c-opts.c, [...]: Update copyright.
[gcc.git] / gcc / ChangeLog
1 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
2
3 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
5 Update copyright.
6
7 2005-01-24 Jakub Jelinek <jakub@redhat.com>
8
9 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
10 expand_builtin_printf, expand_builtin_fprintf,
11 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
12 checking against POINTER_TYPE.
13 (validate_arglist): Handle POINTER_TYPE code by checking
14 POINTER_TYPE_P.
15
16 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
17
18 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
19 init_rtlanal): New.
20 (for_each_rtx): Call for_each_rtx_1.
21 * rtl.h (init_rtlanal): Declare.
22 * toplev.c (backend_init): Call init_rtlanal.
23
24 2005-01-24 Jakub Jelinek <jakub@redhat.com>
25
26 * flow.c (propagate_one_insn): Formatting.
27
28 PR middle-end/19551
29 * flow.c (libcall_dead_p): Be more conservative if unsure.
30 If there are any instructions between insn and call, see if they are
31 all dead before saying the libcall is dead.
32
33 2005-01-24 Uros Bizjak <uros@kss-loka.si>
34
35 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
36 operand constraint for operand 0.
37
38 2005-01-23 Richard Henderson <rth@redhat.com>
39
40 PR 19486
41 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
42 edges leading to join block.
43
44 2005-01-23 Roger Sayle <roger@eyesopen.com>
45
46 * expmed.c (expand_mult_highpart): Make static. Change type of
47 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
48 (expand_divmod): Updates calls to expand_mult_highpart by using
49 gen_int_mode to pass a CONST_INT rtx.
50 * rtl.h (expand_mult_highpart): Remove prototype.
51
52 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
53
54 * flow.c (regset_bytes, regset_size): Remove.
55
56 * cfganal.c: Fix a reference to Harvey's paper.
57
58 2005-01-23 Steven Bosscher <stevenb@suse.de>
59
60 PR rtl-optimization/19464
61 * tree-optimize.c (init_tree_optimization_passes): Add one more
62 copyrename pass just before out-of-ssa.
63
64 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
65
66 PR bootstrap/18058
67 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
68 * ggc-none.c (ggc_free): Define.
69
70 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
71
72 * cse.c (max_reg, max_insn_uid): Remove.
73 (cse_main): Don't access max_reg or max_insn_uid.
74
75 * c-common.c (explicit_flag_signed_bitfields,
76 lang_statement_code_p, lang_expand_function_end): Remove.
77 * c-common.h: Remove the corresponding declarations.
78 * c-opts.c (c_common_handle_option): Remove all write access
79 to explicit_flag_signed_bitfields.
80
81 * cgraph.c (cgraph_varpool_n_nodes): Remove.
82 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
83 * cgraph.h: Remove the corresponding declaration.
84
85 * gcse.c (null_pointer_info): Remove.
86
87 2005-01-23 Roger Sayle <roger@eyesopen.com>
88 Eric Botcazou <ebotcazou@libertysurf.fr>
89
90 * combine.c (simplify_logical): Only simplify logical expressions
91 of the form ior(and(x,y),z) by the inverse distributive law if the
92 result is cheaper than the original.
93
94 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
95
96 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
97 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
98 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
99 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
100 config/freebsd-spec.h, config/arm/arm.h,
101 config/h8300/h8300.md, config/i386/i386.md,
102 config/i386/predicates.md, config/i386/sse.md,
103 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
104 config/vax/vax.md: Fix comment typos. Follow spelling
105 conventions.
106
107 2005-01-23 Steven Bosscher <stevenb@suse.de>
108
109 * gengtype.c (walk_type): Produce `not equal to' compares for loop
110 tests, instead of `less than'.
111
112 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
113
114 * function.c (assign_parm_setup_block): When creating a new stack slot
115 for a parameter, get its alignment from the parameter's DECL_ALIGN
116 rather than the type's TYPE_ALIGN. Make sure that the parameter
117 is at least word aligned.
118
119 2005-01-22 Roger Sayle <roger@eyesopen.com>
120
121 PR middle-end/19378
122 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
123
124 2005-01-22 Richard Henderson <rth@redhat.com>
125
126 PR target/19506
127 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
128 in both compare operands.
129 (movdfcc_1_sse_max): Likewise.
130 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
131 (movdfcc_1_sse): Likewise.
132 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
133 scratch register as needed.
134
135 2005-01-22 Richard Henderson <rth@redhat.com>
136
137 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
138
139 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
140
141 2005-01-22 Richard Henderson <rth@redhat.com>
142
143 * genopinit.c (optabs): Use smin/smax for floating point too.
144 * doc/md.texi: Update to match. Clarify that floating point
145 results are undefined for +0/-0 and NaN.
146 * doc/rtl.texi: Likewise.
147 * rtl.def (SMIN, SMAX): Likewise
148 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
149
150 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
151 leading 's' to the name.
152 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
153 smaxxf3, sminxf3): Likewise.
154 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
155 Likewise.
156
157 2005-01-22 Paul Brook <paul@codesourcery.com>
158
159 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
160
161 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
162
163 * config/s390/s390.c (struct processor_costs): New fields
164 dlgr, dlr, dr, dsgfr, dsgr.
165 (z900_cost, z990_cost): Values for new fields.
166 (s390_rtx_costs): New cases MEM und COMPARE in switch
167 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
168 DIV, MOD, UDIV, UMOD.
169
170 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
171
172 * config/s390/s390.md ("doloop_si64"): Reload input value directly
173 into the register being decremented.
174 ("doloop_si31", "doloop_di"): Likewise.
175 ("*doloop_si_long"): Adapt pattern.
176
177 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
178
179 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
180 access registers.
181 (CLASS_MAX_NREGS): Likewise.
182
183 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
184
185 * doc/tree-ssa.texi (Statement Operands): Add example for new
186 must-def macro. Note deprecation of old operands interface.
187
188 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
189
190 PR tree-optimization/19484
191 * tree-cfg.c (remove_fallthru_edge): New function.
192 (cleanup_control_flow): Remove fallthru edges from calls that are
193 now known not to return.
194
195 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
196
197 Fix PR tree-optimization/19038
198 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
199 copies with loop variant ones.
200
201 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
202
203 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
204 config/alpha/alpha-protos.h, config/alpha/alpha.h,
205 config/alpha/alpha.md, config/alpha/predicates.md,
206 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
207 config/sparc/sol2.h: Update copyright.
208
209 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
210 first label to see if it is a nonlocal label.
211
212 2005-01-22 David Edelsohn <edelsohn@gnu.org>
213 Andrew Pinski <pinskia@physics.uc.edu>
214
215 PR target/19491
216 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
217 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
218
219 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
220
221 * config/rs6000/rtems.h: Update copyright.
222
223 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
224
225 PR target/19548
226 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
227 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
228 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
229
230 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
231
232 PR c/18809
233 * c-typeck.c (convert_arguments): Check for error_mark_node.
234
235 2005-01-21 Ian Lance Taylor <ian@airs.com>
236
237 PR tree-optimization/13000
238 * tree-inline.c: Include "tree-flow.h".
239 (expand_call_inline): If warn_return_type, warn if non-void inline
240 function falls through.
241 * tree-cfg.c (execute_warn_function_return): Don't warn about
242 control reaching end if TREE_NO_WARNING is set. Set
243 TREE_NO_WARNING.
244 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
245 has been lowered.
246 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
247 branch if we don't need one.
248 * c-typeck.c: Include "tree-flow.h"
249 (c_finish_bc_stmt): Don't add a goto if the current statement
250 list doesn't fall through to the current point.
251
252 2005-01-21 Roger Sayle <roger@eyesopen.com>
253
254 PR rtl-optimization/576
255 * real.c (real_arithmetic): Change return type from void to bool
256 to return an indication that the result may be inexact.
257 * real.h (real_arithmeric): Update prototype.
258 * fold-const.c (const_binop): Don't constant fold floating
259 point expressions when the user specifies -frounding-math and
260 the result may depend upon the run-time rounding mode.
261 (fold_convert_const_real_from_real): Clean-up.
262 (fold_initializer): Ignore flag_rounding_math for initializers.
263 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
264 constant fold FP operations with flag_rounding_math if the
265 result may depend upon the run-time rounding mode.
