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1 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         PR target/16477
4         * pa.c (function_arg): Update comment.
5         * pa.h (BLOCK_REG_PADDING): Define.
6
7 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8
9         PR tree-optimization/16461
10         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
11         arguments of phi nodes.
12
13 2004-07-12  Devang Patel  <dpatel@apple.com>
14
15         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
16         
17 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
18
19         * function.c (expand_function_start): Ensure r_save is in Pmode.
20         * calls.c (prepare_call_address): Ensure static_chain_value is
21         in Pmode.
22         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
23         r_save_area are in Pmode.
24         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
25         fnaddr, and static_chain are in Pmode.
26
27 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
28
29         PR target/16445
30         * config/ia64/ia64.c (bundling): Don't count ignored insns.
31
32 2004-07-12  Richard Henderson  <rth@redhat.com>
33
34         * target.h (struct gcc_target): Move gimplify_va_arg_expr
35         next to build_builtin_va_list.
36         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
37         * builtins.c (gimplify_va_arg_expr): Likewise.
38         * gimplify.c (copy_if_shared_r): Likewise.
39
40 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
41
42         * passes.c (rest_of_decl_compilation): Don't defer call of
43         assemble_variable if its DECL_RTL is already set.
44
45 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
46
47         * cfgloop.h (struct loop): Add nb_iterations field.
48         (current_loops): Declare.  
49         * tree-chrec.c (chrec_not_analyzed_yet,
50         chrec_dont_know, chrec_known, count_ev_in_wider_type,
51         chrec_contains_symbols_defined_in_loop): Remove the temporary
52         hooks. 
53         * tree-flow-inline.h (loop_containing_stmt): New function.
54         * tree-scalar-evolution.c: Add implementation.
55         * tree-scalar-evolution.h: Add declarations.
56
57 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
58
59         PR rtl-optimization/15921
60         * Makefile.in (global.o): Add recog.h.
61         
62         * global.c (recog.h): Add the include-clause.
63         (bb_info): New member earlyclobber.
64         (allocate_bb_info, free_bb_info): Initialize/finish the new
65         member.
66         (earlyclobber_regclass, earlyclobber_regclass_length): The new
67         global variables.
68         (check_earlyclobber, regclass_intersect,
69         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
70         New functions.
71         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
72         (make_accurate_live_analysis): Modify pavin.
73         
74 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
75
76         * tree-cfg.c (find_taken_edge): Statically compute the truth
77         value of a predicate comparing an SSA_NAME to itself.
78
79 2004-07-12  Roger Sayle  <roger@eyesopen.com>
80
81         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
82         rs6000 doesn't have shift-and-add or shift-and-sub instructions
83         by returning the cost of a multiplication plus an addition.
84
85 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
86
87         PR tree-optimization/14107
88         * gimplify.c (gimplify_return_expr): Accept a
89         RETURN_EXPR with an error argument.
90         * tree-optimize.c (init_tree_optimization_passes):
91         Run pass_warn_function_return at -O0.
92
93 2004-07-12  Roger Sayle  <roger@eyesopen.com>
94
95         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
96         index entry.
97
98 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
99
100         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
101         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
102         * config/mips/3000.md: Add copyright notice.  Remove automota and
103         function units; use generic ones instead.  Only define reservations
104         for things that are different from generic.md.  Extend each clause
105         to include r3900.
106         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
107         * config/mips/mips.md: Include them. Remove define_function_units.
108         (alu, imuldiv): New automata and units.
109
110 2004-07-12  Ben Elliston  <bje@au.ibm.com>
111
112         * doc/invoke.texi (Optimize Options): Document -frename-registers
113         not being enabled by default at -O3.
114
115 2004-07-11  Roger Sayle  <roger@eyesopen.com>
116
117         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
118         floating point additions, to keep real immediate constant positive.
119         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
120         into X + C, and leave positive real constants as X - C.
121
122 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
123
124         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
125
126 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
127
128         PR tree-optimization/15654
129         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
130
131 2004-07-11  Roger Sayle  <roger@eyesopen.com>
132
133         * builtins.c (fold_builtin_fputs): Don't bother converting the
134         return type to integer_type_node, as we've already checked that
135         the result will be ignored.
136
137         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
138         that signed addition, subtraction, multiplication, division,
139         remainder, negation and absolute value may potentially trap.
140
141         * fold-const.c (fold_ignored_result): New function to strip
142         non-side-effecting tree nodes from an expression whose result
143         is ignored.
144         (fold_convert): Call fold_ignored_result when casting a value
145         to VOID_TYPE.
146         (omit_one_operand):  Call fold_ignored_result on the "omitted"
147         operand when building a COMPOUND_EXPR.
148         (pedantic_omit_one_operand): Likewise.
149         * tree.h (fold_ignored_result): Prototype here.
150         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
151         when we're going to ignore the result.
152
153 2004-07-11  Richard Henderson  <rth@redhat.com>
154
155         PR tree-opt/16383
156         * tree-ssa-ccp.c (fold_stmt_r): Split out...
157         * tree.c (fields_compatible_p, find_compatible_field): ... new.
158         * tree.h (fields_compatible_p, find_compatible_field): Declare.
159         * tree-sra.c (sra_hash_tree): Hash fields by offset.
160         (sra_elt_eq): Use fields_compatible_p.
161         (generate_one_element_ref): Use find_compatible_field.
162
163 2004-07-11  Richard Henderson  <rth@redhat.com>
164
165         PR tree-opt/16422
166         * tree-sra.c (generate_one_element_init): New.
167         (generate_element_init): Use it.
168         (scalarize_init): Push/pop gimplify context around it.
169         (find_new_referenced_vars_1, find_new_referenced_vars): New.
170         * gimplify.c (gimplify_expr): Allow SSA_NAME.
171
172 2004-07-11  Roger Sayle  <roger@eyesopen.com>
173
174         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
175         combine.c's combine_insn_cost.
176         * rtl.h (insn_rtx_cost): Prototype here.
177         * combine.c (combine_insn_cost): Delete function.
178         (combine_validate_cost): Update callers of combine_insn_cost to
179         call insn_rtx_cost instead.
180         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
181         requesting the rtx_cost of call and/or jump instructions.
182
183         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
184         rtx_cost directly.  Don't request/use the cost of call or jump
185         instructions.  Return -1 if the cost of any instruction can't be
186         determined (or the BB contains a function call).
187         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
188         -1 (i.e. can't determine the cost of any instruction or the basic
189         block contains a subroutine call).
190         (find_if_case_2): Likewise.
191
192 2004-07-11  Roger Sayle  <roger@eyesopen.com>
193
194         * rs6000.c (struct processor_costs): Change semantics of fields to
195         include the COST_N_INSNS scaling, and update all initializers.
196         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
197         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
198         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
199         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
200
201 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
202
203         * LANGUAGES: Remove obsolete information.
204
205 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
206
207         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and 
208         SIGBUS signal frames, the PSW address points *to* the faulting
209         instruction, not after it.
210
211 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
212
213         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
214         added to TLS symbol addresses.
215
216 2004-07-11  Richard Henderson  <rth@redhat.com>
217
218         * expmed.c (init_expmed): Use stack-local structures for 
219         temporary rtl.  Don't recognize shifts.
220
221 2004-07-11  Richard Henderson  <rth@redhat.com>
222
223         * expr.c (store_expr): Don't fiddle subreg promotion for types
224         with precision smaller than the mode.
225
226 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
227
228         * tree.h (all_types_permanent): Remove.
229
230 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
231
232         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
233         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
234         * langhooks.c (lhd_clear_binding_stack): Remove.
235         * langhooks-def.h (lhd_clear_binding_stack,
236         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
237         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
238         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
239         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
240         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
241         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
242         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
243         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
244         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
245         * tree.h (poplevel): Don't declare.
246         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
247         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
248         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
249         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
250         Remove.
251
252 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
253
254         PR tree-optimization/16437
255         * c-common.c (shorten_compare): Don't mark result of conversion to
256         narrower signed type as overflowing.
257         * fold-const.c (decode_field_reference): Determine whether
258         signedness comes from outer type using precision rather than size.
259
260 2004-07-11  Phil Edwards  <phil@codesourcery.com>
261
262         * configure.ac:  Alphabetize --enable-checking list, add
263         missing valgrind entry.
264         * configure:  Regenerate.
265
266 2004-07-11  Phil Edwards  <phil@codesourcery.com>
267
268         * doc/install.texi (Testing):  Fix syntax in "make check" example.
269
270 2004-07-10  James E Wilson  <wilson@specifixinc.com>
271
272         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
273
274 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
275
276         PR rtl-optimization/16001
277         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
278         niter_expr.
279
280 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
281
282         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
283
284 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
285             James Morrison  <phython@gcc.gnu.org>
286
287         * doc/contrib.texi (Contributors): Add gfortran contributors and
288         fix a couple of typos.
289
290 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
291
292         PR rtl-optimization/15387
293         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
294         to incoming args space correctly.
295
296 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
297
298         * pa.c (output_indirect_call): Only use %r2 as the link register in
299         indirect calls with the long PA 2.0 pc-relative branch.
300
301 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
302
303         * config/i386/i386.c (override_options): Pick a 64-bit CPU
304         for the default tuning if TARGET_64BIT.
305
306 2004-07-10  Richard Henderson  <rth@redhat.com>
307
308         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
309         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
310
311 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
312
313         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
314         * expmed.c (store_bit_field, extract_bit_field): Remove last
315         argument.
316         * builtins.c (expand_builtin_signbit): Adjust callers.
317         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
318         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
319         * ifcvt.c (noce_emit_move_insn): Likewise.
320         * stmt.c (expand_return): Likewise.
321         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
322         store_field, expand_expr_real_1): Likewise.
323
324 2004-07-10  Richard Henderson  <rth@redhat.com>
325
326         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
327
328 2004-07-09  Mike Stump  <mrs@apple.com>
329
330         * config/darwin.c (no_dead_strip): Add.
331         (HAVE_DEAD_STRIP): Add.
332         (darwin_emit_unwind_label): Ensure that we don't dead code strip
333         the .eh label.
334
335 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
336
337         * tree-ssa-loop-im.c: New file.
338         * Makefile.in (tree-ssa-loop-im.o): Add.
339         * cfgloop.c (superloop_at_depth): New function.
340         * cfgloop.h (superloop_at_depth): Declare.
341         * common.opt (ftree-lim): New flag.
342         * expr.c (array_ref_up_bound): New function.
343         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
344         * timevar.def (TV_LIM): New timevar.
345         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
346         computing immediate uses of a phi node.
347         * tree-flow.h (struct tree_ann_common_d): Add aux field.
348         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
349         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
350         * tree-pass.h (pass_lim): Declare.
351         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
352         functions.
353         (pass_lim): New pass structure.
354         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
355         * tree.c (in_array_bounds_p): New function.
356         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
357         (in_array_bounds_p, array_ref_up_bound): Declare.
358         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
359         * doc/passes.texi (tree-ssa-loop-im.c): Document.
360
361 2004-07-09  Richard Henderson  <rth@redhat.com>
362
363         * builtins.c (expand_builtin_stpcpy): Don't modify len.
364
365         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
366         with prejudice.
367
368 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
369
370         * flags.h: Delete redundant prototypes that are being generated
371         in options.h from common.opt.
372         * common.opt: Add in the expository comments formerly in flags.h.
373
374 2004-07-09  Jan Beulich  <jbeulich@novell.com>
375
376         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
377         available for use only when TARGET_MMX/_SSE is set, and check for
378         variable argument function if any register count is non-zero.
379         (function_arg): Correctly suppress repeated warnings for passing SSE
380         vectors are arguments without SSE enabled.
381         (ix86_function_arg_boundary): Without SSE enabled, the use of what
382         would be SSE register modes does no longer influence the alignment.
383
384 2004-07-09  Richard Henderson  <rth@redhat.com>
385
386         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
387         Always align upward to arg boundary.  Use size_in_bytes/round_up.
388         Maintain type-correctness of constants.
389         * stor-layout.c (round_up, round_down): Special-case powers of 2.
390
391 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
392
393         * config/sparc/sparc.c (*_costs): Scale instruction costs
394         by COSTS_N_INSNS.
395         (sparc_rtx_costs): Adjust as appropriate.
396
397 2004-07-09  Jan Beulich  <jbeulich@novell.com>
398
399         * config/i386/mm3dnow.h: New.
400         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
401
402 2004-07-09  Richard Henderson  <rth@redhat.com>
403
404         * simplify-rtx.c (simplify_const_relational_operation): Only
405         look at bounds of scalar integers.
406
407 2004-07-09  Jan Beulich  <jbeulich@novell.com>
408
409         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
410
411 2004-07-09  Andrew Pinski  <apinski@apple.com>
412
413         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
414         always referenced.
