1 2005-01-31 Richard Henderson <rth@redhat.com>
4 * optabs.c (expand_copysign_absneg): New.
5 (expand_copysign_bit): Split out from ...
6 (expand_copysign): ... here. Use expand_copysign_absneg.
8 2005-01-30 Roger Sayle <roger@eyesopen.com>
11 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
12 constant as the second operand and a register as the third.
14 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
17 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
18 that dllimport'd functions do not use all call-clobbered registers
21 2005-01-30 Richard Henderson <rth@redhat.com>
24 * optabs.c (expand_absneg_bit): Split out from expand_unop and
25 expand_abs_nojump and generalize. Use operand_subword and
26 emit_no_conflict_block. Support large modes.
27 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
29 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
30 negation to subtraction.
31 (expand_copysign): Check that the format has signed zeros.
32 Use operand_subword and emit_no_conflict_block. Support large modes.
34 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
36 Fix PR tree-optimization/19624
38 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
39 * tree-ssa-pre.c: Add cfgloop.h.
41 (pre_stats): New member, constified.
42 (inserted_exprs): New static variable.
43 (NECESSARY): New macro.
44 (create_expression_by_pieces): Fold the expression, and
45 mark it as defaulting to not necessary. Also put in
47 (fully_constant_expression): New function.
48 (insert_into_preds_of_block): Modify to not insert phis when we
49 are playing with induction variables.
50 Push phis onto the inserted_exprs vector, and mark them as not
52 (insert_aux): Call fully_constant_expression on eprime.
53 If all edges produce the same value, mark it constant.
54 (mark_operand_necessary): New function.
55 (remove_dead_inserted_code): New function.
56 (init_pre): Init loop optimizer to get loop info.
57 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
58 (execute_pre): Commit edge inserts, then remove dead code.
60 2005-01-30 Richard Henderson <rth@redhat.com>
62 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
63 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
65 2005-01-30 Richard Henderson <rth@redhat.com>
68 * config/i386/i386.c (ix86_expand_copysign): New.
69 (ix86_split_copysign_const): New.
70 (ix86_split_copysign_var): Rename from ix86_split_copysign,
71 rearrange op1/nmask operands.
72 * config/i386/i386-protos.h: Update.
73 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
74 (copysigndf3): Likewise.
75 (copysignsf3_const, copysigndf3_const): New.
76 (copysignsf3_var): Rename from copysignsf3, split out splitter
77 and fix split predicate for X constraint.
78 (copysigndf3_var): Similarly.
80 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
82 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
83 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
84 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
86 2005-01-29 Richard Henderson <rth@redhat.com>
89 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
90 of # and * in constraints.
92 2005-01-29 Richard Henderson <rth@redhat.com>
95 * expr.c (store_field): Don't strip sub-mode cast when the input
98 2005-01-29 Richard Henderson <rth@redhat.com>
101 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
104 2005-01-29 Richard Henderson <rth@redhat.com>
106 * combine.c (make_field_assignment): Fix argument order
109 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
111 PR tree-optimization/15791
112 * fold-const.c (extract_array_ref): New function.
113 (fold): Fold comparisons between &a[i] and &a[j] or
114 semantically equivalent trees.
116 2005-01-29 Jeff Law <law@redhat.com>
118 * gcse.c (insert_expr_in_table): Revamp handling of available
119 and anticipatable occurrence lists to avoid unnecessary list
121 (insert_set_in_table): Similarly.
123 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
125 * c-common.c (fix_string_type): Just use c_build_qualified_type to
127 (c_build_qualified_type): Build qualified array types with
128 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
129 * c-decl.c (c_make_fname_decl): Build unqualified array type
130 before qualified type.
131 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
132 type is qualified, not just if type itself is. Don't apply
133 qualifiers to array type when declarator is processed. Apply
134 qualifiers to field type whether or not it is an array type.
135 Don't handle array types specially for applying qualifiers to
137 * c-typeck.c (composite_type): Build unqualified element type and
138 array type when forming composite of array types.
139 (common_pointer_type, comptypes, comp_target_types,
140 type_lists_compatible_p, build_indirect_ref, build_array_ref,
141 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
143 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
144 (args2) in variables a1 and a2.
146 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
148 * cse.c (n_elements_made, max_elements_made): Remove.
149 (insert): Don't touch n_elements_made.
150 (cse_main): Don't touch n_elements_made or max_elements_made.
152 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
155 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
156 configuration part of dp-bit.c to be lost.
158 2005-01-28 Roger Sayle <roger@eyesopen.com>
160 * expmed.c (expand_mult_highpart_optab): When attempting to use
161 a non-widening multiplication in a wider mode, the operands need
162 to be converted (zero or sign extended) to that mode.
164 2005-01-28 Ian Lance Taylor <ian@airs.com>
168 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
169 through if both operands fall through.
171 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
173 * cse.c (fold_rtx) <PC>: Don't optimize.
175 2005-01-28 Jeff Law <law@redhat.com>
177 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
178 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
180 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
182 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
183 cse_reg_info_used_list_end): Remove.
184 (cse_reg_info_list, cse_reg_info_list_free): New.
185 (get_cse_reg_info): When allocating an instance of
186 cse_reg_info, add it to the beginning of the cse_reg_info_list
187 list. Remove code to maintain cse_reg_info_used_list.
188 (new_basic_block): Reset the free list to the beginning of
191 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
193 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
194 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
195 (frv_expand_mdpackh_builtin): New function.
196 (frv_expand_builtin): Use it to expand __MDPACKH.
197 * doc/extend.texi (__MDPACKH): Update documentation.
199 2005-01-28 Uros Bizjak <uros@kss-loka.si>
201 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
202 SSE_FLOAT_MODE_P for use_sse computation.
204 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
207 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
209 2005-01-27 Richard Henderson <rth@redhat.com>
211 * builtins.c (expand_builtin_copysign): New.
212 (expand_builtin): Call it.
213 * genopinit.c (optabs): Add copysign_optab.
214 * optabs.c (init_optabs): Initialize it.
215 (expand_copysign): New.
216 * optabs.h (OTI_copysign, copysign_optab): New.
217 (expand_copysign): Declare.
219 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
220 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
222 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
223 (ix86_expand_fp_absneg_operator): ... here.
224 (ix86_split_copysign): New.
225 * config/i386/i386-protos.h: Update.
226 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
227 (copysignsf3, copysigndf3): New.
229 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
230 (copysignsf3, ncopysignsf3): New.
231 (copysigndf3, ncopysigndf3): New.
232 (copysignxf3, ncopysignxf3): New.
233 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
235 2005-01-27 Arend Bayer <arend.bayer@web.de>
236 Kazu Hirata <kazu@cs.umass.edu>
238 * cse.c: (find_best_addr): Don't call copy_rtx before calling
239 fold_rtx. Save cost recomputation if fold_rtx did nothing.
240 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
243 2005-01-27 Jeff Law <law@redhat.com>
245 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
246 definitions of SSA_NAMEs which are not being rewritten.
247 (rewrite_ssa_into_ssa): Only initialize the current definition
248 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
249 If checking is enabled, assert that SSA_NAME_AUX is clear for all
250 SSA_NAMEs before returning.
252 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
254 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
255 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
256 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
257 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
258 config/mips/iris6.h, config/sh/sh.c: Update copyright.
260 2005-01-27 Steven Bosscher <stevenb@suse.de>
263 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
264 higher to -O2 and higher. Likewise for tree PRE.
265 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
268 2005-01-27 Ian Lance Taylor <ian@airs.com>
271 * gimple-low.c (try_catch_may_fallthru): New static function.
272 (block_may_fallthru): Handle TRY_CATCH_EXPR.
273 * tree-inline.c (expand_call_inline): Don't warn about reaching
274 the end of a non-void function being inlined if the function uses
277 2005-01-27 Jakub Jelinek <jakub@redhat.com>
279 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
282 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
283 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
284 (implicitly_declare): Handle error_mark_node.
286 2005-01-27 Richard Henderson <rth@redhat.com>
289 * tree.h (struct tree_decl): Add debug_expr_is_from.
290 (DECL_DEBUG_EXPR_IS_FROM): New.
291 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
292 * dwarf2out.c (dwarf2out_var_location): Update to match.
293 * tree-outof-ssa.c (create_temp): Likewise.
294 * var-tracking.c (track_expr_p): Likewise.
295 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
296 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
297 * toplev.c (default_tree_printer): Likewise.
299 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
301 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
302 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
304 2005-01-27 Steven Bosscher <stevenb@suse.de>
306 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
307 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
308 ASM_CLOBBERS): Add tree checks.
310 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
311 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
312 * c-common.def (SWITCH_STMT): Update to match.
313 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
314 macros instead of SWITCH_EXPR ones.
315 * c-dump.c (c_dump_tree): Likewise.
316 * c-gimplify.c (gimplify_switch_stmt): Likewise.
317 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
319 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
321 2005-01-27 Alan Modra <amodra@bigpond.net.au>
323 * unwind-dw2.c (execute_stack_op): Add missing cases for
324 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
326 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
328 * config.gcc (Obsolete configurations): Remove 'dummy', add
329 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
332 2005-01-26 Diego Novillo <dnovillo@redhat.com>
334 PR tree-optimization/19633
335 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
337 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
338 are no call-clobbered variables.
339 * tree-outof-ssa.c (check_replaceable): Return false for calls
342 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
344 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
345 even for variables with NULL DECL_INITIAL.
347 2005-01-26 Stuart Hastings <stuart@apple.com>
349 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
351 2005-01-26 Richard Henderson <rth@redhat.com>
354 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
356 * expr.c (store_field): Strip conversions to odd-bit-sized types
357 if the destination field width matches.
359 2005-01-26 Richard Henderson <rth@redhat.com>
361 * c-decl.c, expmed.c, expr.c: Revert last change.
363 2005-01-26 Richard Henderson <rth@redhat.com>
366 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
368 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
369 if we don't need the bits above those present in the current mode.