266
267 2005-01-21 Tom Tromey <tromey@redhat.com>
268
269 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
270
271 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
272
273 * tree-cfg.c: Fix comment typos.
274
275 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
276
277 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
278 around the call to rest_of_handle_branch_target_load_optimize.
279
280 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
281
282 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
283 (sparc64-*-openbsd*): Likewise.
284 (sparclite-*-elf*): Include tm-dwarf2.h.
285 (sparc86x-*-elf*): Likewise.
286 (sparc64-*-elf*): Likewise.
287 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
288 (DBX_DEBUGGING_INFO): Likewise.
289 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
290 (PREFERRED_DEBUGGING_TYPE): Likewise.
291 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
292 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
293 (PREFERRED_DEBUGGING_TYPE): Likewise.
294 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
295 (PREFERRED_DEBUGGING_TYPE): Likewise.
296 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
297
298 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
299
300 PR target/18701
301 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
302
303 2005-01-20 Paul Brook <paul@codesourcery.com>
304
305 * doc/rtl.texi: Document value extension requirements for CONST_INT.
306
307 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
308
309 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
310 label is first in a sequence of labels.
311
312 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
313
314 2005-01-20 Janis Johnson <janis187@us.ibm.com>
315 Giovanni Bajo <giovannibajo@gcc.gnu.org>
316
317 * doc/sourcebuild.texi (Test Directives): New.
318
319 2005-01-20 Roger Sayle <roger@eyesopen.com>
320
321 * real.c (real_floor): Don't leave the result uninitialized when
322 mode is VOIDMode, but return the unrounded intermediate value.
323 (real_ceil): Likewise.
324
325 2005-01-20 Paul Brook <paul@codesourcery.com>
326
327 * config/arm/arm.md (insv): Use gen_int_mode.
328
329 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
330
331 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
332 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
333 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
334 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
335 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
336
337 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
338
339 Fix PR debug/19124
340 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
341 fbreg, so we have to assume we can't.
342 (loc_descriptor_from_tree_1): Ditto.
343 (containing_function_has_frame_base): New function.
344 (add_location_or_const_value_attribute): Use it.
345 Also try to generate a frame_base from a single element location
346 list.
347
348 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
349
350 PR tree-optimization/15349
351 * timevar.def (TV_TREE_MERGE_PHI): New.
352 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
353 PHI_WANTED.
354 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
355 calls to tree_forwarder_block_p.
356 (remove_forwarder_block_with_phi, merge_phi_nodes,
357 gate_merge_phi, pass_merge_phi): New.
358 * tree-optimize.c (init_tree_optimization_passes): Add
359 pass_merge_phi.
360 * tree-pass.h: Add an extern for pass_merge_phi;
361
362 2005-01-20 Richard Henderson <rth@redhat.com>
363
364 PR target/19418
365 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
366 (_mm_castps_pd, _mm_castps_si128): New.
367 (_mm_castsi128_ps, _mm_castsi128_pd): New.
368
369 2005-01-20 Richard Henderson <rth@redhat.com>
370
371 PR target/19530
372 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
373 __builtin_ia32_vec_init_v2si.
374 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
375 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
376 (ix86_init_mmx_sse_builtins): Create it.
377 (ix86_expand_builtin): Expand it.
378 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
379 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
380 (vec_extractv2si_0, vec_extractv2si_1): New.
381
382 2005-01-20 Richard Henderson <rth@redhat.com>
383
384 PR target/16533
385 * config/i386/i386.c (ix86_expand_push): New.
386 * config/i386/mmx.md (push<MMXMODE>1): New.
387 * config/i386/sse.md (push<SSEMODE>1): New.
388 * config/i386/i386-protos.h: Update.
389
390 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
391
392 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
393 copyright.
394
395 2005-01-20 Richard Henderson <rth@redhat.com>
396
397 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
398 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
399
400 2005-01-19 Richard Henderson <rth@redhat.com>
401
402 PR target/19350
403 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
404 to V4SFmode in SSE1 fallback load path.
405
406 2005-01-19 Richard Henderson <rth@redhat.com>
407
408 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
409 in QImode expansion to ix86_expand_vector_set.
410 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
411
412 2005-01-19 Richard Henderson <rth@redhat.com>
413
414 PR target/19511
415 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
416 subclass of the input class.
417 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
418 Always true for cross-SSE1 classes. Rationalize conditionals.
419 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
420 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
421 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
422 (movdi_2): Add MMX/SSE zeros.
423 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
424 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
425 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
426 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
427 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
428 (zero_extendsidi2_rex64_1): Remove.
429 (MOV0 peephole): Check GENERAL_REG_P.
430
431 2005-01-19 Richard Henderson <rth@redhat.com>
432
433 PR target/19427
434 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
435 shufps elements.
436 (ix86_expand_vector_extract): Likewise.
437
438 2005-01-19 Richard Henderson <rth@redhat.com>
439
440 PR middle-end/19304
441 * expr.c (emit_move_change_mode): New argument force; use
442 simplify_gen_subreg if true.
443 (emit_move_via_alt_mode): Merge into ...
444 (emit_move_via_integer): ... here.
445 (emit_move_ccmode): Use emit_move_change_mode directly.
446
447 2005-01-19 Richard Henderson <rth@redhat.com>
448
449 PR target/19518
450 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
451 (alpha_preferred_reload_class): Handle CONST_VECTOR.
452 (alpha_emit_set_const_1): Add no_output parameter; don't emit
453 rtl if true.
454 (alpha_emit_set_const): Likewise. Make static.
455 (alpha_emit_set_long_const): Make static.
456 (alpha_extract_integer): Split out from alpha_expand_mov.
457 (alpha_split_const_mov): Likewise.
458 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
459 (alpha_legitimate_constant_p): New.
460 * config/alpha/alpha-protos.h: Update.
461 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
462 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
463 * config/alpha/alpha.md (movsi): Add n alternative.
464 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
465 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
466 (splitters for all of the above): Use alpha_split_const_mov.
467 * config/alpha/predicates.md (non_add_const_operand): New.
468 (non_zero_const_operand): New.
469 (input_operand): Use alpha_legitimate_constant_p after reload.
470
471 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
472
473 PR tree-optimization/19038
474 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
475 (add_candidate): Add ivs with increment in latch only if
476 allow_ip_end_pos_p is true.
477 (determine_iv_cost): Use empty_block_p.
478
479 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
480
481 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
482 (compute_dominance_frontiers): Ditto.
483
484 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
485
486 PR target/19529
487 * config/sh/t-rtems: New.
488 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
489
490 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
491
492 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
493 the offset of the selected field.
494
495 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
496
497 * tree-cfg.c (remove_forwarder_block): Fix the check to
498 prevent a nonlocal label from appearing in the middle of a
499 basic block.
500
501 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
502
503 PR rtl-optimization/19462
504 * reorg.c (find_end_label): Create return insn only if
505 current_function_epilogue_delay_list is empty.
506
507 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
508
509 * doc/passes.texi: Remove paragraph mentioning new-ra.
510
511 2005-01-19 Jakub Jelinek <jakub@redhat.com>
512
513 PR rtl-optimization/15139
514 * combine.c: Include params.h.
515 (count_rtxs): New function.
516 (record_value_for_reg): If replace_rtx would replace at least
517 2 occurrences of REG in VALUE and TEM is really large, replace REG with
518 (clobber (const_int 0)) instead of TEM.
519 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
520 * params.h (MAX_LAST_VALUE_RTL): New.
521 * Makefile.in (combine.o): Depend on $(PARAMS_H).
522 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
523
524 PR c/17297
525 * c-typeck.c (digest_init): Only call build_vector if all constructor
526 elements are *_CST nodes.
527 * gimplify.c (gimplify_init_constructor): Likewise.
528
529 PR middle-end/19164
530 * c-typeck.c (digest_init): Only call build_vector if inside_init
531 is a CONSTRUCTOR.
532
533 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
534
535 * toplev.c (init_asm_output): Remove dead #ifdef.
536
537 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
538
539 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
540
541 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
542
543 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
544 accessing DECL_FUNCTION_CODE.
545 * dojump.c (do_jump): Likewise.
546 * gimplify.c (gimplify_call_expr): Likewise.
547 * predict.c (expr_expected_value): Likewise.
548 (strip_builtin_expect): Likewise.
549 * tree-inline.c (estimate_num_insns_1): Likewise.
