* doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
[gcc.git] / gcc / ChangeLog
1 2007-07-08 Andreas Schwab <schwab@suse.de>
2
3 * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
4
5 2007-07-08 Sandra Loosemore <sandra@codesourcery.com>
6
7 Revert this patch:
8 2007-07-06 Sandra Loosemore <sandra@codesourcery.com>
9
10 * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
11 apply to assembly language, too.
12 * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
13
14 2007-07-07 Daniel Berlin <dberlin@dberlin.org>
15
16 Revert (note the sccvn portions are *not* reverted)
17 2007-07-06 Daniel Berlin <dberlin@dberlin.org>
18
19 Fix PR tree-optimization/23488
20
21 * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
22 handles.
23 * tree-flow-inline.h (get_value_handle): Ditto.
24 * tree-ssa-pre.c (decl_vh_map): New.
25 (decl_node_pool): New.
26 (can_value_number_operation): Support DECL_P.
27 (can_PRE_operation): Ditto.
28 (create_expression_by_pieces): Ditto.
29 (find_existing_value_expr): Modify to differnetiate between
30 addressing and top level.
31 (create_value_handle_for_expr): Handle DECL's.
32 (poolify_tree): Ditto.
33 (make_values_for_phi): Don't insert into PHI_GEN during FRE.
34 (make_values_for_stmt): Handle DECL's properly.
35 (init_pre): Reorg to not init useless things during FRE.
36 (fini_pre): Ditto.
37 * tree-flow.h: Include pointer-set.h.
38 (decl_vh_map): Declare.
39 * Makefile.in (TREE_FLOW_H): Add pointer-set.h
40
41 2007-07-07 Eric Weddington <eweddington@cso.atmel.com>
42
43 * config/avr/constraints.md (define_memory_constraint "Q"): Fix
44 the constraint description.
45 * doc/md.texi: Update documentation of AVR constraints.
46
47 2007-07-07 Kazu Hirata <kazu@codesourcery.com>
48
49 * auto-inc-dec.c, config/arm/arm.c,
50 config/m32r/constraints.md, config/mips/mips.md,
51 config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
52 df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
53 tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
54 typos. Follow spelling conventions.
55 * doc/invoke.texi, doc/rtl.texi: Fix typos.
56
57 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
58 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
59
60 * tree-ssa-operands.c (realloc_vop, realloc_vdef,
61 realloc_vuse): Remove.
62 * tree-ssa-operands.h: Remove the prototype for realloc_vdef
63 and realloc_vuse.
64
65 2007-07-06 Daniel Berlin <dberlin@dberlin.org>
66
67 Fix PR tree-optimization/23488
68
69 * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
70 (try_to_simplify): Ditto.
71 (visit_use): Ditto.
72 * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
73 handles.
74 * tree-flow-inline.h (get_value_handle): Ditto.
75 * tree-ssa-pre.c (decl_vh_map): New.
76 (decl_node_pool): New.
77 (can_value_number_operation): Support DECL_P.
78 (can_PRE_operation): Ditto.
79 (create_expression_by_pieces): Ditto.
80 (find_existing_value_expr): Modify to differnetiate between
81 addressing and top level.
82 (create_value_handle_for_expr): Handle DECL's.
83 (poolify_tree): Ditto.
84 (make_values_for_phi): Don't insert into PHI_GEN during FRE.
85 (make_values_for_stmt): Handle DECL's properly.
86 (init_pre): Reorg to not init useless things during FRE.
87 (fini_pre): Ditto.
88 * tree-flow.h: Include pointer-set.h.
89 (decl_vh_map): Declare.
90 * Makefile.in (TREE_FLOW_H): Add pointer-set.h
91
92 2007-07-06 Sandra Loosemore <sandra@codesourcery.com>
93
94 * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
95 apply to assembly language, too.
96 * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
97
98 2007-07-06 Ian Lance Taylor <iant@google.com>
99 Zack Weinberg <zackw@panix.com>
100
101 PR middle-end/32441
102 * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
103
104 2007-07-06 Richard Sandiford <richard@codesourcery.com>
105
106 * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
107 (prefetch): Likewise if "pref" would be used.
108
109 2007-07-06 Josh Conner <jconner@apple.com>
110
111 PR middle-end/32602
112 PR middle-end/32603
113 * calls.c (store_one_arg): Handle arguments which are partially
114 on the stack when detecting argument overlap.
115
116 2007-07-06 Bernd Schmidt <bernd.schmidt@analog.com>
117
118 * reload1.c (choose_reload_regs): Set reload_spill_index for regs
119 chosen during find_reloads.
120
121 2007-07-06 Richard Guenther <rguenther@suse.de>
122
123 * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
124 TYPE_ARG_TYPES for verification of argument types. Use
125 DECL_ARG_TYPE instead of the PARM_DECL type. Take excess
126 parameters as variable arguments.
127
128 2007-07-06 Andreas Krebbel <krebbel1@de.ibm.com>
129
130 * libgcc2.h (word_type): Type definition removed.
131 (cmp_return_type, shift_count_type): Type definitions added.
132 (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
133 replaced with shift_count_type.
134 (__cmpdi2, __ucmpdi2): word_type of return type replaced with
135 cmp_return_type.
136 * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
137 changed from word_type to Wtype.
138 (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
139 replaced with shift_count_type.
140 (__cmpdi2, __ucmpdi2): word_type of return type replaced with
141 cmp_return_type.
142 * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return and
143 libgcc_shift_count attribute added.
144 * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
145 TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
146 (TARGET_INITIALIZER): New target hooks added.
147 * targhooks.c (default_libgcc_cmp_return_mode,
148 default_libgcc_shift_count_mode): Default implementations for the new
149 target hooks added.
150 * targhooks.h (default_libgcc_cmp_return_mode,
151 default_libgcc_shift_count_mode): Function prototypes added.
152 * target.h (struct gcc_target): Fields for the new target hooks added.
153 * optabs.c (expand_binop): Use shift_count_mode when expanding shift
154 as library call.
155 (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
156 library call.
157
158 * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
159 TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
160
161 * config/s390/s390.c (s390_libgcc_cmp_return_mode,
162 s390_libgcc_shift_count_mode): Functions added.
163 (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE): Target
164 hooks defined.
165
166 2007-07-06 Richard Sandiford <richard@codesourcery.com>
167
168 * config/mips/mips.c (compute_frame_size): Restore the original
169 gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
170 fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
171 Document why the difference is needed.
172
173 2007-07-06 Richard Guenther <rguenther@suse.de>
174
175 * c-common.c (boolean_increment): Use correctly typed
176 constant.
177
178 2007-07-06 Richard Sandiford <richard@codesourcery.com>
179
180 * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
181 the topmost argument register is not also included in the save mask.
182 (mips16e_collect_argument_save_p): Take a pointer to the argument
183 register, rather than a pointer to the number of arguments.
184 (mips16e_collect_argument_saves): Only include argument saves
185 that aren't in the register mask.
186
187 2007-07-06 Uros Bizjak <ubizjak@gmail.com>
188
189 PR rtl_optimization/32450
190 * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
191 to ensure that instructions are not moved into the prologue when
192 profiling is on. Remove unused prologue_end variable.
193 (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
194 as a scheduling barrier.
195
196 2007-07-06 Alexandre Oliva <aoliva@redhat.com>
197
198 PR debug/23551
199 * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
200 Disregard DECL_FROM_INLINE.
201
202 2007-07-05 Adam Nemet <anemet@caviumnetworks.com>
203
204 * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
205 IORing with a constant.
206
207 2007-07-05 Seongbae Park <seongbae.park@gmail.com>
208
209 PR rtl-optimization/32475
210 * df-scan.c (df_def_record_1): Add a use of the stack pointer
211 for every definition of the stack pointer.
212
213 2007-07-05 Richard Earnshaw <rearnsha@arm.com>
214
215 * arm.c (vfp3_const_double_index): Copy signed results of
216 REAL_VALUE_TO_INT into unsigned vars.
217
218 2007-07-05 Richard Guenther <rguenther@suse.de>
219
220 PR middle-end/32639
221 * alias.c (get_alias_set): Tread METHOD_TYPE the same as
222 FUNCTION_TYPE.
223 * tree-ssa.c (useless_type_conversion_p): Check canonical
224 types early.
225
226 2007-07-05 Anatoly Sokolov <aesok@post.ru>
227
228 * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
229 zero_extendhisi2): Change to define_insn_and_split.
230 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
231
232 2007-07-05 Paolo Bonzini <bonzini@gnu.org>
233
234 * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
235 pass_match_asm_constraints): New.
236 * passes.c (init_optimization_passes): Add new pass.
237 * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
238 * function.h (struct function): Add has_asm_statement bit.
239 (current_function_has_asm_statement): New.
240 * tree-pass.h (pass_match_asm_constraints): New.
241
242 2007-07-05 Richard Sandiford <rsandifo@nildram.co.uk>
243
244 * config/mips/mips.c (mips_file_start): Avoid declaration
245 after code.
246
247 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
248
249 * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
250
251 2007-07-05 Uros Bizjak <ubizjak@gmail.com>
252
253 * rtl.def (NOTE): Change print format string to print
254 operand 5 as a note insn name.
255
256 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
257 David Ung <davidu@mips.com>
258
259 * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
260 * doc/invoke.texi: (MIPS Options): Document them.
261
262 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
263 David Ung <davidu@mips.com>
264
265 Add support for SmartMIPS ASE.
266
267 * optabs.c (expand_binop_directly): New, broken out from...
268 (expand_binop): Here. Make it try rotating in the other
269 direction even when the second operand isn't constant.
270 * config/mips/mips.md (*lwxs): New.
271 * config/mips/mips.opt (msmartmips): New.
272 * config/mips/mips.c (mips_lwxs_address_p): New.
273 (mips_rtx_costs): Make it recognize scaled indexed addressing.
274 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
275 __mips_smartmips when compiling for TARGET_SMARTMIPS.
276 (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
277 (ISA_HAS_LWXS): New.
278 (ASM_SPEC): Add -msmartmips/-mno-smartmips.
279 * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
280 * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
281 * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
282 * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
283 * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
284 * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
285
286 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
287
288 * tree-vectorizer.c (new_loop_vec_info): Initialize
289 LOOP_VINFO_COST_MODEL_MIN_ITERS.
290 * tree-vectorizer.h (_loop_vec_info): Added new filed
291 min_profitable_iters.
292 (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
293 (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
294 * tree-vect-analyze.c (vect_analyze_operations): Set
295 LOOP_VINFO_COST_MODEL_MIN_ITERS.
296 * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
297 VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
298 Fix calculation of peel_iters_prologue. Move consideration of epilogue
299 and prologue cost to after they are computed.
300 (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
301 TARG_VEC_STMT_COST.
302 (vect_model_simple_cost): Takes additional argument dt. Consider cost
303 of creating vectors from scalars according to dt.
304 (vect_model_store_cost): Likewise.
305 (vectorizable_call): Use dt array instead of scalar dt. Call
306 vect_model_simple_cost with additional argument dt.
307 (vectorizable_assignment): Likewise.
308 (vectorizable_operation): Likewise.
309 (vectorizable_type_demotion): Likewise.
310 (vectorizable_type_promotion): Likewise.
311 (vectorizable_store): Use dt array instead of scalar dt. Call
312 vect_model_store_cost with additional argument dt.
313 (vect_do_peeling_for_loop_bound): Don't call
314 vect_estimate_min_profitable_iters. Instead, lookup
315 LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
316 "may not be profitable".
317
318 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
319
320 PR testsuite/32014
321 * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
322 (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
323 (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
324 (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
325
326 2007-07-05 Zdenek Dvorak <dvorakz@suse.cz>
327
328 * config/i386/i386.c (ix86_address_cost): Do not consider more complex
329 addressing modes cheaper.
330
331 2007-07-05 Alexandre Oliva <aoliva@redhat.com>
332
333 * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
334 (dw_ranges_struct): Rename block_num to num. Adjust.
335 (dw_ranges_by_label_struct): New.
336 (ranges_by_label, ranges_by_label_allocated,
337 ranges_by_label_in_use): New variables.
338 (add_ranges_num): Factored most of the code out of...
339 (add_ranges): ... this one. Rewrite in terms of the former.
340 (add_ranges_by_labels): New.
341 (output_ranges): Output by-label ranges.
342 (dwarf2out_finish): Output range for multiple-section
343 compile_unit. Output standard DW_AT_low_pc in addition to
344 unexpected DW_AT_entry_pc.
345
346 2007-07-04 Daniel Berlin <dberlin@dberlin.org>
347
348 PR tree-optimization/32604
349 PR tree-optimization/32606
350
351 * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
352 (compute_antic_safe): Removed.
353 (ANTIC_SAFE_LOADS): Ditto.
354 (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
355 (execute_pre): Don't call compute_antic_safe.
356 (vuse_equiv): New function.
357 (make_values_for_stmt): Use it
358 * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
359 not always true.
360
361 2007-07-04 Anatoly Sokolov <aesok@post.ru>
362
363 PR target/31331
364 * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
365 rather than a decl.
366 (avr_attribute_table): Make "naked" attribute apply to function types
367 rather than to decls.
368 (avr_handle_fntype_attribute): New function.
369
370 2007-07-04 Joseph Myers <joseph@codesourcery.com>
371
372 * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
373 after \.
374
375 2007-07-04 David Ung <davidu@mips.com>
376 Joseph Myers <joseph@codesourcery.com>
377
378 * config/mips/mips.md (type): Add logical, signext and move.
379 (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
380 *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
381 *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
382 combinations", *zero_extend<SHORT:mode><GPR:mode>2,
383 *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
384 *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
385 *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
386 *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
387 *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
388 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
389 movv2sf_hardfloat_64bit): Use the new types.
390 (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
391 *movdf_softfloat, *movdf_mips16): Use "multi".
392 (extendqihi2): Replace with a define_expand.
393 (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
394 Based on extend<SHORT:mode><GPR:mode>2 patterns.
395 * config/mips/74k.md (r74k_int_logical): New reservation and
396 bypasses.
397 (r74k_int_arith): Remove "slt".
398 * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
399 config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
400 config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
401 config/mips/sb1.md, config/mips/sr71k.md: Add new types to
402 reservations for "arith".
403
404 2007-07-04 Richard Guenther <rguenther@suse.de>
405
406 * tree-ssa.c (useless_type_conversion_p): Add handling for
407 scalar float and vector types. Only call the types_compatible_p
408 langhook for aggregate types as last resort. Follow the
409 rules.
410
411 2007-07-04 Richard Guenther <rguenther@suse.de>
412
413 * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
414 the same as NOP_EXPR.
415
416 2007-07-04 Nick Clifton <nickc@redhat.com>
417
418 * target.h (struct gcc_target): Add target_help field.
419 * target-def.h (TARGET_HELP): New.
420 (TARGET_INITIALIZER): Use TARGET_HELP.
421 * opts.c (command_handle_option): Invoke target_help function, if
422 defined, when the user has specified --target-help on the command
423 line.
424 * doc/invoke.texi: Mention that --target-help might print
425 additional information.
426 * doc/tm.texi: Document TARGET_HELP hook.
427
428 * arm.c (TARGET_HELP): Override default definition.
429 (arm_target_help): New - display a wrapped list of cores and
430 architectures supported.
431
432 2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
433
434 * config/gcc/v850/v850.c (expand_prologue): Make sure
435 GEN_INT() argument is sign extended rather than zero extended.
436 (expand_epilogue): Likewise.
437 (output_move_double): Delete.
438 * config/gcc/v850/v850-protos.h (output_move_double): Delete.
439 * config/gcc/v850/v850.md (movdi): Delete.
440 (*movdi_internal): Delete.
441 (movdf): Delete.
442 (*movdf_internal): Delete.
443
444 2007-07-04 Richard Sandiford <richard@codesourcery.com>
445
446 * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
447 unless compiling RTP PIC.
448
449 2007-07-04 Richard Guenther <rguenther@suse.de>
450
451 PR tree-optimization/32482
452 * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
453 original ssa name if we didn't find a shift expression.
454 Fix shift constant for bit zero test.
455
456 2007-07-04 Richard Sandiford <richard@codesourcery.com>
457
458 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
459
460 2007-07-04 Richard Sandiford <richard@codesourcery.com>
461
462 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
463 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
464 * config/arm/vxworks.h (ASM_SPEC): Delete.
465 (SUBTARGET_EXTRA_ASM_SPEC): Define.
466
467 2007-07-04 Sebastian Pop <sebpop@gmail.com>
468
469 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
470 (DDR_REVERSED_P): New.
471 * tree-data-ref.c (initialize_data_dependence_relation,
472 build_classic_dist_vector): Set DDR_REVERSED_P.
473
474 2007-07-04 Sebastian Pop <sebpop@gmail.com>
475
476 PR middle-end/32457
477 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
478 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
479 init_omega_for_ddr_1): Use non conservative number of iterations
480 estimations.
481 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
482 (analyze_siv_subscript): Remove FIXME and reinitialization of
483 last_conflicts to chrec_dont_know.
484 * testsuite/gfortran.dg/vect/pr32457.f90: New.
485
486 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
487
488 * tree.c (maybe_canonicalize_argtypes): Improve description.
489
490 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
491
492 * tree.c (maybe_canonicalize_argtypes): New.
493 (build_function_type): Set canonical type.
494 (build_method_type_directly): Ditto.
495 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
496 properly.
497
498 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
499
500 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
501 like PLUS_EXPR.
502 (rewrite_use_nonlinear_expr): Likewise.
503
504 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
505
506 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
507
508 2007-07-04 Ben Elliston <bje@au.ibm.com>
509
510 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
511 of this file.
512
513 * c-objc-common.c (c_types_compatible_p): Fix indentation.
514
515 * doc/tm.texi (Run-time Target): Capitalise "CPU".
516 (Exception Handling): Likewise.
517
518 2007-07-03 Jan Hubicka <jh@suse.cz>
519
520 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
521
522 2007-07-03 Eric Christopher <echristo@apple.com>
523
524 * doc/cppopts.texi: Add conflicting option note to -dM.
525 * doc/invoke.texi: Add note about possible conflicts with
526 -E for -dCHARS and note that -dM will not produce
527 any results if there is no machine dependent reorg.
528
529 2007-07-03 Geoffrey Keating <geoffk@apple.com>
530
531 * tree.h (DECL_ALIGN): Back out previous change.
532
533 2007-07-03 Joseph Myers <joseph@codesourcery.com>
534
535 * configure.ac: Test for .dtprelword support on MIPS.
536 * configure, config.in: Regenerate.
537 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
538 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
539
540 2007-07-03 Julian Brown <julian@codesourcery.com>
541
542 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
543 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
544 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
545 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
546 capability.
547 (all_fpus): Add FPUTYPE_VFP3.
548 (fp_model_for_fpu): Add VFPv3 field.
549 (arm_rtx_costs_1): Give cost to VFPv3 constants.
550 (vfp3_const_double_index): New function. Return integer index of
551 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
552 isn't suitable.
553 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
554 and argument represents a valid RTX for a VFPv3 constant.
555 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
556 two instructions.
557 (vfp_emit_fstmd): Similar, for fstmd.
558 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
559 constants, represented as integer indices.
560 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
561 VFP_REGNO_OK_FOR_DOUBLE macros.
562 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
563 (arm_file_start): Set float-abi attribute for VFPv3, and output
564 correct ".fpu" assembler directive.
565 (arm_dbx_register_numbering): Add FIXME.
566 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
567 (fputype): Add FPUTYPE_VFP3.
568 (FIXED_REGISTERS): Add 32 registers for D16-D31.
569 (CALL_USED_REGISTERS): Likewise.
570 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
571 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
572 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
573 (D7_VFP_REGNUM): New.
574 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
575 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
576 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
577 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
578 (REG_ALLOC_ORDER): Adjust for VFPv3.
579 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
580 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
581 VFP_LO_REGS, VFP_HI_REGS.
582 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
583 (IS_VFP_CLASS): Define macro.
584 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
585 IS_VFP_CLASS.
586 (REGISTER_MOVE_COST): Likewise.
587 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
588 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
589 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
590 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
591 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
592 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
593 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
594 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
595 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
596 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
597 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
598 where appropriate for single-word registers.
599 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
600 As above. Fix type attributes.
601 * config/arm/constraints.md (register_contraint "t"): Define.
602 (register_constraint "w"): Change to D0-D15, or D0-D31 for
603 VFPv3/NEON.
604 (register_constraint "x"): Define.
605 (constraint "Dv"): Define.
606
607 2007-07-03 Geoffrey Keating <geoffk@apple.com>
608
609 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
610
611 2007-07-03 Tom Tromey <tromey@redhat.com>
612
613 * c-parser.c (objc_pq_context): Removed.
614 (objc_need_raw_identifier): Likewise.
615 (c_parser) <objc_pq_context>: New field.
616 <objc_need_raw_identifier>: Likewise.
617 (OBJC_NEED_RAW_IDENTIFIER): Removed.
618 (c_lex_one_token): Update.
619 (c_parser_objc_protocol_definition): Update.
620 (c_parser_objc_method_definition): Update.
621 (c_parser_objc_methodproto): Update.
622 (c_parser_declspecs): Update.
623
624 2007-07-03 David Ung <davidu@mips.com>
625
626 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
627
628 2007-07-03 David Ung <davidu@mips.com>
629 Richard Sandiford <richard@codesourcery.com>
630
631 * doc/invoke.texi: Document -march=74kf3_2.
632 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
633 (TUNE_74K): Check for it.
634 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
635 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
636 * config/mips/mips.md (cpu): Add 74kf3_2.
637 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
638 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
639 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
640 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
641 74kf3_2 to the CPU list.
642 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
643 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
644 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
645 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
646 (r74kf3_2_fxfer_from_c1): New insn reservations.
647
648 2007-07-03 Richard Sandiford <richard@codesourcery.com>
649 David Ung <davidu@mips.com>
650
651 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
652 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
653 and 74k[fx]. Document aliases for the new options.
654 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
655 (PROCESSOR_24KF2_1): ...this.
656 (PROCESSOR_24KX): Rename to...
657 (PROCESSOR_24KF1_1): ...this.
658 (PROCESSOR_74KF): Rename to...
659 (PROCESSOR_74KF2_1): ...this.
660 (PROCESSOR_74KX): Rename to...
661 (PROCESSOR_74KF1_1): ...this.
662 (TUNE_74K): Update PROCESSOR_* names.
663 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
664 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
665 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
666 (mips_rtx_cost_data): Update processor names in comments.
667 (mips_issue_rate): Update PROCESSOR_* names.
668 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
669 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
670 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
671 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
672 Update cpu attribute names.
673 (r24k_fpu_iss): Rename this reservation to...
674 (r24kf2_1_fpu_iss): ...this and update all uses.
675 (r24kx_fpu_iss): Rename this reservation to...
676 (r24kf1_1_fpu_iss): ...this and update all uses.
677 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
678 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
679 Update cpu attribute names.
680
681 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
682
683 * config/m32r/constraints.md: New file.
684 * config/m32r/m32r.c: Include tm-constrs.h.
685 (small_data_operand): Use satisfies_constraint_* instead of macro.
686 (addr24_operand, gen_compare): Likewise.
687 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
688 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
689 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
690 EXTRA_CONSTRAINT): Likewise.
691 * config/m32r/m32r.md: Include constraints.md.
692 (*movsi_insn): Use satisfies_constraint_* instead of macro.
693 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
694 * config/m32r/predicates.md (conditional_move_operand): Likewise.
695 (two_insn_const_operand, int8_operand, uint16_operand,
696 reg_or_int16_operand, reg_or_uint16_operand,
697 reg_or_cmp_int16_operand, cmp_int16_operand,
698 seth_add3_operand): Likewise.
699
700 2007-07-03 Eric Christopher <echristo@gmail.com>
701
702 * libgcc2.h: Conditionally declare __bswapsi2 and
703 __bswapdi2.
704
705 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
706
707 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
708 defined.
709
710 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
711
712 PR target/28307
713 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
714 (__gthrw_pragma): Provide default definition.
715 (__gthrw2): Use it.
716 * gthr-posix.c (__gthrw_pragma): Define.
717
718 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
719
720 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
721 before declaring inequality.
722
723 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
724
725 * combine.c (recog_for_combine): Log the success or failure of
726 matching new insn patterns against the machine description in
727 detailed dumps.
728
729 2007-07-03 Revital Eres <eres@il.ibm.com>
730
731 * ddg.c (print_sccs): New function.
732 (check_sccs): New function.
733 (create_ddg_all_sccs): Use it.
734 * ddg.h (print_sccs): Declare.
735 * modulo-sched.c (sms_order_nodes): Call print_sccs.
736
737 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
738
739 * targhooks.h (default_mode_for_suffix): New function declaration.
740 * targhooks.c (default_mode_for_suffix): New default target hook.
741 * target.h (struct c): New structure in the targetm struct.
742 (mode_for_suffix): New target hook as part of struct c.
743 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
744 default_mode_for_suffix.
745 (TARGET_C): New define.
746 * c-lex.c: Include "target.h".
747 (interpret_float): Use targetm.c.mode_for_suffix to determine
748 the mode for a given non-standard suffix.
749 Makefile.in (c-lex.o): Depend on $(TARGET_H).
750
751 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
752 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
753
754 * doc/extend.texi (Floating Types): New node. Document __float80 and
755 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
756
757 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
758
759 PR target/32506
760 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
761 predicate instead of target_operand.
762 (divsi3_i1_media, divsi3_media_2): Likewise.
763
764 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
765
766 * tree.h (alias_sets_might_conflict_p): Rename into
767 alias_sets_must_conflict_p.
768 * alias.c (alias_sets_might_conflict_p): Likewise.
769 (alias_sets_conflict_p): Use it.
770 (objects_must_conflict_p): Likewise.
771 * c-common.c (strict_aliasing_warning): Adjust.
772
773 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
774
775 * rtlhooks.c (gen_lowpart_if_possible): Check for
776 invalid subreg before calling gen_lowpart_SUBREG.
777
778 2007-07-02 Geoffrey Keating <geoffk@apple.com>
779
780 * config/darwin9.h: Add copyright notice.
781 (LINK_COMMAND_SPEC): Add comment.
782 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
783 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
784 DARWIN_LIBSYSTEM_HAS_UNWIND.
785
786 2007-07-02 Jakub Jelinek <jakub@redhat.com>
787
788 PR libgomp/32468
789 * omp-low.c (check_combined_parallel): New function.
790 (lower_omp_parallel): Call it via walk_stmts, set
791 OMP_PARALLEL_COMBINED if appropriate.
792 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
793 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
794 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
795 don't consider it as combined parallel.
796
797 2007-07-02 Richard Sandiford <richard@codesourcery.com>
798
799 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
800 (gcc_tooldir): Likewise.
801 * configure: Regenerate.
802 * Makefile.in (libsubdir_to_prefix): New variable, based on the
803 old configure.ac gcc_tooldir setting.
804 (prefix_to_exec_prefix): New variable.
805 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
806 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
807
808 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
809
810 Fix PR tree-optimization/32583
811 Fix PR tree-optimization/32584
812 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
813 (phi_translate_set): Use phi_translate directly now.
814 (make_values_for_stmt): Don't value number RHS if we already know
815 it is constant.
816
817 2007-07-02 Steve Ellcey <sje@cup.hp.com>
818 Jim Wilson <wilson@specifix.com>
819
820 PR target/31684
821 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
822 copy_insn.
823
824 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
825 Richard Sandiford <richard@codesourcery.com>
826 Nigel Stephens <nigel@mips.com>
827
828 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
829 (mips16e_output_save_restore): Declare.
830 (mips16e_save_restore_pattern_p): Likewise.
831 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
832 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
833 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
834 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
835 (BITSET_P): New global macro, extracted from...
836 (mips_for_each_saved_reg): ...here.
837 (mips16e_save_restore_info): New struct.
838 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
839 (mips16e_save_restore_regs): New variable.
840 (mips_split_plus, mips16e_find_first_register): New functions.
841 (mips16e_mask_registers): New function.
842 (compute_frame_size): Expand the commentary before the function.
843 Enforce the MIPS16e save and restore register range restrictions.
844 Pad the general register save area at the low end.
845 (mips16e_save_restore_reg, mips16e_build_save_restore)
846 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
847 (mips16e_output_save_restore, mips16e_collect_propagate_value)
848 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
849 New functions.
850 (mips_expand_prologue, mips_expand_epilogue): Handle
851 GENERATE_MIPS16E_SAVE_RESTORE.
852 * config/mips/mips.md (*mips16e_save_restore): New pattern.
853
854 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
855
856 PR tree-optimization/31966
857 PR tree-optimization/32533
858 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
859 "basic_block" description as its third argument. Update function
860 calls to get destination bb from "edge" argument. Save "cond" into
861 aux field of the edge. Update prototype for changed arguments.
862 (if_convertible_loop_p): Clear aux field of incoming edges if bb
863 contains phi node.
864 (find_phi_replacement_condition): Operate on incoming edges, not
865 on predecessor blocks. If there is a condition saved in the
866 incoming edge aux field, AND it with incoming bb predicate.
867 Return source bb of the first edge.
868 (clean_predicate_lists): Clean aux field of outgoing node edges.
869 (tree_if_conversion): Do not initialize cond variable. Move
870 variable declaration into the loop.
871 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
872 initializations of new_stmt, arg0 and arg1 variables.
873
874 2007-07-02 Jakub Jelinek <jakub@redhat.com>
875
876 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
877 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
878
879 2007-07-02 Richard Guenther <rguenther@suse.de>
880
881 * tree-ssa.c (useless_type_conversion_p): Document
882 future intent as defining the middle-end type system.
883 Re-structure to call langhook last, group by type class,
884 mark questionable parts.
885
886 2007-07-02 Richard Guenther <rguenther@suse.de>
887
888 * tree-flow.h (types_compatible_p): Declare.
889 * tree-ssa.c (types_compatible_p): New function.
890 * ipa-type-escape.c (discover_unique_type): Use
891 types_compatible_p instead of lang_hooks.types_compatible_p.
892 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
893 * tree-vn.c (expressions_equal_p): Likewise.
894 * tree.c (fields_compatible_p): Likewise.
895 * tree-ssa-dom.c (avail_expr_eq): Likewise.
896 (cprop_operand): Use useless_type_conversion_p instead of
897 lang_hooks.types_compatible_p.
898 * tree-inline.c (setup_one_parameter): Likewise.
899 (declare_return_variable): Likewise.
900 * tree-nrv.c (tree_nrv): Likewise.
901 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
902 (maybe_fold_offset_to_component_ref): Likewise.
903 (maybe_fold_offset_to_reference): Likewise.
904 * tree-ssa-copy.c (may_propagate_copy): Likewise.
905 (merge_alias_info): Likewise.
906 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
907 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
908 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
909 * tree-tailcall.c (find_tail_calls): Likewise.
910 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
911 * gimplify.c (canonicalize_addr_expr): Likewise.
912 (fold_indirect_ref_rhs): Likewise.
913 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
914 (cpt_same_type): Likewise.
915 (check_pointer_types_r): Swap parameters to cpt_same_type
916 where appropriate.
917 * fold-const.c (fold_convert): Revert fix for PR15988.
918 * tree-inline.c (setup_one_parameter): Instead fix it here by
919 using fold_build1 instead of fold_convert and checking for
920 error_mark_node. Convert only if the conversion is necessary.
921
922 2007-07-02 Joseph Myers <joseph@codesourcery.com>
923
924 * configure.ac: Check for .gnu_attribute on Power.
925 * configure: Regenerate.
926 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
927 attribute for floating-point ABI.
928
929 2007-07-02 Ira Rosen <irar@il.ibm.com>
930
931 PR tree-optimization/32230
932 PR tree-optimization/32477
933 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
934 address is a constant.
935
936 2007-07-02 Richard Sandiford <richard@codesourcery.com>
937
938 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
939 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
940 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
941 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
942 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
943 64-bit targets. Add support for *-elfoabi*.
944 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
945 different settings if $(tm_defines) does not select the EABI.
946 (MULTILIB_EXCLUSIONS): Define in those circumstances.
947 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
948 (MIPS_ARCH_OPTION_SPEC): Likewise.
949 (MIPS_ISA_LEVEL_SPEC): Likewise.
950 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
951 * config/mips/elfoabi.h: New file.
952
953 2007-07-02 Richard Guenther <rguenther@suse.de>
954
955 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
956 (useless_type_conversion_p): ... this.
957 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
958 (useless_type_conversion_p): ... this.
959 * builtins.c (fold_builtin_memory_op): Rename
960 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
961 * tree-cfg.c (verify_expr): Likewise.
962 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
963 * tree-ssa-ccp.c (ccp_fold): Likewise.
964 * tree-ssa-copy.c (may_propagate_copy): Likewise.
965 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
966 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
967 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
968 * tree-ssa-pre.c (eliminate): Likewise.
969 * tree-ssa.c (delete_tree_ssa): Likewise.
970 (tree_ssa_useless_type_conversion): Likewise.
971 * tree.c (build2_stat): Likewise.
972
973 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
974
975 Fix PR tree-optimization/32571
976 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
977 simplifying them.
978
979 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
980
981 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
982 and other expected operations explicitly, change default to
983 gcc_unreachable.
984
985 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
986
987 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
988 PARALLEL.
989 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
990 (tls_load_dot_plus_eight): Move the label number into the unspec.
991 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
992
993 2007-07-01 Andreas Schwab <schwab@suse.de>
994
995 * dwarf2out.c (initial_return_save): Define only if used.
996
997 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
998
999 Unreverting Richard's Revert of:
1000
1001 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1002
1003 * dce.c (deletable_insn_p_1): New function, split out from...
1004 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1005 specially, not those inside PARALLELs. Remove BODY argument
1006 and adjust recursive call accordingly.
1007 (prescan_insns_for_dce): Update call to delete_insn_p.
1008
1009 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
1010 Revital Eres <eres@il.ibm.com>
1011
1012 * ddg.c (create_ddg_all_sccs): Fix missed
1013 initialization of scc_nodes.
1014
1015 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
1016
1017 PR middle-end/32559
1018 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
1019 X + ~X to 1 only for INTEGRAL_TYPE_P type.
1020
1021 2007-06-30 Joseph Myers <joseph@codesourcery.com>
1022
1023 * configure.ac: Check for .gnu_attribute on MIPS.
1024 * configure, config.in: Regenerate.
1025 * config/mips/mips.c (mips_file_start): If supported, output
1026 attribute for floating-point ABI.
1027
1028 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
1029
1030 PR target/32433
1031 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
1032 (ffs_cmove): New expander to expand using ctz pattern.
1033 (*ffs_cmove): Remove pattern.
1034 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
1035 (ffsdi2): Expand using ctz pattern.
1036 (*ffs_rex64): Remove pattern.
1037
1038 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1039
1040 PR rtl-optimization/32296
1041 * pa.md (return): Delete pattern.
1042 (return_internal): Remove "(const_int 1)" from pattern.
1043 (epilogue): Use return_internal pattern for trivial returns.
1044 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
1045 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
1046
1047 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
1048
1049 * tree-ssa-pre.c (is_exception_related): New function
1050 (can_value_number_operation): Use it.
1051
1052 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
1053
1054 Fix PR tree-optimization/32540
1055 Fix PR tree-optimization/31651
1056
1057 * tree-ssa-sccvn.c: New file.
1058
1059 * tree-ssa-sccvn.h: Ditto.
1060
1061 * tree-vn.c: Include tree-ssa-sccvn.h
1062 (val_expr_paid_d): Removed.
1063 (value_table): Ditto.
1064 (vn_compute): Ditto.
1065 (val_expr_pair_hash): Ditto.
1066 (val_expr_pair_expr_eq): Ditto.
1067 (copy_vuses_from_stmt): Ditto.
1068 (vn_delete): Ditto.
1069 (vn_init): Ditto.
1070 (shared_vuses_from_stmt): Ditto.
1071 (print_creation_to_file): Moved up.
1072 (sort_vuses): Ditto.
1073 (sort_vuses_heap): Ditto.
1074 (set_value_handle): Make non-static.
1075 (make_value_handle): Ditto.
1076 (vn_add): Rewritten to use sccvn lookups.
1077 (vn_add_with_vuses): Ditto.
1078 (vn_lookup): Ditto (and second argument removed).
1079 (vn_lookup_with_vuses): Ditto.
1080 (vn_lookup_or_add): Ditto (and second argument removed);
1081 (vn_lookup_or_add_with_vuses): Ditto.
1082 (vn_lookup_with_stmt): New.
1083 (vn_lookup_or_add_with_stmt): Ditto.
1084 (create_value_handle_for_expr): Ditto.
1085
1086 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
1087 (seen_during_translate): New function.
1088 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
1089 (phi_trans_add): Ditto.
1090 (constant_expr_p): FIELD_DECL is always constant.
1091 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
1092 Use constant_expr_p.
1093 Avoid infinite recursion on mutually valued expressions.
1094 Change callers of vn_lookup_or_add.
1095 (phi_translate): New function.
1096 (compute_antic_safe): Allow phi nodes.
1097 (create_component_ref_by_pieces): Update for FIELD_DECL change.
1098 (find_or_generate_expression): Rewrite slightly.
1099 (create_expression_by_pieces): Updated for vn_lookup_or_add
1100 change.
1101 Update VN_INFO for new names.
1102 (insert_into_preds_of_block): Update for new names.
1103 (add_to_exp_gen): New function.
1104 (add_to_sets): Use vn_lookup_or_add_with_stmt.
1105 (find_existing_value_expr): Rewrite to changed vn_lookup.
1106 (create_value_expr_from): Ditto, and use add_to_exp_gen.
1107 (try_look_through_load): Removed.
1108 (try_combine_conversion): Ditto.
1109 (get_sccvn_value): New function.
1110 (make_values_for_phi): Ditto.
1111 (make_values_for_stmt): Ditto.
1112 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
1113 SCCVN.
1114 (init_pre): Update for SCCVN changes.
1115 (fini_pre): Ditto.
1116 (execute_pre): Ditto.
1117
1118 * tree-flow.h (make_value_handle): Declare.
1119 (set_value_handle): Ditto.
1120 (sort_vuses_heap): Ditto.
1121 (vn_lookup_or_add_with_stmt): Ditto.
1122 (vn_lookup_with_stmt): Ditto.
1123 (vn_compute): Remove.
1124 (vn_init): Ditto.
1125 (vn_delete): Ditto.
1126 (vn_lookup): Update arguments.
1127
1128 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
1129 (tree-vn.o): Ditto.
1130 (tree-ssa-sccvn.o): New.
1131 (OBJS-common): Add tree-ssa-sccvn.o
1132
1133 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1134
1135 PR c/4076
1136 * c-typeck.c (build_external_ref): Don't mark as used if called
1137 from itself.
1138 * calls.c (rtx_for_function_call): Likewise.
1139
1140 2007-06-30 Richard Sandiford <richard@codesourcery.com>
1141
1142 Revert:
1143
1144 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1145
1146 * dce.c (deletable_insn_p_1): New function, split out from...
1147 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1148 specially, not those inside PARALLELs. Remove BODY argument
1149 and adjust recursive call accordingly.
1150 (prescan_insns_for_dce): Update call to delete_insn_p.
1151
1152 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
1153
1154 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
1155 (try_combine): Move potential calls to undo_all() so they happen
1156 before we commit to using the combined insns.
1157
1158 2006-06-30 Jan Hubicka <jh@suse.cz>
1159
1160 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
1161 code.
1162
1163 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
1164
1165 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
1166 (cgraph_remove_unreachable_nodes): Likewise.
1167 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
1168 * ipa-inline.c (update_caller_keys): Cast according to the coding
1169 conventions.
1170 (cgraph_decide_recursive_inlining): Likewise.
1171 (cgraph_decide_inlining_of_small_function): Likewise.
1172 (try_inline): Likewise.
1173 (cgraph_decide_inlining_incrementally): Likewise.
1174 * ipa-pure-const.c (get_function_state): Likewise.
1175 (scan_function): Likewise.
1176 (analyze_function): Likewise.
1177 (static_execute): Likewise.
1178 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
1179 (merge_callee_local_info): Likewise.
1180 (analyze_function): Use type safe memory macros.
1181 (static_execute): Likewise. Cast according to the coding conventions.
1182 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
1183 conventions.
1184 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
1185 names.
1186 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
1187 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
1188 variable names.
1189
1190 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1191
1192 PR middle-end/30024
1193 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
1194 for complex modes (both int and real).
1195
1196 2007-06-29 Jan Hubicka <jh@suse.cz>
1197
1198 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
1199
1200 2007-06-29 Jan Hubicka <jh@suse.cz>
1201
1202 PR middle-end/32372
1203 * cse.c (cse_insn): Avoid invalid sharing in between register note and
1204 the insn pattern.
1205
1206 2007-06-29 Anatoly Sokolov <aesok@post.ru>
1207
1208 PR target/32335
1209 * config/avr/avr.c: Include dataflow header file.
1210 (expand_prologue): Adjust for prologue insn change.
1211 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
1212 inside a insn.
1213
1214 2007-06-29 Richard Guenther <rguenther@suse.de>
1215
1216 PR middle-end/32493
1217 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
1218 during type verification.
1219
1220 2007-06-29 Jan Hubicka <jh@suse.cz>
1221
1222 * recog.c (validate_change_rtx_1): Unshare TO argument.
1223
1224 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
1225
1226 PR tree-optimization/24659
1227 * tree-vect-transform.c (vectorizable_call): Handle
1228 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
1229
1230 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
1231 * config/i386/i386.c (enum ix86_builtins)
1232 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
1233 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
1234 description.
1235 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
1236 const using def_builtin_const.
1237 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
1238 input operands in the same modes as the result.
1239 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
1240
1241 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
1242
1243 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
1244 (df_set_dead_notes_for_mw): Likewise.
1245
1246 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
1247
1248 * c-common.c (pointer_int_sum): Do the negation in sizetype.
1249
1250 2007-06-28 DJ Delorie <dj@redhat.com>
1251
1252 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
1253
1254 2007-06-28 Geoffrey Keating <geoffk@apple.com>
1255
1256 * doc/invoke.texi (C++ Dialect Options): Document
1257 fvisibility-ms-compat.
1258 * c.opt (fvisibility-ms-compat): New.
1259
1260 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1261
1262 PR tree-opt/32417
1263 * tree-affine.c (aff_combination_add_elt): Handle
1264 pointer addition specially.
1265
1266 2007-06-28 Jakub Jelinek <jakub@redhat.com>
1267
1268 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
1269 decl is non-external for AIX ABI.
1270
1271 2007-06-28 David Edelsohn <edelsohn@gnu.org>
1272
1273 * config/rs6000/predicates.md (current_file_function_operand):
1274 Ensure the symbol is non-external for AIX ABI.
1275
1276 2007-06-28 Nick Clifton <nickc@redhat.com>
1277
1278 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
1279 (fdce, fdse, fpredictive-commoning): Likewise.
1280
1281 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1282
1283 PR other/31400
1284 * gcc.c (process_command): Recognize the new -static-libgfortran
1285 option.
1286
1287 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
1288
1289 PR target/32418
1290 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
1291 Use a call clobbered hard reg instead of a pseudo reg.
1292
1293 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
1294
1295 * config/sh/sh.md (load_gbr): Use correct operand constraint.
1296
1297 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
1298
1299 PR target/32479
1300 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
1301 REG_LIBCALL and REG_RETVAL notes.
1302 (divsi3, mulsi3): Likewise.
1303 (mulhisi3): Likewise. Use emit_libcall_block.
1304 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
1305
1306 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
1307
1308 PR rtl-optimization/32481
1309 * combine.c (adjust_for_new_dest): Rescan the changed insn.
1310
1311 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1312
1313 * dce.c (deletable_insn_p_1): New function, split out from...
1314 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1315 specially, not those inside PARALLELs. Remove BODY argument
1316 and adjust recursive call accordingly.
1317 (prescan_insns_for_dce): Update call to delete_insn_p.
1318
1319 2007-06-27 Richard Guenther <rguenther@suse.de>
1320
1321 PR middle-end/32492
1322 * tree.h (fold_convertible_p): Declare.
1323 * fold-const.c (fold_convertible_p): New function.
1324 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
1325 instead of lang_hooks.types_compatible_p.
1326
1327 2007-06-26 Jan Hubicka <jh@suse.cz>
1328
1329 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
1330 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
1331 early use validate_unshare_change.
1332 (reload_combine): Likewise.
1333 * recog.c (change_t): New field unshare.
1334 (validate_change_1): Rename from validate_change; add argument unshare.
1335 (validate_change): Turn into wrapper of validate_change_1; update
1336 prototype for bools.
1337 (validate_unshare_change): New.
1338 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
1339 calls of df_insn_rescan.
1340 * recog.h (validate_change): Replace ints by bools.
1341 (validate_unshare_change): Declare.
1342
1343 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1344
1345 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
1346
1347 2007-06-26 Steve Ellcey <sje@cup.hp.com>
1348
1349 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
1350
1351 2007-06-25 Jan Hubicka <jh@suse.cz>
1352
1353 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
1354 uninlinable call.
1355 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
1356 cgraph_decide_inlining_incrementally): Move uninlinability checks to
1357 places other call site specific checks are performed.
1358
1359 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1360
1361 PR tree-opt/32421
1362 * tree-vect-transform.c (vectorizable_operation): Convert
1363 POINTER_PLUS_EXPR over to PLUS_EXPR.
1364
1365 2007-06-25 Chao-ying Fu <fu@mips.com>
1366
1367 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
1368 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
1369 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
1370 Document GET_MODE_IBIT, and GET_MODE_FBIT.
1371
1372 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
1373 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1374 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
1375 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
1376 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
1377 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
1378 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
1379 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
1380 ALL_FIXED_POINT_MODE_P): New define.
1381 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1382 MODE_UACCUM.
1383 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
1384
1385 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
1386 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1387 MODE_VECTOR_UACCUM): New mode classes.
1388
1389 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
1390 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
1391 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
1392 USA, UDA, and UTA.
1393
1394 * genmodes.c (struct mode_data): Add ibit and fbit fields.
1395 (blank_mode): Initialize ibit and fbit.
1396 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
1397 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1398 MODE_UACCUM.
1399 (new_adjust): Change required_class to required_class_from and
1400 required_class_to for testing within a range.
1401 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1402 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1403 MODE_VECTOR_UACCUM.
1404 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
1405 (make_fixed_point_mode): New.
1406 (_ADD_ADJUST): Change C to C1 and C2.
1407 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
1408 use a range for machine classes.
1409 (ADJUST_IBIT, ADJUST_FBIT): New.
1410 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
1411 CONST_MODE_FBIT.
1412 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
1413 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1414 Emit adjustment for ibit and fbit.
1415 (emit_mode_ibit, emit_mode_fbit): New.
1416 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
1417
1418 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
1419
1420 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
1421 as the source of the set.
1422
1423 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
1424
1425 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
1426 FP_REGNO_P): Use IN_RANGE.
1427 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
1428 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
1429 (DATA_REG_P): Use DATA_REGNO_P.
1430 (FP_REG_P): Use FP_REGNO_P.
1431 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
1432 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
1433 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
1434
1435 2007-06-24 Jan Hubicka <jh@suse.cz>
1436
1437 PR middle-end/30563
1438 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
1439
1440 2007-06-24 Sebastian Pop <sebpop@gmail.com>
1441
1442 PR middle-end/32461
1443 * fold-const.c (fold_binary): Strip nops of operand 0
1444 of BIT_NOT_EXPR before calling operand_equal_p.
1445 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
1446 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
1447
1448 2007-06-23 Mark Mitchell <mark@codesourcery.com>
1449
1450 * doc/extend.texi: Document that dllimport and dllexport imply
1451 default visibility.
1452 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
1453 imported or exported declaration, including type declarations.
1454 * c-common.c (handle_visibility_attribute): Check for conflicts
1455 with dllimport/dllexport.
1456 (c_determine_visibility): Handle dllimport/dllexport as an
1457 explicit visibility atttribute.
1458
1459 2007-06-23 Richard Guenther <rguenther@suse.de>
1460
1461 PR tree-optimization/16876
1462 PR middle-end/29478
1463 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1464 for CALL_EXPRs.
1465 * tree-inline.c (initialize_inlined_parameters): Do not call
1466 lang_hooks.tree_inlining.convert_parm_for_inlining.
1467 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1468 reason for mismatched types.
1469 * gimplify.c (gimplify_call_expr): Verify the call expression
1470 arguments match the called function type signature. Otherwise
1471 mark the call expression to be not considered for inlining
1472 using CALL_CANNOT_INLINE_P flag.
1473 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1474 edges call expression.
1475 (cgraph_decide_inlining_of_small_function): Likewise.
1476 (cgraph_decide_inlining): Likewise.
1477 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1478 Remove define.
1479 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1480 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1481 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1482 Remove declaration.
1483 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1484 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1485 Remove.
1486 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1487 convert_parm_for_inlining member.
1488
1489 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1490
1491 PR target/31152
1492 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1493 Remove optimization for GT.
1494
1495 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1496
1497 PR middle-end/32437
1498 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1499 is a PARALLEL.
1500 (prescan_insns_for_dce): Add extra parameter.
1501
1502 2007-06-23 Jan Hubicka <jh@suse.cz>
1503
1504 PR middle-end/31541
1505 * gimplify.c (mark_addressable): New function.
1506 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1507
1508 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1509
1510 PR middle-end/32374
1511 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1512
1513 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1514
1515 PR target/32413
1516 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1517 moves between MMX/SSE registers to at least 8 units to prevent
1518 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1519
1520 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1521
1522 * config/i386/i386.c (override_options): Correct x86_sahf
1523 setting condition.
1524
1525 2007-06-21 David Daney <ddaney@avtrex.com>
1526
1527 PR target/32406
1528 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1529 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1530 (exception_receiver): Renamed to ...
1531 (nonlocal_goto_receiver): ... this.
1532
1533 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1534
1535 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1536 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1537 partial register accesses.
1538
1539 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1540
1541 * fold-const.c (debug_fold_checksum): Move it under
1542 ENABLE_FOLD_CHECKING.
1543
1544 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1545
1546 PR middle-end/20623
1547 * tree.h (debug_fold_checksum): Declared.
1548 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1549 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1550 build_fold_addr_expr_with_type_1.
1551 (fold_addr_expr, debug_fold_checksum): New.
1552 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1553 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1554 Use fold_addr_expr.
1555
1556 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1557
1558 PR tree-optimization/19590
1559 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1560 of scev is a constant.
1561 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1562
1563 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1564
1565 * df-problems.c (df_note_bb_compute): Made computation of live
1566 info consistent with df_lr.
1567
1568 2007-06-21 Richard Guenther <rguenther@suse.de>
1569
1570 PR tree-optimization/32453
1571 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1572 for pointer anti-range.
1573
1574 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1575
1576 * config/i386/i386.c (processor_target_table): Increase maximum
1577 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1578 default 64bit.
1579
1580 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1581 byte alignment if > 8 byte alignment is preferred.
1582 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1583
1584 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1585
1586 PR tree-optimization/31866
1587 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1588 if ASM_EXPR's input is not a SSA_NAME.
1589
1590 PR middle-end/32362
1591 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1592 but decl is a global var, instead return decl.
1593 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1594 even for is_global_var decls, if they are private in some outer
1595 context.
1596
1597 2007-06-21 Richard Guenther <rguenther@suse.de>
1598
1599 PR tree-optimization/32451
1600 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1601
1602 2007-06-21 Christian Bruel <christian.bruel@st.com>
1603
1604 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1605 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1606 (push_regs): Changed saving order or banked registers.
1607 (sh_expand_epilogue): Likewise.
1608 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1609 (FIRST_BANKED_REG): Likewise.
1610 (LAST_BANKED_REG): Likewise.
1611 * config/sh/sh.md (banked) New attribute.
1612 (in_delay_slot): Check banked attribute.
1613
1614 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1615
1616 PR tree-optimization/32075
1617 * tree-data-ref.c (subscript_dependence_tester_1,
1618 analyze_miv_subscript, analyze_overlapping_iterations,
1619 add_distance_for_zero_overlaps, build_classic_dist_vector,
1620 subscript_dependence_tester_1, analyze_overlapping_iterations,
1621 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1622 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1623 to evolution_function_is_affine_multivariate_p.
1624
1625 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1626
1627 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1628
1629 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1630
1631 PR target/32335
1632 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1633 for TARGET_A16.
1634 * config/m32c/prologue.md (epilogue_exitd_16): New.
1635 (epilogue_reit_16): New.
1636 (epilogue_exitd): Rename to epilogue_exitd_24.
1637 (epilogue_reit): Rename to epilogue_reit_24.
1638
1639 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1640 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1641
1642 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1643 New counters.
1644 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1645 if dbg_cnt (sched_insn) reaches the limit.
1646 (choose_ready): New parameter INSN_PTR and new return value.
1647 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1648 the new return value from choose_ready.
1649 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1650 (rest_of_handle_global_alloc): New global_alloc_at_func.
1651
1652 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1653
1654 PR tree-optimization/25737
1655 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1656 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1657 * tree-flow.h (struct fieldoff): Add new field alias_set.
1658 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1659 argument addressable_type. Set alias_set of fieldoff.
1660 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1661 (create_overlap_variables_for): Pass alias_set from fieldoff to
1662 create_sft.
1663 * alias.c (get_alias_set): Use alias_set from SFT if set.
1664
1665 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1666
1667 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1668 of a variable as an unsigned HOST_WIDE_INT integer.
1669
1670 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1671
1672 PR rtl-optimization/32405
1673 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1674
1675 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1676
1677 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1678
1679 PR middle-end/31959
1680 * builtins.c: Include diagnostic.h.
1681 (expand_builtin_expect): Make gcc_assert more permissive.
1682 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1683
1684 PR inline-asm/32109
1685 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1686 and !allows_mem.
1687
1688 PR middle-end/32285
1689 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1690 if ACCUMULATE_OUTGOING_ARGS.
1691
1692 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1693
1694 * config/m68hc11/m68hc11.c: Include dataflow header file.
1695 (m68hc11_reorg): Port to dataflow.
1696
1697 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1698
1699 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
1700 (struct df_problem.free_blocks_on_set_blocks): New field.
1701 (struct dataflow.optional_p): New field.
1702 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1703 (df_live_set_all_dirty): New function.
1704 * df-scan.c (df_scan_alloc): Initialize optional_p.
1705 (problem_SCAN): Initialize free_blocks_on_set_blocks.
1706 * df-core.c (df_set_blocks): Removed use of
1707 DF_FIRST_OPTIONAL_PROBLEM. Now uses
1708 df_problem.free_blocks_on_set_blocks to determine which blocks are
1709 recycled.
1710 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
1711 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
1712 uses dataflow.optional_p to determine if problem should be
1713 deleted.
1714 (rest_of_handle_df_initialize): Only start live problem if
1715 -02 or above.
1716 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
1717 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
1718 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
1719 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
1720 problem_NOTE): Initialize free_blocks_on_set_blocks.
1721 (df_lr_bb_local_compute): Recompute luids if df_live problem is
1722 not active.
1723 (df_live_set_all_dirty, df_note_alloc): New function.
1724 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
1725 df_get_live_*.
1726 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
1727 * postreload.c (reload_combine): Ditto.
1728 * cse.c (cse_extended_basic_block): Ditto.
1729 * regmove.c (mark_flags_life_zones): Ditto.
1730 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
1731 erase_matching_seqs): Ditto.
1732 * bt-load.c (compute_defs_uses_and_gen): Ditto.
1733 * integrate (allocate_initial_values): Ditto.
1734 * combine.c (reg_dead_at_p): Ditto.
1735 * resource.c (mark_target_live_regs): Ditto.
1736 * sched-rgn.c (check_live_1, update_live_1): Ditto.
1737 * config/sh/sh.c (find_r0_life_regions): Ditto.
1738 * global.c (rest_of_handle_global_alloc): Only add back df_live
1739 for -O > 1.
1740 * local-alloc.c (rest_of_handle_local_alloc): Only remove
1741 df_live for -O > 1.
1742 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
1743 df_get_live_*.
1744 (if_convert): Make sure df_live is there at -O == 1.
1745 (pass_if_after_combine): Cleanup flags.
1746 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
1747 is there at -O == 1.
1748
1749 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
1750
1751 * config/arm/arm.c (arm_get_frame_offsets): Set
1752 offsets->locals_base to avoid negative stack size.
1753 (thumb1_expand_prologue): Assert on negative stack size.
1754
1755 2007-04-19 Sebastian Pop <sebpop@gmail.com>
1756
1757 PR tree-optimization/32367
1758 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
1759 of the chrec has no evolution in that loop.
1760 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
1761
1762 2007-06-19 Bob Wilson <bob.wilson@acm.org>
1763
1764 * config/xtensa/xtensa.c: Include "df.h".
1765 (xtensa_builtin_saveregs): Use adjust_address instead of
1766 change_address.
1767 (xtensa_va_start): Invoke make_tree with sizetype for
1768 expand_builtin_saveregs and then convert the result to a pointer.
1769 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
1770 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
1771 Subtract argument size from index value as integers and then use
1772 POINTER_PLUS_EXPR to add the result to the array address.
1773
1774 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1775
1776 PR target/32335
1777 * config/m32c/m32c.c: Include dataflow header file.
1778 (m32c_emit_prologue): Adjust for prologue insn change.
1779 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
1780 once inside a PARALLEL. Assume frame size passed in operand 0
1781 includes space to save the fb register.
1782 (prologue_enter_24): Likewise.
1783 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
1784
1785 2007-06-19 David Daney <ddaney@avtrex.com
1786
1787 PR target/32313
1788 * config/mips/mips.md (cprestore): Mark $gp as used.
1789
1790 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1791
1792 PR target/32369
1793 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
1794 (frv_ifcvt_modify_insn): Likewise.
1795
1796 2007-06-19 Richard Guenther <rguenther@suse.de>
1797
1798 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
1799 only handle positive offsets that fit in a HOST_WIDE_INT.
1800
1801 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
1802
1803 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
1804 result of rsqrt insn for zero input argument to avoid NaN.
1805
1806 2007-06-19 Richard Guenther <rguenther@suse.de>
1807
1808 PR middle-end/31950
1809 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
1810
1811 2007-06-19 Jakub Jelinek <jakub@redhat.com>
1812
1813 PR tree-optimization/32353
1814 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
1815
1816 2007-06-19 Nick Clifton <nickc@redhat.com>
1817
1818 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
1819
1820 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1821
1822 PR target/32389
1823 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
1824 * config/i386/i386.c (assign_386_stack_local): Assert that
1825 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
1826 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
1827 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
1828 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
1829
1830 2007-06-18 Steve Ellcey <sje@cup.hp.com>
1831
1832 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
1833
1834 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
1835
1836 PR rtl-optimization/32321
1837 * gcse.c (replace_store_insn): Update the note before
1838 calling emit_insn_after.
1839
1840 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1841
1842 PR middle-end/32355
1843 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
1844 cse_main.
1845 * df-problems.c (df_note_bb_compute): Fix dumping info.
1846
1847 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
1848
1849 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
1850 insn with emit_jump_insn.
1851
1852 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
1853
1854 PR tree-optimization/32383
1855 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
1856 * targhooks.h (default_builtin_reciprocal): Update prototype.
1857 * target.h (struct gcc_target): Update builtin_reciprocal.
1858 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
1859 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
1860 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
1861 when fndecl is in BUILT_IN_MD class.
1862 (execute_convert_to_rsqrt): Ditto.
1863
1864 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
1865 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
1866 Convert BUILT_IN_SQRTF code only when md_fn is false.
1867
1868 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
1869
1870 * bt-load.c (move_btr_def): Fix the order of arguments
1871 to validate_replace_rtx.
1872
1873 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
1874
1875 * config/m68k/m68k-devices.def: Add 54450..54455.
1876
1877 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
1878
1879 PR rtl-optimization/32366
1880 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
1881 FLOAT_EXTEND]: Prevent non-scalar modes from entering
1882 significand_size.
1883
1884 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
1885
1886 PR middle-end/32349
1887 * modulo-sched (generate_reg_moves): Added rescan parameter and if
1888 this is true, rescan insn being modified.
1889 (sms_schedule): Added rescan parameter.
1890 (rest_of_handle_sms): Moved freeing of dominance info to before
1891 getting out of cfg_layout.
1892
1893 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
1894
1895 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
1896 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
1897 appropriate.
1898
1899 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
1900 FL_CF_EMAC from the entry for isac.
1901
1902 * config/m68k/predicates.md (const_call_operand): Adjust comment.
1903 (const_sibcall_operand): New.
1904 (sibcall_operand): Use it.
1905 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
1906 (m68k_isas): ISAC does not imply FPU or EMAC.
1907 (override_options): Add ISA_C logic for symbolic jump & call.
1908
1909 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1910
1911 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
1912 return mode from the builtin itself.
1913 (sparc_fold_builtin): Fix cast of zero constant.
1914
1915 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1916
1917 * targhooks.c (default_builtin_reciprocal): New default target hook.
1918 * targhooks.h (default_builtin_reciprocal): Add prototype.
1919 * hooks.c (hook_tree_tree_bool_null): Remove hook.
1920 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
1921 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
1922 default_builtin_reciprocal.
1923
1924 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
1925
1926 PR middle-end/31723
1927 * hooks.c (hook_tree_tree_bool_null): New hook.
1928 * hooks.h (hook_tree_tree_bool_null): Add prototype.
1929 * tree-pass.h (pass_convert_to_rsqrt): Declare.
1930 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
1931 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
1932 and convert it to reciprocal a*rfunc(b).
1933 (execute_convert_to_rsqrt): New function.
1934 (gate_convert_to_rsqrt): New function.
1935 (pass_convert_to_rsqrt): New pass definition.
1936 * target.h (struct gcc_target): Add builtin_reciprocal.
1937 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
1938 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
1939 TARGET_BUILTIN_RECIPROCAL.
1940 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
1941
1942 * config/i386/i386.h (TARGET_RECIP): New define.
1943 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
1944 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1945 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1946 and not optimizing for size.
1947 (*rcpsf2_sse): New insn pattern.
1948 (*rsqrtsf2_sse): Ditto.
1949 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
1950 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1951 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1952 and not optimizing for size.
1953 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
1954 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1955 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1956 and not optimizing for size.
1957 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
1958 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1959 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1960 and not optimizing for size.
1961 (*sse_rsqrtv4sf2): Do not export.
1962 (sqrtv4sf2): Ditto.
1963 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
1964 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
1965 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
1966 and not optimizing for size.
1967 (sqrtv4sf2): Ditto.
1968 * config/i386/i386.opt (mrecip): New option.
1969 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
1970 (ix86_emit_swsqrtsf): Ditto.
1971 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
1972 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
1973 builtin definition.
1974 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
1975 ix86_expand_unop1_builtin.
1976 (ix86_emit_swdivsf): New function.
1977 (ix86_emit_swsqrtsf): Ditto.
1978 (ix86_builtin_reciprocal): New function.
1979 (TARGET_BUILTIN_RECIPROCAL): Use it.
1980 (ix86_vectorize_builtin_conversion): Rename from
1981 ix86_builtin_conversion.
1982 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
1983 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
1984 "i386 and x86_64 Options" section.
1985 (Intel 386 and AMD x86_64 Options): Document -mrecip.
1986
1987 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1988 Zdenek Dvorak <dvorakz@suse.cz>
1989 Richard Guenther <rguenther@suse.de>
1990 Kaz Kojima <kkojima@gcc.gnu.org>
1991
1992 * tree-vrp.c (compare_values_warnv): Convert val2 to
1993 the type of val1.
1994 (extract_range_from_assert): Create
1995 POINTER_PLUS_EXPR for pointer types.
1996 (extract_range_from_binary_expr): Handle
1997 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
1998 for pointer types.
1999 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
2000 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
2001 POINTER_PLUS_EXPR as PLUS_EXPR.
2002 (number_of_iterations_lt_to_ne):
2003 For pointer types, use sizetype when
2004 creating MINUS_EXPR/PLUS_EXPRs.
2005 (assert_loop_rolls_lt): For pointer types, use sizetype when
2006 creating MINUS_EXPR/PLUS_EXPRs.
2007 (number_of_iterations_le): Likewise.
2008 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
2009 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
2010 like PLUS_EXPR and MINUS_EXPR.
2011 * tree-pretty-print.c (dump_generic_node): Handle
2012 POINTER_PLUS_EXPR.
2013 (op_prio): Likewise.
2014 (op_symbol_1): Likewise.
2015 * optabs.c (optab_for_tree_code): Likewise.
2016 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
2017 specially.
2018 * tree-tailcall.c (process_assignment): Mention
2019 POINTER_PLUS_EXPR in a TODO comment.
2020 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
2021 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
2022 not used with a pointer and an integer type.
2023 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
2024 increment using chrec_convert_rhs instead of chrec_convert.
2025 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
2026 PLUS_EXPR except for the right hand side's type will be
2027 sizetype.
2028 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
2029 (fold_used_pointer_cast): Kill.
2030 (pointer_offset_p): Kill.
2031 (fold_used_pointer): Kill.
2032 (pointer_used_p): Kill.
2033 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
2034 call fold_used_pointer.
2035 (instantiate_parameters_1): Convert the increment
2036 using chrec_convert_rhs instead of chrec_convert.
2037 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
2038 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
2039 instead of PLUS_EXPR.
2040 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
2041 PLUS_EXPR for pointers.
2042 (std_gimplify_va_arg_expr): Likewise.
2043 (fold_builtin_memory_op): Likewise.
2044 (fold_builtin_strstr): Likewise.
2045 (fold_builtin_strchr): Likewise.
2046 (fold_builtin_strrchr): Likewise.
2047 (fold_builtin_strpbrk): Likewise.
2048 (expand_builtin_memory_chk): Likewise.
2049 (fold_builtin_memory_chk): Likewise.
2050 (std_expand_builtin_va_start): Use
2051 sizetype for the call to make_tree and then convert
2052 to the pointer type.
2053 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
2054 instead of PLUS_EXPR for adding to a pointer.
2055 (std_gimplify_va_arg_expr): Use fold_build2 for
2056 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
2057 the operands to sizetype first and then cast the BIT_AND_EXPR
2058 back to the pointer type.
2059 * fold-const.c (build_range_check): Handle pointer types
2060 specially.
2061 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
2062 of PLUS_EXPR's. Make sure the offset is converted to
2063 sizetype.
2064 (try_move_mult_to_index): Strip the NOPs from the offset.
2065 Remove code argument and replace all uses with PLUS_EXPR.
2066 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
2067 specially. Don't use a pointer type for MINUS_EXPR.
2068 (fold_unary): Handle for (T1)(X op Y),
2069 only p+ as that is the only as that can be handled for
2070 binary operators now.
2071 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
2072 POINTER_PLUS_EXPR.
2073 <case PLUS_EXPR>: Add folding of PTR+INT into
2074 PTR p+ INT.
2075 Don't call try_move_mult_to_index.
2076 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
2077 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
2078 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
2079 Don't call try_move_mult_to_index.
2080 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
2081 (tree_expr_nonzero_p): Likewise.
2082 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
2083 of PLUS_EXPR for the complex expression folding.
2084 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
2085 first chrec is a pointer type, then the second should
2086 be sizetype and not the first's type.
2087 For POINTER_PLUS_EXPR, use a different right hand side type.
2088 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2089 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
2090 different right hand side type.
2091 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2092 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
2093 instead of PLUS_EXPR.
2094 When either operand is zero, convert the other operand.
2095 (chrec_apply): Use chrec_convert_rhs
2096 on the argument x instead of chrec_convert.
2097 (reset_evolution_in_loop): For pointer types, the new_evol
2098 should be sizetype.
2099 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
2100 different right hand side type.
2101 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2102 (chrec_convert_rhs): New function.
2103 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
2104 different right hand side type.
2105 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2106 * tree-chrec.h (chrec_convert_rhs): New prototype.
2107 (build_polynomial_chrec): For pointer types, the right hand
2108 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
2109 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
2110 Remove subtraction case as it is always addition now.
2111 Make sure the offset is converted to sizetype.
2112 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
2113 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
2114 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
2115 PLUS_EXPR in pointer type.
2116 Handle POINTER_PLUS_EXPR.
2117 (tree_to_aff_combination): Likewise.
2118 (force_expr_to_var_cost): Likewise.
2119 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
2120 instead of PLUS_EXPR for pointers.
2121 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
2122 instead of PLUS_EXPR of pointer types.
2123 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
2124 as PLUS_EXPR.
2125 (check_va_list_escapes): Likewise.
2126 (check_all_va_list_escapes): Likewise.
2127 * dwarf2out.c (loc_descriptor_from_tree_1):
2128 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
2129 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
2130 (string_constant): Likewise.
2131 * tree-ssa-address.c (tree_mem_ref_addr): When adding
2132 the offset to the base, use POINTER_PLUS_EXPR.
2133 (add_to_parts): Convert the index to sizetype.
2134 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
2135 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
2136 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
2137 Offset only holds something for PLUS_EXPR.
2138 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
2139 a PLUS_EXPR.
2140 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
2141 and not PLUS_EXPR.
2142 (analyze_accesses_for_modify_stmt): Likewise.
2143 Remove comment about the type being integral type as it is
2144 wrong now.
2145 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
2146 PLUS_EXPR.
2147 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
2148 and not PLUS_EXPR.
2149 Correct the type which the artimentic is done in (is now
2150 sizetype).
2151 Reindent one loop.
2152 * tree-data-ref.c (split_constant_offset): Handle
2153 POINTER_PLUS_EXPR
2154 * tree-affine.c (tree_to_aff_combination): Likewise.
2155 * c-typeck.c (build_unary_op): For pointers create the increment
2156 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
2157 for pointers.
2158 * gimplify.c (gimplify_self_mod_expr): Create a
2159 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2160 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
2161 * tree.def (POINTER_PLUS_EXPR): New tree code.
2162 * tree-predcom.c (ref_at_iteration): If we have a pointer
2163 type do the multiplication in sizetype.
2164 * tree-mudflap.c (mf_xform_derefs_1): Create a
2165 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2166 * tree-ssa-forwprop.c
2167 (forward_propagate_addr_into_variable_array_index):
2168 Don't expect there to be a cast for the index as that
2169 does not exist anymore.
2170 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
2171 instead of PLUS_EXPR.
2172 Don't check for the first operand of the POINTER_PLUS_EXPR
2173 was the index as it cannot be.
2174 Call forward_propagate_addr_into_variable_array_index with
2175 the SSA_NAME instead of the statement.
2176 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
2177 (compare_constant): Likewise.
2178 (copy_constant): Likewise.
2179 (compute_reloc_for_constant): Likewise.
2180 (output_addressed_constants): Likewise.
2181 (initializer_constant_valid_p): Likewise.
2182 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
2183 Convert the MIN/MAX of the inner type to the outer
2184 type before comparing them.
2185 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
2186 POINTER_PLUS_EXPR instead of PLUS_EXPR.
2187 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
2188 of PLUS_EXPR for pointers.
2189 * tree-inline.c (estimate_num_insns_1): Handle
2190 POINTER_PLUS_EXPR.
2191 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2192 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2193 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
2194 instead of PLUS_EXPR for the pointer increment statement.
2195 (vect_update_ivs_after_vectorizer): For pointer types, create
2196 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
2197 MULT_EXPR in sizetype.
2198 (vect_gen_niters_for_prolog_loop): Add a cast when creating
2199 byte_misalign.
2200 * tree-object-size.c (plus_expr_object_size): Handle
2201 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
2202 code which is trying to figure out which side is a pointer and
2203 is the index.
2204 (check_for_plus_in_loops_1): Likewise.
2205 (check_for_plus_in_loops): Likewise.
2206 * c-common.c (pointer_int_sum): Create a
2207 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2208 * tree-ssa-structalias.c (handle_ptr_arith): Handle
2209 only POINTER_PLUS_EXPR. Removing all the extra
2210 code which is trying to figure out which side is a pointer and
2211 is the index.
2212 * tree-cfg.c (verify_expr): Add extra checking for pointers and
2213 PLUS_EXPR and MINUS_EXPR.
2214 Also add checking to make sure the operands of POINTER_PLUS_EXPR
2215 are correct.
2216 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
2217 with make_tree, instead of a pointer type.
2218 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
2219 for pointers instead of PLUS_EXPR.
2220 (s390_gimplify_va_arg): Likewise.
2221 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
2222 instead of PLUS_EXPR when doing addition on pointer
2223 types. Use sizetype for the second operand.
2224 (spu_gimplify_va_arg_expr): Likewise.
2225 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
2226 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
2227 a pointer. Don't create a BIT_AND_EXPR for pointer types.
2228 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
2229 for the pointer addition and also use size_int/sizetype
2230 for the offset.
2231 (ix86_gimplify_va_arg): Likewise.
2232 Perform BIT_AND_EXPR on sizetype arguments.
2233 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
2234 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
2235 for the pointer additions and also use size_int for the offsets.
2236 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
2237 additions and also use size_int for the offsets. Perform
2238 BIT_AND_EXPR on sizetype arguments.
2239 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
2240 POINTER_PLUS_EXPR for pointers and create the
2241 BIT_AND_EXPR in sizetype.
2242 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
2243 instead of PLUS_EXPR for pointer addition.
2244 (rs6000_va_start): Likewise.
2245 Also use sizetype for the offset.
2246 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
2247 as PLUS_EXPR/MINUS_EXPR.
2248 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
2249 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
2250 Don't use BIT_AND_EXPR on a pointer type, convert the
2251 expression to sizetype first.
2252 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
2253 for pointers.
2254 (mips_gimplify_va_arg_expr): Likewise.
2255 Don't create BIT_AND_EXPR in a pointer type.
2256
2257 2007-06-15 Eric Christopher <echristo@apple.com>
2258
2259 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
2260 (x86_64-*-darwin*): Ditto.
2261 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
2262 for above.
2263
2264 2007-06-15 Matthew Wilcox <matthew@wil.cx>
2265
2266 * doc/extend.texi: Document behavior of __attribute__((aligned))
2267 on typedefs.
2268
2269 2007-06-15 Mark Mitchell <mark@codesourcery.com>
2270
2271 * rtlanal.c (note_stores): Improve documentation.
2272
2273 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
2274
2275 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
2276 LOCAL_LABEL_PREFIX): Delete.
2277 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
2278 (bfin_internal_label): Delete.
2279
2280 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
2281
2282 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
2283 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
2284 otherwise define to LIBGCC2_TF_CEXT.
2285 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
2286 (LIBGCC_TF_CEXT): Ditto.
2287 (TF_SIZE): Ditto.
2288
2289 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
2290
2291 PR rtl-optimization/32339
2292 * df-scan.c (df_uses_record): Don't modify flags but just add to
2293 it for df_ref_record.
2294
2295 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
2296
2297 * tree-mudflap.c: Fix whitespace issues.
2298
2299 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
2300
2301 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
2302
2303 2007-06-14 Eric Christopher <echristo@apple.com>
2304
2305 * config/i386/sse.md (movdi_to_sse): Rewrite body.
2306 (movv4sf): Use gcc_unreachable instead of abort.
2307
2308 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
2309
2310 PR target/32268
2311 * config/i386/sfp-machine.h (CMPtype): New define.
2312 (mach stubs): Use CMPtype instead of int as a return type.
2313
2314 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
2315
2316 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
2317 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
2318 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
2319 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
2320 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
2321 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
2322 config/soft-fp/soft-fp.h: Update from glibc CVS.
2323
2324 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
2325
2326 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
2327
2328 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
2329
2330 PR target/32341
2331 * config/v850/v850.c: Include dataflow header file.
2332 (substitute_ep_register): Fix typo.
2333
2334 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2335
2336 * configure.ac: Fix earlier checkin.
2337 * configure: Regenerated.
2338
2339 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2340
2341 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
2342 * aclocal.m4: Regenerate.
2343 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
2344 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
2345 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
2346 * configure: Regenerate.
2347 * Makefile.in (LOOSE_WARN): Subst loose_warn.
2348
2349 * Makefile.in (quickstrap): Build libgcc too.
2350
2351 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2352
2353 * configure.ac: Add --enable-checking=df. Explicitly mention that
2354 the variables are initialized as for "release".
2355 * df-core.c: Use it.
2356 * configure: Regenerate.
2357 * config.in: Regenerate.
2358
2359 2007-06-14 Bob Wilson <bob.wilson@acm.org>
2360
2361 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
2362 validate_replace_rtx instead of replace_rtx.
2363 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
2364
2365 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
2366
2367 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
2368 (DWARF2_UNWIND_INFO): Override default if configured with
2369 SJLJ EH disabled.
2370 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
2371 (ENDFILE_SPEC): Add crtend.o.
2372 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
2373 (ENDFILE_SPEC): Add crtend.o.
2374 (TARGET_USE_JCR_SECTION): Define.
2375 (MD_UNWIND_SUPPORT): Define for 32-bit target.
2376
2377 * config/i386/cygming-crtbegin.c: New file.
2378 * config/i386/cygming-crtend.c: New file.
2379
2380 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
2381
2382 * config/i386/w32-unwind.h: New file.
2383
2384 2007-06-13 Eric Christopher <echristo@apple.com>
2385
2386 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
2387 the user set a value below STACK_BOUNDARY.
2388
2389 2007-06-13 Thiemo Seufer <ths@networkno.de>
2390
2391 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
2392 imply -lpthread for -pthread.
2393
2394 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2395
2396 * basic-block.h: Remove the prototype for
2397 free_basic_block_vars.
2398 * cfglayout.h: Remove the prototype for
2399 insn_locators_initialize.
2400 * tree.h: Remove the prototype for emit_line_note.
2401
2402 * tree-ssa-pre.c (mergephitemp): Remove.
2403 (init_pre): Don't use mergephitemp.
2404
2405 2007-06-13 Eric Christopher <echristo@apple.com>
2406
2407 * config/i386/i386.c (override_options): If we've specified
2408 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
2409
2410 2007-06-13 Bob Wilson <bob.wilson@acm.org>
2411
2412 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
2413 is defined.
