config.gcc (arm-wrs-vxworks): Don't include svr4.h.
[gcc.git] / gcc / ChangeLog
1 2007-07-04 Richard Sandiford <richard@codesourcery.com>
2
3 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
4 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
5 * config/arm/vxworks.h (ASM_SPEC): Delete.
6 (SUBTARGET_EXTRA_ASM_SPEC): Define.
7
8 2007-07-04 Sebastian Pop <sebpop@gmail.com>
9
10 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
11 (DDR_REVERSED_P): New.
12 * tree-data-ref.c (initialize_data_dependence_relation,
13 build_classic_dist_vector): Set DDR_REVERSED_P.
14
15 2007-07-04 Sebastian Pop <sebpop@gmail.com>
16
17 PR middle-end/32457
18 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
19 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
20 init_omega_for_ddr_1): Use non conservative number of iterations
21 estimations.
22 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
23 (analyze_siv_subscript): Remove FIXME and reinitialization of
24 last_conflicts to chrec_dont_know.
25 * testsuite/gfortran.dg/vect/pr32457.f90: New.
26
27 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
28
29 * tree.c (maybe_canonicalize_argtypes): Improve description.
30
31 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
32
33 * tree.c (maybe_canonicalize_argtypes): New.
34 (build_function_type): Set canonical type.
35 (build_method_type_directly): Ditto.
36 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
37 properly.
38
39 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
40
41 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
42 like PLUS_EXPR.
43 (rewrite_use_nonlinear_expr): Likewise.
44
45 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
46
47 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
48
49 2007-07-04 Ben Elliston <bje@au.ibm.com>
50
51 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
52 of this file.
53
54 * c-objc-common.c (c_types_compatible_p): Fix indentation.
55
56 * doc/tm.texi (Run-time Target): Capitalise "CPU".
57 (Exception Handling): Likewise.
58
59 2007-07-03 Jan Hubicka <jh@suse.cz>
60
61 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
62
63 2007-07-03 Eric Christopher <echristo@apple.com>
64
65 * doc/cppopts.texi: Add conflicting option note to -dM.
66 * doc/invoke.texi: Add note about possible conflicts with
67 -E for -dCHARS and note that -dM will not produce
68 any results if there is no machine dependent reorg.
69
70 2007-07-03 Geoffrey Keating <geoffk@apple.com>
71
72 * tree.h (DECL_ALIGN): Back out previous change.
73
74 2007-07-03 Joseph Myers <joseph@codesourcery.com>
75
76 * configure.ac: Test for .dtprelword support on MIPS.
77 * configure, config.in: Regenerate.
78 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
79 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
80
81 2007-07-03 Julian Brown <julian@codesourcery.com>
82
83 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
84 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
85 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
86 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
87 capability.
88 (all_fpus): Add FPUTYPE_VFP3.
89 (fp_model_for_fpu): Add VFPv3 field.
90 (arm_rtx_costs_1): Give cost to VFPv3 constants.
91 (vfp3_const_double_index): New function. Return integer index of
92 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
93 isn't suitable.
94 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
95 and argument represents a valid RTX for a VFPv3 constant.
96 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
97 two instructions.
98 (vfp_emit_fstmd): Similar, for fstmd.
99 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
100 constants, represented as integer indices.
101 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
102 VFP_REGNO_OK_FOR_DOUBLE macros.
103 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
104 (arm_file_start): Set float-abi attribute for VFPv3, and output
105 correct ".fpu" assembler directive.
106 (arm_dbx_register_numbering): Add FIXME.
107 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
108 (fputype): Add FPUTYPE_VFP3.
109 (FIXED_REGISTERS): Add 32 registers for D16-D31.
110 (CALL_USED_REGISTERS): Likewise.
111 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
112 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
113 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
114 (D7_VFP_REGNUM): New.
115 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
116 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
117 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
118 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
119 (REG_ALLOC_ORDER): Adjust for VFPv3.
120 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
121 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
122 VFP_LO_REGS, VFP_HI_REGS.
123 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
124 (IS_VFP_CLASS): Define macro.
125 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
126 IS_VFP_CLASS.
127 (REGISTER_MOVE_COST): Likewise.
128 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
129 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
130 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
131 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
132 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
133 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
134 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
135 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
136 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
137 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
138 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
139 where appropriate for single-word registers.
140 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
141 As above. Fix type attributes.
142 * config/arm/constraints.md (register_contraint "t"): Define.
143 (register_constraint "w"): Change to D0-D15, or D0-D31 for
144 VFPv3/NEON.
145 (register_constraint "x"): Define.
146 (constraint "Dv"): Define.
147
148 2007-07-03 Geoffrey Keating <geoffk@apple.com>
149
150 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
151
152 2007-07-03 Tom Tromey <tromey@redhat.com>
153
154 * c-parser.c (objc_pq_context): Removed.
155 (objc_need_raw_identifier): Likewise.
156 (c_parser) <objc_pq_context>: New field.
157 <objc_need_raw_identifier>: Likewise.
158 (OBJC_NEED_RAW_IDENTIFIER): Removed.
159 (c_lex_one_token): Update.
160 (c_parser_objc_protocol_definition): Update.
161 (c_parser_objc_method_definition): Update.
162 (c_parser_objc_methodproto): Update.
163 (c_parser_declspecs): Update.
164
165 2007-07-03 David Ung <davidu@mips.com>
166
167 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
168
169 2007-07-03 David Ung <davidu@mips.com>
170 Richard Sandiford <richard@codesourcery.com>
171
172 * doc/invoke.texi: Document -march=74kf3_2.
173 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
174 (TUNE_74K): Check for it.
175 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
176 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
177 * config/mips/mips.md (cpu): Add 74kf3_2.
178 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
179 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
180 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
181 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
182 74kf3_2 to the CPU list.
183 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
184 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
185 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
186 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
187 (r74kf3_2_fxfer_from_c1): New insn reservations.
188
189 2007-07-03 Richard Sandiford <richard@codesourcery.com>
190 David Ung <davidu@mips.com>
191
192 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
193 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
194 and 74k[fx]. Document aliases for the new options.
195 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
196 (PROCESSOR_24KF2_1): ...this.
197 (PROCESSOR_24KX): Rename to...
198 (PROCESSOR_24KF1_1): ...this.
199 (PROCESSOR_74KF): Rename to...
200 (PROCESSOR_74KF2_1): ...this.
201 (PROCESSOR_74KX): Rename to...
202 (PROCESSOR_74KF1_1): ...this.
203 (TUNE_74K): Update PROCESSOR_* names.
204 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
205 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
206 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
207 (mips_rtx_cost_data): Update processor names in comments.
208 (mips_issue_rate): Update PROCESSOR_* names.
209 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
210 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
211 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
212 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
213 Update cpu attribute names.
214 (r24k_fpu_iss): Rename this reservation to...
215 (r24kf2_1_fpu_iss): ...this and update all uses.
216 (r24kx_fpu_iss): Rename this reservation to...
217 (r24kf1_1_fpu_iss): ...this and update all uses.
218 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
219 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
220 Update cpu attribute names.
221
222 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
223
224 * config/m32r/constraints.md: New file.
225 * config/m32r/m32r.c: Include tm-constrs.h.
226 (small_data_operand): Use satisfies_constraint_* instead of macro.
227 (addr24_operand, gen_compare): Likewise.
228 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
229 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
230 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
231 EXTRA_CONSTRAINT): Likewise.
232 * config/m32r/m32r.md: Include constraints.md.
233 (*movsi_insn): Use satisfies_constraint_* instead of macro.
234 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
235 * config/m32r/predicates.md (conditional_move_operand): Likewise.
236 (two_insn_const_operand, int8_operand, uint16_operand,
237 reg_or_int16_operand, reg_or_uint16_operand,
238 reg_or_cmp_int16_operand, cmp_int16_operand,
239 seth_add3_operand): Likewise.
240
241 2007-07-03 Eric Christopher <echristo@gmail.com>
242
243 * libgcc2.h: Conditionally declare __bswapsi2 and
244 __bswapdi2.
245
246 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
247
248 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
249 defined.
250
251 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
252
253 PR target/28307
254 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
255 (__gthrw_pragma): Provide default definition.
256 (__gthrw2): Use it.
257 * gthr-posix.c (__gthrw_pragma): Define.
258
259 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
260
261 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
262 before declaring inequality.
263
264 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
265
266 * combine.c (recog_for_combine): Log the success or failure of
267 matching new insn patterns against the machine description in
268 detailed dumps.
269
270 2007-07-03 Revital Eres <eres@il.ibm.com>
271
272 * ddg.c (print_sccs): New function.
273 (check_sccs): New function.
274 (create_ddg_all_sccs): Use it.
275 * ddg.h (print_sccs): Declare.
276 * modulo-sched.c (sms_order_nodes): Call print_sccs.
277
278 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
279
280 * targhooks.h (default_mode_for_suffix): New function declaration.
281 * targhooks.c (default_mode_for_suffix): New default target hook.
282 * target.h (struct c): New structure in the targetm struct.
283 (mode_for_suffix): New target hook as part of struct c.
284 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
285 default_mode_for_suffix.
286 (TARGET_C): New define.
287 * c-lex.c: Include "target.h".
288 (interpret_float): Use targetm.c.mode_for_suffix to determine
289 the mode for a given non-standard suffix.
290 Makefile.in (c-lex.o): Depend on $(TARGET_H).
291
292 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
293 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
294
295 * doc/extend.texi (Floating Types): New node. Document __float80 and
296 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
297
298 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
299
300 PR target/32506
301 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
302 predicate instead of target_operand.
303 (divsi3_i1_media, divsi3_media_2): Likewise.
304
305 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
306
307 * tree.h (alias_sets_might_conflict_p): Rename into
308 alias_sets_must_conflict_p.
309 * alias.c (alias_sets_might_conflict_p): Likewise.
310 (alias_sets_conflict_p): Use it.
311 (objects_must_conflict_p): Likewise.
312 * c-common.c (strict_aliasing_warning): Adjust.
313
314 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
315
316 * rtlhooks.c (gen_lowpart_if_possible): Check for
317 invalid subreg before calling gen_lowpart_SUBREG.
318
319 2007-07-02 Geoffrey Keating <geoffk@apple.com>
320
321 * config/darwin9.h: Add copyright notice.
322 (LINK_COMMAND_SPEC): Add comment.
323 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
324 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
325 DARWIN_LIBSYSTEM_HAS_UNWIND.
326
327 2007-07-02 Jakub Jelinek <jakub@redhat.com>
328
329 PR libgomp/32468
330 * omp-low.c (check_combined_parallel): New function.
331 (lower_omp_parallel): Call it via walk_stmts, set
332 OMP_PARALLEL_COMBINED if appropriate.
333 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
334 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
335 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
336 don't consider it as combined parallel.
337
338 2007-07-02 Richard Sandiford <richard@codesourcery.com>
339
340 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
341 (gcc_tooldir): Likewise.
342 * configure: Regenerate.
343 * Makefile.in (libsubdir_to_prefix): New variable, based on the
344 old configure.ac gcc_tooldir setting.
345 (prefix_to_exec_prefix): New variable.
346 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
347 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
348
349 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
350
351 Fix PR tree-optimization/32583
352 Fix PR tree-optimization/32584
353 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
354 (phi_translate_set): Use phi_translate directly now.
355 (make_values_for_stmt): Don't value number RHS if we already know
356 it is constant.
357
358 2007-07-02 Steve Ellcey <sje@cup.hp.com>
359 Jim Wilson <wilson@specifix.com>
360
361 PR target/31684
362 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
363 copy_insn.
364
365 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
366 Richard Sandiford <richard@codesourcery.com>
367 Nigel Stephens <nigel@mips.com>
368
369 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
370 (mips16e_output_save_restore): Declare.
371 (mips16e_save_restore_pattern_p): Likewise.
372 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
373 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
374 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
375 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
376 (BITSET_P): New global macro, extracted from...
377 (mips_for_each_saved_reg): ...here.
378 (mips16e_save_restore_info): New struct.
379 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
380 (mips16e_save_restore_regs): New variable.
381 (mips_split_plus, mips16e_find_first_register): New functions.
382 (mips16e_mask_registers): New function.
383 (compute_frame_size): Expand the commentary before the function.
384 Enforce the MIPS16e save and restore register range restrictions.
385 Pad the general register save area at the low end.
386 (mips16e_save_restore_reg, mips16e_build_save_restore)
387 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
388 (mips16e_output_save_restore, mips16e_collect_propagate_value)
389 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
390 New functions.
391 (mips_expand_prologue, mips_expand_epilogue): Handle
392 GENERATE_MIPS16E_SAVE_RESTORE.
393 * config/mips/mips.md (*mips16e_save_restore): New pattern.
394
395 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
396
397 PR tree-optimization/31966
398 PR tree-optimization/32533
399 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
400 "basic_block" description as its third argument. Update function
401 calls to get destination bb from "edge" argument. Save "cond" into
402 aux field of the edge. Update prototype for changed arguments.
403 (if_convertible_loop_p): Clear aux field of incoming edges if bb
404 contains phi node.
405 (find_phi_replacement_condition): Operate on incoming edges, not
406 on predecessor blocks. If there is a condition saved in the
407 incoming edge aux field, AND it with incoming bb predicate.
408 Return source bb of the first edge.
409 (clean_predicate_lists): Clean aux field of outgoing node edges.
410 (tree_if_conversion): Do not initialize cond variable. Move
411 variable declaration into the loop.
412 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
413 initializations of new_stmt, arg0 and arg1 variables.
414
415 2007-07-02 Jakub Jelinek <jakub@redhat.com>
416
417 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
418 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
419
420 2007-07-02 Richard Guenther <rguenther@suse.de>
421
422 * tree-ssa.c (useless_type_conversion_p): Document
423 future intent as defining the middle-end type system.
424 Re-structure to call langhook last, group by type class,
425 mark questionable parts.
426
427 2007-07-02 Richard Guenther <rguenther@suse.de>
428
429 * tree-flow.h (types_compatible_p): Declare.
430 * tree-ssa.c (types_compatible_p): New function.
431 * ipa-type-escape.c (discover_unique_type): Use
432 types_compatible_p instead of lang_hooks.types_compatible_p.
433 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
434 * tree-vn.c (expressions_equal_p): Likewise.
435 * tree.c (fields_compatible_p): Likewise.
436 * tree-ssa-dom.c (avail_expr_eq): Likewise.
437 (cprop_operand): Use useless_type_conversion_p instead of
438 lang_hooks.types_compatible_p.
439 * tree-inline.c (setup_one_parameter): Likewise.
440 (declare_return_variable): Likewise.
441 * tree-nrv.c (tree_nrv): Likewise.
442 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
443 (maybe_fold_offset_to_component_ref): Likewise.
444 (maybe_fold_offset_to_reference): Likewise.
445 * tree-ssa-copy.c (may_propagate_copy): Likewise.
446 (merge_alias_info): Likewise.
447 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
448 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
449 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
450 * tree-tailcall.c (find_tail_calls): Likewise.
451 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
452 * gimplify.c (canonicalize_addr_expr): Likewise.
453 (fold_indirect_ref_rhs): Likewise.
454 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
455 (cpt_same_type): Likewise.
456 (check_pointer_types_r): Swap parameters to cpt_same_type
457 where appropriate.
458 * fold-const.c (fold_convert): Revert fix for PR15988.
459 * tree-inline.c (setup_one_parameter): Instead fix it here by
460 using fold_build1 instead of fold_convert and checking for
461 error_mark_node. Convert only if the conversion is necessary.
462
463 2007-07-02 Joseph Myers <joseph@codesourcery.com>
464
465 * configure.ac: Check for .gnu_attribute on Power.
466 * configure: Regenerate.
467 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
468 attribute for floating-point ABI.
469
470 2007-07-02 Ira Rosen <irar@il.ibm.com>
471
472 PR tree-optimization/32230
473 PR tree-optimization/32477
474 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
475 address is a constant.
476
477 2007-07-02 Richard Sandiford <richard@codesourcery.com>
478
479 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
480 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
481 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
482 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
483 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
484 64-bit targets. Add support for *-elfoabi*.
485 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
486 different settings if $(tm_defines) does not select the EABI.
487 (MULTILIB_EXCLUSIONS): Define in those circumstances.
488 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
489 (MIPS_ARCH_OPTION_SPEC): Likewise.
490 (MIPS_ISA_LEVEL_SPEC): Likewise.
491 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
492 * config/mips/elfoabi.h: New file.
493
494 2007-07-02 Richard Guenther <rguenther@suse.de>
495
496 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
497 (useless_type_conversion_p): ... this.
498 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
499 (useless_type_conversion_p): ... this.
500 * builtins.c (fold_builtin_memory_op): Rename
501 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
502 * tree-cfg.c (verify_expr): Likewise.
503 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
504 * tree-ssa-ccp.c (ccp_fold): Likewise.
505 * tree-ssa-copy.c (may_propagate_copy): Likewise.
506 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
507 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
508 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
509 * tree-ssa-pre.c (eliminate): Likewise.
510 * tree-ssa.c (delete_tree_ssa): Likewise.
511 (tree_ssa_useless_type_conversion): Likewise.
512 * tree.c (build2_stat): Likewise.
513
514 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
515
516 Fix PR tree-optimization/32571
517 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
518 simplifying them.
519
520 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
521
522 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
523 and other expected operations explicitly, change default to
524 gcc_unreachable.
525
526 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
527
528 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
529 PARALLEL.
530 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
531 (tls_load_dot_plus_eight): Move the label number into the unspec.
532 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
533
534 2007-07-01 Andreas Schwab <schwab@suse.de>
535
536 * dwarf2out.c (initial_return_save): Define only if used.
537
538 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
539
540 Unreverting Richard's Revert of:
541
542 2007-06-27 Richard Sandiford <richard@codesourcery.com>
543
544 * dce.c (deletable_insn_p_1): New function, split out from...
545 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
546 specially, not those inside PARALLELs. Remove BODY argument
547 and adjust recursive call accordingly.
548 (prescan_insns_for_dce): Update call to delete_insn_p.
549
550 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
551 Revital Eres <eres@il.ibm.com>
552
553 * ddg.c (create_ddg_all_sccs): Fix missed
554 initialization of scc_nodes.
555
556 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
557
558 PR middle-end/32559
559 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
560 X + ~X to 1 only for INTEGRAL_TYPE_P type.
561
562 2007-06-30 Joseph Myers <joseph@codesourcery.com>
563
564 * configure.ac: Check for .gnu_attribute on MIPS.
565 * configure, config.in: Regenerate.
566 * config/mips/mips.c (mips_file_start): If supported, output
567 attribute for floating-point ABI.
568
569 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
570
571 PR target/32433
572 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
573 (ffs_cmove): New expander to expand using ctz pattern.
574 (*ffs_cmove): Remove pattern.
575 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
576 (ffsdi2): Expand using ctz pattern.
577 (*ffs_rex64): Remove pattern.
578
579 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
580
581 PR rtl-optimization/32296
582 * pa.md (return): Delete pattern.
583 (return_internal): Remove "(const_int 1)" from pattern.
584 (epilogue): Use return_internal pattern for trivial returns.
585 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
586 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
587
588 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
589
590 * tree-ssa-pre.c (is_exception_related): New function
591 (can_value_number_operation): Use it.
592
593 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
594
595 Fix PR tree-optimization/32540
596 Fix PR tree-optimization/31651
597
598 * tree-ssa-sccvn.c: New file.
599
600 * tree-ssa-sccvn.h: Ditto.
601
602 * tree-vn.c: Include tree-ssa-sccvn.h
603 (val_expr_paid_d): Removed.
604 (value_table): Ditto.
605 (vn_compute): Ditto.
606 (val_expr_pair_hash): Ditto.
607 (val_expr_pair_expr_eq): Ditto.
608 (copy_vuses_from_stmt): Ditto.
609 (vn_delete): Ditto.
610 (vn_init): Ditto.
611 (shared_vuses_from_stmt): Ditto.
612 (print_creation_to_file): Moved up.
613 (sort_vuses): Ditto.
614 (sort_vuses_heap): Ditto.
615 (set_value_handle): Make non-static.
616 (make_value_handle): Ditto.
617 (vn_add): Rewritten to use sccvn lookups.
618 (vn_add_with_vuses): Ditto.
619 (vn_lookup): Ditto (and second argument removed).
620 (vn_lookup_with_vuses): Ditto.
621 (vn_lookup_or_add): Ditto (and second argument removed);
622 (vn_lookup_or_add_with_vuses): Ditto.
623 (vn_lookup_with_stmt): New.
624 (vn_lookup_or_add_with_stmt): Ditto.
625 (create_value_handle_for_expr): Ditto.
626
627 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
628 (seen_during_translate): New function.
629 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
630 (phi_trans_add): Ditto.
631 (constant_expr_p): FIELD_DECL is always constant.
632 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
633 Use constant_expr_p.
634 Avoid infinite recursion on mutually valued expressions.
635 Change callers of vn_lookup_or_add.
636 (phi_translate): New function.
637 (compute_antic_safe): Allow phi nodes.
638 (create_component_ref_by_pieces): Update for FIELD_DECL change.
639 (find_or_generate_expression): Rewrite slightly.
640 (create_expression_by_pieces): Updated for vn_lookup_or_add
641 change.
642 Update VN_INFO for new names.
643 (insert_into_preds_of_block): Update for new names.
644 (add_to_exp_gen): New function.
645 (add_to_sets): Use vn_lookup_or_add_with_stmt.
646 (find_existing_value_expr): Rewrite to changed vn_lookup.
647 (create_value_expr_from): Ditto, and use add_to_exp_gen.
648 (try_look_through_load): Removed.
649 (try_combine_conversion): Ditto.
650 (get_sccvn_value): New function.
651 (make_values_for_phi): Ditto.
652 (make_values_for_stmt): Ditto.
653 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
654 SCCVN.
655 (init_pre): Update for SCCVN changes.
656 (fini_pre): Ditto.
657 (execute_pre): Ditto.
658
659 * tree-flow.h (make_value_handle): Declare.
660 (set_value_handle): Ditto.
661 (sort_vuses_heap): Ditto.
662 (vn_lookup_or_add_with_stmt): Ditto.
663 (vn_lookup_with_stmt): Ditto.
664 (vn_compute): Remove.
665 (vn_init): Ditto.
666 (vn_delete): Ditto.
667 (vn_lookup): Update arguments.
668
669 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
670 (tree-vn.o): Ditto.
671 (tree-ssa-sccvn.o): New.
672 (OBJS-common): Add tree-ssa-sccvn.o
673
674 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
675
676 PR c/4076
677 * c-typeck.c (build_external_ref): Don't mark as used if called
678 from itself.
679 * calls.c (rtx_for_function_call): Likewise.
680
681 2007-06-30 Richard Sandiford <richard@codesourcery.com>
682
683 Revert:
684
685 2007-06-27 Richard Sandiford <richard@codesourcery.com>
686
687 * dce.c (deletable_insn_p_1): New function, split out from...
688 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
689 specially, not those inside PARALLELs. Remove BODY argument
690 and adjust recursive call accordingly.
691 (prescan_insns_for_dce): Update call to delete_insn_p.
692
693 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
694
695 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
696 (try_combine): Move potential calls to undo_all() so they happen
697 before we commit to using the combined insns.
698
699 2006-06-30 Jan Hubicka <jh@suse.cz>
700
701 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
702 code.
703
704 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
705
706 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
707 (cgraph_remove_unreachable_nodes): Likewise.
708 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
709 * ipa-inline.c (update_caller_keys): Cast according to the coding
710 conventions.
711 (cgraph_decide_recursive_inlining): Likewise.
712 (cgraph_decide_inlining_of_small_function): Likewise.
713 (try_inline): Likewise.
714 (cgraph_decide_inlining_incrementally): Likewise.
715 * ipa-pure-const.c (get_function_state): Likewise.
716 (scan_function): Likewise.
717 (analyze_function): Likewise.
718 (static_execute): Likewise.
719 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
720 (merge_callee_local_info): Likewise.
721 (analyze_function): Use type safe memory macros.
722 (static_execute): Likewise. Cast according to the coding conventions.
723 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
724 conventions.
725 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
726 names.
727 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
728 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
729 variable names.
730
731 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
732
733 PR middle-end/30024
734 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
735 for complex modes (both int and real).
736
737 2007-06-29 Jan Hubicka <jh@suse.cz>
738
739 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
740
741 2007-06-29 Jan Hubicka <jh@suse.cz>
742
743 PR middle-end/32372
744 * cse.c (cse_insn): Avoid invalid sharing in between register note and
745 the insn pattern.
746
747 2007-06-29 Anatoly Sokolov <aesok@post.ru>
748
749 PR target/32335
750 * config/avr/avr.c: Include dataflow header file.
751 (expand_prologue): Adjust for prologue insn change.
752 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
753 inside a insn.
754
755 2007-06-29 Richard Guenther <rguenther@suse.de>
756
757 PR middle-end/32493
758 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
759 during type verification.
760
761 2007-06-29 Jan Hubicka <jh@suse.cz>
762
763 * recog.c (validate_change_rtx_1): Unshare TO argument.
764
765 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
766
767 PR tree-optimization/24659
768 * tree-vect-transform.c (vectorizable_call): Handle
769 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
770
771 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
772 * config/i386/i386.c (enum ix86_builtins)
773 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
774 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
775 description.
776 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
777 const using def_builtin_const.
778 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
779 input operands in the same modes as the result.
780 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
781
782 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
783
784 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
785 (df_set_dead_notes_for_mw): Likewise.
786
787 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
788
789 * c-common.c (pointer_int_sum): Do the negation in sizetype.
790
791 2007-06-28 DJ Delorie <dj@redhat.com>
792
793 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
794
795 2007-06-28 Geoffrey Keating <geoffk@apple.com>
796
797 * doc/invoke.texi (C++ Dialect Options): Document
798 fvisibility-ms-compat.
799 * c.opt (fvisibility-ms-compat): New.
800
801 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
802
803 PR tree-opt/32417
804 * tree-affine.c (aff_combination_add_elt): Handle
805 pointer addition specially.
806
807 2007-06-28 Jakub Jelinek <jakub@redhat.com>
808
809 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
810 decl is non-external for AIX ABI.
811
812 2007-06-28 David Edelsohn <edelsohn@gnu.org>
813
814 * config/rs6000/predicates.md (current_file_function_operand):
815 Ensure the symbol is non-external for AIX ABI.
816
817 2007-06-28 Nick Clifton <nickc@redhat.com>
818
819 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
820 (fdce, fdse, fpredictive-commoning): Likewise.
821
822 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
823
824 PR other/31400
825 * gcc.c (process_command): Recognize the new -static-libgfortran
826 option.
827
828 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
829
830 PR target/32418
831 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
832 Use a call clobbered hard reg instead of a pseudo reg.
833
834 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
835
836 * config/sh/sh.md (load_gbr): Use correct operand constraint.
837
838 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
839
840 PR target/32479
841 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
842 REG_LIBCALL and REG_RETVAL notes.
843 (divsi3, mulsi3): Likewise.
844 (mulhisi3): Likewise. Use emit_libcall_block.
845 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
846
847 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
848
849 PR rtl-optimization/32481
850 * combine.c (adjust_for_new_dest): Rescan the changed insn.
851
852 2007-06-27 Richard Sandiford <richard@codesourcery.com>
853
854 * dce.c (deletable_insn_p_1): New function, split out from...
855 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
856 specially, not those inside PARALLELs. Remove BODY argument
857 and adjust recursive call accordingly.
858 (prescan_insns_for_dce): Update call to delete_insn_p.
859
860 2007-06-27 Richard Guenther <rguenther@suse.de>
861
862 PR middle-end/32492
863 * tree.h (fold_convertible_p): Declare.
864 * fold-const.c (fold_convertible_p): New function.
865 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
866 instead of lang_hooks.types_compatible_p.
867
868 2007-06-26 Jan Hubicka <jh@suse.cz>
869
870 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
871 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
872 early use validate_unshare_change.
873 (reload_combine): Likewise.
874 * recog.c (change_t): New field unshare.
875 (validate_change_1): Rename from validate_change; add argument unshare.
876 (validate_change): Turn into wrapper of validate_change_1; update
877 prototype for bools.
878 (validate_unshare_change): New.
879 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
880 calls of df_insn_rescan.
881 * recog.h (validate_change): Replace ints by bools.
882 (validate_unshare_change): Declare.
883
884 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
885
886 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
887
888 2007-06-26 Steve Ellcey <sje@cup.hp.com>
889
890 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
891
892 2007-06-25 Jan Hubicka <jh@suse.cz>
893
894 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
895 uninlinable call.
896 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
897 cgraph_decide_inlining_incrementally): Move uninlinability checks to
898 places other call site specific checks are performed.
899
900 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
901
902 PR tree-opt/32421
903 * tree-vect-transform.c (vectorizable_operation): Convert
904 POINTER_PLUS_EXPR over to PLUS_EXPR.
905
906 2007-06-25 Chao-ying Fu <fu@mips.com>
907
908 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
909 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
910 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
911 Document GET_MODE_IBIT, and GET_MODE_FBIT.
912
913 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
914 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
915 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
916 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
917 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
918 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
919 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
920 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
921 ALL_FIXED_POINT_MODE_P): New define.
922 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
923 MODE_UACCUM.
924 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
925
926 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
927 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
928 MODE_VECTOR_UACCUM): New mode classes.
929
930 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
931 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
932 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
933 USA, UDA, and UTA.
934
935 * genmodes.c (struct mode_data): Add ibit and fbit fields.
936 (blank_mode): Initialize ibit and fbit.
937 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
938 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
939 (new_adjust): Change required_class to required_class_from and
940 required_class_to for testing within a range.
941 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
942 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
943 MODE_VECTOR_UACCUM.
944 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
945 (make_fixed_point_mode): New.
946 (_ADD_ADJUST): Change C to C1 and C2.
947 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
948 use a range for machine classes.
949 (ADJUST_IBIT, ADJUST_FBIT): New.
950 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
951 CONST_MODE_FBIT.
952 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
953 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
954 Emit adjustment for ibit and fbit.
955 (emit_mode_ibit, emit_mode_fbit): New.
956 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
957
958 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
959
960 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
961 as the source of the set.
962
963 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
964
965 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
966 FP_REGNO_P): Use IN_RANGE.
967 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
968 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
969 (DATA_REG_P): Use DATA_REGNO_P.
970 (FP_REG_P): Use FP_REGNO_P.
971 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
972 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
973 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
974
975 2007-06-24 Jan Hubicka <jh@suse.cz>
976
977 PR middle-end/30563
978 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
979
980 2007-06-24 Sebastian Pop <sebpop@gmail.com>
981
982 PR middle-end/32461
983 * fold-const.c (fold_binary): Strip nops of operand 0
984 of BIT_NOT_EXPR before calling operand_equal_p.
985 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
986 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
987
988 2007-06-23 Mark Mitchell <mark@codesourcery.com>
989
990 * doc/extend.texi: Document that dllimport and dllexport imply
991 default visibility.
992 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
993 imported or exported declaration, including type declarations.
994 * c-common.c (handle_visibility_attribute): Check for conflicts
995 with dllimport/dllexport.
996 (c_determine_visibility): Handle dllimport/dllexport as an
997 explicit visibility atttribute.
998
999 2007-06-23 Richard Guenther <rguenther@suse.de>
1000
1001 PR tree-optimization/16876
1002 PR middle-end/29478
1003 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1004 for CALL_EXPRs.
1005 * tree-inline.c (initialize_inlined_parameters): Do not call
1006 lang_hooks.tree_inlining.convert_parm_for_inlining.
1007 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1008 reason for mismatched types.
1009 * gimplify.c (gimplify_call_expr): Verify the call expression
1010 arguments match the called function type signature. Otherwise
1011 mark the call expression to be not considered for inlining
1012 using CALL_CANNOT_INLINE_P flag.
1013 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1014 edges call expression.
1015 (cgraph_decide_inlining_of_small_function): Likewise.
1016 (cgraph_decide_inlining): Likewise.
1017 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1018 Remove define.
1019 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1020 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1021 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1022 Remove declaration.
1023 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1024 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1025 Remove.
1026 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1027 convert_parm_for_inlining member.
1028
1029 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1030
1031 PR target/31152
1032 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1033 Remove optimization for GT.
1034
1035 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1036
1037 PR middle-end/32437
1038 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1039 is a PARALLEL.
1040 (prescan_insns_for_dce): Add extra parameter.
1041
1042 2007-06-23 Jan Hubicka <jh@suse.cz>
1043
1044 PR middle-end/31541
1045 * gimplify.c (mark_addressable): New function.
1046 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1047
1048 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1049
1050 PR middle-end/32374
1051 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1052
1053 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1054
1055 PR target/32413
1056 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1057 moves between MMX/SSE registers to at least 8 units to prevent
1058 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1059
1060 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1061
1062 * config/i386/i386.c (override_options): Correct x86_sahf
1063 setting condition.
1064
1065 2007-06-21 David Daney <ddaney@avtrex.com>
1066
1067 PR target/32406
1068 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1069 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1070 (exception_receiver): Renamed to ...
1071 (nonlocal_goto_receiver): ... this.
1072
1073 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1074
1075 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1076 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1077 partial register accesses.
1078
1079 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1080
1081 * fold-const.c (debug_fold_checksum): Move it under
1082 ENABLE_FOLD_CHECKING.
1083
1084 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1085
1086 PR middle-end/20623
1087 * tree.h (debug_fold_checksum): Declared.
1088 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1089 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1090 build_fold_addr_expr_with_type_1.
1091 (fold_addr_expr, debug_fold_checksum): New.
1092 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1093 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1094 Use fold_addr_expr.
1095
1096 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1097
1098 PR tree-optimization/19590
1099 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1100 of scev is a constant.
1101 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1102
1103 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1104
1105 * df-problems.c (df_note_bb_compute): Made computation of live
1106 info consistent with df_lr.
1107
1108 2007-06-21 Richard Guenther <rguenther@suse.de>
1109
1110 PR tree-optimization/32453
1111 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1112 for pointer anti-range.
1113
1114 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1115
1116 * config/i386/i386.c (processor_target_table): Increase maximum
1117 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1118 default 64bit.
1119
1120 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1121 byte alignment if > 8 byte alignment is preferred.
1122 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1123
1124 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1125
1126 PR tree-optimization/31866
1127 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1128 if ASM_EXPR's input is not a SSA_NAME.
1129
1130 PR middle-end/32362
1131 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1132 but decl is a global var, instead return decl.
1133 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1134 even for is_global_var decls, if they are private in some outer
1135 context.
1136
1137 2007-06-21 Richard Guenther <rguenther@suse.de>
1138
1139 PR tree-optimization/32451
1140 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1141
1142 2007-06-21 Christian Bruel <christian.bruel@st.com>
1143
1144 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1145 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1146 (push_regs): Changed saving order or banked registers.
1147 (sh_expand_epilogue): Likewise.
1148 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1149 (FIRST_BANKED_REG): Likewise.
1150 (LAST_BANKED_REG): Likewise.
1151 * config/sh/sh.md (banked) New attribute.
1152 (in_delay_slot): Check banked attribute.
1153
1154 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1155
1156 PR tree-optimization/32075
1157 * tree-data-ref.c (subscript_dependence_tester_1,
1158 analyze_miv_subscript, analyze_overlapping_iterations,
1159 add_distance_for_zero_overlaps, build_classic_dist_vector,
1160 subscript_dependence_tester_1, analyze_overlapping_iterations,
1161 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1162 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1163 to evolution_function_is_affine_multivariate_p.
1164
1165 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1166
1167 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1168
1169 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1170
1171 PR target/32335
1172 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1173 for TARGET_A16.
1174 * config/m32c/prologue.md (epilogue_exitd_16): New.
1175 (epilogue_reit_16): New.
1176 (epilogue_exitd): Rename to epilogue_exitd_24.
1177 (epilogue_reit): Rename to epilogue_reit_24.
1178
1179 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1180 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1181
1182 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1183 New counters.
1184 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1185 if dbg_cnt (sched_insn) reaches the limit.
1186 (choose_ready): New parameter INSN_PTR and new return value.
1187 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1188 the new return value from choose_ready.
1189 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1190 (rest_of_handle_global_alloc): New global_alloc_at_func.
1191
1192 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1193
1194 PR tree-optimization/25737
1195 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1196 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1197 * tree-flow.h (struct fieldoff): Add new field alias_set.
1198 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1199 argument addressable_type. Set alias_set of fieldoff.
1200 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1201 (create_overlap_variables_for): Pass alias_set from fieldoff to
1202 create_sft.
1203 * alias.c (get_alias_set): Use alias_set from SFT if set.
1204
1205 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1206
1207 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1208 of a variable as an unsigned HOST_WIDE_INT integer.
1209
1210 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1211
1212 PR rtl-optimization/32405
1213 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1214
1215 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1216
1217 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1218
1219 PR middle-end/31959
1220 * builtins.c: Include diagnostic.h.
1221 (expand_builtin_expect): Make gcc_assert more permissive.
1222 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1223
1224 PR inline-asm/32109
1225 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1226 and !allows_mem.
1227
1228 PR middle-end/32285
1229 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1230 if ACCUMULATE_OUTGOING_ARGS.
1231
1232 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1233
1234 * config/m68hc11/m68hc11.c: Include dataflow header file.
1235 (m68hc11_reorg): Port to dataflow.
1236
1237 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1238
1239 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
1240 (struct df_problem.free_blocks_on_set_blocks): New field.
1241 (struct dataflow.optional_p): New field.
1242 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1243 (df_live_set_all_dirty): New function.
1244 * df-scan.c (df_scan_alloc): Initialize optional_p.
1245 (problem_SCAN): Initialize free_blocks_on_set_blocks.
1246 * df-core.c (df_set_blocks): Removed use of
1247 DF_FIRST_OPTIONAL_PROBLEM. Now uses
1248 df_problem.free_blocks_on_set_blocks to determine which blocks are
1249 recycled.
1250 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
1251 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
1252 uses dataflow.optional_p to determine if problem should be
1253 deleted.
1254 (rest_of_handle_df_initialize): Only start live problem if
1255 -02 or above.
1256 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1257 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
1258 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
1259 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
1260 problem_NOTE): Initialize free_blocks_on_set_blocks.
1261 (df_lr_bb_local_compute): Recompute luids if df_live problem is
1262 not active.
1263 (df_live_set_all_dirty, df_note_alloc): New function.
1264 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
1265 df_get_live_*.
1266 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
1267 * postreload.c (reload_combine): Ditto.
1268 * cse.c (cse_extended_basic_block): Ditto.
1269 * regmove.c (mark_flags_life_zones): Ditto.
1270 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
1271 erase_matching_seqs): Ditto.
1272 * bt-load.c (compute_defs_uses_and_gen): Ditto.
1273 * integrate (allocate_initial_values): Ditto.
1274 * combine.c (reg_dead_at_p): Ditto.
1275 * resource.c (mark_target_live_regs): Ditto.
1276 * sched-rgn.c (check_live_1, update_live_1): Ditto.
1277 * config/sh/sh.c (find_r0_life_regions): Ditto.
1278 * global.c (rest_of_handle_global_alloc): Only add back df_live
1279 for -O > 1.
1280 * local-alloc.c (rest_of_handle_local_alloc): Only remove
1281 df_live for -O > 1.
1282 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
1283 df_get_live_*.
1284 (if_convert): Make sure df_live is there at -O == 1.
1285 (pass_if_after_combine): Cleanup flags.
1286 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
1287 is there at -O == 1.
1288
1289 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
1290
1291 * config/arm/arm.c (arm_get_frame_offsets): Set
1292 offsets->locals_base to avoid negative stack size.
1293 (thumb1_expand_prologue): Assert on negative stack size.
1294
1295 2007-04-19 Sebastian Pop <sebpop@gmail.com>
1296
1297 PR tree-optimization/32367
1298 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
1299 of the chrec has no evolution in that loop.
1300 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
1301
1302 2007-06-19 Bob Wilson <bob.wilson@acm.org>
1303
1304 * config/xtensa/xtensa.c: Include "df.h".
1305 (xtensa_builtin_saveregs): Use adjust_address instead of change_address.
1306 (xtensa_va_start): Invoke make_tree with sizetype for
1307 expand_builtin_saveregs and then convert the result to a pointer.
1308 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
1309 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
1310 Subtract argument size from index value as integers and then use
1311 POINTER_PLUS_EXPR to add the result to the array address.
1312
1313 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1314
1315 PR target/32335
1316 * config/m32c/m32c.c: Include dataflow header file.
1317 (m32c_emit_prologue): Adjust for prologue insn change.
1318 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
1319 once inside a PARALLEL. Assume frame size passed in operand 0
1320 includes space to save the fb register.
1321 (prologue_enter_24): Likewise.
1322 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
1323
1324 2007-06-19 David Daney <ddaney@avtrex.com
1325
1326 PR target/32313
1327 * config/mips/mips.md (cprestore): Mark $gp as used.
1328
1329 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1330
1331 PR target/32369
1332 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
1333 (frv_ifcvt_modify_insn): Likewise.
1334
1335 2007-06-19 Richard Guenther <rguenther@suse.de>
1336
1337 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
1338 only handle positive offsets that fit in a HOST_WIDE_INT.
1339
1340 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
1341
1342 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
1343 result of rsqrt insn for zero input argument to avoid NaN.
1344
1345 2007-06-19 Richard Guenther <rguenther@suse.de>
1346
1347 PR middle-end/31950
1348 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
1349
1350 2007-06-19 Jakub Jelinek <jakub@redhat.com>
1351
1352 PR tree-optimization/32353
1353 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
1354
1355 2007-06-19 Nick Clifton <nickc@redhat.com>
1356
1357 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
1358
1359 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1360
1361 PR target/32389
1362 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
1363 * config/i386/i386.c (assign_386_stack_local): Assert that
1364 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
1365 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
1366 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
1367 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
1368
1369 2007-06-18 Steve Ellcey <sje@cup.hp.com>
1370
1371 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
1372
1373 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
1374
1375 PR rtl-optimization/32321
1376 * gcse.c (replace_store_insn): Update the note before
1377 calling emit_insn_after.
1378
1379 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1380
1381 PR middle-end/32355
1382 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
1383 cse_main.
1384 * df-problems.c (df_note_bb_compute): Fix dumping info.
1385
1386 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
1387
1388 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
1389 insn with emit_jump_insn.
1390
1391 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1392
1393 PR tree-optimization/32383
1394 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
1395 * targhooks.h (default_builtin_reciprocal): Update prototype.
1396 * target.h (struct gcc_target): Update builtin_reciprocal.
1397 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
1398 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
1399 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
1400 when fndecl is in BUILT_IN_MD class.
1401 (execute_convert_to_rsqrt): Ditto.
1402
1403 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
1404 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
1405 Convert BUILT_IN_SQRTF code only when md_fn is false.
1406
1407 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
1408
1409 * bt-load.c (move_btr_def): Fix the order of arguments
1410 to validate_replace_rtx.
1411
1412 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
1413
1414 * config/m68k/m68k-devices.def: Add 54450..54455.
1415
1416 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
1417
1418 PR rtl-optimization/32366
1419 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
1420 FLOAT_EXTEND]: Prevent non-scalar modes from entering
1421 significand_size.
1422
1423 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
1424
1425 PR middle-end/32349
1426 * modulo-sched (generate_reg_moves): Added rescan parameter and if
1427 this is true, rescan insn being modified.
1428 (sms_schedule): Added rescan parameter.
1429 (rest_of_handle_sms): Moved freeing of dominance info to before
1430 getting out of cfg_layout.
1431
1432 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
1433
1434 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
1435 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
1436 appropriate.
1437
1438 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
1439 FL_CF_EMAC from the entry for isac.
1440
1441 * config/m68k/predicates.md (const_call_operand): Adjust comment.
1442 (const_sibcall_operand): New.
1443 (sibcall_operand): Use it.
1444 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
1445 (m68k_isas): ISAC does not imply FPU or EMAC.
1446 (override_options): Add ISA_C logic for symbolic jump & call.
1447
1448 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1449
1450 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
1451 return mode from the builtin itself.
1452 (sparc_fold_builtin): Fix cast of zero constant.
1453
1454 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1455
1456 * targhooks.c (default_builtin_reciprocal): New default target hook.
1457 * targhooks.h (default_builtin_reciprocal): Add prototype.
1458 * hooks.c (hook_tree_tree_bool_null): Remove hook.
1459 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
1460 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
1461 default_builtin_reciprocal.
1462
1463 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1464
1465 PR middle-end/31723
1466 * hooks.c (hook_tree_tree_bool_null): New hook.
1467 * hooks.h (hook_tree_tree_bool_null): Add prototype.
1468 * tree-pass.h (pass_convert_to_rsqrt): Declare.
1469 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
1470 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
1471 and convert it to reciprocal a*rfunc(b).
1472 (execute_convert_to_rsqrt): New function.
1473 (gate_convert_to_rsqrt): New function.
1474 (pass_convert_to_rsqrt): New pass definition.
1475 * target.h (struct gcc_target): Add builtin_reciprocal.
1476 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
1477 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
1478 TARGET_BUILTIN_RECIPROCAL.
1479 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
1480
1481 * config/i386/i386.h (TARGET_RECIP): New define.
1482 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
1483 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1484 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1485 and not optimizing for size.
1486 (*rcpsf2_sse): New insn pattern.
1487 (*rsqrtsf2_sse): Ditto.
1488 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
1489 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1490 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1491 and not optimizing for size.
1492 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
1493 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1494 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1495 and not optimizing for size.
1496 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
1497 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1498 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1499 and not optimizing for size.
1500 (*sse_rsqrtv4sf2): Do not export.
1501 (sqrtv4sf2): Ditto.
1502 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
1503 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1504 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1505 and not optimizing for size.
1506 (sqrtv4sf2): Ditto.
1507 * config/i386/i386.opt (mrecip): New option.
1508 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
1509 (ix86_emit_swsqrtsf): Ditto.
1510 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
1511 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
1512 builtin definition.
1513 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
1514 ix86_expand_unop1_builtin.
1515 (ix86_emit_swdivsf): New function.
1516 (ix86_emit_swsqrtsf): Ditto.
1517 (ix86_builtin_reciprocal): New function.
1518 (TARGET_BUILTIN_RECIPROCAL): Use it.
1519 (ix86_vectorize_builtin_conversion): Rename from
1520 ix86_builtin_conversion.
1521 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
1522 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
1523 "i386 and x86_64 Options" section.
1524 (Intel 386 and AMD x86_64 Options): Document -mrecip.
1525
1526 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1527 Zdenek Dvorak <dvorakz@suse.cz>
1528 Richard Guenther <rguenther@suse.de>
1529 Kaz Kojima <kkojima@gcc.gnu.org>
1530
1531 * tree-vrp.c (compare_values_warnv): Convert val2 to
1532 the type of val1.
1533 (extract_range_from_assert): Create
1534 POINTER_PLUS_EXPR for pointer types.
1535 (extract_range_from_binary_expr): Handle
1536 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
1537 for pointer types.
1538 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
1539 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
1540 POINTER_PLUS_EXPR as PLUS_EXPR.
1541 (number_of_iterations_lt_to_ne):
1542 For pointer types, use sizetype when
1543 creating MINUS_EXPR/PLUS_EXPRs.
1544 (assert_loop_rolls_lt): For pointer types, use sizetype when
1545 creating MINUS_EXPR/PLUS_EXPRs.
1546 (number_of_iterations_le): Likewise.
1547 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
1548 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
1549 like PLUS_EXPR and MINUS_EXPR.
1550 * tree-pretty-print.c (dump_generic_node): Handle
1551 POINTER_PLUS_EXPR.
1552 (op_prio): Likewise.
1553 (op_symbol_1): Likewise.
1554 * optabs.c (optab_for_tree_code): Likewise.
1555 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
1556 specially.
1557 * tree-tailcall.c (process_assignment): Mention
1558 POINTER_PLUS_EXPR in a TODO comment.
1559 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
1560 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
1561 not used with a pointer and an integer type.
1562 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
1563 increment using chrec_convert_rhs instead of chrec_convert.
1564 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
1565 PLUS_EXPR except for the right hand side's type will be
1566 sizetype.
1567 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
1568 (fold_used_pointer_cast): Kill.
1569 (pointer_offset_p): Kill.
1570 (fold_used_pointer): Kill.
1571 (pointer_used_p): Kill.
1572 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
1573 call fold_used_pointer.
1574 (instantiate_parameters_1): Convert the increment
1575 using chrec_convert_rhs instead of chrec_convert.
1576 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
1577 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
1578 instead of PLUS_EXPR.
1579 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
1580 PLUS_EXPR for pointers.
1581 (std_gimplify_va_arg_expr): Likewise.
1582 (fold_builtin_memory_op): Likewise.
1583 (fold_builtin_strstr): Likewise.
1584 (fold_builtin_strchr): Likewise.
1585 (fold_builtin_strrchr): Likewise.
1586 (fold_builtin_strpbrk): Likewise.
1587 (expand_builtin_memory_chk): Likewise.
1588 (fold_builtin_memory_chk): Likewise.
1589 (std_expand_builtin_va_start): Use
1590 sizetype for the call to make_tree and then convert
1591 to the pointer type.
1592 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
1593 instead of PLUS_EXPR for adding to a pointer.
1594 (std_gimplify_va_arg_expr): Use fold_build2 for
1595 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
1596 the operands to sizetype first and then cast the BIT_AND_EXPR
1597 back to the pointer type.
1598 * fold-const.c (build_range_check): Handle pointer types
1599 specially.
1600 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
1601 of PLUS_EXPR's. Make sure the offset is converted to
1602 sizetype.
1603 (try_move_mult_to_index): Strip the NOPs from the offset.
1604 Remove code argument and replace all uses with PLUS_EXPR.
1605 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
1606 specially. Don't use a pointer type for MINUS_EXPR.
1607 (fold_unary): Handle for (T1)(X op Y),
1608 only p+ as that is the only as that can be handled for
1609 binary operators now.
1610 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
1611 POINTER_PLUS_EXPR.
1612 <case PLUS_EXPR>: Add folding of PTR+INT into
1613 PTR p+ INT.
1614 Don't call try_move_mult_to_index.
1615 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
1616 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
1617 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
1618 Don't call try_move_mult_to_index.
1619 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
1620 (tree_expr_nonzero_p): Likewise.
1621 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
1622 of PLUS_EXPR for the complex expression folding.
1623 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
1624 first chrec is a pointer type, then the second should
1625 be sizetype and not the first's type.
1626 For POINTER_PLUS_EXPR, use a different right hand side type.
1627 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1628 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
1629 different right hand side type.
1630 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1631 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
1632 instead of PLUS_EXPR.
1633 When either operand is zero, convert the other operand.
1634 (chrec_apply): Use chrec_convert_rhs
1635 on the argument x instead of chrec_convert.
1636 (reset_evolution_in_loop): For pointer types, the new_evol
1637 should be sizetype.
1638 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
1639 different right hand side type.
1640 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1641 (chrec_convert_rhs): New function.
1642 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
1643 different right hand side type.
1644 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1645 * tree-chrec.h (chrec_convert_rhs): New prototype.
1646 (build_polynomial_chrec): For pointer types, the right hand
1647 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
1648 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
1649 Remove subtraction case as it is always addition now.
1650 Make sure the offset is converted to sizetype.
1651 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
1652 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
1653 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
1654 PLUS_EXPR in pointer type.
1655 Handle POINTER_PLUS_EXPR.
1656 (tree_to_aff_combination): Likewise.
1657 (force_expr_to_var_cost): Likewise.
1658 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
1659 instead of PLUS_EXPR for pointers.
1660 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
1661 instead of PLUS_EXPR of pointer types.
1662 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
1663 as PLUS_EXPR.
1664 (check_va_list_escapes): Likewise.
1665 (check_all_va_list_escapes): Likewise.
1666 * dwarf2out.c (loc_descriptor_from_tree_1):
1667 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
1668 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
1669 (string_constant): Likewise.
1670 * tree-ssa-address.c (tree_mem_ref_addr): When adding
1671 the offset to the base, use POINTER_PLUS_EXPR.
1672 (add_to_parts): Convert the index to sizetype.
1673 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
1674 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
1675 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
1676 Offset only holds something for PLUS_EXPR.
1677 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
1678 a PLUS_EXPR.
1679 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
1680 and not PLUS_EXPR.
1681 (analyze_accesses_for_modify_stmt): Likewise.
1682 Remove comment about the type being integral type as it is
1683 wrong now.
1684 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
1685 PLUS_EXPR.
1686 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
1687 and not PLUS_EXPR.
1688 Correct the type which the artimentic is done in (is now
1689 sizetype).
1690 Reindent one loop.
1691 * tree-data-ref.c (split_constant_offset): Handle
1692 POINTER_PLUS_EXPR
1693 * tree-affine.c (tree_to_aff_combination): Likewise.
1694 * c-typeck.c (build_unary_op): For pointers create the increment
1695 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
1696 for pointers.
1697 * gimplify.c (gimplify_self_mod_expr): Create a
1698 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1699 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
1700 * tree.def (POINTER_PLUS_EXPR): New tree code.
1701 * tree-predcom.c (ref_at_iteration): If we have a pointer
1702 type do the multiplication in sizetype.
1703 * tree-mudflap.c (mf_xform_derefs_1): Create a
1704 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1705 * tree-ssa-forwprop.c
1706 (forward_propagate_addr_into_variable_array_index):
1707 Don't expect there to be a cast for the index as that
1708 does not exist anymore.
1709 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
1710 instead of PLUS_EXPR.
1711 Don't check for the first operand of the POINTER_PLUS_EXPR
1712 was the index as it cannot be.
1713 Call forward_propagate_addr_into_variable_array_index with
1714 the SSA_NAME instead of the statement.
1715 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
1716 (compare_constant): Likewise.
1717 (copy_constant): Likewise.
1718 (compute_reloc_for_constant): Likewise.
1719 (output_addressed_constants): Likewise.
1720 (initializer_constant_valid_p): Likewise.
1721 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
1722 Convert the MIN/MAX of the inner type to the outer
1723 type before comparing them.
1724 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
1725 POINTER_PLUS_EXPR instead of PLUS_EXPR.
1726 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
1727 of PLUS_EXPR for pointers.
1728 * tree-inline.c (estimate_num_insns_1): Handle
1729 POINTER_PLUS_EXPR.
1730 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1731 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1732 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
1733 instead of PLUS_EXPR for the pointer increment statement.
1734 (vect_update_ivs_after_vectorizer): For pointer types, create
1735 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
1736 MULT_EXPR in sizetype.
1737 (vect_gen_niters_for_prolog_loop): Add a cast when creating
1738 byte_misalign.
1739 * tree-object-size.c (plus_expr_object_size): Handle
1740 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
1741 code which is trying to figure out which side is a pointer and
1742 is the index.
1743 (check_for_plus_in_loops_1): Likewise.
1744 (check_for_plus_in_loops): Likewise.
1745 * c-common.c (pointer_int_sum): Create a
1746 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1747 * tree-ssa-structalias.c (handle_ptr_arith): Handle
1748 only POINTER_PLUS_EXPR. Removing all the extra
1749 code which is trying to figure out which side is a pointer and
1750 is the index.
1751 * tree-cfg.c (verify_expr): Add extra checking for pointers and
1752 PLUS_EXPR and MINUS_EXPR.
1753 Also add checking to make sure the operands of POINTER_PLUS_EXPR
1754 are correct.
1755 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
1756 with make_tree, instead of a pointer type.
1757 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
1758 for pointers instead of PLUS_EXPR.
1759 (s390_gimplify_va_arg): Likewise.
1760 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
1761 instead of PLUS_EXPR when doing addition on pointer
1762 types. Use sizetype for the second operand.
1763 (spu_gimplify_va_arg_expr): Likewise.
1764 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
1765 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
1766 a pointer. Don't create a BIT_AND_EXPR for pointer types.
1767 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
1768 for the pointer addition and also use size_int/sizetype
1769 for the offset.
1770 (ix86_gimplify_va_arg): Likewise.
1771 Perform BIT_AND_EXPR on sizetype arguments.
1772 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
1773 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
1774 for the pointer additions and also use size_int for the offsets.
1775 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
1776 additions and also use size_int for the offsets. Perform
1777 BIT_AND_EXPR on sizetype arguments.
1778 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
1779 POINTER_PLUS_EXPR for pointers and create the
1780 BIT_AND_EXPR in sizetype.
1781 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
1782 instead of PLUS_EXPR for pointer addition.
1783 (rs6000_va_start): Likewise.
1784 Also use sizetype for the offset.
1785 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
1786 as PLUS_EXPR/MINUS_EXPR.
1787 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
1788 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
1789 Don't use BIT_AND_EXPR on a pointer type, convert the
1790 expression to sizetype first.
1791 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
1792 for pointers.
1793 (mips_gimplify_va_arg_expr): Likewise.
1794 Don't create BIT_AND_EXPR in a pointer type.
1795
1796 2007-06-15 Eric Christopher <echristo@apple.com>
1797
1798 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
1799 (x86_64-*-darwin*): Ditto.
1800 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
1801 for above.
1802
1803 2007-06-15 Matthew Wilcox <matthew@wil.cx>
1804
1805 * doc/extend.texi: Document behavior of __attribute__((aligned))
1806 on typedefs.
1807
1808 2007-06-15 Mark Mitchell <mark@codesourcery.com>
1809
1810 * rtlanal.c (note_stores): Improve documentation.
1811
1812 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
1813
1814 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
1815 LOCAL_LABEL_PREFIX): Delete.
1816 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
1817 (bfin_internal_label): Delete.
1818
1819 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
1820
1821 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
1822 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
1823 otherwise define to LIBGCC2_TF_CEXT.
1824 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
1825 (LIBGCC_TF_CEXT): Ditto.
1826 (TF_SIZE): Ditto.
1827
1828 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
1829
1830 PR rtl-optimization/32339
1831 * df-scan.c (df_uses_record): Don't modify flags but just add to
1832 it for df_ref_record.
1833
1834 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
1835
1836 * tree-mudflap.c: Fix whitespace issues.
1837
1838 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
1839
1840 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
1841
1842 2007-06-14 Eric Christopher <echristo@apple.com>
1843
1844 * config/i386/sse.md (movdi_to_sse): Rewrite body.
1845 (movv4sf): Use gcc_unreachable instead of abort.
1846
1847 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1848
1849 PR target/32268
1850 * config/i386/sfp-machine.h (CMPtype): New define.
1851 (mach stubs): Use CMPtype instead of int as a return type.
1852
1853 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1854
1855 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
1856 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
1857 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
1858 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
1859 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
1860 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
1861 config/soft-fp/soft-fp.h: Update from glibc CVS.
1862
1863 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
1864
1865 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
1866
1867 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
1868
1869 PR target/32341
1870 * config/v850/v850.c: Include dataflow header file.
1871 (substitute_ep_register): Fix typo.
1872
1873 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1874
1875 * configure.ac: Fix earlier checkin.
1876 * configure: Regenerated.
1877
1878 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1879
1880 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
1881 * aclocal.m4: Regenerate.
1882 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
1883 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
1884 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
1885 * configure: Regenerate.
1886 * Makefile.in (LOOSE_WARN): Subst loose_warn.
1887
1888 * Makefile.in (quickstrap): Build libgcc too.
1889
1890 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1891
1892 * configure.ac: Add --enable-checking=df. Explicitly mention that
1893 the variables are initialized as for "release".
1894 * df-core.c: Use it.
1895 * configure: Regenerate.
1896 * config.in: Regenerate.
1897
1898 2007-06-14 Bob Wilson <bob.wilson@acm.org>
1899
1900 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
1901 validate_replace_rtx instead of replace_rtx.
1902 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
1903
1904 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
1905
1906 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
1907 (DWARF2_UNWIND_INFO): Override default if configured with
1908 SJLJ EH disabled.
1909 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
1910 (ENDFILE_SPEC): Add crtend.o.
1911 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
1912 (ENDFILE_SPEC): Add crtend.o.
1913 (TARGET_USE_JCR_SECTION): Define.
1914 (MD_UNWIND_SUPPORT): Define for 32-bit target.
1915
1916 * config/i386/cygming-crtbegin.c: New file.
1917 * config/i386/cygming-crtend.c: New file.
1918
1919 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
1920
1921 * config/i386/w32-unwind.h: New file.
1922
1923 2007-06-13 Eric Christopher <echristo@apple.com>
1924
1925 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
1926 the user set a value below STACK_BOUNDARY.
1927
1928 2007-06-13 Thiemo Seufer <ths@networkno.de>
1929
1930 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
1931 imply -lpthread for -pthread.
1932
1933 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
1934
1935 * basic-block.h: Remove the prototype for
1936 free_basic_block_vars.
1937 * cfglayout.h: Remove the prototype for
1938 insn_locators_initialize.
1939 * tree.h: Remove the prototype for emit_line_note.
1940
1941 * tree-ssa-pre.c (mergephitemp): Remove.
1942 (init_pre): Don't use mergephitemp.
1943
1944 2007-06-13 Eric Christopher <echristo@apple.com>
1945
1946 * config/i386/i386.c (override_options): If we've specified
1947 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
1948
1949 2007-06-13 Bob Wilson <bob.wilson@acm.org>
1950
1951 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
1952 is defined.
1953
1954 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
1955
1956 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
1957 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
1958 (eh_store_handler): New pattern.
1959 (eh_return): Emit it instead of a plain move.
1960
1961 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
1962
1963 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
1964 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
1965 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
1966 def_builtin_const.
1967
1968 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
1969
1970 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
1971 (find_next_insn_start, find_load): New functions.
1972 (bfin_reorg): Use them to deal with the fact that parallel insns are
1973 no longer represented as a SEQUENCE.
1974
1975 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1976
1977 * config/sparc/sparc.c (sparc_override_options): Initialize
1978 fpu mask correctly.
1979
1980 2007-06-13 Dave Korn <dave.korn@artimi.com>
1981
1982 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
1983 df_get_live_out.
1984
1985 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
1986
1987 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
1988 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
1989 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
1990 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
1991 tree-vect-transform.c: Fix comment typos. Follow spelling
1992 conventions.
1993
1994 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
1995
1996 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
1997 to the exit block use set.
1998 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
1999 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2000 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2001
2002 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2003
2004 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2005 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2006 to indicate an error.
2007 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters): New functions
2008 (dbg_cnt_process_opt): Print an error on a bad argument.
2009 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2010 * common.opt (-fdbg-cnt-list): New.
2011 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2012
2013 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2014
2015 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2016 flag on ref-all pointers.
2017
2018 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2019
2020 PR middle-end/31579
2021 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2022 for the offset with the modifier as EXPAND_INITIALIZER
2023 if the modifier is EXPAND_INITIALIZER.
2024 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2025 a register if we had an overflow.
2026
2027 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2028
2029 * real.c (real_isfinite): New.
2030 (real_sqrt): Use it.
2031 * real.h (real_isfinite): New.
2032 * builtins.c: Use it.
2033
2034 2007-06-12 Ian Lance Taylor <iant@google.com>
2035 Daniel Berlin <dberlin@dberlin.org>
2036
2037 PR libstdc++/29286
2038 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2039 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2040 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2041 (DECL_NO_TBAA_P): Define.
2042 (struct tree_decl_common): Add no_tbaa_flag field.
2043 * tree-ssa-structalias.c (struct variable_info): Add
2044 no_tbaa_pruning field.
2045 (new_var_info): Initialize no_tbaa_pruning field.
2046 (unify_nodes): Copy no_tbaa_pruning field.
2047 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2048 (dump_solution_for_var): Print no_tbaa_pruning flag.
2049 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2050 callers.
2051 (compute_tbaa_pruning): New static function.
2052 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2053 Call compute_tbaa_pruning.
2054 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2055 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2056 * gimple-low.c (lower_stmt): Likewise.
2057 * tree-gimple.c (is_gimple_stmt): Likewise.
2058 * tree-ssa-operands.c (get_expr_operands): Likewise.
2059 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2060 * tree-inline.c (estimate_num_insns_1): Likewise.
2061 (copy_result_decl_to_var): Likewise.
2062 * expr.c (expand_expr_real_1): Likewise.
2063 * tree-pretty-print.c (dump_generic_node): Likewise.
2064 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2065 * omp-low.c (omp_copy_decl_2): Likewise.
2066 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2067 * doc/c-tree.texi (Expression trees): Document
2068 CHANGE_DYNAMIC_TYPE_EXPR.
2069
2070 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2071
2072 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2073 with !HONOR_NANS and !HONOR_INFINITIES.
2074 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2075
2076 2007-06-12 Tristan Gingold <gingold@adacore.com>
2077
2078 * gcov.c: Comments updated.
2079 (source_info): Add file_time field.
2080 (source_index): New variable.
2081 (mutiple_files): New variable.
2082 (generate_results): New function extracted from process_file.
2083 (process_file): Save and restore chain of functions, generate
2084 results and free structures only if not merging results.
2085 (release_structures): File names are now freed in create_file_names
2086 (create_file_names): Free previous file names.
2087 (find_source): File date is now read here and modifications in
2088 source files is checked here.
2089 (read_graph_file): Only reverse order of functions for the current
2090 object file.
2091 (make_gcov_file_name): Do not generate long names if input_name is
2092 NULL.
2093 (output_lines): If merging results do not display graph, data and
2094 runs informations.
2095 Checking source file modification is done in find_source.
2096
2097 * doc/gcov.texi: Append an s to sourcefile.
2098
2099 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2100
2101 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2102 (forced_nop): New pattern.
2103 * config/bfin/bfin.c: Include "df.h".
2104 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2105 (bfin_discover_loop): Use df_get_live_in instead of
2106 global_live_at_start.
2107 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2108 df_analyze when done.
2109 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2110 the insns. Use QImode for the final insn in a bundle. Call
2111 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2112 gen_nop.
2113 (reorder_var_tracking_notes): New function.
2114 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2115 update_life_info. Call df_analyze after scheduling and bundle
2116 generation. Call reorder_var_tracking_notes if generating these notes.
2117 Call df_finish_pass at the end.
2118
2119 2007-06-12 Dirk Mueller <dmueller@suse.de>
2120
2121 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2122 a comparison, not an assignment.
2123
2124 2007-06-12 Olivier Hainque <hainque@adacore.com>
2125
2126 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2127 Request walking the subtrees only, leaving the current is_lhs/val_only
2128 untouched.
2129 (convert_non_local_reference): Likewise.
2130
2131 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2132
2133 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2134
2135 2007-06-12 Richard Guenther <rguenther@suse.de>
2136
2137 PR tree-optimization/15353
2138 PR tree-optimization/31657
2139 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2140 * timevar.def: Add TV_TREE_IFCOMBINE.
2141 * tree-pass.h (pass_tree_ifcombine): Declare.
2142 * tree-ssa-ifcombine.c: New file.
2143 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2144 * tree-flow.h (blocks_in_phiopt_order): Declare.
2145 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2146 (tree-ssa-ifcombine.o): New dependencies.
2147
2148 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2149
2150 PR rtl-optimization/32293
2151 * combine.c (simplify_if_then_else): Truncate return from
2152 nonzero_bits() to correct mode.
2153
2154 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2155
2156 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2157 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2158
2159 2007-06-11 Diego Novillo <dnovillo@google.com>
2160
2161 * Makefile.in (reload1.o-warn): Remove.
2162
2163 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2164
2165 * combine.c (subst): Use reg_overlap_mentioned_p
2166 instead of comparing register numbers directly.
2167
2168 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2169
2170 * reload1.c (mark_home_live_1): Use the mode parameter.
2171
2172 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2173
2174 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2175 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2176 word "deferred".
2177 * df-core.c: Ditto.
2178
2179 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2180
2181 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2182
2183 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2184
2185 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2186 from integer registers.
2187 (FP mode splitters): Handle TFmode.
2188
2189 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2190
2191 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2192 for ref-all pointers that point-to anything.
2193
2194 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2195
2196 * config/arm/arm.c (arm_output_dwarf_dtprel,
2197 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2198
2199 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2200
2201 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2202 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2203 to memory moves.
2204
2205 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2206
2207 * gcc/tree.c (signed_or_unsigned_type_for): New.
2208 (unsigned_type_for): Use signed_or_unsigned_type_for.
2209 (signed_type_for): Use signed_or_unsigned_type_for.
2210 * gcc/tree.h (signed_or_unsigned_type_for): New.
2211 (get_signed_or_unsigned_type): Remove.
2212 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2213 lang_hooks.types.signed_type
2214 (size_diffop): Likewise.
2215 (all_ones_mask_p): Likewise.
2216 (build_range_check): Likewise.
2217 (fold_cond_expr_with_comparison): Likewise.
2218 (fold_cond_expr_with_comparison): Likewise.
2219 (unextend): Likewise.
2220 (extract_muldiv_1): Likewise.
2221 (fold_single_bit_test_into_sign_test): Likewise.
2222 (fold_binary): Likewise.
2223 (fold_ternary): Likewise.
2224 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2225 instead of get_signed_or_unsigned_type.
2226 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2227 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2228 * gcc/expr.c (signed_or_unsigned_type_for): Use
2229 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2230 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2231 (lhd_signed_or_unsigned_type): Remove.
2232 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
2233 signed_or_unsigned_type.
2234 (lhd_signed_or_unsigned_type): Remove.
2235 * gcc/expmed.c (make_tree): Use signed_type_for instead of
2236 lang_hooks.types.signed_type.
2237 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
2238 c_common_signed_type instead of lang_hooks.types.signed_type.
2239 (c_common_unsigned_type): New.
2240 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
2241 (shorten_compare): Use c_common_unsigned_type instead of
2242 c_common_signed_or_unsigned_type.
2243 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
2244 unsigned_type_for.
2245 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
2246 lang_hooks.types.signed_type.
2247 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2248 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
2249 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
2250 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
2251 instead of unsigned_type_for.
2252 * gcc/c-decl.c (groakdeclarator): Likewise.
2253 * gcc/c-typeck.c (convert_for_assignment): Likewise.
2254 * gcc/c-common.h (c_common_unsigned_type): New.
2255
2256 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2257
2258 PR target/32280
2259 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
2260 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
2261
2262 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2263
2264 PR middle-end/32279
2265 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
2266 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
2267
2268 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
2269 Sebastian Pop <sebpop@gmail.com>
2270
2271 * lambda-code.c (remove_iv): New.
2272 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
2273
2274 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
2275
2276 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
2277 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
2278 * tree-ssa-loop-prefetch.c: Include optabs.h.
2279 (FENCE_FOLLOWING_MOVNT): New macro.
2280 (struct mem_ref): Add independent_p and storent_p fields.
2281 (record_ref): Initalize the new fields.
2282 (gather_memory_references_ref): Return true if the reference
2283 could be analysed.
2284 (gather_memory_references): Check whether all memory accesses
2285 in loop were recorded.
2286 (should_issue_prefetch_p): Return false for nontemporal stores.
2287 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
2288 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
2289 (determine_loop_nest_reuse): Detect independent memory references.
2290 (loop_prefetch_arrays): Call mark_nontemporal_stores.
2291 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
2292 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
2293 * config/i386/i386.h (x86_mfence): Declare.
2294 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
2295 * config/i386/i386.c (x86_mfence): New variable.
2296 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
2297
2298 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
2299 * optabs.c (init_optabs): Initialize storent_optab.
2300 * optabs.h (enum optab_index): Add OTI_storent.
2301 (storent_optab): Declare.
2302 * genopinit.c (optabs): Add initialization for storent_optab.
2303 * tree.h (MOVE_NONTEMPORAL): New macro.
2304 * expr.c (expand_assignment, store_expr, store_constructor_field,
2305 store_constructor, store_field, expand_expr_real_1): Propagate
2306 nontemporality of the expanded store.
2307 (emit_storent_insn): New function.
2308 * expr.h (expand_assignment, store_expr): Declaration changed.
2309 * function.c (assign_parm_setup_reg): Pass false as nontemporality
2310 to expand_assignment.
2311 * stmt.c (expand_asm_expr): Ditto.
2312 * calls.c (initialize_argument_information): Pass false as
2313 nontemporality to store_expr.
2314 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
2315 storentsi): New.
2316
2317 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2318
2319 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
2320 parameter, use it.
2321 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
2322
2323 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2324
2325 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
2326 and allow DECL_P here.
2327
2328 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
2329
2330 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
2331 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
2332 track of the size of the expression.
2333 * cfghooks.c (merge_blocks): Remove block from loops structure only
2334 after call of the merge_blocks hook.
2335
2336 2007-06-09 Tom Tromey <tromey@redhat.com>
2337
2338 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
2339 (deprecated_state): Removed.
2340 (start_decl): Update.
2341 (enum deprecated_states): Moved earlier.
2342 (groktypename): Update.
2343 (push_parm_decl): Likewise.
2344 (grokfield): Likewise.
2345 (start_function): Likewise.
2346
2347 2007-06-09 Ian Lance Taylor <iant@google.com>
2348
2349 PR tree-optimization/32169
2350 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
2351 CONVERT_EXPR, check whether min and max both converted to an
2352 overflow infinity representation.
2353
2354 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
2355
2356 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
2357 not inserted on the edge.
2358
2359 2007-06-08 Bob Wilson <bob.wilson@acm.org>
2360
2361 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
2362 instructions if they are supported.
2363 (__divsi3, __umodsi3, __modsi3): Likewise.
2364 (__ashldi3, __ashrdi3, __lshrdi3): New.
2365 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
2366
2367 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
2368 Tony Linthicum <tony.linthicum@amd.com>
2369
2370 * doc/extend.texi: Add fvect-cost-model flag.
2371 * common.opt (fvect-cost-model): New flag.
2372 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
2373 cost fields in stmt_vec_info struct for STMT.
2374 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
2375 fields in stmt_vec_info struct and access functions for the same.
2376 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
2377 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
2378 load, store and vector to scalar operation.
2379 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
2380 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
2381 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
2382 (TARG_VEC_STORE_COST): Define cost of vector store.
2383 (vect_estimate_min_profitable_iters): Define new function.
2384 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
2385 check to evaluate if loop iterations are less than minimum profitable
2386 iterations determined by cost model or minimum vect loop bound defined
2387 by user, whichever is more conservative.
2388 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
2389 run-time check to evaluate if loop iterations are less than minimum
2390 profitable iterations determined by cost model or minimum vect loop
2391 bound defined by user, whichever is more conservative.
2392 (vect_estimate_min_profitable_iterations): New function to estimate
2393 mimimimum iterartions required for vector version of loop to be
2394 profitable over scalar version.
2395 (vect_model_reduction_cost): New function.
2396 (vect_model_induction_cost): New function.
2397 (vect_model_simple_cost): New function.
2398 (vect_cost_strided_group_size): New function.
2399 (vect_model_store_cost): New function.
2400 (vect_model_load_cost): New function.
2401 (vectorizable_reduction): Call vect_model_reduction_cost during
2402 analysis phase.
2403 (vectorizable_induction): Call vect_model_induction_cost during
2404 analysis phase.
2405 (vectorizable_load): Call vect_model_load_cost during analysis phase.
2406 (vectorizable_store): Call vect_model_store_cost during analysis phase.
2407 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
2408 vectorizable_promotion, vectorizable_demotion): Call
2409 vect_model_simple_cost during analysis phase.
2410
2411 2007-06-08 Simon Baldwin <simonb@google.com>
2412
2413 * reg-stack.c (get_true_reg): Readability change. Moved default case
2414 label into direct switch statement scope.
