lib1funcs.asm (ic_invalidate): Align constant pool.
[gcc.git] / gcc / ChangeLog
1 2007-07-04 Richard Sandiford <richard@codesourcery.com>
2
3 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
4
5 2007-07-04 Richard Sandiford <richard@codesourcery.com>
6
7 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
8 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
9 * config/arm/vxworks.h (ASM_SPEC): Delete.
10 (SUBTARGET_EXTRA_ASM_SPEC): Define.
11
12 2007-07-04 Sebastian Pop <sebpop@gmail.com>
13
14 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
15 (DDR_REVERSED_P): New.
16 * tree-data-ref.c (initialize_data_dependence_relation,
17 build_classic_dist_vector): Set DDR_REVERSED_P.
18
19 2007-07-04 Sebastian Pop <sebpop@gmail.com>
20
21 PR middle-end/32457
22 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
23 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
24 init_omega_for_ddr_1): Use non conservative number of iterations
25 estimations.
26 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
27 (analyze_siv_subscript): Remove FIXME and reinitialization of
28 last_conflicts to chrec_dont_know.
29 * testsuite/gfortran.dg/vect/pr32457.f90: New.
30
31 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
32
33 * tree.c (maybe_canonicalize_argtypes): Improve description.
34
35 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
36
37 * tree.c (maybe_canonicalize_argtypes): New.
38 (build_function_type): Set canonical type.
39 (build_method_type_directly): Ditto.
40 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
41 properly.
42
43 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
44
45 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
46 like PLUS_EXPR.
47 (rewrite_use_nonlinear_expr): Likewise.
48
49 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
50
51 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
52
53 2007-07-04 Ben Elliston <bje@au.ibm.com>
54
55 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
56 of this file.
57
58 * c-objc-common.c (c_types_compatible_p): Fix indentation.
59
60 * doc/tm.texi (Run-time Target): Capitalise "CPU".
61 (Exception Handling): Likewise.
62
63 2007-07-03 Jan Hubicka <jh@suse.cz>
64
65 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
66
67 2007-07-03 Eric Christopher <echristo@apple.com>
68
69 * doc/cppopts.texi: Add conflicting option note to -dM.
70 * doc/invoke.texi: Add note about possible conflicts with
71 -E for -dCHARS and note that -dM will not produce
72 any results if there is no machine dependent reorg.
73
74 2007-07-03 Geoffrey Keating <geoffk@apple.com>
75
76 * tree.h (DECL_ALIGN): Back out previous change.
77
78 2007-07-03 Joseph Myers <joseph@codesourcery.com>
79
80 * configure.ac: Test for .dtprelword support on MIPS.
81 * configure, config.in: Regenerate.
82 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
83 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
84
85 2007-07-03 Julian Brown <julian@codesourcery.com>
86
87 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
88 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
89 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
90 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
91 capability.
92 (all_fpus): Add FPUTYPE_VFP3.
93 (fp_model_for_fpu): Add VFPv3 field.
94 (arm_rtx_costs_1): Give cost to VFPv3 constants.
95 (vfp3_const_double_index): New function. Return integer index of
96 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
97 isn't suitable.
98 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
99 and argument represents a valid RTX for a VFPv3 constant.
100 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
101 two instructions.
102 (vfp_emit_fstmd): Similar, for fstmd.
103 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
104 constants, represented as integer indices.
105 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
106 VFP_REGNO_OK_FOR_DOUBLE macros.
107 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
108 (arm_file_start): Set float-abi attribute for VFPv3, and output
109 correct ".fpu" assembler directive.
110 (arm_dbx_register_numbering): Add FIXME.
111 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
112 (fputype): Add FPUTYPE_VFP3.
113 (FIXED_REGISTERS): Add 32 registers for D16-D31.
114 (CALL_USED_REGISTERS): Likewise.
115 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
116 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
117 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
118 (D7_VFP_REGNUM): New.
119 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
120 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
121 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
122 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
123 (REG_ALLOC_ORDER): Adjust for VFPv3.
124 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
125 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
126 VFP_LO_REGS, VFP_HI_REGS.
127 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
128 (IS_VFP_CLASS): Define macro.
129 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
130 IS_VFP_CLASS.
131 (REGISTER_MOVE_COST): Likewise.
132 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
133 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
134 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
135 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
136 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
137 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
138 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
139 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
140 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
141 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
142 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
143 where appropriate for single-word registers.
144 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
145 As above. Fix type attributes.
146 * config/arm/constraints.md (register_contraint "t"): Define.
147 (register_constraint "w"): Change to D0-D15, or D0-D31 for
148 VFPv3/NEON.
149 (register_constraint "x"): Define.
150 (constraint "Dv"): Define.
151
152 2007-07-03 Geoffrey Keating <geoffk@apple.com>
153
154 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
155
156 2007-07-03 Tom Tromey <tromey@redhat.com>
157
158 * c-parser.c (objc_pq_context): Removed.
159 (objc_need_raw_identifier): Likewise.
160 (c_parser) <objc_pq_context>: New field.
161 <objc_need_raw_identifier>: Likewise.
162 (OBJC_NEED_RAW_IDENTIFIER): Removed.
163 (c_lex_one_token): Update.
164 (c_parser_objc_protocol_definition): Update.
165 (c_parser_objc_method_definition): Update.
166 (c_parser_objc_methodproto): Update.
167 (c_parser_declspecs): Update.
168
169 2007-07-03 David Ung <davidu@mips.com>
170
171 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
172
173 2007-07-03 David Ung <davidu@mips.com>
174 Richard Sandiford <richard@codesourcery.com>
175
176 * doc/invoke.texi: Document -march=74kf3_2.
177 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
178 (TUNE_74K): Check for it.
179 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
180 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
181 * config/mips/mips.md (cpu): Add 74kf3_2.
182 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
183 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
184 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
185 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
186 74kf3_2 to the CPU list.
187 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
188 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
189 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
190 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
191 (r74kf3_2_fxfer_from_c1): New insn reservations.
192
193 2007-07-03 Richard Sandiford <richard@codesourcery.com>
194 David Ung <davidu@mips.com>
195
196 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
197 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
198 and 74k[fx]. Document aliases for the new options.
199 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
200 (PROCESSOR_24KF2_1): ...this.
201 (PROCESSOR_24KX): Rename to...
202 (PROCESSOR_24KF1_1): ...this.
203 (PROCESSOR_74KF): Rename to...
204 (PROCESSOR_74KF2_1): ...this.
205 (PROCESSOR_74KX): Rename to...
206 (PROCESSOR_74KF1_1): ...this.
207 (TUNE_74K): Update PROCESSOR_* names.
208 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
209 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
210 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
211 (mips_rtx_cost_data): Update processor names in comments.
212 (mips_issue_rate): Update PROCESSOR_* names.
213 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
214 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
215 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
216 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
217 Update cpu attribute names.
218 (r24k_fpu_iss): Rename this reservation to...
219 (r24kf2_1_fpu_iss): ...this and update all uses.
220 (r24kx_fpu_iss): Rename this reservation to...
221 (r24kf1_1_fpu_iss): ...this and update all uses.
222 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
223 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
224 Update cpu attribute names.
225
226 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
227
228 * config/m32r/constraints.md: New file.
229 * config/m32r/m32r.c: Include tm-constrs.h.
230 (small_data_operand): Use satisfies_constraint_* instead of macro.
231 (addr24_operand, gen_compare): Likewise.
232 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
233 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
234 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
235 EXTRA_CONSTRAINT): Likewise.
236 * config/m32r/m32r.md: Include constraints.md.
237 (*movsi_insn): Use satisfies_constraint_* instead of macro.
238 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
239 * config/m32r/predicates.md (conditional_move_operand): Likewise.
240 (two_insn_const_operand, int8_operand, uint16_operand,
241 reg_or_int16_operand, reg_or_uint16_operand,
242 reg_or_cmp_int16_operand, cmp_int16_operand,
243 seth_add3_operand): Likewise.
244
245 2007-07-03 Eric Christopher <echristo@gmail.com>
246
247 * libgcc2.h: Conditionally declare __bswapsi2 and
248 __bswapdi2.
249
250 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
251
252 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
253 defined.
254
255 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
256
257 PR target/28307
258 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
259 (__gthrw_pragma): Provide default definition.
260 (__gthrw2): Use it.
261 * gthr-posix.c (__gthrw_pragma): Define.
262
263 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
264
265 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
266 before declaring inequality.
267
268 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
269
270 * combine.c (recog_for_combine): Log the success or failure of
271 matching new insn patterns against the machine description in
272 detailed dumps.
273
274 2007-07-03 Revital Eres <eres@il.ibm.com>
275
276 * ddg.c (print_sccs): New function.
277 (check_sccs): New function.
278 (create_ddg_all_sccs): Use it.
279 * ddg.h (print_sccs): Declare.
280 * modulo-sched.c (sms_order_nodes): Call print_sccs.
281
282 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
283
284 * targhooks.h (default_mode_for_suffix): New function declaration.
285 * targhooks.c (default_mode_for_suffix): New default target hook.
286 * target.h (struct c): New structure in the targetm struct.
287 (mode_for_suffix): New target hook as part of struct c.
288 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
289 default_mode_for_suffix.
290 (TARGET_C): New define.
291 * c-lex.c: Include "target.h".
292 (interpret_float): Use targetm.c.mode_for_suffix to determine
293 the mode for a given non-standard suffix.
294 Makefile.in (c-lex.o): Depend on $(TARGET_H).
295
296 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
297 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
298
299 * doc/extend.texi (Floating Types): New node. Document __float80 and
300 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
301
302 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
303
304 PR target/32506
305 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
306 predicate instead of target_operand.
307 (divsi3_i1_media, divsi3_media_2): Likewise.
308
309 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
310
311 * tree.h (alias_sets_might_conflict_p): Rename into
312 alias_sets_must_conflict_p.
313 * alias.c (alias_sets_might_conflict_p): Likewise.
314 (alias_sets_conflict_p): Use it.
315 (objects_must_conflict_p): Likewise.
316 * c-common.c (strict_aliasing_warning): Adjust.
317
318 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
319
320 * rtlhooks.c (gen_lowpart_if_possible): Check for
321 invalid subreg before calling gen_lowpart_SUBREG.
322
323 2007-07-02 Geoffrey Keating <geoffk@apple.com>
324
325 * config/darwin9.h: Add copyright notice.
326 (LINK_COMMAND_SPEC): Add comment.
327 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
328 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
329 DARWIN_LIBSYSTEM_HAS_UNWIND.
330
331 2007-07-02 Jakub Jelinek <jakub@redhat.com>
332
333 PR libgomp/32468
334 * omp-low.c (check_combined_parallel): New function.
335 (lower_omp_parallel): Call it via walk_stmts, set
336 OMP_PARALLEL_COMBINED if appropriate.
337 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
338 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
339 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
340 don't consider it as combined parallel.
341
342 2007-07-02 Richard Sandiford <richard@codesourcery.com>
343
344 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
345 (gcc_tooldir): Likewise.
346 * configure: Regenerate.
347 * Makefile.in (libsubdir_to_prefix): New variable, based on the
348 old configure.ac gcc_tooldir setting.
349 (prefix_to_exec_prefix): New variable.
350 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
351 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
352
353 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
354
355 Fix PR tree-optimization/32583
356 Fix PR tree-optimization/32584
357 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
358 (phi_translate_set): Use phi_translate directly now.
359 (make_values_for_stmt): Don't value number RHS if we already know
360 it is constant.
361
362 2007-07-02 Steve Ellcey <sje@cup.hp.com>
363 Jim Wilson <wilson@specifix.com>
364
365 PR target/31684
366 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
367 copy_insn.
368
369 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
370 Richard Sandiford <richard@codesourcery.com>
371 Nigel Stephens <nigel@mips.com>
372
373 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
374 (mips16e_output_save_restore): Declare.
375 (mips16e_save_restore_pattern_p): Likewise.
376 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
377 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
378 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
379 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
380 (BITSET_P): New global macro, extracted from...
381 (mips_for_each_saved_reg): ...here.
382 (mips16e_save_restore_info): New struct.
383 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
384 (mips16e_save_restore_regs): New variable.
385 (mips_split_plus, mips16e_find_first_register): New functions.
386 (mips16e_mask_registers): New function.
387 (compute_frame_size): Expand the commentary before the function.
388 Enforce the MIPS16e save and restore register range restrictions.
389 Pad the general register save area at the low end.
390 (mips16e_save_restore_reg, mips16e_build_save_restore)
391 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
392 (mips16e_output_save_restore, mips16e_collect_propagate_value)
393 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
394 New functions.
395 (mips_expand_prologue, mips_expand_epilogue): Handle
396 GENERATE_MIPS16E_SAVE_RESTORE.
397 * config/mips/mips.md (*mips16e_save_restore): New pattern.
398
399 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
400
401 PR tree-optimization/31966
402 PR tree-optimization/32533
403 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
404 "basic_block" description as its third argument. Update function
405 calls to get destination bb from "edge" argument. Save "cond" into
406 aux field of the edge. Update prototype for changed arguments.
407 (if_convertible_loop_p): Clear aux field of incoming edges if bb
408 contains phi node.
409 (find_phi_replacement_condition): Operate on incoming edges, not
410 on predecessor blocks. If there is a condition saved in the
411 incoming edge aux field, AND it with incoming bb predicate.
412 Return source bb of the first edge.
413 (clean_predicate_lists): Clean aux field of outgoing node edges.
414 (tree_if_conversion): Do not initialize cond variable. Move
415 variable declaration into the loop.
416 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
417 initializations of new_stmt, arg0 and arg1 variables.
418
419 2007-07-02 Jakub Jelinek <jakub@redhat.com>
420
421 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
422 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
423
424 2007-07-02 Richard Guenther <rguenther@suse.de>
425
426 * tree-ssa.c (useless_type_conversion_p): Document
427 future intent as defining the middle-end type system.
428 Re-structure to call langhook last, group by type class,
429 mark questionable parts.
430
431 2007-07-02 Richard Guenther <rguenther@suse.de>
432
433 * tree-flow.h (types_compatible_p): Declare.
434 * tree-ssa.c (types_compatible_p): New function.
435 * ipa-type-escape.c (discover_unique_type): Use
436 types_compatible_p instead of lang_hooks.types_compatible_p.
437 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
438 * tree-vn.c (expressions_equal_p): Likewise.
439 * tree.c (fields_compatible_p): Likewise.
440 * tree-ssa-dom.c (avail_expr_eq): Likewise.
441 (cprop_operand): Use useless_type_conversion_p instead of
442 lang_hooks.types_compatible_p.
443 * tree-inline.c (setup_one_parameter): Likewise.
444 (declare_return_variable): Likewise.
445 * tree-nrv.c (tree_nrv): Likewise.
446 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
447 (maybe_fold_offset_to_component_ref): Likewise.
448 (maybe_fold_offset_to_reference): Likewise.
449 * tree-ssa-copy.c (may_propagate_copy): Likewise.
450 (merge_alias_info): Likewise.
451 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
452 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
453 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
454 * tree-tailcall.c (find_tail_calls): Likewise.
455 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
456 * gimplify.c (canonicalize_addr_expr): Likewise.
457 (fold_indirect_ref_rhs): Likewise.
458 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
459 (cpt_same_type): Likewise.
460 (check_pointer_types_r): Swap parameters to cpt_same_type
461 where appropriate.
462 * fold-const.c (fold_convert): Revert fix for PR15988.
463 * tree-inline.c (setup_one_parameter): Instead fix it here by
464 using fold_build1 instead of fold_convert and checking for
465 error_mark_node. Convert only if the conversion is necessary.
466
467 2007-07-02 Joseph Myers <joseph@codesourcery.com>
468
469 * configure.ac: Check for .gnu_attribute on Power.
470 * configure: Regenerate.
471 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
472 attribute for floating-point ABI.
473
474 2007-07-02 Ira Rosen <irar@il.ibm.com>
475
476 PR tree-optimization/32230
477 PR tree-optimization/32477
478 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
479 address is a constant.
480
481 2007-07-02 Richard Sandiford <richard@codesourcery.com>
482
483 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
484 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
485 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
486 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
487 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
488 64-bit targets. Add support for *-elfoabi*.
489 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
490 different settings if $(tm_defines) does not select the EABI.
491 (MULTILIB_EXCLUSIONS): Define in those circumstances.
492 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
493 (MIPS_ARCH_OPTION_SPEC): Likewise.
494 (MIPS_ISA_LEVEL_SPEC): Likewise.
495 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
496 * config/mips/elfoabi.h: New file.
497
498 2007-07-02 Richard Guenther <rguenther@suse.de>
499
500 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
501 (useless_type_conversion_p): ... this.
502 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
503 (useless_type_conversion_p): ... this.
504 * builtins.c (fold_builtin_memory_op): Rename
505 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
506 * tree-cfg.c (verify_expr): Likewise.
507 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
508 * tree-ssa-ccp.c (ccp_fold): Likewise.
509 * tree-ssa-copy.c (may_propagate_copy): Likewise.
510 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
511 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
512 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
513 * tree-ssa-pre.c (eliminate): Likewise.
514 * tree-ssa.c (delete_tree_ssa): Likewise.
515 (tree_ssa_useless_type_conversion): Likewise.
516 * tree.c (build2_stat): Likewise.
517
518 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
519
520 Fix PR tree-optimization/32571
521 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
522 simplifying them.
523
524 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
525
526 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
527 and other expected operations explicitly, change default to
528 gcc_unreachable.
529
530 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
531
532 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
533 PARALLEL.
534 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
535 (tls_load_dot_plus_eight): Move the label number into the unspec.
536 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
537
538 2007-07-01 Andreas Schwab <schwab@suse.de>
539
540 * dwarf2out.c (initial_return_save): Define only if used.
541
542 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
543
544 Unreverting Richard's Revert of:
545
546 2007-06-27 Richard Sandiford <richard@codesourcery.com>
547
548 * dce.c (deletable_insn_p_1): New function, split out from...
549 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
550 specially, not those inside PARALLELs. Remove BODY argument
551 and adjust recursive call accordingly.
552 (prescan_insns_for_dce): Update call to delete_insn_p.
553
554 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
555 Revital Eres <eres@il.ibm.com>
556
557 * ddg.c (create_ddg_all_sccs): Fix missed
558 initialization of scc_nodes.
559
560 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
561
562 PR middle-end/32559
563 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
564 X + ~X to 1 only for INTEGRAL_TYPE_P type.
565
566 2007-06-30 Joseph Myers <joseph@codesourcery.com>
567
568 * configure.ac: Check for .gnu_attribute on MIPS.
569 * configure, config.in: Regenerate.
570 * config/mips/mips.c (mips_file_start): If supported, output
571 attribute for floating-point ABI.
572
573 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
574
575 PR target/32433
576 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
577 (ffs_cmove): New expander to expand using ctz pattern.
578 (*ffs_cmove): Remove pattern.
579 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
580 (ffsdi2): Expand using ctz pattern.
581 (*ffs_rex64): Remove pattern.
582
583 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
584
585 PR rtl-optimization/32296
586 * pa.md (return): Delete pattern.
587 (return_internal): Remove "(const_int 1)" from pattern.
588 (epilogue): Use return_internal pattern for trivial returns.
589 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
590 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
591
592 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
593
594 * tree-ssa-pre.c (is_exception_related): New function
595 (can_value_number_operation): Use it.
596
597 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
598
599 Fix PR tree-optimization/32540
600 Fix PR tree-optimization/31651
601
602 * tree-ssa-sccvn.c: New file.
603
604 * tree-ssa-sccvn.h: Ditto.
605
606 * tree-vn.c: Include tree-ssa-sccvn.h
607 (val_expr_paid_d): Removed.
608 (value_table): Ditto.
609 (vn_compute): Ditto.
610 (val_expr_pair_hash): Ditto.
611 (val_expr_pair_expr_eq): Ditto.
612 (copy_vuses_from_stmt): Ditto.
613 (vn_delete): Ditto.
614 (vn_init): Ditto.
615 (shared_vuses_from_stmt): Ditto.
616 (print_creation_to_file): Moved up.
617 (sort_vuses): Ditto.
618 (sort_vuses_heap): Ditto.
619 (set_value_handle): Make non-static.
620 (make_value_handle): Ditto.
621 (vn_add): Rewritten to use sccvn lookups.
622 (vn_add_with_vuses): Ditto.
623 (vn_lookup): Ditto (and second argument removed).
624 (vn_lookup_with_vuses): Ditto.
625 (vn_lookup_or_add): Ditto (and second argument removed);
626 (vn_lookup_or_add_with_vuses): Ditto.
627 (vn_lookup_with_stmt): New.
628 (vn_lookup_or_add_with_stmt): Ditto.
629 (create_value_handle_for_expr): Ditto.
630
631 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
632 (seen_during_translate): New function.
633 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
634 (phi_trans_add): Ditto.
635 (constant_expr_p): FIELD_DECL is always constant.
636 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
637 Use constant_expr_p.
638 Avoid infinite recursion on mutually valued expressions.
639 Change callers of vn_lookup_or_add.
640 (phi_translate): New function.
641 (compute_antic_safe): Allow phi nodes.
642 (create_component_ref_by_pieces): Update for FIELD_DECL change.
643 (find_or_generate_expression): Rewrite slightly.
644 (create_expression_by_pieces): Updated for vn_lookup_or_add
645 change.
646 Update VN_INFO for new names.
647 (insert_into_preds_of_block): Update for new names.
648 (add_to_exp_gen): New function.
649 (add_to_sets): Use vn_lookup_or_add_with_stmt.
650 (find_existing_value_expr): Rewrite to changed vn_lookup.
651 (create_value_expr_from): Ditto, and use add_to_exp_gen.
652 (try_look_through_load): Removed.
653 (try_combine_conversion): Ditto.
654 (get_sccvn_value): New function.
655 (make_values_for_phi): Ditto.
656 (make_values_for_stmt): Ditto.
657 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
658 SCCVN.
659 (init_pre): Update for SCCVN changes.
660 (fini_pre): Ditto.
661 (execute_pre): Ditto.
662
663 * tree-flow.h (make_value_handle): Declare.
664 (set_value_handle): Ditto.
665 (sort_vuses_heap): Ditto.
666 (vn_lookup_or_add_with_stmt): Ditto.
667 (vn_lookup_with_stmt): Ditto.
668 (vn_compute): Remove.
669 (vn_init): Ditto.
670 (vn_delete): Ditto.
671 (vn_lookup): Update arguments.
672
673 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
674 (tree-vn.o): Ditto.
675 (tree-ssa-sccvn.o): New.
676 (OBJS-common): Add tree-ssa-sccvn.o
677
678 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
679
680 PR c/4076
681 * c-typeck.c (build_external_ref): Don't mark as used if called
682 from itself.
683 * calls.c (rtx_for_function_call): Likewise.
684
685 2007-06-30 Richard Sandiford <richard@codesourcery.com>
686
687 Revert:
688
689 2007-06-27 Richard Sandiford <richard@codesourcery.com>
690
691 * dce.c (deletable_insn_p_1): New function, split out from...
692 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
693 specially, not those inside PARALLELs. Remove BODY argument
694 and adjust recursive call accordingly.
695 (prescan_insns_for_dce): Update call to delete_insn_p.
696
697 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
698
699 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
700 (try_combine): Move potential calls to undo_all() so they happen
701 before we commit to using the combined insns.
702
703 2006-06-30 Jan Hubicka <jh@suse.cz>
704
705 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
706 code.
707
708 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
709
710 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
711 (cgraph_remove_unreachable_nodes): Likewise.
712 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
713 * ipa-inline.c (update_caller_keys): Cast according to the coding
714 conventions.
715 (cgraph_decide_recursive_inlining): Likewise.
716 (cgraph_decide_inlining_of_small_function): Likewise.
717 (try_inline): Likewise.
718 (cgraph_decide_inlining_incrementally): Likewise.
719 * ipa-pure-const.c (get_function_state): Likewise.
720 (scan_function): Likewise.
721 (analyze_function): Likewise.
722 (static_execute): Likewise.
723 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
724 (merge_callee_local_info): Likewise.
725 (analyze_function): Use type safe memory macros.
726 (static_execute): Likewise. Cast according to the coding conventions.
727 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
728 conventions.
729 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
730 names.
731 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
732 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
733 variable names.
734
735 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
736
737 PR middle-end/30024
738 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
739 for complex modes (both int and real).
740
741 2007-06-29 Jan Hubicka <jh@suse.cz>
742
743 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
744
745 2007-06-29 Jan Hubicka <jh@suse.cz>
746
747 PR middle-end/32372
748 * cse.c (cse_insn): Avoid invalid sharing in between register note and
749 the insn pattern.
750
751 2007-06-29 Anatoly Sokolov <aesok@post.ru>
752
753 PR target/32335
754 * config/avr/avr.c: Include dataflow header file.
755 (expand_prologue): Adjust for prologue insn change.
756 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
757 inside a insn.
758
759 2007-06-29 Richard Guenther <rguenther@suse.de>
760
761 PR middle-end/32493
762 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
763 during type verification.
764
765 2007-06-29 Jan Hubicka <jh@suse.cz>
766
767 * recog.c (validate_change_rtx_1): Unshare TO argument.
768
769 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
770
771 PR tree-optimization/24659
772 * tree-vect-transform.c (vectorizable_call): Handle
773 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
774
775 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
776 * config/i386/i386.c (enum ix86_builtins)
777 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
778 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
779 description.
780 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
781 const using def_builtin_const.
782 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
783 input operands in the same modes as the result.
784 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
785
786 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
787
788 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
789 (df_set_dead_notes_for_mw): Likewise.
790
791 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
792
793 * c-common.c (pointer_int_sum): Do the negation in sizetype.
794
795 2007-06-28 DJ Delorie <dj@redhat.com>
796
797 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
798
799 2007-06-28 Geoffrey Keating <geoffk@apple.com>
800
801 * doc/invoke.texi (C++ Dialect Options): Document
802 fvisibility-ms-compat.
803 * c.opt (fvisibility-ms-compat): New.
804
805 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
806
807 PR tree-opt/32417
808 * tree-affine.c (aff_combination_add_elt): Handle
809 pointer addition specially.
810
811 2007-06-28 Jakub Jelinek <jakub@redhat.com>
812
813 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
814 decl is non-external for AIX ABI.
815
816 2007-06-28 David Edelsohn <edelsohn@gnu.org>
817
818 * config/rs6000/predicates.md (current_file_function_operand):
819 Ensure the symbol is non-external for AIX ABI.
820
821 2007-06-28 Nick Clifton <nickc@redhat.com>
822
823 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
824 (fdce, fdse, fpredictive-commoning): Likewise.
825
826 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
827
828 PR other/31400
829 * gcc.c (process_command): Recognize the new -static-libgfortran
830 option.
831
832 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
833
834 PR target/32418
835 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
836 Use a call clobbered hard reg instead of a pseudo reg.
837
838 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
839
840 * config/sh/sh.md (load_gbr): Use correct operand constraint.
841
842 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
843
844 PR target/32479
845 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
846 REG_LIBCALL and REG_RETVAL notes.
847 (divsi3, mulsi3): Likewise.
848 (mulhisi3): Likewise. Use emit_libcall_block.
849 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
850
851 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
852
853 PR rtl-optimization/32481
854 * combine.c (adjust_for_new_dest): Rescan the changed insn.
855
856 2007-06-27 Richard Sandiford <richard@codesourcery.com>
857
858 * dce.c (deletable_insn_p_1): New function, split out from...
859 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
860 specially, not those inside PARALLELs. Remove BODY argument
861 and adjust recursive call accordingly.
862 (prescan_insns_for_dce): Update call to delete_insn_p.
863
864 2007-06-27 Richard Guenther <rguenther@suse.de>
865
866 PR middle-end/32492
867 * tree.h (fold_convertible_p): Declare.
868 * fold-const.c (fold_convertible_p): New function.
869 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
870 instead of lang_hooks.types_compatible_p.
871
872 2007-06-26 Jan Hubicka <jh@suse.cz>
873
874 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
875 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
876 early use validate_unshare_change.
877 (reload_combine): Likewise.
878 * recog.c (change_t): New field unshare.
879 (validate_change_1): Rename from validate_change; add argument unshare.
880 (validate_change): Turn into wrapper of validate_change_1; update
881 prototype for bools.
882 (validate_unshare_change): New.
883 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
884 calls of df_insn_rescan.
885 * recog.h (validate_change): Replace ints by bools.
886 (validate_unshare_change): Declare.
887
888 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
889
890 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
891
892 2007-06-26 Steve Ellcey <sje@cup.hp.com>
893
894 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
895
896 2007-06-25 Jan Hubicka <jh@suse.cz>
897
898 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
899 uninlinable call.
900 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
901 cgraph_decide_inlining_incrementally): Move uninlinability checks to
902 places other call site specific checks are performed.
903
904 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
905
906 PR tree-opt/32421
907 * tree-vect-transform.c (vectorizable_operation): Convert
908 POINTER_PLUS_EXPR over to PLUS_EXPR.
909
910 2007-06-25 Chao-ying Fu <fu@mips.com>
911
912 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
913 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
914 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
915 Document GET_MODE_IBIT, and GET_MODE_FBIT.
916
917 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
918 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
919 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
920 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
921 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
922 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
923 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
924 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
925 ALL_FIXED_POINT_MODE_P): New define.
926 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
927 MODE_UACCUM.
928 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
929
930 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
931 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
932 MODE_VECTOR_UACCUM): New mode classes.
933
934 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
935 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
936 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
937 USA, UDA, and UTA.
938
939 * genmodes.c (struct mode_data): Add ibit and fbit fields.
940 (blank_mode): Initialize ibit and fbit.
941 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
942 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
943 (new_adjust): Change required_class to required_class_from and
944 required_class_to for testing within a range.
945 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
946 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
947 MODE_VECTOR_UACCUM.
948 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
949 (make_fixed_point_mode): New.
950 (_ADD_ADJUST): Change C to C1 and C2.
951 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
952 use a range for machine classes.
953 (ADJUST_IBIT, ADJUST_FBIT): New.
954 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
955 CONST_MODE_FBIT.
956 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
957 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
958 Emit adjustment for ibit and fbit.
959 (emit_mode_ibit, emit_mode_fbit): New.
960 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
961
962 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
963
964 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
965 as the source of the set.
966
967 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
968
969 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
970 FP_REGNO_P): Use IN_RANGE.
971 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
972 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
973 (DATA_REG_P): Use DATA_REGNO_P.
974 (FP_REG_P): Use FP_REGNO_P.
975 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
976 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
977 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
978
979 2007-06-24 Jan Hubicka <jh@suse.cz>
980
981 PR middle-end/30563
982 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
983
984 2007-06-24 Sebastian Pop <sebpop@gmail.com>
985
986 PR middle-end/32461
987 * fold-const.c (fold_binary): Strip nops of operand 0
988 of BIT_NOT_EXPR before calling operand_equal_p.
989 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
990 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
991
992 2007-06-23 Mark Mitchell <mark@codesourcery.com>
993
994 * doc/extend.texi: Document that dllimport and dllexport imply
995 default visibility.
996 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
997 imported or exported declaration, including type declarations.
998 * c-common.c (handle_visibility_attribute): Check for conflicts
999 with dllimport/dllexport.
1000 (c_determine_visibility): Handle dllimport/dllexport as an
1001 explicit visibility atttribute.
1002
1003 2007-06-23 Richard Guenther <rguenther@suse.de>
1004
1005 PR tree-optimization/16876
1006 PR middle-end/29478
1007 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1008 for CALL_EXPRs.
1009 * tree-inline.c (initialize_inlined_parameters): Do not call
1010 lang_hooks.tree_inlining.convert_parm_for_inlining.
1011 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1012 reason for mismatched types.
1013 * gimplify.c (gimplify_call_expr): Verify the call expression
1014 arguments match the called function type signature. Otherwise
1015 mark the call expression to be not considered for inlining
1016 using CALL_CANNOT_INLINE_P flag.
1017 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1018 edges call expression.
1019 (cgraph_decide_inlining_of_small_function): Likewise.
1020 (cgraph_decide_inlining): Likewise.
1021 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1022 Remove define.
1023 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1024 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1025 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1026 Remove declaration.
1027 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1028 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1029 Remove.
1030 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1031 convert_parm_for_inlining member.
1032
1033 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1034
1035 PR target/31152
1036 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1037 Remove optimization for GT.
1038
1039 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1040
1041 PR middle-end/32437
1042 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1043 is a PARALLEL.
1044 (prescan_insns_for_dce): Add extra parameter.
1045
1046 2007-06-23 Jan Hubicka <jh@suse.cz>
1047
1048 PR middle-end/31541
1049 * gimplify.c (mark_addressable): New function.
1050 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1051
1052 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1053
1054 PR middle-end/32374
1055 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1056
1057 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1058
1059 PR target/32413
1060 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1061 moves between MMX/SSE registers to at least 8 units to prevent
1062 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1063
1064 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1065
1066 * config/i386/i386.c (override_options): Correct x86_sahf
1067 setting condition.
1068
1069 2007-06-21 David Daney <ddaney@avtrex.com>
1070
1071 PR target/32406
1072 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1073 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1074 (exception_receiver): Renamed to ...
1075 (nonlocal_goto_receiver): ... this.
1076
1077 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1078
1079 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1080 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1081 partial register accesses.
1082
1083 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1084
1085 * fold-const.c (debug_fold_checksum): Move it under
1086 ENABLE_FOLD_CHECKING.
1087
1088 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1089
1090 PR middle-end/20623
1091 * tree.h (debug_fold_checksum): Declared.
1092 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1093 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1094 build_fold_addr_expr_with_type_1.
1095 (fold_addr_expr, debug_fold_checksum): New.
1096 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1097 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1098 Use fold_addr_expr.
1099
1100 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1101
1102 PR tree-optimization/19590
1103 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1104 of scev is a constant.
1105 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1106
1107 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1108
1109 * df-problems.c (df_note_bb_compute): Made computation of live
1110 info consistent with df_lr.
1111
1112 2007-06-21 Richard Guenther <rguenther@suse.de>
1113
1114 PR tree-optimization/32453
1115 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1116 for pointer anti-range.
1117
1118 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1119
1120 * config/i386/i386.c (processor_target_table): Increase maximum
1121 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1122 default 64bit.
1123
1124 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1125 byte alignment if > 8 byte alignment is preferred.
1126 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1127
1128 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1129
1130 PR tree-optimization/31866
1131 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1132 if ASM_EXPR's input is not a SSA_NAME.
1133
1134 PR middle-end/32362
1135 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1136 but decl is a global var, instead return decl.
1137 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1138 even for is_global_var decls, if they are private in some outer
1139 context.
1140
1141 2007-06-21 Richard Guenther <rguenther@suse.de>
1142
1143 PR tree-optimization/32451
1144 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1145
1146 2007-06-21 Christian Bruel <christian.bruel@st.com>
1147
1148 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1149 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1150 (push_regs): Changed saving order or banked registers.
1151 (sh_expand_epilogue): Likewise.
1152 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1153 (FIRST_BANKED_REG): Likewise.
1154 (LAST_BANKED_REG): Likewise.
1155 * config/sh/sh.md (banked) New attribute.
1156 (in_delay_slot): Check banked attribute.
1157
1158 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1159
1160 PR tree-optimization/32075
1161 * tree-data-ref.c (subscript_dependence_tester_1,
1162 analyze_miv_subscript, analyze_overlapping_iterations,
1163 add_distance_for_zero_overlaps, build_classic_dist_vector,
1164 subscript_dependence_tester_1, analyze_overlapping_iterations,
1165 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1166 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1167 to evolution_function_is_affine_multivariate_p.
1168
1169 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1170
1171 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1172
1173 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1174
1175 PR target/32335
1176 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1177 for TARGET_A16.
1178 * config/m32c/prologue.md (epilogue_exitd_16): New.
1179 (epilogue_reit_16): New.
1180 (epilogue_exitd): Rename to epilogue_exitd_24.
1181 (epilogue_reit): Rename to epilogue_reit_24.
1182
1183 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1184 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1185
1186 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1187 New counters.
1188 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1189 if dbg_cnt (sched_insn) reaches the limit.
1190 (choose_ready): New parameter INSN_PTR and new return value.
1191 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1192 the new return value from choose_ready.
1193 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1194 (rest_of_handle_global_alloc): New global_alloc_at_func.
1195
1196 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1197
1198 PR tree-optimization/25737
1199 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1200 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1201 * tree-flow.h (struct fieldoff): Add new field alias_set.
1202 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1203 argument addressable_type. Set alias_set of fieldoff.
1204 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1205 (create_overlap_variables_for): Pass alias_set from fieldoff to
1206 create_sft.
1207 * alias.c (get_alias_set): Use alias_set from SFT if set.
1208
1209 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1210
1211 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1212 of a variable as an unsigned HOST_WIDE_INT integer.
1213
1214 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1215
1216 PR rtl-optimization/32405
1217 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1218
1219 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1220
1221 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1222
1223 PR middle-end/31959
1224 * builtins.c: Include diagnostic.h.
1225 (expand_builtin_expect): Make gcc_assert more permissive.
1226 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1227
1228 PR inline-asm/32109
1229 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1230 and !allows_mem.
1231
1232 PR middle-end/32285
1233 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1234 if ACCUMULATE_OUTGOING_ARGS.
1235
1236 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1237
1238 * config/m68hc11/m68hc11.c: Include dataflow header file.
1239 (m68hc11_reorg): Port to dataflow.
1240
1241 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1242
1243 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
1244 (struct df_problem.free_blocks_on_set_blocks): New field.
1245 (struct dataflow.optional_p): New field.
1246 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1247 (df_live_set_all_dirty): New function.
1248 * df-scan.c (df_scan_alloc): Initialize optional_p.
1249 (problem_SCAN): Initialize free_blocks_on_set_blocks.
1250 * df-core.c (df_set_blocks): Removed use of
1251 DF_FIRST_OPTIONAL_PROBLEM. Now uses
1252 df_problem.free_blocks_on_set_blocks to determine which blocks are
1253 recycled.
1254 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
1255 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
1256 uses dataflow.optional_p to determine if problem should be
1257 deleted.
1258 (rest_of_handle_df_initialize): Only start live problem if
1259 -02 or above.
1260 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1261 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
1262 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
1263 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
1264 problem_NOTE): Initialize free_blocks_on_set_blocks.
1265 (df_lr_bb_local_compute): Recompute luids if df_live problem is
1266 not active.
1267 (df_live_set_all_dirty, df_note_alloc): New function.
1268 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
1269 df_get_live_*.
1270 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
1271 * postreload.c (reload_combine): Ditto.
1272 * cse.c (cse_extended_basic_block): Ditto.
1273 * regmove.c (mark_flags_life_zones): Ditto.
1274 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
1275 erase_matching_seqs): Ditto.
1276 * bt-load.c (compute_defs_uses_and_gen): Ditto.
1277 * integrate (allocate_initial_values): Ditto.
1278 * combine.c (reg_dead_at_p): Ditto.
1279 * resource.c (mark_target_live_regs): Ditto.
1280 * sched-rgn.c (check_live_1, update_live_1): Ditto.
1281 * config/sh/sh.c (find_r0_life_regions): Ditto.
1282 * global.c (rest_of_handle_global_alloc): Only add back df_live
1283 for -O > 1.
1284 * local-alloc.c (rest_of_handle_local_alloc): Only remove
1285 df_live for -O > 1.
1286 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
1287 df_get_live_*.
1288 (if_convert): Make sure df_live is there at -O == 1.
1289 (pass_if_after_combine): Cleanup flags.
1290 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
1291 is there at -O == 1.
1292
1293 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
1294
1295 * config/arm/arm.c (arm_get_frame_offsets): Set
1296 offsets->locals_base to avoid negative stack size.
1297 (thumb1_expand_prologue): Assert on negative stack size.
1298
1299 2007-04-19 Sebastian Pop <sebpop@gmail.com>
1300
1301 PR tree-optimization/32367
1302 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
1303 of the chrec has no evolution in that loop.
1304 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
1305
1306 2007-06-19 Bob Wilson <bob.wilson@acm.org>
1307
1308 * config/xtensa/xtensa.c: Include "df.h".
1309 (xtensa_builtin_saveregs): Use adjust_address instead of change_address.
1310 (xtensa_va_start): Invoke make_tree with sizetype for
1311 expand_builtin_saveregs and then convert the result to a pointer.
1312 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
1313 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
1314 Subtract argument size from index value as integers and then use
1315 POINTER_PLUS_EXPR to add the result to the array address.
1316
1317 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1318
1319 PR target/32335
1320 * config/m32c/m32c.c: Include dataflow header file.
1321 (m32c_emit_prologue): Adjust for prologue insn change.
1322 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
1323 once inside a PARALLEL. Assume frame size passed in operand 0
1324 includes space to save the fb register.
1325 (prologue_enter_24): Likewise.
1326 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
1327
1328 2007-06-19 David Daney <ddaney@avtrex.com
1329
1330 PR target/32313
1331 * config/mips/mips.md (cprestore): Mark $gp as used.
1332
1333 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1334
1335 PR target/32369
1336 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
1337 (frv_ifcvt_modify_insn): Likewise.
1338
1339 2007-06-19 Richard Guenther <rguenther@suse.de>
1340
1341 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
1342 only handle positive offsets that fit in a HOST_WIDE_INT.
1343
1344 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
1345
1346 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
1347 result of rsqrt insn for zero input argument to avoid NaN.
1348
1349 2007-06-19 Richard Guenther <rguenther@suse.de>
1350
1351 PR middle-end/31950
1352 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
1353
1354 2007-06-19 Jakub Jelinek <jakub@redhat.com>
1355
1356 PR tree-optimization/32353
1357 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
1358
1359 2007-06-19 Nick Clifton <nickc@redhat.com>
1360
1361 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
1362
1363 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1364
1365 PR target/32389
1366 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
1367 * config/i386/i386.c (assign_386_stack_local): Assert that
1368 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
1369 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
1370 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
1371 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
1372
1373 2007-06-18 Steve Ellcey <sje@cup.hp.com>
1374
1375 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
1376
1377 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
1378
1379 PR rtl-optimization/32321
1380 * gcse.c (replace_store_insn): Update the note before
1381 calling emit_insn_after.
1382
1383 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1384
1385 PR middle-end/32355
1386 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
1387 cse_main.
1388 * df-problems.c (df_note_bb_compute): Fix dumping info.
1389
1390 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
1391
1392 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
1393 insn with emit_jump_insn.
1394
1395 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1396
1397 PR tree-optimization/32383
1398 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
1399 * targhooks.h (default_builtin_reciprocal): Update prototype.
1400 * target.h (struct gcc_target): Update builtin_reciprocal.
1401 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
1402 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
1403 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
1404 when fndecl is in BUILT_IN_MD class.
1405 (execute_convert_to_rsqrt): Ditto.
1406
1407 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
1408 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
1409 Convert BUILT_IN_SQRTF code only when md_fn is false.
1410
1411 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
1412
1413 * bt-load.c (move_btr_def): Fix the order of arguments
1414 to validate_replace_rtx.
1415
1416 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
1417
1418 * config/m68k/m68k-devices.def: Add 54450..54455.
1419
1420 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
1421
1422 PR rtl-optimization/32366
1423 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
1424 FLOAT_EXTEND]: Prevent non-scalar modes from entering
1425 significand_size.
1426
1427 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
1428
1429 PR middle-end/32349
1430 * modulo-sched (generate_reg_moves): Added rescan parameter and if
1431 this is true, rescan insn being modified.
1432 (sms_schedule): Added rescan parameter.
1433 (rest_of_handle_sms): Moved freeing of dominance info to before
1434 getting out of cfg_layout.
1435
1436 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
1437
1438 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
1439 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
1440 appropriate.
1441
1442 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
1443 FL_CF_EMAC from the entry for isac.
1444
1445 * config/m68k/predicates.md (const_call_operand): Adjust comment.
1446 (const_sibcall_operand): New.
1447 (sibcall_operand): Use it.
1448 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
1449 (m68k_isas): ISAC does not imply FPU or EMAC.
1450 (override_options): Add ISA_C logic for symbolic jump & call.
1451
1452 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1453
1454 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
1455 return mode from the builtin itself.
1456 (sparc_fold_builtin): Fix cast of zero constant.
1457
1458 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1459
1460 * targhooks.c (default_builtin_reciprocal): New default target hook.
1461 * targhooks.h (default_builtin_reciprocal): Add prototype.
1462 * hooks.c (hook_tree_tree_bool_null): Remove hook.
1463 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
1464 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
1465 default_builtin_reciprocal.
1466
1467 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1468
1469 PR middle-end/31723
1470 * hooks.c (hook_tree_tree_bool_null): New hook.
1471 * hooks.h (hook_tree_tree_bool_null): Add prototype.
1472 * tree-pass.h (pass_convert_to_rsqrt): Declare.
1473 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
1474 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
1475 and convert it to reciprocal a*rfunc(b).
1476 (execute_convert_to_rsqrt): New function.
1477 (gate_convert_to_rsqrt): New function.
1478 (pass_convert_to_rsqrt): New pass definition.
1479 * target.h (struct gcc_target): Add builtin_reciprocal.
1480 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
1481 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
1482 TARGET_BUILTIN_RECIPROCAL.
1483 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
1484
1485 * config/i386/i386.h (TARGET_RECIP): New define.
1486 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
1487 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1488 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1489 and not optimizing for size.
1490 (*rcpsf2_sse): New insn pattern.
1491 (*rsqrtsf2_sse): Ditto.
1492 (rsqrtsf2): New expander. Expand 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 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
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 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
1501 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1502 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1503 and not optimizing for size.
1504 (*sse_rsqrtv4sf2): Do not export.
1505 (sqrtv4sf2): Ditto.
1506 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
1507 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1508 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1509 and not optimizing for size.
1510 (sqrtv4sf2): Ditto.
1511 * config/i386/i386.opt (mrecip): New option.
1512 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
1513 (ix86_emit_swsqrtsf): Ditto.
1514 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
1515 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
1516 builtin definition.
1517 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
1518 ix86_expand_unop1_builtin.
1519 (ix86_emit_swdivsf): New function.
1520 (ix86_emit_swsqrtsf): Ditto.
1521 (ix86_builtin_reciprocal): New function.
1522 (TARGET_BUILTIN_RECIPROCAL): Use it.
1523 (ix86_vectorize_builtin_conversion): Rename from
1524 ix86_builtin_conversion.
1525 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
1526 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
1527 "i386 and x86_64 Options" section.
1528 (Intel 386 and AMD x86_64 Options): Document -mrecip.
1529
1530 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1531 Zdenek Dvorak <dvorakz@suse.cz>
1532 Richard Guenther <rguenther@suse.de>
1533 Kaz Kojima <kkojima@gcc.gnu.org>
1534
1535 * tree-vrp.c (compare_values_warnv): Convert val2 to
1536 the type of val1.
1537 (extract_range_from_assert): Create
1538 POINTER_PLUS_EXPR for pointer types.
1539 (extract_range_from_binary_expr): Handle
1540 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
1541 for pointer types.
1542 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
1543 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
1544 POINTER_PLUS_EXPR as PLUS_EXPR.
1545 (number_of_iterations_lt_to_ne):
1546 For pointer types, use sizetype when
1547 creating MINUS_EXPR/PLUS_EXPRs.
1548 (assert_loop_rolls_lt): For pointer types, use sizetype when
1549 creating MINUS_EXPR/PLUS_EXPRs.
1550 (number_of_iterations_le): Likewise.
1551 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
1552 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
1553 like PLUS_EXPR and MINUS_EXPR.
1554 * tree-pretty-print.c (dump_generic_node): Handle
1555 POINTER_PLUS_EXPR.
1556 (op_prio): Likewise.
1557 (op_symbol_1): Likewise.
1558 * optabs.c (optab_for_tree_code): Likewise.
1559 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
1560 specially.
1561 * tree-tailcall.c (process_assignment): Mention
1562 POINTER_PLUS_EXPR in a TODO comment.
1563 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
1564 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
1565 not used with a pointer and an integer type.
1566 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
1567 increment using chrec_convert_rhs instead of chrec_convert.
1568 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
1569 PLUS_EXPR except for the right hand side's type will be
1570 sizetype.
1571 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
1572 (fold_used_pointer_cast): Kill.
1573 (pointer_offset_p): Kill.
1574 (fold_used_pointer): Kill.
1575 (pointer_used_p): Kill.
1576 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
1577 call fold_used_pointer.
1578 (instantiate_parameters_1): Convert the increment
1579 using chrec_convert_rhs instead of chrec_convert.
1580 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
1581 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
1582 instead of PLUS_EXPR.
1583 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
1584 PLUS_EXPR for pointers.
1585 (std_gimplify_va_arg_expr): Likewise.
1586 (fold_builtin_memory_op): Likewise.
1587 (fold_builtin_strstr): Likewise.
1588 (fold_builtin_strchr): Likewise.
1589 (fold_builtin_strrchr): Likewise.
1590 (fold_builtin_strpbrk): Likewise.
1591 (expand_builtin_memory_chk): Likewise.
1592 (fold_builtin_memory_chk): Likewise.
1593 (std_expand_builtin_va_start): Use
1594 sizetype for the call to make_tree and then convert
1595 to the pointer type.
1596 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
1597 instead of PLUS_EXPR for adding to a pointer.
1598 (std_gimplify_va_arg_expr): Use fold_build2 for
1599 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
1600 the operands to sizetype first and then cast the BIT_AND_EXPR
1601 back to the pointer type.
1602 * fold-const.c (build_range_check): Handle pointer types
1603 specially.
1604 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
1605 of PLUS_EXPR's. Make sure the offset is converted to
1606 sizetype.
1607 (try_move_mult_to_index): Strip the NOPs from the offset.
1608 Remove code argument and replace all uses with PLUS_EXPR.
1609 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
1610 specially. Don't use a pointer type for MINUS_EXPR.
1611 (fold_unary): Handle for (T1)(X op Y),
1612 only p+ as that is the only as that can be handled for
1613 binary operators now.
1614 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
1615 POINTER_PLUS_EXPR.
1616 <case PLUS_EXPR>: Add folding of PTR+INT into
1617 PTR p+ INT.
1618 Don't call try_move_mult_to_index.
1619 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
1620 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
1621 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
1622 Don't call try_move_mult_to_index.
1623 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
1624 (tree_expr_nonzero_p): Likewise.
1625 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
1626 of PLUS_EXPR for the complex expression folding.
1627 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
1628 first chrec is a pointer type, then the second should
1629 be sizetype and not the first's type.
1630 For POINTER_PLUS_EXPR, use a different right hand side type.
1631 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1632 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
1633 different right hand side type.
1634 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1635 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
1636 instead of PLUS_EXPR.
1637 When either operand is zero, convert the other operand.
1638 (chrec_apply): Use chrec_convert_rhs
1639 on the argument x instead of chrec_convert.
1640 (reset_evolution_in_loop): For pointer types, the new_evol
1641 should be sizetype.
1642 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
1643 different right hand side type.
1644 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1645 (chrec_convert_rhs): New function.
1646 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
1647 different right hand side type.
1648 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
1649 * tree-chrec.h (chrec_convert_rhs): New prototype.
1650 (build_polynomial_chrec): For pointer types, the right hand
1651 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
1652 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
1653 Remove subtraction case as it is always addition now.
1654 Make sure the offset is converted to sizetype.
1655 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
1656 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
1657 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
1658 PLUS_EXPR in pointer type.
1659 Handle POINTER_PLUS_EXPR.
1660 (tree_to_aff_combination): Likewise.
1661 (force_expr_to_var_cost): Likewise.
1662 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
1663 instead of PLUS_EXPR for pointers.
1664 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
1665 instead of PLUS_EXPR of pointer types.
1666 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
1667 as PLUS_EXPR.
1668 (check_va_list_escapes): Likewise.
1669 (check_all_va_list_escapes): Likewise.
1670 * dwarf2out.c (loc_descriptor_from_tree_1):
1671 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
1672 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
1673 (string_constant): Likewise.
1674 * tree-ssa-address.c (tree_mem_ref_addr): When adding
1675 the offset to the base, use POINTER_PLUS_EXPR.
1676 (add_to_parts): Convert the index to sizetype.
1677 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
1678 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
1679 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
1680 Offset only holds something for PLUS_EXPR.
1681 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
1682 a PLUS_EXPR.
1683 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
1684 and not PLUS_EXPR.
1685 (analyze_accesses_for_modify_stmt): Likewise.
1686 Remove comment about the type being integral type as it is
1687 wrong now.
1688 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
1689 PLUS_EXPR.
1690 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
1691 and not PLUS_EXPR.
1692 Correct the type which the artimentic is done in (is now
1693 sizetype).
1694 Reindent one loop.
1695 * tree-data-ref.c (split_constant_offset): Handle
1696 POINTER_PLUS_EXPR
1697 * tree-affine.c (tree_to_aff_combination): Likewise.
1698 * c-typeck.c (build_unary_op): For pointers create the increment
1699 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
1700 for pointers.
1701 * gimplify.c (gimplify_self_mod_expr): Create a
1702 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1703 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
1704 * tree.def (POINTER_PLUS_EXPR): New tree code.
1705 * tree-predcom.c (ref_at_iteration): If we have a pointer
1706 type do the multiplication in sizetype.
1707 * tree-mudflap.c (mf_xform_derefs_1): Create a
1708 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1709 * tree-ssa-forwprop.c
1710 (forward_propagate_addr_into_variable_array_index):
1711 Don't expect there to be a cast for the index as that
1712 does not exist anymore.
1713 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
1714 instead of PLUS_EXPR.
1715 Don't check for the first operand of the POINTER_PLUS_EXPR
1716 was the index as it cannot be.
1717 Call forward_propagate_addr_into_variable_array_index with
1718 the SSA_NAME instead of the statement.
1719 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
1720 (compare_constant): Likewise.
1721 (copy_constant): Likewise.
1722 (compute_reloc_for_constant): Likewise.
1723 (output_addressed_constants): Likewise.
1724 (initializer_constant_valid_p): Likewise.
1725 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
1726 Convert the MIN/MAX of the inner type to the outer
1727 type before comparing them.
1728 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
1729 POINTER_PLUS_EXPR instead of PLUS_EXPR.
1730 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
1731 of PLUS_EXPR for pointers.
1732 * tree-inline.c (estimate_num_insns_1): Handle
1733 POINTER_PLUS_EXPR.
1734 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1735 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1736 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
1737 instead of PLUS_EXPR for the pointer increment statement.
1738 (vect_update_ivs_after_vectorizer): For pointer types, create
1739 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
1740 MULT_EXPR in sizetype.
1741 (vect_gen_niters_for_prolog_loop): Add a cast when creating
1742 byte_misalign.
1743 * tree-object-size.c (plus_expr_object_size): Handle
1744 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
1745 code which is trying to figure out which side is a pointer and
1746 is the index.
1747 (check_for_plus_in_loops_1): Likewise.
1748 (check_for_plus_in_loops): Likewise.
1749 * c-common.c (pointer_int_sum): Create a
1750 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
1751 * tree-ssa-structalias.c (handle_ptr_arith): Handle
1752 only POINTER_PLUS_EXPR. Removing all the extra
1753 code which is trying to figure out which side is a pointer and
1754 is the index.
1755 * tree-cfg.c (verify_expr): Add extra checking for pointers and
1756 PLUS_EXPR and MINUS_EXPR.
1757 Also add checking to make sure the operands of POINTER_PLUS_EXPR
1758 are correct.
1759 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
1760 with make_tree, instead of a pointer type.
1761 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
1762 for pointers instead of PLUS_EXPR.
1763 (s390_gimplify_va_arg): Likewise.
1764 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
1765 instead of PLUS_EXPR when doing addition on pointer
1766 types. Use sizetype for the second operand.
1767 (spu_gimplify_va_arg_expr): Likewise.
1768 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
1769 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
1770 a pointer. Don't create a BIT_AND_EXPR for pointer types.
1771 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
1772 for the pointer addition and also use size_int/sizetype
1773 for the offset.
1774 (ix86_gimplify_va_arg): Likewise.
1775 Perform BIT_AND_EXPR on sizetype arguments.
1776 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
1777 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
1778 for the pointer additions and also use size_int for the offsets.
1779 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
1780 additions and also use size_int for the offsets. Perform
1781 BIT_AND_EXPR on sizetype arguments.
1782 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
1783 POINTER_PLUS_EXPR for pointers and create the
1784 BIT_AND_EXPR in sizetype.
1785 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
1786 instead of PLUS_EXPR for pointer addition.
1787 (rs6000_va_start): Likewise.
1788 Also use sizetype for the offset.
1789 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
1790 as PLUS_EXPR/MINUS_EXPR.
1791 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
1792 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
1793 Don't use BIT_AND_EXPR on a pointer type, convert the
1794 expression to sizetype first.
1795 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
1796 for pointers.
1797 (mips_gimplify_va_arg_expr): Likewise.
1798 Don't create BIT_AND_EXPR in a pointer type.
1799
1800 2007-06-15 Eric Christopher <echristo@apple.com>
1801
1802 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
1803 (x86_64-*-darwin*): Ditto.
1804 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
1805 for above.
1806
1807 2007-06-15 Matthew Wilcox <matthew@wil.cx>
1808
1809 * doc/extend.texi: Document behavior of __attribute__((aligned))
1810 on typedefs.
1811
1812 2007-06-15 Mark Mitchell <mark@codesourcery.com>
1813
1814 * rtlanal.c (note_stores): Improve documentation.
1815
1816 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
1817
1818 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
1819 LOCAL_LABEL_PREFIX): Delete.
1820 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
1821 (bfin_internal_label): Delete.
1822
1823 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
1824
1825 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
1826 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
1827 otherwise define to LIBGCC2_TF_CEXT.
1828 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
1829 (LIBGCC_TF_CEXT): Ditto.
1830 (TF_SIZE): Ditto.
1831
1832 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
1833
1834 PR rtl-optimization/32339
1835 * df-scan.c (df_uses_record): Don't modify flags but just add to
1836 it for df_ref_record.
1837
1838 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
1839
1840 * tree-mudflap.c: Fix whitespace issues.
1841
1842 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
1843
1844 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
1845
1846 2007-06-14 Eric Christopher <echristo@apple.com>
1847
1848 * config/i386/sse.md (movdi_to_sse): Rewrite body.
1849 (movv4sf): Use gcc_unreachable instead of abort.
1850
1851 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1852
1853 PR target/32268
1854 * config/i386/sfp-machine.h (CMPtype): New define.
1855 (mach stubs): Use CMPtype instead of int as a return type.
1856
1857 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
1858
1859 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
1860 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
1861 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
1862 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
1863 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
1864 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
1865 config/soft-fp/soft-fp.h: Update from glibc CVS.
1866
1867 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
1868
1869 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
1870
1871 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
1872
1873 PR target/32341
1874 * config/v850/v850.c: Include dataflow header file.
1875 (substitute_ep_register): Fix typo.
1876
1877 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1878
1879 * configure.ac: Fix earlier checkin.
1880 * configure: Regenerated.
1881
1882 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1883
1884 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
1885 * aclocal.m4: Regenerate.
1886 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
1887 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
1888 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
1889 * configure: Regenerate.
1890 * Makefile.in (LOOSE_WARN): Subst loose_warn.
1891
1892 * Makefile.in (quickstrap): Build libgcc too.
1893
1894 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
1895
1896 * configure.ac: Add --enable-checking=df. Explicitly mention that
1897 the variables are initialized as for "release".
1898 * df-core.c: Use it.
1899 * configure: Regenerate.
1900 * config.in: Regenerate.
1901
1902 2007-06-14 Bob Wilson <bob.wilson@acm.org>
1903
1904 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
1905 validate_replace_rtx instead of replace_rtx.
1906 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
1907
1908 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
1909
1910 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
1911 (DWARF2_UNWIND_INFO): Override default if configured with
1912 SJLJ EH disabled.
1913 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
1914 (ENDFILE_SPEC): Add crtend.o.
1915 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
1916 (ENDFILE_SPEC): Add crtend.o.
1917 (TARGET_USE_JCR_SECTION): Define.
1918 (MD_UNWIND_SUPPORT): Define for 32-bit target.
1919
1920 * config/i386/cygming-crtbegin.c: New file.
1921 * config/i386/cygming-crtend.c: New file.
1922
1923 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
1924
1925 * config/i386/w32-unwind.h: New file.
1926
1927 2007-06-13 Eric Christopher <echristo@apple.com>
1928
1929 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
1930 the user set a value below STACK_BOUNDARY.
1931
1932 2007-06-13 Thiemo Seufer <ths@networkno.de>
1933
1934 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
1935 imply -lpthread for -pthread.
1936
1937 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
1938
1939 * basic-block.h: Remove the prototype for
1940 free_basic_block_vars.
1941 * cfglayout.h: Remove the prototype for
1942 insn_locators_initialize.
1943 * tree.h: Remove the prototype for emit_line_note.
1944
1945 * tree-ssa-pre.c (mergephitemp): Remove.
1946 (init_pre): Don't use mergephitemp.
1947
1948 2007-06-13 Eric Christopher <echristo@apple.com>
1949
1950 * config/i386/i386.c (override_options): If we've specified
1951 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
1952
1953 2007-06-13 Bob Wilson <bob.wilson@acm.org>
1954
1955 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
1956 is defined.
1957
1958 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
1959
1960 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
1961 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
1962 (eh_store_handler): New pattern.
1963 (eh_return): Emit it instead of a plain move.
1964
1965 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
1966
1967 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
1968 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
1969 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
1970 def_builtin_const.
1971
1972 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
1973
1974 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
1975 (find_next_insn_start, find_load): New functions.
1976 (bfin_reorg): Use them to deal with the fact that parallel insns are
1977 no longer represented as a SEQUENCE.
1978
1979 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1980
1981 * config/sparc/sparc.c (sparc_override_options): Initialize
1982 fpu mask correctly.
1983
1984 2007-06-13 Dave Korn <dave.korn@artimi.com>
1985
1986 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
1987 df_get_live_out.
1988
1989 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
1990
1991 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
1992 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
1993 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
1994 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
1995 tree-vect-transform.c: Fix comment typos. Follow spelling
1996 conventions.
1997
1998 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
1999
2000 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
2001 to the exit block use set.
2002 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
2003 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2004 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2005
2006 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2007
2008 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2009 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2010 to indicate an error.
2011 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters): New functions
2012 (dbg_cnt_process_opt): Print an error on a bad argument.
2013 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2014 * common.opt (-fdbg-cnt-list): New.
2015 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2016
2017 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2018
2019 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2020 flag on ref-all pointers.
2021
2022 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2023
2024 PR middle-end/31579
2025 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2026 for the offset with the modifier as EXPAND_INITIALIZER
2027 if the modifier is EXPAND_INITIALIZER.
2028 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2029 a register if we had an overflow.
2030
2031 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2032
2033 * real.c (real_isfinite): New.
2034 (real_sqrt): Use it.
2035 * real.h (real_isfinite): New.
2036 * builtins.c: Use it.
2037
2038 2007-06-12 Ian Lance Taylor <iant@google.com>
2039 Daniel Berlin <dberlin@dberlin.org>
2040
2041 PR libstdc++/29286
2042 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2043 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2044 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2045 (DECL_NO_TBAA_P): Define.
2046 (struct tree_decl_common): Add no_tbaa_flag field.
2047 * tree-ssa-structalias.c (struct variable_info): Add
2048 no_tbaa_pruning field.
2049 (new_var_info): Initialize no_tbaa_pruning field.
2050 (unify_nodes): Copy no_tbaa_pruning field.
2051 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2052 (dump_solution_for_var): Print no_tbaa_pruning flag.
2053 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2054 callers.
2055 (compute_tbaa_pruning): New static function.
2056 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2057 Call compute_tbaa_pruning.
2058 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2059 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2060 * gimple-low.c (lower_stmt): Likewise.
2061 * tree-gimple.c (is_gimple_stmt): Likewise.
2062 * tree-ssa-operands.c (get_expr_operands): Likewise.
2063 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2064 * tree-inline.c (estimate_num_insns_1): Likewise.
2065 (copy_result_decl_to_var): Likewise.
2066 * expr.c (expand_expr_real_1): Likewise.
2067 * tree-pretty-print.c (dump_generic_node): Likewise.
2068 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2069 * omp-low.c (omp_copy_decl_2): Likewise.
2070 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2071 * doc/c-tree.texi (Expression trees): Document
2072 CHANGE_DYNAMIC_TYPE_EXPR.
2073
2074 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2075
2076 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2077 with !HONOR_NANS and !HONOR_INFINITIES.
2078 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2079
2080 2007-06-12 Tristan Gingold <gingold@adacore.com>
2081
2082 * gcov.c: Comments updated.
2083 (source_info): Add file_time field.
2084 (source_index): New variable.
2085 (mutiple_files): New variable.
2086 (generate_results): New function extracted from process_file.
2087 (process_file): Save and restore chain of functions, generate
2088 results and free structures only if not merging results.
2089 (release_structures): File names are now freed in create_file_names
2090 (create_file_names): Free previous file names.
2091 (find_source): File date is now read here and modifications in
2092 source files is checked here.
2093 (read_graph_file): Only reverse order of functions for the current
2094 object file.
2095 (make_gcov_file_name): Do not generate long names if input_name is
2096 NULL.
2097 (output_lines): If merging results do not display graph, data and
2098 runs informations.
2099 Checking source file modification is done in find_source.
2100
2101 * doc/gcov.texi: Append an s to sourcefile.
2102
2103 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2104
2105 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2106 (forced_nop): New pattern.
2107 * config/bfin/bfin.c: Include "df.h".
2108 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2109 (bfin_discover_loop): Use df_get_live_in instead of
2110 global_live_at_start.
2111 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2112 df_analyze when done.
2113 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2114 the insns. Use QImode for the final insn in a bundle. Call
2115 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2116 gen_nop.
2117 (reorder_var_tracking_notes): New function.
2118 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2119 update_life_info. Call df_analyze after scheduling and bundle
2120 generation. Call reorder_var_tracking_notes if generating these notes.
2121 Call df_finish_pass at the end.
2122
2123 2007-06-12 Dirk Mueller <dmueller@suse.de>
2124
2125 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2126 a comparison, not an assignment.
2127
2128 2007-06-12 Olivier Hainque <hainque@adacore.com>
2129
2130 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2131 Request walking the subtrees only, leaving the current is_lhs/val_only
2132 untouched.
2133 (convert_non_local_reference): Likewise.
2134
2135 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2136
2137 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2138
2139 2007-06-12 Richard Guenther <rguenther@suse.de>
2140
2141 PR tree-optimization/15353
2142 PR tree-optimization/31657
2143 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2144 * timevar.def: Add TV_TREE_IFCOMBINE.
2145 * tree-pass.h (pass_tree_ifcombine): Declare.
2146 * tree-ssa-ifcombine.c: New file.
2147 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2148 * tree-flow.h (blocks_in_phiopt_order): Declare.
2149 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2150 (tree-ssa-ifcombine.o): New dependencies.
2151
2152 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2153
2154 PR rtl-optimization/32293
2155 * combine.c (simplify_if_then_else): Truncate return from
2156 nonzero_bits() to correct mode.
2157
2158 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2159
2160 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2161 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2162
2163 2007-06-11 Diego Novillo <dnovillo@google.com>
2164
2165 * Makefile.in (reload1.o-warn): Remove.
2166
2167 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2168
2169 * combine.c (subst): Use reg_overlap_mentioned_p
2170 instead of comparing register numbers directly.
2171
2172 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2173
2174 * reload1.c (mark_home_live_1): Use the mode parameter.
2175
2176 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2177
2178 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2179 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2180 word "deferred".
2181 * df-core.c: Ditto.
2182
2183 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2184
2185 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2186
2187 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2188
2189 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2190 from integer registers.
2191 (FP mode splitters): Handle TFmode.
2192
2193 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2194
2195 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2196 for ref-all pointers that point-to anything.
2197
2198 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2199
2200 * config/arm/arm.c (arm_output_dwarf_dtprel,
2201 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2202
2203 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2204
2205 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2206 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2207 to memory moves.
2208
2209 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2210
2211 * gcc/tree.c (signed_or_unsigned_type_for): New.
2212 (unsigned_type_for): Use signed_or_unsigned_type_for.
2213 (signed_type_for): Use signed_or_unsigned_type_for.
2214 * gcc/tree.h (signed_or_unsigned_type_for): New.
2215 (get_signed_or_unsigned_type): Remove.
2216 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2217 lang_hooks.types.signed_type
2218 (size_diffop): Likewise.
2219 (all_ones_mask_p): Likewise.
2220 (build_range_check): Likewise.
2221 (fold_cond_expr_with_comparison): Likewise.
2222 (fold_cond_expr_with_comparison): Likewise.
2223 (unextend): Likewise.
2224 (extract_muldiv_1): Likewise.
2225 (fold_single_bit_test_into_sign_test): Likewise.
2226 (fold_binary): Likewise.
2227 (fold_ternary): Likewise.
2228 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2229 instead of get_signed_or_unsigned_type.
2230 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2231 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2232 * gcc/expr.c (signed_or_unsigned_type_for): Use
2233 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2234 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2235 (lhd_signed_or_unsigned_type): Remove.
2236 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
2237 signed_or_unsigned_type.
2238 (lhd_signed_or_unsigned_type): Remove.
2239 * gcc/expmed.c (make_tree): Use signed_type_for instead of
2240 lang_hooks.types.signed_type.
2241 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
2242 c_common_signed_type instead of lang_hooks.types.signed_type.
2243 (c_common_unsigned_type): New.
2244 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
2245 (shorten_compare): Use c_common_unsigned_type instead of
2246 c_common_signed_or_unsigned_type.
2247 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
2248 unsigned_type_for.
2249 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
2250 lang_hooks.types.signed_type.
2251 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2252 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
2253 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
2254 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
2255 instead of unsigned_type_for.
2256 * gcc/c-decl.c (groakdeclarator): Likewise.
2257 * gcc/c-typeck.c (convert_for_assignment): Likewise.
2258 * gcc/c-common.h (c_common_unsigned_type): New.
2259
2260 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2261
2262 PR target/32280
2263 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
2264 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
2265
2266 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2267
2268 PR middle-end/32279
2269 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
2270 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
2271
2272 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
2273 Sebastian Pop <sebpop@gmail.com>
2274
2275 * lambda-code.c (remove_iv): New.
2276 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
2277
2278 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
2279
2280 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
2281 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
2282 * tree-ssa-loop-prefetch.c: Include optabs.h.
2283 (FENCE_FOLLOWING_MOVNT): New macro.
2284 (struct mem_ref): Add independent_p and storent_p fields.
2285 (record_ref): Initalize the new fields.
2286 (gather_memory_references_ref): Return true if the reference
2287 could be analysed.
2288 (gather_memory_references): Check whether all memory accesses
2289 in loop were recorded.
2290 (should_issue_prefetch_p): Return false for nontemporal stores.
2291 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
2292 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
2293 (determine_loop_nest_reuse): Detect independent memory references.
2294 (loop_prefetch_arrays): Call mark_nontemporal_stores.
2295 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
2296 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
2297 * config/i386/i386.h (x86_mfence): Declare.
2298 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
2299 * config/i386/i386.c (x86_mfence): New variable.
2300 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
2301
2302 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
2303 * optabs.c (init_optabs): Initialize storent_optab.
2304 * optabs.h (enum optab_index): Add OTI_storent.
2305 (storent_optab): Declare.
2306 * genopinit.c (optabs): Add initialization for storent_optab.
2307 * tree.h (MOVE_NONTEMPORAL): New macro.
2308 * expr.c (expand_assignment, store_expr, store_constructor_field,
2309 store_constructor, store_field, expand_expr_real_1): Propagate
2310 nontemporality of the expanded store.
2311 (emit_storent_insn): New function.
2312 * expr.h (expand_assignment, store_expr): Declaration changed.
2313 * function.c (assign_parm_setup_reg): Pass false as nontemporality
2314 to expand_assignment.
2315 * stmt.c (expand_asm_expr): Ditto.
2316 * calls.c (initialize_argument_information): Pass false as
2317 nontemporality to store_expr.
2318 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
2319 storentsi): New.
2320
2321 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2322
2323 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
2324 parameter, use it.
2325 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
2326
2327 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2328
2329 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
2330 and allow DECL_P here.
2331
2332 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
2333
2334 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
2335 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
2336 track of the size of the expression.
2337 * cfghooks.c (merge_blocks): Remove block from loops structure only
2338 after call of the merge_blocks hook.
2339
2340 2007-06-09 Tom Tromey <tromey@redhat.com>
2341
2342 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
2343 (deprecated_state): Removed.
2344 (start_decl): Update.
2345 (enum deprecated_states): Moved earlier.
2346 (groktypename): Update.
2347 (push_parm_decl): Likewise.
2348 (grokfield): Likewise.
2349 (start_function): Likewise.
2350
2351 2007-06-09 Ian Lance Taylor <iant@google.com>
2352
2353 PR tree-optimization/32169
2354 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
2355 CONVERT_EXPR, check whether min and max both converted to an
2356 overflow infinity representation.
2357
2358 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
2359
2360 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
2361 not inserted on the edge.
2362
2363 2007-06-08 Bob Wilson <bob.wilson@acm.org>
2364
2365 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
2366 instructions if they are supported.
2367 (__divsi3, __umodsi3, __modsi3): Likewise.
2368 (__ashldi3, __ashrdi3, __lshrdi3): New.
2369 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
2370
2371 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
2372 Tony Linthicum <tony.linthicum@amd.com>
2373
2374 * doc/extend.texi: Add fvect-cost-model flag.
2375 * common.opt (fvect-cost-model): New flag.
2376 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
2377 cost fields in stmt_vec_info struct for STMT.
2378 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
2379 fields in stmt_vec_info struct and access functions for the same.
2380 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
2381 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
2382 load, store and vector to scalar operation.
2383 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
2384 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
2385 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
2386 (TARG_VEC_STORE_COST): Define cost of vector store.
2387 (vect_estimate_min_profitable_iters): Define new function.
2388 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
2389 check to evaluate if loop iterations are less than minimum profitable
2390 iterations determined by cost model or minimum vect loop bound defined
2391 by user, whichever is more conservative.
2392 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
2393 run-time check to evaluate if loop iterations are less than minimum
2394 profitable iterations determined by cost model or minimum vect loop
2395 bound defined by user, whichever is more conservative.
2396 (vect_estimate_min_profitable_iterations): New function to estimate
2397 mimimimum iterartions required for vector version of loop to be
2398 profitable over scalar version.
2399 (vect_model_reduction_cost): New function.
2400 (vect_model_induction_cost): New function.
2401 (vect_model_simple_cost): New function.
2402 (vect_cost_strided_group_size): New function.
2403 (vect_model_store_cost): New function.
2404 (vect_model_load_cost): New function.
2405 (vectorizable_reduction): Call vect_model_reduction_cost during
2406 analysis phase.
2407 (vectorizable_induction): Call vect_model_induction_cost during
2408 analysis phase.
2409 (vectorizable_load): Call vect_model_load_cost during analysis phase.
2410 (vectorizable_store): Call vect_model_store_cost during analysis phase.
2411 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
2412 vectorizable_promotion, vectorizable_demotion): Call
2413 vect_model_simple_cost during analysis phase.
2414
2415 2007-06-08 Simon Baldwin <simonb@google.com>
2416
2417 * reg-stack.c (get_true_reg): Readability change. Moved default case
2418 label into direct switch statement scope.
2419
2420 2007-06-08 Simon Baldwin <simonb@google.com>
2421
2422 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
2423 in gcc_assert() with '==' comparison.
