OSDN Git Service

Fix NM/AR propagation from toplevel for recursive makes.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-12  James E Wilson  <wilson@specifixinc.com>
2
3         * Makefile.in (AR): Use @AR@ not ar.
4         (NM): New.
5         (AR_FOR_TARGET): Use $(AR) not ar for native.
6         (NM_FOR_TARGET): Use $(NM) not nm for native.
7         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
8         * configure: Regenerate.
9         
10 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
11
12         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
13         special case.
14         (ashldi3_sp64): Likewise.
15
16 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17
18         PR target/16477
19         * pa.c (function_arg): Update comment.
20         * pa.h (BLOCK_REG_PADDING): Define.
21
22 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
23
24         PR tree-optimization/16461
25         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
26         arguments of phi nodes.
27
28 2004-07-12  Devang Patel  <dpatel@apple.com>
29
30         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
31         
32 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
33
34         * function.c (expand_function_start): Ensure r_save is in Pmode.
35         * calls.c (prepare_call_address): Ensure static_chain_value is
36         in Pmode.
37         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
38         r_save_area are in Pmode.
39         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
40         fnaddr, and static_chain are in Pmode.
41
42 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
43
44         PR target/16445
45         * config/ia64/ia64.c (bundling): Don't count ignored insns.
46
47 2004-07-12  Richard Henderson  <rth@redhat.com>
48
49         * target.h (struct gcc_target): Move gimplify_va_arg_expr
50         next to build_builtin_va_list.
51         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
52         * builtins.c (gimplify_va_arg_expr): Likewise.
53         * gimplify.c (copy_if_shared_r): Likewise.
54
55 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
56
57         * passes.c (rest_of_decl_compilation): Don't defer call of
58         assemble_variable if its DECL_RTL is already set.
59
60 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
61
62         * cfgloop.h (struct loop): Add nb_iterations field.
63         (current_loops): Declare.  
64         * tree-chrec.c (chrec_not_analyzed_yet,
65         chrec_dont_know, chrec_known, count_ev_in_wider_type,
66         chrec_contains_symbols_defined_in_loop): Remove the temporary
67         hooks. 
68         * tree-flow-inline.h (loop_containing_stmt): New function.
69         * tree-scalar-evolution.c: Add implementation.
70         * tree-scalar-evolution.h: Add declarations.
71
72 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
73
74         PR rtl-optimization/15921
75         * Makefile.in (global.o): Add recog.h.
76         
77         * global.c (recog.h): Add the include-clause.
78         (bb_info): New member earlyclobber.
79         (allocate_bb_info, free_bb_info): Initialize/finish the new
80         member.
81         (earlyclobber_regclass, earlyclobber_regclass_length): The new
82         global variables.
83         (check_earlyclobber, regclass_intersect,
84         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
85         New functions.
86         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
87         (make_accurate_live_analysis): Modify pavin.
88         
89 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
90
91         * tree-cfg.c (find_taken_edge): Statically compute the truth
92         value of a predicate comparing an SSA_NAME to itself.
93
94 2004-07-12  Roger Sayle  <roger@eyesopen.com>
95
96         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
97         rs6000 doesn't have shift-and-add or shift-and-sub instructions
98         by returning the cost of a multiplication plus an addition.
99
100 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
101
102         PR tree-optimization/14107
103         * gimplify.c (gimplify_return_expr): Accept a
104         RETURN_EXPR with an error argument.
105         * tree-optimize.c (init_tree_optimization_passes):
106         Run pass_warn_function_return at -O0.
107
108 2004-07-12  Roger Sayle  <roger@eyesopen.com>
109
110         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
111         index entry.
112
113 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
114
115         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
116         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
117         * config/mips/3000.md: Add copyright notice.  Remove automota and
118         function units; use generic ones instead.  Only define reservations
119         for things that are different from generic.md.  Extend each clause
120         to include r3900.
121         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
122         * config/mips/mips.md: Include them. Remove define_function_units.
123         (alu, imuldiv): New automata and units.
