elf.h (TARGET_ASM_DESTRUCTOR): Define.
[gcc.git] / gcc / ChangeLog
1 2007-03-20 Mark Mitchell <mark@codesourcery.com>
2
3 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
5 (arm_elf_asm_constructor): Use it.
6 (arm_elf_asm_destructor): New function.
7
8 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
9
10 * jump.c (mark_jump_label): Treat SEQUENCE specially.
11
12 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
13
14 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
15
16 2007-03-19 Andrew Haley <aph@redhat.com>
17
18 PR tree-optimization/31264
19 * tree-vrp.c (register_edge_assert_for_1): Don't look though
20 VIEW_CONVERT_EXPRs.
21
22 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
23
24 PR rtl-optimization/30907
25 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
26 (fwprop_init): Always call loop_optimizer_initialize.
27 (fwprop_done): Always call loop_optimizer_finalize.
28 (fwprop): We always have loop info now.
29 (gate_fwprop_addr): Remove.
30 (pass_fwprop_addr): Use gate_fwprop as gate.
31
32 PR rtl-optimization/30841
33 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
34 df_chain_alloc): Call df_reorganize_refs unconditionally.
35 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
36 refs_organized to refs_organized_size.
37 (df_ref_create_structure): Use refs_organized_size instead of
38 bitmap_size if refs had been organized, and keep refs_organized_size
39 up-to-date.
40 * df.h (struct df_ref_info): Change refs_organized to
41 refs_organized_size.
42 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
43 bitmap_size.
44
45 2007-03-19 Mark Mitchell <mark@codesourcery.com>
46
47 * except.c (output_function_exception_table): Do not reference the
48 EH personality routine for functions that do not require an
49 exception table.
50
51 2007-03-20 Jakub Jelinek <jakub@redhat.com>
52
53 PR c/30762
54 * c-typeck.c (convert_for_assignment): Call comptypes for
55 RECORD_TYPE or UNION_TYPE.
56
57 PR inline-asm/30505
58 * reload1.c (reload): Do invalid ASM checking after
59 cleanup_subreg_operands.
60
61 2007-03-19 Jeff Law <law@redhat.com>
62
63 * tree-cfg.c (find_taken_edge): Tighten conditions for
64 optimizing computed gotos.
65
66 2007-03-19 Michael Matz <matz@suse.de>
67
68 * builtins.c (expand_builtin_sync_operation,
69 expand_builtin_compare_and_swap,
70 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
71 correctly.
72
73 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
74 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
75 for operand 3.
76
77 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
78
79 * doc/tm.texi: Add brackets around the return type of
80 TARGET_SECONDARY_RELOAD.
81
82 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
83 Richard Guenther <rguenther@suse.de>
84
85 PR tree-optimization/31254
86 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
87 Use handled_component_p () where appropriate. Continue
88 propagating into the rhs if we propagated into an INDIRECT_REF
89 on the lhs.
90
91 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
92
93 * config/s390/s390.md (op_type attribute): RRR instruction type added.
94 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
95 (xde, xdee): Mode attributes adjusted to support DFP modes.
96 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
97 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
98 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
99 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
100 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
101 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
102 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
103 numbers.
104 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
105 "movsf"): Insn definitions removed.
106 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
107 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
108 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
109 definitions added.
110 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
111 "reload_in<mode>", "reload_out<mode>"): Expander added.
112 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
113 Expander removed.
114
115 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
116
117 * config/s390/s390.md: Only non-functional changes. Renamed
118 FPR mode macro to BFP all over the file.
119
120 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
121
122 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
123 (op_type attribute): RRF instruction type added.
124 (fT0): New mode attribute.
125 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
126 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
127 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
128 no secondary memory is needed when moving DFmode values between GPRs
129 and FPRs.
130
131 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
132
133 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
134 inverted and documentation adjusted.
135 ("mhard-dfp", "msoft-dfp"): New options.
136 * config/s390/s390.c (s390_handle_arch_option): New architecture
137 switch: z9-ec.
138 (override_options): Sanity checks for the new options added.
139 * config.gcc: New architecture switch: z9-ec.
140 * config/s390/s390.h (processor_flags): PF_DFP added.
141 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
142 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
143 when the bit is NOT set so remove it from the defaults.
144
145 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
146
147 * genemit.c (main): Print include statement for dfp.h.
148 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
149 is not available.
150
151 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
152
153 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
154
155 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
156
157 PR target/31022
158 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
159 instead of PATTERN.
160
161 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
162
163 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
164 attr_length_call, output_call, output_indirect_call): Cleanup
165 formatting of targetm calls.
166
167 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
168
169 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
170
171 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
172
173 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
174 reservation, bypass and anti-bypass descriptions for these instructions.
175 Update move patterns.
176 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
177 TYPE_FPSTORE.
178
179 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
180
181 * tree-vect-transform.c (get_initial_def_for_induction): Replace
182 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
183 (get_initial_def_for_reduction): Likewise.
184
185 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
186
187 Fix PR tree-optimization/29922
188 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
189 (get_representative): Removed.
190 (value_dies_in_block_x): Update for rvuse removal.
191 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
192 (compute_antic_aux): Handle when PHI nodes appear in
193 non-single-successors.
194 (dump_bitmap_of_names): Removed.
195 (compute_antic_safe): Renamed and removed rvuse calculation.
196 Calculate only antic safe.
197 (insert_into_preds_of_block): Remove assert.
198 (execute_pre): Update for renamed functions.
199 (defer_or_phi_translate_block): New function.
200
201 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
202
203 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
204 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
205 typos.
206 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
207 Follow spelling conventions.
208
209 * tree-data-ref.h: Remove the prototype for analyze_array.
210
211 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
212
213 PR tree-optimization/31041
214 * tree-vect-transform.c (get_initial_def_for_induction): Call
215 force_gimple_operand.
216
217 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
218
219 * ipa-type-escape.c (look_for_casts) : Revert code to use
220 handled_component_p due to ada test a-numaux.adb.
221
222 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
223
224 * final.c (final_scan_insn): Alter the condition of a
225 conditional trap if we have nonstandard CC.
226
227 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
228
229 * configure.ac: Remove excess quoting from asm line 0 test.
230 * configure: Rebuilt.
231
232 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
233
234 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
235 * c-common.c (convert_and_check): Move warning logic to...
236 (warnings_for_convert_and_check): ...here. Define.
237 * c-common.h (warnings_for_convert_and_check): Declare.
238
239 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
240
241 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
242 (output_call): Likewise.
243
244 2007-03-16 Richard Sandiford <richard@codesourcery.com>
245
246 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
247
248 2007-03-16 Richard Sandiford <richard@codesourcery.com>
249
250 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
251
252 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
253
254 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
255 opteron, athlon-64 and athlon-fx processor_alias_table entries.
256
257 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
258
259 PR tree-optimization/31183
260 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
261 Use double_int instead of unsigned int for representing access_strides.
262 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
263
264 2007-03-16 Richard Guenther <rguenther@suse.de>
265
266 PR tree-optimization/31146
267 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
268 to allow recursion of forward_propagate_addr_expr.
269 (forward_propagate_addr_into_variable_array_index): Likewise.
270 (forward_propagate_addr_expr): Likewise.
271 (tree_ssa_forward_propagate_single_use_vars): Likewise.
272 (forward_propagate_addr_expr_1): Recurse on simple copies
273 instead of propagating into them. Do so for useless conversions
274 as well.
275 (forward_propagate_addr_expr): Clean up unused statements after
276 recursion.
277
278 2007-03-16 Richard Guenther <rguenther@suse.de>
279
280 * builtins.c (expand_builtin_cexpi): Use the right argument
281 for the expansion via cexp.
282
283 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
284
285 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
286 * configure: Rebuilt.
287
288 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
289
290 PR debug/29906
291 * dwarf2out.c (force_type_die): Adjust comment.
292 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
293
294 2007-03-15 DJ Delorie <dj@redhat.com>
295
296 * config/frv/predicates.md (minmax_operator): Don't check operands
297 here.
298
299 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
300
301 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
302 Update constant estimates of number of iterations.
303 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
304 argument renamed to "realistic".
305 (compute_estimated_nb_iterations): Removed.
306 (record_niter_bound): New function.
307 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
308 call record_nonwrapping_iv with upper = false.
309 (infer_loop_bounds_from_signedness): Pass upper argument to
310 record_nonwrapping_iv.
311 (estimate_numbers_of_iterations_loop): Do not call
312 compute_estimated_nb_iterations. Record estimate based on profile
313 information. Initialize the constant estimates of number of
314 iterations.
315 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
316 estimates.
317 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
318 number of iterations is too small.
319 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
320 (EST_NOT_AVAILABLE): Removed.
321 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
322 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
323 fields.
324
325 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
326
327 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
328 Handle NE_EXPR guards.
329
330 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
331
332 PR c++/24924
333 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
334 Set also -pedantic-errors by default for the preprocessor unless
335 -fpermissive is given.
336
337 2007-03-15 Richard Guenther <rguenther@suse.de>
338
339 PR middle-end/29719
340 PR middle-end/31161
341 * builtins.c (expand_builtin_cexpi): As a fallback if we
342 don't have builtins for sincos or cexp create a function
343 declaration for cexp and expand to a call to that.
344 (expand_builtin_int_roundingfn): Always fall
345 back to floor/ceil and its variants even if they may be
346 not available.
347
348 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
349
350 PR middle-end/31159
351 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
352 jump tables, move the call to delete_dead_jumptables from here...
353 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
354 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
355 don't allow merging of blocks that try_redirect_by_replacing_jump
356 also does not handle when not optimizing.
357
358 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
359 Francois-Xavier Coudert <coudert@clipper.ens.fr>
360
361 * config/i386/i386.md (x86_sahf_1): Correctly handle
362 HAVE_AS_IX86_SAHF.
363
364 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
365
366 PR target/31167
367 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
368 x86_64_general_operand as operand[2] predicate. Remove "iF"
369 from operand constraints and use "e" constraint instead.
370 (*subti3_1, *subti3_1 splitter): Ditto.
371 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
372 operand[1] predicate.
373
374 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
375
376 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
377 arrays, multiply the access strides by the size of the sub-array.
378 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
379
380 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
381
382 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
383 the configured assembler supports the sahf mnemonic.
384 * configure: Regenerate.
385 * config.in: Regenerate.
386
387 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
388 emit "sahf" or ".byte\t0x9e" as asm template.
389
390 2007-03-14 Michael Meissner <michael.meissner@amd.com>
391
392 PR 31018
393 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
394 option to replace hard coded TARGET_xxx in md file.
395 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
396 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
397 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
398 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
399 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
400 (X86_TUNE_NOT_VECTORMODE): Ditto.
401 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
402 (TUNE_AVOID_VECTOR_DECODE): Ditto.
403 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
404 (TUNE_SLOW_IMUL_IMM8): Ditto.
405 (TUNE_MOVE_M1_VIA_OR): Ditto.
406 (TUNE_NOT_UNPAIRABLE): Ditto.
407 (TUNE_NOT_VECTORMODE): Ditto.
408
409 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
410 options.
411
412 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
413 tuning options instead of hard coded TARGET_xxx.
414 (fix ssemode peephole2's): Ditto.
415 (imul peephole2's): Ditto.
416 (movsi_or): Ditto.
417 (movdi_or_rex64): Ditto.
418 (move peephole2): Ditto.
419 (not peephole2's): Ditto.
420
421 2007-03-14 Dirk Mueller <dmueller@suse.de>
422
423 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
424 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
425 * c-parser.c (c_parser_if_body): Always add an empty statement in case
426 of empty body.
427 * c-parser.c (c_parser_do_statement): Warn about empty body in
428 do/while statement.
429 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
430 * doc/invoke.texi (-Wempty-body): Update documentation.
431
432 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
433
434 PR c/21438
435 * c-common.h (warn_for_div_by_zero): Declare.
436 * c-common.c (warn_for_div_by_zero): Define.
437 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
438 warning.
439
440 2007-03-14 Richard Sandiford <richard@codesourcery.com>
441
442 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
443 to PREFIX and STANDARD_PREFIX.
444
445 2007-03-14 Richard Sandiford <richard@codesourcery.com>
446 Phil Edwards <phil@codesourcery.com>
447
448 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
449 (__gthread_once_t): Remove busy field for RTPs.
450 (__GTHREAD_ONCE_INIT): Update accordingly.
451
452 2007-03-14 Richard Sandiford <richard@codesourcery.com>
453
454 * doc/invoke.texi: Document VxWorks options.
455
456 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
457
458 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
459
460 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
461
462 PR tree-optimization/30590
463 * tree-nrv.c (tree_nrv): Check for the partial update of the
464 return value.
465
466 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
467
468 * flags.h (flag_random_seed): Remove declaration, in favor of...
469 * toplev.h (get_random_seed, set_random_seed): ... these.
470 * tree.c (get_file_function_name): Use the former.
471 * opts.c (common_handle_option): Use the latter.
472 * toplev.c
473
474 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
475
476 PR middle-end/31127
477 * cse.c (cse_find_path): Do not bail out if a basic block that
478 we already visited now becomes part of a path that starts at a
479 different basic block. Just disallow this, to make sure we
480 visit each basic block at most once.
481
482 2007-03-13 Jan Hubicka <jh@suse.cz>
483
484 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
485 when profile esitmate is present, calls with very low frequency are
486 cold.
487
488 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
489
490 PR tree-optimization/30730
491 PR tree-optimization/26900
492 * tree-ssa-loop-niter.c: Include gmp.h.
493 (bounds): New type.
494 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
495 split_to_var_and_offset, determine_value_range,
496 bound_difference_of_offsetted_base, refine_bounds_using_guard,
497 bound_difference, bounds_add, bounds_negate,
498 number_of_iterations_ne_max, dump_affine_iv): New functions.
499 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
500 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
501 difference of initial and final value of control iv to validate
502 results.
503 (number_of_iterations_cond): Add loop parameter. Determine bounds
504 on the difference of the extremes of the control iv. Add dumps.
505 (expand_simple_operations): Handle phi nodes.
506 (simplify_using_initial_conditions): Do not record used conditions.
507 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
508 Do not set additional_info.
509 (implies_nonnegative_p, implies_ge_p): Removed.
510 (derive_constant_upper_bound): Do not use parameter `additional'.
511 (record_estimate): Parameter `additional' removed. Parameter
512 `i_bound' added. Do not call derive_constant_upper_bound.
513 (record_nonwrapping_iv): Use derive_constant_upper_bound to
514 bound the number of iterations estimate.
515 (estimate_numbers_of_iterations_loop): Pass the estimate from
516 the number of iterations analysis to record_estimate.
517 * tree.h (multiple_of_p): Declare.
518 * tree-scalar-evolution.c (expression_expensive_p): Removed.
519 (scev_const_prop): Do not check expression_expensive_p.
520 * fold-const.c (multiple_of_p): Exported.
521 * double-int.c (double_int_mask): Exported.
522 * double-int.h (double_int_mask): Declare.
523 * tree-flow.h (struct tree_niter_desc): Removed additional_info
524 field. Added max field.
525
526 2007-03-13 David Taylor <taylor@candd.org>
527
528 PR driver/12448:
529 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
530 default -MQ.
531
532 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
533
534 PR target/31123
535 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
536 two unamed patterns.
537
538 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
539
540 * config/i386/i386.opt (mcx16, msahf): New options.
541 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
542 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
543
544 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
545 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
546 Output -mcx16 and -msahf options when corresponding bit is set.
547
548 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
549 and -msahf options.
550
551 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
552
553 * configure.ac: Test for assembler tolerance to # 0 "".
554 * configure, config.in: Rebuilt.
555 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
556
557 2007-03-13 Geoffrey Keating <geoffk@apple.com>
558
559 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
560
561 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
562 (handle_syscall): Handle direct system calls.
563 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
564
565 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
566
567 * doc/invoke.texi: Fix cpp.info cross-reference.
568 * doc/passes.texi: Fix gcc.info cross-reference.
569
570 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
571
572 PR tree-optimization/30835
573 * lambda-code.c (can_convert_to_perfect_nest): Check whether
574 bb_for_stmt is not NULL before accessing it.
575
576 2007-03-12 Joseph Myers <joseph@codesourcery.com>
577
578 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
579 some multilibs.
580
581 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
582
583 PR 30635
584 * doc/install.texi: Document --enable-stage1-languages
585
586 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
587
588 * tree-pass.h (pass_into_cfg_layout_mode,
589 pass_outof_cfg_layout_mode): Declare.
590 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
591 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
592 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
593 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
594
595 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
596
597 * c-decl.c (warn_variable_length_array): New function.
598 Refactored from grokdeclarator to handle warn_vla
599 and handle unnamed array case.
600 (grokdeclarator): Refactored VLA warning case.
601 * c.opt (Wvla): New flag.
602 * doc/invoke.texi (Wvla): New warning.
603
604 2007-03-12 Richard Henderson <rth@redhat.com>
605
606 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
607 (TARGET_SECTION_TYPE_FLAGS): New.
608
609 2007-03-12 Richard Henderson <rth@redhat.com>
610
611 * config/darwin.c (machopic_reloc_rw_mask): New.
612 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
613 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
614
615 2007-03-12 Mark Mitchell <mark@codesourcery.com>
616
617 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
618 * cppdefault.h (cpp_PREFIX): Document.
619 (cpp_PREFIX_len): Likewise.
620 (cpp_EXEC_PREFIX): New variable.
621 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
622 * c-incpath.c (add_standard_paths): Correct logic for relocating
623 paths within prefix.
624
625 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
626
627 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
628 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
629 mode macro.
630 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
631 fix_truncdfdi_sse using SSEMODEF mode macro.
632 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
633 fix_truncdfsi_sse using SSEMODEF mode macro.
634 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
635 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
636
637 2007-03-12 Richard Sandiford <richard@codesourcery.com>
638
639 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
640 elfos.h to tm_file.
641
642 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
643
644 * tree.h : Add multiple_of_p declaration.
645 * fold-const.c (multiple_of_p): Make multiple_of_p public.
646 * ipa-type-escape.c (results_of_malloc): Redundant.
647 (visited_stmts): New. Visited stmt for walk_use_def_chains.
648 (cast_type): Extended with new members.
649 (check_cast): Returns cast_type.
650 (cast): New structure for data of walk_use_def_chains.
651 (is_malloc_result, is_cast_from_non_pointer_1,
652 is_cast_from_non_pointer,
653 is_array_access_through_pointer_and_index): New functions.
654 (look_for_casts): Returns cast types.
655 (check_call): Returns void.
656 (okay_pointer_operation): Use support of pointer plus index,
657 pointer plus constant and allow all multiplications.
658
659 2007-03-11 Richard Guenther <rguenther@suse.de>
660
661 PR tree-optimization/31115
662 * tree-vrp.c (extract_range_from_binary_expr): Make sure
663 the shift count is positive and non-anti-range for RSHIFT_EXPR.
664 A shift count of zero is not special as with *_DIV_EXPR.
665 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
666 direction.
667
668 2007-03-11 Ian Lance Taylor <iant@google.com>
669
670 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
671 the *_DIV_EXPR codes correctly with overflow infinities.
672
673 2007-03-11 Ira Rosen <irar@il.ibm.com>
674
675 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
676 indicate success/failure of the analysis. Add negation to subtrahend
677 in case of subtraction. Fail if both operands contain constants.
678 (create_data_ref): Fail if analyze_offset fails.
679
680 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
681
682 * config/i386/i386.md (frndintxf2): Rename to ...
683 (rintxf2): ... this. Remove expander having same name.
684 (rintsf2, rintdf2): Implement using SSEMODEF macro.
685 (roundsf2, rounddf2): Ditto.
686 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
687 (lround<mode>di2, lround<mode>si2): Ditto.
688
689 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
690
691 * lower-subreg.c: Include except.h.
692 (decompose_multiword_subregs): Verify that the only control flow
693 insns we can split are loads to multi-words pseudos.
694 Handle breaking such blocks after splitting, instead of calling
695 find_many_sub_basic_blocks.
696
697 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
698 on the new basic block. Add a lengthy comment explaining why we
699 thought this was necessary.
700 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
701
702 2007-03-10 Mark Mitchell <mark@codesourcery.com>
703
704 PR c++/30924
705 * tree.c (walk_type_fields): Recurse into the element type of
706 ARRAY_TYPEs if there is a pointer set.
707
708 2007-03-10 Dirk Mueller <dmueller@suse.de>
709
710 * c-common.c (warn_logical_operator): Fix condition.
711
712 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
713
714 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
715 quotation mark.
716 * config/darwin.c (machopic_select_section): Remove superfluous
717 argument in call to categorize_decl_for_section. Remove unused
718 variable shlib.
719
720 2007-03-10 Joseph Myers <joseph@codesourcery.com>
721
722 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
723 defined.
724 * configure: Regenerate.
725
726 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
727
728 PR target/31101
729 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
730 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
731 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
732 Add LABEL_NUSES to emitted label.
733 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
734 branch probability value to emitted jump insn.
735 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
736 Do not check life information and do not re-arrange input operands
737 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
738
739 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
740
741 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
742 the change of decode_asm_operands.
743
744 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
745
746 * mode-switching.c (create_pre_exit): Skip blockage insn.
747
748 2007-03-09 Diego Novillo <dnovillo@redhat.com>
749
750 * tree-pass.h (TODO_update_smt_usage): Remove.
751 Update all users.
752 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
753 argument SOME.
754 Update all users.
755
756 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
757
758 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
759 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
760 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
761 SOM target.
762
763 2007-03-09 Geoffrey Keating <geoffk@apple.com>
764
765 * gcc.c: Document %{, in big comment at top.
766 (input_suffix_matches): Remove special handling for .s and
767 .S.
768 (input_spec_matches): New.
769 (handle_braces): Handle %{,.
770 (validate_switches): ',' indicates a value which is not a switch.
771 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
772 to detect assembler input.
773 * config/i386/sol2.h (CPP_SPEC): Likewise.
774 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
775 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
776 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
777 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
778 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
779 -m64 causes deployment target to default to 10.5.
780 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
781
782 2007-03-09 Richard Henderson <rth@redhat.com>
783
784 PR target/26090
785 * target.h (targetm.asm.out.reloc_rw_mask): New.
786 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
787 (TARGET_ASM_OUT): Use it.
788 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
789 * varasm.c (categorize_decl_for_section): Remove shlib argument;
790 use the new reloc_rw_mask target hook instead.
791 (default_section_type_flags_1): Merge into...
792 (default_section_type_flags): ... here.
793 (decl_readonly_section_1): Merge into...
794 (decl_readonly_section): ... here.
795 (default_elf_select_section_1): Merge into...
796 (default_elf_select_section): ... here.
797 (default_unique_section_1): Merge into...
798 (default_unique_section): ... here.
799 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
800 (default_select_rtx_section): Use it.
801 (default_elf_select_rtx_section): Likewise.
802 * output.h: Update to match.
803 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
804 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
805 (TARGET_ASM_RELOC_RW_MASK): New.
806 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
807 to categorize_decl_for_section.
808 (x86_64_elf_unique_section): Likewise.
809 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
810 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
811 (TARGET_ASM_RELOC_RW_MASK): New.
812 * config/ia64/ia64.c (ia64_rwreloc_select_section,
813 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
814 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
815 (TARGET_RWRELOC): Remove.
816 (ia64_section_type_flags): Adjust call to default_section_type_flags.
817 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
818 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
819 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
820 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
821 (rs6000_xcoff_select_section): Use decl_readonly_section.
822 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
823 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
824 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
825 (TARGET_SECTION_TYPE_FLAGS): Remove.
826 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
827
828 2007-03-09 Roger Sayle <roger@eyesopen.com>
829
830 * fold-const.c (fold_comparison): Remove compile-time evaluation of
831 complex constant equality/inequality comparisons for here.
832 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
833 known at compile-time or can be simplified to a scalar comparison.
834 (fold_relational_const): Move compile-time evaluation of complex
835 constant equality/inequality comparisons to here.
836
837 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
838
839 PR rtl-optimization/30643
840 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
841 dest_addr_elt.
842 (fold_rtx): Recurse, like before 2006-11-03.
843
844 2007-03-09 DJ Delorie <dj@redhat.com>
845
846 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
847 m32c-pragma.o.
848
849 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
850
851 PR tree-optimization/30375
852 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
853 LHS of statements is not the same.
854 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
855
856 2007-03-09 Chao-ying Fu <fu@mips.com>
857
858 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
859 REV 2.
860 * doc/invoke.texi (-mdspr2): Document new option.
861 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
862 New unspec for DSP REV 2.
863 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
864 these instructions are extended in DSP REV 2.
865 (mips-dspr2.md): Include.
866 * config/mips/mips.opt (mdspr2): New option.
867 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
868 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
869 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
870 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
871 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
872 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
873 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
874 and 2 builtins.
875 (bdesc_map): Add one field of unsupported_target_flags.
876 (bdesc_arrays): Update entries to have extra fields. Add
877 dsp_32only_bdesc.
878 (mips_init_builtins): Initialize new function types.
879 Check unsupported_target_fileds to filter out builtins.
880 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
881 TARGET_DSPR2.
882 (ASM_SPEC): Pass mdspr2 to the assembler.
883 * config/mips/mips-dspr2.md: New file.
884
885 2007-03-09 Sa Liu <saliu@de.ibm.com>
886
887 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
888
889 2007-03-09 Ian Lance Taylor <iant@google.com>
890
891 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
892 argument) like -Wstrict-overflow=2.
893 * doc/invoke.texi (Warning Options): Update documentation.
894
895 2007-03-09 Dirk Mueller <dmueller@suse.de>
896
897 PR c++/17946
898 * doc/invoke.texi (-Wlogical-op): Document.
899 * common.opt (-Wlogical-op): New.
900 * c-common.h (warn_logical_operator): Declare.
901 * c-common.c (warn_logical_operator): Define.
902 * c-typeck.c (parser_build_binary_op): Call
903 warn_logical_operator.
904
905 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
906
907 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
908 * final.c (final_scan_insn): Test for non-"" file name.
909
910 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
911
912 * doc/loop.texi: Document the Omega linear constraints solver.
913 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
914 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
915 omega-hash-table-size, omega-max-keys, and
916 omega-eliminate-redundant-constraints.
917 * tree-pass.h (pass_check_data_deps): Declared.
918 * omega.c: New.
919 * omega.h: New.
920 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
921 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
922 pass_check_data_deps): New.
923 * tree-data-ref.c (init_data_ref): Remove declaration.
924 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
925 (analyze_array): Renamed init_array_ref, move up initializations.
926 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
927 Removed arguments that are set to NULL.
928 (analyze_indirect_ref): Correct indentation, correct call to
929 init_pointer_ref.
930 (object_analysis): Call init_array_ref instead of analyze_array.
931 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
932 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
933 of DR_ACCESS_FNS_ADDR.
934 (init_omega_eq_with_af, omega_extract_distance_vectors,
935 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
936 ddr_consistent_p): New.
937 (compute_affine_dependence): Check consistency of ddrs when
938 flag_check_data_deps is passed.
939 (analyze_all_data_dependences): Uncomment.
940 (tree_check_data_deps): New.
941 * tree-data-ref.h: Include omega.h.
942 (DR_ACCESS_FNS_ADDR): Removed.
943 (data_dependence_relation): Add inner_loop.
944 (DDR_INNER_LOOP): New.
945 * common.opt (fcheck-data-deps): New.
946 * tree-flow.h (tree_check_data_deps): Declare.
947 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
948 (OBJS-common): Depend on omega.o.
949 (omega.o): Define.
950 * passes.c (pass_check_data_deps): Scheduled.
951 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
952 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
953 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
954 PARAM_VECT_MAX_VERSION_CHECKS,
955 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
956
957 2007-03-09 Richard Guenther <rguenther@suse.de>
958
959 PR tree-optimization/30904
960 PR middle-end/31058
961 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
962 the same way as *_DIV_EXPR.
963
964 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
965
966 * recog.c (decode_asm_operands): No mixed declarations and code.
967
968 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
969
970 * rtl.def (ASM_INPUT): Add location.
971 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
972 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
973 (decode_asm_operands): Add loc operand.
974 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
975 * stmt.c (expand_asm): Rename to...
976 (expand_asm_loc): ... this. Add locus argument. Pass it on to
977 gen_rtx_ASM_INPUT_loc.
978 (expand_asm_expr): Adjust.
979 * recog.c (decode_asm_operands): Add loc operand.
980 (check_asm_operands, extract_insn): Adjust.
981 * reload1.c (maybe_fix_stack_asms): Likewise.
982 * final.c (asm_insn_count): Likewise.
983 (final_scan_insn): Output # line before and after asm.
984
985 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
986
987 * tree-ssa-structalias.c (variable_info): Remove
988 finished_solution.
989 (new_var_info): Ditto.
990 (shared_bitmap_info_t): New structure.
991 (shared_bitmap_table): New variable.
992 (shared_bitmap_hash): New function.
993 (shared_bitmap_eq): Ditto
994 (shared_bitmap_lookup): Ditto.
995 (shared_bitmap_add): Ditto.
996 (merge_smts_into): Change to take bitmap directly.
997 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
998 (init_alias_vars): Init shared bitmap hashtable.
999 (delete_points_to_sets): Delete shared bitmap hashtable.
1000 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
1001 is_aliased removal as a change that was still necessary was
1002 deleted.
1003
1004 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
1005
1006 * config/i386/i386.h (override_options): Conditionally disable
1007 x86_sahf for 64bit targets only.
1008
1009 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1010
1011 PR C/31072
1012 * c-decl.c (merge_decls): Don't call make_var_volatile.
1013 * varasm.c (make_var_volatile): Remove.
1014 * output.h (make_var_volatile): Remove.
1015
1016 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
1017
1018 PR tree-optimization/31085
1019 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
1020
1021 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1022
1023 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
1024 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
1025 ATTR_CONST_NOTHROW_LIST.
1026
1027 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1028 FIX_TRUNC_EXPR.
1029
1030 2007-03-08 Diego Novillo <dnovillo@redhat.com>
1031
1032 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
1033
1034 2007-03-08 Geoffrey Keating <geoffk@apple.com>
1035
1036 PR 31013
1037 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
1038 is declared.
1039 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
1040 passed, use shared libgcc.
1041
1042 2007-03-08 Roger Sayle <roger@eyesopen.com>
1043
1044 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
1045 instead of calling build2 with a GIMPLE_MODIFY_STMT.
1046 (honor_protect_cleanup_actions, lower_try_finally_switch):
1047 Likewise.
1048 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
1049 ifc_temp_var): Likewise.
1050 * tree-inline.c (setup_one_parameter): Likewise.
1051 * tree-mudflap.c (mf_decl_cache_locals,
1052 mf_build_check_statement_for): Likewise.
1053 * tree-nested.c (init_tmp_var, save_tmp_var,
1054 finalize_nesting_tree_1): Likewise.
1055 * tree-outof-ssa.c (insert_copy_on_edge,
1056 insert_backedge_copies): Likewise.
1057 * tree-profile.c (tree_gen_edge_profiler,
1058 tree_gen_ic_profiler): Likewise.
1059 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1060 * tree-sra.c (sra_build_assignment): Likewise.
1061 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1062 * tree-ssa-math-opts.c (insert_reciprocals,
1063 execute_cse_sincos_1): Likewise.
1064 * tree-tailcall.c (adjust_accumulator_values,
1065 adjust_return_value): Likewise.
1066 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1067 * tree-vect-transform.c (vect_create_data_ref_ptr,
1068 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1069 vect_create_epilog_for_reduction, vectorizable_reduction,
1070 vectorizable_call, vectorizable_conversion,
1071 vectorizable_assignment, vectorizable_operation,
1072 vectorizable_type_demotion, vect_gen_widened_results_half,
1073 vect_permute_store_chain, vectorizable_store,
1074 vect_setup_realignment, vect_permute_load_chain,
1075 vectorizable_load, vectorizable_condition,
1076 vect_create_cond_for_align_checks): Likewise.
1077 * tree-vrp.c (build_assert_expr_for): Likewise.
1078
1079 2007-03-08 Ian Lance Taylor <iant@google.com>
1080
1081 * tree-vrp.c: Include "intl.h".
1082 (usable_range_p): New static function.
1083 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1084 overflowed values, juts set *strict_overflow_p.
1085 (compare_values): Only return -2 if one of the operands is not a
1086 constant.
1087 (compare_ranges): Call usable_range_p.
1088 (compare_range_with_value): Likewise.
1089 (vrp_evaluate_conditional_warnv): Rename from
1090 vrp_evaluate_conditional. Make static. Change all callers.
1091 (vrp_evaluate_conditional): New function.
1092 (simplify_div_or_mod_using_ranges): Issue warning about reliance
1093 on signed overflow.
1094 (simplify_abs_using_ranges): Likewise.
1095 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1096 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1097 within_stmt parameter.
1098 * tree-ssa-propagate.c (fold_predicate_in): Update call to
1099 vrp_evaluate_conditional.
1100 * tree-ssa-threadedge.c
1101 (record_temporary_equivalences_from_stmts_at_dest): Change
1102 simplify parameter to take a second tree parameter.
1103 (simplify_control_stmt_condition): Likewise.
1104 (thread_across_edge): Likewise.
1105 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1106 (thread_across_edge): Likewise.
1107 * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1108
1109 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
1110
1111 * config/i386/i386.h (TARGET_SAHF): New define.
1112 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1113 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1114 (x86_sahf): New global variable.
1115 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
1116 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
1117 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
1118 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
1119 for 64-bit.
1120 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1121 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1122 when expanding fcomi/sahf based tests.
1123 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1124 expanding sahf based alternative. Emit sahf based sequence when
1125 optimizing for code size.
1126 * config/i386/i386.md (x86_sahf_1): Do not disable for
1127 TARGET_64BIT, enable for TARGET_SAHF.
1128
1129 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
1130
1131 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1132 spurious whitespace from error message.
1133
1134 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
1135
1136 PR c++/30852
1137 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1138
1139 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
1140
1141 * c-decl.c (grokdeclarator): Disable warnings for anonymous
1142 bitfields.
1143 * tree-sra.c (instantiate_element): Propagate disabled warnings
1144 from the element itself to the created variable.
1145
1146 2007-03-07 Richard Henderson <rth@redhat.com>
1147
1148 PR target/30848
1149 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1150 silently fix up the stack in the case of a missing register.
1151
1152 2007-03-07 Paul Brook <paul@codesourcery.com>
1153
1154 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1155
1156 2007-03-07 Joseph Myers <joseph@codesourcery.com>
1157
1158 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1159 New.
1160 (phase1_vrs): Use them.
1161 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1162 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1163 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1164 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1165 __gnu_Unwind_Restore_WMMXC if required.
1166 (_Unwind_VRS_Pop): Implement iWMMXt support.
1167 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1168 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1169 gnu_Unwind_Save_WMMXC): Define.
1170
1171 2007-03-07 Richard Sandiford <richard@codesourcery.com>
1172
1173 * config/vxworks.h (vxworks_override_options): Declare.
1174 (VXWORKS_OVERRIDE_OPTIONS): Use it.
1175 * config/vxworks.c: Include target.h and toplev.h.
1176 (vxworks_override_options): New function.
1177 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
1178
1179 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
1180
1181 * config/s390/s390.c (override_options): Don't emit an error when
1182 -mstack-size is used without providing -mstack-guard.
1183 (s390_emit_prologue): Choose stack_guard value automatically if not
1184 provided via command line.
1185 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
1186
1187 2007-03-07 Richard Sandiford <richard@codesourcery.com>
1188
1189 * config/i386/i386.c (output_set_got): Add a GOT initialization
1190 sequence for VxWorks PIC.
1191 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
1192 around labels as well as symbols. Use gotoff_operand instead
1193 of local_symbolic_operand.
1194 (legitimize_pic_address): Use gotoff_operand instead of
1195 local_symbolic_operand. Use @GOT accesses for labels as
1196 well as symbols.
1197 (ix86_output_addr_diff_elt): Use PC-relative rather than
1198 GP-relative offsets for VxWorks PIC.
1199 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
1200 no_new_pseudos. Check whether the returned register is op0.
1201 * config/i386/i386.md (tablejump): Use PC-relative rather than
1202 GP-relative offsets for VxWorks PIC.
1203 * config/i386/predicates.md (gotoff_operand): New predicate.