2415
2416 2007-06-08 Simon Baldwin <simonb@google.com>
2417
2418 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
2419 in gcc_assert() with '==' comparison.
2420
2421 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2422
2423 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
2424 TARGET_ABM handling of x86_popcnt variable.
2425
2426 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2427
2428 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
2429 __builtin_copysignq and __builtin_infq built-in functions.
2430
2431 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2432
2433 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
2434 SSE4.2 section. Correct built-in function names in SSE4A section.
2435
2436 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2437
2438 PR tree-optimization/32243
2439 * tree-vect-transform.c (vectorizable_type_promotion): Move check
2440 for ncopies after ratio check between nunits_out and nunits_in.
2441 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
2442
2443 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
2444
2445 PR tree-optimization/32224
2446 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
2447 vectorization upon a non GIMPLE_MODIFY_STMT.
2448
2449 2007-06-08 Christian Bruel <christian.bruel@st.com>
2450
2451 PR target/29953
2452 * config/sh/sh.md (doloop_end): New pattern and splitter.
2453 * loop-iv.c (simple_rhs_p): Check for hardware registers.
2454
2455 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
2456
2457 PR middle-end/32209
2458 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
2459 functions.
2460 (verify_dominators): Do not change dominance tree.
2461
2462 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
2463
2464 * config/sh/constraints.md: New file.
2465 * config/sh/sh.c: Include tm-constrs.h.
2466 (reg_class_from_letter): Remove.
2467 (prepare_cbranch_operands): Use satisfies_constraint_*
2468 function instead of macro.
2469 (andcosts, broken_move, sh_secondary_reload): Likewise.
2470 * config/sh/predicates.md (trapping_target_operand): Likewise.
2471 (and_operand, arith_operand, arith_reg_or_0_operand,
2472 cmp_operand, logical_operand, target_operand,
2473 ua_address_operand, ua_offset, xor_operand): Likewise.
2474 * config/sh/sh.md: Include constraints.md.
2475 (*movsicc_t_false): Use satisfies_constraint_* function
2476 instead of macro.
2477 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
2478 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
2479 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
2480 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
2481 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
2482 (REG_CLASS_FROM_CONSTRAINT): Remove.
2483 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
2484 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
2485 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
2486 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
2487 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
2488 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
2489 function instead of macro.
2490 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2491 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
2492 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
2493 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
2494 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
2495 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
2496 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
2497 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
2498 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
2499 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
2500 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
2501 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
2502 EXTRA_CONSTRAINT_STR): Likewise.
2503 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
2504
2505 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2506
2507 * config/i386/darwin.h (STACK_BOUNDARY): Define.
2508
2509 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
2510
2511 PR c++/30759
2512 * c-common.h (flag_cpp0x): Replaced by...
2513 (cxx_dialect): ... this new variable specifying the C++ dialect that
2514 is used.
2515 * c-common.c (flag_cpp0x): Removed.
2516 (cxx_dialect): Defined.
2517 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
2518 cxx_dialect.
2519 * c-opts.c (c_common_post_options): Likewise.
2520 (set_std_cxx98): Set cxx_dialect to cxx98.
2521 (set_std_cxx0x): Set cxx_dialect to cxx0x.
2522
2523 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2524 Hui-May Chang <hm.chang@apple.com>
2525
2526 * doc/invoke.texi (Darwin Options): Update documentation for
2527 -mmacosx-version-min.
2528 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
2529 * config/darwin-driver.c: New file.
2530 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
2531 * config/t-darwin (darwin-driver.o): New rule.
2532
2533 * config/darwin-c.c (version_as_macro): Ignore low digit.
2534
2535 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
2536
2537 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
2538 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
2539 (CSGNMODE): New mode macro.
2540 (CSGNVMODE): New mode attribute.
2541 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
2542 expander using CSGNMODE mode macro. Handle TFmode.
2543 (copysign<mode>3_const): Rename from copysignsf3_const and
2544 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
2545 Handle TFmode.
2546 (copysign<mode>3_var): Rename from copysignsf3_var and
2547 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
2548 Handle TFmode.
2549 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
2550 mode macro. Handle TFmode.
2551 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
2552 (iortf3, *iortf3): Ditto.
2553 (xortf3, *xortf3): Ditto.
2554 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
2555 TFmode and TImode masks.
2556 (ix86_expand_copysign): Expand TFmode copysign insn.
2557 (IX86_BUILTIN_INFQ): New.
2558 (IX86_BUILTIN_FABSQ): Ditto.
2559 (IX86_BUILTIN_COPYSIGNQ): Ditto.
2560 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
2561 [__builtin_fabsq]: Ditto.
2562 [__builtin_copysignq]: Ditto.
2563 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
2564 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
2565 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
2566 ix86_expand_binop_builtin().
2567
2568 2007-06-07 Bob Wilson <bob.wilson@acm.org>
2569
2570 * config/xtensa/lib1funcs.asm: Clean up whitespace.
2571
2572 2007-06-07 Steve Ellcey <sje@cup.hp.com>
2573
2574 PR target/31850
2575 * rtl.h (push_to_sequence2): New.
2576 * emit-rtl.c (push_to_sequence2): New.
2577 * function.c (assign_parm_data_all): Add new fields.
2578 (assign_parm_setup_block): Call push_to_sequence2 instead of
2579 push_to_sequence.
2580 (assign_parm_setup_reg): Ditto.
2581 (assign_parm_setup_stack): Ditto.
2582 (assign_parms_unsplit_complex): Ditto.
2583 (assign_parms): Change field name.
2584
2585 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2586
2587 PR tree-optimization/32220
2588 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
2589 phi node is reached before defining statement.
2590
2591 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2592
2593 PR tree-opt/32231
2594 * tree-vect-transform.c (vectorizable_call): Call update_stmt
2595 after changing the right hand side of the assignment.
2596
2597 2007-06-06 Eric Christopher <echristo@apple.com>
2598
2599 * config.gcc (i?86-*-darwin*): Remove arch parameter.
2600 (x86_64-*-darwin*): Ditto.
2601 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
2602 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
2603
2604 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2605
2606 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
2607 coding conventions.
2608 (add_key): Likewise.
2609 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
2610 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
2611 variable names.
2612 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory macros.
2613 (add_cost_one_coalesce): Likewise.
2614 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
2615 variable names. Rename orig to orig_name for consistency.
2616 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the coding
2617 conventions.
2618 (cprop_into_successor_phis): Avoid using C++ keywords as variable names.
2619 (record_equivalences_from_stmt): Likewise.
2620 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
2621 the coding conventions.
2622 (memory_ssa_name_same): Likewise.
2623 (dse_optimize_stmt): Likewise.
2624 (dse_record_phis): Likewise.
2625 (dse_finalize_block): Likewise.
2626 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
2627 keywords as variable names.
2628 (may_move_till): Cast according to the coding conventions.
2629 (force_move_till_expr): Avoid using C++ keywords as variable names.
2630 (force_move_till): Cast according to the coding conventions.
2631 (memref_hash): Likewise.
2632 (memref_eq): Likewise.
2633 (gather_mem_refs_stmt): Likewise.
2634 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid using C++
2635 keywords as variable names.
2636 (idx_find_step): Cast according to the coding conventions.
2637 (idx_record_use): Likewise.
2638 (find_depends): Likewise.
2639 (prepare_decl_rtl): Likewise.
2640 (mbc_entry_hash): Likewise.
2641 (mbc_entry_eq): Likewise.
2642 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
2643 (simplify_replace_tree): Avoid using C++ keywords as variable names.
2644 (idx_infer_loop_bounds): Cast according to the coding conventions.
2645 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
2646 * tree-ssa-math-opts.c (occ_new ): Likwise.
2647 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
2648 macros.
2649 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as variable
2650 names.
2651 (add_use_op): Likewise.
2652 (add_vop): Likewise.
2653 (add_vuse_op): Likewise.
2654 (add_vdef_op): Likewise.
2655 (get_expr_operands): Likewise.
2656 (push_stmt_changes): Use type safe memory macros.
2657 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
2658 keywords as variable names.
2659 (conditional_replacement): Likewise.
2660 (minmax_replacement): Likewise.
2661 (abs_replacement): Likewise.
2662 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
2663 coding conventions.
2664 (insert_fake_stores): Avoid using C++ keywords as variable names.
2665 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
2666 conventions.
2667 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
2668 (heapvar_insert): Use type safe memory macros.
2669 (new_var_info): Cast according to the coding conventions.
2670 (new_constraint): Likewise.
2671 (remove_preds_and_fake_succs): Use type safe memory macros.
2672 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
2673 conventions.
2674 (thread_single_edge): Likewise.
2675 (thread_through_loop_header): Likewise.
2676
2677 2007-06-06 Eric Christopher <echristo@apple.com>
2678
2679 * config/i386/i386.c (override_options): Move handling
2680 of TARGET_SUBTARGET* earlier.
2681
2682 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
2683
2684 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
2685 use %n on printf.
2686
2687 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
2688
2689 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
2690 emited outside of basic block.
2691 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
2692 the created blocks.
2693 * rtl.h (delete_insn_chain): Declaration changed.
2694 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
2695 non-removed insns.
2696 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
2697 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
2698 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
2699 to delete_insn_chain.
2700 (rtl_verify_flow_info_1): Verify that the insns in header and footer
2701 do not have bb field set.
2702 (rtl_verify_flow_info): Verify that insns between basic blocks do not
2703 have bb field set.
2704 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
2705 * cfgcleanup.c (try_optimize_cfg): Ditto.
2706
2707 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2708
2709 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
2710 (lambda_body_vector_new): Use type safe memory macros.
2711 (lambda_linear_expression_new): Likewise.
2712 (lambda_loopnest_new): Likewise.
2713 (lambda_lattice_new): Likewise.
2714 (replace_uses_equiv_to_x_with_y): Cast according to the coding
2715 conventions. Use type safe memory macros.
2716 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
2717 (lambda_body_vector_s): Likewise.
2718 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
2719 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
2720
2721 2007-06-06 Richard Guenther <rguenther@suse.de>
2722
2723 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
2724 if we need to schedule cfg_cleanup.
2725 (tree_ssa_forward_propagate_single_use_vars): Do so.
2726
2727 2007-06-06 Ian Lance Taylor <iant@google.com>
2728
2729 * fold-const.c (merge_ranges): If range_successor or
2730 range_predecessor fail, just return 0.
2731
2732 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2733
2734 PR tree-optimization/32216
2735 * tree-vectorizer.c (supportable_widening_operation): Determine
2736 signedness of FIX_TRUNC_EXPR from output operand.
2737 (supportable_narrowing_operation): Ditto.
2738 * tree-vect-generic.c (expand_vector_operations_1): Determine
2739 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
2740 from input operand.
2741
2742 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2743
2744 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
2745 (struct pta): ...from here. Change flags to unsigned to avoid
2746 excessive casting (as it is used as a bit mask).
2747 (override_options): Add casts according to the coding convenventions.
2748 (x86_64_elf_unique_section): Likewise.
2749 (examine_argument): Avoid using C++ keywords as variable names.
2750 (construct_container): Likewise.
2751 (legitimize_pic_address): Likewise.
2752 (get_dllimport_decl): Cast according to the coding conventions. Use
2753 type safe memory macros.
2754 (legitimize_address): Cast according to the coding conventions.
2755 (emit_i387_cw_initialization): Corrected the type of slot to enum
2756 ix86_stack_slot.
2757 (ix86_init_machine_status): Use type safe memory macros.
2758 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
2759 (bdesc_pcmpistr): Likewise.
2760 (bdesc_crc32): Likewise.
2761 (bdesc_sse_3arg): Likewise.
2762 (bdesc_2arg): Likewise.
2763 (bdesc_1arg): Likewise.
2764 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
2765 (ix86_expand_sse_pcmpistr): Likewise.
2766 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
2767 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
2768 int to match the langhook definition.
2769 (ix86_builtin_conversion): Change the type of code to unsigned init to
2770 match the langhook definition.
2771 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
2772 names.
2773 (ix86_preferred_output_reload_class): Likewise.
2774 (ix86_cannot_change_mode_class): Likewise.
2775 (ix86_memory_move_cost): Likewise.
2776 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
2777 avoid excessive casting later on.
2778 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
2779
2780 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2781
2782 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
2783 as flags setting insn.
2784 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
2785
2786 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2787
2788 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
2789 (UNSPEC_ROUND): New.
2790 ("sse4_1_round<mode>2"): New insn pattern.
2791 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
2792 SSE4.1 targets.
2793 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
2794 expander using SSEMODEF mode macro. Expand using
2795 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2796 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
2797 expander using SSEMODEF mode macro. Expand using
2798 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2799 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
2800 expander using SSEMODEF mode macro. Expand using
2801 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2802 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
2803 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
2804 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
2805 UNSPEC_ROUNDS.
2806
2807 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
2808 Sebastian Pop <sebpop@gmail.com>
2809
2810 * lambda.h (build_linear_expr): New.
2811 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
2812 Use build_linear_expr, call fold and force_gimple_operand.
2813 (lambda_loopnest_to_gcc_loopnest): Check that there is
2814 something to insert.
2815 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
2816
2817 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2818
2819 PR preprocessor/23479
2820 * doc/extend.texi: Document the 0b-prefixed binary integer
2821 constant extension.
2822
2823 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2824
2825 PR tree-optimization/32215
2826 * tree-vectorizer.c (supportable_widening_operation): Return false
2827 for unsupported FIX_TRUNC_EXPR tree code.
2828 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
2829
2830 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
2831
2832 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
2833 register on SPE targets. Change documentation to reflect
2834 reality.
2835 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
2836 Change FIXED_SCRATCH to 14 and document why we're keeping r14
2837 out of the register allocation pool.
2838 (rs6000_reg_live_or_pic_offset_p): New function.
2839 (rs6000_emit_prologue): Move the actual saving of LR up to free
2840 r0 for holding r11. Split saving of SPE 64-bit registers into
2841 its own case. Ensure that offsets will always be in-range for
2842 'evstdd' by using r11 as a scratch register to point at the start
2843 of the SPE save area. Save r11 if necessary, as it is the static
2844 chain register.
2845 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
2846 into its own case. Ensure that offsets will always be in-range
2847 for 'evldd' by using r11 as a scratch register to point at the
2848 start of the SPE save area. Also adjust r11 when restoring
2849 the stack pointer to compensate for pre-loading r11.
2850
2851 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
2852
2853 * cfg.c (init_flow): Use type safe memory macros.
2854 (alloc_block): Likewise.
2855 (unchecked_make_edge): Likewise.
2856 (dump_flow_info): Avoid using C++ keywords as variable names.
2857 (copy_original_table_clear): Cast according to the coding conventions.
2858 (copy_original_table_set): Likewise.
2859 * cfgexpand (label_rtx_for_bb): Likewise.
2860 (expand_gimple_basic_block): Likewise.
2861 * cfghooks.c (dump_bb): Likewise.
2862 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
2863 variable names.
2864 (lv_add_condition_to_bb): Likewise.
2865 * cfglayout (relink_block_chain): Cast according to the coding
2866 conventions.
2867 (fixup_reorder_chain): Likewise.
2868 (fixup_fallthru_exit_predecessor): Likewise.
2869 * cfgloop.c (glb_enum_p): Likewise.
2870 (get_exit_description): Likewise.
2871 (dump_recorded_exit): Likewise.
2872 * cfgloop.h (enum loop_estimation): Move out of struct scope...
2873 (struct loop): ... from here.
2874 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
2875 conventions.
2876 * cfgrtl.c (rtl_create_basic_block): Likewise.
2877 (rtl_split_block): Likewise.
2878 (rtl_dump_bb): Likewise.
2879 (cfg_layout_split_block): Likewise.
2880 (init_rtl_bb_info): Use typesafe memory macros.
2881
2882 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
2883 * graphds.h: Updated all usages of edge to graph_edge.
2884 * graphds.c: Likewise.
2885 * cfgloopanal.c: Likewise.
2886
2887 2007-06-05 Ian Lance Taylor <iant@google.com>
2888
2889 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
2890 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
2891 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
2892 expression.
2893 (test_for_singularity): Likewise.
2894
2895 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
2896
2897 * config/i386/constraints.md ("Y2"): Replaced by ...
2898 ("Yt"): This.
2899 * config/i386/i386.md: Likewise.
2900 * config/i386/mmx.md: Likewise.
2901 * config/i386/sse.md: Likewise.
2902
2903 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
2904
2905 * config/i386/constraints.md ("z"): Replaced by ...
2906 ("Y0"): This.
2907 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
2908 (sse4_1_blendvps): Likewise.
2909 (sse4_1_pblendvb): Likewise.
2910 (sse4_2_pcmpestr): Likewise.
2911 (sse4_2_pcmpestrm): Likewise.
2912 (sse4_2_pcmpestr_cconly): Likewise.
2913 (sse4_2_pcmpistr): Likewise.
2914 (sse4_2_pcmpistrm): Likewise.
2915 (sse4_2_pcmpistr_cconly): Likewise.
2916
2917 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
2918
2919 * matrix-reorg.c (transform_access_sites): Fix computation.
2920 (transform_allocation_sites): Same.
2921
2922 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2923
2924 * config/i386/i386.c (override_options): Use
2925 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
2926
2927 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2928
2929 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
2930 (nonimm_not_xmm0_operand): Ditto.
2931 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
2932 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
2933 as operand[2] predicate. Require "z" class XMM register for
2934 operand[3]. Adjust asm template.
2935 ("sse4_1_blendvpd"): Ditto.
2936 ("sse4_1_pblendvb"): Ditto.
2937 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
2938 force op2 into xmm0 register for variable blend instructions.
2939
2940 2007-06-04 Tom Tromey <tromey@redhat.com>
2941
2942 * c-tree.h (start_enum): Update.
2943 (build_enumerator): Likewise.
2944 * c-decl.c (enum_next_value): Removed.
2945 (enum_overflow): Likewise.
2946 (start_enum): Add c_enum_contents argument. Don't use globals.
2947 (build_enumerator): Likewise.
2948 * c-tree.h (struct c_enum_contents): New struct.
2949
2950 2007-06-04 Tom Tromey <tromey@redhat.com>
2951
2952 * c-common.c (c_common_get_alias_set): Fix indentation.
2953
2954 2007-06-04 Ian Lance Taylor <iant@google.com>
2955
2956 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
2957 to overflow, reduce overflow infinity to regular infinity.
2958 (vrp_var_may_overflow): New static function.
2959 (vrp_visit_phi_node): Check vrp_var_may_overflow.
2960
2961 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
2962
2963 * stor-layout.c (layout_type): Remove duplicate code.
2964
2965 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
2966
2967 PR c/32191
2968 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
2969 before build_common_builtin_nodes ().
2970
2971 2007-06-04 Steve Ellcey <sje@cup.hp.com>
2972
2973 PR target/31733
2974 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
2975
2976 2007-06-04 Jan Hubicka <jh@suse.cz>
2977
2978 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
2979 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
2980 instead of _stat version.
2981
2982 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
2983
2984 PR tree-optimization/32194
2985 * tree-predcom.c (determine_offset): Check that both references have
2986 the same type.
2987
2988 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
2989
2990 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
2991 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
2992 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2993 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
2994 Add argument to iterate_fix_dominators call.
2995 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
2996 * gcse.c (hoist_code): Change domby to vector.
2997 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
2998 Add argument to iterate_fix_dominators call.
2999 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3000 recompute_dominator.
3001 * lambda-code.c (perfect_nestify): Ditto.
3002 * cfgloopanal.c: Include graphds.h.
3003 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3004 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3005 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3006 add_edge call.
3007 * graphds.c: New file.
3008 * graphds.h: New file.
3009 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3010 (get_dominated_by, get_dominated_by_region): Change return type to
3011 vector.
3012 (verify_dominators): Recompute all dominators and compare the results.
3013 (recount_dominator): Renamed to ...
3014 (recompute_dominator): ... this. Do not check that the block is
3015 dominated by entry.
3016 (iterate_fix_dominators): Reimplemented.
3017 (prune_bbs_to_update_dominators, root_of_dom_tree,
3018 determine_dominators_for_sons): New functions.
3019 * et-forest.c (et_root): New function.
3020 * et-forest.h (et_root): Declare.
3021 * Makefile.in (graphds.o): Add.
3022 (cfgloopanal.o): Add graphds.h dependency.
3023 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3024 * basic-block.h (get_dominated_by, get_dominated_by_region,
3025 iterate_fix_dominators): Declaration changed.
3026 (recount_dominator): Renamed to ...
3027 (recompute_dominator): ... this.
3028 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3029 (thread_through_all_blocks): Do not free dominance info.
3030
3031 2007-06-03 Andreas Schwab <schwab@suse.de>
3032
3033 * config/m68k/m68k.c (override_options): Don't override
3034 REAL_MODE_FORMAT.
3035 * config/m68k/m68k-modes.def (SF, DF): Define to use
3036 motorola_single_format and motorola_double_format, resp.
3037 * real.c (motorola_single_format): Renamed from
3038 coldfire_single_format.
3039 (motorola_double_format): Renamed from coldfire_double_format.
3040 (encode_ieee_extended): Generate a proper canonical NaN image
3041 respecting canonical_nan_lsbs_set.
3042 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3043 true.
3044 * real.h: Adjust declarations.
3045
3046 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3047
3048 PR target/32163
3049 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3050 the symbol is generated with the stack protector.
3051
3052 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3053
3054 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3055 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3056 "interrupt".
3057 * doc/extend.texi (interrupt): Mention m68k.
3058
3059 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3060
3061 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3062 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3063 (ix86_expand_sse_pcmpestr): Do not check operands for
3064 "register_operand", when insn operand predicate is "register_operand".
3065 (ix86_expand_sse_pcmpistr): Ditto.
3066
3067 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3068 Uros Bizjak <ubizjak@gmail.com>
3069
3070 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3071 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3072 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3073 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3074 * config/i386/constraints.md ("z"): New register constraint
3075 for members of SSE_FIRST_REG class.
3076 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3077 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3078 SSE_FIRST_REG class.
3079 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3080 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3081 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3082 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3083 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3084 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3085 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3086 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3087 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3088 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3089 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3090 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3091 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3092 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3093 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3094 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3095 (struct builtin_description): Change "flag" field to unsigned.
3096 (bdesc_pcmpestr): New builtin description table.
3097 (bdesc_pcmpistr): Likewise.
3098 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3099 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3100 Initialize pcmp[ei]str[im] insns for SSE4.2.
3101 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3102 (ix86_expand_sse_pcmpistr): Likewise.
3103 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3104 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3105 (UNSPEC_PCMPISTR): Likewise.
3106 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3107 (sse4_2_pcmpestri):New isns pattern.
3108 (sse4_2_pcmpestrm): Likewise.
3109 (sse4_2_pcmpestr_cconly): Likewise.
3110 (sse4_2_pcmpistr): New insn patern and splitter.
3111 (sse4_2_pcmpistri):New isns pattern.
3112 (sse4_2_pcmpistrm): Likewise.
3113 (sse4_2_pcmpistr_cconly): Likewise.
3114 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3115 in SSE4.2.
3116
3117 2007-06-01 David Daney <ddaney@avtrex.com>
3118
3119 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3120 LOADGP_ABSOLUTE and not binds_local_p.
3121
3122 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3123
3124 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3125
3126 2007-06-01 Ian Lance Taylor <iant@google.com>
3127
3128 * tree-vrp.c (compare_name_with_value): Always set
3129 used_strict_overflow if we get a result from the variable itself.
3130
3131 2007-06-01 Ian Lance Taylor <iant@google.com>
3132
3133 PR rtl-optimization/31455
3134 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3135 subregs which have a cast between modes which are not tieable.
3136
3137 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3138
3139 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3140 breaks after return statements.
3141
3142 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3143
3144 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3145 only after no_new_pseudos.
3146
3147 2007-05-31 Eric Christopher <echristo@apple.com>
3148
3149 * expr.c (convert_move): Assert that we don't have a BLKmode
3150 operand.
3151 (store_expr): Handle BLKmode moves by calling emit_block_move.
3152
3153 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3154
3155 * c-typeck.c (build_indirect_ref): Include type in error message.
3156 (build_binary_op): Pass types to binary_op_error.
3157 * c-common.c (binary_op_error): Take two type arguments, print out
3158 types with error.
3159 * c-common.h (binary_op_error): Update prototype.
3160
3161 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3162
3163 * config/i386/i386.c: Correct coments on -mno-sse4.
3164
3165 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3166
3167 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3168 (x86_64-*-*): Likewise.
3169 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3170 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3171 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3172 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3173 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3174 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3175 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3176 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3177 (OPTION_MASK_ISA_SSE4): Likewise.
3178 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3179 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3180 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3181 (override_options): Support SSE4.2.
3182 (ix86_build_const_vector): Support SImode and DImode.
3183 (ix86_build_signbit_mask): Likewise.
3184 (ix86_expand_int_vcond): Support V2DImode.
3185 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3186 (IX86_BUILTIN_CRC32HI): Likewise.
3187 (IX86_BUILTIN_CRC32SI): Likewise.
3188 (IX86_BUILTIN_CRC32DI): Likewise.
3189 (IX86_BUILTIN_PCMPGTQ): Likewise.
3190 (bdesc_crc32): Likewise.
3191 (bdesc_sse_3arg): Likewise.
3192 (ix86_expand_crc32): Likewise.
3193 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3194 (ix86_expand_builtin): Likewise.
3195 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3196 __SSE4_2__ for -msse4.2.
3197 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3198 (CRC32MODE): Likewise.
3199 (crc32modesuffix): Likewise.
3200 (crc32modeconstraint): Likewise.
3201 (sse4_2_crc32<mode>): Likewise.
3202 (sse4_2_crc32di): Likewise.
3203 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3204 (msse4): Likewise.
3205 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3206 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3207 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3208 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3209 (vcondu<mode>): Likewise.
3210 * doc/extend.texi: Document SSE4.2 built-in functions.
3211 * doc/invoke.texi: Document -msse4.2/-msse4.
3212
3213 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3214
3215 PR tree-optimization/32160
3216 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3217 variable as gimple reg.
3218 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3219
3220 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3221
3222 * gcc.c (main): Don't consider linker options when issuing the
3223 warning about a linker input file not being used.
3224
3225 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3226
3227 * tree-vrp.c (compare_names): Initialize sop.
3228
3229 2007-05-30 Dirk Mueller <dmueller@suse.de>
3230
3231 * cgraphunit.c (cgraph_analyze_function): Remove
3232 computation of inline parameters.
3233
3234 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3235
3236 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
3237
3238 2007-05-30 Richard Sandiford <richard@codesourcery.com>
3239
3240 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
3241 Add vx-common.h. Include vxworks.h between vx-common.h and
3242 arm/vxworks.h.
3243 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
3244 redefining.
3245 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
3246 (TARGET_ASM_DESTRUCTOR): Likewise.
3247 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
3248 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
3249 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3250 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
3251 (VXWORKS_ENDIAN_SPEC): Define.
3252 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
3253 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
3254 VXWORKS_* equivalents.
3255 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
3256 (ASM_FILE_START): Delete.
3257 (TARGET_VERSION): Reformat.
3258 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
3259 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
3260 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3261 (FPBIT, DPBIT): Define.
3262 (fp-bit.c, dp-bit.c): New rules.
3263 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
3264 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
3265 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
3266 * config/arm/arm.h: Include vxworks-dummy.h.
3267 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
3268 Mark with ATTRIBUTE_UNUSED.
3269 (arm_override_options): Do not allow VxWorks RTP PIC to be used
3270 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
3271 make it incompatible with -msingle-pic-base.
3272 (arm_function_ok_for_sibcall): Return false for calls that might
3273 go through a VxWorks PIC PLT entry.
3274 (require_pic_register): New function, split out from...
3275 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
3276 for VxWorks RTPs.
3277 (arm_load_pic_register): Handle the VxWorks RTP initialization
3278 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
3279 (arm_emit_call_insn): New function.
3280 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
3281 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
3282 (pic_offset_arm): New pattern.
3283 (call, call_value): Use arm_emit_call_insn.
3284 (call_internal, call_value_internal): New expanders.
3285 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
3286 VxWorks unless __PIC__.
3287
3288 2007-05-30 Eric Christopher <echristo@gmail.com>
3289
3290 * genrecog.c: Include regs.h in generated file.
3291 * genemit.c: Ditto. Fix up formatting.
3292 * config/mn10300/constraints.md: New.
3293 * config/mn10300/mn10300.md: Include.
3294 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
3295 Fix up for removed macro.
3296 * config/mn10300/predicates.md (call_address_operand): Ditto.
3297 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
3298 (CONST_OK_FOR_I): Ditto.
3299 (CONST_OK_FOR_J): Ditto.
3300 (CONST_OK_FOR_K): Ditto.
3301 (CONST_OK_FOR_L): Ditto.
3302 (CONST_OK_FOR_M): Ditto.
3303 (CONST_OK_FOR_N): Ditto.
3304 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
3305 (OK_FOR_Q): Ditto.
3306 (OK_FOR_R): Ditto.
3307 (OK_FOR_T): Ditto.
3308 (EXTRA_CONSTRAINT): Ditto.
3309
3310 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3311
3312 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
3313 Remove defines.
3314 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
3315 OPTION_MASK_ISA_64BIT.
3316 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
3317
3318 2007-05-30 Richard Guenther <rguenther@suse.de>
3319
3320 PR middle-end/32152
3321 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
3322 types for comparison.
3323 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
3324 with original typed arguments.
3325 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
3326
3327 2007-05-30 Jakub Jelinek <jakub@redhat.com>
3328
3329 PR tree-optimization/31769
3330 * except.c (duplicate_eh_regions): Clear prev_try if
3331 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
3332
3333 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3334
3335 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
3336 * tree-ssa-sink.c (statement_sink_location): Return basic block and
3337 bsi of the location where statements should be inserted.
3338 (sink_code_in_bb): Take bsi from statement_sink_location.
3339 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
3340 instead of bsi_start.
3341 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
3342 bsi_insert_after.
3343 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
3344 (bsi_move_before): Document inconsistency with bsi_move_after.
3345 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
3346
3347 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3348
3349 * config/i386/i386.h (TARGET_ABM): New define.
3350 (TARGET_POPCNT): Ditto.
3351 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
3352 New temporary defines to redefine from OPTION_ISA_* defines.
3353 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
3354 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
3355 (ix86_isa_flags): New extern int declaration.
3356 (TARGET_SUBTARGET_DEFAULT): New define.
3357 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
3358 (TARGET_SUBTARGET32_DEFAULT): Ditto.
3359 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
3360 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3361 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
3362 * config/i386/darwin.h: Change TARGET_64BIT define to
3363 OPTION_ISA_64BIT.
3364
3365 * config/i386/i386.opt (m3dnowa): Define as undocumented option
3366 using existing "ix86_isa_flags" varible.
3367 (m32, m64): Use existing "ix86_isa_flags" variable.
3368 (mmmx, m3dnow): Ditto.
3369 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
3370 (mabm): Define as non-negative option using "x86_abm" variable.
3371 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
3372
3373 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
3374 Rewrite feature test bitmap.
3375 (ix86_isa_flags): New initialized global int varible.
3376 (ix86_isa_flags_explicit): New static int variable.
3377 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
3378 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
3379 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
3380 target_flags_explicit.
3381 (override_options): Remove "target_enable" and "target_disable" fields
3382 from "struct ptt". Update processor_target_table accordingly. Remove
3383 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
3384 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
3385 "target_flags" and "ix86_isa_flags_explicit" instead of
3386 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
3387 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
3388 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
3389 to true when either of PTA_POPCNT or PTA_ABM is set in
3390 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
3391 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
3392 processor_alias_table flags entry. Remove handling of
3393 "target_enable" and "target_disable" fields of processor_target_table.
3394 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
3395 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
3396 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
3397 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
3398 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
3399 "target_flags".
3400 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
3401
3402 2007-05-29 David Daney <ddaney@avtrex.com>
3403
3404 PR gcc/31975
3405 * config/mips/mips.c (mips_output_mi_thunk): Emit
3406 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
3407
3408 2007-05-29 Hui-May Chang <hm.chang@apple.com>
3409 * config/i386/i386.c (ix86_function_regparm): Added checking of
3410 ix86_force_align_arg_pointer to determine the number of
3411 register parameters.
3412
3413 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
3414
3415 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
3416 (SET_DR_MISALIGNMENT): New.
3417 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
3418 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
3419 Use SET_DR_MISALIGNMENT.
3420 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
3421 pointer.
3422 * tree-data-ref.c (create_data_ref, compute_all_dependences,
3423 find_loop_nest): Export.
3424 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
3425 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
3426 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
3427 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
3428 New macros.
3429 (struct mem_ref): Add field reuse_distance.
3430 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
3431 Initialize reuse_distance field.
3432 (issue_prefetch_ref): Select temporality of prefetch according to
3433 reuse_distance.
3434 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
3435 self_reuse_distance, determine_loop_nest_reuse): New functions.
3436 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
3437 (tree_ssa_prefetch_arrays): Dump L2 cache size.
3438 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
3439 dependency.
3440
3441 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
3442
3443 * tree-ssa-alias.c: Add aliasing overview.
3444
3445 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
3446 Danny Smith <dannysmith@users.sourceforge.net>
3447
3448 PR target/29498
3449 * config/i386/t-crtfm: Compile crtfastmath.o with
3450 -minline-all-stringops.
3451 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
3452 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
3453
3454 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3455
3456 * doc/md.texi: Document constraints on HP PA-RISC.
3457
3458 * pa/constraints.md: New file.
3459 * pa.md: Include constraints.md.
3460 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
3461 (integer_store_memory_operand, ldil_cint_p): New functions.
3462 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
3463 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
3464 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
3465 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
3466 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
3467
3468 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
3469
3470 PR c/31339
3471 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
3472 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
3473 case POSTDECREMENT_EXPR>): Return the error_mark_node
3474 if either the real or imaginary parts would an
3475 error_mark_node.
3476
3477 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
3478
3479 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
3480 name when we remove it from a call.
3481
3482 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
3483
3484 * targhooks.c (default_narrow_bitfield): Remove.
3485 * targhooks.h: Remove the prototype for
3486 default_narrow_bitfield.
3487
3488 * langhooks-def.h: Remove the prototype for
3489 hook_get_alias_set_0.
3490 * langhooks.c (hook_get_alias_set_0): Remove.
3491
3492 * global.c (EXECUTE_IF_CONFLICT): Remove.
3493
3494 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3495
3496 PR tree-opt/32100
3497 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
3498 return true when truth_value_p is true and the type
3499 is of signed:1.
3500
3501 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
3502
3503 * doc/install.texi (Prerequisites): We no longer require Autoconf
3504 2.13 for the top-level.
3505
3506 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
3507
3508 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
3509 memory access via x86_expand_vector_move_misalign() only for
3510 TImode values on 32-bit targets.
3511
3512 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
3513
3514 * matrix-reorg.c: New file. Implement matrix flattening and
3515 transposing optimization.
3516 * tree-pass.h: Add matrix reorg pass.
3517 * common.opt: Add fipa-mreorg flag.
3518 * Makefile.in: Add matrix-reorg.c.
3519 * passes.c: Add matrix reorg pass.
3520 * varpool.c (add_new_static_var): New function.
3521 * cgraph.h (add_new_static_var): Declare.
3522
3523 2007-05-27 Eric Christopher <echristo@apple.com>
3524
3525 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
3526 sp_offset depending on stack size. Save r12 depending
3527 on registers we're saving later.
3528 (rs6000_emit_epilogue): Update sp_offset depending only
3529 on stack size.
3530
3531 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
3532
3533 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
3534 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3535 * ifcvt.c (if_convert): Ditto.
3536 * tree-ssa-threadupdate.c (thread_block): Ditto.
3537 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
3538 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
3539 verify_loop_closed_ssa): Check number_of_loops instead of
3540 current_loops.
3541 * predict.c (tree_estimate_probability): Ditto.
3542 * tree-if-conv.c (main_tree_if_conversion): Ditto.
3543 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3544 * modulo-sched.c (sms_schedule): Ditto.
3545 * tree-scalar-evolution.c (scev_const_prop): Ditto.
3546 (scev_finalize): Do not do anything if scev analysis was not
3547 initialized.
3548 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
3549 current_loops == NULL.
3550 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
3551 * loop-init.c (loop_optimizer_init): Do not free current_loops when
3552 there are no loops.
3553 (loop_optimizer_finalize): Assert that loops were analyzed.
3554 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
3555 rtl_doloop): Check number_of_loops instead of current_loops.
3556 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
3557 current_loops == NULL.
3558 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
3559 gate_tree_vectorize tree_linear_transform, check_data_deps,
3560 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3561 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
3562 Check number_of_loops instead of current_loops.
3563 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
3564 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
3565 free loops if available.
3566 (execute_pre): Do not pass do_fre to fini_pre.
3567
3568 2007-05-27 Tobias Burnus <burnus@net-b.de>
3569
3570 PR middle-end/32083
3571 * real.c (mpfr_from_real): Fix sign of -Inf.
3572
3573 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
3574
3575 * tree-vect-transform.c (vectorizable_conversion): Initialize
3576 tree_code variables to ERROR_MARK.
3577 (vectorizable_type_demotion): Likewise.
3578 (vectorizable_type_promotion): Likewise.
3579
3580 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3581
3582 PR target/32065
3583 * config/i386/i386.md (movti): Handle push operands via
3584 ix86_expand_push().
3585
3586 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3587
3588 * basic-block.h: Remove the prototype for merge_seq_blocks.
3589 * cfgcleanup.c (merge_seq_blocks): Remove.
3590
3591 * tree-flow.h: Remove the prototype for is_aliased_with.
3592 * tree-ssa-alias.c (is_aliased_with): Remove.
3593
3594 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
3595
3596 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
3597
3598 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
3599
3600 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
3601 ix86_expand_sse4_unpack if SSE4.1 is enabled.
3602 (vec_unpacks_hi_v16qi): Likewise.
3603 (vec_unpacku_lo_v16qi): Likewise.
3604 (vec_unpacks_lo_v16qi): Likewise.
3605 (vec_unpacku_hi_v8hi): Likewise.
3606 (vec_unpacks_hi_v8hi): Likewise.
3607 (vec_unpacku_lo_v8hi): Likewise.
3608 (vec_unpacks_lo_v8hi): Likewise.
3609 (vec_unpacku_hi_v4si): Likewise.
3610 (vec_unpacks_hi_v4si): Likewise.
3611 (vec_unpacku_lo_v4si): Likewise.
3612 (vec_unpacks_lo_v4si): Likewise.
3613
3614 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3615
3616 * c-typeck.c, config/arm/arm.c, config/darwin.c,
3617 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
3618 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
3619 follow spelling conventions in various
3620 warning/error/diagnostic messages.
3621
3622 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
3623 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
3624 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
3625 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
3626 tree-vrp.c: Fix comment typos. Follow spelling conventions.
3627 * doc/tm.texi: Follow spelling conventions.
3628
3629 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3630
3631 PR tree-opt/32090
3632 * tree-ssa-forwprop.c
3633 (forward_propagate_addr_into_variable_array_index): Remove
3634 the lhs argument. Use the type of def_rhs instead of lhs.
3635 (forward_propagate_addr_expr_1): Update use of
3636 forward_propagate_addr_into_variable_array_index.
3637
3638 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
3639 Nigel Stephens <nigel@mips.com>
3640
3641 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
3642 function attributes, "far" being an alias for "long_call".
3643 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
3644 (mips_near_type_p, mips_far_type_p): New.
3645 (mips_comp_type_attributes): New function to check that attributes
3646 attached to a function type are compatible.
3647 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
3648 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
3649 to the target function of the thunk.
3650 (mips_encode_section_info): Check for "near" and "far" function
3651 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
3652
3653 * config/mips/predicates.md (const_call_insn_operand): Test only
3654 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
3655
3656 * doc/extend.texi (Function Attributes): Document MIPS "near" and
3657 "far" attributes.
3658
3659 * testsuite/gcc.target/mips/near-far-1.c: New test case.
3660 * testsuite/gcc.target/mips/near-far-2.c: New test case.
3661 * testsuite/gcc.target/mips/near-far-3.c: New test case.
3662 * testsuite/gcc.target/mips/near-far-4.c: New test case.
3663
3664 2007-05-25 Eric Christopher <echristo@apple.com>
3665
3666 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
3667 to x86-darwin configurations.
3668 * config/i386/t-darwin: Add softfp support.
3669 * config/i386/t-darwin64: Ditto.
3670 * config/i386/sfp-machine.h: If mach then don't use
3671 aliasing, emit a stub to call.
3672
3673 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
3674
3675 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
3676 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
3677 tree-predcom.c, tree-ssa-alias-warnings.c,
3678 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
3679 comment typos. Follow spelling conventions.
3680 * doc/cpp.texi, doc/invoke.texi: Fix typos.
3681
3682 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3683
3684 PR target/32065
3685 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
3686 constants into memory. Expand unaligned memory references for
3687 SSE modes via x86_expand_vector_move_misalign() function.
3688
3689 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
3690
3691 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
3692 "memory" attribute for "sseishft" type insn without operands[2].
3693
3694 2007-05-25 Dirk Mueller <dmueller@suse.de>
3695 Marcus Meissner <meissner@suse.de>
3696
3697 * doc/extend.texi (alloc_size): New attribute.
3698 * c-common.c (handle_alloc_size_attribute): New.
3699 * tree-object-size.c (alloc_object_size): Use alloc_size
3700 attribute, if available.
3701
3702 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3703
3704 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
3705 with MASK_SSE2.
3706 (__builtin_ia32_vec_ext_v2di): Likewise.
3707 (__builtin_ia32_vec_ext_v4si): Likewise.
3708 (__builtin_ia32_vec_ext_v8hi): Likewise.
3709 (__builtin_ia32_vec_ext_v16qi): Likewise.
3710 (__builtin_ia32_vec_set_v8hi): Likewise.
3711
3712 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3713
3714 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
3715
3716 2007-05-25 Richard Sandiford <richard@codesourcery.com>
3717
3718 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
3719 (arm_is_longcall_p): Rename to...
3720 (arm_is_long_call_p): ...this. Take a single tree argument and
3721 return a bool.
3722 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
3723 (CUMULATIVE_ARGS): Remove call_cookie.
3724 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
3725 (ENCODED_LONG_CALL_ATTR_P): Delete.
3726 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
3727 LONG_CALL_FLAG_CHAR cases.
3728 (ARM_DECLARE_FUNCTION_SIZE): Delete.
3729 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
3730 ARM_DECLARE_FUNCTION_SIZE.
3731 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
3732 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
3733 (arm_encode_call_attribute, current_file_function_operand): Delete.
3734 (arm_function_in_section_p): New function.
3735 (arm_is_longcall_p): Rename to...
3736 (arm_is_long_call_p): ...this. Take the target function as a single
3737 argument and return a bool. Do not rely on call cookies. Check
3738 whether the target symbol is in the same section as the current
3739 function, not just the same compilation unit.
3740 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
3741 (arm_encode_section_info): Don't encode a call type.
3742 * config/arm/arm.md (call, call_value): Update calls to
3743 arm_is_long(_)call_p. Simplify logic.
3744 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
3745 Update calls to arm_is_long(_)call_p.
3746
3747 2007-05-25 Richard Guenther <rguenther@suse.de>
3748
3749 PR tree-optimization/31982
3750 * tree-ssa-forwprop.c
3751 (forward_propagate_addr_into_variable_array_index): Handle arrays
3752 with element size one.
3753
3754 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3755
3756 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
3757 (umulsi3_highpart): Likewise.
3758
3759 2007-05-24 Ian Lance Taylor <iant@google.com>
3760
3761 PR rtl-optimization/32069
3762 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
3763 is NULL.
3764
3765 2007-05-24 Ollie Wild <aaw@google.com>
3766
3767 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
3768 description.
3769
3770 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
3771
3772 * postreload-gcse.c (reg_changed_after_insn_p): New function.
3773 (oprs_unchanged_p): Use it to check all registers in a REG.
3774 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
3775 (reg_set_between_after_reload_p): Delete.
3776 (reg_used_between_after_reload_p): Likewise.
3777 (reg_set_or_used_since_bb_start): Likewise.
3778 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
3779 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
3780 Use reg_set_between_p instead of reg_set_between_after_reload_p.
3781 * rtlanal.c (reg_set_p): Check whether REG overlaps
3782 regs_invalidated_by_call, rather than just checking the
3783 membership of REGNO (REG).
3784
3785 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3786
3787 * doc/passes.texi: Document predictive commoning.
3788 * doc/invoke.texi (-fpredictive-commoning): Document.
3789 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
3790 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
3791 adding indices to the generated name.
3792 (schedule_sm): Pass 0 to get_lsm_tmp_name.
3793 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
3794 * tree-pretty-print.c (op_symbol_1): Renamed to ...
3795 (op_symbol_code): ... and exported.
3796 (dump_omp_clause, op_symbol): Use op_symbol_code
3797 instead of op_symbol_1.
3798 * tree-pass.h (pass_predcom): Declare.
3799 * timevar.def (TV_PREDCOM): New timevar.
3800 * tree-ssa-loop.c (run_tree_predictive_commoning,
3801 gate_tree_predictive_commoning, pass_predcom): New.
3802 * tree-data-ref.c (find_data_references_in_loop): Find the
3803 references in dominance order.
3804 (canonicalize_base_object_address): Ensure that the result has
3805 pointer type.
3806 (dr_analyze_innermost): Export.
3807 (create_data_ref): Code to fail for references with invariant
3808 address moved ...
3809 (find_data_references_in_stmt): ... here.
3810 * tree-data-ref.h (dr_analyze_innermost): Declare.
3811 * tree-affine.c: Include tree-gimple.h and hashtab.h.
3812 (aff_combination_find_elt, name_expansion_hash,
3813 name_expansion_eq, tree_to_aff_combination_expand,
3814 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
3815 New functions.
3816 * tree-affine.h (aff_combination_constant_multiple_p,
3817 tree_to_aff_combination_expand): Declare.
3818 * tree-predcom.c: New file.
3819 * common.opt (fpredictive-commoning): New option.
3820 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
3821 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
3822 * Makefile.in (tree-predcom.o): Add.
3823 (tree-affine.o): Add TREE_GIMPLE_H dependency.
3824 * passes.c (init_optimization_passes): Add dceloop after
3825 copy propagation in loop optimizer. Add predictive commoning
3826 to loop optimizer passes.
3827
3828 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3829
3830 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
3831 default hook.
3832
3833 2007-05-24 Jan Hubicka <jh@suse.cz>
3834
3835 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
3836 statistics.
3837 (genheader): Include statistics.h.
3838
3839 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
3840 notes are gone.
3841 * print-rtl.c (flag_dump_unnumbered): Update comments.
3842 (print_rtl): Fix my previous change.
3843 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
3844 specific data.
3845
3846 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3847
3848 PR middle-end/32018
3849 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
3850 set_loop_copy.
3851 (thread_through_all_blocks): Call initialize_original_copy_tables
3852 and free_original_copy_tables.
3853 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
3854 Use set_loop_copy.
3855 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
3856 * cfghooks.c (duplicate_block): Use get_loop_copy.
3857 * cfg.c: Include cfgloop.h.
3858 (loop_copy): New hash table.
3859 (initialize_original_copy_tables): Initialize loop_copy table.
3860 (free_original_copy_tables): Free loop_copy table.
3861 (copy_original_table_clear, copy_original_table_set,
3862 set_loop_copy, get_loop_copy): New functions.
3863 (set_bb_original, set_bb_copy): Use copy_original_table_set.
3864 * cfgloop.h (struct loop): Remove copy field.
3865 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
3866 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
3867
3868 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3869
3870 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
3871 -msse/-msse2/-msse3.
3872
3873 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3874
3875 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
3876 __builtin_ia32_vec_set_v2di with MASK_64BIT.
3877
3878 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
3879
3880 PR target/27067
3881 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
3882 * targhooks.h (default_mangle_decl_assembler_name): Declare
3883 default hook.
3884 * targhooks.c (default_mangle_decl_assembler_name): Define
3885 default hook.
3886 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
3887 default hook.
3888 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
3889 * langhooks.c (lhd_set_decl_assembler_name): Call
3890 targetm.mangle_decl_assembler_name for names with global scope.
3891
3892 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
3893 default.
3894 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
3895 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
3896 Declare.
3897 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
3898 New. Factored out of i386_pe_encode_section_info.
3899 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
3900 Move check for prior decoration of stdcall
3901 symbols to i386_pe_encode_section_info.
3902 (i386_pe_encode_section_info): Adjust call to
3903 gen_stdcall_or_fastcall_suffix. Use
3904 i386_pe_maybe_mangle_decl_assembler_name, if needed.
3905 (i386_pe_mangle_decl_assembler_name): New. Wrap
3906 i386_pe_maybe_mangle_decl_assembler_name.
3907
3908 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
3909
3910 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
3911 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
3912 * langhooks.c (get_signed_or_unsigned_type): Don't check for
3913 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
3914 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
3915 TYPE_UNSIGNED.
3916
3917 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
3918 Nigel Stephens <nigel@mips.com>
3919 Richard Sandiford <richard@codesourcery.com>
3920
3921 Fix up MIPS16 hard float and add support for complex.
3922
3923 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
3924 (TARGET_SOFT_FLOAT_ABI): New.
3925 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
3926 __mips_soft_float to reflect the ABI in use, not whether the
3927 FPU is directly accessible (e.g., in MIPS16 mode).
3928 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
3929 (UNITS_PER_FPVALUE): Likewise.
3930
3931 * config/mips/mips.c (mips_expand_call): Remove redundant
3932 TARGET_MIPS16 check.
3933 (mips_arg_regno): New.
3934 (function_arg_advance): When setting bits in cum->fp_code for
3935 MIPS16, don't subtract 1 from cum->arg_number, since it is now
3936 zero-based.
3937 (function_arg): Use mips_arg_regno.
3938 (mips_return_mode_in_fpr_p): New.
3939 (mips16_call_stub_mode_suffix): New.
3940 (mips16_cfun_returns_in_fpr_p): New.
3941 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
3942 (mips_output_function_prologue): Test mips16_hard_float, not
3943 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
3944 (mips_expand_epilogue): Call MIPS16 helper routines to copy
3945 return value into a floating-point register.
3946 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
3947 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
3948 (mips16_fp_args): Handle MIPS32r2 ISA which supports
3949 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
3950 word of double arguments from or to the high bits of 64-bit
3951 floating point registers.
3952 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
3953 (mips16_fpret_double): New helper function.
3954 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
3955 support for complex modes. Fill in DECL_RESULT for stubdecl.
3956 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
3957
3958 * config/mips/mips16.S
3959 (RET, ARG1, ARG2): New.
3960 (MERGE_GPRf, MERGE_GPRt): New.
3961 (DELAYt, DELAYf): New.
3962 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
3963 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
3964 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
3965 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
3966 (SFOP): Renamed to...
3967 (OPSF3): This, and macro-ified. Updated all uses.
3968 (SFOP2): Renamed to...
3969 (OPSF2): This, and macro-ified. Updated all uses.
3970 (SFCMP): Renamed to...
3971 (CMPSF): This, and macro-ified. Updated all uses.
3972 (SFREVCMP): Renamed to...
3973 (REVCMPSF): This, and macro-ified. Updated all uses.
3974 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
3975 (LDDBL1, LDDBL2, RETDBL): Deleted.
3976 (DFOP): Renamed to...
3977 (OPDF3): This, and macro-ified. Updated all uses.
3978 (DFOP2): Renamed to...
3979 (OPDF2): This, and macro-ified. Updated all uses.
3980 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
3981 (DFCMP): Renamed to...
3982 (CMPDF): This, and macro-ified. Updated all uses.
3983 (DFREVCMP): Renamed to...
3984 (REVCMPDF): This, and macro-ified. Updated all uses.
3985 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
3986 (RET_FUNCTION): New.
3987 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
3988 (__mips16_ret_sc, __mips16_ret_dc): New.
3989 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
3990 STUB_ARGS_6, STUB_ARGS_10): New.
3991 (CALL_STUB_NO_RET): New.
3992 (__mips16_call_stub_1): Macro-ified.
3993 (__mips16_call_stub_5): Macro-ified.
3994 (__mips16_call_stub_2): Macro-ified.
3995 (__mips16_call_stub_6): Macro-ified.
3996 (__mips16_call_stub_9): Macro-ified.
3997 (__mips16_call_stub_10): Macro-ified.
3998 (CALL_STUB_RET): New.
3999 (__mips16_call_stub_sf_0): Macro-ified.
4000 (__mips16_call_stub_sf_1): Macro-ified.
4001 (__mips16_call_stub_sf_5): Macro-ified.
4002 (__mips16_call_stub_sf_2): Macro-ified.
4003 (__mips16_call_stub_sf_6): Macro-ified.
4004 (__mips16_call_stub_sf_9): Macro-ified.
4005 (__mips16_call_stub_sf_10): Macro-ified.
4006 (__mips16_call_stub_df_0): Macro-ified.
4007 (__mips16_call_stub_df_1): Macro-ified.
4008 (__mips16_call_stub_df_5): Macro-ified.
4009 (__mips16_call_stub_df_2): Macro-ified.
4010 (__mips16_call_stub_df_6): Macro-ified.
4011 (__mips16_call_stub_df_9): Macro-ified.
4012 (__mips16_call_stub_df_10): Macro-ified.
4013 (__mips16_call_stub_sc_0): New.
4014 (__mips16_call_stub_sc_1): New.
4015 (__mips16_call_stub_sc_5): New.
4016 (__mips16_call_stub_sc_2): New.
4017 (__mips16_call_stub_sc_6): New.
4018 (__mips16_call_stub_sc_9): New.
4019 (__mips16_call_stub_sc_10): New.
4020 (__mips16_call_stub_dc_0): New.
4021 (__mips16_call_stub_dc_1): New.
4022 (__mips16_call_stub_dc_5): New.
4023 (__mips16_call_stub_dc_2): New.
4024 (__mips16_call_stub_dc_6): New.
4025 (__mips16_call_stub_dc_9): New.
4026 (__mips16_call_stub_dc_10): New.
4027
4028 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
4029 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
4030 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
4031
4032 2007-05-23 Ian Lance Taylor <iant@google.com>
4033
4034 * doc/invoke.texi (Invoking GCC): Document that the order of the
4035 -l option matters.
4036
4037 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
4038
4039 PR target/30987
4040 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
4041 * config/score/predicate.md (const_pow2, const_npow2): Remove.
4042 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
4043 undef.
4044
4045 PR target/30474
4046 * config/score/score.c (score_print_operand): Make sure that only
4047 lower bits are used.
4048
4049 2007-05-22 Ian Lance Taylor <iant@google.com>
4050
4051 * tree-vrp.c (avoid_overflow_infinity): New static function,
4052 broken out of set_value_range_to_value.
4053 (set_value_range_to_value): Call avoid_overflow_infinity.
4054 (extract_range_from_assert): Likewise.
4055
4056 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
4057
4058 PR middle-end/31095
4059 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
4060 change the type before looking for a COMPOUND_EXPR.
4061
4062 2007-05-22 Ian Lance Taylor <iant@google.com>
4063
4064 * lower-subreg.c (decompose_multiword_subregs): If we change an
4065 insn, call remove_retval_note on it.
4066
4067 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4068
4069 * regs.h (end_hard_regno): New function.
4070 (END_HARD_REGNO, END_REGNO): New macros.
4071 (add_to_hard_reg_set): New function.
4072 (remove_from_hard_reg_set): Likewise.
4073 (in_hard_reg_set_p): Likewise.
4074 (overlaps_hard_reg_set_p): Likewise.
4075 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
4076 (note_btr_set): Use END_HARD_REGNO.
4077 * caller-save.c (setup_save_areas): Use end_hard_regno.
4078 (mark_set_regs): Use END_HARD_REGNO.
4079 (add_stored_regs): Use end_hard_regno.
4080 (mark_referenced_regs): Use add_to_hard_reg_set.
4081 * combine.c (update_table_tick): Use END_REGNO.
4082 (record_value_for_reg): Likewise.
4083 (record_dead_and_set_regs): Likewise.
4084 (get_last_value_validate): Likewise.
4085 (use_crosses_set_p): Likewise.
4086 (reg_dead_at_p_1): Likewise.
4087 (reg_dead_at_p): Likewise.
4088 (mark_used_regs_combine): Use add_to_hard_reg_set.
4089 (move_deaths): Use END_HARD_REGNO.
4090 (reg_bitfield_target_p): Use end_hard_regno.
4091 (distribute_notes): Use END_HARD_REGNO.
4092 * cse.c (mention_regs): Use END_REGNO.
4093 (insert): Use add_to_hard_reg_set.
4094 (invalidate): Use END_HARD_REGNO.
4095 (invalidate_for_call): Likewise.
4096 (exp_equiv_p): Use END_REGNO.
4097 (cse_insn): Likewise.
4098 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
4099 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
4100 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
4101 * function.c (keep_stack_depressed): Use end_hard_regno.
4102 * global.c (global_alloc): Use end_hard_regno.
4103 (global_conflicts): Use add_to_hard_reg_set instead of
4104 mark_reg_live_nc.
4105 (find_reg): Likewise.
4106 (mark_reg_store): Likewise.
4107 (mark_reg_conflicts): Likewise.
4108 (mark_reg_death): Use remove_from_hard_reg_set.
4109 (mark_reg_live_nc): Delete.
4110 (set_preference): Use end_hard_regno.
4111 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
4112 remove_from_hard_reg_set.
4113 (post_mark_life): Use add_to_hard_reg_set.
4114 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
4115 (reg_becomes_live): Use add_to_hard_reg_set.
4116 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
4117 (peep2_find_free_register): Use add_to_hard_reg_set.
4118 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
4119 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
4120 * regrename.c (note_sets): Use add_to_hard_reg_set.
4121 (clear_dead_regs): Use remove_from_hard_reg_set.
4122 (regrename_optimize): Use add_to_hard_reg_set.
4123 (find_oldest_value_reg): Use in_hard_reg_set_p.
4124 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
4125 (hard_reg_set_here_p): Use end_hard_regno.
4126 (decompose): Likewise.
4127 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
4128 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
4129 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
4130 (mark_home_live): Use end_hard_regno.
4131 (spill_hard_reg): Likewise.
4132 (clear_reload_reg_in_use): Likewise.
4133 * reorg.c (delete_prior_computation): Use END_REGNO.
4134 * resource.c (update_live_status): Use END_HARD_REGNO.
4135 (mark_referenced_resources): Use add_to_hard_reg_set.
4136 (mark_set_resources): Likewise.
4137 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
4138 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
4139 (reg_overlap_mentioned_p): Likewise.
4140 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
4141 (covers_regno_no_parallel_p): Use END_REGNO.
4142 (find_regno_note): Likewise.
4143 (find_reg_fusage): Use END_HARD_REGNO.
4144 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
4145 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
4146
4147 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4148
4149 * mode-switching.c (reg_dies): Change type of second argument to
4150 "HARD_REG_SET *".
4151 (optimize_mode_switching): Update accordingly.
4152
4153 2007-05-22 Richard Sandiford <richard@codesourcery.com>
4154
4155 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
4156 in favor of...
4157 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
4158 (hard_reg_set_empty_p): ...these new functions.
4159 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
4160 GO_IF_HARD_REG_SUBSET.
4161 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
4162 instead of GO_IF_HARD_REG_EQUAL.
4163 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
4164 instead of GO_IF_HARD_REG_EQUAL.
4165 * global.c (find_reg): Use hard_reg_set_empty_p instead of
4166 GO_IF_HARD_REG_SUBSET.
4167 (modify_reg_pav): Use hard_reg_set_empty_p instead of
4168 GO_IF_HARD_REG_EQUAL.
4169 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
4170 of GO_IF_HARD_REG_SUBSET.
4171 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
4172 instead of GO_IF_HARD_REG_EQUAL.
4173 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
4174 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
4175 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
4176 of GO_IF_HARD_REG_SUBSET,
4177 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
4178 GO_IF_HARD_REG_SUBSET.
4179 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
4180 instead of GO_IF_HARD_REG_EQUAL.
4181 * config/sh/sh.c (push_regs, calc_live_regs): Use
4182 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
4183 (hard_regs_intersect_p): Delete.
4184
4185 2007-05-22 Janis Johnson <janis187@us.ibm.com>
4186
4187 * doc/sourcebuild.texi (Test Directives) Add dg-message.
4188
4189 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
4190 Richard Henderson <rth@redhat.com>
4191
4192 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
4193 extra_headers.
4194 (x86_64-*-*): Likewise.
4195
4196 * i386/i386-modes.def (V2QI): New.
4197
4198 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
4199 SSE4A.
4200 (override_options): Support SSE4.1.
4201 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
4202 (IX86_BUILTIN_BLENDPS): Likewise.
4203 (IX86_BUILTIN_BLENDVPD): Likewise.
4204 (IX86_BUILTIN_BLENDVPS): Likewise.
4205 (IX86_BUILTIN_PBLENDVB128): Likewise.
4206 (IX86_BUILTIN_PBLENDW128): Likewise.
4207 (IX86_BUILTIN_DPPD): Likewise.
4208 (IX86_BUILTIN_DPPS): Likewise.
4209 (IX86_BUILTIN_INSERTPS128): Likewise.
4210 (IX86_BUILTIN_MOVNTDQA): Likewise.
4211 (IX86_BUILTIN_MPSADBW128): Likewise.
4212 (IX86_BUILTIN_PACKUSDW128): Likewise.
4213 (IX86_BUILTIN_PCMPEQQ): Likewise.
4214 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
4215 (IX86_BUILTIN_PMAXSB128): Likewise.
4216 (IX86_BUILTIN_PMAXSD128): Likewise.
4217 (IX86_BUILTIN_PMAXUD128): Likewise.
4218 (IX86_BUILTIN_PMAXUW128): Likewise.
4219 (IX86_BUILTIN_PMINSB128): Likewise.
4220 (IX86_BUILTIN_PMINSD128): Likewise.
4221 (IX86_BUILTIN_PMINUD128): Likewise.
4222 (IX86_BUILTIN_PMINUW128): Likewise.
4223 (IX86_BUILTIN_PMOVSXBW128): Likewise.
4224 (IX86_BUILTIN_PMOVSXBD128): Likewise.
4225 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
4226 (IX86_BUILTIN_PMOVSXWD128): Likewise.
4227 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
4228 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
4229 (IX86_BUILTIN_PMOVZXBW128): Likewise.
4230 (IX86_BUILTIN_PMOVZXBD128): Likewise.
4231 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
4232 (IX86_BUILTIN_PMOVZXWD128): Likewise.
4233 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
4234 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
4235 (IX86_BUILTIN_PMULDQ128): Likewise.
4236 (IX86_BUILTIN_PMULLD128): Likewise.
4237 (IX86_BUILTIN_ROUNDPD): Likewise.
4238 (IX86_BUILTIN_ROUNDPS): Likewise.
4239 (IX86_BUILTIN_ROUNDSD): Likewise.
4240 (IX86_BUILTIN_ROUNDSS): Likewise.
4241 (IX86_BUILTIN_PTESTZ): Likewise.
4242 (IX86_BUILTIN_PTESTC): Likewise.
4243 (IX86_BUILTIN_PTESTNZC): Likewise.
4244 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
4245 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
4246 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
4247 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
4248 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
4249 (bdesc_ptest): New.
4250 (bdesc_sse_3arg): Likewise.
4251 (bdesc_2arg): Likewise.
4252 (bdesc_1arg): Likewise.
4253 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
4254 with 3 args.
4255 (ix86_expand_sse_4_operands_builtin): New.
4256 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
4257 smaller than 8 bits as the 2nd arg.
4258 (ix86_expand_sse_ptest): New.
4259 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
4260 (ix86_expand_vector_set): Support SSE4.1.
4261 (ix86_expand_vector_extract): Likewise.
4262
4263 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
4264 __SSE4_1__ for -msse4.1.
4265
4266 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
4267 (UNSPEC_INSERTPS): Likewise.
4268 (UNSPEC_DP): Likewise.
4269 (UNSPEC_MOVNTDQA): Likewise.
4270 (UNSPEC_MPSADBW): Likewise.
4271 (UNSPEC_PHMINPOSUW): Likewise.
4272 (UNSPEC_PTEST): Likewise.
4273 (UNSPEC_ROUNDP): Likewise.
4274 (UNSPEC_ROUNDS): Likewise.
4275
4276 * config/i386/i386.opt (msse4.1): New for SSE4.1.
4277
4278 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
4279 (const_pow2_1_to_32768_operand): Likewise.
4280
4281 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
4282 file.
4283
4284 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
4285 SSE4.1.
4286 (sse4_1_insertps): Likewise.
4287 (*sse4_1_extractps): Likewise.
4288 (sse4_1_ptest): Likewise.
4289 (sse4_1_mulv2siv2di3): Likewise.
4290 (*sse4_1_mulv4si3): Likewise.
4291 (*sse4_1_smax<mode>3): Likewise.
4292 (*sse4_1_umax<mode>3): Likewise.
4293 (*sse4_1_smin<mode>3): Likewise.
4294 (*sse4_1_umin<mode>3): Likewise.
4295 (sse4_1_eqv2di3): Likewise.
4296 (*sse4_1_pinsrb): Likewise.
4297 (*sse4_1_pinsrd): Likewise.
4298 (*sse4_1_pinsrq): Likewise.
4299 (*sse4_1_pextrb): Likewise.
4300 (*sse4_1_pextrb_memory): Likewise.
4301 (*sse4_1_pextrw_memory): Likewise.
4302 (*sse4_1_pextrq): Likewise.
4303 (sse4_1_blendpd): Likewise.
4304 (sse4_1_blendps): Likewise.
4305 (sse4_1_blendvpd): Likewise.
4306 (sse4_1_blendvps): Likewise.
4307 (sse4_1_dppd): Likewise.
4308 (sse4_1_dpps): Likewise.
4309 (sse4_1_movntdqa): Likewise.
4310 (sse4_1_mpsadbw): Likewise.
4311 (sse4_1_packusdw): Likewise.
4312 (sse4_1_pblendvb): Likewise.
4313 (sse4_1_pblendw): Likewise.
4314 (sse4_1_phminposuw): Likewise.
4315 (sse4_1_extendv8qiv8hi2): Likewise.
4316 (*sse4_1_extendv8qiv8hi2): Likewise.
4317 (sse4_1_extendv4qiv4si2): Likewise.
4318 (*sse4_1_extendv4qiv4si2): Likewise.
4319 (sse4_1_extendv2qiv2di2): Likewise.
4320 (*sse4_1_extendv2qiv2di2): Likewise.
4321 (sse4_1_extendv4hiv4si2): Likewise.
4322 (*sse4_1_extendv4hiv4si2): Likewise.
4323 (sse4_1_extendv2hiv2di2): Likewise.
4324 (*sse4_1_extendv2hiv2di2): Likewise.
4325 (sse4_1_extendv2siv2di2): Likewise.
4326 (*sse4_1_extendv2siv2di2): Likewise.
4327 (sse4_1_zero_extendv8qiv8hi2): Likewise.
4328 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
4329 (sse4_1_zero_extendv4qiv4si2): Likewise.
4330 (*sse4_1_zero_extendv4qiv4si2): Likewise.
4331 (sse4_1_zero_extendv2qiv2di2): Likewise.
4332 (*sse4_1_zero_extendv2qiv2di2): Likewise.
4333 (sse4_1_zero_extendv4hiv4si2): Likewise.
4334 (*sse4_1_zero_extendv4hiv4si2): Likewise.
4335 (sse4_1_zero_extendv2hiv2di2): Likewise.
4336 (*sse4_1_zero_extendv2hiv2di2): Likewise.
4337 (sse4_1_zero_extendv2siv2di2): Likewise.
4338 (*sse4_1_zero_extendv2siv2di2): Likewise.
4339 (sse4_1_roundpd): Likewise.
4340 (sse4_1_roundps): Likewise.
4341 (sse4_1_roundsd): Likewise.
4342 (sse4_1_roundss): Likewise.
4343 (mulv4si3): Don't expand for SSE4.1.
4344 (smax<mode>3): Likewise.
4345 (umaxv4si3): Likewise.
4346 (uminv16qi3): Likewise.
4347 (umin<mode>3): Likewise.
4348 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
4349
4350 * doc/extend.texi: Document SSE4.1 built-in functions.
4351
4352 * doc/invoke.texi: Document -msse4.1.
4353
4354 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
4355
4356 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
4357 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
4358 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
4359 (ASM_SPEC): Add asm_pcrel_spec.
4360 (EXTRA_SPECS): Add asm_pcrel_spec.
4361
4362 2007-05-21 David Daney <ddaney@avtrex.com>
4363
4364 * doc/install.texi (Building a cross compiler): Add requirements
4365 for Java cross compiler.
4366
4367 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
4368
4369 PR middle-end/31995
4370 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
4371 Add loopno argument. Use evolution_function_is_invariant_rec_p
4372 instead of evolution_function_is_constant_p.
4373 Update calls to evolution_function_is_affine_multivariate_p.
4374 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
4375 Add loopno argument.
4376 * tree-scalar-evolution.c (gather_chrec_stats): Call
4377 evolution_function_is_affine_multivariate_p with a loop
4378 number of 0.
4379 * tree-data-ref.c (analyze_miv_subscript): Likewise.
4380 (analyze_overlapping_iterations): Likewise.
4381 (access_functions_are_affine_or_constant_p): Likewise.
4382 (build_classic_dist_vector_1): If the access functions
4383 are equal, don't do anything.
4384
4385 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
4386 Paolo Carlini <pcarlini@suse.de>
4387 Uros Bizjak <ubizjak@gmail.com>
4388
4389 * c-cppbuiltin.c (c_cpp_builtins): Define
4390 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
4391 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
4392 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
4393 * doc/cpp.texi ([Standard Predefined Macros]): Document.
4394
4395 2007-05-21 Mike Stump <mrs@apple.com>
4396
4397 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
4398 handling as well.
4399 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
4400
4401 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
4402
4403 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
4404 implementation if __OPTIMIZE__ is not defined.
4405 (_mm_alignr_pi8): Ditto.
4406 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4407 (_mm_inserti_si64): Ditto.
4408 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4409 (_mm_slli_epi16): Ditto.
4410 (_mm_slli_epi32): Ditto.
4411 (_mm_slli_epi64): Ditto.
4412 (_mm_srai_epi16): Ditto.
4413 (_mm_srai_epi32): Ditto.
4414 (_mm_srli_si128): Ditto.
4415 (_mm_slli_si128): Ditto.
4416 (_mm_srli_epi16): Ditto.
4417 (_mm_srli_epi32): Ditto.
4418 (_mm_srli_epi64): Ditto.
4419 (_mm_extract_epi16): Ditto.
4420 (_mm_insert_epi16): Ditto.
4421 (_mm_shufflehi_epi16): Ditto.
4422 (_mm_shufflelo_epi16): Ditto.
4423 (_mm_shuffle_epi32): Ditto.
4424 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
4425 (_m_pextrw): Ditto.
4426 (_mm_insert_pi16): Ditto.
4427 (_m_pinsrw): Ditto.
4428 (_mm_shuffle_pi16): Ditto.
4429 (_m_pshufw): Ditto.
4430 (_mm_shufle_ps): Ditto.
4431 (_mm_prefetch): Ditto.
4432
4433 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
4434
4435 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
4436 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
4437 * real.c (encode_i370_single, decode_i370_single,
4438 encode_i370_double, decode_i370_double): Functions removed.
4439 (i370_single_format, i370_double_format): Initializations removed.
4440 (real_maxval, round_for_format, exact_real_truncate, significand_size):
4441 Consider the log2_b field to always be one.
4442 (ieee_single_format, mips_single_format, coldfire_single_format,
4443 ieee_double_format, mips_double_format, coldfire_double_format,
4444 ieee_extended_motorola_format, ieee_extended_intel_96_format,
4445 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
4446 ibm_extended_format, mips_extended_format, ieee_quad_format,
4447 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
4448 decimal_single_format, decimal_double_format, decimal_quad_format,
4449 c4x_single_format, c4x_extended_format, real_internal_format): Remove
4450 initialization of log2_b.
4451 * real.h (i370_single_format, i370_double_format): Declarations removed.
4452 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
4453 field to always be one.
4454
4455 2007-05-21 Andreas Schwab <schwab@suse.de>
4456
4457 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
4458 NOTE_INSN_BASIC_BLOCK_P.
4459 (process_for_unwind_directive): Likewise.
4460
4461 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
4462
4463 * builtins.c (expand_builtin_setjmp_setup): Update comment.
4464 * function.h (struct function): Move va_list_gpr_size,
4465 va_list_fpr_size, function_frequency to front of bitfields. Add
4466 calls_unwind_init.
4467 (current_function_calls_unwind_init): New.
4468 * except.c (expand_builtin_unwind_init): Set
4469 current_function_calls_unwind_init not
4470 current_function_has_nonlocal_label.
4471 * reload1.c (has_nonexceptional_receiver): New.
4472 (reload): Use it and current_function_calls_unwind_init to
4473 determine whether call-saved regs must be saved.
4474
4475 2007-05-20 Jan Hubicka <jh@suse.cz>
4476
4477 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
4478 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4479 * ddg.c (create_ddg): LIkewise.
4480 * final.c (final): Remove hunk moving line numbernotes around since
4481 they are no longer present at this stage.
4482 (final_scan_insn): Use NOTE_KIND instead of
4483 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4484 (output_asm_label): Likewise.
4485 * reorg.c (dbr_schedule): Likewise.
4486 * haifa-sched.c (unlink_other_notes): Likewise.
4487 * mode-switching.c (optimize_mode_switching): Likewise.
4488 * graph.c (start_bb): Likewise.
4489 * rtl.def (NOTE): Update description.
4490 * jump.c (squeeze_notes): Delete.
4491 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
4492 NOTE_INSN_BASIC_BLOCK_P when possible.
4493 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
4494 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
4495 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4496 (dwarf2out_var_location): Likewise.
4497 * cfgbuild.c (make_edges): Likewise.
4498 (find_basic_blocks_1): Likewise.
4499 * function.c (reorder_blocks_1): Likewise.
4500 (epilogue_done): Likewise.
4501 (reposition_prologue_and_epilogue_notes): Likewise.
4502 * print-rtl.c (print_rtx): Likewise; drop code for printing line number
4503 notes.
4504 (print_rtl): Likewise.
4505 (print_rtl_single): Likewise.
4506 * gcse.c (insert_insn_start_bb): Likewise.
4507 * alias.c (init_alias_analysis): Likewise.
4508 * calls.c (fixup_tail_calls): Likewise.
4509 * except.c (sjlj_emit_function_enter): Likewise.
4510 * emit-rtl.c (add_insn_after): Likeiwse.
4511 (emit_label_before): Likewise.
4512 (emit_label_after): Likewise.
4513 (emit_note_before, emit_note_after, emit_note): Update
4514 parameter to be enum insn_note; do not deal with source
4515 files.
4516 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
4517 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
4518 when possible.
4519 (merge_blocks_move_successor_nojumps): Simplify now when
4520 we don't have BLOCK notes.
4521 (try_optimize_cfg): Likewise.
4522 * cfglayout.c (skip_insns_after_block): Likewise.
4523 (record_effective_endpoints): Likewise.
4524 (duplicate_insn_chain): Likewise.
4525 * varasm.c (output_constant_pool_1): Likewise.
