1 2004-07-13 Anthony Heading <aheading@jpmorgan.com>
3 * configure.ac (gcc_cv_as_offsetable_lo10: Fix a typo.
6 2004-07-13 Richard Sandiford <rsandifo@redhat.com>
8 * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
9 * config/mips/mips.h (mips_reg_names): Don't declare.
10 (MASK_NAME_REGS): Delete. Shuffle other MASK_* values down.
11 (TARGET_NAME_REGS): Delete.
12 (TARGET_SWITCHES): Remove -mrnames.
13 (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
14 (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
16 * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
17 (override_options): Remove handling of TARGET_NAME_REGS.
19 2004-07-13 Richard Sandiford <rsandifo@redhat.com>
21 * config/mips/mips.h (TARGET_*): Boolify.
23 2004-07-12 James E Wilson <wilson@specifixinc.com>
25 * Makefile.in (AR): Use @AR@ not ar.
27 (AR_FOR_TARGET): Use $(AR) not ar for native.
28 (NM_FOR_TARGET): Use $(NM) not nm for native.
29 * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
30 * configure: Regenerate.
32 2004-07-12 David S. Miller <davem@nuts.davemloft.net>
34 * config/sparc/sparc.md (ashlsi3): Eliminate const 1
36 (ashldi3_sp64): Likewise.
38 2004-07-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
41 * pa.c (function_arg): Update comment.
42 * pa.h (BLOCK_REG_PADDING): Define.
44 2004-07-12 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
46 PR tree-optimization/16461
47 * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
48 arguments of phi nodes.
50 2004-07-12 Devang Patel <dpatel@apple.com>
52 * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
54 2004-07-12 Steve Ellcey <sje@cup.hp.com>
56 * function.c (expand_function_start): Ensure r_save is in Pmode.
57 * calls.c (prepare_call_address): Ensure static_chain_value is
59 * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
60 r_save_area are in Pmode.
61 * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
62 fnaddr, and static_chain are in Pmode.
64 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
67 * config/ia64/ia64.c (bundling): Don't count ignored insns.
69 2004-07-12 Richard Henderson <rth@redhat.com>
71 * target.h (struct gcc_target): Move gimplify_va_arg_expr
72 next to build_builtin_va_list.
73 * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
74 * builtins.c (gimplify_va_arg_expr): Likewise.
75 * gimplify.c (copy_if_shared_r): Likewise.
77 2004-07-12 Alexandre Oliva <aoliva@redhat.com>
79 * passes.c (rest_of_decl_compilation): Don't defer call of
80 assemble_variable if its DECL_RTL is already set.
82 2004-07-12 Sebastian Pop <pop@cri.ensmp.fr>
84 * cfgloop.h (struct loop): Add nb_iterations field.
85 (current_loops): Declare.
86 * tree-chrec.c (chrec_not_analyzed_yet,
87 chrec_dont_know, chrec_known, count_ev_in_wider_type,
88 chrec_contains_symbols_defined_in_loop): Remove the temporary
90 * tree-flow-inline.h (loop_containing_stmt): New function.
91 * tree-scalar-evolution.c: Add implementation.
92 * tree-scalar-evolution.h: Add declarations.
94 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
96 PR rtl-optimization/15921
97 * Makefile.in (global.o): Add recog.h.
99 * global.c (recog.h): Add the include-clause.
100 (bb_info): New member earlyclobber.
101 (allocate_bb_info, free_bb_info): Initialize/finish the new
103 (earlyclobber_regclass, earlyclobber_regclass_length): The new
105 (check_earlyclobber, regclass_intersect,
106 mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
108 (calculate_local_reg_bb_info): Calculate value of earlyclobber.
109 (make_accurate_live_analysis): Modify pavin.
111 2004-07-12 Diego Novillo <dnovillo@redhat.com>
113 * tree-cfg.c (find_taken_edge): Statically compute the truth
114 value of a predicate comparing an SSA_NAME to itself.
116 2004-07-12 Roger Sayle <roger@eyesopen.com>
118 * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
119 rs6000 doesn't have shift-and-add or shift-and-sub instructions
120 by returning the cost of a multiplication plus an addition.
122 2004-07-12 Paolo Bonzini <bonzini@gnu.org>
124 PR tree-optimization/14107
125 * gimplify.c (gimplify_return_expr): Accept a
126 RETURN_EXPR with an error argument.
127 * tree-optimize.c (init_tree_optimization_passes):
128 Run pass_warn_function_return at -O0.
130 2004-07-12 Roger Sayle <roger@eyesopen.com>
132 * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
135 2004-07-12 Richard Sandiford <rsandifo@redhat.com>
137 * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
138 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
139 * config/mips/3000.md: Add copyright notice. Remove automota and
140 function units; use generic ones instead. Only define reservations
141 for things that are different from generic.md. Extend each clause
143 * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
144 * config/mips/mips.md: Include them. Remove define_function_units.
145 (alu, imuldiv): New automata and units.
147 2004-07-12 Ben Elliston <bje@au.ibm.com>
149 * doc/invoke.texi (Optimize Options): Document -frename-registers
150 not being enabled by default at -O3.
152 2004-07-11 Roger Sayle <roger@eyesopen.com>
154 * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
155 floating point additions, to keep real immediate constant positive.
156 <MINUS_EXPR>: For floating point subtractions, only transform X - -C
157 into X + C, and leave positive real constants as X - C.
159 2004-07-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
161 * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
163 2004-07-11 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
165 PR tree-optimization/15654
166 * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
168 2004-07-11 Roger Sayle <roger@eyesopen.com>
170 * builtins.c (fold_builtin_fputs): Don't bother converting the
171 return type to integer_type_node, as we've already checked that
172 the result will be ignored.
174 * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
175 that signed addition, subtraction, multiplication, division,
176 remainder, negation and absolute value may potentially trap.
178 * fold-const.c (fold_ignored_result): New function to strip
179 non-side-effecting tree nodes from an expression whose result
181 (fold_convert): Call fold_ignored_result when casting a value
183 (omit_one_operand): Call fold_ignored_result on the "omitted"
184 operand when building a COMPOUND_EXPR.
185 (pedantic_omit_one_operand): Likewise.
186 * tree.h (fold_ignored_result): Prototype here.
187 * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
188 when we're going to ignore the result.
190 2004-07-11 Richard Henderson <rth@redhat.com>
193 * tree-ssa-ccp.c (fold_stmt_r): Split out...
194 * tree.c (fields_compatible_p, find_compatible_field): ... new.
195 * tree.h (fields_compatible_p, find_compatible_field): Declare.
196 * tree-sra.c (sra_hash_tree): Hash fields by offset.
197 (sra_elt_eq): Use fields_compatible_p.
198 (generate_one_element_ref): Use find_compatible_field.
200 2004-07-11 Richard Henderson <rth@redhat.com>
203 * tree-sra.c (generate_one_element_init): New.
204 (generate_element_init): Use it.
205 (scalarize_init): Push/pop gimplify context around it.
206 (find_new_referenced_vars_1, find_new_referenced_vars): New.
207 * gimplify.c (gimplify_expr): Allow SSA_NAME.
209 2004-07-11 Roger Sayle <roger@eyesopen.com>
211 * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
212 combine.c's combine_insn_cost.
213 * rtl.h (insn_rtx_cost): Prototype here.
214 * combine.c (combine_insn_cost): Delete function.
215 (combine_validate_cost): Update callers of combine_insn_cost to
216 call insn_rtx_cost instead.
217 (combine_instructions): Likewise. Use NONJUMP_INSN_P to avoid
218 requesting the rtx_cost of call and/or jump instructions.
220 * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
221 rtx_cost directly. Don't request/use the cost of call or jump
222 instructions. Return -1 if the cost of any instruction can't be
223 determined (or the BB contains a function call).
224 (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
225 -1 (i.e. can't determine the cost of any instruction or the basic
226 block contains a subroutine call).
227 (find_if_case_2): Likewise.
229 2004-07-11 Roger Sayle <roger@eyesopen.com>
231 * rs6000.c (struct processor_costs): Change semantics of fields to
232 include the COST_N_INSNS scaling, and update all initializers.
233 (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
234 Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
235 Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP. When
236 optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
238 2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
240 * LANGUAGES: Remove obsolete information.
242 2004-07-11 Ulrich Weigand <uweigand@de.ibm.com>
244 * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
245 SIGBUS signal frames, the PSW address points *to* the faulting
246 instruction, not after it.
248 2004-07-11 Ulrich Weigand <uweigand@de.ibm.com>
250 * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
251 added to TLS symbol addresses.
253 2004-07-11 Richard Henderson <rth@redhat.com>
255 * expmed.c (init_expmed): Use stack-local structures for
256 temporary rtl. Don't recognize shifts.
258 2004-07-11 Richard Henderson <rth@redhat.com>
260 * expr.c (store_expr): Don't fiddle subreg promotion for types
261 with precision smaller than the mode.
263 2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
265 * tree.h (all_types_permanent): Remove.
267 2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
269 * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
270 maybe_build_cleanup, update_decl_after_saving): Remove hooks.
271 * langhooks.c (lhd_clear_binding_stack): Remove.
272 * langhooks-def.h (lhd_clear_binding_stack,
273 LANG_HOOKS_MAYBE_BUILD_CLEANUP,
274 LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
275 LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
276 LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
277 (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
278 * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
279 LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
280 LANG_HOOKS_MAYBE_BUILD_CLEANUP,
281 LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
282 * tree.h (poplevel): Don't declare.
283 * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
284 LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
285 * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
286 LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
289 2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
291 PR tree-optimization/16437
292 * c-common.c (shorten_compare): Don't mark result of conversion to
293 narrower signed type as overflowing.
294 * fold-const.c (decode_field_reference): Determine whether
295 signedness comes from outer type using precision rather than size.
297 2004-07-11 Phil Edwards <phil@codesourcery.com>
299 * configure.ac: Alphabetize --enable-checking list, add
300 missing valgrind entry.
301 * configure: Regenerate.
303 2004-07-11 Phil Edwards <phil@codesourcery.com>
305 * doc/install.texi (Testing): Fix syntax in "make check" example.
307 2004-07-10 James E Wilson <wilson@specifixinc.com>
309 * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
311 2004-07-10 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
313 PR rtl-optimization/16001
314 * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
317 2004-07-10 Geoffrey Keating <geoffk@apple.com>
319 * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
321 2004-07-10 Steve Kargl <sgk@troutmask.apl.washington.edu>
322 James Morrison <phython@gcc.gnu.org>
324 * doc/contrib.texi (Contributors): Add gfortran contributors and
325 fix a couple of typos.
327 2004-07-10 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
329 PR rtl-optimization/15387
330 * calls.c (check_sibcall_argument_overlap_1): Handle pointers
331 to incoming args space correctly.
333 2004-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
335 * pa.c (output_indirect_call): Only use %r2 as the link register in
336 indirect calls with the long PA 2.0 pc-relative branch.
338 2004-07-10 Daniel Jacobowitz <dan@debian.org>
340 * config/i386/i386.c (override_options): Pick a 64-bit CPU
341 for the default tuning if TARGET_64BIT.
343 2004-07-10 Richard Henderson <rth@redhat.com>
345 * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
346 to HOST_WIDE_INT. Fold pad-args-down arithmetic.
348 2004-07-10 Jakub Jelinek <jakub@redhat.com>
350 * expr.h (store_bit_field, extract_bit_field): Remove last argument.
351 * expmed.c (store_bit_field, extract_bit_field): Remove last
353 * builtins.c (expand_builtin_signbit): Adjust callers.
354 * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
355 * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
356 * ifcvt.c (noce_emit_move_insn): Likewise.
357 * stmt.c (expand_return): Likewise.
358 * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
359 store_field, expand_expr_real_1): Likewise.
361 2004-07-10 Richard Henderson <rth@redhat.com>
363 * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
365 2004-07-09 Mike Stump <mrs@apple.com>
367 * config/darwin.c (no_dead_strip): Add.
368 (HAVE_DEAD_STRIP): Add.
369 (darwin_emit_unwind_label): Ensure that we don't dead code strip
372 2004-07-09 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
374 * tree-ssa-loop-im.c: New file.
375 * Makefile.in (tree-ssa-loop-im.o): Add.
376 * cfgloop.c (superloop_at_depth): New function.
377 * cfgloop.h (superloop_at_depth): Declare.
378 * common.opt (ftree-lim): New flag.
379 * expr.c (array_ref_up_bound): New function.
380 * params.def (PARAM_LIM_EXPENSIVE): New parameter.
381 * timevar.def (TV_LIM): New timevar.
382 * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
383 computing immediate uses of a phi node.
384 * tree-flow.h (struct tree_ann_common_d): Add aux field.
385 (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
386 * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
387 * tree-pass.h (pass_lim): Declare.
388 * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
390 (pass_lim): New pass structure.
391 * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
392 * tree.c (in_array_bounds_p): New function.
393 * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
394 (in_array_bounds_p, array_ref_up_bound): Declare.
395 * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
396 * doc/passes.texi (tree-ssa-loop-im.c): Document.
398 2004-07-09 Richard Henderson <rth@redhat.com>
400 * builtins.c (expand_builtin_stpcpy): Don't modify len.
402 * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
405 2004-07-10 Kelley Cook <kcook@gcc.gnu.org>
407 * flags.h: Delete redundant prototypes that are being generated
408 in options.h from common.opt.
409 * common.opt: Add in the expository comments formerly in flags.h.
411 2004-07-09 Jan Beulich <jbeulich@novell.com>
413 * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
414 available for use only when TARGET_MMX/_SSE is set, and check for
415 variable argument function if any register count is non-zero.
416 (function_arg): Correctly suppress repeated warnings for passing SSE
417 vectors are arguments without SSE enabled.
418 (ix86_function_arg_boundary): Without SSE enabled, the use of what
419 would be SSE register modes does no longer influence the alignment.
421 2004-07-09 Richard Henderson <rth@redhat.com>
423 * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
424 Always align upward to arg boundary. Use size_in_bytes/round_up.
425 Maintain type-correctness of constants.
426 * stor-layout.c (round_up, round_down): Special-case powers of 2.
428 2004-07-09 David S. Miller <davem@nuts.davemloft.net>
430 * config/sparc/sparc.c (*_costs): Scale instruction costs
432 (sparc_rtx_costs): Adjust as appropriate.