2424
2425 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2426
2427 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
2428 TARGET_ABM handling of x86_popcnt variable.
2429
2430 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2431
2432 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
2433 __builtin_copysignq and __builtin_infq built-in functions.
2434
2435 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2436
2437 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
2438 SSE4.2 section. Correct built-in function names in SSE4A section.
2439
2440 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2441
2442 PR tree-optimization/32243
2443 * tree-vect-transform.c (vectorizable_type_promotion): Move check
2444 for ncopies after ratio check between nunits_out and nunits_in.
2445 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
2446
2447 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
2448
2449 PR tree-optimization/32224
2450 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
2451 vectorization upon a non GIMPLE_MODIFY_STMT.
2452
2453 2007-06-08 Christian Bruel <christian.bruel@st.com>
2454
2455 PR target/29953
2456 * config/sh/sh.md (doloop_end): New pattern and splitter.
2457 * loop-iv.c (simple_rhs_p): Check for hardware registers.
2458
2459 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
2460
2461 PR middle-end/32209
2462 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
2463 functions.
2464 (verify_dominators): Do not change dominance tree.
2465
2466 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
2467
2468 * config/sh/constraints.md: New file.
2469 * config/sh/sh.c: Include tm-constrs.h.
2470 (reg_class_from_letter): Remove.
2471 (prepare_cbranch_operands): Use satisfies_constraint_*
2472 function instead of macro.
2473 (andcosts, broken_move, sh_secondary_reload): Likewise.
2474 * config/sh/predicates.md (trapping_target_operand): Likewise.
2475 (and_operand, arith_operand, arith_reg_or_0_operand,
2476 cmp_operand, logical_operand, target_operand,
2477 ua_address_operand, ua_offset, xor_operand): Likewise.
2478 * config/sh/sh.md: Include constraints.md.
2479 (*movsicc_t_false): Use satisfies_constraint_* function
2480 instead of macro.
2481 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
2482 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
2483 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
2484 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
2485 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
2486 (REG_CLASS_FROM_CONSTRAINT): Remove.
2487 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
2488 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
2489 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
2490 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
2491 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
2492 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
2493 function instead of macro.
2494 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2495 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
2496 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
2497 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
2498 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
2499 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
2500 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
2501 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
2502 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
2503 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
2504 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
2505 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
2506 EXTRA_CONSTRAINT_STR): Likewise.
2507 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
2508
2509 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2510
2511 * config/i386/darwin.h (STACK_BOUNDARY): Define.
2512
2513 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
2514
2515 PR c++/30759
2516 * c-common.h (flag_cpp0x): Replaced by...
2517 (cxx_dialect): ... this new variable specifying the C++ dialect that
2518 is used.
2519 * c-common.c (flag_cpp0x): Removed.
2520 (cxx_dialect): Defined.
2521 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
2522 cxx_dialect.
2523 * c-opts.c (c_common_post_options): Likewise.
2524 (set_std_cxx98): Set cxx_dialect to cxx98.
2525 (set_std_cxx0x): Set cxx_dialect to cxx0x.
2526
2527 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2528 Hui-May Chang <hm.chang@apple.com>
2529
2530 * doc/invoke.texi (Darwin Options): Update documentation for
2531 -mmacosx-version-min.
2532 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
2533 * config/darwin-driver.c: New file.
2534 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
2535 * config/t-darwin (darwin-driver.o): New rule.
2536
2537 * config/darwin-c.c (version_as_macro): Ignore low digit.
2538
2539 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
2540
2541 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
2542 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
2543 (CSGNMODE): New mode macro.
2544 (CSGNVMODE): New mode attribute.
2545 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
2546 expander using CSGNMODE mode macro. Handle TFmode.
2547 (copysign<mode>3_const): Rename from copysignsf3_const and
2548 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
2549 Handle TFmode.
2550 (copysign<mode>3_var): Rename from copysignsf3_var and
2551 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
2552 Handle TFmode.
2553 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
2554 mode macro. Handle TFmode.
2555 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
2556 (iortf3, *iortf3): Ditto.
2557 (xortf3, *xortf3): Ditto.
2558 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
2559 TFmode and TImode masks.
2560 (ix86_expand_copysign): Expand TFmode copysign insn.
2561 (IX86_BUILTIN_INFQ): New.
2562 (IX86_BUILTIN_FABSQ): Ditto.
2563 (IX86_BUILTIN_COPYSIGNQ): Ditto.
2564 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
2565 [__builtin_fabsq]: Ditto.
2566 [__builtin_copysignq]: Ditto.
2567 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
2568 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
2569 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
2570 ix86_expand_binop_builtin().
2571
2572 2007-06-07 Bob Wilson <bob.wilson@acm.org>
2573
2574 * config/xtensa/lib1funcs.asm: Clean up whitespace.
2575
2576 2007-06-07 Steve Ellcey <sje@cup.hp.com>
2577
2578 PR target/31850
2579 * rtl.h (push_to_sequence2): New.
2580 * emit-rtl.c (push_to_sequence2): New.
2581 * function.c (assign_parm_data_all): Add new fields.
2582 (assign_parm_setup_block): Call push_to_sequence2 instead of
2583 push_to_sequence.
2584 (assign_parm_setup_reg): Ditto.
2585 (assign_parm_setup_stack): Ditto.
2586 (assign_parms_unsplit_complex): Ditto.
2587 (assign_parms): Change field name.
2588
2589 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2590
2591 PR tree-optimization/32220
2592 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
2593 phi node is reached before defining statement.
2594
2595 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2596
2597 PR tree-opt/32231
2598 * tree-vect-transform.c (vectorizable_call): Call update_stmt
2599 after changing the right hand side of the assignment.
2600
2601 2007-06-06 Eric Christopher <echristo@apple.com>
2602
2603 * config.gcc (i?86-*-darwin*): Remove arch parameter.
2604 (x86_64-*-darwin*): Ditto.
2605 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
2606 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
2607
2608 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2609
2610 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
2611 coding conventions.
2612 (add_key): Likewise.
2613 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
2614 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
2615 variable names.
2616 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory macros.
2617 (add_cost_one_coalesce): Likewise.
2618 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
2619 variable names. Rename orig to orig_name for consistency.
2620 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the coding
2621 conventions.
2622 (cprop_into_successor_phis): Avoid using C++ keywords as variable names.
2623 (record_equivalences_from_stmt): Likewise.
2624 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
2625 the coding conventions.
2626 (memory_ssa_name_same): Likewise.
2627 (dse_optimize_stmt): Likewise.
2628 (dse_record_phis): Likewise.
2629 (dse_finalize_block): Likewise.
2630 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
2631 keywords as variable names.
2632 (may_move_till): Cast according to the coding conventions.
2633 (force_move_till_expr): Avoid using C++ keywords as variable names.
2634 (force_move_till): Cast according to the coding conventions.
2635 (memref_hash): Likewise.
2636 (memref_eq): Likewise.
2637 (gather_mem_refs_stmt): Likewise.
2638 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid using C++
2639 keywords as variable names.
2640 (idx_find_step): Cast according to the coding conventions.
2641 (idx_record_use): Likewise.
2642 (find_depends): Likewise.
2643 (prepare_decl_rtl): Likewise.
2644 (mbc_entry_hash): Likewise.
2645 (mbc_entry_eq): Likewise.
2646 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
2647 (simplify_replace_tree): Avoid using C++ keywords as variable names.
2648 (idx_infer_loop_bounds): Cast according to the coding conventions.
2649 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
2650 * tree-ssa-math-opts.c (occ_new ): Likwise.
2651 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
2652 macros.
2653 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as variable
2654 names.
2655 (add_use_op): Likewise.
2656 (add_vop): Likewise.
2657 (add_vuse_op): Likewise.
2658 (add_vdef_op): Likewise.
2659 (get_expr_operands): Likewise.
2660 (push_stmt_changes): Use type safe memory macros.
2661 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
2662 keywords as variable names.
2663 (conditional_replacement): Likewise.
2664 (minmax_replacement): Likewise.
2665 (abs_replacement): Likewise.
2666 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
2667 coding conventions.
2668 (insert_fake_stores): Avoid using C++ keywords as variable names.
2669 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
2670 conventions.
2671 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
2672 (heapvar_insert): Use type safe memory macros.
2673 (new_var_info): Cast according to the coding conventions.
2674 (new_constraint): Likewise.
2675 (remove_preds_and_fake_succs): Use type safe memory macros.
2676 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
2677 conventions.
2678 (thread_single_edge): Likewise.
2679 (thread_through_loop_header): Likewise.
2680
2681 2007-06-06 Eric Christopher <echristo@apple.com>
2682
2683 * config/i386/i386.c (override_options): Move handling
2684 of TARGET_SUBTARGET* earlier.
2685
2686 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
2687
2688 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
2689 use %n on printf.
2690
2691 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
2692
2693 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
2694 emited outside of basic block.
2695 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
2696 the created blocks.
2697 * rtl.h (delete_insn_chain): Declaration changed.
2698 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
2699 non-removed insns.
2700 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
2701 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
2702 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
2703 to delete_insn_chain.
2704 (rtl_verify_flow_info_1): Verify that the insns in header and footer
2705 do not have bb field set.
2706 (rtl_verify_flow_info): Verify that insns between basic blocks do not
2707 have bb field set.
2708 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
2709 * cfgcleanup.c (try_optimize_cfg): Ditto.
2710
2711 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2712
2713 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
2714 (lambda_body_vector_new): Use type safe memory macros.
2715 (lambda_linear_expression_new): Likewise.
2716 (lambda_loopnest_new): Likewise.
2717 (lambda_lattice_new): Likewise.
2718 (replace_uses_equiv_to_x_with_y): Cast according to the coding
2719 conventions. Use type safe memory macros.
2720 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
2721 (lambda_body_vector_s): Likewise.
2722 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
2723 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
2724
2725 2007-06-06 Richard Guenther <rguenther@suse.de>
2726
2727 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
2728 if we need to schedule cfg_cleanup.
2729 (tree_ssa_forward_propagate_single_use_vars): Do so.
2730
2731 2007-06-06 Ian Lance Taylor <iant@google.com>
2732
2733 * fold-const.c (merge_ranges): If range_successor or
2734 range_predecessor fail, just return 0.
2735
2736 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2737
2738 PR tree-optimization/32216
2739 * tree-vectorizer.c (supportable_widening_operation): Determine
2740 signedness of FIX_TRUNC_EXPR from output operand.
2741 (supportable_narrowing_operation): Ditto.
2742 * tree-vect-generic.c (expand_vector_operations_1): Determine
2743 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
2744 from input operand.
2745
2746 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
2747
2748 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
2749 (struct pta): ...from here. Change flags to unsigned to avoid
2750 excessive casting (as it is used as a bit mask).
2751 (override_options): Add casts according to the coding convenventions.
2752 (x86_64_elf_unique_section): Likewise.
2753 (examine_argument): Avoid using C++ keywords as variable names.
2754 (construct_container): Likewise.
2755 (legitimize_pic_address): Likewise.
2756 (get_dllimport_decl): Cast according to the coding conventions. Use
2757 type safe memory macros.
2758 (legitimize_address): Cast according to the coding conventions.
2759 (emit_i387_cw_initialization): Corrected the type of slot to enum
2760 ix86_stack_slot.
2761 (ix86_init_machine_status): Use type safe memory macros.
2762 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
2763 (bdesc_pcmpistr): Likewise.
2764 (bdesc_crc32): Likewise.
2765 (bdesc_sse_3arg): Likewise.
2766 (bdesc_2arg): Likewise.
2767 (bdesc_1arg): Likewise.
2768 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
2769 (ix86_expand_sse_pcmpistr): Likewise.
2770 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
2771 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
2772 int to match the langhook definition.
2773 (ix86_builtin_conversion): Change the type of code to unsigned init to
2774 match the langhook definition.
2775 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
2776 names.
2777 (ix86_preferred_output_reload_class): Likewise.
2778 (ix86_cannot_change_mode_class): Likewise.
2779 (ix86_memory_move_cost): Likewise.
2780 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
2781 avoid excessive casting later on.
2782 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
2783
2784 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2785
2786 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
2787 as flags setting insn.
2788 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
2789
2790 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
2791
2792 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
2793 (UNSPEC_ROUND): New.
2794 ("sse4_1_round<mode>2"): New insn pattern.
2795 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
2796 SSE4.1 targets.
2797 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
2798 expander using SSEMODEF mode macro. Expand using
2799 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2800 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
2801 expander using SSEMODEF mode macro. Expand using
2802 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2803 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
2804 expander using SSEMODEF mode macro. Expand using
2805 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
2806 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
2807 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
2808 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
2809 UNSPEC_ROUNDS.
2810
2811 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
2812 Sebastian Pop <sebpop@gmail.com>
2813
2814 * lambda.h (build_linear_expr): New.
2815 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
2816 Use build_linear_expr, call fold and force_gimple_operand.
2817 (lambda_loopnest_to_gcc_loopnest): Check that there is
2818 something to insert.
2819 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
2820
2821 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2822
2823 PR preprocessor/23479
2824 * doc/extend.texi: Document the 0b-prefixed binary integer
2825 constant extension.
2826
2827 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2828
2829 PR tree-optimization/32215
2830 * tree-vectorizer.c (supportable_widening_operation): Return false
2831 for unsupported FIX_TRUNC_EXPR tree code.
2832 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
2833
2834 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
2835
2836 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
2837 register on SPE targets. Change documentation to reflect
2838 reality.
2839 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
2840 Change FIXED_SCRATCH to 14 and document why we're keeping r14
2841 out of the register allocation pool.
2842 (rs6000_reg_live_or_pic_offset_p): New function.
2843 (rs6000_emit_prologue): Move the actual saving of LR up to free
2844 r0 for holding r11. Split saving of SPE 64-bit registers into
2845 its own case. Ensure that offsets will always be in-range for
2846 'evstdd' by using r11 as a scratch register to point at the start
2847 of the SPE save area. Save r11 if necessary, as it is the static
2848 chain register.
2849 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
2850 into its own case. Ensure that offsets will always be in-range
2851 for 'evldd' by using r11 as a scratch register to point at the
2852 start of the SPE save area. Also adjust r11 when restoring
2853 the stack pointer to compensate for pre-loading r11.
2854
2855 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
2856
2857 * cfg.c (init_flow): Use type safe memory macros.
2858 (alloc_block): Likewise.
2859 (unchecked_make_edge): Likewise.
2860 (dump_flow_info): Avoid using C++ keywords as variable names.
2861 (copy_original_table_clear): Cast according to the coding conventions.
2862 (copy_original_table_set): Likewise.
2863 * cfgexpand (label_rtx_for_bb): Likewise.
2864 (expand_gimple_basic_block): Likewise.
2865 * cfghooks.c (dump_bb): Likewise.
2866 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
2867 variable names.
2868 (lv_add_condition_to_bb): Likewise.
2869 * cfglayout (relink_block_chain): Cast according to the coding
2870 conventions.
2871 (fixup_reorder_chain): Likewise.
2872 (fixup_fallthru_exit_predecessor): Likewise.
2873 * cfgloop.c (glb_enum_p): Likewise.
2874 (get_exit_description): Likewise.
2875 (dump_recorded_exit): Likewise.
2876 * cfgloop.h (enum loop_estimation): Move out of struct scope...
2877 (struct loop): ... from here.
2878 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
2879 conventions.
2880 * cfgrtl.c (rtl_create_basic_block): Likewise.
2881 (rtl_split_block): Likewise.
2882 (rtl_dump_bb): Likewise.
2883 (cfg_layout_split_block): Likewise.
2884 (init_rtl_bb_info): Use typesafe memory macros.
2885
2886 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
2887 * graphds.h: Updated all usages of edge to graph_edge.
2888 * graphds.c: Likewise.
2889 * cfgloopanal.c: Likewise.
2890
2891 2007-06-05 Ian Lance Taylor <iant@google.com>
2892
2893 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
2894 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
2895 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
2896 expression.
2897 (test_for_singularity): Likewise.
2898
2899 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
2900
2901 * config/i386/constraints.md ("Y2"): Replaced by ...
2902 ("Yt"): This.
2903 * config/i386/i386.md: Likewise.
2904 * config/i386/mmx.md: Likewise.
2905 * config/i386/sse.md: Likewise.
2906
2907 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
2908
2909 * config/i386/constraints.md ("z"): Replaced by ...
2910 ("Y0"): This.
2911 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
2912 (sse4_1_blendvps): Likewise.
2913 (sse4_1_pblendvb): Likewise.
2914 (sse4_2_pcmpestr): Likewise.
2915 (sse4_2_pcmpestrm): Likewise.
2916 (sse4_2_pcmpestr_cconly): Likewise.
2917 (sse4_2_pcmpistr): Likewise.
2918 (sse4_2_pcmpistrm): Likewise.
2919 (sse4_2_pcmpistr_cconly): Likewise.
2920
2921 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
2922
2923 * matrix-reorg.c (transform_access_sites): Fix computation.
2924 (transform_allocation_sites): Same.
2925
2926 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2927
2928 * config/i386/i386.c (override_options): Use
2929 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
2930
2931 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
2932
2933 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
2934 (nonimm_not_xmm0_operand): Ditto.
2935 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
2936 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
2937 as operand[2] predicate. Require "z" class XMM register for
2938 operand[3]. Adjust asm template.
2939 ("sse4_1_blendvpd"): Ditto.
2940 ("sse4_1_pblendvb"): Ditto.
2941 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
2942 force op2 into xmm0 register for variable blend instructions.
2943
2944 2007-06-04 Tom Tromey <tromey@redhat.com>
2945
2946 * c-tree.h (start_enum): Update.
2947 (build_enumerator): Likewise.
2948 * c-decl.c (enum_next_value): Removed.
2949 (enum_overflow): Likewise.
2950 (start_enum): Add c_enum_contents argument. Don't use globals.
2951 (build_enumerator): Likewise.
2952 * c-tree.h (struct c_enum_contents): New struct.
2953
2954 2007-06-04 Tom Tromey <tromey@redhat.com>
2955
2956 * c-common.c (c_common_get_alias_set): Fix indentation.
2957
2958 2007-06-04 Ian Lance Taylor <iant@google.com>
2959
2960 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
2961 to overflow, reduce overflow infinity to regular infinity.
2962 (vrp_var_may_overflow): New static function.
2963 (vrp_visit_phi_node): Check vrp_var_may_overflow.
2964
2965 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
2966
2967 * stor-layout.c (layout_type): Remove duplicate code.
2968
2969 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
2970
2971 PR c/32191
2972 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
2973 before build_common_builtin_nodes ().
2974
2975 2007-06-04 Steve Ellcey <sje@cup.hp.com>
2976
2977 PR target/31733
2978 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
2979
2980 2007-06-04 Jan Hubicka <jh@suse.cz>
2981
2982 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
2983 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
2984 instead of _stat version.
2985
2986 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
2987
2988 PR tree-optimization/32194
2989 * tree-predcom.c (determine_offset): Check that both references have
2990 the same type.
2991
2992 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
2993
2994 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
2995 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
2996 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2997 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
2998 Add argument to iterate_fix_dominators call.
2999 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
3000 * gcse.c (hoist_code): Change domby to vector.
3001 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
3002 Add argument to iterate_fix_dominators call.
3003 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3004 recompute_dominator.
3005 * lambda-code.c (perfect_nestify): Ditto.
3006 * cfgloopanal.c: Include graphds.h.
3007 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3008 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3009 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3010 add_edge call.
3011 * graphds.c: New file.
3012 * graphds.h: New file.
3013 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3014 (get_dominated_by, get_dominated_by_region): Change return type to
3015 vector.
3016 (verify_dominators): Recompute all dominators and compare the results.
3017 (recount_dominator): Renamed to ...
3018 (recompute_dominator): ... this. Do not check that the block is
3019 dominated by entry.
3020 (iterate_fix_dominators): Reimplemented.
3021 (prune_bbs_to_update_dominators, root_of_dom_tree,
3022 determine_dominators_for_sons): New functions.
3023 * et-forest.c (et_root): New function.
3024 * et-forest.h (et_root): Declare.
3025 * Makefile.in (graphds.o): Add.
3026 (cfgloopanal.o): Add graphds.h dependency.
3027 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3028 * basic-block.h (get_dominated_by, get_dominated_by_region,
3029 iterate_fix_dominators): Declaration changed.
3030 (recount_dominator): Renamed to ...
3031 (recompute_dominator): ... this.
3032 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3033 (thread_through_all_blocks): Do not free dominance info.
3034
3035 2007-06-03 Andreas Schwab <schwab@suse.de>
3036
3037 * config/m68k/m68k.c (override_options): Don't override
3038 REAL_MODE_FORMAT.
3039 * config/m68k/m68k-modes.def (SF, DF): Define to use
3040 motorola_single_format and motorola_double_format, resp.
3041 * real.c (motorola_single_format): Renamed from
3042 coldfire_single_format.
3043 (motorola_double_format): Renamed from coldfire_double_format.
3044 (encode_ieee_extended): Generate a proper canonical NaN image
3045 respecting canonical_nan_lsbs_set.
3046 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3047 true.
3048 * real.h: Adjust declarations.
3049
3050 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3051
3052 PR target/32163
3053 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3054 the symbol is generated with the stack protector.
3055
3056 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3057
3058 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3059 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3060 "interrupt".
3061 * doc/extend.texi (interrupt): Mention m68k.
3062
3063 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3064
3065 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3066 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3067 (ix86_expand_sse_pcmpestr): Do not check operands for
3068 "register_operand", when insn operand predicate is "register_operand".
3069 (ix86_expand_sse_pcmpistr): Ditto.
3070
3071 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3072 Uros Bizjak <ubizjak@gmail.com>
3073
3074 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3075 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3076 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3077 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3078 * config/i386/constraints.md ("z"): New register constraint
3079 for members of SSE_FIRST_REG class.
3080 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3081 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3082 SSE_FIRST_REG class.
3083 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3084 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3085 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3086 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3087 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3088 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3089 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3090 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3091 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3092 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3093 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3094 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3095 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3096 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3097 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3098 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3099 (struct builtin_description): Change "flag" field to unsigned.
3100 (bdesc_pcmpestr): New builtin description table.
3101 (bdesc_pcmpistr): Likewise.
3102 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3103 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3104 Initialize pcmp[ei]str[im] insns for SSE4.2.
3105 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3106 (ix86_expand_sse_pcmpistr): Likewise.
3107 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3108 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3109 (UNSPEC_PCMPISTR): Likewise.
3110 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3111 (sse4_2_pcmpestri):New isns pattern.
3112 (sse4_2_pcmpestrm): Likewise.
3113 (sse4_2_pcmpestr_cconly): Likewise.
3114 (sse4_2_pcmpistr): New insn patern and splitter.
3115 (sse4_2_pcmpistri):New isns pattern.
3116 (sse4_2_pcmpistrm): Likewise.
3117 (sse4_2_pcmpistr_cconly): Likewise.
3118 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3119 in SSE4.2.
3120
3121 2007-06-01 David Daney <ddaney@avtrex.com>
3122
3123 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3124 LOADGP_ABSOLUTE and not binds_local_p.
3125
3126 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3127
3128 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3129
3130 2007-06-01 Ian Lance Taylor <iant@google.com>
3131
3132 * tree-vrp.c (compare_name_with_value): Always set
3133 used_strict_overflow if we get a result from the variable itself.
3134
3135 2007-06-01 Ian Lance Taylor <iant@google.com>
3136
3137 PR rtl-optimization/31455
3138 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3139 subregs which have a cast between modes which are not tieable.
3140
3141 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3142
3143 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3144 breaks after return statements.
3145
3146 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3147
3148 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3149 only after no_new_pseudos.
3150
3151 2007-05-31 Eric Christopher <echristo@apple.com>
3152
3153 * expr.c (convert_move): Assert that we don't have a BLKmode
3154 operand.
3155 (store_expr): Handle BLKmode moves by calling emit_block_move.
3156
3157 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3158
3159 * c-typeck.c (build_indirect_ref): Include type in error message.
3160 (build_binary_op): Pass types to binary_op_error.
3161 * c-common.c (binary_op_error): Take two type arguments, print out
3162 types with error.
3163 * c-common.h (binary_op_error): Update prototype.
3164
3165 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3166
3167 * config/i386/i386.c: Correct coments on -mno-sse4.
3168
3169 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3170
3171 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3172 (x86_64-*-*): Likewise.
3173 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3174 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3175 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3176 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3177 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3178 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3179 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3180 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3181 (OPTION_MASK_ISA_SSE4): Likewise.
3182 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3183 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3184 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3185 (override_options): Support SSE4.2.
3186 (ix86_build_const_vector): Support SImode and DImode.
3187 (ix86_build_signbit_mask): Likewise.
3188 (ix86_expand_int_vcond): Support V2DImode.
3189 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3190 (IX86_BUILTIN_CRC32HI): Likewise.
3191 (IX86_BUILTIN_CRC32SI): Likewise.
3192 (IX86_BUILTIN_CRC32DI): Likewise.
3193 (IX86_BUILTIN_PCMPGTQ): Likewise.
3194 (bdesc_crc32): Likewise.
3195 (bdesc_sse_3arg): Likewise.
3196 (ix86_expand_crc32): Likewise.
3197 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3198 (ix86_expand_builtin): Likewise.
3199 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3200 __SSE4_2__ for -msse4.2.
3201 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3202 (CRC32MODE): Likewise.
3203 (crc32modesuffix): Likewise.
3204 (crc32modeconstraint): Likewise.
3205 (sse4_2_crc32<mode>): Likewise.
3206 (sse4_2_crc32di): Likewise.
3207 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3208 (msse4): Likewise.
3209 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3210 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3211 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3212 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3213 (vcondu<mode>): Likewise.
3214 * doc/extend.texi: Document SSE4.2 built-in functions.
3215 * doc/invoke.texi: Document -msse4.2/-msse4.
3216
3217 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3218
3219 PR tree-optimization/32160
3220 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3221 variable as gimple reg.
3222 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3223
3224 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3225
3226 * gcc.c (main): Don't consider linker options when issuing the
3227 warning about a linker input file not being used.
3228
3229 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3230
3231 * tree-vrp.c (compare_names): Initialize sop.
3232
3233 2007-05-30 Dirk Mueller <dmueller@suse.de>
3234
3235 * cgraphunit.c (cgraph_analyze_function): Remove
3236 computation of inline parameters.
3237
3238 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3239
3240 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
3241
3242 2007-05-30 Richard Sandiford <richard@codesourcery.com>
3243
3244 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
3245 Add vx-common.h. Include vxworks.h between vx-common.h and
3246 arm/vxworks.h.
3247 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
3248 redefining.
3249 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
3250 (TARGET_ASM_DESTRUCTOR): Likewise.
3251 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
3252 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
3253 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3254 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
3255 (VXWORKS_ENDIAN_SPEC): Define.
3256 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
3257 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
3258 VXWORKS_* equivalents.
3259 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
3260 (ASM_FILE_START): Delete.
3261 (TARGET_VERSION): Reformat.
3262 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
3263 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
3264 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3265 (FPBIT, DPBIT): Define.
3266 (fp-bit.c, dp-bit.c): New rules.
3267 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
3268 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
3269 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
3270 * config/arm/arm.h: Include vxworks-dummy.h.
3271 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
3272 Mark with ATTRIBUTE_UNUSED.
3273 (arm_override_options): Do not allow VxWorks RTP PIC to be used
3274 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
3275 make it incompatible with -msingle-pic-base.
3276 (arm_function_ok_for_sibcall): Return false for calls that might
3277 go through a VxWorks PIC PLT entry.
3278 (require_pic_register): New function, split out from...
3279 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
3280 for VxWorks RTPs.
3281 (arm_load_pic_register): Handle the VxWorks RTP initialization
3282 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
3283 (arm_emit_call_insn): New function.
3284 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
3285 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
3286 (pic_offset_arm): New pattern.
3287 (call, call_value): Use arm_emit_call_insn.
3288 (call_internal, call_value_internal): New expanders.
3289 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
3290 VxWorks unless __PIC__.
3291
3292 2007-05-30 Eric Christopher <echristo@gmail.com>
3293
3294 * genrecog.c: Include regs.h in generated file.
3295 * genemit.c: Ditto. Fix up formatting.
3296 * config/mn10300/constraints.md: New.
3297 * config/mn10300/mn10300.md: Include.
3298 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
3299 Fix up for removed macro.
3300 * config/mn10300/predicates.md (call_address_operand): Ditto.
3301 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
3302 (CONST_OK_FOR_I): Ditto.
3303 (CONST_OK_FOR_J): Ditto.
3304 (CONST_OK_FOR_K): Ditto.
3305 (CONST_OK_FOR_L): Ditto.
3306 (CONST_OK_FOR_M): Ditto.
3307 (CONST_OK_FOR_N): Ditto.
3308 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
3309 (OK_FOR_Q): Ditto.
3310 (OK_FOR_R): Ditto.
3311 (OK_FOR_T): Ditto.
3312 (EXTRA_CONSTRAINT): Ditto.
3313
3314 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3315
3316 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
3317 Remove defines.
3318 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
3319 OPTION_MASK_ISA_64BIT.
3320 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
3321
3322 2007-05-30 Richard Guenther <rguenther@suse.de>
3323
3324 PR middle-end/32152
3325 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
3326 types for comparison.
3327 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
3328 with original typed arguments.
3329 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
3330
3331 2007-05-30 Jakub Jelinek <jakub@redhat.com>
3332
3333 PR tree-optimization/31769
3334 * except.c (duplicate_eh_regions): Clear prev_try if
3335 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
3336
3337 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3338
3339 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
3340 * tree-ssa-sink.c (statement_sink_location): Return basic block and
3341 bsi of the location where statements should be inserted.
3342 (sink_code_in_bb): Take bsi from statement_sink_location.
3343 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
3344 instead of bsi_start.
3345 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
3346 bsi_insert_after.
3347 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
3348 (bsi_move_before): Document inconsistency with bsi_move_after.
3349 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
3350
3351 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3352
3353 * config/i386/i386.h (TARGET_ABM): New define.
3354 (TARGET_POPCNT): Ditto.
3355 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
3356 New temporary defines to redefine from OPTION_ISA_* defines.
3357 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
3358 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
3359 (ix86_isa_flags): New extern int declaration.
3360 (TARGET_SUBTARGET_DEFAULT): New define.
3361 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
3362 (TARGET_SUBTARGET32_DEFAULT): Ditto.
3363 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
3364 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3365 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
3366 * config/i386/darwin.h: Change TARGET_64BIT define to
3367 OPTION_ISA_64BIT.
3368
3369 * config/i386/i386.opt (m3dnowa): Define as undocumented option
3370 using existing "ix86_isa_flags" varible.
3371 (m32, m64): Use existing "ix86_isa_flags" variable.
3372 (mmmx, m3dnow): Ditto.
3373 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
3374 (mabm): Define as non-negative option using "x86_abm" variable.
3375 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
3376
3377 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
3378 Rewrite feature test bitmap.
3379 (ix86_isa_flags): New initialized global int varible.
3380 (ix86_isa_flags_explicit): New static int variable.
3381 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
3382 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
3383 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
3384 target_flags_explicit.
3385 (override_options): Remove "target_enable" and "target_disable" fields
3386 from "struct ptt". Update processor_target_table accordingly. Remove
3387 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
3388 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
3389 "target_flags" and "ix86_isa_flags_explicit" instead of
3390 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
3391 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
3392 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
3393 to true when either of PTA_POPCNT or PTA_ABM is set in
3394 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
3395 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
3396 processor_alias_table flags entry. Remove handling of
3397 "target_enable" and "target_disable" fields of processor_target_table.
3398 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
3399 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
3400 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
3401 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
3402 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
3403 "target_flags".
3404 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
3405
3406 2007-05-29 David Daney <ddaney@avtrex.com>
3407
3408 PR gcc/31975
3409 * config/mips/mips.c (mips_output_mi_thunk): Emit
3410 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
3411
3412 2007-05-29 Hui-May Chang <hm.chang@apple.com>
3413 * config/i386/i386.c (ix86_function_regparm): Added checking of
3414 ix86_force_align_arg_pointer to determine the number of
3415 register parameters.
3416
3417 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
3418
3419 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
3420 (SET_DR_MISALIGNMENT): New.
3421 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
3422 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
3423 Use SET_DR_MISALIGNMENT.
3424 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
3425 pointer.
3426 * tree-data-ref.c (create_data_ref, compute_all_dependences,
3427 find_loop_nest): Export.
3428 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
3429 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
3430 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
3431 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
3432 New macros.
3433 (struct mem_ref): Add field reuse_distance.
3434 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
3435 Initialize reuse_distance field.
3436 (issue_prefetch_ref): Select temporality of prefetch according to
3437 reuse_distance.
3438 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
3439 self_reuse_distance, determine_loop_nest_reuse): New functions.
3440 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
3441 (tree_ssa_prefetch_arrays): Dump L2 cache size.
3442 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
3443 dependency.
3444
3445 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
3446
3447 * tree-ssa-alias.c: Add aliasing overview.
3448
3449 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
3450 Danny Smith <dannysmith@users.sourceforge.net>
3451
3452 PR target/29498
3453 * config/i386/t-crtfm: Compile crtfastmath.o with
3454 -minline-all-stringops.
3455 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
3456 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
3457
3458 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3459
3460 * doc/md.texi: Document constraints on HP PA-RISC.
3461
3462 * pa/constraints.md: New file.
3463 * pa.md: Include constraints.md.
3464 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
3465 (integer_store_memory_operand, ldil_cint_p): New functions.
3466 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
3467 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
3468 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
3469 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
3470 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
3471
3472 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
3473
3474 PR c/31339
3475 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
3476 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
3477 case POSTDECREMENT_EXPR>): Return the error_mark_node
3478 if either the real or imaginary parts would an
3479 error_mark_node.
3480
3481 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
3482
3483 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
3484 name when we remove it from a call.
3485
3486 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
3487
3488 * targhooks.c (default_narrow_bitfield): Remove.
3489 * targhooks.h: Remove the prototype for
3490 default_narrow_bitfield.
3491
3492 * langhooks-def.h: Remove the prototype for
3493 hook_get_alias_set_0.
3494 * langhooks.c (hook_get_alias_set_0): Remove.
3495
3496 * global.c (EXECUTE_IF_CONFLICT): Remove.
3497
3498 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3499
3500 PR tree-opt/32100
3501 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
3502 return true when truth_value_p is true and the type
3503 is of signed:1.
3504
3505 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
3506
3507 * doc/install.texi (Prerequisites): We no longer require Autoconf
3508 2.13 for the top-level.
3509
3510 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
3511
3512 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
3513 memory access via x86_expand_vector_move_misalign() only for
3514 TImode values on 32-bit targets.
3515
3516 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
3517
3518 * matrix-reorg.c: New file. Implement matrix flattening and
3519 transposing optimization.
3520 * tree-pass.h: Add matrix reorg pass.
3521 * common.opt: Add fipa-mreorg flag.
3522 * Makefile.in: Add matrix-reorg.c.
3523 * passes.c: Add matrix reorg pass.
3524 * varpool.c (add_new_static_var): New function.
3525 * cgraph.h (add_new_static_var): Declare.
3526
3527 2007-05-27 Eric Christopher <echristo@apple.com>
3528
3529 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
3530 sp_offset depending on stack size. Save r12 depending
3531 on registers we're saving later.
3532 (rs6000_emit_epilogue): Update sp_offset depending only
3533 on stack size.
3534
3535 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
3536
3537 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
3538 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3539 * ifcvt.c (if_convert): Ditto.
3540 * tree-ssa-threadupdate.c (thread_block): Ditto.
3541 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
3542 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
3543 verify_loop_closed_ssa): Check number_of_loops instead of
3544 current_loops.
3545 * predict.c (tree_estimate_probability): Ditto.
3546 * tree-if-conv.c (main_tree_if_conversion): Ditto.
3547 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3548 * modulo-sched.c (sms_schedule): Ditto.
3549 * tree-scalar-evolution.c (scev_const_prop): Ditto.
3550 (scev_finalize): Do not do anything if scev analysis was not
3551 initialized.
3552 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
3553 current_loops == NULL.
3554 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
3555 * loop-init.c (loop_optimizer_init): Do not free current_loops when
3556 there are no loops.
3557 (loop_optimizer_finalize): Assert that loops were analyzed.
3558 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
3559 rtl_doloop): Check number_of_loops instead of current_loops.
3560 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
3561 current_loops == NULL.
3562 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
3563 gate_tree_vectorize tree_linear_transform, check_data_deps,
3564 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3565 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
3566 Check number_of_loops instead of current_loops.
3567 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
3568 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
3569 free loops if available.
3570 (execute_pre): Do not pass do_fre to fini_pre.
3571
3572 2007-05-27 Tobias Burnus <burnus@net-b.de>
3573
3574 PR middle-end/32083
3575 * real.c (mpfr_from_real): Fix sign of -Inf.
3576
3577 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
3578
3579 * tree-vect-transform.c (vectorizable_conversion): Initialize
3580 tree_code variables to ERROR_MARK.
3581 (vectorizable_type_demotion): Likewise.
3582 (vectorizable_type_promotion): Likewise.
3583
3584 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3585
3586 PR target/32065
3587 * config/i386/i386.md (movti): Handle push operands via
3588 ix86_expand_push().
3589
3590 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3591
3592 * basic-block.h: Remove the prototype for merge_seq_blocks.
3593 * cfgcleanup.c (merge_seq_blocks): Remove.
3594
3595 * tree-flow.h: Remove the prototype for is_aliased_with.
3596 * tree-ssa-alias.c (is_aliased_with): Remove.
3597
3598 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
3599
3600 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
3601
3602 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
3603
3604 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
3605 ix86_expand_sse4_unpack if SSE4.1 is enabled.
3606 (vec_unpacks_hi_v16qi): Likewise.
3607 (vec_unpacku_lo_v16qi): Likewise.
3608 (vec_unpacks_lo_v16qi): Likewise.
3609 (vec_unpacku_hi_v8hi): Likewise.
3610 (vec_unpacks_hi_v8hi): Likewise.
3611 (vec_unpacku_lo_v8hi): Likewise.
3612 (vec_unpacks_lo_v8hi): Likewise.
3613 (vec_unpacku_hi_v4si): Likewise.
3614 (vec_unpacks_hi_v4si): Likewise.
3615 (vec_unpacku_lo_v4si): Likewise.
3616 (vec_unpacks_lo_v4si): Likewise.
3617
3618 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
3619
3620 * c-typeck.c, config/arm/arm.c, config/darwin.c,
3621 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
3622 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
3623 follow spelling conventions in various
3624 warning/error/diagnostic messages.
3625
3626 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
3627 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
3628 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
3629 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
3630 tree-vrp.c: Fix comment typos. Follow spelling conventions.
3631 * doc/tm.texi: Follow spelling conventions.
3632
3633 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3634
3635 PR tree-opt/32090
3636 * tree-ssa-forwprop.c
3637 (forward_propagate_addr_into_variable_array_index): Remove
3638 the lhs argument. Use the type of def_rhs instead of lhs.
3639 (forward_propagate_addr_expr_1): Update use of
3640 forward_propagate_addr_into_variable_array_index.
3641
3642 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
3643 Nigel Stephens <nigel@mips.com>
3644
3645 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
3646 function attributes, "far" being an alias for "long_call".
3647 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
3648 (mips_near_type_p, mips_far_type_p): New.
3649 (mips_comp_type_attributes): New function to check that attributes
3650 attached to a function type are compatible.
3651 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
3652 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
3653 to the target function of the thunk.
3654 (mips_encode_section_info): Check for "near" and "far" function
3655 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
3656
3657 * config/mips/predicates.md (const_call_insn_operand): Test only
3658 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
3659
3660 * doc/extend.texi (Function Attributes): Document MIPS "near" and
3661 "far" attributes.
3662
3663 * testsuite/gcc.target/mips/near-far-1.c: New test case.
3664 * testsuite/gcc.target/mips/near-far-2.c: New test case.
3665 * testsuite/gcc.target/mips/near-far-3.c: New test case.
3666 * testsuite/gcc.target/mips/near-far-4.c: New test case.
3667
3668 2007-05-25 Eric Christopher <echristo@apple.com>
3669
3670 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
3671 to x86-darwin configurations.
3672 * config/i386/t-darwin: Add softfp support.
3673 * config/i386/t-darwin64: Ditto.
3674 * config/i386/sfp-machine.h: If mach then don't use
3675 aliasing, emit a stub to call.
3676
3677 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
3678
3679 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
3680 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
3681 tree-predcom.c, tree-ssa-alias-warnings.c,
3682 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
3683 comment typos. Follow spelling conventions.
3684 * doc/cpp.texi, doc/invoke.texi: Fix typos.
3685
3686 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
3687
3688 PR target/32065
3689 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
3690 constants into memory. Expand unaligned memory references for
3691 SSE modes via x86_expand_vector_move_misalign() function.
3692
3693 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
3694
3695 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
3696 "memory" attribute for "sseishft" type insn without operands[2].
3697
3698 2007-05-25 Dirk Mueller <dmueller@suse.de>
3699 Marcus Meissner <meissner@suse.de>
3700
3701 * doc/extend.texi (alloc_size): New attribute.
3702 * c-common.c (handle_alloc_size_attribute): New.
3703 * tree-object-size.c (alloc_object_size): Use alloc_size
3704 attribute, if available.
3705
3706 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3707
3708 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
3709 with MASK_SSE2.
3710 (__builtin_ia32_vec_ext_v2di): Likewise.
3711 (__builtin_ia32_vec_ext_v4si): Likewise.
3712 (__builtin_ia32_vec_ext_v8hi): Likewise.
3713 (__builtin_ia32_vec_ext_v16qi): Likewise.
3714 (__builtin_ia32_vec_set_v8hi): Likewise.
3715
3716 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
3717
3718 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
3719
3720 2007-05-25 Richard Sandiford <richard@codesourcery.com>
3721
3722 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
3723 (arm_is_longcall_p): Rename to...
3724 (arm_is_long_call_p): ...this. Take a single tree argument and
3725 return a bool.
3726 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
3727 (CUMULATIVE_ARGS): Remove call_cookie.
3728 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
3729 (ENCODED_LONG_CALL_ATTR_P): Delete.
3730 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
3731 LONG_CALL_FLAG_CHAR cases.
3732 (ARM_DECLARE_FUNCTION_SIZE): Delete.
3733 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
3734 ARM_DECLARE_FUNCTION_SIZE.
3735 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
3736 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
3737 (arm_encode_call_attribute, current_file_function_operand): Delete.
3738 (arm_function_in_section_p): New function.
3739 (arm_is_longcall_p): Rename to...
3740 (arm_is_long_call_p): ...this. Take the target function as a single
3741 argument and return a bool. Do not rely on call cookies. Check
3742 whether the target symbol is in the same section as the current
3743 function, not just the same compilation unit.
3744 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
3745 (arm_encode_section_info): Don't encode a call type.
3746 * config/arm/arm.md (call, call_value): Update calls to
3747 arm_is_long(_)call_p. Simplify logic.
3748 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
3749 Update calls to arm_is_long(_)call_p.
3750
3751 2007-05-25 Richard Guenther <rguenther@suse.de>
3752
3753 PR tree-optimization/31982
3754 * tree-ssa-forwprop.c
3755 (forward_propagate_addr_into_variable_array_index): Handle arrays
3756 with element size one.
3757
3758 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3759
3760 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
3761 (umulsi3_highpart): Likewise.
3762
3763 2007-05-24 Ian Lance Taylor <iant@google.com>
3764
3765 PR rtl-optimization/32069
3766 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
3767 is NULL.
3768
3769 2007-05-24 Ollie Wild <aaw@google.com>
3770
3771 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
3772 description.
3773
3774 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
3775
3776 * postreload-gcse.c (reg_changed_after_insn_p): New function.
3777 (oprs_unchanged_p): Use it to check all registers in a REG.
3778 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
3779 (reg_set_between_after_reload_p): Delete.
3780 (reg_used_between_after_reload_p): Likewise.
3781 (reg_set_or_used_since_bb_start): Likewise.
3782 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
3783 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
3784 Use reg_set_between_p instead of reg_set_between_after_reload_p.
3785 * rtlanal.c (reg_set_p): Check whether REG overlaps
3786 regs_invalidated_by_call, rather than just checking the
3787 membership of REGNO (REG).
3788
3789 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3790
3791 * doc/passes.texi: Document predictive commoning.
3792 * doc/invoke.texi (-fpredictive-commoning): Document.
3793 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
3794 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
3795 adding indices to the generated name.
3796 (schedule_sm): Pass 0 to get_lsm_tmp_name.
3797 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
3798 * tree-pretty-print.c (op_symbol_1): Renamed to ...
3799 (op_symbol_code): ... and exported.
3800 (dump_omp_clause, op_symbol): Use op_symbol_code
3801 instead of op_symbol_1.
3802 * tree-pass.h (pass_predcom): Declare.
3803 * timevar.def (TV_PREDCOM): New timevar.
3804 * tree-ssa-loop.c (run_tree_predictive_commoning,
3805 gate_tree_predictive_commoning, pass_predcom): New.
3806 * tree-data-ref.c (find_data_references_in_loop): Find the
3807 references in dominance order.
3808 (canonicalize_base_object_address): Ensure that the result has
3809 pointer type.
3810 (dr_analyze_innermost): Export.
3811 (create_data_ref): Code to fail for references with invariant
3812 address moved ...
3813 (find_data_references_in_stmt): ... here.
3814 * tree-data-ref.h (dr_analyze_innermost): Declare.
3815 * tree-affine.c: Include tree-gimple.h and hashtab.h.
3816 (aff_combination_find_elt, name_expansion_hash,
3817 name_expansion_eq, tree_to_aff_combination_expand,
3818 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
3819 New functions.
3820 * tree-affine.h (aff_combination_constant_multiple_p,
3821 tree_to_aff_combination_expand): Declare.
3822 * tree-predcom.c: New file.
3823 * common.opt (fpredictive-commoning): New option.
3824 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
3825 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
3826 * Makefile.in (tree-predcom.o): Add.
3827 (tree-affine.o): Add TREE_GIMPLE_H dependency.
3828 * passes.c (init_optimization_passes): Add dceloop after
3829 copy propagation in loop optimizer. Add predictive commoning
3830 to loop optimizer passes.
3831
3832 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3833
3834 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
3835 default hook.
3836
3837 2007-05-24 Jan Hubicka <jh@suse.cz>
3838
3839 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
3840 statistics.
3841 (genheader): Include statistics.h.
3842
3843 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
3844 notes are gone.
3845 * print-rtl.c (flag_dump_unnumbered): Update comments.
3846 (print_rtl): Fix my previous change.
3847 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
3848 specific data.
3849
3850 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3851
3852 PR middle-end/32018
3853 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
3854 set_loop_copy.
3855 (thread_through_all_blocks): Call initialize_original_copy_tables
3856 and free_original_copy_tables.
3857 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
3858 Use set_loop_copy.
3859 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
3860 * cfghooks.c (duplicate_block): Use get_loop_copy.
3861 * cfg.c: Include cfgloop.h.
3862 (loop_copy): New hash table.
3863 (initialize_original_copy_tables): Initialize loop_copy table.
3864 (free_original_copy_tables): Free loop_copy table.
3865 (copy_original_table_clear, copy_original_table_set,
3866 set_loop_copy, get_loop_copy): New functions.
3867 (set_bb_original, set_bb_copy): Use copy_original_table_set.
3868 * cfgloop.h (struct loop): Remove copy field.
3869 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
3870 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
3871
3872 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3873
3874 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
3875 -msse/-msse2/-msse3.
3876
3877 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
3878
3879 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
3880 __builtin_ia32_vec_set_v2di with MASK_64BIT.
3881
3882 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
3883
3884 PR target/27067
3885 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
3886 * targhooks.h (default_mangle_decl_assembler_name): Declare
3887 default hook.
3888 * targhooks.c (default_mangle_decl_assembler_name): Define
3889 default hook.
3890 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
3891 default hook.
3892 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
3893 * langhooks.c (lhd_set_decl_assembler_name): Call
3894 targetm.mangle_decl_assembler_name for names with global scope.
3895
3896 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
3897 default.
3898 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
3899 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
3900 Declare.
3901 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
3902 New. Factored out of i386_pe_encode_section_info.
3903 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
3904 Move check for prior decoration of stdcall
3905 symbols to i386_pe_encode_section_info.
3906 (i386_pe_encode_section_info): Adjust call to
3907 gen_stdcall_or_fastcall_suffix. Use
3908 i386_pe_maybe_mangle_decl_assembler_name, if needed.
3909 (i386_pe_mangle_decl_assembler_name): New. Wrap
3910 i386_pe_maybe_mangle_decl_assembler_name.
3911
3912 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
3913
3914 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
3915 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
3916 * langhooks.c (get_signed_or_unsigned_type): Don't check for
3917 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
3918 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
3919 TYPE_UNSIGNED.
3920
3921 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
3922 Nigel Stephens <nigel@mips.com>
3923 Richard Sandiford <richard@codesourcery.com>
3924
3925 Fix up MIPS16 hard float and add support for complex.
3926
3927 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
3928 (TARGET_SOFT_FLOAT_ABI): New.
3929 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
3930 __mips_soft_float to reflect the ABI in use, not whether the
3931 FPU is directly accessible (e.g., in MIPS16 mode).
3932 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
3933 (UNITS_PER_FPVALUE): Likewise.
3934
3935 * config/mips/mips.c (mips_expand_call): Remove redundant
3936 TARGET_MIPS16 check.
3937 (mips_arg_regno): New.
3938 (function_arg_advance): When setting bits in cum->fp_code for
3939 MIPS16, don't subtract 1 from cum->arg_number, since it is now
3940 zero-based.
3941 (function_arg): Use mips_arg_regno.
3942 (mips_return_mode_in_fpr_p): New.
3943 (mips16_call_stub_mode_suffix): New.
3944 (mips16_cfun_returns_in_fpr_p): New.
3945 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
3946 (mips_output_function_prologue): Test mips16_hard_float, not
3947 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
3948 (mips_expand_epilogue): Call MIPS16 helper routines to copy
3949 return value into a floating-point register.
3950 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
3951 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
3952 (mips16_fp_args): Handle MIPS32r2 ISA which supports
3953 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
3954 word of double arguments from or to the high bits of 64-bit
3955 floating point registers.
3956 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
3957 (mips16_fpret_double): New helper function.
3958 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
3959 support for complex modes. Fill in DECL_RESULT for stubdecl.
3960 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
3961
3962 * config/mips/mips16.S
3963 (RET, ARG1, ARG2): New.
3964 (MERGE_GPRf, MERGE_GPRt): New.
3965 (DELAYt, DELAYf): New.
3966 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
3967 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
3968 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
3969 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
3970 (SFOP): Renamed to...
3971 (OPSF3): This, and macro-ified. Updated all uses.
3972 (SFOP2): Renamed to...
3973 (OPSF2): This, and macro-ified. Updated all uses.
3974 (SFCMP): Renamed to...
3975 (CMPSF): This, and macro-ified. Updated all uses.
3976 (SFREVCMP): Renamed to...
3977 (REVCMPSF): This, and macro-ified. Updated all uses.
3978 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
3979 (LDDBL1, LDDBL2, RETDBL): Deleted.
3980 (DFOP): Renamed to...
3981 (OPDF3): This, and macro-ified. Updated all uses.
3982 (DFOP2): Renamed to...
3983 (OPDF2): This, and macro-ified. Updated all uses.
3984 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
3985 (DFCMP): Renamed to...
3986 (CMPDF): This, and macro-ified. Updated all uses.
3987 (DFREVCMP): Renamed to...
3988 (REVCMPDF): This, and macro-ified. Updated all uses.
3989 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
3990 (RET_FUNCTION): New.
3991 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
3992 (__mips16_ret_sc, __mips16_ret_dc): New.
3993 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
3994 STUB_ARGS_6, STUB_ARGS_10): New.
3995 (CALL_STUB_NO_RET): New.
3996 (__mips16_call_stub_1): Macro-ified.
3997 (__mips16_call_stub_5): Macro-ified.
3998 (__mips16_call_stub_2): Macro-ified.
3999 (__mips16_call_stub_6): Macro-ified.
4000 (__mips16_call_stub_9): Macro-ified.
4001 (__mips16_call_stub_10): Macro-ified.
4002 (CALL_STUB_RET): New.
4003 (__mips16_call_stub_sf_0): Macro-ified.
4004 (__mips16_call_stub_sf_1): Macro-ified.
4005 (__mips16_call_stub_sf_5): Macro-ified.
4006 (__mips16_call_stub_sf_2): Macro-ified.
4007 (__mips16_call_stub_sf_6): Macro-ified.
4008 (__mips16_call_stub_sf_9): Macro-ified.
4009 (__mips16_call_stub_sf_10): Macro-ified.
4010 (__mips16_call_stub_df_0): Macro-ified.
4011 (__mips16_call_stub_df_1): Macro-ified.
4012 (__mips16_call_stub_df_5): Macro-ified.
4013 (__mips16_call_stub_df_2): Macro-ified.
4014 (__mips16_call_stub_df_6): Macro-ified.
4015 (__mips16_call_stub_df_9): Macro-ified.
4016 (__mips16_call_stub_df_10): Macro-ified.
4017 (__mips16_call_stub_sc_0): New.
4018 (__mips16_call_stub_sc_1): New.
4019 (__mips16_call_stub_sc_5): New.
4020 (__mips16_call_stub_sc_2): New.
4021 (__mips16_call_stub_sc_6): New.
4022 (__mips16_call_stub_sc_9): New.
4023 (__mips16_call_stub_sc_10): New.
4024 (__mips16_call_stub_dc_0): New.
4025 (__mips16_call_stub_dc_1): New.
4026 (__mips16_call_stub_dc_5): New.
4027 (__mips16_call_stub_dc_2): New.
4028 (__mips16_call_stub_dc_6): New.
4029 (__mips16_call_stub_dc_9): New.
4030 (__mips16_call_stub_dc_10): New.
4031
4032 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
4033 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
4034 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
4035
4036 2007-05-23 Ian Lance Taylor <iant@google.com>
4037
4038 * doc/invoke.texi (Invoking GCC): Document that the order of the
4039 -l option matters.
4040
4041 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
4042
4043 PR target/30987
4044 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
4045 * config/score/predicate.md (const_pow2, const_npow2): Remove.
4046 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
4047 undef.
4048
4049 PR target/30474
4050 * config/score/score.c (score_print_operand): Make sure that only
4051 lower bits are used.
4052
4053 2007-05-22 Ian Lance Taylor <iant@google.com>
4054
4055 * tree-vrp.c (avoid_overflow_infinity): New static function,
4056 broken out of set_value_range_to_value.
4057 (set_value_range_to_value): Call avoid_overflow_infinity.
4058 (extract_range_from_assert): Likewise.
4059
4060 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
4061
4062 PR middle-end/31095
4063 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
4064 change the type before looking for a COMPOUND_EXPR.
4065
4066 2007-05-22 Ian Lance Taylor <iant@google.com>
4067
4068 * lower-subreg.c (decompose_multiword_subregs): If we change an
4069 insn, call remove_retval_note on it.
4070
4071 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4072
4073 * regs.h (end_hard_regno): New function.
4074 (END_HARD_REGNO, END_REGNO): New macros.
4075 (add_to_hard_reg_set): New function.
4076 (remove_from_hard_reg_set): Likewise.
4077 (in_hard_reg_set_p): Likewise.
4078 (overlaps_hard_reg_set_p): Likewise.
4079 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
4080 (note_btr_set): Use END_HARD_REGNO.
4081 * caller-save.c (setup_save_areas): Use end_hard_regno.
4082 (mark_set_regs): Use END_HARD_REGNO.
4083 (add_stored_regs): Use end_hard_regno.
4084 (mark_referenced_regs): Use add_to_hard_reg_set.
4085 * combine.c (update_table_tick): Use END_REGNO.
4086 (record_value_for_reg): Likewise.
4087 (record_dead_and_set_regs): Likewise.
4088 (get_last_value_validate): Likewise.
4089 (use_crosses_set_p): Likewise.
4090 (reg_dead_at_p_1): Likewise.
4091 (reg_dead_at_p): Likewise.
4092 (mark_used_regs_combine): Use add_to_hard_reg_set.
4093 (move_deaths): Use END_HARD_REGNO.
4094 (reg_bitfield_target_p): Use end_hard_regno.
4095 (distribute_notes): Use END_HARD_REGNO.
4096 * cse.c (mention_regs): Use END_REGNO.
4097 (insert): Use add_to_hard_reg_set.
4098 (invalidate): Use END_HARD_REGNO.
4099 (invalidate_for_call): Likewise.
4100 (exp_equiv_p): Use END_REGNO.
4101 (cse_insn): Likewise.
4102 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
4103 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
4104 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
4105 * function.c (keep_stack_depressed): Use end_hard_regno.
4106 * global.c (global_alloc): Use end_hard_regno.
4107 (global_conflicts): Use add_to_hard_reg_set instead of
4108 mark_reg_live_nc.
4109 (find_reg): Likewise.
4110 (mark_reg_store): Likewise.
4111 (mark_reg_conflicts): Likewise.
4112 (mark_reg_death): Use remove_from_hard_reg_set.
4113 (mark_reg_live_nc): Delete.
4114 (set_preference): Use end_hard_regno.
4115 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
4116 remove_from_hard_reg_set.
4117 (post_mark_life): Use add_to_hard_reg_set.
4118 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
4119 (reg_becomes_live): Use add_to_hard_reg_set.
4120 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
4121 (peep2_find_free_register): Use add_to_hard_reg_set.
4122 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
4123 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
4124 * regrename.c (note_sets): Use add_to_hard_reg_set.
4125 (clear_dead_regs): Use remove_from_hard_reg_set.
4126 (regrename_optimize): Use add_to_hard_reg_set.
4127 (find_oldest_value_reg): Use in_hard_reg_set_p.
4128 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
4129 (hard_reg_set_here_p): Use end_hard_regno.
4130 (decompose): Likewise.
4131 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
4132 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
4133 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
4134 (mark_home_live): Use end_hard_regno.
4135 (spill_hard_reg): Likewise.
4136 (clear_reload_reg_in_use): Likewise.
4137 * reorg.c (delete_prior_computation): Use END_REGNO.
4138 * resource.c (update_live_status): Use END_HARD_REGNO.
4139 (mark_referenced_resources): Use add_to_hard_reg_set.
4140 (mark_set_resources): Likewise.
4141 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
4142 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
4143 (reg_overlap_mentioned_p): Likewise.
4144 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
4145 (covers_regno_no_parallel_p): Use END_REGNO.
4146 (find_regno_note): Likewise.
4147 (find_reg_fusage): Use END_HARD_REGNO.
4148 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
4149 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
4150
4151 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4152
4153 * mode-switching.c (reg_dies): Change type of second argument to
4154 "HARD_REG_SET *".
4155 (optimize_mode_switching): Update accordingly.
4156
4157 2007-05-22 Richard Sandiford <richard@codesourcery.com>
4158
4159 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
4160 in favor of...
4161 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
4162 (hard_reg_set_empty_p): ...these new functions.
4163 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
4164 GO_IF_HARD_REG_SUBSET.
4165 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
4166 instead of GO_IF_HARD_REG_EQUAL.
4167 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
4168 instead of GO_IF_HARD_REG_EQUAL.
4169 * global.c (find_reg): Use hard_reg_set_empty_p instead of
4170 GO_IF_HARD_REG_SUBSET.
4171 (modify_reg_pav): Use hard_reg_set_empty_p instead of
4172 GO_IF_HARD_REG_EQUAL.
4173 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
4174 of GO_IF_HARD_REG_SUBSET.
4175 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
4176 instead of GO_IF_HARD_REG_EQUAL.
4177 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
4178 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
4179 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
4180 of GO_IF_HARD_REG_SUBSET,
4181 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
4182 GO_IF_HARD_REG_SUBSET.
4183 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
4184 instead of GO_IF_HARD_REG_EQUAL.
4185 * config/sh/sh.c (push_regs, calc_live_regs): Use
4186 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
4187 (hard_regs_intersect_p): Delete.
4188
4189 2007-05-22 Janis Johnson <janis187@us.ibm.com>
4190
4191 * doc/sourcebuild.texi (Test Directives) Add dg-message.
4192
4193 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
4194 Richard Henderson <rth@redhat.com>
4195
4196 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
4197 extra_headers.
4198 (x86_64-*-*): Likewise.
4199
4200 * i386/i386-modes.def (V2QI): New.
4201
4202 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
4203 SSE4A.
4204 (override_options): Support SSE4.1.
4205 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
4206 (IX86_BUILTIN_BLENDPS): Likewise.
4207 (IX86_BUILTIN_BLENDVPD): Likewise.
4208 (IX86_BUILTIN_BLENDVPS): Likewise.
4209 (IX86_BUILTIN_PBLENDVB128): Likewise.
4210 (IX86_BUILTIN_PBLENDW128): Likewise.
4211 (IX86_BUILTIN_DPPD): Likewise.
4212 (IX86_BUILTIN_DPPS): Likewise.
4213 (IX86_BUILTIN_INSERTPS128): Likewise.
4214 (IX86_BUILTIN_MOVNTDQA): Likewise.
4215 (IX86_BUILTIN_MPSADBW128): Likewise.
4216 (IX86_BUILTIN_PACKUSDW128): Likewise.
4217 (IX86_BUILTIN_PCMPEQQ): Likewise.
4218 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
4219 (IX86_BUILTIN_PMAXSB128): Likewise.
4220 (IX86_BUILTIN_PMAXSD128): Likewise.
4221 (IX86_BUILTIN_PMAXUD128): Likewise.
4222 (IX86_BUILTIN_PMAXUW128): Likewise.
4223 (IX86_BUILTIN_PMINSB128): Likewise.
4224 (IX86_BUILTIN_PMINSD128): Likewise.
4225 (IX86_BUILTIN_PMINUD128): Likewise.
4226 (IX86_BUILTIN_PMINUW128): Likewise.
4227 (IX86_BUILTIN_PMOVSXBW128): Likewise.
4228 (IX86_BUILTIN_PMOVSXBD128): Likewise.
4229 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
4230 (IX86_BUILTIN_PMOVSXWD128): Likewise.
4231 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
4232 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
4233 (IX86_BUILTIN_PMOVZXBW128): Likewise.
4234 (IX86_BUILTIN_PMOVZXBD128): Likewise.
4235 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
4236 (IX86_BUILTIN_PMOVZXWD128): Likewise.
4237 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
4238 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
4239 (IX86_BUILTIN_PMULDQ128): Likewise.
4240 (IX86_BUILTIN_PMULLD128): Likewise.
4241 (IX86_BUILTIN_ROUNDPD): Likewise.
4242 (IX86_BUILTIN_ROUNDPS): Likewise.
4243 (IX86_BUILTIN_ROUNDSD): Likewise.
4244 (IX86_BUILTIN_ROUNDSS): Likewise.
4245 (IX86_BUILTIN_PTESTZ): Likewise.
4246 (IX86_BUILTIN_PTESTC): Likewise.
4247 (IX86_BUILTIN_PTESTNZC): Likewise.
4248 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
4249 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
4250 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
4251 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
4252 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
4253 (bdesc_ptest): New.
4254 (bdesc_sse_3arg): Likewise.
4255 (bdesc_2arg): Likewise.
4256 (bdesc_1arg): Likewise.
4257 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
4258 with 3 args.
4259 (ix86_expand_sse_4_operands_builtin): New.
4260 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
4261 smaller than 8 bits as the 2nd arg.
4262 (ix86_expand_sse_ptest): New.
4263 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
4264 (ix86_expand_vector_set): Support SSE4.1.
4265 (ix86_expand_vector_extract): Likewise.
4266
4267 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
4268 __SSE4_1__ for -msse4.1.
4269
4270 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
4271 (UNSPEC_INSERTPS): Likewise.
4272 (UNSPEC_DP): Likewise.
4273 (UNSPEC_MOVNTDQA): Likewise.
4274 (UNSPEC_MPSADBW): Likewise.
4275 (UNSPEC_PHMINPOSUW): Likewise.
4276 (UNSPEC_PTEST): Likewise.
4277 (UNSPEC_ROUNDP): Likewise.
4278 (UNSPEC_ROUNDS): Likewise.
4279
4280 * config/i386/i386.opt (msse4.1): New for SSE4.1.
4281
4282 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
4283 (const_pow2_1_to_32768_operand): Likewise.
4284
4285 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
4286 file.
4287
4288 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
4289 SSE4.1.
4290 (sse4_1_insertps): Likewise.
4291 (*sse4_1_extractps): Likewise.
4292 (sse4_1_ptest): Likewise.
4293 (sse4_1_mulv2siv2di3): Likewise.
4294 (*sse4_1_mulv4si3): Likewise.
4295 (*sse4_1_smax<mode>3): Likewise.
4296 (*sse4_1_umax<mode>3): Likewise.
4297 (*sse4_1_smin<mode>3): Likewise.
4298 (*sse4_1_umin<mode>3): Likewise.
4299 (sse4_1_eqv2di3): Likewise.
4300 (*sse4_1_pinsrb): Likewise.
4301 (*sse4_1_pinsrd): Likewise.
4302 (*sse4_1_pinsrq): Likewise.
4303 (*sse4_1_pextrb): Likewise.
4304 (*sse4_1_pextrb_memory): Likewise.
4305 (*sse4_1_pextrw_memory): Likewise.
4306 (*sse4_1_pextrq): Likewise.
4307 (sse4_1_blendpd): Likewise.
4308 (sse4_1_blendps): Likewise.
4309 (sse4_1_blendvpd): Likewise.
4310 (sse4_1_blendvps): Likewise.
4311 (sse4_1_dppd): Likewise.
4312 (sse4_1_dpps): Likewise.
4313 (sse4_1_movntdqa): Likewise.
4314 (sse4_1_mpsadbw): Likewise.
4315 (sse4_1_packusdw): Likewise.
4316 (sse4_1_pblendvb): Likewise.
4317 (sse4_1_pblendw): Likewise.
4318 (sse4_1_phminposuw): Likewise.
4319 (sse4_1_extendv8qiv8hi2): Likewise.
4320 (*sse4_1_extendv8qiv8hi2): Likewise.
4321 (sse4_1_extendv4qiv4si2): Likewise.
4322 (*sse4_1_extendv4qiv4si2): Likewise.
4323 (sse4_1_extendv2qiv2di2): Likewise.
4324 (*sse4_1_extendv2qiv2di2): Likewise.
4325 (sse4_1_extendv4hiv4si2): Likewise.
4326 (*sse4_1_extendv4hiv4si2): Likewise.
4327 (sse4_1_extendv2hiv2di2): Likewise.
4328 (*sse4_1_extendv2hiv2di2): Likewise.
4329 (sse4_1_extendv2siv2di2): Likewise.
4330 (*sse4_1_extendv2siv2di2): Likewise.
4331 (sse4_1_zero_extendv8qiv8hi2): Likewise.
4332 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
4333 (sse4_1_zero_extendv4qiv4si2): Likewise.
4334 (*sse4_1_zero_extendv4qiv4si2): Likewise.
4335 (sse4_1_zero_extendv2qiv2di2): Likewise.
4336 (*sse4_1_zero_extendv2qiv2di2): Likewise.
4337 (sse4_1_zero_extendv4hiv4si2): Likewise.
4338 (*sse4_1_zero_extendv4hiv4si2): Likewise.
4339 (sse4_1_zero_extendv2hiv2di2): Likewise.
4340 (*sse4_1_zero_extendv2hiv2di2): Likewise.
4341 (sse4_1_zero_extendv2siv2di2): Likewise.
4342 (*sse4_1_zero_extendv2siv2di2): Likewise.
4343 (sse4_1_roundpd): Likewise.
4344 (sse4_1_roundps): Likewise.
4345 (sse4_1_roundsd): Likewise.
4346 (sse4_1_roundss): Likewise.
4347 (mulv4si3): Don't expand for SSE4.1.
4348 (smax<mode>3): Likewise.
4349 (umaxv4si3): Likewise.
4350 (uminv16qi3): Likewise.
4351 (umin<mode>3): Likewise.
4352 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
4353
4354 * doc/extend.texi: Document SSE4.1 built-in functions.
4355
4356 * doc/invoke.texi: Document -msse4.1.
4357
4358 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
4359
4360 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
4361 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
4362 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
4363 (ASM_SPEC): Add asm_pcrel_spec.
4364 (EXTRA_SPECS): Add asm_pcrel_spec.
4365
4366 2007-05-21 David Daney <ddaney@avtrex.com>
4367
4368 * doc/install.texi (Building a cross compiler): Add requirements
4369 for Java cross compiler.
4370
4371 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
4372
4373 PR middle-end/31995
4374 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
4375 Add loopno argument. Use evolution_function_is_invariant_rec_p
4376 instead of evolution_function_is_constant_p.
4377 Update calls to evolution_function_is_affine_multivariate_p.
4378 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
4379 Add loopno argument.
4380 * tree-scalar-evolution.c (gather_chrec_stats): Call
4381 evolution_function_is_affine_multivariate_p with a loop
4382 number of 0.
4383 * tree-data-ref.c (analyze_miv_subscript): Likewise.
4384 (analyze_overlapping_iterations): Likewise.
4385 (access_functions_are_affine_or_constant_p): Likewise.
4386 (build_classic_dist_vector_1): If the access functions
4387 are equal, don't do anything.
4388
4389 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
4390 Paolo Carlini <pcarlini@suse.de>
4391 Uros Bizjak <ubizjak@gmail.com>
4392
4393 * c-cppbuiltin.c (c_cpp_builtins): Define
4394 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
4395 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
4396 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
4397 * doc/cpp.texi ([Standard Predefined Macros]): Document.
4398
4399 2007-05-21 Mike Stump <mrs@apple.com>
4400
4401 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
4402 handling as well.
4403 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
4404
4405 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
4406
4407 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
4408 implementation if __OPTIMIZE__ is not defined.
4409 (_mm_alignr_pi8): Ditto.
4410 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4411 (_mm_inserti_si64): Ditto.
4412 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4413 (_mm_slli_epi16): Ditto.
4414 (_mm_slli_epi32): Ditto.
4415 (_mm_slli_epi64): Ditto.
4416 (_mm_srai_epi16): Ditto.
4417 (_mm_srai_epi32): Ditto.
4418 (_mm_srli_si128): Ditto.
4419 (_mm_slli_si128): Ditto.
4420 (_mm_srli_epi16): Ditto.
4421 (_mm_srli_epi32): Ditto.
4422 (_mm_srli_epi64): Ditto.
4423 (_mm_extract_epi16): Ditto.
4424 (_mm_insert_epi16): Ditto.
4425 (_mm_shufflehi_epi16): Ditto.
4426 (_mm_shufflelo_epi16): Ditto.
4427 (_mm_shuffle_epi32): Ditto.
4428 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
4429 (_m_pextrw): Ditto.
4430 (_mm_insert_pi16): Ditto.
4431 (_m_pinsrw): Ditto.
4432 (_mm_shuffle_pi16): Ditto.
4433 (_m_pshufw): Ditto.
4434 (_mm_shufle_ps): Ditto.
4435 (_mm_prefetch): Ditto.
4436
4437 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
4438
4439 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
4440 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
4441 * real.c (encode_i370_single, decode_i370_single,
4442 encode_i370_double, decode_i370_double): Functions removed.
4443 (i370_single_format, i370_double_format): Initializations removed.
4444 (real_maxval, round_for_format, exact_real_truncate, significand_size):
4445 Consider the log2_b field to always be one.
4446 (ieee_single_format, mips_single_format, coldfire_single_format,
4447 ieee_double_format, mips_double_format, coldfire_double_format,
4448 ieee_extended_motorola_format, ieee_extended_intel_96_format,
4449 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
4450 ibm_extended_format, mips_extended_format, ieee_quad_format,
4451 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
4452 decimal_single_format, decimal_double_format, decimal_quad_format,
4453 c4x_single_format, c4x_extended_format, real_internal_format): Remove
4454 initialization of log2_b.
4455 * real.h (i370_single_format, i370_double_format): Declarations removed.
4456 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
4457 field to always be one.
4458
4459 2007-05-21 Andreas Schwab <schwab@suse.de>
4460
4461 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
4462 NOTE_INSN_BASIC_BLOCK_P.
4463 (process_for_unwind_directive): Likewise.
4464
4465 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
4466
4467 * builtins.c (expand_builtin_setjmp_setup): Update comment.
4468 * function.h (struct function): Move va_list_gpr_size,
4469 va_list_fpr_size, function_frequency to front of bitfields. Add
4470 calls_unwind_init.
4471 (current_function_calls_unwind_init): New.
4472 * except.c (expand_builtin_unwind_init): Set
4473 current_function_calls_unwind_init not
4474 current_function_has_nonlocal_label.
4475 * reload1.c (has_nonexceptional_receiver): New.
4476 (reload): Use it and current_function_calls_unwind_init to
4477 determine whether call-saved regs must be saved.
4478
4479 2007-05-20 Jan Hubicka <jh@suse.cz>
4480
4481 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
4482 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4483 * ddg.c (create_ddg): LIkewise.
4484 * final.c (final): Remove hunk moving line numbernotes around since
4485 they are no longer present at this stage.
4486 (final_scan_insn): Use NOTE_KIND instead of
4487 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4488 (output_asm_label): Likewise.
4489 * reorg.c (dbr_schedule): Likewise.
4490 * haifa-sched.c (unlink_other_notes): Likewise.
4491 * mode-switching.c (optimize_mode_switching): Likewise.
4492 * graph.c (start_bb): Likewise.
4493 * rtl.def (NOTE): Update description.
4494 * jump.c (squeeze_notes): Delete.
4495 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
4496 NOTE_INSN_BASIC_BLOCK_P when possible.
4497 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
4498 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
4499 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4500 (dwarf2out_var_location): Likewise.
4501 * cfgbuild.c (make_edges): Likewise.
4502 (find_basic_blocks_1): Likewise.
4503 * function.c (reorder_blocks_1): Likewise.
4504 (epilogue_done): Likewise.
4505 (reposition_prologue_and_epilogue_notes): Likewise.
4506 * print-rtl.c (print_rtx): Likewise; drop code for printing line number
4507 notes.
4508 (print_rtl): Likewise.
4509 (print_rtl_single): Likewise.
4510 * gcse.c (insert_insn_start_bb): Likewise.
4511 * alias.c (init_alias_analysis): Likewise.
4512 * calls.c (fixup_tail_calls): Likewise.
4513 * except.c (sjlj_emit_function_enter): Likewise.
4514 * emit-rtl.c (add_insn_after): Likeiwse.
4515 (emit_label_before): Likewise.
4516 (emit_label_after): Likewise.
4517 (emit_note_before, emit_note_after, emit_note): Update
4518 parameter to be enum insn_note; do not deal with source
4519 files.
4520 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
4521 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
4522 when possible.
4523 (merge_blocks_move_successor_nojumps): Simplify now when
4524 we don't have BLOCK notes.
4525 (try_optimize_cfg): Likewise.
4526 * cfglayout.c (skip_insns_after_block): Likewise.
4527 (record_effective_endpoints): Likewise.
4528 (duplicate_insn_chain): Likewise.
4529 * varasm.c (output_constant_pool_1): Likewise.
4530 * sched-deps.c (sched_analyze): Likewise.
4531 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
4532 Exterminate.
4533 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
4534 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
4535 (SET_INSN_DELETED): Simplify.