370 * expr.c (store_field): Strip conversions to odd-bit-sized types
371 if the destination field width matches.
373 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
375 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
376 either -ffast-math or -funsafe-math-optimizations is in use.
378 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
382 * config/avr/avr.c (notice_update_cc): Only set condition code for
383 ashrqi3 if shift count > 0.
384 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
385 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
386 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
387 count <= 0 as a no-op, and shift count >= width by copying zero
388 or sign bit to all bits of the result.
389 * config/avr/avr.md (all shifts): Add alternatives for zero shift
390 count, with attribute "length" set to 0 and "cc" set to "none".
392 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
394 * doc/invoke.texi: Document -mTLS.
396 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
397 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
398 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
399 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
400 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
401 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
402 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
403 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
405 * configure.ac: Check for a TLS capable gas.
407 * configure: Regenerate.
409 2005-01-26 Richard Henderson <rth@redhat.com>
412 * combine.c (make_field_assignment): Simplify store to zero_extract
413 from a source with an overlapping mask.
415 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
417 2004-11-11 Eric Christopher <echristo@redhat.com>
419 * config/frv/frv.md: Add fr400_integer automaton. Don't
420 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
423 2005-01-26 Steven Bosscher <stevenb@suse.de>
426 * cfgbuild.c (make_edges): Do not clear or set
427 current_function_has_computed_jump.
428 * function.h (struct function): Remove the has_computed_jump field.
429 (current_function_has_computed_jump): Do not define.
430 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
431 in a computed jump. Ignore current_function_has_computed_jump.
433 2005-01-26 Richard Henderson <rth@redhat.com>
436 * expr.c (categorize_ctor_elements): New argument p_must_clear.
437 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
439 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
440 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
441 objects into static storage if they have more than one non-zero value.
442 * tree.h (categorize_ctor_elements): Update decl.
444 2005-01-26 Steven Bosscher <stevenb@suse.de>
447 * tree.h (CALL_EXPR_TAILCALL): Add comment.
448 * calls.c (check_sibcall_argument_overlap_1): Revert the change
449 to this function from 2004-07-10.
450 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
451 the current function for tail call optimizations if the address
452 of one of it its arguments is taken.
454 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
456 * cse.c (fold_rtx): Call equiv_constant only when necessary.
458 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
460 * function.c (expand_function_end): If current_function_calls_alloca,
461 emit stack restore in a place that is reached when the function falls
464 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
466 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
467 rule to avoid matching inappropriate suffix rule.
469 2005-01-26 Jan Hubicka <jh@suse.cz>
471 PR tree-optimization/19241
472 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
474 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
476 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
477 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
479 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
480 <sim*>: Always use crt1.o, regardless of N in simN.
481 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
482 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
483 (CRT_CALL_STATIC_FUNCTION): Remove.
484 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
485 use crt1.o, regardless of N in simN.
486 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
487 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
488 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
489 case isystem setting.
490 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
492 2005-01-25 Ian Lance Taylor <ian@airs.com>
494 * gimple-low.c (block_may_fallthru): Correct handling of
495 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
497 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
499 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
500 handlers to match indentation; nested under the mtune=* handler.
501 Similar for mcpu= and march=.
503 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
505 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
506 * config/mips/linux64.h (LIB_SPEC): Likewise.
507 * config/mn10300/linux.h (LIB_SPEC): Likewise.
508 * config/sh/linux.h (LIB_SPEC): Likewise.
510 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
512 * config/frv/frv.c (frv_legitimize_tls_address): New.
513 (TARGET_HAVE_TLS): Define.
514 (FRV_SYMBOL_REF_TLS_P): Define.
515 (frv_override_options): Handle new register classes.
516 (frv_legitimate_address_p): Reject tls addresses.
517 (frv_legitimize_address): Handle TLS addresses.
518 (gen_inlined_tls_plt): New.
520 (frv_legitimize_tls_address): New.
521 (unspec_got_name): Add TLS entries.
522 (got12_operand): Add R_FRV_TLSMOFF12 case.
523 (frv_emit_move): Fixup TLS addresses.
524 (frv_emit_movsi): Legitimize TLS addresses.
526 * config/frv/frv.h (MASK_BIG_TLS): New.
527 (TARGET_BIG_TLS): New.
528 (HAVE_AS_TLS): Define.
529 (TARGET_SWITCHES): Add -mTLS and -mtls options.
530 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
531 (REG_CLASS_NAMES): Same.
532 (REG_CLASS_CONTENTS): Same.
533 (CONSTRAINT_LEN): New.
534 (REG_CLASS_FROM_CONSTRAINT): New.
535 (PREDICATE_CODES): Add symbolic_operand.
537 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
538 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
539 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
540 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
541 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
542 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
543 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
544 GR9_REG, GR14_REG, LRREG.
545 (type): Add load_or_call attribute.
546 ("load_or_call"): New reservation.
547 ("call_gettlsoff"): New.
548 ("tls_indirect_call"): New.
549 ("tls_load_gottlsoff12"): New.
550 ("tlsoff_hilo"): New.
551 ("tls_tlsdesc_ldd"): New.
552 ("tls_tlsoff_ld"): New.
555 * config/frv/frv-protos.h (symbolic_operand): Protoize.
557 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
559 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
560 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
561 * config/frv/frv.c (TLS_BIAS): Define.
562 (frv_output_dwarf_dtprel): New.
564 2005-01-26 Jakub Jelinek <jakub@redhat.com>
566 PR rtl-optimization/19579
567 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
568 both A and B, see if they don't clobber registers the other expr uses.
570 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
572 * real.c (do_add): Initialize signalling and canonical members.
574 * real.c (real_from_integer): Zero out destination.
576 2005-01-18 Jan Hubicka <jh@suse.cz>
578 PR tree-optimize/19337
579 * tree-inline.c (initialize_inlined_parameters): Copy
580 saved_static_chain_decl only.
582 2005-01-25 Richard Henderson <rth@redhat.com>
586 * config/i386/i386.c (x86_inter_unit_moves): Zero.
587 (ix86_preferred_reload_class): Rewrite fp-constant section, with
588 80387 enabled, to return a proper subclass. Return the subset that
589 overlaps with GENERAL_REGS for PLUS.
590 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
592 2005-01-25 Richard Henderson <rth@redhat.com>
595 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
597 2005-01-25 Roger Sayle <roger@eyesopen.com>
599 * expmed.c (choose_multiplier): Change interface to return the
600 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
601 (expand_divmod): Update calls to choose_multiplier.
603 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
606 * expmed.c (extract_bit_field): Use adjust_address instead of
607 gen_lowpart when op0 is a MEM.
609 2005-01-24 Steven Bosscher <stevenb@suse.de>
611 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
613 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
615 * config/mips/irix-csr.c: New file.
616 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
617 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
618 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
621 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
624 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
625 sparc/elf.h, add sparc/sp-elf.h.
626 (sparc-*-rtems*): Likewise.
627 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
628 tm-dwarf2.h, add sparc/sp-elf.h.
629 (sparc86x-*-elf): Likewise.
630 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
631 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
632 TARGET_OS_CPP_BUILTINS.
633 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
634 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
636 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
637 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
638 (SWITCH_TAKES_ARG): Likewise.
639 (LOCAL_LABEL_PREFIX): Likewise.
640 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
641 (TARGET_N_FORMAT_TYPES): Delete.
642 (TARGET_FORMAT_TYPES): Likewise.
643 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
644 * config/sparc/elf.h: Delete.
645 * config/sparc/sp-elf.h: New file.
647 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
649 * tree-flow-inline.h (phi_arg_from_edge): Remove.
650 * tree-flow.h: Remove the corresponding prototype.
651 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
652 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
654 2005-01-24 Jakub Jelinek <jakub@redhat.com>
657 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
658 for AIX ABI or ELF -fPIC.
659 (rs6000_emit_load_toc_table): Don't create toc_section here.
660 (rs6000_xcoff_file_start): Nor here.
662 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
664 * sh.c (ra.h): Don't #include.
665 (hard_regs_intersect_p): New function, resurrected from ra.c.
667 * sh.c: Fix 1996 Copyright.
669 2005-01-24 Richard Henderson <rth@redhat.com>
670 Aldy Hernandez <aldyh@redhat.com>
672 * regrename.c (note_sets): Handle subregs.
674 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
677 * genconditions.c (write_header, write_conditions): Elide file if
680 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
682 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
683 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
686 2005-01-24 Jakub Jelinek <jakub@redhat.com>
688 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
689 expand_builtin_printf, expand_builtin_fprintf,
690 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
691 checking against POINTER_TYPE.
692 (validate_arglist): Handle POINTER_TYPE code by checking
695 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
697 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
699 (for_each_rtx): Call for_each_rtx_1.
700 * rtl.h (init_rtlanal): Declare.
701 * toplev.c (backend_init): Call init_rtlanal.
703 2005-01-24 Jakub Jelinek <jakub@redhat.com>
705 * flow.c (propagate_one_insn): Formatting.
708 * flow.c (libcall_dead_p): Be more conservative if unsure.
709 If there are any instructions between insn and call, see if they are
710 all dead before saying the libcall is dead.
712 2005-01-24 Uros Bizjak <uros@kss-loka.si>
714 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
715 operand constraint for operand 0.
717 2005-01-23 Richard Henderson <rth@redhat.com>
720 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
721 edges leading to join block.
723 2005-01-23 Roger Sayle <roger@eyesopen.com>
725 * expmed.c (expand_mult_highpart): Make static. Change type of
726 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
727 (expand_divmod): Updates calls to expand_mult_highpart by using
728 gen_int_mode to pass a CONST_INT rtx.
729 * rtl.h (expand_mult_highpart): Remove prototype.
731 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
733 * flow.c (regset_bytes, regset_size): Remove.
735 * cfganal.c: Fix a reference to Harvey's paper.