434 2004-07-09 Jan Beulich <jbeulich@novell.com>
436 * config/i386/mm3dnow.h: New.
437 * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
439 2004-07-09 Richard Henderson <rth@redhat.com>
441 * simplify-rtx.c (simplify_const_relational_operation): Only
442 look at bounds of scalar integers.
444 2004-07-09 Jan Beulich <jbeulich@novell.com>
446 * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
448 2004-07-09 Andrew Pinski <apinski@apple.com>
450 * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
452 (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
453 UOBJC_METACLASS_decl.
455 2004-07-09 James E Wilson <wilson@specifixinc.com>
458 * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
459 do return a parallel if hfa_mode == XFmode and mode == TImode.
461 2004-07-09 Jan Beulich <jbeulich@novell.com>
463 * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
464 permissible for unary plus.
466 2004-07-09 Jan Beulich <jbeulich@novell.com>
468 * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
469 (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
470 (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
471 (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
472 BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
473 * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
474 BUILTIN_POPCOUNTxxx): Arguments are unsigned.
475 (BUILTIN_xxxIMAX): New.
476 * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
477 BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
480 2004-07-09 David S. Miller <davem@nuts.davemloft.net>
482 * config/sparc/sparc.h (processor_costs): Define.
483 (sparc_costs): Declare.
484 * config/sparc/sparc.c (cypress_costs, supersparc_costs,
485 hypersparc_costs, sparclet_costs, ultrasparc_costs,
486 ultrasparc3_costs): New.
487 (sparc_override_options): Set sparc_costs as appropriate.
488 (sparc_rtx_costs): Use sparc_costs instead of messy
491 2004-07-09 Steven Bosscher <stevenb@suse.de>
493 * doc/md.texi (Processor pipeline description): Mention that
494 the old pipeline description is deprecated.
496 * config/rs6000/7450.md (automaton ppc7450): Split up, move
497 mciu_7450 function unit to...
498 (automaton ppc7450mciu): ...new automaton.
500 * haifa-sched.c (insert_schedule_bubbles_p): Remove.
501 (schedule_block): Don't consider inserting bubbles.
502 (sched_init): Don't initialize DFA bubbles.
503 * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
504 TARGET_SCHED_DFA_BUBBLE): Remove.
505 * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
506 * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
507 TARGET_SCHED_DFA_BUBBLE): Remove documentation.
509 * stmt.c (conditional_context): Remove prototype.
510 * tree.h (conditional_context): Remove.
511 * tree-cfg.c (pre_insert_on_edge): Remove.
513 * c-common.h (c_expand_asm_operands): Remove prototype.
514 * c-typeck.c (c_expand_asm_operands): Remove.
516 2004-07-09 Jan Beulich <jbeulich@novell.com>
518 * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
519 their base modes. CTImode, TCmode, and XCmode must be passed in memory.
520 TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
521 and V8QI are class SSE. All sufficiently small remaining vector modes
522 must be passed in one or two integer registers.
523 (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
525 (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
526 __builtin_ia32_pmuludq128 have non-uniform argument and return types
527 and must thus be handled explicitly.
528 * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
530 (movv8qi_internal, movv4hi_internal, movv2si_internal,
531 movv2sf_internal): Permit moving between MMX and XMM registers (since
532 MMX areguments and return values are passed in XMM registers).
533 (sse2_umulsidi3): Correct type and mode.
535 2004-07-09 Richard Henderson <rth@redhat.com>
537 * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
539 2004-07-09 Eric Christopher <echristo@redhat.com>
541 * config/rs6000/40x.md: Split into two automatons.
543 2004-07-09 Zack Weinberg <zack@codesourcery.com>
544 Andrew Pinski <apinski@apple.com>
546 * c-opts.c (c_common_post_options): Force unit-at-a-time mode
547 on when we have more than one input file.
548 (c_common_parse_file): Restore loop over all input files.
549 Clarify diagnostic for -dy when YYDEBUG wasn't defined.
551 * c-decl.c (set_type_context): New function.
552 (pop_scope): Use it to set context of types. When we
553 encounter a TYPE_DECL, set the context of the attached type too.
554 (pop_file_scope): Don't call cpp_undef_all here.
555 (diagnose_mismatched_decls): Do not complain about a second
556 definition of an 'extern inline' function if it's not in the
557 same translation unit. Do not complain about inline
558 declaration after use if the use was in a different
560 (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
561 (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
563 (pushdecl_top_level): Likewise.
564 (grokdeclarator): Clarify what is going on with setting
565 DECL_EXTERNAL on function types, a little.
566 (c_write_global_declarations): Don't do anything if
567 -fsyntax-only or errors have been encountered.
569 2004-07-09 Zack Weinberg <zack@codesourcery.com>
571 * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
573 2004-07-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
576 * pa.c (output_indirect_call): Use %r2 as the link register when
577 calling $$dyncall with a pc-relative branch.
579 2004-07-08 Gerald Pfeifer <gerald@pfeifer.com>
581 * doc/install.texi (Binaries): Mention OpenPKG.
583 2004-07-09 Diego Novillo <dnovillo@redhat.com>
585 Fix PR tree-optimization/15555
586 * tree-dfa.c (dump_variable): If the variable is a pointer
587 SSA_NAME, also dump its points-to information.
588 * tree-flow.h (struct ptr_info_def): Add field
590 (dump_points_to_info_for): Declare.
591 (debug_points_to_info_for): Declare.
592 * tree-optimize.c (init_tree_optimization_passes): Add a
593 second alias analysis pass after DOM2.
594 Move pass_del_pta to a later spot.
595 * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
596 create a name tags when we find a dereferenced pointer. Just
597 mark the pointer dereferenced.
598 (collect_points_to_info_for): Move code to clear points-to
599 information to create_name_tags.
600 (create_name_tags): New function.
601 (compute_flow_sensitive_aliasing): Call it.
602 (setup_pointers_and_addressables): Mark type tags for renaming
604 (create_memory_tag): ... here.
605 (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
606 (dump_points_to_info_for): Declare extern.
607 (debug_points_to_info_for): New function.
609 2004-07-09 Paolo Bonzini <bonzini@gnu.org>
611 * config/arc/arc.md: Switch to DFA-based scheduler description.
612 * config/arc/arc.c: Switch to DFA-based scheduler description.
614 2004-07-09 Richard Earnshaw <rearnsha@arm.com>
616 * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
619 2004-07-09 Richard Henderson <rth@redhat.com>
621 * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
622 * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
623 (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
624 * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
626 * config/v850/v850-protos.h (v850_va_arg): Remove.
627 * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
628 (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
629 * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
630 (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
631 (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
633 2004-07-09 Richard Earnshaw <rearnsha@arm.com>
636 * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
637 and DImode to use +/-4k offset.
639 2004-07-09 Richard Henderson <rth@redhat.com>
641 * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
643 * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
644 (xstormy16_gimplify_va_arg_expr): Rewrite from
645 xstormy16_expand_builtin_va_arg.
646 * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
648 * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
649 * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
651 * config/sh/sh-protos.h (sh_va_arg): Remove.
652 * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
653 (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
654 * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
656 * config/pa/pa-protos.h (hppa_va_arg): Remove.
657 * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
658 (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
659 * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
661 * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
662 * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
663 (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
664 * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
666 2004-07-09 Eric Botcazou <ebotcazou@libertysurf.fr>
668 * config/sparc/sparc.md (return): Rewrite length formula.
669 * config/sparc/sparc.c (output_return): Pass 1 as 5th
670 argument to final_scan_insn when in a delay slot.
671 (output_sibcall): Likewise.
673 2004-07-09 Richard Earnshaw <rearnsha@arm.com>
675 * arm.c (arm_cpp_interwork): New variable.
676 (arm_override_options): Set it if TARGET_INTERWORK was on the command
678 * arm.h (arm_cpp_interwork): Declare it.
679 (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
680 __THUMB_INTERWORK__ in the preprocessor.
682 2004-07-09 Nathan Sidwell <nathan@codesourcery.com>
684 * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
686 2004-07-09 Eric Botcazou <ebotcazou@libertysurf.fr>
689 * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
690 Override default settings to account for -m32 and -m64.
692 2004-07-08 Randolph Chung <tausq@debian.org>
694 * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
696 2004-07-09 Alexandre Oliva <aoliva@redhat.com>
698 * builtins.c (fold_builtin_strncpy): Make sure len is a constant
699 before comparing it as such.
701 2004-07-08 Richard Henderson <rth@redhat.com>
703 * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
704 temporary. Use bit arithmetic to align.
706 2004-07-08 Jerry Quinn <jlquinn@optonline.net>
708 * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
709 nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
710 NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
711 * bb-reorder.c (mark_bb_for_unlikely_executed_section,
712 add_labels_and_missing_jumps, find_jump_block,
713 fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
715 * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
716 link_btr_uses, move_btr_def): Likewise.
717 * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
718 expand_builtin_expect_jump): Likewise.
719 * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
720 * calls.c (expand_call, emit_library_call_value_1): Likewise.
721 * cfganal.c (forwarder_block_p): Likewise.
722 * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
723 make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
724 find_bb_boundaries): Likewise.
725 * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
726 merge_blocks_move_predecessor_nojumps,
727 merge_blocks_move_successor_nojumps, insns_match_p,
728 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
729 try_optimize_cfg): Likewise.
730 * cfgexpand.c (expand_block, construct_exit_block): Likewise.
731 * cfglayout.c (skip_insns_after_block, label_for_bb,
732 record_effective_endpoints, insn_locators_initialize,
733 fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
734 * cfgmainloop.c (create_loop_notes): Likewise.
735 * cfgrtl.c (delete_insn, delete_insn_chain,
736 create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
737 update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
738 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
739 redirect_branch_edge, force_nonfallthru_and_redirect,
740 rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
741 rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
742 update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
743 purge_dead_edges, cfg_layout_redirect_edge_and_branch,
744 cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
745 cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
746 need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
747 * combine.c (combine_instructions, can_combine_p, try_combine,
748 find_split_point, record_dead_and_set_regs, reg_dead_at_p,
749 distribute_notes, distribute_links, insn_cuid): Likewise.
750 * cse.c (fold_rtx, cse_insn, cse_around_loop,
751 invalidate_skipped_block, cse_set_around_loop,
752 cse_end_of_basic_block, cse_main, cse_basic_block,
753 cse_condition_code_reg): Likewise.
754 * cselib.c (cselib_process_insn): Likewise.
755 * ddg.c (create_ddg): Likewise.
756 * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
758 * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
759 gen_label_die, dwarf2out_var_location): Likewise.
760 * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
761 next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
762 last_call_insn, active_insn_p, next_label, prev_label,
763 link_cc0_insns, next_cc0_user, try_split, add_insn_after,
764 add_insn_before, remove_insn, add_function_usage_to,
765 reorder_insns, find_line_note, remove_unnecessary_notes,
766 emit_insn_after_1, classify_insn): Likewise.
767 * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
768 connect_post_landing_pads, sjlj_mark_call_sites,
769 sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
770 can_throw_internal, can_throw_external, set_nothrow_function_flags,
771 convert_to_eh_region_ranges): Likewise.
772 * explow.c (optimize_save_area_alloca): Likewise.
773 * expr.c (expand_expr_real): Likewise.
774 * final.c (insn_current_reference_address, compute_alignments,
775 shorten_branches, final, scan_ahead_for_unlikely_executed_note,
776 final_scan_insn, output_asm_label, leaf_function_p): Likewise.
777 * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
778 propagate_block_delete_insn, propagate_one_insn,
779 init_propagate_block_info, propagate_block, libcall_dead_p,
780 mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
782 * function.c (instantiate_virtual_regs, reorder_blocks_1,
783 expand_function_start, expand_function_end, contains,
784 thread_prologue_and_epilogue_insns,
785 reposition_prologue_and_epilogue_notes): Likewise.
786 * gcse.c (constprop_register, bypass_conditional_jumps,
787 insert_insn_end_bb, gcse_after_reload): Likewise.
788 * genemit.c (gen_expand, gen_split): Likewise.
789 * genpeep.c (gen_peephole, main): Likewise.
790 * global.c (build_insn_chain): Likewise.
791 * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
792 * haifa-sched.c (unlink_other_notes, unlink_line_notes,
793 get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
794 restore_line_notes, rm_redundant_line_notes, rm_other_notes,
795 ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
796 * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
797 cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
798 merge_if_block, block_jumps_and_fallthru_p, find_if_block,
799 dead_or_predicable): Likewise.
800 * integrate.c (try_constants): Likewise.
801 * jump.c (rebuild_jump_labels, cleanup_barriers,
802 purge_line_number_notes, init_label_info, mark_all_labels,
803 squeeze_notes, get_label_before, get_label_after,
804 reversed_comparison_code_parts, simplejump_p, pc_set,
805 returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
806 delete_barrier, delete_prior_computation, delete_computation,
807 delete_related_insns, delete_for_peephole, redirect_jump):
809 * lcm.c (optimize_mode_switching): Likewise.
810 * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
812 * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
813 * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
814 * loop-iv.c (simplify_using_assignment): Likewise.
815 * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
816 libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
817 find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
818 loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
819 check_insn_for_givs, check_final_value, update_giv_derive,
820 basic_induction_var, product_cheap_p, check_dbra_loop,
821 loop_insn_first_p, last_use_this_basic_block,
822 canonicalize_condition, get_condition, loop_regs_scan, load_mems,
823 try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
824 * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
825 sms_schedule_by_order): Likewise.
826 * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
827 * postreload.c (reload_cse_simplify_operands, reload_combine,
828 reload_cse_move2add): Likewise.
829 * predict.c (can_predict_insn_p, estimate_probability,
830 expected_value_to_br_prob, process_note_predictions): Likewise.
831 * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
832 * profile.c (branch_prob): Likewise.
833 * ra-build.c (live_out_1, livethrough_conflicts_bb,
834 detect_webs_set_in_cond_jump): Likewise.
835 * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
836 ra_print_rtl_with_bb): Likewise.
837 * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
838 * recog.c (next_insn_tests_no_inequality, find_single_use,
839 split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
840 * reg-stack.c (next_flags_user, record_label_references,
841 emit_swap_insn, swap_rtx_condition, subst_stack_regs,
842 compensate_edge, convert_regs_1): Likewise.