1204
1205 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1206
1207 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
1208 before defining.
1209 * config/vxworks-dummy.h: New file.
1210 * config/i386/i386.h: Include it.
1211
1212 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
1213
1214 * dwarf2out.c (is_inlined_entry_point): New
1215 (add_high_low_attributes): Emit DW_AT_entry_pc along with
1216 DW_AT_ranges if the first subblock is the entry point.
1217
1218 2007-03-06 David Daney <ddaney@avtrex.com>
1219
1220 * doc/install.texi (mips-*-*): Change recommended binutils
1221 version.
1222
1223 2007-03-06 Anatoly Sokolov <aesok@post.ru>
1224
1225 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
1226 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
1227 devices.
1228 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1229 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1230
1231 2007-03-06 Jan Hubicka <jh@suse.cz>
1232
1233 * errors.h (warning, error, fatal, internal_error): Mark as cold.
1234 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
1235 are hot.
1236 (probably_cold_bb_p): Cold functions are cold.
1237 (probably_never_executed_bb_p): Cold functions are cold.
1238 (tree_bb_level_predictions): Predict calls to cold functions as not
1239 taken.
1240 (compute_function_frequency): Check hot/cold attributes.
1241 * function.h (function_frequency): Update comments.
1242 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
1243 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
1244 (c_common_att): Add cold and hot.
1245
1246 * doc/extend.texi (hot,cold attributes): Document.
1247
1248 2007-03-06 Andrew Haley <aph@redhat.com>
1249
1250 * function.c (expand_function_end): Move blockage to just after we
1251 emit the label for the naked return from the function.
1252
1253 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1254
1255 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
1256 before redefining.
1257
1258 2007-03-06 Jan Hubicka <jh@suse.cz>
1259
1260 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
1261 loaded for constant large models. Non-large 64bit PIC can do.
1262 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
1263 * cmodel.h: Add LARGE PIC.
1264 * i386.md (UNSPEC_PLTOFF): New.
1265 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
1266 needed.
1267 (*call_1_rex64): Disable for large models.
1268 (*call_1_rex64_large): New.
1269 (*call_value_1_rex64): Disable for large models.
1270 (*call_value_1_rex64_large): New.
1271 (set_rip_rex4): New.
1272 (set_got_offset_rex64): New.
1273 * predicates.md (constant_call_address_operand): For large model
1274 constant calls are not possible.
1275 * i386-protos.h (construct_plt_address): Declare.
1276 * i386.c (override_options): Accept large models.
1277 (ix86_expand_prologue): Expand large PIC GOT pointer load.
1278 (legitimate_constant_p): Add new UNSPECs.
1279 (legitimate_pic_operand_p): Likewise.
1280 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
1281 (legitimize_pic_address): Do easy RIP relative way for TLS only for
1282 non-large model.
1283 (output_pic_addr_const): Add PLTOFF.
1284 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
1285 (ix86_expand_move): Legitimize pic address when in PIC mode.
1286 (construct_plt_address): New function.
1287 (ix86_expand_call): Offload the address to register and use GOT pointer
1288 for large model.
1289 * invoke.texi (mcmodel=large): Update documentation.
1290
1291 2007-03-06 Richard Henderson <rth@redhat.com>
1292
1293 * config/i386/i386.c (x86_use_leave, x86_push_memory,
1294 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
1295 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
1296 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
1297 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
1298 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
1299 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
1300 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
1301 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
1302 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1303 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1304 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
1305 x86_sse_partial_reg_dependency, x86_sse_split_regs,
1306 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1307 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
1308 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
1309 x86_schedule, x86_use_bt, x86_pad_returns,
1310 x86_use_xchgb): Merge into ...
1311 (ix86_tune_features): ... here. New array.
1312 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1313 x86_bswap): Merge into ...
1314 (ix86_arch_features): ... here. New array.
1315 (x86_3dnow_a): Remove.
1316 (x86_accumulate_outgoing_args): Make static.
1317 (x86_arch_always_fancy_math_387): Make static.
1318 (ix86_tune_mask, ix86_arch_mask): Move ...
1319 (override_options): ... to local variables here. Apply the
1320 appropriate mask to each element of ix86_arch_features and
1321 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
1322 as were done in the old macros.
1323 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
1324 * config/i386/i386.h (x86_use_leave, x86_push_memory,
1325 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
1326 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
1327 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
1328 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
1329 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
1330 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
1331 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
1332 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
1333 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
1334 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1335 x86_accumulate_outgoing_args, x86_prologue_using_move,
1336 x86_epilogue_using_move, x86_decompose_lea,
1337 x86_arch_always_fancy_math_387, x86_shift1,
1338 x86_sse_partial_reg_dependency, x86_sse_split_regs,
1339 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1340 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
1341 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1342 x86_use_incdec, x86_pad_returns, x86_bswap,
1343 x86_partial_flag_reg_stall): Remove.
1344 (enum ix86_tune_indices): New.
1345 (ix86_tune_features): New.
1346 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
1347 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
1348 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
1349 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
1350 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
1351 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
1352 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
1353 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
1354 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
1355 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
1356 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
1357 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
1358 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
1359 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
1360 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
1361 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
1362 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
1363 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
1364 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
1365 TARGET_EXT_80387_CONSTANTS): Use it.
1366 (enum ix86_arch_indices): New.
1367 (ix86_arch_features): New.
1368 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
1369 TARGET_BSWAP): Use it.
1370 (ix86_tune_mask, ix86_arch_mask): Remove.
1371
1372 2007-03-06 Joseph Myers <joseph@codesourcery.com>
1373
1374 PR bootstrap/31020
1375 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
1376 Define using $${sysroot_headers_suffix}.
1377 * configure: Regenerate.
1378 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
1379 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
1380 defined.
1381 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
1382 * gcc.c (print_sysroot_headers_suffix): New.
1383 (option_map): Include --print-sysroot-headers-suffix.
1384 (display_help): Mention -print-sysroot-headers-suffix.
1385 (process_command): Handle -print-sysroot-headers-suffix.
1386 (do_spec_1): Append multilib directory to include-fixed path if
1387 sysroot suffixes in use.
1388 (main): Handle -print-sysroot-headers-suffix.
1389 * Makefile.in (start.encap): Don't depend on xlimits.h
1390 (xlimits.h): Remove.
1391 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
1392 limits.h for each multilib in fixinc_list.
1393 (fixinc_list, s-fixinc_list): New.
1394 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
1395 generate them for each multilib in fixinc_list.
1396 (stmp-fixproto): Use include-fixed. Run fixproto for each
1397 multilib in fixinc_list.
1398 (mostlyclean): Don't remove xlimits.h.
1399 (clean): Remove include-fixed.
1400 (real-install-headers-tar, real-install-headers-cpio,
1401 real-install-headers-cp): Don't copy include, only include-fixed.
1402 (install-mkheaders): Depend on fixinc_list. Don't depend on
1403 xlimits.h. Save limits.h files for each multilib in fixinc_list.
1404 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
1405 SYSTEM_HEADER_DIR setting in mkheaders.conf.
1406
1407 2007-03-06 Jan Hubicka <jh@suse.cz>
1408
1409 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
1410 NANs easilly.
1411
1412 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1413
1414 * configure.ac: Allow tm_file to contain build-directory files.
1415 * configure: Regenerate.
1416 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
1417 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
1418 * config/m68k/print-sysroot-suffix.sh: New file.
1419
1420 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1421
1422 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
1423 of pic_offset_table_rtx if reload_completed.
1424 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
1425 PIC_OFFSET_TABLE_REGNUM.
1426 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
1427 return true.
1428 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
1429 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
1430
1431 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1432
1433 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1434 functions that call eh_return.
1435
1436 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1437
1438 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1439 functions that need a constant pool.
1440
1441 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1442
1443 PR target/28181
1444 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
1445 (m68k_preferred_reload_class): Likewise.
1446 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
1447 (SECONDARY_RELOAD_CLASS): Define.
1448 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
1449 (LIMIT_RELOAD_CLASS): Delete.
1450 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
1451 registers from storing bytes.
1452 (m68k_secondary_reload_class): New function.
1453 (m68k_preferred_reload_class): Likewise.
1454
1455 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1456
1457 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
1458 leaf functions.
1459 (m68k_expand_prologue): Likewise.
1460
1461 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1462
1463 * config/m68k/m68k-protos.h (output_sibcall): Declare.
1464 (mips_expand_epilogue): Add a bool parameter.
1465 (m68k_legitimize_sibcall_address): Declare.
1466 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
1467 (m68k_expand_epilogue): Add a parameter to select between sibling
1468 and normal epilogues. Only generate a return for the latter.
1469 (m68k_ok_for_sibcall_p): New function.
1470 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
1471 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
1472 (sibcall_value, *sibcall_value): Likewise.
1473 (*call, *call_value): Require !SIBLING_CALL_P.
1474 (epilogue): Update call to m68k_expand_epilogue.
1475 (sibcall_epilogue): New pattern.
1476 * config/m68k/predicates.md (const_call_operand): Say that this
1477 predicate applies to sibling calls too.
1478 (sibcall_operand): New predicate.
1479
1480 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1481
1482 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
1483 alternatives as movsi_cf.
1484 (movsf_cf_hard): Add commentary.
1485
1486 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
1487 Richard Sandiford <richard@codesourcery.com>
1488
1489 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
1490 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
1491 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
1492 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
1493 as being live on exit from an interrupt function.
1494 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
1495 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
1496 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
1497 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
1498 (m68k_interrupt_function_p): Globalize.
1499 (m68k_compute_frame_layout): Remove reverse mask code.
1500 (m68k_emit_movem, m68k_set_frame_related): New functions.
1501 (m68k_output_function_prologue): Delete in favor of...
1502 (m68k_expand_prologue): ...this new function.
1503 (m68k_output_function_epilogue): Delete in favor of...
1504 (m68k_expand_epilogue): ...this new function.
1505 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
1506 functions.
1507 (print_operand): Handle %?.
1508 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
1509 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
1510 (prologue, epilogue): New patterns.
1511 (return): Turn into a define_expand.
1512 (*return): New pattern, derived from old "return" pattern. Use rte
1513 rather than rts for interrupt functions. Only use rtd if the pop
1514 count is nonzero.
1515 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
1516 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
1517 (link, *link, unlink, *unlink, load_got): Likewise.
1518
1519 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1520
1521 PR target/23482
1522 PR target/17114
1523 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
1524 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
1525 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
1526 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
1527 and m68k_matches_u_p.
1528 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
1529 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
1530 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
1531 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
1532 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
1533 (REG_STRICT_P): New macro.
1534 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
1535 PCREL_GENERAL_OPERAND_OK.
1536 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
1537 m68k_legitimate_base_reg_p.
1538 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
1539 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
1540 (PIC_CASE_VECTOR_ADDRESS): Update comment.
1541 * config/m68k/m68k.c (m68k_address): New structure.
1542 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
1543 (m68k_decompose_index, m68k_legitimate_constant_address_p)
1544 (m68k_jump_table_ref_p, m68k_decompose_address)
1545 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
1546 (m68k_matches_u_p): New functions.
1547 (print_operand_address): Rewrite to use m68k_decompose_index.
1548
1549 2007-03-05 David Taylor <dtaylor@emc.com>
1550
1551 * gcc.c: Correct copyright date in --version output.
1552
1553 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1554
1555 * pa.md: In unamed move patterns, disparge copies between general
1556 and floating point registers using '?' modifier. Don't include 'f'
1557 constraint for register preferences in DImode, SImode, HImode and
1558 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
1559 Remove constraints for copies between general and floating registers
1560 in soft-float DFmode pattern.
1561 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
1562 floating register.
1563 (movsf): Likewise.
1564
1565 2007-03-05 Mike Stump <mrs@apple.com>
1566
1567 * c-common.c (targetcm): Add.
1568 * c-opts.c (c_common_handle_option): Handle language specific
1569 target options.
1570 * opts.c (handle_option): Verify language for target options, if
1571 any are given.
1572 * opth-gen.awk: Add CL_LANG_ALL.
1573 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
1574 (TARGETCM_INITIALIZER): Add.
1575 * target.h (struct gcc_targetcm): Add.
1576 (targetcm): Add.
1577 * targhooks.c (default_handle_c_option): Add.
1578 * targhooks.h (default_handle_c_option): Add.
1579 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
1580
1581 * config/darwin.opt (iframework): Add.
1582 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
1583 * config/darwin-c.c (handle_c_option): Add.
1584 (TARGET_HANDLE_C_OPTION): Add.
1585 (targetcm): Add.
1586 * doc/invoke.texi (Darwin Options): Add -iframework.
1587
1588 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1589
1590 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
1591 conversion.
1592
1593 2007-03-05 Ian Lance Taylor <iant@google.com>
1594
1595 * c.opt (fgnu89-inline): New option.
1596 * c-opts.c (c_common_post_options): Set default value for
1597 flag_gnu89_inline.
1598 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
1599 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
1600 inline functions.
1601 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
1602 (grokdeclarator, start_function): Likewise.
1603 * c-cppbuiltin.c (c_cpp_builtins): Define either
1604 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
1605 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
1606 (C Dialect Options): Document -fgnu89-inline.
1607 * doc/extend.texi (Function Attributes): Explain what the
1608 gnu_inline attribute does.
1609 * doc/cpp.texi (Common Predefined Macros): Document
1610 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1611
1612 2007-03-05 Ian Lance Taylor <iant@google.com>
1613
1614 PR tree-optimization/31034
1615 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1616 half-range if the other side is an overflow infinity.
1617
1618 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1619
1620 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
1621 (bfin*-linux-uclibc*): New configuration.
1622 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
1623 defining.
1624 * config/bfin/linux.h: New file.
1625 * config/bfin/libgcc-bfin.ver: New file.
1626 * config/bfin/t-bfin-uclinux: New file.
1627 * config/bfin/t-bfin-linux: New file.
1628 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
1629 (TARGET_OS_CPP_BUILTINS): New macro.
1630
1631 2007-03-05 Richard Guenther <rguenther@suse.de>
1632
1633 * fold-const.c (fold_binary): Remove duplicate folding
1634 of comparison of non-null ADDR_EXPR against null.
1635
1636 2007-03-05 Richard Guenther <rguenther@suse.de>
1637 Dorit Nuzman <dorit@il.ibm.com>
1638
1639 PR tree-optimization/26420
1640 * tree-vectorizer.c (vectorize_loops): Bail out early if there
1641 are no loops in the function. Only print the number of
1642 vectorized loops if it is greater than zero or we are supposed
1643 to print information about unvectorized loops.
1644
1645 2007-03-05 Revital Eres <eres@il.ibm.com>
1646
1647 * gcc.dg/var-expand1.c: New test.
1648 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
1649 when an accumulator is expanded.
1650
1651 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1652
1653 PR other/30465
1654 * c-common.c (convert_and_check): Don't give warnings for
1655 conversion if 'expr' already overflowed.
1656
1657 2007-03-04 Roger Sayle <roger@eyesopen.com>
1658
1659 PR middle-end/30744
1660 * fold-const.c (fold_comparison): Enforce type consistency when
1661 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
1662
1663 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
1664
1665 * tree-ssa-address.c (create_mem_ref): Do not put an expression
1666 containing a cast to the base of TARGET_MEM_REF.
1667
1668 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
1669
1670 * tree.c (tree_contains_struct_check_failed): Remove spurious
1671 whitespace from error message.
1672
1673 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
1674
1675 PR target/30406
1676 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1677 instead of precision.
1678
1679 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
1680 Nathan Sidwell <nathan@codesourcery.com>
1681
1682 * emit-rtl.c (find_auto_inc): New.
1683 (try_split): recreate REG_INC notes,
1684 Use regular for loops rather than whiles.
1685
1686 2007-03-03 Andreas Schwab <schwab@suse.de>
1687
1688 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1689 * configure: Regenerate.
1690
1691 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1692
1693 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1694 flag_rounding_math, not flag_unsafe_math_optimizations.
1695
1696 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1697 fold_build2.
1698 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1699 alpha_fold_vector_minmax): Likewise.
1700 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1701 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1702
1703 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1704
1705 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1706 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1707 if the lhs has side-effects.
1708 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1709
1710 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1711
1712 * config/i386/i386.h (TUNEMASK): Remove define.
1713 (ARCHMASK): Remove define.
1714 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1715 Use ix86_arch_mask variable instead of ARCHMASK.
1716 * config/i386/i386.c (override_options): Ditto.
1717 (standard_80387_constant_p): Ditto.
1718
1719 2007-03-02 Ian Lance Taylor <iant@google.com>
1720
1721 Used signed infinities in VRP.
1722 * tree-vrp.c (uses_overflow_infinity): New static function.
1723 (supports_overflow_infinity): New static function.
1724 (make_overflow_infinity): New static function.
1725 (negative_overflow_infinity): New static function.
1726 (positive_overflow_infinity): New static function.
1727 (is_negative_overflow_infinity): New static function.
1728 (is_positive_overflow_infinity): New static function.
1729 (is_overflow_infinity): New static function.
1730 (overflow_infinity_range_p): New static function.
1731 (compare_values_warnv): New function split out of compare_values.
1732 (compare_value): Call it.
1733 (set_value_range_to_nonnegative): Add overflow_infinity
1734 parameter. Change caller.
1735 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1736 Change callers.
1737 (vrp_expr_computes_nonzero): Likewise.
1738 (compare_ranges, compare_range_with_value): Likewise.
1739 (compare_name_with_value, compare_names): Likewise.
1740 (vrp_evaluate_conditional): Likewise.
1741 (set_value_range): Handle infinity
1742 (vrp_operand_equal_p, operand_less_p): Likewise.
1743 (extract_range_from_assert): Likewise.
1744 (vrp_int_const_binop): Likewise.
1745 (extract_range_from_binary_expr): Likewise.
1746 (extract_range_from_unary_expr): Likewise.
1747 (extract_range_from_comparison): Likewise.
1748 (extract_range_from_expr): Likewise.
1749 (dump_value_range): Likewise.
1750 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1751 (test_for_singularity): Likewise.
1752 (vrp_int_const_binop): Remove inline qualifier.
1753 (adjust_range_with_scev): Add comment.
1754 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1755
1756 2007-03-02 Diego Novillo <dnovillo@redhat.com>
1757
1758 * tree-ssa-structalias.c (could_have_pointers): Tidy.
1759 (get_constraint_for): Likewise.
1760 (do_structure_copy): Likewise.
1761 (find_func_aliases): Fix references to MODIFY_EXPR.
1762 (intra_create_variable_infos): Tidy.
1763 * tree-ssa-operands.c (add_virtual_operand): Add argument
1764 IS_CALL_SITE.
1765 When adding members of alias sets, if IS_CALL_SITE is true and
1766 the symbol is not call-clobbered, skip it.
1767 Adjust all callers.
1768
1769 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1770
1771 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1772 entry by means of emit_insn_at_entry.
1773
1774 2007-03-02 Richard Henderson <rth@redhat.com>
1775
1776 * expr.h (promoted_input_arg): Remove decl.
1777 * function.c (promoted_input_arg): Merge into ...
1778 * combine.c (setup_incoming_promotions): ... only caller.
1779 Rearrange to avoid double loop.
1780
1781 2007-03-02 Ben Elliston <bje@au.ibm.com>
1782 Peter Bergner <bergner@vnet.ibm.com>
1783 Janis Johnson <janis187@us.ibm.com>
1784
1785 * config/rs6000/dfp.md: New file.
1786 * config/rs6000/rs6000.md: Include dfp.md.
1787 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1788 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1789 and TDmode decimal float modes in FP registers.
1790 (num_insns_constant): Likewise.
1791 (rs6000_legitimate_offset_address_p): Likewise.
1792 (rs6000_legitimize_address): Likewise.
1793 (rs6000_legitimize_reload_address): Likewise.
1794 (rs6000_legitimate_address): Likewise.
1795 (rs6000_emit_move): Likewise.
1796 (function_arg_boundary): Likewise.
1797 (function_arg_advance): Likewise.
1798 (rs6000_darwin64_record_arg_recurse): Likewise.
1799 (function_arg): Likewise.
1800 (rs6000_gimplify_va_arg): Likewise.
1801 (rs6000_split_multireg_move): Likewise.
1802 (rs6000_output_function_epilogue): Likewise.
1803 (rs6000_output_function_epilogue): Likewise.
1804 (rs6000_register_move_cost): Likewise.
1805 (rs6000_function_value): Likewise.
1806 (rs6000_libcall_value): Likewise.
1807
1808 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1809
1810 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
1811
1812 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1813
1814 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
1815 Use $MULTIDIR to choose between the kernel and RTP headers,
1816 and use $WIND_BASE and $WIND_USR to locate them.
1817
1818 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1819
1820 * config/i386/i386.c (override_options): Put initialization of
1821 ix86_tune_mask and ix86_arch_mask to the correct place.
1822
1823 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1824 Michael Meissner <michael.meissner@amd.com>
1825
1826 PR target/31019
1827 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
1828 (ARCHMASK): Define.
1829 (TARGET_CMOVE): Use ARCHMASK.
1830 (TARGET_CMPXCHG): Ditto.
1831 (TARGET_CMPXCHG8B): Ditto.
1832 (TARGET_XADD): Ditto.
1833 (TARGET_BSWAP): Ditto.
1834 * config/i386/i386.c (ix86_tune_mask): New global variable.
1835 (ix86_arch_mask): Ditto.
1836 (override_options): Initialize ix86_tune_mask and
1837 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
1838 target_flags.
1839
1840 2007-03-02 Ben Elliston <bje@au.ibm.com>
1841
1842 PR 30992
1843 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
1844
1845 2007-03-02 Joseph Myers <joseph@codesourcery.com>
1846
1847 * target.h (init_dwarf_reg_sizes_extra): New target hook.
1848 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
1849 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
1850 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
1851 hook.
1852 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
1853 rs6000_init_dwarf_reg_sizes_extra): New.
1854 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
1855 SPE register high parts.
1856
1857 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
1858
1859 * Makefile.in: Add install-pdf target as
1860 copied from automake v1.10 rules.
1861 * configure.ac: Add install-pdf to target list.
1862 * configure: Regenerate.
1863
1864 2007-03-01 Paul Brook <paul@codesourcery.com>
1865
1866 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1867 modes to LDRD for DImode.
1868 (output_move_double): Fixup out of range ldrd/strd.
1869 (vfp_secondary_reload_class): Rename...
1870 (coproc_secondary_reload_class): ... to this. Add wb argument.
1871 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1872 coproc_secondary_reload_class for CLASS_IWMMXT.
1873 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1874 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1875
1876 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1877
1878 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
1879 factor by the estimated number of iterations.
1880 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
1881 prefetch latency.
1882
1883 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
1884 decode_caches_intel, detect_caches_intel): New functions.
1885 (host_detect_local_cpu): Use detect_caches_amd and
1886 detect_caches_intel.
1887
1888 2007-03-01 Richard Henderson <rth@redhat.com>
1889
1890 * expr.c (emit_move_complex_push): Export.
1891 (emit_move_complex_parts): Split out from ...
1892 (emit_move_complex): ... here.
1893 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
1894 * config/i386/i386.md (movcdi): New.
1895
1896 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
1897
1898 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
1899 size of mode1 to check for tieable modes in MMX case.
1900
1901 2007-03-01 Richard Sandiford <richard@codesourcery.com>
1902
1903 * Makefile.in (rtlanal.o): Depend on tree.h.
1904 * rtl.h (offset_within_section_p, split_const): Declare.
1905 * rtlanal.c: Include tree.h.
1906 (offset_within_block_p): New function, taken from
1907 mips_offset_within_object_p.
1908 (split_const): New function, taken from mips_split_const.
1909 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
1910 Declare.
1911 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
1912 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
1913 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
1914 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1915 (m68k_illegitimate_symbolic_constant_p): New function.
1916 * config/m68k/m68k.md (movsi): Remove misleading predicates.
1917 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
1918 symbolic constant that might be outside the symbol's section,
1919 move the symbol first and then add the offset.
1920 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
1921 Override.
1922 * config/mips/mips.c (mips_split_const): Delete.
1923 (mips_offset_within_object_p): Delete.
1924 (mips_symbolic_constant_p): Use offset_within_section_p and
1925 split_const instead of mips_offset_within_object_p and
1926 mips_split_const.
1927 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
1928 (mips_legitimize_const_move, print_operand_reloc)
1929 (mips_dangerous_for_la25_p): Use split_const instead of
1930 mips_split_const.
1931
1932 2007-02-28 Eric Christopher <echristo@apple.com>
1933
1934 * Makefile.in (install-include-dir): Don't rm -rf include.
1935
1936 2007-02-28 Richard Guenther <rguenther@suse.de>
1937
1938 PR middle-end/30364
1939 * fold-const.c (fold_binary): Do not associate expressions
1940 with more than one variable for integer types that do not wrap.
1941
1942 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
1943
1944 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
1945 Delete, and replace with...
1946 (fold_builtin_call_array): This. Update callers to use it.
1947 * fold-const.c (fold_build_call_list): Delete, and replace with...
1948 (fold_build_call_array): This.
1949 (fold_build_call_list_initializer): Delete, and replace with...
1950 (fold_build_call_array_initializer): This.
1951 * tree.h: Update declarations to reflect above changes.
1952
1953 * c-typeck.c (build_function_call): Store converted arguments
1954 in a stack-allocated array instead of building a list.
1955 (convert_arguments): Store arguments in the array passed in as an
1956 argument, and return the actual number of arguments.
1957 * c-format.c: (check_function_format): Pass arguments in an
1958 array instead of a list.
1959 * c-common.c (check_function_nonnull): Likewise.
1960 (check_function_sentinel): Likewise.
1961 (check_function_arguments): Likewise.
1962 * c-common.h: Update declarations to reflect above changes.
1963
1964 2007-02-28 Jan Hubicka <jh@suse.cz>
1965
1966 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
1967 PRED_NEGATIVE_RETURN): Update outcomes.
1968
1969 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
1970
1971 * calls.c (emit_library_call_value_1): Handle partial registers
1972 correctly when building up CALL_INSN_FUNCTION_USAGE.
1973
1974 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1975
1976 * pa/predicates.md (move_src_operand): Allow zero for mode.
1977 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1978 move pattern.
1979
1980 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
1981
1982 PR target/30970
1983 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
1984 *movv2df_internal): Enable pattern only for valid operand
1985 combinations.
1986 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
1987 tie only 128bit modes. For MMX registers, tie only 64bit modes.
1988
1989 2007-02-27 Mike Stump <mrs@apple.com>
1990
1991 * config/darwin-crt3.c: Avoid compilation when compiling for a
1992 kext multilib.
1993
1994 2007-02-27 Joseph Myers <joseph@codesourcery.com>
1995
1996 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
1997 FIXED_INCLUDE_DIR.
1998 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
1999 for fixed headers and limits.h.
2000 (install-include-dir, install-headers-tar, install-headers-cpio,
2001 install-headers-cp, real-install-headers-tar,
2002 real-install-headers-cpio, real-install-headers-cp): Handle
2003 include-fixed as well as include.
2004 (install-mkheaders): Don't install files that go only in include
2005 not include-fixed.
2006 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
2007 from GCC_INCLUDE_DIR.
2008 * gcc.c (process_command): Remove special -BstageN/ handling.
2009 (do_spec_1): Add include-fixed directories.
2010
2011 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
2012
2013 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
2014 _smulsi3_highpart.
2015 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
2016 New functions.
2017 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
2018 patterns.
2019
2020 2007-02-27 Mark Mitchell <mark@codesourcery.com>
2021
2022 * c-common.c (get_priority): Add check for
2023 SUPPORTS_INIT_PRIORITY.
2024
2025 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
2026
2027 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
2028
2029 * config/bfin/bfin.c: Include "cfglayout.h".
2030 (MAX_LSETUP_DISTANCE): New macro.
2031 (struct loop_info): New members incoming, incoming_src and
2032 incoming_dest. Delete member predecessor.
2033 (length_for_loop): New function.
2034 (bfin_optimize_loop): Handle more different loop structures.
2035 (bfin_discover_loop): Rework detection of predecessor blocks by
2036 examining incoming edges.
2037 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
2038 bfin_reorg_loops.
2039 (bfin_reorder_loops): New function.
2040 (bfin_reorg_loops): Use these three new functions.
2041
2042 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
2043 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
2044 (CONSTRAINT_LEN): Add entry for 'q'.
2045 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
2046 Add 'q' constraints.
2047 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
2048 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
2049
2050 * config/bfin/bfin.md (add_with_carry): New pattern.
2051 (s_or_u, su_optab, su_modifier): New code macros/attrs.
2052 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
2053 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
2054 support unsigned multiplies too. Removed incorrect commutativity from
2055 operand 1 constraint where appropriate.
2056 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
2057 patterns.
2058 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
2059 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2060 New patterns.
2061 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2062 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2063 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2064 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2065 usmulhisi_hh_huh): New patterns.
2066
2067 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2068 lshifthi3): Fix output template to use half reg for operand 2.
2069
2070 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2071 instead of R2.
2072
2073 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2074
2075 2007-02-27 Andreas Schwab <schwab@suse.de>
2076
2077 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2078
2079 2007-02-27 Jan Hubicka <jh@suse.cz>
2080
2081 * predict.c (last_basic_block_p): Remove.
2082 (tree_estimate_probability): Update return heuristic for commonized
2083 return blocks.
2084
2085 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
2086
2087 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2088
2089 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
2090
2091 * doc/include/gcc-common.texi (versionsubtitle): New macro.
2092 * doc/cpp.texi: Standardize title page.
2093 * doc/cppinternals.texi: Likewise.
2094 * doc/gcc.texi: Standardize title page, remove version number
2095 from copyright page.
2096 * doc/gccint.texi: Likewise.
2097 * doc/install.texi: Standardize title page, add table of
2098 contents.
2099
2100 2007-02-26 Jan Hubicka <jh@suse.cz>
2101
2102 * predict.def: Set outcomes according to more recent results.
2103 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2104 Remove dead predictors.
2105 * predict.c (return_prediction): Fix pasto.
2106
2107 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
2108
2109 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2110 change; avoid a memory leak when returning early.
2111
2112 2007-02-26 Mark Mitchell <mark@codesourcery.com>
2113
2114 * c-decl.c (static_ctors): Move to c-common.c.
2115 (static_dtors): Likewise.
2116 (finish_function): Use c_record_cdtor_fn.
2117 (build_cdtor): Move to c-common.c.
2118 (c_write_global_declarations): Use c_build_cdtor_fns.
2119 * c-common.h (static_ctors): Declare.
2120 (static_dtors): Likewise.
2121 (c_record_cdtor_fn): Likewise.
2122 (c_build_cdtor_fns): Likewise.
2123 * c-common.c (static_ctors): New variable.
2124 (static_dtors): Likewise.
2125 (c_record_cdtor_fn): New function.
2126 (build_cdtor): Move from c-decl.c
2127 (c_build_cdtor_fns): New function.
2128
2129 * output.h (assemble_addr_to_section): Declare.
2130 (get_cdtor_priority_section): Likewise.
2131 * varasm.c (assemble_addr_to_section): New function.
2132 (get_cdtor_priority_section): Likewise.
2133 (default_named_section_asm_out_destructor): Use them.
2134 (destor_dtor_section_asm_out_destructor): Likewise.
2135 (default_named_section_asm_out_constructor): Likewise.
2136 (default_ctor_section_asm_out_constructor): Likewise.
2137 * config.gcc (*-*-vxworks*): Include vxworks.o.
2138 * config/t-vxworks (vxworks.o): New target.
2139 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2140 (TARGET_ASM_CONSTRUCTOR): Define.
2141 (TARGET_ASM_DESTRUCTOR): Likewise.
2142 (vxworks_asm_out_constructor): Declare.
2143 (vxworks_asm_out_destructor): Likewise.
2144
2145 * c-common.c (get_priority): Check that we have not just an
2146 INTEGER_CST, but an integer constant with integeral type.
2147
2148 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
2149
2150 PR tree-optimization/30938
2151 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2152 use &dt[nargs-1] instead of &dt[nargs] in the call to
2153 vect_is_simple_use().
2154
2155 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
2156
2157 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2158 from register elimination as PRE_MODIFY / POST_MODIFY increments.
2159 Do not attempt to handle MEM inside auto-inc expressions.
2160 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2161 of a register modified by an auto-inc expression. However, do handle
2162 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2163 (elimination_effects): Prohibit elimination of a register modified
2164 by an auto-inc expression. Disable register elimination rules whose
2165 target register is modified by an auto-inc expression with variable
2166 increment.
2167
2168 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
2169
2170 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2171 off-by-one error.
2172 (array_at_struct_end_p): New function.
2173 (idx_infer_loop_bounds): Use it.
2174 (estimate_numbers_of_iterations_loop): Export.
2175 * predict.c (predict_loops): Use estimated_loop_iterations_int.
2176 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
2177 (tree_estimate_probability): Call record_loop_exits.
2178 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
2179 (estimated_loop_iterations, estimated_loop_iterations_int,
2180 estimated_loop_iterations_tree): New functions.
2181 (analyze_siv_subscript_cst_affine,
2182 compute_overlap_steps_for_affine_1_2,
2183 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
2184 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
2185 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
2186 (PRED_LOOP_ITERATIONS_GUESSED): New.
2187 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
2188 * cfgloop.h (estimate_numbers_of_iterations_loop,
2189 estimated_loop_iterations_int): Declare.
2190
2191 2007-02-25 Mark Mitchell <mark@codesourcery.com>
2192
2193 * doc/extend.texi: Document optional priority argument to
2194 constructors and destructors.
2195 * tree.c (init_priority_for_decl): Adjust GTY markers.
2196 (init_ttree): Use priority-info hash functions for
2197 init_priority_for_decl.
2198 (tree_map_eq): Rename to ...
2199 (tree_map_base_eq): ... this.
2200 (tree_map_marked_p): Rename to ...
2201 (tree_map_base_marked_p): ... this.
2202 (tree_map_base_hash): New function.
2203 (decl_init_priority_lookup): Rework.
2204 (decl_fini_priority_lookup): New function.
2205 (decl_priority_info): New function.
2206 (decl_init_priority_insert): Use it.
2207 (decl_fini_priority_insert): Likewise.
2208 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
2209 hierarchy.
2210 (decl_restrict_base_insert): Likewise.
2211 (decl_debug_expr_insert): Likewise.
2212 (decl_value_expr_lookup): Likewise.
2213 (decl_value_expr_insert): Likewise.
2214 * tree.h (priority_type): New type.
2215 (decl_init_priority_lookup): Use priority_type.
2216 (decl_fini_priority_lookup): New function.
2217 (decl_init_priority_insert): Use priority_type.
2218 (decl_fini_priority_insert): New function.
2219 (DECL_HAS_INIT_PRIORITY): Tweak comments.
2220 (DECL_INIT_PRIORITY): Likewise.
2221 (SET_DECL_INIT_PRIORITY): Add comment.
2222 (DECL_FINI_PRIORITY): New macro.
2223 (SET_DECL_FINI_PRIORITY): Likewise.
2224 (DEFAULT_INIT_PRIORITY): Document.
2225 (MAX_INIT_PRIORITY): Likewise.
2226 (MAX_RESERVED_INIT_PRIORITY): Likewise.
2227 (tree_map_base): New type.
2228 (tree_map_base_eq): New function.
2229 (tree_map_base_hash): Likewise.
2230 (tree_map_base_marked_p): Likewise.
2231 (tree_map): Inherit from tree_map_base.
2232 (tree_map_eq): Make it a macro.
2233 (tree_map_marked_p): Likewise.
2234 (tree_int_map): Inherit from tree_map_base.
2235 (tree_int_map_eq): Make it a macro.
2236 (tree_int_map_hash): Likewise.
2237 (tree_int_map_marked_p): Likewise.
2238 (tree_priority_map): New type.
2239 (tree_priority_map_eq): New macro.
2240 (tree_priority_map_hash): Likewise.
2241 (tree_priority_map_marked_p): Likewise.
2242 * varasm.c (emults_decl): Adjust for refactoring of tree_map
2243 hierarchy.
2244 (emutls_common_1): Likewise.
2245 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
2246 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
2247 of tree_map hierarchy.