415         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
416         UOBJC_METACLASS_decl.
417
418 2004-07-09  James E Wilson  <wilson@specifixinc.com>
419
420         PR target/16364
421         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
422         do return a parallel if hfa_mode == XFmode and mode == TImode.
423
424 2004-07-09  Jan Beulich  <jbeulich@novell.com>
425
426         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
427         permissible for unary plus.
428
429 2004-07-09  Jan Beulich  <jbeulich@novell.com>
430
431         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
432         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
433         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
434         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
435         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
436         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
437         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
438         (BUILTIN_xxxIMAX): New.
439         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
440         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
441         BUILT_IN_PARITYIMAX.
442
443 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
444
445         * config/sparc/sparc.h (processor_costs): Define.
446         (sparc_costs): Declare.
447         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
448         hypersparc_costs, sparclet_costs, ultrasparc_costs,
449         ultrasparc3_costs): New.
450         (sparc_override_options): Set sparc_costs as appropriate.
451         (sparc_rtx_costs): Use sparc_costs instead of messy
452         conditionals.
453         
454 2004-07-09  Steven Bosscher  <stevenb@suse.de>
455
456         * doc/md.texi (Processor pipeline description): Mention that
457         the old pipeline description is deprecated.
458
459         * config/rs6000/7450.md (automaton ppc7450): Split up, move
460         mciu_7450 function unit to...
461         (automaton ppc7450mciu): ...new automaton.
462
463         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
464         (schedule_block): Don't consider inserting bubbles.
465         (sched_init): Don't initialize DFA bubbles.
466         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
467         TARGET_SCHED_DFA_BUBBLE): Remove.
468         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
469         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
470         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
471
472         * stmt.c (conditional_context): Remove prototype.
473         * tree.h (conditional_context): Remove.
474         * tree-cfg.c (pre_insert_on_edge): Remove.
475
476         * c-common.h (c_expand_asm_operands): Remove prototype.
477         * c-typeck.c (c_expand_asm_operands): Remove.
478
479 2004-07-09  Jan Beulich  <jbeulich@novell.com>
480
481         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
482         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
483         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
484         and V8QI are class SSE. All sufficiently small remaining vector modes
485         must be passed in one or two integer registers.
486         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
487         returned in memory.
488         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
489         __builtin_ia32_pmuludq128 have non-uniform argument and return types
490         and must thus be handled explicitly.
491         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
492         MMX and XMM regs.
493         (movv8qi_internal, movv4hi_internal, movv2si_internal,
494         movv2sf_internal): Permit moving between MMX and XMM registers (since
495         MMX areguments and return values are passed in XMM registers).
496         (sse2_umulsidi3): Correct type and mode.
497
498 2004-07-09  Richard Henderson  <rth@redhat.com>
499
500         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
501
502 2004-07-09  Eric Christopher  <echristo@redhat.com>
503
504         * config/rs6000/40x.md: Split into two automatons.
505
506 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
507             Andrew Pinski  <apinski@apple.com>
508
509         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
510         on when we have more than one input file.
511         (c_common_parse_file): Restore loop over all input files.
512         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
513
514         * c-decl.c (set_type_context): New function.
515         (pop_scope): Use it to set context of types.  When we
516         encounter a TYPE_DECL, set the context of the attached type too.
517         (pop_file_scope): Don't call cpp_undef_all here.
518         (diagnose_mismatched_decls): Do not complain about a second
519         definition of an 'extern inline' function if it's not in the
520         same translation unit.  Do not complain about inline
521         declaration after use if the use was in a different
522         translation unit.
523         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
524         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
525         the external scope.
526         (pushdecl_top_level): Likewise.
527         (grokdeclarator): Clarify what is going on with setting
528         DECL_EXTERNAL on function types, a little.
529         (c_write_global_declarations): Don't do anything if
530         -fsyntax-only or errors have been encountered.
531
532 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
533
534         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
535
536 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
537
538         PR target/16459
539         * pa.c (output_indirect_call): Use %r2 as the link register when
540         calling $$dyncall with a pc-relative branch.
541
542 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
543
544         * doc/install.texi (Binaries): Mention OpenPKG.
545
546 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
547
548         Fix PR tree-optimization/15555
549         * tree-dfa.c (dump_variable): If the variable is a pointer
550         SSA_NAME, also dump its points-to information.
551         * tree-flow.h (struct ptr_info_def): Add field
552         is_dereferenced.
553         (dump_points_to_info_for): Declare.
554         (debug_points_to_info_for): Declare.
555         * tree-optimize.c (init_tree_optimization_passes): Add a
556         second alias analysis pass after DOM2.
557         Move pass_del_pta to a later spot.
558         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
559         create a name tags when we find a dereferenced pointer.  Just
560         mark the pointer dereferenced.
561         (collect_points_to_info_for): Move code to clear points-to
562         information to create_name_tags.
563         (create_name_tags): New function.
564         (compute_flow_sensitive_aliasing): Call it.
565         (setup_pointers_and_addressables): Mark type tags for renaming
566         here instead of ...
567         (create_memory_tag): ... here.
568         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
569         (dump_points_to_info_for): Declare extern.
570         (debug_points_to_info_for): New function.
571
572 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
573
574         * config/arc/arc.md: Switch to DFA-based scheduler description.
575         * config/arc/arc.c: Switch to DFA-based scheduler description.
576
577 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
578
579         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
580         pointer.
581
582 2004-07-09  Richard Henderson  <rth@redhat.com>
583
584         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
585         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
586         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
587         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
588
589         * config/v850/v850-protos.h (v850_va_arg): Remove.
590         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
591         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
592         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
593         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
594         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
595
596 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
597
598         PR target/12133
599         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
600         and DImode to use +/-4k offset.
601
602 2004-07-09  Richard Henderson  <rth@redhat.com>
603
604         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
605         Remove.
606         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
607         (xstormy16_gimplify_va_arg_expr): Rewrite from
608         xstormy16_expand_builtin_va_arg.
609         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
610
611         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
612         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
613
614         * config/sh/sh-protos.h (sh_va_arg): Remove.
615         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
616         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
617         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
618
619         * config/pa/pa-protos.h (hppa_va_arg): Remove.
620         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
621         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
622         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
623
624         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
625         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
626         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
627         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
628
629 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
630
631         * config/sparc/sparc.md (return): Rewrite length formula.
632         * config/sparc/sparc.c (output_return): Pass 1 as 5th
633         argument to final_scan_insn when in a delay slot.
634         (output_sibcall): Likewise.
635
636 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
637
638         * arm.c (arm_cpp_interwork): New variable.
639         (arm_override_options): Set it if TARGET_INTERWORK was on the command
640         line.
641         * arm.h (arm_cpp_interwork): Declare it.
642         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
643         __THUMB_INTERWORK__ in the preprocessor.
644
645 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
646
647         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
648
649 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
650
651         PR target/16416
652         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
653         Override default settings to account for -m32 and -m64.
654
655 2004-07-08  Randolph Chung  <tausq@debian.org>
656
657         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
658
659 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
660
661         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
662         before comparing it as such.
663
664 2004-07-08  Richard Henderson  <rth@redhat.com>
665
666         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
667         temporary.  Use bit arithmetic to align.
668
669 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
670
671         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
672         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
673         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
674         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
675         add_labels_and_missing_jumps, find_jump_block,
676         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
677         Likewise.
678         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
679         link_btr_uses, move_btr_def): Likewise.
680         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
681         expand_builtin_expect_jump): Likewise.
682         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
683         * calls.c (expand_call, emit_library_call_value_1): Likewise.
684         * cfganal.c (forwarder_block_p): Likewise.
685         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
686         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
687         find_bb_boundaries): Likewise.
688         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
689         merge_blocks_move_predecessor_nojumps,
690         merge_blocks_move_successor_nojumps, insns_match_p,
691         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
692         try_optimize_cfg): Likewise.
693         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
694         * cfglayout.c (skip_insns_after_block, label_for_bb,
695         record_effective_endpoints, insn_locators_initialize,
696         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
697         * cfgmainloop.c (create_loop_notes): Likewise.
698         * cfgrtl.c (delete_insn, delete_insn_chain,
699         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
700         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
701         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
702         redirect_branch_edge, force_nonfallthru_and_redirect,
703         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
704         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
705         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
706         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
707         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
708         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
709         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
710         * combine.c (combine_instructions, can_combine_p, try_combine,
711         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
712         distribute_notes, distribute_links, insn_cuid): Likewise.
713         * cse.c (fold_rtx, cse_insn, cse_around_loop,
714         invalidate_skipped_block, cse_set_around_loop,
715         cse_end_of_basic_block, cse_main, cse_basic_block,
716         cse_condition_code_reg): Likewise.
717         * cselib.c (cselib_process_insn): Likewise.
718         * ddg.c (create_ddg): Likewise.
719         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
720         Likewise.
721         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
722         gen_label_die, dwarf2out_var_location): Likewise.
723         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
724         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
725         last_call_insn, active_insn_p, next_label, prev_label,
726         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
727         add_insn_before, remove_insn, add_function_usage_to,
728         reorder_insns, find_line_note, remove_unnecessary_notes,
729         emit_insn_after_1, classify_insn): Likewise.
730         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
731         connect_post_landing_pads, sjlj_mark_call_sites,
732         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
733         can_throw_internal, can_throw_external, set_nothrow_function_flags,
734         convert_to_eh_region_ranges): Likewise.
735         * explow.c (optimize_save_area_alloca): Likewise.
736         * expr.c (expand_expr_real): Likewise.
737         * final.c (insn_current_reference_address, compute_alignments,
738         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
739         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
740         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
741         propagate_block_delete_insn, propagate_one_insn,
742         init_propagate_block_info, propagate_block, libcall_dead_p,
743         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
744         Likewise.
745         * function.c (instantiate_virtual_regs, reorder_blocks_1,
746         expand_function_start, expand_function_end, contains,
747         thread_prologue_and_epilogue_insns,
748         reposition_prologue_and_epilogue_notes): Likewise.
749         * gcse.c (constprop_register, bypass_conditional_jumps,
750         insert_insn_end_bb, gcse_after_reload): Likewise.
751         * genemit.c (gen_expand, gen_split): Likewise.
752         * genpeep.c (gen_peephole, main): Likewise.
753         * global.c (build_insn_chain): Likewise.
754         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
755         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
756         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
757         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
758         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
759         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
760         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
761         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
762         dead_or_predicable): Likewise.
763         * integrate.c (try_constants): Likewise.
764         * jump.c (rebuild_jump_labels, cleanup_barriers,
765         purge_line_number_notes, init_label_info, mark_all_labels,
766         squeeze_notes, get_label_before, get_label_after,
767         reversed_comparison_code_parts, simplejump_p, pc_set,
768         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
769         delete_barrier, delete_prior_computation, delete_computation,
770         delete_related_insns, delete_for_peephole, redirect_jump):
771         Likewise.
772         * lcm.c (optimize_mode_switching): Likewise.
773         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
774         Likewise.
775         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
776         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
777         * loop-iv.c (simplify_using_assignment): Likewise.
778         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
779         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
780         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
781         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
782         check_insn_for_givs, check_final_value, update_giv_derive,
783         basic_induction_var, product_cheap_p, check_dbra_loop,
784         loop_insn_first_p, last_use_this_basic_block,
785         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
786         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
787         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
788         sms_schedule_by_order): Likewise.
789         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
790         * postreload.c (reload_cse_simplify_operands, reload_combine,
791         reload_cse_move2add): Likewise.
792         * predict.c (can_predict_insn_p, estimate_probability,
793         expected_value_to_br_prob, process_note_predictions): Likewise.
794         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
795         * profile.c (branch_prob): Likewise.
796         * ra-build.c (live_out_1, livethrough_conflicts_bb,
797         detect_webs_set_in_cond_jump): Likewise.
798         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
799         ra_print_rtl_with_bb): Likewise.
800         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
801         * recog.c (next_insn_tests_no_inequality, find_single_use,
802         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
803         * reg-stack.c (next_flags_user, record_label_references,
804         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
805         compensate_edge, convert_regs_1): Likewise.
806         * regclass.c (scan_one_insn): Likewise.
807         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
808         regmove_optimize, fixup_match_1, single_set_for_csa,
809         combine_stack_adjustments_for_block): Likewise.
810         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
811         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
812         find_equiv_reg): Likewise.
813         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
814         reload_as_needed, emit_input_reload_insns, do_output_reload,
815         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
816         Likewise.
817         * reorg.c (find_end_label, emit_delay_sequence,
818         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
819         get_jump_flags, rare_destination, mostly_true_jump,
820         try_merge_delay_insns, redundant_insn, own_thread_p,
821         fill_simple_delay_slots, fill_slots_from_thread,
822         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
823         dbr_schedule): Likewise.
