1 2004-07-12 Sebastian Pop <pop@cri.ensmp.fr>
3 * cfgloop.h (struct loop): Add nb_iterations field.
4 (current_loops): Declare.
5 * tree-chrec.c (chrec_not_analyzed_yet,
6 chrec_dont_know, chrec_known, count_ev_in_wider_type,
7 chrec_contains_symbols_defined_in_loop): Remove the temporary
9 * tree-flow-inline.h (loop_containing_stmt): New function.
10 * tree-scalar-evolution.c: Add implementation.
11 * tree-scalar-evolution.h: Add declarations.
13 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
15 PR rtl-optimization/15921
16 * Makefile.in (global.o): Add recog.h.
18 * global.c (recog.h): Add the include-clause.
19 (bb_info): New member earlyclobber.
20 (allocate_bb_info, free_bb_info): Initialize/finish the new
22 (earlyclobber_regclass, earlyclobber_regclass_length): The new
24 (check_earlyclobber, regclass_intersect,
25 mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
27 (calculate_local_reg_bb_info): Calculate value of earlyclobber.
28 (make_accurate_live_analysis): Modify pavin.
30 2004-07-12 Diego Novillo <dnovillo@redhat.com>
32 * tree-cfg.c (find_taken_edge): Statically compute the truth
33 value of a predicate comparing an SSA_NAME to itself.
35 2004-07-12 Roger Sayle <roger@eyesopen.com>
37 * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
38 rs6000 doesn't have shift-and-add or shift-and-sub instructions
39 by returning the cost of a multiplication plus an addition.
41 2004-07-12 Paolo Bonzini <bonzini@gnu.org>
43 PR tree-optimization/14107
44 * gimplify.c (gimplify_return_expr): Accept a
45 RETURN_EXPR with an error argument.
46 * tree-optimize.c (init_tree_optimization_passes):
47 Run pass_warn_function_return at -O0.
49 2004-07-12 Roger Sayle <roger@eyesopen.com>
51 * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
54 2004-07-12 Richard Sandiford <rsandifo@redhat.com>
56 * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
57 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
58 * config/mips/3000.md: Add copyright notice. Remove automota and
59 function units; use generic ones instead. Only define reservations
60 for things that are different from generic.md. Extend each clause
62 * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
63 * config/mips/mips.md: Include them. Remove define_function_units.
64 (alu, imuldiv): New automata and units.
66 2004-07-12 Ben Elliston <bje@au.ibm.com>
68 * doc/invoke.texi (Optimize Options): Document -frename-registers
69 not being enabled by default at -O3.
71 2004-07-11 Roger Sayle <roger@eyesopen.com>
73 * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
74 floating point additions, to keep real immediate constant positive.
75 <MINUS_EXPR>: For floating point subtractions, only transform X - -C
76 into X + C, and leave positive real constants as X - C.
78 2004-07-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
80 * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
82 2004-07-11 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
84 PR tree-optimization/15654
85 * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
87 2004-07-11 Roger Sayle <roger@eyesopen.com>
89 * builtins.c (fold_builtin_fputs): Don't bother converting the
90 return type to integer_type_node, as we've already checked that
91 the result will be ignored.
93 * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
94 that signed addition, subtraction, multiplication, division,
95 remainder, negation and absolute value may potentially trap.
97 * fold-const.c (fold_ignored_result): New function to strip
98 non-side-effecting tree nodes from an expression whose result
100 (fold_convert): Call fold_ignored_result when casting a value
102 (omit_one_operand): Call fold_ignored_result on the "omitted"
103 operand when building a COMPOUND_EXPR.
104 (pedantic_omit_one_operand): Likewise.
105 * tree.h (fold_ignored_result): Prototype here.
106 * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
107 when we're going to ignore the result.
109 2004-07-11 Richard Henderson <rth@redhat.com>
112 * tree-ssa-ccp.c (fold_stmt_r): Split out...
113 * tree.c (fields_compatible_p, find_compatible_field): ... new.
114 * tree.h (fields_compatible_p, find_compatible_field): Declare.
115 * tree-sra.c (sra_hash_tree): Hash fields by offset.
116 (sra_elt_eq): Use fields_compatible_p.
117 (generate_one_element_ref): Use find_compatible_field.
119 2004-07-11 Richard Henderson <rth@redhat.com>
122 * tree-sra.c (generate_one_element_init): New.
123 (generate_element_init): Use it.
124 (scalarize_init): Push/pop gimplify context around it.
125 (find_new_referenced_vars_1, find_new_referenced_vars): New.
126 * gimplify.c (gimplify_expr): Allow SSA_NAME.
128 2004-07-11 Roger Sayle <roger@eyesopen.com>
130 * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
131 combine.c's combine_insn_cost.
132 * rtl.h (insn_rtx_cost): Prototype here.
133 * combine.c (combine_insn_cost): Delete function.
134 (combine_validate_cost): Update callers of combine_insn_cost to
135 call insn_rtx_cost instead.
136 (combine_instructions): Likewise. Use NONJUMP_INSN_P to avoid
137 requesting the rtx_cost of call and/or jump instructions.
139 * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
140 rtx_cost directly. Don't request/use the cost of call or jump
141 instructions. Return -1 if the cost of any instruction can't be
142 determined (or the BB contains a function call).
143 (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
144 -1 (i.e. can't determine the cost of any instruction or the basic
145 block contains a subroutine call).
146 (find_if_case_2): Likewise.
148 2004-07-11 Roger Sayle <roger@eyesopen.com>
150 * rs6000.c (struct processor_costs): Change semantics of fields to
151 include the COST_N_INSNS scaling, and update all initializers.
152 (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
153 Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
154 Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP. When
155 optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
157 2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
159 * LANGUAGES: Remove obsolete information.
161 2004-07-11 Ulrich Weigand <uweigand@de.ibm.com>
163 * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
164 SIGBUS signal frames, the PSW address points *to* the faulting
165 instruction, not after it.
167 2004-07-11 Ulrich Weigand <uweigand@de.ibm.com>
169 * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
170 added to TLS symbol addresses.
172 2004-07-11 Richard Henderson <rth@redhat.com>
174 * expmed.c (init_expmed): Use stack-local structures for
175 temporary rtl. Don't recognize shifts.
177 2004-07-11 Richard Henderson <rth@redhat.com>
179 * expr.c (store_expr): Don't fiddle subreg promotion for types
180 with precision smaller than the mode.
182 2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
184 * tree.h (all_types_permanent): Remove.
186 2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
188 * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
189 maybe_build_cleanup, update_decl_after_saving): Remove hooks.
190 * langhooks.c (lhd_clear_binding_stack): Remove.
191 * langhooks-def.h (lhd_clear_binding_stack,
192 LANG_HOOKS_MAYBE_BUILD_CLEANUP,
193 LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
194 LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
195 LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
196 (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
197 * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
198 LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
199 LANG_HOOKS_MAYBE_BUILD_CLEANUP,
200 LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
201 * tree.h (poplevel): Don't declare.
202 * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
203 LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
204 * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
205 LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
208 2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
210 PR tree-optimization/16437
211 * c-common.c (shorten_compare): Don't mark result of conversion to
212 narrower signed type as overflowing.
213 * fold-const.c (decode_field_reference): Determine whether
214 signedness comes from outer type using precision rather than size.
216 2004-07-11 Phil Edwards <phil@codesourcery.com>
218 * configure.ac: Alphabetize --enable-checking list, add
219 missing valgrind entry.
220 * configure: Regenerate.
222 2004-07-11 Phil Edwards <phil@codesourcery.com>
224 * doc/install.texi (Testing): Fix syntax in "make check" example.
226 2004-07-10 James E Wilson <wilson@specifixinc.com>
228 * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
230 2004-07-10 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
232 PR rtl-optimization/16001
233 * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
236 2004-07-10 Geoffrey Keating <geoffk@apple.com>
238 * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
240 2004-07-10 Steve Kargl <sgk@troutmask.apl.washington.edu>
241 James Morrison <phython@gcc.gnu.org>
243 * doc/contrib.texi (Contributors): Add gfortran contributors and
244 fix a couple of typos.
246 2004-07-10 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
248 PR rtl-optimization/15387
249 * calls.c (check_sibcall_argument_overlap_1): Handle pointers
250 to incoming args space correctly.
252 2004-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
254 * pa.c (output_indirect_call): Only use %r2 as the link register in
255 indirect calls with the long PA 2.0 pc-relative branch.
257 2004-07-10 Daniel Jacobowitz <dan@debian.org>
259 * config/i386/i386.c (override_options): Pick a 64-bit CPU
260 for the default tuning if TARGET_64BIT.
262 2004-07-10 Richard Henderson <rth@redhat.com>
264 * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
265 to HOST_WIDE_INT. Fold pad-args-down arithmetic.
267 2004-07-10 Jakub Jelinek <jakub@redhat.com>
269 * expr.h (store_bit_field, extract_bit_field): Remove last argument.
270 * expmed.c (store_bit_field, extract_bit_field): Remove last
272 * builtins.c (expand_builtin_signbit): Adjust callers.
273 * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
274 * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
275 * ifcvt.c (noce_emit_move_insn): Likewise.
276 * stmt.c (expand_return): Likewise.
277 * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
278 store_field, expand_expr_real_1): Likewise.
280 2004-07-10 Richard Henderson <rth@redhat.com>
282 * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
284 2004-07-09 Mike Stump <mrs@apple.com>
286 * config/darwin.c (no_dead_strip): Add.
287 (HAVE_DEAD_STRIP): Add.
288 (darwin_emit_unwind_label): Ensure that we don't dead code strip
291 2004-07-09 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
293 * tree-ssa-loop-im.c: New file.
294 * Makefile.in (tree-ssa-loop-im.o): Add.
295 * cfgloop.c (superloop_at_depth): New function.
296 * cfgloop.h (superloop_at_depth): Declare.
297 * common.opt (ftree-lim): New flag.
298 * expr.c (array_ref_up_bound): New function.
299 * params.def (PARAM_LIM_EXPENSIVE): New parameter.
300 * timevar.def (TV_LIM): New timevar.
301 * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
302 computing immediate uses of a phi node.
303 * tree-flow.h (struct tree_ann_common_d): Add aux field.
304 (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
305 * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
306 * tree-pass.h (pass_lim): Declare.
307 * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
309 (pass_lim): New pass structure.
310 * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
311 * tree.c (in_array_bounds_p): New function.
312 * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
313 (in_array_bounds_p, array_ref_up_bound): Declare.
314 * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
315 * doc/passes.texi (tree-ssa-loop-im.c): Document.
317 2004-07-09 Richard Henderson <rth@redhat.com>
319 * builtins.c (expand_builtin_stpcpy): Don't modify len.
321 * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
324 2004-07-10 Kelley Cook <kcook@gcc.gnu.org>
326 * flags.h: Delete redundant prototypes that are being generated
327 in options.h from common.opt.
328 * common.opt: Add in the expository comments formerly in flags.h.
330 2004-07-09 Jan Beulich <jbeulich@novell.com>
332 * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
333 available for use only when TARGET_MMX/_SSE is set, and check for
334 variable argument function if any register count is non-zero.
335 (function_arg): Correctly suppress repeated warnings for passing SSE
336 vectors are arguments without SSE enabled.
337 (ix86_function_arg_boundary): Without SSE enabled, the use of what
338 would be SSE register modes does no longer influence the alignment.
340 2004-07-09 Richard Henderson <rth@redhat.com>
342 * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
343 Always align upward to arg boundary. Use size_in_bytes/round_up.
344 Maintain type-correctness of constants.
345 * stor-layout.c (round_up, round_down): Special-case powers of 2.
347 2004-07-09 David S. Miller <davem@nuts.davemloft.net>
349 * config/sparc/sparc.c (*_costs): Scale instruction costs
351 (sparc_rtx_costs): Adjust as appropriate.
353 2004-07-09 Jan Beulich <jbeulich@novell.com>
355 * config/i386/mm3dnow.h: New.
356 * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
358 2004-07-09 Richard Henderson <rth@redhat.com>
360 * simplify-rtx.c (simplify_const_relational_operation): Only
361 look at bounds of scalar integers.
363 2004-07-09 Jan Beulich <jbeulich@novell.com>
365 * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
367 2004-07-09 Andrew Pinski <apinski@apple.com>
369 * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
371 (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
372 UOBJC_METACLASS_decl.
374 2004-07-09 James E Wilson <wilson@specifixinc.com>
377 * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
378 do return a parallel if hfa_mode == XFmode and mode == TImode.
380 2004-07-09 Jan Beulich <jbeulich@novell.com>
382 * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
383 permissible for unary plus.
385 2004-07-09 Jan Beulich <jbeulich@novell.com>
387 * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
388 (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
389 (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
390 (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
391 BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
392 * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
393 BUILTIN_POPCOUNTxxx): Arguments are unsigned.
394 (BUILTIN_xxxIMAX): New.
395 * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
396 BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
399 2004-07-09 David S. Miller <davem@nuts.davemloft.net>
401 * config/sparc/sparc.h (processor_costs): Define.
402 (sparc_costs): Declare.
403 * config/sparc/sparc.c (cypress_costs, supersparc_costs,
404 hypersparc_costs, sparclet_costs, ultrasparc_costs,
405 ultrasparc3_costs): New.
406 (sparc_override_options): Set sparc_costs as appropriate.
407 (sparc_rtx_costs): Use sparc_costs instead of messy
410 2004-07-09 Steven Bosscher <stevenb@suse.de>
412 * doc/md.texi (Processor pipeline description): Mention that
413 the old pipeline description is deprecated.
415 * config/rs6000/7450.md (automaton ppc7450): Split up, move
416 mciu_7450 function unit to...
417 (automaton ppc7450mciu): ...new automaton.
419 * haifa-sched.c (insert_schedule_bubbles_p): Remove.
420 (schedule_block): Don't consider inserting bubbles.
421 (sched_init): Don't initialize DFA bubbles.