2248 * tree-cfg.c (move_stmt_r): Likewise.
2249 (new_label_mapper): Likewise.
2250 * c-tree.h (c_expand_body): Move to ...
2251 * c-common.h (c_expand_body): ... here.
2252 * c-decl.c (c_expand_body): Move to ...
2253 * c-common.c (c_expand_body): ... here.
2254 (c_common_attribute_table): Allow 1 argument for the constructor
2255 and destructor attributes.
2256 (get_priority): New function.
2257 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
2258 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
2259
2260 2007-02-24 Jan Hubicka <jh@suse.cz>
2261
2262 PR middle-end/30509
2263 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
2264
2265 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
2266 Jan Hubicka <jh@suse.cz>
2267
2268 PR target/30778
2269 * i386.c (counter_mode): New function.
2270 (expand_set_or_movmem_via_loop): Use it.
2271 (expand_movmem_epilogue): Likewise; fix pasto.
2272 (ix86_expand_movmem): Do emit guard even for constant counts.
2273 (ix86_expand_setmem): Likewise.
2274
2275 2007-02-25 Nick Clifton <nickc@redhat.com>
2276
2277 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
2278 (JUMP_TABLES_IN_TEXT_SECTION): Define.
2279
2280 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
2281
2282 PR target/30770
2283 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
2284 count argument with 0x10, not with 0x16.
2285 (expand_setmem_epilogue): Ditto.
2286
2287 2007-02-24 Mike Stump <mrs@apple.com>
2288
2289 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
2290 symbols.
2291
2292 2007-02-24 Richard Guenther <rguenther@suse.de>
2293
2294 PR middle-end/30951
2295 * fold-const.c (fold_binary): Fold x +- CST op x for
2296 EQ_EXPR and NE_EXPR.
2297
2298 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2299
2300 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
2301
2302 2007-02-24 Jan Hubicka <jh@suse.cz>
2303
2304 * cgraphunit.c (decide_is_function_needed): Honor
2305 -fkeep-inline-functions.
2306
2307 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2308
2309 * builtins.c (fold_builtin_modf): New.
2310 (fold_builtin_2): Use it.
2311
2312 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
2313
2314 * loop-iv.c (implies_p): Detect additional cases where A implies B.
2315 (determine_max_iter): Take additional LOOP arg; all callers changed.
2316 Lose broken logic dealing with PLUS. Try to limit the upper bound by
2317 one using simplifications.
2318 (simplify_using_initial_values): Return if the expression becomes
2319 invalid due to altered regs.
2320
2321 2007-02-23 DJ Delorie <dj@redhat.com>
2322
2323 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
2324
2325 2007-02-23 Mike Stump <mrs@apple.com>
2326
2327 * tlink.c (scan_linker_output): Parse linker messages from
2328 darwin9's linker better.
2329
2330 2007-02-23 Steve Ellcey <sje@cup.hp.com>
2331
2332 PR debug/29614
2333 * varpool.c (varpool_assemble_pending_decls): Set
2334 varpool_last_needed_node to null.
2335
2336 2007-02-23 DJ Delorie <dj@redhat.com>
2337
2338 * config/i386/i386.c (ix86_data_alignment): Don't specify an
2339 alignment bigger than the object file can handle.
2340
2341 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
2342
2343 PR target/30825
2344 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
2345 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
2346 (*movsf_1): Penalize MMX moves.
2347
2348 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
2349
2350 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
2351 2^32-1 or more times unless flag_unsafe_loop_optimizations.
2352
2353 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
2354
2355 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2356
2357 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
2358 (fold_builtin_1): Use them.
2359 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2360 BUILT_IN_SIGNIFICAND.
2361
2362 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
2363
2364 * config/i386/i386.c (bdesc_1arg): Initialize
2365 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
2366 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
2367 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
2368 and IX86_BUILTIN_MOVSLDUP.
2369
2370 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
2371
2372 PR rtl-optimization/30841
2373 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
2374
2375 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2376
2377 * builtins.c (fold_builtin_frexp): New.
2378 (fold_builtin_2): Use it.
2379
2380 2007-02-22 Mark Mitchell <mark@codesourcery.com>
2381
2382 * doc/invoke.texi (Spec Files): Document getenv spec function.
2383
2384 * gcc.c (getenv_spec_function): New function.
2385 (static_spec_functions): Add it.
2386 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
2387 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
2388 header files.
2389
2390 2007-02-22 Michael Matz <matz@suse.de
2391
2392 PR c++/29433
2393 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
2394 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
2395
2396 2007-02-22 Ian Lance Taylor <iant@google.com>
2397
2398 PR debug/30898
2399 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
2400 (mem_loc_descriptor): Call it.
2401
2402 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
2403 Ira Rosen <irar@il.ibm.com>
2404
2405 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
2406
2407 2007-02-22 Ira Rosen <irar@il.ibm.com>
2408
2409 PR tree-optimization/30843
2410 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
2411 stores only after all the group is vectorized.
2412
2413 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
2414
2415 PR tree-optimization/30858
2416 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
2417 in the reduction cycle have a single use in the loop.
2418 * tree-vectorizer.h (relevant): Add documentation.
2419
2420 2007-02-20 Mike Stump <mrs@apple.com>
2421
2422 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
2423 * configure: Regenerate.
2424
2425 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2426
2427 Change the defaults of some parameters and options.
2428 * config/spu/spu-protos.h (spu_optimization_options): Declare.
2429 * config/spu/spu.c (spu_optimization_options): Add.
2430 (spu_override_options): Change params in spu_optimization_options.
2431 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
2432
2433 Register 127 is only 16 byte aligned when used as a frame pointer.
2434 * config/spu/spu-protos.h (spu_init_expanders): Declare.
2435 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
2436 HARD_FRAME_POINTER_REGNUM.
2437 (spu_legitimate_address): Use regno_aligned_for_reload.
2438 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
2439 aligned when frame_pointer_needed is true.
2440 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
2441 to 8 bits.
2442 * config/spu/spu.h (INIT_EXPANDERS): Define.
2443
2444 Make sure shift and rotate instructions have valid immediate operands.
2445 * config/spu/predicates.md (spu_shift_operand): Remove.
2446 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
2447 * config/spu/constraints.md (W, O): Extend range.
2448 * config/spu/spu.md (umask, nmask): Define.
2449 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
2450 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
2451 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
2452 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
2453 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
2454 (lshr<mode>3_reg): Fix rtl description.
2455
2456 Make sure mulhisi immediate operands are valid.
2457 * config/spu/predicates.md (imm_K_operand): Add.
2458 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
2459
2460 Generate constants using fsmbi and andi.
2461 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
2462 (print_operand, spu_split_immediate, classify_immediate,
2463 fsmbi_const_p): Handle IC_FSMBI2.
2464
2465 Correctly handle a CONST_VECTOR containing symbols.
2466 * config/spu/spu.c (print_operand): Handle HIGH correctly.
2467 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
2468 (immediate_load_p): Allow symbols that use 2 instructions to create.
2469 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
2470 with symbols when flag_pic is set.
2471 (const_vector_immediate_p): New.
2472 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
2473 accept a CONST_VECTOR with symbols.
2474 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
2475 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
2476 correctly.
2477 * config/spu/spu.md (high, low): Delete.
2478 (low_<mode>): Define.
2479
2480 Remove INTRmode and INTR_REGNUM, which didn't work.
2481 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
2482 of INTR_REGNUM.
2483 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
2484 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
2485 peephole2 pattern): Don't use INTR or 131.
2486 (movintrcc): Delete.
2487 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
2488 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
2489 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
2490 (UNSPEC_SET_INTR): Add.
2491 * config/spu/spu-modes.def (INTR): Remove.
2492
2493 More accurate warnings about run-time relocations.
2494 * config/spu/spu.c (reloc_diagnostic): Test in_section.
2495
2496 Correctly warn about immediate arguments to specific intrinsics.
2497 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
2498 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
2499 the instruction predicate.
2500
2501 Fix tree check errors with latest update.
2502 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
2503 CALL_EXPR_ARG.
2504 (spu_expand_builtin): Use CALL_EXPR_FN.
2505
2506 Add missing specific intrinsics.
2507 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
2508 si_bislede.
2509 * config/spu/spu_internals.h: Ditto.
2510
2511 Fix incorrect operand modifiers.
2512 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
2513 * config/spu/spu.md (xor<mode>3): Change %S to %J.
2514
2515 Optimize one case of zero_extend of a vec_select.
2516 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
2517
2518 Accept any immediate for hbr.
2519 * config/spu/spu.md (hbr): Change s constraints to i.
2520
2521 2007-02-21 Paul Brook <paul@codesourcery.com>
2522
2523 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
2524 condexec_count when skipping USE and CLOBBER.
2525
2526 2007-02-21 Nick Clifton <nickc@redhat.com>
2527
2528 * common.opt (Warray-bounds): Add Warning attribute.
2529 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
2530 Likewise.
2531 (fsized-zeroes): Add Optimization attribute.
2532 (fsplit-wide-types, ftree-scev-cprop): Likewise.
2533 * c.opt (Wc++0x-compat): Add Warning attribute.
2534
2535 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
2536
2537 PR middle-end/30761
2538 * reload1.c (eliminate_regs_in_insn): In the single_set special
2539 case, attempt to re-recognize the insn before falling back to
2540 having reload fix it up.
2541
2542 2007-02-20 Eric Christopher <echristo@gmail.com>
2543
2544 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
2545 Rewrite accordingly.
2546 (frv_read_iacc_argument): Ditto.
2547 (frv_expand_set_builtin): Take a call instead of arglist, update for
2548 above changes.
2549 (frv_expand_unop_builtin): Ditto.
2550 (frv_expand_binop_builtin): Ditto.
2551 (frv_expand_cut_builtin): Ditto.
2552 (frv_expand_binopimm_builtin): Ditto.
2553 (frv_expand_voidbinop_builtin): Ditto.
2554 (frv_expand_int_void2arg): Ditto.
2555 (frv_expand_prefetches): Ditto.
2556 (frv_expand_voidtriop_builtin): Ditto.
2557 (frv_expand_voidaccop_builtin): Ditto.
2558 (frv_expand_load_builtin): Ditto.
2559 (frv_expand_store_builtin): Ditto.
2560 (frv_expand_mdpackh_builtin): Ditto.
2561 (frv_expand_mclracc_builtin): Ditto.
2562 (frv_expand_mrdacc_builtin): Ditto.
2563 (frv_expand_mwtacc_builtin): Ditto.
2564 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
2565 calls for above.
2566
2567 2007-02-20 Janis Johnson <janis187@us.ibm.com>
2568
2569 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
2570 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
2571 cmpb instruction.
2572 (HAVE_GAS_DFP): Check for assembler support of decimal floating
2573 point instructions.
2574 * configure: Regenerate.
2575 * config.in: Regenerate.
2576 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
2577 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
2578 masks to power6 and power6x and to POWERPC_MASKS.
2579 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2580 _ARCH_PWR6.
2581 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
2582 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
2583 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2584 Access PROTOTYPE as variable, not mask.
2585
2586 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2587
2588 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
2589 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
2590 * combine.c (adjust_for_new_dest): Use it.
2591 * postreload.c (reload_combine): Likewise.
2592
2593 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2594
2595 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
2596 notes on an insn with multiple sets, even if single_set returns
2597 non-NULL for that insn.
2598
2599 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2600
2601 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
2602 scalbn and scalbln.
2603
2604 2007-02-20 Geoffrey Keating <geoffk@apple.com>
2605
2606 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
2607 if user didn't pass it.
2608 * config/i386/darwin.h (CC1_SPEC): Likewise.
2609 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
2610 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
2611 -mmacosx-version-min.
2612
2613 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2614 Uros Bizjak <ubizjak@gmail.com>
2615
2616 * optabs.h (enum optab_index): Add new OTI_scalb.
2617 (scalb_optab): Define corresponding macro.
2618 * optabs.c (init_optabs): Initialize scalb_optab.
2619 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
2620 patterns.
2621 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
2622 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
2623 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
2624 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
2625 flag_unsafe_math_optimizations is set.
2626
2627 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
2628 to implement scalbf, scalb and scalbl built-ins as inline x87
2629 intrinsics.
2630
2631 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2632 DJ Delorie <dj@redhat.com>
2633
2634 PR other/30824
2635 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
2636 (diagnostic_report_diagnostic): ... here, and turn them into real
2637 errors. If warnings are inhibited, no need to do anything.
2638
2639 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
2640
2641 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
2642 better code generation.
2643
2644 2007-02-20 Ben Elliston <bje@au.ibm.com>
2645
2646 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
2647
2648 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
2649
2650 * config/alpha/alpha.c, config/alpha/alpha.md,
2651 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
2652 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
2653 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
2654 config/arm/lib1funcs.asm: Follow spelling conventions.
2655
2656 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
2657 config/fr30/fr30.md, config/i386/i386.h,
2658 config/iq2000/iq2000.h, config/iq2000/predicates.md,
2659 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
2660 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
2661 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
2662 config/rs6000/altivec.md, config/rs6000/rs6000.c,
2663 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
2664 config/sparc/sparc.c, config/sparc/sparc.h,
2665 config/sparc/sparc.md, config/spu/constraints.md,
2666 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
2667 conventions.
2668
2669 2007-02-20 Alan Modra <amodra@bigpond.net.au>
2670
2671 PR target/29943
2672 * varasm.c (use_blocks_for_decl_p): Return false for decls with
2673 alias attribute.
2674
2675 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2676
2677 * doc/invoke.texi (-ftree-lrs): Remove.
2678
2679 2007-02-19 Diego Novillo <dnovillo@redhat.com>
2680
2681 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2682 NULL.
2683
2684 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
2685
2686 * config/ia64/ia64.c (ia64_expand_builtin): Use the
2687 new CALL_EXPR_FN macro for retrieving the function
2688 declaration of the input expression.
2689
2690 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2691
2692 * c.opt (Waddress): New.
2693 * common.opt (Walways-true): Delete.
2694 (Wstring-literal-comparison): Delete.
2695 * doc/invoke.texi (Warning Options): Delete -Walways-true and
2696 -Wstring-literal-comparison. Add -Waddress.
2697 (Waddress): New.
2698 (Walways-true): Delete.
2699 (Wstring-literal-comparison): Delete.
2700 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2701 consistently instead of -Walways-true in example.
2702 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2703 * c-typeck.c (parser_build_binary_op): Replace
2704 -Wstring-literal-comparison and -Walways-true with -Waddress.
2705 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2706 with -Waddress.
2707
2708 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2709
2710 * tree-cfg.c (dump_function_to_file): Be prepared for functions
2711 without DECL_STRUCT_FUNCTION initialized.
2712
2713 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2714
2715 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2716 due to calls to functions taking pointers as parameters.
2717
2718 2007-02-19 Richard Henderson <rth@redhat.com>
2719
2720 PR debug/29558
2721 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2722 in memory.
2723
2724 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
2725
2726 * config/s390/s390.c (s390_call_saved_register_used,
2727 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2728 accessed to the new scheme.
2729
2730 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2731
2732 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2733 (cris_print_index, cris_print_operand, cris_print_operand_address)
2734 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2735 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2736 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2737 GET_CODE () == xxx.
2738 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2739 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2740 GO_IF_LEGITIMATE_ADDRESS): Ditto.
2741 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2742 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2743 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2744 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2745 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2746 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2747 (uminsi3, call, call_value): Ditto.
2748 (define_split: indir_to_reg_split, unnamed): Ditto.
2749
2750 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
2751
2752 PR tree-optimization/30975
2753 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2754 wrong assert.
2755
2756 2007-02-18 Eric Christopher <echristo@gmail.com>
2757
2758 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2759 Remove use of arglist.
2760 (mips_expand_builtin): Remove use of arglist, pass in expr.
2761 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2762 (mips_expand_builtin_movtf): Ditto.
2763 (mips_expand_builtin_compare): Ditto.
2764
2765 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2766
2767 * tree-sra.c (sra_build_assignment): Replace assertion
2768 checking with a comment explaining why it can't be done.
2769
2770 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2771
2772 PR middle-end/30833
2773 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2774 during CALL_EXPR representation conversion.
2775 * tree-ssa-propagate.c (set_rhs): Likewise.
2776
2777 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2778
2779 * tree-sra.c (sra_build_assignment): Disable assertion checking
2780 for now.
2781
2782 2007-02-18 Roger Sayle <roger@eyesopen.com>
2783
2784 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2785 instead of calling build2 with a GIMPLE_MODIFY_STMT.
2786 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2787 Likewise.
2788 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2789 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
2790 gimplify_init_ctor_eval_range, gimple_push_cleanup,
2791 gimplify_omp_for, gimplify_omp_atomic_pipeline,
2792 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2793 force_gimple_operand): Likewise.
2794 * ipa-cp.c (constant_val_insert): Likewise.
2795 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2796 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2797 perfect_nestify): Likewise.
2798 * langhooks.c (lhd_omp_assignment): Likewise.
2799 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2800 lower_copyprivate_clauses, lower_send_clauses,
2801 lower_send_shared_vars, expand_parallel_call,
2802 expand_omp_for_generic, expand_omp_for_static_nochunk,
2803 expand_omp_for_static_chunk, expand_omp_sections,
2804 lower_omp_single_copy, lower_omp_for_lastprivate,
2805 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
2806 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2807 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
2808 Likewise.
2809
2810 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2811
2812 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
2813 config/sh/sh.md: Follow spelling conventions.
2814
2815 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
2816 config/frv/predicates.md: Follow spelling conventions.
2817
2818 * config/m68k/linux-unwind.h: Fix a comment typo.
2819 * target.h: Follow spelling conventions.
2820
2821 2007-02-18 Roger Sayle <roger@eyesopen.com>
2822
2823 PR rtl-optimization/28173
2824 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
2825 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
2826 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
2827 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
2828 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
2829
2830 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2831
2832 * builtins.c (fold_builtin_load_exponent): New.
2833 (fold_builtin_2): Use it.
2834
2835 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
2836
2837 PR rtl-optimization/30773
2838 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
2839 if we fail to attach a REG_EQUIV note.
2840
2841 2007-02-18 David Edelsohn <edelsohn@gnu.org>
2842 Roger Sayle <roger@eyesopen.com>
2843
2844 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
2845
2846 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2847
2848 * calls.c (initialize_argument_information): Pass original EXP
2849 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
2850 code to split complex arguments here, as part of initializing the
2851 ARGS array.
2852 (expand_call): Remove code that builds a list of arguments and
2853 inserts implicit arguments into it. Instead, just count how many
2854 implicit arguments there will be so we can determine the size of
2855 the ARGS array, and let initialize_argument_information do the work.
2856 (split_complex_values): Delete unused function.
2857
2858 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2859
2860 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2861
2862 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2863
2864 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2865 for arg pointer based indexed addressing.
2866
2867 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2868
2869 * config/ia64/ia64.h, config/ia64/ia64.md,
2870 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
2871 spelling conventions.
2872
2873 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2874
2875 * config/m68k/m68k.c (split_di): New.
2876 * config/m68k/m68k-protos.h: Declare split_di.
2877 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
2878 Improve predicate handling and split constant shifts.
2879
2880 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2881
2882 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
2883 parameter for register bitfield operations, general predicates
2884 cleanup
2885
2886 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2887
2888 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
2889 * config/m68k/linux-unwind.h: New file.
2890
2891 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2892
2893 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
2894 config/i386/athlon.md, config/ia64/ia64.md,
2895 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
2896 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
2897 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
2898 tree-ssa-loop-niter.c, tree-vect-analyze.c,
2899 tree-vect-transform.c: Fix comment typos.
2900
2901 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
2902
2903 * sched-deps.c (find_insn_list): Remove.
2904 * sched-int.h: Remove the prototype for find_insn_list.
2905
2906 2007-02-16 Geoffrey Keating <geoffk@apple.com>
2907
2908 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
2909 to linker.
2910 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
2911 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
2912 darwin_rs6000_override_options.
2913 (C_COMMON_OVERRIDE_OPTIONS): Expect
2914 darwin_macosx_version_min to be non-NULL always.
2915 (TARGET_C99_FUNCTIONS): Likewise.
2916 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
2917 (DARWIN_MINVERSION_SPEC): New.
2918 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
2919 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
2920 to cc1*.
2921 (DARWIN_MINVERSION_SPEC): New.
2922 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
2923 value.
2924 * config/darwin-c.c (darwin_cpp_builtins): Expect
2925 darwin_macosx_version_min to be non-NULL always.
2926
2927 * config/rs6000/rs6000.c: Clean up trailing whitespace.
2928
2929 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
2930
2931 * config/i386/i386.h (x86_use_xchgb): New.
2932 (TARGET_USE_XCHGB): New macro.
2933 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
2934 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
2935 Split after reload into bswaphi for shifts of 8.
2936 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
2937 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
2938 or when optimizing for size.
2939
2940 2007-02-16 Richard Guenther <rguenther@suse.de>
2941 Christian Bruel <christian.bruel@st.com>
2942
2943 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
2944 DECLs but prefer SSA_NAMEs over DECLs.
2945
2946 2007-02-16 Richard Guenther <rguenther@suse.de>
2947
2948 * tree-flow-inline.h (single_imm_use_p): Remove.
2949 (zero_imm_uses_p): Likewise.
2950 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
2951 instead of single_imm_use_p.
2952 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
2953 zero_imm_uses_p.
2954
2955 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2956
2957 PR other/27843
2958 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2959 nested double- and backquotes.
2960
2961 2007-02-15 Roger Sayle <roger@eyesopen.com>
2962
2963 PR middle-end/30391
2964 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
2965 should be unreachable.
2966 (build2_stat): Allow construction of MODIFY_EXPR at any time.
2967 For the time being redirect GIMPLE_MODIFY_STMT to the new
2968 (renamed) build_gimple_modify_stmt_stat.
2969 (build2_gimple_stat): Rename to...
2970 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
2971 Always build a GIMPLE_MODIFY_STMT node.
2972 * tree.h (build2_gimple, build2_gimple_stat): Delete.
2973 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
2974 declarations.
2975
2976 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
2977 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
2978 * tree-complex.c (set_component_ssa_name, expand_complex_move,
2979 expand_complex_div_wide): Likewise.
2980 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2981 * tree-ssa-loop-im.c (schedule_sm): Likewise.
2982 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
2983 * tree-ssa-loop-manip.c (create_iv): Likewise.
2984 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
2985 abs_replacement): Likewise.
2986 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
2987 realify_fake_stores): Likewise.
2988
2989 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
2990 node rather than a GIMPLE_MODIFY_STMT node.
2991 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
2992 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
2993 Likewise.
2994 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
2995 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
2996 GIMPLE_MODIFY_STMT.
2997
2998 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2999
3000 PR middle-end/30433
3001 * fold-const.c (fold_comparison): Add back the
3002 folding of constant complex comparisions.
3003
3004 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3005
3006 PR middle-end/30729
3007 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
3008 effects unknown to this function, return early.
3009
3010 2007-02-15 Ian Lance Taylor <iant@google.com>
3011
3012 * lower-subreg.c (move_eh_region_note): New static function.
3013 (resolve_simple_move): Call it.
3014 (decompose_multiword_subregs): Track blocks for which we resolve a
3015 simple move which is also a control flow insn. Pass them to
3016 find_many_sub_basic_blocks.
3017 (pass_lower_subreg): Add TODO_verify_flow.
3018 (pass_lower_subreg2): Likewise.
3019
3020 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3021 Brooks Moses <brooks.moses@codesourcery.com>
3022 Lee Millward <lee.millward@codesourcery.com>
3023
3024 * tree.h (enum tree_code_class): Add tcc_vl_exp.
3025 (VL_EXP_CLASS_P): New.
3026 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
3027 TREE_CODE_LENGTH.
3028 (TREE_OPERAND_CHECK_CODE): Likewise.
3029 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
3030 (TREE_RTL_OPERAND_CHECK): Likewise.
3031 (tree_operand_check_failed): Make second parameter the whole tree
3032 instead of its code. Fixed callers.
3033 (VL_EXP_CHECK): New.
3034 (TREE_OPERAND_LENGTH): New.
3035 (VL_EXP_OPERAND_LENGTH): New.
3036 (CALL_EXPR_FN): New.
3037 (CALL_EXPR_STATIC_CHAIN): New.
3038 (CALL_EXPR_ARGS): New.
3039 (CALL_EXPR_ARG): New.
3040 (call_expr_nargs): New.
3041 (CALL_EXPR_ARGP): New.
3042 (build_nt_call_list): Declare.
3043 (build_vl_exp_stat): Declare.
3044 (build_vl_exp): New.
3045 (build_call_list): Declare.
3046 (build_call_nary): Declare.
3047 (build_call_valist): Declare.
3048 (build_call_array): Declare.
3049 (call_expr_arg): Declare.
3050 (call_expr_argp): Declare.
3051 (call_expr_arglist): Declare.
3052 (fold_build_call_list): Declare.
3053 (fold_build_call_list_initializer): Declare.
3054 (fold_call_expr): Declare to replace fold_builtin.
3055 (fold_builtin_fputs): Update to agree with modified definition.
3056 (fold_builtin_strcpy): Likewise.
3057 (fold_builtin_strncpy): Likewise.
3058 (fold_builtin_memory_chk): Likewise.
3059 (fold_builtin_stxcpy_chk): Likewise.
3060 (fold_builtin_strncpy_chk): Likewise.
3061 (fold_builtin_next_arg): Likewise.
3062 (fold_build_call_expr): Declare.
3063 (fold_builtin_call_list): Declare.
3064 (fold_builtin_call_valist): Declare.
3065 (build_call_expr): Declare.
3066 (validate_arglist): Update to agree with modified definition.
3067 (tree_operand_length): New.
3068 (call_expr_arg_iterator): New.
3069 (init_call_expr_arg_iterator): New.
3070 (next_call_expr_arg): New.
3071 (first_call_expr_arg): New.
3072 (more_call_expr_args_p): New.
3073 (FOR_EACH_CALL_EXPR_ARG): New.
3074
3075 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3076 and tcc_gimple_stmt.
3077 (tree_code_size): Update documentation. Use sizeof (tree) rather
3078 than sizeof (char *).
3079 (tree_size): Likewise. Add case for tcc_vl_exp.
3080 (tree_node_structure): Add case for tcc_vl_exp.
3081 (contains_placeholder_p): Likewise.
3082 (substitute_in_expr): Likewise.
3083 (substitute_placeholder_in_expr): Likewise.
3084 (stabilize_reference_1): Likewise.
3085 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
3086 to diagnose breakage of this interface for constructing CALL_EXPRs.
3087 (build_nt): Add similar assertion here.
3088 (build_nt_call_list): New.
3089 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3090 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3091 TREE_CODE_LENGTH.
3092 (get_callee_fndecl): Use new CALL_EXPR accessors.
3093 (tree_operand_check_failed): Change parameters to pass entire node
3094 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3095 (process_call_operands): New.
3096 (build_vl_exp_stat): New.
3097 (build_call_list): New.
3098 (build_call_nary): New.
3099 (build_call_valist): New.
3100 (build_call_array): New.
3101 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3102 (call_expr_arglist): New.
3103
3104 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3105 tcc_vl_exp instead of a fixed-size tcc_expression.
3106
3107 * doc/c-tree.texi (CALL_EXPR): Document new representation and
3108 accessors for CALL_EXPRs.
3109 (AGGR_INIT_EXPR): Likewise.
3110
3111 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3112 Brooks Moses <brooks.moses@codesourcery.com>
3113 Lee Millward <lee.millward@codesourcery.com>
3114
3115 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3116 (expand_builtin_nonlocal_goto): Change parameter to be entire
3117 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
3118 (expand_builtin_prefetch): Likewise.
3119 (expand_builtin_classify_type): Likewise.
3120 (mathfn_built_in): Return NULL_TREE instead of 0.
3121 (expand_errno_check): Use new CALL_EXPR accessors.
3122 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3123 Return NULL_RTX instead of 0.
3124 (expand_builtin_mathfn_2): Likewise.
3125 (expand_builtin_mathfn_3): Likewise.
3126 (expand_builtin_interclass_mathfn): Likewise.
3127 (expand_builtin_sincos): Likewise.
3128 (expand_builtin_cexpi): Likewise.
3129 (expand_builtin_int_roundingfn): Likewise.
3130 (expand_builtin_int_roundingfn_2): Likewise.
3131 (expand_builtin_pow): Likewise.
3132 (expand_builtin_powi): Likewise.
3133 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3134 of arglist, fixing callers appropriately. Use new CALL_EXPR
3135 accessors and constructors. Return NULL_RTX instead of 0.
3136 (expand_builtin_strstr): Likewise.
3137 (expand_builtin_strchr): Likewise.
3138 (expand_builtin_strrchr): Likewise.
3139 (expand_builtin_strpbrk): Likewise.
3140 (expand_builtin_memcpy): Likewise.
3141 (expand_builtin_mempcpy): Likewise.
3142 (expand_builtin_mempcpy_args): New.
3143 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3144 (expand_builtin_memmove_args): New.
3145 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3146 (expand_movstr): Likewise.
3147 (expand_builtin_strcpy): Likewise.
3148 (expand_builtin_strcpy_args): New.
3149 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3150 (expand_builtin_strncpy): Likewise.
3151 (expand_builtin_memset): Likewise.
3152 (expand_builtin_memset_args): New.
3153 (expand_builtin_bzero): Similarly to expand_builtin_memset.
3154 (expand_builtin_memcmp): Likewise.
3155 (expand_builtin_strcmp): Likewise.
3156 (expand_builtin_strncmp): Likewise.
3157 (expand_builtin_strcat): Likewise.
3158 (expand_builtin_strncat): Likewise.
3159 (expand_builtin_strspn): Likewise.
3160 (expand_builtin_strcspn): Likewise.
3161 (expand_builtin_args_info): Likewise.
3162 (expand_builtin_va_start): Likewise.
3163 (gimplify_va_arg_expr): Likewise.
3164 (expand_builtin_va_end): Likewise.
3165 (expand_builtin_va_copy): Likewise.
3166 (expand_builtin_frame_address): Likewise.
3167 (expand_builtin_alloca): Likewise.
3168 (expand_builtin_bswap): Likewise.
3169 (expand_builtin_unop): Likewise.
3170 (expand_builtin_fputs): Likewise.
3171 (expand_builtin_expect): Likewise.
3172 (expand_builtin_fabs): Likewise.
3173 (expand_builtin_copysign): Likewise.
3174 (expand_builtin_printf): Likewise.
3175 (expand_builtin_fprintf): Likewise.
3176 (expand_builtin_sprintf): Likewise.
3177 (expand_builtin_init_trampoline): Likewise.
3178 (expand_builtin_signbit): Likewise.
3179 (expand_builtin_fork_or_exec): Likewise.
3180 (expand_builtin_sync_operation): Likewise.
3181 (expand_builtin_compare_and_swap): Likewise.
3182 (expand_builtin_lock_test_and_set): Likewise.
3183 (expand_builtin_lock_release): Likewise.
3184 (expand_builtin): Likewise.
3185 (builtin_mathfn_code): Likewise.
3186
3187 (fold_builtin_constant_p): Pass call arguments individually instead
3188 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3189 accessors and constructors. Return NULL_TREE instead of 0.
3190 (fold_builtin_expect): Likewise.
3191 (fold_builtin_classify_type): Likewise.
3192 (fold_builtin_strlen): Likewise.
3193 (fold_builtin_nan): Likewise.
3194 (integer_valued_real_p): Likewise.
3195 (fold_trunc_transparent_mathfn): Likewise.
3196 (fold_fixed_mathfn): Likewise.
3197 (fold_builtin_cabs): Likewise.
3198 (fold_builtin_sqrt): Likewise.
3199 (fold_builtin_cbrt): Likewise.
3200 (fold_builtin_cos): Likewise.
3201 (fold_builtin_cosh): Likewise.
3202 (fold_builtin_tan): Likewise.
3203 (fold_builtin_sincos): Likewise.
3204 (fold_builtin_cexp): Likewise.
3205 (fold_builtin_trunc): Likewise.
3206 (fold_builtin_floor): Likewise.
3207 (fold_builtin_ceil): Likewise.
3208 (fold_builtin_round): Likewise.
3209 (fold_builtin_int_roundingfn): Likewise.
3210 (fold_builtin_bitop): Likewise.
3211 (fold_builtin_bswap): Likewise.
3212 (fold_builtin_logarithm): Likewise.
3213 (fold_builtin_hypot): Likewise.
3214 (fold_builtin_pow): Likewise.
3215 (fold_builtin_powi): Likewise.
3216 (fold_builtin_exponent): Likewise.
3217 (fold_builtin_memset): Likewise.
3218 (fold_builtin_bzero): Likewise.
3219 (fold_builtin_memory_op): Likewise.
3220 (fold_builtin_bcopy): Deleted; call site changed to invoke
3221 fold_builtin_memory_op directly.
3222 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
3223 (fold_builtin_strncpy): Likewise.
3224 (fold_builtin_memcmp): Likewise.
3225 (fold_builtin_strcmp): Likewise.
3226 (fold_builtin_strncmp): Likewise.
3227 (fold_builtin_signbit): Likewise.
3228 (fold_builtin_copysign): Likewise.
3229 (fold_builtin_isascii): Likewise.
3230 (fold_builtin_toascii): Likewise.
3231 (fold_builtin_isdigit): Likewise.
3232 (fold_builtin_fabs): Likewise.
3233 (fold_builtin_abs): Likewise.
3234 (fold_builtin_fmin_fmax): Likewise.
3235 (fold_builtin_carg): Likewise.
3236 (fold_builtin_classify): Likewise.
3237 (fold_builtin_unordered_cmp): Likewise.
3238
3239 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
3240 New functions split out from fold_builtin_1.
3241 (fold_builtin_n): New.
3242 (fold_builtin_varargs): New.
3243 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
3244 instead.
3245 (fold_call_expr): New.
3246 (build_function_call_expr): Rewrite to use new helper function.
3247 (fold_builtin_call_list): New.
3248 (build_call_expr): New.
3249 (fold_builtin_call_valist): New.
3250 (rewrite_call_expr): New.
3251 (validate_arg): New.
3252 (validate_arglist): Change parameter to be entire CALL_EXPR instead
3253 of an arglist. Change return type to bool. Use new CALL_EXPR
3254 accessors.
3255
3256 (fold_builtin_strstr): Pass call arguments individually instead
3257 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3258 accessors and constructors. Return NULL_TREE instead of 0.
3259 (fold_builtin_strchr): Likewise.
3260 (fold_builtin_strrchr): Likewise.
3261 (fold_builtin_strpbrk): Likewise.
3262 (fold_builtin_strcat): Likewise.
3263 (fold_builtin_strncat): Likewise.
3264 (fold_builtin_strspn): Likewise.
3265 (fold_builtin_strcspn): Likewise.
3266 (fold_builtin_fputs): Likewise.
3267 (fold_builtin_next_arg): Likewise.
3268 (fold_builtin_sprintf): Likewise.
3269
3270 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
3271 NULL_RTX instead of 0.
3272 (expand_builtin_memory_chk): Likewise.
3273 (maybe_emit_chk_warning): Likewise.
3274 (maybe_emit_sprintf_chk_warning): Likewise.
3275
3276 (fold_builtin_object_size): Pass call arguments individually instead
3277 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3278 accessors and constructors. Return NULL_TREE instead of 0.
3279 (fold_builtin_memory_chk): Likewise.
3280 (fold_builtin_stxcpy_chk): Likewise.
3281 (fold_builtin_strncpy_chk): Likewise.
3282 (fold_builtin_strcat_chk): Likewise.
3283 (fold_builtin_strcat_chk): Likewise.
3284 (fold_builtin_strncat_chk): Likewise.
3285 (fold_builtin_sprintf_chk): Likewise.
3286 (fold_builtin_snprintf_chk): Likewise.
3287 (fold_builtin_printf): Likewise.
3288 (fold_builtin_vprintf): Likewise.
3289
3290 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
3291 constructors.
3292 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
3293 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3294 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
3295 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
3296 (fold_unary): Likewise.
3297 (fold_binary): Likewise.
3298 (fold_ternary): Remove CALL_EXPR case, since they are no longer
3299 ternary expressions.
3300 (fold): Add logic for tcc_vl_exp.
