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1 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2
3         PR rtl-optimization/16001
4         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
5         niter_expr.
6
7 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
8
9         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
10
11 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
12             James Morrison  <phython@gcc.gnu.org>
13
14         * doc/contrib.texi (Contributors): Add gfortran contributors and
15         fix a couple of typos.
16
17 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
18
19         PR rtl-optimization/15387
20         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
21         to incoming args space correctly.
22
23 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24
25         * pa.c (output_indirect_call): Only use %r2 as the link register in
26         indirect calls with the long PA 2.0 pc-relative branch.
27
28 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
29
30         * config/i386/i386.c (override_options): Pick a 64-bit CPU
31         for the default tuning if TARGET_64BIT.
32
33 2004-07-10  Richard Henderson  <rth@redhat.com>
34
35         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
36         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
37
38 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
39
40         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
41         * expmed.c (store_bit_field, extract_bit_field): Remove last
42         argument.
43         * builtins.c (expand_builtin_signbit): Adjust callers.
44         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
45         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
46         * ifcvt.c (noce_emit_move_insn): Likewise.
47         * stmt.c (expand_return): Likewise.
48         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
49         store_field, expand_expr_real_1): Likewise.
50
51 2004-07-10  Richard Henderson  <rth@redhat.com>
52
53         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
54
55 2004-07-09  Mike Stump  <mrs@apple.com>
56
57         * config/darwin.c (no_dead_strip): Add.
58         (HAVE_DEAD_STRIP): Add.
59         (darwin_emit_unwind_label): Ensure that we don't dead code strip
60         the .eh label.
61
62 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
63
64         * tree-ssa-loop-im.c: New file.
65         * Makefile.in (tree-ssa-loop-im.o): Add.
66         * cfgloop.c (superloop_at_depth): New function.
67         * cfgloop.h (superloop_at_depth): Declare.
68         * common.opt (ftree-lim): New flag.
69         * expr.c (array_ref_up_bound): New function.
70         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
71         * timevar.def (TV_LIM): New timevar.
72         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
73         computing immediate uses of a phi node.
74         * tree-flow.h (struct tree_ann_common_d): Add aux field.
75         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
76         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
77         * tree-pass.h (pass_lim): Declare.
78         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
79         functions.
80         (pass_lim): New pass structure.
81         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
82         * tree.c (in_array_bounds_p): New function.
83         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
84         (in_array_bounds_p, array_ref_up_bound): Declare.
85         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
86         * doc/passes.texi (tree-ssa-loop-im.c): Document.
87
88 2004-07-09  Richard Henderson  <rth@redhat.com>
89
90         * builtins.c (expand_builtin_stpcpy): Don't modify len.
91
92         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
93         with prejudice.
94
95 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
96
97         * flags.h: Delete redundant prototypes that are being generated
98         in options.h from common.opt.
99         * common.opt: Add in the expository comments formerly in flags.h.
100
101 2004-07-09  Jan Beulich  <jbeulich@novell.com>
102
103         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
104         available for use only when TARGET_MMX/_SSE is set, and check for
105         variable argument function if any register count is non-zero.
106         (function_arg): Correctly suppress repeated warnings for passing SSE
107         vectors are arguments without SSE enabled.
108         (ix86_function_arg_boundary): Without SSE enabled, the use of what
109         would be SSE register modes does no longer influence the alignment.
110
111 2004-07-09  Richard Henderson  <rth@redhat.com>
112
113         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
114         Always align upward to arg boundary.  Use size_in_bytes/round_up.
115         Maintain type-correctness of constants.
116         * stor-layout.c (round_up, round_down): Special-case powers of 2.
117
118 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
119
120         * config/sparc/sparc.c (*_costs): Scale instruction costs
121         by COSTS_N_INSNS.
122         (sparc_rtx_costs): Adjust as appropriate.
123
124 2004-07-09  Jan Beulich  <jbeulich@novell.com>
125
126         * config/i386/mm3dnow.h: New.
127         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
128
129 2004-07-09  Richard Henderson  <rth@redhat.com>
130
131         * simplify-rtx.c (simplify_const_relational_operation): Only
132         look at bounds of scalar integers.
133
134 2004-07-09  Jan Beulich  <jbeulich@novell.com>
135
136         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
137
138 2004-07-09  Andrew Pinski  <apinski@apple.com>
139
140         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
141         always referenced.
142         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
143         UOBJC_METACLASS_decl.
144
145 2004-07-09  James E Wilson  <wilson@specifixinc.com>
146
147         PR target/16364
148         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
149         do return a parallel if hfa_mode == XFmode and mode == TImode.
150
151 2004-07-09  Jan Beulich  <jbeulich@novell.com>
152
153         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
154         permissible for unary plus.
155
156 2004-07-09  Jan Beulich  <jbeulich@novell.com>
157
158         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
159         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
160         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
161         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
162         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
163         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
164         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
165         (BUILTIN_xxxIMAX): New.
166         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
167         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
168         BUILT_IN_PARITYIMAX.
169
170 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
171
172         * config/sparc/sparc.h (processor_costs): Define.
173         (sparc_costs): Declare.
174         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
175         hypersparc_costs, sparclet_costs, ultrasparc_costs,
176         ultrasparc3_costs): New.
177         (sparc_override_options): Set sparc_costs as appropriate.
178         (sparc_rtx_costs): Use sparc_costs instead of messy
179         conditionals.
180         
181 2004-07-09  Steven Bosscher  <stevenb@suse.de>
182
183         * doc/md.texi (Processor pipeline description): Mention that
184         the old pipeline description is deprecated.
185
186         * config/rs6000/7450.md (automaton ppc7450): Split up, move
187         mciu_7450 function unit to...
188         (automaton ppc7450mciu): ...new automaton.
189
190         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
191         (schedule_block): Don't consider inserting bubbles.
192         (sched_init): Don't initialize DFA bubbles.
193         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
194         TARGET_SCHED_DFA_BUBBLE): Remove.
195         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
196         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
197         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
198
199         * stmt.c (conditional_context): Remove prototype.
200         * tree.h (conditional_context): Remove.
201         * tree-cfg.c (pre_insert_on_edge): Remove.
202
203         * c-common.h (c_expand_asm_operands): Remove prototype.
204         * c-typeck.c (c_expand_asm_operands): Remove.
205
206 2004-07-09  Jan Beulich  <jbeulich@novell.com>
207
208         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
209         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
210         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
211         and V8QI are class SSE. All sufficiently small remaining vector modes
212         must be passed in one or two integer registers.
213         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
214         returned in memory.
215         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
216         __builtin_ia32_pmuludq128 have non-uniform argument and return types
217         and must thus be handled explicitly.
218         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
219         MMX and XMM regs.
220         (movv8qi_internal, movv4hi_internal, movv2si_internal,
221         movv2sf_internal): Permit moving between MMX and XMM registers (since
222         MMX areguments and return values are passed in XMM registers).
223         (sse2_umulsidi3): Correct type and mode.
224
225 2004-07-09  Richard Henderson  <rth@redhat.com>
226
227         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
228
229 2004-07-09  Eric Christopher  <echristo@redhat.com>
230
231         * config/rs6000/40x.md: Split into two automatons.
232
233 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
234             Andrew Pinski  <apinski@apple.com>
235
236         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
237         on when we have more than one input file.
238         (c_common_parse_file): Restore loop over all input files.
239         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
240
241         * c-decl.c (set_type_context): New function.
242         (pop_scope): Use it to set context of types.  When we
243         encounter a TYPE_DECL, set the context of the attached type too.
244         (pop_file_scope): Don't call cpp_undef_all here.
245         (diagnose_mismatched_decls): Do not complain about a second
246         definition of an 'extern inline' function if it's not in the
247         same translation unit.  Do not complain about inline
248         declaration after use if the use was in a different
249         translation unit.
250         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
251         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
252         the external scope.
253         (pushdecl_top_level): Likewise.
254         (grokdeclarator): Clarify what is going on with setting
255         DECL_EXTERNAL on function types, a little.
256         (c_write_global_declarations): Don't do anything if
257         -fsyntax-only or errors have been encountered.
258
259 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
260
261         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
262
263 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
264
265         PR target/16459
266         * pa.c (output_indirect_call): Use %r2 as the link register when
267         calling $$dyncall with a pc-relative branch.
268
269 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
270
271         * doc/install.texi (Binaries): Mention OpenPKG.
272
273 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
274
275         Fix PR tree-optimization/15555
276         * tree-dfa.c (dump_variable): If the variable is a pointer
277         SSA_NAME, also dump its points-to information.
278         * tree-flow.h (struct ptr_info_def): Add field
279         is_dereferenced.
280         (dump_points_to_info_for): Declare.
281         (debug_points_to_info_for): Declare.
282         * tree-optimize.c (init_tree_optimization_passes): Add a
283         second alias analysis pass after DOM2.
284         Move pass_del_pta to a later spot.
285         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
286         create a name tags when we find a dereferenced pointer.  Just
287         mark the pointer dereferenced.
288         (collect_points_to_info_for): Move code to clear points-to
289         information to create_name_tags.
290         (create_name_tags): New function.
291         (compute_flow_sensitive_aliasing): Call it.
292         (setup_pointers_and_addressables): Mark type tags for renaming
293         here instead of ...
294         (create_memory_tag): ... here.
295         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
296         (dump_points_to_info_for): Declare extern.
297         (debug_points_to_info_for): New function.
298
299 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
300
301         * config/arc/arc.md: Switch to DFA-based scheduler description.
302         * config/arc/arc.c: Switch to DFA-based scheduler description.
303
304 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
305
306         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
307         pointer.
308
309 2004-07-09  Richard Henderson  <rth@redhat.com>
310
311         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
312         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
313         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
314         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
315
316         * config/v850/v850-protos.h (v850_va_arg): Remove.
317         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
318         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
319         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
320         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
321         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
322
323 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
324
325         PR target/12133
326         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
327         and DImode to use +/-4k offset.
328
329 2004-07-09  Richard Henderson  <rth@redhat.com>
330
331         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
332         Remove.
333         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
334         (xstormy16_gimplify_va_arg_expr): Rewrite from
335         xstormy16_expand_builtin_va_arg.
336         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
337
338         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
339         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
340
341         * config/sh/sh-protos.h (sh_va_arg): Remove.
342         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
343         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
344         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
345
346         * config/pa/pa-protos.h (hppa_va_arg): Remove.
347         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
348         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
349         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
350
351         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
352         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
353         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
354         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
355
356 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
357
358         * config/sparc/sparc.md (return): Rewrite length formula.
359         * config/sparc/sparc.c (output_return): Pass 1 as 5th
360         argument to final_scan_insn when in a delay slot.
361         (output_sibcall): Likewise.
362
363 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
364
365         * arm.c (arm_cpp_interwork): New variable.
366         (arm_override_options): Set it if TARGET_INTERWORK was on the command
367         line.
368         * arm.h (arm_cpp_interwork): Declare it.
369         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
370         __THUMB_INTERWORK__ in the preprocessor.
371
372 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
373
374         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
375
376 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
377
378         PR target/16416
379         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
380         Override default settings to account for -m32 and -m64.
381
382 2004-07-08  Randolph Chung  <tausq@debian.org>
383
384         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
385
386 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
387
388         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
389         before comparing it as such.
390
391 2004-07-08  Richard Henderson  <rth@redhat.com>
392
393         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
394         temporary.  Use bit arithmetic to align.
395
396 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
397
398         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
399         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
400         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
401         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
402         add_labels_and_missing_jumps, find_jump_block,
403         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
404         Likewise.
405         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
406         link_btr_uses, move_btr_def): Likewise.
407         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
408         expand_builtin_expect_jump): Likewise.