4536 (NOTE_LINE_NUMBER): Exterminate.
4537 (NOTE_LINE_KIND): New.
4538 (NOTE_INSN_BASIC_BLOCK_P): Update.
4539 (enum insn_note): Simplify.
4540 (GET_NOTE_INSN_NAME) Simplify.
4541 (emit_note_before, emit_note_after, emit_note): Update prototype.
4542 (squeeze_notes): Remove.
4543 * sched-int.h (NOTE_NOT_BB_P): Update.
4544 * resource.c (mark_target_live_regs): Update.
4545 * sched-rgn.c (debug_dependencies): Update.
4546 * sched-vis.c (print_insn): Update.
4547 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
4548 * config/i386/i386.c (ix86_output_function_epilogue): Update.
4549 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
4550 (TARGET_ADJUST_UNROLL_MAX): Likewise.
4551 (split_branches): Update.
4552 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
4553 4.0.0.
4554 (sh_adjust_unroll_max): Exterminate.
4555 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
4556 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
4557 (m68hc11_reorg): Likewise.
4558 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
4559 (emit_predicate_relation_info): Update.
4560 (process_for_unwind_directive): Update.
4561 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
4562 (output_call): Update.
4563 * config/pa/pa.c (output_lbranch): Update.
4564 (output_millicode_call): Update.
4565 (output_call): Update.
4566 (pa_combine_instructions): Update.
4567 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
4568 * config/bfin/bfin.c (gen_one_bundle): Update.
4569 * cfgrtl.c (can_delete_note_p): Update.
4570 (delete_insn): Update.
4571 (rtl_merge_blocks): Update.
4572 (commit_one_edge_insertion): Update.
4573 (rtl_verify_flow_info): Update.
4574 * stmt.c (expand_case): Do not call squeeze_notes.
4575
4576 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4577
4578 PR middle-end/7651
4579 PR c++/11856
4580 PR c/12963
4581 PR c/23587
4582 PR other/29694
4583 * c.opt (Wtype-limits): New.
4584 * doc/invoke.texi (Wtype-limits): Document it.
4585 (Wextra): Enabled by -Wextra.
4586 * c-opts.c (c_common_post_options): Enabled by -Wextra.
4587 * c-common.c (shorten_compare): Warn with Wtype-limits.
4588
4589 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4590
4591 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
4592 inlined function, not as a macro.
4593 (_mm_alignr_pi8): Ditto.
4594 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4595 (_mm_inserti_si64): Ditto.
4596 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4597 (_mm_extract_epi16): Ditto.
4598 (_mm_insert_epi16): Ditto.
4599 (_mm_shufflehi_epi16): Ditto.
4600 (_mm_shufflelo_epi16): Ditto.
4601 (_mm_shuffle_epi32): Ditto.
4602 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
4603 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
4604 all functions.
4605 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
4606 float constant.
4607 (_m_to_float): Use C89 compatible assignment.
4608
4609 2007-04-20 Martin Michlmayr <tbm@cyrius.com>
4610
4611 PR target/32007
4612 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
4613
4614 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4615
4616 PR middle-end/7651
4617 * doc/invoke.texi (Wreturn-type): Complete description.
4618 (Wextra): Delete item about return-type warning.
4619 * c-decl.c: Delete redundant Wextra warning.
4620
4621 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
4622
4623 PR target/31585
4624 * config/i386/pmmintrin.h: Do not include xmmintrin.h
4625 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
4626 inlined function, not as a macro.
4627 (_mm_prefetch): Ditto.
4628 (_m_pextrw): Ditto.
4629 (_mm_insert_pi16): Ditto.
4630 (_m_pinsrw): Ditto.
4631 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
4632 (_m_pshufw): Ditto. Add const to __N argument.
4633 (_mm_shufle_ps): Ditto. Add const to __mask argument.
4634 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
4635 (_mm_slli_epi32): Ditto.
4636 (_mm_srli_si128): Implement as always inlined function, not as a macro.
4637 Add __inline to function declaration.
4638 (_mm_slli_si128): Ditto.
4639
4640 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
4641
4642 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
4643 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
4644 New constants.
4645 (struct fenv): New structure.
4646 (FP_HANDLE_EXCEPTIONS): New define.
4647 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
4648 (_FP_DECL_EXP): New define.
4649 (FP_INIT_ROUNDMODE): New define.
4650 (FP_ROUNDMODE): New define.
4651
4652 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4653
4654 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
4655 (Wconversion): Update description.
4656 (Wconversion-sign): New.
4657 * c.opt (Wconversion-sign): New.
4658 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
4659 means disabled for C++. Otherwise, take the status of Wconversion.
4660 * c-common.c (conversion_warning): Warn with either Wconversion or
4661 Wconversion-sign.
4662 (warnings_for_convert_and_check): Conditions are already checked by
4663 conversion_warning.
4664 (convert_and_check): Don't check warnings if the conversion failed.
4665
4666 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
4667 Anatoly Sokolov <aesok@dol.ru>
4668
4669 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
4670 avr_epilogue_uses) : Add declaration.
4671 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
4672 * config/avr/constraints.md (R): New constraint.
4673 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
4674 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
4675 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
4676 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
4677 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
4678 call_prologue_saves, epilogue_restores, return_from_epilogue,
4679 return_from_main_epilogue, return_from_interrupt_epilogue,
4680 return_from_naked_epilogue, prologue, epilogue): New patterns.
4681 (jump): Handle symbol reference.
4682 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
4683 avr_output_function_prologue, avr_output_function_epilogue): Remove
4684 functions.
4685 (avr_init_machine_status, expand_prologue, expand_epilogue,
4686 avr_asm_function_end_prologue, avr_epilogue_uses,
4687 avr_asm_function_begin_epilogue): New functions.
4688 (prologue_size, epilogue_size, jump_tables_size): Remove global
4689 variables.
4690 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
4691 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
4692 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
4693 (avr_override_options): Initialise init_machine_status.
4694 (output_movhi): Handle all stack pointer loads.
4695 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
4696 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
4697 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
4698 (EPILOGUE_USES) Redefine.
4699 (machine_function) Declare.
4700
4701 2007-05-19 Richard Sandiford <richard@codesourcery.com>
4702
4703 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
4704 Use a single return statement.
4705
4706 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4707
4708 PR middle-end/30250
4709 * builtins.c (do_mpfr_lgamma_r): New.
4710 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
4711 * tree.h (CASE_FLT_FN_REENT): New.
4712
4713 2007-05-18 Geoffrey Keating <geoffk@apple.com>
4714
4715 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
4716 (output_die): Use 'unsigned long' with %x.
4717 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
4718 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
4719 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
4720
4721 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
4722
4723 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
4724
4725 PR target/31989
4726 PR target/31681
4727 PR target/31666
4728 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
4729 true if function has no argument.
4730
4731 2007-05-18 DJ Delorie <dj@redhat.com>
4732
4733 * config/mips/mips.c (mips_offset_within_alignment_p): New.
4734 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
4735
4736 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4737
4738 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
4739 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
4740 count_trailing_zeros.
4741 (__i386__): Implement count_leading_zeros using __builtin_clz().
4742 Implement count_trailing_zeros usign __builtin_ctz().
4743
4744 2007-05-18 Richard Sandiford <richard@codesourcery.com>
4745
4746 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
4747
4748 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
4749
4750 PR middle-end/31344
4751 * expr.c (emit_move_change_mode): Change mode of push operands here.
4752
4753 2007-05-17 Ian Lance Taylor <iant@google.com>
4754
4755 PR tree-optimization/31953
4756 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
4757 Change all callers.
4758 (set_value_range_to_null): Call set_value_range_to_value.
4759 (extract_range_from_comparison): Likewise.
4760
4761 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4762
4763 * toplev.c (print_version): Output GMP/MPFR version info.
4764
4765 * builtins.c (CASE_MATHFN_REENT): New macro.
4766 (mathfn_built_in): Use it.
4767 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
4768 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
4769 BUILT_IN_LGAMMAL_R): New.
4770 * doc/extend.texi: Document new builtins.
4771
4772 PR middle-end/31796
4773 * builtins.c (do_mpfr_remquo): New.
4774 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
4775 (fold_builtin_3): Handle BUILT_IN_REMQUO.
4776
4777 PR middle-end/30251
4778 * builtins.c (fold_builtin_1): Handle y0, y1.
4779 (fold_builtin_2): Handle yn.
4780
4781 PR middle-end/30251
4782 * builtins.c (do_mpfr_bessel_n): New.
4783 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
4784 (fold_builtin_2): Handle BUILT_IN_JN.
4785
4786 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
4787
4788 PR target/31965
4789 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
4790 TYPE_PRECISION (intmax_type_node).
4791
4792 2007-05-17 Steve Ellcey <sje@cup.hp.com>
4793
4794 PR target/31850
4795 * reload.c (subst_reloads): Remove checking.
4796
4797 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4798
4799 PR rtl-optimization/31691
4800 * combine.c (simplify_set): Build a new src pattern instead of
4801 substituting its operands in the COMPARE case.
4802
4803 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4804
4805 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
4806 (execute_vrp): Preserve loops through jump threading.
4807 * tree-ssa-threadupdate.c (thread_single_edge,
4808 dbds_continue_enumeration_p, determine_bb_domination_status,
4809 thread_through_loop_header): New functions.
4810 (create_edge_and_update_destination_phis,
4811 create_edge_and_update_destination_phis): Set loops for the new blocks.
4812 (prune_undesirable_thread_requests): Removed.
4813 (redirect_edges): Do not pretend that redirect_edge_and_branch can
4814 create new blocks.
4815 (thread_block): Do not call prune_undesirable_thread_requests.
4816 Update loops.
4817 (mark_threaded_blocks): Select edges to thread here.
4818 (thread_through_all_blocks): Take may_peel_loop_headers argument.
4819 Thread edges through loop headers independently.
4820 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
4821 * tree-pass.h (TODO_mark_first_instance): New.
4822 (first_pass_instance): Declare.
4823 * cfghooks.c (duplicate_block): Put the block to the original loop
4824 if copy is not specified.
4825 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
4826 jump threading. Pass may_peel_loop_headers to
4827 thread_through_all_blocks according to first_pass_instance.
4828 * cfgloop.h (create_preheader): Declare.
4829 * tree-flow.h (thread_through_all_blocks): Declaration changed.
4830 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
4831 * passes.c (first_pass_instance): New variable.
4832 (next_pass_1): Set TODO_mark_first_instance.
4833 (execute_todo): Set first_pass_instance.
4834
4835 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
4836
4837 PR tree-optimization/24659
4838 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
4839 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
4840 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
4841 OTI_vec_pack_ufix_trunc.
4842 (vec_unpacks_float_hi_optab): Define new macro.
4843 (vec_unpacks_float_lo_optab): Ditto.
4844 (vec_unpacku_float_hi_optab): Ditto.
4845 (vec_unpacku_float_lo_optab): Ditto.
4846 (vec_pack_sfix_trunc_optab): Ditto.
4847 (vec_pack_ufix_trunc_optab): Ditto.
4848 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
4849 and vec_pack_[s|u]fix_trunc_optab using
4850 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
4851 * tree-vectorizer.c (supportable_widening_operation): Handle
4852 FLOAT_EXPR and CONVERT_EXPR. Update comment.
4853 (supportable_narrowing_operation): New function.
4854 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
4855 * tree-vect-transform.c (vectorizable_conversion): Handle
4856 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
4857 (vect_gen_widened_results_half): Move before vectorizable_conversion.
4858 (vectorizable_type_demotion): Call supportable_narrowing_operation()
4859 to check for target support.
4860 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
4861 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
4862 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
4863 for VEC_PACK_FIX_TRUNC_EXPR.
4864 (expand_binop): Special case mode of the result for
4865 vec_pack_[u|s]fix_trunc_optab.
4866 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
4867 vec_pack_[u|s]fix_trunc_optab.
4868
4869 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
4870 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
4871 * tree-pretty-print.c (dump_generic_node): Handle
4872 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
4873 VEC_PACK_FIX_TRUNC_EXPR.
4874 (op_prio): Ditto.
4875 * expr.c (expand_expr_real_1): Ditto.
4876 * tree-inline.c (estimate_num_insns_1): Ditto.
4877 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
4878
4879 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
4880 (vec_unpacks_float_lo_v8hi): Ditto.
4881 (vec_unpacku_float_hi_v8hi): Ditto.
4882 (vec_unpacku_float_lo_v8hi): Ditto.
4883 (vec_unpacks_float_hi_v4si): Ditto.
4884 (vec_unpacks_float_lo_v4si): Ditto.
4885 (vec_pack_sfix_trunc_v2df): Ditto.
4886
4887 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
4888 Document.
4889 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
4890 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
4891 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
4892 [vec_pack_ufix_trunc]: Ditto.
4893 [vec_unpacks_float_hi]: Ditto.
4894 [vec_unpacks_float_lo]: Ditto.
4895 [vec_unpacku_float_hi]: Ditto.
4896 [vec_unpacku_float_lo]: Ditto.
4897
4898 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
4899
4900 * soft-fp/README: Update for new files.
4901 * soft-fp/floattisf.c: New file.
4902 * soft-fp/floattidf.c: New file.
4903 * soft-fp/floattitf.c: New file.
4904 * soft-fp/floatuntisf.c: New file.
4905 * soft-fp/floatuntidf.c: New file.
4906 * soft-fp/floatuntitf.c: New file.
4907 * soft-fp/fixsfti.c: New file.
4908 * soft-fp/fixdfti.c: New file.
4909 * soft-fp/fixtfti.c: New file.
4910 * soft-fp/fixunssfti.c: New file.
4911 * soft-fp/fixunsdfti.c: New file.
4912 * soft-fp/fixunstfti.c: New file.
4913 * soft-fp/extendxftf.c: New file.
4914 * soft-fp/trunctfxf.c: New file.
4915
4916 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
4917 (__trunctfxf2): Ditto.
4918
4919 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
4920 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
4921 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
4922 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
4923 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
4924 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
4925
4926 * config/i386/t-fprules-softfp64: New file.
4927 * config/i386/sfp-machine.h: New file.
4928 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
4929 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
4930 and soft-fp/t-softfp to tmake_file.
4931 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
4932 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
4933
4934 * config/i386/t-linux64 (softfp_wrap_start): New.
4935 (softfp_wrap_end): New.
4936 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
4937 supported for TARGET_64BIT.
4938
4939 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
4940
4941 * c-common.c (c_common_signed_or_unsigned_type): Emulate
4942 c_common_unsigned_type behavior.
4943
4944 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
4945
4946 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
4947 calls as pure.
4948
4949 2007-05-16 Eric Christopher <echristo@apple.com>
4950
4951 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
4952 saving after stack push. Set sp_offset whenever we push.
4953 (rs6000_emit_epilogue): Move altivec register restore before
4954 stack push.
4955
4956 2007-05-16 Richard Sandiford <richard@codesourcery.com>
4957
4958 * configure.ac: Allow sysroots to be relocated under $prefix as
4959 well as $exec_prefix.
4960 * configure: Regenerate.
4961
4962 2007-05-16 Richard Sandiford <richard@codesourcery.com>
4963
4964 Revert:
4965
4966 2007-05-12 Richard Sandiford <richard@codesourcery.com>
4967
4968 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
4969 (gcc_tooldir): Likewise.
4970 * configure: Regenerate.
4971 * Makefile.in (libsubdir_to_prefix): New variable, based on the
4972 old configure.ac gcc_tooldir setting.
4973 (prefix_to_exec_prefix): New variable.
4974 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
4975 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
4976
4977 2007-05-14 Janis Johnson <janis187@us.ibm.com>
4978
4979 * c-typeck.c (build_binary_op): Return early for error.
4980
4981 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4982
4983 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
4984 struct nb_iter_bound.
4985 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
4986 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
4987 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
4988 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
4989 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
4990 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
4991 (del_scev_info): Use ggc_free.
4992 (scev_initialize): Allocate scalar_evolution_info in gc memory.
4993 * loop-init.c: Include ggc.h.
4994 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
4995 (loop_optimizer_finalize): Use ggc_free.
4996 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
4997 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
4998 pass_iv_optimize): Add TODO_ggc_collect.
4999 * function.h (struct function): Remove skip marker from x_current_loops.
5000 * cfgloop.c: Include ggc.h.
5001 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
5002 memory.
5003 (establish_preds): Vector superloops is gc allocated.
5004 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
5005 loop->exits list.
5006 (flow_loops_find): Vector larray is gc allocated.
5007 (loop_exit_free): Use ggc_free.
5008 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
5009 that head of exits list is now not a part of struct loop.
5010 (record_loop_exits): Allocate exits table in gc memory.
5011 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
5012 head of exits list is now not a part of struct loop.
5013 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
5014 struct loop_exit): Add GTY marker.
5015 (struct loop): Add GTY marker. Make superloops vector gc allocated.
5016 Add skip marker to aux field. Make head of exits list a separate
5017 object.
5018 (struct loops): Add GTY marker. Make larray vector gc allocated.
5019 Add param marker to exits table.
5020 (get_loops): Type changed.
5021 * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
5022 dependency.
5023 (cfgloop.o, loop-init.o): Add ggc.h dependency.
5024 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
5025 * basic-block.h (struct basic_block_def): Remove skip marker from
5026 loop_father field.
5027
5028 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
5029
5030 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
5031 of 0 in the call to expand_expr().
5032 (expand_builtin_mathfn_3): Ditto.
5033 (expand_builtin_interclass_mathfn): Ditto.
5034 (expand_builtin_cexpi): Ditto.
5035 (expand_builtin_int_roundingfn): Ditto.
5036 (expand_builtin_int_roundingfn_2): Ditto.
5037 (expand_builtin_pow): Ditto.
5038 (expand_builtin_powi): Ditto.
5039 (expand_builtin_bswap): Ditto.
5040 (expand_builtin_unop): Ditto.
5041 (expand_builtin_fabs): Ditto.
5042 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
5043 the call to expand_expr().
5044 (expand_builtin_sync_operation): Ditto.
5045 (expand_builtin_compare_and_swap): Ditto.
5046 (expand_builtin_lock_test_and_set): Ditto.
5047 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
5048 instead of 0 in the call to expand_expr().
5049 (expand_builtin_extract_return_addr): Ditto.
5050 (expand_builtin_eh_return): Ditto.
5051 (expand_eh_return): Ditto.
5052 * explow.c (expr_size): Ditto.
5053 * expr.c (optimize_bitfield_assignment_op): Ditto.
5054 (expand_assignement): Ditto.
5055 (store_expr): Ditto.
5056 (store_field): Ditto.
5057 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
5058 the call to expand_expr().
5059 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
5060 in the call to expand_expr().
5061 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
5062 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
5063 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
5064 of expand_expr().
5065 * optabs.c (expand_vec_shift_expr): Ditto.
5066 (expand_vec_cond_expr): Ditto.
5067 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
5068 call to expand_expr().
5069 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
5070 in the call to expand_expr().
5071
5072 2007-05-14 Dave Korn <dave.korn@artimi.com>
5073
5074 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
5075
5076 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
5077
5078 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
5079 instead of c_common_unsigned_type.
5080 (c_common_unsigned_type): Remove.
5081 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
5082 c_common_unsigned_type.
5083 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
5084 c_common_unsigned_type.
5085 * c-common.h (c_common_unsigned_type): Remove.
5086 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
5087 c_common_unsigned_type.
5088 * c-format.c (check_format_types): Use unsigned_type_for instead of
5089 c_common_unsigned_type.
5090 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5091 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
5092 c_common_unsigned_type.
5093 * convert.c (convert_to_integer): Use unsigned_type_for instead of
5094 lang_hooks.types.unsigned_type.
5095 * expmed.c (make_tree): Use unsigned_type_for instead of
5096 lang_hooks.types.unsigned_type.
5097 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
5098 lang_hooks.types.unsigned_type.
5099 (build_range_check): Likewise.
5100 (fold_unary): Likewise.
5101 (fold_binary): Likewise.
5102 (fold_ternary): Likewise.
5103 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5104 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
5105 * tree.c (get_unsigned_type): New.
5106 (unsigned_type_for): Use get_unsigned_type instead of
5107 lang_hooks.types.unsigned_type.
5108
5109 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
5110
5111 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
5112 to m68k_get_function_kind. Update its prototype.
5113 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
5114 interrupt_thread.
5115 (m68k_interrupt_function_p): Return enum m68k_function_type
5116 instead of bool. Rename to m68k_get_function_kind.
5117 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
5118 target is not fido.
5119 (m68k_compute_frame_layout): Don't mark any register for save
5120 if an interrupt_thread attribute is specified.
5121 (m68k_hard_regno_rename_ok): Update a use of
5122 m68k_interrupt_function_p.
5123 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
5124 m68k_interrupt_function_p.
5125 (m68k_function_type): New.
5126 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
5127 for a function with an interrupt_thread attribute.
5128 * doc/extend.texi: Document the interrupt_thread attribute.
5129
5130 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
5131
5132 Fix PR tree-optimization/31911
5133 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5134 if they didn't change the expression.
5135
5136 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
5137
5138 * tree-scalar-evolution.c (resolve_mixers): Exported.
5139 * tree-scalar-evolution.h (resolve_mixers): Declare.
5140 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
5141 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5142 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
5143 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
5144 init_array_ref, init_pointer_ref, analyze_indirect_ref,
5145 strip_conversion, analyze_offset_expr, address_analysis,
5146 object_analysis, analyze_offset): Removed.
5147 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
5148 split_constant_offset, canonicalize_base_object_address,
5149 object_address_invariant_in_loop_p, disjoint_objects_p,
5150 dr_may_alias_p, dr_address_invariant_p): New functions.
5151 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
5152 and dr_analyze_alias.
5153 (initialize_data_dependence_relation): Use dr_may_alias_p
5154 and object_address_invariant_in_loop_p.
5155 (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
5156 is chrec_dont_know.
5157 (find_data_references_in_stmt): Restrict the analysis of data references
5158 to the given loop nest.
5159 (find_data_references_in_loop): Made static. Pass loop nest to
5160 find_data_references_in_stmt.
5161 (compute_data_dependences_for_loop): Use DR_VOPS.
5162 (free_data_ref): Free DR_VOPS.
5163 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
5164 (struct innermost_loop_behavior): ... new.
5165 (struct base_object_info): Replaced by ...
5166 (struct indices): ... new.
5167 (struct dr_alias): New.
5168 (enum data_ref_type): Removed.
5169 (struct data_reference): Consist of struct innermost_loop_behavior,
5170 struct indices and struct dr_alias.
5171 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
5172 (DR_MEMTAG): Renamed to ...
5173 (DR_SYMBOL_TAG): ... this.
5174 (find_data_references_in_loop): Declaration removed.
5175 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
5176 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
5177 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
5178 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
5179
5180 2007-05-13 Revital Eres <eres@il.ibm.com>
5181
5182 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
5183 which walks virtual def-use chains to find redundant stores.
5184 (dse_optimize_stmt): Call it.
5185
5186 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5187
5188 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
5189 * passes.c (init_optimization_passes): Move pass_jump_bypass
5190 after loop2.
5191
5192 * basic-block.h (bb_has_eh_pred): Fix style issue.
5193
5194 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5195
5196 PR rtl-optimization/31848
5197 * loop-invariant.c (move_invariant_reg): If we move an insn
5198 with a REG_EQUAL note, and that insn is not always executed,
5199 remove the REG_EQUAL note.
5200
5201 2007-05-12 Richard Guenther <rguenther@suse.de>
5202
5203 PR tree-optimization/31797
5204 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
5205 propagate into a stmt that has volatile ops.
5206
5207 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5208
5209 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5210 (gcc_tooldir): Likewise.
5211 * configure: Regenerate.
5212 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5213 old configure.ac gcc_tooldir setting.
5214 (prefix_to_exec_prefix): New variable.
5215 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5216 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5217
5218 2007-05-11 Silvius Rus <rus@google.com>
5219
5220 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
5221 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
5222 * c-common.h (strict_aliasing_warning): Change return type.
5223 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
5224 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
5225 (build_c_cast): Condition call to strict_aliasing_warning.
5226 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
5227 * flags.h (set_Wstrict_aliasing): Declare.
5228 * opts.c (set_Wstrict_alising): Define, add call to.
5229 * tree-flow.h (strict_aliasing_warning_backend): Declare.
5230 * tree-ssa-alias-warnings.c: New file.
5231 * tree-ssa-alias.c (compute_may_aliases): Add call to
5232 strict_aliasing_warning_backend.
5233
5234 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
5235
5236 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
5237 Use loop_depth and loop_outer accessor functions.
5238 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
5239 determine_invariantness_stmt, move_computations_stmt): Ditto.
5240 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
5241 add_loop, loopify, unloop, fix_loop_structure): Ditto.
5242 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
5243 * tree-scalar-evolution.c (interpret_loop_phi,
5244 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
5245 instantiate_parameters_1, scev_const_prop): Ditto.
5246 * cfghooks.c (make_forwarder_block): Ditto.
5247 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
5248 * modulo-sched.c (loop_canon_p): Ditto.
5249 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
5250 slpeel_can_duplicate_loop_p): Ditto.
5251 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
5252 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
5253 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
5254 cancel_loop, verify_loop_structure): Ditto.
5255 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
5256 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
5257 superloops vector instead of "pred" array.
5258 (establish_preds): Take father loop as an argument. Initialize the
5259 superloops vector.
5260 (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
5261 initialize loop->outer.
5262 (flow_loop_tree_node_remove): Truncate the superloops vector.
5263 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
5264 "pred" merged to "superloops" vector.
5265 (loop_depth, loop_outer): New.
5266 (fel_init): Use loop_outer.
5267
5268 2007-05-11 Jan Hubicka <jh@suse.cz>
5269
5270 * cgraphunit.c: Include gt-cgraphunit.h
5271 (static_ctors, static_dtors): New static vars.
5272 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
5273 based on implementation in c-common.c
5274 (cgraph_finalize_function): Call record_cdtor_fn.
5275 (cgraph_optimize): Call cgraph_build_cdtor_fns.
5276 * decl.c (finish_function): Do not call c_record_cdtor_fn.
5277 (c_write_global_declarations): Do not call c_build_cdtor_fns.
5278 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
5279 build_cdtor, c_build_cdtor_fns): Remove.
5280 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
5281 c_build_cdtor_fns): Remove prototype.
5282
5283 2007-05-11 Paolo Carlini <pcarlini@suse.de>
5284
5285 PR other/31852
5286 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
5287 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
5288 * builtins.c (fold_builtin_memchr): New.
5289 (expand_builtin_memchr): Call the latter.
5290 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
5291 * doc/extend.texi ([Other built-in functions provided by GCC]):
5292 Document memchr.
5293
5294 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
5295
5296 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
5297 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
5298 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
5299 PFPO_OP1_TYPE_SHIFT): Constants added.
5300 (DFP_ALL): Mode macro defined.
5301 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
5302 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
5303 Insn definitions added.
5304 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
5305 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
5306 Expanders added.
5307
5308 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
5309
5310 PR tree-optimization/31885
5311 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
5312 to be undetermined.
5313 (automatically_generated_chrec_p): Return false for NULL.
5314
5315 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5316
5317 * config/bfin/bfin.h (MOVE_RATIO): Define.
5318
5319 2007-05-10 Richard Sandiford <richard@codesourcery.com>
5320
5321 * config.gcc (sparc-wrs-vxworks): New target.
5322 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
5323 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
5324 * config/sparc/sparc.h: Include vxworks-dummy.h.
5325 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
5326 include LABEL_REFs too.
5327 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
5328 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
5329 VxWorks.
5330 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
5331 on VxWorks.
5332 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
5333 (sparc_emit_call_insn): New function.
5334 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
5335 functions when generating VxWorks PIC.
5336 * config/sparc/sparc.md (vxworks_load_got): New pattern.
5337 (call, call_value): Use sparc_emit_call_insn instead of
5338 emit_call_insn.
5339
5340 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5341
5342 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
5343
5344 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5345
5346 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
5347 for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double
5348 instead of operand_subword.
5349
5350 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5351
5352 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
5353 * config/bfin/bfin.c (bfin_local_alignment): New function.
5354 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
5355
5356 2007-05-08 Chao-ying Fu <fu@mips.com>
5357
5358 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
5359 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
5360 (smsub_widen_optab, umsub_widen_optab): Define.
5361 * optabs.c (init_optabs): Initialize smsub_widen_optab and
5362 umsub_widen_optab.
5363 * genopinit.c (optabs): Fill in smsub_widen_optab and
5364 umsub_widen_optab.
5365 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
5366 and umsub_widen_optab to implement multiply-subtract sequences.
5367 * config/mips/mips.md (*msac<u>_di): Rename to...
5368 (<u>msubsidi4): ...this. Extend condition to include
5369 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
5370 of operand 0 to "ka" and use the three-operand form of msub<u>
5371 for TARGET_DSPR2.
5372 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
5373 to define_expands.
5374
5375 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
5376
5377 PR rtl-optimization/28011
5378 * reload.c (push_reload): Set dont_share if IN appears in OUT
5379 also when IN is a PLUS rtx.
5380 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
5381 are same PLUS rtx.
5382
5383 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
5384
5385 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
5386 call unshare_all_decls.
5387 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
5388 (unshare_all_decls): Remove.
5389
5390 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
5391
5392 PR 31847
5393 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
5394 dumps.
5395
5396 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
5397 Nigel Stephens <nigel@mips.com>
5398
5399 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
5400 Update comments and all uses.
5401 (MIN_FPRS_PER_FMT): Define.
5402 * config/mips/mips.c (function_arg): Fix to correctly handle
5403 the -mips32r2 -mfp64 -mabi=32 case.
5404 (override_options): Enable use of odd-numbered registers for
5405 SFmode values on MIPS32.
5406 (mips_save_reg_p): Save whole floating-point register pair if
5407 either half is used.
5408 (compute_frame_size): Fix comment.
5409
5410 2007-05-08 Jie Zhang <jie.zhang@analog.com>
5411
5412 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
5413 argument of type bool.
5414 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
5415 argument. Safely select temporary P register according to it.
5416 (do_link): Change call site of add_to_reg accordingly.
5417 (do_unlink): Add epilogue_p as a fourth argument and pass it
5418 to add_to_reg.
5419 (expand_interrupt_handler_epilogue): Change call of do_unlink
5420 accordingly.
5421 (bfin_expand_prologue): Add a third argument sibcall_p.
5422 * config/bfin/bfin.md (epilogue): Change call of
5423 bfin_expand_epilogue accordingly.
5424 (sibcall_epilogue): Likewise.
5425 (eh_return_internal): Likewise.
5426
5427 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
5428 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
5429 * config/bfin/bfin.c (bfin_handle_option): Handle
5430 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
5431 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
5432 Support bf534, bf536 and bf561.
5433 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
5434
5435 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
5436
5437 PR target/31854
5438 * config/i386/i386.c (ix86_function_regparm): Process local
5439 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
5440
5441 2007-05-07 Mike Stump <mrs@apple.com>
5442
5443 * doc/invoke.texi (Warning Options): Document that -Wempty-body
5444 also checks for and while statements in C++.
5445
5446 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
5447
5448 * gcc.c (at_file_supplied): New variable.
5449 (main): Set it if we expanded argv.
5450 (do_spec_1): Pass an @-file to the linker if we were called with
5451 an @-file argument and HAVE_GNU_LD.
5452 * collect2.c (at_file_supplied): New variable.
5453 (response_file): New variable.
5454 (collect_exit): Unlink response_file if necessary.
5455 (handler): Likewise.
5456 (do_wait): Likewise.
5457 (main): Set at_file_supplied if we expanded argv.
5458 (collect_execute): Pass an @-file to subprocesses if we were called
5459 with an @-file argument.
5460 * configure.ac: Add define for HAVE_GNU_LD.
5461 * configure: Regenerate.
5462 * config.in: Regenerate.
5463
5464 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
5465
5466 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
5467 operand to HI mode.
5468 (mulsi3): New.
5469 (divsi3): New.
5470 (udivsi3): New.
5471
5472 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
5473
5474 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5475 (TARGET_ENCODE_SECTION_INFO): Re-define.
5476 (m32c_encode_section_info): New
5477 (function_vector_handler): New
5478 (current_function_special_page_vector): New
5479 (m32c_special_page_vector_p): New.
5480 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
5481 Prototype.
5482 * config/m32c/jump.md: Added instruction JSRS for functions
5483 with attribute "function_vector".
5484 * doc/extend.texi (function_vector): Added description
5485 for M16C, M32C targets.
5486
5487 2007-05-07 DJ Delorie <dj@redhat.com>
5488
5489 PR 31794
5490 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
5491 ashrpsi3, lshrpsi3): Update shift count constraint.
5492
5493 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
5494 Nathan Froyd <froydnj@codesourcery.com>
5495
5496 PR 22133
5497 * c-incpath.c (add_path): Strip trailing path separators.
5498
5499 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
5500
5501 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
5502 Free dominance info before purging EH edges.
5503 (eliminate_degenerate_phis): Likewise.
5504 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
5505
5506 2007-05-07 Jan Hubicka <jh@suse.cz>
5507
5508 * gimplify.c (gimplify_expr): Do not crash when folding
5509 (void *)(int)&a + 4.
5510
5511 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5512
5513 PR driver/31694
5514 * c-opts.c (lang_fortran): Make it non static.
5515 * c-common.h (lang_fortran): New prototype.
5516 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
5517 -lang-fortran option was passed by the driver.
5518
5519 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
5520
5521 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
5522 of ASSERT_CHECKING. Tweak message.
5523
5524 2007-05-06 Revital Eres <eres@il.ibm.com>
5525
5526 PR 30957
5527 * loop-unroll.c (insert_var_expansion_initialization):
5528 Initialize the expansions with -zero instead of +zero.
5529
5530 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
5531
5532 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
5533 into pic and non-pic versions. Mark r19 as used for
5534 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
5535 for tgd_load, tld_load and tie_load .
5536 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
5537 version of tgd_load, tld_load and tie_load depending on the
5538 value of flag_pic.
5539
5540 2007-05-04 Ulrich Drepper <drepper@redhat.com>
5541 Jakub Jelinek <jakub@redhat.com>
5542
5543 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
5544 (__do_global_dtors_aux): Use more paranoid loop to run
5545 destructors if HIDDEN_DTOR_LIST_END.
5546 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
5547
5548 2007-05-04 Jakub Jelinek <jakub@redhat.com>
5549
5550 * varasm.c (align_variable): Don't increase alignment for
5551 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
5552 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
5553
5554 2007-05-04 Josh Conner <jconner@apple.com>
5555
5556 * basic-block.h (cdi_direction): Assign values to all enumeration
5557 constants.
5558 (dom_computed): Remove.
5559 (dom_info_state): New.
5560 (set_dom_info_availability): New.
5561 * tree-ssa-loop-im.c (determine_invariantness): Initialize
5562 walk_data.dom_direction.
5563 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
5564 instead of dom_computed[].
5565 (split_edge): Likewise.
5566 (create_basic_block): Likewise.
5567 (merge_blocks): Likewise.
5568 * ifcvt.c (find_if_header): Likewise.
5569 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
5570 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5571 * tree-ssa.c (verify_ssa): Likewise.
5572 * tree-cfg.c (tree_verify_flow_info): Likewise.
5573 (remove_edge_and_dominated_blocks): Likewise.
5574 * dominance.c (dom_computed): Make static.
5575 (calc_dfs_tree_nonrec): Change third param to a bool.
5576 (calc_dfs_tree): Change second param to a bool.
5577 (calc_idioms): Change second param to a bool. Use
5578 dom_convert_dir_to_idx.
5579 (init_dom_info): Validate dir before using.
5580 (dom_convert_dir_to_idx): New.
5581 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
5582 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
5583 (free_dominance_info): Use dom_convert_dir_to_idx.
5584 (get_immediate_dominator): Likewise.
5585 (set_immediate_dominator): Likewise.
5586 (get_dominated_by): Likewise.
5587 (redirect_immediate_dominators): Likewise.
5588 (nearest_common_denominator): Likewise.
5589 (dominated_by_p): Likewise.
5590 (bb_dom_dfs_in): Likewise.
5591 (bb_dom_dfs_out): Likewise.
5592 (recount_dominator): Likewise.
5593 (iterate_fix_dominators): Likewise.
5594 (add_to_dominance_info): Likewise.
5595 (delete_from_dominance_info): Likewise.
5596 (first_dom_son): Likewise.
5597 (next_dom_son): Likewise.
5598 (dom_info_available_p): Likewise.
5599 (dom_info_state): New.
5600 (set_dom_info_availability): New.
5601
5602 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5603
5604 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
5605 Expander removed.
5606 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
5607
5608 2007-05-04 Bob Wilson <bob.wilson@acm.org>
5609
5610 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
5611 (subdi3, subdi_carry): Delete.
5612
5613 2007-05-04 Jan Hubicka <jh@suse.cz>
5614 Richard Guenther <rguenther@suse.de>
5615
5616 * opts.c (decode_options): Do not fiddle with inlining
5617 parameters in case of optimizing for size.
5618 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
5619 for size do nothing.
5620 (cgraph_decide_inlining_of_small_function): When optimizing for
5621 size never inline functions increasing caller size.
5622 (cgraph_early_inlining): Inline for size when optimizing for size.
5623
5624 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
5625
5626 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
5627 logical operations piecewise.
5628 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
5629 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
5630 subdi_sesidi_di): Delete.
5631 (add_with_carry): Produce carry in CC instead of a DREG to shorten
5632 the generated sequence. Allow three-reg add in constraints. Rewrite
5633 the rtl expression for carry to avoid zero_extend of a constant.
5634 (sub_with_carry): New pattern.
5635 (adddi3, subdi3): Change into define_expand. For subtract, generate a
5636 different sequence not involving jumps.
5637 (notbi): Now a named pattern.
5638
5639 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
5640
5641 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
5642 Add the note about a significant loss of accuracy of some
5643 mathematical routines when these options are used.
5644
5645 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5646
5647 * haifa-sched.c (rtx_vec_t): New typedef.
5648 (contributes_to_priority_p): Extract piece of priority () into new
5649 static function.
5650 (priority): Use the function. Add assertion.
5651 (rank_for_schedule, set_priorities): Add assertion to check that
5652 insn's priority is initialized.
5653 (clear_priorities, calc_priorities): Change signature. Make it update
5654 all relevant insns. Update all callers ('add_to_speculative_block ()'
5655 and 'create_block_check_twin ()').
5656 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
5657 Add new field 'priority_status'.
5658 (INSN_PRIORITY_STATUS): New macro.
5659 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
5660
5661 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5662
5663 * sched-ebb.c (debug_ebb_dependencies): New static function.
5664 (init_ready_list): Use it.
5665
5666 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
5667 with changed signature and 'debug_rgn_dependencies ()'.
5668 (debug_rgn_dependencies): New static function.
5669 (init_ready_list): Use it.
5670
5671 * sched-int.h (debug_dependencies): Declare.
5672
5673 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
5674
5675 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
5676
5677 2007-05-04 Dirk Mueller <dmueller@suse.de>
5678
5679 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
5680
5681 2007-05-03 Jan Hubicka <jh@suse.cz>
5682
5683 * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
5684 for pointer type in more cases than before.
5685
5686 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
5687
5688 * tree-object-size.c (plus_expr_object_size): When operand size is
5689 unknown, return unknown.
5690
5691 2007-05-03 Dirk Mueller <dmueller@suse.de>
5692
5693 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
5694
5695 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
5696 options.
5697
5698 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
5699
5700 2007-05-03 Janis Johnson <janis187@us.ibm.com>
5701
5702 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
5703
5704 2007-05-03 Joseph Myers <joseph@codesourcery.com>
5705
5706 * config/soft-fp/double.h, config/soft-fp/extended.h,
5707 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
5708 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
5709 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
5710 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
5711 glibc CVS.
5712
5713 2007-05-03 Ian Lance Taylor <iant@google.com>
5714
5715 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
5716 MASK_PPC_GFXOPT for 8540 or 8548.
5717
5718 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5719
5720 * tree-vect-transform.c (vect_update_inits_of_drs): Use
5721 vect_print_dump_info() to output debug information.
5722
5723 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
5724
5725 PR target/31768
5726 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
5727 operands of size 2 when operand is not MEM_P.
5728
5729 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5730
5731 PR tree-optimization/30565
5732 * lambda-code.c (perfect_nestify): Fix updating of dominators.
5733
5734 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
5735
5736 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
5737 (umulsi3_highpart): Use them.
5738 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
5739 for final accumulator to D regisster tranfser.
5740
5741 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
5742
5743 PR tree-optimization/31699
5744 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
5745 code.
5746 (vect_enhance_data_refs_alignment): Compute peel amount using
5747 TYPE_VECTOR_SUBPARTS instead of vf.
5748 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
5749
5750 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
5751
5752 PR bootstrap/31776
5753 * system.h: Remove inclusion of double-int.h
5754 * tree.h: Include double-int.h
5755 * gengtype.c: Likewise
5756 * cfgloop.h: Likewise
5757 * Makefile.in: Adjust dependencies on double-int.h
5758
5759 2007-05-02 Eric Christopher <echristo@apple.com>
5760
5761 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
5762 -shared to -Zdynamiclib.
5763
5764 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
5765
5766 PR c++/31663
5767 * c-common.c (strip_pointer_or_array_types): New function.
5768 * c-common.h (strip_pointer_or_array_types): New function declaration.
5769
5770 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
5771
5772 PR tree-optimization/31771
5773 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
5774
5775 2007-05-02 Paul Brook <paul@codesourcery.com>
5776
5777 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
5778
5779 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5780
5781 PR middle-end/29715
5782 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
5783 transformation.
5784
5785 2007-05-02 Nick Clifton <nickc@redhat.com>
5786
5787 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
5788
5789 2007-05-02 Richard Guenther <rguenther@suse.de>
5790
5791 PR tree-optimization/31146
5792 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
5793 argument, single_use_p. If we have a single use that is
5794 a conversion to the definition rhs type, propagate that rhs.
5795 (forward_propagate_addr_expr): Pass single_use_p argument
5796 to forward_propagate_addr_expr_1.
5797
5798 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
5799
5800 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
5801 variable.
5802
5803 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5804
5805 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
5806 'AMD Family 10 core'.
5807
5808 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5809
5810 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
5811 and athlon64-sse3 as improved versions of k8, opteron and athlon64
5812 with SSE3 instruction set support.
5813 * doc/invoke.texi: Likewise.
5814
5815 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5816
5817 * config/i386/i386.c (override_options): Tuning 32-byte loop
5818 alignment for amdfam10 architecture. Increasing the max loop
5819 alignment to 24 bytes.
5820
5821 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
5822
5823 * config/m68k/constraints.md: New.
5824 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
5825 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
5826 EXTRA_CONSTRAINT): Remove.
5827 * config/m68k/m68k.md: Include constraints.md.
5828 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
5829
5830 2007-05-01 Ian Lance Taylor <iant@google.com>
5831
5832 PR tree-optimization/31739
5833 * tree-vrp.c (vrp_val_is_max): New static function.
5834 (vrp_val_is_min): New static function.
5835 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
5836 copying the node.
5837 (set_value_range): Use vrp_val_is_{max,min}.
5838 (extract_range_from_assert): Likewise.
5839 (extract_range_from_binary_expr): Likewise.
5840 (extract_range_from_unary_expr): Likewise.
5841 (dump_value_range, vrp_meet): Likewise.
5842 (vrp_visit_phi_node): Likewise.
5843 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
5844
5845 2007-05-01 Mark Mitchell <mark@codesourcery.com>
5846
5847 * config/i386/gmon-sol2.c (size_t): New type.
5848 (intptr_t): Likewise.
5849 (s_textsize): Declare as size_t.
5850 (sbrk): Declare.
5851 (monstartup): Use size_t for sizes.
5852 (_mcount): Save and restore registers.
5853 (internal_mcount): Pass 0 as the first argument to monstartup
5854 in 64-bit mode.
5855 (moncontrol): Convert pointer to appropriately sized integer
5856 before passing to profil.
5857
5858 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5859
5860 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
5861 __NO_FPRS__, not just if _SOFT_DOUBLE.
5862 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
5863 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
5864 also for E500 double.
5865 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
5866 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
5867 && !TARGET_FPRS).
5868
5869 2007-05-01 Richard Guenther <rguenther@suse.de>
5870
5871 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
5872 is NULL.
5873
5874 2007-05-01 Joseph Myers <joseph@codesourcery.com>
5875
5876 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
5877
5878 2007-05-01 Jan Hubicka <jh@suse.cz>
5879
5880 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
5881 invariant.
5882
5883 2007-05-01 Jan Hubicka <jh@suse.cz>
5884
5885 * tree.h (maybe_fold_offset_to_component_ref): Remove.
5886 (maybe_fold_offset_to_reference): Declare.
5887 * fold-const.c (fold_unary): Do not fold
5888 (type *)&A into &A->field_of_type_and_offset_0
5889 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
5890 size is unknown, give up.
5891 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
5892 offsets.
5893 (maybe_fold_offset_to_reference): New.
5894 (maybe_fold_stmt_indirect): Use it.
5895 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
5896 * gimplify.c (gimplify_conversion): Canonicalize conversions to
5897 field references.
5898 (gimplify_expr): Likewise for plus_expr.
5899
5900 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5901
5902 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
5903 bsi_after_labels. Always insert statements before bsi.
5904 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5905 * predict.c (apply_return_prediction): Check for empty blocks.
5906 * cfgexpand.c (lab_rtx_for_bb): New variable.
5907 (label_rtx_for_bb): Do not create new tree labels.
5908 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
5909 (tree_expand_cfg): Initialize lab_rtx_for_bb.
5910 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
5911 creating edges.
5912 (label_for_bb): Add field used.
5913 (update_eh_label, main_block_label): Mark the label used.
5914 (cleanup_dead_labels): Remove unused labels.
5915
5916 2007-05-01 Richard Guenther <rguenther@suse.de>
5917
5918 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
5919 if it is not about to be set.
5920 (get_value_range): Do not pre-allocate equiv bitmap.
5921 (update_value_range): No need to clear equiv field.
5922 (add_equivalence): Change prototype to get bitmap pointer.
5923 Allocate bitmap here if it is not already.
5924 (extract_range_from_assert): Do not allocate bitmap here.
5925 Update callers to add_equivalence.
5926 (extract_range_from_ssa_name): Likewise.
5927 (get_vr_for_comparison): New static helper.
5928 (compare_name_with_value): Handle NULL equiv bitmap by
5929 peeling the first iteration of the comparison loop.
5930 Use get_vr_for_comparison.
5931 (compare_names): Handle NULL equiv bitmaps by using fake
5932 ones. Use get_vr_for_comparison.
5933
5934 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
5935
5936 * double-int.c (mpz_set_double_int): Moved from
5937 tree-ssa-loop-niter.c.
5938 (mpz_get_double_int): Likewise; also, add option to wrap
5939 out-of-range integers.
5940 * double-int.h: New prototypes for above.
5941 * tree.c (get_static_type_bounds): Moved from
5942 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
5943 TYPE_MAX_VALUE if they exist..
5944 * tree.h: New prototype for above.
5945 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
5946 get_type_bounds calls.
5947 (mpz_set_double_int): Move to double-int.c.
5948 (get_type_bounds): Move to tree.c, rename to
5949 get_static_type_bounds.
5950 (mpz_to_double_int): Move to double-int.c, rename to
5951 mpz_get_double_int.
5952
5953 2007-04-30 Bob Wilson <bob.wilson@acm.org>
5954
5955 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
5956 DIV0 exception can fall through to a normal return.
5957
5958 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
5959
5960 PR middle-end/22156
5961 Temporarily revert:
5962 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
5963 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
5964 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
5965 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
5966 initialize align to silence bogus warning.
5967 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
5968 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
5969 all_no_warning.
5970 (struct sra_walk_fns): Remove use_all parameter from use.
5971 (sra_hash_tree): Handle BIT_FIELD_REFs.
5972 (sra_elt_hash): Don't hash bitfld blocks.
5973 (sra_elt_eq): Skip them in parent compares as well. Handle
5974 BIT_FIELD_REFs.
5975 (sra_walk_expr): Don't maintain or pass down use_all_p.
5976 (scan_use): Remove use_all parameter.
5977 (scalarize_use): Likewise. Re-expand assignment to
5978 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
5979 output, and re-scalarize after output. Don't mark anything
5980 for no warning.
5981 (scalarize_ldst): Adjust.
5982 (scalarize_walk_gimple_modify_statement): Likewise.
5983 (build_element_name_1): Handle BIT_FIELD_REFs.
5984 (instantiate_element): Don't warn for any element whose parent
5985 is used as a whole.
5986 (instantiate_missing_elements_1): Return the sra_elt.
5987 (canon_type_for_field): New.
5988 (try_instantiate_multiple_fields): New.
5989 (instantiate_missing_elemnts): Use them.
5990 (mark_no_warning): Removed.
5991 (generate_one_element_ref): Handle BIT_FIELD_REFs.
5992 (REPLDUP, sra_build_elt_assignment): New.
5993 (generate_copy_inout): Use them.
5994 (generate_element_copy): Likewise. Handle bitfld differences.
5995 (generate_element_zero): Don't recurse for blocks. Use
5996 sra_build_elt_assignment.
5997 (generate_one_element_int): Take elt instead of var. Use
5998 sra_build_elt_assignment.
5999 (generate_element_init_1): Adjust.
6000 (scalarize_use, scalarize_copy): Use REPLDUP.
6001 (scalarize_ldst): Move assert before dereference.
6002 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
6003
6004 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
6005
6006 PR C++/31721
6007 * tree.c (reconstruct_complex_type): Reconstruct a reference
6008 correctly.
6009 Also use the same mode for the pointer as the old pointer type.
6010
6011 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6012
6013 * doc/trouble.texi (Interoperation): Remove note about Ultrix
6014 Fortran compiler.
6015
6016 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
6017
6018 PR rtl-optimization/31676
6019 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
6020 (df_refs_record): Call it.
6021
6022 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
6023
6024 * rtl.def (SS_ABS): New code.
6025 * config/bfin/bfin.c (print_operand): New modifier 'v'.
6026 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
6027 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
6028 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
6029 (bfin_init_builtins): Define them.
6030 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
6031 (bfin_expand_builtin): ... and handle the others here.
6032 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
6033 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
6034 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
6035 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
6036 operand is only HImode.
6037
6038 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
6039
6040 * regclass.c (scan_one_insn): Remove splitting of
6041 two address insns.
6042
6043 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
6044 Nigel Stephens <nigel@mips.com>
6045
6046 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6047
6048 2007-04-28 Jan Hubicka <jh@suse.cz>
6049
6050 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
6051 insn_locators_alloc instead of insn_locators_initialize;
6052 call reset_block_changes.
6053 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6054 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
6055 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
6056 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
6057 * config/score/score.c (th_output_mi_thunk): Likewise.
6058 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
6059 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
6060 tolerate uninitialized locator info.
6061
6062 Re-apply:
6063 * function.c (init_function_start): Don't init line number info.
6064 (expand_function_end): Update.
6065 (reset_block_changes, record_block_change, finalize_block_changes,
6066 check_block_change, free_block_changes): Kill.
6067 * function.h (reset_block_changes, record_block_change,
6068 finalize_block_changes, check_block_change, free_block_changes): Remove
6069 prototypes.
6070 (struct function): Remove ib_boundaries_block.
6071 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6072 Use curr_insn_locator to initialize locator.
6073 (emit_line_note): Remove.
6074 * cfgexpand.c (expand_gimple_cond_expr): Update.
6075 (construct_exit_block): Likewise.
6076 (tree_expand_cfg): Initialize/finalize locators.
6077 * expr.c (expand_expr_real): Update.
6078 * cfglayout.c (line_locators_locs, line_locators_lines,
6079 file_locators_locs, file_locators_files): Remove.
6080 (set_block_levels): Move to cfgexpand.c.
6081 (insn_locators_initialize): Remove.
6082 (pass_insn_locators_initialize): Remove.
6083 (locations_locators_locs, locations_locators_vals): New static vars.
6084 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6085 Likewise.
6086 (insn_locators_alloc, insn_locators_finalize,
6087 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6088 New functions.
6089 (locator_location): New.
6090 (locator_line, locator_file): Rewrite.
6091 * rtl.h (emit_line_note): Kill.
6092 (insn_locators_alloc, insn_locators_finalize,
6093 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6094 Declare.
6095 * tree-inline.c (initialize_cfun): Do not initialize
6096 ib_boundaries_block.
6097 * passes.c (pass_insn_locators_initialize): Remove.
6098
6099 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
6100
6101 * tree-cfg.c (move_block_to_fn): Release bb from dominance
6102 info. Update last_basic_block correctly.
6103
6104 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
6105
6106 PR target/31701
6107 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
6108 register itself to hold the offset constant. Tell flow the use
6109 of r4 and r5 when they are used.
6110
6111 2007-04-27 Richard Guenther <rguenther@suse.de>
6112
6113 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
6114 if we simplified anything.
6115 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
6116 warnings until we did a simplification and the stmt was not
6117 marked as TREE_NO_WARNING.
6118
6119 2007-04-27 Mike Stump <mrs@apple.com>
6120
6121 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
6122
6123 2007-04-27 Ian Lance Taylor <iant@google.com>
6124
6125 PR middle-end/31710
6126 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
6127 TYPE_MAX_VALUE exist, convert them to the new type.
6128
6129 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6130
6131 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
6132 if it claims to be available.
6133 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
6134 edge is redirected.
6135 (perform_tree_ssa_dce): Always free postdominators.
6136
6137 2007-04-27 Richard Henderson <rth@redhat.com>
6138
6139 * config/alpha/predicates.md (aligned_memory_operand): Mark
6140 as define_special_predicate.
6141 (unaligned_memory_operand, normal_memory_operand): Likewise.
6142 (reg_or_unaligned_mem_operand): Remove.
6143 (any_memory_operand): Match the documentation and check for
6144 non-renumbered pseudos during reload.
6145 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
6146 alpha_secondary_reload_class, update to new interface, make static.
6147 Handle CQImode like HImode. Remove FP subreg check.
6148 (alpha_expand_mov): Use replace_equiv_address.
6149 (alpha_expand_mov_nobwx): Use any_memory_operand.
6150 (TARGET_SECONDARY_RELOAD): New.
6151 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
6152 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6153 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
6154 * config/alpha/alpha.md: ... here.
6155 (RELOAD12, reloadmode): New.
6156 (movcqi): New.
6157 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
6158 Don't handle the aligned case here.
6159 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
6160 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
6161 reload_inhi_help. Don't expect a scratch register.
6162 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
6163 reload_outhi_help.
6164 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
6165
6166 2007-04-27 Richard Guenther <rguenther@suse.de>
6167
6168 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
6169
6170 2007-04-27 Richard Guenther <rguenther@suse.de>
6171
6172 PR tree-optimization/30965
6173 PR tree-optimization/30978
6174 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
6175 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
6176 (find_equivalent_equality_comparison): Likewise.
6177 (simplify_cond): Likewise.
6178 (get_prop_source_stmt): New helper.
6179 (get_prop_dest_stmt): Likewise.
6180 (can_propagate_from): Likewise.
6181 (remove_prop_source_from_use): Likewise.
6182 (combine_cond_expr_cond): Likewise.
6183 (forward_propagate_comparison): New function.
6184 (forward_propagate_into_cond): Rewrite to use fold for
6185 tree combining.
6186 (tree_ssa_forward_propagate_single_use_vars): Call
6187 forward_propagate_comparison to propagate comparisons.
6188
6189 2007-04-27 Richard Guenther <rguenther@suse.de>
6190
6191 PR tree-optimization/31715
6192 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
6193 sure to do computation on the offset in an appropriate
6194 signed type.
6195
6196 2007-04-27 Richard Sandiford <richard@codesourcery.com>
6197
6198 * reload.h (elimination_target_reg_p): Declare.
6199 * reload.c (find_reloads): Don't apply the reg_rtx move
6200 optimization if the SET_DEST satisfies elimination_target_reg_p.
6201 * reload1.c (elimination_target_reg_p): New function.
6202 (gen_reload): In the move/add2 fallback, make sure that op0
6203 does not overlap the destination register.
6204
6205 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6206
6207 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
6208 transform only GIMPLE_MODIFY_STMTs.
6209 * tree-complex.c (expand_complex_operations_1): Ditto.
6210 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
6211 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
6212 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
6213 branches.
6214 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6215 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
6216 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
6217 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
6218 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
6219 slpeel_add_loop_guard): Ditto.
6220 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6221 * lambda-code.c (perfect_nestify): Ditto.
6222 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
6223 before the first statement.
6224 * tree-optimize.c (execute_free_datastructures): Fix comments.
6225 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
6226 * tree-flow.h (disband_implicit_edges): Declaration removed.
6227 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
6228 branches.
6229 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
6230 without gotos.
6231 (disband_implicit_edges, has_label_p): Removed.
6232 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
6233 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
6234 branches.
6235 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
6236 side effects.
6237 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
6238 also for COND_EXPRs.
6239 * cfgexpand.c (label_rtx_for_bb): New function.
6240 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
6241 Use label_rtx_for_bb to find the labels.
6242 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
6243 last block. Detect fallthru edges.
6244
6245 2007-04-26 Ian Lance Taylor <iant@google.com>
6246
6247 PR target/28675
6248 * reload.c (find_reloads_subreg_address): If the address was valid
6249 in the original mode but not in the new mode, reload the whole
6250 address.
6251
6252 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6253
6254 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
6255 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
6256 (cleanup_control_expr_graph): Do not invalidate dominance info.
6257 Record altered blocks.
6258 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
6259 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
6260 cleanup_tree_cfg_bb): New functions.
6261 (remove_forwarder_block): Do not maintain the worklist of blocks.
6262 Record altered blocks.
6263 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
6264 not over whole cfg.
6265 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
6266 delete_unreachable_blocks if dominators are not available.
6267 * tree-inline.c (optimize_inline_calls): Free dominance information
6268 earlier.
6269 * tree-flow.h (remove_edge_and_dominated_blocks,
6270 cfgcleanup_altered_bbs): Altered.
6271 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
6272 blocks.
6273 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
6274 functions.
6275 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
6276 do not invalidate dominators.
6277
6278 2007-04-26 Anatoly Sokolov <aesok@post.ru>
6279
6280 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
6281 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
6282 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6283 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6284
6285 2007-04-26 Steve Ellcey <sje@cup.hp.com>
6286
6287 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
6288
6289 2007-04-26 Richard Guenther <rguenther@suse.de>
6290
6291 PR tree-optimization/31703
6292 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
6293 the right type for the target of the bittest.
6294
6295 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6296
6297 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
6298 ix86_sol10_return_in_memory.
6299
6300 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6301
6302 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
6303 variables.
6304
6305 2007-04-26 Jakub Jelinek <jakub@redhat.com>
6306
6307 PR c++/31598
6308 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
6309
6310 PR tree-optimization/30558
6311 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
6312 clear this_state.prev_try.
6313
6314 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6315 Mark Mitchell <mark@codesourcery.com>
6316
6317 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
6318 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
6319 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
6320
6321 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6322
6323 PR driver/31107
6324 * doc/invoke.texi (%:print-asm-header): Document.
6325 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
6326 and -ftarget-help.
6327 (static_spec_functions): Add print-asm-header.
6328 (main): Print a banner before the --target-help linker options.
6329 (print_asm_header_spec_function): New function.
6330
6331 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
6332
6333 PR target/31403
6334 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
6335 (movsf_ie): Likewise.
6336
6337 2007-04-25 Paolo Carlini <pcarlini@suse.de>
6338
6339 * doc/extend.texi ([Type Traits]): Adjust per N2255.
6340
6341 2007-04-25 Bob Wilson <bob.wilson@acm.org>
6342
6343 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
6344 for divide-by-zero.
6345 (__umodsi3, __modsi3): Likewise.
6346
6347 2007-04-25 Dirk Mueller <dmueller@suse.de>
6348
6349 * c-typeck.c (build_compound_expr): Annotate warning()
6350 call with OPT_Wunused_value.
6351 * tree-ssa.c (warn_uninit): Annotate warning with
6352 OPT_Wunintialized.
6353 * c-common.c (handle_sentinel_attribute): Annotate warning
6354 call with OPT_Wattributes.
6355
6356 2007-04-25 Thiemo Seufer <ths@mips.com>
6357
6358 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
6359 (mips16): Fix typo.
6360 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
6361 on to the assembler. Improve handling of -mno-mips16. Add handling
6362 of -mno-mips3d, -mno-dsp, -mno-dspr2.
6363 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
6364 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
6365 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
6366
6367 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
6368
6369 PR target/31680
6370 * config/i386/winnt.c (i386_pe_file_end): Strip only
6371 USER_LABEL_PREFIX when writing export name.
6372
6373 2007-04-25 Richard Sandiford <richard@codesourcery.com>
6374
6375 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
6376 sh/elf.h, vx-common.h and vxworks.h.
6377 * config/sh/sh.h: Include config/vxworks-dummy.h.
6378 (SUBTARGET_OVERRIDE_OPTIONS): Define.
6379 (OVERRIDE_OPTIONS): Use it.
6380 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
6381 (vxworks_picreg): New pattern.
6382 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
6383 VXWORKS_OS_CPP_BUILTINS.
6384 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
6385 to their VXWORKS_* equivalents.
6386 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
6387 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
6388 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
6389 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
6390 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
6391 -mrtp/-fPIC multilibs.
6392 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
6393 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
6394 (MULTILIB_OSDIRNAMES): Delete.
6395
6396 2007-04-25 Anatoly Sokolov <aesok@post.ru>
6397
6398 PR target/18989
6399 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
6400
6401 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
6402
6403 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
6404 rounding mode to be specified by the caller.
6405 (real_to_mpfr) Likewise.
6406 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
6407 include new arguments.
6408 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
6409
6410 2007-04-24 Ian Lance Taylor <iant@google.com>
6411
6412 PR tree-optimization/31605
6413 * tree-vrp.c (set_value_range): Check that min and max are not
6414 both overflow infinities.
6415 (set_value_range_to_value): New static function.
6416 (extract_range_from_binary_expr): Call set_value_range_to_value.
6417 (extract_range_from_cond_expr): Likewise.
6418 (extract_range_from_expr): Likewise.
6419 (extract_range_from_unary_expr): Likewise. Don't create a range
6420 which overflows on both sides.
6421 (vrp_meet): Check for a useless range.
6422 (vrp_visit_phi_node): If we see a constant which looks like an
6423 overflow infinity, turn off the TREE_OVERFLOW flag.
6424
6425 2007-04-24 Ian Lance Taylor <iant@google.com>
6426
6427 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
6428
6429 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
6430
6431 PR diagnostic/25923
6432 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
6433 diagnostic message is being built.
6434 * tree-pretty-print.c (dump_generic_node): Only write the
6435 formatted text into BUFFER's stream if we are not building a
6436 diagnostic message.
6437 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
6438 dump_generic_node.
6439 * Makefile.in (toplev.o): Depend on tree-pass.h.
6440
6441 2007-04-24 Ian Lance Taylor <iant@google.com>
6442
6443 PR tree-optimization/31602
6444 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
6445 conditionals in the copied loop header.
6446 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
6447 warnings if TREE_NO_WARNING is set.
6448 * doc/invoke.texi (Warning Options): Clarify that
6449 -Wstrict-overflow does not warn about loops.
6450
6451 2007-04-24 Janis Johnson <janis187@us.ibm.com>
6452
6453 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
6454 expand on the comment about _Decimal128 arguments and check the
6455 integer result of the modulus operation; for 64-bit ELF ABI, ensure
6456 that _Decimal128 argument uses even/odd register pair.
6457 (function_arg): Ditto.
6458
6459 2007-04-24 Hui-May Chang <hm.chang@apple.com>
6460
6461 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
6462 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
6463
6464 2007-04-24 Richard Guenther <rguenther@suse.de>
6465 Olga Golovanevsky <olga@il.ibm.com>
6466
6467 * fold-const.c (multiple_of_p): Check for bottom
6468 to be zero.
6469
6470 2007-04-24 Richard Henderson <rth@redhat.com>
6471
6472 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
6473 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
6474 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
6475 looking for non-zero bits shifted out. Avoid a recursive call
6476 when constructing the scalar.
6477 (__floatundisf): Likewise.
6478
6479 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
6480
6481 * dwarf2out.c (field_byte_offset): Move the existing logic
6482 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
6483 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
6484
6485 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6486
6487 PR target/31641
6488 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
6489 argument of 0 for memset.
6490 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
6491 unsigned shift instead of the signed variant.
6492
6493 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6494
6495 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
6496 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
6497 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
6498 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6499 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
6500 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
6501 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
6502 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
6503 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
6504 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
6505 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
6506 "mul<mode>3", "div<mode>3"): Insn definitions added.
6507 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
6508 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
6509 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
6510 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
6511 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
6512 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
6513 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
6514 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
6515 TARGET_FLOAT_FORMAT): Macro definitions removed.
6516 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
6517 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
6518 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
6519 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
6520 (s390_gen_rtx_const_DI): Function removed.
6521 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
6522
6523 2007-04-24 Richard Sandiford <richard@codesourcery.com>
6524
6525 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
6526 over an external ffs function.
6527
6528 2007-04-24 Chao-ying Fu <fu@mips.com>
6529 Richard Sandiford <richard@nildram.co.uk>
6530
6531 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
6532 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
6533 (smadd_widen_optab, umadd_widen_optab): Define.
6534 * optabs.c (init_optabs): Initialize smadd_widen_optab and
6535 umadd_widen_optab.
6536 * genopinit.c (optabs): Fill in smadd_widen_optab and
6537 umadd_widen_optab.
6538 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
6539 and umadd_widen_optab to implement multiply-add sequences.
6540 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
6541 (<u>maddsidi4): ...this. Extend condition to include
6542 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
6543 of operand 0 to "ka" and use the three-operand form of madd<u>
6544 for TARGET_DSPR2.
6545 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
6546 to define_expands.
6547 * config/mips/constraints.md (ka): New register constraint.
6548
6549 2007-04-24 Jan Hubicka <j@suse.cz>
6550
6551 Revert:
6552
6553 2007-04-23 Jan Hubicka <jh@suse.cz>
6554 * function.c (init_function_start): Don't init line number info.
6555 (expand_function_end): Update.
6556 (reset_block_changes, record_block_change, finalize_block_changes,
6557 check_block_change, free_block_changes): Kill.
6558 * function.h (reset_block_changes, record_block_change,
6559 finalize_block_changes, check_block_change, free_block_changes): Remove
6560 prototypes.
6561 (struct function): Remove ib_boundaries_block.
6562 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6563 Use curr_insn_locator to initialize locator.
6564 (emit_line_note): Remove.
6565 * cfgexpand.c (expand_gimple_cond_expr): Update.
6566 (construct_exit_block): Likewise.
6567 (tree_expand_cfg): Initialize/finalize locators.
6568 * expr.c (expand_expr_real): Update.
6569 * cfglayout.c (line_locators_locs, line_locators_lines,
6570 file_locators_locs, file_locators_files): Remove.
6571 (set_block_levels): Move to cfgexpand.c.
6572 (insn_locators_initialize): Remove.
6573 (pass_insn_locators_initialize): Remove.
6574 (locations_locators_locs, locations_locators_vals): New static vars.
6575 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6576 Likewise.
6577 (insn_locators_alloc, insn_locators_finalize,
6578 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6579 New functions.
6580 (locator_location): New.
6581 (locator_line, locator_file): Rewrite.
6582 * rtl.h (emit_line_note): Kill.
6583 (insn_locators_alloc, insn_locators_finalize,
6584 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6585 Declare.
6586 * tree-inline.c (initialize_cfun): Do not initialize
6587 ib_boundaries_block.
6588 * passes.c (pass_insn_locators_initialize): Remove.
6589
6590 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
6591
6592 * doc/invoke.texi: Removed leading '-' from option index entries.
6593
6594 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
6595
6596 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
6597 Use phi_nodes_ptr.
6598 (create_phi_node): Use set_phi_nodes.
6599 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
6600 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
6601 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
6602 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
6603 (bsi_start, bsi_last): Use bb_stmt_list.
6604 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
6605 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
6606 Traverse the statements using tsi iterator.
6607 * basic-block.h (struct basic_block_def): Fields stmt_list
6608 and phi_nodes moved to ...
6609 (struct tree_bb_info): ... new structure.
6610 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
6611 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
6612 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
6613 (tree_verify_flow_info): Verify that il.tree is not set for
6614 entry and exit block.
6615 (tree_split_block): Use set_bb_stmt_list.
6616
6617 2007-04-23 Mike Stump <mrs@apple.com>
6618
6619 * config/i386/i386.c (ix86_tune_features
6620 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
6621 nocona and core2.
6622
6623 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6624
6625 * config/i386/i386.md (prefix_extra): New attribute.
6626 (length): Add prefix_extra.
6627
6628 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
6629 (sse2_movntv2di): Likewise.
6630 (sse2_cvtps2dq): Likewise.
6631 (sse2_cvtpd2pi): Likewise.
6632 (sse2_cvttpd2pi): Likewise.
6633 (*sse2_cvtpd2ps): Likewise.
6634 (*add<mode>3): Likewise.
6635 (sse2_ssadd<mode>3): Likewise.
6636 (sse2_usadd<mode>3): Likewise.
6637 (*sub<mode>3): Likewise.
6638 (sse2_sssub<mode>3): Likewise.
6639 (sse2_ussub<mode>3): Likewise.
6640 (*mulv8hi3): Likewise.
6641 (*smulv8hi3_highpart): Likewise.
6642 (*umulv8hi3_highpart): Likewise.
6643 (sse2_umulv2siv2di3): Likewise.
6644 (sse2_pmaddwd): Likewise.
6645 (ashr<mode>3): Likewise.
6646 (lshr<mode>3): Likewise.
6647 (ashl<mode>3): Likewise.
6648 (sse2_ashlti3): Likewise.
6649 (sse2_lshrti3): Likewise.
6650 (*umaxv16qi3): Likewise.
6651 (*smaxv8hi3): Likewise.
6652 (*uminv16qi3): Likewise.
6653 (*sminv8hi3): Likewise.
6654 (sse2_eq<mode>3): Likewise.
6655 (sse2_gt<mode>3): Likewise.
6656 (*and<mode>3): Likewise.
6657 (sse2_nand<mode>3): Likewise.
6658 (*ior<mode>3): Likewise.
6659 (*xor<mode>3): Likewise.
6660 (sse2_packsswb): Likewise.
6661 (sse2_packssdw): Likewise.
6662 (sse2_packuswb): Likewise.
6663 (sse2_punpckhbw): Likewise.
6664 (sse2_punpcklbw): Likewise.
6665 (sse2_punpckhwd): Likewise.
6666 (sse2_punpcklwd): Likewise.
6667 (sse2_punpckhdq): Likewise.
6668 (sse2_punpckldq): Likewise.
6669 (sse2_punpckhqdq): Likewise.
6670 (sse2_punpcklqdq): Likewise.
6671 (*sse2_pinsrw): Likewise.
6672 (*sse2_pextrw): Likewise.
6673 (sse2_pshufd_1): Likewise.
6674 (sse2_uavgv16qi3): Likewise.
6675 (sse2_uavgv8hi3): Likewise.
6676 (sse2_psadbw): Likewise.
6677 (sse2_pmovmskb): Likewise.
6678 (*sse2_maskmovdqu): Likewise.
6679 (*sse2_maskmovdqu_rex64): Likewise.
6680 (sse4a_extrqi): Likewise.
6681 (sse4a_extrq): Likewise.
6682 (sse3_lddqu): Set prefix_rep.
6683 (sse3_addsubv4sf3): Likewise.
6684 (sse3_haddv4sf3): Likewise.
6685 (sse3_hsubv4sf3): Likewise.
6686 (sse_cvtss2si): Likewise.
6687 (sse_cvtss2si_2): Likewise.
6688 (sse_cvtss2siq): Likewise.
6689 (sse_cvtss2siq_2): Likewise.
6690 (sse_cvttss2si): Likewise.
6691 (sse_cvttss2siq): Likewise.
6692 (sse2_cvttps2dq): Likewise.
6693 (sse3_movshdup): Likewise.
6694 (sse3_movsldup): Likewise.
6695 (sse2_cvtsd2si): Likewise.
6696 (sse2_cvtsd2si_2): Likewise.
6697 (sse2_cvtsd2siq): Likewise.
6698 (sse2_cvtsd2siq_2): Likewise.
6699 (sse2_cvttsd2si): Likewise.
6700 (sse2_cvttsd2siq): Likewise.
6701 (*sse2_cvtpd2dq): Likewise.
6702 (*sse2_cvttpd2dq): Likewise.
6703 (sse2_pshuflw_1): Likewise.
6704 (sse2_pshufhw_1): Likewise.
6705 (sse4a_insertqi): Likewise.
6706 (sse4a_insertq): Likewise.
6707 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
6708 (ssse3_phadddv4si3): Likewise.
6709 (ssse3_phaddswv8hi3): Likewise.
6710 (ssse3_phsubwv8hi3): Likewise.
6711 (ssse3_phsubdv4si3): Likewise.
6712 (ssse3_phsubswv8hi3): Likewise.
6713 (ssse3_pmaddubswv8hi3): Likewise.
6714 (ssse3_pmulhrswv8hi3): Likewise.
6715 (ssse3_pshufbv16qi3): Likewise.
6716 (ssse3_psign<mode>3): Likewise.
6717 (ssse3_palignrti): Likewise.
6718 (abs<mode>2): Likewise.
6719 (ssse3_phaddwv4hi3): Set prefix_extra.
6720 (ssse3_phadddv2si3): Likewise.
6721 (ssse3_phaddswv4hi3): Likewise.
6722 (ssse3_phsubwv4hi3): Likewise.
6723 (ssse3_phsubdv2si3): Likewise.
6724 (ssse3_phsubswv4hi3): Likewise.
6725 (ssse3_pmaddubswv4hi3): Likewise.
6726 (ssse3_pmulhrswv4hi3): Likewise.
6727 (ssse3_pshufbv8qi3): Likewise.
6728 (ssse3_psign<mode>3): Likewise.
6729 (ssse3_palignrdi): Likewise.
6730 (abs<mode>2): Likewise.
6731 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
6732 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
6733 (sse2_pmovmskb): Set mode to SI instead of V2DF.
6734
6735 2007-04-23 Nick Clifton <nickc@redhat.com>
6736
6737 * params.def: Fix formatting of emacs local variables.
6738
6739 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
6740
6741 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
6742 move if inter-unit move isn't allowed.
6743 Don't split moving the first element of V2DI to DI to inter-unit
6744 move if inter-unit move isn't allowed.
6745
6746 2007-04-23 Richard Guenther <rguenther@suse.de>
6747
6748 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
6749 and CDI_POST_DOMINATORS separately.
6750
6751 2007-04-23 Nick Clifton <nickc@redhat.com>
6752
6753 * c.opt (Wformat-contains-nul): Add warning attribute.
6754
6755 2007-04-23 Jan Hubicka <jh@suse.cz>
6756
6757 * function.c (init_function_start): Don't init line number info.
6758 (expand_function_end): Update.
6759 (reset_block_changes, record_block_change, finalize_block_changes,
6760 check_block_change, free_block_changes): Kill.
6761 * function.h (reset_block_changes, record_block_change,
6762 finalize_block_changes, check_block_change, free_block_changes): Remove
6763 prototypes.
6764 (struct function): Remove ib_boundaries_block.
6765 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6766 Use curr_insn_locator to initialize locator.