737 2005-01-23 Steven Bosscher <stevenb@suse.de>
739 PR rtl-optimization/19464
740 * tree-optimize.c (init_tree_optimization_passes): Add one more
741 copyrename pass just before out-of-ssa.
743 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
746 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
747 * ggc-none.c (ggc_free): Define.
749 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
751 * cse.c (max_reg, max_insn_uid): Remove.
752 (cse_main): Don't access max_reg or max_insn_uid.
754 * c-common.c (explicit_flag_signed_bitfields,
755 lang_statement_code_p, lang_expand_function_end): Remove.
756 * c-common.h: Remove the corresponding declarations.
757 * c-opts.c (c_common_handle_option): Remove all write access
758 to explicit_flag_signed_bitfields.
760 * cgraph.c (cgraph_varpool_n_nodes): Remove.
761 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
762 * cgraph.h: Remove the corresponding declaration.
764 * gcse.c (null_pointer_info): Remove.
766 2005-01-23 Roger Sayle <roger@eyesopen.com>
767 Eric Botcazou <ebotcazou@libertysurf.fr>
769 * combine.c (simplify_logical): Only simplify logical expressions
770 of the form ior(and(x,y),z) by the inverse distributive law if the
771 result is cheaper than the original.
773 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
775 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
776 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
777 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
778 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
779 config/freebsd-spec.h, config/arm/arm.h,
780 config/h8300/h8300.md, config/i386/i386.md,
781 config/i386/predicates.md, config/i386/sse.md,
782 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
783 config/vax/vax.md: Fix comment typos. Follow spelling
786 2005-01-23 Steven Bosscher <stevenb@suse.de>
788 * gengtype.c (walk_type): Produce `not equal to' compares for loop
789 tests, instead of `less than'.
791 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
793 * function.c (assign_parm_setup_block): When creating a new stack slot
794 for a parameter, get its alignment from the parameter's DECL_ALIGN
795 rather than the type's TYPE_ALIGN. Make sure that the parameter
796 is at least word aligned.
798 2005-01-22 Roger Sayle <roger@eyesopen.com>
801 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
803 2005-01-22 Richard Henderson <rth@redhat.com>
806 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
807 in both compare operands.
808 (movdfcc_1_sse_max): Likewise.
809 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
810 (movdfcc_1_sse): Likewise.
811 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
812 scratch register as needed.
814 2005-01-22 Richard Henderson <rth@redhat.com>
816 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
818 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
820 2005-01-22 Richard Henderson <rth@redhat.com>
822 * genopinit.c (optabs): Use smin/smax for floating point too.
823 * doc/md.texi: Update to match. Clarify that floating point
824 results are undefined for +0/-0 and NaN.
825 * doc/rtl.texi: Likewise.
826 * rtl.def (SMIN, SMAX): Likewise
827 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
829 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
830 leading 's' to the name.
831 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
832 smaxxf3, sminxf3): Likewise.
833 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
836 2005-01-22 Paul Brook <paul@codesourcery.com>
838 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
840 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
842 * config/s390/s390.c (struct processor_costs): New fields
843 dlgr, dlr, dr, dsgfr, dsgr.
844 (z900_cost, z990_cost): Values for new fields.
845 (s390_rtx_costs): New cases MEM und COMPARE in switch
846 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
847 DIV, MOD, UDIV, UMOD.
849 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
851 * config/s390/s390.md ("doloop_si64"): Reload input value directly
852 into the register being decremented.
853 ("doloop_si31", "doloop_di"): Likewise.
854 ("*doloop_si_long"): Adapt pattern.
856 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
858 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
860 (CLASS_MAX_NREGS): Likewise.
862 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
864 * doc/tree-ssa.texi (Statement Operands): Add example for new
865 must-def macro. Note deprecation of old operands interface.
867 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
869 PR tree-optimization/19484
870 * tree-cfg.c (remove_fallthru_edge): New function.
871 (cleanup_control_flow): Remove fallthru edges from calls that are
872 now known not to return.
874 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
876 Fix PR tree-optimization/19038
877 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
878 copies with loop variant ones.
880 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
882 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
883 config/alpha/alpha-protos.h, config/alpha/alpha.h,
884 config/alpha/alpha.md, config/alpha/predicates.md,
885 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
886 config/sparc/sol2.h: Update copyright.
888 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
889 first label to see if it is a nonlocal label.
891 2005-01-22 David Edelsohn <edelsohn@gnu.org>
892 Andrew Pinski <pinskia@physics.uc.edu>
895 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
896 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
898 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
900 * config/rs6000/rtems.h: Update copyright.
902 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
905 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
906 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
907 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
909 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
912 * c-typeck.c (convert_arguments): Check for error_mark_node.
914 2005-01-21 Ian Lance Taylor <ian@airs.com>
916 PR tree-optimization/13000
917 * tree-inline.c: Include "tree-flow.h".
918 (expand_call_inline): If warn_return_type, warn if non-void inline
919 function falls through.
920 * tree-cfg.c (execute_warn_function_return): Don't warn about
921 control reaching end if TREE_NO_WARNING is set. Set
923 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
925 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
926 branch if we don't need one.
927 * c-typeck.c: Include "tree-flow.h"
928 (c_finish_bc_stmt): Don't add a goto if the current statement
929 list doesn't fall through to the current point.
931 2005-01-21 Roger Sayle <roger@eyesopen.com>
933 PR rtl-optimization/576
934 * real.c (real_arithmetic): Change return type from void to bool
935 to return an indication that the result may be inexact.
936 * real.h (real_arithmeric): Update prototype.
937 * fold-const.c (const_binop): Don't constant fold floating
938 point expressions when the user specifies -frounding-math and
939 the result may depend upon the run-time rounding mode.
940 (fold_convert_const_real_from_real): Clean-up.
941 (fold_initializer): Ignore flag_rounding_math for initializers.
942 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
943 constant fold FP operations with flag_rounding_math if the
944 result may depend upon the run-time rounding mode.
946 2005-01-21 Tom Tromey <tromey@redhat.com>
948 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
950 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
952 * tree-cfg.c: Fix comment typos.
954 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
956 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
957 around the call to rest_of_handle_branch_target_load_optimize.
959 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
961 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
962 (sparc64-*-openbsd*): Likewise.
963 (sparclite-*-elf*): Include tm-dwarf2.h.
964 (sparc86x-*-elf*): Likewise.
965 (sparc64-*-elf*): Likewise.
966 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
967 (DBX_DEBUGGING_INFO): Likewise.
968 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
969 (PREFERRED_DEBUGGING_TYPE): Likewise.
970 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
971 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
972 (PREFERRED_DEBUGGING_TYPE): Likewise.
973 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
974 (PREFERRED_DEBUGGING_TYPE): Likewise.
975 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
977 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
980 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
982 2005-01-20 Paul Brook <paul@codesourcery.com>
984 * doc/rtl.texi: Document value extension requirements for CONST_INT.
986 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
988 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
989 label is first in a sequence of labels.
991 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
993 2005-01-20 Janis Johnson <janis187@us.ibm.com>
994 Giovanni Bajo <giovannibajo@gcc.gnu.org>
996 * doc/sourcebuild.texi (Test Directives): New.
998 2005-01-20 Roger Sayle <roger@eyesopen.com>
1000 * real.c (real_floor): Don't leave the result uninitialized when
1001 mode is VOIDMode, but return the unrounded intermediate value.
1002 (real_ceil): Likewise.
1004 2005-01-20 Paul Brook <paul@codesourcery.com>
1006 * config/arm/arm.md (insv): Use gen_int_mode.
1008 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1010 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
1011 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
1012 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
1013 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
1014 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
1016 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
1019 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
1020 fbreg, so we have to assume we can't.
1021 (loc_descriptor_from_tree_1): Ditto.
1022 (containing_function_has_frame_base): New function.
1023 (add_location_or_const_value_attribute): Use it.
1024 Also try to generate a frame_base from a single element location
1027 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
1029 PR tree-optimization/15349
1030 * timevar.def (TV_TREE_MERGE_PHI): New.
1031 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
1033 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
1034 calls to tree_forwarder_block_p.
1035 (remove_forwarder_block_with_phi, merge_phi_nodes,
1036 gate_merge_phi, pass_merge_phi): New.
1037 * tree-optimize.c (init_tree_optimization_passes): Add
1039 * tree-pass.h: Add an extern for pass_merge_phi;
1041 2005-01-20 Richard Henderson <rth@redhat.com>
1044 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
1045 (_mm_castps_pd, _mm_castps_si128): New.
1046 (_mm_castsi128_ps, _mm_castsi128_pd): New.
1048 2005-01-20 Richard Henderson <rth@redhat.com>
1051 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
1052 __builtin_ia32_vec_init_v2si.
1053 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
1054 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
1055 (ix86_init_mmx_sse_builtins): Create it.
1056 (ix86_expand_builtin): Expand it.
1057 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
1058 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
1059 (vec_extractv2si_0, vec_extractv2si_1): New.
1061 2005-01-20 Richard Henderson <rth@redhat.com>
1064 * config/i386/i386.c (ix86_expand_push): New.
1065 * config/i386/mmx.md (push<MMXMODE>1): New.
1066 * config/i386/sse.md (push<SSEMODE>1): New.
1067 * config/i386/i386-protos.h: Update.
1069 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
1071 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
1074 2005-01-20 Richard Henderson <rth@redhat.com>
1076 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
1077 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
1079 2005-01-19 Richard Henderson <rth@redhat.com>
1082 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
1083 to V4SFmode in SSE1 fallback load path.
1085 2005-01-19 Richard Henderson <rth@redhat.com>
1087 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
1088 in QImode expansion to ix86_expand_vector_set.
1089 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
1091 2005-01-19 Richard Henderson <rth@redhat.com>
1094 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
1095 subclass of the input class.