824         * resource.c (find_basic_block, next_insn_no_annul,
825         find_dead_or_set_registers, mark_target_live_regs): Likewise.
826         * rtl.h (RTX_PREV): Likewise.
827         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
828         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
829         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
830         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
831         tablejump_p, computed_jump_p, insns_safe_to_move_p,
832         find_first_parameter_load, can_hoist_insn_p): Likewise.
833         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
834         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
835         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
836         schedule_ebbs): Likewise.
837         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
838         is_conditionally_protected, can_schedule_ready_p,
839         add_branch_dependences, debug_dependencies): Likewise.
840         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
841         Likewise.
842         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
843         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
844         set_dominates_use, ujump_to_loop_cont): Likewise.
845         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
846         * varasm.c (output_constant_pool_1): Likewise.
847
848 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
849
850         * tree-scalar-evolution.c: New file.
851         * tree-scalar-evolution.h: New file.
852         * tree-ssa-loop-niter.c: New file.
853         * Makefile.in (SCEV_H): New.
854         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
855         * cfgloop.h (struct loop): Add bounds field.
856         * tree-flow.h (struct tree_niter_desc): New type.
857         (number_of_iterations_cond, number_of_iterations_exit,
858         loop_niter_by_eval, find_loop_niter_by_eval,
859         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
860         free_numbers_of_iterations_estimates): Declare.
861         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
862         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
863         * doc/invoke.texi (max-iterations-to-track): Document.
864
865 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
866
867         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
868         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
869         (MODE_AFTER): Add cast appropriately.
870         * config/sh/sh.md (movdi splitter): Likewise.
871         (casesi_worker_2): Add const qualifier appropriately.
872         (eh_return): Remove unused variable.
873         (insv): Initialize v;
874
875 2004-07-08  Richard Henderson  <rth@redhat.com>
876
877         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
878         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
879         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
880         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
881         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
882
883         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
884         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
885         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
886         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
887
888         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
889         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
890         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
891         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
892
893         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
894         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
895         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
896         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
897
898         * config/i860/i860-protos.h (i860_va_arg): Remove.
899         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
900         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
901         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
902
903 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
904
905         * system.h: Prototype getpagesize if missing.
906         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
907         * configure: Regenerate.
908         * config.in: Regenerate.
909
910 2004-07-08  Richard Henderson  <rth@redhat.com>
911
912         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
913         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
914         (fr30_gimplify_va_arg_expr): New.
915         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
916         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
917
918 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
919
920         PR target/16414
921         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
922         of asm_noperands result.
923
924 2004-07-08  Richard Henderson  <rth@redhat.com>
925
926         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
927         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
928         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
929         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
930
931 2004-07-08  Richard Henderson  <rth@redhat.com>
932
933         * builtins.c (ind_gimplify_va_arg_expr): New.
934         * tree.h (ind_gimplify_va_arg_expr): Declare.
935         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
936
937 2004-07-08  Jan Beulich  <jbeulich@novell.com>
938
939         * expmed.c (extract_bit_field): Correct condition to use vec_extract
940         patterns also on vector elements other than the first one.
941         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
942         break statements.
943
944 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
945
946         * config/rs6000/darwin-ldouble.c: Correct reference
947         to the Linnainmaa paper.
948
949 2004-07-08  Richard Henderson  <rth@redhat.com>
950
951         * config/arc/arc-protos.h (arc_va_arg): Remove.
952         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
953         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
954         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
955
956         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
957         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
958         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
959         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
960
961 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
962
963         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
964
965 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
966
967         * c-decl.c (static_ctors, static_dtors): Make static.
968         (pop_file_scope): Call c_common_write_pch and
969         cgraph_finalize_compilation_unit here.
970         (build_cdtor): Moved here from c-objc-common.c; simplify.
971         (c_write_global_declarations_1): Clarify comment.
972         (c_write_global_declarations): Close the external scope before
973         doing anything else.  Call build_cdtor, cgraph_optimize, and
974         mudflap_finish_file here.
975         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
976         Clarify comment.
977         * c-objc-common.c: No need to include cgraph.h.
978         (build_cdtor): Moved to c-decl.c.
979         (c_objc_common_finish_file): Delete.
980         * c-tree.h: Update to match.
981         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
982         (generate_static_references): Set TREE_USED before calling finish_decl.
983         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
984         on the static_instances_decl.
985
986 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
987
988         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
989         decls when there is only one input translation unit.
990         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
991         change of 2004-07-05; do not treat declarations with
992         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
993         * opts.c (cur_in_fname): Delete.
994         * opts.h: Likewise.
995         * tree.c: Revert changes of 2004-07-05; no special treatment
996         for TRANSLATION_UNIT_DECLs.
997         * Makefile.in (tree.o): Update dependencies.
998
999 2004-07-08  Roger Sayle  <roger@eyesopen.com>
1000
1001         * builtins.c (fold_builtin_strcpy): Merge functionality from
1002         simplify_builtin_strcpy.  Add additional len argument.  No longer
1003         static.  Remove function prototype.
1004         (fold_builtin_strncpy): Likewise integrate functionality from
1005         simplify_builtin_strncpy.  Add additional slen argument.  No
1006         longer static.  Remove function prototype.
1007         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1008         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
1009         types of "ignore" and "unlocked" parameters to bool.
1010         (fold_builtin_1):  Add additional ignore argument.  Call renamed
1011         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1012         builtins.  Update arguments to fold_builtin_strncpy and
1013         fold_builtin_strcpy.  Add function prototype.
1014         (fold_builtin): Add additional Boolean ignore argument to pass
1015         to fold_builtin_1.
1016         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1017         and fold_builtin_strncpy instead of simplify_builtin_fputs,
1018         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1019
1020         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1021         simplify_builtin_strncpy): Delete function prototypes.
1022         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1023         fold_builtin_strncpy): Add function prototypes here.
1024         (fold_builtin): Update function prototype with new "bool ignore".
1025
1026         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1027         (ccp_fold_builtin):  Update call to fold_builtin.  Call
1028         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1029         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1030         simplify_builtin_strncpy respectively.
1031         * fold-const.c (fold): Update call to fold_builtin.
1032
1033 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1034
1035         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1036         to strcpy.
1037
1038         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1039         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1040         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1041         * calls.c: Remove ifdefs of macros above.
1042         * functions.c: Likewise.
1043         * expr.c: Likewise.
1044
1045 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1046
1047         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1048         (arch attribute): Delete.
1049         (current_function_calls_alloca attribute): Rename into calls_alloca.
1050         (calls_eh_return): New attribute.
1051         (leaf_function): Likewise.
1052         (length attribute): Fix formula for sibcalls.
1053         (return insn): Correctly compute the 'length' attribute.
1054         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1055
1056 2004-07-08  Richard Henderson  <rth@redhat.com>
1057
1058         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1059         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1060         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1061         * tree-eh.c (lower_eh_constructs_1): Likewise.
1062         * tree-sra.c (sra_walk_modify_expr): Likewise.
1063         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1064         (eliminate_unnecessary_stmts): Likewise.
1065         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1066         * tree-tailcall.c (optimize_tail_call): Likewise.
1067         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1068
1069 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1070             Jakub Jelinek  <jakub@redhat.com>
1071
1072         * config/i386/i386.c (override_options): Enable
1073         SSE prefetches with -mtune, as long as we are
1074         compiling for i686 or higher.  All i686 processors
1075         accept SSE prefetches as NOPS, some i586's don't.
1076
1077 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1078
1079         PR target/10567
1080         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1081
1082 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1083
1084         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1085         the handling of clobbering ASM_EXPRs.
1086
1087 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1088
1089         PR target/16430
1090         * config/sparc/sparc.c (function_value): In 64-bit mode,
1091         return the aggregates larger than 16 bytes like unions.
1092
1093 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1094
1095         PR target/16199
1096         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1097         'temp' is zero, generate new pseudos as needed and emit the
1098         sequence of insns in single-assignment form.  Resync comments
1099         with code.
1100         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1101         function before reload.
1102
1103 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
1104
1105         * vec.c (vec_assert_fail): Remove duplicate 'function'.
1106
1107         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1108
1109         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1110         Allocation is signed.
1111         (VEC_reserve): Return flag, allocation is signed.
1112
1113 2004-07-08  Richard Henderson  <rth@redhat.com>
1114
1115         * tree-ssa-ccp.c (fold_stmt): Get type directly from
1116         OBJ_TYPE_REF_OBJECT.
1117
1118 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1119             Neil Booth  <neil@daikokuya.co.uk>
1120
1121         PR c/2511
1122         PR c/3325
1123         * c-decl.c (finish_struct): Ensure bit-fields are given the
1124         correct type.
1125         * c-common.c (c_common_signed_or_unsigned_type): For C, require
1126         the precision to match as well as the mode.
1127         * expr.c (reduce_to_bit_field_precision): New function.
1128         (expand_expr_real_1): Reduce expressions of bit-field type to
1129         proper precision.
1130         * langhooks.h (reduce_bit_field_operations): New hook.
1131         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1132         Define.
1133         * c-lang.c, objc/objc-lang.c
1134         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1135         * objc/objc-act.c (check_ivars): Convert types to bit-field types
1136         before checking.
1137         * tree.c (build_nonstandard_integer_type): New function.
1138         * tree.h (build_nonstandard_integer_type): New prototype.
1139         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1140         conversions between integer and boolean types as useless.
1141
1142 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1143
1144         * c-common.c (c_common_nodes_and_builtins): Do not
1145         create __builtin_ptrdiff_t and __builtin_size_t.
1146
1147 2004-07-08  Andrew Pinski  <apinski@apple.com>
1148
1149         * Makefile.in (libbackend.o): Add -combine to the gcc
1150         command line.
1151
1152 2004-07-08  Nick Clifton  <nickc@redhat.com>
1153
1154         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1155         Set to -Os.
1156
1157 2004-07-08  Richard Henderson  <rth@redhat.com>
1158
1159         * except.c (expand_eh_region_start, expand_eh_region_end,
1160         expand_eh_handler, expand_eh_region_end_cleanup,
1161         expand_start_all_catch, expand_start_catch, expand_end_catch,
1162         expand_end_all_catch, expand_eh_region_end_allowed,
1163         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1164         expand_eh_region_end_fixup): Remove.
1165         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1166         cleanups, outer_cleanups, label_chain, exception_region.
1167         (struct goto_fixup): Remove stack_level, cleanup_list_list.
1168         (struct label_chain): Remove.
1169         (struct stmt_status): Remove x_stack_block_stack.
1170         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1171         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1172         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1173         end_cleanup_deferral, last_cleanup_this_contour,
1174         containing_blocks_have_cleanups_or_stack_level,
1175         any_pending_cleanups): Remove.
1176         (expand_null_return_1): Take no arguments.
1177         (expand_label, expand_naked_return, expand_return,
1178         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1179         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1180         expand_end_case_type): Don't use any of them.
1181         * calls.c (expand_call): Likewise.
1182         * dojump.c (do_jump): Likewise.
1183         * function.c (expand_function_end): Likewise.
1184         * expr.c (store_expr, expand_expr_real_1): Likewise.
1185         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1186         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1187         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1188         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1189         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1190         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1191         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1192         for WITH_CLEANUP_EXPR.
1193         (gimple_push_cleanup): Likewise.
1194         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1195         * print-tree.c (print_node): Likewise.
1196         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1197         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1198         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1199         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1200         (GOTO_SUBROUTINE_EXPR): Remove.
1201         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1202         (DECL_TOO_LATE): Remove.
1203         * except.h, tree.h: Update decls.
1204
1205 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1206
1207         * explow.c (optimize_save_area_alloca): Do not accept parameters.
1208         * passes.c (rest_of_handle_final): Handle symout.
1209         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1210         Push timevar here.
1211         (rest_of_handle_sched): Break out SMS.  Remove ifs for
1212         flag_schedule_insns and flag_modulo_sched.
1213         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1214         collect at the end.
1215         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1216         (rest_of_handle_partition_blocks, rest_of_handle_sms,
1217         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1218         rest_of_handle_mode_switching, rest_of_handle_jump,
1219         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1220         rest_of_handle_jump2, rest_of_handle_postreload,
1221         rest_of_handle_flow2, rest_of_clean_state,
1222         rest_of_handle_shorten_branches,
1223         rest_of_handle_prologue_epilogue,
1224         rest_of_handle_branch_target_load_optimize): New.
1225         (rest_of_compilation): Call the above.  Remove ggc_collect
1226         calls moved to rest_of_handle_*.
1227         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1228
1229         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1230         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1231         * except.h (set_nothrow_function_flags): Update comment.
1232         * function.c (current_function_nothrow): Remove.
1233         * output.h (current_function_nothrow): Remove.