422 * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
423 TARGET_SCHED_DFA_BUBBLE): Remove.
424 * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
425 * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
426 TARGET_SCHED_DFA_BUBBLE): Remove documentation.
428 * stmt.c (conditional_context): Remove prototype.
429 * tree.h (conditional_context): Remove.
430 * tree-cfg.c (pre_insert_on_edge): Remove.
432 * c-common.h (c_expand_asm_operands): Remove prototype.
433 * c-typeck.c (c_expand_asm_operands): Remove.
435 2004-07-09 Jan Beulich <jbeulich@novell.com>
437 * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
438 their base modes. CTImode, TCmode, and XCmode must be passed in memory.
439 TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
440 and V8QI are class SSE. All sufficiently small remaining vector modes
441 must be passed in one or two integer registers.
442 (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
444 (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
445 __builtin_ia32_pmuludq128 have non-uniform argument and return types
446 and must thus be handled explicitly.
447 * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
449 (movv8qi_internal, movv4hi_internal, movv2si_internal,
450 movv2sf_internal): Permit moving between MMX and XMM registers (since
451 MMX areguments and return values are passed in XMM registers).
452 (sse2_umulsidi3): Correct type and mode.
454 2004-07-09 Richard Henderson <rth@redhat.com>
456 * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
458 2004-07-09 Eric Christopher <echristo@redhat.com>
460 * config/rs6000/40x.md: Split into two automatons.
462 2004-07-09 Zack Weinberg <zack@codesourcery.com>
463 Andrew Pinski <apinski@apple.com>
465 * c-opts.c (c_common_post_options): Force unit-at-a-time mode
466 on when we have more than one input file.
467 (c_common_parse_file): Restore loop over all input files.
468 Clarify diagnostic for -dy when YYDEBUG wasn't defined.
470 * c-decl.c (set_type_context): New function.
471 (pop_scope): Use it to set context of types. When we
472 encounter a TYPE_DECL, set the context of the attached type too.
473 (pop_file_scope): Don't call cpp_undef_all here.
474 (diagnose_mismatched_decls): Do not complain about a second
475 definition of an 'extern inline' function if it's not in the
476 same translation unit. Do not complain about inline
477 declaration after use if the use was in a different
479 (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
480 (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
482 (pushdecl_top_level): Likewise.
483 (grokdeclarator): Clarify what is going on with setting
484 DECL_EXTERNAL on function types, a little.
485 (c_write_global_declarations): Don't do anything if
486 -fsyntax-only or errors have been encountered.
488 2004-07-09 Zack Weinberg <zack@codesourcery.com>
490 * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
492 2004-07-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
495 * pa.c (output_indirect_call): Use %r2 as the link register when
496 calling $$dyncall with a pc-relative branch.
498 2004-07-08 Gerald Pfeifer <gerald@pfeifer.com>
500 * doc/install.texi (Binaries): Mention OpenPKG.
502 2004-07-09 Diego Novillo <dnovillo@redhat.com>
504 Fix PR tree-optimization/15555
505 * tree-dfa.c (dump_variable): If the variable is a pointer
506 SSA_NAME, also dump its points-to information.
507 * tree-flow.h (struct ptr_info_def): Add field
509 (dump_points_to_info_for): Declare.
510 (debug_points_to_info_for): Declare.
511 * tree-optimize.c (init_tree_optimization_passes): Add a
512 second alias analysis pass after DOM2.
513 Move pass_del_pta to a later spot.
514 * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
515 create a name tags when we find a dereferenced pointer. Just
516 mark the pointer dereferenced.
517 (collect_points_to_info_for): Move code to clear points-to
518 information to create_name_tags.
519 (create_name_tags): New function.
520 (compute_flow_sensitive_aliasing): Call it.
521 (setup_pointers_and_addressables): Mark type tags for renaming
523 (create_memory_tag): ... here.
524 (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
525 (dump_points_to_info_for): Declare extern.
526 (debug_points_to_info_for): New function.
528 2004-07-09 Paolo Bonzini <bonzini@gnu.org>
530 * config/arc/arc.md: Switch to DFA-based scheduler description.
531 * config/arc/arc.c: Switch to DFA-based scheduler description.
533 2004-07-09 Richard Earnshaw <rearnsha@arm.com>
535 * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
538 2004-07-09 Richard Henderson <rth@redhat.com>
540 * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
541 * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
542 (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
543 * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
545 * config/v850/v850-protos.h (v850_va_arg): Remove.
546 * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
547 (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
548 * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
549 (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
550 (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
552 2004-07-09 Richard Earnshaw <rearnsha@arm.com>
555 * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
556 and DImode to use +/-4k offset.
558 2004-07-09 Richard Henderson <rth@redhat.com>
560 * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
562 * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
563 (xstormy16_gimplify_va_arg_expr): Rewrite from
564 xstormy16_expand_builtin_va_arg.
565 * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
567 * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
568 * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
570 * config/sh/sh-protos.h (sh_va_arg): Remove.
571 * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
572 (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
573 * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
575 * config/pa/pa-protos.h (hppa_va_arg): Remove.
576 * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
577 (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
578 * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
580 * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
581 * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
582 (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
583 * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
585 2004-07-09 Eric Botcazou <ebotcazou@libertysurf.fr>
587 * config/sparc/sparc.md (return): Rewrite length formula.
588 * config/sparc/sparc.c (output_return): Pass 1 as 5th
589 argument to final_scan_insn when in a delay slot.
590 (output_sibcall): Likewise.
592 2004-07-09 Richard Earnshaw <rearnsha@arm.com>
594 * arm.c (arm_cpp_interwork): New variable.
595 (arm_override_options): Set it if TARGET_INTERWORK was on the command
597 * arm.h (arm_cpp_interwork): Declare it.
598 (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
599 __THUMB_INTERWORK__ in the preprocessor.
601 2004-07-09 Nathan Sidwell <nathan@codesourcery.com>
603 * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
605 2004-07-09 Eric Botcazou <ebotcazou@libertysurf.fr>
608 * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
609 Override default settings to account for -m32 and -m64.
611 2004-07-08 Randolph Chung <tausq@debian.org>
613 * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
615 2004-07-09 Alexandre Oliva <aoliva@redhat.com>
617 * builtins.c (fold_builtin_strncpy): Make sure len is a constant
618 before comparing it as such.
620 2004-07-08 Richard Henderson <rth@redhat.com>
622 * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
623 temporary. Use bit arithmetic to align.
625 2004-07-08 Jerry Quinn <jlquinn@optonline.net>
627 * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
628 nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
629 NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
630 * bb-reorder.c (mark_bb_for_unlikely_executed_section,
631 add_labels_and_missing_jumps, find_jump_block,
632 fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
634 * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
635 link_btr_uses, move_btr_def): Likewise.
636 * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
637 expand_builtin_expect_jump): Likewise.
638 * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
639 * calls.c (expand_call, emit_library_call_value_1): Likewise.
640 * cfganal.c (forwarder_block_p): Likewise.
641 * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
642 make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
643 find_bb_boundaries): Likewise.
644 * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
645 merge_blocks_move_predecessor_nojumps,
646 merge_blocks_move_successor_nojumps, insns_match_p,
647 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
648 try_optimize_cfg): Likewise.
649 * cfgexpand.c (expand_block, construct_exit_block): Likewise.
650 * cfglayout.c (skip_insns_after_block, label_for_bb,
651 record_effective_endpoints, insn_locators_initialize,
652 fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
653 * cfgmainloop.c (create_loop_notes): Likewise.
654 * cfgrtl.c (delete_insn, delete_insn_chain,
655 create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
656 update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
657 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
658 redirect_branch_edge, force_nonfallthru_and_redirect,
659 rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
660 rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
661 update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
662 purge_dead_edges, cfg_layout_redirect_edge_and_branch,
663 cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
664 cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
665 need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
666 * combine.c (combine_instructions, can_combine_p, try_combine,
667 find_split_point, record_dead_and_set_regs, reg_dead_at_p,
668 distribute_notes, distribute_links, insn_cuid): Likewise.
669 * cse.c (fold_rtx, cse_insn, cse_around_loop,
670 invalidate_skipped_block, cse_set_around_loop,
671 cse_end_of_basic_block, cse_main, cse_basic_block,
672 cse_condition_code_reg): Likewise.
673 * cselib.c (cselib_process_insn): Likewise.
674 * ddg.c (create_ddg): Likewise.
675 * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
677 * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
678 gen_label_die, dwarf2out_var_location): Likewise.
679 * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
680 next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
681 last_call_insn, active_insn_p, next_label, prev_label,
682 link_cc0_insns, next_cc0_user, try_split, add_insn_after,
683 add_insn_before, remove_insn, add_function_usage_to,
684 reorder_insns, find_line_note, remove_unnecessary_notes,
685 emit_insn_after_1, classify_insn): Likewise.
686 * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
687 connect_post_landing_pads, sjlj_mark_call_sites,
688 sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
689 can_throw_internal, can_throw_external, set_nothrow_function_flags,
690 convert_to_eh_region_ranges): Likewise.
691 * explow.c (optimize_save_area_alloca): Likewise.
692 * expr.c (expand_expr_real): Likewise.
693 * final.c (insn_current_reference_address, compute_alignments,
694 shorten_branches, final, scan_ahead_for_unlikely_executed_note,
695 final_scan_insn, output_asm_label, leaf_function_p): Likewise.
696 * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
697 propagate_block_delete_insn, propagate_one_insn,
698 init_propagate_block_info, propagate_block, libcall_dead_p,
699 mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
701 * function.c (instantiate_virtual_regs, reorder_blocks_1,
702 expand_function_start, expand_function_end, contains,
703 thread_prologue_and_epilogue_insns,
704 reposition_prologue_and_epilogue_notes): Likewise.
705 * gcse.c (constprop_register, bypass_conditional_jumps,
706 insert_insn_end_bb, gcse_after_reload): Likewise.
707 * genemit.c (gen_expand, gen_split): Likewise.
708 * genpeep.c (gen_peephole, main): Likewise.
709 * global.c (build_insn_chain): Likewise.
710 * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
711 * haifa-sched.c (unlink_other_notes, unlink_line_notes,
712 get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
713 restore_line_notes, rm_redundant_line_notes, rm_other_notes,
714 ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
715 * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
716 cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
717 merge_if_block, block_jumps_and_fallthru_p, find_if_block,
718 dead_or_predicable): Likewise.
719 * integrate.c (try_constants): Likewise.
720 * jump.c (rebuild_jump_labels, cleanup_barriers,
721 purge_line_number_notes, init_label_info, mark_all_labels,
722 squeeze_notes, get_label_before, get_label_after,
723 reversed_comparison_code_parts, simplejump_p, pc_set,
724 returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
725 delete_barrier, delete_prior_computation, delete_computation,
726 delete_related_insns, delete_for_peephole, redirect_jump):
728 * lcm.c (optimize_mode_switching): Likewise.
729 * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
731 * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
732 * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
733 * loop-iv.c (simplify_using_assignment): Likewise.
734 * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
735 libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
736 find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
737 loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
738 check_insn_for_givs, check_final_value, update_giv_derive,
739 basic_induction_var, product_cheap_p, check_dbra_loop,
740 loop_insn_first_p, last_use_this_basic_block,
741 canonicalize_condition, get_condition, loop_regs_scan, load_mems,
742 try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
743 * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
744 sms_schedule_by_order): Likewise.
745 * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
746 * postreload.c (reload_cse_simplify_operands, reload_combine,
747 reload_cse_move2add): Likewise.
748 * predict.c (can_predict_insn_p, estimate_probability,
749 expected_value_to_br_prob, process_note_predictions): Likewise.
750 * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
751 * profile.c (branch_prob): Likewise.
752 * ra-build.c (live_out_1, livethrough_conflicts_bb,
753 detect_webs_set_in_cond_jump): Likewise.
754 * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
755 ra_print_rtl_with_bb): Likewise.
756 * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
757 * recog.c (next_insn_tests_no_inequality, find_single_use,
758 split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
759 * reg-stack.c (next_flags_user, record_label_references,
760 emit_swap_insn, swap_rtx_condition, subst_stack_regs,
761 compensate_edge, convert_regs_1): Likewise.
762 * regclass.c (scan_one_insn): Likewise.
763 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
764 regmove_optimize, fixup_match_1, single_set_for_csa,
765 combine_stack_adjustments_for_block): Likewise.
766 * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
767 * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
768 find_equiv_reg): Likewise.
769 * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
770 reload_as_needed, emit_input_reload_insns, do_output_reload,
771 delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
773 * reorg.c (find_end_label, emit_delay_sequence,
774 delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
775 get_jump_flags, rare_destination, mostly_true_jump,
776 try_merge_delay_insns, redundant_insn, own_thread_p,
777 fill_simple_delay_slots, fill_slots_from_thread,
778 fill_eager_delay_slots, relax_delay_slots, make_return_insns,
779 dbr_schedule): Likewise.
780 * resource.c (find_basic_block, next_insn_no_annul,
781 find_dead_or_set_registers, mark_target_live_regs): Likewise.
782 * rtl.h (RTX_PREV): Likewise.
783 * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
784 no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
785 reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
786 find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
787 tablejump_p, computed_jump_p, insns_safe_to_move_p,
788 find_first_parameter_load, can_hoist_insn_p): Likewise.
789 * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
790 sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
791 * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
792 schedule_ebbs): Likewise.
793 * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
794 is_conditionally_protected, can_schedule_ready_p,
795 add_branch_dependences, debug_dependencies): Likewise.
796 * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
798 * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
799 reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
800 set_dominates_use, ujump_to_loop_cont): Likewise.
801 * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
802 * varasm.c (output_constant_pool_1): Likewise.
804 2004-07-08 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
806 * tree-scalar-evolution.c: New file.
807 * tree-scalar-evolution.h: New file.
808 * tree-ssa-loop-niter.c: New file.
809 * Makefile.in (SCEV_H): New.
810 (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
811 * cfgloop.h (struct loop): Add bounds field.