409         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
410         * calls.c (expand_call, emit_library_call_value_1): Likewise.
411         * cfganal.c (forwarder_block_p): Likewise.
412         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
413         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
414         find_bb_boundaries): Likewise.
415         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
416         merge_blocks_move_predecessor_nojumps,
417         merge_blocks_move_successor_nojumps, insns_match_p,
418         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
419         try_optimize_cfg): Likewise.
420         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
421         * cfglayout.c (skip_insns_after_block, label_for_bb,
422         record_effective_endpoints, insn_locators_initialize,
423         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
424         * cfgmainloop.c (create_loop_notes): Likewise.
425         * cfgrtl.c (delete_insn, delete_insn_chain,
426         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
427         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
428         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
429         redirect_branch_edge, force_nonfallthru_and_redirect,
430         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
431         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
432         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
433         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
434         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
435         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
436         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
437         * combine.c (combine_instructions, can_combine_p, try_combine,
438         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
439         distribute_notes, distribute_links, insn_cuid): Likewise.
440         * cse.c (fold_rtx, cse_insn, cse_around_loop,
441         invalidate_skipped_block, cse_set_around_loop,
442         cse_end_of_basic_block, cse_main, cse_basic_block,
443         cse_condition_code_reg): Likewise.
444         * cselib.c (cselib_process_insn): Likewise.
445         * ddg.c (create_ddg): Likewise.
446         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
447         Likewise.
448         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
449         gen_label_die, dwarf2out_var_location): Likewise.
450         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
451         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
452         last_call_insn, active_insn_p, next_label, prev_label,
453         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
454         add_insn_before, remove_insn, add_function_usage_to,
455         reorder_insns, find_line_note, remove_unnecessary_notes,
456         emit_insn_after_1, classify_insn): Likewise.
457         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
458         connect_post_landing_pads, sjlj_mark_call_sites,
459         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
460         can_throw_internal, can_throw_external, set_nothrow_function_flags,
461         convert_to_eh_region_ranges): Likewise.
462         * explow.c (optimize_save_area_alloca): Likewise.
463         * expr.c (expand_expr_real): Likewise.
464         * final.c (insn_current_reference_address, compute_alignments,
465         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
466         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
467         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
468         propagate_block_delete_insn, propagate_one_insn,
469         init_propagate_block_info, propagate_block, libcall_dead_p,
470         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
471         Likewise.
472         * function.c (instantiate_virtual_regs, reorder_blocks_1,
473         expand_function_start, expand_function_end, contains,
474         thread_prologue_and_epilogue_insns,
475         reposition_prologue_and_epilogue_notes): Likewise.
476         * gcse.c (constprop_register, bypass_conditional_jumps,
477         insert_insn_end_bb, gcse_after_reload): Likewise.
478         * genemit.c (gen_expand, gen_split): Likewise.
479         * genpeep.c (gen_peephole, main): Likewise.
480         * global.c (build_insn_chain): Likewise.
481         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
482         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
483         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
484         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
485         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
486         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
487         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
488         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
489         dead_or_predicable): Likewise.
490         * integrate.c (try_constants): Likewise.
491         * jump.c (rebuild_jump_labels, cleanup_barriers,
492         purge_line_number_notes, init_label_info, mark_all_labels,
493         squeeze_notes, get_label_before, get_label_after,
494         reversed_comparison_code_parts, simplejump_p, pc_set,
495         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
496         delete_barrier, delete_prior_computation, delete_computation,
497         delete_related_insns, delete_for_peephole, redirect_jump):
498         Likewise.
499         * lcm.c (optimize_mode_switching): Likewise.
500         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
501         Likewise.
502         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
503         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
504         * loop-iv.c (simplify_using_assignment): Likewise.
505         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
506         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
507         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
508         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
509         check_insn_for_givs, check_final_value, update_giv_derive,
510         basic_induction_var, product_cheap_p, check_dbra_loop,
511         loop_insn_first_p, last_use_this_basic_block,
512         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
513         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
514         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
515         sms_schedule_by_order): Likewise.
516         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
517         * postreload.c (reload_cse_simplify_operands, reload_combine,
518         reload_cse_move2add): Likewise.
519         * predict.c (can_predict_insn_p, estimate_probability,
520         expected_value_to_br_prob, process_note_predictions): Likewise.
521         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
522         * profile.c (branch_prob): Likewise.
523         * ra-build.c (live_out_1, livethrough_conflicts_bb,
524         detect_webs_set_in_cond_jump): Likewise.
525         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
526         ra_print_rtl_with_bb): Likewise.
527         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
528         * recog.c (next_insn_tests_no_inequality, find_single_use,
529         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
530         * reg-stack.c (next_flags_user, record_label_references,
531         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
532         compensate_edge, convert_regs_1): Likewise.
533         * regclass.c (scan_one_insn): Likewise.
534         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
535         regmove_optimize, fixup_match_1, single_set_for_csa,
536         combine_stack_adjustments_for_block): Likewise.
537         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
538         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
539         find_equiv_reg): Likewise.
540         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
541         reload_as_needed, emit_input_reload_insns, do_output_reload,
542         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
543         Likewise.
544         * reorg.c (find_end_label, emit_delay_sequence,
545         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
546         get_jump_flags, rare_destination, mostly_true_jump,
547         try_merge_delay_insns, redundant_insn, own_thread_p,
548         fill_simple_delay_slots, fill_slots_from_thread,
549         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
550         dbr_schedule): Likewise.
551         * resource.c (find_basic_block, next_insn_no_annul,
552         find_dead_or_set_registers, mark_target_live_regs): Likewise.
553         * rtl.h (RTX_PREV): Likewise.
554         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
555         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
556         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
557         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
558         tablejump_p, computed_jump_p, insns_safe_to_move_p,
559         find_first_parameter_load, can_hoist_insn_p): Likewise.
560         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
561         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
562         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
563         schedule_ebbs): Likewise.
564         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
565         is_conditionally_protected, can_schedule_ready_p,
566         add_branch_dependences, debug_dependencies): Likewise.
567         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
568         Likewise.
569         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
570         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
571         set_dominates_use, ujump_to_loop_cont): Likewise.
572         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
573         * varasm.c (output_constant_pool_1): Likewise.
574
575 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
576
577         * tree-scalar-evolution.c: New file.
578         * tree-scalar-evolution.h: New file.
579         * tree-ssa-loop-niter.c: New file.
580         * Makefile.in (SCEV_H): New.
581         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
582         * cfgloop.h (struct loop): Add bounds field.
583         * tree-flow.h (struct tree_niter_desc): New type.
584         (number_of_iterations_cond, number_of_iterations_exit,
585         loop_niter_by_eval, find_loop_niter_by_eval,
586         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
587         free_numbers_of_iterations_estimates): Declare.
588         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
589         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
590         * doc/invoke.texi (max-iterations-to-track): Document.
591
592 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
593
594         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
595         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
596         (MODE_AFTER): Add cast appropriately.
597         * config/sh/sh.md (movdi splitter): Likewise.
598         (casesi_worker_2): Add const qualifier appropriately.
599         (eh_return): Remove unused variable.
600         (insv): Initialize v;
601
602 2004-07-08  Richard Henderson  <rth@redhat.com>
603
604         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
605         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
606         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
607         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
608         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
609
610         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
611         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
612         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
613         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
614
615         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
616         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
617         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
618         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
619
620         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
621         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
622         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
623         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
624
625         * config/i860/i860-protos.h (i860_va_arg): Remove.
626         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
627         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
628         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
629
630 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
631
632         * system.h: Prototype getpagesize if missing.
633         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
634         * configure: Regenerate.
635         * config.in: Regenerate.
636
637 2004-07-08  Richard Henderson  <rth@redhat.com>
638
639         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
640         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
641         (fr30_gimplify_va_arg_expr): New.
642         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
643         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
644
645 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
646
647         PR target/16414
648         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
649         of asm_noperands result.
650
651 2004-07-08  Richard Henderson  <rth@redhat.com>
652
653         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
654         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
655         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
656         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
657
658 2004-07-08  Richard Henderson  <rth@redhat.com>
659
660         * builtins.c (ind_gimplify_va_arg_expr): New.
661         * tree.h (ind_gimplify_va_arg_expr): Declare.
662         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
663
664 2004-07-08  Jan Beulich  <jbeulich@novell.com>
665
666         * expmed.c (extract_bit_field): Correct condition to use vec_extract
667         patterns also on vector elements other than the first one.
668         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
669         break statements.
670
671 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
672
673         * config/rs6000/darwin-ldouble.c: Correct reference
674         to the Linnainmaa paper.
675
676 2004-07-08  Richard Henderson  <rth@redhat.com>
677
678         * config/arc/arc-protos.h (arc_va_arg): Remove.
679         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
680         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
681         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
682
683         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
684         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
685         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
686         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
687
688 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
689
690         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
691
692 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
693
694         * c-decl.c (static_ctors, static_dtors): Make static.
695         (pop_file_scope): Call c_common_write_pch and
696         cgraph_finalize_compilation_unit here.
697         (build_cdtor): Moved here from c-objc-common.c; simplify.
698         (c_write_global_declarations_1): Clarify comment.
699         (c_write_global_declarations): Close the external scope before
700         doing anything else.  Call build_cdtor, cgraph_optimize, and
701         mudflap_finish_file here.
702         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
703         Clarify comment.
704         * c-objc-common.c: No need to include cgraph.h.
705         (build_cdtor): Moved to c-decl.c.
706         (c_objc_common_finish_file): Delete.
707         * c-tree.h: Update to match.
708         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
709         (generate_static_references): Set TREE_USED before calling finish_decl.
710         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
711         on the static_instances_decl.
712
713 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
714
715         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
716         decls when there is only one input translation unit.
717         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
718         change of 2004-07-05; do not treat declarations with
719         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
720         * opts.c (cur_in_fname): Delete.
721         * opts.h: Likewise.
722         * tree.c: Revert changes of 2004-07-05; no special treatment
723         for TRANSLATION_UNIT_DECLs.
724         * Makefile.in (tree.o): Update dependencies.
725
726 2004-07-08  Roger Sayle  <roger@eyesopen.com>
727
728         * builtins.c (fold_builtin_strcpy): Merge functionality from
729         simplify_builtin_strcpy.  Add additional len argument.  No longer
730         static.  Remove function prototype.
731         (fold_builtin_strncpy): Likewise integrate functionality from
732         simplify_builtin_strncpy.  Add additional slen argument.  No
733         longer static.  Remove function prototype.
734         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
735         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
736         types of "ignore" and "unlocked" parameters to bool.
737         (fold_builtin_1):  Add additional ignore argument.  Call renamed
738         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
739         builtins.  Update arguments to fold_builtin_strncpy and
740         fold_builtin_strcpy.  Add function prototype.
741         (fold_builtin): Add additional Boolean ignore argument to pass
742         to fold_builtin_1.
743         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
744         and fold_builtin_strncpy instead of simplify_builtin_fputs,
745         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
746
747         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
748         simplify_builtin_strncpy): Delete function prototypes.
749         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
750         fold_builtin_strncpy): Add function prototypes here.
751         (fold_builtin): Update function prototype with new "bool ignore".
752
753         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
754         (ccp_fold_builtin):  Update call to fold_builtin.  Call
755         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
756         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
757         simplify_builtin_strncpy respectively.
758         * fold-const.c (fold): Update call to fold_builtin.
759
760 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
761
762         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
763         to strcpy.
764
765         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
766         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
767         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
768         * calls.c: Remove ifdefs of macros above.
769         * functions.c: Likewise.
770         * expr.c: Likewise.
771
772 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
773
774         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
775         (arch attribute): Delete.
776         (current_function_calls_alloca attribute): Rename into calls_alloca.