2414
2415 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2416
2417 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
2418 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
2419 (eh_store_handler): New pattern.
2420 (eh_return): Emit it instead of a plain move.
2421
2422 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
2423
2424 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
2425 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
2426 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
2427 def_builtin_const.
2428
2429 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2430
2431 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
2432 (find_next_insn_start, find_load): New functions.
2433 (bfin_reorg): Use them to deal with the fact that parallel insns are
2434 no longer represented as a SEQUENCE.
2435
2436 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2437
2438 * config/sparc/sparc.c (sparc_override_options): Initialize
2439 fpu mask correctly.
2440
2441 2007-06-13 Dave Korn <dave.korn@artimi.com>
2442
2443 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
2444 df_get_live_out.
2445
2446 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2447
2448 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
2449 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
2450 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
2451 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
2452 tree-vect-transform.c: Fix comment typos. Follow spelling
2453 conventions.
2454
2455 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2456
2457 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
2458 to the exit block use set.
2459 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
2460 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2461 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2462
2463 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2464
2465 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2466 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2467 to indicate an error.
2468 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
2469 New functions.
2470 (dbg_cnt_process_opt): Print an error on a bad argument.
2471 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2472 * common.opt (-fdbg-cnt-list): New.
2473 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2474
2475 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2476
2477 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2478 flag on ref-all pointers.
2479
2480 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2481
2482 PR middle-end/31579
2483 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2484 for the offset with the modifier as EXPAND_INITIALIZER
2485 if the modifier is EXPAND_INITIALIZER.
2486 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2487 a register if we had an overflow.
2488
2489 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2490
2491 * real.c (real_isfinite): New.
2492 (real_sqrt): Use it.
2493 * real.h (real_isfinite): New.
2494 * builtins.c: Use it.
2495
2496 2007-06-12 Ian Lance Taylor <iant@google.com>
2497 Daniel Berlin <dberlin@dberlin.org>
2498
2499 PR libstdc++/29286
2500 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2501 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2502 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2503 (DECL_NO_TBAA_P): Define.
2504 (struct tree_decl_common): Add no_tbaa_flag field.
2505 * tree-ssa-structalias.c (struct variable_info): Add
2506 no_tbaa_pruning field.
2507 (new_var_info): Initialize no_tbaa_pruning field.
2508 (unify_nodes): Copy no_tbaa_pruning field.
2509 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2510 (dump_solution_for_var): Print no_tbaa_pruning flag.
2511 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2512 callers.
2513 (compute_tbaa_pruning): New static function.
2514 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2515 Call compute_tbaa_pruning.
2516 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2517 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2518 * gimple-low.c (lower_stmt): Likewise.
2519 * tree-gimple.c (is_gimple_stmt): Likewise.
2520 * tree-ssa-operands.c (get_expr_operands): Likewise.
2521 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2522 * tree-inline.c (estimate_num_insns_1): Likewise.
2523 (copy_result_decl_to_var): Likewise.
2524 * expr.c (expand_expr_real_1): Likewise.
2525 * tree-pretty-print.c (dump_generic_node): Likewise.
2526 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2527 * omp-low.c (omp_copy_decl_2): Likewise.
2528 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2529 * doc/c-tree.texi (Expression trees): Document
2530 CHANGE_DYNAMIC_TYPE_EXPR.
2531
2532 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2533
2534 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2535 with !HONOR_NANS and !HONOR_INFINITIES.
2536 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2537
2538 2007-06-12 Tristan Gingold <gingold@adacore.com>
2539
2540 * gcov.c: Comments updated.
2541 (source_info): Add file_time field.
2542 (source_index): New variable.
2543 (mutiple_files): New variable.
2544 (generate_results): New function extracted from process_file.
2545 (process_file): Save and restore chain of functions, generate
2546 results and free structures only if not merging results.
2547 (release_structures): File names are now freed in create_file_names
2548 (create_file_names): Free previous file names.
2549 (find_source): File date is now read here and modifications in
2550 source files is checked here.
2551 (read_graph_file): Only reverse order of functions for the current
2552 object file.
2553 (make_gcov_file_name): Do not generate long names if input_name is
2554 NULL.
2555 (output_lines): If merging results do not display graph, data and
2556 runs informations.
2557 Checking source file modification is done in find_source.
2558
2559 * doc/gcov.texi: Append an s to sourcefile.
2560
2561 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2562
2563 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2564 (forced_nop): New pattern.
2565 * config/bfin/bfin.c: Include "df.h".
2566 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2567 (bfin_discover_loop): Use df_get_live_in instead of
2568 global_live_at_start.
2569 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2570 df_analyze when done.
2571 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2572 the insns. Use QImode for the final insn in a bundle. Call
2573 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2574 gen_nop.
2575 (reorder_var_tracking_notes): New function.
2576 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2577 update_life_info. Call df_analyze after scheduling and bundle
2578 generation. Call reorder_var_tracking_notes if generating these
2579 notes. Call df_finish_pass at the end.
2580
2581 2007-06-12 Dirk Mueller <dmueller@suse.de>
2582
2583 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2584 a comparison, not an assignment.
2585
2586 2007-06-12 Olivier Hainque <hainque@adacore.com>
2587
2588 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2589 Request walking the subtrees only, leaving the current is_lhs/val_only
2590 untouched.
2591 (convert_non_local_reference): Likewise.
2592
2593 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2594
2595 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2596
2597 2007-06-12 Richard Guenther <rguenther@suse.de>
2598
2599 PR tree-optimization/15353
2600 PR tree-optimization/31657
2601 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2602 * timevar.def: Add TV_TREE_IFCOMBINE.
2603 * tree-pass.h (pass_tree_ifcombine): Declare.
2604 * tree-ssa-ifcombine.c: New file.
2605 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2606 * tree-flow.h (blocks_in_phiopt_order): Declare.
2607 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2608 (tree-ssa-ifcombine.o): New dependencies.
2609
2610 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2611
2612 PR rtl-optimization/32293
2613 * combine.c (simplify_if_then_else): Truncate return from
2614 nonzero_bits() to correct mode.
2615
2616 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2617
2618 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2619 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2620
2621 2007-06-11 Diego Novillo <dnovillo@google.com>
2622
2623 * Makefile.in (reload1.o-warn): Remove.
2624
2625 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2626
2627 * combine.c (subst): Use reg_overlap_mentioned_p
2628 instead of comparing register numbers directly.
2629
2630 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2631
2632 * reload1.c (mark_home_live_1): Use the mode parameter.
2633
2634 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2635
2636 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2637 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2638 word "deferred".
2639 * df-core.c: Ditto.
2640
2641 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2642
2643 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2644
2645 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2646
2647 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2648 from integer registers.
2649 (FP mode splitters): Handle TFmode.
2650
2651 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2652
2653 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2654 for ref-all pointers that point-to anything.
2655
2656 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2657
2658 * config/arm/arm.c (arm_output_dwarf_dtprel,
2659 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2660
2661 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2662
2663 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2664 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2665 to memory moves.
2666
2667 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2668
2669 * gcc/tree.c (signed_or_unsigned_type_for): New.
2670 (unsigned_type_for): Use signed_or_unsigned_type_for.
2671 (signed_type_for): Use signed_or_unsigned_type_for.
2672 * gcc/tree.h (signed_or_unsigned_type_for): New.
2673 (get_signed_or_unsigned_type): Remove.
2674 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2675 lang_hooks.types.signed_type
2676 (size_diffop): Likewise.
2677 (all_ones_mask_p): Likewise.
2678 (build_range_check): Likewise.
2679 (fold_cond_expr_with_comparison): Likewise.
2680 (fold_cond_expr_with_comparison): Likewise.
2681 (unextend): Likewise.
2682 (extract_muldiv_1): Likewise.
2683 (fold_single_bit_test_into_sign_test): Likewise.
2684 (fold_binary): Likewise.
2685 (fold_ternary): Likewise.
2686 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2687 instead of get_signed_or_unsigned_type.
2688 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2689 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2690 * gcc/expr.c (signed_or_unsigned_type_for): Use
2691 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2692 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2693 (lhd_signed_or_unsigned_type): Remove.
2694 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
2695 signed_or_unsigned_type.
2696 (lhd_signed_or_unsigned_type): Remove.
2697 * gcc/expmed.c (make_tree): Use signed_type_for instead of
2698 lang_hooks.types.signed_type.
2699 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
2700 c_common_signed_type instead of lang_hooks.types.signed_type.
2701 (c_common_unsigned_type): New.
2702 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
2703 (shorten_compare): Use c_common_unsigned_type instead of
2704 c_common_signed_or_unsigned_type.
2705 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
2706 unsigned_type_for.
2707 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
2708 lang_hooks.types.signed_type.
2709 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2710 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
2711 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
2712 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
2713 instead of unsigned_type_for.
2714 * gcc/c-decl.c (groakdeclarator): Likewise.
2715 * gcc/c-typeck.c (convert_for_assignment): Likewise.
2716 * gcc/c-common.h (c_common_unsigned_type): New.
2717
2718 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2719
2720 PR target/32280
2721 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
2722 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
2723
2724 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2725
2726 PR middle-end/32279
2727 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
2728 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
2729
2730 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
2731 Sebastian Pop <sebpop@gmail.com>
2732
2733 * lambda-code.c (remove_iv): New.
2734 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
2735
2736 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
2737
2738 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
2739 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
2740 * tree-ssa-loop-prefetch.c: Include optabs.h.
2741 (FENCE_FOLLOWING_MOVNT): New macro.
2742 (struct mem_ref): Add independent_p and storent_p fields.
2743 (record_ref): Initalize the new fields.
2744 (gather_memory_references_ref): Return true if the reference
2745 could be analysed.
2746 (gather_memory_references): Check whether all memory accesses
2747 in loop were recorded.
2748 (should_issue_prefetch_p): Return false for nontemporal stores.
2749 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
2750 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
2751 (determine_loop_nest_reuse): Detect independent memory references.
2752 (loop_prefetch_arrays): Call mark_nontemporal_stores.
2753 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
2754 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
2755 * config/i386/i386.h (x86_mfence): Declare.
2756 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
2757 * config/i386/i386.c (x86_mfence): New variable.
2758 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
2759
2760 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
2761 * optabs.c (init_optabs): Initialize storent_optab.
2762 * optabs.h (enum optab_index): Add OTI_storent.
2763 (storent_optab): Declare.
2764 * genopinit.c (optabs): Add initialization for storent_optab.
2765 * tree.h (MOVE_NONTEMPORAL): New macro.
2766 * expr.c (expand_assignment, store_expr, store_constructor_field,
2767 store_constructor, store_field, expand_expr_real_1): Propagate
2768 nontemporality of the expanded store.
2769 (emit_storent_insn): New function.
2770 * expr.h (expand_assignment, store_expr): Declaration changed.
2771 * function.c (assign_parm_setup_reg): Pass false as nontemporality
2772 to expand_assignment.
2773 * stmt.c (expand_asm_expr): Ditto.
2774 * calls.c (initialize_argument_information): Pass false as
2775 nontemporality to store_expr.
2776 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
2777 storentsi): New.
2778
2779 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2780
2781 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
2782 parameter, use it.
2783 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
2784
2785 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
2786
2787 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
2788 and allow DECL_P here.
2789
2790 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
2791
2792 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
2793 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
2794 track of the size of the expression.
2795 * cfghooks.c (merge_blocks): Remove block from loops structure only
2796 after call of the merge_blocks hook.
2797
2798 2007-06-09 Tom Tromey <tromey@redhat.com>
2799
2800 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
2801 (deprecated_state): Removed.
2802 (start_decl): Update.
2803 (enum deprecated_states): Moved earlier.
2804 (groktypename): Update.
2805 (push_parm_decl): Likewise.
2806 (grokfield): Likewise.
2807 (start_function): Likewise.
2808
2809 2007-06-09 Ian Lance Taylor <iant@google.com>
2810
2811 PR tree-optimization/32169
2812 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
2813 CONVERT_EXPR, check whether min and max both converted to an
2814 overflow infinity representation.
2815
2816 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
2817
2818 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
2819 not inserted on the edge.
2820
2821 2007-06-08 Bob Wilson <bob.wilson@acm.org>
2822
2823 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
2824 instructions if they are supported.
2825 (__divsi3, __umodsi3, __modsi3): Likewise.
2826 (__ashldi3, __ashrdi3, __lshrdi3): New.
2827 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
2828
2829 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
2830 Tony Linthicum <tony.linthicum@amd.com>
2831
2832 * doc/extend.texi: Add fvect-cost-model flag.
2833 * common.opt (fvect-cost-model): New flag.
2834 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
2835 cost fields in stmt_vec_info struct for STMT.
2836 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
2837 fields in stmt_vec_info struct and access functions for the same.
2838 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
2839 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
2840 load, store and vector to scalar operation.
2841 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
2842 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
2843 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
2844 (TARG_VEC_STORE_COST): Define cost of vector store.
2845 (vect_estimate_min_profitable_iters): Define new function.
2846 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
2847 check to evaluate if loop iterations are less than minimum profitable
2848 iterations determined by cost model or minimum vect loop bound defined
2849 by user, whichever is more conservative.
2850 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
2851 run-time check to evaluate if loop iterations are less than minimum
2852 profitable iterations determined by cost model or minimum vect loop
2853 bound defined by user, whichever is more conservative.
2854 (vect_estimate_min_profitable_iterations): New function to estimate
2855 mimimimum iterartions required for vector version of loop to be
2856 profitable over scalar version.
2857 (vect_model_reduction_cost): New function.
2858 (vect_model_induction_cost): New function.
2859 (vect_model_simple_cost): New function.
2860 (vect_cost_strided_group_size): New function.
2861 (vect_model_store_cost): New function.
2862 (vect_model_load_cost): New function.
2863 (vectorizable_reduction): Call vect_model_reduction_cost during
2864 analysis phase.
2865 (vectorizable_induction): Call vect_model_induction_cost during
2866 analysis phase.
2867 (vectorizable_load): Call vect_model_load_cost during analysis phase.
2868 (vectorizable_store): Call vect_model_store_cost during analysis phase.
2869 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
2870 vectorizable_promotion, vectorizable_demotion): Call
2871 vect_model_simple_cost during analysis phase.
2872
2873 2007-06-08 Simon Baldwin <simonb@google.com>
2874
2875 * reg-stack.c (get_true_reg): Readability change. Moved default case
2876 label into direct switch statement scope.
2877
2878 2007-06-08 Simon Baldwin <simonb@google.com>
2879
2880 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
2881 in gcc_assert() with '==' comparison.
2882
2883 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2884
2885 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
2886 TARGET_ABM handling of x86_popcnt variable.
2887
2888 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2889
2890 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
2891 __builtin_copysignq and __builtin_infq built-in functions.
2892
2893 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2894
2895 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
2896 SSE4.2 section. Correct built-in function names in SSE4A section.
2897
2898 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
2899
2900 PR tree-optimization/32243
2901 * tree-vect-transform.c (vectorizable_type_promotion): Move check
2902 for ncopies after ratio check between nunits_out and nunits_in.
2903 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
2904
2905 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
2906
2907 PR tree-optimization/32224
2908 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
2909 vectorization upon a non GIMPLE_MODIFY_STMT.
2910
2911 2007-06-08 Christian Bruel <christian.bruel@st.com>
2912
2913 PR target/29953
2914 * config/sh/sh.md (doloop_end): New pattern and splitter.
2915 * loop-iv.c (simple_rhs_p): Check for hardware registers.
2916
2917 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
2918
2919 PR middle-end/32209
2920 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
2921 functions.
2922 (verify_dominators): Do not change dominance tree.
2923
2924 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
2925
2926 * config/sh/constraints.md: New file.
2927 * config/sh/sh.c: Include tm-constrs.h.
2928 (reg_class_from_letter): Remove.
2929 (prepare_cbranch_operands): Use satisfies_constraint_*
2930 function instead of macro.
2931 (andcosts, broken_move, sh_secondary_reload): Likewise.
2932 * config/sh/predicates.md (trapping_target_operand): Likewise.
2933 (and_operand, arith_operand, arith_reg_or_0_operand,
2934 cmp_operand, logical_operand, target_operand,
2935 ua_address_operand, ua_offset, xor_operand): Likewise.
2936 * config/sh/sh.md: Include constraints.md.
2937 (*movsicc_t_false): Use satisfies_constraint_* function
2938 instead of macro.
2939 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
2940 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
2941 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
2942 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
2943 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
2944 (REG_CLASS_FROM_CONSTRAINT): Remove.
2945 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
2946 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
2947 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
2948 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
2949 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
2950 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
2951 function instead of macro.
2952 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2953 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
2954 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
2955 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
2956 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
2957 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
2958 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
2959 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
2960 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
2961 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
2962 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
2963 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
2964 EXTRA_CONSTRAINT_STR): Likewise.
2965 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
2966
2967 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2968
2969 * config/i386/darwin.h (STACK_BOUNDARY): Define.
2970
2971 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
2972
2973 PR c++/30759
2974 * c-common.h (flag_cpp0x): Replaced by...
2975 (cxx_dialect): ... this new variable specifying the C++ dialect that
2976 is used.
2977 * c-common.c (flag_cpp0x): Removed.
2978 (cxx_dialect): Defined.
2979 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
2980 cxx_dialect.
2981 * c-opts.c (c_common_post_options): Likewise.
2982 (set_std_cxx98): Set cxx_dialect to cxx98.
2983 (set_std_cxx0x): Set cxx_dialect to cxx0x.
2984
2985 2007-06-07 Geoffrey Keating <geoffk@apple.com>
2986 Hui-May Chang <hm.chang@apple.com>
2987
2988 * doc/invoke.texi (Darwin Options): Update documentation for
2989 -mmacosx-version-min.
2990 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
2991 * config/darwin-driver.c: New file.
2992 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
2993 * config/t-darwin (darwin-driver.o): New rule.
2994
2995 * config/darwin-c.c (version_as_macro): Ignore low digit.
2996
2997 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
2998
2999 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
3000 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
3001 (CSGNMODE): New mode macro.
3002 (CSGNVMODE): New mode attribute.
3003 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
3004 expander using CSGNMODE mode macro. Handle TFmode.
3005 (copysign<mode>3_const): Rename from copysignsf3_const and
3006 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
3007 Handle TFmode.
3008 (copysign<mode>3_var): Rename from copysignsf3_var and
3009 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
3010 Handle TFmode.
3011 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
3012 mode macro. Handle TFmode.
3013 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
3014 (iortf3, *iortf3): Ditto.
3015 (xortf3, *xortf3): Ditto.
3016 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
3017 TFmode and TImode masks.
3018 (ix86_expand_copysign): Expand TFmode copysign insn.
3019 (IX86_BUILTIN_INFQ): New.
3020 (IX86_BUILTIN_FABSQ): Ditto.
3021 (IX86_BUILTIN_COPYSIGNQ): Ditto.
3022 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
3023 [__builtin_fabsq]: Ditto.
3024 [__builtin_copysignq]: Ditto.
3025 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
3026 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
3027 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
3028 ix86_expand_binop_builtin().
3029
3030 2007-06-07 Bob Wilson <bob.wilson@acm.org>
3031
3032 * config/xtensa/lib1funcs.asm: Clean up whitespace.
3033
3034 2007-06-07 Steve Ellcey <sje@cup.hp.com>
3035
3036 PR target/31850
3037 * rtl.h (push_to_sequence2): New.
3038 * emit-rtl.c (push_to_sequence2): New.
3039 * function.c (assign_parm_data_all): Add new fields.
3040 (assign_parm_setup_block): Call push_to_sequence2 instead of
3041 push_to_sequence.
3042 (assign_parm_setup_reg): Ditto.
3043 (assign_parm_setup_stack): Ditto.
3044 (assign_parms_unsplit_complex): Ditto.
3045 (assign_parms): Change field name.
3046
3047 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3048
3049 PR tree-optimization/32220
3050 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
3051 phi node is reached before defining statement.
3052
3053 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3054
3055 PR tree-opt/32231
3056 * tree-vect-transform.c (vectorizable_call): Call update_stmt
3057 after changing the right hand side of the assignment.
3058
3059 2007-06-06 Eric Christopher <echristo@apple.com>
3060
3061 * config.gcc (i?86-*-darwin*): Remove arch parameter.
3062 (x86_64-*-darwin*): Ditto.
3063 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
3064 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3065
3066 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3067
3068 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
3069 coding conventions.
3070 (add_key): Likewise.
3071 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
3072 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
3073 variable names.
3074 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
3075 macros.
3076 (add_cost_one_coalesce): Likewise.
3077 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
3078 variable names. Rename orig to orig_name for consistency.
3079 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
3080 coding conventions.
3081 (cprop_into_successor_phis): Avoid using C++ keywords as variable
3082 names.
3083 (record_equivalences_from_stmt): Likewise.
3084 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
3085 the coding conventions.
3086 (memory_ssa_name_same): Likewise.
3087 (dse_optimize_stmt): Likewise.
3088 (dse_record_phis): Likewise.
3089 (dse_finalize_block): Likewise.
3090 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
3091 keywords as variable names.
3092 (may_move_till): Cast according to the coding conventions.
3093 (force_move_till_expr): Avoid using C++ keywords as variable names.
3094 (force_move_till): Cast according to the coding conventions.
3095 (memref_hash): Likewise.
3096 (memref_eq): Likewise.
3097 (gather_mem_refs_stmt): Likewise.
3098 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
3099 using C++ keywords as variable names.
3100 (idx_find_step): Cast according to the coding conventions.
3101 (idx_record_use): Likewise.
3102 (find_depends): Likewise.
3103 (prepare_decl_rtl): Likewise.
3104 (mbc_entry_hash): Likewise.
3105 (mbc_entry_eq): Likewise.
3106 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
3107 (simplify_replace_tree): Avoid using C++ keywords as variable names.
3108 (idx_infer_loop_bounds): Cast according to the coding conventions.
3109 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
3110 * tree-ssa-math-opts.c (occ_new ): Likwise.
3111 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
3112 macros.
3113 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
3114 variable names.
3115 (add_use_op): Likewise.
3116 (add_vop): Likewise.
3117 (add_vuse_op): Likewise.
3118 (add_vdef_op): Likewise.
3119 (get_expr_operands): Likewise.
3120 (push_stmt_changes): Use type safe memory macros.
3121 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
3122 keywords as variable names.
3123 (conditional_replacement): Likewise.
3124 (minmax_replacement): Likewise.
3125 (abs_replacement): Likewise.
3126 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
3127 coding conventions.
3128 (insert_fake_stores): Avoid using C++ keywords as variable names.
3129 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
3130 conventions.
3131 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
3132 (heapvar_insert): Use type safe memory macros.
3133 (new_var_info): Cast according to the coding conventions.
3134 (new_constraint): Likewise.
3135 (remove_preds_and_fake_succs): Use type safe memory macros.
3136 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
3137 conventions.
3138 (thread_single_edge): Likewise.
3139 (thread_through_loop_header): Likewise.
3140
3141 2007-06-06 Eric Christopher <echristo@apple.com>
3142
3143 * config/i386/i386.c (override_options): Move handling
3144 of TARGET_SUBTARGET* earlier.
3145
3146 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
3147
3148 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
3149 use %n on printf.
3150
3151 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
3152
3153 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
3154 emited outside of basic block.
3155 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
3156 the created blocks.
3157 * rtl.h (delete_insn_chain): Declaration changed.
3158 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
3159 non-removed insns.
3160 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
3161 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
3162 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
3163 to delete_insn_chain.
3164 (rtl_verify_flow_info_1): Verify that the insns in header and footer
3165 do not have bb field set.
3166 (rtl_verify_flow_info): Verify that insns between basic blocks do not
3167 have bb field set.
3168 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
3169 * cfgcleanup.c (try_optimize_cfg): Ditto.
3170
3171 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3172
3173 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
3174 (lambda_body_vector_new): Use type safe memory macros.
3175 (lambda_linear_expression_new): Likewise.
3176 (lambda_loopnest_new): Likewise.
3177 (lambda_lattice_new): Likewise.
3178 (replace_uses_equiv_to_x_with_y): Cast according to the coding
3179 conventions. Use type safe memory macros.
3180 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
3181 (lambda_body_vector_s): Likewise.
3182 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
3183 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
3184
3185 2007-06-06 Richard Guenther <rguenther@suse.de>
3186
3187 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
3188 if we need to schedule cfg_cleanup.
3189 (tree_ssa_forward_propagate_single_use_vars): Do so.
3190
3191 2007-06-06 Ian Lance Taylor <iant@google.com>
3192
3193 * fold-const.c (merge_ranges): If range_successor or
3194 range_predecessor fail, just return 0.
3195
3196 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3197
3198 PR tree-optimization/32216
3199 * tree-vectorizer.c (supportable_widening_operation): Determine
3200 signedness of FIX_TRUNC_EXPR from output operand.
3201 (supportable_narrowing_operation): Ditto.
3202 * tree-vect-generic.c (expand_vector_operations_1): Determine
3203 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
3204 from input operand.
3205
3206 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3207
3208 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
3209 (struct pta): ...from here. Change flags to unsigned to avoid
3210 excessive casting (as it is used as a bit mask).
3211 (override_options): Add casts according to the coding convenventions.
3212 (x86_64_elf_unique_section): Likewise.
3213 (examine_argument): Avoid using C++ keywords as variable names.
3214 (construct_container): Likewise.
3215 (legitimize_pic_address): Likewise.
3216 (get_dllimport_decl): Cast according to the coding conventions. Use
3217 type safe memory macros.
3218 (legitimize_address): Cast according to the coding conventions.
3219 (emit_i387_cw_initialization): Corrected the type of slot to enum
3220 ix86_stack_slot.
3221 (ix86_init_machine_status): Use type safe memory macros.
3222 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
3223 (bdesc_pcmpistr): Likewise.
3224 (bdesc_crc32): Likewise.
3225 (bdesc_sse_3arg): Likewise.
3226 (bdesc_2arg): Likewise.
3227 (bdesc_1arg): Likewise.
3228 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
3229 (ix86_expand_sse_pcmpistr): Likewise.
3230 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
3231 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
3232 int to match the langhook definition.
3233 (ix86_builtin_conversion): Change the type of code to unsigned init to
3234 match the langhook definition.
3235 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
3236 names.
3237 (ix86_preferred_output_reload_class): Likewise.
3238 (ix86_cannot_change_mode_class): Likewise.
3239 (ix86_memory_move_cost): Likewise.
3240 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
3241 avoid excessive casting later on.
3242 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
3243
3244 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3245
3246 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
3247 as flags setting insn.
3248 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
3249
3250 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3251
3252 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
3253 (UNSPEC_ROUND): New.
3254 ("sse4_1_round<mode>2"): New insn pattern.
3255 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
3256 SSE4.1 targets.
3257 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
3258 expander using SSEMODEF mode macro. Expand using
3259 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3260 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
3261 expander using SSEMODEF mode macro. Expand using
3262 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3263 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
3264 expander using SSEMODEF mode macro. Expand using
3265 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3266 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
3267 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
3268 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
3269 UNSPEC_ROUNDS.
3270
3271 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
3272 Sebastian Pop <sebpop@gmail.com>
3273
3274 * lambda.h (build_linear_expr): New.
3275 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
3276 Use build_linear_expr, call fold and force_gimple_operand.
3277 (lambda_loopnest_to_gcc_loopnest): Check that there is
3278 something to insert.
3279 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
3280
3281 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3282
3283 PR preprocessor/23479
3284 * doc/extend.texi: Document the 0b-prefixed binary integer
3285 constant extension.
3286
3287 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3288
3289 PR tree-optimization/32215
3290 * tree-vectorizer.c (supportable_widening_operation): Return false
3291 for unsupported FIX_TRUNC_EXPR tree code.
3292 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
3293
3294 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
3295
3296 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
3297 register on SPE targets. Change documentation to reflect
3298 reality.
3299 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
3300 Change FIXED_SCRATCH to 14 and document why we're keeping r14
3301 out of the register allocation pool.
3302 (rs6000_reg_live_or_pic_offset_p): New function.
3303 (rs6000_emit_prologue): Move the actual saving of LR up to free
3304 r0 for holding r11. Split saving of SPE 64-bit registers into
3305 its own case. Ensure that offsets will always be in-range for
3306 'evstdd' by using r11 as a scratch register to point at the start
3307 of the SPE save area. Save r11 if necessary, as it is the static
3308 chain register.
3309 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
3310 into its own case. Ensure that offsets will always be in-range
3311 for 'evldd' by using r11 as a scratch register to point at the
3312 start of the SPE save area. Also adjust r11 when restoring
3313 the stack pointer to compensate for pre-loading r11.
3314
3315 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
3316
3317 * cfg.c (init_flow): Use type safe memory macros.
3318 (alloc_block): Likewise.
3319 (unchecked_make_edge): Likewise.
3320 (dump_flow_info): Avoid using C++ keywords as variable names.
3321 (copy_original_table_clear): Cast according to the coding conventions.
3322 (copy_original_table_set): Likewise.
3323 * cfgexpand (label_rtx_for_bb): Likewise.
3324 (expand_gimple_basic_block): Likewise.
3325 * cfghooks.c (dump_bb): Likewise.
3326 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
3327 variable names.
3328 (lv_add_condition_to_bb): Likewise.
3329 * cfglayout (relink_block_chain): Cast according to the coding
3330 conventions.
3331 (fixup_reorder_chain): Likewise.
3332 (fixup_fallthru_exit_predecessor): Likewise.
3333 * cfgloop.c (glb_enum_p): Likewise.
3334 (get_exit_description): Likewise.
3335 (dump_recorded_exit): Likewise.
3336 * cfgloop.h (enum loop_estimation): Move out of struct scope...
3337 (struct loop): ... from here.
3338 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
3339 conventions.
3340 * cfgrtl.c (rtl_create_basic_block): Likewise.
3341 (rtl_split_block): Likewise.
3342 (rtl_dump_bb): Likewise.
3343 (cfg_layout_split_block): Likewise.
3344 (init_rtl_bb_info): Use typesafe memory macros.
3345
3346 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
3347 * graphds.h: Updated all usages of edge to graph_edge.
3348 * graphds.c: Likewise.
3349 * cfgloopanal.c: Likewise.
3350
3351 2007-06-05 Ian Lance Taylor <iant@google.com>
3352
3353 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
3354 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
3355 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
3356 expression.
3357 (test_for_singularity): Likewise.
3358
3359 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3360
3361 * config/i386/constraints.md ("Y2"): Replaced by ...
3362 ("Yt"): This.
3363 * config/i386/i386.md: Likewise.
3364 * config/i386/mmx.md: Likewise.
3365 * config/i386/sse.md: Likewise.
3366
3367 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3368
3369 * config/i386/constraints.md ("z"): Replaced by ...
3370 ("Y0"): This.
3371 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
3372 (sse4_1_blendvps): Likewise.
3373 (sse4_1_pblendvb): Likewise.
3374 (sse4_2_pcmpestr): Likewise.
3375 (sse4_2_pcmpestrm): Likewise.
3376 (sse4_2_pcmpestr_cconly): Likewise.
3377 (sse4_2_pcmpistr): Likewise.
3378 (sse4_2_pcmpistrm): Likewise.
3379 (sse4_2_pcmpistr_cconly): Likewise.
3380
3381 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
3382
3383 * matrix-reorg.c (transform_access_sites): Fix computation.
3384 (transform_allocation_sites): Same.
3385
3386 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3387
3388 * config/i386/i386.c (override_options): Use
3389 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
3390
3391 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3392
3393 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
3394 (nonimm_not_xmm0_operand): Ditto.
3395 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
3396 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
3397 as operand[2] predicate. Require "z" class XMM register for
3398 operand[3]. Adjust asm template.
3399 ("sse4_1_blendvpd"): Ditto.
3400 ("sse4_1_pblendvb"): Ditto.
3401 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
3402 force op2 into xmm0 register for variable blend instructions.
3403
3404 2007-06-04 Tom Tromey <tromey@redhat.com>
3405
3406 * c-tree.h (start_enum): Update.
3407 (build_enumerator): Likewise.
3408 * c-decl.c (enum_next_value): Removed.
3409 (enum_overflow): Likewise.
3410 (start_enum): Add c_enum_contents argument. Don't use globals.
3411 (build_enumerator): Likewise.
3412 * c-tree.h (struct c_enum_contents): New struct.
3413
3414 2007-06-04 Tom Tromey <tromey@redhat.com>
3415
3416 * c-common.c (c_common_get_alias_set): Fix indentation.
3417
3418 2007-06-04 Ian Lance Taylor <iant@google.com>
3419
3420 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
3421 to overflow, reduce overflow infinity to regular infinity.
3422 (vrp_var_may_overflow): New static function.
3423 (vrp_visit_phi_node): Check vrp_var_may_overflow.
3424
3425 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
3426
3427 * stor-layout.c (layout_type): Remove duplicate code.
3428
3429 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
3430
3431 PR c/32191
3432 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
3433 before build_common_builtin_nodes ().
3434
3435 2007-06-04 Steve Ellcey <sje@cup.hp.com>
3436
3437 PR target/31733
3438 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
3439
3440 2007-06-04 Jan Hubicka <jh@suse.cz>
3441
3442 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
3443 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
3444 instead of _stat version.
3445
3446 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3447
3448 PR tree-optimization/32194
3449 * tree-predcom.c (determine_offset): Check that both references have
3450 the same type.
3451
3452 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3453
3454 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
3455 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
3456 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3457 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
3458 Add argument to iterate_fix_dominators call.
3459 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
3460 * gcse.c (hoist_code): Change domby to vector.
3461 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
3462 Add argument to iterate_fix_dominators call.
3463 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3464 recompute_dominator.
3465 * lambda-code.c (perfect_nestify): Ditto.
3466 * cfgloopanal.c: Include graphds.h.
3467 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3468 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3469 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3470 add_edge call.
3471 * graphds.c: New file.
3472 * graphds.h: New file.
3473 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3474 (get_dominated_by, get_dominated_by_region): Change return type to
3475 vector.
3476 (verify_dominators): Recompute all dominators and compare the results.
3477 (recount_dominator): Renamed to ...
3478 (recompute_dominator): ... this. Do not check that the block is
3479 dominated by entry.
3480 (iterate_fix_dominators): Reimplemented.
3481 (prune_bbs_to_update_dominators, root_of_dom_tree,
3482 determine_dominators_for_sons): New functions.
3483 * et-forest.c (et_root): New function.
3484 * et-forest.h (et_root): Declare.
3485 * Makefile.in (graphds.o): Add.
3486 (cfgloopanal.o): Add graphds.h dependency.
3487 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3488 * basic-block.h (get_dominated_by, get_dominated_by_region,
3489 iterate_fix_dominators): Declaration changed.
3490 (recount_dominator): Renamed to ...
3491 (recompute_dominator): ... this.
3492 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3493 (thread_through_all_blocks): Do not free dominance info.
3494
3495 2007-06-03 Andreas Schwab <schwab@suse.de>
3496
3497 * config/m68k/m68k.c (override_options): Don't override
3498 REAL_MODE_FORMAT.
3499 * config/m68k/m68k-modes.def (SF, DF): Define to use
3500 motorola_single_format and motorola_double_format, resp.
3501 * real.c (motorola_single_format): Renamed from
3502 coldfire_single_format.
3503 (motorola_double_format): Renamed from coldfire_double_format.
3504 (encode_ieee_extended): Generate a proper canonical NaN image
3505 respecting canonical_nan_lsbs_set.
3506 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3507 true.
3508 * real.h: Adjust declarations.
3509
3510 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3511
3512 PR target/32163
3513 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3514 the symbol is generated with the stack protector.
3515
3516 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3517
3518 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3519 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3520 "interrupt".
3521 * doc/extend.texi (interrupt): Mention m68k.
3522
3523 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3524
3525 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3526 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3527 (ix86_expand_sse_pcmpestr): Do not check operands for
3528 "register_operand", when insn operand predicate is "register_operand".
3529 (ix86_expand_sse_pcmpistr): Ditto.
3530
3531 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3532 Uros Bizjak <ubizjak@gmail.com>
3533
3534 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3535 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3536 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3537 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3538 * config/i386/constraints.md ("z"): New register constraint
3539 for members of SSE_FIRST_REG class.
3540 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3541 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3542 SSE_FIRST_REG class.
3543 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3544 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3545 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3546 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3547 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3548 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3549 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3550 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3551 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3552 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3553 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3554 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3555 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3556 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3557 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3558 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3559 (struct builtin_description): Change "flag" field to unsigned.
3560 (bdesc_pcmpestr): New builtin description table.
3561 (bdesc_pcmpistr): Likewise.
3562 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3563 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3564 Initialize pcmp[ei]str[im] insns for SSE4.2.
3565 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3566 (ix86_expand_sse_pcmpistr): Likewise.
3567 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3568 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3569 (UNSPEC_PCMPISTR): Likewise.
3570 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3571 (sse4_2_pcmpestri):New isns pattern.
3572 (sse4_2_pcmpestrm): Likewise.
3573 (sse4_2_pcmpestr_cconly): Likewise.
3574 (sse4_2_pcmpistr): New insn patern and splitter.
3575 (sse4_2_pcmpistri):New isns pattern.
3576 (sse4_2_pcmpistrm): Likewise.
3577 (sse4_2_pcmpistr_cconly): Likewise.
3578 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3579 in SSE4.2.
3580
3581 2007-06-01 David Daney <ddaney@avtrex.com>
3582
3583 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3584 LOADGP_ABSOLUTE and not binds_local_p.
3585
3586 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3587
3588 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3589
3590 2007-06-01 Ian Lance Taylor <iant@google.com>
3591
3592 * tree-vrp.c (compare_name_with_value): Always set
3593 used_strict_overflow if we get a result from the variable itself.
3594
3595 2007-06-01 Ian Lance Taylor <iant@google.com>
3596
3597 PR rtl-optimization/31455
3598 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3599 subregs which have a cast between modes which are not tieable.
3600
3601 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3602
3603 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3604 breaks after return statements.
3605
3606 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3607
3608 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3609 only after no_new_pseudos.
3610
3611 2007-05-31 Eric Christopher <echristo@apple.com>
3612
3613 * expr.c (convert_move): Assert that we don't have a BLKmode
3614 operand.
3615 (store_expr): Handle BLKmode moves by calling emit_block_move.
3616
3617 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3618
3619 * c-typeck.c (build_indirect_ref): Include type in error message.
3620 (build_binary_op): Pass types to binary_op_error.
3621 * c-common.c (binary_op_error): Take two type arguments, print out
3622 types with error.
3623 * c-common.h (binary_op_error): Update prototype.
3624
3625 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3626
3627 * config/i386/i386.c: Correct coments on -mno-sse4.
3628
3629 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3630
3631 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3632 (x86_64-*-*): Likewise.
3633 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3634 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3635 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3636 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3637 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3638 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3639 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3640 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3641 (OPTION_MASK_ISA_SSE4): Likewise.
3642 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3643 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3644 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3645 (override_options): Support SSE4.2.
3646 (ix86_build_const_vector): Support SImode and DImode.
3647 (ix86_build_signbit_mask): Likewise.
3648 (ix86_expand_int_vcond): Support V2DImode.
3649 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3650 (IX86_BUILTIN_CRC32HI): Likewise.
3651 (IX86_BUILTIN_CRC32SI): Likewise.
3652 (IX86_BUILTIN_CRC32DI): Likewise.
3653 (IX86_BUILTIN_PCMPGTQ): Likewise.
3654 (bdesc_crc32): Likewise.
3655 (bdesc_sse_3arg): Likewise.
3656 (ix86_expand_crc32): Likewise.
3657 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3658 (ix86_expand_builtin): Likewise.
3659 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3660 __SSE4_2__ for -msse4.2.
3661 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3662 (CRC32MODE): Likewise.
3663 (crc32modesuffix): Likewise.
3664 (crc32modeconstraint): Likewise.
3665 (sse4_2_crc32<mode>): Likewise.
3666 (sse4_2_crc32di): Likewise.
3667 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3668 (msse4): Likewise.
3669 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3670 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3671 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3672 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3673 (vcondu<mode>): Likewise.
3674 * doc/extend.texi: Document SSE4.2 built-in functions.
3675 * doc/invoke.texi: Document -msse4.2/-msse4.
3676
3677 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3678
3679 PR tree-optimization/32160
3680 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3681 variable as gimple reg.
3682 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3683
3684 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3685
3686 * gcc.c (main): Don't consider linker options when issuing the
3687 warning about a linker input file not being used.
3688
3689 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3690
3691 * tree-vrp.c (compare_names): Initialize sop.
3692
3693 2007-05-30 Dirk Mueller <dmueller@suse.de>
3694
3695 * cgraphunit.c (cgraph_analyze_function): Remove
3696 computation of inline parameters.
3697
3698 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3699
3700 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
3701
3702 2007-05-30 Richard Sandiford <richard@codesourcery.com>
3703
3704 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
3705 Add vx-common.h. Include vxworks.h between vx-common.h and
3706 arm/vxworks.h.
3707 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
3708 redefining.
3709 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
3710 (TARGET_ASM_DESTRUCTOR): Likewise.
3711 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
3712 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
3713 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3714 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
3715 (VXWORKS_ENDIAN_SPEC): Define.
3716 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
3717 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
3718 VXWORKS_* equivalents.
3719 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
3720 (ASM_FILE_START): Delete.
3721 (TARGET_VERSION): Reformat.
3722 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
3723 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
3724 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3725 (FPBIT, DPBIT): Define.
3726 (fp-bit.c, dp-bit.c): New rules.
3727 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
3728 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
3729 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
3730 * config/arm/arm.h: Include vxworks-dummy.h.
3731 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
3732 Mark with ATTRIBUTE_UNUSED.
3733 (arm_override_options): Do not allow VxWorks RTP PIC to be used
3734 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
3735 make it incompatible with -msingle-pic-base.
3736 (arm_function_ok_for_sibcall): Return false for calls that might
3737 go through a VxWorks PIC PLT entry.
3738 (require_pic_register): New function, split out from...
3739 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
3740 for VxWorks RTPs.
3741 (arm_load_pic_register): Handle the VxWorks RTP initialization
3742 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
3743 (arm_emit_call_insn): New function.
3744 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
3745 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
3746 (pic_offset_arm): New pattern.
3747 (call, call_value): Use arm_emit_call_insn.
3748 (call_internal, call_value_internal): New expanders.
3749 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
3750 VxWorks unless __PIC__.
3751
3752 2007-05-30 Eric Christopher <echristo@gmail.com>
3753
3754 * genrecog.c: Include regs.h in generated file.
3755 * genemit.c: Ditto. Fix up formatting.
3756 * config/mn10300/constraints.md: New.
3757 * config/mn10300/mn10300.md: Include.
3758 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
3759 Fix up for removed macro.
3760 * config/mn10300/predicates.md (call_address_operand): Ditto.
3761 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
3762 (CONST_OK_FOR_I): Ditto.
3763 (CONST_OK_FOR_J): Ditto.
3764 (CONST_OK_FOR_K): Ditto.
3765 (CONST_OK_FOR_L): Ditto.
3766 (CONST_OK_FOR_M): Ditto.
3767 (CONST_OK_FOR_N): Ditto.
3768 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
3769 (OK_FOR_Q): Ditto.
3770 (OK_FOR_R): Ditto.
3771 (OK_FOR_T): Ditto.
3772 (EXTRA_CONSTRAINT): Ditto.
3773
3774 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3775
3776 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
3777 Remove defines.
3778 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
3779 OPTION_MASK_ISA_64BIT.
3780 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
3781
3782 2007-05-30 Richard Guenther <rguenther@suse.de>
3783
3784 PR middle-end/32152
3785 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
3786 types for comparison.
3787 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
3788 with original typed arguments.
3789 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
3790
3791 2007-05-30 Jakub Jelinek <jakub@redhat.com>
3792
3793 PR tree-optimization/31769
3794 * except.c (duplicate_eh_regions): Clear prev_try if
3795 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
3796
3797 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3798
3799 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
3800 * tree-ssa-sink.c (statement_sink_location): Return basic block and
3801 bsi of the location where statements should be inserted.
3802 (sink_code_in_bb): Take bsi from statement_sink_location.
3803 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
3804 instead of bsi_start.
3805 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
3806 bsi_insert_after.
3807 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
3808 (bsi_move_before): Document inconsistency with bsi_move_after.
3809 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
3810
3811 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3812
3813 * config/i386/i386.h (TARGET_ABM): New define.
3814 (TARGET_POPCNT): Ditto.
3815 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
3816 New temporary defines to redefine from OPTION_ISA_* defines.
3817 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
3818 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
3819 (ix86_isa_flags): New extern int declaration.
3820 (TARGET_SUBTARGET_DEFAULT): New define.
3821 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
3822 (TARGET_SUBTARGET32_DEFAULT): Ditto.
3823 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
3824 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3825 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
3826 * config/i386/darwin.h: Change TARGET_64BIT define to
3827 OPTION_ISA_64BIT.
3828
3829 * config/i386/i386.opt (m3dnowa): Define as undocumented option
3830 using existing "ix86_isa_flags" varible.
3831 (m32, m64): Use existing "ix86_isa_flags" variable.
3832 (mmmx, m3dnow): Ditto.
3833 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
3834 (mabm): Define as non-negative option using "x86_abm" variable.
3835 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
3836
3837 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
3838 Rewrite feature test bitmap.
3839 (ix86_isa_flags): New initialized global int varible.
3840 (ix86_isa_flags_explicit): New static int variable.
3841 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
3842 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
3843 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
3844 target_flags_explicit.
3845 (override_options): Remove "target_enable" and "target_disable" fields
3846 from "struct ptt". Update processor_target_table accordingly. Remove
3847 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
3848 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
3849 "target_flags" and "ix86_isa_flags_explicit" instead of
3850 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
3851 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
3852 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
3853 to true when either of PTA_POPCNT or PTA_ABM is set in
3854 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
3855 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
3856 processor_alias_table flags entry. Remove handling of
3857 "target_enable" and "target_disable" fields of processor_target_table.
3858 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
3859 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
3860 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
3861 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
3862 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
3863 "target_flags".
3864 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
3865
3866 2007-05-29 David Daney <ddaney@avtrex.com>
3867
3868 PR gcc/31975
3869 * config/mips/mips.c (mips_output_mi_thunk): Emit
3870 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
3871
3872 2007-05-29 Hui-May Chang <hm.chang@apple.com>
3873 * config/i386/i386.c (ix86_function_regparm): Added checking of
3874 ix86_force_align_arg_pointer to determine the number of
3875 register parameters.
3876
3877 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
3878
3879 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
3880 (SET_DR_MISALIGNMENT): New.
3881 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
3882 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
3883 Use SET_DR_MISALIGNMENT.
3884 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
3885 pointer.
3886 * tree-data-ref.c (create_data_ref, compute_all_dependences,
3887 find_loop_nest): Export.
3888 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
3889 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
3890 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
3891 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
3892 New macros.
3893 (struct mem_ref): Add field reuse_distance.
3894 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
3895 Initialize reuse_distance field.
3896 (issue_prefetch_ref): Select temporality of prefetch according to
3897 reuse_distance.
3898 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
3899 self_reuse_distance, determine_loop_nest_reuse): New functions.
3900 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
3901 (tree_ssa_prefetch_arrays): Dump L2 cache size.
3902 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
3903 dependency.
3904
3905 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
3906
3907 * tree-ssa-alias.c: Add aliasing overview.
3908
3909 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
3910 Danny Smith <dannysmith@users.sourceforge.net>
3911
3912 PR target/29498
3913 * config/i386/t-crtfm: Compile crtfastmath.o with
3914 -minline-all-stringops.
3915 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
3916 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
3917
3918 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3919
3920 * doc/md.texi: Document constraints on HP PA-RISC.
3921
3922 * pa/constraints.md: New file.
3923 * pa.md: Include constraints.md.
3924 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
3925 (integer_store_memory_operand, ldil_cint_p): New functions.
3926 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
3927 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
3928 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
3929 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
3930 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
3931
3932 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
3933
3934 PR c/31339
3935 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
3936 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
3937 case POSTDECREMENT_EXPR>): Return the error_mark_node
3938 if either the real or imaginary parts would an
3939 error_mark_node.
3940
3941 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
3942
3943 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
3944 name when we remove it from a call.
3945
3946 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
3947
3948 * targhooks.c (default_narrow_bitfield): Remove.
3949 * targhooks.h: Remove the prototype for
3950 default_narrow_bitfield.
3951
3952 * langhooks-def.h: Remove the prototype for
3953 hook_get_alias_set_0.
3954 * langhooks.c (hook_get_alias_set_0): Remove.
3955
3956 * global.c (EXECUTE_IF_CONFLICT): Remove.
3957
3958 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3959
3960 PR tree-opt/32100
3961 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
3962 return true when truth_value_p is true and the type
3963 is of signed:1.
3964
3965 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
3966
3967 * doc/install.texi (Prerequisites): We no longer require Autoconf
3968 2.13 for the top-level.
3969
3970 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
3971
3972 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
3973 memory access via x86_expand_vector_move_misalign() only for
3974 TImode values on 32-bit targets.
3975
3976 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
3977
3978 * matrix-reorg.c: New file. Implement matrix flattening and
3979 transposing optimization.
3980 * tree-pass.h: Add matrix reorg pass.
3981 * common.opt: Add fipa-mreorg flag.
3982 * Makefile.in: Add matrix-reorg.c.
3983 * passes.c: Add matrix reorg pass.
3984 * varpool.c (add_new_static_var): New function.
3985 * cgraph.h (add_new_static_var): Declare.
3986
3987 2007-05-27 Eric Christopher <echristo@apple.com>
3988
3989 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
3990 sp_offset depending on stack size. Save r12 depending
3991 on registers we're saving later.
3992 (rs6000_emit_epilogue): Update sp_offset depending only
3993 on stack size.
3994
3995 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
3996
3997 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
3998 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3999 * ifcvt.c (if_convert): Ditto.
4000 * tree-ssa-threadupdate.c (thread_block): Ditto.
4001 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
4002 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
4003 verify_loop_closed_ssa): Check number_of_loops instead of
4004 current_loops.
4005 * predict.c (tree_estimate_probability): Ditto.
4006 * tree-if-conv.c (main_tree_if_conversion): Ditto.
4007 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4008 * modulo-sched.c (sms_schedule): Ditto.
4009 * tree-scalar-evolution.c (scev_const_prop): Ditto.
4010 (scev_finalize): Do not do anything if scev analysis was not
4011 initialized.
4012 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
4013 current_loops == NULL.
4014 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
4015 * loop-init.c (loop_optimizer_init): Do not free current_loops when
4016 there are no loops.
4017 (loop_optimizer_finalize): Assert that loops were analyzed.
4018 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
4019 rtl_doloop): Check number_of_loops instead of current_loops.
4020 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
4021 current_loops == NULL.
4022 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
4023 gate_tree_vectorize tree_linear_transform, check_data_deps,
4024 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
4025 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
4026 Check number_of_loops instead of current_loops.
4027 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
4028 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
4029 free loops if available.
4030 (execute_pre): Do not pass do_fre to fini_pre.
4031
4032 2007-05-27 Tobias Burnus <burnus@net-b.de>
4033
4034 PR middle-end/32083
4035 * real.c (mpfr_from_real): Fix sign of -Inf.
4036
4037 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
4038
4039 * tree-vect-transform.c (vectorizable_conversion): Initialize
4040 tree_code variables to ERROR_MARK.
4041 (vectorizable_type_demotion): Likewise.
4042 (vectorizable_type_promotion): Likewise.
4043
4044 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
4045
4046 PR target/32065
4047 * config/i386/i386.md (movti): Handle push operands via
4048 ix86_expand_push().
4049
4050 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
4051
4052 * basic-block.h: Remove the prototype for merge_seq_blocks.
4053 * cfgcleanup.c (merge_seq_blocks): Remove.
4054
4055 * tree-flow.h: Remove the prototype for is_aliased_with.
4056 * tree-ssa-alias.c (is_aliased_with): Remove.
4057
4058 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
4059
4060 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
4061
4062 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
4063
4064 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
4065 ix86_expand_sse4_unpack if SSE4.1 is enabled.
4066 (vec_unpacks_hi_v16qi): Likewise.
4067 (vec_unpacku_lo_v16qi): Likewise.
4068 (vec_unpacks_lo_v16qi): Likewise.
4069 (vec_unpacku_hi_v8hi): Likewise.
4070 (vec_unpacks_hi_v8hi): Likewise.
4071 (vec_unpacku_lo_v8hi): Likewise.
4072 (vec_unpacks_lo_v8hi): Likewise.
4073 (vec_unpacku_hi_v4si): Likewise.
4074 (vec_unpacks_hi_v4si): Likewise.
4075 (vec_unpacku_lo_v4si): Likewise.
4076 (vec_unpacks_lo_v4si): Likewise.
4077
4078 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
4079
4080 * c-typeck.c, config/arm/arm.c, config/darwin.c,
4081 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
4082 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
4083 follow spelling conventions in various
4084 warning/error/diagnostic messages.
4085
4086 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
4087 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
4088 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
4089 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
4090 tree-vrp.c: Fix comment typos. Follow spelling conventions.
4091 * doc/tm.texi: Follow spelling conventions.
4092
4093 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
4094
4095 PR tree-opt/32090
4096 * tree-ssa-forwprop.c
4097 (forward_propagate_addr_into_variable_array_index): Remove
4098 the lhs argument. Use the type of def_rhs instead of lhs.
4099 (forward_propagate_addr_expr_1): Update use of
4100 forward_propagate_addr_into_variable_array_index.
4101
4102 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
4103 Nigel Stephens <nigel@mips.com>
4104
4105 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
4106 function attributes, "far" being an alias for "long_call".
4107 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
4108 (mips_near_type_p, mips_far_type_p): New.
4109 (mips_comp_type_attributes): New function to check that attributes
4110 attached to a function type are compatible.
4111 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
4112 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
4113 to the target function of the thunk.
4114 (mips_encode_section_info): Check for "near" and "far" function
4115 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
4116
4117 * config/mips/predicates.md (const_call_insn_operand): Test only
4118 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
4119
4120 * doc/extend.texi (Function Attributes): Document MIPS "near" and
4121 "far" attributes.
4122
4123 * testsuite/gcc.target/mips/near-far-1.c: New test case.
4124 * testsuite/gcc.target/mips/near-far-2.c: New test case.
4125 * testsuite/gcc.target/mips/near-far-3.c: New test case.
4126 * testsuite/gcc.target/mips/near-far-4.c: New test case.
4127
4128 2007-05-25 Eric Christopher <echristo@apple.com>
4129
4130 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
4131 to x86-darwin configurations.
4132 * config/i386/t-darwin: Add softfp support.
4133 * config/i386/t-darwin64: Ditto.
4134 * config/i386/sfp-machine.h: If mach then don't use
4135 aliasing, emit a stub to call.
4136
4137 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
4138
4139 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
4140 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
4141 tree-predcom.c, tree-ssa-alias-warnings.c,
4142 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
4143 comment typos. Follow spelling conventions.
4144 * doc/cpp.texi, doc/invoke.texi: Fix typos.
4145
4146 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
4147
4148 PR target/32065
4149 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
4150 constants into memory. Expand unaligned memory references for
4151 SSE modes via x86_expand_vector_move_misalign() function.
4152
4153 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
4154
4155 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
4156 "memory" attribute for "sseishft" type insn without operands[2].
4157
4158 2007-05-25 Dirk Mueller <dmueller@suse.de>
4159 Marcus Meissner <meissner@suse.de>
4160
4161 * doc/extend.texi (alloc_size): New attribute.
4162 * c-common.c (handle_alloc_size_attribute): New.
4163 * tree-object-size.c (alloc_object_size): Use alloc_size
4164 attribute, if available.
4165
4166 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
4167
4168 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
4169 with MASK_SSE2.
4170 (__builtin_ia32_vec_ext_v2di): Likewise.
4171 (__builtin_ia32_vec_ext_v4si): Likewise.
4172 (__builtin_ia32_vec_ext_v8hi): Likewise.
4173 (__builtin_ia32_vec_ext_v16qi): Likewise.
4174 (__builtin_ia32_vec_set_v8hi): Likewise.
4175
4176 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
4177
4178 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
4179
4180 2007-05-25 Richard Sandiford <richard@codesourcery.com>
4181
4182 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
4183 (arm_is_longcall_p): Rename to...
4184 (arm_is_long_call_p): ...this. Take a single tree argument and
4185 return a bool.
4186 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
4187 (CUMULATIVE_ARGS): Remove call_cookie.
4188 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
4189 (ENCODED_LONG_CALL_ATTR_P): Delete.
4190 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
4191 LONG_CALL_FLAG_CHAR cases.
4192 (ARM_DECLARE_FUNCTION_SIZE): Delete.
4193 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
4194 ARM_DECLARE_FUNCTION_SIZE.
4195 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
4196 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
4197 (arm_encode_call_attribute, current_file_function_operand): Delete.
4198 (arm_function_in_section_p): New function.
4199 (arm_is_longcall_p): Rename to...
4200 (arm_is_long_call_p): ...this. Take the target function as a single
4201 argument and return a bool. Do not rely on call cookies. Check
4202 whether the target symbol is in the same section as the current
4203 function, not just the same compilation unit.
4204 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
4205 (arm_encode_section_info): Don't encode a call type.
4206 * config/arm/arm.md (call, call_value): Update calls to
4207 arm_is_long(_)call_p. Simplify logic.
4208 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
4209 Update calls to arm_is_long(_)call_p.
4210
4211 2007-05-25 Richard Guenther <rguenther@suse.de>
4212
4213 PR tree-optimization/31982
4214 * tree-ssa-forwprop.c
4215 (forward_propagate_addr_into_variable_array_index): Handle arrays
4216 with element size one.
4217
4218 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
4219
4220 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
4221 (umulsi3_highpart): Likewise.
4222
4223 2007-05-24 Ian Lance Taylor <iant@google.com>
4224
4225 PR rtl-optimization/32069
4226 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
4227 is NULL.
4228
4229 2007-05-24 Ollie Wild <aaw@google.com>
4230
4231 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
4232 description.
4233
4234 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
4235
4236 * postreload-gcse.c (reg_changed_after_insn_p): New function.
4237 (oprs_unchanged_p): Use it to check all registers in a REG.
4238 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
4239 (reg_set_between_after_reload_p): Delete.
4240 (reg_used_between_after_reload_p): Likewise.
4241 (reg_set_or_used_since_bb_start): Likewise.
4242 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
4243 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
4244 Use reg_set_between_p instead of reg_set_between_after_reload_p.
4245 * rtlanal.c (reg_set_p): Check whether REG overlaps
4246 regs_invalidated_by_call, rather than just checking the
4247 membership of REGNO (REG).
4248
4249 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4250
4251 * doc/passes.texi: Document predictive commoning.
4252 * doc/invoke.texi (-fpredictive-commoning): Document.
4253 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
4254 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
4255 adding indices to the generated name.
4256 (schedule_sm): Pass 0 to get_lsm_tmp_name.
4257 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
4258 * tree-pretty-print.c (op_symbol_1): Renamed to ...
4259 (op_symbol_code): ... and exported.
4260 (dump_omp_clause, op_symbol): Use op_symbol_code
4261 instead of op_symbol_1.
4262 * tree-pass.h (pass_predcom): Declare.
4263 * timevar.def (TV_PREDCOM): New timevar.
4264 * tree-ssa-loop.c (run_tree_predictive_commoning,
4265 gate_tree_predictive_commoning, pass_predcom): New.
4266 * tree-data-ref.c (find_data_references_in_loop): Find the
4267 references in dominance order.
4268 (canonicalize_base_object_address): Ensure that the result has
4269 pointer type.
4270 (dr_analyze_innermost): Export.
4271 (create_data_ref): Code to fail for references with invariant
4272 address moved ...
4273 (find_data_references_in_stmt): ... here.
4274 * tree-data-ref.h (dr_analyze_innermost): Declare.
4275 * tree-affine.c: Include tree-gimple.h and hashtab.h.
4276 (aff_combination_find_elt, name_expansion_hash,
4277 name_expansion_eq, tree_to_aff_combination_expand,
4278 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
4279 New functions.
4280 * tree-affine.h (aff_combination_constant_multiple_p,
4281 tree_to_aff_combination_expand): Declare.
4282 * tree-predcom.c: New file.
4283 * common.opt (fpredictive-commoning): New option.
4284 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
4285 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
4286 * Makefile.in (tree-predcom.o): Add.
4287 (tree-affine.o): Add TREE_GIMPLE_H dependency.
4288 * passes.c (init_optimization_passes): Add dceloop after
4289 copy propagation in loop optimizer. Add predictive commoning
4290 to loop optimizer passes.
4291
4292 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4293
4294 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
4295 default hook.
4296
4297 2007-05-24 Jan Hubicka <jh@suse.cz>
4298
4299 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
4300 statistics.
4301 (genheader): Include statistics.h.
4302
4303 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
4304 notes are gone.
4305 * print-rtl.c (flag_dump_unnumbered): Update comments.
4306 (print_rtl): Fix my previous change.
4307 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
4308 specific data.
4309
4310 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4311
4312 PR middle-end/32018
4313 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
4314 set_loop_copy.
4315 (thread_through_all_blocks): Call initialize_original_copy_tables
4316 and free_original_copy_tables.
4317 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
4318 Use set_loop_copy.
4319 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
4320 * cfghooks.c (duplicate_block): Use get_loop_copy.
4321 * cfg.c: Include cfgloop.h.
4322 (loop_copy): New hash table.
4323 (initialize_original_copy_tables): Initialize loop_copy table.
4324 (free_original_copy_tables): Free loop_copy table.
4325 (copy_original_table_clear, copy_original_table_set,
4326 set_loop_copy, get_loop_copy): New functions.
4327 (set_bb_original, set_bb_copy): Use copy_original_table_set.
4328 * cfgloop.h (struct loop): Remove copy field.
4329 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
4330 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
4331
4332 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4333
4334 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
4335 -msse/-msse2/-msse3.
4336
4337 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4338
4339 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
4340 __builtin_ia32_vec_set_v2di with MASK_64BIT.
4341
4342 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
4343
4344 PR target/27067
4345 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
4346 * targhooks.h (default_mangle_decl_assembler_name): Declare
4347 default hook.
4348 * targhooks.c (default_mangle_decl_assembler_name): Define
4349 default hook.
4350 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
4351 default hook.
4352 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
4353 * langhooks.c (lhd_set_decl_assembler_name): Call
4354 targetm.mangle_decl_assembler_name for names with global scope.
4355
4356 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
4357 default.
4358 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
4359 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
4360 Declare.
4361 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
4362 New. Factored out of i386_pe_encode_section_info.
4363 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
4364 Move check for prior decoration of stdcall
4365 symbols to i386_pe_encode_section_info.
4366 (i386_pe_encode_section_info): Adjust call to
4367 gen_stdcall_or_fastcall_suffix. Use
4368 i386_pe_maybe_mangle_decl_assembler_name, if needed.
4369 (i386_pe_mangle_decl_assembler_name): New. Wrap
4370 i386_pe_maybe_mangle_decl_assembler_name.
4371
4372 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
4373
4374 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
4375 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
4376 * langhooks.c (get_signed_or_unsigned_type): Don't check for
4377 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
4378 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
4379 TYPE_UNSIGNED.
4380
4381 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
4382 Nigel Stephens <nigel@mips.com>
4383 Richard Sandiford <richard@codesourcery.com>
4384
4385 Fix up MIPS16 hard float and add support for complex.
4386
4387 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
4388 (TARGET_SOFT_FLOAT_ABI): New.
4389 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
4390 __mips_soft_float to reflect the ABI in use, not whether the
4391 FPU is directly accessible (e.g., in MIPS16 mode).
4392 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
4393 (UNITS_PER_FPVALUE): Likewise.
4394
4395 * config/mips/mips.c (mips_expand_call): Remove redundant
4396 TARGET_MIPS16 check.
4397 (mips_arg_regno): New.
4398 (function_arg_advance): When setting bits in cum->fp_code for
4399 MIPS16, don't subtract 1 from cum->arg_number, since it is now
4400 zero-based.
4401 (function_arg): Use mips_arg_regno.
4402 (mips_return_mode_in_fpr_p): New.
4403 (mips16_call_stub_mode_suffix): New.
4404 (mips16_cfun_returns_in_fpr_p): New.
4405 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
4406 (mips_output_function_prologue): Test mips16_hard_float, not
4407 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
4408 (mips_expand_epilogue): Call MIPS16 helper routines to copy
4409 return value into a floating-point register.
4410 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
4411 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
4412 (mips16_fp_args): Handle MIPS32r2 ISA which supports
4413 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
4414 word of double arguments from or to the high bits of 64-bit
4415 floating point registers.
4416 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
4417 (mips16_fpret_double): New helper function.
4418 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
4419 support for complex modes. Fill in DECL_RESULT for stubdecl.
4420 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
4421
4422 * config/mips/mips16.S
4423 (RET, ARG1, ARG2): New.
4424 (MERGE_GPRf, MERGE_GPRt): New.
4425 (DELAYt, DELAYf): New.
4426 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
4427 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
4428 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
4429 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
4430 (SFOP): Renamed to...
4431 (OPSF3): This, and macro-ified. Updated all uses.
4432 (SFOP2): Renamed to...
4433 (OPSF2): This, and macro-ified. Updated all uses.
4434 (SFCMP): Renamed to...
4435 (CMPSF): This, and macro-ified. Updated all uses.
4436 (SFREVCMP): Renamed to...
4437 (REVCMPSF): This, and macro-ified. Updated all uses.
4438 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
4439 (LDDBL1, LDDBL2, RETDBL): Deleted.
4440 (DFOP): Renamed to...
4441 (OPDF3): This, and macro-ified. Updated all uses.
4442 (DFOP2): Renamed to...
4443 (OPDF2): This, and macro-ified. Updated all uses.
4444 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
4445 (DFCMP): Renamed to...
4446 (CMPDF): This, and macro-ified. Updated all uses.
4447 (DFREVCMP): Renamed to...
4448 (REVCMPDF): This, and macro-ified. Updated all uses.
4449 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
4450 (RET_FUNCTION): New.
4451 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
4452 (__mips16_ret_sc, __mips16_ret_dc): New.
4453 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
4454 STUB_ARGS_6, STUB_ARGS_10): New.
4455 (CALL_STUB_NO_RET): New.
4456 (__mips16_call_stub_1): Macro-ified.
4457 (__mips16_call_stub_5): Macro-ified.
4458 (__mips16_call_stub_2): Macro-ified.
4459 (__mips16_call_stub_6): Macro-ified.
4460 (__mips16_call_stub_9): Macro-ified.
4461 (__mips16_call_stub_10): Macro-ified.
4462 (CALL_STUB_RET): New.
4463 (__mips16_call_stub_sf_0): Macro-ified.
4464 (__mips16_call_stub_sf_1): Macro-ified.
4465 (__mips16_call_stub_sf_5): Macro-ified.
4466 (__mips16_call_stub_sf_2): Macro-ified.
4467 (__mips16_call_stub_sf_6): Macro-ified.
4468 (__mips16_call_stub_sf_9): Macro-ified.
4469 (__mips16_call_stub_sf_10): Macro-ified.
4470 (__mips16_call_stub_df_0): Macro-ified.
4471 (__mips16_call_stub_df_1): Macro-ified.
4472 (__mips16_call_stub_df_5): Macro-ified.
4473 (__mips16_call_stub_df_2): Macro-ified.
4474 (__mips16_call_stub_df_6): Macro-ified.
4475 (__mips16_call_stub_df_9): Macro-ified.
4476 (__mips16_call_stub_df_10): Macro-ified.
4477 (__mips16_call_stub_sc_0): New.
4478 (__mips16_call_stub_sc_1): New.
4479 (__mips16_call_stub_sc_5): New.
4480 (__mips16_call_stub_sc_2): New.
4481 (__mips16_call_stub_sc_6): New.
4482 (__mips16_call_stub_sc_9): New.
4483 (__mips16_call_stub_sc_10): New.
4484 (__mips16_call_stub_dc_0): New.
4485 (__mips16_call_stub_dc_1): New.
4486 (__mips16_call_stub_dc_5): New.
4487 (__mips16_call_stub_dc_2): New.
4488 (__mips16_call_stub_dc_6): New.
4489 (__mips16_call_stub_dc_9): New.
4490 (__mips16_call_stub_dc_10): New.
4491
4492 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
4493 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
4494 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
4495
4496 2007-05-23 Ian Lance Taylor <iant@google.com>
4497
4498 * doc/invoke.texi (Invoking GCC): Document that the order of the
4499 -l option matters.
4500
4501 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
4502
4503 PR target/30987
4504 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
4505 * config/score/predicate.md (const_pow2, const_npow2): Remove.
4506 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
4507 undef.
4508
4509 PR target/30474
4510 * config/score/score.c (score_print_operand): Make sure that only
4511 lower bits are used.
4512
4513 2007-05-22 Ian Lance Taylor <iant@google.com>
4514
4515 * tree-vrp.c (avoid_overflow_infinity): New static function,
4516 broken out of set_value_range_to_value.
4517 (set_value_range_to_value): Call avoid_overflow_infinity.
4518 (extract_range_from_assert): Likewise.
4519
4520 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
4521
4522 PR middle-end/31095
4523 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
4524 change the type before looking for a COMPOUND_EXPR.
4525
4526 2007-05-22 Ian Lance Taylor <iant@google.com>
4527
4528 * lower-subreg.c (decompose_multiword_subregs): If we change an
4529 insn, call remove_retval_note on it.
4530
4531 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4532
4533 * regs.h (end_hard_regno): New function.
4534 (END_HARD_REGNO, END_REGNO): New macros.
4535 (add_to_hard_reg_set): New function.
4536 (remove_from_hard_reg_set): Likewise.
4537 (in_hard_reg_set_p): Likewise.
4538 (overlaps_hard_reg_set_p): Likewise.
4539 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
4540 (note_btr_set): Use END_HARD_REGNO.
4541 * caller-save.c (setup_save_areas): Use end_hard_regno.
4542 (mark_set_regs): Use END_HARD_REGNO.
4543 (add_stored_regs): Use end_hard_regno.
4544 (mark_referenced_regs): Use add_to_hard_reg_set.
4545 * combine.c (update_table_tick): Use END_REGNO.
4546 (record_value_for_reg): Likewise.
4547 (record_dead_and_set_regs): Likewise.
4548 (get_last_value_validate): Likewise.
4549 (use_crosses_set_p): Likewise.
4550 (reg_dead_at_p_1): Likewise.
4551 (reg_dead_at_p): Likewise.
4552 (mark_used_regs_combine): Use add_to_hard_reg_set.
4553 (move_deaths): Use END_HARD_REGNO.
4554 (reg_bitfield_target_p): Use end_hard_regno.
4555 (distribute_notes): Use END_HARD_REGNO.
4556 * cse.c (mention_regs): Use END_REGNO.
4557 (insert): Use add_to_hard_reg_set.
4558 (invalidate): Use END_HARD_REGNO.
4559 (invalidate_for_call): Likewise.
4560 (exp_equiv_p): Use END_REGNO.
4561 (cse_insn): Likewise.
4562 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
4563 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
4564 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
4565 * function.c (keep_stack_depressed): Use end_hard_regno.
4566 * global.c (global_alloc): Use end_hard_regno.
4567 (global_conflicts): Use add_to_hard_reg_set instead of
4568 mark_reg_live_nc.
4569 (find_reg): Likewise.
4570 (mark_reg_store): Likewise.
4571 (mark_reg_conflicts): Likewise.
4572 (mark_reg_death): Use remove_from_hard_reg_set.
4573 (mark_reg_live_nc): Delete.
4574 (set_preference): Use end_hard_regno.
4575 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
4576 remove_from_hard_reg_set.
4577 (post_mark_life): Use add_to_hard_reg_set.
4578 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
4579 (reg_becomes_live): Use add_to_hard_reg_set.
4580 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
4581 (peep2_find_free_register): Use add_to_hard_reg_set.
4582 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
4583 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
4584 * regrename.c (note_sets): Use add_to_hard_reg_set.
4585 (clear_dead_regs): Use remove_from_hard_reg_set.
4586 (regrename_optimize): Use add_to_hard_reg_set.
4587 (find_oldest_value_reg): Use in_hard_reg_set_p.
4588 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
4589 (hard_reg_set_here_p): Use end_hard_regno.
4590 (decompose): Likewise.
4591 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
4592 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
4593 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
4594 (mark_home_live): Use end_hard_regno.
4595 (spill_hard_reg): Likewise.
4596 (clear_reload_reg_in_use): Likewise.
4597 * reorg.c (delete_prior_computation): Use END_REGNO.
4598 * resource.c (update_live_status): Use END_HARD_REGNO.
4599 (mark_referenced_resources): Use add_to_hard_reg_set.
4600 (mark_set_resources): Likewise.
4601 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
4602 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
4603 (reg_overlap_mentioned_p): Likewise.
4604 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
4605 (covers_regno_no_parallel_p): Use END_REGNO.
4606 (find_regno_note): Likewise.
4607 (find_reg_fusage): Use END_HARD_REGNO.
4608 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
4609 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
4610
4611 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4612
4613 * mode-switching.c (reg_dies): Change type of second argument to
4614 "HARD_REG_SET *".
4615 (optimize_mode_switching): Update accordingly.
4616
4617 2007-05-22 Richard Sandiford <richard@codesourcery.com>
4618
4619 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
4620 in favor of...
4621 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
4622 (hard_reg_set_empty_p): ...these new functions.
4623 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
4624 GO_IF_HARD_REG_SUBSET.
4625 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
4626 instead of GO_IF_HARD_REG_EQUAL.
4627 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
4628 instead of GO_IF_HARD_REG_EQUAL.
4629 * global.c (find_reg): Use hard_reg_set_empty_p instead of
4630 GO_IF_HARD_REG_SUBSET.
4631 (modify_reg_pav): Use hard_reg_set_empty_p instead of
4632 GO_IF_HARD_REG_EQUAL.
4633 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
4634 of GO_IF_HARD_REG_SUBSET.
4635 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
4636 instead of GO_IF_HARD_REG_EQUAL.
4637 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
4638 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
4639 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
4640 of GO_IF_HARD_REG_SUBSET,
4641 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
4642 GO_IF_HARD_REG_SUBSET.
4643 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
4644 instead of GO_IF_HARD_REG_EQUAL.
4645 * config/sh/sh.c (push_regs, calc_live_regs): Use
4646 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
4647 (hard_regs_intersect_p): Delete.
4648
4649 2007-05-22 Janis Johnson <janis187@us.ibm.com>
4650
4651 * doc/sourcebuild.texi (Test Directives) Add dg-message.
4652
4653 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
4654 Richard Henderson <rth@redhat.com>
4655
4656 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
4657 extra_headers.
4658 (x86_64-*-*): Likewise.
4659
4660 * i386/i386-modes.def (V2QI): New.
4661
4662 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
4663 SSE4A.
4664 (override_options): Support SSE4.1.
4665 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
4666 (IX86_BUILTIN_BLENDPS): Likewise.
4667 (IX86_BUILTIN_BLENDVPD): Likewise.
4668 (IX86_BUILTIN_BLENDVPS): Likewise.
4669 (IX86_BUILTIN_PBLENDVB128): Likewise.
4670 (IX86_BUILTIN_PBLENDW128): Likewise.
4671 (IX86_BUILTIN_DPPD): Likewise.
4672 (IX86_BUILTIN_DPPS): Likewise.
4673 (IX86_BUILTIN_INSERTPS128): Likewise.
4674 (IX86_BUILTIN_MOVNTDQA): Likewise.
4675 (IX86_BUILTIN_MPSADBW128): Likewise.
4676 (IX86_BUILTIN_PACKUSDW128): Likewise.
4677 (IX86_BUILTIN_PCMPEQQ): Likewise.
4678 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
4679 (IX86_BUILTIN_PMAXSB128): Likewise.
4680 (IX86_BUILTIN_PMAXSD128): Likewise.
4681 (IX86_BUILTIN_PMAXUD128): Likewise.
4682 (IX86_BUILTIN_PMAXUW128): Likewise.
4683 (IX86_BUILTIN_PMINSB128): Likewise.
4684 (IX86_BUILTIN_PMINSD128): Likewise.
4685 (IX86_BUILTIN_PMINUD128): Likewise.
4686 (IX86_BUILTIN_PMINUW128): Likewise.
4687 (IX86_BUILTIN_PMOVSXBW128): Likewise.
4688 (IX86_BUILTIN_PMOVSXBD128): Likewise.
4689 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
4690 (IX86_BUILTIN_PMOVSXWD128): Likewise.
4691 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
4692 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
4693 (IX86_BUILTIN_PMOVZXBW128): Likewise.
4694 (IX86_BUILTIN_PMOVZXBD128): Likewise.
4695 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
4696 (IX86_BUILTIN_PMOVZXWD128): Likewise.
4697 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
4698 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
4699 (IX86_BUILTIN_PMULDQ128): Likewise.
4700 (IX86_BUILTIN_PMULLD128): Likewise.
4701 (IX86_BUILTIN_ROUNDPD): Likewise.
4702 (IX86_BUILTIN_ROUNDPS): Likewise.
4703 (IX86_BUILTIN_ROUNDSD): Likewise.
4704 (IX86_BUILTIN_ROUNDSS): Likewise.
4705 (IX86_BUILTIN_PTESTZ): Likewise.
4706 (IX86_BUILTIN_PTESTC): Likewise.
4707 (IX86_BUILTIN_PTESTNZC): Likewise.
4708 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
4709 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
4710 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
4711 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
4712 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
4713 (bdesc_ptest): New.
4714 (bdesc_sse_3arg): Likewise.
4715 (bdesc_2arg): Likewise.
4716 (bdesc_1arg): Likewise.