550 * tree-ssa-loop-im.c (stmt_cost): Likewise
551 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
552 (tree_expr_nonnegative_p): Likewise.
553
554 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
555
556 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
557 variant of the load_pcrel_sym pattern.
558 * config/sparc/sparc.md (P macro): Move to the top.
559 (load_pcrel_sym): Macroize using P.
560 (save_register_window): Likewise.
561
562 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
563
564 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
565 ("sordered"): Same.
566
567 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
568
569 PR C/19472
570 * c-typeck.c (build_asm_expr): Strip nops off
571 input memory operands.
572
573 2005-01-18 David Edelsohn <edelsohn@gnu.org>
574
575 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
576 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
577 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
578 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
579
580 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
581
582 PR target/19379
583 * config/i386/i386.c (override_options): If the 80387 is disabled,
584 then do not return FP values using FP registers.
585
586 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
587
588 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
589 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
590 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
591 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
592 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
593 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
594 output.h, postreload-gcse.c, postreload.c, recog.c,
595 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
596 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
597 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
598 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
599 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
600 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
601 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
602 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
603
604 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
605 config/alpha/alpha.c, config/arm/vfp.md,
606 config/i386/emmintrin.h, config/i386/i386-modes.def,
607 config/i386/i386-protos.h, config/i386/i386.h,
608 config/i386/pmmintrin.h, config/i386/ppro.md,
609 config/i386/predicates.md, config/i386/xmmintrin.h,
610 config/i860/i860.c, config/ia64/ia64-modes.def,
611 config/ia64/ia64-protos.h, config/ia64/ia64.h,
612 config/ia64/ia64.md, config/ia64/itanium1.md,
613 config/ia64/itanium2.md, config/ia64/predicates.md,
614 config/iq2000/iq2000.h, config/mips/linux64.h,
615 config/rs6000/aix41.h, config/rs6000/aix43.h,
616 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
617 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
618 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
619 config/sparc/linux64.h, config/sparc/litecoff.h,
620 config/sparc/sp64-elf.h, config/sparc/sparc.c,
621 config/sparc/sparc.h, config/sparc/sparc.md,
622 config/sparc/sysv4-only.h: Update copyright.
623
624 2005-01-18 Richard Henderson <rth@redhat.com>
625
626 PR target/19496
627 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
628
629 2005-01-18 Marc Espie <espie@openbsd.org>
630 * config/i386/openbsdelf.h: Typo.
631
632 2005-01-18 Richard Henderson <rth@redhat.com>
633
634 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
635 special case for sse.
636 * config/i386/predicates.md (sse_comparison_operator): Likewise.
637
638 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
639
640 * tree-inline.c (estimate_num_insns_1): Added cases for
641 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
642
643 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
644
645 PR rtl-optimization/19296
646 * combine.c (simplify_comparison): Rewrite the condition under
647 which a non-paradoxical SUBREG of a PLUS can be lifted when
648 compared against a constant.
649
650 2005-01-18 Andi Kleen <ak@muc.de>
651
652 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
653 * c.opt (-Wpointer-sign): Add.
654 * doc/invoke.texi: (-Wpointer-sign): Add.
655
656 2005-01-18 Uros Bizjak <uros@kss-loka.si>
657
658 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
659 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
660 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
661 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
662 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
663 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
664 for TARGET_MIX_SSE_I387.
665 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
666 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
667 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
668 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
669 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
670 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
671 TARGET_MIX_SSE_I387.
672 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
673 from expander.
674
675 2005-01-18 Uros Bizjak <uros@kss-loka.si>
676
677 PR target/19424
678 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
679 Add movaps alternative for xmm reg->reg move.
680
681 2005-01-17 Jeff Law <law@redhat.com>
682
683 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
684 at the end of the main DOM loop rather than just before DOM exits.
685
686 2005-01-17 Diego Novillo <dnovillo@redhat.com>
687
688 PR tree-optimization/19121
689 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
690 adding aliases to a name tag, also add them to the pointer's
691 type tag.
692 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
693 sensitive alias info at all. Only check that the two pointers
694 have compatible pointed-to sets.
695 * tree-ssa.c (verify_name_tags): Verify that the alias set of
696 a pointer's type tag is a superset of the alias set of the
697 pointer's name tag.
698
699 2005-01-17 James E Wilson <wilson@specifixinc.com>
700
701 PR target/19357
702 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
703 comment to document why.
704
705 2005-01-17 Richard Henderson <rth@redhat.com>
706
707 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
708 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
709 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
710 sse2_vmsminv2df3_finite): New.
711 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
712 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
713 Force op1 into register.
714
715 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
716
717 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
718 bubblestrap from always rebuilding build directory.
719
720 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
721
722 * config/s390/s390.md ("*clc"): Remove incorrect '='.
723 ("*cmpmem_short"): Likewise.
724
725 2005-01-17 Steven Bosscher <stevenb@suse.de>
726
727 * basic-block.h: Document BB_* flags.
728 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
729 use an sbitmap instead.
730 * sched-rgn.c (compute_trg_info): Likewise.
731
732 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
733
734 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
735 redundant target_cpu_default and extra_parts lines. Use the default
736 "from-abi" ISA.
737 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
738 (SUBTARGET_EXTRA_SPECS): Delete.
739 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
740 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
741 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
742 and "n32" for -mabi=n32.
743
744 2005-01-17 Ian Lance Taylor <ian@airs.com>
745
746 PR c/5675
747 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
748 fold constant variables into initial values.
749
750 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
751
752 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
753
754 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
755 through the statements backward.
756
757 2005-01-17 Ian Lance Taylor <ian@airs.com>
758
759 PR middle-end/13127:
760 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
761 a variable set to the return value of the inlined function.
762
763 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
764
765 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
766 when modes are tieable.
767
768 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
769
770 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
771 of pthread_create to find out if threads are enabled.
772 * gthr-posix95.h (__gthread_active_p): Likewise.
773
774 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
775
776 * common.opt (-fnew-ra): Remove.
777 * ra*.*: Remove.
778 * toplev.h (flag_new_regalloc): Remove.
779 * Makefile.in (ra*.*): Don't mention.
780 * passes.c (rest_of_handle_new_regalloc): Remove.
781 (rest_of_handle_combine, rest_of_compilation): Always consider
782 flag_new_regalloc as false.
783 * doc/invoke.texi: Don't document -fnew-ra.
784
785 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
786
787 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
788 last parameter to reg_scan.
789 * loop.c (loop_optimize): Likewise.
790 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
791 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
792 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
793 rest_of_handle_gcse, rest_of_handle_loop_optimize,
794 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
795 * regclass.c (reg_scan): Likewise, for the declaration.
796 * rtl.h (reg_scan): Likewise, for the prototype.
797
798 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
799
800 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
801 mark_dfs_back_edges.
802
803 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
804
805 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
806 (compute_avail): Uses don't go in tmp_gen.
807
808 2005-01-16 Steven Bosscher <stevenb@suse.de>
809
810 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
811 loop to look for a free slot in a page entry.
812
813 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
814
815 PR target/16304
816 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
817 * toplev.c (compile_file): Call process_pending_assemble_output_defs
818 just before targetm.asm_out.file_end.
819 * tree.h (process_pending_assemble_output_defs): Declare.
820 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
821 New functions.
822 (assemble_alias): Defer generation of assembly code for defines when
823 TARGET_DEFERRED_OUTPUT_DEFS is true.
824 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
825 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
826 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
827
828 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
829
830 PR target/19336
831 * pa.c (pa_scalar_mode_supported_p): New function.
832 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
833 * pa.h (MIN_UNITS_PER_WORD): Add comment.
834
835 * pa-protos.h (prefetch_operand): Delete.
836 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
837 * pa.c (prefetch_operand): Delete.
838 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
839 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
840 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
841 and prefetch_nocc_operand.
842 * pa.md (prefetch): Rework to avoid reload problems handling short
843 displacements when a cache control completer needs to be provided.
844 (prefetch_32, prefetch_64): Delete.
845 (prefetch_cc, prefetch_nocc): New patterns.
846
847 2005-01-15 David Edelsohn <edelsohn@gnu.org>
848
849 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
850
851 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
852
853 PR ada/19388
854 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
855 exceeds maximum alignment for global common data.