843 * regclass.c (scan_one_insn): Likewise.
844 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
845 regmove_optimize, fixup_match_1, single_set_for_csa,
846 combine_stack_adjustments_for_block): Likewise.
847 * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
848 * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
849 find_equiv_reg): Likewise.
850 * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
851 reload_as_needed, emit_input_reload_insns, do_output_reload,
852 delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
854 * reorg.c (find_end_label, emit_delay_sequence,
855 delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
856 get_jump_flags, rare_destination, mostly_true_jump,
857 try_merge_delay_insns, redundant_insn, own_thread_p,
858 fill_simple_delay_slots, fill_slots_from_thread,
859 fill_eager_delay_slots, relax_delay_slots, make_return_insns,
860 dbr_schedule): Likewise.
861 * resource.c (find_basic_block, next_insn_no_annul,
862 find_dead_or_set_registers, mark_target_live_regs): Likewise.
863 * rtl.h (RTX_PREV): Likewise.
864 * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
865 no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
866 reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
867 find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
868 tablejump_p, computed_jump_p, insns_safe_to_move_p,
869 find_first_parameter_load, can_hoist_insn_p): Likewise.
870 * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
871 sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
872 * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
873 schedule_ebbs): Likewise.
874 * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
875 is_conditionally_protected, can_schedule_ready_p,
876 add_branch_dependences, debug_dependencies): Likewise.
877 * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
879 * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
880 reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
881 set_dominates_use, ujump_to_loop_cont): Likewise.
882 * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
883 * varasm.c (output_constant_pool_1): Likewise.
885 2004-07-08 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
887 * tree-scalar-evolution.c: New file.
888 * tree-scalar-evolution.h: New file.
889 * tree-ssa-loop-niter.c: New file.
890 * Makefile.in (SCEV_H): New.
891 (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
892 * cfgloop.h (struct loop): Add bounds field.
893 * tree-flow.h (struct tree_niter_desc): New type.
894 (number_of_iterations_cond, number_of_iterations_exit,
895 loop_niter_by_eval, find_loop_niter_by_eval,
896 estimate_numbers_of_iterations, can_count_iv_in_wider_type,
897 free_numbers_of_iterations_estimates): Declare.
898 * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
899 * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
900 * doc/invoke.texi (max-iterations-to-track): Document.
902 2004-07-08 Kaz Kojima <kkojima@gcc.gnu.org>
904 * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
905 * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
906 (MODE_AFTER): Add cast appropriately.
907 * config/sh/sh.md (movdi splitter): Likewise.
908 (casesi_worker_2): Add const qualifier appropriately.
909 (eh_return): Remove unused variable.
910 (insv): Initialize v;
912 2004-07-08 Richard Henderson <rth@redhat.com>
914 * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
915 * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
916 (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
917 * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
918 (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
920 * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
921 * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
922 (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
923 * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
925 * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
926 * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
927 (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
928 * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
930 * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
931 * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
932 (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
933 * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
935 * config/i860/i860-protos.h (i860_va_arg): Remove.
936 * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
937 (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
938 * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
940 2004-05-31 Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
942 * system.h: Prototype getpagesize if missing.
943 * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
944 * configure: Regenerate.
945 * config.in: Regenerate.
947 2004-07-08 Richard Henderson <rth@redhat.com>
949 * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
950 * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
951 (fr30_gimplify_va_arg_expr): New.
952 (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
953 * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
955 2004-07-08 Vladimir Makarov <vmakarov@redhat.com>
958 * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
959 of asm_noperands result.
961 2004-07-08 Richard Henderson <rth@redhat.com>
963 * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
964 * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
965 (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
966 * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
968 2004-07-08 Richard Henderson <rth@redhat.com>
970 * builtins.c (ind_gimplify_va_arg_expr): New.
971 * tree.h (ind_gimplify_va_arg_expr): Declare.
972 * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
974 2004-07-08 Jan Beulich <jbeulich@novell.com>
976 * expmed.c (extract_bit_field): Correct condition to use vec_extract
977 patterns also on vector elements other than the first one.
978 * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
981 2004-07-08 Geoffrey Keating <geoffk@apple.com>
983 * config/rs6000/darwin-ldouble.c: Correct reference
984 to the Linnainmaa paper.
986 2004-07-08 Richard Henderson <rth@redhat.com>
988 * config/arc/arc-protos.h (arc_va_arg): Remove.
989 * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
990 (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
991 * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
993 * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
994 * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
995 (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
996 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
998 2004-07-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1000 * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
1002 2004-07-08 Zack Weinberg <zack@codesourcery.com>
1004 * c-decl.c (static_ctors, static_dtors): Make static.
1005 (pop_file_scope): Call c_common_write_pch and
1006 cgraph_finalize_compilation_unit here.
1007 (build_cdtor): Moved here from c-objc-common.c; simplify.
1008 (c_write_global_declarations_1): Clarify comment.
1009 (c_write_global_declarations): Close the external scope before
1010 doing anything else. Call build_cdtor, cgraph_optimize, and
1011 mudflap_finish_file here.
1012 * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
1014 * c-objc-common.c: No need to include cgraph.h.
1015 (build_cdtor): Moved to c-decl.c.
1016 (c_objc_common_finish_file): Delete.
1017 * c-tree.h: Update to match.
1018 * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
1019 (generate_static_references): Set TREE_USED before calling finish_decl.
1020 Eliminate unnecessary dummy declaration. Call rest_of_decl_compilation
1021 on the static_instances_decl.
1023 2004-07-08 Zack Weinberg <zack@codesourcery.com>
1025 * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
1026 decls when there is only one input translation unit.
1027 * langhooks.c (lhd_set_decl_assembler_name): Partially revert
1028 change of 2004-07-05; do not treat declarations with
1029 DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
1030 * opts.c (cur_in_fname): Delete.
1032 * tree.c: Revert changes of 2004-07-05; no special treatment
1033 for TRANSLATION_UNIT_DECLs.
1034 * Makefile.in (tree.o): Update dependencies.
1036 2004-07-08 Roger Sayle <roger@eyesopen.com>
1038 * builtins.c (fold_builtin_strcpy): Merge functionality from
1039 simplify_builtin_strcpy. Add additional len argument. No longer
1040 static. Remove function prototype.
1041 (fold_builtin_strncpy): Likewise integrate functionality from
1042 simplify_builtin_strncpy. Add additional slen argument. No
1043 longer static. Remove function prototype.
1044 (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1045 (simplify_builtin_fputs): Rename to fold_builtin_fputs. Change
1046 types of "ignore" and "unlocked" parameters to bool.
1047 (fold_builtin_1): Add additional ignore argument. Call renamed
1048 fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1049 builtins. Update arguments to fold_builtin_strncpy and
1050 fold_builtin_strcpy. Add function prototype.
1051 (fold_builtin): Add additional Boolean ignore argument to pass
1053 (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1054 and fold_builtin_strncpy instead of simplify_builtin_fputs,
1055 simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1057 * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1058 simplify_builtin_strncpy): Delete function prototypes.
1059 * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1060 fold_builtin_strncpy): Add function prototypes here.
1061 (fold_builtin): Update function prototype with new "bool ignore".
1063 * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1064 (ccp_fold_builtin): Update call to fold_builtin. Call
1065 fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1066 instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1067 simplify_builtin_strncpy respectively.
1068 * fold-const.c (fold): Update call to fold_builtin.
1070 2004-07-08 Alexandre Oliva <aoliva@redhat.com>
1072 * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1075 * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1076 (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1077 (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1078 * calls.c: Remove ifdefs of macros above.
1079 * functions.c: Likewise.
1082 2004-07-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1084 * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1085 (arch attribute): Delete.
1086 (current_function_calls_alloca attribute): Rename into calls_alloca.
1087 (calls_eh_return): New attribute.
1088 (leaf_function): Likewise.
1089 (length attribute): Fix formula for sibcalls.
1090 (return insn): Correctly compute the 'length' attribute.
1091 (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1093 2004-07-08 Richard Henderson <rth@redhat.com>
1095 * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1096 (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1097 (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1098 * tree-eh.c (lower_eh_constructs_1): Likewise.
1099 * tree-sra.c (sra_walk_modify_expr): Likewise.
1100 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1101 (eliminate_unnecessary_stmts): Likewise.
1102 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1103 * tree-tailcall.c (optimize_tail_call): Likewise.
1104 * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1106 2004-07-08 Paolo Bonzini <bonzini@gnu.org>
1107 Jakub Jelinek <jakub@redhat.com>
1109 * config/i386/i386.c (override_options): Enable
1110 SSE prefetches with -mtune, as long as we are
1111 compiling for i686 or higher. All i686 processors
1112 accept SSE prefetches as NOPS, some i586's don't.
1114 2004-07-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1117 * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1119 2004-07-08 Diego Novillo <dnovillo@redhat.com>
1121 * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1122 the handling of clobbering ASM_EXPRs.
1124 2004-07-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1127 * config/sparc/sparc.c (function_value): In 64-bit mode,
1128 return the aggregates larger than 16 bytes like unions.
1130 2004-07-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1133 * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1134 'temp' is zero, generate new pseudos as needed and emit the
1135 sequence of insns in single-assignment form. Resync comments
1137 (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1138 function before reload.
1140 2004-07-08 Nathan Sidwell <nathan@codesourcery.com>
1142 * vec.c (vec_assert_fail): Remove duplicate 'function'.
1144 * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1146 * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1147 Allocation is signed.
1148 (VEC_reserve): Return flag, allocation is signed.
1150 2004-07-08 Richard Henderson <rth@redhat.com>
1152 * tree-ssa-ccp.c (fold_stmt): Get type directly from
1153 OBJ_TYPE_REF_OBJECT.
1155 2004-07-08 Joseph S. Myers <jsm@polyomino.org.uk>
1156 Neil Booth <neil@daikokuya.co.uk>
1160 * c-decl.c (finish_struct): Ensure bit-fields are given the
1162 * c-common.c (c_common_signed_or_unsigned_type): For C, require
1163 the precision to match as well as the mode.
1164 * expr.c (reduce_to_bit_field_precision): New function.
1165 (expand_expr_real_1): Reduce expressions of bit-field type to
1167 * langhooks.h (reduce_bit_field_operations): New hook.
1168 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1170 * c-lang.c, objc/objc-lang.c
1171 (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1172 * objc/objc-act.c (check_ivars): Convert types to bit-field types
1174 * tree.c (build_nonstandard_integer_type): New function.
1175 * tree.h (build_nonstandard_integer_type): New prototype.
1176 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1177 conversions between integer and boolean types as useless.
1179 2004-07-08 Paolo Bonzini <bonzini@gnu.org>
1181 * c-common.c (c_common_nodes_and_builtins): Do not
1182 create __builtin_ptrdiff_t and __builtin_size_t.
1184 2004-07-08 Andrew Pinski <apinski@apple.com>
1186 * Makefile.in (libbackend.o): Add -combine to the gcc
1189 2004-07-08 Nick Clifton <nickc@redhat.com>
1191 * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1194 2004-07-08 Richard Henderson <rth@redhat.com>
1196 * except.c (expand_eh_region_start, expand_eh_region_end,
1197 expand_eh_handler, expand_eh_region_end_cleanup,
1198 expand_start_all_catch, expand_start_catch, expand_end_catch,
1199 expand_end_all_catch, expand_eh_region_end_allowed,
1200 expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1201 expand_eh_region_end_fixup): Remove.
1202 * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1203 cleanups, outer_cleanups, label_chain, exception_region.
1204 (struct goto_fixup): Remove stack_level, cleanup_list_list.
1205 (struct label_chain): Remove.
1206 (struct stmt_status): Remove x_stack_block_stack.
1207 (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1208 fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1209 expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1210 end_cleanup_deferral, last_cleanup_this_contour,
1211 containing_blocks_have_cleanups_or_stack_level,
1212 any_pending_cleanups): Remove.
1213 (expand_null_return_1): Take no arguments.
1214 (expand_label, expand_naked_return, expand_return,
1215 expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1216 expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1217 expand_end_case_type): Don't use any of them.
1218 * calls.c (expand_call): Likewise.
1219 * dojump.c (do_jump): Likewise.
1220 * function.c (expand_function_end): Likewise.
1221 * expr.c (store_expr, expand_expr_real_1): Likewise.
1222 (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1223 (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1224 CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1225 EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1226 * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1227 * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1228 * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1229 for WITH_CLEANUP_EXPR.
1230 (gimple_push_cleanup): Likewise.
1231 * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1232 * print-tree.c (print_node): Likewise.
1233 * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1234 * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1235 (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1236 * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1237 (GOTO_SUBROUTINE_EXPR): Remove.
1238 * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1239 (DECL_TOO_LATE): Remove.
1240 * except.h, tree.h: Update decls.
1242 2004-07-08 Paolo Bonzini <bonzini@gnu.org>
1244 * explow.c (optimize_save_area_alloca): Do not accept parameters.
1245 * passes.c (rest_of_handle_final): Handle symout.
1246 (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1248 (rest_of_handle_sched): Break out SMS. Remove ifs for
1249 flag_schedule_insns and flag_modulo_sched.
1250 (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1252 (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1253 (rest_of_handle_partition_blocks, rest_of_handle_sms,
1254 rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1255 rest_of_handle_mode_switching, rest_of_handle_jump,
1256 rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1257 rest_of_handle_jump2, rest_of_handle_postreload,
1258 rest_of_handle_flow2, rest_of_clean_state,
1259 rest_of_handle_shorten_branches,
1260 rest_of_handle_prologue_epilogue,
1261 rest_of_handle_branch_target_load_optimize): New.
1262 (rest_of_compilation): Call the above. Remove ggc_collect
1263 calls moved to rest_of_handle_*.
1264 * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1266 * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1267 * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1268 * except.h (set_nothrow_function_flags): Update comment.
1269 * function.c (current_function_nothrow): Remove.
1270 * output.h (current_function_nothrow): Remove.
1271 * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1272 * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1274 2004-07-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1277 * reorg.c: Revert 2004-06-30 change.
1278 (find_end_label): If HAVE_epilogue and !HAVE_return,
1279 return 0 instead of creating a label at the end of the insn chain.