3301 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
3302 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3303 (fold_build3_stat): Add assertion to flag broken interface for
3304 constructing CALL_EXPRs.
3305 (fold_build_call_list): New.
3306 (fold_build_call_list_initializer): New.
3307 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
3308 constructors.
3309 (fold_strip_sign_ops): Likewise.
3310
3311 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3312 Brooks Moses <brooks.moses@codesourcery.com>
3313 Lee Millward <lee.millward@codesourcery.com>
3314
3315 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
3316 accessors and dump arguments explicitly.
3317
3318 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
3319 TREE_CODE_LENGTH.
3320 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
3321 explicitly.
3322 (print_call_name): Use new CALL_EXPR accessors.
3323
3324 * print-tree.c (print_node): Add case tcc_vl_exp. Print
3325 CALL_EXPR arguments explicitly instead of as a list. Use
3326 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3327
3328 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
3329 (vrp_visit_stmt): Likewise.
3330
3331 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
3332 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
3333 TREE_CODE_LENGTH.
3334 (force_move_till_expr): Likewise.
3335
3336 * targhooks.c (default_external_stack_protect_fail): Use
3337 build_call_expr instead of build_function_call_expr.
3338 (default_hidden_stack_protect_fail): Likewise.
3339
3340 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
3341 build the call.
3342
3343 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
3344 and walk arguments explicitly.
3345
3346 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
3347 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3348 (expand_simple_operations): Likewise.
3349 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
3350
3351 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
3352 of TREE_CODE_LENGTH.
3353 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
3354
3355 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
3356 instead of TREE_CODE_LENGTH.
3357
3358 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
3359 (tree_ic_transform): Likewise.
3360 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
3361 parameter instead of arglist. Fix callers.
3362 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
3363 (tree_stringops_transform): Likewise.
3364 (tree_indirect_call_to_profile): Likewise.
3365 (tree_stringops_values_to_profile): Likewise.
3366
3367 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
3368 (eliminate_tail_call): Likewise.
3369
3370 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
3371
3372 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3373 Use TREE_OPERAND_LENGTH and generalize to handle any number of
3374 operands.
3375 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
3376
3377 * omp-low.c (build_omp_barrier): Use build_call_expr.
3378 (lower_rec_input_clauses): Likewise.
3379 (lower_reduction_clauses): Likewise.
3380 (expand_parallel_call): Likewise.
3381 (maybe_catch_exception): Likewise.
3382 (expand_omp_for_generic): Likewise.
3383 (expand_omp_for_static_nochunk): Likewise.
3384 (expand_omp_sections): Likewise.
3385 (lower_omp_single_simple): Likewise.
3386 (lower_omp_single_copy): Likewise.
3387 (lower_omp_master): Likewise.
3388 (lower_omp_ordered): Likewise.
3389 (lower_omp_critical): Likewise.
3390
3391 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
3392 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
3393
3394 * tree-gimple.c (is_gimple_call_addr): Fix doc.
3395 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
3396 TREE_CODE_LENGTH. Add tcc_vl_exp case.
3397
3398 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
3399 and generalize to handle any number of operands.
3400 (chrec_contains_undetermined): Likewise.
3401 (tree_contains_chrecs): Likewise.
3402 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
3403
3404 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
3405
3406 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
3407 fold_call_expr instead of fold_builtin.
3408 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
3409 match declarations there.
3410 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
3411 updates.
3412
3413 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
3414 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3415
3416 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
3417 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
3418
3419 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
3420 accessors.
3421
3422 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
3423 (execute_cse_sincos): Use new CALL_EXPR accessors.
3424
3425 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
3426
3427 * gimple-low.c (lower_function_body): Use build_call_expr.
3428 (lower_builtin_setjmp): Likewise.
3429
3430 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
3431 (set_storage_via_libcall): Likewise.
3432 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
3433 instead of TREE_CODE_LENGTH.
3434 (expand_expr_real_1): Use new CALL_EXPR accessors.
3435
3436 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
3437 generalize to handle any number of operands.
3438 (TB_parent_eq): Likewise.
3439
3440 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
3441 (strip_builtin_expect): Likewise.
3442
3443 * function.c (gimplify_parameters): Use build_call_expr.
3444
3445 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
3446 instead of TREE_CODE_LENGTH.
3447
3448 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
3449 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
3450
3451 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
3452 iterators.
3453
3454 * gimplify.c (build_stack_save_restore): Use build_call_expr.
3455 (gimplify_decl_expr): Likewise.
3456 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
3457 Use new CALL_EXPR iterators.
3458 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
3459 (gimplify_modify_expr_to_memset): Likewise.
3460 (gimplify_variable_sized_compare): Likewise.
3461 (gimplify_omp_atomic_fetch_op): Likewise.
3462 (gimplify_omp_atomic_pipeline): Likewise.
3463 (gimplify_omp_atomic_mutex): Likewise.
3464 (gimplify_function_tree): Likewise.
3465
3466 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
3467 (call_expr_flags): Likewise.
3468 (expand_call): Likewise.
3469
3470 * except.c (expand_builtin_eh_return_data_regno): Pass entire
3471 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3472 accessors.
3473
3474 * coverage.c (create_coverage): Use build_call_expr.
3475
3476 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
3477 (temp_call_expr_obstack): New.
3478 (pool_copy_list): Delete.
3479 (temp_copy_call_expr): New.
3480 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
3481 CALL_EXPR accessors. Get rid of special goo for copying argument
3482 lists and use temp_copy_call_expr instead.
3483 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
3484 CALL_EXPR accessors.
3485 (create_expression_by_pieces): Likewise. Use build_call_array
3486 to construct the result instead of fold_build3.
3487 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
3488 dealing with argument lists.
3489 (init_pre): Remove references to expression_node_pool and
3490 list_node_pool. Init temp_call_expr_obstack instead.
3491 (fini_pre): Remove references to expression_node_pool and
3492 list_node_pool.
3493
3494 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
3495 and walk arguments explicitly instead of as a list.
3496
3497 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
3498 (mx_register_decls): Likewise.
3499 (mudflap_register_call): Likewise.
3500 (mudflap_finish_file): Likewise.
3501
3502 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
3503 (ipa_callsite_compute_param): Likewise.
3504
3505 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
3506 accessors and constructor.
3507
3508 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
3509 accessors and constructor.
3510 (convert_tramp_reference): Likewise.
3511 (convert_call_expr): Likewise.
3512 (finalize_nesting_tree_1): Likewise.
3513
3514 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
3515 accessors.
3516
3517 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
3518
3519 * tree-inline.c (initialize_inlined_parameters): Pass entire
3520 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3521 accessors.
3522 (estimate_num_insns_1): Use new CALL_EXPR accessors.
3523 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
3524
3525 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
3526 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3527 (vectorizable_reduction): Likewise.
3528 (vectorizable_call): Use new CALL_EXPR iterators.
3529 (vectorizable_conversion): Use build_call_expr.
3530 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
3531 (vect_gen_widened_results_half): Use build_call_expr.
3532 (vect_setup_realignment): Likewise.
3533 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
3534
3535 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
3536 (pass_through_call): Likewise.
3537 (compute_object_sizes): Likewise. Use fold_call_expr instead of
3538 fold_builtin.
3539
3540 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
3541 (tree_gen_pow2_profiler): Likewise.
3542 (tree_gen_one_value_profiler): Likewise.
3543 (tree_gen_ic_func_profiler): Likewise.
3544 (tree_gen_average_profiler): Likewise.
3545 (tree_gen_ior_profiler): Likewise.
3546
3547 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
3548 (find_func_aliases): Use new CALL_EXPR accessors. Add case
3549 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3550
3551 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
3552 of TREE_CODE_LENGTH.
3553
3554 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
3555 of TREE_CODE_LENGTH.
3556
3557 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
3558 constructor.
3559 (convert_to_integer): Likewise.
3560
3561 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
3562 accessors.
3563
3564 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3565 Brooks Moses <brooks.moses@codesourcery.com>
3566 Lee Millward <lee.millward@codesourcery.com>
3567
3568 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
3569 accessors.
3570 * config/frv/frv.c (frv_expand_builtin): Likewise.
3571 * config/s390/s390.c (s390_expand_builtin): Likewise.
3572
3573 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
3574 (sparc_expand_builtin): Use new CALL_EXPR accessors.
3575
3576 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
3577 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
3578 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
3579 (ix86_expand_store_builtin): Likewise.
3580 (ix86_expand_unop_builtin): Likewise.
3581 (ix86_expand_unop1_builtin): Likewise.
3582 (ix86_expand_sse_compare): Likewise.
3583 (ix86_expand_sse_comi): Likewise.
3584 (ix86_expand_vec_init_builtin): Likewise.
3585 (ix86_expand_vec_ext_builtin): Likewise.
3586 (ix86_expand_vec_set_builtin): Likewise.
3587 (ix86_expand_builtin): Use new CALL_EXPR accessors.
3588
3589 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
3590 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3591
3592 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
3593 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3594 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
3595
3596 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
3597 build_call_expr.
3598 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
3599 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
3600 arglist. Use new CALL_EXPR accessors. Fix callers.
3601 (altivec_expand_abs_builtin): Likewise.
3602 (rs6000_expand_binop_builtin): Likewise.
3603 (altivec_expand_predicate_builtin): Likewise.
3604 (altivec_expand_lv_builtin): Likewise.
3605 (spe_expand_stv_builtin): Likewise.
3606 (altivec_expand_stv_builtin): Likewise.
3607 (rs6000_expand_ternop_builtin): Likewise.
3608 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
3609 (altivec_expand_st_builtin): Likewise.
3610 (altivec_expand_dst_builtin): Likewise.
3611 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
3612 arglist. Use new CALL_EXPR accessors. Fix callers.
3613 (altivec_expand_vec_set_builtin): Likewise.
3614 (altivec_expand_vec_ext_builtin): Likewise.
3615 (altivec_expand_builtin): Use new CALL_EXPR accessors.
3616 (spe_expand_builtin): Likewise.
3617 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
3618 arglist. Use new CALL_EXPR accessors. Fix callers.
3619 (spe_expand_evsel_builtin): Likewise.
3620 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
3621 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
3622
3623 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
3624 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3625 (arm_expand_unop_builtin): Likewise.
3626 (arm_expand_builtin): Use new CALL_EXPR accessors.
3627
3628 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
3629 accessors.
3630
3631 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
3632 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3633 (bfin_expand_unop_builtin): Likewise.
3634 (bfin_expand_builtin): Use new CALL_EXPR accessors.
3635
3636 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3637 Brooks Moses <brooks.moses@codesourcery.com>
3638 Lee Millward <lee.millward@codesourcery.com>
3639
3640 * c-semantics.c (build_stmt): Add internal diagnostic check.
3641
3642 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
3643 accessors. Print arguments explicitly instead of as a list.
3644
3645 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
3646
3647 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
3648 (c_finish_omp_flish): Likewise.
3649
3650 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
3651 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
3652 instead of TREE_CODE_LENGTH.
3653 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
3654 (c_warn_unused_result): Likewise.
3655
3656 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3657
3658 PR c/26494
3659 * doc/invoke.texi (Warning Options): Remove
3660 -Werror-implicit-function-declaration.
3661 (Wimplicit-function-declaration): Update description.
3662 * opts.c (common_handle_option): Move handling of -Werror=* to...
3663 (enable_warning_as_error): ...here.
3664 * opts.h (enable_warning_as_error): Declare.
3665 * c-decl.c (implicit_decl_warning): Unless
3666 -Wno-implicit-function-declaration is given, emit a pedwarn if
3667 -std=c99 or emit a warning if -Wimplicit-function-declaration.
3668 * c.opt (Wimplicit-function-declaration): Replace
3669 mesg_implicit_function_declaration with
3670 warn_implicit_function_declaration.
3671 * c-opts.c (c_common_handle_option):
3672 -Werror-implicit-function-declaration is exactly equal as
3673 -Werror=implicit-function-declaration.
3674 (set_Wimplicit): Replace mesg_implicit_function_declaration with
3675 warn_implicit_function_declaration.
3676 (c_common_post_options): -Wimplict-function-declaration is enabled
3677 by default by -std=c99, otherwise is disabled by default.
3678 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3679
3680 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3681
3682 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3683 DECL on the rhs to a DECL on the lhs for debug info purposes if the
3684 former is ignored but not the latter.
3685
3686 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3687
3688 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3689 is made and the reference doesn't use the alias set of its type,
3690 do not create the temporary using that type.
3691
3692 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
3693
3694 * jump.c: Remove prototypes for delete_computation and
3695 delete_prior_computation.
3696
3697 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3698
3699 * jump.c (get_label_after): Delete.
3700 (get_label_before, delete_computation, delete_jump,
3701 delete_prior_computation, follow_jumps): Move...
3702 * reorg.c (delete_computation, delete_prior_computation): ... here...
3703 (get_label_before, delete_jump): ... making these static ...
3704 (follow_jumps): ... and simplifying this since it only runs after
3705 reload.
3706 * rtl.h (get_label_after, get_label_before, delete_jump,
3707 follow_jumps): Delete prototypes.
3708
3709 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3710
3711 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3712
3713 2007-02-15 Nick Clifton <nickc@redhat.com>
3714
3715 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3716 order to prevent it from being munged by the target.
3717
3718 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
3719
3720 * config/i386/i386.md: Remove misleading comment.
3721
3722 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3723
3724 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3725 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3726 invalid patterns.
3727
3728 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3729
3730 * tree-sra.c (instantiate_missing_elements): Canonicalize
3731 bit-field types.
3732 (sra_build_assignment): New.
3733 (generate_copy_inout, generate_element_copy,
3734 generate_element_zero, generate_one_element_init): Use it.
3735
3736 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3737
3738 * tree-sra.c (instantiate_missing_elements): Canonicalize
3739 bit-field types.
3740 (sra_build_assignment): New.
3741 (generate_copy_inout, generate_element_copy,
3742 generate_element_zero, generate_one_element_init): Use it.
3743
3744 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3745
3746 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3747 limbo die nodes.
3748
3749 2007-02-14 Joseph Myers <joseph@codesourcery.com>
3750
3751 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3752 types as aggregates not scalars.
3753 * function.c (assign_stack_temp_for_type): Likewise.
3754
3755 2007-02-14 Roger Sayle <roger@eyesopen.com>
3756 Zdenek Dvorak <dvorakz@suse.cz>
3757
3758 * tree-dump.c (dump_switch_p_1): Require exact match of the option
3759 name.
3760
3761 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3762
3763 * passes.c (next_pass_1): Clear the next field of the copied
3764 pass structure.
3765
3766 2007-02-14 Richard Henderson <rth@redhat.com>
3767
3768 * tree-sra.c (early_sra): New.
3769 (decl_can_be_decomposed_p): Deny va_list if early_sra.
3770 (tree_sra_early, pass_sra_early): New.
3771 * tree-pass.h (pass_sra_early): Declare.
3772 * passes.c (init_optimization_passes): Use it.
3773
3774 2007-02-14 Richard Guenther <rguenther@suse.de>
3775
3776 * flags.h (issue_strict_overflow_warning): Convert to a macro.
3777
3778 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
3779
3780 PR tree-optimization/30771
3781 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3782 also phi nodes.
3783 (vect_analyze_operations): Induction phis can now be marked as
3784 used_in_loop.
3785 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3786 Update documentation accordingly.
3787
3788 2007-02-14 Nick Clifton <nickc@redhat.com>
3789
3790 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3791 most 3 arguments are supported.
3792 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3793
3794 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
3795
3796 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3797 Ensure dst->current is valid.
3798
3799 2007-02-13 Paul Brook <paul@codesourcery.com>
3800
3801 * config.gcc: Add arm*-*-uclinux-*eabi.
3802 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
3803 (SUBTARGET_EXTRA_LINK_SPEC): Define.
3804 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
3805 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
3806 (LINK_SPEC): Define.
3807 (LIB_SPEC): Define.
3808 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
3809 register.
3810 * config/arm/uclinux-eabi.h: New file.
3811 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
3812 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
3813 based targets.
3814
3815 2007-02-13 Ian Lance Taylor <iant@google.com>
3816
3817 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
3818 * flags.h (warn_strict_overflow): Declare.
3819 (enum warn_strict_overflow_code): Define.
3820 (issue_strict_overflow_warning): New static inline function.
3821 * opts.c (warn_strict_overflow): New variable.
3822 (common_handle_option): Handle OPT_Wstrict_overflow and
3823 OPT_Wstrict_overflow_.
3824 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
3825 OPT_Wall.
3826 * fold-const.c: Include intl.h.
3827 (fold_deferring_overflow_warnings): New static variable.
3828 (fold_deferred_overflow_warning): New static variable.
3829 (fold_deferred_overflow_code): New static variable.
3830 (fold_defer_overflow_warnings): New function.
3831 (fold_undefer_overflow_warnings): New function.
3832 (fold_undefer_and_ignore_overflow_warnings): New function.
3833 (fold_deferring_overflow_warnings_p): New function.
3834 (fold_overflow_warning): New static function.
3835 (make_range): Add strict_overflow_p parameter. Change all
3836 callers.
3837 (extract_muldiv, extract_muldiv_1): Likewise.
3838 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
3839 tree_expr_nonnegative_p.
3840 (fold_negate_expr): Call fold_overflow_warning.
3841 (fold_range_test): Likewise.
3842 (fold_comparison): Likewise.
3843 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
3844 instead of tree_expr_nonnegative_p.
3845 (tree_expr_nonnegative_warnv_p): Rename from
3846 tree_expr_nonnegative_p, add strict_overflow_p parameter.
3847 (tree_expr_nonnegative_p): New function.
3848 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
3849 strict_overflow_p parameter.
3850 (tree_expr_nonzero_p): New function.
3851 * passes.c (verify_interpass_invariants): New static function.
3852 (execute_one_pass): Call it.
3853 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
3854 warnings.
3855 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
3856 (estimate_numbers_of_iterations): Likewise.
3857 (scev_probably_wraps_p): Likewise.
3858 * tree-ssa-ccp.c: Include "toplev.h".
3859 (evaluate_stmt): Defer fold overflow warnings until we know we are
3860 going to optimize.
3861 (struct fold_stmt_r_data): Add stmt field.
3862 (fold_stmt_r): Defer fold overflow warnings until we know we
3863 optimized.
3864 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
3865 (fold_stmt_inplace): Likewise.
3866 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
3867 (cleanup_control_expr_graph): Defer fold overflow warnings until
3868 we know we are going to optimize.
3869 * tree-cfg.c (fold_cond_expr_cond): Likewise.
3870 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
3871 Likewise.
3872 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3873 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
3874 * tree-ssa-loop-manip.c (create_iv): Likewise.
3875 * c-typeck.c (build_conditional_expr): Likewise.
3876 (build_binary_op): Likewise.
3877 * tree-vrp.c (vrp_expr_computes_nonzero): Call
3878 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
3879 (extract_range_from_unary_expr): Likewise.
3880 * simplify-rtx.c (simplify_const_relational_operation): Warn when
3881 assuming that signed overflow does not occur.
3882 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
3883 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
3884 (fold_defer_overflow_warnings): Declare.
3885 (fold_undefer_overflow_warnings): Declare.
3886 (fold_undefer_and_ignore_overflow_warnings): Declare.
3887 (fold_deferring_overflow_warnings_p): Declare.
3888 (tree_expr_nonzero_warnv_p): Declare.
3889 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
3890 of warning options.
3891 (Warning Options): Document -Wstrict-overflow.
3892 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
3893 (tree-ssa-ccp.o): Likewise.
3894 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
3895 (fold-const.o): Depend on intl.h.
3896
3897 2007-02-13 Ian Lance Taylor <iant@google.com>
3898
3899 PR middle-end/30751
3900 * lower-subreg.c (resolve_simple_move): Decompose subregs in
3901 addresses.
3902
3903 2007-02-13 Stuart Hastings <stuart@apple.com>
3904
3905 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
3906
3907 2007-02-13 Richard Henderson <rth@redhat.com>
3908
3909 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
3910 handled_component_p before looking for the indirect_ref.
3911
3912 2007-02-13 Richard Henderson <rth@redhat.com>
3913
3914 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
3915 remove flags clobber.
3916 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
3917 (bswaphi_lowpart): New.
3918 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
3919 remove TARGET_BSWAP test. Delete expander of the same name.
3920
3921 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
3922 (expand_unop): Use them.
3923
3924 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
3925
3926 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
3927 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
3928 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
3929 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
3930 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
3931 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
3932 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
3933 assembler dialect choice from asm templates.
3934
3935 2007-02-12 Richard Henderson <rth@redhat.com>
3936
3937 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
3938 (fixuns_trunc<SSEMODEF>si2): Use it.
3939 * config/i386/sse.md (vec_setv4sf_0): Export.
3940 * config/i386/i386.c (ix86_build_const_vector): Export.
3941 (ix86_split_convert_uns_si_sse): Rename from
3942 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
3943 * config/i386/i386-protos.h: Update.
3944
3945 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3946
3947 PR c/29521
3948 * c-typeck.c (c_finish_return): Improve warning message.
3949
3950 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3951
3952 * alias.c (find_symbolic_term): Delete unused function.
3953
3954 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
3955
3956 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
3957 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
3958 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
3959
3960 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
3961
3962 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3963 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
3964 the function, temporarily point the debug interface to the null one.
3965
3966 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
3967
3968 * dwarf2out.c (round_up_to_align): New static function.
3969 (field_byte_offset): Use it to round the offset.
3970
3971 2007-02-12 Richard Henderson <rth@redhat.com>
3972
3973 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
3974 (inswl_const): Export.
3975
3976 2007-02-12 Richard Henderson <rth@redhat.com>
3977
3978 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
3979 result mode of the libcall, convert back to outmode.
3980
3981 2007-02-12 Roger Sayle <roger@eyesopen.com>
3982
3983 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
3984 (bswapdi2): New define_expand to implement 32-bit implementation.
3985
3986 2007-02-12 Nick Clifton <nickc@redhat.com>
3987
3988 * doc/invoke.texi (Overall Options): Document --help=.
3989 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
3990 (cc1_options): Pass --help= on to cc1.
3991 (display_help): Add description of --help=.
3992 (process_command): Add code to handle --help=. Allow translated
3993 --help and --target-help switches to be passed on to compiler
3994 sub-process.
3995 (main): Remove unused if statement.
3996 * opts.c (columns): Remove.
3997 (LEFT_COLUMN): Define.
3998 (wrap_help): Add columns argument.
3999 (print_filtered_help): Change parameters to be an include bitmask,
4000 an exclude bitmask, an any bitmask and the column width. Move the
4001 code to display the params list here. Add code to display the
4002 status of options rather than their descriptions if the quiet flag
4003 is not active.
4004 (print_specific_help): Change parameters to be an include bitmask,
4005 an exclude bitmask and an any bitmask. Move code to look up the
4006 column width here. Decide upon the title for an options listing.
4007 (common_handle_options): Add code to handle --help=. Adapt code
4008 for --help and --target-help to use the revised form of the
4009 print_specific_help function.
4010 (print_help): Delete.
4011 (print_param_help): Delete.
4012 (print_switch): Delete.
4013 * opts.h (cl_lang_count): Add prototype.
4014 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
4015 CL_MAX_OPTION_CLASS): New defines.
4016 * optc-gen.awk: Add construction of cl_lang_count.
4017 * c.opt: Add Warning attribute to warning options and Optimization
4018 attribute to optimization options.
4019 * common.opt: Likewise.
4020 Add --help=.
4021 Add -fhelp and -ftarget-help as aliases for the transformed --help
4022 and --target-help options.
4023 * opt-functions.awk: Add code to handle Warning and Optimization
4024 attributes.
4025
4026 2007-02-12 Richard Henderson <rth@redhat.com>
4027
4028 * config/alpha/constraints.md: New file.
4029 * config/alpha/alpha.c: Include tm-constrs.h.
4030 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
4031 alpha_extra_constraint): Remove.
4032 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
4033 * config/alpha/alpha-protos.h: Update.
4034 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
4035 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
4036 (EXTRA_CONSTRAINT): Remove.
4037 * config/alpha/alpha.md: Include constraints.md.
4038 (adddi splitter): Use satisfies_constraint_*.
4039 * config/alpha/predicates.md (add_operand): Likewise.
4040 (sext_add_operand, addition_operation): Likewise.
4041
4042 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
4043
4044 PR tree-optimization/29145
4045 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
4046 in our handling of restrict qualified pointers.
4047
4048 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4049
4050 PR middle-end/7651
4051 * doc/invoke.texi (Wunused-value): Update description.
4052 (Wextra): Delete item.
4053 * opts.c (set_Wextra): Don't use the value of Wextra to set the
4054 value of Wunused-value.
4055 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
4056 (c_finish_stmt_expr): Don't check extra_warnings.
4057 (emit_side_effect_warnings): The caller is responsible to check
4058 warn_unused_value.
4059
4060 2007-02-11 Roger Sayle <roger@eyesopen.com>
4061 Matt Thomas <matt@3am-software.com>
4062
4063 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4064
4065 2007-02-11 Roger Sayle <roger@eyesopen.com>
4066
4067 * simplify-rtx.c (simplify_relational_operation_1): Optimize
4068 comparisons of POPCOUNT against zero.
4069 (simplify_const_relational_operation): Likewise.
4070
4071 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4072
4073 * doc/invoke.texi (Wextra): Delete outdated paragraph.
4074
4075 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4076
4077 * dwarf2out.c (root_type): Delete unused function.
4078
4079 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4080
4081 * genattrtab.c (contained_in_p): Delete unused function.
4082 (write_expr_attr_cache): Likewise.
4083
4084 2007-02-11 Jan Hubicka <jh@suse.cz>
4085
4086 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4087 previous patch.
4088
4089 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
4090
4091 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4092 to add the REG_EQ* note.
4093 * see.c (see_merge_one_use_extension): Likewise.
4094 * local-alloc.c (update_equiv_regs): Likewise. Also don't
4095 turn REG_EQUAL notes into REG_EQUIV notes if the target
4096 register may have more than one set.
4097 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4098 * gcse.c (try_replace_reg): Likewise.
4099 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4100 * calls.c (fixup_tail_calls): Likewise. Abort if there is
4101 more than one REG_EQUIV note.
4102 * reload1.c (gen_reload): Use set_unique_reg_note.
4103
4104 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
4105
4106 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4107 (ix86_builtin_conversion): New function.
4108
4109 2007-02-06 Mark Mitchell <mark@codesourcery.com>
4110
4111 PR target/29487
4112 * tree.h (DECL_REPLACEABLE_P): New macro.
4113 * except.c (set_nothrow_function_flags): Likewise.
4114
4115 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
4116 Ira Rosen <irar@il.ibm.com>
4117 Dorit Nuzman <dorit@il.ibm.com>
4118
4119 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4120 * targhooks.c (default_builtin_vectorized_conversion): New.
4121 * targhooks.h (default_builtin_vectorized_function): New declaration.
4122 * target.h (struct vectorize): Add builtin_conversion field.
4123 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4124 stmt_vec_info_type value.
4125 (vectorizable_conversion): New declaration.
4126 * tree-vect-analyze.c (vect_analyze_operations): Add
4127 vectorizable_conversion call.
4128 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4129 * tree-vect-transform.c (vectorizable_conversion): New function.
4130 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4131 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4132 mode.
4133 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4134 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4135 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4136 or ALTIVEC_BUILTIN_VCFSX.
4137
4138 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4139
4140 PR target/30634
4141 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4142 CONST_DOUBLE and operand 0 is a hard register.
4143 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4144 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
4145 is a hard floating-point register.
4146
4147 2007-02-10 Richard Henderson <rth@redhat.com>
4148 Jakub Jelinek <jakub@redhat.com>
4149 Alexandre Oliva <aoliva@redhat.com>
4150
4151 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4152 * builtin-types.def (BT_WORD): Make unsigned.
4153 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4154 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4155 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4156 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4157 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4158 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4159 emulated tls.
4160 * expr.c (emutls_var_address): New.
4161 (expand_expr_real_1): Expand emulated tls.
4162 (expand_expr_addr_expr_1): Likewise.
4163 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4164 * output.h (emutls_finish): Declare.
4165 * toplev.c (compile_file): Call it.
4166 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4167 address before wrapping in CONST.
4168 * varasm.c (emutls_htab, emutls_object_type): New.
4169 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4170 (get_emutls_object_name, get_emutls_object_type): New.
4171 (get_emutls_init_templ_addr, emutls_decl): New.
4172 (emutls_common_1, emutls_finish): New.
4173 (assemble_variable): When emulating tls, swap decls; generate
4174 constructor for the emutls objects.
4175 (do_assemble_alias): When emulating tls, swap decl and target name.
4176 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4177 for emulated tls.
4178 * varpool.c (decide_is_variable_needed): Look at force_output.
4179 Recurse for emulated tls.
4180 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
4181 with decide_is_variable_needed.
4182 * emutls.c: New file.
4183 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4184 tls_object for real tls.
4185
4186 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4187
4188 PR rtl-optimization/29599
4189 * reload1.c (eliminate_regs_in_insn): Take the destination
4190 mode into account when computing the offset.
4191
4192 2007-02-09 Stuart Hastings <stuart@apple.com>
4193 Richard Henderson <rth@redhat.com>
4194
4195 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4196 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4197 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
4198 fixuns_truncdfhi2): New.
4199 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
4200 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
4201 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
4202 (floatunssidf2): Allow nonimmediate source.
4203 * gcc/config/i386/sse.md (movdi_to_sse): New.
4204 (vec_concatv2di): Drop '*'.
4205 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
4206 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4207 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
4208 New.
4209 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
4210 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4211 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
4212 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
4213 (ix86_build_signbit_mask): Fix decl of v, refactor to call
4214 ix86_build_const_vector.
4215 (x86_emit_floatuns): Rewrite.
4216
4217 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4218
4219 * genautomata.c (longest_path_length): Delete unused function.
4220 (struct state): Delete unused longest_path_length.
4221 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
4222 (get_free_state): Delete unused.
4223
4224 2007-02-09 Jan Hubicka <jh@suse.cz>
4225
4226 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
4227 * doc/invoke.texi (inline-unit-growth): Update default value.
4228
4229 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
4230 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
4231 (rebuild_cgraph_edges): Likewise.
4232 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
4233 (dump_cgraph_node): Dump frequencies.
4234 (cgraph_clone_edge): Add frequency scales.
4235 (cgraph_clone_node): Add freuqnecy.
4236 * cgraph.h (cgraph_edge): Add freuqnecy argument.
4237 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
4238 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
4239 * tree-pass.h (TODO_rebuild_frequencies): New constant.
4240 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
4241 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
4242 (save_inline_function_body): Likewise.
4243 * ipa-inline.c: inluce rtl.h
4244 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
4245 (cgraph_edge_badness): Use frequencies.
4246 (cgraph_decide_recursive_inlining): Update clonning.
4247 (cgraph_decide_inlining_of_small_function): Dump frequency.
4248 * predict.c (estimate_bb_frequencies): Export.
4249 * predict.h (estimate_bb_frequencies): Declare.
4250 * tree-inline.c (copy_bb): Watch overflows.
4251 (expand_call_inline): Update call of cgraph_create_edge.
4252 (optimize_inline_calls): Use TODO flags to update frequnecies.
4253 * passes.h: Include predict.h
4254 (init_optimization_passes): Move profile ahead.
4255 (execute_function_todo): Handle TODO_rebuild_frequencies.
4256
4257 2007-02-09 Roger Sayle <roger@eyesopen.com>
4258
4259 * config/alpha/alpha.c (emit_insxl): Force the first operand of
4260 the insbl or inswl pattern into a register.
4261
4262 2007-02-09 Roger Sayle <roger@eyesopen.com>
4263
4264 * config/ia64/ia64.md (bswapdi2): New define_insn.
4265
4266 2007-02-09 Richard Henderson <rth@redhat.com>
4267
4268 * config/i386/constraints.md (Ym): New constraint.
4269 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
4270 (movdi_1_rex64): Split sse and xmm general register moves from
4271 memory move alternatives. Use conditional register constraints.
4272 (movsf_1, movdf_integer): Likewise.
4273 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4274 (movdf_integer_rex64): New.
4275 (pushsf_rex64): Fix output constraints.
4276 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
4277 (sse2_stored): Likewise.
4278 (sse2_storeq_rex64): New.
4279 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
4280 amd and not generic.
4281 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
4282 for optimize_size. Remove SF/DFmode hack.
4283
4284 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
4285
4286 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
4287 (bit_SSE4a): New.
4288
4289 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
4290 Richard Sandiford <richard@codesourcery.com>
4291
4292 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
4293 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
4294 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
4295 m68k/t-mlib to tmake_file.
4296 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
4297 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
4298 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
4299 Allow it to be cf or m68k. Set m68k_arch_family. If that
4300 variable is not empty, add t-$m68k_arch_family to tmake_file.
4301 Add t-mlibs to tmake_file.
4302 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
4303 * config/m68k/t-cf: New file.
4304 * config/m68k/t-m68k: Likewise.
4305 * config/m68k/t-mlibs: Likewise.
4306 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4307 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4308 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4309 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4310 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
4311 Delete.
4312 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
4313 (INSTALL_LIBGCC): Delete.
4314 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4315 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4316 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4317 (M68K_MLIB_CPU): Define.
4318 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4319 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4320 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
4321
4322 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4323 Richard Guenther <rguenther@suse.de>
4324
4325 PR middle-end/23361
4326 * fold-const.c (fold_comparison): Handle obfuscated comparisons
4327 against INT_MIN/INT_MAX.
4328 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
4329 file if a loop is removed.
4330
4331 2007-02-09 Joseph Myers <joseph@codesourcery.com>
4332
4333 * calls.c (store_one_arg): Pass correct alignment to
4334 emit_push_insn for non-BLKmode values.
4335 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
4336 unaligned stack slot via a suitably aligned slot.
4337
4338 2007-02-08 DJ Delorie <dj@redhat.com>
4339
4340 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
4341 warnings.
4342 (legal_subregs): Use unsigned char, make const.
4343 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
4344
4345 2007-02-08 Paul Brook <paul@codesourcery.com>
4346
4347 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
4348 special interworking needed.
4349
4350 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
4351
4352 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
4353 conditional to __SSE2__.
4354 (Entries below should have been added to first ChangeLog
4355 entry for amdfam10 dated 2007-02-05)
4356 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
4357 defined.
4358 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
4359 defined.
4360 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
4361 defined.
4362
4363 2007-02-08 DJ Delorie <dj@redhat.com>
4364
4365 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
4366 * config/m32c/m32c.c (legal_subregs): New.
4367 (m32c_illegal_subreg_p): New.
4368 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
4369 unsupported subregs of hard regs.
4370
4371 2007-02-08 Jan Hubicka <jh@suse.cz>
4372
4373 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
4374 the same one; always update histograms.
4375
4376 2007-02-08 Diego Novillo <dnovillo@redhat.com>
4377
4378 * passes.c (init_optimization_passes): Tidy comment.
4379
4380 2007-02-08 Roger Sayle <roger@eyesopen.com>
4381
4382 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
4383 strip zero_extend, bswap and rotates from POCOUNT's argument.
4384 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
4385 zero_extend and rotates from PARITY's argument.
4386 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
4387 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
4388 of an integer constant at compile-time.
4389
4390 2007-02-08 Diego Novillo <dnovillo@redhat.com>
4391
4392 PR 30562
4393 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
4394 Update all users.
4395 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
4396 users.
4397 (init_alias_info):
4398 * tree-ssa-live.c (remove_unused_locals): Do not remove
4399 TREE_ADDRESSABLE variables.
4400 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
4401 * tree-ssa-operands.c (add_virtual_operand): Remove argument
4402 FOR_CLOBBER. Update all users.
4403 If VAR has an associated alias set, add a virtual operand for
4404 it if no alias is found to conflict with the memory reference.
4405
4406 2007-02-07 Jan Hubicka <jh@suse.cz>
4407 Robert Kidd <rkidd@crhc.uiuc.edu>
4408
4409 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
4410
4411 2007-02-07 Ian Lance Taylor <iant@google.com>
4412
4413 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
4414
4415 2007-02-07 Roger Sayle <roger@eyesopen.com>
4416
4417 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
4418 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
4419 tablejumpdi, movsi_to_cr_one): Remove constraints from
4420 define_expand's match_operands.
