re PR middle-end/19486 (flags_complex_divide_method=1 doesn't work)
[gcc.git] / gcc / ChangeLog
1 2005-01-23 Richard Henderson <rth@redhat.com>
2
3 PR 19486
4 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
5 edges leading to join block.
6
7 2005-01-23 Roger Sayle <roger@eyesopen.com>
8
9 * expmed.c (expand_mult_highpart): Make static. Change type of
10 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
11 (expand_divmod): Updates calls to expand_mult_highpart by using
12 gen_int_mode to pass a CONST_INT rtx.
13 * rtl.h (expand_mult_highpart): Remove prototype.
14
15 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
16
17 * flow.c (regset_bytes, regset_size): Remove.
18
19 * cfganal.c: Fix a reference to Harvey's paper.
20
21 2005-01-23 Steven Bosscher <stevenb@suse.de>
22
23 PR rtl-optimization/19464
24 * tree-optimize.c (init_tree_optimization_passes): Add one more
25 copyrename pass just before out-of-ssa.
26
27 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
28
29 PR bootstrap/18058
30 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
31 * ggc-none.c (ggc_free): Define.
32
33 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
34
35 * cse.c (max_reg, max_insn_uid): Remove.
36 (cse_main): Don't access max_reg or max_insn_uid.
37
38 * c-common.c (explicit_flag_signed_bitfields,
39 lang_statement_code_p, lang_expand_function_end): Remove.
40 * c-common.h: Remove the corresponding declarations.
41 * c-opts.c (c_common_handle_option): Remove all write access
42 to explicit_flag_signed_bitfields.
43
44 * cgraph.c (cgraph_varpool_n_nodes): Remove.
45 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
46 * cgraph.h: Remove the corresponding declaration.
47
48 * gcse.c (null_pointer_info): Remove.
49
50 2005-01-23 Roger Sayle <roger@eyesopen.com>
51 Eric Botcazou <ebotcazou@libertysurf.fr>
52
53 * combine.c (simplify_logical): Only simplify logical expressions
54 of the form ior(and(x,y),z) by the inverse distributive law if the
55 result is cheaper than the original.
56
57 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
58
59 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
60 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
61 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
62 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
63 config/freebsd-spec.h, config/arm/arm.h,
64 config/h8300/h8300.md, config/i386/i386.md,
65 config/i386/predicates.md, config/i386/sse.md,
66 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
67 config/vax/vax.md: Fix comment typos. Follow spelling
68 conventions.
69
70 2005-01-23 Steven Bosscher <stevenb@suse.de>
71
72 * gengtype.c (walk_type): Produce `not equal to' compares for loop
73 tests, instead of `less than'.
74
75 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
76
77 * function.c (assign_parm_setup_block): When creating a new stack slot
78 for a parameter, get its alignment from the parameter's DECL_ALIGN
79 rather than the type's TYPE_ALIGN. Make sure that the parameter
80 is at least word aligned.
81
82 2005-01-22 Roger Sayle <roger@eyesopen.com>
83
84 PR middle-end/19378
85 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
86
87 2005-01-22 Richard Henderson <rth@redhat.com>
88
89 PR target/19506
90 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
91 in both compare operands.
92 (movdfcc_1_sse_max): Likewise.
93 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
94 (movdfcc_1_sse): Likewise.
95 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
96 scratch register as needed.
97
98 2005-01-22 Richard Henderson <rth@redhat.com>
99
100 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
101
102 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
103
104 2005-01-22 Richard Henderson <rth@redhat.com>
105
106 * genopinit.c (optabs): Use smin/smax for floating point too.
107 * doc/md.texi: Update to match. Clarify that floating point
108 results are undefined for +0/-0 and NaN.
109 * doc/rtl.texi: Likewise.
110 * rtl.def (SMIN, SMAX): Likewise
111 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
112
113 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
114 leading 's' to the name.
115 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
116 smaxxf3, sminxf3): Likewise.
117 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
118 Likewise.
119
120 2005-01-22 Paul Brook <paul@codesourcery.com>
121
122 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
123
124 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
125
126 * config/s390/s390.c (struct processor_costs): New fields
127 dlgr, dlr, dr, dsgfr, dsgr.
128 (z900_cost, z990_cost): Values for new fields.
129 (s390_rtx_costs): New cases MEM und COMPARE in switch
130 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
131 DIV, MOD, UDIV, UMOD.
132
133 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
134
135 * config/s390/s390.md ("doloop_si64"): Reload input value directly
136 into the register being decremented.
137 ("doloop_si31", "doloop_di"): Likewise.
138 ("*doloop_si_long"): Adapt pattern.
139
140 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
141
142 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
143 access registers.
144 (CLASS_MAX_NREGS): Likewise.
145
146 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
147
148 * doc/tree-ssa.texi (Statement Operands): Add example for new
149 must-def macro. Note deprecation of old operands interface.
150
151 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
152
153 PR tree-optimization/19484
154 * tree-cfg.c (remove_fallthru_edge): New function.
155 (cleanup_control_flow): Remove fallthru edges from calls that are
156 now known not to return.
157
158 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
159
160 Fix PR tree-optimization/19038
161 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
162 copies with loop variant ones.
163
164 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
165
166 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
167 config/alpha/alpha-protos.h, config/alpha/alpha.h,
168 config/alpha/alpha.md, config/alpha/predicates.md,
169 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
170 config/sparc/sol2.h: Update copyright.
171
172 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
173 first label to see if it is a nonlocal label.
174
175 2005-01-22 David Edelsohn <edelsohn@gnu.org>
176 Andrew Pinski <pinskia@physics.uc.edu>
177
178 PR target/19491
179 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
180 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
181
182 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
183
184 * config/rs6000/rtems.h: Update copyright.
185
186 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
187
188 PR target/19548
189 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
190 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
191 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
192
193 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
194
195 PR c/18809
196 * c-typeck.c (convert_arguments): Check for error_mark_node.
197
198 2005-01-21 Ian Lance Taylor <ian@airs.com>
199
200 PR tree-optimization/13000
201 * tree-inline.c: Include "tree-flow.h".
202 (expand_call_inline): If warn_return_type, warn if non-void inline
203 function falls through.
204 * tree-cfg.c (execute_warn_function_return): Don't warn about
205 control reaching end if TREE_NO_WARNING is set. Set
206 TREE_NO_WARNING.
207 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
208 has been lowered.
209 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
210 branch if we don't need one.
211 * c-typeck.c: Include "tree-flow.h"
212 (c_finish_bc_stmt): Don't add a goto if the current statement
213 list doesn't fall through to the current point.
214
215 2005-01-21 Roger Sayle <roger@eyesopen.com>
216
217 PR rtl-optimization/576
218 * real.c (real_arithmetic): Change return type from void to bool
219 to return an indication that the result may be inexact.
220 * real.h (real_arithmeric): Update prototype.
221 * fold-const.c (const_binop): Don't constant fold floating
222 point expressions when the user specifies -frounding-math and
223 the result may depend upon the run-time rounding mode.
224 (fold_convert_const_real_from_real): Clean-up.
225 (fold_initializer): Ignore flag_rounding_math for initializers.
226 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
227 constant fold FP operations with flag_rounding_math if the
228 result may depend upon the run-time rounding mode.
229
230 2005-01-21 Tom Tromey <tromey@redhat.com>
231
232 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
233
234 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
235
236 * tree-cfg.c: Fix comment typos.
237
238 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
239
240 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
241 around the call to rest_of_handle_branch_target_load_optimize.
242
243 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
244
245 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
246 (sparc64-*-openbsd*): Likewise.
247 (sparclite-*-elf*): Include tm-dwarf2.h.
248 (sparc86x-*-elf*): Likewise.
249 (sparc64-*-elf*): Likewise.
250 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
251 (DBX_DEBUGGING_INFO): Likewise.
252 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
253 (PREFERRED_DEBUGGING_TYPE): Likewise.
254 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
255 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
256 (PREFERRED_DEBUGGING_TYPE): Likewise.
257 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
258 (PREFERRED_DEBUGGING_TYPE): Likewise.
259 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
260
261 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
262
263 PR target/18701
264 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
265
266 2005-01-20 Paul Brook <paul@codesourcery.com>
267
268 * doc/rtl.texi: Document value extension requirements for CONST_INT.