1280 (optimize_skip): Account for the failure mode of find_end_label.
1281 (fill_simple_delay_slots): Likewise.
1282 (fill_slots_from_thread): Likewise.
1283 (relax_delay_slots): Likewise.
1285 2004-07-08 Diego Novillo <dnovillo@redhat.com>
1287 * tree-flow.h (addressable_vars): Declare.
1288 * tree-ssa-alias.c (addressable_vars): Define.
1289 (setup_pointers_and_addressables): Add addressable variables
1290 to addressable_vars.
1291 * tree-ssa-operands.c (get_stmt_operands): Move
1292 handling of ASM_EXPRs ...
1293 (get_asm_expr_operands): ... here.
1294 When the ASM_EXPR clobbers memory, also clobber addressable
1296 * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
1297 (delete_tree_ssa): Reset addressable_vars.
1299 2004-07-07 Jan Beulich <jbeulich@novell.com>
1300 Richard Henderson <rth@redhat.com>
1302 * varasm.c (assemble_variable): Use assemble_zeros for
1303 zero-initialized variables.
1304 (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
1305 for SECCAT_BSS and SECCAT_TBSS.
1307 2004-07-07 Jan Beulich <jbeulich@novell.com>
1309 * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
1311 * expmed.c (emit_store_flag): Also special-case double-word
1312 (in-)equality comparison against -1.
1314 * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
1315 passing arguments the containers for which are registers.
1317 * calls.c (emit_library_call_value_1): Use mode of function parameter
1318 rather than that of argument since constants have none.
1320 2004-07-08 Alexandre Oliva <aoliva@redhat.com>
1322 Introduce H8SX support.
1323 * expr.c (expand_strcpy): Renamed and moved to...
1324 * builtins.c (expand_movstr): ... here. Tweak.
1325 (expand_builtin_strcpy): Adjust. Use movstr if len can't be
1326 computed or has side effects.
1327 (expand_builtin_stpcpy): Likewise. Use strcpy if return value is
1328 unused, or if mempcpy fails. Adjust the return value in the
1329 latter case. Use movstr if everything else fails.
1330 * doc/md.texi (movstr): Document.
1331 (movmemM, clrmemM): Fix explanation of memory block operands.
1332 * config/h8300/h8300.md (stpcpy): Renamed to...
1333 (movstr): ... this. Adjust.
1334 2004-07-07 Alexandre Oliva <aoliva@redhat.com>
1335 * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
1336 movmem* and clrstr* to clrmem*.
1337 2004-06-27 Alexandre Oliva <aoliva@redhat.com>
1338 * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
1339 GENERAL_REGS, always.
1340 (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
1341 getting the stack pointer as addr.
1342 * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
1343 from general_operand_dst.
1344 * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
1346 (movmd_internal): ... this. Add modes to operands. Disparage `D'
1347 instead of requiring it to match only before reload.
1348 (stpcpy_internal_normal): New, normal-mode variant of...
1349 (stpcpy_internal): ... this. Add modes to operands. Disparage
1350 `D' instead of requiring it to match only before reload.
1351 * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
1353 * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
1354 * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
1356 * config/h8300/h8300.md (attr type): Add call.
1357 (attr can_delay): If type is call, set it no.
1358 (call, call_value): Set type to call.
1359 2004-06-21 Alexandre Oliva <aoliva@redhat.com>
1360 * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
1361 2004-06-16 Alexandre Oliva <aoliva@redhat.com>
1362 * tree.c (get_narrower): Don't narrow integral types into
1364 * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
1365 frame_size *before* the first use.
1366 * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
1368 (peephole2): Don't widen instructions that push SP. Move
1369 decrement of SP to the end of all stm-generating peepholes.
1370 2003-07-24 Richard Sandiford <rsandifo@redhat.com>
1371 * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
1372 and OR to set it to all ones.
1373 2003-07-24 Richard Sandiford <rsandifo@redhat.com>
1374 * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
1375 (call, call_value): Set can_delay to "no".
1376 2003-07-22 Richard Sandiford <rsandifo@redhat.com>
1377 * config/h8300/h8300.md (extzv): Make subreg check more robust.
1378 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
1379 * config/h8300/h8300.md (*brabit): Remove.
1380 * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
1381 zero_extract. Use bit_memory_operand as the predicate for
1382 operand 1 and 'WU' as the constraint. Check the difference
1383 between the base length and the final one when deciding which
1384 type of branch to use.
1385 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
1386 * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
1387 Use convert_move to extend the result for TARGET_H8300SX. Check
1388 for QImode memory references. Optimize the case where the
1389 destination is a paradoxical subreg.
1390 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
1391 * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
1392 * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
1393 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
1394 * config/h8300/h8300.md: Include mova.md
1395 (length_table): Add mova and mova_zero.
1396 * config/h8300/h8300.c (print_operand): Handle '%o'. Print a length
1397 after all constant addresses for '%R', '%X', '%T' and '%S'.
1398 (h8300_mova_length): New function.
1399 (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
1400 * config/h8300/t-h8300 (mova.md): Generate from genmova.sh. Add to
1401 dependencies for s-config, etc.
1402 * config/h8300/gemova.sh: New file.
1403 * config/h8300/mova.md: Generated.
1404 2003-07-20 Alexandre Oliva <aoliva@redhat.com>
1405 * config/h8300/h8300.c (h8300_bitfield_length): New.
1406 (nibble_operand): Adjust.
1407 (h8300_binary_length): Handle conditional binary op.
1408 (h8300_insn_length_from_table): Handle bitfield and bitbranch.
1409 * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
1410 P#<X, respectively. The original P is now IP4>X. Introduced P#>0
1411 and P#<0, unused so far. W and Y are now prefixes to multi-letter
1412 constraints. WU is introduced as a variant of U that requires a
1413 mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
1414 * config/h8300/h8300.md (attr type): Added bitbranch.
1415 (attr length_table): Added bitfield and bitbranch.
1416 (attr length): Compute bitbranch length.
1417 (andqi): Separate pattern for H8300SX. Use bfld for loading the
1418 least-significant bit of a byte.
1419 (brabit, brabc, brabs): New.
1420 (insv, extzv): Emit bfst and bfld on H8300SX.
1421 (bfld, bfst, seq, sne): New.
1422 (bstzhireg, cmpstz, bstz, bistz): New.
1423 (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
1424 (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
1425 2003-07-11 Richard Sandiford <rsandifo@redhat.com>
1426 * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
1427 (h8sx_unary_memory_operator): New function.
1428 * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
1429 (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
1430 * config/h8300/h8300.md: Add peepholes to combine reloads and
1432 2003-07-10 Richard Sandiford <rsandifo@redhat.com>
1433 * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
1434 (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
1435 (and?i, ior?i, xor?i): Likewise.
1436 2003-07-10 Richard Sandiford <rsandifo@redhat.com>
1437 * config/h8300/h8300.c: Move enums and prototypes to head of file.
1438 Various whitespace fixes.
1439 (h8300_constant_length): New function, split out from...
1440 (h8300_displacement_size): ...here. Rename h8300_displacement_length.
1441 (h8300_classify_operand): Use IN_RANGE.
1442 (h8300_classify_operand): Use h8300_constant_length.
1443 (h8300_short_move_mem_p): Tighten size check.
1444 (h8sx_mergeable_memrefs_p): Tighten equality check.
1445 2003-06-30 Richard Sandiford <rsandifo@redhat.com>
1446 * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
1448 * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
1449 * config/h8300/crtn.asm: Likewise.
1450 * config/h8300/lib1funcs.asm: Likewise. Use 32-bit pointers
1451 if __H8300SX__ is defined.
1452 2003-06-27 Richard Sandiford <rsandifo@redhat.com>
1453 * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
1454 * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
1455 (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
1456 addresses as mode-dependent.
1457 * config/h8300/h8300.c (print_operand_address): Update call to
1459 (h8300_get_index): Take a mode argument. Rework to fix an
1460 earlier misunderstanding.
1461 2003-06-26 Richard Sandiford <rsandifo@redhat.com>
1462 * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
1463 into a register if TARGET_H8300SX.
1464 (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
1465 TARGET_H8300SX. Also disable related define_splits.
1466 (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
1467 2003-06-23 Richard Sandiford <rsandifo@redhat.com>
1468 * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
1469 2003-06-20 Richard Sandiford <rsandifo@redhat.com>
1470 * config/h8300/h8300.h (OK_FOR_Z): New macro.
1471 (EXTRA_CONSTRAINT_STR): Check it.
1472 * config/h8300/h8300.c (h8300_classify_operand): Accept null
1474 (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
1475 * config/h8300/h8300.md (length_table): Add mov_imm4.
1476 (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
1477 2003-06-20 Richard Sandiford <rsandifo@redhat.com>
1478 * genattrtab.c (write_eligible_delay): Allow candidate_insn to
1480 * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
1481 * config/h8300/h8300.c (h8300_reorg): New function.
1482 (TARGET_MACHINE_DEPENDENT_REORG): Define.
1483 * config/h8300/h8300.md (length): Subtract the length of the
1484 delay slot from (pc) when checking the range of forward branches.
1485 (delay_slot, can_delay): New attributes.
1486 (define_delay): Add bra/s handling.
1487 (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
1488 (jump): Add delayed-branch handling.
1489 2003-06-17 Richard Sandiford <rsandifo@redhat.com>
1490 * expr.c (expand_strcpy): New function.
1491 * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
1492 (expand_builtin_stpcpy): Likewise.
1493 * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
1494 (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
1495 * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
1496 handling to improve register allocation for -fno-omit-frame-pointer.
1497 (h8sx_split_movmd): Delete, moving er6 handling into...
1498 (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
1499 * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
1500 (movmd): Add calls to copy_rtx.
1501 (movmd_internal): In the second alternative, allow the initial and
1502 final destination registers to be different . Update the splitter
1503 accordingly. Call h8300_swap_into_er6 and h8300_swap_out_of_er6
1504 instead of h8sx_split_movmd.
1505 (stpcpy, movsd): New expanders.
1506 (movsd_internal): New define_insn.
1507 2003-06-13 Richard Sandiford <rsandifo@redhat.com>
1508 * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
1509 (h8sx_emit_movmd, h8sx_split_movmd): Declare.
1510 * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
1511 and DESTINATION_REGS.
1512 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
1513 (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
1514 (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
1515 (h8300_move_ratio): Declare.
1516 (MOVE_RATIO): Use it.
1517 * config/h8300/h8300.c (h8300_move_ratio): New variable.
1518 (h8300_init_once): Initialize it.
1519 (h8300_reg_class_from_letter): New function.
1520 (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
1521 (h8sx_emit_movmd, h8sx_split_movmd): New functions.
1522 * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
1523 (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
1524 (movstrsi, movmd): New expanders.
1525 (movmd_internal): New insn.
1526 2003-06-06 Richard Sandiford <rsandifo@redhat.com>
1527 * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
1528 2003-06-04 Richard Sandiford <rsandifo@redhat.com>
1529 * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
1530 * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
1531 2003-06-03 Richard Sandiford <rsandifo@redhat.com>
1532 * config/h8300/h8300.c (nibble_operand): Fix warning.
1533 * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
1534 (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
1535 (movsf_h8300h): Disable for TARGET_H8300SX.
1536 2003-06-03 Richard Sandiford <rsandifo@redhat.com>
1537 * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
1538 h8300_stm_parallel and h8300_return_parallel.
1539 * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
1540 h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
1541 h8300_stm_parallel, h8300_return_parallel): New functions.
1542 (h8300_expand_prologue): Don't enforce ldm/stm register alignment
1543 if TARGET_H8300SX. Use h8300_push_pop.
1544 (h8300_expand_epilogue): Likewise. Try to merge the return insn
1545 and final pop when generating h8sx code. Always emit some form
1547 * config/h8300/h8300.md: Don't enforce register alignment in
1548 stm peepholes if TARGET_H8300SX.
1549 (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
1550 (ldm_h8300s_[234], stm_h8300_[234]): Disable.
1551 (epilogue): Expect h8300_expand_epilogue to emit a return insn.
1552 2003-06-03 Richard Sandiford <rsandifo@redhat.com>
1553 * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
1554 (MULTILIB_DIRNAMES): Add a directory for it.
1555 (MULTILIB_MATCHES): Delete.
1556 2003-05-28 Richard Sandiford <rsandifo@redhat.com>
1557 * final.c (walk_alter_subreg): Handle addresses with subregs
1558 inside a ZERO_EXTEND or AND.
1559 * config/h8300/h8300-protos.h (h8300_get_index): Declare.
1560 * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
1562 (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
1563 * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
1564 @(dd,Rn.w) and @(dd,ERn.L).
1565 (h8300_displacement_size): Take the whole address as argument.
1566 (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
1567 2003-05-28 Richard Sandiford <rsandifo@redhat.com>
1568 * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
1569 (h8sx_mergeable_memrefs_p): Declare.
1570 * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
1571 (HAVE_PRE_INCREMENT): Likewise.
1572 (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
1573 addresses for TARGET_H8300SX,
1574 * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
1576 (movb_length_table, movl_length_table): New tables.
1577 (movw_length_table): Define to movb_length_table.
1578 (h8300_displacement_size): New, split out from...
1579 (h8300_classify_address): ...here. Handle pre/post inc/dec.
1580 (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
1581 (h8300_insn_length_from_table): Add cases for movb, movw and movl.
1582 (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
1583 (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
1584 (compute_plussi_length, compute_plussi_cc): Update accordingly.
1585 (h8sx_unary_shift_operator): Get the mode from the operator.
1586 (binary_shift_operator): Likewise.
1587 * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
1588 a memory reference, check whether the reference is offsettable.
1589 (length_table): Add movb, movw and movl.
1590 (movqi): Add new h8sx pattern. Don't force one operand to be a
1591 register when generating h8sx code.
1592 (movhi, movsi, movsf): Likewise.
1593 (movstrictqi): Use the length_table attribute.
1594 (movstricthi): Likewise. Add h8sx alternative for mov.w #xx:3,Rn.
1595 (addqi3): Split into a define_expand and define_insn. Don't accept
1596 memory operands in the expander. Use h8300_operands_match_p to
1597 check for matching operands in the define_insn.
1598 (subqi3, negqi2, one_cmplqi2): Likewise.