4421
4422 2007-02-07 Roger Sayle <roger@eyesopen.com>
4423
4424 * global.c (compute_regsets): Move declatation of "i" inside of
4425 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
4426
4427 2007-02-07 Jakub Jelinek <jakub@redhat.com>
4428
4429 PR c++/30703
4430 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
4431 of INDIRECT_REF <RESULT_DECL>.
4432
4433 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
4434
4435 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
4436 Kaz Kojima <kkojima@gcc.gnu.org>
4437
4438 PR target/29746
4439 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
4440 properly.
4441 (sh_initialize_trampoline): Add parentheses to avoid a warning.
4442
4443 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4444
4445 * doc/loop.texi: Document possibility not to perform disambiguation
4446 of loops with multiple latches.
4447 * cfgloopmanip.c (alp_enum_p): Removed.
4448 (add_loop): Handle subloops. Use get_loop_body_with_size.
4449 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
4450 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
4451 the new forwarder block.
4452 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
4453 Handle the case latch is NULL.
4454 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
4455 when marking loop exits.
4456 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
4457 be modified.
4458 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
4459 disambiguate_loops_with_multiple_latches.
4460 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
4461 before fix_loop_structure.
4462 * cfgloop.c: Include pointer-set.h and output.h.
4463 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
4464 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
4465 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
4466 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
4467 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
4468 disambiguate_multiple_latches, get_loop_body_with_size,
4469 disambiguate_loops_with_multiple_latches): New functions.
4470 (flow_loop_dump): Dump multiple latch edges.
4471 (flow_loop_nodes_find): Handle loops with multiple latches.
4472 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
4473 (glb_enum_p): Modified.
4474 (get_loop_body): Use get_loop_body_with_size.
4475 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
4476 (AVOID_CFG_MODIFICATIONS): New constant.
4477 (disambiguate_loops_with_multiple_latches, add_loop,
4478 get_loop_body_with_size): Declare.
4479 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
4480
4481 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
4482
4483 PR inline-asm/28686
4484 * global.c (compute_regsets): New function.
4485 (global_alloc): Refactored ELIMINABLE_REGSET
4486 and NO_GLOBAL_ALLOC_REGS computation out.
4487 (rest_of_handle_global_alloc): Call compute_regsets()
4488 for non-optimizing case.
4489
4490 2007-02-06 Richard Henderson <rth@redhat.com>
4491
4492 * config/i386/constraints.md (Y2): Rename from Y.
4493 (Yi): New constraint.
4494 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
4495 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
4496 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
4497 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
4498 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
4499 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
4500 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
4501 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
4502 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
4503 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
4504 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
4505 vec_extractv2si_1): Change Y constraints to Y2.
4506 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
4507 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
4508 Change Y constraints to Y2.
4509 (sse2_loadld): Change Y constraints to x.
4510
4511 2007-02-06 Roger Sayle <roger@eyesopen.com>
4512
4513 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
4514 (parity<mode>2): New define_expand using rs6000_emit_parity.
4515 * config/rs6000/rs6000.c (rs6000_emit_popcount,
4516 rs6000_emit_parity): New functions.
4517 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
4518 rs6000_emit_parity): Prototype here.
4519
4520 2007-02-06 Ian Lance Taylor <iant@google.com>
4521
4522 * lower-subreg.c (simple_move_operand): Reject CONST.
4523 (resolve_clobber): Call validate_change rather than directly
4524 assigning to XEXP (pat, 0).
4525
4526 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4527
4528 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
4529 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
4530 (tree-cfg.o): Remove hashtab.h dependency.
4531
4532 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
4533 (struct ivopts_data): Change niters to pointer_map_t.
4534 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
4535 (niter_for_exit): Create pointer_map on demand. Change for
4536 pointer_map API.
4537 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
4538 (free_loop_data): Destroy data->niters if created and reset field.
4539 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
4540 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
4541
4542 * tree-ssa-reassoc.c: Include pointer-set.h.
4543 (bb_rank): Change to long *.
4544 (operand_rank): Change to pointer_map_t.
4545 (find_operand_rank): Return long, -1 if not found. Declare as inline.
4546 (insert_operand_rank): Accept long.
4547 (operand_entry_hash, operand_entry_eq): Remove.
4548 (get_rank): Return long. Adjust for changes above.
4549 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
4550 and operand_rank.
4551 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
4552
4553 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
4554 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
4555 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
4556 is not NULL.
4557 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
4558 directly since it cannot be NULL.
4559 (get_vi_for_tree): Rewrite for pointer_map API.
4560 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
4561 (init_alias_vars): Create vi_for_tree as pointer_map.
4562 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
4563
4564 * tree-cfg.c: Don't include hashtab.h.
4565 (edge_to_cases): Declare as pointer_map.
4566 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
4567 Delete.
4568 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
4569 (start_recording_case_labels): Create edge_to_cases as pointer_map.
4570 (end_recoding_case_labels): Cleanup edge_to_cases manually before
4571 destroying it.
4572 (record_switch_edge): Delete.
4573 (get_cases_for_edge): Adjust for pointer_map API, inline
4574 record_switch_edge (rewritten for new API), remove goto.
4575
4576 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4577
4578 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
4579 * tree-nested.c: Include pointer-set.h.
4580 (var_map_elt, var_map_eq, var_map_hash): Delete.
4581 (struct nesting_info): Remove GTY marker. Change the two htab_t's
4582 to pointer_map_t's.
4583 (nesting_info_bitmap_obstack): New.
4584 (lookup_field_for_decl): Adjust for pointer_map API.
4585 (lookup_tramp_for_decl): Adjust for pointer_map API.
4586 (get_nonlocal_debug_decl): Adjust for pointer_map API.
4587 (get_local_debug_decl): Adjust for pointer_map API.
4588 (convert_nl_goto_reference): Adjust for pointer_map API.
4589 (convert_nl_goto_receiver): Adjust for pointer_map API.
4590 (create_nesting_tree): Create outside GGC space. Create bitmap on
4591 the new obstack. Create field_map and var_map as pointer_maps.
4592 (free_nesting_tree): Adjust for changes to create_nesting_tree.
4593 (root): Delete.
4594 (lower_nested_functions): Move root here, no need to NULL it.
4595 Initialize and release the obstack.
4596
4597 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
4598
4599 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
4600 Remove prototypes and make them non-static.
4601 (struct tree_int_map): Remove.
4602 * tree.h (struct tree_int_map): Move here, turning TO into an
4603 unsigned int.
4604 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
4605
4606 * tree.h (TREE_COMPLEXITY): Remove.
4607 (struct tree_exp): Remove complexity field.
4608 * tree.c (build1_stat): Don't set it.
4609
4610 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
4611 Victor Kaplansky <victork@il.ibm.com>
4612
4613 * tree-vectorizer.c (vect_is_simple_use): Support induction.
4614 (vect_is_simple_reduction): Support reduction with induction as
4615 one of the operands.
4616 (vect_is_simple_iv_evolution): Fix formatting.
4617 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
4618 formatting. Don't mark induction phis for vectorization.
4619 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
4620 * tree-vect-transform.c (get_initial_def_for_induction): New function.
4621 (vect_get_vec_def_for_operand): Support induction.
4622 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
4623 induction case.
4624 (vectorizable_reduction): Support reduction with induction as one of
4625 the operands.
4626 (vectorizable_type_demotion): Use def-type of stmt argument rather
4627 than dummy def-type.
4628
4629 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
4630 flag_tree_scev_cprop.
4631 * common.opt (tree-scev-cprop): New flag.
4632
4633 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
4634 call to vect_get_new_vect_var.
4635
4636 2007-02-06 Ira Rosen <irar@il.ibm.com>
4637
4638 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
4639 vectype is not NULL.
4640 (vect_pattern_recog_1): Likewise.
4641
4642 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4643
4644 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
4645 (fold_negate_expr): Likewise.
4646
4647 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
4648
4649 PR debug/30189
4650 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
4651 even if cv-qualification is the same.
4652
4653 2007-02-05 Geoffrey Keating <geoffk@apple.com>
4654
4655 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
4656 __enable_execute_stack on completion.
4657
4658 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4659
4660 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
4661 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
4662 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
4663 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
4664 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
4665 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
4666 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
4667 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
4668
4669 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4670
4671 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
4672 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
4673 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
4674 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
4675 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
4676 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
4677 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
4678 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
4679 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
4680 umuldi3_highpart_rex64, umulsi3_highpart_insn,
4681 umulsi3_highpart_zext, smuldi3_highpart_rex64,
4682 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
4683 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
4684 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
4685 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
4686 sqrtextenddfxf2_i387): Added amdfam10_decode.
4687
4688 * config/i386/athlon.md (athlon_idirect_amdfam10,
4689 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
4690 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
4691 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
4692 athlon_ivector_store_amdfam10): New define_insn_reservation.
4693 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
4694 amdfam10.
4695
4696 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4697
4698 * config/i386/athlon.md (athlon_call_amdfam10,
4699 athlon_pop_amdfam10, athlon_lea_amdfam10): New
4700 define_insn_reservation.
4701 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
4702 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
4703 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
4704
4705 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4706
4707 * config/i386/athlon.md (athlon_sseld_amdfam10,
4708 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
4709 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
4710
4711 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4712
4713 * config/i386/athlon.md (athlon_sseins_amdfam10): New
4714 define_insn_reservation.
4715 * config/i386/i386.md (sseins): Added sseins to define_attr type
4716 and define_attr unit.
4717 * config/i386/sse.md: Set type attribute to sseins for insertq
4718 and insertqi.
4719
4720 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4721
4722 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
4723 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
4724 ssecomi_load_amdfam10, ssecomi_amdfam10,
4725 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
4726 define_insn_reservation.
4727 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
4728
4729 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4730
4731 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
4732 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
4733 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
4734 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
4735 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
4736 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
4737 define_insn_reservation.
4738
4739 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
4740 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
4741 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
4742 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
4743 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
4744
4745 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4746
4747 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
4748 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
4749 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
4750 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
4751 athlon_ssemul_load_k8): Added amdfam10.
4752
4753 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4754
4755 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
4756 (x86_sse_unaligned_move_optimal): New variable.
4757
4758 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
4759 m_AMDFAM10.
4760 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
4761 for unaligned vector SSE double/single precision loads for AMDFAM10.
4762
4763 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4764
4765 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
4766 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
4767 Define TARGET_CPU_DEFAULT_amdfam10.
4768 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
4769 (processor_type): Add PROCESSOR_AMDFAM10.
4770
4771 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
4772 processor_type in config/i386/i386.h.
4773 Enable imul peepholes for TARGET_AMDFAM10.
4774
4775 * config.gcc: Add support for --with-cpu option for amdfam10.
4776
4777 * config/i386/i386.c (amdfam10_cost): New variable.
4778 (m_AMDFAM10): New macro.
4779 (m_ATHLON_K8_AMDFAM10): New macro.
4780 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4781 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
4782 x86_promote_QImode, x86_integer_DFmode_moves,
4783 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4784 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
4785 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
4786 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
4787 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
4788 Enable/disable for amdfam10.
4789 (override_options): Add amdfam10_cost to processor_target_table.
4790 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
4791 processor_alias_table.
4792 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
4793 (ix86_adjust_cost): Add code for amdfam10.
4794
4795 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4796
4797 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
4798 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
4799 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
4800 * config/i386/i386.h: Add builtin definition for SSE4A.
4801 * config/i386/i386.md: Add support for ABM instructions
4802 (popcnt and lzcnt).
4803 * config/i386/sse.md: Add support for SSE4A instructions
4804 (movntss, movntsd, extrq, insertq).
4805 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
4806 Add -march=amdfam10 flag.
4807 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
4808 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
4809 and amdfam10.
4810 * doc/extend.texi: Add documentation for SSE4A builtins.
4811
4812 2007-02-05 Bob Wilson <bob.wilson@acm.org>
4813
4814 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
4815
4816 2007-02-05 Richard Guenther <rguenther@suse.de>
4817
4818 * tree-vectorizer.h (vectorizable_function): Add argument type
4819 argument, change return type.
4820 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
4821 * tree-vect-transform.c (vectorizable_function): Handle extra
4822 argument, return vectorized function decl.
4823 (build_vectorized_function_call): Remove.
4824 (vectorizable_call): Handle calls with result and argument types
4825 differing. Handle loop vectorization factor correctly.
4826 * targhooks.c (default_builtin_vectorized_function): Adjust for
4827 extra argument.
4828 * targhooks.h (default_builtin_vectorized_function): Likewise.
4829 * target.h (builtin_vectorized_function): Add argument type
4830 argument.
4831 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
4832 extra argument, allow vectorizing of lrintf.
4833 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
4834 documentation of target hook.
4835
4836 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
4837
4838 PR target/30665
4839 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
4840 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
4841 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
4842
4843 2007-02-05 Roger Sayle <roger@eyesopen.com>
4844
4845 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
4846 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
4847 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
4848 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
4849 before canonicalizing sincos to cexpi.
4850 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
4851
4852 2007-02-05 Roger Sayle <roger@eyesopen.com>
4853
4854 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
4855 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
4856 (alpha_init_builtins): Use alpha_add_builtins to process tables.
4857
4858 2007-02-05 Roger Sayle <roger@eyesopen.com>
4859
4860 * mips-tfile.c (initialize_init_file): Correct endianness test.
4861
4862 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
4863
4864 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
4865 the 'y' constraint.
4866
4867 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4868
4869 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
4870 saves in a PARALLEL before the register assignments.
4871
4872 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4873
4874 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
4875 DWARF_FRAME_RETURN_COLUMN to be a general register.
4876 * dwarf2out.c (init_return_column_size): New function, split from...
4877 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
4878 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
4879 to be nongeneral registers.
4880 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
4881 integer registers.
4882 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
4883 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
4884
4885 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4886
4887 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
4888
4889 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4890
4891 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
4892 (remove_path): Use can_remove_branch_p and remove_branch instead
4893 of loop_delete_branch_edge.
4894 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
4895 (tree_transform_and_unroll_loop): Remove dead branches immediately.
4896 Update profile using scale_dominated_blocks_in_loop.
4897 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
4898 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
4899 (can_remove_branch_p, remove_branch): Declare.
4900 * tree-cfg.c (tree_can_remove_branch_p): New function.
4901 (tree_cfg_hooks): Add tree_can_remove_branch_p.
4902 * cfgrtl.c (rtl_can_remove_branch_p): New function.
4903 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
4904
4905 2007-02-05 Jan Hubicka <jh@suse.cz>
4906
4907 PR middle-end/30696
4908 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
4909 nodes in cgraph, don't remove offline copy of the function.
4910
4911 2007-02-04 Jan Hubicka <jh@suse.cz>
4912
4913 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
4914 vectors might cause maybe_lookup_element_for_expr to be called
4915 on non-sra-candidate.
4916
4917 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4918
4919 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
4920 config/bfin/bfin.md, config/bfin/predicates.md: Follow
4921 spelling conventions.
4922
4923 2007-02-04 Richard Guenther <rguenther@suse.de>
4924
4925 PR middle-end/30636
4926 * fold-const.c (try_move_mult_to_index): Make sure to not
4927 overflow one dimension of a multi-dimensional array access.
4928
4929 2007-02-04 Jan Hubicka <jh@suse.cz>
4930
4931 * passes.c (init_optimization_passes): Reindent.
4932
4933 2007-02-04 Jan Hubicka <jh@suse.cz>
4934 Eric Botcazou <ebotcazou@adacore.com>
4935
4936 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
4937 (execute_fixup_cfg): Break out the abnormal goto code.
4938 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
4939 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
4940 (optimize_inline_calls): Call make_nonlocal_label_edges.
4941
4942 2007-02-04 Jan Hubicka <jh@suse.cz>
4943
4944 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
4945 true when something was changed.
4946 (rename_ssa_copies): When something was changed, do
4947 TODO_remove_unused_locals.
4948 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4949 add TODO_remove_unused_locals when instruction was removed.
4950
4951 2007-02-04 Jan Hubicka <jh@suse.cz>
4952
4953 * ipa-inline.c (try_inline): Improve debug output; work on already
4954 inline edges too.
4955 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
4956 call try_inline for already inlined edges too when flattening;
4957 inline also functions that make callee growth but overall unit size
4958 reduce.
4959
4960 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4961
4962 * config/m32c/bitops.md, config/m32c/jump.md,
4963 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
4964 config/m32r/m32r.h, config/m32r/m32r.md,
4965 config/m32r/predicates.md, config/m68hc11/larith.asm,
4966 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
4967 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
4968 config/mips/mips-protos.h, config/mips/mips.c,
4969 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
4970 config/mn10300/mn10300.h, config/mn10300/predicates.md,
4971 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
4972 spelling conventions.
4973
4974 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
4975 Follow spelling conventions.
4976
4977 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
4978
4979 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
4980 warn about C++0x compatibility.
4981
4982 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4983
4984 * config/h8300/h8300.c, config/h8300/h8300.h,
4985 config/h8300/h8300.md: Follow spelling conventions.
4986
4987 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
4988
4989 PR middle-end/30667
4990 * combine.c (try_combine): Do not substitute source operand
4991 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
4992
4993 2007-02-03 Jan Hubicka <jh@suse.cz>
4994
4995 PR gcov-profile/30650
4996 * value-prof.c (stringop_block_profile): Fix handling of size counter;
4997 do not divide by zero for never executed counters.
4998 (tree_find_values_to_profile): Fix counters.
4999 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
5000
5001 2007-02-03 Ian Lance Taylor <iant@google.com>
5002
5003 * lower-subreg.c (simple_move_operand): New static function,
5004 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
5005 operands.
5006 (simple_move): Call simple_move_operand.
5007 (find_decomposable_subregs): Add special handling of MEMs.
5008 (can_decompose_p): Rename from cannot_decompose_p. Reverse
5009 meaning of return value. If we see a hard register, test whether
5010 it can store a word_mode value. Change all callers.
5011
5012 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5013
5014 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
5015 ftrapv insns and expanders.
5016 (subdi3): Change define_expand operand 1 to arith11_operand, and
5017 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
5018 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
5019 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
5020 respectively.
5021
5022 PR middle-end/30174
5023 * varasm.c (notice_global_symbol): Treat global objects as weak when
5024 flag_shlib is true.
5025
5026 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5027
5028 * emit-rtl.c (dconstpi): Delete.
5029 (dconstsqrt2): New.
5030 (init_emit_once): Delete dconstpi and init dconstsqrt2.
5031 * real.h (dconstpi): Delete.
5032 (dconstsqrt2): New.
5033 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
5034 (fold_builtin_hypot): Likewise.
5035
5036 2007-02-03 Tom Tromey <tromey@redhat.com>
5037
5038 PR driver/30246
5039 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
5040 -gcoff3, -gxcoff3, -gvms3 implies -dD.
5041
5042 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
5043
5044 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
5045 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
5046 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
5047 config/rs6000/cell.md, config/rs6000/darwin.h,
5048 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
5049 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
5050 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
5051 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
5052 typos. Follow spelling conventions.
5053 * doc/invoke.texi: Follow spelling conventions.
5054
5055 2007-02-03 Roger Sayle <roger@eyesopen.com>
5056
5057 * simplify-rtx.c (simplify_relational_operation_1): Implement some
5058 canonicalization transformations that attempt to simplify integer
5059 constant comparisons to become comparisons against zero.
5060
5061 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5062
5063 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5064 fabs(x)*sqrt(2).
5065 * fold-const.c (fold_binary): Fix comment typos. Fold complex
5066 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
5067
5068 2007-02-02 Mike Stump <mrs@apple.com>
5069
5070 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5071 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5072 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5073 generate a branch island.
5074
5075 2007-02-02 Bob Wilson <bob.wilson@acm.org>
5076
5077 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5078 (xtensa_legitimate_address_p): New.
5079 (xtensa_legitimize_address): New.
5080 (xtensa_output_addr_const_extra): New.
5081 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5082 (BASE_REG_P): New.
5083 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5084 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5085 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5086 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5087 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5088 (xtensa_legitimize_address): New.
5089 (xtensa_output_addr_const_extra): New.
5090
5091 2007-02-02 Steve Ellcey <sje@cup.hp.com>
5092
5093 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5094
5095 2007-02-02 Ian Lance Taylor <iant@google.com>
5096
5097 * expmed.c (expand_divmod): Add comment.
5098
5099 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
5100
5101 * emit-rtl.c (renumber_insns): Remove.
5102 * flags.h: Remove the extern for flag_renumber_insns.
5103 * rtl.h: Remove the prototype for renumber_insns.
5104 * toplev.c (flag_renumber_insns): Remove.
5105
5106 2007-02-02 Hui-May Chang <hm.chang@apple.com>
5107
5108 Revert for x86 darwin:
5109 2005-06-19 Uros Bizjak <uros@kss-loka.si>
5110
5111 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5112 code before the following patch under TARGET_MACHO.
5113 (ix86_function_value_regno_p): Likewise.
5114
5115 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5116
5117 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5118 COMPLEX_EXPR.
5119
5120 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5121
5122 PR target/29682
5123 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5124 general or fp registers. Add comments.
5125 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5126
5127 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
5128
5129 * pointer-set.c (insert_aux): Only return insertion slot.
5130 (pointer_set_insert): Adjust.
5131 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5132 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5133 pointer_map_traverse): New.
5134 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5135 pointer_map_create, pointer_map_destroy, pointer_map_insert,
5136 pointer_map_contains, pointer_map_traverse): Declare.
5137
5138 2007-02-02 Jakub Jelinek <jakub@redhat.com>
5139
5140 PR middle-end/30473
5141 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5142 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
5143
5144 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5145
5146 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5147
5148 (struct _dep): New type.
5149 (dep_t): New typedef.
5150 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5151 (DEP_STATUS): New access macro. The macro with the same name was
5152 renamed to DEP_LINK_STATUS.
5153 (dep_init): Declare function
5154
5155 (struct _dep_link): New type.
5156 (dep_link_t): New typedef.
5157 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5158 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5159 (DEP_LINK_STATUS): New macro.
5160 (debug_dep_links): New debug function.
5161
5162 (struct _deps_list): New type.
5163 (deps_list_t): New typedef.
5164 (DEPS_LIST_FIRST): New access macro.
5165 (FOR_EACH_DEP_LINK): New cycle macro.
5166 (create_deps_list, free_deps_list, delete_deps_list): Declare
5167 functions.
5168 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5169 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5170 (copy_deps_list_change_con): Ditto.
5171
5172 (move_dep_link): Declare function.
5173
5174 (struct _dep_node): New type.
5175 (dep_node_t): New typedef.
5176 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
5177
5178 (struct haifa_insn_data.back_deps): New field to hold backward
5179 dependencies of the insn.
5180 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
5181 to deps_list_t.
5182 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
5183 Change its type to deps_list_t.
5184 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
5185 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
5186 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
5187
5188 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
5189
5190 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
5191
5192 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
5193 all callers.
5194 (dep_cost): Declare.
5195
5196 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
5197 (ds_to_dk, dk_to_ds): New functions.
5198
5199 (init_dep_1): New static function.
5200 (init_dep): New function.
5201 (copy_dep): New static function.
5202
5203 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
5204 functions.
5205 (detach_dep_link): New static function.
5206 (move_dep_link): New function.
5207
5208 (dep_links_consistent_p, dump_dep_links): New static functions.
5209 (debug_dep_links): New debugging function.
5210
5211 (deps_obstack, dl_obstack, dn_obstack): New static variables.
5212
5213 (alloc_deps_list, init_deps_list): New static functions.
5214 (create_deps_list): New function.
5215 (clear_deps_list): New static function.
5216 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
5217 (deps_list_consistent_p, dump_deps_list): New static functions.
5218 (debug_deps_list): New function.
5219 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
5220 functions.
5221 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
5222
5223 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
5224 use new scheduler dependencies lists.
5225 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
5226 (sched_analyze): Ditto. Initialize dependencies lists.
5227 (add_forw_dep, compute_forward_dependences): Update to use new
5228 scheduler dependencies lists.
5229
5230 (init_dependency_caches): Init deps_obstack.
5231 (free_dependency_caches): Free deps_obstack.
5232
5233 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
5234 new scheduler dependencies lists.
5235 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
5236 (add_back_forw_dep, delete_back_forw_dep): Ditto.
5237
5238 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
5239 Update to use new scheduler dependencies lists.
5240 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
5241 (debug_dependencies): Ditto.
5242 (schedule_region): Update comments.
5243
5244 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
5245 scheduler dependencies lists.
5246 (schedule_ebb): Update comments.
5247
5248 * rtl.def (DEPS_LIST): Remove.
5249
5250 * lists.c (unused_deps_list): Remove.
5251 (free_list): Update assertions.
5252
5253 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
5254 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5255
5256 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
5257 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5258
5259 * haifa-sched.c (comments): Update.
5260 (insn_cost1): Remove. Inline the code into insn_cost ().
5261 (insn_cost): Update to use new scheduler dependencies lists. Move
5262 processing of the dependency cost to dep_cost ().
5263 (dep_cost): New function. Use it instead of insn_cost () when
5264 evaluating cost of the dependency. Use compatible interface to
5265 interact with the target.
5266 (priority): Update to use new scheduler dependencies lists.
5267 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
5268 with greater number of insns that depend on the insn.
5269 (schedule_insn): Update to use new scheduler dependencies lists. Add
5270 code to free backward dependencies lists. Inline and optimize code
5271 from resolve_dep () - see PR28071.
5272 (ok_for_early_queue_removal): Update to use new scheduler dependencies
5273 lists. Update call to targetm.sched.is_costly_dependence hook.
5274
5275 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5276 scheduler dependencies lists.
5277
5278 (resolve_dep): Remove. Move the logic to schedule_insn ().
5279 (init_h_i_d): Initialize dependencies lists.
5280
5281 (process_insn_depend_be_in_spec): Rename to
5282 process_insn_forw_deps_be_in_spec. Update to use new scheduler
5283 dependencies lists.
5284 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
5285 Update to use new scheduler dependencies lists.
5286 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
5287
5288 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
5289 new scheduler dependencies lists.
5290 (build_intra_loop_deps): Ditto.
5291
5292 * target.h (struct _dep): Declare to use in
5293 gcc_target.sched.is_costly_dependence.
5294 (struct gcc_target.sched.adjust_cost): Fix typo.
5295 (struct gcc_target.sched.is_costly_dependence): Change signature to use
5296 single dep_t parameter instead of an equivalent triad.
5297 (struct gcc_target.sched.adjust_cost_2): Remove.
5298
5299 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
5300
5301 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
5302
5303 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
5304 documentation.
5305 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
5306
5307 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
5308 (REG_DEP_TRUE): Document.
5309
5310 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
5311 Change signature to correspond to the targetm.sched.adjust_cost hook.
5312 Update use in TARGET_SCHED_ADJUST_COST_2.
5313 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
5314 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
5315 new scheduler dependencies lists.
5316 (ia64_gen_check): Ditto.
5317
5318 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
5319 dependencies lists.
5320
5321 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
5322 signature to correspond to the targetm.sched.is_costly_dependence hook.
5323 (is_costly_group): Update to use new scheduler dependencies lists.
5324
5325 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
5326 instead of INSN_COST () macro.
5327
5328 2007-02-01 Ian Lance Taylor <iant@google.com>
5329
5330 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
5331
5332 2007-02-01 Guy Martin <gmsoft@gentoo.org>
5333
5334 * pa.md (tp_load): Correct mfctl instruction syntax.
5335
5336 2007-02-01 Geoffrey Keating <geoffk@apple.com>
5337
5338 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
5339 altivec_padding_size calculation on AIX. Improve comment, add
5340 assert to verify that it's right.
5341
5342 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
5343 64-bit.
5344
5345 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
5346
5347 PR inline-asm/28686
5348 * global.c (global_alloc): Add mising initialization of
5349 ELIMINABLE_REGSET.
5350
5351 2007-02-01 Roger Sayle <roger@eyesopen.com>
5352
5353 * alias.c (init_alias_analysis): Correct whitespace.
5354 * bb-reorder.c (fix_edges_for_rarely_executed_code,
5355 partition_hot_cold_basic_blocks): Likewise.
5356 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
5357 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
5358 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
5359 fold_builtin_snprintf_chk, fold_builtin_printf,
5360 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
5361 do_mpfr_arg3, do_mpfr_sincos): Likewise.
5362 * cfgcleanup.c (cleanup_cfg): Likewise.
5363 * cfgexpand.c (tree_expand_cfg): Likewise.
5364 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
5365 * function.c (get_next_funcdef_no): Likewise.
5366 * gengtype.c (main): Likewise.
5367 * genmodes.c (main): Likewise.
5368 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
5369 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
5370 * ifcvt.c (noce_emit_move_insn): Likewise.
5371 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
5372 Likewise.
5373 * stor-layout.c (get_best_mode): Likewise.
5374 * tree-ssa-loop-niter.c (get_val_for): Likewise.
5375 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
5376 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
5377 perform_var_substitution, solve_graph): Likewise.
5378 * tree-vrp.c (vrp_finalize): Likewise.
5379
5380 2007-02-01 Ian Lance Taylor <iant@google.com>
5381
5382 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
5383 high part of a paradoxical subreg, return a constant zero.
5384
5385 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
5386
5387 * toplev.c (lang_dependent_init): Call init_set_costs.
5388 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
5389
5390 2007-02-01 Richard Guenther <rguenther@suse.de>
5391
5392 PR middle-end/30656
5393 * fold-const.c (fold_negate_expr): Allow negating a
5394 constant if overflow does not change.
5395
5396 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5397
5398 * doc/c-tree.texi (Expression trees): Improve markup.
5399 * doc/tm.texi (Register Classes, Addressing Modes)
5400 (Floating Point): Fix spacing after abbreviations. Fix some
5401 typos.
5402
5403 2007-02-01 Ben Elliston <bje@au.ibm.com>
5404
5405 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
5406 * doc/contrib.texi: Likewise.
5407 * doc/install.texi: Likewise.
5408
5409 2007-01-31 Richard Henderson <rth@redhat.com>
5410 Ian Lance Taylor <iant@google.com>
5411
5412 * lower-subreg.c: New file.
5413 * rtl.def (CONCATN): Define.
5414 * passes.c (init_optimization_passes): Add pass_lower_subreg and
5415 pass_lower_subreg2.
5416 * emit-rtl.c (update_reg_offset): New static function, broken out
5417 of gen_rtx_REG_offset.
5418 (gen_rtx_REG_offset): Call update_reg_offset.
5419 (gen_reg_rtx_offset): New function.
5420 * regclass.c: Revert patch of 2006-03-05, restoring
5421 reg_scan_update.
5422 (clear_reg_info_regno): New function.
5423 * dwarf2out.c (concatn_loc_descriptor): New static function.
5424 (loc_descriptor): Handle CONCATN.
5425 * common.opt (fsplit_wide_types): New option.
5426 * opts.c (decode_options): Set flag_split_wide_types when
5427 optimizing.
5428 * timevar.def (TV_LOWER_SUBREG): Define.
5429 * rtl.h (gen_reg_rtx_offset): Declare.
5430 (reg_scan_update): Declare.
5431 * regs.h (clear_reg_info_regno): Declare.
5432 * tree-pass.h (pass_lower_subreg): Declare.
5433 (pass_lower_subreg2): Declare.
5434 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
5435 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
5436 -fsplit-wide-types.
5437 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
5438 * Makefile.in (OBJS-common): Add lower-subreg.o.
5439 (lower-subreg.o): New target.
5440
5441 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5442
5443 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
5444
5445 2007-01-31 Anatoly Sokolov <aesok@post.ru>
5446
5447 PR target/19087
5448 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
5449
5450 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5451
5452 PR middle-end/29335
5453 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
5454
5455 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
5456
5457 * cfgloop.h: Include vec-prim.h.
5458 (enum li_flags): Remove LI_ONLY_OLD.
5459 (loop_iterator): Changed.
5460 (fel_next, fel_init): Iterate over loop tree.
5461 (FOR_EACH_LOOP_BREAK): New macro.
5462 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
5463 FOR_EACH_LOOP.
5464 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
5465 * modulo-sched.c (sms_schedule): Ditto.
5466 * tree-vectorizer.c (vectorize_loops): Ditto.
5467 * doc/loop.texi: Update information on loop numbering and behavior of
5468 FOR_EACH_LOOP wrto new loops.
5469 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5470 add_to_evolution_1): Test nestedness of loops instead of comparing
5471 their numbers.
5472 * tree-chrec.c (chrec_fold_plus_poly_poly,
5473 chrec_fold_multiply_poly_poly, chrec_evaluate,
5474 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
5475 reset_evolution_in_loop): Ditto.
5476 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
5477
5478 2007-01-31 Dirk Mueller <dmueller@suse.de>
5479
5480 * c-common.c (warn_about_parentheses): Separate warning about
5481 un-parenthized sequence of comparison operators from the one
5482 which is supposed to warn about x <= y <= z.
5483
5484 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
5485
5486 * optabs.h (enum optab_index): Add new OTI_isinf.
5487 (isinf_optab): Define corresponding macro.
5488 * optabs.c (init_optabs): Initialize isinf_optab.
5489 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
5490 patterns.
5491 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
5492 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
5493 using isinf_optab.
5494 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
5495 expand_builtin_interclass_mathfn.
5496 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
5497 * config/i386/i386.md (UNSPEC_FXAM): New constant.
5498 (fxam<mode>2_i387): New insn pattern.
5499 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
5500 built-in functions as x87 inline asm.
5501
5502 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5503
5504 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
5505
5506 2007-01-30 Eric Christopher <echristo@apple.com>
5507
5508 * config.gcc: Add geode.
5509
5510 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5511
5512 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
5513 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
5514 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
5515 value-prof.c: Fix comment typos.
5516
5517 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5518
5519 PR c++/24745
5520 * doc/invoke.texi (Wpointer-arith): Document warning.
5521
5522 2007-01-30 Janis Johnson <janis187@us.ibm.com>
5523
5524 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
5525 the list of discrepancies from the draft TR.
5526
5527 2007-01-30 Dirk Mueller <dmueller@suse.de>
5528
5529 PR c++/30601
5530 * doc/invoke.texi (-Wreturn-type): Update description to
5531 match new behavior.
5532
5533 2007-01-30 Richard Sandiford <richard@codesourcery.com>
5534
5535 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
5536
5537 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
5538
5539 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
5540 to handle optabs that operate on floating point input argument and
5541 output to integer output.
5542 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
5543 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
5544 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
5545 expand_builtin_interclass_mathfn ().
5546 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
5547 (ilogbsi2): Remove.
5548 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
5549 ilogbl built-in functions as x87 intrinsics.
5550
5551 2007-01-30 Richard Guenther <rguenther@suse.de>
5552
5553 PR middle-end/27657
5554 * dwarf2out.c (reference_to_unused): Query varpool if the
5555 variable was output.
5556
5557 2007-01-30 Richard Guenther <rguenther@suse.de>
5558
5559 PR middle-end/30313
5560 * passes.c (execute_one_pass): Reset in_gimple_form to not
5561 confuse non-unit-at-a-time mode.
5562
5563 2007-01-29 Roger Sayle <roger@eyesopen.com>
5564 Richard Guenther <rguenther@suse.de>
5565
5566 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
5567 avoid undefined behaviour on overflow. Use force_fit_type_double
5568 to construct the constant with the specified TREE_OVERFLOW.
5569
5570 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5571
5572 * config/dfp-bit.c: Add parameterized support for fp exceptions.
5573 * config/dfp-bit.h: Ditto.
5574
5575 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5576
5577 * c-decl.c (pop_scope): Replace warnings with call to
5578 warn_for_unused_label.
5579 * c-common.h (warn_for_unused_label): Declare.
5580 * c-common.c (warn_for_unused_label): Define.
5581
5582 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5583
5584 * tree-optimize.c (update_inlined_to_pointers): Delete unused
5585 function.
5586
5587 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5588
5589 * Makefile.in (USER_H): Remove decfloat.h.
5590 * ginclude/decfloat.h: Delete, moving contents to ...
5591 * ginclude/float.h: Add support for decimal floating point,
5592 guarded by __STDC_WANT_DEC_FP__.
