* config.gcc: Add sh-*-symbianelf target.
[official-gcc.git] / gcc / ChangeLog
blob1cac842bde386ef588cbdebf9e071b1f4d005b8b
1 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
3         PR tree-optimization/14107
4         * gimplify.c (gimplify_return_expr): Accept a
5         RETURN_EXPR with an error argument.
6         * tree-optimize.c (init_tree_optimization_passes):
7         Run pass_warn_function_return at -O0.
9 2004-07-12  Roger Sayle  <roger@eyesopen.com>
11         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
12         index entry.
14 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
16         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
17         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18         * config/mips/3000.md: Add copyright notice.  Remove automota and
19         function units; use generic ones instead.  Only define reservations
20         for things that are different from generic.md.  Extend each clause
21         to include r3900.
22         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
23         * config/mips/mips.md: Include them. Remove define_function_units.
24         (alu, imuldiv): New automata and units.
26 2004-07-12  Ben Elliston  <bje@au.ibm.com>
28         * doc/invoke.texi (Optimize Options): Document -frename-registers
29         not being enabled by default at -O3.
31 2004-07-11  Roger Sayle  <roger@eyesopen.com>
33         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
34         floating point additions, to keep real immediate constant positive.
35         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
36         into X + C, and leave positive real constants as X - C.
38 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
40         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
42 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
44         PR tree-optimization/15654
45         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
47 2004-07-11  Roger Sayle  <roger@eyesopen.com>
49         * builtins.c (fold_builtin_fputs): Don't bother converting the
50         return type to integer_type_node, as we've already checked that
51         the result will be ignored.
53         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
54         that signed addition, subtraction, multiplication, division,
55         remainder, negation and absolute value may potentially trap.
57         * fold-const.c (fold_ignored_result): New function to strip
58         non-side-effecting tree nodes from an expression whose result
59         is ignored.
60         (fold_convert): Call fold_ignored_result when casting a value
61         to VOID_TYPE.
62         (omit_one_operand):  Call fold_ignored_result on the "omitted"
63         operand when building a COMPOUND_EXPR.
64         (pedantic_omit_one_operand): Likewise.
65         * tree.h (fold_ignored_result): Prototype here.
66         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
67         when we're going to ignore the result.
69 2004-07-11  Richard Henderson  <rth@redhat.com>
71         PR tree-opt/16383
72         * tree-ssa-ccp.c (fold_stmt_r): Split out...
73         * tree.c (fields_compatible_p, find_compatible_field): ... new.
74         * tree.h (fields_compatible_p, find_compatible_field): Declare.
75         * tree-sra.c (sra_hash_tree): Hash fields by offset.
76         (sra_elt_eq): Use fields_compatible_p.
77         (generate_one_element_ref): Use find_compatible_field.
79 2004-07-11  Richard Henderson  <rth@redhat.com>
81         PR tree-opt/16422
82         * tree-sra.c (generate_one_element_init): New.
83         (generate_element_init): Use it.
84         (scalarize_init): Push/pop gimplify context around it.
85         (find_new_referenced_vars_1, find_new_referenced_vars): New.
86         * gimplify.c (gimplify_expr): Allow SSA_NAME.
88 2004-07-11  Roger Sayle  <roger@eyesopen.com>
90         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
91         combine.c's combine_insn_cost.
92         * rtl.h (insn_rtx_cost): Prototype here.
93         * combine.c (combine_insn_cost): Delete function.
94         (combine_validate_cost): Update callers of combine_insn_cost to
95         call insn_rtx_cost instead.
96         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
97         requesting the rtx_cost of call and/or jump instructions.
99         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
100         rtx_cost directly.  Don't request/use the cost of call or jump
101         instructions.  Return -1 if the cost of any instruction can't be
102         determined (or the BB contains a function call).
103         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
104         -1 (i.e. can't determine the cost of any instruction or the basic
105         block contains a subroutine call).
106         (find_if_case_2): Likewise.
108 2004-07-11  Roger Sayle  <roger@eyesopen.com>
110         * rs6000.c (struct processor_costs): Change semantics of fields to
111         include the COST_N_INSNS scaling, and update all initializers.
112         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
113         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
114         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
115         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
117 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
119         * LANGUAGES: Remove obsolete information.
121 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
123         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and 
124         SIGBUS signal frames, the PSW address points *to* the faulting
125         instruction, not after it.
127 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
129         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
130         added to TLS symbol addresses.
132 2004-07-11  Richard Henderson  <rth@redhat.com>
134         * expmed.c (init_expmed): Use stack-local structures for 
135         temporary rtl.  Don't recognize shifts.
137 2004-07-11  Richard Henderson  <rth@redhat.com>
139         * expr.c (store_expr): Don't fiddle subreg promotion for types
140         with precision smaller than the mode.
142 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
144         * tree.h (all_types_permanent): Remove.
146 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
148         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
149         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
150         * langhooks.c (lhd_clear_binding_stack): Remove.
151         * langhooks-def.h (lhd_clear_binding_stack,
152         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
153         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
154         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
155         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
156         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
157         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
158         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
159         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
160         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
161         * tree.h (poplevel): Don't declare.
162         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
163         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
164         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
165         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
166         Remove.
168 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
170         PR tree-optimization/16437
171         * c-common.c (shorten_compare): Don't mark result of conversion to
172         narrower signed type as overflowing.
173         * fold-const.c (decode_field_reference): Determine whether
174         signedness comes from outer type using precision rather than size.
176 2004-07-11  Phil Edwards  <phil@codesourcery.com>
178         * configure.ac:  Alphabetize --enable-checking list, add
179         missing valgrind entry.
180         * configure:  Regenerate.
182 2004-07-11  Phil Edwards  <phil@codesourcery.com>
184         * doc/install.texi (Testing):  Fix syntax in "make check" example.
186 2004-07-10  James E Wilson  <wilson@specifixinc.com>
188         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
190 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
192         PR rtl-optimization/16001
193         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
194         niter_expr.
196 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
198         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
200 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
201             James Morrison  <phython@gcc.gnu.org>
203         * doc/contrib.texi (Contributors): Add gfortran contributors and
204         fix a couple of typos.
206 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
208         PR rtl-optimization/15387
209         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
210         to incoming args space correctly.
212 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
214         * pa.c (output_indirect_call): Only use %r2 as the link register in
215         indirect calls with the long PA 2.0 pc-relative branch.
217 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
219         * config/i386/i386.c (override_options): Pick a 64-bit CPU
220         for the default tuning if TARGET_64BIT.
222 2004-07-10  Richard Henderson  <rth@redhat.com>
224         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
225         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
227 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
229         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
230         * expmed.c (store_bit_field, extract_bit_field): Remove last
231         argument.
232         * builtins.c (expand_builtin_signbit): Adjust callers.
233         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
234         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
235         * ifcvt.c (noce_emit_move_insn): Likewise.
236         * stmt.c (expand_return): Likewise.
237         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
238         store_field, expand_expr_real_1): Likewise.
240 2004-07-10  Richard Henderson  <rth@redhat.com>
242         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
244 2004-07-09  Mike Stump  <mrs@apple.com>
246         * config/darwin.c (no_dead_strip): Add.
247         (HAVE_DEAD_STRIP): Add.
248         (darwin_emit_unwind_label): Ensure that we don't dead code strip
249         the .eh label.
251 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
253         * tree-ssa-loop-im.c: New file.
254         * Makefile.in (tree-ssa-loop-im.o): Add.
255         * cfgloop.c (superloop_at_depth): New function.
256         * cfgloop.h (superloop_at_depth): Declare.
257         * common.opt (ftree-lim): New flag.
258         * expr.c (array_ref_up_bound): New function.
259         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
260         * timevar.def (TV_LIM): New timevar.
261         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
262         computing immediate uses of a phi node.
263         * tree-flow.h (struct tree_ann_common_d): Add aux field.
264         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
265         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
266         * tree-pass.h (pass_lim): Declare.
267         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
268         functions.
269         (pass_lim): New pass structure.
270         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
271         * tree.c (in_array_bounds_p): New function.
272         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
273         (in_array_bounds_p, array_ref_up_bound): Declare.
274         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
275         * doc/passes.texi (tree-ssa-loop-im.c): Document.
277 2004-07-09  Richard Henderson  <rth@redhat.com>
279         * builtins.c (expand_builtin_stpcpy): Don't modify len.
281         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
282         with prejudice.
284 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
286         * flags.h: Delete redundant prototypes that are being generated
287         in options.h from common.opt.
288         * common.opt: Add in the expository comments formerly in flags.h.
290 2004-07-09  Jan Beulich  <jbeulich@novell.com>
292         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
293         available for use only when TARGET_MMX/_SSE is set, and check for
294         variable argument function if any register count is non-zero.
295         (function_arg): Correctly suppress repeated warnings for passing SSE
296         vectors are arguments without SSE enabled.
297         (ix86_function_arg_boundary): Without SSE enabled, the use of what
298         would be SSE register modes does no longer influence the alignment.
300 2004-07-09  Richard Henderson  <rth@redhat.com>
302         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
303         Always align upward to arg boundary.  Use size_in_bytes/round_up.
304         Maintain type-correctness of constants.
305         * stor-layout.c (round_up, round_down): Special-case powers of 2.
307 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
309         * config/sparc/sparc.c (*_costs): Scale instruction costs
310         by COSTS_N_INSNS.
311         (sparc_rtx_costs): Adjust as appropriate.
313 2004-07-09  Jan Beulich  <jbeulich@novell.com>
315         * config/i386/mm3dnow.h: New.
316         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
318 2004-07-09  Richard Henderson  <rth@redhat.com>
320         * simplify-rtx.c (simplify_const_relational_operation): Only
321         look at bounds of scalar integers.
323 2004-07-09  Jan Beulich  <jbeulich@novell.com>
325         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
327 2004-07-09  Andrew Pinski  <apinski@apple.com>
329         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
330         always referenced.
331         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
332         UOBJC_METACLASS_decl.
334 2004-07-09  James E Wilson  <wilson@specifixinc.com>
336         PR target/16364
337         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
338         do return a parallel if hfa_mode == XFmode and mode == TImode.
340 2004-07-09  Jan Beulich  <jbeulich@novell.com>
342         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
343         permissible for unary plus.
345 2004-07-09  Jan Beulich  <jbeulich@novell.com>
347         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
348         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
349         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
350         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
351         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
352         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
353         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
354         (BUILTIN_xxxIMAX): New.
355         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
356         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
357         BUILT_IN_PARITYIMAX.
359 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
361         * config/sparc/sparc.h (processor_costs): Define.
362         (sparc_costs): Declare.
363         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
364         hypersparc_costs, sparclet_costs, ultrasparc_costs,
365         ultrasparc3_costs): New.
366         (sparc_override_options): Set sparc_costs as appropriate.
367         (sparc_rtx_costs): Use sparc_costs instead of messy
368         conditionals.
369         
370 2004-07-09  Steven Bosscher  <stevenb@suse.de>
372         * doc/md.texi (Processor pipeline description): Mention that
373         the old pipeline description is deprecated.
375         * config/rs6000/7450.md (automaton ppc7450): Split up, move
376         mciu_7450 function unit to...
377         (automaton ppc7450mciu): ...new automaton.
379         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
380         (schedule_block): Don't consider inserting bubbles.
381         (sched_init): Don't initialize DFA bubbles.
382         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
383         TARGET_SCHED_DFA_BUBBLE): Remove.
384         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
385         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
386         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
388         * stmt.c (conditional_context): Remove prototype.
389         * tree.h (conditional_context): Remove.
390         * tree-cfg.c (pre_insert_on_edge): Remove.
392         * c-common.h (c_expand_asm_operands): Remove prototype.
393         * c-typeck.c (c_expand_asm_operands): Remove.
395 2004-07-09  Jan Beulich  <jbeulich@novell.com>
397         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
398         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
399         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
400         and V8QI are class SSE. All sufficiently small remaining vector modes
401         must be passed in one or two integer registers.
402         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
403         returned in memory.