4717 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
4718 with 3 args.
4719 (ix86_expand_sse_4_operands_builtin): New.
4720 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
4721 smaller than 8 bits as the 2nd arg.
4722 (ix86_expand_sse_ptest): New.
4723 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
4724 (ix86_expand_vector_set): Support SSE4.1.
4725 (ix86_expand_vector_extract): Likewise.
4726
4727 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
4728 __SSE4_1__ for -msse4.1.
4729
4730 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
4731 (UNSPEC_INSERTPS): Likewise.
4732 (UNSPEC_DP): Likewise.
4733 (UNSPEC_MOVNTDQA): Likewise.
4734 (UNSPEC_MPSADBW): Likewise.
4735 (UNSPEC_PHMINPOSUW): Likewise.
4736 (UNSPEC_PTEST): Likewise.
4737 (UNSPEC_ROUNDP): Likewise.
4738 (UNSPEC_ROUNDS): Likewise.
4739
4740 * config/i386/i386.opt (msse4.1): New for SSE4.1.
4741
4742 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
4743 (const_pow2_1_to_32768_operand): Likewise.
4744
4745 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
4746 file.
4747
4748 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
4749 SSE4.1.
4750 (sse4_1_insertps): Likewise.
4751 (*sse4_1_extractps): Likewise.
4752 (sse4_1_ptest): Likewise.
4753 (sse4_1_mulv2siv2di3): Likewise.
4754 (*sse4_1_mulv4si3): Likewise.
4755 (*sse4_1_smax<mode>3): Likewise.
4756 (*sse4_1_umax<mode>3): Likewise.
4757 (*sse4_1_smin<mode>3): Likewise.
4758 (*sse4_1_umin<mode>3): Likewise.
4759 (sse4_1_eqv2di3): Likewise.
4760 (*sse4_1_pinsrb): Likewise.
4761 (*sse4_1_pinsrd): Likewise.
4762 (*sse4_1_pinsrq): Likewise.
4763 (*sse4_1_pextrb): Likewise.
4764 (*sse4_1_pextrb_memory): Likewise.
4765 (*sse4_1_pextrw_memory): Likewise.
4766 (*sse4_1_pextrq): Likewise.
4767 (sse4_1_blendpd): Likewise.
4768 (sse4_1_blendps): Likewise.
4769 (sse4_1_blendvpd): Likewise.
4770 (sse4_1_blendvps): Likewise.
4771 (sse4_1_dppd): Likewise.
4772 (sse4_1_dpps): Likewise.
4773 (sse4_1_movntdqa): Likewise.
4774 (sse4_1_mpsadbw): Likewise.
4775 (sse4_1_packusdw): Likewise.
4776 (sse4_1_pblendvb): Likewise.
4777 (sse4_1_pblendw): Likewise.
4778 (sse4_1_phminposuw): Likewise.
4779 (sse4_1_extendv8qiv8hi2): Likewise.
4780 (*sse4_1_extendv8qiv8hi2): Likewise.
4781 (sse4_1_extendv4qiv4si2): Likewise.
4782 (*sse4_1_extendv4qiv4si2): Likewise.
4783 (sse4_1_extendv2qiv2di2): Likewise.
4784 (*sse4_1_extendv2qiv2di2): Likewise.
4785 (sse4_1_extendv4hiv4si2): Likewise.
4786 (*sse4_1_extendv4hiv4si2): Likewise.
4787 (sse4_1_extendv2hiv2di2): Likewise.
4788 (*sse4_1_extendv2hiv2di2): Likewise.
4789 (sse4_1_extendv2siv2di2): Likewise.
4790 (*sse4_1_extendv2siv2di2): Likewise.
4791 (sse4_1_zero_extendv8qiv8hi2): Likewise.
4792 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
4793 (sse4_1_zero_extendv4qiv4si2): Likewise.
4794 (*sse4_1_zero_extendv4qiv4si2): Likewise.
4795 (sse4_1_zero_extendv2qiv2di2): Likewise.
4796 (*sse4_1_zero_extendv2qiv2di2): Likewise.
4797 (sse4_1_zero_extendv4hiv4si2): Likewise.
4798 (*sse4_1_zero_extendv4hiv4si2): Likewise.
4799 (sse4_1_zero_extendv2hiv2di2): Likewise.
4800 (*sse4_1_zero_extendv2hiv2di2): Likewise.
4801 (sse4_1_zero_extendv2siv2di2): Likewise.
4802 (*sse4_1_zero_extendv2siv2di2): Likewise.
4803 (sse4_1_roundpd): Likewise.
4804 (sse4_1_roundps): Likewise.
4805 (sse4_1_roundsd): Likewise.
4806 (sse4_1_roundss): Likewise.
4807 (mulv4si3): Don't expand for SSE4.1.
4808 (smax<mode>3): Likewise.
4809 (umaxv4si3): Likewise.
4810 (uminv16qi3): Likewise.
4811 (umin<mode>3): Likewise.
4812 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
4813
4814 * doc/extend.texi: Document SSE4.1 built-in functions.
4815
4816 * doc/invoke.texi: Document -msse4.1.
4817
4818 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
4819
4820 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
4821 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
4822 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
4823 (ASM_SPEC): Add asm_pcrel_spec.
4824 (EXTRA_SPECS): Add asm_pcrel_spec.
4825
4826 2007-05-21 David Daney <ddaney@avtrex.com>
4827
4828 * doc/install.texi (Building a cross compiler): Add requirements
4829 for Java cross compiler.
4830
4831 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
4832
4833 PR middle-end/31995
4834 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
4835 Add loopno argument. Use evolution_function_is_invariant_rec_p
4836 instead of evolution_function_is_constant_p.
4837 Update calls to evolution_function_is_affine_multivariate_p.
4838 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
4839 Add loopno argument.
4840 * tree-scalar-evolution.c (gather_chrec_stats): Call
4841 evolution_function_is_affine_multivariate_p with a loop
4842 number of 0.
4843 * tree-data-ref.c (analyze_miv_subscript): Likewise.
4844 (analyze_overlapping_iterations): Likewise.
4845 (access_functions_are_affine_or_constant_p): Likewise.
4846 (build_classic_dist_vector_1): If the access functions
4847 are equal, don't do anything.
4848
4849 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
4850 Paolo Carlini <pcarlini@suse.de>
4851 Uros Bizjak <ubizjak@gmail.com>
4852
4853 * c-cppbuiltin.c (c_cpp_builtins): Define
4854 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
4855 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
4856 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
4857 * doc/cpp.texi ([Standard Predefined Macros]): Document.
4858
4859 2007-05-21 Mike Stump <mrs@apple.com>
4860
4861 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
4862 handling as well.
4863 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
4864
4865 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
4866
4867 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
4868 implementation if __OPTIMIZE__ is not defined.
4869 (_mm_alignr_pi8): Ditto.
4870 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
4871 (_mm_inserti_si64): Ditto.
4872 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
4873 (_mm_slli_epi16): Ditto.
4874 (_mm_slli_epi32): Ditto.
4875 (_mm_slli_epi64): Ditto.
4876 (_mm_srai_epi16): Ditto.
4877 (_mm_srai_epi32): Ditto.
4878 (_mm_srli_si128): Ditto.
4879 (_mm_slli_si128): Ditto.
4880 (_mm_srli_epi16): Ditto.
4881 (_mm_srli_epi32): Ditto.
4882 (_mm_srli_epi64): Ditto.
4883 (_mm_extract_epi16): Ditto.
4884 (_mm_insert_epi16): Ditto.
4885 (_mm_shufflehi_epi16): Ditto.
4886 (_mm_shufflelo_epi16): Ditto.
4887 (_mm_shuffle_epi32): Ditto.
4888 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
4889 (_m_pextrw): Ditto.
4890 (_mm_insert_pi16): Ditto.
4891 (_m_pinsrw): Ditto.
4892 (_mm_shuffle_pi16): Ditto.
4893 (_m_pshufw): Ditto.
4894 (_mm_shufle_ps): Ditto.
4895 (_mm_prefetch): Ditto.
4896
4897 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
4898
4899 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
4900 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
4901 * real.c (encode_i370_single, decode_i370_single,
4902 encode_i370_double, decode_i370_double): Functions removed.
4903 (i370_single_format, i370_double_format): Initializations removed.
4904 (real_maxval, round_for_format, exact_real_truncate, significand_size):
4905 Consider the log2_b field to always be one.
4906 (ieee_single_format, mips_single_format, coldfire_single_format,
4907 ieee_double_format, mips_double_format, coldfire_double_format,
4908 ieee_extended_motorola_format, ieee_extended_intel_96_format,
4909 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
4910 ibm_extended_format, mips_extended_format, ieee_quad_format,
4911 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
4912 decimal_single_format, decimal_double_format, decimal_quad_format,
4913 c4x_single_format, c4x_extended_format, real_internal_format): Remove
4914 initialization of log2_b.
4915 * real.h (i370_single_format, i370_double_format): Declarations
4916 removed.
4917 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
4918 field to always be one.
4919
4920 2007-05-21 Andreas Schwab <schwab@suse.de>
4921
4922 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
4923 NOTE_INSN_BASIC_BLOCK_P.
4924 (process_for_unwind_directive): Likewise.
4925
4926 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
4927
4928 * builtins.c (expand_builtin_setjmp_setup): Update comment.
4929 * function.h (struct function): Move va_list_gpr_size,
4930 va_list_fpr_size, function_frequency to front of bitfields. Add
4931 calls_unwind_init.
4932 (current_function_calls_unwind_init): New.
4933 * except.c (expand_builtin_unwind_init): Set
4934 current_function_calls_unwind_init not
4935 current_function_has_nonlocal_label.
4936 * reload1.c (has_nonexceptional_receiver): New.
4937 (reload): Use it and current_function_calls_unwind_init to
4938 determine whether call-saved regs must be saved.
4939
4940 2007-05-20 Jan Hubicka <jh@suse.cz>
4941
4942 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
4943 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4944 * ddg.c (create_ddg): LIkewise.
4945 * final.c (final): Remove hunk moving line number notes around since
4946 they are no longer present at this stage.
4947 (final_scan_insn): Use NOTE_KIND instead of
4948 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4949 (output_asm_label): Likewise.
4950 * reorg.c (dbr_schedule): Likewise.
4951 * haifa-sched.c (unlink_other_notes): Likewise.
4952 * mode-switching.c (optimize_mode_switching): Likewise.
4953 * graph.c (start_bb): Likewise.
4954 * rtl.def (NOTE): Update description.
4955 * jump.c (squeeze_notes): Delete.
4956 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
4957 NOTE_INSN_BASIC_BLOCK_P when possible.
4958 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
4959 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
4960 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
4961 (dwarf2out_var_location): Likewise.
4962 * cfgbuild.c (make_edges): Likewise.
4963 (find_basic_blocks_1): Likewise.
4964 * function.c (reorder_blocks_1): Likewise.
4965 (epilogue_done): Likewise.
4966 (reposition_prologue_and_epilogue_notes): Likewise.
4967 * print-rtl.c (print_rtx): Likewise; drop code for printing
4968 line number notes.
4969 (print_rtl): Likewise.
4970 (print_rtl_single): Likewise.
4971 * gcse.c (insert_insn_start_bb): Likewise.
4972 * alias.c (init_alias_analysis): Likewise.
4973 * calls.c (fixup_tail_calls): Likewise.
4974 * except.c (sjlj_emit_function_enter): Likewise.
4975 * emit-rtl.c (add_insn_after): Likeiwse.
4976 (emit_label_before): Likewise.
4977 (emit_label_after): Likewise.
4978 (emit_note_before, emit_note_after, emit_note): Update
4979 parameter to be enum insn_note; do not deal with source
4980 files.
4981 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
4982 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
4983 when possible.
4984 (merge_blocks_move_successor_nojumps): Simplify now when
4985 we don't have BLOCK notes.
4986 (try_optimize_cfg): Likewise.
4987 * cfglayout.c (skip_insns_after_block): Likewise.
4988 (record_effective_endpoints): Likewise.
4989 (duplicate_insn_chain): Likewise.
4990 * varasm.c (output_constant_pool_1): Likewise.
4991 * sched-deps.c (sched_analyze): Likewise.
4992 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
4993 Exterminate.
4994 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
4995 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
4996 (SET_INSN_DELETED): Simplify.
4997 (NOTE_LINE_NUMBER): Exterminate.
4998 (NOTE_LINE_KIND): New.
4999 (NOTE_INSN_BASIC_BLOCK_P): Update.
5000 (enum insn_note): Simplify.
5001 (GET_NOTE_INSN_NAME) Simplify.
5002 (emit_note_before, emit_note_after, emit_note): Update prototype.
5003 (squeeze_notes): Remove.
5004 * sched-int.h (NOTE_NOT_BB_P): Update.
5005 * resource.c (mark_target_live_regs): Update.
5006 * sched-rgn.c (debug_dependencies): Update.
5007 * sched-vis.c (print_insn): Update.
5008 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
5009 * config/i386/i386.c (ix86_output_function_epilogue): Update.
5010 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
5011 (TARGET_ADJUST_UNROLL_MAX): Likewise.
5012 (split_branches): Update.
5013 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
5014 4.0.0.
5015 (sh_adjust_unroll_max): Exterminate.
5016 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
5017 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
5018 (m68hc11_reorg): Likewise.
5019 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
5020 (emit_predicate_relation_info): Update.
5021 (process_for_unwind_directive): Update.
5022 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
5023 (output_call): Update.
5024 * config/pa/pa.c (output_lbranch): Update.
5025 (output_millicode_call): Update.
5026 (output_call): Update.
5027 (pa_combine_instructions): Update.
5028 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
5029 * config/bfin/bfin.c (gen_one_bundle): Update.
5030 * cfgrtl.c (can_delete_note_p): Update.
5031 (delete_insn): Update.
5032 (rtl_merge_blocks): Update.
5033 (commit_one_edge_insertion): Update.
5034 (rtl_verify_flow_info): Update.
5035 * stmt.c (expand_case): Do not call squeeze_notes.
5036
5037 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5038
5039 PR middle-end/7651
5040 PR c++/11856
5041 PR c/12963
5042 PR c/23587
5043 PR other/29694
5044 * c.opt (Wtype-limits): New.
5045 * doc/invoke.texi (Wtype-limits): Document it.
5046 (Wextra): Enabled by -Wextra.
5047 * c-opts.c (c_common_post_options): Enabled by -Wextra.
5048 * c-common.c (shorten_compare): Warn with Wtype-limits.
5049
5050 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
5051
5052 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
5053 inlined function, not as a macro.
5054 (_mm_alignr_pi8): Ditto.
5055 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
5056 (_mm_inserti_si64): Ditto.
5057 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
5058 (_mm_extract_epi16): Ditto.
5059 (_mm_insert_epi16): Ditto.
5060 (_mm_shufflehi_epi16): Ditto.
5061 (_mm_shufflelo_epi16): Ditto.
5062 (_mm_shuffle_epi32): Ditto.
5063 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
5064 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
5065 all functions.
5066 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
5067 float constant.
5068 (_m_to_float): Use C89 compatible assignment.
5069
5070 2007-04-20 Martin Michlmayr <tbm@cyrius.com>
5071
5072 PR target/32007
5073 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
5074
5075 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5076
5077 PR middle-end/7651
5078 * doc/invoke.texi (Wreturn-type): Complete description.
5079 (Wextra): Delete item about return-type warning.
5080 * c-decl.c: Delete redundant Wextra warning.
5081
5082 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
5083
5084 PR target/31585
5085 * config/i386/pmmintrin.h: Do not include xmmintrin.h
5086 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
5087 inlined function, not as a macro.
5088 (_mm_prefetch): Ditto.
5089 (_m_pextrw): Ditto.
5090 (_mm_insert_pi16): Ditto.
5091 (_m_pinsrw): Ditto.
5092 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
5093 (_m_pshufw): Ditto. Add const to __N argument.
5094 (_mm_shufle_ps): Ditto. Add const to __mask argument.
5095 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
5096 (_mm_slli_epi32): Ditto.
5097 (_mm_srli_si128): Implement as always inlined function, not as a
5098 macro. Add __inline to function declaration.
5099 (_mm_slli_si128): Ditto.
5100
5101 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
5102
5103 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
5104 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
5105 New constants.
5106 (struct fenv): New structure.
5107 (FP_HANDLE_EXCEPTIONS): New define.
5108 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
5109 (_FP_DECL_EXP): New define.
5110 (FP_INIT_ROUNDMODE): New define.
5111 (FP_ROUNDMODE): New define.
5112
5113 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5114
5115 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
5116 (Wconversion): Update description.
5117 (Wconversion-sign): New.
5118 * c.opt (Wconversion-sign): New.
5119 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
5120 means disabled for C++. Otherwise, take the status of Wconversion.
5121 * c-common.c (conversion_warning): Warn with either Wconversion or
5122 Wconversion-sign.
5123 (warnings_for_convert_and_check): Conditions are already checked by
5124 conversion_warning.
5125 (convert_and_check): Don't check warnings if the conversion failed.
5126
5127 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
5128 Anatoly Sokolov <aesok@dol.ru>
5129
5130 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
5131 avr_epilogue_uses) : Add declaration.
5132 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
5133 * config/avr/constraints.md (R): New constraint.
5134 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
5135 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
5136 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
5137 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
5138 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
5139 call_prologue_saves, epilogue_restores, return_from_epilogue,
5140 return_from_main_epilogue, return_from_interrupt_epilogue,
5141 return_from_naked_epilogue, prologue, epilogue): New patterns.
5142 (jump): Handle symbol reference.
5143 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
5144 avr_output_function_prologue, avr_output_function_epilogue): Remove
5145 functions.
5146 (avr_init_machine_status, expand_prologue, expand_epilogue,
5147 avr_asm_function_end_prologue, avr_epilogue_uses,
5148 avr_asm_function_begin_epilogue): New functions.
5149 (prologue_size, epilogue_size, jump_tables_size): Remove global
5150 variables.
5151 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
5152 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
5153 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
5154 (avr_override_options): Initialise init_machine_status.
5155 (output_movhi): Handle all stack pointer loads.
5156 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
5157 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
5158 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
5159 (EPILOGUE_USES) Redefine.
5160 (machine_function) Declare.
5161
5162 2007-05-19 Richard Sandiford <richard@codesourcery.com>
5163
5164 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
5165 Use a single return statement.
5166
5167 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5168
5169 PR middle-end/30250
5170 * builtins.c (do_mpfr_lgamma_r): New.
5171 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
5172 * tree.h (CASE_FLT_FN_REENT): New.
5173
5174 2007-05-18 Geoffrey Keating <geoffk@apple.com>
5175
5176 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
5177 (output_die): Use 'unsigned long' with %x.
5178 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
5179 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
5180 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
5181
5182 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
5183
5184 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
5185
5186 PR target/31989
5187 PR target/31681
5188 PR target/31666
5189 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
5190 true if function has no argument.
5191
5192 2007-05-18 DJ Delorie <dj@redhat.com>
5193
5194 * config/mips/mips.c (mips_offset_within_alignment_p): New.
5195 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
5196
5197 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
5198
5199 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
5200 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
5201 count_trailing_zeros.
5202 (__i386__): Implement count_leading_zeros using __builtin_clz().
5203 Implement count_trailing_zeros usign __builtin_ctz().
5204
5205 2007-05-18 Richard Sandiford <richard@codesourcery.com>
5206
5207 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
5208
5209 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
5210
5211 PR middle-end/31344
5212 * expr.c (emit_move_change_mode): Change mode of push operands here.
5213
5214 2007-05-17 Ian Lance Taylor <iant@google.com>
5215
5216 PR tree-optimization/31953
5217 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
5218 Change all callers.
5219 (set_value_range_to_null): Call set_value_range_to_value.
5220 (extract_range_from_comparison): Likewise.
5221
5222 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5223
5224 * toplev.c (print_version): Output GMP/MPFR version info.
5225
5226 * builtins.c (CASE_MATHFN_REENT): New macro.
5227 (mathfn_built_in): Use it.
5228 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
5229 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
5230 BUILT_IN_LGAMMAL_R): New.
5231 * doc/extend.texi: Document new builtins.
5232
5233 PR middle-end/31796
5234 * builtins.c (do_mpfr_remquo): New.
5235 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
5236 (fold_builtin_3): Handle BUILT_IN_REMQUO.
5237
5238 PR middle-end/30251
5239 * builtins.c (fold_builtin_1): Handle y0, y1.
5240 (fold_builtin_2): Handle yn.
5241
5242 PR middle-end/30251
5243 * builtins.c (do_mpfr_bessel_n): New.
5244 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
5245 (fold_builtin_2): Handle BUILT_IN_JN.
5246
5247 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
5248
5249 PR target/31965
5250 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
5251 TYPE_PRECISION (intmax_type_node).
5252
5253 2007-05-17 Steve Ellcey <sje@cup.hp.com>
5254
5255 PR target/31850
5256 * reload.c (subst_reloads): Remove checking.
5257
5258 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5259
5260 PR rtl-optimization/31691
5261 * combine.c (simplify_set): Build a new src pattern instead of
5262 substituting its operands in the COMPARE case.
5263
5264 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5265
5266 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
5267 (execute_vrp): Preserve loops through jump threading.
5268 * tree-ssa-threadupdate.c (thread_single_edge,
5269 dbds_continue_enumeration_p, determine_bb_domination_status,
5270 thread_through_loop_header): New functions.
5271 (create_edge_and_update_destination_phis,
5272 create_edge_and_update_destination_phis): Set loops for the new blocks.
5273 (prune_undesirable_thread_requests): Removed.
5274 (redirect_edges): Do not pretend that redirect_edge_and_branch can
5275 create new blocks.
5276 (thread_block): Do not call prune_undesirable_thread_requests.
5277 Update loops.
5278 (mark_threaded_blocks): Select edges to thread here.
5279 (thread_through_all_blocks): Take may_peel_loop_headers argument.
5280 Thread edges through loop headers independently.
5281 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
5282 * tree-pass.h (TODO_mark_first_instance): New.
5283 (first_pass_instance): Declare.
5284 * cfghooks.c (duplicate_block): Put the block to the original loop
5285 if copy is not specified.
5286 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
5287 jump threading. Pass may_peel_loop_headers to
5288 thread_through_all_blocks according to first_pass_instance.
5289 * cfgloop.h (create_preheader): Declare.
5290 * tree-flow.h (thread_through_all_blocks): Declaration changed.
5291 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
5292 * passes.c (first_pass_instance): New variable.
5293 (next_pass_1): Set TODO_mark_first_instance.
5294 (execute_todo): Set first_pass_instance.
5295
5296 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
5297
5298 PR tree-optimization/24659
5299 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
5300 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
5301 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
5302 OTI_vec_pack_ufix_trunc.
5303 (vec_unpacks_float_hi_optab): Define new macro.
5304 (vec_unpacks_float_lo_optab): Ditto.
5305 (vec_unpacku_float_hi_optab): Ditto.
5306 (vec_unpacku_float_lo_optab): Ditto.
5307 (vec_pack_sfix_trunc_optab): Ditto.
5308 (vec_pack_ufix_trunc_optab): Ditto.
5309 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
5310 and vec_pack_[s|u]fix_trunc_optab using
5311 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
5312 * tree-vectorizer.c (supportable_widening_operation): Handle
5313 FLOAT_EXPR and CONVERT_EXPR. Update comment.
5314 (supportable_narrowing_operation): New function.
5315 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
5316 * tree-vect-transform.c (vectorizable_conversion): Handle
5317 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
5318 (vect_gen_widened_results_half): Move before vectorizable_conversion.
5319 (vectorizable_type_demotion): Call supportable_narrowing_operation()
5320 to check for target support.
5321 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
5322 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
5323 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
5324 for VEC_PACK_FIX_TRUNC_EXPR.
5325 (expand_binop): Special case mode of the result for
5326 vec_pack_[u|s]fix_trunc_optab.
5327 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
5328 vec_pack_[u|s]fix_trunc_optab.
5329
5330 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
5331 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
5332 * tree-pretty-print.c (dump_generic_node): Handle
5333 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
5334 VEC_PACK_FIX_TRUNC_EXPR.
5335 (op_prio): Ditto.
5336 * expr.c (expand_expr_real_1): Ditto.
5337 * tree-inline.c (estimate_num_insns_1): Ditto.
5338 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
5339
5340 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
5341 (vec_unpacks_float_lo_v8hi): Ditto.
5342 (vec_unpacku_float_hi_v8hi): Ditto.
5343 (vec_unpacku_float_lo_v8hi): Ditto.
5344 (vec_unpacks_float_hi_v4si): Ditto.
5345 (vec_unpacks_float_lo_v4si): Ditto.
5346 (vec_pack_sfix_trunc_v2df): Ditto.
5347
5348 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
5349 Document.
5350 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
5351 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
5352 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
5353 [vec_pack_ufix_trunc]: Ditto.
5354 [vec_unpacks_float_hi]: Ditto.
5355 [vec_unpacks_float_lo]: Ditto.
5356 [vec_unpacku_float_hi]: Ditto.
5357 [vec_unpacku_float_lo]: Ditto.
5358
5359 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
5360
5361 * soft-fp/README: Update for new files.
5362 * soft-fp/floattisf.c: New file.
5363 * soft-fp/floattidf.c: New file.
5364 * soft-fp/floattitf.c: New file.
5365 * soft-fp/floatuntisf.c: New file.
5366 * soft-fp/floatuntidf.c: New file.
5367 * soft-fp/floatuntitf.c: New file.
5368 * soft-fp/fixsfti.c: New file.
5369 * soft-fp/fixdfti.c: New file.
5370 * soft-fp/fixtfti.c: New file.
5371 * soft-fp/fixunssfti.c: New file.
5372 * soft-fp/fixunsdfti.c: New file.
5373 * soft-fp/fixunstfti.c: New file.
5374 * soft-fp/extendxftf.c: New file.
5375 * soft-fp/trunctfxf.c: New file.
5376
5377 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
5378 (__trunctfxf2): Ditto.
5379
5380 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
5381 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
5382 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
5383 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
5384 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
5385 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
5386
5387 * config/i386/t-fprules-softfp64: New file.
5388 * config/i386/sfp-machine.h: New file.
5389 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
5390 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
5391 and soft-fp/t-softfp to tmake_file.
5392 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
5393 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
5394
5395 * config/i386/t-linux64 (softfp_wrap_start): New.
5396 (softfp_wrap_end): New.
5397 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
5398 supported for TARGET_64BIT.
5399
5400 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
5401
5402 * c-common.c (c_common_signed_or_unsigned_type): Emulate
5403 c_common_unsigned_type behavior.
5404
5405 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
5406
5407 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
5408 calls as pure.
5409
5410 2007-05-16 Eric Christopher <echristo@apple.com>
5411
5412 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
5413 saving after stack push. Set sp_offset whenever we push.
5414 (rs6000_emit_epilogue): Move altivec register restore before
5415 stack push.
5416
5417 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5418
5419 * configure.ac: Allow sysroots to be relocated under $prefix as
5420 well as $exec_prefix.
5421 * configure: Regenerate.
5422
5423 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5424
5425 Revert:
5426
5427 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5428
5429 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5430 (gcc_tooldir): Likewise.
5431 * configure: Regenerate.
5432 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5433 old configure.ac gcc_tooldir setting.
5434 (prefix_to_exec_prefix): New variable.
5435 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5436 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5437
5438 2007-05-14 Janis Johnson <janis187@us.ibm.com>
5439
5440 * c-typeck.c (build_binary_op): Return early for error.
5441
5442 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5443
5444 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
5445 struct nb_iter_bound.
5446 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
5447 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
5448 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
5449 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
5450 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
5451 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
5452 (del_scev_info): Use ggc_free.
5453 (scev_initialize): Allocate scalar_evolution_info in gc memory.
5454 * loop-init.c: Include ggc.h.
5455 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
5456 (loop_optimizer_finalize): Use ggc_free.
5457 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
5458 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
5459 pass_iv_optimize): Add TODO_ggc_collect.
5460 * function.h (struct function): Remove skip marker from
5461 x_current_loops.
5462 * cfgloop.c: Include ggc.h.
5463 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
5464 memory.
5465 (establish_preds): Vector superloops is gc allocated.
5466 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
5467 loop->exits list.
5468 (flow_loops_find): Vector larray is gc allocated.
5469 (loop_exit_free): Use ggc_free.
5470 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
5471 that head of exits list is now not a part of struct loop.
5472 (record_loop_exits): Allocate exits table in gc memory.
5473 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
5474 that head of exits list is now not a part of struct loop.
5475 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
5476 struct loop_exit): Add GTY marker.
5477 (struct loop): Add GTY marker. Make superloops vector gc allocated.
5478 Add skip marker to aux field. Make head of exits list a separate
5479 object.
5480 (struct loops): Add GTY marker. Make larray vector gc allocated.
5481 Add param marker to exits table.
5482 (get_loops): Type changed.
5483 * Makefile.in (tree-scalar-evolution.o): Add
5484 gt-tree-scalar-evolution.h dependency.
5485 (cfgloop.o, loop-init.o): Add ggc.h dependency.
5486 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
5487 * basic-block.h (struct basic_block_def): Remove skip marker from
5488 loop_father field.
5489
5490 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
5491
5492 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
5493 of 0 in the call to expand_expr().
5494 (expand_builtin_mathfn_3): Ditto.
5495 (expand_builtin_interclass_mathfn): Ditto.
5496 (expand_builtin_cexpi): Ditto.
5497 (expand_builtin_int_roundingfn): Ditto.
5498 (expand_builtin_int_roundingfn_2): Ditto.
5499 (expand_builtin_pow): Ditto.
5500 (expand_builtin_powi): Ditto.
5501 (expand_builtin_bswap): Ditto.
5502 (expand_builtin_unop): Ditto.
5503 (expand_builtin_fabs): Ditto.
5504 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
5505 the call to expand_expr().
5506 (expand_builtin_sync_operation): Ditto.
5507 (expand_builtin_compare_and_swap): Ditto.
5508 (expand_builtin_lock_test_and_set): Ditto.
5509 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
5510 instead of 0 in the call to expand_expr().
5511 (expand_builtin_extract_return_addr): Ditto.
5512 (expand_builtin_eh_return): Ditto.
5513 (expand_eh_return): Ditto.
5514 * explow.c (expr_size): Ditto.
5515 * expr.c (optimize_bitfield_assignment_op): Ditto.
5516 (expand_assignement): Ditto.
5517 (store_expr): Ditto.
5518 (store_field): Ditto.
5519 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
5520 the call to expand_expr().
5521 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
5522 in the call to expand_expr().
5523 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
5524 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
5525 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
5526 of expand_expr().
5527 * optabs.c (expand_vec_shift_expr): Ditto.
5528 (expand_vec_cond_expr): Ditto.
5529 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
5530 call to expand_expr().
5531 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
5532 in the call to expand_expr().
5533
5534 2007-05-14 Dave Korn <dave.korn@artimi.com>
5535
5536 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
5537
5538 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
5539
5540 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
5541 instead of c_common_unsigned_type.
5542 (c_common_unsigned_type): Remove.
5543 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
5544 c_common_unsigned_type.
5545 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
5546 c_common_unsigned_type.
5547 * c-common.h (c_common_unsigned_type): Remove.
5548 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
5549 c_common_unsigned_type.
5550 * c-format.c (check_format_types): Use unsigned_type_for instead of
5551 c_common_unsigned_type.
5552 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5553 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
5554 of c_common_unsigned_type.
5555 * convert.c (convert_to_integer): Use unsigned_type_for instead of
5556 lang_hooks.types.unsigned_type.
5557 * expmed.c (make_tree): Use unsigned_type_for instead of
5558 lang_hooks.types.unsigned_type.
5559 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
5560 lang_hooks.types.unsigned_type.
5561 (build_range_check): Likewise.
5562 (fold_unary): Likewise.
5563 (fold_binary): Likewise.
5564 (fold_ternary): Likewise.
5565 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5566 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
5567 * tree.c (get_unsigned_type): New.
5568 (unsigned_type_for): Use get_unsigned_type instead of
5569 lang_hooks.types.unsigned_type.
5570
5571 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
5572
5573 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
5574 to m68k_get_function_kind. Update its prototype.
5575 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
5576 interrupt_thread.
5577 (m68k_interrupt_function_p): Return enum m68k_function_type
5578 instead of bool. Rename to m68k_get_function_kind.
5579 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
5580 target is not fido.
5581 (m68k_compute_frame_layout): Don't mark any register for save
5582 if an interrupt_thread attribute is specified.
5583 (m68k_hard_regno_rename_ok): Update a use of
5584 m68k_interrupt_function_p.
5585 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
5586 m68k_interrupt_function_p.
5587 (m68k_function_type): New.
5588 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
5589 for a function with an interrupt_thread attribute.
5590 * doc/extend.texi: Document the interrupt_thread attribute.
5591
5592 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
5593
5594 Fix PR tree-optimization/31911
5595 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5596 if they didn't change the expression.
5597
5598 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
5599
5600 * tree-scalar-evolution.c (resolve_mixers): Exported.
5601 * tree-scalar-evolution.h (resolve_mixers): Declare.
5602 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
5603 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5604 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
5605 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
5606 init_array_ref, init_pointer_ref, analyze_indirect_ref,
5607 strip_conversion, analyze_offset_expr, address_analysis,
5608 object_analysis, analyze_offset): Removed.
5609 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
5610 split_constant_offset, canonicalize_base_object_address,
5611 object_address_invariant_in_loop_p, disjoint_objects_p,
5612 dr_may_alias_p, dr_address_invariant_p): New functions.
5613 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
5614 and dr_analyze_alias.
5615 (initialize_data_dependence_relation): Use dr_may_alias_p
5616 and object_address_invariant_in_loop_p.
5617 (compute_self_dependence): Handle the case when
5618 DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
5619 (find_data_references_in_stmt): Restrict the analysis of data
5620 references to the given loop nest.
5621 (find_data_references_in_loop): Made static. Pass loop nest to
5622 find_data_references_in_stmt.
5623 (compute_data_dependences_for_loop): Use DR_VOPS.
5624 (free_data_ref): Free DR_VOPS.
5625 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
5626 (struct innermost_loop_behavior): ... new.
5627 (struct base_object_info): Replaced by ...
5628 (struct indices): ... new.
5629 (struct dr_alias): New.
5630 (enum data_ref_type): Removed.
5631 (struct data_reference): Consist of struct innermost_loop_behavior,
5632 struct indices and struct dr_alias.
5633 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
5634 (DR_MEMTAG): Renamed to ...
5635 (DR_SYMBOL_TAG): ... this.
5636 (find_data_references_in_loop): Declaration removed.
5637 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
5638 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
5639 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
5640 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
5641
5642 2007-05-13 Revital Eres <eres@il.ibm.com>
5643
5644 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
5645 which walks virtual def-use chains to find redundant stores.
5646 (dse_optimize_stmt): Call it.
5647
5648 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5649
5650 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
5651 * passes.c (init_optimization_passes): Move pass_jump_bypass
5652 after loop2.
5653
5654 * basic-block.h (bb_has_eh_pred): Fix style issue.
5655
5656 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5657
5658 PR rtl-optimization/31848
5659 * loop-invariant.c (move_invariant_reg): If we move an insn
5660 with a REG_EQUAL note, and that insn is not always executed,
5661 remove the REG_EQUAL note.
5662
5663 2007-05-12 Richard Guenther <rguenther@suse.de>
5664
5665 PR tree-optimization/31797
5666 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
5667 propagate into a stmt that has volatile ops.
5668
5669 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5670
5671 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5672 (gcc_tooldir): Likewise.
5673 * configure: Regenerate.
5674 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5675 old configure.ac gcc_tooldir setting.
5676 (prefix_to_exec_prefix): New variable.
5677 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5678 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5679
5680 2007-05-11 Silvius Rus <rus@google.com>
5681
5682 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
5683 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
5684 * c-common.h (strict_aliasing_warning): Change return type.
5685 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
5686 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
5687 (build_c_cast): Condition call to strict_aliasing_warning.
5688 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
5689 * flags.h (set_Wstrict_aliasing): Declare.
5690 * opts.c (set_Wstrict_alising): Define, add call to.
5691 * tree-flow.h (strict_aliasing_warning_backend): Declare.
5692 * tree-ssa-alias-warnings.c: New file.
5693 * tree-ssa-alias.c (compute_may_aliases): Add call to
5694 strict_aliasing_warning_backend.
5695
5696 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
5697
5698 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
5699 Use loop_depth and loop_outer accessor functions.
5700 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
5701 determine_invariantness_stmt, move_computations_stmt): Ditto.
5702 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
5703 add_loop, loopify, unloop, fix_loop_structure): Ditto.
5704 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
5705 * tree-scalar-evolution.c (interpret_loop_phi,
5706 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
5707 instantiate_parameters_1, scev_const_prop): Ditto.
5708 * cfghooks.c (make_forwarder_block): Ditto.
5709 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
5710 * modulo-sched.c (loop_canon_p): Ditto.
5711 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
5712 slpeel_can_duplicate_loop_p): Ditto.
5713 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
5714 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
5715 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
5716 cancel_loop, verify_loop_structure): Ditto.
5717 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
5718 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
5719 superloops vector instead of "pred" array.
5720 (establish_preds): Take father loop as an argument. Initialize the
5721 superloops vector.
5722 (flow_loop_tree_node_add): Pass father loop to establish_preds.
5723 Do not initialize loop->outer.
5724 (flow_loop_tree_node_remove): Truncate the superloops vector.
5725 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
5726 "pred" merged to "superloops" vector.
5727 (loop_depth, loop_outer): New.
5728 (fel_init): Use loop_outer.
5729
5730 2007-05-11 Jan Hubicka <jh@suse.cz>
5731
5732 * cgraphunit.c: Include gt-cgraphunit.h
5733 (static_ctors, static_dtors): New static vars.
5734 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
5735 based on implementation in c-common.c
5736 (cgraph_finalize_function): Call record_cdtor_fn.
5737 (cgraph_optimize): Call cgraph_build_cdtor_fns.
5738 * decl.c (finish_function): Do not call c_record_cdtor_fn.
5739 (c_write_global_declarations): Do not call c_build_cdtor_fns.
5740 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
5741 build_cdtor, c_build_cdtor_fns): Remove.
5742 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
5743 c_build_cdtor_fns): Remove prototype.
5744
5745 2007-05-11 Paolo Carlini <pcarlini@suse.de>
5746
5747 PR other/31852
5748 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
5749 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
5750 * builtins.c (fold_builtin_memchr): New.
5751 (expand_builtin_memchr): Call the latter.
5752 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
5753 * doc/extend.texi ([Other built-in functions provided by GCC]):
5754 Document memchr.
5755
5756 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
5757
5758 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
5759 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
5760 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
5761 PFPO_OP1_TYPE_SHIFT): Constants added.
5762 (DFP_ALL): Mode macro defined.
5763 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
5764 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
5765 Insn definitions added.
5766 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
5767 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
5768 Expanders added.
5769
5770 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
5771
5772 PR tree-optimization/31885
5773 * tree-chrec.c (chrec_contains_undetermined): Do not consider
5774 NULL_TREE to be undetermined.
5775 (automatically_generated_chrec_p): Return false for NULL.
5776
5777 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5778
5779 * config/bfin/bfin.h (MOVE_RATIO): Define.
5780
5781 2007-05-10 Richard Sandiford <richard@codesourcery.com>
5782
5783 * config.gcc (sparc-wrs-vxworks): New target.
5784 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
5785 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
5786 * config/sparc/sparc.h: Include vxworks-dummy.h.
5787 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
5788 include LABEL_REFs too.
5789 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
5790 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
5791 VxWorks.
5792 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
5793 on VxWorks.
5794 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
5795 (sparc_emit_call_insn): New function.
5796 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
5797 functions when generating VxWorks PIC.
5798 * config/sparc/sparc.md (vxworks_load_got): New pattern.
5799 (call, call_value): Use sparc_emit_call_insn instead of
5800 emit_call_insn.
5801
5802 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5803
5804 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
5805
5806 2007-05-09 Bob Wilson <bob.wilson@acm.org>
5807
5808 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
5809 for floating-point values if HOST_BITS_PER_LONG > 32. Use
5810 split_double instead of operand_subword.
5811
5812 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
5813
5814 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
5815 * config/bfin/bfin.c (bfin_local_alignment): New function.
5816 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
5817
5818 2007-05-08 Chao-ying Fu <fu@mips.com>
5819
5820 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
5821 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
5822 (smsub_widen_optab, umsub_widen_optab): Define.
5823 * optabs.c (init_optabs): Initialize smsub_widen_optab and
5824 umsub_widen_optab.
5825 * genopinit.c (optabs): Fill in smsub_widen_optab and
5826 umsub_widen_optab.
5827 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
5828 and umsub_widen_optab to implement multiply-subtract sequences.
5829 * config/mips/mips.md (*msac<u>_di): Rename to...
5830 (<u>msubsidi4): ...this. Extend condition to include
5831 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
5832 of operand 0 to "ka" and use the three-operand form of msub<u>
5833 for TARGET_DSPR2.
5834 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
5835 to define_expands.
5836
5837 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
5838
5839 PR rtl-optimization/28011
5840 * reload.c (push_reload): Set dont_share if IN appears in OUT
5841 also when IN is a PLUS rtx.
5842 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
5843 are same PLUS rtx.
5844
5845 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
5846
5847 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
5848 call unshare_all_decls.
5849 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
5850 (unshare_all_decls): Remove.
5851
5852 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
5853
5854 PR 31847
5855 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
5856 dumps.
5857
5858 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
5859 Nigel Stephens <nigel@mips.com>
5860
5861 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
5862 Update comments and all uses.
5863 (MIN_FPRS_PER_FMT): Define.
5864 * config/mips/mips.c (function_arg): Fix to correctly handle
5865 the -mips32r2 -mfp64 -mabi=32 case.
5866 (override_options): Enable use of odd-numbered registers for
5867 SFmode values on MIPS32.
5868 (mips_save_reg_p): Save whole floating-point register pair if
5869 either half is used.
5870 (compute_frame_size): Fix comment.
5871
5872 2007-05-08 Jie Zhang <jie.zhang@analog.com>
5873
5874 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
5875 argument of type bool.
5876 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
5877 argument. Safely select temporary P register according to it.
5878 (do_link): Change call site of add_to_reg accordingly.
5879 (do_unlink): Add epilogue_p as a fourth argument and pass it
5880 to add_to_reg.
5881 (expand_interrupt_handler_epilogue): Change call of do_unlink
5882 accordingly.
5883 (bfin_expand_prologue): Add a third argument sibcall_p.
5884 * config/bfin/bfin.md (epilogue): Change call of
5885 bfin_expand_epilogue accordingly.
5886 (sibcall_epilogue): Likewise.
5887 (eh_return_internal): Likewise.
5888
5889 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
5890 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
5891 * config/bfin/bfin.c (bfin_handle_option): Handle
5892 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
5893 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
5894 Support bf534, bf536 and bf561.
5895 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
5896
5897 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
5898
5899 PR target/31854
5900 * config/i386/i386.c (ix86_function_regparm): Process local
5901 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
5902
5903 2007-05-07 Mike Stump <mrs@apple.com>
5904
5905 * doc/invoke.texi (Warning Options): Document that -Wempty-body
5906 also checks for and while statements in C++.
5907
5908 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
5909
5910 * gcc.c (at_file_supplied): New variable.
5911 (main): Set it if we expanded argv.
5912 (do_spec_1): Pass an @-file to the linker if we were called with
5913 an @-file argument and HAVE_GNU_LD.
5914 * collect2.c (at_file_supplied): New variable.
5915 (response_file): New variable.
5916 (collect_exit): Unlink response_file if necessary.
5917 (handler): Likewise.
5918 (do_wait): Likewise.
5919 (main): Set at_file_supplied if we expanded argv.
5920 (collect_execute): Pass an @-file to subprocesses if we were called
5921 with an @-file argument.
5922 * configure.ac: Add define for HAVE_GNU_LD.
5923 * configure: Regenerate.
5924 * config.in: Regenerate.
5925
5926 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
5927
5928 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
5929 operand to HI mode.
5930 (mulsi3): New.
5931 (divsi3): New.
5932 (udivsi3): New.
5933
5934 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
5935
5936 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5937 (TARGET_ENCODE_SECTION_INFO): Re-define.
5938 (m32c_encode_section_info): New
5939 (function_vector_handler): New
5940 (current_function_special_page_vector): New
5941 (m32c_special_page_vector_p): New.
5942 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
5943 Prototype.
5944 * config/m32c/jump.md: Added instruction JSRS for functions
5945 with attribute "function_vector".
5946 * doc/extend.texi (function_vector): Added description
5947 for M16C, M32C targets.
5948
5949 2007-05-07 DJ Delorie <dj@redhat.com>
5950
5951 PR 31794
5952 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
5953 ashrpsi3, lshrpsi3): Update shift count constraint.
5954
5955 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
5956 Nathan Froyd <froydnj@codesourcery.com>
5957
5958 PR 22133
5959 * c-incpath.c (add_path): Strip trailing path separators.
5960
5961 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
5962
5963 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
5964 Free dominance info before purging EH edges.
5965 (eliminate_degenerate_phis): Likewise.
5966 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
5967
5968 2007-05-07 Jan Hubicka <jh@suse.cz>
5969
5970 * gimplify.c (gimplify_expr): Do not crash when folding
5971 (void *)(int)&a + 4.
5972
5973 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5974
5975 PR driver/31694
5976 * c-opts.c (lang_fortran): Make it non static.
5977 * c-common.h (lang_fortran): New prototype.
5978 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
5979 -lang-fortran option was passed by the driver.
5980
5981 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
5982
5983 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
5984 of ASSERT_CHECKING. Tweak message.
5985
5986 2007-05-06 Revital Eres <eres@il.ibm.com>
5987
5988 PR 30957
5989 * loop-unroll.c (insert_var_expansion_initialization):
5990 Initialize the expansions with -zero instead of +zero.
5991
5992 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
5993
5994 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
5995 into pic and non-pic versions. Mark r19 as used for
5996 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
5997 for tgd_load, tld_load and tie_load .
5998 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
5999 version of tgd_load, tld_load and tie_load depending on the
6000 value of flag_pic.
6001
6002 2007-05-04 Ulrich Drepper <drepper@redhat.com>
6003 Jakub Jelinek <jakub@redhat.com>
6004
6005 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
6006 (__do_global_dtors_aux): Use more paranoid loop to run
6007 destructors if HIDDEN_DTOR_LIST_END.
6008 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
6009
6010 2007-05-04 Jakub Jelinek <jakub@redhat.com>
6011
6012 * varasm.c (align_variable): Don't increase alignment for
6013 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
6014 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
6015
6016 2007-05-04 Josh Conner <jconner@apple.com>
6017
6018 * basic-block.h (cdi_direction): Assign values to all enumeration
6019 constants.
6020 (dom_computed): Remove.
6021 (dom_info_state): New.
6022 (set_dom_info_availability): New.
6023 * tree-ssa-loop-im.c (determine_invariantness): Initialize
6024 walk_data.dom_direction.
6025 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
6026 instead of dom_computed[].
6027 (split_edge): Likewise.
6028 (create_basic_block): Likewise.
6029 (merge_blocks): Likewise.
6030 * ifcvt.c (find_if_header): Likewise.
6031 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
6032 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6033 * tree-ssa.c (verify_ssa): Likewise.
6034 * tree-cfg.c (tree_verify_flow_info): Likewise.
6035 (remove_edge_and_dominated_blocks): Likewise.
6036 * dominance.c (dom_computed): Make static.
6037 (calc_dfs_tree_nonrec): Change third param to a bool.
6038 (calc_dfs_tree): Change second param to a bool.
6039 (calc_idioms): Change second param to a bool. Use
6040 dom_convert_dir_to_idx.
6041 (init_dom_info): Validate dir before using.
6042 (dom_convert_dir_to_idx): New.
6043 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
6044 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
6045 (free_dominance_info): Use dom_convert_dir_to_idx.
6046 (get_immediate_dominator): Likewise.
6047 (set_immediate_dominator): Likewise.
6048 (get_dominated_by): Likewise.
6049 (redirect_immediate_dominators): Likewise.
6050 (nearest_common_denominator): Likewise.
6051 (dominated_by_p): Likewise.
6052 (bb_dom_dfs_in): Likewise.
6053 (bb_dom_dfs_out): Likewise.
6054 (recount_dominator): Likewise.
6055 (iterate_fix_dominators): Likewise.
6056 (add_to_dominance_info): Likewise.
6057 (delete_from_dominance_info): Likewise.
6058 (first_dom_son): Likewise.
6059 (next_dom_son): Likewise.
6060 (dom_info_available_p): Likewise.
6061 (dom_info_state): New.
6062 (set_dom_info_availability): New.
6063
6064 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
6065
6066 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
6067 Expander removed.
6068 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
6069
6070 2007-05-04 Bob Wilson <bob.wilson@acm.org>
6071
6072 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
6073 (subdi3, subdi_carry): Delete.
6074
6075 2007-05-04 Jan Hubicka <jh@suse.cz>
6076 Richard Guenther <rguenther@suse.de>
6077
6078 * opts.c (decode_options): Do not fiddle with inlining
6079 parameters in case of optimizing for size.
6080 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
6081 for size do nothing.
6082 (cgraph_decide_inlining_of_small_function): When optimizing for
6083 size never inline functions increasing caller size.
6084 (cgraph_early_inlining): Inline for size when optimizing for size.
6085
6086 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
6087
6088 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
6089 logical operations piecewise.
6090 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
6091 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
6092 subdi_sesidi_di): Delete.
6093 (add_with_carry): Produce carry in CC instead of a DREG to shorten
6094 the generated sequence. Allow three-reg add in constraints. Rewrite
6095 the rtl expression for carry to avoid zero_extend of a constant.
6096 (sub_with_carry): New pattern.
6097 (adddi3, subdi3): Change into define_expand. For subtract, generate a
6098 different sequence not involving jumps.
6099 (notbi): Now a named pattern.
6100
6101 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
6102
6103 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
6104 Add the note about a significant loss of accuracy of some
6105 mathematical routines when these options are used.
6106
6107 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6108
6109 * haifa-sched.c (rtx_vec_t): New typedef.
6110 (contributes_to_priority_p): Extract piece of priority () into new
6111 static function.
6112 (priority): Use the function. Add assertion.
6113 (rank_for_schedule, set_priorities): Add assertion to check that
6114 insn's priority is initialized.
6115 (clear_priorities, calc_priorities): Change signature. Make it update
6116 all relevant insns. Update all callers ('add_to_speculative_block ()'
6117 and 'create_block_check_twin ()').
6118 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
6119 Add new field 'priority_status'.
6120 (INSN_PRIORITY_STATUS): New macro.
6121 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
6122
6123 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6124
6125 * sched-ebb.c (debug_ebb_dependencies): New static function.
6126 (init_ready_list): Use it.
6127
6128 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
6129 with changed signature and 'debug_rgn_dependencies ()'.
6130 (debug_rgn_dependencies): New static function.
6131 (init_ready_list): Use it.
6132
6133 * sched-int.h (debug_dependencies): Declare.
6134
6135 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
6136
6137 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
6138
6139 2007-05-04 Dirk Mueller <dmueller@suse.de>
6140
6141 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
6142
6143 2007-05-03 Jan Hubicka <jh@suse.cz>
6144
6145 * fold-const.c (fold_unary): Convert (T1)(X op Y) into
6146 ((T1)X op (T1)Y), for pointer type in more cases than before.
6147
6148 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
6149
6150 * tree-object-size.c (plus_expr_object_size): When operand size is
6151 unknown, return unknown.
6152
6153 2007-05-03 Dirk Mueller <dmueller@suse.de>
6154
6155 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
6156
6157 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
6158 options.
6159
6160 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
6161
6162 2007-05-03 Janis Johnson <janis187@us.ibm.com>
6163
6164 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
6165
6166 2007-05-03 Joseph Myers <joseph@codesourcery.com>
6167
6168 * config/soft-fp/double.h, config/soft-fp/extended.h,
6169 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
6170 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
6171 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
6172 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
6173 glibc CVS.
6174
6175 2007-05-03 Ian Lance Taylor <iant@google.com>
6176
6177 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
6178 MASK_PPC_GFXOPT for 8540 or 8548.
6179
6180 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
6181
6182 * tree-vect-transform.c (vect_update_inits_of_drs): Use
6183 vect_print_dump_info() to output debug information.
6184
6185 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
6186
6187 PR target/31768
6188 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
6189 operands of size 2 when operand is not MEM_P.
6190
6191 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
6192
6193 PR tree-optimization/30565
6194 * lambda-code.c (perfect_nestify): Fix updating of dominators.
6195
6196 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
6197
6198 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
6199 (umulsi3_highpart): Use them.
6200 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
6201 for final accumulator to D regisster tranfser.
6202
6203 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
6204
6205 PR tree-optimization/31699
6206 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
6207 wrong code.
6208 (vect_enhance_data_refs_alignment): Compute peel amount using
6209 TYPE_VECTOR_SUBPARTS instead of vf.
6210 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
6211
6212 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
6213
6214 PR bootstrap/31776
6215 * system.h: Remove inclusion of double-int.h
6216 * tree.h: Include double-int.h
6217 * gengtype.c: Likewise
6218 * cfgloop.h: Likewise
6219 * Makefile.in: Adjust dependencies on double-int.h
6220
6221 2007-05-02 Eric Christopher <echristo@apple.com>
6222
6223 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
6224 -shared to -Zdynamiclib.
6225
6226 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
6227
6228 PR c++/31663
6229 * c-common.c (strip_pointer_or_array_types): New function.
6230 * c-common.h (strip_pointer_or_array_types): New function declaration.
6231
6232 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
6233
6234 PR tree-optimization/31771
6235 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
6236
6237 2007-05-02 Paul Brook <paul@codesourcery.com>
6238
6239 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
6240
6241 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6242
6243 PR middle-end/29715
6244 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
6245 transformation.
6246
6247 2007-05-02 Nick Clifton <nickc@redhat.com>
6248
6249 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
6250
6251 2007-05-02 Richard Guenther <rguenther@suse.de>
6252
6253 PR tree-optimization/31146
6254 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
6255 argument, single_use_p. If we have a single use that is
6256 a conversion to the definition rhs type, propagate that rhs.
6257 (forward_propagate_addr_expr): Pass single_use_p argument
6258 to forward_propagate_addr_expr_1.
6259
6260 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
6261
6262 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
6263 variable.
6264
6265 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6266
6267 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
6268 'AMD Family 10 core'.
6269
6270 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6271
6272 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
6273 and athlon64-sse3 as improved versions of k8, opteron and athlon64
6274 with SSE3 instruction set support.
6275 * doc/invoke.texi: Likewise.
6276
6277 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6278
6279 * config/i386/i386.c (override_options): Tuning 32-byte loop
6280 alignment for amdfam10 architecture. Increasing the max loop
6281 alignment to 24 bytes.
6282
6283 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
6284
6285 * config/m68k/constraints.md: New.
6286 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
6287 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
6288 EXTRA_CONSTRAINT): Remove.
6289 * config/m68k/m68k.md: Include constraints.md.
6290 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
6291
6292 2007-05-01 Ian Lance Taylor <iant@google.com>
6293
6294 PR tree-optimization/31739
6295 * tree-vrp.c (vrp_val_is_max): New static function.
6296 (vrp_val_is_min): New static function.
6297 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
6298 copying the node.
6299 (set_value_range): Use vrp_val_is_{max,min}.
6300 (extract_range_from_assert): Likewise.
6301 (extract_range_from_binary_expr): Likewise.
6302 (extract_range_from_unary_expr): Likewise.
6303 (dump_value_range, vrp_meet): Likewise.
6304 (vrp_visit_phi_node): Likewise.
6305 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
6306
6307 2007-05-01 Mark Mitchell <mark@codesourcery.com>
6308
6309 * config/i386/gmon-sol2.c (size_t): New type.
6310 (intptr_t): Likewise.
6311 (s_textsize): Declare as size_t.
6312 (sbrk): Declare.
6313 (monstartup): Use size_t for sizes.
6314 (_mcount): Save and restore registers.
6315 (internal_mcount): Pass 0 as the first argument to monstartup
6316 in 64-bit mode.
6317 (moncontrol): Convert pointer to appropriately sized integer
6318 before passing to profil.
6319
6320 2007-05-01 Joseph Myers <joseph@codesourcery.com>
6321
6322 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
6323 __NO_FPRS__, not just if _SOFT_DOUBLE.
6324 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
6325 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
6326 also for E500 double.
6327 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
6328 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
6329 && !TARGET_FPRS).
6330
6331 2007-05-01 Richard Guenther <rguenther@suse.de>
6332
6333 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
6334 is NULL.
6335
6336 2007-05-01 Joseph Myers <joseph@codesourcery.com>
6337
6338 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
6339
6340 2007-05-01 Jan Hubicka <jh@suse.cz>
6341
6342 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
6343 invariant.
6344
6345 2007-05-01 Jan Hubicka <jh@suse.cz>
6346
6347 * tree.h (maybe_fold_offset_to_component_ref): Remove.
6348 (maybe_fold_offset_to_reference): Declare.
6349 * fold-const.c (fold_unary): Do not fold
6350 (type *)&A into &A->field_of_type_and_offset_0
6351 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
6352 size is unknown, give up.
6353 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
6354 offsets.
6355 (maybe_fold_offset_to_reference): New.
6356 (maybe_fold_stmt_indirect): Use it.
6357 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
6358 * gimplify.c (gimplify_conversion): Canonicalize conversions to
6359 field references.
6360 (gimplify_expr): Likewise for plus_expr.
6361
6362 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6363
6364 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
6365 bsi_after_labels. Always insert statements before bsi.
6366 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6367 * predict.c (apply_return_prediction): Check for empty blocks.
6368 * cfgexpand.c (lab_rtx_for_bb): New variable.
6369 (label_rtx_for_bb): Do not create new tree labels.
6370 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
6371 (tree_expand_cfg): Initialize lab_rtx_for_bb.
6372 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
6373 creating edges.
6374 (label_for_bb): Add field used.
6375 (update_eh_label, main_block_label): Mark the label used.
6376 (cleanup_dead_labels): Remove unused labels.
6377
6378 2007-05-01 Richard Guenther <rguenther@suse.de>
6379
6380 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
6381 if it is not about to be set.
6382 (get_value_range): Do not pre-allocate equiv bitmap.
6383 (update_value_range): No need to clear equiv field.
6384 (add_equivalence): Change prototype to get bitmap pointer.
6385 Allocate bitmap here if it is not already.
6386 (extract_range_from_assert): Do not allocate bitmap here.
6387 Update callers to add_equivalence.
6388 (extract_range_from_ssa_name): Likewise.
6389 (get_vr_for_comparison): New static helper.
6390 (compare_name_with_value): Handle NULL equiv bitmap by
6391 peeling the first iteration of the comparison loop.
6392 Use get_vr_for_comparison.
6393 (compare_names): Handle NULL equiv bitmaps by using fake
6394 ones. Use get_vr_for_comparison.
6395
6396 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
6397
6398 * double-int.c (mpz_set_double_int): Moved from
6399 tree-ssa-loop-niter.c.
6400 (mpz_get_double_int): Likewise; also, add option to wrap
6401 out-of-range integers.
6402 * double-int.h: New prototypes for above.
6403 * tree.c (get_static_type_bounds): Moved from
6404 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
6405 TYPE_MAX_VALUE if they exist..
6406 * tree.h: New prototype for above.
6407 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
6408 get_type_bounds calls.
6409 (mpz_set_double_int): Move to double-int.c.
6410 (get_type_bounds): Move to tree.c, rename to
6411 get_static_type_bounds.
6412 (mpz_to_double_int): Move to double-int.c, rename to
6413 mpz_get_double_int.
6414
6415 2007-04-30 Bob Wilson <bob.wilson@acm.org>
6416
6417 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
6418 DIV0 exception can fall through to a normal return.
6419
6420 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
6421
6422 PR middle-end/22156
6423 Temporarily revert:
6424 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
6425 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
6426 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6427 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
6428 initialize align to silence bogus warning.
6429 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6430 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
6431 all_no_warning.
6432 (struct sra_walk_fns): Remove use_all parameter from use.
6433 (sra_hash_tree): Handle BIT_FIELD_REFs.
6434 (sra_elt_hash): Don't hash bitfld blocks.
6435 (sra_elt_eq): Skip them in parent compares as well. Handle
6436 BIT_FIELD_REFs.
6437 (sra_walk_expr): Don't maintain or pass down use_all_p.
6438 (scan_use): Remove use_all parameter.
6439 (scalarize_use): Likewise. Re-expand assignment to
6440 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
6441 output, and re-scalarize after output. Don't mark anything
6442 for no warning.
6443 (scalarize_ldst): Adjust.
6444 (scalarize_walk_gimple_modify_statement): Likewise.
6445 (build_element_name_1): Handle BIT_FIELD_REFs.
6446 (instantiate_element): Don't warn for any element whose parent
6447 is used as a whole.
6448 (instantiate_missing_elements_1): Return the sra_elt.
6449 (canon_type_for_field): New.
6450 (try_instantiate_multiple_fields): New.
6451 (instantiate_missing_elemnts): Use them.
6452 (mark_no_warning): Removed.
6453 (generate_one_element_ref): Handle BIT_FIELD_REFs.
6454 (REPLDUP, sra_build_elt_assignment): New.
6455 (generate_copy_inout): Use them.
6456 (generate_element_copy): Likewise. Handle bitfld differences.
6457 (generate_element_zero): Don't recurse for blocks. Use
6458 sra_build_elt_assignment.
6459 (generate_one_element_int): Take elt instead of var. Use
6460 sra_build_elt_assignment.
6461 (generate_element_init_1): Adjust.
6462 (scalarize_use, scalarize_copy): Use REPLDUP.
6463 (scalarize_ldst): Move assert before dereference.
6464 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
6465
6466 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
6467
6468 PR C++/31721
6469 * tree.c (reconstruct_complex_type): Reconstruct a reference
6470 correctly.
6471 Also use the same mode for the pointer as the old pointer type.
6472
6473 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6474
6475 * doc/trouble.texi (Interoperation): Remove note about Ultrix
6476 Fortran compiler.
6477
6478 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
6479
6480 PR rtl-optimization/31676
6481 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
6482 (df_refs_record): Call it.
6483
6484 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
6485
6486 * rtl.def (SS_ABS): New code.
6487 * config/bfin/bfin.c (print_operand): New modifier 'v'.
6488 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
6489 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
6490 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
6491 (bfin_init_builtins): Define them.
6492 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
6493 (bfin_expand_builtin): ... and handle the others here.
6494 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
6495 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
6496 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
6497 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
6498 operand is only HImode.
6499
6500 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
6501
6502 * regclass.c (scan_one_insn): Remove splitting of
6503 two address insns.
6504
6505 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
6506 Nigel Stephens <nigel@mips.com>
6507
6508 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6509
6510 2007-04-28 Jan Hubicka <jh@suse.cz>
6511
6512 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
6513 insn_locators_alloc instead of insn_locators_initialize;
6514 call reset_block_changes.
6515 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6516 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
6517 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
6518 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
6519 * config/score/score.c (th_output_mi_thunk): Likewise.
6520 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
6521 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
6522 tolerate uninitialized locator info.
6523
6524 Re-apply:
6525 * function.c (init_function_start): Don't init line number info.
6526 (expand_function_end): Update.
6527 (reset_block_changes, record_block_change, finalize_block_changes,
6528 check_block_change, free_block_changes): Kill.
6529 * function.h (reset_block_changes, record_block_change,
6530 finalize_block_changes, check_block_change, free_block_changes):
6531 Remove prototypes.
6532 (struct function): Remove ib_boundaries_block.
6533 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6534 Use curr_insn_locator to initialize locator.
6535 (emit_line_note): Remove.
6536 * cfgexpand.c (expand_gimple_cond_expr): Update.
6537 (construct_exit_block): Likewise.
6538 (tree_expand_cfg): Initialize/finalize locators.
6539 * expr.c (expand_expr_real): Update.
6540 * cfglayout.c (line_locators_locs, line_locators_lines,
6541 file_locators_locs, file_locators_files): Remove.
6542 (set_block_levels): Move to cfgexpand.c.
6543 (insn_locators_initialize): Remove.
6544 (pass_insn_locators_initialize): Remove.
6545 (locations_locators_locs, locations_locators_vals): New static vars.
6546 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6547 Likewise.
6548 (insn_locators_alloc, insn_locators_finalize,
6549 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6550 New functions.
6551 (locator_location): New.
6552 (locator_line, locator_file): Rewrite.
6553 * rtl.h (emit_line_note): Kill.
6554 (insn_locators_alloc, insn_locators_finalize,
6555 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6556 Declare.
6557 * tree-inline.c (initialize_cfun): Do not initialize
6558 ib_boundaries_block.
6559 * passes.c (pass_insn_locators_initialize): Remove.
6560
6561 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
6562
6563 * tree-cfg.c (move_block_to_fn): Release bb from dominance
6564 info. Update last_basic_block correctly.
6565
6566 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
6567
6568 PR target/31701
6569 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
6570 register itself to hold the offset constant. Tell flow the use
6571 of r4 and r5 when they are used.
6572
6573 2007-04-27 Richard Guenther <rguenther@suse.de>
6574
6575 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
6576 if we simplified anything.
6577 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
6578 warnings until we did a simplification and the stmt was not
6579 marked as TREE_NO_WARNING.
6580
6581 2007-04-27 Mike Stump <mrs@apple.com>
6582
6583 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
6584
6585 2007-04-27 Ian Lance Taylor <iant@google.com>
6586
6587 PR middle-end/31710
6588 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
6589 TYPE_MAX_VALUE exist, convert them to the new type.
6590
6591 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6592
6593 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
6594 if it claims to be available.
6595 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
6596 edge is redirected.
6597 (perform_tree_ssa_dce): Always free postdominators.
6598
6599 2007-04-27 Richard Henderson <rth@redhat.com>
6600
6601 * config/alpha/predicates.md (aligned_memory_operand): Mark
6602 as define_special_predicate.
6603 (unaligned_memory_operand, normal_memory_operand): Likewise.
6604 (reg_or_unaligned_mem_operand): Remove.
6605 (any_memory_operand): Match the documentation and check for
6606 non-renumbered pseudos during reload.
6607 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
6608 alpha_secondary_reload_class, update to new interface, make static.
6609 Handle CQImode like HImode. Remove FP subreg check.
6610 (alpha_expand_mov): Use replace_equiv_address.
6611 (alpha_expand_mov_nobwx): Use any_memory_operand.
6612 (TARGET_SECONDARY_RELOAD): New.
6613 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
6614 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6615 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
6616 * config/alpha/alpha.md: ... here.
6617 (RELOAD12, reloadmode): New.
6618 (movcqi): New.
6619 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
6620 Don't handle the aligned case here.
6621 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
6622 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
6623 reload_inhi_help. Don't expect a scratch register.
6624 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
6625 reload_outhi_help.
6626 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
6627
6628 2007-04-27 Richard Guenther <rguenther@suse.de>
6629
6630 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
6631
6632 2007-04-27 Richard Guenther <rguenther@suse.de>
6633
6634 PR tree-optimization/30965
6635 PR tree-optimization/30978
6636 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
6637 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
6638 (find_equivalent_equality_comparison): Likewise.
6639 (simplify_cond): Likewise.
6640 (get_prop_source_stmt): New helper.
6641 (get_prop_dest_stmt): Likewise.
6642 (can_propagate_from): Likewise.
6643 (remove_prop_source_from_use): Likewise.
6644 (combine_cond_expr_cond): Likewise.
6645 (forward_propagate_comparison): New function.
6646 (forward_propagate_into_cond): Rewrite to use fold for
6647 tree combining.
6648 (tree_ssa_forward_propagate_single_use_vars): Call
6649 forward_propagate_comparison to propagate comparisons.
6650
6651 2007-04-27 Richard Guenther <rguenther@suse.de>
6652
6653 PR tree-optimization/31715
6654 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
6655 sure to do computation on the offset in an appropriate
6656 signed type.
6657
6658 2007-04-27 Richard Sandiford <richard@codesourcery.com>
6659
6660 * reload.h (elimination_target_reg_p): Declare.
6661 * reload.c (find_reloads): Don't apply the reg_rtx move
6662 optimization if the SET_DEST satisfies elimination_target_reg_p.
6663 * reload1.c (elimination_target_reg_p): New function.
6664 (gen_reload): In the move/add2 fallback, make sure that op0
6665 does not overlap the destination register.
6666
6667 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6668
6669 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
6670 transform only GIMPLE_MODIFY_STMTs.
6671 * tree-complex.c (expand_complex_operations_1): Ditto.
6672 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
6673 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
6674 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
6675 branches.
6676 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6677 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
6678 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
6679 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
6680 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
6681 slpeel_add_loop_guard): Ditto.
6682 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6683 * lambda-code.c (perfect_nestify): Ditto.
6684 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
6685 before the first statement.
6686 * tree-optimize.c (execute_free_datastructures): Fix comments.
6687 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
6688 * tree-flow.h (disband_implicit_edges): Declaration removed.
6689 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
6690 branches.
6691 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
6692 COND_EXPRs without gotos.
6693 (disband_implicit_edges, has_label_p): Removed.
6694 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
6695 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
6696 branches.
6697 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
6698 side effects.
6699 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
6700 also for COND_EXPRs.
6701 * cfgexpand.c (label_rtx_for_bb): New function.
6702 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
6703 Use label_rtx_for_bb to find the labels.
6704 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
6705 last block. Detect fallthru edges.
6706
6707 2007-04-26 Ian Lance Taylor <iant@google.com>
6708
6709 PR target/28675
6710 * reload.c (find_reloads_subreg_address): If the address was valid
6711 in the original mode but not in the new mode, reload the whole
6712 address.
6713
6714 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6715
6716 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
6717 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
6718 (cleanup_control_expr_graph): Do not invalidate dominance info.
6719 Record altered blocks.
6720 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
6721 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
6722 cleanup_tree_cfg_bb): New functions.
6723 (remove_forwarder_block): Do not maintain the worklist of blocks.
6724 Record altered blocks.
6725 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
6726 not over whole cfg.
6727 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
6728 delete_unreachable_blocks if dominators are not available.
6729 * tree-inline.c (optimize_inline_calls): Free dominance information
6730 earlier.
6731 * tree-flow.h (remove_edge_and_dominated_blocks,
6732 cfgcleanup_altered_bbs): Altered.
6733 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
6734 blocks.
6735 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
6736 functions.
6737 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
6738 do not invalidate dominators.
6739
6740 2007-04-26 Anatoly Sokolov <aesok@post.ru>
6741
6742 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
6743 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
6744 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6745 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6746
6747 2007-04-26 Steve Ellcey <sje@cup.hp.com>
6748
6749 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
6750
6751 2007-04-26 Richard Guenther <rguenther@suse.de>
6752
6753 PR tree-optimization/31703
6754 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
6755 the right type for the target of the bittest.
6756
6757 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6758
6759 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
6760 ix86_sol10_return_in_memory.
6761
6762 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6763
6764 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
6765 variables.
6766
6767 2007-04-26 Jakub Jelinek <jakub@redhat.com>
6768
6769 PR c++/31598
6770 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
6771
6772 PR tree-optimization/30558
6773 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
6774 clear this_state.prev_try.
6775
6776 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6777 Mark Mitchell <mark@codesourcery.com>
6778
6779 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
6780 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
6781 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
6782
6783 2007-04-26 Richard Sandiford <richard@codesourcery.com>
6784
6785 PR driver/31107
6786 * doc/invoke.texi (%:print-asm-header): Document.
6787 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
6788 and -ftarget-help.
6789 (static_spec_functions): Add print-asm-header.
6790 (main): Print a banner before the --target-help linker options.
6791 (print_asm_header_spec_function): New function.
6792
6793 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
6794
6795 PR target/31403
6796 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
6797 (movsf_ie): Likewise.
6798
6799 2007-04-25 Paolo Carlini <pcarlini@suse.de>
6800
6801 * doc/extend.texi ([Type Traits]): Adjust per N2255.
6802
6803 2007-04-25 Bob Wilson <bob.wilson@acm.org>
6804
6805 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
6806 exception for divide-by-zero.
6807 (__umodsi3, __modsi3): Likewise.
6808
6809 2007-04-25 Dirk Mueller <dmueller@suse.de>
6810
6811 * c-typeck.c (build_compound_expr): Annotate warning()
6812 call with OPT_Wunused_value.
6813 * tree-ssa.c (warn_uninit): Annotate warning with
6814 OPT_Wunintialized.
6815 * c-common.c (handle_sentinel_attribute): Annotate warning
6816 call with OPT_Wattributes.
6817
6818 2007-04-25 Thiemo Seufer <ths@mips.com>
6819
6820 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
6821 (mips16): Fix typo.
6822 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
6823 on to the assembler. Improve handling of -mno-mips16. Add handling
6824 of -mno-mips3d, -mno-dsp, -mno-dspr2.
6825 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
6826 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
6827 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
6828
6829 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
6830
6831 PR target/31680
6832 * config/i386/winnt.c (i386_pe_file_end): Strip only
6833 USER_LABEL_PREFIX when writing export name.
6834
6835 2007-04-25 Richard Sandiford <richard@codesourcery.com>
6836
6837 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
6838 sh/elf.h, vx-common.h and vxworks.h.
6839 * config/sh/sh.h: Include config/vxworks-dummy.h.
6840 (SUBTARGET_OVERRIDE_OPTIONS): Define.
6841 (OVERRIDE_OPTIONS): Use it.
6842 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
6843 (vxworks_picreg): New pattern.
6844 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
6845 VXWORKS_OS_CPP_BUILTINS.
6846 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
6847 to their VXWORKS_* equivalents.
6848 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
6849 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
6850 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
6851 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
6852 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
6853 -mrtp/-fPIC multilibs.
6854 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
6855 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
6856 (MULTILIB_OSDIRNAMES): Delete.
6857
6858 2007-04-25 Anatoly Sokolov <aesok@post.ru>
6859
6860 PR target/18989
6861 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
6862
6863 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
6864
6865 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
6866 rounding mode to be specified by the caller.
6867 (real_to_mpfr) Likewise.
6868 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
6869 include new arguments.
6870 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
6871
6872 2007-04-24 Ian Lance Taylor <iant@google.com>
6873
6874 PR tree-optimization/31605
6875 * tree-vrp.c (set_value_range): Check that min and max are not
6876 both overflow infinities.
6877 (set_value_range_to_value): New static function.
6878 (extract_range_from_binary_expr): Call set_value_range_to_value.
6879 (extract_range_from_cond_expr): Likewise.
6880 (extract_range_from_expr): Likewise.
6881 (extract_range_from_unary_expr): Likewise. Don't create a range
6882 which overflows on both sides.
6883 (vrp_meet): Check for a useless range.
6884 (vrp_visit_phi_node): If we see a constant which looks like an
6885 overflow infinity, turn off the TREE_OVERFLOW flag.
6886
6887 2007-04-24 Ian Lance Taylor <iant@google.com>
6888
6889 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
6890
6891 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
6892
6893 PR diagnostic/25923
6894 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
6895 diagnostic message is being built.
6896 * tree-pretty-print.c (dump_generic_node): Only write the
6897 formatted text into BUFFER's stream if we are not building a
6898 diagnostic message.
6899 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
6900 dump_generic_node.
6901 * Makefile.in (toplev.o): Depend on tree-pass.h.
6902
6903 2007-04-24 Ian Lance Taylor <iant@google.com>
6904
6905 PR tree-optimization/31602
6906 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
6907 conditionals in the copied loop header.
6908 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
6909 warnings if TREE_NO_WARNING is set.
6910 * doc/invoke.texi (Warning Options): Clarify that
6911 -Wstrict-overflow does not warn about loops.
6912
6913 2007-04-24 Janis Johnson <janis187@us.ibm.com>
6914
6915 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
6916 expand on the comment about _Decimal128 arguments and check the
6917 integer result of the modulus operation; for 64-bit ELF ABI, ensure
6918 that _Decimal128 argument uses even/odd register pair.
6919 (function_arg): Ditto.
6920
6921 2007-04-24 Hui-May Chang <hm.chang@apple.com>
6922
6923 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
6924 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
6925
6926 2007-04-24 Richard Guenther <rguenther@suse.de>
6927 Olga Golovanevsky <olga@il.ibm.com>
6928
6929 * fold-const.c (multiple_of_p): Check for bottom
6930 to be zero.
6931
6932 2007-04-24 Richard Henderson <rth@redhat.com>
6933
6934 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
6935 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
6936 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
6937 looking for non-zero bits shifted out. Avoid a recursive call
6938 when constructing the scalar.
6939 (__floatundisf): Likewise.
6940
6941 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
6942
6943 * dwarf2out.c (field_byte_offset): Move the existing logic
6944 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
6945 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
6946
6947 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6948
6949 PR target/31641
6950 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
6951 length argument of 0 for memset.
6952 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
6953 unsigned shift instead of the signed variant.
6954
6955 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
6956
6957 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
6958 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
6959 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
6960 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6961 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
6962 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
6963 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
6964 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
6965 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
6966 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
6967 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
6968 "mul<mode>3", "div<mode>3"): Insn definitions added.
6969 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
6970 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
6971 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
6972 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
6973 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
6974 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
6975 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
6976 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
6977 TARGET_FLOAT_FORMAT): Macro definitions removed.
6978 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
6979 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
6980 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
6981 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
6982 (s390_gen_rtx_const_DI): Function removed.
6983 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
6984
6985 2007-04-24 Richard Sandiford <richard@codesourcery.com>
6986
6987 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
6988 over an external ffs function.
6989
6990 2007-04-24 Chao-ying Fu <fu@mips.com>
6991 Richard Sandiford <richard@nildram.co.uk>
6992
6993 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
6994 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
6995 (smadd_widen_optab, umadd_widen_optab): Define.