5593
5594 2007-01-29 Mike Stump <mrs@apple.com>
5595
5596 * doc/gccint.texi (Top): Rename Loop Representation to Loop
5597 Analysis and Representation to resolve case insensitive conflict.
5598 * doc/loop.texi (Loop Analysis and Representation): Likewise.
5599
5600 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
5601
5602 * tree.h (struct tree_memory_tag): Add aliases member.
5603 (MTAG_ALIASES): New macro.
5604 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
5605 (add_may_alias): Remove pointer-set. Update for may_aliases being
5606 a bitmap.
5607 (mark_aliases_call_clobbered): Update for may_aliases being a
5608 bitmap.
5609 (compute_tag_properties): Ditto.
5610 (create_partition_for): Ditto.
5611 (compute_memory_partitions): Ditto.
5612 (dump_may_aliases_for): Ditto.
5613 (is_aliased_with): Ditto.
5614 (add_may_alias_for_new_tag): Ditto.
5615 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
5616 (compute_is_aliased): New function.
5617 (compute_may_aliases): Call compute_is_aliased).
5618 (init_alias_info): Initialize alias_bitmap_obstack.
5619 (union_alias_set_into): New function.
5620 (compute_flow_sensitive_aliasing): Use union_aliases_into.
5621 (have_common_aliases_p): Rewrite to take two bitmaps and use
5622 intersection.
5623 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
5624 Update for bitmaps.
5625 (finalize_ref_all_pointers): Update for add_may_alias changes.
5626 (new_type_alias): Ditto.
5627 * tree-flow-inline.h (may_aliases): Return a bitmap.
5628 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
5629 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
5630 may_aliases being a bitmap.
5631 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
5632 may_aliases now returns a bitmap.
5633 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
5634 being a bitmap.
5635 * tree-ssa-operands.c (add_virtual_operand): Update for
5636 may_aliases being a bitmap.
5637
5638 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
5639
5640 PR tree-optimization/30630
5641 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
5642 variable as changed.
5643
5644 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
5645
5646 PR c++/28266
5647 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
5648 expanded only once even if an error occurs.
5649
5650 2007-01-29 Ben Elliston <bje@au.ibm.com>
5651
5652 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
5653 (__gcov_average_profiler): Likewise.
5654 (__gcov_ior_profiler): Likewise.
5655 (__gcov_merge_ior): Likewise.
5656
5657 2007-01-28 Jan Hubicka <jh@suse.cz>
5658
5659 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
5660 * value-prof.c (stringop_block_profile): Likewise.
5661
5662 2007-01-28 Jan Hubicka <jh@suse.cz>
5663
5664 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
5665 variant handling histograms; add wrapper.
5666 (clear_storage_via_libcall): Export.
5667 (emit_block_move_hints): Break out from ...; add histograms.
5668 (emit_block_move): ... this one.
5669 (clear_storage_hints): Break out from ...; add histograms.
5670 (clear_storage): ... this one.
5671 (set_storage_via_memset): Handle histogram.
5672 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
5673 (clear_storage_hints, clear_storage_via_libcall): Declare.
5674 (set_storage_via_setmem): Update prototype.
5675 * doc/md.texi (movmem, setmem): Document new arguments.
5676
5677 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
5678 new histograms.
5679 (stringop_block_profile): New global function.
5680 (tree_stringops_values_to_profile): Profile block size and alignment.
5681 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
5682 HIST_TYPE_IOR.
5683 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
5684 (stringop_block_profile): Declare.
5685 * builtins.c: Include value-prof.h.
5686 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
5687 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
5688 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
5689 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
5690 * profile.c (instrument_values): Add new counters.
5691 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
5692 calls.
5693 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
5694 (tree_init_edge_profiler): Build new profilers.
5695 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
5696 (pass_tree_profile): Add dump.
5697 (tree_profile_hooks): Update.
5698 * Makefile.in (LIBGCOV): Add new constants.
5699 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
5700 __gcov_ior_profiler): New.
5701 * i386.md (movmem/setmem expanders): Add new optional arguments.
5702
5703 2007-01-28 David Edelsohn <edelsohn@gnu.org>
5704
5705 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
5706
5707 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5708
5709 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
5710 (tree_unswitch_single_loop): Pass eni_size_weights to
5711 tree_num_loop_insns.
5712 * tree-ssa-loop-manip.c: Include tree-inline.h.
5713 (can_unroll_loop_p): Pass eni_size_weights to
5714 tree_num_loop_insns.
5715 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
5716 Pass eni_size_weights to estimate_num_insns.
5717 * tree.h (init_inline_once): Export.
5718 * toplev.c (backend_init): Call init_inline_once.
5719 * cgraphunit.c (cgraph_process_new_functions,
5720 cgraph_analyze_function): Pass eni_inlining_weights to
5721 estimate_num_insns.
5722 * ipa-inline.c (compute_inline_parameters): Ditto.
5723 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
5724 to estimate_num_insns.
5725 (try_unroll_loop_completely): Pass eni_size_weights to
5726 tree_num_loop_insns.
5727 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
5728 ot estimate_num_insns.
5729 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
5730 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
5731 * tree-inline.c (eni_inlining_weights, eni_size_weights,
5732 eni_time_weights): New variables.
5733 (init_inline_once): Initialize them.
5734 (struct eni_data): Mew.
5735 (estimate_num_insns_1, estimate_num_insns): Use weights.
5736 * tree-inline.h (struct eni_weights_d): New.
5737 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
5738 (estimate_num_insns): Declaration changed.
5739 * cfgloop.h (tree_num_loop_insns): Declaration changed.
5740 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
5741 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
5742
5743 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5744
5745 * tree-data-ref.c (conflict_fn): Assert that the number of affine
5746 relations in the conflict function is valid.
5747
5748 2007-01-27 Ian Lance Taylor <iant@google.com>
5749
5750 * common.opt: Add fstrict-overflow.
5751 * opts.c (decode_options): Set flag_strict_overflow if -O2.
5752 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
5753 (TYPE_OVERFLOW_UNDEFINED): Define.
5754 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
5755 Replace all uses.
5756 * tree.h (TYPE_TRAP_SIGNED): Don't define.
5757 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
5758 (fold_negate_expr): Likewise.
5759 (make_range): Likewise.
5760 (extract_muldiv_1): Likewise.
5761 (maybe_canonicalize_comparison): Likewise.
5762 (fold_comparison): Likewise.
5763 (fold_binary): Likewise.
5764 (tree_expr_nonnegative_p): Likewise.
5765 (tree_expr_nonzero_p): Likewise.
5766 * tree-vrp.c (compare_values): Likewise.
5767 (extract_range_from_binary_expr): Likewise.
5768 (extract_range_from_unary_expr): Likewise.
5769 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
5770 Likewise.
5771 (nowrap_type_p): Likewise.
5772 * tree-scalar-evolution.c (simple_iv): Likewise.
5773 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
5774 (build_range_check): Likewise.
5775 (extract_muldiv_1): Likewise.
5776 (fold_comparison): Likewise.
5777 * tree-vrp.c (vrp_int_const_binop): Likewise.
5778 (extract_range_from_unary_expr): Likewise.
5779 * convert.c (convert_to_integer): Likewise.
5780 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
5781 (fold_comparison): Likewise.
5782 (fold_binary): Likewise.
5783 * optabs.c (optab_for_tree_code): Likewise.
5784 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
5785 * simplify-rtx.c (simplify_const_relational_operation): Check
5786 flag_strict_overflow and flag_trapv.
5787 (simplify_const_relational_operation): Likewise.
5788 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
5789 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
5790 -fstrict-overflow.
5791
5792 2007-01-27 Roger Sayle <roger@eyesopen.com>
5793
5794 * tree.c (tree_fold_gcd): Delete.
5795 * tree.h (tree_fold_gcd): Remove prototype.
5796 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
5797 test whether one constant integer is a multiple of another. Instead
5798 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
5799 * fold-const.c (multiple_of_p): We've determined both TOP and
5800 BOTTOM are integer constants so we can call int_const_binop directly
5801 instead of the more generic const_binop.
5802
5803 2007-01-27 Roger Sayle <roger@eyesopen.com>
5804
5805 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
5806 1*X check that the constant hasn't overflowed, to preserve the
5807 TREE_OVERFLOW bit.
5808 (round_up): Provide an efficient implementation when rouding-up an
5809 INTEGER_CST to a power-of-two.
5810
5811 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5812
5813 * doc/sourcebuild.texi: Add comma for clarity.
5814 * doc/extend.texi: Fix some typos.
5815 * doc/passes.texi: Likewise.
5816 * doc/cppinternals.texi: Likewise.
5817 * doc/c-tree.texi: Likewise.
5818 * doc/tree-ssa.texi: Likewise.
5819 * doc/install.texi: Likewise.
5820
5821 2007-01-27 Jan Hubicka <jh@suse.cz>
5822
5823 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
5824 (pass_sra): Do not require alias information.
5825 * passes.c (init_optimization_passes): Add SRA
5826
5827 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
5828
5829 * tracer.c (rest_of_handle_tracer): We already cleaned
5830 up the CFG in tracer() so don't do it here again.
5831 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
5832 cleanup_cfg here, either. And don't call renumber_insns.
5833
5834 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
5835 and BB_HEAD are in the insn stream here. Instead make sure
5836 that BB_INSN is valid on all insns. Also, do check here that
5837 there are no pending branch predictions...
5838 (rtl_verify_flow_info): ...instead of doing it here. Checks
5839 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
5840 here.
5841
5842 2007-01-26 Roger Sayle <roger@eyesopen.com>
5843
5844 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
5845 function to simplify/factorize operand order canonicalization.
5846 (ix86_fixup_binary_operands): Reorganize using the above function.
5847 (ix86_binary_operator_ok): Likewise.
5848
5849 2007-01-27 Jakub Jelinek <jakub@redhat.com>
5850
5851 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
5852 file scope from optimize_attrs.
5853 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
5854 up search.
5855 (optimize_attrs): Clear insn_code_values after freeing it.
5856
5857 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5858
5859 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
5860 a parts.base assignment.
5861
5862 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5863
5864 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
5865 (compute_subscript_distance, initialize_data_dependence_relation,
5866 finalize_ddr_dependent, analyze_ziv_subscript,
5867 analyze_siv_subscript_cst_affine,
5868 compute_overlap_steps_for_affine_univar,
5869 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5870 analyze_siv_subscript, analyze_miv_subscript,
5871 analyze_overlapping_iterations, subscript_dependence_tester_1,
5872 compute_self_dependence, free_dependence_relation): Work
5873 with affine_fn instead of chrecs.
5874 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
5875 common_affine_function, affine_function_base,
5876 affine_function_constant_p, affine_fn_op, affine_fn_plus,
5877 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
5878 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
5879 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
5880 (all_chrecs_equal_p): Removed.
5881 * tree-data-ref.h (affine_fn, conflict_function): New types.
5882 (struct subscript): Change type of conflicting_iterations_in_a
5883 and conflicting_iterations_in_b.
5884
5885 2007-01-26 Steve Ellcey <sje@cup.hp.com>
5886
5887 PR other/30182
5888 * config/pa/pa.h (TARGET_HPUX_11): New.
5889 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
5890 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
5891
5892 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
5893 Richard Guenther <rguenther@suse.de>
5894
5895 * tree-ssa-structalias.c (solve_graph): Handle case
5896 we merged the variable to another.
5897
5898 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5899
5900 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
5901 functions.
5902
5903 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
5904 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
5905
5906 2007-01-25 DJ Delorie <dj@redhat.com>
5907
5908 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
5909 allow changes to modes which don't fit in those registers.
5910
5911 * reload1.c (choose_reload_regs): Check for invalid subregs before
5912 computing their locations, not after.
5913
5914 2007-01-25 Geoffrey Keating <geoffk@apple.com>
5915
5916 PR 25127
5917 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
5918 save Altivec registers in an eh_return function.
5919 (compute_vrsave_mask): Likewise.
5920 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
5921 for saving Altivec registers.
5922 (rs6000_emit_prologue): Don't allocate stack twice in
5923 eh_return function. Correct expected value of altivec_save_offset
5924 when using save_world. Describe save of R0 to stack when using
5925 save_world. Describe stack pointer adjustment when using
5926 save_world. Remove duplicated eh_return parameter register saving.
5927 Update sp_offset variable after save_world.
5928 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
5929 darwin-world.asm.
5930 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
5931 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
5932 implies Altivec.
5933
5934 2007-01-25 Steve Ellcey <sje@cup.hp.com>
5935
5936 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
5937
5938 2007-01-25 Steve Ellcey <sje@cup.hp.com>
5939
5940 PR other/30182
5941 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
5942 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
5943
5944 2007-01-25 Richard Guenther <rguenther@suse.de>
5945
5946 * doc/invoke.texi (-Wcoverage-mismatch): Document.
5947 * common.opt (-Wcoverage-mismatch): New warning option.
5948 * coverage.c (get_coverage_counts): Ignore coverage mismatch
5949 if -Wcoverage-mismatch is given.
5950
5951 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
5952
5953 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
5954 (ipcp_driver): Change to static definition.
5955 Add dumping of the ifunctions.
5956 (constant_val_insert): Remove unused parameter. Support for SSA.
5957 (ipcp_propagate_const): Support for SSA.
5958 (ipcp_profile_bb_print): Print only analyzed nodes.
5959 (ipcp_replace_map_create): Remove support for Fortran constant
5960 for now.
5961 * ipa-prop.c (ipa_method_modify_stmt,
5962 ipa_callsite_compute_param): Support for SSA.
5963 * ipa-prop.h (ipcp_driver): Remove declaration.
5964 (IS_VALID_TREE_MAP_INDEX): Add define.
5965
5966 2007-01-24 Geoffrey Keating <geoffk@apple.com>
5967
5968 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
5969
5970 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5971
5972 PR middle-end/30447
5973 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
5974 constant argument to cabs and do it without checking for
5975 -funsafe-math-optimizations.
5976
5977 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
5978
5979 * c-common.h (RID_FIRST_CXX0X): New.
5980 (RID_LAST_CXX0X): New.
5981 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
5982 by -Wall.
5983 * c.opt (Wc++0x-compat): New.
5984 * doc/invoke.texi (-Wc++0x-compat): Document.
5985
5986 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5987
5988 * builtins.c (fold_builtin_carg): New.
5989 (fold_builtin_1): Use it.
5990
5991 2007-01-24 Jan Hubicka <jh@suse.cz>
5992
5993 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
5994
5995 * ipa-inline.c (initial_insns, max_insns): Delete.
5996 (compute_max_insns): New function.
5997 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
5998 of insns as base for code growth.
5999 (cgraph_decide_inlining): Make initial_insns local; do not compute
6000 max_insns.
6001 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
6002 * doc/invoke.texi (inline-unit-growth): Update docs.
6003
6004 2007-01-24 Jakub Jelinek <jakub@redhat.com>
6005
6006 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
6007 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
6008 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
6009 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
6010 for CPUs that have PTA_CX16 set.
6011
6012 PR middle-end/27416
6013 * gimplify.c (omp_check_private): New function.
6014 (gimplify_scan_omp_clauses): Use it for
6015 firstprivate/lastprivate/reduction.
6016
6017 PR middle-end/30494
6018 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
6019 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
6020
6021 PR middle-end/30421
6022 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
6023 If lower_lastprivate_clauses emits some statements, append them
6024 to dlist rather than body_p and to body_p append an initializer.
6025 (lower_omp_for): Adjust caller.
6026
6027 2007-01-24 Steve Ellcey <sje@cup.hp.com>
6028
6029 * target.h (globalize_decl_name): New.
6030 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6031 * output.h (default_globalize_decl_name): New.
6032 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
6033 globalize_label.
6034 (globalize_decl): Ditto.
6035 (default_globalize_decl_name): New.
6036 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
6037 (ia64_handle_version_id_attribute): New.
6038 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6039 (ia64_asm_output_external): Use globalize_decl_name instead
6040 of globalize_label.
6041 * doc/extend.texi (version_id): New pragma.
6042 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
6043
6044 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6045
6046 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
6047 _uleb128_t and _Unwind_SWord with _sleb128_t.
6048 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
6049 uw_frame_state_for, uw_update_context_1): Likewise.
6050 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
6051 * unwind-pe.h (read_uleb128, read_sleb128,
6052 read_encoded_value_with_base): Likewise.
6053 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
6054
6055 2007-01-24 Richard Guenther <rguenther@suse.de>
6056
6057 * builtins.c (expand_builtin_cexpi): Get the fndecl
6058 for cexp in the correct way.
6059
6060 2007-01-24 Jan Hubicka <jh@suse.cz>
6061
6062 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6063
6064 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6065
6066 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6067 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6068 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6069 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6070 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6071 __SIZEOF_PTRDIFF_T__.
6072 * doc/cpp.texi: Documentation for the new builtin macros added.
6073
6074 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
6075
6076 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6077 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6078 instead of operands[2] to avoid access past the end of array.
6079
6080 2007-01-24 Richard Sandiford <richard@codesourcery.com>
6081
6082 * reload1.c (emit_reload_insns): Pass the reload register
6083 for a non-spill output reload through forget_old_reloads_1.
6084
6085 2007-01-23 Joseph Myers <joseph@codesourcery.com>
6086
6087 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6088 _SOFT_DOUBLE if doubles use software floating-point.
6089 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6090 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6091 * config/rs6000/darwin-ldouble.c: Also compile functions for
6092 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
6093 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6094 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6095 commented-out long double override.
6096 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6097 * config/rs6000/eabispe.h: Likewise.
6098 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6099 long double for non-SPE.
6100 (rs6000_handle_option): Likewise.
6101 (invalid_e500_subreg): Disallow more subregs involding DImode,
6102 DFmode, TImode or TFmode.
6103 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6104 E500 double.
6105 (legitimate_lo_sum_address_p): Also check for TFmode for E500
6106 double.
6107 (rs6000_legitimize_address): Also handle TFmode for E500 double.
6108 (rs6000_legitimize_reload_address): Also handle TFmode for E500
6109 double.
6110 (rs6000_legitimate_address): Also check for TFmode for E500
6111 double.
6112 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6113 (spe_build_register_parallel): Handle TFmode and TCmode.
6114 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6115 double.
6116 (function_arg): Handle TFmode and TCmode for E500 double.
6117 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6118 in general.
6119 (print_operand): Handle TFmode and TImode for %y.
6120 (rs6000_generate_compare): Handle TFmode comparisons for E500
6121 double.
6122 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6123 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6124 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6125 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6126 TFmode for E500 double.
6127 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6128 (floatsidf2): Enable for E500 double.
6129 (movtf_softfloat): Use rs6000_nonimmediate_operand.
6130 (extenddftf2): Change to extenddftf2_fprs.
6131 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6132 depending on TARGET_E500_DOUBLE.
6133 (extendsftf2): Enable for E500 double.
6134 (trunctfdf2): Enable for E500 double.
6135 (trunctfsf2): Change to trunctfsf2_fprs.
6136 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6137 depending on TARGET_E500_DOUBLE.
6138 (floatsitf2): Enable for E500 double.
6139 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6140 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6141 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6142 (negtf2): Change to negtf2_internal.
6143 (negtf2): New expander.
6144 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
6145 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6146 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6147 (movdi_internal32): Use rs6000_nonimmediate_operand.
6148 (unnamed splitter): Likewise.
6149 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6150 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6151 (SPE64TF, DITI): New mode macros.
6152 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6153 modes.
6154 (frob_tf_ti): New.
6155 (frob_<mode>_di_2): New.
6156 (frob_tf_di_8_2): New.
6157 (frob_di_df): Change to frob_di_<mode>; allow more modes.
6158 (frob_ti_tf): New.
6159 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6160 more modes.
6161 (frob_ti_<mode>_8_2): New.
6162 (frob_ti_tf_2): New.
6163 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6164 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6165 TFmode.
6166 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6167 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6168 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6169 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6170 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6171 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6172 tsttflt_gp): New.
6173
6174 2007-01-23 Ian Lance Taylor <iant@google.com>
6175
6176 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
6177 insn-*.o first.
6178 (OBJS-archive): Reformat, alphabetize.
6179 (OBJS): Change out_object_file to OBJS-md.
6180
6181 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
6182
6183 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
6184 JUMP_P and CALL_P predicates where applicable.
6185 * config/i386/i386.c: Ditto.
6186 * config/i386/i386.md: Ditto.
6187 * config/i386/mmx.md: Ditto.
6188 * config/i386/predicates.md: Ditto.
6189
6190 2007-01-22 Andreas Schwab <schwab@suse.de>
6191
6192 * config/m68k/m68k.h: Fix comment.
6193
6194 2007-01-22 Jan Hubicka <jh@suse.cz>
6195
6196 * passes.c (init_optimization_passes): Do not rerun
6197 pass_early_warn_uninitialized.
6198
6199 2007-01-22 Richard Guenther <rguenther@suse.de>
6200
6201 PR tree-optimization/30038
6202 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
6203 function.
6204 (execute_cse_sincos_1): Likewise.
6205 (execute_cse_sincos): Likewise.
6206 (gate_cse_sincos): Likewise.
6207 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
6208 the cexpi() canonicalization of sincos().
6209 * tree-pass.h (pass_cse_sincos): Declare.
6210 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
6211
6212 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6213
6214 PR rtl-optimization/29329
6215 * combine.c (replaced_rhs_insn): Rename to i2mod.
6216 (replaced_rhs_value): Rename to i2mod_new_rhs.
6217 (i2mod_old_rhs): New global variable.
6218 (combine_instructions): Adjust for above change. Save a copy of
6219 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
6220 note are substituted in the second instruction.
6221 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
6222 ditch the note if it pertains to the second eliminated register
6223 and this register is mentioned in i2mod_old_rhs.
6224
6225 Revert:
6226 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6227
6228 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6229 the insn to which the note was originally attached.
6230
6231 2007-01-21 Jan Hubicka <jh@suse.cz>
6232
6233 * ipa-inline.c (inlining_mode): Comment, move up.
6234 (cgraph_decide_inlining_incrementally): Do not perform inlining
6235 itself; fix handling of flattening of self recursive functions.
6236 (cgraph_find_cycles): Remove.
6237 (cgraph_flatten_node): Remove.
6238 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
6239 (try_inline): New function.
6240 (cgraph_early_inlining): Update call of
6241 cgraph_decide_inlining_incrementally. Apply inlining here.
6242 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
6243
6244 2007-01-21 Dirk Mueller <dmueller@suse.de>
6245
6246 PR bootstrap/30511
6247 * tree-vrp.c (check_array_bounds): do not warn
6248 about ADDR_EXPR's of ARRAY_REF's which are immediately
6249 used in binary expressions.
6250
6251 2007-01-21 Ira Rosen <irar@il.ibm.com>
6252
6253 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
6254 read_write_dep and macros for its access.
6255 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
6256 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
6257 argument, call vect_check_interleaving for every independent pair of
6258 data-refs. Mark loads that access the same memory location as a store
6259 in the loop.
6260 (vect_check_dependences): Remove.
6261 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
6262 call, fix the call to vect_analyze_data_ref_dependence.
6263 (vect_analyze_data_ref_access): For statements that access the same
6264 data-ref, check that they are not stores; for loads, check that there
6265 is no store that access the same location.
6266
6267 2007-01-20 Roger Sayle <roger@eyesopen.com>
6268 Joseph Myers <joseph@codesourcery.com>
6269
6270 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
6271 (-fdump-rtl-stack): Likewise.
6272 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
6273 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
6274 (-mpt-fixed): Use @minus{} for minus sign.
6275 (Using Precompiled Headers): Fix under/overfull hbox.
6276
6277 2007-01-20 Jan Hubicka <jh@suse.cz>
6278
6279 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
6280 place within annotation.
6281
6282 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6283
6284 * pa.c (output_move_double): Change array size of xoperands to 4.
6285
6286 2007-01-20 Jan Hubicka <jh@suse.cz>
6287
6288 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
6289 as temporary.
6290
6291 2007-01-19 Ian Lance Taylor <iant@google.com>
6292
6293 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
6294 constant to unsigned HOST_WIDE_INT before negating.
6295
6296 2007-01-19 Ian Lance Taylor <iant@google.com>
6297
6298 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
6299 to unsigned.
6300 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
6301 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6302 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
6303 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
6304 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6305 (realloc_vdef, realloc_vuse): Change second parameter to
6306 unsigned.
6307 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
6308 fields to unsigned.
6309 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
6310 unsigned. Change x and lim locals to unsigned.
6311 (realloc_vdef, realloc_vuse): Change num_elem parameter to
6312 unsigned.
6313 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
6314 (copy_virtual_operands): Change i and n locals to unsigned.
6315
6316 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6317
6318 PR middle-end/29335
6319 * builtins.c (fold_builtin_1): Handle builtin fdim.
6320
6321 2007-01-20 Jan Hubicka <jh@suse.cz>
6322
6323 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
6324 * tree-ssa-structalias.c (compute_points_to_sets): Do call
6325 init_alias_heapvars.
6326 (init_alias_heapvars): Initialize only when not already initialized.
6327 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
6328
6329 2007-01-19 Roger Sayle <roger@eyesopen.com>
6330
6331 * common.opt (fsigned-zeros): New command line option.
6332 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
6333 of flag_unsafe_math_optimizations.
6334 * opts.c (set_fast_math_flags): The -ffast-math command line option
6335 implies -fno-signed-zeros.
6336 (fast_math_flags_set_p): Likewise.
6337
6338 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
6339 the documentation of -ffast-math appropriately. Wrap long lines.
6340
6341 2007-01-19 Steve Ellcey <sje@cup.hp.com>
6342
6343 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
6344 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
6345
6346 2007-01-19 Tomas Bily <tbily@suse.cz>
6347
6348 * cgraphunit.c (cgraph_finalize_function): Updating of pid
6349 * tree-profile.c:
6350 (tree_init_ic_make_global_vars): New function
6351 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
6352 (tree_gen_ic_profiler): New function
6353 (tree_gen_ic_func_profiler): New function
6354 (tree_profiling): Added calling of tree_gen_ic_func_profiler
6355 (tree_profile_hooks): Added hook for indirec/virtual calls
6356 * value-prof.c (tree_find_values_to_profile): New case for
6357 indirect calls
6358 (tree_values_to_profile): Call for determining indirect/virtual
6359 counters
6360 (tree_indirect_call_to_profile): New function
6361 (tree_ic_transform): New function
6362 (tree_ic): New function
6363 (find_func_by_pid): New function
6364 (init_pid_map): New function
6365 (tree_value_profile_transformations): Added check for
6366 indirect/virtual call transformation
6367 * value-prof.h (enum hist_type): New counter type for
6368 indirect/virtual calls
6369 (profile_hooks): Added new hook for profiling indirect/virtual
6370 calls
6371 * profile.c (instrument_values): New case for indirect/virtual
6372 call added
6373 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
6374 (GCOV_COUNTER_V_INDIR): New counter type
6375 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
6376 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
6377 call added
6378 * cgraph.c: Definition of cgraph_max_pid
6379 (cgraph_create_node): Default init of pid attribute
6380 * cgraph.h: Declaration of cgraph_max_pid
6381 (struct cgraph_node): Added pid attribute
6382 * libgcov.c (__gcov_indirect_call_profiler): New function
6383 (__gcov_one_value_profiler_body): New function
6384 (__gcov_one_value_profiler): Body was moved to
6385 __gcov_one_value_profiler_body and calls it
6386
6387 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
6388
6389 * doc/gty.texi (Options): Document the mark_hook option to GTY.
6390 * gengtype.c (write_types_data, write_func_for_structure,
6391 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
6392 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
6393 (walk_type, write_func_for_structure): Generate the mark_hook if
6394 needed.
6395
6396 2007-01-19 Jan Hubicka <jh@suse.cz>
6397
6398 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
6399 'early' argument take inlining mode argument specifying whether to
6400 inline for size/speeed or all functions; add support for flattening;
6401 improve dumpting.
6402 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
6403
6404 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6405
6406 PR c++/17947
6407 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
6408 the name of the declared identifier.
6409
6410 2007-01-19 Dirk Mueller <dmueller@suse.de>
6411
6412 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
6413 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
6414 duplicate evaluation.
6415
6416 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6417
6418 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
6419 Macroize expander using X87MODEF12 mode macro. Extend operand 1
6420 to XFMode, use acosxf2 and truncate result to requested mode.
6421 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6422 (asin<mode>2): Similarly, with asin expanders.
6423 (*fscalexf4_i387): Rename from *fscalexf4.
6424 (expNcorexf3): New expander.
6425 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
6426 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
6427 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
6428 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
6429 patterns for SSE math.
6430 (exp10<mode>2): Similarly, with exp10 expanders.
6431 (exp2<mode>2): Similarly, with exp2 expanders.
6432 (expm1<mode>2): Similarly, with expm1 expanders.
6433 (ldexp<mode>3): Similarly, with ldexp expanders.
6434 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
6435 Use gen_truncxf<mode>2_i387_noop to truncate result.
6436
6437 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6438
6439 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
6440 for ColdFire targets.
6441
6442 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
6443 Richard Sandiford <richard@codesourcery.com>
6444
6445 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
6446 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
6447 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
6448 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
6449 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6450 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6451
6452 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6453
6454 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
6455 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
6456 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
6457 (*adddi_dilshr32_cf): New pattern.
6458 (adddi3, subdi3): Remove first alternatives.
6459
6460 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6461
6462 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
6463 implemented using move.l, do not use its cc result for floating-point
6464 comparisons.
6465
6466 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6467
6468 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
6469 from accepting 's' constraints if flag_pic.
6470
6471 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6472
6473 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
6474 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
6475 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
6476 condition from TARGET_68881 to TARGET_HARD_FLOAT.
6477
6478 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
6479
6480 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
6481 ColdFire alternatives.
6482 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
6483 * config/m68k/m68k.md (clzsi2): Define for ColdFire
6484 architectures that support ff1 instruction.
6485
6486 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6487 Julian Brown <julian@codesourcery.com>
6488
6489 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
6490 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
6491 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
6492 Add commentary.
6493
6494 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6495
6496 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
6497 and return a bool.
6498 (output_move_const_into_data_reg, output_move_simode_const): Delete.
6499 * config/m68k/m68k.c (const_method, const_int_cost): Take a
6500 HOST_WIDE_INT instead of an rtx.
6501 (m68k_rtx_costs): Update call accordingly.
6502 (output_move_const_into_data_reg): Likewise. Fix formatting.
6503 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
6504 Return a bool.
6505 (output_move_simode_const): Update calls after above changes.
6506 Rework to use automatic variables and predicates like MEM_P.
6507 * config/m68k/m68k.md (pushexthisi_const): Update call to
6508 valid_mov3q_const.
6509
6510 2007-01-19 Dirk Mueller <dmueller@suse.de>
6511
6512 * tree-ssa-alias.c (perform_var_substitution): Fix typo
6513 in dump_flags test.
6514
6515 2007-01-19 Richard Guenther <rguenther@suse.de>
6516
6517 * builtins.c (expand_builtin_cexpi): Fall back to expanding
6518 via cexp in case sincos is not available.
6519
6520 2007-01-19 Richard Guenther <rguenther@suse.de>
6521
6522 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
6523 * defaults.h (TARGET_HAS_SINCOS): Default to off.
6524 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
6525 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
6526 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
6527 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
6528 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
6529 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
6530
6531 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6532
6533 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
6534 New insn patterns.
6535 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
6536 (atan2xf3): Directly generate RTL pattern.
6537 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
6538 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6539 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6540 disable patterns for SSE math.
6541 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
6542 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6543 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6544 disable patterns for SSE math.
6545
6546 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
6547
6548 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
6549
6550 2007-01-18 Roger Sayle <roger@eyesopen.com>
6551
6552 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
6553 VIEW_CONVERT_EXPR to the same type as it's operand.
6554
6555 2007-01-18 David Edelsohn <edelsohn@gnu.org>
6556
6557 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
6558 configured for long double 128.
6559
6560 2007-01-18 Mike Stump <mrs@apple.com>
6561
6562 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
6563 error.
6564
6565 2007-01-18 Michael Meissner <michael.meissner@amd.com>
6566
6567 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
6568 type correct.
6569
6570 2007-01-18 Jan Hubicka <jh@suse.cz>
6571
6572 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
6573 greater than NUM_VOP_FREE_BUCKETS.
6574
6575 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
6576
6577 * tree-ssa-structalias.c: Update comments.
6578 (ptabitmap_obstack): Removed.
6579 (pta_obstack): New.
6580 (oldpta_obstack): Ditto.
6581 (stats): Add a few members.
6582 (struct variable_info): Remove node, complex, address_taken, and
6583 indirect_target members. Add oldsolution member.
6584 (new_var_info): Do not initialize removed members.
6585 (constraint_expr_type): Remove INCLUDES.
6586 (constraint_graph): Add size, implicit_preds, rep,
6587 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
6588 (FIRST_REF_NODE): New macro.
6589 (LAST_REF_NODE): Ditto.
6590 (FIRST_ADDR_NODE): Ditto.
6591 (find): New function.
6592 (unite): Ditto.
6593 (dump_constraint): Do not handle INCLUDES.
6594 (insert_into_complex): Do not insert duplicate constraints.
6595 (condense_varmap_nodes): Renamed and rewritten into ...
6596 (merge_node_constraints): This. Also fix bug in handling of
6597 offseted copy constraints.
6598 (clear_edges_for_node): No longer need to deal with preds at all,
6599 or removing associated preds/succs.
6600 (merge_graph_nodes): Deal with indirect_cycles.
6601 Don't deal with predecessors.
6602 (add_implicit_graph_edge): New function.
6603 (add_pred_graph_edge): Ditto.
6604 (add_graph_edge): Don't deal with predecessors.
6605 (build_constraint_graph): Removed.
6606 (build_pred_graph): New function.
6607 (build_succ_graph): Ditto.
6608 (struct scc_info): Removed in_component. Added roots, dfs, and
6609 node_mapping. Remove visited_index, unification_queue.
6610 (scc_visit): Deal with union-find we do now.
6611 Deal with cycles with REF nodes.
6612 (collapse_nodes): Renamed and rewritten to ...
6613 (unify_nodes): This.
6614 (process_unification_queue): Removed.
6615 (topo_visit): Cleanup
6616 (do_da_constraint): Use find.
6617 (do_sd_constraint): Ditto.
6618 (do_ds_constraint): Ditto.
6619 (do_complex_constraint): Ditto.
6620 (init_scc_info): Update for removed and added members.
6621 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
6622 (find_indirect_cycles): This.
6623 (equivalence_class): New variable.
6624 (label_visit): New function.
6625 (perform_variable_substitution): Rewritten.
6626 (free_var_substitution_info): New function.
6627 (find_equivalent_node): Ditto.
6628 (move_complex_constraints): Ditto.
6629 (eliminate_indirect_cycles): Ditto.
6630 (solve_graph): Only propagate changed bits.
6631 Use indirect cycle elimination.
6632 Use find.
6633 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
6634 (tree_id_eq): Renamed to ...
6635 (tree_vi_eq): This. Update for member change
6636 (insert_id_for_tree): Renamed and rewritten to ...
6637 (insert_vi_for_tree): This.
6638 (lookup_id_for_tree): Renamed and rewritten to ...
6639 (lookup_vi_for_tree): This.
6640 (get_id_for_tree): Renamed and rewritten to ...
6641 (get_vi_for_tree): Ditto.
6642 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
6643 (process_constraint): Don't handle INCLUDES.
6644 Remove special ADDRESSOF case.
6645 (find_func_aliases): Rewrite to use vi functions instead of id
6646 ones.
6647 (create_function_info_for): Ditto.
6648 (create_variable_info_for): Ditto.
6649 (intra_create_variable_infos): Ditto.
6650 (merge_smts_into): Ditto.
6651 (find_what_p_points_to): Ditto.
6652 (init_base_vars): Ditto.
6653 (init_alias_vars): Ditto.
6654 (remove_preds_and_fake_succs): New function.
6655 (dump_sa_points_to_info): Dump new stats.
6656 (dump_solution_for_var): Use find.
6657 (set_used_smts): Fix formatting.
6658 (compute_points_to_sets): Updated for new functions.
6659 (ipa_pta_execute): Ditto.
6660
6661 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6662 Richard Sandiford <richard@codesourcery.com>
6663
6664 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
6665 parallels.