1599 (add[hs]i3): Don't accept memory operands in the expander. Likewise
1600 in any patterns that are unused in h8sx code. In the h8sx patterns,
1601 use h8300_operands_match_p to check whether operands match.
1602 (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
1603 one_cmpl[hs]i3): Likewise.
1604 (andqi3, iorqi3, xorqi3): Likewise. Don't call fix_bit_operand
1606 2003-05-23 Richard Sandiford <rsandifo@redhat.com>
1607 * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
1608 (h8300_insn_length_from_table): Add a second parameter.
1609 (output_h8sx_shift): Declare.
1610 * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
1611 (EXTRA_CONSTRAINT): Replace with...
1612 (EXTRA_CONSTRAINT_STR): ...this. Use OK_FOR_W and OK_FOR_Y.
1613 (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
1614 (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
1615 and h8sx_binary_shift_operator.
1616 * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
1618 (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
1619 (bit_memory_operand, fix_bit_operand): Likewise.
1620 (h8300_length_table_for_insn): Remove.
1621 (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
1623 (h8300_short_immediate_length, h8300_binary_length): New functions.
1624 (h8300_insn_length_from_table): Add an opcodes parameter. Rework.
1625 (output_plussi): Use sub to add negative constants.
1626 (compute_plussi_length): Adjust accordingly.
1627 (h8sx_single_shift_type): New enum.
1628 (h8sx_single_shift, h8sx_unary_shift_operator,
1629 h8sx_binary_shift_operator, output_h8sx_shift): New functions.
1630 (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
1631 single h8sx instruction. Return false in this case.
1632 * config/h8300/h8300.md (length_table): Add short_immediate.
1633 (length): Pass the operand array to h8300_insn_length_from_table.
1634 (adjust_length): Assume "no" for insns with a length_table attribute.
1635 (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
1636 (*addhi3_h8300hs): Don't use for h8sx.
1637 (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
1639 (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
1640 1's predicate to nonimmediate_operand. Only skip default expansion
1641 if expand_a_shift or expand_a_rotate returns true. Add new patterns
1642 for single h8sx shift instructions.
1643 2003-05-22 Alexandre Oliva <aoliva@redhat.com>
1644 * config/h8300/h8300.c (nibble_operand): Split out of...
1645 (reg_or_nibble_operand): ... this.
1646 * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
1647 * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
1648 umulhisi3): Introduce expand, and introduce separate insns for
1649 sign- or zero-extended REG and already-extended CONST_INT.
1650 2003-05-20 Richard Sandiford <rsandifo@redhat.com>
1651 * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
1652 * config/h8300/h8300.md (subqi3): Generalize for h8sx.
1653 (subhi3): Likewise. Don't accept immediates for operand 1.
1654 Remove the early clobber from second alternative of the h8300s pattern.
1655 (subsi3): Generalize for h8sx. Force operand 2 into a register
1656 on plain h8300 targets.
1657 (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
1658 (subsi3_h8300h): Generalize for h8sx.
1659 (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
1660 2003-05-19 Alexandre Oliva <aoliva@redhat.com>
1661 * config/h8300/h8300.c (reg_or_nibble_operand): New.
1662 * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1663 (TARGET_H8300SXMUL): New.
1664 (CONST_OK_FOR_P): New.
1665 (CONST_OK_FOR_LETTER_P): Adjust.
1666 * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
1667 umulhisi3): Accept 4-bit immediate on H8SX.
1668 (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
1669 (udivsi3, divhi3, udivsi3, divsi3): New.
1670 2003-05-19 Richard Sandiford <rsandifo@redhat.com>
1671 * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
1672 * config/h8300/h8300.h (OK_FOR_Q): New macro.
1673 (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
1674 (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
1675 Add ADDRESSOF to the bit_operand entry.
1676 * config/h8300/h8300.c (h8300_dst_operand): New predicate.
1677 (h8300_src_operand): Likewise.
1678 (bit_operand): Check nonimmediate_operand rather than general_operand.
1679 Accept any nonimmediate_operand in h8sx code.
1680 (h8300_and_costs): Initialize operands[1].
1681 (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
1682 (h8300_operand_class): New enum.
1683 (h8300_length_table): New typedef.
1684 (addb_length_table, addw_length_table, addl_length_table,
1685 logicl_length_table): New tables.
1686 (logicb_length_table, logicw_length_table): New macros.
1687 (h8300_classify_operand, h8300_length_from_table,
1688 h8300_length_table_for_insn, h8300_unary_length,
1689 h8300_insn_length_from_table): New functions.
1690 (output_plussi): Only use adds and subs for register destinations.
1691 Disable redundant clause.
1692 (compute_plussi_cc): Likewise.
1693 (compute_plussi_length): Likewise. Use h8300_length_from_table
1694 to work out the length of an insn.
1695 (output_logical_op): Only use narrower immediate instructions
1696 if the destination is a register.
1697 (compute_logical_op_cc): Likewise.
1698 (compute_logical_op_length): Likewise. Use h8300_length_from_table.
1699 (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
1700 * config/h8300/h8300.md (length_table): New attribute.
1701 (length): When an instruction has a length_table attribute, use
1702 h8300_insn_length_from_table to calculate its default length.
1703 (cmpqi): Use h8300_dst_operand for the first operand and
1704 h8300_src_operand for the second.
1705 (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
1706 negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
1707 addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
1708 iorsi3, xorhi3, xorsi3): Likewise.
1709 (andqi3): Use h8300_src_operand for operand 2. Adjust the condition
1710 so that it allows any combination of operands for TARGET_H8300SX.
1711 (iorqi3, xorqi3): Likewise.
1712 (cmpqi): Use the length_table attribute.
1713 (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
1714 xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1715 (cmpqi): Add 'Q' constraint.
1716 (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
1717 iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1718 2003-05-14 Richard Sandiford <rsandifo@redhat.com>
1719 * config/h8300/h8300.h (MASK_H8300SX): New macro.
1720 (TARGET_H8300S): True for both -ms and -msx.
1721 (TARGET_H8300SX): New macro.
1722 (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
1723 * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
1724 * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
1725 * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
1727 2003-02-28 Alexandre Oliva <aoliva@redhat.com>
1728 * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
1729 16-bit pointers and 32-bit ints.
1730 * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
1731 CONST_DOUBLE with mode no wider than SImode.
1732 * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
1734 2003-02-27 Alexandre Oliva <aoliva@redhat.com>
1735 * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
1737 * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1738 2003-02-22 Alexandre Oliva <aoliva@redhat.com>
1739 * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
1741 2004-05-28 Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1743 * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
1745 2004-07-07 Per Bothner <per@bothner.com>
1747 * flow.c (attempt_auto_inc): Remove now-redundant PUT_CODE.
1749 2004-07-07 Mike Stump <mrs@apple.com>
1751 * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
1752 * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
1753 (machopic_finish): Likewise.
1755 2004-07-07 Richard Henderson <rth@redhat.com>
1757 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
1758 through any value-preserving cast.
1760 2004-07-07 Alexandre Oliva <aoliva@redhat.com>
1762 * function.c (assign_parm_find_data_types): Call
1763 FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
1765 2004-07-07 Steven Bosscher <stevenb@suse.de>
1767 * tree-cfg.c (group_case_labels): Remove case labels that have
1768 the same target as the default case.
1770 2004-07-07 Steven Bosscher <stevenb@suse.de>
1772 * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
1773 regardless of DECL_LANG_SPECIFIC being present or not.
1774 * tree.h (DECL_NUM_STMTS): Purge.
1776 2004-07-07 Andrew Pinski <apinski@apple.com>
1778 * configure: Regenerate with the right autoconf.
1780 2004-07-07 David Edelsohn <edelsohn@gnu.org>
1782 * ifcvt.c (total_bb_rtx_cost): New function.
1783 (find_if_case_1): Compare rtx_cost of basic block to cost of
1785 (find_if_case_2): Same.
1787 2004-07-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1790 * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
1791 (output_return): Likewise.
1792 (output_sibcall): Abort if !flag_delayed_branch.
1793 (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
1794 (emit_and_preserve): New function.
1795 (sparc_output_mi_thunk): Use it. Honor flag_delayed_branch. Emit an
1796 indirect jump to the thunked-to function if !flag_delayed_branch.
1797 * config/sparc/sparc.md (delayed_branch): New attribute.
1798 (load_pcrel_sym): Honor flag_delayed_branch. Use above
1799 attribute to compute the length of the insn.
1800 (goto_handler_and_restore): Likewise.
1802 2004-07-07 Andrew Pinski <apinski@apple.com>
1804 PR tree-optimization/15777
1805 * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
1807 * expr.c (expand_expr_real_1): Fix formating.
1808 BUFFER_REF and IN_EXPR are dead.
1809 * fold-const.c (non_lvalue): BUFFER_REF is dead.
1810 * tree-inline.c (estimate_num_insns_1): Likewise.
1811 * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
1812 IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
1813 * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
1815 2004-07-07 H.J. Lu <hongjiu.lu@intel.com>
1817 * collect2.c (dump_file): Don't call cplus_demangle if
1818 HAVE_LD_DEMANGLE is defined.
1819 (main): Pass "--demangle" to ld if no_demangle is not 0 and
1820 HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
1821 if HAVE_LD_DEMANGLE is defined.
1823 * configure.ac (--with-demangler-in-ld): Added
1824 (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
1825 --with-demangler-in-ld is used.
1826 * config.in: Regenerated.
1827 * configure: Likewise.
1829 2004-07-07 Roger Sayle <roger@eyesopen.com>
1831 * config/rs6000/rs6000.c (struct processor_costs): Add new fields
1832 for simple floating point operations "fp", double precision
1833 multiplication "dmul", and single and double precision division
1834 "sdiv" and "ddiv". Update all CPU variant tables as appropriate.
1835 (ppc630_cost): New table split from ppc620_cost, to distinguish
1836 differences in floating point latencies.
1837 (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
1838 (rs6000_rtx_costs): Add support for single and double precision
1839 floating point addition, subtraction, multiplication, division,
1840 fused-multiply-add, fused-multiply-sub, negation, absolute value
1841 and negative absolute value. Tweak MEM case to use prefered idiom.
1843 2004-07-07 Richard Henderson <rth@redhat.com>
1845 * tree-flow-inline.h (may_propagate_copy): Move...
1846 * tree-ssa-copy.c (may_propagate_copy): ... here. Fail if we
1847 attempt to copy between types requiring conversion.
1848 * tree-flow.h (may_propagate_copy): Update decl.
1849 * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
1851 2004-07-07 Jakub Jelinek <jakub@redhat.com>
1853 * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
1854 from -mtune= option.
1856 2004-07-07 Alexandre Oliva <aoliva@redhat.com>
1858 * builtins.c: Rename movstr*, except for movstrict*, to
1859 movmem* and clrstr* to clrmem*.
1862 * genopinit.c: Likewise.
1863 * integrate.c: Likewise.
1864 * local-alloc.c: Likewise.
1865 * optabs.c: Likewise.
1866 * optabs.h: Likewise.
1867 * config/alpha/alpha.h: Likewise.
1868 * config/alpha/alpha.md: Likewise.
1869 * config/arm/arm-protos.h: Likewise.
1870 * config/arm/arm.c: Likewise.
1871 * config/arm/arm.md: Likewise.
1872 * config/avr/avr.md: Likewise.
1873 * config/c4x/c4x.c: Likewise.
1874 * config/c4x/c4x.md: Likewise.
1875 * config/frv/frv.md: Likewise.
1876 * config/i386/i386-protos.h: Likewise.
1877 * config/i386/i386.c: Likewise.
1878 * config/i386/i386.h: Likewise.
1879 * config/i386/i386.md: Likewise.
1880 * config/i860/i860.c: Likewise.
1881 * config/i860/i860.md: Likewise.
1882 * config/ip2k/ip2k.md: Likewise.
1883 * config/ip2k/libgcc.S: Likewise.
1884 * config/ip2k/t-ip2k: Likewise.
1885 * config/m32r/m32r.c: Likewise.
1886 * config/m32r/m32r.md: Likewise.
1887 * config/mcore/mcore.md: Likewise.
1888 * config/mips/mips.c: Likewise.
1889 * config/mips/mips.md: Likewise.
1890 * config/ns32k/ns32k.c: Likewise.
1891 * config/ns32k/ns32k.h: Likewise.
1892 * config/ns32k/ns32k.md: Likewise.
1893 * config/pa/pa.c: Likewise.
1894 * config/pa/pa.md: Likewise.
1895 * config/pdp11/pdp11.h: Likewise.
1896 * config/pdp11/pdp11.md: Likewise.
1897 * config/rs6000/rs6000.c: Likewise.
1898 * config/rs6000/rs6000.md: Likewise.
1899 * config/s390/s390-protos.h: Likewise.
1900 * config/s390/s390.c: Likewise.
1901 * config/s390/s390.md: Likewise.
1902 * config/sh/lib1funcs.asm: Likewise.
1903 * config/sh/sh.c: Likewise.
1904 * config/sh/sh.md: Likewise.
1905 * config/sh/t-sh: Likewise.
1906 * config/sparc/sparc.h: Likewise.
1907 * config/vax/vax.md: Likewise.
1908 * config/xtensa/xtensa.c: Likewise.
1909 * config/xtensa/xtensa.md: Likewise.
1910 * doc/invoke.texi: Likewise.
1911 * doc/md.texi: Likewise.
1912 * doc/rtl.texi: Likewise.
1914 2004-07-07 Richard Sandiford <rsandifo@redhat.com>
1917 * config/mips/mips-protos.h (mips_declare_common_object): Declare.
1918 * config/mips/mips.c (mips_declare_common_object): New function,
1919 mostly split out from...
1920 (mips_output_aligned_decl_common): ...here.
1921 * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
1922 (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
1923 * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
1924 rather than ASM_OUTPUT_LOCAL. Call mips_declare_common_object.
1926 2004-07-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1929 * function.c (assign_parms): Fix typo from previous change.
1931 2004-07-07 Jason Merrill <jason@redhat.com>
1934 * doc/extend.texi (C++ Interface): Correct information and
1937 2004-07-07 Vladimir Makarov <vmakarov@redhat.com>
1942 * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
1945 2004-07-06 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1948 * config/m32r/m32r.c (m32r_function_symbol): New function:
1949 Generate a symbol name RTX with the correct m32r specific flags
1951 (block_move_call): Use new function to generate correct symbol.