404         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
405         __builtin_ia32_pmuludq128 have non-uniform argument and return types
406         and must thus be handled explicitly.
407         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
408         MMX and XMM regs.
409         (movv8qi_internal, movv4hi_internal, movv2si_internal,
410         movv2sf_internal): Permit moving between MMX and XMM registers (since
411         MMX areguments and return values are passed in XMM registers).
412         (sse2_umulsidi3): Correct type and mode.
414 2004-07-09  Richard Henderson  <rth@redhat.com>
416         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
418 2004-07-09  Eric Christopher  <echristo@redhat.com>
420         * config/rs6000/40x.md: Split into two automatons.
422 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
423             Andrew Pinski  <apinski@apple.com>
425         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
426         on when we have more than one input file.
427         (c_common_parse_file): Restore loop over all input files.
428         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
430         * c-decl.c (set_type_context): New function.
431         (pop_scope): Use it to set context of types.  When we
432         encounter a TYPE_DECL, set the context of the attached type too.
433         (pop_file_scope): Don't call cpp_undef_all here.
434         (diagnose_mismatched_decls): Do not complain about a second
435         definition of an 'extern inline' function if it's not in the
436         same translation unit.  Do not complain about inline
437         declaration after use if the use was in a different
438         translation unit.
439         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
440         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
441         the external scope.
442         (pushdecl_top_level): Likewise.
443         (grokdeclarator): Clarify what is going on with setting
444         DECL_EXTERNAL on function types, a little.
445         (c_write_global_declarations): Don't do anything if
446         -fsyntax-only or errors have been encountered.
448 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
450         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
452 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
454         PR target/16459
455         * pa.c (output_indirect_call): Use %r2 as the link register when
456         calling $$dyncall with a pc-relative branch.
458 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
460         * doc/install.texi (Binaries): Mention OpenPKG.
462 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
464         Fix PR tree-optimization/15555
465         * tree-dfa.c (dump_variable): If the variable is a pointer
466         SSA_NAME, also dump its points-to information.
467         * tree-flow.h (struct ptr_info_def): Add field
468         is_dereferenced.
469         (dump_points_to_info_for): Declare.
470         (debug_points_to_info_for): Declare.
471         * tree-optimize.c (init_tree_optimization_passes): Add a
472         second alias analysis pass after DOM2.
473         Move pass_del_pta to a later spot.
474         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
475         create a name tags when we find a dereferenced pointer.  Just
476         mark the pointer dereferenced.
477         (collect_points_to_info_for): Move code to clear points-to
478         information to create_name_tags.
479         (create_name_tags): New function.
480         (compute_flow_sensitive_aliasing): Call it.
481         (setup_pointers_and_addressables): Mark type tags for renaming
482         here instead of ...
483         (create_memory_tag): ... here.
484         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
485         (dump_points_to_info_for): Declare extern.
486         (debug_points_to_info_for): New function.
488 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
490         * config/arc/arc.md: Switch to DFA-based scheduler description.
491         * config/arc/arc.c: Switch to DFA-based scheduler description.
493 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
495         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
496         pointer.
498 2004-07-09  Richard Henderson  <rth@redhat.com>
500         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
501         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
502         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
503         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
505         * config/v850/v850-protos.h (v850_va_arg): Remove.
506         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
507         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
508         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
509         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
510         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
512 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
514         PR target/12133
515         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
516         and DImode to use +/-4k offset.
518 2004-07-09  Richard Henderson  <rth@redhat.com>
520         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
521         Remove.
522         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
523         (xstormy16_gimplify_va_arg_expr): Rewrite from
524         xstormy16_expand_builtin_va_arg.
525         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
527         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
528         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
530         * config/sh/sh-protos.h (sh_va_arg): Remove.
531         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
532         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
533         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
535         * config/pa/pa-protos.h (hppa_va_arg): Remove.
536         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
537         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
538         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
540         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
541         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
542         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
543         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
545 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
547         * config/sparc/sparc.md (return): Rewrite length formula.
548         * config/sparc/sparc.c (output_return): Pass 1 as 5th
549         argument to final_scan_insn when in a delay slot.
550         (output_sibcall): Likewise.
552 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
554         * arm.c (arm_cpp_interwork): New variable.
555         (arm_override_options): Set it if TARGET_INTERWORK was on the command
556         line.
557         * arm.h (arm_cpp_interwork): Declare it.
558         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
559         __THUMB_INTERWORK__ in the preprocessor.
561 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
563         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
565 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
567         PR target/16416
568         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
569         Override default settings to account for -m32 and -m64.
571 2004-07-08  Randolph Chung  <tausq@debian.org>
573         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
575 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
577         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
578         before comparing it as such.
580 2004-07-08  Richard Henderson  <rth@redhat.com>
582         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
583         temporary.  Use bit arithmetic to align.
585 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
587         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
588         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
589         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
590         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
591         add_labels_and_missing_jumps, find_jump_block,
592         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
593         Likewise.
594         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
595         link_btr_uses, move_btr_def): Likewise.
596         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
597         expand_builtin_expect_jump): Likewise.
598         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
599         * calls.c (expand_call, emit_library_call_value_1): Likewise.
600         * cfganal.c (forwarder_block_p): Likewise.
601         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
602         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
603         find_bb_boundaries): Likewise.
604         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
605         merge_blocks_move_predecessor_nojumps,
606         merge_blocks_move_successor_nojumps, insns_match_p,
607         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
608         try_optimize_cfg): Likewise.
609         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
610         * cfglayout.c (skip_insns_after_block, label_for_bb,
611         record_effective_endpoints, insn_locators_initialize,
612         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
613         * cfgmainloop.c (create_loop_notes): Likewise.
614         * cfgrtl.c (delete_insn, delete_insn_chain,
615         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
616         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
617         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
618         redirect_branch_edge, force_nonfallthru_and_redirect,
619         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
620         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
621         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
622         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
623         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
624         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
625         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
626         * combine.c (combine_instructions, can_combine_p, try_combine,
627         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
628         distribute_notes, distribute_links, insn_cuid): Likewise.
629         * cse.c (fold_rtx, cse_insn, cse_around_loop,
630         invalidate_skipped_block, cse_set_around_loop,
631         cse_end_of_basic_block, cse_main, cse_basic_block,
632         cse_condition_code_reg): Likewise.
633         * cselib.c (cselib_process_insn): Likewise.
634         * ddg.c (create_ddg): Likewise.
635         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
636         Likewise.
637         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
638         gen_label_die, dwarf2out_var_location): Likewise.
639         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
640         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
641         last_call_insn, active_insn_p, next_label, prev_label,
642         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
643         add_insn_before, remove_insn, add_function_usage_to,
644         reorder_insns, find_line_note, remove_unnecessary_notes,
645         emit_insn_after_1, classify_insn): Likewise.
646         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
647         connect_post_landing_pads, sjlj_mark_call_sites,
648         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
649         can_throw_internal, can_throw_external, set_nothrow_function_flags,
650         convert_to_eh_region_ranges): Likewise.
651         * explow.c (optimize_save_area_alloca): Likewise.
652         * expr.c (expand_expr_real): Likewise.
653         * final.c (insn_current_reference_address, compute_alignments,
654         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
655         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
656         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
657         propagate_block_delete_insn, propagate_one_insn,
658         init_propagate_block_info, propagate_block, libcall_dead_p,
659         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
660         Likewise.
661         * function.c (instantiate_virtual_regs, reorder_blocks_1,
662         expand_function_start, expand_function_end, contains,
663         thread_prologue_and_epilogue_insns,
664         reposition_prologue_and_epilogue_notes): Likewise.
665         * gcse.c (constprop_register, bypass_conditional_jumps,
666         insert_insn_end_bb, gcse_after_reload): Likewise.
667         * genemit.c (gen_expand, gen_split): Likewise.
668         * genpeep.c (gen_peephole, main): Likewise.
669         * global.c (build_insn_chain): Likewise.
670         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
671         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
672         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
673         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
674         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
675         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
676         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
677         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
678         dead_or_predicable): Likewise.
679         * integrate.c (try_constants): Likewise.
680         * jump.c (rebuild_jump_labels, cleanup_barriers,
681         purge_line_number_notes, init_label_info, mark_all_labels,
682         squeeze_notes, get_label_before, get_label_after,
683         reversed_comparison_code_parts, simplejump_p, pc_set,
684         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
685         delete_barrier, delete_prior_computation, delete_computation,
686         delete_related_insns, delete_for_peephole, redirect_jump):
687         Likewise.
688         * lcm.c (optimize_mode_switching): Likewise.
689         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
690         Likewise.
691         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
692         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
693         * loop-iv.c (simplify_using_assignment): Likewise.
694         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
695         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
696         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
697         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
698         check_insn_for_givs, check_final_value, update_giv_derive,
699         basic_induction_var, product_cheap_p, check_dbra_loop,
700         loop_insn_first_p, last_use_this_basic_block,
701         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
702         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
703         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
704         sms_schedule_by_order): Likewise.
705         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
706         * postreload.c (reload_cse_simplify_operands, reload_combine,
707         reload_cse_move2add): Likewise.
708         * predict.c (can_predict_insn_p, estimate_probability,
709         expected_value_to_br_prob, process_note_predictions): Likewise.
710         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
711         * profile.c (branch_prob): Likewise.
712         * ra-build.c (live_out_1, livethrough_conflicts_bb,
713         detect_webs_set_in_cond_jump): Likewise.
714         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
715         ra_print_rtl_with_bb): Likewise.
716         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
717         * recog.c (next_insn_tests_no_inequality, find_single_use,
718         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
719         * reg-stack.c (next_flags_user, record_label_references,
720         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
721         compensate_edge, convert_regs_1): Likewise.
722         * regclass.c (scan_one_insn): Likewise.
723         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
724         regmove_optimize, fixup_match_1, single_set_for_csa,
725         combine_stack_adjustments_for_block): Likewise.
726         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
727         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
728         find_equiv_reg): Likewise.
729         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
730         reload_as_needed, emit_input_reload_insns, do_output_reload,
731         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
732         Likewise.
733         * reorg.c (find_end_label, emit_delay_sequence,
734         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
735         get_jump_flags, rare_destination, mostly_true_jump,
736         try_merge_delay_insns, redundant_insn, own_thread_p,
737         fill_simple_delay_slots, fill_slots_from_thread,
738         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
739         dbr_schedule): Likewise.
740         * resource.c (find_basic_block, next_insn_no_annul,
741         find_dead_or_set_registers, mark_target_live_regs): Likewise.
742         * rtl.h (RTX_PREV): Likewise.
743         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
744         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
745         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
746         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
747         tablejump_p, computed_jump_p, insns_safe_to_move_p,
748         find_first_parameter_load, can_hoist_insn_p): Likewise.
749         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
750         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
751         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
752         schedule_ebbs): Likewise.
753         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
754         is_conditionally_protected, can_schedule_ready_p,
755         add_branch_dependences, debug_dependencies): Likewise.
756         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
757         Likewise.
758         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
759         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
760         set_dominates_use, ujump_to_loop_cont): Likewise.
761         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
762         * varasm.c (output_constant_pool_1): Likewise.
764 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
766         * tree-scalar-evolution.c: New file.
767         * tree-scalar-evolution.h: New file.
768         * tree-ssa-loop-niter.c: New file.
769         * Makefile.in (SCEV_H): New.
770         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
771         * cfgloop.h (struct loop): Add bounds field.
772         * tree-flow.h (struct tree_niter_desc): New type.
773         (number_of_iterations_cond, number_of_iterations_exit,
774         loop_niter_by_eval, find_loop_niter_by_eval,
775         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
776         free_numbers_of_iterations_estimates): Declare.
777         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
778         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
779         * doc/invoke.texi (max-iterations-to-track): Document.
781 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
783         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
784         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
785         (MODE_AFTER): Add cast appropriately.
786         * config/sh/sh.md (movdi splitter): Likewise.
787         (casesi_worker_2): Add const qualifier appropriately.
788         (eh_return): Remove unused variable.