4526 * sched-deps.c (sched_analyze): Likewise.
4527 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
4528 Exterminate.
4529 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
4530 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
4531 (SET_INSN_DELETED): Simplify.
4532 (NOTE_LINE_NUMBER): Exterminate.
4533 (NOTE_LINE_KIND): New.
4534 (NOTE_INSN_BASIC_BLOCK_P): Update.
4535 (enum insn_note): Simplify.
4536 (GET_NOTE_INSN_NAME) Simplify.
4537 (emit_note_before, emit_note_after, emit_note): Update prototype.
4538 (squeeze_notes): Remove.
4539 * sched-int.h (NOTE_NOT_BB_P): Update.
4540 * resource.c (mark_target_live_regs): Update.
4541 * sched-rgn.c (debug_dependencies): Update.
4542 * sched-vis.c (print_insn): Update.
4543 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
4544 * config/i386/i386.c (ix86_output_function_epilogue): Update.
4545 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
4546 (TARGET_ADJUST_UNROLL_MAX): Likewise.
4547 (split_branches): Update.
4548 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
4549 4.0.0.
4550 (sh_adjust_unroll_max): Exterminate.
4551 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
4552 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
4553 (m68hc11_reorg): Likewise.
4554 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
4555 (emit_predicate_relation_info): Update.
4556 (process_for_unwind_directive): Update.
4557 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
4558 (output_call): Update.
4559 * config/pa/pa.c (output_lbranch): Update.
4560 (output_millicode_call): Update.
4561 (output_call): Update.
4562 (pa_combine_instructions): Update.
4563 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
4564 * config/bfin/bfin.c (gen_one_bundle): Update.
4565 * cfgrtl.c (can_delete_note_p): Update.
4566 (delete_insn): Update.
4567 (rtl_merge_blocks): Update.
4568 (commit_one_edge_insertion): Update.
4569 (rtl_verify_flow_info): Update.
4570 * stmt.c (expand_case): Do not call squeeze_notes.
4571
4572 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4573
4574 PR middle-end/7651
4575 PR c++/11856
4576 PR c/12963
4577 PR c/23587
4578 PR other/29694
4579 * c.opt (Wtype-limits): New.
4580 * doc/invoke.texi (Wtype-limits): Document it.
4581 (Wextra): Enabled by -Wextra.
4582 * c-opts.c (c_common_post_options): Enabled by -Wextra.
4583 * c-common.c (shorten_compare): Warn with Wtype-limits.
4584
4585 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4586
4587 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
4588 inlined function, not as a macro.
4589 (_mm_alignr_pi8): Ditto.
4590 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4591 (_mm_inserti_si64): Ditto.
4592 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4593 (_mm_extract_epi16): Ditto.
4594 (_mm_insert_epi16): Ditto.
4595 (_mm_shufflehi_epi16): Ditto.
4596 (_mm_shufflelo_epi16): Ditto.
4597 (_mm_shuffle_epi32): Ditto.
4598 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
4599 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
4600 all functions.
4601 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
4602 float constant.
4603 (_m_to_float): Use C89 compatible assignment.
4604
4605 2007-04-20 Martin Michlmayr <tbm@cyrius.com>
4606
4607 PR target/32007
4608 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
4609
4610 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4611
4612 PR middle-end/7651
4613 * doc/invoke.texi (Wreturn-type): Complete description.
4614 (Wextra): Delete item about return-type warning.
4615 * c-decl.c: Delete redundant Wextra warning.
4616
4617 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4618
4619 PR target/31585
4620 * config/i386/pmmintrin.h: Do not include xmmintrin.h
4621 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
4622 inlined function, not as a macro.
4623 (_mm_prefetch): Ditto.
4624 (_m_pextrw): Ditto.
4625 (_mm_insert_pi16): Ditto.
4626 (_m_pinsrw): Ditto.
4627 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
4628 (_m_pshufw): Ditto. Add const to __N argument.
4629 (_mm_shufle_ps): Ditto. Add const to __mask argument.
4630 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
4631 (_mm_slli_epi32): Ditto.
4632 (_mm_srli_si128): Implement as always inlined function, not as a macro.
4633 Add __inline to function declaration.
4634 (_mm_slli_si128): Ditto.
4635
4636 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
4637
4638 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
4639 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
4640 New constants.
4641 (struct fenv): New structure.
4642 (FP_HANDLE_EXCEPTIONS): New define.
4643 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
4644 (_FP_DECL_EXP): New define.
4645 (FP_INIT_ROUNDMODE): New define.
4646 (FP_ROUNDMODE): New define.
4647
4648 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4649
4650 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
4651 (Wconversion): Update description.
4652 (Wconversion-sign): New.
4653 * c.opt (Wconversion-sign): New.
4654 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
4655 means disabled for C++. Otherwise, take the status of Wconversion.
4656 * c-common.c (conversion_warning): Warn with either Wconversion or
4657 Wconversion-sign.
4658 (warnings_for_convert_and_check): Conditions are already checked by
4659 conversion_warning.
4660 (convert_and_check): Don't check warnings if the conversion failed.
4661
4662 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
4663 Anatoly Sokolov <aesok@dol.ru>
4664
4665 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
4666 avr_epilogue_uses) : Add declaration.
4667 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
4668 * config/avr/constraints.md (R): New constraint.
4669 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
4670 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
4671 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
4672 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
4673 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
4674 call_prologue_saves, epilogue_restores, return_from_epilogue,
4675 return_from_main_epilogue, return_from_interrupt_epilogue,
4676 return_from_naked_epilogue, prologue, epilogue): New patterns.
4677 (jump): Handle symbol reference.
4678 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
4679 avr_output_function_prologue, avr_output_function_epilogue): Remove
4680 functions.
4681 (avr_init_machine_status, expand_prologue, expand_epilogue,
4682 avr_asm_function_end_prologue, avr_epilogue_uses,
4683 avr_asm_function_begin_epilogue): New functions.
4684 (prologue_size, epilogue_size, jump_tables_size): Remove global
4685 variables.
4686 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
4687 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
4688 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
4689 (avr_override_options): Initialise init_machine_status.
4690 (output_movhi): Handle all stack pointer loads.
4691 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
4692 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
4693 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
4694 (EPILOGUE_USES) Redefine.
4695 (machine_function) Declare.
4696
4697 2007-05-19 Richard Sandiford <richard@codesourcery.com>
4698
4699 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
4700 Use a single return statement.
4701
4702 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4703
4704 PR middle-end/30250
4705 * builtins.c (do_mpfr_lgamma_r): New.
4706 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
4707 * tree.h (CASE_FLT_FN_REENT): New.
4708
4709 2007-05-18 Geoffrey Keating <geoffk@apple.com>
4710
4711 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
4712 (output_die): Use 'unsigned long' with %x.
4713 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
4714 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
4715 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
4716
4717 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
4718
4719 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
4720
4721 PR target/31989
4722 PR target/31681
4723 PR target/31666
4724 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
4725 true if function has no argument.
4726
4727 2007-05-18 DJ Delorie <dj@redhat.com>
4728
4729 * config/mips/mips.c (mips_offset_within_alignment_p): New.
4730 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
4731
4732 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4733
4734 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
4735 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
4736 count_trailing_zeros.
4737 (__i386__): Implement count_leading_zeros using __builtin_clz().
4738 Implement count_trailing_zeros usign __builtin_ctz().
4739
4740 2007-05-18 Richard Sandiford <richard@codesourcery.com>
4741
4742 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
4743
4744 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4745
4746 PR middle-end/31344
4747 * expr.c (emit_move_change_mode): Change mode of push operands here.
4748
4749 2007-05-17 Ian Lance Taylor <iant@google.com>
4750
4751 PR tree-optimization/31953
4752 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
4753 Change all callers.
4754 (set_value_range_to_null): Call set_value_range_to_value.
4755 (extract_range_from_comparison): Likewise.
4756
4757 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4758
4759 * toplev.c (print_version): Output GMP/MPFR version info.
4760
4761 * builtins.c (CASE_MATHFN_REENT): New macro.
4762 (mathfn_built_in): Use it.
4763 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
4764 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
4765 BUILT_IN_LGAMMAL_R): New.
4766 * doc/extend.texi: Document new builtins.
4767
4768 PR middle-end/31796
4769 * builtins.c (do_mpfr_remquo): New.
4770 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
4771 (fold_builtin_3): Handle BUILT_IN_REMQUO.
4772
4773 PR middle-end/30251
4774 * builtins.c (fold_builtin_1): Handle y0, y1.
4775 (fold_builtin_2): Handle yn.
4776
4777 PR middle-end/30251
4778 * builtins.c (do_mpfr_bessel_n): New.
4779 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
4780 (fold_builtin_2): Handle BUILT_IN_JN.
4781
4782 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
4783
4784 PR target/31965
4785 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
4786 TYPE_PRECISION (intmax_type_node).
4787
4788 2007-05-17 Steve Ellcey <sje@cup.hp.com>
4789
4790 PR target/31850
4791 * reload.c (subst_reloads): Remove checking.
4792
4793 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4794
4795 PR rtl-optimization/31691
4796 * combine.c (simplify_set): Build a new src pattern instead of
4797 substituting its operands in the COMPARE case.
4798
4799 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4800
4801 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
4802 (execute_vrp): Preserve loops through jump threading.
4803 * tree-ssa-threadupdate.c (thread_single_edge,
4804 dbds_continue_enumeration_p, determine_bb_domination_status,
4805 thread_through_loop_header): New functions.
4806 (create_edge_and_update_destination_phis,
4807 create_edge_and_update_destination_phis): Set loops for the new blocks.
4808 (prune_undesirable_thread_requests): Removed.
4809 (redirect_edges): Do not pretend that redirect_edge_and_branch can
4810 create new blocks.
4811 (thread_block): Do not call prune_undesirable_thread_requests.
4812 Update loops.
4813 (mark_threaded_blocks): Select edges to thread here.
4814 (thread_through_all_blocks): Take may_peel_loop_headers argument.
4815 Thread edges through loop headers independently.
4816 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
4817 * tree-pass.h (TODO_mark_first_instance): New.
4818 (first_pass_instance): Declare.
4819 * cfghooks.c (duplicate_block): Put the block to the original loop
4820 if copy is not specified.
4821 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
4822 jump threading. Pass may_peel_loop_headers to
4823 thread_through_all_blocks according to first_pass_instance.
4824 * cfgloop.h (create_preheader): Declare.
4825 * tree-flow.h (thread_through_all_blocks): Declaration changed.
4826 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
4827 * passes.c (first_pass_instance): New variable.
4828 (next_pass_1): Set TODO_mark_first_instance.
4829 (execute_todo): Set first_pass_instance.
4830
4831 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
4832
4833 PR tree-optimization/24659
4834 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
4835 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
4836 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
4837 OTI_vec_pack_ufix_trunc.
4838 (vec_unpacks_float_hi_optab): Define new macro.
4839 (vec_unpacks_float_lo_optab): Ditto.
4840 (vec_unpacku_float_hi_optab): Ditto.
4841 (vec_unpacku_float_lo_optab): Ditto.
4842 (vec_pack_sfix_trunc_optab): Ditto.
4843 (vec_pack_ufix_trunc_optab): Ditto.
4844 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
4845 and vec_pack_[s|u]fix_trunc_optab using
4846 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
4847 * tree-vectorizer.c (supportable_widening_operation): Handle
4848 FLOAT_EXPR and CONVERT_EXPR. Update comment.
4849 (supportable_narrowing_operation): New function.
4850 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
4851 * tree-vect-transform.c (vectorizable_conversion): Handle
4852 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
4853 (vect_gen_widened_results_half): Move before vectorizable_conversion.
4854 (vectorizable_type_demotion): Call supportable_narrowing_operation()
4855 to check for target support.
4856 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
4857 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
4858 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
4859 for VEC_PACK_FIX_TRUNC_EXPR.
4860 (expand_binop): Special case mode of the result for
4861 vec_pack_[u|s]fix_trunc_optab.
4862 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
4863 vec_pack_[u|s]fix_trunc_optab.
4864
4865 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
4866 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
4867 * tree-pretty-print.c (dump_generic_node): Handle
4868 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
4869 VEC_PACK_FIX_TRUNC_EXPR.
4870 (op_prio): Ditto.
4871 * expr.c (expand_expr_real_1): Ditto.
4872 * tree-inline.c (estimate_num_insns_1): Ditto.
4873 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
4874
4875 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
4876 (vec_unpacks_float_lo_v8hi): Ditto.
4877 (vec_unpacku_float_hi_v8hi): Ditto.
4878 (vec_unpacku_float_lo_v8hi): Ditto.
4879 (vec_unpacks_float_hi_v4si): Ditto.
4880 (vec_unpacks_float_lo_v4si): Ditto.
4881 (vec_pack_sfix_trunc_v2df): Ditto.
4882
4883 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
4884 Document.
4885 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
4886 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
4887 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
4888 [vec_pack_ufix_trunc]: Ditto.
4889 [vec_unpacks_float_hi]: Ditto.
4890 [vec_unpacks_float_lo]: Ditto.
4891 [vec_unpacku_float_hi]: Ditto.
4892 [vec_unpacku_float_lo]: Ditto.
4893
4894 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
4895
4896 * soft-fp/README: Update for new files.
4897 * soft-fp/floattisf.c: New file.
4898 * soft-fp/floattidf.c: New file.
4899 * soft-fp/floattitf.c: New file.
4900 * soft-fp/floatuntisf.c: New file.
4901 * soft-fp/floatuntidf.c: New file.
4902 * soft-fp/floatuntitf.c: New file.
4903 * soft-fp/fixsfti.c: New file.
4904 * soft-fp/fixdfti.c: New file.
4905 * soft-fp/fixtfti.c: New file.
4906 * soft-fp/fixunssfti.c: New file.
4907 * soft-fp/fixunsdfti.c: New file.
4908 * soft-fp/fixunstfti.c: New file.
4909 * soft-fp/extendxftf.c: New file.
4910 * soft-fp/trunctfxf.c: New file.
4911
4912 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
4913 (__trunctfxf2): Ditto.
4914
4915 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
4916 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
4917 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
4918 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
4919 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
4920 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
4921
4922 * config/i386/t-fprules-softfp64: New file.
4923 * config/i386/sfp-machine.h: New file.
4924 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
4925 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
4926 and soft-fp/t-softfp to tmake_file.
4927 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
4928 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
4929
4930 * config/i386/t-linux64 (softfp_wrap_start): New.
4931 (softfp_wrap_end): New.
4932 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
4933 supported for TARGET_64BIT.
4934
4935 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
4936
4937 * c-common.c (c_common_signed_or_unsigned_type): Emulate
4938 c_common_unsigned_type behavior.
4939
4940 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
4941
4942 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
4943 calls as pure.
4944
4945 2007-05-16 Eric Christopher <echristo@apple.com>
4946
4947 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
4948 saving after stack push. Set sp_offset whenever we push.
4949 (rs6000_emit_epilogue): Move altivec register restore before
4950 stack push.
4951
4952 2007-05-16 Richard Sandiford <richard@codesourcery.com>
4953
4954 * configure.ac: Allow sysroots to be relocated under $prefix as
4955 well as $exec_prefix.
4956 * configure: Regenerate.
4957
4958 2007-05-16 Richard Sandiford <richard@codesourcery.com>
4959
4960 Revert:
4961
4962 2007-05-12 Richard Sandiford <richard@codesourcery.com>
4963
4964 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
4965 (gcc_tooldir): Likewise.
4966 * configure: Regenerate.
4967 * Makefile.in (libsubdir_to_prefix): New variable, based on the
4968 old configure.ac gcc_tooldir setting.
4969 (prefix_to_exec_prefix): New variable.
4970 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
4971 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
4972
4973 2007-05-14 Janis Johnson <janis187@us.ibm.com>
4974
4975 * c-typeck.c (build_binary_op): Return early for error.
4976
4977 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4978
4979 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
4980 struct nb_iter_bound.
4981 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
4982 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
4983 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
4984 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
4985 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
4986 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
4987 (del_scev_info): Use ggc_free.
4988 (scev_initialize): Allocate scalar_evolution_info in gc memory.
4989 * loop-init.c: Include ggc.h.
4990 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
4991 (loop_optimizer_finalize): Use ggc_free.
4992 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
4993 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
4994 pass_iv_optimize): Add TODO_ggc_collect.
4995 * function.h (struct function): Remove skip marker from x_current_loops.
4996 * cfgloop.c: Include ggc.h.
4997 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
4998 memory.
4999 (establish_preds): Vector superloops is gc allocated.
5000 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
5001 loop->exits list.
5002 (flow_loops_find): Vector larray is gc allocated.
5003 (loop_exit_free): Use ggc_free.
5004 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
5005 that head of exits list is now not a part of struct loop.
5006 (record_loop_exits): Allocate exits table in gc memory.
5007 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
5008 head of exits list is now not a part of struct loop.
5009 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
5010 struct loop_exit): Add GTY marker.
5011 (struct loop): Add GTY marker. Make superloops vector gc allocated.
5012 Add skip marker to aux field. Make head of exits list a separate
5013 object.
5014 (struct loops): Add GTY marker. Make larray vector gc allocated.
5015 Add param marker to exits table.
5016 (get_loops): Type changed.
5017 * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
5018 dependency.
5019 (cfgloop.o, loop-init.o): Add ggc.h dependency.
5020 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
5021 * basic-block.h (struct basic_block_def): Remove skip marker from
5022 loop_father field.
5023
5024 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
5025
5026 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
5027 of 0 in the call to expand_expr().
5028 (expand_builtin_mathfn_3): Ditto.
5029 (expand_builtin_interclass_mathfn): Ditto.
5030 (expand_builtin_cexpi): Ditto.
5031 (expand_builtin_int_roundingfn): Ditto.
5032 (expand_builtin_int_roundingfn_2): Ditto.
5033 (expand_builtin_pow): Ditto.
5034 (expand_builtin_powi): Ditto.
5035 (expand_builtin_bswap): Ditto.
5036 (expand_builtin_unop): Ditto.
5037 (expand_builtin_fabs): Ditto.
5038 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
5039 the call to expand_expr().
5040 (expand_builtin_sync_operation): Ditto.
5041 (expand_builtin_compare_and_swap): Ditto.
5042 (expand_builtin_lock_test_and_set): Ditto.
5043 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
5044 instead of 0 in the call to expand_expr().
5045 (expand_builtin_extract_return_addr): Ditto.
5046 (expand_builtin_eh_return): Ditto.
5047 (expand_eh_return): Ditto.
5048 * explow.c (expr_size): Ditto.
5049 * expr.c (optimize_bitfield_assignment_op): Ditto.
5050 (expand_assignement): Ditto.
5051 (store_expr): Ditto.
5052 (store_field): Ditto.
5053 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
5054 the call to expand_expr().
5055 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
5056 in the call to expand_expr().
5057 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
5058 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
5059 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
5060 of expand_expr().
5061 * optabs.c (expand_vec_shift_expr): Ditto.
5062 (expand_vec_cond_expr): Ditto.
5063 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
5064 call to expand_expr().
5065 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
5066 in the call to expand_expr().
5067
5068 2007-05-14 Dave Korn <dave.korn@artimi.com>
5069
5070 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
5071
5072 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
5073
5074 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
5075 instead of c_common_unsigned_type.
5076 (c_common_unsigned_type): Remove.
5077 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
5078 c_common_unsigned_type.
5079 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
5080 c_common_unsigned_type.
5081 * c-common.h (c_common_unsigned_type): Remove.
5082 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
5083 c_common_unsigned_type.
5084 * c-format.c (check_format_types): Use unsigned_type_for instead of
5085 c_common_unsigned_type.
5086 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5087 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
5088 c_common_unsigned_type.
5089 * convert.c (convert_to_integer): Use unsigned_type_for instead of
5090 lang_hooks.types.unsigned_type.
5091 * expmed.c (make_tree): Use unsigned_type_for instead of
5092 lang_hooks.types.unsigned_type.
5093 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
5094 lang_hooks.types.unsigned_type.
5095 (build_range_check): Likewise.
5096 (fold_unary): Likewise.
5097 (fold_binary): Likewise.
5098 (fold_ternary): Likewise.
5099 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5100 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
5101 * tree.c (get_unsigned_type): New.
5102 (unsigned_type_for): Use get_unsigned_type instead of
5103 lang_hooks.types.unsigned_type.
5104
5105 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
5106
5107 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
5108 to m68k_get_function_kind. Update its prototype.
5109 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
5110 interrupt_thread.
5111 (m68k_interrupt_function_p): Return enum m68k_function_type
5112 instead of bool. Rename to m68k_get_function_kind.
5113 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
5114 target is not fido.
5115 (m68k_compute_frame_layout): Don't mark any register for save
5116 if an interrupt_thread attribute is specified.
5117 (m68k_hard_regno_rename_ok): Update a use of
5118 m68k_interrupt_function_p.
5119 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
5120 m68k_interrupt_function_p.
5121 (m68k_function_type): New.
5122 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
5123 for a function with an interrupt_thread attribute.
5124 * doc/extend.texi: Document the interrupt_thread attribute.
5125
5126 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
5127
5128 Fix PR tree-optimization/31911
5129 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5130 if they didn't change the expression.
5131
5132 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
5133
5134 * tree-scalar-evolution.c (resolve_mixers): Exported.
5135 * tree-scalar-evolution.h (resolve_mixers): Declare.
5136 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
5137 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5138 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
5139 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
5140 init_array_ref, init_pointer_ref, analyze_indirect_ref,
5141 strip_conversion, analyze_offset_expr, address_analysis,
5142 object_analysis, analyze_offset): Removed.
5143 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
5144 split_constant_offset, canonicalize_base_object_address,
5145 object_address_invariant_in_loop_p, disjoint_objects_p,
5146 dr_may_alias_p, dr_address_invariant_p): New functions.
5147 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
5148 and dr_analyze_alias.
5149 (initialize_data_dependence_relation): Use dr_may_alias_p
5150 and object_address_invariant_in_loop_p.
5151 (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
5152 is chrec_dont_know.
5153 (find_data_references_in_stmt): Restrict the analysis of data references
5154 to the given loop nest.
5155 (find_data_references_in_loop): Made static. Pass loop nest to
5156 find_data_references_in_stmt.
5157 (compute_data_dependences_for_loop): Use DR_VOPS.
5158 (free_data_ref): Free DR_VOPS.
5159 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
5160 (struct innermost_loop_behavior): ... new.
5161 (struct base_object_info): Replaced by ...
5162 (struct indices): ... new.
5163 (struct dr_alias): New.
5164 (enum data_ref_type): Removed.
5165 (struct data_reference): Consist of struct innermost_loop_behavior,
5166 struct indices and struct dr_alias.
5167 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
5168 (DR_MEMTAG): Renamed to ...
5169 (DR_SYMBOL_TAG): ... this.
5170 (find_data_references_in_loop): Declaration removed.
5171 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
5172 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
5173 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
5174 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
5175
5176 2007-05-13 Revital Eres <eres@il.ibm.com>
5177
5178 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
5179 which walks virtual def-use chains to find redundant stores.
5180 (dse_optimize_stmt): Call it.
5181
5182 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5183
5184 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
5185 * passes.c (init_optimization_passes): Move pass_jump_bypass
5186 after loop2.
5187
5188 * basic-block.h (bb_has_eh_pred): Fix style issue.
5189
5190 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5191
5192 PR rtl-optimization/31848
5193 * loop-invariant.c (move_invariant_reg): If we move an insn
5194 with a REG_EQUAL note, and that insn is not always executed,
5195 remove the REG_EQUAL note.
5196
5197 2007-05-12 Richard Guenther <rguenther@suse.de>
5198
5199 PR tree-optimization/31797
5200 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
5201 propagate into a stmt that has volatile ops.
5202
5203 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5204
5205 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5206 (gcc_tooldir): Likewise.
5207 * configure: Regenerate.
5208 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5209 old configure.ac gcc_tooldir setting.
5210 (prefix_to_exec_prefix): New variable.
5211 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5212 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5213
5214 2007-05-11 Silvius Rus <rus@google.com>
5215
5216 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
5217 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
5218 * c-common.h (strict_aliasing_warning): Change return type.
5219 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
5220 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
5221 (build_c_cast): Condition call to strict_aliasing_warning.
5222 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
5223 * flags.h (set_Wstrict_aliasing): Declare.
5224 * opts.c (set_Wstrict_alising): Define, add call to.
5225 * tree-flow.h (strict_aliasing_warning_backend): Declare.
5226 * tree-ssa-alias-warnings.c: New file.
5227 * tree-ssa-alias.c (compute_may_aliases): Add call to
5228 strict_aliasing_warning_backend.
5229
5230 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
5231
5232 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
5233 Use loop_depth and loop_outer accessor functions.
5234 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
5235 determine_invariantness_stmt, move_computations_stmt): Ditto.
5236 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
5237 add_loop, loopify, unloop, fix_loop_structure): Ditto.
5238 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
5239 * tree-scalar-evolution.c (interpret_loop_phi,
5240 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
5241 instantiate_parameters_1, scev_const_prop): Ditto.
5242 * cfghooks.c (make_forwarder_block): Ditto.
5243 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
5244 * modulo-sched.c (loop_canon_p): Ditto.
5245 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
5246 slpeel_can_duplicate_loop_p): Ditto.
5247 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
5248 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
5249 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
5250 cancel_loop, verify_loop_structure): Ditto.
5251 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
5252 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
5253 superloops vector instead of "pred" array.
5254 (establish_preds): Take father loop as an argument. Initialize the
5255 superloops vector.
5256 (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
5257 initialize loop->outer.
5258 (flow_loop_tree_node_remove): Truncate the superloops vector.
5259 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
5260 "pred" merged to "superloops" vector.
5261 (loop_depth, loop_outer): New.
5262 (fel_init): Use loop_outer.
5263
5264 2007-05-11 Jan Hubicka <jh@suse.cz>
5265
5266 * cgraphunit.c: Include gt-cgraphunit.h
5267 (static_ctors, static_dtors): New static vars.
5268 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
5269 based on implementation in c-common.c
5270 (cgraph_finalize_function): Call record_cdtor_fn.
5271 (cgraph_optimize): Call cgraph_build_cdtor_fns.
5272 * decl.c (finish_function): Do not call c_record_cdtor_fn.
5273 (c_write_global_declarations): Do not call c_build_cdtor_fns.
5274 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
5275 build_cdtor, c_build_cdtor_fns): Remove.
5276 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
5277 c_build_cdtor_fns): Remove prototype.
5278
5279 2007-05-11 Paolo Carlini <pcarlini@suse.de>
5280
5281 PR other/31852
5282 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
5283 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
5284 * builtins.c (fold_builtin_memchr): New.
5285 (expand_builtin_memchr): Call the latter.
5286 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
5287 * doc/extend.texi ([Other built-in functions provided by GCC]):
5288 Document memchr.
5289
5290 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
5291
5292 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
5293 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
5294 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
5295 PFPO_OP1_TYPE_SHIFT): Constants added.
5296 (DFP_ALL): Mode macro defined.
5297 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
5298 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
5299 Insn definitions added.
5300 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
5301 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
5302 Expanders added.
5303
5304 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
5305
5306 PR tree-optimization/31885
5307 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
5308 to be undetermined.
5309 (automatically_generated_chrec_p): Return false for NULL.
5310
5311 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5312
5313 * config/bfin/bfin.h (MOVE_RATIO): Define.
5314
5315 2007-05-10 Richard Sandiford <richard@codesourcery.com>
5316
5317 * config.gcc (sparc-wrs-vxworks): New target.
5318 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
5319 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
5320 * config/sparc/sparc.h: Include vxworks-dummy.h.
5321 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
5322 include LABEL_REFs too.
5323 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
5324 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
5325 VxWorks.
5326 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
5327 on VxWorks.
5328 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
5329 (sparc_emit_call_insn): New function.
5330 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
5331 functions when generating VxWorks PIC.
5332 * config/sparc/sparc.md (vxworks_load_got): New pattern.
5333 (call, call_value): Use sparc_emit_call_insn instead of
5334 emit_call_insn.
5335
5336 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5337
5338 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
5339
5340 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5341
5342 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
5343 for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double
5344 instead of operand_subword.
5345
5346 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5347
5348 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
5349 * config/bfin/bfin.c (bfin_local_alignment): New function.
5350 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
5351
5352 2007-05-08 Chao-ying Fu <fu@mips.com>
5353
5354 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
5355 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
5356 (smsub_widen_optab, umsub_widen_optab): Define.
5357 * optabs.c (init_optabs): Initialize smsub_widen_optab and
5358 umsub_widen_optab.
5359 * genopinit.c (optabs): Fill in smsub_widen_optab and
5360 umsub_widen_optab.
5361 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
5362 and umsub_widen_optab to implement multiply-subtract sequences.
5363 * config/mips/mips.md (*msac<u>_di): Rename to...
5364 (<u>msubsidi4): ...this. Extend condition to include
5365 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
5366 of operand 0 to "ka" and use the three-operand form of msub<u>
5367 for TARGET_DSPR2.
5368 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
5369 to define_expands.
5370
5371 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
5372
5373 PR rtl-optimization/28011
5374 * reload.c (push_reload): Set dont_share if IN appears in OUT
5375 also when IN is a PLUS rtx.
5376 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
5377 are same PLUS rtx.
5378
5379 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
5380
5381 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
5382 call unshare_all_decls.
5383 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
5384 (unshare_all_decls): Remove.
5385
5386 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
5387
5388 PR 31847
5389 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
5390 dumps.
5391
5392 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
5393 Nigel Stephens <nigel@mips.com>
5394
5395 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
5396 Update comments and all uses.
5397 (MIN_FPRS_PER_FMT): Define.
5398 * config/mips/mips.c (function_arg): Fix to correctly handle
5399 the -mips32r2 -mfp64 -mabi=32 case.
5400 (override_options): Enable use of odd-numbered registers for
5401 SFmode values on MIPS32.
5402 (mips_save_reg_p): Save whole floating-point register pair if
5403 either half is used.
5404 (compute_frame_size): Fix comment.
5405
5406 2007-05-08 Jie Zhang <jie.zhang@analog.com>
5407
5408 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
5409 argument of type bool.
5410 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
5411 argument. Safely select temporary P register according to it.
5412 (do_link): Change call site of add_to_reg accordingly.
5413 (do_unlink): Add epilogue_p as a fourth argument and pass it
5414 to add_to_reg.
5415 (expand_interrupt_handler_epilogue): Change call of do_unlink
5416 accordingly.
5417 (bfin_expand_prologue): Add a third argument sibcall_p.
5418 * config/bfin/bfin.md (epilogue): Change call of
5419 bfin_expand_epilogue accordingly.
5420 (sibcall_epilogue): Likewise.
5421 (eh_return_internal): Likewise.
5422
5423 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
5424 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
5425 * config/bfin/bfin.c (bfin_handle_option): Handle
5426 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
5427 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
5428 Support bf534, bf536 and bf561.
5429 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
5430
5431 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
5432
5433 PR target/31854
5434 * config/i386/i386.c (ix86_function_regparm): Process local
5435 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
5436
5437 2007-05-07 Mike Stump <mrs@apple.com>
5438
5439 * doc/invoke.texi (Warning Options): Document that -Wempty-body
5440 also checks for and while statements in C++.
5441
5442 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
5443
5444 * gcc.c (at_file_supplied): New variable.
5445 (main): Set it if we expanded argv.
5446 (do_spec_1): Pass an @-file to the linker if we were called with
5447 an @-file argument and HAVE_GNU_LD.
5448 * collect2.c (at_file_supplied): New variable.
5449 (response_file): New variable.
5450 (collect_exit): Unlink response_file if necessary.
5451 (handler): Likewise.
5452 (do_wait): Likewise.
5453 (main): Set at_file_supplied if we expanded argv.
5454 (collect_execute): Pass an @-file to subprocesses if we were called
5455 with an @-file argument.
5456 * configure.ac: Add define for HAVE_GNU_LD.
5457 * configure: Regenerate.
5458 * config.in: Regenerate.
5459
5460 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
5461
5462 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
5463 operand to HI mode.
5464 (mulsi3): New.
5465 (divsi3): New.
5466 (udivsi3): New.
5467
5468 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
5469
5470 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5471 (TARGET_ENCODE_SECTION_INFO): Re-define.
5472 (m32c_encode_section_info): New
5473 (function_vector_handler): New
5474 (current_function_special_page_vector): New
5475 (m32c_special_page_vector_p): New.
5476 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
5477 Prototype.
5478 * config/m32c/jump.md: Added instruction JSRS for functions
5479 with attribute "function_vector".
5480 * doc/extend.texi (function_vector): Added description
5481 for M16C, M32C targets.
5482
5483 2007-05-07 DJ Delorie <dj@redhat.com>
5484
5485 PR 31794
5486 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
5487 ashrpsi3, lshrpsi3): Update shift count constraint.
5488
5489 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
5490 Nathan Froyd <froydnj@codesourcery.com>
5491
5492 PR 22133
5493 * c-incpath.c (add_path): Strip trailing path separators.
5494
5495 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
5496
5497 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
5498 Free dominance info before purging EH edges.
5499 (eliminate_degenerate_phis): Likewise.
5500 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
5501
5502 2007-05-07 Jan Hubicka <jh@suse.cz>
5503
5504 * gimplify.c (gimplify_expr): Do not crash when folding
5505 (void *)(int)&a + 4.
5506
5507 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5508
5509 PR driver/31694
5510 * c-opts.c (lang_fortran): Make it non static.
5511 * c-common.h (lang_fortran): New prototype.
5512 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
5513 -lang-fortran option was passed by the driver.
5514
5515 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
5516
5517 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
5518 of ASSERT_CHECKING. Tweak message.
5519
5520 2007-05-06 Revital Eres <eres@il.ibm.com>
5521
5522 PR 30957
5523 * loop-unroll.c (insert_var_expansion_initialization):
5524 Initialize the expansions with -zero instead of +zero.
5525
5526 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
5527
5528 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
5529 into pic and non-pic versions. Mark r19 as used for
5530 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
5531 for tgd_load, tld_load and tie_load .
5532 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
5533 version of tgd_load, tld_load and tie_load depending on the
5534 value of flag_pic.
5535
5536 2007-05-04 Ulrich Drepper <drepper@redhat.com>
5537 Jakub Jelinek <jakub@redhat.com>
5538
5539 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
5540 (__do_global_dtors_aux): Use more paranoid loop to run
5541 destructors if HIDDEN_DTOR_LIST_END.
5542 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
5543
5544 2007-05-04 Jakub Jelinek <jakub@redhat.com>
5545
5546 * varasm.c (align_variable): Don't increase alignment for
5547 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
5548 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
5549
5550 2007-05-04 Josh Conner <jconner@apple.com>
5551
5552 * basic-block.h (cdi_direction): Assign values to all enumeration
5553 constants.
5554 (dom_computed): Remove.
5555 (dom_info_state): New.
5556 (set_dom_info_availability): New.
5557 * tree-ssa-loop-im.c (determine_invariantness): Initialize
5558 walk_data.dom_direction.
5559 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
5560 instead of dom_computed[].
5561 (split_edge): Likewise.
5562 (create_basic_block): Likewise.
5563 (merge_blocks): Likewise.
5564 * ifcvt.c (find_if_header): Likewise.
5565 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
5566 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5567 * tree-ssa.c (verify_ssa): Likewise.
5568 * tree-cfg.c (tree_verify_flow_info): Likewise.
5569 (remove_edge_and_dominated_blocks): Likewise.
5570 * dominance.c (dom_computed): Make static.
5571 (calc_dfs_tree_nonrec): Change third param to a bool.
5572 (calc_dfs_tree): Change second param to a bool.
5573 (calc_idioms): Change second param to a bool. Use
5574 dom_convert_dir_to_idx.
5575 (init_dom_info): Validate dir before using.
5576 (dom_convert_dir_to_idx): New.
5577 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
5578 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
5579 (free_dominance_info): Use dom_convert_dir_to_idx.
5580 (get_immediate_dominator): Likewise.
5581 (set_immediate_dominator): Likewise.
5582 (get_dominated_by): Likewise.
5583 (redirect_immediate_dominators): Likewise.
5584 (nearest_common_denominator): Likewise.
5585 (dominated_by_p): Likewise.
5586 (bb_dom_dfs_in): Likewise.
5587 (bb_dom_dfs_out): Likewise.
5588 (recount_dominator): Likewise.
5589 (iterate_fix_dominators): Likewise.
5590 (add_to_dominance_info): Likewise.
5591 (delete_from_dominance_info): Likewise.
5592 (first_dom_son): Likewise.
5593 (next_dom_son): Likewise.
5594 (dom_info_available_p): Likewise.
5595 (dom_info_state): New.
5596 (set_dom_info_availability): New.
5597
5598 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5599
5600 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
5601 Expander removed.
5602 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
5603
5604 2007-05-04 Bob Wilson <bob.wilson@acm.org>
5605
5606 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
5607 (subdi3, subdi_carry): Delete.
5608
5609 2007-05-04 Jan Hubicka <jh@suse.cz>
5610 Richard Guenther <rguenther@suse.de>
5611
5612 * opts.c (decode_options): Do not fiddle with inlining
5613 parameters in case of optimizing for size.
5614 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
5615 for size do nothing.
5616 (cgraph_decide_inlining_of_small_function): When optimizing for
5617 size never inline functions increasing caller size.
5618 (cgraph_early_inlining): Inline for size when optimizing for size.
5619
5620 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
5621
5622 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
5623 logical operations piecewise.
5624 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
5625 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
5626 subdi_sesidi_di): Delete.
5627 (add_with_carry): Produce carry in CC instead of a DREG to shorten
5628 the generated sequence. Allow three-reg add in constraints. Rewrite
5629 the rtl expression for carry to avoid zero_extend of a constant.
5630 (sub_with_carry): New pattern.
5631 (adddi3, subdi3): Change into define_expand. For subtract, generate a
5632 different sequence not involving jumps.
5633 (notbi): Now a named pattern.
5634
5635 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
5636
5637 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
5638 Add the note about a significant loss of accuracy of some
5639 mathematical routines when these options are used.
5640
5641 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5642
5643 * haifa-sched.c (rtx_vec_t): New typedef.
5644 (contributes_to_priority_p): Extract piece of priority () into new
5645 static function.
5646 (priority): Use the function. Add assertion.
5647 (rank_for_schedule, set_priorities): Add assertion to check that
5648 insn's priority is initialized.
5649 (clear_priorities, calc_priorities): Change signature. Make it update
5650 all relevant insns. Update all callers ('add_to_speculative_block ()'
5651 and 'create_block_check_twin ()').
5652 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
5653 Add new field 'priority_status'.
5654 (INSN_PRIORITY_STATUS): New macro.
5655 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
5656
5657 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5658
5659 * sched-ebb.c (debug_ebb_dependencies): New static function.
5660 (init_ready_list): Use it.
5661
5662 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
5663 with changed signature and 'debug_rgn_dependencies ()'.
5664 (debug_rgn_dependencies): New static function.
5665 (init_ready_list): Use it.
5666
5667 * sched-int.h (debug_dependencies): Declare.
5668
5669 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5670
5671 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
5672
5673 2007-05-04 Dirk Mueller <dmueller@suse.de>
5674
5675 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
5676
5677 2007-05-03 Jan Hubicka <jh@suse.cz>
5678
5679 * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
5680 for pointer type in more cases than before.
5681
5682 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
5683
5684 * tree-object-size.c (plus_expr_object_size): When operand size is
5685 unknown, return unknown.
5686
5687 2007-05-03 Dirk Mueller <dmueller@suse.de>
5688
5689 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
5690
5691 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
5692 options.
5693
5694 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
5695
5696 2007-05-03 Janis Johnson <janis187@us.ibm.com>
5697
5698 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
5699
5700 2007-05-03 Joseph Myers <joseph@codesourcery.com>
5701
5702 * config/soft-fp/double.h, config/soft-fp/extended.h,
5703 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
5704 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
5705 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
5706 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
5707 glibc CVS.
5708
5709 2007-05-03 Ian Lance Taylor <iant@google.com>
5710
5711 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
5712 MASK_PPC_GFXOPT for 8540 or 8548.
5713
5714 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5715
5716 * tree-vect-transform.c (vect_update_inits_of_drs): Use
5717 vect_print_dump_info() to output debug information.
5718
5719 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5720
5721 PR target/31768
5722 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
5723 operands of size 2 when operand is not MEM_P.
5724
5725 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5726
5727 PR tree-optimization/30565
5728 * lambda-code.c (perfect_nestify): Fix updating of dominators.
5729
5730 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
5731
5732 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
5733 (umulsi3_highpart): Use them.
5734 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
5735 for final accumulator to D regisster tranfser.
5736
5737 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
5738
5739 PR tree-optimization/31699
5740 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
5741 code.
5742 (vect_enhance_data_refs_alignment): Compute peel amount using
5743 TYPE_VECTOR_SUBPARTS instead of vf.
5744 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
5745
5746 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
5747
5748 PR bootstrap/31776
5749 * system.h: Remove inclusion of double-int.h
5750 * tree.h: Include double-int.h
5751 * gengtype.c: Likewise
5752 * cfgloop.h: Likewise
5753 * Makefile.in: Adjust dependencies on double-int.h
5754
5755 2007-05-02 Eric Christopher <echristo@apple.com>
5756
5757 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
5758 -shared to -Zdynamiclib.
5759
5760 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
5761
5762 PR c++/31663
5763 * c-common.c (strip_pointer_or_array_types): New function.
5764 * c-common.h (strip_pointer_or_array_types): New function declaration.
5765
5766 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5767
5768 PR tree-optimization/31771
5769 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
5770
5771 2007-05-02 Paul Brook <paul@codesourcery.com>
5772
5773 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
5774
5775 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5776
5777 PR middle-end/29715
5778 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
5779 transformation.
5780
5781 2007-05-02 Nick Clifton <nickc@redhat.com>
5782
5783 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
5784
5785 2007-05-02 Richard Guenther <rguenther@suse.de>
5786
5787 PR tree-optimization/31146
5788 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
5789 argument, single_use_p. If we have a single use that is
5790 a conversion to the definition rhs type, propagate that rhs.
5791 (forward_propagate_addr_expr): Pass single_use_p argument
5792 to forward_propagate_addr_expr_1.
5793
5794 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
5795
5796 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
5797 variable.
5798
5799 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5800
5801 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
5802 'AMD Family 10 core'.
5803
5804 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5805
5806 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
5807 and athlon64-sse3 as improved versions of k8, opteron and athlon64
5808 with SSE3 instruction set support.
5809 * doc/invoke.texi: Likewise.
5810
5811 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5812
5813 * config/i386/i386.c (override_options): Tuning 32-byte loop
5814 alignment for amdfam10 architecture. Increasing the max loop
5815 alignment to 24 bytes.
5816
5817 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
5818
5819 * config/m68k/constraints.md: New.
5820 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
5821 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
5822 EXTRA_CONSTRAINT): Remove.
5823 * config/m68k/m68k.md: Include constraints.md.
5824 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
5825
5826 2007-05-01 Ian Lance Taylor <iant@google.com>
5827
5828 PR tree-optimization/31739
5829 * tree-vrp.c (vrp_val_is_max): New static function.
5830 (vrp_val_is_min): New static function.
5831 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
5832 copying the node.
5833 (set_value_range): Use vrp_val_is_{max,min}.
5834 (extract_range_from_assert): Likewise.
5835 (extract_range_from_binary_expr): Likewise.
5836 (extract_range_from_unary_expr): Likewise.
5837 (dump_value_range, vrp_meet): Likewise.
5838 (vrp_visit_phi_node): Likewise.
5839 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
5840
5841 2007-05-01 Mark Mitchell <mark@codesourcery.com>
5842
5843 * config/i386/gmon-sol2.c (size_t): New type.
5844 (intptr_t): Likewise.
5845 (s_textsize): Declare as size_t.
5846 (sbrk): Declare.
5847 (monstartup): Use size_t for sizes.
5848 (_mcount): Save and restore registers.
5849 (internal_mcount): Pass 0 as the first argument to monstartup
5850 in 64-bit mode.
5851 (moncontrol): Convert pointer to appropriately sized integer
5852 before passing to profil.
5853
5854 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5855
5856 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
5857 __NO_FPRS__, not just if _SOFT_DOUBLE.
5858 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
5859 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
5860 also for E500 double.
5861 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
5862 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
5863 && !TARGET_FPRS).
5864
5865 2007-05-01 Richard Guenther <rguenther@suse.de>
5866
5867 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
5868 is NULL.
5869
5870 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5871
5872 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
5873
5874 2007-05-01 Jan Hubicka <jh@suse.cz>
5875
5876 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
5877 invariant.
5878
5879 2007-05-01 Jan Hubicka <jh@suse.cz>
5880
5881 * tree.h (maybe_fold_offset_to_component_ref): Remove.
5882 (maybe_fold_offset_to_reference): Declare.
5883 * fold-const.c (fold_unary): Do not fold
5884 (type *)&A into &A->field_of_type_and_offset_0
5885 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
5886 size is unknown, give up.
5887 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
5888 offsets.
5889 (maybe_fold_offset_to_reference): New.
5890 (maybe_fold_stmt_indirect): Use it.
5891 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
5892 * gimplify.c (gimplify_conversion): Canonicalize conversions to
5893 field references.
5894 (gimplify_expr): Likewise for plus_expr.
5895
5896 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5897
5898 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
5899 bsi_after_labels. Always insert statements before bsi.
5900 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5901 * predict.c (apply_return_prediction): Check for empty blocks.
5902 * cfgexpand.c (lab_rtx_for_bb): New variable.
5903 (label_rtx_for_bb): Do not create new tree labels.
5904 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
5905 (tree_expand_cfg): Initialize lab_rtx_for_bb.
5906 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
5907 creating edges.
5908 (label_for_bb): Add field used.
5909 (update_eh_label, main_block_label): Mark the label used.
5910 (cleanup_dead_labels): Remove unused labels.
5911
5912 2007-05-01 Richard Guenther <rguenther@suse.de>
5913
5914 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
5915 if it is not about to be set.
5916 (get_value_range): Do not pre-allocate equiv bitmap.
5917 (update_value_range): No need to clear equiv field.
5918 (add_equivalence): Change prototype to get bitmap pointer.
5919 Allocate bitmap here if it is not already.
5920 (extract_range_from_assert): Do not allocate bitmap here.
5921 Update callers to add_equivalence.
5922 (extract_range_from_ssa_name): Likewise.
5923 (get_vr_for_comparison): New static helper.
5924 (compare_name_with_value): Handle NULL equiv bitmap by
5925 peeling the first iteration of the comparison loop.
5926 Use get_vr_for_comparison.
5927 (compare_names): Handle NULL equiv bitmaps by using fake
5928 ones. Use get_vr_for_comparison.
5929
5930 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
5931
5932 * double-int.c (mpz_set_double_int): Moved from
5933 tree-ssa-loop-niter.c.
5934 (mpz_get_double_int): Likewise; also, add option to wrap
5935 out-of-range integers.
5936 * double-int.h: New prototypes for above.
5937 * tree.c (get_static_type_bounds): Moved from
5938 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
5939 TYPE_MAX_VALUE if they exist..
5940 * tree.h: New prototype for above.
5941 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
5942 get_type_bounds calls.
5943 (mpz_set_double_int): Move to double-int.c.
5944 (get_type_bounds): Move to tree.c, rename to
5945 get_static_type_bounds.
5946 (mpz_to_double_int): Move to double-int.c, rename to
5947 mpz_get_double_int.
5948
5949 2007-04-30 Bob Wilson <bob.wilson@acm.org>
5950
5951 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
5952 DIV0 exception can fall through to a normal return.
5953
5954 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
5955
5956 PR middle-end/22156
5957 Temporarily revert:
5958 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
5959 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
5960 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
5961 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
5962 initialize align to silence bogus warning.
5963 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
5964 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
5965 all_no_warning.
5966 (struct sra_walk_fns): Remove use_all parameter from use.
5967 (sra_hash_tree): Handle BIT_FIELD_REFs.
5968 (sra_elt_hash): Don't hash bitfld blocks.
5969 (sra_elt_eq): Skip them in parent compares as well. Handle
5970 BIT_FIELD_REFs.
5971 (sra_walk_expr): Don't maintain or pass down use_all_p.
5972 (scan_use): Remove use_all parameter.
5973 (scalarize_use): Likewise. Re-expand assignment to
5974 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
5975 output, and re-scalarize after output. Don't mark anything
5976 for no warning.
5977 (scalarize_ldst): Adjust.
5978 (scalarize_walk_gimple_modify_statement): Likewise.
5979 (build_element_name_1): Handle BIT_FIELD_REFs.
5980 (instantiate_element): Don't warn for any element whose parent
5981 is used as a whole.
5982 (instantiate_missing_elements_1): Return the sra_elt.
5983 (canon_type_for_field): New.
5984 (try_instantiate_multiple_fields): New.
5985 (instantiate_missing_elemnts): Use them.
5986 (mark_no_warning): Removed.
5987 (generate_one_element_ref): Handle BIT_FIELD_REFs.
5988 (REPLDUP, sra_build_elt_assignment): New.
5989 (generate_copy_inout): Use them.
5990 (generate_element_copy): Likewise. Handle bitfld differences.
5991 (generate_element_zero): Don't recurse for blocks. Use
5992 sra_build_elt_assignment.
5993 (generate_one_element_int): Take elt instead of var. Use
5994 sra_build_elt_assignment.
5995 (generate_element_init_1): Adjust.
5996 (scalarize_use, scalarize_copy): Use REPLDUP.
5997 (scalarize_ldst): Move assert before dereference.
5998 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
5999
6000 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
6001
6002 PR C++/31721
6003 * tree.c (reconstruct_complex_type): Reconstruct a reference
6004 correctly.
6005 Also use the same mode for the pointer as the old pointer type.
6006
6007 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6008
6009 * doc/trouble.texi (Interoperation): Remove note about Ultrix
6010 Fortran compiler.
6011
6012 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
6013
6014 PR rtl-optimization/31676
6015 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
6016 (df_refs_record): Call it.
6017
6018 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
6019
6020 * rtl.def (SS_ABS): New code.
6021 * config/bfin/bfin.c (print_operand): New modifier 'v'.
6022 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
6023 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
6024 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
6025 (bfin_init_builtins): Define them.
6026 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
6027 (bfin_expand_builtin): ... and handle the others here.
6028 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
6029 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
6030 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
6031 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
6032 operand is only HImode.
6033
6034 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
6035
6036 * regclass.c (scan_one_insn): Remove splitting of
6037 two address insns.
6038
6039 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
6040 Nigel Stephens <nigel@mips.com>
6041
6042 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6043
6044 2007-04-28 Jan Hubicka <jh@suse.cz>
6045
6046 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
6047 insn_locators_alloc instead of insn_locators_initialize;
6048 call reset_block_changes.
6049 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6050 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
6051 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
6052 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
6053 * config/score/score.c (th_output_mi_thunk): Likewise.
6054 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
6055 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
6056 tolerate uninitialized locator info.
6057
6058 Re-apply:
6059 * function.c (init_function_start): Don't init line number info.
6060 (expand_function_end): Update.
6061 (reset_block_changes, record_block_change, finalize_block_changes,
6062 check_block_change, free_block_changes): Kill.
6063 * function.h (reset_block_changes, record_block_change,
6064 finalize_block_changes, check_block_change, free_block_changes): Remove
6065 prototypes.
6066 (struct function): Remove ib_boundaries_block.
6067 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6068 Use curr_insn_locator to initialize locator.
6069 (emit_line_note): Remove.
6070 * cfgexpand.c (expand_gimple_cond_expr): Update.
6071 (construct_exit_block): Likewise.
6072 (tree_expand_cfg): Initialize/finalize locators.
6073 * expr.c (expand_expr_real): Update.
6074 * cfglayout.c (line_locators_locs, line_locators_lines,
6075 file_locators_locs, file_locators_files): Remove.
6076 (set_block_levels): Move to cfgexpand.c.
6077 (insn_locators_initialize): Remove.
6078 (pass_insn_locators_initialize): Remove.
6079 (locations_locators_locs, locations_locators_vals): New static vars.
6080 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6081 Likewise.
6082 (insn_locators_alloc, insn_locators_finalize,
6083 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6084 New functions.
6085 (locator_location): New.
6086 (locator_line, locator_file): Rewrite.
6087 * rtl.h (emit_line_note): Kill.
6088 (insn_locators_alloc, insn_locators_finalize,
6089 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6090 Declare.
6091 * tree-inline.c (initialize_cfun): Do not initialize
6092 ib_boundaries_block.
6093 * passes.c (pass_insn_locators_initialize): Remove.
6094
6095 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
6096
6097 * tree-cfg.c (move_block_to_fn): Release bb from dominance
6098 info. Update last_basic_block correctly.
6099
6100 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
6101
6102 PR target/31701
6103 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
6104 register itself to hold the offset constant. Tell flow the use
6105 of r4 and r5 when they are used.
6106
6107 2007-04-27 Richard Guenther <rguenther@suse.de>
6108
6109 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
6110 if we simplified anything.
6111 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
6112 warnings until we did a simplification and the stmt was not
6113 marked as TREE_NO_WARNING.
6114
6115 2007-04-27 Mike Stump <mrs@apple.com>
6116
6117 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
6118
6119 2007-04-27 Ian Lance Taylor <iant@google.com>
6120
6121 PR middle-end/31710
6122 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
6123 TYPE_MAX_VALUE exist, convert them to the new type.
6124
6125 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6126
6127 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
6128 if it claims to be available.
6129 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
6130 edge is redirected.
6131 (perform_tree_ssa_dce): Always free postdominators.
6132
6133 2007-04-27 Richard Henderson <rth@redhat.com>
6134
6135 * config/alpha/predicates.md (aligned_memory_operand): Mark
6136 as define_special_predicate.
6137 (unaligned_memory_operand, normal_memory_operand): Likewise.
6138 (reg_or_unaligned_mem_operand): Remove.
6139 (any_memory_operand): Match the documentation and check for
6140 non-renumbered pseudos during reload.
6141 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
6142 alpha_secondary_reload_class, update to new interface, make static.
6143 Handle CQImode like HImode. Remove FP subreg check.
6144 (alpha_expand_mov): Use replace_equiv_address.
6145 (alpha_expand_mov_nobwx): Use any_memory_operand.
6146 (TARGET_SECONDARY_RELOAD): New.
6147 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
6148 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6149 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
6150 * config/alpha/alpha.md: ... here.
6151 (RELOAD12, reloadmode): New.
6152 (movcqi): New.
6153 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
6154 Don't handle the aligned case here.
6155 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
6156 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
6157 reload_inhi_help. Don't expect a scratch register.
6158 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
6159 reload_outhi_help.
6160 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
6161
6162 2007-04-27 Richard Guenther <rguenther@suse.de>
6163
6164 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
6165
6166 2007-04-27 Richard Guenther <rguenther@suse.de>
6167
6168 PR tree-optimization/30965
6169 PR tree-optimization/30978
6170 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
6171 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
6172 (find_equivalent_equality_comparison): Likewise.
6173 (simplify_cond): Likewise.
6174 (get_prop_source_stmt): New helper.
6175 (get_prop_dest_stmt): Likewise.
6176 (can_propagate_from): Likewise.
6177 (remove_prop_source_from_use): Likewise.
6178 (combine_cond_expr_cond): Likewise.
6179 (forward_propagate_comparison): New function.
6180 (forward_propagate_into_cond): Rewrite to use fold for
6181 tree combining.
6182 (tree_ssa_forward_propagate_single_use_vars): Call
6183 forward_propagate_comparison to propagate comparisons.
6184
6185 2007-04-27 Richard Guenther <rguenther@suse.de>
6186
6187 PR tree-optimization/31715
6188 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
6189 sure to do computation on the offset in an appropriate
6190 signed type.
6191
6192 2007-04-27 Richard Sandiford <richard@codesourcery.com>
6193
6194 * reload.h (elimination_target_reg_p): Declare.
6195 * reload.c (find_reloads): Don't apply the reg_rtx move
6196 optimization if the SET_DEST satisfies elimination_target_reg_p.
6197 * reload1.c (elimination_target_reg_p): New function.
6198 (gen_reload): In the move/add2 fallback, make sure that op0
6199 does not overlap the destination register.
6200
6201 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6202
6203 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
6204 transform only GIMPLE_MODIFY_STMTs.
6205 * tree-complex.c (expand_complex_operations_1): Ditto.
6206 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
6207 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
6208 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
6209 branches.
6210 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6211 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
6212 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
6213 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
6214 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
6215 slpeel_add_loop_guard): Ditto.
6216 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6217 * lambda-code.c (perfect_nestify): Ditto.
6218 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
6219 before the first statement.
6220 * tree-optimize.c (execute_free_datastructures): Fix comments.
6221 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
6222 * tree-flow.h (disband_implicit_edges): Declaration removed.
6223 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
6224 branches.
6225 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
6226 without gotos.
6227 (disband_implicit_edges, has_label_p): Removed.
6228 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
6229 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
6230 branches.
6231 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
6232 side effects.
6233 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
6234 also for COND_EXPRs.
6235 * cfgexpand.c (label_rtx_for_bb): New function.
6236 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
6237 Use label_rtx_for_bb to find the labels.
6238 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
6239 last block. Detect fallthru edges.
6240
6241 2007-04-26 Ian Lance Taylor <iant@google.com>
6242
6243 PR target/28675
6244 * reload.c (find_reloads_subreg_address): If the address was valid
6245 in the original mode but not in the new mode, reload the whole
6246 address.
6247
6248 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6249
6250 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
6251 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
6252 (cleanup_control_expr_graph): Do not invalidate dominance info.
6253 Record altered blocks.
6254 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
6255 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
6256 cleanup_tree_cfg_bb): New functions.
6257 (remove_forwarder_block): Do not maintain the worklist of blocks.
6258 Record altered blocks.
6259 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
6260 not over whole cfg.
6261 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
6262 delete_unreachable_blocks if dominators are not available.
6263 * tree-inline.c (optimize_inline_calls): Free dominance information
6264 earlier.
6265 * tree-flow.h (remove_edge_and_dominated_blocks,
6266 cfgcleanup_altered_bbs): Altered.
6267 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
6268 blocks.
6269 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
6270 functions.
6271 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
6272 do not invalidate dominators.
6273
6274 2007-04-26 Anatoly Sokolov <aesok@post.ru>
6275
6276 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
6277 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
6278 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6279 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6280
6281 2007-04-26 Steve Ellcey <sje@cup.hp.com>
6282
6283 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
6284
6285 2007-04-26 Richard Guenther <rguenther@suse.de>
6286
6287 PR tree-optimization/31703
6288 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
6289 the right type for the target of the bittest.
6290
6291 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6292
6293 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
6294 ix86_sol10_return_in_memory.
6295
6296 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6297
6298 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
6299 variables.
6300
6301 2007-04-26 Jakub Jelinek <jakub@redhat.com>
6302
6303 PR c++/31598
6304 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
6305
6306 PR tree-optimization/30558
6307 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
6308 clear this_state.prev_try.
6309
6310 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6311 Mark Mitchell <mark@codesourcery.com>
6312
6313 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
6314 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
6315 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
6316
6317 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6318
6319 PR driver/31107
6320 * doc/invoke.texi (%:print-asm-header): Document.
6321 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
6322 and -ftarget-help.
6323 (static_spec_functions): Add print-asm-header.
6324 (main): Print a banner before the --target-help linker options.
6325 (print_asm_header_spec_function): New function.
6326
6327 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
6328
6329 PR target/31403
6330 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
6331 (movsf_ie): Likewise.
6332
6333 2007-04-25 Paolo Carlini <pcarlini@suse.de>
6334
6335 * doc/extend.texi ([Type Traits]): Adjust per N2255.
6336
6337 2007-04-25 Bob Wilson <bob.wilson@acm.org>
6338
6339 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
6340 for divide-by-zero.
6341 (__umodsi3, __modsi3): Likewise.
6342
6343 2007-04-25 Dirk Mueller <dmueller@suse.de>
6344
6345 * c-typeck.c (build_compound_expr): Annotate warning()
6346 call with OPT_Wunused_value.
6347 * tree-ssa.c (warn_uninit): Annotate warning with
6348 OPT_Wunintialized.
6349 * c-common.c (handle_sentinel_attribute): Annotate warning
6350 call with OPT_Wattributes.
6351
6352 2007-04-25 Thiemo Seufer <ths@mips.com>
6353
6354 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
6355 (mips16): Fix typo.
6356 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
6357 on to the assembler. Improve handling of -mno-mips16. Add handling
6358 of -mno-mips3d, -mno-dsp, -mno-dspr2.
6359 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
6360 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
6361 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
6362
6363 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
6364
6365 PR target/31680
6366 * config/i386/winnt.c (i386_pe_file_end): Strip only
6367 USER_LABEL_PREFIX when writing export name.
6368
6369 2007-04-25 Richard Sandiford <richard@codesourcery.com>
6370
6371 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
6372 sh/elf.h, vx-common.h and vxworks.h.
6373 * config/sh/sh.h: Include config/vxworks-dummy.h.
6374 (SUBTARGET_OVERRIDE_OPTIONS): Define.
6375 (OVERRIDE_OPTIONS): Use it.
6376 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
6377 (vxworks_picreg): New pattern.
6378 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
6379 VXWORKS_OS_CPP_BUILTINS.
6380 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
6381 to their VXWORKS_* equivalents.
6382 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
6383 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
6384 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
6385 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
6386 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
6387 -mrtp/-fPIC multilibs.
6388 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
6389 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
6390 (MULTILIB_OSDIRNAMES): Delete.
6391
6392 2007-04-25 Anatoly Sokolov <aesok@post.ru>
6393
6394 PR target/18989
6395 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
6396
6397 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
6398
6399 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
6400 rounding mode to be specified by the caller.
6401 (real_to_mpfr) Likewise.
6402 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
6403 include new arguments.
6404 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
6405
6406 2007-04-24 Ian Lance Taylor <iant@google.com>
6407
6408 PR tree-optimization/31605
6409 * tree-vrp.c (set_value_range): Check that min and max are not
6410 both overflow infinities.
6411 (set_value_range_to_value): New static function.
6412 (extract_range_from_binary_expr): Call set_value_range_to_value.
6413 (extract_range_from_cond_expr): Likewise.
6414 (extract_range_from_expr): Likewise.
6415 (extract_range_from_unary_expr): Likewise. Don't create a range
6416 which overflows on both sides.
6417 (vrp_meet): Check for a useless range.
6418 (vrp_visit_phi_node): If we see a constant which looks like an
6419 overflow infinity, turn off the TREE_OVERFLOW flag.
6420
6421 2007-04-24 Ian Lance Taylor <iant@google.com>
6422
6423 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
6424
6425 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
6426
6427 PR diagnostic/25923
6428 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
6429 diagnostic message is being built.
6430 * tree-pretty-print.c (dump_generic_node): Only write the
6431 formatted text into BUFFER's stream if we are not building a
6432 diagnostic message.
6433 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
6434 dump_generic_node.
6435 * Makefile.in (toplev.o): Depend on tree-pass.h.
6436
6437 2007-04-24 Ian Lance Taylor <iant@google.com>
6438
6439 PR tree-optimization/31602
6440 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
6441 conditionals in the copied loop header.
6442 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
6443 warnings if TREE_NO_WARNING is set.
6444 * doc/invoke.texi (Warning Options): Clarify that
6445 -Wstrict-overflow does not warn about loops.
6446
6447 2007-04-24 Janis Johnson <janis187@us.ibm.com>
6448
6449 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
6450 expand on the comment about _Decimal128 arguments and check the
6451 integer result of the modulus operation; for 64-bit ELF ABI, ensure
6452 that _Decimal128 argument uses even/odd register pair.
6453 (function_arg): Ditto.
6454
6455 2007-04-24 Hui-May Chang <hm.chang@apple.com>
6456
6457 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
6458 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
6459
6460 2007-04-24 Richard Guenther <rguenther@suse.de>
6461 Olga Golovanevsky <olga@il.ibm.com>
6462
6463 * fold-const.c (multiple_of_p): Check for bottom
6464 to be zero.
6465
6466 2007-04-24 Richard Henderson <rth@redhat.com>
6467
6468 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
6469 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
6470 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
6471 looking for non-zero bits shifted out. Avoid a recursive call
6472 when constructing the scalar.
6473 (__floatundisf): Likewise.
6474
6475 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
6476
6477 * dwarf2out.c (field_byte_offset): Move the existing logic
6478 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
6479 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
6480
6481 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6482
6483 PR target/31641
6484 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
6485 argument of 0 for memset.
6486 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
6487 unsigned shift instead of the signed variant.
6488
6489 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6490
6491 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
6492 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
6493 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
6494 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6495 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
6496 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
6497 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
6498 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
6499 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
6500 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
6501 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
6502 "mul<mode>3", "div<mode>3"): Insn definitions added.
6503 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
6504 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
6505 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
6506 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
6507 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
6508 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
6509 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
6510 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
6511 TARGET_FLOAT_FORMAT): Macro definitions removed.
6512 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
6513 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
6514 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
6515 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
6516 (s390_gen_rtx_const_DI): Function removed.
6517 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
6518
6519 2007-04-24 Richard Sandiford <richard@codesourcery.com>
6520
6521 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
6522 over an external ffs function.
6523
6524 2007-04-24 Chao-ying Fu <fu@mips.com>
6525 Richard Sandiford <richard@nildram.co.uk>
6526
6527 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
6528 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
6529 (smadd_widen_optab, umadd_widen_optab): Define.
6530 * optabs.c (init_optabs): Initialize smadd_widen_optab and
6531 umadd_widen_optab.
6532 * genopinit.c (optabs): Fill in smadd_widen_optab and
6533 umadd_widen_optab.
6534 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
6535 and umadd_widen_optab to implement multiply-add sequences.
6536 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
6537 (<u>maddsidi4): ...this. Extend condition to include
6538 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
6539 of operand 0 to "ka" and use the three-operand form of madd<u>
6540 for TARGET_DSPR2.
6541 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
6542 to define_expands.
6543 * config/mips/constraints.md (ka): New register constraint.
6544
6545 2007-04-24 Jan Hubicka <j@suse.cz>
6546
6547 Revert:
6548
6549 2007-04-23 Jan Hubicka <jh@suse.cz>
6550 * function.c (init_function_start): Don't init line number info.
6551 (expand_function_end): Update.
6552 (reset_block_changes, record_block_change, finalize_block_changes,
6553 check_block_change, free_block_changes): Kill.
6554 * function.h (reset_block_changes, record_block_change,
6555 finalize_block_changes, check_block_change, free_block_changes): Remove
6556 prototypes.
6557 (struct function): Remove ib_boundaries_block.
6558 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6559 Use curr_insn_locator to initialize locator.
6560 (emit_line_note): Remove.
6561 * cfgexpand.c (expand_gimple_cond_expr): Update.
6562 (construct_exit_block): Likewise.
6563 (tree_expand_cfg): Initialize/finalize locators.
6564 * expr.c (expand_expr_real): Update.
6565 * cfglayout.c (line_locators_locs, line_locators_lines,
6566 file_locators_locs, file_locators_files): Remove.
6567 (set_block_levels): Move to cfgexpand.c.
6568 (insn_locators_initialize): Remove.
6569 (pass_insn_locators_initialize): Remove.
6570 (locations_locators_locs, locations_locators_vals): New static vars.
6571 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6572 Likewise.
6573 (insn_locators_alloc, insn_locators_finalize,
6574 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6575 New functions.
6576 (locator_location): New.
6577 (locator_line, locator_file): Rewrite.
6578 * rtl.h (emit_line_note): Kill.
6579 (insn_locators_alloc, insn_locators_finalize,
6580 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6581 Declare.
6582 * tree-inline.c (initialize_cfun): Do not initialize
6583 ib_boundaries_block.
6584 * passes.c (pass_insn_locators_initialize): Remove.
6585
6586 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
6587
6588 * doc/invoke.texi: Removed leading '-' from option index entries.
6589
6590 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
6591
6592 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
6593 Use phi_nodes_ptr.
6594 (create_phi_node): Use set_phi_nodes.
6595 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
6596 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
6597 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
6598 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
6599 (bsi_start, bsi_last): Use bb_stmt_list.
6600 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
6601 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
6602 Traverse the statements using tsi iterator.
6603 * basic-block.h (struct basic_block_def): Fields stmt_list
6604 and phi_nodes moved to ...
6605 (struct tree_bb_info): ... new structure.
6606 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
6607 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
6608 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
6609 (tree_verify_flow_info): Verify that il.tree is not set for
6610 entry and exit block.
6611 (tree_split_block): Use set_bb_stmt_list.
6612
6613 2007-04-23 Mike Stump <mrs@apple.com>
6614
6615 * config/i386/i386.c (ix86_tune_features
6616 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
6617 nocona and core2.
6618
6619 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6620
6621 * config/i386/i386.md (prefix_extra): New attribute.
6622 (length): Add prefix_extra.
6623
6624 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
6625 (sse2_movntv2di): Likewise.
6626 (sse2_cvtps2dq): Likewise.
6627 (sse2_cvtpd2pi): Likewise.
6628 (sse2_cvttpd2pi): Likewise.
6629 (*sse2_cvtpd2ps): Likewise.
6630 (*add<mode>3): Likewise.
6631 (sse2_ssadd<mode>3): Likewise.
6632 (sse2_usadd<mode>3): Likewise.
6633 (*sub<mode>3): Likewise.
6634 (sse2_sssub<mode>3): Likewise.
6635 (sse2_ussub<mode>3): Likewise.
6636 (*mulv8hi3): Likewise.
6637 (*smulv8hi3_highpart): Likewise.
6638 (*umulv8hi3_highpart): Likewise.
6639 (sse2_umulv2siv2di3): Likewise.
6640 (sse2_pmaddwd): Likewise.
6641 (ashr<mode>3): Likewise.
6642 (lshr<mode>3): Likewise.
6643 (ashl<mode>3): Likewise.
6644 (sse2_ashlti3): Likewise.
6645 (sse2_lshrti3): Likewise.
6646 (*umaxv16qi3): Likewise.
6647 (*smaxv8hi3): Likewise.
6648 (*uminv16qi3): Likewise.
6649 (*sminv8hi3): Likewise.
6650 (sse2_eq<mode>3): Likewise.
6651 (sse2_gt<mode>3): Likewise.
6652 (*and<mode>3): Likewise.
6653 (sse2_nand<mode>3): Likewise.
6654 (*ior<mode>3): Likewise.
6655 (*xor<mode>3): Likewise.
6656 (sse2_packsswb): Likewise.
6657 (sse2_packssdw): Likewise.
6658 (sse2_packuswb): Likewise.
6659 (sse2_punpckhbw): Likewise.
6660 (sse2_punpcklbw): Likewise.
6661 (sse2_punpckhwd): Likewise.
6662 (sse2_punpcklwd): Likewise.
6663 (sse2_punpckhdq): Likewise.
6664 (sse2_punpckldq): Likewise.
6665 (sse2_punpckhqdq): Likewise.
6666 (sse2_punpcklqdq): Likewise.
6667 (*sse2_pinsrw): Likewise.
6668 (*sse2_pextrw): Likewise.
6669 (sse2_pshufd_1): Likewise.
6670 (sse2_uavgv16qi3): Likewise.
6671 (sse2_uavgv8hi3): Likewise.
6672 (sse2_psadbw): Likewise.
6673 (sse2_pmovmskb): Likewise.
6674 (*sse2_maskmovdqu): Likewise.
6675 (*sse2_maskmovdqu_rex64): Likewise.
6676 (sse4a_extrqi): Likewise.
6677 (sse4a_extrq): Likewise.
6678 (sse3_lddqu): Set prefix_rep.
6679 (sse3_addsubv4sf3): Likewise.
6680 (sse3_haddv4sf3): Likewise.
6681 (sse3_hsubv4sf3): Likewise.
6682 (sse_cvtss2si): Likewise.
6683 (sse_cvtss2si_2): Likewise.
6684 (sse_cvtss2siq): Likewise.
6685 (sse_cvtss2siq_2): Likewise.
6686 (sse_cvttss2si): Likewise.
6687 (sse_cvttss2siq): Likewise.
6688 (sse2_cvttps2dq): Likewise.
6689 (sse3_movshdup): Likewise.
6690 (sse3_movsldup): Likewise.
6691 (sse2_cvtsd2si): Likewise.
6692 (sse2_cvtsd2si_2): Likewise.
6693 (sse2_cvtsd2siq): Likewise.
6694 (sse2_cvtsd2siq_2): Likewise.
6695 (sse2_cvttsd2si): Likewise.
6696 (sse2_cvttsd2siq): Likewise.
6697 (*sse2_cvtpd2dq): Likewise.
6698 (*sse2_cvttpd2dq): Likewise.
6699 (sse2_pshuflw_1): Likewise.
6700 (sse2_pshufhw_1): Likewise.
6701 (sse4a_insertqi): Likewise.
6702 (sse4a_insertq): Likewise.
6703 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
6704 (ssse3_phadddv4si3): Likewise.
6705 (ssse3_phaddswv8hi3): Likewise.
6706 (ssse3_phsubwv8hi3): Likewise.
6707 (ssse3_phsubdv4si3): Likewise.
6708 (ssse3_phsubswv8hi3): Likewise.
6709 (ssse3_pmaddubswv8hi3): Likewise.
6710 (ssse3_pmulhrswv8hi3): Likewise.
6711 (ssse3_pshufbv16qi3): Likewise.
6712 (ssse3_psign<mode>3): Likewise.
6713 (ssse3_palignrti): Likewise.
6714 (abs<mode>2): Likewise.
6715 (ssse3_phaddwv4hi3): Set prefix_extra.
6716 (ssse3_phadddv2si3): Likewise.
6717 (ssse3_phaddswv4hi3): Likewise.
6718 (ssse3_phsubwv4hi3): Likewise.
6719 (ssse3_phsubdv2si3): Likewise.
6720 (ssse3_phsubswv4hi3): Likewise.
6721 (ssse3_pmaddubswv4hi3): Likewise.
6722 (ssse3_pmulhrswv4hi3): Likewise.
6723 (ssse3_pshufbv8qi3): Likewise.
6724 (ssse3_psign<mode>3): Likewise.
6725 (ssse3_palignrdi): Likewise.
6726 (abs<mode>2): Likewise.
6727 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
6728 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
6729 (sse2_pmovmskb): Set mode to SI instead of V2DF.
6730
6731 2007-04-23 Nick Clifton <nickc@redhat.com>
6732
6733 * params.def: Fix formatting of emacs local variables.
6734
6735 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6736
6737 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
6738 move if inter-unit move isn't allowed.
6739 Don't split moving the first element of V2DI to DI to inter-unit
6740 move if inter-unit move isn't allowed.
6741
6742 2007-04-23 Richard Guenther <rguenther@suse.de>
6743
6744 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
6745 and CDI_POST_DOMINATORS separately.
6746
6747 2007-04-23 Nick Clifton <nickc@redhat.com>
6748
6749 * c.opt (Wformat-contains-nul): Add warning attribute.
6750
6751 2007-04-23 Jan Hubicka <jh@suse.cz>
6752
6753 * function.c (init_function_start): Don't init line number info.
6754 (expand_function_end): Update.
6755 (reset_block_changes, record_block_change, finalize_block_changes,
6756 check_block_change, free_block_changes): Kill.