6767 (emit_line_note): Remove.
6768 * cfgexpand.c (expand_gimple_cond_expr): Update.
6769 (construct_exit_block): Likewise.
6770 (tree_expand_cfg): Initialize/finalize locators.
6771 * expr.c (expand_expr_real): Update.
6772 * cfglayout.c (line_locators_locs, line_locators_lines,
6773 file_locators_locs, file_locators_files): Remove.
6774 (set_block_levels): Move to cfgexpand.c.
6775 (insn_locators_initialize): Remove.
6776 (pass_insn_locators_initialize): Remove.
6777 (locations_locators_locs, locations_locators_vals): New static vars.
6778 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6779 Likewise.
6780 (insn_locators_alloc, insn_locators_finalize,
6781 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6782 New functions.
6783 (locator_location): New.
6784 (locator_line, locator_file): Rewrite.
6785 * rtl.h (emit_line_note): Kill.
6786 (insn_locators_alloc, insn_locators_finalize,
6787 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6788 Declare.
6789 * tree-inline.c (initialize_cfun): Do not initialize
6790 ib_boundaries_block.
6791 * passes.c (pass_insn_locators_initialize): Remove.
6792
6793 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
6794
6795 PR middle-end/31448
6796 * expr.c (reduce_to_bit_field_precision): Handle
6797 CONST_INT rtx's.
6798
6799 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
6800
6801 PR tree-optimization/24659
6802 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
6803 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
6804 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
6805 * genopinit.c (optabs): Rename vec_pack_mod_optab
6806 to vec_pack_trunc_optab.
6807 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
6808 early for scalar floating point operands for NOP_EXPR.
6809 (vectorizable_type_promotion): Ditto.
6810 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
6811 vec_pack_trunc_optab.
6812 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
6813
6814 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
6815 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
6816 Rename from VEC_PACK_MOD_EXPR.
6817 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
6818 * expr.c (expand_expr_real_1): Ditto.
6819 * tree-inline.c (estimate_num_insns_1): Ditto.
6820 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
6821
6822 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
6823 (vec_unpacks_lo_v4sf): Ditto.
6824 (vec_pack_trunc_v2df): Ditto.
6825 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
6826 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6827 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
6828
6829 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
6830 vec_pack_mod_v8hi.
6831 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
6832
6833 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
6834 Rename from VEC_PACK_MOD_EXPR. This expression also represent
6835 packing of floating point operands.
6836 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
6837 represent unpacking of floating point operands.
6838 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
6839 [vec_unpacks_hi]: Ditto.
6840 [vec_unpacks_lo]: Ditto.
6841
6842 2007-04-22 Jan Hubicka <jh@suse.cz>
6843
6844 * final.c (rest_of_handle_final): Call
6845 targetm.asm_out.constructor/targetm.asm_out.destructor
6846 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
6847 proper priority via decl_*_priority_insert.
6848 * c-common.c (c_expand_body): Likewise.
6849
6850 2007-04-22 Richard Guenther <rguenther@suse.de>
6851
6852 PR tree-optimization/29789
6853 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
6854 (rewrite_reciprocal): New helper split out from
6855 determine_invariantness_stmt.
6856 (rewrite_bittest): Likewise.
6857 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
6858 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
6859 is not.
6860
6861 2007-04-22 Revital Eres <eres@il.ibm.com>
6862
6863 * loop-unroll.c (var_to_expand): New field to support also
6864 insns of the form x = something + x.
6865 (analyze_insn_to_expand_var): Use it.
6866 (expand_var_during_unrolling): Likewise.
6867
6868 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
6869
6870 * predict.c: Include pointer-set.h.
6871 (bb_predictions): New variable.
6872 (tree_predicted_by_p, tree_predict_edge,
6873 remove_predictions_associated_with_edge): Use bb_predictions map
6874 instead of bb->predictions.
6875 (clear_bb_predictions, assert_is_empty): New functions.
6876 (combine_predictions_for_bb): Use bb_predictions map. Call
6877 clear_bb_predictions.
6878 (tree_estimate_probability): Create and free bb_predictions map.
6879 * Makefile.in (predict.o): Add pointer-set.h dependency.
6880 * basic-block.h (struct basic_block_def): Remove predictions
6881 field.
6882 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
6883
6884 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
6885
6886 PR target/31480
6887 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
6888 is null.
6889
6890 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6891
6892 * timevar.c (timevar_print): Change reference of --disable-checking to
6893 --enable-checking=release. Also warn if assert checking is disabled.
6894
6895 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6896
6897 PR C/30265
6898 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
6899 decl as addressable if the compound literal was marked as
6900 addressable.
6901 Mark the decl as a gimple register if it is a complex or
6902 vector decl and does not live in memory.
6903
6904 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
6905
6906 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
6907 (GENERIC_NEXT): New function macro.
6908 (PHI_CHAIN): Use phi_node's new chain variable.
6909 (tree_phi_node): Change tree_common to tree_base
6910 and add the chain field.
6911 * tree-phinodes.c (make_phi_node): Don't set
6912 TREE_TYPE on the new node.
6913 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
6914 instead of checking GIMPLE_TUPLE_P in chain_next.
6915 * tree-vect-transform.c
6916 (get_initial_def_for_induction): Look at
6917 PHI_RESULT_TREE for the type of the phi node.
6918 (update_vuses_to_preheader): Use PHI_CHAIN
6919 instead of TREE_CHAIN on the phi node.
6920 * tree-ssa-structalias.c (compute_points_to_sets):
6921 Likewise.
6922 (ipa_pta_execute): Likewise.
6923
6924 2007-04-21 Richard Guenther <rguenther@suse.de>
6925
6926 PR middle-end/31136
6927 * fold-const.c (fold_unary): Call fold_convert_const on the
6928 original tree.
6929
6930 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
6931
6932 * gcse.c (store_killed_in_insn): Handle PARALLELs.
6933 (store_killed_in_pat): New.
6934
6935 2007-04-20 Richard Henderson <rth@redhat.com>
6936
6937 PR target/31628
6938 * config/i386/i386.c (type_has_variadic_args_p): Look for any
6939 TREE_LIST with a void_type_node value, not void_list_node exactly.
6940
6941 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
6942
6943 * doc/standards.texi: Re-arrange into language-specific
6944 subsections. Add a C++ section, documenting which standards we
6945 support.
6946
6947 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
6948
6949 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
6950 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
6951
6952 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
6953
6954 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
6955 ecrti.o and crtbegin.o.
6956 (LIB_DEFAULT_SPEC): Include -lc.
6957 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
6958
6959 2007-04-20 Richard Henderson <rth@redhat.com>
6960
6961 PR target/28623
6962 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
6963 argument; update all callers.
6964 (get_unaligned_offset): New.
6965 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
6966 get_unaligned_address, just pass on the address directly.
6967 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
6968 the subreg in the helper patterns.
6969 (unaligned_extendqidi_le): Use get_unaligned_offset.
6970 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
6971 (unaligned_extendhidi_be): Likewise.
6972 (unaligned_extendhidi): Tidy.
6973 * config/alpha/alpha-protos.h: Update.
6974
6975 2007-04-20 Richard Henderson <rth@redhat.com>
6976
6977 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
6978 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
6979 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
6980 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
6981 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
6982 (CPP_SPEC): Don't include %(cpp_subtarget).
6983 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
6984 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
6985 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
6986
6987 2007-04-20 Jakub Jelinek <jakub@redhat.com>
6988
6989 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
6990 for __builtin_ia32_cmpordss.
6991
6992 PR tree-optimization/31632
6993 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6994 and arg1 for optimizations of comparison against min/max values.
6995 Fold arg0 to arg1's type for optimizations of comparison against
6996 min+1 and max-1 values.
6997
6998 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
6999
7000 * reload.c (combine_reloads): When trying to use a dying register,
7001 check whether it's uninitialized and don't use if so.
7002
7003 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
7004
7005 * fold-const.c: Remove prototypes for native_encode_expr and
7006 native_interpret_expr.
7007 (native_encode_expr): Make non-static.
7008 (native_interpret_expr): Likewise.
7009 * tree.h: Add prototypes for the above.
7010
7011 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7012
7013 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
7014 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
7015 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
7016 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
7017 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
7018 Add length attributes.
7019
7020 2007-04-19 Janis Johnson <janis187@us.ibm.com>
7021
7022 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
7023 not that it is 1.
7024
7025 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7026 __STDC_WANT_DEC_FP__.
7027
7028 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7029
7030 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
7031 for long double compatibility.
7032 * configure: Regenerate.
7033
7034 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
7035
7036 PR rtl-optimization/29841
7037 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
7038 trap instructions.
7039 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
7040 that may cause control flow transfer from being moved.
7041
7042 2007-04-18 Jan Hubicka <jh@suse.cz>
7043
7044 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
7045 types.
7046
7047 2007-04-18 Eric Christopher <echristo@apple.com>
7048
7049 * config/rs6000/darwin.md (load_macho_picbase): Use link register
7050 only. Update operands.
7051 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
7052 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7053 link register to pic register.
7054
7055 2007-04-18 Dirk Mueller <dmueller@suse.de>
7056
7057 PR diagnostic/31227
7058 * tree-vrp.c (search_for_addr_array): New.
7059 (check_array_bounds): Suppress warning about
7060 address taken of array refs if its not de-referenced.
7061
7062 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7063
7064 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
7065 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
7066
7067 * tree-vectorizer.h (NITERS_KNOWN_P): New.
7068 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
7069 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
7070
7071 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
7072 dump print.
7073 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
7074 print message.
7075 (vect_analyze_scalar_cycles): Fix indentation.
7076 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
7077 (vect_mark_relevant): Include phis in relevance analysis.
7078
7079 * tree-vect-transform.c (vect_transform_loop): Add an assert.
7080
7081 2007-04-18 Anatoly Sokolov <aesok@post.ru>
7082
7083 * config/avr/avr.c (ptrreg_to_str): Replace error() with
7084 output_operand_lossage().
7085
7086 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7087
7088 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
7089 the unused code for reduction without adjust-in-epilog to simplify the
7090 function.
7091
7092 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
7093
7094 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
7095 (S390_TDC_NEGATIVE_ZERO): New constant.
7096 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
7097 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
7098 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
7099 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
7100 (S390_TDC_POSITIVE_INFINITY): New constant.
7101 (S390_TDC_NEGATIVE_INFINITY): New constant.
7102 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
7103 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
7104 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
7105 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
7106 (S390_TDC_INFINITY): New constant.
7107 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
7108 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
7109 optimization for UNSPEC_CCZ_TO_INT.
7110 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
7111 ("*ccz_to_int"): New insn.
7112 ("isinf<mode>2"): New insn.
7113 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
7114 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
7115 (UNSPEC_CCZ_TO_INT): New constant.
7116
7117 2007-04-18 Richard Guenther <rguenther@suse.de>
7118
7119 PR tree-optimization/19431
7120 PR tree-optimization/21463
7121 * tree-pass.h (pass_phiprop): Declare.
7122 * passes.c (init_optimization_passes): New phiprop pass.
7123 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
7124 (phivn_valid_p): New helper function.
7125 (phiprop_insert_phi): Likewise.
7126 (propagate_with_phi): Likewise.
7127 (tree_ssa_phiprop): New propagator propagating loads
7128 through phi nodes if profitable.
7129
7130 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7131
7132 * tree-vect-analyze.c (process_use): New function.
7133 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
7134 Check phis in all bbs.
7135 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
7136 assert.
7137
7138 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
7139
7140 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
7141 we use REG_EQUAL.
7142
7143 2007-04-17 Anatoly Sokolov <aesok@post.ru>
7144
7145 PR target/30483
7146 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
7147 error().
7148
7149 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
7150
7151 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
7152 on "0".
7153 (sse_vmmulv4sf3): Likewise.
7154 (sse2_vmaddv2df3): Likewise.
7155 (sse2_vmmulv2df3): Likewise.
7156
7157 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
7158
7159 PR rtl-optimization/31360
7160 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
7161 (target_reg_cost): New.
7162 (init_set_costs): Initialize target_reg_cost. Add comments
7163 regarding the rationale of the costs.
7164 (global_cost_for_size): Renamed to...
7165 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
7166 of register pressure.
7167 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
7168 estimate_reg_pressure_cost. Add number of ivs.
7169 (determine_set_costs): Dump target_reg_cost.
7170 * loop-invariant.c (gain_for_invariant): Use
7171 estimate_reg_pressure_cost. Removed n_inv_uses argument.
7172 (best_gain_for_invariant, find_invariants_to_move): Remove
7173 n_inv_uses.
7174 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
7175 (target_reg_cost): Declare.
7176 (global_cost_for_size): Declaration removed.
7177 (estimate_reg_pressure_cost): Declare.
7178
7179 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
7180
7181 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
7182 regnos into even/odd register pairs.
7183 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
7184 TDmode similar to the other floating point modes.
7185 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
7186 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
7187 define_expand's.
7188 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
7189 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
7190 (movdd_hardfloat64): Use TARGET_MFPGPR.
7191
7192 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
7193
7194 * reload1.c (delete_output_reload): Don't count output in n_inherited.
7195
7196 Revert
7197 2005-01-05 Richard Henderson <rth@redhat.com>
7198 PR rtl-opt/10692
7199 * reload1.c (do_input_reload): Restrict the optimization deleteing
7200 a previous output reload to RELOAD_FOR_INPUT.
7201
7202 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
7203
7204 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
7205 induc_vec_info_type.
7206 (vectorizable_induction): New function declaration.
7207 * tree-vect-transform.c (get_initial_def_for_induction): No need to
7208 check if already vectorized. Find first place in BB where new stmts
7209 can be inserted. Takes only one argument.
7210 (vectorizable_induction): New function.
7211 (vect_transform_stmt): Add case for induc_vec_info_type to call
7212 vectorizable_induction.
7213 (vect_transform_loop): Consider phis for vectorization.
7214 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
7215 condition.
7216 (analyze_operations): Call vectorizable_induction when analyzing phis.
7217 Fix comment.
7218 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
7219 (vect_mark_relevant): Include phis in relevance analysis.
7220 (vect_mark_stmts_to_be_vectorize): Likewise.
7221 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
7222
7223 2007-04-16 Lawrence Crowl <crowl@google.com>
7224
7225 * doc/invoke.texi (Debugging Options): Add documentation for the
7226 -femit-struct-debug options -femit-struct-debug-baseonly,
7227 -femit-struct-debug-reduced, and
7228 -femit-struct-debug-detailed[=...].
7229
7230 * c-opts.c (c_common_handle_option): Add
7231 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
7232 and OPT_femit_struct_debug_detailed_.
7233 * c.opt: Add specifications for
7234 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
7235 and -femit-struct-debug-detailed[=...].
7236 * opts.c (set_struct_debug_option): Parse the
7237 -femit-struct-debug-... options.
7238 * opts.c (matches_main_base, main_input_basename,
7239 main_input_baselength, base_of_path, matches_main_base): Add
7240 variables and functions to compare header base name to compilation
7241 unit base name.
7242 * opts.c (should_emit_struct_debug): Add to determine to emit a
7243 structure based on the option.
7244 (dump_struct_debug) Also disabled function to debug this
7245 function.
7246 * opts.c (handle_options): Save the base name of the
7247 compilation unit.
7248
7249 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
7250 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
7251 This hook indicates if a type is generic. Set it by default
7252 to "never generic".
7253 * langhooks.h (struct lang_hooks_for_types): Add a new hook
7254 to determine if a struct type is generic or not.
7255 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
7256 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
7257 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
7258 with live C++ hook.
7259
7260 * flags.h (enum debug_info_usage): Add an enumeration to describe
7261 a program's use of a structure type.
7262 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
7263 to indicate the program's usage of the type. Filter structs based
7264 on the -femit-struct-debug-... specification.
7265 (gen_type_die): Split into two routines, gen_type_die and
7266 gen_type_die_with_usage. gen_type_die is now a wrapper
7267 that assumes direct usage.
7268 (gen_type_die_with_usage): Replace calls to gen_type_die
7269 with gen_type_die_with_usage adding the program usage of
7270 the referenced type.
7271 (dwarf2out_imported_module_or_decl): Suppress struct debug
7272 information using should_emit_struct_debug when appropriate.
7273
7274 2007-04-16 Ian Lance Taylor <iant@google.com>
7275
7276 PR tree-optimization/31522
7277 * tree-vrp.c (vr_phi_edge_counts): New static variable.
7278 (vrp_initialize): Allocate vr_phi_edge_counts.
7279 (vrp_visit_phi_node): Don't push to infinity if we saw a new
7280 executable edge. Drop test for all constants.
7281 (vrp_finalize): Free vrp_phi_edge_counts.
7282
7283 * doc/cpp.texi (Common Predefined Macros): Clarify description of
7284 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7285
7286 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
7287 predecessors at head rather than tail.
7288
7289 2007-04-16 Matthias Klose <doko@debian.org>
7290
7291 * config/alpha/linux.h (CPP_SPEC): Define.
7292 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
7293
7294 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
7295
7296 * function.h: Remove sequence_stack extern declaration.
7297
7298 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7299
7300 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
7301 TARGET_FIDOA.
7302 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
7303 defined.
7304
7305 2007-04-16 Anatoly Sokolov <aesok@post.ru>
7306
7307 * config/avr/avr.c (avr_arch_types): Rearranging array.
7308 (enum avr_arch): Add.
7309 (avr_mcu_types): Use avr_arch enumeration constants instead of
7310 numbers.
7311 * config/avr/avr.h (LINK_SPEC): Simplify.
7312
7313 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7314
7315 * config/m68k/m68k.c (m68k_libcall_value,
7316 m68k_function_value): Use macros for register names more.
7317
7318 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
7319 instead.
7320 (M68K_REGNAME): Use A6_REG.
7321 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
7322
7323 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7324
7325 PR middle-end/28071
7326 * sched-int.h (struct deps): Split field 'pending_lists_length' into
7327 'pending_read_list_length' and 'pending_write_list_length'. Update
7328 comment.
7329 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
7330 to handle two length counters instead of one. Update all uses.
7331 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
7332 two length counters instead of one.
7333 * sched-rgn.c (propagate_deps): Update to handle two length counters
7334 instead of one.
7335
7336 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
7337
7338 PR target/31582
7339 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
7340 copy of source, pass it to ix86_expand_vector_set and return
7341 it as target.
7342
7343 2007-04-16 David Ung <davidu@mips.com>
7344 Joseph Myers <joseph@codesourcery.com>
7345
7346 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
7347 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
7348 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
7349 Add 74K processor information.
7350 * config/mips/mips.md: Include 74k.md.
7351 (cpu): Add 74kc,74kf,74kx.
7352 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
7353 * config/mips/74k.md: New.
7354 * doc/invoke.texi (MIPS Options): Document 74K support.
7355
7356 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
7357
7358 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
7359 vectorizable_* functions.
7360 * tree-vect-transform.c (vectorizable_call): Add check for
7361 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
7362 (vectorizable_store): likewise.
7363 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
7364 Add comments.
7365 (vectorizable_operation, vectorizable_type_demotion): Likewise.
7366 (vectorizable_type_promotion, vectorizable_load): Likewise.
7367 (vectorizable_live_operation, vectorizable_condition): Likewise.
7368 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
7369 STMT_VINFO_LIVE_P.
7370 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
7371
7372 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7373
7374 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
7375 register numbers more.
7376 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
7377 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
7378 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
7379 FUNCTION_VALUE_REGNO_P): Likewise.
7380 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
7381 STATIC_CHAIN_REGNUM): Likewise.
7382 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
7383 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
7384 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
7385 * config/m68k/m68k.md (FP_REG): New.
7386
7387 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7388
7389 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
7390 alignment on fido.
7391
7392 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7393
7394 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
7395 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
7396 comment typos.
7397
7398 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7399
7400 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
7401 cold loops.
7402
7403 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
7404
7405 PR c/31520
7406 * c-decl.c (finish_decl): Grab the type of the decl after the call
7407 to store_init_value.
7408
7409 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
7410
7411 * common.opt (fforward-propagate): Fix "Optimization" annotation.
7412
7413 2007-04-14 Jakub Jelinek <jakub@redhat.com>
7414
7415 PR c++/25874
7416 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
7417 post dominators and cleanup cfg before returning.
7418
7419 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
7420
7421 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
7422 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
7423
7424 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
7425
7426 * config.gcc: Recognize fido.
7427 * config/m68k/m68k-devices.def (fidoa): New.
7428 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
7429 __mfido__.
7430 (FL_FIDOA, TARGET_FIDOA): New.
7431 * config/m68k/m68k.opt (mfidoa): New.
7432
7433 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7434
7435 PR middle-end/31322
7436 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
7437 when a personality function is used.
7438
7439 2007-04-13 Bob Wilson <bob.wilson@acm.org>
7440
7441 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
7442
7443 2007-04-13 Mike Stump <mrs@apple.com>
7444
7445 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
7446 we can...
7447 * config/darwin.opt (fapple-kext): Make C++ only.
7448 * config/darwin.c (darwin_override_options): Remove code to ensure
7449 -fapple-kext is given for C++ only.
7450
7451 2007-04-13 Richard Sandiford <richard@codesourcery.com>
7452
7453 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
7454 * config/mips/mips.c (override_options): Call
7455 SUBTARGET_OVERRIDE_OPTIONS, if defined.
7456
7457 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7458
7459 * config/i386/i386.opt (msvr3-shlib): Removed.
7460
7461 * doc/invoke.texi: Remove -msvr3-shlib.
7462
7463 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7464
7465 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
7466 with "popcnt" instruction.
7467
7468 2007-04-13 Richard Guenther <rguenther@suse.de>
7469
7470 PR tree-optimization/21258
7471 * tree-vrp.c (compare_case_labels): New helper.
7472 (find_switch_asserts): New function.
7473 (find_assert_locations): Call it for SWITCH_EXPRs.
7474
7475 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
7476
7477 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
7478 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
7479 check is now implied in X87_FLOAT_MODE_P.
7480 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7481 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7482 (fix_trunc<mode>_i386_fisttp): Ditto.
7483 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7484 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7485 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7486 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7487 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7488 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7489 (unnamed_splitters): Ditto.
7490 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
7491 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
7492 FIRST_SSE_REG for local functions when SSE math is enabled or
7493 for functions with sseregparm attribute.
7494 (standard_80387_constant_p): Return -1 if mode is not
7495 X87_FLOAT_MODE_P.
7496 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
7497 (ix86_expand_compare): Ditto.
7498 (ix86_expand_carry_flag_compare): Ditto.
7499 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
7500 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
7501 DECIMAL_FLOAT_MODE_P.
7502 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
7503 of SCALAR_FLOAT_MODE_P.
7504 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
7505 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
7506 checks before FLOAT_MODE_P.
7507 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
7508 before FLOAT_MODE_P.
7509 [DIV]: Ditto.
7510 [NEG]: Ditto.
7511 [ABS]: Ditto.
7512 [SQRT]: Ditto.
7513 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
7514
7515 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
7516 Charles Wilson <libtool@cwilson.fastmail.fm>
7517
7518 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
7519 (libgcc.mvars): Don't depend on them.
7520 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
7521 * exec-tool.in: New.
7522
7523 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
7524
7525 * doc/invoke.text (--help): Document --help=common.
7526
7527 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
7528
7529 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
7530
7531 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7532
7533 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
7534 * genemit.c (main): Emit #include "integrate.h".
7535 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
7536 (LOADGP_RTP): New mips_loadgp_style.
7537 * config/mips/mips.h: Include config/vxworks-dummy.h.
7538 (TARGET_RTP_PIC): New macro.
7539 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
7540 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
7541 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
7542 for TARGET_RTP_PIC.
7543 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
7544 -mvxworks-pic when using -mrtp and a PIC option.
7545 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
7546 for RTP PIC.
7547 (mips_symbolic_constant_p, mips_symbolic_address_p)
7548 (mips_symbol_insns): Handle SYMBOL_HALF.
7549 (override_options): Warn about -G and -mrtp being used together.
7550 Initialize mips_lo_relocs[SYMBOL_HALF].
7551 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
7552 (mips_emit_loadgp): Handle LOADGP_RTP.
7553 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
7554 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
7555 (tablejump): Handle function-relative case table entries if
7556 TARGET_RTP_PIC.
7557 * config/mips/predicates.md (symbol_ref_operand): New predicate.
7558
7559 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7560
7561 * config/mips/mips.md (load_call<mode>): Allow any general register.
7562 destination.
7563 (sibcall_value_internal, sibcall_value_multiple_internal)
7564 (call_value_internal, call_value_split, call_value_multiple_internal)
7565 (call_value_multiple_split): Remove constraints from operand 0.
7566
7567 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7568
7569 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
7570 rather than loadgp_noshared.
7571 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
7572 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
7573 gen_loadgp.
7574 * config/mips/mips.md (loadgp): Rename to...
7575 (loadgp_newabi): ...this.
7576 (loadgp_noshared): Rename to...
7577 (loadgp_absolute): ...this.
7578
7579 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7580
7581 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
7582 false for locally-binding symbols.
7583 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
7584
7585 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7586
7587 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
7588 (SYMBOL_GOT_PAGE_OFST): ...this.
7589 (SYMBOL_GOT_GLOBAL): Rename to...
7590 (SYMBOL_GOT_DISP): ...this.
7591 (SYMBOL_GOTOFF_GLOBAL): Rename to...
7592 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
7593 * config/mips/mips.c (mips_global_symbol_p): New function.
7594 (mips_symbol_binds_local_p): Likewise.
7595 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
7596 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
7597 and mips_symbol_binds_local_p.
7598 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
7599 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
7600 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
7601 SYMBOL_GOTOFF_DISP.
7602 (mips_ok_for_lazy_binding_p): New function.
7603 (mips_load_call_address, mips_expand_call): Use it.
7604 (mips_dangerous_for_la25_p): Likewise.
7605 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
7606 (*got_disp<mode>): Use got_disp_operand instead of
7607 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
7608 SYMBOL_GOTOFF_GLOBAL.
7609 (*got_page<mode>): Use got_page_ofst_operand instead of
7610 local_got_operand.
7611 * config/mips/predicates.md (const_call_insn_operand): Use
7612 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
7613 (global_got_operand): Rename to...
7614 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
7615 SYMBOL_GOT_GLOBAL.
7616 (local_got_operand): Rename to...
7617 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
7618 of SYMBOL_GOT_LOCAL.
7619
7620 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7621
7622 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
7623 TARGET_CALL_CLOBBERED_GP.
7624 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7625 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
7626 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
7627 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
7628 of TARGET_ABICALLS && !TARGET_NEWABI.
7629 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7630 * config/mips/mips.c (mips_load_call_address): Check
7631 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7632 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7633 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
7634 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
7635 TARGET_ABICALLS && TARGET_NEWABI.
7636 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
7637 TARGET_ABICALLS.
7638 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
7639 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
7640 TARGET_ABICALLS && TARGET_NEWABI.
7641 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
7642 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
7643 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
7644 whether indirect calls must use $25.
7645 (mips_extra_live_on_entry): Check TARGET_GOT instead of
7646 TARGET_ABICALLS.
7647 * config/mips/mips.md (jal_macro): Check flag_pic and
7648 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
7649 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
7650 instead of TARGET_ABICALLS.
7651 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
7652 TARGET_ABICALLS && TARGET_OLDABI.
7653 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
7654 (sibcall): In the comment above the define_insn, mention
7655 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
7656 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
7657 instead of TARGET_ABICALLS.
7658
7659 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
7660
7661 * doc/md.texi (Blackfin family constraints): Document PA and PB.
7662 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
7663 (MACFLAGS_MATCH_P): New macro.
7664 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
7665 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
7666 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
7667 the other MACFLAG constants.
7668 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
7669 (flag_machi): Tighten constraints. Renumber some of the operands.
7670 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
7671 output template.
7672 (flag_machi_parts_acconly): New pattern.
7673 (flag_macinithi): Tighten constraints. Allow any accumulator to be
7674 used.
7675 (flag_macinit1hi): Tighten constraints.
7676 (flag_mul_macv2hi_parts_acconly): New pattern.
7677
7678 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
7679 Use a more efficient implementation.
7680 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
7681 inline sequences when not optimizing for size.
7682
7683 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
7684 movhi_high2low): Delete, merge functionality into...
7685 (packv2hi): ... this pattern.
7686
7687 2007-02-11 Jie Zhang <jie.zhang@analog.com>
7688 * config/bfin/bfin.opt (msim): New option.
7689 (mcpu=): New option.
7690 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
7691 (bfin_cpu_t): Typedef of enum bfin_cpu.
7692 (bfin_cpu_type): New declaration.
7693 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
7694 -msim and -mcpu= options.
7695 (LIB_SPEC): Likewise.
7696 * config/bfin/bfin.c (bfin_cpu_type): Define.
7697 (bfin_handle_option): Handle -mcpu= option.
7698 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
7699 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
7700 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
7701
7702 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7703
7704 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
7705 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
7706 (powerpc-wrs-vxworksae): Use ${tm_file}.
7707 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
7708 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
7709 * config/i386/vx-common.h: New file.
7710
7711 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7712
7713 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
7714 of crt0.o%s.
7715
7716 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
7717
7718 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
7719 ldxtr.
7720
7721 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
7722
7723 PR c++/31078
7724 PR c++/31103
7725 * c-common.c (c_build_qualified_type): Set canonical type
7726 appropriately.
7727
7728 2007-04-12 Richard Guenther <rguenther@suse.de>
7729
7730 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
7731 lower bound and element size if lower bound is not zero
7732 or either of the ARRAY_REF operands is set.
7733
7734 2007-04-12 Richard Guenther <rguenther@suse.de>
7735
7736 PR tree-optimization/24689
7737 PR tree-optimization/31307
7738 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
7739 indices by value.
7740 * gimplify.c (canonicalize_addr_expr): To be consistent with
7741 gimplify_compound_lval only set operands two and three of
7742 ARRAY_REFs if they are not gimple_min_invariant. This makes
7743 it never at this place.
7744 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
7745
7746 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7747
7748 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
7749 null before emitting a .nsubspa directive.
7750
7751 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7752
7753 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
7754 need_to_partition_p if there are no memory statements in the
7755 function.
7756
7757 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7758
7759 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
7760 (gcd_of_steps_may_divide_p): New function.
7761 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
7762
7763 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7764
7765 * reload.c (find_reloads_toplev, find_reloads_address,
7766 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
7767 not a pointer equality test, to decide if we need to call
7768 push_reg_equiv_alt_mem.
7769
7770 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
7771
7772 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
7773 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
7774 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
7775
7776 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7777
7778 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
7779 vector to be positive.
7780
7781 2007-04-11 Diego Novillo <dnovillo@redhat.com>
7782
7783 PR 30735
7784 PR 31090
7785 * doc/invoke.texi: Document --params max-aliased-vops and
7786 avg-aliased-vops.
7787 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
7788 debug_memory_partitions): Move to tree-flow.h
7789 * params.h (AVG_ALIASED_VOPS): Define.
7790 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
7791 users.
7792 (mp_info_t): Likewise.
7793 (get_mem_sym_stats_for): New.
7794 (set_memory_partition): Move from tree-flow-inline.h.
7795 (mark_non_addressable): Only clear the set of symbols for the
7796 partition if it exists.
7797 (dump_memory_partitions): Move from tree-ssa-operands.c
7798 (debug_memory_partitions): Likewise.
7799 (need_to_partition_p): New.
7800 (dump_mem_ref_stats): New.
7801 (debug_mem_ref_stats): New.
7802 (dump_mem_sym_stats): New.
7803 (debug_mem_sym_stats): New.
7804 (update_mem_sym_stats_from_stmt): New.
7805 (compare_mp_info_entries): New.
7806 (mp_info_cmp): Call it.
7807 (sort_mp_info): Change argument to a list of mem_sym_stats_t
7808 objects.
7809 (get_mpt_for): Move from tree-ssa-operands.c.
7810 (find_partition_for): New.
7811 (create_partition_for): Remove.
7812 (estimate_vop_reduction): New.
7813 (update_reference_counts): New.
7814 (build_mp_info): New.
7815 (compute_memory_partitions): Refactor.
7816 Document new heuristic.
7817 Call build_mp_info, update_reference_counts,
7818 find_partition_for and estimate_vop_reduction.
7819 (compute_may_aliases): Populate virtual operands before
7820 calling debugging dumps.
7821 (delete_mem_sym_stats): New.
7822 (delete_mem_ref_stats): New.
7823 (init_mem_ref_stats): New.
7824 (init_alias_info): Call it.
7825 (maybe_create_global_var): Remove alias_info argument.
7826 Get number of call sites and number of pure/const call sites
7827 from gimple_mem_ref_stats().
7828 (dump_alias_info): Call dump_memory_partitions first.
7829 (dump_points_to_info_for): Show how many times a pointer has
7830 been dereferenced.
7831 * opts.c (decode_options): For -O2 set --param
7832 max-aliased-vops to 500.
7833 For -O3 set --param max-aliased-vops to 1000 and --param
7834 avg-aliased-vops to 3.
7835 * fortran/options.c (gfc_init_options): Remove assignment to
7836 MAX_ALIASED_VOPS.
7837 * tree-flow-inline.h (gimple_mem_ref_stats): New.
7838 * tree-dfa.c (dump_variable): Dump memory reference
7839 statistics.
7840 Dump NO_ALIAS* settings.
7841 (referenced_var_lookup): Tidy.
7842 (mem_sym_stats): New.
7843 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
7844 and ORIG are different SSA names for a memory partition.
7845 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
7846 * tree-flow.h (struct mem_sym_stats_d): Define.
7847 (mem_sym_stats_t): Define.
7848 (struct mem_ref_stats_d): Define.
7849 (struct gimple_df): Add field mem_ref_stats.
7850 (enum noalias_state): Define.
7851 (struct var_ann_d): Add bitfield noalias_state.
7852 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
7853 debug_mem_ref_stats, debug_memory_partitions,
7854 debug_mem_sym_stats): Declare.
7855 * tree-ssa-structalias.c (update_alias_info): Update call
7856 sites, pure/const call sites and asm sites in structure
7857 returned by gimple_mem_ref_stats.
7858 Remove local variable IS_POTENTIAL_DEREF.
7859 Increase NUM_DEREFS if the memory expression is a potential
7860 dereference.
7861 Call update_mem_sym_stats_from_stmt.
7862 If the memory references memory, call
7863 update_mem_sym_stats_from_stmt for all the direct memory
7864 symbol references found.
7865 (intra_create_variable_infos): Set noalias_state field for
7866 pointer arguments according to the value of
7867 flag_argument_noalias.
7868 * tree-ssa-structalias.h (struct alias_info): Remove fields
7869 num_calls_found and num_pure_const_calls_found.
7870 (update_mem_sym_stats_from_stmt): Declare.
7871 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
7872 Set default value to 100.
7873 (PARAM_AVG_ALIASED_VOPS): Define.
7874
7875 2007-04-11 Richard Guenther <rguenther@suse.de>
7876
7877 PR middle-end/31530
7878 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
7879 a * -b + c as c - a * b if we honor sign dependent rounding.
7880
7881 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
7882
7883 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
7884 bfin_expand_strmov.
7885 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
7886 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
7887 variables.
7888 (initialize_trampoline): Don't use old-style function definition.
7889 (bfin_secondary_reload): Mark IN_P argument as unused.
7890
7891 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
7892
7893 PR tree-optimization/31343
7894 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
7895 (build_polynomial_chrec): Return a scalar when the evolution is zero.
7896 * testsuite/gcc.dg/vect/pr31343.c: New.
7897
7898 2007-04-10 Eric Christopher <echristo@apple.com>
7899
7900 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
7901 * config/i386/i386.md (*cmpfp0): Use.
7902 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7903 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7904 (fix_trunc<mode>_i386_fisttp): Ditto.
7905 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7906 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7907 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7908 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7909 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7910 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7911 (unnamed_splitters): Ditto.
7912 * config/i386/i386.c (output_fix_trunc): Assert that
7913 we're not being passed a TFmode operand.
7914
7915 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
7916
7917 PR tree-optimization/31526
7918 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
7919 n_basic_blocks to find newly added blocks.
7920
7921 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
7922
7923 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
7924 alternative.
7925 (fix_trunc<mode>si_sse): Ditto.
7926 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
7927 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
7928 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
7929 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
7930 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
7931 expander using SSEMODEF mode macro.
7932 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
7933 expander using SSEMODEF mode macro.
7934 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
7935 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
7936 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
7937 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
7938 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
7939 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
7940 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
7941 Macroize insn using X87MODEF mode macro.
7942
7943 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
7944
7945 * config/i386/sse.md (sse2_pinsrw): Removed.
7946 (sse2_pextrw): Renamed to ...
7947 (*sse2_pextrw): This.
7948
7949 2007-04-09 Jan Hubicka <jh@suse.cz>
7950
7951 PR target/27869
7952 * config/i386/sse.md
7953 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
7954 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
7955 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
7956 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
7957
7958 2007-04-09 Jan Hubicka <jh@suse.cz>
7959
7960 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
7961 multiple fields of union.
7962
7963 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
7964
7965 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
7966 (create_preheaders): Check that loops are available.
7967 (fix_loop_structure): Clean up, improve comments.
7968 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
7969 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
7970 state flags.
7971 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
7972 * predict.c (tree_estimate_probability): Do not call
7973 calculate_dominance_info. Call create_preheaders.
7974 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
7975 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
7976 flags.
7977 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
7978 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
7979 * tree-cfg.c (tree_split_edge): Make an assert more precise.
7980 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
7981 arguments.
7982
7983 2007-04-08 Jan Hubicka <jh@suse.cz>
7984
7985 * tree.h (maybe_fold_offset_to_component_ref): Declare.
7986 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
7987 * fold-const.c (fold_unary): Use it.
7988
7989 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
7990
7991 * varasm.c (assemble_variable): Remove call to
7992 lang_hooks.decls.prepare_assemble_variable.
7993 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
7994 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
7995 * langhooks.h (lang_hooks_for_decls): Remove
7996 prepare_assemble_variable.
7997
7998 2007-04-08 Mike Stump <mrs@apple.com>
7999
8000 * config/i386/i386.c: Use inc/dec on Core2.
8001
8002 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
8003
8004 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
8005 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8006 lhd_tree_inlining_end_inlining): Remove.
8007 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
8008 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
8009 end_inlining hooks.
8010 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
8011 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8012 lhd_tree_inlining_end_inlining): Remove prototypes.
8013 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
8014 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8015 LANG_HOOKS_TREE_INLINING_START_INLINING,
8016 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
8017
8018 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
8019 not set it.
8020
8021 2007-04-08 Anatoly Sokolov <aesok@post.ru>
8022
8023 PR target/29932
8024 * config/avr/predicates.md (io_address_operand): Delete predicate.
8025 (low_io_address_operand): Don't use 'mode' argument.
8026 (higth_io_address_operand): Rename ...
8027 (high_io_address_operand): ... to this. Don't use 'mode' argument.
8028 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
8029 for above change.
8030
8031 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
8032
8033 Revert change removing staticp.
8034
8035 2007-04-07 Anatoly Sokolov <aesok@post.ru>
8036
8037 PR target/30289
8038 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
8039 earlyclobber.
8040
8041 2007-04-07 Bruce Korb <bkorb@gnu.org>
8042
8043 * c.opt: Add -Wformat-contains-nul.
8044 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
8045 -Wformat setting.
8046 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
8047 the NUL byte warning.
8048
8049 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
8050
8051 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
8052
8053 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8054
8055 * tree.c (staticp): No longer use staticp langhook.
8056 * langhooks.c (lhd_staticp): Removed.
8057 * langhooks.h (struct lang_hooks): Remove staticp.
8058 * c-common.c (c_staticp): Remove.
8059 * c-common.h (c_staticp): Ditto.
8060 * langhooks-defs.h (lhd_staticp): Ditto.
8061 (LHD_HOOKS_STATICP): Ditto
8062 * tree.h (gcc_assert_lowered): New macro.
8063
8064 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
8065
8066 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
8067 argument "reliable".
8068 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
8069 Add argument "reliable". Propagate it through calls.
8070 (infer_loop_bounds_from_undefined): Derive number of iterations
8071 estimates from references in blocks that do not dominate loop latch.
8072 (gcov_type_to_double_int): New function.
8073 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
8074 and expected_loop_iterations_unbounded.
8075 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
8076 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
8077 * tree-data-ref.c (estimated_loop_iterations): Export.
8078 (get_references_in_stmt): Fix -- do not return addresses of local
8079 objects.
8080 * cfgloop.h (expected_loop_iterations_unbounded,
8081 estimated_loop_iterations): Declare.
8082
8083 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
8084
8085 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
8086
8087 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8088
8089 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8090 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
8091 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
8092 Use output_387_reg_move().
8093 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
8094 expander using X87MODEF12 mode macro.
8095 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
8096 choosing register preferences. Use output_387_reg_move().
8097 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
8098 instead of "x". Use output_387_reg_move().
8099 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
8100 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
8101 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
8102 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
8103 Use output_387_reg_move().
8104 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
8105 mode macro.
8106 (*truncxf?f_i387 splitter): Ditto.
8107
8108 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8109
8110 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8111 LANG_HOOKS_SAFE_FROM_P.
8112 * expr.c (safe_from_p): Remove langhook call.
8113 * langhooks.h (lang_hooks): Remove safe_from_p.
8114 (lhd_safe_from_p): Remove prototype.
8115 * langhooks.c (lhd_safe_from_p): Remove.
8116
8117 2007-04-06 Jan Hubicka <jh@suse.cz>
8118
8119 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
8120 functions.
8121
8122 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8123
8124 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
8125 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
8126 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
8127 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
8128 alternative.
8129 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
8130 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
8131
8132 2007-04-05 Richard Henderson <rth@redhat.com>
8133
8134 * config/alpha/alpha.c (print_operand) [+]: Remove.
8135 (alpha_end_function): Print nop if call at end of function.
8136 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
8137 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
8138 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
8139 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
8140 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
8141 the call pattern. Update peepholes to match.
8142
8143 2007-04-05 Janis Johnson <janis187@us.ibm.com>
8144
8145 * doc/extend.texi (Other Builtins): Add decimal float variants
8146 of signbit.
8147 * builtins.def: Ditto.
8148 * builtins.c (expand_builtin): Ditto.
8149
8150 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
8151 H.J. Lu <hongjiu.lu@intel.com>
8152
8153 PR target/31478
8154 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
8155 of V8HImode when calling ix86_binary_operator_ok.
8156 (sse2_pmaddwd): Call ix86_binary_operator_ok.
8157 (sdot_prodv8hi): Operands 1 and 2 must be register.
8158
8159 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8160
8161 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
8162 initialize align to silence bogus warning.
8163
8164 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8165
8166 PR middle-end/22156
8167 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
8168 all_no_warning.
8169 (struct sra_walk_fns): Remove use_all parameter from use.
8170 (sra_hash_tree): Handle BIT_FIELD_REFs.
8171 (sra_elt_hash): Don't hash bitfld blocks.
8172 (sra_elt_eq): Skip them in parent compares as well. Handle
8173 BIT_FIELD_REFs.
8174 (sra_walk_expr): Don't maintain or pass down use_all_p.
8175 (scan_use): Remove use_all parameter.
8176 (scalarize_use): Likewise. Re-expand assignment to
8177 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
8178 output, and re-scalarize after output. Don't mark anything
8179 for no warning.
8180 (scalarize_ldst): Adjust.
8181 (scalarize_walk_gimple_modify_statement): Likewise.
8182 (build_element_name_1): Handle BIT_FIELD_REFs.
8183 (instantiate_element): Don't warn for any element whose parent
8184 is used as a whole.
8185 (instantiate_missing_elements_1): Return the sra_elt.
8186 (canon_type_for_field): New.
8187 (try_instantiate_multiple_fields): New.
8188 (instantiate_missing_elemnts): Use them.
8189 (mark_no_warning): Removed.
8190 (generate_one_element_ref): Handle BIT_FIELD_REFs.
8191 (REPLDUP, sra_build_elt_assignment): New.
8192 (generate_copy_inout): Use them.
8193 (generate_element_copy): Likewise. Handle bitfld differences.
8194 (generate_element_zero): Don't recurse for blocks. Use
8195 sra_build_elt_assignment.
8196 (generate_one_element_int): Take elt instead of var. Use
8197 sra_build_elt_assignment.
8198 (generate_element_init_1): Adjust.
8199 (scalarize_use, scalarize_copy): Use REPLDUP.
8200 (scalarize_ldst): Move assert before dereference.
8201 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
8202
8203 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8204
8205 * regmove.c: Fix unused variable warnings due to previous commit.
8206
8207 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8208
8209 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
8210 (regmove_bb_head): Remove.
8211 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
8212 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
8213 problems with fixup_match_1.
8214 Don't initialize/free regmove_bb_head.
8215
8216 (reg_is_remote_constant_p): If an insn is in the same basic block
8217 but not before INSN, consider it remote, too.
8218
8219 2007-04-05 Anatoly Sokolov <aesok@post.ru>
8220
8221 PR target/25448
8222 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
8223 DECL_ASSEMBLER_NAME, not the DECL_NAME.
8224
8225 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
8226
8227 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
8228 (CONDITIONAL_REGISTER_USAGE): Likewise.
8229
8230 2007-04-04 Richard Henderson <rth@redhat.com>
8231
8232 * config/alpha/lib1funcs.asm: Remove unused file.
8233
8234 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8235
8236 PR other/31356
8237 * opts.c (print_specific_help): Fix --help=<language>
8238 header line.
8239 (common_handle_option): Support --help=common.
8240
8241 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8242
8243 PR other/31353
8244 * gcc.c (main): Do not run the linker if
8245 print_subprocess_help indicates that it shouldn't be
8246 run.
8247
8248 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8249
8250 PR doc/31355
8251 * doc/invoke.texi (--help=): Document <languages> value, fix
8252 formatting in tables of values.
8253
8254 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
8255
8256 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
8257 dllimport attribute of virtual methods.
8258
8259 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
8260
8261 * config/score/crti.asm: Change _bss_start to __bss_start.
8262 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
8263 (OUTGOING_REG_PARM_STACK_SPACE) update.
8264 * config/score/score.opt: add options to make backend support
8265 score5, score5u, score7 and score7d.
8266 * config/score/score.md: Likewise.
8267 * config/score/misc.md: Likewise.
8268 * config/score/mac.md: Likewise.
8269 * doc/invoke.texi: Likewise.
8270 * doc/md.texi: update constraints define.
8271
8272 2007-04-03 Richard Henderson <rth@redhat.com>
8273
8274 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
8275 an appropriate type, use the mode instead.
8276
8277 2007-04-03 Richard Sandiford <richard@codesourcery.com>
8278
8279 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
8280 Set the default --with-arch setting to mips2.
8281 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
8282 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
8283 (MULTILIB_OSDIRNAMES): Delete.
8284 (MULTILIB_DIRNAMES): Define.
8285 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
8286 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
8287 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
8288 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
8289 VXWORKS_OS_CPP_BUILTINS.
8290 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
8291 (MIPS_DEBUGGING_INFO): Undefine.
8292 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
8293
8294 2007-04-03 Jakub Jelinek <jakub@redhat.com>
8295
8296 PR middle-end/30704
8297 * fold-const.c (native_encode_real): Encode real.c provided longs
8298 as a series of 32-bit native integers.
8299 (native_interpret_real): Interpret buffer as a series of 32-bit
8300 native integers.
8301
8302 2007-04-03 Richard Guenther <rguenther@suse.de>
8303
8304 * genpreds.c (write_insn_constraint_len): Write function
8305 optimized for CONSTRAINT_LEN implementation.
8306 (write_tm_preds_h): Output insn_constraint_len inline and
8307 use it for CONSTRAINT_LEN.
8308 (write_insn_preds_c): Don't output insn_constraint_len.
8309 * doc/md.texi (define_register_constraint): Document multi-letter
8310 constraints shall have the same length if they start with the same
8311 letter.
8312
8313 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8314
8315 PR target/31175
8316 * config/i386/i386.md (isinf<mode>2): Expand only when
8317 TARGET_C99_FUNCTIONS is set.
8318
8319 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8320
8321 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
8322 (x86_64-*-linux*): Ditto.
8323 * config/i386/i386.opt (mpc): New option.
8324 * config/i386/i386.c (overrride_options): Handle
8325 ix87_precision_string.
8326 * config/i386/crtprec.c: New file.
8327 * config/i386/t-crtpc: Ditto.
8328 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
8329 and -mpc80 options.
8330 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
8331 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8332 crtprec32.o, crtprec64.o and crtprec80.o.
8333
8334 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
8335 and -mpc80 options.
8336 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
8337
8338 2007-04-02 Eric Christopher <echristo@apple.com>
8339
8340 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
8341 limitations on darwin.
8342
8343 2007-04-02 Anatoly Sokolov <aesok@post.ru>
8344
8345 PR target/31137
8346 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
8347
8348 2007-04-02 Dave Korn <dave.korn@artimi.com>
8349
8350 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
8351
8352 2007-04-02 Dave Korn <dave.korn@artimi.com>
8353
8354 * libgcc2.h (exception_descriptor): Don't forward-declare.
8355 (__get_eh_table_language, __get_eh_table_version): Delete
8356 prototypes of long-dead functions.
8357
8358 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
8359
8360 * ebitmap.h: New file
8361 * ebitmap.c: New file
8362 * Makefile.in (ebitmap.o): New target.
8363
8364 2007-04-01 Jan Hubicka <jh@suse.cz>
8365
8366 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
8367 before very first instruction.
8368
8369 2007-04-01 Jan Hubicka <jh@suse.cz>
8370
8371 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
8372 waring on 64bit hosts.
8373 * bitmap.h: Fix typo in bitmap_head_def.
8374
8375 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
8376
8377 PR rtl-optimization/31391
8378 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
8379 into a DELETED_LABEL note, and the label is in an empty basic
8380 block, update BB_END as well as BB_HEAD.
8381
8382 2007-04-01 Richard Henderson <rth@redhat.com>
8383
8384 PR tree-optimization/31169
8385 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
8386 to varying if the range is outside [0, prec-1].
8387
8388 2007-04-01 Richard Sandiford <richard@codesourcery.com>
8389
8390 PR target/31388
8391 * config/mips/mips.md (load_const_gp): New insn.
8392 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
8393 the MIPS16 GP pseudo register if no_new_pseudos.
8394 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
8395
8396 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
8397
8398 PR target/31364
8399 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
8400 secureplt.
8401 (call_value): Likewise.
8402
8403 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
8404 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8405
8406 PR 14737
8407 * doc/invoke.texi: (optimization options): Reword description
8408 of -ffast-math. Document its primary purpose.
8409
8410 2007-03-31 Richard Guenther <rguenther@suse.de>
8411
8412 * omp-low.c (splay-tree.h): Include.
8413 (lookup_decl): Replace splay-tree usage by pointer-map.
8414 (maybe_lookup_decl): Likewise.
8415 (new_omp_context): Likewise.
8416 (delete_omp_context): Likewise.
8417 * gimplify.c (splay-tree.h): Include.
8418 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
8419 pointer-map.
8420 (remap_ssa_name): Likewise.
8421 (remap_decl): Likewise.
8422 (remap_type_1): Likewise.
8423 (remap_type): Likewise.
8424 (copy_body_r): Likewise.
8425 (expand_call_inline): Likewise.
8426 (clone_body): Likewise.
8427 (copy_tree_r): Likewise.
8428 (remap_save_expr): Likewise.
8429 (unsave_r): Likewise.
8430 (unsave_expr_now): Likewise.
8431 (tree_function_versioning): Likewise.
8432 (build_duplicate_type): Likewise.
8433 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
8434 (struct copy_body_data): Replace splay-tree by pointer-map.
8435 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
8436 not $(SPLAY_TREE_H).
8437 (gimplify.o): Depend on $(SPLAY_TREE_H).
8438 (omp-low.p): Likewise.
8439
8440 2007-03-31 Anatoly Sokolov <aesok@post.ru>
8441
8442 * config/avr/predicates.md (even_register_operand,
8443 odd_register_operand): New predicates.
8444 * config/avr/avr.md (movw peephole2): New.
8445 (movw_r peephole2): New.
8446
8447 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
8448
8449 * tree.h (get_signed_or_unsigned_type): New.
8450 * fold-const.c (operand_equal_for_comparison_p): Use
8451 get_signed_or_unsigned_type instead of
8452 lang_hooks.types.signed_or_unsigned_type.
8453 * expr.c (store_expr): Ditto.
8454 * langhooks.c (get_signed_or_unsigned_type): New.
8455 (lhd_signed_or_unsigned_type): New.
8456 * langhooks.h (lhd_signed_or_unsigned_type): New.
8457 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
8458
8459 2007-03-30 Richard Henderson <rth@redhat.com>
8460
8461 * tree-ssa-loop-ivopts.c: Include target.h.
8462 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
8463 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
8464 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
8465 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
8466
8467 2007-03-30 Richard Henderson <rth@redhat.com>
8468 Kai Tietz <kai.tietz@onevision.com>
8469
8470 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
8471 default for 64-bit.
8472 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
8473 (TARGET_64BIT_MS_ABI): New.
8474 (DBX_REGISTER_NUMBER): Handle 64-bit.
8475 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
8476 (LONG_TYPE_SIZE): Force to 32.
8477 (REG_PARM_STACK_SPACE): New.
8478 (OUTGOING_REG_PARM_STACK_SPACE): New.
8479 (REGPARM_MAX, SSE_REGPARM_MAX): New.
8480 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8481 (STACK_BOUNDARY): Use 128 for 64-bit.
8482 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
8483 Add 64-bit implementation.
8484 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
8485 argument unused.
8486 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
8487 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
8488 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
8489 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
8490 (ix86_handle_cconv_attribute): Don't warn when ignoring if
8491 TARGET_64BIT_MS_ABI.
8492 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
8493 (ix86_pass_by_reference): Likewise.
8494 (ix86_function_value_regno_p): Likewise.
8495 (ix86_build_builtin_va_list): Likewise.
8496 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
8497 (function_arg_advance_ms_64): New.
8498 (function_arg_advance): Call it.
8499 (function_arg_ms_64): New.
8500 (function_arg): Call it.
8501 (function_value_ms_64): New.
8502 (ix86_function_value_1): Call it.
8503 (return_in_memory_ms_64): New.
8504 (ix86_return_in_memory): Call it.
8505 (setup_incoming_varargs_ms_64): New.
8506 (ix86_setup_incoming_varargs): Call it.
8507 (ix86_expand_prologue): Handle 64-bit stack probing.
8508 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
8509 (output_pic_addr_const): Likewise.
8510 (x86_this_parameter): Likewise.
8511 (x86_output_mi_thunk): Likewise.
8512 (x86_function_profiler): Likewise.
8513 (TARGET_STRICT_ARGUMENT_NAMING): New.
8514 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
8515 (TARGET_64BIT_MS_ABI): New.
8516 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
8517 * config/i386/i386.md (allocate_stack_worker): Remove.
8518 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
8519 describe the clobber of eax without a match_scratch.
8520 (allocate_stack_worker_postreload): Remove.
8521 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
8522 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
8523 (allocate_stack_worker_rex64_postreload): Remove.
8524 (allocate_stack): Handle 64-bit.
8525 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
8526 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
8527 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
8528 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
8529 (STANDARD_STARTFILE_PREFIX_1): Likewise.
8530 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
8531 * config.build (x86_64-*-mingw*): New host.
8532 * config.host (x86_64-*-mingw*): New host.
8533 * config.gcc (x86_64-*-mingw*): New target.
8534 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
8535
8536 2007-03-30 Richard Henderson <rth@redhat.com>
8537 Kai Tietz <kai.tietz@onevision.com>
8538
8539 * c-pragma.c (struct def_pragma_macro_value): New.
8540 (struct def_pragma_macro): New.
8541 (pushed_macro_table): New.
8542 (dpm_hash, dpm_eq): New.
8543 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
8544 (init_pragma): Install them.
8545 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8546
8547 2007-03-30 Anatoly Sokolov <aesok@post.ru>
8548
8549 * config/avr/avr.c (avr_override_options): Clear
8550 'flag_delete_null_pointer_checks'.
8551
8552 2007-03-30 Paolo Carlini <pcarlini@suse.de>
8553
8554 PR c++/26099
8555 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
8556 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
8557 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
8558 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
8559 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
8560 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
8561 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
8562 C++ extensions.
8563 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
8564
8565 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
8566
8567 * regmove.c: Move all of pass_stack_adjustments from here...
8568 * combine-stack-adj.c: ...to this new file.
8569 * Makefile.in: Add rules for combine-stack-adj.o.
8570
8571 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
8572
8573 PR tree-optimization/31383
8574 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
8575 to have the same length.
8576
8577 2007-03-30 Jan Hubicka <jh@suse.cz>
8578
8579 PR middle-end/30700
8580 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
8581 availablility; add more sanity checking; ask varpool only about
8582 VAR_DECL.
8583
8584 2007-03-29 Richard Henderson <rth@redhat.com>
8585
8586 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
8587 to decide, but __SIZEOF_LONG_LONG__.
8588
8589 2007-03-29 Richard Henderson <rth@redhat.com>
8590
8591 * emutls.c (struct __emutls_array): New.
8592 (emutls_destroy): Use it instead of casting element 0 from void*.
8593 (__emutls_get_address): Likewise.
8594
8595 2007-03-29 Richard Henderson <rth@redhat.com>
8596
8597 * varasm.c (initializer_constant_valid_p): Don't deny
8598 DECL_DLLIMPORT_P on functions.
8599
8600 * config/i386/cygming.h: Remove function declarations.
8601 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
8602 (ASM_OUTPUT_LABELREF): Remove.
8603 (COMMON_ASM_OP): Remove.
8604 (ASM_OUTPUT_COMMON): Remove.
8605 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
8606 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
8607 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8608 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
8609 Rename from TARGET_ENCODE_SECTION_INFO.
8610 * config/i386/netware.h: Likewise.
8611 * config/i386/i386-protos.h: Update.
8612 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
8613 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
8614 (legitimate_constant_p): Reject dllimports.
8615 (dllimport_map, get_dllimport_decl): New.
8616 (legitimize_dllimport_symbol): New.
8617 (legitimize_address, ix86_expand_move): Use it.
8618 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
8619 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
8620 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
8621 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
8622 * config/i386/predicates.md (constant_call_address_operand): Only
8623 accept symbols; reject dllimport_p symbols.
8624 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
8625 i386_pe_maybe_record_exported_symbol.
8626 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
8627 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
8628 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
8629 trust the setting of DECL_DLLIMPORT_P.
8630 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
8631 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
8632 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
8633 tidy the argument scanning loop.
8634 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
8635 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
8636 (i386_pe_strip_name_encoding): Remove.
8637 (i386_pe_binds_local_p): New.
8638 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
8639 (i386_pe_output_labelref): Remove.
8640 (i386_pe_asm_output_aligned_decl_common): New.
8641 (i386_pe_maybe_record_exported_symbol): Rename from
8642 i386_pe_record_exported_symbol; check for dllexported symbols.
8643
8644 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
8645
8646 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
8647 add comment explaining why vsnprintf cannot be used.
8648
8649 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
8650
8651 PR tree-optimization/30666
8652 * tree.c (build_complex_type): When creating type names for DWARF2
8653 debug info, create TYPE_DECLs for TYPE_NAME instead of
8654 IDENTIFIER_NODEs.
8655 (build_common_tree_nodes_2): Use build_complex_type when building
8656 predefined complex types, to preserve canonical types.
8657
8658 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
8659
8660 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
8661 (noce_get_alt_condition): Look at it to determine whether to
8662 reverse the condition or not.
8663 (noce_get_condition): Substitute the truth for lies.
8664 (noce_find_if_block): Set the then_else_reversed field.
8665
8666 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
8667
8668 * config/fr30/fr30.md (movdi): Do not accept immediates as the
8669 destination of this insn.
8670 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
8671 than calling gen_rtx_SET directly. Use r0 to hold the value of
8672 'address + 4' rather than a stack based temporary which can be
8673 mis-optimized away.
8674
8675 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8676
8677 * config/s390/s390.c (s390_secondary_input_reload_class,
8678 s390_secondary_output_reload_class): Functions removed.
8679 (s390_secondary_reload): New function.
8680 (TARGET_SECONDARY_RELOAD): Target macro defined.
8681 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
8682 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
8683 * config/s390/s390.md ("reload_outti", "reload_outdi",
8684 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
8685 "reload_out<mode>"): Expanders removed.
8686 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
8687 "reload<mode>_nonoffmem_out"): Expanders added.
8688
8689 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8690
8691 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
8692 SRC->DEST replacement failed anyway.
8693
8694 2007-03-28 Mike Stump <mrs@apple.com>
8695
8696 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
8697 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
8698 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
8699
8700 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8701
8702 * config.gcc: Accept barcelona as a variant of amdfam10.
8703 * config/i386/i386.c (override_options): Likewise.
8704 * doc/invoke.texi: Likewise.
8705
8706 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
8707
8708 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
8709 offsets for BIT_FIELD_REF and COMPONENT_REF.
8710
8711 2007-03-28 Richard Guenther <rguenther@suse.de>
8712
8713 * tree.c (is_global_var): Move ...
8714 * tree-flow-inline.h (is_global_var): ... here.
8715 * tree.h (is_global_var): Remove declaration.
8716
8717 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
8718
8719 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
8720 option.
8721 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
8722 * config/i386/i386.c (ix86_tune_features): Initialize new
8723 tuning option.
8724 * config/i386/predicates.md (promotable_binary_operator): Use
8725 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
8726
8727 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8728
8729 PR target/31380
8730 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
8731
8732 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
8733
8734 * config/fr30/fr30.md (movsi_internal): Change destination
8735 constraint from m to V and add m to the end.
8736
8737 2007-03-28 Christian Bruel <christian.bruel@st.com>
8738
8739 * config/sh/sh.md (movsi_i): Fix type attribute.
8740
8741 2007-03-28 Christian Bruel <christian.bruel@st.com>
8742
8743 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
8744 (movsf_ie): Likewise.
8745
8746 2007-03-28 Christian Bruel <christian.bruel@st.com>
8747
8748 * config.gcc: Add sh4-300 to multilib.
8749 * config/sh/t-mlib-sh4-300: New file.
8750
8751 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
8752
8753 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
8754 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
8755 fix_trunc<mode>di2.
8756 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
8757 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
8758 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
8759 "fixuns_trunctddi2"): Whitespace fix.
8760
8761 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8762
8763 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
8764 the definition of struct sh_args.
8765 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
8766 CALL_COOKIE_INT_REG_GET): Likewise.
8767
8768 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
8769
8770 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
8771 transformations are applied successfully.
8772
8773 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
8774
8775 * tree.c (tree_contains_struct): Permit 512 tree codes.
8776 * tree.h (tree_contains_struct): Ditto.
8777 (MAX_TREE_CODES): Ditto.
8778 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
8779 SPARE member to store remaining padding bits.
8780
8781 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8782
8783 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
8784 architecture.
8785
8786 2007-03-27 Janis Johnson <janis187@us.ibm.com>
8787
8788 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
8789 * configure: Regenerate.
8790
8791 * configure: Regenerate using the correct version of autoconf.
8792
8793 2007-03-27 Anatoly Sokolov <aesok@post.ru>
8794
8795 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
8796 pointer regs.
8797 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
8798 regs to "__SP_L__" and "__SP_H__".
8799
8800 2007-03-27 Richard Guenther <rguenther@suse.de>
8801
8802 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
8803 computations with it with a HOST_WIDE_INT variable.
8804
8805 2007-03-26 Mike Stump <mrs@apple.com>
8806
8807 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
8808 objective-c-header, objective-c++-header and objc++-cpp-output
8809 support.
8810 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
8811
8812 2007-03-26 Richard Henderson <rth@redhat.com>
8813
8814 PR target/31361
8815 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
8816 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
8817 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
8818 IX86_BUILTIN_PSRLQ128): New.
8819 (ix86_init_mmx_sse_builtins): Add them.
8820 (ix86_expand_builtin): Expand them.
8821 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
8822 operand 2 be TImode.
8823 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
8824 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
8825 _mm_srli_epi64): Mark __B const.
8826 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
8827 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
8828 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
8829 new two-vector shift builtins.
8830
8831 2007-03-26 Ian Lance Taylor <iant@google.com>
8832
8833 PR tree-optimization/31345
8834 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
8835 [+INF, +INF(OVF)] into VARYING.
8836
8837 2007-03-26 Zack Weinberg <zackw@panix.com>
8838
8839 * gengtype-parse.c: New file.
8840 * gengtype-yacc.y: Delete.
8841 * gengtype-lex.l: Don't include gengtype-yacc.h.
8842 Define YY_DECL and yyterminate appropriately for recursive
8843 descent parser. yylval is now a string out-parameter to yylex.
8844 (HWS, EOID): New shorthand.
8845 (IWORD): Add a couple more types.
8846 (yylex): Add a setup stanza. Remove the complex rules for
8847 detecting GTY'ed types and typedefs; replace with simple
8848 keyword detectors. Adjust everything for the changed
8849 definition of yylval. Ignore all pp-directives, not just #define.
8850 (yyerror): Delete.
8851 (parse_file): Rename yybegin; do not call yyparse.
8852 (yyend): New.
8853 * gengtype.c (xasprintf): Export again.
8854 (this_file): New. Use everywhere __FILE__ was being used.
8855 (get_lang_bitmap): Special case types defined in gengtype.c.
8856 (do_typedef, new_structure): Suppress definition of certain types.
8857 (new_structure): Improve diagnostics of duplicate definitions.
8858 Make sure location_s is associated with input.h.
8859 (nreverse_pairs, define_location_structures): New functions.
8860 (main): Improve tagging of kludge types. Remove old kludges
8861 for input.h types; use define_location_structures.
8862 * gengtype.h: Update prototypes. Define token codes here.
8863 * Makefile.in: Remove all references to gengtype-yacc.
8864 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
8865 and gengtype.
8866 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
8867 add GTY((skip)) to the field that's only conditionally there.
8868 * doc/install.texi: Document that Bison is no longer required
8869 unless building treelang.
8870
8871 * gengtype.c: Don't include gtyp-gen.h.
8872 (srcdir): Declare here.
8873 (base_files, lang_dir_names): Allocate dynamically.
8874 (gt_files, num_gt_files, num_lang_dirs): New globals.
8875 (measure_input_list, read_input_line, read_input_list)
8876 (set_lang_bitmap): New functions.
8877 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
8878 simplify, relying on read_input_list to set up the bitmaps.
8879 (main): Arguments are no longer unused. Check for correct number
8880 of command line arguments, set srcdir and srcdir_len, then call
8881 read_input_list, before doing anything else. No need to worry
8882 about duplicates in main loop.
8883 * configure.ac: Simplify the calculation of all_gtfiles.
8884 Put language tags in there. Don't set or substitute
8885 all_gtfiles_files_langs or all_gtfiles_files_frags.
8886 * Makefile.in: Revamp the way gengtype is invoked, now that it
8887 takes a file on its command line with a much simpler format.
8888 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
8889 (GTFILES): Remove duplicates and C source files.
8890 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
8891 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
8892 * configure: Regenerate.
8893
8894 * gengtype.h: Remove all type definitions to gengtype.c; leave
8895 only definitions of options_p, type_p, and pair_p as opaque
8896 pointers. Update prototypes.
8897 * gengtype.c: Many type definitions moved here from gengtype.h.
8898 Consolidate type definitions at the top of the file.
8899 (xvasprintf): Delete.
8900 (xasprintf): Make static.
8901 (create_nested_pointer_option): Add 'next' parameter.
8902 (create_field_all, create_field_at): New functions.
8903 (create_field): Now a thin wrapper around create_field_all.
8904 (create_optional_field): Rename create_optional_field_ and add
8905 line argument. Original name is now a macro which supplies
8906 __LINE__.
8907 (oprintf): Use vsnprintf directly.
8908 (close_output_files): Use fatal rather than perror/exit.
8909 (note_def_vec, note_def_vec_alloc): Use create_field_at.
8910 (main): Set progname. Don't use exit.
8911 * gengtype-yacc.y (struct_fields): Use create_field_at.
8912 (option, optionseqopt): Delete.
8913 (optionseq): Consolidate productions from option here so we
8914 can use the first argument to create_option.
8915
8916 * gengtype-lex.l: Distinguish unions from structures in the
8917 token type. Don't call find_structure; return the tag as a string.
8918 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
8919 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
8920 Reorganize typedef_struct production accordingly.
8921 Use create_nested_ptr_option.
8922 * gengtype.c (create_nested_ptr_option): New function.
8923 * gengtype.h: Declare it.
8924
8925 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
8926 (string_type): Don't declare.
8927 (do_scalar_typedef): Declare.
8928 (create_scalar_type): Update prototype.
8929 * gengtype.c (string_type): Make static.
8930 (scalar_nonchar, scalar_char): New.
8931 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
8932 (resolve_typedef): Use scalar_nonchar for error recovery.
8933 (create_scalar_type): Remove name_len field. Return scalar_char
8934 or scalar_nonchar as appropriate.
8935 (adjust_field_type): Look at scalar_is_char boolean to decide whether
8936 to use string_type.
8937 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
8938 whenever possible.
8939 (main): Initialize scalar_char and scalar_nonchar before calling
8940 gen_rtx_next.
8941 * gengtype-lex.l: Adjust for removal of second argument to
8942 create_scalar_type. Use yylval.s instead of yylval.t when
8943 returning SCALAR.
8944 * gengtype-yacc.y: Type of SCALAR is string. Call
8945 create_scalar_type from type:SCALAR rule. Adjust for removal of
8946 second argument to create_scalar_type.
8947
8948 * vec.h: Remove all #if IN_GENGTYPE blocks.
8949 Add comment saying that changes may require adjustments to gengtype.
8950 * gengtype.c: Don't include coretypes.h or tm.h.
8951 Add comment to inclusion of errors.h.
8952 (note_def_vec, note_def_vec_alloc): New functions.
8953 * gengtype.h: Declare new functions.
8954 * gengtype-lex.l: Don't include coretypes.h.
8955 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
8956 Delete.
8957 (update_lineno): Remove unnecessary prototype.
8958 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
8959 (VEC rule): Just return VEC_TOKEN.
8960 * gengtype-yacc.y (VEC_TOKEN): New token type.
8961 (type): Add a production for VEC(a,b).
8962 * Makefile.in: Update dependencies.
8963
8964 * gengtype-lex.l: Remove rules for parsing pointer-to-function
8965 typedefs that use the old PARAMS macro.
8966
8967 * gengtype-lex.l: Remove all rules and states relating to yacc
8968 input files.
8969 * gengtype-yacc.y: Similarly.
8970 * gengtype.c (note_yacc_type): Delete function.
8971 * gengtype.h: Update prototypes.
8972
8973 2007-03-26 Joseph Myers <joseph@codesourcery.com>
8974
8975 * tree-pretty-print.c (dump_generic_node): Report precision of
8976 unnamed integer types.
8977
8978 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
8979
8980 * ifcvt.c (noce_try_store_flag_constants): Don't check
8981 no_new_pseudos here.
8982 (noce_try_store_flag_constants): Don't check no_new_pseudos.
8983 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
8984 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
8985 noce_try_sign_mask): Likewise.
8986 (if_convert): Check no_new_pseudos here.
8987
8988 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
8989 Remove prototypes.
8990 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
8991 (noce_get_condition): Handle new then_else_reversed argument.
8992 (noce_init_if_info): Remove, fold into noce_find_if_block.
8993 (noce_process_if_block): Take a struct noce_if_info as the
8994 argument. Don't set up one based on ce_if_info. Update pointer
8995 references accordingly.
8996 (cond_move_process_if_block): Likewise.
8997 (process_if_block): Removed.
8998 (find_if_block): Removed. Move functionality two new functions,
8999 noce_find_if_block and cond_exec_find_if_block.
9000 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
9001 blocks and the symmetric IF-ELSE-JOIN case.
9002 (cond_exec_find_if_block): Also new function mostly based on old
9003 find_if_block and process_if_block.
9004 (find_if_header): Replace find_if_block call with separately
9005 guarded calls to noce_find_if_block and cond_exec_find_if_block.
9006 (find_cond_trap): Update noce_get_condition call.
9007 (dead_or_predicable): Likewise.
9008
9009 2007-03-26 Jakub Jelinek <jakub@redhat.com>
9010
9011 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
9012 Remove.
9013 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
9014 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
9015 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
9016 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
9017 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
9018 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
9019 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
9020 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
9021 __builtin_ia32_psrad128 builtins.
9022
9023 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
9024
9025 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
9026 * config/i386/constraints.md
9027 (define_constraint "I"): Use IN_RANGE macro.
9028 (define_constraint "J"): Ditto.
9029 (define_constraint "K"): Ditto.
9030 (define_constraint "M"): Ditto.
9031 (define_constraint "N"): Ditto.
9032 (define_constraint "O"): Ditto.
9033 * config/i386/predicates.md
9034 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
9035 (define_predicate "const_0_to_3_operand"): Ditto.
9036 (define_predicate "const_0_to_7_operand"): Ditto.
9037 (define_predicate "const_0_to_15_operand"): Ditto.
9038 (define_predicate "const_0_to_63_operand"): Ditto.
9039 (define_predicate "const_0_to_255_operand"): Ditto.
9040 (define_predicate "const_1_to_31_operand"): Ditto.
9041 (define_predicate "const_2_to_3_operand"): Ditto.
9042 (define_predicate "const_4_to_7_operand"): Ditto.
9043
9044 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9045
9046 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
9047 in SImode for save_world.
9048 * config/rs6000/altivec.md (save_world, restore_world): Convert to
9049 LR hard reg.
9050
9051 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
9052
9053 PR tree-optimization/30784
9054 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
9055 BIT_FIELD_REF.
9056
9057 2007-03-25 Revital Eres <eres@il.ibm.com>
9058
9059 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
9060 Fold movement_possibility function into it.
9061
9062 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9063
9064 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
9065 (load_macho_picbase_{si,di}): Convert to LR hard reg.
9066 (call_indirect_nonlocal_darwin64): Same.
9067 (call_nonlocal_darwin64): Same.
9068 (call_value_indirect_nonlocal_darwin64): Same.
9069 (call_value_nonlocal_darwin64): Same.
9070 (sibcall_nonlocal_darwin64): Same.
9071 (sibcall_value_nonlocal_darwin64): Same.
9072 (sibcall_symbolic_64): Same.
9073 (sibcall_value_symbolic_64): Same.
9074 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
9075 LR pseudo.
9076 (rs6000_emit_load_toc_table): Same.
9077 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
9078 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
9079 (mull_call): Same.
9080 (divss_call): Same.
9081 (divus_call): Same.
9082 (quoss_call): Same.
9083 (quous_call): Same.
9084 (load_toc_v4_pic_si): Same
9085 (load_toc_v4_PIC_1): Same.
9086 (load_toc_v4_PIC_1b): Same.
9087 (call_indirect_aix{32,64}): Same.
9088 (call_value_indirect_aix{32,64}): Same.
9089 (call): Same.
9090 (call_value): Same.
9091 (call_local{32,64}): Same.
9092 (call_value_local{32,64}): Same.
9093 (call_indirect_nonlocal_aix{32,64}): Same.
9094 (call_nonlocal_aix{32,64}): Same.
9095 (call_value_indirect_nonlocal_aix{32,64}): Same.
9096 (call_value_nonlocal_aix{32,64}): Same.
9097 (call_indirect_nonlocal_sysv<mode>): Same.
9098 (call_nonlocal_sysv<mode>): Same.