269
270 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
271
272 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
273 label is first in a sequence of labels.
274
275 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
276
277 2005-01-20 Janis Johnson <janis187@us.ibm.com>
278 Giovanni Bajo <giovannibajo@gcc.gnu.org>
279
280 * doc/sourcebuild.texi (Test Directives): New.
281
282 2005-01-20 Roger Sayle <roger@eyesopen.com>
283
284 * real.c (real_floor): Don't leave the result uninitialized when
285 mode is VOIDMode, but return the unrounded intermediate value.
286 (real_ceil): Likewise.
287
288 2005-01-20 Paul Brook <paul@codesourcery.com>
289
290 * config/arm/arm.md (insv): Use gen_int_mode.
291
292 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
293
294 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
295 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
296 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
297 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
298 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
299
300 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
301
302 Fix PR debug/19124
303 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
304 fbreg, so we have to assume we can't.
305 (loc_descriptor_from_tree_1): Ditto.
306 (containing_function_has_frame_base): New function.
307 (add_location_or_const_value_attribute): Use it.
308 Also try to generate a frame_base from a single element location
309 list.
310
311 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
312
313 PR tree-optimization/15349
314 * timevar.def (TV_TREE_MERGE_PHI): New.
315 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
316 PHI_WANTED.
317 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
318 calls to tree_forwarder_block_p.
319 (remove_forwarder_block_with_phi, merge_phi_nodes,
320 gate_merge_phi, pass_merge_phi): New.
321 * tree-optimize.c (init_tree_optimization_passes): Add
322 pass_merge_phi.
323 * tree-pass.h: Add an extern for pass_merge_phi;
324
325 2005-01-20 Richard Henderson <rth@redhat.com>
326
327 PR target/19418
328 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
329 (_mm_castps_pd, _mm_castps_si128): New.
330 (_mm_castsi128_ps, _mm_castsi128_pd): New.
331
332 2005-01-20 Richard Henderson <rth@redhat.com>
333
334 PR target/19530
335 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
336 __builtin_ia32_vec_init_v2si.
337 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
338 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
339 (ix86_init_mmx_sse_builtins): Create it.
340 (ix86_expand_builtin): Expand it.
341 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
342 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
343 (vec_extractv2si_0, vec_extractv2si_1): New.
344
345 2005-01-20 Richard Henderson <rth@redhat.com>
346
347 PR target/16533
348 * config/i386/i386.c (ix86_expand_push): New.
349 * config/i386/mmx.md (push<MMXMODE>1): New.
350 * config/i386/sse.md (push<SSEMODE>1): New.
351 * config/i386/i386-protos.h: Update.
352
353 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
354
355 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
356 copyright.
357
358 2005-01-20 Richard Henderson <rth@redhat.com>
359
360 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
361 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
362
363 2005-01-19 Richard Henderson <rth@redhat.com>
364
365 PR target/19350
366 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
367 to V4SFmode in SSE1 fallback load path.
368
369 2005-01-19 Richard Henderson <rth@redhat.com>
370
371 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
372 in QImode expansion to ix86_expand_vector_set.
373 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
374
375 2005-01-19 Richard Henderson <rth@redhat.com>
376
377 PR target/19511
378 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
379 subclass of the input class.
380 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
381 Always true for cross-SSE1 classes. Rationalize conditionals.
382 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
383 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
384 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
385 (movdi_2): Add MMX/SSE zeros.
386 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
387 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
388 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
389 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
390 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
391 (zero_extendsidi2_rex64_1): Remove.
392 (MOV0 peephole): Check GENERAL_REG_P.
393
394 2005-01-19 Richard Henderson <rth@redhat.com>
395
396 PR target/19427
397 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
398 shufps elements.
399 (ix86_expand_vector_extract): Likewise.
400
401 2005-01-19 Richard Henderson <rth@redhat.com>
402
403 PR middle-end/19304
404 * expr.c (emit_move_change_mode): New argument force; use
405 simplify_gen_subreg if true.
406 (emit_move_via_alt_mode): Merge into ...
407 (emit_move_via_integer): ... here.
408 (emit_move_ccmode): Use emit_move_change_mode directly.
409
410 2005-01-19 Richard Henderson <rth@redhat.com>
411
412 PR target/19518
413 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
414 (alpha_preferred_reload_class): Handle CONST_VECTOR.
415 (alpha_emit_set_const_1): Add no_output parameter; don't emit
416 rtl if true.
417 (alpha_emit_set_const): Likewise. Make static.
418 (alpha_emit_set_long_const): Make static.
419 (alpha_extract_integer): Split out from alpha_expand_mov.
420 (alpha_split_const_mov): Likewise.
421 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
422 (alpha_legitimate_constant_p): New.
423 * config/alpha/alpha-protos.h: Update.
424 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
425 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
426 * config/alpha/alpha.md (movsi): Add n alternative.
427 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
428 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
429 (splitters for all of the above): Use alpha_split_const_mov.
430 * config/alpha/predicates.md (non_add_const_operand): New.
431 (non_zero_const_operand): New.
432 (input_operand): Use alpha_legitimate_constant_p after reload.
433
434 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
435
436 PR tree-optimization/19038
437 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
438 (add_candidate): Add ivs with increment in latch only if
439 allow_ip_end_pos_p is true.
440 (determine_iv_cost): Use empty_block_p.
441
442 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
443
444 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
445 (compute_dominance_frontiers): Ditto.
446
447 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
448
449 PR target/19529
450 * config/sh/t-rtems: New.
451 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
452
453 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
454
455 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
456 the offset of the selected field.
457
458 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
459
460 * tree-cfg.c (remove_forwarder_block): Fix the check to
461 prevent a nonlocal label from appearing in the middle of a
462 basic block.
463
464 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
465
466 PR rtl-optimization/19462
467 * reorg.c (find_end_label): Create return insn only if
468 current_function_epilogue_delay_list is empty.
469
470 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
471
472 * doc/passes.texi: Remove paragraph mentioning new-ra.
473
474 2005-01-19 Jakub Jelinek <jakub@redhat.com>
475
476 PR rtl-optimization/15139
477 * combine.c: Include params.h.
478 (count_rtxs): New function.
479 (record_value_for_reg): If replace_rtx would replace at least
480 2 occurrences of REG in VALUE and TEM is really large, replace REG with
481 (clobber (const_int 0)) instead of TEM.
482 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
483 * params.h (MAX_LAST_VALUE_RTL): New.
484 * Makefile.in (combine.o): Depend on $(PARAMS_H).
485 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
486
487 PR c/17297
488 * c-typeck.c (digest_init): Only call build_vector if all constructor
489 elements are *_CST nodes.
490 * gimplify.c (gimplify_init_constructor): Likewise.
491
492 PR middle-end/19164
493 * c-typeck.c (digest_init): Only call build_vector if inside_init
494 is a CONSTRUCTOR.
495
496 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
497
498 * toplev.c (init_asm_output): Remove dead #ifdef.
499
500 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
501
502 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
503
504 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
505
506 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
507 accessing DECL_FUNCTION_CODE.
508 * dojump.c (do_jump): Likewise.
509 * gimplify.c (gimplify_call_expr): Likewise.
510 * predict.c (expr_expected_value): Likewise.
511 (strip_builtin_expect): Likewise.
512 * tree-inline.c (estimate_num_insns_1): Likewise.
513 * tree-ssa-loop-im.c (stmt_cost): Likewise
514 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
515 (tree_expr_nonnegative_p): Likewise.
516
517 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
518
519 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
520 variant of the load_pcrel_sym pattern.
521 * config/sparc/sparc.md (P macro): Move to the top.
522 (load_pcrel_sym): Macroize using P.
523 (save_register_window): Likewise.
524
525 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
526
527 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
528 ("sordered"): Same.
529
530 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
531
532 PR C/19472
533 * c-typeck.c (build_asm_expr): Strip nops off
534 input memory operands.
535
536 2005-01-18 David Edelsohn <edelsohn@gnu.org>
537
538 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
539 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
540 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
541 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
542
543 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
544
545 PR target/19379
546 * config/i386/i386.c (override_options): If the 80387 is disabled,
547 then do not return FP values using FP registers.