124
125 2004-07-12  Ben Elliston  <bje@au.ibm.com>
126
127         * doc/invoke.texi (Optimize Options): Document -frename-registers
128         not being enabled by default at -O3.
129
130 2004-07-11  Roger Sayle  <roger@eyesopen.com>
131
132         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
133         floating point additions, to keep real immediate constant positive.
134         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
135         into X + C, and leave positive real constants as X - C.
136
137 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
138
139         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
140
141 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
142
143         PR tree-optimization/15654
144         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
145
146 2004-07-11  Roger Sayle  <roger@eyesopen.com>
147
148         * builtins.c (fold_builtin_fputs): Don't bother converting the
149         return type to integer_type_node, as we've already checked that
150         the result will be ignored.
151
152         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
153         that signed addition, subtraction, multiplication, division,
154         remainder, negation and absolute value may potentially trap.
155
156         * fold-const.c (fold_ignored_result): New function to strip
157         non-side-effecting tree nodes from an expression whose result
158         is ignored.
159         (fold_convert): Call fold_ignored_result when casting a value
160         to VOID_TYPE.
161         (omit_one_operand):  Call fold_ignored_result on the "omitted"
162         operand when building a COMPOUND_EXPR.
163         (pedantic_omit_one_operand): Likewise.
164         * tree.h (fold_ignored_result): Prototype here.
165         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
166         when we're going to ignore the result.
167
168 2004-07-11  Richard Henderson  <rth@redhat.com>
169
170         PR tree-opt/16383
171         * tree-ssa-ccp.c (fold_stmt_r): Split out...
172         * tree.c (fields_compatible_p, find_compatible_field): ... new.
173         * tree.h (fields_compatible_p, find_compatible_field): Declare.
174         * tree-sra.c (sra_hash_tree): Hash fields by offset.
175         (sra_elt_eq): Use fields_compatible_p.
176         (generate_one_element_ref): Use find_compatible_field.
177
178 2004-07-11  Richard Henderson  <rth@redhat.com>
179
180         PR tree-opt/16422
181         * tree-sra.c (generate_one_element_init): New.
182         (generate_element_init): Use it.
183         (scalarize_init): Push/pop gimplify context around it.
184         (find_new_referenced_vars_1, find_new_referenced_vars): New.
185         * gimplify.c (gimplify_expr): Allow SSA_NAME.
186
187 2004-07-11  Roger Sayle  <roger@eyesopen.com>
188
189         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
190         combine.c's combine_insn_cost.
191         * rtl.h (insn_rtx_cost): Prototype here.
192         * combine.c (combine_insn_cost): Delete function.
193         (combine_validate_cost): Update callers of combine_insn_cost to
194         call insn_rtx_cost instead.
195         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
196         requesting the rtx_cost of call and/or jump instructions.
197
198         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
199         rtx_cost directly.  Don't request/use the cost of call or jump
200         instructions.  Return -1 if the cost of any instruction can't be
201         determined (or the BB contains a function call).
202         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
203         -1 (i.e. can't determine the cost of any instruction or the basic
204         block contains a subroutine call).
205         (find_if_case_2): Likewise.
206
207 2004-07-11  Roger Sayle  <roger@eyesopen.com>
208
209         * rs6000.c (struct processor_costs): Change semantics of fields to
210         include the COST_N_INSNS scaling, and update all initializers.
211         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
212         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
213         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
214         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
215
216 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
217
218         * LANGUAGES: Remove obsolete information.
219
220 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
221
222         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and 
223         SIGBUS signal frames, the PSW address points *to* the faulting
224         instruction, not after it.
225
226 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
227
228         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
229         added to TLS symbol addresses.
230
231 2004-07-11  Richard Henderson  <rth@redhat.com>
232
233         * expmed.c (init_expmed): Use stack-local structures for 
234         temporary rtl.  Don't recognize shifts.
235
236 2004-07-11  Richard Henderson  <rth@redhat.com>
237
238         * expr.c (store_expr): Don't fiddle subreg promotion for types
239         with precision smaller than the mode.