812 * tree-flow.h (struct tree_niter_desc): New type.
813 (number_of_iterations_cond, number_of_iterations_exit,
814 loop_niter_by_eval, find_loop_niter_by_eval,
815 estimate_numbers_of_iterations, can_count_iv_in_wider_type,
816 free_numbers_of_iterations_estimates): Declare.
817 * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
818 * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
819 * doc/invoke.texi (max-iterations-to-track): Document.
821 2004-07-08 Kaz Kojima <kkojima@gcc.gnu.org>
823 * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
824 * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
825 (MODE_AFTER): Add cast appropriately.
826 * config/sh/sh.md (movdi splitter): Likewise.
827 (casesi_worker_2): Add const qualifier appropriately.
828 (eh_return): Remove unused variable.
829 (insv): Initialize v;
831 2004-07-08 Richard Henderson <rth@redhat.com>
833 * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
834 * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
835 (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
836 * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
837 (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
839 * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
840 * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
841 (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
842 * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
844 * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
845 * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
846 (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
847 * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
849 * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
850 * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
851 (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
852 * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
854 * config/i860/i860-protos.h (i860_va_arg): Remove.
855 * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
856 (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
857 * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
859 2004-05-31 Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
861 * system.h: Prototype getpagesize if missing.
862 * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
863 * configure: Regenerate.
864 * config.in: Regenerate.
866 2004-07-08 Richard Henderson <rth@redhat.com>
868 * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
869 * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
870 (fr30_gimplify_va_arg_expr): New.
871 (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
872 * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
874 2004-07-08 Vladimir Makarov <vmakarov@redhat.com>
877 * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
878 of asm_noperands result.
880 2004-07-08 Richard Henderson <rth@redhat.com>
882 * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
883 * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
884 (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
885 * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
887 2004-07-08 Richard Henderson <rth@redhat.com>
889 * builtins.c (ind_gimplify_va_arg_expr): New.
890 * tree.h (ind_gimplify_va_arg_expr): Declare.
891 * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
893 2004-07-08 Jan Beulich <jbeulich@novell.com>
895 * expmed.c (extract_bit_field): Correct condition to use vec_extract
896 patterns also on vector elements other than the first one.
897 * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
900 2004-07-08 Geoffrey Keating <geoffk@apple.com>
902 * config/rs6000/darwin-ldouble.c: Correct reference
903 to the Linnainmaa paper.
905 2004-07-08 Richard Henderson <rth@redhat.com>
907 * config/arc/arc-protos.h (arc_va_arg): Remove.
908 * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
909 (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
910 * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
912 * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
913 * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
914 (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
915 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
917 2004-07-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
919 * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
921 2004-07-08 Zack Weinberg <zack@codesourcery.com>
923 * c-decl.c (static_ctors, static_dtors): Make static.
924 (pop_file_scope): Call c_common_write_pch and
925 cgraph_finalize_compilation_unit here.
926 (build_cdtor): Moved here from c-objc-common.c; simplify.
927 (c_write_global_declarations_1): Clarify comment.
928 (c_write_global_declarations): Close the external scope before
929 doing anything else. Call build_cdtor, cgraph_optimize, and
930 mudflap_finish_file here.
931 * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
933 * c-objc-common.c: No need to include cgraph.h.
934 (build_cdtor): Moved to c-decl.c.
935 (c_objc_common_finish_file): Delete.
936 * c-tree.h: Update to match.
937 * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
938 (generate_static_references): Set TREE_USED before calling finish_decl.
939 Eliminate unnecessary dummy declaration. Call rest_of_decl_compilation
940 on the static_instances_decl.
942 2004-07-08 Zack Weinberg <zack@codesourcery.com>
944 * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
945 decls when there is only one input translation unit.
946 * langhooks.c (lhd_set_decl_assembler_name): Partially revert
947 change of 2004-07-05; do not treat declarations with
948 DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
949 * opts.c (cur_in_fname): Delete.
951 * tree.c: Revert changes of 2004-07-05; no special treatment
952 for TRANSLATION_UNIT_DECLs.
953 * Makefile.in (tree.o): Update dependencies.
955 2004-07-08 Roger Sayle <roger@eyesopen.com>
957 * builtins.c (fold_builtin_strcpy): Merge functionality from
958 simplify_builtin_strcpy. Add additional len argument. No longer
959 static. Remove function prototype.
960 (fold_builtin_strncpy): Likewise integrate functionality from
961 simplify_builtin_strncpy. Add additional slen argument. No
962 longer static. Remove function prototype.
963 (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
964 (simplify_builtin_fputs): Rename to fold_builtin_fputs. Change
965 types of "ignore" and "unlocked" parameters to bool.
966 (fold_builtin_1): Add additional ignore argument. Call renamed
967 fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
968 builtins. Update arguments to fold_builtin_strncpy and
969 fold_builtin_strcpy. Add function prototype.
970 (fold_builtin): Add additional Boolean ignore argument to pass
972 (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
973 and fold_builtin_strncpy instead of simplify_builtin_fputs,
974 simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
976 * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
977 simplify_builtin_strncpy): Delete function prototypes.
978 * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
979 fold_builtin_strncpy): Add function prototypes here.
980 (fold_builtin): Update function prototype with new "bool ignore".
982 * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
983 (ccp_fold_builtin): Update call to fold_builtin. Call
984 fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
985 instead of simplify_builtin_fputs, simplify_builtin_strcpy and
986 simplify_builtin_strncpy respectively.
987 * fold-const.c (fold): Update call to fold_builtin.
989 2004-07-08 Alexandre Oliva <aoliva@redhat.com>
991 * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
994 * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
995 (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
996 (FUNCTION_ARG_CALLEE_COPIES): Likewise.
997 * calls.c: Remove ifdefs of macros above.
998 * functions.c: Likewise.
1001 2004-07-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1003 * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1004 (arch attribute): Delete.
1005 (current_function_calls_alloca attribute): Rename into calls_alloca.
1006 (calls_eh_return): New attribute.
1007 (leaf_function): Likewise.
1008 (length attribute): Fix formula for sibcalls.
1009 (return insn): Correctly compute the 'length' attribute.
1010 (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1012 2004-07-08 Richard Henderson <rth@redhat.com>
1014 * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1015 (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1016 (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1017 * tree-eh.c (lower_eh_constructs_1): Likewise.
1018 * tree-sra.c (sra_walk_modify_expr): Likewise.
1019 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1020 (eliminate_unnecessary_stmts): Likewise.
1021 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1022 * tree-tailcall.c (optimize_tail_call): Likewise.
1023 * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1025 2004-07-08 Paolo Bonzini <bonzini@gnu.org>
1026 Jakub Jelinek <jakub@redhat.com>
1028 * config/i386/i386.c (override_options): Enable
1029 SSE prefetches with -mtune, as long as we are
1030 compiling for i686 or higher. All i686 processors
1031 accept SSE prefetches as NOPS, some i586's don't.
1033 2004-07-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1036 * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1038 2004-07-08 Diego Novillo <dnovillo@redhat.com>
1040 * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1041 the handling of clobbering ASM_EXPRs.
1043 2004-07-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1046 * config/sparc/sparc.c (function_value): In 64-bit mode,
1047 return the aggregates larger than 16 bytes like unions.
1049 2004-07-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1052 * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1053 'temp' is zero, generate new pseudos as needed and emit the
1054 sequence of insns in single-assignment form. Resync comments
1056 (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1057 function before reload.
1059 2004-07-08 Nathan Sidwell <nathan@codesourcery.com>
1061 * vec.c (vec_assert_fail): Remove duplicate 'function'.
1063 * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1065 * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1066 Allocation is signed.
1067 (VEC_reserve): Return flag, allocation is signed.
1069 2004-07-08 Richard Henderson <rth@redhat.com>
1071 * tree-ssa-ccp.c (fold_stmt): Get type directly from
1072 OBJ_TYPE_REF_OBJECT.
1074 2004-07-08 Joseph S. Myers <jsm@polyomino.org.uk>
1075 Neil Booth <neil@daikokuya.co.uk>
1079 * c-decl.c (finish_struct): Ensure bit-fields are given the
1081 * c-common.c (c_common_signed_or_unsigned_type): For C, require
1082 the precision to match as well as the mode.
1083 * expr.c (reduce_to_bit_field_precision): New function.
1084 (expand_expr_real_1): Reduce expressions of bit-field type to
1086 * langhooks.h (reduce_bit_field_operations): New hook.
1087 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1089 * c-lang.c, objc/objc-lang.c
1090 (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1091 * objc/objc-act.c (check_ivars): Convert types to bit-field types
1093 * tree.c (build_nonstandard_integer_type): New function.
1094 * tree.h (build_nonstandard_integer_type): New prototype.
1095 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1096 conversions between integer and boolean types as useless.
1098 2004-07-08 Paolo Bonzini <bonzini@gnu.org>
1100 * c-common.c (c_common_nodes_and_builtins): Do not
1101 create __builtin_ptrdiff_t and __builtin_size_t.
1103 2004-07-08 Andrew Pinski <apinski@apple.com>
1105 * Makefile.in (libbackend.o): Add -combine to the gcc
1108 2004-07-08 Nick Clifton <nickc@redhat.com>
1110 * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1113 2004-07-08 Richard Henderson <rth@redhat.com>
1115 * except.c (expand_eh_region_start, expand_eh_region_end,
1116 expand_eh_handler, expand_eh_region_end_cleanup,
1117 expand_start_all_catch, expand_start_catch, expand_end_catch,
1118 expand_end_all_catch, expand_eh_region_end_allowed,
1119 expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1120 expand_eh_region_end_fixup): Remove.
1121 * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1122 cleanups, outer_cleanups, label_chain, exception_region.
1123 (struct goto_fixup): Remove stack_level, cleanup_list_list.
1124 (struct label_chain): Remove.
1125 (struct stmt_status): Remove x_stack_block_stack.
1126 (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1127 fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1128 expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1129 end_cleanup_deferral, last_cleanup_this_contour,
1130 containing_blocks_have_cleanups_or_stack_level,
1131 any_pending_cleanups): Remove.
1132 (expand_null_return_1): Take no arguments.
1133 (expand_label, expand_naked_return, expand_return,
1134 expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1135 expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1136 expand_end_case_type): Don't use any of them.
1137 * calls.c (expand_call): Likewise.
1138 * dojump.c (do_jump): Likewise.
1139 * function.c (expand_function_end): Likewise.
1140 * expr.c (store_expr, expand_expr_real_1): Likewise.
1141 (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1142 (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1143 CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1144 EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1145 * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1146 * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1147 * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1148 for WITH_CLEANUP_EXPR.
1149 (gimple_push_cleanup): Likewise.
1150 * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1151 * print-tree.c (print_node): Likewise.
1152 * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1153 * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1154 (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1155 * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1156 (GOTO_SUBROUTINE_EXPR): Remove.
1157 * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1158 (DECL_TOO_LATE): Remove.
1159 * except.h, tree.h: Update decls.
1161 2004-07-08 Paolo Bonzini <bonzini@gnu.org>
1163 * explow.c (optimize_save_area_alloca): Do not accept parameters.
1164 * passes.c (rest_of_handle_final): Handle symout.
1165 (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1167 (rest_of_handle_sched): Break out SMS. Remove ifs for
1168 flag_schedule_insns and flag_modulo_sched.
1169 (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1171 (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1172 (rest_of_handle_partition_blocks, rest_of_handle_sms,
1173 rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1174 rest_of_handle_mode_switching, rest_of_handle_jump,
1175 rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1176 rest_of_handle_jump2, rest_of_handle_postreload,
1177 rest_of_handle_flow2, rest_of_clean_state,
1178 rest_of_handle_shorten_branches,
1179 rest_of_handle_prologue_epilogue,
1180 rest_of_handle_branch_target_load_optimize): New.
1181 (rest_of_compilation): Call the above. Remove ggc_collect
1182 calls moved to rest_of_handle_*.
1183 * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1185 * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1186 * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1187 * except.h (set_nothrow_function_flags): Update comment.
1188 * function.c (current_function_nothrow): Remove.
1189 * output.h (current_function_nothrow): Remove.
1190 * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1191 * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1193 2004-07-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1196 * reorg.c: Revert 2004-06-30 change.
1197 (find_end_label): If HAVE_epilogue and !HAVE_return,
1198 return 0 instead of creating a label at the end of the insn chain.
1199 (optimize_skip): Account for the failure mode of find_end_label.
1200 (fill_simple_delay_slots): Likewise.
1201 (fill_slots_from_thread): Likewise.
1202 (relax_delay_slots): Likewise.
1204 2004-07-08 Diego Novillo <dnovillo@redhat.com>
1206 * tree-flow.h (addressable_vars): Declare.
1207 * tree-ssa-alias.c (addressable_vars): Define.
1208 (setup_pointers_and_addressables): Add addressable variables
1209 to addressable_vars.
1210 * tree-ssa-operands.c (get_stmt_operands): Move
1211 handling of ASM_EXPRs ...
1212 (get_asm_expr_operands): ... here.
1213 When the ASM_EXPR clobbers memory, also clobber addressable
1215 * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
1216 (delete_tree_ssa): Reset addressable_vars.
1218 2004-07-07 Jan Beulich <jbeulich@novell.com>
1219 Richard Henderson <rth@redhat.com>
1221 * varasm.c (assemble_variable): Use assemble_zeros for
1222 zero-initialized variables.
1223 (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
1224 for SECCAT_BSS and SECCAT_TBSS.
1226 2004-07-07 Jan Beulich <jbeulich@novell.com>
1228 * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
1230 * expmed.c (emit_store_flag): Also special-case double-word
1231 (in-)equality comparison against -1.
1233 * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
1234 passing arguments the containers for which are registers.
1236 * calls.c (emit_library_call_value_1): Use mode of function parameter
1237 rather than that of argument since constants have none.
1239 2004-07-08 Alexandre Oliva <aoliva@redhat.com>
1241 Introduce H8SX support.
1242 * expr.c (expand_strcpy): Renamed and moved to...