548
549 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
550
551 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
552 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
553 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
554 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
555 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
556 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
557 output.h, postreload-gcse.c, postreload.c, recog.c,
558 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
559 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
560 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
561 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
562 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
563 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
564 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
565 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
566
567 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
568 config/alpha/alpha.c, config/arm/vfp.md,
569 config/i386/emmintrin.h, config/i386/i386-modes.def,
570 config/i386/i386-protos.h, config/i386/i386.h,
571 config/i386/pmmintrin.h, config/i386/ppro.md,
572 config/i386/predicates.md, config/i386/xmmintrin.h,
573 config/i860/i860.c, config/ia64/ia64-modes.def,
574 config/ia64/ia64-protos.h, config/ia64/ia64.h,
575 config/ia64/ia64.md, config/ia64/itanium1.md,
576 config/ia64/itanium2.md, config/ia64/predicates.md,
577 config/iq2000/iq2000.h, config/mips/linux64.h,
578 config/rs6000/aix41.h, config/rs6000/aix43.h,
579 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
580 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
581 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
582 config/sparc/linux64.h, config/sparc/litecoff.h,
583 config/sparc/sp64-elf.h, config/sparc/sparc.c,
584 config/sparc/sparc.h, config/sparc/sparc.md,
585 config/sparc/sysv4-only.h: Update copyright.
586
587 2005-01-18 Richard Henderson <rth@redhat.com>
588
589 PR target/19496
590 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
591
592 2005-01-18 Marc Espie <espie@openbsd.org>
593 * config/i386/openbsdelf.h: Typo.
594
595 2005-01-18 Richard Henderson <rth@redhat.com>
596
597 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
598 special case for sse.
599 * config/i386/predicates.md (sse_comparison_operator): Likewise.
600
601 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
602
603 * tree-inline.c (estimate_num_insns_1): Added cases for
604 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
605
606 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
607
608 PR rtl-optimization/19296
609 * combine.c (simplify_comparison): Rewrite the condition under
610 which a non-paradoxical SUBREG of a PLUS can be lifted when
611 compared against a constant.
612
613 2005-01-18 Andi Kleen <ak@muc.de>
614
615 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
616 * c.opt (-Wpointer-sign): Add.
617 * doc/invoke.texi: (-Wpointer-sign): Add.
618
619 2005-01-18 Uros Bizjak <uros@kss-loka.si>
620
621 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
622 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
623 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
624 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
625 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
626 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
627 for TARGET_MIX_SSE_I387.
628 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
629 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
630 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
631 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
632 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
633 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
634 TARGET_MIX_SSE_I387.
635 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
636 from expander.
637
638 2005-01-18 Uros Bizjak <uros@kss-loka.si>
639
640 PR target/19424
641 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
642 Add movaps alternative for xmm reg->reg move.
643
644 2005-01-17 Jeff Law <law@redhat.com>
645
646 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
647 at the end of the main DOM loop rather than just before DOM exits.
648
649 2005-01-17 Diego Novillo <dnovillo@redhat.com>
650
651 PR tree-optimization/19121
652 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
653 adding aliases to a name tag, also add them to the pointer's
654 type tag.
655 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
656 sensitive alias info at all. Only check that the two pointers
657 have compatible pointed-to sets.
658 * tree-ssa.c (verify_name_tags): Verify that the alias set of
659 a pointer's type tag is a superset of the alias set of the
660 pointer's name tag.
661
662 2005-01-17 James E Wilson <wilson@specifixinc.com>
663
664 PR target/19357
665 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
666 comment to document why.
667
668 2005-01-17 Richard Henderson <rth@redhat.com>
669
670 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
671 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
672 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
673 sse2_vmsminv2df3_finite): New.
674 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
675 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
676 Force op1 into register.
677
678 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
679
680 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
681 bubblestrap from always rebuilding build directory.
682
683 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
684
685 * config/s390/s390.md ("*clc"): Remove incorrect '='.
686 ("*cmpmem_short"): Likewise.
687
688 2005-01-17 Steven Bosscher <stevenb@suse.de>
689
690 * basic-block.h: Document BB_* flags.
691 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
692 use an sbitmap instead.
693 * sched-rgn.c (compute_trg_info): Likewise.
694
695 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
696
697 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
698 redundant target_cpu_default and extra_parts lines. Use the default
699 "from-abi" ISA.
700 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
701 (SUBTARGET_EXTRA_SPECS): Delete.
702 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
703 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
704 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
705 and "n32" for -mabi=n32.
706
707 2005-01-17 Ian Lance Taylor <ian@airs.com>
708
709 PR c/5675
710 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
711 fold constant variables into initial values.
712
713 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
714
715 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
716
717 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
718 through the statements backward.
719
720 2005-01-17 Ian Lance Taylor <ian@airs.com>
721
722 PR middle-end/13127:
723 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
724 a variable set to the return value of the inlined function.
725
726 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
727
728 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
729 when modes are tieable.
730
731 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
732
733 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
734 of pthread_create to find out if threads are enabled.
735 * gthr-posix95.h (__gthread_active_p): Likewise.
736
737 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
738
739 * common.opt (-fnew-ra): Remove.
740 * ra*.*: Remove.
741 * toplev.h (flag_new_regalloc): Remove.
742 * Makefile.in (ra*.*): Don't mention.
743 * passes.c (rest_of_handle_new_regalloc): Remove.
744 (rest_of_handle_combine, rest_of_compilation): Always consider
745 flag_new_regalloc as false.
746 * doc/invoke.texi: Don't document -fnew-ra.
747
748 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
749
750 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
751 last parameter to reg_scan.
752 * loop.c (loop_optimize): Likewise.
753 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
754 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
755 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
756 rest_of_handle_gcse, rest_of_handle_loop_optimize,
757 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
758 * regclass.c (reg_scan): Likewise, for the declaration.
759 * rtl.h (reg_scan): Likewise, for the prototype.
760
761 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
762
763 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
764 mark_dfs_back_edges.
765
766 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
767
768 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
769 (compute_avail): Uses don't go in tmp_gen.
770
771 2005-01-16 Steven Bosscher <stevenb@suse.de>
772
773 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
774 loop to look for a free slot in a page entry.
775
776 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
777
778 PR target/16304
779 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
780 * toplev.c (compile_file): Call process_pending_assemble_output_defs
781 just before targetm.asm_out.file_end.
782 * tree.h (process_pending_assemble_output_defs): Declare.
783 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
784 New functions.
785 (assemble_alias): Defer generation of assembly code for defines when
786 TARGET_DEFERRED_OUTPUT_DEFS is true.
787 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
788 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
789 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
790
791 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
792
793 PR target/19336
794 * pa.c (pa_scalar_mode_supported_p): New function.
795 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
796 * pa.h (MIN_UNITS_PER_WORD): Add comment.
797
798 * pa-protos.h (prefetch_operand): Delete.
799 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
800 * pa.c (prefetch_operand): Delete.
801 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
802 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
803 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
804 and prefetch_nocc_operand.
805 * pa.md (prefetch): Rework to avoid reload problems handling short
806 displacements when a cache control completer needs to be provided.
807 (prefetch_32, prefetch_64): Delete.
808 (prefetch_cc, prefetch_nocc): New patterns.
809
810 2005-01-15 David Edelsohn <edelsohn@gnu.org>
811
812 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
813
814 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
815
816 PR ada/19388
817 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
818 exceeds maximum alignment for global common data.
819 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
820 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
821
822 2004-01-15 Roger Sayle <roger@eyesopen.com>
823
824 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
825
826 2004-01-15 Roger Sayle <roger@eyesopen.com>
827
828 * harg-reg-set.h (reg_class_names): Prototype global array.
829 * regclass.c (reg_class_names): Declare here and initialize to
830 REG_CLASS_NAMES.
831 (dump_regclass): Remove local declaration of reg_class_names.
832 (regclass): Likewise.
833 * cfg.c (dump_flow_info): Likewise.
834 * ra-debug.c (reg_class_names): Likewise.
835 * regrename.c (reg_class_names): Likewise.
836 * reload.c (reg_class_names): Likewise.
837 * reload1.c (spill_failure): Likewise.