240
241 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
242
243         * tree.h (all_types_permanent): Remove.
244
245 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
246
247         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
248         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
249         * langhooks.c (lhd_clear_binding_stack): Remove.
250         * langhooks-def.h (lhd_clear_binding_stack,
251         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
252         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
253         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
254         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
255         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
256         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
257         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
258         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
259         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
260         * tree.h (poplevel): Don't declare.
261         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
262         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
263         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
264         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
265         Remove.
266
267 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
268
269         PR tree-optimization/16437
270         * c-common.c (shorten_compare): Don't mark result of conversion to
271         narrower signed type as overflowing.
272         * fold-const.c (decode_field_reference): Determine whether
273         signedness comes from outer type using precision rather than size.
274
275 2004-07-11  Phil Edwards  <phil@codesourcery.com>
276
277         * configure.ac:  Alphabetize --enable-checking list, add
278         missing valgrind entry.
279         * configure:  Regenerate.
280
281 2004-07-11  Phil Edwards  <phil@codesourcery.com>
282
283         * doc/install.texi (Testing):  Fix syntax in "make check" example.
284
285 2004-07-10  James E Wilson  <wilson@specifixinc.com>
286
287         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
288
289 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
290
291         PR rtl-optimization/16001
292         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
293         niter_expr.
294
295 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
296
297         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
298
299 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
300             James Morrison  <phython@gcc.gnu.org>
301
302         * doc/contrib.texi (Contributors): Add gfortran contributors and
303         fix a couple of typos.
304
305 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
306
307         PR rtl-optimization/15387
308         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
309         to incoming args space correctly.
310
311 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
312
313         * pa.c (output_indirect_call): Only use %r2 as the link register in
314         indirect calls with the long PA 2.0 pc-relative branch.
315
316 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
317
318         * config/i386/i386.c (override_options): Pick a 64-bit CPU
319         for the default tuning if TARGET_64BIT.
320
321 2004-07-10  Richard Henderson  <rth@redhat.com>
322
323         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
324         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
325
326 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
327
328         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
329         * expmed.c (store_bit_field, extract_bit_field): Remove last
330         argument.
331         * builtins.c (expand_builtin_signbit): Adjust callers.
332         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
333         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
334         * ifcvt.c (noce_emit_move_insn): Likewise.
335         * stmt.c (expand_return): Likewise.
336         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
337         store_field, expand_expr_real_1): Likewise.
338
339 2004-07-10  Richard Henderson  <rth@redhat.com>
340
341         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
342
343 2004-07-09  Mike Stump  <mrs@apple.com>
344
345         * config/darwin.c (no_dead_strip): Add.
346         (HAVE_DEAD_STRIP): Add.
347         (darwin_emit_unwind_label): Ensure that we don't dead code strip
348         the .eh label.
349
350 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
351
352         * tree-ssa-loop-im.c: New file.
353         * Makefile.in (tree-ssa-loop-im.o): Add.
354         * cfgloop.c (superloop_at_depth): New function.
355         * cfgloop.h (superloop_at_depth): Declare.
356         * common.opt (ftree-lim): New flag.
357         * expr.c (array_ref_up_bound): New function.
358         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
359         * timevar.def (TV_LIM): New timevar.
360         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
361         computing immediate uses of a phi node.
362         * tree-flow.h (struct tree_ann_common_d): Add aux field.
363         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
364         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
365         * tree-pass.h (pass_lim): Declare.
366         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
367         functions.
368         (pass_lim): New pass structure.
369         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
370         * tree.c (in_array_bounds_p): New function.
371         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
372         (in_array_bounds_p, array_ref_up_bound): Declare.
373         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
374         * doc/passes.texi (tree-ssa-loop-im.c): Document.
375
376 2004-07-09  Richard Henderson  <rth@redhat.com>
377
378         * builtins.c (expand_builtin_stpcpy): Don't modify len.
379
380         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
381         with prejudice.
382
383 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
384
385         * flags.h: Delete redundant prototypes that are being generated
386         in options.h from common.opt.