6666 * calls.c (expand_call): If the return value is a PARALLEL,
6667 extract its first member.
6668 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
6669 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6670 use FUNCTION_EXTRA_EPILOGUE.
6671 (m68k_function_value): Return a PARALLEL if the return value
6672 is of a pointer type.
6673 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
6674 (FUNCTION_EXTRA_EPILOGUE): Remove.
6675 * config/m68k/m68k.md (D0_REG): New constant.
6676
6677 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6678
6679 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6680 output a NOP for empty epilogues.
6681
6682 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6683
6684 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
6685 before function. Extend register save check to include all
6686 registers, not just integer ones.
6687
6688 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6689
6690 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
6691 (m68k_use_return_insn): ...this.
6692 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
6693 * config/m68k/m68k.c (use_return_insn): Rename to...
6694 (m68k_use_return_insn): ...this.
6695 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
6696 of USE_RETURN_INSN.
6697
6698 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6699
6700 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
6701 nearest even, fix denormal rounding overflow.
6702
6703 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6704
6705 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
6706 f%$smove and f%$move.
6707 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
6708 (extendsfdf2_cf): Use fdmove instead of f%&move.
6709 (truncdfsf2_cf): Use fsmove instead of f%$smove.
6710 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
6711
6712 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6713
6714 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
6715 GPR<-GPR moves.
6716
6717 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6718
6719 * real.h (real_format): Add a canonical_nan_lsbs_set field.
6720 (coldfire_single_format): Declare.
6721 (coldfire_double_format): Likewise.
6722 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
6723 of qnan_msb_set to determine the lower bits of a canonical
6724 NaN significand.
6725 (encode_ieee_double): Likewise.
6726 (encode_ieee_quad): Likewise.
6727 (ieee_single_format): Initialize canonical_nan_lsbs_set.
6728 (mips_single_format): Likewise.
6729 (ieee_double_format): Likewise.
6730 (mips_double_format): Likewise.
6731 (ieee_extended_motorola_format): Likewise.
6732 (ieee_extended_intel_96_format): Likewise.
6733 (ieee_extended_intel_128_format): Likewise.
6734 (ieee_extended_intel_96_round_53_format): Likewise.
6735 (ibm_extended_format): Likewise.
6736 (mips_extended_format): Likewise.
6737 (ieee_quad_format): Likewise.
6738 (mips_quad_format): Likewise.
6739 (vax_f_format): Likewise.
6740 (vax_d_format): Likewise.
6741 (vax_g_format): Likewise.
6742 (i370_single_format): Likewise.
6743 (i370_double_format): Likewise.
6744 (decimal_single_format): Likewise.
6745 (decimal_double_format): Likewise.
6746 (decimal_quad_format): Likewise.
6747 (c4x_single_format): Likewise.
6748 (c4x_extended_format): Likewise.
6749 (real_internal_format): Likewise.
6750 (coldfire_single_format): New real_format.
6751 (coldfire_double_format): Likewise.
6752 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
6753 canonical_nan_lsbs_set.
6754 (pdp11_d_format): Likewise.
6755 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
6756 if TARGET_COLDFIRE_CPU.
6757
6758 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6759
6760 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
6761 (output_call, m68k_legitimize_call_address): Declare.
6762 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6763 parenthesees. Add support for a 'W' constraint.
6764 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
6765 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
6766 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
6767 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
6768 variables.
6769 (override_options): Initialize them. Do not set flag_no_function_cse
6770 for TARGET_ID_SHARED_LIBRARY.
6771 (m68k_output_pic_call): Delete.
6772 (m68k_legitimize_call_address): New function.
6773 (print_operand): Remove the %o prefix. Handle the %p prefix.
6774 (output_call): New function.
6775 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
6776 target address from the GOT if symbolic jumps are not allowed.
6777 * config/m68k/m68k.md (call, general_operand): Do not set
6778 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
6779 Merge separate flag_pic and !flag_pic define_insns into...
6780 (*call, *call_value): ...these new patterns. Match the address
6781 rather than the containing MEM and require it to be a call_operand.
6782 Use output_call to generate the asm template.
6783 * config/m68k/predicates.md (const_call_operand): New predicate.
6784 (call_operand): Likewise.
6785
6786 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6787
6788 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
6789 (STACK_GROWS_DOWNWARD): Define to 1.
6790 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
6791 comments, emphasizing that these values are only defaults.
6792 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
6793 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
6794
6795 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6796
6797 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
6798
6799 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6800 Richard Sandiford <richard@codesourcery.com>
6801
6802 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
6803 (FP_REGNO_P): New macros.
6804 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
6805 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
6806 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
6807 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
6808
6809 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6810
6811 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6812 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
6813 to $tmake_file.
6814 * config/m68k/t-floatlib: New file, extracting common code from...
6815 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
6816 * config/m68k/t-uclinux: Here.
6817 * config/m68k/fpgnulib.c: Do not compile extendeed precision
6818 routines on ColdFire targets.
6819
6820 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6821
6822 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6823 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
6824 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
6825 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
6826 explicitly set MOTOROLA to 1.
6827 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
6828
6829 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6830 Nathan Sidwell <nathan@codesourcery.com>
6831
6832 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
6833 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
6834 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
6835 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
6836 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
6837 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
6838 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
6839 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
6840 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
6841 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6842 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
6843 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
6844 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
6845 (DBX_REGISTER_NUMBER): Delete.
6846 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
6847 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6848 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
6849
6850 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6851
6852 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
6853 * config/flat.h: New file.
6854 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
6855 OBJECT_FORMAT_FLAT.
6856 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
6857 indirect references for -msep-data or -mid-shared-library.
6858 Do not use PC-relative code addresses either.
6859 * config/m68k/m68k.c (override_options): Restrict -fPIC error
6860 to -mpcrel.
6861 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
6862 for shared libraries and crt1.o for executables. Use crti.o and
6863 crtbegin.o.
6864 (ENDFILE_SPEC): Use crtend.o and crtn.o.
6865 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
6866 Do not add -elf2flt or -shared-lib-id options here.
6867 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
6868 Pass -shared-lib-id if -mid-shared-library, taking the library
6869 identifier from -mshared-library-id if given, otherwise
6870 defaulting to 0.
6871 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
6872 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
6873 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
6874 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
6875 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
6876 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
6877 and crtend.o.
6878 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
6879 jump sequence for ISA A and ISA A+.
6880 (PICJUMP): Likewise.
6881
6882 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6883
6884 * config.gcc (m68k-*-uclinux*): Base the port on the common
6885 and m68k GNU/Linux files rather than on the generic ELF ones.
6886 * config/m68k/uclinux.h (TARGET_VERSION): Override.
6887 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6888
6889 2007-01-18 Julian Brown <julian@codesourcery.com>
6890 Richard Sandiford <richard@codesourcery.com>
6891
6892 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
6893 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6894 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
6895 before redefining.
6896 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
6897 80 unconditionally.
6898 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6899
6900 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6901
6902 * doc/install.texi: Document m68k-uclinuxoldabi.
6903 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
6904 * config/m68k/uclinux-oldabi.h: New file, copied from
6905 config/m68k/uclinux.h.
6906
6907 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6908
6909 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
6910 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
6911 (m32r_compute_frame_size): Use unsigned for regno.
6912 (m32r_reload_lr): Use gen_frame_mem.
6913 (pop): New.
6914 (m32r_output_function_epilogue): Don't output the function epilogue
6915 textually here.
6916 (m32r_expand_epilogue): New.
6917 (direct_return): Return false if the function has the interrupt
6918 attribute.
6919 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
6920 * config/m32r/m32r.md (epilogue): New expander.
6921 (return_lr, return_rte): New insns.
6922 (return): Make it expander.
6923 (return_normal): New expander.
6924
6925 2007-01-18 Josh Conner <jconner@apple.com>
6926
6927 PR target/30485
6928 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
6929 support for UNLE, UNLT, UNGE, and UNGT.
6930
6931 2007-01-18 Jan Hubicka <jh@suse.cz>
6932
6933 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
6934 * tree-tailcall (add_virtual_phis): Likewise.
6935 (optimize_tail_call): Return TODOs.
6936 (execute_tail_calls): Return TODOs.
6937 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
6938 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
6939 changed.
6940 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6941 Cleanup cfg using TODO.
6942 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
6943 * passes.c (execute_function_todo): When cleanup did something, remove
6944 unused locals.
6945 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
6946 (make_edges): Don't cleanup_cfg.
6947
6948 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
6949
6950 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
6951 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
6952 operate on the top of stack.
6953 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
6954 register handling of instructions that output to the second
6955 stack slot.
6956 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
6957 (move_for_stack_reg): Special-case check for dead destination
6958 stack slot for constant load of 1.0 inside UNSPEC_TAN.
6959
6960 * config/i386/i386.md (UNSPEC_TAN): New constant.
6961 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
6962 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
6963 to correctly model move of constant 1.0 to top stack slot.
6964 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
6965 (unnamed peephole2 pattern): Remove corresponding peephole2
6966 pattern that optimizes tan insn and loading of constant 1.0.
6967 (tanxf2): Use fptanxf4_i387.
6968 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
6969 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
6970 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6971 disable patterns for SSE math.
6972 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
6973 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
6974
6975 2007-01-18 Dirk Mueller <dmueller@suse.de>
6976 Richard Guenther <rguenther@suse.de>
6977
6978 PR diagnostic/8268
6979 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
6980 * common.opt (Warray-bounds): Add new warning option.
6981 * c-opts.c (c_common_handle_option): Define -Warray-bounds
6982 if -Wall is given.
6983 * Makefile.in: make tree-vrp.o depend on toplev.h
6984 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
6985 is enabled.
6986 (check_array_refs, check_array_bounds, check_array_ref): New.
6987
6988 2007-01-18 Jan Hubicka <jh@suse.cz>
6989
6990 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
6991 (execute_ssa_ccp): Return flags conditionally.
6992 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
6993 changed.
6994 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
6995
6996 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
6997
6998 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
6999 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
7000
7001 * Makefile.c (GTFILES): Add cfglayout.h.
7002 * gengtype.c (open_base_files): Likewise.
7003 * cfglayout.c (cfg_layout_function_footer,
7004 cfg_layout_function_header) Reindent to make gengtype happy.
7005 * cfglayout.h (cfg_layout_function_footer,
7006 cfg_layout_function_header): Add GTY(()) marker.
7007
7008 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
7009
7010 2007-01-18 Ben Elliston <bje@au.ibm.com>
7011
7012 * genautomata.c (write_automata): Include xstrerror output in the
7013 error message if writing the DFA description file fails.
7014
7015 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
7016
7017 * config/mips/mips-protos.h (mips_output_external): Make it
7018 return void.
7019 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
7020 * config/mips/mips.c (irix_output_external_libcall): Likewise.
7021 (extern_list): Likewise.
7022 (extern_head): Likewise.
7023 (TARGET_ASM_FILE_END): Likewise.
7024 (mips_file_end): Likewise.
7025 (mips_output_external): Rewritten.
7026
7027 2007-01-18 Ben Elliston <bje@au.ibm.com>
7028
7029 * genpreds.c (write_insn_preds_c): Only write out the function
7030 body for regclass_for_constraint if we have register constraints.
7031
7032 2007-01-17 Tom Tromey <tromey@redhat.com>
7033
7034 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
7035 * doc/install.texi (Testing): Use sourceware.org.
7036 (Binaries): Likewise.
7037 (Specific): Likewise.
7038 * doc/contrib.texi (Contributors): Use sourceware.org.
7039
7040 2007-01-17 Anatoly Sokolov <aesok@post.ru>
7041
7042 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
7043 (AVR_ENHANCED): Rename to ...
7044 (AVR_HAVE_MUL): ... new.
7045 (avr_enhanced_p): Rename to ...
7046 (avr_have_mul_p): ... new.
7047 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
7048 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
7049 * config/avr/avr.c (avr_enhanced_p): Rename to ...
7050 (avr_have_mul_p): ... new.
7051 (base_arch_s): Rename 'enhanced' to 'have_mul'.
7052 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
7053 'avr_enhanced_p' and 'enhanced'.
7054 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
7055 AVR_HAVE_MUL instead of AVR_ENHANCED.
7056 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7057 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
7058 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
7059 instead of AVR_ENHANCED.
7060 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7061 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7062 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7063
7064 2007-01-17 Ian Lance Taylor <iant@google.com>
7065
7066 * vec.h (VEC_reserve_exact): Define.
7067 (vec_gc_p_reserve_exact): Declare.
7068 (vec_gc_o_reserve_exact): Declare.
7069 (vec_heap_p_reserve_exact): Declare.
7070 (vec_heap_o_reserve_exact): Declare.
7071 (VEC_OP (T,A,reserve_exact)): New static inline function, three
7072 versions.
7073 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7074 negative parameter.
7075 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7076 (VEC_OP (T,A,copy)) [all versions]: Likewise.
7077 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7078 * vec.c (calculate_allocation): Add exact parameter. Change all
7079 callers.
7080 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7081 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7082 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7083 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7084 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7085 (vec_heap_p_reserve_exact): New function.
7086 (vec_heap_o_reserve_exact): New function.
7087
7088 2007-01-17 Jan Hubicka <jh@suse.cz>
7089
7090 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7091
7092 2007-01-17 Eric Christopher <echristo@apple.com>
7093
7094 * config.gcc: Support core2 processor.
7095
7096 2007-01-16 Jan Hubicka <jh@suse.cz>
7097
7098 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7099 the names, just unlink the chain so we don't crash on dangling pointers
7100 to dead SSA names.
7101
7102 2007-01-16 Jan Hubicka <jh@suse.cz>
7103
7104 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7105 * tree-pass.h: Reorder to make IPA passes appear toegher.
7106 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7107 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7108 parameters, do not call early inliner.
7109 * ipa-inline.c: Update comments. Include tree-flow.h
7110 (cgraph_decide_inlining): Do not compute inlining parameters.
7111 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7112 be called with function context set up.
7113 (pass_ipa_inline): Remove unreachable functions before pass.
7114 (cgraph_early_inlining): Simplify assuming to be called from the
7115 PM as local pass.
7116 (pass_early_inline): New pass.
7117 (cgraph_gate_ipa_early_inlining): New gate.
7118 (pass_ipa_early_inline): Turn into simple wrapper.
7119 (compute_inline_parameters): New function.
7120 (gate_inline_passes): New gate.
7121 (pass_inline_parameters): New pass.
7122 (apply_inline): Move here from tree-optimize.c
7123 (pass_apply_inline): New pass.
7124 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7125 transforming.
7126 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7127 doing them by hand.
7128 (tree_function_versioning): Do not allocate dummy struct function.
7129 * tree-inline.h (optimize_inline_calls): Update prototype.
7130 * tree-optimize.c (execute_fixup_cfg): Export.
7131 (pass_fixup_cfg): Remove
7132 (tree_rest_of_compilation): Do not apply inlines.
7133 * tree-flow.h (execute_fixup_cfg): Declare.
7134 * Makefile.in (gt-passes.c): New.
7135 * passes.c: Include gt-passes.h
7136 (init_optimization_passes): New passes.
7137 (nnodes, order): New static vars.
7138 (do_per_function_toporder): New function.
7139 (execute_one_pass): Dump current pass here.
7140 (execute_ipa_pass_list): Don't dump current pass here.
7141
7142 2007-01-16 Janis Johnson <janis187@us.ibm.com>
7143
7144 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7145 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7146
7147 2007-01-16 David Edelsohn <edelsohn@gnu.org>
7148
7149 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7150 (strong_alias): Define.
7151 (__gcc_qmul): Provide non-FMA for soft-float.
7152 (__gcc_qdiv): Same.
7153 (__gcc_qneg): New.
7154 (__gcc_qeq): New.
7155 (__gcc_qle): New.
7156 (__gcc_qge): New.
7157 (__gcc_qunord): New.
7158 (__gcc_stoq): New.
7159 (__gcc_dtoq): New.
7160 (__gcc_qtos): New.
7161 (__gcc_qtod): New.
7162 (__gcc_qtoi): New.
7163 (__gcc_qtou): New.
7164 (__gcc_itoq): New.
7165 (__gcc_utoq): New.
7166 (fmsub): New.
7167 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7168 soft-float functions.
7169 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7170 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7171 about long double soft float.
7172
7173 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
7174 Tehila Meyzels <tehila@il.ibm.com>
7175
7176 * tree-vectorizer.h (is_pattern_stmt_p): New.
7177 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
7178 formatting (tabs instead of spaces). Cleanup and clarify setting
7179 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
7180 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
7181 (vectorizable_type_demotion): Check that types are integral.
7182 (vectorizable_type_promotion): Likewise.
7183 (vectorizable_store): Fix typo. Eliminate new-line at end of
7184 comments.
7185
7186 2007-01-16 Jan Hubicka <jh@suse.cz>
7187
7188 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
7189 cgraph edges too.
7190
7191 2007-01-15 Eric Christopher <echristo@apple.com>
7192
7193 * ifcvt.c: Include vec.h, vecprim.h.
7194 (check_cond_move_block): New argument regs.
7195 Reorganize. Add registers used to regs.
7196 (cond_move_process_if_block): Use regs set above as
7197 loop bounds.
7198
7199 2007-01-15 Eric Christopher <echristo@apple.com>
7200
7201 * config/darwin.h: Update copyright.
7202 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
7203 (LINK_COMMAND_SPEC): Add -u.
7204 (LINK_SPEC): Fix umbrella for above.
7205
7206 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
7207
7208 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
7209 glibc CVS.
7210
7211 2007-01-15 Tom Tromey <tromey@redhat.com>
7212
7213 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
7214 * doc/install.texi (Testing): Don't mention jacks.
7215 (Configuration): Document --enable-java-maintainer-mode. Move
7216 --with-java-home to libgcj-specific section. Document
7217 --with-ecj-jar.
7218 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
7219
7220 2007-01-15 Jan Hubicka <jh@suse.cz>
7221
7222 * tree-ssa-dce.c (DCE_TODOs): New.
7223 (propagate_necessity): Return if something changed.
7224 (eliminate_unnecessary_stmts): Likewise.
7225 (perform_tree_ssa_dce): Return TODO flags when needed.
7226 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
7227
7228 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
7229
7230 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
7231 (fyl2x_extend<mode>xf3_i387): New insn pattern.
7232 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
7233 patterns using X87MODEF12 mode macro. Extend operand 1
7234 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7235 (log10<mode>2): Ditto.
7236 (log2<mode>2): Ditto.
7237 (log1p<mode>2): Ditto.
7238 (logb<mode>2): Ditto.
7239 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
7240 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
7241 (*fxtractxf3_i387): Rename from *fxtractxf3.
7242 (fxtract_extend<mode>xf3_i387): New insn pattern.
7243 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
7244 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
7245 and gen_fyl2xxf3_i387().
7246
7247 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7248
7249 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
7250 * cfgloopmanip.c (fix_loop_placement): Made static. Use
7251 get_loop_exit_edges. Changed return type to bool.
7252 * cfgloop.h (fix_loop_placement): Declaration removed.
7253
7254 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
7255
7256 * param.h (MIN_VECT_LOOP_BOUND): New.
7257 * params.def (MIN_VECT_LOOP_BOUND): New.
7258 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
7259 argument - minimum threshold for number of iterations.
7260 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
7261 argument to declaration.
7262 * tree-vect-analyze.c (vect_analyze_operations): Check value of
7263 MIN_VECT_LOOP_BOUND.
7264 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
7265 slpeel_tree_peel_loop_to_edge with additional argument.
7266 (vect_do_peeling_for_alignment): Likewise.
7267 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
7268
7269 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
7270
7271 PR target/30413
7272 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
7273 operands of size 1.
7274
7275 2007-01-14 Jan Hubicka <jh@suse.cz>
7276
7277 * tree-dfa.c (remove_referenced_var): New function.
7278 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
7279 prune referenced vars list too.
7280 * tree-flow.h (remove_referenced_var): Declare.
7281
7282 2007-01-14 Jan Hubicka <jh@suse.cz>
7283
7284 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
7285 separately.
7286 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
7287 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
7288 * except.h (verify_eh_throw_table_statements): Kill prototype.
7289 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
7290 into call exrepssions.
7291 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
7292 eh trhow verifier.
7293 * tree-cfg.c: Include pointer-set.h.
7294 (verify_node_sharing): Work on pointer set.
7295 (verify_eh_throw_stmt_node): New.
7296 (verify_stmts): Use pointers sets, verify throw_stmt.
7297
7298 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
7299
7300 * ipa-reference.c (analyze_function): Consider also addresses taken
7301 in phi nodes.
7302
7303 2007-01-12 Roger Sayle <roger@eyesopen.com>
7304
7305 * c-typeck.c (null_pointer_constant_p): Replace use of
7306 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7307 (build_c_cast): Likewise.
7308
7309 2007-01-12 Roger Sayle <roger@eyesopen.com>
7310
7311 * tree.h (force_fit_type_double): Remove unused final argument.
7312 * c-common.c (constant_expression_warning): Replace use of
7313 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7314 (convert_and_check): Likewise.
7315 (shorten_compare): Update call to force_fit_type_double.
7316 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
7317 * convert.c (convert_to_pointer): Update call to
7318 force_fit_type_double.
7319 * fold-const.c (force_fit_type_double): Remove overflowed_const
7320 argument.
7321 (int_const_binop, fold_convert_const_int_from_int,
7322 fold_convert_const_int_from_real, fold_div_compare,
7323 fold_sign_changed_comparison, fold_unary, fold_negate_const,
7324 fold_abs_const, fold_not_const): Remove the final argument from
7325 calls to force_fit_type_double.
7326
7327 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
7328
7329 * configure.ac: Set insn to "nop" for spu-*-* also.
7330 * configure: Regenerate.
7331
7332 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
7333
7334 * builtins.def : Add BUILT_IN_FREE.
7335
7336 2007-01-12 Jan Hubicka <jh@suse.cz>
7337
7338 PR tree-optimization/30443
7339 * tree-inline.c (tree_function_versioning): Do not optimize when
7340 cloning for inlining.
7341
7342 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
7343
7344 * doc/loop.texi: Document recording of loop exits.
7345 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
7346 (update_single_exits_after_duplication,
7347 update_single_exit_for_duplicated_loop,
7348 update_single_exit_for_duplicated_loops): Removed.
7349 (duplicate_loop_to_header_edge): Do not call
7350 update_single_exits_after_duplication and
7351 update_single_exit_for_duplicated_loops.
7352 (loop_version): Do not update single_exit information.
7353 (fix_loop_structure): Use record_loop_exits instead of
7354 mark_single_exit_loops.
7355 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
7356 the lists of loop exits.
7357 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
7358 split_edge, merge_blocks): Update the lists of loop exits.
7359 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
7360 loop_optimizer_init.
7361 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
7362 of mark_single_exit_loops.
7363 (loop_optimizer_finalize): Call release_recorded_exits.
7364 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
7365 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
7366 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
7367 update single exit information.
7368 * lambda-code.c (perfect_nestify): Ditto.
7369 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
7370 (mark_single_exit_loops): Removed.
7371 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
7372 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
7373 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
7374 functions.
7375 (get_loop_exit_edges, single_exit): Use recorded exit lists.
7376 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
7377 (verify_loop_structure): Verify consistency of the exit lists.
7378 (flow_loops_find): Use alloc_loop. Initialize exits hash.
7379 (set_single_exit): Removed.
7380 * cfgloop.h (struct loop_exit): New function.
7381 (struct loop): single_exit_ field replaced by exits field.
7382 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
7383 (struct loops): Added exits hash.
7384 (mark_single_exit_loops, set_single_exit): Declaration removed.
7385 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
7386
7387 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7388
7389 * doc/invoke.texi: Avoid use of @headitem.
7390
7391 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7392
7393 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
7394
7395 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7396
7397 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
7398 list of targets.
7399
7400 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7401 Richard Sandiford <richard@codesourcery.com>
7402
7403 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
7404 * config/m68k/m68k.opt: Resort options.
7405 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
7406
7407 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7408 Richard Sandiford <richard@codesourcery.com>
7409
7410 * doc/invoke.texi: Document the macros that are defined by
7411 m68k's -mtune and -mhard-float options.
7412 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
7413 (m68k_cpp_cpu_family): Likewise.
7414 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
7415 of __ucfv*__ macros. Define __mcffpu__ if generating code for
7416 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
7417 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
7418 (m68k_cpp_cpu_family): Likewise.
7419
7420 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7421
7422 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
7423 macros besides mc68000 as tuning macros. Use a switch statement
7424 to set them and mcpu32.
7425
7426 2007-01-12 Julian Brown <julian@codesourcery.com>
7427
7428 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
7429 (TARGET_68040_ONLY): Rename to...
7430 (TARGET_68040): ...this.
7431 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
7432 * config/m68k/m68k.md: Likewise.
7433
7434 2007-01-12 Julian Brown <julian@codesourcery.com>
7435 Nathan Sidwell <nathan@codesourcery.com>
7436 Richard Sandiford <richard@codesourcery.com>
7437
7438 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
7439 the -mcpu= argument associated with the --with-cpu setting.
7440 Define M68K_DEFAULT_TUNE to the default -mtune= option,
7441 if different from the one implied by the -mcpu setting.
7442 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
7443 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
7444 * doc/invoke.texi: Mention ColdFire in the introduction to the
7445 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
7446 -mno-div and -mhard-float options. Make -m68881 a synonym for
7447 -mhard-float. Document the previously-undocumented -m5206e,
7448 -m528x, -m5307 and -m5407 options. Tweak the existing option
7449 documentation for consistency.
7450 * doc/install.texi: Mention new --with-cpu arguments.
7451 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
7452 default CPU if neither -mcpu nor -march are specified.
7453 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
7454 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
7455 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
7456 using m68k_tune to decide between families that implement the
7457 same ISA. Use m68k_tune to set __mcfv4e__.
7458 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
7459 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
7460 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
7461 (FL_ISA_C, FL_ISA_MMU): New macros.
7462 (MASK_COLDFIRE): Delete.
7463 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
7464 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
7465 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
7466 (TARGET_HARD_FLOAT): Do not define here.
7467 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
7468 (TUNE_68000): New macro.
7469 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
7470 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
7471 (TUNE_CFV2): Redefine in terms of m68k_tune.
7472 (uarch_type, target_device, fpu_type): New enums.
7473 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
7474 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
7475 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
7476 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
7477 (FL_FOR_isa_c): New macros.
7478 (m68k_isa): New enum.
7479 (m68k_target_selection): New structure.
7480 (all_devices, all_isas, all_microarchs): New tables.
7481 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
7482 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
7483 (MASK_ALL_CPU_BITS): Delete.
7484 (m68k_find_selection): New function.
7485 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
7486 Map the legacy target options to a combination of the new ones.
7487 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
7488 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
7489 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
7490 settings.
7491 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
7492 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
7493 properties.
7494 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
7495 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
7496 * config/m68k/m68k-devices.def: New file.
7497
7498 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7499 Nathan Sidwell <nathan@codesourcery.com>
7500
7501 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
7502 (SUBTARGET_EXTRA_SPECS): New macros.
7503 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
7504 use %(asm_cpu_spec) instead.
7505 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
7506 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
7507 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
7508 (EXTRA_SPECS): Rename to...
7509 (SUBTARGET_EXTRA_SPECS): ...this.
7510
7511 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7512 Richard Sandiford <richard@codesourcery.com>
7513 Julian Brown <julian@codesourcery.com>
7514
7515 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7516 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
7517 to the configuration's default CPU.
7518 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
7519 Remove default masks.
7520 (m680[012]0-*-*): Set the default with_cpu to the first part of
7521 the target name.
7522 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
7523 (m68k*-*-linux): Extend the --with-cpu handling to...
7524 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
7525 and m68010. Don't set target_cpu_default2.
7526 * doc/install.texi: Document --with-cpu for m68k.
7527 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
7528 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
7529 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
7530 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
7531 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
7532 (ASM_SPEC): Remove use of %(asm_cpu_default).
7533 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
7534 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
7535 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
7536 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
7537 __HAVE_FPU__ if TARGET_HARD_FLOAT.
7538 (TARGET_DEFAULT): Delete.
7539 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
7540 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
7541 (CPP_CPU_SPEC): Delete.
7542 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
7543 the appropriate string.
7544 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
7545 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
7546 (ASM_SPEC): Don't use %(asm_default_spec).
7547 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7548 TARGET_DEFAULT and add MASK_68881.
7549 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
7550
7551 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7552
7553 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
7554 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
7555 MASK_68010 alongside MASK_68020.
7556 * doc/invoke.texi: Document -m68010.
7557 * config/m68k/m68k.opt (m68010): New.
7558 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
7559 if TUNE_68010.
7560 (TUNE_68010): New macro.
7561 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
7562 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
7563 (M68K_CPU_m68332): Add MASK_68010.
7564 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
7565 fallback definition.
7566 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
7567 defines.
7568 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
7569 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
7570 to all entries that use MASK_68020.
7571 (output_move_simode_const, output_move_himode, output_move_qimode)
7572 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
7573 instead of TARGET_68020 to select clr behavior. Remove comment
7574 about there being no TARGET_68010.
7575 * config/m68k/m68k.md: Likewise throughout.
7576
7577 2007-01-12 Julian Brown <julian@codesourcery.com>
7578
7579 * config/m68k/m68k.h (TARGET_ISAB): New macro.
7580 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
7581 * config/m68k/m68k.md: Likewise.
7582
7583 2007-01-12 Julian Brown <julian@codesourcery.com>
7584
7585 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
7586 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
7587
7588 2007-01-12 Julian Brown <julian@codesourcery.com>
7589
7590 * config/m68k/m68k.h (TUNE_68040_60): New macro.
7591 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
7592 * config/m68k/m68k.md: Likewise.
7593
7594 2007-01-12 Julian Brown <julian@codesourcery.com>
7595 Richard Sandiford <richard@codesourcery.com>
7596
7597 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
7598 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
7599 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
7600 TARGET_CPU32.
7601 (TARGET_CPU32): Rename to...
7602 (TUNE_CPU32): ...this.
7603 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
7604 (TUNE_CFV2): New macros.
7605 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
7606 remove conditions that are implied by TARGET_68020.
7607 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
7608 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
7609 (m68k_output_function_epilogue): Likewise.
7610 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
7611 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
7612 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
7613 non-68000 timings. Refactor multiplication and division costs.
7614 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
7615 TUNE_CPU32 instead of TARGET_CPU32.
7616 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
7617 and TUNE_68060 instead of TARGET_68060.
7618 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
7619 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
7620 TARGET_CPU32.
7621 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
7622 && !TARGET_COLDFIRE" to choose between moveq and clr.
7623 Likewise in the unnamed movsf pattern.
7624 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
7625 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
7626 ashiftrt pattern.
7627
7628 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7629
7630 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
7631 of tabbing before backslashes.
7632
7633 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7634
7635 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
7636 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
7637 (ASM_OUTPUT_INTERNAL_LABEL): Define.
7638
7639 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7640
7641 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
7642 find_interesting_uses_cond.
7643 (find_interesting_uses_cond): Use extract_cond_operands.
7644 (rewrite_use_compare): Use extract_cond_operands and
7645 force_gimple_operand_bsi. Do not call update_stmt.
7646 (determine_use_iv_cost_condition): Use extract_cond_operands.
7647 Return cheaper of using original bound and changing the exit bound.
7648
7649 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7650
7651 PR tree-optimization/29516
7652 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
7653 most_expensive_mult_to_index, addr_to_parts,
7654 create_mem_ref, maybe_fold_tmr): Make the type of
7655 fields of TARGET_MEM_REF sizetype.
7656 (move_fixed_address_to_symbol, move_pointer_to_base):
7657 New functions.
7658 * tree.def (TARGET_MEM_REF): Add comment on types of
7659 the operands.
7660
7661 2007-01-11 Joseph Myers <joseph@codesourcery.com>
7662
7663 * c-common.c (vector_types_convertible_p): Treat opaque types as
7664 always convertible if they have the same size, but not otherwise.
7665
7666 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
7667
7668 * ifcvt.c (struct noce_if_info): Add comments to the fields.
7669 Remove the b_unconditional field.
7670 (noce_try_sign_mask): Do not look at b_unconditional.
7671 (noce_process_if_block): Do not use merge_if_blocks. Update
7672 the CFG here. Do not set b_unconditional.
7673 (cond_move_process_if_block): Likewise.
7674 (find_cond_trap): Likewise.
7675 (check_cond_move_block): Require simple jump insns at the end
7676 of the basic block.
7677
7678 2007-01-11 Jan Hubicka <jh@suse.cz>
7679
7680 PR tree-optimization/1046
7681 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
7682 when alias info is not ready.
7683 (pass_tail_recursion): Do not require aliasing.
7684 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
7685 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
7686 * tree-ssa-copy.c (pass_copy_prop): Likewise.
7687 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7688 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
7689 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
7690 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
7691 before inlining.
7692 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
7693 When aliasing is not build, mark statement as volatile.
7694
7695 2007-01-11 Tom Tromey <tromey@redhat.com>
7696
7697 PR preprocessor/15185, PR preprocessor/20989:
7698 * doc/cppopts.texi <-MT>: Update description of algorithm for
7699 computing default target.
7700 <-M, -MD>: Reword "basename" text.
7701
7702 2007-01-11 Roger Sayle <roger@eyesopen.com>
7703
7704 * builtins.c (expand_builtin_pow, expand_builtin_powi,
7705 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
7706 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7707 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
7708 fold_builtin_bswap, real_constp, fold_builtin_pow,
7709 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
7710 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
7711 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7712 * convert.c (convert_to_pointer): Likewise.
7713 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7714 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
7715 const_binop, fold_convert_const_int_from_int,
7716 fold_convert_const_int_from_real,
7717 fold_convert_const_real_from_real, sign_bit_p,
7718 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
7719 fold_sign_changed_comparison, fold_unary, fold_comparison,
7720 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
7721 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7722 * print-tree.c (print_node_brief, print_node): Likewise.
7723 * stor-layout.c (place_field, layout_type): Likewise.
7724 * tree-chrec.c (keep_cast): Likewise.
7725 * tree.c (build_vector, build_real, build_real_from_int_cst,
7726 build_complex): Likewise.
7727
7728 2007-01-11 Roger Sayle <roger@eyesopen.com>
7729
7730 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
7731 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
7732
7733 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
7734
7735 * configure.ac (strict1_warn): Rename to strict_warn.
7736 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
7737 cc_set_by_configure, quoted_cc_set_by_configure,
7738 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
7739 all_boot_languages, all_stagestuff): Remove.
7740 (target_list): Remove bootstrap targets.
7741 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
7742 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
7743 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
7744 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
7745 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
7746 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
7747 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
7748 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
7749 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
7750 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
7751 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
7752 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
7753 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
7754 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
7755 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
7756 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
7757 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
7758 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
7759 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
7760 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
7761 (mostlyclean): Adjust.
7762 (clean, distclean): Don't mention bootstrap stuff.
7763 * configure: Regenerate.
7764 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
7765 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
7766 treelang/config-lang.in (stagestuff): Remove.
7767 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
7768 stageprofile, stagefeedback, stagestuff): Remove mention.
7769
7770 2007-01-11 Nick Clifton <nickc@redhat.com>
7771
7772 * config/mcore/predicates.md (mcore_general_movesrc_operand):
7773 Accept CONSTs.
7774 (mcore_general_movdst_operand): Do not accept CONST_INTs.
7775 (mcore_arith_K_S_operand): Run the test for the S constraint not
7776 the test for the M constraint.
7777 (mcore_addsub_operand): Do not accept integer values that are
7778 larger than 32 bits.
7779 * config/mcore/mcore.md: Remove unused constraints from split.
7780 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
7781 (addsi3): Likewise.
7782 (allocate_stack): Likewise.
7783 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
7784 operands to 32 bits.
7785 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
7786 INTVAL.
7787 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
7788 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
7789 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
7790 mcore_output_bclri, mcore_output_andn, output_inline_const,
7791 mcore_output_move, mcore_output_movedouble): Likewise.
7792 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
7793 (output_inline_const): Likewise.
7794 (output_inline_const): Fix format strings used in sprintf
7795 statements.
7796 * config/mcore/mcore-protos.h: Update prototypes for changed
7797 functions in mcore.c.