9099 (call_value_indirect_nonlocal_sysv<mode>): Same.
9100 (call_value_nonlocal_sysv<mode>): Same.
9101 (sibcall): Same.
9102 (sibcall_local{32,64}): Same.
9103 (sibcall_value_local{32,64}): Same.
9104 (sibcall_nonlocal_aix{32,64}): Same.
9105 (sibcall_value_nonlocal_aix{32,64}): Same.
9106 (sibcall_nonlocal_sysv<mode>): Same.
9107 (sibcall_value): Same.
9108 (sibcall_value_nonlocal_sysv<mode>): Same.
9109
9110 2007-03-24 Paul Brook <paul@codesourcery.com>
9111
9112 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
9113 * config/arm/linux-eabi.h: Remove legacy syscall hack.
9114
9115 2007-03-24 Richard Henderson <rth@redhat.com>
9116
9117 * config/ia64/constraints.md: New file.
9118 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
9119 satisfies_constraint_?.
9120 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
9121 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
9122 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
9123 ia64_output_mi_thunk): Likewise.
9124 (ia64_const_ok_for_letter_p): Remove.
9125 (ia64_const_double_ok_for_letter_p): Remove.
9126 (ia64_extra_constraint): Remove.
9127 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
9128 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
9129 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
9130 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
9131 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
9132 EXTRA_MEMORY_CONSTRAINT): Remove.
9133 * config/ia64/ia64.md: Include constriants.md. Replace
9134 CONST_OK_FOR_? with satisfies_constraint_?.
9135
9136 2007-03-23 Michael Meissner <michael.meissner@amd.com>
9137 H.J. Lu <hongjiu.lu@intel.com>
9138
9139 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
9140 DPD or BID name.
9141 (name macros): Use DPD_BID_NAME to convert names properly.
9142
9143 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
9144 decimal floating point format.
9145 (init_floating_libfuncs): Change decimal functions so that they
9146 have a "bid_" prefix if the decimal system uses the BID format,
9147 and "dpd_" prefix if the decimal system uses the DPD format.
9148 (init_interclass_conv_libfuncs): Ditto.
9149 (init_intraclass_conv_libfuncs): Ditto.
9150
9151 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9152 using the BID format.
9153
9154 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9155 whether we are using the BID decimal format.
9156 * configure: Regenerate.
9157
9158 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9159 the compiler has decimal floating point enabled. Define
9160 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9161 instead of DPD.
9162
9163 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9164 using the BID format.
9165
9166 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9167 whether we are using the BID decimal format.
9168 * configure: Regenerate.
9169
9170 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9171 the compiler has decimal floating point enabled. Define
9172 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9173 instead of DPD.
9174
9175 * doc/install.texi (--enable-decimal-float): Document BID and DPD
9176 options, and that it is enabled for i386/x86_64 systems.
9177
9178 * Makefile.in (enable_decimal_float): New.
9179 (DECNUMFMT): New.
9180 (DECNUMINC): Add -I$(DECNUMFMT).
9181 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
9182 to $(DECNUMFMT) from $(DECNUM).
9183
9184 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
9185 Substitute enable_decimal_float.
9186 * configure: Regenerated.
9187
9188 PR other/30529
9189 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
9190 unsigned long.
9191
9192 * configure.ac: Enable decimal float for x86_64-*-linux*.
9193 * configure: Regenerated.
9194
9195 PR other/30530
9196 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
9197 decimal128ClearSign to flip and clear the sign bit in decimal128.
9198 (decimal_real_maxval): Set decimal128SetSign to set the sign
9199 bit in decimal128.
9200
9201 2007-03-23 Ian Lance Taylor <iant@google.com>
9202
9203 * fold-const.c (fold_binary): Correct warning for X - c >= X.
9204
9205 2007-03-23 Ian Lance Taylor <iant@google.com>
9206
9207 * tree-dump.c (dump_files): Correct comment.
9208
9209 2007-03-23 Ian Lance Taylor <iant@google.com>
9210
9211 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
9212
9213 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
9214
9215 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
9216 in cfglayout mode. Don't go into and out of cfglayout mode.
9217 Link the blocks in the order of the constructed traces.
9218 (rest_of_handle_tracer): Adjust call to tracer.
9219 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
9220 Don't go into cfglayout mode.
9221 (rtl_loop_done): Don't go out of cfglayout mode.
9222 * cfglayout.c (relink_block_chain): New function, split out from...
9223 (fixup_reorder_chain): ...here. Remove redundant checking.
9224 (cfg_layout_finalize): Don't clear the header, footer, and aux
9225 fields here, move the code to do so to relink_block_chain. Likewise
9226 for free_original_copy_tables.
9227 * rtl.h (tracer): Update prototype.
9228 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
9229 Assert we are in cfglayout mode. Don't go into and out of cfglayout
9230 mode. Use relink_block_chain to serialize the CFG according to the
9231 new basic block order. Move targetm.cannot_modify_jumps_p check from
9232 here...
9233 (gate_handle_reorder_blocks): ...to here.
9234 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
9235 from here...
9236 (gate_duplicate_computed_gotos): ...to here.
9237 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
9238 something always changes when going into and out of cfglayout mode.
9239 Perform an expensive cfg cleanup while going into cfglayout mode.
9240 Always update liveness information on HAVE_conditional_execution
9241 targets. Reserialize the basic blocks and go out of cfglayout mode.
9242 * reg-stack.c: Include cfglayout.h.
9243 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
9244 the call to reorder_basic_blocks.
9245 * basic-block.h (reorder_basic_blocks): Update prototype.
9246 (relink_block_chain): New prototype.
9247 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
9248
9249 2007-03-23 Joseph Myers <joseph@codesourcery.com>
9250
9251 * config/mips/mips.md (type, hazard, *movdi_32bit,
9252 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
9253 *movhi_internal, *movqi_internal, *movsf_hardfloat,
9254 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
9255 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
9256 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
9257 applicable.
9258 (movcc): Change first xfer to multi.
9259 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
9260 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
9261 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
9262 config/mips/generic.md: Change reservations using "xfer" to use
9263 "mfc,mtc".
9264 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
9265 using match_operand.
9266 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
9267 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
9268 examining mode.
9269 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
9270
9271 2007-03-22 Richard Henderson <rth@redhat.com>
9272
9273 * config/i386/i386.c: Remove unnecessary function declarations.
9274 Move targetm definition, and all related macros, to the end of
9275 the file. Resort some functions to put definitions before uses.
9276 (ix86_attribute_table): Make static. Move to end of file.
9277 (ix86_gimplify_va_arg): Make static.
9278
9279 2007-03-22 Richard Henderson <rth@redhat.com>
9280
9281 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
9282 don't increase local_regparm with force_align_arg_pointer check.
9283 (ix86_function_sseregparm): Assert 32-bit.
9284 (type_has_variadic_args_p): New.
9285 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
9286 type_has_variadic_args_p.
9287 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
9288 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
9289 use memset instead. Do maybe_vaarg check first; skip attribute
9290 tests if true; skip attribute tests for 64-bit.
9291 (construct_container): Remove TARGET_DEBUG_ARG.
9292 (function_arg_advance_32, function_arg_advance_64): Split out ...
9293 (function_arg_advance): ... from here.
9294 (function_arg_32, function_arg_64): Split out ...
9295 (function_arg): ... from here.
9296 (ix86_pass_by_reference): Tidy.
9297 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
9298 (function_value_32): New, from parts of ix86_function_value
9299 and ix86_value_regno.
9300 (function_value_64): New, from parts of ix86_function_value
9301 and ix86_libcall_value.
9302 (ix86_function_value_1): New.
9303 (ix86_function_value, ix86_libcall_value): Use it.
9304 (return_in_memory_32, return_in_memory_64): Split out ...
9305 (ix86_return_in_memory): ... from here.
9306 (ix86_struct_value_rtx): Skip for 64-bit.
9307 (ix86_libcall_value, ix86_value_regno): Remove.
9308 (setup_incoming_varargs_64): Split out ...
9309 (ix86_setup_incoming_varargs): ... from here.
9310 (ix86_va_start): Remove TARGET_DEBUG_ARG.
9311 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
9312 * config/i386/i386-protos.h (ix86_function_value): Remove.
9313 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
9314
9315 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9316
9317 PR other/23572
9318 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
9319 infinities not supported, otherwise emit warning if -Woverflow. On
9320 underflow, emit warning if -Woverflow.
9321 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
9322 and 0 otherwise.
9323 * real.h (real_from_string): Update declaration
9324
9325 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
9326 Richard Henderson <rth@redhat.com>
9327
9328 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
9329 * calls.c (compute_argument_block_size, expand_call,
9330 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
9331 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
9332 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
9333 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
9334 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
9335 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
9336 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
9337 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
9338 Set to 1.
9339
9340 2007-03-22 Joseph Myers <joseph@codesourcery.com>
9341
9342 * c-incpath.c (add_sysroot_to_chain): New.
9343 (merge_include_chains): Add sysroot argument. Call
9344 add_sysroot_to_chain if sysrooted.
9345 (register_include_chains): Update call to merge_include_chains.
9346 * doc/cppopts.texi: Document use of '=' in include directory
9347 arguments.
9348
9349 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
9350
9351 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
9352 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
9353 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
9354 insn pattern using X87MODEF12 mode macro.
9355
9356 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
9357
9358 * regmove.c (regmove_optimize): Use reg_mentioned_p
9359 instead of reg_overlap_mentioned_p for DST.
9360
9361 2007-03-21 Mike Stump <mrs@apple.com>
9362
9363 * c.opt: Fixup for Objective-C/C++.
9364
9365 2007-03-21 Steve Ellcey <sje@cup.hp.com>
9366
9367 * explow.c (convert_memory_address): Fold memory reference when
9368 POINTERS_EXTEND_UNSIGNED < 0
9369
9370 2007-03-21 Richard Henderson <rth@redhat.com>
9371
9372 PR target/31245
9373 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
9374 * config/i386/mmintrin.h (__m64): Likewise.
9375 * config/i386/xmmintrin.h (__m128): Likewise.
9376
9377 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9378
9379 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
9380 (VXWORKS_OS_CPP_BUILTINS): Define.
9381 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
9382 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
9383
9384 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9385
9386 * rtl.h (constant_pool_reference_p): Delete.
9387 (find_constant_src): Declare.
9388 * rtlanal.c (find_constant_src): New function.
9389 * simplify-rtx.c (constant_pool_reference_p): Delete.
9390 * config/i386/i386.md: Use find_constant_src instead of
9391 constant_pool_reference_p/avoid_constant_pool_reference pairs.
9392
9393 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9394
9395 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
9396 * c-cppbuiltin.c (c_cpp_builtins): Define them.
9397
9398 2007-03-20 Mark Mitchell <mark@codesourcery.com>
9399
9400 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
9401 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
9402 (arm_elf_asm_constructor): Use it.
9403 (arm_elf_asm_destructor): New function.
9404
9405 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
9406
9407 * jump.c (mark_jump_label): Treat SEQUENCE specially.
9408
9409 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
9410
9411 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
9412
9413 2007-03-19 Andrew Haley <aph@redhat.com>
9414
9415 PR tree-optimization/31264
9416 * tree-vrp.c (register_edge_assert_for_1): Don't look though
9417 VIEW_CONVERT_EXPRs.
9418
9419 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
9420
9421 PR rtl-optimization/30907
9422 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
9423 (fwprop_init): Always call loop_optimizer_initialize.
9424 (fwprop_done): Always call loop_optimizer_finalize.
9425 (fwprop): We always have loop info now.
9426 (gate_fwprop_addr): Remove.
9427 (pass_fwprop_addr): Use gate_fwprop as gate.
9428
9429 PR rtl-optimization/30841
9430 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
9431 df_chain_alloc): Call df_reorganize_refs unconditionally.
9432 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
9433 refs_organized to refs_organized_size.
9434 (df_ref_create_structure): Use refs_organized_size instead of
9435 bitmap_size if refs had been organized, and keep refs_organized_size
9436 up-to-date.
9437 * df.h (struct df_ref_info): Change refs_organized to
9438 refs_organized_size.
9439 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
9440 bitmap_size.
9441
9442 2007-03-19 Mark Mitchell <mark@codesourcery.com>
9443
9444 * except.c (output_function_exception_table): Do not reference the
9445 EH personality routine for functions that do not require an
9446 exception table.
9447
9448 2007-03-20 Jakub Jelinek <jakub@redhat.com>
9449
9450 PR c/30762
9451 * c-typeck.c (convert_for_assignment): Call comptypes for
9452 RECORD_TYPE or UNION_TYPE.
9453
9454 PR inline-asm/30505
9455 * reload1.c (reload): Do invalid ASM checking after
9456 cleanup_subreg_operands.
9457
9458 2007-03-19 Jeff Law <law@redhat.com>
9459
9460 * tree-cfg.c (find_taken_edge): Tighten conditions for
9461 optimizing computed gotos.
9462
9463 2007-03-19 Michael Matz <matz@suse.de>
9464
9465 * builtins.c (expand_builtin_sync_operation,
9466 expand_builtin_compare_and_swap,
9467 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
9468 correctly.
9469
9470 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
9471 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
9472 for operand 3.
9473
9474 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9475
9476 * doc/tm.texi: Add brackets around the return type of
9477 TARGET_SECONDARY_RELOAD.
9478
9479 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
9480 Richard Guenther <rguenther@suse.de>
9481
9482 PR tree-optimization/31254
9483 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9484 Use handled_component_p () where appropriate. Continue
9485 propagating into the rhs if we propagated into an INDIRECT_REF
9486 on the lhs.
9487
9488 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9489
9490 * config/s390/s390.md (op_type attribute): RRR instruction type added.
9491 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
9492 (xde, xdee): Mode attributes adjusted to support DFP modes.
9493 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
9494 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
9495 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
9496 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
9497 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
9498 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9499 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
9500 numbers.
9501 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
9502 "movsf"): Insn definitions removed.
9503 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
9504 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
9505 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
9506 definitions added.
9507 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
9508 "reload_in<mode>", "reload_out<mode>"): Expander added.
9509 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
9510 Expander removed.
9511
9512 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9513
9514 * config/s390/s390.md: Only non-functional changes. Renamed
9515 FPR mode macro to BFP all over the file.
9516
9517 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9518
9519 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
9520 (op_type attribute): RRF instruction type added.
9521 (fT0): New mode attribute.
9522 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9523 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
9524 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
9525 no secondary memory is needed when moving DFmode values between GPRs
9526 and FPRs.
9527
9528 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9529
9530 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
9531 inverted and documentation adjusted.
9532 ("mhard-dfp", "msoft-dfp"): New options.
9533 * config/s390/s390.c (s390_handle_arch_option): New architecture
9534 switch: z9-ec.
9535 (override_options): Sanity checks for the new options added.
9536 * config.gcc: New architecture switch: z9-ec.
9537 * config/s390/s390.h (processor_flags): PF_DFP added.
9538 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
9539 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
9540 when the bit is NOT set so remove it from the defaults.
9541
9542 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9543
9544 * genemit.c (main): Print include statement for dfp.h.
9545 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
9546 is not available.
9547
9548 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9549
9550 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
9551
9552 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
9553
9554 PR target/31022
9555 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
9556 instead of PATTERN.
9557
9558 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9559
9560 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
9561 attr_length_call, output_call, output_indirect_call): Cleanup
9562 formatting of targetm calls.
9563
9564 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
9565
9566 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
9567
9568 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9569
9570 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
9571 reservation, bypass and anti-bypass descriptions for these instructions.
9572 Update move patterns.
9573 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
9574 TYPE_FPSTORE.
9575
9576 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
9577
9578 * tree-vect-transform.c (get_initial_def_for_induction): Replace
9579 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
9580 (get_initial_def_for_reduction): Likewise.
9581
9582 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
9583
9584 Fix PR tree-optimization/29922
9585 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
9586 (get_representative): Removed.
9587 (value_dies_in_block_x): Update for rvuse removal.
9588 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
9589 (compute_antic_aux): Handle when PHI nodes appear in
9590 non-single-successors.
9591 (dump_bitmap_of_names): Removed.
9592 (compute_antic_safe): Renamed and removed rvuse calculation.
9593 Calculate only antic safe.
9594 (insert_into_preds_of_block): Remove assert.
9595 (execute_pre): Update for renamed functions.
9596 (defer_or_phi_translate_block): New function.
9597
9598 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9599
9600 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
9601 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
9602 typos.
9603 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
9604 Follow spelling conventions.
9605
9606 * tree-data-ref.h: Remove the prototype for analyze_array.
9607
9608 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
9609
9610 PR tree-optimization/31041
9611 * tree-vect-transform.c (get_initial_def_for_induction): Call
9612 force_gimple_operand.
9613
9614 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
9615
9616 * ipa-type-escape.c (look_for_casts) : Revert code to use
9617 handled_component_p due to ada test a-numaux.adb.
9618
9619 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
9620
9621 * final.c (final_scan_insn): Alter the condition of a
9622 conditional trap if we have nonstandard CC.
9623
9624 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9625
9626 * configure.ac: Remove excess quoting from asm line 0 test.
9627 * configure: Rebuilt.
9628
9629 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9630
9631 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
9632 * c-common.c (convert_and_check): Move warning logic to...
9633 (warnings_for_convert_and_check): ...here. Define.
9634 * c-common.h (warnings_for_convert_and_check): Declare.
9635
9636 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9637
9638 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
9639 (output_call): Likewise.
9640
9641 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9642
9643 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
9644
9645 2007-03-16 Richard Sandiford <richard@codesourcery.com>
9646
9647 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
9648
9649 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
9650
9651 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
9652 opteron, athlon-64 and athlon-fx processor_alias_table entries.
9653
9654 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
9655
9656 PR tree-optimization/31183
9657 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
9658 Use double_int instead of unsigned int for representing access_strides.
9659 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
9660
9661 2007-03-16 Richard Guenther <rguenther@suse.de>
9662
9663 PR tree-optimization/31146
9664 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
9665 to allow recursion of forward_propagate_addr_expr.
9666 (forward_propagate_addr_into_variable_array_index): Likewise.
9667 (forward_propagate_addr_expr): Likewise.
9668 (tree_ssa_forward_propagate_single_use_vars): Likewise.
9669 (forward_propagate_addr_expr_1): Recurse on simple copies
9670 instead of propagating into them. Do so for useless conversions
9671 as well.
9672 (forward_propagate_addr_expr): Clean up unused statements after
9673 recursion.
9674
9675 2007-03-16 Richard Guenther <rguenther@suse.de>
9676
9677 * builtins.c (expand_builtin_cexpi): Use the right argument
9678 for the expansion via cexp.
9679
9680 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9681
9682 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
9683 * configure: Rebuilt.
9684
9685 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
9686
9687 PR debug/29906
9688 * dwarf2out.c (force_type_die): Adjust comment.
9689 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
9690
9691 2007-03-15 DJ Delorie <dj@redhat.com>
9692
9693 * config/frv/predicates.md (minmax_operator): Don't check operands
9694 here.
9695
9696 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9697
9698 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
9699 Update constant estimates of number of iterations.
9700 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
9701 argument renamed to "realistic".
9702 (compute_estimated_nb_iterations): Removed.
9703 (record_niter_bound): New function.
9704 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
9705 call record_nonwrapping_iv with upper = false.
9706 (infer_loop_bounds_from_signedness): Pass upper argument to
9707 record_nonwrapping_iv.
9708 (estimate_numbers_of_iterations_loop): Do not call
9709 compute_estimated_nb_iterations. Record estimate based on profile
9710 information. Initialize the constant estimates of number of
9711 iterations.
9712 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
9713 estimates.
9714 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
9715 number of iterations is too small.
9716 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
9717 (EST_NOT_AVAILABLE): Removed.
9718 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
9719 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
9720 fields.
9721
9722 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9723
9724 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
9725 Handle NE_EXPR guards.
9726
9727 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9728
9729 PR c++/24924
9730 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
9731 Set also -pedantic-errors by default for the preprocessor unless
9732 -fpermissive is given.
9733
9734 2007-03-15 Richard Guenther <rguenther@suse.de>
9735
9736 PR middle-end/29719
9737 PR middle-end/31161
9738 * builtins.c (expand_builtin_cexpi): As a fallback if we
9739 don't have builtins for sincos or cexp create a function
9740 declaration for cexp and expand to a call to that.
9741 (expand_builtin_int_roundingfn): Always fall
9742 back to floor/ceil and its variants even if they may be
9743 not available.
9744
9745 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
9746
9747 PR middle-end/31159
9748 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
9749 jump tables, move the call to delete_dead_jumptables from here...
9750 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
9751 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
9752 don't allow merging of blocks that try_redirect_by_replacing_jump
9753 also does not handle when not optimizing.
9754
9755 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9756 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9757
9758 * config/i386/i386.md (x86_sahf_1): Correctly handle
9759 HAVE_AS_IX86_SAHF.
9760
9761 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
9762
9763 PR target/31167
9764 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
9765 x86_64_general_operand as operand[2] predicate. Remove "iF"
9766 from operand constraints and use "e" constraint instead.
9767 (*subti3_1, *subti3_1 splitter): Ditto.
9768 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
9769 operand[1] predicate.
9770
9771 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
9772
9773 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
9774 arrays, multiply the access strides by the size of the sub-array.
9775 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
9776
9777 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9778
9779 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
9780 the configured assembler supports the sahf mnemonic.
9781 * configure: Regenerate.
9782 * config.in: Regenerate.
9783
9784 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
9785 emit "sahf" or ".byte\t0x9e" as asm template.
9786
9787 2007-03-14 Michael Meissner <michael.meissner@amd.com>
9788
9789 PR 31018
9790 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
9791 option to replace hard coded TARGET_xxx in md file.
9792 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
9793 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9794 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
9795 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
9796 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
9797 (X86_TUNE_NOT_VECTORMODE): Ditto.
9798 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
9799 (TUNE_AVOID_VECTOR_DECODE): Ditto.
9800 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
9801 (TUNE_SLOW_IMUL_IMM8): Ditto.
9802 (TUNE_MOVE_M1_VIA_OR): Ditto.
9803 (TUNE_NOT_UNPAIRABLE): Ditto.
9804 (TUNE_NOT_VECTORMODE): Ditto.
9805
9806 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
9807 options.
9808
9809 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
9810 tuning options instead of hard coded TARGET_xxx.
9811 (fix ssemode peephole2's): Ditto.
9812 (imul peephole2's): Ditto.
9813 (movsi_or): Ditto.
9814 (movdi_or_rex64): Ditto.
9815 (move peephole2): Ditto.
9816 (not peephole2's): Ditto.
9817
9818 2007-03-14 Dirk Mueller <dmueller@suse.de>
9819
9820 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
9821 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
9822 * c-parser.c (c_parser_if_body): Always add an empty statement in case
9823 of empty body.
9824 * c-parser.c (c_parser_do_statement): Warn about empty body in
9825 do/while statement.
9826 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
9827 * doc/invoke.texi (-Wempty-body): Update documentation.
9828
9829 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9830
9831 PR c/21438
9832 * c-common.h (warn_for_div_by_zero): Declare.
9833 * c-common.c (warn_for_div_by_zero): Define.
9834 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
9835 warning.
9836
9837 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9838
9839 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
9840 to PREFIX and STANDARD_PREFIX.
9841
9842 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9843 Phil Edwards <phil@codesourcery.com>
9844
9845 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
9846 (__gthread_once_t): Remove busy field for RTPs.
9847 (__GTHREAD_ONCE_INIT): Update accordingly.
9848
9849 2007-03-14 Richard Sandiford <richard@codesourcery.com>
9850
9851 * doc/invoke.texi: Document VxWorks options.
9852
9853 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
9854
9855 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
9856
9857 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
9858
9859 PR tree-optimization/30590
9860 * tree-nrv.c (tree_nrv): Check for the partial update of the
9861 return value.
9862
9863 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
9864
9865 * flags.h (flag_random_seed): Remove declaration, in favor of...
9866 * toplev.h (get_random_seed, set_random_seed): ... these.
9867 * tree.c (get_file_function_name): Use the former.
9868 * opts.c (common_handle_option): Use the latter.
9869 * toplev.c
9870
9871 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
9872
9873 PR middle-end/31127
9874 * cse.c (cse_find_path): Do not bail out if a basic block that
9875 we already visited now becomes part of a path that starts at a
9876 different basic block. Just disallow this, to make sure we
9877 visit each basic block at most once.
9878
9879 2007-03-13 Jan Hubicka <jh@suse.cz>
9880
9881 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
9882 when profile esitmate is present, calls with very low frequency are
9883 cold.
9884
9885 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9886
9887 PR tree-optimization/30730
9888 PR tree-optimization/26900
9889 * tree-ssa-loop-niter.c: Include gmp.h.
9890 (bounds): New type.
9891 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
9892 split_to_var_and_offset, determine_value_range,
9893 bound_difference_of_offsetted_base, refine_bounds_using_guard,
9894 bound_difference, bounds_add, bounds_negate,
9895 number_of_iterations_ne_max, dump_affine_iv): New functions.
9896 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9897 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
9898 difference of initial and final value of control iv to validate
9899 results.
9900 (number_of_iterations_cond): Add loop parameter. Determine bounds
9901 on the difference of the extremes of the control iv. Add dumps.
9902 (expand_simple_operations): Handle phi nodes.
9903 (simplify_using_initial_conditions): Do not record used conditions.
9904 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
9905 Do not set additional_info.
9906 (implies_nonnegative_p, implies_ge_p): Removed.
9907 (derive_constant_upper_bound): Do not use parameter `additional'.
9908 (record_estimate): Parameter `additional' removed. Parameter
9909 `i_bound' added. Do not call derive_constant_upper_bound.
9910 (record_nonwrapping_iv): Use derive_constant_upper_bound to
9911 bound the number of iterations estimate.
9912 (estimate_numbers_of_iterations_loop): Pass the estimate from
9913 the number of iterations analysis to record_estimate.
9914 * tree.h (multiple_of_p): Declare.
9915 * tree-scalar-evolution.c (expression_expensive_p): Removed.
9916 (scev_const_prop): Do not check expression_expensive_p.
9917 * fold-const.c (multiple_of_p): Exported.
9918 * double-int.c (double_int_mask): Exported.
9919 * double-int.h (double_int_mask): Declare.
9920 * tree-flow.h (struct tree_niter_desc): Removed additional_info
9921 field. Added max field.
9922
9923 2007-03-13 David Taylor <taylor@candd.org>
9924
9925 PR driver/12448:
9926 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
9927 default -MQ.
9928
9929 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9930
9931 PR target/31123
9932 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
9933 two unamed patterns.
9934
9935 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
9936
9937 * config/i386/i386.opt (mcx16, msahf): New options.
9938 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
9939 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
9940
9941 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
9942 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
9943 Output -mcx16 and -msahf options when corresponding bit is set.
9944
9945 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
9946 and -msahf options.
9947
9948 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
9949
9950 * configure.ac: Test for assembler tolerance to # 0 "".
9951 * configure, config.in: Rebuilt.
9952 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
9953
9954 2007-03-13 Geoffrey Keating <geoffk@apple.com>
9955
9956 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
9957
9958 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
9959 (handle_syscall): Handle direct system calls.
9960 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
9961
9962 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
9963
9964 * doc/invoke.texi: Fix cpp.info cross-reference.
9965 * doc/passes.texi: Fix gcc.info cross-reference.
9966
9967 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
9968
9969 PR tree-optimization/30835
9970 * lambda-code.c (can_convert_to_perfect_nest): Check whether
9971 bb_for_stmt is not NULL before accessing it.
9972
9973 2007-03-12 Joseph Myers <joseph@codesourcery.com>
9974
9975 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
9976 some multilibs.
9977
9978 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
9979
9980 PR 30635
9981 * doc/install.texi: Document --enable-stage1-languages
9982
9983 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
9984
9985 * tree-pass.h (pass_into_cfg_layout_mode,
9986 pass_outof_cfg_layout_mode): Declare.
9987 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
9988 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
9989 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
9990 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
9991
9992 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
9993
9994 * c-decl.c (warn_variable_length_array): New function.
9995 Refactored from grokdeclarator to handle warn_vla
9996 and handle unnamed array case.
9997 (grokdeclarator): Refactored VLA warning case.
9998 * c.opt (Wvla): New flag.
9999 * doc/invoke.texi (Wvla): New warning.
10000
10001 2007-03-12 Richard Henderson <rth@redhat.com>
10002
10003 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
10004 (TARGET_SECTION_TYPE_FLAGS): New.
10005
10006 2007-03-12 Richard Henderson <rth@redhat.com>
10007
10008 * config/darwin.c (machopic_reloc_rw_mask): New.
10009 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10010 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
10011
10012 2007-03-12 Mark Mitchell <mark@codesourcery.com>
10013
10014 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
10015 * cppdefault.h (cpp_PREFIX): Document.
10016 (cpp_PREFIX_len): Likewise.
10017 (cpp_EXEC_PREFIX): New variable.
10018 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
10019 * c-incpath.c (add_standard_paths): Correct logic for relocating
10020 paths within prefix.
10021
10022 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
10023
10024 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
10025 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
10026 mode macro.
10027 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
10028 fix_truncdfdi_sse using SSEMODEF mode macro.
10029 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
10030 fix_truncdfsi_sse using SSEMODEF mode macro.
10031 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
10032 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
10033
10034 2007-03-12 Richard Sandiford <richard@codesourcery.com>
10035
10036 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
10037 elfos.h to tm_file.
10038
10039 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
10040
10041 * tree.h : Add multiple_of_p declaration.
10042 * fold-const.c (multiple_of_p): Make multiple_of_p public.
10043 * ipa-type-escape.c (results_of_malloc): Redundant.
10044 (visited_stmts): New. Visited stmt for walk_use_def_chains.
10045 (cast_type): Extended with new members.
10046 (check_cast): Returns cast_type.
10047 (cast): New structure for data of walk_use_def_chains.
10048 (is_malloc_result, is_cast_from_non_pointer_1,
10049 is_cast_from_non_pointer,
10050 is_array_access_through_pointer_and_index): New functions.
10051 (look_for_casts): Returns cast types.
10052 (check_call): Returns void.
10053 (okay_pointer_operation): Use support of pointer plus index,
10054 pointer plus constant and allow all multiplications.
10055
10056 2007-03-11 Richard Guenther <rguenther@suse.de>
10057
10058 PR tree-optimization/31115
10059 * tree-vrp.c (extract_range_from_binary_expr): Make sure
10060 the shift count is positive and non-anti-range for RSHIFT_EXPR.
10061 A shift count of zero is not special as with *_DIV_EXPR.
10062 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
10063 direction.
10064
10065 2007-03-11 Ian Lance Taylor <iant@google.com>
10066
10067 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
10068 the *_DIV_EXPR codes correctly with overflow infinities.
10069
10070 2007-03-11 Ira Rosen <irar@il.ibm.com>
10071
10072 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
10073 indicate success/failure of the analysis. Add negation to subtrahend
10074 in case of subtraction. Fail if both operands contain constants.
10075 (create_data_ref): Fail if analyze_offset fails.
10076
10077 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
10078
10079 * config/i386/i386.md (frndintxf2): Rename to ...
10080 (rintxf2): ... this. Remove expander having same name.
10081 (rintsf2, rintdf2): Implement using SSEMODEF macro.
10082 (roundsf2, rounddf2): Ditto.
10083 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
10084 (lround<mode>di2, lround<mode>si2): Ditto.
10085
10086 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
10087
10088 * lower-subreg.c: Include except.h.
10089 (decompose_multiword_subregs): Verify that the only control flow
10090 insns we can split are loads to multi-words pseudos.
10091 Handle breaking such blocks after splitting, instead of calling
10092 find_many_sub_basic_blocks.
10093
10094 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
10095 on the new basic block. Add a lengthy comment explaining why we
10096 thought this was necessary.
10097 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
10098
10099 2007-03-10 Mark Mitchell <mark@codesourcery.com>
10100
10101 PR c++/30924
10102 * tree.c (walk_type_fields): Recurse into the element type of
10103 ARRAY_TYPEs if there is a pointer set.
10104
10105 2007-03-10 Dirk Mueller <dmueller@suse.de>
10106
10107 * c-common.c (warn_logical_operator): Fix condition.
10108
10109 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
10110
10111 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
10112 quotation mark.
10113 * config/darwin.c (machopic_select_section): Remove superfluous
10114 argument in call to categorize_decl_for_section. Remove unused
10115 variable shlib.
10116
10117 2007-03-10 Joseph Myers <joseph@codesourcery.com>
10118
10119 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
10120 defined.
10121 * configure: Regenerate.
10122
10123 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
10124
10125 PR target/31101
10126 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
10127 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
10128 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
10129 Add LABEL_NUSES to emitted label.
10130 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
10131 branch probability value to emitted jump insn.
10132 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
10133 Do not check life information and do not re-arrange input operands
10134 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
10135
10136 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10137
10138 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
10139 the change of decode_asm_operands.
10140
10141 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10142
10143 * mode-switching.c (create_pre_exit): Skip blockage insn.
10144
10145 2007-03-09 Diego Novillo <dnovillo@redhat.com>
10146
10147 * tree-pass.h (TODO_update_smt_usage): Remove.
10148 Update all users.
10149 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
10150 argument SOME.
10151 Update all users.
10152
10153 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10154
10155 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
10156 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
10157 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
10158 SOM target.
10159
10160 2007-03-09 Geoffrey Keating <geoffk@apple.com>
10161
10162 * gcc.c: Document %{, in big comment at top.
10163 (input_suffix_matches): Remove special handling for .s and
10164 .S.
10165 (input_spec_matches): New.
10166 (handle_braces): Handle %{,.
10167 (validate_switches): ',' indicates a value which is not a switch.
10168 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
10169 to detect assembler input.
10170 * config/i386/sol2.h (CPP_SPEC): Likewise.
10171 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
10172 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
10173 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
10174 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
10175 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
10176 -m64 causes deployment target to default to 10.5.
10177 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10178
10179 2007-03-09 Richard Henderson <rth@redhat.com>
10180
10181 PR target/26090
10182 * target.h (targetm.asm.out.reloc_rw_mask): New.
10183 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
10184 (TARGET_ASM_OUT): Use it.
10185 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
10186 * varasm.c (categorize_decl_for_section): Remove shlib argument;
10187 use the new reloc_rw_mask target hook instead.
10188 (default_section_type_flags_1): Merge into...
10189 (default_section_type_flags): ... here.
10190 (decl_readonly_section_1): Merge into...
10191 (decl_readonly_section): ... here.
10192 (default_elf_select_section_1): Merge into...
10193 (default_elf_select_section): ... here.
10194 (default_unique_section_1): Merge into...
10195 (default_unique_section): ... here.
10196 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
10197 (default_select_rtx_section): Use it.
10198 (default_elf_select_rtx_section): Likewise.
10199 * output.h: Update to match.
10200 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
10201 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
10202 (TARGET_ASM_RELOC_RW_MASK): New.
10203 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
10204 to categorize_decl_for_section.
10205 (x86_64_elf_unique_section): Likewise.
10206 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
10207 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
10208 (TARGET_ASM_RELOC_RW_MASK): New.
10209 * config/ia64/ia64.c (ia64_rwreloc_select_section,
10210 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
10211 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
10212 (TARGET_RWRELOC): Remove.
10213 (ia64_section_type_flags): Adjust call to default_section_type_flags.
10214 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10215 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
10216 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
10217 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
10218 (rs6000_xcoff_select_section): Use decl_readonly_section.
10219 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
10220 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10221 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
10222 (TARGET_SECTION_TYPE_FLAGS): Remove.
10223 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
10224
10225 2007-03-09 Roger Sayle <roger@eyesopen.com>
10226
10227 * fold-const.c (fold_comparison): Remove compile-time evaluation of
10228 complex constant equality/inequality comparisons for here.
10229 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
10230 known at compile-time or can be simplified to a scalar comparison.
10231 (fold_relational_const): Move compile-time evaluation of complex
10232 constant equality/inequality comparisons to here.
10233
10234 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10235
10236 PR rtl-optimization/30643
10237 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
10238 dest_addr_elt.
10239 (fold_rtx): Recurse, like before 2006-11-03.
10240
10241 2007-03-09 DJ Delorie <dj@redhat.com>
10242
10243 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
10244 m32c-pragma.o.
10245
10246 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
10247
10248 PR tree-optimization/30375
10249 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
10250 LHS of statements is not the same.
10251 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
10252
10253 2007-03-09 Chao-ying Fu <fu@mips.com>
10254
10255 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
10256 REV 2.
10257 * doc/invoke.texi (-mdspr2): Document new option.
10258 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
10259 New unspec for DSP REV 2.
10260 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
10261 these instructions are extended in DSP REV 2.
10262 (mips-dspr2.md): Include.
10263 * config/mips/mips.opt (mdspr2): New option.
10264 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
10265 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
10266 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
10267 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
10268 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
10269 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
10270 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
10271 and 2 builtins.
10272 (bdesc_map): Add one field of unsupported_target_flags.
10273 (bdesc_arrays): Update entries to have extra fields. Add
10274 dsp_32only_bdesc.
10275 (mips_init_builtins): Initialize new function types.
10276 Check unsupported_target_fileds to filter out builtins.
10277 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
10278 TARGET_DSPR2.
10279 (ASM_SPEC): Pass mdspr2 to the assembler.
10280 * config/mips/mips-dspr2.md: New file.
10281
10282 2007-03-09 Sa Liu <saliu@de.ibm.com>
10283
10284 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
10285
10286 2007-03-09 Ian Lance Taylor <iant@google.com>
10287
10288 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
10289 argument) like -Wstrict-overflow=2.
10290 * doc/invoke.texi (Warning Options): Update documentation.
10291
10292 2007-03-09 Dirk Mueller <dmueller@suse.de>
10293
10294 PR c++/17946
10295 * doc/invoke.texi (-Wlogical-op): Document.
10296 * common.opt (-Wlogical-op): New.
10297 * c-common.h (warn_logical_operator): Declare.
10298 * c-common.c (warn_logical_operator): Define.
10299 * c-typeck.c (parser_build_binary_op): Call
10300 warn_logical_operator.
10301
10302 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10303
10304 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
10305 * final.c (final_scan_insn): Test for non-"" file name.
10306
10307 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
10308
10309 * doc/loop.texi: Document the Omega linear constraints solver.
10310 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
10311 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
10312 omega-hash-table-size, omega-max-keys, and
10313 omega-eliminate-redundant-constraints.
10314 * tree-pass.h (pass_check_data_deps): Declared.
10315 * omega.c: New.
10316 * omega.h: New.
10317 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
10318 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
10319 pass_check_data_deps): New.
10320 * tree-data-ref.c (init_data_ref): Remove declaration.
10321 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
10322 (analyze_array): Renamed init_array_ref, move up initializations.
10323 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
10324 Removed arguments that are set to NULL.
10325 (analyze_indirect_ref): Correct indentation, correct call to
10326 init_pointer_ref.
10327 (object_analysis): Call init_array_ref instead of analyze_array.
10328 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
10329 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
10330 of DR_ACCESS_FNS_ADDR.
10331 (init_omega_eq_with_af, omega_extract_distance_vectors,
10332 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
10333 ddr_consistent_p): New.
10334 (compute_affine_dependence): Check consistency of ddrs when
10335 flag_check_data_deps is passed.
10336 (analyze_all_data_dependences): Uncomment.
10337 (tree_check_data_deps): New.
10338 * tree-data-ref.h: Include omega.h.
10339 (DR_ACCESS_FNS_ADDR): Removed.
10340 (data_dependence_relation): Add inner_loop.
10341 (DDR_INNER_LOOP): New.
10342 * common.opt (fcheck-data-deps): New.
10343 * tree-flow.h (tree_check_data_deps): Declare.
10344 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
10345 (OBJS-common): Depend on omega.o.
10346 (omega.o): Define.
10347 * passes.c (pass_check_data_deps): Scheduled.
10348 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
10349 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
10350 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
10351 PARAM_VECT_MAX_VERSION_CHECKS,
10352 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
10353
10354 2007-03-09 Richard Guenther <rguenther@suse.de>
10355
10356 PR tree-optimization/30904
10357 PR middle-end/31058
10358 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
10359 the same way as *_DIV_EXPR.
10360
10361 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10362
10363 * recog.c (decode_asm_operands): No mixed declarations and code.
10364
10365 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10366
10367 * rtl.def (ASM_INPUT): Add location.
10368 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
10369 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
10370 (decode_asm_operands): Add loc operand.
10371 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
10372 * stmt.c (expand_asm): Rename to...
10373 (expand_asm_loc): ... this. Add locus argument. Pass it on to
10374 gen_rtx_ASM_INPUT_loc.
10375 (expand_asm_expr): Adjust.
10376 * recog.c (decode_asm_operands): Add loc operand.
10377 (check_asm_operands, extract_insn): Adjust.
10378 * reload1.c (maybe_fix_stack_asms): Likewise.
10379 * final.c (asm_insn_count): Likewise.
10380 (final_scan_insn): Output # line before and after asm.
10381
10382 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
10383
10384 * tree-ssa-structalias.c (variable_info): Remove
10385 finished_solution.
10386 (new_var_info): Ditto.
10387 (shared_bitmap_info_t): New structure.
10388 (shared_bitmap_table): New variable.
10389 (shared_bitmap_hash): New function.
10390 (shared_bitmap_eq): Ditto
10391 (shared_bitmap_lookup): Ditto.
10392 (shared_bitmap_add): Ditto.
10393 (merge_smts_into): Change to take bitmap directly.
10394 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
10395 (init_alias_vars): Init shared bitmap hashtable.
10396 (delete_points_to_sets): Delete shared bitmap hashtable.
10397 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
10398 is_aliased removal as a change that was still necessary was
10399 deleted.
10400
10401 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
10402
10403 * config/i386/i386.h (override_options): Conditionally disable
10404 x86_sahf for 64bit targets only.
10405
10406 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
10407
10408 PR C/31072
10409 * c-decl.c (merge_decls): Don't call make_var_volatile.
10410 * varasm.c (make_var_volatile): Remove.
10411 * output.h (make_var_volatile): Remove.
10412
10413 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
10414
10415 PR tree-optimization/31085
10416 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
10417
10418 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10419
10420 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
10421 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
10422 ATTR_CONST_NOTHROW_LIST.
10423
10424 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
10425 FIX_TRUNC_EXPR.
10426
10427 2007-03-08 Diego Novillo <dnovillo@redhat.com>
10428
10429 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
10430
10431 2007-03-08 Geoffrey Keating <geoffk@apple.com>
10432
10433 PR 31013
10434 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
10435 is declared.
10436 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
10437 passed, use shared libgcc.
10438
10439 2007-03-08 Roger Sayle <roger@eyesopen.com>
10440
10441 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
10442 instead of calling build2 with a GIMPLE_MODIFY_STMT.
10443 (honor_protect_cleanup_actions, lower_try_finally_switch):
10444 Likewise.
10445 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
10446 ifc_temp_var): Likewise.
10447 * tree-inline.c (setup_one_parameter): Likewise.
10448 * tree-mudflap.c (mf_decl_cache_locals,
10449 mf_build_check_statement_for): Likewise.
10450 * tree-nested.c (init_tmp_var, save_tmp_var,
10451 finalize_nesting_tree_1): Likewise.
10452 * tree-outof-ssa.c (insert_copy_on_edge,
10453 insert_backedge_copies): Likewise.
10454 * tree-profile.c (tree_gen_edge_profiler,
10455 tree_gen_ic_profiler): Likewise.
10456 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10457 * tree-sra.c (sra_build_assignment): Likewise.
10458 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
10459 * tree-ssa-math-opts.c (insert_reciprocals,
10460 execute_cse_sincos_1): Likewise.
10461 * tree-tailcall.c (adjust_accumulator_values,
10462 adjust_return_value): Likewise.
10463 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
10464 * tree-vect-transform.c (vect_create_data_ref_ptr,
10465 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
10466 vect_create_epilog_for_reduction, vectorizable_reduction,
10467 vectorizable_call, vectorizable_conversion,
10468 vectorizable_assignment, vectorizable_operation,
10469 vectorizable_type_demotion, vect_gen_widened_results_half,
10470 vect_permute_store_chain, vectorizable_store,
10471 vect_setup_realignment, vect_permute_load_chain,
10472 vectorizable_load, vectorizable_condition,
10473 vect_create_cond_for_align_checks): Likewise.
10474 * tree-vrp.c (build_assert_expr_for): Likewise.
10475
10476 2007-03-08 Ian Lance Taylor <iant@google.com>
10477
10478 * tree-vrp.c: Include "intl.h".
10479 (usable_range_p): New static function.
10480 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
10481 overflowed values, juts set *strict_overflow_p.
10482 (compare_values): Only return -2 if one of the operands is not a
10483 constant.
10484 (compare_ranges): Call usable_range_p.
10485 (compare_range_with_value): Likewise.
10486 (vrp_evaluate_conditional_warnv): Rename from
10487 vrp_evaluate_conditional. Make static. Change all callers.
10488 (vrp_evaluate_conditional): New function.
10489 (simplify_div_or_mod_using_ranges): Issue warning about reliance
10490 on signed overflow.
10491 (simplify_abs_using_ranges): Likewise.
10492 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
10493 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
10494 within_stmt parameter.
10495 * tree-ssa-propagate.c (fold_predicate_in): Update call to
10496 vrp_evaluate_conditional.
10497 * tree-ssa-threadedge.c
10498 (record_temporary_equivalences_from_stmts_at_dest): Change
10499 simplify parameter to take a second tree parameter.
10500 (simplify_control_stmt_condition): Likewise.
10501 (thread_across_edge): Likewise.
10502 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
10503 (thread_across_edge): Likewise.
10504 * Makefile.in (tree-vrp.o): Depend upon intl.h.
10505
10506 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
10507
10508 * config/i386/i386.h (TARGET_SAHF): New define.
10509 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
10510 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
10511 (x86_sahf): New global variable.
10512 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
10513 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
10514 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
10515 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
10516 for 64-bit.
10517 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
10518 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
10519 when expanding fcomi/sahf based tests.
10520 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
10521 expanding sahf based alternative. Emit sahf based sequence when
10522 optimizing for code size.
10523 * config/i386/i386.md (x86_sahf_1): Do not disable for
10524 TARGET_64BIT, enable for TARGET_SAHF.
10525
10526 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
10527
10528 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
10529 spurious whitespace from error message.
10530
10531 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
10532
10533 PR c++/30852
10534 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
10535
10536 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
10537
10538 * c-decl.c (grokdeclarator): Disable warnings for anonymous
10539 bitfields.
10540 * tree-sra.c (instantiate_element): Propagate disabled warnings
10541 from the element itself to the created variable.
10542
10543 2007-03-07 Richard Henderson <rth@redhat.com>
10544
10545 PR target/30848
10546 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
10547 silently fix up the stack in the case of a missing register.
10548
10549 2007-03-07 Paul Brook <paul@codesourcery.com>
10550
10551 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
10552
10553 2007-03-07 Joseph Myers <joseph@codesourcery.com>
10554
10555 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
10556 New.
10557 (phase1_vrs): Use them.
10558 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
10559 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
10560 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
10561 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
10562 __gnu_Unwind_Restore_WMMXC if required.
10563 (_Unwind_VRS_Pop): Implement iWMMXt support.
10564 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
10565 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
10566 gnu_Unwind_Save_WMMXC): Define.
10567
10568 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10569
10570 * config/vxworks.h (vxworks_override_options): Declare.
10571 (VXWORKS_OVERRIDE_OPTIONS): Use it.
10572 * config/vxworks.c: Include target.h and toplev.h.
10573 (vxworks_override_options): New function.
10574 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
10575
10576 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
10577
10578 * config/s390/s390.c (override_options): Don't emit an error when
10579 -mstack-size is used without providing -mstack-guard.
10580 (s390_emit_prologue): Choose stack_guard value automatically if not
10581 provided via command line.
10582 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
10583
10584 2007-03-07 Richard Sandiford <richard@codesourcery.com>
10585
10586 * config/i386/i386.c (output_set_got): Add a GOT initialization
10587 sequence for VxWorks PIC.
10588 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
10589 around labels as well as symbols. Use gotoff_operand instead
10590 of local_symbolic_operand.
10591 (legitimize_pic_address): Use gotoff_operand instead of
10592 local_symbolic_operand. Use @GOT accesses for labels as
10593 well as symbols.
10594 (ix86_output_addr_diff_elt): Use PC-relative rather than
10595 GP-relative offsets for VxWorks PIC.
10596 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
10597 no_new_pseudos. Check whether the returned register is op0.
10598 * config/i386/i386.md (tablejump): Use PC-relative rather than
10599 GP-relative offsets for VxWorks PIC.
10600 * config/i386/predicates.md (gotoff_operand): New predicate.
10601
10602 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10603
10604 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
10605 before defining.
10606 * config/vxworks-dummy.h: New file.
10607 * config/i386/i386.h: Include it.
10608
10609 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
10610
10611 * dwarf2out.c (is_inlined_entry_point): New
10612 (add_high_low_attributes): Emit DW_AT_entry_pc along with
10613 DW_AT_ranges if the first subblock is the entry point.
10614
10615 2007-03-06 David Daney <ddaney@avtrex.com>
10616
10617 * doc/install.texi (mips-*-*): Change recommended binutils
10618 version.
10619
10620 2007-03-06 Anatoly Sokolov <aesok@post.ru>
10621
10622 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
10623 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
10624 devices.
10625 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10626 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10627
10628 2007-03-06 Jan Hubicka <jh@suse.cz>
10629
10630 * errors.h (warning, error, fatal, internal_error): Mark as cold.
10631 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
10632 are hot.
10633 (probably_cold_bb_p): Cold functions are cold.
10634 (probably_never_executed_bb_p): Cold functions are cold.
10635 (tree_bb_level_predictions): Predict calls to cold functions as not
10636 taken.
10637 (compute_function_frequency): Check hot/cold attributes.
10638 * function.h (function_frequency): Update comments.
10639 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
10640 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
10641 (c_common_att): Add cold and hot.
10642
10643 * doc/extend.texi (hot,cold attributes): Document.
10644
10645 2007-03-06 Andrew Haley <aph@redhat.com>
10646
10647 * function.c (expand_function_end): Move blockage to just after we
10648 emit the label for the naked return from the function.
10649
10650 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10651
10652 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
10653 before redefining.
10654
10655 2007-03-06 Jan Hubicka <jh@suse.cz>
10656
10657 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
10658 loaded for constant large models. Non-large 64bit PIC can do.
10659 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
10660 * cmodel.h: Add LARGE PIC.
10661 * i386.md (UNSPEC_PLTOFF): New.
10662 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
10663 needed.
10664 (*call_1_rex64): Disable for large models.
10665 (*call_1_rex64_large): New.
10666 (*call_value_1_rex64): Disable for large models.
10667 (*call_value_1_rex64_large): New.
10668 (set_rip_rex4): New.
10669 (set_got_offset_rex64): New.
10670 * predicates.md (constant_call_address_operand): For large model
10671 constant calls are not possible.
10672 * i386-protos.h (construct_plt_address): Declare.
10673 * i386.c (override_options): Accept large models.
10674 (ix86_expand_prologue): Expand large PIC GOT pointer load.
10675 (legitimate_constant_p): Add new UNSPECs.
10676 (legitimate_pic_operand_p): Likewise.
10677 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
10678 (legitimize_pic_address): Do easy RIP relative way for TLS only for
10679 non-large model.
10680 (output_pic_addr_const): Add PLTOFF.
10681 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
10682 (ix86_expand_move): Legitimize pic address when in PIC mode.
10683 (construct_plt_address): New function.
10684 (ix86_expand_call): Offload the address to register and use GOT pointer
10685 for large model.
10686 * invoke.texi (mcmodel=large): Update documentation.
10687
10688 2007-03-06 Richard Henderson <rth@redhat.com>
10689
10690 * config/i386/i386.c (x86_use_leave, x86_push_memory,
10691 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
10692 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
10693 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
10694 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
10695 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
10696 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
10697 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
10698 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
10699 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10700 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10701 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
10702 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10703 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10704 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
10705 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
10706 x86_schedule, x86_use_bt, x86_pad_returns,
10707 x86_use_xchgb): Merge into ...
10708 (ix86_tune_features): ... here. New array.
10709 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10710 x86_bswap): Merge into ...
10711 (ix86_arch_features): ... here. New array.
10712 (x86_3dnow_a): Remove.
10713 (x86_accumulate_outgoing_args): Make static.
10714 (x86_arch_always_fancy_math_387): Make static.
10715 (ix86_tune_mask, ix86_arch_mask): Move ...
10716 (override_options): ... to local variables here. Apply the
10717 appropriate mask to each element of ix86_arch_features and
10718 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
10719 as were done in the old macros.
10720 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
10721 * config/i386/i386.h (x86_use_leave, x86_push_memory,
10722 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
10723 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
10724 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
10725 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
10726 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
10727 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
10728 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
10729 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
10730 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
10731 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10732 x86_accumulate_outgoing_args, x86_prologue_using_move,
10733 x86_epilogue_using_move, x86_decompose_lea,
10734 x86_arch_always_fancy_math_387, x86_shift1,
10735 x86_sse_partial_reg_dependency, x86_sse_split_regs,
10736 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
10737 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
10738 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
10739 x86_use_incdec, x86_pad_returns, x86_bswap,
10740 x86_partial_flag_reg_stall): Remove.
10741 (enum ix86_tune_indices): New.
10742 (ix86_tune_features): New.
10743 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
10744 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
10745 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
10746 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
10747 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
10748 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
10749 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
10750 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
10751 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
10752 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
10753 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
10754 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
10755 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
10756 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
10757 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
10758 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
10759 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
10760 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
10761 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
10762 TARGET_EXT_80387_CONSTANTS): Use it.
10763 (enum ix86_arch_indices): New.
10764 (ix86_arch_features): New.
10765 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
10766 TARGET_BSWAP): Use it.
10767 (ix86_tune_mask, ix86_arch_mask): Remove.
10768
10769 2007-03-06 Joseph Myers <joseph@codesourcery.com>
10770
10771 PR bootstrap/31020
10772 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
10773 Define using $${sysroot_headers_suffix}.
10774 * configure: Regenerate.
10775 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
10776 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
10777 defined.
10778 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
10779 * gcc.c (print_sysroot_headers_suffix): New.
10780 (option_map): Include --print-sysroot-headers-suffix.
10781 (display_help): Mention -print-sysroot-headers-suffix.
10782 (process_command): Handle -print-sysroot-headers-suffix.
10783 (do_spec_1): Append multilib directory to include-fixed path if
10784 sysroot suffixes in use.
10785 (main): Handle -print-sysroot-headers-suffix.
10786 * Makefile.in (start.encap): Don't depend on xlimits.h
10787 (xlimits.h): Remove.
10788 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
10789 limits.h for each multilib in fixinc_list.
10790 (fixinc_list, s-fixinc_list): New.
10791 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
10792 generate them for each multilib in fixinc_list.
10793 (stmp-fixproto): Use include-fixed. Run fixproto for each
10794 multilib in fixinc_list.
10795 (mostlyclean): Don't remove xlimits.h.
10796 (clean): Remove include-fixed.
10797 (real-install-headers-tar, real-install-headers-cpio,
10798 real-install-headers-cp): Don't copy include, only include-fixed.
10799 (install-mkheaders): Depend on fixinc_list. Don't depend on
10800 xlimits.h. Save limits.h files for each multilib in fixinc_list.
10801 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
10802 SYSTEM_HEADER_DIR setting in mkheaders.conf.
10803
10804 2007-03-06 Jan Hubicka <jh@suse.cz>
10805
10806 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
10807 NANs easilly.
10808
10809 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10810
10811 * configure.ac: Allow tm_file to contain build-directory files.
10812 * configure: Regenerate.
10813 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
10814 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
10815 * config/m68k/print-sysroot-suffix.sh: New file.
10816
10817 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10818
10819 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
10820 of pic_offset_table_rtx if reload_completed.
10821 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
10822 PIC_OFFSET_TABLE_REGNUM.
10823 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
10824 return true.
10825 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
10826 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
10827
10828 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10829
10830 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10831 functions that call eh_return.
10832
10833 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10834
10835 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
10836 functions that need a constant pool.
10837
10838 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10839
10840 PR target/28181
10841 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
10842 (m68k_preferred_reload_class): Likewise.
10843 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
10844 (SECONDARY_RELOAD_CLASS): Define.
10845 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
10846 (LIMIT_RELOAD_CLASS): Delete.
10847 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
10848 registers from storing bytes.
10849 (m68k_secondary_reload_class): New function.
10850 (m68k_preferred_reload_class): Likewise.
10851
10852 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10853
10854 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
10855 leaf functions.
10856 (m68k_expand_prologue): Likewise.
10857
10858 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10859
10860 * config/m68k/m68k-protos.h (output_sibcall): Declare.
10861 (mips_expand_epilogue): Add a bool parameter.
10862 (m68k_legitimize_sibcall_address): Declare.
10863 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
10864 (m68k_expand_epilogue): Add a parameter to select between sibling
10865 and normal epilogues. Only generate a return for the latter.
10866 (m68k_ok_for_sibcall_p): New function.
10867 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
10868 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
10869 (sibcall_value, *sibcall_value): Likewise.
10870 (*call, *call_value): Require !SIBLING_CALL_P.
10871 (epilogue): Update call to m68k_expand_epilogue.
10872 (sibcall_epilogue): New pattern.
10873 * config/m68k/predicates.md (const_call_operand): Say that this
10874 predicate applies to sibling calls too.
10875 (sibcall_operand): New predicate.
10876
10877 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10878
10879 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
10880 alternatives as movsi_cf.
10881 (movsf_cf_hard): Add commentary.
10882
10883 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
10884 Richard Sandiford <richard@codesourcery.com>
10885
10886 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
10887 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
10888 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
10889 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
10890 as being live on exit from an interrupt function.
10891 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
10892 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
10893 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
10894 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
10895 (m68k_interrupt_function_p): Globalize.
10896 (m68k_compute_frame_layout): Remove reverse mask code.
10897 (m68k_emit_movem, m68k_set_frame_related): New functions.
10898 (m68k_output_function_prologue): Delete in favor of...
10899 (m68k_expand_prologue): ...this new function.
10900 (m68k_output_function_epilogue): Delete in favor of...
10901 (m68k_expand_epilogue): ...this new function.
10902 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
10903 functions.
10904 (print_operand): Handle %?.
10905 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
10906 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
10907 (prologue, epilogue): New patterns.
10908 (return): Turn into a define_expand.
10909 (*return): New pattern, derived from old "return" pattern. Use rte
10910 rather than rts for interrupt functions. Only use rtd if the pop
10911 count is nonzero.
10912 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
10913 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
10914 (link, *link, unlink, *unlink, load_got): Likewise.
10915
10916 2007-03-06 Richard Sandiford <richard@codesourcery.com>
10917
10918 PR target/23482
10919 PR target/17114
10920 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
10921 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
10922 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
10923 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
10924 and m68k_matches_u_p.
10925 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
10926 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
10927 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
10928 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
10929 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
10930 (REG_STRICT_P): New macro.
10931 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
10932 PCREL_GENERAL_OPERAND_OK.
10933 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
10934 m68k_legitimate_base_reg_p.
10935 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
10936 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
10937 (PIC_CASE_VECTOR_ADDRESS): Update comment.
10938 * config/m68k/m68k.c (m68k_address): New structure.
10939 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
10940 (m68k_decompose_index, m68k_legitimate_constant_address_p)
10941 (m68k_jump_table_ref_p, m68k_decompose_address)
10942 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
10943 (m68k_matches_u_p): New functions.
10944 (print_operand_address): Rewrite to use m68k_decompose_index.
10945
10946 2007-03-05 David Taylor <dtaylor@emc.com>
10947
10948 * gcc.c: Correct copyright date in --version output.
10949
10950 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10951
10952 * pa.md: In unamed move patterns, disparge copies between general
10953 and floating point registers using '?' modifier. Don't include 'f'
10954 constraint for register preferences in DImode, SImode, HImode and
10955 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
10956 Remove constraints for copies between general and floating registers
10957 in soft-float DFmode pattern.
10958 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
10959 floating register.
10960 (movsf): Likewise.
10961
10962 2007-03-05 Mike Stump <mrs@apple.com>
10963
10964 * c-common.c (targetcm): Add.
10965 * c-opts.c (c_common_handle_option): Handle language specific
10966 target options.
10967 * opts.c (handle_option): Verify language for target options, if
10968 any are given.
10969 * opth-gen.awk: Add CL_LANG_ALL.
10970 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
10971 (TARGETCM_INITIALIZER): Add.
10972 * target.h (struct gcc_targetcm): Add.
10973 (targetcm): Add.
10974 * targhooks.c (default_handle_c_option): Add.
10975 * targhooks.h (default_handle_c_option): Add.
10976 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
10977
10978 * config/darwin.opt (iframework): Add.
10979 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
10980 * config/darwin-c.c (handle_c_option): Add.
10981 (TARGET_HANDLE_C_OPTION): Add.
10982 (targetcm): Add.
10983 * doc/invoke.texi (Darwin Options): Add -iframework.
10984
10985 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10986
10987 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
10988 conversion.
10989
10990 2007-03-05 Ian Lance Taylor <iant@google.com>
10991
10992 * c.opt (fgnu89-inline): New option.
10993 * c-opts.c (c_common_post_options): Set default value for
10994 flag_gnu89_inline.
10995 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
10996 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
10997 inline functions.
10998 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
10999 (grokdeclarator, start_function): Likewise.
11000 * c-cppbuiltin.c (c_cpp_builtins): Define either
11001 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
11002 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
11003 (C Dialect Options): Document -fgnu89-inline.
11004 * doc/extend.texi (Function Attributes): Explain what the
11005 gnu_inline attribute does.
11006 * doc/cpp.texi (Common Predefined Macros): Document
11007 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
11008
11009 2007-03-05 Ian Lance Taylor <iant@google.com>
11010
11011 PR tree-optimization/31034
11012 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
11013 half-range if the other side is an overflow infinity.
11014
11015 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
11016
11017 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
11018 (bfin*-linux-uclibc*): New configuration.
11019 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
11020 defining.
11021 * config/bfin/linux.h: New file.
11022 * config/bfin/libgcc-bfin.ver: New file.
11023 * config/bfin/t-bfin-uclinux: New file.
11024 * config/bfin/t-bfin-linux: New file.
11025 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
11026 (TARGET_OS_CPP_BUILTINS): New macro.
11027
11028 2007-03-05 Richard Guenther <rguenther@suse.de>
11029
11030 * fold-const.c (fold_binary): Remove duplicate folding
11031 of comparison of non-null ADDR_EXPR against null.
11032
11033 2007-03-05 Richard Guenther <rguenther@suse.de>
11034 Dorit Nuzman <dorit@il.ibm.com>
11035
11036 PR tree-optimization/26420
11037 * tree-vectorizer.c (vectorize_loops): Bail out early if there
11038 are no loops in the function. Only print the number of
11039 vectorized loops if it is greater than zero or we are supposed
11040 to print information about unvectorized loops.
11041
11042 2007-03-05 Revital Eres <eres@il.ibm.com>
11043
11044 * gcc.dg/var-expand1.c: New test.
11045 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
11046 when an accumulator is expanded.
11047
11048 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11049
11050 PR other/30465
11051 * c-common.c (convert_and_check): Don't give warnings for
11052 conversion if 'expr' already overflowed.
11053
11054 2007-03-04 Roger Sayle <roger@eyesopen.com>
11055
11056 PR middle-end/30744
11057 * fold-const.c (fold_comparison): Enforce type consistency when
11058 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
11059
11060 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
11061
11062 * tree-ssa-address.c (create_mem_ref): Do not put an expression
11063 containing a cast to the base of TARGET_MEM_REF.
11064
11065 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
11066
11067 * tree.c (tree_contains_struct_check_failed): Remove spurious
11068 whitespace from error message.
11069
11070 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
11071
11072 PR target/30406
11073 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
11074 instead of precision.
11075
11076 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
11077 Nathan Sidwell <nathan@codesourcery.com>
11078
11079 * emit-rtl.c (find_auto_inc): New.
11080 (try_split): recreate REG_INC notes,
11081 Use regular for loops rather than whiles.
11082
11083 2007-03-03 Andreas Schwab <schwab@suse.de>
11084
11085 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
11086 * configure: Regenerate.
11087
11088 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11089
11090 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
11091 flag_rounding_math, not flag_unsafe_math_optimizations.
11092
11093 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
11094 fold_build2.
11095 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
11096 alpha_fold_vector_minmax): Likewise.
11097 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11098 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
11099
11100 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11101
11102 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
11103 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
11104 if the lhs has side-effects.
11105 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
11106
11107 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11108
11109 * config/i386/i386.h (TUNEMASK): Remove define.
11110 (ARCHMASK): Remove define.
11111 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
11112 Use ix86_arch_mask variable instead of ARCHMASK.
11113 * config/i386/i386.c (override_options): Ditto.
11114 (standard_80387_constant_p): Ditto.
11115
11116 2007-03-02 Ian Lance Taylor <iant@google.com>
11117
11118 Used signed infinities in VRP.
11119 * tree-vrp.c (uses_overflow_infinity): New static function.
11120 (supports_overflow_infinity): New static function.
11121 (make_overflow_infinity): New static function.
11122 (negative_overflow_infinity): New static function.
11123 (positive_overflow_infinity): New static function.
11124 (is_negative_overflow_infinity): New static function.
11125 (is_positive_overflow_infinity): New static function.
11126 (is_overflow_infinity): New static function.
11127 (overflow_infinity_range_p): New static function.
11128 (compare_values_warnv): New function split out of compare_values.
11129 (compare_value): Call it.
11130 (set_value_range_to_nonnegative): Add overflow_infinity
11131 parameter. Change caller.
11132 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
11133 Change callers.
11134 (vrp_expr_computes_nonzero): Likewise.
11135 (compare_ranges, compare_range_with_value): Likewise.
11136 (compare_name_with_value, compare_names): Likewise.
11137 (vrp_evaluate_conditional): Likewise.
11138 (set_value_range): Handle infinity
11139 (vrp_operand_equal_p, operand_less_p): Likewise.
11140 (extract_range_from_assert): Likewise.
11141 (vrp_int_const_binop): Likewise.
11142 (extract_range_from_binary_expr): Likewise.
11143 (extract_range_from_unary_expr): Likewise.
11144 (extract_range_from_comparison): Likewise.
11145 (extract_range_from_expr): Likewise.
11146 (dump_value_range): Likewise.
11147 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
11148 (test_for_singularity): Likewise.
11149 (vrp_int_const_binop): Remove inline qualifier.
11150 (adjust_range_with_scev): Add comment.
11151 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11152
11153 2007-03-02 Diego Novillo <dnovillo@redhat.com>
11154
11155 * tree-ssa-structalias.c (could_have_pointers): Tidy.
11156 (get_constraint_for): Likewise.
11157 (do_structure_copy): Likewise.
11158 (find_func_aliases): Fix references to MODIFY_EXPR.
11159 (intra_create_variable_infos): Tidy.
11160 * tree-ssa-operands.c (add_virtual_operand): Add argument
11161 IS_CALL_SITE.
11162 When adding members of alias sets, if IS_CALL_SITE is true and
11163 the symbol is not call-clobbered, skip it.
11164 Adjust all callers.
11165
11166 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11167
11168 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
11169 entry by means of emit_insn_at_entry.
11170
11171 2007-03-02 Richard Henderson <rth@redhat.com>
11172
11173 * expr.h (promoted_input_arg): Remove decl.
11174 * function.c (promoted_input_arg): Merge into ...
11175 * combine.c (setup_incoming_promotions): ... only caller.
11176 Rearrange to avoid double loop.
11177
11178 2007-03-02 Ben Elliston <bje@au.ibm.com>
11179 Peter Bergner <bergner@vnet.ibm.com>
11180 Janis Johnson <janis187@us.ibm.com>
11181
11182 * config/rs6000/dfp.md: New file.
11183 * config/rs6000/rs6000.md: Include dfp.md.
11184 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
11185 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
11186 and TDmode decimal float modes in FP registers.
11187 (num_insns_constant): Likewise.
11188 (rs6000_legitimate_offset_address_p): Likewise.
11189 (rs6000_legitimize_address): Likewise.
11190 (rs6000_legitimize_reload_address): Likewise.
11191 (rs6000_legitimate_address): Likewise.
11192 (rs6000_emit_move): Likewise.
11193 (function_arg_boundary): Likewise.
11194 (function_arg_advance): Likewise.
11195 (rs6000_darwin64_record_arg_recurse): Likewise.
11196 (function_arg): Likewise.
11197 (rs6000_gimplify_va_arg): Likewise.
11198 (rs6000_split_multireg_move): Likewise.
11199 (rs6000_output_function_epilogue): Likewise.
11200 (rs6000_output_function_epilogue): Likewise.
11201 (rs6000_register_move_cost): Likewise.
11202 (rs6000_function_value): Likewise.
11203 (rs6000_libcall_value): Likewise.
11204
11205 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11206
11207 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
11208
11209 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11210
11211 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
11212 Use $MULTIDIR to choose between the kernel and RTP headers,
11213 and use $WIND_BASE and $WIND_USR to locate them.
11214
11215 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11216
11217 * config/i386/i386.c (override_options): Put initialization of
11218 ix86_tune_mask and ix86_arch_mask to the correct place.
11219
11220 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11221 Michael Meissner <michael.meissner@amd.com>
11222
11223 PR target/31019
11224 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
11225 (ARCHMASK): Define.
11226 (TARGET_CMOVE): Use ARCHMASK.
11227 (TARGET_CMPXCHG): Ditto.
11228 (TARGET_CMPXCHG8B): Ditto.
11229 (TARGET_XADD): Ditto.
11230 (TARGET_BSWAP): Ditto.
11231 * config/i386/i386.c (ix86_tune_mask): New global variable.
11232 (ix86_arch_mask): Ditto.
11233 (override_options): Initialize ix86_tune_mask and
11234 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
11235 target_flags.
11236
11237 2007-03-02 Ben Elliston <bje@au.ibm.com>
11238
11239 PR 30992
11240 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
11241
11242 2007-03-02 Joseph Myers <joseph@codesourcery.com>
11243
11244 * target.h (init_dwarf_reg_sizes_extra): New target hook.
11245 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
11246 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
11247 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
11248 hook.
11249 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
11250 rs6000_init_dwarf_reg_sizes_extra): New.
11251 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
11252 SPE register high parts.
11253
11254 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
11255
11256 * Makefile.in: Add install-pdf target as
11257 copied from automake v1.10 rules.
11258 * configure.ac: Add install-pdf to target list.
11259 * configure: Regenerate.
11260
11261 2007-03-01 Paul Brook <paul@codesourcery.com>
11262
11263 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
11264 modes to LDRD for DImode.
11265 (output_move_double): Fixup out of range ldrd/strd.
11266 (vfp_secondary_reload_class): Rename...
11267 (coproc_secondary_reload_class): ... to this. Add wb argument.
11268 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
11269 coproc_secondary_reload_class for CLASS_IWMMXT.
11270 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
11271 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
11272
11273 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
11274
11275 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
11276 factor by the estimated number of iterations.
11277 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
11278 prefetch latency.
11279
11280 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
11281 decode_caches_intel, detect_caches_intel): New functions.
11282 (host_detect_local_cpu): Use detect_caches_amd and
11283 detect_caches_intel.
11284
11285 2007-03-01 Richard Henderson <rth@redhat.com>
11286
11287 * expr.c (emit_move_complex_push): Export.
11288 (emit_move_complex_parts): Split out from ...
11289 (emit_move_complex): ... here.
11290 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
11291 * config/i386/i386.md (movcdi): New.
11292
11293 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
11294
11295 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
11296 size of mode1 to check for tieable modes in MMX case.
11297
11298 2007-03-01 Richard Sandiford <richard@codesourcery.com>
11299
11300 * Makefile.in (rtlanal.o): Depend on tree.h.
11301 * rtl.h (offset_within_section_p, split_const): Declare.
11302 * rtlanal.c: Include tree.h.
11303 (offset_within_block_p): New function, taken from
11304 mips_offset_within_object_p.
11305 (split_const): New function, taken from mips_split_const.
11306 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
11307 Declare.
11308 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
11309 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
11310 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
11311 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11312 (m68k_illegitimate_symbolic_constant_p): New function.
11313 * config/m68k/m68k.md (movsi): Remove misleading predicates.
11314 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
11315 symbolic constant that might be outside the symbol's section,
11316 move the symbol first and then add the offset.
11317 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
11318 Override.
11319 * config/mips/mips.c (mips_split_const): Delete.
11320 (mips_offset_within_object_p): Delete.
11321 (mips_symbolic_constant_p): Use offset_within_section_p and
11322 split_const instead of mips_offset_within_object_p and
11323 mips_split_const.
11324 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
11325 (mips_legitimize_const_move, print_operand_reloc)
11326 (mips_dangerous_for_la25_p): Use split_const instead of
11327 mips_split_const.
11328
11329 2007-02-28 Eric Christopher <echristo@apple.com>
11330
11331 * Makefile.in (install-include-dir): Don't rm -rf include.
11332
11333 2007-02-28 Richard Guenther <rguenther@suse.de>
11334
11335 PR middle-end/30364
11336 * fold-const.c (fold_binary): Do not associate expressions
11337 with more than one variable for integer types that do not wrap.
11338
11339 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
11340
11341 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
11342 Delete, and replace with...
11343 (fold_builtin_call_array): This. Update callers to use it.
11344 * fold-const.c (fold_build_call_list): Delete, and replace with...
11345 (fold_build_call_array): This.
11346 (fold_build_call_list_initializer): Delete, and replace with...
11347 (fold_build_call_array_initializer): This.
11348 * tree.h: Update declarations to reflect above changes.
11349
11350 * c-typeck.c (build_function_call): Store converted arguments
11351 in a stack-allocated array instead of building a list.
11352 (convert_arguments): Store arguments in the array passed in as an
11353 argument, and return the actual number of arguments.
11354 * c-format.c: (check_function_format): Pass arguments in an
11355 array instead of a list.
11356 * c-common.c (check_function_nonnull): Likewise.
11357 (check_function_sentinel): Likewise.
11358 (check_function_arguments): Likewise.
11359 * c-common.h: Update declarations to reflect above changes.
11360
11361 2007-02-28 Jan Hubicka <jh@suse.cz>
11362
11363 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
11364 PRED_NEGATIVE_RETURN): Update outcomes.
11365
11366 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
11367
11368 * calls.c (emit_library_call_value_1): Handle partial registers
11369 correctly when building up CALL_INSN_FUNCTION_USAGE.
11370
11371 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11372
11373 * pa/predicates.md (move_src_operand): Allow zero for mode.
11374 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
11375 move pattern.
11376
11377 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
11378
11379 PR target/30970
11380 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
11381 *movv2df_internal): Enable pattern only for valid operand
11382 combinations.
11383 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
11384 tie only 128bit modes. For MMX registers, tie only 64bit modes.
11385
11386 2007-02-27 Mike Stump <mrs@apple.com>
11387
11388 * config/darwin-crt3.c: Avoid compilation when compiling for a
11389 kext multilib.
11390
11391 2007-02-27 Joseph Myers <joseph@codesourcery.com>
11392
11393 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
11394 FIXED_INCLUDE_DIR.
11395 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
11396 for fixed headers and limits.h.