1234         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1235         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1236
1237 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1238
1239         PR bootstrap/16326
1240         * reorg.c: Revert 2004-06-30 change.
1241         (find_end_label): If HAVE_epilogue and !HAVE_return,
1242         return 0 instead of creating a label at the end of the insn chain.
1243         (optimize_skip): Account for the failure mode of find_end_label.
1244         (fill_simple_delay_slots): Likewise.
1245         (fill_slots_from_thread): Likewise.
1246         (relax_delay_slots): Likewise.
1247
1248 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1249
1250         * tree-flow.h (addressable_vars): Declare.
1251         * tree-ssa-alias.c (addressable_vars): Define.
1252         (setup_pointers_and_addressables): Add addressable variables
1253         to addressable_vars.
1254         * tree-ssa-operands.c (get_stmt_operands): Move
1255         handling of ASM_EXPRs ...
1256         (get_asm_expr_operands): ... here.
1257         When the ASM_EXPR clobbers memory, also clobber addressable
1258         variables.
1259         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
1260         (delete_tree_ssa): Reset addressable_vars.
1261
1262 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1263             Richard Henderson  <rth@redhat.com>
1264
1265         * varasm.c (assemble_variable): Use assemble_zeros for
1266         zero-initialized variables.
1267         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
1268         for SECCAT_BSS and SECCAT_TBSS.
1269
1270 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1271
1272         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
1273
1274         * expmed.c (emit_store_flag): Also special-case double-word
1275         (in-)equality comparison against -1.
1276
1277         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
1278         passing arguments the containers for which are registers.
1279
1280         * calls.c (emit_library_call_value_1): Use mode of function parameter
1281         rather than that of argument since constants have none.
1282
1283 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1284
1285         Introduce H8SX support.
1286         * expr.c (expand_strcpy): Renamed and moved to...
1287         * builtins.c (expand_movstr): ... here.  Tweak.
1288         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
1289         computed or has side effects.
1290         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
1291         unused, or if mempcpy fails.  Adjust the return value in the
1292         latter case.  Use movstr if everything else fails.
1293         * doc/md.texi (movstr): Document.
1294         (movmemM, clrmemM): Fix explanation of memory block operands.
1295         * config/h8300/h8300.md (stpcpy): Renamed to...
1296         (movstr): ... this.  Adjust.
1297         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1298         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
1299         movmem* and clrstr* to clrmem*.
1300         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
1301         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
1302         GENERAL_REGS, always.
1303         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
1304         getting the stack pointer as addr.
1305         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
1306         from general_operand_dst.
1307         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
1308         variant of...
1309         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
1310         instead of requiring it to match only before reload.
1311         (stpcpy_internal_normal): New, normal-mode variant of...
1312         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
1313         `D' instead of requiring it to match only before reload.
1314         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
1315         mode argument.
1316         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
1317         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
1318         h8300_get_index.
1319         * config/h8300/h8300.md (attr type): Add call.
1320         (attr can_delay): If type is call, set it no.
1321         (call, call_value): Set type to call.
1322         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
1323         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
1324         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
1325         * tree.c (get_narrower): Don't narrow integral types into
1326         non-integral types.
1327         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
1328         frame_size *before* the first use.
1329         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
1330         on input.
1331         (peephole2): Don't widen instructions that push SP.  Move
1332         decrement of SP to the end of all stm-generating peepholes.
1333         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1334         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
1335         and OR to set it to all ones.
1336         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1337         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
1338         (call, call_value): Set can_delay to "no".
1339         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
1340         * config/h8300/h8300.md (extzv): Make subreg check more robust.
1341         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1342         * config/h8300/h8300.md (*brabit): Remove.
1343         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
1344         zero_extract.  Use bit_memory_operand as the predicate for
1345         operand 1 and 'WU' as the constraint.  Check the difference
1346         between the base length and the final one when deciding which
1347         type of branch to use.
1348         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1349         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
1350         Use convert_move to extend the result for TARGET_H8300SX.  Check
1351         for QImode memory references.  Optimize the case where the
1352         destination is a paradoxical subreg.
1353         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1354         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
1355         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
1356         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1357         * config/h8300/h8300.md: Include mova.md
1358         (length_table): Add mova and mova_zero.
1359         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
1360         after all constant addresses for '%R', '%X', '%T' and '%S'.
1361         (h8300_mova_length): New function.
1362         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
1363         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
1364         dependencies for s-config, etc.
1365         * config/h8300/gemova.sh: New file.
1366         * config/h8300/mova.md: Generated.
1367         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
1368         * config/h8300/h8300.c (h8300_bitfield_length): New.
1369         (nibble_operand): Adjust.
1370         (h8300_binary_length): Handle conditional binary op.
1371         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
1372         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
1373         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
1374         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
1375         constraints.  WU is introduced as a variant of U that requires a
1376         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
1377         * config/h8300/h8300.md (attr type): Added bitbranch.
1378         (attr length_table): Added bitfield and bitbranch.
1379         (attr length): Compute bitbranch length.
1380         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
1381         least-significant bit of a byte.
1382         (brabit, brabc, brabs): New.
1383         (insv, extzv): Emit bfst and bfld on H8300SX.
1384         (bfld, bfst, seq, sne): New.
1385         (bstzhireg, cmpstz, bstz, bistz): New.
1386         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
1387         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
1388         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
1389         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
1390         (h8sx_unary_memory_operator): New function.
1391         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
1392         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
1393         * config/h8300/h8300.md: Add peepholes to combine reloads and
1394         arithmetic insns.
1395         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1396         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
1397         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
1398         (and?i, ior?i, xor?i): Likewise.
1399         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1400         * config/h8300/h8300.c: Move enums and prototypes to head of file.
1401         Various whitespace fixes.
1402         (h8300_constant_length): New function, split out from...
1403         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
1404         (h8300_classify_operand): Use IN_RANGE.
1405         (h8300_classify_operand): Use h8300_constant_length.
1406         (h8300_short_move_mem_p): Tighten size check.
1407         (h8sx_mergeable_memrefs_p): Tighten equality check.
1408         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
1409         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
1410         for -msx.
1411         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
1412         * config/h8300/crtn.asm: Likewise.
1413         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
1414         if __H8300SX__ is defined.
1415         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
1416         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
1417         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
1418         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
1419         addresses as mode-dependent.
1420         * config/h8300/h8300.c (print_operand_address): Update call to
1421         h8300_get_index.
1422         (h8300_get_index): Take a mode argument.  Rework to fix an
1423         earlier misunderstanding.
1424         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
1425         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
1426         into a register if TARGET_H8300SX.
1427         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
1428         TARGET_H8300SX.  Also disable related define_splits.
1429         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
1430         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
1431         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
1432         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1433         * config/h8300/h8300.h (OK_FOR_Z): New macro.
1434         (EXTRA_CONSTRAINT_STR): Check it.
1435         * config/h8300/h8300.c (h8300_classify_operand): Accept null
1436         class arguments.
1437         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
1438         * config/h8300/h8300.md (length_table): Add mov_imm4.
1439         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
1440         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1441         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
1442         be a label.
1443         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
1444         * config/h8300/h8300.c (h8300_reorg): New function.
1445         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1446         * config/h8300/h8300.md (length): Subtract the length of the
1447         delay slot from (pc) when checking the range of forward branches.
1448         (delay_slot, can_delay): New attributes.
1449         (define_delay): Add bra/s handling.
1450         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
1451         (jump): Add delayed-branch handling.
1452         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
1453         * expr.c (expand_strcpy): New function.
1454         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
1455         (expand_builtin_stpcpy): Likewise.
1456         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
1457         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
1458         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
1459         handling to improve register allocation for -fno-omit-frame-pointer.
1460         (h8sx_split_movmd): Delete, moving er6 handling into...
1461         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
1462         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
1463         (movmd): Add calls to copy_rtx.
1464         (movmd_internal): In the second alternative, allow the initial and
1465         final destination registers to be different .  Update the splitter
1466         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
1467         instead of h8sx_split_movmd.
1468         (stpcpy, movsd): New expanders.
1469         (movsd_internal): New define_insn.
1470         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
1471         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
1472         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
1473         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
1474         and DESTINATION_REGS.
1475         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
1476         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
1477         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
1478         (h8300_move_ratio): Declare.
1479         (MOVE_RATIO): Use it.
1480         * config/h8300/h8300.c (h8300_move_ratio): New variable.
1481         (h8300_init_once): Initialize it.
1482         (h8300_reg_class_from_letter): New function.
1483         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
1484         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
1485         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
1486         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
1487         (movstrsi, movmd): New expanders.
1488         (movmd_internal): New insn.
1489         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
1490         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
1491         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
1492         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
1493         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
1494         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1495         * config/h8300/h8300.c (nibble_operand): Fix warning.
1496         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
1497         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
1498         (movsf_h8300h): Disable for TARGET_H8300SX.
1499         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1500         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
1501         h8300_stm_parallel and h8300_return_parallel.
1502         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
1503         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
1504         h8300_stm_parallel, h8300_return_parallel): New functions.
1505         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
1506         if TARGET_H8300SX.  Use h8300_push_pop.
1507         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
1508         and final pop when generating h8sx code.  Always emit some form
1509         of return insn.
1510         * config/h8300/h8300.md: Don't enforce register alignment in
1511         stm peepholes if TARGET_H8300SX.
1512         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
1513         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
1514         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
1515         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1516         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
1517         (MULTILIB_DIRNAMES): Add a directory for it.
1518         (MULTILIB_MATCHES): Delete.
1519         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1520         * final.c (walk_alter_subreg): Handle addresses with subregs
1521         inside a ZERO_EXTEND or AND.
1522         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
1523         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
1524         if TARGET_H8300SX.
1525         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
1526         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
1527         @(dd,Rn.w) and @(dd,ERn.L).
1528         (h8300_displacement_size): Take the whole address as argument.
1529         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
1530         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1531         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
1532         (h8sx_mergeable_memrefs_p): Declare.
1533         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
1534         (HAVE_PRE_INCREMENT): Likewise.
1535         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
1536         addresses for TARGET_H8300SX,
1537         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
1538         and POST_DEC.
1539         (movb_length_table, movl_length_table): New tables.
1540         (movw_length_table): Define to movb_length_table.
1541         (h8300_displacement_size): New, split out from...
1542         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
1543         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
1544         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
1545         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
1546         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
1547         (compute_plussi_length, compute_plussi_cc): Update accordingly.
1548         (h8sx_unary_shift_operator): Get the mode from the operator.
1549         (binary_shift_operator): Likewise.
1550         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
1551         a memory reference, check whether the reference is offsettable.
1552         (length_table): Add movb, movw and movl.
1553         (movqi): Add new h8sx pattern.  Don't force one operand to be a
1554         register when generating h8sx code.
1555         (movhi, movsi, movsf): Likewise.
1556         (movstrictqi): Use the length_table attribute.
1557         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
1558         (addqi3): Split into a define_expand and define_insn.  Don't accept
1559         memory operands in the expander.  Use h8300_operands_match_p to
1560         check for matching operands in the define_insn.
1561         (subqi3, negqi2, one_cmplqi2): Likewise.
1562         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
1563         in any patterns that are unused in h8sx code.  In the h8sx patterns,
1564         use h8300_operands_match_p to check whether operands match.
1565         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
1566         one_cmpl[hs]i3): Likewise.
1567         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
1568         in the expander.
1569         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
1570         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
1571         (h8300_insn_length_from_table): Add a second parameter.
1572         (output_h8sx_shift): Declare.
1573         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
1574         (EXTRA_CONSTRAINT): Replace with...
1575         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
1576         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
1577         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
1578         and h8sx_binary_shift_operator.
1579         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
1580         for TARGET_H8300SX.
1581         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
1582         (bit_memory_operand, fix_bit_operand): Likewise.
1583         (h8300_length_table_for_insn): Remove.
1584         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
1585         instructions.
1586         (h8300_short_immediate_length, h8300_binary_length): New functions.
1587         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
1588         (output_plussi): Use sub to add negative constants.
1589         (compute_plussi_length): Adjust accordingly.
1590         (h8sx_single_shift_type): New enum.
1591         (h8sx_single_shift, h8sx_unary_shift_operator,
1592         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
1593         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
1594         single h8sx instruction.  Return false in this case.
1595         * config/h8300/h8300.md (length_table): Add short_immediate.
1596         (length): Pass the operand array to h8300_insn_length_from_table.
1597         (adjust_length): Assume "no" for insns with a length_table attribute.
1598         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
1599         (*addhi3_h8300hs): Don't use for h8sx.
1600         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
1601         and sub.w #xx:3.
1602         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
1603         1's predicate to nonimmediate_operand.  Only skip default expansion
1604         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
1605         for single h8sx shift instructions.