789         (insv): Initialize v;
791 2004-07-08  Richard Henderson  <rth@redhat.com>
793         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
794         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
795         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
796         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
797         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
799         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
800         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
801         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
802         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
804         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
805         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
806         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
807         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
809         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
810         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
811         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
812         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
814         * config/i860/i860-protos.h (i860_va_arg): Remove.
815         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
816         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
817         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
819 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
821         * system.h: Prototype getpagesize if missing.
822         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
823         * configure: Regenerate.
824         * config.in: Regenerate.
826 2004-07-08  Richard Henderson  <rth@redhat.com>
828         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
829         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
830         (fr30_gimplify_va_arg_expr): New.
831         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
832         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
834 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
836         PR target/16414
837         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
838         of asm_noperands result.
840 2004-07-08  Richard Henderson  <rth@redhat.com>
842         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
843         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
844         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
845         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
847 2004-07-08  Richard Henderson  <rth@redhat.com>
849         * builtins.c (ind_gimplify_va_arg_expr): New.
850         * tree.h (ind_gimplify_va_arg_expr): Declare.
851         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
853 2004-07-08  Jan Beulich  <jbeulich@novell.com>
855         * expmed.c (extract_bit_field): Correct condition to use vec_extract
856         patterns also on vector elements other than the first one.
857         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
858         break statements.
860 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
862         * config/rs6000/darwin-ldouble.c: Correct reference
863         to the Linnainmaa paper.
865 2004-07-08  Richard Henderson  <rth@redhat.com>
867         * config/arc/arc-protos.h (arc_va_arg): Remove.
868         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
869         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
870         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
872         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
873         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
874         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
875         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
877 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
879         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
881 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
883         * c-decl.c (static_ctors, static_dtors): Make static.
884         (pop_file_scope): Call c_common_write_pch and
885         cgraph_finalize_compilation_unit here.
886         (build_cdtor): Moved here from c-objc-common.c; simplify.
887         (c_write_global_declarations_1): Clarify comment.
888         (c_write_global_declarations): Close the external scope before
889         doing anything else.  Call build_cdtor, cgraph_optimize, and
890         mudflap_finish_file here.
891         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
892         Clarify comment.
893         * c-objc-common.c: No need to include cgraph.h.
894         (build_cdtor): Moved to c-decl.c.
895         (c_objc_common_finish_file): Delete.
896         * c-tree.h: Update to match.
897         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
898         (generate_static_references): Set TREE_USED before calling finish_decl.
899         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
900         on the static_instances_decl.
902 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
904         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
905         decls when there is only one input translation unit.
906         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
907         change of 2004-07-05; do not treat declarations with
908         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
909         * opts.c (cur_in_fname): Delete.
910         * opts.h: Likewise.
911         * tree.c: Revert changes of 2004-07-05; no special treatment
912         for TRANSLATION_UNIT_DECLs.
913         * Makefile.in (tree.o): Update dependencies.
915 2004-07-08  Roger Sayle  <roger@eyesopen.com>
917         * builtins.c (fold_builtin_strcpy): Merge functionality from
918         simplify_builtin_strcpy.  Add additional len argument.  No longer
919         static.  Remove function prototype.
920         (fold_builtin_strncpy): Likewise integrate functionality from
921         simplify_builtin_strncpy.  Add additional slen argument.  No
922         longer static.  Remove function prototype.
923         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
924         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
925         types of "ignore" and "unlocked" parameters to bool.
926         (fold_builtin_1):  Add additional ignore argument.  Call renamed
927         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
928         builtins.  Update arguments to fold_builtin_strncpy and
929         fold_builtin_strcpy.  Add function prototype.
930         (fold_builtin): Add additional Boolean ignore argument to pass
931         to fold_builtin_1.
932         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
933         and fold_builtin_strncpy instead of simplify_builtin_fputs,
934         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
936         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
937         simplify_builtin_strncpy): Delete function prototypes.
938         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
939         fold_builtin_strncpy): Add function prototypes here.
940         (fold_builtin): Update function prototype with new "bool ignore".
942         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
943         (ccp_fold_builtin):  Update call to fold_builtin.  Call
944         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
945         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
946         simplify_builtin_strncpy respectively.
947         * fold-const.c (fold): Update call to fold_builtin.
949 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
951         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
952         to strcpy.
954         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
955         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
956         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
957         * calls.c: Remove ifdefs of macros above.
958         * functions.c: Likewise.
959         * expr.c: Likewise.
961 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
963         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
964         (arch attribute): Delete.
965         (current_function_calls_alloca attribute): Rename into calls_alloca.
966         (calls_eh_return): New attribute.
967         (leaf_function): Likewise.
968         (length attribute): Fix formula for sibcalls.
969         (return insn): Correctly compute the 'length' attribute.
970         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
972 2004-07-08  Richard Henderson  <rth@redhat.com>
974         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
975         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
976         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
977         * tree-eh.c (lower_eh_constructs_1): Likewise.
978         * tree-sra.c (sra_walk_modify_expr): Likewise.
979         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
980         (eliminate_unnecessary_stmts): Likewise.
981         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
982         * tree-tailcall.c (optimize_tail_call): Likewise.
983         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
985 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
986             Jakub Jelinek  <jakub@redhat.com>
988         * config/i386/i386.c (override_options): Enable
989         SSE prefetches with -mtune, as long as we are
990         compiling for i686 or higher.  All i686 processors
991         accept SSE prefetches as NOPS, some i586's don't.
993 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
995         PR target/10567
996         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
998 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1000         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1001         the handling of clobbering ASM_EXPRs.
1003 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1005         PR target/16430
1006         * config/sparc/sparc.c (function_value): In 64-bit mode,
1007         return the aggregates larger than 16 bytes like unions.
1009 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1011         PR target/16199
1012         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1013         'temp' is zero, generate new pseudos as needed and emit the
1014         sequence of insns in single-assignment form.  Resync comments
1015         with code.
1016         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1017         function before reload.
1019 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
1021         * vec.c (vec_assert_fail): Remove duplicate 'function'.
1023         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1025         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1026         Allocation is signed.
1027         (VEC_reserve): Return flag, allocation is signed.
1029 2004-07-08  Richard Henderson  <rth@redhat.com>
1031         * tree-ssa-ccp.c (fold_stmt): Get type directly from
1032         OBJ_TYPE_REF_OBJECT.
1034 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1035             Neil Booth  <neil@daikokuya.co.uk>
1037         PR c/2511
1038         PR c/3325
1039         * c-decl.c (finish_struct): Ensure bit-fields are given the
1040         correct type.
1041         * c-common.c (c_common_signed_or_unsigned_type): For C, require
1042         the precision to match as well as the mode.
1043         * expr.c (reduce_to_bit_field_precision): New function.
1044         (expand_expr_real_1): Reduce expressions of bit-field type to
1045         proper precision.
1046         * langhooks.h (reduce_bit_field_operations): New hook.
1047         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1048         Define.
1049         * c-lang.c, objc/objc-lang.c
1050         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1051         * objc/objc-act.c (check_ivars): Convert types to bit-field types
1052         before checking.
1053         * tree.c (build_nonstandard_integer_type): New function.
1054         * tree.h (build_nonstandard_integer_type): New prototype.
1055         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1056         conversions between integer and boolean types as useless.
1058 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1060         * c-common.c (c_common_nodes_and_builtins): Do not
1061         create __builtin_ptrdiff_t and __builtin_size_t.
1063 2004-07-08  Andrew Pinski  <apinski@apple.com>
1065         * Makefile.in (libbackend.o): Add -combine to the gcc
1066         command line.
1068 2004-07-08  Nick Clifton  <nickc@redhat.com>
1070         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1071         Set to -Os.
1073 2004-07-08  Richard Henderson  <rth@redhat.com>
1075         * except.c (expand_eh_region_start, expand_eh_region_end,
1076         expand_eh_handler, expand_eh_region_end_cleanup,
1077         expand_start_all_catch, expand_start_catch, expand_end_catch,
1078         expand_end_all_catch, expand_eh_region_end_allowed,
1079         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1080         expand_eh_region_end_fixup): Remove.
1081         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1082         cleanups, outer_cleanups, label_chain, exception_region.
1083         (struct goto_fixup): Remove stack_level, cleanup_list_list.
1084         (struct label_chain): Remove.
1085         (struct stmt_status): Remove x_stack_block_stack.
1086         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1087         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1088         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1089         end_cleanup_deferral, last_cleanup_this_contour,
1090         containing_blocks_have_cleanups_or_stack_level,
1091         any_pending_cleanups): Remove.
1092         (expand_null_return_1): Take no arguments.
1093         (expand_label, expand_naked_return, expand_return,
1094         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1095         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1096         expand_end_case_type): Don't use any of them.
1097         * calls.c (expand_call): Likewise.
1098         * dojump.c (do_jump): Likewise.
1099         * function.c (expand_function_end): Likewise.
1100         * expr.c (store_expr, expand_expr_real_1): Likewise.
1101         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1102         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1103         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1104         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1105         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1106         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1107         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1108         for WITH_CLEANUP_EXPR.
1109         (gimple_push_cleanup): Likewise.
1110         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1111         * print-tree.c (print_node): Likewise.
1112         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1113         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1114         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1115         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1116         (GOTO_SUBROUTINE_EXPR): Remove.
1117         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1118         (DECL_TOO_LATE): Remove.
1119         * except.h, tree.h: Update decls.
1121 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1123         * explow.c (optimize_save_area_alloca): Do not accept parameters.
1124         * passes.c (rest_of_handle_final): Handle symout.
1125         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1126         Push timevar here.
1127         (rest_of_handle_sched): Break out SMS.  Remove ifs for
1128         flag_schedule_insns and flag_modulo_sched.
1129         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1130         collect at the end.
1131         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1132         (rest_of_handle_partition_blocks, rest_of_handle_sms,
1133         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1134         rest_of_handle_mode_switching, rest_of_handle_jump,
1135         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1136         rest_of_handle_jump2, rest_of_handle_postreload,
1137         rest_of_handle_flow2, rest_of_clean_state,
1138         rest_of_handle_shorten_branches,
1139         rest_of_handle_prologue_epilogue,
1140         rest_of_handle_branch_target_load_optimize): New.
1141         (rest_of_compilation): Call the above.  Remove ggc_collect
1142         calls moved to rest_of_handle_*.
1143         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1145         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1146         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1147         * except.h (set_nothrow_function_flags): Update comment.
1148         * function.c (current_function_nothrow): Remove.
1149         * output.h (current_function_nothrow): Remove.
1150         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1151         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1153 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1155         PR bootstrap/16326
1156         * reorg.c: Revert 2004-06-30 change.
1157         (find_end_label): If HAVE_epilogue and !HAVE_return,
1158         return 0 instead of creating a label at the end of the insn chain.
1159         (optimize_skip): Account for the failure mode of find_end_label.
1160         (fill_simple_delay_slots): Likewise.
1161         (fill_slots_from_thread): Likewise.
1162         (relax_delay_slots): Likewise.
1164 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1166         * tree-flow.h (addressable_vars): Declare.
1167         * tree-ssa-alias.c (addressable_vars): Define.
1168         (setup_pointers_and_addressables): Add addressable variables
1169         to addressable_vars.
1170         * tree-ssa-operands.c (get_stmt_operands): Move
1171         handling of ASM_EXPRs ...
1172         (get_asm_expr_operands): ... here.
1173         When the ASM_EXPR clobbers memory, also clobber addressable
1174         variables.
1175         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
1176         (delete_tree_ssa): Reset addressable_vars.
1178 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1179             Richard Henderson  <rth@redhat.com>
1181         * varasm.c (assemble_variable): Use assemble_zeros for
1182         zero-initialized variables.
1183         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
1184         for SECCAT_BSS and SECCAT_TBSS.
1186 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1188         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
1190         * expmed.c (emit_store_flag): Also special-case double-word
1191         (in-)equality comparison against -1.
1193         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
1194         passing arguments the containers for which are registers.
1196         * calls.c (emit_library_call_value_1): Use mode of function parameter
1197         rather than that of argument since constants have none.
1199 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1201         Introduce H8SX support.