856 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
857 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
858
859 2004-01-15 Roger Sayle <roger@eyesopen.com>
860
861 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
862
863 2004-01-15 Roger Sayle <roger@eyesopen.com>
864
865 * harg-reg-set.h (reg_class_names): Prototype global array.
866 * regclass.c (reg_class_names): Declare here and initialize to
867 REG_CLASS_NAMES.
868 (dump_regclass): Remove local declaration of reg_class_names.
869 (regclass): Likewise.
870 * cfg.c (dump_flow_info): Likewise.
871 * ra-debug.c (reg_class_names): Likewise.
872 * regrename.c (reg_class_names): Likewise.
873 * reload.c (reg_class_names): Likewise.
874 * reload1.c (spill_failure): Likewise.
875 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
876
877 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
878
879 * config/s390/s390.md ("reload_outti"): Remove predicate for
880 output operand. Abort if operand is not a MEM.
881 ("reload_outdi", "reload_outdf"): Likewise.
882
883 2005-01-15 Marc Espie <espie@openbsd.org>
884
885 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
886 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
887 * config/openbsd.h: Fix C++ includes for native configurations.
888 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
889 Add trampoline support.
890 * config/i386/openbsdelf.h: New.
891
892 2005-01-15 Marc Espie <espie@openbsd.org>
893
894 * collect2.c (main): Explicitly parse -dynamic-linker option.
895
896 2005-01-15 Jakub Jelinek <jakub@redhat.com>
897
898 PR tree-optimization/19060
899 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
900 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
901 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
902 and handle extract_range_from_cond returning false.
903 * fold-const.c (fold): Optimize comparisons with min/max even for
904 width > HOST_BITS_PER_WIDE_INT.
905
906 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
907
908 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
909 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
910 Remove little endian multilib variants.
911 Add mips32 multilib variant.
912
913 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
914
915 * explow.c (copy_all_reg, stabilize): Remove.
916 * expr.h: Remove the corresponding prototypes.
917
918 * rtlanal.c (regs_set_between_p): Remove.
919 * rtl.h: Remove the corresponding prototype.
920
921 2005-01-14 David Edelsohn <edelsohn@gnu.org>
922
923 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
924 to rs6000_nonimmediate_operand.
925 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
926 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
927 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
928 rs6000_nonimmediate_operand.
929 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
930 rs6000_nonimmediate_operand.
931
932 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
933
934 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
935
936 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
937
938 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
939 on e500v2.
940 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
941 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
942
943 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
944 (rs6k_nonimmediate_operand): New.
945 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
946 correctly.
947 (legitimate_lo_sum_address_p): Same.
948 (rs6000_legitimize_address): Same.
949 (rs6000_legitimize_reload_address): Same.
950 (rs6000_legitimate_address): Same.
951 (spe_build_register_parallel): Pass DF and DC modes in a DI
952 register.
953
954 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
955 to rs6k_nonimmediate_operand.
956
957 * config/rs6000/spe.md ("*frob_df_di"): New.
958 ("*frob_di_df"): New.
959 ("*frob_di_df_2"): New.
960 ("*mov_sidf_e500_subreg0"): New.
961 ("*mov_sidf_e500_subreg4"): New.
962 ("*movdf_e500_double"): Change predicate to
963 rs6k_nonimmediate_operand.
964
965 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
966
967 * postreload.c (move2add_note_store): Only call
968 trunc_int_for_mode on scalar integers.
969
970 2005-01-14 Steven Bosscher <stevenb@suse.de>
971
972 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
973 replace BB_VISITED uses.
974 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
975 (propagate_necessity): Check the bitmap instead of BB_VISITED.
976 (tree_dce_done): Free visited_control_parents.
977 (perform_tree_ssa_dce): Allocate and clear it.
978 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
979 (compute_antic): Iterate from here using a DFS. Use an sbitmap
980 instead of BB_VISITED.
981
982 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
983
984 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
985 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
986 Remove unused prototypes.
987
988 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
989
990 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
991 64-bit register usage.
992 (spe_func_has_64bit_regs_p): Add FIXME note.
993
994 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
995
996 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
997 flag_finite_math_only with flag_unsafe_math_optimizations.
998
999 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
1000
1001 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
1002 end-of-stack check.
1003 (__tpf_eh_return): Copy TPF private stack area from the module
1004 boundary stack frame. Add check for when module addresses are
1005 equal, but no stub address is found.
1006
1007 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
1008
1009 PR target/7525
1010 * arm.h (struct machine_function): Add call_via field.
1011 (thumb_call_via_label): Declare.
1012 * arm.c (thumb_call_via_label): New variable.
1013 (thumb_call_reg_needed): New variable.
1014 (arm_output_function_epilogue): For Thumb code, output any per-function
1015 call-indirect trampolines.
1016 (thumb_call_via_reg): New function.
1017 (arm_file_end): New function.
1018 (TARGET_ASM_FILE_END): Call arm_file_end.
1019 (aof_file_end): Likewise.
1020 * arm-protos.h (thumb_call_via_reg): Declare.
1021 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
1022 thumb_call_via_reg in normal case.
1023
1024 2005-01-14 Jakub Jelinek <jakub@redhat.com>
1025
1026 PR middle-end/19084
1027 PR rtl-optimization/19348
1028 * recog.c (peephole2_optimize): Do global life update if some peephole
1029 decides it doesn't need at least one of its inputs and that change
1030 influences liveness at the start of the basic block.
1031
1032 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
1033 arguments instead of 1.
1034
1035 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
1036
1037 PR middle-end/18820
1038 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
1039 zero for nested functions needing a static chain or functions
1040 with a non-constant address.
1041
1042 2005-01-13 Roger Sayle <roger@eyesopen.com>
1043
1044 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
1045 (and (sign_extend X) C) into (zero_extend (and X C)).
1046
1047 2005-01-13 David O'Brien <obrien@FreeBSD.org>
1048
1049 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
1050
1051 2005-01-13 Richard Henderson <rth@redhat.com>
1052
1053 PR target/19009
1054 PR target/19250
1055 PR target/19252
1056 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
1057 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
1058 not just TARGET_SSE.
1059 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
1060 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
1061 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
1062 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
1063 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
1064 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
1065 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
1066 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
1067 (movdicc_c_rex64): Rename with '*'.
1068 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
1069 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
1070 (movsfcc_1_387): Rename from movsfcc_1.
1071 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
1072 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
1073 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
1074 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
1075 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
1076 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
1077 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
1078 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
1079 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
1080 sse_movdfcc_const0_4): Remove.
1081 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
1082 recognize min/max early. Update for changed sse cmove patterns.
1083 (ix86_split_sse_movcc): New.
1084 * config/i386/i386-protos.h: Update.
1085
1086 2005-01-13 Steven Bosscher <stevenb@suse.de>
1087
1088 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
1089 (fix_stmt_v_may_defs): Likewise.
1090
1091 2005-01-13 Richard Henderson <rth@redhat.com>
1092
1093 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
1094 for converting the mask.
1095
1096 2005-01-13 David Edelsohn <edelsohn@gnu.org>
1097
1098 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
1099 definition to 600.
1100
1101 2005-01-13 Richard Henderson <rth@redhat.com>
1102
1103 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
1104 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
1105 IX86_BUILTIN_MOVDQ2Q): Remove.
1106 (IX86_BUILTIN_VEC_EXT_V4SI): New.
1107 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
1108 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
1109 shuffling.
1110 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
1111 (sse2_pextrw): Fix immediate constraint.
1112 (sse2_loadq, sse2_loadq_rex64): Remove.
1113 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
1114 Use __builtin_ia32_vec_ext_<size>.
1115 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
1116
1117 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
1118
1119 * function.c (assign_parm_setup_block): Look inside original
1120 entry_parm when inspecting PARALLEL.
1121
1122 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
1123 Joel Sherrill <joel@oarcorp.com>
1124
1125 PR target/19399
1126 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
1127 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
1128 rtems_gxx_recursive_mutex_init.
1129 (__gthread_recursive_mutex_lock): New function.
1130 (__gthread_recursive_mutex_trylock): Likewise.
1131 (__gthread_recursive_mutex_unlock): Likewise.
1132
1133 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
1134
1135 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
1136
1137 2005-01-13 Jan Beulich <jbeulich@novell.com>
1138
1139 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
1140 (ashrti3_internal): Indicate output is early clobber. Generate result
1141 into output rather than first input. Use move for low word of output
1142 if shift count is exactly 64.