838 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
839
840 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
841
842 * config/s390/s390.md ("reload_outti"): Remove predicate for
843 output operand. Abort if operand is not a MEM.
844 ("reload_outdi", "reload_outdf"): Likewise.
845
846 2005-01-15 Marc Espie <espie@openbsd.org>
847
848 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
849 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
850 * config/openbsd.h: Fix C++ includes for native configurations.
851 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
852 Add trampoline support.
853 * config/i386/openbsdelf.h: New.
854
855 2005-01-15 Marc Espie <espie@openbsd.org>
856
857 * collect2.c (main): Explicitly parse -dynamic-linker option.
858
859 2005-01-15 Jakub Jelinek <jakub@redhat.com>
860
861 PR tree-optimization/19060
862 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
863 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
864 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
865 and handle extract_range_from_cond returning false.
866 * fold-const.c (fold): Optimize comparisons with min/max even for
867 width > HOST_BITS_PER_WIDE_INT.
868
869 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
870
871 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
872 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
873 Remove little endian multilib variants.
874 Add mips32 multilib variant.
875
876 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
877
878 * explow.c (copy_all_reg, stabilize): Remove.
879 * expr.h: Remove the corresponding prototypes.
880
881 * rtlanal.c (regs_set_between_p): Remove.
882 * rtl.h: Remove the corresponding prototype.
883
884 2005-01-14 David Edelsohn <edelsohn@gnu.org>
885
886 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
887 to rs6000_nonimmediate_operand.
888 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
889 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
890 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
891 rs6000_nonimmediate_operand.
892 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
893 rs6000_nonimmediate_operand.
894
895 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
896
897 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
898
899 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
900
901 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
902 on e500v2.
903 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
904 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
905
906 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
907 (rs6k_nonimmediate_operand): New.
908 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
909 correctly.
910 (legitimate_lo_sum_address_p): Same.
911 (rs6000_legitimize_address): Same.
912 (rs6000_legitimize_reload_address): Same.
913 (rs6000_legitimate_address): Same.
914 (spe_build_register_parallel): Pass DF and DC modes in a DI
915 register.
916
917 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
918 to rs6k_nonimmediate_operand.
919
920 * config/rs6000/spe.md ("*frob_df_di"): New.
921 ("*frob_di_df"): New.
922 ("*frob_di_df_2"): New.
923 ("*mov_sidf_e500_subreg0"): New.
924 ("*mov_sidf_e500_subreg4"): New.
925 ("*movdf_e500_double"): Change predicate to
926 rs6k_nonimmediate_operand.
927
928 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
929
930 * postreload.c (move2add_note_store): Only call
931 trunc_int_for_mode on scalar integers.
932
933 2005-01-14 Steven Bosscher <stevenb@suse.de>
934
935 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
936 replace BB_VISITED uses.
937 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
938 (propagate_necessity): Check the bitmap instead of BB_VISITED.
939 (tree_dce_done): Free visited_control_parents.
940 (perform_tree_ssa_dce): Allocate and clear it.
941 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
942 (compute_antic): Iterate from here using a DFS. Use an sbitmap
943 instead of BB_VISITED.
944
945 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
946
947 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
948 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
949 Remove unused prototypes.
950
951 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
952
953 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
954 64-bit register usage.
955 (spe_func_has_64bit_regs_p): Add FIXME note.
956
957 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
958
959 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
960 flag_finite_math_only with flag_unsafe_math_optimizations.
961
962 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
963
964 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
965 end-of-stack check.
966 (__tpf_eh_return): Copy TPF private stack area from the module
967 boundary stack frame. Add check for when module addresses are
968 equal, but no stub address is found.
969
970 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
971
972 PR target/7525
973 * arm.h (struct machine_function): Add call_via field.
974 (thumb_call_via_label): Declare.
975 * arm.c (thumb_call_via_label): New variable.
976 (thumb_call_reg_needed): New variable.
977 (arm_output_function_epilogue): For Thumb code, output any per-function
978 call-indirect trampolines.
979 (thumb_call_via_reg): New function.
980 (arm_file_end): New function.
981 (TARGET_ASM_FILE_END): Call arm_file_end.
982 (aof_file_end): Likewise.
983 * arm-protos.h (thumb_call_via_reg): Declare.
984 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
985 thumb_call_via_reg in normal case.
986
987 2005-01-14 Jakub Jelinek <jakub@redhat.com>
988
989 PR middle-end/19084
990 PR rtl-optimization/19348
991 * recog.c (peephole2_optimize): Do global life update if some peephole
992 decides it doesn't need at least one of its inputs and that change
993 influences liveness at the start of the basic block.
994
995 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
996 arguments instead of 1.
997
998 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
999
1000 PR middle-end/18820
1001 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
1002 zero for nested functions needing a static chain or functions
1003 with a non-constant address.
1004
1005 2005-01-13 Roger Sayle <roger@eyesopen.com>
1006
1007 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
1008 (and (sign_extend X) C) into (zero_extend (and X C)).
1009
1010 2005-01-13 David O'Brien <obrien@FreeBSD.org>
1011
1012 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
1013
1014 2005-01-13 Richard Henderson <rth@redhat.com>
1015
1016 PR target/19009
1017 PR target/19250
1018 PR target/19252
1019 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
1020 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
1021 not just TARGET_SSE.
1022 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
1023 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
1024 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
1025 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
1026 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
1027 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
1028 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
1029 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
1030 (movdicc_c_rex64): Rename with '*'.
1031 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
1032 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
1033 (movsfcc_1_387): Rename from movsfcc_1.
1034 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
1035 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
1036 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
1037 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
1038 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
1039 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
1040 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
1041 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
1042 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
1043 sse_movdfcc_const0_4): Remove.
1044 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
1045 recognize min/max early. Update for changed sse cmove patterns.
1046 (ix86_split_sse_movcc): New.
1047 * config/i386/i386-protos.h: Update.
1048
1049 2005-01-13 Steven Bosscher <stevenb@suse.de>
1050
1051 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
1052 (fix_stmt_v_may_defs): Likewise.
1053
1054 2005-01-13 Richard Henderson <rth@redhat.com>
1055
1056 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
1057 for converting the mask.
1058
1059 2005-01-13 David Edelsohn <edelsohn@gnu.org>
1060
1061 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
1062 definition to 600.
1063
1064 2005-01-13 Richard Henderson <rth@redhat.com>
1065
1066 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
1067 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
1068 IX86_BUILTIN_MOVDQ2Q): Remove.
1069 (IX86_BUILTIN_VEC_EXT_V4SI): New.
1070 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
1071 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
1072 shuffling.
1073 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
1074 (sse2_pextrw): Fix immediate constraint.
1075 (sse2_loadq, sse2_loadq_rex64): Remove.
1076 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
1077 Use __builtin_ia32_vec_ext_<size>.
1078 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
1079
1080 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
1081
1082 * function.c (assign_parm_setup_block): Look inside original
1083 entry_parm when inspecting PARALLEL.
1084
1085 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
1086 Joel Sherrill <joel@oarcorp.com>
1087
1088 PR target/19399
1089 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
1090 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
1091 rtems_gxx_recursive_mutex_init.
1092 (__gthread_recursive_mutex_lock): New function.
1093 (__gthread_recursive_mutex_trylock): Likewise.
1094 (__gthread_recursive_mutex_unlock): Likewise.
1095
1096 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
1097
1098 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
1099
1100 2005-01-13 Jan Beulich <jbeulich@novell.com>
1101
1102 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
1103 (ashrti3_internal): Indicate output is early clobber. Generate result
1104 into output rather than first input. Use move for low word of output
1105 if shift count is exactly 64.
1106 (lshrti3_internal): Likewise.
1107
1108 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
1109
1110 PR target/18329
1111 PR target/18330
1112 * reload1.c (delete_output_reload): Don't delete an output reload
1113 if the pseudo lives longer than a single basic block. Adjust and
1114 improve wording of comment.
1115
1116 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
1117
1118 PR target/19334
1119 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
1120 of TYPE_SIZE where we mean the number of bytes.
1121
1122 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
1123
1124 * function.c (assign_parm_setup_block): Relax condition on
1125 multi-register optimization.