6757 * function.h (reset_block_changes, record_block_change,
6758 finalize_block_changes, check_block_change, free_block_changes): Remove
6759 prototypes.
6760 (struct function): Remove ib_boundaries_block.
6761 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6762 Use curr_insn_locator to initialize locator.
6763 (emit_line_note): Remove.
6764 * cfgexpand.c (expand_gimple_cond_expr): Update.
6765 (construct_exit_block): Likewise.
6766 (tree_expand_cfg): Initialize/finalize locators.
6767 * expr.c (expand_expr_real): Update.
6768 * cfglayout.c (line_locators_locs, line_locators_lines,
6769 file_locators_locs, file_locators_files): Remove.
6770 (set_block_levels): Move to cfgexpand.c.
6771 (insn_locators_initialize): Remove.
6772 (pass_insn_locators_initialize): Remove.
6773 (locations_locators_locs, locations_locators_vals): New static vars.
6774 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6775 Likewise.
6776 (insn_locators_alloc, insn_locators_finalize,
6777 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6778 New functions.
6779 (locator_location): New.
6780 (locator_line, locator_file): Rewrite.
6781 * rtl.h (emit_line_note): Kill.
6782 (insn_locators_alloc, insn_locators_finalize,
6783 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6784 Declare.
6785 * tree-inline.c (initialize_cfun): Do not initialize
6786 ib_boundaries_block.
6787 * passes.c (pass_insn_locators_initialize): Remove.
6788
6789 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
6790
6791 PR middle-end/31448
6792 * expr.c (reduce_to_bit_field_precision): Handle
6793 CONST_INT rtx's.
6794
6795 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
6796
6797 PR tree-optimization/24659
6798 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
6799 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
6800 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
6801 * genopinit.c (optabs): Rename vec_pack_mod_optab
6802 to vec_pack_trunc_optab.
6803 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
6804 early for scalar floating point operands for NOP_EXPR.
6805 (vectorizable_type_promotion): Ditto.
6806 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
6807 vec_pack_trunc_optab.
6808 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
6809
6810 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
6811 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
6812 Rename from VEC_PACK_MOD_EXPR.
6813 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
6814 * expr.c (expand_expr_real_1): Ditto.
6815 * tree-inline.c (estimate_num_insns_1): Ditto.
6816 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
6817
6818 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
6819 (vec_unpacks_lo_v4sf): Ditto.
6820 (vec_pack_trunc_v2df): Ditto.
6821 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
6822 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6823 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
6824
6825 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
6826 vec_pack_mod_v8hi.
6827 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6828
6829 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
6830 Rename from VEC_PACK_MOD_EXPR. This expression also represent
6831 packing of floating point operands.
6832 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
6833 represent unpacking of floating point operands.
6834 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
6835 [vec_unpacks_hi]: Ditto.
6836 [vec_unpacks_lo]: Ditto.
6837
6838 2007-04-22 Jan Hubicka <jh@suse.cz>
6839
6840 * final.c (rest_of_handle_final): Call
6841 targetm.asm_out.constructor/targetm.asm_out.destructor
6842 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
6843 proper priority via decl_*_priority_insert.
6844 * c-common.c (c_expand_body): Likewise.
6845
6846 2007-04-22 Richard Guenther <rguenther@suse.de>
6847
6848 PR tree-optimization/29789
6849 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
6850 (rewrite_reciprocal): New helper split out from
6851 determine_invariantness_stmt.
6852 (rewrite_bittest): Likewise.
6853 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
6854 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
6855 is not.
6856
6857 2007-04-22 Revital Eres <eres@il.ibm.com>
6858
6859 * loop-unroll.c (var_to_expand): New field to support also
6860 insns of the form x = something + x.
6861 (analyze_insn_to_expand_var): Use it.
6862 (expand_var_during_unrolling): Likewise.
6863
6864 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
6865
6866 * predict.c: Include pointer-set.h.
6867 (bb_predictions): New variable.
6868 (tree_predicted_by_p, tree_predict_edge,
6869 remove_predictions_associated_with_edge): Use bb_predictions map
6870 instead of bb->predictions.
6871 (clear_bb_predictions, assert_is_empty): New functions.
6872 (combine_predictions_for_bb): Use bb_predictions map. Call
6873 clear_bb_predictions.
6874 (tree_estimate_probability): Create and free bb_predictions map.
6875 * Makefile.in (predict.o): Add pointer-set.h dependency.
6876 * basic-block.h (struct basic_block_def): Remove predictions
6877 field.
6878 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
6879
6880 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
6881
6882 PR target/31480
6883 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
6884 is null.
6885
6886 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6887
6888 * timevar.c (timevar_print): Change reference of --disable-checking to
6889 --enable-checking=release. Also warn if assert checking is disabled.
6890
6891 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6892
6893 PR C/30265
6894 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
6895 decl as addressable if the compound literal was marked as
6896 addressable.
6897 Mark the decl as a gimple register if it is a complex or
6898 vector decl and does not live in memory.
6899
6900 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6901
6902 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
6903 (GENERIC_NEXT): New function macro.
6904 (PHI_CHAIN): Use phi_node's new chain variable.
6905 (tree_phi_node): Change tree_common to tree_base
6906 and add the chain field.
6907 * tree-phinodes.c (make_phi_node): Don't set
6908 TREE_TYPE on the new node.
6909 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
6910 instead of checking GIMPLE_TUPLE_P in chain_next.
6911 * tree-vect-transform.c
6912 (get_initial_def_for_induction): Look at
6913 PHI_RESULT_TREE for the type of the phi node.
6914 (update_vuses_to_preheader): Use PHI_CHAIN
6915 instead of TREE_CHAIN on the phi node.
6916 * tree-ssa-structalias.c (compute_points_to_sets):
6917 Likewise.
6918 (ipa_pta_execute): Likewise.
6919
6920 2007-04-21 Richard Guenther <rguenther@suse.de>
6921
6922 PR middle-end/31136
6923 * fold-const.c (fold_unary): Call fold_convert_const on the
6924 original tree.
6925
6926 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
6927
6928 * gcse.c (store_killed_in_insn): Handle PARALLELs.
6929 (store_killed_in_pat): New.
6930
6931 2007-04-20 Richard Henderson <rth@redhat.com>
6932
6933 PR target/31628
6934 * config/i386/i386.c (type_has_variadic_args_p): Look for any
6935 TREE_LIST with a void_type_node value, not void_list_node exactly.
6936
6937 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
6938
6939 * doc/standards.texi: Re-arrange into language-specific
6940 subsections. Add a C++ section, documenting which standards we
6941 support.
6942
6943 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
6944
6945 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
6946 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
6947
6948 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
6949
6950 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
6951 ecrti.o and crtbegin.o.
6952 (LIB_DEFAULT_SPEC): Include -lc.
6953 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
6954
6955 2007-04-20 Richard Henderson <rth@redhat.com>
6956
6957 PR target/28623
6958 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
6959 argument; update all callers.
6960 (get_unaligned_offset): New.
6961 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
6962 get_unaligned_address, just pass on the address directly.
6963 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
6964 the subreg in the helper patterns.
6965 (unaligned_extendqidi_le): Use get_unaligned_offset.
6966 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
6967 (unaligned_extendhidi_be): Likewise.
6968 (unaligned_extendhidi): Tidy.
6969 * config/alpha/alpha-protos.h: Update.
6970
6971 2007-04-20 Richard Henderson <rth@redhat.com>
6972
6973 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
6974 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
6975 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
6976 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
6977 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
6978 (CPP_SPEC): Don't include %(cpp_subtarget).
6979 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
6980 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
6981 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
6982
6983 2007-04-20 Jakub Jelinek <jakub@redhat.com>
6984
6985 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
6986 for __builtin_ia32_cmpordss.
6987
6988 PR tree-optimization/31632
6989 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6990 and arg1 for optimizations of comparison against min/max values.
6991 Fold arg0 to arg1's type for optimizations of comparison against
6992 min+1 and max-1 values.
6993
6994 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
6995
6996 * reload.c (combine_reloads): When trying to use a dying register,
6997 check whether it's uninitialized and don't use if so.
6998
6999 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
7000
7001 * fold-const.c: Remove prototypes for native_encode_expr and
7002 native_interpret_expr.
7003 (native_encode_expr): Make non-static.
7004 (native_interpret_expr): Likewise.
7005 * tree.h: Add prototypes for the above.
7006
7007 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7008
7009 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
7010 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
7011 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
7012 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
7013 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
7014 Add length attributes.
7015
7016 2007-04-19 Janis Johnson <janis187@us.ibm.com>
7017
7018 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
7019 not that it is 1.
7020
7021 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7022 __STDC_WANT_DEC_FP__.
7023
7024 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7025
7026 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
7027 for long double compatibility.
7028 * configure: Regenerate.
7029
7030 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
7031
7032 PR rtl-optimization/29841
7033 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
7034 trap instructions.
7035 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
7036 that may cause control flow transfer from being moved.
7037
7038 2007-04-18 Jan Hubicka <jh@suse.cz>
7039
7040 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
7041 types.
7042
7043 2007-04-18 Eric Christopher <echristo@apple.com>
7044
7045 * config/rs6000/darwin.md (load_macho_picbase): Use link register
7046 only. Update operands.
7047 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
7048 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7049 link register to pic register.
7050
7051 2007-04-18 Dirk Mueller <dmueller@suse.de>
7052
7053 PR diagnostic/31227
7054 * tree-vrp.c (search_for_addr_array): New.
7055 (check_array_bounds): Suppress warning about
7056 address taken of array refs if its not de-referenced.
7057
7058 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7059
7060 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
7061 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
7062
7063 * tree-vectorizer.h (NITERS_KNOWN_P): New.
7064 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
7065 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
7066
7067 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
7068 dump print.
7069 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
7070 print message.
7071 (vect_analyze_scalar_cycles): Fix indentation.
7072 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
7073 (vect_mark_relevant): Include phis in relevance analysis.
7074
7075 * tree-vect-transform.c (vect_transform_loop): Add an assert.
7076
7077 2007-04-18 Anatoly Sokolov <aesok@post.ru>
7078
7079 * config/avr/avr.c (ptrreg_to_str): Replace error() with
7080 output_operand_lossage().
7081
7082 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7083
7084 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
7085 the unused code for reduction without adjust-in-epilog to simplify the
7086 function.
7087
7088 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
7089
7090 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
7091 (S390_TDC_NEGATIVE_ZERO): New constant.
7092 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
7093 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
7094 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
7095 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
7096 (S390_TDC_POSITIVE_INFINITY): New constant.
7097 (S390_TDC_NEGATIVE_INFINITY): New constant.
7098 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
7099 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
7100 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
7101 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
7102 (S390_TDC_INFINITY): New constant.
7103 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
7104 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
7105 optimization for UNSPEC_CCZ_TO_INT.
7106 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
7107 ("*ccz_to_int"): New insn.
7108 ("isinf<mode>2"): New insn.
7109 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
7110 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
7111 (UNSPEC_CCZ_TO_INT): New constant.
7112
7113 2007-04-18 Richard Guenther <rguenther@suse.de>
7114
7115 PR tree-optimization/19431
7116 PR tree-optimization/21463
7117 * tree-pass.h (pass_phiprop): Declare.
7118 * passes.c (init_optimization_passes): New phiprop pass.
7119 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
7120 (phivn_valid_p): New helper function.
7121 (phiprop_insert_phi): Likewise.
7122 (propagate_with_phi): Likewise.
7123 (tree_ssa_phiprop): New propagator propagating loads
7124 through phi nodes if profitable.
7125
7126 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7127
7128 * tree-vect-analyze.c (process_use): New function.
7129 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
7130 Check phis in all bbs.
7131 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
7132 assert.
7133
7134 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
7135
7136 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
7137 we use REG_EQUAL.
7138
7139 2007-04-17 Anatoly Sokolov <aesok@post.ru>
7140
7141 PR target/30483
7142 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
7143 error().
7144
7145 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
7146
7147 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
7148 on "0".
7149 (sse_vmmulv4sf3): Likewise.
7150 (sse2_vmaddv2df3): Likewise.
7151 (sse2_vmmulv2df3): Likewise.
7152
7153 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
7154
7155 PR rtl-optimization/31360
7156 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
7157 (target_reg_cost): New.
7158 (init_set_costs): Initialize target_reg_cost. Add comments
7159 regarding the rationale of the costs.
7160 (global_cost_for_size): Renamed to...
7161 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
7162 of register pressure.
7163 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
7164 estimate_reg_pressure_cost. Add number of ivs.
7165 (determine_set_costs): Dump target_reg_cost.
7166 * loop-invariant.c (gain_for_invariant): Use
7167 estimate_reg_pressure_cost. Removed n_inv_uses argument.
7168 (best_gain_for_invariant, find_invariants_to_move): Remove
7169 n_inv_uses.
7170 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
7171 (target_reg_cost): Declare.
7172 (global_cost_for_size): Declaration removed.
7173 (estimate_reg_pressure_cost): Declare.
7174
7175 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
7176
7177 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
7178 regnos into even/odd register pairs.
7179 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
7180 TDmode similar to the other floating point modes.
7181 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
7182 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
7183 define_expand's.
7184 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
7185 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
7186 (movdd_hardfloat64): Use TARGET_MFPGPR.
7187
7188 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
7189
7190 * reload1.c (delete_output_reload): Don't count output in n_inherited.
7191
7192 Revert
7193 2005-01-05 Richard Henderson <rth@redhat.com>
7194 PR rtl-opt/10692
7195 * reload1.c (do_input_reload): Restrict the optimization deleteing
7196 a previous output reload to RELOAD_FOR_INPUT.
7197
7198 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
7199
7200 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
7201 induc_vec_info_type.
7202 (vectorizable_induction): New function declaration.
7203 * tree-vect-transform.c (get_initial_def_for_induction): No need to
7204 check if already vectorized. Find first place in BB where new stmts
7205 can be inserted. Takes only one argument.
7206 (vectorizable_induction): New function.
7207 (vect_transform_stmt): Add case for induc_vec_info_type to call
7208 vectorizable_induction.
7209 (vect_transform_loop): Consider phis for vectorization.
7210 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
7211 condition.
7212 (analyze_operations): Call vectorizable_induction when analyzing phis.
7213 Fix comment.
7214 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
7215 (vect_mark_relevant): Include phis in relevance analysis.
7216 (vect_mark_stmts_to_be_vectorize): Likewise.
7217 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
7218
7219 2007-04-16 Lawrence Crowl <crowl@google.com>
7220
7221 * doc/invoke.texi (Debugging Options): Add documentation for the
7222 -femit-struct-debug options -femit-struct-debug-baseonly,
7223 -femit-struct-debug-reduced, and
7224 -femit-struct-debug-detailed[=...].
7225
7226 * c-opts.c (c_common_handle_option): Add
7227 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
7228 and OPT_femit_struct_debug_detailed_.
7229 * c.opt: Add specifications for
7230 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
7231 and -femit-struct-debug-detailed[=...].
7232 * opts.c (set_struct_debug_option): Parse the
7233 -femit-struct-debug-... options.
7234 * opts.c (matches_main_base, main_input_basename,
7235 main_input_baselength, base_of_path, matches_main_base): Add
7236 variables and functions to compare header base name to compilation
7237 unit base name.
7238 * opts.c (should_emit_struct_debug): Add to determine to emit a
7239 structure based on the option.
7240 (dump_struct_debug) Also disabled function to debug this
7241 function.
7242 * opts.c (handle_options): Save the base name of the
7243 compilation unit.
7244
7245 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
7246 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
7247 This hook indicates if a type is generic. Set it by default
7248 to "never generic".
7249 * langhooks.h (struct lang_hooks_for_types): Add a new hook
7250 to determine if a struct type is generic or not.
7251 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
7252 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
7253 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
7254 with live C++ hook.
7255
7256 * flags.h (enum debug_info_usage): Add an enumeration to describe
7257 a program's use of a structure type.
7258 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
7259 to indicate the program's usage of the type. Filter structs based
7260 on the -femit-struct-debug-... specification.
7261 (gen_type_die): Split into two routines, gen_type_die and
7262 gen_type_die_with_usage. gen_type_die is now a wrapper
7263 that assumes direct usage.
7264 (gen_type_die_with_usage): Replace calls to gen_type_die
7265 with gen_type_die_with_usage adding the program usage of
7266 the referenced type.
7267 (dwarf2out_imported_module_or_decl): Suppress struct debug
7268 information using should_emit_struct_debug when appropriate.
7269
7270 2007-04-16 Ian Lance Taylor <iant@google.com>
7271
7272 PR tree-optimization/31522
7273 * tree-vrp.c (vr_phi_edge_counts): New static variable.
7274 (vrp_initialize): Allocate vr_phi_edge_counts.
7275 (vrp_visit_phi_node): Don't push to infinity if we saw a new
7276 executable edge. Drop test for all constants.
7277 (vrp_finalize): Free vrp_phi_edge_counts.
7278
7279 * doc/cpp.texi (Common Predefined Macros): Clarify description of
7280 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7281
7282 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
7283 predecessors at head rather than tail.
7284
7285 2007-04-16 Matthias Klose <doko@debian.org>
7286
7287 * config/alpha/linux.h (CPP_SPEC): Define.
7288 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
7289
7290 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
7291
7292 * function.h: Remove sequence_stack extern declaration.
7293
7294 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7295
7296 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
7297 TARGET_FIDOA.
7298 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
7299 defined.
7300
7301 2007-04-16 Anatoly Sokolov <aesok@post.ru>
7302
7303 * config/avr/avr.c (avr_arch_types): Rearranging array.
7304 (enum avr_arch): Add.
7305 (avr_mcu_types): Use avr_arch enumeration constants instead of
7306 numbers.
7307 * config/avr/avr.h (LINK_SPEC): Simplify.
7308
7309 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7310
7311 * config/m68k/m68k.c (m68k_libcall_value,
7312 m68k_function_value): Use macros for register names more.
7313
7314 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
7315 instead.
7316 (M68K_REGNAME): Use A6_REG.
7317 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
7318
7319 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7320
7321 PR middle-end/28071
7322 * sched-int.h (struct deps): Split field 'pending_lists_length' into
7323 'pending_read_list_length' and 'pending_write_list_length'. Update
7324 comment.
7325 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
7326 to handle two length counters instead of one. Update all uses.
7327 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
7328 two length counters instead of one.
7329 * sched-rgn.c (propagate_deps): Update to handle two length counters
7330 instead of one.
7331
7332 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
7333
7334 PR target/31582
7335 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
7336 copy of source, pass it to ix86_expand_vector_set and return
7337 it as target.
7338
7339 2007-04-16 David Ung <davidu@mips.com>
7340 Joseph Myers <joseph@codesourcery.com>
7341
7342 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
7343 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
7344 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
7345 Add 74K processor information.
7346 * config/mips/mips.md: Include 74k.md.
7347 (cpu): Add 74kc,74kf,74kx.
7348 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
7349 * config/mips/74k.md: New.
7350 * doc/invoke.texi (MIPS Options): Document 74K support.
7351
7352 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
7353
7354 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
7355 vectorizable_* functions.
7356 * tree-vect-transform.c (vectorizable_call): Add check for
7357 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
7358 (vectorizable_store): likewise.
7359 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
7360 Add comments.
7361 (vectorizable_operation, vectorizable_type_demotion): Likewise.
7362 (vectorizable_type_promotion, vectorizable_load): Likewise.
7363 (vectorizable_live_operation, vectorizable_condition): Likewise.
7364 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
7365 STMT_VINFO_LIVE_P.
7366 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
7367
7368 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7369
7370 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
7371 register numbers more.
7372 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
7373 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
7374 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
7375 FUNCTION_VALUE_REGNO_P): Likewise.
7376 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
7377 STATIC_CHAIN_REGNUM): Likewise.
7378 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
7379 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
7380 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
7381 * config/m68k/m68k.md (FP_REG): New.
7382
7383 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7384
7385 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
7386 alignment on fido.
7387
7388 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7389
7390 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
7391 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
7392 comment typos.
7393
7394 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7395
7396 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
7397 cold loops.
7398
7399 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
7400
7401 PR c/31520
7402 * c-decl.c (finish_decl): Grab the type of the decl after the call
7403 to store_init_value.
7404
7405 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
7406
7407 * common.opt (fforward-propagate): Fix "Optimization" annotation.
7408
7409 2007-04-14 Jakub Jelinek <jakub@redhat.com>
7410
7411 PR c++/25874
7412 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
7413 post dominators and cleanup cfg before returning.
7414
7415 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
7416
7417 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
7418 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
7419
7420 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
7421
7422 * config.gcc: Recognize fido.
7423 * config/m68k/m68k-devices.def (fidoa): New.
7424 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
7425 __mfido__.
7426 (FL_FIDOA, TARGET_FIDOA): New.
7427 * config/m68k/m68k.opt (mfidoa): New.
7428
7429 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7430
7431 PR middle-end/31322
7432 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
7433 when a personality function is used.
7434
7435 2007-04-13 Bob Wilson <bob.wilson@acm.org>
7436
7437 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
7438
7439 2007-04-13 Mike Stump <mrs@apple.com>
7440
7441 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
7442 we can...
7443 * config/darwin.opt (fapple-kext): Make C++ only.
7444 * config/darwin.c (darwin_override_options): Remove code to ensure
7445 -fapple-kext is given for C++ only.
7446
7447 2007-04-13 Richard Sandiford <richard@codesourcery.com>
7448
7449 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
7450 * config/mips/mips.c (override_options): Call
7451 SUBTARGET_OVERRIDE_OPTIONS, if defined.
7452
7453 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7454
7455 * config/i386/i386.opt (msvr3-shlib): Removed.
7456
7457 * doc/invoke.texi: Remove -msvr3-shlib.
7458
7459 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7460
7461 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
7462 with "popcnt" instruction.
7463
7464 2007-04-13 Richard Guenther <rguenther@suse.de>
7465
7466 PR tree-optimization/21258
7467 * tree-vrp.c (compare_case_labels): New helper.
7468 (find_switch_asserts): New function.
7469 (find_assert_locations): Call it for SWITCH_EXPRs.
7470
7471 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
7472
7473 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
7474 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
7475 check is now implied in X87_FLOAT_MODE_P.
7476 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7477 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7478 (fix_trunc<mode>_i386_fisttp): Ditto.
7479 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7480 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7481 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7482 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7483 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7484 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7485 (unnamed_splitters): Ditto.
7486 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
7487 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
7488 FIRST_SSE_REG for local functions when SSE math is enabled or
7489 for functions with sseregparm attribute.
7490 (standard_80387_constant_p): Return -1 if mode is not
7491 X87_FLOAT_MODE_P.
7492 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
7493 (ix86_expand_compare): Ditto.
7494 (ix86_expand_carry_flag_compare): Ditto.
7495 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
7496 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
7497 DECIMAL_FLOAT_MODE_P.
7498 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
7499 of SCALAR_FLOAT_MODE_P.
7500 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
7501 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
7502 checks before FLOAT_MODE_P.
7503 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
7504 before FLOAT_MODE_P.
7505 [DIV]: Ditto.
7506 [NEG]: Ditto.
7507 [ABS]: Ditto.
7508 [SQRT]: Ditto.
7509 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
7510
7511 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
7512 Charles Wilson <libtool@cwilson.fastmail.fm>
7513
7514 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
7515 (libgcc.mvars): Don't depend on them.
7516 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
7517 * exec-tool.in: New.
7518
7519 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
7520
7521 * doc/invoke.text (--help): Document --help=common.
7522
7523 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
7524
7525 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
7526
7527 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7528
7529 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
7530 * genemit.c (main): Emit #include "integrate.h".
7531 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
7532 (LOADGP_RTP): New mips_loadgp_style.
7533 * config/mips/mips.h: Include config/vxworks-dummy.h.
7534 (TARGET_RTP_PIC): New macro.
7535 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
7536 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
7537 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
7538 for TARGET_RTP_PIC.
7539 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
7540 -mvxworks-pic when using -mrtp and a PIC option.
7541 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
7542 for RTP PIC.
7543 (mips_symbolic_constant_p, mips_symbolic_address_p)
7544 (mips_symbol_insns): Handle SYMBOL_HALF.
7545 (override_options): Warn about -G and -mrtp being used together.
7546 Initialize mips_lo_relocs[SYMBOL_HALF].
7547 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
7548 (mips_emit_loadgp): Handle LOADGP_RTP.
7549 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
7550 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
7551 (tablejump): Handle function-relative case table entries if
7552 TARGET_RTP_PIC.
7553 * config/mips/predicates.md (symbol_ref_operand): New predicate.
7554
7555 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7556
7557 * config/mips/mips.md (load_call<mode>): Allow any general register.
7558 destination.
7559 (sibcall_value_internal, sibcall_value_multiple_internal)
7560 (call_value_internal, call_value_split, call_value_multiple_internal)
7561 (call_value_multiple_split): Remove constraints from operand 0.
7562
7563 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7564
7565 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
7566 rather than loadgp_noshared.
7567 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
7568 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
7569 gen_loadgp.
7570 * config/mips/mips.md (loadgp): Rename to...
7571 (loadgp_newabi): ...this.
7572 (loadgp_noshared): Rename to...
7573 (loadgp_absolute): ...this.
7574
7575 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7576
7577 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
7578 false for locally-binding symbols.
7579 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
7580
7581 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7582
7583 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
7584 (SYMBOL_GOT_PAGE_OFST): ...this.
7585 (SYMBOL_GOT_GLOBAL): Rename to...
7586 (SYMBOL_GOT_DISP): ...this.
7587 (SYMBOL_GOTOFF_GLOBAL): Rename to...
7588 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
7589 * config/mips/mips.c (mips_global_symbol_p): New function.
7590 (mips_symbol_binds_local_p): Likewise.
7591 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
7592 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
7593 and mips_symbol_binds_local_p.
7594 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
7595 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
7596 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
7597 SYMBOL_GOTOFF_DISP.
7598 (mips_ok_for_lazy_binding_p): New function.
7599 (mips_load_call_address, mips_expand_call): Use it.
7600 (mips_dangerous_for_la25_p): Likewise.
7601 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
7602 (*got_disp<mode>): Use got_disp_operand instead of
7603 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
7604 SYMBOL_GOTOFF_GLOBAL.
7605 (*got_page<mode>): Use got_page_ofst_operand instead of
7606 local_got_operand.
7607 * config/mips/predicates.md (const_call_insn_operand): Use
7608 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
7609 (global_got_operand): Rename to...
7610 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
7611 SYMBOL_GOT_GLOBAL.
7612 (local_got_operand): Rename to...
7613 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
7614 of SYMBOL_GOT_LOCAL.
7615
7616 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7617
7618 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
7619 TARGET_CALL_CLOBBERED_GP.
7620 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7621 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
7622 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
7623 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
7624 of TARGET_ABICALLS && !TARGET_NEWABI.
7625 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7626 * config/mips/mips.c (mips_load_call_address): Check
7627 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7628 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7629 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7630 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
7631 TARGET_ABICALLS && TARGET_NEWABI.
7632 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
7633 TARGET_ABICALLS.
7634 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
7635 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
7636 TARGET_ABICALLS && TARGET_NEWABI.
7637 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
7638 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
7639 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
7640 whether indirect calls must use $25.
7641 (mips_extra_live_on_entry): Check TARGET_GOT instead of
7642 TARGET_ABICALLS.
7643 * config/mips/mips.md (jal_macro): Check flag_pic and
7644 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
7645 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
7646 instead of TARGET_ABICALLS.
7647 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
7648 TARGET_ABICALLS && TARGET_OLDABI.
7649 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7650 (sibcall): In the comment above the define_insn, mention
7651 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
7652 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
7653 instead of TARGET_ABICALLS.
7654
7655 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
7656
7657 * doc/md.texi (Blackfin family constraints): Document PA and PB.
7658 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
7659 (MACFLAGS_MATCH_P): New macro.
7660 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
7661 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
7662 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
7663 the other MACFLAG constants.
7664 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
7665 (flag_machi): Tighten constraints. Renumber some of the operands.
7666 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
7667 output template.
7668 (flag_machi_parts_acconly): New pattern.
7669 (flag_macinithi): Tighten constraints. Allow any accumulator to be
7670 used.
7671 (flag_macinit1hi): Tighten constraints.
7672 (flag_mul_macv2hi_parts_acconly): New pattern.
7673
7674 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
7675 Use a more efficient implementation.
7676 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
7677 inline sequences when not optimizing for size.
7678
7679 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
7680 movhi_high2low): Delete, merge functionality into...
7681 (packv2hi): ... this pattern.
7682
7683 2007-02-11 Jie Zhang <jie.zhang@analog.com>
7684 * config/bfin/bfin.opt (msim): New option.
7685 (mcpu=): New option.
7686 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
7687 (bfin_cpu_t): Typedef of enum bfin_cpu.
7688 (bfin_cpu_type): New declaration.
7689 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
7690 -msim and -mcpu= options.
7691 (LIB_SPEC): Likewise.
7692 * config/bfin/bfin.c (bfin_cpu_type): Define.
7693 (bfin_handle_option): Handle -mcpu= option.
7694 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
7695 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
7696 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
7697
7698 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7699
7700 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
7701 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
7702 (powerpc-wrs-vxworksae): Use ${tm_file}.
7703 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
7704 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
7705 * config/i386/vx-common.h: New file.
7706
7707 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7708
7709 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
7710 of crt0.o%s.
7711
7712 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
7713
7714 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
7715 ldxtr.
7716
7717 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
7718
7719 PR c++/31078
7720 PR c++/31103
7721 * c-common.c (c_build_qualified_type): Set canonical type
7722 appropriately.
7723
7724 2007-04-12 Richard Guenther <rguenther@suse.de>
7725
7726 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
7727 lower bound and element size if lower bound is not zero
7728 or either of the ARRAY_REF operands is set.
7729
7730 2007-04-12 Richard Guenther <rguenther@suse.de>
7731
7732 PR tree-optimization/24689
7733 PR tree-optimization/31307
7734 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
7735 indices by value.
7736 * gimplify.c (canonicalize_addr_expr): To be consistent with
7737 gimplify_compound_lval only set operands two and three of
7738 ARRAY_REFs if they are not gimple_min_invariant. This makes
7739 it never at this place.
7740 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
7741
7742 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7743
7744 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
7745 null before emitting a .nsubspa directive.
7746
7747 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7748
7749 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
7750 need_to_partition_p if there are no memory statements in the
7751 function.
7752
7753 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7754
7755 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
7756 (gcd_of_steps_may_divide_p): New function.
7757 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
7758
7759 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7760
7761 * reload.c (find_reloads_toplev, find_reloads_address,
7762 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
7763 not a pointer equality test, to decide if we need to call
7764 push_reg_equiv_alt_mem.
7765
7766 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
7767
7768 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
7769 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
7770 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
7771
7772 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7773
7774 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
7775 vector to be positive.
7776
7777 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7778
7779 PR 30735
7780 PR 31090
7781 * doc/invoke.texi: Document --params max-aliased-vops and
7782 avg-aliased-vops.
7783 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
7784 debug_memory_partitions): Move to tree-flow.h
7785 * params.h (AVG_ALIASED_VOPS): Define.
7786 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
7787 users.
7788 (mp_info_t): Likewise.
7789 (get_mem_sym_stats_for): New.
7790 (set_memory_partition): Move from tree-flow-inline.h.
7791 (mark_non_addressable): Only clear the set of symbols for the
7792 partition if it exists.
7793 (dump_memory_partitions): Move from tree-ssa-operands.c
7794 (debug_memory_partitions): Likewise.
7795 (need_to_partition_p): New.
7796 (dump_mem_ref_stats): New.
7797 (debug_mem_ref_stats): New.
7798 (dump_mem_sym_stats): New.
7799 (debug_mem_sym_stats): New.
7800 (update_mem_sym_stats_from_stmt): New.
7801 (compare_mp_info_entries): New.
7802 (mp_info_cmp): Call it.
7803 (sort_mp_info): Change argument to a list of mem_sym_stats_t
7804 objects.
7805 (get_mpt_for): Move from tree-ssa-operands.c.
7806 (find_partition_for): New.
7807 (create_partition_for): Remove.
7808 (estimate_vop_reduction): New.
7809 (update_reference_counts): New.
7810 (build_mp_info): New.
7811 (compute_memory_partitions): Refactor.
7812 Document new heuristic.
7813 Call build_mp_info, update_reference_counts,
7814 find_partition_for and estimate_vop_reduction.
7815 (compute_may_aliases): Populate virtual operands before
7816 calling debugging dumps.
7817 (delete_mem_sym_stats): New.
7818 (delete_mem_ref_stats): New.
7819 (init_mem_ref_stats): New.
7820 (init_alias_info): Call it.
7821 (maybe_create_global_var): Remove alias_info argument.
7822 Get number of call sites and number of pure/const call sites
7823 from gimple_mem_ref_stats().
7824 (dump_alias_info): Call dump_memory_partitions first.
7825 (dump_points_to_info_for): Show how many times a pointer has
7826 been dereferenced.
7827 * opts.c (decode_options): For -O2 set --param
7828 max-aliased-vops to 500.
7829 For -O3 set --param max-aliased-vops to 1000 and --param
7830 avg-aliased-vops to 3.
7831 * fortran/options.c (gfc_init_options): Remove assignment to
7832 MAX_ALIASED_VOPS.
7833 * tree-flow-inline.h (gimple_mem_ref_stats): New.
7834 * tree-dfa.c (dump_variable): Dump memory reference
7835 statistics.
7836 Dump NO_ALIAS* settings.
7837 (referenced_var_lookup): Tidy.
7838 (mem_sym_stats): New.
7839 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
7840 and ORIG are different SSA names for a memory partition.
7841 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
7842 * tree-flow.h (struct mem_sym_stats_d): Define.
7843 (mem_sym_stats_t): Define.
7844 (struct mem_ref_stats_d): Define.
7845 (struct gimple_df): Add field mem_ref_stats.
7846 (enum noalias_state): Define.
7847 (struct var_ann_d): Add bitfield noalias_state.
7848 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
7849 debug_mem_ref_stats, debug_memory_partitions,
7850 debug_mem_sym_stats): Declare.
7851 * tree-ssa-structalias.c (update_alias_info): Update call
7852 sites, pure/const call sites and asm sites in structure
7853 returned by gimple_mem_ref_stats.
7854 Remove local variable IS_POTENTIAL_DEREF.
7855 Increase NUM_DEREFS if the memory expression is a potential
7856 dereference.
7857 Call update_mem_sym_stats_from_stmt.
7858 If the memory references memory, call
7859 update_mem_sym_stats_from_stmt for all the direct memory
7860 symbol references found.
7861 (intra_create_variable_infos): Set noalias_state field for
7862 pointer arguments according to the value of
7863 flag_argument_noalias.
7864 * tree-ssa-structalias.h (struct alias_info): Remove fields
7865 num_calls_found and num_pure_const_calls_found.
7866 (update_mem_sym_stats_from_stmt): Declare.
7867 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
7868 Set default value to 100.
7869 (PARAM_AVG_ALIASED_VOPS): Define.
7870
7871 2007-04-11 Richard Guenther <rguenther@suse.de>
7872
7873 PR middle-end/31530
7874 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
7875 a * -b + c as c - a * b if we honor sign dependent rounding.
7876
7877 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7878
7879 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
7880 bfin_expand_strmov.
7881 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
7882 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
7883 variables.
7884 (initialize_trampoline): Don't use old-style function definition.
7885 (bfin_secondary_reload): Mark IN_P argument as unused.
7886
7887 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
7888
7889 PR tree-optimization/31343
7890 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
7891 (build_polynomial_chrec): Return a scalar when the evolution is zero.
7892 * testsuite/gcc.dg/vect/pr31343.c: New.
7893
7894 2007-04-10 Eric Christopher <echristo@apple.com>
7895
7896 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
7897 * config/i386/i386.md (*cmpfp0): Use.
7898 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7899 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7900 (fix_trunc<mode>_i386_fisttp): Ditto.
7901 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7902 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7903 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7904 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7905 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7906 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7907 (unnamed_splitters): Ditto.
7908 * config/i386/i386.c (output_fix_trunc): Assert that
7909 we're not being passed a TFmode operand.
7910
7911 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
7912
7913 PR tree-optimization/31526
7914 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
7915 n_basic_blocks to find newly added blocks.
7916
7917 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
7918
7919 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
7920 alternative.
7921 (fix_trunc<mode>si_sse): Ditto.
7922 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
7923 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
7924 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
7925 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
7926 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
7927 expander using SSEMODEF mode macro.
7928 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
7929 expander using SSEMODEF mode macro.
7930 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
7931 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
7932 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
7933 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
7934 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
7935 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
7936 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
7937 Macroize insn using X87MODEF mode macro.
7938
7939 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
7940
7941 * config/i386/sse.md (sse2_pinsrw): Removed.
7942 (sse2_pextrw): Renamed to ...
7943 (*sse2_pextrw): This.
7944
7945 2007-04-09 Jan Hubicka <jh@suse.cz>
7946
7947 PR target/27869
7948 * config/i386/sse.md
7949 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
7950 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
7951 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
7952 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
7953
7954 2007-04-09 Jan Hubicka <jh@suse.cz>
7955
7956 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
7957 multiple fields of union.
7958
7959 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
7960
7961 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
7962 (create_preheaders): Check that loops are available.
7963 (fix_loop_structure): Clean up, improve comments.
7964 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
7965 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
7966 state flags.
7967 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
7968 * predict.c (tree_estimate_probability): Do not call
7969 calculate_dominance_info. Call create_preheaders.
7970 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
7971 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
7972 flags.
7973 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
7974 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
7975 * tree-cfg.c (tree_split_edge): Make an assert more precise.
7976 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
7977 arguments.
7978
7979 2007-04-08 Jan Hubicka <jh@suse.cz>
7980
7981 * tree.h (maybe_fold_offset_to_component_ref): Declare.
7982 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
7983 * fold-const.c (fold_unary): Use it.
7984
7985 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
7986
7987 * varasm.c (assemble_variable): Remove call to
7988 lang_hooks.decls.prepare_assemble_variable.
7989 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
7990 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
7991 * langhooks.h (lang_hooks_for_decls): Remove
7992 prepare_assemble_variable.
7993
7994 2007-04-08 Mike Stump <mrs@apple.com>
7995
7996 * config/i386/i386.c: Use inc/dec on Core2.
7997
7998 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
7999
8000 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
8001 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8002 lhd_tree_inlining_end_inlining): Remove.
8003 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
8004 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
8005 end_inlining hooks.
8006 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
8007 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8008 lhd_tree_inlining_end_inlining): Remove prototypes.
8009 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
8010 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8011 LANG_HOOKS_TREE_INLINING_START_INLINING,
8012 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
8013
8014 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
8015 not set it.
8016
8017 2007-04-08 Anatoly Sokolov <aesok@post.ru>
8018
8019 PR target/29932
8020 * config/avr/predicates.md (io_address_operand): Delete predicate.
8021 (low_io_address_operand): Don't use 'mode' argument.
8022 (higth_io_address_operand): Rename ...
8023 (high_io_address_operand): ... to this. Don't use 'mode' argument.
8024 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
8025 for above change.
8026
8027 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
8028
8029 Revert change removing staticp.
8030
8031 2007-04-07 Anatoly Sokolov <aesok@post.ru>
8032
8033 PR target/30289
8034 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
8035 earlyclobber.
8036
8037 2007-04-07 Bruce Korb <bkorb@gnu.org>
8038
8039 * c.opt: Add -Wformat-contains-nul.
8040 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
8041 -Wformat setting.
8042 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
8043 the NUL byte warning.
8044
8045 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
8046
8047 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
8048
8049 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8050
8051 * tree.c (staticp): No longer use staticp langhook.
8052 * langhooks.c (lhd_staticp): Removed.
8053 * langhooks.h (struct lang_hooks): Remove staticp.
8054 * c-common.c (c_staticp): Remove.
8055 * c-common.h (c_staticp): Ditto.
8056 * langhooks-defs.h (lhd_staticp): Ditto.
8057 (LHD_HOOKS_STATICP): Ditto
8058 * tree.h (gcc_assert_lowered): New macro.
8059
8060 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
8061
8062 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
8063 argument "reliable".
8064 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
8065 Add argument "reliable". Propagate it through calls.
8066 (infer_loop_bounds_from_undefined): Derive number of iterations
8067 estimates from references in blocks that do not dominate loop latch.
8068 (gcov_type_to_double_int): New function.
8069 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
8070 and expected_loop_iterations_unbounded.
8071 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
8072 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
8073 * tree-data-ref.c (estimated_loop_iterations): Export.
8074 (get_references_in_stmt): Fix -- do not return addresses of local
8075 objects.
8076 * cfgloop.h (expected_loop_iterations_unbounded,
8077 estimated_loop_iterations): Declare.
8078
8079 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
8080
8081 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
8082
8083 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8084
8085 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8086 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
8087 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
8088 Use output_387_reg_move().
8089 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
8090 expander using X87MODEF12 mode macro.
8091 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
8092 choosing register preferences. Use output_387_reg_move().
8093 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
8094 instead of "x". Use output_387_reg_move().
8095 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
8096 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
8097 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
8098 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
8099 Use output_387_reg_move().
8100 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
8101 mode macro.
8102 (*truncxf?f_i387 splitter): Ditto.
8103
8104 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8105
8106 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8107 LANG_HOOKS_SAFE_FROM_P.
8108 * expr.c (safe_from_p): Remove langhook call.
8109 * langhooks.h (lang_hooks): Remove safe_from_p.
8110 (lhd_safe_from_p): Remove prototype.
8111 * langhooks.c (lhd_safe_from_p): Remove.
8112
8113 2007-04-06 Jan Hubicka <jh@suse.cz>
8114
8115 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
8116 functions.
8117
8118 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8119
8120 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
8121 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
8122 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
8123 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
8124 alternative.
8125 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
8126 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
8127
8128 2007-04-05 Richard Henderson <rth@redhat.com>
8129
8130 * config/alpha/alpha.c (print_operand) [+]: Remove.
8131 (alpha_end_function): Print nop if call at end of function.
8132 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
8133 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
8134 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
8135 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
8136 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
8137 the call pattern. Update peepholes to match.
8138
8139 2007-04-05 Janis Johnson <janis187@us.ibm.com>
8140
8141 * doc/extend.texi (Other Builtins): Add decimal float variants
8142 of signbit.
8143 * builtins.def: Ditto.
8144 * builtins.c (expand_builtin): Ditto.
8145
8146 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
8147 H.J. Lu <hongjiu.lu@intel.com>
8148
8149 PR target/31478
8150 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
8151 of V8HImode when calling ix86_binary_operator_ok.
8152 (sse2_pmaddwd): Call ix86_binary_operator_ok.
8153 (sdot_prodv8hi): Operands 1 and 2 must be register.
8154
8155 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8156
8157 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
8158 initialize align to silence bogus warning.
8159
8160 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8161
8162 PR middle-end/22156
8163 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
8164 all_no_warning.
8165 (struct sra_walk_fns): Remove use_all parameter from use.
8166 (sra_hash_tree): Handle BIT_FIELD_REFs.
8167 (sra_elt_hash): Don't hash bitfld blocks.
8168 (sra_elt_eq): Skip them in parent compares as well. Handle
8169 BIT_FIELD_REFs.
8170 (sra_walk_expr): Don't maintain or pass down use_all_p.
8171 (scan_use): Remove use_all parameter.
8172 (scalarize_use): Likewise. Re-expand assignment to
8173 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
8174 output, and re-scalarize after output. Don't mark anything
8175 for no warning.
8176 (scalarize_ldst): Adjust.
8177 (scalarize_walk_gimple_modify_statement): Likewise.
8178 (build_element_name_1): Handle BIT_FIELD_REFs.
8179 (instantiate_element): Don't warn for any element whose parent
8180 is used as a whole.
8181 (instantiate_missing_elements_1): Return the sra_elt.
8182 (canon_type_for_field): New.
8183 (try_instantiate_multiple_fields): New.
8184 (instantiate_missing_elemnts): Use them.
8185 (mark_no_warning): Removed.
8186 (generate_one_element_ref): Handle BIT_FIELD_REFs.
8187 (REPLDUP, sra_build_elt_assignment): New.
8188 (generate_copy_inout): Use them.
8189 (generate_element_copy): Likewise. Handle bitfld differences.
8190 (generate_element_zero): Don't recurse for blocks. Use
8191 sra_build_elt_assignment.
8192 (generate_one_element_int): Take elt instead of var. Use
8193 sra_build_elt_assignment.
8194 (generate_element_init_1): Adjust.
8195 (scalarize_use, scalarize_copy): Use REPLDUP.
8196 (scalarize_ldst): Move assert before dereference.
8197 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
8198
8199 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8200
8201 * regmove.c: Fix unused variable warnings due to previous commit.
8202
8203 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8204
8205 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
8206 (regmove_bb_head): Remove.
8207 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
8208 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
8209 problems with fixup_match_1.
8210 Don't initialize/free regmove_bb_head.
8211
8212 (reg_is_remote_constant_p): If an insn is in the same basic block
8213 but not before INSN, consider it remote, too.
8214
8215 2007-04-05 Anatoly Sokolov <aesok@post.ru>
8216
8217 PR target/25448
8218 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
8219 DECL_ASSEMBLER_NAME, not the DECL_NAME.
8220
8221 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
8222
8223 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
8224 (CONDITIONAL_REGISTER_USAGE): Likewise.
8225
8226 2007-04-04 Richard Henderson <rth@redhat.com>
8227
8228 * config/alpha/lib1funcs.asm: Remove unused file.
8229
8230 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8231
8232 PR other/31356
8233 * opts.c (print_specific_help): Fix --help=<language>
8234 header line.
8235 (common_handle_option): Support --help=common.
8236
8237 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8238
8239 PR other/31353
8240 * gcc.c (main): Do not run the linker if
8241 print_subprocess_help indicates that it shouldn't be
8242 run.
8243
8244 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8245
8246 PR doc/31355
8247 * doc/invoke.texi (--help=): Document <languages> value, fix
8248 formatting in tables of values.
8249
8250 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
8251
8252 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
8253 dllimport attribute of virtual methods.
8254
8255 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
8256
8257 * config/score/crti.asm: Change _bss_start to __bss_start.
8258 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
8259 (OUTGOING_REG_PARM_STACK_SPACE) update.
8260 * config/score/score.opt: add options to make backend support
8261 score5, score5u, score7 and score7d.
8262 * config/score/score.md: Likewise.
8263 * config/score/misc.md: Likewise.
8264 * config/score/mac.md: Likewise.
8265 * doc/invoke.texi: Likewise.
8266 * doc/md.texi: update constraints define.
8267
8268 2007-04-03 Richard Henderson <rth@redhat.com>
8269
8270 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
8271 an appropriate type, use the mode instead.
8272
8273 2007-04-03 Richard Sandiford <richard@codesourcery.com>
8274
8275 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
8276 Set the default --with-arch setting to mips2.
8277 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
8278 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
8279 (MULTILIB_OSDIRNAMES): Delete.
8280 (MULTILIB_DIRNAMES): Define.
8281 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
8282 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
8283 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
8284 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
8285 VXWORKS_OS_CPP_BUILTINS.
8286 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
8287 (MIPS_DEBUGGING_INFO): Undefine.
8288 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
8289
8290 2007-04-03 Jakub Jelinek <jakub@redhat.com>
8291
8292 PR middle-end/30704
8293 * fold-const.c (native_encode_real): Encode real.c provided longs
8294 as a series of 32-bit native integers.
8295 (native_interpret_real): Interpret buffer as a series of 32-bit
8296 native integers.
8297
8298 2007-04-03 Richard Guenther <rguenther@suse.de>
8299
8300 * genpreds.c (write_insn_constraint_len): Write function
8301 optimized for CONSTRAINT_LEN implementation.
8302 (write_tm_preds_h): Output insn_constraint_len inline and
8303 use it for CONSTRAINT_LEN.
8304 (write_insn_preds_c): Don't output insn_constraint_len.
8305 * doc/md.texi (define_register_constraint): Document multi-letter
8306 constraints shall have the same length if they start with the same
8307 letter.
8308
8309 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8310
8311 PR target/31175
8312 * config/i386/i386.md (isinf<mode>2): Expand only when
8313 TARGET_C99_FUNCTIONS is set.
8314
8315 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8316
8317 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
8318 (x86_64-*-linux*): Ditto.
8319 * config/i386/i386.opt (mpc): New option.
8320 * config/i386/i386.c (overrride_options): Handle
8321 ix87_precision_string.
8322 * config/i386/crtprec.c: New file.
8323 * config/i386/t-crtpc: Ditto.
8324 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
8325 and -mpc80 options.
8326 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
8327 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8328 crtprec32.o, crtprec64.o and crtprec80.o.
8329
8330 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
8331 and -mpc80 options.
8332 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
8333
8334 2007-04-02 Eric Christopher <echristo@apple.com>
8335
8336 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
8337 limitations on darwin.
8338
8339 2007-04-02 Anatoly Sokolov <aesok@post.ru>
8340
8341 PR target/31137
8342 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
8343
8344 2007-04-02 Dave Korn <dave.korn@artimi.com>
8345
8346 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
8347
8348 2007-04-02 Dave Korn <dave.korn@artimi.com>
8349
8350 * libgcc2.h (exception_descriptor): Don't forward-declare.
8351 (__get_eh_table_language, __get_eh_table_version): Delete
8352 prototypes of long-dead functions.
8353
8354 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
8355
8356 * ebitmap.h: New file
8357 * ebitmap.c: New file
8358 * Makefile.in (ebitmap.o): New target.
8359
8360 2007-04-01 Jan Hubicka <jh@suse.cz>
8361
8362 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
8363 before very first instruction.
8364
8365 2007-04-01 Jan Hubicka <jh@suse.cz>
8366
8367 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
8368 waring on 64bit hosts.
8369 * bitmap.h: Fix typo in bitmap_head_def.
8370
8371 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
8372
8373 PR rtl-optimization/31391
8374 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
8375 into a DELETED_LABEL note, and the label is in an empty basic
8376 block, update BB_END as well as BB_HEAD.
8377
8378 2007-04-01 Richard Henderson <rth@redhat.com>
8379
8380 PR tree-optimization/31169
8381 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
8382 to varying if the range is outside [0, prec-1].
8383
8384 2007-04-01 Richard Sandiford <richard@codesourcery.com>
8385
8386 PR target/31388
8387 * config/mips/mips.md (load_const_gp): New insn.
8388 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
8389 the MIPS16 GP pseudo register if no_new_pseudos.
8390 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
8391
8392 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
8393
8394 PR target/31364
8395 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
8396 secureplt.
8397 (call_value): Likewise.
8398
8399 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
8400 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8401
8402 PR 14737
8403 * doc/invoke.texi: (optimization options): Reword description
8404 of -ffast-math. Document its primary purpose.
8405
8406 2007-03-31 Richard Guenther <rguenther@suse.de>
8407
8408 * omp-low.c (splay-tree.h): Include.
8409 (lookup_decl): Replace splay-tree usage by pointer-map.
8410 (maybe_lookup_decl): Likewise.
8411 (new_omp_context): Likewise.
8412 (delete_omp_context): Likewise.
8413 * gimplify.c (splay-tree.h): Include.
8414 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
8415 pointer-map.
8416 (remap_ssa_name): Likewise.
8417 (remap_decl): Likewise.
8418 (remap_type_1): Likewise.
8419 (remap_type): Likewise.
8420 (copy_body_r): Likewise.
8421 (expand_call_inline): Likewise.
8422 (clone_body): Likewise.
8423 (copy_tree_r): Likewise.
8424 (remap_save_expr): Likewise.
8425 (unsave_r): Likewise.
8426 (unsave_expr_now): Likewise.
8427 (tree_function_versioning): Likewise.
8428 (build_duplicate_type): Likewise.
8429 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
8430 (struct copy_body_data): Replace splay-tree by pointer-map.
8431 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
8432 not $(SPLAY_TREE_H).
8433 (gimplify.o): Depend on $(SPLAY_TREE_H).
8434 (omp-low.p): Likewise.
8435
8436 2007-03-31 Anatoly Sokolov <aesok@post.ru>
8437
8438 * config/avr/predicates.md (even_register_operand,
8439 odd_register_operand): New predicates.
8440 * config/avr/avr.md (movw peephole2): New.
8441 (movw_r peephole2): New.
8442
8443 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
8444
8445 * tree.h (get_signed_or_unsigned_type): New.
8446 * fold-const.c (operand_equal_for_comparison_p): Use
8447 get_signed_or_unsigned_type instead of
8448 lang_hooks.types.signed_or_unsigned_type.
8449 * expr.c (store_expr): Ditto.
8450 * langhooks.c (get_signed_or_unsigned_type): New.
8451 (lhd_signed_or_unsigned_type): New.
8452 * langhooks.h (lhd_signed_or_unsigned_type): New.
8453 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
8454
8455 2007-03-30 Richard Henderson <rth@redhat.com>
8456
8457 * tree-ssa-loop-ivopts.c: Include target.h.
8458 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
8459 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
8460 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
8461 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
8462
8463 2007-03-30 Richard Henderson <rth@redhat.com>
8464 Kai Tietz <kai.tietz@onevision.com>
8465
8466 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
8467 default for 64-bit.
8468 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
8469 (TARGET_64BIT_MS_ABI): New.
8470 (DBX_REGISTER_NUMBER): Handle 64-bit.
8471 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
8472 (LONG_TYPE_SIZE): Force to 32.
8473 (REG_PARM_STACK_SPACE): New.
8474 (OUTGOING_REG_PARM_STACK_SPACE): New.
8475 (REGPARM_MAX, SSE_REGPARM_MAX): New.
8476 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8477 (STACK_BOUNDARY): Use 128 for 64-bit.
8478 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
8479 Add 64-bit implementation.
8480 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
8481 argument unused.
8482 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
8483 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
8484 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
8485 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
8486 (ix86_handle_cconv_attribute): Don't warn when ignoring if
8487 TARGET_64BIT_MS_ABI.
8488 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
8489 (ix86_pass_by_reference): Likewise.
8490 (ix86_function_value_regno_p): Likewise.
8491 (ix86_build_builtin_va_list): Likewise.
8492 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
8493 (function_arg_advance_ms_64): New.
8494 (function_arg_advance): Call it.
8495 (function_arg_ms_64): New.
8496 (function_arg): Call it.
8497 (function_value_ms_64): New.
8498 (ix86_function_value_1): Call it.
8499 (return_in_memory_ms_64): New.
8500 (ix86_return_in_memory): Call it.
8501 (setup_incoming_varargs_ms_64): New.
8502 (ix86_setup_incoming_varargs): Call it.
8503 (ix86_expand_prologue): Handle 64-bit stack probing.
8504 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
8505 (output_pic_addr_const): Likewise.
8506 (x86_this_parameter): Likewise.
8507 (x86_output_mi_thunk): Likewise.
8508 (x86_function_profiler): Likewise.
8509 (TARGET_STRICT_ARGUMENT_NAMING): New.
8510 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
8511 (TARGET_64BIT_MS_ABI): New.
8512 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
8513 * config/i386/i386.md (allocate_stack_worker): Remove.
8514 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
8515 describe the clobber of eax without a match_scratch.
8516 (allocate_stack_worker_postreload): Remove.
8517 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
8518 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
8519 (allocate_stack_worker_rex64_postreload): Remove.
8520 (allocate_stack): Handle 64-bit.
8521 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
8522 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
8523 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
8524 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
8525 (STANDARD_STARTFILE_PREFIX_1): Likewise.
8526 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
8527 * config.build (x86_64-*-mingw*): New host.
8528 * config.host (x86_64-*-mingw*): New host.
8529 * config.gcc (x86_64-*-mingw*): New target.
8530 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
8531
8532 2007-03-30 Richard Henderson <rth@redhat.com>
8533 Kai Tietz <kai.tietz@onevision.com>
8534
8535 * c-pragma.c (struct def_pragma_macro_value): New.
8536 (struct def_pragma_macro): New.
8537 (pushed_macro_table): New.
8538 (dpm_hash, dpm_eq): New.
8539 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
8540 (init_pragma): Install them.
8541 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8542
8543 2007-03-30 Anatoly Sokolov <aesok@post.ru>
8544
8545 * config/avr/avr.c (avr_override_options): Clear
8546 'flag_delete_null_pointer_checks'.
8547
8548 2007-03-30 Paolo Carlini <pcarlini@suse.de>
8549
8550 PR c++/26099
8551 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
8552 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
8553 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
8554 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
8555 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
8556 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
8557 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
8558 C++ extensions.
8559 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
8560
8561 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
8562
8563 * regmove.c: Move all of pass_stack_adjustments from here...
8564 * combine-stack-adj.c: ...to this new file.
8565 * Makefile.in: Add rules for combine-stack-adj.o.
8566
8567 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
8568
8569 PR tree-optimization/31383
8570 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
8571 to have the same length.
8572
8573 2007-03-30 Jan Hubicka <jh@suse.cz>
8574
8575 PR middle-end/30700
8576 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
8577 availablility; add more sanity checking; ask varpool only about
8578 VAR_DECL.
8579
8580 2007-03-29 Richard Henderson <rth@redhat.com>
8581
8582 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
8583 to decide, but __SIZEOF_LONG_LONG__.
8584
8585 2007-03-29 Richard Henderson <rth@redhat.com>
8586
8587 * emutls.c (struct __emutls_array): New.
8588 (emutls_destroy): Use it instead of casting element 0 from void*.
8589 (__emutls_get_address): Likewise.
8590
8591 2007-03-29 Richard Henderson <rth@redhat.com>
8592
8593 * varasm.c (initializer_constant_valid_p): Don't deny
8594 DECL_DLLIMPORT_P on functions.
8595
8596 * config/i386/cygming.h: Remove function declarations.
8597 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
8598 (ASM_OUTPUT_LABELREF): Remove.
8599 (COMMON_ASM_OP): Remove.
8600 (ASM_OUTPUT_COMMON): Remove.
8601 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
8602 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
8603 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8604 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
8605 Rename from TARGET_ENCODE_SECTION_INFO.
8606 * config/i386/netware.h: Likewise.
8607 * config/i386/i386-protos.h: Update.
8608 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
8609 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
8610 (legitimate_constant_p): Reject dllimports.
8611 (dllimport_map, get_dllimport_decl): New.
8612 (legitimize_dllimport_symbol): New.
8613 (legitimize_address, ix86_expand_move): Use it.
8614 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
8615 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
8616 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
8617 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
8618 * config/i386/predicates.md (constant_call_address_operand): Only
8619 accept symbols; reject dllimport_p symbols.
8620 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
8621 i386_pe_maybe_record_exported_symbol.
8622 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
8623 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
8624 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
8625 trust the setting of DECL_DLLIMPORT_P.
8626 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
8627 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
8628 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
8629 tidy the argument scanning loop.
8630 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
8631 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
8632 (i386_pe_strip_name_encoding): Remove.
8633 (i386_pe_binds_local_p): New.
8634 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
8635 (i386_pe_output_labelref): Remove.
8636 (i386_pe_asm_output_aligned_decl_common): New.
8637 (i386_pe_maybe_record_exported_symbol): Rename from
8638 i386_pe_record_exported_symbol; check for dllexported symbols.
8639
8640 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
8641
8642 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
8643 add comment explaining why vsnprintf cannot be used.
8644
8645 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
8646
8647 PR tree-optimization/30666
8648 * tree.c (build_complex_type): When creating type names for DWARF2
8649 debug info, create TYPE_DECLs for TYPE_NAME instead of
8650 IDENTIFIER_NODEs.
8651 (build_common_tree_nodes_2): Use build_complex_type when building
8652 predefined complex types, to preserve canonical types.
8653
8654 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
8655
8656 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
8657 (noce_get_alt_condition): Look at it to determine whether to
8658 reverse the condition or not.
8659 (noce_get_condition): Substitute the truth for lies.
8660 (noce_find_if_block): Set the then_else_reversed field.
8661
8662 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
8663
8664 * config/fr30/fr30.md (movdi): Do not accept immediates as the
8665 destination of this insn.
8666 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
8667 than calling gen_rtx_SET directly. Use r0 to hold the value of
8668 'address + 4' rather than a stack based temporary which can be
8669 mis-optimized away.
8670
8671 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8672
8673 * config/s390/s390.c (s390_secondary_input_reload_class,
8674 s390_secondary_output_reload_class): Functions removed.
8675 (s390_secondary_reload): New function.
8676 (TARGET_SECONDARY_RELOAD): Target macro defined.
8677 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
8678 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
8679 * config/s390/s390.md ("reload_outti", "reload_outdi",
8680 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
8681 "reload_out<mode>"): Expanders removed.
8682 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
8683 "reload<mode>_nonoffmem_out"): Expanders added.
8684
8685 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8686
8687 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
8688 SRC->DEST replacement failed anyway.
8689
8690 2007-03-28 Mike Stump <mrs@apple.com>
8691
8692 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
8693 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
8694 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
8695
8696 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8697
8698 * config.gcc: Accept barcelona as a variant of amdfam10.
8699 * config/i386/i386.c (override_options): Likewise.
8700 * doc/invoke.texi: Likewise.
8701
8702 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
8703
8704 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
8705 offsets for BIT_FIELD_REF and COMPONENT_REF.
8706
8707 2007-03-28 Richard Guenther <rguenther@suse.de>
8708
8709 * tree.c (is_global_var): Move ...
8710 * tree-flow-inline.h (is_global_var): ... here.
8711 * tree.h (is_global_var): Remove declaration.
8712
8713 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
8714
8715 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
8716 option.
8717 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
8718 * config/i386/i386.c (ix86_tune_features): Initialize new
8719 tuning option.
8720 * config/i386/predicates.md (promotable_binary_operator): Use
8721 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
8722
8723 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8724
8725 PR target/31380
8726 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
8727
8728 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
8729
8730 * config/fr30/fr30.md (movsi_internal): Change destination
8731 constraint from m to V and add m to the end.
8732
8733 2007-03-28 Christian Bruel <christian.bruel@st.com>
8734
8735 * config/sh/sh.md (movsi_i): Fix type attribute.
8736
8737 2007-03-28 Christian Bruel <christian.bruel@st.com>
8738
8739 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
8740 (movsf_ie): Likewise.
8741
8742 2007-03-28 Christian Bruel <christian.bruel@st.com>
8743
8744 * config.gcc: Add sh4-300 to multilib.
8745 * config/sh/t-mlib-sh4-300: New file.
8746
8747 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
8748
8749 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
8750 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
8751 fix_trunc<mode>di2.
8752 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
8753 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
8754 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
8755 "fixuns_trunctddi2"): Whitespace fix.
8756
8757 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8758
8759 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
8760 the definition of struct sh_args.
8761 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
8762 CALL_COOKIE_INT_REG_GET): Likewise.
8763
8764 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
8765
8766 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
8767 transformations are applied successfully.
8768
8769 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
8770
8771 * tree.c (tree_contains_struct): Permit 512 tree codes.
8772 * tree.h (tree_contains_struct): Ditto.
8773 (MAX_TREE_CODES): Ditto.
8774 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
8775 SPARE member to store remaining padding bits.
8776
8777 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8778
8779 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
8780 architecture.
8781
8782 2007-03-27 Janis Johnson <janis187@us.ibm.com>
8783
8784 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
8785 * configure: Regenerate.
8786
8787 * configure: Regenerate using the correct version of autoconf.
8788
8789 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8790
8791 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
8792 pointer regs.
8793 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
8794 regs to "__SP_L__" and "__SP_H__".
8795
8796 2007-03-27 Richard Guenther <rguenther@suse.de>
8797
8798 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
8799 computations with it with a HOST_WIDE_INT variable.
8800
8801 2007-03-26 Mike Stump <mrs@apple.com>
8802
8803 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
8804 objective-c-header, objective-c++-header and objc++-cpp-output
8805 support.
8806 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
8807
8808 2007-03-26 Richard Henderson <rth@redhat.com>
8809
8810 PR target/31361
8811 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
8812 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
8813 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
8814 IX86_BUILTIN_PSRLQ128): New.
8815 (ix86_init_mmx_sse_builtins): Add them.
8816 (ix86_expand_builtin): Expand them.
8817 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
8818 operand 2 be TImode.
8819 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
8820 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
8821 _mm_srli_epi64): Mark __B const.
8822 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
8823 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
8824 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
8825 new two-vector shift builtins.
8826
8827 2007-03-26 Ian Lance Taylor <iant@google.com>
8828
8829 PR tree-optimization/31345
8830 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
8831 [+INF, +INF(OVF)] into VARYING.
8832
8833 2007-03-26 Zack Weinberg <zackw@panix.com>
8834
8835 * gengtype-parse.c: New file.
8836 * gengtype-yacc.y: Delete.
8837 * gengtype-lex.l: Don't include gengtype-yacc.h.
8838 Define YY_DECL and yyterminate appropriately for recursive
8839 descent parser. yylval is now a string out-parameter to yylex.
8840 (HWS, EOID): New shorthand.
8841 (IWORD): Add a couple more types.
8842 (yylex): Add a setup stanza. Remove the complex rules for
8843 detecting GTY'ed types and typedefs; replace with simple
8844 keyword detectors. Adjust everything for the changed
8845 definition of yylval. Ignore all pp-directives, not just #define.
8846 (yyerror): Delete.
8847 (parse_file): Rename yybegin; do not call yyparse.
8848 (yyend): New.
8849 * gengtype.c (xasprintf): Export again.
8850 (this_file): New. Use everywhere __FILE__ was being used.
8851 (get_lang_bitmap): Special case types defined in gengtype.c.
8852 (do_typedef, new_structure): Suppress definition of certain types.
8853 (new_structure): Improve diagnostics of duplicate definitions.
8854 Make sure location_s is associated with input.h.
8855 (nreverse_pairs, define_location_structures): New functions.
8856 (main): Improve tagging of kludge types. Remove old kludges
8857 for input.h types; use define_location_structures.
8858 * gengtype.h: Update prototypes. Define token codes here.
8859 * Makefile.in: Remove all references to gengtype-yacc.
8860 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
8861 and gengtype.
8862 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
8863 add GTY((skip)) to the field that's only conditionally there.
8864 * doc/install.texi: Document that Bison is no longer required
8865 unless building treelang.
8866
8867 * gengtype.c: Don't include gtyp-gen.h.
8868 (srcdir): Declare here.
8869 (base_files, lang_dir_names): Allocate dynamically.
8870 (gt_files, num_gt_files, num_lang_dirs): New globals.
8871 (measure_input_list, read_input_line, read_input_list)
8872 (set_lang_bitmap): New functions.
8873 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
8874 simplify, relying on read_input_list to set up the bitmaps.
8875 (main): Arguments are no longer unused. Check for correct number
8876 of command line arguments, set srcdir and srcdir_len, then call
8877 read_input_list, before doing anything else. No need to worry
8878 about duplicates in main loop.
8879 * configure.ac: Simplify the calculation of all_gtfiles.
8880 Put language tags in there. Don't set or substitute
8881 all_gtfiles_files_langs or all_gtfiles_files_frags.
8882 * Makefile.in: Revamp the way gengtype is invoked, now that it
8883 takes a file on its command line with a much simpler format.
8884 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
8885 (GTFILES): Remove duplicates and C source files.
8886 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
8887 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
8888 * configure: Regenerate.
8889
8890 * gengtype.h: Remove all type definitions to gengtype.c; leave
8891 only definitions of options_p, type_p, and pair_p as opaque
8892 pointers. Update prototypes.
8893 * gengtype.c: Many type definitions moved here from gengtype.h.
8894 Consolidate type definitions at the top of the file.
8895 (xvasprintf): Delete.
8896 (xasprintf): Make static.
8897 (create_nested_pointer_option): Add 'next' parameter.
8898 (create_field_all, create_field_at): New functions.
8899 (create_field): Now a thin wrapper around create_field_all.
8900 (create_optional_field): Rename create_optional_field_ and add
8901 line argument. Original name is now a macro which supplies
8902 __LINE__.
8903 (oprintf): Use vsnprintf directly.
8904 (close_output_files): Use fatal rather than perror/exit.
8905 (note_def_vec, note_def_vec_alloc): Use create_field_at.
8906 (main): Set progname. Don't use exit.
8907 * gengtype-yacc.y (struct_fields): Use create_field_at.
8908 (option, optionseqopt): Delete.
8909 (optionseq): Consolidate productions from option here so we
8910 can use the first argument to create_option.
8911
8912 * gengtype-lex.l: Distinguish unions from structures in the
8913 token type. Don't call find_structure; return the tag as a string.
8914 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
8915 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
8916 Reorganize typedef_struct production accordingly.
8917 Use create_nested_ptr_option.
8918 * gengtype.c (create_nested_ptr_option): New function.
8919 * gengtype.h: Declare it.
8920
8921 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
8922 (string_type): Don't declare.
8923 (do_scalar_typedef): Declare.
8924 (create_scalar_type): Update prototype.
8925 * gengtype.c (string_type): Make static.
8926 (scalar_nonchar, scalar_char): New.
8927 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
8928 (resolve_typedef): Use scalar_nonchar for error recovery.
8929 (create_scalar_type): Remove name_len field. Return scalar_char
8930 or scalar_nonchar as appropriate.
8931 (adjust_field_type): Look at scalar_is_char boolean to decide whether
8932 to use string_type.
8933 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
8934 whenever possible.
8935 (main): Initialize scalar_char and scalar_nonchar before calling
8936 gen_rtx_next.
8937 * gengtype-lex.l: Adjust for removal of second argument to
8938 create_scalar_type. Use yylval.s instead of yylval.t when
8939 returning SCALAR.
8940 * gengtype-yacc.y: Type of SCALAR is string. Call
8941 create_scalar_type from type:SCALAR rule. Adjust for removal of
8942 second argument to create_scalar_type.
8943
8944 * vec.h: Remove all #if IN_GENGTYPE blocks.
8945 Add comment saying that changes may require adjustments to gengtype.
8946 * gengtype.c: Don't include coretypes.h or tm.h.
8947 Add comment to inclusion of errors.h.
8948 (note_def_vec, note_def_vec_alloc): New functions.
8949 * gengtype.h: Declare new functions.
8950 * gengtype-lex.l: Don't include coretypes.h.
8951 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
8952 Delete.
8953 (update_lineno): Remove unnecessary prototype.
8954 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
8955 (VEC rule): Just return VEC_TOKEN.
8956 * gengtype-yacc.y (VEC_TOKEN): New token type.
8957 (type): Add a production for VEC(a,b).
8958 * Makefile.in: Update dependencies.
8959
8960 * gengtype-lex.l: Remove rules for parsing pointer-to-function
8961 typedefs that use the old PARAMS macro.
8962
8963 * gengtype-lex.l: Remove all rules and states relating to yacc
8964 input files.
8965 * gengtype-yacc.y: Similarly.
8966 * gengtype.c (note_yacc_type): Delete function.
8967 * gengtype.h: Update prototypes.
8968
8969 2007-03-26 Joseph Myers <joseph@codesourcery.com>
8970
8971 * tree-pretty-print.c (dump_generic_node): Report precision of
8972 unnamed integer types.
8973
8974 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
8975
8976 * ifcvt.c (noce_try_store_flag_constants): Don't check
8977 no_new_pseudos here.
8978 (noce_try_store_flag_constants): Don't check no_new_pseudos.
8979 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
8980 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
8981 noce_try_sign_mask): Likewise.
8982 (if_convert): Check no_new_pseudos here.
8983
8984 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
8985 Remove prototypes.
8986 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
8987 (noce_get_condition): Handle new then_else_reversed argument.
8988 (noce_init_if_info): Remove, fold into noce_find_if_block.
8989 (noce_process_if_block): Take a struct noce_if_info as the
8990 argument. Don't set up one based on ce_if_info. Update pointer
8991 references accordingly.
8992 (cond_move_process_if_block): Likewise.
8993 (process_if_block): Removed.
8994 (find_if_block): Removed. Move functionality two new functions,
8995 noce_find_if_block and cond_exec_find_if_block.
8996 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
8997 blocks and the symmetric IF-ELSE-JOIN case.
8998 (cond_exec_find_if_block): Also new function mostly based on old
8999 find_if_block and process_if_block.
9000 (find_if_header): Replace find_if_block call with separately
9001 guarded calls to noce_find_if_block and cond_exec_find_if_block.
9002 (find_cond_trap): Update noce_get_condition call.
9003 (dead_or_predicable): Likewise.
9004
9005 2007-03-26 Jakub Jelinek <jakub@redhat.com>
9006
9007 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
9008 Remove.
9009 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
9010 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
9011 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
9012 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
9013 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
9014 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
9015 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
9016 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
9017 __builtin_ia32_psrad128 builtins.
9018
9019 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
9020
9021 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
9022 * config/i386/constraints.md
9023 (define_constraint "I"): Use IN_RANGE macro.
9024 (define_constraint "J"): Ditto.
9025 (define_constraint "K"): Ditto.
9026 (define_constraint "M"): Ditto.
9027 (define_constraint "N"): Ditto.
9028 (define_constraint "O"): Ditto.
9029 * config/i386/predicates.md
9030 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
9031 (define_predicate "const_0_to_3_operand"): Ditto.
9032 (define_predicate "const_0_to_7_operand"): Ditto.
9033 (define_predicate "const_0_to_15_operand"): Ditto.
9034 (define_predicate "const_0_to_63_operand"): Ditto.
9035 (define_predicate "const_0_to_255_operand"): Ditto.
9036 (define_predicate "const_1_to_31_operand"): Ditto.
9037 (define_predicate "const_2_to_3_operand"): Ditto.
9038 (define_predicate "const_4_to_7_operand"): Ditto.
9039
9040 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9041
9042 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
9043 in SImode for save_world.
9044 * config/rs6000/altivec.md (save_world, restore_world): Convert to
9045 LR hard reg.
9046
9047 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
9048
9049 PR tree-optimization/30784
9050 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
9051 BIT_FIELD_REF.
9052
9053 2007-03-25 Revital Eres <eres@il.ibm.com>
9054
9055 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
9056 Fold movement_possibility function into it.
9057
9058 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9059
9060 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
9061 (load_macho_picbase_{si,di}): Convert to LR hard reg.
9062 (call_indirect_nonlocal_darwin64): Same.
9063 (call_nonlocal_darwin64): Same.
9064 (call_value_indirect_nonlocal_darwin64): Same.
9065 (call_value_nonlocal_darwin64): Same.
9066 (sibcall_nonlocal_darwin64): Same.
9067 (sibcall_value_nonlocal_darwin64): Same.
9068 (sibcall_symbolic_64): Same.
9069 (sibcall_value_symbolic_64): Same.
9070 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
9071 LR pseudo.
9072 (rs6000_emit_load_toc_table): Same.
9073 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
9074 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
9075 (mull_call): Same.
9076 (divss_call): Same.
9077 (divus_call): Same.
9078 (quoss_call): Same.
9079 (quous_call): Same.
9080 (load_toc_v4_pic_si): Same
9081 (load_toc_v4_PIC_1): Same.
9082 (load_toc_v4_PIC_1b): Same.
9083 (call_indirect_aix{32,64}): Same.
9084 (call_value_indirect_aix{32,64}): Same.
9085 (call): Same.
9086 (call_value): Same.
9087 (call_local{32,64}): Same.
9088 (call_value_local{32,64}): Same.
9089 (call_indirect_nonlocal_aix{32,64}): Same.
9090 (call_nonlocal_aix{32,64}): Same.
9091 (call_value_indirect_nonlocal_aix{32,64}): Same.