1143 (lshrti3_internal): Likewise.
1144
1145 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
1146
1147 PR target/18329
1148 PR target/18330
1149 * reload1.c (delete_output_reload): Don't delete an output reload
1150 if the pseudo lives longer than a single basic block. Adjust and
1151 improve wording of comment.
1152
1153 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
1154
1155 PR target/19334
1156 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
1157 of TYPE_SIZE where we mean the number of bytes.
1158
1159 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
1160
1161 * function.c (assign_parm_setup_block): Relax condition on
1162 multi-register optimization.
1163
1164 2005-01-12 Nick Clifton <nickc@redhat.com>
1165
1166 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
1167 an "in_delay_slot" attribute of "no" to prevent them being used in
1168 delay slots. This is forbidden because they might generate
1169 exceptions.
1170
1171 2005-01-12 Alan Modra <amodra@bigpond.net.au>
1172
1173 PR target/19389
1174 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
1175 with r->Y and Y->r.
1176
1177 2005-01-12 Nick Clifton <nickc@redhat.com>
1178
1179 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
1180 passed on to GAS) but do not define, as GAS no longer supports or
1181 needs the -m2000 option.
1182
1183 2005-01-11 Roger Sayle <roger@eyesopen.com>
1184
1185 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
1186 type as args of unprototyped builtins aren't automatically promoted.
1187 (fold_builtin_abs): Likewise.
1188
1189 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1190
1191 * Makefile.in: Set a `build-warn' variable.
1192
1193 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
1194
1195 PR tree-optimization/17949
1196 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
1197 (find_interesting_uses_address): Use it.
1198
1199 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
1200
1201 * regrename.c (kill_value): Handle subreg's that won't simplify.
1202
1203 2005-01-11 Richard Henderson <rth@redhat.com>
1204
1205 PR target/13366
1206 * config/i386/i386.h (enum ix86_builtins): Move ...
1207 * config/i386/i386.c: ... here.
1208 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
1209 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
1210 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
1211 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
1212 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
1213 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
1214 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
1215 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
1216 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
1217 IX86_BUILTIN_LOADDDUP): Remove.
1218 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
1219 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
1220 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
1221 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
1222 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
1223 (ix86_init_builtins): Make static.
1224 (ix86_init_mmx_sse_builtins): Update for changed builtins.
1225 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
1226 if all the modes match. Otherwise, fake it.
1227 (get_element_number, ix86_expand_vec_init_builtin,
1228 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
1229 (ix86_expand_builtin): Make static. Update for changed builtins.
1230 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
1231 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
1232 (ix86_expand_vector_init_duplicate): New.
1233 (ix86_expand_vector_init_low_nonzero): New.
1234 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
1235 Split out from ix86_expand_vector_init; handle integer modes.
1236 (ix86_expand_vector_init): Use them.
1237 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
1238 * config/i386/i386-protos.h: Update.
1239 * config/i386/predicates.md (reg_or_0_operand): New.
1240 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
1241 (movv2sf_internal): Likewise. And a splitter to match them all.
1242 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
1243 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
1244 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
1245 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
1246 (mmx_pinsrw): Fix operand ordering.
1247 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
1248 rather than sse_loadss expander.
1249 (movv2df splitter): Similarly.
1250 (sse_loadss, sse_loadlss): Remove.
1251 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
1252 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
1253 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
1254 (sse3_movddup): Rename with '*'.
1255 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
1256 (sse2_loadsd): Remove.
1257 (vec_dupv2df_sse3): Rename from sse3_loadddup.
1258 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
1259 (sse2_pinsrw): Fix argument ordering.
1260 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
1261 (sse2_stored): Remove 'r' destination.
1262 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
1263 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
1264 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
1265 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
1266 vec_extractv16qi, vec_initv16qi): New.
1267
1268 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
1269 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
1270 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
1271 constructor form.
1272 (_mm_load_pd, _mm_store_pd): Use plain dereference.
1273 (_mm_load_si128, _mm_store_si128): Likewise.
1274 (_mm_load1_pd): Use _mm_set1_pd.
1275 (_mm_load_sd): Use _mm_set_sd.
1276 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
1277 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
1278 (_mm_set_epi64): Use _mm_set_epi64x.
1279 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
1280 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
1281 _mm_setr_epi8): Use _mm_set_foo form.
1282 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
1283 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
1284 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
1285 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
1286 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
1287 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
1288 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
1289 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
1290 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
1291 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
1292 (_mm_movedup_pd): Use _mm_shuffle_pd.
1293 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
1294 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
1295 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
1296 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
1297 Use _mm_setzero_ps.
1298 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
1299 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
1300 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
1301 (_mm_store_ps): Use raw dereference.
1302 (_mm_store1_ps): Use _mm_storeu_ps.
1303 (_mm_storer_ps): Use _mm_store_ps.
1304 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
1305 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
1306
1307 2005-01-11 Stan Shebs <shebs@apple.com>
1308
1309 * config/rs6000/rs6000.c (machopic_output_stub): Issue
1310 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
1311
1312 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1313
1314 PR target/18761
1315 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
1316 Skip all DECLs except for FIELD_DECLs.
1317
1318 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
1319
1320 * config/s390/s390.c (override_options): Return error if
1321 -mbackchain, -mpacked-stack and -mhard-float are used together.
1322 (s390_va_start): Remove the backchain && packed-stack special case.
1323 (s390_gimplify_va_arg): Likewise.
1324 * doc/invoke.texi: Remove the ABI incompatibility note.
1325
1326 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
1327
1328 * config/s390/s390.c (struct s390_frame_layout): Remove
1329 save_backchain_p.
1330 (s390_frame_info, s390_emit_prologue): Replace occurrences of
1331 save_backchain_p with TARGET_BACKCHAIN.
1332
1333 2005-01-11 Alan Modra <amodra@bigpond.net.au>
1334
1335 PR target/18916
1336 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
1337 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
1338 * function.c (locate_and_pad_parm): Set new field.
1339 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
1340 Tweak where_pad test to include "none". Always set mem align for
1341 stack_parm.
1342 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
1343 not sufficient for type.
1344 (assign_parm_setup_block): If stack_parm is zero on entry, always
1345 make a new stack local. Block move old stack parm if necessary
1346 to new aligned stack local.
1347 (assign_parm_setup_stack): Use a block move to handle
1348 potentially misaligned entry_parm.
1349 (assign_parms_unsplit_complex): Specify required alignment when
1350 creating stack local.
1351 * calls.c (compute_argument_addresses): Override alignment of stack
1352 arg calculated from its type with the alignment given by
1353 FUNCTION_ARG_BOUNDARY.
1354 (store_one_arg): Likewise.
1355
1356 2005-01-11 Jan Beulich <jbeulich@novell.com>
1357
1358 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
1359 Change respective itanium_class attribute to ialu.
1360 (shladdp4_internal): New.
1361 * config/ia64/predicates.md (shladd_log2_operand): New.
1362
1363 2005-01-11 Richard Henderson <rth@redhat.com>
1364
1365 * expr.c (store_constructor): Use rtvec_alloc instead of
1366 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
1367
1368 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
1369
1370 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
1371
1372 2005-01-11 Alan Modra <amodra@bigpond.net.au>
1373
1374 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
1375 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
1376 (TARGET_RWRELOC): Define.
1377 (ia64_rwreloc_section_type_flags): Delete.
1378 (ia64_section_type_flags): New function.
1379 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
1380 (TARGET_RWRELOC): Define.
1381
1382 2005-01-10 David Mosberger <davidm@hpl.hp.com>
1383
1384 PR target/18987
1385 * config/ia64/ia64.c (process_set): For alloc insn, only call
1386 process_epilogue is !frame_pointer_needed.
1387
1388 2005-01-10 Roger Sayle <roger@eyesopen.com>
1389
1390 PR c++/19355
1391 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
1392 unary operator and can't be treated as a binary/comparison operator.
1393
1394 2005-01-10 Richard Henderson <rth@redhat.com>
1395
1396 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
1397 (ix86_return_in_memory): Likewise.
1398 (function_arg_advance): Likewise. Mirror structure in function_arg
1399 for choosing register to advance.
1400
1401 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
1402
1403 * tree-vectorizer.c, tree.def: Fix comment typos.
1404
1405 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
1406
1407 * config/s390/s390.c (struct processor_costs): 4 new fields:
1408 ddbr, ddr, debr, der.