387         * common.opt: Add in the expository comments formerly in flags.h.
388
389 2004-07-09  Jan Beulich  <jbeulich@novell.com>
390
391         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
392         available for use only when TARGET_MMX/_SSE is set, and check for
393         variable argument function if any register count is non-zero.
394         (function_arg): Correctly suppress repeated warnings for passing SSE
395         vectors are arguments without SSE enabled.
396         (ix86_function_arg_boundary): Without SSE enabled, the use of what
397         would be SSE register modes does no longer influence the alignment.
398
399 2004-07-09  Richard Henderson  <rth@redhat.com>
400
401         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
402         Always align upward to arg boundary.  Use size_in_bytes/round_up.
403         Maintain type-correctness of constants.
404         * stor-layout.c (round_up, round_down): Special-case powers of 2.
405
406 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
407
408         * config/sparc/sparc.c (*_costs): Scale instruction costs
409         by COSTS_N_INSNS.
410         (sparc_rtx_costs): Adjust as appropriate.
411
412 2004-07-09  Jan Beulich  <jbeulich@novell.com>
413
414         * config/i386/mm3dnow.h: New.
415         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
416
417 2004-07-09  Richard Henderson  <rth@redhat.com>
418
419         * simplify-rtx.c (simplify_const_relational_operation): Only
420         look at bounds of scalar integers.
421
422 2004-07-09  Jan Beulich  <jbeulich@novell.com>
423
424         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
425
426 2004-07-09  Andrew Pinski  <apinski@apple.com>
427
428         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
429         always referenced.
430         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
431         UOBJC_METACLASS_decl.
432
433 2004-07-09  James E Wilson  <wilson@specifixinc.com>
434
435         PR target/16364
436         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
437         do return a parallel if hfa_mode == XFmode and mode == TImode.
438
439 2004-07-09  Jan Beulich  <jbeulich@novell.com>
440
441         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
442         permissible for unary plus.
443
444 2004-07-09  Jan Beulich  <jbeulich@novell.com>
445
446         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
447         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
448         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
449         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
450         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
451         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
452         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
453         (BUILTIN_xxxIMAX): New.
454         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
455         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
456         BUILT_IN_PARITYIMAX.
457
458 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
459
460         * config/sparc/sparc.h (processor_costs): Define.
461         (sparc_costs): Declare.
462         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
463         hypersparc_costs, sparclet_costs, ultrasparc_costs,
464         ultrasparc3_costs): New.
465         (sparc_override_options): Set sparc_costs as appropriate.
466         (sparc_rtx_costs): Use sparc_costs instead of messy
467         conditionals.
468         
469 2004-07-09  Steven Bosscher  <stevenb@suse.de>
470
471         * doc/md.texi (Processor pipeline description): Mention that
472         the old pipeline description is deprecated.
473
474         * config/rs6000/7450.md (automaton ppc7450): Split up, move
475         mciu_7450 function unit to...
476         (automaton ppc7450mciu): ...new automaton.
477
478         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
479         (schedule_block): Don't consider inserting bubbles.
480         (sched_init): Don't initialize DFA bubbles.
481         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
482         TARGET_SCHED_DFA_BUBBLE): Remove.
483         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
484         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
485         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
486
487         * stmt.c (conditional_context): Remove prototype.
488         * tree.h (conditional_context): Remove.
489         * tree-cfg.c (pre_insert_on_edge): Remove.
490
491         * c-common.h (c_expand_asm_operands): Remove prototype.
492         * c-typeck.c (c_expand_asm_operands): Remove.
493
494 2004-07-09  Jan Beulich  <jbeulich@novell.com>
495
496         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
497         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
498         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
499         and V8QI are class SSE. All sufficiently small remaining vector modes
500         must be passed in one or two integer registers.
501         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
502         returned in memory.
503         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
504         __builtin_ia32_pmuludq128 have non-uniform argument and return types
505         and must thus be handled explicitly.