1952 * config/m32r/m32r-protos.h: Add prototype for new funcion.
1953 * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
1956 2004-07-07 Nathan Sidwell <nathan@codesourcery.com>
1958 * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
1959 TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
1960 TYPE_BINFO_BASETYPE): Remove.
1961 (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
1963 (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
1965 (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
1966 (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
1967 (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
1968 (struct tree_binfo): Rename base_types to base_binfos.
1969 * alias.c (record_component_aliases): Adjust BINFO macros.
1970 * dbxout.c (dbxout_type): Likewise.
1971 * dwarf2out.c (gen_member_die): Likewise.
1972 * sdbout.c (sdbout_one_type): Likewise.
1973 * tree-dump.c (deque_and_dump): Likewise.
1974 * config/i386/i386.c (classify_argument,
1975 contains_128bit_aligned_vector_p): Likewise.
1977 2004-07-07 Nick Clifton <nickc@redhat.com>
1979 * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
1980 arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
1982 2004-07-07 Nathan Sidwell <nathan@codesourcery.com>
1984 * vec.h: Fix the example use.
1986 2004-07-06 Richard Henderson <rth@redhat.com>
1988 * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
1989 * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
1990 * tree-inline.c (copy_body_r, setup_one_parameter,
1991 initialize_inlined_parameters, expand_call_inline,
1992 declare_inline_vars): Don't check it.
1993 (expand_calls_inline): Remove old version, rename new version
1994 from gimple_expand_calls_inline.
1995 * tree-optimize.c (execute_gimple): Remove.
1996 (pass_gimple): Don't run anything.
1998 2004-07-06 Joseph S. Myers <jsm@polyomino.org.uk>
2000 * doc/sourcebuild.texi: Use semicolons instead of commas in
2003 2004-07-06 Richard Henderson <rth@redhat.com>
2005 * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
2006 (sra_walk_modify_expr, scan_init): Likewise.
2007 (generate_element_zero): Check visited before scanning children.
2008 (generate_element_init): Set visited on error.
2009 (scalarize_init): Handle generate_element_init failure similar
2012 2004-07-06 Joseph S. Myers <jsm@polyomino.org.uk>
2014 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
2015 (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
2017 2004-07-06 Richard Henderson <rth@redhat.com>
2019 * config/i386/i386.c (legitimize_pic_address): Make static.
2020 (legitimize_address): Handle CONST with TLS operand.
2021 (ix86_expand_move): Don't call legitimize_pic_address directly.
2022 * config/i386/i386-protos.h (legitimize_pic_address): Remove.
2024 2004-07-06 Roger Sayle <roger@eyesopen.com>
2026 * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
2027 (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
2028 (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
2029 is currently executed unconditionally, i.e. not in "else_bb".
2031 2004-07-06 Steven Bosscher <stevenb@suse.de>
2033 * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
2034 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2035 * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
2036 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2037 * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2038 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2039 * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2040 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2041 * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2042 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2043 * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2044 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2045 * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2046 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2047 * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2048 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2050 2004-07-06 Daniel Berlin <dberlin@dberlin.org>
2052 * dojump.c (do_jump): REFERENCE_EXPR is dead.
2053 * expr.c (expand_expr_real_1): Ditto.
2054 * tree-inline.c (estimate_num_insns_1): Ditto.
2055 * tree-pretty-print.c (dump_generic_node): Ditto.
2059 2004-07-06 Daniel Berlin <dberlin@dberlin.org>
2061 * tree-ssa-pre.c (reference_node_pool): New pool.
2062 (find_or_generate_expression): Class 'r' is okay too.
2063 (create_value_expr_from): Ditto.
2064 (add_to_sets): LHS should not include vuses.
2066 (compute_avail): Reverse ordering of tests.
2067 Valuize INDIRECT_REF as well.
2069 2004-07-06 Richard Sandiford <rsandifo@redhat.com>
2071 PR rtl-optimization/16380
2072 * loop.c (check_dbra_loop): Sink comparison instructions if they
2073 do something other than set cc0.
2075 2004-07-06 James E Wilson <wilson@specifixinc.com>
2077 * doc/interface.texi (longjmp and automatic variables): Delete
2078 paragraph recommending taking the address of a variable.
2080 2004-07-06 Nathan Sidwell <nathan@codesourcery.com>
2082 * vec.h (VEC_embedded_alloc): Remove.
2083 (VEC_embedded_size, VEC_embedded_init): New.
2084 (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2086 (VEC_truncate): New.
2087 (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2088 (vec_embedded_alloc): Remove.
2089 * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2090 (vec_embedded_alloc): Remove.
2092 2004-07-06 Mark Mitchell <mark@codesourcery.com>
2094 * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2095 (gt-langhooks.h): Remove.
2097 2004-07-06 George Helffrich <george@gly.bris.ac.uk>
2099 * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2101 2004-07-06 Eric Botcazou <ebotcazou@libertysurf.fr>
2103 * config/sparc/sparc.c (get_pc_symbol): Rename into
2104 add_pc_to_pic_symbol.
2105 (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2106 (load_pic_register): Account for previous changes.
2107 Use reg_names. Don't create the label twice.
2108 * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2109 UNSPEC_LOAD_PCREL_SYM.
2110 (get_pc): Rename into load_pcrel_sym. Add predicate to
2111 operands. Remove condition.
2113 2004-07-06 Nathan Sidwell <nathan@codesourcery.com>
2115 * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2116 RECORD, UNION & QUAL_UNION is actually a binfo.
2118 * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2119 (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2120 (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2121 * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2122 * dwarf2out.c (add_data_member_location_attribute): Likewise.
2123 (gen_inheritance_die): Likewise.
2124 * tree-dump.c (deque_and_dump): Likewise.
2125 * doc/c-tree.texi (Binfos): Add under reconstruction note.
2127 2004-07-06 Steven Bosscher <stevenb@suse.de>
2129 * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2131 * config/mcore/mcore.md: Model memory latency with a simple DFA
2132 pipeline description instead of a define_function_unit.
2134 2004-07-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2136 * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2137 * langhooks.h (var_mod_type_p): Likewise.
2138 * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2139 * expr.c (count_type_elements): Properly handle return from
2140 array_type_nelts and properly test for overflow.
2141 * gimplify.c (gimplify_init_constructor): Properly handle return
2142 from array_type_nelts.
2143 (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2144 * integrate.c (copy_decl_for_inlining): Correct comments.
2145 * tree-inline.c (remap_decl): Update comments, remove dead code,
2146 and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2147 (remap_type): Only remap if variably modified by vars in function
2149 (copy_body_r): Use compatible_type langhooks to see when can fold.
2150 (setup_one_parameter): Don't remap type.
2151 (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2152 * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2153 compute TREE_INVARIANT for decl case.
2154 (find_var_from_fn): New function.
2155 (variably_modified_type_p): Add arg and call new function.
2156 * tree.h (variably_modified_type_p): Add extra arg.
2158 2004-07-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2160 * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2161 (goto_handler_and_restore_v9): Delete disabled insn.
2162 (goto_handler_and_restore_v9_sp64): Likewise.
2164 2004-07-05 Roger Sayle <roger@eyesopen.com>
2166 * calls.c (load_register_parameters): Call expand_shift instead
2167 of expand_binop with ashl_optab (or other shift optab) directly.
2168 * expr.c (emit_group_load, emit_group_store): Likewise.
2169 * function.c (assign_parm_setup_block): Likewise.
2170 * stmt.c (shift_return_value): Likewise.
2172 2004-07-05 Jakub Jelinek <jakub@redhat.com>
2174 * expr.c (expand_assignment): Disable the bitfield += optimizations.
2176 2004-07-05 Joseph S. Myers <jsm@polyomino.org.uk>
2178 * doc/sourcebuild.texi: Revert previous patch.
2180 2004-07-05 Joseph S. Myers <jsm@polyomino.org.uk>
2182 * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2183 TARGET_MEM_FUNCTIONS.
2184 * system.h: Poison TARGET_MEM_FUNCTIONS.
2185 * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2186 bcmp_libfunc, bzero_libfunc): Remove.
2187 * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2189 * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2190 * doc/standards.texi: Don't mention calling BSD string functions.
2191 * doc/invoke.texi: Likewise. Mention that memmove may be called.
2192 * config/vax/t-memfuncs: New.
2193 * config/memcmp.c, config/memcpy.c, config/memmove.c,
2194 config/memset.c: New.
2195 * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2196 * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2198 * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2199 config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2200 config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2201 config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2202 config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2203 config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2204 config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2205 config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2206 config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2207 config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2209 2004-07-05 Richard Henderson <rth@redhat.com>
2211 * function.c (assign_parm_setup_reg): Properly rename variables in
2212 FUNCTION_ARG_CALLEE_COPIES section.
2214 2004-07-05 Zack Weinberg <zack@codesourcery.com>
2216 * tree-mudflap.c: Include cgraph.h.
2217 (mf_init_extern_trees): Rename to mudflap_init. Export.
2218 Rewrite to create synthetic declarations instead of looking
2219 up declarations from mf-runtime.h.
2220 (mf_make_builtin, mf_make_cache_struct_type): New functions.
2221 (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2223 (execute_mudflap_function_decls, mudflap_register_call):
2224 Don't call mf_init_extern_trees.
2225 (mudflap_finish_file): Use cgraph_build_static_cdtor.
2227 * tree-mudflap.h: Update prototypes.
2228 * c-mudflap.c: Delete file.
2229 * c-common.c: Include tree-mudflap.h.
2230 (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2231 * Makefile.in: Remove all references to c-mudflap.o.
2232 Update dependencies.
2234 2004-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2236 * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2237 displacements with the spatial-locality cache-control completer.
2239 2004-07-05 Zack Weinberg <zack@codesourcery.com>
2241 * langhooks.c: Don't include gt-langhooks.h.
2242 (var_labelno): Delete.
2243 (lhd_set_decl_assembler_name): Do not append a distinguishing
2244 number to file-scope internal-linkage declarations for the first
2245 input file, even if they have DECL_CONTEXT set. Use DECL_UID of
2246 the declaration itself (if at block scope), or its containing
2247 TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2250 * opts.c (cur_in_fname): New global.
2251 * opts.h: Declare it.
2252 * tree.c: Include opts.h.
2253 (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2254 DECL_UID equal to cur_in_fname.
2255 (copy_node_stat): Do not change DECL_UID when copying a
2256 TRANSLATION_UNIT_DECL.
2257 (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2258 range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2260 * c-decl.c (c_static_assembler_name): Delete.
2261 * c-tree.h (c_static_assembler_name): Delete prototype.
2262 * c-lang.c, objc/objc-lang.c: Don't override
2263 LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2265 * Makefile.in (tree.o): Update dependencies.
2266 (GTFILES): Remove langhooks.c.
2268 2004-07-05 Roger Sayle <roger@eyesopen.com>
2270 * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2271 by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2272 Normalize "X % C" as "X % -C" for signed modulus and negative C.
2273 Optimize "X % -Y" as "X % Y" for signed modulus.
2274 <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2275 into "((unsigned) X % Y) == 0".
2277 2004-07-05 Joseph S. Myers <jsm@polyomino.org.uk>
2279 * sourcebuild.texi (Config Fragments): Use @comma{} in
2280 cross-reference to section title.
2282 2004-07-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2284 * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
2285 * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
2286 (gimplify_target_expr, gimplify_expr): Likewise.
2287 (copy_if_shared_r): No longer need special case for BIND_EXPR.
2288 (unshare_body, unvisit_body): Only look at nested if BODY_P is
2290 (gimplify_compound_lval): See if we can strip any useless conversion.
2291 (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
2293 (gimplify_modify_expr_to_memset): Likewise.
2294 (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
2295 * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
2296 (declare_inline_vars): Likewise.
2297 (walk_type_fields): New function.
2298 (walk_tree): Use it.
2299 * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
2301 * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
2302 (sra_walk_modify_expr): Allow init function to fail.
2303 (scan_init): Now returns bool.
2304 (generate_element_init): If can't understand INIT, return false.
2305 (scalarize_init): Return false if generate_element_init does.
2307 * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
2310 * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
2311 bounds if bounds aren't constant.
2313 * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
2315 * function.c, langhooks-def.h, langhooks.h: Move max_size hook
2316 to type hooks; remove bogus PARAMS.
2318 2004-07-05 Nathan Sidwell <nathan@codesourcery.com>
2320 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
2321 * dwarf2out.c (add_data_member_location_attribute): Check for
2323 * tree.c (tree_node_kinds): Add "binfos".
2324 (binfo_lang_slots): New.
2325 (make_node_stat): Add TREE_BINFO.
2326 (make_tree_binfo_stat): New.
2327 (tree_node_structure): Add TREE_BINFO.
2328 * tree.def (TREE_BINFO): New.
2329 * tree.h (REC_OR_UNION_CHECK): Rename to ...
2330 (RECORD_OR_UNION_CHECK): ... here.
2331 (NOT_RECORD_OR_UNION_CHECK): New.
2332 (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
2333 (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
2334 RECORD_OR_UNION_CHECK.
2335 (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
2336 (TYPE_LANG_SLOT_1): New.
2337 (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
2338 BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
2339 BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
2340 (BINFO_ELTS): Remove.
2341 (BINFO_LANG_SLOT): New.
2342 (struct tree_binfo): New.
2343 (binfo_lang_slots): Declare.
2344 (enum tree_node_structure_enum): Add TS_BINFO.
2345 (union tree_node): Add binfo.
2346 (make_tree_binfo_stat): Declare.
2347 (make_tree_binfo): New.
2348 (enum tree_node_kind): Add binfo_kind.
2350 * objc/objc-act.c (start_class, objc_declare_protocols,
2351 start_protocols): Use TYPE_LANG_SLOT_1.
2352 * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
2354 (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
2355 (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
2356 CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
2357 PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
2359 2004-07-05 Steven Bosscher <stevenb@suse.de>
2361 * rtl.h (struct rtx_def): Remove the integrated flag.