1126
1127 2005-01-12 Nick Clifton <nickc@redhat.com>
1128
1129 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
1130 an "in_delay_slot" attribute of "no" to prevent them being used in
1131 delay slots. This is forbidden because they might generate
1132 exceptions.
1133
1134 2005-01-12 Alan Modra <amodra@bigpond.net.au>
1135
1136 PR target/19389
1137 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
1138 with r->Y and Y->r.
1139
1140 2005-01-12 Nick Clifton <nickc@redhat.com>
1141
1142 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
1143 passed on to GAS) but do not define, as GAS no longer supports or
1144 needs the -m2000 option.
1145
1146 2005-01-11 Roger Sayle <roger@eyesopen.com>
1147
1148 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
1149 type as args of unprototyped builtins aren't automatically promoted.
1150 (fold_builtin_abs): Likewise.
1151
1152 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1153
1154 * Makefile.in: Set a `build-warn' variable.
1155
1156 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
1157
1158 PR tree-optimization/17949
1159 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
1160 (find_interesting_uses_address): Use it.
1161
1162 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
1163
1164 * regrename.c (kill_value): Handle subreg's that won't simplify.
1165
1166 2005-01-11 Richard Henderson <rth@redhat.com>
1167
1168 PR target/13366
1169 * config/i386/i386.h (enum ix86_builtins): Move ...
1170 * config/i386/i386.c: ... here.
1171 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
1172 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
1173 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
1174 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
1175 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
1176 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
1177 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
1178 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
1179 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
1180 IX86_BUILTIN_LOADDDUP): Remove.
1181 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
1182 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
1183 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
1184 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
1185 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
1186 (ix86_init_builtins): Make static.
1187 (ix86_init_mmx_sse_builtins): Update for changed builtins.
1188 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
1189 if all the modes match. Otherwise, fake it.
1190 (get_element_number, ix86_expand_vec_init_builtin,
1191 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
1192 (ix86_expand_builtin): Make static. Update for changed builtins.
1193 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
1194 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
1195 (ix86_expand_vector_init_duplicate): New.
1196 (ix86_expand_vector_init_low_nonzero): New.
1197 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
1198 Split out from ix86_expand_vector_init; handle integer modes.
1199 (ix86_expand_vector_init): Use them.
1200 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
1201 * config/i386/i386-protos.h: Update.
1202 * config/i386/predicates.md (reg_or_0_operand): New.
1203 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
1204 (movv2sf_internal): Likewise. And a splitter to match them all.
1205 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
1206 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
1207 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
1208 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
1209 (mmx_pinsrw): Fix operand ordering.
1210 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
1211 rather than sse_loadss expander.
1212 (movv2df splitter): Similarly.
1213 (sse_loadss, sse_loadlss): Remove.
1214 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
1215 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
1216 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
1217 (sse3_movddup): Rename with '*'.
1218 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
1219 (sse2_loadsd): Remove.
1220 (vec_dupv2df_sse3): Rename from sse3_loadddup.
1221 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
1222 (sse2_pinsrw): Fix argument ordering.
1223 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
1224 (sse2_stored): Remove 'r' destination.
1225 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
1226 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
1227 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
1228 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
1229 vec_extractv16qi, vec_initv16qi): New.
1230
1231 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
1232 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
1233 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
1234 constructor form.
1235 (_mm_load_pd, _mm_store_pd): Use plain dereference.
1236 (_mm_load_si128, _mm_store_si128): Likewise.
1237 (_mm_load1_pd): Use _mm_set1_pd.
1238 (_mm_load_sd): Use _mm_set_sd.
1239 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
1240 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
1241 (_mm_set_epi64): Use _mm_set_epi64x.
1242 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
1243 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
1244 _mm_setr_epi8): Use _mm_set_foo form.
1245 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
1246 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
1247 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
1248 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
1249 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
1250 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
1251 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
1252 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
1253 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
1254 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
1255 (_mm_movedup_pd): Use _mm_shuffle_pd.
1256 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
1257 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
1258 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
1259 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
1260 Use _mm_setzero_ps.
1261 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
1262 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
1263 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
1264 (_mm_store_ps): Use raw dereference.
1265 (_mm_store1_ps): Use _mm_storeu_ps.
1266 (_mm_storer_ps): Use _mm_store_ps.
1267 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
1268 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
1269
1270 2005-01-11 Stan Shebs <shebs@apple.com>
1271
1272 * config/rs6000/rs6000.c (machopic_output_stub): Issue
1273 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
1274
1275 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1276
1277 PR target/18761
1278 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
1279 Skip all DECLs except for FIELD_DECLs.
1280
1281 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
1282
1283 * config/s390/s390.c (override_options): Return error if
1284 -mbackchain, -mpacked-stack and -mhard-float are used together.
1285 (s390_va_start): Remove the backchain && packed-stack special case.
1286 (s390_gimplify_va_arg): Likewise.
1287 * doc/invoke.texi: Remove the ABI incompatibility note.
1288
1289 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
1290
1291 * config/s390/s390.c (struct s390_frame_layout): Remove
1292 save_backchain_p.
1293 (s390_frame_info, s390_emit_prologue): Replace occurrences of
1294 save_backchain_p with TARGET_BACKCHAIN.
1295
1296 2005-01-11 Alan Modra <amodra@bigpond.net.au>
1297
1298 PR target/18916
1299 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
1300 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
1301 * function.c (locate_and_pad_parm): Set new field.
1302 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
1303 Tweak where_pad test to include "none". Always set mem align for
1304 stack_parm.
1305 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
1306 not sufficient for type.
1307 (assign_parm_setup_block): If stack_parm is zero on entry, always
1308 make a new stack local. Block move old stack parm if necessary
1309 to new aligned stack local.
1310 (assign_parm_setup_stack): Use a block move to handle
1311 potentially misaligned entry_parm.
1312 (assign_parms_unsplit_complex): Specify required alignment when
1313 creating stack local.
1314 * calls.c (compute_argument_addresses): Override alignment of stack
1315 arg calculated from its type with the alignment given by
1316 FUNCTION_ARG_BOUNDARY.
1317 (store_one_arg): Likewise.
1318
1319 2005-01-11 Jan Beulich <jbeulich@novell.com>
1320
1321 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
1322 Change respective itanium_class attribute to ialu.
1323 (shladdp4_internal): New.
1324 * config/ia64/predicates.md (shladd_log2_operand): New.
1325
1326 2005-01-11 Richard Henderson <rth@redhat.com>
1327
1328 * expr.c (store_constructor): Use rtvec_alloc instead of
1329 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
1330
1331 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
1332
1333 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
1334
1335 2005-01-11 Alan Modra <amodra@bigpond.net.au>
1336
1337 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
1338 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
1339 (TARGET_RWRELOC): Define.
1340 (ia64_rwreloc_section_type_flags): Delete.
1341 (ia64_section_type_flags): New function.
1342 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
1343 (TARGET_RWRELOC): Define.
1344
1345 2005-01-10 David Mosberger <davidm@hpl.hp.com>
1346
1347 PR target/18987
1348 * config/ia64/ia64.c (process_set): For alloc insn, only call
1349 process_epilogue is !frame_pointer_needed.
1350
1351 2005-01-10 Roger Sayle <roger@eyesopen.com>
1352
1353 PR c++/19355
1354 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
1355 unary operator and can't be treated as a binary/comparison operator.
1356
1357 2005-01-10 Richard Henderson <rth@redhat.com>
1358
1359 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
1360 (ix86_return_in_memory): Likewise.
1361 (function_arg_advance): Likewise. Mirror structure in function_arg
1362 for choosing register to advance.
1363
1364 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
1365
1366 * tree-vectorizer.c, tree.def: Fix comment typos.
1367
1368 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
1369
1370 * config/s390/s390.c (struct processor_costs): 4 new fields:
1371 ddbr, ddr, debr, der.
1372 (s390_rtx_costs): More precise handling of divide instructions.
1373
1374 2005-01-10 David Edelsohn <edelsohn@gnu.org>
1375
1376 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
1377
1378 2005-01-10 Jan Beulich <jbeulich@novell.com>
1379
1380 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
1381 names resulting from -ffunction-sections/-fdata-sections and linkonce
1382 ones.