1243 * builtins.c (expand_movstr): ... here. Tweak.
1244 (expand_builtin_strcpy): Adjust. Use movstr if len can't be
1245 computed or has side effects.
1246 (expand_builtin_stpcpy): Likewise. Use strcpy if return value is
1247 unused, or if mempcpy fails. Adjust the return value in the
1248 latter case. Use movstr if everything else fails.
1249 * doc/md.texi (movstr): Document.
1250 (movmemM, clrmemM): Fix explanation of memory block operands.
1251 * config/h8300/h8300.md (stpcpy): Renamed to...
1252 (movstr): ... this. Adjust.
1253 2004-07-07 Alexandre Oliva <aoliva@redhat.com>
1254 * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
1255 movmem* and clrstr* to clrmem*.
1256 2004-06-27 Alexandre Oliva <aoliva@redhat.com>
1257 * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
1258 GENERAL_REGS, always.
1259 (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
1260 getting the stack pointer as addr.
1261 * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
1262 from general_operand_dst.
1263 * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
1265 (movmd_internal): ... this. Add modes to operands. Disparage `D'
1266 instead of requiring it to match only before reload.
1267 (stpcpy_internal_normal): New, normal-mode variant of...
1268 (stpcpy_internal): ... this. Add modes to operands. Disparage
1269 `D' instead of requiring it to match only before reload.
1270 * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
1272 * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
1273 * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
1275 * config/h8300/h8300.md (attr type): Add call.
1276 (attr can_delay): If type is call, set it no.
1277 (call, call_value): Set type to call.
1278 2004-06-21 Alexandre Oliva <aoliva@redhat.com>
1279 * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
1280 2004-06-16 Alexandre Oliva <aoliva@redhat.com>
1281 * tree.c (get_narrower): Don't narrow integral types into
1283 * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
1284 frame_size *before* the first use.
1285 * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
1287 (peephole2): Don't widen instructions that push SP. Move
1288 decrement of SP to the end of all stm-generating peepholes.
1289 2003-07-24 Richard Sandiford <rsandifo@redhat.com>
1290 * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
1291 and OR to set it to all ones.
1292 2003-07-24 Richard Sandiford <rsandifo@redhat.com>
1293 * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
1294 (call, call_value): Set can_delay to "no".
1295 2003-07-22 Richard Sandiford <rsandifo@redhat.com>
1296 * config/h8300/h8300.md (extzv): Make subreg check more robust.
1297 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
1298 * config/h8300/h8300.md (*brabit): Remove.
1299 * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
1300 zero_extract. Use bit_memory_operand as the predicate for
1301 operand 1 and 'WU' as the constraint. Check the difference
1302 between the base length and the final one when deciding which
1303 type of branch to use.
1304 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
1305 * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
1306 Use convert_move to extend the result for TARGET_H8300SX. Check
1307 for QImode memory references. Optimize the case where the
1308 destination is a paradoxical subreg.
1309 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
1310 * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
1311 * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
1312 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
1313 * config/h8300/h8300.md: Include mova.md
1314 (length_table): Add mova and mova_zero.
1315 * config/h8300/h8300.c (print_operand): Handle '%o'. Print a length
1316 after all constant addresses for '%R', '%X', '%T' and '%S'.
1317 (h8300_mova_length): New function.
1318 (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
1319 * config/h8300/t-h8300 (mova.md): Generate from genmova.sh. Add to
1320 dependencies for s-config, etc.
1321 * config/h8300/gemova.sh: New file.
1322 * config/h8300/mova.md: Generated.
1323 2003-07-20 Alexandre Oliva <aoliva@redhat.com>
1324 * config/h8300/h8300.c (h8300_bitfield_length): New.
1325 (nibble_operand): Adjust.
1326 (h8300_binary_length): Handle conditional binary op.
1327 (h8300_insn_length_from_table): Handle bitfield and bitbranch.
1328 * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
1329 P#<X, respectively. The original P is now IP4>X. Introduced P#>0
1330 and P#<0, unused so far. W and Y are now prefixes to multi-letter
1331 constraints. WU is introduced as a variant of U that requires a
1332 mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
1333 * config/h8300/h8300.md (attr type): Added bitbranch.
1334 (attr length_table): Added bitfield and bitbranch.
1335 (attr length): Compute bitbranch length.
1336 (andqi): Separate pattern for H8300SX. Use bfld for loading the
1337 least-significant bit of a byte.
1338 (brabit, brabc, brabs): New.
1339 (insv, extzv): Emit bfst and bfld on H8300SX.
1340 (bfld, bfst, seq, sne): New.
1341 (bstzhireg, cmpstz, bstz, bistz): New.
1342 (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
1343 (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
1344 2003-07-11 Richard Sandiford <rsandifo@redhat.com>
1345 * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
1346 (h8sx_unary_memory_operator): New function.
1347 * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
1348 (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
1349 * config/h8300/h8300.md: Add peepholes to combine reloads and
1351 2003-07-10 Richard Sandiford <rsandifo@redhat.com>
1352 * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
1353 (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
1354 (and?i, ior?i, xor?i): Likewise.
1355 2003-07-10 Richard Sandiford <rsandifo@redhat.com>
1356 * config/h8300/h8300.c: Move enums and prototypes to head of file.
1357 Various whitespace fixes.
1358 (h8300_constant_length): New function, split out from...
1359 (h8300_displacement_size): ...here. Rename h8300_displacement_length.
1360 (h8300_classify_operand): Use IN_RANGE.
1361 (h8300_classify_operand): Use h8300_constant_length.
1362 (h8300_short_move_mem_p): Tighten size check.
1363 (h8sx_mergeable_memrefs_p): Tighten equality check.
1364 2003-06-30 Richard Sandiford <rsandifo@redhat.com>
1365 * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
1367 * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
1368 * config/h8300/crtn.asm: Likewise.
1369 * config/h8300/lib1funcs.asm: Likewise. Use 32-bit pointers
1370 if __H8300SX__ is defined.
1371 2003-06-27 Richard Sandiford <rsandifo@redhat.com>
1372 * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
1373 * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
1374 (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
1375 addresses as mode-dependent.
1376 * config/h8300/h8300.c (print_operand_address): Update call to
1378 (h8300_get_index): Take a mode argument. Rework to fix an
1379 earlier misunderstanding.
1380 2003-06-26 Richard Sandiford <rsandifo@redhat.com>
1381 * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
1382 into a register if TARGET_H8300SX.
1383 (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
1384 TARGET_H8300SX. Also disable related define_splits.
1385 (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
1386 2003-06-23 Richard Sandiford <rsandifo@redhat.com>
1387 * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
1388 2003-06-20 Richard Sandiford <rsandifo@redhat.com>
1389 * config/h8300/h8300.h (OK_FOR_Z): New macro.
1390 (EXTRA_CONSTRAINT_STR): Check it.
1391 * config/h8300/h8300.c (h8300_classify_operand): Accept null
1393 (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
1394 * config/h8300/h8300.md (length_table): Add mov_imm4.
1395 (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
1396 2003-06-20 Richard Sandiford <rsandifo@redhat.com>
1397 * genattrtab.c (write_eligible_delay): Allow candidate_insn to
1399 * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
1400 * config/h8300/h8300.c (h8300_reorg): New function.
1401 (TARGET_MACHINE_DEPENDENT_REORG): Define.
1402 * config/h8300/h8300.md (length): Subtract the length of the
1403 delay slot from (pc) when checking the range of forward branches.
1404 (delay_slot, can_delay): New attributes.
1405 (define_delay): Add bra/s handling.
1406 (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
1407 (jump): Add delayed-branch handling.
1408 2003-06-17 Richard Sandiford <rsandifo@redhat.com>
1409 * expr.c (expand_strcpy): New function.
1410 * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
1411 (expand_builtin_stpcpy): Likewise.
1412 * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
1413 (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
1414 * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
1415 handling to improve register allocation for -fno-omit-frame-pointer.
1416 (h8sx_split_movmd): Delete, moving er6 handling into...
1417 (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
1418 * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
1419 (movmd): Add calls to copy_rtx.
1420 (movmd_internal): In the second alternative, allow the initial and
1421 final destination registers to be different . Update the splitter
1422 accordingly. Call h8300_swap_into_er6 and h8300_swap_out_of_er6
1423 instead of h8sx_split_movmd.
1424 (stpcpy, movsd): New expanders.
1425 (movsd_internal): New define_insn.
1426 2003-06-13 Richard Sandiford <rsandifo@redhat.com>
1427 * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
1428 (h8sx_emit_movmd, h8sx_split_movmd): Declare.
1429 * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
1430 and DESTINATION_REGS.
1431 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
1432 (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
1433 (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
1434 (h8300_move_ratio): Declare.
1435 (MOVE_RATIO): Use it.
1436 * config/h8300/h8300.c (h8300_move_ratio): New variable.
1437 (h8300_init_once): Initialize it.
1438 (h8300_reg_class_from_letter): New function.
1439 (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
1440 (h8sx_emit_movmd, h8sx_split_movmd): New functions.
1441 * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
1442 (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
1443 (movstrsi, movmd): New expanders.
1444 (movmd_internal): New insn.
1445 2003-06-06 Richard Sandiford <rsandifo@redhat.com>
1446 * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
1447 2003-06-04 Richard Sandiford <rsandifo@redhat.com>
1448 * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
1449 * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
1450 2003-06-03 Richard Sandiford <rsandifo@redhat.com>
1451 * config/h8300/h8300.c (nibble_operand): Fix warning.
1452 * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
1453 (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
1454 (movsf_h8300h): Disable for TARGET_H8300SX.
1455 2003-06-03 Richard Sandiford <rsandifo@redhat.com>
1456 * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
1457 h8300_stm_parallel and h8300_return_parallel.
1458 * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
1459 h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
1460 h8300_stm_parallel, h8300_return_parallel): New functions.
1461 (h8300_expand_prologue): Don't enforce ldm/stm register alignment
1462 if TARGET_H8300SX. Use h8300_push_pop.
1463 (h8300_expand_epilogue): Likewise. Try to merge the return insn
1464 and final pop when generating h8sx code. Always emit some form
1466 * config/h8300/h8300.md: Don't enforce register alignment in
1467 stm peepholes if TARGET_H8300SX.
1468 (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
1469 (ldm_h8300s_[234], stm_h8300_[234]): Disable.
1470 (epilogue): Expect h8300_expand_epilogue to emit a return insn.
1471 2003-06-03 Richard Sandiford <rsandifo@redhat.com>
1472 * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
1473 (MULTILIB_DIRNAMES): Add a directory for it.
1474 (MULTILIB_MATCHES): Delete.
1475 2003-05-28 Richard Sandiford <rsandifo@redhat.com>
1476 * final.c (walk_alter_subreg): Handle addresses with subregs
1477 inside a ZERO_EXTEND or AND.
1478 * config/h8300/h8300-protos.h (h8300_get_index): Declare.
1479 * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
1481 (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
1482 * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
1483 @(dd,Rn.w) and @(dd,ERn.L).
1484 (h8300_displacement_size): Take the whole address as argument.
1485 (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
1486 2003-05-28 Richard Sandiford <rsandifo@redhat.com>
1487 * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
1488 (h8sx_mergeable_memrefs_p): Declare.
1489 * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
1490 (HAVE_PRE_INCREMENT): Likewise.
1491 (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
1492 addresses for TARGET_H8300SX,
1493 * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
1495 (movb_length_table, movl_length_table): New tables.
1496 (movw_length_table): Define to movb_length_table.
1497 (h8300_displacement_size): New, split out from...
1498 (h8300_classify_address): ...here. Handle pre/post inc/dec.
1499 (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
1500 (h8300_insn_length_from_table): Add cases for movb, movw and movl.
1501 (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
1502 (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
1503 (compute_plussi_length, compute_plussi_cc): Update accordingly.
1504 (h8sx_unary_shift_operator): Get the mode from the operator.
1505 (binary_shift_operator): Likewise.
1506 * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
1507 a memory reference, check whether the reference is offsettable.
1508 (length_table): Add movb, movw and movl.
1509 (movqi): Add new h8sx pattern. Don't force one operand to be a
1510 register when generating h8sx code.
1511 (movhi, movsi, movsf): Likewise.
1512 (movstrictqi): Use the length_table attribute.
1513 (movstricthi): Likewise. Add h8sx alternative for mov.w #xx:3,Rn.
1514 (addqi3): Split into a define_expand and define_insn. Don't accept
1515 memory operands in the expander. Use h8300_operands_match_p to
1516 check for matching operands in the define_insn.
1517 (subqi3, negqi2, one_cmplqi2): Likewise.
1518 (add[hs]i3): Don't accept memory operands in the expander. Likewise
1519 in any patterns that are unused in h8sx code. In the h8sx patterns,
1520 use h8300_operands_match_p to check whether operands match.
1521 (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
1522 one_cmpl[hs]i3): Likewise.
1523 (andqi3, iorqi3, xorqi3): Likewise. Don't call fix_bit_operand
1525 2003-05-23 Richard Sandiford <rsandifo@redhat.com>
1526 * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
1527 (h8300_insn_length_from_table): Add a second parameter.
1528 (output_h8sx_shift): Declare.
1529 * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
1530 (EXTRA_CONSTRAINT): Replace with...
1531 (EXTRA_CONSTRAINT_STR): ...this. Use OK_FOR_W and OK_FOR_Y.
1532 (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
1533 (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
1534 and h8sx_binary_shift_operator.
1535 * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
1537 (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
1538 (bit_memory_operand, fix_bit_operand): Likewise.
1539 (h8300_length_table_for_insn): Remove.
1540 (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
1542 (h8300_short_immediate_length, h8300_binary_length): New functions.
1543 (h8300_insn_length_from_table): Add an opcodes parameter. Rework.
1544 (output_plussi): Use sub to add negative constants.
1545 (compute_plussi_length): Adjust accordingly.
