906 __NO_FPRS__, not just if _SOFT_DOUBLE.
5907 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
5908 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
5909 also for E500 double.
5910 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
5911 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
5912 && !TARGET_FPRS).
5913
5914 2007-05-01 Richard Guenther <rguenther@suse.de>
5915
5916 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
5917 is NULL.
5918
5919 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5920
5921 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
5922
5923 2007-05-01 Jan Hubicka <jh@suse.cz>
5924
5925 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
5926 invariant.
5927
5928 2007-05-01 Jan Hubicka <jh@suse.cz>
5929
5930 * tree.h (maybe_fold_offset_to_component_ref): Remove.
5931 (maybe_fold_offset_to_reference): Declare.
5932 * fold-const.c (fold_unary): Do not fold
5933 (type *)&A into &A->field_of_type_and_offset_0
5934 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
5935 size is unknown, give up.
5936 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
5937 offsets.
5938 (maybe_fold_offset_to_reference): New.
5939 (maybe_fold_stmt_indirect): Use it.
5940 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
5941 * gimplify.c (gimplify_conversion): Canonicalize conversions to
5942 field references.
5943 (gimplify_expr): Likewise for plus_expr.
5944
5945 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5946
5947 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
5948 bsi_after_labels. Always insert statements before bsi.
5949 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5950 * predict.c (apply_return_prediction): Check for empty blocks.
5951 * cfgexpand.c (lab_rtx_for_bb): New variable.
5952 (label_rtx_for_bb): Do not create new tree labels.
5953 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
5954 (tree_expand_cfg): Initialize lab_rtx_for_bb.
5955 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
5956 creating edges.
5957 (label_for_bb): Add field used.
5958 (update_eh_label, main_block_label): Mark the label used.
5959 (cleanup_dead_labels): Remove unused labels.
5960
5961 2007-05-01 Richard Guenther <rguenther@suse.de>
5962
5963 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
5964 if it is not about to be set.
5965 (get_value_range): Do not pre-allocate equiv bitmap.
5966 (update_value_range): No need to clear equiv field.
5967 (add_equivalence): Change prototype to get bitmap pointer.
5968 Allocate bitmap here if it is not already.
5969 (extract_range_from_assert): Do not allocate bitmap here.
5970 Update callers to add_equivalence.
5971 (extract_range_from_ssa_name): Likewise.
5972 (get_vr_for_comparison): New static helper.
5973 (compare_name_with_value): Handle NULL equiv bitmap by
5974 peeling the first iteration of the comparison loop.
5975 Use get_vr_for_comparison.
5976 (compare_names): Handle NULL equiv bitmaps by using fake
5977 ones. Use get_vr_for_comparison.
5978
5979 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
5980
5981 * double-int.c (mpz_set_double_int): Moved from
5982 tree-ssa-loop-niter.c.
5983 (mpz_get_double_int): Likewise; also, add option to wrap
5984 out-of-range integers.
5985 * double-int.h: New prototypes for above.
5986 * tree.c (get_static_type_bounds): Moved from
5987 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
5988 TYPE_MAX_VALUE if they exist..
5989 * tree.h: New prototype for above.
5990 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
5991 get_type_bounds calls.
5992 (mpz_set_double_int): Move to double-int.c.
5993 (get_type_bounds): Move to tree.c, rename to
5994 get_static_type_bounds.
5995 (mpz_to_double_int): Move to double-int.c, rename to
5996 mpz_get_double_int.
5997
5998 2007-04-30 Bob Wilson <bob.wilson@acm.org>
5999
6000 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
6001 DIV0 exception can fall through to a normal return.
6002
6003 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
6004
6005 PR middle-end/22156
6006 Temporarily revert:
6007 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
6008 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
6009 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6010 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
6011 initialize align to silence bogus warning.
6012 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6013 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
6014 all_no_warning.
6015 (struct sra_walk_fns): Remove use_all parameter from use.
6016 (sra_hash_tree): Handle BIT_FIELD_REFs.
6017 (sra_elt_hash): Don't hash bitfld blocks.
6018 (sra_elt_eq): Skip them in parent compares as well. Handle
6019 BIT_FIELD_REFs.
6020 (sra_walk_expr): Don't maintain or pass down use_all_p.
6021 (scan_use): Remove use_all parameter.
6022 (scalarize_use): Likewise. Re-expand assignment to
6023 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
6024 output, and re-scalarize after output. Don't mark anything
6025 for no warning.
6026 (scalarize_ldst): Adjust.
6027 (scalarize_walk_gimple_modify_statement): Likewise.
6028 (build_element_name_1): Handle BIT_FIELD_REFs.
6029 (instantiate_element): Don't warn for any element whose parent
6030 is used as a whole.
6031 (instantiate_missing_elements_1): Return the sra_elt.
6032 (canon_type_for_field): New.
6033 (try_instantiate_multiple_fields): New.
6034 (instantiate_missing_elemnts): Use them.
6035 (mark_no_warning): Removed.
6036 (generate_one_element_ref): Handle BIT_FIELD_REFs.
6037 (REPLDUP, sra_build_elt_assignment): New.
6038 (generate_copy_inout): Use them.
6039 (generate_element_copy): Likewise. Handle bitfld differences.
6040 (generate_element_zero): Don't recurse for blocks. Use
6041 sra_build_elt_assignment.
6042 (generate_one_element_int): Take elt instead of var. Use
6043 sra_build_elt_assignment.
6044 (generate_element_init_1): Adjust.
6045 (scalarize_use, scalarize_copy): Use REPLDUP.
6046 (scalarize_ldst): Move assert before dereference.
6047 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
6048
6049 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
6050
6051 PR C++/31721
6052 * tree.c (reconstruct_complex_type): Reconstruct a reference
6053 correctly.
6054 Also use the same mode for the pointer as the old pointer type.
6055
6056 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6057
6058 * doc/trouble.texi (Interoperation): Remove note about Ultrix
6059 Fortran compiler.
6060
6061 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
6062
6063 PR rtl-optimization/31676
6064 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
6065 (df_refs_record): Call it.
6066
6067 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
6068
6069 * rtl.def (SS_ABS): New code.
6070 * config/bfin/bfin.c (print_operand): New modifier 'v'.
6071 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
6072 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
6073 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
6074 (bfin_init_builtins): Define them.
6075 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
6076 (bfin_expand_builtin): ... and handle the others here.
6077 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
6078 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
6079 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
6080 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
6081 operand is only HImode.
6082
6083 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
6084
6085 * regclass.c (scan_one_insn): Remove splitting of
6086 two address insns.
6087
6088 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
6089 Nigel Stephens <nigel@mips.com>
6090
6091 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6092
6093 2007-04-28 Jan Hubicka <jh@suse.cz>
6094
6095 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
6096 insn_locators_alloc instead of insn_locators_initialize;
6097 call reset_block_changes.
6098 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6099 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
6100 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
6101 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
6102 * config/score/score.c (th_output_mi_thunk): Likewise.
6103 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
6104 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
6105 tolerate uninitialized locator info.
6106
6107 Re-apply:
6108 * function.c (init_function_start): Don't init line number info.
6109 (expand_function_end): Update.
6110 (reset_block_changes, record_block_change, finalize_block_changes,
6111 check_block_change, free_block_changes): Kill.
6112 * function.h (reset_block_changes, record_block_change,
6113 finalize_block_changes, check_block_change, free_block_changes): Remove
6114 prototypes.
6115 (struct function): Remove ib_boundaries_block.
6116 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6117 Use curr_insn_locator to initialize locator.
6118 (emit_line_note): Remove.
6119 * cfgexpand.c (expand_gimple_cond_expr): Update.
6120 (construct_exit_block): Likewise.
6121 (tree_expand_cfg): Initialize/finalize locators.
6122 * expr.c (expand_expr_real): Update.
6123 * cfglayout.c (line_locators_locs, line_locators_lines,
6124 file_locators_locs, file_locators_files): Remove.
6125 (set_block_levels): Move to cfgexpand.c.
6126 (insn_locators_initialize): Remove.
6127 (pass_insn_locators_initialize): Remove.
6128 (locations_locators_locs, locations_locators_vals): New static vars.
6129 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6130 Likewise.
6131 (insn_locators_alloc, insn_locators_finalize,
6132 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6133 New functions.
6134 (locator_location): New.
6135 (locator_line, locator_file): Rewrite.
6136 * rtl.h (emit_line_note): Kill.
6137 (insn_locators_alloc, insn_locators_finalize,
6138 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6139 Declare.
6140 * tree-inline.c (initialize_cfun): Do not initialize
6141 ib_boundaries_block.
6142 * passes.c (pass_insn_locators_initialize): Remove.
6143
6144 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
6145
6146 * tree-cfg.c (move_block_to_fn): Release bb from dominance
6147 info. Update last_basic_block correctly.
6148
6149 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
6150
6151 PR target/31701
6152 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
6153 register itself to hold the offset constant. Tell flow the use
6154 of r4 and r5 when they are used.
6155
6156 2007-04-27 Richard Guenther <rguenther@suse.de>
6157
6158 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
6159 if we simplified anything.
6160 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
6161 warnings until we did a simplification and the stmt was not
6162 marked as TREE_NO_WARNING.
6163
6164 2007-04-27 Mike Stump <mrs@apple.com>
6165
6166 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
6167
6168 2007-04-27 Ian Lance Taylor <iant@google.com>
6169
6170 PR middle-end/31710
6171 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
6172 TYPE_MAX_VALUE exist, convert them to the new type.
6173
6174 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6175
6176 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
6177 if it claims to be available.
6178 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
6179 edge is redirected.
6180 (perform_tree_ssa_dce): Always free postdominators.
6181
6182 2007-04-27 Richard Henderson <rth@redhat.com>
6183
6184 * config/alpha/predicates.md (aligned_memory_operand): Mark
6185 as define_special_predicate.
6186 (unaligned_memory_operand, normal_memory_operand): Likewise.
6187 (reg_or_unaligned_mem_operand): Remove.
6188 (any_memory_operand): Match the documentation and check for
6189 non-renumbered pseudos during reload.
6190 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
6191 alpha_secondary_reload_class, update to new interface, make static.
6192 Handle CQImode like HImode. Remove FP subreg check.
6193 (alpha_expand_mov): Use replace_equiv_address.
6194 (alpha_expand_mov_nobwx): Use any_memory_operand.
6195 (TARGET_SECONDARY_RELOAD): New.
6196 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
6197 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6198 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
6199 * config/alpha/alpha.md: ... here.
6200 (RELOAD12, reloadmode): New.
6201 (movcqi): New.
6202 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
6203 Don't handle the aligned case here.
6204 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
6205 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
6206 reload_inhi_help. Don't expect a scratch register.
6207 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
6208 reload_outhi_help.
6209 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
6210
6211 2007-04-27 Richard Guenther <rguenther@suse.de>
6212
6213 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
6214
6215 2007-04-27 Richard Guenther <rguenther@suse.de>
6216
6217 PR tree-optimization/30965
6218 PR tree-optimization/30978
6219 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
6220 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
6221 (find_equivalent_equality_comparison): Likewise.
6222 (simplify_cond): Likewise.
6223 (get_prop_source_stmt): New helper.
6224 (get_prop_dest_stmt): Likewise.
6225 (can_propagate_from): Likewise.
6226 (remove_prop_source_from_use): Likewise.
6227 (combine_cond_expr_cond): Likewise.
6228 (forward_propagate_comparison): New function.
6229 (forward_propagate_into_cond): Rewrite to use fold for
6230 tree combining.
6231 (tree_ssa_forward_propagate_single_use_vars): Call
6232 forward_propagate_comparison to propagate comparisons.
6233
6234 2007-04-27 Richard Guenther <rguenther@suse.de>
6235
6236 PR tree-optimization/31715
6237 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
6238 sure to do computation on the offset in an appropriate
6239 signed type.
6240
6241 2007-04-27 Richard Sandiford <richard@codesourcery.com>
6242
6243 * reload.h (elimination_target_reg_p): Declare.
6244 * reload.c (find_reloads): Don't apply the reg_rtx move
6245 optimization if the SET_DEST satisfies elimination_target_reg_p.
6246 * reload1.c (elimination_target_reg_p): New function.
6247 (gen_reload): In the move/add2 fallback, make sure that op0
6248 does not overlap the destination register.
6249
6250 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6251
6252 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
6253 transform only GIMPLE_MODIFY_STMTs.
6254 * tree-complex.c (expand_complex_operations_1): Ditto.
6255 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
6256 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
6257 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
6258 branches.
6259 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6260 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
6261 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
6262 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
6263 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
6264 slpeel_add_loop_guard): Ditto.
6265 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6266 * lambda-code.c (perfect_nestify): Ditto.
6267 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
6268 before the first statement.
6269 * tree-optimize.c (execute_free_datastructures): Fix comments.
6270 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
6271 * tree-flow.h (disband_implicit_edges): Declaration removed.
6272 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
6273 branches.
6274 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
6275 without gotos.
6276 (disband_implicit_edges, has_label_p): Removed.
6277 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
6278 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
6279 branches.
6280 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
6281 side effects.
6282 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
6283 also for COND_EXPRs.
6284 * cfgexpand.c (label_rtx_for_bb): New function.
6285 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
6286 Use label_rtx_for_bb to find the labels.
6287 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
6288 last block. Detect fallthru edges.
6289
6290 2007-04-26 Ian Lance Taylor <iant@google.com>
6291
6292 PR target/28675
6293 * reload.c (find_reloads_subreg_address): If the address was valid
6294 in the original mode but not in the new mode, reload the whole
6295 address.
6296
6297 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6298
6299 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
6300 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
6301 (cleanup_control_expr_graph): Do not invalidate dominance info.
6302 Record altered blocks.
6303 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
6304 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
6305 cleanup_tree_cfg_bb): New functions.
6306 (remove_forwarder_block): Do not maintain the worklist of blocks.
6307 Record altered blocks.
6308 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
6309 not over whole cfg.
6310 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
6311 delete_unreachable_blocks if dominators are not available.
6312 * tree-inline.c (optimize_inline_calls): Free dominance information
6313 earlier.
6314 * tree-flow.h (remove_edge_and_dominated_blocks,
6315 cfgcleanup_altered_bbs): Altered.
6316 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
6317 blocks.
6318 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
6319 functions.
6320 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
6321 do not invalidate dominators.
6322
6323 2007-04-26 Anatoly Sokolov <aesok@post.ru>
6324
6325 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
6326 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
6327 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6328 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6329
6330 2007-04-26 Steve Ellcey <sje@cup.hp.com>
6331
6332 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
6333
6334 2007-04-26 Richard Guenther <rguenther@suse.de>
6335
6336 PR tree-optimization/31703
6337 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
6338 the right type for the target of the bittest.
6339
6340 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6341
6342 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
6343 ix86_sol10_return_in_memory.
6344
6345 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6346
6347 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
6348 variables.
6349
6350 2007-04-26 Jakub Jelinek <jakub@redhat.com>
6351
6352 PR c++/31598
6353 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
6354
6355 PR tree-optimization/30558
6356 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
6357 clear this_state.prev_try.
6358
6359 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6360 Mark Mitchell <mark@codesourcery.com>
6361
6362 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
6363 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
6364 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
6365
6366 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6367
6368 PR driver/31107
6369 * doc/invoke.texi (%:print-asm-header): Document.
6370 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
6371 and -ftarget-help.
6372 (static_spec_functions): Add print-asm-header.
6373 (main): Print a banner before the --target-help linker options.
6374 (print_asm_header_spec_function): New function.
6375
6376 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
6377
6378 PR target/31403
6379 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
6380 (movsf_ie): Likewise.
6381
6382 2007-04-25 Paolo Carlini <pcarlini@suse.de>
6383
6384 * doc/extend.texi ([Type Traits]): Adjust per N2255.
6385
6386 2007-04-25 Bob Wilson <bob.wilson@acm.org>
6387
6388 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
6389 for divide-by-zero.
6390 (__umodsi3, __modsi3): Likewise.
6391
6392 2007-04-25 Dirk Mueller <dmueller@suse.de>
6393
6394 * c-typeck.c (build_compound_expr): Annotate warning()
6395 call with OPT_Wunused_value.
6396 * tree-ssa.c (warn_uninit): Annotate warning with
6397 OPT_Wunintialized.
6398 * c-common.c (handle_sentinel_attribute): Annotate warning
6399 call with OPT_Wattributes.
6400
6401 2007-04-25 Thiemo Seufer <ths@mips.com>
6402
6403 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
6404 (mips16): Fix typo.
6405 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
6406 on to the assembler. Improve handling of -mno-mips16. Add handling
6407 of -mno-mips3d, -mno-dsp, -mno-dspr2.
6408 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
6409 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
6410 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
6411
6412 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
6413
6414 PR target/31680
6415 * config/i386/winnt.c (i386_pe_file_end): Strip only
6416 USER_LABEL_PREFIX when writing export name.
6417
6418 2007-04-25 Richard Sandiford <richard@codesourcery.com>
6419
6420 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
6421 sh/elf.h, vx-common.h and vxworks.h.
6422 * config/sh/sh.h: Include config/vxworks-dummy.h.
6423 (SUBTARGET_OVERRIDE_OPTIONS): Define.
6424 (OVERRIDE_OPTIONS): Use it.
6425 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
6426 (vxworks_picreg): New pattern.
6427 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
6428 VXWORKS_OS_CPP_BUILTINS.
6429 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
6430 to their VXWORKS_* equivalents.
6431 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
6432 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
6433 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
6434 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
6435 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
6436 -mrtp/-fPIC multilibs.
6437 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
6438 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
6439 (MULTILIB_OSDIRNAMES): Delete.
6440
6441 2007-04-25 Anatoly Sokolov <aesok@post.ru>
6442
6443 PR target/18989
6444 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
6445
6446 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
6447
6448 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
6449 rounding mode to be specified by the caller.
6450 (real_to_mpfr) Likewise.
6451 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
6452 include new arguments.
6453 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
6454
6455 2007-04-24 Ian Lance Taylor <iant@google.com>
6456
6457 PR tree-optimization/31605
6458 * tree-vrp.c (set_value_range): Check that min and max are not
6459 both overflow infinities.
6460 (set_value_range_to_value): New static function.
6461 (extract_range_from_binary_expr): Call set_value_range_to_value.
6462 (extract_range_from_cond_expr): Likewise.
6463 (extract_range_from_expr): Likewise.
6464 (extract_range_from_unary_expr): Likewise. Don't create a range
6465 which overflows on both sides.
6466 (vrp_meet): Check for a useless range.
6467 (vrp_visit_phi_node): If we see a constant which looks like an
6468 overflow infinity, turn off the TREE_OVERFLOW flag.
6469
6470 2007-04-24 Ian Lance Taylor <iant@google.com>
6471
6472 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
6473
6474 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
6475
6476 PR diagnostic/25923
6477 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
6478 diagnostic message is being built.
6479 * tree-pretty-print.c (dump_generic_node): Only write the
6480 formatted text into BUFFER's stream if we are not building a
6481 diagnostic message.
6482 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
6483 dump_generic_node.
6484 * Makefile.in (toplev.o): Depend on tree-pass.h.
6485
6486 2007-04-24 Ian Lance Taylor <iant@google.com>
6487
6488 PR tree-optimization/31602
6489 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
6490 conditionals in the copied loop header.
6491 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
6492 warnings if TREE_NO_WARNING is set.
6493 * doc/invoke.texi (Warning Options): Clarify that
6494 -Wstrict-overflow does not warn about loops.
6495
6496 2007-04-24 Janis Johnson <janis187@us.ibm.com>
6497
6498 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
6499 expand on the comment about _Decimal128 arguments and check the
6500 integer result of the modulus operation; for 64-bit ELF ABI, ensure
6501 that _Decimal128 argument uses even/odd register pair.
6502 (function_arg): Ditto.
6503
6504 2007-04-24 Hui-May Chang <hm.chang@apple.com>
6505
6506 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
6507 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
6508
6509 2007-04-24 Richard Guenther <rguenther@suse.de>
6510 Olga Golovanevsky <olga@il.ibm.com>
6511
6512 * fold-const.c (multiple_of_p): Check for bottom
6513 to be zero.
6514
6515 2007-04-24 Richard Henderson <rth@redhat.com>
6516
6517 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
6518 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
6519 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
6520 looking for non-zero bits shifted out. Avoid a recursive call
6521 when constructing the scalar.
6522 (__floatundisf): Likewise.
6523
6524 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
6525
6526 * dwarf2out.c (field_byte_offset): Move the existing logic
6527 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
6528 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
6529
6530 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6531
6532 PR target/31641
6533 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
6534 argument of 0 for memset.
6535 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
6536 unsigned shift instead of the signed variant.
6537
6538 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6539
6540 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
6541 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
6542 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
6543 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6544 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
6545 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
6546 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
6547 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
6548 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
6549 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
6550 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
6551 "mul<mode>3", "div<mode>3"): Insn definitions added.
6552 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
6553 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
6554 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
6555 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
6556 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
6557 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
6558 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
6559 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
6560 TARGET_FLOAT_FORMAT): Macro definitions removed.
6561 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
6562 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
6563 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
6564 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
6565 (s390_gen_rtx_const_DI): Function removed.
6566 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
6567
6568 2007-04-24 Richard Sandiford <richard@codesourcery.com>
6569
6570 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
6571 over an external ffs function.
6572
6573 2007-04-24 Chao-ying Fu <fu@mips.com>
6574 Richard Sandiford <richard@nildram.co.uk>
6575
6576 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
6577 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
6578 (smadd_widen_optab, umadd_widen_optab): Define.
6579 * optabs.c (init_optabs): Initialize smadd_widen_optab and
6580 umadd_widen_optab.
6581 * genopinit.c (optabs): Fill in smadd_widen_optab and
6582 umadd_widen_optab.
6583 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
6584 and umadd_widen_optab to implement multiply-add sequences.
6585 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
6586 (<u>maddsidi4): ...this. Extend condition to include
6587 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
6588 of operand 0 to "ka" and use the three-operand form of madd<u>
6589 for TARGET_DSPR2.
6590 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
6591 to define_expands.
6592 * config/mips/constraints.md (ka): New register constraint.
6593
6594 2007-04-24 Jan Hubicka <j@suse.cz>
6595
6596 Revert:
6597
6598 2007-04-23 Jan Hubicka <jh@suse.cz>
6599 * function.c (init_function_start): Don't init line number info.
6600 (expand_function_end): Update.
6601 (reset_block_changes, record_block_change, finalize_block_changes,
6602 check_block_change, free_block_changes): Kill.
6603 * function.h (reset_block_changes, record_block_change,
6604 finalize_block_changes, check_block_change, free_block_changes): Remove
6605 prototypes.
6606 (struct function): Remove ib_boundaries_block.
6607 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6608 Use curr_insn_locator to initialize locator.
6609 (emit_line_note): Remove.
6610 * cfgexpand.c (expand_gimple_cond_expr): Update.
6611 (construct_exit_block): Likewise.
6612 (tree_expand_cfg): Initialize/finalize locators.
6613 * expr.c (expand_expr_real): Update.
6614 * cfglayout.c (line_locators_locs, line_locators_lines,
6615 file_locators_locs, file_locators_files): Remove.
6616 (set_block_levels): Move to cfgexpand.c.
6617 (insn_locators_initialize): Remove.
6618 (pass_insn_locators_initialize): Remove.
6619 (locations_locators_locs, locations_locators_vals): New static vars.
6620 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6621 Likewise.
6622 (insn_locators_alloc, insn_locators_finalize,
6623 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6624 New functions.
6625 (locator_location): New.
6626 (locator_line, locator_file): Rewrite.
6627 * rtl.h (emit_line_note): Kill.
6628 (insn_locators_alloc, insn_locators_finalize,
6629 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6630 Declare.
6631 * tree-inline.c (initialize_cfun): Do not initialize
6632 ib_boundaries_block.
6633 * passes.c (pass_insn_locators_initialize): Remove.
6634
6635 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
6636
6637 * doc/invoke.texi: Removed leading '-' from option index entries.
6638
6639 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
6640
6641 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
6642 Use phi_nodes_ptr.
6643 (create_phi_node): Use set_phi_nodes.
6644 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
6645 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
6646 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
6647 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
6648 (bsi_start, bsi_last): Use bb_stmt_list.
6649 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
6650 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
6651 Traverse the statements using tsi iterator.
6652 * basic-block.h (struct basic_block_def): Fields stmt_list
6653 and phi_nodes moved to ...
6654 (struct tree_bb_info): ... new structure.
6655 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
6656 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
6657 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
6658 (tree_verify_flow_info): Verify that il.tree is not set for
6659 entry and exit block.
6660 (tree_split_block): Use set_bb_stmt_list.
6661
6662 2007-04-23 Mike Stump <mrs@apple.com>
6663
6664 * config/i386/i386.c (ix86_tune_features
6665 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
6666 nocona and core2.
6667
6668 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6669
6670 * config/i386/i386.md (prefix_extra): New attribute.
6671 (length): Add prefix_extra.
6672
6673 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
6674 (sse2_movntv2di): Likewise.
6675 (sse2_cvtps2dq): Likewise.
6676 (sse2_cvtpd2pi): Likewise.
6677 (sse2_cvttpd2pi): Likewise.
6678 (*sse2_cvtpd2ps): Likewise.
6679 (*add<mode>3): Likewise.
6680 (sse2_ssadd<mode>3): Likewise.
6681 (sse2_usadd<mode>3): Likewise.
6682 (*sub<mode>3): Likewise.
6683 (sse2_sssub<mode>3): Likewise.
6684 (sse2_ussub<mode>3): Likewise.
6685 (*mulv8hi3): Likewise.
6686 (*smulv8hi3_highpart): Likewise.
6687 (*umulv8hi3_highpart): Likewise.
6688 (sse2_umulv2siv2di3): Likewise.
6689 (sse2_pmaddwd): Likewise.
6690 (ashr<mode>3): Likewise.
6691 (lshr<mode>3): Likewise.
6692 (ashl<mode>3): Likewise.
6693 (sse2_ashlti3): Likewise.
6694 (sse2_lshrti3): Likewise.
6695 (*umaxv16qi3): Likewise.
6696 (*smaxv8hi3): Likewise.
6697 (*uminv16qi3): Likewise.
6698 (*sminv8hi3): Likewise.
6699 (sse2_eq<mode>3): Likewise.
6700 (sse2_gt<mode>3): Likewise.
6701 (*and<mode>3): Likewise.
6702 (sse2_nand<mode>3): Likewise.
6703 (*ior<mode>3): Likewise.
6704 (*xor<mode>3): Likewise.
6705 (sse2_packsswb): Likewise.
6706 (sse2_packssdw): Likewise.
6707 (sse2_packuswb): Likewise.
6708 (sse2_punpckhbw): Likewise.
6709 (sse2_punpcklbw): Likewise.
6710 (sse2_punpckhwd): Likewise.
6711 (sse2_punpcklwd): Likewise.
6712 (sse2_punpckhdq): Likewise.
6713 (sse2_punpckldq): Likewise.
6714 (sse2_punpckhqdq): Likewise.
6715 (sse2_punpcklqdq): Likewise.
6716 (*sse2_pinsrw): Likewise.
6717 (*sse2_pextrw): Likewise.
6718 (sse2_pshufd_1): Likewise.
6719 (sse2_uavgv16qi3): Likewise.
6720 (sse2_uavgv8hi3): Likewise.
6721 (sse2_psadbw): Likewise.
6722 (sse2_pmovmskb): Likewise.
6723 (*sse2_maskmovdqu): Likewise.
6724 (*sse2_maskmovdqu_rex64): Likewise.
6725 (sse4a_extrqi): Likewise.
6726 (sse4a_extrq): Likewise.
6727 (sse3_lddqu): Set prefix_rep.
6728 (sse3_addsubv4sf3): Likewise.
6729 (sse3_haddv4sf3): Likewise.
6730 (sse3_hsubv4sf3): Likewise.
6731 (sse_cvtss2si): Likewise.
6732 (sse_cvtss2si_2): Likewise.
6733 (sse_cvtss2siq): Likewise.
6734 (sse_cvtss2siq_2): Likewise.
6735 (sse_cvttss2si): Likewise.
6736 (sse_cvttss2siq): Likewise.
6737 (sse2_cvttps2dq): Likewise.
6738 (sse3_movshdup): Likewise.
6739 (sse3_movsldup): Likewise.
6740 (sse2_cvtsd2si): Likewise.
6741 (sse2_cvtsd2si_2): Likewise.
6742 (sse2_cvtsd2siq): Likewise.
6743 (sse2_cvtsd2siq_2): Likewise.
6744 (sse2_cvttsd2si): Likewise.
6745 (sse2_cvttsd2siq): Likewise.
6746 (*sse2_cvtpd2dq): Likewise.
6747 (*sse2_cvttpd2dq): Likewise.
6748 (sse2_pshuflw_1): Likewise.
6749 (sse2_pshufhw_1): Likewise.
6750 (sse4a_insertqi): Likewise.
6751 (sse4a_insertq): Likewise.
6752 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
6753 (ssse3_phadddv4si3): Likewise.
6754 (ssse3_phaddswv8hi3): Likewise.
6755 (ssse3_phsubwv8hi3): Likewise.
6756 (ssse3_phsubdv4si3): Likewise.
6757 (ssse3_phsubswv8hi3): Likewise.
6758 (ssse3_pmaddubswv8hi3): Likewise.
6759 (ssse3_pmulhrswv8hi3): Likewise.
6760 (ssse3_pshufbv16qi3): Likewise.
6761 (ssse3_psign<mode>3): Likewise.
6762 (ssse3_palignrti): Likewise.
6763 (abs<mode>2): Likewise.
6764 (ssse3_phaddwv4hi3): Set prefix_extra.
6765 (ssse3_phadddv2si3): Likewise.
6766 (ssse3_phaddswv4hi3): Likewise.
6767 (ssse3_phsubwv4hi3): Likewise.
6768 (ssse3_phsubdv2si3): Likewise.
6769 (ssse3_phsubswv4hi3): Likewise.
6770 (ssse3_pmaddubswv4hi3): Likewise.
6771 (ssse3_pmulhrswv4hi3): Likewise.
6772 (ssse3_pshufbv8qi3): Likewise.
6773 (ssse3_psign<mode>3): Likewise.
6774 (ssse3_palignrdi): Likewise.
6775 (abs<mode>2): Likewise.
6776 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
6777 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
6778 (sse2_pmovmskb): Set mode to SI instead of V2DF.
6779
6780 2007-04-23 Nick Clifton <nickc@redhat.com>
6781
6782 * params.def: Fix formatting of emacs local variables.
6783
6784 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6785
6786 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
6787 move if inter-unit move isn't allowed.
6788 Don't split moving the first element of V2DI to DI to inter-unit
6789 move if inter-unit move isn't allowed.
6790
6791 2007-04-23 Richard Guenther <rguenther@suse.de>
6792
6793 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
6794 and CDI_POST_DOMINATORS separately.
6795
6796 2007-04-23 Nick Clifton <nickc@redhat.com>
6797
6798 * c.opt (Wformat-contains-nul): Add warning attribute.
6799
6800 2007-04-23 Jan Hubicka <jh@suse.cz>
6801
6802 * function.c (init_function_start): Don't init line number info.
6803 (expand_function_end): Update.
6804 (reset_block_changes, record_block_change, finalize_block_changes,
6805 check_block_change, free_block_changes): Kill.
6806 * function.h (reset_block_changes, record_block_change,
6807 finalize_block_changes, check_block_change, free_block_changes): Remove
6808 prototypes.
6809 (struct function): Remove ib_boundaries_block.
6810 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6811 Use curr_insn_locator to initialize locator.
6812 (emit_line_note): Remove.
6813 * cfgexpand.c (expand_gimple_cond_expr): Update.
6814 (construct_exit_block): Likewise.
6815 (tree_expand_cfg): Initialize/finalize locators.
6816 * expr.c (expand_expr_real): Update.
6817 * cfglayout.c (line_locators_locs, line_locators_lines,
6818 file_locators_locs, file_locators_files): Remove.
6819 (set_block_levels): Move to cfgexpand.c.
6820 (insn_locators_initialize): Remove.
6821 (pass_insn_locators_initialize): Remove.
6822 (locations_locators_locs, locations_locators_vals): New static vars.
6823 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6824 Likewise.
6825 (insn_locators_alloc, insn_locators_finalize,
6826 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6827 New functions.
6828 (locator_location): New.
6829 (locator_line, locator_file): Rewrite.
6830 * rtl.h (emit_line_note): Kill.
6831 (insn_locators_alloc, insn_locators_finalize,
6832 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6833 Declare.
6834 * tree-inline.c (initialize_cfun): Do not initialize
6835 ib_boundaries_block.
6836 * passes.c (pass_insn_locators_initialize): Remove.
6837
6838 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
6839
6840 PR middle-end/31448
6841 * expr.c (reduce_to_bit_field_precision): Handle
6842 CONST_INT rtx's.
6843
6844 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
6845
6846 PR tree-optimization/24659
6847 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
6848 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
6849 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
6850 * genopinit.c (optabs): Rename vec_pack_mod_optab
6851 to vec_pack_trunc_optab.
6852 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
6853 early for scalar floating point operands for NOP_EXPR.
6854 (vectorizable_type_promotion): Ditto.
6855 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
6856 vec_pack_trunc_optab.
6857 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
6858
6859 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
6860 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
6861 Rename from VEC_PACK_MOD_EXPR.
6862 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
6863 * expr.c (expand_expr_real_1): Ditto.
6864 * tree-inline.c (estimate_num_insns_1): Ditto.
6865 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
6866
6867 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
6868 (vec_unpacks_lo_v4sf): Ditto.
6869 (vec_pack_trunc_v2df): Ditto.
6870 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
6871 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6872 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
6873
6874 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
6875 vec_pack_mod_v8hi.
6876 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6877
6878 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
6879 Rename from VEC_PACK_MOD_EXPR. This expression also represent
6880 packing of floating point operands.
6881 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
6882 represent unpacking of floating point operands.
6883 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
6884 [vec_unpacks_hi]: Ditto.
6885 [vec_unpacks_lo]: Ditto.
6886
6887 2007-04-22 Jan Hubicka <jh@suse.cz>
6888
6889 * final.c (rest_of_handle_final): Call
6890 targetm.asm_out.constructor/targetm.asm_out.destructor
6891 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
6892 proper priority via decl_*_priority_insert.
6893 * c-common.c (c_expand_body): Likewise.
6894
6895 2007-04-22 Richard Guenther <rguenther@suse.de>
6896
6897 PR tree-optimization/29789
6898 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
6899 (rewrite_reciprocal): New helper split out from
6900 determine_invariantness_stmt.
6901 (rewrite_bittest): Likewise.
6902 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
6903 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
6904 is not.
6905
6906 2007-04-22 Revital Eres <eres@il.ibm.com>
6907
6908 * loop-unroll.c (var_to_expand): New field to support also
6909 insns of the form x = something + x.
6910 (analyze_insn_to_expand_var): Use it.
6911 (expand_var_during_unrolling): Likewise.
6912
6913 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
6914
6915 * predict.c: Include pointer-set.h.
6916 (bb_predictions): New variable.
6917 (tree_predicted_by_p, tree_predict_edge,
6918 remove_predictions_associated_with_edge): Use bb_predictions map
6919 instead of bb->predictions.
6920 (clear_bb_predictions, assert_is_empty): New functions.
6921 (combine_predictions_for_bb): Use bb_predictions map. Call
6922 clear_bb_predictions.
6923 (tree_estimate_probability): Create and free bb_predictions map.
6924 * Makefile.in (predict.o): Add pointer-set.h dependency.
6925 * basic-block.h (struct basic_block_def): Remove predictions
6926 field.
6927 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
6928
6929 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
6930
6931 PR target/31480
6932 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
6933 is null.
6934
6935 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6936
6937 * timevar.c (timevar_print): Change reference of --disable-checking to
6938 --enable-checking=release. Also warn if assert checking is disabled.
6939
6940 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6941
6942 PR C/30265
6943 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
6944 decl as addressable if the compound literal was marked as
6945 addressable.
6946 Mark the decl as a gimple register if it is a complex or
6947 vector decl and does not live in memory.
6948
6949 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6950
6951 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
6952 (GENERIC_NEXT): New function macro.
6953 (PHI_CHAIN): Use phi_node's new chain variable.
6954 (tree_phi_node): Change tree_common to tree_base
6955 and add the chain field.
6956 * tree-phinodes.c (make_phi_node): Don't set
6957 TREE_TYPE on the new node.
6958 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
6959 instead of checking GIMPLE_TUPLE_P in chain_next.
6960 * tree-vect-transform.c
6961 (get_initial_def_for_induction): Look at
6962 PHI_RESULT_TREE for the type of the phi node.
6963 (update_vuses_to_preheader): Use PHI_CHAIN
6964 instead of TREE_CHAIN on the phi node.
6965 * tree-ssa-structalias.c (compute_points_to_sets):
6966 Likewise.
6967 (ipa_pta_execute): Likewise.
6968
6969 2007-04-21 Richard Guenther <rguenther@suse.de>
6970
6971 PR middle-end/31136
6972 * fold-const.c (fold_unary): Call fold_convert_const on the
6973 original tree.
6974
6975 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
6976
6977 * gcse.c (store_killed_in_insn): Handle PARALLELs.
6978 (store_killed_in_pat): New.
6979
6980 2007-04-20 Richard Henderson <rth@redhat.com>
6981
6982 PR target/31628
6983 * config/i386/i386.c (type_has_variadic_args_p): Look for any
6984 TREE_LIST with a void_type_node value, not void_list_node exactly.
6985
6986 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
6987
6988 * doc/standards.texi: Re-arrange into language-specific
6989 subsections. Add a C++ section, documenting which standards we
6990 support.
6991
6992 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
6993
6994 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
6995 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
6996
6997 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
6998
6999 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
7000 ecrti.o and crtbegin.o.
7001 (LIB_DEFAULT_SPEC): Include -lc.
7002 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
7003
7004 2007-04-20 Richard Henderson <rth@redhat.com>
7005
7006 PR target/28623
7007 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
7008 argument; update all callers.
7009 (get_unaligned_offset): New.
7010 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
7011 get_unaligned_address, just pass on the address directly.
7012 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
7013 the subreg in the helper patterns.
7014 (unaligned_extendqidi_le): Use get_unaligned_offset.
7015 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
7016 (unaligned_extendhidi_be): Likewise.
7017 (unaligned_extendhidi): Tidy.
7018 * config/alpha/alpha-protos.h: Update.
7019
7020 2007-04-20 Richard Henderson <rth@redhat.com>
7021
7022 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
7023 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
7024 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
7025 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7026 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7027 (CPP_SPEC): Don't include %(cpp_subtarget).
7028 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
7029 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7030 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
7031
7032 2007-04-20 Jakub Jelinek <jakub@redhat.com>
7033
7034 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
7035 for __builtin_ia32_cmpordss.
7036
7037 PR tree-optimization/31632
7038 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
7039 and arg1 for optimizations of comparison against min/max values.
7040 Fold arg0 to arg1's type for optimizations of comparison against
7041 min+1 and max-1 values.
7042
7043 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
7044
7045 * reload.c (combine_reloads): When trying to use a dying register,
7046 check whether it's uninitialized and don't use if so.
7047
7048 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
7049
7050 * fold-const.c: Remove prototypes for native_encode_expr and
7051 native_interpret_expr.
7052 (native_encode_expr): Make non-static.
7053 (native_interpret_expr): Likewise.
7054 * tree.h: Add prototypes for the above.
7055
7056 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7057
7058 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
7059 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
7060 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
7061 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
7062 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
7063 Add length attributes.
7064
7065 2007-04-19 Janis Johnson <janis187@us.ibm.com>
7066
7067 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
7068 not that it is 1.
7069
7070 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7071 __STDC_WANT_DEC_FP__.
7072
7073 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7074
7075 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
7076 for long double compatibility.
7077 * configure: Regenerate.
7078
7079 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
7080
7081 PR rtl-optimization/29841
7082 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
7083 trap instructions.
7084 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
7085 that may cause control flow transfer from being moved.
7086
7087 2007-04-18 Jan Hubicka <jh@suse.cz>
7088
7089 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
7090 types.
7091
7092 2007-04-18 Eric Christopher <echristo@apple.com>
7093
7094 * config/rs6000/darwin.md (load_macho_picbase): Use link register
7095 only. Update operands.
7096 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
7097 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7098 link register to pic register.
7099
7100 2007-04-18 Dirk Mueller <dmueller@suse.de>
7101
7102 PR diagnostic/31227
7103 * tree-vrp.c (search_for_addr_array): New.
7104 (check_array_bounds): Suppress warning about
7105 address taken of array refs if its not de-referenced.
7106
7107 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7108
7109 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
7110 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
7111
7112 * tree-vectorizer.h (NITERS_KNOWN_P): New.
7113 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
7114 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
7115
7116 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
7117 dump print.
7118 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
7119 print message.
7120 (vect_analyze_scalar_cycles): Fix indentation.
7121 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
7122 (vect_mark_relevant): Include phis in relevance analysis.
7123
7124 * tree-vect-transform.c (vect_transform_loop): Add an assert.
7125
7126 2007-04-18 Anatoly Sokolov <aesok@post.ru>
7127
7128 * config/avr/avr.c (ptrreg_to_str): Replace error() with
7129 output_operand_lossage().
7130
7131 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7132
7133 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
7134 the unused code for reduction without adjust-in-epilog to simplify the
7135 function.
7136
7137 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
7138
7139 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
7140 (S390_TDC_NEGATIVE_ZERO): New constant.
7141 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
7142 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
7143 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
7144 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
7145 (S390_TDC_POSITIVE_INFINITY): New constant.
7146 (S390_TDC_NEGATIVE_INFINITY): New constant.
7147 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
7148 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
7149 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
7150 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
7151 (S390_TDC_INFINITY): New constant.
7152 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
7153 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
7154 optimization for UNSPEC_CCZ_TO_INT.
7155 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
7156 ("*ccz_to_int"): New insn.
7157 ("isinf<mode>2"): New insn.
7158 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
7159 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
7160 (UNSPEC_CCZ_TO_INT): New constant.
7161
7162 2007-04-18 Richard Guenther <rguenther@suse.de>
7163
7164 PR tree-optimization/19431
7165 PR tree-optimization/21463
7166 * tree-pass.h (pass_phiprop): Declare.
7167 * passes.c (init_optimization_passes): New phiprop pass.
7168 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
7169 (phivn_valid_p): New helper function.
7170 (phiprop_insert_phi): Likewise.
7171 (propagate_with_phi): Likewise.
7172 (tree_ssa_phiprop): New propagator propagating loads
7173 through phi nodes if profitable.
7174
7175 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7176
7177 * tree-vect-analyze.c (process_use): New function.
7178 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
7179 Check phis in all bbs.
7180 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
7181 assert.
7182
7183 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
7184
7185 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
7186 we use REG_EQUAL.
7187
7188 2007-04-17 Anatoly Sokolov <aesok@post.ru>
7189
7190 PR target/30483
7191 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
7192 error().
7193
7194 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
7195
7196 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
7197 on "0".
7198 (sse_vmmulv4sf3): Likewise.
7199 (sse2_vmaddv2df3): Likewise.
7200 (sse2_vmmulv2df3): Likewise.
7201
7202 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
7203
7204 PR rtl-optimization/31360
7205 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
7206 (target_reg_cost): New.
7207 (init_set_costs): Initialize target_reg_cost. Add comments
7208 regarding the rationale of the costs.
7209 (global_cost_for_size): Renamed to...
7210 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
7211 of register pressure.
7212 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
7213 estimate_reg_pressure_cost. Add number of ivs.
7214 (determine_set_costs): Dump target_reg_cost.
7215 * loop-invariant.c (gain_for_invariant): Use
7216 estimate_reg_pressure_cost. Removed n_inv_uses argument.
7217 (best_gain_for_invariant, find_invariants_to_move): Remove
7218 n_inv_uses.
7219 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
7220 (target_reg_cost): Declare.
7221 (global_cost_for_size): Declaration removed.
7222 (estimate_reg_pressure_cost): Declare.
7223
7224 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
7225
7226 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
7227 regnos into even/odd register pairs.
7228 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
7229 TDmode similar to the other floating point modes.
7230 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
7231 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
7232 define_expand's.
7233 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
7234 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
7235 (movdd_hardfloat64): Use TARGET_MFPGPR.
7236
7237 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
7238
7239 * reload1.c (delete_output_reload): Don't count output in n_inherited.
7240
7241 Revert
7242 2005-01-05 Richard Henderson <rth@redhat.com>
7243 PR rtl-opt/10692
7244 * reload1.c (do_input_reload): Restrict the optimization deleteing
7245 a previous output reload to RELOAD_FOR_INPUT.
7246
7247 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
7248
7249 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
7250 induc_vec_info_type.
7251 (vectorizable_induction): New function declaration.
7252 * tree-vect-transform.c (get_initial_def_for_induction): No need to
7253 check if already vectorized. Find first place in BB where new stmts
7254 can be inserted. Takes only one argument.
7255 (vectorizable_induction): New function.
7256 (vect_transform_stmt): Add case for induc_vec_info_type to call
7257 vectorizable_induction.
7258 (vect_transform_loop): Consider phis for vectorization.
7259 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
7260 condition.
7261 (analyze_operations): Call vectorizable_induction when analyzing phis.
7262 Fix comment.
7263 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
7264 (vect_mark_relevant): Include phis in relevance analysis.
7265 (vect_mark_stmts_to_be_vectorize): Likewise.
7266 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
7267
7268 2007-04-16 Lawrence Crowl <crowl@google.com>
7269
7270 * doc/invoke.texi (Debugging Options): Add documentation for the
7271 -femit-struct-debug options -femit-struct-debug-baseonly,
7272 -femit-struct-debug-reduced, and
7273 -femit-struct-debug-detailed[=...].
7274
7275 * c-opts.c (c_common_handle_option): Add
7276 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
7277 and OPT_femit_struct_debug_detailed_.
7278 * c.opt: Add specifications for
7279 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
7280 and -femit-struct-debug-detailed[=...].
7281 * opts.c (set_struct_debug_option): Parse the
7282 -femit-struct-debug-... options.
7283 * opts.c (matches_main_base, main_input_basename,
7284 main_input_baselength, base_of_path, matches_main_base): Add
7285 variables and functions to compare header base name to compilation
7286 unit base name.
7287 * opts.c (should_emit_struct_debug): Add to determine to emit a
7288 structure based on the option.
7289 (dump_struct_debug) Also disabled function to debug this
7290 function.
7291 * opts.c (handle_options): Save the base name of the
7292 compilation unit.
7293
7294 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
7295 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
7296 This hook indicates if a type is generic. Set it by default
7297 to "never generic".
7298 * langhooks.h (struct lang_hooks_for_types): Add a new hook
7299 to determine if a struct type is generic or not.
7300 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
7301 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
7302 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
7303 with live C++ hook.
7304
7305 * flags.h (enum debug_info_usage): Add an enumeration to describe
7306 a program's use of a structure type.
7307 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
7308 to indicate the program's usage of the type. Filter structs based
7309 on the -femit-struct-debug-... specification.
7310 (gen_type_die): Split into two routines, gen_type_die and
7311 gen_type_die_with_usage. gen_type_die is now a wrapper
7312 that assumes direct usage.
7313 (gen_type_die_with_usage): Replace calls to gen_type_die
7314 with gen_type_die_with_usage adding the program usage of
7315 the referenced type.
7316 (dwarf2out_imported_module_or_decl): Suppress struct debug
7317 information using should_emit_struct_debug when appropriate.
7318
7319 2007-04-16 Ian Lance Taylor <iant@google.com>
7320
7321 PR tree-optimization/31522
7322 * tree-vrp.c (vr_phi_edge_counts): New static variable.
7323 (vrp_initialize): Allocate vr_phi_edge_counts.
7324 (vrp_visit_phi_node): Don't push to infinity if we saw a new
7325 executable edge. Drop test for all constants.
7326 (vrp_finalize): Free vrp_phi_edge_counts.
7327
7328 * doc/cpp.texi (Common Predefined Macros): Clarify description of
7329 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7330
7331 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
7332 predecessors at head rather than tail.
7333
7334 2007-04-16 Matthias Klose <doko@debian.org>
7335
7336 * config/alpha/linux.h (CPP_SPEC): Define.
7337 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
7338
7339 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
7340
7341 * function.h: Remove sequence_stack extern declaration.
7342
7343 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7344
7345 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
7346 TARGET_FIDOA.
7347 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
7348 defined.
7349
7350 2007-04-16 Anatoly Sokolov <aesok@post.ru>
7351
7352 * config/avr/avr.c (avr_arch_types): Rearranging array.
7353 (enum avr_arch): Add.
7354 (avr_mcu_types): Use avr_arch enumeration constants instead of
7355 numbers.
7356 * config/avr/avr.h (LINK_SPEC): Simplify.
7357
7358 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7359
7360 * config/m68k/m68k.c (m68k_libcall_value,
7361 m68k_function_value): Use macros for register names more.
7362
7363 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
7364 instead.
7365 (M68K_REGNAME): Use A6_REG.
7366 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
7367
7368 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7369
7370 PR middle-end/28071
7371 * sched-int.h (struct deps): Split field 'pending_lists_length' into
7372 'pending_read_list_length' and 'pending_write_list_length'. Update
7373 comment.
7374 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
7375 to handle two length counters instead of one. Update all uses.
7376 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
7377 two length counters instead of one.
7378 * sched-rgn.c (propagate_deps): Update to handle two length counters
7379 instead of one.
7380
7381 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
7382
7383 PR target/31582
7384 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
7385 copy of source, pass it to ix86_expand_vector_set and return
7386 it as target.
7387
7388 2007-04-16 David Ung <davidu@mips.com>
7389 Joseph Myers <joseph@codesourcery.com>
7390
7391 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
7392 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
7393 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
7394 Add 74K processor information.
7395 * config/mips/mips.md: Include 74k.md.
7396 (cpu): Add 74kc,74kf,74kx.
7397 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
7398 * config/mips/74k.md: New.
7399 * doc/invoke.texi (MIPS Options): Document 74K support.
7400
7401 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
7402
7403 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
7404 vectorizable_* functions.
7405 * tree-vect-transform.c (vectorizable_call): Add check for
7406 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
7407 (vectorizable_store): likewise.
7408 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
7409 Add comments.
7410 (vectorizable_operation, vectorizable_type_demotion): Likewise.
7411 (vectorizable_type_promotion, vectorizable_load): Likewise.
7412 (vectorizable_live_operation, vectorizable_condition): Likewise.
7413 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
7414 STMT_VINFO_LIVE_P.
7415 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
7416
7417 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7418
7419 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
7420 register numbers more.
7421 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
7422 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
7423 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
7424 FUNCTION_VALUE_REGNO_P): Likewise.
7425 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
7426 STATIC_CHAIN_REGNUM): Likewise.
7427 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
7428 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
7429 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
7430 * config/m68k/m68k.md (FP_REG): New.
7431
7432 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7433
7434 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
7435 alignment on fido.
