expmed.c (expand_mult_highpart_optab): When attempting to use a non-widening multipli...
[gcc.git] / gcc / ChangeLog
1 2005-01-28 Roger Sayle <roger@eyesopen.com>
2
3 * expmed.c (expand_mult_highpart_optab): When attempting to use
4 a non-widening multiplication in a wider mode, the operands need
5 to be converted (zero or sign extended) to that mode.
6
7 2005-01-28 Ian Lance Taylor <ian@airs.com>
8
9 PR middle-end/16558
10 PR middle-end/19583
11 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
12 through if both operands fall through.
13
14 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
15
16 * cse.c (fold_rtx) <PC>: Don't optimize.
17
18 2005-01-28 Jeff Law <law@redhat.com>
19
20 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
21 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
22
23 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
24
25 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
26 cse_reg_info_used_list_end): Remove.
27 (cse_reg_info_list, cse_reg_info_list_free): New.
28 (get_cse_reg_info): When allocating an instance of
29 cse_reg_info, add it to the beginning of the cse_reg_info_list
30 list. Remove code to maintain cse_reg_info_used_list.
31 (new_basic_block): Reset the free list to the beginning of
32 cse_reg_info_list.
33
34 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
35
36 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
37 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
38 (frv_expand_mdpackh_builtin): New function.
39 (frv_expand_builtin): Use it to expand __MDPACKH.
40 * doc/extend.texi (__MDPACKH): Update documentation.
41
42 2005-01-28 Uros Bizjak <uros@kss-loka.si>
43
44 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
45 SSE_FLOAT_MODE_P for use_sse computation.
46
47 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
48
49 PR target/19663
50 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
51
52 2005-01-27 Richard Henderson <rth@redhat.com>
53
54 * builtins.c (expand_builtin_copysign): New.
55 (expand_builtin): Call it.
56 * genopinit.c (optabs): Add copysign_optab.
57 * optabs.c (init_optabs): Initialize it.
58 (expand_copysign): New.
59 * optabs.h (OTI_copysign, copysign_optab): New.
60 (expand_copysign): Declare.
61
62 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
63 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
64
65 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
66 (ix86_expand_fp_absneg_operator): ... here.
67 (ix86_split_copysign): New.
68 * config/i386/i386-protos.h: Update.
69 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
70 (copysignsf3, copysigndf3): New.
71
72 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
73 (copysignsf3, ncopysignsf3): New.
74 (copysigndf3, ncopysigndf3): New.
75 (copysignxf3, ncopysignxf3): New.
76 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
77
78 2005-01-27 Arend Bayer <arend.bayer@web.de>
79 Kazu Hirata <kazu@cs.umass.edu>
80
81 * cse.c: (find_best_addr): Don't call copy_rtx before calling
82 fold_rtx. Save cost recomputation if fold_rtx did nothing.
83 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
84 NULL_RTX.
85
86 2005-01-27 Jeff Law <law@redhat.com>
87
88 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
89 definitions of SSA_NAMEs which are not being rewritten.
90 (rewrite_ssa_into_ssa): Only initialize the current definition
91 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
92 If checking is enabled, assert that SSA_NAME_AUX is clear for all
93 SSA_NAMEs before returning.
94
95 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
96
97 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
98 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
99 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
100 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
101 config/mips/iris6.h, config/sh/sh.c: Update copyright.
102
103 2005-01-27 Steven Bosscher <stevenb@suse.de>
104
105 PR middle-end/17278
106 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
107 higher to -O2 and higher. Likewise for tree PRE.
108 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
109 and better.
110
111 2005-01-27 Ian Lance Taylor <ian@airs.com>
112
113 PR middle-end/19583
114 * gimple-low.c (try_catch_may_fallthru): New static function.
115 (block_may_fallthru): Handle TRY_CATCH_EXPR.
116 * tree-inline.c (expand_call_inline): Don't warn about reaching
117 the end of a non-void function being inlined if the function uses
118 a return slot.
119
120 2005-01-27 Jakub Jelinek <jakub@redhat.com>
121
122 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
123
124 PR c/18946
125 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
126 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
127 (implicitly_declare): Handle error_mark_node.
128
129 2005-01-27 Richard Henderson <rth@redhat.com>
130
131 PR tree-opt/14329
132 * tree.h (struct tree_decl): Add debug_expr_is_from.
133 (DECL_DEBUG_EXPR_IS_FROM): New.
134 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
135 * dwarf2out.c (dwarf2out_var_location): Update to match.
136 * tree-outof-ssa.c (create_temp): Likewise.
137 * var-tracking.c (track_expr_p): Likewise.
138 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
139 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
140 * toplev.c (default_tree_printer): Likewise.
141
142 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
143
144 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
145 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
146
147 2005-01-27 Steven Bosscher <stevenb@suse.de>
148
149 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
150 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
151 ASM_CLOBBERS): Add tree checks.
152
153 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
154 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
155 * c-common.def (SWITCH_STMT): Update to match.
156 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
157 macros instead of SWITCH_EXPR ones.
158 * c-dump.c (c_dump_tree): Likewise.
159 * c-gimplify.c (gimplify_switch_stmt): Likewise.
160 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
161
162 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
163
164 2005-01-27 Alan Modra <amodra@bigpond.net.au>
165
166 * unwind-dw2.c (execute_stack_op): Add missing cases for
167 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
168
169 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
170
171 * config.gcc (Obsolete configurations): Remove 'dummy', add
172 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
173 sparc-*-openbsd*.
174
175 2005-01-26 Diego Novillo <dnovillo@redhat.com>
176
177 PR tree-optimization/19633
178 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
179 CALL_EXPRs.
180 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
181 are no call-clobbered variables.
182 * tree-outof-ssa.c (check_replaceable): Return false for calls
183 with side-effects.
184
185 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
186
187 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
188 even for variables with NULL DECL_INITIAL.
189
190 2005-01-26 Stuart Hastings <stuart@apple.com>
191
192 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
193
194 2005-01-26 Richard Henderson <rth@redhat.com>
195
196 PR middle-end/18008
197 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
198 field's type.
199 * expr.c (store_field): Strip conversions to odd-bit-sized types
200 if the destination field width matches.
201
202 2005-01-26 Richard Henderson <rth@redhat.com>
203
204 * c-decl.c, expmed.c, expr.c: Revert last change.
205
206 2005-01-26 Richard Henderson <rth@redhat.com>
207
208 PR middle-end/18008
209 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
210 field's type.
211 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
212 if we don't need the bits above those present in the current mode.
213 * expr.c (store_field): Strip conversions to odd-bit-sized types
214 if the destination field width matches.
215
216 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
217
218 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
219 either -ffast-math or -funsafe-math-optimizations is in use.
220
221 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
222
223 PR target/19293
224 PR target/19329
225 * config/avr/avr.c (notice_update_cc): Only set condition code for
226 ashrqi3 if shift count > 0.
227 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
228 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
229 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
230 count <= 0 as a no-op, and shift count >= width by copying zero
231 or sign bit to all bits of the result.
232 * config/avr/avr.md (all shifts): Add alternatives for zero shift
233 count, with attribute "length" set to 0 and "cc" set to "none".
234
235 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
236
237 * doc/invoke.texi: Document -mTLS.
238
239 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
240 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
241 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
242 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
243 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
244 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
245 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
246 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
247
248 * configure.ac: Check for a TLS capable gas.
249
250 * configure: Regenerate.
251
252 2005-01-26 Richard Henderson <rth@redhat.com>
253
254 PR middle-end/18008
255 * combine.c (make_field_assignment): Simplify store to zero_extract
256 from a source with an overlapping mask.
257
258 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
259
260 2004-11-11 Eric Christopher <echristo@redhat.com>
261
262 * config/frv/frv.md: Add fr400_integer automaton. Don't
263 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
264 to TYPE_MACC.
265
266 2005-01-26 Steven Bosscher <stevenb@suse.de>
267
268 PR middle-end/16585
269 * cfgbuild.c (make_edges): Do not clear or set
270 current_function_has_computed_jump.
271 * function.h (struct function): Remove the has_computed_jump field.
272 (current_function_has_computed_jump): Do not define.
273 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
274 in a computed jump. Ignore current_function_has_computed_jump.
275
276 2005-01-26 Richard Henderson <rth@redhat.com>
277
278 PR middle-end/19515
279 * expr.c (categorize_ctor_elements): New argument p_must_clear.
280 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
281 fully initialized.
282 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
283 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
284 objects into static storage if they have more than one non-zero value.
285 * tree.h (categorize_ctor_elements): Update decl.
286
287 2005-01-26 Steven Bosscher <stevenb@suse.de>
288
289 PR middle-end/19616
290 * tree.h (CALL_EXPR_TAILCALL): Add comment.
291 * calls.c (check_sibcall_argument_overlap_1): Revert the change
292 to this function from 2004-07-10.
293 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
294 the current function for tail call optimizations if the address
295 of one of it its arguments is taken.
296
297 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
298
299 * cse.c (fold_rtx): Call equiv_constant only when necessary.
300
301 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
302
303 * function.c (expand_function_end): If current_function_calls_alloca,
304 emit stack restore in a place that is reached when the function falls
305 through at the end.
306
307 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
308
309 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
310 rule to avoid matching inappropriate suffix rule.
311
312 2005-01-26 Jan Hubicka <jh@suse.cz>
313
314 PR tree-optimization/19241
315 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
316
317 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
318
319 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
320 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
321 of doubling.
322 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
323 <sim*>: Always use crt1.o, regardless of N in simN.
324 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
325 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
326 (CRT_CALL_STATIC_FUNCTION): Remove.
327 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
328 use crt1.o, regardless of N in simN.
329 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
330 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
331 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
332 case isystem setting.
333 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
334
335 2005-01-25 Ian Lance Taylor <ian@airs.com>
336
337 * gimple-low.c (block_may_fallthru): Correct handling of
338 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
339
340 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
341
342 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
343 handlers to match indentation; nested under the mtune=* handler.
344 Similar for mcpu= and march=.
345
346 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
347
348 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
349 * config/mips/linux64.h (LIB_SPEC): Likewise.
350 * config/mn10300/linux.h (LIB_SPEC): Likewise.
351 * config/sh/linux.h (LIB_SPEC): Likewise.
352
353 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
354
355 * config/frv/frv.c (frv_legitimize_tls_address): New.
356 (TARGET_HAVE_TLS): Define.