2362 Use the return_val flag for MEM_SCALAR_P.
2363 Reshuffle and update flags in CLEAR_RTX_FLAGS.
2365 2004-07-05 Richard Sandiford <rsandifo@redhat.com>
2368 * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
2369 to mips_expand_unaligned_load, mips_expand_unaligned_store, and
2372 2004-07-05 Josef Zlomek <zlomekj@suse.cz>
2374 * var-tracking.c: Fix some comments.
2375 (frame_stack_adjust): New.
2376 (vt_stack_adjustments): Init stack_adjust of entry block to
2377 minus stack adjustment of function prologue.
2378 (adjust_stack_reference): Do not adjust if adjustment == 0.
2379 (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
2380 (emit_notes_in_bb): Likewise.
2381 (vt_add_function_parameters): Do not adjust locations of
2383 (vt_initialize): Compute the stack adjustment of function
2384 prologue and offset the initial "location" of frame_base_decl
2385 from the stack pointer after prologue.
2387 2004-07-04 Richard Henderson <rth@redhat.com>
2389 * function.c (struct assign_parm_data_all): New.
2390 (struct assign_parm_data_one): New.
2391 (assign_parms_initialize_all, assign_parms_augmented_arg_list,
2392 assign_parm_find_data_types, assign_parms_setup_varargs,
2393 assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
2394 assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
2395 assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
2396 assign_parm_setup_block, assign_parm_setup_reg,
2397 assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
2398 (assign_parms): ... here.
2400 2004-07-04 Daniel Berlin <dberlin@dberlin.org>
2402 * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
2403 now are bitmap_set_t's.
2404 (bitmap_insert_into_set): No point in inserting the value if
2406 (bitmap_set_contains): New function.
2407 (bitmap_set_replace_value): Add comment on why we do it
2409 (set_contains): Removed.
2410 (bitmap_set_subtract_from_value_set): New name of
2411 set_subtract now that it's arguments are two different
2414 (bitmap_find_leader): Change algorithm used.
2415 (find_or_generate_expression): Update use of functions for new
2417 (create_expression_by_pieces): Ditto.
2418 (insert_aux): Ditto.
2420 (add_to_sets): Ditto.
2422 (execute_pre): Ditto.
2423 (compute_avail): Ditto.
2424 Also ignore virtual phis.
2426 2004-07-04 Richard Sandiford <rsandifo@redhat.com>
2428 * combine.c (simplify_comparison): Fix comment typo.
2430 2004-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2432 * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
2433 into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
2434 (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
2435 (output_restore): Change parameter from 'insn' to 'pat'.
2436 (output_return): Adjust call to output_restore.
2437 (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
2438 Adjust call to output_restore.
2440 2004-07-04 Neil Booth <neil@duron.akihabara.co.uk>
2442 * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
2443 and assert system is bsd.
2445 2004-07-04 Richard Sandiford <rsandifo@redhat.com>
2447 * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
2448 (TARGET_SWITCHES): Remove -mdebugc.
2449 * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2450 (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
2451 (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
2452 (sle_[sd]i_reg): Delete.
2454 2004-07-04 Steven Bosscher <stevenb@suse.de>
2456 * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2458 * config/iq2000/iq2000.md: Translate old pipeline description to an
2461 2004-07-04 Roger Sayle <roger@eyesopen.com>
2463 * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
2464 Ensure the replacement rhs is valid gimple before performing
2465 the substitution. Return false if these sanity checks fail.
2466 (fold_stmt): Only set changed to true, if set_rhs returns true.
2467 (execute_fold_all_builtins): Only call modify_stmt if set_rhs
2470 2004-07-04 Richard Henderson <rth@redhat.com>
2473 * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
2475 2004-07-04 Mark Mitchell <mark@codesourcery.com>
2477 * configure.ac (ranlib_flags): New variable.
2478 * Makefile.in (RANLIB_FLAGS): New variable.
2479 (libbackend.a): Use it.
2480 * configure: Regenerated.
2482 2004-07-04 Roger Sayle <roger@eyesopen.com>
2484 * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
2485 a "sign mask" instead of using ashr_optab directly.
2487 2004-07-04 Neil Booth <neil@duron.akihabara.co.uk>
2489 * doc/cpp.texi: Don't document what we do for ill-formed expressions.
2490 * doc/cppopts.texi: Clarify processing of command-line defines.
2492 2004-07-04 Gerald Pfeifer <gerald@pfeifer.com>
2494 * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
2496 2004-07-04 Richard Henderson <rth@redhat.com>
2498 * rtl.def (ADDRESSOF): Remove.
2499 * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
2500 (find_base_term, memrefs_conflict_p): Likewise.
2501 * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
2502 (fold_rtx, cse_insn, set_live_p): Likewise.
2503 * dwarf2out.c (mem_loc_descriptor): Likewise.
2504 (add_location_or_const_value_attribute): Likewise.
2505 * emit-rtl.c (copy_insn_1): Likewise.
2506 * explow.c (memory_address): Likewise.
2507 * expmed.c (store_split_bit_field): Likewise.
2508 * expr.c (expand_expr_real_1): Likewise.
2509 * function.c (instantiate_decl
2510 (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
2511 * genrecog.c (preds, validate_pattern): Likewise.
2512 * integrate.c (copy_rtx_and_substitute): Likewise.
2513 * recog.c (general_operand, register_operand): Likewise.
2514 (memory_address_p): Likwise.
2515 * reload1.c (eliminate_regs, elimination_effects): Likewise.
2516 * rtl.c (copy_rtx): Likewise.
2517 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2518 (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
2519 * rtlhooks.c (gen_lowpart_general): Likewise.
2520 * stmt.c (expand_asm_operands): Likewise.
2521 * web.c (entry_register, replace_ref, web_main): Likewise.
2522 * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
2523 alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2524 * config/arm/arm.c (thumb_rtx_costs): Likewise.
2525 * config/c4x/c4x.c (c4x_valid_operands): Likewise.
2526 * config/frv/frv.c (move_destination_operand, move_source_operand,
2527 condexec_dest_operand, condexec_source_operand,
2528 condexec_memory_operand): Likewise.
2529 * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
2530 * config/ia64/ia64.c (general_xfmode_operand): Likewise.
2531 (destination_xfmode_operand): Likewise.
2532 * config/mips/mips.h (PREDICATE_CODES): Likewise.
2533 * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
2534 * config/s390/s390.c (general_s_operand): Likewise.
2535 * config/s390/s390.md (mov*): Likewise.
2536 * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
2538 * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
2539 * expr.c (expand_expr_real_1): Likewise.
2540 * stmt.c (expand_decl): Likewise.
2541 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2543 * function.c (struct fixup_replacement, struct insns_for_mem_entry,
2544 postponed_insns, put_var_into_stack, put_reg_into_stack,
2545 schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
2546 fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
2547 fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
2548 walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
2549 gen_mem_addressof, flush_addressof, put_addressof_into_stack,
2550 purge_bitfield_addressof_replacements, purge_addressof_replacements,
2551 purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
2552 struct insns_for_mem_walk_info, insns_for_mem_walk,
2553 compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
2554 setjmp_protect_args): Remove.
2555 (push_function_context_to): Don't handle var_refs_queue.
2556 (pop_function_context_from, free_after_compilation): Likewise.
2557 (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
2558 (assign_parms, allocate_struct_function): Likewise.
2559 (use_register_for_decl): New.
2560 (expand_function_end): Don't setjmp_protect.
2561 * function.h (struct emit_status): Update commentary.
2562 (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
2563 (max_parm_reg, parm_reg_stack_loc): Remove.
2564 * passes.c (DFI_addressof): Remove.
2565 (dump_file_info): Remove addressof.
2566 (rest_of_handle_addressof): Remove.
2567 (rest_of_compilation): Don't call it.
2568 * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
2569 * stmt.c (expand_decl): Use use_register_for_decl.
2570 * tree.h: Update decls.
2571 * web.c (mark_addressof): Remove.
2572 * doc/invoke.texi (-dF): Remove.
2574 2004-07-03 Richard Henderson <rth@redhat.com>
2576 * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
2577 instead of gen_mem_addressof.
2578 * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
2579 TImode output register.
2581 2004-07-03 Richard Henderson <rth@redhat.com>
2583 PR tree-optimization/16341
2584 * tree-sra.c (sra_walk_function): Increment to next stmt before
2585 processing the current stmt.
2586 (sra_insert_after): Always use BSI_SAME_STMT.
2588 2004-07-03 Richard Henderson <rth@redhat.com>
2590 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
2593 2004-07-03 Joseph S. Myers <jsm@polyomino.org.uk>
2595 * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
2596 with tree_int_cst_equal.
2598 2004-07-03 Andreas Schwab <schwab@suse.de>
2600 * config/ia64/ia64.md: Define new attribute "empty".
2601 (prologue_use, nop_x, insn_group_barrier): Set it.
2603 * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
2604 skip over "empty" insns.
2606 2004-07-03 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2608 * tree-inline.c (initialize_inlined_parameters): Pass proper function
2609 context to gimplify_body.
2610 (walk_tree): Don't walk into types twice.
2611 (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
2613 * tree-sra.c (generate_element_init): Remove any useless conversions.
2615 * gimplify.c (gimplify_conversion): Remove stripping useless
2616 conversions from here.
2617 (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
2618 (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
2619 Unshare before substituting PLACEHOLDER_EXPR.
2620 (gimplify_modify_expr_to_memset): Likewise.
2621 Pass address of TO to memset, not TO itself.
2622 (gimplify_init_constructor): Make copy of OBJECT so we have it each
2623 time we make an expression (to match a PLACEHOLDER_EXPR).
2625 * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
2626 VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
2627 * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
2628 * tree-ssa-dom.c (local_fold): Likewise.
2630 * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
2631 * langhooks.h (strct lang_hooks): New field type_max_size.
2632 * function.c (assign_temp): Call it.
2634 2004-07-03 Steven Bosscher <stevenb@suse.de>
2636 * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
2637 * config/sh/sh.md: Convert the SH1 pipeline description to
2640 2004-07-02 Zack Weinberg <zack@codesourcery.com>
2642 * c-decl.c (struct c_binding): Remove contour field; add
2643 depth, invisible, nested fields.
2644 (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
2645 (B_IN_EXTERNAL_SCOPE): New convenience macros.
2646 (bind): Add invisible and nested arguments. Initialize
2647 new fields of struct c_binding; adjust loop scanning for
2649 (free_binding_and_advance): Clear structure with memset.
2650 (pop_scope): Adjust to match. Set DECL_CONTEXT on everything
2651 in file scope, even if it's in external scope too.
2652 (pushdecl): Adjust to match. Create invisible file-scope
2653 declarations for block-scope forward declarations of static functions.
2654 (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
2655 (undeclared_variable, lookup_label, declare_label, define_label)
2656 (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
2657 (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
2658 (store_parm_decls_oldstyle): Adjust to match.
2659 (diagnose_mismatched_decls): Correct handling of linkage clashes.
2660 (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
2662 * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
2663 (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
2665 2004-07-02 Richard Henderson <rth@redhat.com>
2667 * c-decl.c (grokdeclarator): Don't frob current_function_decl
2668 around variable_size.
2669 (set_decl_nonlocal): Remove.
2670 (store_parm_decls): Add stmts for pending sizes.
2671 * calls.c (calls_function, calls_function_1): Remove.
2672 (precompute_arguments): Don't call it.
2673 * cfgexpand.c (set_save_expr_context): Remove.
2674 (tree_expand_cfg): Don't call it.
2675 * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
2676 (dwarf2out_finish): Likewise.
2677 * expr.c (emit_block_move): Adjust addresses to BLKmode.
2678 (store_constructor): Don't pre-evaluate SAVE_EXPR.
2679 (safe_from_p): Don't queue SAVE_EXPRs.
2680 (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
2681 or build plain VAR_DECLs.
2682 * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
2684 (fold_checksum_tree): Don't special-case SAVE_EXPR.
2685 * function.c (free_after_compilation): Don't clear x_save_expr_regs.
2686 (put_var_into_stack): Don't handle SAVE_EXPR.
2687 (gen_mem_addressof): Likewise.
2688 * function.h (struct function): Remove x_save_expr_regs.
2689 (save_expr_regs): Remove.
2690 * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
2691 * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
2692 * stor-layout.c (variable_size): Don't set it.
2693 (force_type_save_exprs, force_type_save_exprs_1): Remove.
2694 * tree-inline.c (remap_save_expr): Remove fn argument. Update
2695 all callers. Don't set SAVE_EXPR_CONTEXT.
2696 * tree-inline.h (remap_save_expr): Update decl.
2697 * tree.c (save_expr): Update build size.
2698 (first_rtl_op): Don't handle SAVE_EXPR.
2699 (unsave_expr_1, contains_placeholder_p): Likewise.
2700 (decl_function_context): Likewise.
2701 * tree.def (SAVE_EXPR): Remove args 1 and 2.
2702 * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
2703 (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
2705 2004-07-03 Joseph S. Myers <jsm@polyomino.org.uk>
2707 * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
2708 doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
2709 doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
2710 doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
2711 some first-person references and patronizing comments. Based on
2713 * doc/invoke.texi: Don't reference fortran@gnu.org.
2714 * doc/trouble.texi (Warning when a non-void function value is
2715 ignored): Rewrite. From Russ Allbery and Chris Devers.
2717 2004-07-02 Daniel Berlin <dberlin@dberlin.org)
2719 * tree-ssa-pre.c (bitmap_set_t): New.
2720 (bb_value_sets): avail_out is now a bitmap_set_t.
2721 (bitmap_find_leader): New function.
2722 (bitmap_value_insert_into_set): Ditto.
2723 (bitmap_set_copy): Ditto.
2724 (bitmap_value_replace_in_set): Ditto.
2725 (bitmap_set_contains_value): Ditto.
2726 (bitmap_set_new): Ditto.
2727 (bitmap_set_pool): New pool.
2728 (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
2729 (insert_aux): Ditto.
2730 (add_to_sets): Ditto.
2731 (compute_avail): Ditto
2735 (execute_pre): Ditto.
2737 2004-07-02 Roger Sayle <roger@eyesopen.com>
2739 * config/rs6000/rs6000.c (struct processor_costs): New structure
2740 used to hold instruction latencies/sizes for processor types.
2741 (rs6000_cost): New global variable pointing to current CPU's costs.