1546 (h8sx_single_shift_type): New enum.
1547 (h8sx_single_shift, h8sx_unary_shift_operator,
1548 h8sx_binary_shift_operator, output_h8sx_shift): New functions.
1549 (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
1550 single h8sx instruction. Return false in this case.
1551 * config/h8300/h8300.md (length_table): Add short_immediate.
1552 (length): Pass the operand array to h8300_insn_length_from_table.
1553 (adjust_length): Assume "no" for insns with a length_table attribute.
1554 (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
1555 (*addhi3_h8300hs): Don't use for h8sx.
1556 (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
1558 (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
1559 1's predicate to nonimmediate_operand. Only skip default expansion
1560 if expand_a_shift or expand_a_rotate returns true. Add new patterns
1561 for single h8sx shift instructions.
1562 2003-05-22 Alexandre Oliva <aoliva@redhat.com>
1563 * config/h8300/h8300.c (nibble_operand): Split out of...
1564 (reg_or_nibble_operand): ... this.
1565 * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
1566 * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
1567 umulhisi3): Introduce expand, and introduce separate insns for
1568 sign- or zero-extended REG and already-extended CONST_INT.
1569 2003-05-20 Richard Sandiford <rsandifo@redhat.com>
1570 * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
1571 * config/h8300/h8300.md (subqi3): Generalize for h8sx.
1572 (subhi3): Likewise. Don't accept immediates for operand 1.
1573 Remove the early clobber from second alternative of the h8300s pattern.
1574 (subsi3): Generalize for h8sx. Force operand 2 into a register
1575 on plain h8300 targets.
1576 (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
1577 (subsi3_h8300h): Generalize for h8sx.
1578 (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
1579 2003-05-19 Alexandre Oliva <aoliva@redhat.com>
1580 * config/h8300/h8300.c (reg_or_nibble_operand): New.
1581 * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1582 (TARGET_H8300SXMUL): New.
1583 (CONST_OK_FOR_P): New.
1584 (CONST_OK_FOR_LETTER_P): Adjust.
1585 * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
1586 umulhisi3): Accept 4-bit immediate on H8SX.
1587 (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
1588 (udivsi3, divhi3, udivsi3, divsi3): New.
1589 2003-05-19 Richard Sandiford <rsandifo@redhat.com>
1590 * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
1591 * config/h8300/h8300.h (OK_FOR_Q): New macro.
1592 (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
1593 (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
1594 Add ADDRESSOF to the bit_operand entry.
1595 * config/h8300/h8300.c (h8300_dst_operand): New predicate.
1596 (h8300_src_operand): Likewise.
1597 (bit_operand): Check nonimmediate_operand rather than general_operand.
1598 Accept any nonimmediate_operand in h8sx code.
1599 (h8300_and_costs): Initialize operands[1].
1600 (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
1601 (h8300_operand_class): New enum.
1602 (h8300_length_table): New typedef.
1603 (addb_length_table, addw_length_table, addl_length_table,
1604 logicl_length_table): New tables.
1605 (logicb_length_table, logicw_length_table): New macros.
1606 (h8300_classify_operand, h8300_length_from_table,
1607 h8300_length_table_for_insn, h8300_unary_length,
1608 h8300_insn_length_from_table): New functions.
1609 (output_plussi): Only use adds and subs for register destinations.
1610 Disable redundant clause.
1611 (compute_plussi_cc): Likewise.
1612 (compute_plussi_length): Likewise. Use h8300_length_from_table
1613 to work out the length of an insn.
1614 (output_logical_op): Only use narrower immediate instructions
1615 if the destination is a register.
1616 (compute_logical_op_cc): Likewise.
1617 (compute_logical_op_length): Likewise. Use h8300_length_from_table.
1618 (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
1619 * config/h8300/h8300.md (length_table): New attribute.
1620 (length): When an instruction has a length_table attribute, use
1621 h8300_insn_length_from_table to calculate its default length.
1622 (cmpqi): Use h8300_dst_operand for the first operand and
1623 h8300_src_operand for the second.
1624 (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
1625 negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
1626 addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
1627 iorsi3, xorhi3, xorsi3): Likewise.
1628 (andqi3): Use h8300_src_operand for operand 2. Adjust the condition
1629 so that it allows any combination of operands for TARGET_H8300SX.
1630 (iorqi3, xorqi3): Likewise.
1631 (cmpqi): Use the length_table attribute.
1632 (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
1633 xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1634 (cmpqi): Add 'Q' constraint.
1635 (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
1636 iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1637 2003-05-14 Richard Sandiford <rsandifo@redhat.com>
1638 * config/h8300/h8300.h (MASK_H8300SX): New macro.
1639 (TARGET_H8300S): True for both -ms and -msx.
1640 (TARGET_H8300SX): New macro.
1641 (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
1642 * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
1643 * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
1644 * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
1646 2003-02-28 Alexandre Oliva <aoliva@redhat.com>
1647 * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
1648 16-bit pointers and 32-bit ints.
1649 * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
1650 CONST_DOUBLE with mode no wider than SImode.
1651 * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
1653 2003-02-27 Alexandre Oliva <aoliva@redhat.com>
1654 * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
1656 * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1657 2003-02-22 Alexandre Oliva <aoliva@redhat.com>
1658 * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
1660 2004-05-28 Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1662 * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
1664 2004-07-07 Per Bothner <per@bothner.com>
1666 * flow.c (attempt_auto_inc): Remove now-redundant PUT_CODE.
1668 2004-07-07 Mike Stump <mrs@apple.com>
1670 * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
1671 * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
1672 (machopic_finish): Likewise.
1674 2004-07-07 Richard Henderson <rth@redhat.com>
1676 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
1677 through any value-preserving cast.
1679 2004-07-07 Alexandre Oliva <aoliva@redhat.com>
1681 * function.c (assign_parm_find_data_types): Call
1682 FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
1684 2004-07-07 Steven Bosscher <stevenb@suse.de>
1686 * tree-cfg.c (group_case_labels): Remove case labels that have
1687 the same target as the default case.
1689 2004-07-07 Steven Bosscher <stevenb@suse.de>
1691 * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
1692 regardless of DECL_LANG_SPECIFIC being present or not.
1693 * tree.h (DECL_NUM_STMTS): Purge.
1695 2004-07-07 Andrew Pinski <apinski@apple.com>
1697 * configure: Regenerate with the right autoconf.
1699 2004-07-07 David Edelsohn <edelsohn@gnu.org>
1701 * ifcvt.c (total_bb_rtx_cost): New function.
1702 (find_if_case_1): Compare rtx_cost of basic block to cost of
1704 (find_if_case_2): Same.
1706 2004-07-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1709 * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
1710 (output_return): Likewise.
1711 (output_sibcall): Abort if !flag_delayed_branch.
1712 (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
1713 (emit_and_preserve): New function.
1714 (sparc_output_mi_thunk): Use it. Honor flag_delayed_branch. Emit an
1715 indirect jump to the thunked-to function if !flag_delayed_branch.
1716 * config/sparc/sparc.md (delayed_branch): New attribute.
1717 (load_pcrel_sym): Honor flag_delayed_branch. Use above
1718 attribute to compute the length of the insn.
1719 (goto_handler_and_restore): Likewise.
1721 2004-07-07 Andrew Pinski <apinski@apple.com>
1723 PR tree-optimization/15777
1724 * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
1726 * expr.c (expand_expr_real_1): Fix formating.
1727 BUFFER_REF and IN_EXPR are dead.
1728 * fold-const.c (non_lvalue): BUFFER_REF is dead.
1729 * tree-inline.c (estimate_num_insns_1): Likewise.
1730 * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
1731 IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
1732 * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
1734 2004-07-07 H.J. Lu <hongjiu.lu@intel.com>
1736 * collect2.c (dump_file): Don't call cplus_demangle if
1737 HAVE_LD_DEMANGLE is defined.
1738 (main): Pass "--demangle" to ld if no_demangle is not 0 and
1739 HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
1740 if HAVE_LD_DEMANGLE is defined.
1742 * configure.ac (--with-demangler-in-ld): Added
1743 (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
1744 --with-demangler-in-ld is used.
1745 * config.in: Regenerated.
1746 * configure: Likewise.
1748 2004-07-07 Roger Sayle <roger@eyesopen.com>
1750 * config/rs6000/rs6000.c (struct processor_costs): Add new fields
1751 for simple floating point operations "fp", double precision
1752 multiplication "dmul", and single and double precision division
1753 "sdiv" and "ddiv". Update all CPU variant tables as appropriate.
1754 (ppc630_cost): New table split from ppc620_cost, to distinguish
1755 differences in floating point latencies.
1756 (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
1757 (rs6000_rtx_costs): Add support for single and double precision
1758 floating point addition, subtraction, multiplication, division,
1759 fused-multiply-add, fused-multiply-sub, negation, absolute value
1760 and negative absolute value. Tweak MEM case to use prefered idiom.
1762 2004-07-07 Richard Henderson <rth@redhat.com>
1764 * tree-flow-inline.h (may_propagate_copy): Move...
1765 * tree-ssa-copy.c (may_propagate_copy): ... here. Fail if we
1766 attempt to copy between types requiring conversion.
1767 * tree-flow.h (may_propagate_copy): Update decl.
1768 * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
1770 2004-07-07 Jakub Jelinek <jakub@redhat.com>
1772 * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
1773 from -mtune= option.
1775 2004-07-07 Alexandre Oliva <aoliva@redhat.com>
1777 * builtins.c: Rename movstr*, except for movstrict*, to
1778 movmem* and clrstr* to clrmem*.
1781 * genopinit.c: Likewise.
1782 * integrate.c: Likewise.
1783 * local-alloc.c: Likewise.
1784 * optabs.c: Likewise.
1785 * optabs.h: Likewise.
1786 * config/alpha/alpha.h: Likewise.
1787 * config/alpha/alpha.md: Likewise.
1788 * config/arm/arm-protos.h: Likewise.
1789 * config/arm/arm.c: Likewise.
1790 * config/arm/arm.md: Likewise.
1791 * config/avr/avr.md: Likewise.
1792 * config/c4x/c4x.c: Likewise.
1793 * config/c4x/c4x.md: Likewise.
1794 * config/frv/frv.md: Likewise.
1795 * config/i386/i386-protos.h: Likewise.
1796 * config/i386/i386.c: Likewise.
1797 * config/i386/i386.h: Likewise.
1798 * config/i386/i386.md: Likewise.
1799 * config/i860/i860.c: Likewise.
1800 * config/i860/i860.md: Likewise.
1801 * config/ip2k/ip2k.md: Likewise.
1802 * config/ip2k/libgcc.S: Likewise.
1803 * config/ip2k/t-ip2k: Likewise.
1804 * config/m32r/m32r.c: Likewise.
1805 * config/m32r/m32r.md: Likewise.
1806 * config/mcore/mcore.md: Likewise.
1807 * config/mips/mips.c: Likewise.
1808 * config/mips/mips.md: Likewise.
1809 * config/ns32k/ns32k.c: Likewise.
1810 * config/ns32k/ns32k.h: Likewise.
1811 * config/ns32k/ns32k.md: Likewise.
1812 * config/pa/pa.c: Likewise.
1813 * config/pa/pa.md: Likewise.
1814 * config/pdp11/pdp11.h: Likewise.
1815 * config/pdp11/pdp11.md: Likewise.
1816 * config/rs6000/rs6000.c: Likewise.
1817 * config/rs6000/rs6000.md: Likewise.
1818 * config/s390/s390-protos.h: Likewise.
1819 * config/s390/s390.c: Likewise.
1820 * config/s390/s390.md: Likewise.
1821 * config/sh/lib1funcs.asm: Likewise.
1822 * config/sh/sh.c: Likewise.
1823 * config/sh/sh.md: Likewise.
1824 * config/sh/t-sh: Likewise.
1825 * config/sparc/sparc.h: Likewise.
1826 * config/vax/vax.md: Likewise.
1827 * config/xtensa/xtensa.c: Likewise.
1828 * config/xtensa/xtensa.md: Likewise.
1829 * doc/invoke.texi: Likewise.
1830 * doc/md.texi: Likewise.
1831 * doc/rtl.texi: Likewise.
1833 2004-07-07 Richard Sandiford <rsandifo@redhat.com>
1836 * config/mips/mips-protos.h (mips_declare_common_object): Declare.
1837 * config/mips/mips.c (mips_declare_common_object): New function,
1838 mostly split out from...
1839 (mips_output_aligned_decl_common): ...here.
1840 * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
1841 (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
1842 * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
1843 rather than ASM_OUTPUT_LOCAL. Call mips_declare_common_object.
1845 2004-07-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1848 * function.c (assign_parms): Fix typo from previous change.
1850 2004-07-07 Jason Merrill <jason@redhat.com>
1853 * doc/extend.texi (C++ Interface): Correct information and
1856 2004-07-07 Vladimir Makarov <vmakarov@redhat.com>
1861 * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
1864 2004-07-06 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1867 * config/m32r/m32r.c (m32r_function_symbol): New function:
1868 Generate a symbol name RTX with the correct m32r specific flags
1870 (block_move_call): Use new function to generate correct symbol.
1871 * config/m32r/m32r-protos.h: Add prototype for new funcion.
1872 * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
1875 2004-07-07 Nathan Sidwell <nathan@codesourcery.com>
1877 * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
1878 TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
1879 TYPE_BINFO_BASETYPE): Remove.
1880 (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
1882 (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
1884 (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
1885 (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
1886 (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
1887 (struct tree_binfo): Rename base_types to base_binfos.
1888 * alias.c (record_component_aliases): Adjust BINFO macros.
1889 * dbxout.c (dbxout_type): Likewise.
1890 * dwarf2out.c (gen_member_die): Likewise.
1891 * sdbout.c (sdbout_one_type): Likewise.
1892 * tree-dump.c (deque_and_dump): Likewise.
1893 * config/i386/i386.c (classify_argument,
1894 contains_128bit_aligned_vector_p): Likewise.