357 (FRV_SYMBOL_REF_TLS_P): Define.
358 (frv_override_options): Handle new register classes.
359 (frv_legitimate_address_p): Reject tls addresses.
360 (frv_legitimize_address): Handle TLS addresses.
361 (gen_inlined_tls_plt): New.
362 (gen_tlsmoff): New.
363 (frv_legitimize_tls_address): New.
364 (unspec_got_name): Add TLS entries.
365 (got12_operand): Add R_FRV_TLSMOFF12 case.
366 (frv_emit_move): Fixup TLS addresses.
367 (frv_emit_movsi): Legitimize TLS addresses.
368
369 * config/frv/frv.h (MASK_BIG_TLS): New.
370 (TARGET_BIG_TLS): New.
371 (HAVE_AS_TLS): Define.
372 (TARGET_SWITCHES): Add -mTLS and -mtls options.
373 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
374 (REG_CLASS_NAMES): Same.
375 (REG_CLASS_CONTENTS): Same.
376 (CONSTRAINT_LEN): New.
377 (REG_CLASS_FROM_CONSTRAINT): New.
378 (PREDICATE_CODES): Add symbolic_operand.
379
380 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
381 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
382 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
383 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
384 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
385 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
386 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
387 GR9_REG, GR14_REG, LRREG.
388 (type): Add load_or_call attribute.
389 ("load_or_call"): New reservation.
390 ("call_gettlsoff"): New.
391 ("tls_indirect_call"): New.
392 ("tls_load_gottlsoff12"): New.
393 ("tlsoff_hilo"): New.
394 ("tls_tlsdesc_ldd"): New.
395 ("tls_tlsoff_ld"): New.
396 ("tls_lddi"): New.
397
398 * config/frv/frv-protos.h (symbolic_operand): Protoize.
399
400 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
401
402 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
403 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
404 * config/frv/frv.c (TLS_BIAS): Define.
405 (frv_output_dwarf_dtprel): New.
406
407 2005-01-26 Jakub Jelinek <jakub@redhat.com>
408
409 PR rtl-optimization/19579
410 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
411 both A and B, see if they don't clobber registers the other expr uses.
412
413 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
414
415 * real.c (do_add): Initialize signalling and canonical members.
416
417 * real.c (real_from_integer): Zero out destination.
418
419 2005-01-18 Jan Hubicka <jh@suse.cz>
420
421 PR tree-optimize/19337
422 * tree-inline.c (initialize_inlined_parameters): Copy
423 saved_static_chain_decl only.
424
425 2005-01-25 Richard Henderson <rth@redhat.com>
426
427 PR target/19556
428 PR target/19584
429 * config/i386/i386.c (x86_inter_unit_moves): Zero.
430 (ix86_preferred_reload_class): Rewrite fp-constant section, with
431 80387 enabled, to return a proper subclass. Return the subset that
432 overlaps with GENERAL_REGS for PLUS.
433 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
434
435 2005-01-25 Richard Henderson <rth@redhat.com>
436
437 PR middle-end/19609
438 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
439
440 2005-01-25 Roger Sayle <roger@eyesopen.com>
441
442 * expmed.c (choose_multiplier): Change interface to return the
443 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
444 (expand_divmod): Update calls to choose_multiplier.
445
446 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
447
448 PR middle-end/19330
449 * expmed.c (extract_bit_field): Use adjust_address instead of
450 gen_lowpart when op0 is a MEM.
451
452 2005-01-24 Steven Bosscher <stevenb@suse.de>
453
454 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
455
456 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
457
458 * config/mips/irix-csr.c: New file.
459 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
460 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
461 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
462 executables.
463
464 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
465
466 PR bootstrap/19364
467 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
468 sparc/elf.h, add sparc/sp-elf.h.
469 (sparc-*-rtems*): Likewise.
470 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
471 tm-dwarf2.h, add sparc/sp-elf.h.
472 (sparc86x-*-elf): Likewise.
473 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
474 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
475 TARGET_OS_CPP_BUILTINS.
476 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
477 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
478 Undefine it.
479 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
480 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
481 (SWITCH_TAKES_ARG): Likewise.
482 (LOCAL_LABEL_PREFIX): Likewise.
483 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
484 (TARGET_N_FORMAT_TYPES): Delete.
485 (TARGET_FORMAT_TYPES): Likewise.
486 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
487 * config/sparc/elf.h: Delete.
488 * config/sparc/sp-elf.h: New file.
489
490 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
491
492 * tree-flow-inline.h (phi_arg_from_edge): Remove.
493 * tree-flow.h: Remove the corresponding prototype.
494 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
495 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
496
497 2005-01-24 Jakub Jelinek <jakub@redhat.com>
498
499 PR target/17751
500 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
501 for AIX ABI or ELF -fPIC.
502 (rs6000_emit_load_toc_table): Don't create toc_section here.
503 (rs6000_xcoff_file_start): Nor here.
504
505 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
506
507 * sh.c (ra.h): Don't #include.
508 (hard_regs_intersect_p): New function, resurrected from ra.c.
509
510 * sh.c: Fix 1996 Copyright.
511
512 2005-01-24 Richard Henderson <rth@redhat.com>
513 Aldy Hernandez <aldyh@redhat.com>
514
515 * regrename.c (note_sets): Handle subregs.
516
517 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
518
519 PR bootstrap/18058
520 * genconditions.c (write_header, write_conditions): Elide file if
521 not GCC >= 3.0.1.
522
523 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
524
525 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
526 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
527 Update copyright.
528
529 2005-01-24 Jakub Jelinek <jakub@redhat.com>
530
531 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
532 expand_builtin_printf, expand_builtin_fprintf,
533 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
534 checking against POINTER_TYPE.
535 (validate_arglist): Handle POINTER_TYPE code by checking
536 POINTER_TYPE_P.
537
538 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
539
540 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
541 init_rtlanal): New.
542 (for_each_rtx): Call for_each_rtx_1.
543 * rtl.h (init_rtlanal): Declare.
544 * toplev.c (backend_init): Call init_rtlanal.
545
546 2005-01-24 Jakub Jelinek <jakub@redhat.com>
547
548 * flow.c (propagate_one_insn): Formatting.
549
550 PR middle-end/19551
551 * flow.c (libcall_dead_p): Be more conservative if unsure.
552 If there are any instructions between insn and call, see if they are
553 all dead before saying the libcall is dead.
554
555 2005-01-24 Uros Bizjak <uros@kss-loka.si>
556
557 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
558 operand constraint for operand 0.
559
560 2005-01-23 Richard Henderson <rth@redhat.com>
561
562 PR 19486
563 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
564 edges leading to join block.
565
566 2005-01-23 Roger Sayle <roger@eyesopen.com>
567
568 * expmed.c (expand_mult_highpart): Make static. Change type of
569 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
570 (expand_divmod): Updates calls to expand_mult_highpart by using
571 gen_int_mode to pass a CONST_INT rtx.
572 * rtl.h (expand_mult_highpart): Remove prototype.
573
574 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
575
576 * flow.c (regset_bytes, regset_size): Remove.
577
578 * cfganal.c: Fix a reference to Harvey's paper.
579
580 2005-01-23 Steven Bosscher <stevenb@suse.de>
581
582 PR rtl-optimization/19464
583 * tree-optimize.c (init_tree_optimization_passes): Add one more
584 copyrename pass just before out-of-ssa.
585
586 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
587
588 PR bootstrap/18058
589 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
590 * ggc-none.c (ggc_free): Define.
591
592 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
593
594 * cse.c (max_reg, max_insn_uid): Remove.
595 (cse_main): Don't access max_reg or max_insn_uid.
596
597 * c-common.c (explicit_flag_signed_bitfields,
598 lang_statement_code_p, lang_expand_function_end): Remove.
599 * c-common.h: Remove the corresponding declarations.
600 * c-opts.c (c_common_handle_option): Remove all write access
601 to explicit_flag_signed_bitfields.
602
603 * cgraph.c (cgraph_varpool_n_nodes): Remove.
604 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
605 * cgraph.h: Remove the corresponding declaration.
606
607 * gcse.c (null_pointer_info): Remove.
608
609 2005-01-23 Roger Sayle <roger@eyesopen.com>
610 Eric Botcazou <ebotcazou@libertysurf.fr>
611
612 * combine.c (simplify_logical): Only simplify logical expressions
613 of the form ior(and(x,y),z) by the inverse distributive law if the
614 result is cheaper than the original.
615
616 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
617
618 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
619 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
620 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
621 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
622 config/freebsd-spec.h, config/arm/arm.h,
623 config/h8300/h8300.md, config/i386/i386.md,
624 config/i386/predicates.md, config/i386/sse.md,
625 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
626 config/vax/vax.md: Fix comment typos. Follow spelling
627 conventions.
628
629 2005-01-23 Steven Bosscher <stevenb@suse.de>
630
631 * gengtype.c (walk_type): Produce `not equal to' compares for loop
632 tests, instead of `less than'.
633
634 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
635
636 * function.c (assign_parm_setup_block): When creating a new stack slot
637 for a parameter, get its alignment from the parameter's DECL_ALIGN
638 rather than the type's TYPE_ALIGN. Make sure that the parameter
639 is at least word aligned.
640
641 2005-01-22 Roger Sayle <roger@eyesopen.com>
642
643 PR middle-end/19378
644 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
645
646 2005-01-22 Richard Henderson <rth@redhat.com>
647
648 PR target/19506
649 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
650 in both compare operands.
651 (movdfcc_1_sse_max): Likewise.
652 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
653 (movdfcc_1_sse): Likewise.
654 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
655 scratch register as needed.
656
657 2005-01-22 Richard Henderson <rth@redhat.com>
658
659 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
660
661 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
662
663 2005-01-22 Richard Henderson <rth@redhat.com>
664
665 * genopinit.c (optabs): Use smin/smax for floating point too.
666 * doc/md.texi: Update to match. Clarify that floating point
667 results are undefined for +0/-0 and NaN.
668 * doc/rtl.texi: Likewise.
669 * rtl.def (SMIN, SMAX): Likewise
670 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
671
672 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
673 leading 's' to the name.
674 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
675 smaxxf3, sminxf3): Likewise.
676 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
677 Likewise.
678
679 2005-01-22 Paul Brook <paul@codesourcery.com>
680
681 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
682
683 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
684
685 * config/s390/s390.c (struct processor_costs): New fields
686 dlgr, dlr, dr, dsgfr, dsgr.