7436
7437 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7438
7439 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
7440 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
7441 comment typos.
7442
7443 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7444
7445 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
7446 cold loops.
7447
7448 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
7449
7450 PR c/31520
7451 * c-decl.c (finish_decl): Grab the type of the decl after the call
7452 to store_init_value.
7453
7454 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
7455
7456 * common.opt (fforward-propagate): Fix "Optimization" annotation.
7457
7458 2007-04-14 Jakub Jelinek <jakub@redhat.com>
7459
7460 PR c++/25874
7461 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
7462 post dominators and cleanup cfg before returning.
7463
7464 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
7465
7466 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
7467 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
7468
7469 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
7470
7471 * config.gcc: Recognize fido.
7472 * config/m68k/m68k-devices.def (fidoa): New.
7473 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
7474 __mfido__.
7475 (FL_FIDOA, TARGET_FIDOA): New.
7476 * config/m68k/m68k.opt (mfidoa): New.
7477
7478 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7479
7480 PR middle-end/31322
7481 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
7482 when a personality function is used.
7483
7484 2007-04-13 Bob Wilson <bob.wilson@acm.org>
7485
7486 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
7487
7488 2007-04-13 Mike Stump <mrs@apple.com>
7489
7490 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
7491 we can...
7492 * config/darwin.opt (fapple-kext): Make C++ only.
7493 * config/darwin.c (darwin_override_options): Remove code to ensure
7494 -fapple-kext is given for C++ only.
7495
7496 2007-04-13 Richard Sandiford <richard@codesourcery.com>
7497
7498 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
7499 * config/mips/mips.c (override_options): Call
7500 SUBTARGET_OVERRIDE_OPTIONS, if defined.
7501
7502 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7503
7504 * config/i386/i386.opt (msvr3-shlib): Removed.
7505
7506 * doc/invoke.texi: Remove -msvr3-shlib.
7507
7508 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7509
7510 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
7511 with "popcnt" instruction.
7512
7513 2007-04-13 Richard Guenther <rguenther@suse.de>
7514
7515 PR tree-optimization/21258
7516 * tree-vrp.c (compare_case_labels): New helper.
7517 (find_switch_asserts): New function.
7518 (find_assert_locations): Call it for SWITCH_EXPRs.
7519
7520 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
7521
7522 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
7523 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
7524 check is now implied in X87_FLOAT_MODE_P.
7525 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7526 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7527 (fix_trunc<mode>_i386_fisttp): Ditto.
7528 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7529 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7530 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7531 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7532 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7533 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7534 (unnamed_splitters): Ditto.
7535 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
7536 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
7537 FIRST_SSE_REG for local functions when SSE math is enabled or
7538 for functions with sseregparm attribute.
7539 (standard_80387_constant_p): Return -1 if mode is not
7540 X87_FLOAT_MODE_P.
7541 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
7542 (ix86_expand_compare): Ditto.
7543 (ix86_expand_carry_flag_compare): Ditto.
7544 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
7545 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
7546 DECIMAL_FLOAT_MODE_P.
7547 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
7548 of SCALAR_FLOAT_MODE_P.
7549 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
7550 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
7551 checks before FLOAT_MODE_P.
7552 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
7553 before FLOAT_MODE_P.
7554 [DIV]: Ditto.
7555 [NEG]: Ditto.
7556 [ABS]: Ditto.
7557 [SQRT]: Ditto.
7558 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
7559
7560 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
7561 Charles Wilson <libtool@cwilson.fastmail.fm>
7562
7563 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
7564 (libgcc.mvars): Don't depend on them.
7565 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
7566 * exec-tool.in: New.
7567
7568 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
7569
7570 * doc/invoke.text (--help): Document --help=common.
7571
7572 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
7573
7574 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
7575
7576 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7577
7578 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
7579 * genemit.c (main): Emit #include "integrate.h".
7580 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
7581 (LOADGP_RTP): New mips_loadgp_style.
7582 * config/mips/mips.h: Include config/vxworks-dummy.h.
7583 (TARGET_RTP_PIC): New macro.
7584 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
7585 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
7586 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
7587 for TARGET_RTP_PIC.
7588 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
7589 -mvxworks-pic when using -mrtp and a PIC option.
7590 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
7591 for RTP PIC.
7592 (mips_symbolic_constant_p, mips_symbolic_address_p)
7593 (mips_symbol_insns): Handle SYMBOL_HALF.
7594 (override_options): Warn about -G and -mrtp being used together.
7595 Initialize mips_lo_relocs[SYMBOL_HALF].
7596 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
7597 (mips_emit_loadgp): Handle LOADGP_RTP.
7598 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
7599 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
7600 (tablejump): Handle function-relative case table entries if
7601 TARGET_RTP_PIC.
7602 * config/mips/predicates.md (symbol_ref_operand): New predicate.
7603
7604 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7605
7606 * config/mips/mips.md (load_call<mode>): Allow any general register.
7607 destination.
7608 (sibcall_value_internal, sibcall_value_multiple_internal)
7609 (call_value_internal, call_value_split, call_value_multiple_internal)
7610 (call_value_multiple_split): Remove constraints from operand 0.
7611
7612 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7613
7614 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
7615 rather than loadgp_noshared.
7616 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
7617 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
7618 gen_loadgp.
7619 * config/mips/mips.md (loadgp): Rename to...
7620 (loadgp_newabi): ...this.
7621 (loadgp_noshared): Rename to...
7622 (loadgp_absolute): ...this.
7623
7624 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7625
7626 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
7627 false for locally-binding symbols.
7628 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
7629
7630 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7631
7632 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
7633 (SYMBOL_GOT_PAGE_OFST): ...this.
7634 (SYMBOL_GOT_GLOBAL): Rename to...
7635 (SYMBOL_GOT_DISP): ...this.
7636 (SYMBOL_GOTOFF_GLOBAL): Rename to...
7637 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
7638 * config/mips/mips.c (mips_global_symbol_p): New function.
7639 (mips_symbol_binds_local_p): Likewise.
7640 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
7641 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
7642 and mips_symbol_binds_local_p.
7643 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
7644 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
7645 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
7646 SYMBOL_GOTOFF_DISP.
7647 (mips_ok_for_lazy_binding_p): New function.
7648 (mips_load_call_address, mips_expand_call): Use it.
7649 (mips_dangerous_for_la25_p): Likewise.
7650 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
7651 (*got_disp<mode>): Use got_disp_operand instead of
7652 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
7653 SYMBOL_GOTOFF_GLOBAL.
7654 (*got_page<mode>): Use got_page_ofst_operand instead of
7655 local_got_operand.
7656 * config/mips/predicates.md (const_call_insn_operand): Use
7657 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
7658 (global_got_operand): Rename to...
7659 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
7660 SYMBOL_GOT_GLOBAL.
7661 (local_got_operand): Rename to...
7662 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
7663 of SYMBOL_GOT_LOCAL.
7664
7665 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7666
7667 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
7668 TARGET_CALL_CLOBBERED_GP.
7669 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7670 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
7671 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
7672 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
7673 of TARGET_ABICALLS && !TARGET_NEWABI.
7674 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7675 * config/mips/mips.c (mips_load_call_address): Check
7676 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7677 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7678 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7679 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
7680 TARGET_ABICALLS && TARGET_NEWABI.
7681 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
7682 TARGET_ABICALLS.
7683 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
7684 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
7685 TARGET_ABICALLS && TARGET_NEWABI.
7686 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
7687 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
7688 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
7689 whether indirect calls must use $25.
7690 (mips_extra_live_on_entry): Check TARGET_GOT instead of
7691 TARGET_ABICALLS.
7692 * config/mips/mips.md (jal_macro): Check flag_pic and
7693 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
7694 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
7695 instead of TARGET_ABICALLS.
7696 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
7697 TARGET_ABICALLS && TARGET_OLDABI.
7698 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7699 (sibcall): In the comment above the define_insn, mention
7700 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
7701 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
7702 instead of TARGET_ABICALLS.
7703
7704 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
7705
7706 * doc/md.texi (Blackfin family constraints): Document PA and PB.
7707 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
7708 (MACFLAGS_MATCH_P): New macro.
7709 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
7710 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
7711 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
7712 the other MACFLAG constants.
7713 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
7714 (flag_machi): Tighten constraints. Renumber some of the operands.
7715 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
7716 output template.
7717 (flag_machi_parts_acconly): New pattern.
7718 (flag_macinithi): Tighten constraints. Allow any accumulator to be
7719 used.
7720 (flag_macinit1hi): Tighten constraints.
7721 (flag_mul_macv2hi_parts_acconly): New pattern.
7722
7723 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
7724 Use a more efficient implementation.
7725 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
7726 inline sequences when not optimizing for size.
7727
7728 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
7729 movhi_high2low): Delete, merge functionality into...
7730 (packv2hi): ... this pattern.
7731
7732 2007-02-11 Jie Zhang <jie.zhang@analog.com>
7733 * config/bfin/bfin.opt (msim): New option.
7734 (mcpu=): New option.
7735 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
7736 (bfin_cpu_t): Typedef of enum bfin_cpu.
7737 (bfin_cpu_type): New declaration.
7738 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
7739 -msim and -mcpu= options.
7740 (LIB_SPEC): Likewise.
7741 * config/bfin/bfin.c (bfin_cpu_type): Define.
7742 (bfin_handle_option): Handle -mcpu= option.
7743 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
7744 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
7745 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
7746
7747 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7748
7749 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
7750 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
7751 (powerpc-wrs-vxworksae): Use ${tm_file}.
7752 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
7753 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
7754 * config/i386/vx-common.h: New file.
7755
7756 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7757
7758 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
7759 of crt0.o%s.
7760
7761 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
7762
7763 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
7764 ldxtr.
7765
7766 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
7767
7768 PR c++/31078
7769 PR c++/31103
7770 * c-common.c (c_build_qualified_type): Set canonical type
7771 appropriately.
7772
7773 2007-04-12 Richard Guenther <rguenther@suse.de>
7774
7775 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
7776 lower bound and element size if lower bound is not zero
7777 or either of the ARRAY_REF operands is set.
7778
7779 2007-04-12 Richard Guenther <rguenther@suse.de>
7780
7781 PR tree-optimization/24689
7782 PR tree-optimization/31307
7783 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
7784 indices by value.
7785 * gimplify.c (canonicalize_addr_expr): To be consistent with
7786 gimplify_compound_lval only set operands two and three of
7787 ARRAY_REFs if they are not gimple_min_invariant. This makes
7788 it never at this place.
7789 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
7790
7791 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7792
7793 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
7794 null before emitting a .nsubspa directive.
7795
7796 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7797
7798 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
7799 need_to_partition_p if there are no memory statements in the
7800 function.
7801
7802 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7803
7804 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
7805 (gcd_of_steps_may_divide_p): New function.
7806 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
7807
7808 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7809
7810 * reload.c (find_reloads_toplev, find_reloads_address,
7811 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
7812 not a pointer equality test, to decide if we need to call
7813 push_reg_equiv_alt_mem.
7814
7815 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
7816
7817 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
7818 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
7819 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
7820
7821 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7822
7823 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
7824 vector to be positive.
7825
7826 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7827
7828 PR 30735
7829 PR 31090
7830 * doc/invoke.texi: Document --params max-aliased-vops and
7831 avg-aliased-vops.
7832 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
7833 debug_memory_partitions): Move to tree-flow.h
7834 * params.h (AVG_ALIASED_VOPS): Define.
7835 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
7836 users.
7837 (mp_info_t): Likewise.
7838 (get_mem_sym_stats_for): New.
7839 (set_memory_partition): Move from tree-flow-inline.h.
7840 (mark_non_addressable): Only clear the set of symbols for the
7841 partition if it exists.
7842 (dump_memory_partitions): Move from tree-ssa-operands.c
7843 (debug_memory_partitions): Likewise.
7844 (need_to_partition_p): New.
7845 (dump_mem_ref_stats): New.
7846 (debug_mem_ref_stats): New.
7847 (dump_mem_sym_stats): New.
7848 (debug_mem_sym_stats): New.
7849 (update_mem_sym_stats_from_stmt): New.
7850 (compare_mp_info_entries): New.
7851 (mp_info_cmp): Call it.
7852 (sort_mp_info): Change argument to a list of mem_sym_stats_t
7853 objects.
7854 (get_mpt_for): Move from tree-ssa-operands.c.
7855 (find_partition_for): New.
7856 (create_partition_for): Remove.
7857 (estimate_vop_reduction): New.
7858 (update_reference_counts): New.
7859 (build_mp_info): New.
7860 (compute_memory_partitions): Refactor.
7861 Document new heuristic.
7862 Call build_mp_info, update_reference_counts,
7863 find_partition_for and estimate_vop_reduction.
7864 (compute_may_aliases): Populate virtual operands before
7865 calling debugging dumps.
7866 (delete_mem_sym_stats): New.
7867 (delete_mem_ref_stats): New.
7868 (init_mem_ref_stats): New.
7869 (init_alias_info): Call it.
7870 (maybe_create_global_var): Remove alias_info argument.
7871 Get number of call sites and number of pure/const call sites
7872 from gimple_mem_ref_stats().
7873 (dump_alias_info): Call dump_memory_partitions first.
7874 (dump_points_to_info_for): Show how many times a pointer has
7875 been dereferenced.
7876 * opts.c (decode_options): For -O2 set --param
7877 max-aliased-vops to 500.
7878 For -O3 set --param max-aliased-vops to 1000 and --param
7879 avg-aliased-vops to 3.
7880 * fortran/options.c (gfc_init_options): Remove assignment to
7881 MAX_ALIASED_VOPS.
7882 * tree-flow-inline.h (gimple_mem_ref_stats): New.
7883 * tree-dfa.c (dump_variable): Dump memory reference
7884 statistics.
7885 Dump NO_ALIAS* settings.
7886 (referenced_var_lookup): Tidy.
7887 (mem_sym_stats): New.
7888 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
7889 and ORIG are different SSA names for a memory partition.
7890 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
7891 * tree-flow.h (struct mem_sym_stats_d): Define.
7892 (mem_sym_stats_t): Define.
7893 (struct mem_ref_stats_d): Define.
7894 (struct gimple_df): Add field mem_ref_stats.
7895 (enum noalias_state): Define.
7896 (struct var_ann_d): Add bitfield noalias_state.
7897 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
7898 debug_mem_ref_stats, debug_memory_partitions,
7899 debug_mem_sym_stats): Declare.
7900 * tree-ssa-structalias.c (update_alias_info): Update call
7901 sites, pure/const call sites and asm sites in structure
7902 returned by gimple_mem_ref_stats.
7903 Remove local variable IS_POTENTIAL_DEREF.
7904 Increase NUM_DEREFS if the memory expression is a potential
7905 dereference.
7906 Call update_mem_sym_stats_from_stmt.
7907 If the memory references memory, call
7908 update_mem_sym_stats_from_stmt for all the direct memory
7909 symbol references found.
7910 (intra_create_variable_infos): Set noalias_state field for
7911 pointer arguments according to the value of
7912 flag_argument_noalias.
7913 * tree-ssa-structalias.h (struct alias_info): Remove fields
7914 num_calls_found and num_pure_const_calls_found.
7915 (update_mem_sym_stats_from_stmt): Declare.
7916 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
7917 Set default value to 100.
7918 (PARAM_AVG_ALIASED_VOPS): Define.
7919
7920 2007-04-11 Richard Guenther <rguenther@suse.de>
7921
7922 PR middle-end/31530
7923 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
7924 a * -b + c as c - a * b if we honor sign dependent rounding.
7925
7926 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7927
7928 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
7929 bfin_expand_strmov.
7930 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
7931 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
7932 variables.
7933 (initialize_trampoline): Don't use old-style function definition.
7934 (bfin_secondary_reload): Mark IN_P argument as unused.
7935
7936 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
7937
7938 PR tree-optimization/31343
7939 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
7940 (build_polynomial_chrec): Return a scalar when the evolution is zero.
7941 * testsuite/gcc.dg/vect/pr31343.c: New.
7942
7943 2007-04-10 Eric Christopher <echristo@apple.com>
7944
7945 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
7946 * config/i386/i386.md (*cmpfp0): Use.
7947 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7948 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7949 (fix_trunc<mode>_i386_fisttp): Ditto.
7950 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7951 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7952 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7953 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7954 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7955 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7956 (unnamed_splitters): Ditto.
7957 * config/i386/i386.c (output_fix_trunc): Assert that
7958 we're not being passed a TFmode operand.
7959
7960 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
7961
7962 PR tree-optimization/31526
7963 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
7964 n_basic_blocks to find newly added blocks.
7965
7966 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
7967
7968 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
7969 alternative.
7970 (fix_trunc<mode>si_sse): Ditto.
7971 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
7972 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
7973 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
7974 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
7975 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
7976 expander using SSEMODEF mode macro.
7977 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
7978 expander using SSEMODEF mode macro.
7979 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
7980 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
7981 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
7982 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
7983 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
7984 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
7985 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
7986 Macroize insn using X87MODEF mode macro.
7987
7988 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
7989
7990 * config/i386/sse.md (sse2_pinsrw): Removed.
7991 (sse2_pextrw): Renamed to ...
7992 (*sse2_pextrw): This.
7993
7994 2007-04-09 Jan Hubicka <jh@suse.cz>
7995
7996 PR target/27869
7997 * config/i386/sse.md
7998 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
7999 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
8000 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
8001 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
8002
8003 2007-04-09 Jan Hubicka <jh@suse.cz>
8004
8005 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
8006 multiple fields of union.
8007
8008 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
8009
8010 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
8011 (create_preheaders): Check that loops are available.
8012 (fix_loop_structure): Clean up, improve comments.
8013 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
8014 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
8015 state flags.
8016 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
8017 * predict.c (tree_estimate_probability): Do not call
8018 calculate_dominance_info. Call create_preheaders.
8019 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
8020 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
8021 flags.
8022 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
8023 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
8024 * tree-cfg.c (tree_split_edge): Make an assert more precise.
8025 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
8026 arguments.
8027
8028 2007-04-08 Jan Hubicka <jh@suse.cz>
8029
8030 * tree.h (maybe_fold_offset_to_component_ref): Declare.
8031 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
8032 * fold-const.c (fold_unary): Use it.
8033
8034 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
8035
8036 * varasm.c (assemble_variable): Remove call to
8037 lang_hooks.decls.prepare_assemble_variable.
8038 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
8039 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
8040 * langhooks.h (lang_hooks_for_decls): Remove
8041 prepare_assemble_variable.
8042
8043 2007-04-08 Mike Stump <mrs@apple.com>
8044
8045 * config/i386/i386.c: Use inc/dec on Core2.
8046
8047 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
8048
8049 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
8050 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8051 lhd_tree_inlining_end_inlining): Remove.
8052 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
8053 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
8054 end_inlining hooks.
8055 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
8056 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8057 lhd_tree_inlining_end_inlining): Remove prototypes.
8058 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
8059 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8060 LANG_HOOKS_TREE_INLINING_START_INLINING,
8061 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
8062
8063 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
8064 not set it.
8065
8066 2007-04-08 Anatoly Sokolov <aesok@post.ru>
8067
8068 PR target/29932
8069 * config/avr/predicates.md (io_address_operand): Delete predicate.
8070 (low_io_address_operand): Don't use 'mode' argument.
8071 (higth_io_address_operand): Rename ...
8072 (high_io_address_operand): ... to this. Don't use 'mode' argument.
8073 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
8074 for above change.
8075
8076 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
8077
8078 Revert change removing staticp.
8079
8080 2007-04-07 Anatoly Sokolov <aesok@post.ru>
8081
8082 PR target/30289
8083 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
8084 earlyclobber.
8085
8086 2007-04-07 Bruce Korb <bkorb@gnu.org>
8087
8088 * c.opt: Add -Wformat-contains-nul.
8089 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
8090 -Wformat setting.
8091 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
8092 the NUL byte warning.
8093
8094 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
8095
8096 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
8097
8098 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8099
8100 * tree.c (staticp): No longer use staticp langhook.
8101 * langhooks.c (lhd_staticp): Removed.
8102 * langhooks.h (struct lang_hooks): Remove staticp.
8103 * c-common.c (c_staticp): Remove.
8104 * c-common.h (c_staticp): Ditto.
8105 * langhooks-defs.h (lhd_staticp): Ditto.
8106 (LHD_HOOKS_STATICP): Ditto
8107 * tree.h (gcc_assert_lowered): New macro.
8108
8109 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
8110
8111 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
8112 argument "reliable".
8113 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
8114 Add argument "reliable". Propagate it through calls.
8115 (infer_loop_bounds_from_undefined): Derive number of iterations
8116 estimates from references in blocks that do not dominate loop latch.
8117 (gcov_type_to_double_int): New function.
8118 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
8119 and expected_loop_iterations_unbounded.
8120 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
8121 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
8122 * tree-data-ref.c (estimated_loop_iterations): Export.
8123 (get_references_in_stmt): Fix -- do not return addresses of local
8124 objects.
8125 * cfgloop.h (expected_loop_iterations_unbounded,
8126 estimated_loop_iterations): Declare.
8127
8128 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
8129
8130 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
8131
8132 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8133
8134 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8135 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
8136 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
8137 Use output_387_reg_move().
8138 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
8139 expander using X87MODEF12 mode macro.
8140 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
8141 choosing register preferences. Use output_387_reg_move().
8142 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
8143 instead of "x". Use output_387_reg_move().
8144 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
8145 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
8146 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
8147 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
8148 Use output_387_reg_move().
8149 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
8150 mode macro.
8151 (*truncxf?f_i387 splitter): Ditto.
8152
8153 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8154
8155 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8156 LANG_HOOKS_SAFE_FROM_P.
8157 * expr.c (safe_from_p): Remove langhook call.
8158 * langhooks.h (lang_hooks): Remove safe_from_p.
8159 (lhd_safe_from_p): Remove prototype.
8160 * langhooks.c (lhd_safe_from_p): Remove.
8161
8162 2007-04-06 Jan Hubicka <jh@suse.cz>
8163
8164 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
8165 functions.
8166
8167 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8168
8169 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
8170 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
8171 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
8172 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
8173 alternative.
8174 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
8175 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
8176
8177 2007-04-05 Richard Henderson <rth@redhat.com>
8178
8179 * config/alpha/alpha.c (print_operand) [+]: Remove.
8180 (alpha_end_function): Print nop if call at end of function.
8181 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
8182 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
8183 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
8184 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
8185 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
8186 the call pattern. Update peepholes to match.
8187
8188 2007-04-05 Janis Johnson <janis187@us.ibm.com>
8189
8190 * doc/extend.texi (Other Builtins): Add decimal float variants
8191 of signbit.
8192 * builtins.def: Ditto.
8193 * builtins.c (expand_builtin): Ditto.
8194
8195 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
8196 H.J. Lu <hongjiu.lu@intel.com>
8197
8198 PR target/31478
8199 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
8200 of V8HImode when calling ix86_binary_operator_ok.
8201 (sse2_pmaddwd): Call ix86_binary_operator_ok.
8202 (sdot_prodv8hi): Operands 1 and 2 must be register.
8203
8204 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8205
8206 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
8207 initialize align to silence bogus warning.
8208
8209 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8210
8211 PR middle-end/22156
8212 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
8213 all_no_warning.
8214 (struct sra_walk_fns): Remove use_all parameter from use.
8215 (sra_hash_tree): Handle BIT_FIELD_REFs.
8216 (sra_elt_hash): Don't hash bitfld blocks.
8217 (sra_elt_eq): Skip them in parent compares as well. Handle
8218 BIT_FIELD_REFs.
8219 (sra_walk_expr): Don't maintain or pass down use_all_p.
8220 (scan_use): Remove use_all parameter.
8221 (scalarize_use): Likewise. Re-expand assignment to
8222 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
8223 output, and re-scalarize after output. Don't mark anything
8224 for no warning.
8225 (scalarize_ldst): Adjust.
8226 (scalarize_walk_gimple_modify_statement): Likewise.
8227 (build_element_name_1): Handle BIT_FIELD_REFs.
8228 (instantiate_element): Don't warn for any element whose parent
8229 is used as a whole.
8230 (instantiate_missing_elements_1): Return the sra_elt.
8231 (canon_type_for_field): New.
8232 (try_instantiate_multiple_fields): New.
8233 (instantiate_missing_elemnts): Use them.
8234 (mark_no_warning): Removed.
8235 (generate_one_element_ref): Handle BIT_FIELD_REFs.
8236 (REPLDUP, sra_build_elt_assignment): New.
8237 (generate_copy_inout): Use them.
8238 (generate_element_copy): Likewise. Handle bitfld differences.
8239 (generate_element_zero): Don't recurse for blocks. Use
8240 sra_build_elt_assignment.
8241 (generate_one_element_int): Take elt instead of var. Use
8242 sra_build_elt_assignment.
8243 (generate_element_init_1): Adjust.
8244 (scalarize_use, scalarize_copy): Use REPLDUP.
8245 (scalarize_ldst): Move assert before dereference.
8246 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
8247
8248 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8249
8250 * regmove.c: Fix unused variable warnings due to previous commit.
8251
8252 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8253
8254 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
8255 (regmove_bb_head): Remove.
8256 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
8257 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
8258 problems with fixup_match_1.
8259 Don't initialize/free regmove_bb_head.
8260
8261 (reg_is_remote_constant_p): If an insn is in the same basic block
8262 but not before INSN, consider it remote, too.
8263
8264 2007-04-05 Anatoly Sokolov <aesok@post.ru>
8265
8266 PR target/25448
8267 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
8268 DECL_ASSEMBLER_NAME, not the DECL_NAME.
8269
8270 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
8271
8272 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
8273 (CONDITIONAL_REGISTER_USAGE): Likewise.
8274
8275 2007-04-04 Richard Henderson <rth@redhat.com>
8276
8277 * config/alpha/lib1funcs.asm: Remove unused file.
8278
8279 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8280
8281 PR other/31356
8282 * opts.c (print_specific_help): Fix --help=<language>
8283 header line.
8284 (common_handle_option): Support --help=common.
8285
8286 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8287
8288 PR other/31353
8289 * gcc.c (main): Do not run the linker if
8290 print_subprocess_help indicates that it shouldn't be
8291 run.
8292
8293 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8294
8295 PR doc/31355
8296 * doc/invoke.texi (--help=): Document <languages> value, fix
8297 formatting in tables of values.
8298
8299 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
8300
8301 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
8302 dllimport attribute of virtual methods.
8303
8304 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
8305
8306 * config/score/crti.asm: Change _bss_start to __bss_start.
8307 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
8308 (OUTGOING_REG_PARM_STACK_SPACE) update.
8309 * config/score/score.opt: add options to make backend support
8310 score5, score5u, score7 and score7d.
8311 * config/score/score.md: Likewise.
8312 * config/score/misc.md: Likewise.
8313 * config/score/mac.md: Likewise.
8314 * doc/invoke.texi: Likewise.
8315 * doc/md.texi: update constraints define.
8316
8317 2007-04-03 Richard Henderson <rth@redhat.com>
8318
8319 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
8320 an appropriate type, use the mode instead.
8321
8322 2007-04-03 Richard Sandiford <richard@codesourcery.com>
8323
8324 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
8325 Set the default --with-arch setting to mips2.
8326 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
8327 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
8328 (MULTILIB_OSDIRNAMES): Delete.
8329 (MULTILIB_DIRNAMES): Define.
8330 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
8331 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
8332 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
8333 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
8334 VXWORKS_OS_CPP_BUILTINS.
8335 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
8336 (MIPS_DEBUGGING_INFO): Undefine.
8337 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
8338
8339 2007-04-03 Jakub Jelinek <jakub@redhat.com>
8340
8341 PR middle-end/30704
8342 * fold-const.c (native_encode_real): Encode real.c provided longs
8343 as a series of 32-bit native integers.
8344 (native_interpret_real): Interpret buffer as a series of 32-bit
8345 native integers.
8346
8347 2007-04-03 Richard Guenther <rguenther@suse.de>
8348
8349 * genpreds.c (write_insn_constraint_len): Write function
8350 optimized for CONSTRAINT_LEN implementation.
8351 (write_tm_preds_h): Output insn_constraint_len inline and
8352 use it for CONSTRAINT_LEN.
8353 (write_insn_preds_c): Don't output insn_constraint_len.
8354 * doc/md.texi (define_register_constraint): Document multi-letter
8355 constraints shall have the same length if they start with the same
8356 letter.
8357
8358 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8359
8360 PR target/31175
8361 * config/i386/i386.md (isinf<mode>2): Expand only when
8362 TARGET_C99_FUNCTIONS is set.
8363
8364 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8365
8366 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
8367 (x86_64-*-linux*): Ditto.
8368 * config/i386/i386.opt (mpc): New option.
8369 * config/i386/i386.c (overrride_options): Handle
8370 ix87_precision_string.
8371 * config/i386/crtprec.c: New file.
8372 * config/i386/t-crtpc: Ditto.
8373 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
8374 and -mpc80 options.
8375 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
8376 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8377 crtprec32.o, crtprec64.o and crtprec80.o.
8378
8379 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
8380 and -mpc80 options.
8381 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
8382
8383 2007-04-02 Eric Christopher <echristo@apple.com>
8384
8385 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
8386 limitations on darwin.
8387
8388 2007-04-02 Anatoly Sokolov <aesok@post.ru>
8389
8390 PR target/31137
8391 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
8392
8393 2007-04-02 Dave Korn <dave.korn@artimi.com>
8394
8395 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
8396
8397 2007-04-02 Dave Korn <dave.korn@artimi.com>
8398
8399 * libgcc2.h (exception_descriptor): Don't forward-declare.
8400 (__get_eh_table_language, __get_eh_table_version): Delete
8401 prototypes of long-dead functions.
8402
8403 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
8404
8405 * ebitmap.h: New file
8406 * ebitmap.c: New file
8407 * Makefile.in (ebitmap.o): New target.
8408
8409 2007-04-01 Jan Hubicka <jh@suse.cz>
8410
8411 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
8412 before very first instruction.
8413
8414 2007-04-01 Jan Hubicka <jh@suse.cz>
8415
8416 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
8417 waring on 64bit hosts.
8418 * bitmap.h: Fix typo in bitmap_head_def.
8419
8420 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
8421
8422 PR rtl-optimization/31391
8423 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
8424 into a DELETED_LABEL note, and the label is in an empty basic
8425 block, update BB_END as well as BB_HEAD.
8426
8427 2007-04-01 Richard Henderson <rth@redhat.com>
8428
8429 PR tree-optimization/31169
8430 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
8431 to varying if the range is outside [0, prec-1].
8432
8433 2007-04-01 Richard Sandiford <richard@codesourcery.com>
8434
8435 PR target/31388
8436 * config/mips/mips.md (load_const_gp): New insn.
8437 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
8438 the MIPS16 GP pseudo register if no_new_pseudos.
8439 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
8440
8441 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
8442
8443 PR target/31364
8444 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
8445 secureplt.
8446 (call_value): Likewise.
8447
8448 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
8449 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8450
8451 PR 14737
8452 * doc/invoke.texi: (optimization options): Reword description
8453 of -ffast-math. Document its primary purpose.
8454
8455 2007-03-31 Richard Guenther <rguenther@suse.de>
8456
8457 * omp-low.c (splay-tree.h): Include.
8458 (lookup_decl): Replace splay-tree usage by pointer-map.
8459 (maybe_lookup_decl): Likewise.
8460 (new_omp_context): Likewise.
8461 (delete_omp_context): Likewise.
8462 * gimplify.c (splay-tree.h): Include.
8463 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
8464 pointer-map.
8465 (remap_ssa_name): Likewise.
8466 (remap_decl): Likewise.
8467 (remap_type_1): Likewise.
8468 (remap_type): Likewise.
8469 (copy_body_r): Likewise.
8470 (expand_call_inline): Likewise.
8471 (clone_body): Likewise.
8472 (copy_tree_r): Likewise.
8473 (remap_save_expr): Likewise.
8474 (unsave_r): Likewise.
8475 (unsave_expr_now): Likewise.
8476 (tree_function_versioning): Likewise.
8477 (build_duplicate_type): Likewise.
8478 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
8479 (struct copy_body_data): Replace splay-tree by pointer-map.
8480 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
8481 not $(SPLAY_TREE_H).
8482 (gimplify.o): Depend on $(SPLAY_TREE_H).
8483 (omp-low.p): Likewise.
8484
8485 2007-03-31 Anatoly Sokolov <aesok@post.ru>
8486
8487 * config/avr/predicates.md (even_register_operand,
8488 odd_register_operand): New predicates.
8489 * config/avr/avr.md (movw peephole2): New.
8490 (movw_r peephole2): New.
8491
8492 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
8493
8494 * tree.h (get_signed_or_unsigned_type): New.
8495 * fold-const.c (operand_equal_for_comparison_p): Use
8496 get_signed_or_unsigned_type instead of
8497 lang_hooks.types.signed_or_unsigned_type.
8498 * expr.c (store_expr): Ditto.
8499 * langhooks.c (get_signed_or_unsigned_type): New.
8500 (lhd_signed_or_unsigned_type): New.
8501 * langhooks.h (lhd_signed_or_unsigned_type): New.
8502 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
8503
8504 2007-03-30 Richard Henderson <rth@redhat.com>
8505
8506 * tree-ssa-loop-ivopts.c: Include target.h.
8507 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
8508 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
8509 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
8510 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
8511
8512 2007-03-30 Richard Henderson <rth@redhat.com>
8513 Kai Tietz <kai.tietz@onevision.com>
8514
8515 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
8516 default for 64-bit.
8517 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
8518 (TARGET_64BIT_MS_ABI): New.
8519 (DBX_REGISTER_NUMBER): Handle 64-bit.
8520 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
8521 (LONG_TYPE_SIZE): Force to 32.
8522 (REG_PARM_STACK_SPACE): New.
8523 (OUTGOING_REG_PARM_STACK_SPACE): New.
8524 (REGPARM_MAX, SSE_REGPARM_MAX): New.
8525 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8526 (STACK_BOUNDARY): Use 128 for 64-bit.
8527 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
8528 Add 64-bit implementation.
8529 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
8530 argument unused.
8531 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
8532 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
8533 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
8534 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
8535 (ix86_handle_cconv_attribute): Don't warn when ignoring if
8536 TARGET_64BIT_MS_ABI.
8537 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
8538 (ix86_pass_by_reference): Likewise.
8539 (ix86_function_value_regno_p): Likewise.
8540 (ix86_build_builtin_va_list): Likewise.
8541 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
8542 (function_arg_advance_ms_64): New.
8543 (function_arg_advance): Call it.
8544 (function_arg_ms_64): New.
8545 (function_arg): Call it.
8546 (function_value_ms_64): New.
8547 (ix86_function_value_1): Call it.
8548 (return_in_memory_ms_64): New.
8549 (ix86_return_in_memory): Call it.
8550 (setup_incoming_varargs_ms_64): New.
8551 (ix86_setup_incoming_varargs): Call it.
8552 (ix86_expand_prologue): Handle 64-bit stack probing.
8553 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
8554 (output_pic_addr_const): Likewise.
8555 (x86_this_parameter): Likewise.
8556 (x86_output_mi_thunk): Likewise.
8557 (x86_function_profiler): Likewise.
8558 (TARGET_STRICT_ARGUMENT_NAMING): New.
8559 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
8560 (TARGET_64BIT_MS_ABI): New.
8561 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
8562 * config/i386/i386.md (allocate_stack_worker): Remove.
8563 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
8564 describe the clobber of eax without a match_scratch.
8565 (allocate_stack_worker_postreload): Remove.
8566 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
8567 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
8568 (allocate_stack_worker_rex64_postreload): Remove.
8569 (allocate_stack): Handle 64-bit.
8570 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
8571 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
8572 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
8573 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
8574 (STANDARD_STARTFILE_PREFIX_1): Likewise.
8575 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
8576 * config.build (x86_64-*-mingw*): New host.
8577 * config.host (x86_64-*-mingw*): New host.
8578 * config.gcc (x86_64-*-mingw*): New target.
8579 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
8580
8581 2007-03-30 Richard Henderson <rth@redhat.com>
8582 Kai Tietz <kai.tietz@onevision.com>
8583
8584 * c-pragma.c (struct def_pragma_macro_value): New.
8585 (struct def_pragma_macro): New.
8586 (pushed_macro_table): New.
8587 (dpm_hash, dpm_eq): New.
8588 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
8589 (init_pragma): Install them.
8590 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8591
8592 2007-03-30 Anatoly Sokolov <aesok@post.ru>
8593
8594 * config/avr/avr.c (avr_override_options): Clear
8595 'flag_delete_null_pointer_checks'.
8596
8597 2007-03-30 Paolo Carlini <pcarlini@suse.de>
8598
8599 PR c++/26099
8600 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
8601 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
8602 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
8603 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
8604 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
8605 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
8606 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
8607 C++ extensions.
8608 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
8609
8610 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
8611
8612 * regmove.c: Move all of pass_stack_adjustments from here...
8613 * combine-stack-adj.c: ...to this new file.
8614 * Makefile.in: Add rules for combine-stack-adj.o.
8615
8616 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
8617
8618 PR tree-optimization/31383
8619 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
8620 to have the same length.
8621
8622 2007-03-30 Jan Hubicka <jh@suse.cz>
8623
8624 PR middle-end/30700
8625 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
8626 availablility; add more sanity checking; ask varpool only about
8627 VAR_DECL.
8628
8629 2007-03-29 Richard Henderson <rth@redhat.com>
8630
8631 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
8632 to decide, but __SIZEOF_LONG_LONG__.
8633
8634 2007-03-29 Richard Henderson <rth@redhat.com>
8635
8636 * emutls.c (struct __emutls_array): New.
8637 (emutls_destroy): Use it instead of casting element 0 from void*.
8638 (__emutls_get_address): Likewise.
8639
8640 2007-03-29 Richard Henderson <rth@redhat.com>
8641
8642 * varasm.c (initializer_constant_valid_p): Don't deny
8643 DECL_DLLIMPORT_P on functions.
8644
8645 * config/i386/cygming.h: Remove function declarations.
8646 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
8647 (ASM_OUTPUT_LABELREF): Remove.
8648 (COMMON_ASM_OP): Remove.
8649 (ASM_OUTPUT_COMMON): Remove.
8650 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
8651 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
8652 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8653 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
8654 Rename from TARGET_ENCODE_SECTION_INFO.
8655 * config/i386/netware.h: Likewise.
8656 * config/i386/i386-protos.h: Update.
8657 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
8658 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
8659 (legitimate_constant_p): Reject dllimports.
8660 (dllimport_map, get_dllimport_decl): New.
8661 (legitimize_dllimport_symbol): New.
8662 (legitimize_address, ix86_expand_move): Use it.
8663 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
8664 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
8665 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
8666 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
8667 * config/i386/predicates.md (constant_call_address_operand): Only
8668 accept symbols; reject dllimport_p symbols.
8669 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
8670 i386_pe_maybe_record_exported_symbol.
8671 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
8672 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
8673 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
8674 trust the setting of DECL_DLLIMPORT_P.
8675 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
8676 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
8677 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
8678 tidy the argument scanning loop.
8679 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
8680 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
8681 (i386_pe_strip_name_encoding): Remove.
8682 (i386_pe_binds_local_p): New.
8683 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
8684 (i386_pe_output_labelref): Remove.
8685 (i386_pe_asm_output_aligned_decl_common): New.
8686 (i386_pe_maybe_record_exported_symbol): Rename from
8687 i386_pe_record_exported_symbol; check for dllexported symbols.
8688
8689 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
8690
8691 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
8692 add comment explaining why vsnprintf cannot be used.
8693
8694 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
8695
8696 PR tree-optimization/30666
8697 * tree.c (build_complex_type): When creating type names for DWARF2
8698 debug info, create TYPE_DECLs for TYPE_NAME instead of
8699 IDENTIFIER_NODEs.
8700 (build_common_tree_nodes_2): Use build_complex_type when building
8701 predefined complex types, to preserve canonical types.
8702
8703 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
8704
8705 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
8706 (noce_get_alt_condition): Look at it to determine whether to
8707 reverse the condition or not.
8708 (noce_get_condition): Substitute the truth for lies.
8709 (noce_find_if_block): Set the then_else_reversed field.
8710
8711 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
8712
8713 * config/fr30/fr30.md (movdi): Do not accept immediates as the
8714 destination of this insn.
8715 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
8716 than calling gen_rtx_SET directly. Use r0 to hold the value of
8717 'address + 4' rather than a stack based temporary which can be
8718 mis-optimized away.
8719
8720 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8721
8722 * config/s390/s390.c (s390_secondary_input_reload_class,
8723 s390_secondary_output_reload_class): Functions removed.
8724 (s390_secondary_reload): New function.
8725 (TARGET_SECONDARY_RELOAD): Target macro defined.
8726 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
8727 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
8728 * config/s390/s390.md ("reload_outti", "reload_outdi",
8729 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
8730 "reload_out<mode>"): Expanders removed.
8731 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
8732 "reload<mode>_nonoffmem_out"): Expanders added.
8733
8734 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8735
8736 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
8737 SRC->DEST replacement failed anyway.
8738
8739 2007-03-28 Mike Stump <mrs@apple.com>
8740
8741 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
8742 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
8743 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
8744
8745 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8746
8747 * config.gcc: Accept barcelona as a variant of amdfam10.
8748 * config/i386/i386.c (override_options): Likewise.
8749 * doc/invoke.texi: Likewise.
8750
8751 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
8752
8753 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
8754 offsets for BIT_FIELD_REF and COMPONENT_REF.
8755
8756 2007-03-28 Richard Guenther <rguenther@suse.de>
8757
8758 * tree.c (is_global_var): Move ...
8759 * tree-flow-inline.h (is_global_var): ... here.
8760 * tree.h (is_global_var): Remove declaration.
8761
8762 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
8763
8764 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
8765 option.
8766 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
8767 * config/i386/i386.c (ix86_tune_features): Initialize new
8768 tuning option.
8769 * config/i386/predicates.md (promotable_binary_operator): Use
8770 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
8771
8772 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8773
8774 PR target/31380
8775 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
8776
8777 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
8778
8779 * config/fr30/fr30.md (movsi_internal): Change destination
8780 constraint from m to V and add m to the end.
8781
8782 2007-03-28 Christian Bruel <christian.bruel@st.com>
8783
8784 * config/sh/sh.md (movsi_i): Fix type attribute.
8785
8786 2007-03-28 Christian Bruel <christian.bruel@st.com>
8787
8788 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
8789 (movsf_ie): Likewise.
8790
8791 2007-03-28 Christian Bruel <christian.bruel@st.com>
8792
8793 * config.gcc: Add sh4-300 to multilib.
8794 * config/sh/t-mlib-sh4-300: New file.
8795
8796 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
8797
8798 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
8799 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
8800 fix_trunc<mode>di2.
8801 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
8802 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
8803 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
8804 "fixuns_trunctddi2"): Whitespace fix.
8805
8806 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8807
8808 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
8809 the definition of struct sh_args.
8810 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
8811 CALL_COOKIE_INT_REG_GET): Likewise.
8812
8813 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
8814
8815 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
8816 transformations are applied successfully.
8817
8818 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
8819
8820 * tree.c (tree_contains_struct): Permit 512 tree codes.
8821 * tree.h (tree_contains_struct): Ditto.
8822 (MAX_TREE_CODES): Ditto.
8823 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
8824 SPARE member to store remaining padding bits.
8825
8826 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8827
8828 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
8829 architecture.
8830
8831 2007-03-27 Janis Johnson <janis187@us.ibm.com>
8832
8833 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
8834 * configure: Regenerate.
8835
8836 * configure: Regenerate using the correct version of autoconf.
8837
8838 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8839
8840 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
8841 pointer regs.
8842 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
8843 regs to "__SP_L__" and "__SP_H__".
8844
8845 2007-03-27 Richard Guenther <rguenther@suse.de>
8846
8847 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
8848 computations with it with a HOST_WIDE_INT variable.
8849
8850 2007-03-26 Mike Stump <mrs@apple.com>
8851
8852 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
8853 objective-c-header, objective-c++-header and objc++-cpp-output
8854 support.
8855 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
8856
8857 2007-03-26 Richard Henderson <rth@redhat.com>
8858
8859 PR target/31361
8860 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
8861 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
8862 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
8863 IX86_BUILTIN_PSRLQ128): New.
8864 (ix86_init_mmx_sse_builtins): Add them.
8865 (ix86_expand_builtin): Expand them.
8866 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
8867 operand 2 be TImode.
8868 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
8869 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
8870 _mm_srli_epi64): Mark __B const.
8871 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
8872 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
8873 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
8874 new two-vector shift builtins.
8875
8876 2007-03-26 Ian Lance Taylor <iant@google.com>
8877
8878 PR tree-optimization/31345
8879 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
8880 [+INF, +INF(OVF)] into VARYING.
8881
8882 2007-03-26 Zack Weinberg <zackw@panix.com>
8883
8884 * gengtype-parse.c: New file.
8885 * gengtype-yacc.y: Delete.
8886 * gengtype-lex.l: Don't include gengtype-yacc.h.
8887 Define YY_DECL and yyterminate appropriately for recursive
8888 descent parser. yylval is now a string out-parameter to yylex.
8889 (HWS, EOID): New shorthand.
8890 (IWORD): Add a couple more types.
8891 (yylex): Add a setup stanza. Remove the complex rules for
8892 detecting GTY'ed types and typedefs; replace with simple
8893 keyword detectors. Adjust everything for the changed
8894 definition of yylval. Ignore all pp-directives, not just #define.
8895 (yyerror): Delete.
8896 (parse_file): Rename yybegin; do not call yyparse.
8897 (yyend): New.
8898 * gengtype.c (xasprintf): Export again.
8899 (this_file): New. Use everywhere __FILE__ was being used.
8900 (get_lang_bitmap): Special case types defined in gengtype.c.
8901 (do_typedef, new_structure): Suppress definition of certain types.
8902 (new_structure): Improve diagnostics of duplicate definitions.
8903 Make sure location_s is associated with input.h.
8904 (nreverse_pairs, define_location_structures): New functions.
8905 (main): Improve tagging of kludge types. Remove old kludges
8906 for input.h types; use define_location_structures.
8907 * gengtype.h: Update prototypes. Define token codes here.
8908 * Makefile.in: Remove all references to gengtype-yacc.
8909 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
8910 and gengtype.
8911 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
8912 add GTY((skip)) to the field that's only conditionally there.
8913 * doc/install.texi: Document that Bison is no longer required
8914 unless building treelang.
8915
8916 * gengtype.c: Don't include gtyp-gen.h.
8917 (srcdir): Declare here.
8918 (base_files, lang_dir_names): Allocate dynamically.
8919 (gt_files, num_gt_files, num_lang_dirs): New globals.
8920 (measure_input_list, read_input_line, read_input_list)
8921 (set_lang_bitmap): New functions.
8922 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
8923 simplify, relying on read_input_list to set up the bitmaps.
8924 (main): Arguments are no longer unused. Check for correct number
8925 of command line arguments, set srcdir and srcdir_len, then call
8926 read_input_list, before doing anything else. No need to worry
8927 about duplicates in main loop.
8928 * configure.ac: Simplify the calculation of all_gtfiles.
8929 Put language tags in there. Don't set or substitute
8930 all_gtfiles_files_langs or all_gtfiles_files_frags.
8931 * Makefile.in: Revamp the way gengtype is invoked, now that it
8932 takes a file on its command line with a much simpler format.
8933 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
8934 (GTFILES): Remove duplicates and C source files.
8935 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
8936 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
8937 * configure: Regenerate.
8938
8939 * gengtype.h: Remove all type definitions to gengtype.c; leave
8940 only definitions of options_p, type_p, and pair_p as opaque
8941 pointers. Update prototypes.
8942 * gengtype.c: Many type definitions moved here from gengtype.h.
8943 Consolidate type definitions at the top of the file.
8944 (xvasprintf): Delete.
8945 (xasprintf): Make static.
8946 (create_nested_pointer_option): Add 'next' parameter.
8947 (create_field_all, create_field_at): New functions.
8948 (create_field): Now a thin wrapper around create_field_all.
8949 (create_optional_field): Rename create_optional_field_ and add
8950 line argument. Original name is now a macro which supplies
8951 __LINE__.
8952 (oprintf): Use vsnprintf directly.
8953 (close_output_files): Use fatal rather than perror/exit.
8954 (note_def_vec, note_def_vec_alloc): Use create_field_at.
8955 (main): Set progname. Don't use exit.
8956 * gengtype-yacc.y (struct_fields): Use create_field_at.
8957 (option, optionseqopt): Delete.
8958 (optionseq): Consolidate productions from option here so we
8959 can use the first argument to create_option.
8960
8961 * gengtype-lex.l: Distinguish unions from structures in the
8962 token type. Don't call find_structure; return the tag as a string.
8963 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
8964 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
8965 Reorganize typedef_struct production accordingly.
8966 Use create_nested_ptr_option.
8967 * gengtype.c (create_nested_ptr_option): New function.
8968 * gengtype.h: Declare it.
8969
8970 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
8971 (string_type): Don't declare.
8972 (do_scalar_typedef): Declare.
8973 (create_scalar_type): Update prototype.
8974 * gengtype.c (string_type): Make static.
8975 (scalar_nonchar, scalar_char): New.
8976 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
8977 (resolve_typedef): Use scalar_nonchar for error recovery.
8978 (create_scalar_type): Remove name_len field. Return scalar_char
8979 or scalar_nonchar as appropriate.
8980 (adjust_field_type): Look at scalar_is_char boolean to decide whether
8981 to use string_type.
8982 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
8983 whenever possible.
8984 (main): Initialize scalar_char and scalar_nonchar before calling
8985 gen_rtx_next.
8986 * gengtype-lex.l: Adjust for removal of second argument to
8987 create_scalar_type. Use yylval.s instead of yylval.t when
8988 returning SCALAR.
8989 * gengtype-yacc.y: Type of SCALAR is string. Call
8990 create_scalar_type from type:SCALAR rule. Adjust for removal of
8991 second argument to create_scalar_type.
8992
8993 * vec.h: Remove all #if IN_GENGTYPE blocks.
8994 Add comment saying that changes may require adjustments to gengtype.
8995 * gengtype.c: Don't include coretypes.h or tm.h.
8996 Add comment to inclusion of errors.h.
8997 (note_def_vec, note_def_vec_alloc): New functions.
8998 * gengtype.h: Declare new functions.
8999 * gengtype-lex.l: Don't include coretypes.h.
9000 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
9001 Delete.
9002 (update_lineno): Remove unnecessary prototype.
9003 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
9004 (VEC rule): Just return VEC_TOKEN.
9005 * gengtype-yacc.y (VEC_TOKEN): New token type.
9006 (type): Add a production for VEC(a,b).
9007 * Makefile.in: Update dependencies.
9008
9009 * gengtype-lex.l: Remove rules for parsing pointer-to-function
9010 typedefs that use the old PARAMS macro.
9011
9012 * gengtype-lex.l: Remove all rules and states relating to yacc
9013 input files.
9014 * gengtype-yacc.y: Similarly.
9015 * gengtype.c (note_yacc_type): Delete function.