1896 2004-07-07 Nick Clifton <nickc@redhat.com>
1898 * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
1899 arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
1901 2004-07-07 Nathan Sidwell <nathan@codesourcery.com>
1903 * vec.h: Fix the example use.
1905 2004-07-06 Richard Henderson <rth@redhat.com>
1907 * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
1908 * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
1909 * tree-inline.c (copy_body_r, setup_one_parameter,
1910 initialize_inlined_parameters, expand_call_inline,
1911 declare_inline_vars): Don't check it.
1912 (expand_calls_inline): Remove old version, rename new version
1913 from gimple_expand_calls_inline.
1914 * tree-optimize.c (execute_gimple): Remove.
1915 (pass_gimple): Don't run anything.
1917 2004-07-06 Joseph S. Myers <jsm@polyomino.org.uk>
1919 * doc/sourcebuild.texi: Use semicolons instead of commas in
1922 2004-07-06 Richard Henderson <rth@redhat.com>
1924 * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
1925 (sra_walk_modify_expr, scan_init): Likewise.
1926 (generate_element_zero): Check visited before scanning children.
1927 (generate_element_init): Set visited on error.
1928 (scalarize_init): Handle generate_element_init failure similar
1931 2004-07-06 Joseph S. Myers <jsm@polyomino.org.uk>
1933 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
1934 (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
1936 2004-07-06 Richard Henderson <rth@redhat.com>
1938 * config/i386/i386.c (legitimize_pic_address): Make static.
1939 (legitimize_address): Handle CONST with TLS operand.
1940 (ix86_expand_move): Don't call legitimize_pic_address directly.
1941 * config/i386/i386-protos.h (legitimize_pic_address): Remove.
1943 2004-07-06 Roger Sayle <roger@eyesopen.com>
1945 * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
1946 (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
1947 (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
1948 is currently executed unconditionally, i.e. not in "else_bb".
1950 2004-07-06 Steven Bosscher <stevenb@suse.de>
1952 * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
1953 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1954 * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
1955 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1956 * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
1957 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1958 * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
1959 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1960 * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
1961 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1962 * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
1963 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1964 * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
1965 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1966 * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
1967 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1969 2004-07-06 Daniel Berlin <dberlin@dberlin.org>
1971 * dojump.c (do_jump): REFERENCE_EXPR is dead.
1972 * expr.c (expand_expr_real_1): Ditto.
1973 * tree-inline.c (estimate_num_insns_1): Ditto.
1974 * tree-pretty-print.c (dump_generic_node): Ditto.
1978 2004-07-06 Daniel Berlin <dberlin@dberlin.org>
1980 * tree-ssa-pre.c (reference_node_pool): New pool.
1981 (find_or_generate_expression): Class 'r' is okay too.
1982 (create_value_expr_from): Ditto.
1983 (add_to_sets): LHS should not include vuses.
1985 (compute_avail): Reverse ordering of tests.
1986 Valuize INDIRECT_REF as well.
1988 2004-07-06 Richard Sandiford <rsandifo@redhat.com>
1990 PR rtl-optimization/16380
1991 * loop.c (check_dbra_loop): Sink comparison instructions if they
1992 do something other than set cc0.
1994 2004-07-06 James E Wilson <wilson@specifixinc.com>
1996 * doc/interface.texi (longjmp and automatic variables): Delete
1997 paragraph recommending taking the address of a variable.
1999 2004-07-06 Nathan Sidwell <nathan@codesourcery.com>
2001 * vec.h (VEC_embedded_alloc): Remove.
2002 (VEC_embedded_size, VEC_embedded_init): New.
2003 (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2005 (VEC_truncate): New.
2006 (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2007 (vec_embedded_alloc): Remove.
2008 * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2009 (vec_embedded_alloc): Remove.
2011 2004-07-06 Mark Mitchell <mark@codesourcery.com>
2013 * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2014 (gt-langhooks.h): Remove.
2016 2004-07-06 George Helffrich <george@gly.bris.ac.uk>
2018 * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2020 2004-07-06 Eric Botcazou <ebotcazou@libertysurf.fr>
2022 * config/sparc/sparc.c (get_pc_symbol): Rename into
2023 add_pc_to_pic_symbol.
2024 (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2025 (load_pic_register): Account for previous changes.
2026 Use reg_names. Don't create the label twice.
2027 * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2028 UNSPEC_LOAD_PCREL_SYM.
2029 (get_pc): Rename into load_pcrel_sym. Add predicate to
2030 operands. Remove condition.
2032 2004-07-06 Nathan Sidwell <nathan@codesourcery.com>
2034 * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2035 RECORD, UNION & QUAL_UNION is actually a binfo.
2037 * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2038 (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2039 (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2040 * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2041 * dwarf2out.c (add_data_member_location_attribute): Likewise.
2042 (gen_inheritance_die): Likewise.
2043 * tree-dump.c (deque_and_dump): Likewise.
2044 * doc/c-tree.texi (Binfos): Add under reconstruction note.
2046 2004-07-06 Steven Bosscher <stevenb@suse.de>
2048 * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2050 * config/mcore/mcore.md: Model memory latency with a simple DFA
2051 pipeline description instead of a define_function_unit.
2053 2004-07-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2055 * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2056 * langhooks.h (var_mod_type_p): Likewise.
2057 * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2058 * expr.c (count_type_elements): Properly handle return from
2059 array_type_nelts and properly test for overflow.
2060 * gimplify.c (gimplify_init_constructor): Properly handle return
2061 from array_type_nelts.
2062 (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2063 * integrate.c (copy_decl_for_inlining): Correct comments.
2064 * tree-inline.c (remap_decl): Update comments, remove dead code,
2065 and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2066 (remap_type): Only remap if variably modified by vars in function
2068 (copy_body_r): Use compatible_type langhooks to see when can fold.
2069 (setup_one_parameter): Don't remap type.
2070 (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2071 * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2072 compute TREE_INVARIANT for decl case.
2073 (find_var_from_fn): New function.
2074 (variably_modified_type_p): Add arg and call new function.
2075 * tree.h (variably_modified_type_p): Add extra arg.
2077 2004-07-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2079 * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2080 (goto_handler_and_restore_v9): Delete disabled insn.
2081 (goto_handler_and_restore_v9_sp64): Likewise.
2083 2004-07-05 Roger Sayle <roger@eyesopen.com>
2085 * calls.c (load_register_parameters): Call expand_shift instead
2086 of expand_binop with ashl_optab (or other shift optab) directly.
2087 * expr.c (emit_group_load, emit_group_store): Likewise.
2088 * function.c (assign_parm_setup_block): Likewise.
2089 * stmt.c (shift_return_value): Likewise.
2091 2004-07-05 Jakub Jelinek <jakub@redhat.com>
2093 * expr.c (expand_assignment): Disable the bitfield += optimizations.
2095 2004-07-05 Joseph S. Myers <jsm@polyomino.org.uk>
2097 * doc/sourcebuild.texi: Revert previous patch.
2099 2004-07-05 Joseph S. Myers <jsm@polyomino.org.uk>
2101 * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2102 TARGET_MEM_FUNCTIONS.
2103 * system.h: Poison TARGET_MEM_FUNCTIONS.
2104 * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2105 bcmp_libfunc, bzero_libfunc): Remove.
2106 * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2108 * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2109 * doc/standards.texi: Don't mention calling BSD string functions.
2110 * doc/invoke.texi: Likewise. Mention that memmove may be called.
2111 * config/vax/t-memfuncs: New.
2112 * config/memcmp.c, config/memcpy.c, config/memmove.c,
2113 config/memset.c: New.
2114 * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2115 * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2117 * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2118 config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2119 config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2120 config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2121 config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2122 config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2123 config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2124 config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2125 config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2126 config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2128 2004-07-05 Richard Henderson <rth@redhat.com>
2130 * function.c (assign_parm_setup_reg): Properly rename variables in
2131 FUNCTION_ARG_CALLEE_COPIES section.
2133 2004-07-05 Zack Weinberg <zack@codesourcery.com>
2135 * tree-mudflap.c: Include cgraph.h.
2136 (mf_init_extern_trees): Rename to mudflap_init. Export.
2137 Rewrite to create synthetic declarations instead of looking
2138 up declarations from mf-runtime.h.
2139 (mf_make_builtin, mf_make_cache_struct_type): New functions.
2140 (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2142 (execute_mudflap_function_decls, mudflap_register_call):
2143 Don't call mf_init_extern_trees.
2144 (mudflap_finish_file): Use cgraph_build_static_cdtor.
2146 * tree-mudflap.h: Update prototypes.
2147 * c-mudflap.c: Delete file.
2148 * c-common.c: Include tree-mudflap.h.
2149 (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2150 * Makefile.in: Remove all references to c-mudflap.o.
2151 Update dependencies.
2153 2004-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2155 * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2156 displacements with the spatial-locality cache-control completer.
2158 2004-07-05 Zack Weinberg <zack@codesourcery.com>
2160 * langhooks.c: Don't include gt-langhooks.h.
2161 (var_labelno): Delete.
2162 (lhd_set_decl_assembler_name): Do not append a distinguishing
2163 number to file-scope internal-linkage declarations for the first
2164 input file, even if they have DECL_CONTEXT set. Use DECL_UID of
2165 the declaration itself (if at block scope), or its containing
2166 TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2169 * opts.c (cur_in_fname): New global.
2170 * opts.h: Declare it.
2171 * tree.c: Include opts.h.
2172 (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2173 DECL_UID equal to cur_in_fname.
2174 (copy_node_stat): Do not change DECL_UID when copying a
2175 TRANSLATION_UNIT_DECL.
2176 (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2177 range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2179 * c-decl.c (c_static_assembler_name): Delete.
2180 * c-tree.h (c_static_assembler_name): Delete prototype.
2181 * c-lang.c, objc/objc-lang.c: Don't override
2182 LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2184 * Makefile.in (tree.o): Update dependencies.
2185 (GTFILES): Remove langhooks.c.
2187 2004-07-05 Roger Sayle <roger@eyesopen.com>
2189 * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2190 by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2191 Normalize "X % C" as "X % -C" for signed modulus and negative C.
2192 Optimize "X % -Y" as "X % Y" for signed modulus.
2193 <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2194 into "((unsigned) X % Y) == 0".
2196 2004-07-05 Joseph S. Myers <jsm@polyomino.org.uk>
2198 * sourcebuild.texi (Config Fragments): Use @comma{} in
2199 cross-reference to section title.
2201 2004-07-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2203 * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
2204 * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
2205 (gimplify_target_expr, gimplify_expr): Likewise.
2206 (copy_if_shared_r): No longer need special case for BIND_EXPR.
2207 (unshare_body, unvisit_body): Only look at nested if BODY_P is
2209 (gimplify_compound_lval): See if we can strip any useless conversion.
2210 (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
2212 (gimplify_modify_expr_to_memset): Likewise.
2213 (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
2214 * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
2215 (declare_inline_vars): Likewise.
2216 (walk_type_fields): New function.
2217 (walk_tree): Use it.
2218 * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
2220 * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
2221 (sra_walk_modify_expr): Allow init function to fail.
2222 (scan_init): Now returns bool.
2223 (generate_element_init): If can't understand INIT, return false.
2224 (scalarize_init): Return false if generate_element_init does.
2226 * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
2229 * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
2230 bounds if bounds aren't constant.
2232 * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
2234 * function.c, langhooks-def.h, langhooks.h: Move max_size hook
2235 to type hooks; remove bogus PARAMS.
2237 2004-07-05 Nathan Sidwell <nathan@codesourcery.com>
2239 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
2240 * dwarf2out.c (add_data_member_location_attribute): Check for
2242 * tree.c (tree_node_kinds): Add "binfos".
2243 (binfo_lang_slots): New.
2244 (make_node_stat): Add TREE_BINFO.
2245 (make_tree_binfo_stat): New.
2246 (tree_node_structure): Add TREE_BINFO.
2247 * tree.def (TREE_BINFO): New.
2248 * tree.h (REC_OR_UNION_CHECK): Rename to ...
2249 (RECORD_OR_UNION_CHECK): ... here.
2250 (NOT_RECORD_OR_UNION_CHECK): New.
2251 (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
2252 (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
2253 RECORD_OR_UNION_CHECK.
2254 (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
2255 (TYPE_LANG_SLOT_1): New.
2256 (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
2257 BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
2258 BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
2259 (BINFO_ELTS): Remove.
2260 (BINFO_LANG_SLOT): New.
2261 (struct tree_binfo): New.
2262 (binfo_lang_slots): Declare.
2263 (enum tree_node_structure_enum): Add TS_BINFO.
2264 (union tree_node): Add binfo.
2265 (make_tree_binfo_stat): Declare.
2266 (make_tree_binfo): New.
2267 (enum tree_node_kind): Add binfo_kind.
2269 * objc/objc-act.c (start_class, objc_declare_protocols,
2270 start_protocols): Use TYPE_LANG_SLOT_1.
2271 * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
2273 (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
2274 (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
2275 CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
2276 PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
2278 2004-07-05 Steven Bosscher <stevenb@suse.de>
2280 * rtl.h (struct rtx_def): Remove the integrated flag.
2281 Use the return_val flag for MEM_SCALAR_P.
2282 Reshuffle and update flags in CLEAR_RTX_FLAGS.
2284 2004-07-05 Richard Sandiford <rsandifo@redhat.com>
2287 * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
2288 to mips_expand_unaligned_load, mips_expand_unaligned_store, and
2291 2004-07-05 Josef Zlomek <zlomekj@suse.cz>
2293 * var-tracking.c: Fix some comments.
2294 (frame_stack_adjust): New.
2295 (vt_stack_adjustments): Init stack_adjust of entry block to
2296 minus stack adjustment of function prologue.
2297 (adjust_stack_reference): Do not adjust if adjustment == 0.
2298 (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
2299 (emit_notes_in_bb): Likewise.