687 (z900_cost, z990_cost): Values for new fields.
688 (s390_rtx_costs): New cases MEM und COMPARE in switch
689 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
690 DIV, MOD, UDIV, UMOD.
691
692 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
693
694 * config/s390/s390.md ("doloop_si64"): Reload input value directly
695 into the register being decremented.
696 ("doloop_si31", "doloop_di"): Likewise.
697 ("*doloop_si_long"): Adapt pattern.
698
699 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
700
701 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
702 access registers.
703 (CLASS_MAX_NREGS): Likewise.
704
705 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
706
707 * doc/tree-ssa.texi (Statement Operands): Add example for new
708 must-def macro. Note deprecation of old operands interface.
709
710 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
711
712 PR tree-optimization/19484
713 * tree-cfg.c (remove_fallthru_edge): New function.
714 (cleanup_control_flow): Remove fallthru edges from calls that are
715 now known not to return.
716
717 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
718
719 Fix PR tree-optimization/19038
720 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
721 copies with loop variant ones.
722
723 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
724
725 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
726 config/alpha/alpha-protos.h, config/alpha/alpha.h,
727 config/alpha/alpha.md, config/alpha/predicates.md,
728 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
729 config/sparc/sol2.h: Update copyright.
730
731 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
732 first label to see if it is a nonlocal label.
733
734 2005-01-22 David Edelsohn <edelsohn@gnu.org>
735 Andrew Pinski <pinskia@physics.uc.edu>
736
737 PR target/19491
738 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
739 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
740
741 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
742
743 * config/rs6000/rtems.h: Update copyright.
744
745 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
746
747 PR target/19548
748 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
749 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
750 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
751
752 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
753
754 PR c/18809
755 * c-typeck.c (convert_arguments): Check for error_mark_node.
756
757 2005-01-21 Ian Lance Taylor <ian@airs.com>
758
759 PR tree-optimization/13000
760 * tree-inline.c: Include "tree-flow.h".
761 (expand_call_inline): If warn_return_type, warn if non-void inline
762 function falls through.
763 * tree-cfg.c (execute_warn_function_return): Don't warn about
764 control reaching end if TREE_NO_WARNING is set. Set
765 TREE_NO_WARNING.
766 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
767 has been lowered.
768 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
769 branch if we don't need one.
770 * c-typeck.c: Include "tree-flow.h"
771 (c_finish_bc_stmt): Don't add a goto if the current statement
772 list doesn't fall through to the current point.
773
774 2005-01-21 Roger Sayle <roger@eyesopen.com>
775
776 PR rtl-optimization/576
777 * real.c (real_arithmetic): Change return type from void to bool
778 to return an indication that the result may be inexact.
779 * real.h (real_arithmeric): Update prototype.
780 * fold-const.c (const_binop): Don't constant fold floating
781 point expressions when the user specifies -frounding-math and
782 the result may depend upon the run-time rounding mode.
783 (fold_convert_const_real_from_real): Clean-up.
784 (fold_initializer): Ignore flag_rounding_math for initializers.
785 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
786 constant fold FP operations with flag_rounding_math if the
787 result may depend upon the run-time rounding mode.
788
789 2005-01-21 Tom Tromey <tromey@redhat.com>
790
791 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
792
793 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
794
795 * tree-cfg.c: Fix comment typos.
796
797 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
798
799 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
800 around the call to rest_of_handle_branch_target_load_optimize.
801
802 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
803
804 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
805 (sparc64-*-openbsd*): Likewise.
806 (sparclite-*-elf*): Include tm-dwarf2.h.
807 (sparc86x-*-elf*): Likewise.
808 (sparc64-*-elf*): Likewise.
809 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
810 (DBX_DEBUGGING_INFO): Likewise.
811 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
812 (PREFERRED_DEBUGGING_TYPE): Likewise.
813 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
814 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
815 (PREFERRED_DEBUGGING_TYPE): Likewise.
816 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
817 (PREFERRED_DEBUGGING_TYPE): Likewise.
818 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
819
820 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
821
822 PR target/18701
823 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
824
825 2005-01-20 Paul Brook <paul@codesourcery.com>
826
827 * doc/rtl.texi: Document value extension requirements for CONST_INT.
828
829 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
830
831 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
832 label is first in a sequence of labels.
833
834 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
835
836 2005-01-20 Janis Johnson <janis187@us.ibm.com>
837 Giovanni Bajo <giovannibajo@gcc.gnu.org>
838
839 * doc/sourcebuild.texi (Test Directives): New.
840
841 2005-01-20 Roger Sayle <roger@eyesopen.com>
842
843 * real.c (real_floor): Don't leave the result uninitialized when
844 mode is VOIDMode, but return the unrounded intermediate value.
845 (real_ceil): Likewise.
846
847 2005-01-20 Paul Brook <paul@codesourcery.com>
848
849 * config/arm/arm.md (insv): Use gen_int_mode.
850
851 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
852
853 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
854 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
855 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
856 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
857 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
858
859 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
860
861 Fix PR debug/19124
862 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
863 fbreg, so we have to assume we can't.
864 (loc_descriptor_from_tree_1): Ditto.
865 (containing_function_has_frame_base): New function.
866 (add_location_or_const_value_attribute): Use it.
867 Also try to generate a frame_base from a single element location
868 list.
869
870 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
871
872 PR tree-optimization/15349
873 * timevar.def (TV_TREE_MERGE_PHI): New.
874 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
875 PHI_WANTED.
876 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
877 calls to tree_forwarder_block_p.
878 (remove_forwarder_block_with_phi, merge_phi_nodes,
879 gate_merge_phi, pass_merge_phi): New.
880 * tree-optimize.c (init_tree_optimization_passes): Add
881 pass_merge_phi.
882 * tree-pass.h: Add an extern for pass_merge_phi;
883
884 2005-01-20 Richard Henderson <rth@redhat.com>
885
886 PR target/19418
887 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
888 (_mm_castps_pd, _mm_castps_si128): New.
889 (_mm_castsi128_ps, _mm_castsi128_pd): New.
890
891 2005-01-20 Richard Henderson <rth@redhat.com>
892
893 PR target/19530
894 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
895 __builtin_ia32_vec_init_v2si.
896 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
897 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
898 (ix86_init_mmx_sse_builtins): Create it.
899 (ix86_expand_builtin): Expand it.
900 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
901 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
902 (vec_extractv2si_0, vec_extractv2si_1): New.
903
904 2005-01-20 Richard Henderson <rth@redhat.com>
905
906 PR target/16533
907 * config/i386/i386.c (ix86_expand_push): New.
908 * config/i386/mmx.md (push<MMXMODE>1): New.
909 * config/i386/sse.md (push<SSEMODE>1): New.
910 * config/i386/i386-protos.h: Update.
911
912 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
913
914 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
915 copyright.
916
917 2005-01-20 Richard Henderson <rth@redhat.com>
918
919 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
920 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
921
922 2005-01-19 Richard Henderson <rth@redhat.com>
923
924 PR target/19350
925 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
926 to V4SFmode in SSE1 fallback load path.
927
928 2005-01-19 Richard Henderson <rth@redhat.com>
929
930 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
931 in QImode expansion to ix86_expand_vector_set.
932 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
933
934 2005-01-19 Richard Henderson <rth@redhat.com>
935
936 PR target/19511
937 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
938 subclass of the input class.
939 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
940 Always true for cross-SSE1 classes. Rationalize conditionals.
941 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
942 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
943 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
944 (movdi_2): Add MMX/SSE zeros.
945 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
946 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
947 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
948 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
949 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
950 (zero_extendsidi2_rex64_1): Remove.
951 (MOV0 peephole): Check GENERAL_REG_P.
952
953 2005-01-19 Richard Henderson <rth@redhat.com>
954
955 PR target/19427
956 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
957 shufps elements.
958 (ix86_expand_vector_extract): Likewise.
959
960 2005-01-19 Richard Henderson <rth@redhat.com>
961
962 PR middle-end/19304
963 * expr.c (emit_move_change_mode): New argument force; use
964 simplify_gen_subreg if true.
965 (emit_move_via_alt_mode): Merge into ...
966 (emit_move_via_integer): ... here.
967 (emit_move_ccmode): Use emit_move_change_mode directly.
968
969 2005-01-19 Richard Henderson <rth@redhat.com>
970
971 PR target/19518
972 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
973 (alpha_preferred_reload_class): Handle CONST_VECTOR.
974 (alpha_emit_set_const_1): Add no_output parameter; don't emit
975 rtl if true.
976 (alpha_emit_set_const): Likewise. Make static.
977 (alpha_emit_set_long_const): Make static.
978 (alpha_extract_integer): Split out from alpha_expand_mov.
979 (alpha_split_const_mov): Likewise.
980 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
981 (alpha_legitimate_constant_p): New.
982 * config/alpha/alpha-protos.h: Update.
983 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
984 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
985 * config/alpha/alpha.md (movsi): Add n alternative.
986 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
987 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
988 (splitters for all of the above): Use alpha_split_const_mov.
989 * config/alpha/predicates.md (non_add_const_operand): New.
990 (non_zero_const_operand): New.
991 (input_operand): Use alpha_legitimate_constant_p after reload.
992
993 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
994
995 PR tree-optimization/19038
996 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
997 (add_candidate): Add ivs with increment in latch only if
998 allow_ip_end_pos_p is true.
999 (determine_iv_cost): Use empty_block_p.
1000
1001 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
1002
1003 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
1004 (compute_dominance_frontiers): Ditto.
1005
1006 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
1007
1008 PR target/19529
1009 * config/sh/t-rtems: New.
1010 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
1011
1012 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
1013
1014 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
1015 the offset of the selected field.
1016
1017 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
1018
1019 * tree-cfg.c (remove_forwarder_block): Fix the check to
1020 prevent a nonlocal label from appearing in the middle of a
1021 basic block.
1022
1023 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
1024
1025 PR rtl-optimization/19462
1026 * reorg.c (find_end_label): Create return insn only if
1027 current_function_epilogue_delay_list is empty.
1028
1029 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
1030
1031 * doc/passes.texi: Remove paragraph mentioning new-ra.
1032
1033 2005-01-19 Jakub Jelinek <jakub@redhat.com>
1034
1035 PR rtl-optimization/15139
1036 * combine.c: Include params.h.
1037 (count_rtxs): New function.