9016 * gengtype.h: Update prototypes.
9017
9018 2007-03-26 Joseph Myers <joseph@codesourcery.com>
9019
9020 * tree-pretty-print.c (dump_generic_node): Report precision of
9021 unnamed integer types.
9022
9023 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
9024
9025 * ifcvt.c (noce_try_store_flag_constants): Don't check
9026 no_new_pseudos here.
9027 (noce_try_store_flag_constants): Don't check no_new_pseudos.
9028 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
9029 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
9030 noce_try_sign_mask): Likewise.
9031 (if_convert): Check no_new_pseudos here.
9032
9033 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
9034 Remove prototypes.
9035 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
9036 (noce_get_condition): Handle new then_else_reversed argument.
9037 (noce_init_if_info): Remove, fold into noce_find_if_block.
9038 (noce_process_if_block): Take a struct noce_if_info as the
9039 argument. Don't set up one based on ce_if_info. Update pointer
9040 references accordingly.
9041 (cond_move_process_if_block): Likewise.
9042 (process_if_block): Removed.
9043 (find_if_block): Removed. Move functionality two new functions,
9044 noce_find_if_block and cond_exec_find_if_block.
9045 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
9046 blocks and the symmetric IF-ELSE-JOIN case.
9047 (cond_exec_find_if_block): Also new function mostly based on old
9048 find_if_block and process_if_block.
9049 (find_if_header): Replace find_if_block call with separately
9050 guarded calls to noce_find_if_block and cond_exec_find_if_block.
9051 (find_cond_trap): Update noce_get_condition call.
9052 (dead_or_predicable): Likewise.
9053
9054 2007-03-26 Jakub Jelinek <jakub@redhat.com>
9055
9056 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
9057 Remove.
9058 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
9059 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
9060 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
9061 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
9062 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
9063 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
9064 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
9065 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
9066 __builtin_ia32_psrad128 builtins.
9067
9068 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
9069
9070 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
9071 * config/i386/constraints.md
9072 (define_constraint "I"): Use IN_RANGE macro.
9073 (define_constraint "J"): Ditto.
9074 (define_constraint "K"): Ditto.
9075 (define_constraint "M"): Ditto.
9076 (define_constraint "N"): Ditto.
9077 (define_constraint "O"): Ditto.
9078 * config/i386/predicates.md
9079 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
9080 (define_predicate "const_0_to_3_operand"): Ditto.
9081 (define_predicate "const_0_to_7_operand"): Ditto.
9082 (define_predicate "const_0_to_15_operand"): Ditto.
9083 (define_predicate "const_0_to_63_operand"): Ditto.
9084 (define_predicate "const_0_to_255_operand"): Ditto.
9085 (define_predicate "const_1_to_31_operand"): Ditto.
9086 (define_predicate "const_2_to_3_operand"): Ditto.
9087 (define_predicate "const_4_to_7_operand"): Ditto.
9088
9089 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9090
9091 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
9092 in SImode for save_world.
9093 * config/rs6000/altivec.md (save_world, restore_world): Convert to
9094 LR hard reg.
9095
9096 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
9097
9098 PR tree-optimization/30784
9099 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
9100 BIT_FIELD_REF.
9101
9102 2007-03-25 Revital Eres <eres@il.ibm.com>
9103
9104 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
9105 Fold movement_possibility function into it.
9106
9107 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9108
9109 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
9110 (load_macho_picbase_{si,di}): Convert to LR hard reg.
9111 (call_indirect_nonlocal_darwin64): Same.
9112 (call_nonlocal_darwin64): Same.
9113 (call_value_indirect_nonlocal_darwin64): Same.
9114 (call_value_nonlocal_darwin64): Same.
9115 (sibcall_nonlocal_darwin64): Same.
9116 (sibcall_value_nonlocal_darwin64): Same.
9117 (sibcall_symbolic_64): Same.
9118 (sibcall_value_symbolic_64): Same.
9119 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
9120 LR pseudo.
9121 (rs6000_emit_load_toc_table): Same.
9122 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
9123 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
9124 (mull_call): Same.
9125 (divss_call): Same.
9126 (divus_call): Same.
9127 (quoss_call): Same.
9128 (quous_call): Same.
9129 (load_toc_v4_pic_si): Same
9130 (load_toc_v4_PIC_1): Same.
9131 (load_toc_v4_PIC_1b): Same.
9132 (call_indirect_aix{32,64}): Same.
9133 (call_value_indirect_aix{32,64}): Same.
9134 (call): Same.
9135 (call_value): Same.
9136 (call_local{32,64}): Same.
9137 (call_value_local{32,64}): Same.
9138 (call_indirect_nonlocal_aix{32,64}): Same.
9139 (call_nonlocal_aix{32,64}): Same.
9140 (call_value_indirect_nonlocal_aix{32,64}): Same.
9141 (call_value_nonlocal_aix{32,64}): Same.
9142 (call_indirect_nonlocal_sysv<mode>): Same.
9143 (call_nonlocal_sysv<mode>): Same.
9144 (call_value_indirect_nonlocal_sysv<mode>): Same.
9145 (call_value_nonlocal_sysv<mode>): Same.
9146 (sibcall): Same.
9147 (sibcall_local{32,64}): Same.
9148 (sibcall_value_local{32,64}): Same.
9149 (sibcall_nonlocal_aix{32,64}): Same.
9150 (sibcall_value_nonlocal_aix{32,64}): Same.
9151 (sibcall_nonlocal_sysv<mode>): Same.
9152 (sibcall_value): Same.
9153 (sibcall_value_nonlocal_sysv<mode>): Same.
9154
9155 2007-03-24 Paul Brook <paul@codesourcery.com>
9156
9157 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
9158 * config/arm/linux-eabi.h: Remove legacy syscall hack.
9159
9160 2007-03-24 Richard Henderson <rth@redhat.com>
9161
9162 * config/ia64/constraints.md: New file.
9163 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
9164 satisfies_constraint_?.
9165 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
9166 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
9167 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
9168 ia64_output_mi_thunk): Likewise.
9169 (ia64_const_ok_for_letter_p): Remove.
9170 (ia64_const_double_ok_for_letter_p): Remove.
9171 (ia64_extra_constraint): Remove.
9172 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
9173 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
9174 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
9175 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
9176 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
9177 EXTRA_MEMORY_CONSTRAINT): Remove.
9178 * config/ia64/ia64.md: Include constriants.md. Replace
9179 CONST_OK_FOR_? with satisfies_constraint_?.
9180
9181 2007-03-23 Michael Meissner <michael.meissner@amd.com>
9182 H.J. Lu <hongjiu.lu@intel.com>
9183
9184 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
9185 DPD or BID name.
9186 (name macros): Use DPD_BID_NAME to convert names properly.
9187
9188 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
9189 decimal floating point format.
9190 (init_floating_libfuncs): Change decimal functions so that they
9191 have a "bid_" prefix if the decimal system uses the BID format,
9192 and "dpd_" prefix if the decimal system uses the DPD format.
9193 (init_interclass_conv_libfuncs): Ditto.
9194 (init_intraclass_conv_libfuncs): Ditto.
9195
9196 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9197 using the BID format.
9198
9199 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9200 whether we are using the BID decimal format.
9201 * configure: Regenerate.
9202
9203 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9204 the compiler has decimal floating point enabled. Define
9205 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9206 instead of DPD.
9207
9208 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9209 using the BID format.
9210
9211 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9212 whether we are using the BID decimal format.
9213 * configure: Regenerate.
9214
9215 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9216 the compiler has decimal floating point enabled. Define
9217 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9218 instead of DPD.
9219
9220 * doc/install.texi (--enable-decimal-float): Document BID and DPD
9221 options, and that it is enabled for i386/x86_64 systems.
9222
9223 * Makefile.in (enable_decimal_float): New.
9224 (DECNUMFMT): New.
9225 (DECNUMINC): Add -I$(DECNUMFMT).
9226 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
9227 to $(DECNUMFMT) from $(DECNUM).
9228
9229 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
9230 Substitute enable_decimal_float.
9231 * configure: Regenerated.
9232
9233 PR other/30529
9234 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
9235 unsigned long.
9236
9237 * configure.ac: Enable decimal float for x86_64-*-linux*.
9238 * configure: Regenerated.
9239
9240 PR other/30530
9241 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
9242 decimal128ClearSign to flip and clear the sign bit in decimal128.
9243 (decimal_real_maxval): Set decimal128SetSign to set the sign
9244 bit in decimal128.
9245
9246 2007-03-23 Ian Lance Taylor <iant@google.com>
9247
9248 * fold-const.c (fold_binary): Correct warning for X - c >= X.
9249
9250 2007-03-23 Ian Lance Taylor <iant@google.com>
9251
9252 * tree-dump.c (dump_files): Correct comment.
9253
9254 2007-03-23 Ian Lance Taylor <iant@google.com>
9255
9256 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
9257
9258 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
9259
9260 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
9261 in cfglayout mode. Don't go into and out of cfglayout mode.
9262 Link the blocks in the order of the constructed traces.
9263 (rest_of_handle_tracer): Adjust call to tracer.
9264 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
9265 Don't go into cfglayout mode.
9266 (rtl_loop_done): Don't go out of cfglayout mode.
9267 * cfglayout.c (relink_block_chain): New function, split out from...
9268 (fixup_reorder_chain): ...here. Remove redundant checking.
9269 (cfg_layout_finalize): Don't clear the header, footer, and aux
9270 fields here, move the code to do so to relink_block_chain. Likewise
9271 for free_original_copy_tables.
9272 * rtl.h (tracer): Update prototype.
9273 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
9274 Assert we are in cfglayout mode. Don't go into and out of cfglayout
9275 mode. Use relink_block_chain to serialize the CFG according to the
9276 new basic block order. Move targetm.cannot_modify_jumps_p check from
9277 here...
9278 (gate_handle_reorder_blocks): ...to here.
9279 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
9280 from here...
9281 (gate_duplicate_computed_gotos): ...to here.
9282 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
9283 something always changes when going into and out of cfglayout mode.
9284 Perform an expensive cfg cleanup while going into cfglayout mode.
9285 Always update liveness information on HAVE_conditional_execution
9286 targets. Reserialize the basic blocks and go out of cfglayout mode.
9287 * reg-stack.c: Include cfglayout.h.
9288 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
9289 the call to reorder_basic_blocks.
9290 * basic-block.h (reorder_basic_blocks): Update prototype.
9291 (relink_block_chain): New prototype.
9292 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
9293
9294 2007-03-23 Joseph Myers <joseph@codesourcery.com>
9295
9296 * config/mips/mips.md (type, hazard, *movdi_32bit,
9297 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
9298 *movhi_internal, *movqi_internal, *movsf_hardfloat,
9299 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
9300 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
9301 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
9302 applicable.
9303 (movcc): Change first xfer to multi.
9304 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
9305 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
9306 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
9307 config/mips/generic.md: Change reservations using "xfer" to use
9308 "mfc,mtc".
9309 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
9310 using match_operand.
9311 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
9312 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
9313 examining mode.
9314 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
9315
9316 2007-03-22 Richard Henderson <rth@redhat.com>
9317
9318 * config/i386/i386.c: Remove unnecessary function declarations.
9319 Move targetm definition, and all related macros, to the end of
9320 the file. Resort some functions to put definitions before uses.
9321 (ix86_attribute_table): Make static. Move to end of file.
9322 (ix86_gimplify_va_arg): Make static.
9323
9324 2007-03-22 Richard Henderson <rth@redhat.com>
9325
9326 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
9327 don't increase local_regparm with force_align_arg_pointer check.
9328 (ix86_function_sseregparm): Assert 32-bit.
9329 (type_has_variadic_args_p): New.
9330 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
9331 type_has_variadic_args_p.
9332 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
9333 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
9334 use memset instead. Do maybe_vaarg check first; skip attribute
9335 tests if true; skip attribute tests for 64-bit.
9336 (construct_container): Remove TARGET_DEBUG_ARG.
9337 (function_arg_advance_32, function_arg_advance_64): Split out ...
9338 (function_arg_advance): ... from here.
9339 (function_arg_32, function_arg_64): Split out ...
9340 (function_arg): ... from here.
9341 (ix86_pass_by_reference): Tidy.
9342 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
9343 (function_value_32): New, from parts of ix86_function_value
9344 and ix86_value_regno.
9345 (function_value_64): New, from parts of ix86_function_value
9346 and ix86_libcall_value.
9347 (ix86_function_value_1): New.
9348 (ix86_function_value, ix86_libcall_value): Use it.
9349 (return_in_memory_32, return_in_memory_64): Split out ...
9350 (ix86_return_in_memory): ... from here.
9351 (ix86_struct_value_rtx): Skip for 64-bit.
9352 (ix86_libcall_value, ix86_value_regno): Remove.
9353 (setup_incoming_varargs_64): Split out ...
9354 (ix86_setup_incoming_varargs): ... from here.
9355 (ix86_va_start): Remove TARGET_DEBUG_ARG.
9356 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
9357 * config/i386/i386-protos.h (ix86_function_value): Remove.
9358 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
9359
9360 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9361
9362 PR other/23572
9363 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
9364 infinities not supported, otherwise emit warning if -Woverflow. On
9365 underflow, emit warning if -Woverflow.
9366 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
9367 and 0 otherwise.
9368 * real.h (real_from_string): Update declaration
9369
9370 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
9371 Richard Henderson <rth@redhat.com>
9372
9373 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
9374 * calls.c (compute_argument_block_size, expand_call,
9375 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
9376 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
9377 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
9378 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
9379 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
9380 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
9381 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
9382 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
9383 Set to 1.
9384
9385 2007-03-22 Joseph Myers <joseph@codesourcery.com>
9386
9387 * c-incpath.c (add_sysroot_to_chain): New.
9388 (merge_include_chains): Add sysroot argument. Call
9389 add_sysroot_to_chain if sysrooted.
9390 (register_include_chains): Update call to merge_include_chains.
9391 * doc/cppopts.texi: Document use of '=' in include directory
9392 arguments.
9393
9394 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
9395
9396 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
9397 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
9398 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
9399 insn pattern using X87MODEF12 mode macro.
9400
9401 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
9402
9403 * regmove.c (regmove_optimize): Use reg_mentioned_p
9404 instead of reg_overlap_mentioned_p for DST.
9405
9406 2007-03-21 Mike Stump <mrs@apple.com>
9407
9408 * c.opt: Fixup for Objective-C/C++.
9409
9410 2007-03-21 Steve Ellcey <sje@cup.hp.com>
9411
9412 * explow.c (convert_memory_address): Fold memory reference when
9413 POINTERS_EXTEND_UNSIGNED < 0
9414
9415 2007-03-21 Richard Henderson <rth@redhat.com>
9416
9417 PR target/31245
9418 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
9419 * config/i386/mmintrin.h (__m64): Likewise.
9420 * config/i386/xmmintrin.h (__m128): Likewise.
9421
9422 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9423
9424 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
9425 (VXWORKS_OS_CPP_BUILTINS): Define.
9426 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
9427 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
9428
9429 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9430
9431 * rtl.h (constant_pool_reference_p): Delete.
9432 (find_constant_src): Declare.
9433 * rtlanal.c (find_constant_src): New function.
9434 * simplify-rtx.c (constant_pool_reference_p): Delete.
9435 * config/i386/i386.md: Use find_constant_src instead of
9436 constant_pool_reference_p/avoid_constant_pool_reference pairs.
9437
9438 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9439
9440 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
9441 * c-cppbuiltin.c (c_cpp_builtins): Define them.
9442
9443 2007-03-20 Mark Mitchell <mark@codesourcery.com>
9444
9445 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
9446 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
9447 (arm_elf_asm_constructor): Use it.
9448 (arm_elf_asm_destructor): New function.
9449
9450 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
9451
9452 * jump.c (mark_jump_label): Treat SEQUENCE specially.
9453
9454 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
9455
9456 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
9457
9458 2007-03-19 Andrew Haley <aph@redhat.com>
9459
9460 PR tree-optimization/31264
9461 * tree-vrp.c (register_edge_assert_for_1): Don't look though
9462 VIEW_CONVERT_EXPRs.
9463
9464 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
9465
9466 PR rtl-optimization/30907
9467 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
9468 (fwprop_init): Always call loop_optimizer_initialize.
9469 (fwprop_done): Always call loop_optimizer_finalize.
9470 (fwprop): We always have loop info now.
9471 (gate_fwprop_addr): Remove.
9472 (pass_fwprop_addr): Use gate_fwprop as gate.
9473
9474 PR rtl-optimization/30841
9475 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
9476 df_chain_alloc): Call df_reorganize_refs unconditionally.
9477 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
9478 refs_organized to refs_organized_size.
9479 (df_ref_create_structure): Use refs_organized_size instead of
9480 bitmap_size if refs had been organized, and keep refs_organized_size
9481 up-to-date.
9482 * df.h (struct df_ref_info): Change refs_organized to
9483 refs_organized_size.
9484 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
9485 bitmap_size.
9486
9487 2007-03-19 Mark Mitchell <mark@codesourcery.com>
9488
9489 * except.c (output_function_exception_table): Do not reference the
9490 EH personality routine for functions that do not require an
9491 exception table.
9492
9493 2007-03-20 Jakub Jelinek <jakub@redhat.com>
9494
9495 PR c/30762
9496 * c-typeck.c (convert_for_assignment): Call comptypes for
9497 RECORD_TYPE or UNION_TYPE.
9498
9499 PR inline-asm/30505
9500 * reload1.c (reload): Do invalid ASM checking after
9501 cleanup_subreg_operands.
9502
9503 2007-03-19 Jeff Law <law@redhat.com>
9504
9505 * tree-cfg.c (find_taken_edge): Tighten conditions for
9506 optimizing computed gotos.
9507
9508 2007-03-19 Michael Matz <matz@suse.de>
9509
9510 * builtins.c (expand_builtin_sync_operation,
9511 expand_builtin_compare_and_swap,
9512 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
9513 correctly.
9514
9515 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
9516 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
9517 for operand 3.
9518
9519 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9520
9521 * doc/tm.texi: Add brackets around the return type of
9522 TARGET_SECONDARY_RELOAD.
9523
9524 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
9525 Richard Guenther <rguenther@suse.de>
9526
9527 PR tree-optimization/31254
9528 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9529 Use handled_component_p () where appropriate. Continue
9530 propagating into the rhs if we propagated into an INDIRECT_REF
9531 on the lhs.
9532
9533 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9534
9535 * config/s390/s390.md (op_type attribute): RRR instruction type added.
9536 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
9537 (xde, xdee): Mode attributes adjusted to support DFP modes.
9538 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
9539 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
9540 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
9541 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
9542 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
9543 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9544 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
9545 numbers.
9546 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
9547 "movsf"): Insn definitions removed.
9548 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
9549 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
9550 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
9551 definitions added.
9552 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
9553 "reload_in<mode>", "reload_out<mode>"): Expander added.
9554 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
9555 Expander removed.
9556
9557 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9558
9559 * config/s390/s390.md: Only non-functional changes. Renamed
9560 FPR mode macro to BFP all over the file.
9561
9562 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9563
9564 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
9565 (op_type attribute): RRF instruction type added.
9566 (fT0): New mode attribute.
9567 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9568 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
9569 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
9570 no secondary memory is needed when moving DFmode values between GPRs
9571 and FPRs.
9572
9573 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9574
9575 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
9576 inverted and documentation adjusted.
9577 ("mhard-dfp", "msoft-dfp"): New options.
9578 * config/s390/s390.c (s390_handle_arch_option): New architecture
9579 switch: z9-ec.
9580 (override_options): Sanity checks for the new options added.
9581 * config.gcc: New architecture switch: z9-ec.
9582 * config/s390/s390.h (processor_flags): PF_DFP added.
9583 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
9584 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
9585 when the bit is NOT set so remove it from the defaults.
9586
9587 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9588
9589 * genemit.c (main): Print include statement for dfp.h.
9590 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
9591 is not available.
9592
9593 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9594
9595 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
9596
9597 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
9598
9599 PR target/31022
9600 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
9601 instead of PATTERN.
9602
9603 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9604
9605 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
9606 attr_length_call, output_call, output_indirect_call): Cleanup
9607 formatting of targetm calls.
9608
9609 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9610
9611 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
9612
9613 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9614
9615 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
9616 reservation, bypass and anti-bypass descriptions for these instructions.
9617 Update move patterns.
9618 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
9619 TYPE_FPSTORE.
9620
9621 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
9622
9623 * tree-vect-transform.c (get_initial_def_for_induction): Replace
9624 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
9625 (get_initial_def_for_reduction): Likewise.
9626
9627 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
9628
9629 Fix PR tree-optimization/29922
9630 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
9631 (get_representative): Removed.
9632 (value_dies_in_block_x): Update for rvuse removal.
9633 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
9634 (compute_antic_aux): Handle when PHI nodes appear in
9635 non-single-successors.
9636 (dump_bitmap_of_names): Removed.
9637 (compute_antic_safe): Renamed and removed rvuse calculation.
9638 Calculate only antic safe.
9639 (insert_into_preds_of_block): Remove assert.
9640 (execute_pre): Update for renamed functions.
9641 (defer_or_phi_translate_block): New function.
9642
9643 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9644
9645 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
9646 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
9647 typos.
9648 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
9649 Follow spelling conventions.
9650
9651 * tree-data-ref.h: Remove the prototype for analyze_array.
9652
9653 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
9654
9655 PR tree-optimization/31041
9656 * tree-vect-transform.c (get_initial_def_for_induction): Call
9657 force_gimple_operand.
9658
9659 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
9660
9661 * ipa-type-escape.c (look_for_casts) : Revert code to use
9662 handled_component_p due to ada test a-numaux.adb.
9663
9664 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9665
9666 * final.c (final_scan_insn): Alter the condition of a
9667 conditional trap if we have nonstandard CC.
9668
9669 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9670
9671 * configure.ac: Remove excess quoting from asm line 0 test.
9672 * configure: Rebuilt.
9673
9674 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9675
9676 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
9677 * c-common.c (convert_and_check): Move warning logic to...
9678 (warnings_for_convert_and_check): ...here. Define.
9679 * c-common.h (warnings_for_convert_and_check): Declare.
9680
9681 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9682
9683 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
9684 (output_call): Likewise.
9685
9686 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9687
9688 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
9689
9690 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9691
9692 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
9693
9694 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
9695
9696 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
9697 opteron, athlon-64 and athlon-fx processor_alias_table entries.
9698
9699 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
9700
9701 PR tree-optimization/31183
9702 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
9703 Use double_int instead of unsigned int for representing access_strides.
9704 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
9705
9706 2007-03-16 Richard Guenther <rguenther@suse.de>
9707
9708 PR tree-optimization/31146
9709 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
9710 to allow recursion of forward_propagate_addr_expr.
9711 (forward_propagate_addr_into_variable_array_index): Likewise.
9712 (forward_propagate_addr_expr): Likewise.
9713 (tree_ssa_forward_propagate_single_use_vars): Likewise.
9714 (forward_propagate_addr_expr_1): Recurse on simple copies
9715 instead of propagating into them. Do so for useless conversions
9716 as well.
9717 (forward_propagate_addr_expr): Clean up unused statements after
9718 recursion.
9719
9720 2007-03-16 Richard Guenther <rguenther@suse.de>
9721
9722 * builtins.c (expand_builtin_cexpi): Use the right argument
9723 for the expansion via cexp.
9724
9725 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9726
9727 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
9728 * configure: Rebuilt.
9729
9730 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9731
9732 PR debug/29906
9733 * dwarf2out.c (force_type_die): Adjust comment.
9734 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
9735
9736 2007-03-15 DJ Delorie <dj@redhat.com>
9737
9738 * config/frv/predicates.md (minmax_operator): Don't check operands
9739 here.
9740
9741 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9742
9743 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
9744 Update constant estimates of number of iterations.
9745 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
9746 argument renamed to "realistic".
9747 (compute_estimated_nb_iterations): Removed.
9748 (record_niter_bound): New function.
9749 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
9750 call record_nonwrapping_iv with upper = false.
9751 (infer_loop_bounds_from_signedness): Pass upper argument to
9752 record_nonwrapping_iv.
9753 (estimate_numbers_of_iterations_loop): Do not call
9754 compute_estimated_nb_iterations. Record estimate based on profile
9755 information. Initialize the constant estimates of number of
9756 iterations.
9757 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
9758 estimates.
9759 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
9760 number of iterations is too small.
9761 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
9762 (EST_NOT_AVAILABLE): Removed.
9763 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
9764 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
9765 fields.
9766
9767 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9768
9769 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
9770 Handle NE_EXPR guards.
9771
9772 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9773
9774 PR c++/24924
9775 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
9776 Set also -pedantic-errors by default for the preprocessor unless
9777 -fpermissive is given.
9778
9779 2007-03-15 Richard Guenther <rguenther@suse.de>
9780
9781 PR middle-end/29719
9782 PR middle-end/31161
9783 * builtins.c (expand_builtin_cexpi): As a fallback if we
9784 don't have builtins for sincos or cexp create a function
9785 declaration for cexp and expand to a call to that.
9786 (expand_builtin_int_roundingfn): Always fall
9787 back to floor/ceil and its variants even if they may be
9788 not available.
9789
9790 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
9791
9792 PR middle-end/31159
9793 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
9794 jump tables, move the call to delete_dead_jumptables from here...
9795 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
9796 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
9797 don't allow merging of blocks that try_redirect_by_replacing_jump
9798 also does not handle when not optimizing.
9799
9800 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9801 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9802
9803 * config/i386/i386.md (x86_sahf_1): Correctly handle
9804 HAVE_AS_IX86_SAHF.
9805
9806 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9807
9808 PR target/31167
9809 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
9810 x86_64_general_operand as operand[2] predicate. Remove "iF"
9811 from operand constraints and use "e" constraint instead.
9812 (*subti3_1, *subti3_1 splitter): Ditto.
9813 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
9814 operand[1] predicate.
9815
9816 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
9817
9818 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
9819 arrays, multiply the access strides by the size of the sub-array.
9820 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
9821
9822 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9823
9824 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
9825 the configured assembler supports the sahf mnemonic.
9826 * configure: Regenerate.
9827 * config.in: Regenerate.
9828
9829 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
9830 emit "sahf" or ".byte\t0x9e" as asm template.
9831
9832 2007-03-14 Michael Meissner <michael.meissner@amd.com>
9833
9834 PR 31018
9835 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
9836 option to replace hard coded TARGET_xxx in md file.
9837 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
9838 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9839 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
9840 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
9841 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
9842 (X86_TUNE_NOT_VECTORMODE): Ditto.
9843 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
9844 (TUNE_AVOID_VECTOR_DECODE): Ditto.
9845 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9846 (TUNE_SLOW_IMUL_IMM8): Ditto.
9847 (TUNE_MOVE_M1_VIA_OR): Ditto.
9848 (TUNE_NOT_UNPAIRABLE): Ditto.
9849 (TUNE_NOT_VECTORMODE): Ditto.
9850
9851 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
9852 options.
9853
9854 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
9855 tuning options instead of hard coded TARGET_xxx.
9856 (fix ssemode peephole2's): Ditto.
9857 (imul peephole2's): Ditto.
9858 (movsi_or): Ditto.
9859 (movdi_or_rex64): Ditto.
9860 (move peephole2): Ditto.
9861 (not peephole2's): Ditto.
9862
9863 2007-03-14 Dirk Mueller <dmueller@suse.de>
9864
9865 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
9866 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
9867 * c-parser.c (c_parser_if_body): Always add an empty statement in case
9868 of empty body.
9869 * c-parser.c (c_parser_do_statement): Warn about empty body in
9870 do/while statement.
9871 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
9872 * doc/invoke.texi (-Wempty-body): Update documentation.
9873
9874 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9875
9876 PR c/21438
9877 * c-common.h (warn_for_div_by_zero): Declare.
9878 * c-common.c (warn_for_div_by_zero): Define.
9879 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
9880 warning.
9881
9882 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9883
9884 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
9885 to PREFIX and STANDARD_PREFIX.
9886
9887 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9888 Phil Edwards <phil@codesourcery.com>
9889
9890 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
9891 (__gthread_once_t): Remove busy field for RTPs.
9892 (__GTHREAD_ONCE_INIT): Update accordingly.
9893
9894 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9895
9896 * doc/invoke.texi: Document VxWorks options.
9897
9898 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9899
9900 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
9901
9902 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
9903
9904 PR tree-optimization/30590
9905 * tree-nrv.c (tree_nrv): Check for the partial update of the
9906 return value.
9907
9908 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
9909
9910 * flags.h (flag_random_seed): Remove declaration, in favor of...
9911 * toplev.h (get_random_seed, set_random_seed): ... these.
9912 * tree.c (get_file_function_name): Use the former.
9913 * opts.c (common_handle_option): Use the latter.
9914 * toplev.c
9915
9916 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
9917
9918 PR middle-end/31127
9919 * cse.c (cse_find_path): Do not bail out if a basic block that
9920 we already visited now becomes part of a path that starts at a
9921 different basic block. Just disallow this, to make sure we
9922 visit each basic block at most once.
9923
9924 2007-03-13 Jan Hubicka <jh@suse.cz>
9925
9926 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
9927 when profile esitmate is present, calls with very low frequency are
9928 cold.
9929
9930 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9931
9932 PR tree-optimization/30730
9933 PR tree-optimization/26900
9934 * tree-ssa-loop-niter.c: Include gmp.h.
9935 (bounds): New type.
9936 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
9937 split_to_var_and_offset, determine_value_range,
9938 bound_difference_of_offsetted_base, refine_bounds_using_guard,
9939 bound_difference, bounds_add, bounds_negate,
9940 number_of_iterations_ne_max, dump_affine_iv): New functions.
9941 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9942 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
9943 difference of initial and final value of control iv to validate
9944 results.
9945 (number_of_iterations_cond): Add loop parameter. Determine bounds
9946 on the difference of the extremes of the control iv. Add dumps.
9947 (expand_simple_operations): Handle phi nodes.
9948 (simplify_using_initial_conditions): Do not record used conditions.
9949 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
9950 Do not set additional_info.
9951 (implies_nonnegative_p, implies_ge_p): Removed.
9952 (derive_constant_upper_bound): Do not use parameter `additional'.
9953 (record_estimate): Parameter `additional' removed. Parameter
9954 `i_bound' added. Do not call derive_constant_upper_bound.
9955 (record_nonwrapping_iv): Use derive_constant_upper_bound to
9956 bound the number of iterations estimate.
9957 (estimate_numbers_of_iterations_loop): Pass the estimate from
9958 the number of iterations analysis to record_estimate.
9959 * tree.h (multiple_of_p): Declare.
9960 * tree-scalar-evolution.c (expression_expensive_p): Removed.
9961 (scev_const_prop): Do not check expression_expensive_p.
9962 * fold-const.c (multiple_of_p): Exported.
9963 * double-int.c (double_int_mask): Exported.
9964 * double-int.h (double_int_mask): Declare.
9965 * tree-flow.h (struct tree_niter_desc): Removed additional_info
9966 field. Added max field.
9967
9968 2007-03-13 David Taylor <taylor@candd.org>
9969
9970 PR driver/12448:
9971 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
9972 default -MQ.
9973
9974 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9975
9976 PR target/31123
9977 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
9978 two unamed patterns.
9979
9980 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
9981
9982 * config/i386/i386.opt (mcx16, msahf): New options.
9983 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
9984 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
9985
9986 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
9987 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
9988 Output -mcx16 and -msahf options when corresponding bit is set.
9989
9990 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
9991 and -msahf options.
9992
9993 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
9994
9995 * configure.ac: Test for assembler tolerance to # 0 "".
9996 * configure, config.in: Rebuilt.
9997 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
9998
9999 2007-03-13 Geoffrey Keating <geoffk@apple.com>
10000
10001 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
10002
10003 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
10004 (handle_syscall): Handle direct system calls.
10005 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
10006
10007 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10008
10009 * doc/invoke.texi: Fix cpp.info cross-reference.
10010 * doc/passes.texi: Fix gcc.info cross-reference.
10011
10012 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
10013
10014 PR tree-optimization/30835
10015 * lambda-code.c (can_convert_to_perfect_nest): Check whether
10016 bb_for_stmt is not NULL before accessing it.
10017
10018 2007-03-12 Joseph Myers <joseph@codesourcery.com>
10019
10020 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
10021 some multilibs.
10022
10023 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10024
10025 PR 30635
10026 * doc/install.texi: Document --enable-stage1-languages
10027
10028 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
10029
10030 * tree-pass.h (pass_into_cfg_layout_mode,
10031 pass_outof_cfg_layout_mode): Declare.
10032 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
10033 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
10034 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
10035 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
10036
10037 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
10038
10039 * c-decl.c (warn_variable_length_array): New function.
10040 Refactored from grokdeclarator to handle warn_vla
10041 and handle unnamed array case.
10042 (grokdeclarator): Refactored VLA warning case.
10043 * c.opt (Wvla): New flag.
10044 * doc/invoke.texi (Wvla): New warning.
10045
10046 2007-03-12 Richard Henderson <rth@redhat.com>
10047
10048 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
10049 (TARGET_SECTION_TYPE_FLAGS): New.
10050
10051 2007-03-12 Richard Henderson <rth@redhat.com>
10052
10053 * config/darwin.c (machopic_reloc_rw_mask): New.
10054 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10055 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
10056
10057 2007-03-12 Mark Mitchell <mark@codesourcery.com>
10058
10059 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
10060 * cppdefault.h (cpp_PREFIX): Document.
10061 (cpp_PREFIX_len): Likewise.
10062 (cpp_EXEC_PREFIX): New variable.
10063 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
10064 * c-incpath.c (add_standard_paths): Correct logic for relocating
10065 paths within prefix.
10066
10067 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
10068
10069 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
10070 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
10071 mode macro.
10072 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
10073 fix_truncdfdi_sse using SSEMODEF mode macro.
10074 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
10075 fix_truncdfsi_sse using SSEMODEF mode macro.
10076 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
10077 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
10078
10079 2007-03-12 Richard Sandiford <richard@codesourcery.com>
10080
10081 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
10082 elfos.h to tm_file.
10083
10084 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
10085
10086 * tree.h : Add multiple_of_p declaration.
10087 * fold-const.c (multiple_of_p): Make multiple_of_p public.
10088 * ipa-type-escape.c (results_of_malloc): Redundant.
10089 (visited_stmts): New. Visited stmt for walk_use_def_chains.
10090 (cast_type): Extended with new members.
10091 (check_cast): Returns cast_type.
10092 (cast): New structure for data of walk_use_def_chains.
10093 (is_malloc_result, is_cast_from_non_pointer_1,
10094 is_cast_from_non_pointer,
10095 is_array_access_through_pointer_and_index): New functions.
10096 (look_for_casts): Returns cast types.
10097 (check_call): Returns void.
10098 (okay_pointer_operation): Use support of pointer plus index,
10099 pointer plus constant and allow all multiplications.
10100
10101 2007-03-11 Richard Guenther <rguenther@suse.de>
10102
10103 PR tree-optimization/31115
10104 * tree-vrp.c (extract_range_from_binary_expr): Make sure
10105 the shift count is positive and non-anti-range for RSHIFT_EXPR.
10106 A shift count of zero is not special as with *_DIV_EXPR.
10107 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
10108 direction.
10109
10110 2007-03-11 Ian Lance Taylor <iant@google.com>
10111
10112 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
10113 the *_DIV_EXPR codes correctly with overflow infinities.
10114
10115 2007-03-11 Ira Rosen <irar@il.ibm.com>
10116
10117 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
10118 indicate success/failure of the analysis. Add negation to subtrahend
10119 in case of subtraction. Fail if both operands contain constants.
10120 (create_data_ref): Fail if analyze_offset fails.
10121
10122 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
10123
10124 * config/i386/i386.md (frndintxf2): Rename to ...
10125 (rintxf2): ... this. Remove expander having same name.
10126 (rintsf2, rintdf2): Implement using SSEMODEF macro.
10127 (roundsf2, rounddf2): Ditto.
10128 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
10129 (lround<mode>di2, lround<mode>si2): Ditto.
10130
10131 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
10132
10133 * lower-subreg.c: Include except.h.
10134 (decompose_multiword_subregs): Verify that the only control flow
10135 insns we can split are loads to multi-words pseudos.
10136 Handle breaking such blocks after splitting, instead of calling
10137 find_many_sub_basic_blocks.
10138
10139 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
10140 on the new basic block. Add a lengthy comment explaining why we
10141 thought this was necessary.
10142 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
10143
10144 2007-03-10 Mark Mitchell <mark@codesourcery.com>
10145
10146 PR c++/30924
10147 * tree.c (walk_type_fields): Recurse into the element type of
10148 ARRAY_TYPEs if there is a pointer set.
10149
10150 2007-03-10 Dirk Mueller <dmueller@suse.de>
10151
10152 * c-common.c (warn_logical_operator): Fix condition.
10153
10154 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
10155
10156 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
10157 quotation mark.
10158 * config/darwin.c (machopic_select_section): Remove superfluous
10159 argument in call to categorize_decl_for_section. Remove unused
10160 variable shlib.
10161
10162 2007-03-10 Joseph Myers <joseph@codesourcery.com>
10163
10164 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
10165 defined.
10166 * configure: Regenerate.
10167
10168 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
10169
10170 PR target/31101
10171 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
10172 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
10173 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
10174 Add LABEL_NUSES to emitted label.
10175 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
10176 branch probability value to emitted jump insn.
10177 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
10178 Do not check life information and do not re-arrange input operands
10179 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
10180
10181 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10182
10183 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
10184 the change of decode_asm_operands.
10185
10186 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10187
10188 * mode-switching.c (create_pre_exit): Skip blockage insn.
10189
10190 2007-03-09 Diego Novillo <dnovillo@redhat.com>
10191
10192 * tree-pass.h (TODO_update_smt_usage): Remove.
10193 Update all users.
10194 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
10195 argument SOME.
10196 Update all users.
10197
10198 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10199
10200 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
10201 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
10202 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
10203 SOM target.
10204
10205 2007-03-09 Geoffrey Keating <geoffk@apple.com>
10206
10207 * gcc.c: Document %{, in big comment at top.
10208 (input_suffix_matches): Remove special handling for .s and
10209 .S.
10210 (input_spec_matches): New.
10211 (handle_braces): Handle %{,.
10212 (validate_switches): ',' indicates a value which is not a switch.
10213 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
10214 to detect assembler input.
10215 * config/i386/sol2.h (CPP_SPEC): Likewise.
10216 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
10217 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
10218 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
10219 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
10220 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
10221 -m64 causes deployment target to default to 10.5.
10222 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10223
10224 2007-03-09 Richard Henderson <rth@redhat.com>
10225
10226 PR target/26090
10227 * target.h (targetm.asm.out.reloc_rw_mask): New.
10228 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
10229 (TARGET_ASM_OUT): Use it.
10230 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
10231 * varasm.c (categorize_decl_for_section): Remove shlib argument;
10232 use the new reloc_rw_mask target hook instead.
10233 (default_section_type_flags_1): Merge into...
10234 (default_section_type_flags): ... here.
10235 (decl_readonly_section_1): Merge into...
10236 (decl_readonly_section): ... here.
10237 (default_elf_select_section_1): Merge into...
10238 (default_elf_select_section): ... here.
10239 (default_unique_section_1): Merge into...
10240 (default_unique_section): ... here.
10241 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
10242 (default_select_rtx_section): Use it.
10243 (default_elf_select_rtx_section): Likewise.
10244 * output.h: Update to match.
10245 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
10246 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
10247 (TARGET_ASM_RELOC_RW_MASK): New.
10248 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
10249 to categorize_decl_for_section.
10250 (x86_64_elf_unique_section): Likewise.
10251 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
10252 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
10253 (TARGET_ASM_RELOC_RW_MASK): New.
10254 * config/ia64/ia64.c (ia64_rwreloc_select_section,
10255 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
10256 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
10257 (TARGET_RWRELOC): Remove.
10258 (ia64_section_type_flags): Adjust call to default_section_type_flags.
10259 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10260 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
10261 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
10262 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
10263 (rs6000_xcoff_select_section): Use decl_readonly_section.
10264 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
10265 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10266 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
10267 (TARGET_SECTION_TYPE_FLAGS): Remove.
10268 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
10269
10270 2007-03-09 Roger Sayle <roger@eyesopen.com>
10271
10272 * fold-const.c (fold_comparison): Remove compile-time evaluation of
10273 complex constant equality/inequality comparisons for here.
10274 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
10275 known at compile-time or can be simplified to a scalar comparison.
10276 (fold_relational_const): Move compile-time evaluation of complex
10277 constant equality/inequality comparisons to here.
10278
10279 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10280
10281 PR rtl-optimization/30643
10282 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
10283 dest_addr_elt.
10284 (fold_rtx): Recurse, like before 2006-11-03.
10285
10286 2007-03-09 DJ Delorie <dj@redhat.com>
10287
10288 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
10289 m32c-pragma.o.
10290
10291 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
10292
10293 PR tree-optimization/30375
10294 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
10295 LHS of statements is not the same.
10296 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
10297
10298 2007-03-09 Chao-ying Fu <fu@mips.com>
10299
10300 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
10301 REV 2.
10302 * doc/invoke.texi (-mdspr2): Document new option.
10303 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
10304 New unspec for DSP REV 2.
10305 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
10306 these instructions are extended in DSP REV 2.
10307 (mips-dspr2.md): Include.
10308 * config/mips/mips.opt (mdspr2): New option.
10309 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
10310 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
10311 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
10312 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
10313 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
10314 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
10315 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
10316 and 2 builtins.
10317 (bdesc_map): Add one field of unsupported_target_flags.
10318 (bdesc_arrays): Update entries to have extra fields. Add
10319 dsp_32only_bdesc.
10320 (mips_init_builtins): Initialize new function types.
10321 Check unsupported_target_fileds to filter out builtins.
10322 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
10323 TARGET_DSPR2.
10324 (ASM_SPEC): Pass mdspr2 to the assembler.
10325 * config/mips/mips-dspr2.md: New file.
10326
10327 2007-03-09 Sa Liu <saliu@de.ibm.com>
10328
10329 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
10330
10331 2007-03-09 Ian Lance Taylor <iant@google.com>
10332
10333 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
10334 argument) like -Wstrict-overflow=2.
10335 * doc/invoke.texi (Warning Options): Update documentation.
10336
10337 2007-03-09 Dirk Mueller <dmueller@suse.de>
10338
10339 PR c++/17946
10340 * doc/invoke.texi (-Wlogical-op): Document.
10341 * common.opt (-Wlogical-op): New.
10342 * c-common.h (warn_logical_operator): Declare.
10343 * c-common.c (warn_logical_operator): Define.
10344 * c-typeck.c (parser_build_binary_op): Call
10345 warn_logical_operator.
10346
10347 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10348
10349 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
10350 * final.c (final_scan_insn): Test for non-"" file name.
10351
10352 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
10353
10354 * doc/loop.texi: Document the Omega linear constraints solver.
10355 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
10356 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
10357 omega-hash-table-size, omega-max-keys, and
10358 omega-eliminate-redundant-constraints.
10359 * tree-pass.h (pass_check_data_deps): Declared.
10360 * omega.c: New.
10361 * omega.h: New.
10362 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
10363 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
10364 pass_check_data_deps): New.
10365 * tree-data-ref.c (init_data_ref): Remove declaration.
10366 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
10367 (analyze_array): Renamed init_array_ref, move up initializations.
10368 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
10369 Removed arguments that are set to NULL.
10370 (analyze_indirect_ref): Correct indentation, correct call to
10371 init_pointer_ref.
10372 (object_analysis): Call init_array_ref instead of analyze_array.
10373 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
10374 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
10375 of DR_ACCESS_FNS_ADDR.
10376 (init_omega_eq_with_af, omega_extract_distance_vectors,
10377 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
10378 ddr_consistent_p): New.
10379 (compute_affine_dependence): Check consistency of ddrs when
10380 flag_check_data_deps is passed.
10381 (analyze_all_data_dependences): Uncomment.
10382 (tree_check_data_deps): New.
10383 * tree-data-ref.h: Include omega.h.
10384 (DR_ACCESS_FNS_ADDR): Removed.
10385 (data_dependence_relation): Add inner_loop.
10386 (DDR_INNER_LOOP): New.
10387 * common.opt (fcheck-data-deps): New.
10388 * tree-flow.h (tree_check_data_deps): Declare.
10389 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
10390 (OBJS-common): Depend on omega.o.
10391 (omega.o): Define.
10392 * passes.c (pass_check_data_deps): Scheduled.
10393 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
10394 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
10395 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
10396 PARAM_VECT_MAX_VERSION_CHECKS,
10397 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
10398
10399 2007-03-09 Richard Guenther <rguenther@suse.de>
10400
10401 PR tree-optimization/30904
10402 PR middle-end/31058
10403 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
10404 the same way as *_DIV_EXPR.
10405
10406 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10407
10408 * recog.c (decode_asm_operands): No mixed declarations and code.
10409
10410 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10411
10412 * rtl.def (ASM_INPUT): Add location.
10413 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
10414 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
10415 (decode_asm_operands): Add loc operand.
10416 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
10417 * stmt.c (expand_asm): Rename to...
10418 (expand_asm_loc): ... this. Add locus argument. Pass it on to
10419 gen_rtx_ASM_INPUT_loc.
10420 (expand_asm_expr): Adjust.
10421 * recog.c (decode_asm_operands): Add loc operand.
10422 (check_asm_operands, extract_insn): Adjust.
10423 * reload1.c (maybe_fix_stack_asms): Likewise.
10424 * final.c (asm_insn_count): Likewise.
10425 (final_scan_insn): Output # line before and after asm.
10426
10427 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
10428
10429 * tree-ssa-structalias.c (variable_info): Remove
10430 finished_solution.
10431 (new_var_info): Ditto.
10432 (shared_bitmap_info_t): New structure.
10433 (shared_bitmap_table): New variable.
10434 (shared_bitmap_hash): New function.
10435 (shared_bitmap_eq): Ditto
10436 (shared_bitmap_lookup): Ditto.
10437 (shared_bitmap_add): Ditto.
10438 (merge_smts_into): Change to take bitmap directly.
10439 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
10440 (init_alias_vars): Init shared bitmap hashtable.
10441 (delete_points_to_sets): Delete shared bitmap hashtable.
10442 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
10443 is_aliased removal as a change that was still necessary was
10444 deleted.
10445
10446 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
10447
10448 * config/i386/i386.h (override_options): Conditionally disable
10449 x86_sahf for 64bit targets only.
10450
10451 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
10452
10453 PR C/31072
10454 * c-decl.c (merge_decls): Don't call make_var_volatile.
10455 * varasm.c (make_var_volatile): Remove.
10456 * output.h (make_var_volatile): Remove.
10457
10458 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
10459
10460 PR tree-optimization/31085
10461 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
10462
10463 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10464
10465 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
10466 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
10467 ATTR_CONST_NOTHROW_LIST.
10468
10469 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
10470 FIX_TRUNC_EXPR.
10471
10472 2007-03-08 Diego Novillo <dnovillo@redhat.com>
10473
10474 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
10475
10476 2007-03-08 Geoffrey Keating <geoffk@apple.com>
10477
10478 PR 31013
10479 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
10480 is declared.
10481 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
10482 passed, use shared libgcc.
10483
10484 2007-03-08 Roger Sayle <roger@eyesopen.com>
10485
10486 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
10487 instead of calling build2 with a GIMPLE_MODIFY_STMT.
10488 (honor_protect_cleanup_actions, lower_try_finally_switch):
10489 Likewise.
10490 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
10491 ifc_temp_var): Likewise.
10492 * tree-inline.c (setup_one_parameter): Likewise.
10493 * tree-mudflap.c (mf_decl_cache_locals,
10494 mf_build_check_statement_for): Likewise.
10495 * tree-nested.c (init_tmp_var, save_tmp_var,
10496 finalize_nesting_tree_1): Likewise.
10497 * tree-outof-ssa.c (insert_copy_on_edge,
10498 insert_backedge_copies): Likewise.
10499 * tree-profile.c (tree_gen_edge_profiler,
10500 tree_gen_ic_profiler): Likewise.
10501 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10502 * tree-sra.c (sra_build_assignment): Likewise.
10503 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
10504 * tree-ssa-math-opts.c (insert_reciprocals,
10505 execute_cse_sincos_1): Likewise.
10506 * tree-tailcall.c (adjust_accumulator_values,
10507 adjust_return_value): Likewise.
10508 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
10509 * tree-vect-transform.c (vect_create_data_ref_ptr,
10510 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
10511 vect_create_epilog_for_reduction, vectorizable_reduction,
10512 vectorizable_call, vectorizable_conversion,
10513 vectorizable_assignment, vectorizable_operation,
10514 vectorizable_type_demotion, vect_gen_widened_results_half,
10515 vect_permute_store_chain, vectorizable_store,
10516 vect_setup_realignment, vect_permute_load_chain,
10517 vectorizable_load, vectorizable_condition,
10518 vect_create_cond_for_align_checks): Likewise.
10519 * tree-vrp.c (build_assert_expr_for): Likewise.
10520
10521 2007-03-08 Ian Lance Taylor <iant@google.com>
10522
10523 * tree-vrp.c: Include "intl.h".
10524 (usable_range_p): New static function.
10525 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
10526 overflowed values, juts set *strict_overflow_p.
10527 (compare_values): Only return -2 if one of the operands is not a
10528 constant.
10529 (compare_ranges): Call usable_range_p.
10530 (compare_range_with_value): Likewise.
10531 (vrp_evaluate_conditional_warnv): Rename from
10532 vrp_evaluate_conditional. Make static. Change all callers.
10533 (vrp_evaluate_conditional): New function.
10534 (simplify_div_or_mod_using_ranges): Issue warning about reliance
10535 on signed overflow.
10536 (simplify_abs_using_ranges): Likewise.
10537 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
10538 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
10539 within_stmt parameter.
10540 * tree-ssa-propagate.c (fold_predicate_in): Update call to
10541 vrp_evaluate_conditional.
10542 * tree-ssa-threadedge.c
10543 (record_temporary_equivalences_from_stmts_at_dest): Change
10544 simplify parameter to take a second tree parameter.
10545 (simplify_control_stmt_condition): Likewise.
10546 (thread_across_edge): Likewise.
10547 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
10548 (thread_across_edge): Likewise.
10549 * Makefile.in (tree-vrp.o): Depend upon intl.h.
10550
10551 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
10552
10553 * config/i386/i386.h (TARGET_SAHF): New define.
10554 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
10555 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
10556 (x86_sahf): New global variable.
10557 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
10558 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
10559 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
10560 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
10561 for 64-bit.
10562 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
10563 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
10564 when expanding fcomi/sahf based tests.
10565 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
10566 expanding sahf based alternative. Emit sahf based sequence when
10567 optimizing for code size.
10568 * config/i386/i386.md (x86_sahf_1): Do not disable for
10569 TARGET_64BIT, enable for TARGET_SAHF.
10570
10571 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
10572
10573 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
10574 spurious whitespace from error message.