1606         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
1607         * config/h8300/h8300.c (nibble_operand): Split out of...
1608         (reg_or_nibble_operand): ... this.
1609         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
1610         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
1611         umulhisi3): Introduce expand, and introduce separate insns for
1612         sign- or zero-extended REG and already-extended CONST_INT.
1613         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
1614         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
1615         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
1616         (subhi3): Likewise.  Don't accept immediates for operand 1.
1617         Remove the early clobber from second alternative of the h8300s pattern.
1618         (subsi3): Generalize for h8sx.  Force operand 2 into a register
1619         on plain h8300 targets.
1620         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
1621         (subsi3_h8300h): Generalize for h8sx.
1622         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
1623         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
1624         * config/h8300/h8300.c (reg_or_nibble_operand): New.
1625         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1626         (TARGET_H8300SXMUL): New.
1627         (CONST_OK_FOR_P): New.
1628         (CONST_OK_FOR_LETTER_P): Adjust.
1629         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
1630         umulhisi3): Accept 4-bit immediate on H8SX.
1631         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
1632         (udivsi3, divhi3, udivsi3, divsi3): New.
1633         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
1634         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
1635         * config/h8300/h8300.h (OK_FOR_Q): New macro.
1636         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
1637         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
1638         Add ADDRESSOF to the bit_operand entry.
1639         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
1640         (h8300_src_operand): Likewise.
1641         (bit_operand): Check nonimmediate_operand rather than general_operand.
1642         Accept any nonimmediate_operand in h8sx code.
1643         (h8300_and_costs): Initialize operands[1].
1644         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
1645         (h8300_operand_class): New enum.
1646         (h8300_length_table): New typedef.
1647         (addb_length_table, addw_length_table, addl_length_table,
1648         logicl_length_table): New tables.
1649         (logicb_length_table, logicw_length_table): New macros.
1650         (h8300_classify_operand, h8300_length_from_table,
1651         h8300_length_table_for_insn, h8300_unary_length,
1652         h8300_insn_length_from_table): New functions.
1653         (output_plussi): Only use adds and subs for register destinations.
1654         Disable redundant clause.
1655         (compute_plussi_cc): Likewise.
1656         (compute_plussi_length): Likewise.  Use h8300_length_from_table
1657         to work out the length of an insn.
1658         (output_logical_op): Only use narrower immediate instructions
1659         if the destination is a register.
1660         (compute_logical_op_cc): Likewise.
1661         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
1662         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
1663         * config/h8300/h8300.md (length_table): New attribute.
1664         (length): When an instruction has a length_table attribute, use
1665         h8300_insn_length_from_table to calculate its default length.
1666         (cmpqi): Use h8300_dst_operand for the first operand and
1667         h8300_src_operand for the second.
1668         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
1669         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
1670         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
1671         iorsi3, xorhi3, xorsi3): Likewise.
1672         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
1673         so that it allows any combination of operands for TARGET_H8300SX.
1674         (iorqi3, xorqi3): Likewise.
1675         (cmpqi): Use the length_table attribute.
1676         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
1677         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1678         (cmpqi): Add 'Q' constraint.
1679         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
1680         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1681         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
1682         * config/h8300/h8300.h (MASK_H8300SX): New macro.
1683         (TARGET_H8300S): True for both -ms and -msx.
1684         (TARGET_H8300SX): New macro.
1685         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
1686         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
1687         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
1688         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
1689         [Temporary change.]
1690         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
1691         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
1692         16-bit pointers and 32-bit ints.
1693         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
1694         CONST_DOUBLE with mode no wider than SImode.
1695         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
1696         output operand.
1697         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
1698         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
1699         or SUBREG thereof.
1700         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1701         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
1702         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
1703
1704 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1705
1706         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
1707
1708 2004-07-07  Per Bothner  <per@bothner.com>
1709
1710         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
1711
1712 2004-07-07  Mike Stump  <mrs@apple.com>
1713
1714         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
1715         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
1716         (machopic_finish): Likewise.
1717
1718 2004-07-07  Richard Henderson  <rth@redhat.com>
1719
1720         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
1721         through any value-preserving cast.
1722
1723 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1724
1725         * function.c (assign_parm_find_data_types): Call
1726         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
1727
1728 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1729
1730         * tree-cfg.c (group_case_labels): Remove case labels that have
1731         the same target as the default case.
1732
1733 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1734
1735         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
1736         regardless of DECL_LANG_SPECIFIC being present or not.
1737         * tree.h (DECL_NUM_STMTS): Purge.
1738
1739 2004-07-07  Andrew Pinski  <apinski@apple.com>
1740
1741         * configure: Regenerate with the right autoconf.
1742
1743 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
1744
1745         * ifcvt.c (total_bb_rtx_cost): New function.
1746         (find_if_case_1): Compare rtx_cost of basic block to cost of
1747         BRANCH_COST insns.
1748         (find_if_case_2): Same.
1749
1750 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1751
1752         PR target/10567
1753         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
1754         (output_return): Likewise.
1755         (output_sibcall): Abort if !flag_delayed_branch.
1756         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
1757         (emit_and_preserve): New function.
1758         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
1759         indirect jump to the thunked-to function if !flag_delayed_branch.
1760         * config/sparc/sparc.md (delayed_branch): New attribute.
1761         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
1762         attribute to compute the length of the insn.
1763         (goto_handler_and_restore): Likewise.
1764
1765 2004-07-07  Andrew Pinski  <apinski@apple.com>
1766
1767         PR tree-optimization/15777
1768         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
1769
1770         * expr.c (expand_expr_real_1): Fix formating.
1771         BUFFER_REF and IN_EXPR are dead.
1772         * fold-const.c (non_lvalue): BUFFER_REF is dead.
1773         * tree-inline.c (estimate_num_insns_1): Likewise.
1774         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
1775         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
1776         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
1777
1778 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
1779
1780         * collect2.c (dump_file): Don't call cplus_demangle if
1781         HAVE_LD_DEMANGLE is defined.
1782         (main): Pass "--demangle" to ld if no_demangle is not 0 and
1783         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
1784         if HAVE_LD_DEMANGLE is defined.
1785
1786         * configure.ac (--with-demangler-in-ld): Added
1787         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
1788         --with-demangler-in-ld is used.
1789         * config.in: Regenerated.
1790         * configure: Likewise.
1791
1792 2004-07-07  Roger Sayle  <roger@eyesopen.com>
1793
1794         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
1795         for simple floating point operations "fp", double precision
1796         multiplication "dmul", and single and double precision division
1797         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
1798         (ppc630_cost): New table split from ppc620_cost, to distinguish
1799         differences in floating point latencies.
1800         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
1801         (rs6000_rtx_costs): Add support for single and double precision
1802         floating point addition, subtraction, multiplication, division,
1803         fused-multiply-add, fused-multiply-sub, negation, absolute value
1804         and negative absolute value.  Tweak MEM case to use prefered idiom.
1805
1806 2004-07-07  Richard Henderson  <rth@redhat.com>
1807
1808         * tree-flow-inline.h (may_propagate_copy): Move...
1809         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
1810         attempt to copy between types requiring conversion.
1811         * tree-flow.h (may_propagate_copy): Update decl.
1812         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
1813
1814 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
1815
1816         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
1817         from -mtune= option.
1818
1819 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1820
1821         * builtins.c: Rename movstr*, except for movstrict*, to
1822         movmem* and clrstr* to clrmem*.
1823         * expr.c: Likewise.
1824         * expr.h: Likewise.
1825         * genopinit.c: Likewise.
1826         * integrate.c: Likewise.
1827         * local-alloc.c: Likewise.
1828         * optabs.c: Likewise.
1829         * optabs.h: Likewise.
1830         * config/alpha/alpha.h: Likewise.
1831         * config/alpha/alpha.md: Likewise.
1832         * config/arm/arm-protos.h: Likewise.
1833         * config/arm/arm.c: Likewise.
1834         * config/arm/arm.md: Likewise.
1835         * config/avr/avr.md: Likewise.
1836         * config/c4x/c4x.c: Likewise.
1837         * config/c4x/c4x.md: Likewise.
1838         * config/frv/frv.md: Likewise.
1839         * config/i386/i386-protos.h: Likewise.
1840         * config/i386/i386.c: Likewise.
1841         * config/i386/i386.h: Likewise.
1842         * config/i386/i386.md: Likewise.
1843         * config/i860/i860.c: Likewise.
1844         * config/i860/i860.md: Likewise.
1845         * config/ip2k/ip2k.md: Likewise.
1846         * config/ip2k/libgcc.S: Likewise.
1847         * config/ip2k/t-ip2k: Likewise.
1848         * config/m32r/m32r.c: Likewise.
1849         * config/m32r/m32r.md: Likewise.
1850         * config/mcore/mcore.md: Likewise.
1851         * config/mips/mips.c: Likewise.
1852         * config/mips/mips.md: Likewise.
1853         * config/ns32k/ns32k.c: Likewise.
1854         * config/ns32k/ns32k.h: Likewise.
1855         * config/ns32k/ns32k.md: Likewise.
1856         * config/pa/pa.c: Likewise.
1857         * config/pa/pa.md: Likewise.
1858         * config/pdp11/pdp11.h: Likewise.
1859         * config/pdp11/pdp11.md: Likewise.
1860         * config/rs6000/rs6000.c: Likewise.
1861         * config/rs6000/rs6000.md: Likewise.
1862         * config/s390/s390-protos.h: Likewise.
1863         * config/s390/s390.c: Likewise.
1864         * config/s390/s390.md: Likewise.
1865         * config/sh/lib1funcs.asm: Likewise.
1866         * config/sh/sh.c: Likewise.
1867         * config/sh/sh.md: Likewise.
1868         * config/sh/t-sh: Likewise.
1869         * config/sparc/sparc.h: Likewise.
1870         * config/vax/vax.md: Likewise.
1871         * config/xtensa/xtensa.c: Likewise.
1872         * config/xtensa/xtensa.md: Likewise.
1873         * doc/invoke.texi: Likewise.
1874         * doc/md.texi: Likewise.
1875         * doc/rtl.texi: Likewise.
1876
1877 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
1878
1879         PR target/16407
1880         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
1881         * config/mips/mips.c (mips_declare_common_object): New function,
1882         mostly split out from...
1883         (mips_output_aligned_decl_common): ...here.
1884         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
1885         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
1886         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
1887         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
1888
1889 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1890
1891         PR c/16392
1892         * function.c (assign_parms): Fix typo from previous change.
1893
1894 2004-07-07  Jason Merrill  <jason@redhat.com>
1895
1896         PR c++/15815
1897         * doc/extend.texi (C++ Interface): Correct information and
1898         discourage use.
1899
1900 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
1901
1902         PR target/16130
1903         PR target/16142
1904         PR target/16143
1905         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
1906         insn.
1907
1908 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1909
1910         PR target/1679.
1911         * config/m32r/m32r.c (m32r_function_symbol): New function:
1912         Generate a symbol name RTX with the correct m32r specific flags
1913         set.
1914         (block_move_call): Use new function to generate correct symbol.
1915         * config/m32r/m32r-protos.h: Add prototype for new funcion.
1916         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
1917         function.
1918
1919 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1920
1921         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
1922         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
1923         TYPE_BINFO_BASETYPE): Remove.
1924         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
1925         to ...
1926         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
1927         here.
1928         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
1929         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
1930         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
1931         (struct tree_binfo): Rename base_types to base_binfos.
1932         * alias.c (record_component_aliases): Adjust BINFO macros.
1933         * dbxout.c (dbxout_type): Likewise.
1934         * dwarf2out.c (gen_member_die): Likewise.
1935         * sdbout.c (sdbout_one_type): Likewise.
1936         * tree-dump.c (deque_and_dump): Likewise.
1937         * config/i386/i386.c (classify_argument,
1938         contains_128bit_aligned_vector_p): Likewise.
1939
1940 2004-07-07  Nick Clifton  <nickc@redhat.com>
1941
1942         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
1943         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
1944
1945 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1946
1947         * vec.h: Fix the example use.
1948
1949 2004-07-06  Richard Henderson  <rth@redhat.com>
1950
1951         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
1952         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
1953         * tree-inline.c (copy_body_r, setup_one_parameter,
1954         initialize_inlined_parameters, expand_call_inline,
1955         declare_inline_vars): Don't check it.
1956         (expand_calls_inline): Remove old version, rename new version
1957         from gimple_expand_calls_inline.
1958         * tree-optimize.c (execute_gimple): Remove.
1959         (pass_gimple): Don't run anything.
1960
1961 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1962
1963         * doc/sourcebuild.texi: Use semicolons instead of commas in
1964         section title.
1965
1966 2004-07-06  Richard Henderson  <rth@redhat.com>
1967
1968         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
1969         (sra_walk_modify_expr, scan_init): Likewise.