11397 (install-include-dir, install-headers-tar, install-headers-cpio,
11398 install-headers-cp, real-install-headers-tar,
11399 real-install-headers-cpio, real-install-headers-cp): Handle
11400 include-fixed as well as include.
11401 (install-mkheaders): Don't install files that go only in include
11402 not include-fixed.
11403 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
11404 from GCC_INCLUDE_DIR.
11405 * gcc.c (process_command): Remove special -BstageN/ handling.
11406 (do_spec_1): Add include-fixed directories.
11407
11408 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11409
11410 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
11411 _smulsi3_highpart.
11412 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
11413 New functions.
11414 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
11415 patterns.
11416
11417 2007-02-27 Mark Mitchell <mark@codesourcery.com>
11418
11419 * c-common.c (get_priority): Add check for
11420 SUPPORTS_INIT_PRIORITY.
11421
11422 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11423
11424 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
11425
11426 * config/bfin/bfin.c: Include "cfglayout.h".
11427 (MAX_LSETUP_DISTANCE): New macro.
11428 (struct loop_info): New members incoming, incoming_src and
11429 incoming_dest. Delete member predecessor.
11430 (length_for_loop): New function.
11431 (bfin_optimize_loop): Handle more different loop structures.
11432 (bfin_discover_loop): Rework detection of predecessor blocks by
11433 examining incoming edges.
11434 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
11435 bfin_reorg_loops.
11436 (bfin_reorder_loops): New function.
11437 (bfin_reorg_loops): Use these three new functions.
11438
11439 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
11440 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
11441 (CONSTRAINT_LEN): Add entry for 'q'.
11442 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
11443 Add 'q' constraints.
11444 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
11445 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
11446
11447 * config/bfin/bfin.md (add_with_carry): New pattern.
11448 (s_or_u, su_optab, su_modifier): New code macros/attrs.
11449 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
11450 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
11451 support unsigned multiplies too. Removed incorrect commutativity from
11452 operand 1 constraint where appropriate.
11453 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
11454 patterns.
11455 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
11456 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
11457 New patterns.
11458 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
11459 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
11460 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
11461 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
11462 usmulhisi_hh_huh): New patterns.
11463
11464 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
11465 lshifthi3): Fix output template to use half reg for operand 2.
11466
11467 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
11468 instead of R2.
11469
11470 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
11471
11472 2007-02-27 Andreas Schwab <schwab@suse.de>
11473
11474 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
11475
11476 2007-02-27 Jan Hubicka <jh@suse.cz>
11477
11478 * predict.c (last_basic_block_p): Remove.
11479 (tree_estimate_probability): Update return heuristic for commonized
11480 return blocks.
11481
11482 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11483
11484 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
11485
11486 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11487
11488 * doc/include/gcc-common.texi (versionsubtitle): New macro.
11489 * doc/cpp.texi: Standardize title page.
11490 * doc/cppinternals.texi: Likewise.
11491 * doc/gcc.texi: Standardize title page, remove version number
11492 from copyright page.
11493 * doc/gccint.texi: Likewise.
11494 * doc/install.texi: Standardize title page, add table of
11495 contents.
11496
11497 2007-02-26 Jan Hubicka <jh@suse.cz>
11498
11499 * predict.def: Set outcomes according to more recent results.
11500 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
11501 Remove dead predictors.
11502 * predict.c (return_prediction): Fix pasto.
11503
11504 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11505
11506 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
11507 change; avoid a memory leak when returning early.
11508
11509 2007-02-26 Mark Mitchell <mark@codesourcery.com>
11510
11511 * c-decl.c (static_ctors): Move to c-common.c.
11512 (static_dtors): Likewise.
11513 (finish_function): Use c_record_cdtor_fn.
11514 (build_cdtor): Move to c-common.c.
11515 (c_write_global_declarations): Use c_build_cdtor_fns.
11516 * c-common.h (static_ctors): Declare.
11517 (static_dtors): Likewise.
11518 (c_record_cdtor_fn): Likewise.
11519 (c_build_cdtor_fns): Likewise.
11520 * c-common.c (static_ctors): New variable.
11521 (static_dtors): Likewise.
11522 (c_record_cdtor_fn): New function.
11523 (build_cdtor): Move from c-decl.c
11524 (c_build_cdtor_fns): New function.
11525
11526 * output.h (assemble_addr_to_section): Declare.
11527 (get_cdtor_priority_section): Likewise.
11528 * varasm.c (assemble_addr_to_section): New function.
11529 (get_cdtor_priority_section): Likewise.
11530 (default_named_section_asm_out_destructor): Use them.
11531 (destor_dtor_section_asm_out_destructor): Likewise.
11532 (default_named_section_asm_out_constructor): Likewise.
11533 (default_ctor_section_asm_out_constructor): Likewise.
11534 * config.gcc (*-*-vxworks*): Include vxworks.o.
11535 * config/t-vxworks (vxworks.o): New target.
11536 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
11537 (TARGET_ASM_CONSTRUCTOR): Define.
11538 (TARGET_ASM_DESTRUCTOR): Likewise.
11539 (vxworks_asm_out_constructor): Declare.
11540 (vxworks_asm_out_destructor): Likewise.
11541
11542 * c-common.c (get_priority): Check that we have not just an
11543 INTEGER_CST, but an integer constant with integeral type.
11544
11545 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
11546
11547 PR tree-optimization/30938
11548 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
11549 use &dt[nargs-1] instead of &dt[nargs] in the call to
11550 vect_is_simple_use().
11551
11552 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
11553
11554 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
11555 from register elimination as PRE_MODIFY / POST_MODIFY increments.
11556 Do not attempt to handle MEM inside auto-inc expressions.
11557 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
11558 of a register modified by an auto-inc expression. However, do handle
11559 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
11560 (elimination_effects): Prohibit elimination of a register modified
11561 by an auto-inc expression. Disable register elimination rules whose
11562 target register is modified by an auto-inc expression with variable
11563 increment.
11564
11565 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
11566
11567 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
11568 off-by-one error.
11569 (array_at_struct_end_p): New function.
11570 (idx_infer_loop_bounds): Use it.
11571 (estimate_numbers_of_iterations_loop): Export.
11572 * predict.c (predict_loops): Use estimated_loop_iterations_int.
11573 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
11574 (tree_estimate_probability): Call record_loop_exits.
11575 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
11576 (estimated_loop_iterations, estimated_loop_iterations_int,
11577 estimated_loop_iterations_tree): New functions.
11578 (analyze_siv_subscript_cst_affine,
11579 compute_overlap_steps_for_affine_1_2,
11580 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
11581 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
11582 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
11583 (PRED_LOOP_ITERATIONS_GUESSED): New.
11584 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
11585 * cfgloop.h (estimate_numbers_of_iterations_loop,
11586 estimated_loop_iterations_int): Declare.
11587
11588 2007-02-25 Mark Mitchell <mark@codesourcery.com>
11589
11590 * doc/extend.texi: Document optional priority argument to
11591 constructors and destructors.
11592 * tree.c (init_priority_for_decl): Adjust GTY markers.
11593 (init_ttree): Use priority-info hash functions for
11594 init_priority_for_decl.
11595 (tree_map_eq): Rename to ...
11596 (tree_map_base_eq): ... this.
11597 (tree_map_marked_p): Rename to ...
11598 (tree_map_base_marked_p): ... this.
11599 (tree_map_base_hash): New function.
11600 (decl_init_priority_lookup): Rework.
11601 (decl_fini_priority_lookup): New function.
11602 (decl_priority_info): New function.
11603 (decl_init_priority_insert): Use it.
11604 (decl_fini_priority_insert): Likewise.
11605 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
11606 hierarchy.
11607 (decl_restrict_base_insert): Likewise.
11608 (decl_debug_expr_insert): Likewise.
11609 (decl_value_expr_lookup): Likewise.
11610 (decl_value_expr_insert): Likewise.
11611 * tree.h (priority_type): New type.
11612 (decl_init_priority_lookup): Use priority_type.
11613 (decl_fini_priority_lookup): New function.
11614 (decl_init_priority_insert): Use priority_type.
11615 (decl_fini_priority_insert): New function.
11616 (DECL_HAS_INIT_PRIORITY): Tweak comments.
11617 (DECL_INIT_PRIORITY): Likewise.
11618 (SET_DECL_INIT_PRIORITY): Add comment.
11619 (DECL_FINI_PRIORITY): New macro.
11620 (SET_DECL_FINI_PRIORITY): Likewise.
11621 (DEFAULT_INIT_PRIORITY): Document.
11622 (MAX_INIT_PRIORITY): Likewise.
11623 (MAX_RESERVED_INIT_PRIORITY): Likewise.
11624 (tree_map_base): New type.
11625 (tree_map_base_eq): New function.
11626 (tree_map_base_hash): Likewise.
11627 (tree_map_base_marked_p): Likewise.
11628 (tree_map): Inherit from tree_map_base.
11629 (tree_map_eq): Make it a macro.
11630 (tree_map_marked_p): Likewise.
11631 (tree_int_map): Inherit from tree_map_base.
11632 (tree_int_map_eq): Make it a macro.
11633 (tree_int_map_hash): Likewise.
11634 (tree_int_map_marked_p): Likewise.
11635 (tree_priority_map): New type.
11636 (tree_priority_map_eq): New macro.
11637 (tree_priority_map_hash): Likewise.
11638 (tree_priority_map_marked_p): Likewise.
11639 * varasm.c (emults_decl): Adjust for refactoring of tree_map
11640 hierarchy.
11641 (emutls_common_1): Likewise.
11642 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
11643 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
11644 of tree_map hierarchy.
11645 * tree-cfg.c (move_stmt_r): Likewise.
11646 (new_label_mapper): Likewise.
11647 * c-tree.h (c_expand_body): Move to ...
11648 * c-common.h (c_expand_body): ... here.
11649 * c-decl.c (c_expand_body): Move to ...
11650 * c-common.c (c_expand_body): ... here.
11651 (c_common_attribute_table): Allow 1 argument for the constructor
11652 and destructor attributes.
11653 (get_priority): New function.
11654 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
11655 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
11656
11657 2007-02-24 Jan Hubicka <jh@suse.cz>
11658
11659 PR middle-end/30509
11660 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
11661
11662 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11663 Jan Hubicka <jh@suse.cz>
11664
11665 PR target/30778
11666 * i386.c (counter_mode): New function.
11667 (expand_set_or_movmem_via_loop): Use it.
11668 (expand_movmem_epilogue): Likewise; fix pasto.
11669 (ix86_expand_movmem): Do emit guard even for constant counts.
11670 (ix86_expand_setmem): Likewise.
11671
11672 2007-02-25 Nick Clifton <nickc@redhat.com>
11673
11674 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
11675 (JUMP_TABLES_IN_TEXT_SECTION): Define.
11676
11677 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
11678
11679 PR target/30770
11680 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
11681 count argument with 0x10, not with 0x16.
11682 (expand_setmem_epilogue): Ditto.
11683
11684 2007-02-24 Mike Stump <mrs@apple.com>
11685
11686 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
11687 symbols.
11688
11689 2007-02-24 Richard Guenther <rguenther@suse.de>
11690
11691 PR middle-end/30951
11692 * fold-const.c (fold_binary): Fold x +- CST op x for
11693 EQ_EXPR and NE_EXPR.
11694
11695 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11696
11697 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
11698
11699 2007-02-24 Jan Hubicka <jh@suse.cz>
11700
11701 * cgraphunit.c (decide_is_function_needed): Honor
11702 -fkeep-inline-functions.
11703
11704 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11705
11706 * builtins.c (fold_builtin_modf): New.
11707 (fold_builtin_2): Use it.
11708
11709 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
11710
11711 * loop-iv.c (implies_p): Detect additional cases where A implies B.
11712 (determine_max_iter): Take additional LOOP arg; all callers changed.
11713 Lose broken logic dealing with PLUS. Try to limit the upper bound by
11714 one using simplifications.
11715 (simplify_using_initial_values): Return if the expression becomes
11716 invalid due to altered regs.
11717
11718 2007-02-23 DJ Delorie <dj@redhat.com>
11719
11720 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
11721
11722 2007-02-23 Mike Stump <mrs@apple.com>
11723
11724 * tlink.c (scan_linker_output): Parse linker messages from
11725 darwin9's linker better.
11726
11727 2007-02-23 Steve Ellcey <sje@cup.hp.com>
11728
11729 PR debug/29614
11730 * varpool.c (varpool_assemble_pending_decls): Set
11731 varpool_last_needed_node to null.
11732
11733 2007-02-23 DJ Delorie <dj@redhat.com>
11734
11735 * config/i386/i386.c (ix86_data_alignment): Don't specify an
11736 alignment bigger than the object file can handle.
11737
11738 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
11739
11740 PR target/30825
11741 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
11742 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
11743 (*movsf_1): Penalize MMX moves.
11744
11745 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
11746
11747 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
11748 2^32-1 or more times unless flag_unsafe_loop_optimizations.
11749
11750 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
11751
11752 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11753
11754 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
11755 (fold_builtin_1): Use them.
11756 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
11757 BUILT_IN_SIGNIFICAND.
11758
11759 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
11760
11761 * config/i386/i386.c (bdesc_1arg): Initialize
11762 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
11763 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
11764 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
11765 and IX86_BUILTIN_MOVSLDUP.
11766
11767 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
11768
11769 PR rtl-optimization/30841
11770 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
11771
11772 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11773
11774 * builtins.c (fold_builtin_frexp): New.
11775 (fold_builtin_2): Use it.
11776
11777 2007-02-22 Mark Mitchell <mark@codesourcery.com>
11778
11779 * doc/invoke.texi (Spec Files): Document getenv spec function.
11780
11781 * gcc.c (getenv_spec_function): New function.
11782 (static_spec_functions): Add it.
11783 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
11784 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
11785 header files.
11786
11787 2007-02-22 Michael Matz <matz@suse.de
11788
11789 PR c++/29433
11790 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
11791 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
11792
11793 2007-02-22 Ian Lance Taylor <iant@google.com>
11794
11795 PR debug/30898
11796 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
11797 (mem_loc_descriptor): Call it.
11798
11799 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
11800 Ira Rosen <irar@il.ibm.com>
11801
11802 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
11803
11804 2007-02-22 Ira Rosen <irar@il.ibm.com>
11805
11806 PR tree-optimization/30843
11807 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
11808 stores only after all the group is vectorized.
11809
11810 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
11811
11812 PR tree-optimization/30858
11813 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
11814 in the reduction cycle have a single use in the loop.
11815 * tree-vectorizer.h (relevant): Add documentation.
11816
11817 2007-02-20 Mike Stump <mrs@apple.com>
11818
11819 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
11820 * configure: Regenerate.
11821
11822 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
11823
11824 Change the defaults of some parameters and options.
11825 * config/spu/spu-protos.h (spu_optimization_options): Declare.
11826 * config/spu/spu.c (spu_optimization_options): Add.
11827 (spu_override_options): Change params in spu_optimization_options.
11828 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
11829
11830 Register 127 is only 16 byte aligned when used as a frame pointer.
11831 * config/spu/spu-protos.h (spu_init_expanders): Declare.
11832 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
11833 HARD_FRAME_POINTER_REGNUM.
11834 (spu_legitimate_address): Use regno_aligned_for_reload.
11835 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
11836 aligned when frame_pointer_needed is true.
11837 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
11838 to 8 bits.
11839 * config/spu/spu.h (INIT_EXPANDERS): Define.
11840
11841 Make sure shift and rotate instructions have valid immediate operands.
11842 * config/spu/predicates.md (spu_shift_operand): Remove.
11843 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
11844 * config/spu/constraints.md (W, O): Extend range.
11845 * config/spu/spu.md (umask, nmask): Define.
11846 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
11847 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
11848 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
11849 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
11850 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
11851 (lshr<mode>3_reg): Fix rtl description.
11852
11853 Make sure mulhisi immediate operands are valid.
11854 * config/spu/predicates.md (imm_K_operand): Add.
11855 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
11856
11857 Generate constants using fsmbi and andi.
11858 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
11859 (print_operand, spu_split_immediate, classify_immediate,
11860 fsmbi_const_p): Handle IC_FSMBI2.
11861
11862 Correctly handle a CONST_VECTOR containing symbols.
11863 * config/spu/spu.c (print_operand): Handle HIGH correctly.
11864 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
11865 (immediate_load_p): Allow symbols that use 2 instructions to create.
11866 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
11867 with symbols when flag_pic is set.
11868 (const_vector_immediate_p): New.
11869 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
11870 accept a CONST_VECTOR with symbols.
11871 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
11872 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
11873 correctly.
11874 * config/spu/spu.md (high, low): Delete.
11875 (low_<mode>): Define.
11876
11877 Remove INTRmode and INTR_REGNUM, which didn't work.
11878 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
11879 of INTR_REGNUM.
11880 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
11881 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
11882 peephole2 pattern): Don't use INTR or 131.
11883 (movintrcc): Delete.
11884 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
11885 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
11886 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
11887 (UNSPEC_SET_INTR): Add.
11888 * config/spu/spu-modes.def (INTR): Remove.
11889
11890 More accurate warnings about run-time relocations.
11891 * config/spu/spu.c (reloc_diagnostic): Test in_section.
11892
11893 Correctly warn about immediate arguments to specific intrinsics.
11894 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
11895 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
11896 the instruction predicate.
11897
11898 Fix tree check errors with latest update.
11899 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
11900 CALL_EXPR_ARG.
11901 (spu_expand_builtin): Use CALL_EXPR_FN.
11902
11903 Add missing specific intrinsics.
11904 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
11905 si_bislede.
11906 * config/spu/spu_internals.h: Ditto.
11907
11908 Fix incorrect operand modifiers.
11909 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
11910 * config/spu/spu.md (xor<mode>3): Change %S to %J.
11911
11912 Optimize one case of zero_extend of a vec_select.
11913 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
11914
11915 Accept any immediate for hbr.
11916 * config/spu/spu.md (hbr): Change s constraints to i.
11917
11918 2007-02-21 Paul Brook <paul@codesourcery.com>
11919
11920 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
11921 condexec_count when skipping USE and CLOBBER.
11922
11923 2007-02-21 Nick Clifton <nickc@redhat.com>
11924
11925 * common.opt (Warray-bounds): Add Warning attribute.
11926 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
11927 Likewise.
11928 (fsized-zeroes): Add Optimization attribute.
11929 (fsplit-wide-types, ftree-scev-cprop): Likewise.
11930 * c.opt (Wc++0x-compat): Add Warning attribute.
11931
11932 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
11933
11934 PR middle-end/30761
11935 * reload1.c (eliminate_regs_in_insn): In the single_set special
11936 case, attempt to re-recognize the insn before falling back to
11937 having reload fix it up.
11938
11939 2007-02-20 Eric Christopher <echristo@gmail.com>
11940
11941 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
11942 Rewrite accordingly.
11943 (frv_read_iacc_argument): Ditto.
11944 (frv_expand_set_builtin): Take a call instead of arglist, update for
11945 above changes.
11946 (frv_expand_unop_builtin): Ditto.
11947 (frv_expand_binop_builtin): Ditto.
11948 (frv_expand_cut_builtin): Ditto.
11949 (frv_expand_binopimm_builtin): Ditto.
11950 (frv_expand_voidbinop_builtin): Ditto.
11951 (frv_expand_int_void2arg): Ditto.
11952 (frv_expand_prefetches): Ditto.
11953 (frv_expand_voidtriop_builtin): Ditto.
11954 (frv_expand_voidaccop_builtin): Ditto.
11955 (frv_expand_load_builtin): Ditto.
11956 (frv_expand_store_builtin): Ditto.
11957 (frv_expand_mdpackh_builtin): Ditto.
11958 (frv_expand_mclracc_builtin): Ditto.
11959 (frv_expand_mrdacc_builtin): Ditto.
11960 (frv_expand_mwtacc_builtin): Ditto.
11961 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
11962 calls for above.
11963
11964 2007-02-20 Janis Johnson <janis187@us.ibm.com>
11965
11966 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
11967 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
11968 cmpb instruction.
11969 (HAVE_GAS_DFP): Check for assembler support of decimal floating
11970 point instructions.
11971 * configure: Regenerate.
11972 * config.in: Regenerate.
11973 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
11974 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
11975 masks to power6 and power6x and to POWERPC_MASKS.
11976 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
11977 _ARCH_PWR6.
11978 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
11979 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
11980 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
11981 Access PROTOTYPE as variable, not mask.
11982
11983 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
11984
11985 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
11986 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
11987 * combine.c (adjust_for_new_dest): Use it.
11988 * postreload.c (reload_combine): Likewise.
11989
11990 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
11991
11992 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
11993 notes on an insn with multiple sets, even if single_set returns
11994 non-NULL for that insn.
11995
11996 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11997
11998 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
11999 scalbn and scalbln.
12000
12001 2007-02-20 Geoffrey Keating <geoffk@apple.com>
12002
12003 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
12004 if user didn't pass it.
12005 * config/i386/darwin.h (CC1_SPEC): Likewise.
12006 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
12007 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
12008 -mmacosx-version-min.
12009
12010 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12011 Uros Bizjak <ubizjak@gmail.com>
12012
12013 * optabs.h (enum optab_index): Add new OTI_scalb.
12014 (scalb_optab): Define corresponding macro.
12015 * optabs.c (init_optabs): Initialize scalb_optab.
12016 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
12017 patterns.
12018 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
12019 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
12020 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12021 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
12022 flag_unsafe_math_optimizations is set.
12023
12024 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
12025 to implement scalbf, scalb and scalbl built-ins as inline x87
12026 intrinsics.
12027
12028 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12029 DJ Delorie <dj@redhat.com>
12030
12031 PR other/30824
12032 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
12033 (diagnostic_report_diagnostic): ... here, and turn them into real
12034 errors. If warnings are inhibited, no need to do anything.
12035
12036 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
12037
12038 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
12039 better code generation.
12040
12041 2007-02-20 Ben Elliston <bje@au.ibm.com>
12042
12043 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
12044
12045 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
12046
12047 * config/alpha/alpha.c, config/alpha/alpha.md,
12048 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
12049 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
12050 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
12051 config/arm/lib1funcs.asm: Follow spelling conventions.
12052
12053 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
12054 config/fr30/fr30.md, config/i386/i386.h,
12055 config/iq2000/iq2000.h, config/iq2000/predicates.md,
12056 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
12057 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
12058 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
12059 config/rs6000/altivec.md, config/rs6000/rs6000.c,
12060 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
12061 config/sparc/sparc.c, config/sparc/sparc.h,
12062 config/sparc/sparc.md, config/spu/constraints.md,
12063 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
12064 conventions.
12065
12066 2007-02-20 Alan Modra <amodra@bigpond.net.au>
12067
12068 PR target/29943
12069 * varasm.c (use_blocks_for_decl_p): Return false for decls with
12070 alias attribute.
12071
12072 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12073
12074 * doc/invoke.texi (-ftree-lrs): Remove.
12075
12076 2007-02-19 Diego Novillo <dnovillo@redhat.com>
12077
12078 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
12079 NULL.
12080
12081 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
12082
12083 * config/ia64/ia64.c (ia64_expand_builtin): Use the
12084 new CALL_EXPR_FN macro for retrieving the function
12085 declaration of the input expression.
12086
12087 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12088
12089 * c.opt (Waddress): New.
12090 * common.opt (Walways-true): Delete.
12091 (Wstring-literal-comparison): Delete.
12092 * doc/invoke.texi (Warning Options): Delete -Walways-true and
12093 -Wstring-literal-comparison. Add -Waddress.
12094 (Waddress): New.
12095 (Walways-true): Delete.
12096 (Wstring-literal-comparison): Delete.
12097 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12098 consistently instead of -Walways-true in example.
12099 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
12100 * c-typeck.c (parser_build_binary_op): Replace
12101 -Wstring-literal-comparison and -Walways-true with -Waddress.
12102 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
12103 with -Waddress.
12104
12105 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12106
12107 * tree-cfg.c (dump_function_to_file): Be prepared for functions
12108 without DECL_STRUCT_FUNCTION initialized.
12109
12110 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12111
12112 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
12113 due to calls to functions taking pointers as parameters.
12114
12115 2007-02-19 Richard Henderson <rth@redhat.com>
12116
12117 PR debug/29558
12118 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
12119 in memory.
12120
12121 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
12122
12123 * config/s390/s390.c (s390_call_saved_register_used,
12124 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
12125 accessed to the new scheme.
12126
12127 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12128
12129 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
12130 (cris_print_index, cris_print_operand, cris_print_operand_address)
12131 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
12132 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
12133 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
12134 GET_CODE () == xxx.
12135 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
12136 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
12137 GO_IF_LEGITIMATE_ADDRESS): Ditto.
12138 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
12139 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
12140 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
12141 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
12142 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
12143 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
12144 (uminsi3, call, call_value): Ditto.
12145 (define_split: indir_to_reg_split, unnamed): Ditto.
12146
12147 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
12148
12149 PR tree-optimization/30975
12150 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
12151 wrong assert.
12152
12153 2007-02-18 Eric Christopher <echristo@gmail.com>
12154
12155 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
12156 Remove use of arglist.
12157 (mips_expand_builtin): Remove use of arglist, pass in expr.
12158 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
12159 (mips_expand_builtin_movtf): Ditto.
12160 (mips_expand_builtin_compare): Ditto.
12161
12162 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12163
12164 * tree-sra.c (sra_build_assignment): Replace assertion
12165 checking with a comment explaining why it can't be done.
12166
12167 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12168
12169 PR middle-end/30833
12170 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
12171 during CALL_EXPR representation conversion.
12172 * tree-ssa-propagate.c (set_rhs): Likewise.
12173
12174 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12175
12176 * tree-sra.c (sra_build_assignment): Disable assertion checking
12177 for now.
12178
12179 2007-02-18 Roger Sayle <roger@eyesopen.com>
12180
12181 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
12182 instead of calling build2 with a GIMPLE_MODIFY_STMT.
12183 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
12184 Likewise.
12185 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
12186 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
12187 gimplify_init_ctor_eval_range, gimple_push_cleanup,
12188 gimplify_omp_for, gimplify_omp_atomic_pipeline,
12189 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
12190 force_gimple_operand): Likewise.
12191 * ipa-cp.c (constant_val_insert): Likewise.
12192 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12193 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
12194 perfect_nestify): Likewise.
12195 * langhooks.c (lhd_omp_assignment): Likewise.
12196 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
12197 lower_copyprivate_clauses, lower_send_clauses,
12198 lower_send_shared_vars, expand_parallel_call,
12199 expand_omp_for_generic, expand_omp_for_static_nochunk,
12200 expand_omp_for_static_chunk, expand_omp_sections,
12201 lower_omp_single_copy, lower_omp_for_lastprivate,
12202 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
12203 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
12204 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
12205 Likewise.
12206
12207 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12208
12209 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
12210 config/sh/sh.md: Follow spelling conventions.
12211
12212 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
12213 config/frv/predicates.md: Follow spelling conventions.
12214
12215 * config/m68k/linux-unwind.h: Fix a comment typo.
12216 * target.h: Follow spelling conventions.
12217
12218 2007-02-18 Roger Sayle <roger@eyesopen.com>
12219
12220 PR rtl-optimization/28173
12221 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
12222 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
12223 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
12224 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
12225 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
12226
12227 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12228
12229 * builtins.c (fold_builtin_load_exponent): New.
12230 (fold_builtin_2): Use it.
12231
12232 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
12233
12234 PR rtl-optimization/30773
12235 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
12236 if we fail to attach a REG_EQUIV note.
12237
12238 2007-02-18 David Edelsohn <edelsohn@gnu.org>
12239 Roger Sayle <roger@eyesopen.com>
12240
12241 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
12242
12243 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12244
12245 * calls.c (initialize_argument_information): Pass original EXP
12246 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
12247 code to split complex arguments here, as part of initializing the
12248 ARGS array.
12249 (expand_call): Remove code that builds a list of arguments and
12250 inserts implicit arguments into it. Instead, just count how many
12251 implicit arguments there will be so we can determine the size of
12252 the ARGS array, and let initialize_argument_information do the work.
12253 (split_complex_values): Delete unused function.
12254
12255 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12256
12257 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
12258
12259 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12260
12261 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
12262 for arg pointer based indexed addressing.
12263
12264 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12265
12266 * config/ia64/ia64.h, config/ia64/ia64.md,
12267 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
12268 spelling conventions.
12269
12270 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12271
12272 * config/m68k/m68k.c (split_di): New.
12273 * config/m68k/m68k-protos.h: Declare split_di.
12274 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
12275 Improve predicate handling and split constant shifts.
12276
12277 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12278
12279 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
12280 parameter for register bitfield operations, general predicates
12281 cleanup
12282
12283 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12284
12285 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
12286 * config/m68k/linux-unwind.h: New file.
12287
12288 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12289
12290 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
12291 config/i386/athlon.md, config/ia64/ia64.md,
12292 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
12293 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
12294 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
12295 tree-ssa-loop-niter.c, tree-vect-analyze.c,
12296 tree-vect-transform.c: Fix comment typos.
12297
12298 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
12299
12300 * sched-deps.c (find_insn_list): Remove.
12301 * sched-int.h: Remove the prototype for find_insn_list.
12302
12303 2007-02-16 Geoffrey Keating <geoffk@apple.com>
12304
12305 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
12306 to linker.
12307 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
12308 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
12309 darwin_rs6000_override_options.
12310 (C_COMMON_OVERRIDE_OPTIONS): Expect
12311 darwin_macosx_version_min to be non-NULL always.
12312 (TARGET_C99_FUNCTIONS): Likewise.
12313 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
12314 (DARWIN_MINVERSION_SPEC): New.
12315 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
12316 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
12317 to cc1*.
12318 (DARWIN_MINVERSION_SPEC): New.
12319 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
12320 value.
12321 * config/darwin-c.c (darwin_cpp_builtins): Expect
12322 darwin_macosx_version_min to be non-NULL always.
12323
12324 * config/rs6000/rs6000.c: Clean up trailing whitespace.
12325
12326 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
12327
12328 * config/i386/i386.h (x86_use_xchgb): New.
12329 (TARGET_USE_XCHGB): New macro.
12330 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
12331 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
12332 Split after reload into bswaphi for shifts of 8.
12333 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
12334 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
12335 or when optimizing for size.
12336
12337 2007-02-16 Richard Guenther <rguenther@suse.de>
12338 Christian Bruel <christian.bruel@st.com>
12339
12340 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
12341 DECLs but prefer SSA_NAMEs over DECLs.
12342
12343 2007-02-16 Richard Guenther <rguenther@suse.de>
12344
12345 * tree-flow-inline.h (single_imm_use_p): Remove.
12346 (zero_imm_uses_p): Likewise.
12347 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
12348 instead of single_imm_use_p.
12349 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
12350 zero_imm_uses_p.
12351
12352 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12353
12354 PR other/27843
12355 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
12356 nested double- and backquotes.
12357
12358 2007-02-15 Roger Sayle <roger@eyesopen.com>
12359
12360 PR middle-end/30391
12361 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
12362 should be unreachable.
12363 (build2_stat): Allow construction of MODIFY_EXPR at any time.
12364 For the time being redirect GIMPLE_MODIFY_STMT to the new
12365 (renamed) build_gimple_modify_stmt_stat.
12366 (build2_gimple_stat): Rename to...
12367 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
12368 Always build a GIMPLE_MODIFY_STMT node.
12369 * tree.h (build2_gimple, build2_gimple_stat): Delete.
12370 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
12371 declarations.
12372
12373 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
12374 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
12375 * tree-complex.c (set_component_ssa_name, expand_complex_move,
12376 expand_complex_div_wide): Likewise.
12377 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
12378 * tree-ssa-loop-im.c (schedule_sm): Likewise.
12379 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
12380 * tree-ssa-loop-manip.c (create_iv): Likewise.
12381 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
12382 abs_replacement): Likewise.
12383 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
12384 realify_fake_stores): Likewise.
12385
12386 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
12387 node rather than a GIMPLE_MODIFY_STMT node.
12388 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
12389 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
12390 Likewise.
12391 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
12392 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
12393 GIMPLE_MODIFY_STMT.
12394
12395 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12396
12397 PR middle-end/30433
12398 * fold-const.c (fold_comparison): Add back the
12399 folding of constant complex comparisions.
12400
12401 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12402
12403 PR middle-end/30729
12404 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
12405 effects unknown to this function, return early.
12406
12407 2007-02-15 Ian Lance Taylor <iant@google.com>
12408
12409 * lower-subreg.c (move_eh_region_note): New static function.
12410 (resolve_simple_move): Call it.
12411 (decompose_multiword_subregs): Track blocks for which we resolve a
12412 simple move which is also a control flow insn. Pass them to
12413 find_many_sub_basic_blocks.
12414 (pass_lower_subreg): Add TODO_verify_flow.
12415 (pass_lower_subreg2): Likewise.
12416
12417 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12418 Brooks Moses <brooks.moses@codesourcery.com>
12419 Lee Millward <lee.millward@codesourcery.com>
12420
12421 * tree.h (enum tree_code_class): Add tcc_vl_exp.
12422 (VL_EXP_CLASS_P): New.
12423 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
12424 TREE_CODE_LENGTH.
12425 (TREE_OPERAND_CHECK_CODE): Likewise.
12426 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
12427 (TREE_RTL_OPERAND_CHECK): Likewise.
12428 (tree_operand_check_failed): Make second parameter the whole tree
12429 instead of its code. Fixed callers.
12430 (VL_EXP_CHECK): New.
12431 (TREE_OPERAND_LENGTH): New.
12432 (VL_EXP_OPERAND_LENGTH): New.
12433 (CALL_EXPR_FN): New.
12434 (CALL_EXPR_STATIC_CHAIN): New.
12435 (CALL_EXPR_ARGS): New.
12436 (CALL_EXPR_ARG): New.
12437 (call_expr_nargs): New.
12438 (CALL_EXPR_ARGP): New.
12439 (build_nt_call_list): Declare.
12440 (build_vl_exp_stat): Declare.
12441 (build_vl_exp): New.
12442 (build_call_list): Declare.
12443 (build_call_nary): Declare.
12444 (build_call_valist): Declare.
12445 (build_call_array): Declare.
12446 (call_expr_arg): Declare.
12447 (call_expr_argp): Declare.
12448 (call_expr_arglist): Declare.
12449 (fold_build_call_list): Declare.
12450 (fold_build_call_list_initializer): Declare.
12451 (fold_call_expr): Declare to replace fold_builtin.
12452 (fold_builtin_fputs): Update to agree with modified definition.
12453 (fold_builtin_strcpy): Likewise.
12454 (fold_builtin_strncpy): Likewise.
12455 (fold_builtin_memory_chk): Likewise.
12456 (fold_builtin_stxcpy_chk): Likewise.
12457 (fold_builtin_strncpy_chk): Likewise.
12458 (fold_builtin_next_arg): Likewise.
12459 (fold_build_call_expr): Declare.
12460 (fold_builtin_call_list): Declare.
12461 (fold_builtin_call_valist): Declare.
12462 (build_call_expr): Declare.
12463 (validate_arglist): Update to agree with modified definition.
12464 (tree_operand_length): New.
12465 (call_expr_arg_iterator): New.
12466 (init_call_expr_arg_iterator): New.
12467 (next_call_expr_arg): New.
12468 (first_call_expr_arg): New.
12469 (more_call_expr_args_p): New.
12470 (FOR_EACH_CALL_EXPR_ARG): New.
12471
12472 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
12473 and tcc_gimple_stmt.
12474 (tree_code_size): Update documentation. Use sizeof (tree) rather
12475 than sizeof (char *).
12476 (tree_size): Likewise. Add case for tcc_vl_exp.
12477 (tree_node_structure): Add case for tcc_vl_exp.
12478 (contains_placeholder_p): Likewise.
12479 (substitute_in_expr): Likewise.
12480 (substitute_placeholder_in_expr): Likewise.
12481 (stabilize_reference_1): Likewise.
12482 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
12483 to diagnose breakage of this interface for constructing CALL_EXPRs.
12484 (build_nt): Add similar assertion here.
12485 (build_nt_call_list): New.
12486 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
12487 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
12488 TREE_CODE_LENGTH.
12489 (get_callee_fndecl): Use new CALL_EXPR accessors.
12490 (tree_operand_check_failed): Change parameters to pass entire node
12491 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
12492 (process_call_operands): New.
12493 (build_vl_exp_stat): New.
12494 (build_call_list): New.
12495 (build_call_nary): New.
12496 (build_call_valist): New.
12497 (build_call_array): New.
12498 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12499 (call_expr_arglist): New.
12500
12501 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
12502 tcc_vl_exp instead of a fixed-size tcc_expression.
12503
12504 * doc/c-tree.texi (CALL_EXPR): Document new representation and
12505 accessors for CALL_EXPRs.
12506 (AGGR_INIT_EXPR): Likewise.
12507
12508 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12509 Brooks Moses <brooks.moses@codesourcery.com>
12510 Lee Millward <lee.millward@codesourcery.com>
12511
12512 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
12513 (expand_builtin_nonlocal_goto): Change parameter to be entire
12514 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
12515 (expand_builtin_prefetch): Likewise.
12516 (expand_builtin_classify_type): Likewise.
12517 (mathfn_built_in): Return NULL_TREE instead of 0.
12518 (expand_errno_check): Use new CALL_EXPR accessors.
12519 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
12520 Return NULL_RTX instead of 0.
12521 (expand_builtin_mathfn_2): Likewise.
12522 (expand_builtin_mathfn_3): Likewise.
12523 (expand_builtin_interclass_mathfn): Likewise.
12524 (expand_builtin_sincos): Likewise.
12525 (expand_builtin_cexpi): Likewise.
12526 (expand_builtin_int_roundingfn): Likewise.
12527 (expand_builtin_int_roundingfn_2): Likewise.
12528 (expand_builtin_pow): Likewise.
12529 (expand_builtin_powi): Likewise.
12530 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
12531 of arglist, fixing callers appropriately. Use new CALL_EXPR
12532 accessors and constructors. Return NULL_RTX instead of 0.
12533 (expand_builtin_strstr): Likewise.
12534 (expand_builtin_strchr): Likewise.
12535 (expand_builtin_strrchr): Likewise.
12536 (expand_builtin_strpbrk): Likewise.
12537 (expand_builtin_memcpy): Likewise.
12538 (expand_builtin_mempcpy): Likewise.
12539 (expand_builtin_mempcpy_args): New.
12540 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
12541 (expand_builtin_memmove_args): New.
12542 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
12543 (expand_movstr): Likewise.
12544 (expand_builtin_strcpy): Likewise.
12545 (expand_builtin_strcpy_args): New.
12546 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
12547 (expand_builtin_strncpy): Likewise.
12548 (expand_builtin_memset): Likewise.
12549 (expand_builtin_memset_args): New.
12550 (expand_builtin_bzero): Similarly to expand_builtin_memset.
12551 (expand_builtin_memcmp): Likewise.
12552 (expand_builtin_strcmp): Likewise.
12553 (expand_builtin_strncmp): Likewise.
12554 (expand_builtin_strcat): Likewise.
12555 (expand_builtin_strncat): Likewise.
12556 (expand_builtin_strspn): Likewise.
12557 (expand_builtin_strcspn): Likewise.
12558 (expand_builtin_args_info): Likewise.
12559 (expand_builtin_va_start): Likewise.
12560 (gimplify_va_arg_expr): Likewise.
12561 (expand_builtin_va_end): Likewise.
12562 (expand_builtin_va_copy): Likewise.
12563 (expand_builtin_frame_address): Likewise.
12564 (expand_builtin_alloca): Likewise.
12565 (expand_builtin_bswap): Likewise.
12566 (expand_builtin_unop): Likewise.
12567 (expand_builtin_fputs): Likewise.
12568 (expand_builtin_expect): Likewise.
12569 (expand_builtin_fabs): Likewise.
12570 (expand_builtin_copysign): Likewise.
12571 (expand_builtin_printf): Likewise.
12572 (expand_builtin_fprintf): Likewise.
12573 (expand_builtin_sprintf): Likewise.
12574 (expand_builtin_init_trampoline): Likewise.
12575 (expand_builtin_signbit): Likewise.
12576 (expand_builtin_fork_or_exec): Likewise.
12577 (expand_builtin_sync_operation): Likewise.
12578 (expand_builtin_compare_and_swap): Likewise.
12579 (expand_builtin_lock_test_and_set): Likewise.
12580 (expand_builtin_lock_release): Likewise.
12581 (expand_builtin): Likewise.
12582 (builtin_mathfn_code): Likewise.
12583
12584 (fold_builtin_constant_p): Pass call arguments individually instead
12585 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12586 accessors and constructors. Return NULL_TREE instead of 0.
12587 (fold_builtin_expect): Likewise.
12588 (fold_builtin_classify_type): Likewise.
12589 (fold_builtin_strlen): Likewise.
12590 (fold_builtin_nan): Likewise.
12591 (integer_valued_real_p): Likewise.
12592 (fold_trunc_transparent_mathfn): Likewise.
12593 (fold_fixed_mathfn): Likewise.
12594 (fold_builtin_cabs): Likewise.
12595 (fold_builtin_sqrt): Likewise.
12596 (fold_builtin_cbrt): Likewise.
12597 (fold_builtin_cos): Likewise.
12598 (fold_builtin_cosh): Likewise.
12599 (fold_builtin_tan): Likewise.
12600 (fold_builtin_sincos): Likewise.
12601 (fold_builtin_cexp): Likewise.
12602 (fold_builtin_trunc): Likewise.
12603 (fold_builtin_floor): Likewise.
12604 (fold_builtin_ceil): Likewise.
12605 (fold_builtin_round): Likewise.
12606 (fold_builtin_int_roundingfn): Likewise.
12607 (fold_builtin_bitop): Likewise.
12608 (fold_builtin_bswap): Likewise.
12609 (fold_builtin_logarithm): Likewise.
12610 (fold_builtin_hypot): Likewise.
12611 (fold_builtin_pow): Likewise.
12612 (fold_builtin_powi): Likewise.
12613 (fold_builtin_exponent): Likewise.
12614 (fold_builtin_memset): Likewise.
12615 (fold_builtin_bzero): Likewise.
12616 (fold_builtin_memory_op): Likewise.
12617 (fold_builtin_bcopy): Deleted; call site changed to invoke
12618 fold_builtin_memory_op directly.
12619 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
12620 (fold_builtin_strncpy): Likewise.
12621 (fold_builtin_memcmp): Likewise.
12622 (fold_builtin_strcmp): Likewise.
12623 (fold_builtin_strncmp): Likewise.
12624 (fold_builtin_signbit): Likewise.
12625 (fold_builtin_copysign): Likewise.
12626 (fold_builtin_isascii): Likewise.
12627 (fold_builtin_toascii): Likewise.
12628 (fold_builtin_isdigit): Likewise.
12629 (fold_builtin_fabs): Likewise.
12630 (fold_builtin_abs): Likewise.
12631 (fold_builtin_fmin_fmax): Likewise.
12632 (fold_builtin_carg): Likewise.
12633 (fold_builtin_classify): Likewise.
12634 (fold_builtin_unordered_cmp): Likewise.
12635
12636 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
12637 New functions split out from fold_builtin_1.
12638 (fold_builtin_n): New.
12639 (fold_builtin_varargs): New.
12640 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
12641 instead.
12642 (fold_call_expr): New.
12643 (build_function_call_expr): Rewrite to use new helper function.
12644 (fold_builtin_call_list): New.
12645 (build_call_expr): New.
12646 (fold_builtin_call_valist): New.
12647 (rewrite_call_expr): New.
12648 (validate_arg): New.
12649 (validate_arglist): Change parameter to be entire CALL_EXPR instead
12650 of an arglist. Change return type to bool. Use new CALL_EXPR
12651 accessors.
12652
12653 (fold_builtin_strstr): Pass call arguments individually instead
12654 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12655 accessors and constructors. Return NULL_TREE instead of 0.
12656 (fold_builtin_strchr): Likewise.
12657 (fold_builtin_strrchr): Likewise.
12658 (fold_builtin_strpbrk): Likewise.
12659 (fold_builtin_strcat): Likewise.
12660 (fold_builtin_strncat): Likewise.
12661 (fold_builtin_strspn): Likewise.
12662 (fold_builtin_strcspn): Likewise.
12663 (fold_builtin_fputs): Likewise.
12664 (fold_builtin_next_arg): Likewise.
12665 (fold_builtin_sprintf): Likewise.
12666
12667 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
12668 NULL_RTX instead of 0.
12669 (expand_builtin_memory_chk): Likewise.
12670 (maybe_emit_chk_warning): Likewise.
12671 (maybe_emit_sprintf_chk_warning): Likewise.
12672
12673 (fold_builtin_object_size): Pass call arguments individually instead
12674 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
12675 accessors and constructors. Return NULL_TREE instead of 0.
12676 (fold_builtin_memory_chk): Likewise.
12677 (fold_builtin_stxcpy_chk): Likewise.
12678 (fold_builtin_strncpy_chk): Likewise.
12679 (fold_builtin_strcat_chk): Likewise.
12680 (fold_builtin_strcat_chk): Likewise.
12681 (fold_builtin_strncat_chk): Likewise.
12682 (fold_builtin_sprintf_chk): Likewise.
12683 (fold_builtin_snprintf_chk): Likewise.
12684 (fold_builtin_printf): Likewise.
12685 (fold_builtin_vprintf): Likewise.
12686
12687 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
12688 constructors.
12689 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
12690 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12691 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
12692 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
12693 (fold_unary): Likewise.
12694 (fold_binary): Likewise.
12695 (fold_ternary): Remove CALL_EXPR case, since they are no longer
12696 ternary expressions.
12697 (fold): Add logic for tcc_vl_exp.
12698 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
12699 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12700 (fold_build3_stat): Add assertion to flag broken interface for
12701 constructing CALL_EXPRs.
12702 (fold_build_call_list): New.
12703 (fold_build_call_list_initializer): New.
12704 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
12705 constructors.
12706 (fold_strip_sign_ops): Likewise.
12707
12708 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12709 Brooks Moses <brooks.moses@codesourcery.com>
12710 Lee Millward <lee.millward@codesourcery.com>
12711
12712 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
12713 accessors and dump arguments explicitly.
12714
12715 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
12716 TREE_CODE_LENGTH.
12717 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
12718 explicitly.
12719 (print_call_name): Use new CALL_EXPR accessors.
12720
12721 * print-tree.c (print_node): Add case tcc_vl_exp. Print
12722 CALL_EXPR arguments explicitly instead of as a list. Use
12723 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12724
12725 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
12726 (vrp_visit_stmt): Likewise.
12727
12728 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
12729 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
12730 TREE_CODE_LENGTH.
12731 (force_move_till_expr): Likewise.
12732
12733 * targhooks.c (default_external_stack_protect_fail): Use
12734 build_call_expr instead of build_function_call_expr.
12735 (default_hidden_stack_protect_fail): Likewise.
12736
12737 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
12738 build the call.
12739
12740 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
12741 and walk arguments explicitly.
12742
12743 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
12744 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12745 (expand_simple_operations): Likewise.
12746 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
12747
12748 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
12749 of TREE_CODE_LENGTH.
12750 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
12751
12752 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
12753 instead of TREE_CODE_LENGTH.
12754
12755 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
12756 (tree_ic_transform): Likewise.
12757 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
12758 parameter instead of arglist. Fix callers.
12759 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
12760 (tree_stringops_transform): Likewise.
12761 (tree_indirect_call_to_profile): Likewise.
12762 (tree_stringops_values_to_profile): Likewise.
12763
12764 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
12765 (eliminate_tail_call): Likewise.
12766
12767 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
12768
12769 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
12770 Use TREE_OPERAND_LENGTH and generalize to handle any number of
12771 operands.
12772 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
12773
12774 * omp-low.c (build_omp_barrier): Use build_call_expr.
12775 (lower_rec_input_clauses): Likewise.
12776 (lower_reduction_clauses): Likewise.
12777 (expand_parallel_call): Likewise.
12778 (maybe_catch_exception): Likewise.
12779 (expand_omp_for_generic): Likewise.
12780 (expand_omp_for_static_nochunk): Likewise.
12781 (expand_omp_sections): Likewise.
12782 (lower_omp_single_simple): Likewise.
12783 (lower_omp_single_copy): Likewise.
12784 (lower_omp_master): Likewise.
12785 (lower_omp_ordered): Likewise.
12786 (lower_omp_critical): Likewise.
12787
12788 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
12789 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
12790
12791 * tree-gimple.c (is_gimple_call_addr): Fix doc.
12792 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
12793 TREE_CODE_LENGTH. Add tcc_vl_exp case.
12794
12795 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
12796 and generalize to handle any number of operands.
12797 (chrec_contains_undetermined): Likewise.
12798 (tree_contains_chrecs): Likewise.
12799 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
12800
12801 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
12802
12803 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
12804 fold_call_expr instead of fold_builtin.
12805 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
12806 match declarations there.
12807 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
12808 updates.
12809
12810 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
12811 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12812
12813 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
12814 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
12815
12816 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
12817 accessors.
12818
12819 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
12820 (execute_cse_sincos): Use new CALL_EXPR accessors.
12821
12822 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
12823
12824 * gimple-low.c (lower_function_body): Use build_call_expr.
12825 (lower_builtin_setjmp): Likewise.
12826
12827 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
12828 (set_storage_via_libcall): Likewise.
12829 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
12830 instead of TREE_CODE_LENGTH.
12831 (expand_expr_real_1): Use new CALL_EXPR accessors.
12832
12833 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
12834 generalize to handle any number of operands.
12835 (TB_parent_eq): Likewise.
12836
12837 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
12838 (strip_builtin_expect): Likewise.
12839
12840 * function.c (gimplify_parameters): Use build_call_expr.
12841
12842 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
12843 instead of TREE_CODE_LENGTH.
12844
12845 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
12846 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
12847
12848 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
12849 iterators.
12850
12851 * gimplify.c (build_stack_save_restore): Use build_call_expr.
12852 (gimplify_decl_expr): Likewise.
12853 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
12854 Use new CALL_EXPR iterators.
12855 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
12856 (gimplify_modify_expr_to_memset): Likewise.
12857 (gimplify_variable_sized_compare): Likewise.
12858 (gimplify_omp_atomic_fetch_op): Likewise.
12859 (gimplify_omp_atomic_pipeline): Likewise.
12860 (gimplify_omp_atomic_mutex): Likewise.
12861 (gimplify_function_tree): Likewise.
12862
12863 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
12864 (call_expr_flags): Likewise.
12865 (expand_call): Likewise.
12866
12867 * except.c (expand_builtin_eh_return_data_regno): Pass entire
12868 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
12869 accessors.
12870
12871 * coverage.c (create_coverage): Use build_call_expr.
12872
12873 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
12874 (temp_call_expr_obstack): New.
12875 (pool_copy_list): Delete.
12876 (temp_copy_call_expr): New.
12877 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
12878 CALL_EXPR accessors. Get rid of special goo for copying argument
12879 lists and use temp_copy_call_expr instead.
12880 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
12881 CALL_EXPR accessors.
12882 (create_expression_by_pieces): Likewise. Use build_call_array
12883 to construct the result instead of fold_build3.
12884 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
12885 dealing with argument lists.
12886 (init_pre): Remove references to expression_node_pool and
12887 list_node_pool. Init temp_call_expr_obstack instead.
12888 (fini_pre): Remove references to expression_node_pool and
12889 list_node_pool.
12890
12891 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
12892 and walk arguments explicitly instead of as a list.
12893
12894 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
12895 (mx_register_decls): Likewise.
12896 (mudflap_register_call): Likewise.
12897 (mudflap_finish_file): Likewise.
12898
12899 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
12900 (ipa_callsite_compute_param): Likewise.
12901
12902 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
12903 accessors and constructor.
12904
12905 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
12906 accessors and constructor.
12907 (convert_tramp_reference): Likewise.
12908 (convert_call_expr): Likewise.
12909 (finalize_nesting_tree_1): Likewise.
12910
12911 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
12912 accessors.
12913
12914 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
12915
12916 * tree-inline.c (initialize_inlined_parameters): Pass entire
12917 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
12918 accessors.
12919 (estimate_num_insns_1): Use new CALL_EXPR accessors.
12920 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
12921
12922 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
12923 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12924 (vectorizable_reduction): Likewise.
12925 (vectorizable_call): Use new CALL_EXPR iterators.
12926 (vectorizable_conversion): Use build_call_expr.
12927 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
12928 (vect_gen_widened_results_half): Use build_call_expr.
12929 (vect_setup_realignment): Likewise.
12930 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
12931
12932 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
12933 (pass_through_call): Likewise.
12934 (compute_object_sizes): Likewise. Use fold_call_expr instead of
12935 fold_builtin.
12936
12937 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
12938 (tree_gen_pow2_profiler): Likewise.
12939 (tree_gen_one_value_profiler): Likewise.
12940 (tree_gen_ic_func_profiler): Likewise.
12941 (tree_gen_average_profiler): Likewise.
12942 (tree_gen_ior_profiler): Likewise.
12943
12944 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
12945 (find_func_aliases): Use new CALL_EXPR accessors. Add case
12946 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12947
12948 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
12949 of TREE_CODE_LENGTH.
12950
12951 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
12952 of TREE_CODE_LENGTH.
12953
12954 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
12955 constructor.
12956 (convert_to_integer): Likewise.
12957
12958 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
12959 accessors.
12960
12961 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12962 Brooks Moses <brooks.moses@codesourcery.com>
12963 Lee Millward <lee.millward@codesourcery.com>
12964
12965 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
12966 accessors.
12967 * config/frv/frv.c (frv_expand_builtin): Likewise.
12968 * config/s390/s390.c (s390_expand_builtin): Likewise.
12969
12970 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
12971 (sparc_expand_builtin): Use new CALL_EXPR accessors.
12972
12973 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
12974 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
12975 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
12976 (ix86_expand_store_builtin): Likewise.
12977 (ix86_expand_unop_builtin): Likewise.
12978 (ix86_expand_unop1_builtin): Likewise.
12979 (ix86_expand_sse_compare): Likewise.
12980 (ix86_expand_sse_comi): Likewise.
12981 (ix86_expand_vec_init_builtin): Likewise.
12982 (ix86_expand_vec_ext_builtin): Likewise.
12983 (ix86_expand_vec_set_builtin): Likewise.
12984 (ix86_expand_builtin): Use new CALL_EXPR accessors.
12985
12986 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
12987 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
12988
12989 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
12990 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
12991 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
12992
12993 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
12994 build_call_expr.
12995 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
12996 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
12997 arglist. Use new CALL_EXPR accessors. Fix callers.
12998 (altivec_expand_abs_builtin): Likewise.
12999 (rs6000_expand_binop_builtin): Likewise.
13000 (altivec_expand_predicate_builtin): Likewise.
13001 (altivec_expand_lv_builtin): Likewise.
13002 (spe_expand_stv_builtin): Likewise.
13003 (altivec_expand_stv_builtin): Likewise.
13004 (rs6000_expand_ternop_builtin): Likewise.
13005 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
13006 (altivec_expand_st_builtin): Likewise.
13007 (altivec_expand_dst_builtin): Likewise.
13008 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
13009 arglist. Use new CALL_EXPR accessors. Fix callers.
13010 (altivec_expand_vec_set_builtin): Likewise.
13011 (altivec_expand_vec_ext_builtin): Likewise.
13012 (altivec_expand_builtin): Use new CALL_EXPR accessors.
13013 (spe_expand_builtin): Likewise.
13014 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
13015 arglist. Use new CALL_EXPR accessors. Fix callers.
13016 (spe_expand_evsel_builtin): Likewise.
13017 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
13018 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
13019
13020 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
13021 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13022 (arm_expand_unop_builtin): Likewise.
13023 (arm_expand_builtin): Use new CALL_EXPR accessors.
13024
13025 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
13026 accessors.
13027
13028 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
13029 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13030 (bfin_expand_unop_builtin): Likewise.
13031 (bfin_expand_builtin): Use new CALL_EXPR accessors.
13032
13033 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13034 Brooks Moses <brooks.moses@codesourcery.com>
13035 Lee Millward <lee.millward@codesourcery.com>
13036
13037 * c-semantics.c (build_stmt): Add internal diagnostic check.
13038
13039 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
13040 accessors. Print arguments explicitly instead of as a list.
13041
13042 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
13043
13044 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
13045 (c_finish_omp_flish): Likewise.
13046
13047 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
13048 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
13049 instead of TREE_CODE_LENGTH.
13050 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
13051 (c_warn_unused_result): Likewise.
13052
13053 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13054
13055 PR c/26494
13056 * doc/invoke.texi (Warning Options): Remove
13057 -Werror-implicit-function-declaration.
13058 (Wimplicit-function-declaration): Update description.
13059 * opts.c (common_handle_option): Move handling of -Werror=* to...
13060 (enable_warning_as_error): ...here.
13061 * opts.h (enable_warning_as_error): Declare.
13062 * c-decl.c (implicit_decl_warning): Unless
13063 -Wno-implicit-function-declaration is given, emit a pedwarn if
13064 -std=c99 or emit a warning if -Wimplicit-function-declaration.
13065 * c.opt (Wimplicit-function-declaration): Replace
13066 mesg_implicit_function_declaration with
13067 warn_implicit_function_declaration.
13068 * c-opts.c (c_common_handle_option):
13069 -Werror-implicit-function-declaration is exactly equal as
13070 -Werror=implicit-function-declaration.
13071 (set_Wimplicit): Replace mesg_implicit_function_declaration with
13072 warn_implicit_function_declaration.
13073 (c_common_post_options): -Wimplict-function-declaration is enabled
13074 by default by -std=c99, otherwise is disabled by default.
13075 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
13076
13077 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13078
13079 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
13080 DECL on the rhs to a DECL on the lhs for debug info purposes if the
13081 former is ignored but not the latter.
13082
13083 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13084
13085 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
13086 is made and the reference doesn't use the alias set of its type,
13087 do not create the temporary using that type.
13088
13089 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
13090
13091 * jump.c: Remove prototypes for delete_computation and
13092 delete_prior_computation.
13093
13094 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13095
13096 * jump.c (get_label_after): Delete.
13097 (get_label_before, delete_computation, delete_jump,
13098 delete_prior_computation, follow_jumps): Move...
13099 * reorg.c (delete_computation, delete_prior_computation): ... here...
13100 (get_label_before, delete_jump): ... making these static ...
13101 (follow_jumps): ... and simplifying this since it only runs after
13102 reload.
13103 * rtl.h (get_label_after, get_label_before, delete_jump,
13104 follow_jumps): Delete prototypes.
13105
13106 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13107
13108 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
13109
13110 2007-02-15 Nick Clifton <nickc@redhat.com>
13111
13112 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
13113 order to prevent it from being munged by the target.
13114
13115 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
13116
13117 * config/i386/i386.md: Remove misleading comment.
13118
13119 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13120
13121 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
13122 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
13123 invalid patterns.
13124
13125 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13126
13127 * tree-sra.c (instantiate_missing_elements): Canonicalize
13128 bit-field types.
13129 (sra_build_assignment): New.
13130 (generate_copy_inout, generate_element_copy,
13131 generate_element_zero, generate_one_element_init): Use it.
13132
13133 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13134
13135 * tree-sra.c (instantiate_missing_elements): Canonicalize
13136 bit-field types.
13137 (sra_build_assignment): New.
13138 (generate_copy_inout, generate_element_copy,
13139 generate_element_zero, generate_one_element_init): Use it.
13140
13141 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13142
13143 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
13144 limbo die nodes.
13145
13146 2007-02-14 Joseph Myers <joseph@codesourcery.com>
13147
13148 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
13149 types as aggregates not scalars.
13150 * function.c (assign_stack_temp_for_type): Likewise.
13151
13152 2007-02-14 Roger Sayle <roger@eyesopen.com>
13153 Zdenek Dvorak <dvorakz@suse.cz>
13154
13155 * tree-dump.c (dump_switch_p_1): Require exact match of the option
13156 name.
13157
13158 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13159
13160 * passes.c (next_pass_1): Clear the next field of the copied
13161 pass structure.
13162
13163 2007-02-14 Richard Henderson <rth@redhat.com>
13164
13165 * tree-sra.c (early_sra): New.
13166 (decl_can_be_decomposed_p): Deny va_list if early_sra.
13167 (tree_sra_early, pass_sra_early): New.
13168 * tree-pass.h (pass_sra_early): Declare.
13169 * passes.c (init_optimization_passes): Use it.
13170
13171 2007-02-14 Richard Guenther <rguenther@suse.de>
13172
13173 * flags.h (issue_strict_overflow_warning): Convert to a macro.
13174
13175 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
13176
13177 PR tree-optimization/30771
13178 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
13179 also phi nodes.
13180 (vect_analyze_operations): Induction phis can now be marked as
13181 used_in_loop.
13182 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
13183 Update documentation accordingly.
13184
13185 2007-02-14 Nick Clifton <nickc@redhat.com>
13186
13187 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
13188 most 3 arguments are supported.
13189 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
13190
13191 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
13192
13193 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
13194 Ensure dst->current is valid.
13195
13196 2007-02-13 Paul Brook <paul@codesourcery.com>
13197
13198 * config.gcc: Add arm*-*-uclinux-*eabi.
13199 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
13200 (SUBTARGET_EXTRA_LINK_SPEC): Define.
13201 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
13202 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
13203 (LINK_SPEC): Define.
13204 (LIB_SPEC): Define.
13205 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
13206 register.
13207 * config/arm/uclinux-eabi.h: New file.
13208 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
13209 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
13210 based targets.
13211
13212 2007-02-13 Ian Lance Taylor <iant@google.com>
13213
13214 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
13215 * flags.h (warn_strict_overflow): Declare.
13216 (enum warn_strict_overflow_code): Define.
13217 (issue_strict_overflow_warning): New static inline function.
13218 * opts.c (warn_strict_overflow): New variable.
13219 (common_handle_option): Handle OPT_Wstrict_overflow and
13220 OPT_Wstrict_overflow_.
13221 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
13222 OPT_Wall.
13223 * fold-const.c: Include intl.h.
13224 (fold_deferring_overflow_warnings): New static variable.
13225 (fold_deferred_overflow_warning): New static variable.
13226 (fold_deferred_overflow_code): New static variable.
13227 (fold_defer_overflow_warnings): New function.
13228 (fold_undefer_overflow_warnings): New function.
13229 (fold_undefer_and_ignore_overflow_warnings): New function.
13230 (fold_deferring_overflow_warnings_p): New function.
13231 (fold_overflow_warning): New static function.
13232 (make_range): Add strict_overflow_p parameter. Change all
13233 callers.
13234 (extract_muldiv, extract_muldiv_1): Likewise.
13235 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
13236 tree_expr_nonnegative_p.
13237 (fold_negate_expr): Call fold_overflow_warning.
13238 (fold_range_test): Likewise.
13239 (fold_comparison): Likewise.
13240 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
13241 instead of tree_expr_nonnegative_p.
13242 (tree_expr_nonnegative_warnv_p): Rename from
13243 tree_expr_nonnegative_p, add strict_overflow_p parameter.
13244 (tree_expr_nonnegative_p): New function.
13245 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
13246 strict_overflow_p parameter.
13247 (tree_expr_nonzero_p): New function.
13248 * passes.c (verify_interpass_invariants): New static function.
13249 (execute_one_pass): Call it.
13250 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
13251 warnings.
13252 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
13253 (estimate_numbers_of_iterations): Likewise.
13254 (scev_probably_wraps_p): Likewise.
13255 * tree-ssa-ccp.c: Include "toplev.h".
13256 (evaluate_stmt): Defer fold overflow warnings until we know we are
13257 going to optimize.
13258 (struct fold_stmt_r_data): Add stmt field.
13259 (fold_stmt_r): Defer fold overflow warnings until we know we
13260 optimized.
13261 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
13262 (fold_stmt_inplace): Likewise.
13263 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
13264 (cleanup_control_expr_graph): Defer fold overflow warnings until
13265 we know we are going to optimize.
13266 * tree-cfg.c (fold_cond_expr_cond): Likewise.
13267 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
13268 Likewise.
13269 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
13270 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
13271 * tree-ssa-loop-manip.c (create_iv): Likewise.
13272 * c-typeck.c (build_conditional_expr): Likewise.
13273 (build_binary_op): Likewise.
13274 * tree-vrp.c (vrp_expr_computes_nonzero): Call
13275 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
13276 (extract_range_from_unary_expr): Likewise.
13277 * simplify-rtx.c (simplify_const_relational_operation): Warn when
13278 assuming that signed overflow does not occur.
13279 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
13280 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
13281 (fold_defer_overflow_warnings): Declare.
13282 (fold_undefer_overflow_warnings): Declare.
13283 (fold_undefer_and_ignore_overflow_warnings): Declare.
13284 (fold_deferring_overflow_warnings_p): Declare.
13285 (tree_expr_nonzero_warnv_p): Declare.
13286 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
13287 of warning options.
13288 (Warning Options): Document -Wstrict-overflow.
13289 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
13290 (tree-ssa-ccp.o): Likewise.
13291 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
13292 (fold-const.o): Depend on intl.h.
13293
13294 2007-02-13 Ian Lance Taylor <iant@google.com>
13295
13296 PR middle-end/30751
13297 * lower-subreg.c (resolve_simple_move): Decompose subregs in
13298 addresses.
13299
13300 2007-02-13 Stuart Hastings <stuart@apple.com>
13301
13302 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
13303
13304 2007-02-13 Richard Henderson <rth@redhat.com>
13305
13306 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
13307 handled_component_p before looking for the indirect_ref.
13308
13309 2007-02-13 Richard Henderson <rth@redhat.com>
13310
13311 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
13312 remove flags clobber.
13313 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
13314 (bswaphi_lowpart): New.
13315 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
13316 remove TARGET_BSWAP test. Delete expander of the same name.
13317
13318 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
13319 (expand_unop): Use them.
13320
13321 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
13322
13323 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
13324 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
13325 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
13326 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
13327 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
13328 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
13329 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
13330 assembler dialect choice from asm templates.
13331
13332 2007-02-12 Richard Henderson <rth@redhat.com>
13333
13334 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
13335 (fixuns_trunc<SSEMODEF>si2): Use it.
13336 * config/i386/sse.md (vec_setv4sf_0): Export.
13337 * config/i386/i386.c (ix86_build_const_vector): Export.
13338 (ix86_split_convert_uns_si_sse): Rename from
13339 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
13340 * config/i386/i386-protos.h: Update.
13341
13342 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13343
13344 PR c/29521
13345 * c-typeck.c (c_finish_return): Improve warning message.
13346
13347 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13348
13349 * alias.c (find_symbolic_term): Delete unused function.
13350
13351 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
13352
13353 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
13354 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
13355 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
13356
13357 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13358
13359 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
13360 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
13361 the function, temporarily point the debug interface to the null one.
13362
13363 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13364
13365 * dwarf2out.c (round_up_to_align): New static function.
13366 (field_byte_offset): Use it to round the offset.
13367
13368 2007-02-12 Richard Henderson <rth@redhat.com>
13369
13370 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
13371 (inswl_const): Export.
13372
13373 2007-02-12 Richard Henderson <rth@redhat.com>
13374
13375 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
13376 result mode of the libcall, convert back to outmode.
13377
13378 2007-02-12 Roger Sayle <roger@eyesopen.com>
13379
13380 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
13381 (bswapdi2): New define_expand to implement 32-bit implementation.
13382
13383 2007-02-12 Nick Clifton <nickc@redhat.com>
13384
13385 * doc/invoke.texi (Overall Options): Document --help=.
13386 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
13387 (cc1_options): Pass --help= on to cc1.
13388 (display_help): Add description of --help=.
13389 (process_command): Add code to handle --help=. Allow translated
13390 --help and --target-help switches to be passed on to compiler
13391 sub-process.
13392 (main): Remove unused if statement.
13393 * opts.c (columns): Remove.
13394 (LEFT_COLUMN): Define.
13395 (wrap_help): Add columns argument.
13396 (print_filtered_help): Change parameters to be an include bitmask,
13397 an exclude bitmask, an any bitmask and the column width. Move the
13398 code to display the params list here. Add code to display the
13399 status of options rather than their descriptions if the quiet flag
13400 is not active.
13401 (print_specific_help): Change parameters to be an include bitmask,
13402 an exclude bitmask and an any bitmask. Move code to look up the
13403 column width here. Decide upon the title for an options listing.
13404 (common_handle_options): Add code to handle --help=. Adapt code
13405 for --help and --target-help to use the revised form of the
13406 print_specific_help function.
13407 (print_help): Delete.
13408 (print_param_help): Delete.
13409 (print_switch): Delete.
13410 * opts.h (cl_lang_count): Add prototype.
13411 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
13412 CL_MAX_OPTION_CLASS): New defines.
13413 * optc-gen.awk: Add construction of cl_lang_count.
13414 * c.opt: Add Warning attribute to warning options and Optimization
13415 attribute to optimization options.
13416 * common.opt: Likewise.
13417 Add --help=.
13418 Add -fhelp and -ftarget-help as aliases for the transformed --help
13419 and --target-help options.
13420 * opt-functions.awk: Add code to handle Warning and Optimization
13421 attributes.
13422
13423 2007-02-12 Richard Henderson <rth@redhat.com>
13424
13425 * config/alpha/constraints.md: New file.
13426 * config/alpha/alpha.c: Include tm-constrs.h.
13427 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
13428 alpha_extra_constraint): Remove.
13429 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
13430 * config/alpha/alpha-protos.h: Update.
13431 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
13432 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
13433 (EXTRA_CONSTRAINT): Remove.
13434 * config/alpha/alpha.md: Include constraints.md.
13435 (adddi splitter): Use satisfies_constraint_*.
13436 * config/alpha/predicates.md (add_operand): Likewise.
13437 (sext_add_operand, addition_operation): Likewise.
13438
13439 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
13440
13441 PR tree-optimization/29145
13442 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
13443 in our handling of restrict qualified pointers.
13444
13445 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13446
13447 PR middle-end/7651
13448 * doc/invoke.texi (Wunused-value): Update description.
13449 (Wextra): Delete item.
13450 * opts.c (set_Wextra): Don't use the value of Wextra to set the
13451 value of Wunused-value.
13452 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
13453 (c_finish_stmt_expr): Don't check extra_warnings.
13454 (emit_side_effect_warnings): The caller is responsible to check
13455 warn_unused_value.
13456
13457 2007-02-11 Roger Sayle <roger@eyesopen.com>
13458 Matt Thomas <matt@3am-software.com>
13459
13460 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
13461
13462 2007-02-11 Roger Sayle <roger@eyesopen.com>
13463
13464 * simplify-rtx.c (simplify_relational_operation_1): Optimize
13465 comparisons of POPCOUNT against zero.
13466 (simplify_const_relational_operation): Likewise.
13467
13468 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13469
13470 * doc/invoke.texi (Wextra): Delete outdated paragraph.
13471
13472 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13473
13474 * dwarf2out.c (root_type): Delete unused function.
13475
13476 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13477
13478 * genattrtab.c (contained_in_p): Delete unused function.
13479 (write_expr_attr_cache): Likewise.
13480
13481 2007-02-11 Jan Hubicka <jh@suse.cz>
13482
13483 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
13484 previous patch.
13485
13486 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
13487
13488 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
13489 to add the REG_EQ* note.
13490 * see.c (see_merge_one_use_extension): Likewise.
13491 * local-alloc.c (update_equiv_regs): Likewise. Also don't
13492 turn REG_EQUAL notes into REG_EQUIV notes if the target
13493 register may have more than one set.
13494 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
13495 * gcse.c (try_replace_reg): Likewise.
13496 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
13497 * calls.c (fixup_tail_calls): Likewise. Abort if there is
13498 more than one REG_EQUIV note.
13499 * reload1.c (gen_reload): Use set_unique_reg_note.
13500
13501 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
13502
13503 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
13504 (ix86_builtin_conversion): New function.
13505
13506 2007-02-06 Mark Mitchell <mark@codesourcery.com>
13507
13508 PR target/29487
13509 * tree.h (DECL_REPLACEABLE_P): New macro.
13510 * except.c (set_nothrow_function_flags): Likewise.
13511
13512 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
13513 Ira Rosen <irar@il.ibm.com>
13514 Dorit Nuzman <dorit@il.ibm.com>
13515
13516 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
13517 * targhooks.c (default_builtin_vectorized_conversion): New.
13518 * targhooks.h (default_builtin_vectorized_function): New declaration.
13519 * target.h (struct vectorize): Add builtin_conversion field.
13520 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
13521 stmt_vec_info_type value.
13522 (vectorizable_conversion): New declaration.
13523 * tree-vect-analyze.c (vect_analyze_operations): Add
13524 vectorizable_conversion call.
13525 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
13526 * tree-vect-transform.c (vectorizable_conversion): New function.
13527 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
13528 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
13529 mode.
13530 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
13531 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
13532 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
13533 or ALTIVEC_BUILTIN_VCFSX.
13534
13535 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13536
13537 PR target/30634
13538 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
13539 CONST_DOUBLE and operand 0 is a hard register.
13540 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
13541 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
13542 is a hard floating-point register.
13543
13544 2007-02-10 Richard Henderson <rth@redhat.com>
13545 Jakub Jelinek <jakub@redhat.com>
13546 Alexandre Oliva <aoliva@redhat.com>
13547
13548 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
13549 * builtin-types.def (BT_WORD): Make unsigned.
13550 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
13551 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
13552 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
13553 * c-decl.c (grokdeclarator): Don't error if !have_tls.
13554 * c-parser.c (c_parser_omp_threadprivate): Likewise.
13555 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
13556 emulated tls.
13557 * expr.c (emutls_var_address): New.
13558 (expand_expr_real_1): Expand emulated tls.
13559 (expand_expr_addr_expr_1): Likewise.
13560 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
13561 * output.h (emutls_finish): Declare.
13562 * toplev.c (compile_file): Call it.
13563 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
13564 address before wrapping in CONST.
13565 * varasm.c (emutls_htab, emutls_object_type): New.
13566 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
13567 (get_emutls_object_name, get_emutls_object_type): New.
13568 (get_emutls_init_templ_addr, emutls_decl): New.
13569 (emutls_common_1, emutls_finish): New.
13570 (assemble_variable): When emulating tls, swap decls; generate
13571 constructor for the emutls objects.
13572 (do_assemble_alias): When emulating tls, swap decl and target name.
13573 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
13574 for emulated tls.
13575 * varpool.c (decide_is_variable_needed): Look at force_output.
13576 Recurse for emulated tls.
13577 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
13578 with decide_is_variable_needed.
13579 * emutls.c: New file.
13580 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
13581 tls_object for real tls.
13582
13583 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
13584
13585 PR rtl-optimization/29599
13586 * reload1.c (eliminate_regs_in_insn): Take the destination
13587 mode into account when computing the offset.
13588
13589 2007-02-09 Stuart Hastings <stuart@apple.com>
13590 Richard Henderson <rth@redhat.com>
13591
13592 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13593 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
13594 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
13595 fixuns_truncdfhi2): New.
13596 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
13597 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
13598 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
13599 (floatunssidf2): Allow nonimmediate source.
13600 * config/i386/sse.md (movdi_to_sse): New.
13601 (vec_concatv2di): Drop '*'.
13602 * config/i386/i386-protos.h (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 New.
13606 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
13607 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
13608 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
13609 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
13610 (ix86_build_signbit_mask): Fix decl of v, refactor to call
13611 ix86_build_const_vector.
13612 (x86_emit_floatuns): Rewrite.
13613
13614 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13615
13616 * genautomata.c (longest_path_length): Delete unused function.