1383 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
1384 based on the section name. Rearrange the section name comparison logic
1385 slightly so that each section name is compared against at most once.
1386
1387 2005-01-10 Ben Elliston <bje@au.ibm.com>
1388
1389 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
1390 targets for which -fPIC reduces limitations on the GOT size.
1391
1392 2005-01-09 Falk Hueffner <falk@debian.org>
1393
1394 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
1395 X/C1 cmpop C2.
1396
1397 2005-01-09 David Edelsohn <edelsohn@gnu.org>
1398
1399 PR target/18720
1400 * collect2.c (main): Set aixrtl_flag for -brtl option.
1401 (resolve_lib_name): Search for .so file extension before .a
1402 if aixrtl_flag set.
1403
1404 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
1405
1406 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
1407 (vect_analyze_data_refs_alignment): Add dump prints.
1408
1409 2005-01-09 Ira Rosen <irar@il.ibm.com>
1410
1411 * tree-vectorizer.c (vect_analyze_offset_expr): Use
1412 expr_invariant_in_loop_p.
1413 Initialize outputs first thing in the function.
1414 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
1415 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
1416 (vect_analyze_pointer_ref_access): Check that the initial condition of
1417 the access function is loop invariant.
1418
1419 2005-01-09 Richard Henderson <rth@redhat.com>
1420
1421 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
1422 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
1423 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
1424 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
1425 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
1426 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
1427 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
1428 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
1429 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
1430 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1431 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1432 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
1433 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
1434 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
1435 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
1436 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
1437 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1438 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1439 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
1440 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
1441 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
1442 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
1443 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
1444 mmx_ prefix.
1445 (mmx_clrdi, pavgusb): Remove.
1446 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
1447 with leading sse_ prefix.
1448 * config/i386/sse.md: Receive them.
1449 * config/i386/mmx.md: New file.
1450 (MMXMODE12, MMXMODE24, mmxvecsize): New.
1451 (subrv2sf3): Turn into expander for normal subtraction.
1452 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
1453 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
1454 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
1455 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
1456 commutative; use ix86_binary_operator_ok.
1457 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
1458 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
1459 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
1460 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
1461 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
1462 Macroize from existing patterns; use ix86_binary_operator_ok.
1463 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
1464 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
1465 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
1466 with vec_select+vec_concat.
1467 (mmx_pshufw, mmx_pshufw_1): Likewise.
1468 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
1469 (mmx_uavgv4hi3): Model correctly.
1470 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
1471 _mm_xor_si64): Remove casts.
1472
1473 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
1474
1475 PR tree-optimization/19224
1476 * tree-scalar-evolution.c (get_instantiated_value,
1477 set_instantiated_value): New functions.
1478 (instantiate_parameters_1): Cache the results.
1479 (instantiate_parameters, resolve_mixers): Initialize and free
1480 the cache.
1481
1482 2005-01-08 David Edelsohn <edelsohn@gnu.org>
1483
1484 * config/i386/i386.md (addhi_4): Correct reference in comment.
1485 (addqi_4): Same.
1486
1487 2005-01-08 Richard Henderson <rth@redhat.com>
1488
1489 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
1490 (_mm_cvtsi128_si64x): Likewise.
1491 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
1492 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
1493 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
1494 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
1495 * config/i386/i386-protos.h: Update.
1496 * config/i386/i386.c (print_operand): Add 'H'.
1497 (ix86_fixup_binary_operands): Split out from ...
1498 (ix86_expand_binary_operator): ... here.
1499 (ix86_fixup_binary_operands_no_copy): New.
1500 (ix86_expand_fp_absneg_operator): Handle vector mode results.
1501 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
1502 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
1503 (safe_vector_operand): Use CONST0_RTX.
1504 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
1505 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
1506 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
1507 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
1508 special cases.
1509 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
1510 (IX86_BUILTIN_CMPNGESS): New.
1511 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
1512 (attr type): Add sselog1.
1513 (attr unit, attr memory): Handle it.
1514 (movti, movti_internal, movti_rex64): Move near other integer moves.
1515 (movtf, movtf_internal): Move near other fp moves.
1516 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
1517 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
1518 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
1519 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
1520 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
1521 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
1522 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
1523 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
1524 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
1525 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
1526 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
1527 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
1528 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
1529 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
1530 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
1531 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
1532 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
1533 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
1534 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
1535 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
1536 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
1537 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
1538 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
1539 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
1540 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
1541 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
1542 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
1543 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
1544 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
1545 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
1546 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
1547 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
1548 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
1549 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
1550 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
1551 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
1552 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
1553 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
1554 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
1555 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
1556 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
1557 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
1558 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
1559 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
1560 same time.
1561 (SSEPUSH, push<SSEPUSH>): Remove.
1562 (MMXPUSH, push<MMXPUSH>): Remove.
1563 (sse_movaps, sse_movaps_1, sse_movups): Remove.
1564 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
1565 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
1566 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
1567 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
1568 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
1569 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
1570 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
1571 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
1572 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
1573 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
1574 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
1575 (ppro_sse_log_V4SF): Handle sselog1.
1576 * config/i386/predicates.md (const_0_to_1_operand): New.
1577 (const_0_to_255_mul_8_operand): New.
1578 (const_1_to_31_operand): Rename from const_int_1_31_operand.
1579 (const_2_to_3_operand, const_4_to_7_operand): New.
1580 * config/i386/sse.md: New file.
1581 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
1582 (sse_movups): Rename from sse_movups_1.
1583 (sse_loadlss): Rename from sse_loadss_1.
1584 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
1585 from the name.
1586 (negv4sf2): Use ix86_expand_fp_absneg_operator.
1587 (absv4sf2, negv2df, absv2df): New.
1588 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
1589 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
1590 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
1591 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
1592 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
1593 (sse3_addsubv4sf3): Model correctly.
1594 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
1595 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
1596 (sse_movhlps): Model with vec_select+vec_concat.
1597 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
1598 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
1599 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
1600 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
1601 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
1602 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
1603 sse2_pshufhw_1): Likewise.
1604 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
1605 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
1606 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
1607 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
1608 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
1609 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
1610 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
1611 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
1612 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
1613 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
1614 sminv8hi3): Mark commutative
1615 operands. Use ix86_binary_operator_ok.
1616 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
1617 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
1618 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
1619 sse2_punpcklqdq): Allow operand2 in memory.
1620 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
1621 sse2_movsd): Add memory alternatives.
1622 (sse_storelps): Turn expander into an insn; split after reload.
1623 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
1624 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
1625
1626 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1627
1628 * configure.ac (DWARF-2 debug_line): Use objdump.
1629 * configure: Regenerate.
1630
1631 2005-01-08 Jeff Law <law@redhat.com>
1632 Diego Novillo <dnovillo@redhat.com>
1633
1634 PR tree-optimization/18241
1635 * tree-nrv.c (tree_nrv): Ignore volatile return values.
1636 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
1637 statements with volatile operands.
1638 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
1639 operands after marking a statement with has_volatile_ops.
1640
1641 2005-01-08 Roger Sayle <roger@eyesopen.com>
1642
1643 * tree.c (int_fits_type_p): Always honor integer constant
1644 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
1645
1646 2005-01-08 Roger Sayle <roger@eyesopen.com>
1647
1648 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
1649 the latent bug in rtl_delete_block has been resolved.
1650
1651 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
1652
1653 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
1654 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
1655
1656 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
1657
1658 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
1659 library as @multilib_dir@/$(SHLIB_SONAME).
1660
1661 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1662
1663 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
1664 * configure: Regenerate.
1665
1666 2005-01-07 Jakub Jelinek <jakub@redhat.com>
1667
1668 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
1669 TYPE_MODE.
1670
1671 2005-01-07 David Edelsohn <edelsohn@gnu.org>
1672
1673 PR target/13674
1674 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1675 Convert non-word aligned offset address using ld/std into
1676 indirect address.
1677
1678 2005-01-07 Richard Henderson <rth@redhat.com>
1679
1680 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
1681
1682 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
1683
1684 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
1685
1686 2005-01-07 Jakub Jelinek <jakub@redhat.com>
1687
1688 PR tree-optimization/19283
1689 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
1690 is not shorter than the original type.