1096 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
1097 Always true for cross-SSE1 classes. Rationalize conditionals.
1098 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
1099 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
1100 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
1101 (movdi_2): Add MMX/SSE zeros.
1102 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
1103 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
1104 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1105 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
1106 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
1107 (zero_extendsidi2_rex64_1): Remove.
1108 (MOV0 peephole): Check GENERAL_REG_P.
1110 2005-01-19 Richard Henderson <rth@redhat.com>
1113 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
1115 (ix86_expand_vector_extract): Likewise.
1117 2005-01-19 Richard Henderson <rth@redhat.com>
1120 * expr.c (emit_move_change_mode): New argument force; use
1121 simplify_gen_subreg if true.
1122 (emit_move_via_alt_mode): Merge into ...
1123 (emit_move_via_integer): ... here.
1124 (emit_move_ccmode): Use emit_move_change_mode directly.
1126 2005-01-19 Richard Henderson <rth@redhat.com>
1129 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
1130 (alpha_preferred_reload_class): Handle CONST_VECTOR.
1131 (alpha_emit_set_const_1): Add no_output parameter; don't emit
1133 (alpha_emit_set_const): Likewise. Make static.
1134 (alpha_emit_set_long_const): Make static.
1135 (alpha_extract_integer): Split out from alpha_expand_mov.
1136 (alpha_split_const_mov): Likewise.
1137 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
1138 (alpha_legitimate_constant_p): New.
1139 * config/alpha/alpha-protos.h: Update.
1140 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
1141 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
1142 * config/alpha/alpha.md (movsi): Add n alternative.
1143 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
1144 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
1145 (splitters for all of the above): Use alpha_split_const_mov.
1146 * config/alpha/predicates.md (non_add_const_operand): New.
1147 (non_zero_const_operand): New.
1148 (input_operand): Use alpha_legitimate_constant_p after reload.
1150 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
1152 PR tree-optimization/19038
1153 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
1154 (add_candidate): Add ivs with increment in latch only if
1155 allow_ip_end_pos_p is true.
1156 (determine_iv_cost): Use empty_block_p.
1158 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
1160 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
1161 (compute_dominance_frontiers): Ditto.
1163 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
1166 * config/sh/t-rtems: New.
1167 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
1169 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
1171 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
1172 the offset of the selected field.
1174 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
1176 * tree-cfg.c (remove_forwarder_block): Fix the check to
1177 prevent a nonlocal label from appearing in the middle of a
1180 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
1182 PR rtl-optimization/19462
1183 * reorg.c (find_end_label): Create return insn only if
1184 current_function_epilogue_delay_list is empty.
1186 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
1188 * doc/passes.texi: Remove paragraph mentioning new-ra.
1190 2005-01-19 Jakub Jelinek <jakub@redhat.com>
1192 PR rtl-optimization/15139
1193 * combine.c: Include params.h.
1194 (count_rtxs): New function.
1195 (record_value_for_reg): If replace_rtx would replace at least
1196 2 occurrences of REG in VALUE and TEM is really large, replace REG with
1197 (clobber (const_int 0)) instead of TEM.
1198 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
1199 * params.h (MAX_LAST_VALUE_RTL): New.
1200 * Makefile.in (combine.o): Depend on $(PARAMS_H).
1201 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
1204 * c-typeck.c (digest_init): Only call build_vector if all constructor
1205 elements are *_CST nodes.
1206 * gimplify.c (gimplify_init_constructor): Likewise.
1209 * c-typeck.c (digest_init): Only call build_vector if inside_init
1212 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1214 * toplev.c (init_asm_output): Remove dead #ifdef.
1216 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
1218 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
1220 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
1222 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
1223 accessing DECL_FUNCTION_CODE.
1224 * dojump.c (do_jump): Likewise.
1225 * gimplify.c (gimplify_call_expr): Likewise.
1226 * predict.c (expr_expected_value): Likewise.
1227 (strip_builtin_expect): Likewise.
1228 * tree-inline.c (estimate_num_insns_1): Likewise.
1229 * tree-ssa-loop-im.c (stmt_cost): Likewise
1230 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
1231 (tree_expr_nonnegative_p): Likewise.
1233 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
1235 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
1236 variant of the load_pcrel_sym pattern.
1237 * config/sparc/sparc.md (P macro): Move to the top.
1238 (load_pcrel_sym): Macroize using P.
1239 (save_register_window): Likewise.
1241 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
1243 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
1246 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1249 * c-typeck.c (build_asm_expr): Strip nops off
1250 input memory operands.
1252 2005-01-18 David Edelsohn <edelsohn@gnu.org>
1254 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
1255 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
1256 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
1257 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
1259 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
1262 * config/i386/i386.c (override_options): If the 80387 is disabled,
1263 then do not return FP values using FP registers.
1265 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
1267 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
1268 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
1269 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
1270 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
1271 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
1272 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
1273 output.h, postreload-gcse.c, postreload.c, recog.c,
1274 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
1275 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
1276 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
1277 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
1278 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
1279 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
1280 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
1281 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
1283 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
1284 config/alpha/alpha.c, config/arm/vfp.md,
1285 config/i386/emmintrin.h, config/i386/i386-modes.def,
1286 config/i386/i386-protos.h, config/i386/i386.h,
1287 config/i386/pmmintrin.h, config/i386/ppro.md,
1288 config/i386/predicates.md, config/i386/xmmintrin.h,
1289 config/i860/i860.c, config/ia64/ia64-modes.def,
1290 config/ia64/ia64-protos.h, config/ia64/ia64.h,
1291 config/ia64/ia64.md, config/ia64/itanium1.md,
1292 config/ia64/itanium2.md, config/ia64/predicates.md,
1293 config/iq2000/iq2000.h, config/mips/linux64.h,
1294 config/rs6000/aix41.h, config/rs6000/aix43.h,
1295 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
1296 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1297 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
1298 config/sparc/linux64.h, config/sparc/litecoff.h,
1299 config/sparc/sp64-elf.h, config/sparc/sparc.c,
1300 config/sparc/sparc.h, config/sparc/sparc.md,
1301 config/sparc/sysv4-only.h: Update copyright.
1303 2005-01-18 Richard Henderson <rth@redhat.com>
1306 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
1308 2005-01-18 Marc Espie <espie@openbsd.org>
1309 * config/i386/openbsdelf.h: Typo.
1311 2005-01-18 Richard Henderson <rth@redhat.com>
1313 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
1314 special case for sse.
1315 * config/i386/predicates.md (sse_comparison_operator): Likewise.
1317 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
1319 * tree-inline.c (estimate_num_insns_1): Added cases for
1320 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
1322 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
1324 PR rtl-optimization/19296
1325 * combine.c (simplify_comparison): Rewrite the condition under
1326 which a non-paradoxical SUBREG of a PLUS can be lifted when
1327 compared against a constant.
1329 2005-01-18 Andi Kleen <ak@muc.de>
1331 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
1332 * c.opt (-Wpointer-sign): Add.
1333 * doc/invoke.texi: (-Wpointer-sign): Add.
1335 2005-01-18 Uros Bizjak <uros@kss-loka.si>
1337 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
1338 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
1339 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
1340 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
1341 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
1342 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
1343 for TARGET_MIX_SSE_I387.
1344 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
1345 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
1346 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
1347 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
1348 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
1349 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
1350 TARGET_MIX_SSE_I387.
1351 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
1354 2005-01-18 Uros Bizjak <uros@kss-loka.si>
1357 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
1358 Add movaps alternative for xmm reg->reg move.
1360 2005-01-17 Jeff Law <law@redhat.com>
1362 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
1363 at the end of the main DOM loop rather than just before DOM exits.
1365 2005-01-17 Diego Novillo <dnovillo@redhat.com>
1367 PR tree-optimization/19121
1368 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
1369 adding aliases to a name tag, also add them to the pointer's
1371 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
1372 sensitive alias info at all. Only check that the two pointers
1373 have compatible pointed-to sets.
1374 * tree-ssa.c (verify_name_tags): Verify that the alias set of
1375 a pointer's type tag is a superset of the alias set of the
1378 2005-01-17 James E Wilson <wilson@specifixinc.com>
1381 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
1382 comment to document why.
1384 2005-01-17 Richard Henderson <rth@redhat.com>
1386 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
1387 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
1388 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
1389 sse2_vmsminv2df3_finite): New.
1390 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
1391 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
1392 Force op1 into register.
1394 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
1396 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
1397 bubblestrap from always rebuilding build directory.
1399 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
1401 * config/s390/s390.md ("*clc"): Remove incorrect '='.
1402 ("*cmpmem_short"): Likewise.
1404 2005-01-17 Steven Bosscher <stevenb@suse.de>
1406 * basic-block.h: Document BB_* flags.
1407 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
1408 use an sbitmap instead.
1409 * sched-rgn.c (compute_trg_info): Likewise.
1411 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
1413 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
1414 redundant target_cpu_default and extra_parts lines. Use the default
1416 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
1417 (SUBTARGET_EXTRA_SPECS): Delete.
1418 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
1419 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
1420 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
1421 and "n32" for -mabi=n32.
1423 2005-01-17 Ian Lance Taylor <ian@airs.com>
1426 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
1427 fold constant variables into initial values.
1429 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
1431 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
1433 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
1434 through the statements backward.
1436 2005-01-17 Ian Lance Taylor <ian@airs.com>
1438 PR middle-end/13127:
1439 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
1440 a variable set to the return value of the inlined function.
1442 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
1444 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
1445 when modes are tieable.
1447 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
1449 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
1450 of pthread_create to find out if threads are enabled.
1451 * gthr-posix95.h (__gthread_active_p): Likewise.
1453 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
1455 * common.opt (-fnew-ra): Remove.
1457 * toplev.h (flag_new_regalloc): Remove.
1458 * Makefile.in (ra*.*): Don't mention.
1459 * passes.c (rest_of_handle_new_regalloc): Remove.