1202         * expr.c (expand_strcpy): Renamed and moved to...
1203         * builtins.c (expand_movstr): ... here.  Tweak.
1204         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
1205         computed or has side effects.
1206         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
1207         unused, or if mempcpy fails.  Adjust the return value in the
1208         latter case.  Use movstr if everything else fails.
1209         * doc/md.texi (movstr): Document.
1210         (movmemM, clrmemM): Fix explanation of memory block operands.
1211         * config/h8300/h8300.md (stpcpy): Renamed to...
1212         (movstr): ... this.  Adjust.
1213         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1214         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
1215         movmem* and clrstr* to clrmem*.
1216         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
1217         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
1218         GENERAL_REGS, always.
1219         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
1220         getting the stack pointer as addr.
1221         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
1222         from general_operand_dst.
1223         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
1224         variant of...
1225         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
1226         instead of requiring it to match only before reload.
1227         (stpcpy_internal_normal): New, normal-mode variant of...
1228         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
1229         `D' instead of requiring it to match only before reload.
1230         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
1231         mode argument.
1232         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
1233         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
1234         h8300_get_index.
1235         * config/h8300/h8300.md (attr type): Add call.
1236         (attr can_delay): If type is call, set it no.
1237         (call, call_value): Set type to call.
1238         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
1239         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
1240         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
1241         * tree.c (get_narrower): Don't narrow integral types into
1242         non-integral types.
1243         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
1244         frame_size *before* the first use.
1245         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
1246         on input.
1247         (peephole2): Don't widen instructions that push SP.  Move
1248         decrement of SP to the end of all stm-generating peepholes.
1249         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1250         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
1251         and OR to set it to all ones.
1252         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1253         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
1254         (call, call_value): Set can_delay to "no".
1255         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
1256         * config/h8300/h8300.md (extzv): Make subreg check more robust.
1257         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1258         * config/h8300/h8300.md (*brabit): Remove.
1259         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
1260         zero_extract.  Use bit_memory_operand as the predicate for
1261         operand 1 and 'WU' as the constraint.  Check the difference
1262         between the base length and the final one when deciding which
1263         type of branch to use.
1264         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1265         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
1266         Use convert_move to extend the result for TARGET_H8300SX.  Check
1267         for QImode memory references.  Optimize the case where the
1268         destination is a paradoxical subreg.
1269         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1270         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
1271         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
1272         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1273         * config/h8300/h8300.md: Include mova.md
1274         (length_table): Add mova and mova_zero.
1275         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
1276         after all constant addresses for '%R', '%X', '%T' and '%S'.
1277         (h8300_mova_length): New function.
1278         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
1279         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
1280         dependencies for s-config, etc.
1281         * config/h8300/gemova.sh: New file.
1282         * config/h8300/mova.md: Generated.
1283         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
1284         * config/h8300/h8300.c (h8300_bitfield_length): New.
1285         (nibble_operand): Adjust.
1286         (h8300_binary_length): Handle conditional binary op.
1287         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
1288         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
1289         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
1290         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
1291         constraints.  WU is introduced as a variant of U that requires a
1292         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
1293         * config/h8300/h8300.md (attr type): Added bitbranch.
1294         (attr length_table): Added bitfield and bitbranch.
1295         (attr length): Compute bitbranch length.
1296         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
1297         least-significant bit of a byte.
1298         (brabit, brabc, brabs): New.
1299         (insv, extzv): Emit bfst and bfld on H8300SX.
1300         (bfld, bfst, seq, sne): New.
1301         (bstzhireg, cmpstz, bstz, bistz): New.
1302         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
1303         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
1304         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
1305         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
1306         (h8sx_unary_memory_operator): New function.
1307         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
1308         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
1309         * config/h8300/h8300.md: Add peepholes to combine reloads and
1310         arithmetic insns.
1311         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1312         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
1313         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
1314         (and?i, ior?i, xor?i): Likewise.
1315         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1316         * config/h8300/h8300.c: Move enums and prototypes to head of file.
1317         Various whitespace fixes.
1318         (h8300_constant_length): New function, split out from...
1319         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
1320         (h8300_classify_operand): Use IN_RANGE.
1321         (h8300_classify_operand): Use h8300_constant_length.
1322         (h8300_short_move_mem_p): Tighten size check.
1323         (h8sx_mergeable_memrefs_p): Tighten equality check.
1324         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
1325         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
1326         for -msx.
1327         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
1328         * config/h8300/crtn.asm: Likewise.
1329         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
1330         if __H8300SX__ is defined.
1331         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
1332         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
1333         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
1334         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
1335         addresses as mode-dependent.
1336         * config/h8300/h8300.c (print_operand_address): Update call to
1337         h8300_get_index.
1338         (h8300_get_index): Take a mode argument.  Rework to fix an
1339         earlier misunderstanding.
1340         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
1341         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
1342         into a register if TARGET_H8300SX.
1343         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
1344         TARGET_H8300SX.  Also disable related define_splits.
1345         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
1346         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
1347         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
1348         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1349         * config/h8300/h8300.h (OK_FOR_Z): New macro.
1350         (EXTRA_CONSTRAINT_STR): Check it.
1351         * config/h8300/h8300.c (h8300_classify_operand): Accept null
1352         class arguments.
1353         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
1354         * config/h8300/h8300.md (length_table): Add mov_imm4.
1355         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
1356         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1357         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
1358         be a label.
1359         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
1360         * config/h8300/h8300.c (h8300_reorg): New function.
1361         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1362         * config/h8300/h8300.md (length): Subtract the length of the
1363         delay slot from (pc) when checking the range of forward branches.
1364         (delay_slot, can_delay): New attributes.
1365         (define_delay): Add bra/s handling.
1366         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
1367         (jump): Add delayed-branch handling.
1368         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
1369         * expr.c (expand_strcpy): New function.
1370         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
1371         (expand_builtin_stpcpy): Likewise.
1372         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
1373         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
1374         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
1375         handling to improve register allocation for -fno-omit-frame-pointer.
1376         (h8sx_split_movmd): Delete, moving er6 handling into...
1377         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
1378         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
1379         (movmd): Add calls to copy_rtx.
1380         (movmd_internal): In the second alternative, allow the initial and
1381         final destination registers to be different .  Update the splitter
1382         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
1383         instead of h8sx_split_movmd.
1384         (stpcpy, movsd): New expanders.
1385         (movsd_internal): New define_insn.
1386         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
1387         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
1388         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
1389         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
1390         and DESTINATION_REGS.
1391         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
1392         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
1393         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
1394         (h8300_move_ratio): Declare.
1395         (MOVE_RATIO): Use it.
1396         * config/h8300/h8300.c (h8300_move_ratio): New variable.
1397         (h8300_init_once): Initialize it.
1398         (h8300_reg_class_from_letter): New function.
1399         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
1400         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
1401         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
1402         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
1403         (movstrsi, movmd): New expanders.
1404         (movmd_internal): New insn.
1405         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
1406         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
1407         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
1408         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
1409         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
1410         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1411         * config/h8300/h8300.c (nibble_operand): Fix warning.
1412         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
1413         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
1414         (movsf_h8300h): Disable for TARGET_H8300SX.
1415         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1416         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
1417         h8300_stm_parallel and h8300_return_parallel.
1418         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
1419         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
1420         h8300_stm_parallel, h8300_return_parallel): New functions.
1421         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
1422         if TARGET_H8300SX.  Use h8300_push_pop.
1423         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
1424         and final pop when generating h8sx code.  Always emit some form
1425         of return insn.
1426         * config/h8300/h8300.md: Don't enforce register alignment in
1427         stm peepholes if TARGET_H8300SX.
1428         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
1429         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
1430         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
1431         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1432         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
1433         (MULTILIB_DIRNAMES): Add a directory for it.
1434         (MULTILIB_MATCHES): Delete.
1435         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1436         * final.c (walk_alter_subreg): Handle addresses with subregs
1437         inside a ZERO_EXTEND or AND.
1438         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
1439         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
1440         if TARGET_H8300SX.
1441         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
1442         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
1443         @(dd,Rn.w) and @(dd,ERn.L).
1444         (h8300_displacement_size): Take the whole address as argument.
1445         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
1446         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1447         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
1448         (h8sx_mergeable_memrefs_p): Declare.
1449         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
1450         (HAVE_PRE_INCREMENT): Likewise.
1451         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
1452         addresses for TARGET_H8300SX,
1453         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
1454         and POST_DEC.
1455         (movb_length_table, movl_length_table): New tables.
1456         (movw_length_table): Define to movb_length_table.
1457         (h8300_displacement_size): New, split out from...
1458         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
1459         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
1460         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
1461         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
1462         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
1463         (compute_plussi_length, compute_plussi_cc): Update accordingly.
1464         (h8sx_unary_shift_operator): Get the mode from the operator.
1465         (binary_shift_operator): Likewise.
1466         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
1467         a memory reference, check whether the reference is offsettable.
1468         (length_table): Add movb, movw and movl.
1469         (movqi): Add new h8sx pattern.  Don't force one operand to be a
1470         register when generating h8sx code.
1471         (movhi, movsi, movsf): Likewise.
1472         (movstrictqi): Use the length_table attribute.
1473         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
1474         (addqi3): Split into a define_expand and define_insn.  Don't accept
1475         memory operands in the expander.  Use h8300_operands_match_p to
1476         check for matching operands in the define_insn.
1477         (subqi3, negqi2, one_cmplqi2): Likewise.
1478         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
1479         in any patterns that are unused in h8sx code.  In the h8sx patterns,
1480         use h8300_operands_match_p to check whether operands match.
1481         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
1482         one_cmpl[hs]i3): Likewise.
1483         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
1484         in the expander.
1485         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
1486         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
1487         (h8300_insn_length_from_table): Add a second parameter.
1488         (output_h8sx_shift): Declare.
1489         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
1490         (EXTRA_CONSTRAINT): Replace with...
1491         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
1492         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
1493         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
1494         and h8sx_binary_shift_operator.
1495         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
1496         for TARGET_H8300SX.
1497         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
1498         (bit_memory_operand, fix_bit_operand): Likewise.
1499         (h8300_length_table_for_insn): Remove.
1500         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
1501         instructions.
1502         (h8300_short_immediate_length, h8300_binary_length): New functions.
1503         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
1504         (output_plussi): Use sub to add negative constants.
1505         (compute_plussi_length): Adjust accordingly.
1506         (h8sx_single_shift_type): New enum.
1507         (h8sx_single_shift, h8sx_unary_shift_operator,
1508         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
1509         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
1510         single h8sx instruction.  Return false in this case.
1511         * config/h8300/h8300.md (length_table): Add short_immediate.
1512         (length): Pass the operand array to h8300_insn_length_from_table.
1513         (adjust_length): Assume "no" for insns with a length_table attribute.
1514         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
1515         (*addhi3_h8300hs): Don't use for h8sx.
1516         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
1517         and sub.w #xx:3.
1518         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
1519         1's predicate to nonimmediate_operand.  Only skip default expansion
1520         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
1521         for single h8sx shift instructions.
1522         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
1523         * config/h8300/h8300.c (nibble_operand): Split out of...
1524         (reg_or_nibble_operand): ... this.
1525         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
1526         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
1527         umulhisi3): Introduce expand, and introduce separate insns for
1528         sign- or zero-extended REG and already-extended CONST_INT.
1529         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
1530         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
1531         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
1532         (subhi3): Likewise.  Don't accept immediates for operand 1.
1533         Remove the early clobber from second alternative of the h8300s pattern.
1534         (subsi3): Generalize for h8sx.  Force operand 2 into a register
1535         on plain h8300 targets.
1536         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
1537         (subsi3_h8300h): Generalize for h8sx.
1538         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
1539         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
1540         * config/h8300/h8300.c (reg_or_nibble_operand): New.
1541         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1542         (TARGET_H8300SXMUL): New.
1543         (CONST_OK_FOR_P): New.
1544         (CONST_OK_FOR_LETTER_P): Adjust.
1545         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
1546         umulhisi3): Accept 4-bit immediate on H8SX.