7798 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
7799 HOST_WIDE_INT and not int.
7800 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
7801 CONST_OK_FOR_N): Likewise.
7802 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
7803 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
7804 an INTVAL.
7805
7806 2007-01-10 Jan Hubicka <jh@suse.cz>
7807
7808 * tree-vrp.c (remove_range_assertions): Release defs.
7809 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
7810 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
7811
7812 2007-01-10 Paul Brook <paul@codesourcery.com>
7813
7814 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
7815 * config/arm/arm.md (mulsi3subsi): New insn.
7816
7817 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
7818
7819 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
7820 (tree_transform_and_unroll_loop): New.
7821 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
7822 Declare.
7823
7824 2007-01-10 Robert Kennedy <jimbob@google.com>
7825
7826 * fold-const.c (fold_comparison): Fold comparisons like (x *
7827 1000 < 0) to (x < 0).
7828
7829 2007-01-10 Ian Lance Taylor <iant@google.com>
7830
7831 * tree-pretty-print.c (dump_generic_node): Print parentheses when
7832 operands have the same priority.
7833
7834 2007-01-10 Tom Tromey <tromey@redhat.com>
7835
7836 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
7837 (fold_binary): Likewise.
7838 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
7839 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
7840 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
7841 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
7842 * langhooks.h (struct lang_hooks): Removed field
7843 'can_use_bit_fields_p'.
7844
7845 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
7846
7847 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
7848
7849 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
7850
7851 * function.c (get_last_funcdef_no): New function.
7852 * function.h (get_last_funcdef_no): Declare.
7853 * tree-inline.c (initialize_cfun): Add initialization.
7854 (tree_function_versioning): Cleanup.
7855
7856 2007-01-10 Jan Hubicka <jh@suse.cz>
7857
7858 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
7859 PHIs.
7860
7861 2007-01-10 Sa Liu <saliu@de.ibm.com>
7862 Ben Elliston <bje@au.ibm.com>
7863
7864 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
7865 for SAVE_NONLOCAL and Pmode for any other save level.
7866 * spu-protos.h (spu_restore_stack_block): Declare.
7867 * spu.md (save_stack_block): Remove.
7868 (restore_stack_block): Call spu_restore_stack_block.
7869 * spu.c (spu_restore_stack_block): New function.
7870 (spu_expand_epilogue): Remove old comment.
7871
7872 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
7873
7874 PR tree-optimization/30322
7875 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
7876 (cand_value_at): Return the value as aff_tree.
7877 (may_eliminate_iv): Convert the bound from aff_tree to tree.
7878 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
7879 aff_combination_mult): New functions.
7880 (aff_combination_add): Use aff_combination_add_cst.
7881 (aff_combination_convert): Allow conversions to a wider type.
7882 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
7883 * tree-affine.h (aff_combination_mult): Declare.
7884
7885 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
7886
7887 * doc/tm.texi: Update documentation to reflect reality of exec
7888 and start file search behaviours. Update copyright year.
7889 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
7890 header file directories.
7891
7892 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
7893
7894 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
7895 (*cosxf2): Rename to cosxf2_i387.
7896 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
7897 using X87MODEF12 mode macro. Rename patterns to
7898 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
7899 for SSE math.
7900 (*cosdf2, *cossf2): Ditto.
7901 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
7902 to match extended input operands.
7903 (sincos<mode>3): New expander.
7904 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
7905 insn patterns and corresponding splitters.
7906
7907 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
7908
7909 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
7910 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
7911
7912 2007-01-09 Nicolas Pitre <nico@cam.org>
7913
7914 PR target/30173
7915 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
7916
7917 2007-01-08 Geoffrey Keating <geoffk@apple.com>
7918
7919 * target.h (struct gcc_target): New field library_rtti_comdat.
7920 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
7921 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
7922 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
7923 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
7924
7925 2007-01-08 Geoffrey Keating <geoffk@apple.com>
7926
7927 * doc/invoke.texi (Optimize Options): Correct description of -O0.
7928
7929 2007-01-08 Richard Guenther <rguenther@suse.de>
7930
7931 * tree.h (force_fit_type_double): Export.
7932 (force_fit_type): Remove.
7933 * fold-const.c (force_fit_type_double): New function.
7934 (force_fit_type): Remove.
7935 (int_const_binop): Use it.
7936 (fold_convert_const_int_from_int): Likewise.
7937 (fold_convert_const_int_from_real): Likewise.
7938 (fold_div_compare): Likewise.
7939 (fold_sign_changed_comparison): Likewise.
7940 (fold_unary): Likewise.
7941 (fold_negate_const): Likewise.
7942 (fold_abs_const): Likewise.
7943 (fold_not_const): Likewise.
7944 * c-common.c (shorten_compare): Use force_fit_type_double.
7945 * convert.c (convert_to_pointer): Likewise.
7946
7947 2007-01-08 Richard Guenther <rguenther@suse.de>
7948
7949 * tree.h (build_int_cst_wide_type): Export.
7950 * tree.c (build_int_cst_wide_type): New function.
7951 (build_int_cst_wide): Fix comment.
7952 * builtins.c (fold_builtin_object_size): Use build_int_cst
7953 to build -1 or 0 of the correct type. Use fit_double_type
7954 to check for overflow.
7955 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
7956 to build the mask.
7957 (decode_field_reference): Likewise.
7958 (all_ones_mask_p): Likewise.
7959 (native_interpret_int): Use build_int_cst_wide_type.
7960 (fold_binary): Use build_int_cst_type to build an all-ones
7961 value.
7962 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
7963
7964 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
7965
7966 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
7967
7968 2007-01-09 Ben Elliston <bje@au.ibm.com>
7969
7970 * genautomata.c (STATS_OPTION): New option.
7971 (stats_flag): New flag.
7972 (gen_automata_option): Handle it.
7973 (initiate_automaton_gen): Ditto.
7974 (write_automata): Output statistics only if stats_flag is
7975 set. Likewise, output time statistics only if time_flag is set.
7976 * doc/md.texi (Processor pipeline description): Document new flag.
7977
7978 2007-01-08 Richard Guenther <rguenther@suse.de>
7979
7980 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
7981 * tree.c (build_int_cst_type): Likewise.
7982 (size_in_bytes): Don't call force_fit_type on the result.
7983 (int_fits_type_p): Use fit_double_type.
7984 * fold-const.c (fit_double_type): New function.
7985 (force_fit_type): Use it.
7986 * tree.h (fit_double_type): Export.
7987
7988 2007-01-08 Jan Hubicka <jh@suse.cz>
7989
7990 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
7991 * ipa.c (function_and_variable_visibility): Fix return type.
7992
7993 2007-01-08 Richard Guenther <rguenther@suse.de>
7994
7995 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
7996 of offset to build the index.
7997 * tree-pretty-print.c (dump_generic_node): Don't build negated
7998 const just for printing.
7999 * c-pretty-print.c (pp_c_integer_constant): Likewise.
8000 * builtins.c (fold_builtin_int_roundingfn): Check if result
8001 fits the type by using force_fit_type and comparing the result.
8002 * predict.c (predict_loops): Use compare_tree_int for comparison.
8003 * tree.c (build_int_cst): Fall back to integer_type_node for
8004 NULL_TREE type.
8005 (build_int_cst_wide): Assert type is non-null.
8006
8007 2007-01-08 Roberto Costa <roberto.costa@st.com>
8008
8009 * tree-vrp.c (extract_range_from_cond_expr): New.
8010 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
8011 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
8012 as expressions.
8013 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
8014 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
8015 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
8016 used as expressions.
8017 * tree-object-size.c (cond_expr_object_size): New.
8018 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
8019
8020 2007-01-08 Jan Hubicka <jh@suse.cz>
8021
8022 * tree-ssa-forwprop.c (forward_propagate_into_cond,
8023 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
8024 statement.
8025
8026 2007-01-08 Richard Guenther <rguenther@suse.de>
8027
8028 PR tree-optimization/23603
8029 * tree-vrp.c (set_value_range_to_truthvalue): New function.
8030 (extract_range_from_binary): Fall back to truthvalue instead of
8031 varying for TRUTH_*_EXPR.
8032 (extract_range_from_comparison): Fall back to truthvalue instead of
8033 varying.
8034 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
8035 if all visited PHI values were constant.
8036
8037 2007-01-08 Jan Hubicka <jh@suse.cz>
8038
8039 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
8040 (cgraph_analyze_function): break out from ...
8041 (cgraph_finalize_compilation_unit): ... here.
8042 (cgraph_expand_function): Remove forgoten commented out line.
8043 (cgraph_optimize): Analyze functions.
8044
8045 2007-01-08 Jan Hubicka <jh@suse.cz>
8046
8047 * tree-pas.h (TODO_remove_function): New flag.
8048 (TODO_update*): Renumber.
8049 (pass_ipa_increase_alignment,
8050 pass_ipa_function_and_variable_visibility): New passes.
8051 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
8052 (cgraph_function_and_variable_visibility): Move to ipa.c
8053 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
8054 cgraph_increase_alignment.
8055 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
8056 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
8057 calling tree-inline.
8058 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
8059 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8060 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8061 (gate_increase_alignment): New function.
8062 (pass_ipa_increase_alignment): New pass.
8063 * ipa.c: Inline tree-pass.h and timevar.h
8064 (function_and_variable_visibility): Move here from cgraphunit.c
8065 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8066 * passes.c (init_optimization_passes): Add the two new passes.
8067 (execute_todo): Handle cgraph_remove_functions.
8068
8069 2007-01-08 Nick Clifton <nickc@redhat.com>
8070
8071 * config/frv/predicates.md (reg_or_0_operand): Accept
8072 CONST_DOUBLEs.
8073
8074 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
8075
8076 * config/bfin/rtems.h, config/bfin/t-rtems: New.
8077 * config.gcc: Add bfin*-rtems*.
8078
8079 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
8080
8081 * c.opt: Add -flax-vector-conversions.
8082 * c-typeck.c (convert_for_assignment): Pass flag to
8083 vector_types_convertible_p to allow emission of note.
8084 (digest_init): Likewise.
8085 * c-opts.c: Handle -flax-vector-conversions.
8086 * c-common.c (flag_lax_vector_conversions): New.
8087 (vector_types_convertible_p): Unless -flax-vector conversions
8088 has been passed, disallow conversions between vectors with
8089 differing numbers of subparts and/or element types. If such
8090 a conversion is disallowed, possibly emit a note on the first
8091 occasion only to inform the user of -flax-vector-conversions.
8092 The new last argument specifies this.
8093 * c-common.h (flag_lax_vector_conversions): New.
8094 (vector_types_convertible_p): Add extra argument.
8095 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8096 char_type_node for V*QI type vectors.
8097 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8098 Update to satisfy new typechecking rules.
8099 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8100 C and C++ variants.
8101 * doc/invoke.texi (C Dialect Options): Document
8102 -flax-vector-conversions.
8103
8104 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
8105
8106 PR tree-optimization/29877
8107 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8108 a register variable on the RHS to not be replaceable.
8109
8110 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
8111 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8112 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8113 const_simm15, const_pow2, const_npow2): Added.
8114 * config/score/misc.md (insv, extv, extzv, movmemsi,
8115 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8116 * config/score/score.c (score_address_cost, score_select_cc_mode):
8117 Added.
8118 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8119 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8120 Update score_print_operand.
8121 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8122 Adjust register allocate order and update some macro define.
8123 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8124 mdx_block_move_straight, mdx_block_move_loop_head,
8125 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8126 mdx_block_move): Added.
8127 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8128 mdp_limm): Updated and fix some bug and typo.
8129 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8130 (movsf, movdf, doloop_end): Added.
8131
8132 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
8133
8134 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8135 config/arm/thumb2.md: Fix comment typos.
8136 * doc/extend.texi: Fix a typo.
8137
8138 2007-01-07 Eric Christopher <echristo@apple.com>
8139
8140 * configure.ac: Check for __stack_chk_fail for darwin.
8141 * configure: Regenerate.
8142
8143 2007-01-07 Richard Guenther <rguenther@suse.de>
8144
8145 * tree-vrp.c (extract_range_from_assert): CSE calls to
8146 compare_values where possible.
8147 (extract_range_from_unary_expr): Likewise.
8148
8149 2007-01-07 Anatoly Sokolov <aesok@post.ru>
8150
8151 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8152 * config/avr/avr.c (call_insn_operand): Delete function.
8153 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8154 instead of register number. Use predicates.
8155 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8156 call_insn_operand): Add.
8157
8158 2007-01-06 Jan Hubicka <jh@suse.cz>
8159
8160 * tree-pass.h (pass_build_cgraph_edges): Declare.
8161 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8162 (visited_nodes): Remove.
8163 (cgraph_create_edges): Move to cgraphbuild.c; rename to
8164 build_cgrpah_edges; make visited_nodes local.
8165 (cgraph_process_new_functions): DO not call initialize_inline_failed.
8166 (record_references_in_initializer): Move to cgraphbuild.c
8167 (initialize_inline_failed, rebuild_cgraph_edges,
8168 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8169 (verify_cgraph_node): Make visited_nodes local.
8170 (cgraph_analyze_function): Do not call cgraph_create_edges and
8171 initialize_inline_failed.
8172 (cgraph_expand_function): Do not call cgraph_lower_function;
8173 assert that function is already lowered.
8174 * Makefile.in (cgraphbuild.o): New.
8175 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
8176 at the end of lowering passes.
8177
8178 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
8179
8180 * ifcvt.c (cond_move_convert_if_block): New function, code
8181 factored out from...
8182 (cond_move_process_if_block): ...here. Call the new function
8183 on the THEN and ELSE blocks.
8184 (merge_if_block): Do not copy global_live_at_end, merge_blocks
8185 already takes care of this.
8186
8187 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8188
8189 PR c/19978
8190 * tree.h (TREE_OVERFLOW_P): New.
8191 * c-typeck.c (parser_build_unary_op): Warn only if result
8192 overflowed and operands did not.
8193 (parser_build_binary_op): Likewise.
8194 (convert_for_assignment): Remove redundant overflow_warning.
8195 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
8196
8197 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8198
8199 * c-typeck.c (store_init_value): Split over two lines to follow
8200 the GNU coding style.
8201
8202 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
8203
8204 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
8205 __GXX_EXPERIMENTAL_CXX0X__.
8206 * doc/cpp.texi: Same.
8207
8208 2007-01-05 Richard Guenther <rguenther@suse.de>
8209
8210 PR middle-end/27826
8211 * tree.c (get_narrower): Do not construct COMPONENT_REFs
8212 with mismatched types. Instead explicitly build a
8213 conversion NOP_EXPR.
8214
8215 2007-01-05 Ian Lance Taylor <iant@google.com>
8216
8217 * c-common.c (decl_with_nonnull_addr_p): New function.
8218 (c_common_truthvalue_conversion): Call it.
8219 * c-typeck.c (build_binary_op): Likewise.
8220 * c-common.h (decl_with_nonnull_addr_p): Declare.
8221
8222 2007-01-05 Jakub Jelinek <jakub@redhat.com>
8223
8224 PR c/30360
8225 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
8226 denom against 0.0.
8227
8228 2007-01-05 Joel Brobecker <brobecker@adacore.com>
8229
8230 * doc/install.texi (Final install): Document the fact that
8231 the GNAT runtime should not be stripped.
8232
8233 2007-01-04 Jan Hubicka <jh@suse.cz>
8234
8235 * tree-inline.c (fold_marked_statements): Update operand caches
8236 and EH after folding
8237
8238 2007-01-04 Ian Lance Taylor <iant@google.com>
8239
8240 * c-common.c (check_function_nonnull): Whitespace fix.
8241
8242 2007-01-04 Jan Hubicka <jh@suse.cz>
8243
8244 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
8245 comitted older version of patch.
8246 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
8247 function, celanup cfg and collect garbage.
8248
8249 2007-01-04 Mike Stump <mrs@apple.com>
8250
8251 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
8252 (clean): Likewise.
8253
8254 2007-01-04 Eric Christopher <echristo@apple.com>
8255
8256 * libgcc2.c (__bswapsi2): Use SItype.
8257 (__bswapdi2): Use DItype.
8258 * libgcc2.h: Update for above.
8259
8260 2007-01-04 Paul Brook <paul@codesourcery.com>
8261
8262 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
8263 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
8264 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
8265 umulsidi3, umulsidi3adddi, smulsi3_highpart,
8266 umulsi3_highpart): Make conditional on !arm_arch6.
8267 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
8268 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
8269 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
8270 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
8271 umulsi3_highpart_v6): New insns.
8272
8273 2007-01-04 Roger Sayle <roger@eyesopen.com>
8274
8275 * fold-const.c (fold_convert): When casting an expression to void,
8276 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
8277 have a type. Instead of attempting to build a NOP_EXPR, return
8278 these "special" trees directly.
8279
8280 2007-01-04 Joseph Myers <joseph@codesourcery.com>
8281
8282 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
8283 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
8284 rs6000_cost->fp not 0 as adjustment for outer NEG.
8285
8286 2007-01-04 Jan Hubicka <jh@suse.cz>
8287
8288 * cgraph.c (cgraph_release_function_body): New function.
8289 (cgraph_remove_node): Use it.
8290 * cgraph.h (cgraph_release_function_body): Declare.
8291 * cgraphunit.c (cgraph_expand_function): Use it.
8292 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
8293 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
8294 is initialized and while compilation of other function is running.
8295 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
8296 statement CFG annotations from here to ...
8297 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
8298
8299 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
8300
8301 * cfgloop.h (enum li_flags): Make the constants powers of two.
8302
8303 2007-01-04 Jan Hubicka <jh@suse.cz>
8304
8305 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
8306 set.
8307 (fold_marked_statements): New function.
8308 (optimize_inline_calls, tree_function_versioning): Fold new statements.
8309 * tree-inline.h (copy_body_data): Add statements_to_fold.
8310
8311 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
8312
8313 * config.gcc: Mention libgcc/config.host.
8314 * Makefile.in: Update comments mentioning libgcc.
8315 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
8316 (all.cross, start.encap, rest.encap, rest.cross): Update
8317 dependencies for libgcc move.
8318 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
8319 (clean-target, clean-target-libgcc): Delete.
8320 (srcdirify, GCC_EXTRA_PARTS): New macros.
8321 (libgcc-support, libgcc.mvars): New rules.
8322 (distclean): Remove mention of mklibgcc.
8323 (install): Don't reference INSTALL_LIBGCC.
8324 (install-common): Don't reference EXTRA_PARTS.
8325 (install-libgcc, install-multilib): Delete rules.
8326 * mklibgcc.in: Delete file.
8327 * doc/configfiles.texi: Don't mention mklibgcc.
8328
8329 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
8330 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
8331 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
8332 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
8333 (mklibgcc, ldblspecs): Likewise.
8334
8335 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
8336 (posixpre.def): Use $(T).
8337 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
8338 (SHLIB_SRC, SHLIB_INSTALL): Delete.
8339 (SHLIB_LINK): Make dummy.
8340 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
8341
8342 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
8343
8344 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
8345 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
8346 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
8347 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
8348
8349 * configure.ac (all_outputs): Remove mklibgcc.
8350 * configure: Regenerated.
8351
8352 2007-01-03 Josh Conner <jconner@apple.com>
8353
8354 PR middle-end/29683
8355 * calls.c (compute_argument_addresses): Set stack and stack_slot
8356 for partial args, too.
8357 (store_one_arg): Use locate.size.constant for the size when
8358 generating a save_area.
8359
8360 2007-01-03 Robert Kennedy <jimbob@google.com>
8361
8362 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
8363 whose definitions are deleted due to basic block merging.
8364
8365 2007-01-03 Paul Brook <paul@codesourcery.com>
8366
8367 PR target/16634
8368 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
8369 functions.
8370 (use_return_insn): Return 0 for Thumb interrupt functions.
8371 (print_multi_reg): Add rfe argument for IRQ returns.
8372 (arm_output_epilogue): Pop interrupt return address directly into PC.
8373 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
8374
8375 2007-01-03 Paul Brook <paul@codesourcery.com>
8376
8377 Merge from sourcerygxx-4_1.
8378 * config/arm/thumb2.md: New file.
8379 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
8380 Thumb-2.
8381 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
8382 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8383 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
8384 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
8385 tables.
8386 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8387 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
8388 comptibility.
8389 * config/arm/ieee754-sf.S: Ditto.
8390 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
8391 (thumb1_base_register_rtx_p): ... to this.
8392 (thumb_index_register_rtx_p): Rename...
8393 (thumb1_index_register_rtx_p): ... to this.
8394 (thumb_output_function_prologue): Rename...
8395 (thumb1_output_function_prologue): ... to this.
8396 (thumb_legitimate_address_p): Rename...
8397 (thumb1_legitimate_address_p): ... to this.
8398 (thumb_rtx_costs): Rename...
8399 (thumb1_rtx_costs): ... to this.
8400 (thumb_compute_save_reg_mask): Rename...
8401 (thumb1_compute_save_reg_mask): ... to this.
8402 (thumb_final_prescan_insn): Rename...
8403 (thumb1_final_prescan_insn): ... to this.
8404 (thumb_expand_epilogue): Rename...
8405 (thumb1_expand_epilogue): ... to this.
8406 (arm_unwind_emit_stm): Rename...
8407 (arm_unwind_emit_sequence): ... to this.
8408 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
8409 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
8410 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
8411 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
8412 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
8413 thumb2_output_casesi): New functions.
8414 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
8415 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
8416 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
8417 THUMB2_WORK_REGS): Define.
8418 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
8419 arm_condexec_mask, arm_condexec_masklen)): New variables.
8420 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
8421 (arm_override_options): Check new CPU capabilities.
8422 Set new architecture flag variables.
8423 (arm_isr_value): Handle v7m interrupt functions.
8424 (user_return_insn): Return 0 for v7m interrupt functions. Handle
8425 Thumb-2.
8426 (const_ok_for_arm): Handle Thumb-2 constants.
8427 (arm_gen_constant): Ditto. Use movw when available.
8428 (arm_function_ok_for_sibcall): Return false for v7m interrupt
8429 functions.
8430 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
8431 (thumb_find_work_register, arm_load_pic_register,
8432 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
8433 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
8434 print_multi_reg, output_mov_long_double_fpa_from_arm,
8435 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
8436 output_mov_double_fpa_from_arm, output_move_double,
8437 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
8438 output_return_instruction, arm_output_function_prologue,
8439 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
8440 arm_output_mi_thunk, thumb_set_return_address): Ditto.
8441 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
8442 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
8443 (arithmetic_instr, shift_op): Use arm_shift_nmem.
8444 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
8445 '!' and 'L'.
8446 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
8447 (thumb_expand_prologue): Use thumb_set_frame_pointer.
8448 (arm_file_start): Output directive for unified syntax.
8449 (arm_unwind_emit_set): Handle stack alignment instruction.
8450 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
8451 Add v6t2, v7, v7a, v7r and v7m.
8452 (RETLDM): Add Thumb-2 code.
8453 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
8454 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
8455 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
8456 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
8457 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
8458 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
8459 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
8460 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
8461 ADJUST_INSN_LENGTH): Define.
8462 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
8463 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
8464 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
8465 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
8466 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
8467 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
8468 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
8469 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
8470 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
8471 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
8472 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
8473 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
8474 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
8475 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
8476 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
8477 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
8478 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
8479 cortex-m3.
8480 * config/arm/arm-tune.md: Regenerate.
8481 * config/arm/arm-protos.h: Update prototypes.
8482 * config/arm/vfp.md: Enable patterns for Thumb-2.
8483 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
8484 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
8485 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
8486 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
8487 * config/arm/libunwind.S: Add Thumb-2 code.
8488 * config/arm/constraints.md: Update include Thumb-2.
8489 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
8490 * config/arm/ieee754-df.S: Ditto.
8491 * config/arm/bpabi.S: Ditto.
8492 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
8493 * config/arm/predicates.md (low_register_operand,
8494 low_reg_or_int_operand, thumb_16bit_operator): New.
8495 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
8496 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
8497 * config/arm/t-arm-elf: Add armv7 multilib.
8498 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
8499 Include thumb2.md.
8500 (UNSPEC_STACK_ALIGN, ce_count): New.
8501 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
8502 arm_zero_extendsidi2, arm_zero_extendqidi2): New
8503 insns/expanders.
8504 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
8505 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
8506 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
8507 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
8508 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
8509 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
8510 insns.
8511 * doc/extend.texi: Document ARMv7-M interrupt functions.
8512 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
8513
8514 2007-01-03 Jakub Jelinek <jakub@redhat.com>
8515
8516 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
8517 (struct _Unwind_Context): Rename args_size to flags, remove
8518 signal_frame field, add a new args_size field and version field.
8519 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
8520 _Unwind_IsExtendedContext): New inline functions.
8521 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8522 Assume by_value array is only present if _Unwind_IsExtendedContext.
8523 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
8524 _Unwind_IsSignalFrame.
8525 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
8526 (uw_update_context_1): Use _Unwind_SetSignalFrame.
8527 (uw_init_context_1): Initialize context->flags to
8528 EXTENDED_CONTEXT_BIT.
8529 * config/rs6000/linux-unwind.h (frob_update_context): Use
8530 _Unwind_SetSignalFrame.
8531
8532 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
8533
8534 PR middle-end/30353
8535 * gimplify.c (gimplify_modify_expr_complex_part): Move below
8536 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
8537 the value.
8538
8539 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
8540
8541 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
8542 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
8543 RET, AT_SP): Remove.
8544 * config/i386/i386.md (*sse_prologue_save_insn): Use return
8545 instead of RET.
8546
8547 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8548 * cfgbuild.c (find_basic_blocks): Likewise.
8549 * cfgrtl.c (rtl_create_basic_block): Likewise.
8550 * function.c (temp_slots_at_level): Likewise.
8551 * reg-stack.c (stack_regs_mentioned): Likewise.
8552 * regclass.c (allocate_reg_info): Likewise.
8553 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8554 set_bb_for_stmt, move_block_to_fn): Likewise.
8555 * tree-complex.c (tree_lower_complex): Likewise.
8556 * vec.h (VEC_safe_grow_cleared): New.
8557
8558 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
8559
8560 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
8561
8562 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
8563 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
8564 to loop_version.
8565 * cfgloopmanip.c (scale_loop_frequencies): Export.
8566 (loopify): Scale the frequencies by prescribed coefficients.
8567 (set_zero_probability): New function.
8568 (duplicate_loop_to_header_edge): Improve updating of frequencies.
8569 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
8570 and frequencies according to arguments.
8571 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
8572 correctly.
8573 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
8574 * modulo-sched.c (sms_schedule): Set probabilities for entering
8575 versioned loop correctly.
8576 * tree-vect-transform.c (vect_transform_loop): Ditto.
8577 * cfgloop.h (loopify, loop_version): Declaration changed.
8578 (scale_loop_frequencies): Declared.
8579
8580 2007-01-02 Jan Hubicka <jh@suse.cz>
8581
8582 * cgraph.c: Include tree-flow.h
8583 (cgraph_add_new-function): Handle IPA_SSA mode; execute
8584 early_local_passes.
8585 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
8586 * tree-pass.h (pass_all_early_optimizations): Declare.
8587 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
8588 early_local_passes.
8589 (cgraph_analyze_function): Do early_local_passes.
8590 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8591 Do not add referenced vars.
8592 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
8593 SSA form.
8594 (gate_all_early_local_passes): New gate.
8595 (pass_early_local_passes): Use new gate.
8596 (execute_early_local_optimizations): New functions.
8597 (gate_all_early_optimizations): New gate.
8598 (pass_all_early_optimizations): New pass.
8599 (execute_free_datastructures): Free SSA only when initialized.
8600 (gate_init_datastructures): Init only when optimizing.
8601 (tree_lowering_passes): Do early local passes when called late.
8602 * tree-profile.c (do_tree_profiling): Don't profile functions added
8603 late.
8604 (do_early_tree_profiling, pass_early_tree_profile): Kill.
8605 * tree-cfg.c (update_modified_stmts): Do not update when operands are
8606 not active.
8607 * passes.c (init_optimizations_passes): Reorder so we go into SSA
8608 during early_local_passes.
8609 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
8610
8611
8612 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8613
8614 * Makefile.in: Update copyright year.
8615
8616 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8617
8618 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
8619 in $(lang_checks) and check-consistency targets.
8620
8621 2007-01-02 Jan Hubicka <jh@suse.cz>
8622
8623 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8624 Do not add referenced vars.
8625 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
8626 are not active.
8627 * passes.c (init_optimization_passes): Put mudflap_2 after
8628 free_datastructures.
8629
8630 2007-01-02 Jan Hubicka <jh@suse.cz>
8631
8632 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
8633 Set NOTHROW flag on call statements proved to be nothrow.
8634 Update statement of local calls so new pure/const functions are
8635 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
8636 goto receivers.
8637 (tree_rest_of_compilation): Register hooks and initialize bitmap
8638 early. Do not set after_inlining flag.
8639
8640 2007-01-02 Steve Ellcey <sje@cup.hp.com>
8641
8642 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
8643 HOST_BITS_PER_LONGLONG
8644
8645 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8646
8647 PR c/19977
8648 * c-typeck.c (store_init_value): Don't emit pedantic overflow
8649 warning for non-static initializers.
8650
8651 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
8652
8653 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
8654 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
8655 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
8656 Always use set_unique_reg_note to add REG_EQUAL notes.
8657
8658 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8659
8660 Revert:
8661 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8662
8663 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8664 * cfgbuild.c (find_basic_blocks): Likewise.
8665 * cfgrtl.c (rtl_create_basic_block): Likewise.
8666 * function.c (temp_slots_at_level): Likewise.
8667 * reg-stack.c (stack_regs_mentioned): Likewise.
8668 * regclass.c (allocate_reg_info): Likewise.
8669 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8670 set_bb_for_stmt, move_block_to_fn): Likewise.
8671 * tree-complex.c (tree_lower_complex): Likewise.
8672 * vec.h (VEC_safe_grow_cleared): New.
8673
8674 2007-01-02 Ian Lance Taylor <iant@google.com>
8675
8676 * c-common.c (c_common_truthvalue_conversion): When warning about
8677 using an assignment as a truth value, set TREE_NO_WARNING.
8678
8679 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8680
8681 PR middle-end/7651
8682 * c.opt (Wold-style-declaration): New.
8683 * doc/invoke.texi (C-only Warning Options): New.
8684 (Wold-style-declaration): Document it.
8685 (Wextra): Enabled by -Wextra.
8686 * c-opts.c (c_common_post_options): Enabled by -Wextra.
8687 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
8688 -Wold-style-declaration.
8689
8690 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8691
8692 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8693 * cfgbuild.c (find_basic_blocks): Likewise.
8694 * cfgrtl.c (rtl_create_basic_block): Likewise.
8695 * function.c (temp_slots_at_level): Likewise.
8696 * reg-stack.c (stack_regs_mentioned): Likewise.
8697 * regclass.c (allocate_reg_info): Likewise.
8698 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8699 set_bb_for_stmt, move_block_to_fn): Likewise.
8700 * tree-complex.c (tree_lower_complex): Likewise.
8701 * vec.h (VEC_safe_grow_cleared): New.
8702
8703 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
8704
8705 * c-common.c (c_common_nodes_and_builtins): Since variants of
8706 void_type_node get built before it is given a name, we need to
8707 give those variants the name, too.
8708 (complete_array_type): We need to work with the canonical main
8709 type of the array, from which we will build the qualified version.
8710 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
8711 * print-tree.c (print_node): Display canonical type information
8712 for each type.
8713 * stor-layout.c (layout_type): When we don't know the
8714 alignment of a type for which we're building an array, we end up
8715 guessing wrong, so make the type require structural equality.
8716 * tree.c (make_node_stat): When we build a new type, it is its
8717 own canonical type.
8718 (build_type_attribute_qual_variant): When building an attribute
8719 variant, its canonical type is the non-attribute variant. However,
8720 if the attributes are target-dependent and they differ, we need to
8721 use structural equality checks for this type.
8722 (build_qualified_type): A qualified type is not equivalent to its
8723 unqualified variant; set the canonical type appropriately.
8724 (build_distinct_type_copy): When building a distinct type from
8725 another type, the new type is its own canonical type.
8726 (build_variant_type_copy): When building a new type variant, we
8727 assume that it is equivalent to the original type.
8728 (build_pointer_type_for_mode): When building a pointer type, also
8729 build a canonical type pointer.
8730 (build_reference_type_for_mode): When building a reference type,
8731 also build a canonical type reference.
8732 (build_index_type): When we can't hash an index type (e.g.,
8733 because its maximum value is negative), the index type requires
8734 structural equality tests.
8735 (build_array_type): Build the canonical form of an array type.
8736 (build_function_type): Function types require structural equality,
8737 because they contain default arguments, attributes, etc.
8738 (build_method_type_directly): Ditto for method types.
8739 (build_offset_type): Build the canonical offset type.
8740 (build_complex_type): Build the canonical vector type.
8741 (make_vector_type): Build the canonical vector type.
8742 * tree.h (TYPE_CANONICAL): New.
8743 (TYPE_STRUCTURAL_EQUALITY_P): New.
8744 (SET_TYPE_STRUCTURAL_EQUALITY): New.
8745 (struct tree_type): Added "canonical" field.
8746 * params.h (VERIFY_CANONICAL_TYPES): New.
8747 * doc/c-tree.texi (TYPE_CANONICAL): Document.
8748 (TYPE_STRUCTURAL_EQUALITY_P): Document.
8749 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
8750 * doc/invoke.texi (verify-canonical-types): Document --param
8751 parameter for verifying canonical types.
8752
8753 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8754
8755 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
8756 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
8757 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
8758 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
8759 tm_file.
8760 * config/rs6000/e500.h: New.
8761 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
8762 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
8763 Remove.
8764 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
8765 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
8766 TARGET_E500_DOUBLE): Remove.
8767 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
8768 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
8769 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
8770 * config/rs6000/rs6000.c (rs6000_override_options): Use
8771 CHECK_E500_OPTIONS.
8772
8773 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8774
8775 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
8776 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
8777 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
8778 rs6000_emit_cmove): Don't check TARGET_E500.
8779 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
8780 sordered): Don't check TARGET_E500.
8781
8782 2007-01-01 Eric Christopher <echristo@apple.com>
8783
8784 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
8785 HARD_REGISTER_NUM_P.
8786
8787 2007-01-01 Roger Sayle <roger@eyesopen.com>
8788
8789 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
8790 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
8791 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
8792 eq/ne Y".
8793
8794 2007-01-01 Mike Stump <mrs@apple.com>
8795
8796 * configure.ac: Remove support for building with Apple's gcc-3.1.
8797
8798 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8799
8800 PR middle-end/30311
8801 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
8802 REG is a hard register. Do not modify REG before calling
8803 subreg_nregs.
8804 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
8805 multiple of the size of YMODE for certain lowpart cases.
8806
8807 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8808
8809 PR middle-end/30253
8810 * gimplify (voidify_wrapper_expr): Update for
8811 GIMPLE_MODIFY_STMT.
8812
8813 2007-01-01 Andreas Schwab <schwab@suse.de>
8814
8815 PR target/29166
8816 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
8817 save of BR0 in extra_spill_size instead of spill_size.
8818 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
8819 area.
8820 (ia64_expand_epilogue): Restore BR0 from its new location.
8821
8822 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8823
8824 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
8825 Use a temporary variable if the left hand side is not a gimple
8826 register.
8827
8828 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8829
8830 * gimplify.c (gimplify_return_expr): Make the temporary variable
8831 for the return expression, a gimple register variable.
8832
8833 2007-01-01 Jan Hubicka <jh@suse.cz>
8834
8835 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
8836 INSN_LIST.
8837
8838 2007-01-01 Mike Stump <mrs@apple.com>
8839
8840 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
8841 .literal16.
8842 * config/darwin.c (machopic_select_rtx_section): Use
8843 HAVE_GAS_LITERAL16.
8844 (darwin_mergeable_constant_section): Likewise.
8845 * configure: Regenerate.
8846 * config.in: Regenerate.
8847
8848 2007-01-01 Jan Hubicka <jh@suse.cz>
8849 Andrew Pinski <pinskia@gmail.com>
8850
8851 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
8852 before starting IPA passes.