10575
10576 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
10577
10578 PR c++/30852
10579 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
10580
10581 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
10582
10583 * c-decl.c (grokdeclarator): Disable warnings for anonymous
10584 bitfields.
10585 * tree-sra.c (instantiate_element): Propagate disabled warnings
10586 from the element itself to the created variable.
10587
10588 2007-03-07 Richard Henderson <rth@redhat.com>
10589
10590 PR target/30848
10591 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
10592 silently fix up the stack in the case of a missing register.
10593
10594 2007-03-07 Paul Brook <paul@codesourcery.com>
10595
10596 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
10597
10598 2007-03-07 Joseph Myers <joseph@codesourcery.com>
10599
10600 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
10601 New.
10602 (phase1_vrs): Use them.
10603 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
10604 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
10605 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
10606 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
10607 __gnu_Unwind_Restore_WMMXC if required.
10608 (_Unwind_VRS_Pop): Implement iWMMXt support.
10609 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
10610 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
10611 gnu_Unwind_Save_WMMXC): Define.
10612
10613 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10614
10615 * config/vxworks.h (vxworks_override_options): Declare.
10616 (VXWORKS_OVERRIDE_OPTIONS): Use it.
10617 * config/vxworks.c: Include target.h and toplev.h.
10618 (vxworks_override_options): New function.
10619 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
10620
10621 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
10622
10623 * config/s390/s390.c (override_options): Don't emit an error when
10624 -mstack-size is used without providing -mstack-guard.
10625 (s390_emit_prologue): Choose stack_guard value automatically if not
10626 provided via command line.
10627 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
10628
10629 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10630
10631 * config/i386/i386.c (output_set_got): Add a GOT initialization
10632 sequence for VxWorks PIC.
10633 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
10634 around labels as well as symbols. Use gotoff_operand instead
10635 of local_symbolic_operand.
10636 (legitimize_pic_address): Use gotoff_operand instead of
10637 local_symbolic_operand. Use @GOT accesses for labels as
10638 well as symbols.
10639 (ix86_output_addr_diff_elt): Use PC-relative rather than
10640 GP-relative offsets for VxWorks PIC.
10641 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
10642 no_new_pseudos. Check whether the returned register is op0.
10643 * config/i386/i386.md (tablejump): Use PC-relative rather than
10644 GP-relative offsets for VxWorks PIC.
10645 * config/i386/predicates.md (gotoff_operand): New predicate.
10646
10647 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10648
10649 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
10650 before defining.
10651 * config/vxworks-dummy.h: New file.
10652 * config/i386/i386.h: Include it.
10653
10654 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
10655
10656 * dwarf2out.c (is_inlined_entry_point): New
10657 (add_high_low_attributes): Emit DW_AT_entry_pc along with
10658 DW_AT_ranges if the first subblock is the entry point.
10659
10660 2007-03-06 David Daney <ddaney@avtrex.com>
10661
10662 * doc/install.texi (mips-*-*): Change recommended binutils
10663 version.
10664
10665 2007-03-06 Anatoly Sokolov <aesok@post.ru>
10666
10667 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
10668 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
10669 devices.
10670 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10671 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10672
10673 2007-03-06 Jan Hubicka <jh@suse.cz>
10674
10675 * errors.h (warning, error, fatal, internal_error): Mark as cold.
10676 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
10677 are hot.
10678 (probably_cold_bb_p): Cold functions are cold.
10679 (probably_never_executed_bb_p): Cold functions are cold.
10680 (tree_bb_level_predictions): Predict calls to cold functions as not
10681 taken.
10682 (compute_function_frequency): Check hot/cold attributes.
10683 * function.h (function_frequency): Update comments.
10684 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
10685 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
10686 (c_common_att): Add cold and hot.
10687
10688 * doc/extend.texi (hot,cold attributes): Document.
10689
10690 2007-03-06 Andrew Haley <aph@redhat.com>
10691
10692 * function.c (expand_function_end): Move blockage to just after we
10693 emit the label for the naked return from the function.
10694
10695 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10696
10697 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
10698 before redefining.
10699
10700 2007-03-06 Jan Hubicka <jh@suse.cz>
10701
10702 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
10703 loaded for constant large models. Non-large 64bit PIC can do.
10704 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
10705 * cmodel.h: Add LARGE PIC.
10706 * i386.md (UNSPEC_PLTOFF): New.
10707 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
10708 needed.
10709 (*call_1_rex64): Disable for large models.
10710 (*call_1_rex64_large): New.
10711 (*call_value_1_rex64): Disable for large models.
10712 (*call_value_1_rex64_large): New.
10713 (set_rip_rex4): New.
10714 (set_got_offset_rex64): New.
10715 * predicates.md (constant_call_address_operand): For large model
10716 constant calls are not possible.
10717 * i386-protos.h (construct_plt_address): Declare.
10718 * i386.c (override_options): Accept large models.
10719 (ix86_expand_prologue): Expand large PIC GOT pointer load.
10720 (legitimate_constant_p): Add new UNSPECs.
10721 (legitimate_pic_operand_p): Likewise.
10722 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
10723 (legitimize_pic_address): Do easy RIP relative way for TLS only for
10724 non-large model.
10725 (output_pic_addr_const): Add PLTOFF.
10726 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
10727 (ix86_expand_move): Legitimize pic address when in PIC mode.
10728 (construct_plt_address): New function.
10729 (ix86_expand_call): Offload the address to register and use GOT pointer
10730 for large model.
10731 * invoke.texi (mcmodel=large): Update documentation.
10732
10733 2007-03-06 Richard Henderson <rth@redhat.com>
10734
10735 * config/i386/i386.c (x86_use_leave, x86_push_memory,
10736 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
10737 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
10738 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
10739 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
10740 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
10741 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
10742 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
10743 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
10744 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10745 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10746 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
10747 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10748 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10749 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
10750 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
10751 x86_schedule, x86_use_bt, x86_pad_returns,
10752 x86_use_xchgb): Merge into ...
10753 (ix86_tune_features): ... here. New array.
10754 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10755 x86_bswap): Merge into ...
10756 (ix86_arch_features): ... here. New array.
10757 (x86_3dnow_a): Remove.
10758 (x86_accumulate_outgoing_args): Make static.
10759 (x86_arch_always_fancy_math_387): Make static.
10760 (ix86_tune_mask, ix86_arch_mask): Move ...
10761 (override_options): ... to local variables here. Apply the
10762 appropriate mask to each element of ix86_arch_features and
10763 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
10764 as were done in the old macros.
10765 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
10766 * config/i386/i386.h (x86_use_leave, x86_push_memory,
10767 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
10768 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
10769 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
10770 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
10771 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
10772 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
10773 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
10774 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
10775 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
10776 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10777 x86_accumulate_outgoing_args, x86_prologue_using_move,
10778 x86_epilogue_using_move, x86_decompose_lea,
10779 x86_arch_always_fancy_math_387, x86_shift1,
10780 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10781 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10782 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
10783 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10784 x86_use_incdec, x86_pad_returns, x86_bswap,
10785 x86_partial_flag_reg_stall): Remove.
10786 (enum ix86_tune_indices): New.
10787 (ix86_tune_features): New.
10788 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
10789 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
10790 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
10791 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
10792 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
10793 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
10794 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
10795 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
10796 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
10797 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
10798 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
10799 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
10800 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
10801 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
10802 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
10803 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
10804 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
10805 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
10806 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
10807 TARGET_EXT_80387_CONSTANTS): Use it.
10808 (enum ix86_arch_indices): New.
10809 (ix86_arch_features): New.
10810 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
10811 TARGET_BSWAP): Use it.
10812 (ix86_tune_mask, ix86_arch_mask): Remove.
10813
10814 2007-03-06 Joseph Myers <joseph@codesourcery.com>
10815
10816 PR bootstrap/31020
10817 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
10818 Define using $${sysroot_headers_suffix}.
10819 * configure: Regenerate.
10820 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
10821 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
10822 defined.
10823 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
10824 * gcc.c (print_sysroot_headers_suffix): New.
10825 (option_map): Include --print-sysroot-headers-suffix.
10826 (display_help): Mention -print-sysroot-headers-suffix.
10827 (process_command): Handle -print-sysroot-headers-suffix.
10828 (do_spec_1): Append multilib directory to include-fixed path if
10829 sysroot suffixes in use.
10830 (main): Handle -print-sysroot-headers-suffix.
10831 * Makefile.in (start.encap): Don't depend on xlimits.h
10832 (xlimits.h): Remove.
10833 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
10834 limits.h for each multilib in fixinc_list.
10835 (fixinc_list, s-fixinc_list): New.
10836 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
10837 generate them for each multilib in fixinc_list.
10838 (stmp-fixproto): Use include-fixed. Run fixproto for each
10839 multilib in fixinc_list.
10840 (mostlyclean): Don't remove xlimits.h.
10841 (clean): Remove include-fixed.
10842 (real-install-headers-tar, real-install-headers-cpio,
10843 real-install-headers-cp): Don't copy include, only include-fixed.
10844 (install-mkheaders): Depend on fixinc_list. Don't depend on
10845 xlimits.h. Save limits.h files for each multilib in fixinc_list.
10846 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
10847 SYSTEM_HEADER_DIR setting in mkheaders.conf.
10848
10849 2007-03-06 Jan Hubicka <jh@suse.cz>
10850
10851 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
10852 NANs easilly.
10853
10854 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10855
10856 * configure.ac: Allow tm_file to contain build-directory files.
10857 * configure: Regenerate.
10858 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
10859 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
10860 * config/m68k/print-sysroot-suffix.sh: New file.
10861
10862 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10863
10864 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
10865 of pic_offset_table_rtx if reload_completed.
10866 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
10867 PIC_OFFSET_TABLE_REGNUM.
10868 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
10869 return true.
10870 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
10871 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
10872
10873 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10874
10875 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10876 functions that call eh_return.
10877
10878 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10879
10880 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10881 functions that need a constant pool.
10882
10883 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10884
10885 PR target/28181
10886 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
10887 (m68k_preferred_reload_class): Likewise.
10888 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
10889 (SECONDARY_RELOAD_CLASS): Define.
10890 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
10891 (LIMIT_RELOAD_CLASS): Delete.
10892 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
10893 registers from storing bytes.
10894 (m68k_secondary_reload_class): New function.
10895 (m68k_preferred_reload_class): Likewise.
10896
10897 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10898
10899 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
10900 leaf functions.
10901 (m68k_expand_prologue): Likewise.
10902
10903 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10904
10905 * config/m68k/m68k-protos.h (output_sibcall): Declare.
10906 (mips_expand_epilogue): Add a bool parameter.
10907 (m68k_legitimize_sibcall_address): Declare.
10908 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
10909 (m68k_expand_epilogue): Add a parameter to select between sibling
10910 and normal epilogues. Only generate a return for the latter.
10911 (m68k_ok_for_sibcall_p): New function.
10912 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
10913 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
10914 (sibcall_value, *sibcall_value): Likewise.
10915 (*call, *call_value): Require !SIBLING_CALL_P.
10916 (epilogue): Update call to m68k_expand_epilogue.
10917 (sibcall_epilogue): New pattern.
10918 * config/m68k/predicates.md (const_call_operand): Say that this
10919 predicate applies to sibling calls too.
10920 (sibcall_operand): New predicate.
10921
10922 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10923
10924 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
10925 alternatives as movsi_cf.
10926 (movsf_cf_hard): Add commentary.
10927
10928 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
10929 Richard Sandiford <richard@codesourcery.com>
10930
10931 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
10932 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
10933 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
10934 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
10935 as being live on exit from an interrupt function.
10936 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
10937 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
10938 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
10939 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
10940 (m68k_interrupt_function_p): Globalize.
10941 (m68k_compute_frame_layout): Remove reverse mask code.
10942 (m68k_emit_movem, m68k_set_frame_related): New functions.
10943 (m68k_output_function_prologue): Delete in favor of...
10944 (m68k_expand_prologue): ...this new function.
10945 (m68k_output_function_epilogue): Delete in favor of...
10946 (m68k_expand_epilogue): ...this new function.
10947 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
10948 functions.
10949 (print_operand): Handle %?.
10950 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
10951 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
10952 (prologue, epilogue): New patterns.
10953 (return): Turn into a define_expand.
10954 (*return): New pattern, derived from old "return" pattern. Use rte
10955 rather than rts for interrupt functions. Only use rtd if the pop
10956 count is nonzero.
10957 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
10958 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
10959 (link, *link, unlink, *unlink, load_got): Likewise.
10960
10961 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10962
10963 PR target/23482
10964 PR target/17114
10965 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
10966 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
10967 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
10968 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
10969 and m68k_matches_u_p.
10970 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
10971 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
10972 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
10973 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
10974 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
10975 (REG_STRICT_P): New macro.
10976 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
10977 PCREL_GENERAL_OPERAND_OK.
10978 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
10979 m68k_legitimate_base_reg_p.
10980 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
10981 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
10982 (PIC_CASE_VECTOR_ADDRESS): Update comment.
10983 * config/m68k/m68k.c (m68k_address): New structure.
10984 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
10985 (m68k_decompose_index, m68k_legitimate_constant_address_p)
10986 (m68k_jump_table_ref_p, m68k_decompose_address)
10987 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
10988 (m68k_matches_u_p): New functions.
10989 (print_operand_address): Rewrite to use m68k_decompose_index.
10990
10991 2007-03-05 David Taylor <dtaylor@emc.com>
10992
10993 * gcc.c: Correct copyright date in --version output.
10994
10995 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10996
10997 * pa.md: In unamed move patterns, disparge copies between general
10998 and floating point registers using '?' modifier. Don't include 'f'
10999 constraint for register preferences in DImode, SImode, HImode and
11000 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
11001 Remove constraints for copies between general and floating registers
11002 in soft-float DFmode pattern.
11003 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
11004 floating register.
11005 (movsf): Likewise.
11006
11007 2007-03-05 Mike Stump <mrs@apple.com>
11008
11009 * c-common.c (targetcm): Add.
11010 * c-opts.c (c_common_handle_option): Handle language specific
11011 target options.
11012 * opts.c (handle_option): Verify language for target options, if
11013 any are given.
11014 * opth-gen.awk: Add CL_LANG_ALL.
11015 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
11016 (TARGETCM_INITIALIZER): Add.
11017 * target.h (struct gcc_targetcm): Add.
11018 (targetcm): Add.
11019 * targhooks.c (default_handle_c_option): Add.
11020 * targhooks.h (default_handle_c_option): Add.
11021 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
11022
11023 * config/darwin.opt (iframework): Add.
11024 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
11025 * config/darwin-c.c (handle_c_option): Add.
11026 (TARGET_HANDLE_C_OPTION): Add.
11027 (targetcm): Add.
11028 * doc/invoke.texi (Darwin Options): Add -iframework.
11029
11030 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11031
11032 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
11033 conversion.
11034
11035 2007-03-05 Ian Lance Taylor <iant@google.com>
11036
11037 * c.opt (fgnu89-inline): New option.
11038 * c-opts.c (c_common_post_options): Set default value for
11039 flag_gnu89_inline.
11040 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
11041 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
11042 inline functions.
11043 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
11044 (grokdeclarator, start_function): Likewise.
11045 * c-cppbuiltin.c (c_cpp_builtins): Define either
11046 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
11047 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
11048 (C Dialect Options): Document -fgnu89-inline.
11049 * doc/extend.texi (Function Attributes): Explain what the
11050 gnu_inline attribute does.
11051 * doc/cpp.texi (Common Predefined Macros): Document
11052 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
11053
11054 2007-03-05 Ian Lance Taylor <iant@google.com>
11055
11056 PR tree-optimization/31034
11057 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
11058 half-range if the other side is an overflow infinity.
11059
11060 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
11061
11062 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
11063 (bfin*-linux-uclibc*): New configuration.
11064 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
11065 defining.
11066 * config/bfin/linux.h: New file.
11067 * config/bfin/libgcc-bfin.ver: New file.
11068 * config/bfin/t-bfin-uclinux: New file.
11069 * config/bfin/t-bfin-linux: New file.
11070 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
11071 (TARGET_OS_CPP_BUILTINS): New macro.
11072
11073 2007-03-05 Richard Guenther <rguenther@suse.de>
11074
11075 * fold-const.c (fold_binary): Remove duplicate folding
11076 of comparison of non-null ADDR_EXPR against null.
11077
11078 2007-03-05 Richard Guenther <rguenther@suse.de>
11079 Dorit Nuzman <dorit@il.ibm.com>
11080
11081 PR tree-optimization/26420
11082 * tree-vectorizer.c (vectorize_loops): Bail out early if there
11083 are no loops in the function. Only print the number of
11084 vectorized loops if it is greater than zero or we are supposed
11085 to print information about unvectorized loops.
11086
11087 2007-03-05 Revital Eres <eres@il.ibm.com>
11088
11089 * gcc.dg/var-expand1.c: New test.
11090 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
11091 when an accumulator is expanded.
11092
11093 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11094
11095 PR other/30465
11096 * c-common.c (convert_and_check): Don't give warnings for
11097 conversion if 'expr' already overflowed.
11098
11099 2007-03-04 Roger Sayle <roger@eyesopen.com>
11100
11101 PR middle-end/30744
11102 * fold-const.c (fold_comparison): Enforce type consistency when
11103 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
11104
11105 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
11106
11107 * tree-ssa-address.c (create_mem_ref): Do not put an expression
11108 containing a cast to the base of TARGET_MEM_REF.
11109
11110 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
11111
11112 * tree.c (tree_contains_struct_check_failed): Remove spurious
11113 whitespace from error message.
11114
11115 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
11116
11117 PR target/30406
11118 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
11119 instead of precision.
11120
11121 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
11122 Nathan Sidwell <nathan@codesourcery.com>
11123
11124 * emit-rtl.c (find_auto_inc): New.
11125 (try_split): recreate REG_INC notes,
11126 Use regular for loops rather than whiles.
11127
11128 2007-03-03 Andreas Schwab <schwab@suse.de>
11129
11130 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
11131 * configure: Regenerate.
11132
11133 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11134
11135 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
11136 flag_rounding_math, not flag_unsafe_math_optimizations.
11137
11138 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
11139 fold_build2.
11140 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
11141 alpha_fold_vector_minmax): Likewise.
11142 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11143 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
11144
11145 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11146
11147 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
11148 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
11149 if the lhs has side-effects.
11150 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
11151
11152 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11153
11154 * config/i386/i386.h (TUNEMASK): Remove define.
11155 (ARCHMASK): Remove define.
11156 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
11157 Use ix86_arch_mask variable instead of ARCHMASK.
11158 * config/i386/i386.c (override_options): Ditto.
11159 (standard_80387_constant_p): Ditto.
11160
11161 2007-03-02 Ian Lance Taylor <iant@google.com>
11162
11163 Used signed infinities in VRP.
11164 * tree-vrp.c (uses_overflow_infinity): New static function.
11165 (supports_overflow_infinity): New static function.
11166 (make_overflow_infinity): New static function.
11167 (negative_overflow_infinity): New static function.
11168 (positive_overflow_infinity): New static function.
11169 (is_negative_overflow_infinity): New static function.
11170 (is_positive_overflow_infinity): New static function.
11171 (is_overflow_infinity): New static function.
11172 (overflow_infinity_range_p): New static function.
11173 (compare_values_warnv): New function split out of compare_values.
11174 (compare_value): Call it.
11175 (set_value_range_to_nonnegative): Add overflow_infinity
11176 parameter. Change caller.
11177 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
11178 Change callers.
11179 (vrp_expr_computes_nonzero): Likewise.
11180 (compare_ranges, compare_range_with_value): Likewise.
11181 (compare_name_with_value, compare_names): Likewise.
11182 (vrp_evaluate_conditional): Likewise.
11183 (set_value_range): Handle infinity
11184 (vrp_operand_equal_p, operand_less_p): Likewise.
11185 (extract_range_from_assert): Likewise.
11186 (vrp_int_const_binop): Likewise.
11187 (extract_range_from_binary_expr): Likewise.
11188 (extract_range_from_unary_expr): Likewise.
11189 (extract_range_from_comparison): Likewise.
11190 (extract_range_from_expr): Likewise.
11191 (dump_value_range): Likewise.
11192 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
11193 (test_for_singularity): Likewise.
11194 (vrp_int_const_binop): Remove inline qualifier.
11195 (adjust_range_with_scev): Add comment.
11196 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11197
11198 2007-03-02 Diego Novillo <dnovillo@redhat.com>
11199
11200 * tree-ssa-structalias.c (could_have_pointers): Tidy.
11201 (get_constraint_for): Likewise.
11202 (do_structure_copy): Likewise.
11203 (find_func_aliases): Fix references to MODIFY_EXPR.
11204 (intra_create_variable_infos): Tidy.
11205 * tree-ssa-operands.c (add_virtual_operand): Add argument
11206 IS_CALL_SITE.
11207 When adding members of alias sets, if IS_CALL_SITE is true and
11208 the symbol is not call-clobbered, skip it.
11209 Adjust all callers.
11210
11211 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11212
11213 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
11214 entry by means of emit_insn_at_entry.
11215
11216 2007-03-02 Richard Henderson <rth@redhat.com>
11217
11218 * expr.h (promoted_input_arg): Remove decl.
11219 * function.c (promoted_input_arg): Merge into ...
11220 * combine.c (setup_incoming_promotions): ... only caller.
11221 Rearrange to avoid double loop.
11222
11223 2007-03-02 Ben Elliston <bje@au.ibm.com>
11224 Peter Bergner <bergner@vnet.ibm.com>
11225 Janis Johnson <janis187@us.ibm.com>
11226
11227 * config/rs6000/dfp.md: New file.
11228 * config/rs6000/rs6000.md: Include dfp.md.
11229 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
11230 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
11231 and TDmode decimal float modes in FP registers.
11232 (num_insns_constant): Likewise.
11233 (rs6000_legitimate_offset_address_p): Likewise.
11234 (rs6000_legitimize_address): Likewise.
11235 (rs6000_legitimize_reload_address): Likewise.
11236 (rs6000_legitimate_address): Likewise.
11237 (rs6000_emit_move): Likewise.
11238 (function_arg_boundary): Likewise.
11239 (function_arg_advance): Likewise.
11240 (rs6000_darwin64_record_arg_recurse): Likewise.
11241 (function_arg): Likewise.
11242 (rs6000_gimplify_va_arg): Likewise.
11243 (rs6000_split_multireg_move): Likewise.
11244 (rs6000_output_function_epilogue): Likewise.
11245 (rs6000_output_function_epilogue): Likewise.
11246 (rs6000_register_move_cost): Likewise.
11247 (rs6000_function_value): Likewise.
11248 (rs6000_libcall_value): Likewise.
11249
11250 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11251
11252 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
11253
11254 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11255
11256 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
11257 Use $MULTIDIR to choose between the kernel and RTP headers,
11258 and use $WIND_BASE and $WIND_USR to locate them.
11259
11260 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11261
11262 * config/i386/i386.c (override_options): Put initialization of
11263 ix86_tune_mask and ix86_arch_mask to the correct place.
11264
11265 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11266 Michael Meissner <michael.meissner@amd.com>
11267
11268 PR target/31019
11269 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
11270 (ARCHMASK): Define.
11271 (TARGET_CMOVE): Use ARCHMASK.
11272 (TARGET_CMPXCHG): Ditto.
11273 (TARGET_CMPXCHG8B): Ditto.
11274 (TARGET_XADD): Ditto.
11275 (TARGET_BSWAP): Ditto.
11276 * config/i386/i386.c (ix86_tune_mask): New global variable.
11277 (ix86_arch_mask): Ditto.
11278 (override_options): Initialize ix86_tune_mask and
11279 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
11280 target_flags.
11281
11282 2007-03-02 Ben Elliston <bje@au.ibm.com>
11283
11284 PR 30992
11285 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
11286
11287 2007-03-02 Joseph Myers <joseph@codesourcery.com>
11288
11289 * target.h (init_dwarf_reg_sizes_extra): New target hook.
11290 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
11291 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
11292 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
11293 hook.
11294 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
11295 rs6000_init_dwarf_reg_sizes_extra): New.
11296 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
11297 SPE register high parts.
11298
11299 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
11300
11301 * Makefile.in: Add install-pdf target as
11302 copied from automake v1.10 rules.
11303 * configure.ac: Add install-pdf to target list.
11304 * configure: Regenerate.
11305
11306 2007-03-01 Paul Brook <paul@codesourcery.com>
11307
11308 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
11309 modes to LDRD for DImode.
11310 (output_move_double): Fixup out of range ldrd/strd.
11311 (vfp_secondary_reload_class): Rename...
11312 (coproc_secondary_reload_class): ... to this. Add wb argument.
11313 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
11314 coproc_secondary_reload_class for CLASS_IWMMXT.
11315 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
11316 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
11317
11318 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
11319
11320 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
11321 factor by the estimated number of iterations.
11322 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
11323 prefetch latency.
11324
11325 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
11326 decode_caches_intel, detect_caches_intel): New functions.
11327 (host_detect_local_cpu): Use detect_caches_amd and
11328 detect_caches_intel.
11329
11330 2007-03-01 Richard Henderson <rth@redhat.com>
11331
11332 * expr.c (emit_move_complex_push): Export.
11333 (emit_move_complex_parts): Split out from ...
11334 (emit_move_complex): ... here.
11335 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
11336 * config/i386/i386.md (movcdi): New.
11337
11338 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
11339
11340 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
11341 size of mode1 to check for tieable modes in MMX case.
11342
11343 2007-03-01 Richard Sandiford <richard@codesourcery.com>
11344
11345 * Makefile.in (rtlanal.o): Depend on tree.h.
11346 * rtl.h (offset_within_section_p, split_const): Declare.
11347 * rtlanal.c: Include tree.h.
11348 (offset_within_block_p): New function, taken from
11349 mips_offset_within_object_p.
11350 (split_const): New function, taken from mips_split_const.
11351 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
11352 Declare.
11353 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
11354 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
11355 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
11356 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11357 (m68k_illegitimate_symbolic_constant_p): New function.
11358 * config/m68k/m68k.md (movsi): Remove misleading predicates.
11359 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
11360 symbolic constant that might be outside the symbol's section,
11361 move the symbol first and then add the offset.
11362 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
11363 Override.
11364 * config/mips/mips.c (mips_split_const): Delete.
11365 (mips_offset_within_object_p): Delete.
11366 (mips_symbolic_constant_p): Use offset_within_section_p and
11367 split_const instead of mips_offset_within_object_p and
11368 mips_split_const.
11369 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
11370 (mips_legitimize_const_move, print_operand_reloc)
11371 (mips_dangerous_for_la25_p): Use split_const instead of
11372 mips_split_const.
11373
11374 2007-02-28 Eric Christopher <echristo@apple.com>
11375
11376 * Makefile.in (install-include-dir): Don't rm -rf include.
11377
11378 2007-02-28 Richard Guenther <rguenther@suse.de>
11379
11380 PR middle-end/30364
11381 * fold-const.c (fold_binary): Do not associate expressions
11382 with more than one variable for integer types that do not wrap.
11383
11384 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
11385
11386 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
11387 Delete, and replace with...
11388 (fold_builtin_call_array): This. Update callers to use it.
11389 * fold-const.c (fold_build_call_list): Delete, and replace with...
11390 (fold_build_call_array): This.
11391 (fold_build_call_list_initializer): Delete, and replace with...
11392 (fold_build_call_array_initializer): This.
11393 * tree.h: Update declarations to reflect above changes.
11394
11395 * c-typeck.c (build_function_call): Store converted arguments
11396 in a stack-allocated array instead of building a list.
11397 (convert_arguments): Store arguments in the array passed in as an
11398 argument, and return the actual number of arguments.
11399 * c-format.c: (check_function_format): Pass arguments in an
11400 array instead of a list.
11401 * c-common.c (check_function_nonnull): Likewise.
11402 (check_function_sentinel): Likewise.
11403 (check_function_arguments): Likewise.
11404 * c-common.h: Update declarations to reflect above changes.
11405
11406 2007-02-28 Jan Hubicka <jh@suse.cz>
11407
11408 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
11409 PRED_NEGATIVE_RETURN): Update outcomes.
11410
11411 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
11412
11413 * calls.c (emit_library_call_value_1): Handle partial registers
11414 correctly when building up CALL_INSN_FUNCTION_USAGE.
11415
11416 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11417
11418 * pa/predicates.md (move_src_operand): Allow zero for mode.
11419 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
11420 move pattern.
11421
11422 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
11423
11424 PR target/30970
11425 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
11426 *movv2df_internal): Enable pattern only for valid operand
11427 combinations.
11428 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
11429 tie only 128bit modes. For MMX registers, tie only 64bit modes.
11430
11431 2007-02-27 Mike Stump <mrs@apple.com>
11432
11433 * config/darwin-crt3.c: Avoid compilation when compiling for a
11434 kext multilib.
11435
11436 2007-02-27 Joseph Myers <joseph@codesourcery.com>
11437
11438 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
11439 FIXED_INCLUDE_DIR.
11440 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
11441 for fixed headers and limits.h.
11442 (install-include-dir, install-headers-tar, install-headers-cpio,
11443 install-headers-cp, real-install-headers-tar,
11444 real-install-headers-cpio, real-install-headers-cp): Handle
11445 include-fixed as well as include.
11446 (install-mkheaders): Don't install files that go only in include
11447 not include-fixed.
11448 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
11449 from GCC_INCLUDE_DIR.
11450 * gcc.c (process_command): Remove special -BstageN/ handling.
11451 (do_spec_1): Add include-fixed directories.
11452
11453 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11454
11455 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
11456 _smulsi3_highpart.
11457 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
11458 New functions.
11459 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
11460 patterns.
11461
11462 2007-02-27 Mark Mitchell <mark@codesourcery.com>
11463
11464 * c-common.c (get_priority): Add check for
11465 SUPPORTS_INIT_PRIORITY.
11466
11467 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11468
11469 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
11470
11471 * config/bfin/bfin.c: Include "cfglayout.h".
11472 (MAX_LSETUP_DISTANCE): New macro.
11473 (struct loop_info): New members incoming, incoming_src and
11474 incoming_dest. Delete member predecessor.
11475 (length_for_loop): New function.
11476 (bfin_optimize_loop): Handle more different loop structures.
11477 (bfin_discover_loop): Rework detection of predecessor blocks by
11478 examining incoming edges.
11479 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
11480 bfin_reorg_loops.
11481 (bfin_reorder_loops): New function.
11482 (bfin_reorg_loops): Use these three new functions.
11483
11484 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
11485 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
11486 (CONSTRAINT_LEN): Add entry for 'q'.
11487 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
11488 Add 'q' constraints.
11489 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
11490 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
11491
11492 * config/bfin/bfin.md (add_with_carry): New pattern.
11493 (s_or_u, su_optab, su_modifier): New code macros/attrs.
11494 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
11495 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
11496 support unsigned multiplies too. Removed incorrect commutativity from
11497 operand 1 constraint where appropriate.
11498 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
11499 patterns.
11500 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
11501 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
11502 New patterns.
11503 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
11504 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
11505 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
11506 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
11507 usmulhisi_hh_huh): New patterns.
11508
11509 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
11510 lshifthi3): Fix output template to use half reg for operand 2.
11511
11512 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
11513 instead of R2.
11514
11515 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
11516
11517 2007-02-27 Andreas Schwab <schwab@suse.de>
11518
11519 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
11520
11521 2007-02-27 Jan Hubicka <jh@suse.cz>
11522
11523 * predict.c (last_basic_block_p): Remove.
11524 (tree_estimate_probability): Update return heuristic for commonized
11525 return blocks.
11526
11527 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11528
11529 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
11530
11531 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11532
11533 * doc/include/gcc-common.texi (versionsubtitle): New macro.
11534 * doc/cpp.texi: Standardize title page.
11535 * doc/cppinternals.texi: Likewise.
11536 * doc/gcc.texi: Standardize title page, remove version number
11537 from copyright page.
11538 * doc/gccint.texi: Likewise.
11539 * doc/install.texi: Standardize title page, add table of
11540 contents.
11541
11542 2007-02-26 Jan Hubicka <jh@suse.cz>
11543
11544 * predict.def: Set outcomes according to more recent results.
11545 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
11546 Remove dead predictors.
11547 * predict.c (return_prediction): Fix pasto.
11548
11549 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11550
11551 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
11552 change; avoid a memory leak when returning early.
11553
11554 2007-02-26 Mark Mitchell <mark@codesourcery.com>
11555
11556 * c-decl.c (static_ctors): Move to c-common.c.
11557 (static_dtors): Likewise.
11558 (finish_function): Use c_record_cdtor_fn.
11559 (build_cdtor): Move to c-common.c.
11560 (c_write_global_declarations): Use c_build_cdtor_fns.
11561 * c-common.h (static_ctors): Declare.
11562 (static_dtors): Likewise.
11563 (c_record_cdtor_fn): Likewise.
11564 (c_build_cdtor_fns): Likewise.
11565 * c-common.c (static_ctors): New variable.
11566 (static_dtors): Likewise.
11567 (c_record_cdtor_fn): New function.
11568 (build_cdtor): Move from c-decl.c
11569 (c_build_cdtor_fns): New function.
11570
11571 * output.h (assemble_addr_to_section): Declare.
11572 (get_cdtor_priority_section): Likewise.
11573 * varasm.c (assemble_addr_to_section): New function.
11574 (get_cdtor_priority_section): Likewise.
11575 (default_named_section_asm_out_destructor): Use them.
11576 (destor_dtor_section_asm_out_destructor): Likewise.
11577 (default_named_section_asm_out_constructor): Likewise.
11578 (default_ctor_section_asm_out_constructor): Likewise.
11579 * config.gcc (*-*-vxworks*): Include vxworks.o.
11580 * config/t-vxworks (vxworks.o): New target.
11581 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
11582 (TARGET_ASM_CONSTRUCTOR): Define.
11583 (TARGET_ASM_DESTRUCTOR): Likewise.
11584 (vxworks_asm_out_constructor): Declare.
11585 (vxworks_asm_out_destructor): Likewise.
11586
11587 * c-common.c (get_priority): Check that we have not just an
11588 INTEGER_CST, but an integer constant with integeral type.
11589
11590 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
11591
11592 PR tree-optimization/30938
11593 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
11594 use &dt[nargs-1] instead of &dt[nargs] in the call to
11595 vect_is_simple_use().
11596
11597 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
11598
11599 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
11600 from register elimination as PRE_MODIFY / POST_MODIFY increments.
11601 Do not attempt to handle MEM inside auto-inc expressions.
11602 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
11603 of a register modified by an auto-inc expression. However, do handle
11604 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
11605 (elimination_effects): Prohibit elimination of a register modified
11606 by an auto-inc expression. Disable register elimination rules whose
11607 target register is modified by an auto-inc expression with variable
11608 increment.
11609
11610 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
11611
11612 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
11613 off-by-one error.
11614 (array_at_struct_end_p): New function.
11615 (idx_infer_loop_bounds): Use it.
11616 (estimate_numbers_of_iterations_loop): Export.
11617 * predict.c (predict_loops): Use estimated_loop_iterations_int.
11618 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
11619 (tree_estimate_probability): Call record_loop_exits.
11620 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
11621 (estimated_loop_iterations, estimated_loop_iterations_int,
11622 estimated_loop_iterations_tree): New functions.
11623 (analyze_siv_subscript_cst_affine,
11624 compute_overlap_steps_for_affine_1_2,
11625 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
11626 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
11627 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
11628 (PRED_LOOP_ITERATIONS_GUESSED): New.
11629 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
11630 * cfgloop.h (estimate_numbers_of_iterations_loop,
11631 estimated_loop_iterations_int): Declare.
11632
11633 2007-02-25 Mark Mitchell <mark@codesourcery.com>
11634
11635 * doc/extend.texi: Document optional priority argument to
11636 constructors and destructors.
11637 * tree.c (init_priority_for_decl): Adjust GTY markers.
11638 (init_ttree): Use priority-info hash functions for
11639 init_priority_for_decl.
11640 (tree_map_eq): Rename to ...
11641 (tree_map_base_eq): ... this.
11642 (tree_map_marked_p): Rename to ...
11643 (tree_map_base_marked_p): ... this.
11644 (tree_map_base_hash): New function.
11645 (decl_init_priority_lookup): Rework.
11646 (decl_fini_priority_lookup): New function.
11647 (decl_priority_info): New function.
11648 (decl_init_priority_insert): Use it.
11649 (decl_fini_priority_insert): Likewise.
11650 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
11651 hierarchy.
11652 (decl_restrict_base_insert): Likewise.
11653 (decl_debug_expr_insert): Likewise.
11654 (decl_value_expr_lookup): Likewise.
11655 (decl_value_expr_insert): Likewise.
11656 * tree.h (priority_type): New type.
11657 (decl_init_priority_lookup): Use priority_type.
11658 (decl_fini_priority_lookup): New function.
11659 (decl_init_priority_insert): Use priority_type.
11660 (decl_fini_priority_insert): New function.
11661 (DECL_HAS_INIT_PRIORITY): Tweak comments.
11662 (DECL_INIT_PRIORITY): Likewise.
11663 (SET_DECL_INIT_PRIORITY): Add comment.
11664 (DECL_FINI_PRIORITY): New macro.
11665 (SET_DECL_FINI_PRIORITY): Likewise.
11666 (DEFAULT_INIT_PRIORITY): Document.
11667 (MAX_INIT_PRIORITY): Likewise.
11668 (MAX_RESERVED_INIT_PRIORITY): Likewise.
11669 (tree_map_base): New type.
11670 (tree_map_base_eq): New function.
11671 (tree_map_base_hash): Likewise.
11672 (tree_map_base_marked_p): Likewise.
11673 (tree_map): Inherit from tree_map_base.
11674 (tree_map_eq): Make it a macro.
11675 (tree_map_marked_p): Likewise.
11676 (tree_int_map): Inherit from tree_map_base.
11677 (tree_int_map_eq): Make it a macro.
11678 (tree_int_map_hash): Likewise.
11679 (tree_int_map_marked_p): Likewise.
11680 (tree_priority_map): New type.
11681 (tree_priority_map_eq): New macro.
11682 (tree_priority_map_hash): Likewise.
11683 (tree_priority_map_marked_p): Likewise.
11684 * varasm.c (emults_decl): Adjust for refactoring of tree_map
11685 hierarchy.
11686 (emutls_common_1): Likewise.
11687 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
11688 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
11689 of tree_map hierarchy.
11690 * tree-cfg.c (move_stmt_r): Likewise.
11691 (new_label_mapper): Likewise.
11692 * c-tree.h (c_expand_body): Move to ...
11693 * c-common.h (c_expand_body): ... here.
11694 * c-decl.c (c_expand_body): Move to ...
11695 * c-common.c (c_expand_body): ... here.
11696 (c_common_attribute_table): Allow 1 argument for the constructor
11697 and destructor attributes.
11698 (get_priority): New function.
11699 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
11700 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
11701
11702 2007-02-24 Jan Hubicka <jh@suse.cz>
11703
11704 PR middle-end/30509
11705 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
11706
11707 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11708 Jan Hubicka <jh@suse.cz>
11709
11710 PR target/30778
11711 * i386.c (counter_mode): New function.
11712 (expand_set_or_movmem_via_loop): Use it.
11713 (expand_movmem_epilogue): Likewise; fix pasto.
11714 (ix86_expand_movmem): Do emit guard even for constant counts.
11715 (ix86_expand_setmem): Likewise.
11716
11717 2007-02-25 Nick Clifton <nickc@redhat.com>
11718
11719 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
11720 (JUMP_TABLES_IN_TEXT_SECTION): Define.
11721
11722 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11723
11724 PR target/30770
11725 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
11726 count argument with 0x10, not with 0x16.
11727 (expand_setmem_epilogue): Ditto.
11728
11729 2007-02-24 Mike Stump <mrs@apple.com>
11730
11731 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
11732 symbols.
11733
11734 2007-02-24 Richard Guenther <rguenther@suse.de>
11735
11736 PR middle-end/30951
11737 * fold-const.c (fold_binary): Fold x +- CST op x for
11738 EQ_EXPR and NE_EXPR.
11739
11740 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11741
11742 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
11743
11744 2007-02-24 Jan Hubicka <jh@suse.cz>
11745
11746 * cgraphunit.c (decide_is_function_needed): Honor
11747 -fkeep-inline-functions.
11748
11749 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11750
11751 * builtins.c (fold_builtin_modf): New.
11752 (fold_builtin_2): Use it.
11753
11754 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
11755
11756 * loop-iv.c (implies_p): Detect additional cases where A implies B.
11757 (determine_max_iter): Take additional LOOP arg; all callers changed.
11758 Lose broken logic dealing with PLUS. Try to limit the upper bound by
11759 one using simplifications.
11760 (simplify_using_initial_values): Return if the expression becomes
11761 invalid due to altered regs.
11762
11763 2007-02-23 DJ Delorie <dj@redhat.com>
11764
11765 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
11766
11767 2007-02-23 Mike Stump <mrs@apple.com>
11768
11769 * tlink.c (scan_linker_output): Parse linker messages from
11770 darwin9's linker better.
11771
11772 2007-02-23 Steve Ellcey <sje@cup.hp.com>
11773
11774 PR debug/29614
11775 * varpool.c (varpool_assemble_pending_decls): Set
11776 varpool_last_needed_node to null.
11777
11778 2007-02-23 DJ Delorie <dj@redhat.com>
11779
11780 * config/i386/i386.c (ix86_data_alignment): Don't specify an
11781 alignment bigger than the object file can handle.
11782
11783 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
11784
11785 PR target/30825
11786 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
11787 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
11788 (*movsf_1): Penalize MMX moves.
11789
11790 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
11791
11792 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
11793 2^32-1 or more times unless flag_unsafe_loop_optimizations.
11794
11795 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
11796
11797 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11798
11799 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
11800 (fold_builtin_1): Use them.
11801 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
11802 BUILT_IN_SIGNIFICAND.
11803
11804 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
11805
11806 * config/i386/i386.c (bdesc_1arg): Initialize
11807 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
11808 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
11809 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
11810 and IX86_BUILTIN_MOVSLDUP.
11811
11812 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
11813
11814 PR rtl-optimization/30841
11815 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
11816
11817 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11818
11819 * builtins.c (fold_builtin_frexp): New.
11820 (fold_builtin_2): Use it.
11821
11822 2007-02-22 Mark Mitchell <mark@codesourcery.com>
11823
11824 * doc/invoke.texi (Spec Files): Document getenv spec function.
11825
11826 * gcc.c (getenv_spec_function): New function.
11827 (static_spec_functions): Add it.
11828 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
11829 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
11830 header files.
11831
11832 2007-02-22 Michael Matz <matz@suse.de
11833
11834 PR c++/29433
11835 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
11836 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
11837
11838 2007-02-22 Ian Lance Taylor <iant@google.com>
11839
11840 PR debug/30898
11841 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
11842 (mem_loc_descriptor): Call it.
11843
11844 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
11845 Ira Rosen <irar@il.ibm.com>
11846
11847 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
11848
11849 2007-02-22 Ira Rosen <irar@il.ibm.com>
11850
11851 PR tree-optimization/30843
11852 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
11853 stores only after all the group is vectorized.
11854
11855 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
11856
11857 PR tree-optimization/30858
11858 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
11859 in the reduction cycle have a single use in the loop.
11860 * tree-vectorizer.h (relevant): Add documentation.
11861
11862 2007-02-20 Mike Stump <mrs@apple.com>
11863
11864 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
11865 * configure: Regenerate.
11866
11867 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
11868
11869 Change the defaults of some parameters and options.
11870 * config/spu/spu-protos.h (spu_optimization_options): Declare.
11871 * config/spu/spu.c (spu_optimization_options): Add.
11872 (spu_override_options): Change params in spu_optimization_options.
11873 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
11874
11875 Register 127 is only 16 byte aligned when used as a frame pointer.
11876 * config/spu/spu-protos.h (spu_init_expanders): Declare.
11877 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
11878 HARD_FRAME_POINTER_REGNUM.
11879 (spu_legitimate_address): Use regno_aligned_for_reload.
11880 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
11881 aligned when frame_pointer_needed is true.
11882 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
11883 to 8 bits.
11884 * config/spu/spu.h (INIT_EXPANDERS): Define.
11885
11886 Make sure shift and rotate instructions have valid immediate operands.
11887 * config/spu/predicates.md (spu_shift_operand): Remove.
11888 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
11889 * config/spu/constraints.md (W, O): Extend range.
11890 * config/spu/spu.md (umask, nmask): Define.
11891 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
11892 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
11893 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
11894 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
11895 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
11896 (lshr<mode>3_reg): Fix rtl description.
11897
11898 Make sure mulhisi immediate operands are valid.
11899 * config/spu/predicates.md (imm_K_operand): Add.
11900 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
11901
11902 Generate constants using fsmbi and andi.
11903 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
11904 (print_operand, spu_split_immediate, classify_immediate,
11905 fsmbi_const_p): Handle IC_FSMBI2.
11906
11907 Correctly handle a CONST_VECTOR containing symbols.
11908 * config/spu/spu.c (print_operand): Handle HIGH correctly.
11909 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
11910 (immediate_load_p): Allow symbols that use 2 instructions to create.
11911 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
11912 with symbols when flag_pic is set.
11913 (const_vector_immediate_p): New.
11914 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
11915 accept a CONST_VECTOR with symbols.
11916 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
11917 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
11918 correctly.
11919 * config/spu/spu.md (high, low): Delete.
11920 (low_<mode>): Define.
11921
11922 Remove INTRmode and INTR_REGNUM, which didn't work.
11923 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
11924 of INTR_REGNUM.
11925 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
11926 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
11927 peephole2 pattern): Don't use INTR or 131.
11928 (movintrcc): Delete.
11929 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
11930 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
11931 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
11932 (UNSPEC_SET_INTR): Add.
11933 * config/spu/spu-modes.def (INTR): Remove.
11934
11935 More accurate warnings about run-time relocations.
11936 * config/spu/spu.c (reloc_diagnostic): Test in_section.
11937
11938 Correctly warn about immediate arguments to specific intrinsics.
11939 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
11940 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
11941 the instruction predicate.
11942
11943 Fix tree check errors with latest update.
11944 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
11945 CALL_EXPR_ARG.
11946 (spu_expand_builtin): Use CALL_EXPR_FN.
11947
11948 Add missing specific intrinsics.
11949 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
11950 si_bislede.
11951 * config/spu/spu_internals.h: Ditto.
11952
11953 Fix incorrect operand modifiers.
11954 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
11955 * config/spu/spu.md (xor<mode>3): Change %S to %J.
11956
11957 Optimize one case of zero_extend of a vec_select.
11958 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
11959
11960 Accept any immediate for hbr.
11961 * config/spu/spu.md (hbr): Change s constraints to i.
11962
11963 2007-02-21 Paul Brook <paul@codesourcery.com>
11964
11965 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
11966 condexec_count when skipping USE and CLOBBER.
11967
11968 2007-02-21 Nick Clifton <nickc@redhat.com>
11969
11970 * common.opt (Warray-bounds): Add Warning attribute.
11971 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
11972 Likewise.
11973 (fsized-zeroes): Add Optimization attribute.
11974 (fsplit-wide-types, ftree-scev-cprop): Likewise.
11975 * c.opt (Wc++0x-compat): Add Warning attribute.
11976
11977 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
11978
11979 PR middle-end/30761
11980 * reload1.c (eliminate_regs_in_insn): In the single_set special
11981 case, attempt to re-recognize the insn before falling back to
11982 having reload fix it up.
11983
11984 2007-02-20 Eric Christopher <echristo@gmail.com>
11985
11986 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
11987 Rewrite accordingly.
11988 (frv_read_iacc_argument): Ditto.
11989 (frv_expand_set_builtin): Take a call instead of arglist, update for
11990 above changes.
11991 (frv_expand_unop_builtin): Ditto.
11992 (frv_expand_binop_builtin): Ditto.
11993 (frv_expand_cut_builtin): Ditto.
11994 (frv_expand_binopimm_builtin): Ditto.
11995 (frv_expand_voidbinop_builtin): Ditto.
11996 (frv_expand_int_void2arg): Ditto.
11997 (frv_expand_prefetches): Ditto.
11998 (frv_expand_voidtriop_builtin): Ditto.
11999 (frv_expand_voidaccop_builtin): Ditto.
12000 (frv_expand_load_builtin): Ditto.
12001 (frv_expand_store_builtin): Ditto.
12002 (frv_expand_mdpackh_builtin): Ditto.
12003 (frv_expand_mclracc_builtin): Ditto.
12004 (frv_expand_mrdacc_builtin): Ditto.
12005 (frv_expand_mwtacc_builtin): Ditto.
12006 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
12007 calls for above.
12008
12009 2007-02-20 Janis Johnson <janis187@us.ibm.com>
12010
12011 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
12012 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
12013 cmpb instruction.
12014 (HAVE_GAS_DFP): Check for assembler support of decimal floating
12015 point instructions.
12016 * configure: Regenerate.
12017 * config.in: Regenerate.
12018 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
12019 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
12020 masks to power6 and power6x and to POWERPC_MASKS.
12021 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12022 _ARCH_PWR6.
12023 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
12024 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
12025 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
12026 Access PROTOTYPE as variable, not mask.
12027
12028 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12029
12030 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
12031 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
12032 * combine.c (adjust_for_new_dest): Use it.
12033 * postreload.c (reload_combine): Likewise.
12034
12035 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12036
12037 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
12038 notes on an insn with multiple sets, even if single_set returns
12039 non-NULL for that insn.
12040
12041 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12042
12043 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
12044 scalbn and scalbln.
12045
12046 2007-02-20 Geoffrey Keating <geoffk@apple.com>
12047
12048 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
12049 if user didn't pass it.
12050 * config/i386/darwin.h (CC1_SPEC): Likewise.
12051 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
12052 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
12053 -mmacosx-version-min.
12054
12055 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12056 Uros Bizjak <ubizjak@gmail.com>
12057
12058 * optabs.h (enum optab_index): Add new OTI_scalb.
12059 (scalb_optab): Define corresponding macro.
12060 * optabs.c (init_optabs): Initialize scalb_optab.
12061 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
12062 patterns.
12063 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
12064 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
12065 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12066 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
12067 flag_unsafe_math_optimizations is set.
12068
12069 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
12070 to implement scalbf, scalb and scalbl built-ins as inline x87
12071 intrinsics.
12072
12073 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12074 DJ Delorie <dj@redhat.com>
12075
12076 PR other/30824
12077 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
12078 (diagnostic_report_diagnostic): ... here, and turn them into real
12079 errors. If warnings are inhibited, no need to do anything.
12080
12081 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
12082
12083 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
12084 better code generation.
12085
12086 2007-02-20 Ben Elliston <bje@au.ibm.com>
12087
12088 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
12089
12090 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
12091
12092 * config/alpha/alpha.c, config/alpha/alpha.md,
12093 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
12094 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
12095 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
12096 config/arm/lib1funcs.asm: Follow spelling conventions.