2300 (vt_add_function_parameters): Do not adjust locations of
2302 (vt_initialize): Compute the stack adjustment of function
2303 prologue and offset the initial "location" of frame_base_decl
2304 from the stack pointer after prologue.
2306 2004-07-04 Richard Henderson <rth@redhat.com>
2308 * function.c (struct assign_parm_data_all): New.
2309 (struct assign_parm_data_one): New.
2310 (assign_parms_initialize_all, assign_parms_augmented_arg_list,
2311 assign_parm_find_data_types, assign_parms_setup_varargs,
2312 assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
2313 assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
2314 assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
2315 assign_parm_setup_block, assign_parm_setup_reg,
2316 assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
2317 (assign_parms): ... here.
2319 2004-07-04 Daniel Berlin <dberlin@dberlin.org>
2321 * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
2322 now are bitmap_set_t's.
2323 (bitmap_insert_into_set): No point in inserting the value if
2325 (bitmap_set_contains): New function.
2326 (bitmap_set_replace_value): Add comment on why we do it
2328 (set_contains): Removed.
2329 (bitmap_set_subtract_from_value_set): New name of
2330 set_subtract now that it's arguments are two different
2333 (bitmap_find_leader): Change algorithm used.
2334 (find_or_generate_expression): Update use of functions for new
2336 (create_expression_by_pieces): Ditto.
2337 (insert_aux): Ditto.
2339 (add_to_sets): Ditto.
2341 (execute_pre): Ditto.
2342 (compute_avail): Ditto.
2343 Also ignore virtual phis.
2345 2004-07-04 Richard Sandiford <rsandifo@redhat.com>
2347 * combine.c (simplify_comparison): Fix comment typo.
2349 2004-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2351 * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
2352 into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
2353 (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
2354 (output_restore): Change parameter from 'insn' to 'pat'.
2355 (output_return): Adjust call to output_restore.
2356 (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
2357 Adjust call to output_restore.
2359 2004-07-04 Neil Booth <neil@duron.akihabara.co.uk>
2361 * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
2362 and assert system is bsd.
2364 2004-07-04 Richard Sandiford <rsandifo@redhat.com>
2366 * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
2367 (TARGET_SWITCHES): Remove -mdebugc.
2368 * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2369 (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
2370 (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
2371 (sle_[sd]i_reg): Delete.
2373 2004-07-04 Steven Bosscher <stevenb@suse.de>
2375 * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2377 * config/iq2000/iq2000.md: Translate old pipeline description to an
2380 2004-07-04 Roger Sayle <roger@eyesopen.com>
2382 * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
2383 Ensure the replacement rhs is valid gimple before performing
2384 the substitution. Return false if these sanity checks fail.
2385 (fold_stmt): Only set changed to true, if set_rhs returns true.
2386 (execute_fold_all_builtins): Only call modify_stmt if set_rhs
2389 2004-07-04 Richard Henderson <rth@redhat.com>
2392 * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
2394 2004-07-04 Mark Mitchell <mark@codesourcery.com>
2396 * configure.ac (ranlib_flags): New variable.
2397 * Makefile.in (RANLIB_FLAGS): New variable.
2398 (libbackend.a): Use it.
2399 * configure: Regenerated.
2401 2004-07-04 Roger Sayle <roger@eyesopen.com>
2403 * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
2404 a "sign mask" instead of using ashr_optab directly.
2406 2004-07-04 Neil Booth <neil@duron.akihabara.co.uk>
2408 * doc/cpp.texi: Don't document what we do for ill-formed expressions.
2409 * doc/cppopts.texi: Clarify processing of command-line defines.
2411 2004-07-04 Gerald Pfeifer <gerald@pfeifer.com>
2413 * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
2415 2004-07-04 Richard Henderson <rth@redhat.com>
2417 * rtl.def (ADDRESSOF): Remove.
2418 * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
2419 (find_base_term, memrefs_conflict_p): Likewise.
2420 * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
2421 (fold_rtx, cse_insn, set_live_p): Likewise.
2422 * dwarf2out.c (mem_loc_descriptor): Likewise.
2423 (add_location_or_const_value_attribute): Likewise.
2424 * emit-rtl.c (copy_insn_1): Likewise.
2425 * explow.c (memory_address): Likewise.
2426 * expmed.c (store_split_bit_field): Likewise.
2427 * expr.c (expand_expr_real_1): Likewise.
2428 * function.c (instantiate_decl
2429 (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
2430 * genrecog.c (preds, validate_pattern): Likewise.
2431 * integrate.c (copy_rtx_and_substitute): Likewise.
2432 * recog.c (general_operand, register_operand): Likewise.
2433 (memory_address_p): Likwise.
2434 * reload1.c (eliminate_regs, elimination_effects): Likewise.
2435 * rtl.c (copy_rtx): Likewise.
2436 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2437 (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
2438 * rtlhooks.c (gen_lowpart_general): Likewise.
2439 * stmt.c (expand_asm_operands): Likewise.
2440 * web.c (entry_register, replace_ref, web_main): Likewise.
2441 * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
2442 alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2443 * config/arm/arm.c (thumb_rtx_costs): Likewise.
2444 * config/c4x/c4x.c (c4x_valid_operands): Likewise.
2445 * config/frv/frv.c (move_destination_operand, move_source_operand,
2446 condexec_dest_operand, condexec_source_operand,
2447 condexec_memory_operand): Likewise.
2448 * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
2449 * config/ia64/ia64.c (general_xfmode_operand): Likewise.
2450 (destination_xfmode_operand): Likewise.
2451 * config/mips/mips.h (PREDICATE_CODES): Likewise.
2452 * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
2453 * config/s390/s390.c (general_s_operand): Likewise.
2454 * config/s390/s390.md (mov*): Likewise.
2455 * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
2457 * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
2458 * expr.c (expand_expr_real_1): Likewise.
2459 * stmt.c (expand_decl): Likewise.
2460 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2462 * function.c (struct fixup_replacement, struct insns_for_mem_entry,
2463 postponed_insns, put_var_into_stack, put_reg_into_stack,
2464 schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
2465 fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
2466 fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
2467 walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
2468 gen_mem_addressof, flush_addressof, put_addressof_into_stack,
2469 purge_bitfield_addressof_replacements, purge_addressof_replacements,
2470 purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
2471 struct insns_for_mem_walk_info, insns_for_mem_walk,
2472 compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
2473 setjmp_protect_args): Remove.
2474 (push_function_context_to): Don't handle var_refs_queue.
2475 (pop_function_context_from, free_after_compilation): Likewise.
2476 (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
2477 (assign_parms, allocate_struct_function): Likewise.
2478 (use_register_for_decl): New.
2479 (expand_function_end): Don't setjmp_protect.
2480 * function.h (struct emit_status): Update commentary.
2481 (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
2482 (max_parm_reg, parm_reg_stack_loc): Remove.
2483 * passes.c (DFI_addressof): Remove.
2484 (dump_file_info): Remove addressof.
2485 (rest_of_handle_addressof): Remove.
2486 (rest_of_compilation): Don't call it.
2487 * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
2488 * stmt.c (expand_decl): Use use_register_for_decl.
2489 * tree.h: Update decls.
2490 * web.c (mark_addressof): Remove.
2491 * doc/invoke.texi (-dF): Remove.
2493 2004-07-03 Richard Henderson <rth@redhat.com>
2495 * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
2496 instead of gen_mem_addressof.
2497 * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
2498 TImode output register.
2500 2004-07-03 Richard Henderson <rth@redhat.com>
2502 PR tree-optimization/16341
2503 * tree-sra.c (sra_walk_function): Increment to next stmt before
2504 processing the current stmt.
2505 (sra_insert_after): Always use BSI_SAME_STMT.
2507 2004-07-03 Richard Henderson <rth@redhat.com>
2509 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
2512 2004-07-03 Joseph S. Myers <jsm@polyomino.org.uk>
2514 * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
2515 with tree_int_cst_equal.
2517 2004-07-03 Andreas Schwab <schwab@suse.de>
2519 * config/ia64/ia64.md: Define new attribute "empty".
2520 (prologue_use, nop_x, insn_group_barrier): Set it.
2522 * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
2523 skip over "empty" insns.
2525 2004-07-03 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2527 * tree-inline.c (initialize_inlined_parameters): Pass proper function
2528 context to gimplify_body.
2529 (walk_tree): Don't walk into types twice.
2530 (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
2532 * tree-sra.c (generate_element_init): Remove any useless conversions.
2534 * gimplify.c (gimplify_conversion): Remove stripping useless
2535 conversions from here.
2536 (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
2537 (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
2538 Unshare before substituting PLACEHOLDER_EXPR.
2539 (gimplify_modify_expr_to_memset): Likewise.
2540 Pass address of TO to memset, not TO itself.
2541 (gimplify_init_constructor): Make copy of OBJECT so we have it each
2542 time we make an expression (to match a PLACEHOLDER_EXPR).
2544 * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
2545 VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
2546 * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
2547 * tree-ssa-dom.c (local_fold): Likewise.
2549 * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
2550 * langhooks.h (strct lang_hooks): New field type_max_size.
2551 * function.c (assign_temp): Call it.
2553 2004-07-03 Steven Bosscher <stevenb@suse.de>
2555 * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
2556 * config/sh/sh.md: Convert the SH1 pipeline description to
2559 2004-07-02 Zack Weinberg <zack@codesourcery.com>
2561 * c-decl.c (struct c_binding): Remove contour field; add
2562 depth, invisible, nested fields.
2563 (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
2564 (B_IN_EXTERNAL_SCOPE): New convenience macros.
2565 (bind): Add invisible and nested arguments. Initialize
2566 new fields of struct c_binding; adjust loop scanning for
2568 (free_binding_and_advance): Clear structure with memset.
2569 (pop_scope): Adjust to match. Set DECL_CONTEXT on everything
2570 in file scope, even if it's in external scope too.
2571 (pushdecl): Adjust to match. Create invisible file-scope
2572 declarations for block-scope forward declarations of static functions.
2573 (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
2574 (undeclared_variable, lookup_label, declare_label, define_label)
2575 (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
2576 (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
2577 (store_parm_decls_oldstyle): Adjust to match.
2578 (diagnose_mismatched_decls): Correct handling of linkage clashes.
2579 (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
2581 * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
2582 (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
2584 2004-07-02 Richard Henderson <rth@redhat.com>
2586 * c-decl.c (grokdeclarator): Don't frob current_function_decl
2587 around variable_size.
2588 (set_decl_nonlocal): Remove.
2589 (store_parm_decls): Add stmts for pending sizes.
2590 * calls.c (calls_function, calls_function_1): Remove.
2591 (precompute_arguments): Don't call it.
2592 * cfgexpand.c (set_save_expr_context): Remove.
2593 (tree_expand_cfg): Don't call it.
2594 * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
2595 (dwarf2out_finish): Likewise.
2596 * expr.c (emit_block_move): Adjust addresses to BLKmode.
2597 (store_constructor): Don't pre-evaluate SAVE_EXPR.
2598 (safe_from_p): Don't queue SAVE_EXPRs.
2599 (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
2600 or build plain VAR_DECLs.
2601 * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
2603 (fold_checksum_tree): Don't special-case SAVE_EXPR.
2604 * function.c (free_after_compilation): Don't clear x_save_expr_regs.
2605 (put_var_into_stack): Don't handle SAVE_EXPR.
2606 (gen_mem_addressof): Likewise.
2607 * function.h (struct function): Remove x_save_expr_regs.
2608 (save_expr_regs): Remove.
2609 * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
2610 * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
2611 * stor-layout.c (variable_size): Don't set it.
2612 (force_type_save_exprs, force_type_save_exprs_1): Remove.
2613 * tree-inline.c (remap_save_expr): Remove fn argument. Update
2614 all callers. Don't set SAVE_EXPR_CONTEXT.
2615 * tree-inline.h (remap_save_expr): Update decl.
2616 * tree.c (save_expr): Update build size.
2617 (first_rtl_op): Don't handle SAVE_EXPR.
2618 (unsave_expr_1, contains_placeholder_p): Likewise.
2619 (decl_function_context): Likewise.
2620 * tree.def (SAVE_EXPR): Remove args 1 and 2.
2621 * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
2622 (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
2624 2004-07-03 Joseph S. Myers <jsm@polyomino.org.uk>
2626 * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
2627 doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
2628 doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
2629 doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
2630 some first-person references and patronizing comments. Based on
2632 * doc/invoke.texi: Don't reference fortran@gnu.org.
2633 * doc/trouble.texi (Warning when a non-void function value is
2634 ignored): Rewrite. From Russ Allbery and Chris Devers.
2636 2004-07-02 Daniel Berlin <dberlin@dberlin.org)
2638 * tree-ssa-pre.c (bitmap_set_t): New.
2639 (bb_value_sets): avail_out is now a bitmap_set_t.
2640 (bitmap_find_leader): New function.
2641 (bitmap_value_insert_into_set): Ditto.
2642 (bitmap_set_copy): Ditto.
2643 (bitmap_value_replace_in_set): Ditto.
2644 (bitmap_set_contains_value): Ditto.
2645 (bitmap_set_new): Ditto.
2646 (bitmap_set_pool): New pool.
2647 (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
2648 (insert_aux): Ditto.
2649 (add_to_sets): Ditto.
2650 (compute_avail): Ditto
2654 (execute_pre): Ditto.
2656 2004-07-02 Roger Sayle <roger@eyesopen.com>
2658 * config/rs6000/rs6000.c (struct processor_costs): New structure
2659 used to hold instruction latencies/sizes for processor types.
2660 (rs6000_cost): New global variable pointing to current CPU's costs.
2661 (rs6000_override_options): Initialize rs6000_cost to point to the
2662 appropriate cost table based upon rs6000_cpu and optimize_size.
2663 (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
2666 2004-07-02 Richard Henderson <rth@redhat.com>
2668 * expmed.c (make_tree): Don't use SET_DECL_RTL.