1409 (s390_rtx_costs): More precise handling of divide instructions.
1410
1411 2005-01-10 David Edelsohn <edelsohn@gnu.org>
1412
1413 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
1414
1415 2005-01-10 Jan Beulich <jbeulich@novell.com>
1416
1417 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
1418 names resulting from -ffunction-sections/-fdata-sections and linkonce
1419 ones.
1420 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
1421 based on the section name. Rearrange the section name comparison logic
1422 slightly so that each section name is compared against at most once.
1423
1424 2005-01-10 Ben Elliston <bje@au.ibm.com>
1425
1426 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
1427 targets for which -fPIC reduces limitations on the GOT size.
1428
1429 2005-01-09 Falk Hueffner <falk@debian.org>
1430
1431 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
1432 X/C1 cmpop C2.
1433
1434 2005-01-09 David Edelsohn <edelsohn@gnu.org>
1435
1436 PR target/18720
1437 * collect2.c (main): Set aixrtl_flag for -brtl option.
1438 (resolve_lib_name): Search for .so file extension before .a
1439 if aixrtl_flag set.
1440
1441 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
1442
1443 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
1444 (vect_analyze_data_refs_alignment): Add dump prints.
1445
1446 2005-01-09 Ira Rosen <irar@il.ibm.com>
1447
1448 * tree-vectorizer.c (vect_analyze_offset_expr): Use
1449 expr_invariant_in_loop_p.
1450 Initialize outputs first thing in the function.
1451 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
1452 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
1453 (vect_analyze_pointer_ref_access): Check that the initial condition of
1454 the access function is loop invariant.
1455
1456 2005-01-09 Richard Henderson <rth@redhat.com>
1457
1458 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
1459 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
1460 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
1461 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
1462 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
1463 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
1464 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
1465 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
1466 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
1467 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1468 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1469 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
1470 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
1471 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
1472 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
1473 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
1474 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1475 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1476 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
1477 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
1478 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
1479 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
1480 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
1481 mmx_ prefix.
1482 (mmx_clrdi, pavgusb): Remove.
1483 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
1484 with leading sse_ prefix.
1485 * config/i386/sse.md: Receive them.
1486 * config/i386/mmx.md: New file.
1487 (MMXMODE12, MMXMODE24, mmxvecsize): New.
1488 (subrv2sf3): Turn into expander for normal subtraction.
1489 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
1490 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
1491 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
1492 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
1493 commutative; use ix86_binary_operator_ok.
1494 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
1495 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
1496 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
1497 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
1498 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
1499 Macroize from existing patterns; use ix86_binary_operator_ok.
1500 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
1501 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
1502 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
1503 with vec_select+vec_concat.
1504 (mmx_pshufw, mmx_pshufw_1): Likewise.
1505 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
1506 (mmx_uavgv4hi3): Model correctly.
1507 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
1508 _mm_xor_si64): Remove casts.
1509
1510 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
1511
1512 PR tree-optimization/19224
1513 * tree-scalar-evolution.c (get_instantiated_value,
1514 set_instantiated_value): New functions.
1515 (instantiate_parameters_1): Cache the results.
1516 (instantiate_parameters, resolve_mixers): Initialize and free
1517 the cache.
1518
1519 2005-01-08 David Edelsohn <edelsohn@gnu.org>
1520
1521 * config/i386/i386.md (addhi_4): Correct reference in comment.
1522 (addqi_4): Same.
1523
1524 2005-01-08 Richard Henderson <rth@redhat.com>
1525
1526 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
1527 (_mm_cvtsi128_si64x): Likewise.
1528 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
1529 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
1530 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
1531 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
1532 * config/i386/i386-protos.h: Update.
1533 * config/i386/i386.c (print_operand): Add 'H'.
1534 (ix86_fixup_binary_operands): Split out from ...
1535 (ix86_expand_binary_operator): ... here.
1536 (ix86_fixup_binary_operands_no_copy): New.
1537 (ix86_expand_fp_absneg_operator): Handle vector mode results.
1538 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
1539 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
1540 (safe_vector_operand): Use CONST0_RTX.
1541 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
1542 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
1543 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
1544 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
1545 special cases.
1546 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
1547 (IX86_BUILTIN_CMPNGESS): New.
1548 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
1549 (attr type): Add sselog1.
1550 (attr unit, attr memory): Handle it.
1551 (movti, movti_internal, movti_rex64): Move near other integer moves.
1552 (movtf, movtf_internal): Move near other fp moves.
1553 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
1554 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
1555 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
1556 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
1557 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
1558 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
1559 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
1560 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
1561 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
1562 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
1563 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
1564 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
1565 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
1566 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
1567 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
1568 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
1569 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
1570 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
1571 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
1572 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
1573 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
1574 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
1575 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
1576 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
1577 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
1578 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
1579 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
1580 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
1581 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
1582 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
1583 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
1584 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
1585 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
1586 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
1587 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
1588 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
1589 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
1590 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
1591 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
1592 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
1593 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
1594 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
1595 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
1596 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
1597 same time.
1598 (SSEPUSH, push<SSEPUSH>): Remove.
1599 (MMXPUSH, push<MMXPUSH>): Remove.
1600 (sse_movaps, sse_movaps_1, sse_movups): Remove.
1601 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
1602 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
1603 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
1604 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
1605 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
1606 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
1607 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
1608 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
1609 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
1610 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
1611 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
1612 (ppro_sse_log_V4SF): Handle sselog1.
1613 * config/i386/predicates.md (const_0_to_1_operand): New.
1614 (const_0_to_255_mul_8_operand): New.
1615 (const_1_to_31_operand): Rename from const_int_1_31_operand.
1616 (const_2_to_3_operand, const_4_to_7_operand): New.
1617 * config/i386/sse.md: New file.
1618 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
1619 (sse_movups): Rename from sse_movups_1.
1620 (sse_loadlss): Rename from sse_loadss_1.
1621 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
1622 from the name.
1623 (negv4sf2): Use ix86_expand_fp_absneg_operator.
1624 (absv4sf2, negv2df, absv2df): New.
1625 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
1626 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
1627 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
1628 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
1629 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
1630 (sse3_addsubv4sf3): Model correctly.
1631 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
1632 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
1633 (sse_movhlps): Model with vec_select+vec_concat.
1634 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
1635 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
1636 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
1637 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
1638 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
1639 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
1640 sse2_pshufhw_1): Likewise.
1641 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
1642 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
1643 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
1644 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
1645 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
1646 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
1647 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
1648 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
1649 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
1650 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
1651 sminv8hi3): Mark commutative
1652 operands. Use ix86_binary_operator_ok.
1653 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
1654 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
1655 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
1656 sse2_punpcklqdq): Allow operand2 in memory.
1657 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
1658 sse2_movsd): Add memory alternatives.
1659 (sse_storelps): Turn expander into an insn; split after reload.
1660 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
1661 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
1662
1663 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1664
1665 * configure.ac (DWARF-2 debug_line): Use objdump.
1666 * configure: Regenerate.
1667
1668 2005-01-08 Jeff Law <law@redhat.com>
1669 Diego Novillo <dnovillo@redhat.com>
1670
1671 PR tree-optimization/18241
1672 * tree-nrv.c (tree_nrv): Ignore volatile return values.
1673 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
1674 statements with volatile operands.
1675 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
1676 operands after marking a statement with has_volatile_ops.
1677
1678 2005-01-08 Roger Sayle <roger@eyesopen.com>
1679
1680 * tree.c (int_fits_type_p): Always honor integer constant
1681 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
1682
1683 2005-01-08 Roger Sayle <roger@eyesopen.com>
1684
1685 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
1686 the latent bug in rtl_delete_block has been resolved.
1687
1688 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
1689
1690 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
1691 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
1692
1693 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
1694
1695 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
1696 library as @multilib_dir@/$(SHLIB_SONAME).
1697
1698 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1699
1700 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
1701 * configure: Regenerate.
1702
1703 2005-01-07 Jakub Jelinek <jakub@redhat.com>
1704
1705 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
1706 TYPE_MODE.
1707
1708 2005-01-07 David Edelsohn <edelsohn@gnu.org>
1709
1710 PR target/13674
1711 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1712 Convert non-word aligned offset address using ld/std into
1713 indirect address.