2742 (rs6000_override_options): Initialize rs6000_cost to point to the
2743 appropriate cost table based upon rs6000_cpu and optimize_size.
2744 (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
2747 2004-07-02 Richard Henderson <rth@redhat.com>
2749 * expmed.c (make_tree): Don't use SET_DECL_RTL.
2751 2004-07-02 Steven Bosscher <stevenb@suse.de>
2753 * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
2755 2004-07-01 Richard Henderson <rth@redhat.com>
2757 * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
2758 (alpha_gp_save_rtx): Use assign_stack_local instead of
2761 2004-07-01 Richard Henderson <rth@redhat.com>
2763 * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
2764 (alpha_rtx_cost_data): Update to match.
2765 (alpha_rtx_cost_size): New.
2766 (alpha_rtx_costs): Honor optimize_size.
2768 2004-07-01 Richard Henderson <rth@redhat.com>
2770 * gimple-low.c (lower_function_body): Don't reset_block_changes here.
2771 * cfgexpand.c (tree_expand_cfg): Do it here.
2772 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
2773 * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
2774 * config/mips/mips.c (mips_output_mi_thunk): And here.
2775 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
2776 * config/sh/sh.c (sh_output_mi_thunk): And here.
2777 * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
2779 2004-07-01 Richard Henderson <rth@redhat.com>
2781 * tree.def (RTL_EXPR): Remove.
2782 * c-typeck.c (lvalue_p): Don't handle it.
2783 * expr.c (safe_from_p): Likewise.
2784 (expand_expr_real_1): Likewise.
2785 * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
2786 (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
2787 * gengtype.c (adjust_field_tree_exp): Likewise.
2788 * stmt.c (warn_if_unused_value): Likewise.
2789 * tree-gimple.c (recalculate_side_effects): Likewise.
2790 * tree-pretty-print.c (dump_generic_node): Likewise.
2791 * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
2792 (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
2793 * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
2795 * stmt.c (struct stmt_status): Remove x_last_expr_type,
2796 x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
2797 (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
2798 (expand_expr_stmt): Merge with expand_expr_stmt_value. Remove
2799 all the bits that tracked last_expr.
2800 (expand_end_bindings): Don't track last_expr.
2801 (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
2802 (clear_last_expr): Remove.
2803 (expand_asm): Don't call it.
2804 (expand_asm_operands, expand_end_cond): Likewise.
2805 (expand_naked_return, expand_null_return_1): Likewise.
2806 * c-typeck.c (c_begin_compound_stmt): Likewise.
2807 * cfgexpand.c (expand_block): Use expand_expr_stmt.
2808 * expr.c (expand_expr_real_1): Likewise.
2809 * tree.h: Update prototypes.
2811 * function.h (struct sequence_stack): Remove sequence_rtl_expr.
2812 (struct emit_status): Remove sequence_rtl_expr.
2813 (struct function): Remove x_rtl_expr_chain.
2814 (seq_rtl_expr, rtl_expr_chain): Remove.
2815 * function.c (struct temp_slot): Remove rtl_expr.
2816 (assign_stack_temp_for_type): Don't set it.
2817 (free_temp_slots, pop_temp_slots): Don't check it.
2818 (free_after_compilation): Don't clear x_rtl_expr_chain.
2819 (fixup_var_refs): Don't search it.
2820 (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
2821 * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
2823 (push_topmost_sequence): Likewise.
2824 (end_sequence, init_emit): Likewise.
2825 (start_sequence_for_rtl_expr): Remove.
2826 * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
2827 * rtl.h (preserve_rtl_expr_result): Remove.
2829 2004-07-02 Kazu Hirata <kazu@cs.umass.edu>
2831 * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
2832 tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
2835 2004-07-02 Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2837 * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
2838 (STANDARD_STARTFILE_PREFIX_2): Define.
2839 (standard_startfile_prefix_1): Initialize to
2840 STANDARD_STARTFILE_PREFIX_1.
2841 (standard_startfile_prefix_2): Initialize to
2842 STANDARD_STARTFILE_PREFIX_2.
2843 * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
2844 (STANDARD_STARTFILE_PREFIX_1): Define.
2845 (STANDARD_STARTFILE_PREFIX_2): Define.
2846 * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
2847 (STANDARD_STARTFILE_PREFIX_2): Document.
2849 2004-07-01 Richard Henderson <rth@redhat.com>
2851 * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
2852 in order to disable scalarization. Instead set a flag and wait
2853 for a candidate decl.
2855 2004-07-01 Joseph S. Myers <jsm@polyomino.org.uk>
2857 * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
2858 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
2859 Use terminology "testsuite" and "enumerated".
2861 2004-07-01 Richard Henderson <rth@redhat.com>
2863 * dwarf2out.c (reg_save): Use INVALID_REGNUM.
2864 (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
2865 (initial_return_save): Likewise.
2866 (flush_queued_reg_saves): Remap register numbers.
2867 (dwarf2out_return_reg): Likewise.
2869 2004-07-01 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2871 * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
2873 * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
2874 access functions for lower bound and element size and only output
2875 if lower bound nonzero or element size not same as that of type.
2876 (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
2878 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
2880 * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
2882 2004-07-01 Per Bothner <per@bothner.com>
2884 * final.c (final): Fix typo reported by Aaron W. LaFramboise.
2886 2004-07-01 Jakub Jelinek <jakub@redhat.com>
2888 * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
2889 bitfields as well. STRIP_NOPS from src operand and PLUS_EXPR's
2890 first operand. Don't optimize if the bitfield is volatile.
2892 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
2894 * c-pretty-print.c (pp_c_postfix_expression): Handle
2895 floating-point comparison operators.
2896 (pp_c_expression): Pass floating-point comparison
2897 operators to pp_c_postfix_expression.
2899 2004-07-01 Roger Sayle <roger@eyesopen.com>
2901 * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
2902 rtx_cost instead of "had_mult" to determine whether the transformed
2903 expression is cheaper than the original.
2905 2004-07-01 Jerry Quinn <jlquinn@optonline.net>
2907 * alias.c (get_alias_set, canon_rtx, get_addr,
2908 nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
2910 * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
2911 expand_builtin): Likewise.
2912 * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
2914 * combine.c (can_combine_p, combinable_i3pat, try_combine,
2915 find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
2916 rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
2917 record_dead_and_set_regs_1, get_last_value_validate,
2918 mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
2919 * cse.c (check_dependence, canon_hash, equiv_constant,
2920 gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
2921 cse_around_loop, cse_check_loop_start, cse_set_around_loop,
2922 count_reg_usage): Likewise.
2923 * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
2924 cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
2925 cselib_record_sets): Likewise.
2926 * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
2927 dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
2928 * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
2929 * df.c (df_uses_record): Likewise.
2930 * dojump (do_jump): Likewise.
2931 * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
2932 loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
2933 decl_start_label): Likewise.
2934 * emit-rtl.c (gen_complex_constant_part, gen_highpart,
2935 operand_subword, change_address_1, make_safe_from): Likewise.
2936 * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
2937 stabilize, force_not_mem): Likewise.
2938 * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
2939 expand_mult_const, expand_divmod, emit_store_flag): Likewise.
2940 * expr.c (convert_move, convert_modes, emit_block_move,
2941 emit_group_load, emit_group_store, clear_storage, emit_move_insn,
2942 emit_move_insn_1, expand_assignment, store_expr,
2943 store_constructor_field, store_constructor, store_field,
2944 force_operand, safe_from_p, expand_expr_real_1, expand_increment):
2946 * final.c (cleanup_subreg_operands, alter_subreg,
2947 get_mem_expr_from_op): Likewise.
2948 * flow.c (notice_stack_pointer_modification_1,
2949 init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
2951 * function.c (mark_temp_addr_taken, preserve_temp_slots,
2952 preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
2953 optimize_bit_field, flush_addressof, purge_addressof_1,
2954 instantiate_decl, instantiate_virtual_regs_1, assign_parms,
2955 setjmp_protect, setjmp_protect_args, fix_lexical_addr,
2956 keep_stack_depressed): Likewise.
2957 * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
2958 noce_process_if_block, find_memory): Likewise.
2959 * integrate.c (subst_constants, allocate_initial_values): Likewise.
2960 * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
2961 update_equiv_regs): Likewise.
2962 * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
2963 maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
2964 * optabs.c (expand_abs, emit_unop_insn): Likewise.
2965 * passes.c (rest_of_handle_final): Likewise.
2966 * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
2967 move2add_note_store): Likewise.
2968 * ra-build.c (detect_remat_webs): Likewise.
2969 * ra-debug.c (dump_static_insn_cost): Likewise.
2970 * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
2971 * recog.c (validate_change, apply_change_group, cancel_changes,
2972 validate_replace_rtx_1, general_operand, register_operand,
2973 nonmemory_operand, push_operand, pop_operand, memory_operand,
2974 indirect_operand, asm_operand_ok, offsettable_memref_p,
2975 offsettable_nonstrict_memref_p, constrain_operands,
2976 store_data_bypass_p): Likewise.
2977 * reg-stack.c (subst_stack_regs_pat): Likewise.
2978 * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
2979 copy_cost, reg_scan_mark_refs): Likewise.
2980 * regmove.c (optimize_reg_copy_3, stack_memref_p,
2981 combine_stack_adjustments_for_block): Likewise.
2982 * regrename.c (copyprop_hardreg_forward_1): Likewise.
2983 * reload.c (can_reload_into, push_reload, decompose, immune_p,
2984 find_reloads, find_reloads_address, find_reloads_address_1,
2985 reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
2986 find_equiv_reg): Likewise.
2987 * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
2988 reload_as_needed, choose_reload_regs, emit_input_reload_insns,
2989 do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
2990 delete_address_reloads): Likewise.
2991 * resource.c (mark_referenced_resources): Likewise.
2992 * rtlanal.c (get_jump_table_offset, count_occurrences,
2993 reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
2994 reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
2995 num_sign_bit_copies1): Likewise.
2996 * rtlhooks.c (gen_lowpart_general): Likewise.
2997 * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
2998 * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
2999 sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
3000 sdbout_global_decl): Likewise.
3001 * simplify-rtx.c (simplify_subreg): Likewise.
3002 * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
3003 expand_anon_union_decl, expand_end_case_type): Likewise.
3004 * unroll.c (calculate_giv_inc): Likewise.
3005 * var-tracking.c (stack_adjust_offset_pre_post,
3006 bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
3007 add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
3008 vt_add_function_parameters): Likewise.
3009 * varasm.c (make_var_volatile, notice_global_symbol,
3010 assemble_external, decode_addr_const, mark_weak,
3011 default_encode_section_info): Likewise.
3013 2004-07-01 Steven Bosscher <stevenb@suse.de>
3015 * stmt.c (check_seenlabel): Remove.
3016 (pushcase, pushcase_range, expand_end_case_type): Don't call it.
3018 2004-07-01 Richard Henderson <rth@redhat.com>
3020 * function.h (struct function): Remove x_function_call_count.
3021 (function_call_count): Remove.
3022 * calls.c (expand_call): Don't set it.
3023 * integrate.c (copy_rtx_and_substitute): Likewise.
3025 * function.h (struct function): Remove x_cleanup_label.
3026 (cleanup_label): Remove.
3027 * stmt.c (expand_value_return): Don't use it.
3028 * function.c (free_after_compilation): Don't set it.
3029 (expand_function_start): Likewise. Remove parms_have_cleanups arg.
3030 * cfgexpand.c (tree_expand_cfg): Update call.
3031 * tree.h (expand_function_start): Update decl.
3033 2004-07-01 Joseph S. Myers <jsm@polyomino.org.uk>
3036 * c-lang.c (c_initialize_diagnostics): Move from here ...
3037 * c-objc-common.c: ... to here. Include "c-pretty-print.h".
3038 (c_tree_printer): Use pretty-printer to format %T.
3039 * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
3040 before '*' if not C++.
3041 (pp_c_direct_abstract_declarator): Don't try to print array upper
3042 bound for flexible array members.
3043 * c-tree.h: Include "diagnostic.h".
3044 (c_initialize_diagnostics): Declare.
3045 * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
3046 * c-format.c (format_type_warning): New function. Improve
3047 diagnostics for incorrect format argument types.
3048 (check_format_types): Use it. Add two parameters. Use the
3049 TYPE_MAIN_VARIANT of wanted_type.
3050 (check_format_info_main): Pass new parameters to
3052 (struct format_wanted_type): Update comment.
3054 2004-07-01 Nick Clifton <nickc@redhat.com>
3056 * target.h (struct gcc_target): Add new field to struct cxx:
3057 import_export_class.
3058 * target-def.h (TARGET_CXX): Initialise the new field.
3059 (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
3061 * doc/tm.texi: Document the new target hook.
3063 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
3065 * builtins.c (fold_builtin_classify): Fix typo.
3067 2004-07-01 Richard Henderson <rth@redhat.com>
3069 * function.c (identify_blocks, identify_blocks_1): Remove.
3070 * function.h (identify_blocks): Remove.
3071 * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
3073 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
3075 * builtins.c (fold_builtin_classify): New.
3076 (fold_builtin_unordered_cmp): Fix commentary.
3077 (fold_builtin): Use it.
3078 * builtins.def: Define builtins for isnan,
3079 isnanf, isnanl, finite, finitef, finitel,
3080 isinf, isinff, isinfl.
3082 2004-07-01 Richard Henderson <rth@redhat.com>
3084 * function.h (struct function): Remove dont_emit_block_notes.
3085 * gimple-low.c (lower_function_body): Don't set it.
3086 * cfgexpand.c (expand_block): Don't check it.
3087 * cfglayout.c (insn_locators_initialize): Likewise.
3088 * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
3089 * passes.c (rest_of_compilation): Likewise.
3090 * stmt.c (expand_start_bindings_and_block): Likewise.
3091 (expand_end_bindings): Likewise.
3093 2004-07-01 Richard Henderson <rth@redhat.com>
3095 * cgraph.h (cgraph_build_static_cdtor): Declare.
3096 * cgraphunit.c (cgraph_build_static_cdtor): New.
3097 * c-objc-common.c (build_cdtor): Use it.
3098 * coverage.c (create_coverage): Likewise.
3099 * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
3100 * optabs.c (init_optabs): Don't set gcov_init_libfunc.
3102 See ChangeLog.11 for earlier changes.
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