12097
12098 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
12099 config/fr30/fr30.md, config/i386/i386.h,
12100 config/iq2000/iq2000.h, config/iq2000/predicates.md,
12101 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
12102 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
12103 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
12104 config/rs6000/altivec.md, config/rs6000/rs6000.c,
12105 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
12106 config/sparc/sparc.c, config/sparc/sparc.h,
12107 config/sparc/sparc.md, config/spu/constraints.md,
12108 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
12109 conventions.
12110
12111 2007-02-20 Alan Modra <amodra@bigpond.net.au>
12112
12113 PR target/29943
12114 * varasm.c (use_blocks_for_decl_p): Return false for decls with
12115 alias attribute.
12116
12117 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12118
12119 * doc/invoke.texi (-ftree-lrs): Remove.
12120
12121 2007-02-19 Diego Novillo <dnovillo@redhat.com>
12122
12123 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
12124 NULL.
12125
12126 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
12127
12128 * config/ia64/ia64.c (ia64_expand_builtin): Use the
12129 new CALL_EXPR_FN macro for retrieving the function
12130 declaration of the input expression.
12131
12132 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12133
12134 * c.opt (Waddress): New.
12135 * common.opt (Walways-true): Delete.
12136 (Wstring-literal-comparison): Delete.
12137 * doc/invoke.texi (Warning Options): Delete -Walways-true and
12138 -Wstring-literal-comparison. Add -Waddress.
12139 (Waddress): New.
12140 (Walways-true): Delete.
12141 (Wstring-literal-comparison): Delete.
12142 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12143 consistently instead of -Walways-true in example.
12144 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
12145 * c-typeck.c (parser_build_binary_op): Replace
12146 -Wstring-literal-comparison and -Walways-true with -Waddress.
12147 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
12148 with -Waddress.
12149
12150 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12151
12152 * tree-cfg.c (dump_function_to_file): Be prepared for functions
12153 without DECL_STRUCT_FUNCTION initialized.
12154
12155 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12156
12157 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
12158 due to calls to functions taking pointers as parameters.
12159
12160 2007-02-19 Richard Henderson <rth@redhat.com>
12161
12162 PR debug/29558
12163 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
12164 in memory.
12165
12166 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
12167
12168 * config/s390/s390.c (s390_call_saved_register_used,
12169 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
12170 accessed to the new scheme.
12171
12172 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12173
12174 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
12175 (cris_print_index, cris_print_operand, cris_print_operand_address)
12176 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
12177 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
12178 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
12179 GET_CODE () == xxx.
12180 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
12181 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
12182 GO_IF_LEGITIMATE_ADDRESS): Ditto.
12183 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
12184 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
12185 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
12186 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
12187 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
12188 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
12189 (uminsi3, call, call_value): Ditto.
12190 (define_split: indir_to_reg_split, unnamed): Ditto.
12191
12192 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
12193
12194 PR tree-optimization/30975
12195 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
12196 wrong assert.
12197
12198 2007-02-18 Eric Christopher <echristo@gmail.com>
12199
12200 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
12201 Remove use of arglist.
12202 (mips_expand_builtin): Remove use of arglist, pass in expr.
12203 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
12204 (mips_expand_builtin_movtf): Ditto.
12205 (mips_expand_builtin_compare): Ditto.
12206
12207 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12208
12209 * tree-sra.c (sra_build_assignment): Replace assertion
12210 checking with a comment explaining why it can't be done.
12211
12212 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12213
12214 PR middle-end/30833
12215 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
12216 during CALL_EXPR representation conversion.
12217 * tree-ssa-propagate.c (set_rhs): Likewise.
12218
12219 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12220
12221 * tree-sra.c (sra_build_assignment): Disable assertion checking
12222 for now.
12223
12224 2007-02-18 Roger Sayle <roger@eyesopen.com>
12225
12226 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
12227 instead of calling build2 with a GIMPLE_MODIFY_STMT.
12228 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
12229 Likewise.
12230 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
12231 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
12232 gimplify_init_ctor_eval_range, gimple_push_cleanup,
12233 gimplify_omp_for, gimplify_omp_atomic_pipeline,
12234 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
12235 force_gimple_operand): Likewise.
12236 * ipa-cp.c (constant_val_insert): Likewise.
12237 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12238 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
12239 perfect_nestify): Likewise.
12240 * langhooks.c (lhd_omp_assignment): Likewise.
12241 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
12242 lower_copyprivate_clauses, lower_send_clauses,
12243 lower_send_shared_vars, expand_parallel_call,
12244 expand_omp_for_generic, expand_omp_for_static_nochunk,
12245 expand_omp_for_static_chunk, expand_omp_sections,
12246 lower_omp_single_copy, lower_omp_for_lastprivate,
12247 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
12248 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
12249 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
12250 Likewise.
12251
12252 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12253
12254 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
12255 config/sh/sh.md: Follow spelling conventions.
12256
12257 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
12258 config/frv/predicates.md: Follow spelling conventions.
12259
12260 * config/m68k/linux-unwind.h: Fix a comment typo.
12261 * target.h: Follow spelling conventions.
12262
12263 2007-02-18 Roger Sayle <roger@eyesopen.com>
12264
12265 PR rtl-optimization/28173
12266 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
12267 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
12268 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
12269 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
12270 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
12271
12272 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12273
12274 * builtins.c (fold_builtin_load_exponent): New.
12275 (fold_builtin_2): Use it.
12276
12277 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
12278
12279 PR rtl-optimization/30773
12280 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
12281 if we fail to attach a REG_EQUIV note.
12282
12283 2007-02-18 David Edelsohn <edelsohn@gnu.org>
12284 Roger Sayle <roger@eyesopen.com>
12285
12286 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
12287
12288 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12289
12290 * calls.c (initialize_argument_information): Pass original EXP
12291 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
12292 code to split complex arguments here, as part of initializing the
12293 ARGS array.
12294 (expand_call): Remove code that builds a list of arguments and
12295 inserts implicit arguments into it. Instead, just count how many
12296 implicit arguments there will be so we can determine the size of
12297 the ARGS array, and let initialize_argument_information do the work.
12298 (split_complex_values): Delete unused function.
12299
12300 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12301
12302 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
12303
12304 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12305
12306 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
12307 for arg pointer based indexed addressing.
12308
12309 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12310
12311 * config/ia64/ia64.h, config/ia64/ia64.md,
12312 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
12313 spelling conventions.
12314
12315 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12316
12317 * config/m68k/m68k.c (split_di): New.
12318 * config/m68k/m68k-protos.h: Declare split_di.
12319 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
12320 Improve predicate handling and split constant shifts.
12321
12322 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12323
12324 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
12325 parameter for register bitfield operations, general predicates
12326 cleanup
12327
12328 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12329
12330 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
12331 * config/m68k/linux-unwind.h: New file.
12332
12333 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12334
12335 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
12336 config/i386/athlon.md, config/ia64/ia64.md,
12337 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
12338 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
12339 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
12340 tree-ssa-loop-niter.c, tree-vect-analyze.c,
12341 tree-vect-transform.c: Fix comment typos.
12342
12343 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
12344
12345 * sched-deps.c (find_insn_list): Remove.
12346 * sched-int.h: Remove the prototype for find_insn_list.
12347
12348 2007-02-16 Geoffrey Keating <geoffk@apple.com>
12349
12350 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
12351 to linker.
12352 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
12353 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
12354 darwin_rs6000_override_options.
12355 (C_COMMON_OVERRIDE_OPTIONS): Expect
12356 darwin_macosx_version_min to be non-NULL always.
12357 (TARGET_C99_FUNCTIONS): Likewise.
12358 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
12359 (DARWIN_MINVERSION_SPEC): New.
12360 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
12361 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
12362 to cc1*.
12363 (DARWIN_MINVERSION_SPEC): New.
12364 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
12365 value.
12366 * config/darwin-c.c (darwin_cpp_builtins): Expect
12367 darwin_macosx_version_min to be non-NULL always.
12368
12369 * config/rs6000/rs6000.c: Clean up trailing whitespace.
12370
12371 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
12372
12373 * config/i386/i386.h (x86_use_xchgb): New.
12374 (TARGET_USE_XCHGB): New macro.
12375 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
12376 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
12377 Split after reload into bswaphi for shifts of 8.
12378 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
12379 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
12380 or when optimizing for size.
12381
12382 2007-02-16 Richard Guenther <rguenther@suse.de>
12383 Christian Bruel <christian.bruel@st.com>
12384
12385 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
12386 DECLs but prefer SSA_NAMEs over DECLs.
12387
12388 2007-02-16 Richard Guenther <rguenther@suse.de>
12389
12390 * tree-flow-inline.h (single_imm_use_p): Remove.
12391 (zero_imm_uses_p): Likewise.
12392 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
12393 instead of single_imm_use_p.
12394 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
12395 zero_imm_uses_p.
12396
12397 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12398
12399 PR other/27843
12400 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
12401 nested double- and backquotes.
12402
12403 2007-02-15 Roger Sayle <roger@eyesopen.com>
12404
12405 PR middle-end/30391
12406 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
12407 should be unreachable.
12408 (build2_stat): Allow construction of MODIFY_EXPR at any time.
12409 For the time being redirect GIMPLE_MODIFY_STMT to the new
12410 (renamed) build_gimple_modify_stmt_stat.
12411 (build2_gimple_stat): Rename to...
12412 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
12413 Always build a GIMPLE_MODIFY_STMT node.
12414 * tree.h (build2_gimple, build2_gimple_stat): Delete.
12415 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
12416 declarations.
12417
12418 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
12419 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
12420 * tree-complex.c (set_component_ssa_name, expand_complex_move,
12421 expand_complex_div_wide): Likewise.
12422 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
12423 * tree-ssa-loop-im.c (schedule_sm): Likewise.
12424 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
12425 * tree-ssa-loop-manip.c (create_iv): Likewise.
12426 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
12427 abs_replacement): Likewise.
12428 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
12429 realify_fake_stores): Likewise.
12430
12431 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
12432 node rather than a GIMPLE_MODIFY_STMT node.
12433 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
12434 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
12435 Likewise.
12436 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
12437 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
12438 GIMPLE_MODIFY_STMT.
12439
12440 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12441
12442 PR middle-end/30433
12443 * fold-const.c (fold_comparison): Add back the
12444 folding of constant complex comparisions.
12445
12446 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12447
12448 PR middle-end/30729
12449 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
12450 effects unknown to this function, return early.
12451
12452 2007-02-15 Ian Lance Taylor <iant@google.com>
12453
12454 * lower-subreg.c (move_eh_region_note): New static function.
12455 (resolve_simple_move): Call it.
12456 (decompose_multiword_subregs): Track blocks for which we resolve a
12457 simple move which is also a control flow insn. Pass them to
12458 find_many_sub_basic_blocks.
12459 (pass_lower_subreg): Add TODO_verify_flow.
12460 (pass_lower_subreg2): Likewise.
12461
12462 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12463 Brooks Moses <brooks.moses@codesourcery.com>
12464 Lee Millward <lee.millward@codesourcery.com>
12465
12466 * tree.h (enum tree_code_class): Add tcc_vl_exp.
12467 (VL_EXP_CLASS_P): New.
12468 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
12469 TREE_CODE_LENGTH.
12470 (TREE_OPERAND_CHECK_CODE): Likewise.
12471 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
12472 (TREE_RTL_OPERAND_CHECK): Likewise.
12473 (tree_operand_check_failed): Make second parameter the whole tree
12474 instead of its code. Fixed callers.
12475 (VL_EXP_CHECK): New.
12476 (TREE_OPERAND_LENGTH): New.
12477 (VL_EXP_OPERAND_LENGTH): New.
12478 (CALL_EXPR_FN): New.
12479 (CALL_EXPR_STATIC_CHAIN): New.
12480 (CALL_EXPR_ARGS): New.
12481 (CALL_EXPR_ARG): New.
12482 (call_expr_nargs): New.
12483 (CALL_EXPR_ARGP): New.
12484 (build_nt_call_list): Declare.
12485 (build_vl_exp_stat): Declare.
12486 (build_vl_exp): New.
12487 (build_call_list): Declare.
12488 (build_call_nary): Declare.
12489 (build_call_valist): Declare.
12490 (build_call_array): Declare.
12491 (call_expr_arg): Declare.
12492 (call_expr_argp): Declare.
12493 (call_expr_arglist): Declare.
12494 (fold_build_call_list): Declare.
12495 (fold_build_call_list_initializer): Declare.
12496 (fold_call_expr): Declare to replace fold_builtin.
12497 (fold_builtin_fputs): Update to agree with modified definition.
12498 (fold_builtin_strcpy): Likewise.
12499 (fold_builtin_strncpy): Likewise.
12500 (fold_builtin_memory_chk): Likewise.
12501 (fold_builtin_stxcpy_chk): Likewise.
12502 (fold_builtin_strncpy_chk): Likewise.
12503 (fold_builtin_next_arg): Likewise.
12504 (fold_build_call_expr): Declare.
12505 (fold_builtin_call_list): Declare.
12506 (fold_builtin_call_valist): Declare.
12507 (build_call_expr): Declare.
12508 (validate_arglist): Update to agree with modified definition.
12509 (tree_operand_length): New.
12510 (call_expr_arg_iterator): New.
12511 (init_call_expr_arg_iterator): New.
12512 (next_call_expr_arg): New.
12513 (first_call_expr_arg): New.
12514 (more_call_expr_args_p): New.
12515 (FOR_EACH_CALL_EXPR_ARG): New.
12516
12517 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
12518 and tcc_gimple_stmt.
12519 (tree_code_size): Update documentation. Use sizeof (tree) rather
12520 than sizeof (char *).
12521 (tree_size): Likewise. Add case for tcc_vl_exp.
12522 (tree_node_structure): Add case for tcc_vl_exp.
12523 (contains_placeholder_p): Likewise.
12524 (substitute_in_expr): Likewise.
12525 (substitute_placeholder_in_expr): Likewise.
12526 (stabilize_reference_1): Likewise.
12527 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
12528 to diagnose breakage of this interface for constructing CALL_EXPRs.
12529 (build_nt): Add similar assertion here.
12530 (build_nt_call_list): New.
12531 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
12532 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
12533 TREE_CODE_LENGTH.
12534 (get_callee_fndecl): Use new CALL_EXPR accessors.
12535 (tree_operand_check_failed): Change parameters to pass entire node
12536 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
12537 (process_call_operands): New.
12538 (build_vl_exp_stat): New.
12539 (build_call_list): New.
12540 (build_call_nary): New.
12541 (build_call_valist): New.
12542 (build_call_array): New.
12543 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12544 (call_expr_arglist): New.
12545
12546 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
12547 tcc_vl_exp instead of a fixed-size tcc_expression.
12548
12549 * doc/c-tree.texi (CALL_EXPR): Document new representation and
12550 accessors for CALL_EXPRs.
12551 (AGGR_INIT_EXPR): Likewise.
12552
12553 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12554 Brooks Moses <brooks.moses@codesourcery.com>
12555 Lee Millward <lee.millward@codesourcery.com>
12556
12557 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
12558 (expand_builtin_nonlocal_goto): Change parameter to be entire
12559 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
12560 (expand_builtin_prefetch): Likewise.
12561 (expand_builtin_classify_type): Likewise.
12562 (mathfn_built_in): Return NULL_TREE instead of 0.
12563 (expand_errno_check): Use new CALL_EXPR accessors.
12564 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
12565 Return NULL_RTX instead of 0.
12566 (expand_builtin_mathfn_2): Likewise.
12567 (expand_builtin_mathfn_3): Likewise.
12568 (expand_builtin_interclass_mathfn): Likewise.
12569 (expand_builtin_sincos): Likewise.
12570 (expand_builtin_cexpi): Likewise.
12571 (expand_builtin_int_roundingfn): Likewise.
12572 (expand_builtin_int_roundingfn_2): Likewise.
12573 (expand_builtin_pow): Likewise.
12574 (expand_builtin_powi): Likewise.
12575 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
12576 of arglist, fixing callers appropriately. Use new CALL_EXPR
12577 accessors and constructors. Return NULL_RTX instead of 0.
12578 (expand_builtin_strstr): Likewise.
12579 (expand_builtin_strchr): Likewise.
12580 (expand_builtin_strrchr): Likewise.
12581 (expand_builtin_strpbrk): Likewise.
12582 (expand_builtin_memcpy): Likewise.
12583 (expand_builtin_mempcpy): Likewise.
12584 (expand_builtin_mempcpy_args): New.
12585 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
12586 (expand_builtin_memmove_args): New.
12587 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
12588 (expand_movstr): Likewise.
12589 (expand_builtin_strcpy): Likewise.
12590 (expand_builtin_strcpy_args): New.
12591 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
12592 (expand_builtin_strncpy): Likewise.
12593 (expand_builtin_memset): Likewise.
12594 (expand_builtin_memset_args): New.
12595 (expand_builtin_bzero): Similarly to expand_builtin_memset.
12596 (expand_builtin_memcmp): Likewise.
12597 (expand_builtin_strcmp): Likewise.
12598 (expand_builtin_strncmp): Likewise.
12599 (expand_builtin_strcat): Likewise.
12600 (expand_builtin_strncat): Likewise.
12601 (expand_builtin_strspn): Likewise.
12602 (expand_builtin_strcspn): Likewise.
12603 (expand_builtin_args_info): Likewise.
12604 (expand_builtin_va_start): Likewise.
12605 (gimplify_va_arg_expr): Likewise.
12606 (expand_builtin_va_end): Likewise.
12607 (expand_builtin_va_copy): Likewise.
12608 (expand_builtin_frame_address): Likewise.
12609 (expand_builtin_alloca): Likewise.
12610 (expand_builtin_bswap): Likewise.
12611 (expand_builtin_unop): Likewise.
12612 (expand_builtin_fputs): Likewise.
12613 (expand_builtin_expect): Likewise.
12614 (expand_builtin_fabs): Likewise.
12615 (expand_builtin_copysign): Likewise.
12616 (expand_builtin_printf): Likewise.
12617 (expand_builtin_fprintf): Likewise.
12618 (expand_builtin_sprintf): Likewise.
12619 (expand_builtin_init_trampoline): Likewise.
12620 (expand_builtin_signbit): Likewise.
12621 (expand_builtin_fork_or_exec): Likewise.
12622 (expand_builtin_sync_operation): Likewise.
12623 (expand_builtin_compare_and_swap): Likewise.
12624 (expand_builtin_lock_test_and_set): Likewise.
12625 (expand_builtin_lock_release): Likewise.
12626 (expand_builtin): Likewise.
12627 (builtin_mathfn_code): Likewise.
12628
12629 (fold_builtin_constant_p): Pass call arguments individually instead
12630 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12631 accessors and constructors. Return NULL_TREE instead of 0.
12632 (fold_builtin_expect): Likewise.
12633 (fold_builtin_classify_type): Likewise.
12634 (fold_builtin_strlen): Likewise.
12635 (fold_builtin_nan): Likewise.
12636 (integer_valued_real_p): Likewise.
12637 (fold_trunc_transparent_mathfn): Likewise.
12638 (fold_fixed_mathfn): Likewise.
12639 (fold_builtin_cabs): Likewise.
12640 (fold_builtin_sqrt): Likewise.
12641 (fold_builtin_cbrt): Likewise.
12642 (fold_builtin_cos): Likewise.
12643 (fold_builtin_cosh): Likewise.
12644 (fold_builtin_tan): Likewise.
12645 (fold_builtin_sincos): Likewise.
12646 (fold_builtin_cexp): Likewise.
12647 (fold_builtin_trunc): Likewise.
12648 (fold_builtin_floor): Likewise.
12649 (fold_builtin_ceil): Likewise.
12650 (fold_builtin_round): Likewise.
12651 (fold_builtin_int_roundingfn): Likewise.
12652 (fold_builtin_bitop): Likewise.
12653 (fold_builtin_bswap): Likewise.
12654 (fold_builtin_logarithm): Likewise.
12655 (fold_builtin_hypot): Likewise.
12656 (fold_builtin_pow): Likewise.
12657 (fold_builtin_powi): Likewise.
12658 (fold_builtin_exponent): Likewise.
12659 (fold_builtin_memset): Likewise.
12660 (fold_builtin_bzero): Likewise.
12661 (fold_builtin_memory_op): Likewise.
12662 (fold_builtin_bcopy): Deleted; call site changed to invoke
12663 fold_builtin_memory_op directly.
12664 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
12665 (fold_builtin_strncpy): Likewise.
12666 (fold_builtin_memcmp): Likewise.
12667 (fold_builtin_strcmp): Likewise.
12668 (fold_builtin_strncmp): Likewise.
12669 (fold_builtin_signbit): Likewise.
12670 (fold_builtin_copysign): Likewise.
12671 (fold_builtin_isascii): Likewise.
12672 (fold_builtin_toascii): Likewise.
12673 (fold_builtin_isdigit): Likewise.
12674 (fold_builtin_fabs): Likewise.
12675 (fold_builtin_abs): Likewise.
12676 (fold_builtin_fmin_fmax): Likewise.
12677 (fold_builtin_carg): Likewise.
12678 (fold_builtin_classify): Likewise.
12679 (fold_builtin_unordered_cmp): Likewise.
12680
12681 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
12682 New functions split out from fold_builtin_1.
12683 (fold_builtin_n): New.
12684 (fold_builtin_varargs): New.
12685 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
12686 instead.
12687 (fold_call_expr): New.
12688 (build_function_call_expr): Rewrite to use new helper function.
12689 (fold_builtin_call_list): New.
12690 (build_call_expr): New.
12691 (fold_builtin_call_valist): New.
12692 (rewrite_call_expr): New.
12693 (validate_arg): New.
12694 (validate_arglist): Change parameter to be entire CALL_EXPR instead
12695 of an arglist. Change return type to bool. Use new CALL_EXPR
12696 accessors.
12697
12698 (fold_builtin_strstr): Pass call arguments individually instead
12699 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12700 accessors and constructors. Return NULL_TREE instead of 0.
12701 (fold_builtin_strchr): Likewise.
12702 (fold_builtin_strrchr): Likewise.
12703 (fold_builtin_strpbrk): Likewise.
12704 (fold_builtin_strcat): Likewise.
12705 (fold_builtin_strncat): Likewise.
12706 (fold_builtin_strspn): Likewise.
12707 (fold_builtin_strcspn): Likewise.
12708 (fold_builtin_fputs): Likewise.
12709 (fold_builtin_next_arg): Likewise.
12710 (fold_builtin_sprintf): Likewise.
12711
12712 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
12713 NULL_RTX instead of 0.
12714 (expand_builtin_memory_chk): Likewise.
12715 (maybe_emit_chk_warning): Likewise.
12716 (maybe_emit_sprintf_chk_warning): Likewise.
12717
12718 (fold_builtin_object_size): Pass call arguments individually instead
12719 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12720 accessors and constructors. Return NULL_TREE instead of 0.
12721 (fold_builtin_memory_chk): Likewise.
12722 (fold_builtin_stxcpy_chk): Likewise.
12723 (fold_builtin_strncpy_chk): Likewise.
12724 (fold_builtin_strcat_chk): Likewise.
12725 (fold_builtin_strcat_chk): Likewise.
12726 (fold_builtin_strncat_chk): Likewise.
12727 (fold_builtin_sprintf_chk): Likewise.
12728 (fold_builtin_snprintf_chk): Likewise.
12729 (fold_builtin_printf): Likewise.
12730 (fold_builtin_vprintf): Likewise.
12731
12732 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
12733 constructors.
12734 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
12735 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12736 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
12737 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
12738 (fold_unary): Likewise.
12739 (fold_binary): Likewise.
12740 (fold_ternary): Remove CALL_EXPR case, since they are no longer
12741 ternary expressions.
12742 (fold): Add logic for tcc_vl_exp.
12743 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
12744 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12745 (fold_build3_stat): Add assertion to flag broken interface for
12746 constructing CALL_EXPRs.
12747 (fold_build_call_list): New.
12748 (fold_build_call_list_initializer): New.
12749 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
12750 constructors.
12751 (fold_strip_sign_ops): Likewise.
12752
12753 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12754 Brooks Moses <brooks.moses@codesourcery.com>
12755 Lee Millward <lee.millward@codesourcery.com>
12756
12757 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
12758 accessors and dump arguments explicitly.
12759
12760 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
12761 TREE_CODE_LENGTH.
12762 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
12763 explicitly.
12764 (print_call_name): Use new CALL_EXPR accessors.
12765
12766 * print-tree.c (print_node): Add case tcc_vl_exp. Print
12767 CALL_EXPR arguments explicitly instead of as a list. Use
12768 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12769
12770 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
12771 (vrp_visit_stmt): Likewise.
12772
12773 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
12774 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
12775 TREE_CODE_LENGTH.
12776 (force_move_till_expr): Likewise.
12777
12778 * targhooks.c (default_external_stack_protect_fail): Use
12779 build_call_expr instead of build_function_call_expr.
12780 (default_hidden_stack_protect_fail): Likewise.
12781
12782 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
12783 build the call.
12784
12785 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
12786 and walk arguments explicitly.
12787
12788 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
12789 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12790 (expand_simple_operations): Likewise.
12791 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
12792
12793 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
12794 of TREE_CODE_LENGTH.
12795 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
12796
12797 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
12798 instead of TREE_CODE_LENGTH.
12799
12800 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
12801 (tree_ic_transform): Likewise.
12802 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
12803 parameter instead of arglist. Fix callers.
12804 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
12805 (tree_stringops_transform): Likewise.
12806 (tree_indirect_call_to_profile): Likewise.
12807 (tree_stringops_values_to_profile): Likewise.
12808
12809 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
12810 (eliminate_tail_call): Likewise.
12811
12812 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
12813
12814 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
12815 Use TREE_OPERAND_LENGTH and generalize to handle any number of
12816 operands.
12817 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
12818
12819 * omp-low.c (build_omp_barrier): Use build_call_expr.
12820 (lower_rec_input_clauses): Likewise.
12821 (lower_reduction_clauses): Likewise.
12822 (expand_parallel_call): Likewise.
12823 (maybe_catch_exception): Likewise.
12824 (expand_omp_for_generic): Likewise.
12825 (expand_omp_for_static_nochunk): Likewise.
12826 (expand_omp_sections): Likewise.
12827 (lower_omp_single_simple): Likewise.
12828 (lower_omp_single_copy): Likewise.
12829 (lower_omp_master): Likewise.
12830 (lower_omp_ordered): Likewise.
12831 (lower_omp_critical): Likewise.
12832
12833 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
12834 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
12835
12836 * tree-gimple.c (is_gimple_call_addr): Fix doc.
12837 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
12838 TREE_CODE_LENGTH. Add tcc_vl_exp case.
12839
12840 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
12841 and generalize to handle any number of operands.
12842 (chrec_contains_undetermined): Likewise.
12843 (tree_contains_chrecs): Likewise.
12844 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
12845
12846 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
12847
12848 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
12849 fold_call_expr instead of fold_builtin.
12850 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
12851 match declarations there.
12852 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
12853 updates.
12854
12855 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
12856 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12857
12858 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
12859 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
12860
12861 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
12862 accessors.
12863
12864 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
12865 (execute_cse_sincos): Use new CALL_EXPR accessors.
12866
12867 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
12868
12869 * gimple-low.c (lower_function_body): Use build_call_expr.
12870 (lower_builtin_setjmp): Likewise.
12871
12872 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
12873 (set_storage_via_libcall): Likewise.
12874 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
12875 instead of TREE_CODE_LENGTH.
12876 (expand_expr_real_1): Use new CALL_EXPR accessors.
12877
12878 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
12879 generalize to handle any number of operands.
12880 (TB_parent_eq): Likewise.
12881
12882 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
12883 (strip_builtin_expect): Likewise.
12884
12885 * function.c (gimplify_parameters): Use build_call_expr.
12886
12887 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
12888 instead of TREE_CODE_LENGTH.
12889
12890 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
12891 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
12892
12893 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
12894 iterators.
12895
12896 * gimplify.c (build_stack_save_restore): Use build_call_expr.
12897 (gimplify_decl_expr): Likewise.
12898 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
12899 Use new CALL_EXPR iterators.
12900 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
12901 (gimplify_modify_expr_to_memset): Likewise.
12902 (gimplify_variable_sized_compare): Likewise.
12903 (gimplify_omp_atomic_fetch_op): Likewise.
12904 (gimplify_omp_atomic_pipeline): Likewise.
12905 (gimplify_omp_atomic_mutex): Likewise.
12906 (gimplify_function_tree): Likewise.
12907
12908 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
12909 (call_expr_flags): Likewise.
12910 (expand_call): Likewise.
12911
12912 * except.c (expand_builtin_eh_return_data_regno): Pass entire
12913 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
12914 accessors.
12915
12916 * coverage.c (create_coverage): Use build_call_expr.
12917
12918 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
12919 (temp_call_expr_obstack): New.
12920 (pool_copy_list): Delete.
12921 (temp_copy_call_expr): New.
12922 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
12923 CALL_EXPR accessors. Get rid of special goo for copying argument
12924 lists and use temp_copy_call_expr instead.
12925 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
12926 CALL_EXPR accessors.
12927 (create_expression_by_pieces): Likewise. Use build_call_array
12928 to construct the result instead of fold_build3.
12929 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
12930 dealing with argument lists.
12931 (init_pre): Remove references to expression_node_pool and
12932 list_node_pool. Init temp_call_expr_obstack instead.
12933 (fini_pre): Remove references to expression_node_pool and
12934 list_node_pool.
12935
12936 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
12937 and walk arguments explicitly instead of as a list.
12938
12939 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
12940 (mx_register_decls): Likewise.
12941 (mudflap_register_call): Likewise.
12942 (mudflap_finish_file): Likewise.
12943
12944 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
12945 (ipa_callsite_compute_param): Likewise.
12946
12947 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
12948 accessors and constructor.
12949
12950 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
12951 accessors and constructor.
12952 (convert_tramp_reference): Likewise.
12953 (convert_call_expr): Likewise.
12954 (finalize_nesting_tree_1): Likewise.
12955
12956 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
12957 accessors.
12958
12959 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
12960
12961 * tree-inline.c (initialize_inlined_parameters): Pass entire
12962 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
12963 accessors.
12964 (estimate_num_insns_1): Use new CALL_EXPR accessors.
12965 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
12966
12967 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
12968 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12969 (vectorizable_reduction): Likewise.
12970 (vectorizable_call): Use new CALL_EXPR iterators.
12971 (vectorizable_conversion): Use build_call_expr.
12972 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
12973 (vect_gen_widened_results_half): Use build_call_expr.
12974 (vect_setup_realignment): Likewise.
12975 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
12976
12977 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
12978 (pass_through_call): Likewise.
12979 (compute_object_sizes): Likewise. Use fold_call_expr instead of
12980 fold_builtin.
12981
12982 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
12983 (tree_gen_pow2_profiler): Likewise.
12984 (tree_gen_one_value_profiler): Likewise.
12985 (tree_gen_ic_func_profiler): Likewise.
12986 (tree_gen_average_profiler): Likewise.
12987 (tree_gen_ior_profiler): Likewise.
12988
12989 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
12990 (find_func_aliases): Use new CALL_EXPR accessors. Add case
12991 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12992
12993 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
12994 of TREE_CODE_LENGTH.
12995
12996 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
12997 of TREE_CODE_LENGTH.
12998
12999 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
13000 constructor.
13001 (convert_to_integer): Likewise.
13002
13003 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
13004 accessors.
13005
13006 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13007 Brooks Moses <brooks.moses@codesourcery.com>
13008 Lee Millward <lee.millward@codesourcery.com>
13009
13010 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
13011 accessors.
13012 * config/frv/frv.c (frv_expand_builtin): Likewise.
13013 * config/s390/s390.c (s390_expand_builtin): Likewise.
13014
13015 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
13016 (sparc_expand_builtin): Use new CALL_EXPR accessors.
13017
13018 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
13019 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
13020 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
13021 (ix86_expand_store_builtin): Likewise.
13022 (ix86_expand_unop_builtin): Likewise.
13023 (ix86_expand_unop1_builtin): Likewise.
13024 (ix86_expand_sse_compare): Likewise.
13025 (ix86_expand_sse_comi): Likewise.
13026 (ix86_expand_vec_init_builtin): Likewise.
13027 (ix86_expand_vec_ext_builtin): Likewise.
13028 (ix86_expand_vec_set_builtin): Likewise.
13029 (ix86_expand_builtin): Use new CALL_EXPR accessors.
13030
13031 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
13032 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
13033
13034 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
13035 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13036 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
13037
13038 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
13039 build_call_expr.
13040 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13041 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
13042 arglist. Use new CALL_EXPR accessors. Fix callers.
13043 (altivec_expand_abs_builtin): Likewise.
13044 (rs6000_expand_binop_builtin): Likewise.
13045 (altivec_expand_predicate_builtin): Likewise.
13046 (altivec_expand_lv_builtin): Likewise.
13047 (spe_expand_stv_builtin): Likewise.
13048 (altivec_expand_stv_builtin): Likewise.
13049 (rs6000_expand_ternop_builtin): Likewise.
13050 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
13051 (altivec_expand_st_builtin): Likewise.
13052 (altivec_expand_dst_builtin): Likewise.
13053 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
13054 arglist. Use new CALL_EXPR accessors. Fix callers.
13055 (altivec_expand_vec_set_builtin): Likewise.
13056 (altivec_expand_vec_ext_builtin): Likewise.
13057 (altivec_expand_builtin): Use new CALL_EXPR accessors.
13058 (spe_expand_builtin): Likewise.
13059 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
13060 arglist. Use new CALL_EXPR accessors. Fix callers.
13061 (spe_expand_evsel_builtin): Likewise.
13062 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
13063 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
13064
13065 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
13066 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13067 (arm_expand_unop_builtin): Likewise.
13068 (arm_expand_builtin): Use new CALL_EXPR accessors.
13069
13070 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
13071 accessors.
13072
13073 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
13074 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13075 (bfin_expand_unop_builtin): Likewise.
13076 (bfin_expand_builtin): Use new CALL_EXPR accessors.
13077
13078 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13079 Brooks Moses <brooks.moses@codesourcery.com>
13080 Lee Millward <lee.millward@codesourcery.com>
13081
13082 * c-semantics.c (build_stmt): Add internal diagnostic check.
13083
13084 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
13085 accessors. Print arguments explicitly instead of as a list.
13086
13087 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
13088
13089 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
13090 (c_finish_omp_flish): Likewise.
13091
13092 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
13093 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
13094 instead of TREE_CODE_LENGTH.
13095 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
13096 (c_warn_unused_result): Likewise.
13097
13098 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13099
13100 PR c/26494
13101 * doc/invoke.texi (Warning Options): Remove
13102 -Werror-implicit-function-declaration.
13103 (Wimplicit-function-declaration): Update description.
13104 * opts.c (common_handle_option): Move handling of -Werror=* to...
13105 (enable_warning_as_error): ...here.
13106 * opts.h (enable_warning_as_error): Declare.
13107 * c-decl.c (implicit_decl_warning): Unless
13108 -Wno-implicit-function-declaration is given, emit a pedwarn if
13109 -std=c99 or emit a warning if -Wimplicit-function-declaration.
13110 * c.opt (Wimplicit-function-declaration): Replace
13111 mesg_implicit_function_declaration with
13112 warn_implicit_function_declaration.
13113 * c-opts.c (c_common_handle_option):
13114 -Werror-implicit-function-declaration is exactly equal as
13115 -Werror=implicit-function-declaration.
13116 (set_Wimplicit): Replace mesg_implicit_function_declaration with
13117 warn_implicit_function_declaration.
13118 (c_common_post_options): -Wimplict-function-declaration is enabled
13119 by default by -std=c99, otherwise is disabled by default.
13120 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
13121
13122 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13123
13124 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
13125 DECL on the rhs to a DECL on the lhs for debug info purposes if the
13126 former is ignored but not the latter.
13127
13128 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13129
13130 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
13131 is made and the reference doesn't use the alias set of its type,
13132 do not create the temporary using that type.
13133
13134 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
13135
13136 * jump.c: Remove prototypes for delete_computation and
13137 delete_prior_computation.
13138
13139 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13140
13141 * jump.c (get_label_after): Delete.
13142 (get_label_before, delete_computation, delete_jump,
13143 delete_prior_computation, follow_jumps): Move...
13144 * reorg.c (delete_computation, delete_prior_computation): ... here...
13145 (get_label_before, delete_jump): ... making these static ...
13146 (follow_jumps): ... and simplifying this since it only runs after
13147 reload.
13148 * rtl.h (get_label_after, get_label_before, delete_jump,
13149 follow_jumps): Delete prototypes.
13150
13151 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13152
13153 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
13154
13155 2007-02-15 Nick Clifton <nickc@redhat.com>
13156
13157 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
13158 order to prevent it from being munged by the target.
13159
13160 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
13161
13162 * config/i386/i386.md: Remove misleading comment.
13163
13164 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13165
13166 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
13167 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
13168 invalid patterns.
13169
13170 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13171
13172 * tree-sra.c (instantiate_missing_elements): Canonicalize
13173 bit-field types.
13174 (sra_build_assignment): New.
13175 (generate_copy_inout, generate_element_copy,
13176 generate_element_zero, generate_one_element_init): Use it.
13177
13178 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13179
13180 * tree-sra.c (instantiate_missing_elements): Canonicalize
13181 bit-field types.
13182 (sra_build_assignment): New.
13183 (generate_copy_inout, generate_element_copy,
13184 generate_element_zero, generate_one_element_init): Use it.
13185
13186 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13187
13188 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
13189 limbo die nodes.
13190
13191 2007-02-14 Joseph Myers <joseph@codesourcery.com>
13192
13193 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
13194 types as aggregates not scalars.
13195 * function.c (assign_stack_temp_for_type): Likewise.
13196
13197 2007-02-14 Roger Sayle <roger@eyesopen.com>
13198 Zdenek Dvorak <dvorakz@suse.cz>
13199
13200 * tree-dump.c (dump_switch_p_1): Require exact match of the option
13201 name.
13202
13203 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13204
13205 * passes.c (next_pass_1): Clear the next field of the copied
13206 pass structure.
13207
13208 2007-02-14 Richard Henderson <rth@redhat.com>
13209
13210 * tree-sra.c (early_sra): New.
13211 (decl_can_be_decomposed_p): Deny va_list if early_sra.
13212 (tree_sra_early, pass_sra_early): New.
13213 * tree-pass.h (pass_sra_early): Declare.
13214 * passes.c (init_optimization_passes): Use it.
13215
13216 2007-02-14 Richard Guenther <rguenther@suse.de>
13217
13218 * flags.h (issue_strict_overflow_warning): Convert to a macro.
13219
13220 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
13221
13222 PR tree-optimization/30771
13223 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
13224 also phi nodes.
13225 (vect_analyze_operations): Induction phis can now be marked as
13226 used_in_loop.
13227 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
13228 Update documentation accordingly.
13229
13230 2007-02-14 Nick Clifton <nickc@redhat.com>
13231
13232 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
13233 most 3 arguments are supported.
13234 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
13235
13236 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
13237
13238 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
13239 Ensure dst->current is valid.
13240
13241 2007-02-13 Paul Brook <paul@codesourcery.com>
13242
13243 * config.gcc: Add arm*-*-uclinux-*eabi.
13244 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
13245 (SUBTARGET_EXTRA_LINK_SPEC): Define.
13246 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
13247 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
13248 (LINK_SPEC): Define.
13249 (LIB_SPEC): Define.
13250 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
13251 register.
13252 * config/arm/uclinux-eabi.h: New file.
13253 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
13254 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
13255 based targets.
13256
13257 2007-02-13 Ian Lance Taylor <iant@google.com>
13258
13259 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
13260 * flags.h (warn_strict_overflow): Declare.
13261 (enum warn_strict_overflow_code): Define.
13262 (issue_strict_overflow_warning): New static inline function.
13263 * opts.c (warn_strict_overflow): New variable.
13264 (common_handle_option): Handle OPT_Wstrict_overflow and
13265 OPT_Wstrict_overflow_.
13266 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
13267 OPT_Wall.
13268 * fold-const.c: Include intl.h.
13269 (fold_deferring_overflow_warnings): New static variable.
13270 (fold_deferred_overflow_warning): New static variable.
13271 (fold_deferred_overflow_code): New static variable.
13272 (fold_defer_overflow_warnings): New function.
13273 (fold_undefer_overflow_warnings): New function.
13274 (fold_undefer_and_ignore_overflow_warnings): New function.
13275 (fold_deferring_overflow_warnings_p): New function.
13276 (fold_overflow_warning): New static function.
13277 (make_range): Add strict_overflow_p parameter. Change all
13278 callers.
13279 (extract_muldiv, extract_muldiv_1): Likewise.
13280 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
13281 tree_expr_nonnegative_p.
13282 (fold_negate_expr): Call fold_overflow_warning.
13283 (fold_range_test): Likewise.
13284 (fold_comparison): Likewise.
13285 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
13286 instead of tree_expr_nonnegative_p.
13287 (tree_expr_nonnegative_warnv_p): Rename from
13288 tree_expr_nonnegative_p, add strict_overflow_p parameter.
13289 (tree_expr_nonnegative_p): New function.
13290 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
13291 strict_overflow_p parameter.
13292 (tree_expr_nonzero_p): New function.
13293 * passes.c (verify_interpass_invariants): New static function.
13294 (execute_one_pass): Call it.
13295 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
13296 warnings.
13297 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
13298 (estimate_numbers_of_iterations): Likewise.
13299 (scev_probably_wraps_p): Likewise.
13300 * tree-ssa-ccp.c: Include "toplev.h".
13301 (evaluate_stmt): Defer fold overflow warnings until we know we are
13302 going to optimize.
13303 (struct fold_stmt_r_data): Add stmt field.
13304 (fold_stmt_r): Defer fold overflow warnings until we know we
13305 optimized.
13306 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
13307 (fold_stmt_inplace): Likewise.
13308 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
13309 (cleanup_control_expr_graph): Defer fold overflow warnings until
13310 we know we are going to optimize.
13311 * tree-cfg.c (fold_cond_expr_cond): Likewise.
13312 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
13313 Likewise.
13314 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
13315 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
13316 * tree-ssa-loop-manip.c (create_iv): Likewise.
13317 * c-typeck.c (build_conditional_expr): Likewise.
13318 (build_binary_op): Likewise.
13319 * tree-vrp.c (vrp_expr_computes_nonzero): Call
13320 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
13321 (extract_range_from_unary_expr): Likewise.
13322 * simplify-rtx.c (simplify_const_relational_operation): Warn when
13323 assuming that signed overflow does not occur.
13324 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
13325 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
13326 (fold_defer_overflow_warnings): Declare.
13327 (fold_undefer_overflow_warnings): Declare.
13328 (fold_undefer_and_ignore_overflow_warnings): Declare.
13329 (fold_deferring_overflow_warnings_p): Declare.
13330 (tree_expr_nonzero_warnv_p): Declare.
13331 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
13332 of warning options.
13333 (Warning Options): Document -Wstrict-overflow.
13334 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
13335 (tree-ssa-ccp.o): Likewise.
13336 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
13337 (fold-const.o): Depend on intl.h.
13338
13339 2007-02-13 Ian Lance Taylor <iant@google.com>
13340
13341 PR middle-end/30751
13342 * lower-subreg.c (resolve_simple_move): Decompose subregs in
13343 addresses.
13344
13345 2007-02-13 Stuart Hastings <stuart@apple.com>
13346
13347 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
13348
13349 2007-02-13 Richard Henderson <rth@redhat.com>
13350
13351 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
13352 handled_component_p before looking for the indirect_ref.
13353
13354 2007-02-13 Richard Henderson <rth@redhat.com>
13355
13356 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
13357 remove flags clobber.
13358 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
13359 (bswaphi_lowpart): New.
13360 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
13361 remove TARGET_BSWAP test. Delete expander of the same name.
13362
13363 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
13364 (expand_unop): Use them.
13365
13366 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
13367
13368 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
13369 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
13370 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
13371 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
13372 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
13373 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
13374 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
13375 assembler dialect choice from asm templates.
13376
13377 2007-02-12 Richard Henderson <rth@redhat.com>
13378
13379 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
13380 (fixuns_trunc<SSEMODEF>si2): Use it.
13381 * config/i386/sse.md (vec_setv4sf_0): Export.
13382 * config/i386/i386.c (ix86_build_const_vector): Export.
13383 (ix86_split_convert_uns_si_sse): Rename from
13384 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
13385 * config/i386/i386-protos.h: Update.
13386
13387 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13388
13389 PR c/29521
13390 * c-typeck.c (c_finish_return): Improve warning message.
13391
13392 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13393
13394 * alias.c (find_symbolic_term): Delete unused function.
13395
13396 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
13397
13398 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
13399 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
13400 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
13401
13402 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13403
13404 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
13405 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
13406 the function, temporarily point the debug interface to the null one.
13407
13408 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13409
13410 * dwarf2out.c (round_up_to_align): New static function.
13411 (field_byte_offset): Use it to round the offset.
13412
13413 2007-02-12 Richard Henderson <rth@redhat.com>
13414
13415 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
13416 (inswl_const): Export.
13417
13418 2007-02-12 Richard Henderson <rth@redhat.com>
13419
13420 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
13421 result mode of the libcall, convert back to outmode.
13422
13423 2007-02-12 Roger Sayle <roger@eyesopen.com>
13424
13425 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
13426 (bswapdi2): New define_expand to implement 32-bit implementation.
13427
13428 2007-02-12 Nick Clifton <nickc@redhat.com>
13429
13430 * doc/invoke.texi (Overall Options): Document --help=.
13431 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
13432 (cc1_options): Pass --help= on to cc1.
13433 (display_help): Add description of --help=.
13434 (process_command): Add code to handle --help=. Allow translated
13435 --help and --target-help switches to be passed on to compiler
13436 sub-process.
13437 (main): Remove unused if statement.
13438 * opts.c (columns): Remove.
13439 (LEFT_COLUMN): Define.
13440 (wrap_help): Add columns argument.
13441 (print_filtered_help): Change parameters to be an include bitmask,
13442 an exclude bitmask, an any bitmask and the column width. Move the
13443 code to display the params list here. Add code to display the
13444 status of options rather than their descriptions if the quiet flag
13445 is not active.
13446 (print_specific_help): Change parameters to be an include bitmask,
13447 an exclude bitmask and an any bitmask. Move code to look up the
13448 column width here. Decide upon the title for an options listing.
13449 (common_handle_options): Add code to handle --help=. Adapt code
13450 for --help and --target-help to use the revised form of the
13451 print_specific_help function.
13452 (print_help): Delete.
13453 (print_param_help): Delete.
13454 (print_switch): Delete.
13455 * opts.h (cl_lang_count): Add prototype.
13456 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
13457 CL_MAX_OPTION_CLASS): New defines.
13458 * optc-gen.awk: Add construction of cl_lang_count.
13459 * c.opt: Add Warning attribute to warning options and Optimization
13460 attribute to optimization options.
13461 * common.opt: Likewise.
13462 Add --help=.
13463 Add -fhelp and -ftarget-help as aliases for the transformed --help
13464 and --target-help options.
13465 * opt-functions.awk: Add code to handle Warning and Optimization
13466 attributes.
13467
13468 2007-02-12 Richard Henderson <rth@redhat.com>
13469
13470 * config/alpha/constraints.md: New file.
13471 * config/alpha/alpha.c: Include tm-constrs.h.
13472 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
13473 alpha_extra_constraint): Remove.
13474 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
13475 * config/alpha/alpha-protos.h: Update.
13476 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
13477 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
13478 (EXTRA_CONSTRAINT): Remove.
13479 * config/alpha/alpha.md: Include constraints.md.
13480 (adddi splitter): Use satisfies_constraint_*.
13481 * config/alpha/predicates.md (add_operand): Likewise.
13482 (sext_add_operand, addition_operation): Likewise.
13483
13484 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
13485
13486 PR tree-optimization/29145
13487 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
13488 in our handling of restrict qualified pointers.
13489
13490 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13491
13492 PR middle-end/7651
13493 * doc/invoke.texi (Wunused-value): Update description.
13494 (Wextra): Delete item.
13495 * opts.c (set_Wextra): Don't use the value of Wextra to set the
13496 value of Wunused-value.
13497 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
13498 (c_finish_stmt_expr): Don't check extra_warnings.
13499 (emit_side_effect_warnings): The caller is responsible to check
13500 warn_unused_value.
13501
13502 2007-02-11 Roger Sayle <roger@eyesopen.com>
13503 Matt Thomas <matt@3am-software.com>
13504
13505 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
13506
13507 2007-02-11 Roger Sayle <roger@eyesopen.com>
13508
13509 * simplify-rtx.c (simplify_relational_operation_1): Optimize
13510 comparisons of POPCOUNT against zero.
13511 (simplify_const_relational_operation): Likewise.
13512
13513 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13514
13515 * doc/invoke.texi (Wextra): Delete outdated paragraph.
13516
13517 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13518
13519 * dwarf2out.c (root_type): Delete unused function.
13520
13521 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13522
13523 * genattrtab.c (contained_in_p): Delete unused function.
13524 (write_expr_attr_cache): Likewise.
13525
13526 2007-02-11 Jan Hubicka <jh@suse.cz>
13527
13528 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
13529 previous patch.
13530
13531 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
13532
13533 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
13534 to add the REG_EQ* note.
13535 * see.c (see_merge_one_use_extension): Likewise.
13536 * local-alloc.c (update_equiv_regs): Likewise. Also don't
13537 turn REG_EQUAL notes into REG_EQUIV notes if the target
13538 register may have more than one set.
13539 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
13540 * gcse.c (try_replace_reg): Likewise.
13541 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
13542 * calls.c (fixup_tail_calls): Likewise. Abort if there is
13543 more than one REG_EQUIV note.
13544 * reload1.c (gen_reload): Use set_unique_reg_note.
13545
13546 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
13547
13548 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
13549 (ix86_builtin_conversion): New function.
13550
13551 2007-02-06 Mark Mitchell <mark@codesourcery.com>
13552
13553 PR target/29487
13554 * tree.h (DECL_REPLACEABLE_P): New macro.
13555 * except.c (set_nothrow_function_flags): Likewise.
13556
13557 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
13558 Ira Rosen <irar@il.ibm.com>
13559 Dorit Nuzman <dorit@il.ibm.com>
13560
13561 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
13562 * targhooks.c (default_builtin_vectorized_conversion): New.
13563 * targhooks.h (default_builtin_vectorized_function): New declaration.
13564 * target.h (struct vectorize): Add builtin_conversion field.
13565 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
13566 stmt_vec_info_type value.
13567 (vectorizable_conversion): New declaration.
13568 * tree-vect-analyze.c (vect_analyze_operations): Add
13569 vectorizable_conversion call.
13570 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
13571 * tree-vect-transform.c (vectorizable_conversion): New function.
13572 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
13573 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
13574 mode.
13575 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
13576 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
13577 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
13578 or ALTIVEC_BUILTIN_VCFSX.
13579
13580 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13581
13582 PR target/30634
13583 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
13584 CONST_DOUBLE and operand 0 is a hard register.
13585 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
13586 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
13587 is a hard floating-point register.