13617 (struct state): Delete unused longest_path_length.
13618 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
13619 (get_free_state): Delete unused.
13620
13621 2007-02-09 Jan Hubicka <jh@suse.cz>
13622
13623 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
13624 * doc/invoke.texi (inline-unit-growth): Update default value.
13625
13626 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
13627 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
13628 (rebuild_cgraph_edges): Likewise.
13629 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
13630 (dump_cgraph_node): Dump frequencies.
13631 (cgraph_clone_edge): Add frequency scales.
13632 (cgraph_clone_node): Add freuqnecy.
13633 * cgraph.h (cgraph_edge): Add freuqnecy argument.
13634 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
13635 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
13636 * tree-pass.h (TODO_rebuild_frequencies): New constant.
13637 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
13638 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
13639 (save_inline_function_body): Likewise.
13640 * ipa-inline.c: inluce rtl.h
13641 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
13642 (cgraph_edge_badness): Use frequencies.
13643 (cgraph_decide_recursive_inlining): Update clonning.
13644 (cgraph_decide_inlining_of_small_function): Dump frequency.
13645 * predict.c (estimate_bb_frequencies): Export.
13646 * predict.h (estimate_bb_frequencies): Declare.
13647 * tree-inline.c (copy_bb): Watch overflows.
13648 (expand_call_inline): Update call of cgraph_create_edge.
13649 (optimize_inline_calls): Use TODO flags to update frequnecies.
13650 * passes.h: Include predict.h
13651 (init_optimization_passes): Move profile ahead.
13652 (execute_function_todo): Handle TODO_rebuild_frequencies.
13653
13654 2007-02-09 Roger Sayle <roger@eyesopen.com>
13655
13656 * config/alpha/alpha.c (emit_insxl): Force the first operand of
13657 the insbl or inswl pattern into a register.
13658
13659 2007-02-09 Roger Sayle <roger@eyesopen.com>
13660
13661 * config/ia64/ia64.md (bswapdi2): New define_insn.
13662
13663 2007-02-09 Richard Henderson <rth@redhat.com>
13664
13665 * config/i386/constraints.md (Ym): New constraint.
13666 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
13667 (movdi_1_rex64): Split sse and xmm general register moves from
13668 memory move alternatives. Use conditional register constraints.
13669 (movsf_1, movdf_integer): Likewise.
13670 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13671 (movdf_integer_rex64): New.
13672 (pushsf_rex64): Fix output constraints.
13673 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
13674 (sse2_stored): Likewise.
13675 (sse2_storeq_rex64): New.
13676 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
13677 amd and not generic.
13678 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
13679 for optimize_size. Remove SF/DFmode hack.
13680
13681 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
13682
13683 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
13684 (bit_SSE4a): New.
13685
13686 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
13687 Richard Sandiford <richard@codesourcery.com>
13688
13689 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
13690 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
13691 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
13692 m68k/t-mlib to tmake_file.
13693 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
13694 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
13695 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
13696 Allow it to be cf or m68k. Set m68k_arch_family. If that
13697 variable is not empty, add t-$m68k_arch_family to tmake_file.
13698 Add t-mlibs to tmake_file.
13699 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
13700 * config/m68k/t-cf: New file.
13701 * config/m68k/t-m68k: Likewise.
13702 * config/m68k/t-mlibs: Likewise.
13703 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13704 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13705 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13706 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13707 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
13708 Delete.
13709 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
13710 (INSTALL_LIBGCC): Delete.
13711 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
13712 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13713 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13714 (M68K_MLIB_CPU): Define.
13715 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
13716 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
13717 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
13718
13719 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13720 Richard Guenther <rguenther@suse.de>
13721
13722 PR middle-end/23361
13723 * fold-const.c (fold_comparison): Handle obfuscated comparisons
13724 against INT_MIN/INT_MAX.
13725 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
13726 file if a loop is removed.
13727
13728 2007-02-09 Joseph Myers <joseph@codesourcery.com>
13729
13730 * calls.c (store_one_arg): Pass correct alignment to
13731 emit_push_insn for non-BLKmode values.
13732 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
13733 unaligned stack slot via a suitably aligned slot.
13734
13735 2007-02-08 DJ Delorie <dj@redhat.com>
13736
13737 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
13738 warnings.
13739 (legal_subregs): Use unsigned char, make const.
13740 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
13741
13742 2007-02-08 Paul Brook <paul@codesourcery.com>
13743
13744 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
13745 special interworking needed.
13746
13747 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
13748
13749 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
13750 conditional to __SSE2__.
13751 (Entries below should have been added to first ChangeLog
13752 entry for amdfam10 dated 2007-02-05)
13753 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
13754 defined.
13755 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
13756 defined.
13757 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
13758 defined.
13759
13760 2007-02-08 DJ Delorie <dj@redhat.com>
13761
13762 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
13763 * config/m32c/m32c.c (legal_subregs): New.
13764 (m32c_illegal_subreg_p): New.
13765 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
13766 unsupported subregs of hard regs.
13767
13768 2007-02-08 Jan Hubicka <jh@suse.cz>
13769
13770 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
13771 the same one; always update histograms.
13772
13773 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13774
13775 * passes.c (init_optimization_passes): Tidy comment.
13776
13777 2007-02-08 Roger Sayle <roger@eyesopen.com>
13778
13779 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
13780 strip zero_extend, bswap and rotates from POCOUNT's argument.
13781 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
13782 zero_extend and rotates from PARITY's argument.
13783 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
13784 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
13785 of an integer constant at compile-time.
13786
13787 2007-02-08 Diego Novillo <dnovillo@redhat.com>
13788
13789 PR 30562
13790 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
13791 Update all users.
13792 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
13793 users.
13794 (init_alias_info):
13795 * tree-ssa-live.c (remove_unused_locals): Do not remove
13796 TREE_ADDRESSABLE variables.
13797 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
13798 * tree-ssa-operands.c (add_virtual_operand): Remove argument
13799 FOR_CLOBBER. Update all users.
13800 If VAR has an associated alias set, add a virtual operand for
13801 it if no alias is found to conflict with the memory reference.
13802
13803 2007-02-07 Jan Hubicka <jh@suse.cz>
13804 Robert Kidd <rkidd@crhc.uiuc.edu>
13805
13806 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
13807
13808 2007-02-07 Ian Lance Taylor <iant@google.com>
13809
13810 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
13811
13812 2007-02-07 Roger Sayle <roger@eyesopen.com>
13813
13814 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
13815 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
13816 tablejumpdi, movsi_to_cr_one): Remove constraints from
13817 define_expand's match_operands.
13818
13819 2007-02-07 Roger Sayle <roger@eyesopen.com>
13820
13821 * global.c (compute_regsets): Move declatation of "i" inside of
13822 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
13823
13824 2007-02-07 Jakub Jelinek <jakub@redhat.com>
13825
13826 PR c++/30703
13827 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
13828 of INDIRECT_REF <RESULT_DECL>.
13829
13830 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
13831
13832 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
13833 Kaz Kojima <kkojima@gcc.gnu.org>
13834
13835 PR target/29746
13836 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
13837 properly.
13838 (sh_initialize_trampoline): Add parentheses to avoid a warning.
13839
13840 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13841
13842 * doc/loop.texi: Document possibility not to perform disambiguation
13843 of loops with multiple latches.
13844 * cfgloopmanip.c (alp_enum_p): Removed.
13845 (add_loop): Handle subloops. Use get_loop_body_with_size.
13846 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
13847 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
13848 the new forwarder block.
13849 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
13850 Handle the case latch is NULL.
13851 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
13852 when marking loop exits.
13853 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
13854 be modified.
13855 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
13856 disambiguate_loops_with_multiple_latches.
13857 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
13858 before fix_loop_structure.
13859 * cfgloop.c: Include pointer-set.h and output.h.
13860 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
13861 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
13862 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
13863 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
13864 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
13865 disambiguate_multiple_latches, get_loop_body_with_size,
13866 disambiguate_loops_with_multiple_latches): New functions.
13867 (flow_loop_dump): Dump multiple latch edges.
13868 (flow_loop_nodes_find): Handle loops with multiple latches.
13869 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
13870 (glb_enum_p): Modified.
13871 (get_loop_body): Use get_loop_body_with_size.
13872 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
13873 (AVOID_CFG_MODIFICATIONS): New constant.
13874 (disambiguate_loops_with_multiple_latches, add_loop,
13875 get_loop_body_with_size): Declare.
13876 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
13877
13878 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
13879
13880 PR inline-asm/28686
13881 * global.c (compute_regsets): New function.
13882 (global_alloc): Refactored ELIMINABLE_REGSET
13883 and NO_GLOBAL_ALLOC_REGS computation out.
13884 (rest_of_handle_global_alloc): Call compute_regsets()
13885 for non-optimizing case.
13886
13887 2007-02-06 Richard Henderson <rth@redhat.com>
13888
13889 * config/i386/constraints.md (Y2): Rename from Y.
13890 (Yi): New constraint.
13891 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
13892 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
13893 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
13894 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
13895 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
13896 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
13897 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
13898 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
13899 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
13900 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
13901 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
13902 vec_extractv2si_1): Change Y constraints to Y2.
13903 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
13904 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
13905 Change Y constraints to Y2.
13906 (sse2_loadld): Change Y constraints to x.
13907
13908 2007-02-06 Roger Sayle <roger@eyesopen.com>
13909
13910 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
13911 (parity<mode>2): New define_expand using rs6000_emit_parity.
13912 * config/rs6000/rs6000.c (rs6000_emit_popcount,
13913 rs6000_emit_parity): New functions.
13914 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
13915 rs6000_emit_parity): Prototype here.
13916
13917 2007-02-06 Ian Lance Taylor <iant@google.com>
13918
13919 * lower-subreg.c (simple_move_operand): Reject CONST.
13920 (resolve_clobber): Call validate_change rather than directly
13921 assigning to XEXP (pat, 0).
13922
13923 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
13924
13925 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
13926 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
13927 (tree-cfg.o): Remove hashtab.h dependency.
13928
13929 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
13930 (struct ivopts_data): Change niters to pointer_map_t.
13931 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
13932 (niter_for_exit): Create pointer_map on demand. Change for
13933 pointer_map API.
13934 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
13935 (free_loop_data): Destroy data->niters if created and reset field.
13936 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
13937 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
13938
13939 * tree-ssa-reassoc.c: Include pointer-set.h.
13940 (bb_rank): Change to long *.
13941 (operand_rank): Change to pointer_map_t.
13942 (find_operand_rank): Return long, -1 if not found. Declare as inline.
13943 (insert_operand_rank): Accept long.
13944 (operand_entry_hash, operand_entry_eq): Remove.
13945 (get_rank): Return long. Adjust for changes above.
13946 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
13947 and operand_rank.
13948 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
13949
13950 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
13951 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
13952 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
13953 is not NULL.
13954 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
13955 directly since it cannot be NULL.
13956 (get_vi_for_tree): Rewrite for pointer_map API.
13957 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
13958 (init_alias_vars): Create vi_for_tree as pointer_map.
13959 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
13960
13961 * tree-cfg.c: Don't include hashtab.h.
13962 (edge_to_cases): Declare as pointer_map.
13963 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
13964 Delete.
13965 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
13966 (start_recording_case_labels): Create edge_to_cases as pointer_map.
13967 (end_recoding_case_labels): Cleanup edge_to_cases manually before
13968 destroying it.
13969 (record_switch_edge): Delete.
13970 (get_cases_for_edge): Adjust for pointer_map API, inline
13971 record_switch_edge (rewritten for new API), remove goto.
13972
13973 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
13974
13975 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
13976 * tree-nested.c: Include pointer-set.h.
13977 (var_map_elt, var_map_eq, var_map_hash): Delete.
13978 (struct nesting_info): Remove GTY marker. Change the two htab_t's
13979 to pointer_map_t's.
13980 (nesting_info_bitmap_obstack): New.
13981 (lookup_field_for_decl): Adjust for pointer_map API.
13982 (lookup_tramp_for_decl): Adjust for pointer_map API.
13983 (get_nonlocal_debug_decl): Adjust for pointer_map API.
13984 (get_local_debug_decl): Adjust for pointer_map API.
13985 (convert_nl_goto_reference): Adjust for pointer_map API.
13986 (convert_nl_goto_receiver): Adjust for pointer_map API.
13987 (create_nesting_tree): Create outside GGC space. Create bitmap on
13988 the new obstack. Create field_map and var_map as pointer_maps.
13989 (free_nesting_tree): Adjust for changes to create_nesting_tree.
13990 (root): Delete.
13991 (lower_nested_functions): Move root here, no need to NULL it.
13992 Initialize and release the obstack.
13993
13994 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
13995
13996 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
13997 Remove prototypes and make them non-static.
13998 (struct tree_int_map): Remove.
13999 * tree.h (struct tree_int_map): Move here, turning TO into an
14000 unsigned int.
14001 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
14002
14003 * tree.h (TREE_COMPLEXITY): Remove.
14004 (struct tree_exp): Remove complexity field.
14005 * tree.c (build1_stat): Don't set it.
14006
14007 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
14008 Victor Kaplansky <victork@il.ibm.com>
14009
14010 * tree-vectorizer.c (vect_is_simple_use): Support induction.
14011 (vect_is_simple_reduction): Support reduction with induction as
14012 one of the operands.
14013 (vect_is_simple_iv_evolution): Fix formatting.
14014 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
14015 formatting. Don't mark induction phis for vectorization.
14016 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
14017 * tree-vect-transform.c (get_initial_def_for_induction): New function.
14018 (vect_get_vec_def_for_operand): Support induction.
14019 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
14020 induction case.
14021 (vectorizable_reduction): Support reduction with induction as one of
14022 the operands.
14023 (vectorizable_type_demotion): Use def-type of stmt argument rather
14024 than dummy def-type.
14025
14026 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
14027 flag_tree_scev_cprop.
14028 * common.opt (tree-scev-cprop): New flag.
14029
14030 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
14031 call to vect_get_new_vect_var.
14032
14033 2007-02-06 Ira Rosen <irar@il.ibm.com>
14034
14035 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
14036 vectype is not NULL.
14037 (vect_pattern_recog_1): Likewise.
14038
14039 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14040
14041 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
14042 (fold_negate_expr): Likewise.
14043
14044 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
14045
14046 PR debug/30189
14047 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
14048 even if cv-qualification is the same.
14049
14050 2007-02-05 Geoffrey Keating <geoffk@apple.com>
14051
14052 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
14053 __enable_execute_stack on completion.
14054
14055 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14056
14057 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
14058 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
14059 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
14060 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
14061 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
14062 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
14063 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
14064 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
14065
14066 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14067
14068 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
14069 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
14070 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
14071 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
14072 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
14073 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
14074 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
14075 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
14076 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
14077 umuldi3_highpart_rex64, umulsi3_highpart_insn,
14078 umulsi3_highpart_zext, smuldi3_highpart_rex64,
14079 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
14080 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
14081 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
14082 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
14083 sqrtextenddfxf2_i387): Added amdfam10_decode.
14084
14085 * config/i386/athlon.md (athlon_idirect_amdfam10,
14086 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
14087 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
14088 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
14089 athlon_ivector_store_amdfam10): New define_insn_reservation.
14090 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
14091 amdfam10.
14092
14093 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14094
14095 * config/i386/athlon.md (athlon_call_amdfam10,
14096 athlon_pop_amdfam10, athlon_lea_amdfam10): New
14097 define_insn_reservation.
14098 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
14099 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
14100 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
14101
14102 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14103
14104 * config/i386/athlon.md (athlon_sseld_amdfam10,
14105 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
14106 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
14107
14108 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14109
14110 * config/i386/athlon.md (athlon_sseins_amdfam10): New
14111 define_insn_reservation.
14112 * config/i386/i386.md (sseins): Added sseins to define_attr type
14113 and define_attr unit.
14114 * config/i386/sse.md: Set type attribute to sseins for insertq
14115 and insertqi.
14116
14117 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14118
14119 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
14120 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
14121 ssecomi_load_amdfam10, ssecomi_amdfam10,
14122 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
14123 define_insn_reservation.
14124 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
14125
14126 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14127
14128 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
14129 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
14130 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
14131 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
14132 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
14133 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
14134 define_insn_reservation.
14135
14136 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
14137 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
14138 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
14139 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
14140 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
14141
14142 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14143
14144 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
14145 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
14146 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
14147 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
14148 athlon_ssemul_load_k8): Added amdfam10.
14149
14150 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14151
14152 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
14153 (x86_sse_unaligned_move_optimal): New variable.
14154
14155 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
14156 m_AMDFAM10.
14157 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
14158 for unaligned vector SSE double/single precision loads for AMDFAM10.
14159
14160 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14161
14162 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
14163 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
14164 Define TARGET_CPU_DEFAULT_amdfam10.
14165 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
14166 (processor_type): Add PROCESSOR_AMDFAM10.
14167
14168 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
14169 processor_type in config/i386/i386.h.
14170 Enable imul peepholes for TARGET_AMDFAM10.
14171
14172 * config.gcc: Add support for --with-cpu option for amdfam10.
14173
14174 * config/i386/i386.c (amdfam10_cost): New variable.
14175 (m_AMDFAM10): New macro.
14176 (m_ATHLON_K8_AMDFAM10): New macro.
14177 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
14178 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
14179 x86_promote_QImode, x86_integer_DFmode_moves,
14180 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14181 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
14182 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
14183 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
14184 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
14185 Enable/disable for amdfam10.
14186 (override_options): Add amdfam10_cost to processor_target_table.
14187 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
14188 processor_alias_table.
14189 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
14190 (ix86_adjust_cost): Add code for amdfam10.
14191
14192 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14193
14194 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
14195 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
14196 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
14197 * config/i386/i386.h: Add builtin definition for SSE4A.
14198 * config/i386/i386.md: Add support for ABM instructions
14199 (popcnt and lzcnt).
14200 * config/i386/sse.md: Add support for SSE4A instructions
14201 (movntss, movntsd, extrq, insertq).
14202 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
14203 Add -march=amdfam10 flag.
14204 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
14205 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
14206 and amdfam10.
14207 * doc/extend.texi: Add documentation for SSE4A builtins.
14208
14209 2007-02-05 Bob Wilson <bob.wilson@acm.org>
14210
14211 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
14212
14213 2007-02-05 Richard Guenther <rguenther@suse.de>
14214
14215 * tree-vectorizer.h (vectorizable_function): Add argument type
14216 argument, change return type.
14217 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
14218 * tree-vect-transform.c (vectorizable_function): Handle extra
14219 argument, return vectorized function decl.
14220 (build_vectorized_function_call): Remove.
14221 (vectorizable_call): Handle calls with result and argument types
14222 differing. Handle loop vectorization factor correctly.
14223 * targhooks.c (default_builtin_vectorized_function): Adjust for
14224 extra argument.
14225 * targhooks.h (default_builtin_vectorized_function): Likewise.
14226 * target.h (builtin_vectorized_function): Add argument type
14227 argument.
14228 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
14229 extra argument, allow vectorizing of lrintf.
14230 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
14231 documentation of target hook.
14232
14233 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
14234
14235 PR target/30665
14236 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
14237 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
14238 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
14239
14240 2007-02-05 Roger Sayle <roger@eyesopen.com>
14241
14242 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
14243 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
14244 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
14245 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
14246 before canonicalizing sincos to cexpi.
14247 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
14248
14249 2007-02-05 Roger Sayle <roger@eyesopen.com>
14250
14251 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
14252 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
14253 (alpha_init_builtins): Use alpha_add_builtins to process tables.
14254
14255 2007-02-05 Roger Sayle <roger@eyesopen.com>
14256
14257 * mips-tfile.c (initialize_init_file): Correct endianness test.
14258
14259 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
14260
14261 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
14262 the 'y' constraint.
14263
14264 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14265
14266 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
14267 saves in a PARALLEL before the register assignments.
14268
14269 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14270
14271 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
14272 DWARF_FRAME_RETURN_COLUMN to be a general register.
14273 * dwarf2out.c (init_return_column_size): New function, split from...
14274 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
14275 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
14276 to be nongeneral registers.
14277 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
14278 integer registers.
14279 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
14280 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
14281
14282 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14283
14284 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
14285
14286 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14287
14288 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
14289 (remove_path): Use can_remove_branch_p and remove_branch instead
14290 of loop_delete_branch_edge.
14291 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
14292 (tree_transform_and_unroll_loop): Remove dead branches immediately.
14293 Update profile using scale_dominated_blocks_in_loop.
14294 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
14295 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
14296 (can_remove_branch_p, remove_branch): Declare.
14297 * tree-cfg.c (tree_can_remove_branch_p): New function.
14298 (tree_cfg_hooks): Add tree_can_remove_branch_p.
14299 * cfgrtl.c (rtl_can_remove_branch_p): New function.
14300 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
14301
14302 2007-02-05 Jan Hubicka <jh@suse.cz>
14303
14304 PR middle-end/30696
14305 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
14306 nodes in cgraph, don't remove offline copy of the function.
14307
14308 2007-02-04 Jan Hubicka <jh@suse.cz>
14309
14310 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
14311 vectors might cause maybe_lookup_element_for_expr to be called
14312 on non-sra-candidate.
14313
14314 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14315
14316 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
14317 config/bfin/bfin.md, config/bfin/predicates.md: Follow
14318 spelling conventions.
14319
14320 2007-02-04 Richard Guenther <rguenther@suse.de>
14321
14322 PR middle-end/30636
14323 * fold-const.c (try_move_mult_to_index): Make sure to not
14324 overflow one dimension of a multi-dimensional array access.
14325
14326 2007-02-04 Jan Hubicka <jh@suse.cz>
14327
14328 * passes.c (init_optimization_passes): Reindent.
14329
14330 2007-02-04 Jan Hubicka <jh@suse.cz>
14331 Eric Botcazou <ebotcazou@adacore.com>
14332
14333 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
14334 (execute_fixup_cfg): Break out the abnormal goto code.
14335 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
14336 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
14337 (optimize_inline_calls): Call make_nonlocal_label_edges.
14338
14339 2007-02-04 Jan Hubicka <jh@suse.cz>
14340
14341 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
14342 true when something was changed.
14343 (rename_ssa_copies): When something was changed, do
14344 TODO_remove_unused_locals.
14345 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
14346 add TODO_remove_unused_locals when instruction was removed.
14347
14348 2007-02-04 Jan Hubicka <jh@suse.cz>
14349
14350 * ipa-inline.c (try_inline): Improve debug output; work on already
14351 inline edges too.
14352 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
14353 call try_inline for already inlined edges too when flattening;
14354 inline also functions that make callee growth but overall unit size
14355 reduce.
14356
14357 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14358
14359 * config/m32c/bitops.md, config/m32c/jump.md,
14360 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
14361 config/m32r/m32r.h, config/m32r/m32r.md,
14362 config/m32r/predicates.md, config/m68hc11/larith.asm,
14363 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
14364 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
14365 config/mips/mips-protos.h, config/mips/mips.c,
14366 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
14367 config/mn10300/mn10300.h, config/mn10300/predicates.md,
14368 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
14369 spelling conventions.
14370
14371 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
14372 Follow spelling conventions.
14373
14374 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
14375
14376 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
14377 warn about C++0x compatibility.
14378
14379 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14380
14381 * config/h8300/h8300.c, config/h8300/h8300.h,
14382 config/h8300/h8300.md: Follow spelling conventions.
14383
14384 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
14385
14386 PR middle-end/30667
14387 * combine.c (try_combine): Do not substitute source operand
14388 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
14389
14390 2007-02-03 Jan Hubicka <jh@suse.cz>
14391
14392 PR gcov-profile/30650
14393 * value-prof.c (stringop_block_profile): Fix handling of size counter;
14394 do not divide by zero for never executed counters.
14395 (tree_find_values_to_profile): Fix counters.
14396 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
14397
14398 2007-02-03 Ian Lance Taylor <iant@google.com>
14399
14400 * lower-subreg.c (simple_move_operand): New static function,
14401 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
14402 operands.
14403 (simple_move): Call simple_move_operand.
14404 (find_decomposable_subregs): Add special handling of MEMs.
14405 (can_decompose_p): Rename from cannot_decompose_p. Reverse
14406 meaning of return value. If we see a hard register, test whether
14407 it can store a word_mode value. Change all callers.
14408
14409 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14410
14411 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
14412 ftrapv insns and expanders.
14413 (subdi3): Change define_expand operand 1 to arith11_operand, and
14414 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
14415 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
14416 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
14417 respectively.
14418
14419 PR middle-end/30174
14420 * varasm.c (notice_global_symbol): Treat global objects as weak when
14421 flag_shlib is true.
14422
14423 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14424
14425 * emit-rtl.c (dconstpi): Delete.
14426 (dconstsqrt2): New.
14427 (init_emit_once): Delete dconstpi and init dconstsqrt2.
14428 * real.h (dconstpi): Delete.
14429 (dconstsqrt2): New.
14430 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
14431 (fold_builtin_hypot): Likewise.
14432
14433 2007-02-03 Tom Tromey <tromey@redhat.com>
14434
14435 PR driver/30246
14436 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
14437 -gcoff3, -gxcoff3, -gvms3 implies -dD.
14438
14439 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
14440
14441 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
14442 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
14443 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
14444 config/rs6000/cell.md, config/rs6000/darwin.h,
14445 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
14446 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
14447 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
14448 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
14449 typos. Follow spelling conventions.
14450 * doc/invoke.texi: Follow spelling conventions.
14451
14452 2007-02-03 Roger Sayle <roger@eyesopen.com>
14453
14454 * simplify-rtx.c (simplify_relational_operation_1): Implement some
14455 canonicalization transformations that attempt to simplify integer
14456 constant comparisons to become comparisons against zero.
14457
14458 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14459
14460 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
14461 fabs(x)*sqrt(2).
14462 * fold-const.c (fold_binary): Fix comment typos. Fold complex
14463 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
14464
14465 2007-02-02 Mike Stump <mrs@apple.com>
14466
14467 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
14468 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
14469 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
14470 generate a branch island.
14471
14472 2007-02-02 Bob Wilson <bob.wilson@acm.org>
14473
14474 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
14475 (xtensa_legitimate_address_p): New.
14476 (xtensa_legitimize_address): New.
14477 (xtensa_output_addr_const_extra): New.
14478 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
14479 (BASE_REG_P): New.
14480 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
14481 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
14482 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
14483 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
14484 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
14485 (xtensa_legitimize_address): New.
14486 (xtensa_output_addr_const_extra): New.
14487
14488 2007-02-02 Steve Ellcey <sje@cup.hp.com>
14489
14490 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
14491
14492 2007-02-02 Ian Lance Taylor <iant@google.com>
14493
14494 * expmed.c (expand_divmod): Add comment.
14495
14496 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
14497
14498 * emit-rtl.c (renumber_insns): Remove.
14499 * flags.h: Remove the extern for flag_renumber_insns.
14500 * rtl.h: Remove the prototype for renumber_insns.
14501 * toplev.c (flag_renumber_insns): Remove.
14502
14503 2007-02-02 Hui-May Chang <hm.chang@apple.com>
14504
14505 Revert for x86 darwin:
14506 2005-06-19 Uros Bizjak <uros@kss-loka.si>
14507
14508 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
14509 code before the following patch under TARGET_MACHO.
14510 (ix86_function_value_regno_p): Likewise.
14511
14512 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14513
14514 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
14515 COMPLEX_EXPR.
14516
14517 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14518
14519 PR target/29682
14520 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
14521 general or fp registers. Add comments.
14522 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
14523
14524 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
14525
14526 * pointer-set.c (insert_aux): Only return insertion slot.
14527 (pointer_set_insert): Adjust.
14528 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
14529 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
14530 pointer_map_traverse): New.
14531 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
14532 pointer_map_create, pointer_map_destroy, pointer_map_insert,
14533 pointer_map_contains, pointer_map_traverse): Declare.
14534
14535 2007-02-02 Jakub Jelinek <jakub@redhat.com>
14536
14537 PR middle-end/30473
14538 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
14539 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
14540
14541 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14542
14543 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
14544
14545 (struct _dep): New type.
14546 (dep_t): New typedef.
14547 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
14548 (DEP_STATUS): New access macro. The macro with the same name was
14549 renamed to DEP_LINK_STATUS.
14550 (dep_init): Declare function
14551
14552 (struct _dep_link): New type.
14553 (dep_link_t): New typedef.
14554 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
14555 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
14556 (DEP_LINK_STATUS): New macro.
14557 (debug_dep_links): New debug function.
14558
14559 (struct _deps_list): New type.
14560 (deps_list_t): New typedef.
14561 (DEPS_LIST_FIRST): New access macro.
14562 (FOR_EACH_DEP_LINK): New cycle macro.
14563 (create_deps_list, free_deps_list, delete_deps_list): Declare
14564 functions.
14565 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
14566 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
14567 (copy_deps_list_change_con): Ditto.
14568
14569 (move_dep_link): Declare function.
14570
14571 (struct _dep_node): New type.
14572 (dep_node_t): New typedef.
14573 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
14574
14575 (struct haifa_insn_data.back_deps): New field to hold backward
14576 dependencies of the insn.
14577 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
14578 to deps_list_t.
14579 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
14580 Change its type to deps_list_t.
14581 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
14582 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
14583 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
14584
14585 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
14586
14587 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
14588
14589 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
14590 all callers.
14591 (dep_cost): Declare.
14592
14593 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
14594 (ds_to_dk, dk_to_ds): New functions.
14595
14596 (init_dep_1): New static function.
14597 (init_dep): New function.
14598 (copy_dep): New static function.
14599
14600 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
14601 functions.
14602 (detach_dep_link): New static function.
14603 (move_dep_link): New function.
14604
14605 (dep_links_consistent_p, dump_dep_links): New static functions.
14606 (debug_dep_links): New debugging function.
14607
14608 (deps_obstack, dl_obstack, dn_obstack): New static variables.
14609
14610 (alloc_deps_list, init_deps_list): New static functions.
14611 (create_deps_list): New function.
14612 (clear_deps_list): New static function.
14613 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
14614 (deps_list_consistent_p, dump_deps_list): New static functions.
14615 (debug_deps_list): New function.
14616 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
14617 functions.
14618 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
14619
14620 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
14621 use new scheduler dependencies lists.
14622 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
14623 (sched_analyze): Ditto. Initialize dependencies lists.
14624 (add_forw_dep, compute_forward_dependences): Update to use new
14625 scheduler dependencies lists.
14626
14627 (init_dependency_caches): Init deps_obstack.
14628 (free_dependency_caches): Free deps_obstack.
14629
14630 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
14631 new scheduler dependencies lists.
14632 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
14633 (add_back_forw_dep, delete_back_forw_dep): Ditto.
14634
14635 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
14636 Update to use new scheduler dependencies lists.
14637 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
14638 (debug_dependencies): Ditto.
14639 (schedule_region): Update comments.
14640
14641 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
14642 scheduler dependencies lists.
14643 (schedule_ebb): Update comments.
14644
14645 * rtl.def (DEPS_LIST): Remove.
14646
14647 * lists.c (unused_deps_list): Remove.
14648 (free_list): Update assertions.
14649
14650 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
14651 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14652
14653 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
14654 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
14655
14656 * haifa-sched.c (comments): Update.
14657 (insn_cost1): Remove. Inline the code into insn_cost ().
14658 (insn_cost): Update to use new scheduler dependencies lists. Move
14659 processing of the dependency cost to dep_cost ().
14660 (dep_cost): New function. Use it instead of insn_cost () when
14661 evaluating cost of the dependency. Use compatible interface to
14662 interact with the target.
14663 (priority): Update to use new scheduler dependencies lists.
14664 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
14665 with greater number of insns that depend on the insn.
14666 (schedule_insn): Update to use new scheduler dependencies lists. Add
14667 code to free backward dependencies lists. Inline and optimize code
14668 from resolve_dep () - see PR28071.
14669 (ok_for_early_queue_removal): Update to use new scheduler dependencies
14670 lists. Update call to targetm.sched.is_costly_dependence hook.
14671
14672 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
14673 scheduler dependencies lists.
14674
14675 (resolve_dep): Remove. Move the logic to schedule_insn ().
14676 (init_h_i_d): Initialize dependencies lists.
14677
14678 (process_insn_depend_be_in_spec): Rename to
14679 process_insn_forw_deps_be_in_spec. Update to use new scheduler
14680 dependencies lists.
14681 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
14682 Update to use new scheduler dependencies lists.
14683 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
14684
14685 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
14686 new scheduler dependencies lists.
14687 (build_intra_loop_deps): Ditto.
14688
14689 * target.h (struct _dep): Declare to use in
14690 gcc_target.sched.is_costly_dependence.
14691 (struct gcc_target.sched.adjust_cost): Fix typo.
14692 (struct gcc_target.sched.is_costly_dependence): Change signature to use
14693 single dep_t parameter instead of an equivalent triad.
14694 (struct gcc_target.sched.adjust_cost_2): Remove.
14695
14696 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
14697
14698 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
14699
14700 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
14701 documentation.
14702 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
14703
14704 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
14705 (REG_DEP_TRUE): Document.
14706
14707 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
14708 Change signature to correspond to the targetm.sched.adjust_cost hook.
14709 Update use in TARGET_SCHED_ADJUST_COST_2.
14710 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
14711 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
14712 new scheduler dependencies lists.
14713 (ia64_gen_check): Ditto.
14714
14715 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
14716 dependencies lists.
14717
14718 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
14719 signature to correspond to the targetm.sched.is_costly_dependence hook.
14720 (is_costly_group): Update to use new scheduler dependencies lists.
14721
14722 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
14723 instead of INSN_COST () macro.
14724
14725 2007-02-01 Ian Lance Taylor <iant@google.com>
14726
14727 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
14728
14729 2007-02-01 Guy Martin <gmsoft@gentoo.org>
14730
14731 * pa.md (tp_load): Correct mfctl instruction syntax.
14732
14733 2007-02-01 Geoffrey Keating <geoffk@apple.com>
14734
14735 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
14736 altivec_padding_size calculation on AIX. Improve comment, add
14737 assert to verify that it's right.
14738
14739 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
14740 64-bit.
14741
14742 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
14743
14744 PR inline-asm/28686
14745 * global.c (global_alloc): Add mising initialization of
14746 ELIMINABLE_REGSET.
14747
14748 2007-02-01 Roger Sayle <roger@eyesopen.com>
14749
14750 * alias.c (init_alias_analysis): Correct whitespace.
14751 * bb-reorder.c (fix_edges_for_rarely_executed_code,
14752 partition_hot_cold_basic_blocks): Likewise.
14753 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
14754 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
14755 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
14756 fold_builtin_snprintf_chk, fold_builtin_printf,
14757 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
14758 do_mpfr_arg3, do_mpfr_sincos): Likewise.
14759 * cfgcleanup.c (cleanup_cfg): Likewise.
14760 * cfgexpand.c (tree_expand_cfg): Likewise.
14761 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
14762 * function.c (get_next_funcdef_no): Likewise.
14763 * gengtype.c (main): Likewise.
14764 * genmodes.c (main): Likewise.
14765 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
14766 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
14767 * ifcvt.c (noce_emit_move_insn): Likewise.
14768 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
14769 Likewise.
14770 * stor-layout.c (get_best_mode): Likewise.
14771 * tree-ssa-loop-niter.c (get_val_for): Likewise.
14772 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
14773 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
14774 perform_var_substitution, solve_graph): Likewise.
14775 * tree-vrp.c (vrp_finalize): Likewise.
14776
14777 2007-02-01 Ian Lance Taylor <iant@google.com>
14778
14779 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
14780 high part of a paradoxical subreg, return a constant zero.
14781
14782 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
14783
14784 * toplev.c (lang_dependent_init): Call init_set_costs.
14785 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
14786
14787 2007-02-01 Richard Guenther <rguenther@suse.de>
14788
14789 PR middle-end/30656
14790 * fold-const.c (fold_negate_expr): Allow negating a
14791 constant if overflow does not change.
14792
14793 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14794
14795 * doc/c-tree.texi (Expression trees): Improve markup.
14796 * doc/tm.texi (Register Classes, Addressing Modes)
14797 (Floating Point): Fix spacing after abbreviations. Fix some
14798 typos.
14799
14800 2007-02-01 Ben Elliston <bje@au.ibm.com>
14801
14802 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
14803 * doc/contrib.texi: Likewise.
14804 * doc/install.texi: Likewise.
14805
14806 2007-01-31 Richard Henderson <rth@redhat.com>
14807 Ian Lance Taylor <iant@google.com>
14808
14809 * lower-subreg.c: New file.
14810 * rtl.def (CONCATN): Define.
14811 * passes.c (init_optimization_passes): Add pass_lower_subreg and
14812 pass_lower_subreg2.
14813 * emit-rtl.c (update_reg_offset): New static function, broken out
14814 of gen_rtx_REG_offset.
14815 (gen_rtx_REG_offset): Call update_reg_offset.
14816 (gen_reg_rtx_offset): New function.
14817 * regclass.c: Revert patch of 2006-03-05, restoring
14818 reg_scan_update.
14819 (clear_reg_info_regno): New function.
14820 * dwarf2out.c (concatn_loc_descriptor): New static function.
14821 (loc_descriptor): Handle CONCATN.
14822 * common.opt (fsplit_wide_types): New option.
14823 * opts.c (decode_options): Set flag_split_wide_types when
14824 optimizing.
14825 * timevar.def (TV_LOWER_SUBREG): Define.
14826 * rtl.h (gen_reg_rtx_offset): Declare.
14827 (reg_scan_update): Declare.
14828 * regs.h (clear_reg_info_regno): Declare.
14829 * tree-pass.h (pass_lower_subreg): Declare.
14830 (pass_lower_subreg2): Declare.
14831 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
14832 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
14833 -fsplit-wide-types.
14834 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
14835 * Makefile.in (OBJS-common): Add lower-subreg.o.
14836 (lower-subreg.o): New target.
14837
14838 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14839
14840 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
14841
14842 2007-01-31 Anatoly Sokolov <aesok@post.ru>
14843
14844 PR target/19087
14845 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
14846
14847 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14848
14849 PR middle-end/29335
14850 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
14851
14852 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
14853
14854 * cfgloop.h: Include vec-prim.h.
14855 (enum li_flags): Remove LI_ONLY_OLD.
14856 (loop_iterator): Changed.
14857 (fel_next, fel_init): Iterate over loop tree.
14858 (FOR_EACH_LOOP_BREAK): New macro.
14859 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
14860 FOR_EACH_LOOP.
14861 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
14862 * modulo-sched.c (sms_schedule): Ditto.
14863 * tree-vectorizer.c (vectorize_loops): Ditto.
14864 * doc/loop.texi: Update information on loop numbering and behavior of
14865 FOR_EACH_LOOP wrto new loops.
14866 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14867 add_to_evolution_1): Test nestedness of loops instead of comparing
14868 their numbers.
14869 * tree-chrec.c (chrec_fold_plus_poly_poly,
14870 chrec_fold_multiply_poly_poly, chrec_evaluate,
14871 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
14872 reset_evolution_in_loop): Ditto.
14873 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
14874
14875 2007-01-31 Dirk Mueller <dmueller@suse.de>
14876
14877 * c-common.c (warn_about_parentheses): Separate warning about
14878 un-parenthized sequence of comparison operators from the one
14879 which is supposed to warn about x <= y <= z.
14880
14881 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
14882
14883 * optabs.h (enum optab_index): Add new OTI_isinf.
14884 (isinf_optab): Define corresponding macro.
14885 * optabs.c (init_optabs): Initialize isinf_optab.
14886 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
14887 patterns.
14888 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
14889 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
14890 using isinf_optab.
14891 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
14892 expand_builtin_interclass_mathfn.
14893 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
14894 * config/i386/i386.md (UNSPEC_FXAM): New constant.
14895 (fxam<mode>2_i387): New insn pattern.
14896 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
14897 built-in functions as x87 inline asm.
14898
14899 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14900
14901 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
14902
14903 2007-01-30 Eric Christopher <echristo@apple.com>
14904
14905 * config.gcc: Add geode.
14906
14907 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
14908
14909 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
14910 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
14911 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
14912 value-prof.c: Fix comment typos.
14913
14914 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14915
14916 PR c++/24745
14917 * doc/invoke.texi (Wpointer-arith): Document warning.
14918
14919 2007-01-30 Janis Johnson <janis187@us.ibm.com>
14920
14921 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
14922 the list of discrepancies from the draft TR.
14923
14924 2007-01-30 Dirk Mueller <dmueller@suse.de>
14925
14926 PR c++/30601
14927 * doc/invoke.texi (-Wreturn-type): Update description to
14928 match new behavior.
14929
14930 2007-01-30 Richard Sandiford <richard@codesourcery.com>
14931
14932 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
14933
14934 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
14935
14936 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
14937 to handle optabs that operate on floating point input argument and
14938 output to integer output.
14939 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
14940 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
14941 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
14942 expand_builtin_interclass_mathfn ().
14943 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
14944 (ilogbsi2): Remove.
14945 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
14946 ilogbl built-in functions as x87 intrinsics.
14947
14948 2007-01-30 Richard Guenther <rguenther@suse.de>
14949
14950 PR middle-end/27657
14951 * dwarf2out.c (reference_to_unused): Query varpool if the
14952 variable was output.
14953
14954 2007-01-30 Richard Guenther <rguenther@suse.de>
14955
14956 PR middle-end/30313
14957 * passes.c (execute_one_pass): Reset in_gimple_form to not
14958 confuse non-unit-at-a-time mode.
14959
14960 2007-01-29 Roger Sayle <roger@eyesopen.com>
14961 Richard Guenther <rguenther@suse.de>
14962
14963 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
14964 avoid undefined behaviour on overflow. Use force_fit_type_double
14965 to construct the constant with the specified TREE_OVERFLOW.
14966
14967 2007-01-29 Janis Johnson <janis187@us.ibm.com>
14968
14969 * config/dfp-bit.c: Add parameterized support for fp exceptions.
14970 * config/dfp-bit.h: Ditto.
14971
14972 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14973
14974 * c-decl.c (pop_scope): Replace warnings with call to
14975 warn_for_unused_label.
14976 * c-common.h (warn_for_unused_label): Declare.
14977 * c-common.c (warn_for_unused_label): Define.
14978
14979 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14980
14981 * tree-optimize.c (update_inlined_to_pointers): Delete unused
14982 function.
14983
14984 2007-01-29 Janis Johnson <janis187@us.ibm.com>
14985
14986 * Makefile.in (USER_H): Remove decfloat.h.
14987 * ginclude/decfloat.h: Delete, moving contents to ...
14988 * ginclude/float.h: Add support for decimal floating point,
14989 guarded by __STDC_WANT_DEC_FP__.
14990
14991 2007-01-29 Mike Stump <mrs@apple.com>
14992
14993 * doc/gccint.texi (Top): Rename Loop Representation to Loop
14994 Analysis and Representation to resolve case insensitive conflict.
14995 * doc/loop.texi (Loop Analysis and Representation): Likewise.
14996
14997 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
14998
14999 * tree.h (struct tree_memory_tag): Add aliases member.
15000 (MTAG_ALIASES): New macro.
15001 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
15002 (add_may_alias): Remove pointer-set. Update for may_aliases being
15003 a bitmap.
15004 (mark_aliases_call_clobbered): Update for may_aliases being a
15005 bitmap.
15006 (compute_tag_properties): Ditto.
15007 (create_partition_for): Ditto.
15008 (compute_memory_partitions): Ditto.
15009 (dump_may_aliases_for): Ditto.
15010 (is_aliased_with): Ditto.
15011 (add_may_alias_for_new_tag): Ditto.
15012 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
15013 (compute_is_aliased): New function.
15014 (compute_may_aliases): Call compute_is_aliased).
15015 (init_alias_info): Initialize alias_bitmap_obstack.
15016 (union_alias_set_into): New function.
15017 (compute_flow_sensitive_aliasing): Use union_aliases_into.
15018 (have_common_aliases_p): Rewrite to take two bitmaps and use
15019 intersection.
15020 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
15021 Update for bitmaps.
15022 (finalize_ref_all_pointers): Update for add_may_alias changes.
15023 (new_type_alias): Ditto.
15024 * tree-flow-inline.h (may_aliases): Return a bitmap.
15025 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
15026 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
15027 may_aliases being a bitmap.
15028 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
15029 may_aliases now returns a bitmap.
15030 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
15031 being a bitmap.
15032 * tree-ssa-operands.c (add_virtual_operand): Update for
15033 may_aliases being a bitmap.
15034
15035 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
15036
15037 PR tree-optimization/30630
15038 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
15039 variable as changed.
15040
15041 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
15042
15043 PR c++/28266
15044 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
15045 expanded only once even if an error occurs.
15046
15047 2007-01-29 Ben Elliston <bje@au.ibm.com>
15048
15049 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
15050 (__gcov_average_profiler): Likewise.
15051 (__gcov_ior_profiler): Likewise.
15052 (__gcov_merge_ior): Likewise.
15053
15054 2007-01-28 Jan Hubicka <jh@suse.cz>
15055
15056 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
15057 * value-prof.c (stringop_block_profile): Likewise.
15058
15059 2007-01-28 Jan Hubicka <jh@suse.cz>
15060
15061 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
15062 variant handling histograms; add wrapper.
15063 (clear_storage_via_libcall): Export.
15064 (emit_block_move_hints): Break out from ...; add histograms.
15065 (emit_block_move): ... this one.
15066 (clear_storage_hints): Break out from ...; add histograms.
15067 (clear_storage): ... this one.
15068 (set_storage_via_memset): Handle histogram.
15069 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
15070 (clear_storage_hints, clear_storage_via_libcall): Declare.
15071 (set_storage_via_setmem): Update prototype.
15072 * doc/md.texi (movmem, setmem): Document new arguments.
15073
15074 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
15075 new histograms.
15076 (stringop_block_profile): New global function.
15077 (tree_stringops_values_to_profile): Profile block size and alignment.
15078 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
15079 HIST_TYPE_IOR.
15080 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
15081 (stringop_block_profile): Declare.
15082 * builtins.c: Include value-prof.h.
15083 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
15084 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
15085 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
15086 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
15087 * profile.c (instrument_values): Add new counters.
15088 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
15089 calls.
15090 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
15091 (tree_init_edge_profiler): Build new profilers.
15092 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
15093 (pass_tree_profile): Add dump.
15094 (tree_profile_hooks): Update.
15095 * Makefile.in (LIBGCOV): Add new constants.
15096 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
15097 __gcov_ior_profiler): New.
15098 * i386.md (movmem/setmem expanders): Add new optional arguments.
15099
15100 2007-01-28 David Edelsohn <edelsohn@gnu.org>
15101
15102 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
15103
15104 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15105
15106 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
15107 (tree_unswitch_single_loop): Pass eni_size_weights to
15108 tree_num_loop_insns.
15109 * tree-ssa-loop-manip.c: Include tree-inline.h.
15110 (can_unroll_loop_p): Pass eni_size_weights to
15111 tree_num_loop_insns.
15112 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
15113 Pass eni_size_weights to estimate_num_insns.
15114 * tree.h (init_inline_once): Export.
15115 * toplev.c (backend_init): Call init_inline_once.
15116 * cgraphunit.c (cgraph_process_new_functions,
15117 cgraph_analyze_function): Pass eni_inlining_weights to
15118 estimate_num_insns.
15119 * ipa-inline.c (compute_inline_parameters): Ditto.
15120 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
15121 to estimate_num_insns.
15122 (try_unroll_loop_completely): Pass eni_size_weights to
15123 tree_num_loop_insns.
15124 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
15125 ot estimate_num_insns.
15126 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
15127 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
15128 * tree-inline.c (eni_inlining_weights, eni_size_weights,
15129 eni_time_weights): New variables.
15130 (init_inline_once): Initialize them.
15131 (struct eni_data): Mew.
15132 (estimate_num_insns_1, estimate_num_insns): Use weights.
15133 * tree-inline.h (struct eni_weights_d): New.
15134 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
15135 (estimate_num_insns): Declaration changed.
15136 * cfgloop.h (tree_num_loop_insns): Declaration changed.
15137 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
15138 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
15139
15140 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15141
15142 * tree-data-ref.c (conflict_fn): Assert that the number of affine
15143 relations in the conflict function is valid.
15144
15145 2007-01-27 Ian Lance Taylor <iant@google.com>
15146
15147 * common.opt: Add fstrict-overflow.
15148 * opts.c (decode_options): Set flag_strict_overflow if -O2.
15149 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
15150 (TYPE_OVERFLOW_UNDEFINED): Define.
15151 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
15152 Replace all uses.
15153 * tree.h (TYPE_TRAP_SIGNED): Don't define.
15154 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
15155 (fold_negate_expr): Likewise.
15156 (make_range): Likewise.
15157 (extract_muldiv_1): Likewise.
15158 (maybe_canonicalize_comparison): Likewise.
15159 (fold_comparison): Likewise.
15160 (fold_binary): Likewise.
15161 (tree_expr_nonnegative_p): Likewise.
15162 (tree_expr_nonzero_p): Likewise.
15163 * tree-vrp.c (compare_values): Likewise.
15164 (extract_range_from_binary_expr): Likewise.
15165 (extract_range_from_unary_expr): Likewise.
15166 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
15167 Likewise.
15168 (nowrap_type_p): Likewise.
15169 * tree-scalar-evolution.c (simple_iv): Likewise.
15170 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
15171 (build_range_check): Likewise.
15172 (extract_muldiv_1): Likewise.
15173 (fold_comparison): Likewise.
15174 * tree-vrp.c (vrp_int_const_binop): Likewise.
15175 (extract_range_from_unary_expr): Likewise.
15176 * convert.c (convert_to_integer): Likewise.
15177 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
15178 (fold_comparison): Likewise.
15179 (fold_binary): Likewise.
15180 * optabs.c (optab_for_tree_code): Likewise.
15181 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
15182 * simplify-rtx.c (simplify_const_relational_operation): Check
15183 flag_strict_overflow and flag_trapv.
15184 (simplify_const_relational_operation): Likewise.
15185 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
15186 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
15187 -fstrict-overflow.
15188
15189 2007-01-27 Roger Sayle <roger@eyesopen.com>
15190
15191 * tree.c (tree_fold_gcd): Delete.
15192 * tree.h (tree_fold_gcd): Remove prototype.
15193 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
15194 test whether one constant integer is a multiple of another. Instead
15195 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
15196 * fold-const.c (multiple_of_p): We've determined both TOP and
15197 BOTTOM are integer constants so we can call int_const_binop directly
15198 instead of the more generic const_binop.
15199
15200 2007-01-27 Roger Sayle <roger@eyesopen.com>
15201
15202 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
15203 1*X check that the constant hasn't overflowed, to preserve the
15204 TREE_OVERFLOW bit.
15205 (round_up): Provide an efficient implementation when rouding-up an
15206 INTEGER_CST to a power-of-two.
15207
15208 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15209
15210 * doc/sourcebuild.texi: Add comma for clarity.
15211 * doc/extend.texi: Fix some typos.
15212 * doc/passes.texi: Likewise.
15213 * doc/cppinternals.texi: Likewise.
15214 * doc/c-tree.texi: Likewise.
15215 * doc/tree-ssa.texi: Likewise.
15216 * doc/install.texi: Likewise.
15217
15218 2007-01-27 Jan Hubicka <jh@suse.cz>
15219
15220 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
15221 (pass_sra): Do not require alias information.
15222 * passes.c (init_optimization_passes): Add SRA
15223
15224 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
15225
15226 * tracer.c (rest_of_handle_tracer): We already cleaned
15227 up the CFG in tracer() so don't do it here again.
15228 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
15229 cleanup_cfg here, either. And don't call renumber_insns.
15230
15231 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
15232 and BB_HEAD are in the insn stream here. Instead make sure
15233 that BB_INSN is valid on all insns. Also, do check here that
15234 there are no pending branch predictions...
15235 (rtl_verify_flow_info): ...instead of doing it here. Checks
15236 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
15237 here.
15238
15239 2007-01-26 Roger Sayle <roger@eyesopen.com>
15240
15241 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
15242 function to simplify/factorize operand order canonicalization.
15243 (ix86_fixup_binary_operands): Reorganize using the above function.
15244 (ix86_binary_operator_ok): Likewise.
15245
15246 2007-01-27 Jakub Jelinek <jakub@redhat.com>
15247
15248 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
15249 file scope from optimize_attrs.
15250 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
15251 up search.
15252 (optimize_attrs): Clear insn_code_values after freeing it.
15253
15254 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15255
15256 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
15257 a parts.base assignment.
15258
15259 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15260
15261 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
15262 (compute_subscript_distance, initialize_data_dependence_relation,
15263 finalize_ddr_dependent, analyze_ziv_subscript,
15264 analyze_siv_subscript_cst_affine,
15265 compute_overlap_steps_for_affine_univar,
15266 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
15267 analyze_siv_subscript, analyze_miv_subscript,
15268 analyze_overlapping_iterations, subscript_dependence_tester_1,
15269 compute_self_dependence, free_dependence_relation): Work
15270 with affine_fn instead of chrecs.
15271 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
15272 common_affine_function, affine_function_base,
15273 affine_function_constant_p, affine_fn_op, affine_fn_plus,
15274 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
15275 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
15276 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
15277 (all_chrecs_equal_p): Removed.
15278 * tree-data-ref.h (affine_fn, conflict_function): New types.
15279 (struct subscript): Change type of conflicting_iterations_in_a
15280 and conflicting_iterations_in_b.
15281
15282 2007-01-26 Steve Ellcey <sje@cup.hp.com>
15283
15284 PR other/30182
15285 * config/pa/pa.h (TARGET_HPUX_11): New.
15286 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
15287 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
15288
15289 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
15290 Richard Guenther <rguenther@suse.de>
15291
15292 * tree-ssa-structalias.c (solve_graph): Handle case
15293 we merged the variable to another.
15294
15295 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15296
15297 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
15298 functions.
15299
15300 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
15301 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
15302
15303 2007-01-25 DJ Delorie <dj@redhat.com>
15304
15305 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
15306 allow changes to modes which don't fit in those registers.
15307
15308 * reload1.c (choose_reload_regs): Check for invalid subregs before
15309 computing their locations, not after.
15310
15311 2007-01-25 Geoffrey Keating <geoffk@apple.com>
15312
15313 PR 25127
15314 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
15315 save Altivec registers in an eh_return function.
15316 (compute_vrsave_mask): Likewise.
15317 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
15318 for saving Altivec registers.
15319 (rs6000_emit_prologue): Don't allocate stack twice in
15320 eh_return function. Correct expected value of altivec_save_offset
15321 when using save_world. Describe save of R0 to stack when using
15322 save_world. Describe stack pointer adjustment when using
15323 save_world. Remove duplicated eh_return parameter register saving.
15324 Update sp_offset variable after save_world.
15325 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
15326 darwin-world.asm.
15327 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
15328 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
15329 implies Altivec.
15330
15331 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15332
15333 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
15334
15335 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15336
15337 PR other/30182
15338 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
15339 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
15340
15341 2007-01-25 Richard Guenther <rguenther@suse.de>
15342
15343 * doc/invoke.texi (-Wcoverage-mismatch): Document.
15344 * common.opt (-Wcoverage-mismatch): New warning option.
15345 * coverage.c (get_coverage_counts): Ignore coverage mismatch
15346 if -Wcoverage-mismatch is given.
15347
15348 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
15349
15350 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
15351 (ipcp_driver): Change to static definition.
15352 Add dumping of the ifunctions.
15353 (constant_val_insert): Remove unused parameter. Support for SSA.
15354 (ipcp_propagate_const): Support for SSA.
15355 (ipcp_profile_bb_print): Print only analyzed nodes.
15356 (ipcp_replace_map_create): Remove support for Fortran constant
15357 for now.
15358 * ipa-prop.c (ipa_method_modify_stmt,
15359 ipa_callsite_compute_param): Support for SSA.
15360 * ipa-prop.h (ipcp_driver): Remove declaration.
15361 (IS_VALID_TREE_MAP_INDEX): Add define.
15362
15363 2007-01-24 Geoffrey Keating <geoffk@apple.com>
15364
15365 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
15366
15367 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15368
15369 PR middle-end/30447
15370 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
15371 constant argument to cabs and do it without checking for
15372 -funsafe-math-optimizations.
15373
15374 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
15375
15376 * c-common.h (RID_FIRST_CXX0X): New.
15377 (RID_LAST_CXX0X): New.
15378 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
15379 by -Wall.
15380 * c.opt (Wc++0x-compat): New.
15381 * doc/invoke.texi (-Wc++0x-compat): Document.
15382
15383 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15384
15385 * builtins.c (fold_builtin_carg): New.
15386 (fold_builtin_1): Use it.
15387
15388 2007-01-24 Jan Hubicka <jh@suse.cz>
15389
15390 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
15391
15392 * ipa-inline.c (initial_insns, max_insns): Delete.
15393 (compute_max_insns): New function.
15394 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
15395 of insns as base for code growth.
15396 (cgraph_decide_inlining): Make initial_insns local; do not compute
15397 max_insns.
15398 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
15399 * doc/invoke.texi (inline-unit-growth): Update docs.
15400
15401 2007-01-24 Jakub Jelinek <jakub@redhat.com>
15402
15403 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
15404 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
15405 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
15406 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
15407 for CPUs that have PTA_CX16 set.
15408
15409 PR middle-end/27416
15410 * gimplify.c (omp_check_private): New function.
15411 (gimplify_scan_omp_clauses): Use it for
15412 firstprivate/lastprivate/reduction.
15413
15414 PR middle-end/30494
15415 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
15416 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
15417
15418 PR middle-end/30421
15419 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
15420 If lower_lastprivate_clauses emits some statements, append them
15421 to dlist rather than body_p and to body_p append an initializer.
15422 (lower_omp_for): Adjust caller.
15423
15424 2007-01-24 Steve Ellcey <sje@cup.hp.com>
15425
15426 * target.h (globalize_decl_name): New.
15427 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15428 * output.h (default_globalize_decl_name): New.
15429 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
15430 globalize_label.
15431 (globalize_decl): Ditto.
15432 (default_globalize_decl_name): New.
15433 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
15434 (ia64_handle_version_id_attribute): New.
15435 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15436 (ia64_asm_output_external): Use globalize_decl_name instead
15437 of globalize_label.
15438 * doc/extend.texi (version_id): New pragma.
15439 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
15440
15441 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15442
15443 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
15444 _uleb128_t and _Unwind_SWord with _sleb128_t.
15445 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
15446 uw_frame_state_for, uw_update_context_1): Likewise.
15447 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
15448 * unwind-pe.h (read_uleb128, read_sleb128,
15449 read_encoded_value_with_base): Likewise.
15450 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
15451
15452 2007-01-24 Richard Guenther <rguenther@suse.de>
15453
15454 * builtins.c (expand_builtin_cexpi): Get the fndecl
15455 for cexp in the correct way.
15456
15457 2007-01-24 Jan Hubicka <jh@suse.cz>
15458
15459 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
15460
15461 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15462
15463 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
15464 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
15465 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
15466 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
15467 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
15468 __SIZEOF_PTRDIFF_T__.
15469 * doc/cpp.texi: Documentation for the new builtin macros added.
15470
15471 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
15472
15473 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
15474 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
15475 instead of operands[2] to avoid access past the end of array.
15476
15477 2007-01-24 Richard Sandiford <richard@codesourcery.com>
15478
15479 * reload1.c (emit_reload_insns): Pass the reload register
15480 for a non-spill output reload through forget_old_reloads_1.
15481
15482 2007-01-23 Joseph Myers <joseph@codesourcery.com>
15483
15484 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
15485 _SOFT_DOUBLE if doubles use software floating-point.
15486 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
15487 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15488 * config/rs6000/darwin-ldouble.c: Also compile functions for
15489 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
15490 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15491 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
15492 commented-out long double override.
15493 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
15494 * config/rs6000/eabispe.h: Likewise.
15495 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
15496 long double for non-SPE.
15497 (rs6000_handle_option): Likewise.
15498 (invalid_e500_subreg): Disallow more subregs involding DImode,
15499 DFmode, TImode or TFmode.
15500 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
15501 E500 double.
15502 (legitimate_lo_sum_address_p): Also check for TFmode for E500
15503 double.
15504 (rs6000_legitimize_address): Also handle TFmode for E500 double.
15505 (rs6000_legitimize_reload_address): Also handle TFmode for E500
15506 double.
15507 (rs6000_legitimate_address): Also check for TFmode for E500
15508 double.
15509 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
15510 (spe_build_register_parallel): Handle TFmode and TCmode.
15511 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
15512 double.
15513 (function_arg): Handle TFmode and TCmode for E500 double.
15514 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
15515 in general.
15516 (print_operand): Handle TFmode and TImode for %y.
15517 (rs6000_generate_compare): Handle TFmode comparisons for E500
15518 double.
15519 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
15520 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
15521 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
15522 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
15523 TFmode for E500 double.
15524 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
15525 (floatsidf2): Enable for E500 double.
15526 (movtf_softfloat): Use rs6000_nonimmediate_operand.
15527 (extenddftf2): Change to extenddftf2_fprs.
15528 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
15529 depending on TARGET_E500_DOUBLE.
15530 (extendsftf2): Enable for E500 double.
15531 (trunctfdf2): Enable for E500 double.
15532 (trunctfsf2): Change to trunctfsf2_fprs.
15533 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
15534 depending on TARGET_E500_DOUBLE.
15535 (floatsitf2): Enable for E500 double.
15536 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
15537 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
15538 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
15539 (negtf2): Change to negtf2_internal.
15540 (negtf2): New expander.
15541 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
15542 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
15543 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
15544 (movdi_internal32): Use rs6000_nonimmediate_operand.
15545 (unnamed splitter): Likewise.
15546 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
15547 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
15548 (SPE64TF, DITI): New mode macros.
15549 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
15550 modes.
15551 (frob_tf_ti): New.
15552 (frob_<mode>_di_2): New.
15553 (frob_tf_di_8_2): New.
15554 (frob_di_df): Change to frob_di_<mode>; allow more modes.
15555 (frob_ti_tf): New.
15556 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
15557 more modes.
15558 (frob_ti_<mode>_8_2): New.
15559 (frob_ti_tf_2): New.
15560 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
15561 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
15562 TFmode.
15563 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
15564 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
15565 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
15566 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
15567 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
15568 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
15569 tsttflt_gp): New.
15570
15571 2007-01-23 Ian Lance Taylor <iant@google.com>
15572
15573 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
15574 insn-*.o first.
15575 (OBJS-archive): Reformat, alphabetize.
15576 (OBJS): Change out_object_file to OBJS-md.
15577
15578 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
15579
15580 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
15581 JUMP_P and CALL_P predicates where applicable.
15582 * config/i386/i386.c: Ditto.
15583 * config/i386/i386.md: Ditto.
15584 * config/i386/mmx.md: Ditto.
15585 * config/i386/predicates.md: Ditto.
15586
15587 2007-01-22 Andreas Schwab <schwab@suse.de>
15588
15589 * config/m68k/m68k.h: Fix comment.
15590
15591 2007-01-22 Jan Hubicka <jh@suse.cz>
15592
15593 * passes.c (init_optimization_passes): Do not rerun
15594 pass_early_warn_uninitialized.
15595
15596 2007-01-22 Richard Guenther <rguenther@suse.de>
15597
15598 PR tree-optimization/30038
15599 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
15600 function.
15601 (execute_cse_sincos_1): Likewise.
15602 (execute_cse_sincos): Likewise.
15603 (gate_cse_sincos): Likewise.
15604 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
15605 the cexpi() canonicalization of sincos().
15606 * tree-pass.h (pass_cse_sincos): Declare.
15607 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
15608
15609 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15610
15611 PR rtl-optimization/29329
15612 * combine.c (replaced_rhs_insn): Rename to i2mod.
15613 (replaced_rhs_value): Rename to i2mod_new_rhs.
15614 (i2mod_old_rhs): New global variable.
15615 (combine_instructions): Adjust for above change. Save a copy of
15616 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
15617 note are substituted in the second instruction.
15618 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
15619 ditch the note if it pertains to the second eliminated register
15620 and this register is mentioned in i2mod_old_rhs.
15621
15622 Revert:
15623 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
15624
15625 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
15626 the insn to which the note was originally attached.
15627
15628 2007-01-21 Jan Hubicka <jh@suse.cz>
15629
15630 * ipa-inline.c (inlining_mode): Comment, move up.
15631 (cgraph_decide_inlining_incrementally): Do not perform inlining
15632 itself; fix handling of flattening of self recursive functions.
15633 (cgraph_find_cycles): Remove.
15634 (cgraph_flatten_node): Remove.
15635 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
15636 (try_inline): New function.
15637 (cgraph_early_inlining): Update call of
15638 cgraph_decide_inlining_incrementally. Apply inlining here.
15639 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
15640
15641 2007-01-21 Dirk Mueller <dmueller@suse.de>
15642
15643 PR bootstrap/30511
15644 * tree-vrp.c (check_array_bounds): do not warn
15645 about ADDR_EXPR's of ARRAY_REF's which are immediately
15646 used in binary expressions.
15647
15648 2007-01-21 Ira Rosen <irar@il.ibm.com>
15649
15650 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
15651 read_write_dep and macros for its access.
15652 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
15653 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
15654 argument, call vect_check_interleaving for every independent pair of
15655 data-refs. Mark loads that access the same memory location as a store
15656 in the loop.
15657 (vect_check_dependences): Remove.
15658 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
15659 call, fix the call to vect_analyze_data_ref_dependence.
15660 (vect_analyze_data_ref_access): For statements that access the same
15661 data-ref, check that they are not stores; for loads, check that there
15662 is no store that access the same location.
15663
15664 2007-01-20 Roger Sayle <roger@eyesopen.com>
15665 Joseph Myers <joseph@codesourcery.com>
15666
15667 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
15668 (-fdump-rtl-stack): Likewise.
15669 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
15670 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
15671 (-mpt-fixed): Use @minus{} for minus sign.
15672 (Using Precompiled Headers): Fix under/overfull hbox.
15673
15674 2007-01-20 Jan Hubicka <jh@suse.cz>
15675
15676 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
15677 place within annotation.
15678
15679 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15680
15681 * pa.c (output_move_double): Change array size of xoperands to 4.
15682
15683 2007-01-20 Jan Hubicka <jh@suse.cz>
15684
15685 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
15686 as temporary.
15687
15688 2007-01-19 Ian Lance Taylor <iant@google.com>
15689
15690 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
15691 constant to unsigned HOST_WIDE_INT before negating.
15692
15693 2007-01-19 Ian Lance Taylor <iant@google.com>
15694
15695 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
15696 to unsigned.
15697 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
15698 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15699 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
15700 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
15701 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15702 (realloc_vdef, realloc_vuse): Change second parameter to
15703 unsigned.
15704 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
15705 fields to unsigned.
15706 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
15707 unsigned. Change x and lim locals to unsigned.
15708 (realloc_vdef, realloc_vuse): Change num_elem parameter to
15709 unsigned.
15710 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
15711 (copy_virtual_operands): Change i and n locals to unsigned.
15712
15713 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15714
15715 PR middle-end/29335
15716 * builtins.c (fold_builtin_1): Handle builtin fdim.
15717
15718 2007-01-20 Jan Hubicka <jh@suse.cz>
15719
15720 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
15721 * tree-ssa-structalias.c (compute_points_to_sets): Do call
15722 init_alias_heapvars.
15723 (init_alias_heapvars): Initialize only when not already initialized.
15724 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
15725
15726 2007-01-19 Roger Sayle <roger@eyesopen.com>
15727
15728 * common.opt (fsigned-zeros): New command line option.
15729 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
15730 of flag_unsafe_math_optimizations.
15731 * opts.c (set_fast_math_flags): The -ffast-math command line option
15732 implies -fno-signed-zeros.
15733 (fast_math_flags_set_p): Likewise.
15734
15735 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
15736 the documentation of -ffast-math appropriately. Wrap long lines.
15737
15738 2007-01-19 Steve Ellcey <sje@cup.hp.com>
15739
15740 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
15741 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
15742
15743 2007-01-19 Tomas Bily <tbily@suse.cz>
15744
15745 * cgraphunit.c (cgraph_finalize_function): Updating of pid
15746 * tree-profile.c:
15747 (tree_init_ic_make_global_vars): New function
15748 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
15749 (tree_gen_ic_profiler): New function
15750 (tree_gen_ic_func_profiler): New function
15751 (tree_profiling): Added calling of tree_gen_ic_func_profiler
15752 (tree_profile_hooks): Added hook for indirec/virtual calls
15753 * value-prof.c (tree_find_values_to_profile): New case for
15754 indirect calls
15755 (tree_values_to_profile): Call for determining indirect/virtual
15756 counters
15757 (tree_indirect_call_to_profile): New function
15758 (tree_ic_transform): New function
15759 (tree_ic): New function
15760 (find_func_by_pid): New function
15761 (init_pid_map): New function
15762 (tree_value_profile_transformations): Added check for
15763 indirect/virtual call transformation
15764 * value-prof.h (enum hist_type): New counter type for
15765 indirect/virtual calls
15766 (profile_hooks): Added new hook for profiling indirect/virtual
15767 calls
15768 * profile.c (instrument_values): New case for indirect/virtual
15769 call added
15770 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
15771 (GCOV_COUNTER_V_INDIR): New counter type
15772 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
15773 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
15774 call added
15775 * cgraph.c: Definition of cgraph_max_pid
15776 (cgraph_create_node): Default init of pid attribute
15777 * cgraph.h: Declaration of cgraph_max_pid
15778 (struct cgraph_node): Added pid attribute
15779 * libgcov.c (__gcov_indirect_call_profiler): New function
15780 (__gcov_one_value_profiler_body): New function
15781 (__gcov_one_value_profiler): Body was moved to
15782 __gcov_one_value_profiler_body and calls it
15783
15784 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
15785
15786 * doc/gty.texi (Options): Document the mark_hook option to GTY.
15787 * gengtype.c (write_types_data, write_func_for_structure,
15788 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
15789 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
15790 (walk_type, write_func_for_structure): Generate the mark_hook if
15791 needed.
15792
15793 2007-01-19 Jan Hubicka <jh@suse.cz>
15794
15795 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
15796 'early' argument take inlining mode argument specifying whether to
15797 inline for size/speeed or all functions; add support for flattening;
15798 improve dumpting.
15799 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
15800
15801 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15802
15803 PR c++/17947
15804 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
15805 the name of the declared identifier.
15806
15807 2007-01-19 Dirk Mueller <dmueller@suse.de>
15808
15809 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
15810 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
15811 duplicate evaluation.
15812
15813 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
15814
15815 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
15816 Macroize expander using X87MODEF12 mode macro. Extend operand 1
15817 to XFMode, use acosxf2 and truncate result to requested mode.
15818 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
15819 (asin<mode>2): Similarly, with asin expanders.
15820 (*fscalexf4_i387): Rename from *fscalexf4.
15821 (expNcorexf3): New expander.
15822 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
15823 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
15824 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
15825 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
15826 patterns for SSE math.
15827 (exp10<mode>2): Similarly, with exp10 expanders.
15828 (exp2<mode>2): Similarly, with exp2 expanders.
15829 (expm1<mode>2): Similarly, with expm1 expanders.
15830 (ldexp<mode>3): Similarly, with ldexp expanders.
15831 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
15832 Use gen_truncxf<mode>2_i387_noop to truncate result.
15833
15834 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15835
15836 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
15837 for ColdFire targets.
15838
15839 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
15840 Richard Sandiford <richard@codesourcery.com>
15841
15842 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
15843 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
15844 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
15845 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
15846 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15847 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
15848
15849 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15850
15851 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
15852 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
15853 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
15854 (*adddi_dilshr32_cf): New pattern.
15855 (adddi3, subdi3): Remove first alternatives.
15856
15857 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15858
15859 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
15860 implemented using move.l, do not use its cc result for floating-point
15861 comparisons.
15862
15863 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15864
15865 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
15866 from accepting 's' constraints if flag_pic.
15867
15868 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15869
15870 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
15871 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
15872 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
15873 condition from TARGET_68881 to TARGET_HARD_FLOAT.
15874
15875 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
15876
15877 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
15878 ColdFire alternatives.
15879 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
15880 * config/m68k/m68k.md (clzsi2): Define for ColdFire
15881 architectures that support ff1 instruction.
15882
15883 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15884 Julian Brown <julian@codesourcery.com>
15885
15886 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
15887 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
15888 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
15889 Add commentary.
15890
15891 2007-01-19 Richard Sandiford <richard@codesourcery.com>
15892
15893 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
15894 and return a bool.
15895 (output_move_const_into_data_reg, output_move_simode_const): Delete.
15896 * config/m68k/m68k.c (const_method, const_int_cost): Take a
15897 HOST_WIDE_INT instead of an rtx.
15898 (m68k_rtx_costs): Update call accordingly.
15899 (output_move_const_into_data_reg): Likewise. Fix formatting.
15900 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
15901 Return a bool.
15902 (output_move_simode_const): Update calls after above changes.
15903 Rework to use automatic variables and predicates like MEM_P.
15904 * config/m68k/m68k.md (pushexthisi_const): Update call to
15905 valid_mov3q_const.
15906
15907 2007-01-19 Dirk Mueller <dmueller@suse.de>
15908
15909 * tree-ssa-alias.c (perform_var_substitution): Fix typo
15910 in dump_flags test.
15911
15912 2007-01-19 Richard Guenther <rguenther@suse.de>
15913
15914 * builtins.c (expand_builtin_cexpi): Fall back to expanding
15915 via cexp in case sincos is not available.
15916
15917 2007-01-19 Richard Guenther <rguenther@suse.de>
15918
15919 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
15920 * defaults.h (TARGET_HAS_SINCOS): Default to off.
15921 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
15922 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
15923 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
15924 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
15925 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
15926 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
15927
15928 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
15929
15930 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
15931 New insn patterns.
15932 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
15933 (atan2xf3): Directly generate RTL pattern.
15934 (atan2<mode>3): Rename from atan2sf3 and atan2df3 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 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
15939 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
15940 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
15941 disable patterns for SSE math.
15942
15943 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
15944
15945 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
15946
15947 2007-01-18 Roger Sayle <roger@eyesopen.com>
15948
15949 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
15950 VIEW_CONVERT_EXPR to the same type as it's operand.
15951
15952 2007-01-18 David Edelsohn <edelsohn@gnu.org>
15953
15954 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
15955 configured for long double 128.
15956
15957 2007-01-18 Mike Stump <mrs@apple.com>
15958
15959 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
15960 error.
15961
15962 2007-01-18 Michael Meissner <michael.meissner@amd.com>
15963
15964 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
15965 type correct.
15966
15967 2007-01-18 Jan Hubicka <jh@suse.cz>
15968
15969 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
15970 greater than NUM_VOP_FREE_BUCKETS.
15971
15972 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
15973
15974 * tree-ssa-structalias.c: Update comments.
15975 (ptabitmap_obstack): Removed.
15976 (pta_obstack): New.
15977 (oldpta_obstack): Ditto.
15978 (stats): Add a few members.
15979 (struct variable_info): Remove node, complex, address_taken, and
15980 indirect_target members. Add oldsolution member.
15981 (new_var_info): Do not initialize removed members.
15982 (constraint_expr_type): Remove INCLUDES.
15983 (constraint_graph): Add size, implicit_preds, rep,
15984 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
15985 (FIRST_REF_NODE): New macro.
15986 (LAST_REF_NODE): Ditto.
15987 (FIRST_ADDR_NODE): Ditto.
15988 (find): New function.
15989 (unite): Ditto.