1547         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
1548         (udivsi3, divhi3, udivsi3, divsi3): New.
1549         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
1550         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
1551         * config/h8300/h8300.h (OK_FOR_Q): New macro.
1552         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
1553         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
1554         Add ADDRESSOF to the bit_operand entry.
1555         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
1556         (h8300_src_operand): Likewise.
1557         (bit_operand): Check nonimmediate_operand rather than general_operand.
1558         Accept any nonimmediate_operand in h8sx code.
1559         (h8300_and_costs): Initialize operands[1].
1560         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
1561         (h8300_operand_class): New enum.
1562         (h8300_length_table): New typedef.
1563         (addb_length_table, addw_length_table, addl_length_table,
1564         logicl_length_table): New tables.
1565         (logicb_length_table, logicw_length_table): New macros.
1566         (h8300_classify_operand, h8300_length_from_table,
1567         h8300_length_table_for_insn, h8300_unary_length,
1568         h8300_insn_length_from_table): New functions.
1569         (output_plussi): Only use adds and subs for register destinations.
1570         Disable redundant clause.
1571         (compute_plussi_cc): Likewise.
1572         (compute_plussi_length): Likewise.  Use h8300_length_from_table
1573         to work out the length of an insn.
1574         (output_logical_op): Only use narrower immediate instructions
1575         if the destination is a register.
1576         (compute_logical_op_cc): Likewise.
1577         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
1578         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
1579         * config/h8300/h8300.md (length_table): New attribute.
1580         (length): When an instruction has a length_table attribute, use
1581         h8300_insn_length_from_table to calculate its default length.
1582         (cmpqi): Use h8300_dst_operand for the first operand and
1583         h8300_src_operand for the second.
1584         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
1585         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
1586         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
1587         iorsi3, xorhi3, xorsi3): Likewise.
1588         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
1589         so that it allows any combination of operands for TARGET_H8300SX.
1590         (iorqi3, xorqi3): Likewise.
1591         (cmpqi): Use the length_table attribute.
1592         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
1593         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1594         (cmpqi): Add 'Q' constraint.
1595         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
1596         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1597         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
1598         * config/h8300/h8300.h (MASK_H8300SX): New macro.
1599         (TARGET_H8300S): True for both -ms and -msx.
1600         (TARGET_H8300SX): New macro.
1601         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
1602         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
1603         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
1604         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
1605         [Temporary change.]
1606         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
1607         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
1608         16-bit pointers and 32-bit ints.
1609         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
1610         CONST_DOUBLE with mode no wider than SImode.
1611         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
1612         output operand.
1613         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
1614         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
1615         or SUBREG thereof.
1616         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1617         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
1618         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
1620 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1622         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
1624 2004-07-07  Per Bothner  <per@bothner.com>
1626         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
1628 2004-07-07  Mike Stump  <mrs@apple.com>
1630         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
1631         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
1632         (machopic_finish): Likewise.
1634 2004-07-07  Richard Henderson  <rth@redhat.com>
1636         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
1637         through any value-preserving cast.
1639 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1641         * function.c (assign_parm_find_data_types): Call
1642         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
1644 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1646         * tree-cfg.c (group_case_labels): Remove case labels that have
1647         the same target as the default case.
1649 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1651         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
1652         regardless of DECL_LANG_SPECIFIC being present or not.
1653         * tree.h (DECL_NUM_STMTS): Purge.
1655 2004-07-07  Andrew Pinski  <apinski@apple.com>
1657         * configure: Regenerate with the right autoconf.
1659 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
1661         * ifcvt.c (total_bb_rtx_cost): New function.
1662         (find_if_case_1): Compare rtx_cost of basic block to cost of
1663         BRANCH_COST insns.
1664         (find_if_case_2): Same.
1666 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1668         PR target/10567
1669         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
1670         (output_return): Likewise.
1671         (output_sibcall): Abort if !flag_delayed_branch.
1672         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
1673         (emit_and_preserve): New function.
1674         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
1675         indirect jump to the thunked-to function if !flag_delayed_branch.
1676         * config/sparc/sparc.md (delayed_branch): New attribute.
1677         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
1678         attribute to compute the length of the insn.
1679         (goto_handler_and_restore): Likewise.
1681 2004-07-07  Andrew Pinski  <apinski@apple.com>
1683         PR tree-optimization/15777
1684         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
1686         * expr.c (expand_expr_real_1): Fix formating.
1687         BUFFER_REF and IN_EXPR are dead.
1688         * fold-const.c (non_lvalue): BUFFER_REF is dead.
1689         * tree-inline.c (estimate_num_insns_1): Likewise.
1690         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
1691         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
1692         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
1694 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
1696         * collect2.c (dump_file): Don't call cplus_demangle if
1697         HAVE_LD_DEMANGLE is defined.
1698         (main): Pass "--demangle" to ld if no_demangle is not 0 and
1699         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
1700         if HAVE_LD_DEMANGLE is defined.
1702         * configure.ac (--with-demangler-in-ld): Added
1703         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
1704         --with-demangler-in-ld is used.
1705         * config.in: Regenerated.
1706         * configure: Likewise.
1708 2004-07-07  Roger Sayle  <roger@eyesopen.com>
1710         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
1711         for simple floating point operations "fp", double precision
1712         multiplication "dmul", and single and double precision division
1713         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
1714         (ppc630_cost): New table split from ppc620_cost, to distinguish
1715         differences in floating point latencies.
1716         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
1717         (rs6000_rtx_costs): Add support for single and double precision
1718         floating point addition, subtraction, multiplication, division,
1719         fused-multiply-add, fused-multiply-sub, negation, absolute value
1720         and negative absolute value.  Tweak MEM case to use prefered idiom.
1722 2004-07-07  Richard Henderson  <rth@redhat.com>
1724         * tree-flow-inline.h (may_propagate_copy): Move...
1725         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
1726         attempt to copy between types requiring conversion.
1727         * tree-flow.h (may_propagate_copy): Update decl.
1728         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
1730 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
1732         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
1733         from -mtune= option.
1735 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1737         * builtins.c: Rename movstr*, except for movstrict*, to
1738         movmem* and clrstr* to clrmem*.
1739         * expr.c: Likewise.
1740         * expr.h: Likewise.
1741         * genopinit.c: Likewise.
1742         * integrate.c: Likewise.
1743         * local-alloc.c: Likewise.
1744         * optabs.c: Likewise.
1745         * optabs.h: Likewise.
1746         * config/alpha/alpha.h: Likewise.
1747         * config/alpha/alpha.md: Likewise.
1748         * config/arm/arm-protos.h: Likewise.
1749         * config/arm/arm.c: Likewise.
1750         * config/arm/arm.md: Likewise.
1751         * config/avr/avr.md: Likewise.
1752         * config/c4x/c4x.c: Likewise.
1753         * config/c4x/c4x.md: Likewise.
1754         * config/frv/frv.md: Likewise.
1755         * config/i386/i386-protos.h: Likewise.
1756         * config/i386/i386.c: Likewise.
1757         * config/i386/i386.h: Likewise.
1758         * config/i386/i386.md: Likewise.
1759         * config/i860/i860.c: Likewise.
1760         * config/i860/i860.md: Likewise.
1761         * config/ip2k/ip2k.md: Likewise.
1762         * config/ip2k/libgcc.S: Likewise.
1763         * config/ip2k/t-ip2k: Likewise.
1764         * config/m32r/m32r.c: Likewise.
1765         * config/m32r/m32r.md: Likewise.
1766         * config/mcore/mcore.md: Likewise.
1767         * config/mips/mips.c: Likewise.
1768         * config/mips/mips.md: Likewise.
1769         * config/ns32k/ns32k.c: Likewise.
1770         * config/ns32k/ns32k.h: Likewise.
1771         * config/ns32k/ns32k.md: Likewise.
1772         * config/pa/pa.c: Likewise.
1773         * config/pa/pa.md: Likewise.
1774         * config/pdp11/pdp11.h: Likewise.
1775         * config/pdp11/pdp11.md: Likewise.
1776         * config/rs6000/rs6000.c: Likewise.
1777         * config/rs6000/rs6000.md: Likewise.
1778         * config/s390/s390-protos.h: Likewise.
1779         * config/s390/s390.c: Likewise.
1780         * config/s390/s390.md: Likewise.
1781         * config/sh/lib1funcs.asm: Likewise.
1782         * config/sh/sh.c: Likewise.
1783         * config/sh/sh.md: Likewise.
1784         * config/sh/t-sh: Likewise.
1785         * config/sparc/sparc.h: Likewise.
1786         * config/vax/vax.md: Likewise.
1787         * config/xtensa/xtensa.c: Likewise.
1788         * config/xtensa/xtensa.md: Likewise.
1789         * doc/invoke.texi: Likewise.
1790         * doc/md.texi: Likewise.
1791         * doc/rtl.texi: Likewise.
1793 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
1795         PR target/16407
1796         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
1797         * config/mips/mips.c (mips_declare_common_object): New function,
1798         mostly split out from...
1799         (mips_output_aligned_decl_common): ...here.
1800         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
1801         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
1802         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
1803         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
1805 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1807         PR c/16392
1808         * function.c (assign_parms): Fix typo from previous change.
1810 2004-07-07  Jason Merrill  <jason@redhat.com>
1812         PR c++/15815
1813         * doc/extend.texi (C++ Interface): Correct information and
1814         discourage use.
1816 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
1818         PR target/16130
1819         PR target/16142
1820         PR target/16143
1821         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
1822         insn.
1824 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1826         PR target/1679.
1827         * config/m32r/m32r.c (m32r_function_symbol): New function:
1828         Generate a symbol name RTX with the correct m32r specific flags
1829         set.
1830         (block_move_call): Use new function to generate correct symbol.
1831         * config/m32r/m32r-protos.h: Add prototype for new funcion.
1832         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
1833         function.
1835 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1837         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
1838         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
1839         TYPE_BINFO_BASETYPE): Remove.
1840         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
1841         to ...
1842         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
1843         here.
1844         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
1845         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
1846         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
1847         (struct tree_binfo): Rename base_types to base_binfos.
1848         * alias.c (record_component_aliases): Adjust BINFO macros.
1849         * dbxout.c (dbxout_type): Likewise.
1850         * dwarf2out.c (gen_member_die): Likewise.
1851         * sdbout.c (sdbout_one_type): Likewise.
1852         * tree-dump.c (deque_and_dump): Likewise.
1853         * config/i386/i386.c (classify_argument,
1854         contains_128bit_aligned_vector_p): Likewise.
1856 2004-07-07  Nick Clifton  <nickc@redhat.com>
1858         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
1859         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
1861 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1863         * vec.h: Fix the example use.
1865 2004-07-06  Richard Henderson  <rth@redhat.com>
1867         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
1868         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
1869         * tree-inline.c (copy_body_r, setup_one_parameter,
1870         initialize_inlined_parameters, expand_call_inline,
1871         declare_inline_vars): Don't check it.
1872         (expand_calls_inline): Remove old version, rename new version
1873         from gimple_expand_calls_inline.
1874         * tree-optimize.c (execute_gimple): Remove.
1875         (pass_gimple): Don't run anything.
1877 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1879         * doc/sourcebuild.texi: Use semicolons instead of commas in
1880         section title.
1882 2004-07-06  Richard Henderson  <rth@redhat.com>
1884         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
1885         (sra_walk_modify_expr, scan_init): Likewise.
1886         (generate_element_zero): Check visited before scanning children.
1887         (generate_element_init): Set visited on error.
1888         (scalarize_init): Handle generate_element_init failure similar
1889         to use_block_copy.
1891 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1893         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
1894         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
1896 2004-07-06  Richard Henderson  <rth@redhat.com>
1898         * config/i386/i386.c (legitimize_pic_address): Make static.
1899         (legitimize_address): Handle CONST with TLS operand.
1900         (ix86_expand_move): Don't call legitimize_pic_address directly.
1901         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
1903 2004-07-06  Roger Sayle  <roger@eyesopen.com>
1905         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
1906         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
1907         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
1908         is currently executed unconditionally, i.e. not in "else_bb".