9092 (call_value_nonlocal_aix{32,64}): Same.
9093 (call_indirect_nonlocal_sysv<mode>): Same.
9094 (call_nonlocal_sysv<mode>): Same.
9095 (call_value_indirect_nonlocal_sysv<mode>): Same.
9096 (call_value_nonlocal_sysv<mode>): Same.
9097 (sibcall): Same.
9098 (sibcall_local{32,64}): Same.
9099 (sibcall_value_local{32,64}): Same.
9100 (sibcall_nonlocal_aix{32,64}): Same.
9101 (sibcall_value_nonlocal_aix{32,64}): Same.
9102 (sibcall_nonlocal_sysv<mode>): Same.
9103 (sibcall_value): Same.
9104 (sibcall_value_nonlocal_sysv<mode>): Same.
9105
9106 2007-03-24 Paul Brook <paul@codesourcery.com>
9107
9108 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
9109 * config/arm/linux-eabi.h: Remove legacy syscall hack.
9110
9111 2007-03-24 Richard Henderson <rth@redhat.com>
9112
9113 * config/ia64/constraints.md: New file.
9114 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
9115 satisfies_constraint_?.
9116 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
9117 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
9118 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
9119 ia64_output_mi_thunk): Likewise.
9120 (ia64_const_ok_for_letter_p): Remove.
9121 (ia64_const_double_ok_for_letter_p): Remove.
9122 (ia64_extra_constraint): Remove.
9123 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
9124 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
9125 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
9126 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
9127 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
9128 EXTRA_MEMORY_CONSTRAINT): Remove.
9129 * config/ia64/ia64.md: Include constriants.md. Replace
9130 CONST_OK_FOR_? with satisfies_constraint_?.
9131
9132 2007-03-23 Michael Meissner <michael.meissner@amd.com>
9133 H.J. Lu <hongjiu.lu@intel.com>
9134
9135 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
9136 DPD or BID name.
9137 (name macros): Use DPD_BID_NAME to convert names properly.
9138
9139 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
9140 decimal floating point format.
9141 (init_floating_libfuncs): Change decimal functions so that they
9142 have a "bid_" prefix if the decimal system uses the BID format,
9143 and "dpd_" prefix if the decimal system uses the DPD format.
9144 (init_interclass_conv_libfuncs): Ditto.
9145 (init_intraclass_conv_libfuncs): Ditto.
9146
9147 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9148 using the BID format.
9149
9150 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9151 whether we are using the BID decimal format.
9152 * configure: Regenerate.
9153
9154 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9155 the compiler has decimal floating point enabled. Define
9156 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9157 instead of DPD.
9158
9159 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9160 using the BID format.
9161
9162 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9163 whether we are using the BID decimal format.
9164 * configure: Regenerate.
9165
9166 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9167 the compiler has decimal floating point enabled. Define
9168 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9169 instead of DPD.
9170
9171 * doc/install.texi (--enable-decimal-float): Document BID and DPD
9172 options, and that it is enabled for i386/x86_64 systems.
9173
9174 * Makefile.in (enable_decimal_float): New.
9175 (DECNUMFMT): New.
9176 (DECNUMINC): Add -I$(DECNUMFMT).
9177 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
9178 to $(DECNUMFMT) from $(DECNUM).
9179
9180 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
9181 Substitute enable_decimal_float.
9182 * configure: Regenerated.
9183
9184 PR other/30529
9185 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
9186 unsigned long.
9187
9188 * configure.ac: Enable decimal float for x86_64-*-linux*.
9189 * configure: Regenerated.
9190
9191 PR other/30530
9192 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
9193 decimal128ClearSign to flip and clear the sign bit in decimal128.
9194 (decimal_real_maxval): Set decimal128SetSign to set the sign
9195 bit in decimal128.
9196
9197 2007-03-23 Ian Lance Taylor <iant@google.com>
9198
9199 * fold-const.c (fold_binary): Correct warning for X - c >= X.
9200
9201 2007-03-23 Ian Lance Taylor <iant@google.com>
9202
9203 * tree-dump.c (dump_files): Correct comment.
9204
9205 2007-03-23 Ian Lance Taylor <iant@google.com>
9206
9207 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
9208
9209 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
9210
9211 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
9212 in cfglayout mode. Don't go into and out of cfglayout mode.
9213 Link the blocks in the order of the constructed traces.
9214 (rest_of_handle_tracer): Adjust call to tracer.
9215 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
9216 Don't go into cfglayout mode.
9217 (rtl_loop_done): Don't go out of cfglayout mode.
9218 * cfglayout.c (relink_block_chain): New function, split out from...
9219 (fixup_reorder_chain): ...here. Remove redundant checking.
9220 (cfg_layout_finalize): Don't clear the header, footer, and aux
9221 fields here, move the code to do so to relink_block_chain. Likewise
9222 for free_original_copy_tables.
9223 * rtl.h (tracer): Update prototype.
9224 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
9225 Assert we are in cfglayout mode. Don't go into and out of cfglayout
9226 mode. Use relink_block_chain to serialize the CFG according to the
9227 new basic block order. Move targetm.cannot_modify_jumps_p check from
9228 here...
9229 (gate_handle_reorder_blocks): ...to here.
9230 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
9231 from here...
9232 (gate_duplicate_computed_gotos): ...to here.
9233 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
9234 something always changes when going into and out of cfglayout mode.
9235 Perform an expensive cfg cleanup while going into cfglayout mode.
9236 Always update liveness information on HAVE_conditional_execution
9237 targets. Reserialize the basic blocks and go out of cfglayout mode.
9238 * reg-stack.c: Include cfglayout.h.
9239 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
9240 the call to reorder_basic_blocks.
9241 * basic-block.h (reorder_basic_blocks): Update prototype.
9242 (relink_block_chain): New prototype.
9243 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
9244
9245 2007-03-23 Joseph Myers <joseph@codesourcery.com>
9246
9247 * config/mips/mips.md (type, hazard, *movdi_32bit,
9248 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
9249 *movhi_internal, *movqi_internal, *movsf_hardfloat,
9250 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
9251 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
9252 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
9253 applicable.
9254 (movcc): Change first xfer to multi.
9255 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
9256 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
9257 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
9258 config/mips/generic.md: Change reservations using "xfer" to use
9259 "mfc,mtc".
9260 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
9261 using match_operand.
9262 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
9263 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
9264 examining mode.
9265 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
9266
9267 2007-03-22 Richard Henderson <rth@redhat.com>
9268
9269 * config/i386/i386.c: Remove unnecessary function declarations.
9270 Move targetm definition, and all related macros, to the end of
9271 the file. Resort some functions to put definitions before uses.
9272 (ix86_attribute_table): Make static. Move to end of file.
9273 (ix86_gimplify_va_arg): Make static.
9274
9275 2007-03-22 Richard Henderson <rth@redhat.com>
9276
9277 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
9278 don't increase local_regparm with force_align_arg_pointer check.
9279 (ix86_function_sseregparm): Assert 32-bit.
9280 (type_has_variadic_args_p): New.
9281 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
9282 type_has_variadic_args_p.
9283 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
9284 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
9285 use memset instead. Do maybe_vaarg check first; skip attribute
9286 tests if true; skip attribute tests for 64-bit.
9287 (construct_container): Remove TARGET_DEBUG_ARG.
9288 (function_arg_advance_32, function_arg_advance_64): Split out ...
9289 (function_arg_advance): ... from here.
9290 (function_arg_32, function_arg_64): Split out ...
9291 (function_arg): ... from here.
9292 (ix86_pass_by_reference): Tidy.
9293 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
9294 (function_value_32): New, from parts of ix86_function_value
9295 and ix86_value_regno.
9296 (function_value_64): New, from parts of ix86_function_value
9297 and ix86_libcall_value.
9298 (ix86_function_value_1): New.
9299 (ix86_function_value, ix86_libcall_value): Use it.
9300 (return_in_memory_32, return_in_memory_64): Split out ...
9301 (ix86_return_in_memory): ... from here.
9302 (ix86_struct_value_rtx): Skip for 64-bit.
9303 (ix86_libcall_value, ix86_value_regno): Remove.
9304 (setup_incoming_varargs_64): Split out ...
9305 (ix86_setup_incoming_varargs): ... from here.
9306 (ix86_va_start): Remove TARGET_DEBUG_ARG.
9307 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
9308 * config/i386/i386-protos.h (ix86_function_value): Remove.
9309 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
9310
9311 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9312
9313 PR other/23572
9314 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
9315 infinities not supported, otherwise emit warning if -Woverflow. On
9316 underflow, emit warning if -Woverflow.
9317 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
9318 and 0 otherwise.
9319 * real.h (real_from_string): Update declaration
9320
9321 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
9322 Richard Henderson <rth@redhat.com>
9323
9324 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
9325 * calls.c (compute_argument_block_size, expand_call,
9326 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
9327 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
9328 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
9329 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
9330 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
9331 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
9332 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
9333 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
9334 Set to 1.
9335
9336 2007-03-22 Joseph Myers <joseph@codesourcery.com>
9337
9338 * c-incpath.c (add_sysroot_to_chain): New.
9339 (merge_include_chains): Add sysroot argument. Call
9340 add_sysroot_to_chain if sysrooted.
9341 (register_include_chains): Update call to merge_include_chains.
9342 * doc/cppopts.texi: Document use of '=' in include directory
9343 arguments.
9344
9345 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
9346
9347 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
9348 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
9349 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
9350 insn pattern using X87MODEF12 mode macro.
9351
9352 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
9353
9354 * regmove.c (regmove_optimize): Use reg_mentioned_p
9355 instead of reg_overlap_mentioned_p for DST.
9356
9357 2007-03-21 Mike Stump <mrs@apple.com>
9358
9359 * c.opt: Fixup for Objective-C/C++.
9360
9361 2007-03-21 Steve Ellcey <sje@cup.hp.com>
9362
9363 * explow.c (convert_memory_address): Fold memory reference when
9364 POINTERS_EXTEND_UNSIGNED < 0
9365
9366 2007-03-21 Richard Henderson <rth@redhat.com>
9367
9368 PR target/31245
9369 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
9370 * config/i386/mmintrin.h (__m64): Likewise.
9371 * config/i386/xmmintrin.h (__m128): Likewise.
9372
9373 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9374
9375 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
9376 (VXWORKS_OS_CPP_BUILTINS): Define.
9377 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
9378 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
9379
9380 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9381
9382 * rtl.h (constant_pool_reference_p): Delete.
9383 (find_constant_src): Declare.
9384 * rtlanal.c (find_constant_src): New function.
9385 * simplify-rtx.c (constant_pool_reference_p): Delete.
9386 * config/i386/i386.md: Use find_constant_src instead of
9387 constant_pool_reference_p/avoid_constant_pool_reference pairs.
9388
9389 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9390
9391 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
9392 * c-cppbuiltin.c (c_cpp_builtins): Define them.
9393
9394 2007-03-20 Mark Mitchell <mark@codesourcery.com>
9395
9396 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
9397 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
9398 (arm_elf_asm_constructor): Use it.
9399 (arm_elf_asm_destructor): New function.
9400
9401 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
9402
9403 * jump.c (mark_jump_label): Treat SEQUENCE specially.
9404
9405 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
9406
9407 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
9408
9409 2007-03-19 Andrew Haley <aph@redhat.com>
9410
9411 PR tree-optimization/31264
9412 * tree-vrp.c (register_edge_assert_for_1): Don't look though
9413 VIEW_CONVERT_EXPRs.
9414
9415 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
9416
9417 PR rtl-optimization/30907
9418 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
9419 (fwprop_init): Always call loop_optimizer_initialize.
9420 (fwprop_done): Always call loop_optimizer_finalize.
9421 (fwprop): We always have loop info now.
9422 (gate_fwprop_addr): Remove.
9423 (pass_fwprop_addr): Use gate_fwprop as gate.
9424
9425 PR rtl-optimization/30841
9426 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
9427 df_chain_alloc): Call df_reorganize_refs unconditionally.
9428 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
9429 refs_organized to refs_organized_size.
9430 (df_ref_create_structure): Use refs_organized_size instead of
9431 bitmap_size if refs had been organized, and keep refs_organized_size
9432 up-to-date.
9433 * df.h (struct df_ref_info): Change refs_organized to
9434 refs_organized_size.
9435 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
9436 bitmap_size.
9437
9438 2007-03-19 Mark Mitchell <mark@codesourcery.com>
9439
9440 * except.c (output_function_exception_table): Do not reference the
9441 EH personality routine for functions that do not require an
9442 exception table.
9443
9444 2007-03-20 Jakub Jelinek <jakub@redhat.com>
9445
9446 PR c/30762
9447 * c-typeck.c (convert_for_assignment): Call comptypes for
9448 RECORD_TYPE or UNION_TYPE.
9449
9450 PR inline-asm/30505
9451 * reload1.c (reload): Do invalid ASM checking after
9452 cleanup_subreg_operands.
9453
9454 2007-03-19 Jeff Law <law@redhat.com>
9455
9456 * tree-cfg.c (find_taken_edge): Tighten conditions for
9457 optimizing computed gotos.
9458
9459 2007-03-19 Michael Matz <matz@suse.de>
9460
9461 * builtins.c (expand_builtin_sync_operation,
9462 expand_builtin_compare_and_swap,
9463 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
9464 correctly.
9465
9466 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
9467 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
9468 for operand 3.
9469
9470 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9471
9472 * doc/tm.texi: Add brackets around the return type of
9473 TARGET_SECONDARY_RELOAD.
9474
9475 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
9476 Richard Guenther <rguenther@suse.de>
9477
9478 PR tree-optimization/31254
9479 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9480 Use handled_component_p () where appropriate. Continue
9481 propagating into the rhs if we propagated into an INDIRECT_REF
9482 on the lhs.
9483
9484 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9485
9486 * config/s390/s390.md (op_type attribute): RRR instruction type added.
9487 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
9488 (xde, xdee): Mode attributes adjusted to support DFP modes.
9489 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
9490 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
9491 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
9492 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
9493 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
9494 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9495 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
9496 numbers.
9497 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
9498 "movsf"): Insn definitions removed.
9499 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
9500 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
9501 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
9502 definitions added.
9503 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
9504 "reload_in<mode>", "reload_out<mode>"): Expander added.
9505 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
9506 Expander removed.
9507
9508 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9509
9510 * config/s390/s390.md: Only non-functional changes. Renamed
9511 FPR mode macro to BFP all over the file.
9512
9513 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9514
9515 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
9516 (op_type attribute): RRF instruction type added.
9517 (fT0): New mode attribute.
9518 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9519 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
9520 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
9521 no secondary memory is needed when moving DFmode values between GPRs
9522 and FPRs.
9523
9524 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9525
9526 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
9527 inverted and documentation adjusted.
9528 ("mhard-dfp", "msoft-dfp"): New options.
9529 * config/s390/s390.c (s390_handle_arch_option): New architecture
9530 switch: z9-ec.
9531 (override_options): Sanity checks for the new options added.
9532 * config.gcc: New architecture switch: z9-ec.
9533 * config/s390/s390.h (processor_flags): PF_DFP added.
9534 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
9535 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
9536 when the bit is NOT set so remove it from the defaults.
9537
9538 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9539
9540 * genemit.c (main): Print include statement for dfp.h.
9541 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
9542 is not available.
9543
9544 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9545
9546 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
9547
9548 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
9549
9550 PR target/31022
9551 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
9552 instead of PATTERN.
9553
9554 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9555
9556 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
9557 attr_length_call, output_call, output_indirect_call): Cleanup
9558 formatting of targetm calls.
9559
9560 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9561
9562 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
9563
9564 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9565
9566 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
9567 reservation, bypass and anti-bypass descriptions for these instructions.
9568 Update move patterns.
9569 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
9570 TYPE_FPSTORE.
9571
9572 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
9573
9574 * tree-vect-transform.c (get_initial_def_for_induction): Replace
9575 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
9576 (get_initial_def_for_reduction): Likewise.
9577
9578 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
9579
9580 Fix PR tree-optimization/29922
9581 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
9582 (get_representative): Removed.
9583 (value_dies_in_block_x): Update for rvuse removal.
9584 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
9585 (compute_antic_aux): Handle when PHI nodes appear in
9586 non-single-successors.
9587 (dump_bitmap_of_names): Removed.
9588 (compute_antic_safe): Renamed and removed rvuse calculation.
9589 Calculate only antic safe.
9590 (insert_into_preds_of_block): Remove assert.
9591 (execute_pre): Update for renamed functions.
9592 (defer_or_phi_translate_block): New function.
9593
9594 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9595
9596 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
9597 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
9598 typos.
9599 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
9600 Follow spelling conventions.
9601
9602 * tree-data-ref.h: Remove the prototype for analyze_array.
9603
9604 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
9605
9606 PR tree-optimization/31041
9607 * tree-vect-transform.c (get_initial_def_for_induction): Call
9608 force_gimple_operand.
9609
9610 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
9611
9612 * ipa-type-escape.c (look_for_casts) : Revert code to use
9613 handled_component_p due to ada test a-numaux.adb.
9614
9615 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9616
9617 * final.c (final_scan_insn): Alter the condition of a
9618 conditional trap if we have nonstandard CC.
9619
9620 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9621
9622 * configure.ac: Remove excess quoting from asm line 0 test.
9623 * configure: Rebuilt.
9624
9625 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9626
9627 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
9628 * c-common.c (convert_and_check): Move warning logic to...
9629 (warnings_for_convert_and_check): ...here. Define.
9630 * c-common.h (warnings_for_convert_and_check): Declare.
9631
9632 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9633
9634 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
9635 (output_call): Likewise.
9636
9637 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9638
9639 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
9640
9641 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9642
9643 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
9644
9645 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
9646
9647 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
9648 opteron, athlon-64 and athlon-fx processor_alias_table entries.
9649
9650 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
9651
9652 PR tree-optimization/31183
9653 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
9654 Use double_int instead of unsigned int for representing access_strides.
9655 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
9656
9657 2007-03-16 Richard Guenther <rguenther@suse.de>
9658
9659 PR tree-optimization/31146
9660 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
9661 to allow recursion of forward_propagate_addr_expr.
9662 (forward_propagate_addr_into_variable_array_index): Likewise.
9663 (forward_propagate_addr_expr): Likewise.
9664 (tree_ssa_forward_propagate_single_use_vars): Likewise.
9665 (forward_propagate_addr_expr_1): Recurse on simple copies
9666 instead of propagating into them. Do so for useless conversions
9667 as well.
9668 (forward_propagate_addr_expr): Clean up unused statements after
9669 recursion.
9670
9671 2007-03-16 Richard Guenther <rguenther@suse.de>
9672
9673 * builtins.c (expand_builtin_cexpi): Use the right argument
9674 for the expansion via cexp.
9675
9676 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9677
9678 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
9679 * configure: Rebuilt.
9680
9681 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9682
9683 PR debug/29906
9684 * dwarf2out.c (force_type_die): Adjust comment.
9685 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
9686
9687 2007-03-15 DJ Delorie <dj@redhat.com>
9688
9689 * config/frv/predicates.md (minmax_operator): Don't check operands
9690 here.
9691
9692 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9693
9694 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
9695 Update constant estimates of number of iterations.
9696 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
9697 argument renamed to "realistic".
9698 (compute_estimated_nb_iterations): Removed.
9699 (record_niter_bound): New function.
9700 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
9701 call record_nonwrapping_iv with upper = false.
9702 (infer_loop_bounds_from_signedness): Pass upper argument to
9703 record_nonwrapping_iv.
9704 (estimate_numbers_of_iterations_loop): Do not call
9705 compute_estimated_nb_iterations. Record estimate based on profile
9706 information. Initialize the constant estimates of number of
9707 iterations.
9708 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
9709 estimates.
9710 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
9711 number of iterations is too small.
9712 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
9713 (EST_NOT_AVAILABLE): Removed.
9714 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
9715 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
9716 fields.
9717
9718 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9719
9720 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
9721 Handle NE_EXPR guards.
9722
9723 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9724
9725 PR c++/24924
9726 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
9727 Set also -pedantic-errors by default for the preprocessor unless
9728 -fpermissive is given.
9729
9730 2007-03-15 Richard Guenther <rguenther@suse.de>
9731
9732 PR middle-end/29719
9733 PR middle-end/31161
9734 * builtins.c (expand_builtin_cexpi): As a fallback if we
9735 don't have builtins for sincos or cexp create a function
9736 declaration for cexp and expand to a call to that.
9737 (expand_builtin_int_roundingfn): Always fall
9738 back to floor/ceil and its variants even if they may be
9739 not available.
9740
9741 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
9742
9743 PR middle-end/31159
9744 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
9745 jump tables, move the call to delete_dead_jumptables from here...
9746 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
9747 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
9748 don't allow merging of blocks that try_redirect_by_replacing_jump
9749 also does not handle when not optimizing.
9750
9751 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9752 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9753
9754 * config/i386/i386.md (x86_sahf_1): Correctly handle
9755 HAVE_AS_IX86_SAHF.
9756
9757 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9758
9759 PR target/31167
9760 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
9761 x86_64_general_operand as operand[2] predicate. Remove "iF"
9762 from operand constraints and use "e" constraint instead.
9763 (*subti3_1, *subti3_1 splitter): Ditto.
9764 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
9765 operand[1] predicate.
9766
9767 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
9768
9769 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
9770 arrays, multiply the access strides by the size of the sub-array.
9771 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
9772
9773 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9774
9775 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
9776 the configured assembler supports the sahf mnemonic.
9777 * configure: Regenerate.
9778 * config.in: Regenerate.
9779
9780 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
9781 emit "sahf" or ".byte\t0x9e" as asm template.
9782
9783 2007-03-14 Michael Meissner <michael.meissner@amd.com>
9784
9785 PR 31018
9786 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
9787 option to replace hard coded TARGET_xxx in md file.
9788 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
9789 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9790 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
9791 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
9792 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
9793 (X86_TUNE_NOT_VECTORMODE): Ditto.
9794 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
9795 (TUNE_AVOID_VECTOR_DECODE): Ditto.
9796 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9797 (TUNE_SLOW_IMUL_IMM8): Ditto.
9798 (TUNE_MOVE_M1_VIA_OR): Ditto.
9799 (TUNE_NOT_UNPAIRABLE): Ditto.
9800 (TUNE_NOT_VECTORMODE): Ditto.
9801
9802 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
9803 options.
9804
9805 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
9806 tuning options instead of hard coded TARGET_xxx.
9807 (fix ssemode peephole2's): Ditto.
9808 (imul peephole2's): Ditto.
9809 (movsi_or): Ditto.
9810 (movdi_or_rex64): Ditto.
9811 (move peephole2): Ditto.
9812 (not peephole2's): Ditto.
9813
9814 2007-03-14 Dirk Mueller <dmueller@suse.de>
9815
9816 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
9817 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
9818 * c-parser.c (c_parser_if_body): Always add an empty statement in case
9819 of empty body.
9820 * c-parser.c (c_parser_do_statement): Warn about empty body in
9821 do/while statement.
9822 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
9823 * doc/invoke.texi (-Wempty-body): Update documentation.
9824
9825 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9826
9827 PR c/21438
9828 * c-common.h (warn_for_div_by_zero): Declare.
9829 * c-common.c (warn_for_div_by_zero): Define.
9830 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
9831 warning.
9832
9833 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9834
9835 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
9836 to PREFIX and STANDARD_PREFIX.
9837
9838 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9839 Phil Edwards <phil@codesourcery.com>
9840
9841 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
9842 (__gthread_once_t): Remove busy field for RTPs.
9843 (__GTHREAD_ONCE_INIT): Update accordingly.
9844
9845 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9846
9847 * doc/invoke.texi: Document VxWorks options.
9848
9849 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9850
9851 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
9852
9853 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
9854
9855 PR tree-optimization/30590
9856 * tree-nrv.c (tree_nrv): Check for the partial update of the
9857 return value.
9858
9859 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
9860
9861 * flags.h (flag_random_seed): Remove declaration, in favor of...
9862 * toplev.h (get_random_seed, set_random_seed): ... these.
9863 * tree.c (get_file_function_name): Use the former.
9864 * opts.c (common_handle_option): Use the latter.
9865 * toplev.c
9866
9867 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
9868
9869 PR middle-end/31127
9870 * cse.c (cse_find_path): Do not bail out if a basic block that
9871 we already visited now becomes part of a path that starts at a
9872 different basic block. Just disallow this, to make sure we
9873 visit each basic block at most once.
9874
9875 2007-03-13 Jan Hubicka <jh@suse.cz>
9876
9877 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
9878 when profile esitmate is present, calls with very low frequency are
9879 cold.
9880
9881 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9882
9883 PR tree-optimization/30730
9884 PR tree-optimization/26900
9885 * tree-ssa-loop-niter.c: Include gmp.h.
9886 (bounds): New type.
9887 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
9888 split_to_var_and_offset, determine_value_range,
9889 bound_difference_of_offsetted_base, refine_bounds_using_guard,
9890 bound_difference, bounds_add, bounds_negate,
9891 number_of_iterations_ne_max, dump_affine_iv): New functions.
9892 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9893 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
9894 difference of initial and final value of control iv to validate
9895 results.
9896 (number_of_iterations_cond): Add loop parameter. Determine bounds
9897 on the difference of the extremes of the control iv. Add dumps.
9898 (expand_simple_operations): Handle phi nodes.
9899 (simplify_using_initial_conditions): Do not record used conditions.
9900 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
9901 Do not set additional_info.
9902 (implies_nonnegative_p, implies_ge_p): Removed.
9903 (derive_constant_upper_bound): Do not use parameter `additional'.
9904 (record_estimate): Parameter `additional' removed. Parameter
9905 `i_bound' added. Do not call derive_constant_upper_bound.
9906 (record_nonwrapping_iv): Use derive_constant_upper_bound to
9907 bound the number of iterations estimate.
9908 (estimate_numbers_of_iterations_loop): Pass the estimate from
9909 the number of iterations analysis to record_estimate.
9910 * tree.h (multiple_of_p): Declare.
9911 * tree-scalar-evolution.c (expression_expensive_p): Removed.
9912 (scev_const_prop): Do not check expression_expensive_p.
9913 * fold-const.c (multiple_of_p): Exported.
9914 * double-int.c (double_int_mask): Exported.
9915 * double-int.h (double_int_mask): Declare.
9916 * tree-flow.h (struct tree_niter_desc): Removed additional_info
9917 field. Added max field.
9918
9919 2007-03-13 David Taylor <taylor@candd.org>
9920
9921 PR driver/12448:
9922 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
9923 default -MQ.
9924
9925 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9926
9927 PR target/31123
9928 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
9929 two unamed patterns.
9930
9931 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
9932
9933 * config/i386/i386.opt (mcx16, msahf): New options.
9934 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
9935 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
9936
9937 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
9938 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
9939 Output -mcx16 and -msahf options when corresponding bit is set.
9940
9941 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
9942 and -msahf options.
9943
9944 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
9945
9946 * configure.ac: Test for assembler tolerance to # 0 "".
9947 * configure, config.in: Rebuilt.
9948 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
9949
9950 2007-03-13 Geoffrey Keating <geoffk@apple.com>
9951
9952 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
9953
9954 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
9955 (handle_syscall): Handle direct system calls.
9956 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
9957
9958 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
9959
9960 * doc/invoke.texi: Fix cpp.info cross-reference.
9961 * doc/passes.texi: Fix gcc.info cross-reference.
9962
9963 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
9964
9965 PR tree-optimization/30835
9966 * lambda-code.c (can_convert_to_perfect_nest): Check whether
9967 bb_for_stmt is not NULL before accessing it.
9968
9969 2007-03-12 Joseph Myers <joseph@codesourcery.com>
9970
9971 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
9972 some multilibs.
9973
9974 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
9975
9976 PR 30635
9977 * doc/install.texi: Document --enable-stage1-languages
9978
9979 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
9980
9981 * tree-pass.h (pass_into_cfg_layout_mode,
9982 pass_outof_cfg_layout_mode): Declare.
9983 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
9984 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
9985 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
9986 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
9987
9988 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
9989
9990 * c-decl.c (warn_variable_length_array): New function.
9991 Refactored from grokdeclarator to handle warn_vla
9992 and handle unnamed array case.
9993 (grokdeclarator): Refactored VLA warning case.
9994 * c.opt (Wvla): New flag.
9995 * doc/invoke.texi (Wvla): New warning.
9996
9997 2007-03-12 Richard Henderson <rth@redhat.com>
9998
9999 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
10000 (TARGET_SECTION_TYPE_FLAGS): New.
10001
10002 2007-03-12 Richard Henderson <rth@redhat.com>
10003
10004 * config/darwin.c (machopic_reloc_rw_mask): New.
10005 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10006 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
10007
10008 2007-03-12 Mark Mitchell <mark@codesourcery.com>
10009
10010 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
10011 * cppdefault.h (cpp_PREFIX): Document.
10012 (cpp_PREFIX_len): Likewise.
10013 (cpp_EXEC_PREFIX): New variable.
10014 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
10015 * c-incpath.c (add_standard_paths): Correct logic for relocating
10016 paths within prefix.
10017
10018 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
10019
10020 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
10021 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
10022 mode macro.
10023 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
10024 fix_truncdfdi_sse using SSEMODEF mode macro.
10025 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
10026 fix_truncdfsi_sse using SSEMODEF mode macro.
10027 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
10028 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
10029
10030 2007-03-12 Richard Sandiford <richard@codesourcery.com>
10031
10032 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
10033 elfos.h to tm_file.
10034
10035 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
10036
10037 * tree.h : Add multiple_of_p declaration.
10038 * fold-const.c (multiple_of_p): Make multiple_of_p public.
10039 * ipa-type-escape.c (results_of_malloc): Redundant.
10040 (visited_stmts): New. Visited stmt for walk_use_def_chains.
10041 (cast_type): Extended with new members.
10042 (check_cast): Returns cast_type.
10043 (cast): New structure for data of walk_use_def_chains.
10044 (is_malloc_result, is_cast_from_non_pointer_1,
10045 is_cast_from_non_pointer,
10046 is_array_access_through_pointer_and_index): New functions.
10047 (look_for_casts): Returns cast types.
10048 (check_call): Returns void.
10049 (okay_pointer_operation): Use support of pointer plus index,
10050 pointer plus constant and allow all multiplications.
10051
10052 2007-03-11 Richard Guenther <rguenther@suse.de>
10053
10054 PR tree-optimization/31115
10055 * tree-vrp.c (extract_range_from_binary_expr): Make sure
10056 the shift count is positive and non-anti-range for RSHIFT_EXPR.
10057 A shift count of zero is not special as with *_DIV_EXPR.
10058 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
10059 direction.
10060
10061 2007-03-11 Ian Lance Taylor <iant@google.com>
10062
10063 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
10064 the *_DIV_EXPR codes correctly with overflow infinities.
10065
10066 2007-03-11 Ira Rosen <irar@il.ibm.com>
10067
10068 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
10069 indicate success/failure of the analysis. Add negation to subtrahend
10070 in case of subtraction. Fail if both operands contain constants.
10071 (create_data_ref): Fail if analyze_offset fails.
10072
10073 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
10074
10075 * config/i386/i386.md (frndintxf2): Rename to ...
10076 (rintxf2): ... this. Remove expander having same name.
10077 (rintsf2, rintdf2): Implement using SSEMODEF macro.
10078 (roundsf2, rounddf2): Ditto.
10079 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
10080 (lround<mode>di2, lround<mode>si2): Ditto.
10081
10082 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
10083
10084 * lower-subreg.c: Include except.h.
10085 (decompose_multiword_subregs): Verify that the only control flow
10086 insns we can split are loads to multi-words pseudos.
10087 Handle breaking such blocks after splitting, instead of calling
10088 find_many_sub_basic_blocks.
10089
10090 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
10091 on the new basic block. Add a lengthy comment explaining why we
10092 thought this was necessary.
10093 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
10094
10095 2007-03-10 Mark Mitchell <mark@codesourcery.com>
10096
10097 PR c++/30924
10098 * tree.c (walk_type_fields): Recurse into the element type of
10099 ARRAY_TYPEs if there is a pointer set.
10100
10101 2007-03-10 Dirk Mueller <dmueller@suse.de>
10102
10103 * c-common.c (warn_logical_operator): Fix condition.
10104
10105 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
10106
10107 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
10108 quotation mark.
10109 * config/darwin.c (machopic_select_section): Remove superfluous
10110 argument in call to categorize_decl_for_section. Remove unused
10111 variable shlib.
10112
10113 2007-03-10 Joseph Myers <joseph@codesourcery.com>
10114
10115 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
10116 defined.
10117 * configure: Regenerate.
10118
10119 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
10120
10121 PR target/31101
10122 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
10123 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
10124 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
10125 Add LABEL_NUSES to emitted label.
10126 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
10127 branch probability value to emitted jump insn.
10128 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
10129 Do not check life information and do not re-arrange input operands
10130 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
10131
10132 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10133
10134 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
10135 the change of decode_asm_operands.
10136
10137 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10138
10139 * mode-switching.c (create_pre_exit): Skip blockage insn.
10140
10141 2007-03-09 Diego Novillo <dnovillo@redhat.com>
10142
10143 * tree-pass.h (TODO_update_smt_usage): Remove.
10144 Update all users.
10145 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
10146 argument SOME.
10147 Update all users.
10148
10149 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10150
10151 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
10152 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
10153 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
10154 SOM target.
10155
10156 2007-03-09 Geoffrey Keating <geoffk@apple.com>
10157
10158 * gcc.c: Document %{, in big comment at top.
10159 (input_suffix_matches): Remove special handling for .s and
10160 .S.
10161 (input_spec_matches): New.
10162 (handle_braces): Handle %{,.
10163 (validate_switches): ',' indicates a value which is not a switch.
10164 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
10165 to detect assembler input.
10166 * config/i386/sol2.h (CPP_SPEC): Likewise.
10167 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
10168 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
10169 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
10170 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
10171 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
10172 -m64 causes deployment target to default to 10.5.
10173 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10174
10175 2007-03-09 Richard Henderson <rth@redhat.com>
10176
10177 PR target/26090
10178 * target.h (targetm.asm.out.reloc_rw_mask): New.
10179 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
10180 (TARGET_ASM_OUT): Use it.
10181 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
10182 * varasm.c (categorize_decl_for_section): Remove shlib argument;
10183 use the new reloc_rw_mask target hook instead.
10184 (default_section_type_flags_1): Merge into...
10185 (default_section_type_flags): ... here.
10186 (decl_readonly_section_1): Merge into...
10187 (decl_readonly_section): ... here.
10188 (default_elf_select_section_1): Merge into...
10189 (default_elf_select_section): ... here.
10190 (default_unique_section_1): Merge into...
10191 (default_unique_section): ... here.
10192 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
10193 (default_select_rtx_section): Use it.
10194 (default_elf_select_rtx_section): Likewise.
10195 * output.h: Update to match.
10196 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
10197 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
10198 (TARGET_ASM_RELOC_RW_MASK): New.
10199 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
10200 to categorize_decl_for_section.
10201 (x86_64_elf_unique_section): Likewise.
10202 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
10203 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
10204 (TARGET_ASM_RELOC_RW_MASK): New.
10205 * config/ia64/ia64.c (ia64_rwreloc_select_section,
10206 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
10207 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
10208 (TARGET_RWRELOC): Remove.
10209 (ia64_section_type_flags): Adjust call to default_section_type_flags.
10210 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10211 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
10212 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
10213 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
10214 (rs6000_xcoff_select_section): Use decl_readonly_section.
10215 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
10216 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10217 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
10218 (TARGET_SECTION_TYPE_FLAGS): Remove.
10219 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
10220
10221 2007-03-09 Roger Sayle <roger@eyesopen.com>
10222
10223 * fold-const.c (fold_comparison): Remove compile-time evaluation of
10224 complex constant equality/inequality comparisons for here.
10225 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
10226 known at compile-time or can be simplified to a scalar comparison.
10227 (fold_relational_const): Move compile-time evaluation of complex
10228 constant equality/inequality comparisons to here.
10229
10230 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10231
10232 PR rtl-optimization/30643
10233 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
10234 dest_addr_elt.
10235 (fold_rtx): Recurse, like before 2006-11-03.
10236
10237 2007-03-09 DJ Delorie <dj@redhat.com>
10238
10239 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
10240 m32c-pragma.o.
10241
10242 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
10243
10244 PR tree-optimization/30375
10245 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
10246 LHS of statements is not the same.
10247 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
10248
10249 2007-03-09 Chao-ying Fu <fu@mips.com>
10250
10251 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
10252 REV 2.
10253 * doc/invoke.texi (-mdspr2): Document new option.
10254 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
10255 New unspec for DSP REV 2.
10256 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
10257 these instructions are extended in DSP REV 2.
10258 (mips-dspr2.md): Include.
10259 * config/mips/mips.opt (mdspr2): New option.
10260 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
10261 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
10262 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
10263 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
10264 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
10265 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
10266 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
10267 and 2 builtins.
10268 (bdesc_map): Add one field of unsupported_target_flags.
10269 (bdesc_arrays): Update entries to have extra fields. Add
10270 dsp_32only_bdesc.
10271 (mips_init_builtins): Initialize new function types.
10272 Check unsupported_target_fileds to filter out builtins.
10273 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
10274 TARGET_DSPR2.
10275 (ASM_SPEC): Pass mdspr2 to the assembler.
10276 * config/mips/mips-dspr2.md: New file.
10277
10278 2007-03-09 Sa Liu <saliu@de.ibm.com>
10279
10280 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
10281
10282 2007-03-09 Ian Lance Taylor <iant@google.com>
10283
10284 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
10285 argument) like -Wstrict-overflow=2.
10286 * doc/invoke.texi (Warning Options): Update documentation.
10287
10288 2007-03-09 Dirk Mueller <dmueller@suse.de>
10289
10290 PR c++/17946
10291 * doc/invoke.texi (-Wlogical-op): Document.
10292 * common.opt (-Wlogical-op): New.
10293 * c-common.h (warn_logical_operator): Declare.
10294 * c-common.c (warn_logical_operator): Define.
10295 * c-typeck.c (parser_build_binary_op): Call
10296 warn_logical_operator.
10297
10298 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10299
10300 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
10301 * final.c (final_scan_insn): Test for non-"" file name.
10302
10303 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
10304
10305 * doc/loop.texi: Document the Omega linear constraints solver.
10306 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
10307 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
10308 omega-hash-table-size, omega-max-keys, and
10309 omega-eliminate-redundant-constraints.
10310 * tree-pass.h (pass_check_data_deps): Declared.
10311 * omega.c: New.
10312 * omega.h: New.
10313 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
10314 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
10315 pass_check_data_deps): New.
10316 * tree-data-ref.c (init_data_ref): Remove declaration.
10317 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
10318 (analyze_array): Renamed init_array_ref, move up initializations.
10319 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
10320 Removed arguments that are set to NULL.
10321 (analyze_indirect_ref): Correct indentation, correct call to
10322 init_pointer_ref.
10323 (object_analysis): Call init_array_ref instead of analyze_array.
10324 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
10325 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
10326 of DR_ACCESS_FNS_ADDR.
10327 (init_omega_eq_with_af, omega_extract_distance_vectors,
10328 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
10329 ddr_consistent_p): New.
10330 (compute_affine_dependence): Check consistency of ddrs when
10331 flag_check_data_deps is passed.
10332 (analyze_all_data_dependences): Uncomment.
10333 (tree_check_data_deps): New.
10334 * tree-data-ref.h: Include omega.h.
10335 (DR_ACCESS_FNS_ADDR): Removed.
10336 (data_dependence_relation): Add inner_loop.
10337 (DDR_INNER_LOOP): New.
10338 * common.opt (fcheck-data-deps): New.
10339 * tree-flow.h (tree_check_data_deps): Declare.
10340 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
10341 (OBJS-common): Depend on omega.o.
10342 (omega.o): Define.
10343 * passes.c (pass_check_data_deps): Scheduled.
10344 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
10345 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
10346 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
10347 PARAM_VECT_MAX_VERSION_CHECKS,
10348 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
10349
10350 2007-03-09 Richard Guenther <rguenther@suse.de>
10351
10352 PR tree-optimization/30904
10353 PR middle-end/31058
10354 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
10355 the same way as *_DIV_EXPR.
10356
10357 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10358
10359 * recog.c (decode_asm_operands): No mixed declarations and code.
10360
10361 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10362
10363 * rtl.def (ASM_INPUT): Add location.
10364 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
10365 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
10366 (decode_asm_operands): Add loc operand.
10367 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
10368 * stmt.c (expand_asm): Rename to...
10369 (expand_asm_loc): ... this. Add locus argument. Pass it on to
10370 gen_rtx_ASM_INPUT_loc.
10371 (expand_asm_expr): Adjust.
10372 * recog.c (decode_asm_operands): Add loc operand.
10373 (check_asm_operands, extract_insn): Adjust.
10374 * reload1.c (maybe_fix_stack_asms): Likewise.
10375 * final.c (asm_insn_count): Likewise.
10376 (final_scan_insn): Output # line before and after asm.
10377
10378 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
10379
10380 * tree-ssa-structalias.c (variable_info): Remove
10381 finished_solution.
10382 (new_var_info): Ditto.
10383 (shared_bitmap_info_t): New structure.
10384 (shared_bitmap_table): New variable.
10385 (shared_bitmap_hash): New function.
10386 (shared_bitmap_eq): Ditto
10387 (shared_bitmap_lookup): Ditto.
10388 (shared_bitmap_add): Ditto.
10389 (merge_smts_into): Change to take bitmap directly.
10390 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
10391 (init_alias_vars): Init shared bitmap hashtable.
10392 (delete_points_to_sets): Delete shared bitmap hashtable.
10393 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
10394 is_aliased removal as a change that was still necessary was
10395 deleted.
10396
10397 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
10398
10399 * config/i386/i386.h (override_options): Conditionally disable
10400 x86_sahf for 64bit targets only.
10401
10402 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
10403
10404 PR C/31072
10405 * c-decl.c (merge_decls): Don't call make_var_volatile.
10406 * varasm.c (make_var_volatile): Remove.
10407 * output.h (make_var_volatile): Remove.
10408
10409 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
10410
10411 PR tree-optimization/31085
10412 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
10413
10414 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10415
10416 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
10417 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
10418 ATTR_CONST_NOTHROW_LIST.
10419
10420 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
10421 FIX_TRUNC_EXPR.
10422
10423 2007-03-08 Diego Novillo <dnovillo@redhat.com>
10424
10425 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
10426
10427 2007-03-08 Geoffrey Keating <geoffk@apple.com>
10428
10429 PR 31013
10430 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
10431 is declared.
10432 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
10433 passed, use shared libgcc.
10434
10435 2007-03-08 Roger Sayle <roger@eyesopen.com>
10436
10437 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
10438 instead of calling build2 with a GIMPLE_MODIFY_STMT.
10439 (honor_protect_cleanup_actions, lower_try_finally_switch):
10440 Likewise.
10441 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
10442 ifc_temp_var): Likewise.
10443 * tree-inline.c (setup_one_parameter): Likewise.
10444 * tree-mudflap.c (mf_decl_cache_locals,
10445 mf_build_check_statement_for): Likewise.
10446 * tree-nested.c (init_tmp_var, save_tmp_var,
10447 finalize_nesting_tree_1): Likewise.
10448 * tree-outof-ssa.c (insert_copy_on_edge,
10449 insert_backedge_copies): Likewise.
10450 * tree-profile.c (tree_gen_edge_profiler,
10451 tree_gen_ic_profiler): Likewise.
10452 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10453 * tree-sra.c (sra_build_assignment): Likewise.
10454 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
10455 * tree-ssa-math-opts.c (insert_reciprocals,
10456 execute_cse_sincos_1): Likewise.
10457 * tree-tailcall.c (adjust_accumulator_values,
10458 adjust_return_value): Likewise.
10459 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
10460 * tree-vect-transform.c (vect_create_data_ref_ptr,
10461 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
10462 vect_create_epilog_for_reduction, vectorizable_reduction,
10463 vectorizable_call, vectorizable_conversion,
10464 vectorizable_assignment, vectorizable_operation,
10465 vectorizable_type_demotion, vect_gen_widened_results_half,
10466 vect_permute_store_chain, vectorizable_store,
10467 vect_setup_realignment, vect_permute_load_chain,
10468 vectorizable_load, vectorizable_condition,
10469 vect_create_cond_for_align_checks): Likewise.
10470 * tree-vrp.c (build_assert_expr_for): Likewise.
10471
10472 2007-03-08 Ian Lance Taylor <iant@google.com>
10473
10474 * tree-vrp.c: Include "intl.h".
10475 (usable_range_p): New static function.
10476 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
10477 overflowed values, juts set *strict_overflow_p.
10478 (compare_values): Only return -2 if one of the operands is not a
10479 constant.
10480 (compare_ranges): Call usable_range_p.
10481 (compare_range_with_value): Likewise.
10482 (vrp_evaluate_conditional_warnv): Rename from
10483 vrp_evaluate_conditional. Make static. Change all callers.
10484 (vrp_evaluate_conditional): New function.
10485 (simplify_div_or_mod_using_ranges): Issue warning about reliance
10486 on signed overflow.
10487 (simplify_abs_using_ranges): Likewise.
10488 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
10489 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
10490 within_stmt parameter.
10491 * tree-ssa-propagate.c (fold_predicate_in): Update call to
10492 vrp_evaluate_conditional.
10493 * tree-ssa-threadedge.c
10494 (record_temporary_equivalences_from_stmts_at_dest): Change
10495 simplify parameter to take a second tree parameter.
10496 (simplify_control_stmt_condition): Likewise.
10497 (thread_across_edge): Likewise.
10498 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
10499 (thread_across_edge): Likewise.
10500 * Makefile.in (tree-vrp.o): Depend upon intl.h.
10501
10502 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
10503
10504 * config/i386/i386.h (TARGET_SAHF): New define.
10505 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
10506 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
10507 (x86_sahf): New global variable.
10508 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
10509 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
10510 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
10511 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
10512 for 64-bit.
10513 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
10514 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
10515 when expanding fcomi/sahf based tests.
10516 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
10517 expanding sahf based alternative. Emit sahf based sequence when
10518 optimizing for code size.
10519 * config/i386/i386.md (x86_sahf_1): Do not disable for
10520 TARGET_64BIT, enable for TARGET_SAHF.
10521
10522 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
10523
10524 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
10525 spurious whitespace from error message.
10526
10527 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
10528
10529 PR c++/30852
10530 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
10531
10532 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
10533
10534 * c-decl.c (grokdeclarator): Disable warnings for anonymous
10535 bitfields.
10536 * tree-sra.c (instantiate_element): Propagate disabled warnings
10537 from the element itself to the created variable.
10538
10539 2007-03-07 Richard Henderson <rth@redhat.com>
10540
10541 PR target/30848
10542 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
10543 silently fix up the stack in the case of a missing register.
10544
10545 2007-03-07 Paul Brook <paul@codesourcery.com>
10546
10547 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
10548
10549 2007-03-07 Joseph Myers <joseph@codesourcery.com>
10550
10551 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
10552 New.
10553 (phase1_vrs): Use them.
10554 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
10555 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
10556 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
10557 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
10558 __gnu_Unwind_Restore_WMMXC if required.
10559 (_Unwind_VRS_Pop): Implement iWMMXt support.
10560 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
10561 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
10562 gnu_Unwind_Save_WMMXC): Define.
10563
10564 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10565
10566 * config/vxworks.h (vxworks_override_options): Declare.
10567 (VXWORKS_OVERRIDE_OPTIONS): Use it.
10568 * config/vxworks.c: Include target.h and toplev.h.
10569 (vxworks_override_options): New function.
10570 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
10571
10572 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
10573
10574 * config/s390/s390.c (override_options): Don't emit an error when
10575 -mstack-size is used without providing -mstack-guard.
10576 (s390_emit_prologue): Choose stack_guard value automatically if not
10577 provided via command line.
10578 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
10579
10580 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10581
10582 * config/i386/i386.c (output_set_got): Add a GOT initialization
10583 sequence for VxWorks PIC.
10584 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
10585 around labels as well as symbols. Use gotoff_operand instead
10586 of local_symbolic_operand.
10587 (legitimize_pic_address): Use gotoff_operand instead of
10588 local_symbolic_operand. Use @GOT accesses for labels as
10589 well as symbols.
10590 (ix86_output_addr_diff_elt): Use PC-relative rather than
10591 GP-relative offsets for VxWorks PIC.
10592 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
10593 no_new_pseudos. Check whether the returned register is op0.
10594 * config/i386/i386.md (tablejump): Use PC-relative rather than
10595 GP-relative offsets for VxWorks PIC.
10596 * config/i386/predicates.md (gotoff_operand): New predicate.
10597
10598 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10599
10600 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
10601 before defining.
10602 * config/vxworks-dummy.h: New file.
10603 * config/i386/i386.h: Include it.
10604
10605 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
10606
10607 * dwarf2out.c (is_inlined_entry_point): New
10608 (add_high_low_attributes): Emit DW_AT_entry_pc along with
10609 DW_AT_ranges if the first subblock is the entry point.
10610
10611 2007-03-06 David Daney <ddaney@avtrex.com>
10612
10613 * doc/install.texi (mips-*-*): Change recommended binutils
10614 version.
10615
10616 2007-03-06 Anatoly Sokolov <aesok@post.ru>
10617
10618 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
10619 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
10620 devices.
10621 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10622 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10623
10624 2007-03-06 Jan Hubicka <jh@suse.cz>
10625
10626 * errors.h (warning, error, fatal, internal_error): Mark as cold.
10627 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
10628 are hot.
10629 (probably_cold_bb_p): Cold functions are cold.
10630 (probably_never_executed_bb_p): Cold functions are cold.
10631 (tree_bb_level_predictions): Predict calls to cold functions as not
10632 taken.
10633 (compute_function_frequency): Check hot/cold attributes.
10634 * function.h (function_frequency): Update comments.
10635 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
10636 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
10637 (c_common_att): Add cold and hot.
10638
10639 * doc/extend.texi (hot,cold attributes): Document.
10640
10641 2007-03-06 Andrew Haley <aph@redhat.com>
10642
10643 * function.c (expand_function_end): Move blockage to just after we
10644 emit the label for the naked return from the function.
10645
10646 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10647
10648 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
10649 before redefining.
10650
10651 2007-03-06 Jan Hubicka <jh@suse.cz>
10652
10653 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
10654 loaded for constant large models. Non-large 64bit PIC can do.
10655 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
10656 * cmodel.h: Add LARGE PIC.
10657 * i386.md (UNSPEC_PLTOFF): New.
10658 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
10659 needed.
10660 (*call_1_rex64): Disable for large models.
10661 (*call_1_rex64_large): New.
10662 (*call_value_1_rex64): Disable for large models.
10663 (*call_value_1_rex64_large): New.
10664 (set_rip_rex4): New.
10665 (set_got_offset_rex64): New.
10666 * predicates.md (constant_call_address_operand): For large model
10667 constant calls are not possible.
10668 * i386-protos.h (construct_plt_address): Declare.
10669 * i386.c (override_options): Accept large models.
10670 (ix86_expand_prologue): Expand large PIC GOT pointer load.
10671 (legitimate_constant_p): Add new UNSPECs.
10672 (legitimate_pic_operand_p): Likewise.
10673 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
10674 (legitimize_pic_address): Do easy RIP relative way for TLS only for
10675 non-large model.
10676 (output_pic_addr_const): Add PLTOFF.
10677 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
10678 (ix86_expand_move): Legitimize pic address when in PIC mode.
10679 (construct_plt_address): New function.
10680 (ix86_expand_call): Offload the address to register and use GOT pointer
10681 for large model.
10682 * invoke.texi (mcmodel=large): Update documentation.
10683
10684 2007-03-06 Richard Henderson <rth@redhat.com>
10685
10686 * config/i386/i386.c (x86_use_leave, x86_push_memory,
10687 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
10688 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
10689 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
10690 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
10691 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
10692 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
10693 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
10694 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
10695 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10696 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10697 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
10698 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10699 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10700 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
10701 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
10702 x86_schedule, x86_use_bt, x86_pad_returns,
10703 x86_use_xchgb): Merge into ...
10704 (ix86_tune_features): ... here. New array.
10705 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10706 x86_bswap): Merge into ...
10707 (ix86_arch_features): ... here. New array.
10708 (x86_3dnow_a): Remove.
10709 (x86_accumulate_outgoing_args): Make static.
10710 (x86_arch_always_fancy_math_387): Make static.
10711 (ix86_tune_mask, ix86_arch_mask): Move ...
10712 (override_options): ... to local variables here. Apply the
10713 appropriate mask to each element of ix86_arch_features and
10714 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
10715 as were done in the old macros.
10716 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
10717 * config/i386/i386.h (x86_use_leave, x86_push_memory,
10718 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
10719 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
10720 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
10721 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
10722 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
10723 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
10724 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
10725 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
10726 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
10727 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10728 x86_accumulate_outgoing_args, x86_prologue_using_move,
10729 x86_epilogue_using_move, x86_decompose_lea,
10730 x86_arch_always_fancy_math_387, x86_shift1,
10731 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10732 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10733 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
10734 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10735 x86_use_incdec, x86_pad_returns, x86_bswap,
10736 x86_partial_flag_reg_stall): Remove.
10737 (enum ix86_tune_indices): New.
10738 (ix86_tune_features): New.
10739 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
10740 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
10741 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
10742 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
10743 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
10744 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
10745 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
10746 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
10747 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
10748 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
10749 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
10750 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
10751 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
10752 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
10753 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
10754 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
10755 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
10756 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
10757 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
10758 TARGET_EXT_80387_CONSTANTS): Use it.
10759 (enum ix86_arch_indices): New.
10760 (ix86_arch_features): New.
10761 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
10762 TARGET_BSWAP): Use it.
10763 (ix86_tune_mask, ix86_arch_mask): Remove.
10764
10765 2007-03-06 Joseph Myers <joseph@codesourcery.com>
10766
10767 PR bootstrap/31020
10768 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
10769 Define using $${sysroot_headers_suffix}.
10770 * configure: Regenerate.
10771 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
10772 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
10773 defined.
10774 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
10775 * gcc.c (print_sysroot_headers_suffix): New.
10776 (option_map): Include --print-sysroot-headers-suffix.
10777 (display_help): Mention -print-sysroot-headers-suffix.
10778 (process_command): Handle -print-sysroot-headers-suffix.
10779 (do_spec_1): Append multilib directory to include-fixed path if
10780 sysroot suffixes in use.
10781 (main): Handle -print-sysroot-headers-suffix.
10782 * Makefile.in (start.encap): Don't depend on xlimits.h
10783 (xlimits.h): Remove.
10784 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
10785 limits.h for each multilib in fixinc_list.
10786 (fixinc_list, s-fixinc_list): New.
10787 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
10788 generate them for each multilib in fixinc_list.
10789 (stmp-fixproto): Use include-fixed. Run fixproto for each
10790 multilib in fixinc_list.
10791 (mostlyclean): Don't remove xlimits.h.
10792 (clean): Remove include-fixed.
10793 (real-install-headers-tar, real-install-headers-cpio,
10794 real-install-headers-cp): Don't copy include, only include-fixed.
10795 (install-mkheaders): Depend on fixinc_list. Don't depend on
10796 xlimits.h. Save limits.h files for each multilib in fixinc_list.
10797 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
10798 SYSTEM_HEADER_DIR setting in mkheaders.conf.
10799
10800 2007-03-06 Jan Hubicka <jh@suse.cz>
10801
10802 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
10803 NANs easilly.
10804
10805 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10806
10807 * configure.ac: Allow tm_file to contain build-directory files.
10808 * configure: Regenerate.
10809 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
10810 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
10811 * config/m68k/print-sysroot-suffix.sh: New file.
10812
10813 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10814
10815 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
10816 of pic_offset_table_rtx if reload_completed.
10817 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
10818 PIC_OFFSET_TABLE_REGNUM.
10819 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
10820 return true.
10821 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
10822 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
10823
10824 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10825
10826 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10827 functions that call eh_return.
10828
10829 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10830
10831 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10832 functions that need a constant pool.
10833
10834 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10835
10836 PR target/28181
10837 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
10838 (m68k_preferred_reload_class): Likewise.
10839 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
10840 (SECONDARY_RELOAD_CLASS): Define.
10841 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
10842 (LIMIT_RELOAD_CLASS): Delete.
10843 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
10844 registers from storing bytes.
10845 (m68k_secondary_reload_class): New function.
10846 (m68k_preferred_reload_class): Likewise.
10847
10848 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10849
10850 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
10851 leaf functions.
10852 (m68k_expand_prologue): Likewise.
10853
10854 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10855
10856 * config/m68k/m68k-protos.h (output_sibcall): Declare.
10857 (mips_expand_epilogue): Add a bool parameter.
10858 (m68k_legitimize_sibcall_address): Declare.
10859 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
10860 (m68k_expand_epilogue): Add a parameter to select between sibling
10861 and normal epilogues. Only generate a return for the latter.
10862 (m68k_ok_for_sibcall_p): New function.
10863 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
10864 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
10865 (sibcall_value, *sibcall_value): Likewise.
10866 (*call, *call_value): Require !SIBLING_CALL_P.
10867 (epilogue): Update call to m68k_expand_epilogue.
10868 (sibcall_epilogue): New pattern.
10869 * config/m68k/predicates.md (const_call_operand): Say that this
10870 predicate applies to sibling calls too.
10871 (sibcall_operand): New predicate.
10872
10873 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10874
10875 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
10876 alternatives as movsi_cf.
10877 (movsf_cf_hard): Add commentary.
10878
10879 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
10880 Richard Sandiford <richard@codesourcery.com>
10881
10882 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
10883 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
10884 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
10885 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
10886 as being live on exit from an interrupt function.
10887 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
10888 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
10889 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
10890 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
10891 (m68k_interrupt_function_p): Globalize.
10892 (m68k_compute_frame_layout): Remove reverse mask code.
10893 (m68k_emit_movem, m68k_set_frame_related): New functions.
10894 (m68k_output_function_prologue): Delete in favor of...
10895 (m68k_expand_prologue): ...this new function.
10896 (m68k_output_function_epilogue): Delete in favor of...
10897 (m68k_expand_epilogue): ...this new function.
10898 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
10899 functions.
10900 (print_operand): Handle %?.
10901 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
10902 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
10903 (prologue, epilogue): New patterns.
10904 (return): Turn into a define_expand.
10905 (*return): New pattern, derived from old "return" pattern. Use rte
10906 rather than rts for interrupt functions. Only use rtd if the pop
10907 count is nonzero.
10908 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
10909 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
10910 (link, *link, unlink, *unlink, load_got): Likewise.
10911
10912 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10913
10914 PR target/23482
10915 PR target/17114
10916 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
10917 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
10918 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
10919 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
10920 and m68k_matches_u_p.
10921 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
10922 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
10923 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
10924 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
10925 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
10926 (REG_STRICT_P): New macro.
10927 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
10928 PCREL_GENERAL_OPERAND_OK.
10929 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
10930 m68k_legitimate_base_reg_p.
10931 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
10932 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
10933 (PIC_CASE_VECTOR_ADDRESS): Update comment.
10934 * config/m68k/m68k.c (m68k_address): New structure.
10935 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
10936 (m68k_decompose_index, m68k_legitimate_constant_address_p)
10937 (m68k_jump_table_ref_p, m68k_decompose_address)
10938 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
10939 (m68k_matches_u_p): New functions.
10940 (print_operand_address): Rewrite to use m68k_decompose_index.
10941
10942 2007-03-05 David Taylor <dtaylor@emc.com>
10943
10944 * gcc.c: Correct copyright date in --version output.
10945
10946 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10947
10948 * pa.md: In unamed move patterns, disparge copies between general
10949 and floating point registers using '?' modifier. Don't include 'f'
10950 constraint for register preferences in DImode, SImode, HImode and
10951 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
10952 Remove constraints for copies between general and floating registers
10953 in soft-float DFmode pattern.
10954 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
10955 floating register.
10956 (movsf): Likewise.
10957
10958 2007-03-05 Mike Stump <mrs@apple.com>
10959
10960 * c-common.c (targetcm): Add.
10961 * c-opts.c (c_common_handle_option): Handle language specific
10962 target options.
10963 * opts.c (handle_option): Verify language for target options, if
10964 any are given.
10965 * opth-gen.awk: Add CL_LANG_ALL.
10966 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
10967 (TARGETCM_INITIALIZER): Add.
10968 * target.h (struct gcc_targetcm): Add.
10969 (targetcm): Add.
10970 * targhooks.c (default_handle_c_option): Add.
10971 * targhooks.h (default_handle_c_option): Add.
10972 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
10973
10974 * config/darwin.opt (iframework): Add.
10975 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
10976 * config/darwin-c.c (handle_c_option): Add.
10977 (TARGET_HANDLE_C_OPTION): Add.
10978 (targetcm): Add.
10979 * doc/invoke.texi (Darwin Options): Add -iframework.
10980
10981 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10982
10983 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
10984 conversion.
10985
10986 2007-03-05 Ian Lance Taylor <iant@google.com>
10987
10988 * c.opt (fgnu89-inline): New option.
10989 * c-opts.c (c_common_post_options): Set default value for
10990 flag_gnu89_inline.
10991 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
10992 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
10993 inline functions.
10994 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
10995 (grokdeclarator, start_function): Likewise.
10996 * c-cppbuiltin.c (c_cpp_builtins): Define either
10997 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
10998 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
10999 (C Dialect Options): Document -fgnu89-inline.
11000 * doc/extend.texi (Function Attributes): Explain what the
11001 gnu_inline attribute does.
11002 * doc/cpp.texi (Common Predefined Macros): Document
11003 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
11004
11005 2007-03-05 Ian Lance Taylor <iant@google.com>
11006
11007 PR tree-optimization/31034
11008 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
11009 half-range if the other side is an overflow infinity.
11010
11011 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
11012
11013 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
11014 (bfin*-linux-uclibc*): New configuration.
11015 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
11016 defining.
11017 * config/bfin/linux.h: New file.
11018 * config/bfin/libgcc-bfin.ver: New file.
11019 * config/bfin/t-bfin-uclinux: New file.
11020 * config/bfin/t-bfin-linux: New file.
11021 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
11022 (TARGET_OS_CPP_BUILTINS): New macro.
11023
11024 2007-03-05 Richard Guenther <rguenther@suse.de>
11025
11026 * fold-const.c (fold_binary): Remove duplicate folding
11027 of comparison of non-null ADDR_EXPR against null.
11028
11029 2007-03-05 Richard Guenther <rguenther@suse.de>
11030 Dorit Nuzman <dorit@il.ibm.com>
11031
11032 PR tree-optimization/26420
11033 * tree-vectorizer.c (vectorize_loops): Bail out early if there
11034 are no loops in the function. Only print the number of
11035 vectorized loops if it is greater than zero or we are supposed
11036 to print information about unvectorized loops.
11037
11038 2007-03-05 Revital Eres <eres@il.ibm.com>
11039
11040 * gcc.dg/var-expand1.c: New test.
11041 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
11042 when an accumulator is expanded.
11043
11044 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11045
11046 PR other/30465
11047 * c-common.c (convert_and_check): Don't give warnings for
11048 conversion if 'expr' already overflowed.
11049
11050 2007-03-04 Roger Sayle <roger@eyesopen.com>
11051
11052 PR middle-end/30744
11053 * fold-const.c (fold_comparison): Enforce type consistency when
11054 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
11055
11056 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
11057
11058 * tree-ssa-address.c (create_mem_ref): Do not put an expression
11059 containing a cast to the base of TARGET_MEM_REF.
11060
11061 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
11062
11063 * tree.c (tree_contains_struct_check_failed): Remove spurious
11064 whitespace from error message.
11065
11066 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
11067
11068 PR target/30406
11069 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
11070 instead of precision.
11071
11072 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
11073 Nathan Sidwell <nathan@codesourcery.com>
11074
11075 * emit-rtl.c (find_auto_inc): New.
11076 (try_split): recreate REG_INC notes,
11077 Use regular for loops rather than whiles.
11078
11079 2007-03-03 Andreas Schwab <schwab@suse.de>
11080
11081 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
11082 * configure: Regenerate.
11083
11084 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11085
11086 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
11087 flag_rounding_math, not flag_unsafe_math_optimizations.
11088
11089 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
11090 fold_build2.
11091 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
11092 alpha_fold_vector_minmax): Likewise.
11093 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11094 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
11095
11096 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11097
11098 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
11099 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
11100 if the lhs has side-effects.
11101 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
11102
11103 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11104
11105 * config/i386/i386.h (TUNEMASK): Remove define.
11106 (ARCHMASK): Remove define.
11107 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
11108 Use ix86_arch_mask variable instead of ARCHMASK.
11109 * config/i386/i386.c (override_options): Ditto.
11110 (standard_80387_constant_p): Ditto.
11111
11112 2007-03-02 Ian Lance Taylor <iant@google.com>
11113
11114 Used signed infinities in VRP.
11115 * tree-vrp.c (uses_overflow_infinity): New static function.
11116 (supports_overflow_infinity): New static function.
11117 (make_overflow_infinity): New static function.
11118 (negative_overflow_infinity): New static function.
11119 (positive_overflow_infinity): New static function.
11120 (is_negative_overflow_infinity): New static function.
11121 (is_positive_overflow_infinity): New static function.
11122 (is_overflow_infinity): New static function.
11123 (overflow_infinity_range_p): New static function.
11124 (compare_values_warnv): New function split out of compare_values.
11125 (compare_value): Call it.
11126 (set_value_range_to_nonnegative): Add overflow_infinity
11127 parameter. Change caller.
11128 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
11129 Change callers.
11130 (vrp_expr_computes_nonzero): Likewise.
11131 (compare_ranges, compare_range_with_value): Likewise.
11132 (compare_name_with_value, compare_names): Likewise.
11133 (vrp_evaluate_conditional): Likewise.
11134 (set_value_range): Handle infinity
11135 (vrp_operand_equal_p, operand_less_p): Likewise.
11136 (extract_range_from_assert): Likewise.
11137 (vrp_int_const_binop): Likewise.
11138 (extract_range_from_binary_expr): Likewise.
11139 (extract_range_from_unary_expr): Likewise.
11140 (extract_range_from_comparison): Likewise.
11141 (extract_range_from_expr): Likewise.
11142 (dump_value_range): Likewise.
11143 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
11144 (test_for_singularity): Likewise.
11145 (vrp_int_const_binop): Remove inline qualifier.
11146 (adjust_range_with_scev): Add comment.
11147 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11148
11149 2007-03-02 Diego Novillo <dnovillo@redhat.com>
11150
11151 * tree-ssa-structalias.c (could_have_pointers): Tidy.
11152 (get_constraint_for): Likewise.
11153 (do_structure_copy): Likewise.
11154 (find_func_aliases): Fix references to MODIFY_EXPR.
11155 (intra_create_variable_infos): Tidy.
11156 * tree-ssa-operands.c (add_virtual_operand): Add argument
11157 IS_CALL_SITE.
11158 When adding members of alias sets, if IS_CALL_SITE is true and
11159 the symbol is not call-clobbered, skip it.
11160 Adjust all callers.
11161
11162 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11163
11164 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
11165 entry by means of emit_insn_at_entry.
11166
11167 2007-03-02 Richard Henderson <rth@redhat.com>
11168
11169 * expr.h (promoted_input_arg): Remove decl.
11170 * function.c (promoted_input_arg): Merge into ...
11171 * combine.c (setup_incoming_promotions): ... only caller.
11172 Rearrange to avoid double loop.
11173
11174 2007-03-02 Ben Elliston <bje@au.ibm.com>
11175 Peter Bergner <bergner@vnet.ibm.com>
11176 Janis Johnson <janis187@us.ibm.com>
11177
11178 * config/rs6000/dfp.md: New file.
11179 * config/rs6000/rs6000.md: Include dfp.md.
11180 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
11181 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
11182 and TDmode decimal float modes in FP registers.
11183 (num_insns_constant): Likewise.
11184 (rs6000_legitimate_offset_address_p): Likewise.
11185 (rs6000_legitimize_address): Likewise.
11186 (rs6000_legitimize_reload_address): Likewise.
11187 (rs6000_legitimate_address): Likewise.
11188 (rs6000_emit_move): Likewise.
11189 (function_arg_boundary): Likewise.
11190 (function_arg_advance): Likewise.
11191 (rs6000_darwin64_record_arg_recurse): Likewise.
11192 (function_arg): Likewise.
11193 (rs6000_gimplify_va_arg): Likewise.
11194 (rs6000_split_multireg_move): Likewise.
11195 (rs6000_output_function_epilogue): Likewise.
11196 (rs6000_output_function_epilogue): Likewise.
11197 (rs6000_register_move_cost): Likewise.
11198 (rs6000_function_value): Likewise.
11199 (rs6000_libcall_value): Likewise.
11200
11201 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11202
11203 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
11204
11205 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11206
11207 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
11208 Use $MULTIDIR to choose between the kernel and RTP headers,
11209 and use $WIND_BASE and $WIND_USR to locate them.
11210
11211 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11212
11213 * config/i386/i386.c (override_options): Put initialization of
11214 ix86_tune_mask and ix86_arch_mask to the correct place.
11215
11216 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11217 Michael Meissner <michael.meissner@amd.com>
11218
11219 PR target/31019
11220 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
11221 (ARCHMASK): Define.
11222 (TARGET_CMOVE): Use ARCHMASK.
11223 (TARGET_CMPXCHG): Ditto.
11224 (TARGET_CMPXCHG8B): Ditto.
11225 (TARGET_XADD): Ditto.
11226 (TARGET_BSWAP): Ditto.
11227 * config/i386/i386.c (ix86_tune_mask): New global variable.
11228 (ix86_arch_mask): Ditto.
11229 (override_options): Initialize ix86_tune_mask and
11230 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
11231 target_flags.
11232
11233 2007-03-02 Ben Elliston <bje@au.ibm.com>
11234
11235 PR 30992
11236 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
11237
11238 2007-03-02 Joseph Myers <joseph@codesourcery.com>
11239
11240 * target.h (init_dwarf_reg_sizes_extra): New target hook.
11241 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
11242 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
11243 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
11244 hook.
11245 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
11246 rs6000_init_dwarf_reg_sizes_extra): New.
11247 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
11248 SPE register high parts.
11249
11250 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
11251
11252 * Makefile.in: Add install-pdf target as
11253 copied from automake v1.10 rules.
11254 * configure.ac: Add install-pdf to target list.
11255 * configure: Regenerate.
11256
11257 2007-03-01 Paul Brook <paul@codesourcery.com>
11258
11259 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
11260 modes to LDRD for DImode.
11261 (output_move_double): Fixup out of range ldrd/strd.
11262 (vfp_secondary_reload_class): Rename...
11263 (coproc_secondary_reload_class): ... to this. Add wb argument.
11264 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
11265 coproc_secondary_reload_class for CLASS_IWMMXT.
11266 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
11267 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
11268
11269 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
11270
11271 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
11272 factor by the estimated number of iterations.
11273 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
11274 prefetch latency.
11275
11276 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
11277 decode_caches_intel, detect_caches_intel): New functions.
11278 (host_detect_local_cpu): Use detect_caches_amd and
11279 detect_caches_intel.
11280
11281 2007-03-01 Richard Henderson <rth@redhat.com>
11282
11283 * expr.c (emit_move_complex_push): Export.
11284 (emit_move_complex_parts): Split out from ...
11285 (emit_move_complex): ... here.
11286 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
11287 * config/i386/i386.md (movcdi): New.
11288
11289 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
11290
11291 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
11292 size of mode1 to check for tieable modes in MMX case.
11293
11294 2007-03-01 Richard Sandiford <richard@codesourcery.com>
11295
11296 * Makefile.in (rtlanal.o): Depend on tree.h.
11297 * rtl.h (offset_within_section_p, split_const): Declare.
11298 * rtlanal.c: Include tree.h.
11299 (offset_within_block_p): New function, taken from
11300 mips_offset_within_object_p.
11301 (split_const): New function, taken from mips_split_const.
11302 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
11303 Declare.
11304 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
11305 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
11306 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
11307 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11308 (m68k_illegitimate_symbolic_constant_p): New function.
11309 * config/m68k/m68k.md (movsi): Remove misleading predicates.
11310 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
11311 symbolic constant that might be outside the symbol's section,
11312 move the symbol first and then add the offset.
11313 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
11314 Override.
11315 * config/mips/mips.c (mips_split_const): Delete.
11316 (mips_offset_within_object_p): Delete.
11317 (mips_symbolic_constant_p): Use offset_within_section_p and
11318 split_const instead of mips_offset_within_object_p and
11319 mips_split_const.
11320 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
11321 (mips_legitimize_const_move, print_operand_reloc)
11322 (mips_dangerous_for_la25_p): Use split_const instead of
11323 mips_split_const.
11324
11325 2007-02-28 Eric Christopher <echristo@apple.com>
11326
11327 * Makefile.in (install-include-dir): Don't rm -rf include.
11328
11329 2007-02-28 Richard Guenther <rguenther@suse.de>
11330
11331 PR middle-end/30364
11332 * fold-const.c (fold_binary): Do not associate expressions
11333 with more than one variable for integer types that do not wrap.
11334
11335 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
11336
11337 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
11338 Delete, and replace with...
11339 (fold_builtin_call_array): This. Update callers to use it.
11340 * fold-const.c (fold_build_call_list): Delete, and replace with...
11341 (fold_build_call_array): This.
11342 (fold_build_call_list_initializer): Delete, and replace with...
11343 (fold_build_call_array_initializer): This.
11344 * tree.h: Update declarations to reflect above changes.
11345
11346 * c-typeck.c (build_function_call): Store converted arguments
11347 in a stack-allocated array instead of building a list.
11348 (convert_arguments): Store arguments in the array passed in as an
11349 argument, and return the actual number of arguments.
11350 * c-format.c: (check_function_format): Pass arguments in an
11351 array instead of a list.
11352 * c-common.c (check_function_nonnull): Likewise.
11353 (check_function_sentinel): Likewise.
11354 (check_function_arguments): Likewise.
11355 * c-common.h: Update declarations to reflect above changes.
11356
11357 2007-02-28 Jan Hubicka <jh@suse.cz>
11358
11359 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
11360 PRED_NEGATIVE_RETURN): Update outcomes.
11361
11362 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
11363
11364 * calls.c (emit_library_call_value_1): Handle partial registers
11365 correctly when building up CALL_INSN_FUNCTION_USAGE.
11366
11367 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11368
11369 * pa/predicates.md (move_src_operand): Allow zero for mode.
11370 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
11371 move pattern.
11372
11373 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
11374
11375 PR target/30970
11376 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
11377 *movv2df_internal): Enable pattern only for valid operand
11378 combinations.
11379 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
11380 tie only 128bit modes. For MMX registers, tie only 64bit modes.
11381
11382 2007-02-27 Mike Stump <mrs@apple.com>
11383
11384 * config/darwin-crt3.c: Avoid compilation when compiling for a
11385 kext multilib.
11386
11387 2007-02-27 Joseph Myers <joseph@codesourcery.com>
11388
11389 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
11390 FIXED_INCLUDE_DIR.
11391 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
11392 for fixed headers and limits.h.
11393 (install-include-dir, install-headers-tar, install-headers-cpio,
11394 install-headers-cp, real-install-headers-tar,
11395 real-install-headers-cpio, real-install-headers-cp): Handle
11396 include-fixed as well as include.