777         (calls_eh_return): New attribute.
778         (leaf_function): Likewise.
779         (length attribute): Fix formula for sibcalls.
780         (return insn): Correctly compute the 'length' attribute.
781         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
782
783 2004-07-08  Richard Henderson  <rth@redhat.com>
784
785         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
786         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
787         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
788         * tree-eh.c (lower_eh_constructs_1): Likewise.
789         * tree-sra.c (sra_walk_modify_expr): Likewise.
790         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
791         (eliminate_unnecessary_stmts): Likewise.
792         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
793         * tree-tailcall.c (optimize_tail_call): Likewise.
794         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
795
796 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
797             Jakub Jelinek  <jakub@redhat.com>
798
799         * config/i386/i386.c (override_options): Enable
800         SSE prefetches with -mtune, as long as we are
801         compiling for i686 or higher.  All i686 processors
802         accept SSE prefetches as NOPS, some i586's don't.
803
804 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
805
806         PR target/10567
807         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
808
809 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
810
811         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
812         the handling of clobbering ASM_EXPRs.
813
814 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
815
816         PR target/16430
817         * config/sparc/sparc.c (function_value): In 64-bit mode,
818         return the aggregates larger than 16 bytes like unions.
819
820 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
821
822         PR target/16199
823         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
824         'temp' is zero, generate new pseudos as needed and emit the
825         sequence of insns in single-assignment form.  Resync comments
826         with code.
827         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
828         function before reload.
829
830 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
831
832         * vec.c (vec_assert_fail): Remove duplicate 'function'.
833
834         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
835
836         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
837         Allocation is signed.
838         (VEC_reserve): Return flag, allocation is signed.
839
840 2004-07-08  Richard Henderson  <rth@redhat.com>
841
842         * tree-ssa-ccp.c (fold_stmt): Get type directly from
843         OBJ_TYPE_REF_OBJECT.
844
845 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
846             Neil Booth  <neil@daikokuya.co.uk>
847
848         PR c/2511
849         PR c/3325
850         * c-decl.c (finish_struct): Ensure bit-fields are given the
851         correct type.
852         * c-common.c (c_common_signed_or_unsigned_type): For C, require
853         the precision to match as well as the mode.
854         * expr.c (reduce_to_bit_field_precision): New function.
855         (expand_expr_real_1): Reduce expressions of bit-field type to
856         proper precision.
857         * langhooks.h (reduce_bit_field_operations): New hook.
858         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
859         Define.
860         * c-lang.c, objc/objc-lang.c
861         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
862         * objc/objc-act.c (check_ivars): Convert types to bit-field types
863         before checking.
864         * tree.c (build_nonstandard_integer_type): New function.
865         * tree.h (build_nonstandard_integer_type): New prototype.
866         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
867         conversions between integer and boolean types as useless.
868
869 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
870
871         * c-common.c (c_common_nodes_and_builtins): Do not
872         create __builtin_ptrdiff_t and __builtin_size_t.
873
874 2004-07-08  Andrew Pinski  <apinski@apple.com>
875
876         * Makefile.in (libbackend.o): Add -combine to the gcc
877         command line.
878
879 2004-07-08  Nick Clifton  <nickc@redhat.com>
880
881         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
882         Set to -Os.
883
884 2004-07-08  Richard Henderson  <rth@redhat.com>
885
886         * except.c (expand_eh_region_start, expand_eh_region_end,
887         expand_eh_handler, expand_eh_region_end_cleanup,
888         expand_start_all_catch, expand_start_catch, expand_end_catch,
889         expand_end_all_catch, expand_eh_region_end_allowed,
890         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
891         expand_eh_region_end_fixup): Remove.
892         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
893         cleanups, outer_cleanups, label_chain, exception_region.
894         (struct goto_fixup): Remove stack_level, cleanup_list_list.
895         (struct label_chain): Remove.
896         (struct stmt_status): Remove x_stack_block_stack.
897         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
898         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
899         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
900         end_cleanup_deferral, last_cleanup_this_contour,
901         containing_blocks_have_cleanups_or_stack_level,
902         any_pending_cleanups): Remove.
903         (expand_null_return_1): Take no arguments.
904         (expand_label, expand_naked_return, expand_return,
905         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
906         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
907         expand_end_case_type): Don't use any of them.
908         * calls.c (expand_call): Likewise.
909         * dojump.c (do_jump): Likewise.
910         * function.c (expand_function_end): Likewise.
911         * expr.c (store_expr, expand_expr_real_1): Likewise.
912         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
913         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
914         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
915         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
916         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
917         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
918         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
919         for WITH_CLEANUP_EXPR.
920         (gimple_push_cleanup): Likewise.
921         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
922         * print-tree.c (print_node): Likewise.
923         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
924         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
925         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
926         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
927         (GOTO_SUBROUTINE_EXPR): Remove.
928         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
929         (DECL_TOO_LATE): Remove.
930         * except.h, tree.h: Update decls.
931
932 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
933
934         * explow.c (optimize_save_area_alloca): Do not accept parameters.
935         * passes.c (rest_of_handle_final): Handle symout.
936         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
937         Push timevar here.
938         (rest_of_handle_sched): Break out SMS.  Remove ifs for
939         flag_schedule_insns and flag_modulo_sched.
940         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
941         collect at the end.
942         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
943         (rest_of_handle_partition_blocks, rest_of_handle_sms,
944         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
945         rest_of_handle_mode_switching, rest_of_handle_jump,
946         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
947         rest_of_handle_jump2, rest_of_handle_postreload,
948         rest_of_handle_flow2, rest_of_clean_state,
949         rest_of_handle_shorten_branches,
950         rest_of_handle_prologue_epilogue,
951         rest_of_handle_branch_target_load_optimize): New.
952         (rest_of_compilation): Call the above.  Remove ggc_collect
953         calls moved to rest_of_handle_*.
954         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
955
956         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
957         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
958         * except.h (set_nothrow_function_flags): Update comment.
959         * function.c (current_function_nothrow): Remove.
960         * output.h (current_function_nothrow): Remove.
961         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
962         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
963
964 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
965
966         PR bootstrap/16326
967         * reorg.c: Revert 2004-06-30 change.
968         (find_end_label): If HAVE_epilogue and !HAVE_return,
969         return 0 instead of creating a label at the end of the insn chain.
970         (optimize_skip): Account for the failure mode of find_end_label.
971         (fill_simple_delay_slots): Likewise.
972         (fill_slots_from_thread): Likewise.
973         (relax_delay_slots): Likewise.
974
975 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
976
977         * tree-flow.h (addressable_vars): Declare.
978         * tree-ssa-alias.c (addressable_vars): Define.
979         (setup_pointers_and_addressables): Add addressable variables
980         to addressable_vars.
981         * tree-ssa-operands.c (get_stmt_operands): Move
982         handling of ASM_EXPRs ...
983         (get_asm_expr_operands): ... here.
984         When the ASM_EXPR clobbers memory, also clobber addressable
985         variables.
986         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
987         (delete_tree_ssa): Reset addressable_vars.
988
989 2004-07-07  Jan Beulich  <jbeulich@novell.com>
990             Richard Henderson  <rth@redhat.com>
991
992         * varasm.c (assemble_variable): Use assemble_zeros for
993         zero-initialized variables.
994         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
995         for SECCAT_BSS and SECCAT_TBSS.
996
997 2004-07-07  Jan Beulich  <jbeulich@novell.com>
998
999         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
1000
1001         * expmed.c (emit_store_flag): Also special-case double-word
1002         (in-)equality comparison against -1.
1003
1004         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
1005         passing arguments the containers for which are registers.
1006
1007         * calls.c (emit_library_call_value_1): Use mode of function parameter
1008         rather than that of argument since constants have none.
1009
1010 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1011
1012         Introduce H8SX support.
1013         * expr.c (expand_strcpy): Renamed and moved to...
1014         * builtins.c (expand_movstr): ... here.  Tweak.
1015         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
1016         computed or has side effects.
1017         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
1018         unused, or if mempcpy fails.  Adjust the return value in the
1019         latter case.  Use movstr if everything else fails.
1020         * doc/md.texi (movstr): Document.
1021         (movmemM, clrmemM): Fix explanation of memory block operands.
1022         * config/h8300/h8300.md (stpcpy): Renamed to...
1023         (movstr): ... this.  Adjust.
1024         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1025         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
1026         movmem* and clrstr* to clrmem*.
1027         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
1028         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
1029         GENERAL_REGS, always.
1030         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
1031         getting the stack pointer as addr.
1032         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
1033         from general_operand_dst.
1034         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
1035         variant of...
1036         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
1037         instead of requiring it to match only before reload.
1038         (stpcpy_internal_normal): New, normal-mode variant of...
1039         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
1040         `D' instead of requiring it to match only before reload.
1041         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
1042         mode argument.
1043         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
1044         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
1045         h8300_get_index.
1046         * config/h8300/h8300.md (attr type): Add call.
1047         (attr can_delay): If type is call, set it no.
1048         (call, call_value): Set type to call.
1049         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
1050         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
1051         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
1052         * tree.c (get_narrower): Don't narrow integral types into
1053         non-integral types.
1054         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
1055         frame_size *before* the first use.
1056         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
1057         on input.
1058         (peephole2): Don't widen instructions that push SP.  Move
1059         decrement of SP to the end of all stm-generating peepholes.
1060         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1061         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
1062         and OR to set it to all ones.
1063         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1064         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
1065         (call, call_value): Set can_delay to "no".
1066         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
1067         * config/h8300/h8300.md (extzv): Make subreg check more robust.
1068         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1069         * config/h8300/h8300.md (*brabit): Remove.
1070         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
1071         zero_extract.  Use bit_memory_operand as the predicate for
1072         operand 1 and 'WU' as the constraint.  Check the difference
1073         between the base length and the final one when deciding which
1074         type of branch to use.
1075         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1076         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
1077         Use convert_move to extend the result for TARGET_H8300SX.  Check
1078         for QImode memory references.  Optimize the case where the
1079         destination is a paradoxical subreg.
1080         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1081         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
1082         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
1083         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1084         * config/h8300/h8300.md: Include mova.md
1085         (length_table): Add mova and mova_zero.
1086         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
1087         after all constant addresses for '%R', '%X', '%T' and '%S'.
1088         (h8300_mova_length): New function.
1089         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
1090         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
1091         dependencies for s-config, etc.
1092         * config/h8300/gemova.sh: New file.
1093         * config/h8300/mova.md: Generated.
1094         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
1095         * config/h8300/h8300.c (h8300_bitfield_length): New.
1096         (nibble_operand): Adjust.
1097         (h8300_binary_length): Handle conditional binary op.
1098         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
1099         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
1100         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
1101         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
1102         constraints.  WU is introduced as a variant of U that requires a
1103         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
1104         * config/h8300/h8300.md (attr type): Added bitbranch.
1105         (attr length_table): Added bitfield and bitbranch.
1106         (attr length): Compute bitbranch length.
1107         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
1108         least-significant bit of a byte.
1109         (brabit, brabc, brabs): New.
1110         (insv, extzv): Emit bfst and bfld on H8300SX.
1111         (bfld, bfst, seq, sne): New.
1112         (bstzhireg, cmpstz, bstz, bistz): New.
1113         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
1114         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
1115         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
1116         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
1117         (h8sx_unary_memory_operator): New function.
1118         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
1119         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
1120         * config/h8300/h8300.md: Add peepholes to combine reloads and
1121         arithmetic insns.
1122         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1123         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
1124         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
1125         (and?i, ior?i, xor?i): Likewise.
1126         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1127         * config/h8300/h8300.c: Move enums and prototypes to head of file.