2670 2004-07-02 Steven Bosscher <stevenb@suse.de>
2672 * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
2674 2004-07-01 Richard Henderson <rth@redhat.com>
2676 * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
2677 (alpha_gp_save_rtx): Use assign_stack_local instead of
2680 2004-07-01 Richard Henderson <rth@redhat.com>
2682 * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
2683 (alpha_rtx_cost_data): Update to match.
2684 (alpha_rtx_cost_size): New.
2685 (alpha_rtx_costs): Honor optimize_size.
2687 2004-07-01 Richard Henderson <rth@redhat.com>
2689 * gimple-low.c (lower_function_body): Don't reset_block_changes here.
2690 * cfgexpand.c (tree_expand_cfg): Do it here.
2691 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
2692 * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
2693 * config/mips/mips.c (mips_output_mi_thunk): And here.
2694 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
2695 * config/sh/sh.c (sh_output_mi_thunk): And here.
2696 * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
2698 2004-07-01 Richard Henderson <rth@redhat.com>
2700 * tree.def (RTL_EXPR): Remove.
2701 * c-typeck.c (lvalue_p): Don't handle it.
2702 * expr.c (safe_from_p): Likewise.
2703 (expand_expr_real_1): Likewise.
2704 * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
2705 (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
2706 * gengtype.c (adjust_field_tree_exp): Likewise.
2707 * stmt.c (warn_if_unused_value): Likewise.
2708 * tree-gimple.c (recalculate_side_effects): Likewise.
2709 * tree-pretty-print.c (dump_generic_node): Likewise.
2710 * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
2711 (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
2712 * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
2714 * stmt.c (struct stmt_status): Remove x_last_expr_type,
2715 x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
2716 (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
2717 (expand_expr_stmt): Merge with expand_expr_stmt_value. Remove
2718 all the bits that tracked last_expr.
2719 (expand_end_bindings): Don't track last_expr.
2720 (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
2721 (clear_last_expr): Remove.
2722 (expand_asm): Don't call it.
2723 (expand_asm_operands, expand_end_cond): Likewise.
2724 (expand_naked_return, expand_null_return_1): Likewise.
2725 * c-typeck.c (c_begin_compound_stmt): Likewise.
2726 * cfgexpand.c (expand_block): Use expand_expr_stmt.
2727 * expr.c (expand_expr_real_1): Likewise.
2728 * tree.h: Update prototypes.
2730 * function.h (struct sequence_stack): Remove sequence_rtl_expr.
2731 (struct emit_status): Remove sequence_rtl_expr.
2732 (struct function): Remove x_rtl_expr_chain.
2733 (seq_rtl_expr, rtl_expr_chain): Remove.
2734 * function.c (struct temp_slot): Remove rtl_expr.
2735 (assign_stack_temp_for_type): Don't set it.
2736 (free_temp_slots, pop_temp_slots): Don't check it.
2737 (free_after_compilation): Don't clear x_rtl_expr_chain.
2738 (fixup_var_refs): Don't search it.
2739 (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
2740 * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
2742 (push_topmost_sequence): Likewise.
2743 (end_sequence, init_emit): Likewise.
2744 (start_sequence_for_rtl_expr): Remove.
2745 * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
2746 * rtl.h (preserve_rtl_expr_result): Remove.
2748 2004-07-02 Kazu Hirata <kazu@cs.umass.edu>
2750 * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
2751 tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
2754 2004-07-02 Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2756 * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
2757 (STANDARD_STARTFILE_PREFIX_2): Define.
2758 (standard_startfile_prefix_1): Initialize to
2759 STANDARD_STARTFILE_PREFIX_1.
2760 (standard_startfile_prefix_2): Initialize to
2761 STANDARD_STARTFILE_PREFIX_2.
2762 * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
2763 (STANDARD_STARTFILE_PREFIX_1): Define.
2764 (STANDARD_STARTFILE_PREFIX_2): Define.
2765 * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
2766 (STANDARD_STARTFILE_PREFIX_2): Document.
2768 2004-07-01 Richard Henderson <rth@redhat.com>
2770 * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
2771 in order to disable scalarization. Instead set a flag and wait
2772 for a candidate decl.
2774 2004-07-01 Joseph S. Myers <jsm@polyomino.org.uk>
2776 * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
2777 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
2778 Use terminology "testsuite" and "enumerated".
2780 2004-07-01 Richard Henderson <rth@redhat.com>
2782 * dwarf2out.c (reg_save): Use INVALID_REGNUM.
2783 (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
2784 (initial_return_save): Likewise.
2785 (flush_queued_reg_saves): Remap register numbers.
2786 (dwarf2out_return_reg): Likewise.
2788 2004-07-01 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2790 * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
2792 * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
2793 access functions for lower bound and element size and only output
2794 if lower bound nonzero or element size not same as that of type.
2795 (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
2797 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
2799 * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
2801 2004-07-01 Per Bothner <per@bothner.com>
2803 * final.c (final): Fix typo reported by Aaron W. LaFramboise.
2805 2004-07-01 Jakub Jelinek <jakub@redhat.com>
2807 * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
2808 bitfields as well. STRIP_NOPS from src operand and PLUS_EXPR's
2809 first operand. Don't optimize if the bitfield is volatile.
2811 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
2813 * c-pretty-print.c (pp_c_postfix_expression): Handle
2814 floating-point comparison operators.
2815 (pp_c_expression): Pass floating-point comparison
2816 operators to pp_c_postfix_expression.
2818 2004-07-01 Roger Sayle <roger@eyesopen.com>
2820 * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
2821 rtx_cost instead of "had_mult" to determine whether the transformed
2822 expression is cheaper than the original.
2824 2004-07-01 Jerry Quinn <jlquinn@optonline.net>
2826 * alias.c (get_alias_set, canon_rtx, get_addr,
2827 nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
2829 * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
2830 expand_builtin): Likewise.
2831 * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
2833 * combine.c (can_combine_p, combinable_i3pat, try_combine,
2834 find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
2835 rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
2836 record_dead_and_set_regs_1, get_last_value_validate,
2837 mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
2838 * cse.c (check_dependence, canon_hash, equiv_constant,
2839 gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
2840 cse_around_loop, cse_check_loop_start, cse_set_around_loop,
2841 count_reg_usage): Likewise.
2842 * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
2843 cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
2844 cselib_record_sets): Likewise.
2845 * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
2846 dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
2847 * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
2848 * df.c (df_uses_record): Likewise.
2849 * dojump (do_jump): Likewise.
2850 * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
2851 loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
2852 decl_start_label): Likewise.
2853 * emit-rtl.c (gen_complex_constant_part, gen_highpart,
2854 operand_subword, change_address_1, make_safe_from): Likewise.
2855 * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
2856 stabilize, force_not_mem): Likewise.
2857 * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
2858 expand_mult_const, expand_divmod, emit_store_flag): Likewise.
2859 * expr.c (convert_move, convert_modes, emit_block_move,
2860 emit_group_load, emit_group_store, clear_storage, emit_move_insn,
2861 emit_move_insn_1, expand_assignment, store_expr,
2862 store_constructor_field, store_constructor, store_field,
2863 force_operand, safe_from_p, expand_expr_real_1, expand_increment):
2865 * final.c (cleanup_subreg_operands, alter_subreg,
2866 get_mem_expr_from_op): Likewise.
2867 * flow.c (notice_stack_pointer_modification_1,
2868 init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
2870 * function.c (mark_temp_addr_taken, preserve_temp_slots,
2871 preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
2872 optimize_bit_field, flush_addressof, purge_addressof_1,
2873 instantiate_decl, instantiate_virtual_regs_1, assign_parms,
2874 setjmp_protect, setjmp_protect_args, fix_lexical_addr,
2875 keep_stack_depressed): Likewise.
2876 * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
2877 noce_process_if_block, find_memory): Likewise.
2878 * integrate.c (subst_constants, allocate_initial_values): Likewise.
2879 * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
2880 update_equiv_regs): Likewise.
2881 * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
2882 maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
2883 * optabs.c (expand_abs, emit_unop_insn): Likewise.
2884 * passes.c (rest_of_handle_final): Likewise.
2885 * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
2886 move2add_note_store): Likewise.
2887 * ra-build.c (detect_remat_webs): Likewise.
2888 * ra-debug.c (dump_static_insn_cost): Likewise.
2889 * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
2890 * recog.c (validate_change, apply_change_group, cancel_changes,
2891 validate_replace_rtx_1, general_operand, register_operand,
2892 nonmemory_operand, push_operand, pop_operand, memory_operand,
2893 indirect_operand, asm_operand_ok, offsettable_memref_p,
2894 offsettable_nonstrict_memref_p, constrain_operands,
2895 store_data_bypass_p): Likewise.
2896 * reg-stack.c (subst_stack_regs_pat): Likewise.
2897 * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
2898 copy_cost, reg_scan_mark_refs): Likewise.
2899 * regmove.c (optimize_reg_copy_3, stack_memref_p,
2900 combine_stack_adjustments_for_block): Likewise.
2901 * regrename.c (copyprop_hardreg_forward_1): Likewise.
2902 * reload.c (can_reload_into, push_reload, decompose, immune_p,
2903 find_reloads, find_reloads_address, find_reloads_address_1,
2904 reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
2905 find_equiv_reg): Likewise.
2906 * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
2907 reload_as_needed, choose_reload_regs, emit_input_reload_insns,
2908 do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
2909 delete_address_reloads): Likewise.
2910 * resource.c (mark_referenced_resources): Likewise.
2911 * rtlanal.c (get_jump_table_offset, count_occurrences,
2912 reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
2913 reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
2914 num_sign_bit_copies1): Likewise.
2915 * rtlhooks.c (gen_lowpart_general): Likewise.
2916 * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
2917 * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
2918 sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
2919 sdbout_global_decl): Likewise.
2920 * simplify-rtx.c (simplify_subreg): Likewise.
2921 * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
2922 expand_anon_union_decl, expand_end_case_type): Likewise.
2923 * unroll.c (calculate_giv_inc): Likewise.
2924 * var-tracking.c (stack_adjust_offset_pre_post,
2925 bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
2926 add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
2927 vt_add_function_parameters): Likewise.
2928 * varasm.c (make_var_volatile, notice_global_symbol,
2929 assemble_external, decode_addr_const, mark_weak,
2930 default_encode_section_info): Likewise.
2932 2004-07-01 Steven Bosscher <stevenb@suse.de>
2934 * stmt.c (check_seenlabel): Remove.
2935 (pushcase, pushcase_range, expand_end_case_type): Don't call it.
2937 2004-07-01 Richard Henderson <rth@redhat.com>
2939 * function.h (struct function): Remove x_function_call_count.
2940 (function_call_count): Remove.
2941 * calls.c (expand_call): Don't set it.
2942 * integrate.c (copy_rtx_and_substitute): Likewise.
2944 * function.h (struct function): Remove x_cleanup_label.
2945 (cleanup_label): Remove.
2946 * stmt.c (expand_value_return): Don't use it.
2947 * function.c (free_after_compilation): Don't set it.
2948 (expand_function_start): Likewise. Remove parms_have_cleanups arg.
2949 * cfgexpand.c (tree_expand_cfg): Update call.
2950 * tree.h (expand_function_start): Update decl.
2952 2004-07-01 Joseph S. Myers <jsm@polyomino.org.uk>
2955 * c-lang.c (c_initialize_diagnostics): Move from here ...
2956 * c-objc-common.c: ... to here. Include "c-pretty-print.h".
2957 (c_tree_printer): Use pretty-printer to format %T.
2958 * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
2959 before '*' if not C++.
2960 (pp_c_direct_abstract_declarator): Don't try to print array upper
2961 bound for flexible array members.
2962 * c-tree.h: Include "diagnostic.h".
2963 (c_initialize_diagnostics): Declare.
2964 * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
2965 * c-format.c (format_type_warning): New function. Improve
2966 diagnostics for incorrect format argument types.
2967 (check_format_types): Use it. Add two parameters. Use the
2968 TYPE_MAIN_VARIANT of wanted_type.
2969 (check_format_info_main): Pass new parameters to
2971 (struct format_wanted_type): Update comment.
2973 2004-07-01 Nick Clifton <nickc@redhat.com>
2975 * target.h (struct gcc_target): Add new field to struct cxx:
2976 import_export_class.
2977 * target-def.h (TARGET_CXX): Initialise the new field.
2978 (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
2980 * doc/tm.texi: Document the new target hook.
2982 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
2984 * builtins.c (fold_builtin_classify): Fix typo.
2986 2004-07-01 Richard Henderson <rth@redhat.com>
2988 * function.c (identify_blocks, identify_blocks_1): Remove.
2989 * function.h (identify_blocks): Remove.
2990 * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
2992 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
2994 * builtins.c (fold_builtin_classify): New.
2995 (fold_builtin_unordered_cmp): Fix commentary.
2996 (fold_builtin): Use it.
2997 * builtins.def: Define builtins for isnan,
2998 isnanf, isnanl, finite, finitef, finitel,
2999 isinf, isinff, isinfl.
3001 2004-07-01 Richard Henderson <rth@redhat.com>
3003 * function.h (struct function): Remove dont_emit_block_notes.
3004 * gimple-low.c (lower_function_body): Don't set it.
3005 * cfgexpand.c (expand_block): Don't check it.
3006 * cfglayout.c (insn_locators_initialize): Likewise.
3007 * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
3008 * passes.c (rest_of_compilation): Likewise.
3009 * stmt.c (expand_start_bindings_and_block): Likewise.
3010 (expand_end_bindings): Likewise.
3012 2004-07-01 Richard Henderson <rth@redhat.com>
3014 * cgraph.h (cgraph_build_static_cdtor): Declare.
3015 * cgraphunit.c (cgraph_build_static_cdtor): New.
3016 * c-objc-common.c (build_cdtor): Use it.
3017 * coverage.c (create_coverage): Likewise.
3018 * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
3019 * optabs.c (init_optabs): Don't set gcov_init_libfunc.
3021 See ChangeLog.11 for earlier changes.