11397 (install-mkheaders): Don't install files that go only in include
11398 not include-fixed.
11399 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
11400 from GCC_INCLUDE_DIR.
11401 * gcc.c (process_command): Remove special -BstageN/ handling.
11402 (do_spec_1): Add include-fixed directories.
11403
11404 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11405
11406 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
11407 _smulsi3_highpart.
11408 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
11409 New functions.
11410 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
11411 patterns.
11412
11413 2007-02-27 Mark Mitchell <mark@codesourcery.com>
11414
11415 * c-common.c (get_priority): Add check for
11416 SUPPORTS_INIT_PRIORITY.
11417
11418 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11419
11420 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
11421
11422 * config/bfin/bfin.c: Include "cfglayout.h".
11423 (MAX_LSETUP_DISTANCE): New macro.
11424 (struct loop_info): New members incoming, incoming_src and
11425 incoming_dest. Delete member predecessor.
11426 (length_for_loop): New function.
11427 (bfin_optimize_loop): Handle more different loop structures.
11428 (bfin_discover_loop): Rework detection of predecessor blocks by
11429 examining incoming edges.
11430 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
11431 bfin_reorg_loops.
11432 (bfin_reorder_loops): New function.
11433 (bfin_reorg_loops): Use these three new functions.
11434
11435 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
11436 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
11437 (CONSTRAINT_LEN): Add entry for 'q'.
11438 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
11439 Add 'q' constraints.
11440 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
11441 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
11442
11443 * config/bfin/bfin.md (add_with_carry): New pattern.
11444 (s_or_u, su_optab, su_modifier): New code macros/attrs.
11445 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
11446 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
11447 support unsigned multiplies too. Removed incorrect commutativity from
11448 operand 1 constraint where appropriate.
11449 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
11450 patterns.
11451 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
11452 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
11453 New patterns.
11454 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
11455 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
11456 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
11457 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
11458 usmulhisi_hh_huh): New patterns.
11459
11460 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
11461 lshifthi3): Fix output template to use half reg for operand 2.
11462
11463 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
11464 instead of R2.
11465
11466 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
11467
11468 2007-02-27 Andreas Schwab <schwab@suse.de>
11469
11470 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
11471
11472 2007-02-27 Jan Hubicka <jh@suse.cz>
11473
11474 * predict.c (last_basic_block_p): Remove.
11475 (tree_estimate_probability): Update return heuristic for commonized
11476 return blocks.
11477
11478 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11479
11480 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
11481
11482 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11483
11484 * doc/include/gcc-common.texi (versionsubtitle): New macro.
11485 * doc/cpp.texi: Standardize title page.
11486 * doc/cppinternals.texi: Likewise.
11487 * doc/gcc.texi: Standardize title page, remove version number
11488 from copyright page.
11489 * doc/gccint.texi: Likewise.
11490 * doc/install.texi: Standardize title page, add table of
11491 contents.
11492
11493 2007-02-26 Jan Hubicka <jh@suse.cz>
11494
11495 * predict.def: Set outcomes according to more recent results.
11496 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
11497 Remove dead predictors.
11498 * predict.c (return_prediction): Fix pasto.
11499
11500 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11501
11502 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
11503 change; avoid a memory leak when returning early.
11504
11505 2007-02-26 Mark Mitchell <mark@codesourcery.com>
11506
11507 * c-decl.c (static_ctors): Move to c-common.c.
11508 (static_dtors): Likewise.
11509 (finish_function): Use c_record_cdtor_fn.
11510 (build_cdtor): Move to c-common.c.
11511 (c_write_global_declarations): Use c_build_cdtor_fns.
11512 * c-common.h (static_ctors): Declare.
11513 (static_dtors): Likewise.
11514 (c_record_cdtor_fn): Likewise.
11515 (c_build_cdtor_fns): Likewise.
11516 * c-common.c (static_ctors): New variable.
11517 (static_dtors): Likewise.
11518 (c_record_cdtor_fn): New function.
11519 (build_cdtor): Move from c-decl.c
11520 (c_build_cdtor_fns): New function.
11521
11522 * output.h (assemble_addr_to_section): Declare.
11523 (get_cdtor_priority_section): Likewise.
11524 * varasm.c (assemble_addr_to_section): New function.
11525 (get_cdtor_priority_section): Likewise.
11526 (default_named_section_asm_out_destructor): Use them.
11527 (destor_dtor_section_asm_out_destructor): Likewise.
11528 (default_named_section_asm_out_constructor): Likewise.
11529 (default_ctor_section_asm_out_constructor): Likewise.
11530 * config.gcc (*-*-vxworks*): Include vxworks.o.
11531 * config/t-vxworks (vxworks.o): New target.
11532 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
11533 (TARGET_ASM_CONSTRUCTOR): Define.
11534 (TARGET_ASM_DESTRUCTOR): Likewise.
11535 (vxworks_asm_out_constructor): Declare.
11536 (vxworks_asm_out_destructor): Likewise.
11537
11538 * c-common.c (get_priority): Check that we have not just an
11539 INTEGER_CST, but an integer constant with integeral type.
11540
11541 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
11542
11543 PR tree-optimization/30938
11544 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
11545 use &dt[nargs-1] instead of &dt[nargs] in the call to
11546 vect_is_simple_use().
11547
11548 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
11549
11550 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
11551 from register elimination as PRE_MODIFY / POST_MODIFY increments.
11552 Do not attempt to handle MEM inside auto-inc expressions.
11553 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
11554 of a register modified by an auto-inc expression. However, do handle
11555 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
11556 (elimination_effects): Prohibit elimination of a register modified
11557 by an auto-inc expression. Disable register elimination rules whose
11558 target register is modified by an auto-inc expression with variable
11559 increment.
11560
11561 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
11562
11563 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
11564 off-by-one error.
11565 (array_at_struct_end_p): New function.
11566 (idx_infer_loop_bounds): Use it.
11567 (estimate_numbers_of_iterations_loop): Export.
11568 * predict.c (predict_loops): Use estimated_loop_iterations_int.
11569 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
11570 (tree_estimate_probability): Call record_loop_exits.
11571 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
11572 (estimated_loop_iterations, estimated_loop_iterations_int,
11573 estimated_loop_iterations_tree): New functions.
11574 (analyze_siv_subscript_cst_affine,
11575 compute_overlap_steps_for_affine_1_2,
11576 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
11577 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
11578 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
11579 (PRED_LOOP_ITERATIONS_GUESSED): New.
11580 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
11581 * cfgloop.h (estimate_numbers_of_iterations_loop,
11582 estimated_loop_iterations_int): Declare.
11583
11584 2007-02-25 Mark Mitchell <mark@codesourcery.com>
11585
11586 * doc/extend.texi: Document optional priority argument to
11587 constructors and destructors.
11588 * tree.c (init_priority_for_decl): Adjust GTY markers.
11589 (init_ttree): Use priority-info hash functions for
11590 init_priority_for_decl.
11591 (tree_map_eq): Rename to ...
11592 (tree_map_base_eq): ... this.
11593 (tree_map_marked_p): Rename to ...
11594 (tree_map_base_marked_p): ... this.
11595 (tree_map_base_hash): New function.
11596 (decl_init_priority_lookup): Rework.
11597 (decl_fini_priority_lookup): New function.
11598 (decl_priority_info): New function.
11599 (decl_init_priority_insert): Use it.
11600 (decl_fini_priority_insert): Likewise.
11601 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
11602 hierarchy.
11603 (decl_restrict_base_insert): Likewise.
11604 (decl_debug_expr_insert): Likewise.
11605 (decl_value_expr_lookup): Likewise.
11606 (decl_value_expr_insert): Likewise.
11607 * tree.h (priority_type): New type.
11608 (decl_init_priority_lookup): Use priority_type.
11609 (decl_fini_priority_lookup): New function.
11610 (decl_init_priority_insert): Use priority_type.
11611 (decl_fini_priority_insert): New function.
11612 (DECL_HAS_INIT_PRIORITY): Tweak comments.
11613 (DECL_INIT_PRIORITY): Likewise.
11614 (SET_DECL_INIT_PRIORITY): Add comment.
11615 (DECL_FINI_PRIORITY): New macro.
11616 (SET_DECL_FINI_PRIORITY): Likewise.
11617 (DEFAULT_INIT_PRIORITY): Document.
11618 (MAX_INIT_PRIORITY): Likewise.
11619 (MAX_RESERVED_INIT_PRIORITY): Likewise.
11620 (tree_map_base): New type.
11621 (tree_map_base_eq): New function.
11622 (tree_map_base_hash): Likewise.
11623 (tree_map_base_marked_p): Likewise.
11624 (tree_map): Inherit from tree_map_base.
11625 (tree_map_eq): Make it a macro.
11626 (tree_map_marked_p): Likewise.
11627 (tree_int_map): Inherit from tree_map_base.
11628 (tree_int_map_eq): Make it a macro.
11629 (tree_int_map_hash): Likewise.
11630 (tree_int_map_marked_p): Likewise.
11631 (tree_priority_map): New type.
11632 (tree_priority_map_eq): New macro.
11633 (tree_priority_map_hash): Likewise.
11634 (tree_priority_map_marked_p): Likewise.
11635 * varasm.c (emults_decl): Adjust for refactoring of tree_map
11636 hierarchy.
11637 (emutls_common_1): Likewise.
11638 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
11639 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
11640 of tree_map hierarchy.
11641 * tree-cfg.c (move_stmt_r): Likewise.
11642 (new_label_mapper): Likewise.
11643 * c-tree.h (c_expand_body): Move to ...
11644 * c-common.h (c_expand_body): ... here.
11645 * c-decl.c (c_expand_body): Move to ...
11646 * c-common.c (c_expand_body): ... here.
11647 (c_common_attribute_table): Allow 1 argument for the constructor
11648 and destructor attributes.
11649 (get_priority): New function.
11650 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
11651 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
11652
11653 2007-02-24 Jan Hubicka <jh@suse.cz>
11654
11655 PR middle-end/30509
11656 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
11657
11658 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11659 Jan Hubicka <jh@suse.cz>
11660
11661 PR target/30778
11662 * i386.c (counter_mode): New function.
11663 (expand_set_or_movmem_via_loop): Use it.
11664 (expand_movmem_epilogue): Likewise; fix pasto.
11665 (ix86_expand_movmem): Do emit guard even for constant counts.
11666 (ix86_expand_setmem): Likewise.
11667
11668 2007-02-25 Nick Clifton <nickc@redhat.com>
11669
11670 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
11671 (JUMP_TABLES_IN_TEXT_SECTION): Define.
11672
11673 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11674
11675 PR target/30770
11676 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
11677 count argument with 0x10, not with 0x16.
11678 (expand_setmem_epilogue): Ditto.
11679
11680 2007-02-24 Mike Stump <mrs@apple.com>
11681
11682 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
11683 symbols.
11684
11685 2007-02-24 Richard Guenther <rguenther@suse.de>
11686
11687 PR middle-end/30951
11688 * fold-const.c (fold_binary): Fold x +- CST op x for
11689 EQ_EXPR and NE_EXPR.
11690
11691 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11692
11693 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
11694
11695 2007-02-24 Jan Hubicka <jh@suse.cz>
11696
11697 * cgraphunit.c (decide_is_function_needed): Honor
11698 -fkeep-inline-functions.
11699
11700 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11701
11702 * builtins.c (fold_builtin_modf): New.
11703 (fold_builtin_2): Use it.
11704
11705 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
11706
11707 * loop-iv.c (implies_p): Detect additional cases where A implies B.
11708 (determine_max_iter): Take additional LOOP arg; all callers changed.
11709 Lose broken logic dealing with PLUS. Try to limit the upper bound by
11710 one using simplifications.
11711 (simplify_using_initial_values): Return if the expression becomes
11712 invalid due to altered regs.
11713
11714 2007-02-23 DJ Delorie <dj@redhat.com>
11715
11716 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
11717
11718 2007-02-23 Mike Stump <mrs@apple.com>
11719
11720 * tlink.c (scan_linker_output): Parse linker messages from
11721 darwin9's linker better.
11722
11723 2007-02-23 Steve Ellcey <sje@cup.hp.com>
11724
11725 PR debug/29614
11726 * varpool.c (varpool_assemble_pending_decls): Set
11727 varpool_last_needed_node to null.
11728
11729 2007-02-23 DJ Delorie <dj@redhat.com>
11730
11731 * config/i386/i386.c (ix86_data_alignment): Don't specify an
11732 alignment bigger than the object file can handle.
11733
11734 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
11735
11736 PR target/30825
11737 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
11738 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
11739 (*movsf_1): Penalize MMX moves.
11740
11741 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
11742
11743 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
11744 2^32-1 or more times unless flag_unsafe_loop_optimizations.
11745
11746 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
11747
11748 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11749
11750 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
11751 (fold_builtin_1): Use them.
11752 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
11753 BUILT_IN_SIGNIFICAND.
11754
11755 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
11756
11757 * config/i386/i386.c (bdesc_1arg): Initialize
11758 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
11759 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
11760 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
11761 and IX86_BUILTIN_MOVSLDUP.
11762
11763 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
11764
11765 PR rtl-optimization/30841
11766 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
11767
11768 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11769
11770 * builtins.c (fold_builtin_frexp): New.
11771 (fold_builtin_2): Use it.
11772
11773 2007-02-22 Mark Mitchell <mark@codesourcery.com>
11774
11775 * doc/invoke.texi (Spec Files): Document getenv spec function.
11776
11777 * gcc.c (getenv_spec_function): New function.
11778 (static_spec_functions): Add it.
11779 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
11780 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
11781 header files.
11782
11783 2007-02-22 Michael Matz <matz@suse.de
11784
11785 PR c++/29433
11786 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
11787 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
11788
11789 2007-02-22 Ian Lance Taylor <iant@google.com>
11790
11791 PR debug/30898
11792 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
11793 (mem_loc_descriptor): Call it.
11794
11795 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
11796 Ira Rosen <irar@il.ibm.com>
11797
11798 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
11799
11800 2007-02-22 Ira Rosen <irar@il.ibm.com>
11801
11802 PR tree-optimization/30843
11803 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
11804 stores only after all the group is vectorized.
11805
11806 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
11807
11808 PR tree-optimization/30858
11809 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
11810 in the reduction cycle have a single use in the loop.
11811 * tree-vectorizer.h (relevant): Add documentation.
11812
11813 2007-02-20 Mike Stump <mrs@apple.com>
11814
11815 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
11816 * configure: Regenerate.
11817
11818 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
11819
11820 Change the defaults of some parameters and options.
11821 * config/spu/spu-protos.h (spu_optimization_options): Declare.
11822 * config/spu/spu.c (spu_optimization_options): Add.
11823 (spu_override_options): Change params in spu_optimization_options.
11824 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
11825
11826 Register 127 is only 16 byte aligned when used as a frame pointer.
11827 * config/spu/spu-protos.h (spu_init_expanders): Declare.
11828 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
11829 HARD_FRAME_POINTER_REGNUM.
11830 (spu_legitimate_address): Use regno_aligned_for_reload.
11831 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
11832 aligned when frame_pointer_needed is true.
11833 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
11834 to 8 bits.
11835 * config/spu/spu.h (INIT_EXPANDERS): Define.
11836
11837 Make sure shift and rotate instructions have valid immediate operands.
11838 * config/spu/predicates.md (spu_shift_operand): Remove.
11839 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
11840 * config/spu/constraints.md (W, O): Extend range.
11841 * config/spu/spu.md (umask, nmask): Define.
11842 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
11843 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
11844 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
11845 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
11846 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
11847 (lshr<mode>3_reg): Fix rtl description.
11848
11849 Make sure mulhisi immediate operands are valid.
11850 * config/spu/predicates.md (imm_K_operand): Add.
11851 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
11852
11853 Generate constants using fsmbi and andi.
11854 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
11855 (print_operand, spu_split_immediate, classify_immediate,
11856 fsmbi_const_p): Handle IC_FSMBI2.
11857
11858 Correctly handle a CONST_VECTOR containing symbols.
11859 * config/spu/spu.c (print_operand): Handle HIGH correctly.
11860 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
11861 (immediate_load_p): Allow symbols that use 2 instructions to create.
11862 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
11863 with symbols when flag_pic is set.
11864 (const_vector_immediate_p): New.
11865 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
11866 accept a CONST_VECTOR with symbols.
11867 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
11868 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
11869 correctly.
11870 * config/spu/spu.md (high, low): Delete.
11871 (low_<mode>): Define.
11872
11873 Remove INTRmode and INTR_REGNUM, which didn't work.
11874 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
11875 of INTR_REGNUM.
11876 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
11877 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
11878 peephole2 pattern): Don't use INTR or 131.
11879 (movintrcc): Delete.
11880 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
11881 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
11882 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
11883 (UNSPEC_SET_INTR): Add.
11884 * config/spu/spu-modes.def (INTR): Remove.
11885
11886 More accurate warnings about run-time relocations.
11887 * config/spu/spu.c (reloc_diagnostic): Test in_section.
11888
11889 Correctly warn about immediate arguments to specific intrinsics.
11890 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
11891 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
11892 the instruction predicate.
11893
11894 Fix tree check errors with latest update.
11895 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
11896 CALL_EXPR_ARG.
11897 (spu_expand_builtin): Use CALL_EXPR_FN.
11898
11899 Add missing specific intrinsics.
11900 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
11901 si_bislede.
11902 * config/spu/spu_internals.h: Ditto.
11903
11904 Fix incorrect operand modifiers.
11905 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
11906 * config/spu/spu.md (xor<mode>3): Change %S to %J.
11907
11908 Optimize one case of zero_extend of a vec_select.
11909 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
11910
11911 Accept any immediate for hbr.
11912 * config/spu/spu.md (hbr): Change s constraints to i.
11913
11914 2007-02-21 Paul Brook <paul@codesourcery.com>
11915
11916 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
11917 condexec_count when skipping USE and CLOBBER.
11918
11919 2007-02-21 Nick Clifton <nickc@redhat.com>
11920
11921 * common.opt (Warray-bounds): Add Warning attribute.
11922 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
11923 Likewise.
11924 (fsized-zeroes): Add Optimization attribute.
11925 (fsplit-wide-types, ftree-scev-cprop): Likewise.
11926 * c.opt (Wc++0x-compat): Add Warning attribute.
11927
11928 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
11929
11930 PR middle-end/30761
11931 * reload1.c (eliminate_regs_in_insn): In the single_set special
11932 case, attempt to re-recognize the insn before falling back to
11933 having reload fix it up.
11934
11935 2007-02-20 Eric Christopher <echristo@gmail.com>
11936
11937 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
11938 Rewrite accordingly.
11939 (frv_read_iacc_argument): Ditto.
11940 (frv_expand_set_builtin): Take a call instead of arglist, update for
11941 above changes.
11942 (frv_expand_unop_builtin): Ditto.
11943 (frv_expand_binop_builtin): Ditto.
11944 (frv_expand_cut_builtin): Ditto.
11945 (frv_expand_binopimm_builtin): Ditto.
11946 (frv_expand_voidbinop_builtin): Ditto.
11947 (frv_expand_int_void2arg): Ditto.
11948 (frv_expand_prefetches): Ditto.
11949 (frv_expand_voidtriop_builtin): Ditto.
11950 (frv_expand_voidaccop_builtin): Ditto.
11951 (frv_expand_load_builtin): Ditto.
11952 (frv_expand_store_builtin): Ditto.
11953 (frv_expand_mdpackh_builtin): Ditto.
11954 (frv_expand_mclracc_builtin): Ditto.
11955 (frv_expand_mrdacc_builtin): Ditto.
11956 (frv_expand_mwtacc_builtin): Ditto.
11957 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
11958 calls for above.
11959
11960 2007-02-20 Janis Johnson <janis187@us.ibm.com>
11961
11962 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
11963 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
11964 cmpb instruction.
11965 (HAVE_GAS_DFP): Check for assembler support of decimal floating
11966 point instructions.
11967 * configure: Regenerate.
11968 * config.in: Regenerate.
11969 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
11970 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
11971 masks to power6 and power6x and to POWERPC_MASKS.
11972 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
11973 _ARCH_PWR6.
11974 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
11975 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
11976 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
11977 Access PROTOTYPE as variable, not mask.
11978
11979 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
11980
11981 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
11982 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
11983 * combine.c (adjust_for_new_dest): Use it.
11984 * postreload.c (reload_combine): Likewise.
11985
11986 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
11987
11988 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
11989 notes on an insn with multiple sets, even if single_set returns
11990 non-NULL for that insn.
11991
11992 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11993
11994 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
11995 scalbn and scalbln.
11996
11997 2007-02-20 Geoffrey Keating <geoffk@apple.com>
11998
11999 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
12000 if user didn't pass it.
12001 * config/i386/darwin.h (CC1_SPEC): Likewise.
12002 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
12003 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
12004 -mmacosx-version-min.
12005
12006 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12007 Uros Bizjak <ubizjak@gmail.com>
12008
12009 * optabs.h (enum optab_index): Add new OTI_scalb.
12010 (scalb_optab): Define corresponding macro.
12011 * optabs.c (init_optabs): Initialize scalb_optab.
12012 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
12013 patterns.
12014 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
12015 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
12016 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12017 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
12018 flag_unsafe_math_optimizations is set.
12019
12020 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
12021 to implement scalbf, scalb and scalbl built-ins as inline x87
12022 intrinsics.
12023
12024 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12025 DJ Delorie <dj@redhat.com>
12026
12027 PR other/30824
12028 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
12029 (diagnostic_report_diagnostic): ... here, and turn them into real
12030 errors. If warnings are inhibited, no need to do anything.
12031
12032 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
12033
12034 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
12035 better code generation.
12036
12037 2007-02-20 Ben Elliston <bje@au.ibm.com>
12038
12039 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
12040
12041 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
12042
12043 * config/alpha/alpha.c, config/alpha/alpha.md,
12044 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
12045 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
12046 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
12047 config/arm/lib1funcs.asm: Follow spelling conventions.
12048
12049 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
12050 config/fr30/fr30.md, config/i386/i386.h,
12051 config/iq2000/iq2000.h, config/iq2000/predicates.md,
12052 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
12053 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
12054 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
12055 config/rs6000/altivec.md, config/rs6000/rs6000.c,
12056 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
12057 config/sparc/sparc.c, config/sparc/sparc.h,
12058 config/sparc/sparc.md, config/spu/constraints.md,
12059 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
12060 conventions.
12061
12062 2007-02-20 Alan Modra <amodra@bigpond.net.au>
12063
12064 PR target/29943
12065 * varasm.c (use_blocks_for_decl_p): Return false for decls with
12066 alias attribute.
12067
12068 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12069
12070 * doc/invoke.texi (-ftree-lrs): Remove.
12071
12072 2007-02-19 Diego Novillo <dnovillo@redhat.com>
12073
12074 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
12075 NULL.
12076
12077 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
12078
12079 * config/ia64/ia64.c (ia64_expand_builtin): Use the
12080 new CALL_EXPR_FN macro for retrieving the function
12081 declaration of the input expression.
12082
12083 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12084
12085 * c.opt (Waddress): New.
12086 * common.opt (Walways-true): Delete.
12087 (Wstring-literal-comparison): Delete.
12088 * doc/invoke.texi (Warning Options): Delete -Walways-true and
12089 -Wstring-literal-comparison. Add -Waddress.
12090 (Waddress): New.
12091 (Walways-true): Delete.
12092 (Wstring-literal-comparison): Delete.
12093 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12094 consistently instead of -Walways-true in example.
12095 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
12096 * c-typeck.c (parser_build_binary_op): Replace
12097 -Wstring-literal-comparison and -Walways-true with -Waddress.
12098 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
12099 with -Waddress.
12100
12101 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12102
12103 * tree-cfg.c (dump_function_to_file): Be prepared for functions
12104 without DECL_STRUCT_FUNCTION initialized.
12105
12106 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12107
12108 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
12109 due to calls to functions taking pointers as parameters.
12110
12111 2007-02-19 Richard Henderson <rth@redhat.com>
12112
12113 PR debug/29558
12114 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
12115 in memory.
12116
12117 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
12118
12119 * config/s390/s390.c (s390_call_saved_register_used,
12120 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
12121 accessed to the new scheme.
12122
12123 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12124
12125 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
12126 (cris_print_index, cris_print_operand, cris_print_operand_address)
12127 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
12128 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
12129 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
12130 GET_CODE () == xxx.
12131 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
12132 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
12133 GO_IF_LEGITIMATE_ADDRESS): Ditto.
12134 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
12135 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
12136 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
12137 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
12138 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
12139 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
12140 (uminsi3, call, call_value): Ditto.
12141 (define_split: indir_to_reg_split, unnamed): Ditto.
12142
12143 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
12144
12145 PR tree-optimization/30975
12146 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
12147 wrong assert.
12148
12149 2007-02-18 Eric Christopher <echristo@gmail.com>
12150
12151 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
12152 Remove use of arglist.
12153 (mips_expand_builtin): Remove use of arglist, pass in expr.
12154 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
12155 (mips_expand_builtin_movtf): Ditto.
12156 (mips_expand_builtin_compare): Ditto.
12157
12158 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12159
12160 * tree-sra.c (sra_build_assignment): Replace assertion
12161 checking with a comment explaining why it can't be done.
12162
12163 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12164
12165 PR middle-end/30833
12166 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
12167 during CALL_EXPR representation conversion.
12168 * tree-ssa-propagate.c (set_rhs): Likewise.
12169
12170 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12171
12172 * tree-sra.c (sra_build_assignment): Disable assertion checking
12173 for now.
12174
12175 2007-02-18 Roger Sayle <roger@eyesopen.com>
12176
12177 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
12178 instead of calling build2 with a GIMPLE_MODIFY_STMT.
12179 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
12180 Likewise.
12181 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
12182 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
12183 gimplify_init_ctor_eval_range, gimple_push_cleanup,
12184 gimplify_omp_for, gimplify_omp_atomic_pipeline,
12185 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
12186 force_gimple_operand): Likewise.
12187 * ipa-cp.c (constant_val_insert): Likewise.
12188 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12189 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
12190 perfect_nestify): Likewise.
12191 * langhooks.c (lhd_omp_assignment): Likewise.
12192 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
12193 lower_copyprivate_clauses, lower_send_clauses,
12194 lower_send_shared_vars, expand_parallel_call,
12195 expand_omp_for_generic, expand_omp_for_static_nochunk,
12196 expand_omp_for_static_chunk, expand_omp_sections,
12197 lower_omp_single_copy, lower_omp_for_lastprivate,
12198 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
12199 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
12200 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
12201 Likewise.
12202
12203 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12204
12205 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
12206 config/sh/sh.md: Follow spelling conventions.
12207
12208 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
12209 config/frv/predicates.md: Follow spelling conventions.
12210
12211 * config/m68k/linux-unwind.h: Fix a comment typo.
12212 * target.h: Follow spelling conventions.
12213
12214 2007-02-18 Roger Sayle <roger@eyesopen.com>
12215
12216 PR rtl-optimization/28173
12217 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
12218 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
12219 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
12220 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
12221 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
12222
12223 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12224
12225 * builtins.c (fold_builtin_load_exponent): New.
12226 (fold_builtin_2): Use it.
12227
12228 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
12229
12230 PR rtl-optimization/30773
12231 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
12232 if we fail to attach a REG_EQUIV note.
12233
12234 2007-02-18 David Edelsohn <edelsohn@gnu.org>
12235 Roger Sayle <roger@eyesopen.com>
12236
12237 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
12238
12239 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12240
12241 * calls.c (initialize_argument_information): Pass original EXP
12242 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
12243 code to split complex arguments here, as part of initializing the
12244 ARGS array.
12245 (expand_call): Remove code that builds a list of arguments and
12246 inserts implicit arguments into it. Instead, just count how many
12247 implicit arguments there will be so we can determine the size of
12248 the ARGS array, and let initialize_argument_information do the work.
12249 (split_complex_values): Delete unused function.
12250
12251 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12252
12253 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
12254
12255 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12256
12257 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
12258 for arg pointer based indexed addressing.
12259
12260 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12261
12262 * config/ia64/ia64.h, config/ia64/ia64.md,
12263 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
12264 spelling conventions.
12265
12266 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12267
12268 * config/m68k/m68k.c (split_di): New.
12269 * config/m68k/m68k-protos.h: Declare split_di.
12270 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
12271 Improve predicate handling and split constant shifts.
12272
12273 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12274
12275 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
12276 parameter for register bitfield operations, general predicates
12277 cleanup
12278
12279 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12280
12281 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
12282 * config/m68k/linux-unwind.h: New file.
12283
12284 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12285
12286 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
12287 config/i386/athlon.md, config/ia64/ia64.md,
12288 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
12289 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
12290 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
12291 tree-ssa-loop-niter.c, tree-vect-analyze.c,
12292 tree-vect-transform.c: Fix comment typos.
12293
12294 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
12295
12296 * sched-deps.c (find_insn_list): Remove.
12297 * sched-int.h: Remove the prototype for find_insn_list.
12298
12299 2007-02-16 Geoffrey Keating <geoffk@apple.com>
12300
12301 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
12302 to linker.
12303 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
12304 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
12305 darwin_rs6000_override_options.
12306 (C_COMMON_OVERRIDE_OPTIONS): Expect
12307 darwin_macosx_version_min to be non-NULL always.
12308 (TARGET_C99_FUNCTIONS): Likewise.
12309 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
12310 (DARWIN_MINVERSION_SPEC): New.
12311 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
12312 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
12313 to cc1*.
12314 (DARWIN_MINVERSION_SPEC): New.
12315 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
12316 value.
12317 * config/darwin-c.c (darwin_cpp_builtins): Expect
12318 darwin_macosx_version_min to be non-NULL always.
12319
12320 * config/rs6000/rs6000.c: Clean up trailing whitespace.
12321
12322 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
12323
12324 * config/i386/i386.h (x86_use_xchgb): New.
12325 (TARGET_USE_XCHGB): New macro.
12326 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
12327 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
12328 Split after reload into bswaphi for shifts of 8.
12329 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
12330 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
12331 or when optimizing for size.
12332
12333 2007-02-16 Richard Guenther <rguenther@suse.de>
12334 Christian Bruel <christian.bruel@st.com>
12335
12336 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
12337 DECLs but prefer SSA_NAMEs over DECLs.
12338
12339 2007-02-16 Richard Guenther <rguenther@suse.de>
12340
12341 * tree-flow-inline.h (single_imm_use_p): Remove.
12342 (zero_imm_uses_p): Likewise.
12343 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
12344 instead of single_imm_use_p.
12345 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
12346 zero_imm_uses_p.
12347
12348 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12349
12350 PR other/27843
12351 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
12352 nested double- and backquotes.
12353
12354 2007-02-15 Roger Sayle <roger@eyesopen.com>
12355
12356 PR middle-end/30391
12357 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
12358 should be unreachable.
12359 (build2_stat): Allow construction of MODIFY_EXPR at any time.
12360 For the time being redirect GIMPLE_MODIFY_STMT to the new
12361 (renamed) build_gimple_modify_stmt_stat.
12362 (build2_gimple_stat): Rename to...
12363 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
12364 Always build a GIMPLE_MODIFY_STMT node.
12365 * tree.h (build2_gimple, build2_gimple_stat): Delete.
12366 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
12367 declarations.
12368
12369 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
12370 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
12371 * tree-complex.c (set_component_ssa_name, expand_complex_move,
12372 expand_complex_div_wide): Likewise.
12373 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
12374 * tree-ssa-loop-im.c (schedule_sm): Likewise.
12375 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
12376 * tree-ssa-loop-manip.c (create_iv): Likewise.
12377 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
12378 abs_replacement): Likewise.
12379 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
12380 realify_fake_stores): Likewise.
12381
12382 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
12383 node rather than a GIMPLE_MODIFY_STMT node.
12384 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
12385 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
12386 Likewise.
12387 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
12388 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
12389 GIMPLE_MODIFY_STMT.
12390
12391 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12392
12393 PR middle-end/30433
12394 * fold-const.c (fold_comparison): Add back the
12395 folding of constant complex comparisions.
12396
12397 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12398
12399 PR middle-end/30729
12400 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
12401 effects unknown to this function, return early.
12402
12403 2007-02-15 Ian Lance Taylor <iant@google.com>
12404
12405 * lower-subreg.c (move_eh_region_note): New static function.
12406 (resolve_simple_move): Call it.
12407 (decompose_multiword_subregs): Track blocks for which we resolve a
12408 simple move which is also a control flow insn. Pass them to
12409 find_many_sub_basic_blocks.
12410 (pass_lower_subreg): Add TODO_verify_flow.
12411 (pass_lower_subreg2): Likewise.
12412
12413 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12414 Brooks Moses <brooks.moses@codesourcery.com>
12415 Lee Millward <lee.millward@codesourcery.com>
12416
12417 * tree.h (enum tree_code_class): Add tcc_vl_exp.
12418 (VL_EXP_CLASS_P): New.
12419 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
12420 TREE_CODE_LENGTH.
12421 (TREE_OPERAND_CHECK_CODE): Likewise.
12422 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
12423 (TREE_RTL_OPERAND_CHECK): Likewise.
12424 (tree_operand_check_failed): Make second parameter the whole tree
12425 instead of its code. Fixed callers.
12426 (VL_EXP_CHECK): New.
12427 (TREE_OPERAND_LENGTH): New.
12428 (VL_EXP_OPERAND_LENGTH): New.
12429 (CALL_EXPR_FN): New.
12430 (CALL_EXPR_STATIC_CHAIN): New.
12431 (CALL_EXPR_ARGS): New.
12432 (CALL_EXPR_ARG): New.
12433 (call_expr_nargs): New.
12434 (CALL_EXPR_ARGP): New.
12435 (build_nt_call_list): Declare.
12436 (build_vl_exp_stat): Declare.
12437 (build_vl_exp): New.
12438 (build_call_list): Declare.
12439 (build_call_nary): Declare.
12440 (build_call_valist): Declare.
12441 (build_call_array): Declare.
12442 (call_expr_arg): Declare.
12443 (call_expr_argp): Declare.
12444 (call_expr_arglist): Declare.
12445 (fold_build_call_list): Declare.
12446 (fold_build_call_list_initializer): Declare.
12447 (fold_call_expr): Declare to replace fold_builtin.
12448 (fold_builtin_fputs): Update to agree with modified definition.
12449 (fold_builtin_strcpy): Likewise.
12450 (fold_builtin_strncpy): Likewise.
12451 (fold_builtin_memory_chk): Likewise.
12452 (fold_builtin_stxcpy_chk): Likewise.
12453 (fold_builtin_strncpy_chk): Likewise.
12454 (fold_builtin_next_arg): Likewise.
12455 (fold_build_call_expr): Declare.
12456 (fold_builtin_call_list): Declare.
12457 (fold_builtin_call_valist): Declare.
12458 (build_call_expr): Declare.
12459 (validate_arglist): Update to agree with modified definition.
12460 (tree_operand_length): New.
12461 (call_expr_arg_iterator): New.
12462 (init_call_expr_arg_iterator): New.
12463 (next_call_expr_arg): New.
12464 (first_call_expr_arg): New.
12465 (more_call_expr_args_p): New.
12466 (FOR_EACH_CALL_EXPR_ARG): New.
12467
12468 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
12469 and tcc_gimple_stmt.
12470 (tree_code_size): Update documentation. Use sizeof (tree) rather
12471 than sizeof (char *).
12472 (tree_size): Likewise. Add case for tcc_vl_exp.
12473 (tree_node_structure): Add case for tcc_vl_exp.
12474 (contains_placeholder_p): Likewise.
12475 (substitute_in_expr): Likewise.
12476 (substitute_placeholder_in_expr): Likewise.
12477 (stabilize_reference_1): Likewise.
12478 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
12479 to diagnose breakage of this interface for constructing CALL_EXPRs.
12480 (build_nt): Add similar assertion here.
12481 (build_nt_call_list): New.
12482 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
12483 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
12484 TREE_CODE_LENGTH.
12485 (get_callee_fndecl): Use new CALL_EXPR accessors.
12486 (tree_operand_check_failed): Change parameters to pass entire node
12487 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
12488 (process_call_operands): New.
12489 (build_vl_exp_stat): New.
12490 (build_call_list): New.
12491 (build_call_nary): New.
12492 (build_call_valist): New.
12493 (build_call_array): New.
12494 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12495 (call_expr_arglist): New.
12496
12497 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
12498 tcc_vl_exp instead of a fixed-size tcc_expression.
12499
12500 * doc/c-tree.texi (CALL_EXPR): Document new representation and
12501 accessors for CALL_EXPRs.
12502 (AGGR_INIT_EXPR): Likewise.
12503
12504 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12505 Brooks Moses <brooks.moses@codesourcery.com>
12506 Lee Millward <lee.millward@codesourcery.com>
12507
12508 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
12509 (expand_builtin_nonlocal_goto): Change parameter to be entire
12510 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
12511 (expand_builtin_prefetch): Likewise.
12512 (expand_builtin_classify_type): Likewise.
12513 (mathfn_built_in): Return NULL_TREE instead of 0.
12514 (expand_errno_check): Use new CALL_EXPR accessors.
12515 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
12516 Return NULL_RTX instead of 0.
12517 (expand_builtin_mathfn_2): Likewise.
12518 (expand_builtin_mathfn_3): Likewise.
12519 (expand_builtin_interclass_mathfn): Likewise.
12520 (expand_builtin_sincos): Likewise.
12521 (expand_builtin_cexpi): Likewise.
12522 (expand_builtin_int_roundingfn): Likewise.
12523 (expand_builtin_int_roundingfn_2): Likewise.
12524 (expand_builtin_pow): Likewise.
12525 (expand_builtin_powi): Likewise.
12526 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
12527 of arglist, fixing callers appropriately. Use new CALL_EXPR
12528 accessors and constructors. Return NULL_RTX instead of 0.
12529 (expand_builtin_strstr): Likewise.
12530 (expand_builtin_strchr): Likewise.
12531 (expand_builtin_strrchr): Likewise.
12532 (expand_builtin_strpbrk): Likewise.
12533 (expand_builtin_memcpy): Likewise.
12534 (expand_builtin_mempcpy): Likewise.
12535 (expand_builtin_mempcpy_args): New.
12536 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
12537 (expand_builtin_memmove_args): New.
12538 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
12539 (expand_movstr): Likewise.
12540 (expand_builtin_strcpy): Likewise.
12541 (expand_builtin_strcpy_args): New.
12542 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
12543 (expand_builtin_strncpy): Likewise.
12544 (expand_builtin_memset): Likewise.
12545 (expand_builtin_memset_args): New.
12546 (expand_builtin_bzero): Similarly to expand_builtin_memset.
12547 (expand_builtin_memcmp): Likewise.
12548 (expand_builtin_strcmp): Likewise.
12549 (expand_builtin_strncmp): Likewise.
12550 (expand_builtin_strcat): Likewise.
12551 (expand_builtin_strncat): Likewise.
12552 (expand_builtin_strspn): Likewise.
12553 (expand_builtin_strcspn): Likewise.
12554 (expand_builtin_args_info): Likewise.
12555 (expand_builtin_va_start): Likewise.
12556 (gimplify_va_arg_expr): Likewise.
12557 (expand_builtin_va_end): Likewise.
12558 (expand_builtin_va_copy): Likewise.
12559 (expand_builtin_frame_address): Likewise.
12560 (expand_builtin_alloca): Likewise.
12561 (expand_builtin_bswap): Likewise.
12562 (expand_builtin_unop): Likewise.
12563 (expand_builtin_fputs): Likewise.
12564 (expand_builtin_expect): Likewise.
12565 (expand_builtin_fabs): Likewise.
12566 (expand_builtin_copysign): Likewise.
12567 (expand_builtin_printf): Likewise.
12568 (expand_builtin_fprintf): Likewise.
12569 (expand_builtin_sprintf): Likewise.
12570 (expand_builtin_init_trampoline): Likewise.
12571 (expand_builtin_signbit): Likewise.
12572 (expand_builtin_fork_or_exec): Likewise.
12573 (expand_builtin_sync_operation): Likewise.
12574 (expand_builtin_compare_and_swap): Likewise.
12575 (expand_builtin_lock_test_and_set): Likewise.
12576 (expand_builtin_lock_release): Likewise.
12577 (expand_builtin): Likewise.
12578 (builtin_mathfn_code): Likewise.
12579
12580 (fold_builtin_constant_p): Pass call arguments individually instead
12581 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12582 accessors and constructors. Return NULL_TREE instead of 0.
12583 (fold_builtin_expect): Likewise.
12584 (fold_builtin_classify_type): Likewise.
12585 (fold_builtin_strlen): Likewise.
12586 (fold_builtin_nan): Likewise.
12587 (integer_valued_real_p): Likewise.
12588 (fold_trunc_transparent_mathfn): Likewise.
12589 (fold_fixed_mathfn): Likewise.
12590 (fold_builtin_cabs): Likewise.
12591 (fold_builtin_sqrt): Likewise.
12592 (fold_builtin_cbrt): Likewise.
12593 (fold_builtin_cos): Likewise.
12594 (fold_builtin_cosh): Likewise.
12595 (fold_builtin_tan): Likewise.
12596 (fold_builtin_sincos): Likewise.
12597 (fold_builtin_cexp): Likewise.
12598 (fold_builtin_trunc): Likewise.
12599 (fold_builtin_floor): Likewise.
12600 (fold_builtin_ceil): Likewise.
12601 (fold_builtin_round): Likewise.
12602 (fold_builtin_int_roundingfn): Likewise.
12603 (fold_builtin_bitop): Likewise.
12604 (fold_builtin_bswap): Likewise.
12605 (fold_builtin_logarithm): Likewise.
12606 (fold_builtin_hypot): Likewise.
12607 (fold_builtin_pow): Likewise.
12608 (fold_builtin_powi): Likewise.
12609 (fold_builtin_exponent): Likewise.
12610 (fold_builtin_memset): Likewise.
12611 (fold_builtin_bzero): Likewise.
12612 (fold_builtin_memory_op): Likewise.
12613 (fold_builtin_bcopy): Deleted; call site changed to invoke
12614 fold_builtin_memory_op directly.
12615 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
12616 (fold_builtin_strncpy): Likewise.
12617 (fold_builtin_memcmp): Likewise.
12618 (fold_builtin_strcmp): Likewise.
12619 (fold_builtin_strncmp): Likewise.
12620 (fold_builtin_signbit): Likewise.
12621 (fold_builtin_copysign): Likewise.
12622 (fold_builtin_isascii): Likewise.
12623 (fold_builtin_toascii): Likewise.
12624 (fold_builtin_isdigit): Likewise.
12625 (fold_builtin_fabs): Likewise.
12626 (fold_builtin_abs): Likewise.
12627 (fold_builtin_fmin_fmax): Likewise.
12628 (fold_builtin_carg): Likewise.
12629 (fold_builtin_classify): Likewise.
12630 (fold_builtin_unordered_cmp): Likewise.
12631
12632 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
12633 New functions split out from fold_builtin_1.
12634 (fold_builtin_n): New.
12635 (fold_builtin_varargs): New.
12636 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
12637 instead.
12638 (fold_call_expr): New.
12639 (build_function_call_expr): Rewrite to use new helper function.
12640 (fold_builtin_call_list): New.
12641 (build_call_expr): New.
12642 (fold_builtin_call_valist): New.
12643 (rewrite_call_expr): New.
12644 (validate_arg): New.
12645 (validate_arglist): Change parameter to be entire CALL_EXPR instead
12646 of an arglist. Change return type to bool. Use new CALL_EXPR
12647 accessors.
12648
12649 (fold_builtin_strstr): Pass call arguments individually instead
12650 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12651 accessors and constructors. Return NULL_TREE instead of 0.
12652 (fold_builtin_strchr): Likewise.
12653 (fold_builtin_strrchr): Likewise.
12654 (fold_builtin_strpbrk): Likewise.
12655 (fold_builtin_strcat): Likewise.
12656 (fold_builtin_strncat): Likewise.
12657 (fold_builtin_strspn): Likewise.
12658 (fold_builtin_strcspn): Likewise.
12659 (fold_builtin_fputs): Likewise.
12660 (fold_builtin_next_arg): Likewise.
12661 (fold_builtin_sprintf): Likewise.
12662
12663 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
12664 NULL_RTX instead of 0.
12665 (expand_builtin_memory_chk): Likewise.
12666 (maybe_emit_chk_warning): Likewise.
12667 (maybe_emit_sprintf_chk_warning): Likewise.
12668
12669 (fold_builtin_object_size): Pass call arguments individually instead
12670 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12671 accessors and constructors. Return NULL_TREE instead of 0.
12672 (fold_builtin_memory_chk): Likewise.
12673 (fold_builtin_stxcpy_chk): Likewise.
12674 (fold_builtin_strncpy_chk): Likewise.
12675 (fold_builtin_strcat_chk): Likewise.
12676 (fold_builtin_strcat_chk): Likewise.
12677 (fold_builtin_strncat_chk): Likewise.
12678 (fold_builtin_sprintf_chk): Likewise.
12679 (fold_builtin_snprintf_chk): Likewise.
12680 (fold_builtin_printf): Likewise.
12681 (fold_builtin_vprintf): Likewise.
12682
12683 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
12684 constructors.
12685 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
12686 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12687 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
12688 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
12689 (fold_unary): Likewise.
12690 (fold_binary): Likewise.
12691 (fold_ternary): Remove CALL_EXPR case, since they are no longer
12692 ternary expressions.
12693 (fold): Add logic for tcc_vl_exp.
12694 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
12695 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12696 (fold_build3_stat): Add assertion to flag broken interface for
12697 constructing CALL_EXPRs.
12698 (fold_build_call_list): New.
12699 (fold_build_call_list_initializer): New.
12700 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
12701 constructors.
12702 (fold_strip_sign_ops): Likewise.
12703
12704 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12705 Brooks Moses <brooks.moses@codesourcery.com>
12706 Lee Millward <lee.millward@codesourcery.com>
12707
12708 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
12709 accessors and dump arguments explicitly.
12710
12711 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
12712 TREE_CODE_LENGTH.
12713 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
12714 explicitly.
12715 (print_call_name): Use new CALL_EXPR accessors.
12716
12717 * print-tree.c (print_node): Add case tcc_vl_exp. Print
12718 CALL_EXPR arguments explicitly instead of as a list. Use
12719 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12720
12721 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
12722 (vrp_visit_stmt): Likewise.
12723
12724 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
12725 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
12726 TREE_CODE_LENGTH.
12727 (force_move_till_expr): Likewise.
12728
12729 * targhooks.c (default_external_stack_protect_fail): Use
12730 build_call_expr instead of build_function_call_expr.
12731 (default_hidden_stack_protect_fail): Likewise.
12732
12733 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
12734 build the call.
12735
12736 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
12737 and walk arguments explicitly.
12738
12739 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
12740 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12741 (expand_simple_operations): Likewise.
12742 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
12743
12744 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
12745 of TREE_CODE_LENGTH.
12746 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
12747
12748 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
12749 instead of TREE_CODE_LENGTH.
12750
12751 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
12752 (tree_ic_transform): Likewise.
12753 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
12754 parameter instead of arglist. Fix callers.
12755 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
12756 (tree_stringops_transform): Likewise.
12757 (tree_indirect_call_to_profile): Likewise.
12758 (tree_stringops_values_to_profile): Likewise.
12759
12760 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
12761 (eliminate_tail_call): Likewise.
12762
12763 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
12764
12765 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
12766 Use TREE_OPERAND_LENGTH and generalize to handle any number of
12767 operands.
12768 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
12769
12770 * omp-low.c (build_omp_barrier): Use build_call_expr.
12771 (lower_rec_input_clauses): Likewise.
12772 (lower_reduction_clauses): Likewise.
12773 (expand_parallel_call): Likewise.
12774 (maybe_catch_exception): Likewise.
12775 (expand_omp_for_generic): Likewise.
12776 (expand_omp_for_static_nochunk): Likewise.
12777 (expand_omp_sections): Likewise.
12778 (lower_omp_single_simple): Likewise.
12779 (lower_omp_single_copy): Likewise.
12780 (lower_omp_master): Likewise.
12781 (lower_omp_ordered): Likewise.
12782 (lower_omp_critical): Likewise.
12783
12784 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
12785 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
12786
12787 * tree-gimple.c (is_gimple_call_addr): Fix doc.
12788 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
12789 TREE_CODE_LENGTH. Add tcc_vl_exp case.
12790
12791 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
12792 and generalize to handle any number of operands.
12793 (chrec_contains_undetermined): Likewise.
12794 (tree_contains_chrecs): Likewise.
12795 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
12796
12797 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
12798
12799 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
12800 fold_call_expr instead of fold_builtin.
12801 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
12802 match declarations there.
12803 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
12804 updates.
12805
12806 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
12807 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12808
12809 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
12810 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
12811
12812 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
12813 accessors.
12814
12815 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
12816 (execute_cse_sincos): Use new CALL_EXPR accessors.
12817
12818 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
12819
12820 * gimple-low.c (lower_function_body): Use build_call_expr.
12821 (lower_builtin_setjmp): Likewise.
12822
12823 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
12824 (set_storage_via_libcall): Likewise.
12825 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
12826 instead of TREE_CODE_LENGTH.
12827 (expand_expr_real_1): Use new CALL_EXPR accessors.
12828
12829 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
12830 generalize to handle any number of operands.
12831 (TB_parent_eq): Likewise.
12832
12833 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
12834 (strip_builtin_expect): Likewise.
12835
12836 * function.c (gimplify_parameters): Use build_call_expr.
12837
12838 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
12839 instead of TREE_CODE_LENGTH.
12840
12841 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
12842 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
12843
12844 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
12845 iterators.
12846
12847 * gimplify.c (build_stack_save_restore): Use build_call_expr.
12848 (gimplify_decl_expr): Likewise.
12849 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
12850 Use new CALL_EXPR iterators.
12851 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
12852 (gimplify_modify_expr_to_memset): Likewise.
12853 (gimplify_variable_sized_compare): Likewise.
12854 (gimplify_omp_atomic_fetch_op): Likewise.
12855 (gimplify_omp_atomic_pipeline): Likewise.
12856 (gimplify_omp_atomic_mutex): Likewise.
12857 (gimplify_function_tree): Likewise.
12858
12859 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
12860 (call_expr_flags): Likewise.
12861 (expand_call): Likewise.
12862
12863 * except.c (expand_builtin_eh_return_data_regno): Pass entire
12864 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
12865 accessors.
12866
12867 * coverage.c (create_coverage): Use build_call_expr.
12868
12869 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
12870 (temp_call_expr_obstack): New.
12871 (pool_copy_list): Delete.
12872 (temp_copy_call_expr): New.
12873 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
12874 CALL_EXPR accessors. Get rid of special goo for copying argument
12875 lists and use temp_copy_call_expr instead.
12876 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
12877 CALL_EXPR accessors.
12878 (create_expression_by_pieces): Likewise. Use build_call_array
12879 to construct the result instead of fold_build3.
12880 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
12881 dealing with argument lists.
12882 (init_pre): Remove references to expression_node_pool and
12883 list_node_pool. Init temp_call_expr_obstack instead.
12884 (fini_pre): Remove references to expression_node_pool and
12885 list_node_pool.
12886
12887 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
12888 and walk arguments explicitly instead of as a list.
12889
12890 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
12891 (mx_register_decls): Likewise.
12892 (mudflap_register_call): Likewise.
12893 (mudflap_finish_file): Likewise.
12894
12895 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
12896 (ipa_callsite_compute_param): Likewise.
12897
12898 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
12899 accessors and constructor.
12900
12901 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
12902 accessors and constructor.
12903 (convert_tramp_reference): Likewise.
12904 (convert_call_expr): Likewise.
12905 (finalize_nesting_tree_1): Likewise.
12906
12907 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
12908 accessors.
12909
12910 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
12911
12912 * tree-inline.c (initialize_inlined_parameters): Pass entire
12913 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
12914 accessors.
12915 (estimate_num_insns_1): Use new CALL_EXPR accessors.
12916 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
12917
12918 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
12919 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12920 (vectorizable_reduction): Likewise.
12921 (vectorizable_call): Use new CALL_EXPR iterators.
12922 (vectorizable_conversion): Use build_call_expr.
12923 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
12924 (vect_gen_widened_results_half): Use build_call_expr.
12925 (vect_setup_realignment): Likewise.
12926 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
12927
12928 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
12929 (pass_through_call): Likewise.
12930 (compute_object_sizes): Likewise. Use fold_call_expr instead of
12931 fold_builtin.
12932
12933 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
12934 (tree_gen_pow2_profiler): Likewise.
12935 (tree_gen_one_value_profiler): Likewise.
12936 (tree_gen_ic_func_profiler): Likewise.
12937 (tree_gen_average_profiler): Likewise.
12938 (tree_gen_ior_profiler): Likewise.
12939
12940 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
12941 (find_func_aliases): Use new CALL_EXPR accessors. Add case
12942 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12943
12944 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
12945 of TREE_CODE_LENGTH.
12946
12947 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
12948 of TREE_CODE_LENGTH.
12949
12950 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
12951 constructor.
12952 (convert_to_integer): Likewise.
12953
12954 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
12955 accessors.
12956
12957 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12958 Brooks Moses <brooks.moses@codesourcery.com>
12959 Lee Millward <lee.millward@codesourcery.com>
12960
12961 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
12962 accessors.
12963 * config/frv/frv.c (frv_expand_builtin): Likewise.
12964 * config/s390/s390.c (s390_expand_builtin): Likewise.
12965
12966 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
12967 (sparc_expand_builtin): Use new CALL_EXPR accessors.
12968
12969 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
12970 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
12971 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
12972 (ix86_expand_store_builtin): Likewise.
12973 (ix86_expand_unop_builtin): Likewise.
12974 (ix86_expand_unop1_builtin): Likewise.
12975 (ix86_expand_sse_compare): Likewise.
12976 (ix86_expand_sse_comi): Likewise.
12977 (ix86_expand_vec_init_builtin): Likewise.
12978 (ix86_expand_vec_ext_builtin): Likewise.
12979 (ix86_expand_vec_set_builtin): Likewise.
12980 (ix86_expand_builtin): Use new CALL_EXPR accessors.
12981
12982 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
12983 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
12984
12985 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
12986 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
12987 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
12988
12989 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
12990 build_call_expr.
12991 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
12992 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
12993 arglist. Use new CALL_EXPR accessors. Fix callers.
12994 (altivec_expand_abs_builtin): Likewise.
12995 (rs6000_expand_binop_builtin): Likewise.
12996 (altivec_expand_predicate_builtin): Likewise.
12997 (altivec_expand_lv_builtin): Likewise.
12998 (spe_expand_stv_builtin): Likewise.
12999 (altivec_expand_stv_builtin): Likewise.
13000 (rs6000_expand_ternop_builtin): Likewise.
13001 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
13002 (altivec_expand_st_builtin): Likewise.
13003 (altivec_expand_dst_builtin): Likewise.
13004 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
13005 arglist. Use new CALL_EXPR accessors. Fix callers.
13006 (altivec_expand_vec_set_builtin): Likewise.
13007 (altivec_expand_vec_ext_builtin): Likewise.
13008 (altivec_expand_builtin): Use new CALL_EXPR accessors.
13009 (spe_expand_builtin): Likewise.
13010 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
13011 arglist. Use new CALL_EXPR accessors. Fix callers.
13012 (spe_expand_evsel_builtin): Likewise.
13013 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
13014 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
13015
13016 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
13017 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13018 (arm_expand_unop_builtin): Likewise.
13019 (arm_expand_builtin): Use new CALL_EXPR accessors.
13020
13021 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
13022 accessors.
13023
13024 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
13025 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13026 (bfin_expand_unop_builtin): Likewise.
13027 (bfin_expand_builtin): Use new CALL_EXPR accessors.
13028
13029 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13030 Brooks Moses <brooks.moses@codesourcery.com>
13031 Lee Millward <lee.millward@codesourcery.com>
13032
13033 * c-semantics.c (build_stmt): Add internal diagnostic check.
13034
13035 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
13036 accessors. Print arguments explicitly instead of as a list.
13037
13038 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
13039
13040 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
13041 (c_finish_omp_flish): Likewise.
13042
13043 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
13044 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
13045 instead of TREE_CODE_LENGTH.
13046 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
13047 (c_warn_unused_result): Likewise.
13048
13049 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13050
13051 PR c/26494
13052 * doc/invoke.texi (Warning Options): Remove
13053 -Werror-implicit-function-declaration.
13054 (Wimplicit-function-declaration): Update description.
13055 * opts.c (common_handle_option): Move handling of -Werror=* to...
13056 (enable_warning_as_error): ...here.
13057 * opts.h (enable_warning_as_error): Declare.
13058 * c-decl.c (implicit_decl_warning): Unless
13059 -Wno-implicit-function-declaration is given, emit a pedwarn if
13060 -std=c99 or emit a warning if -Wimplicit-function-declaration.
13061 * c.opt (Wimplicit-function-declaration): Replace
13062 mesg_implicit_function_declaration with
13063 warn_implicit_function_declaration.
13064 * c-opts.c (c_common_handle_option):
13065 -Werror-implicit-function-declaration is exactly equal as
13066 -Werror=implicit-function-declaration.
13067 (set_Wimplicit): Replace mesg_implicit_function_declaration with
13068 warn_implicit_function_declaration.
13069 (c_common_post_options): -Wimplict-function-declaration is enabled
13070 by default by -std=c99, otherwise is disabled by default.
13071 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
13072
13073 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13074
13075 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
13076 DECL on the rhs to a DECL on the lhs for debug info purposes if the
13077 former is ignored but not the latter.
13078
13079 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13080
13081 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
13082 is made and the reference doesn't use the alias set of its type,
13083 do not create the temporary using that type.
13084
13085 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
13086
13087 * jump.c: Remove prototypes for delete_computation and
13088 delete_prior_computation.
13089
13090 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13091
13092 * jump.c (get_label_after): Delete.
13093 (get_label_before, delete_computation, delete_jump,
13094 delete_prior_computation, follow_jumps): Move...
13095 * reorg.c (delete_computation, delete_prior_computation): ... here...
13096 (get_label_before, delete_jump): ... making these static ...
13097 (follow_jumps): ... and simplifying this since it only runs after
13098 reload.
13099 * rtl.h (get_label_after, get_label_before, delete_jump,
13100 follow_jumps): Delete prototypes.
13101
13102 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13103
13104 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
13105
13106 2007-02-15 Nick Clifton <nickc@redhat.com>
13107
13108 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
13109 order to prevent it from being munged by the target.
13110
13111 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
13112
13113 * config/i386/i386.md: Remove misleading comment.
13114
13115 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13116
13117 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
13118 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
13119 invalid patterns.
13120
13121 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13122
13123 * tree-sra.c (instantiate_missing_elements): Canonicalize
13124 bit-field types.
13125 (sra_build_assignment): New.
13126 (generate_copy_inout, generate_element_copy,
13127 generate_element_zero, generate_one_element_init): Use it.
13128
13129 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13130
13131 * tree-sra.c (instantiate_missing_elements): Canonicalize
13132 bit-field types.
13133 (sra_build_assignment): New.
13134 (generate_copy_inout, generate_element_copy,
13135 generate_element_zero, generate_one_element_init): Use it.
13136
13137 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13138
13139 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
13140 limbo die nodes.
13141
13142 2007-02-14 Joseph Myers <joseph@codesourcery.com>
13143
13144 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
13145 types as aggregates not scalars.
13146 * function.c (assign_stack_temp_for_type): Likewise.
13147
13148 2007-02-14 Roger Sayle <roger@eyesopen.com>
13149 Zdenek Dvorak <dvorakz@suse.cz>
13150
13151 * tree-dump.c (dump_switch_p_1): Require exact match of the option
13152 name.
13153
13154 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13155
13156 * passes.c (next_pass_1): Clear the next field of the copied
13157 pass structure.
13158
13159 2007-02-14 Richard Henderson <rth@redhat.com>
13160
13161 * tree-sra.c (early_sra): New.
13162 (decl_can_be_decomposed_p): Deny va_list if early_sra.
13163 (tree_sra_early, pass_sra_early): New.
13164 * tree-pass.h (pass_sra_early): Declare.
13165 * passes.c (init_optimization_passes): Use it.
13166
13167 2007-02-14 Richard Guenther <rguenther@suse.de>
13168
13169 * flags.h (issue_strict_overflow_warning): Convert to a macro.
13170
13171 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
13172
13173 PR tree-optimization/30771
13174 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
13175 also phi nodes.
13176 (vect_analyze_operations): Induction phis can now be marked as
13177 used_in_loop.
13178 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
13179 Update documentation accordingly.
13180
13181 2007-02-14 Nick Clifton <nickc@redhat.com>
13182
13183 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
13184 most 3 arguments are supported.
13185 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
13186
13187 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
13188
13189 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
13190 Ensure dst->current is valid.
13191
13192 2007-02-13 Paul Brook <paul@codesourcery.com>
13193
13194 * config.gcc: Add arm*-*-uclinux-*eabi.
13195 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
13196 (SUBTARGET_EXTRA_LINK_SPEC): Define.
13197 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
13198 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
13199 (LINK_SPEC): Define.
13200 (LIB_SPEC): Define.
13201 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
13202 register.
13203 * config/arm/uclinux-eabi.h: New file.
13204 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
13205 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
13206 based targets.
13207
13208 2007-02-13 Ian Lance Taylor <iant@google.com>
13209
13210 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
13211 * flags.h (warn_strict_overflow): Declare.
13212 (enum warn_strict_overflow_code): Define.
13213 (issue_strict_overflow_warning): New static inline function.
13214 * opts.c (warn_strict_overflow): New variable.
13215 (common_handle_option): Handle OPT_Wstrict_overflow and
13216 OPT_Wstrict_overflow_.
13217 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
13218 OPT_Wall.
13219 * fold-const.c: Include intl.h.
13220 (fold_deferring_overflow_warnings): New static variable.
13221 (fold_deferred_overflow_warning): New static variable.
13222 (fold_deferred_overflow_code): New static variable.
13223 (fold_defer_overflow_warnings): New function.
13224 (fold_undefer_overflow_warnings): New function.
13225 (fold_undefer_and_ignore_overflow_warnings): New function.
13226 (fold_deferring_overflow_warnings_p): New function.
13227 (fold_overflow_warning): New static function.
13228 (make_range): Add strict_overflow_p parameter. Change all
13229 callers.
13230 (extract_muldiv, extract_muldiv_1): Likewise.
13231 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
13232 tree_expr_nonnegative_p.
13233 (fold_negate_expr): Call fold_overflow_warning.
13234 (fold_range_test): Likewise.
13235 (fold_comparison): Likewise.
13236 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
13237 instead of tree_expr_nonnegative_p.
13238 (tree_expr_nonnegative_warnv_p): Rename from
13239 tree_expr_nonnegative_p, add strict_overflow_p parameter.
13240 (tree_expr_nonnegative_p): New function.
13241 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
13242 strict_overflow_p parameter.
13243 (tree_expr_nonzero_p): New function.
13244 * passes.c (verify_interpass_invariants): New static function.
13245 (execute_one_pass): Call it.
13246 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
13247 warnings.
13248 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
13249 (estimate_numbers_of_iterations): Likewise.
13250 (scev_probably_wraps_p): Likewise.
13251 * tree-ssa-ccp.c: Include "toplev.h".
13252 (evaluate_stmt): Defer fold overflow warnings until we know we are
13253 going to optimize.
13254 (struct fold_stmt_r_data): Add stmt field.
13255 (fold_stmt_r): Defer fold overflow warnings until we know we
13256 optimized.
13257 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
13258 (fold_stmt_inplace): Likewise.
13259 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
13260 (cleanup_control_expr_graph): Defer fold overflow warnings until
13261 we know we are going to optimize.
13262 * tree-cfg.c (fold_cond_expr_cond): Likewise.
13263 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
13264 Likewise.
13265 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
13266 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
13267 * tree-ssa-loop-manip.c (create_iv): Likewise.
13268 * c-typeck.c (build_conditional_expr): Likewise.
13269 (build_binary_op): Likewise.
13270 * tree-vrp.c (vrp_expr_computes_nonzero): Call
13271 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
13272 (extract_range_from_unary_expr): Likewise.
13273 * simplify-rtx.c (simplify_const_relational_operation): Warn when
13274 assuming that signed overflow does not occur.
13275 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
13276 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
13277 (fold_defer_overflow_warnings): Declare.
13278 (fold_undefer_overflow_warnings): Declare.
13279 (fold_undefer_and_ignore_overflow_warnings): Declare.
13280 (fold_deferring_overflow_warnings_p): Declare.
13281 (tree_expr_nonzero_warnv_p): Declare.
13282 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
13283 of warning options.
13284 (Warning Options): Document -Wstrict-overflow.
13285 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
13286 (tree-ssa-ccp.o): Likewise.
13287 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
13288 (fold-const.o): Depend on intl.h.
13289
13290 2007-02-13 Ian Lance Taylor <iant@google.com>
13291
13292 PR middle-end/30751
13293 * lower-subreg.c (resolve_simple_move): Decompose subregs in
13294 addresses.
13295
13296 2007-02-13 Stuart Hastings <stuart@apple.com>
13297
13298 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
13299
13300 2007-02-13 Richard Henderson <rth@redhat.com>
13301
13302 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
13303 handled_component_p before looking for the indirect_ref.
13304
13305 2007-02-13 Richard Henderson <rth@redhat.com>
13306
13307 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
13308 remove flags clobber.
13309 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
13310 (bswaphi_lowpart): New.
13311 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
13312 remove TARGET_BSWAP test. Delete expander of the same name.
13313
13314 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
13315 (expand_unop): Use them.
13316
13317 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
13318
13319 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
13320 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
13321 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
13322 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
13323 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
13324 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
13325 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
13326 assembler dialect choice from asm templates.
13327
13328 2007-02-12 Richard Henderson <rth@redhat.com>
13329
13330 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
13331 (fixuns_trunc<SSEMODEF>si2): Use it.
13332 * config/i386/sse.md (vec_setv4sf_0): Export.
13333 * config/i386/i386.c (ix86_build_const_vector): Export.
13334 (ix86_split_convert_uns_si_sse): Rename from
13335 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
13336 * config/i386/i386-protos.h: Update.
13337
13338 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13339
13340 PR c/29521
13341 * c-typeck.c (c_finish_return): Improve warning message.
13342
13343 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13344
13345 * alias.c (find_symbolic_term): Delete unused function.
13346
13347 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
13348
13349 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
13350 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
13351 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
13352
13353 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13354
13355 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
13356 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
13357 the function, temporarily point the debug interface to the null one.
13358
13359 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13360
13361 * dwarf2out.c (round_up_to_align): New static function.
13362 (field_byte_offset): Use it to round the offset.
13363
13364 2007-02-12 Richard Henderson <rth@redhat.com>
13365
13366 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
13367 (inswl_const): Export.
13368
13369 2007-02-12 Richard Henderson <rth@redhat.com>
13370
13371 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
13372 result mode of the libcall, convert back to outmode.
13373
13374 2007-02-12 Roger Sayle <roger@eyesopen.com>
13375
13376 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
13377 (bswapdi2): New define_expand to implement 32-bit implementation.
13378
13379 2007-02-12 Nick Clifton <nickc@redhat.com>
13380
13381 * doc/invoke.texi (Overall Options): Document --help=.
13382 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
13383 (cc1_options): Pass --help= on to cc1.
13384 (display_help): Add description of --help=.
13385 (process_command): Add code to handle --help=. Allow translated
13386 --help and --target-help switches to be passed on to compiler
13387 sub-process.
13388 (main): Remove unused if statement.
13389 * opts.c (columns): Remove.
13390 (LEFT_COLUMN): Define.
13391 (wrap_help): Add columns argument.
13392 (print_filtered_help): Change parameters to be an include bitmask,
13393 an exclude bitmask, an any bitmask and the column width. Move the
13394 code to display the params list here. Add code to display the
13395 status of options rather than their descriptions if the quiet flag
13396 is not active.
13397 (print_specific_help): Change parameters to be an include bitmask,
13398 an exclude bitmask and an any bitmask. Move code to look up the
13399 column width here. Decide upon the title for an options listing.
13400 (common_handle_options): Add code to handle --help=. Adapt code
13401 for --help and --target-help to use the revised form of the
13402 print_specific_help function.
13403 (print_help): Delete.
13404 (print_param_help): Delete.
13405 (print_switch): Delete.
13406 * opts.h (cl_lang_count): Add prototype.
13407 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
13408 CL_MAX_OPTION_CLASS): New defines.
13409 * optc-gen.awk: Add construction of cl_lang_count.
13410 * c.opt: Add Warning attribute to warning options and Optimization
13411 attribute to optimization options.
13412 * common.opt: Likewise.
13413 Add --help=.
13414 Add -fhelp and -ftarget-help as aliases for the transformed --help
13415 and --target-help options.
13416 * opt-functions.awk: Add code to handle Warning and Optimization
13417 attributes.
13418
13419 2007-02-12 Richard Henderson <rth@redhat.com>
13420
13421 * config/alpha/constraints.md: New file.
13422 * config/alpha/alpha.c: Include tm-constrs.h.
13423 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
13424 alpha_extra_constraint): Remove.
13425 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
13426 * config/alpha/alpha-protos.h: Update.
13427 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
13428 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
13429 (EXTRA_CONSTRAINT): Remove.
13430 * config/alpha/alpha.md: Include constraints.md.
13431 (adddi splitter): Use satisfies_constraint_*.
13432 * config/alpha/predicates.md (add_operand): Likewise.
13433 (sext_add_operand, addition_operation): Likewise.
13434
13435 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
13436
13437 PR tree-optimization/29145
13438 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
13439 in our handling of restrict qualified pointers.
13440
13441 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13442
13443 PR middle-end/7651
13444 * doc/invoke.texi (Wunused-value): Update description.
13445 (Wextra): Delete item.
13446 * opts.c (set_Wextra): Don't use the value of Wextra to set the
13447 value of Wunused-value.
13448 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
13449 (c_finish_stmt_expr): Don't check extra_warnings.
13450 (emit_side_effect_warnings): The caller is responsible to check
13451 warn_unused_value.
13452
13453 2007-02-11 Roger Sayle <roger@eyesopen.com>
13454 Matt Thomas <matt@3am-software.com>
13455
13456 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
13457
13458 2007-02-11 Roger Sayle <roger@eyesopen.com>
13459
13460 * simplify-rtx.c (simplify_relational_operation_1): Optimize
13461 comparisons of POPCOUNT against zero.
13462 (simplify_const_relational_operation): Likewise.
13463
13464 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13465
13466 * doc/invoke.texi (Wextra): Delete outdated paragraph.
13467
13468 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13469
13470 * dwarf2out.c (root_type): Delete unused function.
13471
13472 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13473
13474 * genattrtab.c (contained_in_p): Delete unused function.
13475 (write_expr_attr_cache): Likewise.
13476
13477 2007-02-11 Jan Hubicka <jh@suse.cz>
13478
13479 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
13480 previous patch.
13481
13482 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
13483
13484 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
13485 to add the REG_EQ* note.
13486 * see.c (see_merge_one_use_extension): Likewise.
13487 * local-alloc.c (update_equiv_regs): Likewise. Also don't
13488 turn REG_EQUAL notes into REG_EQUIV notes if the target
13489 register may have more than one set.
13490 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
13491 * gcse.c (try_replace_reg): Likewise.
13492 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
13493 * calls.c (fixup_tail_calls): Likewise. Abort if there is
13494 more than one REG_EQUIV note.
13495 * reload1.c (gen_reload): Use set_unique_reg_note.
13496
13497 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
13498
13499 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
13500 (ix86_builtin_conversion): New function.
13501
13502 2007-02-06 Mark Mitchell <mark@codesourcery.com>
13503
13504 PR target/29487
13505 * tree.h (DECL_REPLACEABLE_P): New macro.
13506 * except.c (set_nothrow_function_flags): Likewise.
13507
13508 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
13509 Ira Rosen <irar@il.ibm.com>
13510 Dorit Nuzman <dorit@il.ibm.com>
13511
13512 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
13513 * targhooks.c (default_builtin_vectorized_conversion): New.
13514 * targhooks.h (default_builtin_vectorized_function): New declaration.
13515 * target.h (struct vectorize): Add builtin_conversion field.
13516 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
13517 stmt_vec_info_type value.
13518 (vectorizable_conversion): New declaration.
13519 * tree-vect-analyze.c (vect_analyze_operations): Add
13520 vectorizable_conversion call.
13521 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
13522 * tree-vect-transform.c (vectorizable_conversion): New function.
13523 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
13524 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
13525 mode.
13526 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
13527 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
13528 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
13529 or ALTIVEC_BUILTIN_VCFSX.
13530
13531 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13532
13533 PR target/30634
13534 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
13535 CONST_DOUBLE and operand 0 is a hard register.
13536 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
13537 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
13538 is a hard floating-point register.
13539
13540 2007-02-10 Richard Henderson <rth@redhat.com>
13541 Jakub Jelinek <jakub@redhat.com>
13542 Alexandre Oliva <aoliva@redhat.com>
13543
13544 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
13545 * builtin-types.def (BT_WORD): Make unsigned.
13546 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
13547 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
13548 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
13549 * c-decl.c (grokdeclarator): Don't error if !have_tls.
13550 * c-parser.c (c_parser_omp_threadprivate): Likewise.
13551 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
13552 emulated tls.
13553 * expr.c (emutls_var_address): New.
13554 (expand_expr_real_1): Expand emulated tls.
13555 (expand_expr_addr_expr_1): Likewise.
13556 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
13557 * output.h (emutls_finish): Declare.
13558 * toplev.c (compile_file): Call it.
13559 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
13560 address before wrapping in CONST.
13561 * varasm.c (emutls_htab, emutls_object_type): New.
13562 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
13563 (get_emutls_object_name, get_emutls_object_type): New.
13564 (get_emutls_init_templ_addr, emutls_decl): New.
13565 (emutls_common_1, emutls_finish): New.
13566 (assemble_variable): When emulating tls, swap decls; generate
13567 constructor for the emutls objects.
13568 (do_assemble_alias): When emulating tls, swap decl and target name.
13569 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
13570 for emulated tls.
13571 * varpool.c (decide_is_variable_needed): Look at force_output.
13572 Recurse for emulated tls.
13573 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
13574 with decide_is_variable_needed.
13575 * emutls.c: New file.
13576 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
13577 tls_object for real tls.
13578
13579 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
13580
13581 PR rtl-optimization/29599
13582 * reload1.c (eliminate_regs_in_insn): Take the destination
13583 mode into account when computing the offset.
13584
13585 2007-02-09 Stuart Hastings <stuart@apple.com>
13586 Richard Henderson <rth@redhat.com>
13587
13588 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13589 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13590 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
13591 fixuns_truncdfhi2): New.
13592 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
13593 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
13594 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
13595 (floatunssidf2): Allow nonimmediate source.
13596 * config/i386/sse.md (movdi_to_sse): New.
13597 (vec_concatv2di): Drop '*'.
13598 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
13599 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13600 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
13601 New.
13602 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
13603 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13604 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
13605 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
13606 (ix86_build_signbit_mask): Fix decl of v, refactor to call
13607 ix86_build_const_vector.
13608 (x86_emit_floatuns): Rewrite.
13609
13610 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13611
13612 * genautomata.c (longest_path_length): Delete unused function.