15990 (dump_constraint): Do not handle INCLUDES.
15991 (insert_into_complex): Do not insert duplicate constraints.
15992 (condense_varmap_nodes): Renamed and rewritten into ...
15993 (merge_node_constraints): This. Also fix bug in handling of
15994 offseted copy constraints.
15995 (clear_edges_for_node): No longer need to deal with preds at all,
15996 or removing associated preds/succs.
15997 (merge_graph_nodes): Deal with indirect_cycles.
15998 Don't deal with predecessors.
15999 (add_implicit_graph_edge): New function.
16000 (add_pred_graph_edge): Ditto.
16001 (add_graph_edge): Don't deal with predecessors.
16002 (build_constraint_graph): Removed.
16003 (build_pred_graph): New function.
16004 (build_succ_graph): Ditto.
16005 (struct scc_info): Removed in_component. Added roots, dfs, and
16006 node_mapping. Remove visited_index, unification_queue.
16007 (scc_visit): Deal with union-find we do now.
16008 Deal with cycles with REF nodes.
16009 (collapse_nodes): Renamed and rewritten to ...
16010 (unify_nodes): This.
16011 (process_unification_queue): Removed.
16012 (topo_visit): Cleanup
16013 (do_da_constraint): Use find.
16014 (do_sd_constraint): Ditto.
16015 (do_ds_constraint): Ditto.
16016 (do_complex_constraint): Ditto.
16017 (init_scc_info): Update for removed and added members.
16018 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
16019 (find_indirect_cycles): This.
16020 (equivalence_class): New variable.
16021 (label_visit): New function.
16022 (perform_variable_substitution): Rewritten.
16023 (free_var_substitution_info): New function.
16024 (find_equivalent_node): Ditto.
16025 (move_complex_constraints): Ditto.
16026 (eliminate_indirect_cycles): Ditto.
16027 (solve_graph): Only propagate changed bits.
16028 Use indirect cycle elimination.
16029 Use find.
16030 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
16031 (tree_id_eq): Renamed to ...
16032 (tree_vi_eq): This. Update for member change
16033 (insert_id_for_tree): Renamed and rewritten to ...
16034 (insert_vi_for_tree): This.
16035 (lookup_id_for_tree): Renamed and rewritten to ...
16036 (lookup_vi_for_tree): This.
16037 (get_id_for_tree): Renamed and rewritten to ...
16038 (get_vi_for_tree): Ditto.
16039 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
16040 (process_constraint): Don't handle INCLUDES.
16041 Remove special ADDRESSOF case.
16042 (find_func_aliases): Rewrite to use vi functions instead of id
16043 ones.
16044 (create_function_info_for): Ditto.
16045 (create_variable_info_for): Ditto.
16046 (intra_create_variable_infos): Ditto.
16047 (merge_smts_into): Ditto.
16048 (find_what_p_points_to): Ditto.
16049 (init_base_vars): Ditto.
16050 (init_alias_vars): Ditto.
16051 (remove_preds_and_fake_succs): New function.
16052 (dump_sa_points_to_info): Dump new stats.
16053 (dump_solution_for_var): Use find.
16054 (set_used_smts): Fix formatting.
16055 (compute_points_to_sets): Updated for new functions.
16056 (ipa_pta_execute): Ditto.
16057
16058 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16059 Richard Sandiford <richard@codesourcery.com>
16060
16061 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
16062 parallels.
16063 * calls.c (expand_call): If the return value is a PARALLEL,
16064 extract its first member.
16065 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
16066 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16067 use FUNCTION_EXTRA_EPILOGUE.
16068 (m68k_function_value): Return a PARALLEL if the return value
16069 is of a pointer type.
16070 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
16071 (FUNCTION_EXTRA_EPILOGUE): Remove.
16072 * config/m68k/m68k.md (D0_REG): New constant.
16073
16074 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16075
16076 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16077 output a NOP for empty epilogues.
16078
16079 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16080
16081 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
16082 before function. Extend register save check to include all
16083 registers, not just integer ones.
16084
16085 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16086
16087 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
16088 (m68k_use_return_insn): ...this.
16089 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
16090 * config/m68k/m68k.c (use_return_insn): Rename to...
16091 (m68k_use_return_insn): ...this.
16092 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
16093 of USE_RETURN_INSN.
16094
16095 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16096
16097 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
16098 nearest even, fix denormal rounding overflow.
16099
16100 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16101
16102 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
16103 f%$smove and f%$move.
16104 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
16105 (extendsfdf2_cf): Use fdmove instead of f%&move.
16106 (truncdfsf2_cf): Use fsmove instead of f%$smove.
16107 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
16108
16109 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16110
16111 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
16112 GPR<-GPR moves.
16113
16114 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16115
16116 * real.h (real_format): Add a canonical_nan_lsbs_set field.
16117 (coldfire_single_format): Declare.
16118 (coldfire_double_format): Likewise.
16119 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
16120 of qnan_msb_set to determine the lower bits of a canonical
16121 NaN significand.
16122 (encode_ieee_double): Likewise.
16123 (encode_ieee_quad): Likewise.
16124 (ieee_single_format): Initialize canonical_nan_lsbs_set.
16125 (mips_single_format): Likewise.
16126 (ieee_double_format): Likewise.
16127 (mips_double_format): Likewise.
16128 (ieee_extended_motorola_format): Likewise.
16129 (ieee_extended_intel_96_format): Likewise.
16130 (ieee_extended_intel_128_format): Likewise.
16131 (ieee_extended_intel_96_round_53_format): Likewise.
16132 (ibm_extended_format): Likewise.
16133 (mips_extended_format): Likewise.
16134 (ieee_quad_format): Likewise.
16135 (mips_quad_format): Likewise.
16136 (vax_f_format): Likewise.
16137 (vax_d_format): Likewise.
16138 (vax_g_format): Likewise.
16139 (i370_single_format): Likewise.
16140 (i370_double_format): Likewise.
16141 (decimal_single_format): Likewise.
16142 (decimal_double_format): Likewise.
16143 (decimal_quad_format): Likewise.
16144 (c4x_single_format): Likewise.
16145 (c4x_extended_format): Likewise.
16146 (real_internal_format): Likewise.
16147 (coldfire_single_format): New real_format.
16148 (coldfire_double_format): Likewise.
16149 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
16150 canonical_nan_lsbs_set.
16151 (pdp11_d_format): Likewise.
16152 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
16153 if TARGET_COLDFIRE_CPU.
16154
16155 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16156
16157 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
16158 (output_call, m68k_legitimize_call_address): Declare.
16159 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
16160 parenthesees. Add support for a 'W' constraint.
16161 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
16162 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
16163 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
16164 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
16165 variables.
16166 (override_options): Initialize them. Do not set flag_no_function_cse
16167 for TARGET_ID_SHARED_LIBRARY.
16168 (m68k_output_pic_call): Delete.
16169 (m68k_legitimize_call_address): New function.
16170 (print_operand): Remove the %o prefix. Handle the %p prefix.
16171 (output_call): New function.
16172 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
16173 target address from the GOT if symbolic jumps are not allowed.
16174 * config/m68k/m68k.md (call, general_operand): Do not set
16175 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
16176 Merge separate flag_pic and !flag_pic define_insns into...
16177 (*call, *call_value): ...these new patterns. Match the address
16178 rather than the containing MEM and require it to be a call_operand.
16179 Use output_call to generate the asm template.
16180 * config/m68k/predicates.md (const_call_operand): New predicate.
16181 (call_operand): Likewise.
16182
16183 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16184
16185 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
16186 (STACK_GROWS_DOWNWARD): Define to 1.
16187 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
16188 comments, emphasizing that these values are only defaults.
16189 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
16190 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
16191
16192 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16193
16194 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
16195
16196 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16197 Richard Sandiford <richard@codesourcery.com>
16198
16199 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
16200 (FP_REGNO_P): New macros.
16201 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
16202 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
16203 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
16204 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
16205
16206 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16207
16208 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16209 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
16210 to $tmake_file.
16211 * config/m68k/t-floatlib: New file, extracting common code from...
16212 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
16213 * config/m68k/t-uclinux: Here.
16214 * config/m68k/fpgnulib.c: Do not compile extendeed precision
16215 routines on ColdFire targets.
16216
16217 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16218
16219 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16220 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
16221 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
16222 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
16223 explicitly set MOTOROLA to 1.
16224 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
16225
16226 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16227 Nathan Sidwell <nathan@codesourcery.com>
16228
16229 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
16230 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
16231 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
16232 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
16233 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
16234 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
16235 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
16236 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
16237 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
16238 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16239 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
16240 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
16241 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
16242 (DBX_REGISTER_NUMBER): Delete.
16243 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
16244 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16245 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
16246
16247 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16248
16249 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
16250 * config/flat.h: New file.
16251 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
16252 OBJECT_FORMAT_FLAT.
16253 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
16254 indirect references for -msep-data or -mid-shared-library.
16255 Do not use PC-relative code addresses either.
16256 * config/m68k/m68k.c (override_options): Restrict -fPIC error
16257 to -mpcrel.
16258 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
16259 for shared libraries and crt1.o for executables. Use crti.o and
16260 crtbegin.o.
16261 (ENDFILE_SPEC): Use crtend.o and crtn.o.
16262 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
16263 Do not add -elf2flt or -shared-lib-id options here.
16264 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
16265 Pass -shared-lib-id if -mid-shared-library, taking the library
16266 identifier from -mshared-library-id if given, otherwise
16267 defaulting to 0.
16268 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
16269 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
16270 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
16271 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
16272 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
16273 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
16274 and crtend.o.
16275 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
16276 jump sequence for ISA A and ISA A+.
16277 (PICJUMP): Likewise.
16278
16279 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16280
16281 * config.gcc (m68k-*-uclinux*): Base the port on the common
16282 and m68k GNU/Linux files rather than on the generic ELF ones.
16283 * config/m68k/uclinux.h (TARGET_VERSION): Override.
16284 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
16285
16286 2007-01-18 Julian Brown <julian@codesourcery.com>
16287 Richard Sandiford <richard@codesourcery.com>
16288
16289 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
16290 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16291 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
16292 before redefining.
16293 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
16294 80 unconditionally.
16295 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16296
16297 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16298
16299 * doc/install.texi: Document m68k-uclinuxoldabi.
16300 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
16301 * config/m68k/uclinux-oldabi.h: New file, copied from
16302 config/m68k/uclinux.h.
16303
16304 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
16305
16306 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
16307 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
16308 (m32r_compute_frame_size): Use unsigned for regno.
16309 (m32r_reload_lr): Use gen_frame_mem.
16310 (pop): New.
16311 (m32r_output_function_epilogue): Don't output the function epilogue
16312 textually here.
16313 (m32r_expand_epilogue): New.
16314 (direct_return): Return false if the function has the interrupt
16315 attribute.
16316 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
16317 * config/m32r/m32r.md (epilogue): New expander.
16318 (return_lr, return_rte): New insns.
16319 (return): Make it expander.
16320 (return_normal): New expander.
16321
16322 2007-01-18 Josh Conner <jconner@apple.com>
16323
16324 PR target/30485
16325 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
16326 support for UNLE, UNLT, UNGE, and UNGT.
16327
16328 2007-01-18 Jan Hubicka <jh@suse.cz>
16329
16330 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
16331 * tree-tailcall (add_virtual_phis): Likewise.
16332 (optimize_tail_call): Return TODOs.
16333 (execute_tail_calls): Return TODOs.
16334 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
16335 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
16336 changed.
16337 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
16338 Cleanup cfg using TODO.
16339 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
16340 * passes.c (execute_function_todo): When cleanup did something, remove
16341 unused locals.
16342 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
16343 (make_edges): Don't cleanup_cfg.
16344
16345 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
16346
16347 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
16348 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
16349 operate on the top of stack.
16350 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
16351 register handling of instructions that output to the second
16352 stack slot.
16353 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
16354 (move_for_stack_reg): Special-case check for dead destination
16355 stack slot for constant load of 1.0 inside UNSPEC_TAN.
16356
16357 * config/i386/i386.md (UNSPEC_TAN): New constant.
16358 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
16359 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
16360 to correctly model move of constant 1.0 to top stack slot.
16361 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
16362 (unnamed peephole2 pattern): Remove corresponding peephole2
16363 pattern that optimizes tan insn and loading of constant 1.0.
16364 (tanxf2): Use fptanxf4_i387.
16365 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
16366 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
16367 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16368 disable patterns for SSE math.
16369 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
16370 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
16371
16372 2007-01-18 Dirk Mueller <dmueller@suse.de>
16373 Richard Guenther <rguenther@suse.de>
16374
16375 PR diagnostic/8268
16376 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
16377 * common.opt (Warray-bounds): Add new warning option.
16378 * c-opts.c (c_common_handle_option): Define -Warray-bounds
16379 if -Wall is given.
16380 * Makefile.in: make tree-vrp.o depend on toplev.h
16381 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
16382 is enabled.
16383 (check_array_refs, check_array_bounds, check_array_ref): New.
16384
16385 2007-01-18 Jan Hubicka <jh@suse.cz>
16386
16387 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
16388 (execute_ssa_ccp): Return flags conditionally.
16389 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
16390 changed.
16391 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
16392
16393 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
16394
16395 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
16396 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
16397
16398 * Makefile.c (GTFILES): Add cfglayout.h.
16399 * gengtype.c (open_base_files): Likewise.
16400 * cfglayout.c (cfg_layout_function_footer,
16401 cfg_layout_function_header) Reindent to make gengtype happy.
16402 * cfglayout.h (cfg_layout_function_footer,
16403 cfg_layout_function_header): Add GTY(()) marker.
16404
16405 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
16406
16407 2007-01-18 Ben Elliston <bje@au.ibm.com>
16408
16409 * genautomata.c (write_automata): Include xstrerror output in the
16410 error message if writing the DFA description file fails.
16411
16412 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
16413
16414 * config/mips/mips-protos.h (mips_output_external): Make it
16415 return void.
16416 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
16417 * config/mips/mips.c (irix_output_external_libcall): Likewise.
16418 (extern_list): Likewise.
16419 (extern_head): Likewise.
16420 (TARGET_ASM_FILE_END): Likewise.
16421 (mips_file_end): Likewise.
16422 (mips_output_external): Rewritten.
16423
16424 2007-01-18 Ben Elliston <bje@au.ibm.com>
16425
16426 * genpreds.c (write_insn_preds_c): Only write out the function
16427 body for regclass_for_constraint if we have register constraints.
16428
16429 2007-01-17 Tom Tromey <tromey@redhat.com>
16430
16431 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
16432 * doc/install.texi (Testing): Use sourceware.org.
16433 (Binaries): Likewise.
16434 (Specific): Likewise.
16435 * doc/contrib.texi (Contributors): Use sourceware.org.
16436
16437 2007-01-17 Anatoly Sokolov <aesok@post.ru>
16438
16439 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
16440 (AVR_ENHANCED): Rename to ...
16441 (AVR_HAVE_MUL): ... new.
16442 (avr_enhanced_p): Rename to ...
16443 (avr_have_mul_p): ... new.
16444 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
16445 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
16446 * config/avr/avr.c (avr_enhanced_p): Rename to ...
16447 (avr_have_mul_p): ... new.
16448 (base_arch_s): Rename 'enhanced' to 'have_mul'.
16449 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
16450 'avr_enhanced_p' and 'enhanced'.
16451 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
16452 AVR_HAVE_MUL instead of AVR_ENHANCED.
16453 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16454 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
16455 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
16456 instead of AVR_ENHANCED.
16457 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16458 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
16459 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
16460
16461 2007-01-17 Ian Lance Taylor <iant@google.com>
16462
16463 * vec.h (VEC_reserve_exact): Define.
16464 (vec_gc_p_reserve_exact): Declare.
16465 (vec_gc_o_reserve_exact): Declare.
16466 (vec_heap_p_reserve_exact): Declare.
16467 (vec_heap_o_reserve_exact): Declare.
16468 (VEC_OP (T,A,reserve_exact)): New static inline function, three
16469 versions.
16470 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
16471 negative parameter.
16472 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
16473 (VEC_OP (T,A,copy)) [all versions]: Likewise.
16474 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
16475 * vec.c (calculate_allocation): Add exact parameter. Change all
16476 callers.
16477 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
16478 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
16479 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
16480 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
16481 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
16482 (vec_heap_p_reserve_exact): New function.
16483 (vec_heap_o_reserve_exact): New function.
16484
16485 2007-01-17 Jan Hubicka <jh@suse.cz>
16486
16487 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
16488
16489 2007-01-17 Eric Christopher <echristo@apple.com>
16490
16491 * config.gcc: Support core2 processor.
16492
16493 2007-01-16 Jan Hubicka <jh@suse.cz>
16494
16495 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
16496 the names, just unlink the chain so we don't crash on dangling pointers
16497 to dead SSA names.
16498
16499 2007-01-16 Jan Hubicka <jh@suse.cz>
16500
16501 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
16502 * tree-pass.h: Reorder to make IPA passes appear toegher.
16503 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
16504 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
16505 parameters, do not call early inliner.
16506 * ipa-inline.c: Update comments. Include tree-flow.h
16507 (cgraph_decide_inlining): Do not compute inlining parameters.
16508 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
16509 be called with function context set up.
16510 (pass_ipa_inline): Remove unreachable functions before pass.
16511 (cgraph_early_inlining): Simplify assuming to be called from the
16512 PM as local pass.
16513 (pass_early_inline): New pass.
16514 (cgraph_gate_ipa_early_inlining): New gate.
16515 (pass_ipa_early_inline): Turn into simple wrapper.
16516 (compute_inline_parameters): New function.
16517 (gate_inline_passes): New gate.
16518 (pass_inline_parameters): New pass.
16519 (apply_inline): Move here from tree-optimize.c
16520 (pass_apply_inline): New pass.
16521 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
16522 transforming.
16523 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
16524 doing them by hand.
16525 (tree_function_versioning): Do not allocate dummy struct function.
16526 * tree-inline.h (optimize_inline_calls): Update prototype.
16527 * tree-optimize.c (execute_fixup_cfg): Export.
16528 (pass_fixup_cfg): Remove
16529 (tree_rest_of_compilation): Do not apply inlines.
16530 * tree-flow.h (execute_fixup_cfg): Declare.
16531 * Makefile.in (gt-passes.c): New.
16532 * passes.c: Include gt-passes.h
16533 (init_optimization_passes): New passes.
16534 (nnodes, order): New static vars.
16535 (do_per_function_toporder): New function.
16536 (execute_one_pass): Dump current pass here.
16537 (execute_ipa_pass_list): Don't dump current pass here.
16538
16539 2007-01-16 Janis Johnson <janis187@us.ibm.com>
16540
16541 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
16542 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
16543
16544 2007-01-16 David Edelsohn <edelsohn@gnu.org>
16545
16546 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
16547 (strong_alias): Define.
16548 (__gcc_qmul): Provide non-FMA for soft-float.
16549 (__gcc_qdiv): Same.
16550 (__gcc_qneg): New.
16551 (__gcc_qeq): New.
16552 (__gcc_qle): New.
16553 (__gcc_qge): New.
16554 (__gcc_qunord): New.
16555 (__gcc_stoq): New.
16556 (__gcc_dtoq): New.
16557 (__gcc_qtos): New.
16558 (__gcc_qtod): New.
16559 (__gcc_qtoi): New.
16560 (__gcc_qtou): New.
16561 (__gcc_itoq): New.
16562 (__gcc_utoq): New.
16563 (fmsub): New.
16564 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
16565 soft-float functions.
16566 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
16567 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
16568 about long double soft float.
16569
16570 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
16571 Tehila Meyzels <tehila@il.ibm.com>
16572
16573 * tree-vectorizer.h (is_pattern_stmt_p): New.
16574 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
16575 formatting (tabs instead of spaces). Cleanup and clarify setting
16576 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
16577 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
16578 (vectorizable_type_demotion): Check that types are integral.
16579 (vectorizable_type_promotion): Likewise.
16580 (vectorizable_store): Fix typo. Eliminate new-line at end of
16581 comments.
16582
16583 2007-01-16 Jan Hubicka <jh@suse.cz>
16584
16585 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
16586 cgraph edges too.
16587
16588 2007-01-15 Eric Christopher <echristo@apple.com>
16589
16590 * ifcvt.c: Include vec.h, vecprim.h.
16591 (check_cond_move_block): New argument regs.
16592 Reorganize. Add registers used to regs.
16593 (cond_move_process_if_block): Use regs set above as
16594 loop bounds.
16595
16596 2007-01-15 Eric Christopher <echristo@apple.com>
16597
16598 * config/darwin.h: Update copyright.
16599 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
16600 (LINK_COMMAND_SPEC): Add -u.
16601 (LINK_SPEC): Fix umbrella for above.
16602
16603 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
16604
16605 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
16606 glibc CVS.
16607
16608 2007-01-15 Tom Tromey <tromey@redhat.com>
16609
16610 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
16611 * doc/install.texi (Testing): Don't mention jacks.
16612 (Configuration): Document --enable-java-maintainer-mode. Move
16613 --with-java-home to libgcj-specific section. Document
16614 --with-ecj-jar.
16615 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
16616
16617 2007-01-15 Jan Hubicka <jh@suse.cz>
16618
16619 * tree-ssa-dce.c (DCE_TODOs): New.
16620 (propagate_necessity): Return if something changed.
16621 (eliminate_unnecessary_stmts): Likewise.
16622 (perform_tree_ssa_dce): Return TODO flags when needed.
16623 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
16624
16625 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
16626
16627 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
16628 (fyl2x_extend<mode>xf3_i387): New insn pattern.
16629 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
16630 patterns using X87MODEF12 mode macro. Extend operand 1
16631 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16632 (log10<mode>2): Ditto.
16633 (log2<mode>2): Ditto.
16634 (log1p<mode>2): Ditto.
16635 (logb<mode>2): Ditto.
16636 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
16637 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
16638 (*fxtractxf3_i387): Rename from *fxtractxf3.
16639 (fxtract_extend<mode>xf3_i387): New insn pattern.
16640 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
16641 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
16642 and gen_fyl2xxf3_i387().
16643
16644 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16645
16646 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
16647 * cfgloopmanip.c (fix_loop_placement): Made static. Use
16648 get_loop_exit_edges. Changed return type to bool.
16649 * cfgloop.h (fix_loop_placement): Declaration removed.
16650
16651 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
16652
16653 * param.h (MIN_VECT_LOOP_BOUND): New.
16654 * params.def (MIN_VECT_LOOP_BOUND): New.
16655 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
16656 argument - minimum threshold for number of iterations.
16657 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
16658 argument to declaration.
16659 * tree-vect-analyze.c (vect_analyze_operations): Check value of
16660 MIN_VECT_LOOP_BOUND.
16661 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
16662 slpeel_tree_peel_loop_to_edge with additional argument.
16663 (vect_do_peeling_for_alignment): Likewise.
16664 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
16665
16666 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
16667
16668 PR target/30413
16669 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
16670 operands of size 1.
16671
16672 2007-01-14 Jan Hubicka <jh@suse.cz>
16673
16674 * tree-dfa.c (remove_referenced_var): New function.
16675 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
16676 prune referenced vars list too.
16677 * tree-flow.h (remove_referenced_var): Declare.
16678
16679 2007-01-14 Jan Hubicka <jh@suse.cz>
16680
16681 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
16682 separately.
16683 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
16684 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
16685 * except.h (verify_eh_throw_table_statements): Kill prototype.
16686 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
16687 into call exrepssions.
16688 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
16689 eh trhow verifier.
16690 * tree-cfg.c: Include pointer-set.h.
16691 (verify_node_sharing): Work on pointer set.
16692 (verify_eh_throw_stmt_node): New.
16693 (verify_stmts): Use pointers sets, verify throw_stmt.
16694
16695 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
16696
16697 * ipa-reference.c (analyze_function): Consider also addresses taken
16698 in phi nodes.
16699
16700 2007-01-12 Roger Sayle <roger@eyesopen.com>
16701
16702 * c-typeck.c (null_pointer_constant_p): Replace use of
16703 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16704 (build_c_cast): Likewise.
16705
16706 2007-01-12 Roger Sayle <roger@eyesopen.com>
16707
16708 * tree.h (force_fit_type_double): Remove unused final argument.
16709 * c-common.c (constant_expression_warning): Replace use of
16710 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
16711 (convert_and_check): Likewise.
16712 (shorten_compare): Update call to force_fit_type_double.
16713 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
16714 * convert.c (convert_to_pointer): Update call to
16715 force_fit_type_double.
16716 * fold-const.c (force_fit_type_double): Remove overflowed_const
16717 argument.
16718 (int_const_binop, fold_convert_const_int_from_int,
16719 fold_convert_const_int_from_real, fold_div_compare,
16720 fold_sign_changed_comparison, fold_unary, fold_negate_const,
16721 fold_abs_const, fold_not_const): Remove the final argument from
16722 calls to force_fit_type_double.
16723
16724 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
16725
16726 * configure.ac: Set insn to "nop" for spu-*-* also.
16727 * configure: Regenerate.
16728
16729 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
16730
16731 * builtins.def : Add BUILT_IN_FREE.
16732
16733 2007-01-12 Jan Hubicka <jh@suse.cz>
16734
16735 PR tree-optimization/30443
16736 * tree-inline.c (tree_function_versioning): Do not optimize when
16737 cloning for inlining.
16738
16739 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
16740
16741 * doc/loop.texi: Document recording of loop exits.
16742 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
16743 (update_single_exits_after_duplication,
16744 update_single_exit_for_duplicated_loop,
16745 update_single_exit_for_duplicated_loops): Removed.
16746 (duplicate_loop_to_header_edge): Do not call
16747 update_single_exits_after_duplication and
16748 update_single_exit_for_duplicated_loops.
16749 (loop_version): Do not update single_exit information.
16750 (fix_loop_structure): Use record_loop_exits instead of
16751 mark_single_exit_loops.
16752 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
16753 the lists of loop exits.
16754 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
16755 split_edge, merge_blocks): Update the lists of loop exits.
16756 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
16757 loop_optimizer_init.
16758 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
16759 of mark_single_exit_loops.
16760 (loop_optimizer_finalize): Call release_recorded_exits.
16761 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
16762 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
16763 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
16764 update single exit information.
16765 * lambda-code.c (perfect_nestify): Ditto.
16766 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
16767 (mark_single_exit_loops): Removed.
16768 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
16769 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
16770 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
16771 functions.
16772 (get_loop_exit_edges, single_exit): Use recorded exit lists.
16773 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
16774 (verify_loop_structure): Verify consistency of the exit lists.
16775 (flow_loops_find): Use alloc_loop. Initialize exits hash.
16776 (set_single_exit): Removed.
16777 * cfgloop.h (struct loop_exit): New function.
16778 (struct loop): single_exit_ field replaced by exits field.
16779 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
16780 (struct loops): Added exits hash.
16781 (mark_single_exit_loops, set_single_exit): Declaration removed.
16782 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
16783
16784 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16785
16786 * doc/invoke.texi: Avoid use of @headitem.
16787
16788 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16789
16790 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
16791
16792 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16793
16794 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
16795 list of targets.
16796
16797 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16798 Richard Sandiford <richard@codesourcery.com>
16799
16800 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
16801 * config/m68k/m68k.opt: Resort options.
16802 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
16803
16804 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16805 Richard Sandiford <richard@codesourcery.com>
16806
16807 * doc/invoke.texi: Document the macros that are defined by
16808 m68k's -mtune and -mhard-float options.
16809 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
16810 (m68k_cpp_cpu_family): Likewise.
16811 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
16812 of __ucfv*__ macros. Define __mcffpu__ if generating code for
16813 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
16814 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
16815 (m68k_cpp_cpu_family): Likewise.
16816
16817 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16818
16819 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
16820 macros besides mc68000 as tuning macros. Use a switch statement
16821 to set them and mcpu32.
16822
16823 2007-01-12 Julian Brown <julian@codesourcery.com>
16824
16825 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
16826 (TARGET_68040_ONLY): Rename to...
16827 (TARGET_68040): ...this.
16828 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
16829 * config/m68k/m68k.md: Likewise.
16830
16831 2007-01-12 Julian Brown <julian@codesourcery.com>
16832 Nathan Sidwell <nathan@codesourcery.com>
16833 Richard Sandiford <richard@codesourcery.com>
16834
16835 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
16836 the -mcpu= argument associated with the --with-cpu setting.
16837 Define M68K_DEFAULT_TUNE to the default -mtune= option,
16838 if different from the one implied by the -mcpu setting.
16839 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
16840 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
16841 * doc/invoke.texi: Mention ColdFire in the introduction to the
16842 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
16843 -mno-div and -mhard-float options. Make -m68881 a synonym for
16844 -mhard-float. Document the previously-undocumented -m5206e,
16845 -m528x, -m5307 and -m5407 options. Tweak the existing option
16846 documentation for consistency.
16847 * doc/install.texi: Mention new --with-cpu arguments.
16848 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
16849 default CPU if neither -mcpu nor -march are specified.
16850 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
16851 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
16852 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
16853 using m68k_tune to decide between families that implement the
16854 same ISA. Use m68k_tune to set __mcfv4e__.
16855 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
16856 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
16857 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
16858 (FL_ISA_C, FL_ISA_MMU): New macros.
16859 (MASK_COLDFIRE): Delete.
16860 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
16861 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
16862 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
16863 (TARGET_HARD_FLOAT): Do not define here.
16864 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
16865 (TUNE_68000): New macro.
16866 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
16867 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
16868 (TUNE_CFV2): Redefine in terms of m68k_tune.
16869 (uarch_type, target_device, fpu_type): New enums.
16870 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
16871 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
16872 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
16873 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
16874 (FL_FOR_isa_c): New macros.
16875 (m68k_isa): New enum.
16876 (m68k_target_selection): New structure.
16877 (all_devices, all_isas, all_microarchs): New tables.
16878 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
16879 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
16880 (MASK_ALL_CPU_BITS): Delete.
16881 (m68k_find_selection): New function.
16882 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
16883 Map the legacy target options to a combination of the new ones.
16884 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
16885 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
16886 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
16887 settings.
16888 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
16889 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
16890 properties.
16891 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
16892 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
16893 * config/m68k/m68k-devices.def: New file.
16894
16895 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16896 Nathan Sidwell <nathan@codesourcery.com>
16897
16898 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
16899 (SUBTARGET_EXTRA_SPECS): New macros.
16900 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
16901 use %(asm_cpu_spec) instead.
16902 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
16903 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
16904 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
16905 (EXTRA_SPECS): Rename to...
16906 (SUBTARGET_EXTRA_SPECS): ...this.
16907
16908 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
16909 Richard Sandiford <richard@codesourcery.com>
16910 Julian Brown <julian@codesourcery.com>
16911
16912 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16913 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
16914 to the configuration's default CPU.
16915 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
16916 Remove default masks.
16917 (m680[012]0-*-*): Set the default with_cpu to the first part of
16918 the target name.
16919 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
16920 (m68k*-*-linux): Extend the --with-cpu handling to...
16921 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
16922 and m68010. Don't set target_cpu_default2.
16923 * doc/install.texi: Document --with-cpu for m68k.
16924 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
16925 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
16926 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
16927 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
16928 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
16929 (ASM_SPEC): Remove use of %(asm_cpu_default).
16930 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
16931 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
16932 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
16933 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
16934 __HAVE_FPU__ if TARGET_HARD_FLOAT.
16935 (TARGET_DEFAULT): Delete.
16936 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
16937 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
16938 (CPP_CPU_SPEC): Delete.
16939 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
16940 the appropriate string.
16941 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
16942 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
16943 (ASM_SPEC): Don't use %(asm_default_spec).
16944 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16945 TARGET_DEFAULT and add MASK_68881.
16946 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
16947
16948 2007-01-12 Richard Sandiford <richard@codesourcery.com>
16949
16950 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
16951 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
16952 MASK_68010 alongside MASK_68020.
16953 * doc/invoke.texi: Document -m68010.
16954 * config/m68k/m68k.opt (m68010): New.
16955 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
16956 if TUNE_68010.
16957 (TUNE_68010): New macro.
16958 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
16959 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
16960 (M68K_CPU_m68332): Add MASK_68010.
16961 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
16962 fallback definition.
16963 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
16964 defines.
16965 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
16966 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
16967 to all entries that use MASK_68020.
16968 (output_move_simode_const, output_move_himode, output_move_qimode)
16969 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
16970 instead of TARGET_68020 to select clr behavior. Remove comment
16971 about there being no TARGET_68010.
16972 * config/m68k/m68k.md: Likewise throughout.
16973
16974 2007-01-12 Julian Brown <julian@codesourcery.com>
16975
16976 * config/m68k/m68k.h (TARGET_ISAB): New macro.
16977 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
16978 * config/m68k/m68k.md: Likewise.
16979
16980 2007-01-12 Julian Brown <julian@codesourcery.com>
16981
16982 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
16983 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
16984
16985 2007-01-12 Julian Brown <julian@codesourcery.com>
16986
16987 * config/m68k/m68k.h (TUNE_68040_60): New macro.
16988 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
16989 * config/m68k/m68k.md: Likewise.
16990
16991 2007-01-12 Julian Brown <julian@codesourcery.com>
16992 Richard Sandiford <richard@codesourcery.com>
16993
16994 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
16995 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
16996 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
16997 TARGET_CPU32.
16998 (TARGET_CPU32): Rename to...
16999 (TUNE_CPU32): ...this.
17000 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
17001 (TUNE_CFV2): New macros.
17002 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
17003 remove conditions that are implied by TARGET_68020.
17004 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
17005 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
17006 (m68k_output_function_epilogue): Likewise.
17007 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
17008 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
17009 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
17010 non-68000 timings. Refactor multiplication and division costs.
17011 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
17012 TUNE_CPU32 instead of TARGET_CPU32.
17013 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
17014 and TUNE_68060 instead of TARGET_68060.
17015 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
17016 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
17017 TARGET_CPU32.
17018 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
17019 && !TARGET_COLDFIRE" to choose between moveq and clr.
17020 Likewise in the unnamed movsf pattern.
17021 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
17022 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
17023 ashiftrt pattern.
17024
17025 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17026
17027 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
17028 of tabbing before backslashes.
17029
17030 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17031
17032 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
17033 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
17034 (ASM_OUTPUT_INTERNAL_LABEL): Define.
17035
17036 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17037
17038 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
17039 find_interesting_uses_cond.
17040 (find_interesting_uses_cond): Use extract_cond_operands.
17041 (rewrite_use_compare): Use extract_cond_operands and
17042 force_gimple_operand_bsi. Do not call update_stmt.
17043 (determine_use_iv_cost_condition): Use extract_cond_operands.
17044 Return cheaper of using original bound and changing the exit bound.
17045
17046 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17047
17048 PR tree-optimization/29516
17049 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
17050 most_expensive_mult_to_index, addr_to_parts,
17051 create_mem_ref, maybe_fold_tmr): Make the type of
17052 fields of TARGET_MEM_REF sizetype.
17053 (move_fixed_address_to_symbol, move_pointer_to_base):
17054 New functions.
17055 * tree.def (TARGET_MEM_REF): Add comment on types of
17056 the operands.
17057
17058 2007-01-11 Joseph Myers <joseph@codesourcery.com>
17059
17060 * c-common.c (vector_types_convertible_p): Treat opaque types as
17061 always convertible if they have the same size, but not otherwise.
17062
17063 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
17064
17065 * ifcvt.c (struct noce_if_info): Add comments to the fields.
17066 Remove the b_unconditional field.
17067 (noce_try_sign_mask): Do not look at b_unconditional.
17068 (noce_process_if_block): Do not use merge_if_blocks. Update
17069 the CFG here. Do not set b_unconditional.
17070 (cond_move_process_if_block): Likewise.
17071 (find_cond_trap): Likewise.
17072 (check_cond_move_block): Require simple jump insns at the end
17073 of the basic block.
17074
17075 2007-01-11 Jan Hubicka <jh@suse.cz>
17076
17077 PR tree-optimization/1046
17078 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
17079 when alias info is not ready.
17080 (pass_tail_recursion): Do not require aliasing.
17081 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
17082 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
17083 * tree-ssa-copy.c (pass_copy_prop): Likewise.
17084 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
17085 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
17086 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
17087 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
17088 before inlining.
17089 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
17090 When aliasing is not build, mark statement as volatile.
17091
17092 2007-01-11 Tom Tromey <tromey@redhat.com>
17093
17094 PR preprocessor/15185, PR preprocessor/20989:
17095 * doc/cppopts.texi <-MT>: Update description of algorithm for
17096 computing default target.
17097 <-M, -MD>: Reword "basename" text.
17098
17099 2007-01-11 Roger Sayle <roger@eyesopen.com>
17100
17101 * builtins.c (expand_builtin_pow, expand_builtin_powi,
17102 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
17103 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
17104 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
17105 fold_builtin_bswap, real_constp, fold_builtin_pow,
17106 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
17107 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
17108 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17109 * convert.c (convert_to_pointer): Likewise.
17110 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
17111 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
17112 const_binop, fold_convert_const_int_from_int,
17113 fold_convert_const_int_from_real,
17114 fold_convert_const_real_from_real, sign_bit_p,
17115 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
17116 fold_sign_changed_comparison, fold_unary, fold_comparison,
17117 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
17118 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
17119 * print-tree.c (print_node_brief, print_node): Likewise.
17120 * stor-layout.c (place_field, layout_type): Likewise.
17121 * tree-chrec.c (keep_cast): Likewise.
17122 * tree.c (build_vector, build_real, build_real_from_int_cst,
17123 build_complex): Likewise.
17124
17125 2007-01-11 Roger Sayle <roger@eyesopen.com>
17126
17127 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
17128 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
17129
17130 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
17131
17132 * configure.ac (strict1_warn): Rename to strict_warn.
17133 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
17134 cc_set_by_configure, quoted_cc_set_by_configure,
17135 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
17136 all_boot_languages, all_stagestuff): Remove.
17137 (target_list): Remove bootstrap targets.
17138 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
17139 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
17140 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
17141 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
17142 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
17143 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
17144 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
17145 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
17146 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
17147 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
17148 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
17149 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
17150 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
17151 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
17152 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
17153 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
17154 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
17155 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
17156 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
17157 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
17158 (mostlyclean): Adjust.
17159 (clean, distclean): Don't mention bootstrap stuff.
17160 * configure: Regenerate.
17161 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
17162 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
17163 treelang/config-lang.in (stagestuff): Remove.
17164 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
17165 stageprofile, stagefeedback, stagestuff): Remove mention.
17166
17167 2007-01-11 Nick Clifton <nickc@redhat.com>
17168
17169 * config/mcore/predicates.md (mcore_general_movesrc_operand):
17170 Accept CONSTs.
17171 (mcore_general_movdst_operand): Do not accept CONST_INTs.
17172 (mcore_arith_K_S_operand): Run the test for the S constraint not
17173 the test for the M constraint.
17174 (mcore_addsub_operand): Do not accept integer values that are
17175 larger than 32 bits.
17176 * config/mcore/mcore.md: Remove unused constraints from split.
17177 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
17178 (addsi3): Likewise.
17179 (allocate_stack): Likewise.
17180 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
17181 operands to 32 bits.
17182 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
17183 INTVAL.
17184 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
17185 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
17186 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
17187 mcore_output_bclri, mcore_output_andn, output_inline_const,
17188 mcore_output_move, mcore_output_movedouble): Likewise.
17189 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
17190 (output_inline_const): Likewise.
17191 (output_inline_const): Fix format strings used in sprintf
17192 statements.
17193 * config/mcore/mcore-protos.h: Update prototypes for changed
17194 functions in mcore.c.
17195 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
17196 HOST_WIDE_INT and not int.
17197 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
17198 CONST_OK_FOR_N): Likewise.
17199 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
17200 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
17201 an INTVAL.
17202
17203 2007-01-10 Jan Hubicka <jh@suse.cz>
17204
17205 * tree-vrp.c (remove_range_assertions): Release defs.
17206 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
17207 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
17208
17209 2007-01-10 Paul Brook <paul@codesourcery.com>
17210
17211 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
17212 * config/arm/arm.md (mulsi3subsi): New insn.
17213
17214 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
17215
17216 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
17217 (tree_transform_and_unroll_loop): New.
17218 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
17219 Declare.
17220
17221 2007-01-10 Robert Kennedy <jimbob@google.com>
17222
17223 * fold-const.c (fold_comparison): Fold comparisons like (x *
17224 1000 < 0) to (x < 0).
17225
17226 2007-01-10 Ian Lance Taylor <iant@google.com>
17227
17228 * tree-pretty-print.c (dump_generic_node): Print parentheses when
17229 operands have the same priority.
17230
17231 2007-01-10 Tom Tromey <tromey@redhat.com>
17232
17233 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
17234 (fold_binary): Likewise.
17235 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
17236 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
17237 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
17238 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
17239 * langhooks.h (struct lang_hooks): Removed field
17240 'can_use_bit_fields_p'.
17241
17242 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
17243
17244 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
17245
17246 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
17247
17248 * function.c (get_last_funcdef_no): New function.
17249 * function.h (get_last_funcdef_no): Declare.
17250 * tree-inline.c (initialize_cfun): Add initialization.
17251 (tree_function_versioning): Cleanup.
17252
17253 2007-01-10 Jan Hubicka <jh@suse.cz>
17254
17255 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
17256 PHIs.
17257
17258 2007-01-10 Sa Liu <saliu@de.ibm.com>
17259 Ben Elliston <bje@au.ibm.com>
17260
17261 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
17262 for SAVE_NONLOCAL and Pmode for any other save level.
17263 * spu-protos.h (spu_restore_stack_block): Declare.
17264 * spu.md (save_stack_block): Remove.
17265 (restore_stack_block): Call spu_restore_stack_block.
17266 * spu.c (spu_restore_stack_block): New function.
17267 (spu_expand_epilogue): Remove old comment.
17268
17269 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
17270
17271 PR tree-optimization/30322
17272 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
17273 (cand_value_at): Return the value as aff_tree.
17274 (may_eliminate_iv): Convert the bound from aff_tree to tree.
17275 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
17276 aff_combination_mult): New functions.
17277 (aff_combination_add): Use aff_combination_add_cst.
17278 (aff_combination_convert): Allow conversions to a wider type.
17279 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
17280 * tree-affine.h (aff_combination_mult): Declare.
17281
17282 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
17283
17284 * doc/tm.texi: Update documentation to reflect reality of exec
17285 and start file search behaviours. Update copyright year.
17286 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
17287 header file directories.
17288
17289 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
17290
17291 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
17292 (*cosxf2): Rename to cosxf2_i387.
17293 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
17294 using X87MODEF12 mode macro. Rename patterns to
17295 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
17296 for SSE math.
17297 (*cosdf2, *cossf2): Ditto.
17298 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
17299 to match extended input operands.
17300 (sincos<mode>3): New expander.
17301 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
17302 insn patterns and corresponding splitters.
17303
17304 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
17305
17306 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
17307 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
17308
17309 2007-01-09 Nicolas Pitre <nico@cam.org>
17310
17311 PR target/30173
17312 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
17313
17314 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17315
17316 * target.h (struct gcc_target): New field library_rtti_comdat.
17317 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
17318 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
17319 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
17320 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
17321
17322 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17323
17324 * doc/invoke.texi (Optimize Options): Correct description of -O0.
17325
17326 2007-01-08 Richard Guenther <rguenther@suse.de>
17327
17328 * tree.h (force_fit_type_double): Export.
17329 (force_fit_type): Remove.
17330 * fold-const.c (force_fit_type_double): New function.
17331 (force_fit_type): Remove.
17332 (int_const_binop): Use it.
17333 (fold_convert_const_int_from_int): Likewise.
17334 (fold_convert_const_int_from_real): Likewise.
17335 (fold_div_compare): Likewise.
17336 (fold_sign_changed_comparison): Likewise.
17337 (fold_unary): Likewise.
17338 (fold_negate_const): Likewise.
17339 (fold_abs_const): Likewise.
17340 (fold_not_const): Likewise.
17341 * c-common.c (shorten_compare): Use force_fit_type_double.
17342 * convert.c (convert_to_pointer): Likewise.
17343
17344 2007-01-08 Richard Guenther <rguenther@suse.de>
17345
17346 * tree.h (build_int_cst_wide_type): Export.
17347 * tree.c (build_int_cst_wide_type): New function.
17348 (build_int_cst_wide): Fix comment.
17349 * builtins.c (fold_builtin_object_size): Use build_int_cst
17350 to build -1 or 0 of the correct type. Use fit_double_type
17351 to check for overflow.
17352 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
17353 to build the mask.
17354 (decode_field_reference): Likewise.
17355 (all_ones_mask_p): Likewise.
17356 (native_interpret_int): Use build_int_cst_wide_type.
17357 (fold_binary): Use build_int_cst_type to build an all-ones
17358 value.
17359 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
17360
17361 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
17362
17363 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
17364
17365 2007-01-09 Ben Elliston <bje@au.ibm.com>
17366
17367 * genautomata.c (STATS_OPTION): New option.
17368 (stats_flag): New flag.
17369 (gen_automata_option): Handle it.
17370 (initiate_automaton_gen): Ditto.
17371 (write_automata): Output statistics only if stats_flag is
17372 set. Likewise, output time statistics only if time_flag is set.
17373 * doc/md.texi (Processor pipeline description): Document new flag.
17374
17375 2007-01-08 Richard Guenther <rguenther@suse.de>
17376
17377 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
17378 * tree.c (build_int_cst_type): Likewise.
17379 (size_in_bytes): Don't call force_fit_type on the result.
17380 (int_fits_type_p): Use fit_double_type.
17381 * fold-const.c (fit_double_type): New function.
17382 (force_fit_type): Use it.
17383 * tree.h (fit_double_type): Export.
17384
17385 2007-01-08 Jan Hubicka <jh@suse.cz>
17386
17387 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
17388 * ipa.c (function_and_variable_visibility): Fix return type.
17389
17390 2007-01-08 Richard Guenther <rguenther@suse.de>
17391
17392 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
17393 of offset to build the index.
17394 * tree-pretty-print.c (dump_generic_node): Don't build negated
17395 const just for printing.
17396 * c-pretty-print.c (pp_c_integer_constant): Likewise.
17397 * builtins.c (fold_builtin_int_roundingfn): Check if result
17398 fits the type by using force_fit_type and comparing the result.
17399 * predict.c (predict_loops): Use compare_tree_int for comparison.
17400 * tree.c (build_int_cst): Fall back to integer_type_node for
17401 NULL_TREE type.
17402 (build_int_cst_wide): Assert type is non-null.
17403
17404 2007-01-08 Roberto Costa <roberto.costa@st.com>
17405
17406 * tree-vrp.c (extract_range_from_cond_expr): New.
17407 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
17408 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
17409 as expressions.
17410 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
17411 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
17412 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
17413 used as expressions.
17414 * tree-object-size.c (cond_expr_object_size): New.
17415 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
17416
17417 2007-01-08 Jan Hubicka <jh@suse.cz>
17418
17419 * tree-ssa-forwprop.c (forward_propagate_into_cond,
17420 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
17421 statement.
17422
17423 2007-01-08 Richard Guenther <rguenther@suse.de>
17424
17425 PR tree-optimization/23603
17426 * tree-vrp.c (set_value_range_to_truthvalue): New function.
17427 (extract_range_from_binary): Fall back to truthvalue instead of
17428 varying for TRUTH_*_EXPR.
17429 (extract_range_from_comparison): Fall back to truthvalue instead of
17430 varying.
17431 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
17432 if all visited PHI values were constant.
17433
17434 2007-01-08 Jan Hubicka <jh@suse.cz>
17435
17436 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
17437 (cgraph_analyze_function): break out from ...
17438 (cgraph_finalize_compilation_unit): ... here.
17439 (cgraph_expand_function): Remove forgoten commented out line.
17440 (cgraph_optimize): Analyze functions.
17441
17442 2007-01-08 Jan Hubicka <jh@suse.cz>
17443
17444 * tree-pas.h (TODO_remove_function): New flag.
17445 (TODO_update*): Renumber.
17446 (pass_ipa_increase_alignment,
17447 pass_ipa_function_and_variable_visibility): New passes.
17448 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
17449 (cgraph_function_and_variable_visibility): Move to ipa.c
17450 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
17451 cgraph_increase_alignment.
17452 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
17453 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
17454 calling tree-inline.
17455 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
17456 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
17457 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
17458 (gate_increase_alignment): New function.
17459 (pass_ipa_increase_alignment): New pass.
17460 * ipa.c: Inline tree-pass.h and timevar.h
17461 (function_and_variable_visibility): Move here from cgraphunit.c
17462 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
17463 * passes.c (init_optimization_passes): Add the two new passes.
17464 (execute_todo): Handle cgraph_remove_functions.
17465
17466 2007-01-08 Nick Clifton <nickc@redhat.com>
17467
17468 * config/frv/predicates.md (reg_or_0_operand): Accept
17469 CONST_DOUBLEs.
17470
17471 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
17472
17473 * config/bfin/rtems.h, config/bfin/t-rtems: New.
17474 * config.gcc: Add bfin*-rtems*.
17475
17476 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17477
17478 * c.opt: Add -flax-vector-conversions.
17479 * c-typeck.c (convert_for_assignment): Pass flag to
17480 vector_types_convertible_p to allow emission of note.
17481 (digest_init): Likewise.
17482 * c-opts.c: Handle -flax-vector-conversions.
17483 * c-common.c (flag_lax_vector_conversions): New.
17484 (vector_types_convertible_p): Unless -flax-vector conversions
17485 has been passed, disallow conversions between vectors with
17486 differing numbers of subparts and/or element types. If such
17487 a conversion is disallowed, possibly emit a note on the first
17488 occasion only to inform the user of -flax-vector-conversions.
17489 The new last argument specifies this.
17490 * c-common.h (flag_lax_vector_conversions): New.
17491 (vector_types_convertible_p): Add extra argument.
17492 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
17493 char_type_node for V*QI type vectors.
17494 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
17495 Update to satisfy new typechecking rules.
17496 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
17497 C and C++ variants.
17498 * doc/invoke.texi (C Dialect Options): Document
17499 -flax-vector-conversions.
17500
17501 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17502
17503 PR tree-optimization/29877
17504 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
17505 a register variable on the RHS to not be replaceable.
17506
17507 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
17508 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
17509 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
17510 const_simm15, const_pow2, const_npow2): Added.
17511 * config/score/misc.md (insv, extv, extzv, movmemsi,
17512 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
17513 * config/score/score.c (score_address_cost, score_select_cc_mode):
17514 Added.
17515 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
17516 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
17517 Update score_print_operand.
17518 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
17519 Adjust register allocate order and update some macro define.
17520 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
17521 mdx_block_move_straight, mdx_block_move_loop_head,
17522 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
17523 mdx_block_move): Added.
17524 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
17525 mdp_limm): Updated and fix some bug and typo.
17526 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
17527 (movsf, movdf, doloop_end): Added.
17528
17529 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
17530
17531 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
17532 config/arm/thumb2.md: Fix comment typos.
17533 * doc/extend.texi: Fix a typo.
17534
17535 2007-01-07 Eric Christopher <echristo@apple.com>
17536
17537 * configure.ac: Check for __stack_chk_fail for darwin.
17538 * configure: Regenerate.
17539
17540 2007-01-07 Richard Guenther <rguenther@suse.de>
17541
17542 * tree-vrp.c (extract_range_from_assert): CSE calls to
17543 compare_values where possible.
17544 (extract_range_from_unary_expr): Likewise.
17545
17546 2007-01-07 Anatoly Sokolov <aesok@post.ru>
17547
17548 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
17549 * config/avr/avr.c (call_insn_operand): Delete function.
17550 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
17551 instead of register number. Use predicates.
17552 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
17553 call_insn_operand): Add.
17554
17555 2007-01-06 Jan Hubicka <jh@suse.cz>
17556
17557 * tree-pass.h (pass_build_cgraph_edges): Declare.
17558 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
17559 (visited_nodes): Remove.
17560 (cgraph_create_edges): Move to cgraphbuild.c; rename to
17561 build_cgrpah_edges; make visited_nodes local.
17562 (cgraph_process_new_functions): DO not call initialize_inline_failed.
17563 (record_references_in_initializer): Move to cgraphbuild.c
17564 (initialize_inline_failed, rebuild_cgraph_edges,
17565 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
17566 (verify_cgraph_node): Make visited_nodes local.
17567 (cgraph_analyze_function): Do not call cgraph_create_edges and
17568 initialize_inline_failed.
17569 (cgraph_expand_function): Do not call cgraph_lower_function;
17570 assert that function is already lowered.
17571 * Makefile.in (cgraphbuild.o): New.
17572 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
17573 at the end of lowering passes.
17574
17575 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
17576
17577 * ifcvt.c (cond_move_convert_if_block): New function, code
17578 factored out from...
17579 (cond_move_process_if_block): ...here. Call the new function
17580 on the THEN and ELSE blocks.
17581 (merge_if_block): Do not copy global_live_at_end, merge_blocks
17582 already takes care of this.
17583
17584 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17585
17586 PR c/19978
17587 * tree.h (TREE_OVERFLOW_P): New.
17588 * c-typeck.c (parser_build_unary_op): Warn only if result
17589 overflowed and operands did not.
17590 (parser_build_binary_op): Likewise.
17591 (convert_for_assignment): Remove redundant overflow_warning.
17592 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
17593
17594 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17595
17596 * c-typeck.c (store_init_value): Split over two lines to follow
17597 the GNU coding style.
17598
17599 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
17600
17601 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
17602 __GXX_EXPERIMENTAL_CXX0X__.
17603 * doc/cpp.texi: Same.
17604
17605 2007-01-05 Richard Guenther <rguenther@suse.de>
17606
17607 PR middle-end/27826
17608 * tree.c (get_narrower): Do not construct COMPONENT_REFs
17609 with mismatched types. Instead explicitly build a
17610 conversion NOP_EXPR.
17611
17612 2007-01-05 Ian Lance Taylor <iant@google.com>
17613
17614 * c-common.c (decl_with_nonnull_addr_p): New function.
17615 (c_common_truthvalue_conversion): Call it.
17616 * c-typeck.c (build_binary_op): Likewise.
17617 * c-common.h (decl_with_nonnull_addr_p): Declare.
17618
17619 2007-01-05 Jakub Jelinek <jakub@redhat.com>
17620
17621 PR c/30360
17622 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
17623 denom against 0.0.
17624
17625 2007-01-05 Joel Brobecker <brobecker@adacore.com>
17626
17627 * doc/install.texi (Final install): Document the fact that
17628 the GNAT runtime should not be stripped.
17629
17630 2007-01-04 Jan Hubicka <jh@suse.cz>
17631
17632 * tree-inline.c (fold_marked_statements): Update operand caches
17633 and EH after folding
17634
17635 2007-01-04 Ian Lance Taylor <iant@google.com>
17636
17637 * c-common.c (check_function_nonnull): Whitespace fix.
17638
17639 2007-01-04 Jan Hubicka <jh@suse.cz>
17640
17641 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
17642 comitted older version of patch.
17643 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
17644 function, celanup cfg and collect garbage.
17645
17646 2007-01-04 Mike Stump <mrs@apple.com>
17647
17648 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
17649 (clean): Likewise.
17650
17651 2007-01-04 Eric Christopher <echristo@apple.com>
17652
17653 * libgcc2.c (__bswapsi2): Use SItype.
17654 (__bswapdi2): Use DItype.
17655 * libgcc2.h: Update for above.
17656
17657 2007-01-04 Paul Brook <paul@codesourcery.com>
17658
17659 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
17660 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
17661 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
17662 umulsidi3, umulsidi3adddi, smulsi3_highpart,
17663 umulsi3_highpart): Make conditional on !arm_arch6.
17664 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
17665 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
17666 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
17667 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
17668 umulsi3_highpart_v6): New insns.
17669
17670 2007-01-04 Roger Sayle <roger@eyesopen.com>
17671
17672 * fold-const.c (fold_convert): When casting an expression to void,
17673 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
17674 have a type. Instead of attempting to build a NOP_EXPR, return
17675 these "special" trees directly.
17676
17677 2007-01-04 Joseph Myers <joseph@codesourcery.com>
17678
17679 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
17680 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
17681 rs6000_cost->fp not 0 as adjustment for outer NEG.
17682
17683 2007-01-04 Jan Hubicka <jh@suse.cz>
17684
17685 * cgraph.c (cgraph_release_function_body): New function.
17686 (cgraph_remove_node): Use it.
17687 * cgraph.h (cgraph_release_function_body): Declare.
17688 * cgraphunit.c (cgraph_expand_function): Use it.
17689 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
17690 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
17691 is initialized and while compilation of other function is running.
17692 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
17693 statement CFG annotations from here to ...
17694 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
17695
17696 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
17697
17698 * cfgloop.h (enum li_flags): Make the constants powers of two.
17699
17700 2007-01-04 Jan Hubicka <jh@suse.cz>
17701
17702 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
17703 set.
17704 (fold_marked_statements): New function.
17705 (optimize_inline_calls, tree_function_versioning): Fold new statements.
17706 * tree-inline.h (copy_body_data): Add statements_to_fold.
17707
17708 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
17709
17710 * config.gcc: Mention libgcc/config.host.
17711 * Makefile.in: Update comments mentioning libgcc.
17712 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
17713 (all.cross, start.encap, rest.encap, rest.cross): Update
17714 dependencies for libgcc move.
17715 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
17716 (clean-target, clean-target-libgcc): Delete.
17717 (srcdirify, GCC_EXTRA_PARTS): New macros.
17718 (libgcc-support, libgcc.mvars): New rules.
17719 (distclean): Remove mention of mklibgcc.
17720 (install): Don't reference INSTALL_LIBGCC.
17721 (install-common): Don't reference EXTRA_PARTS.
17722 (install-libgcc, install-multilib): Delete rules.
17723 * mklibgcc.in: Delete file.
17724 * doc/configfiles.texi: Don't mention mklibgcc.
17725
17726 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
17727 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
17728 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
17729 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
17730 (mklibgcc, ldblspecs): Likewise.
17731
17732 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
17733 (posixpre.def): Use $(T).
17734 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
17735 (SHLIB_SRC, SHLIB_INSTALL): Delete.
17736 (SHLIB_LINK): Make dummy.
17737 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
17738
17739 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
17740
17741 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
17742 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
17743 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
17744 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
17745
17746 * configure.ac (all_outputs): Remove mklibgcc.
17747 * configure: Regenerated.
17748
17749 2007-01-03 Josh Conner <jconner@apple.com>
17750
17751 PR middle-end/29683
17752 * calls.c (compute_argument_addresses): Set stack and stack_slot
17753 for partial args, too.
17754 (store_one_arg): Use locate.size.constant for the size when
17755 generating a save_area.
17756
17757 2007-01-03 Robert Kennedy <jimbob@google.com>
17758
17759 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
17760 whose definitions are deleted due to basic block merging.
17761
17762 2007-01-03 Paul Brook <paul@codesourcery.com>
17763
17764 PR target/16634
17765 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
17766 functions.
17767 (use_return_insn): Return 0 for Thumb interrupt functions.
17768 (print_multi_reg): Add rfe argument for IRQ returns.
17769 (arm_output_epilogue): Pop interrupt return address directly into PC.
17770 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
17771
17772 2007-01-03 Paul Brook <paul@codesourcery.com>
17773
17774 Merge from sourcerygxx-4_1.
17775 * config/arm/thumb2.md: New file.
17776 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
17777 Thumb-2.
17778 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
17779 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17780 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
17781 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
17782 tables.
17783 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
17784 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
17785 comptibility.
17786 * config/arm/ieee754-sf.S: Ditto.
17787 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
17788 (thumb1_base_register_rtx_p): ... to this.
17789 (thumb_index_register_rtx_p): Rename...
17790 (thumb1_index_register_rtx_p): ... to this.
17791 (thumb_output_function_prologue): Rename...
17792 (thumb1_output_function_prologue): ... to this.
17793 (thumb_legitimate_address_p): Rename...
17794 (thumb1_legitimate_address_p): ... to this.
17795 (thumb_rtx_costs): Rename...
17796 (thumb1_rtx_costs): ... to this.
17797 (thumb_compute_save_reg_mask): Rename...
17798 (thumb1_compute_save_reg_mask): ... to this.
17799 (thumb_final_prescan_insn): Rename...
17800 (thumb1_final_prescan_insn): ... to this.
17801 (thumb_expand_epilogue): Rename...
17802 (thumb1_expand_epilogue): ... to this.
17803 (arm_unwind_emit_stm): Rename...
17804 (arm_unwind_emit_sequence): ... to this.
17805 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
17806 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
17807 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
17808 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
17809 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
17810 thumb2_output_casesi): New functions.
17811 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
17812 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
17813 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
17814 THUMB2_WORK_REGS): Define.
17815 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
17816 arm_condexec_mask, arm_condexec_masklen)): New variables.
17817 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
17818 (arm_override_options): Check new CPU capabilities.
17819 Set new architecture flag variables.
17820 (arm_isr_value): Handle v7m interrupt functions.
17821 (user_return_insn): Return 0 for v7m interrupt functions. Handle
17822 Thumb-2.
17823 (const_ok_for_arm): Handle Thumb-2 constants.
17824 (arm_gen_constant): Ditto. Use movw when available.
17825 (arm_function_ok_for_sibcall): Return false for v7m interrupt
17826 functions.
17827 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
17828 (thumb_find_work_register, arm_load_pic_register,
17829 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
17830 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
17831 print_multi_reg, output_mov_long_double_fpa_from_arm,
17832 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
17833 output_mov_double_fpa_from_arm, output_move_double,
17834 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
17835 output_return_instruction, arm_output_function_prologue,
17836 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
17837 arm_output_mi_thunk, thumb_set_return_address): Ditto.
17838 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
17839 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
17840 (arithmetic_instr, shift_op): Use arm_shift_nmem.
17841 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
17842 '!' and 'L'.
17843 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
17844 (thumb_expand_prologue): Use thumb_set_frame_pointer.
17845 (arm_file_start): Output directive for unified syntax.
17846 (arm_unwind_emit_set): Handle stack alignment instruction.
17847 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
17848 Add v6t2, v7, v7a, v7r and v7m.
17849 (RETLDM): Add Thumb-2 code.
17850 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
17851 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
17852 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
17853 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
17854 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
17855 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
17856 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
17857 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
17858 ADJUST_INSN_LENGTH): Define.
17859 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
17860 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
17861 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
17862 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
17863 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
17864 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
17865 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
17866 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
17867 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
17868 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
17869 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
17870 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
17871 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
17872 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
17873 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
17874 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
17875 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
17876 cortex-m3.
17877 * config/arm/arm-tune.md: Regenerate.
17878 * config/arm/arm-protos.h: Update prototypes.
17879 * config/arm/vfp.md: Enable patterns for Thumb-2.
17880 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
17881 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
17882 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
17883 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
17884 * config/arm/libunwind.S: Add Thumb-2 code.
17885 * config/arm/constraints.md: Update include Thumb-2.
17886 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
17887 * config/arm/ieee754-df.S: Ditto.
17888 * config/arm/bpabi.S: Ditto.
17889 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
17890 * config/arm/predicates.md (low_register_operand,
17891 low_reg_or_int_operand, thumb_16bit_operator): New.
17892 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
17893 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
17894 * config/arm/t-arm-elf: Add armv7 multilib.
17895 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
17896 Include thumb2.md.
17897 (UNSPEC_STACK_ALIGN, ce_count): New.
17898 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
17899 arm_zero_extendsidi2, arm_zero_extendqidi2): New
17900 insns/expanders.
17901 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
17902 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
17903 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
17904 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
17905 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
17906 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
17907 insns.
17908 * doc/extend.texi: Document ARMv7-M interrupt functions.
17909 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
17910
17911 2007-01-03 Jakub Jelinek <jakub@redhat.com>
17912
17913 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
17914 (struct _Unwind_Context): Rename args_size to flags, remove
17915 signal_frame field, add a new args_size field and version field.
17916 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
17917 _Unwind_IsExtendedContext): New inline functions.
17918 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17919 Assume by_value array is only present if _Unwind_IsExtendedContext.
17920 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
17921 _Unwind_IsSignalFrame.
17922 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
17923 (uw_update_context_1): Use _Unwind_SetSignalFrame.
17924 (uw_init_context_1): Initialize context->flags to
17925 EXTENDED_CONTEXT_BIT.
17926 * config/rs6000/linux-unwind.h (frob_update_context): Use
17927 _Unwind_SetSignalFrame.
17928
17929 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
17930
17931 PR middle-end/30353
17932 * gimplify.c (gimplify_modify_expr_complex_part): Move below
17933 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
17934 the value.
17935
17936 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
17937
17938 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
17939 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
17940 RET, AT_SP): Remove.
17941 * config/i386/i386.md (*sse_prologue_save_insn): Use return
17942 instead of RET.
17943
17944 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
17945 * cfgbuild.c (find_basic_blocks): Likewise.
17946 * cfgrtl.c (rtl_create_basic_block): Likewise.
17947 * function.c (temp_slots_at_level): Likewise.
17948 * reg-stack.c (stack_regs_mentioned): Likewise.
17949 * regclass.c (allocate_reg_info): Likewise.
17950 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
17951 set_bb_for_stmt, move_block_to_fn): Likewise.
17952 * tree-complex.c (tree_lower_complex): Likewise.
17953 * vec.h (VEC_safe_grow_cleared): New.
17954
17955 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
17956
17957 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
17958
17959 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
17960 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
17961 to loop_version.
17962 * cfgloopmanip.c (scale_loop_frequencies): Export.
17963 (loopify): Scale the frequencies by prescribed coefficients.
17964 (set_zero_probability): New function.
17965 (duplicate_loop_to_header_edge): Improve updating of frequencies.
17966 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
17967 and frequencies according to arguments.
17968 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
17969 correctly.
17970 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
17971 * modulo-sched.c (sms_schedule): Set probabilities for entering
17972 versioned loop correctly.
17973 * tree-vect-transform.c (vect_transform_loop): Ditto.
17974 * cfgloop.h (loopify, loop_version): Declaration changed.
17975 (scale_loop_frequencies): Declared.
17976
17977 2007-01-02 Jan Hubicka <jh@suse.cz>
17978
17979 * cgraph.c: Include tree-flow.h
17980 (cgraph_add_new-function): Handle IPA_SSA mode; execute
17981 early_local_passes.
17982 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
17983 * tree-pass.h (pass_all_early_optimizations): Declare.
17984 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
17985 early_local_passes.
17986 (cgraph_analyze_function): Do early_local_passes.
17987 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
17988 Do not add referenced vars.
17989 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
17990 SSA form.
17991 (gate_all_early_local_passes): New gate.
17992 (pass_early_local_passes): Use new gate.
17993 (execute_early_local_optimizations): New functions.
17994 (gate_all_early_optimizations): New gate.
17995 (pass_all_early_optimizations): New pass.
17996 (execute_free_datastructures): Free SSA only when initialized.
17997 (gate_init_datastructures): Init only when optimizing.
17998 (tree_lowering_passes): Do early local passes when called late.
17999 * tree-profile.c (do_tree_profiling): Don't profile functions added
18000 late.
18001 (do_early_tree_profiling, pass_early_tree_profile): Kill.
18002 * tree-cfg.c (update_modified_stmts): Do not update when operands are
18003 not active.
18004 * passes.c (init_optimizations_passes): Reorder so we go into SSA
18005 during early_local_passes.
18006 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
18007
18008
18009 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18010
18011 * Makefile.in: Update copyright year.
18012
18013 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18014
18015 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
18016 in $(lang_checks) and check-consistency targets.
18017
18018 2007-01-02 Jan Hubicka <jh@suse.cz>
18019
18020 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18021 Do not add referenced vars.
18022 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
18023 are not active.
18024 * passes.c (init_optimization_passes): Put mudflap_2 after
18025 free_datastructures.
18026
18027 2007-01-02 Jan Hubicka <jh@suse.cz>
18028
18029 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
18030 Set NOTHROW flag on call statements proved to be nothrow.
18031 Update statement of local calls so new pure/const functions are
18032 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
18033 goto receivers.
18034 (tree_rest_of_compilation): Register hooks and initialize bitmap
18035 early. Do not set after_inlining flag.
18036
18037 2007-01-02 Steve Ellcey <sje@cup.hp.com>
18038
18039 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
18040 HOST_BITS_PER_LONGLONG
18041
18042 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18043
18044 PR c/19977
18045 * c-typeck.c (store_init_value): Don't emit pedantic overflow
18046 warning for non-static initializers.
18047
18048 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
18049
18050 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
18051 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
18052 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
18053 Always use set_unique_reg_note to add REG_EQUAL notes.
18054
18055 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18056
18057 Revert:
18058 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18059
18060 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18061 * cfgbuild.c (find_basic_blocks): Likewise.
18062 * cfgrtl.c (rtl_create_basic_block): Likewise.
18063 * function.c (temp_slots_at_level): Likewise.
18064 * reg-stack.c (stack_regs_mentioned): Likewise.
18065 * regclass.c (allocate_reg_info): Likewise.
18066 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18067 set_bb_for_stmt, move_block_to_fn): Likewise.
18068 * tree-complex.c (tree_lower_complex): Likewise.
18069 * vec.h (VEC_safe_grow_cleared): New.
18070
18071 2007-01-02 Ian Lance Taylor <iant@google.com>
18072
18073 * c-common.c (c_common_truthvalue_conversion): When warning about
18074 using an assignment as a truth value, set TREE_NO_WARNING.
18075
18076 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18077
18078 PR middle-end/7651
18079 * c.opt (Wold-style-declaration): New.
18080 * doc/invoke.texi (C-only Warning Options): New.
18081 (Wold-style-declaration): Document it.
18082 (Wextra): Enabled by -Wextra.
18083 * c-opts.c (c_common_post_options): Enabled by -Wextra.
18084 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
18085 -Wold-style-declaration.
18086
18087 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18088
18089 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18090 * cfgbuild.c (find_basic_blocks): Likewise.
18091 * cfgrtl.c (rtl_create_basic_block): Likewise.
18092 * function.c (temp_slots_at_level): Likewise.
18093 * reg-stack.c (stack_regs_mentioned): Likewise.
18094 * regclass.c (allocate_reg_info): Likewise.
18095 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18096 set_bb_for_stmt, move_block_to_fn): Likewise.
18097 * tree-complex.c (tree_lower_complex): Likewise.
18098 * vec.h (VEC_safe_grow_cleared): New.
18099
18100 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
18101
18102 * c-common.c (c_common_nodes_and_builtins): Since variants of
18103 void_type_node get built before it is given a name, we need to
18104 give those variants the name, too.
18105 (complete_array_type): We need to work with the canonical main
18106 type of the array, from which we will build the qualified version.
18107 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
18108 * print-tree.c (print_node): Display canonical type information
18109 for each type.
18110 * stor-layout.c (layout_type): When we don't know the
18111 alignment of a type for which we're building an array, we end up
18112 guessing wrong, so make the type require structural equality.
18113 * tree.c (make_node_stat): When we build a new type, it is its
18114 own canonical type.
18115 (build_type_attribute_qual_variant): When building an attribute
18116 variant, its canonical type is the non-attribute variant. However,
18117 if the attributes are target-dependent and they differ, we need to
18118 use structural equality checks for this type.
18119 (build_qualified_type): A qualified type is not equivalent to its
18120 unqualified variant; set the canonical type appropriately.
18121 (build_distinct_type_copy): When building a distinct type from
18122 another type, the new type is its own canonical type.
18123 (build_variant_type_copy): When building a new type variant, we
18124 assume that it is equivalent to the original type.
18125 (build_pointer_type_for_mode): When building a pointer type, also
18126 build a canonical type pointer.
18127 (build_reference_type_for_mode): When building a reference type,
18128 also build a canonical type reference.
18129 (build_index_type): When we can't hash an index type (e.g.,
18130 because its maximum value is negative), the index type requires
18131 structural equality tests.
18132 (build_array_type): Build the canonical form of an array type.
18133 (build_function_type): Function types require structural equality,
18134 because they contain default arguments, attributes, etc.
18135 (build_method_type_directly): Ditto for method types.
18136 (build_offset_type): Build the canonical offset type.
18137 (build_complex_type): Build the canonical vector type.
18138 (make_vector_type): Build the canonical vector type.
18139 * tree.h (TYPE_CANONICAL): New.
18140 (TYPE_STRUCTURAL_EQUALITY_P): New.
18141 (SET_TYPE_STRUCTURAL_EQUALITY): New.
18142 (struct tree_type): Added "canonical" field.
18143 * params.h (VERIFY_CANONICAL_TYPES): New.
18144 * doc/c-tree.texi (TYPE_CANONICAL): Document.
18145 (TYPE_STRUCTURAL_EQUALITY_P): Document.
18146 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
18147 * doc/invoke.texi (verify-canonical-types): Document --param
18148 parameter for verifying canonical types.
18149
18150 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18151
18152 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
18153 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
18154 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
18155 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
18156 tm_file.
18157 * config/rs6000/e500.h: New.
18158 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
18159 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
18160 Remove.
18161 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
18162 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
18163 TARGET_E500_DOUBLE): Remove.
18164 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
18165 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
18166 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
18167 * config/rs6000/rs6000.c (rs6000_override_options): Use
18168 CHECK_E500_OPTIONS.
18169
18170 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18171
18172 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
18173 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
18174 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
18175 rs6000_emit_cmove): Don't check TARGET_E500.
18176 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
18177 sordered): Don't check TARGET_E500.
18178
18179 2007-01-01 Eric Christopher <echristo@apple.com>
18180
18181 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
18182 HARD_REGISTER_NUM_P.
18183
18184 2007-01-01 Roger Sayle <roger@eyesopen.com>
18185
18186 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
18187 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
18188 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
18189 eq/ne Y".
18190
18191 2007-01-01 Mike Stump <mrs@apple.com>
18192
18193 * configure.ac: Remove support for building with Apple's gcc-3.1.
18194
18195 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18196
18197 PR middle-end/30311
18198 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
18199 REG is a hard register. Do not modify REG before calling
18200 subreg_nregs.
18201 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
18202 multiple of the size of YMODE for certain lowpart cases.
18203
18204 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18205
18206 PR middle-end/30253
18207 * gimplify (voidify_wrapper_expr): Update for
18208 GIMPLE_MODIFY_STMT.
18209
18210 2007-01-01 Andreas Schwab <schwab@suse.de>
18211
18212 PR target/29166
18213 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
18214 save of BR0 in extra_spill_size instead of spill_size.
18215 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
18216 area.
18217 (ia64_expand_epilogue): Restore BR0 from its new location.
18218
18219 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18220
18221 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
18222 Use a temporary variable if the left hand side is not a gimple
18223 register.
18224
18225 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18226
18227 * gimplify.c (gimplify_return_expr): Make the temporary variable
18228 for the return expression, a gimple register variable.
18229
18230 2007-01-01 Jan Hubicka <jh@suse.cz>
18231
18232 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
18233 INSN_LIST.
18234
18235 2007-01-01 Mike Stump <mrs@apple.com>
18236
18237 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
18238 .literal16.
18239 * config/darwin.c (machopic_select_rtx_section): Use
18240 HAVE_GAS_LITERAL16.
18241 (darwin_mergeable_constant_section): Likewise.
18242 * configure: Regenerate.
18243 * config.in: Regenerate.
18244
18245 2007-01-01 Jan Hubicka <jh@suse.cz>
18246 Andrew Pinski <pinskia@gmail.com>
18247
18248 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
18249 before starting IPA passes.