1910 2004-07-06  Steven Bosscher  <stevenb@suse.de>
1912         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
1913         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1914         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
1915         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1916         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
1917         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1918         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
1919         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1920         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
1921         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1922         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
1923         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1924         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
1925         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1926         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
1927         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1929 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
1931         * dojump.c (do_jump): REFERENCE_EXPR is dead.
1932         * expr.c (expand_expr_real_1): Ditto.
1933         * tree-inline.c (estimate_num_insns_1): Ditto.
1934         * tree-pretty-print.c (dump_generic_node): Ditto.
1935         (op_symbol): Ditto.
1936         * tree.def: Ditto.
1938 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
1940         * tree-ssa-pre.c (reference_node_pool): New pool.
1941         (find_or_generate_expression): Class 'r' is okay too.
1942         (create_value_expr_from): Ditto.
1943         (add_to_sets): LHS should not include vuses.
1944         (eliminate): Ditto.
1945         (compute_avail): Reverse ordering of tests.
1946         Valuize INDIRECT_REF as well.
1948 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
1950         PR rtl-optimization/16380
1951         * loop.c (check_dbra_loop): Sink comparison instructions if they
1952         do something other than set cc0.
1954 2004-07-06  James E Wilson  <wilson@specifixinc.com>
1956         * doc/interface.texi (longjmp and automatic variables): Delete
1957         paragraph recommending taking the address of a variable.
1959 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
1961         * vec.h (VEC_embedded_alloc): Remove.
1962         (VEC_embedded_size, VEC_embedded_init): New.
1963         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
1964         MEM_STAT_INFO.
1965         (VEC_truncate): New.
1966         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
1967         (vec_embedded_alloc): Remove.
1968         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
1969         (vec_embedded_alloc): Remove.
1971 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
1973         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
1974         (gt-langhooks.h): Remove.
1976 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
1978         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
1980 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1982         * config/sparc/sparc.c (get_pc_symbol): Rename into
1983         add_pc_to_pic_symbol.
1984         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
1985         (load_pic_register): Account for previous changes.
1986         Use reg_names.  Don't create the label twice.
1987         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
1988         UNSPEC_LOAD_PCREL_SYM.
1989         (get_pc): Rename into load_pcrel_sym.  Add predicate to
1990         operands.  Remove condition.
1992 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
1994         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
1995         RECORD, UNION & QUAL_UNION is actually a binfo.
1997         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
1998         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
1999         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2000         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2001         * dwarf2out.c (add_data_member_location_attribute): Likewise.
2002         (gen_inheritance_die): Likewise.
2003         * tree-dump.c (deque_and_dump): Likewise.
2004         * doc/c-tree.texi (Binfos): Add under reconstruction note.
2006 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2008         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2009         Define.
2010         * config/mcore/mcore.md: Model memory latency with a simple DFA
2011         pipeline description instead of a define_function_unit.
2013 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2015         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2016         * langhooks.h (var_mod_type_p): Likewise.
2017         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2018         * expr.c (count_type_elements): Properly handle return from
2019         array_type_nelts and properly test for overflow.
2020         * gimplify.c (gimplify_init_constructor): Properly handle return
2021         from array_type_nelts.
2022         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2023         * integrate.c (copy_decl_for_inlining): Correct comments.
2024         * tree-inline.c (remap_decl): Update comments, remove dead code,
2025         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2026         (remap_type): Only remap if variably modified by vars in function
2027         being inlined.
2028         (copy_body_r): Use compatible_type langhooks to see when can fold.
2029         (setup_one_parameter): Don't remap type.
2030         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2031         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2032         compute TREE_INVARIANT for decl case.
2033         (find_var_from_fn): New function.
2034         (variably_modified_type_p): Add arg and call new function.
2035         * tree.h (variably_modified_type_p): Add extra arg.
2037 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2039         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2040         (goto_handler_and_restore_v9): Delete disabled insn.
2041         (goto_handler_and_restore_v9_sp64): Likewise.
2043 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2045         * calls.c (load_register_parameters): Call expand_shift instead
2046         of expand_binop with ashl_optab (or other shift optab) directly.
2047         * expr.c (emit_group_load, emit_group_store): Likewise.
2048         * function.c (assign_parm_setup_block): Likewise.
2049         * stmt.c (shift_return_value): Likewise.
2051 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
2053         * expr.c (expand_assignment): Disable the bitfield += optimizations.
2055 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2057         * doc/sourcebuild.texi: Revert previous patch.
2059 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2061         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2062         TARGET_MEM_FUNCTIONS.
2063         * system.h: Poison TARGET_MEM_FUNCTIONS.
2064         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2065         bcmp_libfunc, bzero_libfunc): Remove.
2066         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2067         bzero_libfunc.
2068         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2069         * doc/standards.texi: Don't mention calling BSD string functions.
2070         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
2071         * config/vax/t-memfuncs: New.
2072         * config/memcmp.c, config/memcpy.c, config/memmove.c,
2073         config/memset.c: New.
2074         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2075         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2076         vax/t-memfuncs.
2077         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2078         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2079         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2080         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2081         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2082         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2083         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2084         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2085         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2086         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2088 2004-07-05  Richard Henderson  <rth@redhat.com>
2090         * function.c (assign_parm_setup_reg): Properly rename variables in
2091         FUNCTION_ARG_CALLEE_COPIES section.
2093 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2095         * tree-mudflap.c: Include cgraph.h.
2096         (mf_init_extern_trees): Rename to mudflap_init.  Export.
2097         Rewrite to create synthetic declarations instead of looking
2098         up declarations from mf-runtime.h.
2099         (mf_make_builtin, mf_make_cache_struct_type): New functions.
2100         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2101         Correct commentary.
2102         (execute_mudflap_function_decls, mudflap_register_call):
2103         Don't call mf_init_extern_trees.
2104         (mudflap_finish_file): Use cgraph_build_static_cdtor.
2106         * tree-mudflap.h: Update prototypes.
2107         * c-mudflap.c: Delete file.
2108         * c-common.c: Include tree-mudflap.h.
2109         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2110         * Makefile.in: Remove all references to c-mudflap.o.
2111         Update dependencies.
2113 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2115         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2116         displacements with the spatial-locality cache-control completer.
2118 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2120         * langhooks.c: Don't include gt-langhooks.h.
2121         (var_labelno): Delete.
2122         (lhd_set_decl_assembler_name): Do not append a distinguishing
2123         number to file-scope internal-linkage declarations for the first
2124         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
2125         the declaration itself (if at block scope), or its containing
2126         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2127         number.
2129         * opts.c (cur_in_fname): New global.
2130         * opts.h: Declare it.
2131         * tree.c: Include opts.h.
2132         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2133         DECL_UID equal to cur_in_fname.
2134         (copy_node_stat): Do not change DECL_UID when copying a
2135         TRANSLATION_UNIT_DECL.
2136         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2137         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2139         * c-decl.c (c_static_assembler_name): Delete.
2140         * c-tree.h (c_static_assembler_name): Delete prototype.
2141         * c-lang.c, objc/objc-lang.c: Don't override
2142         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2144         * Makefile.in (tree.o): Update dependencies.
2145         (GTFILES): Remove langhooks.c.
2147 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2149         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2150         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2151         Normalize "X % C" as "X % -C" for signed modulus and negative C.
2152         Optimize "X % -Y" as "X % Y" for signed modulus.
2153         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2154         into "((unsigned) X % Y) == 0".
2156 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2158         * sourcebuild.texi (Config Fragments): Use @comma{} in
2159         cross-reference to section title.
2161 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2163         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
2164         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
2165         (gimplify_target_expr, gimplify_expr): Likewise.
2166         (copy_if_shared_r): No longer need special case for BIND_EXPR.
2167         (unshare_body, unvisit_body): Only look at nested if BODY_P is
2168         whole function.
2169         (gimplify_compound_lval): See if we can strip any useless conversion.
2170         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
2171         from RHS, not LHS.
2172         (gimplify_modify_expr_to_memset): Likewise.
2173         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
2174         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
2175         (declare_inline_vars): Likewise.
2176         (walk_type_fields): New function.
2177         (walk_tree): Use it.
2178         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
2180         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
2181         (sra_walk_modify_expr): Allow init function to fail.
2182         (scan_init): Now returns bool.
2183         (generate_element_init): If can't understand INIT, return false.
2184         (scalarize_init): Return false if generate_element_init does.
2186         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
2187         print bounds.
2189         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
2190         bounds if bounds aren't constant.
2192         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
2194         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
2195         to type hooks; remove bogus PARAMS.
2197 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
2199         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
2200         * dwarf2out.c (add_data_member_location_attribute): Check for
2201         TREE_BINFO.
2202         * tree.c (tree_node_kinds): Add "binfos".
2203         (binfo_lang_slots): New.
2204         (make_node_stat): Add TREE_BINFO.
2205         (make_tree_binfo_stat): New.
2206         (tree_node_structure): Add TREE_BINFO.
2207         * tree.def (TREE_BINFO): New.
2208         * tree.h (REC_OR_UNION_CHECK): Rename to ...
2209         (RECORD_OR_UNION_CHECK): ... here.
2210         (NOT_RECORD_OR_UNION_CHECK): New.
2211         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
2212         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
2213         RECORD_OR_UNION_CHECK.
2214         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
2215         (TYPE_LANG_SLOT_1): New.
2216         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
2217         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
2218         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
2219         (BINFO_ELTS): Remove.
2220         (BINFO_LANG_SLOT): New.
2221         (struct tree_binfo): New.
2222         (binfo_lang_slots): Declare.
2223         (enum tree_node_structure_enum): Add TS_BINFO.
2224         (union tree_node): Add binfo.
2225         (make_tree_binfo_stat): Declare.
2226         (make_tree_binfo): New.
2227         (enum tree_node_kind): Add binfo_kind.
2229         * objc/objc-act.c (start_class, objc_declare_protocols,
2230         start_protocols): Use TYPE_LANG_SLOT_1.
2231         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
2232         to ...
2233         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
2234         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
2235         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
2236         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
2238 2004-07-05  Steven Bosscher  <stevenb@suse.de>
2240         * rtl.h (struct rtx_def): Remove the integrated flag.
2241         Use the return_val flag for MEM_SCALAR_P.
2242         Reshuffle and update flags in CLEAR_RTX_FLAGS.
2244 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
2246         PR target/16357
2247         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
2248         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
2249         move_by_pieces.
2251 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
2253         * var-tracking.c: Fix some comments.
2254         (frame_stack_adjust): New.
2255         (vt_stack_adjustments): Init stack_adjust of entry block to
2256         minus stack adjustment of function prologue.
2257         (adjust_stack_reference): Do not adjust if adjustment == 0.
2258         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
2259         (emit_notes_in_bb): Likewise.
2260         (vt_add_function_parameters): Do not adjust locations of
2261         function arguments.
2262         (vt_initialize): Compute the stack adjustment of function
2263         prologue and offset the initial "location" of frame_base_decl
2264         from the stack pointer after prologue.
2266 2004-07-04  Richard Henderson  <rth@redhat.com>
2268         * function.c (struct assign_parm_data_all): New.
2269         (struct assign_parm_data_one): New.
2270         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
2271         assign_parm_find_data_types, assign_parms_setup_varargs,
2272         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
2273         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
2274         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
2275         assign_parm_setup_block, assign_parm_setup_reg,
2276         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
2277         (assign_parms): ... here.
2279 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
2281         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
2282         now are bitmap_set_t's.
2283         (bitmap_insert_into_set): No point in inserting the value if
2284         it's invariant.
2285         (bitmap_set_contains): New function.
2286         (bitmap_set_replace_value): Add comment on why we do it
2287         this way.
2288         (set_contains): Removed.
2289         (bitmap_set_subtract_from_value_set): New name of
2290         set_subtract now that it's arguments are two different
2291         types of sets.
2292         Update callers.
2293         (bitmap_find_leader): Change algorithm used.
2294         (find_or_generate_expression): Update use of functions for new
2295         bitmap sets.
2296         (create_expression_by_pieces): Ditto.