13613 (struct state): Delete unused longest_path_length.
13614 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
13615 (get_free_state): Delete unused.
13616
13617 2007-02-09 Jan Hubicka <jh@suse.cz>
13618
13619 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
13620 * doc/invoke.texi (inline-unit-growth): Update default value.
13621
13622 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
13623 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
13624 (rebuild_cgraph_edges): Likewise.
13625 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
13626 (dump_cgraph_node): Dump frequencies.
13627 (cgraph_clone_edge): Add frequency scales.
13628 (cgraph_clone_node): Add freuqnecy.
13629 * cgraph.h (cgraph_edge): Add freuqnecy argument.
13630 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
13631 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
13632 * tree-pass.h (TODO_rebuild_frequencies): New constant.
13633 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
13634 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
13635 (save_inline_function_body): Likewise.
13636 * ipa-inline.c: inluce rtl.h
13637 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
13638 (cgraph_edge_badness): Use frequencies.
13639 (cgraph_decide_recursive_inlining): Update clonning.
13640 (cgraph_decide_inlining_of_small_function): Dump frequency.
13641 * predict.c (estimate_bb_frequencies): Export.
13642 * predict.h (estimate_bb_frequencies): Declare.
13643 * tree-inline.c (copy_bb): Watch overflows.
13644 (expand_call_inline): Update call of cgraph_create_edge.
13645 (optimize_inline_calls): Use TODO flags to update frequnecies.
13646 * passes.h: Include predict.h
13647 (init_optimization_passes): Move profile ahead.
13648 (execute_function_todo): Handle TODO_rebuild_frequencies.
13649
13650 2007-02-09 Roger Sayle <roger@eyesopen.com>
13651
13652 * config/alpha/alpha.c (emit_insxl): Force the first operand of
13653 the insbl or inswl pattern into a register.
13654
13655 2007-02-09 Roger Sayle <roger@eyesopen.com>
13656
13657 * config/ia64/ia64.md (bswapdi2): New define_insn.
13658
13659 2007-02-09 Richard Henderson <rth@redhat.com>
13660
13661 * config/i386/constraints.md (Ym): New constraint.
13662 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
13663 (movdi_1_rex64): Split sse and xmm general register moves from
13664 memory move alternatives. Use conditional register constraints.
13665 (movsf_1, movdf_integer): Likewise.
13666 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13667 (movdf_integer_rex64): New.
13668 (pushsf_rex64): Fix output constraints.
13669 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
13670 (sse2_stored): Likewise.
13671 (sse2_storeq_rex64): New.
13672 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
13673 amd and not generic.
13674 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
13675 for optimize_size. Remove SF/DFmode hack.
13676
13677 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
13678
13679 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
13680 (bit_SSE4a): New.
13681
13682 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
13683 Richard Sandiford <richard@codesourcery.com>
13684
13685 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
13686 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
13687 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
13688 m68k/t-mlib to tmake_file.
13689 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
13690 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
13691 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
13692 Allow it to be cf or m68k. Set m68k_arch_family. If that
13693 variable is not empty, add t-$m68k_arch_family to tmake_file.
13694 Add t-mlibs to tmake_file.
13695 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
13696 * config/m68k/t-cf: New file.
13697 * config/m68k/t-m68k: Likewise.
13698 * config/m68k/t-mlibs: Likewise.
13699 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13700 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13701 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13702 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13703 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
13704 Delete.
13705 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
13706 (INSTALL_LIBGCC): Delete.
13707 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13708 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13709 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13710 (M68K_MLIB_CPU): Define.
13711 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13712 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13713 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
13714
13715 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13716 Richard Guenther <rguenther@suse.de>
13717
13718 PR middle-end/23361
13719 * fold-const.c (fold_comparison): Handle obfuscated comparisons
13720 against INT_MIN/INT_MAX.
13721 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
13722 file if a loop is removed.
13723
13724 2007-02-09 Joseph Myers <joseph@codesourcery.com>
13725
13726 * calls.c (store_one_arg): Pass correct alignment to
13727 emit_push_insn for non-BLKmode values.
13728 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
13729 unaligned stack slot via a suitably aligned slot.
13730
13731 2007-02-08 DJ Delorie <dj@redhat.com>
13732
13733 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
13734 warnings.
13735 (legal_subregs): Use unsigned char, make const.
13736 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
13737
13738 2007-02-08 Paul Brook <paul@codesourcery.com>
13739
13740 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
13741 special interworking needed.
13742
13743 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
13744
13745 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
13746 conditional to __SSE2__.
13747 (Entries below should have been added to first ChangeLog
13748 entry for amdfam10 dated 2007-02-05)
13749 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
13750 defined.
13751 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
13752 defined.
13753 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
13754 defined.
13755
13756 2007-02-08 DJ Delorie <dj@redhat.com>
13757
13758 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
13759 * config/m32c/m32c.c (legal_subregs): New.
13760 (m32c_illegal_subreg_p): New.
13761 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
13762 unsupported subregs of hard regs.
13763
13764 2007-02-08 Jan Hubicka <jh@suse.cz>
13765
13766 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
13767 the same one; always update histograms.
13768
13769 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13770
13771 * passes.c (init_optimization_passes): Tidy comment.
13772
13773 2007-02-08 Roger Sayle <roger@eyesopen.com>
13774
13775 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
13776 strip zero_extend, bswap and rotates from POCOUNT's argument.
13777 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
13778 zero_extend and rotates from PARITY's argument.
13779 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
13780 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
13781 of an integer constant at compile-time.
13782
13783 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13784
13785 PR 30562
13786 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
13787 Update all users.
13788 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
13789 users.
13790 (init_alias_info):
13791 * tree-ssa-live.c (remove_unused_locals): Do not remove
13792 TREE_ADDRESSABLE variables.
13793 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
13794 * tree-ssa-operands.c (add_virtual_operand): Remove argument
13795 FOR_CLOBBER. Update all users.
13796 If VAR has an associated alias set, add a virtual operand for
13797 it if no alias is found to conflict with the memory reference.
13798
13799 2007-02-07 Jan Hubicka <jh@suse.cz>
13800 Robert Kidd <rkidd@crhc.uiuc.edu>
13801
13802 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
13803
13804 2007-02-07 Ian Lance Taylor <iant@google.com>
13805
13806 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
13807
13808 2007-02-07 Roger Sayle <roger@eyesopen.com>
13809
13810 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
13811 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
13812 tablejumpdi, movsi_to_cr_one): Remove constraints from
13813 define_expand's match_operands.
13814
13815 2007-02-07 Roger Sayle <roger@eyesopen.com>
13816
13817 * global.c (compute_regsets): Move declatation of "i" inside of
13818 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
13819
13820 2007-02-07 Jakub Jelinek <jakub@redhat.com>
13821
13822 PR c++/30703
13823 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
13824 of INDIRECT_REF <RESULT_DECL>.
13825
13826 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
13827
13828 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
13829 Kaz Kojima <kkojima@gcc.gnu.org>
13830
13831 PR target/29746
13832 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
13833 properly.
13834 (sh_initialize_trampoline): Add parentheses to avoid a warning.
13835
13836 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13837
13838 * doc/loop.texi: Document possibility not to perform disambiguation
13839 of loops with multiple latches.
13840 * cfgloopmanip.c (alp_enum_p): Removed.
13841 (add_loop): Handle subloops. Use get_loop_body_with_size.
13842 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
13843 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
13844 the new forwarder block.
13845 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
13846 Handle the case latch is NULL.
13847 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
13848 when marking loop exits.
13849 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
13850 be modified.
13851 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
13852 disambiguate_loops_with_multiple_latches.
13853 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
13854 before fix_loop_structure.
13855 * cfgloop.c: Include pointer-set.h and output.h.
13856 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
13857 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
13858 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
13859 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
13860 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
13861 disambiguate_multiple_latches, get_loop_body_with_size,
13862 disambiguate_loops_with_multiple_latches): New functions.
13863 (flow_loop_dump): Dump multiple latch edges.
13864 (flow_loop_nodes_find): Handle loops with multiple latches.
13865 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
13866 (glb_enum_p): Modified.
13867 (get_loop_body): Use get_loop_body_with_size.
13868 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
13869 (AVOID_CFG_MODIFICATIONS): New constant.
13870 (disambiguate_loops_with_multiple_latches, add_loop,
13871 get_loop_body_with_size): Declare.
13872 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
13873
13874 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
13875
13876 PR inline-asm/28686
13877 * global.c (compute_regsets): New function.
13878 (global_alloc): Refactored ELIMINABLE_REGSET
13879 and NO_GLOBAL_ALLOC_REGS computation out.
13880 (rest_of_handle_global_alloc): Call compute_regsets()
13881 for non-optimizing case.
13882
13883 2007-02-06 Richard Henderson <rth@redhat.com>
13884
13885 * config/i386/constraints.md (Y2): Rename from Y.
13886 (Yi): New constraint.
13887 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
13888 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
13889 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
13890 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
13891 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
13892 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
13893 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
13894 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
13895 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
13896 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
13897 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
13898 vec_extractv2si_1): Change Y constraints to Y2.
13899 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
13900 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
13901 Change Y constraints to Y2.
13902 (sse2_loadld): Change Y constraints to x.
13903
13904 2007-02-06 Roger Sayle <roger@eyesopen.com>
13905
13906 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
13907 (parity<mode>2): New define_expand using rs6000_emit_parity.
13908 * config/rs6000/rs6000.c (rs6000_emit_popcount,
13909 rs6000_emit_parity): New functions.
13910 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
13911 rs6000_emit_parity): Prototype here.
13912
13913 2007-02-06 Ian Lance Taylor <iant@google.com>
13914
13915 * lower-subreg.c (simple_move_operand): Reject CONST.
13916 (resolve_clobber): Call validate_change rather than directly
13917 assigning to XEXP (pat, 0).
13918
13919 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
13920
13921 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
13922 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
13923 (tree-cfg.o): Remove hashtab.h dependency.
13924
13925 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
13926 (struct ivopts_data): Change niters to pointer_map_t.
13927 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
13928 (niter_for_exit): Create pointer_map on demand. Change for
13929 pointer_map API.
13930 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
13931 (free_loop_data): Destroy data->niters if created and reset field.
13932 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
13933 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
13934
13935 * tree-ssa-reassoc.c: Include pointer-set.h.
13936 (bb_rank): Change to long *.
13937 (operand_rank): Change to pointer_map_t.
13938 (find_operand_rank): Return long, -1 if not found. Declare as inline.
13939 (insert_operand_rank): Accept long.
13940 (operand_entry_hash, operand_entry_eq): Remove.
13941 (get_rank): Return long. Adjust for changes above.
13942 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
13943 and operand_rank.
13944 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
13945
13946 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
13947 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
13948 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
13949 is not NULL.
13950 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
13951 directly since it cannot be NULL.
13952 (get_vi_for_tree): Rewrite for pointer_map API.
13953 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
13954 (init_alias_vars): Create vi_for_tree as pointer_map.
13955 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
13956
13957 * tree-cfg.c: Don't include hashtab.h.
13958 (edge_to_cases): Declare as pointer_map.
13959 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
13960 Delete.
13961 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
13962 (start_recording_case_labels): Create edge_to_cases as pointer_map.
13963 (end_recoding_case_labels): Cleanup edge_to_cases manually before
13964 destroying it.
13965 (record_switch_edge): Delete.
13966 (get_cases_for_edge): Adjust for pointer_map API, inline
13967 record_switch_edge (rewritten for new API), remove goto.
13968
13969 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
13970
13971 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
13972 * tree-nested.c: Include pointer-set.h.
13973 (var_map_elt, var_map_eq, var_map_hash): Delete.
13974 (struct nesting_info): Remove GTY marker. Change the two htab_t's
13975 to pointer_map_t's.
13976 (nesting_info_bitmap_obstack): New.
13977 (lookup_field_for_decl): Adjust for pointer_map API.
13978 (lookup_tramp_for_decl): Adjust for pointer_map API.
13979 (get_nonlocal_debug_decl): Adjust for pointer_map API.
13980 (get_local_debug_decl): Adjust for pointer_map API.
13981 (convert_nl_goto_reference): Adjust for pointer_map API.
13982 (convert_nl_goto_receiver): Adjust for pointer_map API.
13983 (create_nesting_tree): Create outside GGC space. Create bitmap on
13984 the new obstack. Create field_map and var_map as pointer_maps.
13985 (free_nesting_tree): Adjust for changes to create_nesting_tree.
13986 (root): Delete.
13987 (lower_nested_functions): Move root here, no need to NULL it.
13988 Initialize and release the obstack.
13989
13990 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
13991
13992 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
13993 Remove prototypes and make them non-static.
13994 (struct tree_int_map): Remove.
13995 * tree.h (struct tree_int_map): Move here, turning TO into an
13996 unsigned int.
13997 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
13998
13999 * tree.h (TREE_COMPLEXITY): Remove.
14000 (struct tree_exp): Remove complexity field.
14001 * tree.c (build1_stat): Don't set it.
14002
14003 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
14004 Victor Kaplansky <victork@il.ibm.com>
14005
14006 * tree-vectorizer.c (vect_is_simple_use): Support induction.
14007 (vect_is_simple_reduction): Support reduction with induction as
14008 one of the operands.
14009 (vect_is_simple_iv_evolution): Fix formatting.
14010 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
14011 formatting. Don't mark induction phis for vectorization.
14012 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
14013 * tree-vect-transform.c (get_initial_def_for_induction): New function.
14014 (vect_get_vec_def_for_operand): Support induction.
14015 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
14016 induction case.
14017 (vectorizable_reduction): Support reduction with induction as one of
14018 the operands.
14019 (vectorizable_type_demotion): Use def-type of stmt argument rather
14020 than dummy def-type.
14021
14022 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
14023 flag_tree_scev_cprop.
14024 * common.opt (tree-scev-cprop): New flag.
14025
14026 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
14027 call to vect_get_new_vect_var.
14028
14029 2007-02-06 Ira Rosen <irar@il.ibm.com>
14030
14031 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
14032 vectype is not NULL.
14033 (vect_pattern_recog_1): Likewise.
14034
14035 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14036
14037 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
14038 (fold_negate_expr): Likewise.
14039
14040 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
14041
14042 PR debug/30189
14043 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
14044 even if cv-qualification is the same.
14045
14046 2007-02-05 Geoffrey Keating <geoffk@apple.com>
14047
14048 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
14049 __enable_execute_stack on completion.
14050
14051 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14052
14053 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
14054 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
14055 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
14056 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
14057 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
14058 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
14059 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
14060 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
14061
14062 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14063
14064 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
14065 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
14066 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
14067 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
14068 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
14069 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
14070 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
14071 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
14072 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
14073 umuldi3_highpart_rex64, umulsi3_highpart_insn,
14074 umulsi3_highpart_zext, smuldi3_highpart_rex64,
14075 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
14076 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
14077 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
14078 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
14079 sqrtextenddfxf2_i387): Added amdfam10_decode.
14080
14081 * config/i386/athlon.md (athlon_idirect_amdfam10,
14082 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
14083 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
14084 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
14085 athlon_ivector_store_amdfam10): New define_insn_reservation.
14086 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
14087 amdfam10.
14088
14089 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14090
14091 * config/i386/athlon.md (athlon_call_amdfam10,
14092 athlon_pop_amdfam10, athlon_lea_amdfam10): New
14093 define_insn_reservation.
14094 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
14095 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
14096 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
14097
14098 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14099
14100 * config/i386/athlon.md (athlon_sseld_amdfam10,
14101 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
14102 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
14103
14104 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14105
14106 * config/i386/athlon.md (athlon_sseins_amdfam10): New
14107 define_insn_reservation.
14108 * config/i386/i386.md (sseins): Added sseins to define_attr type
14109 and define_attr unit.
14110 * config/i386/sse.md: Set type attribute to sseins for insertq
14111 and insertqi.
14112
14113 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14114
14115 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
14116 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
14117 ssecomi_load_amdfam10, ssecomi_amdfam10,
14118 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
14119 define_insn_reservation.
14120 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
14121
14122 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14123
14124 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
14125 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
14126 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
14127 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
14128 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
14129 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
14130 define_insn_reservation.
14131
14132 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
14133 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
14134 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
14135 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
14136 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
14137
14138 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14139
14140 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
14141 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
14142 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
14143 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
14144 athlon_ssemul_load_k8): Added amdfam10.
14145
14146 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14147
14148 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
14149 (x86_sse_unaligned_move_optimal): New variable.
14150
14151 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
14152 m_AMDFAM10.
14153 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
14154 for unaligned vector SSE double/single precision loads for AMDFAM10.
14155
14156 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14157
14158 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
14159 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
14160 Define TARGET_CPU_DEFAULT_amdfam10.
14161 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
14162 (processor_type): Add PROCESSOR_AMDFAM10.
14163
14164 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
14165 processor_type in config/i386/i386.h.
14166 Enable imul peepholes for TARGET_AMDFAM10.
14167
14168 * config.gcc: Add support for --with-cpu option for amdfam10.
14169
14170 * config/i386/i386.c (amdfam10_cost): New variable.
14171 (m_AMDFAM10): New macro.
14172 (m_ATHLON_K8_AMDFAM10): New macro.
14173 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
14174 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
14175 x86_promote_QImode, x86_integer_DFmode_moves,
14176 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14177 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
14178 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
14179 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
14180 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
14181 Enable/disable for amdfam10.
14182 (override_options): Add amdfam10_cost to processor_target_table.
14183 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
14184 processor_alias_table.
14185 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
14186 (ix86_adjust_cost): Add code for amdfam10.
14187
14188 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14189
14190 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
14191 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
14192 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
14193 * config/i386/i386.h: Add builtin definition for SSE4A.
14194 * config/i386/i386.md: Add support for ABM instructions
14195 (popcnt and lzcnt).
14196 * config/i386/sse.md: Add support for SSE4A instructions
14197 (movntss, movntsd, extrq, insertq).
14198 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
14199 Add -march=amdfam10 flag.
14200 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
14201 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
14202 and amdfam10.
14203 * doc/extend.texi: Add documentation for SSE4A builtins.
14204
14205 2007-02-05 Bob Wilson <bob.wilson@acm.org>
14206
14207 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
14208
14209 2007-02-05 Richard Guenther <rguenther@suse.de>
14210
14211 * tree-vectorizer.h (vectorizable_function): Add argument type
14212 argument, change return type.
14213 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
14214 * tree-vect-transform.c (vectorizable_function): Handle extra
14215 argument, return vectorized function decl.
14216 (build_vectorized_function_call): Remove.
14217 (vectorizable_call): Handle calls with result and argument types
14218 differing. Handle loop vectorization factor correctly.
14219 * targhooks.c (default_builtin_vectorized_function): Adjust for
14220 extra argument.
14221 * targhooks.h (default_builtin_vectorized_function): Likewise.
14222 * target.h (builtin_vectorized_function): Add argument type
14223 argument.
14224 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
14225 extra argument, allow vectorizing of lrintf.
14226 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
14227 documentation of target hook.
14228
14229 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
14230
14231 PR target/30665
14232 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
14233 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
14234 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
14235
14236 2007-02-05 Roger Sayle <roger@eyesopen.com>
14237
14238 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
14239 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
14240 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
14241 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
14242 before canonicalizing sincos to cexpi.
14243 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
14244
14245 2007-02-05 Roger Sayle <roger@eyesopen.com>
14246
14247 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
14248 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
14249 (alpha_init_builtins): Use alpha_add_builtins to process tables.
14250
14251 2007-02-05 Roger Sayle <roger@eyesopen.com>
14252
14253 * mips-tfile.c (initialize_init_file): Correct endianness test.
14254
14255 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
14256
14257 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
14258 the 'y' constraint.
14259
14260 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14261
14262 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
14263 saves in a PARALLEL before the register assignments.
14264
14265 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14266
14267 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
14268 DWARF_FRAME_RETURN_COLUMN to be a general register.
14269 * dwarf2out.c (init_return_column_size): New function, split from...
14270 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
14271 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
14272 to be nongeneral registers.
14273 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
14274 integer registers.
14275 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
14276 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
14277
14278 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14279
14280 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
14281
14282 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14283
14284 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
14285 (remove_path): Use can_remove_branch_p and remove_branch instead
14286 of loop_delete_branch_edge.
14287 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
14288 (tree_transform_and_unroll_loop): Remove dead branches immediately.
14289 Update profile using scale_dominated_blocks_in_loop.
14290 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
14291 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
14292 (can_remove_branch_p, remove_branch): Declare.
14293 * tree-cfg.c (tree_can_remove_branch_p): New function.
14294 (tree_cfg_hooks): Add tree_can_remove_branch_p.
14295 * cfgrtl.c (rtl_can_remove_branch_p): New function.
14296 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
14297
14298 2007-02-05 Jan Hubicka <jh@suse.cz>
14299
14300 PR middle-end/30696
14301 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
14302 nodes in cgraph, don't remove offline copy of the function.
14303
14304 2007-02-04 Jan Hubicka <jh@suse.cz>
14305
14306 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
14307 vectors might cause maybe_lookup_element_for_expr to be called
14308 on non-sra-candidate.
14309
14310 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14311
14312 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
14313 config/bfin/bfin.md, config/bfin/predicates.md: Follow
14314 spelling conventions.
14315
14316 2007-02-04 Richard Guenther <rguenther@suse.de>
14317
14318 PR middle-end/30636
14319 * fold-const.c (try_move_mult_to_index): Make sure to not
14320 overflow one dimension of a multi-dimensional array access.
14321
14322 2007-02-04 Jan Hubicka <jh@suse.cz>
14323
14324 * passes.c (init_optimization_passes): Reindent.
14325
14326 2007-02-04 Jan Hubicka <jh@suse.cz>
14327 Eric Botcazou <ebotcazou@adacore.com>
14328
14329 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
14330 (execute_fixup_cfg): Break out the abnormal goto code.
14331 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
14332 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
14333 (optimize_inline_calls): Call make_nonlocal_label_edges.
14334
14335 2007-02-04 Jan Hubicka <jh@suse.cz>
14336
14337 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
14338 true when something was changed.
14339 (rename_ssa_copies): When something was changed, do
14340 TODO_remove_unused_locals.
14341 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
14342 add TODO_remove_unused_locals when instruction was removed.
14343
14344 2007-02-04 Jan Hubicka <jh@suse.cz>
14345
14346 * ipa-inline.c (try_inline): Improve debug output; work on already
14347 inline edges too.
14348 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
14349 call try_inline for already inlined edges too when flattening;
14350 inline also functions that make callee growth but overall unit size
14351 reduce.
14352
14353 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14354
14355 * config/m32c/bitops.md, config/m32c/jump.md,
14356 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
14357 config/m32r/m32r.h, config/m32r/m32r.md,
14358 config/m32r/predicates.md, config/m68hc11/larith.asm,
14359 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
14360 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
14361 config/mips/mips-protos.h, config/mips/mips.c,
14362 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
14363 config/mn10300/mn10300.h, config/mn10300/predicates.md,
14364 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
14365 spelling conventions.
14366
14367 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
14368 Follow spelling conventions.
14369
14370 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
14371
14372 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
14373 warn about C++0x compatibility.
14374
14375 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14376
14377 * config/h8300/h8300.c, config/h8300/h8300.h,
14378 config/h8300/h8300.md: Follow spelling conventions.
14379
14380 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
14381
14382 PR middle-end/30667
14383 * combine.c (try_combine): Do not substitute source operand
14384 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
14385
14386 2007-02-03 Jan Hubicka <jh@suse.cz>
14387
14388 PR gcov-profile/30650
14389 * value-prof.c (stringop_block_profile): Fix handling of size counter;
14390 do not divide by zero for never executed counters.
14391 (tree_find_values_to_profile): Fix counters.
14392 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
14393
14394 2007-02-03 Ian Lance Taylor <iant@google.com>
14395
14396 * lower-subreg.c (simple_move_operand): New static function,
14397 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
14398 operands.
14399 (simple_move): Call simple_move_operand.
14400 (find_decomposable_subregs): Add special handling of MEMs.
14401 (can_decompose_p): Rename from cannot_decompose_p. Reverse
14402 meaning of return value. If we see a hard register, test whether
14403 it can store a word_mode value. Change all callers.
14404
14405 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14406
14407 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
14408 ftrapv insns and expanders.
14409 (subdi3): Change define_expand operand 1 to arith11_operand, and
14410 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
14411 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
14412 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
14413 respectively.
14414
14415 PR middle-end/30174
14416 * varasm.c (notice_global_symbol): Treat global objects as weak when
14417 flag_shlib is true.
14418
14419 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14420
14421 * emit-rtl.c (dconstpi): Delete.
14422 (dconstsqrt2): New.
14423 (init_emit_once): Delete dconstpi and init dconstsqrt2.
14424 * real.h (dconstpi): Delete.
14425 (dconstsqrt2): New.
14426 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
14427 (fold_builtin_hypot): Likewise.
14428
14429 2007-02-03 Tom Tromey <tromey@redhat.com>
14430
14431 PR driver/30246
14432 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
14433 -gcoff3, -gxcoff3, -gvms3 implies -dD.
14434
14435 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
14436
14437 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
14438 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
14439 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
14440 config/rs6000/cell.md, config/rs6000/darwin.h,
14441 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
14442 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
14443 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
14444 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
14445 typos. Follow spelling conventions.
14446 * doc/invoke.texi: Follow spelling conventions.
14447
14448 2007-02-03 Roger Sayle <roger@eyesopen.com>
14449
14450 * simplify-rtx.c (simplify_relational_operation_1): Implement some
14451 canonicalization transformations that attempt to simplify integer
14452 constant comparisons to become comparisons against zero.
14453
14454 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14455
14456 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
14457 fabs(x)*sqrt(2).
14458 * fold-const.c (fold_binary): Fix comment typos. Fold complex
14459 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
14460
14461 2007-02-02 Mike Stump <mrs@apple.com>
14462
14463 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
14464 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
14465 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
14466 generate a branch island.
14467
14468 2007-02-02 Bob Wilson <bob.wilson@acm.org>
14469
14470 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
14471 (xtensa_legitimate_address_p): New.
14472 (xtensa_legitimize_address): New.
14473 (xtensa_output_addr_const_extra): New.
14474 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
14475 (BASE_REG_P): New.
14476 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
14477 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
14478 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
14479 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
14480 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
14481 (xtensa_legitimize_address): New.
14482 (xtensa_output_addr_const_extra): New.
14483
14484 2007-02-02 Steve Ellcey <sje@cup.hp.com>
14485
14486 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
14487
14488 2007-02-02 Ian Lance Taylor <iant@google.com>
14489
14490 * expmed.c (expand_divmod): Add comment.
14491
14492 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
14493
14494 * emit-rtl.c (renumber_insns): Remove.
14495 * flags.h: Remove the extern for flag_renumber_insns.
14496 * rtl.h: Remove the prototype for renumber_insns.
14497 * toplev.c (flag_renumber_insns): Remove.
14498
14499 2007-02-02 Hui-May Chang <hm.chang@apple.com>
14500
14501 Revert for x86 darwin:
14502 2005-06-19 Uros Bizjak <uros@kss-loka.si>
14503
14504 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
14505 code before the following patch under TARGET_MACHO.
14506 (ix86_function_value_regno_p): Likewise.
14507
14508 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14509
14510 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
14511 COMPLEX_EXPR.
14512
14513 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14514
14515 PR target/29682
14516 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
14517 general or fp registers. Add comments.
14518 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
14519
14520 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
14521
14522 * pointer-set.c (insert_aux): Only return insertion slot.
14523 (pointer_set_insert): Adjust.
14524 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
14525 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
14526 pointer_map_traverse): New.
14527 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
14528 pointer_map_create, pointer_map_destroy, pointer_map_insert,
14529 pointer_map_contains, pointer_map_traverse): Declare.
14530
14531 2007-02-02 Jakub Jelinek <jakub@redhat.com>
14532
14533 PR middle-end/30473
14534 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
14535 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
14536
14537 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14538
14539 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
14540
14541 (struct _dep): New type.
14542 (dep_t): New typedef.
14543 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
14544 (DEP_STATUS): New access macro. The macro with the same name was
14545 renamed to DEP_LINK_STATUS.
14546 (dep_init): Declare function
14547
14548 (struct _dep_link): New type.
14549 (dep_link_t): New typedef.
14550 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
14551 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
14552 (DEP_LINK_STATUS): New macro.
14553 (debug_dep_links): New debug function.
14554
14555 (struct _deps_list): New type.
14556 (deps_list_t): New typedef.
14557 (DEPS_LIST_FIRST): New access macro.
14558 (FOR_EACH_DEP_LINK): New cycle macro.
14559 (create_deps_list, free_deps_list, delete_deps_list): Declare
14560 functions.
14561 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
14562 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
14563 (copy_deps_list_change_con): Ditto.
14564
14565 (move_dep_link): Declare function.
14566
14567 (struct _dep_node): New type.
14568 (dep_node_t): New typedef.
14569 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
14570
14571 (struct haifa_insn_data.back_deps): New field to hold backward
14572 dependencies of the insn.
14573 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
14574 to deps_list_t.
14575 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
14576 Change its type to deps_list_t.
14577 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
14578 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
14579 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
14580
14581 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
14582
14583 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
14584
14585 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
14586 all callers.
14587 (dep_cost): Declare.
14588
14589 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
14590 (ds_to_dk, dk_to_ds): New functions.
14591
14592 (init_dep_1): New static function.
14593 (init_dep): New function.
14594 (copy_dep): New static function.
14595
14596 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
14597 functions.
14598 (detach_dep_link): New static function.
14599 (move_dep_link): New function.
14600
14601 (dep_links_consistent_p, dump_dep_links): New static functions.
14602 (debug_dep_links): New debugging function.
14603
14604 (deps_obstack, dl_obstack, dn_obstack): New static variables.
14605
14606 (alloc_deps_list, init_deps_list): New static functions.
14607 (create_deps_list): New function.
14608 (clear_deps_list): New static function.
14609 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
14610 (deps_list_consistent_p, dump_deps_list): New static functions.
14611 (debug_deps_list): New function.
14612 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
14613 functions.
14614 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
14615
14616 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
14617 use new scheduler dependencies lists.
14618 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
14619 (sched_analyze): Ditto. Initialize dependencies lists.
14620 (add_forw_dep, compute_forward_dependences): Update to use new
14621 scheduler dependencies lists.
14622
14623 (init_dependency_caches): Init deps_obstack.
14624 (free_dependency_caches): Free deps_obstack.
14625
14626 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
14627 new scheduler dependencies lists.
14628 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
14629 (add_back_forw_dep, delete_back_forw_dep): Ditto.
14630
14631 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
14632 Update to use new scheduler dependencies lists.
14633 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
14634 (debug_dependencies): Ditto.
14635 (schedule_region): Update comments.
14636
14637 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
14638 scheduler dependencies lists.
14639 (schedule_ebb): Update comments.
14640
14641 * rtl.def (DEPS_LIST): Remove.
14642
14643 * lists.c (unused_deps_list): Remove.
14644 (free_list): Update assertions.
14645
14646 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
14647 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14648
14649 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
14650 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14651
14652 * haifa-sched.c (comments): Update.
14653 (insn_cost1): Remove. Inline the code into insn_cost ().
14654 (insn_cost): Update to use new scheduler dependencies lists. Move
14655 processing of the dependency cost to dep_cost ().
14656 (dep_cost): New function. Use it instead of insn_cost () when
14657 evaluating cost of the dependency. Use compatible interface to
14658 interact with the target.
14659 (priority): Update to use new scheduler dependencies lists.
14660 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
14661 with greater number of insns that depend on the insn.
14662 (schedule_insn): Update to use new scheduler dependencies lists. Add
14663 code to free backward dependencies lists. Inline and optimize code
14664 from resolve_dep () - see PR28071.
14665 (ok_for_early_queue_removal): Update to use new scheduler dependencies
14666 lists. Update call to targetm.sched.is_costly_dependence hook.
14667
14668 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
14669 scheduler dependencies lists.
14670
14671 (resolve_dep): Remove. Move the logic to schedule_insn ().
14672 (init_h_i_d): Initialize dependencies lists.
14673
14674 (process_insn_depend_be_in_spec): Rename to
14675 process_insn_forw_deps_be_in_spec. Update to use new scheduler
14676 dependencies lists.
14677 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
14678 Update to use new scheduler dependencies lists.
14679 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
14680
14681 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
14682 new scheduler dependencies lists.
14683 (build_intra_loop_deps): Ditto.
14684
14685 * target.h (struct _dep): Declare to use in
14686 gcc_target.sched.is_costly_dependence.
14687 (struct gcc_target.sched.adjust_cost): Fix typo.
14688 (struct gcc_target.sched.is_costly_dependence): Change signature to use
14689 single dep_t parameter instead of an equivalent triad.
14690 (struct gcc_target.sched.adjust_cost_2): Remove.
14691
14692 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
14693
14694 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
14695
14696 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
14697 documentation.
14698 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
14699
14700 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
14701 (REG_DEP_TRUE): Document.
14702
14703 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
14704 Change signature to correspond to the targetm.sched.adjust_cost hook.
14705 Update use in TARGET_SCHED_ADJUST_COST_2.
14706 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
14707 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
14708 new scheduler dependencies lists.
14709 (ia64_gen_check): Ditto.
14710
14711 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
14712 dependencies lists.
14713
14714 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
14715 signature to correspond to the targetm.sched.is_costly_dependence hook.
14716 (is_costly_group): Update to use new scheduler dependencies lists.
14717
14718 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
14719 instead of INSN_COST () macro.
14720
14721 2007-02-01 Ian Lance Taylor <iant@google.com>
14722
14723 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
14724
14725 2007-02-01 Guy Martin <gmsoft@gentoo.org>
14726
14727 * pa.md (tp_load): Correct mfctl instruction syntax.
14728
14729 2007-02-01 Geoffrey Keating <geoffk@apple.com>
14730
14731 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
14732 altivec_padding_size calculation on AIX. Improve comment, add
14733 assert to verify that it's right.
14734
14735 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
14736 64-bit.
14737
14738 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
14739
14740 PR inline-asm/28686
14741 * global.c (global_alloc): Add mising initialization of
14742 ELIMINABLE_REGSET.
14743
14744 2007-02-01 Roger Sayle <roger@eyesopen.com>
14745
14746 * alias.c (init_alias_analysis): Correct whitespace.
14747 * bb-reorder.c (fix_edges_for_rarely_executed_code,
14748 partition_hot_cold_basic_blocks): Likewise.
14749 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
14750 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
14751 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
14752 fold_builtin_snprintf_chk, fold_builtin_printf,
14753 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
14754 do_mpfr_arg3, do_mpfr_sincos): Likewise.
14755 * cfgcleanup.c (cleanup_cfg): Likewise.
14756 * cfgexpand.c (tree_expand_cfg): Likewise.
14757 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
14758 * function.c (get_next_funcdef_no): Likewise.
14759 * gengtype.c (main): Likewise.
14760 * genmodes.c (main): Likewise.
14761 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
14762 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
14763 * ifcvt.c (noce_emit_move_insn): Likewise.
14764 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
14765 Likewise.
14766 * stor-layout.c (get_best_mode): Likewise.
14767 * tree-ssa-loop-niter.c (get_val_for): Likewise.
14768 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
14769 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
14770 perform_var_substitution, solve_graph): Likewise.
14771 * tree-vrp.c (vrp_finalize): Likewise.
14772
14773 2007-02-01 Ian Lance Taylor <iant@google.com>
14774
14775 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
14776 high part of a paradoxical subreg, return a constant zero.
14777
14778 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
14779
14780 * toplev.c (lang_dependent_init): Call init_set_costs.
14781 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
14782
14783 2007-02-01 Richard Guenther <rguenther@suse.de>
14784
14785 PR middle-end/30656
14786 * fold-const.c (fold_negate_expr): Allow negating a
14787 constant if overflow does not change.
14788
14789 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14790
14791 * doc/c-tree.texi (Expression trees): Improve markup.
14792 * doc/tm.texi (Register Classes, Addressing Modes)
14793 (Floating Point): Fix spacing after abbreviations. Fix some
14794 typos.
14795
14796 2007-02-01 Ben Elliston <bje@au.ibm.com>
14797
14798 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
14799 * doc/contrib.texi: Likewise.
14800 * doc/install.texi: Likewise.
14801
14802 2007-01-31 Richard Henderson <rth@redhat.com>
14803 Ian Lance Taylor <iant@google.com>
14804
14805 * lower-subreg.c: New file.
14806 * rtl.def (CONCATN): Define.
14807 * passes.c (init_optimization_passes): Add pass_lower_subreg and
14808 pass_lower_subreg2.
14809 * emit-rtl.c (update_reg_offset): New static function, broken out
14810 of gen_rtx_REG_offset.
14811 (gen_rtx_REG_offset): Call update_reg_offset.
14812 (gen_reg_rtx_offset): New function.
14813 * regclass.c: Revert patch of 2006-03-05, restoring
14814 reg_scan_update.
14815 (clear_reg_info_regno): New function.
14816 * dwarf2out.c (concatn_loc_descriptor): New static function.
14817 (loc_descriptor): Handle CONCATN.
14818 * common.opt (fsplit_wide_types): New option.
14819 * opts.c (decode_options): Set flag_split_wide_types when
14820 optimizing.
14821 * timevar.def (TV_LOWER_SUBREG): Define.
14822 * rtl.h (gen_reg_rtx_offset): Declare.
14823 (reg_scan_update): Declare.
14824 * regs.h (clear_reg_info_regno): Declare.
14825 * tree-pass.h (pass_lower_subreg): Declare.
14826 (pass_lower_subreg2): Declare.
14827 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
14828 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
14829 -fsplit-wide-types.
14830 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
14831 * Makefile.in (OBJS-common): Add lower-subreg.o.
14832 (lower-subreg.o): New target.
14833
14834 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14835
14836 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
14837
14838 2007-01-31 Anatoly Sokolov <aesok@post.ru>
14839
14840 PR target/19087
14841 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
14842
14843 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14844
14845 PR middle-end/29335
14846 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
14847
14848 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
14849
14850 * cfgloop.h: Include vec-prim.h.
14851 (enum li_flags): Remove LI_ONLY_OLD.
14852 (loop_iterator): Changed.
14853 (fel_next, fel_init): Iterate over loop tree.
14854 (FOR_EACH_LOOP_BREAK): New macro.
14855 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
14856 FOR_EACH_LOOP.
14857 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
14858 * modulo-sched.c (sms_schedule): Ditto.
14859 * tree-vectorizer.c (vectorize_loops): Ditto.
14860 * doc/loop.texi: Update information on loop numbering and behavior of
14861 FOR_EACH_LOOP wrto new loops.
14862 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14863 add_to_evolution_1): Test nestedness of loops instead of comparing
14864 their numbers.
14865 * tree-chrec.c (chrec_fold_plus_poly_poly,
14866 chrec_fold_multiply_poly_poly, chrec_evaluate,
14867 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
14868 reset_evolution_in_loop): Ditto.
14869 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
14870
14871 2007-01-31 Dirk Mueller <dmueller@suse.de>
14872
14873 * c-common.c (warn_about_parentheses): Separate warning about
14874 un-parenthized sequence of comparison operators from the one
14875 which is supposed to warn about x <= y <= z.
14876
14877 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
14878
14879 * optabs.h (enum optab_index): Add new OTI_isinf.
14880 (isinf_optab): Define corresponding macro.
14881 * optabs.c (init_optabs): Initialize isinf_optab.
14882 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
14883 patterns.
14884 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
14885 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
14886 using isinf_optab.
14887 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
14888 expand_builtin_interclass_mathfn.
14889 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
14890 * config/i386/i386.md (UNSPEC_FXAM): New constant.
14891 (fxam<mode>2_i387): New insn pattern.
14892 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
14893 built-in functions as x87 inline asm.
14894
14895 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14896
14897 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
14898
14899 2007-01-30 Eric Christopher <echristo@apple.com>
14900
14901 * config.gcc: Add geode.
14902
14903 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14904
14905 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
14906 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
14907 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
14908 value-prof.c: Fix comment typos.
14909
14910 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14911
14912 PR c++/24745
14913 * doc/invoke.texi (Wpointer-arith): Document warning.
14914
14915 2007-01-30 Janis Johnson <janis187@us.ibm.com>
14916
14917 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
14918 the list of discrepancies from the draft TR.
14919
14920 2007-01-30 Dirk Mueller <dmueller@suse.de>
14921
14922 PR c++/30601
14923 * doc/invoke.texi (-Wreturn-type): Update description to
14924 match new behavior.
14925
14926 2007-01-30 Richard Sandiford <richard@codesourcery.com>
14927
14928 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
14929
14930 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
14931
14932 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
14933 to handle optabs that operate on floating point input argument and
14934 output to integer output.
14935 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
14936 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
14937 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
14938 expand_builtin_interclass_mathfn ().
14939 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
14940 (ilogbsi2): Remove.
14941 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
14942 ilogbl built-in functions as x87 intrinsics.
14943
14944 2007-01-30 Richard Guenther <rguenther@suse.de>
14945
14946 PR middle-end/27657
14947 * dwarf2out.c (reference_to_unused): Query varpool if the
14948 variable was output.
14949
14950 2007-01-30 Richard Guenther <rguenther@suse.de>
14951
14952 PR middle-end/30313
14953 * passes.c (execute_one_pass): Reset in_gimple_form to not
14954 confuse non-unit-at-a-time mode.
14955
14956 2007-01-29 Roger Sayle <roger@eyesopen.com>
14957 Richard Guenther <rguenther@suse.de>
14958
14959 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
14960 avoid undefined behaviour on overflow. Use force_fit_type_double
14961 to construct the constant with the specified TREE_OVERFLOW.
14962
14963 2007-01-29 Janis Johnson <janis187@us.ibm.com>
14964
14965 * config/dfp-bit.c: Add parameterized support for fp exceptions.
14966 * config/dfp-bit.h: Ditto.
14967
14968 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14969
14970 * c-decl.c (pop_scope): Replace warnings with call to
14971 warn_for_unused_label.
14972 * c-common.h (warn_for_unused_label): Declare.
14973 * c-common.c (warn_for_unused_label): Define.
14974
14975 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14976
14977 * tree-optimize.c (update_inlined_to_pointers): Delete unused
14978 function.
14979
14980 2007-01-29 Janis Johnson <janis187@us.ibm.com>
14981
14982 * Makefile.in (USER_H): Remove decfloat.h.
14983 * ginclude/decfloat.h: Delete, moving contents to ...
14984 * ginclude/float.h: Add support for decimal floating point,
14985 guarded by __STDC_WANT_DEC_FP__.
14986
14987 2007-01-29 Mike Stump <mrs@apple.com>
14988
14989 * doc/gccint.texi (Top): Rename Loop Representation to Loop
14990 Analysis and Representation to resolve case insensitive conflict.
14991 * doc/loop.texi (Loop Analysis and Representation): Likewise.
14992
14993 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
14994
14995 * tree.h (struct tree_memory_tag): Add aliases member.
14996 (MTAG_ALIASES): New macro.
14997 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
14998 (add_may_alias): Remove pointer-set. Update for may_aliases being
14999 a bitmap.
15000 (mark_aliases_call_clobbered): Update for may_aliases being a
15001 bitmap.
15002 (compute_tag_properties): Ditto.
15003 (create_partition_for): Ditto.
15004 (compute_memory_partitions): Ditto.
15005 (dump_may_aliases_for): Ditto.
15006 (is_aliased_with): Ditto.
15007 (add_may_alias_for_new_tag): Ditto.
15008 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
15009 (compute_is_aliased): New function.
15010 (compute_may_aliases): Call compute_is_aliased).
15011 (init_alias_info): Initialize alias_bitmap_obstack.
15012 (union_alias_set_into): New function.
15013 (compute_flow_sensitive_aliasing): Use union_aliases_into.
15014 (have_common_aliases_p): Rewrite to take two bitmaps and use
15015 intersection.
15016 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
15017 Update for bitmaps.
15018 (finalize_ref_all_pointers): Update for add_may_alias changes.
15019 (new_type_alias): Ditto.
15020 * tree-flow-inline.h (may_aliases): Return a bitmap.
15021 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
15022 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
15023 may_aliases being a bitmap.
15024 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
15025 may_aliases now returns a bitmap.
15026 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
15027 being a bitmap.
15028 * tree-ssa-operands.c (add_virtual_operand): Update for
15029 may_aliases being a bitmap.
15030
15031 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
15032
15033 PR tree-optimization/30630
15034 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
15035 variable as changed.
15036
15037 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
15038
15039 PR c++/28266
15040 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
15041 expanded only once even if an error occurs.
15042
15043 2007-01-29 Ben Elliston <bje@au.ibm.com>
15044
15045 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
15046 (__gcov_average_profiler): Likewise.
15047 (__gcov_ior_profiler): Likewise.
15048 (__gcov_merge_ior): Likewise.
15049
15050 2007-01-28 Jan Hubicka <jh@suse.cz>
15051
15052 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
15053 * value-prof.c (stringop_block_profile): Likewise.
15054
15055 2007-01-28 Jan Hubicka <jh@suse.cz>
15056
15057 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
15058 variant handling histograms; add wrapper.
15059 (clear_storage_via_libcall): Export.
15060 (emit_block_move_hints): Break out from ...; add histograms.
15061 (emit_block_move): ... this one.
15062 (clear_storage_hints): Break out from ...; add histograms.
15063 (clear_storage): ... this one.
15064 (set_storage_via_memset): Handle histogram.
15065 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
15066 (clear_storage_hints, clear_storage_via_libcall): Declare.
15067 (set_storage_via_setmem): Update prototype.
15068 * doc/md.texi (movmem, setmem): Document new arguments.
15069
15070 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
15071 new histograms.
15072 (stringop_block_profile): New global function.
15073 (tree_stringops_values_to_profile): Profile block size and alignment.
15074 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
15075 HIST_TYPE_IOR.
15076 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
15077 (stringop_block_profile): Declare.
15078 * builtins.c: Include value-prof.h.
15079 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
15080 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
15081 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
15082 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
15083 * profile.c (instrument_values): Add new counters.
15084 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
15085 calls.
15086 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
15087 (tree_init_edge_profiler): Build new profilers.
15088 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
15089 (pass_tree_profile): Add dump.
15090 (tree_profile_hooks): Update.
15091 * Makefile.in (LIBGCOV): Add new constants.
15092 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
15093 __gcov_ior_profiler): New.
15094 * i386.md (movmem/setmem expanders): Add new optional arguments.
15095
15096 2007-01-28 David Edelsohn <edelsohn@gnu.org>
15097
15098 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
15099
15100 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15101
15102 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
15103 (tree_unswitch_single_loop): Pass eni_size_weights to
15104 tree_num_loop_insns.
15105 * tree-ssa-loop-manip.c: Include tree-inline.h.
15106 (can_unroll_loop_p): Pass eni_size_weights to
15107 tree_num_loop_insns.
15108 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
15109 Pass eni_size_weights to estimate_num_insns.
15110 * tree.h (init_inline_once): Export.
15111 * toplev.c (backend_init): Call init_inline_once.
15112 * cgraphunit.c (cgraph_process_new_functions,
15113 cgraph_analyze_function): Pass eni_inlining_weights to
15114 estimate_num_insns.
15115 * ipa-inline.c (compute_inline_parameters): Ditto.
15116 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
15117 to estimate_num_insns.
15118 (try_unroll_loop_completely): Pass eni_size_weights to
15119 tree_num_loop_insns.
15120 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
15121 ot estimate_num_insns.
15122 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
15123 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
15124 * tree-inline.c (eni_inlining_weights, eni_size_weights,
15125 eni_time_weights): New variables.
15126 (init_inline_once): Initialize them.
15127 (struct eni_data): Mew.
15128 (estimate_num_insns_1, estimate_num_insns): Use weights.
15129 * tree-inline.h (struct eni_weights_d): New.
15130 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
15131 (estimate_num_insns): Declaration changed.
15132 * cfgloop.h (tree_num_loop_insns): Declaration changed.
15133 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
15134 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
15135
15136 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15137
15138 * tree-data-ref.c (conflict_fn): Assert that the number of affine
15139 relations in the conflict function is valid.
15140
15141 2007-01-27 Ian Lance Taylor <iant@google.com>
15142
15143 * common.opt: Add fstrict-overflow.
15144 * opts.c (decode_options): Set flag_strict_overflow if -O2.
15145 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
15146 (TYPE_OVERFLOW_UNDEFINED): Define.
15147 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
15148 Replace all uses.
15149 * tree.h (TYPE_TRAP_SIGNED): Don't define.
15150 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
15151 (fold_negate_expr): Likewise.
15152 (make_range): Likewise.
15153 (extract_muldiv_1): Likewise.
15154 (maybe_canonicalize_comparison): Likewise.
15155 (fold_comparison): Likewise.
15156 (fold_binary): Likewise.
15157 (tree_expr_nonnegative_p): Likewise.
15158 (tree_expr_nonzero_p): Likewise.
15159 * tree-vrp.c (compare_values): Likewise.
15160 (extract_range_from_binary_expr): Likewise.
15161 (extract_range_from_unary_expr): Likewise.
15162 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
15163 Likewise.
15164 (nowrap_type_p): Likewise.
15165 * tree-scalar-evolution.c (simple_iv): Likewise.
15166 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
15167 (build_range_check): Likewise.
15168 (extract_muldiv_1): Likewise.
15169 (fold_comparison): Likewise.
15170 * tree-vrp.c (vrp_int_const_binop): Likewise.
15171 (extract_range_from_unary_expr): Likewise.
15172 * convert.c (convert_to_integer): Likewise.
15173 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
15174 (fold_comparison): Likewise.
15175 (fold_binary): Likewise.
15176 * optabs.c (optab_for_tree_code): Likewise.
15177 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
15178 * simplify-rtx.c (simplify_const_relational_operation): Check
15179 flag_strict_overflow and flag_trapv.
15180 (simplify_const_relational_operation): Likewise.
15181 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
15182 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
15183 -fstrict-overflow.
15184
15185 2007-01-27 Roger Sayle <roger@eyesopen.com>
15186
15187 * tree.c (tree_fold_gcd): Delete.
15188 * tree.h (tree_fold_gcd): Remove prototype.
15189 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
15190 test whether one constant integer is a multiple of another. Instead
15191 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
15192 * fold-const.c (multiple_of_p): We've determined both TOP and
15193 BOTTOM are integer constants so we can call int_const_binop directly
15194 instead of the more generic const_binop.
15195
15196 2007-01-27 Roger Sayle <roger@eyesopen.com>
15197
15198 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
15199 1*X check that the constant hasn't overflowed, to preserve the
15200 TREE_OVERFLOW bit.
15201 (round_up): Provide an efficient implementation when rouding-up an
15202 INTEGER_CST to a power-of-two.
15203
15204 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15205
15206 * doc/sourcebuild.texi: Add comma for clarity.
15207 * doc/extend.texi: Fix some typos.
15208 * doc/passes.texi: Likewise.
15209 * doc/cppinternals.texi: Likewise.
15210 * doc/c-tree.texi: Likewise.
15211 * doc/tree-ssa.texi: Likewise.
15212 * doc/install.texi: Likewise.
15213
15214 2007-01-27 Jan Hubicka <jh@suse.cz>
15215
15216 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
15217 (pass_sra): Do not require alias information.
15218 * passes.c (init_optimization_passes): Add SRA
15219
15220 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
15221
15222 * tracer.c (rest_of_handle_tracer): We already cleaned
15223 up the CFG in tracer() so don't do it here again.
15224 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
15225 cleanup_cfg here, either. And don't call renumber_insns.
15226
15227 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
15228 and BB_HEAD are in the insn stream here. Instead make sure
15229 that BB_INSN is valid on all insns. Also, do check here that
15230 there are no pending branch predictions...
15231 (rtl_verify_flow_info): ...instead of doing it here. Checks
15232 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
15233 here.
15234
15235 2007-01-26 Roger Sayle <roger@eyesopen.com>
15236
15237 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
15238 function to simplify/factorize operand order canonicalization.
15239 (ix86_fixup_binary_operands): Reorganize using the above function.
15240 (ix86_binary_operator_ok): Likewise.
15241
15242 2007-01-27 Jakub Jelinek <jakub@redhat.com>
15243
15244 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
15245 file scope from optimize_attrs.
15246 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
15247 up search.
15248 (optimize_attrs): Clear insn_code_values after freeing it.
15249
15250 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15251
15252 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
15253 a parts.base assignment.
15254
15255 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15256
15257 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
15258 (compute_subscript_distance, initialize_data_dependence_relation,
15259 finalize_ddr_dependent, analyze_ziv_subscript,
15260 analyze_siv_subscript_cst_affine,
15261 compute_overlap_steps_for_affine_univar,
15262 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
15263 analyze_siv_subscript, analyze_miv_subscript,
15264 analyze_overlapping_iterations, subscript_dependence_tester_1,
15265 compute_self_dependence, free_dependence_relation): Work
15266 with affine_fn instead of chrecs.
15267 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
15268 common_affine_function, affine_function_base,
15269 affine_function_constant_p, affine_fn_op, affine_fn_plus,
15270 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
15271 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
15272 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
15273 (all_chrecs_equal_p): Removed.
15274 * tree-data-ref.h (affine_fn, conflict_function): New types.
15275 (struct subscript): Change type of conflicting_iterations_in_a
15276 and conflicting_iterations_in_b.
15277
15278 2007-01-26 Steve Ellcey <sje@cup.hp.com>
15279
15280 PR other/30182
15281 * config/pa/pa.h (TARGET_HPUX_11): New.
15282 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
15283 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
15284
15285 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
15286 Richard Guenther <rguenther@suse.de>
15287
15288 * tree-ssa-structalias.c (solve_graph): Handle case
15289 we merged the variable to another.
15290
15291 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15292
15293 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
15294 functions.
15295
15296 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
15297 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
15298
15299 2007-01-25 DJ Delorie <dj@redhat.com>
15300
15301 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
15302 allow changes to modes which don't fit in those registers.
15303
15304 * reload1.c (choose_reload_regs): Check for invalid subregs before
15305 computing their locations, not after.
15306
15307 2007-01-25 Geoffrey Keating <geoffk@apple.com>
15308
15309 PR 25127
15310 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
15311 save Altivec registers in an eh_return function.
15312 (compute_vrsave_mask): Likewise.
15313 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
15314 for saving Altivec registers.
15315 (rs6000_emit_prologue): Don't allocate stack twice in
15316 eh_return function. Correct expected value of altivec_save_offset
15317 when using save_world. Describe save of R0 to stack when using
15318 save_world. Describe stack pointer adjustment when using
15319 save_world. Remove duplicated eh_return parameter register saving.
15320 Update sp_offset variable after save_world.
15321 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
15322 darwin-world.asm.
15323 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
15324 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
15325 implies Altivec.
15326
15327 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15328
15329 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
15330
15331 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15332
15333 PR other/30182
15334 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
15335 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
15336
15337 2007-01-25 Richard Guenther <rguenther@suse.de>
15338
15339 * doc/invoke.texi (-Wcoverage-mismatch): Document.
15340 * common.opt (-Wcoverage-mismatch): New warning option.
15341 * coverage.c (get_coverage_counts): Ignore coverage mismatch
15342 if -Wcoverage-mismatch is given.
15343
15344 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
15345
15346 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
15347 (ipcp_driver): Change to static definition.
15348 Add dumping of the ifunctions.
15349 (constant_val_insert): Remove unused parameter. Support for SSA.
15350 (ipcp_propagate_const): Support for SSA.
15351 (ipcp_profile_bb_print): Print only analyzed nodes.
15352 (ipcp_replace_map_create): Remove support for Fortran constant
15353 for now.
15354 * ipa-prop.c (ipa_method_modify_stmt,
15355 ipa_callsite_compute_param): Support for SSA.
15356 * ipa-prop.h (ipcp_driver): Remove declaration.
15357 (IS_VALID_TREE_MAP_INDEX): Add define.
15358
15359 2007-01-24 Geoffrey Keating <geoffk@apple.com>
15360
15361 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
15362
15363 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15364
15365 PR middle-end/30447
15366 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
15367 constant argument to cabs and do it without checking for
15368 -funsafe-math-optimizations.
15369
15370 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
15371
15372 * c-common.h (RID_FIRST_CXX0X): New.
15373 (RID_LAST_CXX0X): New.
15374 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
15375 by -Wall.
15376 * c.opt (Wc++0x-compat): New.
15377 * doc/invoke.texi (-Wc++0x-compat): Document.
15378
15379 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15380
15381 * builtins.c (fold_builtin_carg): New.
15382 (fold_builtin_1): Use it.
15383
15384 2007-01-24 Jan Hubicka <jh@suse.cz>
15385
15386 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
15387
15388 * ipa-inline.c (initial_insns, max_insns): Delete.
15389 (compute_max_insns): New function.
15390 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
15391 of insns as base for code growth.
15392 (cgraph_decide_inlining): Make initial_insns local; do not compute
15393 max_insns.
15394 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
15395 * doc/invoke.texi (inline-unit-growth): Update docs.
15396
15397 2007-01-24 Jakub Jelinek <jakub@redhat.com>
15398
15399 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
15400 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
15401 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
15402 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
15403 for CPUs that have PTA_CX16 set.
15404
15405 PR middle-end/27416
15406 * gimplify.c (omp_check_private): New function.
15407 (gimplify_scan_omp_clauses): Use it for
15408 firstprivate/lastprivate/reduction.
15409
15410 PR middle-end/30494
15411 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
15412 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
15413
15414 PR middle-end/30421
15415 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
15416 If lower_lastprivate_clauses emits some statements, append them
15417 to dlist rather than body_p and to body_p append an initializer.
15418 (lower_omp_for): Adjust caller.
15419
15420 2007-01-24 Steve Ellcey <sje@cup.hp.com>
15421
15422 * target.h (globalize_decl_name): New.
15423 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15424 * output.h (default_globalize_decl_name): New.
15425 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
15426 globalize_label.
15427 (globalize_decl): Ditto.
15428 (default_globalize_decl_name): New.
15429 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
15430 (ia64_handle_version_id_attribute): New.
15431 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15432 (ia64_asm_output_external): Use globalize_decl_name instead
15433 of globalize_label.
15434 * doc/extend.texi (version_id): New pragma.
15435 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
15436
15437 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15438
15439 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
15440 _uleb128_t and _Unwind_SWord with _sleb128_t.
15441 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
15442 uw_frame_state_for, uw_update_context_1): Likewise.
15443 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
15444 * unwind-pe.h (read_uleb128, read_sleb128,
15445 read_encoded_value_with_base): Likewise.
15446 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
15447
15448 2007-01-24 Richard Guenther <rguenther@suse.de>
15449
15450 * builtins.c (expand_builtin_cexpi): Get the fndecl
15451 for cexp in the correct way.
15452
15453 2007-01-24 Jan Hubicka <jh@suse.cz>
15454
15455 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
15456
15457 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15458
15459 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
15460 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
15461 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
15462 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
15463 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
15464 __SIZEOF_PTRDIFF_T__.
15465 * doc/cpp.texi: Documentation for the new builtin macros added.
15466
15467 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
15468
15469 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
15470 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
15471 instead of operands[2] to avoid access past the end of array.
15472
15473 2007-01-24 Richard Sandiford <richard@codesourcery.com>
15474
15475 * reload1.c (emit_reload_insns): Pass the reload register
15476 for a non-spill output reload through forget_old_reloads_1.
15477
15478 2007-01-23 Joseph Myers <joseph@codesourcery.com>
15479
15480 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
15481 _SOFT_DOUBLE if doubles use software floating-point.
15482 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
15483 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15484 * config/rs6000/darwin-ldouble.c: Also compile functions for
15485 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
15486 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15487 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
15488 commented-out long double override.
15489 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
15490 * config/rs6000/eabispe.h: Likewise.
15491 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
15492 long double for non-SPE.
15493 (rs6000_handle_option): Likewise.
15494 (invalid_e500_subreg): Disallow more subregs involding DImode,
15495 DFmode, TImode or TFmode.
15496 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
15497 E500 double.
15498 (legitimate_lo_sum_address_p): Also check for TFmode for E500
15499 double.
15500 (rs6000_legitimize_address): Also handle TFmode for E500 double.
15501 (rs6000_legitimize_reload_address): Also handle TFmode for E500
15502 double.
15503 (rs6000_legitimate_address): Also check for TFmode for E500
15504 double.
15505 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
15506 (spe_build_register_parallel): Handle TFmode and TCmode.
15507 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
15508 double.
15509 (function_arg): Handle TFmode and TCmode for E500 double.
15510 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
15511 in general.
15512 (print_operand): Handle TFmode and TImode for %y.
15513 (rs6000_generate_compare): Handle TFmode comparisons for E500
15514 double.
15515 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
15516 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
15517 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
15518 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
15519 TFmode for E500 double.
15520 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
15521 (floatsidf2): Enable for E500 double.
15522 (movtf_softfloat): Use rs6000_nonimmediate_operand.
15523 (extenddftf2): Change to extenddftf2_fprs.
15524 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
15525 depending on TARGET_E500_DOUBLE.
15526 (extendsftf2): Enable for E500 double.
15527 (trunctfdf2): Enable for E500 double.
15528 (trunctfsf2): Change to trunctfsf2_fprs.
15529 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
15530 depending on TARGET_E500_DOUBLE.
15531 (floatsitf2): Enable for E500 double.
15532 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
15533 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
15534 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
15535 (negtf2): Change to negtf2_internal.
15536 (negtf2): New expander.
15537 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
15538 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
15539 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
15540 (movdi_internal32): Use rs6000_nonimmediate_operand.
15541 (unnamed splitter): Likewise.
15542 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
15543 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
15544 (SPE64TF, DITI): New mode macros.
15545 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
15546 modes.
15547 (frob_tf_ti): New.
15548 (frob_<mode>_di_2): New.
15549 (frob_tf_di_8_2): New.
15550 (frob_di_df): Change to frob_di_<mode>; allow more modes.
15551 (frob_ti_tf): New.
15552 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
15553 more modes.
15554 (frob_ti_<mode>_8_2): New.
15555 (frob_ti_tf_2): New.
15556 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
15557 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
15558 TFmode.
15559 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
15560 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
15561 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
15562 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
15563 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
15564 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
15565 tsttflt_gp): New.
15566
15567 2007-01-23 Ian Lance Taylor <iant@google.com>
15568
15569 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
15570 insn-*.o first.
15571 (OBJS-archive): Reformat, alphabetize.
15572 (OBJS): Change out_object_file to OBJS-md.
15573
15574 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
15575
15576 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
15577 JUMP_P and CALL_P predicates where applicable.
15578 * config/i386/i386.c: Ditto.
15579 * config/i386/i386.md: Ditto.
15580 * config/i386/mmx.md: Ditto.
15581 * config/i386/predicates.md: Ditto.
15582
15583 2007-01-22 Andreas Schwab <schwab@suse.de>
15584
15585 * config/m68k/m68k.h: Fix comment.
15586
15587 2007-01-22 Jan Hubicka <jh@suse.cz>
15588
15589 * passes.c (init_optimization_passes): Do not rerun
15590 pass_early_warn_uninitialized.
15591
15592 2007-01-22 Richard Guenther <rguenther@suse.de>
15593
15594 PR tree-optimization/30038
15595 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
15596 function.
15597 (execute_cse_sincos_1): Likewise.
15598 (execute_cse_sincos): Likewise.
15599 (gate_cse_sincos): Likewise.
15600 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
15601 the cexpi() canonicalization of sincos().
15602 * tree-pass.h (pass_cse_sincos): Declare.
15603 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
15604
15605 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15606
15607 PR rtl-optimization/29329
15608 * combine.c (replaced_rhs_insn): Rename to i2mod.
15609 (replaced_rhs_value): Rename to i2mod_new_rhs.
15610 (i2mod_old_rhs): New global variable.
15611 (combine_instructions): Adjust for above change. Save a copy of
15612 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
15613 note are substituted in the second instruction.
15614 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
15615 ditch the note if it pertains to the second eliminated register
15616 and this register is mentioned in i2mod_old_rhs.
15617
15618 Revert:
15619 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
15620
15621 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
15622 the insn to which the note was originally attached.
15623
15624 2007-01-21 Jan Hubicka <jh@suse.cz>
15625
15626 * ipa-inline.c (inlining_mode): Comment, move up.
15627 (cgraph_decide_inlining_incrementally): Do not perform inlining
15628 itself; fix handling of flattening of self recursive functions.
15629 (cgraph_find_cycles): Remove.
15630 (cgraph_flatten_node): Remove.
15631 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
15632 (try_inline): New function.
15633 (cgraph_early_inlining): Update call of
15634 cgraph_decide_inlining_incrementally. Apply inlining here.
15635 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
15636
15637 2007-01-21 Dirk Mueller <dmueller@suse.de>
15638
15639 PR bootstrap/30511
15640 * tree-vrp.c (check_array_bounds): do not warn
15641 about ADDR_EXPR's of ARRAY_REF's which are immediately
15642 used in binary expressions.
15643
15644 2007-01-21 Ira Rosen <irar@il.ibm.com>
15645
15646 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
15647 read_write_dep and macros for its access.
15648 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
15649 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
15650 argument, call vect_check_interleaving for every independent pair of
15651 data-refs. Mark loads that access the same memory location as a store
15652 in the loop.
15653 (vect_check_dependences): Remove.
15654 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
15655 call, fix the call to vect_analyze_data_ref_dependence.
15656 (vect_analyze_data_ref_access): For statements that access the same
15657 data-ref, check that they are not stores; for loads, check that there
15658 is no store that access the same location.
15659
15660 2007-01-20 Roger Sayle <roger@eyesopen.com>
15661 Joseph Myers <joseph@codesourcery.com>
15662
15663 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
15664 (-fdump-rtl-stack): Likewise.
15665 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
15666 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
15667 (-mpt-fixed): Use @minus{} for minus sign.
15668 (Using Precompiled Headers): Fix under/overfull hbox.
15669
15670 2007-01-20 Jan Hubicka <jh@suse.cz>
15671
15672 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
15673 place within annotation.
15674
15675 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15676
15677 * pa.c (output_move_double): Change array size of xoperands to 4.
15678
15679 2007-01-20 Jan Hubicka <jh@suse.cz>
15680
15681 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
15682 as temporary.
15683
15684 2007-01-19 Ian Lance Taylor <iant@google.com>
15685
15686 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
15687 constant to unsigned HOST_WIDE_INT before negating.
15688
15689 2007-01-19 Ian Lance Taylor <iant@google.com>
15690
15691 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
15692 to unsigned.
15693 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
15694 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15695 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
15696 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
15697 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15698 (realloc_vdef, realloc_vuse): Change second parameter to
15699 unsigned.
15700 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
15701 fields to unsigned.
15702 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
15703 unsigned. Change x and lim locals to unsigned.
15704 (realloc_vdef, realloc_vuse): Change num_elem parameter to
15705 unsigned.
15706 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
15707 (copy_virtual_operands): Change i and n locals to unsigned.
15708
15709 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15710
15711 PR middle-end/29335
15712 * builtins.c (fold_builtin_1): Handle builtin fdim.
15713
15714 2007-01-20 Jan Hubicka <jh@suse.cz>
15715
15716 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
15717 * tree-ssa-structalias.c (compute_points_to_sets): Do call
15718 init_alias_heapvars.
15719 (init_alias_heapvars): Initialize only when not already initialized.
15720 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
15721
15722 2007-01-19 Roger Sayle <roger@eyesopen.com>
15723
15724 * common.opt (fsigned-zeros): New command line option.
15725 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
15726 of flag_unsafe_math_optimizations.
15727 * opts.c (set_fast_math_flags): The -ffast-math command line option
15728 implies -fno-signed-zeros.
15729 (fast_math_flags_set_p): Likewise.
15730
15731 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
15732 the documentation of -ffast-math appropriately. Wrap long lines.
15733
15734 2007-01-19 Steve Ellcey <sje@cup.hp.com>
15735
15736 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
15737 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
15738
15739 2007-01-19 Tomas Bily <tbily@suse.cz>
15740
15741 * cgraphunit.c (cgraph_finalize_function): Updating of pid
15742 * tree-profile.c:
15743 (tree_init_ic_make_global_vars): New function
15744 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
15745 (tree_gen_ic_profiler): New function
15746 (tree_gen_ic_func_profiler): New function
15747 (tree_profiling): Added calling of tree_gen_ic_func_profiler
15748 (tree_profile_hooks): Added hook for indirec/virtual calls
15749 * value-prof.c (tree_find_values_to_profile): New case for
15750 indirect calls
15751 (tree_values_to_profile): Call for determining indirect/virtual
15752 counters
15753 (tree_indirect_call_to_profile): New function
15754 (tree_ic_transform): New function
15755 (tree_ic): New function
15756 (find_func_by_pid): New function
15757 (init_pid_map): New function
15758 (tree_value_profile_transformations): Added check for
15759 indirect/virtual call transformation
15760 * value-prof.h (enum hist_type): New counter type for
15761 indirect/virtual calls
15762 (profile_hooks): Added new hook for profiling indirect/virtual
15763 calls
15764 * profile.c (instrument_values): New case for indirect/virtual
15765 call added
15766 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
15767 (GCOV_COUNTER_V_INDIR): New counter type
15768 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
15769 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
15770 call added
15771 * cgraph.c: Definition of cgraph_max_pid
15772 (cgraph_create_node): Default init of pid attribute
15773 * cgraph.h: Declaration of cgraph_max_pid
15774 (struct cgraph_node): Added pid attribute
15775 * libgcov.c (__gcov_indirect_call_profiler): New function
15776 (__gcov_one_value_profiler_body): New function
15777 (__gcov_one_value_profiler): Body was moved to
15778 __gcov_one_value_profiler_body and calls it
15779
15780 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
15781
15782 * doc/gty.texi (Options): Document the mark_hook option to GTY.
15783 * gengtype.c (write_types_data, write_func_for_structure,
15784 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
15785 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
15786 (walk_type, write_func_for_structure): Generate the mark_hook if
15787 needed.
15788
15789 2007-01-19 Jan Hubicka <jh@suse.cz>
15790
15791 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
15792 'early' argument take inlining mode argument specifying whether to
15793 inline for size/speeed or all functions; add support for flattening;
15794 improve dumpting.
15795 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
15796
15797 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15798
15799 PR c++/17947
15800 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
15801 the name of the declared identifier.
15802
15803 2007-01-19 Dirk Mueller <dmueller@suse.de>
15804
15805 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
15806 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
15807 duplicate evaluation.
15808
15809 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
15810
15811 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
15812 Macroize expander using X87MODEF12 mode macro. Extend operand 1
15813 to XFMode, use acosxf2 and truncate result to requested mode.
15814 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
15815 (asin<mode>2): Similarly, with asin expanders.
15816 (*fscalexf4_i387): Rename from *fscalexf4.
15817 (expNcorexf3): New expander.
15818 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
15819 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
15820 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
15821 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
15822 patterns for SSE math.
15823 (exp10<mode>2): Similarly, with exp10 expanders.
15824 (exp2<mode>2): Similarly, with exp2 expanders.
15825 (expm1<mode>2): Similarly, with expm1 expanders.
15826 (ldexp<mode>3): Similarly, with ldexp expanders.
15827 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
15828 Use gen_truncxf<mode>2_i387_noop to truncate result.
15829
15830 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15831
15832 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
15833 for ColdFire targets.
15834
15835 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
15836 Richard Sandiford <richard@codesourcery.com>
15837
15838 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
15839 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
15840 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
15841 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
15842 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15843 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15844
15845 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15846
15847 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
15848 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
15849 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
15850 (*adddi_dilshr32_cf): New pattern.
15851 (adddi3, subdi3): Remove first alternatives.
15852
15853 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15854
15855 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
15856 implemented using move.l, do not use its cc result for floating-point
15857 comparisons.
15858
15859 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15860
15861 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
15862 from accepting 's' constraints if flag_pic.
15863
15864 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15865
15866 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
15867 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
15868 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
15869 condition from TARGET_68881 to TARGET_HARD_FLOAT.
15870
15871 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
15872
15873 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
15874 ColdFire alternatives.
15875 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
15876 * config/m68k/m68k.md (clzsi2): Define for ColdFire
15877 architectures that support ff1 instruction.
15878
15879 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15880 Julian Brown <julian@codesourcery.com>
15881
15882 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
15883 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
15884 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
15885 Add commentary.
15886
15887 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15888
15889 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
15890 and return a bool.
15891 (output_move_const_into_data_reg, output_move_simode_const): Delete.
15892 * config/m68k/m68k.c (const_method, const_int_cost): Take a
15893 HOST_WIDE_INT instead of an rtx.
15894 (m68k_rtx_costs): Update call accordingly.
15895 (output_move_const_into_data_reg): Likewise. Fix formatting.
15896 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
15897 Return a bool.
15898 (output_move_simode_const): Update calls after above changes.
15899 Rework to use automatic variables and predicates like MEM_P.
15900 * config/m68k/m68k.md (pushexthisi_const): Update call to
15901 valid_mov3q_const.
15902
15903 2007-01-19 Dirk Mueller <dmueller@suse.de>
15904
15905 * tree-ssa-alias.c (perform_var_substitution): Fix typo
15906 in dump_flags test.
15907
15908 2007-01-19 Richard Guenther <rguenther@suse.de>
15909
15910 * builtins.c (expand_builtin_cexpi): Fall back to expanding
15911 via cexp in case sincos is not available.
15912
15913 2007-01-19 Richard Guenther <rguenther@suse.de>
15914
15915 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
15916 * defaults.h (TARGET_HAS_SINCOS): Default to off.
15917 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
15918 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
15919 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
15920 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
15921 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
15922 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
15923
15924 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
15925
15926 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
15927 New insn patterns.
15928 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
15929 (atan2xf3): Directly generate RTL pattern.
15930 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
15931 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
15932 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
15933 disable patterns for SSE math.
15934 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
15935 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
15936 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
15937 disable patterns for SSE math.
15938
15939 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
15940
15941 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
15942
15943 2007-01-18 Roger Sayle <roger@eyesopen.com>
15944
15945 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
15946 VIEW_CONVERT_EXPR to the same type as it's operand.
15947
15948 2007-01-18 David Edelsohn <edelsohn@gnu.org>
15949
15950 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
15951 configured for long double 128.
15952
15953 2007-01-18 Mike Stump <mrs@apple.com>
15954
15955 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
15956 error.
15957
15958 2007-01-18 Michael Meissner <michael.meissner@amd.com>
15959
15960 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
15961 type correct.
15962
15963 2007-01-18 Jan Hubicka <jh@suse.cz>
15964
15965 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
15966 greater than NUM_VOP_FREE_BUCKETS.
15967
15968 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
15969
15970 * tree-ssa-structalias.c: Update comments.
15971 (ptabitmap_obstack): Removed.
15972 (pta_obstack): New.
15973 (oldpta_obstack): Ditto.
15974 (stats): Add a few members.
15975 (struct variable_info): Remove node, complex, address_taken, and
15976 indirect_target members. Add oldsolution member.
15977 (new_var_info): Do not initialize removed members.
15978 (constraint_expr_type): Remove INCLUDES.
15979 (constraint_graph): Add size, implicit_preds, rep,
15980 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
15981 (FIRST_REF_NODE): New macro.
15982 (LAST_REF_NODE): Ditto.
15983 (FIRST_ADDR_NODE): Ditto.
15984 (find): New function.
15985 (unite): Ditto.