1038 (record_value_for_reg): If replace_rtx would replace at least
1039 2 occurrences of REG in VALUE and TEM is really large, replace REG with
1040 (clobber (const_int 0)) instead of TEM.
1041 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
1042 * params.h (MAX_LAST_VALUE_RTL): New.
1043 * Makefile.in (combine.o): Depend on $(PARAMS_H).
1044 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
1045
1046 PR c/17297
1047 * c-typeck.c (digest_init): Only call build_vector if all constructor
1048 elements are *_CST nodes.
1049 * gimplify.c (gimplify_init_constructor): Likewise.
1050
1051 PR middle-end/19164
1052 * c-typeck.c (digest_init): Only call build_vector if inside_init
1053 is a CONSTRUCTOR.
1054
1055 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1056
1057 * toplev.c (init_asm_output): Remove dead #ifdef.
1058
1059 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
1060
1061 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
1062
1063 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
1064
1065 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
1066 accessing DECL_FUNCTION_CODE.
1067 * dojump.c (do_jump): Likewise.
1068 * gimplify.c (gimplify_call_expr): Likewise.
1069 * predict.c (expr_expected_value): Likewise.
1070 (strip_builtin_expect): Likewise.
1071 * tree-inline.c (estimate_num_insns_1): Likewise.
1072 * tree-ssa-loop-im.c (stmt_cost): Likewise
1073 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
1074 (tree_expr_nonnegative_p): Likewise.
1075
1076 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
1077
1078 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
1079 variant of the load_pcrel_sym pattern.
1080 * config/sparc/sparc.md (P macro): Move to the top.
1081 (load_pcrel_sym): Macroize using P.
1082 (save_register_window): Likewise.
1083
1084 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
1085
1086 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
1087 ("sordered"): Same.
1088
1089 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1090
1091 PR C/19472
1092 * c-typeck.c (build_asm_expr): Strip nops off
1093 input memory operands.
1094
1095 2005-01-18 David Edelsohn <edelsohn@gnu.org>
1096
1097 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
1098 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
1099 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
1100 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
1101
1102 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
1103
1104 PR target/19379
1105 * config/i386/i386.c (override_options): If the 80387 is disabled,
1106 then do not return FP values using FP registers.
1107
1108 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
1109
1110 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
1111 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
1112 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
1113 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
1114 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
1115 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
1116 output.h, postreload-gcse.c, postreload.c, recog.c,
1117 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
1118 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
1119 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
1120 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
1121 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
1122 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
1123 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
1124 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
1125
1126 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
1127 config/alpha/alpha.c, config/arm/vfp.md,
1128 config/i386/emmintrin.h, config/i386/i386-modes.def,
1129 config/i386/i386-protos.h, config/i386/i386.h,
1130 config/i386/pmmintrin.h, config/i386/ppro.md,
1131 config/i386/predicates.md, config/i386/xmmintrin.h,
1132 config/i860/i860.c, config/ia64/ia64-modes.def,
1133 config/ia64/ia64-protos.h, config/ia64/ia64.h,
1134 config/ia64/ia64.md, config/ia64/itanium1.md,
1135 config/ia64/itanium2.md, config/ia64/predicates.md,
1136 config/iq2000/iq2000.h, config/mips/linux64.h,
1137 config/rs6000/aix41.h, config/rs6000/aix43.h,
1138 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
1139 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1140 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
1141 config/sparc/linux64.h, config/sparc/litecoff.h,
1142 config/sparc/sp64-elf.h, config/sparc/sparc.c,
1143 config/sparc/sparc.h, config/sparc/sparc.md,
1144 config/sparc/sysv4-only.h: Update copyright.
1145
1146 2005-01-18 Richard Henderson <rth@redhat.com>
1147
1148 PR target/19496
1149 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
1150
1151 2005-01-18 Marc Espie <espie@openbsd.org>
1152 * config/i386/openbsdelf.h: Typo.
1153
1154 2005-01-18 Richard Henderson <rth@redhat.com>
1155
1156 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
1157 special case for sse.
1158 * config/i386/predicates.md (sse_comparison_operator): Likewise.
1159
1160 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
1161
1162 * tree-inline.c (estimate_num_insns_1): Added cases for
1163 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
1164
1165 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
1166
1167 PR rtl-optimization/19296
1168 * combine.c (simplify_comparison): Rewrite the condition under
1169 which a non-paradoxical SUBREG of a PLUS can be lifted when
1170 compared against a constant.
1171
1172 2005-01-18 Andi Kleen <ak@muc.de>
1173
1174 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
1175 * c.opt (-Wpointer-sign): Add.
1176 * doc/invoke.texi: (-Wpointer-sign): Add.
1177
1178 2005-01-18 Uros Bizjak <uros@kss-loka.si>
1179
1180 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
1181 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
1182 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
1183 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
1184 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
1185 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
1186 for TARGET_MIX_SSE_I387.
1187 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
1188 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
1189 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
1190 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
1191 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
1192 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
1193 TARGET_MIX_SSE_I387.
1194 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
1195 from expander.
1196
1197 2005-01-18 Uros Bizjak <uros@kss-loka.si>
1198
1199 PR target/19424
1200 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
1201 Add movaps alternative for xmm reg->reg move.
1202
1203 2005-01-17 Jeff Law <law@redhat.com>
1204
1205 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
1206 at the end of the main DOM loop rather than just before DOM exits.
1207
1208 2005-01-17 Diego Novillo <dnovillo@redhat.com>
1209
1210 PR tree-optimization/19121
1211 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
1212 adding aliases to a name tag, also add them to the pointer's
1213 type tag.
1214 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
1215 sensitive alias info at all. Only check that the two pointers
1216 have compatible pointed-to sets.
1217 * tree-ssa.c (verify_name_tags): Verify that the alias set of
1218 a pointer's type tag is a superset of the alias set of the
1219 pointer's name tag.
1220
1221 2005-01-17 James E Wilson <wilson@specifixinc.com>
1222
1223 PR target/19357
1224 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
1225 comment to document why.
1226
1227 2005-01-17 Richard Henderson <rth@redhat.com>
1228
1229 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
1230 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
1231 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
1232 sse2_vmsminv2df3_finite): New.
1233 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
1234 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
1235 Force op1 into register.
1236
1237 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
1238
1239 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
1240 bubblestrap from always rebuilding build directory.
1241
1242 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
1243
1244 * config/s390/s390.md ("*clc"): Remove incorrect '='.
1245 ("*cmpmem_short"): Likewise.
1246
1247 2005-01-17 Steven Bosscher <stevenb@suse.de>
1248
1249 * basic-block.h: Document BB_* flags.
1250 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
1251 use an sbitmap instead.
1252 * sched-rgn.c (compute_trg_info): Likewise.
1253
1254 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
1255
1256 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
1257 redundant target_cpu_default and extra_parts lines. Use the default
1258 "from-abi" ISA.
1259 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
1260 (SUBTARGET_EXTRA_SPECS): Delete.
1261 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
1262 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
1263 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
1264 and "n32" for -mabi=n32.
1265
1266 2005-01-17 Ian Lance Taylor <ian@airs.com>
1267
1268 PR c/5675
1269 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
1270 fold constant variables into initial values.
1271
1272 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
1273
1274 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
1275
1276 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
1277 through the statements backward.
1278
1279 2005-01-17 Ian Lance Taylor <ian@airs.com>
1280
1281 PR middle-end/13127:
1282 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
1283 a variable set to the return value of the inlined function.
1284
1285 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
1286
1287 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
1288 when modes are tieable.
1289
1290 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
1291
1292 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
1293 of pthread_create to find out if threads are enabled.
1294 * gthr-posix95.h (__gthread_active_p): Likewise.
1295
1296 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
1297
1298 * common.opt (-fnew-ra): Remove.
1299 * ra*.*: Remove.
1300 * toplev.h (flag_new_regalloc): Remove.
1301 * Makefile.in (ra*.*): Don't mention.
1302 * passes.c (rest_of_handle_new_regalloc): Remove.
1303 (rest_of_handle_combine, rest_of_compilation): Always consider
1304 flag_new_regalloc as false.
1305 * doc/invoke.texi: Don't document -fnew-ra.
1306
1307 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
1308
1309 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
1310 last parameter to reg_scan.
1311 * loop.c (loop_optimize): Likewise.
1312 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
1313 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
1314 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
1315 rest_of_handle_gcse, rest_of_handle_loop_optimize,
1316 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
1317 * regclass.c (reg_scan): Likewise, for the declaration.
1318 * rtl.h (reg_scan): Likewise, for the prototype.
1319
1320 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
1321
1322 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
1323 mark_dfs_back_edges.
1324
1325 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
1326
1327 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
1328 (compute_avail): Uses don't go in tmp_gen.
1329
1330 2005-01-16 Steven Bosscher <stevenb@suse.de>
1331
1332 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
1333 loop to look for a free slot in a page entry.
1334
1335 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1336
1337 PR target/16304
1338 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
1339 * toplev.c (compile_file): Call process_pending_assemble_output_defs
1340 just before targetm.asm_out.file_end.
1341 * tree.h (process_pending_assemble_output_defs): Declare.
1342 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
1343 New functions.
1344 (assemble_alias): Defer generation of assembly code for defines when
1345 TARGET_DEFERRED_OUTPUT_DEFS is true.
1346 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1347 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1348 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
1349
1350 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1351
1352 PR target/19336
1353 * pa.c (pa_scalar_mode_supported_p): New function.
1354 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1355 * pa.h (MIN_UNITS_PER_WORD): Add comment.
1356
1357 * pa-protos.h (prefetch_operand): Delete.
1358 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
1359 * pa.c (prefetch_operand): Delete.
1360 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
1361 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
1362 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
1363 and prefetch_nocc_operand.
1364 * pa.md (prefetch): Rework to avoid reload problems handling short
1365 displacements when a cache control completer needs to be provided.
1366 (prefetch_32, prefetch_64): Delete.
1367 (prefetch_cc, prefetch_nocc): New patterns.
1368
1369 2005-01-15 David Edelsohn <edelsohn@gnu.org>
1370
1371 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
1372
1373 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1374
1375 PR ada/19388
1376 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
1377 exceeds maximum alignment for global common data.
1378 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
1379 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
1380
1381 2004-01-15 Roger Sayle <roger@eyesopen.com>
1382
1383 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
1384
1385 2004-01-15 Roger Sayle <roger@eyesopen.com>
1386
1387 * harg-reg-set.h (reg_class_names): Prototype global array.