1460 (rest_of_handle_combine, rest_of_compilation): Always consider
1461 flag_new_regalloc as false.
1462 * doc/invoke.texi: Don't document -fnew-ra.
1464 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
1466 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
1467 last parameter to reg_scan.
1468 * loop.c (loop_optimize): Likewise.
1469 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
1470 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
1471 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
1472 rest_of_handle_gcse, rest_of_handle_loop_optimize,
1473 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
1474 * regclass.c (reg_scan): Likewise, for the declaration.
1475 * rtl.h (reg_scan): Likewise, for the prototype.
1477 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
1479 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
1480 mark_dfs_back_edges.
1482 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
1484 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
1485 (compute_avail): Uses don't go in tmp_gen.
1487 2005-01-16 Steven Bosscher <stevenb@suse.de>
1489 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
1490 loop to look for a free slot in a page entry.
1492 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1495 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
1496 * toplev.c (compile_file): Call process_pending_assemble_output_defs
1497 just before targetm.asm_out.file_end.
1498 * tree.h (process_pending_assemble_output_defs): Declare.
1499 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
1501 (assemble_alias): Defer generation of assembly code for defines when
1502 TARGET_DEFERRED_OUTPUT_DEFS is true.
1503 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1504 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1505 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
1507 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1510 * pa.c (pa_scalar_mode_supported_p): New function.
1511 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1512 * pa.h (MIN_UNITS_PER_WORD): Add comment.
1514 * pa-protos.h (prefetch_operand): Delete.
1515 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
1516 * pa.c (prefetch_operand): Delete.
1517 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
1518 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
1519 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
1520 and prefetch_nocc_operand.
1521 * pa.md (prefetch): Rework to avoid reload problems handling short
1522 displacements when a cache control completer needs to be provided.
1523 (prefetch_32, prefetch_64): Delete.
1524 (prefetch_cc, prefetch_nocc): New patterns.
1526 2005-01-15 David Edelsohn <edelsohn@gnu.org>
1528 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
1530 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1533 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
1534 exceeds maximum alignment for global common data.
1535 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
1536 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
1538 2004-01-15 Roger Sayle <roger@eyesopen.com>
1540 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
1542 2004-01-15 Roger Sayle <roger@eyesopen.com>
1544 * harg-reg-set.h (reg_class_names): Prototype global array.
1545 * regclass.c (reg_class_names): Declare here and initialize to
1547 (dump_regclass): Remove local declaration of reg_class_names.
1548 (regclass): Likewise.
1549 * cfg.c (dump_flow_info): Likewise.
1550 * ra-debug.c (reg_class_names): Likewise.
1551 * regrename.c (reg_class_names): Likewise.
1552 * reload.c (reg_class_names): Likewise.
1553 * reload1.c (spill_failure): Likewise.
1554 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
1556 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
1558 * config/s390/s390.md ("reload_outti"): Remove predicate for
1559 output operand. Abort if operand is not a MEM.
1560 ("reload_outdi", "reload_outdf"): Likewise.
1562 2005-01-15 Marc Espie <espie@openbsd.org>
1564 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
1565 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
1566 * config/openbsd.h: Fix C++ includes for native configurations.
1567 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
1568 Add trampoline support.
1569 * config/i386/openbsdelf.h: New.
1571 2005-01-15 Marc Espie <espie@openbsd.org>
1573 * collect2.c (main): Explicitly parse -dynamic-linker option.
1575 2005-01-15 Jakub Jelinek <jakub@redhat.com>
1577 PR tree-optimization/19060
1578 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
1579 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
1580 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
1581 and handle extract_range_from_cond returning false.
1582 * fold-const.c (fold): Optimize comparisons with min/max even for
1583 width > HOST_BITS_PER_WIDE_INT.
1585 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
1587 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
1588 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
1589 Remove little endian multilib variants.
1590 Add mips32 multilib variant.
1592 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
1594 * explow.c (copy_all_reg, stabilize): Remove.
1595 * expr.h: Remove the corresponding prototypes.
1597 * rtlanal.c (regs_set_between_p): Remove.
1598 * rtl.h: Remove the corresponding prototype.
1600 2005-01-14 David Edelsohn <edelsohn@gnu.org>
1602 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
1603 to rs6000_nonimmediate_operand.
1604 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
1605 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
1606 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
1607 rs6000_nonimmediate_operand.
1608 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
1609 rs6000_nonimmediate_operand.
1611 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
1613 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
1615 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
1617 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
1619 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
1620 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
1622 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
1623 (rs6k_nonimmediate_operand): New.
1624 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
1626 (legitimate_lo_sum_address_p): Same.
1627 (rs6000_legitimize_address): Same.
1628 (rs6000_legitimize_reload_address): Same.
1629 (rs6000_legitimate_address): Same.
1630 (spe_build_register_parallel): Pass DF and DC modes in a DI
1633 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
1634 to rs6k_nonimmediate_operand.
1636 * config/rs6000/spe.md ("*frob_df_di"): New.
1637 ("*frob_di_df"): New.
1638 ("*frob_di_df_2"): New.
1639 ("*mov_sidf_e500_subreg0"): New.
1640 ("*mov_sidf_e500_subreg4"): New.
1641 ("*movdf_e500_double"): Change predicate to
1642 rs6k_nonimmediate_operand.
1644 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
1646 * postreload.c (move2add_note_store): Only call
1647 trunc_int_for_mode on scalar integers.
1649 2005-01-14 Steven Bosscher <stevenb@suse.de>
1651 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
1652 replace BB_VISITED uses.
1653 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
1654 (propagate_necessity): Check the bitmap instead of BB_VISITED.
1655 (tree_dce_done): Free visited_control_parents.
1656 (perform_tree_ssa_dce): Allocate and clear it.
1657 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
1658 (compute_antic): Iterate from here using a DFS. Use an sbitmap
1659 instead of BB_VISITED.
1661 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
1663 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
1664 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
1665 Remove unused prototypes.
1667 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
1669 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
1670 64-bit register usage.
1671 (spe_func_has_64bit_regs_p): Add FIXME note.
1673 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
1675 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
1676 flag_finite_math_only with flag_unsafe_math_optimizations.
1678 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
1680 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
1682 (__tpf_eh_return): Copy TPF private stack area from the module
1683 boundary stack frame. Add check for when module addresses are
1684 equal, but no stub address is found.
1686 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
1689 * arm.h (struct machine_function): Add call_via field.
1690 (thumb_call_via_label): Declare.
1691 * arm.c (thumb_call_via_label): New variable.
1692 (thumb_call_reg_needed): New variable.
1693 (arm_output_function_epilogue): For Thumb code, output any per-function
1694 call-indirect trampolines.
1695 (thumb_call_via_reg): New function.
1696 (arm_file_end): New function.
1697 (TARGET_ASM_FILE_END): Call arm_file_end.
1698 (aof_file_end): Likewise.
1699 * arm-protos.h (thumb_call_via_reg): Declare.
1700 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
1701 thumb_call_via_reg in normal case.
1703 2005-01-14 Jakub Jelinek <jakub@redhat.com>
1706 PR rtl-optimization/19348
1707 * recog.c (peephole2_optimize): Do global life update if some peephole
1708 decides it doesn't need at least one of its inputs and that change
1709 influences liveness at the start of the basic block.
1711 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
1712 arguments instead of 1.
1714 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
1717 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
1718 zero for nested functions needing a static chain or functions
1719 with a non-constant address.
1721 2005-01-13 Roger Sayle <roger@eyesopen.com>
1723 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
1724 (and (sign_extend X) C) into (zero_extend (and X C)).
1726 2005-01-13 David O'Brien <obrien@FreeBSD.org>
1728 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
1730 2005-01-13 Richard Henderson <rth@redhat.com>
1735 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
1736 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
1737 not just TARGET_SSE.
1738 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
1739 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
1740 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
1741 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
1742 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
1743 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
1744 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
1745 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
1746 (movdicc_c_rex64): Rename with '*'.
1747 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
1748 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
1749 (movsfcc_1_387): Rename from movsfcc_1.
1750 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
1751 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
1752 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
1753 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
1754 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
1755 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
1756 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
1757 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
1758 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
1759 sse_movdfcc_const0_4): Remove.
1760 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
1761 recognize min/max early. Update for changed sse cmove patterns.
1762 (ix86_split_sse_movcc): New.
1763 * config/i386/i386-protos.h: Update.
1765 2005-01-13 Steven Bosscher <stevenb@suse.de>
1767 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
1768 (fix_stmt_v_may_defs): Likewise.
1770 2005-01-13 Richard Henderson <rth@redhat.com>
1772 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
1773 for converting the mask.
1775 2005-01-13 David Edelsohn <edelsohn@gnu.org>
1777 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
1780 2005-01-13 Richard Henderson <rth@redhat.com>
1782 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
1783 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
1784 IX86_BUILTIN_MOVDQ2Q): Remove.
1785 (IX86_BUILTIN_VEC_EXT_V4SI): New.
1786 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
1787 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
1789 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
1790 (sse2_pextrw): Fix immediate constraint.
1791 (sse2_loadq, sse2_loadq_rex64): Remove.
1792 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
1793 Use __builtin_ia32_vec_ext_<size>.
1794 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
1796 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
1798 * function.c (assign_parm_setup_block): Look inside original
1799 entry_parm when inspecting PARALLEL.
1801 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
1802 Joel Sherrill <joel@oarcorp.com>
1805 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
1806 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
1807 rtems_gxx_recursive_mutex_init.
1808 (__gthread_recursive_mutex_lock): New function.
1809 (__gthread_recursive_mutex_trylock): Likewise.
1810 (__gthread_recursive_mutex_unlock): Likewise.
1812 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
1814 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
1816 2005-01-13 Jan Beulich <jbeulich@novell.com>
1818 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
1819 (ashrti3_internal): Indicate output is early clobber. Generate result
1820 into output rather than first input. Use move for low word of output
1821 if shift count is exactly 64.