6996 * optabs.c (init_optabs): Initialize smadd_widen_optab and
6997 umadd_widen_optab.
6998 * genopinit.c (optabs): Fill in smadd_widen_optab and
6999 umadd_widen_optab.
7000 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
7001 and umadd_widen_optab to implement multiply-add sequences.
7002 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
7003 (<u>maddsidi4): ...this. Extend condition to include
7004 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
7005 of operand 0 to "ka" and use the three-operand form of madd<u>
7006 for TARGET_DSPR2.
7007 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
7008 to define_expands.
7009 * config/mips/constraints.md (ka): New register constraint.
7010
7011 2007-04-24 Jan Hubicka <j@suse.cz>
7012
7013 Revert:
7014
7015 2007-04-23 Jan Hubicka <jh@suse.cz>
7016 * function.c (init_function_start): Don't init line number info.
7017 (expand_function_end): Update.
7018 (reset_block_changes, record_block_change, finalize_block_changes,
7019 check_block_change, free_block_changes): Kill.
7020 * function.h (reset_block_changes, record_block_change,
7021 finalize_block_changes, check_block_change, free_block_changes):
7022 Remove prototypes.
7023 (struct function): Remove ib_boundaries_block.
7024 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
7025 Use curr_insn_locator to initialize locator.
7026 (emit_line_note): Remove.
7027 * cfgexpand.c (expand_gimple_cond_expr): Update.
7028 (construct_exit_block): Likewise.
7029 (tree_expand_cfg): Initialize/finalize locators.
7030 * expr.c (expand_expr_real): Update.
7031 * cfglayout.c (line_locators_locs, line_locators_lines,
7032 file_locators_locs, file_locators_files): Remove.
7033 (set_block_levels): Move to cfgexpand.c.
7034 (insn_locators_initialize): Remove.
7035 (pass_insn_locators_initialize): Remove.
7036 (locations_locators_locs, locations_locators_vals): New static vars.
7037 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
7038 Likewise.
7039 (insn_locators_alloc, insn_locators_finalize,
7040 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7041 New functions.
7042 (locator_location): New.
7043 (locator_line, locator_file): Rewrite.
7044 * rtl.h (emit_line_note): Kill.
7045 (insn_locators_alloc, insn_locators_finalize,
7046 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7047 Declare.
7048 * tree-inline.c (initialize_cfun): Do not initialize
7049 ib_boundaries_block.
7050 * passes.c (pass_insn_locators_initialize): Remove.
7051
7052 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
7053
7054 * doc/invoke.texi: Removed leading '-' from option index entries.
7055
7056 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
7057
7058 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
7059 Use phi_nodes_ptr.
7060 (create_phi_node): Use set_phi_nodes.
7061 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
7062 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
7063 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
7064 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
7065 (bsi_start, bsi_last): Use bb_stmt_list.
7066 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
7067 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
7068 Traverse the statements using tsi iterator.
7069 * basic-block.h (struct basic_block_def): Fields stmt_list
7070 and phi_nodes moved to ...
7071 (struct tree_bb_info): ... new structure.
7072 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
7073 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
7074 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
7075 (tree_verify_flow_info): Verify that il.tree is not set for
7076 entry and exit block.
7077 (tree_split_block): Use set_bb_stmt_list.
7078
7079 2007-04-23 Mike Stump <mrs@apple.com>
7080
7081 * config/i386/i386.c (ix86_tune_features
7082 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
7083 nocona and core2.
7084
7085 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
7086
7087 * config/i386/i386.md (prefix_extra): New attribute.
7088 (length): Add prefix_extra.
7089
7090 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
7091 (sse2_movntv2di): Likewise.
7092 (sse2_cvtps2dq): Likewise.
7093 (sse2_cvtpd2pi): Likewise.
7094 (sse2_cvttpd2pi): Likewise.
7095 (*sse2_cvtpd2ps): Likewise.
7096 (*add<mode>3): Likewise.
7097 (sse2_ssadd<mode>3): Likewise.
7098 (sse2_usadd<mode>3): Likewise.
7099 (*sub<mode>3): Likewise.
7100 (sse2_sssub<mode>3): Likewise.
7101 (sse2_ussub<mode>3): Likewise.
7102 (*mulv8hi3): Likewise.
7103 (*smulv8hi3_highpart): Likewise.
7104 (*umulv8hi3_highpart): Likewise.
7105 (sse2_umulv2siv2di3): Likewise.
7106 (sse2_pmaddwd): Likewise.
7107 (ashr<mode>3): Likewise.
7108 (lshr<mode>3): Likewise.
7109 (ashl<mode>3): Likewise.
7110 (sse2_ashlti3): Likewise.
7111 (sse2_lshrti3): Likewise.
7112 (*umaxv16qi3): Likewise.
7113 (*smaxv8hi3): Likewise.
7114 (*uminv16qi3): Likewise.
7115 (*sminv8hi3): Likewise.
7116 (sse2_eq<mode>3): Likewise.
7117 (sse2_gt<mode>3): Likewise.
7118 (*and<mode>3): Likewise.
7119 (sse2_nand<mode>3): Likewise.
7120 (*ior<mode>3): Likewise.
7121 (*xor<mode>3): Likewise.
7122 (sse2_packsswb): Likewise.
7123 (sse2_packssdw): Likewise.
7124 (sse2_packuswb): Likewise.
7125 (sse2_punpckhbw): Likewise.
7126 (sse2_punpcklbw): Likewise.
7127 (sse2_punpckhwd): Likewise.
7128 (sse2_punpcklwd): Likewise.
7129 (sse2_punpckhdq): Likewise.
7130 (sse2_punpckldq): Likewise.
7131 (sse2_punpckhqdq): Likewise.
7132 (sse2_punpcklqdq): Likewise.
7133 (*sse2_pinsrw): Likewise.
7134 (*sse2_pextrw): Likewise.
7135 (sse2_pshufd_1): Likewise.
7136 (sse2_uavgv16qi3): Likewise.
7137 (sse2_uavgv8hi3): Likewise.
7138 (sse2_psadbw): Likewise.
7139 (sse2_pmovmskb): Likewise.
7140 (*sse2_maskmovdqu): Likewise.
7141 (*sse2_maskmovdqu_rex64): Likewise.
7142 (sse4a_extrqi): Likewise.
7143 (sse4a_extrq): Likewise.
7144 (sse3_lddqu): Set prefix_rep.
7145 (sse3_addsubv4sf3): Likewise.
7146 (sse3_haddv4sf3): Likewise.
7147 (sse3_hsubv4sf3): Likewise.
7148 (sse_cvtss2si): Likewise.
7149 (sse_cvtss2si_2): Likewise.
7150 (sse_cvtss2siq): Likewise.
7151 (sse_cvtss2siq_2): Likewise.
7152 (sse_cvttss2si): Likewise.
7153 (sse_cvttss2siq): Likewise.
7154 (sse2_cvttps2dq): Likewise.
7155 (sse3_movshdup): Likewise.
7156 (sse3_movsldup): Likewise.
7157 (sse2_cvtsd2si): Likewise.
7158 (sse2_cvtsd2si_2): Likewise.
7159 (sse2_cvtsd2siq): Likewise.
7160 (sse2_cvtsd2siq_2): Likewise.
7161 (sse2_cvttsd2si): Likewise.
7162 (sse2_cvttsd2siq): Likewise.
7163 (*sse2_cvtpd2dq): Likewise.
7164 (*sse2_cvttpd2dq): Likewise.
7165 (sse2_pshuflw_1): Likewise.
7166 (sse2_pshufhw_1): Likewise.
7167 (sse4a_insertqi): Likewise.
7168 (sse4a_insertq): Likewise.
7169 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
7170 (ssse3_phadddv4si3): Likewise.
7171 (ssse3_phaddswv8hi3): Likewise.
7172 (ssse3_phsubwv8hi3): Likewise.
7173 (ssse3_phsubdv4si3): Likewise.
7174 (ssse3_phsubswv8hi3): Likewise.
7175 (ssse3_pmaddubswv8hi3): Likewise.
7176 (ssse3_pmulhrswv8hi3): Likewise.
7177 (ssse3_pshufbv16qi3): Likewise.
7178 (ssse3_psign<mode>3): Likewise.
7179 (ssse3_palignrti): Likewise.
7180 (abs<mode>2): Likewise.
7181 (ssse3_phaddwv4hi3): Set prefix_extra.
7182 (ssse3_phadddv2si3): Likewise.
7183 (ssse3_phaddswv4hi3): Likewise.
7184 (ssse3_phsubwv4hi3): Likewise.
7185 (ssse3_phsubdv2si3): Likewise.
7186 (ssse3_phsubswv4hi3): Likewise.
7187 (ssse3_pmaddubswv4hi3): Likewise.
7188 (ssse3_pmulhrswv4hi3): Likewise.
7189 (ssse3_pshufbv8qi3): Likewise.
7190 (ssse3_psign<mode>3): Likewise.
7191 (ssse3_palignrdi): Likewise.
7192 (abs<mode>2): Likewise.
7193 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
7194 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
7195 (sse2_pmovmskb): Set mode to SI instead of V2DF.
7196
7197 2007-04-23 Nick Clifton <nickc@redhat.com>
7198
7199 * params.def: Fix formatting of emacs local variables.
7200
7201 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
7202
7203 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
7204 move if inter-unit move isn't allowed.
7205 Don't split moving the first element of V2DI to DI to inter-unit
7206 move if inter-unit move isn't allowed.
7207
7208 2007-04-23 Richard Guenther <rguenther@suse.de>
7209
7210 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
7211 and CDI_POST_DOMINATORS separately.
7212
7213 2007-04-23 Nick Clifton <nickc@redhat.com>
7214
7215 * c.opt (Wformat-contains-nul): Add warning attribute.
7216
7217 2007-04-23 Jan Hubicka <jh@suse.cz>
7218
7219 * function.c (init_function_start): Don't init line number info.
7220 (expand_function_end): Update.
7221 (reset_block_changes, record_block_change, finalize_block_changes,
7222 check_block_change, free_block_changes): Kill.
7223 * function.h (reset_block_changes, record_block_change,
7224 finalize_block_changes, check_block_change, free_block_changes):
7225 Remove prototypes.
7226 (struct function): Remove ib_boundaries_block.
7227 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
7228 Use curr_insn_locator to initialize locator.
7229 (emit_line_note): Remove.
7230 * cfgexpand.c (expand_gimple_cond_expr): Update.
7231 (construct_exit_block): Likewise.
7232 (tree_expand_cfg): Initialize/finalize locators.
7233 * expr.c (expand_expr_real): Update.
7234 * cfglayout.c (line_locators_locs, line_locators_lines,
7235 file_locators_locs, file_locators_files): Remove.
7236 (set_block_levels): Move to cfgexpand.c.
7237 (insn_locators_initialize): Remove.
7238 (pass_insn_locators_initialize): Remove.
7239 (locations_locators_locs, locations_locators_vals): New static vars.
7240 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
7241 Likewise.
7242 (insn_locators_alloc, insn_locators_finalize,
7243 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7244 New functions.
7245 (locator_location): New.
7246 (locator_line, locator_file): Rewrite.
7247 * rtl.h (emit_line_note): Kill.
7248 (insn_locators_alloc, insn_locators_finalize,
7249 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7250 Declare.
7251 * tree-inline.c (initialize_cfun): Do not initialize
7252 ib_boundaries_block.
7253 * passes.c (pass_insn_locators_initialize): Remove.
7254
7255 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
7256
7257 PR middle-end/31448
7258 * expr.c (reduce_to_bit_field_precision): Handle
7259 CONST_INT rtx's.
7260
7261 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
7262
7263 PR tree-optimization/24659
7264 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
7265 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
7266 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
7267 * genopinit.c (optabs): Rename vec_pack_mod_optab
7268 to vec_pack_trunc_optab.
7269 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
7270 early for scalar floating point operands for NOP_EXPR.
7271 (vectorizable_type_promotion): Ditto.
7272 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
7273 vec_pack_trunc_optab.
7274 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
7275
7276 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
7277 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
7278 Rename from VEC_PACK_MOD_EXPR.
7279 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
7280 * expr.c (expand_expr_real_1): Ditto.
7281 * tree-inline.c (estimate_num_insns_1): Ditto.
7282 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
7283
7284 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
7285 (vec_unpacks_lo_v4sf): Ditto.
7286 (vec_pack_trunc_v2df): Ditto.
7287 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
7288 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
7289 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
7290
7291 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
7292 vec_pack_mod_v8hi.
7293 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
7294
7295 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
7296 Rename from VEC_PACK_MOD_EXPR. This expression also represent
7297 packing of floating point operands.
7298 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
7299 represent unpacking of floating point operands.
7300 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
7301 [vec_unpacks_hi]: Ditto.
7302 [vec_unpacks_lo]: Ditto.
7303
7304 2007-04-22 Jan Hubicka <jh@suse.cz>
7305
7306 * final.c (rest_of_handle_final): Call
7307 targetm.asm_out.constructor/targetm.asm_out.destructor
7308 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
7309 proper priority via decl_*_priority_insert.
7310 * c-common.c (c_expand_body): Likewise.
7311
7312 2007-04-22 Richard Guenther <rguenther@suse.de>
7313
7314 PR tree-optimization/29789
7315 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
7316 (rewrite_reciprocal): New helper split out from
7317 determine_invariantness_stmt.
7318 (rewrite_bittest): Likewise.
7319 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
7320 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
7321 is not.
7322
7323 2007-04-22 Revital Eres <eres@il.ibm.com>
7324
7325 * loop-unroll.c (var_to_expand): New field to support also
7326 insns of the form x = something + x.
7327 (analyze_insn_to_expand_var): Use it.
7328 (expand_var_during_unrolling): Likewise.
7329
7330 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7331
7332 * predict.c: Include pointer-set.h.
7333 (bb_predictions): New variable.
7334 (tree_predicted_by_p, tree_predict_edge,
7335 remove_predictions_associated_with_edge): Use bb_predictions map
7336 instead of bb->predictions.
7337 (clear_bb_predictions, assert_is_empty): New functions.
7338 (combine_predictions_for_bb): Use bb_predictions map. Call
7339 clear_bb_predictions.
7340 (tree_estimate_probability): Create and free bb_predictions map.
7341 * Makefile.in (predict.o): Add pointer-set.h dependency.
7342 * basic-block.h (struct basic_block_def): Remove predictions
7343 field.
7344 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
7345
7346 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
7347
7348 PR target/31480
7349 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
7350 is null.
7351
7352 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7353
7354 * timevar.c (timevar_print): Change reference of --disable-checking to
7355 --enable-checking=release. Also warn if assert checking is disabled.
7356
7357 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7358
7359 PR C/30265
7360 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
7361 decl as addressable if the compound literal was marked as
7362 addressable.
7363 Mark the decl as a gimple register if it is a complex or
7364 vector decl and does not live in memory.
7365
7366 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7367
7368 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
7369 (GENERIC_NEXT): New function macro.
7370 (PHI_CHAIN): Use phi_node's new chain variable.
7371 (tree_phi_node): Change tree_common to tree_base
7372 and add the chain field.
7373 * tree-phinodes.c (make_phi_node): Don't set
7374 TREE_TYPE on the new node.
7375 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
7376 instead of checking GIMPLE_TUPLE_P in chain_next.
7377 * tree-vect-transform.c
7378 (get_initial_def_for_induction): Look at
7379 PHI_RESULT_TREE for the type of the phi node.
7380 (update_vuses_to_preheader): Use PHI_CHAIN
7381 instead of TREE_CHAIN on the phi node.
7382 * tree-ssa-structalias.c (compute_points_to_sets):
7383 Likewise.
7384 (ipa_pta_execute): Likewise.
7385
7386 2007-04-21 Richard Guenther <rguenther@suse.de>
7387
7388 PR middle-end/31136
7389 * fold-const.c (fold_unary): Call fold_convert_const on the
7390 original tree.
7391
7392 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
7393
7394 * gcse.c (store_killed_in_insn): Handle PARALLELs.
7395 (store_killed_in_pat): New.
7396
7397 2007-04-20 Richard Henderson <rth@redhat.com>
7398
7399 PR target/31628
7400 * config/i386/i386.c (type_has_variadic_args_p): Look for any
7401 TREE_LIST with a void_type_node value, not void_list_node exactly.
7402
7403 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
7404
7405 * doc/standards.texi: Re-arrange into language-specific
7406 subsections. Add a C++ section, documenting which standards we
7407 support.
7408
7409 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7410
7411 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
7412 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
7413
7414 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
7415
7416 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
7417 ecrti.o and crtbegin.o.
7418 (LIB_DEFAULT_SPEC): Include -lc.
7419 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
7420
7421 2007-04-20 Richard Henderson <rth@redhat.com>
7422
7423 PR target/28623
7424 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
7425 argument; update all callers.
7426 (get_unaligned_offset): New.
7427 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
7428 get_unaligned_address, just pass on the address directly.
7429 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
7430 the subreg in the helper patterns.
7431 (unaligned_extendqidi_le): Use get_unaligned_offset.
7432 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
7433 (unaligned_extendhidi_be): Likewise.
7434 (unaligned_extendhidi): Tidy.
7435 * config/alpha/alpha-protos.h: Update.
7436
7437 2007-04-20 Richard Henderson <rth@redhat.com>
7438
7439 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
7440 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
7441 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
7442 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7443 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7444 (CPP_SPEC): Don't include %(cpp_subtarget).
7445 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
7446 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7447 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
7448
7449 2007-04-20 Jakub Jelinek <jakub@redhat.com>
7450
7451 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
7452 for __builtin_ia32_cmpordss.
7453
7454 PR tree-optimization/31632
7455 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
7456 and arg1 for optimizations of comparison against min/max values.
7457 Fold arg0 to arg1's type for optimizations of comparison against
7458 min+1 and max-1 values.
7459
7460 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
7461
7462 * reload.c (combine_reloads): When trying to use a dying register,
7463 check whether it's uninitialized and don't use if so.
7464
7465 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
7466
7467 * fold-const.c: Remove prototypes for native_encode_expr and
7468 native_interpret_expr.
7469 (native_encode_expr): Make non-static.
7470 (native_interpret_expr): Likewise.
7471 * tree.h: Add prototypes for the above.
7472
7473 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7474
7475 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
7476 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
7477 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
7478 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
7479 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
7480 Add length attributes.
7481
7482 2007-04-19 Janis Johnson <janis187@us.ibm.com>
7483
7484 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
7485 not that it is 1.
7486
7487 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7488 __STDC_WANT_DEC_FP__.
7489
7490 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7491
7492 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
7493 for long double compatibility.
7494 * configure: Regenerate.
7495
7496 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
7497
7498 PR rtl-optimization/29841
7499 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
7500 trap instructions.
7501 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
7502 that may cause control flow transfer from being moved.
7503
7504 2007-04-18 Jan Hubicka <jh@suse.cz>
7505
7506 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
7507 types.
7508
7509 2007-04-18 Eric Christopher <echristo@apple.com>
7510
7511 * config/rs6000/darwin.md (load_macho_picbase): Use link register
7512 only. Update operands.
7513 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
7514 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7515 link register to pic register.
7516
7517 2007-04-18 Dirk Mueller <dmueller@suse.de>
7518
7519 PR diagnostic/31227
7520 * tree-vrp.c (search_for_addr_array): New.
7521 (check_array_bounds): Suppress warning about
7522 address taken of array refs if its not de-referenced.
7523
7524 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7525
7526 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
7527 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
7528
7529 * tree-vectorizer.h (NITERS_KNOWN_P): New.
7530 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
7531 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
7532
7533 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
7534 dump print.
7535 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
7536 print message.
7537 (vect_analyze_scalar_cycles): Fix indentation.
7538 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
7539 (vect_mark_relevant): Include phis in relevance analysis.
7540
7541 * tree-vect-transform.c (vect_transform_loop): Add an assert.
7542
7543 2007-04-18 Anatoly Sokolov <aesok@post.ru>
7544
7545 * config/avr/avr.c (ptrreg_to_str): Replace error() with
7546 output_operand_lossage().
7547
7548 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7549
7550 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
7551 the unused code for reduction without adjust-in-epilog to simplify the
7552 function.
7553
7554 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
7555
7556 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
7557 (S390_TDC_NEGATIVE_ZERO): New constant.
7558 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
7559 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
7560 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
7561 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
7562 (S390_TDC_POSITIVE_INFINITY): New constant.
7563 (S390_TDC_NEGATIVE_INFINITY): New constant.
7564 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
7565 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
7566 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
7567 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
7568 (S390_TDC_INFINITY): New constant.
7569 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
7570 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
7571 optimization for UNSPEC_CCZ_TO_INT.
7572 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
7573 ("*ccz_to_int"): New insn.
7574 ("isinf<mode>2"): New insn.
7575 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
7576 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
7577 (UNSPEC_CCZ_TO_INT): New constant.
7578
7579 2007-04-18 Richard Guenther <rguenther@suse.de>
7580
7581 PR tree-optimization/19431
7582 PR tree-optimization/21463
7583 * tree-pass.h (pass_phiprop): Declare.
7584 * passes.c (init_optimization_passes): New phiprop pass.
7585 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
7586 (phivn_valid_p): New helper function.
7587 (phiprop_insert_phi): Likewise.
7588 (propagate_with_phi): Likewise.
7589 (tree_ssa_phiprop): New propagator propagating loads
7590 through phi nodes if profitable.
7591
7592 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7593
7594 * tree-vect-analyze.c (process_use): New function.
7595 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
7596 Check phis in all bbs.
7597 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
7598 assert.
7599
7600 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
7601
7602 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
7603 we use REG_EQUAL.
7604
7605 2007-04-17 Anatoly Sokolov <aesok@post.ru>
7606
7607 PR target/30483
7608 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
7609 error().
7610
7611 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
7612
7613 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
7614 on "0".
7615 (sse_vmmulv4sf3): Likewise.
7616 (sse2_vmaddv2df3): Likewise.
7617 (sse2_vmmulv2df3): Likewise.
7618
7619 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
7620
7621 PR rtl-optimization/31360
7622 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
7623 (target_reg_cost): New.
7624 (init_set_costs): Initialize target_reg_cost. Add comments
7625 regarding the rationale of the costs.
7626 (global_cost_for_size): Renamed to...
7627 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
7628 of register pressure.
7629 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
7630 estimate_reg_pressure_cost. Add number of ivs.
7631 (determine_set_costs): Dump target_reg_cost.
7632 * loop-invariant.c (gain_for_invariant): Use
7633 estimate_reg_pressure_cost. Removed n_inv_uses argument.
7634 (best_gain_for_invariant, find_invariants_to_move): Remove
7635 n_inv_uses.
7636 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
7637 (target_reg_cost): Declare.
7638 (global_cost_for_size): Declaration removed.
7639 (estimate_reg_pressure_cost): Declare.
7640
7641 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
7642
7643 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
7644 regnos into even/odd register pairs.
7645 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
7646 TDmode similar to the other floating point modes.
7647 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
7648 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
7649 define_expand's.
7650 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
7651 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
7652 (movdd_hardfloat64): Use TARGET_MFPGPR.
7653
7654 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
7655
7656 * reload1.c (delete_output_reload): Don't count output in n_inherited.
7657
7658 Revert
7659 2005-01-05 Richard Henderson <rth@redhat.com>
7660 PR rtl-opt/10692
7661 * reload1.c (do_input_reload): Restrict the optimization deleteing
7662 a previous output reload to RELOAD_FOR_INPUT.
7663
7664 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
7665
7666 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
7667 induc_vec_info_type.
7668 (vectorizable_induction): New function declaration.
7669 * tree-vect-transform.c (get_initial_def_for_induction): No need to
7670 check if already vectorized. Find first place in BB where new stmts
7671 can be inserted. Takes only one argument.
7672 (vectorizable_induction): New function.
7673 (vect_transform_stmt): Add case for induc_vec_info_type to call
7674 vectorizable_induction.
7675 (vect_transform_loop): Consider phis for vectorization.
7676 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
7677 condition.
7678 (analyze_operations): Call vectorizable_induction when analyzing phis.
7679 Fix comment.
7680 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
7681 (vect_mark_relevant): Include phis in relevance analysis.
7682 (vect_mark_stmts_to_be_vectorize): Likewise.
7683 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
7684
7685 2007-04-16 Lawrence Crowl <crowl@google.com>
7686
7687 * doc/invoke.texi (Debugging Options): Add documentation for the
7688 -femit-struct-debug options -femit-struct-debug-baseonly,
7689 -femit-struct-debug-reduced, and
7690 -femit-struct-debug-detailed[=...].
7691
7692 * c-opts.c (c_common_handle_option): Add
7693 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
7694 and OPT_femit_struct_debug_detailed_.
7695 * c.opt: Add specifications for
7696 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
7697 and -femit-struct-debug-detailed[=...].
7698 * opts.c (set_struct_debug_option): Parse the
7699 -femit-struct-debug-... options.
7700 * opts.c (matches_main_base, main_input_basename,
7701 main_input_baselength, base_of_path, matches_main_base): Add
7702 variables and functions to compare header base name to compilation
7703 unit base name.
7704 * opts.c (should_emit_struct_debug): Add to determine to emit a
7705 structure based on the option.
7706 (dump_struct_debug) Also disabled function to debug this
7707 function.
7708 * opts.c (handle_options): Save the base name of the
7709 compilation unit.
7710
7711 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
7712 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
7713 This hook indicates if a type is generic. Set it by default
7714 to "never generic".
7715 * langhooks.h (struct lang_hooks_for_types): Add a new hook
7716 to determine if a struct type is generic or not.
7717 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
7718 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
7719 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
7720 with live C++ hook.
7721
7722 * flags.h (enum debug_info_usage): Add an enumeration to describe
7723 a program's use of a structure type.
7724 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
7725 to indicate the program's usage of the type. Filter structs based
7726 on the -femit-struct-debug-... specification.
7727 (gen_type_die): Split into two routines, gen_type_die and
7728 gen_type_die_with_usage. gen_type_die is now a wrapper
7729 that assumes direct usage.
7730 (gen_type_die_with_usage): Replace calls to gen_type_die
7731 with gen_type_die_with_usage adding the program usage of
7732 the referenced type.
7733 (dwarf2out_imported_module_or_decl): Suppress struct debug
7734 information using should_emit_struct_debug when appropriate.
7735
7736 2007-04-16 Ian Lance Taylor <iant@google.com>
7737
7738 PR tree-optimization/31522
7739 * tree-vrp.c (vr_phi_edge_counts): New static variable.
7740 (vrp_initialize): Allocate vr_phi_edge_counts.
7741 (vrp_visit_phi_node): Don't push to infinity if we saw a new
7742 executable edge. Drop test for all constants.
7743 (vrp_finalize): Free vrp_phi_edge_counts.
7744
7745 * doc/cpp.texi (Common Predefined Macros): Clarify description of
7746 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7747
7748 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
7749 predecessors at head rather than tail.
7750
7751 2007-04-16 Matthias Klose <doko@debian.org>
7752
7753 * config/alpha/linux.h (CPP_SPEC): Define.
7754 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
7755
7756 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
7757
7758 * function.h: Remove sequence_stack extern declaration.
7759
7760 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7761
7762 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
7763 TARGET_FIDOA.
7764 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
7765 defined.
7766
7767 2007-04-16 Anatoly Sokolov <aesok@post.ru>
7768
7769 * config/avr/avr.c (avr_arch_types): Rearranging array.
7770 (enum avr_arch): Add.
7771 (avr_mcu_types): Use avr_arch enumeration constants instead of
7772 numbers.
7773 * config/avr/avr.h (LINK_SPEC): Simplify.
7774
7775 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
7776
7777 * config/m68k/m68k.c (m68k_libcall_value,
7778 m68k_function_value): Use macros for register names more.
7779
7780 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
7781 instead.
7782 (M68K_REGNAME): Use A6_REG.
7783 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
7784
7785 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7786
7787 PR middle-end/28071
7788 * sched-int.h (struct deps): Split field 'pending_lists_length' into
7789 'pending_read_list_length' and 'pending_write_list_length'. Update
7790 comment.
7791 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
7792 to handle two length counters instead of one. Update all uses.
7793 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
7794 two length counters instead of one.
7795 * sched-rgn.c (propagate_deps): Update to handle two length counters
7796 instead of one.
7797
7798 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
7799
7800 PR target/31582
7801 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
7802 copy of source, pass it to ix86_expand_vector_set and return
7803 it as target.
7804
7805 2007-04-16 David Ung <davidu@mips.com>
7806 Joseph Myers <joseph@codesourcery.com>
7807
7808 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
7809 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
7810 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
7811 Add 74K processor information.
7812 * config/mips/mips.md: Include 74k.md.
7813 (cpu): Add 74kc,74kf,74kx.
7814 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
7815 * config/mips/74k.md: New.
7816 * doc/invoke.texi (MIPS Options): Document 74K support.
7817
7818 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
7819
7820 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
7821 vectorizable_* functions.
7822 * tree-vect-transform.c (vectorizable_call): Add check for
7823 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
7824 (vectorizable_store): likewise.
7825 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
7826 Add comments.
7827 (vectorizable_operation, vectorizable_type_demotion): Likewise.
7828 (vectorizable_type_promotion, vectorizable_load): Likewise.
7829 (vectorizable_live_operation, vectorizable_condition): Likewise.
7830 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
7831 STMT_VINFO_LIVE_P.
7832 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
7833
7834 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7835
7836 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
7837 register numbers more.
7838 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
7839 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
7840 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
7841 FUNCTION_VALUE_REGNO_P): Likewise.
7842 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
7843 STATIC_CHAIN_REGNUM): Likewise.
7844 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
7845 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
7846 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
7847 * config/m68k/m68k.md (FP_REG): New.
7848
7849 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7850
7851 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
7852 alignment on fido.
7853
7854 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
7855
7856 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
7857 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
7858 comment typos.
7859
7860 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
7861
7862 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
7863 cold loops.
7864
7865 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
7866
7867 PR c/31520
7868 * c-decl.c (finish_decl): Grab the type of the decl after the call
7869 to store_init_value.
7870
7871 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
7872
7873 * common.opt (fforward-propagate): Fix "Optimization" annotation.
7874
7875 2007-04-14 Jakub Jelinek <jakub@redhat.com>
7876
7877 PR c++/25874
7878 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
7879 dominators, post dominators and cleanup cfg before returning.
7880
7881 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
7882
7883 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
7884 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
7885
7886 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
7887
7888 * config.gcc: Recognize fido.
7889 * config/m68k/m68k-devices.def (fidoa): New.
7890 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
7891 __mfido__.
7892 (FL_FIDOA, TARGET_FIDOA): New.
7893 * config/m68k/m68k.opt (mfidoa): New.
7894
7895 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7896
7897 PR middle-end/31322
7898 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
7899 when a personality function is used.
7900
7901 2007-04-13 Bob Wilson <bob.wilson@acm.org>
7902
7903 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
7904
7905 2007-04-13 Mike Stump <mrs@apple.com>
7906
7907 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
7908 we can...
7909 * config/darwin.opt (fapple-kext): Make C++ only.
7910 * config/darwin.c (darwin_override_options): Remove code to ensure
7911 -fapple-kext is given for C++ only.
7912
7913 2007-04-13 Richard Sandiford <richard@codesourcery.com>
7914
7915 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
7916 * config/mips/mips.c (override_options): Call
7917 SUBTARGET_OVERRIDE_OPTIONS, if defined.
7918
7919 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7920
7921 * config/i386/i386.opt (msvr3-shlib): Removed.
7922
7923 * doc/invoke.texi: Remove -msvr3-shlib.
7924
7925 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
7926
7927 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
7928 with "popcnt" instruction.
7929
7930 2007-04-13 Richard Guenther <rguenther@suse.de>
7931
7932 PR tree-optimization/21258
7933 * tree-vrp.c (compare_case_labels): New helper.
7934 (find_switch_asserts): New function.
7935 (find_assert_locations): Call it for SWITCH_EXPRs.
7936
7937 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
7938
7939 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
7940 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
7941 check is now implied in X87_FLOAT_MODE_P.
7942 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
7943 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
7944 (fix_trunc<mode>_i386_fisttp): Ditto.
7945 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
7946 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
7947 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
7948 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
7949 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
7950 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
7951 (unnamed_splitters): Ditto.
7952 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
7953 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
7954 FIRST_SSE_REG for local functions when SSE math is enabled or
7955 for functions with sseregparm attribute.
7956 (standard_80387_constant_p): Return -1 if mode is not
7957 X87_FLOAT_MODE_P.
7958 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
7959 (ix86_expand_compare): Ditto.
7960 (ix86_expand_carry_flag_compare): Ditto.
7961 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
7962 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
7963 DECIMAL_FLOAT_MODE_P.
7964 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
7965 of SCALAR_FLOAT_MODE_P.
7966 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
7967 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
7968 checks before FLOAT_MODE_P.
7969 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
7970 before FLOAT_MODE_P.
7971 [DIV]: Ditto.
7972 [NEG]: Ditto.
7973 [ABS]: Ditto.
7974 [SQRT]: Ditto.
7975 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
7976
7977 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
7978 Charles Wilson <libtool@cwilson.fastmail.fm>
7979
7980 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
7981 (libgcc.mvars): Don't depend on them.
7982 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
7983 * exec-tool.in: New.
7984
7985 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
7986
7987 * doc/invoke.text (--help): Document --help=common.
7988
7989 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
7990
7991 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
7992
7993 2007-04-12 Richard Sandiford <richard@codesourcery.com>
7994
7995 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
7996 * genemit.c (main): Emit #include "integrate.h".
7997 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
7998 (LOADGP_RTP): New mips_loadgp_style.
7999 * config/mips/mips.h: Include config/vxworks-dummy.h.
8000 (TARGET_RTP_PIC): New macro.
8001 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
8002 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
8003 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
8004 for TARGET_RTP_PIC.
8005 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
8006 -mvxworks-pic when using -mrtp and a PIC option.
8007 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
8008 for RTP PIC.
8009 (mips_symbolic_constant_p, mips_symbolic_address_p)
8010 (mips_symbol_insns): Handle SYMBOL_HALF.
8011 (override_options): Warn about -G and -mrtp being used together.
8012 Initialize mips_lo_relocs[SYMBOL_HALF].
8013 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
8014 (mips_emit_loadgp): Handle LOADGP_RTP.
8015 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
8016 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
8017 (tablejump): Handle function-relative case table entries if
8018 TARGET_RTP_PIC.
8019 * config/mips/predicates.md (symbol_ref_operand): New predicate.
8020
8021 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8022
8023 * config/mips/mips.md (load_call<mode>): Allow any general register.
8024 destination.
8025 (sibcall_value_internal, sibcall_value_multiple_internal)
8026 (call_value_internal, call_value_split, call_value_multiple_internal)
8027 (call_value_multiple_split): Remove constraints from operand 0.
8028
8029 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8030
8031 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
8032 rather than loadgp_noshared.
8033 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
8034 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
8035 gen_loadgp.
8036 * config/mips/mips.md (loadgp): Rename to...
8037 (loadgp_newabi): ...this.
8038 (loadgp_noshared): Rename to...
8039 (loadgp_absolute): ...this.
8040
8041 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8042
8043 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
8044 false for locally-binding symbols.
8045 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
8046
8047 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8048
8049 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
8050 (SYMBOL_GOT_PAGE_OFST): ...this.
8051 (SYMBOL_GOT_GLOBAL): Rename to...
8052 (SYMBOL_GOT_DISP): ...this.
8053 (SYMBOL_GOTOFF_GLOBAL): Rename to...
8054 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
8055 * config/mips/mips.c (mips_global_symbol_p): New function.
8056 (mips_symbol_binds_local_p): Likewise.
8057 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
8058 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use
8059 mips_global_symbol_p and mips_symbol_binds_local_p.
8060 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
8061 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
8062 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
8063 SYMBOL_GOTOFF_DISP.
8064 (mips_ok_for_lazy_binding_p): New function.
8065 (mips_load_call_address, mips_expand_call): Use it.
8066 (mips_dangerous_for_la25_p): Likewise.
8067 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
8068 (*got_disp<mode>): Use got_disp_operand instead of
8069 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
8070 SYMBOL_GOTOFF_GLOBAL.
8071 (*got_page<mode>): Use got_page_ofst_operand instead of
8072 local_got_operand.
8073 * config/mips/predicates.md (const_call_insn_operand): Use
8074 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
8075 (global_got_operand): Rename to...
8076 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
8077 SYMBOL_GOT_GLOBAL.
8078 (local_got_operand): Rename to...
8079 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
8080 of SYMBOL_GOT_LOCAL.
8081
8082 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8083
8084 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
8085 TARGET_CALL_CLOBBERED_GP.
8086 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8087 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
8088 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
8089 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
8090 of TARGET_ABICALLS && !TARGET_NEWABI.
8091 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8092 * config/mips/mips.c (mips_load_call_address): Check
8093 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
8094 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8095 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
8096 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
8097 TARGET_ABICALLS && TARGET_NEWABI.
8098 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
8099 TARGET_ABICALLS.
8100 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
8101 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
8102 TARGET_ABICALLS && TARGET_NEWABI.
8103 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
8104 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
8105 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
8106 whether indirect calls must use $25.
8107 (mips_extra_live_on_entry): Check TARGET_GOT instead of
8108 TARGET_ABICALLS.
8109 * config/mips/mips.md (jal_macro): Check flag_pic and
8110 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
8111 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
8112 instead of TARGET_ABICALLS.
8113 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
8114 TARGET_ABICALLS && TARGET_OLDABI.
8115 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8116 (sibcall): In the comment above the define_insn, mention
8117 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
8118 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
8119 instead of TARGET_ABICALLS.
8120
8121 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
8122
8123 * doc/md.texi (Blackfin family constraints): Document PA and PB.
8124 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
8125 (MACFLAGS_MATCH_P): New macro.
8126 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
8127 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
8128 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
8129 the other MACFLAG constants.
8130 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
8131 (flag_machi): Tighten constraints. Renumber some of the operands.
8132 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
8133 output template.
8134 (flag_machi_parts_acconly): New pattern.
8135 (flag_macinithi): Tighten constraints. Allow any accumulator to be
8136 used.
8137 (flag_macinit1hi): Tighten constraints.
8138 (flag_mul_macv2hi_parts_acconly): New pattern.
8139
8140 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
8141 Use a more efficient implementation.
8142 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
8143 inline sequences when not optimizing for size.
8144
8145 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
8146 movhi_high2low): Delete, merge functionality into...
8147 (packv2hi): ... this pattern.
8148
8149 2007-02-11 Jie Zhang <jie.zhang@analog.com>
8150 * config/bfin/bfin.opt (msim): New option.
8151 (mcpu=): New option.
8152 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
8153 (bfin_cpu_t): Typedef of enum bfin_cpu.
8154 (bfin_cpu_type): New declaration.
8155 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
8156 -msim and -mcpu= options.
8157 (LIB_SPEC): Likewise.
8158 * config/bfin/bfin.c (bfin_cpu_type): Define.
8159 (bfin_handle_option): Handle -mcpu= option.
8160 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
8161 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
8162 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
8163
8164 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8165
8166 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
8167 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
8168 (powerpc-wrs-vxworksae): Use ${tm_file}.
8169 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
8170 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
8171 * config/i386/vx-common.h: New file.
8172
8173 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8174
8175 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
8176 of crt0.o%s.
8177
8178 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
8179
8180 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
8181 ldxtr.
8182
8183 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
8184
8185 PR c++/31078
8186 PR c++/31103
8187 * c-common.c (c_build_qualified_type): Set canonical type
8188 appropriately.
8189
8190 2007-04-12 Richard Guenther <rguenther@suse.de>
8191
8192 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
8193 lower bound and element size if lower bound is not zero
8194 or either of the ARRAY_REF operands is set.
8195
8196 2007-04-12 Richard Guenther <rguenther@suse.de>
8197
8198 PR tree-optimization/24689
8199 PR tree-optimization/31307
8200 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
8201 indices by value.
8202 * gimplify.c (canonicalize_addr_expr): To be consistent with
8203 gimplify_compound_lval only set operands two and three of
8204 ARRAY_REFs if they are not gimple_min_invariant. This makes
8205 it never at this place.
8206 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
8207
8208 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8209
8210 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
8211 null before emitting a .nsubspa directive.
8212
8213 2007-04-11 Diego Novillo <dnovillo@redhat.com>
8214
8215 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
8216 need_to_partition_p if there are no memory statements in the
8217 function.
8218
8219 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8220
8221 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
8222 (gcd_of_steps_may_divide_p): New function.
8223 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
8224
8225 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
8226
8227 * reload.c (find_reloads_toplev, find_reloads_address,
8228 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
8229 not a pointer equality test, to decide if we need to call
8230 push_reg_equiv_alt_mem.
8231
8232 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
8233
8234 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
8235 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
8236 New.
8237 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
8238
8239 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8240
8241 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
8242 vector to be positive.
8243
8244 2007-04-11 Diego Novillo <dnovillo@redhat.com>
8245
8246 PR 30735
8247 PR 31090
8248 * doc/invoke.texi: Document --params max-aliased-vops and
8249 avg-aliased-vops.
8250 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
8251 debug_memory_partitions): Move to tree-flow.h
8252 * params.h (AVG_ALIASED_VOPS): Define.
8253 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
8254 users.
8255 (mp_info_t): Likewise.
8256 (get_mem_sym_stats_for): New.
8257 (set_memory_partition): Move from tree-flow-inline.h.
8258 (mark_non_addressable): Only clear the set of symbols for the
8259 partition if it exists.
8260 (dump_memory_partitions): Move from tree-ssa-operands.c
8261 (debug_memory_partitions): Likewise.
8262 (need_to_partition_p): New.
8263 (dump_mem_ref_stats): New.
8264 (debug_mem_ref_stats): New.
8265 (dump_mem_sym_stats): New.
8266 (debug_mem_sym_stats): New.
8267 (update_mem_sym_stats_from_stmt): New.
8268 (compare_mp_info_entries): New.
8269 (mp_info_cmp): Call it.
8270 (sort_mp_info): Change argument to a list of mem_sym_stats_t
8271 objects.
8272 (get_mpt_for): Move from tree-ssa-operands.c.
8273 (find_partition_for): New.
8274 (create_partition_for): Remove.
8275 (estimate_vop_reduction): New.
8276 (update_reference_counts): New.
8277 (build_mp_info): New.
8278 (compute_memory_partitions): Refactor.
8279 Document new heuristic.
8280 Call build_mp_info, update_reference_counts,
8281 find_partition_for and estimate_vop_reduction.
8282 (compute_may_aliases): Populate virtual operands before
8283 calling debugging dumps.
8284 (delete_mem_sym_stats): New.
8285 (delete_mem_ref_stats): New.
8286 (init_mem_ref_stats): New.
8287 (init_alias_info): Call it.
8288 (maybe_create_global_var): Remove alias_info argument.
8289 Get number of call sites and number of pure/const call sites
8290 from gimple_mem_ref_stats().
8291 (dump_alias_info): Call dump_memory_partitions first.
8292 (dump_points_to_info_for): Show how many times a pointer has
8293 been dereferenced.
8294 * opts.c (decode_options): For -O2 set --param
8295 max-aliased-vops to 500.
8296 For -O3 set --param max-aliased-vops to 1000 and --param
8297 avg-aliased-vops to 3.
8298 * fortran/options.c (gfc_init_options): Remove assignment to
8299 MAX_ALIASED_VOPS.
8300 * tree-flow-inline.h (gimple_mem_ref_stats): New.
8301 * tree-dfa.c (dump_variable): Dump memory reference
8302 statistics.
8303 Dump NO_ALIAS* settings.
8304 (referenced_var_lookup): Tidy.
8305 (mem_sym_stats): New.
8306 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
8307 and ORIG are different SSA names for a memory partition.
8308 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
8309 * tree-flow.h (struct mem_sym_stats_d): Define.
8310 (mem_sym_stats_t): Define.
8311 (struct mem_ref_stats_d): Define.
8312 (struct gimple_df): Add field mem_ref_stats.
8313 (enum noalias_state): Define.
8314 (struct var_ann_d): Add bitfield noalias_state.
8315 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
8316 debug_mem_ref_stats, debug_memory_partitions,
8317 debug_mem_sym_stats): Declare.
8318 * tree-ssa-structalias.c (update_alias_info): Update call
8319 sites, pure/const call sites and asm sites in structure
8320 returned by gimple_mem_ref_stats.
8321 Remove local variable IS_POTENTIAL_DEREF.
8322 Increase NUM_DEREFS if the memory expression is a potential
8323 dereference.
8324 Call update_mem_sym_stats_from_stmt.
8325 If the memory references memory, call
8326 update_mem_sym_stats_from_stmt for all the direct memory
8327 symbol references found.
8328 (intra_create_variable_infos): Set noalias_state field for
8329 pointer arguments according to the value of
8330 flag_argument_noalias.
8331 * tree-ssa-structalias.h (struct alias_info): Remove fields
8332 num_calls_found and num_pure_const_calls_found.
8333 (update_mem_sym_stats_from_stmt): Declare.
8334 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
8335 Set default value to 100.
8336 (PARAM_AVG_ALIASED_VOPS): Define.
8337
8338 2007-04-11 Richard Guenther <rguenther@suse.de>
8339
8340 PR middle-end/31530
8341 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
8342 a * -b + c as c - a * b if we honor sign dependent rounding.
8343
8344 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
8345
8346 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
8347 bfin_expand_strmov.
8348 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
8349 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
8350 variables.
8351 (initialize_trampoline): Don't use old-style function definition.
8352 (bfin_secondary_reload): Mark IN_P argument as unused.
8353
8354 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
8355
8356 PR tree-optimization/31343
8357 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
8358 (build_polynomial_chrec): Return a scalar when the evolution is zero.
8359 * testsuite/gcc.dg/vect/pr31343.c: New.
8360
8361 2007-04-10 Eric Christopher <echristo@apple.com>
8362
8363 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
8364 * config/i386/i386.md (*cmpfp0): Use.
8365 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
8366 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
8367 (fix_trunc<mode>_i386_fisttp): Ditto.
8368 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
8369 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
8370 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
8371 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
8372 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
8373 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
8374 (unnamed_splitters): Ditto.
8375 * config/i386/i386.c (output_fix_trunc): Assert that
8376 we're not being passed a TFmode operand.
8377
8378 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
8379
8380 PR tree-optimization/31526
8381 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
8382 n_basic_blocks to find newly added blocks.
8383
8384 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
8385
8386 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
8387 alternative.
8388 (fix_trunc<mode>si_sse): Ditto.
8389 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
8390 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
8391 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
8392 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
8393 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
8394 expander using SSEMODEF mode macro.
8395 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
8396 expander using SSEMODEF mode macro.
8397 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
8398 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
8399 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
8400 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
8401 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
8402 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
8403 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
8404 Macroize insn using X87MODEF mode macro.
8405
8406 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
8407
8408 * config/i386/sse.md (sse2_pinsrw): Removed.
8409 (sse2_pextrw): Renamed to ...
8410 (*sse2_pextrw): This.
8411
8412 2007-04-09 Jan Hubicka <jh@suse.cz>
8413
8414 PR target/27869
8415 * config/i386/sse.md
8416 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
8417 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
8418 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
8419 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
8420
8421 2007-04-09 Jan Hubicka <jh@suse.cz>
8422
8423 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
8424 multiple fields of union.
8425
8426 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
8427
8428 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
8429 (create_preheaders): Check that loops are available.
8430 (fix_loop_structure): Clean up, improve comments.
8431 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
8432 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
8433 state flags.
8434 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
8435 * predict.c (tree_estimate_probability): Do not call
8436 calculate_dominance_info. Call create_preheaders.
8437 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
8438 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
8439 flags.
8440 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
8441 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
8442 * tree-cfg.c (tree_split_edge): Make an assert more precise.
8443 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
8444 arguments.
8445
8446 2007-04-08 Jan Hubicka <jh@suse.cz>
8447
8448 * tree.h (maybe_fold_offset_to_component_ref): Declare.
8449 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
8450 * fold-const.c (fold_unary): Use it.
8451
8452 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
8453
8454 * varasm.c (assemble_variable): Remove call to
8455 lang_hooks.decls.prepare_assemble_variable.
8456 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
8457 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
8458 * langhooks.h (lang_hooks_for_decls): Remove
8459 prepare_assemble_variable.
8460
8461 2007-04-08 Mike Stump <mrs@apple.com>
8462
8463 * config/i386/i386.c: Use inc/dec on Core2.
8464
8465 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
8466
8467 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
8468 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8469 lhd_tree_inlining_end_inlining): Remove.
8470 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
8471 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
8472 end_inlining hooks.
8473 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
8474 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8475 lhd_tree_inlining_end_inlining): Remove prototypes.
8476 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
8477 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8478 LANG_HOOKS_TREE_INLINING_START_INLINING,
8479 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
8480
8481 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
8482 not set it.
8483
8484 2007-04-08 Anatoly Sokolov <aesok@post.ru>
8485
8486 PR target/29932
8487 * config/avr/predicates.md (io_address_operand): Delete predicate.
8488 (low_io_address_operand): Don't use 'mode' argument.
8489 (higth_io_address_operand): Rename ...
8490 (high_io_address_operand): ... to this. Don't use 'mode' argument.
8491 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
8492 for above change.
8493
8494 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
8495
8496 Revert change removing staticp.
8497
8498 2007-04-07 Anatoly Sokolov <aesok@post.ru>
8499
8500 PR target/30289
8501 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
8502 earlyclobber.
8503
8504 2007-04-07 Bruce Korb <bkorb@gnu.org>
8505
8506 * c.opt: Add -Wformat-contains-nul.
8507 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
8508 -Wformat setting.
8509 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
8510 the NUL byte warning.
8511
8512 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
8513
8514 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
8515
8516 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8517
8518 * tree.c (staticp): No longer use staticp langhook.
8519 * langhooks.c (lhd_staticp): Removed.
8520 * langhooks.h (struct lang_hooks): Remove staticp.
8521 * c-common.c (c_staticp): Remove.
8522 * c-common.h (c_staticp): Ditto.
8523 * langhooks-defs.h (lhd_staticp): Ditto.
8524 (LHD_HOOKS_STATICP): Ditto
8525 * tree.h (gcc_assert_lowered): New macro.
8526
8527 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
8528
8529 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
8530 argument "reliable".
8531 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
8532 Add argument "reliable". Propagate it through calls.
8533 (infer_loop_bounds_from_undefined): Derive number of iterations
8534 estimates from references in blocks that do not dominate loop latch.
8535 (gcov_type_to_double_int): New function.
8536 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
8537 and expected_loop_iterations_unbounded.
8538 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
8539 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
8540 * tree-data-ref.c (estimated_loop_iterations): Export.
8541 (get_references_in_stmt): Fix -- do not return addresses of local
8542 objects.
8543 * cfgloop.h (expected_loop_iterations_unbounded,
8544 estimated_loop_iterations): Declare.
8545
8546 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
8547
8548 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
8549
8550 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8551
8552 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8553 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
8554 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
8555 Use output_387_reg_move().
8556 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
8557 expander using X87MODEF12 mode macro.
8558 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
8559 choosing register preferences. Use output_387_reg_move().
8560 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
8561 instead of "x". Use output_387_reg_move().
8562 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
8563 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
8564 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
8565 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
8566 Use output_387_reg_move().
8567 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
8568 mode macro.
8569 (*truncxf?f_i387 splitter): Ditto.
8570
8571 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8572
8573 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8574 LANG_HOOKS_SAFE_FROM_P.
8575 * expr.c (safe_from_p): Remove langhook call.
8576 * langhooks.h (lang_hooks): Remove safe_from_p.
8577 (lhd_safe_from_p): Remove prototype.
8578 * langhooks.c (lhd_safe_from_p): Remove.
8579
8580 2007-04-06 Jan Hubicka <jh@suse.cz>
8581
8582 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
8583 functions.
8584
8585 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8586
8587 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
8588 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
8589 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
8590 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
8591 alternative.
8592 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
8593 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
8594
8595 2007-04-05 Richard Henderson <rth@redhat.com>
8596
8597 * config/alpha/alpha.c (print_operand) [+]: Remove.
8598 (alpha_end_function): Print nop if call at end of function.
8599 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
8600 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
8601 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
8602 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
8603 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
8604 the call pattern. Update peepholes to match.
8605
8606 2007-04-05 Janis Johnson <janis187@us.ibm.com>
8607
8608 * doc/extend.texi (Other Builtins): Add decimal float variants
8609 of signbit.
8610 * builtins.def: Ditto.
8611 * builtins.c (expand_builtin): Ditto.
8612
8613 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
8614 H.J. Lu <hongjiu.lu@intel.com>
8615
8616 PR target/31478
8617 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
8618 of V8HImode when calling ix86_binary_operator_ok.
8619 (sse2_pmaddwd): Call ix86_binary_operator_ok.
8620 (sdot_prodv8hi): Operands 1 and 2 must be register.
8621
8622 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8623
8624 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
8625 initialize align to silence bogus warning.
8626
8627 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8628
8629 PR middle-end/22156
8630 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
8631 all_no_warning.
8632 (struct sra_walk_fns): Remove use_all parameter from use.
8633 (sra_hash_tree): Handle BIT_FIELD_REFs.
8634 (sra_elt_hash): Don't hash bitfld blocks.
8635 (sra_elt_eq): Skip them in parent compares as well. Handle
8636 BIT_FIELD_REFs.
8637 (sra_walk_expr): Don't maintain or pass down use_all_p.
8638 (scan_use): Remove use_all parameter.
8639 (scalarize_use): Likewise. Re-expand assignment to
8640 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
8641 output, and re-scalarize after output. Don't mark anything
8642 for no warning.
8643 (scalarize_ldst): Adjust.
8644 (scalarize_walk_gimple_modify_statement): Likewise.
8645 (build_element_name_1): Handle BIT_FIELD_REFs.
8646 (instantiate_element): Don't warn for any element whose parent
8647 is used as a whole.
8648 (instantiate_missing_elements_1): Return the sra_elt.
8649 (canon_type_for_field): New.
8650 (try_instantiate_multiple_fields): New.
8651 (instantiate_missing_elemnts): Use them.
8652 (mark_no_warning): Removed.
8653 (generate_one_element_ref): Handle BIT_FIELD_REFs.
8654 (REPLDUP, sra_build_elt_assignment): New.
8655 (generate_copy_inout): Use them.
8656 (generate_element_copy): Likewise. Handle bitfld differences.
8657 (generate_element_zero): Don't recurse for blocks. Use
8658 sra_build_elt_assignment.
8659 (generate_one_element_int): Take elt instead of var. Use
8660 sra_build_elt_assignment.
8661 (generate_element_init_1): Adjust.
8662 (scalarize_use, scalarize_copy): Use REPLDUP.
8663 (scalarize_ldst): Move assert before dereference.
8664 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
8665
8666 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8667
8668 * regmove.c: Fix unused variable warnings due to previous commit.
8669
8670 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8671
8672 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
8673 (regmove_bb_head): Remove.
8674 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
8675 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
8676 problems with fixup_match_1.
8677 Don't initialize/free regmove_bb_head.
8678
8679 (reg_is_remote_constant_p): If an insn is in the same basic block
8680 but not before INSN, consider it remote, too.
8681
8682 2007-04-05 Anatoly Sokolov <aesok@post.ru>
8683
8684 PR target/25448
8685 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
8686 DECL_ASSEMBLER_NAME, not the DECL_NAME.
8687
8688 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
8689
8690 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
8691 (CONDITIONAL_REGISTER_USAGE): Likewise.
8692
8693 2007-04-04 Richard Henderson <rth@redhat.com>
8694
8695 * config/alpha/lib1funcs.asm: Remove unused file.
8696
8697 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8698
8699 PR other/31356
8700 * opts.c (print_specific_help): Fix --help=<language>
8701 header line.
8702 (common_handle_option): Support --help=common.
8703
8704 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8705
8706 PR other/31353
8707 * gcc.c (main): Do not run the linker if
8708 print_subprocess_help indicates that it shouldn't be
8709 run.
8710
8711 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8712
8713 PR doc/31355
8714 * doc/invoke.texi (--help=): Document <languages> value, fix
8715 formatting in tables of values.
8716
8717 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
8718
8719 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
8720 dllimport attribute of virtual methods.
8721
8722 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
8723
8724 * config/score/crti.asm: Change _bss_start to __bss_start.
8725 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
8726 (OUTGOING_REG_PARM_STACK_SPACE) update.
8727 * config/score/score.opt: add options to make backend support
8728 score5, score5u, score7 and score7d.
8729 * config/score/score.md: Likewise.
8730 * config/score/misc.md: Likewise.
8731 * config/score/mac.md: Likewise.
8732 * doc/invoke.texi: Likewise.
8733 * doc/md.texi: update constraints define.
8734
8735 2007-04-03 Richard Henderson <rth@redhat.com>
8736
8737 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
8738 an appropriate type, use the mode instead.
8739
8740 2007-04-03 Richard Sandiford <richard@codesourcery.com>
8741
8742 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
8743 Set the default --with-arch setting to mips2.
8744 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
8745 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
8746 (MULTILIB_OSDIRNAMES): Delete.
8747 (MULTILIB_DIRNAMES): Define.
8748 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
8749 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
8750 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
8751 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
8752 VXWORKS_OS_CPP_BUILTINS.
8753 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
8754 (MIPS_DEBUGGING_INFO): Undefine.
8755 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
8756
8757 2007-04-03 Jakub Jelinek <jakub@redhat.com>
8758
8759 PR middle-end/30704
8760 * fold-const.c (native_encode_real): Encode real.c provided longs
8761 as a series of 32-bit native integers.
8762 (native_interpret_real): Interpret buffer as a series of 32-bit
8763 native integers.
8764
8765 2007-04-03 Richard Guenther <rguenther@suse.de>
8766
8767 * genpreds.c (write_insn_constraint_len): Write function
8768 optimized for CONSTRAINT_LEN implementation.
8769 (write_tm_preds_h): Output insn_constraint_len inline and
8770 use it for CONSTRAINT_LEN.
8771 (write_insn_preds_c): Don't output insn_constraint_len.
8772 * doc/md.texi (define_register_constraint): Document multi-letter
8773 constraints shall have the same length if they start with the same
8774 letter.
8775
8776 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8777
8778 PR target/31175
8779 * config/i386/i386.md (isinf<mode>2): Expand only when
8780 TARGET_C99_FUNCTIONS is set.
8781
8782 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
8783
8784 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
8785 (x86_64-*-linux*): Ditto.
8786 * config/i386/i386.opt (mpc): New option.
8787 * config/i386/i386.c (overrride_options): Handle
8788 ix87_precision_string.
8789 * config/i386/crtprec.c: New file.
8790 * config/i386/t-crtpc: Ditto.
8791 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
8792 and -mpc80 options.
8793 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
8794 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8795 crtprec32.o, crtprec64.o and crtprec80.o.
8796
8797 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
8798 and -mpc80 options.
8799 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
8800
8801 2007-04-02 Eric Christopher <echristo@apple.com>
8802
8803 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
8804 limitations on darwin.
8805
8806 2007-04-02 Anatoly Sokolov <aesok@post.ru>
8807
8808 PR target/31137
8809 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
8810
8811 2007-04-02 Dave Korn <dave.korn@artimi.com>
8812
8813 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
8814
8815 2007-04-02 Dave Korn <dave.korn@artimi.com>
8816
8817 * libgcc2.h (exception_descriptor): Don't forward-declare.
8818 (__get_eh_table_language, __get_eh_table_version): Delete
8819 prototypes of long-dead functions.
8820
8821 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
8822
8823 * ebitmap.h: New file
8824 * ebitmap.c: New file
8825 * Makefile.in (ebitmap.o): New target.
8826
8827 2007-04-01 Jan Hubicka <jh@suse.cz>
8828
8829 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
8830 before very first instruction.
8831
8832 2007-04-01 Jan Hubicka <jh@suse.cz>
8833
8834 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
8835 waring on 64bit hosts.
8836 * bitmap.h: Fix typo in bitmap_head_def.
8837
8838 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
8839
8840 PR rtl-optimization/31391
8841 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
8842 into a DELETED_LABEL note, and the label is in an empty basic
8843 block, update BB_END as well as BB_HEAD.
8844
8845 2007-04-01 Richard Henderson <rth@redhat.com>
8846
8847 PR tree-optimization/31169
8848 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
8849 to varying if the range is outside [0, prec-1].
8850
8851 2007-04-01 Richard Sandiford <richard@codesourcery.com>
8852
8853 PR target/31388
8854 * config/mips/mips.md (load_const_gp): New insn.
8855 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
8856 the MIPS16 GP pseudo register if no_new_pseudos.
8857 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
8858
8859 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
8860
8861 PR target/31364
8862 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
8863 secureplt.
8864 (call_value): Likewise.
8865
8866 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
8867 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8868
8869 PR 14737
8870 * doc/invoke.texi: (optimization options): Reword description
8871 of -ffast-math. Document its primary purpose.
8872
8873 2007-03-31 Richard Guenther <rguenther@suse.de>
8874
8875 * omp-low.c (splay-tree.h): Include.
8876 (lookup_decl): Replace splay-tree usage by pointer-map.
8877 (maybe_lookup_decl): Likewise.
8878 (new_omp_context): Likewise.
8879 (delete_omp_context): Likewise.
8880 * gimplify.c (splay-tree.h): Include.
8881 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
8882 pointer-map.
8883 (remap_ssa_name): Likewise.
8884 (remap_decl): Likewise.
8885 (remap_type_1): Likewise.
8886 (remap_type): Likewise.
8887 (copy_body_r): Likewise.
8888 (expand_call_inline): Likewise.
8889 (clone_body): Likewise.
8890 (copy_tree_r): Likewise.
8891 (remap_save_expr): Likewise.
8892 (unsave_r): Likewise.
8893 (unsave_expr_now): Likewise.
8894 (tree_function_versioning): Likewise.
8895 (build_duplicate_type): Likewise.
8896 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
8897 (struct copy_body_data): Replace splay-tree by pointer-map.
8898 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
8899 not $(SPLAY_TREE_H).
8900 (gimplify.o): Depend on $(SPLAY_TREE_H).
8901 (omp-low.p): Likewise.
8902
8903 2007-03-31 Anatoly Sokolov <aesok@post.ru>
8904
8905 * config/avr/predicates.md (even_register_operand,
8906 odd_register_operand): New predicates.
8907 * config/avr/avr.md (movw peephole2): New.
8908 (movw_r peephole2): New.
8909
8910 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
8911
8912 * tree.h (get_signed_or_unsigned_type): New.
8913 * fold-const.c (operand_equal_for_comparison_p): Use
8914 get_signed_or_unsigned_type instead of
8915 lang_hooks.types.signed_or_unsigned_type.
8916 * expr.c (store_expr): Ditto.
8917 * langhooks.c (get_signed_or_unsigned_type): New.
8918 (lhd_signed_or_unsigned_type): New.
8919 * langhooks.h (lhd_signed_or_unsigned_type): New.
8920 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
8921
8922 2007-03-30 Richard Henderson <rth@redhat.com>
8923
8924 * tree-ssa-loop-ivopts.c: Include target.h.
8925 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
8926 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
8927 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
8928 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
8929
8930 2007-03-30 Richard Henderson <rth@redhat.com>
8931 Kai Tietz <kai.tietz@onevision.com>
8932
8933 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
8934 default for 64-bit.
8935 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
8936 (TARGET_64BIT_MS_ABI): New.
8937 (DBX_REGISTER_NUMBER): Handle 64-bit.
8938 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
8939 (LONG_TYPE_SIZE): Force to 32.
8940 (REG_PARM_STACK_SPACE): New.
8941 (OUTGOING_REG_PARM_STACK_SPACE): New.
8942 (REGPARM_MAX, SSE_REGPARM_MAX): New.
8943 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
8944 (STACK_BOUNDARY): Use 128 for 64-bit.
8945 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
8946 Add 64-bit implementation.
8947 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
8948 argument unused.
8949 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
8950 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
8951 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
8952 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
8953 (ix86_handle_cconv_attribute): Don't warn when ignoring if
8954 TARGET_64BIT_MS_ABI.
8955 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
8956 (ix86_pass_by_reference): Likewise.
8957 (ix86_function_value_regno_p): Likewise.
8958 (ix86_build_builtin_va_list): Likewise.
8959 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
8960 (function_arg_advance_ms_64): New.
8961 (function_arg_advance): Call it.
8962 (function_arg_ms_64): New.
8963 (function_arg): Call it.
8964 (function_value_ms_64): New.
8965 (ix86_function_value_1): Call it.
8966 (return_in_memory_ms_64): New.
8967 (ix86_return_in_memory): Call it.
8968 (setup_incoming_varargs_ms_64): New.
8969 (ix86_setup_incoming_varargs): Call it.
8970 (ix86_expand_prologue): Handle 64-bit stack probing.
8971 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
8972 (output_pic_addr_const): Likewise.
8973 (x86_this_parameter): Likewise.
8974 (x86_output_mi_thunk): Likewise.
8975 (x86_function_profiler): Likewise.
8976 (TARGET_STRICT_ARGUMENT_NAMING): New.
8977 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
8978 (TARGET_64BIT_MS_ABI): New.
8979 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
8980 * config/i386/i386.md (allocate_stack_worker): Remove.
8981 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
8982 describe the clobber of eax without a match_scratch.
8983 (allocate_stack_worker_postreload): Remove.
8984 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
8985 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
8986 (allocate_stack_worker_rex64_postreload): Remove.
8987 (allocate_stack): Handle 64-bit.
8988 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
8989 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
8990 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
8991 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
8992 (STANDARD_STARTFILE_PREFIX_1): Likewise.
8993 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
8994 * config.build (x86_64-*-mingw*): New host.
8995 * config.host (x86_64-*-mingw*): New host.
8996 * config.gcc (x86_64-*-mingw*): New target.
8997 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
8998
8999 2007-03-30 Richard Henderson <rth@redhat.com>
9000 Kai Tietz <kai.tietz@onevision.com>
9001
9002 * c-pragma.c (struct def_pragma_macro_value): New.
9003 (struct def_pragma_macro): New.
9004 (pushed_macro_table): New.
9005 (dpm_hash, dpm_eq): New.
9006 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
9007 (init_pragma): Install them.
9008 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
9009
9010 2007-03-30 Anatoly Sokolov <aesok@post.ru>
9011
9012 * config/avr/avr.c (avr_override_options): Clear
9013 'flag_delete_null_pointer_checks'.
9014
9015 2007-03-30 Paolo Carlini <pcarlini@suse.de>
9016
9017 PR c++/26099
9018 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
9019 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
9020 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
9021 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
9022 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
9023 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
9024 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
9025 C++ extensions.
9026 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
9027
9028 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
9029
9030 * regmove.c: Move all of pass_stack_adjustments from here...
9031 * combine-stack-adj.c: ...to this new file.
9032 * Makefile.in: Add rules for combine-stack-adj.o.
9033
9034 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
9035
9036 PR tree-optimization/31383
9037 * tree-data-ref.c (affine_function_equal_p): Do not require the
9038 vectors to have the same length.
9039
9040 2007-03-30 Jan Hubicka <jh@suse.cz>
9041
9042 PR middle-end/30700
9043 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
9044 availablility; add more sanity checking; ask varpool only about
9045 VAR_DECL.
9046
9047 2007-03-29 Richard Henderson <rth@redhat.com>
9048
9049 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
9050 to decide, but __SIZEOF_LONG_LONG__.
9051
9052 2007-03-29 Richard Henderson <rth@redhat.com>
9053
9054 * emutls.c (struct __emutls_array): New.
9055 (emutls_destroy): Use it instead of casting element 0 from void*.
9056 (__emutls_get_address): Likewise.
9057
9058 2007-03-29 Richard Henderson <rth@redhat.com>
9059
9060 * varasm.c (initializer_constant_valid_p): Don't deny
9061 DECL_DLLIMPORT_P on functions.
9062
9063 * config/i386/cygming.h: Remove function declarations.
9064 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
9065 (ASM_OUTPUT_LABELREF): Remove.
9066 (COMMON_ASM_OP): Remove.
9067 (ASM_OUTPUT_COMMON): Remove.
9068 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
9069 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
9070 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9071 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
9072 Rename from TARGET_ENCODE_SECTION_INFO.
9073 * config/i386/netware.h: Likewise.
9074 * config/i386/i386-protos.h: Update.
9075 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
9076 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
9077 (legitimate_constant_p): Reject dllimports.
9078 (dllimport_map, get_dllimport_decl): New.
9079 (legitimize_dllimport_symbol): New.
9080 (legitimize_address, ix86_expand_move): Use it.
9081 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
9082 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
9083 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
9084 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
9085 * config/i386/predicates.md (constant_call_address_operand): Only
9086 accept symbols; reject dllimport_p symbols.
9087 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
9088 i386_pe_maybe_record_exported_symbol.
9089 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
9090 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
9091 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
9092 trust the setting of DECL_DLLIMPORT_P.
9093 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
9094 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
9095 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
9096 tidy the argument scanning loop.
9097 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
9098 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
9099 (i386_pe_strip_name_encoding): Remove.
9100 (i386_pe_binds_local_p): New.
9101 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
9102 (i386_pe_output_labelref): Remove.
9103 (i386_pe_asm_output_aligned_decl_common): New.
9104 (i386_pe_maybe_record_exported_symbol): Rename from
9105 i386_pe_record_exported_symbol; check for dllexported symbols.
9106
9107 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
9108
9109 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
9110 add comment explaining why vsnprintf cannot be used.
9111
9112 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
9113
9114 PR tree-optimization/30666
9115 * tree.c (build_complex_type): When creating type names for DWARF2
9116 debug info, create TYPE_DECLs for TYPE_NAME instead of
9117 IDENTIFIER_NODEs.
9118 (build_common_tree_nodes_2): Use build_complex_type when building
9119 predefined complex types, to preserve canonical types.
9120
9121 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
9122
9123 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
9124 (noce_get_alt_condition): Look at it to determine whether to
9125 reverse the condition or not.
9126 (noce_get_condition): Substitute the truth for lies.
9127 (noce_find_if_block): Set the then_else_reversed field.
9128
9129 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
9130
9131 * config/fr30/fr30.md (movdi): Do not accept immediates as the
9132 destination of this insn.
9133 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
9134 than calling gen_rtx_SET directly. Use r0 to hold the value of
9135 'address + 4' rather than a stack based temporary which can be
9136 mis-optimized away.
9137
9138 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9139
9140 * config/s390/s390.c (s390_secondary_input_reload_class,
9141 s390_secondary_output_reload_class): Functions removed.
9142 (s390_secondary_reload): New function.
9143 (TARGET_SECONDARY_RELOAD): Target macro defined.
9144 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
9145 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
9146 * config/s390/s390.md ("reload_outti", "reload_outdi",
9147 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
9148 "reload_out<mode>"): Expanders removed.
9149 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
9150 "reload<mode>_nonoffmem_out"): Expanders added.
9151
9152 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9153
9154 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
9155 action if SRC->DEST replacement failed anyway.
9156
9157 2007-03-28 Mike Stump <mrs@apple.com>
9158
9159 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
9160 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
9161 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
9162
9163 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
9164
9165 * config.gcc: Accept barcelona as a variant of amdfam10.
9166 * config/i386/i386.c (override_options): Likewise.
9167 * doc/invoke.texi: Likewise.
9168
9169 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
9170
9171 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
9172 offsets for BIT_FIELD_REF and COMPONENT_REF.
9173
9174 2007-03-28 Richard Guenther <rguenther@suse.de>
9175
9176 * tree.c (is_global_var): Move ...
9177 * tree-flow-inline.h (is_global_var): ... here.
9178 * tree.h (is_global_var): Remove declaration.
9179
9180 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
9181
9182 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
9183 option.
9184 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
9185 * config/i386/i386.c (ix86_tune_features): Initialize new
9186 tuning option.
9187 * config/i386/predicates.md (promotable_binary_operator): Use
9188 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
9189
9190 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9191
9192 PR target/31380
9193 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
9194
9195 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
9196
9197 * config/fr30/fr30.md (movsi_internal): Change destination
9198 constraint from m to V and add m to the end.
9199
9200 2007-03-28 Christian Bruel <christian.bruel@st.com>
9201
9202 * config/sh/sh.md (movsi_i): Fix type attribute.
9203
9204 2007-03-28 Christian Bruel <christian.bruel@st.com>
9205
9206 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
9207 (movsf_ie): Likewise.
9208
9209 2007-03-28 Christian Bruel <christian.bruel@st.com>
9210
9211 * config.gcc: Add sh4-300 to multilib.
9212 * config/sh/t-mlib-sh4-300: New file.
9213
9214 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
9215
9216 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
9217 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
9218 fix_trunc<mode>di2.
9219 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
9220 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
9221 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
9222 "fixuns_trunctddi2"): Whitespace fix.
9223
9224 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9225
9226 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
9227 the definition of struct sh_args.
9228 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
9229 CALL_COOKIE_INT_REG_GET): Likewise.
9230
9231 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
9232
9233 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
9234 transformations are applied successfully.
9235
9236 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
9237
9238 * tree.c (tree_contains_struct): Permit 512 tree codes.
9239 * tree.h (tree_contains_struct): Ditto.
9240 (MAX_TREE_CODES): Ditto.
9241 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
9242 SPARE member to store remaining padding bits.
9243
9244 2007-03-27 Anatoly Sokolov <aesok@post.ru>
9245
9246 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
9247 architecture.
9248
9249 2007-03-27 Janis Johnson <janis187@us.ibm.com>
9250
9251 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
9252 * configure: Regenerate.
9253
9254 * configure: Regenerate using the correct version of autoconf.
9255
9256 2007-03-27 Anatoly Sokolov <aesok@post.ru>
9257
9258 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
9259 pointer regs.
9260 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
9261 regs to "__SP_L__" and "__SP_H__".
9262
9263 2007-03-27 Richard Guenther <rguenther@suse.de>
9264
9265 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
9266 computations with it with a HOST_WIDE_INT variable.
9267
9268 2007-03-26 Mike Stump <mrs@apple.com>
9269
9270 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
9271 objective-c-header, objective-c++-header and objc++-cpp-output
9272 support.
9273 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
9274
9275 2007-03-26 Richard Henderson <rth@redhat.com>
9276
9277 PR target/31361
9278 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
9279 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
9280 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
9281 IX86_BUILTIN_PSRLQ128): New.
9282 (ix86_init_mmx_sse_builtins): Add them.
9283 (ix86_expand_builtin): Expand them.
9284 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
9285 operand 2 be TImode.
9286 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
9287 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
9288 _mm_srli_epi64): Mark __B const.
9289 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
9290 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
9291 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
9292 new two-vector shift builtins.
9293
9294 2007-03-26 Ian Lance Taylor <iant@google.com>
9295
9296 PR tree-optimization/31345
9297 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
9298 [+INF, +INF(OVF)] into VARYING.
9299
9300 2007-03-26 Zack Weinberg <zackw@panix.com>
9301
9302 * gengtype-parse.c: New file.
9303 * gengtype-yacc.y: Delete.
9304 * gengtype-lex.l: Don't include gengtype-yacc.h.
9305 Define YY_DECL and yyterminate appropriately for recursive
9306 descent parser. yylval is now a string out-parameter to yylex.
9307 (HWS, EOID): New shorthand.
9308 (IWORD): Add a couple more types.
9309 (yylex): Add a setup stanza. Remove the complex rules for
9310 detecting GTY'ed types and typedefs; replace with simple
9311 keyword detectors. Adjust everything for the changed
9312 definition of yylval. Ignore all pp-directives, not just #define.
9313 (yyerror): Delete.
9314 (parse_file): Rename yybegin; do not call yyparse.
9315 (yyend): New.
9316 * gengtype.c (xasprintf): Export again.
9317 (this_file): New. Use everywhere __FILE__ was being used.
9318 (get_lang_bitmap): Special case types defined in gengtype.c.
9319 (do_typedef, new_structure): Suppress definition of certain types.
9320 (new_structure): Improve diagnostics of duplicate definitions.
9321 Make sure location_s is associated with input.h.
9322 (nreverse_pairs, define_location_structures): New functions.
9323 (main): Improve tagging of kludge types. Remove old kludges
9324 for input.h types; use define_location_structures.
9325 * gengtype.h: Update prototypes. Define token codes here.
9326 * Makefile.in: Remove all references to gengtype-yacc.
9327 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
9328 and gengtype.
9329 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
9330 add GTY((skip)) to the field that's only conditionally there.
9331 * doc/install.texi: Document that Bison is no longer required
9332 unless building treelang.
9333
9334 * gengtype.c: Don't include gtyp-gen.h.
9335 (srcdir): Declare here.
9336 (base_files, lang_dir_names): Allocate dynamically.
9337 (gt_files, num_gt_files, num_lang_dirs): New globals.
9338 (measure_input_list, read_input_line, read_input_list)
9339 (set_lang_bitmap): New functions.
9340 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
9341 simplify, relying on read_input_list to set up the bitmaps.
9342 (main): Arguments are no longer unused. Check for correct number
9343 of command line arguments, set srcdir and srcdir_len, then call
9344 read_input_list, before doing anything else. No need to worry
9345 about duplicates in main loop.
9346 * configure.ac: Simplify the calculation of all_gtfiles.
9347 Put language tags in there. Don't set or substitute
9348 all_gtfiles_files_langs or all_gtfiles_files_frags.
9349 * Makefile.in: Revamp the way gengtype is invoked, now that it
9350 takes a file on its command line with a much simpler format.
9351 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
9352 (GTFILES): Remove duplicates and C source files.
9353 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
9354 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
9355 * configure: Regenerate.
9356
9357 * gengtype.h: Remove all type definitions to gengtype.c; leave
9358 only definitions of options_p, type_p, and pair_p as opaque
9359 pointers. Update prototypes.
9360 * gengtype.c: Many type definitions moved here from gengtype.h.