1128         Various whitespace fixes.
1129         (h8300_constant_length): New function, split out from...
1130         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
1131         (h8300_classify_operand): Use IN_RANGE.
1132         (h8300_classify_operand): Use h8300_constant_length.
1133         (h8300_short_move_mem_p): Tighten size check.
1134         (h8sx_mergeable_memrefs_p): Tighten equality check.
1135         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
1136         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
1137         for -msx.
1138         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
1139         * config/h8300/crtn.asm: Likewise.
1140         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
1141         if __H8300SX__ is defined.
1142         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
1143         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
1144         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
1145         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
1146         addresses as mode-dependent.
1147         * config/h8300/h8300.c (print_operand_address): Update call to
1148         h8300_get_index.
1149         (h8300_get_index): Take a mode argument.  Rework to fix an
1150         earlier misunderstanding.
1151         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
1152         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
1153         into a register if TARGET_H8300SX.
1154         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
1155         TARGET_H8300SX.  Also disable related define_splits.
1156         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
1157         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
1158         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
1159         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1160         * config/h8300/h8300.h (OK_FOR_Z): New macro.
1161         (EXTRA_CONSTRAINT_STR): Check it.
1162         * config/h8300/h8300.c (h8300_classify_operand): Accept null
1163         class arguments.
1164         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
1165         * config/h8300/h8300.md (length_table): Add mov_imm4.
1166         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
1167         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1168         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
1169         be a label.
1170         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
1171         * config/h8300/h8300.c (h8300_reorg): New function.
1172         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1173         * config/h8300/h8300.md (length): Subtract the length of the
1174         delay slot from (pc) when checking the range of forward branches.
1175         (delay_slot, can_delay): New attributes.
1176         (define_delay): Add bra/s handling.
1177         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
1178         (jump): Add delayed-branch handling.
1179         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
1180         * expr.c (expand_strcpy): New function.
1181         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
1182         (expand_builtin_stpcpy): Likewise.
1183         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
1184         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
1185         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
1186         handling to improve register allocation for -fno-omit-frame-pointer.
1187         (h8sx_split_movmd): Delete, moving er6 handling into...
1188         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
1189         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
1190         (movmd): Add calls to copy_rtx.
1191         (movmd_internal): In the second alternative, allow the initial and
1192         final destination registers to be different .  Update the splitter
1193         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
1194         instead of h8sx_split_movmd.
1195         (stpcpy, movsd): New expanders.
1196         (movsd_internal): New define_insn.
1197         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
1198         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
1199         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
1200         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
1201         and DESTINATION_REGS.
1202         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
1203         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
1204         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
1205         (h8300_move_ratio): Declare.
1206         (MOVE_RATIO): Use it.
1207         * config/h8300/h8300.c (h8300_move_ratio): New variable.
1208         (h8300_init_once): Initialize it.
1209         (h8300_reg_class_from_letter): New function.
1210         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
1211         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
1212         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
1213         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
1214         (movstrsi, movmd): New expanders.
1215         (movmd_internal): New insn.
1216         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
1217         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
1218         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
1219         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
1220         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
1221         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1222         * config/h8300/h8300.c (nibble_operand): Fix warning.
1223         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
1224         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
1225         (movsf_h8300h): Disable for TARGET_H8300SX.
1226         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1227         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
1228         h8300_stm_parallel and h8300_return_parallel.
1229         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
1230         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
1231         h8300_stm_parallel, h8300_return_parallel): New functions.
1232         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
1233         if TARGET_H8300SX.  Use h8300_push_pop.
1234         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
1235         and final pop when generating h8sx code.  Always emit some form
1236         of return insn.
1237         * config/h8300/h8300.md: Don't enforce register alignment in
1238         stm peepholes if TARGET_H8300SX.
1239         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
1240         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
1241         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
1242         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1243         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
1244         (MULTILIB_DIRNAMES): Add a directory for it.
1245         (MULTILIB_MATCHES): Delete.
1246         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1247         * final.c (walk_alter_subreg): Handle addresses with subregs
1248         inside a ZERO_EXTEND or AND.
1249         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
1250         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
1251         if TARGET_H8300SX.
1252         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
1253         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
1254         @(dd,Rn.w) and @(dd,ERn.L).
1255         (h8300_displacement_size): Take the whole address as argument.
1256         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
1257         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1258         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
1259         (h8sx_mergeable_memrefs_p): Declare.
1260         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
1261         (HAVE_PRE_INCREMENT): Likewise.
1262         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
1263         addresses for TARGET_H8300SX,
1264         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
1265         and POST_DEC.
1266         (movb_length_table, movl_length_table): New tables.
1267         (movw_length_table): Define to movb_length_table.
1268         (h8300_displacement_size): New, split out from...
1269         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
1270         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
1271         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
1272         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
1273         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
1274         (compute_plussi_length, compute_plussi_cc): Update accordingly.
1275         (h8sx_unary_shift_operator): Get the mode from the operator.
1276         (binary_shift_operator): Likewise.
1277         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
1278         a memory reference, check whether the reference is offsettable.
1279         (length_table): Add movb, movw and movl.
1280         (movqi): Add new h8sx pattern.  Don't force one operand to be a
1281         register when generating h8sx code.
1282         (movhi, movsi, movsf): Likewise.
1283         (movstrictqi): Use the length_table attribute.
1284         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
1285         (addqi3): Split into a define_expand and define_insn.  Don't accept
1286         memory operands in the expander.  Use h8300_operands_match_p to
1287         check for matching operands in the define_insn.
1288         (subqi3, negqi2, one_cmplqi2): Likewise.
1289         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
1290         in any patterns that are unused in h8sx code.  In the h8sx patterns,
1291         use h8300_operands_match_p to check whether operands match.
1292         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
1293         one_cmpl[hs]i3): Likewise.
1294         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
1295         in the expander.
1296         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
1297         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
1298         (h8300_insn_length_from_table): Add a second parameter.
1299         (output_h8sx_shift): Declare.
1300         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
1301         (EXTRA_CONSTRAINT): Replace with...
1302         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
1303         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
1304         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
1305         and h8sx_binary_shift_operator.
1306         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
1307         for TARGET_H8300SX.
1308         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
1309         (bit_memory_operand, fix_bit_operand): Likewise.
1310         (h8300_length_table_for_insn): Remove.
1311         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
1312         instructions.
1313         (h8300_short_immediate_length, h8300_binary_length): New functions.
1314         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
1315         (output_plussi): Use sub to add negative constants.
1316         (compute_plussi_length): Adjust accordingly.
1317         (h8sx_single_shift_type): New enum.
1318         (h8sx_single_shift, h8sx_unary_shift_operator,
1319         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
1320         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
1321         single h8sx instruction.  Return false in this case.
1322         * config/h8300/h8300.md (length_table): Add short_immediate.
1323         (length): Pass the operand array to h8300_insn_length_from_table.
1324         (adjust_length): Assume "no" for insns with a length_table attribute.
1325         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
1326         (*addhi3_h8300hs): Don't use for h8sx.
1327         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
1328         and sub.w #xx:3.
1329         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
1330         1's predicate to nonimmediate_operand.  Only skip default expansion
1331         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
1332         for single h8sx shift instructions.
1333         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
1334         * config/h8300/h8300.c (nibble_operand): Split out of...
1335         (reg_or_nibble_operand): ... this.
1336         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
1337         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
1338         umulhisi3): Introduce expand, and introduce separate insns for
1339         sign- or zero-extended REG and already-extended CONST_INT.
1340         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
1341         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
1342         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
1343         (subhi3): Likewise.  Don't accept immediates for operand 1.
1344         Remove the early clobber from second alternative of the h8300s pattern.
1345         (subsi3): Generalize for h8sx.  Force operand 2 into a register
1346         on plain h8300 targets.
1347         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
1348         (subsi3_h8300h): Generalize for h8sx.
1349         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
1350         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
1351         * config/h8300/h8300.c (reg_or_nibble_operand): New.
1352         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1353         (TARGET_H8300SXMUL): New.
1354         (CONST_OK_FOR_P): New.
1355         (CONST_OK_FOR_LETTER_P): Adjust.
1356         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
1357         umulhisi3): Accept 4-bit immediate on H8SX.
1358         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
1359         (udivsi3, divhi3, udivsi3, divsi3): New.
1360         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
1361         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
1362         * config/h8300/h8300.h (OK_FOR_Q): New macro.
1363         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
1364         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
1365         Add ADDRESSOF to the bit_operand entry.
1366         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
1367         (h8300_src_operand): Likewise.
1368         (bit_operand): Check nonimmediate_operand rather than general_operand.
1369         Accept any nonimmediate_operand in h8sx code.
1370         (h8300_and_costs): Initialize operands[1].
1371         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
1372         (h8300_operand_class): New enum.
1373         (h8300_length_table): New typedef.
1374         (addb_length_table, addw_length_table, addl_length_table,
1375         logicl_length_table): New tables.
1376         (logicb_length_table, logicw_length_table): New macros.
1377         (h8300_classify_operand, h8300_length_from_table,
1378         h8300_length_table_for_insn, h8300_unary_length,
1379         h8300_insn_length_from_table): New functions.
1380         (output_plussi): Only use adds and subs for register destinations.
1381         Disable redundant clause.
1382         (compute_plussi_cc): Likewise.
1383         (compute_plussi_length): Likewise.  Use h8300_length_from_table
1384         to work out the length of an insn.
1385         (output_logical_op): Only use narrower immediate instructions
1386         if the destination is a register.
1387         (compute_logical_op_cc): Likewise.
1388         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
1389         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
1390         * config/h8300/h8300.md (length_table): New attribute.
1391         (length): When an instruction has a length_table attribute, use
1392         h8300_insn_length_from_table to calculate its default length.
1393         (cmpqi): Use h8300_dst_operand for the first operand and
1394         h8300_src_operand for the second.
1395         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
1396         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
1397         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
1398         iorsi3, xorhi3, xorsi3): Likewise.
1399         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
1400         so that it allows any combination of operands for TARGET_H8300SX.
1401         (iorqi3, xorqi3): Likewise.
1402         (cmpqi): Use the length_table attribute.
1403         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
1404         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1405         (cmpqi): Add 'Q' constraint.
1406         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
1407         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1408         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
1409         * config/h8300/h8300.h (MASK_H8300SX): New macro.
1410         (TARGET_H8300S): True for both -ms and -msx.
1411         (TARGET_H8300SX): New macro.
1412         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
1413         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
1414         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
1415         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
1416         [Temporary change.]
1417         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
1418         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
1419         16-bit pointers and 32-bit ints.
1420         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
1421         CONST_DOUBLE with mode no wider than SImode.
1422         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
1423         output operand.
1424         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
1425         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
1426         or SUBREG thereof.
1427         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1428         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
1429         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
1430
1431 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1432
1433         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
1434
1435 2004-07-07  Per Bothner  <per@bothner.com>
1436
1437         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
1438
1439 2004-07-07  Mike Stump  <mrs@apple.com>
1440
1441         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
1442         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
1443         (machopic_finish): Likewise.
1444
1445 2004-07-07  Richard Henderson  <rth@redhat.com>
1446
1447         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
1448         through any value-preserving cast.
1449
1450 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1451
1452         * function.c (assign_parm_find_data_types): Call
1453         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
1454
1455 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1456
1457         * tree-cfg.c (group_case_labels): Remove case labels that have
1458         the same target as the default case.
1459
1460 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1461
1462         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
1463         regardless of DECL_LANG_SPECIFIC being present or not.
1464         * tree.h (DECL_NUM_STMTS): Purge.
1465
1466 2004-07-07  Andrew Pinski  <apinski@apple.com>
1467
1468         * configure: Regenerate with the right autoconf.