1388 * regclass.c (reg_class_names): Declare here and initialize to
1389 REG_CLASS_NAMES.
1390 (dump_regclass): Remove local declaration of reg_class_names.
1391 (regclass): Likewise.
1392 * cfg.c (dump_flow_info): Likewise.
1393 * ra-debug.c (reg_class_names): Likewise.
1394 * regrename.c (reg_class_names): Likewise.
1395 * reload.c (reg_class_names): Likewise.
1396 * reload1.c (spill_failure): Likewise.
1397 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
1398
1399 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
1400
1401 * config/s390/s390.md ("reload_outti"): Remove predicate for
1402 output operand. Abort if operand is not a MEM.
1403 ("reload_outdi", "reload_outdf"): Likewise.
1404
1405 2005-01-15 Marc Espie <espie@openbsd.org>
1406
1407 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
1408 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
1409 * config/openbsd.h: Fix C++ includes for native configurations.
1410 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
1411 Add trampoline support.
1412 * config/i386/openbsdelf.h: New.
1413
1414 2005-01-15 Marc Espie <espie@openbsd.org>
1415
1416 * collect2.c (main): Explicitly parse -dynamic-linker option.
1417
1418 2005-01-15 Jakub Jelinek <jakub@redhat.com>
1419
1420 PR tree-optimization/19060
1421 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
1422 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
1423 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
1424 and handle extract_range_from_cond returning false.
1425 * fold-const.c (fold): Optimize comparisons with min/max even for
1426 width > HOST_BITS_PER_WIDE_INT.
1427
1428 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
1429
1430 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
1431 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
1432 Remove little endian multilib variants.
1433 Add mips32 multilib variant.
1434
1435 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
1436
1437 * explow.c (copy_all_reg, stabilize): Remove.
1438 * expr.h: Remove the corresponding prototypes.
1439
1440 * rtlanal.c (regs_set_between_p): Remove.
1441 * rtl.h: Remove the corresponding prototype.
1442
1443 2005-01-14 David Edelsohn <edelsohn@gnu.org>
1444
1445 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
1446 to rs6000_nonimmediate_operand.
1447 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
1448 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
1449 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
1450 rs6000_nonimmediate_operand.
1451 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
1452 rs6000_nonimmediate_operand.
1453
1454 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
1455
1456 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
1457
1458 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
1459
1460 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
1461 on e500v2.
1462 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
1463 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
1464
1465 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
1466 (rs6k_nonimmediate_operand): New.
1467 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
1468 correctly.
1469 (legitimate_lo_sum_address_p): Same.
1470 (rs6000_legitimize_address): Same.
1471 (rs6000_legitimize_reload_address): Same.
1472 (rs6000_legitimate_address): Same.
1473 (spe_build_register_parallel): Pass DF and DC modes in a DI
1474 register.
1475
1476 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
1477 to rs6k_nonimmediate_operand.
1478
1479 * config/rs6000/spe.md ("*frob_df_di"): New.
1480 ("*frob_di_df"): New.
1481 ("*frob_di_df_2"): New.
1482 ("*mov_sidf_e500_subreg0"): New.
1483 ("*mov_sidf_e500_subreg4"): New.
1484 ("*movdf_e500_double"): Change predicate to
1485 rs6k_nonimmediate_operand.
1486
1487 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
1488
1489 * postreload.c (move2add_note_store): Only call
1490 trunc_int_for_mode on scalar integers.
1491
1492 2005-01-14 Steven Bosscher <stevenb@suse.de>
1493
1494 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
1495 replace BB_VISITED uses.
1496 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
1497 (propagate_necessity): Check the bitmap instead of BB_VISITED.
1498 (tree_dce_done): Free visited_control_parents.
1499 (perform_tree_ssa_dce): Allocate and clear it.
1500 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
1501 (compute_antic): Iterate from here using a DFS. Use an sbitmap
1502 instead of BB_VISITED.
1503
1504 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
1505
1506 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
1507 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
1508 Remove unused prototypes.
1509
1510 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
1511
1512 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
1513 64-bit register usage.
1514 (spe_func_has_64bit_regs_p): Add FIXME note.
1515
1516 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
1517
1518 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
1519 flag_finite_math_only with flag_unsafe_math_optimizations.
1520
1521 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
1522
1523 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
1524 end-of-stack check.
1525 (__tpf_eh_return): Copy TPF private stack area from the module
1526 boundary stack frame. Add check for when module addresses are
1527 equal, but no stub address is found.
1528
1529 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
1530
1531 PR target/7525
1532 * arm.h (struct machine_function): Add call_via field.
1533 (thumb_call_via_label): Declare.
1534 * arm.c (thumb_call_via_label): New variable.
1535 (thumb_call_reg_needed): New variable.
1536 (arm_output_function_epilogue): For Thumb code, output any per-function
1537 call-indirect trampolines.
1538 (thumb_call_via_reg): New function.
1539 (arm_file_end): New function.
1540 (TARGET_ASM_FILE_END): Call arm_file_end.
1541 (aof_file_end): Likewise.
1542 * arm-protos.h (thumb_call_via_reg): Declare.
1543 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
1544 thumb_call_via_reg in normal case.
1545
1546 2005-01-14 Jakub Jelinek <jakub@redhat.com>
1547
1548 PR middle-end/19084
1549 PR rtl-optimization/19348
1550 * recog.c (peephole2_optimize): Do global life update if some peephole
1551 decides it doesn't need at least one of its inputs and that change
1552 influences liveness at the start of the basic block.
1553
1554 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
1555 arguments instead of 1.
1556
1557 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
1558
1559 PR middle-end/18820
1560 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
1561 zero for nested functions needing a static chain or functions
1562 with a non-constant address.
1563
1564 2005-01-13 Roger Sayle <roger@eyesopen.com>
1565
1566 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
1567 (and (sign_extend X) C) into (zero_extend (and X C)).
1568
1569 2005-01-13 David O'Brien <obrien@FreeBSD.org>
1570
1571 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
1572
1573 2005-01-13 Richard Henderson <rth@redhat.com>
1574
1575 PR target/19009
1576 PR target/19250
1577 PR target/19252
1578 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
1579 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
1580 not just TARGET_SSE.
1581 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
1582 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
1583 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
1584 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
1585 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
1586 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
1587 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
1588 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
1589 (movdicc_c_rex64): Rename with '*'.
1590 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
1591 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
1592 (movsfcc_1_387): Rename from movsfcc_1.
1593 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
1594 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
1595 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
1596 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
1597 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
1598 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
1599 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
1600 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
1601 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
1602 sse_movdfcc_const0_4): Remove.
1603 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
1604 recognize min/max early. Update for changed sse cmove patterns.
1605 (ix86_split_sse_movcc): New.
1606 * config/i386/i386-protos.h: Update.
1607
1608 2005-01-13 Steven Bosscher <stevenb@suse.de>
1609
1610 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
1611 (fix_stmt_v_may_defs): Likewise.
1612
1613 2005-01-13 Richard Henderson <rth@redhat.com>
1614
1615 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
1616 for converting the mask.
1617
1618 2005-01-13 David Edelsohn <edelsohn@gnu.org>
1619
1620 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
1621 definition to 600.
1622
1623 2005-01-13 Richard Henderson <rth@redhat.com>
1624
1625 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
1626 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
1627 IX86_BUILTIN_MOVDQ2Q): Remove.
1628 (IX86_BUILTIN_VEC_EXT_V4SI): New.
1629 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
1630 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
1631 shuffling.
1632 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
1633 (sse2_pextrw): Fix immediate constraint.
1634 (sse2_loadq, sse2_loadq_rex64): Remove.
1635 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
1636 Use __builtin_ia32_vec_ext_<size>.
1637 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
1638
1639 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
1640
1641 * function.c (assign_parm_setup_block): Look inside original
1642 entry_parm when inspecting PARALLEL.
1643
1644 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
1645 Joel Sherrill <joel@oarcorp.com>
1646
1647 PR target/19399
1648 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
1649 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
1650 rtems_gxx_recursive_mutex_init.
1651 (__gthread_recursive_mutex_lock): New function.
1652 (__gthread_recursive_mutex_trylock): Likewise.
1653 (__gthread_recursive_mutex_unlock): Likewise.
1654
1655 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
1656
1657 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
1658
1659 2005-01-13 Jan Beulich <jbeulich@novell.com>
1660
1661 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
1662 (ashrti3_internal): Indicate output is early clobber. Generate result
1663 into output rather than first input. Use move for low word of output
1664 if shift count is exactly 64.
1665 (lshrti3_internal): Likewise.
1666
1667 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
1668
1669 PR target/18329
1670 PR target/18330
1671 * reload1.c (delete_output_reload): Don't delete an output reload
1672 if the pseudo lives longer than a single basic block. Adjust and
1673 improve wording of comment.
1674
1675 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
1676
1677 PR target/19334
1678 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
1679 of TYPE_SIZE where we mean the number of bytes.
1680
1681 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
1682
1683 * function.c (assign_parm_setup_block): Relax condition on
1684 multi-register optimization.
1685
1686 2005-01-12 Nick Clifton <nickc@redhat.com>
1687
1688 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
1689 an "in_delay_slot" attribute of "no" to prevent them being used in
1690 delay slots. This is forbidden because they might generate
1691 exceptions.
1692
1693 2005-01-12 Alan Modra <amodra@bigpond.net.au>
1694
1695 PR target/19389
1696 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
1697 with r->Y and Y->r.
1698
1699 2005-01-12 Nick Clifton <nickc@redhat.com>
1700
1701 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
1702 passed on to GAS) but do not define, as GAS no longer supports or
1703 needs the -m2000 option.
1704
1705 2005-01-11 Roger Sayle <roger@eyesopen.com>
1706
1707 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
1708 type as args of unprototyped builtins aren't automatically promoted.
1709 (fold_builtin_abs): Likewise.
1710
1711 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1712
1713 * Makefile.in: Set a `build-warn' variable.
1714
1715 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
1716
1717 PR tree-optimization/17949
1718 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
1719 (find_interesting_uses_address): Use it.
1720
1721 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
1722
1723 * regrename.c (kill_value): Handle subreg's that won't simplify.
1724
1725 2005-01-11 Richard Henderson <rth@redhat.com>
1726
1727 PR target/13366
1728 * config/i386/i386.h (enum ix86_builtins): Move ...
1729 * config/i386/i386.c: ... here.