2297         (insert_aux): Ditto.
2298         (insert): Ditto.
2299         (add_to_sets): Ditto.
2300         (init_pre): Ditto.
2301         (execute_pre): Ditto.
2302         (compute_avail): Ditto.
2303         Also ignore virtual phis.
2305 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2307         * combine.c (simplify_comparison): Fix comment typo.
2309 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2311         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
2312         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
2313         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
2314         (output_restore): Change parameter from 'insn' to 'pat'.
2315         (output_return): Adjust call to output_restore.
2316         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
2317         Adjust call to output_restore.
2319 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2321         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
2322         and assert system is bsd.
2324 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2326         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
2327         (TARGET_SWITCHES): Remove -mdebugc.
2328         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2329         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
2330         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
2331         (sle_[sd]i_reg): Delete.
2333 2004-07-04  Steven Bosscher  <stevenb@suse.de>
2335         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2336         Define.
2337         * config/iq2000/iq2000.md: Translate old pipeline description to an
2338         equivalent new one.
2340 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2342         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
2343         Ensure the replacement rhs is valid gimple before performing
2344         the substitution.  Return false if these sanity checks fail.
2345         (fold_stmt): Only set changed to true, if set_rhs returns true.
2346         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
2347         succeeds.
2349 2004-07-04  Richard Henderson  <rth@redhat.com>
2351         PR c/16348
2352         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
2354 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
2356         * configure.ac (ranlib_flags): New variable.
2357         * Makefile.in (RANLIB_FLAGS): New variable.
2358         (libbackend.a): Use it.
2359         * configure: Regenerated.
2361 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2363         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
2364         a "sign mask" instead of using ashr_optab directly.
2366 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2368         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
2369         * doc/cppopts.texi: Clarify processing of command-line defines.
2371 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
2373         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
2375 2004-07-04  Richard Henderson  <rth@redhat.com>
2377         * rtl.def (ADDRESSOF): Remove.
2378         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
2379         (find_base_term, memrefs_conflict_p): Likewise.
2380         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
2381         (fold_rtx, cse_insn, set_live_p): Likewise.
2382         * dwarf2out.c (mem_loc_descriptor): Likewise.
2383         (add_location_or_const_value_attribute): Likewise.
2384         * emit-rtl.c (copy_insn_1): Likewise.
2385         * explow.c (memory_address): Likewise.
2386         * expmed.c (store_split_bit_field): Likewise.
2387         * expr.c (expand_expr_real_1): Likewise.
2388         * function.c (instantiate_decl
2389         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
2390         * genrecog.c (preds, validate_pattern): Likewise.
2391         * integrate.c (copy_rtx_and_substitute): Likewise.
2392         * recog.c (general_operand, register_operand): Likewise.
2393         (memory_address_p): Likwise.
2394         * reload1.c (eliminate_regs, elimination_effects): Likewise.
2395         * rtl.c (copy_rtx): Likewise.
2396         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2397         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
2398         * rtlhooks.c (gen_lowpart_general): Likewise.
2399         * stmt.c (expand_asm_operands): Likewise.
2400         * web.c (entry_register, replace_ref, web_main): Likewise.
2401         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
2402         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2403         * config/arm/arm.c (thumb_rtx_costs): Likewise.
2404         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
2405         * config/frv/frv.c (move_destination_operand, move_source_operand,
2406         condexec_dest_operand, condexec_source_operand,
2407         condexec_memory_operand): Likewise.
2408         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
2409         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
2410         (destination_xfmode_operand): Likewise.
2411         * config/mips/mips.h (PREDICATE_CODES): Likewise.
2412         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
2413         * config/s390/s390.c (general_s_operand): Likewise.
2414         * config/s390/s390.md (mov*): Likewise.
2415         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
2417         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
2418         * expr.c (expand_expr_real_1): Likewise.
2419         * stmt.c (expand_decl): Likewise.
2420         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2422         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
2423         postponed_insns, put_var_into_stack, put_reg_into_stack,
2424         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
2425         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
2426         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
2427         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
2428         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
2429         purge_bitfield_addressof_replacements, purge_addressof_replacements,
2430         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
2431         struct insns_for_mem_walk_info, insns_for_mem_walk,
2432         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
2433         setjmp_protect_args): Remove.
2434         (push_function_context_to): Don't handle var_refs_queue.
2435         (pop_function_context_from, free_after_compilation): Likewise.
2436         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
2437         (assign_parms, allocate_struct_function): Likewise.
2438         (use_register_for_decl): New.
2439         (expand_function_end): Don't setjmp_protect.
2440         * function.h (struct emit_status): Update commentary.
2441         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
2442         (max_parm_reg, parm_reg_stack_loc): Remove.
2443         * passes.c (DFI_addressof): Remove.
2444         (dump_file_info): Remove addressof.
2445         (rest_of_handle_addressof): Remove.
2446         (rest_of_compilation): Don't call it.
2447         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
2448         * stmt.c (expand_decl): Use use_register_for_decl.
2449         * tree.h: Update decls.
2450         * web.c (mark_addressof): Remove.
2451         * doc/invoke.texi (-dF): Remove.
2453 2004-07-03  Richard Henderson  <rth@redhat.com>
2455         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
2456         instead of gen_mem_addressof.
2457         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
2458         TImode output register.
2460 2004-07-03  Richard Henderson  <rth@redhat.com>
2462         PR tree-optimization/16341
2463         * tree-sra.c (sra_walk_function): Increment to next stmt before
2464         processing the current stmt.
2465         (sra_insert_after): Always use BSI_SAME_STMT.
2467 2004-07-03  Richard Henderson  <rth@redhat.com>
2469         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
2470         fp plus with minus.
2472 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2474         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
2475         with tree_int_cst_equal.
2477 2004-07-03  Andreas Schwab  <schwab@suse.de>
2479         * config/ia64/ia64.md: Define new attribute "empty".
2480         (prologue_use, nop_x, insn_group_barrier): Set it.
2482         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
2483         skip over "empty" insns.
2485 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2487         * tree-inline.c (initialize_inlined_parameters): Pass proper function
2488         context to gimplify_body.
2489         (walk_tree): Don't walk into types twice.
2490         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
2492         * tree-sra.c (generate_element_init): Remove any useless conversions.
2494         * gimplify.c (gimplify_conversion): Remove stripping useless
2495         conversions from here.
2496         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
2497         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
2498         Unshare before substituting PLACEHOLDER_EXPR.
2499         (gimplify_modify_expr_to_memset): Likewise.
2500         Pass address of TO to memset, not TO itself.
2501         (gimplify_init_constructor): Make copy of OBJECT so we have it each
2502         time we make an expression (to match a PLACEHOLDER_EXPR).
2504         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
2505         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
2506         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
2507         * tree-ssa-dom.c (local_fold): Likewise.
2509         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
2510         * langhooks.h (strct lang_hooks): New field type_max_size.
2511         * function.c (assign_temp): Call it.
2513 2004-07-03  Steven Bosscher  <stevenb@suse.de>
2515         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
2516         * config/sh/sh.md: Convert the SH1 pipeline description to
2517         a DFA model.
2519 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
2521         * c-decl.c (struct c_binding): Remove contour field; add
2522         depth, invisible, nested fields.
2523         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
2524         (B_IN_EXTERNAL_SCOPE): New convenience macros.
2525         (bind): Add invisible and nested arguments. Initialize
2526         new fields of struct c_binding; adjust loop scanning for
2527         insertion point.
2528         (free_binding_and_advance): Clear structure with memset.
2529         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
2530         in file scope, even if it's in external scope too.
2531         (pushdecl): Adjust to match.  Create invisible file-scope
2532         declarations for block-scope forward declarations of static functions.
2533         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
2534         (undeclared_variable, lookup_label, declare_label, define_label)
2535         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
2536         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
2537         (store_parm_decls_oldstyle): Adjust to match.
2538         (diagnose_mismatched_decls): Correct handling of linkage clashes.
2539         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
2541         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
2542         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
2544 2004-07-02  Richard Henderson  <rth@redhat.com>
2546         * c-decl.c (grokdeclarator): Don't frob current_function_decl
2547         around variable_size.
2548         (set_decl_nonlocal): Remove.
2549         (store_parm_decls): Add stmts for pending sizes.
2550         * calls.c (calls_function, calls_function_1): Remove.
2551         (precompute_arguments): Don't call it.
2552         * cfgexpand.c (set_save_expr_context): Remove.
2553         (tree_expand_cfg): Don't call it.
2554         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
2555         (dwarf2out_finish): Likewise.
2556         * expr.c (emit_block_move): Adjust addresses to BLKmode.
2557         (store_constructor): Don't pre-evaluate SAVE_EXPR.
2558         (safe_from_p): Don't queue SAVE_EXPRs.
2559         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
2560         or build plain VAR_DECLs.
2561         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
2562         (fold): Likewise.
2563         (fold_checksum_tree): Don't special-case SAVE_EXPR.
2564         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
2565         (put_var_into_stack): Don't handle SAVE_EXPR.
2566         (gen_mem_addressof): Likewise.
2567         * function.h (struct function): Remove x_save_expr_regs.
2568         (save_expr_regs): Remove.
2569         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
2570         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
2571         * stor-layout.c (variable_size): Don't set it.
2572         (force_type_save_exprs, force_type_save_exprs_1): Remove.
2573         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
2574         all callers.  Don't set SAVE_EXPR_CONTEXT.
2575         * tree-inline.h (remap_save_expr): Update decl.
2576         * tree.c (save_expr): Update build size.
2577         (first_rtl_op): Don't handle SAVE_EXPR.
2578         (unsave_expr_1, contains_placeholder_p): Likewise.
2579         (decl_function_context): Likewise.
2580         * tree.def (SAVE_EXPR): Remove args 1 and 2.
2581         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
2582         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
2584 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2586         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
2587         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
2588         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
2589         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
2590         some first-person references and patronizing comments.  Based on
2591         printed manual.
2592         * doc/invoke.texi: Don't reference fortran@gnu.org.
2593         * doc/trouble.texi (Warning when a non-void function value is
2594         ignored): Rewrite.  From Russ Allbery and Chris Devers.
2596 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
2598         * tree-ssa-pre.c (bitmap_set_t): New.
2599         (bb_value_sets): avail_out is now a bitmap_set_t.
2600         (bitmap_find_leader): New function.
2601         (bitmap_value_insert_into_set): Ditto.
2602         (bitmap_set_copy): Ditto.
2603         (bitmap_value_replace_in_set): Ditto.
2604         (bitmap_set_contains_value): Ditto.
2605         (bitmap_set_new): Ditto.
2606         (bitmap_set_pool): New pool.
2607         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
2608         (insert_aux): Ditto.
2609         (add_to_sets): Ditto.
2610         (compute_avail): Ditto
2611         (eliminate): Ditto.
2612         (init_pre): Ditto.
2613         (fini_pre): Ditto.
2614         (execute_pre): Ditto.
2616 2004-07-02  Roger Sayle  <roger@eyesopen.com>
2618         * config/rs6000/rs6000.c (struct processor_costs): New structure
2619         used to hold instruction latencies/sizes for processor types.
2620         (rs6000_cost): New global variable pointing to current CPU's costs.
2621         (rs6000_override_options): Initialize rs6000_cost to point to the
2622         appropriate cost table based upon rs6000_cpu and optimize_size.
2623         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
2624         timings inline.
2626 2004-07-02  Richard Henderson  <rth@redhat.com>
2628         * expmed.c (make_tree): Don't use SET_DECL_RTL.
2630 2004-07-02  Steven Bosscher  <stevenb@suse.de>
2632         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
2634 2004-07-01  Richard Henderson  <rth@redhat.com>
2636         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
2637         (alpha_gp_save_rtx): Use assign_stack_local instead of
2638         gen_mem_addressof.
2640 2004-07-01  Richard Henderson  <rth@redhat.com>
2642         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
2643         (alpha_rtx_cost_data): Update to match.
2644         (alpha_rtx_cost_size): New.
2645         (alpha_rtx_costs): Honor optimize_size.