1970         (generate_element_zero): Check visited before scanning children.
1971         (generate_element_init): Set visited on error.
1972         (scalarize_init): Handle generate_element_init failure similar
1973         to use_block_copy.
1974
1975 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1976
1977         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
1978         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
1979
1980 2004-07-06  Richard Henderson  <rth@redhat.com>
1981
1982         * config/i386/i386.c (legitimize_pic_address): Make static.
1983         (legitimize_address): Handle CONST with TLS operand.
1984         (ix86_expand_move): Don't call legitimize_pic_address directly.
1985         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
1986
1987 2004-07-06  Roger Sayle  <roger@eyesopen.com>
1988
1989         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
1990         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
1991         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
1992         is currently executed unconditionally, i.e. not in "else_bb".
1993
1994 2004-07-06  Steven Bosscher  <stevenb@suse.de>
1995
1996         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
1997         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1998         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
1999         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2000         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2001         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2002         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2003         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2004         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2005         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2006         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2007         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2008         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2009         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2010         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2011         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2012
2013 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2014
2015         * dojump.c (do_jump): REFERENCE_EXPR is dead.
2016         * expr.c (expand_expr_real_1): Ditto.
2017         * tree-inline.c (estimate_num_insns_1): Ditto.
2018         * tree-pretty-print.c (dump_generic_node): Ditto.
2019         (op_symbol): Ditto.
2020         * tree.def: Ditto.
2021
2022 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2023
2024         * tree-ssa-pre.c (reference_node_pool): New pool.
2025         (find_or_generate_expression): Class 'r' is okay too.
2026         (create_value_expr_from): Ditto.
2027         (add_to_sets): LHS should not include vuses.
2028         (eliminate): Ditto.
2029         (compute_avail): Reverse ordering of tests.
2030         Valuize INDIRECT_REF as well.
2031
2032 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
2033
2034         PR rtl-optimization/16380
2035         * loop.c (check_dbra_loop): Sink comparison instructions if they
2036         do something other than set cc0.
2037
2038 2004-07-06  James E Wilson  <wilson@specifixinc.com>
2039
2040         * doc/interface.texi (longjmp and automatic variables): Delete
2041         paragraph recommending taking the address of a variable.
2042
2043 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2044
2045         * vec.h (VEC_embedded_alloc): Remove.
2046         (VEC_embedded_size, VEC_embedded_init): New.
2047         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2048         MEM_STAT_INFO.
2049         (VEC_truncate): New.
2050         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2051         (vec_embedded_alloc): Remove.
2052         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2053         (vec_embedded_alloc): Remove.
2054
2055 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
2056
2057         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2058         (gt-langhooks.h): Remove.
2059
2060 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
2061
2062         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2063
2064 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2065
2066         * config/sparc/sparc.c (get_pc_symbol): Rename into
2067         add_pc_to_pic_symbol.
2068         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2069         (load_pic_register): Account for previous changes.
2070         Use reg_names.  Don't create the label twice.
2071         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2072         UNSPEC_LOAD_PCREL_SYM.
2073         (get_pc): Rename into load_pcrel_sym.  Add predicate to
2074         operands.  Remove condition.
2075
2076 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2077
2078         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2079         RECORD, UNION & QUAL_UNION is actually a binfo.
2080
2081         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2082         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2083         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2084         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2085         * dwarf2out.c (add_data_member_location_attribute): Likewise.
2086         (gen_inheritance_die): Likewise.
2087         * tree-dump.c (deque_and_dump): Likewise.
2088         * doc/c-tree.texi (Binfos): Add under reconstruction note.
2089
2090 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2091
2092         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2093         Define.
2094         * config/mcore/mcore.md: Model memory latency with a simple DFA
2095         pipeline description instead of a define_function_unit.
2096
2097 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2098
2099         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2100         * langhooks.h (var_mod_type_p): Likewise.
2101         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2102         * expr.c (count_type_elements): Properly handle return from
2103         array_type_nelts and properly test for overflow.
2104         * gimplify.c (gimplify_init_constructor): Properly handle return
2105         from array_type_nelts.
2106         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2107         * integrate.c (copy_decl_for_inlining): Correct comments.
2108         * tree-inline.c (remap_decl): Update comments, remove dead code,
2109         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2110         (remap_type): Only remap if variably modified by vars in function
2111         being inlined.
2112         (copy_body_r): Use compatible_type langhooks to see when can fold.
2113         (setup_one_parameter): Don't remap type.
2114         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2115         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2116         compute TREE_INVARIANT for decl case.
2117         (find_var_from_fn): New function.
2118         (variably_modified_type_p): Add arg and call new function.
2119         * tree.h (variably_modified_type_p): Add extra arg.
2120
2121 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2122
2123         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2124         (goto_handler_and_restore_v9): Delete disabled insn.
2125         (goto_handler_and_restore_v9_sp64): Likewise.
2126
2127 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2128
2129         * calls.c (load_register_parameters): Call expand_shift instead
2130         of expand_binop with ashl_optab (or other shift optab) directly.
2131         * expr.c (emit_group_load, emit_group_store): Likewise.
2132         * function.c (assign_parm_setup_block): Likewise.
2133         * stmt.c (shift_return_value): Likewise.
2134
2135 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
2136
2137         * expr.c (expand_assignment): Disable the bitfield += optimizations.
2138
2139 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2140
2141         * doc/sourcebuild.texi: Revert previous patch.
2142
2143 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2144
2145         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2146         TARGET_MEM_FUNCTIONS.
2147         * system.h: Poison TARGET_MEM_FUNCTIONS.
2148         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2149         bcmp_libfunc, bzero_libfunc): Remove.
2150         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2151         bzero_libfunc.
2152         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2153         * doc/standards.texi: Don't mention calling BSD string functions.
2154         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
2155         * config/vax/t-memfuncs: New.
2156         * config/memcmp.c, config/memcpy.c, config/memmove.c,
2157         config/memset.c: New.
2158         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2159         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2160         vax/t-memfuncs.
2161         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2162         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2163         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2164         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2165         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2166         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2167         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2168         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2169         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2170         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2171
2172 2004-07-05  Richard Henderson  <rth@redhat.com>
2173
2174         * function.c (assign_parm_setup_reg): Properly rename variables in
2175         FUNCTION_ARG_CALLEE_COPIES section.
2176
2177 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2178
2179         * tree-mudflap.c: Include cgraph.h.
2180         (mf_init_extern_trees): Rename to mudflap_init.  Export.
2181         Rewrite to create synthetic declarations instead of looking
2182         up declarations from mf-runtime.h.
2183         (mf_make_builtin, mf_make_cache_struct_type): New functions.
2184         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2185         Correct commentary.
2186         (execute_mudflap_function_decls, mudflap_register_call):
2187         Don't call mf_init_extern_trees.
2188         (mudflap_finish_file): Use cgraph_build_static_cdtor.
2189
2190         * tree-mudflap.h: Update prototypes.
2191         * c-mudflap.c: Delete file.
2192         * c-common.c: Include tree-mudflap.h.
2193         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2194         * Makefile.in: Remove all references to c-mudflap.o.
2195         Update dependencies.
2196
2197 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2198
2199         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2200         displacements with the spatial-locality cache-control completer.
2201
2202 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2203
2204         * langhooks.c: Don't include gt-langhooks.h.
2205         (var_labelno): Delete.
2206         (lhd_set_decl_assembler_name): Do not append a distinguishing
2207         number to file-scope internal-linkage declarations for the first
2208         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
2209         the declaration itself (if at block scope), or its containing
2210         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2211         number.
2212
2213         * opts.c (cur_in_fname): New global.
2214         * opts.h: Declare it.
2215         * tree.c: Include opts.h.
2216         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2217         DECL_UID equal to cur_in_fname.
2218         (copy_node_stat): Do not change DECL_UID when copying a
2219         TRANSLATION_UNIT_DECL.
2220         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2221         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2222
2223         * c-decl.c (c_static_assembler_name): Delete.
2224         * c-tree.h (c_static_assembler_name): Delete prototype.
2225         * c-lang.c, objc/objc-lang.c: Don't override
2226         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2227
2228         * Makefile.in (tree.o): Update dependencies.
2229         (GTFILES): Remove langhooks.c.
2230
2231 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2232
2233         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2234         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2235         Normalize "X % C" as "X % -C" for signed modulus and negative C.
2236         Optimize "X % -Y" as "X % Y" for signed modulus.
2237         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2238         into "((unsigned) X % Y) == 0".
2239
2240 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2241
2242         * sourcebuild.texi (Config Fragments): Use @comma{} in
2243         cross-reference to section title.
2244
2245 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2246
2247         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
2248         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
2249         (gimplify_target_expr, gimplify_expr): Likewise.
2250         (copy_if_shared_r): No longer need special case for BIND_EXPR.
2251         (unshare_body, unvisit_body): Only look at nested if BODY_P is
2252         whole function.
2253         (gimplify_compound_lval): See if we can strip any useless conversion.
2254         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
2255         from RHS, not LHS.
2256         (gimplify_modify_expr_to_memset): Likewise.
2257         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
2258         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
2259         (declare_inline_vars): Likewise.
2260         (walk_type_fields): New function.
2261         (walk_tree): Use it.
2262         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
2263
2264         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
2265         (sra_walk_modify_expr): Allow init function to fail.
2266         (scan_init): Now returns bool.
2267         (generate_element_init): If can't understand INIT, return false.
2268         (scalarize_init): Return false if generate_element_init does.
2269
2270         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
2271         print bounds.
2272
2273         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
2274         bounds if bounds aren't constant.
2275
2276         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
2277
2278         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
2279         to type hooks; remove bogus PARAMS.
2280
2281 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
2282
2283         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
2284         * dwarf2out.c (add_data_member_location_attribute): Check for
2285         TREE_BINFO.
2286         * tree.c (tree_node_kinds): Add "binfos".
2287         (binfo_lang_slots): New.
2288         (make_node_stat): Add TREE_BINFO.
2289         (make_tree_binfo_stat): New.
2290         (tree_node_structure): Add TREE_BINFO.
2291         * tree.def (TREE_BINFO): New.
2292         * tree.h (REC_OR_UNION_CHECK): Rename to ...
2293         (RECORD_OR_UNION_CHECK): ... here.
2294         (NOT_RECORD_OR_UNION_CHECK): New.
2295         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
2296         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
2297         RECORD_OR_UNION_CHECK.
2298         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
2299         (TYPE_LANG_SLOT_1): New.
2300         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
2301         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
2302         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
2303         (BINFO_ELTS): Remove.
2304         (BINFO_LANG_SLOT): New.
2305         (struct tree_binfo): New.
2306         (binfo_lang_slots): Declare.
2307         (enum tree_node_structure_enum): Add TS_BINFO.
2308         (union tree_node): Add binfo.
2309         (make_tree_binfo_stat): Declare.
2310         (make_tree_binfo): New.
2311         (enum tree_node_kind): Add binfo_kind.
2312
2313         * objc/objc-act.c (start_class, objc_declare_protocols,
2314         start_protocols): Use TYPE_LANG_SLOT_1.
2315         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
2316         to ...
2317         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
2318         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
2319         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
2320         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
2321
2322 2004-07-05  Steven Bosscher  <stevenb@suse.de>
2323
2324         * rtl.h (struct rtx_def): Remove the integrated flag.
2325         Use the return_val flag for MEM_SCALAR_P.
2326         Reshuffle and update flags in CLEAR_RTX_FLAGS.
2327
2328 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
2329
2330         PR target/16357
2331         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
2332         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
2333         move_by_pieces.
2334
2335 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
2336
2337         * var-tracking.c: Fix some comments.
2338         (frame_stack_adjust): New.
2339         (vt_stack_adjustments): Init stack_adjust of entry block to
2340         minus stack adjustment of function prologue.
2341         (adjust_stack_reference): Do not adjust if adjustment == 0.
2342         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
2343         (emit_notes_in_bb): Likewise.
2344         (vt_add_function_parameters): Do not adjust locations of
2345         function arguments.
2346         (vt_initialize): Compute the stack adjustment of function
2347         prologue and offset the initial "location" of frame_base_decl
2348         from the stack pointer after prologue.
2349
2350 2004-07-04  Richard Henderson  <rth@redhat.com>
2351
2352         * function.c (struct assign_parm_data_all): New.
2353         (struct assign_parm_data_one): New.
2354         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
2355         assign_parm_find_data_types, assign_parms_setup_varargs,
2356         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
2357         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
2358         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
2359         assign_parm_setup_block, assign_parm_setup_reg,
2360         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
2361         (assign_parms): ... here.
2362
2363 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
2364
2365         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
2366         now are bitmap_set_t's.