9361 Consolidate type definitions at the top of the file.
9362 (xvasprintf): Delete.
9363 (xasprintf): Make static.
9364 (create_nested_pointer_option): Add 'next' parameter.
9365 (create_field_all, create_field_at): New functions.
9366 (create_field): Now a thin wrapper around create_field_all.
9367 (create_optional_field): Rename create_optional_field_ and add
9368 line argument. Original name is now a macro which supplies
9369 __LINE__.
9370 (oprintf): Use vsnprintf directly.
9371 (close_output_files): Use fatal rather than perror/exit.
9372 (note_def_vec, note_def_vec_alloc): Use create_field_at.
9373 (main): Set progname. Don't use exit.
9374 * gengtype-yacc.y (struct_fields): Use create_field_at.
9375 (option, optionseqopt): Delete.
9376 (optionseq): Consolidate productions from option here so we
9377 can use the first argument to create_option.
9378
9379 * gengtype-lex.l: Distinguish unions from structures in the
9380 token type. Don't call find_structure; return the tag as a string.
9381 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
9382 ENT_UNION. Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
9383 string. Reorganize typedef_struct production accordingly.
9384 Use create_nested_ptr_option.
9385 * gengtype.c (create_nested_ptr_option): New function.
9386 * gengtype.h: Declare it.
9387
9388 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
9389 (string_type): Don't declare.
9390 (do_scalar_typedef): Declare.
9391 (create_scalar_type): Update prototype.
9392 * gengtype.c (string_type): Make static.
9393 (scalar_nonchar, scalar_char): New.
9394 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
9395 (resolve_typedef): Use scalar_nonchar for error recovery.
9396 (create_scalar_type): Remove name_len field. Return scalar_char
9397 or scalar_nonchar as appropriate.
9398 (adjust_field_type): Look at scalar_is_char boolean to decide whether
9399 to use string_type.
9400 (throughout): Use scalar_nonchar instead of calling
9401 create_scalar_type, whenever possible.
9402 (main): Initialize scalar_char and scalar_nonchar before calling
9403 gen_rtx_next.
9404 * gengtype-lex.l: Adjust for removal of second argument to
9405 create_scalar_type. Use yylval.s instead of yylval.t when
9406 returning SCALAR.
9407 * gengtype-yacc.y: Type of SCALAR is string. Call
9408 create_scalar_type from type:SCALAR rule. Adjust for removal of
9409 second argument to create_scalar_type.
9410
9411 * vec.h: Remove all #if IN_GENGTYPE blocks.
9412 Add comment saying that changes may require adjustments to gengtype.
9413 * gengtype.c: Don't include coretypes.h or tm.h.
9414 Add comment to inclusion of errors.h.
9415 (note_def_vec, note_def_vec_alloc): New functions.
9416 * gengtype.h: Declare new functions.
9417 * gengtype-lex.l: Don't include coretypes.h.
9418 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
9419 Delete.
9420 (update_lineno): Remove unnecessary prototype.
9421 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
9422 (VEC rule): Just return VEC_TOKEN.
9423 * gengtype-yacc.y (VEC_TOKEN): New token type.
9424 (type): Add a production for VEC(a,b).
9425 * Makefile.in: Update dependencies.
9426
9427 * gengtype-lex.l: Remove rules for parsing pointer-to-function
9428 typedefs that use the old PARAMS macro.
9429
9430 * gengtype-lex.l: Remove all rules and states relating to yacc
9431 input files.
9432 * gengtype-yacc.y: Similarly.
9433 * gengtype.c (note_yacc_type): Delete function.
9434 * gengtype.h: Update prototypes.
9435
9436 2007-03-26 Joseph Myers <joseph@codesourcery.com>
9437
9438 * tree-pretty-print.c (dump_generic_node): Report precision of
9439 unnamed integer types.
9440
9441 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
9442
9443 * ifcvt.c (noce_try_store_flag_constants): Don't check
9444 no_new_pseudos here.
9445 (noce_try_store_flag_constants): Don't check no_new_pseudos.
9446 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
9447 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
9448 noce_try_sign_mask): Likewise.
9449 (if_convert): Check no_new_pseudos here.
9450
9451 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
9452 Remove prototypes.
9453 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
9454 (noce_get_condition): Handle new then_else_reversed argument.
9455 (noce_init_if_info): Remove, fold into noce_find_if_block.
9456 (noce_process_if_block): Take a struct noce_if_info as the
9457 argument. Don't set up one based on ce_if_info. Update pointer
9458 references accordingly.
9459 (cond_move_process_if_block): Likewise.
9460 (process_if_block): Removed.
9461 (find_if_block): Removed. Move functionality two new functions,
9462 noce_find_if_block and cond_exec_find_if_block.
9463 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
9464 blocks and the symmetric IF-ELSE-JOIN case.
9465 (cond_exec_find_if_block): Also new function mostly based on old
9466 find_if_block and process_if_block.
9467 (find_if_header): Replace find_if_block call with separately
9468 guarded calls to noce_find_if_block and cond_exec_find_if_block.
9469 (find_cond_trap): Update noce_get_condition call.
9470 (dead_or_predicable): Likewise.
9471
9472 2007-03-26 Jakub Jelinek <jakub@redhat.com>
9473
9474 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
9475 Remove.
9476 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
9477 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
9478 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
9479 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
9480 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
9481 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
9482 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
9483 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
9484 __builtin_ia32_psrad128 builtins.
9485
9486 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
9487
9488 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
9489 * config/i386/constraints.md
9490 (define_constraint "I"): Use IN_RANGE macro.
9491 (define_constraint "J"): Ditto.
9492 (define_constraint "K"): Ditto.
9493 (define_constraint "M"): Ditto.
9494 (define_constraint "N"): Ditto.
9495 (define_constraint "O"): Ditto.
9496 * config/i386/predicates.md
9497 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
9498 (define_predicate "const_0_to_3_operand"): Ditto.
9499 (define_predicate "const_0_to_7_operand"): Ditto.
9500 (define_predicate "const_0_to_15_operand"): Ditto.
9501 (define_predicate "const_0_to_63_operand"): Ditto.
9502 (define_predicate "const_0_to_255_operand"): Ditto.
9503 (define_predicate "const_1_to_31_operand"): Ditto.
9504 (define_predicate "const_2_to_3_operand"): Ditto.
9505 (define_predicate "const_4_to_7_operand"): Ditto.
9506
9507 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9508
9509 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
9510 in SImode for save_world.
9511 * config/rs6000/altivec.md (save_world, restore_world): Convert to
9512 LR hard reg.
9513
9514 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
9515
9516 PR tree-optimization/30784
9517 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
9518 BIT_FIELD_REF.
9519
9520 2007-03-25 Revital Eres <eres@il.ibm.com>
9521
9522 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
9523 Fold movement_possibility function into it.
9524
9525 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9526
9527 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
9528 (load_macho_picbase_{si,di}): Convert to LR hard reg.
9529 (call_indirect_nonlocal_darwin64): Same.
9530 (call_nonlocal_darwin64): Same.
9531 (call_value_indirect_nonlocal_darwin64): Same.
9532 (call_value_nonlocal_darwin64): Same.
9533 (sibcall_nonlocal_darwin64): Same.
9534 (sibcall_value_nonlocal_darwin64): Same.
9535 (sibcall_symbolic_64): Same.
9536 (sibcall_value_symbolic_64): Same.
9537 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
9538 LR pseudo.
9539 (rs6000_emit_load_toc_table): Same.
9540 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
9541 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
9542 (mull_call): Same.
9543 (divss_call): Same.
9544 (divus_call): Same.
9545 (quoss_call): Same.
9546 (quous_call): Same.
9547 (load_toc_v4_pic_si): Same
9548 (load_toc_v4_PIC_1): Same.
9549 (load_toc_v4_PIC_1b): Same.
9550 (call_indirect_aix{32,64}): Same.
9551 (call_value_indirect_aix{32,64}): Same.
9552 (call): Same.
9553 (call_value): Same.
9554 (call_local{32,64}): Same.
9555 (call_value_local{32,64}): Same.
9556 (call_indirect_nonlocal_aix{32,64}): Same.
9557 (call_nonlocal_aix{32,64}): Same.
9558 (call_value_indirect_nonlocal_aix{32,64}): Same.
9559 (call_value_nonlocal_aix{32,64}): Same.
9560 (call_indirect_nonlocal_sysv<mode>): Same.
9561 (call_nonlocal_sysv<mode>): Same.
9562 (call_value_indirect_nonlocal_sysv<mode>): Same.
9563 (call_value_nonlocal_sysv<mode>): Same.
9564 (sibcall): Same.
9565 (sibcall_local{32,64}): Same.
9566 (sibcall_value_local{32,64}): Same.
9567 (sibcall_nonlocal_aix{32,64}): Same.
9568 (sibcall_value_nonlocal_aix{32,64}): Same.
9569 (sibcall_nonlocal_sysv<mode>): Same.
9570 (sibcall_value): Same.
9571 (sibcall_value_nonlocal_sysv<mode>): Same.
9572
9573 2007-03-24 Paul Brook <paul@codesourcery.com>
9574
9575 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
9576 * config/arm/linux-eabi.h: Remove legacy syscall hack.
9577
9578 2007-03-24 Richard Henderson <rth@redhat.com>
9579
9580 * config/ia64/constraints.md: New file.
9581 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
9582 satisfies_constraint_?.
9583 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
9584 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
9585 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
9586 ia64_output_mi_thunk): Likewise.
9587 (ia64_const_ok_for_letter_p): Remove.
9588 (ia64_const_double_ok_for_letter_p): Remove.
9589 (ia64_extra_constraint): Remove.
9590 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
9591 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
9592 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
9593 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
9594 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
9595 EXTRA_MEMORY_CONSTRAINT): Remove.
9596 * config/ia64/ia64.md: Include constriants.md. Replace
9597 CONST_OK_FOR_? with satisfies_constraint_?.
9598
9599 2007-03-23 Michael Meissner <michael.meissner@amd.com>
9600 H.J. Lu <hongjiu.lu@intel.com>
9601
9602 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
9603 DPD or BID name.
9604 (name macros): Use DPD_BID_NAME to convert names properly.
9605
9606 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
9607 decimal floating point format.
9608 (init_floating_libfuncs): Change decimal functions so that they
9609 have a "bid_" prefix if the decimal system uses the BID format,
9610 and "dpd_" prefix if the decimal system uses the DPD format.
9611 (init_interclass_conv_libfuncs): Ditto.
9612 (init_intraclass_conv_libfuncs): Ditto.
9613
9614 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9615 using the BID format.
9616
9617 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9618 whether we are using the BID decimal format.
9619 * configure: Regenerate.
9620
9621 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9622 the compiler has decimal floating point enabled. Define
9623 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9624 instead of DPD.
9625
9626 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9627 using the BID format.
9628
9629 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9630 whether we are using the BID decimal format.
9631 * configure: Regenerate.
9632
9633 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9634 the compiler has decimal floating point enabled. Define
9635 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9636 instead of DPD.
9637
9638 * doc/install.texi (--enable-decimal-float): Document BID and DPD
9639 options, and that it is enabled for i386/x86_64 systems.
9640
9641 * Makefile.in (enable_decimal_float): New.
9642 (DECNUMFMT): New.
9643 (DECNUMINC): Add -I$(DECNUMFMT).
9644 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
9645 to $(DECNUMFMT) from $(DECNUM).
9646
9647 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
9648 Substitute enable_decimal_float.
9649 * configure: Regenerated.
9650
9651 PR other/30529
9652 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
9653 unsigned long.
9654
9655 * configure.ac: Enable decimal float for x86_64-*-linux*.
9656 * configure: Regenerated.
9657
9658 PR other/30530
9659 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
9660 decimal128ClearSign to flip and clear the sign bit in decimal128.
9661 (decimal_real_maxval): Set decimal128SetSign to set the sign
9662 bit in decimal128.
9663
9664 2007-03-23 Ian Lance Taylor <iant@google.com>
9665
9666 * fold-const.c (fold_binary): Correct warning for X - c >= X.
9667
9668 2007-03-23 Ian Lance Taylor <iant@google.com>
9669
9670 * tree-dump.c (dump_files): Correct comment.
9671
9672 2007-03-23 Ian Lance Taylor <iant@google.com>
9673
9674 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
9675
9676 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
9677
9678 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
9679 in cfglayout mode. Don't go into and out of cfglayout mode.
9680 Link the blocks in the order of the constructed traces.
9681 (rest_of_handle_tracer): Adjust call to tracer.
9682 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
9683 Don't go into cfglayout mode.
9684 (rtl_loop_done): Don't go out of cfglayout mode.
9685 * cfglayout.c (relink_block_chain): New function, split out from...
9686 (fixup_reorder_chain): ...here. Remove redundant checking.
9687 (cfg_layout_finalize): Don't clear the header, footer, and aux
9688 fields here, move the code to do so to relink_block_chain. Likewise
9689 for free_original_copy_tables.
9690 * rtl.h (tracer): Update prototype.
9691 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
9692 Assert we are in cfglayout mode. Don't go into and out of cfglayout
9693 mode. Use relink_block_chain to serialize the CFG according to the
9694 new basic block order. Move targetm.cannot_modify_jumps_p check from
9695 here...
9696 (gate_handle_reorder_blocks): ...to here.
9697 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
9698 from here...
9699 (gate_duplicate_computed_gotos): ...to here.
9700 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
9701 something always changes when going into and out of cfglayout mode.
9702 Perform an expensive cfg cleanup while going into cfglayout mode.
9703 Always update liveness information on HAVE_conditional_execution
9704 targets. Reserialize the basic blocks and go out of cfglayout mode.
9705 * reg-stack.c: Include cfglayout.h.
9706 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
9707 the call to reorder_basic_blocks.
9708 * basic-block.h (reorder_basic_blocks): Update prototype.
9709 (relink_block_chain): New prototype.
9710 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
9711
9712 2007-03-23 Joseph Myers <joseph@codesourcery.com>
9713
9714 * config/mips/mips.md (type, hazard, *movdi_32bit,
9715 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
9716 *movhi_internal, *movqi_internal, *movsf_hardfloat,
9717 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
9718 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
9719 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
9720 applicable.
9721 (movcc): Change first xfer to multi.
9722 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
9723 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
9724 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
9725 config/mips/generic.md: Change reservations using "xfer" to use
9726 "mfc,mtc".
9727 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
9728 using match_operand.
9729 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
9730 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
9731 examining mode.
9732 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
9733
9734 2007-03-22 Richard Henderson <rth@redhat.com>
9735
9736 * config/i386/i386.c: Remove unnecessary function declarations.
9737 Move targetm definition, and all related macros, to the end of
9738 the file. Resort some functions to put definitions before uses.
9739 (ix86_attribute_table): Make static. Move to end of file.
9740 (ix86_gimplify_va_arg): Make static.
9741
9742 2007-03-22 Richard Henderson <rth@redhat.com>
9743
9744 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
9745 don't increase local_regparm with force_align_arg_pointer check.
9746 (ix86_function_sseregparm): Assert 32-bit.
9747 (type_has_variadic_args_p): New.
9748 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
9749 type_has_variadic_args_p.
9750 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
9751 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
9752 use memset instead. Do maybe_vaarg check first; skip attribute
9753 tests if true; skip attribute tests for 64-bit.
9754 (construct_container): Remove TARGET_DEBUG_ARG.
9755 (function_arg_advance_32, function_arg_advance_64): Split out ...
9756 (function_arg_advance): ... from here.
9757 (function_arg_32, function_arg_64): Split out ...
9758 (function_arg): ... from here.
9759 (ix86_pass_by_reference): Tidy.
9760 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
9761 (function_value_32): New, from parts of ix86_function_value
9762 and ix86_value_regno.
9763 (function_value_64): New, from parts of ix86_function_value
9764 and ix86_libcall_value.
9765 (ix86_function_value_1): New.
9766 (ix86_function_value, ix86_libcall_value): Use it.
9767 (return_in_memory_32, return_in_memory_64): Split out ...
9768 (ix86_return_in_memory): ... from here.
9769 (ix86_struct_value_rtx): Skip for 64-bit.
9770 (ix86_libcall_value, ix86_value_regno): Remove.
9771 (setup_incoming_varargs_64): Split out ...
9772 (ix86_setup_incoming_varargs): ... from here.
9773 (ix86_va_start): Remove TARGET_DEBUG_ARG.
9774 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
9775 * config/i386/i386-protos.h (ix86_function_value): Remove.
9776 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
9777
9778 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9779
9780 PR other/23572
9781 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
9782 infinities not supported, otherwise emit warning if -Woverflow. On
9783 underflow, emit warning if -Woverflow.
9784 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
9785 and 0 otherwise.
9786 * real.h (real_from_string): Update declaration
9787
9788 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
9789 Richard Henderson <rth@redhat.com>
9790
9791 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
9792 * calls.c (compute_argument_block_size, expand_call,
9793 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
9794 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
9795 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
9796 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
9797 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
9798 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
9799 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
9800 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
9801 Set to 1.
9802
9803 2007-03-22 Joseph Myers <joseph@codesourcery.com>
9804
9805 * c-incpath.c (add_sysroot_to_chain): New.
9806 (merge_include_chains): Add sysroot argument. Call
9807 add_sysroot_to_chain if sysrooted.
9808 (register_include_chains): Update call to merge_include_chains.
9809 * doc/cppopts.texi: Document use of '=' in include directory
9810 arguments.
9811
9812 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
9813
9814 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
9815 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
9816 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
9817 insn pattern using X87MODEF12 mode macro.
9818
9819 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
9820
9821 * regmove.c (regmove_optimize): Use reg_mentioned_p
9822 instead of reg_overlap_mentioned_p for DST.
9823
9824 2007-03-21 Mike Stump <mrs@apple.com>
9825
9826 * c.opt: Fixup for Objective-C/C++.
9827
9828 2007-03-21 Steve Ellcey <sje@cup.hp.com>
9829
9830 * explow.c (convert_memory_address): Fold memory reference when
9831 POINTERS_EXTEND_UNSIGNED < 0
9832
9833 2007-03-21 Richard Henderson <rth@redhat.com>
9834
9835 PR target/31245
9836 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
9837 * config/i386/mmintrin.h (__m64): Likewise.
9838 * config/i386/xmmintrin.h (__m128): Likewise.
9839
9840 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9841
9842 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
9843 (VXWORKS_OS_CPP_BUILTINS): Define.
9844 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
9845 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
9846
9847 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9848
9849 * rtl.h (constant_pool_reference_p): Delete.
9850 (find_constant_src): Declare.
9851 * rtlanal.c (find_constant_src): New function.
9852 * simplify-rtx.c (constant_pool_reference_p): Delete.
9853 * config/i386/i386.md: Use find_constant_src instead of
9854 constant_pool_reference_p/avoid_constant_pool_reference pairs.
9855
9856 2007-03-21 Richard Sandiford <richard@codesourcery.com>
9857
9858 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
9859 * c-cppbuiltin.c (c_cpp_builtins): Define them.
9860
9861 2007-03-20 Mark Mitchell <mark@codesourcery.com>
9862
9863 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
9864 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
9865 (arm_elf_asm_constructor): Use it.
9866 (arm_elf_asm_destructor): New function.
9867
9868 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
9869
9870 * jump.c (mark_jump_label): Treat SEQUENCE specially.
9871
9872 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
9873
9874 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
9875
9876 2007-03-19 Andrew Haley <aph@redhat.com>
9877
9878 PR tree-optimization/31264
9879 * tree-vrp.c (register_edge_assert_for_1): Don't look though
9880 VIEW_CONVERT_EXPRs.
9881
9882 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
9883
9884 PR rtl-optimization/30907
9885 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
9886 (fwprop_init): Always call loop_optimizer_initialize.
9887 (fwprop_done): Always call loop_optimizer_finalize.
9888 (fwprop): We always have loop info now.
9889 (gate_fwprop_addr): Remove.
9890 (pass_fwprop_addr): Use gate_fwprop as gate.
9891
9892 PR rtl-optimization/30841
9893 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
9894 df_chain_alloc): Call df_reorganize_refs unconditionally.
9895 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
9896 refs_organized to refs_organized_size.
9897 (df_ref_create_structure): Use refs_organized_size instead of
9898 bitmap_size if refs had been organized, and keep refs_organized_size
9899 up-to-date.
9900 * df.h (struct df_ref_info): Change refs_organized to
9901 refs_organized_size.
9902 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
9903 bitmap_size.
9904
9905 2007-03-19 Mark Mitchell <mark@codesourcery.com>
9906
9907 * except.c (output_function_exception_table): Do not reference the
9908 EH personality routine for functions that do not require an
9909 exception table.
9910
9911 2007-03-20 Jakub Jelinek <jakub@redhat.com>
9912
9913 PR c/30762
9914 * c-typeck.c (convert_for_assignment): Call comptypes for
9915 RECORD_TYPE or UNION_TYPE.
9916
9917 PR inline-asm/30505
9918 * reload1.c (reload): Do invalid ASM checking after
9919 cleanup_subreg_operands.
9920
9921 2007-03-19 Jeff Law <law@redhat.com>
9922
9923 * tree-cfg.c (find_taken_edge): Tighten conditions for
9924 optimizing computed gotos.
9925
9926 2007-03-19 Michael Matz <matz@suse.de>
9927
9928 * builtins.c (expand_builtin_sync_operation,
9929 expand_builtin_compare_and_swap,
9930 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
9931 correctly.
9932
9933 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
9934 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
9935 for operand 3.
9936
9937 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9938
9939 * doc/tm.texi: Add brackets around the return type of
9940 TARGET_SECONDARY_RELOAD.
9941
9942 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
9943 Richard Guenther <rguenther@suse.de>
9944
9945 PR tree-optimization/31254
9946 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9947 Use handled_component_p () where appropriate. Continue
9948 propagating into the rhs if we propagated into an INDIRECT_REF
9949 on the lhs.
9950
9951 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9952
9953 * config/s390/s390.md (op_type attribute): RRR instruction type added.
9954 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
9955 (xde, xdee): Mode attributes adjusted to support DFP modes.
9956 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
9957 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
9958 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
9959 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
9960 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
9961 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9962 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
9963 numbers.
9964 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
9965 "movsf"): Insn definitions removed.
9966 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
9967 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
9968 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
9969 definitions added.
9970 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
9971 "reload_in<mode>", "reload_out<mode>"): Expander added.
9972 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
9973 Expander removed.
9974
9975 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9976
9977 * config/s390/s390.md: Only non-functional changes. Renamed
9978 FPR mode macro to BFP all over the file.
9979
9980 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9981
9982 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
9983 (op_type attribute): RRF instruction type added.
9984 (fT0): New mode attribute.
9985 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
9986 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
9987 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
9988 instruction no secondary memory is needed when moving DFmode values
9989 between GPRs and FPRs.
9990
9991 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
9992
9993 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
9994 inverted and documentation adjusted.
9995 ("mhard-dfp", "msoft-dfp"): New options.
9996 * config/s390/s390.c (s390_handle_arch_option): New architecture
9997 switch: z9-ec.
9998 (override_options): Sanity checks for the new options added.
9999 * config.gcc: New architecture switch: z9-ec.
10000 * config/s390/s390.h (processor_flags): PF_DFP added.
10001 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
10002 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
10003 when the bit is NOT set so remove it from the defaults.
10004
10005 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10006
10007 * genemit.c (main): Print include statement for dfp.h.
10008 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
10009 is not available.
10010
10011 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
10012
10013 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
10014
10015 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
10016
10017 PR target/31022
10018 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
10019 instead of PATTERN.
10020
10021 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10022
10023 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
10024 attr_length_call, output_call, output_indirect_call): Cleanup
10025 formatting of targetm calls.
10026
10027 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
10028
10029 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
10030
10031 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10032
10033 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
10034 reservation, bypass and anti-bypass descriptions for these
10035 instructions. Update move patterns.
10036 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
10037 TYPE_FPSTORE.
10038
10039 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
10040
10041 * tree-vect-transform.c (get_initial_def_for_induction): Replace
10042 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
10043 (get_initial_def_for_reduction): Likewise.
10044
10045 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
10046
10047 Fix PR tree-optimization/29922
10048 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
10049 (get_representative): Removed.
10050 (value_dies_in_block_x): Update for rvuse removal.
10051 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
10052 (compute_antic_aux): Handle when PHI nodes appear in
10053 non-single-successors.
10054 (dump_bitmap_of_names): Removed.
10055 (compute_antic_safe): Renamed and removed rvuse calculation.
10056 Calculate only antic safe.
10057 (insert_into_preds_of_block): Remove assert.
10058 (execute_pre): Update for renamed functions.
10059 (defer_or_phi_translate_block): New function.
10060
10061 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
10062
10063 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
10064 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
10065 typos.
10066 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
10067 Follow spelling conventions.
10068
10069 * tree-data-ref.h: Remove the prototype for analyze_array.
10070
10071 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
10072
10073 PR tree-optimization/31041
10074 * tree-vect-transform.c (get_initial_def_for_induction): Call
10075 force_gimple_operand.
10076
10077 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
10078
10079 * ipa-type-escape.c (look_for_casts) : Revert code to use
10080 handled_component_p due to ada test a-numaux.adb.
10081
10082 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
10083
10084 * final.c (final_scan_insn): Alter the condition of a
10085 conditional trap if we have nonstandard CC.
10086
10087 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
10088
10089 * configure.ac: Remove excess quoting from asm line 0 test.
10090 * configure: Rebuilt.
10091
10092 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10093
10094 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
10095 * c-common.c (convert_and_check): Move warning logic to...
10096 (warnings_for_convert_and_check): ...here. Define.
10097 * c-common.h (warnings_for_convert_and_check): Declare.
10098
10099 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10100
10101 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
10102 (output_call): Likewise.
10103
10104 2007-03-16 Richard Sandiford <richard@codesourcery.com>
10105
10106 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
10107
10108 2007-03-16 Richard Sandiford <richard@codesourcery.com>
10109
10110 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
10111
10112 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
10113
10114 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
10115 opteron, athlon-64 and athlon-fx processor_alias_table entries.
10116
10117 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
10118
10119 PR tree-optimization/31183
10120 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
10121 Use double_int instead of unsigned int for representing access_strides.
10122 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
10123
10124 2007-03-16 Richard Guenther <rguenther@suse.de>
10125
10126 PR tree-optimization/31146
10127 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
10128 to allow recursion of forward_propagate_addr_expr.
10129 (forward_propagate_addr_into_variable_array_index): Likewise.
10130 (forward_propagate_addr_expr): Likewise.
10131 (tree_ssa_forward_propagate_single_use_vars): Likewise.
10132 (forward_propagate_addr_expr_1): Recurse on simple copies
10133 instead of propagating into them. Do so for useless conversions
10134 as well.
10135 (forward_propagate_addr_expr): Clean up unused statements after
10136 recursion.
10137
10138 2007-03-16 Richard Guenther <rguenther@suse.de>
10139
10140 * builtins.c (expand_builtin_cexpi): Use the right argument
10141 for the expansion via cexp.
10142
10143 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
10144
10145 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
10146 * configure: Rebuilt.
10147
10148 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
10149
10150 PR debug/29906
10151 * dwarf2out.c (force_type_die): Adjust comment.
10152 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
10153
10154 2007-03-15 DJ Delorie <dj@redhat.com>
10155
10156 * config/frv/predicates.md (minmax_operator): Don't check operands
10157 here.
10158
10159 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10160
10161 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
10162 Update constant estimates of number of iterations.
10163 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
10164 argument renamed to "realistic".
10165 (compute_estimated_nb_iterations): Removed.
10166 (record_niter_bound): New function.
10167 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
10168 call record_nonwrapping_iv with upper = false.
10169 (infer_loop_bounds_from_signedness): Pass upper argument to
10170 record_nonwrapping_iv.
10171 (estimate_numbers_of_iterations_loop): Do not call
10172 compute_estimated_nb_iterations. Record estimate based on profile
10173 information. Initialize the constant estimates of number of
10174 iterations.
10175 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
10176 estimates.
10177 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
10178 number of iterations is too small.
10179 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
10180 (EST_NOT_AVAILABLE): Removed.
10181 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
10182 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
10183 fields.
10184
10185 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10186
10187 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
10188 Handle NE_EXPR guards.
10189
10190 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10191
10192 PR c++/24924
10193 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
10194 Set also -pedantic-errors by default for the preprocessor unless
10195 -fpermissive is given.
10196
10197 2007-03-15 Richard Guenther <rguenther@suse.de>
10198
10199 PR middle-end/29719
10200 PR middle-end/31161
10201 * builtins.c (expand_builtin_cexpi): As a fallback if we
10202 don't have builtins for sincos or cexp create a function
10203 declaration for cexp and expand to a call to that.
10204 (expand_builtin_int_roundingfn): Always fall
10205 back to floor/ceil and its variants even if they may be
10206 not available.
10207
10208 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
10209
10210 PR middle-end/31159
10211 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
10212 jump tables, move the call to delete_dead_jumptables from here...
10213 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
10214 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
10215 don't allow merging of blocks that try_redirect_by_replacing_jump
10216 also does not handle when not optimizing.
10217
10218 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
10219 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10220
10221 * config/i386/i386.md (x86_sahf_1): Correctly handle
10222 HAVE_AS_IX86_SAHF.
10223
10224 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
10225
10226 PR target/31167
10227 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
10228 x86_64_general_operand as operand[2] predicate. Remove "iF"
10229 from operand constraints and use "e" constraint instead.
10230 (*subti3_1, *subti3_1 splitter): Ditto.
10231 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
10232 operand[1] predicate.
10233
10234 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
10235
10236 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
10237 arrays, multiply the access strides by the size of the sub-array.
10238 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
10239
10240 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
10241
10242 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
10243 the configured assembler supports the sahf mnemonic.
10244 * configure: Regenerate.
10245 * config.in: Regenerate.
10246
10247 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
10248 emit "sahf" or ".byte\t0x9e" as asm template.
10249
10250 2007-03-14 Michael Meissner <michael.meissner@amd.com>
10251
10252 PR 31018
10253 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
10254 option to replace hard coded TARGET_xxx in md file.
10255 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
10256 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
10257 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
10258 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
10259 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
10260 (X86_TUNE_NOT_VECTORMODE): Ditto.
10261 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
10262 (TUNE_AVOID_VECTOR_DECODE): Ditto.
10263 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
10264 (TUNE_SLOW_IMUL_IMM8): Ditto.
10265 (TUNE_MOVE_M1_VIA_OR): Ditto.
10266 (TUNE_NOT_UNPAIRABLE): Ditto.
10267 (TUNE_NOT_VECTORMODE): Ditto.
10268
10269 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
10270 options.
10271
10272 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
10273 tuning options instead of hard coded TARGET_xxx.
10274 (fix ssemode peephole2's): Ditto.
10275 (imul peephole2's): Ditto.
10276 (movsi_or): Ditto.
10277 (movdi_or_rex64): Ditto.
10278 (move peephole2): Ditto.
10279 (not peephole2's): Ditto.
10280
10281 2007-03-14 Dirk Mueller <dmueller@suse.de>
10282
10283 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
10284 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
10285 * c-parser.c (c_parser_if_body): Always add an empty statement in case
10286 of empty body.
10287 * c-parser.c (c_parser_do_statement): Warn about empty body in
10288 do/while statement.
10289 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
10290 * doc/invoke.texi (-Wempty-body): Update documentation.
10291
10292 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10293
10294 PR c/21438
10295 * c-common.h (warn_for_div_by_zero): Declare.
10296 * c-common.c (warn_for_div_by_zero): Define.
10297 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
10298 warning.
10299
10300 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10301
10302 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
10303 to PREFIX and STANDARD_PREFIX.
10304
10305 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10306 Phil Edwards <phil@codesourcery.com>
10307
10308 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
10309 (__gthread_once_t): Remove busy field for RTPs.
10310 (__GTHREAD_ONCE_INIT): Update accordingly.
10311
10312 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10313
10314 * doc/invoke.texi: Document VxWorks options.
10315
10316 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
10317
10318 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
10319
10320 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
10321
10322 PR tree-optimization/30590
10323 * tree-nrv.c (tree_nrv): Check for the partial update of the
10324 return value.
10325
10326 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10327
10328 * flags.h (flag_random_seed): Remove declaration, in favor of...
10329 * toplev.h (get_random_seed, set_random_seed): ... these.
10330 * tree.c (get_file_function_name): Use the former.
10331 * opts.c (common_handle_option): Use the latter.
10332 * toplev.c
10333
10334 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
10335
10336 PR middle-end/31127
10337 * cse.c (cse_find_path): Do not bail out if a basic block that
10338 we already visited now becomes part of a path that starts at a
10339 different basic block. Just disallow this, to make sure we
10340 visit each basic block at most once.
10341
10342 2007-03-13 Jan Hubicka <jh@suse.cz>
10343
10344 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
10345 attributes, when profile esitmate is present, calls with very low
10346 frequency are cold.
10347
10348 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10349
10350 PR tree-optimization/30730
10351 PR tree-optimization/26900
10352 * tree-ssa-loop-niter.c: Include gmp.h.
10353 (bounds): New type.
10354 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
10355 split_to_var_and_offset, determine_value_range,
10356 bound_difference_of_offsetted_base, refine_bounds_using_guard,
10357 bound_difference, bounds_add, bounds_negate,
10358 number_of_iterations_ne_max, dump_affine_iv): New functions.
10359 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10360 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
10361 difference of initial and final value of control iv to validate
10362 results.
10363 (number_of_iterations_cond): Add loop parameter. Determine bounds
10364 on the difference of the extremes of the control iv. Add dumps.
10365 (expand_simple_operations): Handle phi nodes.
10366 (simplify_using_initial_conditions): Do not record used conditions.
10367 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
10368 Do not set additional_info.
10369 (implies_nonnegative_p, implies_ge_p): Removed.
10370 (derive_constant_upper_bound): Do not use parameter `additional'.
10371 (record_estimate): Parameter `additional' removed. Parameter
10372 `i_bound' added. Do not call derive_constant_upper_bound.
10373 (record_nonwrapping_iv): Use derive_constant_upper_bound to
10374 bound the number of iterations estimate.
10375 (estimate_numbers_of_iterations_loop): Pass the estimate from
10376 the number of iterations analysis to record_estimate.
10377 * tree.h (multiple_of_p): Declare.
10378 * tree-scalar-evolution.c (expression_expensive_p): Removed.
10379 (scev_const_prop): Do not check expression_expensive_p.
10380 * fold-const.c (multiple_of_p): Exported.
10381 * double-int.c (double_int_mask): Exported.
10382 * double-int.h (double_int_mask): Declare.
10383 * tree-flow.h (struct tree_niter_desc): Removed additional_info
10384 field. Added max field.
10385
10386 2007-03-13 David Taylor <taylor@candd.org>
10387
10388 PR driver/12448:
10389 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
10390 default -MQ.
10391
10392 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10393
10394 PR target/31123
10395 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
10396 two unamed patterns.
10397
10398 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
10399
10400 * config/i386/i386.opt (mcx16, msahf): New options.
10401 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
10402 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
10403
10404 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
10405 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
10406 Output -mcx16 and -msahf options when corresponding bit is set.
10407
10408 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
10409 and -msahf options.
10410
10411 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10412
10413 * configure.ac: Test for assembler tolerance to # 0 "".
10414 * configure, config.in: Rebuilt.
10415 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
10416
10417 2007-03-13 Geoffrey Keating <geoffk@apple.com>
10418
10419 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
10420
10421 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
10422 (handle_syscall): Handle direct system calls.
10423 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
10424
10425 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10426
10427 * doc/invoke.texi: Fix cpp.info cross-reference.
10428 * doc/passes.texi: Fix gcc.info cross-reference.
10429
10430 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
10431
10432 PR tree-optimization/30835
10433 * lambda-code.c (can_convert_to_perfect_nest): Check whether
10434 bb_for_stmt is not NULL before accessing it.
10435
10436 2007-03-12 Joseph Myers <joseph@codesourcery.com>
10437
10438 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
10439 some multilibs.
10440
10441 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10442
10443 PR 30635
10444 * doc/install.texi: Document --enable-stage1-languages
10445
10446 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
10447
10448 * tree-pass.h (pass_into_cfg_layout_mode,
10449 pass_outof_cfg_layout_mode): Declare.
10450 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
10451 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
10452 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
10453 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
10454
10455 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
10456
10457 * c-decl.c (warn_variable_length_array): New function.
10458 Refactored from grokdeclarator to handle warn_vla
10459 and handle unnamed array case.
10460 (grokdeclarator): Refactored VLA warning case.
10461 * c.opt (Wvla): New flag.
10462 * doc/invoke.texi (Wvla): New warning.
10463
10464 2007-03-12 Richard Henderson <rth@redhat.com>
10465
10466 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
10467 (TARGET_SECTION_TYPE_FLAGS): New.
10468
10469 2007-03-12 Richard Henderson <rth@redhat.com>
10470
10471 * config/darwin.c (machopic_reloc_rw_mask): New.
10472 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10473 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
10474
10475 2007-03-12 Mark Mitchell <mark@codesourcery.com>
10476
10477 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
10478 * cppdefault.h (cpp_PREFIX): Document.
10479 (cpp_PREFIX_len): Likewise.
10480 (cpp_EXEC_PREFIX): New variable.
10481 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
10482 * c-incpath.c (add_standard_paths): Correct logic for relocating
10483 paths within prefix.
10484
10485 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
10486
10487 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
10488 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
10489 mode macro.
10490 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
10491 fix_truncdfdi_sse using SSEMODEF mode macro.
10492 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
10493 fix_truncdfsi_sse using SSEMODEF mode macro.
10494 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
10495 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
10496
10497 2007-03-12 Richard Sandiford <richard@codesourcery.com>
10498
10499 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
10500 elfos.h to tm_file.
10501
10502 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
10503
10504 * tree.h : Add multiple_of_p declaration.
10505 * fold-const.c (multiple_of_p): Make multiple_of_p public.
10506 * ipa-type-escape.c (results_of_malloc): Redundant.
10507 (visited_stmts): New. Visited stmt for walk_use_def_chains.
10508 (cast_type): Extended with new members.
10509 (check_cast): Returns cast_type.
10510 (cast): New structure for data of walk_use_def_chains.
10511 (is_malloc_result, is_cast_from_non_pointer_1,
10512 is_cast_from_non_pointer,
10513 is_array_access_through_pointer_and_index): New functions.
10514 (look_for_casts): Returns cast types.
10515 (check_call): Returns void.
10516 (okay_pointer_operation): Use support of pointer plus index,
10517 pointer plus constant and allow all multiplications.
10518
10519 2007-03-11 Richard Guenther <rguenther@suse.de>
10520
10521 PR tree-optimization/31115
10522 * tree-vrp.c (extract_range_from_binary_expr): Make sure
10523 the shift count is positive and non-anti-range for RSHIFT_EXPR.
10524 A shift count of zero is not special as with *_DIV_EXPR.
10525 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
10526 direction.
10527
10528 2007-03-11 Ian Lance Taylor <iant@google.com>
10529
10530 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
10531 the *_DIV_EXPR codes correctly with overflow infinities.
10532
10533 2007-03-11 Ira Rosen <irar@il.ibm.com>
10534
10535 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
10536 indicate success/failure of the analysis. Add negation to subtrahend
10537 in case of subtraction. Fail if both operands contain constants.
10538 (create_data_ref): Fail if analyze_offset fails.
10539
10540 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
10541
10542 * config/i386/i386.md (frndintxf2): Rename to ...
10543 (rintxf2): ... this. Remove expander having same name.
10544 (rintsf2, rintdf2): Implement using SSEMODEF macro.
10545 (roundsf2, rounddf2): Ditto.
10546 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
10547 (lround<mode>di2, lround<mode>si2): Ditto.
10548
10549 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
10550
10551 * lower-subreg.c: Include except.h.
10552 (decompose_multiword_subregs): Verify that the only control flow
10553 insns we can split are loads to multi-words pseudos.
10554 Handle breaking such blocks after splitting, instead of calling
10555 find_many_sub_basic_blocks.
10556
10557 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
10558 on the new basic block. Add a lengthy comment explaining why we
10559 thought this was necessary.
10560 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
10561
10562 2007-03-10 Mark Mitchell <mark@codesourcery.com>
10563
10564 PR c++/30924
10565 * tree.c (walk_type_fields): Recurse into the element type of
10566 ARRAY_TYPEs if there is a pointer set.
10567
10568 2007-03-10 Dirk Mueller <dmueller@suse.de>
10569
10570 * c-common.c (warn_logical_operator): Fix condition.
10571
10572 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
10573
10574 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
10575 quotation mark.
10576 * config/darwin.c (machopic_select_section): Remove superfluous
10577 argument in call to categorize_decl_for_section. Remove unused
10578 variable shlib.
10579
10580 2007-03-10 Joseph Myers <joseph@codesourcery.com>
10581
10582 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
10583 defined.
10584 * configure: Regenerate.
10585
10586 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
10587
10588 PR target/31101
10589 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
10590 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
10591 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
10592 Add LABEL_NUSES to emitted label.
10593 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
10594 branch probability value to emitted jump insn.
10595 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
10596 Do not check life information and do not re-arrange input operands
10597 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
10598
10599 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10600
10601 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
10602 the change of decode_asm_operands.
10603
10604 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10605
10606 * mode-switching.c (create_pre_exit): Skip blockage insn.
10607
10608 2007-03-09 Diego Novillo <dnovillo@redhat.com>
10609
10610 * tree-pass.h (TODO_update_smt_usage): Remove.
10611 Update all users.
10612 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
10613 argument SOME.
10614 Update all users.
10615
10616 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10617
10618 * pa.c (attr_length_call): Revise condition for long
10619 pc-relative branch.
10620 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
10621 local calls on the SOM target. Don't use "LONG_PIC_PCREL" call
10622 sequence on SOM target.
10623
10624 2007-03-09 Geoffrey Keating <geoffk@apple.com>
10625
10626 * gcc.c: Document %{, in big comment at top.
10627 (input_suffix_matches): Remove special handling for .s and
10628 .S.
10629 (input_spec_matches): New.
10630 (handle_braces): Handle %{,.
10631 (validate_switches): ',' indicates a value which is not a switch.
10632 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
10633 to detect assembler input.
10634 * config/i386/sol2.h (CPP_SPEC): Likewise.
10635 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
10636 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
10637 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
10638 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
10639 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
10640 -m64 causes deployment target to default to 10.5.
10641 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10642
10643 2007-03-09 Richard Henderson <rth@redhat.com>
10644
10645 PR target/26090
10646 * target.h (targetm.asm.out.reloc_rw_mask): New.
10647 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
10648 (TARGET_ASM_OUT): Use it.
10649 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
10650 * varasm.c (categorize_decl_for_section): Remove shlib argument;
10651 use the new reloc_rw_mask target hook instead.
10652 (default_section_type_flags_1): Merge into...
10653 (default_section_type_flags): ... here.
10654 (decl_readonly_section_1): Merge into...
10655 (decl_readonly_section): ... here.
10656 (default_elf_select_section_1): Merge into...
10657 (default_elf_select_section): ... here.
10658 (default_unique_section_1): Merge into...
10659 (default_unique_section): ... here.
10660 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
10661 (default_select_rtx_section): Use it.
10662 (default_elf_select_rtx_section): Likewise.
10663 * output.h: Update to match.
10664 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
10665 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
10666 (TARGET_ASM_RELOC_RW_MASK): New.
10667 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
10668 to categorize_decl_for_section.
10669 (x86_64_elf_unique_section): Likewise.
10670 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
10671 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
10672 (TARGET_ASM_RELOC_RW_MASK): New.
10673 * config/ia64/ia64.c (ia64_rwreloc_select_section,
10674 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
10675 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
10676 (TARGET_RWRELOC): Remove.
10677 (ia64_section_type_flags): Adjust call to default_section_type_flags.
10678 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10679 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
10680 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
10681 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
10682 (rs6000_xcoff_select_section): Use decl_readonly_section.
10683 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
10684 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10685 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
10686 (TARGET_SECTION_TYPE_FLAGS): Remove.
10687 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
10688
10689 2007-03-09 Roger Sayle <roger@eyesopen.com>
10690
10691 * fold-const.c (fold_comparison): Remove compile-time evaluation of
10692 complex constant equality/inequality comparisons for here.
10693 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
10694 known at compile-time or can be simplified to a scalar comparison.
10695 (fold_relational_const): Move compile-time evaluation of complex
10696 constant equality/inequality comparisons to here.
10697
10698 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10699
10700 PR rtl-optimization/30643
10701 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
10702 dest_addr_elt.
10703 (fold_rtx): Recurse, like before 2006-11-03.
10704
10705 2007-03-09 DJ Delorie <dj@redhat.com>
10706
10707 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
10708 m32c-pragma.o.
10709
10710 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
10711
10712 PR tree-optimization/30375
10713 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
10714 LHS of statements is not the same.
10715 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
10716
10717 2007-03-09 Chao-ying Fu <fu@mips.com>
10718
10719 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
10720 REV 2.
10721 * doc/invoke.texi (-mdspr2): Document new option.
10722 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
10723 New unspec for DSP REV 2.
10724 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
10725 these instructions are extended in DSP REV 2.
10726 (mips-dspr2.md): Include.
10727 * config/mips/mips.opt (mdspr2): New option.
10728 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
10729 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
10730 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
10731 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
10732 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
10733 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
10734 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
10735 and 2 builtins.
10736 (bdesc_map): Add one field of unsupported_target_flags.
10737 (bdesc_arrays): Update entries to have extra fields. Add
10738 dsp_32only_bdesc.
10739 (mips_init_builtins): Initialize new function types.
10740 Check unsupported_target_fileds to filter out builtins.
10741 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
10742 TARGET_DSPR2.
10743 (ASM_SPEC): Pass mdspr2 to the assembler.
10744 * config/mips/mips-dspr2.md: New file.
10745
10746 2007-03-09 Sa Liu <saliu@de.ibm.com>
10747
10748 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
10749
10750 2007-03-09 Ian Lance Taylor <iant@google.com>
10751
10752 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
10753 argument) like -Wstrict-overflow=2.
10754 * doc/invoke.texi (Warning Options): Update documentation.
10755
10756 2007-03-09 Dirk Mueller <dmueller@suse.de>
10757
10758 PR c++/17946
10759 * doc/invoke.texi (-Wlogical-op): Document.
10760 * common.opt (-Wlogical-op): New.
10761 * c-common.h (warn_logical_operator): Declare.
10762 * c-common.c (warn_logical_operator): Define.
10763 * c-typeck.c (parser_build_binary_op): Call
10764 warn_logical_operator.
10765
10766 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10767
10768 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
10769 * final.c (final_scan_insn): Test for non-"" file name.
10770
10771 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
10772
10773 * doc/loop.texi: Document the Omega linear constraints solver.
10774 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
10775 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
10776 omega-hash-table-size, omega-max-keys, and
10777 omega-eliminate-redundant-constraints.
10778 * tree-pass.h (pass_check_data_deps): Declared.
10779 * omega.c: New.
10780 * omega.h: New.
10781 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
10782 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
10783 pass_check_data_deps): New.
10784 * tree-data-ref.c (init_data_ref): Remove declaration.
10785 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
10786 (analyze_array): Renamed init_array_ref, move up initializations.
10787 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
10788 Removed arguments that are set to NULL.
10789 (analyze_indirect_ref): Correct indentation, correct call to
10790 init_pointer_ref.
10791 (object_analysis): Call init_array_ref instead of analyze_array.
10792 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
10793 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
10794 of DR_ACCESS_FNS_ADDR.
10795 (init_omega_eq_with_af, omega_extract_distance_vectors,
10796 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
10797 ddr_consistent_p): New.
10798 (compute_affine_dependence): Check consistency of ddrs when
10799 flag_check_data_deps is passed.
10800 (analyze_all_data_dependences): Uncomment.
10801 (tree_check_data_deps): New.
10802 * tree-data-ref.h: Include omega.h.
10803 (DR_ACCESS_FNS_ADDR): Removed.
10804 (data_dependence_relation): Add inner_loop.
10805 (DDR_INNER_LOOP): New.
10806 * common.opt (fcheck-data-deps): New.
10807 * tree-flow.h (tree_check_data_deps): Declare.
10808 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
10809 (OBJS-common): Depend on omega.o.
10810 (omega.o): Define.
10811 * passes.c (pass_check_data_deps): Scheduled.
10812 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
10813 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
10814 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
10815 PARAM_VECT_MAX_VERSION_CHECKS,
10816 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
10817
10818 2007-03-09 Richard Guenther <rguenther@suse.de>
10819
10820 PR tree-optimization/30904
10821 PR middle-end/31058
10822 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
10823 the same way as *_DIV_EXPR.
10824
10825 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10826
10827 * recog.c (decode_asm_operands): No mixed declarations and code.
10828
10829 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10830
10831 * rtl.def (ASM_INPUT): Add location.
10832 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
10833 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
10834 (decode_asm_operands): Add loc operand.
10835 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
10836 * stmt.c (expand_asm): Rename to...
10837 (expand_asm_loc): ... this. Add locus argument. Pass it on to
10838 gen_rtx_ASM_INPUT_loc.
10839 (expand_asm_expr): Adjust.
10840 * recog.c (decode_asm_operands): Add loc operand.
10841 (check_asm_operands, extract_insn): Adjust.
10842 * reload1.c (maybe_fix_stack_asms): Likewise.
10843 * final.c (asm_insn_count): Likewise.
10844 (final_scan_insn): Output # line before and after asm.
10845
10846 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
10847
10848 * tree-ssa-structalias.c (variable_info): Remove
10849 finished_solution.
10850 (new_var_info): Ditto.
10851 (shared_bitmap_info_t): New structure.
10852 (shared_bitmap_table): New variable.
10853 (shared_bitmap_hash): New function.
10854 (shared_bitmap_eq): Ditto
10855 (shared_bitmap_lookup): Ditto.
10856 (shared_bitmap_add): Ditto.
10857 (merge_smts_into): Change to take bitmap directly.
10858 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
10859 (init_alias_vars): Init shared bitmap hashtable.
10860 (delete_points_to_sets): Delete shared bitmap hashtable.
10861 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
10862 is_aliased removal as a change that was still necessary was
10863 deleted.
10864
10865 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
10866
10867 * config/i386/i386.h (override_options): Conditionally disable
10868 x86_sahf for 64bit targets only.
10869
10870 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
10871
10872 PR C/31072
10873 * c-decl.c (merge_decls): Don't call make_var_volatile.
10874 * varasm.c (make_var_volatile): Remove.
10875 * output.h (make_var_volatile): Remove.
10876
10877 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
10878
10879 PR tree-optimization/31085
10880 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
10881
10882 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10883
10884 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
10885 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
10886 ATTR_CONST_NOTHROW_LIST.
10887
10888 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
10889 FIX_TRUNC_EXPR.
10890
10891 2007-03-08 Diego Novillo <dnovillo@redhat.com>
10892
10893 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
10894
10895 2007-03-08 Geoffrey Keating <geoffk@apple.com>
10896
10897 PR 31013
10898 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
10899 is declared.
10900 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
10901 passed, use shared libgcc.
10902
10903 2007-03-08 Roger Sayle <roger@eyesopen.com>
10904
10905 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
10906 instead of calling build2 with a GIMPLE_MODIFY_STMT.
10907 (honor_protect_cleanup_actions, lower_try_finally_switch):
10908 Likewise.
10909 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
10910 ifc_temp_var): Likewise.
10911 * tree-inline.c (setup_one_parameter): Likewise.
10912 * tree-mudflap.c (mf_decl_cache_locals,
10913 mf_build_check_statement_for): Likewise.
10914 * tree-nested.c (init_tmp_var, save_tmp_var,
10915 finalize_nesting_tree_1): Likewise.
10916 * tree-outof-ssa.c (insert_copy_on_edge,
10917 insert_backedge_copies): Likewise.
10918 * tree-profile.c (tree_gen_edge_profiler,
10919 tree_gen_ic_profiler): Likewise.
10920 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10921 * tree-sra.c (sra_build_assignment): Likewise.
10922 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
10923 * tree-ssa-math-opts.c (insert_reciprocals,
10924 execute_cse_sincos_1): Likewise.
10925 * tree-tailcall.c (adjust_accumulator_values,
10926 adjust_return_value): Likewise.
10927 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
10928 * tree-vect-transform.c (vect_create_data_ref_ptr,
10929 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
10930 vect_create_epilog_for_reduction, vectorizable_reduction,
10931 vectorizable_call, vectorizable_conversion,
10932 vectorizable_assignment, vectorizable_operation,
10933 vectorizable_type_demotion, vect_gen_widened_results_half,
10934 vect_permute_store_chain, vectorizable_store,
10935 vect_setup_realignment, vect_permute_load_chain,
10936 vectorizable_load, vectorizable_condition,
10937 vect_create_cond_for_align_checks): Likewise.
10938 * tree-vrp.c (build_assert_expr_for): Likewise.
10939
10940 2007-03-08 Ian Lance Taylor <iant@google.com>
10941
10942 * tree-vrp.c: Include "intl.h".
10943 (usable_range_p): New static function.
10944 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
10945 overflowed values, juts set *strict_overflow_p.
10946 (compare_values): Only return -2 if one of the operands is not a
10947 constant.
10948 (compare_ranges): Call usable_range_p.
10949 (compare_range_with_value): Likewise.
10950 (vrp_evaluate_conditional_warnv): Rename from
10951 vrp_evaluate_conditional. Make static. Change all callers.
10952 (vrp_evaluate_conditional): New function.
10953 (simplify_div_or_mod_using_ranges): Issue warning about reliance
10954 on signed overflow.
10955 (simplify_abs_using_ranges): Likewise.
10956 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
10957 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
10958 within_stmt parameter.
10959 * tree-ssa-propagate.c (fold_predicate_in): Update call to
10960 vrp_evaluate_conditional.
10961 * tree-ssa-threadedge.c
10962 (record_temporary_equivalences_from_stmts_at_dest): Change
10963 simplify parameter to take a second tree parameter.
10964 (simplify_control_stmt_condition): Likewise.
10965 (thread_across_edge): Likewise.
10966 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
10967 (thread_across_edge): Likewise.
10968 * Makefile.in (tree-vrp.o): Depend upon intl.h.
10969
10970 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
10971
10972 * config/i386/i386.h (TARGET_SAHF): New define.
10973 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
10974 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
10975 (x86_sahf): New global variable.
10976 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
10977 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
10978 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
10979 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
10980 for 64-bit.
10981 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
10982 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
10983 when expanding fcomi/sahf based tests.
10984 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
10985 expanding sahf based alternative. Emit sahf based sequence when
10986 optimizing for code size.
10987 * config/i386/i386.md (x86_sahf_1): Do not disable for
10988 TARGET_64BIT, enable for TARGET_SAHF.
10989
10990 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
10991
10992 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
10993 spurious whitespace from error message.
10994
10995 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
10996
10997 PR c++/30852
10998 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
10999
11000 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
11001
11002 * c-decl.c (grokdeclarator): Disable warnings for anonymous
11003 bitfields.
11004 * tree-sra.c (instantiate_element): Propagate disabled warnings
11005 from the element itself to the created variable.
11006
11007 2007-03-07 Richard Henderson <rth@redhat.com>
11008
11009 PR target/30848
11010 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
11011 silently fix up the stack in the case of a missing register.
11012
11013 2007-03-07 Paul Brook <paul@codesourcery.com>
11014
11015 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
11016
11017 2007-03-07 Joseph Myers <joseph@codesourcery.com>
11018
11019 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
11020 New.
11021 (phase1_vrs): Use them.
11022 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
11023 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
11024 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
11025 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
11026 __gnu_Unwind_Restore_WMMXC if required.
11027 (_Unwind_VRS_Pop): Implement iWMMXt support.
11028 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
11029 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
11030 gnu_Unwind_Save_WMMXC): Define.
11031
11032 2007-03-07 Richard Sandiford <richard@codesourcery.com>
11033
11034 * config/vxworks.h (vxworks_override_options): Declare.
11035 (VXWORKS_OVERRIDE_OPTIONS): Use it.
11036 * config/vxworks.c: Include target.h and toplev.h.
11037 (vxworks_override_options): New function.
11038 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
11039
11040 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
11041
11042 * config/s390/s390.c (override_options): Don't emit an error when
11043 -mstack-size is used without providing -mstack-guard.
11044 (s390_emit_prologue): Choose stack_guard value automatically if not
11045 provided via command line.
11046 * doc/invoke.texi: Adjust description of -mstack-guard and
11047 -mstack-size.
11048
11049 2007-03-07 Richard Sandiford <richard@codesourcery.com>
11050
11051 * config/i386/i386.c (output_set_got): Add a GOT initialization
11052 sequence for VxWorks PIC.
11053 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
11054 around labels as well as symbols. Use gotoff_operand instead
11055 of local_symbolic_operand.
11056 (legitimize_pic_address): Use gotoff_operand instead of
11057 local_symbolic_operand. Use @GOT accesses for labels as
11058 well as symbols.
11059 (ix86_output_addr_diff_elt): Use PC-relative rather than
11060 GP-relative offsets for VxWorks PIC.
11061 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
11062 no_new_pseudos. Check whether the returned register is op0.
11063 * config/i386/i386.md (tablejump): Use PC-relative rather than
11064 GP-relative offsets for VxWorks PIC.
11065 * config/i386/predicates.md (gotoff_operand): New predicate.
11066
11067 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11068
11069 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
11070 before defining.
11071 * config/vxworks-dummy.h: New file.
11072 * config/i386/i386.h: Include it.
11073
11074 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
11075
11076 * dwarf2out.c (is_inlined_entry_point): New
11077 (add_high_low_attributes): Emit DW_AT_entry_pc along with
11078 DW_AT_ranges if the first subblock is the entry point.
11079
11080 2007-03-06 David Daney <ddaney@avtrex.com>
11081
11082 * doc/install.texi (mips-*-*): Change recommended binutils
11083 version.
11084
11085 2007-03-06 Anatoly Sokolov <aesok@post.ru>
11086
11087 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
11088 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
11089 devices.
11090 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11091 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11092
11093 2007-03-06 Jan Hubicka <jh@suse.cz>
11094
11095 * errors.h (warning, error, fatal, internal_error): Mark as cold.
11096 * predict.c (maybe_hot_bb): Cold functions are never hot; hot
11097 functions are hot.
11098 (probably_cold_bb_p): Cold functions are cold.
11099 (probably_never_executed_bb_p): Cold functions are cold.
11100 (tree_bb_level_predictions): Predict calls to cold functions as not
11101 taken.
11102 (compute_function_frequency): Check hot/cold attributes.
11103 * function.h (function_frequency): Update comments.
11104 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
11105 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
11106 (c_common_att): Add cold and hot.
11107
11108 * doc/extend.texi (hot,cold attributes): Document.
11109
11110 2007-03-06 Andrew Haley <aph@redhat.com>
11111
11112 * function.c (expand_function_end): Move blockage to just after we
11113 emit the label for the naked return from the function.
11114
11115 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11116
11117 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
11118 before redefining.
11119
11120 2007-03-06 Jan Hubicka <jh@suse.cz>
11121
11122 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
11123 loaded for constant large models. Non-large 64bit PIC can do.
11124 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
11125 * cmodel.h: Add LARGE PIC.
11126 * i386.md (UNSPEC_PLTOFF): New.
11127 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
11128 unspecs as needed.
11129 (*call_1_rex64): Disable for large models.
11130 (*call_1_rex64_large): New.
11131 (*call_value_1_rex64): Disable for large models.
11132 (*call_value_1_rex64_large): New.
11133 (set_rip_rex4): New.
11134 (set_got_offset_rex64): New.
11135 * predicates.md (constant_call_address_operand): For large model
11136 constant calls are not possible.
11137 * i386-protos.h (construct_plt_address): Declare.
11138 * i386.c (override_options): Accept large models.
11139 (ix86_expand_prologue): Expand large PIC GOT pointer load.
11140 (legitimate_constant_p): Add new UNSPECs.
11141 (legitimate_pic_operand_p): Likewise.
11142 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
11143 (legitimize_pic_address): Do easy RIP relative way for TLS only for
11144 non-large model.
11145 (output_pic_addr_const): Add PLTOFF.
11146 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
11147 (ix86_expand_move): Legitimize pic address when in PIC mode.
11148 (construct_plt_address): New function.
11149 (ix86_expand_call): Offload the address to register and use GOT
11150 pointer for large model.
11151 * invoke.texi (mcmodel=large): Update documentation.
11152
11153 2007-03-06 Richard Henderson <rth@redhat.com>
11154
11155 * config/i386/i386.c (x86_use_leave, x86_push_memory,
11156 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
11157 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
11158 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
11159 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
11160 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
11161 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
11162 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
11163 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
11164 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11165 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11166 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
11167 x86_sse_partial_reg_dependency, x86_sse_split_regs,
11168 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
11169 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
11170 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
11171 x86_schedule, x86_use_bt, x86_pad_returns,
11172 x86_use_xchgb): Merge into ...
11173 (ix86_tune_features): ... here. New array.
11174 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
11175 x86_bswap): Merge into ...
11176 (ix86_arch_features): ... here. New array.
11177 (x86_3dnow_a): Remove.
11178 (x86_accumulate_outgoing_args): Make static.
11179 (x86_arch_always_fancy_math_387): Make static.
11180 (ix86_tune_mask, ix86_arch_mask): Move ...
11181 (override_options): ... to local variables here. Apply the
11182 appropriate mask to each element of ix86_arch_features and
11183 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
11184 as were done in the old macros.
11185 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
11186 * config/i386/i386.h (x86_use_leave, x86_push_memory,
11187 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
11188 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
11189 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
11190 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
11191 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
11192 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
11193 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
11194 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
11195 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
11196 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11197 x86_accumulate_outgoing_args, x86_prologue_using_move,
11198 x86_epilogue_using_move, x86_decompose_lea,
11199 x86_arch_always_fancy_math_387, x86_shift1,
11200 x86_sse_partial_reg_dependency, x86_sse_split_regs,
11201 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
11202 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
11203 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
11204 x86_use_incdec, x86_pad_returns, x86_bswap,
11205 x86_partial_flag_reg_stall): Remove.
11206 (enum ix86_tune_indices): New.
11207 (ix86_tune_features): New.
11208 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
11209 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
11210 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
11211 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
11212 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
11213 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
11214 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
11215 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
11216 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
11217 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
11218 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
11219 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
11220 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
11221 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
11222 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
11223 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
11224 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
11225 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
11226 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
11227 TARGET_EXT_80387_CONSTANTS): Use it.
11228 (enum ix86_arch_indices): New.
11229 (ix86_arch_features): New.
11230 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
11231 TARGET_BSWAP): Use it.
11232 (ix86_tune_mask, ix86_arch_mask): Remove.
11233
11234 2007-03-06 Joseph Myers <joseph@codesourcery.com>
11235
11236 PR bootstrap/31020
11237 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
11238 Define using $${sysroot_headers_suffix}.
11239 * configure: Regenerate.
11240 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
11241 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
11242 defined.
11243 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
11244 * gcc.c (print_sysroot_headers_suffix): New.
11245 (option_map): Include --print-sysroot-headers-suffix.
11246 (display_help): Mention -print-sysroot-headers-suffix.
11247 (process_command): Handle -print-sysroot-headers-suffix.
11248 (do_spec_1): Append multilib directory to include-fixed path if
11249 sysroot suffixes in use.
11250 (main): Handle -print-sysroot-headers-suffix.
11251 * Makefile.in (start.encap): Don't depend on xlimits.h
11252 (xlimits.h): Remove.
11253 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
11254 limits.h for each multilib in fixinc_list.
11255 (fixinc_list, s-fixinc_list): New.
11256 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
11257 generate them for each multilib in fixinc_list.
11258 (stmp-fixproto): Use include-fixed. Run fixproto for each
11259 multilib in fixinc_list.
11260 (mostlyclean): Don't remove xlimits.h.
11261 (clean): Remove include-fixed.
11262 (real-install-headers-tar, real-install-headers-cpio,
11263 real-install-headers-cp): Don't copy include, only include-fixed.
11264 (install-mkheaders): Depend on fixinc_list. Don't depend on
11265 xlimits.h. Save limits.h files for each multilib in fixinc_list.
11266 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
11267 SYSTEM_HEADER_DIR setting in mkheaders.conf.
11268
11269 2007-03-06 Jan Hubicka <jh@suse.cz>
11270
11271 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
11272 NANs easilly.
11273
11274 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11275
11276 * configure.ac: Allow tm_file to contain build-directory files.
11277 * configure: Regenerate.
11278 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
11279 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
11280 * config/m68k/print-sysroot-suffix.sh: New file.
11281
11282 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11283
11284 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
11285 of pic_offset_table_rtx if reload_completed.
11286 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
11287 PIC_OFFSET_TABLE_REGNUM.
11288 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
11289 return true.
11290 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
11291 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
11292
11293 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11294
11295 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
11296 functions that call eh_return.
11297
11298 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11299
11300 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
11301 functions that need a constant pool.
11302
11303 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11304
11305 PR target/28181
11306 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
11307 (m68k_preferred_reload_class): Likewise.
11308 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
11309 (SECONDARY_RELOAD_CLASS): Define.
11310 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
11311 (LIMIT_RELOAD_CLASS): Delete.
11312 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
11313 registers from storing bytes.
11314 (m68k_secondary_reload_class): New function.
11315 (m68k_preferred_reload_class): Likewise.
11316
11317 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11318
11319 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
11320 leaf functions.
11321 (m68k_expand_prologue): Likewise.
11322
11323 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11324
11325 * config/m68k/m68k-protos.h (output_sibcall): Declare.
11326 (mips_expand_epilogue): Add a bool parameter.
11327 (m68k_legitimize_sibcall_address): Declare.
11328 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
11329 (m68k_expand_epilogue): Add a parameter to select between sibling
11330 and normal epilogues. Only generate a return for the latter.
11331 (m68k_ok_for_sibcall_p): New function.
11332 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
11333 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
11334 (sibcall_value, *sibcall_value): Likewise.
11335 (*call, *call_value): Require !SIBLING_CALL_P.
11336 (epilogue): Update call to m68k_expand_epilogue.
11337 (sibcall_epilogue): New pattern.
11338 * config/m68k/predicates.md (const_call_operand): Say that this
11339 predicate applies to sibling calls too.
11340 (sibcall_operand): New predicate.
11341
11342 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11343
11344 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
11345 alternatives as movsi_cf.
11346 (movsf_cf_hard): Add commentary.
11347
11348 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
11349 Richard Sandiford <richard@codesourcery.com>
11350
11351 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
11352 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
11353 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
11354 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
11355 as being live on exit from an interrupt function.
11356 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
11357 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
11358 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
11359 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
11360 (m68k_interrupt_function_p): Globalize.
11361 (m68k_compute_frame_layout): Remove reverse mask code.
11362 (m68k_emit_movem, m68k_set_frame_related): New functions.
11363 (m68k_output_function_prologue): Delete in favor of...
11364 (m68k_expand_prologue): ...this new function.
11365 (m68k_output_function_epilogue): Delete in favor of...
11366 (m68k_expand_epilogue): ...this new function.
11367 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
11368 functions.
11369 (print_operand): Handle %?.
11370 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
11371 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
11372 (prologue, epilogue): New patterns.
11373 (return): Turn into a define_expand.
11374 (*return): New pattern, derived from old "return" pattern. Use rte
11375 rather than rts for interrupt functions. Only use rtd if the pop
11376 count is nonzero.
11377 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
11378 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
11379 (link, *link, unlink, *unlink, load_got): Likewise.
11380
11381 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11382
11383 PR target/23482
11384 PR target/17114
11385 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
11386 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
11387 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
11388 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
11389 and m68k_matches_u_p.
11390 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
11391 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
11392 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
11393 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
11394 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
11395 (REG_STRICT_P): New macro.
11396 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
11397 PCREL_GENERAL_OPERAND_OK.
11398 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
11399 m68k_legitimate_base_reg_p.
11400 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
11401 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
11402 (PIC_CASE_VECTOR_ADDRESS): Update comment.
11403 * config/m68k/m68k.c (m68k_address): New structure.
11404 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
11405 (m68k_decompose_index, m68k_legitimate_constant_address_p)
11406 (m68k_jump_table_ref_p, m68k_decompose_address)
11407 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
11408 (m68k_matches_u_p): New functions.
11409 (print_operand_address): Rewrite to use m68k_decompose_index.
11410
11411 2007-03-05 David Taylor <dtaylor@emc.com>
11412
11413 * gcc.c: Correct copyright date in --version output.
11414
11415 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11416
11417 * pa.md: In unamed move patterns, disparge copies between general
11418 and floating point registers using '?' modifier. Don't include 'f'
11419 constraint for register preferences in DImode, SImode, HImode and
11420 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
11421 Remove constraints for copies between general and floating registers
11422 in soft-float DFmode pattern.
11423 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
11424 floating register.
11425 (movsf): Likewise.
11426
11427 2007-03-05 Mike Stump <mrs@apple.com>
11428
11429 * c-common.c (targetcm): Add.
11430 * c-opts.c (c_common_handle_option): Handle language specific
11431 target options.
11432 * opts.c (handle_option): Verify language for target options, if
11433 any are given.
11434 * opth-gen.awk: Add CL_LANG_ALL.
11435 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
11436 (TARGETCM_INITIALIZER): Add.
11437 * target.h (struct gcc_targetcm): Add.
11438 (targetcm): Add.
11439 * targhooks.c (default_handle_c_option): Add.
11440 * targhooks.h (default_handle_c_option): Add.
11441 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
11442
11443 * config/darwin.opt (iframework): Add.
11444 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
11445 * config/darwin-c.c (handle_c_option): Add.
11446 (TARGET_HANDLE_C_OPTION): Add.
11447 (targetcm): Add.
11448 * doc/invoke.texi (Darwin Options): Add -iframework.
11449
11450 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11451
11452 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
11453 conversion.
11454
11455 2007-03-05 Ian Lance Taylor <iant@google.com>
11456
11457 * c.opt (fgnu89-inline): New option.
11458 * c-opts.c (c_common_post_options): Set default value for
11459 flag_gnu89_inline.
11460 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
11461 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
11462 inline functions.
11463 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
11464 (grokdeclarator, start_function): Likewise.
11465 * c-cppbuiltin.c (c_cpp_builtins): Define either
11466 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
11467 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
11468 (C Dialect Options): Document -fgnu89-inline.
11469 * doc/extend.texi (Function Attributes): Explain what the
11470 gnu_inline attribute does.
11471 * doc/cpp.texi (Common Predefined Macros): Document
11472 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
11473
11474 2007-03-05 Ian Lance Taylor <iant@google.com>
11475
11476 PR tree-optimization/31034
11477 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
11478 half-range if the other side is an overflow infinity.
11479
11480 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
11481
11482 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
11483 (bfin*-linux-uclibc*): New configuration.
11484 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
11485 defining.
11486 * config/bfin/linux.h: New file.
11487 * config/bfin/libgcc-bfin.ver: New file.
11488 * config/bfin/t-bfin-uclinux: New file.
11489 * config/bfin/t-bfin-linux: New file.
11490 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
11491 (TARGET_OS_CPP_BUILTINS): New macro.
11492
11493 2007-03-05 Richard Guenther <rguenther@suse.de>
11494
11495 * fold-const.c (fold_binary): Remove duplicate folding
11496 of comparison of non-null ADDR_EXPR against null.
11497
11498 2007-03-05 Richard Guenther <rguenther@suse.de>
11499 Dorit Nuzman <dorit@il.ibm.com>
11500
11501 PR tree-optimization/26420
11502 * tree-vectorizer.c (vectorize_loops): Bail out early if there
11503 are no loops in the function. Only print the number of
11504 vectorized loops if it is greater than zero or we are supposed
11505 to print information about unvectorized loops.
11506
11507 2007-03-05 Revital Eres <eres@il.ibm.com>
11508
11509 * gcc.dg/var-expand1.c: New test.
11510 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
11511 when an accumulator is expanded.
11512
11513 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11514
11515 PR other/30465
11516 * c-common.c (convert_and_check): Don't give warnings for
11517 conversion if 'expr' already overflowed.
11518
11519 2007-03-04 Roger Sayle <roger@eyesopen.com>
11520
11521 PR middle-end/30744
11522 * fold-const.c (fold_comparison): Enforce type consistency when
11523 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
11524
11525 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
11526
11527 * tree-ssa-address.c (create_mem_ref): Do not put an expression
11528 containing a cast to the base of TARGET_MEM_REF.
11529
11530 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
11531
11532 * tree.c (tree_contains_struct_check_failed): Remove spurious
11533 whitespace from error message.
11534
11535 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
11536
11537 PR target/30406
11538 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
11539 instead of precision.
11540
11541 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
11542 Nathan Sidwell <nathan@codesourcery.com>
11543
11544 * emit-rtl.c (find_auto_inc): New.
11545 (try_split): recreate REG_INC notes,
11546 Use regular for loops rather than whiles.
11547
11548 2007-03-03 Andreas Schwab <schwab@suse.de>
11549
11550 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
11551 * configure: Regenerate.
11552
11553 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11554
11555 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
11556 flag_rounding_math, not flag_unsafe_math_optimizations.
11557
11558 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
11559 fold_build2.
11560 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
11561 alpha_fold_vector_minmax): Likewise.
11562 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11563 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
11564
11565 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11566
11567 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
11568 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
11569 if the lhs has side-effects.
11570 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
11571
11572 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11573
11574 * config/i386/i386.h (TUNEMASK): Remove define.
11575 (ARCHMASK): Remove define.
11576 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
11577 Use ix86_arch_mask variable instead of ARCHMASK.
11578 * config/i386/i386.c (override_options): Ditto.
11579 (standard_80387_constant_p): Ditto.
11580
11581 2007-03-02 Ian Lance Taylor <iant@google.com>
11582
11583 Used signed infinities in VRP.
11584 * tree-vrp.c (uses_overflow_infinity): New static function.
11585 (supports_overflow_infinity): New static function.
11586 (make_overflow_infinity): New static function.
11587 (negative_overflow_infinity): New static function.
11588 (positive_overflow_infinity): New static function.
11589 (is_negative_overflow_infinity): New static function.
11590 (is_positive_overflow_infinity): New static function.
11591 (is_overflow_infinity): New static function.
11592 (overflow_infinity_range_p): New static function.
11593 (compare_values_warnv): New function split out of compare_values.
11594 (compare_value): Call it.
11595 (set_value_range_to_nonnegative): Add overflow_infinity
11596 parameter. Change caller.
11597 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
11598 Change callers.
11599 (vrp_expr_computes_nonzero): Likewise.
11600 (compare_ranges, compare_range_with_value): Likewise.
11601 (compare_name_with_value, compare_names): Likewise.
11602 (vrp_evaluate_conditional): Likewise.
11603 (set_value_range): Handle infinity
11604 (vrp_operand_equal_p, operand_less_p): Likewise.
11605 (extract_range_from_assert): Likewise.
11606 (vrp_int_const_binop): Likewise.
11607 (extract_range_from_binary_expr): Likewise.
11608 (extract_range_from_unary_expr): Likewise.
11609 (extract_range_from_comparison): Likewise.
11610 (extract_range_from_expr): Likewise.
11611 (dump_value_range): Likewise.
11612 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
11613 (test_for_singularity): Likewise.
11614 (vrp_int_const_binop): Remove inline qualifier.
11615 (adjust_range_with_scev): Add comment.
11616 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11617
11618 2007-03-02 Diego Novillo <dnovillo@redhat.com>
11619
11620 * tree-ssa-structalias.c (could_have_pointers): Tidy.
11621 (get_constraint_for): Likewise.
11622 (do_structure_copy): Likewise.
11623 (find_func_aliases): Fix references to MODIFY_EXPR.
11624 (intra_create_variable_infos): Tidy.
11625 * tree-ssa-operands.c (add_virtual_operand): Add argument
11626 IS_CALL_SITE.
11627 When adding members of alias sets, if IS_CALL_SITE is true and
11628 the symbol is not call-clobbered, skip it.
11629 Adjust all callers.
11630
11631 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11632
11633 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
11634 entry by means of emit_insn_at_entry.
11635
11636 2007-03-02 Richard Henderson <rth@redhat.com>
11637
11638 * expr.h (promoted_input_arg): Remove decl.
11639 * function.c (promoted_input_arg): Merge into ...
11640 * combine.c (setup_incoming_promotions): ... only caller.
11641 Rearrange to avoid double loop.
11642
11643 2007-03-02 Ben Elliston <bje@au.ibm.com>
11644 Peter Bergner <bergner@vnet.ibm.com>
11645 Janis Johnson <janis187@us.ibm.com>
11646
11647 * config/rs6000/dfp.md: New file.
11648 * config/rs6000/rs6000.md: Include dfp.md.
11649 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
11650 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
11651 and TDmode decimal float modes in FP registers.
11652 (num_insns_constant): Likewise.
11653 (rs6000_legitimate_offset_address_p): Likewise.
11654 (rs6000_legitimize_address): Likewise.
11655 (rs6000_legitimize_reload_address): Likewise.
11656 (rs6000_legitimate_address): Likewise.
11657 (rs6000_emit_move): Likewise.
11658 (function_arg_boundary): Likewise.
11659 (function_arg_advance): Likewise.
11660 (rs6000_darwin64_record_arg_recurse): Likewise.
11661 (function_arg): Likewise.
11662 (rs6000_gimplify_va_arg): Likewise.
11663 (rs6000_split_multireg_move): Likewise.
11664 (rs6000_output_function_epilogue): Likewise.
11665 (rs6000_output_function_epilogue): Likewise.
11666 (rs6000_register_move_cost): Likewise.
11667 (rs6000_function_value): Likewise.
11668 (rs6000_libcall_value): Likewise.
11669
11670 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11671
11672 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
11673
11674 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11675
11676 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
11677 Use $MULTIDIR to choose between the kernel and RTP headers,
11678 and use $WIND_BASE and $WIND_USR to locate them.