1469
1470 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
1471
1472         * ifcvt.c (total_bb_rtx_cost): New function.
1473         (find_if_case_1): Compare rtx_cost of basic block to cost of
1474         BRANCH_COST insns.
1475         (find_if_case_2): Same.
1476
1477 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1478
1479         PR target/10567
1480         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
1481         (output_return): Likewise.
1482         (output_sibcall): Abort if !flag_delayed_branch.
1483         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
1484         (emit_and_preserve): New function.
1485         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
1486         indirect jump to the thunked-to function if !flag_delayed_branch.
1487         * config/sparc/sparc.md (delayed_branch): New attribute.
1488         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
1489         attribute to compute the length of the insn.
1490         (goto_handler_and_restore): Likewise.
1491
1492 2004-07-07  Andrew Pinski  <apinski@apple.com>
1493
1494         PR tree-optimization/15777
1495         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
1496
1497         * expr.c (expand_expr_real_1): Fix formating.
1498         BUFFER_REF and IN_EXPR are dead.
1499         * fold-const.c (non_lvalue): BUFFER_REF is dead.
1500         * tree-inline.c (estimate_num_insns_1): Likewise.
1501         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
1502         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
1503         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
1504
1505 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
1506
1507         * collect2.c (dump_file): Don't call cplus_demangle if
1508         HAVE_LD_DEMANGLE is defined.
1509         (main): Pass "--demangle" to ld if no_demangle is not 0 and
1510         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
1511         if HAVE_LD_DEMANGLE is defined.
1512
1513         * configure.ac (--with-demangler-in-ld): Added
1514         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
1515         --with-demangler-in-ld is used.
1516         * config.in: Regenerated.
1517         * configure: Likewise.
1518
1519 2004-07-07  Roger Sayle  <roger@eyesopen.com>
1520
1521         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
1522         for simple floating point operations "fp", double precision
1523         multiplication "dmul", and single and double precision division
1524         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
1525         (ppc630_cost): New table split from ppc620_cost, to distinguish
1526         differences in floating point latencies.
1527         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
1528         (rs6000_rtx_costs): Add support for single and double precision
1529         floating point addition, subtraction, multiplication, division,
1530         fused-multiply-add, fused-multiply-sub, negation, absolute value
1531         and negative absolute value.  Tweak MEM case to use prefered idiom.
1532
1533 2004-07-07  Richard Henderson  <rth@redhat.com>
1534
1535         * tree-flow-inline.h (may_propagate_copy): Move...
1536         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
1537         attempt to copy between types requiring conversion.
1538         * tree-flow.h (may_propagate_copy): Update decl.
1539         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
1540
1541 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
1542
1543         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
1544         from -mtune= option.
1545
1546 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1547
1548         * builtins.c: Rename movstr*, except for movstrict*, to
1549         movmem* and clrstr* to clrmem*.
1550         * expr.c: Likewise.
1551         * expr.h: Likewise.
1552         * genopinit.c: Likewise.
1553         * integrate.c: Likewise.
1554         * local-alloc.c: Likewise.
1555         * optabs.c: Likewise.
1556         * optabs.h: Likewise.
1557         * config/alpha/alpha.h: Likewise.
1558         * config/alpha/alpha.md: Likewise.
1559         * config/arm/arm-protos.h: Likewise.
1560         * config/arm/arm.c: Likewise.
1561         * config/arm/arm.md: Likewise.
1562         * config/avr/avr.md: Likewise.
1563         * config/c4x/c4x.c: Likewise.
1564         * config/c4x/c4x.md: Likewise.
1565         * config/frv/frv.md: Likewise.
1566         * config/i386/i386-protos.h: Likewise.
1567         * config/i386/i386.c: Likewise.
1568         * config/i386/i386.h: Likewise.
1569         * config/i386/i386.md: Likewise.
1570         * config/i860/i860.c: Likewise.
1571         * config/i860/i860.md: Likewise.
1572         * config/ip2k/ip2k.md: Likewise.
1573         * config/ip2k/libgcc.S: Likewise.
1574         * config/ip2k/t-ip2k: Likewise.
1575         * config/m32r/m32r.c: Likewise.
1576         * config/m32r/m32r.md: Likewise.
1577         * config/mcore/mcore.md: Likewise.
1578         * config/mips/mips.c: Likewise.
1579         * config/mips/mips.md: Likewise.
1580         * config/ns32k/ns32k.c: Likewise.
1581         * config/ns32k/ns32k.h: Likewise.
1582         * config/ns32k/ns32k.md: Likewise.
1583         * config/pa/pa.c: Likewise.
1584         * config/pa/pa.md: Likewise.
1585         * config/pdp11/pdp11.h: Likewise.
1586         * config/pdp11/pdp11.md: Likewise.
1587         * config/rs6000/rs6000.c: Likewise.
1588         * config/rs6000/rs6000.md: Likewise.
1589         * config/s390/s390-protos.h: Likewise.
1590         * config/s390/s390.c: Likewise.
1591         * config/s390/s390.md: Likewise.
1592         * config/sh/lib1funcs.asm: Likewise.
1593         * config/sh/sh.c: Likewise.
1594         * config/sh/sh.md: Likewise.
1595         * config/sh/t-sh: Likewise.
1596         * config/sparc/sparc.h: Likewise.
1597         * config/vax/vax.md: Likewise.
1598         * config/xtensa/xtensa.c: Likewise.
1599         * config/xtensa/xtensa.md: Likewise.
1600         * doc/invoke.texi: Likewise.
1601         * doc/md.texi: Likewise.
1602         * doc/rtl.texi: Likewise.
1603
1604 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
1605
1606         PR target/16407
1607         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
1608         * config/mips/mips.c (mips_declare_common_object): New function,
1609         mostly split out from...
1610         (mips_output_aligned_decl_common): ...here.
1611         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
1612         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
1613         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
1614         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
1615
1616 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1617
1618         PR c/16392
1619         * function.c (assign_parms): Fix typo from previous change.
1620
1621 2004-07-07  Jason Merrill  <jason@redhat.com>
1622
1623         PR c++/15815
1624         * doc/extend.texi (C++ Interface): Correct information and
1625         discourage use.
1626
1627 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
1628
1629         PR target/16130
1630         PR target/16142
1631         PR target/16143
1632         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
1633         insn.
1634
1635 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1636
1637         PR target/1679.
1638         * config/m32r/m32r.c (m32r_function_symbol): New function:
1639         Generate a symbol name RTX with the correct m32r specific flags
1640         set.
1641         (block_move_call): Use new function to generate correct symbol.
1642         * config/m32r/m32r-protos.h: Add prototype for new funcion.
1643         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
1644         function.
1645
1646 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1647
1648         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
1649         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
1650         TYPE_BINFO_BASETYPE): Remove.
1651         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
1652         to ...
1653         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
1654         here.
1655         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
1656         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
1657         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
1658         (struct tree_binfo): Rename base_types to base_binfos.
1659         * alias.c (record_component_aliases): Adjust BINFO macros.
1660         * dbxout.c (dbxout_type): Likewise.
1661         * dwarf2out.c (gen_member_die): Likewise.
1662         * sdbout.c (sdbout_one_type): Likewise.
1663         * tree-dump.c (deque_and_dump): Likewise.
1664         * config/i386/i386.c (classify_argument,
1665         contains_128bit_aligned_vector_p): Likewise.
1666
1667 2004-07-07  Nick Clifton  <nickc@redhat.com>
1668
1669         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
1670         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
1671
1672 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1673
1674         * vec.h: Fix the example use.
1675
1676 2004-07-06  Richard Henderson  <rth@redhat.com>
1677
1678         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
1679         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
1680         * tree-inline.c (copy_body_r, setup_one_parameter,
1681         initialize_inlined_parameters, expand_call_inline,
1682         declare_inline_vars): Don't check it.
1683         (expand_calls_inline): Remove old version, rename new version
1684         from gimple_expand_calls_inline.
1685         * tree-optimize.c (execute_gimple): Remove.
1686         (pass_gimple): Don't run anything.
1687
1688 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1689
1690         * doc/sourcebuild.texi: Use semicolons instead of commas in
1691         section title.
1692
1693 2004-07-06  Richard Henderson  <rth@redhat.com>
1694
1695         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
1696         (sra_walk_modify_expr, scan_init): Likewise.
1697         (generate_element_zero): Check visited before scanning children.
1698         (generate_element_init): Set visited on error.
1699         (scalarize_init): Handle generate_element_init failure similar
1700         to use_block_copy.
1701
1702 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1703
1704         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
1705         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
1706
1707 2004-07-06  Richard Henderson  <rth@redhat.com>
1708
1709         * config/i386/i386.c (legitimize_pic_address): Make static.
1710         (legitimize_address): Handle CONST with TLS operand.
1711         (ix86_expand_move): Don't call legitimize_pic_address directly.
1712         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
1713
1714 2004-07-06  Roger Sayle  <roger@eyesopen.com>
1715
1716         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
1717         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
1718         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
1719         is currently executed unconditionally, i.e. not in "else_bb".
1720
1721 2004-07-06  Steven Bosscher  <stevenb@suse.de>
1722
1723         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
1724         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1725         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
1726         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1727         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
1728         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1729         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
1730         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1731         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
1732         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1733         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
1734         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1735         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
1736         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1737         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
1738         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1739
1740 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
1741
1742         * dojump.c (do_jump): REFERENCE_EXPR is dead.
1743         * expr.c (expand_expr_real_1): Ditto.
1744         * tree-inline.c (estimate_num_insns_1): Ditto.
1745         * tree-pretty-print.c (dump_generic_node): Ditto.
1746         (op_symbol): Ditto.
1747         * tree.def: Ditto.
1748
1749 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
1750
1751         * tree-ssa-pre.c (reference_node_pool): New pool.
1752         (find_or_generate_expression): Class 'r' is okay too.
1753         (create_value_expr_from): Ditto.
1754         (add_to_sets): LHS should not include vuses.
1755         (eliminate): Ditto.
1756         (compute_avail): Reverse ordering of tests.
1757         Valuize INDIRECT_REF as well.
1758
1759 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
1760
1761         PR rtl-optimization/16380
1762         * loop.c (check_dbra_loop): Sink comparison instructions if they
1763         do something other than set cc0.
1764
1765 2004-07-06  James E Wilson  <wilson@specifixinc.com>
1766
1767         * doc/interface.texi (longjmp and automatic variables): Delete
1768         paragraph recommending taking the address of a variable.
1769
1770 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
1771
1772         * vec.h (VEC_embedded_alloc): Remove.
1773         (VEC_embedded_size, VEC_embedded_init): New.
1774         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
1775         MEM_STAT_INFO.
1776         (VEC_truncate): New.
1777         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
1778         (vec_embedded_alloc): Remove.
1779         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
1780         (vec_embedded_alloc): Remove.
1781
1782 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
1783
1784         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
1785         (gt-langhooks.h): Remove.
1786
1787 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
1788
1789         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
1790
1791 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1792
1793         * config/sparc/sparc.c (get_pc_symbol): Rename into
1794         add_pc_to_pic_symbol.
1795         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
1796         (load_pic_register): Account for previous changes.
1797         Use reg_names.  Don't create the label twice.
1798         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
1799         UNSPEC_LOAD_PCREL_SYM.
1800         (get_pc): Rename into load_pcrel_sym.  Add predicate to
1801         operands.  Remove condition.
1802
1803 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
1804
1805         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
1806         RECORD, UNION & QUAL_UNION is actually a binfo.
1807
1808         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
1809         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
1810         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
1811         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
1812         * dwarf2out.c (add_data_member_location_attribute): Likewise.
1813         (gen_inheritance_die): Likewise.
1814         * tree-dump.c (deque_and_dump): Likewise.