15986 (dump_constraint): Do not handle INCLUDES.
15987 (insert_into_complex): Do not insert duplicate constraints.
15988 (condense_varmap_nodes): Renamed and rewritten into ...
15989 (merge_node_constraints): This. Also fix bug in handling of
15990 offseted copy constraints.
15991 (clear_edges_for_node): No longer need to deal with preds at all,
15992 or removing associated preds/succs.
15993 (merge_graph_nodes): Deal with indirect_cycles.
15994 Don't deal with predecessors.
15995 (add_implicit_graph_edge): New function.
15996 (add_pred_graph_edge): Ditto.
15997 (add_graph_edge): Don't deal with predecessors.
15998 (build_constraint_graph): Removed.
15999 (build_pred_graph): New function.
16000 (build_succ_graph): Ditto.
16001 (struct scc_info): Removed in_component. Added roots, dfs, and
16002 node_mapping. Remove visited_index, unification_queue.
16003 (scc_visit): Deal with union-find we do now.
16004 Deal with cycles with REF nodes.
16005 (collapse_nodes): Renamed and rewritten to ...
16006 (unify_nodes): This.
16007 (process_unification_queue): Removed.
16008 (topo_visit): Cleanup
16009 (do_da_constraint): Use find.
16010 (do_sd_constraint): Ditto.
16011 (do_ds_constraint): Ditto.
16012 (do_complex_constraint): Ditto.
16013 (init_scc_info): Update for removed and added members.
16014 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
16015 (find_indirect_cycles): This.
16016 (equivalence_class): New variable.
16017 (label_visit): New function.
16018 (perform_variable_substitution): Rewritten.
16019 (free_var_substitution_info): New function.
16020 (find_equivalent_node): Ditto.
16021 (move_complex_constraints): Ditto.
16022 (eliminate_indirect_cycles): Ditto.
16023 (solve_graph): Only propagate changed bits.
16024 Use indirect cycle elimination.
16025 Use find.
16026 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
16027 (tree_id_eq): Renamed to ...
16028 (tree_vi_eq): This. Update for member change
16029 (insert_id_for_tree): Renamed and rewritten to ...
16030 (insert_vi_for_tree): This.
16031 (lookup_id_for_tree): Renamed and rewritten to ...
16032 (lookup_vi_for_tree): This.
16033 (get_id_for_tree): Renamed and rewritten to ...
16034 (get_vi_for_tree): Ditto.
16035 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
16036 (process_constraint): Don't handle INCLUDES.
16037 Remove special ADDRESSOF case.
16038 (find_func_aliases): Rewrite to use vi functions instead of id
16039 ones.
16040 (create_function_info_for): Ditto.
16041 (create_variable_info_for): Ditto.
16042 (intra_create_variable_infos): Ditto.
16043 (merge_smts_into): Ditto.
16044 (find_what_p_points_to): Ditto.
16045 (init_base_vars): Ditto.
16046 (init_alias_vars): Ditto.
16047 (remove_preds_and_fake_succs): New function.
16048 (dump_sa_points_to_info): Dump new stats.
16049 (dump_solution_for_var): Use find.
16050 (set_used_smts): Fix formatting.
16051 (compute_points_to_sets): Updated for new functions.
16052 (ipa_pta_execute): Ditto.
16053
16054 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16055 Richard Sandiford <richard@codesourcery.com>
16056
16057 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
16058 parallels.
16059 * calls.c (expand_call): If the return value is a PARALLEL,
16060 extract its first member.
16061 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
16062 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16063 use FUNCTION_EXTRA_EPILOGUE.
16064 (m68k_function_value): Return a PARALLEL if the return value
16065 is of a pointer type.
16066 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
16067 (FUNCTION_EXTRA_EPILOGUE): Remove.
16068 * config/m68k/m68k.md (D0_REG): New constant.
16069
16070 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16071
16072 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16073 output a NOP for empty epilogues.
16074
16075 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16076
16077 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
16078 before function. Extend register save check to include all
16079 registers, not just integer ones.
16080
16081 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16082
16083 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
16084 (m68k_use_return_insn): ...this.
16085 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
16086 * config/m68k/m68k.c (use_return_insn): Rename to...
16087 (m68k_use_return_insn): ...this.
16088 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
16089 of USE_RETURN_INSN.
16090
16091 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16092
16093 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
16094 nearest even, fix denormal rounding overflow.
16095
16096 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16097
16098 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
16099 f%$smove and f%$move.
16100 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
16101 (extendsfdf2_cf): Use fdmove instead of f%&move.
16102 (truncdfsf2_cf): Use fsmove instead of f%$smove.
16103 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
16104
16105 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16106
16107 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
16108 GPR<-GPR moves.
16109
16110 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16111
16112 * real.h (real_format): Add a canonical_nan_lsbs_set field.
16113 (coldfire_single_format): Declare.
16114 (coldfire_double_format): Likewise.
16115 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
16116 of qnan_msb_set to determine the lower bits of a canonical
16117 NaN significand.
16118 (encode_ieee_double): Likewise.
16119 (encode_ieee_quad): Likewise.
16120 (ieee_single_format): Initialize canonical_nan_lsbs_set.
16121 (mips_single_format): Likewise.
16122 (ieee_double_format): Likewise.
16123 (mips_double_format): Likewise.
16124 (ieee_extended_motorola_format): Likewise.
16125 (ieee_extended_intel_96_format): Likewise.
16126 (ieee_extended_intel_128_format): Likewise.
16127 (ieee_extended_intel_96_round_53_format): Likewise.
16128 (ibm_extended_format): Likewise.
16129 (mips_extended_format): Likewise.
16130 (ieee_quad_format): Likewise.
16131 (mips_quad_format): Likewise.
16132 (vax_f_format): Likewise.
16133 (vax_d_format): Likewise.
16134 (vax_g_format): Likewise.
16135 (i370_single_format): Likewise.
16136 (i370_double_format): Likewise.
16137 (decimal_single_format): Likewise.
16138 (decimal_double_format): Likewise.
16139 (decimal_quad_format): Likewise.
16140 (c4x_single_format): Likewise.
16141 (c4x_extended_format): Likewise.
16142 (real_internal_format): Likewise.
16143 (coldfire_single_format): New real_format.
16144 (coldfire_double_format): Likewise.
16145 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
16146 canonical_nan_lsbs_set.
16147 (pdp11_d_format): Likewise.
16148 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
16149 if TARGET_COLDFIRE_CPU.
16150
16151 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16152
16153 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
16154 (output_call, m68k_legitimize_call_address): Declare.
16155 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
16156 parenthesees. Add support for a 'W' constraint.
16157 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
16158 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
16159 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
16160 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
16161 variables.
16162 (override_options): Initialize them. Do not set flag_no_function_cse
16163 for TARGET_ID_SHARED_LIBRARY.
16164 (m68k_output_pic_call): Delete.
16165 (m68k_legitimize_call_address): New function.
16166 (print_operand): Remove the %o prefix. Handle the %p prefix.
16167 (output_call): New function.
16168 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
16169 target address from the GOT if symbolic jumps are not allowed.
16170 * config/m68k/m68k.md (call, general_operand): Do not set
16171 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
16172 Merge separate flag_pic and !flag_pic define_insns into...
16173 (*call, *call_value): ...these new patterns. Match the address
16174 rather than the containing MEM and require it to be a call_operand.
16175 Use output_call to generate the asm template.
16176 * config/m68k/predicates.md (const_call_operand): New predicate.
16177 (call_operand): Likewise.
16178
16179 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16180
16181 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
16182 (STACK_GROWS_DOWNWARD): Define to 1.
16183 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
16184 comments, emphasizing that these values are only defaults.
16185 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
16186 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
16187
16188 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16189
16190 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
16191
16192 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16193 Richard Sandiford <richard@codesourcery.com>
16194
16195 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
16196 (FP_REGNO_P): New macros.
16197 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
16198 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
16199 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
16200 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
16201
16202 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16203
16204 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16205 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
16206 to $tmake_file.
16207 * config/m68k/t-floatlib: New file, extracting common code from...
16208 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
16209 * config/m68k/t-uclinux: Here.
16210 * config/m68k/fpgnulib.c: Do not compile extendeed precision
16211 routines on ColdFire targets.
16212
16213 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16214
16215 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16216 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
16217 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
16218 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
16219 explicitly set MOTOROLA to 1.
16220 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
16221
16222 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16223 Nathan Sidwell <nathan@codesourcery.com>
16224
16225 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
16226 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
16227 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
16228 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
16229 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
16230 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
16231 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
16232 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
16233 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
16234 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16235 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
16236 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
16237 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
16238 (DBX_REGISTER_NUMBER): Delete.
16239 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
16240 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16241 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
16242
16243 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16244
16245 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
16246 * config/flat.h: New file.
16247 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
16248 OBJECT_FORMAT_FLAT.
16249 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
16250 indirect references for -msep-data or -mid-shared-library.
16251 Do not use PC-relative code addresses either.
16252 * config/m68k/m68k.c (override_options): Restrict -fPIC error
16253 to -mpcrel.
16254 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
16255 for shared libraries and crt1.o for executables. Use crti.o and
16256 crtbegin.o.
16257 (ENDFILE_SPEC): Use crtend.o and crtn.o.
16258 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
16259 Do not add -elf2flt or -shared-lib-id options here.
16260 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
16261 Pass -shared-lib-id if -mid-shared-library, taking the library
16262 identifier from -mshared-library-id if given, otherwise
16263 defaulting to 0.
16264 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
16265 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
16266 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
16267 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
16268 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
16269 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
16270 and crtend.o.
16271 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
16272 jump sequence for ISA A and ISA A+.
16273 (PICJUMP): Likewise.
16274
16275 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16276
16277 * config.gcc (m68k-*-uclinux*): Base the port on the common
16278 and m68k GNU/Linux files rather than on the generic ELF ones.
16279 * config/m68k/uclinux.h (TARGET_VERSION): Override.
16280 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
16281
16282 2007-01-18 Julian Brown <julian@codesourcery.com>
16283 Richard Sandiford <richard@codesourcery.com>
16284
16285 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
16286 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16287 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
16288 before redefining.
16289 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
16290 80 unconditionally.
16291 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16292
16293 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16294
16295 * doc/install.texi: Document m68k-uclinuxoldabi.
16296 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
16297 * config/m68k/uclinux-oldabi.h: New file, copied from
16298 config/m68k/uclinux.h.
16299
16300 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
16301
16302 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
16303 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
16304 (m32r_compute_frame_size): Use unsigned for regno.
16305 (m32r_reload_lr): Use gen_frame_mem.
16306 (pop): New.
16307 (m32r_output_function_epilogue): Don't output the function epilogue
16308 textually here.
16309 (m32r_expand_epilogue): New.
16310 (direct_return): Return false if the function has the interrupt
16311 attribute.
16312 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
16313 * config/m32r/m32r.md (epilogue): New expander.
16314 (return_lr, return_rte): New insns.
16315 (return): Make it expander.
16316 (return_normal): New expander.
16317
16318 2007-01-18 Josh Conner <jconner@apple.com>
16319
16320 PR target/30485
16321 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
16322 support for UNLE, UNLT, UNGE, and UNGT.
16323
16324 2007-01-18 Jan Hubicka <jh@suse.cz>
16325
16326 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
16327 * tree-tailcall (add_virtual_phis): Likewise.
16328 (optimize_tail_call): Return TODOs.
16329 (execute_tail_calls): Return TODOs.
16330 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
16331 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
16332 changed.
16333 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
16334 Cleanup cfg using TODO.
16335 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
16336 * passes.c (execute_function_todo): When cleanup did something, remove
16337 unused locals.
16338 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
16339 (make_edges): Don't cleanup_cfg.
16340
16341 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
16342
16343 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
16344 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
16345 operate on the top of stack.
16346 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
16347 register handling of instructions that output to the second
16348 stack slot.
16349 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
16350 (move_for_stack_reg): Special-case check for dead destination
16351 stack slot for constant load of 1.0 inside UNSPEC_TAN.
16352
16353 * config/i386/i386.md (UNSPEC_TAN): New constant.
16354 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
16355 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
16356 to correctly model move of constant 1.0 to top stack slot.
16357 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
16358 (unnamed peephole2 pattern): Remove corresponding peephole2
16359 pattern that optimizes tan insn and loading of constant 1.0.
16360 (tanxf2): Use fptanxf4_i387.
16361 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
16362 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
16363 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16364 disable patterns for SSE math.
16365 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
16366 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
16367
16368 2007-01-18 Dirk Mueller <dmueller@suse.de>
16369 Richard Guenther <rguenther@suse.de>
16370
16371 PR diagnostic/8268
16372 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
16373 * common.opt (Warray-bounds): Add new warning option.
16374 * c-opts.c (c_common_handle_option): Define -Warray-bounds
16375 if -Wall is given.
16376 * Makefile.in: make tree-vrp.o depend on toplev.h
16377 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
16378 is enabled.
16379 (check_array_refs, check_array_bounds, check_array_ref): New.
16380
16381 2007-01-18 Jan Hubicka <jh@suse.cz>
16382
16383 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
16384 (execute_ssa_ccp): Return flags conditionally.
16385 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
16386 changed.
16387 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
16388
16389 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
16390
16391 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
16392 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
16393
16394 * Makefile.c (GTFILES): Add cfglayout.h.
16395 * gengtype.c (open_base_files): Likewise.
16396 * cfglayout.c (cfg_layout_function_footer,
16397 cfg_layout_function_header) Reindent to make gengtype happy.
16398 * cfglayout.h (cfg_layout_function_footer,
16399 cfg_layout_function_header): Add GTY(()) marker.
16400
16401 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
16402
16403 2007-01-18 Ben Elliston <bje@au.ibm.com>
16404
16405 * genautomata.c (write_automata): Include xstrerror output in the
16406 error message if writing the DFA description file fails.
16407
16408 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
16409
16410 * config/mips/mips-protos.h (mips_output_external): Make it
16411 return void.
16412 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
16413 * config/mips/mips.c (irix_output_external_libcall): Likewise.
16414 (extern_list): Likewise.
16415 (extern_head): Likewise.
16416 (TARGET_ASM_FILE_END): Likewise.
16417 (mips_file_end): Likewise.
16418 (mips_output_external): Rewritten.
16419
16420 2007-01-18 Ben Elliston <bje@au.ibm.com>
16421
16422 * genpreds.c (write_insn_preds_c): Only write out the function
16423 body for regclass_for_constraint if we have register constraints.
16424
16425 2007-01-17 Tom Tromey <tromey@redhat.com>
16426
16427 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
16428 * doc/install.texi (Testing): Use sourceware.org.
16429 (Binaries): Likewise.
16430 (Specific): Likewise.
16431 * doc/contrib.texi (Contributors): Use sourceware.org.
16432
16433 2007-01-17 Anatoly Sokolov <aesok@post.ru>
16434
16435 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
16436 (AVR_ENHANCED): Rename to ...
16437 (AVR_HAVE_MUL): ... new.
16438 (avr_enhanced_p): Rename to ...
16439 (avr_have_mul_p): ... new.
16440 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
16441 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
16442 * config/avr/avr.c (avr_enhanced_p): Rename to ...
16443 (avr_have_mul_p): ... new.
16444 (base_arch_s): Rename 'enhanced' to 'have_mul'.
16445 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
16446 'avr_enhanced_p' and 'enhanced'.
16447 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
16448 AVR_HAVE_MUL instead of AVR_ENHANCED.
16449 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16450 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
16451 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
16452 instead of AVR_ENHANCED.
16453 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16454 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
16455 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
16456
16457 2007-01-17 Ian Lance Taylor <iant@google.com>
16458
16459 * vec.h (VEC_reserve_exact): Define.
16460 (vec_gc_p_reserve_exact): Declare.
16461 (vec_gc_o_reserve_exact): Declare.
16462 (vec_heap_p_reserve_exact): Declare.
16463 (vec_heap_o_reserve_exact): Declare.
16464 (VEC_OP (T,A,reserve_exact)): New static inline function, three
16465 versions.
16466 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
16467 negative parameter.
16468 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
16469 (VEC_OP (T,A,copy)) [all versions]: Likewise.
16470 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
16471 * vec.c (calculate_allocation): Add exact parameter. Change all
16472 callers.
16473 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
16474 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
16475 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
16476 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
16477 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
16478 (vec_heap_p_reserve_exact): New function.
16479 (vec_heap_o_reserve_exact): New function.
16480
16481 2007-01-17 Jan Hubicka <jh@suse.cz>
16482
16483 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
16484
16485 2007-01-17 Eric Christopher <echristo@apple.com>
16486
16487 * config.gcc: Support core2 processor.
16488
16489 2007-01-16 Jan Hubicka <jh@suse.cz>
16490
16491 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
16492 the names, just unlink the chain so we don't crash on dangling pointers
16493 to dead SSA names.
16494
16495 2007-01-16 Jan Hubicka <jh@suse.cz>
16496
16497 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
16498 * tree-pass.h: Reorder to make IPA passes appear toegher.
16499 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
16500 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
16501 parameters, do not call early inliner.
16502 * ipa-inline.c: Update comments. Include tree-flow.h
16503 (cgraph_decide_inlining): Do not compute inlining parameters.
16504 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
16505 be called with function context set up.
16506 (pass_ipa_inline): Remove unreachable functions before pass.
16507 (cgraph_early_inlining): Simplify assuming to be called from the
16508 PM as local pass.
16509 (pass_early_inline): New pass.
16510 (cgraph_gate_ipa_early_inlining): New gate.
16511 (pass_ipa_early_inline): Turn into simple wrapper.
16512 (compute_inline_parameters): New function.
16513 (gate_inline_passes): New gate.
16514 (pass_inline_parameters): New pass.
16515 (apply_inline): Move here from tree-optimize.c
16516 (pass_apply_inline): New pass.
16517 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
16518 transforming.
16519 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
16520 doing them by hand.
16521 (tree_function_versioning): Do not allocate dummy struct function.
16522 * tree-inline.h (optimize_inline_calls): Update prototype.
16523 * tree-optimize.c (execute_fixup_cfg): Export.
16524 (pass_fixup_cfg): Remove
16525 (tree_rest_of_compilation): Do not apply inlines.
16526 * tree-flow.h (execute_fixup_cfg): Declare.
16527 * Makefile.in (gt-passes.c): New.
16528 * passes.c: Include gt-passes.h
16529 (init_optimization_passes): New passes.
16530 (nnodes, order): New static vars.
16531 (do_per_function_toporder): New function.
16532 (execute_one_pass): Dump current pass here.
16533 (execute_ipa_pass_list): Don't dump current pass here.
16534
16535 2007-01-16 Janis Johnson <janis187@us.ibm.com>
16536
16537 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
16538 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
16539
16540 2007-01-16 David Edelsohn <edelsohn@gnu.org>
16541
16542 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
16543 (strong_alias): Define.
16544 (__gcc_qmul): Provide non-FMA for soft-float.
16545 (__gcc_qdiv): Same.
16546 (__gcc_qneg): New.
16547 (__gcc_qeq): New.
16548 (__gcc_qle): New.
16549 (__gcc_qge): New.
16550 (__gcc_qunord): New.
16551 (__gcc_stoq): New.
16552 (__gcc_dtoq): New.
16553 (__gcc_qtos): New.
16554 (__gcc_qtod): New.
16555 (__gcc_qtoi): New.
16556 (__gcc_qtou): New.
16557 (__gcc_itoq): New.
16558 (__gcc_utoq): New.
16559 (fmsub): New.
16560 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
16561 soft-float functions.
16562 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
16563 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
16564 about long double soft float.
16565
16566 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
16567 Tehila Meyzels <tehila@il.ibm.com>
16568
16569 * tree-vectorizer.h (is_pattern_stmt_p): New.
16570 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
16571 formatting (tabs instead of spaces). Cleanup and clarify setting
16572 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
16573 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
16574 (vectorizable_type_demotion): Check that types are integral.
16575 (vectorizable_type_promotion): Likewise.
16576 (vectorizable_store): Fix typo. Eliminate new-line at end of
16577 comments.
16578
16579 2007-01-16 Jan Hubicka <jh@suse.cz>
16580
16581 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
16582 cgraph edges too.
16583
16584 2007-01-15 Eric Christopher <echristo@apple.com>
16585
16586 * ifcvt.c: Include vec.h, vecprim.h.
16587 (check_cond_move_block): New argument regs.
16588 Reorganize. Add registers used to regs.
16589 (cond_move_process_if_block): Use regs set above as
16590 loop bounds.
16591
16592 2007-01-15 Eric Christopher <echristo@apple.com>
16593
16594 * config/darwin.h: Update copyright.
16595 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
16596 (LINK_COMMAND_SPEC): Add -u.
16597 (LINK_SPEC): Fix umbrella for above.
16598
16599 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
16600
16601 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
16602 glibc CVS.
16603
16604 2007-01-15 Tom Tromey <tromey@redhat.com>
16605
16606 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
16607 * doc/install.texi (Testing): Don't mention jacks.
16608 (Configuration): Document --enable-java-maintainer-mode. Move
16609 --with-java-home to libgcj-specific section. Document
16610 --with-ecj-jar.
16611 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
16612
16613 2007-01-15 Jan Hubicka <jh@suse.cz>
16614
16615 * tree-ssa-dce.c (DCE_TODOs): New.
16616 (propagate_necessity): Return if something changed.
16617 (eliminate_unnecessary_stmts): Likewise.
16618 (perform_tree_ssa_dce): Return TODO flags when needed.
16619 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
16620
16621 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
16622
16623 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
16624 (fyl2x_extend<mode>xf3_i387): New insn pattern.
16625 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
16626 patterns using X87MODEF12 mode macro. Extend operand 1
16627 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16628 (log10<mode>2): Ditto.
16629 (log2<mode>2): Ditto.
16630 (log1p<mode>2): Ditto.
16631 (logb<mode>2): Ditto.
16632 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
16633 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
16634 (*fxtractxf3_i387): Rename from *fxtractxf3.
16635 (fxtract_extend<mode>xf3_i387): New insn pattern.
16636 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
16637 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
16638 and gen_fyl2xxf3_i387().
16639
16640 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16641
16642 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
16643 * cfgloopmanip.c (fix_loop_placement): Made static. Use
16644 get_loop_exit_edges. Changed return type to bool.
16645 * cfgloop.h (fix_loop_placement): Declaration removed.
16646
16647 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
16648
16649 * param.h (MIN_VECT_LOOP_BOUND): New.
16650 * params.def (MIN_VECT_LOOP_BOUND): New.
16651 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
16652 argument - minimum threshold for number of iterations.
16653 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
16654 argument to declaration.
16655 * tree-vect-analyze.c (vect_analyze_operations): Check value of
16656 MIN_VECT_LOOP_BOUND.
16657 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
16658 slpeel_tree_peel_loop_to_edge with additional argument.
16659 (vect_do_peeling_for_alignment): Likewise.
16660 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
16661
16662 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
16663
16664 PR target/30413
16665 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
16666 operands of size 1.
16667
16668 2007-01-14 Jan Hubicka <jh@suse.cz>
16669
16670 * tree-dfa.c (remove_referenced_var): New function.
16671 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
16672 prune referenced vars list too.
16673 * tree-flow.h (remove_referenced_var): Declare.
16674
16675 2007-01-14 Jan Hubicka <jh@suse.cz>
16676
16677 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
16678 separately.
16679 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
16680 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
16681 * except.h (verify_eh_throw_table_statements): Kill prototype.
16682 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
16683 into call exrepssions.
16684 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
16685 eh trhow verifier.
16686 * tree-cfg.c: Include pointer-set.h.
16687 (verify_node_sharing): Work on pointer set.
16688 (verify_eh_throw_stmt_node): New.
16689 (verify_stmts): Use pointers sets, verify throw_stmt.
16690
16691 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
16692
16693 * ipa-reference.c (analyze_function): Consider also addresses taken
16694 in phi nodes.
16695
16696 2007-01-12 Roger Sayle <roger@eyesopen.com>
16697
16698 * c-typeck.c (null_pointer_constant_p): Replace use of
16699 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16700 (build_c_cast): Likewise.
16701
16702 2007-01-12 Roger Sayle <roger@eyesopen.com>
16703
16704 * tree.h (force_fit_type_double): Remove unused final argument.
16705 * c-common.c (constant_expression_warning): Replace use of
16706 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16707 (convert_and_check): Likewise.
16708 (shorten_compare): Update call to force_fit_type_double.
16709 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
16710 * convert.c (convert_to_pointer): Update call to
16711 force_fit_type_double.
16712 * fold-const.c (force_fit_type_double): Remove overflowed_const
16713 argument.
16714 (int_const_binop, fold_convert_const_int_from_int,
16715 fold_convert_const_int_from_real, fold_div_compare,
16716 fold_sign_changed_comparison, fold_unary, fold_negate_const,
16717 fold_abs_const, fold_not_const): Remove the final argument from
16718 calls to force_fit_type_double.
16719
16720 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
16721
16722 * configure.ac: Set insn to "nop" for spu-*-* also.
16723 * configure: Regenerate.
16724
16725 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
16726
16727 * builtins.def : Add BUILT_IN_FREE.
16728
16729 2007-01-12 Jan Hubicka <jh@suse.cz>
16730
16731 PR tree-optimization/30443
16732 * tree-inline.c (tree_function_versioning): Do not optimize when
16733 cloning for inlining.
16734
16735 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
16736
16737 * doc/loop.texi: Document recording of loop exits.
16738 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
16739 (update_single_exits_after_duplication,
16740 update_single_exit_for_duplicated_loop,
16741 update_single_exit_for_duplicated_loops): Removed.
16742 (duplicate_loop_to_header_edge): Do not call
16743 update_single_exits_after_duplication and
16744 update_single_exit_for_duplicated_loops.
16745 (loop_version): Do not update single_exit information.
16746 (fix_loop_structure): Use record_loop_exits instead of
16747 mark_single_exit_loops.
16748 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
16749 the lists of loop exits.
16750 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
16751 split_edge, merge_blocks): Update the lists of loop exits.
16752 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
16753 loop_optimizer_init.
16754 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
16755 of mark_single_exit_loops.
16756 (loop_optimizer_finalize): Call release_recorded_exits.
16757 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
16758 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
16759 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
16760 update single exit information.
16761 * lambda-code.c (perfect_nestify): Ditto.
16762 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
16763 (mark_single_exit_loops): Removed.
16764 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
16765 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
16766 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
16767 functions.
16768 (get_loop_exit_edges, single_exit): Use recorded exit lists.
16769 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
16770 (verify_loop_structure): Verify consistency of the exit lists.
16771 (flow_loops_find): Use alloc_loop. Initialize exits hash.
16772 (set_single_exit): Removed.
16773 * cfgloop.h (struct loop_exit): New function.
16774 (struct loop): single_exit_ field replaced by exits field.
16775 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
16776 (struct loops): Added exits hash.
16777 (mark_single_exit_loops, set_single_exit): Declaration removed.
16778 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
16779
16780 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16781
16782 * doc/invoke.texi: Avoid use of @headitem.
16783
16784 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16785
16786 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
16787
16788 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16789
16790 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
16791 list of targets.
16792
16793 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16794 Richard Sandiford <richard@codesourcery.com>
16795
16796 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
16797 * config/m68k/m68k.opt: Resort options.
16798 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
16799
16800 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16801 Richard Sandiford <richard@codesourcery.com>
16802
16803 * doc/invoke.texi: Document the macros that are defined by
16804 m68k's -mtune and -mhard-float options.
16805 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
16806 (m68k_cpp_cpu_family): Likewise.
16807 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
16808 of __ucfv*__ macros. Define __mcffpu__ if generating code for
16809 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
16810 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
16811 (m68k_cpp_cpu_family): Likewise.
16812
16813 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16814
16815 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
16816 macros besides mc68000 as tuning macros. Use a switch statement
16817 to set them and mcpu32.
16818
16819 2007-01-12 Julian Brown <julian@codesourcery.com>
16820
16821 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
16822 (TARGET_68040_ONLY): Rename to...
16823 (TARGET_68040): ...this.
16824 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
16825 * config/m68k/m68k.md: Likewise.
16826
16827 2007-01-12 Julian Brown <julian@codesourcery.com>
16828 Nathan Sidwell <nathan@codesourcery.com>
16829 Richard Sandiford <richard@codesourcery.com>
16830
16831 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
16832 the -mcpu= argument associated with the --with-cpu setting.
16833 Define M68K_DEFAULT_TUNE to the default -mtune= option,
16834 if different from the one implied by the -mcpu setting.
16835 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
16836 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
16837 * doc/invoke.texi: Mention ColdFire in the introduction to the
16838 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
16839 -mno-div and -mhard-float options. Make -m68881 a synonym for
16840 -mhard-float. Document the previously-undocumented -m5206e,
16841 -m528x, -m5307 and -m5407 options. Tweak the existing option
16842 documentation for consistency.
16843 * doc/install.texi: Mention new --with-cpu arguments.
16844 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
16845 default CPU if neither -mcpu nor -march are specified.
16846 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
16847 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
16848 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
16849 using m68k_tune to decide between families that implement the
16850 same ISA. Use m68k_tune to set __mcfv4e__.
16851 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
16852 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
16853 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
16854 (FL_ISA_C, FL_ISA_MMU): New macros.
16855 (MASK_COLDFIRE): Delete.
16856 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
16857 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
16858 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
16859 (TARGET_HARD_FLOAT): Do not define here.
16860 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
16861 (TUNE_68000): New macro.
16862 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
16863 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
16864 (TUNE_CFV2): Redefine in terms of m68k_tune.
16865 (uarch_type, target_device, fpu_type): New enums.
16866 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
16867 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
16868 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
16869 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
16870 (FL_FOR_isa_c): New macros.
16871 (m68k_isa): New enum.
16872 (m68k_target_selection): New structure.
16873 (all_devices, all_isas, all_microarchs): New tables.
16874 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
16875 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
16876 (MASK_ALL_CPU_BITS): Delete.
16877 (m68k_find_selection): New function.
16878 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
16879 Map the legacy target options to a combination of the new ones.
16880 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
16881 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
16882 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
16883 settings.
16884 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
16885 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
16886 properties.
16887 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
16888 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
16889 * config/m68k/m68k-devices.def: New file.
16890
16891 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16892 Nathan Sidwell <nathan@codesourcery.com>
16893
16894 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
16895 (SUBTARGET_EXTRA_SPECS): New macros.
16896 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
16897 use %(asm_cpu_spec) instead.
16898 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
16899 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
16900 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
16901 (EXTRA_SPECS): Rename to...
16902 (SUBTARGET_EXTRA_SPECS): ...this.
16903
16904 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16905 Richard Sandiford <richard@codesourcery.com>
16906 Julian Brown <julian@codesourcery.com>
16907
16908 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16909 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
16910 to the configuration's default CPU.
16911 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
16912 Remove default masks.
16913 (m680[012]0-*-*): Set the default with_cpu to the first part of
16914 the target name.
16915 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
16916 (m68k*-*-linux): Extend the --with-cpu handling to...
16917 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
16918 and m68010. Don't set target_cpu_default2.
16919 * doc/install.texi: Document --with-cpu for m68k.
16920 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
16921 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
16922 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
16923 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
16924 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
16925 (ASM_SPEC): Remove use of %(asm_cpu_default).
16926 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
16927 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
16928 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
16929 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
16930 __HAVE_FPU__ if TARGET_HARD_FLOAT.
16931 (TARGET_DEFAULT): Delete.
16932 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
16933 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
16934 (CPP_CPU_SPEC): Delete.
16935 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
16936 the appropriate string.
16937 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
16938 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
16939 (ASM_SPEC): Don't use %(asm_default_spec).
16940 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16941 TARGET_DEFAULT and add MASK_68881.
16942 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
16943
16944 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16945
16946 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
16947 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
16948 MASK_68010 alongside MASK_68020.
16949 * doc/invoke.texi: Document -m68010.
16950 * config/m68k/m68k.opt (m68010): New.
16951 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
16952 if TUNE_68010.
16953 (TUNE_68010): New macro.
16954 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
16955 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
16956 (M68K_CPU_m68332): Add MASK_68010.
16957 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
16958 fallback definition.
16959 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
16960 defines.
16961 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
16962 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
16963 to all entries that use MASK_68020.
16964 (output_move_simode_const, output_move_himode, output_move_qimode)
16965 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
16966 instead of TARGET_68020 to select clr behavior. Remove comment
16967 about there being no TARGET_68010.
16968 * config/m68k/m68k.md: Likewise throughout.
16969
16970 2007-01-12 Julian Brown <julian@codesourcery.com>
16971
16972 * config/m68k/m68k.h (TARGET_ISAB): New macro.
16973 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
16974 * config/m68k/m68k.md: Likewise.
16975
16976 2007-01-12 Julian Brown <julian@codesourcery.com>
16977
16978 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
16979 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
16980
16981 2007-01-12 Julian Brown <julian@codesourcery.com>
16982
16983 * config/m68k/m68k.h (TUNE_68040_60): New macro.
16984 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
16985 * config/m68k/m68k.md: Likewise.
16986
16987 2007-01-12 Julian Brown <julian@codesourcery.com>
16988 Richard Sandiford <richard@codesourcery.com>
16989
16990 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
16991 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
16992 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
16993 TARGET_CPU32.
16994 (TARGET_CPU32): Rename to...
16995 (TUNE_CPU32): ...this.
16996 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
16997 (TUNE_CFV2): New macros.
16998 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
16999 remove conditions that are implied by TARGET_68020.
17000 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
17001 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
17002 (m68k_output_function_epilogue): Likewise.
17003 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
17004 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
17005 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
17006 non-68000 timings. Refactor multiplication and division costs.
17007 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
17008 TUNE_CPU32 instead of TARGET_CPU32.
17009 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
17010 and TUNE_68060 instead of TARGET_68060.
17011 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
17012 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
17013 TARGET_CPU32.
17014 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
17015 && !TARGET_COLDFIRE" to choose between moveq and clr.
17016 Likewise in the unnamed movsf pattern.
17017 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
17018 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
17019 ashiftrt pattern.
17020
17021 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17022
17023 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
17024 of tabbing before backslashes.
17025
17026 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17027
17028 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
17029 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
17030 (ASM_OUTPUT_INTERNAL_LABEL): Define.
17031
17032 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17033
17034 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
17035 find_interesting_uses_cond.
17036 (find_interesting_uses_cond): Use extract_cond_operands.
17037 (rewrite_use_compare): Use extract_cond_operands and
17038 force_gimple_operand_bsi. Do not call update_stmt.
17039 (determine_use_iv_cost_condition): Use extract_cond_operands.
17040 Return cheaper of using original bound and changing the exit bound.
17041
17042 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17043
17044 PR tree-optimization/29516
17045 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
17046 most_expensive_mult_to_index, addr_to_parts,
17047 create_mem_ref, maybe_fold_tmr): Make the type of
17048 fields of TARGET_MEM_REF sizetype.
17049 (move_fixed_address_to_symbol, move_pointer_to_base):
17050 New functions.
17051 * tree.def (TARGET_MEM_REF): Add comment on types of
17052 the operands.
17053
17054 2007-01-11 Joseph Myers <joseph@codesourcery.com>
17055
17056 * c-common.c (vector_types_convertible_p): Treat opaque types as
17057 always convertible if they have the same size, but not otherwise.
17058
17059 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
17060
17061 * ifcvt.c (struct noce_if_info): Add comments to the fields.
17062 Remove the b_unconditional field.
17063 (noce_try_sign_mask): Do not look at b_unconditional.
17064 (noce_process_if_block): Do not use merge_if_blocks. Update
17065 the CFG here. Do not set b_unconditional.
17066 (cond_move_process_if_block): Likewise.
17067 (find_cond_trap): Likewise.
17068 (check_cond_move_block): Require simple jump insns at the end
17069 of the basic block.
17070
17071 2007-01-11 Jan Hubicka <jh@suse.cz>
17072
17073 PR tree-optimization/1046
17074 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
17075 when alias info is not ready.
17076 (pass_tail_recursion): Do not require aliasing.
17077 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
17078 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
17079 * tree-ssa-copy.c (pass_copy_prop): Likewise.
17080 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
17081 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
17082 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
17083 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
17084 before inlining.
17085 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
17086 When aliasing is not build, mark statement as volatile.
17087
17088 2007-01-11 Tom Tromey <tromey@redhat.com>
17089
17090 PR preprocessor/15185, PR preprocessor/20989:
17091 * doc/cppopts.texi <-MT>: Update description of algorithm for
17092 computing default target.
17093 <-M, -MD>: Reword "basename" text.
17094
17095 2007-01-11 Roger Sayle <roger@eyesopen.com>
17096
17097 * builtins.c (expand_builtin_pow, expand_builtin_powi,
17098 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
17099 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
17100 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
17101 fold_builtin_bswap, real_constp, fold_builtin_pow,
17102 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
17103 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
17104 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17105 * convert.c (convert_to_pointer): Likewise.
17106 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
17107 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
17108 const_binop, fold_convert_const_int_from_int,
17109 fold_convert_const_int_from_real,
17110 fold_convert_const_real_from_real, sign_bit_p,
17111 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
17112 fold_sign_changed_comparison, fold_unary, fold_comparison,
17113 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
17114 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
17115 * print-tree.c (print_node_brief, print_node): Likewise.
17116 * stor-layout.c (place_field, layout_type): Likewise.
17117 * tree-chrec.c (keep_cast): Likewise.
17118 * tree.c (build_vector, build_real, build_real_from_int_cst,
17119 build_complex): Likewise.
17120
17121 2007-01-11 Roger Sayle <roger@eyesopen.com>
17122
17123 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
17124 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
17125
17126 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
17127
17128 * configure.ac (strict1_warn): Rename to strict_warn.
17129 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
17130 cc_set_by_configure, quoted_cc_set_by_configure,
17131 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
17132 all_boot_languages, all_stagestuff): Remove.
17133 (target_list): Remove bootstrap targets.
17134 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
17135 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
17136 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
17137 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
17138 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
17139 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
17140 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
17141 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
17142 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
17143 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
17144 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
17145 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
17146 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
17147 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
17148 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
17149 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
17150 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
17151 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
17152 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
17153 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
17154 (mostlyclean): Adjust.
17155 (clean, distclean): Don't mention bootstrap stuff.
17156 * configure: Regenerate.
17157 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
17158 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
17159 treelang/config-lang.in (stagestuff): Remove.
17160 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
17161 stageprofile, stagefeedback, stagestuff): Remove mention.
17162
17163 2007-01-11 Nick Clifton <nickc@redhat.com>
17164
17165 * config/mcore/predicates.md (mcore_general_movesrc_operand):
17166 Accept CONSTs.
17167 (mcore_general_movdst_operand): Do not accept CONST_INTs.
17168 (mcore_arith_K_S_operand): Run the test for the S constraint not
17169 the test for the M constraint.
17170 (mcore_addsub_operand): Do not accept integer values that are
17171 larger than 32 bits.
17172 * config/mcore/mcore.md: Remove unused constraints from split.
17173 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
17174 (addsi3): Likewise.
17175 (allocate_stack): Likewise.
17176 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
17177 operands to 32 bits.
17178 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
17179 INTVAL.
17180 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
17181 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
17182 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
17183 mcore_output_bclri, mcore_output_andn, output_inline_const,
17184 mcore_output_move, mcore_output_movedouble): Likewise.
17185 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
17186 (output_inline_const): Likewise.
17187 (output_inline_const): Fix format strings used in sprintf
17188 statements.
17189 * config/mcore/mcore-protos.h: Update prototypes for changed
17190 functions in mcore.c.
17191 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
17192 HOST_WIDE_INT and not int.
17193 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
17194 CONST_OK_FOR_N): Likewise.
17195 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
17196 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
17197 an INTVAL.
17198
17199 2007-01-10 Jan Hubicka <jh@suse.cz>
17200
17201 * tree-vrp.c (remove_range_assertions): Release defs.
17202 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
17203 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
17204
17205 2007-01-10 Paul Brook <paul@codesourcery.com>
17206
17207 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
17208 * config/arm/arm.md (mulsi3subsi): New insn.
17209
17210 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
17211
17212 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
17213 (tree_transform_and_unroll_loop): New.
17214 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
17215 Declare.
17216
17217 2007-01-10 Robert Kennedy <jimbob@google.com>
17218
17219 * fold-const.c (fold_comparison): Fold comparisons like (x *
17220 1000 < 0) to (x < 0).
17221
17222 2007-01-10 Ian Lance Taylor <iant@google.com>
17223
17224 * tree-pretty-print.c (dump_generic_node): Print parentheses when
17225 operands have the same priority.
17226
17227 2007-01-10 Tom Tromey <tromey@redhat.com>
17228
17229 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
17230 (fold_binary): Likewise.
17231 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
17232 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
17233 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
17234 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
17235 * langhooks.h (struct lang_hooks): Removed field
17236 'can_use_bit_fields_p'.
17237
17238 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
17239
17240 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
17241
17242 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
17243
17244 * function.c (get_last_funcdef_no): New function.
17245 * function.h (get_last_funcdef_no): Declare.
17246 * tree-inline.c (initialize_cfun): Add initialization.
17247 (tree_function_versioning): Cleanup.
17248
17249 2007-01-10 Jan Hubicka <jh@suse.cz>
17250
17251 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
17252 PHIs.
17253
17254 2007-01-10 Sa Liu <saliu@de.ibm.com>
17255 Ben Elliston <bje@au.ibm.com>
17256
17257 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
17258 for SAVE_NONLOCAL and Pmode for any other save level.
17259 * spu-protos.h (spu_restore_stack_block): Declare.
17260 * spu.md (save_stack_block): Remove.
17261 (restore_stack_block): Call spu_restore_stack_block.
17262 * spu.c (spu_restore_stack_block): New function.
17263 (spu_expand_epilogue): Remove old comment.
17264
17265 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
17266
17267 PR tree-optimization/30322
17268 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
17269 (cand_value_at): Return the value as aff_tree.
17270 (may_eliminate_iv): Convert the bound from aff_tree to tree.
17271 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
17272 aff_combination_mult): New functions.
17273 (aff_combination_add): Use aff_combination_add_cst.
17274 (aff_combination_convert): Allow conversions to a wider type.
17275 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
17276 * tree-affine.h (aff_combination_mult): Declare.
17277
17278 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
17279
17280 * doc/tm.texi: Update documentation to reflect reality of exec
17281 and start file search behaviours. Update copyright year.
17282 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
17283 header file directories.
17284
17285 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
17286
17287 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
17288 (*cosxf2): Rename to cosxf2_i387.
17289 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
17290 using X87MODEF12 mode macro. Rename patterns to
17291 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
17292 for SSE math.
17293 (*cosdf2, *cossf2): Ditto.
17294 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
17295 to match extended input operands.
17296 (sincos<mode>3): New expander.
17297 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
17298 insn patterns and corresponding splitters.
17299
17300 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
17301
17302 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
17303 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
17304
17305 2007-01-09 Nicolas Pitre <nico@cam.org>
17306
17307 PR target/30173
17308 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
17309
17310 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17311
17312 * target.h (struct gcc_target): New field library_rtti_comdat.
17313 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
17314 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
17315 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
17316 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
17317
17318 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17319
17320 * doc/invoke.texi (Optimize Options): Correct description of -O0.
17321
17322 2007-01-08 Richard Guenther <rguenther@suse.de>
17323
17324 * tree.h (force_fit_type_double): Export.
17325 (force_fit_type): Remove.
17326 * fold-const.c (force_fit_type_double): New function.
17327 (force_fit_type): Remove.
17328 (int_const_binop): Use it.
17329 (fold_convert_const_int_from_int): Likewise.
17330 (fold_convert_const_int_from_real): Likewise.
17331 (fold_div_compare): Likewise.
17332 (fold_sign_changed_comparison): Likewise.
17333 (fold_unary): Likewise.
17334 (fold_negate_const): Likewise.
17335 (fold_abs_const): Likewise.
17336 (fold_not_const): Likewise.
17337 * c-common.c (shorten_compare): Use force_fit_type_double.
17338 * convert.c (convert_to_pointer): Likewise.
17339
17340 2007-01-08 Richard Guenther <rguenther@suse.de>
17341
17342 * tree.h (build_int_cst_wide_type): Export.
17343 * tree.c (build_int_cst_wide_type): New function.
17344 (build_int_cst_wide): Fix comment.
17345 * builtins.c (fold_builtin_object_size): Use build_int_cst
17346 to build -1 or 0 of the correct type. Use fit_double_type
17347 to check for overflow.
17348 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
17349 to build the mask.
17350 (decode_field_reference): Likewise.
17351 (all_ones_mask_p): Likewise.
17352 (native_interpret_int): Use build_int_cst_wide_type.
17353 (fold_binary): Use build_int_cst_type to build an all-ones
17354 value.
17355 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
17356
17357 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
17358
17359 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
17360
17361 2007-01-09 Ben Elliston <bje@au.ibm.com>
17362
17363 * genautomata.c (STATS_OPTION): New option.
17364 (stats_flag): New flag.
17365 (gen_automata_option): Handle it.
17366 (initiate_automaton_gen): Ditto.
17367 (write_automata): Output statistics only if stats_flag is
17368 set. Likewise, output time statistics only if time_flag is set.
17369 * doc/md.texi (Processor pipeline description): Document new flag.
17370
17371 2007-01-08 Richard Guenther <rguenther@suse.de>
17372
17373 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
17374 * tree.c (build_int_cst_type): Likewise.
17375 (size_in_bytes): Don't call force_fit_type on the result.
17376 (int_fits_type_p): Use fit_double_type.
17377 * fold-const.c (fit_double_type): New function.
17378 (force_fit_type): Use it.
17379 * tree.h (fit_double_type): Export.
17380
17381 2007-01-08 Jan Hubicka <jh@suse.cz>
17382
17383 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
17384 * ipa.c (function_and_variable_visibility): Fix return type.
17385
17386 2007-01-08 Richard Guenther <rguenther@suse.de>
17387
17388 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
17389 of offset to build the index.
17390 * tree-pretty-print.c (dump_generic_node): Don't build negated
17391 const just for printing.
17392 * c-pretty-print.c (pp_c_integer_constant): Likewise.
17393 * builtins.c (fold_builtin_int_roundingfn): Check if result
17394 fits the type by using force_fit_type and comparing the result.
17395 * predict.c (predict_loops): Use compare_tree_int for comparison.
17396 * tree.c (build_int_cst): Fall back to integer_type_node for
17397 NULL_TREE type.
17398 (build_int_cst_wide): Assert type is non-null.
17399
17400 2007-01-08 Roberto Costa <roberto.costa@st.com>
17401
17402 * tree-vrp.c (extract_range_from_cond_expr): New.
17403 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
17404 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
17405 as expressions.
17406 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
17407 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
17408 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
17409 used as expressions.
17410 * tree-object-size.c (cond_expr_object_size): New.
17411 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
17412
17413 2007-01-08 Jan Hubicka <jh@suse.cz>
17414
17415 * tree-ssa-forwprop.c (forward_propagate_into_cond,
17416 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
17417 statement.
17418
17419 2007-01-08 Richard Guenther <rguenther@suse.de>
17420
17421 PR tree-optimization/23603
17422 * tree-vrp.c (set_value_range_to_truthvalue): New function.
17423 (extract_range_from_binary): Fall back to truthvalue instead of
17424 varying for TRUTH_*_EXPR.
17425 (extract_range_from_comparison): Fall back to truthvalue instead of
17426 varying.
17427 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
17428 if all visited PHI values were constant.
17429
17430 2007-01-08 Jan Hubicka <jh@suse.cz>
17431
17432 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
17433 (cgraph_analyze_function): break out from ...
17434 (cgraph_finalize_compilation_unit): ... here.
17435 (cgraph_expand_function): Remove forgoten commented out line.
17436 (cgraph_optimize): Analyze functions.
17437
17438 2007-01-08 Jan Hubicka <jh@suse.cz>
17439
17440 * tree-pas.h (TODO_remove_function): New flag.
17441 (TODO_update*): Renumber.
17442 (pass_ipa_increase_alignment,
17443 pass_ipa_function_and_variable_visibility): New passes.
17444 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
17445 (cgraph_function_and_variable_visibility): Move to ipa.c
17446 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
17447 cgraph_increase_alignment.
17448 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
17449 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
17450 calling tree-inline.
17451 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
17452 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
17453 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
17454 (gate_increase_alignment): New function.
17455 (pass_ipa_increase_alignment): New pass.
17456 * ipa.c: Inline tree-pass.h and timevar.h
17457 (function_and_variable_visibility): Move here from cgraphunit.c
17458 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
17459 * passes.c (init_optimization_passes): Add the two new passes.
17460 (execute_todo): Handle cgraph_remove_functions.
17461
17462 2007-01-08 Nick Clifton <nickc@redhat.com>
17463
17464 * config/frv/predicates.md (reg_or_0_operand): Accept
17465 CONST_DOUBLEs.
17466
17467 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
17468
17469 * config/bfin/rtems.h, config/bfin/t-rtems: New.
17470 * config.gcc: Add bfin*-rtems*.
17471
17472 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17473
17474 * c.opt: Add -flax-vector-conversions.
17475 * c-typeck.c (convert_for_assignment): Pass flag to
17476 vector_types_convertible_p to allow emission of note.
17477 (digest_init): Likewise.
17478 * c-opts.c: Handle -flax-vector-conversions.
17479 * c-common.c (flag_lax_vector_conversions): New.
17480 (vector_types_convertible_p): Unless -flax-vector conversions
17481 has been passed, disallow conversions between vectors with
17482 differing numbers of subparts and/or element types. If such
17483 a conversion is disallowed, possibly emit a note on the first
17484 occasion only to inform the user of -flax-vector-conversions.
17485 The new last argument specifies this.
17486 * c-common.h (flag_lax_vector_conversions): New.
17487 (vector_types_convertible_p): Add extra argument.
17488 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
17489 char_type_node for V*QI type vectors.
17490 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
17491 Update to satisfy new typechecking rules.
17492 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
17493 C and C++ variants.
17494 * doc/invoke.texi (C Dialect Options): Document
17495 -flax-vector-conversions.
17496
17497 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17498
17499 PR tree-optimization/29877
17500 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
17501 a register variable on the RHS to not be replaceable.
17502
17503 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
17504 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
17505 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
17506 const_simm15, const_pow2, const_npow2): Added.
17507 * config/score/misc.md (insv, extv, extzv, movmemsi,
17508 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
17509 * config/score/score.c (score_address_cost, score_select_cc_mode):
17510 Added.
17511 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
17512 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
17513 Update score_print_operand.
17514 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
17515 Adjust register allocate order and update some macro define.
17516 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
17517 mdx_block_move_straight, mdx_block_move_loop_head,
17518 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
17519 mdx_block_move): Added.
17520 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
17521 mdp_limm): Updated and fix some bug and typo.
17522 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
17523 (movsf, movdf, doloop_end): Added.
17524
17525 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
17526
17527 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
17528 config/arm/thumb2.md: Fix comment typos.
17529 * doc/extend.texi: Fix a typo.
17530
17531 2007-01-07 Eric Christopher <echristo@apple.com>
17532
17533 * configure.ac: Check for __stack_chk_fail for darwin.
17534 * configure: Regenerate.
17535
17536 2007-01-07 Richard Guenther <rguenther@suse.de>
17537
17538 * tree-vrp.c (extract_range_from_assert): CSE calls to
17539 compare_values where possible.
17540 (extract_range_from_unary_expr): Likewise.
17541
17542 2007-01-07 Anatoly Sokolov <aesok@post.ru>
17543
17544 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
17545 * config/avr/avr.c (call_insn_operand): Delete function.
17546 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
17547 instead of register number. Use predicates.
17548 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
17549 call_insn_operand): Add.
17550
17551 2007-01-06 Jan Hubicka <jh@suse.cz>
17552
17553 * tree-pass.h (pass_build_cgraph_edges): Declare.
17554 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
17555 (visited_nodes): Remove.
17556 (cgraph_create_edges): Move to cgraphbuild.c; rename to
17557 build_cgrpah_edges; make visited_nodes local.
17558 (cgraph_process_new_functions): DO not call initialize_inline_failed.
17559 (record_references_in_initializer): Move to cgraphbuild.c
17560 (initialize_inline_failed, rebuild_cgraph_edges,
17561 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
17562 (verify_cgraph_node): Make visited_nodes local.
17563 (cgraph_analyze_function): Do not call cgraph_create_edges and
17564 initialize_inline_failed.
17565 (cgraph_expand_function): Do not call cgraph_lower_function;
17566 assert that function is already lowered.
17567 * Makefile.in (cgraphbuild.o): New.
17568 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
17569 at the end of lowering passes.
17570
17571 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
17572
17573 * ifcvt.c (cond_move_convert_if_block): New function, code
17574 factored out from...
17575 (cond_move_process_if_block): ...here. Call the new function
17576 on the THEN and ELSE blocks.
17577 (merge_if_block): Do not copy global_live_at_end, merge_blocks
17578 already takes care of this.
17579
17580 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17581
17582 PR c/19978
17583 * tree.h (TREE_OVERFLOW_P): New.
17584 * c-typeck.c (parser_build_unary_op): Warn only if result
17585 overflowed and operands did not.
17586 (parser_build_binary_op): Likewise.
17587 (convert_for_assignment): Remove redundant overflow_warning.
17588 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
17589
17590 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17591
17592 * c-typeck.c (store_init_value): Split over two lines to follow
17593 the GNU coding style.
17594
17595 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
17596
17597 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
17598 __GXX_EXPERIMENTAL_CXX0X__.
17599 * doc/cpp.texi: Same.
17600
17601 2007-01-05 Richard Guenther <rguenther@suse.de>
17602
17603 PR middle-end/27826
17604 * tree.c (get_narrower): Do not construct COMPONENT_REFs
17605 with mismatched types. Instead explicitly build a
17606 conversion NOP_EXPR.
17607
17608 2007-01-05 Ian Lance Taylor <iant@google.com>
17609
17610 * c-common.c (decl_with_nonnull_addr_p): New function.
17611 (c_common_truthvalue_conversion): Call it.
17612 * c-typeck.c (build_binary_op): Likewise.
17613 * c-common.h (decl_with_nonnull_addr_p): Declare.
17614
17615 2007-01-05 Jakub Jelinek <jakub@redhat.com>
17616
17617 PR c/30360
17618 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
17619 denom against 0.0.
17620
17621 2007-01-05 Joel Brobecker <brobecker@adacore.com>
17622
17623 * doc/install.texi (Final install): Document the fact that
17624 the GNAT runtime should not be stripped.
17625
17626 2007-01-04 Jan Hubicka <jh@suse.cz>
17627
17628 * tree-inline.c (fold_marked_statements): Update operand caches
17629 and EH after folding
17630
17631 2007-01-04 Ian Lance Taylor <iant@google.com>
17632
17633 * c-common.c (check_function_nonnull): Whitespace fix.
17634
17635 2007-01-04 Jan Hubicka <jh@suse.cz>
17636
17637 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
17638 comitted older version of patch.
17639 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
17640 function, celanup cfg and collect garbage.
17641
17642 2007-01-04 Mike Stump <mrs@apple.com>
17643
17644 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
17645 (clean): Likewise.
17646
17647 2007-01-04 Eric Christopher <echristo@apple.com>
17648
17649 * libgcc2.c (__bswapsi2): Use SItype.
17650 (__bswapdi2): Use DItype.
17651 * libgcc2.h: Update for above.
17652
17653 2007-01-04 Paul Brook <paul@codesourcery.com>
17654
17655 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
17656 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
17657 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
17658 umulsidi3, umulsidi3adddi, smulsi3_highpart,
17659 umulsi3_highpart): Make conditional on !arm_arch6.
17660 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
17661 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
17662 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
17663 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
17664 umulsi3_highpart_v6): New insns.
17665
17666 2007-01-04 Roger Sayle <roger@eyesopen.com>
17667
17668 * fold-const.c (fold_convert): When casting an expression to void,
17669 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
17670 have a type. Instead of attempting to build a NOP_EXPR, return
17671 these "special" trees directly.
17672
17673 2007-01-04 Joseph Myers <joseph@codesourcery.com>
17674
17675 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
17676 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
17677 rs6000_cost->fp not 0 as adjustment for outer NEG.
17678
17679 2007-01-04 Jan Hubicka <jh@suse.cz>
17680
17681 * cgraph.c (cgraph_release_function_body): New function.
17682 (cgraph_remove_node): Use it.
17683 * cgraph.h (cgraph_release_function_body): Declare.
17684 * cgraphunit.c (cgraph_expand_function): Use it.
17685 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
17686 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
17687 is initialized and while compilation of other function is running.
17688 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
17689 statement CFG annotations from here to ...
17690 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
17691
17692 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
17693
17694 * cfgloop.h (enum li_flags): Make the constants powers of two.
17695
17696 2007-01-04 Jan Hubicka <jh@suse.cz>
17697
17698 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
17699 set.
17700 (fold_marked_statements): New function.
17701 (optimize_inline_calls, tree_function_versioning): Fold new statements.
17702 * tree-inline.h (copy_body_data): Add statements_to_fold.
17703
17704 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
17705
17706 * config.gcc: Mention libgcc/config.host.
17707 * Makefile.in: Update comments mentioning libgcc.
17708 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
17709 (all.cross, start.encap, rest.encap, rest.cross): Update
17710 dependencies for libgcc move.
17711 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
17712 (clean-target, clean-target-libgcc): Delete.
17713 (srcdirify, GCC_EXTRA_PARTS): New macros.
17714 (libgcc-support, libgcc.mvars): New rules.
17715 (distclean): Remove mention of mklibgcc.
17716 (install): Don't reference INSTALL_LIBGCC.
17717 (install-common): Don't reference EXTRA_PARTS.
17718 (install-libgcc, install-multilib): Delete rules.
17719 * mklibgcc.in: Delete file.
17720 * doc/configfiles.texi: Don't mention mklibgcc.
17721
17722 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
17723 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
17724 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
17725 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
17726 (mklibgcc, ldblspecs): Likewise.
17727
17728 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
17729 (posixpre.def): Use $(T).
17730 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
17731 (SHLIB_SRC, SHLIB_INSTALL): Delete.
17732 (SHLIB_LINK): Make dummy.
17733 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
17734
17735 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
17736
17737 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
17738 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
17739 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
17740 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
17741
17742 * configure.ac (all_outputs): Remove mklibgcc.
17743 * configure: Regenerated.
17744
17745 2007-01-03 Josh Conner <jconner@apple.com>
17746
17747 PR middle-end/29683
17748 * calls.c (compute_argument_addresses): Set stack and stack_slot
17749 for partial args, too.
17750 (store_one_arg): Use locate.size.constant for the size when
17751 generating a save_area.
17752
17753 2007-01-03 Robert Kennedy <jimbob@google.com>
17754
17755 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
17756 whose definitions are deleted due to basic block merging.
17757
17758 2007-01-03 Paul Brook <paul@codesourcery.com>
17759
17760 PR target/16634
17761 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
17762 functions.
17763 (use_return_insn): Return 0 for Thumb interrupt functions.
17764 (print_multi_reg): Add rfe argument for IRQ returns.
17765 (arm_output_epilogue): Pop interrupt return address directly into PC.
17766 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
17767
17768 2007-01-03 Paul Brook <paul@codesourcery.com>
17769
17770 Merge from sourcerygxx-4_1.
17771 * config/arm/thumb2.md: New file.
17772 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
17773 Thumb-2.
17774 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
17775 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17776 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
17777 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
17778 tables.
17779 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17780 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
17781 comptibility.
17782 * config/arm/ieee754-sf.S: Ditto.
17783 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
17784 (thumb1_base_register_rtx_p): ... to this.
17785 (thumb_index_register_rtx_p): Rename...
17786 (thumb1_index_register_rtx_p): ... to this.
17787 (thumb_output_function_prologue): Rename...
17788 (thumb1_output_function_prologue): ... to this.
17789 (thumb_legitimate_address_p): Rename...
17790 (thumb1_legitimate_address_p): ... to this.
17791 (thumb_rtx_costs): Rename...
17792 (thumb1_rtx_costs): ... to this.
17793 (thumb_compute_save_reg_mask): Rename...
17794 (thumb1_compute_save_reg_mask): ... to this.
17795 (thumb_final_prescan_insn): Rename...
17796 (thumb1_final_prescan_insn): ... to this.
17797 (thumb_expand_epilogue): Rename...
17798 (thumb1_expand_epilogue): ... to this.
17799 (arm_unwind_emit_stm): Rename...
17800 (arm_unwind_emit_sequence): ... to this.
17801 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
17802 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
17803 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
17804 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
17805 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
17806 thumb2_output_casesi): New functions.
17807 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
17808 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
17809 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
17810 THUMB2_WORK_REGS): Define.
17811 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
17812 arm_condexec_mask, arm_condexec_masklen)): New variables.
17813 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
17814 (arm_override_options): Check new CPU capabilities.
17815 Set new architecture flag variables.
17816 (arm_isr_value): Handle v7m interrupt functions.
17817 (user_return_insn): Return 0 for v7m interrupt functions. Handle
17818 Thumb-2.
17819 (const_ok_for_arm): Handle Thumb-2 constants.
17820 (arm_gen_constant): Ditto. Use movw when available.
17821 (arm_function_ok_for_sibcall): Return false for v7m interrupt
17822 functions.
17823 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
17824 (thumb_find_work_register, arm_load_pic_register,
17825 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
17826 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
17827 print_multi_reg, output_mov_long_double_fpa_from_arm,
17828 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
17829 output_mov_double_fpa_from_arm, output_move_double,
17830 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
17831 output_return_instruction, arm_output_function_prologue,
17832 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
17833 arm_output_mi_thunk, thumb_set_return_address): Ditto.
17834 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
17835 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
17836 (arithmetic_instr, shift_op): Use arm_shift_nmem.
17837 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
17838 '!' and 'L'.
17839 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
17840 (thumb_expand_prologue): Use thumb_set_frame_pointer.
17841 (arm_file_start): Output directive for unified syntax.
17842 (arm_unwind_emit_set): Handle stack alignment instruction.
17843 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
17844 Add v6t2, v7, v7a, v7r and v7m.
17845 (RETLDM): Add Thumb-2 code.
17846 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
17847 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
17848 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
17849 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
17850 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
17851 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
17852 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
17853 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
17854 ADJUST_INSN_LENGTH): Define.
17855 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
17856 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
17857 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
17858 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
17859 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
17860 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
17861 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
17862 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
17863 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
17864 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
17865 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
17866 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
17867 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
17868 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
17869 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
17870 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
17871 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
17872 cortex-m3.
17873 * config/arm/arm-tune.md: Regenerate.
17874 * config/arm/arm-protos.h: Update prototypes.
17875 * config/arm/vfp.md: Enable patterns for Thumb-2.
17876 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
17877 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
17878 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
17879 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
17880 * config/arm/libunwind.S: Add Thumb-2 code.
17881 * config/arm/constraints.md: Update include Thumb-2.
17882 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
17883 * config/arm/ieee754-df.S: Ditto.
17884 * config/arm/bpabi.S: Ditto.
17885 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
17886 * config/arm/predicates.md (low_register_operand,
17887 low_reg_or_int_operand, thumb_16bit_operator): New.
17888 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
17889 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
17890 * config/arm/t-arm-elf: Add armv7 multilib.
17891 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
17892 Include thumb2.md.
17893 (UNSPEC_STACK_ALIGN, ce_count): New.
17894 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
17895 arm_zero_extendsidi2, arm_zero_extendqidi2): New
17896 insns/expanders.
17897 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
17898 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
17899 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
17900 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
17901 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
17902 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
17903 insns.
17904 * doc/extend.texi: Document ARMv7-M interrupt functions.
17905 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
17906
17907 2007-01-03 Jakub Jelinek <jakub@redhat.com>
17908
17909 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
17910 (struct _Unwind_Context): Rename args_size to flags, remove
17911 signal_frame field, add a new args_size field and version field.
17912 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
17913 _Unwind_IsExtendedContext): New inline functions.
17914 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17915 Assume by_value array is only present if _Unwind_IsExtendedContext.
17916 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
17917 _Unwind_IsSignalFrame.
17918 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
17919 (uw_update_context_1): Use _Unwind_SetSignalFrame.
17920 (uw_init_context_1): Initialize context->flags to
17921 EXTENDED_CONTEXT_BIT.
17922 * config/rs6000/linux-unwind.h (frob_update_context): Use
17923 _Unwind_SetSignalFrame.
17924
17925 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
17926
17927 PR middle-end/30353
17928 * gimplify.c (gimplify_modify_expr_complex_part): Move below
17929 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
17930 the value.
17931
17932 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
17933
17934 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
17935 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
17936 RET, AT_SP): Remove.
17937 * config/i386/i386.md (*sse_prologue_save_insn): Use return
17938 instead of RET.
17939
17940 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
17941 * cfgbuild.c (find_basic_blocks): Likewise.
17942 * cfgrtl.c (rtl_create_basic_block): Likewise.
17943 * function.c (temp_slots_at_level): Likewise.
17944 * reg-stack.c (stack_regs_mentioned): Likewise.
17945 * regclass.c (allocate_reg_info): Likewise.
17946 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
17947 set_bb_for_stmt, move_block_to_fn): Likewise.
17948 * tree-complex.c (tree_lower_complex): Likewise.
17949 * vec.h (VEC_safe_grow_cleared): New.
17950
17951 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
17952
17953 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
17954
17955 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
17956 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
17957 to loop_version.
17958 * cfgloopmanip.c (scale_loop_frequencies): Export.
17959 (loopify): Scale the frequencies by prescribed coefficients.
17960 (set_zero_probability): New function.
17961 (duplicate_loop_to_header_edge): Improve updating of frequencies.
17962 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
17963 and frequencies according to arguments.
17964 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
17965 correctly.
17966 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
17967 * modulo-sched.c (sms_schedule): Set probabilities for entering
17968 versioned loop correctly.
17969 * tree-vect-transform.c (vect_transform_loop): Ditto.
17970 * cfgloop.h (loopify, loop_version): Declaration changed.
17971 (scale_loop_frequencies): Declared.
17972
17973 2007-01-02 Jan Hubicka <jh@suse.cz>
17974
17975 * cgraph.c: Include tree-flow.h
17976 (cgraph_add_new-function): Handle IPA_SSA mode; execute
17977 early_local_passes.
17978 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
17979 * tree-pass.h (pass_all_early_optimizations): Declare.
17980 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
17981 early_local_passes.
17982 (cgraph_analyze_function): Do early_local_passes.
17983 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
17984 Do not add referenced vars.
17985 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
17986 SSA form.
17987 (gate_all_early_local_passes): New gate.
17988 (pass_early_local_passes): Use new gate.
17989 (execute_early_local_optimizations): New functions.
17990 (gate_all_early_optimizations): New gate.
17991 (pass_all_early_optimizations): New pass.
17992 (execute_free_datastructures): Free SSA only when initialized.
17993 (gate_init_datastructures): Init only when optimizing.
17994 (tree_lowering_passes): Do early local passes when called late.
17995 * tree-profile.c (do_tree_profiling): Don't profile functions added
17996 late.
17997 (do_early_tree_profiling, pass_early_tree_profile): Kill.
17998 * tree-cfg.c (update_modified_stmts): Do not update when operands are
17999 not active.
18000 * passes.c (init_optimizations_passes): Reorder so we go into SSA
18001 during early_local_passes.
18002 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
18003
18004
18005 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18006
18007 * Makefile.in: Update copyright year.
18008
18009 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18010
18011 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
18012 in $(lang_checks) and check-consistency targets.
18013
18014 2007-01-02 Jan Hubicka <jh@suse.cz>
18015
18016 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18017 Do not add referenced vars.
18018 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
18019 are not active.
18020 * passes.c (init_optimization_passes): Put mudflap_2 after
18021 free_datastructures.
18022
18023 2007-01-02 Jan Hubicka <jh@suse.cz>
18024
18025 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
18026 Set NOTHROW flag on call statements proved to be nothrow.
18027 Update statement of local calls so new pure/const functions are
18028 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
18029 goto receivers.
18030 (tree_rest_of_compilation): Register hooks and initialize bitmap
18031 early. Do not set after_inlining flag.
18032
18033 2007-01-02 Steve Ellcey <sje@cup.hp.com>
18034
18035 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
18036 HOST_BITS_PER_LONGLONG
18037
18038 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18039
18040 PR c/19977
18041 * c-typeck.c (store_init_value): Don't emit pedantic overflow
18042 warning for non-static initializers.
18043
18044 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
18045
18046 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
18047 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
18048 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
18049 Always use set_unique_reg_note to add REG_EQUAL notes.
18050
18051 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18052
18053 Revert:
18054 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18055
18056 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18057 * cfgbuild.c (find_basic_blocks): Likewise.
18058 * cfgrtl.c (rtl_create_basic_block): Likewise.
18059 * function.c (temp_slots_at_level): Likewise.
18060 * reg-stack.c (stack_regs_mentioned): Likewise.
18061 * regclass.c (allocate_reg_info): Likewise.
18062 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18063 set_bb_for_stmt, move_block_to_fn): Likewise.
18064 * tree-complex.c (tree_lower_complex): Likewise.
18065 * vec.h (VEC_safe_grow_cleared): New.
18066
18067 2007-01-02 Ian Lance Taylor <iant@google.com>
18068
18069 * c-common.c (c_common_truthvalue_conversion): When warning about
18070 using an assignment as a truth value, set TREE_NO_WARNING.
18071
18072 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18073
18074 PR middle-end/7651
18075 * c.opt (Wold-style-declaration): New.
18076 * doc/invoke.texi (C-only Warning Options): New.
18077 (Wold-style-declaration): Document it.
18078 (Wextra): Enabled by -Wextra.
18079 * c-opts.c (c_common_post_options): Enabled by -Wextra.
18080 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
18081 -Wold-style-declaration.
18082
18083 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18084
18085 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18086 * cfgbuild.c (find_basic_blocks): Likewise.
18087 * cfgrtl.c (rtl_create_basic_block): Likewise.
18088 * function.c (temp_slots_at_level): Likewise.
18089 * reg-stack.c (stack_regs_mentioned): Likewise.
18090 * regclass.c (allocate_reg_info): Likewise.
18091 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18092 set_bb_for_stmt, move_block_to_fn): Likewise.
18093 * tree-complex.c (tree_lower_complex): Likewise.
18094 * vec.h (VEC_safe_grow_cleared): New.
18095
18096 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
18097
18098 * c-common.c (c_common_nodes_and_builtins): Since variants of
18099 void_type_node get built before it is given a name, we need to
18100 give those variants the name, too.
18101 (complete_array_type): We need to work with the canonical main
18102 type of the array, from which we will build the qualified version.
18103 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
18104 * print-tree.c (print_node): Display canonical type information
18105 for each type.
18106 * stor-layout.c (layout_type): When we don't know the
18107 alignment of a type for which we're building an array, we end up
18108 guessing wrong, so make the type require structural equality.
18109 * tree.c (make_node_stat): When we build a new type, it is its
18110 own canonical type.
18111 (build_type_attribute_qual_variant): When building an attribute
18112 variant, its canonical type is the non-attribute variant. However,
18113 if the attributes are target-dependent and they differ, we need to
18114 use structural equality checks for this type.
18115 (build_qualified_type): A qualified type is not equivalent to its
18116 unqualified variant; set the canonical type appropriately.
18117 (build_distinct_type_copy): When building a distinct type from
18118 another type, the new type is its own canonical type.
18119 (build_variant_type_copy): When building a new type variant, we
18120 assume that it is equivalent to the original type.
18121 (build_pointer_type_for_mode): When building a pointer type, also
18122 build a canonical type pointer.
18123 (build_reference_type_for_mode): When building a reference type,
18124 also build a canonical type reference.
18125 (build_index_type): When we can't hash an index type (e.g.,
18126 because its maximum value is negative), the index type requires
18127 structural equality tests.
18128 (build_array_type): Build the canonical form of an array type.
18129 (build_function_type): Function types require structural equality,
18130 because they contain default arguments, attributes, etc.
18131 (build_method_type_directly): Ditto for method types.
18132 (build_offset_type): Build the canonical offset type.
18133 (build_complex_type): Build the canonical vector type.
18134 (make_vector_type): Build the canonical vector type.
18135 * tree.h (TYPE_CANONICAL): New.
18136 (TYPE_STRUCTURAL_EQUALITY_P): New.
18137 (SET_TYPE_STRUCTURAL_EQUALITY): New.
18138 (struct tree_type): Added "canonical" field.
18139 * params.h (VERIFY_CANONICAL_TYPES): New.
18140 * doc/c-tree.texi (TYPE_CANONICAL): Document.
18141 (TYPE_STRUCTURAL_EQUALITY_P): Document.
18142 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
18143 * doc/invoke.texi (verify-canonical-types): Document --param
18144 parameter for verifying canonical types.
18145
18146 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18147
18148 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
18149 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
18150 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
18151 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
18152 tm_file.
18153 * config/rs6000/e500.h: New.
18154 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
18155 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
18156 Remove.
18157 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
18158 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
18159 TARGET_E500_DOUBLE): Remove.
18160 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
18161 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
18162 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
18163 * config/rs6000/rs6000.c (rs6000_override_options): Use
18164 CHECK_E500_OPTIONS.
18165
18166 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18167
18168 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
18169 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
18170 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
18171 rs6000_emit_cmove): Don't check TARGET_E500.
18172 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
18173 sordered): Don't check TARGET_E500.
18174
18175 2007-01-01 Eric Christopher <echristo@apple.com>
18176
18177 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
18178 HARD_REGISTER_NUM_P.
18179
18180 2007-01-01 Roger Sayle <roger@eyesopen.com>
18181
18182 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
18183 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
18184 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
18185 eq/ne Y".
18186
18187 2007-01-01 Mike Stump <mrs@apple.com>
18188
18189 * configure.ac: Remove support for building with Apple's gcc-3.1.
18190
18191 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18192
18193 PR middle-end/30311
18194 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
18195 REG is a hard register. Do not modify REG before calling
18196 subreg_nregs.
18197 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
18198 multiple of the size of YMODE for certain lowpart cases.
18199
18200 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18201
18202 PR middle-end/30253
18203 * gimplify (voidify_wrapper_expr): Update for
18204 GIMPLE_MODIFY_STMT.
18205
18206 2007-01-01 Andreas Schwab <schwab@suse.de>
18207
18208 PR target/29166
18209 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
18210 save of BR0 in extra_spill_size instead of spill_size.
18211 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
18212 area.
18213 (ia64_expand_epilogue): Restore BR0 from its new location.
18214
18215 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18216
18217 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
18218 Use a temporary variable if the left hand side is not a gimple
18219 register.
18220
18221 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18222
18223 * gimplify.c (gimplify_return_expr): Make the temporary variable
18224 for the return expression, a gimple register variable.
18225
18226 2007-01-01 Jan Hubicka <jh@suse.cz>
18227
18228 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
18229 INSN_LIST.
18230
18231 2007-01-01 Mike Stump <mrs@apple.com>
18232
18233 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
18234 .literal16.
18235 * config/darwin.c (machopic_select_rtx_section): Use
18236 HAVE_GAS_LITERAL16.
18237 (darwin_mergeable_constant_section): Likewise.
18238 * configure: Regenerate.
18239 * config.in: Regenerate.
18240
18241 2007-01-01 Jan Hubicka <jh@suse.cz>
18242 Andrew Pinski <pinskia@gmail.com>
18243
18244 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
18245 before starting IPA passes.