11679
11680 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11681
11682 * config/i386/i386.c (override_options): Put initialization of
11683 ix86_tune_mask and ix86_arch_mask to the correct place.
11684
11685 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11686 Michael Meissner <michael.meissner@amd.com>
11687
11688 PR target/31019
11689 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
11690 (ARCHMASK): Define.
11691 (TARGET_CMOVE): Use ARCHMASK.
11692 (TARGET_CMPXCHG): Ditto.
11693 (TARGET_CMPXCHG8B): Ditto.
11694 (TARGET_XADD): Ditto.
11695 (TARGET_BSWAP): Ditto.
11696 * config/i386/i386.c (ix86_tune_mask): New global variable.
11697 (ix86_arch_mask): Ditto.
11698 (override_options): Initialize ix86_tune_mask and
11699 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
11700 target_flags.
11701
11702 2007-03-02 Ben Elliston <bje@au.ibm.com>
11703
11704 PR 30992
11705 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
11706
11707 2007-03-02 Joseph Myers <joseph@codesourcery.com>
11708
11709 * target.h (init_dwarf_reg_sizes_extra): New target hook.
11710 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
11711 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
11712 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
11713 hook.
11714 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
11715 rs6000_init_dwarf_reg_sizes_extra): New.
11716 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
11717 SPE register high parts.
11718
11719 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
11720
11721 * Makefile.in: Add install-pdf target as
11722 copied from automake v1.10 rules.
11723 * configure.ac: Add install-pdf to target list.
11724 * configure: Regenerate.
11725
11726 2007-03-01 Paul Brook <paul@codesourcery.com>
11727
11728 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
11729 modes to LDRD for DImode.
11730 (output_move_double): Fixup out of range ldrd/strd.
11731 (vfp_secondary_reload_class): Rename...
11732 (coproc_secondary_reload_class): ... to this. Add wb argument.
11733 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
11734 coproc_secondary_reload_class for CLASS_IWMMXT.
11735 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
11736 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
11737
11738 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
11739
11740 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
11741 unroll factor by the estimated number of iterations.
11742 (loop_prefetch_arrays): Do not prefetch in loops that iterate less
11743 than prefetch latency.
11744
11745 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
11746 decode_caches_intel, detect_caches_intel): New functions.
11747 (host_detect_local_cpu): Use detect_caches_amd and
11748 detect_caches_intel.
11749
11750 2007-03-01 Richard Henderson <rth@redhat.com>
11751
11752 * expr.c (emit_move_complex_push): Export.
11753 (emit_move_complex_parts): Split out from ...
11754 (emit_move_complex): ... here.
11755 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
11756 * config/i386/i386.md (movcdi): New.
11757
11758 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
11759
11760 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
11761 size of mode1 to check for tieable modes in MMX case.
11762
11763 2007-03-01 Richard Sandiford <richard@codesourcery.com>
11764
11765 * Makefile.in (rtlanal.o): Depend on tree.h.
11766 * rtl.h (offset_within_section_p, split_const): Declare.
11767 * rtlanal.c: Include tree.h.
11768 (offset_within_block_p): New function, taken from
11769 mips_offset_within_object_p.
11770 (split_const): New function, taken from mips_split_const.
11771 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
11772 Declare.
11773 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
11774 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
11775 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
11776 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11777 (m68k_illegitimate_symbolic_constant_p): New function.
11778 * config/m68k/m68k.md (movsi): Remove misleading predicates.
11779 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
11780 symbolic constant that might be outside the symbol's section,
11781 move the symbol first and then add the offset.
11782 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
11783 Override.
11784 * config/mips/mips.c (mips_split_const): Delete.
11785 (mips_offset_within_object_p): Delete.
11786 (mips_symbolic_constant_p): Use offset_within_section_p and
11787 split_const instead of mips_offset_within_object_p and
11788 mips_split_const.
11789 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
11790 (mips_legitimize_const_move, print_operand_reloc)
11791 (mips_dangerous_for_la25_p): Use split_const instead of
11792 mips_split_const.
11793
11794 2007-02-28 Eric Christopher <echristo@apple.com>
11795
11796 * Makefile.in (install-include-dir): Don't rm -rf include.
11797
11798 2007-02-28 Richard Guenther <rguenther@suse.de>
11799
11800 PR middle-end/30364
11801 * fold-const.c (fold_binary): Do not associate expressions
11802 with more than one variable for integer types that do not wrap.
11803
11804 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
11805
11806 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
11807 Delete, and replace with...
11808 (fold_builtin_call_array): This. Update callers to use it.
11809 * fold-const.c (fold_build_call_list): Delete, and replace with...
11810 (fold_build_call_array): This.
11811 (fold_build_call_list_initializer): Delete, and replace with...
11812 (fold_build_call_array_initializer): This.
11813 * tree.h: Update declarations to reflect above changes.
11814
11815 * c-typeck.c (build_function_call): Store converted arguments
11816 in a stack-allocated array instead of building a list.
11817 (convert_arguments): Store arguments in the array passed in as an
11818 argument, and return the actual number of arguments.
11819 * c-format.c: (check_function_format): Pass arguments in an
11820 array instead of a list.
11821 * c-common.c (check_function_nonnull): Likewise.
11822 (check_function_sentinel): Likewise.
11823 (check_function_arguments): Likewise.
11824 * c-common.h: Update declarations to reflect above changes.
11825
11826 2007-02-28 Jan Hubicka <jh@suse.cz>
11827
11828 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
11829 PRED_NEGATIVE_RETURN): Update outcomes.
11830
11831 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
11832
11833 * calls.c (emit_library_call_value_1): Handle partial registers
11834 correctly when building up CALL_INSN_FUNCTION_USAGE.
11835
11836 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11837
11838 * pa/predicates.md (move_src_operand): Allow zero for mode.
11839 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
11840 move pattern.
11841
11842 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
11843
11844 PR target/30970
11845 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
11846 *movv2df_internal): Enable pattern only for valid operand
11847 combinations.
11848 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
11849 tie only 128bit modes. For MMX registers, tie only 64bit modes.
11850
11851 2007-02-27 Mike Stump <mrs@apple.com>
11852
11853 * config/darwin-crt3.c: Avoid compilation when compiling for a
11854 kext multilib.
11855
11856 2007-02-27 Joseph Myers <joseph@codesourcery.com>
11857
11858 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
11859 FIXED_INCLUDE_DIR.
11860 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
11861 for fixed headers and limits.h.
11862 (install-include-dir, install-headers-tar, install-headers-cpio,
11863 install-headers-cp, real-install-headers-tar,
11864 real-install-headers-cpio, real-install-headers-cp): Handle
11865 include-fixed as well as include.
11866 (install-mkheaders): Don't install files that go only in include
11867 not include-fixed.
11868 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
11869 from GCC_INCLUDE_DIR.
11870 * gcc.c (process_command): Remove special -BstageN/ handling.
11871 (do_spec_1): Add include-fixed directories.
11872
11873 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11874
11875 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
11876 _smulsi3_highpart.
11877 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
11878 New functions.
11879 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
11880 patterns.
11881
11882 2007-02-27 Mark Mitchell <mark@codesourcery.com>
11883
11884 * c-common.c (get_priority): Add check for
11885 SUPPORTS_INIT_PRIORITY.
11886
11887 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11888
11889 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
11890
11891 * config/bfin/bfin.c: Include "cfglayout.h".
11892 (MAX_LSETUP_DISTANCE): New macro.
11893 (struct loop_info): New members incoming, incoming_src and
11894 incoming_dest. Delete member predecessor.
11895 (length_for_loop): New function.
11896 (bfin_optimize_loop): Handle more different loop structures.
11897 (bfin_discover_loop): Rework detection of predecessor blocks by
11898 examining incoming edges.
11899 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
11900 bfin_reorg_loops.
11901 (bfin_reorder_loops): New function.
11902 (bfin_reorg_loops): Use these three new functions.
11903
11904 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
11905 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
11906 (CONSTRAINT_LEN): Add entry for 'q'.
11907 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
11908 Add 'q' constraints.
11909 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
11910 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
11911
11912 * config/bfin/bfin.md (add_with_carry): New pattern.
11913 (s_or_u, su_optab, su_modifier): New code macros/attrs.
11914 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
11915 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
11916 support unsigned multiplies too. Removed incorrect commutativity from
11917 operand 1 constraint where appropriate.
11918 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
11919 patterns.
11920 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
11921 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
11922 New patterns.
11923 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
11924 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
11925 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
11926 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
11927 usmulhisi_hh_huh): New patterns.
11928
11929 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
11930 lshifthi3): Fix output template to use half reg for operand 2.
11931
11932 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
11933 instead of R2.
11934
11935 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
11936
11937 2007-02-27 Andreas Schwab <schwab@suse.de>
11938
11939 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
11940
11941 2007-02-27 Jan Hubicka <jh@suse.cz>
11942
11943 * predict.c (last_basic_block_p): Remove.
11944 (tree_estimate_probability): Update return heuristic for commonized
11945 return blocks.
11946
11947 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11948
11949 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
11950
11951 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
11952
11953 * doc/include/gcc-common.texi (versionsubtitle): New macro.
11954 * doc/cpp.texi: Standardize title page.
11955 * doc/cppinternals.texi: Likewise.
11956 * doc/gcc.texi: Standardize title page, remove version number
11957 from copyright page.
11958 * doc/gccint.texi: Likewise.
11959 * doc/install.texi: Standardize title page, add table of
11960 contents.
11961
11962 2007-02-26 Jan Hubicka <jh@suse.cz>
11963
11964 * predict.def: Set outcomes according to more recent results.
11965 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
11966 Remove dead predictors.
11967 * predict.c (return_prediction): Fix pasto.
11968
11969 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
11970
11971 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
11972 change; avoid a memory leak when returning early.
11973
11974 2007-02-26 Mark Mitchell <mark@codesourcery.com>
11975
11976 * c-decl.c (static_ctors): Move to c-common.c.
11977 (static_dtors): Likewise.
11978 (finish_function): Use c_record_cdtor_fn.
11979 (build_cdtor): Move to c-common.c.
11980 (c_write_global_declarations): Use c_build_cdtor_fns.
11981 * c-common.h (static_ctors): Declare.
11982 (static_dtors): Likewise.
11983 (c_record_cdtor_fn): Likewise.
11984 (c_build_cdtor_fns): Likewise.
11985 * c-common.c (static_ctors): New variable.
11986 (static_dtors): Likewise.
11987 (c_record_cdtor_fn): New function.
11988 (build_cdtor): Move from c-decl.c
11989 (c_build_cdtor_fns): New function.
11990
11991 * output.h (assemble_addr_to_section): Declare.
11992 (get_cdtor_priority_section): Likewise.
11993 * varasm.c (assemble_addr_to_section): New function.
11994 (get_cdtor_priority_section): Likewise.
11995 (default_named_section_asm_out_destructor): Use them.
11996 (destor_dtor_section_asm_out_destructor): Likewise.
11997 (default_named_section_asm_out_constructor): Likewise.
11998 (default_ctor_section_asm_out_constructor): Likewise.
11999 * config.gcc (*-*-vxworks*): Include vxworks.o.
12000 * config/t-vxworks (vxworks.o): New target.
12001 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
12002 (TARGET_ASM_CONSTRUCTOR): Define.
12003 (TARGET_ASM_DESTRUCTOR): Likewise.
12004 (vxworks_asm_out_constructor): Declare.
12005 (vxworks_asm_out_destructor): Likewise.
12006
12007 * c-common.c (get_priority): Check that we have not just an
12008 INTEGER_CST, but an integer constant with integeral type.
12009
12010 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
12011
12012 PR tree-optimization/30938
12013 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
12014 use &dt[nargs-1] instead of &dt[nargs] in the call to
12015 vect_is_simple_use().
12016
12017 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
12018
12019 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
12020 from register elimination as PRE_MODIFY / POST_MODIFY increments.
12021 Do not attempt to handle MEM inside auto-inc expressions.
12022 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
12023 of a register modified by an auto-inc expression. However, do handle
12024 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
12025 (elimination_effects): Prohibit elimination of a register modified
12026 by an auto-inc expression. Disable register elimination rules whose
12027 target register is modified by an auto-inc expression with variable
12028 increment.
12029
12030 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
12031
12032 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
12033 off-by-one error.
12034 (array_at_struct_end_p): New function.
12035 (idx_infer_loop_bounds): Use it.
12036 (estimate_numbers_of_iterations_loop): Export.
12037 * predict.c (predict_loops): Use estimated_loop_iterations_int.
12038 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
12039 (tree_estimate_probability): Call record_loop_exits.
12040 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
12041 (estimated_loop_iterations, estimated_loop_iterations_int,
12042 estimated_loop_iterations_tree): New functions.
12043 (analyze_siv_subscript_cst_affine,
12044 compute_overlap_steps_for_affine_1_2,
12045 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
12046 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
12047 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
12048 (PRED_LOOP_ITERATIONS_GUESSED): New.
12049 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
12050 * cfgloop.h (estimate_numbers_of_iterations_loop,
12051 estimated_loop_iterations_int): Declare.
12052
12053 2007-02-25 Mark Mitchell <mark@codesourcery.com>
12054
12055 * doc/extend.texi: Document optional priority argument to
12056 constructors and destructors.
12057 * tree.c (init_priority_for_decl): Adjust GTY markers.
12058 (init_ttree): Use priority-info hash functions for
12059 init_priority_for_decl.
12060 (tree_map_eq): Rename to ...
12061 (tree_map_base_eq): ... this.
12062 (tree_map_marked_p): Rename to ...
12063 (tree_map_base_marked_p): ... this.
12064 (tree_map_base_hash): New function.
12065 (decl_init_priority_lookup): Rework.
12066 (decl_fini_priority_lookup): New function.
12067 (decl_priority_info): New function.
12068 (decl_init_priority_insert): Use it.
12069 (decl_fini_priority_insert): Likewise.
12070 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
12071 hierarchy.
12072 (decl_restrict_base_insert): Likewise.
12073 (decl_debug_expr_insert): Likewise.
12074 (decl_value_expr_lookup): Likewise.
12075 (decl_value_expr_insert): Likewise.
12076 * tree.h (priority_type): New type.
12077 (decl_init_priority_lookup): Use priority_type.
12078 (decl_fini_priority_lookup): New function.
12079 (decl_init_priority_insert): Use priority_type.
12080 (decl_fini_priority_insert): New function.
12081 (DECL_HAS_INIT_PRIORITY): Tweak comments.
12082 (DECL_INIT_PRIORITY): Likewise.
12083 (SET_DECL_INIT_PRIORITY): Add comment.
12084 (DECL_FINI_PRIORITY): New macro.
12085 (SET_DECL_FINI_PRIORITY): Likewise.
12086 (DEFAULT_INIT_PRIORITY): Document.
12087 (MAX_INIT_PRIORITY): Likewise.
12088 (MAX_RESERVED_INIT_PRIORITY): Likewise.
12089 (tree_map_base): New type.
12090 (tree_map_base_eq): New function.
12091 (tree_map_base_hash): Likewise.
12092 (tree_map_base_marked_p): Likewise.
12093 (tree_map): Inherit from tree_map_base.
12094 (tree_map_eq): Make it a macro.
12095 (tree_map_marked_p): Likewise.
12096 (tree_int_map): Inherit from tree_map_base.
12097 (tree_int_map_eq): Make it a macro.
12098 (tree_int_map_hash): Likewise.
12099 (tree_int_map_marked_p): Likewise.
12100 (tree_priority_map): New type.
12101 (tree_priority_map_eq): New macro.
12102 (tree_priority_map_hash): Likewise.
12103 (tree_priority_map_marked_p): Likewise.
12104 * varasm.c (emults_decl): Adjust for refactoring of tree_map
12105 hierarchy.
12106 (emutls_common_1): Likewise.
12107 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
12108 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
12109 of tree_map hierarchy.
12110 * tree-cfg.c (move_stmt_r): Likewise.
12111 (new_label_mapper): Likewise.
12112 * c-tree.h (c_expand_body): Move to ...
12113 * c-common.h (c_expand_body): ... here.
12114 * c-decl.c (c_expand_body): Move to ...
12115 * c-common.c (c_expand_body): ... here.
12116 (c_common_attribute_table): Allow 1 argument for the constructor
12117 and destructor attributes.
12118 (get_priority): New function.
12119 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
12120 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
12121
12122 2007-02-24 Jan Hubicka <jh@suse.cz>
12123
12124 PR middle-end/30509
12125 * tree-inline.c (copy_bb): Produce exact copy of EH info when
12126 copying for inlining.
12127
12128 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
12129 Jan Hubicka <jh@suse.cz>
12130
12131 PR target/30778
12132 * i386.c (counter_mode): New function.
12133 (expand_set_or_movmem_via_loop): Use it.
12134 (expand_movmem_epilogue): Likewise; fix pasto.
12135 (ix86_expand_movmem): Do emit guard even for constant counts.
12136 (ix86_expand_setmem): Likewise.
12137
12138 2007-02-25 Nick Clifton <nickc@redhat.com>
12139
12140 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
12141 (JUMP_TABLES_IN_TEXT_SECTION): Define.
12142
12143 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
12144
12145 PR target/30770
12146 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
12147 count argument with 0x10, not with 0x16.
12148 (expand_setmem_epilogue): Ditto.
12149
12150 2007-02-24 Mike Stump <mrs@apple.com>
12151
12152 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
12153 symbols.
12154
12155 2007-02-24 Richard Guenther <rguenther@suse.de>
12156
12157 PR middle-end/30951
12158 * fold-const.c (fold_binary): Fold x +- CST op x for
12159 EQ_EXPR and NE_EXPR.
12160
12161 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12162
12163 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
12164
12165 2007-02-24 Jan Hubicka <jh@suse.cz>
12166
12167 * cgraphunit.c (decide_is_function_needed): Honor
12168 -fkeep-inline-functions.
12169
12170 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12171
12172 * builtins.c (fold_builtin_modf): New.
12173 (fold_builtin_2): Use it.
12174
12175 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
12176
12177 * loop-iv.c (implies_p): Detect additional cases where A implies B.
12178 (determine_max_iter): Take additional LOOP arg; all callers changed.
12179 Lose broken logic dealing with PLUS. Try to limit the upper bound by
12180 one using simplifications.
12181 (simplify_using_initial_values): Return if the expression becomes
12182 invalid due to altered regs.
12183
12184 2007-02-23 DJ Delorie <dj@redhat.com>
12185
12186 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
12187
12188 2007-02-23 Mike Stump <mrs@apple.com>
12189
12190 * tlink.c (scan_linker_output): Parse linker messages from
12191 darwin9's linker better.
12192
12193 2007-02-23 Steve Ellcey <sje@cup.hp.com>
12194
12195 PR debug/29614
12196 * varpool.c (varpool_assemble_pending_decls): Set
12197 varpool_last_needed_node to null.
12198
12199 2007-02-23 DJ Delorie <dj@redhat.com>
12200
12201 * config/i386/i386.c (ix86_data_alignment): Don't specify an
12202 alignment bigger than the object file can handle.
12203
12204 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
12205
12206 PR target/30825
12207 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
12208 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
12209 (*movsf_1): Penalize MMX moves.
12210
12211 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
12212
12213 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
12214 2^32-1 or more times unless flag_unsafe_loop_optimizations.
12215
12216 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
12217
12218 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12219
12220 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
12221 (fold_builtin_1): Use them.
12222 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
12223 BUILT_IN_SIGNIFICAND.
12224
12225 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
12226
12227 * config/i386/i386.c (bdesc_1arg): Initialize
12228 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
12229 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
12230 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
12231 and IX86_BUILTIN_MOVSLDUP.
12232
12233 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
12234
12235 PR rtl-optimization/30841
12236 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
12237
12238 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12239
12240 * builtins.c (fold_builtin_frexp): New.
12241 (fold_builtin_2): Use it.
12242
12243 2007-02-22 Mark Mitchell <mark@codesourcery.com>
12244
12245 * doc/invoke.texi (Spec Files): Document getenv spec function.
12246
12247 * gcc.c (getenv_spec_function): New function.
12248 (static_spec_functions): Add it.
12249 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
12250 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
12251 header files.
12252
12253 2007-02-22 Michael Matz <matz@suse.de
12254
12255 PR c++/29433
12256 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
12257 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
12258
12259 2007-02-22 Ian Lance Taylor <iant@google.com>
12260
12261 PR debug/30898
12262 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
12263 (mem_loc_descriptor): Call it.
12264
12265 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
12266 Ira Rosen <irar@il.ibm.com>
12267
12268 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
12269
12270 2007-02-22 Ira Rosen <irar@il.ibm.com>
12271
12272 PR tree-optimization/30843
12273 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
12274 stores only after all the group is vectorized.
12275
12276 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
12277
12278 PR tree-optimization/30858
12279 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
12280 in the reduction cycle have a single use in the loop.
12281 * tree-vectorizer.h (relevant): Add documentation.
12282
12283 2007-02-20 Mike Stump <mrs@apple.com>
12284
12285 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
12286 * configure: Regenerate.
12287
12288 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
12289
12290 Change the defaults of some parameters and options.
12291 * config/spu/spu-protos.h (spu_optimization_options): Declare.
12292 * config/spu/spu.c (spu_optimization_options): Add.
12293 (spu_override_options): Change params in spu_optimization_options.
12294 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
12295
12296 Register 127 is only 16 byte aligned when used as a frame pointer.
12297 * config/spu/spu-protos.h (spu_init_expanders): Declare.
12298 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
12299 HARD_FRAME_POINTER_REGNUM.
12300 (spu_legitimate_address): Use regno_aligned_for_reload.
12301 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
12302 aligned when frame_pointer_needed is true.
12303 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
12304 to 8 bits.
12305 * config/spu/spu.h (INIT_EXPANDERS): Define.
12306
12307 Make sure shift and rotate instructions have valid immediate operands.
12308 * config/spu/predicates.md (spu_shift_operand): Remove.
12309 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
12310 * config/spu/constraints.md (W, O): Extend range.
12311 * config/spu/spu.md (umask, nmask): Define.
12312 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
12313 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
12314 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
12315 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
12316 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
12317 (lshr<mode>3_reg): Fix rtl description.
12318
12319 Make sure mulhisi immediate operands are valid.
12320 * config/spu/predicates.md (imm_K_operand): Add.
12321 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
12322
12323 Generate constants using fsmbi and andi.
12324 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
12325 (print_operand, spu_split_immediate, classify_immediate,
12326 fsmbi_const_p): Handle IC_FSMBI2.
12327
12328 Correctly handle a CONST_VECTOR containing symbols.
12329 * config/spu/spu.c (print_operand): Handle HIGH correctly.
12330 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
12331 (immediate_load_p): Allow symbols that use 2 instructions to create.
12332 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
12333 with symbols when flag_pic is set.
12334 (const_vector_immediate_p): New.
12335 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
12336 accept a CONST_VECTOR with symbols.
12337 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
12338 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
12339 correctly.
12340 * config/spu/spu.md (high, low): Delete.
12341 (low_<mode>): Define.
12342
12343 Remove INTRmode and INTR_REGNUM, which didn't work.
12344 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
12345 of INTR_REGNUM.
12346 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
12347 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
12348 peephole2 pattern): Don't use INTR or 131.
12349 (movintrcc): Delete.
12350 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
12351 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
12352 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
12353 (UNSPEC_SET_INTR): Add.
12354 * config/spu/spu-modes.def (INTR): Remove.
12355
12356 More accurate warnings about run-time relocations.
12357 * config/spu/spu.c (reloc_diagnostic): Test in_section.
12358
12359 Correctly warn about immediate arguments to specific intrinsics.
12360 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
12361 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
12362 the instruction predicate.
12363
12364 Fix tree check errors with latest update.
12365 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
12366 CALL_EXPR_ARG.
12367 (spu_expand_builtin): Use CALL_EXPR_FN.
12368
12369 Add missing specific intrinsics.
12370 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
12371 si_bislede.
12372 * config/spu/spu_internals.h: Ditto.
12373
12374 Fix incorrect operand modifiers.
12375 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
12376 * config/spu/spu.md (xor<mode>3): Change %S to %J.
12377
12378 Optimize one case of zero_extend of a vec_select.
12379 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
12380
12381 Accept any immediate for hbr.
12382 * config/spu/spu.md (hbr): Change s constraints to i.
12383
12384 2007-02-21 Paul Brook <paul@codesourcery.com>
12385
12386 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
12387 condexec_count when skipping USE and CLOBBER.
12388
12389 2007-02-21 Nick Clifton <nickc@redhat.com>
12390
12391 * common.opt (Warray-bounds): Add Warning attribute.
12392 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
12393 Likewise.
12394 (fsized-zeroes): Add Optimization attribute.
12395 (fsplit-wide-types, ftree-scev-cprop): Likewise.
12396 * c.opt (Wc++0x-compat): Add Warning attribute.
12397
12398 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
12399
12400 PR middle-end/30761
12401 * reload1.c (eliminate_regs_in_insn): In the single_set special
12402 case, attempt to re-recognize the insn before falling back to
12403 having reload fix it up.
12404
12405 2007-02-20 Eric Christopher <echristo@gmail.com>
12406
12407 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
12408 Rewrite accordingly.
12409 (frv_read_iacc_argument): Ditto.
12410 (frv_expand_set_builtin): Take a call instead of arglist, update for
12411 above changes.
12412 (frv_expand_unop_builtin): Ditto.
12413 (frv_expand_binop_builtin): Ditto.
12414 (frv_expand_cut_builtin): Ditto.
12415 (frv_expand_binopimm_builtin): Ditto.
12416 (frv_expand_voidbinop_builtin): Ditto.
12417 (frv_expand_int_void2arg): Ditto.
12418 (frv_expand_prefetches): Ditto.
12419 (frv_expand_voidtriop_builtin): Ditto.
12420 (frv_expand_voidaccop_builtin): Ditto.
12421 (frv_expand_load_builtin): Ditto.
12422 (frv_expand_store_builtin): Ditto.
12423 (frv_expand_mdpackh_builtin): Ditto.
12424 (frv_expand_mclracc_builtin): Ditto.
12425 (frv_expand_mrdacc_builtin): Ditto.
12426 (frv_expand_mwtacc_builtin): Ditto.
12427 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
12428 calls for above.
12429
12430 2007-02-20 Janis Johnson <janis187@us.ibm.com>
12431
12432 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
12433 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
12434 cmpb instruction.
12435 (HAVE_GAS_DFP): Check for assembler support of decimal floating
12436 point instructions.
12437 * configure: Regenerate.
12438 * config.in: Regenerate.
12439 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
12440 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
12441 masks to power6 and power6x and to POWERPC_MASKS.
12442 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12443 _ARCH_PWR6.
12444 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
12445 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
12446 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
12447 Access PROTOTYPE as variable, not mask.
12448
12449 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12450
12451 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
12452 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
12453 * combine.c (adjust_for_new_dest): Use it.
12454 * postreload.c (reload_combine): Likewise.
12455
12456 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12457
12458 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
12459 notes on an insn with multiple sets, even if single_set returns
12460 non-NULL for that insn.
12461
12462 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12463
12464 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
12465 scalbn and scalbln.
12466
12467 2007-02-20 Geoffrey Keating <geoffk@apple.com>
12468
12469 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
12470 if user didn't pass it.
12471 * config/i386/darwin.h (CC1_SPEC): Likewise.
12472 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
12473 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
12474 -mmacosx-version-min.
12475
12476 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12477 Uros Bizjak <ubizjak@gmail.com>
12478
12479 * optabs.h (enum optab_index): Add new OTI_scalb.
12480 (scalb_optab): Define corresponding macro.
12481 * optabs.c (init_optabs): Initialize scalb_optab.
12482 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
12483 patterns.
12484 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
12485 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
12486 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12487 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
12488 flag_unsafe_math_optimizations is set.
12489
12490 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
12491 to implement scalbf, scalb and scalbl built-ins as inline x87
12492 intrinsics.
12493
12494 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12495 DJ Delorie <dj@redhat.com>
12496
12497 PR other/30824
12498 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
12499 (diagnostic_report_diagnostic): ... here, and turn them into real
12500 errors. If warnings are inhibited, no need to do anything.
12501
12502 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
12503
12504 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
12505 better code generation.
12506
12507 2007-02-20 Ben Elliston <bje@au.ibm.com>
12508
12509 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
12510
12511 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
12512
12513 * config/alpha/alpha.c, config/alpha/alpha.md,
12514 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
12515 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
12516 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
12517 config/arm/lib1funcs.asm: Follow spelling conventions.
12518
12519 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
12520 config/fr30/fr30.md, config/i386/i386.h,
12521 config/iq2000/iq2000.h, config/iq2000/predicates.md,
12522 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
12523 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
12524 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
12525 config/rs6000/altivec.md, config/rs6000/rs6000.c,
12526 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
12527 config/sparc/sparc.c, config/sparc/sparc.h,
12528 config/sparc/sparc.md, config/spu/constraints.md,
12529 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
12530 conventions.
12531
12532 2007-02-20 Alan Modra <amodra@bigpond.net.au>
12533
12534 PR target/29943
12535 * varasm.c (use_blocks_for_decl_p): Return false for decls with
12536 alias attribute.
12537
12538 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12539
12540 * doc/invoke.texi (-ftree-lrs): Remove.
12541
12542 2007-02-19 Diego Novillo <dnovillo@redhat.com>
12543
12544 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
12545 NULL.
12546
12547 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
12548
12549 * config/ia64/ia64.c (ia64_expand_builtin): Use the
12550 new CALL_EXPR_FN macro for retrieving the function
12551 declaration of the input expression.
12552
12553 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12554
12555 * c.opt (Waddress): New.
12556 * common.opt (Walways-true): Delete.
12557 (Wstring-literal-comparison): Delete.
12558 * doc/invoke.texi (Warning Options): Delete -Walways-true and
12559 -Wstring-literal-comparison. Add -Waddress.
12560 (Waddress): New.
12561 (Walways-true): Delete.
12562 (Wstring-literal-comparison): Delete.
12563 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12564 consistently instead of -Walways-true in example.
12565 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
12566 * c-typeck.c (parser_build_binary_op): Replace
12567 -Wstring-literal-comparison and -Walways-true with -Waddress.
12568 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
12569 with -Waddress.
12570
12571 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12572
12573 * tree-cfg.c (dump_function_to_file): Be prepared for functions
12574 without DECL_STRUCT_FUNCTION initialized.
12575
12576 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12577
12578 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
12579 due to calls to functions taking pointers as parameters.
12580
12581 2007-02-19 Richard Henderson <rth@redhat.com>
12582
12583 PR debug/29558
12584 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
12585 in memory.
12586
12587 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
12588
12589 * config/s390/s390.c (s390_call_saved_register_used,
12590 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
12591 accessed to the new scheme.
12592
12593 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12594
12595 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
12596 (cris_print_index, cris_print_operand, cris_print_operand_address)
12597 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
12598 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
12599 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
12600 GET_CODE () == xxx.
12601 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
12602 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
12603 GO_IF_LEGITIMATE_ADDRESS): Ditto.
12604 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
12605 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
12606 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
12607 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
12608 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
12609 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
12610 (uminsi3, call, call_value): Ditto.
12611 (define_split: indir_to_reg_split, unnamed): Ditto.
12612
12613 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
12614
12615 PR tree-optimization/30975
12616 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
12617 wrong assert.
12618
12619 2007-02-18 Eric Christopher <echristo@gmail.com>
12620
12621 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
12622 Remove use of arglist.
12623 (mips_expand_builtin): Remove use of arglist, pass in expr.
12624 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
12625 (mips_expand_builtin_movtf): Ditto.
12626 (mips_expand_builtin_compare): Ditto.
12627
12628 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12629
12630 * tree-sra.c (sra_build_assignment): Replace assertion
12631 checking with a comment explaining why it can't be done.
12632
12633 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12634
12635 PR middle-end/30833
12636 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
12637 during CALL_EXPR representation conversion.
12638 * tree-ssa-propagate.c (set_rhs): Likewise.
12639
12640 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12641
12642 * tree-sra.c (sra_build_assignment): Disable assertion checking
12643 for now.
12644
12645 2007-02-18 Roger Sayle <roger@eyesopen.com>
12646
12647 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
12648 instead of calling build2 with a GIMPLE_MODIFY_STMT.
12649 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
12650 Likewise.
12651 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
12652 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
12653 gimplify_init_ctor_eval_range, gimple_push_cleanup,
12654 gimplify_omp_for, gimplify_omp_atomic_pipeline,
12655 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
12656 force_gimple_operand): Likewise.
12657 * ipa-cp.c (constant_val_insert): Likewise.
12658 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12659 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
12660 perfect_nestify): Likewise.
12661 * langhooks.c (lhd_omp_assignment): Likewise.
12662 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
12663 lower_copyprivate_clauses, lower_send_clauses,
12664 lower_send_shared_vars, expand_parallel_call,
12665 expand_omp_for_generic, expand_omp_for_static_nochunk,
12666 expand_omp_for_static_chunk, expand_omp_sections,
12667 lower_omp_single_copy, lower_omp_for_lastprivate,
12668 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
12669 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
12670 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
12671 Likewise.
12672
12673 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12674
12675 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
12676 config/sh/sh.md: Follow spelling conventions.
12677
12678 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
12679 config/frv/predicates.md: Follow spelling conventions.
12680
12681 * config/m68k/linux-unwind.h: Fix a comment typo.
12682 * target.h: Follow spelling conventions.
12683
12684 2007-02-18 Roger Sayle <roger@eyesopen.com>
12685
12686 PR rtl-optimization/28173
12687 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
12688 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
12689 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
12690 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
12691 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
12692
12693 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12694
12695 * builtins.c (fold_builtin_load_exponent): New.
12696 (fold_builtin_2): Use it.
12697
12698 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
12699
12700 PR rtl-optimization/30773
12701 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
12702 if we fail to attach a REG_EQUIV note.
12703
12704 2007-02-18 David Edelsohn <edelsohn@gnu.org>
12705 Roger Sayle <roger@eyesopen.com>
12706
12707 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
12708
12709 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12710
12711 * calls.c (initialize_argument_information): Pass original EXP
12712 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
12713 code to split complex arguments here, as part of initializing the
12714 ARGS array.
12715 (expand_call): Remove code that builds a list of arguments and
12716 inserts implicit arguments into it. Instead, just count how many
12717 implicit arguments there will be so we can determine the size of
12718 the ARGS array, and let initialize_argument_information do the work.
12719 (split_complex_values): Delete unused function.
12720
12721 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12722
12723 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
12724
12725 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
12726
12727 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
12728 for arg pointer based indexed addressing.
12729
12730 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12731
12732 * config/ia64/ia64.h, config/ia64/ia64.md,
12733 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
12734 spelling conventions.
12735
12736 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12737
12738 * config/m68k/m68k.c (split_di): New.
12739 * config/m68k/m68k-protos.h: Declare split_di.
12740 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
12741 Improve predicate handling and split constant shifts.
12742
12743 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12744
12745 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
12746 parameter for register bitfield operations, general predicates
12747 cleanup
12748
12749 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
12750
12751 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
12752 * config/m68k/linux-unwind.h: New file.
12753
12754 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
12755
12756 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
12757 config/i386/athlon.md, config/ia64/ia64.md,
12758 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
12759 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
12760 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
12761 tree-ssa-loop-niter.c, tree-vect-analyze.c,
12762 tree-vect-transform.c: Fix comment typos.
12763
12764 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
12765
12766 * sched-deps.c (find_insn_list): Remove.
12767 * sched-int.h: Remove the prototype for find_insn_list.
12768
12769 2007-02-16 Geoffrey Keating <geoffk@apple.com>
12770
12771 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
12772 to linker.
12773 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
12774 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
12775 darwin_rs6000_override_options.
12776 (C_COMMON_OVERRIDE_OPTIONS): Expect
12777 darwin_macosx_version_min to be non-NULL always.
12778 (TARGET_C99_FUNCTIONS): Likewise.
12779 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
12780 (DARWIN_MINVERSION_SPEC): New.
12781 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
12782 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
12783 to cc1*.
12784 (DARWIN_MINVERSION_SPEC): New.
12785 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
12786 value.
12787 * config/darwin-c.c (darwin_cpp_builtins): Expect
12788 darwin_macosx_version_min to be non-NULL always.
12789
12790 * config/rs6000/rs6000.c: Clean up trailing whitespace.
12791
12792 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
12793
12794 * config/i386/i386.h (x86_use_xchgb): New.
12795 (TARGET_USE_XCHGB): New macro.
12796 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
12797 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
12798 Split after reload into bswaphi for shifts of 8.
12799 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
12800 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
12801 or when optimizing for size.
12802
12803 2007-02-16 Richard Guenther <rguenther@suse.de>
12804 Christian Bruel <christian.bruel@st.com>
12805
12806 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
12807 DECLs but prefer SSA_NAMEs over DECLs.
12808
12809 2007-02-16 Richard Guenther <rguenther@suse.de>
12810
12811 * tree-flow-inline.h (single_imm_use_p): Remove.
12812 (zero_imm_uses_p): Likewise.
12813 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
12814 instead of single_imm_use_p.
12815 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
12816 zero_imm_uses_p.
12817
12818 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12819
12820 PR other/27843
12821 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
12822 nested double- and backquotes.
12823
12824 2007-02-15 Roger Sayle <roger@eyesopen.com>
12825
12826 PR middle-end/30391
12827 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
12828 should be unreachable.
12829 (build2_stat): Allow construction of MODIFY_EXPR at any time.
12830 For the time being redirect GIMPLE_MODIFY_STMT to the new
12831 (renamed) build_gimple_modify_stmt_stat.
12832 (build2_gimple_stat): Rename to...
12833 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
12834 Always build a GIMPLE_MODIFY_STMT node.
12835 * tree.h (build2_gimple, build2_gimple_stat): Delete.
12836 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
12837 declarations.
12838
12839 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
12840 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
12841 * tree-complex.c (set_component_ssa_name, expand_complex_move,
12842 expand_complex_div_wide): Likewise.
12843 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
12844 * tree-ssa-loop-im.c (schedule_sm): Likewise.
12845 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
12846 * tree-ssa-loop-manip.c (create_iv): Likewise.
12847 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
12848 abs_replacement): Likewise.
12849 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
12850 realify_fake_stores): Likewise.
12851
12852 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
12853 node rather than a GIMPLE_MODIFY_STMT node.
12854 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
12855 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
12856 Likewise.
12857 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
12858 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
12859 GIMPLE_MODIFY_STMT.
12860
12861 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12862
12863 PR middle-end/30433
12864 * fold-const.c (fold_comparison): Add back the
12865 folding of constant complex comparisions.
12866
12867 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
12868
12869 PR middle-end/30729
12870 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
12871 effects unknown to this function, return early.
12872
12873 2007-02-15 Ian Lance Taylor <iant@google.com>
12874
12875 * lower-subreg.c (move_eh_region_note): New static function.
12876 (resolve_simple_move): Call it.
12877 (decompose_multiword_subregs): Track blocks for which we resolve a
12878 simple move which is also a control flow insn. Pass them to
12879 find_many_sub_basic_blocks.
12880 (pass_lower_subreg): Add TODO_verify_flow.
12881 (pass_lower_subreg2): Likewise.
12882
12883 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12884 Brooks Moses <brooks.moses@codesourcery.com>
12885 Lee Millward <lee.millward@codesourcery.com>
12886
12887 * tree.h (enum tree_code_class): Add tcc_vl_exp.
12888 (VL_EXP_CLASS_P): New.
12889 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
12890 TREE_CODE_LENGTH.
12891 (TREE_OPERAND_CHECK_CODE): Likewise.
12892 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
12893 (TREE_RTL_OPERAND_CHECK): Likewise.
12894 (tree_operand_check_failed): Make second parameter the whole tree
12895 instead of its code. Fixed callers.
12896 (VL_EXP_CHECK): New.
12897 (TREE_OPERAND_LENGTH): New.
12898 (VL_EXP_OPERAND_LENGTH): New.
12899 (CALL_EXPR_FN): New.
12900 (CALL_EXPR_STATIC_CHAIN): New.
12901 (CALL_EXPR_ARGS): New.
12902 (CALL_EXPR_ARG): New.
12903 (call_expr_nargs): New.
12904 (CALL_EXPR_ARGP): New.
12905 (build_nt_call_list): Declare.
12906 (build_vl_exp_stat): Declare.
12907 (build_vl_exp): New.
12908 (build_call_list): Declare.
12909 (build_call_nary): Declare.
12910 (build_call_valist): Declare.
12911 (build_call_array): Declare.
12912 (call_expr_arg): Declare.
12913 (call_expr_argp): Declare.
12914 (call_expr_arglist): Declare.
12915 (fold_build_call_list): Declare.
12916 (fold_build_call_list_initializer): Declare.
12917 (fold_call_expr): Declare to replace fold_builtin.
12918 (fold_builtin_fputs): Update to agree with modified definition.
12919 (fold_builtin_strcpy): Likewise.
12920 (fold_builtin_strncpy): Likewise.
12921 (fold_builtin_memory_chk): Likewise.
12922 (fold_builtin_stxcpy_chk): Likewise.
12923 (fold_builtin_strncpy_chk): Likewise.
12924 (fold_builtin_next_arg): Likewise.
12925 (fold_build_call_expr): Declare.
12926 (fold_builtin_call_list): Declare.
12927 (fold_builtin_call_valist): Declare.
12928 (build_call_expr): Declare.
12929 (validate_arglist): Update to agree with modified definition.
12930 (tree_operand_length): New.
12931 (call_expr_arg_iterator): New.
12932 (init_call_expr_arg_iterator): New.
12933 (next_call_expr_arg): New.
12934 (first_call_expr_arg): New.
12935 (more_call_expr_args_p): New.
12936 (FOR_EACH_CALL_EXPR_ARG): New.
12937
12938 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
12939 and tcc_gimple_stmt.
12940 (tree_code_size): Update documentation. Use sizeof (tree) rather
12941 than sizeof (char *).
12942 (tree_size): Likewise. Add case for tcc_vl_exp.
12943 (tree_node_structure): Add case for tcc_vl_exp.
12944 (contains_placeholder_p): Likewise.
12945 (substitute_in_expr): Likewise.
12946 (substitute_placeholder_in_expr): Likewise.
12947 (stabilize_reference_1): Likewise.
12948 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
12949 to diagnose breakage of this interface for constructing CALL_EXPRs.
12950 (build_nt): Add similar assertion here.
12951 (build_nt_call_list): New.
12952 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
12953 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
12954 TREE_CODE_LENGTH.
12955 (get_callee_fndecl): Use new CALL_EXPR accessors.
12956 (tree_operand_check_failed): Change parameters to pass entire node
12957 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
12958 (process_call_operands): New.
12959 (build_vl_exp_stat): New.
12960 (build_call_list): New.
12961 (build_call_nary): New.
12962 (build_call_valist): New.
12963 (build_call_array): New.
12964 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
12965 (call_expr_arglist): New.
12966
12967 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
12968 tcc_vl_exp instead of a fixed-size tcc_expression.
12969
12970 * doc/c-tree.texi (CALL_EXPR): Document new representation and
12971 accessors for CALL_EXPRs.
12972 (AGGR_INIT_EXPR): Likewise.
12973
12974 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
12975 Brooks Moses <brooks.moses@codesourcery.com>
12976 Lee Millward <lee.millward@codesourcery.com>
12977
12978 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
12979 (expand_builtin_nonlocal_goto): Change parameter to be entire
12980 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
12981 (expand_builtin_prefetch): Likewise.
12982 (expand_builtin_classify_type): Likewise.
12983 (mathfn_built_in): Return NULL_TREE instead of 0.
12984 (expand_errno_check): Use new CALL_EXPR accessors.
12985 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
12986 Return NULL_RTX instead of 0.
12987 (expand_builtin_mathfn_2): Likewise.
12988 (expand_builtin_mathfn_3): Likewise.
12989 (expand_builtin_interclass_mathfn): Likewise.
12990 (expand_builtin_sincos): Likewise.
12991 (expand_builtin_cexpi): Likewise.
12992 (expand_builtin_int_roundingfn): Likewise.
12993 (expand_builtin_int_roundingfn_2): Likewise.
12994 (expand_builtin_pow): Likewise.
12995 (expand_builtin_powi): Likewise.
12996 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
12997 of arglist, fixing callers appropriately. Use new CALL_EXPR
12998 accessors and constructors. Return NULL_RTX instead of 0.
12999 (expand_builtin_strstr): Likewise.
13000 (expand_builtin_strchr): Likewise.
13001 (expand_builtin_strrchr): Likewise.
13002 (expand_builtin_strpbrk): Likewise.
13003 (expand_builtin_memcpy): Likewise.
13004 (expand_builtin_mempcpy): Likewise.
13005 (expand_builtin_mempcpy_args): New.
13006 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
13007 (expand_builtin_memmove_args): New.
13008 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
13009 (expand_movstr): Likewise.
13010 (expand_builtin_strcpy): Likewise.
13011 (expand_builtin_strcpy_args): New.
13012 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
13013 (expand_builtin_strncpy): Likewise.
13014 (expand_builtin_memset): Likewise.
13015 (expand_builtin_memset_args): New.
13016 (expand_builtin_bzero): Similarly to expand_builtin_memset.
13017 (expand_builtin_memcmp): Likewise.
13018 (expand_builtin_strcmp): Likewise.
13019 (expand_builtin_strncmp): Likewise.
13020 (expand_builtin_strcat): Likewise.
13021 (expand_builtin_strncat): Likewise.
13022 (expand_builtin_strspn): Likewise.
13023 (expand_builtin_strcspn): Likewise.
13024 (expand_builtin_args_info): Likewise.
13025 (expand_builtin_va_start): Likewise.
13026 (gimplify_va_arg_expr): Likewise.
13027 (expand_builtin_va_end): Likewise.
13028 (expand_builtin_va_copy): Likewise.
13029 (expand_builtin_frame_address): Likewise.
13030 (expand_builtin_alloca): Likewise.
13031 (expand_builtin_bswap): Likewise.
13032 (expand_builtin_unop): Likewise.
13033 (expand_builtin_fputs): Likewise.
13034 (expand_builtin_expect): Likewise.
13035 (expand_builtin_fabs): Likewise.
13036 (expand_builtin_copysign): Likewise.
13037 (expand_builtin_printf): Likewise.
13038 (expand_builtin_fprintf): Likewise.
13039 (expand_builtin_sprintf): Likewise.
13040 (expand_builtin_init_trampoline): Likewise.
13041 (expand_builtin_signbit): Likewise.
13042 (expand_builtin_fork_or_exec): Likewise.
13043 (expand_builtin_sync_operation): Likewise.
13044 (expand_builtin_compare_and_swap): Likewise.
13045 (expand_builtin_lock_test_and_set): Likewise.
13046 (expand_builtin_lock_release): Likewise.
13047 (expand_builtin): Likewise.
13048 (builtin_mathfn_code): Likewise.
13049
13050 (fold_builtin_constant_p): Pass call arguments individually instead
13051 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
13052 accessors and constructors. Return NULL_TREE instead of 0.
13053 (fold_builtin_expect): Likewise.
13054 (fold_builtin_classify_type): Likewise.
13055 (fold_builtin_strlen): Likewise.
13056 (fold_builtin_nan): Likewise.
13057 (integer_valued_real_p): Likewise.
13058 (fold_trunc_transparent_mathfn): Likewise.
13059 (fold_fixed_mathfn): Likewise.
13060 (fold_builtin_cabs): Likewise.
13061 (fold_builtin_sqrt): Likewise.
13062 (fold_builtin_cbrt): Likewise.
13063 (fold_builtin_cos): Likewise.
13064 (fold_builtin_cosh): Likewise.
13065 (fold_builtin_tan): Likewise.
13066 (fold_builtin_sincos): Likewise.
13067 (fold_builtin_cexp): Likewise.
13068 (fold_builtin_trunc): Likewise.
13069 (fold_builtin_floor): Likewise.
13070 (fold_builtin_ceil): Likewise.
13071 (fold_builtin_round): Likewise.
13072 (fold_builtin_int_roundingfn): Likewise.
13073 (fold_builtin_bitop): Likewise.
13074 (fold_builtin_bswap): Likewise.
13075 (fold_builtin_logarithm): Likewise.
13076 (fold_builtin_hypot): Likewise.
13077 (fold_builtin_pow): Likewise.
13078 (fold_builtin_powi): Likewise.
13079 (fold_builtin_exponent): Likewise.
13080 (fold_builtin_memset): Likewise.
13081 (fold_builtin_bzero): Likewise.
13082 (fold_builtin_memory_op): Likewise.
13083 (fold_builtin_bcopy): Deleted; call site changed to invoke
13084 fold_builtin_memory_op directly.
13085 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
13086 (fold_builtin_strncpy): Likewise.
13087 (fold_builtin_memcmp): Likewise.
13088 (fold_builtin_strcmp): Likewise.
13089 (fold_builtin_strncmp): Likewise.
13090 (fold_builtin_signbit): Likewise.
13091 (fold_builtin_copysign): Likewise.
13092 (fold_builtin_isascii): Likewise.
13093 (fold_builtin_toascii): Likewise.
13094 (fold_builtin_isdigit): Likewise.
13095 (fold_builtin_fabs): Likewise.
13096 (fold_builtin_abs): Likewise.
13097 (fold_builtin_fmin_fmax): Likewise.
13098 (fold_builtin_carg): Likewise.
13099 (fold_builtin_classify): Likewise.
13100 (fold_builtin_unordered_cmp): Likewise.
13101
13102 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
13103 New functions split out from fold_builtin_1.
13104 (fold_builtin_n): New.
13105 (fold_builtin_varargs): New.
13106 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
13107 instead.
13108 (fold_call_expr): New.
13109 (build_function_call_expr): Rewrite to use new helper function.
13110 (fold_builtin_call_list): New.
13111 (build_call_expr): New.
13112 (fold_builtin_call_valist): New.
13113 (rewrite_call_expr): New.
13114 (validate_arg): New.
13115 (validate_arglist): Change parameter to be entire CALL_EXPR instead
13116 of an arglist. Change return type to bool. Use new CALL_EXPR
13117 accessors.
13118
13119 (fold_builtin_strstr): Pass call arguments individually instead
13120 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
13121 accessors and constructors. Return NULL_TREE instead of 0.
13122 (fold_builtin_strchr): Likewise.
13123 (fold_builtin_strrchr): Likewise.
13124 (fold_builtin_strpbrk): Likewise.
13125 (fold_builtin_strcat): Likewise.
13126 (fold_builtin_strncat): Likewise.
13127 (fold_builtin_strspn): Likewise.
13128 (fold_builtin_strcspn): Likewise.
13129 (fold_builtin_fputs): Likewise.
13130 (fold_builtin_next_arg): Likewise.
13131 (fold_builtin_sprintf): Likewise.
13132
13133 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
13134 NULL_RTX instead of 0.
13135 (expand_builtin_memory_chk): Likewise.
13136 (maybe_emit_chk_warning): Likewise.
13137 (maybe_emit_sprintf_chk_warning): Likewise.
13138
13139 (fold_builtin_object_size): Pass call arguments individually instead
13140 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
13141 accessors and constructors. Return NULL_TREE instead of 0.
13142 (fold_builtin_memory_chk): Likewise.
13143 (fold_builtin_stxcpy_chk): Likewise.
13144 (fold_builtin_strncpy_chk): Likewise.
13145 (fold_builtin_strcat_chk): Likewise.
13146 (fold_builtin_strcat_chk): Likewise.
13147 (fold_builtin_strncat_chk): Likewise.
13148 (fold_builtin_sprintf_chk): Likewise.
13149 (fold_builtin_snprintf_chk): Likewise.
13150 (fold_builtin_printf): Likewise.
13151 (fold_builtin_vprintf): Likewise.
13152
13153 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
13154 constructors.
13155 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
13156 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13157 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
13158 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
13159 (fold_unary): Likewise.
13160 (fold_binary): Likewise.
13161 (fold_ternary): Remove CALL_EXPR case, since they are no longer
13162 ternary expressions.
13163 (fold): Add logic for tcc_vl_exp.
13164 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
13165 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13166 (fold_build3_stat): Add assertion to flag broken interface for
13167 constructing CALL_EXPRs.
13168 (fold_build_call_list): New.
13169 (fold_build_call_list_initializer): New.
13170 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
13171 constructors.
13172 (fold_strip_sign_ops): Likewise.
13173
13174 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13175 Brooks Moses <brooks.moses@codesourcery.com>
13176 Lee Millward <lee.millward@codesourcery.com>
13177
13178 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
13179 accessors and dump arguments explicitly.
13180
13181 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
13182 TREE_CODE_LENGTH.
13183 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
13184 explicitly.
13185 (print_call_name): Use new CALL_EXPR accessors.
13186
13187 * print-tree.c (print_node): Add case tcc_vl_exp. Print
13188 CALL_EXPR arguments explicitly instead of as a list. Use
13189 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13190
13191 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
13192 (vrp_visit_stmt): Likewise.
13193
13194 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
13195 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
13196 TREE_CODE_LENGTH.
13197 (force_move_till_expr): Likewise.
13198
13199 * targhooks.c (default_external_stack_protect_fail): Use
13200 build_call_expr instead of build_function_call_expr.
13201 (default_hidden_stack_protect_fail): Likewise.
13202
13203 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
13204 build the call.
13205
13206 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
13207 and walk arguments explicitly.
13208
13209 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
13210 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13211 (expand_simple_operations): Likewise.
13212 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
13213
13214 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
13215 of TREE_CODE_LENGTH.
13216 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
13217
13218 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
13219 instead of TREE_CODE_LENGTH.
13220
13221 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
13222 (tree_ic_transform): Likewise.
13223 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
13224 parameter instead of arglist. Fix callers.
13225 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
13226 (tree_stringops_transform): Likewise.
13227 (tree_indirect_call_to_profile): Likewise.
13228 (tree_stringops_values_to_profile): Likewise.
13229
13230 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
13231 (eliminate_tail_call): Likewise.
13232
13233 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
13234
13235 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
13236 Use TREE_OPERAND_LENGTH and generalize to handle any number of
13237 operands.
13238 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
13239
13240 * omp-low.c (build_omp_barrier): Use build_call_expr.
13241 (lower_rec_input_clauses): Likewise.
13242 (lower_reduction_clauses): Likewise.
13243 (expand_parallel_call): Likewise.
13244 (maybe_catch_exception): Likewise.
13245 (expand_omp_for_generic): Likewise.
13246 (expand_omp_for_static_nochunk): Likewise.
13247 (expand_omp_sections): Likewise.
13248 (lower_omp_single_simple): Likewise.
13249 (lower_omp_single_copy): Likewise.
13250 (lower_omp_master): Likewise.
13251 (lower_omp_ordered): Likewise.
13252 (lower_omp_critical): Likewise.
13253
13254 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
13255 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
13256
13257 * tree-gimple.c (is_gimple_call_addr): Fix doc.
13258 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
13259 TREE_CODE_LENGTH. Add tcc_vl_exp case.
13260
13261 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
13262 and generalize to handle any number of operands.
13263 (chrec_contains_undetermined): Likewise.
13264 (tree_contains_chrecs): Likewise.
13265 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
13266
13267 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
13268
13269 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
13270 fold_call_expr instead of fold_builtin.
13271 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
13272 match declarations there.
13273 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
13274 updates.
13275
13276 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
13277 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13278
13279 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
13280 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
13281
13282 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
13283 accessors.
13284
13285 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
13286 (execute_cse_sincos): Use new CALL_EXPR accessors.
13287
13288 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
13289
13290 * gimple-low.c (lower_function_body): Use build_call_expr.
13291 (lower_builtin_setjmp): Likewise.
13292
13293 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
13294 (set_storage_via_libcall): Likewise.
13295 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
13296 instead of TREE_CODE_LENGTH.
13297 (expand_expr_real_1): Use new CALL_EXPR accessors.
13298
13299 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
13300 generalize to handle any number of operands.
13301 (TB_parent_eq): Likewise.
13302
13303 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
13304 (strip_builtin_expect): Likewise.
13305
13306 * function.c (gimplify_parameters): Use build_call_expr.
13307
13308 * tree-vectorizer.c (vect_is_simple_reduction): Use
13309 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13310
13311 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
13312 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
13313
13314 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
13315 iterators.
13316
13317 * gimplify.c (build_stack_save_restore): Use build_call_expr.
13318 (gimplify_decl_expr): Likewise.
13319 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
13320 Use new CALL_EXPR iterators.
13321 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
13322 (gimplify_modify_expr_to_memset): Likewise.
13323 (gimplify_variable_sized_compare): Likewise.
13324 (gimplify_omp_atomic_fetch_op): Likewise.
13325 (gimplify_omp_atomic_pipeline): Likewise.
13326 (gimplify_omp_atomic_mutex): Likewise.
13327 (gimplify_function_tree): Likewise.
13328
13329 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
13330 (call_expr_flags): Likewise.
13331 (expand_call): Likewise.
13332
13333 * except.c (expand_builtin_eh_return_data_regno): Pass entire
13334 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13335 accessors.
13336
13337 * coverage.c (create_coverage): Use build_call_expr.
13338
13339 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
13340 (temp_call_expr_obstack): New.
13341 (pool_copy_list): Delete.
13342 (temp_copy_call_expr): New.
13343 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
13344 CALL_EXPR accessors. Get rid of special goo for copying argument
13345 lists and use temp_copy_call_expr instead.
13346 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
13347 CALL_EXPR accessors.
13348 (create_expression_by_pieces): Likewise. Use build_call_array
13349 to construct the result instead of fold_build3.
13350 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
13351 dealing with argument lists.
13352 (init_pre): Remove references to expression_node_pool and
13353 list_node_pool. Init temp_call_expr_obstack instead.
13354 (fini_pre): Remove references to expression_node_pool and
13355 list_node_pool.
13356
13357 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
13358 and walk arguments explicitly instead of as a list.
13359
13360 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
13361 (mx_register_decls): Likewise.
13362 (mudflap_register_call): Likewise.
13363 (mudflap_finish_file): Likewise.
13364
13365 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
13366 (ipa_callsite_compute_param): Likewise.
13367
13368 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
13369 accessors and constructor.
13370
13371 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
13372 accessors and constructor.
13373 (convert_tramp_reference): Likewise.
13374 (convert_call_expr): Likewise.
13375 (finalize_nesting_tree_1): Likewise.
13376
13377 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
13378 accessors.
13379
13380 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
13381
13382 * tree-inline.c (initialize_inlined_parameters): Pass entire
13383 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13384 accessors.
13385 (estimate_num_insns_1): Use new CALL_EXPR accessors.
13386 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
13387
13388 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
13389 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13390 (vectorizable_reduction): Likewise.
13391 (vectorizable_call): Use new CALL_EXPR iterators.
13392 (vectorizable_conversion): Use build_call_expr.
13393 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
13394 (vect_gen_widened_results_half): Use build_call_expr.
13395 (vect_setup_realignment): Likewise.
13396 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
13397
13398 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
13399 (pass_through_call): Likewise.
13400 (compute_object_sizes): Likewise. Use fold_call_expr instead of
13401 fold_builtin.
13402
13403 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
13404 (tree_gen_pow2_profiler): Likewise.
13405 (tree_gen_one_value_profiler): Likewise.
13406 (tree_gen_ic_func_profiler): Likewise.
13407 (tree_gen_average_profiler): Likewise.
13408 (tree_gen_ior_profiler): Likewise.
13409
13410 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
13411 (find_func_aliases): Use new CALL_EXPR accessors. Add case
13412 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13413
13414 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
13415 of TREE_CODE_LENGTH.
13416
13417 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
13418 of TREE_CODE_LENGTH.
13419
13420 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
13421 constructor.
13422 (convert_to_integer): Likewise.
13423
13424 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
13425 accessors.
13426
13427 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13428 Brooks Moses <brooks.moses@codesourcery.com>
13429 Lee Millward <lee.millward@codesourcery.com>
13430
13431 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
13432 accessors.
13433 * config/frv/frv.c (frv_expand_builtin): Likewise.
13434 * config/s390/s390.c (s390_expand_builtin): Likewise.
13435
13436 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
13437 (sparc_expand_builtin): Use new CALL_EXPR accessors.
13438
13439 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
13440 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
13441 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
13442 (ix86_expand_store_builtin): Likewise.
13443 (ix86_expand_unop_builtin): Likewise.
13444 (ix86_expand_unop1_builtin): Likewise.
13445 (ix86_expand_sse_compare): Likewise.
13446 (ix86_expand_sse_comi): Likewise.
13447 (ix86_expand_vec_init_builtin): Likewise.
13448 (ix86_expand_vec_ext_builtin): Likewise.
13449 (ix86_expand_vec_set_builtin): Likewise.
13450 (ix86_expand_builtin): Use new CALL_EXPR accessors.
13451
13452 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
13453 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
13454
13455 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
13456 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13457 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
13458
13459 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
13460 build_call_expr.
13461 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13462 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
13463 arglist. Use new CALL_EXPR accessors. Fix callers.
13464 (altivec_expand_abs_builtin): Likewise.
13465 (rs6000_expand_binop_builtin): Likewise.
13466 (altivec_expand_predicate_builtin): Likewise.
13467 (altivec_expand_lv_builtin): Likewise.
13468 (spe_expand_stv_builtin): Likewise.
13469 (altivec_expand_stv_builtin): Likewise.
13470 (rs6000_expand_ternop_builtin): Likewise.
13471 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
13472 (altivec_expand_st_builtin): Likewise.
13473 (altivec_expand_dst_builtin): Likewise.
13474 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
13475 arglist. Use new CALL_EXPR accessors. Fix callers.
13476 (altivec_expand_vec_set_builtin): Likewise.
13477 (altivec_expand_vec_ext_builtin): Likewise.
13478 (altivec_expand_builtin): Use new CALL_EXPR accessors.
13479 (spe_expand_builtin): Likewise.
13480 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
13481 arglist. Use new CALL_EXPR accessors. Fix callers.
13482 (spe_expand_evsel_builtin): Likewise.
13483 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
13484 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
13485
13486 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
13487 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13488 (arm_expand_unop_builtin): Likewise.
13489 (arm_expand_builtin): Use new CALL_EXPR accessors.
13490
13491 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
13492 accessors.
13493
13494 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
13495 CALL_EXPR instead of arglist. Use new CALL_EXPR accessors.
13496 Fix callers.
13497 (bfin_expand_unop_builtin): Likewise.
13498 (bfin_expand_builtin): Use new CALL_EXPR accessors.
13499
13500 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13501 Brooks Moses <brooks.moses@codesourcery.com>
13502 Lee Millward <lee.millward@codesourcery.com>
13503
13504 * c-semantics.c (build_stmt): Add internal diagnostic check.
13505
13506 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
13507 accessors. Print arguments explicitly instead of as a list.
13508
13509 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
13510
13511 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
13512 (c_finish_omp_flish): Likewise.
13513
13514 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
13515 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
13516 instead of TREE_CODE_LENGTH.
13517 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
13518 (c_warn_unused_result): Likewise.
13519
13520 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13521
13522 PR c/26494
13523 * doc/invoke.texi (Warning Options): Remove
13524 -Werror-implicit-function-declaration.
13525 (Wimplicit-function-declaration): Update description.
13526 * opts.c (common_handle_option): Move handling of -Werror=* to...
13527 (enable_warning_as_error): ...here.
13528 * opts.h (enable_warning_as_error): Declare.
13529 * c-decl.c (implicit_decl_warning): Unless
13530 -Wno-implicit-function-declaration is given, emit a pedwarn if
13531 -std=c99 or emit a warning if -Wimplicit-function-declaration.
13532 * c.opt (Wimplicit-function-declaration): Replace
13533 mesg_implicit_function_declaration with
13534 warn_implicit_function_declaration.
13535 * c-opts.c (c_common_handle_option):
13536 -Werror-implicit-function-declaration is exactly equal as
13537 -Werror=implicit-function-declaration.
13538 (set_Wimplicit): Replace mesg_implicit_function_declaration with
13539 warn_implicit_function_declaration.
13540 (c_common_post_options): -Wimplict-function-declaration is enabled
13541 by default by -std=c99, otherwise is disabled by default.
13542 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
13543
13544 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13545
13546 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
13547 DECL on the rhs to a DECL on the lhs for debug info purposes if the
13548 former is ignored but not the latter.
13549
13550 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13551
13552 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
13553 is made and the reference doesn't use the alias set of its type,
13554 do not create the temporary using that type.
13555
13556 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
13557
13558 * jump.c: Remove prototypes for delete_computation and
13559 delete_prior_computation.
13560
13561 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13562
13563 * jump.c (get_label_after): Delete.
13564 (get_label_before, delete_computation, delete_jump,
13565 delete_prior_computation, follow_jumps): Move...
13566 * reorg.c (delete_computation, delete_prior_computation): ... here...
13567 (get_label_before, delete_jump): ... making these static ...
13568 (follow_jumps): ... and simplifying this since it only runs after
13569 reload.
13570 * rtl.h (get_label_after, get_label_before, delete_jump,
13571 follow_jumps): Delete prototypes.
13572
13573 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13574
13575 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
13576
13577 2007-02-15 Nick Clifton <nickc@redhat.com>
13578
13579 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
13580 order to prevent it from being munged by the target.
13581
13582 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
13583
13584 * config/i386/i386.md: Remove misleading comment.
13585
13586 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13587
13588 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
13589 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
13590 invalid patterns.
13591
13592 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13593
13594 * tree-sra.c (instantiate_missing_elements): Canonicalize
13595 bit-field types.
13596 (sra_build_assignment): New.
13597 (generate_copy_inout, generate_element_copy,
13598 generate_element_zero, generate_one_element_init): Use it.
13599
13600 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13601
13602 * tree-sra.c (instantiate_missing_elements): Canonicalize
13603 bit-field types.
13604 (sra_build_assignment): New.
13605 (generate_copy_inout, generate_element_copy,
13606 generate_element_zero, generate_one_element_init): Use it.
13607
13608 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13609
13610 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
13611 limbo die nodes.
13612
13613 2007-02-14 Joseph Myers <joseph@codesourcery.com>
13614
13615 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
13616 types as aggregates not scalars.
13617 * function.c (assign_stack_temp_for_type): Likewise.
13618
13619 2007-02-14 Roger Sayle <roger@eyesopen.com>
13620 Zdenek Dvorak <dvorakz@suse.cz>
13621
13622 * tree-dump.c (dump_switch_p_1): Require exact match of the option
13623 name.
13624
13625 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13626
13627 * passes.c (next_pass_1): Clear the next field of the copied
13628 pass structure.
13629
13630 2007-02-14 Richard Henderson <rth@redhat.com>
13631
13632 * tree-sra.c (early_sra): New.
13633 (decl_can_be_decomposed_p): Deny va_list if early_sra.
13634 (tree_sra_early, pass_sra_early): New.
13635 * tree-pass.h (pass_sra_early): Declare.
13636 * passes.c (init_optimization_passes): Use it.
13637
13638 2007-02-14 Richard Guenther <rguenther@suse.de>
13639
13640 * flags.h (issue_strict_overflow_warning): Convert to a macro.
13641
13642 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
13643
13644 PR tree-optimization/30771
13645 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
13646 also phi nodes.
13647 (vect_analyze_operations): Induction phis can now be marked as
13648 used_in_loop.
13649 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
13650 Update documentation accordingly.
13651
13652 2007-02-14 Nick Clifton <nickc@redhat.com>
13653
13654 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
13655 most 3 arguments are supported.
13656 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
13657
13658 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
13659
13660 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
13661 Ensure dst->current is valid.
13662
13663 2007-02-13 Paul Brook <paul@codesourcery.com>
13664
13665 * config.gcc: Add arm*-*-uclinux-*eabi.
13666 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
13667 (SUBTARGET_EXTRA_LINK_SPEC): Define.
13668 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
13669 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
13670 (LINK_SPEC): Define.
13671 (LIB_SPEC): Define.
13672 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
13673 register.
13674 * config/arm/uclinux-eabi.h: New file.
13675 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
13676 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
13677 based targets.
13678
13679 2007-02-13 Ian Lance Taylor <iant@google.com>
13680
13681 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
13682 * flags.h (warn_strict_overflow): Declare.
13683 (enum warn_strict_overflow_code): Define.
13684 (issue_strict_overflow_warning): New static inline function.
13685 * opts.c (warn_strict_overflow): New variable.
13686 (common_handle_option): Handle OPT_Wstrict_overflow and
13687 OPT_Wstrict_overflow_.
13688 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
13689 OPT_Wall.
13690 * fold-const.c: Include intl.h.
13691 (fold_deferring_overflow_warnings): New static variable.
13692 (fold_deferred_overflow_warning): New static variable.
13693 (fold_deferred_overflow_code): New static variable.
13694 (fold_defer_overflow_warnings): New function.
13695 (fold_undefer_overflow_warnings): New function.
13696 (fold_undefer_and_ignore_overflow_warnings): New function.
13697 (fold_deferring_overflow_warnings_p): New function.
13698 (fold_overflow_warning): New static function.
13699 (make_range): Add strict_overflow_p parameter. Change all
13700 callers.
13701 (extract_muldiv, extract_muldiv_1): Likewise.
13702 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
13703 tree_expr_nonnegative_p.
13704 (fold_negate_expr): Call fold_overflow_warning.
13705 (fold_range_test): Likewise.
13706 (fold_comparison): Likewise.
13707 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
13708 instead of tree_expr_nonnegative_p.
13709 (tree_expr_nonnegative_warnv_p): Rename from
13710 tree_expr_nonnegative_p, add strict_overflow_p parameter.
13711 (tree_expr_nonnegative_p): New function.
13712 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
13713 strict_overflow_p parameter.
13714 (tree_expr_nonzero_p): New function.
13715 * passes.c (verify_interpass_invariants): New static function.
13716 (execute_one_pass): Call it.
13717 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
13718 warnings.
13719 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
13720 (estimate_numbers_of_iterations): Likewise.
13721 (scev_probably_wraps_p): Likewise.
13722 * tree-ssa-ccp.c: Include "toplev.h".
13723 (evaluate_stmt): Defer fold overflow warnings until we know we are
13724 going to optimize.
13725 (struct fold_stmt_r_data): Add stmt field.
13726 (fold_stmt_r): Defer fold overflow warnings until we know we
13727 optimized.
13728 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
13729 (fold_stmt_inplace): Likewise.
13730 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
13731 (cleanup_control_expr_graph): Defer fold overflow warnings until
13732 we know we are going to optimize.
13733 * tree-cfg.c (fold_cond_expr_cond): Likewise.
13734 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
13735 Likewise.
13736 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
13737 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
13738 * tree-ssa-loop-manip.c (create_iv): Likewise.
13739 * c-typeck.c (build_conditional_expr): Likewise.
13740 (build_binary_op): Likewise.
13741 * tree-vrp.c (vrp_expr_computes_nonzero): Call
13742 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
13743 (extract_range_from_unary_expr): Likewise.
13744 * simplify-rtx.c (simplify_const_relational_operation): Warn when
13745 assuming that signed overflow does not occur.
13746 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
13747 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
13748 (fold_defer_overflow_warnings): Declare.
13749 (fold_undefer_overflow_warnings): Declare.
13750 (fold_undefer_and_ignore_overflow_warnings): Declare.
13751 (fold_deferring_overflow_warnings_p): Declare.
13752 (tree_expr_nonzero_warnv_p): Declare.
13753 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
13754 of warning options.
13755 (Warning Options): Document -Wstrict-overflow.
13756 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
13757 (tree-ssa-ccp.o): Likewise.
13758 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
13759 (fold-const.o): Depend on intl.h.
13760
13761 2007-02-13 Ian Lance Taylor <iant@google.com>
13762
13763 PR middle-end/30751
13764 * lower-subreg.c (resolve_simple_move): Decompose subregs in
13765 addresses.
13766
13767 2007-02-13 Stuart Hastings <stuart@apple.com>
13768
13769 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
13770
13771 2007-02-13 Richard Henderson <rth@redhat.com>
13772
13773 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
13774 handled_component_p before looking for the indirect_ref.
13775
13776 2007-02-13 Richard Henderson <rth@redhat.com>
13777
13778 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
13779 remove flags clobber.
13780 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
13781 (bswaphi_lowpart): New.
13782 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
13783 remove TARGET_BSWAP test. Delete expander of the same name.
13784
13785 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
13786 (expand_unop): Use them.
13787
13788 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
13789
13790 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
13791 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
13792 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
13793 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
13794 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
13795 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
13796 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
13797 assembler dialect choice from asm templates.
13798
13799 2007-02-12 Richard Henderson <rth@redhat.com>
13800
13801 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
13802 (fixuns_trunc<SSEMODEF>si2): Use it.
13803 * config/i386/sse.md (vec_setv4sf_0): Export.
13804 * config/i386/i386.c (ix86_build_const_vector): Export.
13805 (ix86_split_convert_uns_si_sse): Rename from
13806 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
13807 * config/i386/i386-protos.h: Update.
13808
13809 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13810
13811 PR c/29521
13812 * c-typeck.c (c_finish_return): Improve warning message.
13813
13814 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13815
13816 * alias.c (find_symbolic_term): Delete unused function.
13817
13818 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
13819
13820 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
13821 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
13822 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
13823
13824 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13825
13826 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
13827 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
13828 the function, temporarily point the debug interface to the null one.
13829
13830 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
13831
13832 * dwarf2out.c (round_up_to_align): New static function.
13833 (field_byte_offset): Use it to round the offset.
13834
13835 2007-02-12 Richard Henderson <rth@redhat.com>
13836
13837 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
13838 (inswl_const): Export.
13839
13840 2007-02-12 Richard Henderson <rth@redhat.com>
13841
13842 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
13843 result mode of the libcall, convert back to outmode.
13844
13845 2007-02-12 Roger Sayle <roger@eyesopen.com>
13846
13847 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
13848 (bswapdi2): New define_expand to implement 32-bit implementation.
13849
13850 2007-02-12 Nick Clifton <nickc@redhat.com>
13851
13852 * doc/invoke.texi (Overall Options): Document --help=.
13853 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
13854 (cc1_options): Pass --help= on to cc1.
13855 (display_help): Add description of --help=.
13856 (process_command): Add code to handle --help=. Allow translated
13857 --help and --target-help switches to be passed on to compiler
13858 sub-process.
13859 (main): Remove unused if statement.
13860 * opts.c (columns): Remove.
13861 (LEFT_COLUMN): Define.
13862 (wrap_help): Add columns argument.
13863 (print_filtered_help): Change parameters to be an include bitmask,
13864 an exclude bitmask, an any bitmask and the column width. Move the
13865 code to display the params list here. Add code to display the
13866 status of options rather than their descriptions if the quiet flag
13867 is not active.
13868 (print_specific_help): Change parameters to be an include bitmask,
13869 an exclude bitmask and an any bitmask. Move code to look up the
13870 column width here. Decide upon the title for an options listing.
13871 (common_handle_options): Add code to handle --help=. Adapt code
13872 for --help and --target-help to use the revised form of the
13873 print_specific_help function.
13874 (print_help): Delete.
13875 (print_param_help): Delete.
13876 (print_switch): Delete.
13877 * opts.h (cl_lang_count): Add prototype.
13878 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
13879 CL_MAX_OPTION_CLASS): New defines.
13880 * optc-gen.awk: Add construction of cl_lang_count.
13881 * c.opt: Add Warning attribute to warning options and Optimization
13882 attribute to optimization options.
13883 * common.opt: Likewise.
13884 Add --help=.
13885 Add -fhelp and -ftarget-help as aliases for the transformed --help
13886 and --target-help options.
13887 * opt-functions.awk: Add code to handle Warning and Optimization
13888 attributes.
13889
13890 2007-02-12 Richard Henderson <rth@redhat.com>
13891
13892 * config/alpha/constraints.md: New file.
13893 * config/alpha/alpha.c: Include tm-constrs.h.
13894 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
13895 alpha_extra_constraint): Remove.
13896 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
13897 * config/alpha/alpha-protos.h: Update.
13898 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
13899 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
13900 (EXTRA_CONSTRAINT): Remove.
13901 * config/alpha/alpha.md: Include constraints.md.
13902 (adddi splitter): Use satisfies_constraint_*.
13903 * config/alpha/predicates.md (add_operand): Likewise.
13904 (sext_add_operand, addition_operation): Likewise.
13905
13906 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
13907
13908 PR tree-optimization/29145
13909 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
13910 in our handling of restrict qualified pointers.
13911
13912 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13913
13914 PR middle-end/7651
13915 * doc/invoke.texi (Wunused-value): Update description.
13916 (Wextra): Delete item.
13917 * opts.c (set_Wextra): Don't use the value of Wextra to set the
13918 value of Wunused-value.
13919 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
13920 (c_finish_stmt_expr): Don't check extra_warnings.
13921 (emit_side_effect_warnings): The caller is responsible to check
13922 warn_unused_value.
13923
13924 2007-02-11 Roger Sayle <roger@eyesopen.com>
13925 Matt Thomas <matt@3am-software.com>
13926
13927 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
13928
13929 2007-02-11 Roger Sayle <roger@eyesopen.com>
13930
13931 * simplify-rtx.c (simplify_relational_operation_1): Optimize
13932 comparisons of POPCOUNT against zero.
13933 (simplify_const_relational_operation): Likewise.
13934
13935 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13936
13937 * doc/invoke.texi (Wextra): Delete outdated paragraph.
13938
13939 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13940
13941 * dwarf2out.c (root_type): Delete unused function.
13942
13943 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13944
13945 * genattrtab.c (contained_in_p): Delete unused function.
13946 (write_expr_attr_cache): Likewise.
13947
13948 2007-02-11 Jan Hubicka <jh@suse.cz>
13949
13950 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
13951 previous patch.
13952
13953 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
13954
13955 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
13956 to add the REG_EQ* note.
13957 * see.c (see_merge_one_use_extension): Likewise.