13588
13589 2007-02-10 Richard Henderson <rth@redhat.com>
13590 Jakub Jelinek <jakub@redhat.com>
13591 Alexandre Oliva <aoliva@redhat.com>
13592
13593 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
13594 * builtin-types.def (BT_WORD): Make unsigned.
13595 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
13596 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
13597 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
13598 * c-decl.c (grokdeclarator): Don't error if !have_tls.
13599 * c-parser.c (c_parser_omp_threadprivate): Likewise.
13600 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
13601 emulated tls.
13602 * expr.c (emutls_var_address): New.
13603 (expand_expr_real_1): Expand emulated tls.
13604 (expand_expr_addr_expr_1): Likewise.
13605 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
13606 * output.h (emutls_finish): Declare.
13607 * toplev.c (compile_file): Call it.
13608 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
13609 address before wrapping in CONST.
13610 * varasm.c (emutls_htab, emutls_object_type): New.
13611 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
13612 (get_emutls_object_name, get_emutls_object_type): New.
13613 (get_emutls_init_templ_addr, emutls_decl): New.
13614 (emutls_common_1, emutls_finish): New.
13615 (assemble_variable): When emulating tls, swap decls; generate
13616 constructor for the emutls objects.
13617 (do_assemble_alias): When emulating tls, swap decl and target name.
13618 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
13619 for emulated tls.
13620 * varpool.c (decide_is_variable_needed): Look at force_output.
13621 Recurse for emulated tls.
13622 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
13623 with decide_is_variable_needed.
13624 * emutls.c: New file.
13625 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
13626 tls_object for real tls.
13627
13628 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
13629
13630 PR rtl-optimization/29599
13631 * reload1.c (eliminate_regs_in_insn): Take the destination
13632 mode into account when computing the offset.
13633
13634 2007-02-09 Stuart Hastings <stuart@apple.com>
13635 Richard Henderson <rth@redhat.com>
13636
13637 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13638 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13639 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
13640 fixuns_truncdfhi2): New.
13641 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
13642 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
13643 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
13644 (floatunssidf2): Allow nonimmediate source.
13645 * config/i386/sse.md (movdi_to_sse): New.
13646 (vec_concatv2di): Drop '*'.
13647 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
13648 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13649 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
13650 New.
13651 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
13652 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13653 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
13654 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
13655 (ix86_build_signbit_mask): Fix decl of v, refactor to call
13656 ix86_build_const_vector.
13657 (x86_emit_floatuns): Rewrite.
13658
13659 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13660
13661 * genautomata.c (longest_path_length): Delete unused function.
13662 (struct state): Delete unused longest_path_length.
13663 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
13664 (get_free_state): Delete unused.
13665
13666 2007-02-09 Jan Hubicka <jh@suse.cz>
13667
13668 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
13669 * doc/invoke.texi (inline-unit-growth): Update default value.
13670
13671 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
13672 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
13673 (rebuild_cgraph_edges): Likewise.
13674 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
13675 (dump_cgraph_node): Dump frequencies.
13676 (cgraph_clone_edge): Add frequency scales.
13677 (cgraph_clone_node): Add freuqnecy.
13678 * cgraph.h (cgraph_edge): Add freuqnecy argument.
13679 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
13680 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
13681 * tree-pass.h (TODO_rebuild_frequencies): New constant.
13682 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
13683 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
13684 (save_inline_function_body): Likewise.
13685 * ipa-inline.c: inluce rtl.h
13686 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
13687 (cgraph_edge_badness): Use frequencies.
13688 (cgraph_decide_recursive_inlining): Update clonning.
13689 (cgraph_decide_inlining_of_small_function): Dump frequency.
13690 * predict.c (estimate_bb_frequencies): Export.
13691 * predict.h (estimate_bb_frequencies): Declare.
13692 * tree-inline.c (copy_bb): Watch overflows.
13693 (expand_call_inline): Update call of cgraph_create_edge.
13694 (optimize_inline_calls): Use TODO flags to update frequnecies.
13695 * passes.h: Include predict.h
13696 (init_optimization_passes): Move profile ahead.
13697 (execute_function_todo): Handle TODO_rebuild_frequencies.
13698
13699 2007-02-09 Roger Sayle <roger@eyesopen.com>
13700
13701 * config/alpha/alpha.c (emit_insxl): Force the first operand of
13702 the insbl or inswl pattern into a register.
13703
13704 2007-02-09 Roger Sayle <roger@eyesopen.com>
13705
13706 * config/ia64/ia64.md (bswapdi2): New define_insn.
13707
13708 2007-02-09 Richard Henderson <rth@redhat.com>
13709
13710 * config/i386/constraints.md (Ym): New constraint.
13711 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
13712 (movdi_1_rex64): Split sse and xmm general register moves from
13713 memory move alternatives. Use conditional register constraints.
13714 (movsf_1, movdf_integer): Likewise.
13715 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13716 (movdf_integer_rex64): New.
13717 (pushsf_rex64): Fix output constraints.
13718 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
13719 (sse2_stored): Likewise.
13720 (sse2_storeq_rex64): New.
13721 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
13722 amd and not generic.
13723 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
13724 for optimize_size. Remove SF/DFmode hack.
13725
13726 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
13727
13728 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
13729 (bit_SSE4a): New.
13730
13731 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
13732 Richard Sandiford <richard@codesourcery.com>
13733
13734 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
13735 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
13736 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
13737 m68k/t-mlib to tmake_file.
13738 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
13739 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
13740 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
13741 Allow it to be cf or m68k. Set m68k_arch_family. If that
13742 variable is not empty, add t-$m68k_arch_family to tmake_file.
13743 Add t-mlibs to tmake_file.
13744 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
13745 * config/m68k/t-cf: New file.
13746 * config/m68k/t-m68k: Likewise.
13747 * config/m68k/t-mlibs: Likewise.
13748 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13749 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13750 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13751 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13752 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
13753 Delete.
13754 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
13755 (INSTALL_LIBGCC): Delete.
13756 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13757 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13758 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13759 (M68K_MLIB_CPU): Define.
13760 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13761 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13762 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
13763
13764 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13765 Richard Guenther <rguenther@suse.de>
13766
13767 PR middle-end/23361
13768 * fold-const.c (fold_comparison): Handle obfuscated comparisons
13769 against INT_MIN/INT_MAX.
13770 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
13771 file if a loop is removed.
13772
13773 2007-02-09 Joseph Myers <joseph@codesourcery.com>
13774
13775 * calls.c (store_one_arg): Pass correct alignment to
13776 emit_push_insn for non-BLKmode values.
13777 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
13778 unaligned stack slot via a suitably aligned slot.
13779
13780 2007-02-08 DJ Delorie <dj@redhat.com>
13781
13782 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
13783 warnings.
13784 (legal_subregs): Use unsigned char, make const.
13785 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
13786
13787 2007-02-08 Paul Brook <paul@codesourcery.com>
13788
13789 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
13790 special interworking needed.
13791
13792 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
13793
13794 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
13795 conditional to __SSE2__.
13796 (Entries below should have been added to first ChangeLog
13797 entry for amdfam10 dated 2007-02-05)
13798 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
13799 defined.
13800 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
13801 defined.
13802 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
13803 defined.
13804
13805 2007-02-08 DJ Delorie <dj@redhat.com>
13806
13807 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
13808 * config/m32c/m32c.c (legal_subregs): New.
13809 (m32c_illegal_subreg_p): New.
13810 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
13811 unsupported subregs of hard regs.
13812
13813 2007-02-08 Jan Hubicka <jh@suse.cz>
13814
13815 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
13816 the same one; always update histograms.
13817
13818 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13819
13820 * passes.c (init_optimization_passes): Tidy comment.
13821
13822 2007-02-08 Roger Sayle <roger@eyesopen.com>
13823
13824 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
13825 strip zero_extend, bswap and rotates from POCOUNT's argument.
13826 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
13827 zero_extend and rotates from PARITY's argument.
13828 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
13829 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
13830 of an integer constant at compile-time.
13831
13832 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13833
13834 PR 30562
13835 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
13836 Update all users.
13837 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
13838 users.
13839 (init_alias_info):
13840 * tree-ssa-live.c (remove_unused_locals): Do not remove
13841 TREE_ADDRESSABLE variables.
13842 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
13843 * tree-ssa-operands.c (add_virtual_operand): Remove argument
13844 FOR_CLOBBER. Update all users.
13845 If VAR has an associated alias set, add a virtual operand for
13846 it if no alias is found to conflict with the memory reference.
13847
13848 2007-02-07 Jan Hubicka <jh@suse.cz>
13849 Robert Kidd <rkidd@crhc.uiuc.edu>
13850
13851 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
13852
13853 2007-02-07 Ian Lance Taylor <iant@google.com>
13854
13855 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
13856
13857 2007-02-07 Roger Sayle <roger@eyesopen.com>
13858
13859 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
13860 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
13861 tablejumpdi, movsi_to_cr_one): Remove constraints from
13862 define_expand's match_operands.
13863
13864 2007-02-07 Roger Sayle <roger@eyesopen.com>
13865
13866 * global.c (compute_regsets): Move declatation of "i" inside of
13867 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
13868
13869 2007-02-07 Jakub Jelinek <jakub@redhat.com>
13870
13871 PR c++/30703
13872 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
13873 of INDIRECT_REF <RESULT_DECL>.
13874
13875 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
13876
13877 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
13878 Kaz Kojima <kkojima@gcc.gnu.org>
13879
13880 PR target/29746
13881 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
13882 properly.
13883 (sh_initialize_trampoline): Add parentheses to avoid a warning.
13884
13885 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13886
13887 * doc/loop.texi: Document possibility not to perform disambiguation
13888 of loops with multiple latches.
13889 * cfgloopmanip.c (alp_enum_p): Removed.
13890 (add_loop): Handle subloops. Use get_loop_body_with_size.
13891 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
13892 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
13893 the new forwarder block.
13894 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
13895 Handle the case latch is NULL.
13896 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
13897 when marking loop exits.
13898 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
13899 be modified.
13900 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
13901 disambiguate_loops_with_multiple_latches.
13902 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
13903 before fix_loop_structure.
13904 * cfgloop.c: Include pointer-set.h and output.h.
13905 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
13906 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
13907 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
13908 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
13909 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
13910 disambiguate_multiple_latches, get_loop_body_with_size,
13911 disambiguate_loops_with_multiple_latches): New functions.
13912 (flow_loop_dump): Dump multiple latch edges.
13913 (flow_loop_nodes_find): Handle loops with multiple latches.
13914 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
13915 (glb_enum_p): Modified.
13916 (get_loop_body): Use get_loop_body_with_size.
13917 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
13918 (AVOID_CFG_MODIFICATIONS): New constant.
13919 (disambiguate_loops_with_multiple_latches, add_loop,
13920 get_loop_body_with_size): Declare.
13921 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
13922
13923 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
13924
13925 PR inline-asm/28686
13926 * global.c (compute_regsets): New function.
13927 (global_alloc): Refactored ELIMINABLE_REGSET
13928 and NO_GLOBAL_ALLOC_REGS computation out.
13929 (rest_of_handle_global_alloc): Call compute_regsets()
13930 for non-optimizing case.
13931
13932 2007-02-06 Richard Henderson <rth@redhat.com>
13933
13934 * config/i386/constraints.md (Y2): Rename from Y.
13935 (Yi): New constraint.
13936 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
13937 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
13938 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
13939 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
13940 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
13941 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
13942 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
13943 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
13944 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
13945 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
13946 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
13947 vec_extractv2si_1): Change Y constraints to Y2.
13948 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
13949 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
13950 Change Y constraints to Y2.
13951 (sse2_loadld): Change Y constraints to x.
13952
13953 2007-02-06 Roger Sayle <roger@eyesopen.com>
13954
13955 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
13956 (parity<mode>2): New define_expand using rs6000_emit_parity.
13957 * config/rs6000/rs6000.c (rs6000_emit_popcount,
13958 rs6000_emit_parity): New functions.
13959 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
13960 rs6000_emit_parity): Prototype here.
13961
13962 2007-02-06 Ian Lance Taylor <iant@google.com>
13963
13964 * lower-subreg.c (simple_move_operand): Reject CONST.
13965 (resolve_clobber): Call validate_change rather than directly
13966 assigning to XEXP (pat, 0).
13967
13968 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
13969
13970 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
13971 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
13972 (tree-cfg.o): Remove hashtab.h dependency.
13973
13974 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
13975 (struct ivopts_data): Change niters to pointer_map_t.
13976 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
13977 (niter_for_exit): Create pointer_map on demand. Change for
13978 pointer_map API.
13979 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
13980 (free_loop_data): Destroy data->niters if created and reset field.
13981 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
13982 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
13983
13984 * tree-ssa-reassoc.c: Include pointer-set.h.
13985 (bb_rank): Change to long *.
13986 (operand_rank): Change to pointer_map_t.
13987 (find_operand_rank): Return long, -1 if not found. Declare as inline.
13988 (insert_operand_rank): Accept long.
13989 (operand_entry_hash, operand_entry_eq): Remove.
13990 (get_rank): Return long. Adjust for changes above.
13991 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
13992 and operand_rank.
13993 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
13994
13995 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
13996 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
13997 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
13998 is not NULL.
13999 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
14000 directly since it cannot be NULL.
14001 (get_vi_for_tree): Rewrite for pointer_map API.
14002 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
14003 (init_alias_vars): Create vi_for_tree as pointer_map.
14004 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
14005
14006 * tree-cfg.c: Don't include hashtab.h.
14007 (edge_to_cases): Declare as pointer_map.
14008 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
14009 Delete.
14010 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
14011 (start_recording_case_labels): Create edge_to_cases as pointer_map.
14012 (end_recoding_case_labels): Cleanup edge_to_cases manually before
14013 destroying it.
14014 (record_switch_edge): Delete.
14015 (get_cases_for_edge): Adjust for pointer_map API, inline
14016 record_switch_edge (rewritten for new API), remove goto.
14017
14018 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14019
14020 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
14021 * tree-nested.c: Include pointer-set.h.
14022 (var_map_elt, var_map_eq, var_map_hash): Delete.
14023 (struct nesting_info): Remove GTY marker. Change the two htab_t's
14024 to pointer_map_t's.
14025 (nesting_info_bitmap_obstack): New.
14026 (lookup_field_for_decl): Adjust for pointer_map API.
14027 (lookup_tramp_for_decl): Adjust for pointer_map API.
14028 (get_nonlocal_debug_decl): Adjust for pointer_map API.
14029 (get_local_debug_decl): Adjust for pointer_map API.
14030 (convert_nl_goto_reference): Adjust for pointer_map API.
14031 (convert_nl_goto_receiver): Adjust for pointer_map API.
14032 (create_nesting_tree): Create outside GGC space. Create bitmap on
14033 the new obstack. Create field_map and var_map as pointer_maps.
14034 (free_nesting_tree): Adjust for changes to create_nesting_tree.
14035 (root): Delete.
14036 (lower_nested_functions): Move root here, no need to NULL it.
14037 Initialize and release the obstack.
14038
14039 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
14040
14041 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
14042 Remove prototypes and make them non-static.
14043 (struct tree_int_map): Remove.
14044 * tree.h (struct tree_int_map): Move here, turning TO into an
14045 unsigned int.
14046 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
14047
14048 * tree.h (TREE_COMPLEXITY): Remove.
14049 (struct tree_exp): Remove complexity field.
14050 * tree.c (build1_stat): Don't set it.
14051
14052 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
14053 Victor Kaplansky <victork@il.ibm.com>
14054
14055 * tree-vectorizer.c (vect_is_simple_use): Support induction.
14056 (vect_is_simple_reduction): Support reduction with induction as
14057 one of the operands.
14058 (vect_is_simple_iv_evolution): Fix formatting.
14059 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
14060 formatting. Don't mark induction phis for vectorization.
14061 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
14062 * tree-vect-transform.c (get_initial_def_for_induction): New function.
14063 (vect_get_vec_def_for_operand): Support induction.
14064 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
14065 induction case.
14066 (vectorizable_reduction): Support reduction with induction as one of
14067 the operands.
14068 (vectorizable_type_demotion): Use def-type of stmt argument rather
14069 than dummy def-type.
14070
14071 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
14072 flag_tree_scev_cprop.
14073 * common.opt (tree-scev-cprop): New flag.
14074
14075 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
14076 call to vect_get_new_vect_var.
14077
14078 2007-02-06 Ira Rosen <irar@il.ibm.com>
14079
14080 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
14081 vectype is not NULL.
14082 (vect_pattern_recog_1): Likewise.
14083
14084 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14085
14086 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
14087 (fold_negate_expr): Likewise.
14088
14089 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
14090
14091 PR debug/30189
14092 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
14093 even if cv-qualification is the same.
14094
14095 2007-02-05 Geoffrey Keating <geoffk@apple.com>
14096
14097 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
14098 __enable_execute_stack on completion.
14099
14100 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14101
14102 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
14103 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
14104 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
14105 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
14106 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
14107 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
14108 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
14109 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
14110
14111 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14112
14113 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
14114 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
14115 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
14116 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
14117 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
14118 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
14119 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
14120 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
14121 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
14122 umuldi3_highpart_rex64, umulsi3_highpart_insn,
14123 umulsi3_highpart_zext, smuldi3_highpart_rex64,
14124 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
14125 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
14126 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
14127 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
14128 sqrtextenddfxf2_i387): Added amdfam10_decode.
14129
14130 * config/i386/athlon.md (athlon_idirect_amdfam10,
14131 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
14132 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
14133 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
14134 athlon_ivector_store_amdfam10): New define_insn_reservation.
14135 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
14136 amdfam10.
14137
14138 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14139
14140 * config/i386/athlon.md (athlon_call_amdfam10,
14141 athlon_pop_amdfam10, athlon_lea_amdfam10): New
14142 define_insn_reservation.
14143 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
14144 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
14145 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
14146
14147 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14148
14149 * config/i386/athlon.md (athlon_sseld_amdfam10,
14150 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
14151 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
14152
14153 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14154
14155 * config/i386/athlon.md (athlon_sseins_amdfam10): New
14156 define_insn_reservation.
14157 * config/i386/i386.md (sseins): Added sseins to define_attr type
14158 and define_attr unit.
14159 * config/i386/sse.md: Set type attribute to sseins for insertq
14160 and insertqi.
14161
14162 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14163
14164 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
14165 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
14166 ssecomi_load_amdfam10, ssecomi_amdfam10,
14167 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
14168 define_insn_reservation.
14169 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
14170
14171 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14172
14173 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
14174 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
14175 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
14176 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
14177 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
14178 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
14179 define_insn_reservation.
14180
14181 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
14182 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
14183 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
14184 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
14185 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
14186
14187 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14188
14189 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
14190 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
14191 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
14192 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
14193 athlon_ssemul_load_k8): Added amdfam10.
14194
14195 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14196
14197 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
14198 (x86_sse_unaligned_move_optimal): New variable.
14199
14200 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
14201 m_AMDFAM10.
14202 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
14203 for unaligned vector SSE double/single precision loads for AMDFAM10.
14204
14205 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14206
14207 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
14208 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
14209 Define TARGET_CPU_DEFAULT_amdfam10.
14210 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
14211 (processor_type): Add PROCESSOR_AMDFAM10.
14212
14213 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
14214 processor_type in config/i386/i386.h.
14215 Enable imul peepholes for TARGET_AMDFAM10.
14216
14217 * config.gcc: Add support for --with-cpu option for amdfam10.
14218
14219 * config/i386/i386.c (amdfam10_cost): New variable.
14220 (m_AMDFAM10): New macro.
14221 (m_ATHLON_K8_AMDFAM10): New macro.
14222 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
14223 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
14224 x86_promote_QImode, x86_integer_DFmode_moves,
14225 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14226 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
14227 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
14228 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
14229 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
14230 Enable/disable for amdfam10.
14231 (override_options): Add amdfam10_cost to processor_target_table.
14232 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
14233 processor_alias_table.
14234 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
14235 (ix86_adjust_cost): Add code for amdfam10.
14236
14237 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14238
14239 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
14240 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
14241 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
14242 * config/i386/i386.h: Add builtin definition for SSE4A.
14243 * config/i386/i386.md: Add support for ABM instructions
14244 (popcnt and lzcnt).
14245 * config/i386/sse.md: Add support for SSE4A instructions
14246 (movntss, movntsd, extrq, insertq).
14247 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
14248 Add -march=amdfam10 flag.
14249 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
14250 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
14251 and amdfam10.
14252 * doc/extend.texi: Add documentation for SSE4A builtins.
14253
14254 2007-02-05 Bob Wilson <bob.wilson@acm.org>
14255
14256 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
14257
14258 2007-02-05 Richard Guenther <rguenther@suse.de>
14259
14260 * tree-vectorizer.h (vectorizable_function): Add argument type
14261 argument, change return type.
14262 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
14263 * tree-vect-transform.c (vectorizable_function): Handle extra
14264 argument, return vectorized function decl.
14265 (build_vectorized_function_call): Remove.
14266 (vectorizable_call): Handle calls with result and argument types
14267 differing. Handle loop vectorization factor correctly.
14268 * targhooks.c (default_builtin_vectorized_function): Adjust for
14269 extra argument.
14270 * targhooks.h (default_builtin_vectorized_function): Likewise.
14271 * target.h (builtin_vectorized_function): Add argument type
14272 argument.
14273 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
14274 extra argument, allow vectorizing of lrintf.
14275 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
14276 documentation of target hook.
14277
14278 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
14279
14280 PR target/30665
14281 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
14282 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
14283 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
14284
14285 2007-02-05 Roger Sayle <roger@eyesopen.com>
14286
14287 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
14288 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
14289 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
14290 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
14291 before canonicalizing sincos to cexpi.
14292 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
14293
14294 2007-02-05 Roger Sayle <roger@eyesopen.com>
14295
14296 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
14297 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
14298 (alpha_init_builtins): Use alpha_add_builtins to process tables.
14299
14300 2007-02-05 Roger Sayle <roger@eyesopen.com>
14301
14302 * mips-tfile.c (initialize_init_file): Correct endianness test.
14303
14304 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
14305
14306 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
14307 the 'y' constraint.
14308
14309 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14310
14311 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
14312 saves in a PARALLEL before the register assignments.
14313
14314 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14315
14316 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
14317 DWARF_FRAME_RETURN_COLUMN to be a general register.
14318 * dwarf2out.c (init_return_column_size): New function, split from...
14319 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
14320 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
14321 to be nongeneral registers.
14322 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
14323 integer registers.
14324 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
14325 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
14326
14327 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14328
14329 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
14330
14331 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14332
14333 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
14334 (remove_path): Use can_remove_branch_p and remove_branch instead
14335 of loop_delete_branch_edge.
14336 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
14337 (tree_transform_and_unroll_loop): Remove dead branches immediately.
14338 Update profile using scale_dominated_blocks_in_loop.
14339 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
14340 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
14341 (can_remove_branch_p, remove_branch): Declare.
14342 * tree-cfg.c (tree_can_remove_branch_p): New function.
14343 (tree_cfg_hooks): Add tree_can_remove_branch_p.
14344 * cfgrtl.c (rtl_can_remove_branch_p): New function.
14345 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
14346
14347 2007-02-05 Jan Hubicka <jh@suse.cz>
14348
14349 PR middle-end/30696
14350 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
14351 nodes in cgraph, don't remove offline copy of the function.
14352
14353 2007-02-04 Jan Hubicka <jh@suse.cz>
14354
14355 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
14356 vectors might cause maybe_lookup_element_for_expr to be called
14357 on non-sra-candidate.
14358
14359 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14360
14361 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
14362 config/bfin/bfin.md, config/bfin/predicates.md: Follow
14363 spelling conventions.
14364
14365 2007-02-04 Richard Guenther <rguenther@suse.de>
14366
14367 PR middle-end/30636
14368 * fold-const.c (try_move_mult_to_index): Make sure to not
14369 overflow one dimension of a multi-dimensional array access.
14370
14371 2007-02-04 Jan Hubicka <jh@suse.cz>
14372
14373 * passes.c (init_optimization_passes): Reindent.
14374
14375 2007-02-04 Jan Hubicka <jh@suse.cz>
14376 Eric Botcazou <ebotcazou@adacore.com>
14377
14378 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
14379 (execute_fixup_cfg): Break out the abnormal goto code.
14380 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
14381 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
14382 (optimize_inline_calls): Call make_nonlocal_label_edges.
14383
14384 2007-02-04 Jan Hubicka <jh@suse.cz>
14385
14386 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
14387 true when something was changed.
14388 (rename_ssa_copies): When something was changed, do
14389 TODO_remove_unused_locals.
14390 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
14391 add TODO_remove_unused_locals when instruction was removed.
14392
14393 2007-02-04 Jan Hubicka <jh@suse.cz>
14394
14395 * ipa-inline.c (try_inline): Improve debug output; work on already
14396 inline edges too.
14397 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
14398 call try_inline for already inlined edges too when flattening;
14399 inline also functions that make callee growth but overall unit size
14400 reduce.
14401
14402 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14403
14404 * config/m32c/bitops.md, config/m32c/jump.md,
14405 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
14406 config/m32r/m32r.h, config/m32r/m32r.md,
14407 config/m32r/predicates.md, config/m68hc11/larith.asm,
14408 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
14409 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
14410 config/mips/mips-protos.h, config/mips/mips.c,
14411 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
14412 config/mn10300/mn10300.h, config/mn10300/predicates.md,
14413 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
14414 spelling conventions.
14415
14416 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
14417 Follow spelling conventions.
14418
14419 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
14420
14421 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
14422 warn about C++0x compatibility.
14423
14424 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14425
14426 * config/h8300/h8300.c, config/h8300/h8300.h,
14427 config/h8300/h8300.md: Follow spelling conventions.
14428
14429 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
14430
14431 PR middle-end/30667
14432 * combine.c (try_combine): Do not substitute source operand
14433 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
14434
14435 2007-02-03 Jan Hubicka <jh@suse.cz>
14436
14437 PR gcov-profile/30650
14438 * value-prof.c (stringop_block_profile): Fix handling of size counter;
14439 do not divide by zero for never executed counters.
14440 (tree_find_values_to_profile): Fix counters.
14441 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
14442
14443 2007-02-03 Ian Lance Taylor <iant@google.com>
14444
14445 * lower-subreg.c (simple_move_operand): New static function,
14446 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
14447 operands.
14448 (simple_move): Call simple_move_operand.
14449 (find_decomposable_subregs): Add special handling of MEMs.
14450 (can_decompose_p): Rename from cannot_decompose_p. Reverse
14451 meaning of return value. If we see a hard register, test whether
14452 it can store a word_mode value. Change all callers.
14453
14454 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14455
14456 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
14457 ftrapv insns and expanders.
14458 (subdi3): Change define_expand operand 1 to arith11_operand, and
14459 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
14460 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
14461 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
14462 respectively.
14463
14464 PR middle-end/30174
14465 * varasm.c (notice_global_symbol): Treat global objects as weak when
14466 flag_shlib is true.
14467
14468 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14469
14470 * emit-rtl.c (dconstpi): Delete.
14471 (dconstsqrt2): New.
14472 (init_emit_once): Delete dconstpi and init dconstsqrt2.
14473 * real.h (dconstpi): Delete.
14474 (dconstsqrt2): New.
14475 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
14476 (fold_builtin_hypot): Likewise.
14477
14478 2007-02-03 Tom Tromey <tromey@redhat.com>
14479
14480 PR driver/30246
14481 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
14482 -gcoff3, -gxcoff3, -gvms3 implies -dD.
14483
14484 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
14485
14486 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
14487 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
14488 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
14489 config/rs6000/cell.md, config/rs6000/darwin.h,
14490 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
14491 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
14492 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
14493 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
14494 typos. Follow spelling conventions.
14495 * doc/invoke.texi: Follow spelling conventions.
14496
14497 2007-02-03 Roger Sayle <roger@eyesopen.com>
14498
14499 * simplify-rtx.c (simplify_relational_operation_1): Implement some
14500 canonicalization transformations that attempt to simplify integer
14501 constant comparisons to become comparisons against zero.
14502
14503 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14504
14505 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
14506 fabs(x)*sqrt(2).
14507 * fold-const.c (fold_binary): Fix comment typos. Fold complex
14508 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
14509
14510 2007-02-02 Mike Stump <mrs@apple.com>
14511
14512 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
14513 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
14514 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
14515 generate a branch island.
14516
14517 2007-02-02 Bob Wilson <bob.wilson@acm.org>
14518
14519 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
14520 (xtensa_legitimate_address_p): New.
14521 (xtensa_legitimize_address): New.
14522 (xtensa_output_addr_const_extra): New.
14523 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
14524 (BASE_REG_P): New.
14525 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
14526 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
14527 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
14528 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
14529 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
14530 (xtensa_legitimize_address): New.
14531 (xtensa_output_addr_const_extra): New.
14532
14533 2007-02-02 Steve Ellcey <sje@cup.hp.com>
14534
14535 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
14536
14537 2007-02-02 Ian Lance Taylor <iant@google.com>
14538
14539 * expmed.c (expand_divmod): Add comment.
14540
14541 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
14542
14543 * emit-rtl.c (renumber_insns): Remove.
14544 * flags.h: Remove the extern for flag_renumber_insns.
14545 * rtl.h: Remove the prototype for renumber_insns.
14546 * toplev.c (flag_renumber_insns): Remove.
14547
14548 2007-02-02 Hui-May Chang <hm.chang@apple.com>
14549
14550 Revert for x86 darwin:
14551 2005-06-19 Uros Bizjak <uros@kss-loka.si>
14552
14553 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
14554 code before the following patch under TARGET_MACHO.
14555 (ix86_function_value_regno_p): Likewise.
14556
14557 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14558
14559 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
14560 COMPLEX_EXPR.
14561
14562 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14563
14564 PR target/29682
14565 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
14566 general or fp registers. Add comments.
14567 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
14568
14569 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
14570
14571 * pointer-set.c (insert_aux): Only return insertion slot.
14572 (pointer_set_insert): Adjust.
14573 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
14574 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
14575 pointer_map_traverse): New.
14576 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
14577 pointer_map_create, pointer_map_destroy, pointer_map_insert,
14578 pointer_map_contains, pointer_map_traverse): Declare.
14579
14580 2007-02-02 Jakub Jelinek <jakub@redhat.com>
14581
14582 PR middle-end/30473
14583 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
14584 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
14585
14586 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14587
14588 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
14589
14590 (struct _dep): New type.
14591 (dep_t): New typedef.
14592 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
14593 (DEP_STATUS): New access macro. The macro with the same name was
14594 renamed to DEP_LINK_STATUS.
14595 (dep_init): Declare function
14596
14597 (struct _dep_link): New type.
14598 (dep_link_t): New typedef.
14599 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
14600 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
14601 (DEP_LINK_STATUS): New macro.
14602 (debug_dep_links): New debug function.
14603
14604 (struct _deps_list): New type.
14605 (deps_list_t): New typedef.
14606 (DEPS_LIST_FIRST): New access macro.
14607 (FOR_EACH_DEP_LINK): New cycle macro.
14608 (create_deps_list, free_deps_list, delete_deps_list): Declare
14609 functions.
14610 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
14611 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
14612 (copy_deps_list_change_con): Ditto.
14613
14614 (move_dep_link): Declare function.
14615
14616 (struct _dep_node): New type.
14617 (dep_node_t): New typedef.
14618 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
14619
14620 (struct haifa_insn_data.back_deps): New field to hold backward
14621 dependencies of the insn.
14622 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
14623 to deps_list_t.
14624 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
14625 Change its type to deps_list_t.
14626 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
14627 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
14628 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
14629
14630 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
14631
14632 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
14633
14634 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
14635 all callers.
14636 (dep_cost): Declare.
14637
14638 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
14639 (ds_to_dk, dk_to_ds): New functions.
14640
14641 (init_dep_1): New static function.
14642 (init_dep): New function.
14643 (copy_dep): New static function.
14644
14645 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
14646 functions.
14647 (detach_dep_link): New static function.
14648 (move_dep_link): New function.
14649
14650 (dep_links_consistent_p, dump_dep_links): New static functions.
14651 (debug_dep_links): New debugging function.
14652
14653 (deps_obstack, dl_obstack, dn_obstack): New static variables.
14654
14655 (alloc_deps_list, init_deps_list): New static functions.
14656 (create_deps_list): New function.
14657 (clear_deps_list): New static function.
14658 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
14659 (deps_list_consistent_p, dump_deps_list): New static functions.
14660 (debug_deps_list): New function.
14661 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
14662 functions.
14663 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
14664
14665 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
14666 use new scheduler dependencies lists.
14667 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
14668 (sched_analyze): Ditto. Initialize dependencies lists.
14669 (add_forw_dep, compute_forward_dependences): Update to use new
14670 scheduler dependencies lists.
14671
14672 (init_dependency_caches): Init deps_obstack.
14673 (free_dependency_caches): Free deps_obstack.
14674
14675 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
14676 new scheduler dependencies lists.
14677 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
14678 (add_back_forw_dep, delete_back_forw_dep): Ditto.
14679
14680 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
14681 Update to use new scheduler dependencies lists.
14682 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
14683 (debug_dependencies): Ditto.
14684 (schedule_region): Update comments.
14685
14686 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
14687 scheduler dependencies lists.
14688 (schedule_ebb): Update comments.
14689
14690 * rtl.def (DEPS_LIST): Remove.
14691
14692 * lists.c (unused_deps_list): Remove.
14693 (free_list): Update assertions.
14694
14695 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
14696 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14697
14698 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
14699 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14700
14701 * haifa-sched.c (comments): Update.
14702 (insn_cost1): Remove. Inline the code into insn_cost ().
14703 (insn_cost): Update to use new scheduler dependencies lists. Move
14704 processing of the dependency cost to dep_cost ().
14705 (dep_cost): New function. Use it instead of insn_cost () when
14706 evaluating cost of the dependency. Use compatible interface to
14707 interact with the target.
14708 (priority): Update to use new scheduler dependencies lists.
14709 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
14710 with greater number of insns that depend on the insn.
14711 (schedule_insn): Update to use new scheduler dependencies lists. Add
14712 code to free backward dependencies lists. Inline and optimize code
14713 from resolve_dep () - see PR28071.
14714 (ok_for_early_queue_removal): Update to use new scheduler dependencies
14715 lists. Update call to targetm.sched.is_costly_dependence hook.
14716
14717 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
14718 scheduler dependencies lists.
14719
14720 (resolve_dep): Remove. Move the logic to schedule_insn ().
14721 (init_h_i_d): Initialize dependencies lists.
14722
14723 (process_insn_depend_be_in_spec): Rename to
14724 process_insn_forw_deps_be_in_spec. Update to use new scheduler
14725 dependencies lists.
14726 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
14727 Update to use new scheduler dependencies lists.
14728 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
14729
14730 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
14731 new scheduler dependencies lists.
14732 (build_intra_loop_deps): Ditto.
14733
14734 * target.h (struct _dep): Declare to use in
14735 gcc_target.sched.is_costly_dependence.
14736 (struct gcc_target.sched.adjust_cost): Fix typo.
14737 (struct gcc_target.sched.is_costly_dependence): Change signature to use
14738 single dep_t parameter instead of an equivalent triad.
14739 (struct gcc_target.sched.adjust_cost_2): Remove.
14740
14741 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
14742
14743 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
14744
14745 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
14746 documentation.
14747 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
14748
14749 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
14750 (REG_DEP_TRUE): Document.
14751
14752 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
14753 Change signature to correspond to the targetm.sched.adjust_cost hook.
14754 Update use in TARGET_SCHED_ADJUST_COST_2.
14755 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
14756 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
14757 new scheduler dependencies lists.
14758 (ia64_gen_check): Ditto.
14759
14760 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
14761 dependencies lists.
14762
14763 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
14764 signature to correspond to the targetm.sched.is_costly_dependence hook.
14765 (is_costly_group): Update to use new scheduler dependencies lists.
14766
14767 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
14768 instead of INSN_COST () macro.
14769
14770 2007-02-01 Ian Lance Taylor <iant@google.com>
14771
14772 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
14773
14774 2007-02-01 Guy Martin <gmsoft@gentoo.org>
14775
14776 * pa.md (tp_load): Correct mfctl instruction syntax.
14777
14778 2007-02-01 Geoffrey Keating <geoffk@apple.com>
14779
14780 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
14781 altivec_padding_size calculation on AIX. Improve comment, add
14782 assert to verify that it's right.
14783
14784 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
14785 64-bit.
14786
14787 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
14788
14789 PR inline-asm/28686
14790 * global.c (global_alloc): Add mising initialization of
14791 ELIMINABLE_REGSET.
14792
14793 2007-02-01 Roger Sayle <roger@eyesopen.com>
14794
14795 * alias.c (init_alias_analysis): Correct whitespace.
14796 * bb-reorder.c (fix_edges_for_rarely_executed_code,
14797 partition_hot_cold_basic_blocks): Likewise.
14798 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
14799 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
14800 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
14801 fold_builtin_snprintf_chk, fold_builtin_printf,
14802 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
14803 do_mpfr_arg3, do_mpfr_sincos): Likewise.
14804 * cfgcleanup.c (cleanup_cfg): Likewise.
14805 * cfgexpand.c (tree_expand_cfg): Likewise.
14806 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
14807 * function.c (get_next_funcdef_no): Likewise.
14808 * gengtype.c (main): Likewise.
14809 * genmodes.c (main): Likewise.
14810 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
14811 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
14812 * ifcvt.c (noce_emit_move_insn): Likewise.
14813 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
14814 Likewise.
14815 * stor-layout.c (get_best_mode): Likewise.
14816 * tree-ssa-loop-niter.c (get_val_for): Likewise.
14817 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
14818 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
14819 perform_var_substitution, solve_graph): Likewise.
14820 * tree-vrp.c (vrp_finalize): Likewise.
14821
14822 2007-02-01 Ian Lance Taylor <iant@google.com>
14823
14824 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
14825 high part of a paradoxical subreg, return a constant zero.
14826
14827 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
14828
14829 * toplev.c (lang_dependent_init): Call init_set_costs.
14830 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
14831
14832 2007-02-01 Richard Guenther <rguenther@suse.de>
14833
14834 PR middle-end/30656
14835 * fold-const.c (fold_negate_expr): Allow negating a
14836 constant if overflow does not change.
14837
14838 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14839
14840 * doc/c-tree.texi (Expression trees): Improve markup.
14841 * doc/tm.texi (Register Classes, Addressing Modes)
14842 (Floating Point): Fix spacing after abbreviations. Fix some
14843 typos.
14844
14845 2007-02-01 Ben Elliston <bje@au.ibm.com>
14846
14847 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
14848 * doc/contrib.texi: Likewise.
14849 * doc/install.texi: Likewise.
14850
14851 2007-01-31 Richard Henderson <rth@redhat.com>
14852 Ian Lance Taylor <iant@google.com>
14853
14854 * lower-subreg.c: New file.
14855 * rtl.def (CONCATN): Define.
14856 * passes.c (init_optimization_passes): Add pass_lower_subreg and
14857 pass_lower_subreg2.
14858 * emit-rtl.c (update_reg_offset): New static function, broken out
14859 of gen_rtx_REG_offset.
14860 (gen_rtx_REG_offset): Call update_reg_offset.
14861 (gen_reg_rtx_offset): New function.
14862 * regclass.c: Revert patch of 2006-03-05, restoring
14863 reg_scan_update.
14864 (clear_reg_info_regno): New function.
14865 * dwarf2out.c (concatn_loc_descriptor): New static function.
14866 (loc_descriptor): Handle CONCATN.
14867 * common.opt (fsplit_wide_types): New option.
14868 * opts.c (decode_options): Set flag_split_wide_types when
14869 optimizing.
14870 * timevar.def (TV_LOWER_SUBREG): Define.
14871 * rtl.h (gen_reg_rtx_offset): Declare.
14872 (reg_scan_update): Declare.
14873 * regs.h (clear_reg_info_regno): Declare.
14874 * tree-pass.h (pass_lower_subreg): Declare.
14875 (pass_lower_subreg2): Declare.
14876 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
14877 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
14878 -fsplit-wide-types.
14879 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
14880 * Makefile.in (OBJS-common): Add lower-subreg.o.
14881 (lower-subreg.o): New target.
14882
14883 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14884
14885 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
14886
14887 2007-01-31 Anatoly Sokolov <aesok@post.ru>
14888
14889 PR target/19087
14890 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
14891
14892 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14893
14894 PR middle-end/29335
14895 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
14896
14897 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
14898
14899 * cfgloop.h: Include vec-prim.h.
14900 (enum li_flags): Remove LI_ONLY_OLD.
14901 (loop_iterator): Changed.
14902 (fel_next, fel_init): Iterate over loop tree.
14903 (FOR_EACH_LOOP_BREAK): New macro.
14904 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
14905 FOR_EACH_LOOP.
14906 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
14907 * modulo-sched.c (sms_schedule): Ditto.
14908 * tree-vectorizer.c (vectorize_loops): Ditto.
14909 * doc/loop.texi: Update information on loop numbering and behavior of
14910 FOR_EACH_LOOP wrto new loops.
14911 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14912 add_to_evolution_1): Test nestedness of loops instead of comparing
14913 their numbers.
14914 * tree-chrec.c (chrec_fold_plus_poly_poly,
14915 chrec_fold_multiply_poly_poly, chrec_evaluate,
14916 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
14917 reset_evolution_in_loop): Ditto.
14918 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
14919
14920 2007-01-31 Dirk Mueller <dmueller@suse.de>
14921
14922 * c-common.c (warn_about_parentheses): Separate warning about
14923 un-parenthized sequence of comparison operators from the one
14924 which is supposed to warn about x <= y <= z.
14925
14926 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
14927
14928 * optabs.h (enum optab_index): Add new OTI_isinf.
14929 (isinf_optab): Define corresponding macro.
14930 * optabs.c (init_optabs): Initialize isinf_optab.
14931 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
14932 patterns.
14933 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
14934 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
14935 using isinf_optab.
14936 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
14937 expand_builtin_interclass_mathfn.
14938 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
14939 * config/i386/i386.md (UNSPEC_FXAM): New constant.
14940 (fxam<mode>2_i387): New insn pattern.
14941 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
14942 built-in functions as x87 inline asm.
14943
14944 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14945
14946 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
14947
14948 2007-01-30 Eric Christopher <echristo@apple.com>
14949
14950 * config.gcc: Add geode.
14951
14952 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14953
14954 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
14955 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
14956 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
14957 value-prof.c: Fix comment typos.
14958
14959 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14960
14961 PR c++/24745
14962 * doc/invoke.texi (Wpointer-arith): Document warning.
14963
14964 2007-01-30 Janis Johnson <janis187@us.ibm.com>
14965
14966 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
14967 the list of discrepancies from the draft TR.
14968
14969 2007-01-30 Dirk Mueller <dmueller@suse.de>
14970
14971 PR c++/30601
14972 * doc/invoke.texi (-Wreturn-type): Update description to
14973 match new behavior.
14974
14975 2007-01-30 Richard Sandiford <richard@codesourcery.com>
14976
14977 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
14978
14979 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
14980
14981 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
14982 to handle optabs that operate on floating point input argument and
14983 output to integer output.
14984 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
14985 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
14986 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
14987 expand_builtin_interclass_mathfn ().
14988 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
14989 (ilogbsi2): Remove.
14990 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
14991 ilogbl built-in functions as x87 intrinsics.
14992
14993 2007-01-30 Richard Guenther <rguenther@suse.de>
14994
14995 PR middle-end/27657
14996 * dwarf2out.c (reference_to_unused): Query varpool if the
14997 variable was output.
14998
14999 2007-01-30 Richard Guenther <rguenther@suse.de>
15000
15001 PR middle-end/30313
15002 * passes.c (execute_one_pass): Reset in_gimple_form to not
15003 confuse non-unit-at-a-time mode.
15004
15005 2007-01-29 Roger Sayle <roger@eyesopen.com>
15006 Richard Guenther <rguenther@suse.de>
15007
15008 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
15009 avoid undefined behaviour on overflow. Use force_fit_type_double
15010 to construct the constant with the specified TREE_OVERFLOW.
15011
15012 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15013
15014 * config/dfp-bit.c: Add parameterized support for fp exceptions.
15015 * config/dfp-bit.h: Ditto.
15016
15017 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15018
15019 * c-decl.c (pop_scope): Replace warnings with call to
15020 warn_for_unused_label.
15021 * c-common.h (warn_for_unused_label): Declare.
15022 * c-common.c (warn_for_unused_label): Define.
15023
15024 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15025
15026 * tree-optimize.c (update_inlined_to_pointers): Delete unused
15027 function.
15028
15029 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15030
15031 * Makefile.in (USER_H): Remove decfloat.h.
15032 * ginclude/decfloat.h: Delete, moving contents to ...
15033 * ginclude/float.h: Add support for decimal floating point,
15034 guarded by __STDC_WANT_DEC_FP__.
15035
15036 2007-01-29 Mike Stump <mrs@apple.com>
15037
15038 * doc/gccint.texi (Top): Rename Loop Representation to Loop
15039 Analysis and Representation to resolve case insensitive conflict.
15040 * doc/loop.texi (Loop Analysis and Representation): Likewise.
15041
15042 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
15043
15044 * tree.h (struct tree_memory_tag): Add aliases member.
15045 (MTAG_ALIASES): New macro.
15046 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
15047 (add_may_alias): Remove pointer-set. Update for may_aliases being
15048 a bitmap.
15049 (mark_aliases_call_clobbered): Update for may_aliases being a
15050 bitmap.
15051 (compute_tag_properties): Ditto.
15052 (create_partition_for): Ditto.
15053 (compute_memory_partitions): Ditto.
15054 (dump_may_aliases_for): Ditto.
15055 (is_aliased_with): Ditto.
15056 (add_may_alias_for_new_tag): Ditto.
15057 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
15058 (compute_is_aliased): New function.
15059 (compute_may_aliases): Call compute_is_aliased).
15060 (init_alias_info): Initialize alias_bitmap_obstack.
15061 (union_alias_set_into): New function.
15062 (compute_flow_sensitive_aliasing): Use union_aliases_into.
15063 (have_common_aliases_p): Rewrite to take two bitmaps and use
15064 intersection.
15065 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
15066 Update for bitmaps.
15067 (finalize_ref_all_pointers): Update for add_may_alias changes.
15068 (new_type_alias): Ditto.
15069 * tree-flow-inline.h (may_aliases): Return a bitmap.
15070 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
15071 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
15072 may_aliases being a bitmap.
15073 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
15074 may_aliases now returns a bitmap.
15075 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
15076 being a bitmap.
15077 * tree-ssa-operands.c (add_virtual_operand): Update for
15078 may_aliases being a bitmap.
15079
15080 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
15081
15082 PR tree-optimization/30630
15083 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
15084 variable as changed.
15085
15086 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
15087
15088 PR c++/28266
15089 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
15090 expanded only once even if an error occurs.
15091
15092 2007-01-29 Ben Elliston <bje@au.ibm.com>
15093
15094 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
15095 (__gcov_average_profiler): Likewise.
15096 (__gcov_ior_profiler): Likewise.
15097 (__gcov_merge_ior): Likewise.
15098
15099 2007-01-28 Jan Hubicka <jh@suse.cz>
15100
15101 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
15102 * value-prof.c (stringop_block_profile): Likewise.
15103
15104 2007-01-28 Jan Hubicka <jh@suse.cz>
15105
15106 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
15107 variant handling histograms; add wrapper.
15108 (clear_storage_via_libcall): Export.
15109 (emit_block_move_hints): Break out from ...; add histograms.
15110 (emit_block_move): ... this one.
15111 (clear_storage_hints): Break out from ...; add histograms.
15112 (clear_storage): ... this one.
15113 (set_storage_via_memset): Handle histogram.
15114 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
15115 (clear_storage_hints, clear_storage_via_libcall): Declare.
15116 (set_storage_via_setmem): Update prototype.
15117 * doc/md.texi (movmem, setmem): Document new arguments.
15118
15119 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
15120 new histograms.
15121 (stringop_block_profile): New global function.
15122 (tree_stringops_values_to_profile): Profile block size and alignment.
15123 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
15124 HIST_TYPE_IOR.
15125 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
15126 (stringop_block_profile): Declare.
15127 * builtins.c: Include value-prof.h.
15128 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
15129 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
15130 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
15131 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
15132 * profile.c (instrument_values): Add new counters.
15133 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
15134 calls.
15135 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
15136 (tree_init_edge_profiler): Build new profilers.
15137 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
15138 (pass_tree_profile): Add dump.
15139 (tree_profile_hooks): Update.
15140 * Makefile.in (LIBGCOV): Add new constants.
15141 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
15142 __gcov_ior_profiler): New.
15143 * i386.md (movmem/setmem expanders): Add new optional arguments.
15144
15145 2007-01-28 David Edelsohn <edelsohn@gnu.org>
15146
15147 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
15148
15149 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15150
15151 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
15152 (tree_unswitch_single_loop): Pass eni_size_weights to
15153 tree_num_loop_insns.
15154 * tree-ssa-loop-manip.c: Include tree-inline.h.
15155 (can_unroll_loop_p): Pass eni_size_weights to
15156 tree_num_loop_insns.
15157 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
15158 Pass eni_size_weights to estimate_num_insns.
15159 * tree.h (init_inline_once): Export.
15160 * toplev.c (backend_init): Call init_inline_once.
15161 * cgraphunit.c (cgraph_process_new_functions,
15162 cgraph_analyze_function): Pass eni_inlining_weights to
15163 estimate_num_insns.
15164 * ipa-inline.c (compute_inline_parameters): Ditto.
15165 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
15166 to estimate_num_insns.
15167 (try_unroll_loop_completely): Pass eni_size_weights to
15168 tree_num_loop_insns.
15169 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
15170 ot estimate_num_insns.
15171 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
15172 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
15173 * tree-inline.c (eni_inlining_weights, eni_size_weights,
15174 eni_time_weights): New variables.
15175 (init_inline_once): Initialize them.
15176 (struct eni_data): Mew.
15177 (estimate_num_insns_1, estimate_num_insns): Use weights.
15178 * tree-inline.h (struct eni_weights_d): New.
15179 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
15180 (estimate_num_insns): Declaration changed.
15181 * cfgloop.h (tree_num_loop_insns): Declaration changed.
15182 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
15183 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
15184
15185 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15186
15187 * tree-data-ref.c (conflict_fn): Assert that the number of affine
15188 relations in the conflict function is valid.
15189
15190 2007-01-27 Ian Lance Taylor <iant@google.com>
15191
15192 * common.opt: Add fstrict-overflow.
15193 * opts.c (decode_options): Set flag_strict_overflow if -O2.
15194 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
15195 (TYPE_OVERFLOW_UNDEFINED): Define.
15196 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
15197 Replace all uses.
15198 * tree.h (TYPE_TRAP_SIGNED): Don't define.
15199 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
15200 (fold_negate_expr): Likewise.
15201 (make_range): Likewise.
15202 (extract_muldiv_1): Likewise.
15203 (maybe_canonicalize_comparison): Likewise.
15204 (fold_comparison): Likewise.
15205 (fold_binary): Likewise.
15206 (tree_expr_nonnegative_p): Likewise.