1822 (lshrti3_internal): Likewise.
1824 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
1828 * reload1.c (delete_output_reload): Don't delete an output reload
1829 if the pseudo lives longer than a single basic block. Adjust and
1830 improve wording of comment.
1832 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
1835 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
1836 of TYPE_SIZE where we mean the number of bytes.
1838 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
1840 * function.c (assign_parm_setup_block): Relax condition on
1841 multi-register optimization.
1843 2005-01-12 Nick Clifton <nickc@redhat.com>
1845 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
1846 an "in_delay_slot" attribute of "no" to prevent them being used in
1847 delay slots. This is forbidden because they might generate
1850 2005-01-12 Alan Modra <amodra@bigpond.net.au>
1853 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
1856 2005-01-12 Nick Clifton <nickc@redhat.com>
1858 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
1859 passed on to GAS) but do not define, as GAS no longer supports or
1860 needs the -m2000 option.
1862 2005-01-11 Roger Sayle <roger@eyesopen.com>
1864 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
1865 type as args of unprototyped builtins aren't automatically promoted.
1866 (fold_builtin_abs): Likewise.
1868 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1870 * Makefile.in: Set a `build-warn' variable.
1872 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
1874 PR tree-optimization/17949
1875 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
1876 (find_interesting_uses_address): Use it.
1878 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
1880 * regrename.c (kill_value): Handle subreg's that won't simplify.
1882 2005-01-11 Richard Henderson <rth@redhat.com>
1885 * config/i386/i386.h (enum ix86_builtins): Move ...
1886 * config/i386/i386.c: ... here.
1887 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
1888 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
1889 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
1890 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
1891 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
1892 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
1893 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
1894 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
1895 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
1896 IX86_BUILTIN_LOADDDUP): Remove.
1897 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
1898 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
1899 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
1900 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
1901 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
1902 (ix86_init_builtins): Make static.
1903 (ix86_init_mmx_sse_builtins): Update for changed builtins.
1904 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
1905 if all the modes match. Otherwise, fake it.
1906 (get_element_number, ix86_expand_vec_init_builtin,
1907 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
1908 (ix86_expand_builtin): Make static. Update for changed builtins.
1909 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
1910 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
1911 (ix86_expand_vector_init_duplicate): New.
1912 (ix86_expand_vector_init_low_nonzero): New.
1913 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
1914 Split out from ix86_expand_vector_init; handle integer modes.
1915 (ix86_expand_vector_init): Use them.
1916 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
1917 * config/i386/i386-protos.h: Update.
1918 * config/i386/predicates.md (reg_or_0_operand): New.
1919 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
1920 (movv2sf_internal): Likewise. And a splitter to match them all.
1921 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
1922 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
1923 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
1924 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
1925 (mmx_pinsrw): Fix operand ordering.
1926 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
1927 rather than sse_loadss expander.
1928 (movv2df splitter): Similarly.
1929 (sse_loadss, sse_loadlss): Remove.
1930 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
1931 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
1932 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
1933 (sse3_movddup): Rename with '*'.
1934 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
1935 (sse2_loadsd): Remove.
1936 (vec_dupv2df_sse3): Rename from sse3_loadddup.
1937 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
1938 (sse2_pinsrw): Fix argument ordering.
1939 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
1940 (sse2_stored): Remove 'r' destination.
1941 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
1942 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
1943 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
1944 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
1945 vec_extractv16qi, vec_initv16qi): New.
1947 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
1948 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
1949 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
1951 (_mm_load_pd, _mm_store_pd): Use plain dereference.
1952 (_mm_load_si128, _mm_store_si128): Likewise.
1953 (_mm_load1_pd): Use _mm_set1_pd.
1954 (_mm_load_sd): Use _mm_set_sd.
1955 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
1956 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
1957 (_mm_set_epi64): Use _mm_set_epi64x.
1958 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
1959 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
1960 _mm_setr_epi8): Use _mm_set_foo form.
1961 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
1962 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
1963 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
1964 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
1965 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
1966 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
1967 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
1968 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
1969 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
1970 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
1971 (_mm_movedup_pd): Use _mm_shuffle_pd.
1972 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
1973 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
1974 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
1975 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
1977 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
1978 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
1979 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
1980 (_mm_store_ps): Use raw dereference.
1981 (_mm_store1_ps): Use _mm_storeu_ps.
1982 (_mm_storer_ps): Use _mm_store_ps.
1983 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
1984 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
1986 2005-01-11 Stan Shebs <shebs@apple.com>
1988 * config/rs6000/rs6000.c (machopic_output_stub): Issue
1989 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
1991 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1994 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
1995 Skip all DECLs except for FIELD_DECLs.
1997 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
1999 * config/s390/s390.c (override_options): Return error if
2000 -mbackchain, -mpacked-stack and -mhard-float are used together.
2001 (s390_va_start): Remove the backchain && packed-stack special case.
2002 (s390_gimplify_va_arg): Likewise.
2003 * doc/invoke.texi: Remove the ABI incompatibility note.
2005 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
2007 * config/s390/s390.c (struct s390_frame_layout): Remove
2009 (s390_frame_info, s390_emit_prologue): Replace occurrences of
2010 save_backchain_p with TARGET_BACKCHAIN.
2012 2005-01-11 Alan Modra <amodra@bigpond.net.au>
2015 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
2016 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
2017 * function.c (locate_and_pad_parm): Set new field.
2018 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
2019 Tweak where_pad test to include "none". Always set mem align for
2021 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
2022 not sufficient for type.
2023 (assign_parm_setup_block): If stack_parm is zero on entry, always
2024 make a new stack local. Block move old stack parm if necessary
2025 to new aligned stack local.
2026 (assign_parm_setup_stack): Use a block move to handle
2027 potentially misaligned entry_parm.
2028 (assign_parms_unsplit_complex): Specify required alignment when
2029 creating stack local.
2030 * calls.c (compute_argument_addresses): Override alignment of stack
2031 arg calculated from its type with the alignment given by
2032 FUNCTION_ARG_BOUNDARY.
2033 (store_one_arg): Likewise.
2035 2005-01-11 Jan Beulich <jbeulich@novell.com>
2037 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
2038 Change respective itanium_class attribute to ialu.
2039 (shladdp4_internal): New.
2040 * config/ia64/predicates.md (shladd_log2_operand): New.
2042 2005-01-11 Richard Henderson <rth@redhat.com>
2044 * expr.c (store_constructor): Use rtvec_alloc instead of
2045 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
2047 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
2049 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
2051 2005-01-11 Alan Modra <amodra@bigpond.net.au>
2053 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
2054 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
2055 (TARGET_RWRELOC): Define.
2056 (ia64_rwreloc_section_type_flags): Delete.
2057 (ia64_section_type_flags): New function.
2058 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
2059 (TARGET_RWRELOC): Define.
2061 2005-01-10 David Mosberger <davidm@hpl.hp.com>
2064 * config/ia64/ia64.c (process_set): For alloc insn, only call
2065 process_epilogue is !frame_pointer_needed.
2067 2005-01-10 Roger Sayle <roger@eyesopen.com>
2070 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
2071 unary operator and can't be treated as a binary/comparison operator.
2073 2005-01-10 Richard Henderson <rth@redhat.com>
2075 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
2076 (ix86_return_in_memory): Likewise.
2077 (function_arg_advance): Likewise. Mirror structure in function_arg
2078 for choosing register to advance.
2080 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
2082 * tree-vectorizer.c, tree.def: Fix comment typos.
2084 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
2086 * config/s390/s390.c (struct processor_costs): 4 new fields:
2087 ddbr, ddr, debr, der.
2088 (s390_rtx_costs): More precise handling of divide instructions.
2090 2005-01-10 David Edelsohn <edelsohn@gnu.org>
2092 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
2094 2005-01-10 Jan Beulich <jbeulich@novell.com>
2096 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
2097 names resulting from -ffunction-sections/-fdata-sections and linkonce
2099 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
2100 based on the section name. Rearrange the section name comparison logic
2101 slightly so that each section name is compared against at most once.
2103 2005-01-10 Ben Elliston <bje@au.ibm.com>
2105 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
2106 targets for which -fPIC reduces limitations on the GOT size.
2108 2005-01-09 Falk Hueffner <falk@debian.org>
2110 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
2113 2005-01-09 David Edelsohn <edelsohn@gnu.org>
2116 * collect2.c (main): Set aixrtl_flag for -brtl option.
2117 (resolve_lib_name): Search for .so file extension before .a
2120 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
2122 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
2123 (vect_analyze_data_refs_alignment): Add dump prints.
2125 2005-01-09 Ira Rosen <irar@il.ibm.com>
2127 * tree-vectorizer.c (vect_analyze_offset_expr): Use
2128 expr_invariant_in_loop_p.
2129 Initialize outputs first thing in the function.
2130 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
2131 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
2132 (vect_analyze_pointer_ref_access): Check that the initial condition of
2133 the access function is loop invariant.
2135 2005-01-09 Richard Henderson <rth@redhat.com>
2137 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
2138 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
2139 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
2140 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
2141 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
2142 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
2143 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
2144 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
2145 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
2146 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
2147 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
2148 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
2149 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
2150 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
2151 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
2152 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
2153 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
2154 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
2155 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
2156 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
2157 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
2158 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
2159 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
2161 (mmx_clrdi, pavgusb): Remove.
2162 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
2163 with leading sse_ prefix.
2164 * config/i386/sse.md: Receive them.
2165 * config/i386/mmx.md: New file.
2166 (MMXMODE12, MMXMODE24, mmxvecsize): New.
2167 (subrv2sf3): Turn into expander for normal subtraction.
2168 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
2169 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
2170 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
2171 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
2172 commutative; use ix86_binary_operator_ok.
2173 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
2174 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
2175 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
2176 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
2177 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
2178 Macroize from existing patterns; use ix86_binary_operator_ok.
2179 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
2180 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
2181 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
2182 with vec_select+vec_concat.