1730 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
1731 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
1732 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
1733 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
1734 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
1735 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
1736 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
1737 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
1738 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
1739 IX86_BUILTIN_LOADDDUP): Remove.
1740 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
1741 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
1742 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
1743 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
1744 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
1745 (ix86_init_builtins): Make static.
1746 (ix86_init_mmx_sse_builtins): Update for changed builtins.
1747 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
1748 if all the modes match. Otherwise, fake it.
1749 (get_element_number, ix86_expand_vec_init_builtin,
1750 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
1751 (ix86_expand_builtin): Make static. Update for changed builtins.
1752 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
1753 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
1754 (ix86_expand_vector_init_duplicate): New.
1755 (ix86_expand_vector_init_low_nonzero): New.
1756 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
1757 Split out from ix86_expand_vector_init; handle integer modes.
1758 (ix86_expand_vector_init): Use them.
1759 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
1760 * config/i386/i386-protos.h: Update.
1761 * config/i386/predicates.md (reg_or_0_operand): New.
1762 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
1763 (movv2sf_internal): Likewise. And a splitter to match them all.
1764 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
1765 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
1766 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
1767 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
1768 (mmx_pinsrw): Fix operand ordering.
1769 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
1770 rather than sse_loadss expander.
1771 (movv2df splitter): Similarly.
1772 (sse_loadss, sse_loadlss): Remove.
1773 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
1774 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
1775 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
1776 (sse3_movddup): Rename with '*'.
1777 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
1778 (sse2_loadsd): Remove.
1779 (vec_dupv2df_sse3): Rename from sse3_loadddup.
1780 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
1781 (sse2_pinsrw): Fix argument ordering.
1782 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
1783 (sse2_stored): Remove 'r' destination.
1784 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
1785 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
1786 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
1787 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
1788 vec_extractv16qi, vec_initv16qi): New.
1789
1790 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
1791 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
1792 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
1793 constructor form.
1794 (_mm_load_pd, _mm_store_pd): Use plain dereference.
1795 (_mm_load_si128, _mm_store_si128): Likewise.
1796 (_mm_load1_pd): Use _mm_set1_pd.
1797 (_mm_load_sd): Use _mm_set_sd.
1798 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
1799 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
1800 (_mm_set_epi64): Use _mm_set_epi64x.
1801 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
1802 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
1803 _mm_setr_epi8): Use _mm_set_foo form.
1804 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
1805 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
1806 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
1807 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
1808 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
1809 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
1810 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
1811 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
1812 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
1813 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
1814 (_mm_movedup_pd): Use _mm_shuffle_pd.
1815 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
1816 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
1817 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
1818 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
1819 Use _mm_setzero_ps.
1820 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
1821 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
1822 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
1823 (_mm_store_ps): Use raw dereference.
1824 (_mm_store1_ps): Use _mm_storeu_ps.
1825 (_mm_storer_ps): Use _mm_store_ps.
1826 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
1827 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
1828
1829 2005-01-11 Stan Shebs <shebs@apple.com>
1830
1831 * config/rs6000/rs6000.c (machopic_output_stub): Issue
1832 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
1833
1834 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1835
1836 PR target/18761
1837 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
1838 Skip all DECLs except for FIELD_DECLs.
1839
1840 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
1841
1842 * config/s390/s390.c (override_options): Return error if
1843 -mbackchain, -mpacked-stack and -mhard-float are used together.
1844 (s390_va_start): Remove the backchain && packed-stack special case.
1845 (s390_gimplify_va_arg): Likewise.
1846 * doc/invoke.texi: Remove the ABI incompatibility note.
1847
1848 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
1849
1850 * config/s390/s390.c (struct s390_frame_layout): Remove
1851 save_backchain_p.
1852 (s390_frame_info, s390_emit_prologue): Replace occurrences of
1853 save_backchain_p with TARGET_BACKCHAIN.
1854
1855 2005-01-11 Alan Modra <amodra@bigpond.net.au>
1856
1857 PR target/18916
1858 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
1859 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
1860 * function.c (locate_and_pad_parm): Set new field.
1861 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
1862 Tweak where_pad test to include "none". Always set mem align for
1863 stack_parm.
1864 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
1865 not sufficient for type.
1866 (assign_parm_setup_block): If stack_parm is zero on entry, always
1867 make a new stack local. Block move old stack parm if necessary
1868 to new aligned stack local.
1869 (assign_parm_setup_stack): Use a block move to handle
1870 potentially misaligned entry_parm.
1871 (assign_parms_unsplit_complex): Specify required alignment when
1872 creating stack local.
1873 * calls.c (compute_argument_addresses): Override alignment of stack
1874 arg calculated from its type with the alignment given by
1875 FUNCTION_ARG_BOUNDARY.
1876 (store_one_arg): Likewise.
1877
1878 2005-01-11 Jan Beulich <jbeulich@novell.com>
1879
1880 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
1881 Change respective itanium_class attribute to ialu.
1882 (shladdp4_internal): New.
1883 * config/ia64/predicates.md (shladd_log2_operand): New.
1884
1885 2005-01-11 Richard Henderson <rth@redhat.com>
1886
1887 * expr.c (store_constructor): Use rtvec_alloc instead of
1888 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
1889
1890 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
1891
1892 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
1893
1894 2005-01-11 Alan Modra <amodra@bigpond.net.au>
1895
1896 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
1897 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
1898 (TARGET_RWRELOC): Define.
1899 (ia64_rwreloc_section_type_flags): Delete.
1900 (ia64_section_type_flags): New function.
1901 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
1902 (TARGET_RWRELOC): Define.
1903
1904 2005-01-10 David Mosberger <davidm@hpl.hp.com>
1905
1906 PR target/18987
1907 * config/ia64/ia64.c (process_set): For alloc insn, only call
1908 process_epilogue is !frame_pointer_needed.
1909
1910 2005-01-10 Roger Sayle <roger@eyesopen.com>
1911
1912 PR c++/19355
1913 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
1914 unary operator and can't be treated as a binary/comparison operator.
1915
1916 2005-01-10 Richard Henderson <rth@redhat.com>
1917
1918 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
1919 (ix86_return_in_memory): Likewise.
1920 (function_arg_advance): Likewise. Mirror structure in function_arg
1921 for choosing register to advance.
1922
1923 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
1924
1925 * tree-vectorizer.c, tree.def: Fix comment typos.
1926
1927 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
1928
1929 * config/s390/s390.c (struct processor_costs): 4 new fields:
1930 ddbr, ddr, debr, der.
1931 (s390_rtx_costs): More precise handling of divide instructions.
1932
1933 2005-01-10 David Edelsohn <edelsohn@gnu.org>
1934
1935 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
1936
1937 2005-01-10 Jan Beulich <jbeulich@novell.com>
1938
1939 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
1940 names resulting from -ffunction-sections/-fdata-sections and linkonce
1941 ones.
1942 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
1943 based on the section name. Rearrange the section name comparison logic
1944 slightly so that each section name is compared against at most once.
1945
1946 2005-01-10 Ben Elliston <bje@au.ibm.com>
1947
1948 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
1949 targets for which -fPIC reduces limitations on the GOT size.
1950
1951 2005-01-09 Falk Hueffner <falk@debian.org>
1952
1953 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
1954 X/C1 cmpop C2.
1955
1956 2005-01-09 David Edelsohn <edelsohn@gnu.org>
1957
1958 PR target/18720
1959 * collect2.c (main): Set aixrtl_flag for -brtl option.
1960 (resolve_lib_name): Search for .so file extension before .a
1961 if aixrtl_flag set.
1962
1963 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
1964
1965 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
1966 (vect_analyze_data_refs_alignment): Add dump prints.
1967
1968 2005-01-09 Ira Rosen <irar@il.ibm.com>
1969
1970 * tree-vectorizer.c (vect_analyze_offset_expr): Use
1971 expr_invariant_in_loop_p.
1972 Initialize outputs first thing in the function.
1973 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
1974 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
1975 (vect_analyze_pointer_ref_access): Check that the initial condition of
1976 the access function is loop invariant.
1977
1978 2005-01-09 Richard Henderson <rth@redhat.com>
1979
1980 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
1981 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
1982 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
1983 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
1984 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
1985 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
1986 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
1987 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
1988 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
1989 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1990 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1991 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
1992 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
1993 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
1994 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
1995 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
1996 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1997 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1998 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
1999 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
2000 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
2001 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
2002 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
2003 mmx_ prefix.
2004 (mmx_clrdi, pavgusb): Remove.
2005 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
2006 with leading sse_ prefix.
2007 * config/i386/sse.md: Receive them.
2008 * config/i386/mmx.md: New file.
2009 (MMXMODE12, MMXMODE24, mmxvecsize): New.
2010 (subrv2sf3): Turn into expander for normal subtraction.
2011 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
2012 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
2013 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
2014 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
2015 commutative; use ix86_binary_operator_ok.
2016 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
2017 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
2018 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
2019 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
2020 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
2021 Macroize from existing patterns; use ix86_binary_operator_ok.
2022 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
2023 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
2024 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
2025 with vec_select+vec_concat.
2026 (mmx_pshufw, mmx_pshufw_1): Likewise.
2027 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
2028 (mmx_uavgv4hi3): Model correctly.
2029 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
2030 _mm_xor_si64): Remove casts.
2031
2032 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
2033
2034 PR tree-optimization/19224
2035 * tree-scalar-evolution.c (get_instantiated_value,
2036 set_instantiated_value): New functions.
2037 (instantiate_parameters_1): Cache the results.
2038 (instantiate_parameters, resolve_mixers): Initialize and free
2039 the cache.
2040
2041 2005-01-08 David Edelsohn <edelsohn@gnu.org>
2042
2043 * config/i386/i386.md (addhi_4): Correct reference in comment.
2044 (addqi_4): Same.
2045
2046 2005-01-08 Richard Henderson <rth@redhat.com>
2047
2048 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
2049 (_mm_cvtsi128_si64x): Likewise.
2050 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
2051 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
2052 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
2053 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
2054 * config/i386/i386-protos.h: Update.
2055 * config/i386/i386.c (print_operand): Add 'H'.
2056 (ix86_fixup_binary_operands): Split out from ...
2057 (ix86_expand_binary_operator): ... here.
2058 (ix86_fixup_binary_operands_no_copy): New.
2059 (ix86_expand_fp_absneg_operator): Handle vector mode results.
2060 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
2061 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
2062 (safe_vector_operand): Use CONST0_RTX.