15207 (tree_expr_nonzero_p): Likewise.
15208 * tree-vrp.c (compare_values): Likewise.
15209 (extract_range_from_binary_expr): Likewise.
15210 (extract_range_from_unary_expr): Likewise.
15211 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
15212 Likewise.
15213 (nowrap_type_p): Likewise.
15214 * tree-scalar-evolution.c (simple_iv): Likewise.
15215 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
15216 (build_range_check): Likewise.
15217 (extract_muldiv_1): Likewise.
15218 (fold_comparison): Likewise.
15219 * tree-vrp.c (vrp_int_const_binop): Likewise.
15220 (extract_range_from_unary_expr): Likewise.
15221 * convert.c (convert_to_integer): Likewise.
15222 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
15223 (fold_comparison): Likewise.
15224 (fold_binary): Likewise.
15225 * optabs.c (optab_for_tree_code): Likewise.
15226 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
15227 * simplify-rtx.c (simplify_const_relational_operation): Check
15228 flag_strict_overflow and flag_trapv.
15229 (simplify_const_relational_operation): Likewise.
15230 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
15231 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
15232 -fstrict-overflow.
15233
15234 2007-01-27 Roger Sayle <roger@eyesopen.com>
15235
15236 * tree.c (tree_fold_gcd): Delete.
15237 * tree.h (tree_fold_gcd): Remove prototype.
15238 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
15239 test whether one constant integer is a multiple of another. Instead
15240 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
15241 * fold-const.c (multiple_of_p): We've determined both TOP and
15242 BOTTOM are integer constants so we can call int_const_binop directly
15243 instead of the more generic const_binop.
15244
15245 2007-01-27 Roger Sayle <roger@eyesopen.com>
15246
15247 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
15248 1*X check that the constant hasn't overflowed, to preserve the
15249 TREE_OVERFLOW bit.
15250 (round_up): Provide an efficient implementation when rouding-up an
15251 INTEGER_CST to a power-of-two.
15252
15253 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15254
15255 * doc/sourcebuild.texi: Add comma for clarity.
15256 * doc/extend.texi: Fix some typos.
15257 * doc/passes.texi: Likewise.
15258 * doc/cppinternals.texi: Likewise.
15259 * doc/c-tree.texi: Likewise.
15260 * doc/tree-ssa.texi: Likewise.
15261 * doc/install.texi: Likewise.
15262
15263 2007-01-27 Jan Hubicka <jh@suse.cz>
15264
15265 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
15266 (pass_sra): Do not require alias information.
15267 * passes.c (init_optimization_passes): Add SRA
15268
15269 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
15270
15271 * tracer.c (rest_of_handle_tracer): We already cleaned
15272 up the CFG in tracer() so don't do it here again.
15273 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
15274 cleanup_cfg here, either. And don't call renumber_insns.
15275
15276 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
15277 and BB_HEAD are in the insn stream here. Instead make sure
15278 that BB_INSN is valid on all insns. Also, do check here that
15279 there are no pending branch predictions...
15280 (rtl_verify_flow_info): ...instead of doing it here. Checks
15281 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
15282 here.
15283
15284 2007-01-26 Roger Sayle <roger@eyesopen.com>
15285
15286 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
15287 function to simplify/factorize operand order canonicalization.
15288 (ix86_fixup_binary_operands): Reorganize using the above function.
15289 (ix86_binary_operator_ok): Likewise.
15290
15291 2007-01-27 Jakub Jelinek <jakub@redhat.com>
15292
15293 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
15294 file scope from optimize_attrs.
15295 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
15296 up search.
15297 (optimize_attrs): Clear insn_code_values after freeing it.
15298
15299 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15300
15301 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
15302 a parts.base assignment.
15303
15304 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15305
15306 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
15307 (compute_subscript_distance, initialize_data_dependence_relation,
15308 finalize_ddr_dependent, analyze_ziv_subscript,
15309 analyze_siv_subscript_cst_affine,
15310 compute_overlap_steps_for_affine_univar,
15311 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
15312 analyze_siv_subscript, analyze_miv_subscript,
15313 analyze_overlapping_iterations, subscript_dependence_tester_1,
15314 compute_self_dependence, free_dependence_relation): Work
15315 with affine_fn instead of chrecs.
15316 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
15317 common_affine_function, affine_function_base,
15318 affine_function_constant_p, affine_fn_op, affine_fn_plus,
15319 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
15320 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
15321 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
15322 (all_chrecs_equal_p): Removed.
15323 * tree-data-ref.h (affine_fn, conflict_function): New types.
15324 (struct subscript): Change type of conflicting_iterations_in_a
15325 and conflicting_iterations_in_b.
15326
15327 2007-01-26 Steve Ellcey <sje@cup.hp.com>
15328
15329 PR other/30182
15330 * config/pa/pa.h (TARGET_HPUX_11): New.
15331 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
15332 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
15333
15334 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
15335 Richard Guenther <rguenther@suse.de>
15336
15337 * tree-ssa-structalias.c (solve_graph): Handle case
15338 we merged the variable to another.
15339
15340 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15341
15342 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
15343 functions.
15344
15345 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
15346 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
15347
15348 2007-01-25 DJ Delorie <dj@redhat.com>
15349
15350 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
15351 allow changes to modes which don't fit in those registers.
15352
15353 * reload1.c (choose_reload_regs): Check for invalid subregs before
15354 computing their locations, not after.
15355
15356 2007-01-25 Geoffrey Keating <geoffk@apple.com>
15357
15358 PR 25127
15359 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
15360 save Altivec registers in an eh_return function.
15361 (compute_vrsave_mask): Likewise.
15362 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
15363 for saving Altivec registers.
15364 (rs6000_emit_prologue): Don't allocate stack twice in
15365 eh_return function. Correct expected value of altivec_save_offset
15366 when using save_world. Describe save of R0 to stack when using
15367 save_world. Describe stack pointer adjustment when using
15368 save_world. Remove duplicated eh_return parameter register saving.
15369 Update sp_offset variable after save_world.
15370 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
15371 darwin-world.asm.
15372 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
15373 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
15374 implies Altivec.
15375
15376 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15377
15378 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
15379
15380 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15381
15382 PR other/30182
15383 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
15384 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
15385
15386 2007-01-25 Richard Guenther <rguenther@suse.de>
15387
15388 * doc/invoke.texi (-Wcoverage-mismatch): Document.
15389 * common.opt (-Wcoverage-mismatch): New warning option.
15390 * coverage.c (get_coverage_counts): Ignore coverage mismatch
15391 if -Wcoverage-mismatch is given.
15392
15393 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
15394
15395 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
15396 (ipcp_driver): Change to static definition.
15397 Add dumping of the ifunctions.
15398 (constant_val_insert): Remove unused parameter. Support for SSA.
15399 (ipcp_propagate_const): Support for SSA.
15400 (ipcp_profile_bb_print): Print only analyzed nodes.
15401 (ipcp_replace_map_create): Remove support for Fortran constant
15402 for now.
15403 * ipa-prop.c (ipa_method_modify_stmt,
15404 ipa_callsite_compute_param): Support for SSA.
15405 * ipa-prop.h (ipcp_driver): Remove declaration.
15406 (IS_VALID_TREE_MAP_INDEX): Add define.
15407
15408 2007-01-24 Geoffrey Keating <geoffk@apple.com>
15409
15410 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
15411
15412 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15413
15414 PR middle-end/30447
15415 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
15416 constant argument to cabs and do it without checking for
15417 -funsafe-math-optimizations.
15418
15419 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
15420
15421 * c-common.h (RID_FIRST_CXX0X): New.
15422 (RID_LAST_CXX0X): New.
15423 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
15424 by -Wall.
15425 * c.opt (Wc++0x-compat): New.
15426 * doc/invoke.texi (-Wc++0x-compat): Document.
15427
15428 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15429
15430 * builtins.c (fold_builtin_carg): New.
15431 (fold_builtin_1): Use it.
15432
15433 2007-01-24 Jan Hubicka <jh@suse.cz>
15434
15435 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
15436
15437 * ipa-inline.c (initial_insns, max_insns): Delete.
15438 (compute_max_insns): New function.
15439 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
15440 of insns as base for code growth.
15441 (cgraph_decide_inlining): Make initial_insns local; do not compute
15442 max_insns.
15443 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
15444 * doc/invoke.texi (inline-unit-growth): Update docs.
15445
15446 2007-01-24 Jakub Jelinek <jakub@redhat.com>
15447
15448 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
15449 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
15450 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
15451 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
15452 for CPUs that have PTA_CX16 set.
15453
15454 PR middle-end/27416
15455 * gimplify.c (omp_check_private): New function.
15456 (gimplify_scan_omp_clauses): Use it for
15457 firstprivate/lastprivate/reduction.
15458
15459 PR middle-end/30494
15460 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
15461 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
15462
15463 PR middle-end/30421
15464 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
15465 If lower_lastprivate_clauses emits some statements, append them
15466 to dlist rather than body_p and to body_p append an initializer.
15467 (lower_omp_for): Adjust caller.
15468
15469 2007-01-24 Steve Ellcey <sje@cup.hp.com>
15470
15471 * target.h (globalize_decl_name): New.
15472 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15473 * output.h (default_globalize_decl_name): New.
15474 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
15475 globalize_label.
15476 (globalize_decl): Ditto.
15477 (default_globalize_decl_name): New.
15478 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
15479 (ia64_handle_version_id_attribute): New.
15480 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15481 (ia64_asm_output_external): Use globalize_decl_name instead
15482 of globalize_label.
15483 * doc/extend.texi (version_id): New pragma.
15484 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
15485
15486 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15487
15488 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
15489 _uleb128_t and _Unwind_SWord with _sleb128_t.
15490 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
15491 uw_frame_state_for, uw_update_context_1): Likewise.
15492 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
15493 * unwind-pe.h (read_uleb128, read_sleb128,
15494 read_encoded_value_with_base): Likewise.
15495 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
15496
15497 2007-01-24 Richard Guenther <rguenther@suse.de>
15498
15499 * builtins.c (expand_builtin_cexpi): Get the fndecl
15500 for cexp in the correct way.
15501
15502 2007-01-24 Jan Hubicka <jh@suse.cz>
15503
15504 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
15505
15506 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15507
15508 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
15509 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
15510 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
15511 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
15512 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
15513 __SIZEOF_PTRDIFF_T__.
15514 * doc/cpp.texi: Documentation for the new builtin macros added.
15515
15516 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
15517
15518 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
15519 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
15520 instead of operands[2] to avoid access past the end of array.
15521
15522 2007-01-24 Richard Sandiford <richard@codesourcery.com>
15523
15524 * reload1.c (emit_reload_insns): Pass the reload register
15525 for a non-spill output reload through forget_old_reloads_1.
15526
15527 2007-01-23 Joseph Myers <joseph@codesourcery.com>
15528
15529 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
15530 _SOFT_DOUBLE if doubles use software floating-point.
15531 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
15532 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15533 * config/rs6000/darwin-ldouble.c: Also compile functions for
15534 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
15535 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15536 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
15537 commented-out long double override.
15538 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
15539 * config/rs6000/eabispe.h: Likewise.
15540 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
15541 long double for non-SPE.
15542 (rs6000_handle_option): Likewise.
15543 (invalid_e500_subreg): Disallow more subregs involding DImode,
15544 DFmode, TImode or TFmode.
15545 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
15546 E500 double.
15547 (legitimate_lo_sum_address_p): Also check for TFmode for E500
15548 double.
15549 (rs6000_legitimize_address): Also handle TFmode for E500 double.
15550 (rs6000_legitimize_reload_address): Also handle TFmode for E500
15551 double.
15552 (rs6000_legitimate_address): Also check for TFmode for E500
15553 double.
15554 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
15555 (spe_build_register_parallel): Handle TFmode and TCmode.
15556 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
15557 double.
15558 (function_arg): Handle TFmode and TCmode for E500 double.
15559 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
15560 in general.
15561 (print_operand): Handle TFmode and TImode for %y.
15562 (rs6000_generate_compare): Handle TFmode comparisons for E500
15563 double.
15564 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
15565 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
15566 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
15567 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
15568 TFmode for E500 double.
15569 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
15570 (floatsidf2): Enable for E500 double.
15571 (movtf_softfloat): Use rs6000_nonimmediate_operand.
15572 (extenddftf2): Change to extenddftf2_fprs.
15573 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
15574 depending on TARGET_E500_DOUBLE.
15575 (extendsftf2): Enable for E500 double.
15576 (trunctfdf2): Enable for E500 double.
15577 (trunctfsf2): Change to trunctfsf2_fprs.
15578 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
15579 depending on TARGET_E500_DOUBLE.
15580 (floatsitf2): Enable for E500 double.
15581 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
15582 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
15583 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
15584 (negtf2): Change to negtf2_internal.
15585 (negtf2): New expander.
15586 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
15587 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
15588 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
15589 (movdi_internal32): Use rs6000_nonimmediate_operand.
15590 (unnamed splitter): Likewise.
15591 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
15592 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
15593 (SPE64TF, DITI): New mode macros.
15594 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
15595 modes.
15596 (frob_tf_ti): New.
15597 (frob_<mode>_di_2): New.
15598 (frob_tf_di_8_2): New.
15599 (frob_di_df): Change to frob_di_<mode>; allow more modes.
15600 (frob_ti_tf): New.
15601 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
15602 more modes.
15603 (frob_ti_<mode>_8_2): New.
15604 (frob_ti_tf_2): New.
15605 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
15606 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
15607 TFmode.
15608 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
15609 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
15610 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
15611 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
15612 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
15613 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
15614 tsttflt_gp): New.
15615
15616 2007-01-23 Ian Lance Taylor <iant@google.com>
15617
15618 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
15619 insn-*.o first.
15620 (OBJS-archive): Reformat, alphabetize.
15621 (OBJS): Change out_object_file to OBJS-md.
15622
15623 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
15624
15625 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
15626 JUMP_P and CALL_P predicates where applicable.
15627 * config/i386/i386.c: Ditto.
15628 * config/i386/i386.md: Ditto.
15629 * config/i386/mmx.md: Ditto.
15630 * config/i386/predicates.md: Ditto.
15631
15632 2007-01-22 Andreas Schwab <schwab@suse.de>
15633
15634 * config/m68k/m68k.h: Fix comment.
15635
15636 2007-01-22 Jan Hubicka <jh@suse.cz>
15637
15638 * passes.c (init_optimization_passes): Do not rerun
15639 pass_early_warn_uninitialized.
15640
15641 2007-01-22 Richard Guenther <rguenther@suse.de>
15642
15643 PR tree-optimization/30038
15644 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
15645 function.
15646 (execute_cse_sincos_1): Likewise.
15647 (execute_cse_sincos): Likewise.
15648 (gate_cse_sincos): Likewise.
15649 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
15650 the cexpi() canonicalization of sincos().
15651 * tree-pass.h (pass_cse_sincos): Declare.
15652 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
15653
15654 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15655
15656 PR rtl-optimization/29329
15657 * combine.c (replaced_rhs_insn): Rename to i2mod.
15658 (replaced_rhs_value): Rename to i2mod_new_rhs.
15659 (i2mod_old_rhs): New global variable.
15660 (combine_instructions): Adjust for above change. Save a copy of
15661 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
15662 note are substituted in the second instruction.
15663 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
15664 ditch the note if it pertains to the second eliminated register
15665 and this register is mentioned in i2mod_old_rhs.
15666
15667 Revert:
15668 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
15669
15670 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
15671 the insn to which the note was originally attached.
15672
15673 2007-01-21 Jan Hubicka <jh@suse.cz>
15674
15675 * ipa-inline.c (inlining_mode): Comment, move up.
15676 (cgraph_decide_inlining_incrementally): Do not perform inlining
15677 itself; fix handling of flattening of self recursive functions.
15678 (cgraph_find_cycles): Remove.
15679 (cgraph_flatten_node): Remove.
15680 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
15681 (try_inline): New function.
15682 (cgraph_early_inlining): Update call of
15683 cgraph_decide_inlining_incrementally. Apply inlining here.
15684 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
15685
15686 2007-01-21 Dirk Mueller <dmueller@suse.de>
15687
15688 PR bootstrap/30511
15689 * tree-vrp.c (check_array_bounds): do not warn
15690 about ADDR_EXPR's of ARRAY_REF's which are immediately
15691 used in binary expressions.
15692
15693 2007-01-21 Ira Rosen <irar@il.ibm.com>
15694
15695 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
15696 read_write_dep and macros for its access.
15697 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
15698 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
15699 argument, call vect_check_interleaving for every independent pair of
15700 data-refs. Mark loads that access the same memory location as a store
15701 in the loop.
15702 (vect_check_dependences): Remove.
15703 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
15704 call, fix the call to vect_analyze_data_ref_dependence.
15705 (vect_analyze_data_ref_access): For statements that access the same
15706 data-ref, check that they are not stores; for loads, check that there
15707 is no store that access the same location.
15708
15709 2007-01-20 Roger Sayle <roger@eyesopen.com>
15710 Joseph Myers <joseph@codesourcery.com>
15711
15712 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
15713 (-fdump-rtl-stack): Likewise.
15714 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
15715 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
15716 (-mpt-fixed): Use @minus{} for minus sign.
15717 (Using Precompiled Headers): Fix under/overfull hbox.
15718
15719 2007-01-20 Jan Hubicka <jh@suse.cz>
15720
15721 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
15722 place within annotation.
15723
15724 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15725
15726 * pa.c (output_move_double): Change array size of xoperands to 4.
15727
15728 2007-01-20 Jan Hubicka <jh@suse.cz>
15729
15730 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
15731 as temporary.
15732
15733 2007-01-19 Ian Lance Taylor <iant@google.com>
15734
15735 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
15736 constant to unsigned HOST_WIDE_INT before negating.
15737
15738 2007-01-19 Ian Lance Taylor <iant@google.com>
15739
15740 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
15741 to unsigned.
15742 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
15743 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15744 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
15745 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
15746 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15747 (realloc_vdef, realloc_vuse): Change second parameter to
15748 unsigned.
15749 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
15750 fields to unsigned.
15751 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
15752 unsigned. Change x and lim locals to unsigned.
15753 (realloc_vdef, realloc_vuse): Change num_elem parameter to
15754 unsigned.
15755 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
15756 (copy_virtual_operands): Change i and n locals to unsigned.
15757
15758 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15759
15760 PR middle-end/29335
15761 * builtins.c (fold_builtin_1): Handle builtin fdim.
15762
15763 2007-01-20 Jan Hubicka <jh@suse.cz>
15764
15765 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
15766 * tree-ssa-structalias.c (compute_points_to_sets): Do call
15767 init_alias_heapvars.
15768 (init_alias_heapvars): Initialize only when not already initialized.
15769 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
15770
15771 2007-01-19 Roger Sayle <roger@eyesopen.com>
15772
15773 * common.opt (fsigned-zeros): New command line option.
15774 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
15775 of flag_unsafe_math_optimizations.
15776 * opts.c (set_fast_math_flags): The -ffast-math command line option
15777 implies -fno-signed-zeros.
15778 (fast_math_flags_set_p): Likewise.
15779
15780 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
15781 the documentation of -ffast-math appropriately. Wrap long lines.
15782
15783 2007-01-19 Steve Ellcey <sje@cup.hp.com>
15784
15785 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
15786 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
15787
15788 2007-01-19 Tomas Bily <tbily@suse.cz>
15789
15790 * cgraphunit.c (cgraph_finalize_function): Updating of pid
15791 * tree-profile.c:
15792 (tree_init_ic_make_global_vars): New function
15793 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
15794 (tree_gen_ic_profiler): New function
15795 (tree_gen_ic_func_profiler): New function
15796 (tree_profiling): Added calling of tree_gen_ic_func_profiler
15797 (tree_profile_hooks): Added hook for indirec/virtual calls
15798 * value-prof.c (tree_find_values_to_profile): New case for
15799 indirect calls
15800 (tree_values_to_profile): Call for determining indirect/virtual
15801 counters
15802 (tree_indirect_call_to_profile): New function
15803 (tree_ic_transform): New function
15804 (tree_ic): New function
15805 (find_func_by_pid): New function
15806 (init_pid_map): New function
15807 (tree_value_profile_transformations): Added check for
15808 indirect/virtual call transformation
15809 * value-prof.h (enum hist_type): New counter type for
15810 indirect/virtual calls
15811 (profile_hooks): Added new hook for profiling indirect/virtual
15812 calls
15813 * profile.c (instrument_values): New case for indirect/virtual
15814 call added
15815 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
15816 (GCOV_COUNTER_V_INDIR): New counter type
15817 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
15818 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
15819 call added
15820 * cgraph.c: Definition of cgraph_max_pid
15821 (cgraph_create_node): Default init of pid attribute
15822 * cgraph.h: Declaration of cgraph_max_pid
15823 (struct cgraph_node): Added pid attribute
15824 * libgcov.c (__gcov_indirect_call_profiler): New function
15825 (__gcov_one_value_profiler_body): New function
15826 (__gcov_one_value_profiler): Body was moved to
15827 __gcov_one_value_profiler_body and calls it
15828
15829 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
15830
15831 * doc/gty.texi (Options): Document the mark_hook option to GTY.
15832 * gengtype.c (write_types_data, write_func_for_structure,
15833 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
15834 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
15835 (walk_type, write_func_for_structure): Generate the mark_hook if
15836 needed.
15837
15838 2007-01-19 Jan Hubicka <jh@suse.cz>
15839
15840 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
15841 'early' argument take inlining mode argument specifying whether to
15842 inline for size/speeed or all functions; add support for flattening;
15843 improve dumpting.
15844 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
15845
15846 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15847
15848 PR c++/17947
15849 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
15850 the name of the declared identifier.
15851
15852 2007-01-19 Dirk Mueller <dmueller@suse.de>
15853
15854 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
15855 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
15856 duplicate evaluation.
15857
15858 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
15859
15860 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
15861 Macroize expander using X87MODEF12 mode macro. Extend operand 1
15862 to XFMode, use acosxf2 and truncate result to requested mode.
15863 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
15864 (asin<mode>2): Similarly, with asin expanders.
15865 (*fscalexf4_i387): Rename from *fscalexf4.
15866 (expNcorexf3): New expander.
15867 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
15868 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
15869 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
15870 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
15871 patterns for SSE math.
15872 (exp10<mode>2): Similarly, with exp10 expanders.
15873 (exp2<mode>2): Similarly, with exp2 expanders.
15874 (expm1<mode>2): Similarly, with expm1 expanders.
15875 (ldexp<mode>3): Similarly, with ldexp expanders.
15876 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
15877 Use gen_truncxf<mode>2_i387_noop to truncate result.
15878
15879 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15880
15881 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
15882 for ColdFire targets.
15883
15884 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
15885 Richard Sandiford <richard@codesourcery.com>
15886
15887 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
15888 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
15889 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
15890 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
15891 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15892 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15893
15894 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15895
15896 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
15897 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
15898 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
15899 (*adddi_dilshr32_cf): New pattern.
15900 (adddi3, subdi3): Remove first alternatives.
15901
15902 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15903
15904 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
15905 implemented using move.l, do not use its cc result for floating-point
15906 comparisons.
15907
15908 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15909
15910 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
15911 from accepting 's' constraints if flag_pic.
15912
15913 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15914
15915 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
15916 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
15917 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
15918 condition from TARGET_68881 to TARGET_HARD_FLOAT.
15919
15920 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
15921
15922 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
15923 ColdFire alternatives.
15924 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
15925 * config/m68k/m68k.md (clzsi2): Define for ColdFire
15926 architectures that support ff1 instruction.
15927
15928 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15929 Julian Brown <julian@codesourcery.com>
15930
15931 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
15932 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
15933 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
15934 Add commentary.
15935
15936 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15937
15938 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
15939 and return a bool.
15940 (output_move_const_into_data_reg, output_move_simode_const): Delete.
15941 * config/m68k/m68k.c (const_method, const_int_cost): Take a
15942 HOST_WIDE_INT instead of an rtx.
15943 (m68k_rtx_costs): Update call accordingly.
15944 (output_move_const_into_data_reg): Likewise. Fix formatting.
15945 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
15946 Return a bool.
15947 (output_move_simode_const): Update calls after above changes.
15948 Rework to use automatic variables and predicates like MEM_P.
15949 * config/m68k/m68k.md (pushexthisi_const): Update call to
15950 valid_mov3q_const.
15951
15952 2007-01-19 Dirk Mueller <dmueller@suse.de>
15953
15954 * tree-ssa-alias.c (perform_var_substitution): Fix typo
15955 in dump_flags test.
15956
15957 2007-01-19 Richard Guenther <rguenther@suse.de>
15958
15959 * builtins.c (expand_builtin_cexpi): Fall back to expanding
15960 via cexp in case sincos is not available.
15961
15962 2007-01-19 Richard Guenther <rguenther@suse.de>
15963
15964 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
15965 * defaults.h (TARGET_HAS_SINCOS): Default to off.
15966 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
15967 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
15968 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
15969 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
15970 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
15971 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
15972
15973 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
15974
15975 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
15976 New insn patterns.
15977 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
15978 (atan2xf3): Directly generate RTL pattern.
15979 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
15980 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
15981 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
15982 disable patterns for SSE math.
15983 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
15984 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
15985 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
15986 disable patterns for SSE math.
15987
15988 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
15989
15990 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
15991
15992 2007-01-18 Roger Sayle <roger@eyesopen.com>
15993
15994 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
15995 VIEW_CONVERT_EXPR to the same type as it's operand.
15996
15997 2007-01-18 David Edelsohn <edelsohn@gnu.org>
15998
15999 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
16000 configured for long double 128.
16001
16002 2007-01-18 Mike Stump <mrs@apple.com>
16003
16004 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
16005 error.
16006
16007 2007-01-18 Michael Meissner <michael.meissner@amd.com>
16008
16009 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
16010 type correct.
16011
16012 2007-01-18 Jan Hubicka <jh@suse.cz>
16013
16014 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
16015 greater than NUM_VOP_FREE_BUCKETS.
16016
16017 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
16018
16019 * tree-ssa-structalias.c: Update comments.
16020 (ptabitmap_obstack): Removed.
16021 (pta_obstack): New.
16022 (oldpta_obstack): Ditto.
16023 (stats): Add a few members.
16024 (struct variable_info): Remove node, complex, address_taken, and
16025 indirect_target members. Add oldsolution member.
16026 (new_var_info): Do not initialize removed members.
16027 (constraint_expr_type): Remove INCLUDES.
16028 (constraint_graph): Add size, implicit_preds, rep,
16029 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
16030 (FIRST_REF_NODE): New macro.
16031 (LAST_REF_NODE): Ditto.
16032 (FIRST_ADDR_NODE): Ditto.
16033 (find): New function.
16034 (unite): Ditto.
16035 (dump_constraint): Do not handle INCLUDES.
16036 (insert_into_complex): Do not insert duplicate constraints.
16037 (condense_varmap_nodes): Renamed and rewritten into ...
16038 (merge_node_constraints): This. Also fix bug in handling of
16039 offseted copy constraints.
16040 (clear_edges_for_node): No longer need to deal with preds at all,
16041 or removing associated preds/succs.
16042 (merge_graph_nodes): Deal with indirect_cycles.
16043 Don't deal with predecessors.
16044 (add_implicit_graph_edge): New function.
16045 (add_pred_graph_edge): Ditto.
16046 (add_graph_edge): Don't deal with predecessors.
16047 (build_constraint_graph): Removed.
16048 (build_pred_graph): New function.
16049 (build_succ_graph): Ditto.
16050 (struct scc_info): Removed in_component. Added roots, dfs, and
16051 node_mapping. Remove visited_index, unification_queue.
16052 (scc_visit): Deal with union-find we do now.
16053 Deal with cycles with REF nodes.
16054 (collapse_nodes): Renamed and rewritten to ...
16055 (unify_nodes): This.
16056 (process_unification_queue): Removed.
16057 (topo_visit): Cleanup
16058 (do_da_constraint): Use find.
16059 (do_sd_constraint): Ditto.
16060 (do_ds_constraint): Ditto.
16061 (do_complex_constraint): Ditto.
16062 (init_scc_info): Update for removed and added members.
16063 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
16064 (find_indirect_cycles): This.
16065 (equivalence_class): New variable.
16066 (label_visit): New function.
16067 (perform_variable_substitution): Rewritten.
16068 (free_var_substitution_info): New function.
16069 (find_equivalent_node): Ditto.
16070 (move_complex_constraints): Ditto.
16071 (eliminate_indirect_cycles): Ditto.
16072 (solve_graph): Only propagate changed bits.
16073 Use indirect cycle elimination.
16074 Use find.
16075 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
16076 (tree_id_eq): Renamed to ...
16077 (tree_vi_eq): This. Update for member change
16078 (insert_id_for_tree): Renamed and rewritten to ...
16079 (insert_vi_for_tree): This.
16080 (lookup_id_for_tree): Renamed and rewritten to ...
16081 (lookup_vi_for_tree): This.
16082 (get_id_for_tree): Renamed and rewritten to ...
16083 (get_vi_for_tree): Ditto.
16084 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
16085 (process_constraint): Don't handle INCLUDES.
16086 Remove special ADDRESSOF case.
16087 (find_func_aliases): Rewrite to use vi functions instead of id
16088 ones.
16089 (create_function_info_for): Ditto.
16090 (create_variable_info_for): Ditto.
16091 (intra_create_variable_infos): Ditto.
16092 (merge_smts_into): Ditto.
16093 (find_what_p_points_to): Ditto.
16094 (init_base_vars): Ditto.
16095 (init_alias_vars): Ditto.
16096 (remove_preds_and_fake_succs): New function.
16097 (dump_sa_points_to_info): Dump new stats.
16098 (dump_solution_for_var): Use find.
16099 (set_used_smts): Fix formatting.
16100 (compute_points_to_sets): Updated for new functions.
16101 (ipa_pta_execute): Ditto.
16102
16103 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16104 Richard Sandiford <richard@codesourcery.com>
16105
16106 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
16107 parallels.
16108 * calls.c (expand_call): If the return value is a PARALLEL,
16109 extract its first member.
16110 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
16111 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16112 use FUNCTION_EXTRA_EPILOGUE.
16113 (m68k_function_value): Return a PARALLEL if the return value
16114 is of a pointer type.
16115 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
16116 (FUNCTION_EXTRA_EPILOGUE): Remove.
16117 * config/m68k/m68k.md (D0_REG): New constant.
16118
16119 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16120
16121 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16122 output a NOP for empty epilogues.
16123
16124 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16125
16126 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
16127 before function. Extend register save check to include all
16128 registers, not just integer ones.
16129
16130 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16131
16132 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
16133 (m68k_use_return_insn): ...this.
16134 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
16135 * config/m68k/m68k.c (use_return_insn): Rename to...
16136 (m68k_use_return_insn): ...this.
16137 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
16138 of USE_RETURN_INSN.
16139
16140 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16141
16142 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
16143 nearest even, fix denormal rounding overflow.
16144
16145 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16146
16147 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
16148 f%$smove and f%$move.
16149 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
16150 (extendsfdf2_cf): Use fdmove instead of f%&move.
16151 (truncdfsf2_cf): Use fsmove instead of f%$smove.
16152 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
16153
16154 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16155
16156 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
16157 GPR<-GPR moves.
16158
16159 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16160
16161 * real.h (real_format): Add a canonical_nan_lsbs_set field.
16162 (coldfire_single_format): Declare.
16163 (coldfire_double_format): Likewise.
16164 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
16165 of qnan_msb_set to determine the lower bits of a canonical
16166 NaN significand.
16167 (encode_ieee_double): Likewise.
16168 (encode_ieee_quad): Likewise.
16169 (ieee_single_format): Initialize canonical_nan_lsbs_set.
16170 (mips_single_format): Likewise.
16171 (ieee_double_format): Likewise.
16172 (mips_double_format): Likewise.
16173 (ieee_extended_motorola_format): Likewise.
16174 (ieee_extended_intel_96_format): Likewise.
16175 (ieee_extended_intel_128_format): Likewise.
16176 (ieee_extended_intel_96_round_53_format): Likewise.
16177 (ibm_extended_format): Likewise.
16178 (mips_extended_format): Likewise.
16179 (ieee_quad_format): Likewise.
16180 (mips_quad_format): Likewise.
16181 (vax_f_format): Likewise.
16182 (vax_d_format): Likewise.
16183 (vax_g_format): Likewise.
16184 (i370_single_format): Likewise.
16185 (i370_double_format): Likewise.
16186 (decimal_single_format): Likewise.
16187 (decimal_double_format): Likewise.
16188 (decimal_quad_format): Likewise.
16189 (c4x_single_format): Likewise.
16190 (c4x_extended_format): Likewise.
16191 (real_internal_format): Likewise.
16192 (coldfire_single_format): New real_format.
16193 (coldfire_double_format): Likewise.
16194 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
16195 canonical_nan_lsbs_set.
16196 (pdp11_d_format): Likewise.
16197 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
16198 if TARGET_COLDFIRE_CPU.
16199
16200 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16201
16202 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
16203 (output_call, m68k_legitimize_call_address): Declare.
16204 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
16205 parenthesees. Add support for a 'W' constraint.
16206 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
16207 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
16208 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
16209 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
16210 variables.
16211 (override_options): Initialize them. Do not set flag_no_function_cse
16212 for TARGET_ID_SHARED_LIBRARY.
16213 (m68k_output_pic_call): Delete.
16214 (m68k_legitimize_call_address): New function.
16215 (print_operand): Remove the %o prefix. Handle the %p prefix.
16216 (output_call): New function.
16217 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
16218 target address from the GOT if symbolic jumps are not allowed.
16219 * config/m68k/m68k.md (call, general_operand): Do not set
16220 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
16221 Merge separate flag_pic and !flag_pic define_insns into...
16222 (*call, *call_value): ...these new patterns. Match the address
16223 rather than the containing MEM and require it to be a call_operand.
16224 Use output_call to generate the asm template.
16225 * config/m68k/predicates.md (const_call_operand): New predicate.
16226 (call_operand): Likewise.
16227
16228 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16229
16230 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
16231 (STACK_GROWS_DOWNWARD): Define to 1.
16232 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
16233 comments, emphasizing that these values are only defaults.
16234 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
16235 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
16236
16237 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16238
16239 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
16240
16241 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16242 Richard Sandiford <richard@codesourcery.com>
16243
16244 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
16245 (FP_REGNO_P): New macros.
16246 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
16247 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
16248 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
16249 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
16250
16251 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16252
16253 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16254 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
16255 to $tmake_file.
16256 * config/m68k/t-floatlib: New file, extracting common code from...
16257 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
16258 * config/m68k/t-uclinux: Here.
16259 * config/m68k/fpgnulib.c: Do not compile extendeed precision
16260 routines on ColdFire targets.
16261
16262 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16263
16264 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16265 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
16266 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
16267 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
16268 explicitly set MOTOROLA to 1.
16269 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
16270
16271 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16272 Nathan Sidwell <nathan@codesourcery.com>
16273
16274 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
16275 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
16276 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
16277 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
16278 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
16279 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
16280 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
16281 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
16282 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
16283 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16284 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
16285 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
16286 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
16287 (DBX_REGISTER_NUMBER): Delete.
16288 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
16289 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16290 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
16291
16292 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16293
16294 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
16295 * config/flat.h: New file.
16296 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
16297 OBJECT_FORMAT_FLAT.
16298 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
16299 indirect references for -msep-data or -mid-shared-library.
16300 Do not use PC-relative code addresses either.
16301 * config/m68k/m68k.c (override_options): Restrict -fPIC error
16302 to -mpcrel.
16303 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
16304 for shared libraries and crt1.o for executables. Use crti.o and
16305 crtbegin.o.
16306 (ENDFILE_SPEC): Use crtend.o and crtn.o.
16307 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
16308 Do not add -elf2flt or -shared-lib-id options here.
16309 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
16310 Pass -shared-lib-id if -mid-shared-library, taking the library
16311 identifier from -mshared-library-id if given, otherwise
16312 defaulting to 0.
16313 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
16314 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
16315 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
16316 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
16317 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
16318 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
16319 and crtend.o.
16320 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
16321 jump sequence for ISA A and ISA A+.
16322 (PICJUMP): Likewise.
16323
16324 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16325
16326 * config.gcc (m68k-*-uclinux*): Base the port on the common
16327 and m68k GNU/Linux files rather than on the generic ELF ones.
16328 * config/m68k/uclinux.h (TARGET_VERSION): Override.
16329 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
16330
16331 2007-01-18 Julian Brown <julian@codesourcery.com>
16332 Richard Sandiford <richard@codesourcery.com>
16333
16334 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
16335 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16336 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
16337 before redefining.
16338 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
16339 80 unconditionally.
16340 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16341
16342 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16343
16344 * doc/install.texi: Document m68k-uclinuxoldabi.
16345 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
16346 * config/m68k/uclinux-oldabi.h: New file, copied from
16347 config/m68k/uclinux.h.
16348
16349 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
16350
16351 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
16352 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
16353 (m32r_compute_frame_size): Use unsigned for regno.
16354 (m32r_reload_lr): Use gen_frame_mem.
16355 (pop): New.
16356 (m32r_output_function_epilogue): Don't output the function epilogue
16357 textually here.
16358 (m32r_expand_epilogue): New.
16359 (direct_return): Return false if the function has the interrupt
16360 attribute.
16361 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
16362 * config/m32r/m32r.md (epilogue): New expander.
16363 (return_lr, return_rte): New insns.
16364 (return): Make it expander.
16365 (return_normal): New expander.
16366
16367 2007-01-18 Josh Conner <jconner@apple.com>
16368
16369 PR target/30485
16370 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
16371 support for UNLE, UNLT, UNGE, and UNGT.
16372
16373 2007-01-18 Jan Hubicka <jh@suse.cz>
16374
16375 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
16376 * tree-tailcall (add_virtual_phis): Likewise.
16377 (optimize_tail_call): Return TODOs.
16378 (execute_tail_calls): Return TODOs.
16379 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
16380 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
16381 changed.
16382 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
16383 Cleanup cfg using TODO.
16384 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
16385 * passes.c (execute_function_todo): When cleanup did something, remove
16386 unused locals.
16387 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
16388 (make_edges): Don't cleanup_cfg.
16389
16390 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
16391
16392 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
16393 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
16394 operate on the top of stack.
16395 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
16396 register handling of instructions that output to the second
16397 stack slot.
16398 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
16399 (move_for_stack_reg): Special-case check for dead destination
16400 stack slot for constant load of 1.0 inside UNSPEC_TAN.
16401
16402 * config/i386/i386.md (UNSPEC_TAN): New constant.
16403 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
16404 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
16405 to correctly model move of constant 1.0 to top stack slot.
16406 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
16407 (unnamed peephole2 pattern): Remove corresponding peephole2
16408 pattern that optimizes tan insn and loading of constant 1.0.
16409 (tanxf2): Use fptanxf4_i387.
16410 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
16411 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
16412 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16413 disable patterns for SSE math.
16414 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
16415 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
16416
16417 2007-01-18 Dirk Mueller <dmueller@suse.de>
16418 Richard Guenther <rguenther@suse.de>
16419
16420 PR diagnostic/8268
16421 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
16422 * common.opt (Warray-bounds): Add new warning option.
16423 * c-opts.c (c_common_handle_option): Define -Warray-bounds
16424 if -Wall is given.
16425 * Makefile.in: make tree-vrp.o depend on toplev.h
16426 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
16427 is enabled.
16428 (check_array_refs, check_array_bounds, check_array_ref): New.
16429
16430 2007-01-18 Jan Hubicka <jh@suse.cz>
16431
16432 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
16433 (execute_ssa_ccp): Return flags conditionally.
16434 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
16435 changed.
16436 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
16437
16438 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
16439
16440 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
16441 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
16442
16443 * Makefile.c (GTFILES): Add cfglayout.h.
16444 * gengtype.c (open_base_files): Likewise.
16445 * cfglayout.c (cfg_layout_function_footer,
16446 cfg_layout_function_header) Reindent to make gengtype happy.
16447 * cfglayout.h (cfg_layout_function_footer,
16448 cfg_layout_function_header): Add GTY(()) marker.
16449
16450 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
16451
16452 2007-01-18 Ben Elliston <bje@au.ibm.com>
16453
16454 * genautomata.c (write_automata): Include xstrerror output in the
16455 error message if writing the DFA description file fails.
16456
16457 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
16458
16459 * config/mips/mips-protos.h (mips_output_external): Make it
16460 return void.
16461 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
16462 * config/mips/mips.c (irix_output_external_libcall): Likewise.
16463 (extern_list): Likewise.
16464 (extern_head): Likewise.
16465 (TARGET_ASM_FILE_END): Likewise.
16466 (mips_file_end): Likewise.
16467 (mips_output_external): Rewritten.
16468
16469 2007-01-18 Ben Elliston <bje@au.ibm.com>
16470
16471 * genpreds.c (write_insn_preds_c): Only write out the function
16472 body for regclass_for_constraint if we have register constraints.
16473
16474 2007-01-17 Tom Tromey <tromey@redhat.com>
16475
16476 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
16477 * doc/install.texi (Testing): Use sourceware.org.
16478 (Binaries): Likewise.
16479 (Specific): Likewise.
16480 * doc/contrib.texi (Contributors): Use sourceware.org.
16481
16482 2007-01-17 Anatoly Sokolov <aesok@post.ru>
16483
16484 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
16485 (AVR_ENHANCED): Rename to ...
16486 (AVR_HAVE_MUL): ... new.
16487 (avr_enhanced_p): Rename to ...
16488 (avr_have_mul_p): ... new.
16489 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
16490 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
16491 * config/avr/avr.c (avr_enhanced_p): Rename to ...
16492 (avr_have_mul_p): ... new.
16493 (base_arch_s): Rename 'enhanced' to 'have_mul'.
16494 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
16495 'avr_enhanced_p' and 'enhanced'.
16496 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
16497 AVR_HAVE_MUL instead of AVR_ENHANCED.
16498 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16499 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
16500 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
16501 instead of AVR_ENHANCED.
16502 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16503 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
16504 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
16505
16506 2007-01-17 Ian Lance Taylor <iant@google.com>
16507
16508 * vec.h (VEC_reserve_exact): Define.
16509 (vec_gc_p_reserve_exact): Declare.
16510 (vec_gc_o_reserve_exact): Declare.
16511 (vec_heap_p_reserve_exact): Declare.
16512 (vec_heap_o_reserve_exact): Declare.
16513 (VEC_OP (T,A,reserve_exact)): New static inline function, three
16514 versions.
16515 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
16516 negative parameter.
16517 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
16518 (VEC_OP (T,A,copy)) [all versions]: Likewise.
16519 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
16520 * vec.c (calculate_allocation): Add exact parameter. Change all
16521 callers.
16522 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
16523 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
16524 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
16525 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
16526 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
16527 (vec_heap_p_reserve_exact): New function.
16528 (vec_heap_o_reserve_exact): New function.
16529
16530 2007-01-17 Jan Hubicka <jh@suse.cz>
16531
16532 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
16533
16534 2007-01-17 Eric Christopher <echristo@apple.com>
16535
16536 * config.gcc: Support core2 processor.
16537
16538 2007-01-16 Jan Hubicka <jh@suse.cz>
16539
16540 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
16541 the names, just unlink the chain so we don't crash on dangling pointers
16542 to dead SSA names.
16543
16544 2007-01-16 Jan Hubicka <jh@suse.cz>
16545
16546 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
16547 * tree-pass.h: Reorder to make IPA passes appear toegher.
16548 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
16549 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
16550 parameters, do not call early inliner.
16551 * ipa-inline.c: Update comments. Include tree-flow.h
16552 (cgraph_decide_inlining): Do not compute inlining parameters.
16553 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
16554 be called with function context set up.
16555 (pass_ipa_inline): Remove unreachable functions before pass.
16556 (cgraph_early_inlining): Simplify assuming to be called from the
16557 PM as local pass.
16558 (pass_early_inline): New pass.
16559 (cgraph_gate_ipa_early_inlining): New gate.
16560 (pass_ipa_early_inline): Turn into simple wrapper.
16561 (compute_inline_parameters): New function.
16562 (gate_inline_passes): New gate.
16563 (pass_inline_parameters): New pass.
16564 (apply_inline): Move here from tree-optimize.c
16565 (pass_apply_inline): New pass.
16566 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
16567 transforming.
16568 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
16569 doing them by hand.
16570 (tree_function_versioning): Do not allocate dummy struct function.
16571 * tree-inline.h (optimize_inline_calls): Update prototype.
16572 * tree-optimize.c (execute_fixup_cfg): Export.
16573 (pass_fixup_cfg): Remove
16574 (tree_rest_of_compilation): Do not apply inlines.
16575 * tree-flow.h (execute_fixup_cfg): Declare.
16576 * Makefile.in (gt-passes.c): New.
16577 * passes.c: Include gt-passes.h
16578 (init_optimization_passes): New passes.
16579 (nnodes, order): New static vars.
16580 (do_per_function_toporder): New function.
16581 (execute_one_pass): Dump current pass here.
16582 (execute_ipa_pass_list): Don't dump current pass here.
16583
16584 2007-01-16 Janis Johnson <janis187@us.ibm.com>
16585
16586 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
16587 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
16588
16589 2007-01-16 David Edelsohn <edelsohn@gnu.org>
16590
16591 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
16592 (strong_alias): Define.
16593 (__gcc_qmul): Provide non-FMA for soft-float.
16594 (__gcc_qdiv): Same.
16595 (__gcc_qneg): New.
16596 (__gcc_qeq): New.
16597 (__gcc_qle): New.
16598 (__gcc_qge): New.
16599 (__gcc_qunord): New.
16600 (__gcc_stoq): New.
16601 (__gcc_dtoq): New.
16602 (__gcc_qtos): New.
16603 (__gcc_qtod): New.
16604 (__gcc_qtoi): New.
16605 (__gcc_qtou): New.
16606 (__gcc_itoq): New.
16607 (__gcc_utoq): New.
16608 (fmsub): New.
16609 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
16610 soft-float functions.
16611 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
16612 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
16613 about long double soft float.
16614
16615 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
16616 Tehila Meyzels <tehila@il.ibm.com>
16617
16618 * tree-vectorizer.h (is_pattern_stmt_p): New.
16619 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
16620 formatting (tabs instead of spaces). Cleanup and clarify setting
16621 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
16622 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
16623 (vectorizable_type_demotion): Check that types are integral.
16624 (vectorizable_type_promotion): Likewise.
16625 (vectorizable_store): Fix typo. Eliminate new-line at end of
16626 comments.
16627
16628 2007-01-16 Jan Hubicka <jh@suse.cz>
16629
16630 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
16631 cgraph edges too.
16632
16633 2007-01-15 Eric Christopher <echristo@apple.com>
16634
16635 * ifcvt.c: Include vec.h, vecprim.h.
16636 (check_cond_move_block): New argument regs.
16637 Reorganize. Add registers used to regs.
16638 (cond_move_process_if_block): Use regs set above as
16639 loop bounds.
16640
16641 2007-01-15 Eric Christopher <echristo@apple.com>
16642
16643 * config/darwin.h: Update copyright.
16644 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
16645 (LINK_COMMAND_SPEC): Add -u.
16646 (LINK_SPEC): Fix umbrella for above.
16647
16648 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
16649
16650 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
16651 glibc CVS.
16652
16653 2007-01-15 Tom Tromey <tromey@redhat.com>
16654
16655 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
16656 * doc/install.texi (Testing): Don't mention jacks.
16657 (Configuration): Document --enable-java-maintainer-mode. Move
16658 --with-java-home to libgcj-specific section. Document
16659 --with-ecj-jar.
16660 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
16661
16662 2007-01-15 Jan Hubicka <jh@suse.cz>
16663
16664 * tree-ssa-dce.c (DCE_TODOs): New.
16665 (propagate_necessity): Return if something changed.
16666 (eliminate_unnecessary_stmts): Likewise.
16667 (perform_tree_ssa_dce): Return TODO flags when needed.
16668 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
16669
16670 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
16671
16672 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
16673 (fyl2x_extend<mode>xf3_i387): New insn pattern.
16674 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
16675 patterns using X87MODEF12 mode macro. Extend operand 1
16676 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16677 (log10<mode>2): Ditto.
16678 (log2<mode>2): Ditto.
16679 (log1p<mode>2): Ditto.
16680 (logb<mode>2): Ditto.
16681 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
16682 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
16683 (*fxtractxf3_i387): Rename from *fxtractxf3.
16684 (fxtract_extend<mode>xf3_i387): New insn pattern.
16685 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
16686 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
16687 and gen_fyl2xxf3_i387().
16688
16689 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16690
16691 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
16692 * cfgloopmanip.c (fix_loop_placement): Made static. Use
16693 get_loop_exit_edges. Changed return type to bool.
16694 * cfgloop.h (fix_loop_placement): Declaration removed.
16695
16696 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
16697
16698 * param.h (MIN_VECT_LOOP_BOUND): New.
16699 * params.def (MIN_VECT_LOOP_BOUND): New.
16700 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
16701 argument - minimum threshold for number of iterations.
16702 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
16703 argument to declaration.
16704 * tree-vect-analyze.c (vect_analyze_operations): Check value of
16705 MIN_VECT_LOOP_BOUND.
16706 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
16707 slpeel_tree_peel_loop_to_edge with additional argument.
16708 (vect_do_peeling_for_alignment): Likewise.
16709 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
16710
16711 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
16712
16713 PR target/30413
16714 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
16715 operands of size 1.
16716
16717 2007-01-14 Jan Hubicka <jh@suse.cz>
16718
16719 * tree-dfa.c (remove_referenced_var): New function.
16720 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
16721 prune referenced vars list too.
16722 * tree-flow.h (remove_referenced_var): Declare.
16723
16724 2007-01-14 Jan Hubicka <jh@suse.cz>
16725
16726 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
16727 separately.
16728 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
16729 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
16730 * except.h (verify_eh_throw_table_statements): Kill prototype.
16731 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
16732 into call exrepssions.
16733 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
16734 eh trhow verifier.
16735 * tree-cfg.c: Include pointer-set.h.
16736 (verify_node_sharing): Work on pointer set.
16737 (verify_eh_throw_stmt_node): New.
16738 (verify_stmts): Use pointers sets, verify throw_stmt.
16739
16740 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
16741
16742 * ipa-reference.c (analyze_function): Consider also addresses taken
16743 in phi nodes.
16744
16745 2007-01-12 Roger Sayle <roger@eyesopen.com>
16746
16747 * c-typeck.c (null_pointer_constant_p): Replace use of
16748 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16749 (build_c_cast): Likewise.
16750
16751 2007-01-12 Roger Sayle <roger@eyesopen.com>
16752
16753 * tree.h (force_fit_type_double): Remove unused final argument.
16754 * c-common.c (constant_expression_warning): Replace use of
16755 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16756 (convert_and_check): Likewise.
16757 (shorten_compare): Update call to force_fit_type_double.
16758 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
16759 * convert.c (convert_to_pointer): Update call to
16760 force_fit_type_double.
16761 * fold-const.c (force_fit_type_double): Remove overflowed_const
16762 argument.