2367         (bitmap_insert_into_set): No point in inserting the value if
2368         it's invariant.
2369         (bitmap_set_contains): New function.
2370         (bitmap_set_replace_value): Add comment on why we do it
2371         this way.
2372         (set_contains): Removed.
2373         (bitmap_set_subtract_from_value_set): New name of
2374         set_subtract now that it's arguments are two different
2375         types of sets.
2376         Update callers.
2377         (bitmap_find_leader): Change algorithm used.
2378         (find_or_generate_expression): Update use of functions for new
2379         bitmap sets.
2380         (create_expression_by_pieces): Ditto.
2381         (insert_aux): Ditto.
2382         (insert): Ditto.
2383         (add_to_sets): Ditto.
2384         (init_pre): Ditto.
2385         (execute_pre): Ditto.
2386         (compute_avail): Ditto.
2387         Also ignore virtual phis.
2388
2389 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2390
2391         * combine.c (simplify_comparison): Fix comment typo.
2392
2393 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2394
2395         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
2396         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
2397         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
2398         (output_restore): Change parameter from 'insn' to 'pat'.
2399         (output_return): Adjust call to output_restore.
2400         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
2401         Adjust call to output_restore.
2402
2403 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2404
2405         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
2406         and assert system is bsd.
2407
2408 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2409
2410         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
2411         (TARGET_SWITCHES): Remove -mdebugc.
2412         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2413         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
2414         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
2415         (sle_[sd]i_reg): Delete.
2416
2417 2004-07-04  Steven Bosscher  <stevenb@suse.de>
2418
2419         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2420         Define.
2421         * config/iq2000/iq2000.md: Translate old pipeline description to an
2422         equivalent new one.
2423
2424 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2425
2426         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
2427         Ensure the replacement rhs is valid gimple before performing
2428         the substitution.  Return false if these sanity checks fail.
2429         (fold_stmt): Only set changed to true, if set_rhs returns true.
2430         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
2431         succeeds.
2432
2433 2004-07-04  Richard Henderson  <rth@redhat.com>
2434
2435         PR c/16348
2436         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
2437
2438 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
2439
2440         * configure.ac (ranlib_flags): New variable.
2441         * Makefile.in (RANLIB_FLAGS): New variable.
2442         (libbackend.a): Use it.
2443         * configure: Regenerated.
2444
2445 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2446
2447         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
2448         a "sign mask" instead of using ashr_optab directly.
2449
2450 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2451
2452         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
2453         * doc/cppopts.texi: Clarify processing of command-line defines.
2454
2455 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
2456
2457         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
2458
2459 2004-07-04  Richard Henderson  <rth@redhat.com>
2460
2461         * rtl.def (ADDRESSOF): Remove.
2462         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
2463         (find_base_term, memrefs_conflict_p): Likewise.
2464         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
2465         (fold_rtx, cse_insn, set_live_p): Likewise.
2466         * dwarf2out.c (mem_loc_descriptor): Likewise.
2467         (add_location_or_const_value_attribute): Likewise.
2468         * emit-rtl.c (copy_insn_1): Likewise.
2469         * explow.c (memory_address): Likewise.
2470         * expmed.c (store_split_bit_field): Likewise.
2471         * expr.c (expand_expr_real_1): Likewise.
2472         * function.c (instantiate_decl
2473         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
2474         * genrecog.c (preds, validate_pattern): Likewise.
2475         * integrate.c (copy_rtx_and_substitute): Likewise.
2476         * recog.c (general_operand, register_operand): Likewise.
2477         (memory_address_p): Likwise.
2478         * reload1.c (eliminate_regs, elimination_effects): Likewise.
2479         * rtl.c (copy_rtx): Likewise.
2480         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2481         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
2482         * rtlhooks.c (gen_lowpart_general): Likewise.
2483         * stmt.c (expand_asm_operands): Likewise.
2484         * web.c (entry_register, replace_ref, web_main): Likewise.
2485         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
2486         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2487         * config/arm/arm.c (thumb_rtx_costs): Likewise.
2488         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
2489         * config/frv/frv.c (move_destination_operand, move_source_operand,
2490         condexec_dest_operand, condexec_source_operand,
2491         condexec_memory_operand): Likewise.
2492         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
2493         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
2494         (destination_xfmode_operand): Likewise.
2495         * config/mips/mips.h (PREDICATE_CODES): Likewise.
2496         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
2497         * config/s390/s390.c (general_s_operand): Likewise.
2498         * config/s390/s390.md (mov*): Likewise.
2499         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
2500
2501         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
2502         * expr.c (expand_expr_real_1): Likewise.
2503         * stmt.c (expand_decl): Likewise.
2504         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2505
2506         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
2507         postponed_insns, put_var_into_stack, put_reg_into_stack,
2508         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
2509         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
2510         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
2511         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
2512         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
2513         purge_bitfield_addressof_replacements, purge_addressof_replacements,
2514         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
2515         struct insns_for_mem_walk_info, insns_for_mem_walk,
2516         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
2517         setjmp_protect_args): Remove.
2518         (push_function_context_to): Don't handle var_refs_queue.
2519         (pop_function_context_from, free_after_compilation): Likewise.
2520         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
2521         (assign_parms, allocate_struct_function): Likewise.
2522         (use_register_for_decl): New.
2523         (expand_function_end): Don't setjmp_protect.
2524         * function.h (struct emit_status): Update commentary.
2525         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
2526         (max_parm_reg, parm_reg_stack_loc): Remove.
2527         * passes.c (DFI_addressof): Remove.
2528         (dump_file_info): Remove addressof.
2529         (rest_of_handle_addressof): Remove.
2530         (rest_of_compilation): Don't call it.
2531         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
2532         * stmt.c (expand_decl): Use use_register_for_decl.
2533         * tree.h: Update decls.
2534         * web.c (mark_addressof): Remove.
2535         * doc/invoke.texi (-dF): Remove.
2536
2537 2004-07-03  Richard Henderson  <rth@redhat.com>
2538
2539         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
2540         instead of gen_mem_addressof.
2541         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
2542         TImode output register.
2543
2544 2004-07-03  Richard Henderson  <rth@redhat.com>
2545
2546         PR tree-optimization/16341
2547         * tree-sra.c (sra_walk_function): Increment to next stmt before
2548         processing the current stmt.
2549         (sra_insert_after): Always use BSI_SAME_STMT.
2550
2551 2004-07-03  Richard Henderson  <rth@redhat.com>
2552
2553         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
2554         fp plus with minus.
2555
2556 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2557
2558         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
2559         with tree_int_cst_equal.
2560
2561 2004-07-03  Andreas Schwab  <schwab@suse.de>
2562
2563         * config/ia64/ia64.md: Define new attribute "empty".
2564         (prologue_use, nop_x, insn_group_barrier): Set it.
2565
2566         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
2567         skip over "empty" insns.
2568
2569 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2570
2571         * tree-inline.c (initialize_inlined_parameters): Pass proper function
2572         context to gimplify_body.
2573         (walk_tree): Don't walk into types twice.
2574         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
2575
2576         * tree-sra.c (generate_element_init): Remove any useless conversions.
2577
2578         * gimplify.c (gimplify_conversion): Remove stripping useless
2579         conversions from here.
2580         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
2581         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
2582         Unshare before substituting PLACEHOLDER_EXPR.
2583         (gimplify_modify_expr_to_memset): Likewise.
2584         Pass address of TO to memset, not TO itself.
2585         (gimplify_init_constructor): Make copy of OBJECT so we have it each
2586         time we make an expression (to match a PLACEHOLDER_EXPR).
2587
2588         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
2589         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
2590         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
2591         * tree-ssa-dom.c (local_fold): Likewise.
2592
2593         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
2594         * langhooks.h (strct lang_hooks): New field type_max_size.
2595         * function.c (assign_temp): Call it.
2596
2597 2004-07-03  Steven Bosscher  <stevenb@suse.de>
2598
2599         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
2600         * config/sh/sh.md: Convert the SH1 pipeline description to
2601         a DFA model.
2602
2603 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
2604
2605         * c-decl.c (struct c_binding): Remove contour field; add
2606         depth, invisible, nested fields.
2607         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
2608         (B_IN_EXTERNAL_SCOPE): New convenience macros.
2609         (bind): Add invisible and nested arguments. Initialize
2610         new fields of struct c_binding; adjust loop scanning for
2611         insertion point.
2612         (free_binding_and_advance): Clear structure with memset.
2613         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
2614         in file scope, even if it's in external scope too.
2615         (pushdecl): Adjust to match.  Create invisible file-scope
2616         declarations for block-scope forward declarations of static functions.
2617         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
2618         (undeclared_variable, lookup_label, declare_label, define_label)
2619         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
2620         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
2621         (store_parm_decls_oldstyle): Adjust to match.
2622         (diagnose_mismatched_decls): Correct handling of linkage clashes.
2623         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
2624
2625         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
2626         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
2627
2628 2004-07-02  Richard Henderson  <rth@redhat.com>
2629
2630         * c-decl.c (grokdeclarator): Don't frob current_function_decl
2631         around variable_size.
2632         (set_decl_nonlocal): Remove.
2633         (store_parm_decls): Add stmts for pending sizes.
2634         * calls.c (calls_function, calls_function_1): Remove.
2635         (precompute_arguments): Don't call it.
2636         * cfgexpand.c (set_save_expr_context): Remove.
2637         (tree_expand_cfg): Don't call it.
2638         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
2639         (dwarf2out_finish): Likewise.
2640         * expr.c (emit_block_move): Adjust addresses to BLKmode.
2641         (store_constructor): Don't pre-evaluate SAVE_EXPR.
2642         (safe_from_p): Don't queue SAVE_EXPRs.
2643         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
2644         or build plain VAR_DECLs.
2645         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
2646         (fold): Likewise.
2647         (fold_checksum_tree): Don't special-case SAVE_EXPR.
2648         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
2649         (put_var_into_stack): Don't handle SAVE_EXPR.
2650         (gen_mem_addressof): Likewise.
2651         * function.h (struct function): Remove x_save_expr_regs.
2652         (save_expr_regs): Remove.
2653         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
2654         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
2655         * stor-layout.c (variable_size): Don't set it.
2656         (force_type_save_exprs, force_type_save_exprs_1): Remove.
2657         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
2658         all callers.  Don't set SAVE_EXPR_CONTEXT.
2659         * tree-inline.h (remap_save_expr): Update decl.
2660         * tree.c (save_expr): Update build size.
2661         (first_rtl_op): Don't handle SAVE_EXPR.
2662         (unsave_expr_1, contains_placeholder_p): Likewise.
2663         (decl_function_context): Likewise.
2664         * tree.def (SAVE_EXPR): Remove args 1 and 2.
2665         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
2666         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
2667
2668 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2669
2670         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
2671         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
2672         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
2673         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
2674         some first-person references and patronizing comments.  Based on
2675         printed manual.
2676         * doc/invoke.texi: Don't reference fortran@gnu.org.
2677         * doc/trouble.texi (Warning when a non-void function value is
2678         ignored): Rewrite.  From Russ Allbery and Chris Devers.
2679
2680 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
2681
2682         * tree-ssa-pre.c (bitmap_set_t): New.
2683         (bb_value_sets): avail_out is now a bitmap_set_t.
2684         (bitmap_find_leader): New function.
2685         (bitmap_value_insert_into_set): Ditto.
2686         (bitmap_set_copy): Ditto.
2687         (bitmap_value_replace_in_set): Ditto.
2688         (bitmap_set_contains_value): Ditto.
2689         (bitmap_set_new): Ditto.
2690         (bitmap_set_pool): New pool.
2691         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
2692         (insert_aux): Ditto.
2693         (add_to_sets): Ditto.
2694         (compute_avail): Ditto
2695         (eliminate): Ditto.
2696         (init_pre): Ditto.
2697         (fini_pre): Ditto.
2698         (execute_pre): Ditto.
2699
2700 2004-07-02  Roger Sayle  <roger@eyesopen.com>
2701
2702         * config/rs6000/rs6000.c (struct processor_costs): New structure
2703         used to hold instruction latencies/sizes for processor types.
2704         (rs6000_cost): New global variable pointing to current CPU's costs.
2705         (rs6000_override_options): Initialize rs6000_cost to point to the
2706         appropriate cost table based upon rs6000_cpu and optimize_size.
2707         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
2708         timings inline.
2709
2710 2004-07-02  Richard Henderson  <rth@redhat.com>
2711
2712         * expmed.c (make_tree): Don't use SET_DECL_RTL.
2713
2714 2004-07-02  Steven Bosscher  <stevenb@suse.de>
2715
2716         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
2717
2718 2004-07-01  Richard Henderson  <rth@redhat.com>
2719
2720         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
2721         (alpha_gp_save_rtx): Use assign_stack_local instead of
2722         gen_mem_addressof.