2647 2004-07-01  Richard Henderson  <rth@redhat.com>
2649         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
2650         * cfgexpand.c (tree_expand_cfg): Do it here.
2651         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
2652         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
2653         * config/mips/mips.c (mips_output_mi_thunk): And here.
2654         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
2655         * config/sh/sh.c (sh_output_mi_thunk): And here.
2656         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
2658 2004-07-01  Richard Henderson  <rth@redhat.com>
2660         * tree.def (RTL_EXPR): Remove.
2661         * c-typeck.c (lvalue_p): Don't handle it.
2662         * expr.c (safe_from_p): Likewise.
2663         (expand_expr_real_1): Likewise.
2664         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
2665         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
2666         * gengtype.c (adjust_field_tree_exp): Likewise.
2667         * stmt.c (warn_if_unused_value): Likewise.
2668         * tree-gimple.c (recalculate_side_effects): Likewise.
2669         * tree-pretty-print.c (dump_generic_node): Likewise.
2670         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
2671         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
2672         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
2674         * stmt.c (struct stmt_status): Remove x_last_expr_type,
2675         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
2676         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
2677         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
2678         all the bits that tracked last_expr.
2679         (expand_end_bindings): Don't track last_expr.
2680         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
2681         (clear_last_expr): Remove.
2682         (expand_asm): Don't call it.
2683         (expand_asm_operands, expand_end_cond): Likewise.
2684         (expand_naked_return, expand_null_return_1): Likewise.
2685         * c-typeck.c (c_begin_compound_stmt): Likewise.
2686         * cfgexpand.c (expand_block): Use expand_expr_stmt.
2687         * expr.c (expand_expr_real_1): Likewise.
2688         * tree.h: Update prototypes.
2690         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
2691         (struct emit_status): Remove sequence_rtl_expr.
2692         (struct function): Remove x_rtl_expr_chain.
2693         (seq_rtl_expr, rtl_expr_chain): Remove.
2694         * function.c (struct temp_slot): Remove rtl_expr.
2695         (assign_stack_temp_for_type): Don't set it.
2696         (free_temp_slots, pop_temp_slots): Don't check it.
2697         (free_after_compilation): Don't clear x_rtl_expr_chain.
2698         (fixup_var_refs): Don't search it.
2699         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
2700         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
2701         or seq_rtl_expr.
2702         (push_topmost_sequence): Likewise.
2703         (end_sequence, init_emit): Likewise.
2704         (start_sequence_for_rtl_expr): Remove.
2705         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
2706         * rtl.h (preserve_rtl_expr_result): Remove.
2708 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
2710         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
2711         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
2712         typos.
2714 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2716         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
2717         (STANDARD_STARTFILE_PREFIX_2): Define.
2718         (standard_startfile_prefix_1): Initialize to
2719         STANDARD_STARTFILE_PREFIX_1.
2720         (standard_startfile_prefix_2): Initialize to
2721         STANDARD_STARTFILE_PREFIX_2.
2722         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
2723         (STANDARD_STARTFILE_PREFIX_1): Define.
2724         (STANDARD_STARTFILE_PREFIX_2): Define.
2725         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
2726         (STANDARD_STARTFILE_PREFIX_2): Document.
2728 2004-07-01  Richard Henderson  <rth@redhat.com>
2730         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
2731         in order to disable scalarization.  Instead set a flag and wait
2732         for a candidate decl.
2734 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2736         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
2737         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
2738         Use terminology "testsuite" and "enumerated".
2740 2004-07-01  Richard Henderson  <rth@redhat.com>
2742         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
2743         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
2744         (initial_return_save): Likewise.
2745         (flush_queued_reg_saves): Remap register numbers.
2746         (dwarf2out_return_reg): Likewise.
2748 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2750         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
2752         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
2753         access functions for lower bound and element size and only output
2754         if lower bound nonzero or element size not same as that of type.
2755         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
2757 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2759         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
2761 2004-07-01  Per Bothner  <per@bothner.com>
2763         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
2765 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
2767         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
2768         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
2769         first operand.  Don't optimize if the bitfield is volatile.
2771 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2773         * c-pretty-print.c (pp_c_postfix_expression): Handle
2774         floating-point comparison operators.
2775         (pp_c_expression): Pass floating-point comparison
2776         operators to pp_c_postfix_expression.
2778 2004-07-01  Roger Sayle  <roger@eyesopen.com>
2780         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
2781         rtx_cost instead of "had_mult" to determine whether the transformed
2782         expression is cheaper than the original.
2784 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
2786         * alias.c (get_alias_set, canon_rtx, get_addr,
2787         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
2788         Use MEM_P.
2789         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
2790         expand_builtin): Likewise.
2791         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
2792         Likewise.
2793         * combine.c (can_combine_p, combinable_i3pat, try_combine,
2794         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
2795         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
2796         record_dead_and_set_regs_1, get_last_value_validate,
2797         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
2798         * cse.c (check_dependence, canon_hash, equiv_constant,
2799         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
2800         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
2801         count_reg_usage): Likewise.
2802         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
2803         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
2804         cselib_record_sets): Likewise.
2805         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
2806         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
2807         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
2808         * df.c (df_uses_record): Likewise.
2809         * dojump (do_jump): Likewise.
2810         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
2811         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
2812         decl_start_label): Likewise.
2813         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
2814         operand_subword, change_address_1, make_safe_from): Likewise.
2815         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
2816         stabilize, force_not_mem): Likewise.
2817         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
2818         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
2819         * expr.c (convert_move, convert_modes, emit_block_move,
2820         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
2821         emit_move_insn_1, expand_assignment, store_expr,
2822         store_constructor_field, store_constructor, store_field,
2823         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
2824         Likewise.
2825         * final.c (cleanup_subreg_operands, alter_subreg,
2826         get_mem_expr_from_op): Likewise.
2827         * flow.c (notice_stack_pointer_modification_1,
2828         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
2829         Likewise.
2830         * function.c (mark_temp_addr_taken, preserve_temp_slots,
2831         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
2832         optimize_bit_field, flush_addressof, purge_addressof_1,
2833         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
2834         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
2835         keep_stack_depressed): Likewise.
2836         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
2837         noce_process_if_block, find_memory): Likewise.
2838         * integrate.c (subst_constants, allocate_initial_values): Likewise.
2839         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
2840         update_equiv_regs): Likewise.
2841         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
2842         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
2843         * optabs.c (expand_abs, emit_unop_insn): Likewise.
2844         * passes.c (rest_of_handle_final): Likewise.
2845         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
2846         move2add_note_store): Likewise.
2847         * ra-build.c (detect_remat_webs): Likewise.
2848         * ra-debug.c (dump_static_insn_cost): Likewise.
2849         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
2850         * recog.c (validate_change, apply_change_group, cancel_changes,
2851         validate_replace_rtx_1, general_operand, register_operand,
2852         nonmemory_operand, push_operand, pop_operand, memory_operand,
2853         indirect_operand, asm_operand_ok, offsettable_memref_p,
2854         offsettable_nonstrict_memref_p, constrain_operands,
2855         store_data_bypass_p): Likewise.
2856         * reg-stack.c (subst_stack_regs_pat): Likewise.
2857         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
2858         copy_cost, reg_scan_mark_refs): Likewise.
2859         * regmove.c (optimize_reg_copy_3, stack_memref_p,
2860         combine_stack_adjustments_for_block): Likewise.
2861         * regrename.c (copyprop_hardreg_forward_1): Likewise.
2862         * reload.c (can_reload_into, push_reload, decompose, immune_p,
2863         find_reloads, find_reloads_address, find_reloads_address_1,
2864         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
2865         find_equiv_reg): Likewise.
2866         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
2867         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
2868         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
2869         delete_address_reloads): Likewise.
2870         * resource.c (mark_referenced_resources): Likewise.
2871         * rtlanal.c (get_jump_table_offset, count_occurrences,
2872         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
2873         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
2874         num_sign_bit_copies1): Likewise.
2875         * rtlhooks.c (gen_lowpart_general): Likewise.
2876         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
2877         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
2878         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
2879         sdbout_global_decl): Likewise.
2880         * simplify-rtx.c (simplify_subreg): Likewise.
2881         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
2882         expand_anon_union_decl, expand_end_case_type): Likewise.
2883         * unroll.c (calculate_giv_inc): Likewise.
2884         * var-tracking.c (stack_adjust_offset_pre_post,
2885         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
2886         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
2887         vt_add_function_parameters): Likewise.
2888         * varasm.c (make_var_volatile, notice_global_symbol,
2889         assemble_external, decode_addr_const, mark_weak,
2890         default_encode_section_info): Likewise.
2892 2004-07-01  Steven Bosscher  <stevenb@suse.de>
2894         * stmt.c (check_seenlabel): Remove.
2895         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
2897 2004-07-01  Richard Henderson  <rth@redhat.com>
2899         * function.h (struct function): Remove x_function_call_count.
2900         (function_call_count): Remove.
2901         * calls.c (expand_call): Don't set it.
2902         * integrate.c (copy_rtx_and_substitute): Likewise.
2904         * function.h (struct function): Remove x_cleanup_label.
2905         (cleanup_label): Remove.
2906         * stmt.c (expand_value_return): Don't use it.
2907         * function.c (free_after_compilation): Don't set it.
2908         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
2909         * cfgexpand.c (tree_expand_cfg): Update call.
2910         * tree.h (expand_function_start): Update decl.
2912 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2914         PR c/1027
2915         * c-lang.c (c_initialize_diagnostics): Move from here ...
2916         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
2917         (c_tree_printer): Use pretty-printer to format %T.
2918         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
2919         before '*' if not C++.
2920         (pp_c_direct_abstract_declarator): Don't try to print array upper
2921         bound for flexible array members.
2922         * c-tree.h: Include "diagnostic.h".
2923         (c_initialize_diagnostics): Declare.
2924         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
2925         * c-format.c (format_type_warning): New function.  Improve
2926         diagnostics for incorrect format argument types.
2927         (check_format_types): Use it.  Add two parameters.  Use the
2928         TYPE_MAIN_VARIANT of wanted_type.
2929         (check_format_info_main): Pass new parameters to
2930         check_format_types.
2931         (struct format_wanted_type): Update comment.
2933 2004-07-01  Nick Clifton  <nickc@redhat.com>
2935         * target.h (struct gcc_target): Add new field to struct cxx:
2936         import_export_class.
2937         * target-def.h (TARGET_CXX): Initialise the new field.
2938         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
2939         the new field.
2940         * doc/tm.texi: Document the new target hook.
2942 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2944         * builtins.c (fold_builtin_classify): Fix typo.
2946 2004-07-01  Richard Henderson  <rth@redhat.com>
2948         * function.c (identify_blocks, identify_blocks_1): Remove.
2949         * function.h (identify_blocks): Remove.
2950         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
2952 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2954         * builtins.c (fold_builtin_classify): New.
2955         (fold_builtin_unordered_cmp): Fix commentary.
2956         (fold_builtin): Use it.
2957         * builtins.def: Define builtins for isnan,
2958         isnanf, isnanl, finite, finitef, finitel,
2959         isinf, isinff, isinfl.
2961 2004-07-01  Richard Henderson  <rth@redhat.com>
2963         * function.h (struct function): Remove dont_emit_block_notes.
2964         * gimple-low.c (lower_function_body): Don't set it.
2965         * cfgexpand.c (expand_block): Don't check it.
2966         * cfglayout.c (insn_locators_initialize): Likewise.
2967         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
2968         * passes.c (rest_of_compilation): Likewise.
2969         * stmt.c (expand_start_bindings_and_block): Likewise.
2970         (expand_end_bindings): Likewise.
2972 2004-07-01  Richard Henderson  <rth@redhat.com>
2974         * cgraph.h (cgraph_build_static_cdtor): Declare.
2975         * cgraphunit.c (cgraph_build_static_cdtor): New.
2976         * c-objc-common.c (build_cdtor): Use it.
2977         * coverage.c (create_coverage): Likewise.
2978         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
2979         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
2981 See ChangeLog.11 for earlier changes.