13958 * local-alloc.c (update_equiv_regs): Likewise. Also don't
13959 turn REG_EQUAL notes into REG_EQUIV notes if the target
13960 register may have more than one set.
13961 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
13962 * gcse.c (try_replace_reg): Likewise.
13963 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
13964 * calls.c (fixup_tail_calls): Likewise. Abort if there is
13965 more than one REG_EQUIV note.
13966 * reload1.c (gen_reload): Use set_unique_reg_note.
13967
13968 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
13969
13970 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
13971 (ix86_builtin_conversion): New function.
13972
13973 2007-02-06 Mark Mitchell <mark@codesourcery.com>
13974
13975 PR target/29487
13976 * tree.h (DECL_REPLACEABLE_P): New macro.
13977 * except.c (set_nothrow_function_flags): Likewise.
13978
13979 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
13980 Ira Rosen <irar@il.ibm.com>
13981 Dorit Nuzman <dorit@il.ibm.com>
13982
13983 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
13984 * targhooks.c (default_builtin_vectorized_conversion): New.
13985 * targhooks.h (default_builtin_vectorized_function): New declaration.
13986 * target.h (struct vectorize): Add builtin_conversion field.
13987 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
13988 stmt_vec_info_type value.
13989 (vectorizable_conversion): New declaration.
13990 * tree-vect-analyze.c (vect_analyze_operations): Add
13991 vectorizable_conversion call.
13992 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
13993 * tree-vect-transform.c (vectorizable_conversion): New function.
13994 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
13995 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
13996 mode.
13997 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
13998 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
13999 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
14000 or ALTIVEC_BUILTIN_VCFSX.
14001
14002 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14003
14004 PR target/30634
14005 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
14006 CONST_DOUBLE and operand 0 is a hard register.
14007 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
14008 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
14009 is a hard floating-point register.
14010
14011 2007-02-10 Richard Henderson <rth@redhat.com>
14012 Jakub Jelinek <jakub@redhat.com>
14013 Alexandre Oliva <aoliva@redhat.com>
14014
14015 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
14016 * builtin-types.def (BT_WORD): Make unsigned.
14017 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
14018 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
14019 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
14020 * c-decl.c (grokdeclarator): Don't error if !have_tls.
14021 * c-parser.c (c_parser_omp_threadprivate): Likewise.
14022 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
14023 emulated tls.
14024 * expr.c (emutls_var_address): New.
14025 (expand_expr_real_1): Expand emulated tls.
14026 (expand_expr_addr_expr_1): Likewise.
14027 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
14028 * output.h (emutls_finish): Declare.
14029 * toplev.c (compile_file): Call it.
14030 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
14031 address before wrapping in CONST.
14032 * varasm.c (emutls_htab, emutls_object_type): New.
14033 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
14034 (get_emutls_object_name, get_emutls_object_type): New.
14035 (get_emutls_init_templ_addr, emutls_decl): New.
14036 (emutls_common_1, emutls_finish): New.
14037 (assemble_variable): When emulating tls, swap decls; generate
14038 constructor for the emutls objects.
14039 (do_assemble_alias): When emulating tls, swap decl and target name.
14040 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
14041 for emulated tls.
14042 * varpool.c (decide_is_variable_needed): Look at force_output.
14043 Recurse for emulated tls.
14044 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
14045 with decide_is_variable_needed.
14046 * emutls.c: New file.
14047 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
14048 tls_object for real tls.
14049
14050 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
14051
14052 PR rtl-optimization/29599
14053 * reload1.c (eliminate_regs_in_insn): Take the destination
14054 mode into account when computing the offset.
14055
14056 2007-02-09 Stuart Hastings <stuart@apple.com>
14057 Richard Henderson <rth@redhat.com>
14058
14059 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
14060 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
14061 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
14062 fixuns_truncdfhi2): New.
14063 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
14064 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
14065 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
14066 (floatunssidf2): Allow nonimmediate source.
14067 * config/i386/sse.md (movdi_to_sse): New.
14068 (vec_concatv2di): Drop '*'.
14069 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
14070 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
14071 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
14072 New.
14073 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
14074 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
14075 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
14076 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
14077 (ix86_build_signbit_mask): Fix decl of v, refactor to call
14078 ix86_build_const_vector.
14079 (x86_emit_floatuns): Rewrite.
14080
14081 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14082
14083 * genautomata.c (longest_path_length): Delete unused function.
14084 (struct state): Delete unused longest_path_length.
14085 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
14086 (get_free_state): Delete unused.
14087
14088 2007-02-09 Jan Hubicka <jh@suse.cz>
14089
14090 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
14091 * doc/invoke.texi (inline-unit-growth): Update default value.
14092
14093 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
14094 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
14095 (rebuild_cgraph_edges): Likewise.
14096 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
14097 (dump_cgraph_node): Dump frequencies.
14098 (cgraph_clone_edge): Add frequency scales.
14099 (cgraph_clone_node): Add freuqnecy.
14100 * cgraph.h (cgraph_edge): Add freuqnecy argument.
14101 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
14102 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
14103 * tree-pass.h (TODO_rebuild_frequencies): New constant.
14104 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
14105 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
14106 (save_inline_function_body): Likewise.
14107 * ipa-inline.c: inluce rtl.h
14108 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
14109 (cgraph_edge_badness): Use frequencies.
14110 (cgraph_decide_recursive_inlining): Update clonning.
14111 (cgraph_decide_inlining_of_small_function): Dump frequency.
14112 * predict.c (estimate_bb_frequencies): Export.
14113 * predict.h (estimate_bb_frequencies): Declare.
14114 * tree-inline.c (copy_bb): Watch overflows.
14115 (expand_call_inline): Update call of cgraph_create_edge.
14116 (optimize_inline_calls): Use TODO flags to update frequnecies.
14117 * passes.h: Include predict.h
14118 (init_optimization_passes): Move profile ahead.
14119 (execute_function_todo): Handle TODO_rebuild_frequencies.
14120
14121 2007-02-09 Roger Sayle <roger@eyesopen.com>
14122
14123 * config/alpha/alpha.c (emit_insxl): Force the first operand of
14124 the insbl or inswl pattern into a register.
14125
14126 2007-02-09 Roger Sayle <roger@eyesopen.com>
14127
14128 * config/ia64/ia64.md (bswapdi2): New define_insn.
14129
14130 2007-02-09 Richard Henderson <rth@redhat.com>
14131
14132 * config/i386/constraints.md (Ym): New constraint.
14133 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
14134 (movdi_1_rex64): Split sse and xmm general register moves from
14135 memory move alternatives. Use conditional register constraints.
14136 (movsf_1, movdf_integer): Likewise.
14137 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
14138 (movdf_integer_rex64): New.
14139 (pushsf_rex64): Fix output constraints.
14140 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
14141 (sse2_stored): Likewise.
14142 (sse2_storeq_rex64): New.
14143 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
14144 amd and not generic.
14145 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
14146 for optimize_size. Remove SF/DFmode hack.
14147
14148 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
14149
14150 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
14151 (bit_SSE4a): New.
14152
14153 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
14154 Richard Sandiford <richard@codesourcery.com>
14155
14156 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
14157 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
14158 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
14159 m68k/t-mlib to tmake_file.
14160 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
14161 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
14162 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
14163 Allow it to be cf or m68k. Set m68k_arch_family. If that
14164 variable is not empty, add t-$m68k_arch_family to tmake_file.
14165 Add t-mlibs to tmake_file.
14166 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
14167 * config/m68k/t-cf: New file.
14168 * config/m68k/t-m68k: Likewise.
14169 * config/m68k/t-mlibs: Likewise.
14170 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14171 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
14172 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
14173 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14174 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
14175 Delete.
14176 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
14177 (INSTALL_LIBGCC): Delete.
14178 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
14179 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14180 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
14181 (M68K_MLIB_CPU): Define.
14182 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14183 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
14184 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
14185
14186 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14187 Richard Guenther <rguenther@suse.de>
14188
14189 PR middle-end/23361
14190 * fold-const.c (fold_comparison): Handle obfuscated comparisons
14191 against INT_MIN/INT_MAX.
14192 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
14193 file if a loop is removed.
14194
14195 2007-02-09 Joseph Myers <joseph@codesourcery.com>
14196
14197 * calls.c (store_one_arg): Pass correct alignment to
14198 emit_push_insn for non-BLKmode values.
14199 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
14200 unaligned stack slot via a suitably aligned slot.
14201
14202 2007-02-08 DJ Delorie <dj@redhat.com>
14203
14204 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
14205 warnings.
14206 (legal_subregs): Use unsigned char, make const.
14207 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
14208
14209 2007-02-08 Paul Brook <paul@codesourcery.com>
14210
14211 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
14212 special interworking needed.
14213
14214 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
14215
14216 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
14217 conditional to __SSE2__.
14218 (Entries below should have been added to first ChangeLog
14219 entry for amdfam10 dated 2007-02-05)
14220 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
14221 defined.
14222 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
14223 defined.
14224 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
14225 defined.
14226
14227 2007-02-08 DJ Delorie <dj@redhat.com>
14228
14229 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
14230 * config/m32c/m32c.c (legal_subregs): New.
14231 (m32c_illegal_subreg_p): New.
14232 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
14233 unsupported subregs of hard regs.
14234
14235 2007-02-08 Jan Hubicka <jh@suse.cz>
14236
14237 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
14238 the same one; always update histograms.
14239
14240 2007-02-08 Diego Novillo <dnovillo@redhat.com>
14241
14242 * passes.c (init_optimization_passes): Tidy comment.
14243
14244 2007-02-08 Roger Sayle <roger@eyesopen.com>
14245
14246 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
14247 strip zero_extend, bswap and rotates from POCOUNT's argument.
14248 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
14249 zero_extend and rotates from PARITY's argument.
14250 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
14251 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
14252 of an integer constant at compile-time.
14253
14254 2007-02-08 Diego Novillo <dnovillo@redhat.com>
14255
14256 PR 30562
14257 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
14258 Update all users.
14259 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
14260 users.
14261 (init_alias_info):
14262 * tree-ssa-live.c (remove_unused_locals): Do not remove
14263 TREE_ADDRESSABLE variables.
14264 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
14265 * tree-ssa-operands.c (add_virtual_operand): Remove argument
14266 FOR_CLOBBER. Update all users.
14267 If VAR has an associated alias set, add a virtual operand for
14268 it if no alias is found to conflict with the memory reference.
14269
14270 2007-02-07 Jan Hubicka <jh@suse.cz>
14271 Robert Kidd <rkidd@crhc.uiuc.edu>
14272
14273 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
14274
14275 2007-02-07 Ian Lance Taylor <iant@google.com>
14276
14277 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
14278
14279 2007-02-07 Roger Sayle <roger@eyesopen.com>
14280
14281 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
14282 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
14283 tablejumpdi, movsi_to_cr_one): Remove constraints from
14284 define_expand's match_operands.
14285
14286 2007-02-07 Roger Sayle <roger@eyesopen.com>
14287
14288 * global.c (compute_regsets): Move declatation of "i" inside of
14289 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
14290
14291 2007-02-07 Jakub Jelinek <jakub@redhat.com>
14292
14293 PR c++/30703
14294 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
14295 of INDIRECT_REF <RESULT_DECL>.
14296
14297 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
14298
14299 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
14300 Kaz Kojima <kkojima@gcc.gnu.org>
14301
14302 PR target/29746
14303 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
14304 properly.
14305 (sh_initialize_trampoline): Add parentheses to avoid a warning.
14306
14307 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14308
14309 * doc/loop.texi: Document possibility not to perform disambiguation
14310 of loops with multiple latches.
14311 * cfgloopmanip.c (alp_enum_p): Removed.
14312 (add_loop): Handle subloops. Use get_loop_body_with_size.
14313 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
14314 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
14315 the new forwarder block.
14316 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
14317 Handle the case latch is NULL.
14318 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
14319 modifications when marking loop exits.
14320 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
14321 be modified.
14322 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
14323 disambiguate_loops_with_multiple_latches.
14324 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
14325 before fix_loop_structure.
14326 * cfgloop.c: Include pointer-set.h and output.h.
14327 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
14328 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
14329 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
14330 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
14331 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
14332 disambiguate_multiple_latches, get_loop_body_with_size,
14333 disambiguate_loops_with_multiple_latches): New functions.
14334 (flow_loop_dump): Dump multiple latch edges.
14335 (flow_loop_nodes_find): Handle loops with multiple latches.
14336 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
14337 (glb_enum_p): Modified.
14338 (get_loop_body): Use get_loop_body_with_size.
14339 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
14340 (AVOID_CFG_MODIFICATIONS): New constant.
14341 (disambiguate_loops_with_multiple_latches, add_loop,
14342 get_loop_body_with_size): Declare.
14343 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
14344
14345 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
14346
14347 PR inline-asm/28686
14348 * global.c (compute_regsets): New function.
14349 (global_alloc): Refactored ELIMINABLE_REGSET
14350 and NO_GLOBAL_ALLOC_REGS computation out.
14351 (rest_of_handle_global_alloc): Call compute_regsets()
14352 for non-optimizing case.
14353
14354 2007-02-06 Richard Henderson <rth@redhat.com>
14355
14356 * config/i386/constraints.md (Y2): Rename from Y.
14357 (Yi): New constraint.
14358 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
14359 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
14360 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
14361 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
14362 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
14363 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
14364 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
14365 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
14366 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
14367 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
14368 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
14369 vec_extractv2si_1): Change Y constraints to Y2.
14370 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
14371 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
14372 Change Y constraints to Y2.
14373 (sse2_loadld): Change Y constraints to x.
14374
14375 2007-02-06 Roger Sayle <roger@eyesopen.com>
14376
14377 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
14378 (parity<mode>2): New define_expand using rs6000_emit_parity.
14379 * config/rs6000/rs6000.c (rs6000_emit_popcount,
14380 rs6000_emit_parity): New functions.
14381 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
14382 rs6000_emit_parity): Prototype here.
14383
14384 2007-02-06 Ian Lance Taylor <iant@google.com>
14385
14386 * lower-subreg.c (simple_move_operand): Reject CONST.
14387 (resolve_clobber): Call validate_change rather than directly
14388 assigning to XEXP (pat, 0).
14389
14390 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14391
14392 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
14393 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
14394 (tree-cfg.o): Remove hashtab.h dependency.
14395
14396 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
14397 (struct ivopts_data): Change niters to pointer_map_t.
14398 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
14399 (niter_for_exit): Create pointer_map on demand. Change for
14400 pointer_map API.
14401 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
14402 (free_loop_data): Destroy data->niters if created and reset field.
14403 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
14404 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
14405
14406 * tree-ssa-reassoc.c: Include pointer-set.h.
14407 (bb_rank): Change to long *.
14408 (operand_rank): Change to pointer_map_t.
14409 (find_operand_rank): Return long, -1 if not found. Declare as inline.
14410 (insert_operand_rank): Accept long.
14411 (operand_entry_hash, operand_entry_eq): Remove.
14412 (get_rank): Return long. Adjust for changes above.
14413 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
14414 and operand_rank.
14415 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
14416
14417 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
14418 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
14419 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
14420 is not NULL.
14421 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
14422 directly since it cannot be NULL.
14423 (get_vi_for_tree): Rewrite for pointer_map API.
14424 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
14425 (init_alias_vars): Create vi_for_tree as pointer_map.
14426 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
14427
14428 * tree-cfg.c: Don't include hashtab.h.
14429 (edge_to_cases): Declare as pointer_map.
14430 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
14431 Delete.
14432 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
14433 (start_recording_case_labels): Create edge_to_cases as pointer_map.
14434 (end_recoding_case_labels): Cleanup edge_to_cases manually before
14435 destroying it.
14436 (record_switch_edge): Delete.
14437 (get_cases_for_edge): Adjust for pointer_map API, inline
14438 record_switch_edge (rewritten for new API), remove goto.
14439
14440 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14441
14442 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
14443 * tree-nested.c: Include pointer-set.h.
14444 (var_map_elt, var_map_eq, var_map_hash): Delete.
14445 (struct nesting_info): Remove GTY marker. Change the two htab_t's
14446 to pointer_map_t's.
14447 (nesting_info_bitmap_obstack): New.
14448 (lookup_field_for_decl): Adjust for pointer_map API.
14449 (lookup_tramp_for_decl): Adjust for pointer_map API.
14450 (get_nonlocal_debug_decl): Adjust for pointer_map API.
14451 (get_local_debug_decl): Adjust for pointer_map API.
14452 (convert_nl_goto_reference): Adjust for pointer_map API.
14453 (convert_nl_goto_receiver): Adjust for pointer_map API.
14454 (create_nesting_tree): Create outside GGC space. Create bitmap on
14455 the new obstack. Create field_map and var_map as pointer_maps.
14456 (free_nesting_tree): Adjust for changes to create_nesting_tree.
14457 (root): Delete.
14458 (lower_nested_functions): Move root here, no need to NULL it.
14459 Initialize and release the obstack.
14460
14461 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
14462
14463 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
14464 Remove prototypes and make them non-static.
14465 (struct tree_int_map): Remove.
14466 * tree.h (struct tree_int_map): Move here, turning TO into an
14467 unsigned int.
14468 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
14469
14470 * tree.h (TREE_COMPLEXITY): Remove.
14471 (struct tree_exp): Remove complexity field.
14472 * tree.c (build1_stat): Don't set it.
14473
14474 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
14475 Victor Kaplansky <victork@il.ibm.com>
14476
14477 * tree-vectorizer.c (vect_is_simple_use): Support induction.
14478 (vect_is_simple_reduction): Support reduction with induction as
14479 one of the operands.
14480 (vect_is_simple_iv_evolution): Fix formatting.
14481 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
14482 formatting. Don't mark induction phis for vectorization.
14483 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
14484 * tree-vect-transform.c (get_initial_def_for_induction): New function.
14485 (vect_get_vec_def_for_operand): Support induction.
14486 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
14487 induction case.
14488 (vectorizable_reduction): Support reduction with induction as one of
14489 the operands.
14490 (vectorizable_type_demotion): Use def-type of stmt argument rather
14491 than dummy def-type.
14492
14493 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
14494 flag_tree_scev_cprop.
14495 * common.opt (tree-scev-cprop): New flag.
14496
14497 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
14498 call to vect_get_new_vect_var.
14499
14500 2007-02-06 Ira Rosen <irar@il.ibm.com>
14501
14502 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
14503 vectype is not NULL.
14504 (vect_pattern_recog_1): Likewise.
14505
14506 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14507
14508 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
14509 (fold_negate_expr): Likewise.
14510
14511 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
14512
14513 PR debug/30189
14514 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
14515 even if cv-qualification is the same.
14516
14517 2007-02-05 Geoffrey Keating <geoffk@apple.com>
14518
14519 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
14520 __enable_execute_stack on completion.
14521
14522 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14523
14524 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
14525 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
14526 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
14527 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
14528 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
14529 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
14530 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
14531 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
14532
14533 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14534
14535 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
14536 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
14537 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
14538 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
14539 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
14540 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
14541 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
14542 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
14543 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
14544 umuldi3_highpart_rex64, umulsi3_highpart_insn,
14545 umulsi3_highpart_zext, smuldi3_highpart_rex64,
14546 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
14547 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
14548 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
14549 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
14550 sqrtextenddfxf2_i387): Added amdfam10_decode.
14551
14552 * config/i386/athlon.md (athlon_idirect_amdfam10,
14553 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
14554 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
14555 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
14556 athlon_ivector_store_amdfam10): New define_insn_reservation.
14557 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
14558 amdfam10.
14559
14560 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14561
14562 * config/i386/athlon.md (athlon_call_amdfam10,
14563 athlon_pop_amdfam10, athlon_lea_amdfam10): New
14564 define_insn_reservation.
14565 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
14566 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
14567 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
14568
14569 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14570
14571 * config/i386/athlon.md (athlon_sseld_amdfam10,
14572 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
14573 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
14574
14575 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14576
14577 * config/i386/athlon.md (athlon_sseins_amdfam10): New
14578 define_insn_reservation.
14579 * config/i386/i386.md (sseins): Added sseins to define_attr type
14580 and define_attr unit.
14581 * config/i386/sse.md: Set type attribute to sseins for insertq
14582 and insertqi.
14583
14584 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14585
14586 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
14587 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
14588 ssecomi_load_amdfam10, ssecomi_amdfam10,
14589 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
14590 define_insn_reservation.
14591 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
14592
14593 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14594
14595 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
14596 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
14597 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
14598 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
14599 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
14600 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
14601 define_insn_reservation.
14602
14603 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
14604 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
14605 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
14606 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
14607 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
14608
14609 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14610
14611 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
14612 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
14613 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
14614 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
14615 athlon_ssemul_load_k8): Added amdfam10.
14616
14617 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14618
14619 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
14620 (x86_sse_unaligned_move_optimal): New variable.
14621
14622 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
14623 m_AMDFAM10.
14624 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
14625 for unaligned vector SSE double/single precision loads for AMDFAM10.
14626
14627 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14628
14629 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
14630 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
14631 Define TARGET_CPU_DEFAULT_amdfam10.
14632 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
14633 (processor_type): Add PROCESSOR_AMDFAM10.
14634
14635 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
14636 processor_type in config/i386/i386.h.
14637 Enable imul peepholes for TARGET_AMDFAM10.
14638
14639 * config.gcc: Add support for --with-cpu option for amdfam10.
14640
14641 * config/i386/i386.c (amdfam10_cost): New variable.
14642 (m_AMDFAM10): New macro.
14643 (m_ATHLON_K8_AMDFAM10): New macro.
14644 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
14645 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
14646 x86_promote_QImode, x86_integer_DFmode_moves,
14647 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14648 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
14649 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
14650 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
14651 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
14652 Enable/disable for amdfam10.
14653 (override_options): Add amdfam10_cost to processor_target_table.
14654 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
14655 processor_alias_table.
14656 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
14657 (ix86_adjust_cost): Add code for amdfam10.
14658
14659 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14660
14661 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
14662 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
14663 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
14664 * config/i386/i386.h: Add builtin definition for SSE4A.
14665 * config/i386/i386.md: Add support for ABM instructions
14666 (popcnt and lzcnt).
14667 * config/i386/sse.md: Add support for SSE4A instructions
14668 (movntss, movntsd, extrq, insertq).
14669 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
14670 Add -march=amdfam10 flag.
14671 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
14672 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
14673 and amdfam10.
14674 * doc/extend.texi: Add documentation for SSE4A builtins.
14675
14676 2007-02-05 Bob Wilson <bob.wilson@acm.org>
14677
14678 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
14679
14680 2007-02-05 Richard Guenther <rguenther@suse.de>
14681
14682 * tree-vectorizer.h (vectorizable_function): Add argument type
14683 argument, change return type.
14684 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
14685 * tree-vect-transform.c (vectorizable_function): Handle extra
14686 argument, return vectorized function decl.
14687 (build_vectorized_function_call): Remove.
14688 (vectorizable_call): Handle calls with result and argument types
14689 differing. Handle loop vectorization factor correctly.
14690 * targhooks.c (default_builtin_vectorized_function): Adjust for
14691 extra argument.
14692 * targhooks.h (default_builtin_vectorized_function): Likewise.
14693 * target.h (builtin_vectorized_function): Add argument type
14694 argument.
14695 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
14696 extra argument, allow vectorizing of lrintf.
14697 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
14698 documentation of target hook.
14699
14700 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
14701
14702 PR target/30665
14703 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
14704 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
14705 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
14706
14707 2007-02-05 Roger Sayle <roger@eyesopen.com>
14708
14709 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
14710 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
14711 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
14712 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
14713 before canonicalizing sincos to cexpi.
14714 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
14715
14716 2007-02-05 Roger Sayle <roger@eyesopen.com>
14717
14718 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
14719 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
14720 (alpha_init_builtins): Use alpha_add_builtins to process tables.
14721
14722 2007-02-05 Roger Sayle <roger@eyesopen.com>
14723
14724 * mips-tfile.c (initialize_init_file): Correct endianness test.
14725
14726 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
14727
14728 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
14729 the 'y' constraint.
14730
14731 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14732
14733 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
14734 saves in a PARALLEL before the register assignments.
14735
14736 2007-02-05 Richard Sandiford <richard@codesourcery.com>
14737
14738 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
14739 DWARF_FRAME_RETURN_COLUMN to be a general register.
14740 * dwarf2out.c (init_return_column_size): New function, split from...
14741 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
14742 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
14743 to be nongeneral registers.
14744 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
14745 integer registers.
14746 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
14747 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
14748
14749 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14750
14751 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
14752
14753 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14754
14755 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
14756 (remove_path): Use can_remove_branch_p and remove_branch instead
14757 of loop_delete_branch_edge.
14758 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
14759 (tree_transform_and_unroll_loop): Remove dead branches immediately.
14760 Update profile using scale_dominated_blocks_in_loop.
14761 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
14762 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
14763 (can_remove_branch_p, remove_branch): Declare.
14764 * tree-cfg.c (tree_can_remove_branch_p): New function.
14765 (tree_cfg_hooks): Add tree_can_remove_branch_p.
14766 * cfgrtl.c (rtl_can_remove_branch_p): New function.
14767 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
14768
14769 2007-02-05 Jan Hubicka <jh@suse.cz>
14770
14771 PR middle-end/30696
14772 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
14773 nodes in cgraph, don't remove offline copy of the function.
14774
14775 2007-02-04 Jan Hubicka <jh@suse.cz>
14776
14777 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
14778 vectors might cause maybe_lookup_element_for_expr to be called
14779 on non-sra-candidate.
14780
14781 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14782
14783 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
14784 config/bfin/bfin.md, config/bfin/predicates.md: Follow
14785 spelling conventions.
14786
14787 2007-02-04 Richard Guenther <rguenther@suse.de>
14788
14789 PR middle-end/30636
14790 * fold-const.c (try_move_mult_to_index): Make sure to not
14791 overflow one dimension of a multi-dimensional array access.
14792
14793 2007-02-04 Jan Hubicka <jh@suse.cz>
14794
14795 * passes.c (init_optimization_passes): Reindent.
14796
14797 2007-02-04 Jan Hubicka <jh@suse.cz>
14798 Eric Botcazou <ebotcazou@adacore.com>
14799
14800 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
14801 (execute_fixup_cfg): Break out the abnormal goto code.
14802 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
14803 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
14804 (optimize_inline_calls): Call make_nonlocal_label_edges.
14805
14806 2007-02-04 Jan Hubicka <jh@suse.cz>
14807
14808 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
14809 true when something was changed.
14810 (rename_ssa_copies): When something was changed, do
14811 TODO_remove_unused_locals.
14812 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
14813 add TODO_remove_unused_locals when instruction was removed.
14814
14815 2007-02-04 Jan Hubicka <jh@suse.cz>
14816
14817 * ipa-inline.c (try_inline): Improve debug output; work on already
14818 inline edges too.
14819 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
14820 call try_inline for already inlined edges too when flattening;
14821 inline also functions that make callee growth but overall unit size
14822 reduce.
14823
14824 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14825
14826 * config/m32c/bitops.md, config/m32c/jump.md,
14827 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
14828 config/m32r/m32r.h, config/m32r/m32r.md,
14829 config/m32r/predicates.md, config/m68hc11/larith.asm,
14830 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
14831 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
14832 config/mips/mips-protos.h, config/mips/mips.c,
14833 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
14834 config/mn10300/mn10300.h, config/mn10300/predicates.md,
14835 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
14836 spelling conventions.
14837
14838 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
14839 Follow spelling conventions.
14840
14841 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
14842
14843 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
14844 warn about C++0x compatibility.
14845
14846 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
14847
14848 * config/h8300/h8300.c, config/h8300/h8300.h,
14849 config/h8300/h8300.md: Follow spelling conventions.
14850
14851 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
14852
14853 PR middle-end/30667
14854 * combine.c (try_combine): Do not substitute source operand
14855 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
14856
14857 2007-02-03 Jan Hubicka <jh@suse.cz>
14858
14859 PR gcov-profile/30650
14860 * value-prof.c (stringop_block_profile): Fix handling of size counter;
14861 do not divide by zero for never executed counters.
14862 (tree_find_values_to_profile): Fix counters.
14863 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
14864
14865 2007-02-03 Ian Lance Taylor <iant@google.com>
14866
14867 * lower-subreg.c (simple_move_operand): New static function,
14868 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
14869 operands.
14870 (simple_move): Call simple_move_operand.
14871 (find_decomposable_subregs): Add special handling of MEMs.
14872 (can_decompose_p): Rename from cannot_decompose_p. Reverse
14873 meaning of return value. If we see a hard register, test whether
14874 it can store a word_mode value. Change all callers.
14875
14876 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14877
14878 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
14879 ftrapv insns and expanders.
14880 (subdi3): Change define_expand operand 1 to arith11_operand, and
14881 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
14882 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
14883 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
14884 respectively.
14885
14886 PR middle-end/30174
14887 * varasm.c (notice_global_symbol): Treat global objects as weak when
14888 flag_shlib is true.
14889
14890 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14891
14892 * emit-rtl.c (dconstpi): Delete.
14893 (dconstsqrt2): New.
14894 (init_emit_once): Delete dconstpi and init dconstsqrt2.
14895 * real.h (dconstpi): Delete.
14896 (dconstsqrt2): New.
14897 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
14898 (fold_builtin_hypot): Likewise.
14899
14900 2007-02-03 Tom Tromey <tromey@redhat.com>
14901
14902 PR driver/30246
14903 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
14904 -gcoff3, -gxcoff3, -gvms3 implies -dD.
14905
14906 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
14907
14908 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
14909 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
14910 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
14911 config/rs6000/cell.md, config/rs6000/darwin.h,
14912 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
14913 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
14914 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
14915 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
14916 typos. Follow spelling conventions.
14917 * doc/invoke.texi: Follow spelling conventions.
14918
14919 2007-02-03 Roger Sayle <roger@eyesopen.com>
14920
14921 * simplify-rtx.c (simplify_relational_operation_1): Implement some
14922 canonicalization transformations that attempt to simplify integer
14923 constant comparisons to become comparisons against zero.
14924
14925 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14926
14927 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
14928 fabs(x)*sqrt(2).
14929 * fold-const.c (fold_binary): Fix comment typos. Fold complex
14930 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
14931
14932 2007-02-02 Mike Stump <mrs@apple.com>
14933
14934 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
14935 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
14936 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
14937 generate a branch island.
14938
14939 2007-02-02 Bob Wilson <bob.wilson@acm.org>
14940
14941 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
14942 (xtensa_legitimate_address_p): New.
14943 (xtensa_legitimize_address): New.
14944 (xtensa_output_addr_const_extra): New.
14945 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
14946 (BASE_REG_P): New.
14947 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
14948 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
14949 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
14950 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
14951 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
14952 (xtensa_legitimize_address): New.
14953 (xtensa_output_addr_const_extra): New.
14954
14955 2007-02-02 Steve Ellcey <sje@cup.hp.com>
14956
14957 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
14958
14959 2007-02-02 Ian Lance Taylor <iant@google.com>
14960
14961 * expmed.c (expand_divmod): Add comment.
14962
14963 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
14964
14965 * emit-rtl.c (renumber_insns): Remove.
14966 * flags.h: Remove the extern for flag_renumber_insns.
14967 * rtl.h: Remove the prototype for renumber_insns.
14968 * toplev.c (flag_renumber_insns): Remove.
14969
14970 2007-02-02 Hui-May Chang <hm.chang@apple.com>
14971
14972 Revert for x86 darwin:
14973 2005-06-19 Uros Bizjak <uros@kss-loka.si>
14974
14975 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
14976 code before the following patch under TARGET_MACHO.
14977 (ix86_function_value_regno_p): Likewise.
14978
14979 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14980
14981 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
14982 COMPLEX_EXPR.
14983
14984 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14985
14986 PR target/29682
14987 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
14988 loads to general or fp registers. Add comments.
14989 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
14990
14991 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
14992
14993 * pointer-set.c (insert_aux): Only return insertion slot.
14994 (pointer_set_insert): Adjust.
14995 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
14996 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
14997 pointer_map_traverse): New.
14998 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
14999 pointer_map_create, pointer_map_destroy, pointer_map_insert,
15000 pointer_map_contains, pointer_map_traverse): Declare.
15001
15002 2007-02-02 Jakub Jelinek <jakub@redhat.com>
15003
15004 PR middle-end/30473
15005 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
15006 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
15007
15008 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15009
15010 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
15011
15012 (struct _dep): New type.
15013 (dep_t): New typedef.
15014 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
15015 (DEP_STATUS): New access macro. The macro with the same name was
15016 renamed to DEP_LINK_STATUS.
15017 (dep_init): Declare function
15018
15019 (struct _dep_link): New type.
15020 (dep_link_t): New typedef.
15021 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
15022 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
15023 (DEP_LINK_STATUS): New macro.
15024 (debug_dep_links): New debug function.
15025
15026 (struct _deps_list): New type.
15027 (deps_list_t): New typedef.
15028 (DEPS_LIST_FIRST): New access macro.
15029 (FOR_EACH_DEP_LINK): New cycle macro.
15030 (create_deps_list, free_deps_list, delete_deps_list): Declare
15031 functions.
15032 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
15033 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
15034 (copy_deps_list_change_con): Ditto.
15035
15036 (move_dep_link): Declare function.
15037
15038 (struct _dep_node): New type.
15039 (dep_node_t): New typedef.
15040 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
15041
15042 (struct haifa_insn_data.back_deps): New field to hold backward
15043 dependencies of the insn.
15044 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
15045 to deps_list_t.
15046 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
15047 Change its type to deps_list_t.
15048 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
15049 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
15050 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
15051
15052 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
15053
15054 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
15055
15056 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
15057 and all callers.
15058 (dep_cost): Declare.
15059
15060 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
15061 (ds_to_dk, dk_to_ds): New functions.
15062
15063 (init_dep_1): New static function.
15064 (init_dep): New function.
15065 (copy_dep): New static function.
15066
15067 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
15068 functions.
15069 (detach_dep_link): New static function.
15070 (move_dep_link): New function.
15071
15072 (dep_links_consistent_p, dump_dep_links): New static functions.
15073 (debug_dep_links): New debugging function.
15074
15075 (deps_obstack, dl_obstack, dn_obstack): New static variables.
15076
15077 (alloc_deps_list, init_deps_list): New static functions.
15078 (create_deps_list): New function.
15079 (clear_deps_list): New static function.
15080 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
15081 (deps_list_consistent_p, dump_deps_list): New static functions.
15082 (debug_deps_list): New function.
15083 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
15084 functions.
15085 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
15086
15087 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
15088 use new scheduler dependencies lists.
15089 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
15090 (sched_analyze): Ditto. Initialize dependencies lists.
15091 (add_forw_dep, compute_forward_dependences): Update to use new
15092 scheduler dependencies lists.
15093
15094 (init_dependency_caches): Init deps_obstack.
15095 (free_dependency_caches): Free deps_obstack.
15096
15097 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
15098 new scheduler dependencies lists.
15099 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
15100 (add_back_forw_dep, delete_back_forw_dep): Ditto.
15101
15102 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
15103 Update to use new scheduler dependencies lists.
15104 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
15105 (debug_dependencies): Ditto.
15106 (schedule_region): Update comments.
15107
15108 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
15109 scheduler dependencies lists.
15110 (schedule_ebb): Update comments.
15111
15112 * rtl.def (DEPS_LIST): Remove.
15113
15114 * lists.c (unused_deps_list): Remove.
15115 (free_list): Update assertions.
15116
15117 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
15118 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
15119
15120 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
15121 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
15122
15123 * haifa-sched.c (comments): Update.
15124 (insn_cost1): Remove. Inline the code into insn_cost ().
15125 (insn_cost): Update to use new scheduler dependencies lists. Move
15126 processing of the dependency cost to dep_cost ().
15127 (dep_cost): New function. Use it instead of insn_cost () when
15128 evaluating cost of the dependency. Use compatible interface to
15129 interact with the target.
15130 (priority): Update to use new scheduler dependencies lists.
15131 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
15132 with greater number of insns that depend on the insn.
15133 (schedule_insn): Update to use new scheduler dependencies lists. Add
15134 code to free backward dependencies lists. Inline and optimize code
15135 from resolve_dep () - see PR28071.
15136 (ok_for_early_queue_removal): Update to use new scheduler dependencies
15137 lists. Update call to targetm.sched.is_costly_dependence hook.
15138
15139 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
15140 scheduler dependencies lists.
15141
15142 (resolve_dep): Remove. Move the logic to schedule_insn ().
15143 (init_h_i_d): Initialize dependencies lists.
15144
15145 (process_insn_depend_be_in_spec): Rename to
15146 process_insn_forw_deps_be_in_spec. Update to use new scheduler
15147 dependencies lists.
15148 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
15149 Update to use new scheduler dependencies lists.
15150 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
15151
15152 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
15153 new scheduler dependencies lists.
15154 (build_intra_loop_deps): Ditto.
15155
15156 * target.h (struct _dep): Declare to use in
15157 gcc_target.sched.is_costly_dependence.
15158 (struct gcc_target.sched.adjust_cost): Fix typo.
15159 (struct gcc_target.sched.is_costly_dependence): Change signature to
15160 use single dep_t parameter instead of an equivalent triad.
15161 (struct gcc_target.sched.adjust_cost_2): Remove.
15162
15163 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
15164
15165 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
15166
15167 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
15168 documentation.
15169 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
15170
15171 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
15172 (REG_DEP_TRUE): Document.
15173
15174 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
15175 Change signature to correspond to the targetm.sched.adjust_cost hook.
15176 Update use in TARGET_SCHED_ADJUST_COST_2.
15177 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
15178 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
15179 new scheduler dependencies lists.
15180 (ia64_gen_check): Ditto.
15181
15182 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
15183 scheduler dependencies lists.
15184
15185 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
15186 signature to correspond to the targetm.sched.is_costly_dependence hook.
15187 (is_costly_group): Update to use new scheduler dependencies lists.
15188
15189 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
15190 instead of INSN_COST () macro.
15191
15192 2007-02-01 Ian Lance Taylor <iant@google.com>
15193
15194 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
15195
15196 2007-02-01 Guy Martin <gmsoft@gentoo.org>
15197
15198 * pa.md (tp_load): Correct mfctl instruction syntax.
15199
15200 2007-02-01 Geoffrey Keating <geoffk@apple.com>
15201
15202 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
15203 altivec_padding_size calculation on AIX. Improve comment, add
15204 assert to verify that it's right.
15205
15206 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
15207 64-bit.
15208
15209 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
15210
15211 PR inline-asm/28686
15212 * global.c (global_alloc): Add mising initialization of
15213 ELIMINABLE_REGSET.
15214
15215 2007-02-01 Roger Sayle <roger@eyesopen.com>
15216
15217 * alias.c (init_alias_analysis): Correct whitespace.
15218 * bb-reorder.c (fix_edges_for_rarely_executed_code,
15219 partition_hot_cold_basic_blocks): Likewise.
15220 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
15221 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
15222 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
15223 fold_builtin_snprintf_chk, fold_builtin_printf,
15224 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
15225 do_mpfr_arg3, do_mpfr_sincos): Likewise.
15226 * cfgcleanup.c (cleanup_cfg): Likewise.
15227 * cfgexpand.c (tree_expand_cfg): Likewise.
15228 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
15229 * function.c (get_next_funcdef_no): Likewise.
15230 * gengtype.c (main): Likewise.
15231 * genmodes.c (main): Likewise.
15232 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
15233 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
15234 * ifcvt.c (noce_emit_move_insn): Likewise.
15235 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
15236 Likewise.
15237 * stor-layout.c (get_best_mode): Likewise.
15238 * tree-ssa-loop-niter.c (get_val_for): Likewise.
15239 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
15240 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
15241 perform_var_substitution, solve_graph): Likewise.
15242 * tree-vrp.c (vrp_finalize): Likewise.
15243
15244 2007-02-01 Ian Lance Taylor <iant@google.com>
15245
15246 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
15247 high part of a paradoxical subreg, return a constant zero.
15248
15249 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
15250
15251 * toplev.c (lang_dependent_init): Call init_set_costs.
15252 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
15253
15254 2007-02-01 Richard Guenther <rguenther@suse.de>
15255
15256 PR middle-end/30656
15257 * fold-const.c (fold_negate_expr): Allow negating a
15258 constant if overflow does not change.
15259
15260 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15261
15262 * doc/c-tree.texi (Expression trees): Improve markup.
15263 * doc/tm.texi (Register Classes, Addressing Modes)
15264 (Floating Point): Fix spacing after abbreviations. Fix some
15265 typos.
15266
15267 2007-02-01 Ben Elliston <bje@au.ibm.com>
15268
15269 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
15270 * doc/contrib.texi: Likewise.
15271 * doc/install.texi: Likewise.
15272
15273 2007-01-31 Richard Henderson <rth@redhat.com>
15274 Ian Lance Taylor <iant@google.com>
15275
15276 * lower-subreg.c: New file.
15277 * rtl.def (CONCATN): Define.
15278 * passes.c (init_optimization_passes): Add pass_lower_subreg and
15279 pass_lower_subreg2.
15280 * emit-rtl.c (update_reg_offset): New static function, broken out
15281 of gen_rtx_REG_offset.
15282 (gen_rtx_REG_offset): Call update_reg_offset.
15283 (gen_reg_rtx_offset): New function.
15284 * regclass.c: Revert patch of 2006-03-05, restoring
15285 reg_scan_update.
15286 (clear_reg_info_regno): New function.
15287 * dwarf2out.c (concatn_loc_descriptor): New static function.
15288 (loc_descriptor): Handle CONCATN.
15289 * common.opt (fsplit_wide_types): New option.
15290 * opts.c (decode_options): Set flag_split_wide_types when
15291 optimizing.
15292 * timevar.def (TV_LOWER_SUBREG): Define.
15293 * rtl.h (gen_reg_rtx_offset): Declare.
15294 (reg_scan_update): Declare.
15295 * regs.h (clear_reg_info_regno): Declare.
15296 * tree-pass.h (pass_lower_subreg): Declare.
15297 (pass_lower_subreg2): Declare.
15298 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
15299 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
15300 -fsplit-wide-types.
15301 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
15302 * Makefile.in (OBJS-common): Add lower-subreg.o.
15303 (lower-subreg.o): New target.
15304
15305 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15306
15307 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
15308
15309 2007-01-31 Anatoly Sokolov <aesok@post.ru>
15310
15311 PR target/19087
15312 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
15313
15314 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15315
15316 PR middle-end/29335
15317 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
15318
15319 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
15320
15321 * cfgloop.h: Include vec-prim.h.
15322 (enum li_flags): Remove LI_ONLY_OLD.
15323 (loop_iterator): Changed.
15324 (fel_next, fel_init): Iterate over loop tree.
15325 (FOR_EACH_LOOP_BREAK): New macro.
15326 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
15327 FOR_EACH_LOOP.
15328 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
15329 * modulo-sched.c (sms_schedule): Ditto.
15330 * tree-vectorizer.c (vectorize_loops): Ditto.
15331 * doc/loop.texi: Update information on loop numbering and behavior of
15332 FOR_EACH_LOOP wrto new loops.
15333 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
15334 add_to_evolution_1): Test nestedness of loops instead of comparing
15335 their numbers.
15336 * tree-chrec.c (chrec_fold_plus_poly_poly,
15337 chrec_fold_multiply_poly_poly, chrec_evaluate,
15338 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
15339 reset_evolution_in_loop): Ditto.
15340 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
15341
15342 2007-01-31 Dirk Mueller <dmueller@suse.de>
15343
15344 * c-common.c (warn_about_parentheses): Separate warning about
15345 un-parenthized sequence of comparison operators from the one
15346 which is supposed to warn about x <= y <= z.
15347
15348 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
15349
15350 * optabs.h (enum optab_index): Add new OTI_isinf.
15351 (isinf_optab): Define corresponding macro.
15352 * optabs.c (init_optabs): Initialize isinf_optab.
15353 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
15354 patterns.
15355 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
15356 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
15357 using isinf_optab.
15358 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
15359 expand_builtin_interclass_mathfn.
15360 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
15361 * config/i386/i386.md (UNSPEC_FXAM): New constant.
15362 (fxam<mode>2_i387): New insn pattern.
15363 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
15364 built-in functions as x87 inline asm.
15365
15366 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15367
15368 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
15369
15370 2007-01-30 Eric Christopher <echristo@apple.com>
15371
15372 * config.gcc: Add geode.
15373
15374 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15375
15376 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
15377 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
15378 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
15379 value-prof.c: Fix comment typos.
15380
15381 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15382
15383 PR c++/24745
15384 * doc/invoke.texi (Wpointer-arith): Document warning.
15385
15386 2007-01-30 Janis Johnson <janis187@us.ibm.com>
15387
15388 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
15389 the list of discrepancies from the draft TR.
15390
15391 2007-01-30 Dirk Mueller <dmueller@suse.de>
15392
15393 PR c++/30601
15394 * doc/invoke.texi (-Wreturn-type): Update description to
15395 match new behavior.
15396
15397 2007-01-30 Richard Sandiford <richard@codesourcery.com>
15398
15399 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
15400
15401 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
15402
15403 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
15404 to handle optabs that operate on floating point input argument and
15405 output to integer output.
15406 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
15407 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
15408 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
15409 expand_builtin_interclass_mathfn ().
15410 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
15411 (ilogbsi2): Remove.
15412 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
15413 ilogbl built-in functions as x87 intrinsics.
15414
15415 2007-01-30 Richard Guenther <rguenther@suse.de>
15416
15417 PR middle-end/27657
15418 * dwarf2out.c (reference_to_unused): Query varpool if the
15419 variable was output.
15420
15421 2007-01-30 Richard Guenther <rguenther@suse.de>
15422
15423 PR middle-end/30313
15424 * passes.c (execute_one_pass): Reset in_gimple_form to not
15425 confuse non-unit-at-a-time mode.
15426
15427 2007-01-29 Roger Sayle <roger@eyesopen.com>
15428 Richard Guenther <rguenther@suse.de>
15429
15430 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
15431 avoid undefined behaviour on overflow. Use force_fit_type_double
15432 to construct the constant with the specified TREE_OVERFLOW.
15433
15434 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15435
15436 * config/dfp-bit.c: Add parameterized support for fp exceptions.
15437 * config/dfp-bit.h: Ditto.
15438
15439 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15440
15441 * c-decl.c (pop_scope): Replace warnings with call to
15442 warn_for_unused_label.
15443 * c-common.h (warn_for_unused_label): Declare.
15444 * c-common.c (warn_for_unused_label): Define.
15445
15446 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15447
15448 * tree-optimize.c (update_inlined_to_pointers): Delete unused
15449 function.
15450
15451 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15452
15453 * Makefile.in (USER_H): Remove decfloat.h.
15454 * ginclude/decfloat.h: Delete, moving contents to ...
15455 * ginclude/float.h: Add support for decimal floating point,
15456 guarded by __STDC_WANT_DEC_FP__.
15457
15458 2007-01-29 Mike Stump <mrs@apple.com>
15459
15460 * doc/gccint.texi (Top): Rename Loop Representation to Loop
15461 Analysis and Representation to resolve case insensitive conflict.
15462 * doc/loop.texi (Loop Analysis and Representation): Likewise.
15463
15464 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
15465
15466 * tree.h (struct tree_memory_tag): Add aliases member.
15467 (MTAG_ALIASES): New macro.
15468 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
15469 (add_may_alias): Remove pointer-set. Update for may_aliases being
15470 a bitmap.
15471 (mark_aliases_call_clobbered): Update for may_aliases being a
15472 bitmap.
15473 (compute_tag_properties): Ditto.
15474 (create_partition_for): Ditto.
15475 (compute_memory_partitions): Ditto.
15476 (dump_may_aliases_for): Ditto.
15477 (is_aliased_with): Ditto.
15478 (add_may_alias_for_new_tag): Ditto.
15479 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
15480 (compute_is_aliased): New function.
15481 (compute_may_aliases): Call compute_is_aliased).
15482 (init_alias_info): Initialize alias_bitmap_obstack.
15483 (union_alias_set_into): New function.
15484 (compute_flow_sensitive_aliasing): Use union_aliases_into.
15485 (have_common_aliases_p): Rewrite to take two bitmaps and use
15486 intersection.
15487 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
15488 Update for bitmaps.
15489 (finalize_ref_all_pointers): Update for add_may_alias changes.
15490 (new_type_alias): Ditto.
15491 * tree-flow-inline.h (may_aliases): Return a bitmap.
15492 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
15493 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
15494 may_aliases being a bitmap.
15495 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
15496 may_aliases now returns a bitmap.
15497 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
15498 being a bitmap.
15499 * tree-ssa-operands.c (add_virtual_operand): Update for
15500 may_aliases being a bitmap.
15501
15502 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
15503
15504 PR tree-optimization/30630
15505 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
15506 variable as changed.
15507
15508 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
15509
15510 PR c++/28266
15511 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
15512 expanded only once even if an error occurs.
15513
15514 2007-01-29 Ben Elliston <bje@au.ibm.com>
15515
15516 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
15517 (__gcov_average_profiler): Likewise.
15518 (__gcov_ior_profiler): Likewise.
15519 (__gcov_merge_ior): Likewise.
15520
15521 2007-01-28 Jan Hubicka <jh@suse.cz>
15522
15523 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
15524 * value-prof.c (stringop_block_profile): Likewise.
15525
15526 2007-01-28 Jan Hubicka <jh@suse.cz>
15527
15528 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
15529 Add variant handling histograms; add wrapper.
15530 (clear_storage_via_libcall): Export.
15531 (emit_block_move_hints): Break out from ...; add histograms.
15532 (emit_block_move): ... this one.
15533 (clear_storage_hints): Break out from ...; add histograms.
15534 (clear_storage): ... this one.
15535 (set_storage_via_memset): Handle histogram.
15536 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
15537 (clear_storage_hints, clear_storage_via_libcall): Declare.
15538 (set_storage_via_setmem): Update prototype.
15539 * doc/md.texi (movmem, setmem): Document new arguments.
15540
15541 * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
15542 Add new histograms.
15543 (stringop_block_profile): New global function.
15544 (tree_stringops_values_to_profile): Profile block size and alignment.
15545 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
15546 HIST_TYPE_IOR.
15547 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
15548 (stringop_block_profile): Declare.
15549 * builtins.c: Include value-prof.h.
15550 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
15551 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
15552 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
15553 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
15554 * profile.c (instrument_values): Add new counters.
15555 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
15556 calls.
15557 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
15558 (tree_init_edge_profiler): Build new profilers.
15559 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
15560 (pass_tree_profile): Add dump.
15561 (tree_profile_hooks): Update.
15562 * Makefile.in (LIBGCOV): Add new constants.
15563 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
15564 __gcov_ior_profiler): New.
15565 * i386.md (movmem/setmem expanders): Add new optional arguments.
15566
15567 2007-01-28 David Edelsohn <edelsohn@gnu.org>
15568
15569 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
15570
15571 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15572
15573 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
15574 (tree_unswitch_single_loop): Pass eni_size_weights to
15575 tree_num_loop_insns.
15576 * tree-ssa-loop-manip.c: Include tree-inline.h.
15577 (can_unroll_loop_p): Pass eni_size_weights to
15578 tree_num_loop_insns.
15579 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
15580 Pass eni_size_weights to estimate_num_insns.
15581 * tree.h (init_inline_once): Export.
15582 * toplev.c (backend_init): Call init_inline_once.
15583 * cgraphunit.c (cgraph_process_new_functions,
15584 cgraph_analyze_function): Pass eni_inlining_weights to
15585 estimate_num_insns.
15586 * ipa-inline.c (compute_inline_parameters): Ditto.
15587 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
15588 to estimate_num_insns.
15589 (try_unroll_loop_completely): Pass eni_size_weights to
15590 tree_num_loop_insns.
15591 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
15592 ot estimate_num_insns.
15593 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
15594 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
15595 * tree-inline.c (eni_inlining_weights, eni_size_weights,
15596 eni_time_weights): New variables.
15597 (init_inline_once): Initialize them.
15598 (struct eni_data): Mew.
15599 (estimate_num_insns_1, estimate_num_insns): Use weights.
15600 * tree-inline.h (struct eni_weights_d): New.
15601 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
15602 (estimate_num_insns): Declaration changed.
15603 * cfgloop.h (tree_num_loop_insns): Declaration changed.
15604 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
15605 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
15606
15607 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15608
15609 * tree-data-ref.c (conflict_fn): Assert that the number of affine
15610 relations in the conflict function is valid.
15611
15612 2007-01-27 Ian Lance Taylor <iant@google.com>
15613
15614 * common.opt: Add fstrict-overflow.
15615 * opts.c (decode_options): Set flag_strict_overflow if -O2.
15616 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
15617 (TYPE_OVERFLOW_UNDEFINED): Define.
15618 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
15619 Replace all uses.
15620 * tree.h (TYPE_TRAP_SIGNED): Don't define.
15621 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
15622 (fold_negate_expr): Likewise.
15623 (make_range): Likewise.
15624 (extract_muldiv_1): Likewise.
15625 (maybe_canonicalize_comparison): Likewise.
15626 (fold_comparison): Likewise.
15627 (fold_binary): Likewise.
15628 (tree_expr_nonnegative_p): Likewise.
15629 (tree_expr_nonzero_p): Likewise.
15630 * tree-vrp.c (compare_values): Likewise.
15631 (extract_range_from_binary_expr): Likewise.
15632 (extract_range_from_unary_expr): Likewise.
15633 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
15634 Likewise.
15635 (nowrap_type_p): Likewise.
15636 * tree-scalar-evolution.c (simple_iv): Likewise.
15637 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
15638 (build_range_check): Likewise.
15639 (extract_muldiv_1): Likewise.
15640 (fold_comparison): Likewise.
15641 * tree-vrp.c (vrp_int_const_binop): Likewise.
15642 (extract_range_from_unary_expr): Likewise.
15643 * convert.c (convert_to_integer): Likewise.
15644 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
15645 (fold_comparison): Likewise.
15646 (fold_binary): Likewise.
15647 * optabs.c (optab_for_tree_code): Likewise.
15648 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
15649 * simplify-rtx.c (simplify_const_relational_operation): Check
15650 flag_strict_overflow and flag_trapv.
15651 (simplify_const_relational_operation): Likewise.
15652 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
15653 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
15654 -fstrict-overflow.
15655
15656 2007-01-27 Roger Sayle <roger@eyesopen.com>
15657
15658 * tree.c (tree_fold_gcd): Delete.
15659 * tree.h (tree_fold_gcd): Remove prototype.
15660 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
15661 test whether one constant integer is a multiple of another. Instead
15662 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
15663 * fold-const.c (multiple_of_p): We've determined both TOP and
15664 BOTTOM are integer constants so we can call int_const_binop directly
15665 instead of the more generic const_binop.
15666
15667 2007-01-27 Roger Sayle <roger@eyesopen.com>
15668
15669 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
15670 1*X check that the constant hasn't overflowed, to preserve the
15671 TREE_OVERFLOW bit.
15672 (round_up): Provide an efficient implementation when rouding-up an
15673 INTEGER_CST to a power-of-two.
15674
15675 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15676
15677 * doc/sourcebuild.texi: Add comma for clarity.
15678 * doc/extend.texi: Fix some typos.
15679 * doc/passes.texi: Likewise.
15680 * doc/cppinternals.texi: Likewise.
15681 * doc/c-tree.texi: Likewise.
15682 * doc/tree-ssa.texi: Likewise.
15683 * doc/install.texi: Likewise.
15684
15685 2007-01-27 Jan Hubicka <jh@suse.cz>
15686
15687 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
15688 (pass_sra): Do not require alias information.
15689 * passes.c (init_optimization_passes): Add SRA
15690
15691 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
15692
15693 * tracer.c (rest_of_handle_tracer): We already cleaned
15694 up the CFG in tracer() so don't do it here again.
15695 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
15696 cleanup_cfg here, either. And don't call renumber_insns.
15697
15698 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
15699 and BB_HEAD are in the insn stream here. Instead make sure
15700 that BB_INSN is valid on all insns. Also, do check here that
15701 there are no pending branch predictions...
15702 (rtl_verify_flow_info): ...instead of doing it here. Checks
15703 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
15704 here.
15705
15706 2007-01-26 Roger Sayle <roger@eyesopen.com>
15707
15708 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
15709 function to simplify/factorize operand order canonicalization.
15710 (ix86_fixup_binary_operands): Reorganize using the above function.
15711 (ix86_binary_operator_ok): Likewise.
15712
15713 2007-01-27 Jakub Jelinek <jakub@redhat.com>
15714
15715 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
15716 file scope from optimize_attrs.
15717 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
15718 up search.
15719 (optimize_attrs): Clear insn_code_values after freeing it.
15720
15721 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15722
15723 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
15724 a parts.base assignment.
15725
15726 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
15727
15728 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
15729 (compute_subscript_distance, initialize_data_dependence_relation,
15730 finalize_ddr_dependent, analyze_ziv_subscript,
15731 analyze_siv_subscript_cst_affine,
15732 compute_overlap_steps_for_affine_univar,
15733 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
15734 analyze_siv_subscript, analyze_miv_subscript,
15735 analyze_overlapping_iterations, subscript_dependence_tester_1,
15736 compute_self_dependence, free_dependence_relation): Work
15737 with affine_fn instead of chrecs.
15738 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
15739 common_affine_function, affine_function_base,
15740 affine_function_constant_p, affine_fn_op, affine_fn_plus,
15741 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
15742 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
15743 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
15744 (all_chrecs_equal_p): Removed.
15745 * tree-data-ref.h (affine_fn, conflict_function): New types.
15746 (struct subscript): Change type of conflicting_iterations_in_a
15747 and conflicting_iterations_in_b.
15748
15749 2007-01-26 Steve Ellcey <sje@cup.hp.com>
15750
15751 PR other/30182
15752 * config/pa/pa.h (TARGET_HPUX_11): New.
15753 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
15754 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
15755
15756 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
15757 Richard Guenther <rguenther@suse.de>
15758
15759 * tree-ssa-structalias.c (solve_graph): Handle case
15760 we merged the variable to another.
15761
15762 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15763
15764 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
15765 functions.
15766
15767 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
15768 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
15769
15770 2007-01-25 DJ Delorie <dj@redhat.com>
15771
15772 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
15773 allow changes to modes which don't fit in those registers.
15774
15775 * reload1.c (choose_reload_regs): Check for invalid subregs before
15776 computing their locations, not after.
15777
15778 2007-01-25 Geoffrey Keating <geoffk@apple.com>
15779
15780 PR 25127
15781 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
15782 save Altivec registers in an eh_return function.
15783 (compute_vrsave_mask): Likewise.
15784 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
15785 for saving Altivec registers.
15786 (rs6000_emit_prologue): Don't allocate stack twice in
15787 eh_return function. Correct expected value of altivec_save_offset
15788 when using save_world. Describe save of R0 to stack when using
15789 save_world. Describe stack pointer adjustment when using
15790 save_world. Remove duplicated eh_return parameter register saving.
15791 Update sp_offset variable after save_world.
15792 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
15793 darwin-world.asm.
15794 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
15795 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
15796 implies Altivec.
15797
15798 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15799
15800 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
15801
15802 2007-01-25 Steve Ellcey <sje@cup.hp.com>
15803
15804 PR other/30182
15805 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
15806 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
15807
15808 2007-01-25 Richard Guenther <rguenther@suse.de>
15809
15810 * doc/invoke.texi (-Wcoverage-mismatch): Document.
15811 * common.opt (-Wcoverage-mismatch): New warning option.
15812 * coverage.c (get_coverage_counts): Ignore coverage mismatch
15813 if -Wcoverage-mismatch is given.
15814
15815 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
15816
15817 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
15818 (ipcp_driver): Change to static definition.
15819 Add dumping of the ifunctions.
15820 (constant_val_insert): Remove unused parameter. Support for SSA.
15821 (ipcp_propagate_const): Support for SSA.
15822 (ipcp_profile_bb_print): Print only analyzed nodes.
15823 (ipcp_replace_map_create): Remove support for Fortran constant
15824 for now.
15825 * ipa-prop.c (ipa_method_modify_stmt,
15826 ipa_callsite_compute_param): Support for SSA.
15827 * ipa-prop.h (ipcp_driver): Remove declaration.
15828 (IS_VALID_TREE_MAP_INDEX): Add define.
15829
15830 2007-01-24 Geoffrey Keating <geoffk@apple.com>
15831
15832 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
15833
15834 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15835
15836 PR middle-end/30447
15837 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
15838 constant argument to cabs and do it without checking for
15839 -funsafe-math-optimizations.
15840
15841 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
15842
15843 * c-common.h (RID_FIRST_CXX0X): New.
15844 (RID_LAST_CXX0X): New.
15845 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
15846 by -Wall.
15847 * c.opt (Wc++0x-compat): New.
15848 * doc/invoke.texi (-Wc++0x-compat): Document.
15849
15850 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15851
15852 * builtins.c (fold_builtin_carg): New.
15853 (fold_builtin_1): Use it.
15854
15855 2007-01-24 Jan Hubicka <jh@suse.cz>
15856
15857 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
15858
15859 * ipa-inline.c (initial_insns, max_insns): Delete.
15860 (compute_max_insns): New function.
15861 (cgraph_decide_inlining_of_small_function): Use it; take minimal
15862 amount of insns as base for code growth.
15863 (cgraph_decide_inlining): Make initial_insns local; do not compute
15864 max_insns.
15865 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
15866 * doc/invoke.texi (inline-unit-growth): Update docs.
15867
15868 2007-01-24 Jakub Jelinek <jakub@redhat.com>
15869
15870 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
15871 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
15872 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
15873 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
15874 for CPUs that have PTA_CX16 set.
15875
15876 PR middle-end/27416
15877 * gimplify.c (omp_check_private): New function.
15878 (gimplify_scan_omp_clauses): Use it for
15879 firstprivate/lastprivate/reduction.
15880
15881 PR middle-end/30494
15882 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
15883 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
15884
15885 PR middle-end/30421
15886 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
15887 If lower_lastprivate_clauses emits some statements, append them
15888 to dlist rather than body_p and to body_p append an initializer.
15889 (lower_omp_for): Adjust caller.
15890
15891 2007-01-24 Steve Ellcey <sje@cup.hp.com>
15892
15893 * target.h (globalize_decl_name): New.
15894 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15895 * output.h (default_globalize_decl_name): New.
15896 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
15897 globalize_label.
15898 (globalize_decl): Ditto.
15899 (default_globalize_decl_name): New.
15900 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
15901 (ia64_handle_version_id_attribute): New.
15902 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
15903 (ia64_asm_output_external): Use globalize_decl_name instead
15904 of globalize_label.
15905 * doc/extend.texi (version_id): New pragma.
15906 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
15907
15908 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15909
15910 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
15911 _uleb128_t and _Unwind_SWord with _sleb128_t.
15912 * unwind-dw2.c (extract_cie_info, execute_stack_op,
15913 execute_cfa_program, uw_frame_state_for, uw_update_context_1):
15914 Likewise.
15915 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
15916 * unwind-pe.h (read_uleb128, read_sleb128,
15917 read_encoded_value_with_base): Likewise.
15918 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
15919
15920 2007-01-24 Richard Guenther <rguenther@suse.de>
15921
15922 * builtins.c (expand_builtin_cexpi): Get the fndecl
15923 for cexp in the correct way.
15924
15925 2007-01-24 Jan Hubicka <jh@suse.cz>
15926
15927 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
15928 of calls.
15929
15930 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
15931
15932 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
15933 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
15934 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
15935 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
15936 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
15937 __SIZEOF_PTRDIFF_T__.
15938 * doc/cpp.texi: Documentation for the new builtin macros added.
15939
15940 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
15941
15942 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
15943 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
15944 instead of operands[2] to avoid access past the end of array.
15945
15946 2007-01-24 Richard Sandiford <richard@codesourcery.com>
15947
15948 * reload1.c (emit_reload_insns): Pass the reload register
15949 for a non-spill output reload through forget_old_reloads_1.
15950
15951 2007-01-23 Joseph Myers <joseph@codesourcery.com>
15952
15953 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
15954 _SOFT_DOUBLE if doubles use software floating-point.
15955 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
15956 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15957 * config/rs6000/darwin-ldouble.c: Also compile functions for
15958 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
15959 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
15960 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
15961 commented-out long double override.
15962 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
15963 * config/rs6000/eabispe.h: Likewise.
15964 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
15965 long double for non-SPE.
15966 (rs6000_handle_option): Likewise.
15967 (invalid_e500_subreg): Disallow more subregs involding DImode,
15968 DFmode, TImode or TFmode.
15969 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
15970 E500 double.
15971 (legitimate_lo_sum_address_p): Also check for TFmode for E500
15972 double.
15973 (rs6000_legitimize_address): Also handle TFmode for E500 double.
15974 (rs6000_legitimize_reload_address): Also handle TFmode for E500
15975 double.
15976 (rs6000_legitimate_address): Also check for TFmode for E500
15977 double.
15978 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
15979 (spe_build_register_parallel): Handle TFmode and TCmode.
15980 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
15981 double.
15982 (function_arg): Handle TFmode and TCmode for E500 double.
15983 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
15984 in general.
15985 (print_operand): Handle TFmode and TImode for %y.
15986 (rs6000_generate_compare): Handle TFmode comparisons for E500
15987 double.
15988 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
15989 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
15990 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
15991 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
15992 TFmode for E500 double.
15993 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
15994 (floatsidf2): Enable for E500 double.
15995 (movtf_softfloat): Use rs6000_nonimmediate_operand.
15996 (extenddftf2): Change to extenddftf2_fprs.
15997 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
15998 depending on TARGET_E500_DOUBLE.
15999 (extendsftf2): Enable for E500 double.
16000 (trunctfdf2): Enable for E500 double.
16001 (trunctfsf2): Change to trunctfsf2_fprs.
16002 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
16003 depending on TARGET_E500_DOUBLE.
16004 (floatsitf2): Enable for E500 double.
16005 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
16006 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
16007 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
16008 (negtf2): Change to negtf2_internal.
16009 (negtf2): New expander.
16010 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
16011 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
16012 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
16013 (movdi_internal32): Use rs6000_nonimmediate_operand.
16014 (unnamed splitter): Likewise.
16015 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
16016 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
16017 (SPE64TF, DITI): New mode macros.
16018 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
16019 modes.
16020 (frob_tf_ti): New.
16021 (frob_<mode>_di_2): New.
16022 (frob_tf_di_8_2): New.
16023 (frob_di_df): Change to frob_di_<mode>; allow more modes.
16024 (frob_ti_tf): New.
16025 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
16026 more modes.
16027 (frob_ti_<mode>_8_2): New.
16028 (frob_ti_tf_2): New.
16029 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
16030 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
16031 TFmode.
16032 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
16033 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
16034 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
16035 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
16036 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
16037 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
16038 tsttflt_gp): New.
16039
16040 2007-01-23 Ian Lance Taylor <iant@google.com>
16041
16042 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
16043 insn-*.o first.
16044 (OBJS-archive): Reformat, alphabetize.
16045 (OBJS): Change out_object_file to OBJS-md.
16046
16047 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
16048
16049 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
16050 JUMP_P and CALL_P predicates where applicable.
16051 * config/i386/i386.c: Ditto.
16052 * config/i386/i386.md: Ditto.
16053 * config/i386/mmx.md: Ditto.
16054 * config/i386/predicates.md: Ditto.
16055
16056 2007-01-22 Andreas Schwab <schwab@suse.de>
16057
16058 * config/m68k/m68k.h: Fix comment.
16059
16060 2007-01-22 Jan Hubicka <jh@suse.cz>
16061
16062 * passes.c (init_optimization_passes): Do not rerun
16063 pass_early_warn_uninitialized.
16064
16065 2007-01-22 Richard Guenther <rguenther@suse.de>
16066
16067 PR tree-optimization/30038
16068 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
16069 function.
16070 (execute_cse_sincos_1): Likewise.
16071 (execute_cse_sincos): Likewise.
16072 (gate_cse_sincos): Likewise.
16073 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
16074 the cexpi() canonicalization of sincos().
16075 * tree-pass.h (pass_cse_sincos): Declare.
16076 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
16077
16078 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
16079
16080 PR rtl-optimization/29329
16081 * combine.c (replaced_rhs_insn): Rename to i2mod.
16082 (replaced_rhs_value): Rename to i2mod_new_rhs.
16083 (i2mod_old_rhs): New global variable.
16084 (combine_instructions): Adjust for above change. Save a copy of
16085 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
16086 note are substituted in the second instruction.
16087 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
16088 ditch the note if it pertains to the second eliminated register
16089 and this register is mentioned in i2mod_old_rhs.
16090
16091 Revert:
16092 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
16093
16094 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
16095 the insn to which the note was originally attached.
16096
16097 2007-01-21 Jan Hubicka <jh@suse.cz>
16098
16099 * ipa-inline.c (inlining_mode): Comment, move up.
16100 (cgraph_decide_inlining_incrementally): Do not perform inlining
16101 itself; fix handling of flattening of self recursive functions.
16102 (cgraph_find_cycles): Remove.
16103 (cgraph_flatten_node): Remove.
16104 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
16105 (try_inline): New function.
16106 (cgraph_early_inlining): Update call of
16107 cgraph_decide_inlining_incrementally. Apply inlining here.
16108 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
16109
16110 2007-01-21 Dirk Mueller <dmueller@suse.de>
16111
16112 PR bootstrap/30511
16113 * tree-vrp.c (check_array_bounds): do not warn
16114 about ADDR_EXPR's of ARRAY_REF's which are immediately
16115 used in binary expressions.
16116
16117 2007-01-21 Ira Rosen <irar@il.ibm.com>
16118
16119 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
16120 read_write_dep and macros for its access.
16121 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
16122 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
16123 argument, call vect_check_interleaving for every independent pair of
16124 data-refs. Mark loads that access the same memory location as a store
16125 in the loop.
16126 (vect_check_dependences): Remove.
16127 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
16128 call, fix the call to vect_analyze_data_ref_dependence.
16129 (vect_analyze_data_ref_access): For statements that access the same
16130 data-ref, check that they are not stores; for loads, check that there
16131 is no store that access the same location.
16132
16133 2007-01-20 Roger Sayle <roger@eyesopen.com>
16134 Joseph Myers <joseph@codesourcery.com>
16135
16136 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
16137 (-fdump-rtl-stack): Likewise.
16138 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
16139 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
16140 (-mpt-fixed): Use @minus{} for minus sign.
16141 (Using Precompiled Headers): Fix under/overfull hbox.
16142
16143 2007-01-20 Jan Hubicka <jh@suse.cz>
16144
16145 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
16146 place within annotation.
16147
16148 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16149
16150 * pa.c (output_move_double): Change array size of xoperands to 4.
16151
16152 2007-01-20 Jan Hubicka <jh@suse.cz>
16153
16154 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
16155 as temporary.
16156
16157 2007-01-19 Ian Lance Taylor <iant@google.com>
16158
16159 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
16160 constant to unsigned HOST_WIDE_INT before negating.
16161
16162 2007-01-19 Ian Lance Taylor <iant@google.com>
16163
16164 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
16165 to unsigned.
16166 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
16167 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
16168 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
16169 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
16170 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
16171 (realloc_vdef, realloc_vuse): Change second parameter to
16172 unsigned.
16173 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
16174 fields to unsigned.
16175 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
16176 unsigned. Change x and lim locals to unsigned.
16177 (realloc_vdef, realloc_vuse): Change num_elem parameter to
16178 unsigned.
16179 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
16180 (copy_virtual_operands): Change i and n locals to unsigned.
16181
16182 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16183
16184 PR middle-end/29335
16185 * builtins.c (fold_builtin_1): Handle builtin fdim.
16186
16187 2007-01-20 Jan Hubicka <jh@suse.cz>
16188
16189 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
16190 * tree-ssa-structalias.c (compute_points_to_sets): Do call
16191 init_alias_heapvars.
16192 (init_alias_heapvars): Initialize only when not already initialized.
16193 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
16194
16195 2007-01-19 Roger Sayle <roger@eyesopen.com>
16196
16197 * common.opt (fsigned-zeros): New command line option.
16198 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
16199 of flag_unsafe_math_optimizations.
16200 * opts.c (set_fast_math_flags): The -ffast-math command line option
16201 implies -fno-signed-zeros.
16202 (fast_math_flags_set_p): Likewise.
16203
16204 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
16205 the documentation of -ffast-math appropriately. Wrap long lines.
16206
16207 2007-01-19 Steve Ellcey <sje@cup.hp.com>
16208
16209 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
16210 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
16211
16212 2007-01-19 Tomas Bily <tbily@suse.cz>
16213
16214 * cgraphunit.c (cgraph_finalize_function): Updating of pid
16215 * tree-profile.c:
16216 (tree_init_ic_make_global_vars): New function
16217 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
16218 (tree_gen_ic_profiler): New function
16219 (tree_gen_ic_func_profiler): New function
16220 (tree_profiling): Added calling of tree_gen_ic_func_profiler
16221 (tree_profile_hooks): Added hook for indirec/virtual calls
16222 * value-prof.c (tree_find_values_to_profile): New case for
16223 indirect calls
16224 (tree_values_to_profile): Call for determining indirect/virtual
16225 counters
16226 (tree_indirect_call_to_profile): New function
16227 (tree_ic_transform): New function
16228 (tree_ic): New function
16229 (find_func_by_pid): New function
16230 (init_pid_map): New function
16231 (tree_value_profile_transformations): Added check for
16232 indirect/virtual call transformation
16233 * value-prof.h (enum hist_type): New counter type for
16234 indirect/virtual calls
16235 (profile_hooks): Added new hook for profiling indirect/virtual
16236 calls
16237 * profile.c (instrument_values): New case for indirect/virtual
16238 call added
16239 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
16240 (GCOV_COUNTER_V_INDIR): New counter type
16241 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
16242 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
16243 call added
16244 * cgraph.c: Definition of cgraph_max_pid
16245 (cgraph_create_node): Default init of pid attribute
16246 * cgraph.h: Declaration of cgraph_max_pid
16247 (struct cgraph_node): Added pid attribute
16248 * libgcov.c (__gcov_indirect_call_profiler): New function
16249 (__gcov_one_value_profiler_body): New function
16250 (__gcov_one_value_profiler): Body was moved to
16251 __gcov_one_value_profiler_body and calls it
16252
16253 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
16254
16255 * doc/gty.texi (Options): Document the mark_hook option to GTY.
16256 * gengtype.c (write_types_data, write_func_for_structure,
16257 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
16258 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
16259 (walk_type, write_func_for_structure): Generate the mark_hook if
16260 needed.
16261
16262 2007-01-19 Jan Hubicka <jh@suse.cz>
16263
16264 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
16265 'early' argument take inlining mode argument specifying whether to
16266 inline for size/speeed or all functions; add support for flattening;
16267 improve dumpting.
16268 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
16269
16270 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
16271
16272 PR c++/17947
16273 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
16274 the name of the declared identifier.
16275
16276 2007-01-19 Dirk Mueller <dmueller@suse.de>
16277
16278 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
16279 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
16280 duplicate evaluation.
16281
16282 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
16283
16284 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
16285 Macroize expander using X87MODEF12 mode macro. Extend operand 1
16286 to XFMode, use acosxf2 and truncate result to requested mode.
16287 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16288 (asin<mode>2): Similarly, with asin expanders.
16289 (*fscalexf4_i387): Rename from *fscalexf4.
16290 (expNcorexf3): New expander.
16291 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
16292 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
16293 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
16294 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
16295 patterns for SSE math.
16296 (exp10<mode>2): Similarly, with exp10 expanders.
16297 (exp2<mode>2): Similarly, with exp2 expanders.
16298 (expm1<mode>2): Similarly, with expm1 expanders.
16299 (ldexp<mode>3): Similarly, with ldexp expanders.
16300 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
16301 Use gen_truncxf<mode>2_i387_noop to truncate result.
16302
16303 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16304
16305 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
16306 for ColdFire targets.
16307
16308 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
16309 Richard Sandiford <richard@codesourcery.com>
16310
16311 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
16312 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
16313 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
16314 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
16315 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
16316 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
16317
16318 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16319
16320 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
16321 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
16322 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
16323 (*adddi_dilshr32_cf): New pattern.
16324 (adddi3, subdi3): Remove first alternatives.
16325
16326 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16327
16328 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
16329 implemented using move.l, do not use its cc result for floating-point
16330 comparisons.
16331
16332 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16333
16334 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
16335 from accepting 's' constraints if flag_pic.
16336
16337 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16338
16339 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
16340 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
16341 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
16342 condition from TARGET_68881 to TARGET_HARD_FLOAT.
16343
16344 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
16345
16346 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
16347 ColdFire alternatives.
16348 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
16349 * config/m68k/m68k.md (clzsi2): Define for ColdFire
16350 architectures that support ff1 instruction.
16351
16352 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16353 Julian Brown <julian@codesourcery.com>
16354
16355 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
16356 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
16357 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
16358 Add commentary.
16359
16360 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16361
16362 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
16363 and return a bool.
16364 (output_move_const_into_data_reg, output_move_simode_const): Delete.
16365 * config/m68k/m68k.c (const_method, const_int_cost): Take a
16366 HOST_WIDE_INT instead of an rtx.
16367 (m68k_rtx_costs): Update call accordingly.
16368 (output_move_const_into_data_reg): Likewise. Fix formatting.
16369 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
16370 Return a bool.
16371 (output_move_simode_const): Update calls after above changes.
16372 Rework to use automatic variables and predicates like MEM_P.
16373 * config/m68k/m68k.md (pushexthisi_const): Update call to
16374 valid_mov3q_const.
16375
16376 2007-01-19 Dirk Mueller <dmueller@suse.de>
16377
16378 * tree-ssa-alias.c (perform_var_substitution): Fix typo
16379 in dump_flags test.