2063 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
2064 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
2065 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
2066 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
2067 special cases.
2068 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
2069 (IX86_BUILTIN_CMPNGESS): New.
2070 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
2071 (attr type): Add sselog1.
2072 (attr unit, attr memory): Handle it.
2073 (movti, movti_internal, movti_rex64): Move near other integer moves.
2074 (movtf, movtf_internal): Move near other fp moves.
2075 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
2076 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
2077 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
2078 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
2079 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
2080 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
2081 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
2082 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
2083 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
2084 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
2085 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
2086 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
2087 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
2088 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
2089 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
2090 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
2091 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
2092 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
2093 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
2094 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
2095 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
2096 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
2097 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
2098 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
2099 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
2100 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
2101 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
2102 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
2103 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
2104 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
2105 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
2106 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
2107 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
2108 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
2109 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
2110 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
2111 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
2112 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
2113 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
2114 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
2115 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
2116 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
2117 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
2118 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
2119 same time.
2120 (SSEPUSH, push<SSEPUSH>): Remove.
2121 (MMXPUSH, push<MMXPUSH>): Remove.
2122 (sse_movaps, sse_movaps_1, sse_movups): Remove.
2123 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
2124 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
2125 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
2126 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
2127 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
2128 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
2129 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
2130 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
2131 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
2132 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
2133 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
2134 (ppro_sse_log_V4SF): Handle sselog1.
2135 * config/i386/predicates.md (const_0_to_1_operand): New.
2136 (const_0_to_255_mul_8_operand): New.
2137 (const_1_to_31_operand): Rename from const_int_1_31_operand.
2138 (const_2_to_3_operand, const_4_to_7_operand): New.
2139 * config/i386/sse.md: New file.
2140 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
2141 (sse_movups): Rename from sse_movups_1.
2142 (sse_loadlss): Rename from sse_loadss_1.
2143 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
2144 from the name.
2145 (negv4sf2): Use ix86_expand_fp_absneg_operator.
2146 (absv4sf2, negv2df, absv2df): New.
2147 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
2148 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
2149 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
2150 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
2151 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
2152 (sse3_addsubv4sf3): Model correctly.
2153 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
2154 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
2155 (sse_movhlps): Model with vec_select+vec_concat.
2156 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
2157 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
2158 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
2159 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
2160 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
2161 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
2162 sse2_pshufhw_1): Likewise.
2163 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
2164 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
2165 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
2166 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
2167 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
2168 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
2169 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
2170 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
2171 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
2172 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
2173 sminv8hi3): Mark commutative
2174 operands. Use ix86_binary_operator_ok.
2175 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
2176 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
2177 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
2178 sse2_punpcklqdq): Allow operand2 in memory.
2179 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
2180 sse2_movsd): Add memory alternatives.
2181 (sse_storelps): Turn expander into an insn; split after reload.
2182 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
2183 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
2184
2185 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2186
2187 * configure.ac (DWARF-2 debug_line): Use objdump.
2188 * configure: Regenerate.
2189
2190 2005-01-08 Jeff Law <law@redhat.com>
2191 Diego Novillo <dnovillo@redhat.com>
2192
2193 PR tree-optimization/18241
2194 * tree-nrv.c (tree_nrv): Ignore volatile return values.
2195 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
2196 statements with volatile operands.
2197 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
2198 operands after marking a statement with has_volatile_ops.
2199
2200 2005-01-08 Roger Sayle <roger@eyesopen.com>
2201
2202 * tree.c (int_fits_type_p): Always honor integer constant
2203 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
2204
2205 2005-01-08 Roger Sayle <roger@eyesopen.com>
2206
2207 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
2208 the latent bug in rtl_delete_block has been resolved.
2209
2210 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
2211
2212 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
2213 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
2214
2215 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
2216
2217 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
2218 library as @multilib_dir@/$(SHLIB_SONAME).
2219
2220 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2221
2222 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
2223 * configure: Regenerate.
2224
2225 2005-01-07 Jakub Jelinek <jakub@redhat.com>
2226
2227 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
2228 TYPE_MODE.
2229
2230 2005-01-07 David Edelsohn <edelsohn@gnu.org>
2231
2232 PR target/13674
2233 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2234 Convert non-word aligned offset address using ld/std into
2235 indirect address.
2236
2237 2005-01-07 Richard Henderson <rth@redhat.com>
2238
2239 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
2240
2241 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
2242
2243 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
2244
2245 2005-01-07 Jakub Jelinek <jakub@redhat.com>
2246
2247 PR tree-optimization/19283
2248 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
2249 is not shorter than the original type.
2250
2251 PR rtl-optimization/19012
2252 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
2253
2254 PR rtl-optimization/18861
2255 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
2256 (FULL_STATE): Define.
2257 (mark_tablejump_edge): New function.
2258 (purge_dead_tablejump_edges): New function.
2259 (find_bb_boundaries): Use it.
2260
2261 PR tree-optimization/18828
2262 * builtins.c (expand_builtin_next_arg): Remove argument and all
2263 the argument checking.
2264 (expand_builtin): Adjust caller.
2265 (expand_builtin_va_start): Likewise. Remove error for too many
2266 arguments.
2267 (fold_builtin_next_arg): Issue error for too many arguments.
2268 After checking arguments, replace them with magic arguments that
2269 prevent further checking of the args.
2270
2271 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2272
2273 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
2274
2275 2005-01-06 Roger Sayle <roger@eyesopen.com>
2276
2277 PR target/6077
2278 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
2279 and %{.S:...} (and their negative variants) to test whether the
2280 input file is assembler or pre-processed-assembler independent of
2281 the actual filename extension.
2282
2283 2005-01-06 Roger Sayle <roger@eyesopen.com>
2284
2285 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
2286 of sign or zero extended values.
2287
2288 2005-01-06 Geoffrey Keating <geoffk@apple.com>
2289
2290 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
2291 for IBM long double format correctly.
2292
2293 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
2294
2295 Fix PR tree-optimization/18792
2296
2297 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
2298 to first_loop_depth, and use loop depth instead of loop number.
2299 (build_classic_dir_vector): Ditto.
2300 (compute_data_dependences_for_loop): Use depth, not loop number.
2301 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
2302 number. Pass in loops, instead of loop numbers.
2303 (gather_interchange_stats): Ditto.
2304 (linear_transform_loops): Ditto.
2305
2306 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
2307
2308 PR rtl-opt/13299
2309 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
2310 biv_fits_mode_p, extension_within_bounds_p): New functions.
2311 (check_ext_dependent_givs): Use them.
2312
2313 2005-01-06 Roger Sayle <roger@eyesopen.com>
2314
2315 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
2316 more than one barrier, in which case we should delete them all.
2317
2318 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
2319
2320 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
2321
2322 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
2323
2324 Fix PR middle-end/19286
2325 Fix PR debug/19267
2326 * dwarf2out.c (gen_subprogram_die): If we've already tried to
2327 output this subprogram, simply ignore this attempt to do it again.
2328 (add_abstract_origin_attribute): Don't abort trying to add the abstract
2329 origin attribute if it's not possible.
2330 (gen_block_die): Don't ignore subblocks of "unused" blocks.
2331 (decls_for_scope): Ditto.
2332 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
2333 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
2334
2335 2005-01-05 Richard Henderson <rth@redhat.com>
2336
2337 PR target/11327
2338 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
2339 (bdesc_2arg): Use it.
2340 (ix86_expand_binop_builtin): Force operands into registers
2341 when optimizing.
2342 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
2343 ix86_expand_sse_compare, ix86_expand_sse_comi,
2344 ix86_expand_builtin): Likewise.
2345
2346 2005-01-05 Richard Henderson <rth@redhat.com>
2347
2348 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
2349 and VEC_SELECT.
2350 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
2351 (mulv4hi3): Set itanium_class mmmul.
2352 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
2353 (fpack): Rename from fpack_sfsf.
2354
2355 2005-01-05 Richard Henderson <rth@redhat.com>
2356
2357 PR rtl-opt/10692
2358 * reload1.c (do_input_reload): Restrict the optimization deleteing
2359 a previous output reload to RELOAD_FOR_INPUT.
2360
2361 2005-01-05 Steven Bosscher <stevenb@suse.de>
2362
2363 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
2364 comment that we fall through after case.
2365 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
2366 (distribute_links): Likewise.
2367 * cse.c (cse_insn): Likewise.
2368 * cselib.c (cselib_invalidate_mem): Likewise.
2369 * df.c: Update comments at the top of the file.
2370 (read_modify_subreg_p): Update comments here too.
2371 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
2372 * flow.c (mark_set_1): Likewise.
2373 (mark_used_regs): Likewise.
2374 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2375 (canon_list_insert): Likewise.
2376 (mark_set): Likewise.
2377 (try_replace_reg): Likewise.
2378 (store_killed_in_insn): Likewise.
2379 * loop.c (count_one_set): Likewise.
2380 (basic_induction_var): Likewise.
2381 * postreload-gcse.c (find_mem_conflicts): Likewise.
2382 * postreload.c (reload_combine_note_store): Likewise.
2383 (move2add_note_store): Likewise.
2384 * reload.c (find_equiv_reg): Likewise.
2385 (mark_referenced_resources): Likewise.
2386 * rtlanal.c (set_noop_p): Likewise.
2387 (note_stores): Likewise.
2388 (note_uses): Likewise.
2389 * sched-deps.c (sched_analyze_1): Likewise.
2390 * sched-rgn.c (check_live_1): Likewise.
2391 (update_live_1): Likewise.
2392 * config/i860/i860.c: Likewise.
2393
2394 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
2395 an lvalue.
2396 (ZERO_EXTRACT): Mention that this one can be an lvalue.
2397
2398 * doc/rtl.texi: Update documentation for bit-fields and SET.
2399
2400 2005-01-05 Roger Sayle <roger@eyesopen.com>
2401
2402 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
2403
2404 2005-01-05 Jan Hubicka <jh@suse.cz>
2405 Richard Henderson <rth@redhat.com>
2406
2407 PR target/18910
2408 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
2409 with an offset.
2410
2411 2005-01-05 Richard Henderson <rth@redhat.com>
2412
2413 PR target/12902
2414 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
2415 (sse_shufps): Change operand 3 to const_int_operand.
2416 (sse2_storelps): Fix typo in template.
2417 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
2418 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
2419 (ix86_expand_builtin): Likewise.