1714
1715 2005-01-07 Richard Henderson <rth@redhat.com>
1716
1717 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
1718
1719 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
1720
1721 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
1722
1723 2005-01-07 Jakub Jelinek <jakub@redhat.com>
1724
1725 PR tree-optimization/19283
1726 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
1727 is not shorter than the original type.
1728
1729 PR rtl-optimization/19012
1730 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
1731
1732 PR rtl-optimization/18861
1733 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
1734 (FULL_STATE): Define.
1735 (mark_tablejump_edge): New function.
1736 (purge_dead_tablejump_edges): New function.
1737 (find_bb_boundaries): Use it.
1738
1739 PR tree-optimization/18828
1740 * builtins.c (expand_builtin_next_arg): Remove argument and all
1741 the argument checking.
1742 (expand_builtin): Adjust caller.
1743 (expand_builtin_va_start): Likewise. Remove error for too many
1744 arguments.
1745 (fold_builtin_next_arg): Issue error for too many arguments.
1746 After checking arguments, replace them with magic arguments that
1747 prevent further checking of the args.
1748
1749 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1750
1751 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
1752
1753 2005-01-06 Roger Sayle <roger@eyesopen.com>
1754
1755 PR target/6077
1756 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
1757 and %{.S:...} (and their negative variants) to test whether the
1758 input file is assembler or pre-processed-assembler independent of
1759 the actual filename extension.
1760
1761 2005-01-06 Roger Sayle <roger@eyesopen.com>
1762
1763 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
1764 of sign or zero extended values.
1765
1766 2005-01-06 Geoffrey Keating <geoffk@apple.com>
1767
1768 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
1769 for IBM long double format correctly.
1770
1771 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
1772
1773 Fix PR tree-optimization/18792
1774
1775 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
1776 to first_loop_depth, and use loop depth instead of loop number.
1777 (build_classic_dir_vector): Ditto.
1778 (compute_data_dependences_for_loop): Use depth, not loop number.
1779 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
1780 number. Pass in loops, instead of loop numbers.
1781 (gather_interchange_stats): Ditto.
1782 (linear_transform_loops): Ditto.
1783
1784 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
1785
1786 PR rtl-opt/13299
1787 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
1788 biv_fits_mode_p, extension_within_bounds_p): New functions.
1789 (check_ext_dependent_givs): Use them.
1790
1791 2005-01-06 Roger Sayle <roger@eyesopen.com>
1792
1793 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
1794 more than one barrier, in which case we should delete them all.
1795
1796 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
1797
1798 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
1799
1800 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
1801
1802 Fix PR middle-end/19286
1803 Fix PR debug/19267
1804 * dwarf2out.c (gen_subprogram_die): If we've already tried to
1805 output this subprogram, simply ignore this attempt to do it again.
1806 (add_abstract_origin_attribute): Don't abort trying to add the abstract
1807 origin attribute if it's not possible.
1808 (gen_block_die): Don't ignore subblocks of "unused" blocks.
1809 (decls_for_scope): Ditto.
1810 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
1811 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
1812
1813 2005-01-05 Richard Henderson <rth@redhat.com>
1814
1815 PR target/11327
1816 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
1817 (bdesc_2arg): Use it.
1818 (ix86_expand_binop_builtin): Force operands into registers
1819 when optimizing.
1820 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
1821 ix86_expand_sse_compare, ix86_expand_sse_comi,
1822 ix86_expand_builtin): Likewise.
1823
1824 2005-01-05 Richard Henderson <rth@redhat.com>
1825
1826 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
1827 and VEC_SELECT.
1828 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
1829 (mulv4hi3): Set itanium_class mmmul.
1830 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
1831 (fpack): Rename from fpack_sfsf.
1832
1833 2005-01-05 Richard Henderson <rth@redhat.com>
1834
1835 PR rtl-opt/10692
1836 * reload1.c (do_input_reload): Restrict the optimization deleteing
1837 a previous output reload to RELOAD_FOR_INPUT.
1838
1839 2005-01-05 Steven Bosscher <stevenb@suse.de>
1840
1841 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
1842 comment that we fall through after case.
1843 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
1844 (distribute_links): Likewise.
1845 * cse.c (cse_insn): Likewise.
1846 * cselib.c (cselib_invalidate_mem): Likewise.
1847 * df.c: Update comments at the top of the file.
1848 (read_modify_subreg_p): Update comments here too.
1849 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
1850 * flow.c (mark_set_1): Likewise.
1851 (mark_used_regs): Likewise.
1852 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1853 (canon_list_insert): Likewise.
1854 (mark_set): Likewise.
1855 (try_replace_reg): Likewise.
1856 (store_killed_in_insn): Likewise.
1857 * loop.c (count_one_set): Likewise.
1858 (basic_induction_var): Likewise.
1859 * postreload-gcse.c (find_mem_conflicts): Likewise.
1860 * postreload.c (reload_combine_note_store): Likewise.
1861 (move2add_note_store): Likewise.
1862 * reload.c (find_equiv_reg): Likewise.
1863 (mark_referenced_resources): Likewise.
1864 * rtlanal.c (set_noop_p): Likewise.
1865 (note_stores): Likewise.
1866 (note_uses): Likewise.
1867 * sched-deps.c (sched_analyze_1): Likewise.
1868 * sched-rgn.c (check_live_1): Likewise.
1869 (update_live_1): Likewise.
1870 * config/i860/i860.c: Likewise.
1871
1872 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
1873 an lvalue.
1874 (ZERO_EXTRACT): Mention that this one can be an lvalue.
1875
1876 * doc/rtl.texi: Update documentation for bit-fields and SET.
1877
1878 2005-01-05 Roger Sayle <roger@eyesopen.com>
1879
1880 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
1881
1882 2005-01-05 Jan Hubicka <jh@suse.cz>
1883 Richard Henderson <rth@redhat.com>
1884
1885 PR target/18910
1886 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
1887 with an offset.
1888
1889 2005-01-05 Richard Henderson <rth@redhat.com>
1890
1891 PR target/12902
1892 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
1893 (sse_shufps): Change operand 3 to const_int_operand.
1894 (sse2_storelps): Fix typo in template.
1895 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
1896 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
1897 (ix86_expand_builtin): Likewise.
1898
1899 2005-01-05 Julian Brown <julian@codesourcery.com>
1900
1901 * config/arm/arm.c (arm_return_in_memory): Treat complex types
1902 as aggregates for AAPCS ABIs.
1903
1904 2005-01-05 Stan Shebs <shebs@apple.com>
1905
1906 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
1907 Mach-O getters if ppc64.
1908 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
1909 size argument.
1910 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1911 signed four-byte field for global code case.
1912 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
1913
1914 2005-01-05 Roger Sayle <roger@eyesopen.com>
1915
1916 PR middle-end/19100
1917 * c-common.c: Include real.h.
1918 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
1919 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
1920 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
1921 * Makefile.in (c-common.o): Update dependencies.
1922
1923 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
1924
1925 * c-parse.in (asm_string): Add trailing semicolon.
1926
1927 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
1928
1929 * c-parse.in (asm_string): New. Don't allow wide strings in
1930 'asm'.
1931 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
1932 asm_string instead of STRING.
1933
1934 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
1935
1936 * c-typeck.c (constructor_no_implicit): Remove.
1937 (set_designator, process_init_element): Don't check
1938 constructor_no_implicit.
1939
1940 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
1941 Kaz Kojima <kkojima@gcc.gnu.org>
1942
1943 PR target/16482
1944 * lcm.c (create_pre_exit): New.
1945 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
1946 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
1947
1948 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
1949
1950 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
1951 -msoft-float in target_float_switch.
1952 * arm.c (arm_override_options): Fix processing of target_float_switch.
1953
1954 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
1955
1956 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
1957 preferencing.
1958
1959 2004-01-05 Uros Bizjak <uros@kss-loka.si>
1960
1961 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
1962 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
1963
1964 2005-01-04 Roger Sayle <roger@eyesopen.com>
1965
1966 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
1967 if deleting the then-block allows the test-block to fallthru to the
1968 else-block.
1969
1970 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
1971
1972 PR c/19152
1973 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
1974 after the full declaration if the are in two different TUs.
1975
1976 2005-01-04 Richard Henderson <rth@redhat.com>
1977
1978 PR tree-opt/19158
1979 * tree-sra.c (generate_one_element_init): Just
1980 call gimplify_and_add.