2183 (mmx_pshufw, mmx_pshufw_1): Likewise.
2184 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
2185 (mmx_uavgv4hi3): Model correctly.
2186 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
2187 _mm_xor_si64): Remove casts.
2189 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
2191 PR tree-optimization/19224
2192 * tree-scalar-evolution.c (get_instantiated_value,
2193 set_instantiated_value): New functions.
2194 (instantiate_parameters_1): Cache the results.
2195 (instantiate_parameters, resolve_mixers): Initialize and free
2198 2005-01-08 David Edelsohn <edelsohn@gnu.org>
2200 * config/i386/i386.md (addhi_4): Correct reference in comment.
2203 2005-01-08 Richard Henderson <rth@redhat.com>
2205 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
2206 (_mm_cvtsi128_si64x): Likewise.
2207 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
2208 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
2209 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
2210 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
2211 * config/i386/i386-protos.h: Update.
2212 * config/i386/i386.c (print_operand): Add 'H'.
2213 (ix86_fixup_binary_operands): Split out from ...
2214 (ix86_expand_binary_operator): ... here.
2215 (ix86_fixup_binary_operands_no_copy): New.
2216 (ix86_expand_fp_absneg_operator): Handle vector mode results.
2217 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
2218 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
2219 (safe_vector_operand): Use CONST0_RTX.
2220 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
2221 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
2222 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
2223 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
2225 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
2226 (IX86_BUILTIN_CMPNGESS): New.
2227 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
2228 (attr type): Add sselog1.
2229 (attr unit, attr memory): Handle it.
2230 (movti, movti_internal, movti_rex64): Move near other integer moves.
2231 (movtf, movtf_internal): Move near other fp moves.
2232 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
2233 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
2234 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
2235 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
2236 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
2237 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
2238 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
2239 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
2240 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
2241 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
2242 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
2243 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
2244 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
2245 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
2246 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
2247 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
2248 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
2249 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
2250 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
2251 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
2252 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
2253 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
2254 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
2255 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
2256 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
2257 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
2258 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
2259 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
2260 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
2261 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
2262 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
2263 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
2264 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
2265 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
2266 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
2267 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
2268 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
2269 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
2270 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
2271 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
2272 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
2273 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
2274 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
2275 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
2277 (SSEPUSH, push<SSEPUSH>): Remove.
2278 (MMXPUSH, push<MMXPUSH>): Remove.
2279 (sse_movaps, sse_movaps_1, sse_movups): Remove.
2280 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
2281 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
2282 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
2283 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
2284 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
2285 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
2286 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
2287 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
2288 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
2289 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
2290 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
2291 (ppro_sse_log_V4SF): Handle sselog1.
2292 * config/i386/predicates.md (const_0_to_1_operand): New.
2293 (const_0_to_255_mul_8_operand): New.
2294 (const_1_to_31_operand): Rename from const_int_1_31_operand.
2295 (const_2_to_3_operand, const_4_to_7_operand): New.
2296 * config/i386/sse.md: New file.
2297 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
2298 (sse_movups): Rename from sse_movups_1.
2299 (sse_loadlss): Rename from sse_loadss_1.
2300 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
2302 (negv4sf2): Use ix86_expand_fp_absneg_operator.
2303 (absv4sf2, negv2df, absv2df): New.
2304 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
2305 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
2306 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
2307 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
2308 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
2309 (sse3_addsubv4sf3): Model correctly.
2310 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
2311 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
2312 (sse_movhlps): Model with vec_select+vec_concat.
2313 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
2314 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
2315 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
2316 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
2317 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
2318 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
2319 sse2_pshufhw_1): Likewise.
2320 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
2321 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
2322 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
2323 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
2324 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
2325 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
2326 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
2327 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
2328 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
2329 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
2330 sminv8hi3): Mark commutative
2331 operands. Use ix86_binary_operator_ok.
2332 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
2333 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
2334 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
2335 sse2_punpcklqdq): Allow operand2 in memory.
2336 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
2337 sse2_movsd): Add memory alternatives.
2338 (sse_storelps): Turn expander into an insn; split after reload.
2339 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
2340 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
2342 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2344 * configure.ac (DWARF-2 debug_line): Use objdump.
2345 * configure: Regenerate.
2347 2005-01-08 Jeff Law <law@redhat.com>
2348 Diego Novillo <dnovillo@redhat.com>
2350 PR tree-optimization/18241
2351 * tree-nrv.c (tree_nrv): Ignore volatile return values.
2352 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
2353 statements with volatile operands.
2354 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
2355 operands after marking a statement with has_volatile_ops.
2357 2005-01-08 Roger Sayle <roger@eyesopen.com>
2359 * tree.c (int_fits_type_p): Always honor integer constant
2360 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
2362 2005-01-08 Roger Sayle <roger@eyesopen.com>
2364 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
2365 the latent bug in rtl_delete_block has been resolved.
2367 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
2369 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
2370 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
2372 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
2374 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
2375 library as @multilib_dir@/$(SHLIB_SONAME).
2377 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2379 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
2380 * configure: Regenerate.
2382 2005-01-07 Jakub Jelinek <jakub@redhat.com>
2384 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
2387 2005-01-07 David Edelsohn <edelsohn@gnu.org>
2390 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2391 Convert non-word aligned offset address using ld/std into
2394 2005-01-07 Richard Henderson <rth@redhat.com>
2396 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
2398 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
2400 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
2402 2005-01-07 Jakub Jelinek <jakub@redhat.com>
2404 PR tree-optimization/19283
2405 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
2406 is not shorter than the original type.
2408 PR rtl-optimization/19012
2409 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
2411 PR rtl-optimization/18861
2412 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
2413 (FULL_STATE): Define.
2414 (mark_tablejump_edge): New function.
2415 (purge_dead_tablejump_edges): New function.
2416 (find_bb_boundaries): Use it.
2418 PR tree-optimization/18828
2419 * builtins.c (expand_builtin_next_arg): Remove argument and all
2420 the argument checking.
2421 (expand_builtin): Adjust caller.
2422 (expand_builtin_va_start): Likewise. Remove error for too many
2424 (fold_builtin_next_arg): Issue error for too many arguments.
2425 After checking arguments, replace them with magic arguments that
2426 prevent further checking of the args.
2428 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2430 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
2432 2005-01-06 Roger Sayle <roger@eyesopen.com>
2435 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
2436 and %{.S:...} (and their negative variants) to test whether the
2437 input file is assembler or pre-processed-assembler independent of
2438 the actual filename extension.
2440 2005-01-06 Roger Sayle <roger@eyesopen.com>
2442 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
2443 of sign or zero extended values.
2445 2005-01-06 Geoffrey Keating <geoffk@apple.com>
2447 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
2448 for IBM long double format correctly.
2450 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
2452 Fix PR tree-optimization/18792
2454 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
2455 to first_loop_depth, and use loop depth instead of loop number.
2456 (build_classic_dir_vector): Ditto.
2457 (compute_data_dependences_for_loop): Use depth, not loop number.
2458 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
2459 number. Pass in loops, instead of loop numbers.
2460 (gather_interchange_stats): Ditto.
2461 (linear_transform_loops): Ditto.
2463 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
2466 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
2467 biv_fits_mode_p, extension_within_bounds_p): New functions.
2468 (check_ext_dependent_givs): Use them.
2470 2005-01-06 Roger Sayle <roger@eyesopen.com>
2472 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
2473 more than one barrier, in which case we should delete them all.
2475 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
2477 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
2479 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
2481 Fix PR middle-end/19286
2483 * dwarf2out.c (gen_subprogram_die): If we've already tried to
2484 output this subprogram, simply ignore this attempt to do it again.
2485 (add_abstract_origin_attribute): Don't abort trying to add the abstract
2486 origin attribute if it's not possible.
2487 (gen_block_die): Don't ignore subblocks of "unused" blocks.
2488 (decls_for_scope): Ditto.
2489 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
2490 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
2492 2005-01-05 Richard Henderson <rth@redhat.com>
2495 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
2496 (bdesc_2arg): Use it.
2497 (ix86_expand_binop_builtin): Force operands into registers
2499 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
2500 ix86_expand_sse_compare, ix86_expand_sse_comi,
2501 ix86_expand_builtin): Likewise.
2503 2005-01-05 Richard Henderson <rth@redhat.com>
2505 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
2507 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
2508 (mulv4hi3): Set itanium_class mmmul.
2509 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
2510 (fpack): Rename from fpack_sfsf.
2512 2005-01-05 Richard Henderson <rth@redhat.com>
2515 * reload1.c (do_input_reload): Restrict the optimization deleteing
2516 a previous output reload to RELOAD_FOR_INPUT.
2518 2005-01-05 Steven Bosscher <stevenb@suse.de>
2520 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
2521 comment that we fall through after case.
2522 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
2523 (distribute_links): Likewise.
2524 * cse.c (cse_insn): Likewise.
2525 * cselib.c (cselib_invalidate_mem): Likewise.
2526 * df.c: Update comments at the top of the file.
2527 (read_modify_subreg_p): Update comments here too.
2528 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
2529 * flow.c (mark_set_1): Likewise.
2530 (mark_used_regs): Likewise.
2531 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2532 (canon_list_insert): Likewise.
2533 (mark_set): Likewise.
2534 (try_replace_reg): Likewise.
2535 (store_killed_in_insn): Likewise.
2536 * loop.c (count_one_set): Likewise.
2537 (basic_induction_var): Likewise.
2538 * postreload-gcse.c (find_mem_conflicts): Likewise.
2539 * postreload.c (reload_combine_note_store): Likewise.
2540 (move2add_note_store): Likewise.
2541 * reload.c (find_equiv_reg): Likewise.
2542 (mark_referenced_resources): Likewise.
2543 * rtlanal.c (set_noop_p): Likewise.
2544 (note_stores): Likewise.