1815         * doc/c-tree.texi (Binfos): Add under reconstruction note.
1816
1817 2004-07-06  Steven Bosscher  <stevenb@suse.de>
1818
1819         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
1820         Define.
1821         * config/mcore/mcore.md: Model memory latency with a simple DFA
1822         pipeline description instead of a define_function_unit.
1823
1824 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1825
1826         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
1827         * langhooks.h (var_mod_type_p): Likewise.
1828         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
1829         * expr.c (count_type_elements): Properly handle return from
1830         array_type_nelts and properly test for overflow.
1831         * gimplify.c (gimplify_init_constructor): Properly handle return
1832         from array_type_nelts.
1833         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
1834         * integrate.c (copy_decl_for_inlining): Correct comments.
1835         * tree-inline.c (remap_decl): Update comments, remove dead code,
1836         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
1837         (remap_type): Only remap if variably modified by vars in function
1838         being inlined.
1839         (copy_body_r): Use compatible_type langhooks to see when can fold.
1840         (setup_one_parameter): Don't remap type.
1841         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
1842         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
1843         compute TREE_INVARIANT for decl case.
1844         (find_var_from_fn): New function.
1845         (variably_modified_type_p): Add arg and call new function.
1846         * tree.h (variably_modified_type_p): Add extra arg.
1847
1848 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1849
1850         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
1851         (goto_handler_and_restore_v9): Delete disabled insn.
1852         (goto_handler_and_restore_v9_sp64): Likewise.
1853
1854 2004-07-05  Roger Sayle  <roger@eyesopen.com>
1855
1856         * calls.c (load_register_parameters): Call expand_shift instead
1857         of expand_binop with ashl_optab (or other shift optab) directly.
1858         * expr.c (emit_group_load, emit_group_store): Likewise.
1859         * function.c (assign_parm_setup_block): Likewise.
1860         * stmt.c (shift_return_value): Likewise.
1861
1862 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
1863
1864         * expr.c (expand_assignment): Disable the bitfield += optimizations.
1865
1866 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1867
1868         * doc/sourcebuild.texi: Revert previous patch.
1869
1870 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1871
1872         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
1873         TARGET_MEM_FUNCTIONS.
1874         * system.h: Poison TARGET_MEM_FUNCTIONS.
1875         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
1876         bcmp_libfunc, bzero_libfunc): Remove.
1877         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
1878         bzero_libfunc.
1879         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
1880         * doc/standards.texi: Don't mention calling BSD string functions.
1881         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
1882         * config/vax/t-memfuncs: New.
1883         * config/memcmp.c, config/memcpy.c, config/memmove.c,
1884         config/memset.c: New.
1885         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
1886         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
1887         vax/t-memfuncs.
1888         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
1889         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
1890         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
1891         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
1892         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
1893         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
1894         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
1895         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
1896         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
1897         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
1898
1899 2004-07-05  Richard Henderson  <rth@redhat.com>
1900
1901         * function.c (assign_parm_setup_reg): Properly rename variables in
1902         FUNCTION_ARG_CALLEE_COPIES section.
1903
1904 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
1905
1906         * tree-mudflap.c: Include cgraph.h.
1907         (mf_init_extern_trees): Rename to mudflap_init.  Export.
1908         Rewrite to create synthetic declarations instead of looking
1909         up declarations from mf-runtime.h.
1910         (mf_make_builtin, mf_make_cache_struct_type): New functions.
1911         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
1912         Correct commentary.
1913         (execute_mudflap_function_decls, mudflap_register_call):
1914         Don't call mf_init_extern_trees.
1915         (mudflap_finish_file): Use cgraph_build_static_cdtor.
1916
1917         * tree-mudflap.h: Update prototypes.
1918         * c-mudflap.c: Delete file.
1919         * c-common.c: Include tree-mudflap.h.
1920         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
1921         * Makefile.in: Remove all references to c-mudflap.o.
1922         Update dependencies.
1923
1924 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1925
1926         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
1927         displacements with the spatial-locality cache-control completer.
1928
1929 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
1930
1931         * langhooks.c: Don't include gt-langhooks.h.
1932         (var_labelno): Delete.
1933         (lhd_set_decl_assembler_name): Do not append a distinguishing
1934         number to file-scope internal-linkage declarations for the first
1935         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
1936         the declaration itself (if at block scope), or its containing
1937         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
1938         number.
1939
1940         * opts.c (cur_in_fname): New global.
1941         * opts.h: Declare it.
1942         * tree.c: Include opts.h.
1943         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
1944         DECL_UID equal to cur_in_fname.
1945         (copy_node_stat): Do not change DECL_UID when copying a
1946         TRANSLATION_UNIT_DECL.
1947         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
1948         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
1949
1950         * c-decl.c (c_static_assembler_name): Delete.
1951         * c-tree.h (c_static_assembler_name): Delete prototype.
1952         * c-lang.c, objc/objc-lang.c: Don't override
1953         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
1954
1955         * Makefile.in (tree.o): Update dependencies.
1956         (GTFILES): Remove langhooks.c.
1957
1958 2004-07-05  Roger Sayle  <roger@eyesopen.com>
1959
1960         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
1961         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
1962         Normalize "X % C" as "X % -C" for signed modulus and negative C.
1963         Optimize "X % -Y" as "X % Y" for signed modulus.
1964         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
1965         into "((unsigned) X % Y) == 0".
1966
1967 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1968
1969         * sourcebuild.texi (Config Fragments): Use @comma{} in
1970         cross-reference to section title.
1971
1972 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1973
1974         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
1975         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
1976         (gimplify_target_expr, gimplify_expr): Likewise.
1977         (copy_if_shared_r): No longer need special case for BIND_EXPR.
1978         (unshare_body, unvisit_body): Only look at nested if BODY_P is
1979         whole function.
1980         (gimplify_compound_lval): See if we can strip any useless conversion.
1981         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
1982         from RHS, not LHS.
1983         (gimplify_modify_expr_to_memset): Likewise.
1984         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
1985         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
1986         (declare_inline_vars): Likewise.
1987         (walk_type_fields): New function.
1988         (walk_tree): Use it.
1989         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
1990
1991         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
1992         (sra_walk_modify_expr): Allow init function to fail.
1993         (scan_init): Now returns bool.
1994         (generate_element_init): If can't understand INIT, return false.
1995         (scalarize_init): Return false if generate_element_init does.
1996
1997         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
1998         print bounds.
1999
2000         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
2001         bounds if bounds aren't constant.
2002
2003         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
2004
2005         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
2006         to type hooks; remove bogus PARAMS.
2007
2008 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
2009
2010         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
2011         * dwarf2out.c (add_data_member_location_attribute): Check for
2012         TREE_BINFO.
2013         * tree.c (tree_node_kinds): Add "binfos".
2014         (binfo_lang_slots): New.
2015         (make_node_stat): Add TREE_BINFO.
2016         (make_tree_binfo_stat): New.
2017         (tree_node_structure): Add TREE_BINFO.
2018         * tree.def (TREE_BINFO): New.
2019         * tree.h (REC_OR_UNION_CHECK): Rename to ...
2020         (RECORD_OR_UNION_CHECK): ... here.
2021         (NOT_RECORD_OR_UNION_CHECK): New.
2022         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
2023         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
2024         RECORD_OR_UNION_CHECK.
2025         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
2026         (TYPE_LANG_SLOT_1): New.
2027         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
2028         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
2029         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
2030         (BINFO_ELTS): Remove.
2031         (BINFO_LANG_SLOT): New.
2032         (struct tree_binfo): New.
2033         (binfo_lang_slots): Declare.
2034         (enum tree_node_structure_enum): Add TS_BINFO.
2035         (union tree_node): Add binfo.
2036         (make_tree_binfo_stat): Declare.
2037         (make_tree_binfo): New.
2038         (enum tree_node_kind): Add binfo_kind.
2039
2040         * objc/objc-act.c (start_class, objc_declare_protocols,
2041         start_protocols): Use TYPE_LANG_SLOT_1.
2042         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
2043         to ...
2044         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
2045         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
2046         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
2047         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
2048
2049 2004-07-05  Steven Bosscher  <stevenb@suse.de>
2050
2051         * rtl.h (struct rtx_def): Remove the integrated flag.
2052         Use the return_val flag for MEM_SCALAR_P.
2053         Reshuffle and update flags in CLEAR_RTX_FLAGS.
2054
2055 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
2056
2057         PR target/16357
2058         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
2059         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
2060         move_by_pieces.
2061
2062 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
2063
2064         * var-tracking.c: Fix some comments.
2065         (frame_stack_adjust): New.
2066         (vt_stack_adjustments): Init stack_adjust of entry block to
2067         minus stack adjustment of function prologue.
2068         (adjust_stack_reference): Do not adjust if adjustment == 0.
2069         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
2070         (emit_notes_in_bb): Likewise.
2071         (vt_add_function_parameters): Do not adjust locations of
2072         function arguments.
2073         (vt_initialize): Compute the stack adjustment of function
2074         prologue and offset the initial "location" of frame_base_decl
2075         from the stack pointer after prologue.
2076
2077 2004-07-04  Richard Henderson  <rth@redhat.com>
2078
2079         * function.c (struct assign_parm_data_all): New.
2080         (struct assign_parm_data_one): New.
2081         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
2082         assign_parm_find_data_types, assign_parms_setup_varargs,
2083         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
2084         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
2085         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
2086         assign_parm_setup_block, assign_parm_setup_reg,
2087         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
2088         (assign_parms): ... here.
2089
2090 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
2091
2092         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
2093         now are bitmap_set_t's.
2094         (bitmap_insert_into_set): No point in inserting the value if
2095         it's invariant.
2096         (bitmap_set_contains): New function.
2097         (bitmap_set_replace_value): Add comment on why we do it
2098         this way.
2099         (set_contains): Removed.
2100         (bitmap_set_subtract_from_value_set): New name of
2101         set_subtract now that it's arguments are two different
2102         types of sets.
2103         Update callers.
2104         (bitmap_find_leader): Change algorithm used.
2105         (find_or_generate_expression): Update use of functions for new
2106         bitmap sets.
2107         (create_expression_by_pieces): Ditto.
2108         (insert_aux): Ditto.
2109         (insert): Ditto.
2110         (add_to_sets): Ditto.
2111         (init_pre): Ditto.
2112         (execute_pre): Ditto.
2113         (compute_avail): Ditto.
2114         Also ignore virtual phis.
2115
2116 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2117
2118         * combine.c (simplify_comparison): Fix comment typo.
2119
2120 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2121
2122         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
2123         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
2124         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
2125         (output_restore): Change parameter from 'insn' to 'pat'.
2126         (output_return): Adjust call to output_restore.
2127         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
2128         Adjust call to output_restore.
2129
2130 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2131
2132         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
2133         and assert system is bsd.
2134
2135 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2136
2137         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
2138         (TARGET_SWITCHES): Remove -mdebugc.
2139         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2140         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
2141         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
2142         (sle_[sd]i_reg): Delete.
2143
2144 2004-07-04  Steven Bosscher  <stevenb@suse.de>
2145
2146         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2147         Define.
2148         * config/iq2000/iq2000.md: Translate old pipeline description to an
2149         equivalent new one.
2150
2151 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2152
2153         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
2154         Ensure the replacement rhs is valid gimple before performing
2155         the substitution.  Return false if these sanity checks fail.
2156         (fold_stmt): Only set changed to true, if set_rhs returns true.
2157         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
2158         succeeds.
2159
2160 2004-07-04  Richard Henderson  <rth@redhat.com>
2161
2162         PR c/16348
2163         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
2164
2165 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
2166
2167         * configure.ac (ranlib_flags): New variable.