1691
1692 PR rtl-optimization/19012
1693 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
1694
1695 PR rtl-optimization/18861
1696 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
1697 (FULL_STATE): Define.
1698 (mark_tablejump_edge): New function.
1699 (purge_dead_tablejump_edges): New function.
1700 (find_bb_boundaries): Use it.
1701
1702 PR tree-optimization/18828
1703 * builtins.c (expand_builtin_next_arg): Remove argument and all
1704 the argument checking.
1705 (expand_builtin): Adjust caller.
1706 (expand_builtin_va_start): Likewise. Remove error for too many
1707 arguments.
1708 (fold_builtin_next_arg): Issue error for too many arguments.
1709 After checking arguments, replace them with magic arguments that
1710 prevent further checking of the args.
1711
1712 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1713
1714 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
1715
1716 2005-01-06 Roger Sayle <roger@eyesopen.com>
1717
1718 PR target/6077
1719 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
1720 and %{.S:...} (and their negative variants) to test whether the
1721 input file is assembler or pre-processed-assembler independent of
1722 the actual filename extension.
1723
1724 2005-01-06 Roger Sayle <roger@eyesopen.com>
1725
1726 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
1727 of sign or zero extended values.
1728
1729 2005-01-06 Geoffrey Keating <geoffk@apple.com>
1730
1731 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
1732 for IBM long double format correctly.
1733
1734 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
1735
1736 Fix PR tree-optimization/18792
1737
1738 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
1739 to first_loop_depth, and use loop depth instead of loop number.
1740 (build_classic_dir_vector): Ditto.
1741 (compute_data_dependences_for_loop): Use depth, not loop number.
1742 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
1743 number. Pass in loops, instead of loop numbers.
1744 (gather_interchange_stats): Ditto.
1745 (linear_transform_loops): Ditto.
1746
1747 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
1748
1749 PR rtl-opt/13299
1750 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
1751 biv_fits_mode_p, extension_within_bounds_p): New functions.
1752 (check_ext_dependent_givs): Use them.
1753
1754 2005-01-06 Roger Sayle <roger@eyesopen.com>
1755
1756 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
1757 more than one barrier, in which case we should delete them all.
1758
1759 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
1760
1761 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
1762
1763 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
1764
1765 Fix PR middle-end/19286
1766 Fix PR debug/19267
1767 * dwarf2out.c (gen_subprogram_die): If we've already tried to
1768 output this subprogram, simply ignore this attempt to do it again.
1769 (add_abstract_origin_attribute): Don't abort trying to add the abstract
1770 origin attribute if it's not possible.
1771 (gen_block_die): Don't ignore subblocks of "unused" blocks.
1772 (decls_for_scope): Ditto.
1773 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
1774 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
1775
1776 2005-01-05 Richard Henderson <rth@redhat.com>
1777
1778 PR target/11327
1779 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
1780 (bdesc_2arg): Use it.
1781 (ix86_expand_binop_builtin): Force operands into registers
1782 when optimizing.
1783 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
1784 ix86_expand_sse_compare, ix86_expand_sse_comi,
1785 ix86_expand_builtin): Likewise.
1786
1787 2005-01-05 Richard Henderson <rth@redhat.com>
1788
1789 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
1790 and VEC_SELECT.
1791 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
1792 (mulv4hi3): Set itanium_class mmmul.
1793 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
1794 (fpack): Rename from fpack_sfsf.
1795
1796 2005-01-05 Richard Henderson <rth@redhat.com>
1797
1798 PR rtl-opt/10692
1799 * reload1.c (do_input_reload): Restrict the optimization deleteing
1800 a previous output reload to RELOAD_FOR_INPUT.
1801
1802 2005-01-05 Steven Bosscher <stevenb@suse.de>
1803
1804 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
1805 comment that we fall through after case.
1806 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
1807 (distribute_links): Likewise.
1808 * cse.c (cse_insn): Likewise.
1809 * cselib.c (cselib_invalidate_mem): Likewise.
1810 * df.c: Update comments at the top of the file.
1811 (read_modify_subreg_p): Update comments here too.
1812 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
1813 * flow.c (mark_set_1): Likewise.
1814 (mark_used_regs): Likewise.
1815 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1816 (canon_list_insert): Likewise.
1817 (mark_set): Likewise.
1818 (try_replace_reg): Likewise.
1819 (store_killed_in_insn): Likewise.
1820 * loop.c (count_one_set): Likewise.
1821 (basic_induction_var): Likewise.
1822 * postreload-gcse.c (find_mem_conflicts): Likewise.
1823 * postreload.c (reload_combine_note_store): Likewise.
1824 (move2add_note_store): Likewise.
1825 * reload.c (find_equiv_reg): Likewise.
1826 (mark_referenced_resources): Likewise.
1827 * rtlanal.c (set_noop_p): Likewise.
1828 (note_stores): Likewise.
1829 (note_uses): Likewise.
1830 * sched-deps.c (sched_analyze_1): Likewise.
1831 * sched-rgn.c (check_live_1): Likewise.
1832 (update_live_1): Likewise.
1833 * config/i860/i860.c: Likewise.
1834
1835 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
1836 an lvalue.
1837 (ZERO_EXTRACT): Mention that this one can be an lvalue.
1838
1839 * doc/rtl.texi: Update documentation for bit-fields and SET.
1840
1841 2005-01-05 Roger Sayle <roger@eyesopen.com>
1842
1843 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
1844
1845 2005-01-05 Jan Hubicka <jh@suse.cz>
1846 Richard Henderson <rth@redhat.com>
1847
1848 PR target/18910
1849 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
1850 with an offset.
1851
1852 2005-01-05 Richard Henderson <rth@redhat.com>
1853
1854 PR target/12902
1855 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
1856 (sse_shufps): Change operand 3 to const_int_operand.
1857 (sse2_storelps): Fix typo in template.
1858 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
1859 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
1860 (ix86_expand_builtin): Likewise.
1861
1862 2005-01-05 Julian Brown <julian@codesourcery.com>
1863
1864 * config/arm/arm.c (arm_return_in_memory): Treat complex types
1865 as aggregates for AAPCS ABIs.
1866
1867 2005-01-05 Stan Shebs <shebs@apple.com>
1868
1869 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
1870 Mach-O getters if ppc64.
1871 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
1872 size argument.
1873 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1874 signed four-byte field for global code case.
1875 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
1876
1877 2005-01-05 Roger Sayle <roger@eyesopen.com>
1878
1879 PR middle-end/19100
1880 * c-common.c: Include real.h.
1881 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
1882 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
1883 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
1884 * Makefile.in (c-common.o): Update dependencies.
1885
1886 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
1887
1888 * c-parse.in (asm_string): Add trailing semicolon.
1889
1890 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
1891
1892 * c-parse.in (asm_string): New. Don't allow wide strings in
1893 'asm'.
1894 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
1895 asm_string instead of STRING.
1896
1897 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
1898
1899 * c-typeck.c (constructor_no_implicit): Remove.
1900 (set_designator, process_init_element): Don't check
1901 constructor_no_implicit.
1902
1903 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
1904 Kaz Kojima <kkojima@gcc.gnu.org>
1905
1906 PR target/16482
1907 * lcm.c (create_pre_exit): New.
1908 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
1909 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
1910
1911 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
1912
1913 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
1914 -msoft-float in target_float_switch.
1915 * arm.c (arm_override_options): Fix processing of target_float_switch.
1916
1917 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
1918
1919 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
1920 preferencing.
1921
1922 2004-01-05 Uros Bizjak <uros@kss-loka.si>
1923
1924 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
1925 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
1926
1927 2005-01-04 Roger Sayle <roger@eyesopen.com>
1928
1929 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
1930 if deleting the then-block allows the test-block to fallthru to the
1931 else-block.
1932
1933 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
1934
1935 PR c/19152
1936 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
1937 after the full declaration if the are in two different TUs.
1938
1939 2005-01-04 Richard Henderson <rth@redhat.com>
1940
1941 PR tree-opt/19158
1942 * tree-sra.c (generate_one_element_init): Just
1943 call gimplify_and_add.
1944 (generate_element_init): Record the
1945 new referenced variables and mark them for renaming
1946 and split out to ...