2420
2421 2005-01-05 Julian Brown <julian@codesourcery.com>
2422
2423 * config/arm/arm.c (arm_return_in_memory): Treat complex types
2424 as aggregates for AAPCS ABIs.
2425
2426 2005-01-05 Stan Shebs <shebs@apple.com>
2427
2428 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
2429 Mach-O getters if ppc64.
2430 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
2431 size argument.
2432 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2433 signed four-byte field for global code case.
2434 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
2435
2436 2005-01-05 Roger Sayle <roger@eyesopen.com>
2437
2438 PR middle-end/19100
2439 * c-common.c: Include real.h.
2440 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
2441 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
2442 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
2443 * Makefile.in (c-common.o): Update dependencies.
2444
2445 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
2446
2447 * c-parse.in (asm_string): Add trailing semicolon.
2448
2449 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
2450
2451 * c-parse.in (asm_string): New. Don't allow wide strings in
2452 'asm'.
2453 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
2454 asm_string instead of STRING.
2455
2456 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
2457
2458 * c-typeck.c (constructor_no_implicit): Remove.
2459 (set_designator, process_init_element): Don't check
2460 constructor_no_implicit.
2461
2462 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
2463 Kaz Kojima <kkojima@gcc.gnu.org>
2464
2465 PR target/16482
2466 * lcm.c (create_pre_exit): New.
2467 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
2468 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
2469
2470 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
2471
2472 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
2473 -msoft-float in target_float_switch.
2474 * arm.c (arm_override_options): Fix processing of target_float_switch.
2475
2476 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
2477
2478 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
2479 preferencing.
2480
2481 2004-01-05 Uros Bizjak <uros@kss-loka.si>
2482
2483 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
2484 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
2485
2486 2005-01-04 Roger Sayle <roger@eyesopen.com>
2487
2488 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
2489 if deleting the then-block allows the test-block to fallthru to the
2490 else-block.
2491
2492 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
2493
2494 PR c/19152
2495 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
2496 after the full declaration if the are in two different TUs.
2497
2498 2005-01-04 Richard Henderson <rth@redhat.com>
2499
2500 PR tree-opt/19158
2501 * tree-sra.c (generate_one_element_init): Just
2502 call gimplify_and_add.
2503 (generate_element_init): Record the
2504 new referenced variables and mark them for renaming
2505 and split out to ...
2506 (generate_element_init_1): This.
2507 (scalarize_init): Don't call push_gimplify_context/
2508 pop_gimplify_context.
2509
2510 2005-01-04 Geoffrey Keating <geoffk@apple.com>
2511
2512 * toplev.c (get_src_pwd): Handle failure of getpwd().
2513
2514 2005-01-04 Roger Sayle <roger@eyesopen.com>
2515
2516 * fold-const.c (fold_single_bit_test): Delete unreachable handling
2517 of TRUTH_NOT_EXPR.
2518 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
2519 all the cases handled by it are inverted by invert_truthvalue.
2520
2521 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2522
2523 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
2524 (save_register_windowsi): Likewise.
2525
2526 2005-01-04 Richard Henderson <rth@redhat.com>
2527
2528 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
2529
2530 2005-01-04 Uros Bizjak <uros@kss-loka.si>
2531
2532 PR middle-end/17767
2533 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
2534 any simplifications of vector mode comparison operators.
2535 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
2536
2537 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
2538 Devang Patel <dpatel@apple.com>
2539
2540 PR tree-optimization/18308
2541 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
2542 the operands before creating a new expression.
2543 * dojump.c (do_jump): Make drop_through_label available
2544 for all cases. Add expansion of COND_EXPR.
2545
2546 2005-01-04 Ira Rosen <irar@il.ibm.com>
2547
2548 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
2549 INTEGER_CST instead of TREE_CONSTANT.
2550 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
2551 instead of TREE_CONSTANT.
2552 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
2553 instead of TREE_CONSTANT.
2554
2555 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2556
2557 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
2558
2559 2005-01-04 Uros Bizjak <uros@kss-loka.si>
2560
2561 PR target/19240
2562 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
2563 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
2564
2565 2005-01-03 Richard Henderson <rth@redhat.com>
2566
2567 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
2568 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
2569 fold_convert_const_real_from_real): Split out from ...
2570 (fold_convert_const): ... here.
2571
2572 2005-01-03 Richard Henderson <rth@redhat.com>
2573
2574 PR target/19235
2575 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
2576 (mov<MMXMODEI>_internal): Likewise.
2577 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
2578 Add V2SF case; use it for SSE1; don't use TI.
2579 (movdf_integer): Likewise.
2580 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
2581
2582 2005-01-03 Ira Rosen <irar@il.ibm.com>
2583
2584 * tree-vectorizer.c (vect_strip_conversions): New function.
2585 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
2586 check for binary class.
2587
2588 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
2589
2590 Fix PR debug/17924
2591 Fix PR debug/19191
2592 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
2593 is a decl.
2594 * gimple-low.c (mark_blocks_with_used_vars): New function.
2595 (mark_blocks_with_used_subblocks): Ditto.
2596 (mark_used_blocks): Ditto.
2597 (pass_mark_used_blocks): New pass.
2598 * tree-inline.c: Include debug.h.
2599 (expand_call_inline): Call outlining_inline_function here.
2600 * tree-optimize.c (init_tree_optimization_passes): Add
2601 pass_mark_used_blocks.
2602 * tree-pass.h (pass_mark_used_blocks): New.
2603 * Makefile.in (tree-inline.o): Add debug.h dependency.
2604
2605 2005-01-03 Geoffrey Keating <geoffk@apple.com>
2606
2607 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
2608 VAR_DECLs to have weak_import attribute.
2609
2610 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
2611 'struct ucontext'.
2612
2613 2004-01-03 Steven Bosscher <stevenb@suse.de>
2614
2615 * passes.c (rest_of_compilation): Don't run regmove if only
2616 flag_expensive_optimizations, require flag_regmove instead.
2617
2618 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2619
2620 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
2621 register "sparc".
2622 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
2623 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2624 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
2625 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2626
2627 2005-01-03 Richard Henderson <rth@redhat.com>
2628
2629 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
2630 (ia64_const_ok_for_letter_p): New.
2631 (ia64_const_double_ok_for_letter_p): New.
2632 (ia64_extra_constraint): New.
2633 (ia64_expand_vecint_compare): New.
2634 (ia64_expand_vcondu_v2si): New.
2635 (ia64_expand_vecint_cmov): New.
2636 (ia64_expand_vecint_minmax): New.
2637 (ia64_print_operand): Add 'v'.
2638 (ia64_preferred_reload_class): New.
2639 (ia64_vector_mode_supported_p): New.
2640 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
2641 (PREFERRED_RELOAD_CLASS): Move to function.
2642 (CONST_OK_FOR_LETTER_P): Move to function.
2643 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
2644 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
2645 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
2646 (EXTRA_CONSTRAINT): Move to function.
2647 * config/ia64/ia64.md: Include vect.md.
2648 (itanium_class): Add mmalua.
2649 (type): Handle it.
2650 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
2651 (1b_mmalua): New.
2652 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
2653 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
2654 CONST0_RTX.
2655 (const_int_2bit_operand): New.
2656 (fr_reg_or_0_operand): New.
2657 * config/ia64/ia64-modes.def: Add vector modes.
2658 * config/ia64/ia64-protos.h: Update.
2659 * config/ia64/vect.md: New file.
2660
2661 2005-01-03 Richard Henderson <rth@redhat.com>
2662
2663 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
2664
2665 2005-01-03 Uros Bizjak <uros@kss-loka.si>
2666
2667 PR target/19236
2668 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
2669 to SFmode.
2670 (log1pdf2): Change mode of operands[0,1] to DFmode.
2671
2672 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2673
2674 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
2675 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
2676 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
2677 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
2678 SPARC_RELAXED_ORDERING.
2679
2680 2005-01-03 Richard Henderson <rth@redhat.com>
2681 Uros Bizjak <uros@kss-loka.si>
2682
2683 PR target/14631
2684 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
2685 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
2686 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
2687 handling.
2688 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
2689 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
2690 const_pow2_1_to_128_operand): New predicates.
2691
2692 2005-01-02 Greg McGary <greg@mcgary.org>
2693
2694 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
2695 anonymous decls.
2696 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
2697 object. [ptr_type]: Remove unused variable.
2698 Remember nearest addressable array-element or record-component
2699 when checking bitfield components. Tolerate empty BIND_EXPR.
2700
2701 2005-01-01 Richard Henderson <rth@redhat.com>
2702
2703 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
2704 that don't narrow the value. Fail for other conversions.
2705
2706 2005-01-01 Richard Henderson <rth@redhat.com>
2707
2708 PR c/19031
2709 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
2710 * c-lang.c (finish_file): Don't do it here.
2711 * objc/objc-act.c (objc_finish_file): Likewise.
2712
2713 * cgraph.c (decl_assembler_name_equal): New.
2714 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
2715 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
2716 * cgraph.h (struct cgraph_varpool_node): Add next.
2717 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
2718 * varasm.c (assemble_alias): Mark the target as needed.
2719
2720 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
2721
2722 PR middle-end/19221
2723 * function.c (get_arg_pointer_save_area): Use entry_of_function
2724 instead of get_insns.
2725
2726 2005-01-01 Roger Sayle <roger@eyesopen.com>
2727 Andrew Pinski <pinskia@physics.uc.edu>
2728 James E. Wilson <wilson@specifixinc.com>
2729
2730 PR rtl-optimization/12092
2731 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
2732 is zero.
2733
2734 2005-01-01 Roger Sayle <roger@eyesopen.com>
2735 Olivier Hainque <hainque@act-europe.fr>
2736
2737 * tree.c (int_fits_type_p): A narrower type always fits in a
2738 wider one, except for negative values into unsigned types.
2739
2740 2005-01-01 Roger Sayle <roger@eyesopen.com>
2741
2742 * tree.c (int_fits_type_p): Compare the result of force_fit_type
2743 with the original constant rather than require TREE_OVERFLOW.
2744
2745 2005-01-01 Steven Bosscher <stevenb@suse.de>
2746
2747 PR middle-end/17544
2748 * c-decl.c (finish_function): If compiling C99, annotate the
2749 compiler generated return with the current file name and line 0.
2750 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
2751 the source line is greater than 0.
2752 (remove_bb): Likewise.
2753
2754 See ChangeLog.12 for earlier changes.