2168         * Makefile.in (RANLIB_FLAGS): New variable.
2169         (libbackend.a): Use it.
2170         * configure: Regenerated.
2171
2172 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2173
2174         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
2175         a "sign mask" instead of using ashr_optab directly.
2176
2177 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2178
2179         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
2180         * doc/cppopts.texi: Clarify processing of command-line defines.
2181
2182 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
2183
2184         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
2185
2186 2004-07-04  Richard Henderson  <rth@redhat.com>
2187
2188         * rtl.def (ADDRESSOF): Remove.
2189         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
2190         (find_base_term, memrefs_conflict_p): Likewise.
2191         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
2192         (fold_rtx, cse_insn, set_live_p): Likewise.
2193         * dwarf2out.c (mem_loc_descriptor): Likewise.
2194         (add_location_or_const_value_attribute): Likewise.
2195         * emit-rtl.c (copy_insn_1): Likewise.
2196         * explow.c (memory_address): Likewise.
2197         * expmed.c (store_split_bit_field): Likewise.
2198         * expr.c (expand_expr_real_1): Likewise.
2199         * function.c (instantiate_decl
2200         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
2201         * genrecog.c (preds, validate_pattern): Likewise.
2202         * integrate.c (copy_rtx_and_substitute): Likewise.
2203         * recog.c (general_operand, register_operand): Likewise.
2204         (memory_address_p): Likwise.
2205         * reload1.c (eliminate_regs, elimination_effects): Likewise.
2206         * rtl.c (copy_rtx): Likewise.
2207         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2208         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
2209         * rtlhooks.c (gen_lowpart_general): Likewise.
2210         * stmt.c (expand_asm_operands): Likewise.
2211         * web.c (entry_register, replace_ref, web_main): Likewise.
2212         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
2213         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2214         * config/arm/arm.c (thumb_rtx_costs): Likewise.
2215         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
2216         * config/frv/frv.c (move_destination_operand, move_source_operand,
2217         condexec_dest_operand, condexec_source_operand,
2218         condexec_memory_operand): Likewise.
2219         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
2220         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
2221         (destination_xfmode_operand): Likewise.
2222         * config/mips/mips.h (PREDICATE_CODES): Likewise.
2223         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
2224         * config/s390/s390.c (general_s_operand): Likewise.
2225         * config/s390/s390.md (mov*): Likewise.
2226         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
2227
2228         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
2229         * expr.c (expand_expr_real_1): Likewise.
2230         * stmt.c (expand_decl): Likewise.
2231         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2232
2233         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
2234         postponed_insns, put_var_into_stack, put_reg_into_stack,
2235         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
2236         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
2237         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
2238         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
2239         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
2240         purge_bitfield_addressof_replacements, purge_addressof_replacements,
2241         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
2242         struct insns_for_mem_walk_info, insns_for_mem_walk,
2243         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
2244         setjmp_protect_args): Remove.
2245         (push_function_context_to): Don't handle var_refs_queue.
2246         (pop_function_context_from, free_after_compilation): Likewise.
2247         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
2248         (assign_parms, allocate_struct_function): Likewise.
2249         (use_register_for_decl): New.
2250         (expand_function_end): Don't setjmp_protect.
2251         * function.h (struct emit_status): Update commentary.
2252         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
2253         (max_parm_reg, parm_reg_stack_loc): Remove.
2254         * passes.c (DFI_addressof): Remove.
2255         (dump_file_info): Remove addressof.
2256         (rest_of_handle_addressof): Remove.
2257         (rest_of_compilation): Don't call it.
2258         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
2259         * stmt.c (expand_decl): Use use_register_for_decl.
2260         * tree.h: Update decls.
2261         * web.c (mark_addressof): Remove.
2262         * doc/invoke.texi (-dF): Remove.
2263
2264 2004-07-03  Richard Henderson  <rth@redhat.com>
2265
2266         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
2267         instead of gen_mem_addressof.
2268         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
2269         TImode output register.
2270
2271 2004-07-03  Richard Henderson  <rth@redhat.com>
2272
2273         PR tree-optimization/16341
2274         * tree-sra.c (sra_walk_function): Increment to next stmt before
2275         processing the current stmt.
2276         (sra_insert_after): Always use BSI_SAME_STMT.
2277
2278 2004-07-03  Richard Henderson  <rth@redhat.com>
2279
2280         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
2281         fp plus with minus.
2282
2283 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2284
2285         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
2286         with tree_int_cst_equal.
2287
2288 2004-07-03  Andreas Schwab  <schwab@suse.de>
2289
2290         * config/ia64/ia64.md: Define new attribute "empty".
2291         (prologue_use, nop_x, insn_group_barrier): Set it.
2292
2293         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
2294         skip over "empty" insns.
2295
2296 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2297
2298         * tree-inline.c (initialize_inlined_parameters): Pass proper function
2299         context to gimplify_body.
2300         (walk_tree): Don't walk into types twice.
2301         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
2302
2303         * tree-sra.c (generate_element_init): Remove any useless conversions.
2304
2305         * gimplify.c (gimplify_conversion): Remove stripping useless
2306         conversions from here.
2307         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
2308         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
2309         Unshare before substituting PLACEHOLDER_EXPR.
2310         (gimplify_modify_expr_to_memset): Likewise.
2311         Pass address of TO to memset, not TO itself.
2312         (gimplify_init_constructor): Make copy of OBJECT so we have it each
2313         time we make an expression (to match a PLACEHOLDER_EXPR).
2314
2315         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
2316         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
2317         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
2318         * tree-ssa-dom.c (local_fold): Likewise.
2319
2320         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
2321         * langhooks.h (strct lang_hooks): New field type_max_size.
2322         * function.c (assign_temp): Call it.
2323
2324 2004-07-03  Steven Bosscher  <stevenb@suse.de>
2325
2326         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
2327         * config/sh/sh.md: Convert the SH1 pipeline description to
2328         a DFA model.
2329
2330 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
2331
2332         * c-decl.c (struct c_binding): Remove contour field; add
2333         depth, invisible, nested fields.
2334         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
2335         (B_IN_EXTERNAL_SCOPE): New convenience macros.
2336         (bind): Add invisible and nested arguments. Initialize
2337         new fields of struct c_binding; adjust loop scanning for
2338         insertion point.
2339         (free_binding_and_advance): Clear structure with memset.
2340         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
2341         in file scope, even if it's in external scope too.
2342         (pushdecl): Adjust to match.  Create invisible file-scope
2343         declarations for block-scope forward declarations of static functions.
2344         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
2345         (undeclared_variable, lookup_label, declare_label, define_label)
2346         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
2347         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
2348         (store_parm_decls_oldstyle): Adjust to match.
2349         (diagnose_mismatched_decls): Correct handling of linkage clashes.
2350         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
2351
2352         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
2353         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
2354
2355 2004-07-02  Richard Henderson  <rth@redhat.com>
2356
2357         * c-decl.c (grokdeclarator): Don't frob current_function_decl
2358         around variable_size.
2359         (set_decl_nonlocal): Remove.
2360         (store_parm_decls): Add stmts for pending sizes.
2361         * calls.c (calls_function, calls_function_1): Remove.
2362         (precompute_arguments): Don't call it.
2363         * cfgexpand.c (set_save_expr_context): Remove.
2364         (tree_expand_cfg): Don't call it.
2365         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
2366         (dwarf2out_finish): Likewise.
2367         * expr.c (emit_block_move): Adjust addresses to BLKmode.
2368         (store_constructor): Don't pre-evaluate SAVE_EXPR.
2369         (safe_from_p): Don't queue SAVE_EXPRs.
2370         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
2371         or build plain VAR_DECLs.
2372         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
2373         (fold): Likewise.
2374         (fold_checksum_tree): Don't special-case SAVE_EXPR.
2375         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
2376         (put_var_into_stack): Don't handle SAVE_EXPR.
2377         (gen_mem_addressof): Likewise.
2378         * function.h (struct function): Remove x_save_expr_regs.
2379         (save_expr_regs): Remove.
2380         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
2381         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
2382         * stor-layout.c (variable_size): Don't set it.
2383         (force_type_save_exprs, force_type_save_exprs_1): Remove.
2384         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
2385         all callers.  Don't set SAVE_EXPR_CONTEXT.
2386         * tree-inline.h (remap_save_expr): Update decl.
2387         * tree.c (save_expr): Update build size.
2388         (first_rtl_op): Don't handle SAVE_EXPR.
2389         (unsave_expr_1, contains_placeholder_p): Likewise.
2390         (decl_function_context): Likewise.
2391         * tree.def (SAVE_EXPR): Remove args 1 and 2.
2392         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
2393         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
2394
2395 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2396
2397         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
2398         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
2399         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
2400         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
2401         some first-person references and patronizing comments.  Based on
2402         printed manual.
2403         * doc/invoke.texi: Don't reference fortran@gnu.org.
2404         * doc/trouble.texi (Warning when a non-void function value is
2405         ignored): Rewrite.  From Russ Allbery and Chris Devers.
2406
2407 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
2408
2409         * tree-ssa-pre.c (bitmap_set_t): New.
2410         (bb_value_sets): avail_out is now a bitmap_set_t.
2411         (bitmap_find_leader): New function.
2412         (bitmap_value_insert_into_set): Ditto.
2413         (bitmap_set_copy): Ditto.
2414         (bitmap_value_replace_in_set): Ditto.
2415         (bitmap_set_contains_value): Ditto.
2416         (bitmap_set_new): Ditto.
2417         (bitmap_set_pool): New pool.
2418         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
2419         (insert_aux): Ditto.
2420         (add_to_sets): Ditto.
2421         (compute_avail): Ditto
2422         (eliminate): Ditto.
2423         (init_pre): Ditto.
2424         (fini_pre): Ditto.
2425         (execute_pre): Ditto.
2426
2427 2004-07-02  Roger Sayle  <roger@eyesopen.com>
2428
2429         * config/rs6000/rs6000.c (struct processor_costs): New structure
2430         used to hold instruction latencies/sizes for processor types.
2431         (rs6000_cost): New global variable pointing to current CPU's costs.
2432         (rs6000_override_options): Initialize rs6000_cost to point to the
2433         appropriate cost table based upon rs6000_cpu and optimize_size.
2434         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
2435         timings inline.
2436
2437 2004-07-02  Richard Henderson  <rth@redhat.com>
2438
2439         * expmed.c (make_tree): Don't use SET_DECL_RTL.
2440
2441 2004-07-02  Steven Bosscher  <stevenb@suse.de>
2442
2443         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
2444
2445 2004-07-01  Richard Henderson  <rth@redhat.com>
2446
2447         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
2448         (alpha_gp_save_rtx): Use assign_stack_local instead of
2449         gen_mem_addressof.
2450
2451 2004-07-01  Richard Henderson  <rth@redhat.com>
2452
2453         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
2454         (alpha_rtx_cost_data): Update to match.
2455         (alpha_rtx_cost_size): New.
2456         (alpha_rtx_costs): Honor optimize_size.
2457
2458 2004-07-01  Richard Henderson  <rth@redhat.com>
2459
2460         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
2461         * cfgexpand.c (tree_expand_cfg): Do it here.
2462         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
2463         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
2464         * config/mips/mips.c (mips_output_mi_thunk): And here.
2465         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
2466         * config/sh/sh.c (sh_output_mi_thunk): And here.
2467         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
2468
2469 2004-07-01  Richard Henderson  <rth@redhat.com>
2470
2471         * tree.def (RTL_EXPR): Remove.
2472         * c-typeck.c (lvalue_p): Don't handle it.
2473         * expr.c (safe_from_p): Likewise.
2474         (expand_expr_real_1): Likewise.
2475         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
2476         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
2477         * gengtype.c (adjust_field_tree_exp): Likewise.