1947 (generate_element_init_1): This.
1948 (scalarize_init): Don't call push_gimplify_context/
1949 pop_gimplify_context.
1950
1951 2005-01-04 Geoffrey Keating <geoffk@apple.com>
1952
1953 * toplev.c (get_src_pwd): Handle failure of getpwd().
1954
1955 2005-01-04 Roger Sayle <roger@eyesopen.com>
1956
1957 * fold-const.c (fold_single_bit_test): Delete unreachable handling
1958 of TRUTH_NOT_EXPR.
1959 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
1960 all the cases handled by it are inverted by invert_truthvalue.
1961
1962 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1963
1964 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
1965 (save_register_windowsi): Likewise.
1966
1967 2005-01-04 Richard Henderson <rth@redhat.com>
1968
1969 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
1970
1971 2005-01-04 Uros Bizjak <uros@kss-loka.si>
1972
1973 PR middle-end/17767
1974 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
1975 any simplifications of vector mode comparison operators.
1976 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
1977
1978 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
1979 Devang Patel <dpatel@apple.com>
1980
1981 PR tree-optimization/18308
1982 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
1983 the operands before creating a new expression.
1984 * dojump.c (do_jump): Make drop_through_label available
1985 for all cases. Add expansion of COND_EXPR.
1986
1987 2005-01-04 Ira Rosen <irar@il.ibm.com>
1988
1989 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
1990 INTEGER_CST instead of TREE_CONSTANT.
1991 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
1992 instead of TREE_CONSTANT.
1993 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
1994 instead of TREE_CONSTANT.
1995
1996 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1997
1998 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
1999
2000 2005-01-04 Uros Bizjak <uros@kss-loka.si>
2001
2002 PR target/19240
2003 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
2004 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
2005
2006 2005-01-03 Richard Henderson <rth@redhat.com>
2007
2008 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
2009 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
2010 fold_convert_const_real_from_real): Split out from ...
2011 (fold_convert_const): ... here.
2012
2013 2005-01-03 Richard Henderson <rth@redhat.com>
2014
2015 PR target/19235
2016 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
2017 (mov<MMXMODEI>_internal): Likewise.
2018 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
2019 Add V2SF case; use it for SSE1; don't use TI.
2020 (movdf_integer): Likewise.
2021 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
2022
2023 2005-01-03 Ira Rosen <irar@il.ibm.com>
2024
2025 * tree-vectorizer.c (vect_strip_conversions): New function.
2026 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
2027 check for binary class.
2028
2029 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
2030
2031 Fix PR debug/17924
2032 Fix PR debug/19191
2033 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
2034 is a decl.
2035 * gimple-low.c (mark_blocks_with_used_vars): New function.
2036 (mark_blocks_with_used_subblocks): Ditto.
2037 (mark_used_blocks): Ditto.
2038 (pass_mark_used_blocks): New pass.
2039 * tree-inline.c: Include debug.h.
2040 (expand_call_inline): Call outlining_inline_function here.
2041 * tree-optimize.c (init_tree_optimization_passes): Add
2042 pass_mark_used_blocks.
2043 * tree-pass.h (pass_mark_used_blocks): New.
2044 * Makefile.in (tree-inline.o): Add debug.h dependency.
2045
2046 2005-01-03 Geoffrey Keating <geoffk@apple.com>
2047
2048 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
2049 VAR_DECLs to have weak_import attribute.
2050
2051 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
2052 'struct ucontext'.
2053
2054 2004-01-03 Steven Bosscher <stevenb@suse.de>
2055
2056 * passes.c (rest_of_compilation): Don't run regmove if only
2057 flag_expensive_optimizations, require flag_regmove instead.
2058
2059 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2060
2061 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
2062 register "sparc".
2063 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
2064 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2065 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
2066 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2067
2068 2005-01-03 Richard Henderson <rth@redhat.com>
2069
2070 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
2071 (ia64_const_ok_for_letter_p): New.
2072 (ia64_const_double_ok_for_letter_p): New.
2073 (ia64_extra_constraint): New.
2074 (ia64_expand_vecint_compare): New.
2075 (ia64_expand_vcondu_v2si): New.
2076 (ia64_expand_vecint_cmov): New.
2077 (ia64_expand_vecint_minmax): New.
2078 (ia64_print_operand): Add 'v'.
2079 (ia64_preferred_reload_class): New.
2080 (ia64_vector_mode_supported_p): New.
2081 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
2082 (PREFERRED_RELOAD_CLASS): Move to function.
2083 (CONST_OK_FOR_LETTER_P): Move to function.
2084 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
2085 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
2086 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
2087 (EXTRA_CONSTRAINT): Move to function.
2088 * config/ia64/ia64.md: Include vect.md.
2089 (itanium_class): Add mmalua.
2090 (type): Handle it.
2091 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
2092 (1b_mmalua): New.
2093 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
2094 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
2095 CONST0_RTX.
2096 (const_int_2bit_operand): New.
2097 (fr_reg_or_0_operand): New.
2098 * config/ia64/ia64-modes.def: Add vector modes.
2099 * config/ia64/ia64-protos.h: Update.
2100 * config/ia64/vect.md: New file.
2101
2102 2005-01-03 Richard Henderson <rth@redhat.com>
2103
2104 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
2105
2106 2005-01-03 Uros Bizjak <uros@kss-loka.si>
2107
2108 PR target/19236
2109 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
2110 to SFmode.
2111 (log1pdf2): Change mode of operands[0,1] to DFmode.
2112
2113 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2114
2115 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
2116 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
2117 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
2118 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
2119 SPARC_RELAXED_ORDERING.
2120
2121 2005-01-03 Richard Henderson <rth@redhat.com>
2122 Uros Bizjak <uros@kss-loka.si>
2123
2124 PR target/14631
2125 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
2126 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
2127 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
2128 handling.
2129 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
2130 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
2131 const_pow2_1_to_128_operand): New predicates.
2132
2133 2005-01-02 Greg McGary <greg@mcgary.org>
2134
2135 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
2136 anonymous decls.
2137 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
2138 object. [ptr_type]: Remove unused variable.
2139 Remember nearest addressable array-element or record-component
2140 when checking bitfield components. Tolerate empty BIND_EXPR.
2141
2142 2005-01-01 Richard Henderson <rth@redhat.com>
2143
2144 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
2145 that don't narrow the value. Fail for other conversions.
2146
2147 2005-01-01 Richard Henderson <rth@redhat.com>
2148
2149 PR c/19031
2150 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
2151 * c-lang.c (finish_file): Don't do it here.
2152 * objc/objc-act.c (objc_finish_file): Likewise.
2153
2154 * cgraph.c (decl_assembler_name_equal): New.
2155 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
2156 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
2157 * cgraph.h (struct cgraph_varpool_node): Add next.
2158 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
2159 * varasm.c (assemble_alias): Mark the target as needed.
2160
2161 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
2162
2163 PR middle-end/19221
2164 * function.c (get_arg_pointer_save_area): Use entry_of_function
2165 instead of get_insns.
2166
2167 2005-01-01 Roger Sayle <roger@eyesopen.com>
2168 Andrew Pinski <pinskia@physics.uc.edu>
2169 James E. Wilson <wilson@specifixinc.com>
2170
2171 PR rtl-optimization/12092
2172 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
2173 is zero.
2174
2175 2005-01-01 Roger Sayle <roger@eyesopen.com>
2176 Olivier Hainque <hainque@act-europe.fr>
2177
2178 * tree.c (int_fits_type_p): A narrower type always fits in a
2179 wider one, except for negative values into unsigned types.
2180
2181 2005-01-01 Roger Sayle <roger@eyesopen.com>
2182
2183 * tree.c (int_fits_type_p): Compare the result of force_fit_type
2184 with the original constant rather than require TREE_OVERFLOW.
2185
2186 2005-01-01 Steven Bosscher <stevenb@suse.de>
2187
2188 PR middle-end/17544
2189 * c-decl.c (finish_function): If compiling C99, annotate the
2190 compiler generated return with the current file name and line 0.
2191 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
2192 the source line is greater than 0.
2193 (remove_bb): Likewise.
2194
2195 See ChangeLog.12 for earlier changes.