2723
2724 2004-07-01  Richard Henderson  <rth@redhat.com>
2725
2726         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
2727         (alpha_rtx_cost_data): Update to match.
2728         (alpha_rtx_cost_size): New.
2729         (alpha_rtx_costs): Honor optimize_size.
2730
2731 2004-07-01  Richard Henderson  <rth@redhat.com>
2732
2733         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
2734         * cfgexpand.c (tree_expand_cfg): Do it here.
2735         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
2736         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
2737         * config/mips/mips.c (mips_output_mi_thunk): And here.
2738         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
2739         * config/sh/sh.c (sh_output_mi_thunk): And here.
2740         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
2741
2742 2004-07-01  Richard Henderson  <rth@redhat.com>
2743
2744         * tree.def (RTL_EXPR): Remove.
2745         * c-typeck.c (lvalue_p): Don't handle it.
2746         * expr.c (safe_from_p): Likewise.
2747         (expand_expr_real_1): Likewise.
2748         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
2749         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
2750         * gengtype.c (adjust_field_tree_exp): Likewise.
2751         * stmt.c (warn_if_unused_value): Likewise.
2752         * tree-gimple.c (recalculate_side_effects): Likewise.
2753         * tree-pretty-print.c (dump_generic_node): Likewise.
2754         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
2755         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
2756         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
2757
2758         * stmt.c (struct stmt_status): Remove x_last_expr_type,
2759         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
2760         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
2761         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
2762         all the bits that tracked last_expr.
2763         (expand_end_bindings): Don't track last_expr.
2764         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
2765         (clear_last_expr): Remove.
2766         (expand_asm): Don't call it.
2767         (expand_asm_operands, expand_end_cond): Likewise.
2768         (expand_naked_return, expand_null_return_1): Likewise.
2769         * c-typeck.c (c_begin_compound_stmt): Likewise.
2770         * cfgexpand.c (expand_block): Use expand_expr_stmt.
2771         * expr.c (expand_expr_real_1): Likewise.
2772         * tree.h: Update prototypes.
2773
2774         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
2775         (struct emit_status): Remove sequence_rtl_expr.
2776         (struct function): Remove x_rtl_expr_chain.
2777         (seq_rtl_expr, rtl_expr_chain): Remove.
2778         * function.c (struct temp_slot): Remove rtl_expr.
2779         (assign_stack_temp_for_type): Don't set it.
2780         (free_temp_slots, pop_temp_slots): Don't check it.
2781         (free_after_compilation): Don't clear x_rtl_expr_chain.
2782         (fixup_var_refs): Don't search it.
2783         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
2784         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
2785         or seq_rtl_expr.
2786         (push_topmost_sequence): Likewise.
2787         (end_sequence, init_emit): Likewise.
2788         (start_sequence_for_rtl_expr): Remove.
2789         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
2790         * rtl.h (preserve_rtl_expr_result): Remove.
2791
2792 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
2793
2794         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
2795         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
2796         typos.
2797
2798 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2799
2800         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
2801         (STANDARD_STARTFILE_PREFIX_2): Define.
2802         (standard_startfile_prefix_1): Initialize to
2803         STANDARD_STARTFILE_PREFIX_1.
2804         (standard_startfile_prefix_2): Initialize to
2805         STANDARD_STARTFILE_PREFIX_2.
2806         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
2807         (STANDARD_STARTFILE_PREFIX_1): Define.
2808         (STANDARD_STARTFILE_PREFIX_2): Define.
2809         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
2810         (STANDARD_STARTFILE_PREFIX_2): Document.
2811
2812 2004-07-01  Richard Henderson  <rth@redhat.com>
2813
2814         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
2815         in order to disable scalarization.  Instead set a flag and wait
2816         for a candidate decl.
2817
2818 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2819
2820         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
2821         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
2822         Use terminology "testsuite" and "enumerated".
2823
2824 2004-07-01  Richard Henderson  <rth@redhat.com>
2825
2826         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
2827         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
2828         (initial_return_save): Likewise.
2829         (flush_queued_reg_saves): Remap register numbers.
2830         (dwarf2out_return_reg): Likewise.
2831
2832 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2833
2834         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
2835
2836         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
2837         access functions for lower bound and element size and only output
2838         if lower bound nonzero or element size not same as that of type.
2839         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
2840
2841 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2842
2843         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
2844
2845 2004-07-01  Per Bothner  <per@bothner.com>
2846
2847         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
2848
2849 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
2850
2851         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
2852         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
2853         first operand.  Don't optimize if the bitfield is volatile.
2854
2855 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2856
2857         * c-pretty-print.c (pp_c_postfix_expression): Handle
2858         floating-point comparison operators.
2859         (pp_c_expression): Pass floating-point comparison
2860         operators to pp_c_postfix_expression.
2861
2862 2004-07-01  Roger Sayle  <roger@eyesopen.com>
2863
2864         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
2865         rtx_cost instead of "had_mult" to determine whether the transformed
2866         expression is cheaper than the original.
2867
2868 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
2869
2870         * alias.c (get_alias_set, canon_rtx, get_addr,
2871         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
2872         Use MEM_P.
2873         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
2874         expand_builtin): Likewise.
2875         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
2876         Likewise.
2877         * combine.c (can_combine_p, combinable_i3pat, try_combine,
2878         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
2879         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
2880         record_dead_and_set_regs_1, get_last_value_validate,
2881         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
2882         * cse.c (check_dependence, canon_hash, equiv_constant,
2883         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
2884         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
2885         count_reg_usage): Likewise.
2886         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
2887         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
2888         cselib_record_sets): Likewise.
2889         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
2890         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
2891         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
2892         * df.c (df_uses_record): Likewise.
2893         * dojump (do_jump): Likewise.
2894         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
2895         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
2896         decl_start_label): Likewise.
2897         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
2898         operand_subword, change_address_1, make_safe_from): Likewise.
2899         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
2900         stabilize, force_not_mem): Likewise.
2901         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
2902         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
2903         * expr.c (convert_move, convert_modes, emit_block_move,
2904         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
2905         emit_move_insn_1, expand_assignment, store_expr,
2906         store_constructor_field, store_constructor, store_field,
2907         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
2908         Likewise.
2909         * final.c (cleanup_subreg_operands, alter_subreg,
2910         get_mem_expr_from_op): Likewise.
2911         * flow.c (notice_stack_pointer_modification_1,
2912         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
2913         Likewise.
2914         * function.c (mark_temp_addr_taken, preserve_temp_slots,
2915         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
2916         optimize_bit_field, flush_addressof, purge_addressof_1,
2917         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
2918         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
2919         keep_stack_depressed): Likewise.
2920         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
2921         noce_process_if_block, find_memory): Likewise.
2922         * integrate.c (subst_constants, allocate_initial_values): Likewise.
2923         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
2924         update_equiv_regs): Likewise.
2925         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
2926         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
2927         * optabs.c (expand_abs, emit_unop_insn): Likewise.
2928         * passes.c (rest_of_handle_final): Likewise.
2929         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
2930         move2add_note_store): Likewise.
2931         * ra-build.c (detect_remat_webs): Likewise.
2932         * ra-debug.c (dump_static_insn_cost): Likewise.
2933         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
2934         * recog.c (validate_change, apply_change_group, cancel_changes,
2935         validate_replace_rtx_1, general_operand, register_operand,
2936         nonmemory_operand, push_operand, pop_operand, memory_operand,
2937         indirect_operand, asm_operand_ok, offsettable_memref_p,
2938         offsettable_nonstrict_memref_p, constrain_operands,
2939         store_data_bypass_p): Likewise.
2940         * reg-stack.c (subst_stack_regs_pat): Likewise.
2941         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
2942         copy_cost, reg_scan_mark_refs): Likewise.
2943         * regmove.c (optimize_reg_copy_3, stack_memref_p,
2944         combine_stack_adjustments_for_block): Likewise.
2945         * regrename.c (copyprop_hardreg_forward_1): Likewise.
2946         * reload.c (can_reload_into, push_reload, decompose, immune_p,
2947         find_reloads, find_reloads_address, find_reloads_address_1,
2948         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
2949         find_equiv_reg): Likewise.
2950         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
2951         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
2952         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
2953         delete_address_reloads): Likewise.
2954         * resource.c (mark_referenced_resources): Likewise.
2955         * rtlanal.c (get_jump_table_offset, count_occurrences,
2956         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
2957         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
2958         num_sign_bit_copies1): Likewise.
2959         * rtlhooks.c (gen_lowpart_general): Likewise.
2960         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
2961         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
2962         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
2963         sdbout_global_decl): Likewise.
2964         * simplify-rtx.c (simplify_subreg): Likewise.
2965         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
2966         expand_anon_union_decl, expand_end_case_type): Likewise.
2967         * unroll.c (calculate_giv_inc): Likewise.
2968         * var-tracking.c (stack_adjust_offset_pre_post,
2969         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
2970         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
2971         vt_add_function_parameters): Likewise.
2972         * varasm.c (make_var_volatile, notice_global_symbol,
2973         assemble_external, decode_addr_const, mark_weak,
2974         default_encode_section_info): Likewise.
2975
2976 2004-07-01  Steven Bosscher  <stevenb@suse.de>
2977
2978         * stmt.c (check_seenlabel): Remove.
2979         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
2980
2981 2004-07-01  Richard Henderson  <rth@redhat.com>
2982
2983         * function.h (struct function): Remove x_function_call_count.
2984         (function_call_count): Remove.
2985         * calls.c (expand_call): Don't set it.
2986         * integrate.c (copy_rtx_and_substitute): Likewise.
2987
2988         * function.h (struct function): Remove x_cleanup_label.
2989         (cleanup_label): Remove.
2990         * stmt.c (expand_value_return): Don't use it.
2991         * function.c (free_after_compilation): Don't set it.
2992         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
2993         * cfgexpand.c (tree_expand_cfg): Update call.
2994         * tree.h (expand_function_start): Update decl.
2995
2996 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2997
2998         PR c/1027
2999         * c-lang.c (c_initialize_diagnostics): Move from here ...
3000         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
3001         (c_tree_printer): Use pretty-printer to format %T.
3002         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
3003         before '*' if not C++.
3004         (pp_c_direct_abstract_declarator): Don't try to print array upper
3005         bound for flexible array members.
3006         * c-tree.h: Include "diagnostic.h".
3007         (c_initialize_diagnostics): Declare.
3008         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
3009         * c-format.c (format_type_warning): New function.  Improve
3010         diagnostics for incorrect format argument types.
3011         (check_format_types): Use it.  Add two parameters.  Use the
3012         TYPE_MAIN_VARIANT of wanted_type.
3013         (check_format_info_main): Pass new parameters to
3014         check_format_types.
3015         (struct format_wanted_type): Update comment.
3016
3017 2004-07-01  Nick Clifton  <nickc@redhat.com>
3018
3019         * target.h (struct gcc_target): Add new field to struct cxx:
3020         import_export_class.
3021         * target-def.h (TARGET_CXX): Initialise the new field.
3022         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
3023         the new field.
3024         * doc/tm.texi: Document the new target hook.
3025
3026 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3027
3028         * builtins.c (fold_builtin_classify): Fix typo.
3029
3030 2004-07-01  Richard Henderson  <rth@redhat.com>
3031
3032         * function.c (identify_blocks, identify_blocks_1): Remove.
3033         * function.h (identify_blocks): Remove.
3034         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
3035
3036 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3037
3038         * builtins.c (fold_builtin_classify): New.
3039         (fold_builtin_unordered_cmp): Fix commentary.
3040         (fold_builtin): Use it.
3041         * builtins.def: Define builtins for isnan,
3042         isnanf, isnanl, finite, finitef, finitel,
3043         isinf, isinff, isinfl.
3044
3045 2004-07-01  Richard Henderson  <rth@redhat.com>
3046
3047         * function.h (struct function): Remove dont_emit_block_notes.
3048         * gimple-low.c (lower_function_body): Don't set it.
3049         * cfgexpand.c (expand_block): Don't check it.
3050         * cfglayout.c (insn_locators_initialize): Likewise.
3051         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
3052         * passes.c (rest_of_compilation): Likewise.
3053         * stmt.c (expand_start_bindings_and_block): Likewise.
3054         (expand_end_bindings): Likewise.
3055
3056 2004-07-01  Richard Henderson  <rth@redhat.com>
3057
3058         * cgraph.h (cgraph_build_static_cdtor): Declare.
3059         * cgraphunit.c (cgraph_build_static_cdtor): New.
3060         * c-objc-common.c (build_cdtor): Use it.
3061         * coverage.c (create_coverage): Likewise.
3062         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
3063         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
3064
3065 See ChangeLog.11 for earlier changes.