16763 (int_const_binop, fold_convert_const_int_from_int,
16764 fold_convert_const_int_from_real, fold_div_compare,
16765 fold_sign_changed_comparison, fold_unary, fold_negate_const,
16766 fold_abs_const, fold_not_const): Remove the final argument from
16767 calls to force_fit_type_double.
16768
16769 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
16770
16771 * configure.ac: Set insn to "nop" for spu-*-* also.
16772 * configure: Regenerate.
16773
16774 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
16775
16776 * builtins.def : Add BUILT_IN_FREE.
16777
16778 2007-01-12 Jan Hubicka <jh@suse.cz>
16779
16780 PR tree-optimization/30443
16781 * tree-inline.c (tree_function_versioning): Do not optimize when
16782 cloning for inlining.
16783
16784 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
16785
16786 * doc/loop.texi: Document recording of loop exits.
16787 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
16788 (update_single_exits_after_duplication,
16789 update_single_exit_for_duplicated_loop,
16790 update_single_exit_for_duplicated_loops): Removed.
16791 (duplicate_loop_to_header_edge): Do not call
16792 update_single_exits_after_duplication and
16793 update_single_exit_for_duplicated_loops.
16794 (loop_version): Do not update single_exit information.
16795 (fix_loop_structure): Use record_loop_exits instead of
16796 mark_single_exit_loops.
16797 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
16798 the lists of loop exits.
16799 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
16800 split_edge, merge_blocks): Update the lists of loop exits.
16801 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
16802 loop_optimizer_init.
16803 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
16804 of mark_single_exit_loops.
16805 (loop_optimizer_finalize): Call release_recorded_exits.
16806 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
16807 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
16808 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
16809 update single exit information.
16810 * lambda-code.c (perfect_nestify): Ditto.
16811 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
16812 (mark_single_exit_loops): Removed.
16813 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
16814 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
16815 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
16816 functions.
16817 (get_loop_exit_edges, single_exit): Use recorded exit lists.
16818 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
16819 (verify_loop_structure): Verify consistency of the exit lists.
16820 (flow_loops_find): Use alloc_loop. Initialize exits hash.
16821 (set_single_exit): Removed.
16822 * cfgloop.h (struct loop_exit): New function.
16823 (struct loop): single_exit_ field replaced by exits field.
16824 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
16825 (struct loops): Added exits hash.
16826 (mark_single_exit_loops, set_single_exit): Declaration removed.
16827 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
16828
16829 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16830
16831 * doc/invoke.texi: Avoid use of @headitem.
16832
16833 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16834
16835 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
16836
16837 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16838
16839 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
16840 list of targets.
16841
16842 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16843 Richard Sandiford <richard@codesourcery.com>
16844
16845 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
16846 * config/m68k/m68k.opt: Resort options.
16847 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
16848
16849 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16850 Richard Sandiford <richard@codesourcery.com>
16851
16852 * doc/invoke.texi: Document the macros that are defined by
16853 m68k's -mtune and -mhard-float options.
16854 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
16855 (m68k_cpp_cpu_family): Likewise.
16856 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
16857 of __ucfv*__ macros. Define __mcffpu__ if generating code for
16858 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
16859 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
16860 (m68k_cpp_cpu_family): Likewise.
16861
16862 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16863
16864 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
16865 macros besides mc68000 as tuning macros. Use a switch statement
16866 to set them and mcpu32.
16867
16868 2007-01-12 Julian Brown <julian@codesourcery.com>
16869
16870 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
16871 (TARGET_68040_ONLY): Rename to...
16872 (TARGET_68040): ...this.
16873 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
16874 * config/m68k/m68k.md: Likewise.
16875
16876 2007-01-12 Julian Brown <julian@codesourcery.com>
16877 Nathan Sidwell <nathan@codesourcery.com>
16878 Richard Sandiford <richard@codesourcery.com>
16879
16880 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
16881 the -mcpu= argument associated with the --with-cpu setting.
16882 Define M68K_DEFAULT_TUNE to the default -mtune= option,
16883 if different from the one implied by the -mcpu setting.
16884 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
16885 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
16886 * doc/invoke.texi: Mention ColdFire in the introduction to the
16887 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
16888 -mno-div and -mhard-float options. Make -m68881 a synonym for
16889 -mhard-float. Document the previously-undocumented -m5206e,
16890 -m528x, -m5307 and -m5407 options. Tweak the existing option
16891 documentation for consistency.
16892 * doc/install.texi: Mention new --with-cpu arguments.
16893 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
16894 default CPU if neither -mcpu nor -march are specified.
16895 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
16896 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
16897 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
16898 using m68k_tune to decide between families that implement the
16899 same ISA. Use m68k_tune to set __mcfv4e__.
16900 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
16901 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
16902 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
16903 (FL_ISA_C, FL_ISA_MMU): New macros.
16904 (MASK_COLDFIRE): Delete.
16905 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
16906 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
16907 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
16908 (TARGET_HARD_FLOAT): Do not define here.
16909 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
16910 (TUNE_68000): New macro.
16911 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
16912 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
16913 (TUNE_CFV2): Redefine in terms of m68k_tune.
16914 (uarch_type, target_device, fpu_type): New enums.
16915 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
16916 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
16917 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
16918 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
16919 (FL_FOR_isa_c): New macros.
16920 (m68k_isa): New enum.
16921 (m68k_target_selection): New structure.
16922 (all_devices, all_isas, all_microarchs): New tables.
16923 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
16924 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
16925 (MASK_ALL_CPU_BITS): Delete.
16926 (m68k_find_selection): New function.
16927 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
16928 Map the legacy target options to a combination of the new ones.
16929 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
16930 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
16931 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
16932 settings.
16933 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
16934 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
16935 properties.
16936 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
16937 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
16938 * config/m68k/m68k-devices.def: New file.
16939
16940 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16941 Nathan Sidwell <nathan@codesourcery.com>
16942
16943 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
16944 (SUBTARGET_EXTRA_SPECS): New macros.
16945 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
16946 use %(asm_cpu_spec) instead.
16947 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
16948 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
16949 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
16950 (EXTRA_SPECS): Rename to...
16951 (SUBTARGET_EXTRA_SPECS): ...this.
16952
16953 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16954 Richard Sandiford <richard@codesourcery.com>
16955 Julian Brown <julian@codesourcery.com>
16956
16957 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16958 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
16959 to the configuration's default CPU.
16960 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
16961 Remove default masks.
16962 (m680[012]0-*-*): Set the default with_cpu to the first part of
16963 the target name.
16964 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
16965 (m68k*-*-linux): Extend the --with-cpu handling to...
16966 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
16967 and m68010. Don't set target_cpu_default2.
16968 * doc/install.texi: Document --with-cpu for m68k.
16969 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
16970 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
16971 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
16972 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
16973 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
16974 (ASM_SPEC): Remove use of %(asm_cpu_default).
16975 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
16976 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
16977 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
16978 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
16979 __HAVE_FPU__ if TARGET_HARD_FLOAT.
16980 (TARGET_DEFAULT): Delete.
16981 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
16982 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
16983 (CPP_CPU_SPEC): Delete.
16984 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
16985 the appropriate string.
16986 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
16987 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
16988 (ASM_SPEC): Don't use %(asm_default_spec).
16989 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16990 TARGET_DEFAULT and add MASK_68881.
16991 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
16992
16993 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16994
16995 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
16996 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
16997 MASK_68010 alongside MASK_68020.
16998 * doc/invoke.texi: Document -m68010.
16999 * config/m68k/m68k.opt (m68010): New.
17000 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
17001 if TUNE_68010.
17002 (TUNE_68010): New macro.
17003 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
17004 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
17005 (M68K_CPU_m68332): Add MASK_68010.
17006 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
17007 fallback definition.
17008 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
17009 defines.
17010 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
17011 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
17012 to all entries that use MASK_68020.
17013 (output_move_simode_const, output_move_himode, output_move_qimode)
17014 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
17015 instead of TARGET_68020 to select clr behavior. Remove comment
17016 about there being no TARGET_68010.
17017 * config/m68k/m68k.md: Likewise throughout.
17018
17019 2007-01-12 Julian Brown <julian@codesourcery.com>
17020
17021 * config/m68k/m68k.h (TARGET_ISAB): New macro.
17022 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
17023 * config/m68k/m68k.md: Likewise.
17024
17025 2007-01-12 Julian Brown <julian@codesourcery.com>
17026
17027 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
17028 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
17029
17030 2007-01-12 Julian Brown <julian@codesourcery.com>
17031
17032 * config/m68k/m68k.h (TUNE_68040_60): New macro.
17033 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
17034 * config/m68k/m68k.md: Likewise.
17035
17036 2007-01-12 Julian Brown <julian@codesourcery.com>
17037 Richard Sandiford <richard@codesourcery.com>
17038
17039 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
17040 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
17041 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
17042 TARGET_CPU32.
17043 (TARGET_CPU32): Rename to...
17044 (TUNE_CPU32): ...this.
17045 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
17046 (TUNE_CFV2): New macros.
17047 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
17048 remove conditions that are implied by TARGET_68020.
17049 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
17050 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
17051 (m68k_output_function_epilogue): Likewise.
17052 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
17053 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
17054 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
17055 non-68000 timings. Refactor multiplication and division costs.
17056 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
17057 TUNE_CPU32 instead of TARGET_CPU32.
17058 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
17059 and TUNE_68060 instead of TARGET_68060.
17060 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
17061 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
17062 TARGET_CPU32.
17063 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
17064 && !TARGET_COLDFIRE" to choose between moveq and clr.
17065 Likewise in the unnamed movsf pattern.
17066 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
17067 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
17068 ashiftrt pattern.
17069
17070 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17071
17072 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
17073 of tabbing before backslashes.
17074
17075 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17076
17077 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
17078 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
17079 (ASM_OUTPUT_INTERNAL_LABEL): Define.
17080
17081 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17082
17083 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
17084 find_interesting_uses_cond.
17085 (find_interesting_uses_cond): Use extract_cond_operands.
17086 (rewrite_use_compare): Use extract_cond_operands and
17087 force_gimple_operand_bsi. Do not call update_stmt.
17088 (determine_use_iv_cost_condition): Use extract_cond_operands.
17089 Return cheaper of using original bound and changing the exit bound.
17090
17091 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17092
17093 PR tree-optimization/29516
17094 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
17095 most_expensive_mult_to_index, addr_to_parts,
17096 create_mem_ref, maybe_fold_tmr): Make the type of
17097 fields of TARGET_MEM_REF sizetype.
17098 (move_fixed_address_to_symbol, move_pointer_to_base):
17099 New functions.
17100 * tree.def (TARGET_MEM_REF): Add comment on types of
17101 the operands.
17102
17103 2007-01-11 Joseph Myers <joseph@codesourcery.com>
17104
17105 * c-common.c (vector_types_convertible_p): Treat opaque types as
17106 always convertible if they have the same size, but not otherwise.
17107
17108 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
17109
17110 * ifcvt.c (struct noce_if_info): Add comments to the fields.
17111 Remove the b_unconditional field.
17112 (noce_try_sign_mask): Do not look at b_unconditional.
17113 (noce_process_if_block): Do not use merge_if_blocks. Update
17114 the CFG here. Do not set b_unconditional.
17115 (cond_move_process_if_block): Likewise.
17116 (find_cond_trap): Likewise.
17117 (check_cond_move_block): Require simple jump insns at the end
17118 of the basic block.
17119
17120 2007-01-11 Jan Hubicka <jh@suse.cz>
17121
17122 PR tree-optimization/1046
17123 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
17124 when alias info is not ready.
17125 (pass_tail_recursion): Do not require aliasing.
17126 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
17127 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
17128 * tree-ssa-copy.c (pass_copy_prop): Likewise.
17129 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
17130 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
17131 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
17132 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
17133 before inlining.
17134 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
17135 When aliasing is not build, mark statement as volatile.
17136
17137 2007-01-11 Tom Tromey <tromey@redhat.com>
17138
17139 PR preprocessor/15185, PR preprocessor/20989:
17140 * doc/cppopts.texi <-MT>: Update description of algorithm for
17141 computing default target.
17142 <-M, -MD>: Reword "basename" text.
17143
17144 2007-01-11 Roger Sayle <roger@eyesopen.com>
17145
17146 * builtins.c (expand_builtin_pow, expand_builtin_powi,
17147 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
17148 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
17149 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
17150 fold_builtin_bswap, real_constp, fold_builtin_pow,
17151 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
17152 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
17153 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17154 * convert.c (convert_to_pointer): Likewise.
17155 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
17156 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
17157 const_binop, fold_convert_const_int_from_int,
17158 fold_convert_const_int_from_real,
17159 fold_convert_const_real_from_real, sign_bit_p,
17160 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
17161 fold_sign_changed_comparison, fold_unary, fold_comparison,
17162 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
17163 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
17164 * print-tree.c (print_node_brief, print_node): Likewise.
17165 * stor-layout.c (place_field, layout_type): Likewise.
17166 * tree-chrec.c (keep_cast): Likewise.
17167 * tree.c (build_vector, build_real, build_real_from_int_cst,
17168 build_complex): Likewise.
17169
17170 2007-01-11 Roger Sayle <roger@eyesopen.com>
17171
17172 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
17173 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
17174
17175 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
17176
17177 * configure.ac (strict1_warn): Rename to strict_warn.
17178 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
17179 cc_set_by_configure, quoted_cc_set_by_configure,
17180 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
17181 all_boot_languages, all_stagestuff): Remove.
17182 (target_list): Remove bootstrap targets.
17183 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
17184 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
17185 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
17186 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
17187 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
17188 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
17189 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
17190 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
17191 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
17192 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
17193 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
17194 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
17195 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
17196 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
17197 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
17198 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
17199 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
17200 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
17201 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
17202 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
17203 (mostlyclean): Adjust.
17204 (clean, distclean): Don't mention bootstrap stuff.
17205 * configure: Regenerate.
17206 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
17207 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
17208 treelang/config-lang.in (stagestuff): Remove.
17209 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
17210 stageprofile, stagefeedback, stagestuff): Remove mention.
17211
17212 2007-01-11 Nick Clifton <nickc@redhat.com>
17213
17214 * config/mcore/predicates.md (mcore_general_movesrc_operand):
17215 Accept CONSTs.
17216 (mcore_general_movdst_operand): Do not accept CONST_INTs.
17217 (mcore_arith_K_S_operand): Run the test for the S constraint not
17218 the test for the M constraint.
17219 (mcore_addsub_operand): Do not accept integer values that are
17220 larger than 32 bits.
17221 * config/mcore/mcore.md: Remove unused constraints from split.
17222 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
17223 (addsi3): Likewise.
17224 (allocate_stack): Likewise.
17225 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
17226 operands to 32 bits.
17227 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
17228 INTVAL.
17229 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
17230 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
17231 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
17232 mcore_output_bclri, mcore_output_andn, output_inline_const,
17233 mcore_output_move, mcore_output_movedouble): Likewise.
17234 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
17235 (output_inline_const): Likewise.
17236 (output_inline_const): Fix format strings used in sprintf
17237 statements.
17238 * config/mcore/mcore-protos.h: Update prototypes for changed
17239 functions in mcore.c.
17240 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
17241 HOST_WIDE_INT and not int.
17242 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
17243 CONST_OK_FOR_N): Likewise.
17244 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
17245 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
17246 an INTVAL.
17247
17248 2007-01-10 Jan Hubicka <jh@suse.cz>
17249
17250 * tree-vrp.c (remove_range_assertions): Release defs.
17251 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
17252 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
17253
17254 2007-01-10 Paul Brook <paul@codesourcery.com>
17255
17256 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
17257 * config/arm/arm.md (mulsi3subsi): New insn.
17258
17259 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
17260
17261 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
17262 (tree_transform_and_unroll_loop): New.
17263 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
17264 Declare.
17265
17266 2007-01-10 Robert Kennedy <jimbob@google.com>
17267
17268 * fold-const.c (fold_comparison): Fold comparisons like (x *
17269 1000 < 0) to (x < 0).
17270
17271 2007-01-10 Ian Lance Taylor <iant@google.com>
17272
17273 * tree-pretty-print.c (dump_generic_node): Print parentheses when
17274 operands have the same priority.
17275
17276 2007-01-10 Tom Tromey <tromey@redhat.com>
17277
17278 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
17279 (fold_binary): Likewise.
17280 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
17281 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
17282 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
17283 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
17284 * langhooks.h (struct lang_hooks): Removed field
17285 'can_use_bit_fields_p'.
17286
17287 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
17288
17289 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
17290
17291 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
17292
17293 * function.c (get_last_funcdef_no): New function.
17294 * function.h (get_last_funcdef_no): Declare.
17295 * tree-inline.c (initialize_cfun): Add initialization.
17296 (tree_function_versioning): Cleanup.
17297
17298 2007-01-10 Jan Hubicka <jh@suse.cz>
17299
17300 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
17301 PHIs.
17302
17303 2007-01-10 Sa Liu <saliu@de.ibm.com>
17304 Ben Elliston <bje@au.ibm.com>
17305
17306 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
17307 for SAVE_NONLOCAL and Pmode for any other save level.
17308 * spu-protos.h (spu_restore_stack_block): Declare.
17309 * spu.md (save_stack_block): Remove.
17310 (restore_stack_block): Call spu_restore_stack_block.
17311 * spu.c (spu_restore_stack_block): New function.
17312 (spu_expand_epilogue): Remove old comment.
17313
17314 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
17315
17316 PR tree-optimization/30322
17317 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
17318 (cand_value_at): Return the value as aff_tree.
17319 (may_eliminate_iv): Convert the bound from aff_tree to tree.
17320 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
17321 aff_combination_mult): New functions.
17322 (aff_combination_add): Use aff_combination_add_cst.
17323 (aff_combination_convert): Allow conversions to a wider type.
17324 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
17325 * tree-affine.h (aff_combination_mult): Declare.
17326
17327 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
17328
17329 * doc/tm.texi: Update documentation to reflect reality of exec
17330 and start file search behaviours. Update copyright year.
17331 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
17332 header file directories.
17333
17334 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
17335
17336 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
17337 (*cosxf2): Rename to cosxf2_i387.
17338 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
17339 using X87MODEF12 mode macro. Rename patterns to
17340 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
17341 for SSE math.
17342 (*cosdf2, *cossf2): Ditto.
17343 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
17344 to match extended input operands.
17345 (sincos<mode>3): New expander.
17346 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
17347 insn patterns and corresponding splitters.
17348
17349 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
17350
17351 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
17352 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
17353
17354 2007-01-09 Nicolas Pitre <nico@cam.org>
17355
17356 PR target/30173
17357 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
17358
17359 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17360
17361 * target.h (struct gcc_target): New field library_rtti_comdat.
17362 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
17363 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
17364 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
17365 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
17366
17367 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17368
17369 * doc/invoke.texi (Optimize Options): Correct description of -O0.
17370
17371 2007-01-08 Richard Guenther <rguenther@suse.de>
17372
17373 * tree.h (force_fit_type_double): Export.
17374 (force_fit_type): Remove.
17375 * fold-const.c (force_fit_type_double): New function.
17376 (force_fit_type): Remove.
17377 (int_const_binop): Use it.
17378 (fold_convert_const_int_from_int): Likewise.
17379 (fold_convert_const_int_from_real): Likewise.
17380 (fold_div_compare): Likewise.
17381 (fold_sign_changed_comparison): Likewise.
17382 (fold_unary): Likewise.
17383 (fold_negate_const): Likewise.
17384 (fold_abs_const): Likewise.
17385 (fold_not_const): Likewise.
17386 * c-common.c (shorten_compare): Use force_fit_type_double.
17387 * convert.c (convert_to_pointer): Likewise.
17388
17389 2007-01-08 Richard Guenther <rguenther@suse.de>
17390
17391 * tree.h (build_int_cst_wide_type): Export.
17392 * tree.c (build_int_cst_wide_type): New function.
17393 (build_int_cst_wide): Fix comment.
17394 * builtins.c (fold_builtin_object_size): Use build_int_cst
17395 to build -1 or 0 of the correct type. Use fit_double_type
17396 to check for overflow.
17397 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
17398 to build the mask.
17399 (decode_field_reference): Likewise.
17400 (all_ones_mask_p): Likewise.
17401 (native_interpret_int): Use build_int_cst_wide_type.
17402 (fold_binary): Use build_int_cst_type to build an all-ones
17403 value.
17404 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
17405
17406 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
17407
17408 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
17409
17410 2007-01-09 Ben Elliston <bje@au.ibm.com>
17411
17412 * genautomata.c (STATS_OPTION): New option.
17413 (stats_flag): New flag.
17414 (gen_automata_option): Handle it.
17415 (initiate_automaton_gen): Ditto.
17416 (write_automata): Output statistics only if stats_flag is
17417 set. Likewise, output time statistics only if time_flag is set.
17418 * doc/md.texi (Processor pipeline description): Document new flag.
17419
17420 2007-01-08 Richard Guenther <rguenther@suse.de>
17421
17422 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
17423 * tree.c (build_int_cst_type): Likewise.
17424 (size_in_bytes): Don't call force_fit_type on the result.
17425 (int_fits_type_p): Use fit_double_type.
17426 * fold-const.c (fit_double_type): New function.
17427 (force_fit_type): Use it.
17428 * tree.h (fit_double_type): Export.
17429
17430 2007-01-08 Jan Hubicka <jh@suse.cz>
17431
17432 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
17433 * ipa.c (function_and_variable_visibility): Fix return type.
17434
17435 2007-01-08 Richard Guenther <rguenther@suse.de>
17436
17437 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
17438 of offset to build the index.
17439 * tree-pretty-print.c (dump_generic_node): Don't build negated
17440 const just for printing.
17441 * c-pretty-print.c (pp_c_integer_constant): Likewise.
17442 * builtins.c (fold_builtin_int_roundingfn): Check if result
17443 fits the type by using force_fit_type and comparing the result.
17444 * predict.c (predict_loops): Use compare_tree_int for comparison.
17445 * tree.c (build_int_cst): Fall back to integer_type_node for
17446 NULL_TREE type.
17447 (build_int_cst_wide): Assert type is non-null.
17448
17449 2007-01-08 Roberto Costa <roberto.costa@st.com>
17450
17451 * tree-vrp.c (extract_range_from_cond_expr): New.
17452 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
17453 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
17454 as expressions.
17455 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
17456 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
17457 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
17458 used as expressions.
17459 * tree-object-size.c (cond_expr_object_size): New.
17460 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
17461
17462 2007-01-08 Jan Hubicka <jh@suse.cz>
17463
17464 * tree-ssa-forwprop.c (forward_propagate_into_cond,
17465 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
17466 statement.
17467
17468 2007-01-08 Richard Guenther <rguenther@suse.de>
17469
17470 PR tree-optimization/23603
17471 * tree-vrp.c (set_value_range_to_truthvalue): New function.
17472 (extract_range_from_binary): Fall back to truthvalue instead of
17473 varying for TRUTH_*_EXPR.
17474 (extract_range_from_comparison): Fall back to truthvalue instead of
17475 varying.
17476 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
17477 if all visited PHI values were constant.
17478
17479 2007-01-08 Jan Hubicka <jh@suse.cz>
17480
17481 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
17482 (cgraph_analyze_function): break out from ...
17483 (cgraph_finalize_compilation_unit): ... here.
17484 (cgraph_expand_function): Remove forgoten commented out line.
17485 (cgraph_optimize): Analyze functions.
17486
17487 2007-01-08 Jan Hubicka <jh@suse.cz>
17488
17489 * tree-pas.h (TODO_remove_function): New flag.
17490 (TODO_update*): Renumber.
17491 (pass_ipa_increase_alignment,
17492 pass_ipa_function_and_variable_visibility): New passes.
17493 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
17494 (cgraph_function_and_variable_visibility): Move to ipa.c
17495 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
17496 cgraph_increase_alignment.
17497 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
17498 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
17499 calling tree-inline.
17500 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
17501 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
17502 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
17503 (gate_increase_alignment): New function.
17504 (pass_ipa_increase_alignment): New pass.
17505 * ipa.c: Inline tree-pass.h and timevar.h
17506 (function_and_variable_visibility): Move here from cgraphunit.c
17507 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
17508 * passes.c (init_optimization_passes): Add the two new passes.
17509 (execute_todo): Handle cgraph_remove_functions.
17510
17511 2007-01-08 Nick Clifton <nickc@redhat.com>
17512
17513 * config/frv/predicates.md (reg_or_0_operand): Accept
17514 CONST_DOUBLEs.
17515
17516 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
17517
17518 * config/bfin/rtems.h, config/bfin/t-rtems: New.
17519 * config.gcc: Add bfin*-rtems*.
17520
17521 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17522
17523 * c.opt: Add -flax-vector-conversions.
17524 * c-typeck.c (convert_for_assignment): Pass flag to
17525 vector_types_convertible_p to allow emission of note.
17526 (digest_init): Likewise.
17527 * c-opts.c: Handle -flax-vector-conversions.
17528 * c-common.c (flag_lax_vector_conversions): New.
17529 (vector_types_convertible_p): Unless -flax-vector conversions
17530 has been passed, disallow conversions between vectors with
17531 differing numbers of subparts and/or element types. If such
17532 a conversion is disallowed, possibly emit a note on the first
17533 occasion only to inform the user of -flax-vector-conversions.
17534 The new last argument specifies this.
17535 * c-common.h (flag_lax_vector_conversions): New.
17536 (vector_types_convertible_p): Add extra argument.
17537 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
17538 char_type_node for V*QI type vectors.
17539 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
17540 Update to satisfy new typechecking rules.
17541 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
17542 C and C++ variants.
17543 * doc/invoke.texi (C Dialect Options): Document
17544 -flax-vector-conversions.
17545
17546 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17547
17548 PR tree-optimization/29877
17549 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
17550 a register variable on the RHS to not be replaceable.
17551
17552 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
17553 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
17554 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
17555 const_simm15, const_pow2, const_npow2): Added.
17556 * config/score/misc.md (insv, extv, extzv, movmemsi,
17557 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
17558 * config/score/score.c (score_address_cost, score_select_cc_mode):
17559 Added.
17560 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
17561 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
17562 Update score_print_operand.
17563 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
17564 Adjust register allocate order and update some macro define.
17565 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
17566 mdx_block_move_straight, mdx_block_move_loop_head,
17567 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
17568 mdx_block_move): Added.
17569 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
17570 mdp_limm): Updated and fix some bug and typo.
17571 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
17572 (movsf, movdf, doloop_end): Added.
17573
17574 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
17575
17576 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
17577 config/arm/thumb2.md: Fix comment typos.
17578 * doc/extend.texi: Fix a typo.
17579
17580 2007-01-07 Eric Christopher <echristo@apple.com>
17581
17582 * configure.ac: Check for __stack_chk_fail for darwin.
17583 * configure: Regenerate.
17584
17585 2007-01-07 Richard Guenther <rguenther@suse.de>
17586
17587 * tree-vrp.c (extract_range_from_assert): CSE calls to
17588 compare_values where possible.
17589 (extract_range_from_unary_expr): Likewise.
17590
17591 2007-01-07 Anatoly Sokolov <aesok@post.ru>
17592
17593 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
17594 * config/avr/avr.c (call_insn_operand): Delete function.
17595 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
17596 instead of register number. Use predicates.
17597 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
17598 call_insn_operand): Add.
17599
17600 2007-01-06 Jan Hubicka <jh@suse.cz>
17601
17602 * tree-pass.h (pass_build_cgraph_edges): Declare.
17603 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
17604 (visited_nodes): Remove.
17605 (cgraph_create_edges): Move to cgraphbuild.c; rename to
17606 build_cgrpah_edges; make visited_nodes local.
17607 (cgraph_process_new_functions): DO not call initialize_inline_failed.
17608 (record_references_in_initializer): Move to cgraphbuild.c
17609 (initialize_inline_failed, rebuild_cgraph_edges,
17610 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
17611 (verify_cgraph_node): Make visited_nodes local.
17612 (cgraph_analyze_function): Do not call cgraph_create_edges and
17613 initialize_inline_failed.
17614 (cgraph_expand_function): Do not call cgraph_lower_function;
17615 assert that function is already lowered.
17616 * Makefile.in (cgraphbuild.o): New.
17617 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
17618 at the end of lowering passes.
17619
17620 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
17621
17622 * ifcvt.c (cond_move_convert_if_block): New function, code
17623 factored out from...
17624 (cond_move_process_if_block): ...here. Call the new function
17625 on the THEN and ELSE blocks.
17626 (merge_if_block): Do not copy global_live_at_end, merge_blocks
17627 already takes care of this.
17628
17629 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17630
17631 PR c/19978
17632 * tree.h (TREE_OVERFLOW_P): New.
17633 * c-typeck.c (parser_build_unary_op): Warn only if result
17634 overflowed and operands did not.
17635 (parser_build_binary_op): Likewise.
17636 (convert_for_assignment): Remove redundant overflow_warning.
17637 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
17638
17639 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17640
17641 * c-typeck.c (store_init_value): Split over two lines to follow
17642 the GNU coding style.
17643
17644 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
17645
17646 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
17647 __GXX_EXPERIMENTAL_CXX0X__.
17648 * doc/cpp.texi: Same.
17649
17650 2007-01-05 Richard Guenther <rguenther@suse.de>
17651
17652 PR middle-end/27826
17653 * tree.c (get_narrower): Do not construct COMPONENT_REFs
17654 with mismatched types. Instead explicitly build a
17655 conversion NOP_EXPR.
17656
17657 2007-01-05 Ian Lance Taylor <iant@google.com>
17658
17659 * c-common.c (decl_with_nonnull_addr_p): New function.
17660 (c_common_truthvalue_conversion): Call it.
17661 * c-typeck.c (build_binary_op): Likewise.
17662 * c-common.h (decl_with_nonnull_addr_p): Declare.
17663
17664 2007-01-05 Jakub Jelinek <jakub@redhat.com>
17665
17666 PR c/30360
17667 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
17668 denom against 0.0.
17669
17670 2007-01-05 Joel Brobecker <brobecker@adacore.com>
17671
17672 * doc/install.texi (Final install): Document the fact that
17673 the GNAT runtime should not be stripped.
17674
17675 2007-01-04 Jan Hubicka <jh@suse.cz>
17676
17677 * tree-inline.c (fold_marked_statements): Update operand caches
17678 and EH after folding
17679
17680 2007-01-04 Ian Lance Taylor <iant@google.com>
17681
17682 * c-common.c (check_function_nonnull): Whitespace fix.
17683
17684 2007-01-04 Jan Hubicka <jh@suse.cz>
17685
17686 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
17687 comitted older version of patch.
17688 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
17689 function, celanup cfg and collect garbage.
17690
17691 2007-01-04 Mike Stump <mrs@apple.com>
17692
17693 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
17694 (clean): Likewise.
17695
17696 2007-01-04 Eric Christopher <echristo@apple.com>
17697
17698 * libgcc2.c (__bswapsi2): Use SItype.
17699 (__bswapdi2): Use DItype.
17700 * libgcc2.h: Update for above.
17701
17702 2007-01-04 Paul Brook <paul@codesourcery.com>
17703
17704 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
17705 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
17706 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
17707 umulsidi3, umulsidi3adddi, smulsi3_highpart,
17708 umulsi3_highpart): Make conditional on !arm_arch6.
17709 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
17710 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
17711 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
17712 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
17713 umulsi3_highpart_v6): New insns.
17714
17715 2007-01-04 Roger Sayle <roger@eyesopen.com>
17716
17717 * fold-const.c (fold_convert): When casting an expression to void,
17718 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
17719 have a type. Instead of attempting to build a NOP_EXPR, return
17720 these "special" trees directly.
17721
17722 2007-01-04 Joseph Myers <joseph@codesourcery.com>
17723
17724 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
17725 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
17726 rs6000_cost->fp not 0 as adjustment for outer NEG.
17727
17728 2007-01-04 Jan Hubicka <jh@suse.cz>
17729
17730 * cgraph.c (cgraph_release_function_body): New function.
17731 (cgraph_remove_node): Use it.
17732 * cgraph.h (cgraph_release_function_body): Declare.
17733 * cgraphunit.c (cgraph_expand_function): Use it.
17734 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
17735 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
17736 is initialized and while compilation of other function is running.
17737 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
17738 statement CFG annotations from here to ...
17739 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
17740
17741 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
17742
17743 * cfgloop.h (enum li_flags): Make the constants powers of two.
17744
17745 2007-01-04 Jan Hubicka <jh@suse.cz>
17746
17747 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
17748 set.
17749 (fold_marked_statements): New function.
17750 (optimize_inline_calls, tree_function_versioning): Fold new statements.
17751 * tree-inline.h (copy_body_data): Add statements_to_fold.
17752
17753 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
17754
17755 * config.gcc: Mention libgcc/config.host.
17756 * Makefile.in: Update comments mentioning libgcc.
17757 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
17758 (all.cross, start.encap, rest.encap, rest.cross): Update
17759 dependencies for libgcc move.
17760 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
17761 (clean-target, clean-target-libgcc): Delete.
17762 (srcdirify, GCC_EXTRA_PARTS): New macros.
17763 (libgcc-support, libgcc.mvars): New rules.
17764 (distclean): Remove mention of mklibgcc.
17765 (install): Don't reference INSTALL_LIBGCC.
17766 (install-common): Don't reference EXTRA_PARTS.
17767 (install-libgcc, install-multilib): Delete rules.
17768 * mklibgcc.in: Delete file.
17769 * doc/configfiles.texi: Don't mention mklibgcc.
17770
17771 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
17772 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
17773 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
17774 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
17775 (mklibgcc, ldblspecs): Likewise.
17776
17777 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
17778 (posixpre.def): Use $(T).
17779 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
17780 (SHLIB_SRC, SHLIB_INSTALL): Delete.
17781 (SHLIB_LINK): Make dummy.
17782 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
17783
17784 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
17785
17786 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
17787 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
17788 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
17789 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
17790
17791 * configure.ac (all_outputs): Remove mklibgcc.
17792 * configure: Regenerated.
17793
17794 2007-01-03 Josh Conner <jconner@apple.com>
17795
17796 PR middle-end/29683
17797 * calls.c (compute_argument_addresses): Set stack and stack_slot
17798 for partial args, too.
17799 (store_one_arg): Use locate.size.constant for the size when
17800 generating a save_area.
17801
17802 2007-01-03 Robert Kennedy <jimbob@google.com>
17803
17804 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
17805 whose definitions are deleted due to basic block merging.
17806
17807 2007-01-03 Paul Brook <paul@codesourcery.com>
17808
17809 PR target/16634
17810 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
17811 functions.
17812 (use_return_insn): Return 0 for Thumb interrupt functions.
17813 (print_multi_reg): Add rfe argument for IRQ returns.
17814 (arm_output_epilogue): Pop interrupt return address directly into PC.
17815 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
17816
17817 2007-01-03 Paul Brook <paul@codesourcery.com>
17818
17819 Merge from sourcerygxx-4_1.
17820 * config/arm/thumb2.md: New file.
17821 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
17822 Thumb-2.
17823 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
17824 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17825 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
17826 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
17827 tables.
17828 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17829 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
17830 comptibility.
17831 * config/arm/ieee754-sf.S: Ditto.
17832 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
17833 (thumb1_base_register_rtx_p): ... to this.
17834 (thumb_index_register_rtx_p): Rename...
17835 (thumb1_index_register_rtx_p): ... to this.
17836 (thumb_output_function_prologue): Rename...
17837 (thumb1_output_function_prologue): ... to this.
17838 (thumb_legitimate_address_p): Rename...
17839 (thumb1_legitimate_address_p): ... to this.
17840 (thumb_rtx_costs): Rename...
17841 (thumb1_rtx_costs): ... to this.
17842 (thumb_compute_save_reg_mask): Rename...
17843 (thumb1_compute_save_reg_mask): ... to this.
17844 (thumb_final_prescan_insn): Rename...
17845 (thumb1_final_prescan_insn): ... to this.
17846 (thumb_expand_epilogue): Rename...
17847 (thumb1_expand_epilogue): ... to this.
17848 (arm_unwind_emit_stm): Rename...
17849 (arm_unwind_emit_sequence): ... to this.
17850 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
17851 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
17852 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
17853 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
17854 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
17855 thumb2_output_casesi): New functions.
17856 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
17857 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
17858 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
17859 THUMB2_WORK_REGS): Define.
17860 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
17861 arm_condexec_mask, arm_condexec_masklen)): New variables.
17862 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
17863 (arm_override_options): Check new CPU capabilities.
17864 Set new architecture flag variables.
17865 (arm_isr_value): Handle v7m interrupt functions.
17866 (user_return_insn): Return 0 for v7m interrupt functions. Handle
17867 Thumb-2.
17868 (const_ok_for_arm): Handle Thumb-2 constants.
17869 (arm_gen_constant): Ditto. Use movw when available.
17870 (arm_function_ok_for_sibcall): Return false for v7m interrupt
17871 functions.
17872 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
17873 (thumb_find_work_register, arm_load_pic_register,
17874 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
17875 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
17876 print_multi_reg, output_mov_long_double_fpa_from_arm,
17877 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
17878 output_mov_double_fpa_from_arm, output_move_double,
17879 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
17880 output_return_instruction, arm_output_function_prologue,
17881 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
17882 arm_output_mi_thunk, thumb_set_return_address): Ditto.
17883 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
17884 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
17885 (arithmetic_instr, shift_op): Use arm_shift_nmem.
17886 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
17887 '!' and 'L'.
17888 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
17889 (thumb_expand_prologue): Use thumb_set_frame_pointer.
17890 (arm_file_start): Output directive for unified syntax.
17891 (arm_unwind_emit_set): Handle stack alignment instruction.
17892 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
17893 Add v6t2, v7, v7a, v7r and v7m.
17894 (RETLDM): Add Thumb-2 code.
17895 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
17896 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
17897 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
17898 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
17899 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
17900 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
17901 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
17902 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
17903 ADJUST_INSN_LENGTH): Define.
17904 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
17905 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
17906 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
17907 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
17908 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
17909 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
17910 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
17911 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
17912 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
17913 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
17914 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
17915 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
17916 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
17917 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
17918 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
17919 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
17920 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
17921 cortex-m3.
17922 * config/arm/arm-tune.md: Regenerate.
17923 * config/arm/arm-protos.h: Update prototypes.
17924 * config/arm/vfp.md: Enable patterns for Thumb-2.
17925 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
17926 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
17927 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
17928 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
17929 * config/arm/libunwind.S: Add Thumb-2 code.
17930 * config/arm/constraints.md: Update include Thumb-2.
17931 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
17932 * config/arm/ieee754-df.S: Ditto.
17933 * config/arm/bpabi.S: Ditto.
17934 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
17935 * config/arm/predicates.md (low_register_operand,
17936 low_reg_or_int_operand, thumb_16bit_operator): New.
17937 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
17938 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
17939 * config/arm/t-arm-elf: Add armv7 multilib.
17940 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
17941 Include thumb2.md.
17942 (UNSPEC_STACK_ALIGN, ce_count): New.
17943 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
17944 arm_zero_extendsidi2, arm_zero_extendqidi2): New
17945 insns/expanders.
17946 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
17947 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
17948 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
17949 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
17950 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
17951 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
17952 insns.
17953 * doc/extend.texi: Document ARMv7-M interrupt functions.
17954 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
17955
17956 2007-01-03 Jakub Jelinek <jakub@redhat.com>
17957
17958 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
17959 (struct _Unwind_Context): Rename args_size to flags, remove
17960 signal_frame field, add a new args_size field and version field.
17961 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
17962 _Unwind_IsExtendedContext): New inline functions.
17963 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17964 Assume by_value array is only present if _Unwind_IsExtendedContext.
17965 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
17966 _Unwind_IsSignalFrame.
17967 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
17968 (uw_update_context_1): Use _Unwind_SetSignalFrame.
17969 (uw_init_context_1): Initialize context->flags to
17970 EXTENDED_CONTEXT_BIT.
17971 * config/rs6000/linux-unwind.h (frob_update_context): Use
17972 _Unwind_SetSignalFrame.
17973
17974 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
17975
17976 PR middle-end/30353
17977 * gimplify.c (gimplify_modify_expr_complex_part): Move below
17978 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
17979 the value.
17980
17981 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
17982
17983 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
17984 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
17985 RET, AT_SP): Remove.
17986 * config/i386/i386.md (*sse_prologue_save_insn): Use return
17987 instead of RET.
17988
17989 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
17990 * cfgbuild.c (find_basic_blocks): Likewise.
17991 * cfgrtl.c (rtl_create_basic_block): Likewise.
17992 * function.c (temp_slots_at_level): Likewise.
17993 * reg-stack.c (stack_regs_mentioned): Likewise.
17994 * regclass.c (allocate_reg_info): Likewise.
17995 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
17996 set_bb_for_stmt, move_block_to_fn): Likewise.
17997 * tree-complex.c (tree_lower_complex): Likewise.
17998 * vec.h (VEC_safe_grow_cleared): New.
17999
18000 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
18001
18002 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
18003
18004 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
18005 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
18006 to loop_version.
18007 * cfgloopmanip.c (scale_loop_frequencies): Export.
18008 (loopify): Scale the frequencies by prescribed coefficients.
18009 (set_zero_probability): New function.
18010 (duplicate_loop_to_header_edge): Improve updating of frequencies.
18011 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
18012 and frequencies according to arguments.
18013 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
18014 correctly.
18015 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
18016 * modulo-sched.c (sms_schedule): Set probabilities for entering
18017 versioned loop correctly.
18018 * tree-vect-transform.c (vect_transform_loop): Ditto.
18019 * cfgloop.h (loopify, loop_version): Declaration changed.
18020 (scale_loop_frequencies): Declared.
18021
18022 2007-01-02 Jan Hubicka <jh@suse.cz>
18023
18024 * cgraph.c: Include tree-flow.h
18025 (cgraph_add_new-function): Handle IPA_SSA mode; execute
18026 early_local_passes.
18027 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
18028 * tree-pass.h (pass_all_early_optimizations): Declare.
18029 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
18030 early_local_passes.
18031 (cgraph_analyze_function): Do early_local_passes.
18032 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18033 Do not add referenced vars.
18034 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
18035 SSA form.
18036 (gate_all_early_local_passes): New gate.
18037 (pass_early_local_passes): Use new gate.
18038 (execute_early_local_optimizations): New functions.
18039 (gate_all_early_optimizations): New gate.
18040 (pass_all_early_optimizations): New pass.
18041 (execute_free_datastructures): Free SSA only when initialized.
18042 (gate_init_datastructures): Init only when optimizing.
18043 (tree_lowering_passes): Do early local passes when called late.
18044 * tree-profile.c (do_tree_profiling): Don't profile functions added
18045 late.
18046 (do_early_tree_profiling, pass_early_tree_profile): Kill.
18047 * tree-cfg.c (update_modified_stmts): Do not update when operands are
18048 not active.
18049 * passes.c (init_optimizations_passes): Reorder so we go into SSA
18050 during early_local_passes.
18051 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
18052
18053
18054 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18055
18056 * Makefile.in: Update copyright year.
18057
18058 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18059
18060 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
18061 in $(lang_checks) and check-consistency targets.
18062
18063 2007-01-02 Jan Hubicka <jh@suse.cz>
18064
18065 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18066 Do not add referenced vars.
18067 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
18068 are not active.
18069 * passes.c (init_optimization_passes): Put mudflap_2 after
18070 free_datastructures.
18071
18072 2007-01-02 Jan Hubicka <jh@suse.cz>
18073
18074 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
18075 Set NOTHROW flag on call statements proved to be nothrow.
18076 Update statement of local calls so new pure/const functions are
18077 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
18078 goto receivers.
18079 (tree_rest_of_compilation): Register hooks and initialize bitmap
18080 early. Do not set after_inlining flag.
18081
18082 2007-01-02 Steve Ellcey <sje@cup.hp.com>
18083
18084 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
18085 HOST_BITS_PER_LONGLONG
18086
18087 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18088
18089 PR c/19977
18090 * c-typeck.c (store_init_value): Don't emit pedantic overflow
18091 warning for non-static initializers.
18092
18093 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
18094
18095 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
18096 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
18097 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
18098 Always use set_unique_reg_note to add REG_EQUAL notes.
18099
18100 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18101
18102 Revert:
18103 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18104
18105 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18106 * cfgbuild.c (find_basic_blocks): Likewise.
18107 * cfgrtl.c (rtl_create_basic_block): Likewise.
18108 * function.c (temp_slots_at_level): Likewise.
18109 * reg-stack.c (stack_regs_mentioned): Likewise.
18110 * regclass.c (allocate_reg_info): Likewise.
18111 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18112 set_bb_for_stmt, move_block_to_fn): Likewise.
18113 * tree-complex.c (tree_lower_complex): Likewise.
18114 * vec.h (VEC_safe_grow_cleared): New.
18115
18116 2007-01-02 Ian Lance Taylor <iant@google.com>
18117
18118 * c-common.c (c_common_truthvalue_conversion): When warning about
18119 using an assignment as a truth value, set TREE_NO_WARNING.
18120
18121 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18122
18123 PR middle-end/7651
18124 * c.opt (Wold-style-declaration): New.
18125 * doc/invoke.texi (C-only Warning Options): New.
18126 (Wold-style-declaration): Document it.
18127 (Wextra): Enabled by -Wextra.
18128 * c-opts.c (c_common_post_options): Enabled by -Wextra.
18129 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
18130 -Wold-style-declaration.
18131
18132 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18133
18134 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18135 * cfgbuild.c (find_basic_blocks): Likewise.
18136 * cfgrtl.c (rtl_create_basic_block): Likewise.
18137 * function.c (temp_slots_at_level): Likewise.
18138 * reg-stack.c (stack_regs_mentioned): Likewise.
18139 * regclass.c (allocate_reg_info): Likewise.
18140 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18141 set_bb_for_stmt, move_block_to_fn): Likewise.
18142 * tree-complex.c (tree_lower_complex): Likewise.
18143 * vec.h (VEC_safe_grow_cleared): New.
18144
18145 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
18146
18147 * c-common.c (c_common_nodes_and_builtins): Since variants of
18148 void_type_node get built before it is given a name, we need to
18149 give those variants the name, too.
18150 (complete_array_type): We need to work with the canonical main
18151 type of the array, from which we will build the qualified version.
18152 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
18153 * print-tree.c (print_node): Display canonical type information
18154 for each type.
18155 * stor-layout.c (layout_type): When we don't know the
18156 alignment of a type for which we're building an array, we end up
18157 guessing wrong, so make the type require structural equality.
18158 * tree.c (make_node_stat): When we build a new type, it is its
18159 own canonical type.
18160 (build_type_attribute_qual_variant): When building an attribute
18161 variant, its canonical type is the non-attribute variant. However,
18162 if the attributes are target-dependent and they differ, we need to
18163 use structural equality checks for this type.
18164 (build_qualified_type): A qualified type is not equivalent to its
18165 unqualified variant; set the canonical type appropriately.
18166 (build_distinct_type_copy): When building a distinct type from
18167 another type, the new type is its own canonical type.
18168 (build_variant_type_copy): When building a new type variant, we
18169 assume that it is equivalent to the original type.
18170 (build_pointer_type_for_mode): When building a pointer type, also
18171 build a canonical type pointer.
18172 (build_reference_type_for_mode): When building a reference type,
18173 also build a canonical type reference.
18174 (build_index_type): When we can't hash an index type (e.g.,
18175 because its maximum value is negative), the index type requires
18176 structural equality tests.
18177 (build_array_type): Build the canonical form of an array type.
18178 (build_function_type): Function types require structural equality,
18179 because they contain default arguments, attributes, etc.
18180 (build_method_type_directly): Ditto for method types.
18181 (build_offset_type): Build the canonical offset type.
18182 (build_complex_type): Build the canonical vector type.
18183 (make_vector_type): Build the canonical vector type.
18184 * tree.h (TYPE_CANONICAL): New.
18185 (TYPE_STRUCTURAL_EQUALITY_P): New.
18186 (SET_TYPE_STRUCTURAL_EQUALITY): New.
18187 (struct tree_type): Added "canonical" field.
18188 * params.h (VERIFY_CANONICAL_TYPES): New.
18189 * doc/c-tree.texi (TYPE_CANONICAL): Document.
18190 (TYPE_STRUCTURAL_EQUALITY_P): Document.
18191 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
18192 * doc/invoke.texi (verify-canonical-types): Document --param
18193 parameter for verifying canonical types.
18194
18195 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18196
18197 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
18198 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
18199 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
18200 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
18201 tm_file.
18202 * config/rs6000/e500.h: New.
18203 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
18204 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
18205 Remove.
18206 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
18207 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
18208 TARGET_E500_DOUBLE): Remove.
18209 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
18210 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
18211 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
18212 * config/rs6000/rs6000.c (rs6000_override_options): Use
18213 CHECK_E500_OPTIONS.
18214
18215 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18216
18217 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
18218 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
18219 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
18220 rs6000_emit_cmove): Don't check TARGET_E500.
18221 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
18222 sordered): Don't check TARGET_E500.
18223
18224 2007-01-01 Eric Christopher <echristo@apple.com>
18225
18226 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
18227 HARD_REGISTER_NUM_P.
18228
18229 2007-01-01 Roger Sayle <roger@eyesopen.com>
18230
18231 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
18232 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
18233 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
18234 eq/ne Y".
18235
18236 2007-01-01 Mike Stump <mrs@apple.com>
18237
18238 * configure.ac: Remove support for building with Apple's gcc-3.1.
18239
18240 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18241
18242 PR middle-end/30311
18243 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
18244 REG is a hard register. Do not modify REG before calling
18245 subreg_nregs.
18246 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
18247 multiple of the size of YMODE for certain lowpart cases.
18248
18249 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18250
18251 PR middle-end/30253
18252 * gimplify (voidify_wrapper_expr): Update for
18253 GIMPLE_MODIFY_STMT.
18254
18255 2007-01-01 Andreas Schwab <schwab@suse.de>
18256
18257 PR target/29166
18258 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
18259 save of BR0 in extra_spill_size instead of spill_size.
18260 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
18261 area.
18262 (ia64_expand_epilogue): Restore BR0 from its new location.
18263
18264 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18265
18266 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
18267 Use a temporary variable if the left hand side is not a gimple
18268 register.
18269
18270 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18271
18272 * gimplify.c (gimplify_return_expr): Make the temporary variable
18273 for the return expression, a gimple register variable.
18274
18275 2007-01-01 Jan Hubicka <jh@suse.cz>
18276
18277 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
18278 INSN_LIST.
18279
18280 2007-01-01 Mike Stump <mrs@apple.com>
18281
18282 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
18283 .literal16.
18284 * config/darwin.c (machopic_select_rtx_section): Use
18285 HAVE_GAS_LITERAL16.
18286 (darwin_mergeable_constant_section): Likewise.
18287 * configure: Regenerate.
18288 * config.in: Regenerate.
18289
18290 2007-01-01 Jan Hubicka <jh@suse.cz>
18291 Andrew Pinski <pinskia@gmail.com>
18292
18293 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
18294 before starting IPA passes.