16380
16381 2007-01-19 Richard Guenther <rguenther@suse.de>
16382
16383 * builtins.c (expand_builtin_cexpi): Fall back to expanding
16384 via cexp in case sincos is not available.
16385
16386 2007-01-19 Richard Guenther <rguenther@suse.de>
16387
16388 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
16389 * defaults.h (TARGET_HAS_SINCOS): Default to off.
16390 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
16391 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
16392 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
16393 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
16394 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
16395 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
16396
16397 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
16398
16399 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
16400 New insn patterns.
16401 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
16402 (atan2xf3): Directly generate RTL pattern.
16403 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
16404 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16405 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16406 disable patterns for SSE math.
16407 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
16408 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16409 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16410 disable patterns for SSE math.
16411
16412 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
16413
16414 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
16415
16416 2007-01-18 Roger Sayle <roger@eyesopen.com>
16417
16418 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
16419 VIEW_CONVERT_EXPR to the same type as it's operand.
16420
16421 2007-01-18 David Edelsohn <edelsohn@gnu.org>
16422
16423 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
16424 configured for long double 128.
16425
16426 2007-01-18 Mike Stump <mrs@apple.com>
16427
16428 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
16429 error.
16430
16431 2007-01-18 Michael Meissner <michael.meissner@amd.com>
16432
16433 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
16434 type correct.
16435
16436 2007-01-18 Jan Hubicka <jh@suse.cz>
16437
16438 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
16439 greater than NUM_VOP_FREE_BUCKETS.
16440
16441 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
16442
16443 * tree-ssa-structalias.c: Update comments.
16444 (ptabitmap_obstack): Removed.
16445 (pta_obstack): New.
16446 (oldpta_obstack): Ditto.
16447 (stats): Add a few members.
16448 (struct variable_info): Remove node, complex, address_taken, and
16449 indirect_target members. Add oldsolution member.
16450 (new_var_info): Do not initialize removed members.
16451 (constraint_expr_type): Remove INCLUDES.
16452 (constraint_graph): Add size, implicit_preds, rep,
16453 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
16454 (FIRST_REF_NODE): New macro.
16455 (LAST_REF_NODE): Ditto.
16456 (FIRST_ADDR_NODE): Ditto.
16457 (find): New function.
16458 (unite): Ditto.
16459 (dump_constraint): Do not handle INCLUDES.
16460 (insert_into_complex): Do not insert duplicate constraints.
16461 (condense_varmap_nodes): Renamed and rewritten into ...
16462 (merge_node_constraints): This. Also fix bug in handling of
16463 offseted copy constraints.
16464 (clear_edges_for_node): No longer need to deal with preds at all,
16465 or removing associated preds/succs.
16466 (merge_graph_nodes): Deal with indirect_cycles.
16467 Don't deal with predecessors.
16468 (add_implicit_graph_edge): New function.
16469 (add_pred_graph_edge): Ditto.
16470 (add_graph_edge): Don't deal with predecessors.
16471 (build_constraint_graph): Removed.
16472 (build_pred_graph): New function.
16473 (build_succ_graph): Ditto.
16474 (struct scc_info): Removed in_component. Added roots, dfs, and
16475 node_mapping. Remove visited_index, unification_queue.
16476 (scc_visit): Deal with union-find we do now.
16477 Deal with cycles with REF nodes.
16478 (collapse_nodes): Renamed and rewritten to ...
16479 (unify_nodes): This.
16480 (process_unification_queue): Removed.
16481 (topo_visit): Cleanup
16482 (do_da_constraint): Use find.
16483 (do_sd_constraint): Ditto.
16484 (do_ds_constraint): Ditto.
16485 (do_complex_constraint): Ditto.
16486 (init_scc_info): Update for removed and added members.
16487 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
16488 (find_indirect_cycles): This.
16489 (equivalence_class): New variable.
16490 (label_visit): New function.
16491 (perform_variable_substitution): Rewritten.
16492 (free_var_substitution_info): New function.
16493 (find_equivalent_node): Ditto.
16494 (move_complex_constraints): Ditto.
16495 (eliminate_indirect_cycles): Ditto.
16496 (solve_graph): Only propagate changed bits.
16497 Use indirect cycle elimination.
16498 Use find.
16499 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
16500 (tree_id_eq): Renamed to ...
16501 (tree_vi_eq): This. Update for member change
16502 (insert_id_for_tree): Renamed and rewritten to ...
16503 (insert_vi_for_tree): This.
16504 (lookup_id_for_tree): Renamed and rewritten to ...
16505 (lookup_vi_for_tree): This.
16506 (get_id_for_tree): Renamed and rewritten to ...
16507 (get_vi_for_tree): Ditto.
16508 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
16509 (process_constraint): Don't handle INCLUDES.
16510 Remove special ADDRESSOF case.
16511 (find_func_aliases): Rewrite to use vi functions instead of id
16512 ones.
16513 (create_function_info_for): Ditto.
16514 (create_variable_info_for): Ditto.
16515 (intra_create_variable_infos): Ditto.
16516 (merge_smts_into): Ditto.
16517 (find_what_p_points_to): Ditto.
16518 (init_base_vars): Ditto.
16519 (init_alias_vars): Ditto.
16520 (remove_preds_and_fake_succs): New function.
16521 (dump_sa_points_to_info): Dump new stats.
16522 (dump_solution_for_var): Use find.
16523 (set_used_smts): Fix formatting.
16524 (compute_points_to_sets): Updated for new functions.
16525 (ipa_pta_execute): Ditto.
16526
16527 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16528 Richard Sandiford <richard@codesourcery.com>
16529
16530 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
16531 parallels.
16532 * calls.c (expand_call): If the return value is a PARALLEL,
16533 extract its first member.
16534 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
16535 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16536 use FUNCTION_EXTRA_EPILOGUE.
16537 (m68k_function_value): Return a PARALLEL if the return value
16538 is of a pointer type.
16539 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
16540 (FUNCTION_EXTRA_EPILOGUE): Remove.
16541 * config/m68k/m68k.md (D0_REG): New constant.
16542
16543 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16544
16545 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16546 output a NOP for empty epilogues.
16547
16548 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16549
16550 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
16551 before function. Extend register save check to include all
16552 registers, not just integer ones.
16553
16554 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16555
16556 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
16557 (m68k_use_return_insn): ...this.
16558 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
16559 * config/m68k/m68k.c (use_return_insn): Rename to...
16560 (m68k_use_return_insn): ...this.
16561 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
16562 of USE_RETURN_INSN.
16563
16564 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16565
16566 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
16567 nearest even, fix denormal rounding overflow.
16568
16569 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16570
16571 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
16572 f%$smove and f%$move.
16573 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
16574 (extendsfdf2_cf): Use fdmove instead of f%&move.
16575 (truncdfsf2_cf): Use fsmove instead of f%$smove.
16576 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
16577
16578 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16579
16580 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
16581 GPR<-GPR moves.
16582
16583 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16584
16585 * real.h (real_format): Add a canonical_nan_lsbs_set field.
16586 (coldfire_single_format): Declare.
16587 (coldfire_double_format): Likewise.
16588 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
16589 of qnan_msb_set to determine the lower bits of a canonical
16590 NaN significand.
16591 (encode_ieee_double): Likewise.
16592 (encode_ieee_quad): Likewise.
16593 (ieee_single_format): Initialize canonical_nan_lsbs_set.
16594 (mips_single_format): Likewise.
16595 (ieee_double_format): Likewise.
16596 (mips_double_format): Likewise.
16597 (ieee_extended_motorola_format): Likewise.
16598 (ieee_extended_intel_96_format): Likewise.
16599 (ieee_extended_intel_128_format): Likewise.
16600 (ieee_extended_intel_96_round_53_format): Likewise.
16601 (ibm_extended_format): Likewise.
16602 (mips_extended_format): Likewise.
16603 (ieee_quad_format): Likewise.
16604 (mips_quad_format): Likewise.
16605 (vax_f_format): Likewise.
16606 (vax_d_format): Likewise.
16607 (vax_g_format): Likewise.
16608 (i370_single_format): Likewise.
16609 (i370_double_format): Likewise.
16610 (decimal_single_format): Likewise.
16611 (decimal_double_format): Likewise.
16612 (decimal_quad_format): Likewise.
16613 (c4x_single_format): Likewise.
16614 (c4x_extended_format): Likewise.
16615 (real_internal_format): Likewise.
16616 (coldfire_single_format): New real_format.
16617 (coldfire_double_format): Likewise.
16618 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
16619 canonical_nan_lsbs_set.
16620 (pdp11_d_format): Likewise.
16621 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
16622 if TARGET_COLDFIRE_CPU.
16623
16624 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16625
16626 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
16627 (output_call, m68k_legitimize_call_address): Declare.
16628 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
16629 parenthesees. Add support for a 'W' constraint.
16630 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
16631 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
16632 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
16633 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
16634 variables.
16635 (override_options): Initialize them. Do not set flag_no_function_cse
16636 for TARGET_ID_SHARED_LIBRARY.
16637 (m68k_output_pic_call): Delete.
16638 (m68k_legitimize_call_address): New function.
16639 (print_operand): Remove the %o prefix. Handle the %p prefix.
16640 (output_call): New function.
16641 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
16642 target address from the GOT if symbolic jumps are not allowed.
16643 * config/m68k/m68k.md (call, general_operand): Do not set
16644 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
16645 Merge separate flag_pic and !flag_pic define_insns into...
16646 (*call, *call_value): ...these new patterns. Match the address
16647 rather than the containing MEM and require it to be a call_operand.
16648 Use output_call to generate the asm template.
16649 * config/m68k/predicates.md (const_call_operand): New predicate.
16650 (call_operand): Likewise.
16651
16652 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16653
16654 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
16655 (STACK_GROWS_DOWNWARD): Define to 1.
16656 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
16657 comments, emphasizing that these values are only defaults.
16658 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
16659 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
16660
16661 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16662
16663 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
16664
16665 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16666 Richard Sandiford <richard@codesourcery.com>
16667
16668 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
16669 (FP_REGNO_P): New macros.
16670 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
16671 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
16672 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
16673 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
16674
16675 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16676
16677 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16678 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
16679 to $tmake_file.
16680 * config/m68k/t-floatlib: New file, extracting common code from...
16681 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
16682 * config/m68k/t-uclinux: Here.
16683 * config/m68k/fpgnulib.c: Do not compile extendeed precision
16684 routines on ColdFire targets.
16685
16686 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16687
16688 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16689 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
16690 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
16691 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
16692 explicitly set MOTOROLA to 1.
16693 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
16694
16695 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16696 Nathan Sidwell <nathan@codesourcery.com>
16697
16698 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
16699 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
16700 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
16701 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
16702 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
16703 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
16704 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
16705 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
16706 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
16707 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16708 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
16709 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
16710 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
16711 (DBX_REGISTER_NUMBER): Delete.
16712 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
16713 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
16714 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
16715
16716 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16717
16718 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
16719 * config/flat.h: New file.
16720 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
16721 OBJECT_FORMAT_FLAT.
16722 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
16723 indirect references for -msep-data or -mid-shared-library.
16724 Do not use PC-relative code addresses either.
16725 * config/m68k/m68k.c (override_options): Restrict -fPIC error
16726 to -mpcrel.
16727 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
16728 for shared libraries and crt1.o for executables. Use crti.o and
16729 crtbegin.o.
16730 (ENDFILE_SPEC): Use crtend.o and crtn.o.
16731 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
16732 Do not add -elf2flt or -shared-lib-id options here.
16733 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
16734 Pass -shared-lib-id if -mid-shared-library, taking the library
16735 identifier from -mshared-library-id if given, otherwise
16736 defaulting to 0.
16737 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
16738 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
16739 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
16740 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
16741 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
16742 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
16743 and crtend.o.
16744 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
16745 jump sequence for ISA A and ISA A+.
16746 (PICJUMP): Likewise.
16747
16748 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16749
16750 * config.gcc (m68k-*-uclinux*): Base the port on the common
16751 and m68k GNU/Linux files rather than on the generic ELF ones.
16752 * config/m68k/uclinux.h (TARGET_VERSION): Override.
16753 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
16754
16755 2007-01-18 Julian Brown <julian@codesourcery.com>
16756 Richard Sandiford <richard@codesourcery.com>
16757
16758 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
16759 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16760 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
16761 before redefining.
16762 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
16763 80 unconditionally.
16764 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
16765
16766 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16767
16768 * doc/install.texi: Document m68k-uclinuxoldabi.
16769 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
16770 * config/m68k/uclinux-oldabi.h: New file, copied from
16771 config/m68k/uclinux.h.
16772
16773 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
16774
16775 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
16776 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
16777 (m32r_compute_frame_size): Use unsigned for regno.
16778 (m32r_reload_lr): Use gen_frame_mem.
16779 (pop): New.
16780 (m32r_output_function_epilogue): Don't output the function epilogue
16781 textually here.
16782 (m32r_expand_epilogue): New.
16783 (direct_return): Return false if the function has the interrupt
16784 attribute.
16785 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
16786 * config/m32r/m32r.md (epilogue): New expander.
16787 (return_lr, return_rte): New insns.
16788 (return): Make it expander.
16789 (return_normal): New expander.
16790
16791 2007-01-18 Josh Conner <jconner@apple.com>
16792
16793 PR target/30485
16794 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
16795 support for UNLE, UNLT, UNGE, and UNGT.
16796
16797 2007-01-18 Jan Hubicka <jh@suse.cz>
16798
16799 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
16800 * tree-tailcall (add_virtual_phis): Likewise.
16801 (optimize_tail_call): Return TODOs.
16802 (execute_tail_calls): Return TODOs.
16803 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
16804 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
16805 changed.
16806 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
16807 Cleanup cfg using TODO.
16808 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
16809 * passes.c (execute_function_todo): When cleanup did something, remove
16810 unused locals.
16811 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
16812 (make_edges): Don't cleanup_cfg.
16813
16814 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
16815
16816 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
16817 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
16818 operate on the top of stack.
16819 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
16820 register handling of instructions that output to the second
16821 stack slot.
16822 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
16823 (move_for_stack_reg): Special-case check for dead destination
16824 stack slot for constant load of 1.0 inside UNSPEC_TAN.
16825
16826 * config/i386/i386.md (UNSPEC_TAN): New constant.
16827 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
16828 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
16829 to correctly model move of constant 1.0 to top stack slot.
16830 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
16831 (unnamed peephole2 pattern): Remove corresponding peephole2
16832 pattern that optimizes tan insn and loading of constant 1.0.
16833 (tanxf2): Use fptanxf4_i387.
16834 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
16835 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
16836 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16837 disable patterns for SSE math.
16838 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
16839 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
16840
16841 2007-01-18 Dirk Mueller <dmueller@suse.de>
16842 Richard Guenther <rguenther@suse.de>
16843
16844 PR diagnostic/8268
16845 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
16846 * common.opt (Warray-bounds): Add new warning option.
16847 * c-opts.c (c_common_handle_option): Define -Warray-bounds
16848 if -Wall is given.
16849 * Makefile.in: make tree-vrp.o depend on toplev.h
16850 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
16851 is enabled.
16852 (check_array_refs, check_array_bounds, check_array_ref): New.
16853
16854 2007-01-18 Jan Hubicka <jh@suse.cz>
16855
16856 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
16857 (execute_ssa_ccp): Return flags conditionally.
16858 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
16859 changed.
16860 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
16861
16862 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
16863
16864 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
16865 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
16866
16867 * Makefile.c (GTFILES): Add cfglayout.h.
16868 * gengtype.c (open_base_files): Likewise.
16869 * cfglayout.c (cfg_layout_function_footer,
16870 cfg_layout_function_header) Reindent to make gengtype happy.
16871 * cfglayout.h (cfg_layout_function_footer,
16872 cfg_layout_function_header): Add GTY(()) marker.
16873
16874 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
16875
16876 2007-01-18 Ben Elliston <bje@au.ibm.com>
16877
16878 * genautomata.c (write_automata): Include xstrerror output in the
16879 error message if writing the DFA description file fails.
16880
16881 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
16882
16883 * config/mips/mips-protos.h (mips_output_external): Make it
16884 return void.
16885 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
16886 * config/mips/mips.c (irix_output_external_libcall): Likewise.
16887 (extern_list): Likewise.
16888 (extern_head): Likewise.
16889 (TARGET_ASM_FILE_END): Likewise.
16890 (mips_file_end): Likewise.
16891 (mips_output_external): Rewritten.
16892
16893 2007-01-18 Ben Elliston <bje@au.ibm.com>
16894
16895 * genpreds.c (write_insn_preds_c): Only write out the function
16896 body for regclass_for_constraint if we have register constraints.
16897
16898 2007-01-17 Tom Tromey <tromey@redhat.com>
16899
16900 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
16901 * doc/install.texi (Testing): Use sourceware.org.
16902 (Binaries): Likewise.
16903 (Specific): Likewise.
16904 * doc/contrib.texi (Contributors): Use sourceware.org.
16905
16906 2007-01-17 Anatoly Sokolov <aesok@post.ru>
16907
16908 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
16909 (AVR_ENHANCED): Rename to ...
16910 (AVR_HAVE_MUL): ... new.
16911 (avr_enhanced_p): Rename to ...
16912 (avr_have_mul_p): ... new.
16913 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
16914 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
16915 * config/avr/avr.c (avr_enhanced_p): Rename to ...
16916 (avr_have_mul_p): ... new.
16917 (base_arch_s): Rename 'enhanced' to 'have_mul'.
16918 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
16919 'avr_enhanced_p' and 'enhanced'.
16920 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
16921 AVR_HAVE_MUL instead of AVR_ENHANCED.
16922 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16923 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
16924 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
16925 instead of AVR_ENHANCED.
16926 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
16927 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
16928 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
16929
16930 2007-01-17 Ian Lance Taylor <iant@google.com>
16931
16932 * vec.h (VEC_reserve_exact): Define.
16933 (vec_gc_p_reserve_exact): Declare.
16934 (vec_gc_o_reserve_exact): Declare.
16935 (vec_heap_p_reserve_exact): Declare.
16936 (vec_heap_o_reserve_exact): Declare.
16937 (VEC_OP (T,A,reserve_exact)): New static inline function, three
16938 versions.
16939 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
16940 negative parameter.
16941 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
16942 (VEC_OP (T,A,copy)) [all versions]: Likewise.
16943 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
16944 * vec.c (calculate_allocation): Add exact parameter. Change all
16945 callers.
16946 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
16947 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
16948 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
16949 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
16950 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
16951 (vec_heap_p_reserve_exact): New function.
16952 (vec_heap_o_reserve_exact): New function.
16953
16954 2007-01-17 Jan Hubicka <jh@suse.cz>
16955
16956 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
16957
16958 2007-01-17 Eric Christopher <echristo@apple.com>
16959
16960 * config.gcc: Support core2 processor.
16961
16962 2007-01-16 Jan Hubicka <jh@suse.cz>
16963
16964 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
16965 the names, just unlink the chain so we don't crash on dangling
16966 pointers
16967 to dead SSA names.
16968
16969 2007-01-16 Jan Hubicka <jh@suse.cz>
16970
16971 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
16972 * tree-pass.h: Reorder to make IPA passes appear toegher.
16973 (pass_early_inline, pass_inline_parameters, pass_apply_inline):
16974 Declare.
16975 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
16976 parameters, do not call early inliner.
16977 * ipa-inline.c: Update comments. Include tree-flow.h
16978 (cgraph_decide_inlining): Do not compute inlining parameters.
16979 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
16980 be called with function context set up.
16981 (pass_ipa_inline): Remove unreachable functions before pass.
16982 (cgraph_early_inlining): Simplify assuming to be called from the
16983 PM as local pass.
16984 (pass_early_inline): New pass.
16985 (cgraph_gate_ipa_early_inlining): New gate.
16986 (pass_ipa_early_inline): Turn into simple wrapper.
16987 (compute_inline_parameters): New function.
16988 (gate_inline_passes): New gate.
16989 (pass_inline_parameters): New pass.
16990 (apply_inline): Move here from tree-optimize.c
16991 (pass_apply_inline): New pass.
16992 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
16993 transforming.
16994 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
16995 doing them by hand.
16996 (tree_function_versioning): Do not allocate dummy struct function.
16997 * tree-inline.h (optimize_inline_calls): Update prototype.
16998 * tree-optimize.c (execute_fixup_cfg): Export.
16999 (pass_fixup_cfg): Remove
17000 (tree_rest_of_compilation): Do not apply inlines.
17001 * tree-flow.h (execute_fixup_cfg): Declare.
17002 * Makefile.in (gt-passes.c): New.
17003 * passes.c: Include gt-passes.h
17004 (init_optimization_passes): New passes.
17005 (nnodes, order): New static vars.
17006 (do_per_function_toporder): New function.
17007 (execute_one_pass): Dump current pass here.
17008 (execute_ipa_pass_list): Don't dump current pass here.
17009
17010 2007-01-16 Janis Johnson <janis187@us.ibm.com>
17011
17012 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
17013 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
17014
17015 2007-01-16 David Edelsohn <edelsohn@gnu.org>
17016
17017 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
17018 (strong_alias): Define.
17019 (__gcc_qmul): Provide non-FMA for soft-float.
17020 (__gcc_qdiv): Same.
17021 (__gcc_qneg): New.
17022 (__gcc_qeq): New.
17023 (__gcc_qle): New.
17024 (__gcc_qge): New.
17025 (__gcc_qunord): New.
17026 (__gcc_stoq): New.
17027 (__gcc_dtoq): New.
17028 (__gcc_qtos): New.
17029 (__gcc_qtod): New.
17030 (__gcc_qtoi): New.
17031 (__gcc_qtou): New.
17032 (__gcc_itoq): New.
17033 (__gcc_utoq): New.
17034 (fmsub): New.
17035 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
17036 soft-float functions.
17037 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
17038 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
17039 about long double soft float.
17040
17041 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
17042 Tehila Meyzels <tehila@il.ibm.com>
17043
17044 * tree-vectorizer.h (is_pattern_stmt_p): New.
17045 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
17046 formatting (tabs instead of spaces). Cleanup and clarify setting
17047 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
17048 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
17049 (vectorizable_type_demotion): Check that types are integral.
17050 (vectorizable_type_promotion): Likewise.
17051 (vectorizable_store): Fix typo. Eliminate new-line at end of
17052 comments.
17053
17054 2007-01-16 Jan Hubicka <jh@suse.cz>
17055
17056 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
17057 cgraph edges too.
17058
17059 2007-01-15 Eric Christopher <echristo@apple.com>
17060
17061 * ifcvt.c: Include vec.h, vecprim.h.
17062 (check_cond_move_block): New argument regs.
17063 Reorganize. Add registers used to regs.
17064 (cond_move_process_if_block): Use regs set above as
17065 loop bounds.
17066
17067 2007-01-15 Eric Christopher <echristo@apple.com>
17068
17069 * config/darwin.h: Update copyright.
17070 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
17071 (LINK_COMMAND_SPEC): Add -u.
17072 (LINK_SPEC): Fix umbrella for above.
17073
17074 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
17075
17076 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
17077 glibc CVS.
17078
17079 2007-01-15 Tom Tromey <tromey@redhat.com>
17080
17081 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
17082 * doc/install.texi (Testing): Don't mention jacks.
17083 (Configuration): Document --enable-java-maintainer-mode. Move
17084 --with-java-home to libgcj-specific section. Document
17085 --with-ecj-jar.
17086 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
17087
17088 2007-01-15 Jan Hubicka <jh@suse.cz>
17089
17090 * tree-ssa-dce.c (DCE_TODOs): New.
17091 (propagate_necessity): Return if something changed.
17092 (eliminate_unnecessary_stmts): Likewise.
17093 (perform_tree_ssa_dce): Return TODO flags when needed.
17094 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
17095
17096 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
17097
17098 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
17099 (fyl2x_extend<mode>xf3_i387): New insn pattern.
17100 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
17101 patterns using X87MODEF12 mode macro. Extend operand 1
17102 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
17103 (log10<mode>2): Ditto.
17104 (log2<mode>2): Ditto.
17105 (log1p<mode>2): Ditto.
17106 (logb<mode>2): Ditto.
17107 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
17108 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
17109 (*fxtractxf3_i387): Rename from *fxtractxf3.
17110 (fxtract_extend<mode>xf3_i387): New insn pattern.
17111 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
17112 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
17113 and gen_fyl2xxf3_i387().
17114
17115 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17116
17117 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
17118 * cfgloopmanip.c (fix_loop_placement): Made static. Use
17119 get_loop_exit_edges. Changed return type to bool.
17120 * cfgloop.h (fix_loop_placement): Declaration removed.
17121
17122 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
17123
17124 * param.h (MIN_VECT_LOOP_BOUND): New.
17125 * params.def (MIN_VECT_LOOP_BOUND): New.
17126 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
17127 argument - minimum threshold for number of iterations.
17128 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
17129 argument to declaration.
17130 * tree-vect-analyze.c (vect_analyze_operations): Check value of
17131 MIN_VECT_LOOP_BOUND.
17132 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
17133 slpeel_tree_peel_loop_to_edge with additional argument.
17134 (vect_do_peeling_for_alignment): Likewise.
17135 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
17136
17137 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
17138
17139 PR target/30413
17140 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
17141 operands of size 1.
17142
17143 2007-01-14 Jan Hubicka <jh@suse.cz>
17144
17145 * tree-dfa.c (remove_referenced_var): New function.
17146 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
17147 prune referenced vars list too.
17148 * tree-flow.h (remove_referenced_var): Declare.
17149
17150 2007-01-14 Jan Hubicka <jh@suse.cz>
17151
17152 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
17153 separately.
17154 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
17155 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
17156 * except.h (verify_eh_throw_table_statements): Kill prototype.
17157 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
17158 into call exrepssions.
17159 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
17160 eh trhow verifier.
17161 * tree-cfg.c: Include pointer-set.h.
17162 (verify_node_sharing): Work on pointer set.
17163 (verify_eh_throw_stmt_node): New.
17164 (verify_stmts): Use pointers sets, verify throw_stmt.
17165
17166 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
17167
17168 * ipa-reference.c (analyze_function): Consider also addresses taken
17169 in phi nodes.
17170
17171 2007-01-12 Roger Sayle <roger@eyesopen.com>
17172
17173 * c-typeck.c (null_pointer_constant_p): Replace use of
17174 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17175 (build_c_cast): Likewise.
17176
17177 2007-01-12 Roger Sayle <roger@eyesopen.com>
17178
17179 * tree.h (force_fit_type_double): Remove unused final argument.
17180 * c-common.c (constant_expression_warning): Replace use of
17181 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17182 (convert_and_check): Likewise.
17183 (shorten_compare): Update call to force_fit_type_double.
17184 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
17185 * convert.c (convert_to_pointer): Update call to
17186 force_fit_type_double.
17187 * fold-const.c (force_fit_type_double): Remove overflowed_const
17188 argument.
17189 (int_const_binop, fold_convert_const_int_from_int,
17190 fold_convert_const_int_from_real, fold_div_compare,
17191 fold_sign_changed_comparison, fold_unary, fold_negate_const,
17192 fold_abs_const, fold_not_const): Remove the final argument from
17193 calls to force_fit_type_double.
17194
17195 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
17196
17197 * configure.ac: Set insn to "nop" for spu-*-* also.
17198 * configure: Regenerate.
17199
17200 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
17201
17202 * builtins.def : Add BUILT_IN_FREE.
17203
17204 2007-01-12 Jan Hubicka <jh@suse.cz>
17205
17206 PR tree-optimization/30443
17207 * tree-inline.c (tree_function_versioning): Do not optimize when
17208 cloning for inlining.
17209
17210 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
17211
17212 * doc/loop.texi: Document recording of loop exits.
17213 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
17214 (update_single_exits_after_duplication,
17215 update_single_exit_for_duplicated_loop,
17216 update_single_exit_for_duplicated_loops): Removed.
17217 (duplicate_loop_to_header_edge): Do not call
17218 update_single_exits_after_duplication and
17219 update_single_exit_for_duplicated_loops.
17220 (loop_version): Do not update single_exit information.
17221 (fix_loop_structure): Use record_loop_exits instead of
17222 mark_single_exit_loops.
17223 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
17224 the lists of loop exits.
17225 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
17226 split_edge, merge_blocks): Update the lists of loop exits.
17227 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
17228 loop_optimizer_init.
17229 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
17230 of mark_single_exit_loops.
17231 (loop_optimizer_finalize): Call release_recorded_exits.
17232 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
17233 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
17234 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
17235 update single exit information.
17236 * lambda-code.c (perfect_nestify): Ditto.
17237 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
17238 (mark_single_exit_loops): Removed.
17239 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
17240 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
17241 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
17242 functions.
17243 (get_loop_exit_edges, single_exit): Use recorded exit lists.
17244 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
17245 (verify_loop_structure): Verify consistency of the exit lists.
17246 (flow_loops_find): Use alloc_loop. Initialize exits hash.
17247 (set_single_exit): Removed.
17248 * cfgloop.h (struct loop_exit): New function.
17249 (struct loop): single_exit_ field replaced by exits field.
17250 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
17251 LOOPS_HAVE_RECORDED_EXITS.
17252 (struct loops): Added exits hash.
17253 (mark_single_exit_loops, set_single_exit): Declaration removed.
17254 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
17255
17256 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17257
17258 * doc/invoke.texi: Avoid use of @headitem.
17259
17260 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17261
17262 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
17263
17264 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17265
17266 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
17267 list of targets.
17268
17269 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17270 Richard Sandiford <richard@codesourcery.com>
17271
17272 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
17273 * config/m68k/m68k.opt: Resort options.
17274 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
17275
17276 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17277 Richard Sandiford <richard@codesourcery.com>
17278
17279 * doc/invoke.texi: Document the macros that are defined by
17280 m68k's -mtune and -mhard-float options.
17281 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
17282 (m68k_cpp_cpu_family): Likewise.
17283 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
17284 of __ucfv*__ macros. Define __mcffpu__ if generating code for
17285 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
17286 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
17287 (m68k_cpp_cpu_family): Likewise.
17288
17289 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17290
17291 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
17292 macros besides mc68000 as tuning macros. Use a switch statement
17293 to set them and mcpu32.
17294
17295 2007-01-12 Julian Brown <julian@codesourcery.com>
17296
17297 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
17298 (TARGET_68040_ONLY): Rename to...
17299 (TARGET_68040): ...this.
17300 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
17301 * config/m68k/m68k.md: Likewise.
17302
17303 2007-01-12 Julian Brown <julian@codesourcery.com>
17304 Nathan Sidwell <nathan@codesourcery.com>
17305 Richard Sandiford <richard@codesourcery.com>
17306
17307 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
17308 the -mcpu= argument associated with the --with-cpu setting.
17309 Define M68K_DEFAULT_TUNE to the default -mtune= option,
17310 if different from the one implied by the -mcpu setting.
17311 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
17312 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
17313 * doc/invoke.texi: Mention ColdFire in the introduction to the
17314 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
17315 -mno-div and -mhard-float options. Make -m68881 a synonym for
17316 -mhard-float. Document the previously-undocumented -m5206e,
17317 -m528x, -m5307 and -m5407 options. Tweak the existing option
17318 documentation for consistency.
17319 * doc/install.texi: Mention new --with-cpu arguments.
17320 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
17321 default CPU if neither -mcpu nor -march are specified.
17322 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
17323 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
17324 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
17325 using m68k_tune to decide between families that implement the
17326 same ISA. Use m68k_tune to set __mcfv4e__.
17327 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
17328 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
17329 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
17330 (FL_ISA_C, FL_ISA_MMU): New macros.
17331 (MASK_COLDFIRE): Delete.
17332 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
17333 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
17334 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
17335 (TARGET_HARD_FLOAT): Do not define here.
17336 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
17337 (TUNE_68000): New macro.
17338 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
17339 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
17340 (TUNE_CFV2): Redefine in terms of m68k_tune.
17341 (uarch_type, target_device, fpu_type): New enums.
17342 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
17343 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
17344 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
17345 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
17346 (FL_FOR_isa_c): New macros.
17347 (m68k_isa): New enum.
17348 (m68k_target_selection): New structure.
17349 (all_devices, all_isas, all_microarchs): New tables.
17350 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
17351 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
17352 (MASK_ALL_CPU_BITS): Delete.
17353 (m68k_find_selection): New function.
17354 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
17355 Map the legacy target options to a combination of the new ones.
17356 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
17357 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
17358 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
17359 settings.
17360 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
17361 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
17362 properties.
17363 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
17364 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
17365 * config/m68k/m68k-devices.def: New file.
17366
17367 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17368 Nathan Sidwell <nathan@codesourcery.com>
17369
17370 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
17371 (SUBTARGET_EXTRA_SPECS): New macros.
17372 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
17373 use %(asm_cpu_spec) instead.
17374 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
17375 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
17376 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
17377 (EXTRA_SPECS): Rename to...
17378 (SUBTARGET_EXTRA_SPECS): ...this.
17379
17380 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17381 Richard Sandiford <richard@codesourcery.com>
17382 Julian Brown <julian@codesourcery.com>
17383
17384 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
17385 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
17386 to the configuration's default CPU.
17387 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
17388 Remove default masks.
17389 (m680[012]0-*-*): Set the default with_cpu to the first part of
17390 the target name.
17391 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
17392 (m68k*-*-linux): Extend the --with-cpu handling to...
17393 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
17394 and m68010. Don't set target_cpu_default2.
17395 * doc/install.texi: Document --with-cpu for m68k.
17396 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
17397 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
17398 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
17399 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
17400 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
17401 (ASM_SPEC): Remove use of %(asm_cpu_default).
17402 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
17403 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
17404 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
17405 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
17406 __HAVE_FPU__ if TARGET_HARD_FLOAT.
17407 (TARGET_DEFAULT): Delete.
17408 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
17409 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
17410 (CPP_CPU_SPEC): Delete.
17411 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
17412 the appropriate string.
17413 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
17414 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
17415 (ASM_SPEC): Don't use %(asm_default_spec).
17416 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
17417 TARGET_DEFAULT and add MASK_68881.
17418 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
17419
17420 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17421
17422 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
17423 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
17424 MASK_68010 alongside MASK_68020.
17425 * doc/invoke.texi: Document -m68010.
17426 * config/m68k/m68k.opt (m68010): New.
17427 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
17428 if TUNE_68010.
17429 (TUNE_68010): New macro.
17430 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
17431 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
17432 (M68K_CPU_m68332): Add MASK_68010.
17433 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
17434 fallback definition.
17435 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
17436 defines.
17437 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
17438 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
17439 to all entries that use MASK_68020.
17440 (output_move_simode_const, output_move_himode, output_move_qimode)
17441 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
17442 instead of TARGET_68020 to select clr behavior. Remove comment
17443 about there being no TARGET_68010.
17444 * config/m68k/m68k.md: Likewise throughout.
17445
17446 2007-01-12 Julian Brown <julian@codesourcery.com>
17447
17448 * config/m68k/m68k.h (TARGET_ISAB): New macro.
17449 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
17450 * config/m68k/m68k.md: Likewise.
17451
17452 2007-01-12 Julian Brown <julian@codesourcery.com>
17453
17454 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
17455 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
17456
17457 2007-01-12 Julian Brown <julian@codesourcery.com>
17458
17459 * config/m68k/m68k.h (TUNE_68040_60): New macro.
17460 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
17461 * config/m68k/m68k.md: Likewise.
17462
17463 2007-01-12 Julian Brown <julian@codesourcery.com>
17464 Richard Sandiford <richard@codesourcery.com>
17465
17466 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
17467 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
17468 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
17469 TARGET_CPU32.
17470 (TARGET_CPU32): Rename to...
17471 (TUNE_CPU32): ...this.
17472 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
17473 (TUNE_CFV2): New macros.
17474 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
17475 remove conditions that are implied by TARGET_68020.
17476 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
17477 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
17478 (m68k_output_function_epilogue): Likewise.
17479 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
17480 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
17481 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
17482 non-68000 timings. Refactor multiplication and division costs.
17483 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
17484 TUNE_CPU32 instead of TARGET_CPU32.
17485 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
17486 and TUNE_68060 instead of TARGET_68060.
17487 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
17488 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
17489 TARGET_CPU32.
17490 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
17491 && !TARGET_COLDFIRE" to choose between moveq and clr.
17492 Likewise in the unnamed movsf pattern.
17493 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
17494 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
17495 ashiftrt pattern.
17496
17497 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17498
17499 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
17500 of tabbing before backslashes.
17501
17502 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17503
17504 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
17505 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
17506 (ASM_OUTPUT_INTERNAL_LABEL): Define.
17507
17508 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17509
17510 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
17511 find_interesting_uses_cond.
17512 (find_interesting_uses_cond): Use extract_cond_operands.
17513 (rewrite_use_compare): Use extract_cond_operands and
17514 force_gimple_operand_bsi. Do not call update_stmt.
17515 (determine_use_iv_cost_condition): Use extract_cond_operands.
17516 Return cheaper of using original bound and changing the exit bound.
17517
17518 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17519
17520 PR tree-optimization/29516
17521 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
17522 most_expensive_mult_to_index, addr_to_parts,
17523 create_mem_ref, maybe_fold_tmr): Make the type of
17524 fields of TARGET_MEM_REF sizetype.
17525 (move_fixed_address_to_symbol, move_pointer_to_base):
17526 New functions.
17527 * tree.def (TARGET_MEM_REF): Add comment on types of
17528 the operands.
17529
17530 2007-01-11 Joseph Myers <joseph@codesourcery.com>
17531
17532 * c-common.c (vector_types_convertible_p): Treat opaque types as
17533 always convertible if they have the same size, but not otherwise.
17534
17535 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
17536
17537 * ifcvt.c (struct noce_if_info): Add comments to the fields.
17538 Remove the b_unconditional field.
17539 (noce_try_sign_mask): Do not look at b_unconditional.
17540 (noce_process_if_block): Do not use merge_if_blocks. Update
17541 the CFG here. Do not set b_unconditional.
17542 (cond_move_process_if_block): Likewise.
17543 (find_cond_trap): Likewise.
17544 (check_cond_move_block): Require simple jump insns at the end
17545 of the basic block.
17546
17547 2007-01-11 Jan Hubicka <jh@suse.cz>
17548
17549 PR tree-optimization/1046
17550 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
17551 when alias info is not ready.
17552 (pass_tail_recursion): Do not require aliasing.
17553 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
17554 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
17555 * tree-ssa-copy.c (pass_copy_prop): Likewise.
17556 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
17557 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
17558 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
17559 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
17560 before inlining.
17561 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
17562 When aliasing is not build, mark statement as volatile.
17563
17564 2007-01-11 Tom Tromey <tromey@redhat.com>
17565
17566 PR preprocessor/15185, PR preprocessor/20989:
17567 * doc/cppopts.texi <-MT>: Update description of algorithm for
17568 computing default target.
17569 <-M, -MD>: Reword "basename" text.
17570
17571 2007-01-11 Roger Sayle <roger@eyesopen.com>
17572
17573 * builtins.c (expand_builtin_pow, expand_builtin_powi,
17574 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
17575 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
17576 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
17577 fold_builtin_bswap, real_constp, fold_builtin_pow,
17578 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
17579 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
17580 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17581 * convert.c (convert_to_pointer): Likewise.
17582 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
17583 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
17584 const_binop, fold_convert_const_int_from_int,
17585 fold_convert_const_int_from_real,
17586 fold_convert_const_real_from_real, sign_bit_p,
17587 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
17588 fold_sign_changed_comparison, fold_unary, fold_comparison,
17589 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
17590 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
17591 * print-tree.c (print_node_brief, print_node): Likewise.
17592 * stor-layout.c (place_field, layout_type): Likewise.
17593 * tree-chrec.c (keep_cast): Likewise.
17594 * tree.c (build_vector, build_real, build_real_from_int_cst,
17595 build_complex): Likewise.
17596
17597 2007-01-11 Roger Sayle <roger@eyesopen.com>
17598
17599 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
17600 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
17601
17602 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
17603
17604 * configure.ac (strict1_warn): Rename to strict_warn.
17605 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
17606 cc_set_by_configure, quoted_cc_set_by_configure,
17607 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
17608 all_boot_languages, all_stagestuff): Remove.
17609 (target_list): Remove bootstrap targets.
17610 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
17611 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
17612 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
17613 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
17614 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
17615 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
17616 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
17617 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
17618 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
17619 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
17620 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
17621 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
17622 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
17623 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
17624 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
17625 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
17626 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
17627 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
17628 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
17629 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
17630 (mostlyclean): Adjust.
17631 (clean, distclean): Don't mention bootstrap stuff.
17632 * configure: Regenerate.
17633 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
17634 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
17635 treelang/config-lang.in (stagestuff): Remove.
17636 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
17637 stageprofile, stagefeedback, stagestuff): Remove mention.
17638
17639 2007-01-11 Nick Clifton <nickc@redhat.com>
17640
17641 * config/mcore/predicates.md (mcore_general_movesrc_operand):
17642 Accept CONSTs.
17643 (mcore_general_movdst_operand): Do not accept CONST_INTs.
17644 (mcore_arith_K_S_operand): Run the test for the S constraint not
17645 the test for the M constraint.
17646 (mcore_addsub_operand): Do not accept integer values that are
17647 larger than 32 bits.
17648 * config/mcore/mcore.md: Remove unused constraints from split.
17649 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
17650 (addsi3): Likewise.
17651 (allocate_stack): Likewise.
17652 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
17653 operands to 32 bits.
17654 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
17655 INTVAL.
17656 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
17657 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
17658 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
17659 mcore_output_bclri, mcore_output_andn, output_inline_const,
17660 mcore_output_move, mcore_output_movedouble): Likewise.
17661 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
17662 (output_inline_const): Likewise.
17663 (output_inline_const): Fix format strings used in sprintf
17664 statements.
17665 * config/mcore/mcore-protos.h: Update prototypes for changed
17666 functions in mcore.c.
17667 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
17668 HOST_WIDE_INT and not int.
17669 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
17670 CONST_OK_FOR_N): Likewise.
17671 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
17672 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
17673 an INTVAL.
17674
17675 2007-01-10 Jan Hubicka <jh@suse.cz>
17676
17677 * tree-vrp.c (remove_range_assertions): Release defs.
17678 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
17679 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
17680
17681 2007-01-10 Paul Brook <paul@codesourcery.com>
17682
17683 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
17684 * config/arm/arm.md (mulsi3subsi): New insn.
17685
17686 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
17687
17688 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
17689 (tree_transform_and_unroll_loop): New.
17690 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
17691 Declare.
17692
17693 2007-01-10 Robert Kennedy <jimbob@google.com>
17694
17695 * fold-const.c (fold_comparison): Fold comparisons like (x *
17696 1000 < 0) to (x < 0).
17697
17698 2007-01-10 Ian Lance Taylor <iant@google.com>
17699
17700 * tree-pretty-print.c (dump_generic_node): Print parentheses when
17701 operands have the same priority.
17702
17703 2007-01-10 Tom Tromey <tromey@redhat.com>
17704
17705 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
17706 (fold_binary): Likewise.
17707 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
17708 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
17709 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
17710 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
17711 * langhooks.h (struct lang_hooks): Removed field
17712 'can_use_bit_fields_p'.
17713
17714 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
17715
17716 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
17717
17718 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
17719
17720 * function.c (get_last_funcdef_no): New function.
17721 * function.h (get_last_funcdef_no): Declare.
17722 * tree-inline.c (initialize_cfun): Add initialization.
17723 (tree_function_versioning): Cleanup.
17724
17725 2007-01-10 Jan Hubicka <jh@suse.cz>
17726
17727 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
17728 PHIs.
17729
17730 2007-01-10 Sa Liu <saliu@de.ibm.com>
17731 Ben Elliston <bje@au.ibm.com>
17732
17733 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
17734 for SAVE_NONLOCAL and Pmode for any other save level.
17735 * spu-protos.h (spu_restore_stack_block): Declare.
17736 * spu.md (save_stack_block): Remove.
17737 (restore_stack_block): Call spu_restore_stack_block.
17738 * spu.c (spu_restore_stack_block): New function.
17739 (spu_expand_epilogue): Remove old comment.
17740
17741 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
17742
17743 PR tree-optimization/30322
17744 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
17745 (cand_value_at): Return the value as aff_tree.
17746 (may_eliminate_iv): Convert the bound from aff_tree to tree.
17747 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
17748 aff_combination_mult): New functions.
17749 (aff_combination_add): Use aff_combination_add_cst.
17750 (aff_combination_convert): Allow conversions to a wider type.
17751 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
17752 * tree-affine.h (aff_combination_mult): Declare.
17753
17754 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
17755
17756 * doc/tm.texi: Update documentation to reflect reality of exec
17757 and start file search behaviours. Update copyright year.
17758 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
17759 header file directories.
17760
17761 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
17762
17763 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
17764 (*cosxf2): Rename to cosxf2_i387.
17765 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
17766 using X87MODEF12 mode macro. Rename patterns to
17767 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
17768 for SSE math.
17769 (*cosdf2, *cossf2): Ditto.
17770 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
17771 to match extended input operands.
17772 (sincos<mode>3): New expander.
17773 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
17774 insn patterns and corresponding splitters.
17775
17776 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
17777
17778 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
17779 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
17780
17781 2007-01-09 Nicolas Pitre <nico@cam.org>
17782
17783 PR target/30173
17784 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
17785
17786 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17787
17788 * target.h (struct gcc_target): New field library_rtti_comdat.
17789 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
17790 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
17791 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
17792 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
17793
17794 2007-01-08 Geoffrey Keating <geoffk@apple.com>
17795
17796 * doc/invoke.texi (Optimize Options): Correct description of -O0.
17797
17798 2007-01-08 Richard Guenther <rguenther@suse.de>
17799
17800 * tree.h (force_fit_type_double): Export.
17801 (force_fit_type): Remove.
17802 * fold-const.c (force_fit_type_double): New function.
17803 (force_fit_type): Remove.
17804 (int_const_binop): Use it.
17805 (fold_convert_const_int_from_int): Likewise.
17806 (fold_convert_const_int_from_real): Likewise.
17807 (fold_div_compare): Likewise.
17808 (fold_sign_changed_comparison): Likewise.
17809 (fold_unary): Likewise.
17810 (fold_negate_const): Likewise.
17811 (fold_abs_const): Likewise.
17812 (fold_not_const): Likewise.
17813 * c-common.c (shorten_compare): Use force_fit_type_double.
17814 * convert.c (convert_to_pointer): Likewise.
17815
17816 2007-01-08 Richard Guenther <rguenther@suse.de>
17817
17818 * tree.h (build_int_cst_wide_type): Export.
17819 * tree.c (build_int_cst_wide_type): New function.
17820 (build_int_cst_wide): Fix comment.
17821 * builtins.c (fold_builtin_object_size): Use build_int_cst
17822 to build -1 or 0 of the correct type. Use fit_double_type
17823 to check for overflow.
17824 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
17825 to build the mask.
17826 (decode_field_reference): Likewise.
17827 (all_ones_mask_p): Likewise.
17828 (native_interpret_int): Use build_int_cst_wide_type.
17829 (fold_binary): Use build_int_cst_type to build an all-ones
17830 value.
17831 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
17832
17833 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
17834
17835 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
17836
17837 2007-01-09 Ben Elliston <bje@au.ibm.com>
17838
17839 * genautomata.c (STATS_OPTION): New option.
17840 (stats_flag): New flag.
17841 (gen_automata_option): Handle it.
17842 (initiate_automaton_gen): Ditto.
17843 (write_automata): Output statistics only if stats_flag is
17844 set. Likewise, output time statistics only if time_flag is set.
17845 * doc/md.texi (Processor pipeline description): Document new flag.
17846
17847 2007-01-08 Richard Guenther <rguenther@suse.de>
17848
17849 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
17850 * tree.c (build_int_cst_type): Likewise.
17851 (size_in_bytes): Don't call force_fit_type on the result.
17852 (int_fits_type_p): Use fit_double_type.
17853 * fold-const.c (fit_double_type): New function.
17854 (force_fit_type): Use it.
17855 * tree.h (fit_double_type): Export.
17856
17857 2007-01-08 Jan Hubicka <jh@suse.cz>
17858
17859 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
17860 * ipa.c (function_and_variable_visibility): Fix return type.
17861
17862 2007-01-08 Richard Guenther <rguenther@suse.de>
17863
17864 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
17865 of offset to build the index.
17866 * tree-pretty-print.c (dump_generic_node): Don't build negated
17867 const just for printing.
17868 * c-pretty-print.c (pp_c_integer_constant): Likewise.
17869 * builtins.c (fold_builtin_int_roundingfn): Check if result
17870 fits the type by using force_fit_type and comparing the result.
17871 * predict.c (predict_loops): Use compare_tree_int for comparison.
17872 * tree.c (build_int_cst): Fall back to integer_type_node for
17873 NULL_TREE type.
17874 (build_int_cst_wide): Assert type is non-null.
17875
17876 2007-01-08 Roberto Costa <roberto.costa@st.com>
17877
17878 * tree-vrp.c (extract_range_from_cond_expr): New.
17879 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
17880 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
17881 as expressions.
17882 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
17883 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
17884 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
17885 used as expressions.
17886 * tree-object-size.c (cond_expr_object_size): New.
17887 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
17888
17889 2007-01-08 Jan Hubicka <jh@suse.cz>
17890
17891 * tree-ssa-forwprop.c (forward_propagate_into_cond,
17892 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
17893 statement.
17894
17895 2007-01-08 Richard Guenther <rguenther@suse.de>
17896
17897 PR tree-optimization/23603
17898 * tree-vrp.c (set_value_range_to_truthvalue): New function.
17899 (extract_range_from_binary): Fall back to truthvalue instead of
17900 varying for TRUTH_*_EXPR.
17901 (extract_range_from_comparison): Fall back to truthvalue instead of
17902 varying.
17903 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
17904 if all visited PHI values were constant.
17905
17906 2007-01-08 Jan Hubicka <jh@suse.cz>
17907
17908 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
17909 (cgraph_analyze_function): break out from ...
17910 (cgraph_finalize_compilation_unit): ... here.
17911 (cgraph_expand_function): Remove forgoten commented out line.
17912 (cgraph_optimize): Analyze functions.
17913
17914 2007-01-08 Jan Hubicka <jh@suse.cz>
17915
17916 * tree-pas.h (TODO_remove_function): New flag.
17917 (TODO_update*): Renumber.
17918 (pass_ipa_increase_alignment,
17919 pass_ipa_function_and_variable_visibility): New passes.
17920 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
17921 (cgraph_function_and_variable_visibility): Move to ipa.c
17922 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
17923 cgraph_increase_alignment.
17924 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
17925 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
17926 calling tree-inline.
17927 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
17928 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
17929 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
17930 (gate_increase_alignment): New function.
17931 (pass_ipa_increase_alignment): New pass.
17932 * ipa.c: Inline tree-pass.h and timevar.h
17933 (function_and_variable_visibility): Move here from cgraphunit.c
17934 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
17935 * passes.c (init_optimization_passes): Add the two new passes.
17936 (execute_todo): Handle cgraph_remove_functions.
17937
17938 2007-01-08 Nick Clifton <nickc@redhat.com>
17939
17940 * config/frv/predicates.md (reg_or_0_operand): Accept
17941 CONST_DOUBLEs.
17942
17943 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
17944
17945 * config/bfin/rtems.h, config/bfin/t-rtems: New.
17946 * config.gcc: Add bfin*-rtems*.
17947
17948 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17949
17950 * c.opt: Add -flax-vector-conversions.
17951 * c-typeck.c (convert_for_assignment): Pass flag to
17952 vector_types_convertible_p to allow emission of note.
17953 (digest_init): Likewise.
17954 * c-opts.c: Handle -flax-vector-conversions.
17955 * c-common.c (flag_lax_vector_conversions): New.
17956 (vector_types_convertible_p): Unless -flax-vector conversions
17957 has been passed, disallow conversions between vectors with
17958 differing numbers of subparts and/or element types. If such
17959 a conversion is disallowed, possibly emit a note on the first
17960 occasion only to inform the user of -flax-vector-conversions.
17961 The new last argument specifies this.
17962 * c-common.h (flag_lax_vector_conversions): New.
17963 (vector_types_convertible_p): Add extra argument.
17964 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
17965 char_type_node for V*QI type vectors.
17966 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
17967 Update to satisfy new typechecking rules.
17968 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
17969 C and C++ variants.
17970 * doc/invoke.texi (C Dialect Options): Document
17971 -flax-vector-conversions.
17972
17973 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
17974
17975 PR tree-optimization/29877
17976 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
17977 a register variable on the RHS to not be replaceable.
17978
17979 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
17980 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
17981 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
17982 const_simm15, const_pow2, const_npow2): Added.
17983 * config/score/misc.md (insv, extv, extzv, movmemsi,
17984 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
17985 * config/score/score.c (score_address_cost, score_select_cc_mode):
17986 Added.
17987 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
17988 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
17989 Update score_print_operand.
17990 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
17991 Adjust register allocate order and update some macro define.
17992 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
17993 mdx_block_move_straight, mdx_block_move_loop_head,
17994 mdx_block_move_loop_body, mdx_block_move_loop_foot,
17995 mdx_block_move_loop, mdx_block_move): Added.
17996 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
17997 mdp_limm): Updated and fix some bug and typo.
17998 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
17999 (movsf, movdf, doloop_end): Added.
18000
18001 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
18002
18003 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
18004 config/arm/thumb2.md: Fix comment typos.
18005 * doc/extend.texi: Fix a typo.
18006
18007 2007-01-07 Eric Christopher <echristo@apple.com>
18008
18009 * configure.ac: Check for __stack_chk_fail for darwin.
18010 * configure: Regenerate.
18011
18012 2007-01-07 Richard Guenther <rguenther@suse.de>
18013
18014 * tree-vrp.c (extract_range_from_assert): CSE calls to
18015 compare_values where possible.
18016 (extract_range_from_unary_expr): Likewise.
18017
18018 2007-01-07 Anatoly Sokolov <aesok@post.ru>
18019
18020 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
18021 * config/avr/avr.c (call_insn_operand): Delete function.
18022 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
18023 instead of register number. Use predicates.
18024 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
18025 call_insn_operand): Add.
18026
18027 2007-01-06 Jan Hubicka <jh@suse.cz>
18028
18029 * tree-pass.h (pass_build_cgraph_edges): Declare.
18030 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
18031 (visited_nodes): Remove.
18032 (cgraph_create_edges): Move to cgraphbuild.c; rename to
18033 build_cgrpah_edges; make visited_nodes local.
18034 (cgraph_process_new_functions): DO not call initialize_inline_failed.
18035 (record_references_in_initializer): Move to cgraphbuild.c
18036 (initialize_inline_failed, rebuild_cgraph_edges,
18037 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
18038 (verify_cgraph_node): Make visited_nodes local.
18039 (cgraph_analyze_function): Do not call cgraph_create_edges and
18040 initialize_inline_failed.
18041 (cgraph_expand_function): Do not call cgraph_lower_function;
18042 assert that function is already lowered.
18043 * Makefile.in (cgraphbuild.o): New.
18044 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
18045 at the end of lowering passes.
18046
18047 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
18048
18049 * ifcvt.c (cond_move_convert_if_block): New function, code
18050 factored out from...
18051 (cond_move_process_if_block): ...here. Call the new function
18052 on the THEN and ELSE blocks.
18053 (merge_if_block): Do not copy global_live_at_end, merge_blocks
18054 already takes care of this.
18055
18056 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18057
18058 PR c/19978
18059 * tree.h (TREE_OVERFLOW_P): New.
18060 * c-typeck.c (parser_build_unary_op): Warn only if result
18061 overflowed and operands did not.
18062 (parser_build_binary_op): Likewise.
18063 (convert_for_assignment): Remove redundant overflow_warning.
18064 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
18065
18066 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18067
18068 * c-typeck.c (store_init_value): Split over two lines to follow
18069 the GNU coding style.
18070
18071 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
18072
18073 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
18074 __GXX_EXPERIMENTAL_CXX0X__.
18075 * doc/cpp.texi: Same.
18076
18077 2007-01-05 Richard Guenther <rguenther@suse.de>
18078
18079 PR middle-end/27826
18080 * tree.c (get_narrower): Do not construct COMPONENT_REFs
18081 with mismatched types. Instead explicitly build a
18082 conversion NOP_EXPR.
18083
18084 2007-01-05 Ian Lance Taylor <iant@google.com>
18085
18086 * c-common.c (decl_with_nonnull_addr_p): New function.
18087 (c_common_truthvalue_conversion): Call it.
18088 * c-typeck.c (build_binary_op): Likewise.
18089 * c-common.h (decl_with_nonnull_addr_p): Declare.
18090
18091 2007-01-05 Jakub Jelinek <jakub@redhat.com>
18092
18093 PR c/30360
18094 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
18095 denom against 0.0.
18096
18097 2007-01-05 Joel Brobecker <brobecker@adacore.com>
18098
18099 * doc/install.texi (Final install): Document the fact that
18100 the GNAT runtime should not be stripped.
18101
18102 2007-01-04 Jan Hubicka <jh@suse.cz>
18103
18104 * tree-inline.c (fold_marked_statements): Update operand caches
18105 and EH after folding
18106
18107 2007-01-04 Ian Lance Taylor <iant@google.com>
18108
18109 * c-common.c (check_function_nonnull): Whitespace fix.
18110
18111 2007-01-04 Jan Hubicka <jh@suse.cz>
18112
18113 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
18114 comitted older version of patch.
18115 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
18116 function, celanup cfg and collect garbage.
18117
18118 2007-01-04 Mike Stump <mrs@apple.com>
18119
18120 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
18121 (clean): Likewise.
18122
18123 2007-01-04 Eric Christopher <echristo@apple.com>
18124
18125 * libgcc2.c (__bswapsi2): Use SItype.
18126 (__bswapdi2): Use DItype.
18127 * libgcc2.h: Update for above.
18128
18129 2007-01-04 Paul Brook <paul@codesourcery.com>
18130
18131 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
18132 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
18133 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
18134 umulsidi3, umulsidi3adddi, smulsi3_highpart,
18135 umulsi3_highpart): Make conditional on !arm_arch6.
18136 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
18137 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
18138 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
18139 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
18140 umulsi3_highpart_v6): New insns.
18141
18142 2007-01-04 Roger Sayle <roger@eyesopen.com>
18143
18144 * fold-const.c (fold_convert): When casting an expression to void,
18145 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
18146 have a type. Instead of attempting to build a NOP_EXPR, return
18147 these "special" trees directly.
18148
18149 2007-01-04 Joseph Myers <joseph@codesourcery.com>
18150
18151 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
18152 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
18153 rs6000_cost->fp not 0 as adjustment for outer NEG.
18154
18155 2007-01-04 Jan Hubicka <jh@suse.cz>
18156
18157 * cgraph.c (cgraph_release_function_body): New function.
18158 (cgraph_remove_node): Use it.
18159 * cgraph.h (cgraph_release_function_body): Declare.
18160 * cgraphunit.c (cgraph_expand_function): Use it.
18161 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
18162 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
18163 is initialized and while compilation of other function is running.
18164 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
18165 statement CFG annotations from here to ...
18166 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
18167
18168 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
18169
18170 * cfgloop.h (enum li_flags): Make the constants powers of two.
18171
18172 2007-01-04 Jan Hubicka <jh@suse.cz>
18173
18174 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
18175 set.
18176 (fold_marked_statements): New function.
18177 (optimize_inline_calls, tree_function_versioning): Fold new statements.
18178 * tree-inline.h (copy_body_data): Add statements_to_fold.
18179
18180 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
18181
18182 * config.gcc: Mention libgcc/config.host.
18183 * Makefile.in: Update comments mentioning libgcc.
18184 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
18185 (all.cross, start.encap, rest.encap, rest.cross): Update
18186 dependencies for libgcc move.
18187 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
18188 (clean-target, clean-target-libgcc): Delete.
18189 (srcdirify, GCC_EXTRA_PARTS): New macros.
18190 (libgcc-support, libgcc.mvars): New rules.
18191 (distclean): Remove mention of mklibgcc.
18192 (install): Don't reference INSTALL_LIBGCC.
18193 (install-common): Don't reference EXTRA_PARTS.
18194 (install-libgcc, install-multilib): Delete rules.
18195 * mklibgcc.in: Delete file.
18196 * doc/configfiles.texi: Don't mention mklibgcc.
18197
18198 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
18199 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
18200 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
18201 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
18202 (mklibgcc, ldblspecs): Likewise.
18203
18204 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
18205 (posixpre.def): Use $(T).
18206 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
18207 (SHLIB_SRC, SHLIB_INSTALL): Delete.
18208 (SHLIB_LINK): Make dummy.
18209 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
18210
18211 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
18212
18213 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
18214 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
18215 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
18216 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
18217
18218 * configure.ac (all_outputs): Remove mklibgcc.
18219 * configure: Regenerated.
18220
18221 2007-01-03 Josh Conner <jconner@apple.com>
18222
18223 PR middle-end/29683
18224 * calls.c (compute_argument_addresses): Set stack and stack_slot
18225 for partial args, too.
18226 (store_one_arg): Use locate.size.constant for the size when
18227 generating a save_area.
18228
18229 2007-01-03 Robert Kennedy <jimbob@google.com>
18230
18231 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
18232 whose definitions are deleted due to basic block merging.
18233
18234 2007-01-03 Paul Brook <paul@codesourcery.com>
18235
18236 PR target/16634
18237 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
18238 functions.
18239 (use_return_insn): Return 0 for Thumb interrupt functions.
18240 (print_multi_reg): Add rfe argument for IRQ returns.
18241 (arm_output_epilogue): Pop interrupt return address directly into PC.
18242 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
18243
18244 2007-01-03 Paul Brook <paul@codesourcery.com>
18245
18246 Merge from sourcerygxx-4_1.
18247 * config/arm/thumb2.md: New file.
18248 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
18249 Thumb-2.
18250 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
18251 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
18252 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
18253 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
18254 tables.
18255 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
18256 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
18257 comptibility.
18258 * config/arm/ieee754-sf.S: Ditto.
18259 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
18260 (thumb1_base_register_rtx_p): ... to this.
18261 (thumb_index_register_rtx_p): Rename...
18262 (thumb1_index_register_rtx_p): ... to this.
18263 (thumb_output_function_prologue): Rename...
18264 (thumb1_output_function_prologue): ... to this.
18265 (thumb_legitimate_address_p): Rename...
18266 (thumb1_legitimate_address_p): ... to this.
18267 (thumb_rtx_costs): Rename...
18268 (thumb1_rtx_costs): ... to this.
18269 (thumb_compute_save_reg_mask): Rename...
18270 (thumb1_compute_save_reg_mask): ... to this.
18271 (thumb_final_prescan_insn): Rename...
18272 (thumb1_final_prescan_insn): ... to this.
18273 (thumb_expand_epilogue): Rename...
18274 (thumb1_expand_epilogue): ... to this.
18275 (arm_unwind_emit_stm): Rename...
18276 (arm_unwind_emit_sequence): ... to this.
18277 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
18278 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
18279 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
18280 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
18281 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
18282 thumb2_output_casesi): New functions.
18283 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
18284 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
18285 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
18286 THUMB2_WORK_REGS): Define.
18287 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
18288 arm_condexec_mask, arm_condexec_masklen)): New variables.
18289 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
18290 (arm_override_options): Check new CPU capabilities.
18291 Set new architecture flag variables.
18292 (arm_isr_value): Handle v7m interrupt functions.
18293 (user_return_insn): Return 0 for v7m interrupt functions. Handle
18294 Thumb-2.
18295 (const_ok_for_arm): Handle Thumb-2 constants.
18296 (arm_gen_constant): Ditto. Use movw when available.
18297 (arm_function_ok_for_sibcall): Return false for v7m interrupt
18298 functions.
18299 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
18300 (thumb_find_work_register, arm_load_pic_register,
18301 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
18302 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
18303 print_multi_reg, output_mov_long_double_fpa_from_arm,
18304 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
18305 output_mov_double_fpa_from_arm, output_move_double,
18306 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
18307 output_return_instruction, arm_output_function_prologue,
18308 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
18309 arm_output_mi_thunk, thumb_set_return_address): Ditto.
18310 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
18311 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
18312 (arithmetic_instr, shift_op): Use arm_shift_nmem.
18313 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
18314 '!' and 'L'.
18315 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
18316 (thumb_expand_prologue): Use thumb_set_frame_pointer.
18317 (arm_file_start): Output directive for unified syntax.
18318 (arm_unwind_emit_set): Handle stack alignment instruction.
18319 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
18320 Add v6t2, v7, v7a, v7r and v7m.
18321 (RETLDM): Add Thumb-2 code.
18322 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
18323 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
18324 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
18325 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
18326 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
18327 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
18328 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
18329 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
18330 ADJUST_INSN_LENGTH): Define.
18331 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
18332 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
18333 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
18334 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
18335 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
18336 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
18337 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
18338 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
18339 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
18340 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
18341 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
18342 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
18343 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
18344 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
18345 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
18346 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
18347 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
18348 cortex-m3.
18349 * config/arm/arm-tune.md: Regenerate.
18350 * config/arm/arm-protos.h: Update prototypes.
18351 * config/arm/vfp.md: Enable patterns for Thumb-2.
18352 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
18353 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
18354 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
18355 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
18356 * config/arm/libunwind.S: Add Thumb-2 code.
18357 * config/arm/constraints.md: Update include Thumb-2.
18358 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
18359 * config/arm/ieee754-df.S: Ditto.
18360 * config/arm/bpabi.S: Ditto.
18361 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
18362 * config/arm/predicates.md (low_register_operand,
18363 low_reg_or_int_operand, thumb_16bit_operator): New.
18364 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
18365 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
18366 * config/arm/t-arm-elf: Add armv7 multilib.
18367 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
18368 Include thumb2.md.
18369 (UNSPEC_STACK_ALIGN, ce_count): New.
18370 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
18371 arm_zero_extendsidi2, arm_zero_extendqidi2): New
18372 insns/expanders.
18373 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
18374 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
18375 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
18376 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
18377 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
18378 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
18379 insns.
18380 * doc/extend.texi: Document ARMv7-M interrupt functions.
18381 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
18382
18383 2007-01-03 Jakub Jelinek <jakub@redhat.com>
18384
18385 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
18386 (struct _Unwind_Context): Rename args_size to flags, remove
18387 signal_frame field, add a new args_size field and version field.
18388 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
18389 _Unwind_IsExtendedContext): New inline functions.
18390 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
18391 Assume by_value array is only present if _Unwind_IsExtendedContext.
18392 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
18393 _Unwind_IsSignalFrame.
18394 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
18395 (uw_update_context_1): Use _Unwind_SetSignalFrame.
18396 (uw_init_context_1): Initialize context->flags to
18397 EXTENDED_CONTEXT_BIT.
18398 * config/rs6000/linux-unwind.h (frob_update_context): Use
18399 _Unwind_SetSignalFrame.
18400
18401 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
18402
18403 PR middle-end/30353
18404 * gimplify.c (gimplify_modify_expr_complex_part): Move below
18405 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
18406 the value.
18407
18408 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
18409
18410 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
18411 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
18412 RET, AT_SP): Remove.
18413 * config/i386/i386.md (*sse_prologue_save_insn): Use return
18414 instead of RET.
18415
18416 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18417 * cfgbuild.c (find_basic_blocks): Likewise.
18418 * cfgrtl.c (rtl_create_basic_block): Likewise.
18419 * function.c (temp_slots_at_level): Likewise.
18420 * reg-stack.c (stack_regs_mentioned): Likewise.
18421 * regclass.c (allocate_reg_info): Likewise.
18422 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18423 set_bb_for_stmt, move_block_to_fn): Likewise.
18424 * tree-complex.c (tree_lower_complex): Likewise.
18425 * vec.h (VEC_safe_grow_cleared): New.
18426
18427 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
18428
18429 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
18430
18431 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
18432 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
18433 to loop_version.
18434 * cfgloopmanip.c (scale_loop_frequencies): Export.
18435 (loopify): Scale the frequencies by prescribed coefficients.
18436 (set_zero_probability): New function.
18437 (duplicate_loop_to_header_edge): Improve updating of frequencies.
18438 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
18439 and frequencies according to arguments.
18440 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
18441 correctly.
18442 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
18443 * modulo-sched.c (sms_schedule): Set probabilities for entering
18444 versioned loop correctly.
18445 * tree-vect-transform.c (vect_transform_loop): Ditto.
18446 * cfgloop.h (loopify, loop_version): Declaration changed.
18447 (scale_loop_frequencies): Declared.
18448
18449 2007-01-02 Jan Hubicka <jh@suse.cz>
18450
18451 * cgraph.c: Include tree-flow.h
18452 (cgraph_add_new-function): Handle IPA_SSA mode; execute
18453 early_local_passes.
18454 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
18455 * tree-pass.h (pass_all_early_optimizations): Declare.
18456 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
18457 early_local_passes.
18458 (cgraph_analyze_function): Do early_local_passes.
18459 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18460 Do not add referenced vars.
18461 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
18462 SSA form.
18463 (gate_all_early_local_passes): New gate.
18464 (pass_early_local_passes): Use new gate.
18465 (execute_early_local_optimizations): New functions.
18466 (gate_all_early_optimizations): New gate.
18467 (pass_all_early_optimizations): New pass.
18468 (execute_free_datastructures): Free SSA only when initialized.
18469 (gate_init_datastructures): Init only when optimizing.
18470 (tree_lowering_passes): Do early local passes when called late.
18471 * tree-profile.c (do_tree_profiling): Don't profile functions added
18472 late.
18473 (do_early_tree_profiling, pass_early_tree_profile): Kill.
18474 * tree-cfg.c (update_modified_stmts): Do not update when operands are
18475 not active.
18476 * passes.c (init_optimizations_passes): Reorder so we go into SSA
18477 during early_local_passes.
18478 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
18479
18480
18481 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18482
18483 * Makefile.in: Update copyright year.
18484
18485 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18486
18487 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
18488 in $(lang_checks) and check-consistency targets.
18489
18490 2007-01-02 Jan Hubicka <jh@suse.cz>
18491
18492 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18493 Do not add referenced vars.
18494 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
18495 are not active.
18496 * passes.c (init_optimization_passes): Put mudflap_2 after
18497 free_datastructures.
18498
18499 2007-01-02 Jan Hubicka <jh@suse.cz>
18500
18501 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
18502 Set NOTHROW flag on call statements proved to be nothrow.
18503 Update statement of local calls so new pure/const functions are
18504 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
18505 goto receivers.
18506 (tree_rest_of_compilation): Register hooks and initialize bitmap
18507 early. Do not set after_inlining flag.
18508
18509 2007-01-02 Steve Ellcey <sje@cup.hp.com>
18510
18511 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
18512 HOST_BITS_PER_LONGLONG
18513
18514 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18515
18516 PR c/19977
18517 * c-typeck.c (store_init_value): Don't emit pedantic overflow
18518 warning for non-static initializers.
18519
18520 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
18521
18522 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
18523 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
18524 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
18525 Always use set_unique_reg_note to add REG_EQUAL notes.
18526
18527 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18528
18529 Revert:
18530 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18531
18532 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18533 * cfgbuild.c (find_basic_blocks): Likewise.
18534 * cfgrtl.c (rtl_create_basic_block): Likewise.
18535 * function.c (temp_slots_at_level): Likewise.
18536 * reg-stack.c (stack_regs_mentioned): Likewise.
18537 * regclass.c (allocate_reg_info): Likewise.
18538 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18539 set_bb_for_stmt, move_block_to_fn): Likewise.
18540 * tree-complex.c (tree_lower_complex): Likewise.
18541 * vec.h (VEC_safe_grow_cleared): New.
18542
18543 2007-01-02 Ian Lance Taylor <iant@google.com>
18544
18545 * c-common.c (c_common_truthvalue_conversion): When warning about
18546 using an assignment as a truth value, set TREE_NO_WARNING.
18547
18548 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18549
18550 PR middle-end/7651
18551 * c.opt (Wold-style-declaration): New.
18552 * doc/invoke.texi (C-only Warning Options): New.
18553 (Wold-style-declaration): Document it.
18554 (Wextra): Enabled by -Wextra.
18555 * c-opts.c (c_common_post_options): Enabled by -Wextra.
18556 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
18557 -Wold-style-declaration.
18558
18559 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18560
18561 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18562 * cfgbuild.c (find_basic_blocks): Likewise.
18563 * cfgrtl.c (rtl_create_basic_block): Likewise.
18564 * function.c (temp_slots_at_level): Likewise.
18565 * reg-stack.c (stack_regs_mentioned): Likewise.
18566 * regclass.c (allocate_reg_info): Likewise.
18567 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18568 set_bb_for_stmt, move_block_to_fn): Likewise.
18569 * tree-complex.c (tree_lower_complex): Likewise.
18570 * vec.h (VEC_safe_grow_cleared): New.
18571
18572 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
18573
18574 * c-common.c (c_common_nodes_and_builtins): Since variants of
18575 void_type_node get built before it is given a name, we need to
18576 give those variants the name, too.
18577 (complete_array_type): We need to work with the canonical main
18578 type of the array, from which we will build the qualified version.
18579 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
18580 * print-tree.c (print_node): Display canonical type information
18581 for each type.
18582 * stor-layout.c (layout_type): When we don't know the
18583 alignment of a type for which we're building an array, we end up
18584 guessing wrong, so make the type require structural equality.
18585 * tree.c (make_node_stat): When we build a new type, it is its
18586 own canonical type.
18587 (build_type_attribute_qual_variant): When building an attribute
18588 variant, its canonical type is the non-attribute variant. However,
18589 if the attributes are target-dependent and they differ, we need to
18590 use structural equality checks for this type.
18591 (build_qualified_type): A qualified type is not equivalent to its
18592 unqualified variant; set the canonical type appropriately.
18593 (build_distinct_type_copy): When building a distinct type from
18594 another type, the new type is its own canonical type.
18595 (build_variant_type_copy): When building a new type variant, we
18596 assume that it is equivalent to the original type.
18597 (build_pointer_type_for_mode): When building a pointer type, also
18598 build a canonical type pointer.
18599 (build_reference_type_for_mode): When building a reference type,
18600 also build a canonical type reference.
18601 (build_index_type): When we can't hash an index type (e.g.,
18602 because its maximum value is negative), the index type requires
18603 structural equality tests.
18604 (build_array_type): Build the canonical form of an array type.
18605 (build_function_type): Function types require structural equality,
18606 because they contain default arguments, attributes, etc.
18607 (build_method_type_directly): Ditto for method types.
18608 (build_offset_type): Build the canonical offset type.
18609 (build_complex_type): Build the canonical vector type.
18610 (make_vector_type): Build the canonical vector type.
18611 * tree.h (TYPE_CANONICAL): New.
18612 (TYPE_STRUCTURAL_EQUALITY_P): New.
18613 (SET_TYPE_STRUCTURAL_EQUALITY): New.
18614 (struct tree_type): Added "canonical" field.
18615 * params.h (VERIFY_CANONICAL_TYPES): New.
18616 * doc/c-tree.texi (TYPE_CANONICAL): Document.
18617 (TYPE_STRUCTURAL_EQUALITY_P): Document.
18618 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
18619 * doc/invoke.texi (verify-canonical-types): Document --param
18620 parameter for verifying canonical types.
18621
18622 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18623
18624 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
18625 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
18626 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
18627 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
18628 tm_file.
18629 * config/rs6000/e500.h: New.
18630 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
18631 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
18632 Remove.
18633 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
18634 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
18635 TARGET_E500_DOUBLE): Remove.
18636 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
18637 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
18638 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
18639 * config/rs6000/rs6000.c (rs6000_override_options): Use
18640 CHECK_E500_OPTIONS.
18641
18642 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18643
18644 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
18645 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
18646 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
18647 rs6000_emit_cmove): Don't check TARGET_E500.
18648 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
18649 sordered): Don't check TARGET_E500.
18650
18651 2007-01-01 Eric Christopher <echristo@apple.com>
18652
18653 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
18654 HARD_REGISTER_NUM_P.
18655
18656 2007-01-01 Roger Sayle <roger@eyesopen.com>
18657
18658 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
18659 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
18660 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
18661 eq/ne Y".
18662
18663 2007-01-01 Mike Stump <mrs@apple.com>
18664
18665 * configure.ac: Remove support for building with Apple's gcc-3.1.
18666
18667 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18668
18669 PR middle-end/30311
18670 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
18671 REG is a hard register. Do not modify REG before calling
18672 subreg_nregs.
18673 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
18674 multiple of the size of YMODE for certain lowpart cases.
18675
18676 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18677
18678 PR middle-end/30253
18679 * gimplify (voidify_wrapper_expr): Update for
18680 GIMPLE_MODIFY_STMT.
18681
18682 2007-01-01 Andreas Schwab <schwab@suse.de>
18683
18684 PR target/29166
18685 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
18686 save of BR0 in extra_spill_size instead of spill_size.
18687 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
18688 area.
18689 (ia64_expand_epilogue): Restore BR0 from its new location.
18690
18691 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18692
18693 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
18694 Use a temporary variable if the left hand side is not a gimple
18695 register.
18696
18697 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18698
18699 * gimplify.c (gimplify_return_expr): Make the temporary variable
18700 for the return expression, a gimple register variable.
18701
18702 2007-01-01 Jan Hubicka <jh@suse.cz>
18703
18704 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
18705 INSN_LIST.
18706
18707 2007-01-01 Mike Stump <mrs@apple.com>
18708
18709 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
18710 .literal16.
18711 * config/darwin.c (machopic_select_rtx_section): Use
18712 HAVE_GAS_LITERAL16.
18713 (darwin_mergeable_constant_section): Likewise.
18714 * configure: Regenerate.
18715 * config.in: Regenerate.
18716
18717 2007-01-01 Jan Hubicka <jh@suse.cz>
18718 Andrew Pinski <pinskia@gmail.com>
18719
18720 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
18721 before starting IPA passes.