1981 (generate_element_init): Record the
1982 new referenced variables and mark them for renaming
1983 and split out to ...
1984 (generate_element_init_1): This.
1985 (scalarize_init): Don't call push_gimplify_context/
1986 pop_gimplify_context.
1987
1988 2005-01-04 Geoffrey Keating <geoffk@apple.com>
1989
1990 * toplev.c (get_src_pwd): Handle failure of getpwd().
1991
1992 2005-01-04 Roger Sayle <roger@eyesopen.com>
1993
1994 * fold-const.c (fold_single_bit_test): Delete unreachable handling
1995 of TRUTH_NOT_EXPR.
1996 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
1997 all the cases handled by it are inverted by invert_truthvalue.
1998
1999 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2000
2001 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
2002 (save_register_windowsi): Likewise.
2003
2004 2005-01-04 Richard Henderson <rth@redhat.com>
2005
2006 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
2007
2008 2005-01-04 Uros Bizjak <uros@kss-loka.si>
2009
2010 PR middle-end/17767
2011 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
2012 any simplifications of vector mode comparison operators.
2013 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
2014
2015 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
2016 Devang Patel <dpatel@apple.com>
2017
2018 PR tree-optimization/18308
2019 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
2020 the operands before creating a new expression.
2021 * dojump.c (do_jump): Make drop_through_label available
2022 for all cases. Add expansion of COND_EXPR.
2023
2024 2005-01-04 Ira Rosen <irar@il.ibm.com>
2025
2026 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
2027 INTEGER_CST instead of TREE_CONSTANT.
2028 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
2029 instead of TREE_CONSTANT.
2030 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
2031 instead of TREE_CONSTANT.
2032
2033 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2034
2035 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
2036
2037 2005-01-04 Uros Bizjak <uros@kss-loka.si>
2038
2039 PR target/19240
2040 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
2041 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
2042
2043 2005-01-03 Richard Henderson <rth@redhat.com>
2044
2045 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
2046 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
2047 fold_convert_const_real_from_real): Split out from ...
2048 (fold_convert_const): ... here.
2049
2050 2005-01-03 Richard Henderson <rth@redhat.com>
2051
2052 PR target/19235
2053 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
2054 (mov<MMXMODEI>_internal): Likewise.
2055 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
2056 Add V2SF case; use it for SSE1; don't use TI.
2057 (movdf_integer): Likewise.
2058 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
2059
2060 2005-01-03 Ira Rosen <irar@il.ibm.com>
2061
2062 * tree-vectorizer.c (vect_strip_conversions): New function.
2063 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
2064 check for binary class.
2065
2066 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
2067
2068 Fix PR debug/17924
2069 Fix PR debug/19191
2070 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
2071 is a decl.
2072 * gimple-low.c (mark_blocks_with_used_vars): New function.
2073 (mark_blocks_with_used_subblocks): Ditto.
2074 (mark_used_blocks): Ditto.
2075 (pass_mark_used_blocks): New pass.
2076 * tree-inline.c: Include debug.h.
2077 (expand_call_inline): Call outlining_inline_function here.
2078 * tree-optimize.c (init_tree_optimization_passes): Add
2079 pass_mark_used_blocks.
2080 * tree-pass.h (pass_mark_used_blocks): New.
2081 * Makefile.in (tree-inline.o): Add debug.h dependency.
2082
2083 2005-01-03 Geoffrey Keating <geoffk@apple.com>
2084
2085 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
2086 VAR_DECLs to have weak_import attribute.
2087
2088 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
2089 'struct ucontext'.
2090
2091 2004-01-03 Steven Bosscher <stevenb@suse.de>
2092
2093 * passes.c (rest_of_compilation): Don't run regmove if only
2094 flag_expensive_optimizations, require flag_regmove instead.
2095
2096 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2097
2098 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
2099 register "sparc".
2100 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
2101 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2102 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
2103 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2104
2105 2005-01-03 Richard Henderson <rth@redhat.com>
2106
2107 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
2108 (ia64_const_ok_for_letter_p): New.
2109 (ia64_const_double_ok_for_letter_p): New.
2110 (ia64_extra_constraint): New.
2111 (ia64_expand_vecint_compare): New.
2112 (ia64_expand_vcondu_v2si): New.
2113 (ia64_expand_vecint_cmov): New.
2114 (ia64_expand_vecint_minmax): New.
2115 (ia64_print_operand): Add 'v'.
2116 (ia64_preferred_reload_class): New.
2117 (ia64_vector_mode_supported_p): New.
2118 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
2119 (PREFERRED_RELOAD_CLASS): Move to function.
2120 (CONST_OK_FOR_LETTER_P): Move to function.
2121 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
2122 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
2123 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
2124 (EXTRA_CONSTRAINT): Move to function.
2125 * config/ia64/ia64.md: Include vect.md.
2126 (itanium_class): Add mmalua.
2127 (type): Handle it.
2128 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
2129 (1b_mmalua): New.
2130 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
2131 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
2132 CONST0_RTX.
2133 (const_int_2bit_operand): New.
2134 (fr_reg_or_0_operand): New.
2135 * config/ia64/ia64-modes.def: Add vector modes.
2136 * config/ia64/ia64-protos.h: Update.
2137 * config/ia64/vect.md: New file.
2138
2139 2005-01-03 Richard Henderson <rth@redhat.com>
2140
2141 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
2142
2143 2005-01-03 Uros Bizjak <uros@kss-loka.si>
2144
2145 PR target/19236
2146 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
2147 to SFmode.
2148 (log1pdf2): Change mode of operands[0,1] to DFmode.
2149
2150 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2151
2152 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
2153 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
2154 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
2155 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
2156 SPARC_RELAXED_ORDERING.
2157
2158 2005-01-03 Richard Henderson <rth@redhat.com>
2159 Uros Bizjak <uros@kss-loka.si>
2160
2161 PR target/14631
2162 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
2163 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
2164 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
2165 handling.
2166 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
2167 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
2168 const_pow2_1_to_128_operand): New predicates.
2169
2170 2005-01-02 Greg McGary <greg@mcgary.org>
2171
2172 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
2173 anonymous decls.
2174 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
2175 object. [ptr_type]: Remove unused variable.
2176 Remember nearest addressable array-element or record-component
2177 when checking bitfield components. Tolerate empty BIND_EXPR.
2178
2179 2005-01-01 Richard Henderson <rth@redhat.com>
2180
2181 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
2182 that don't narrow the value. Fail for other conversions.
2183
2184 2005-01-01 Richard Henderson <rth@redhat.com>
2185
2186 PR c/19031
2187 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
2188 * c-lang.c (finish_file): Don't do it here.
2189 * objc/objc-act.c (objc_finish_file): Likewise.
2190
2191 * cgraph.c (decl_assembler_name_equal): New.
2192 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
2193 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
2194 * cgraph.h (struct cgraph_varpool_node): Add next.
2195 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
2196 * varasm.c (assemble_alias): Mark the target as needed.
2197
2198 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
2199
2200 PR middle-end/19221
2201 * function.c (get_arg_pointer_save_area): Use entry_of_function
2202 instead of get_insns.
2203
2204 2005-01-01 Roger Sayle <roger@eyesopen.com>
2205 Andrew Pinski <pinskia@physics.uc.edu>
2206 James E. Wilson <wilson@specifixinc.com>
2207
2208 PR rtl-optimization/12092
2209 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
2210 is zero.
2211
2212 2005-01-01 Roger Sayle <roger@eyesopen.com>
2213 Olivier Hainque <hainque@act-europe.fr>
2214
2215 * tree.c (int_fits_type_p): A narrower type always fits in a
2216 wider one, except for negative values into unsigned types.
2217
2218 2005-01-01 Roger Sayle <roger@eyesopen.com>
2219
2220 * tree.c (int_fits_type_p): Compare the result of force_fit_type
2221 with the original constant rather than require TREE_OVERFLOW.
2222
2223 2005-01-01 Steven Bosscher <stevenb@suse.de>
2224
2225 PR middle-end/17544
2226 * c-decl.c (finish_function): If compiling C99, annotate the
2227 compiler generated return with the current file name and line 0.
2228 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
2229 the source line is greater than 0.
2230 (remove_bb): Likewise.
2231
2232 See ChangeLog.12 for earlier changes.