2545 (note_uses): Likewise.
2546 * sched-deps.c (sched_analyze_1): Likewise.
2547 * sched-rgn.c (check_live_1): Likewise.
2548 (update_live_1): Likewise.
2549 * config/i860/i860.c: Likewise.
2551 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
2553 (ZERO_EXTRACT): Mention that this one can be an lvalue.
2555 * doc/rtl.texi: Update documentation for bit-fields and SET.
2557 2005-01-05 Roger Sayle <roger@eyesopen.com>
2559 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
2561 2005-01-05 Jan Hubicka <jh@suse.cz>
2562 Richard Henderson <rth@redhat.com>
2565 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
2568 2005-01-05 Richard Henderson <rth@redhat.com>
2571 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
2572 (sse_shufps): Change operand 3 to const_int_operand.
2573 (sse2_storelps): Fix typo in template.
2574 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
2575 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
2576 (ix86_expand_builtin): Likewise.
2578 2005-01-05 Julian Brown <julian@codesourcery.com>
2580 * config/arm/arm.c (arm_return_in_memory): Treat complex types
2581 as aggregates for AAPCS ABIs.
2583 2005-01-05 Stan Shebs <shebs@apple.com>
2585 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
2586 Mach-O getters if ppc64.
2587 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
2589 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2590 signed four-byte field for global code case.
2591 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
2593 2005-01-05 Roger Sayle <roger@eyesopen.com>
2596 * c-common.c: Include real.h.
2597 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
2598 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
2599 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
2600 * Makefile.in (c-common.o): Update dependencies.
2602 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
2604 * c-parse.in (asm_string): Add trailing semicolon.
2606 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
2608 * c-parse.in (asm_string): New. Don't allow wide strings in
2610 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
2611 asm_string instead of STRING.
2613 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
2615 * c-typeck.c (constructor_no_implicit): Remove.
2616 (set_designator, process_init_element): Don't check
2617 constructor_no_implicit.
2619 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
2620 Kaz Kojima <kkojima@gcc.gnu.org>
2623 * lcm.c (create_pre_exit): New.
2624 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
2625 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
2627 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
2629 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
2630 -msoft-float in target_float_switch.
2631 * arm.c (arm_override_options): Fix processing of target_float_switch.
2633 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
2635 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
2638 2004-01-05 Uros Bizjak <uros@kss-loka.si>
2640 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
2641 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
2643 2005-01-04 Roger Sayle <roger@eyesopen.com>
2645 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
2646 if deleting the then-block allows the test-block to fallthru to the
2649 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
2652 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
2653 after the full declaration if the are in two different TUs.
2655 2005-01-04 Richard Henderson <rth@redhat.com>
2658 * tree-sra.c (generate_one_element_init): Just
2659 call gimplify_and_add.
2660 (generate_element_init): Record the
2661 new referenced variables and mark them for renaming
2662 and split out to ...
2663 (generate_element_init_1): This.
2664 (scalarize_init): Don't call push_gimplify_context/
2665 pop_gimplify_context.
2667 2005-01-04 Geoffrey Keating <geoffk@apple.com>
2669 * toplev.c (get_src_pwd): Handle failure of getpwd().
2671 2005-01-04 Roger Sayle <roger@eyesopen.com>
2673 * fold-const.c (fold_single_bit_test): Delete unreachable handling
2675 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
2676 all the cases handled by it are inverted by invert_truthvalue.
2678 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2680 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
2681 (save_register_windowsi): Likewise.
2683 2005-01-04 Richard Henderson <rth@redhat.com>
2685 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
2687 2005-01-04 Uros Bizjak <uros@kss-loka.si>
2690 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
2691 any simplifications of vector mode comparison operators.
2692 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
2694 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
2695 Devang Patel <dpatel@apple.com>
2697 PR tree-optimization/18308
2698 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
2699 the operands before creating a new expression.
2700 * dojump.c (do_jump): Make drop_through_label available
2701 for all cases. Add expansion of COND_EXPR.
2703 2005-01-04 Ira Rosen <irar@il.ibm.com>
2705 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
2706 INTEGER_CST instead of TREE_CONSTANT.
2707 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
2708 instead of TREE_CONSTANT.
2709 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
2710 instead of TREE_CONSTANT.
2712 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2714 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
2716 2005-01-04 Uros Bizjak <uros@kss-loka.si>
2719 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
2720 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
2722 2005-01-03 Richard Henderson <rth@redhat.com>
2724 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
2725 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
2726 fold_convert_const_real_from_real): Split out from ...
2727 (fold_convert_const): ... here.
2729 2005-01-03 Richard Henderson <rth@redhat.com>
2732 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
2733 (mov<MMXMODEI>_internal): Likewise.
2734 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
2735 Add V2SF case; use it for SSE1; don't use TI.
2736 (movdf_integer): Likewise.
2737 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
2739 2005-01-03 Ira Rosen <irar@il.ibm.com>
2741 * tree-vectorizer.c (vect_strip_conversions): New function.
2742 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
2743 check for binary class.
2745 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
2749 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
2751 * gimple-low.c (mark_blocks_with_used_vars): New function.
2752 (mark_blocks_with_used_subblocks): Ditto.
2753 (mark_used_blocks): Ditto.
2754 (pass_mark_used_blocks): New pass.
2755 * tree-inline.c: Include debug.h.
2756 (expand_call_inline): Call outlining_inline_function here.
2757 * tree-optimize.c (init_tree_optimization_passes): Add
2758 pass_mark_used_blocks.
2759 * tree-pass.h (pass_mark_used_blocks): New.
2760 * Makefile.in (tree-inline.o): Add debug.h dependency.
2762 2005-01-03 Geoffrey Keating <geoffk@apple.com>
2764 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
2765 VAR_DECLs to have weak_import attribute.
2767 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
2770 2004-01-03 Steven Bosscher <stevenb@suse.de>
2772 * passes.c (rest_of_compilation): Don't run regmove if only
2773 flag_expensive_optimizations, require flag_regmove instead.
2775 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2777 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
2779 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
2780 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2781 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
2782 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2784 2005-01-03 Richard Henderson <rth@redhat.com>
2786 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
2787 (ia64_const_ok_for_letter_p): New.
2788 (ia64_const_double_ok_for_letter_p): New.
2789 (ia64_extra_constraint): New.
2790 (ia64_expand_vecint_compare): New.
2791 (ia64_expand_vcondu_v2si): New.
2792 (ia64_expand_vecint_cmov): New.
2793 (ia64_expand_vecint_minmax): New.
2794 (ia64_print_operand): Add 'v'.
2795 (ia64_preferred_reload_class): New.
2796 (ia64_vector_mode_supported_p): New.
2797 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
2798 (PREFERRED_RELOAD_CLASS): Move to function.
2799 (CONST_OK_FOR_LETTER_P): Move to function.
2800 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
2801 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
2802 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
2803 (EXTRA_CONSTRAINT): Move to function.
2804 * config/ia64/ia64.md: Include vect.md.
2805 (itanium_class): Add mmalua.
2807 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
2809 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
2810 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
2812 (const_int_2bit_operand): New.
2813 (fr_reg_or_0_operand): New.
2814 * config/ia64/ia64-modes.def: Add vector modes.
2815 * config/ia64/ia64-protos.h: Update.
2816 * config/ia64/vect.md: New file.
2818 2005-01-03 Richard Henderson <rth@redhat.com>
2820 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
2822 2005-01-03 Uros Bizjak <uros@kss-loka.si>
2825 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
2827 (log1pdf2): Change mode of operands[0,1] to DFmode.
2829 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2831 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
2832 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
2833 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
2834 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
2835 SPARC_RELAXED_ORDERING.
2837 2005-01-03 Richard Henderson <rth@redhat.com>
2838 Uros Bizjak <uros@kss-loka.si>
2841 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
2842 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
2843 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
2845 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
2846 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
2847 const_pow2_1_to_128_operand): New predicates.
2849 2005-01-02 Greg McGary <greg@mcgary.org>
2851 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
2853 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
2854 object. [ptr_type]: Remove unused variable.
2855 Remember nearest addressable array-element or record-component
2856 when checking bitfield components. Tolerate empty BIND_EXPR.
2858 2005-01-01 Richard Henderson <rth@redhat.com>
2860 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
2861 that don't narrow the value. Fail for other conversions.
2863 2005-01-01 Richard Henderson <rth@redhat.com>
2866 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
2867 * c-lang.c (finish_file): Don't do it here.
2868 * objc/objc-act.c (objc_finish_file): Likewise.
2870 * cgraph.c (decl_assembler_name_equal): New.
2871 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
2872 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
2873 * cgraph.h (struct cgraph_varpool_node): Add next.
2874 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
2875 * varasm.c (assemble_alias): Mark the target as needed.
2877 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
2880 * function.c (get_arg_pointer_save_area): Use entry_of_function
2881 instead of get_insns.
2883 2005-01-01 Roger Sayle <roger@eyesopen.com>
2884 Andrew Pinski <pinskia@physics.uc.edu>
2885 James E. Wilson <wilson@specifixinc.com>
2887 PR rtl-optimization/12092
2888 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
2891 2005-01-01 Roger Sayle <roger@eyesopen.com>
2892 Olivier Hainque <hainque@act-europe.fr>
2894 * tree.c (int_fits_type_p): A narrower type always fits in a
2895 wider one, except for negative values into unsigned types.
2897 2005-01-01 Roger Sayle <roger@eyesopen.com>
2899 * tree.c (int_fits_type_p): Compare the result of force_fit_type
2900 with the original constant rather than require TREE_OVERFLOW.
2902 2005-01-01 Steven Bosscher <stevenb@suse.de>
2905 * c-decl.c (finish_function): If compiling C99, annotate the
2906 compiler generated return with the current file name and line 0.
2907 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
2908 the source line is greater than 0.
2909 (remove_bb): Likewise.
2911 See ChangeLog.12 for earlier changes.