2478         * stmt.c (warn_if_unused_value): Likewise.
2479         * tree-gimple.c (recalculate_side_effects): Likewise.
2480         * tree-pretty-print.c (dump_generic_node): Likewise.
2481         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
2482         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
2483         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
2484
2485         * stmt.c (struct stmt_status): Remove x_last_expr_type,
2486         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
2487         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
2488         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
2489         all the bits that tracked last_expr.
2490         (expand_end_bindings): Don't track last_expr.
2491         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
2492         (clear_last_expr): Remove.
2493         (expand_asm): Don't call it.
2494         (expand_asm_operands, expand_end_cond): Likewise.
2495         (expand_naked_return, expand_null_return_1): Likewise.
2496         * c-typeck.c (c_begin_compound_stmt): Likewise.
2497         * cfgexpand.c (expand_block): Use expand_expr_stmt.
2498         * expr.c (expand_expr_real_1): Likewise.
2499         * tree.h: Update prototypes.
2500
2501         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
2502         (struct emit_status): Remove sequence_rtl_expr.
2503         (struct function): Remove x_rtl_expr_chain.
2504         (seq_rtl_expr, rtl_expr_chain): Remove.
2505         * function.c (struct temp_slot): Remove rtl_expr.
2506         (assign_stack_temp_for_type): Don't set it.
2507         (free_temp_slots, pop_temp_slots): Don't check it.
2508         (free_after_compilation): Don't clear x_rtl_expr_chain.
2509         (fixup_var_refs): Don't search it.
2510         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
2511         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
2512         or seq_rtl_expr.
2513         (push_topmost_sequence): Likewise.
2514         (end_sequence, init_emit): Likewise.
2515         (start_sequence_for_rtl_expr): Remove.
2516         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
2517         * rtl.h (preserve_rtl_expr_result): Remove.
2518
2519 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
2520
2521         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
2522         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
2523         typos.
2524
2525 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2526
2527         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
2528         (STANDARD_STARTFILE_PREFIX_2): Define.
2529         (standard_startfile_prefix_1): Initialize to
2530         STANDARD_STARTFILE_PREFIX_1.
2531         (standard_startfile_prefix_2): Initialize to
2532         STANDARD_STARTFILE_PREFIX_2.
2533         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
2534         (STANDARD_STARTFILE_PREFIX_1): Define.
2535         (STANDARD_STARTFILE_PREFIX_2): Define.
2536         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
2537         (STANDARD_STARTFILE_PREFIX_2): Document.
2538
2539 2004-07-01  Richard Henderson  <rth@redhat.com>
2540
2541         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
2542         in order to disable scalarization.  Instead set a flag and wait
2543         for a candidate decl.
2544
2545 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2546
2547         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
2548         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
2549         Use terminology "testsuite" and "enumerated".
2550
2551 2004-07-01  Richard Henderson  <rth@redhat.com>
2552
2553         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
2554         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
2555         (initial_return_save): Likewise.
2556         (flush_queued_reg_saves): Remap register numbers.
2557         (dwarf2out_return_reg): Likewise.
2558
2559 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2560
2561         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
2562
2563         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
2564         access functions for lower bound and element size and only output
2565         if lower bound nonzero or element size not same as that of type.
2566         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
2567
2568 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2569
2570         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
2571
2572 2004-07-01  Per Bothner  <per@bothner.com>
2573
2574         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
2575
2576 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
2577
2578         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
2579         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
2580         first operand.  Don't optimize if the bitfield is volatile.
2581
2582 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2583
2584         * c-pretty-print.c (pp_c_postfix_expression): Handle
2585         floating-point comparison operators.
2586         (pp_c_expression): Pass floating-point comparison
2587         operators to pp_c_postfix_expression.
2588
2589 2004-07-01  Roger Sayle  <roger@eyesopen.com>
2590
2591         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
2592         rtx_cost instead of "had_mult" to determine whether the transformed
2593         expression is cheaper than the original.
2594
2595 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
2596
2597         * alias.c (get_alias_set, canon_rtx, get_addr,
2598         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
2599         Use MEM_P.
2600         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
2601         expand_builtin): Likewise.
2602         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
2603         Likewise.
2604         * combine.c (can_combine_p, combinable_i3pat, try_combine,
2605         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
2606         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
2607         record_dead_and_set_regs_1, get_last_value_validate,
2608         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
2609         * cse.c (check_dependence, canon_hash, equiv_constant,
2610         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
2611         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
2612         count_reg_usage): Likewise.
2613         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
2614         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
2615         cselib_record_sets): Likewise.
2616         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
2617         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
2618         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
2619         * df.c (df_uses_record): Likewise.
2620         * dojump (do_jump): Likewise.
2621         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
2622         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
2623         decl_start_label): Likewise.
2624         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
2625         operand_subword, change_address_1, make_safe_from): Likewise.
2626         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
2627         stabilize, force_not_mem): Likewise.
2628         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
2629         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
2630         * expr.c (convert_move, convert_modes, emit_block_move,
2631         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
2632         emit_move_insn_1, expand_assignment, store_expr,
2633         store_constructor_field, store_constructor, store_field,
2634         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
2635         Likewise.
2636         * final.c (cleanup_subreg_operands, alter_subreg,
2637         get_mem_expr_from_op): Likewise.
2638         * flow.c (notice_stack_pointer_modification_1,
2639         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
2640         Likewise.
2641         * function.c (mark_temp_addr_taken, preserve_temp_slots,
2642         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
2643         optimize_bit_field, flush_addressof, purge_addressof_1,
2644         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
2645         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
2646         keep_stack_depressed): Likewise.
2647         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
2648         noce_process_if_block, find_memory): Likewise.
2649         * integrate.c (subst_constants, allocate_initial_values): Likewise.
2650         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
2651         update_equiv_regs): Likewise.
2652         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
2653         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
2654         * optabs.c (expand_abs, emit_unop_insn): Likewise.
2655         * passes.c (rest_of_handle_final): Likewise.
2656         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
2657         move2add_note_store): Likewise.
2658         * ra-build.c (detect_remat_webs): Likewise.
2659         * ra-debug.c (dump_static_insn_cost): Likewise.
2660         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
2661         * recog.c (validate_change, apply_change_group, cancel_changes,
2662         validate_replace_rtx_1, general_operand, register_operand,
2663         nonmemory_operand, push_operand, pop_operand, memory_operand,
2664         indirect_operand, asm_operand_ok, offsettable_memref_p,
2665         offsettable_nonstrict_memref_p, constrain_operands,
2666         store_data_bypass_p): Likewise.
2667         * reg-stack.c (subst_stack_regs_pat): Likewise.
2668         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
2669         copy_cost, reg_scan_mark_refs): Likewise.
2670         * regmove.c (optimize_reg_copy_3, stack_memref_p,
2671         combine_stack_adjustments_for_block): Likewise.
2672         * regrename.c (copyprop_hardreg_forward_1): Likewise.
2673         * reload.c (can_reload_into, push_reload, decompose, immune_p,
2674         find_reloads, find_reloads_address, find_reloads_address_1,
2675         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
2676         find_equiv_reg): Likewise.
2677         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
2678         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
2679         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
2680         delete_address_reloads): Likewise.
2681         * resource.c (mark_referenced_resources): Likewise.
2682         * rtlanal.c (get_jump_table_offset, count_occurrences,
2683         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
2684         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
2685         num_sign_bit_copies1): Likewise.
2686         * rtlhooks.c (gen_lowpart_general): Likewise.
2687         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
2688         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
2689         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
2690         sdbout_global_decl): Likewise.
2691         * simplify-rtx.c (simplify_subreg): Likewise.
2692         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
2693         expand_anon_union_decl, expand_end_case_type): Likewise.
2694         * unroll.c (calculate_giv_inc): Likewise.
2695         * var-tracking.c (stack_adjust_offset_pre_post,
2696         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
2697         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
2698         vt_add_function_parameters): Likewise.
2699         * varasm.c (make_var_volatile, notice_global_symbol,
2700         assemble_external, decode_addr_const, mark_weak,
2701         default_encode_section_info): Likewise.
2702
2703 2004-07-01  Steven Bosscher  <stevenb@suse.de>
2704
2705         * stmt.c (check_seenlabel): Remove.
2706         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
2707
2708 2004-07-01  Richard Henderson  <rth@redhat.com>
2709
2710         * function.h (struct function): Remove x_function_call_count.
2711         (function_call_count): Remove.
2712         * calls.c (expand_call): Don't set it.
2713         * integrate.c (copy_rtx_and_substitute): Likewise.
2714
2715         * function.h (struct function): Remove x_cleanup_label.
2716         (cleanup_label): Remove.
2717         * stmt.c (expand_value_return): Don't use it.
2718         * function.c (free_after_compilation): Don't set it.
2719         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
2720         * cfgexpand.c (tree_expand_cfg): Update call.
2721         * tree.h (expand_function_start): Update decl.
2722
2723 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2724
2725         PR c/1027
2726         * c-lang.c (c_initialize_diagnostics): Move from here ...
2727         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
2728         (c_tree_printer): Use pretty-printer to format %T.
2729         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
2730         before '*' if not C++.
2731         (pp_c_direct_abstract_declarator): Don't try to print array upper
2732         bound for flexible array members.
2733         * c-tree.h: Include "diagnostic.h".
2734         (c_initialize_diagnostics): Declare.
2735         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
2736         * c-format.c (format_type_warning): New function.  Improve
2737         diagnostics for incorrect format argument types.
2738         (check_format_types): Use it.  Add two parameters.  Use the
2739         TYPE_MAIN_VARIANT of wanted_type.
2740         (check_format_info_main): Pass new parameters to
2741         check_format_types.
2742         (struct format_wanted_type): Update comment.
2743
2744 2004-07-01  Nick Clifton  <nickc@redhat.com>
2745
2746         * target.h (struct gcc_target): Add new field to struct cxx:
2747         import_export_class.
2748         * target-def.h (TARGET_CXX): Initialise the new field.
2749         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
2750         the new field.
2751         * doc/tm.texi: Document the new target hook.
2752
2753 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2754
2755         * builtins.c (fold_builtin_classify): Fix typo.
2756
2757 2004-07-01  Richard Henderson  <rth@redhat.com>
2758
2759         * function.c (identify_blocks, identify_blocks_1): Remove.
2760         * function.h (identify_blocks): Remove.
2761         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
2762
2763 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2764
2765         * builtins.c (fold_builtin_classify): New.
2766         (fold_builtin_unordered_cmp): Fix commentary.
2767         (fold_builtin): Use it.
2768         * builtins.def: Define builtins for isnan,
2769         isnanf, isnanl, finite, finitef, finitel,
2770         isinf, isinff, isinfl.
2771
2772 2004-07-01  Richard Henderson  <rth@redhat.com>
2773
2774         * function.h (struct function): Remove dont_emit_block_notes.
2775         * gimple-low.c (lower_function_body): Don't set it.
2776         * cfgexpand.c (expand_block): Don't check it.
2777         * cfglayout.c (insn_locators_initialize): Likewise.
2778         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
2779         * passes.c (rest_of_compilation): Likewise.
2780         * stmt.c (expand_start_bindings_and_block): Likewise.
2781         (expand_end_bindings): Likewise.
2782
2783 2004-07-01  Richard Henderson  <rth@redhat.com>
2784
2785         * cgraph.h (cgraph_build_static_cdtor): Declare.
2786         * cgraphunit.c (cgraph_build_static_cdtor): New.
2787         * c-objc-common.c (build_cdtor): Use it.
2788         * coverage.c (create_coverage): Likewise.
2789         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
2790         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
2791
2792 See ChangeLog.11 for earlier changes.