506         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
507         MMX and XMM regs.
508         (movv8qi_internal, movv4hi_internal, movv2si_internal,
509         movv2sf_internal): Permit moving between MMX and XMM registers (since
510         MMX areguments and return values are passed in XMM registers).
511         (sse2_umulsidi3): Correct type and mode.
512
513 2004-07-09  Richard Henderson  <rth@redhat.com>
514
515         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
516
517 2004-07-09  Eric Christopher  <echristo@redhat.com>
518
519         * config/rs6000/40x.md: Split into two automatons.
520
521 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
522             Andrew Pinski  <apinski@apple.com>
523
524         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
525         on when we have more than one input file.
526         (c_common_parse_file): Restore loop over all input files.
527         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
528
529         * c-decl.c (set_type_context): New function.
530         (pop_scope): Use it to set context of types.  When we
531         encounter a TYPE_DECL, set the context of the attached type too.
532         (pop_file_scope): Don't call cpp_undef_all here.
533         (diagnose_mismatched_decls): Do not complain about a second
534         definition of an 'extern inline' function if it's not in the
535         same translation unit.  Do not complain about inline
536         declaration after use if the use was in a different
537         translation unit.
538         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
539         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
540         the external scope.
541         (pushdecl_top_level): Likewise.
542         (grokdeclarator): Clarify what is going on with setting
543         DECL_EXTERNAL on function types, a little.
544         (c_write_global_declarations): Don't do anything if
545         -fsyntax-only or errors have been encountered.
546
547 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
548
549         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
550
551 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
552
553         PR target/16459
554         * pa.c (output_indirect_call): Use %r2 as the link register when
555         calling $$dyncall with a pc-relative branch.
556
557 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
558
559         * doc/install.texi (Binaries): Mention OpenPKG.
560
561 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
562
563         Fix PR tree-optimization/15555
564         * tree-dfa.c (dump_variable): If the variable is a pointer
565         SSA_NAME, also dump its points-to information.
566         * tree-flow.h (struct ptr_info_def): Add field
567         is_dereferenced.
568         (dump_points_to_info_for): Declare.
569         (debug_points_to_info_for): Declare.
570         * tree-optimize.c (init_tree_optimization_passes): Add a
571         second alias analysis pass after DOM2.
572         Move pass_del_pta to a later spot.
573         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
574         create a name tags when we find a dereferenced pointer.  Just
575         mark the pointer dereferenced.
576         (collect_points_to_info_for): Move code to clear points-to
577         information to create_name_tags.
578         (create_name_tags): New function.
579         (compute_flow_sensitive_aliasing): Call it.
580         (setup_pointers_and_addressables): Mark type tags for renaming
581         here instead of ...
582         (create_memory_tag): ... here.
583         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
584         (dump_points_to_info_for): Declare extern.
585         (debug_points_to_info_for): New function.
586
587 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
588
589         * config/arc/arc.md: Switch to DFA-based scheduler description.
590         * config/arc/arc.c: Switch to DFA-based scheduler description.
591
592 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
593
594         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
595         pointer.
596
597 2004-07-09  Richard Henderson  <rth@redhat.com>
598
599         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
600         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
601         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
602         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
603
604         * config/v850/v850-protos.h (v850_va_arg): Remove.
605         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
606         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
607         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
608         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
609         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
610
611 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
612
613         PR target/12133
614         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
615         and DImode to use +/-4k offset.
616
617 2004-07-09  Richard Henderson  <rth@redhat.com>
618
619         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
620         Remove.
621         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
622         (xstormy16_gimplify_va_arg_expr): Rewrite from
623         xstormy16_expand_builtin_va_arg.
624         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
625
626         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
627         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
628
629         * config/sh/sh-protos.h (sh_va_arg): Remove.
630         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
631         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
632         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
633
634         * config/pa/pa-protos.h (hppa_va_arg): Remove.
635         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
636         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
637         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
638
639         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
640         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
641         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
642         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
643
644 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
645
646         * config/sparc/sparc.md (return): Rewrite length formula.
647         * config/sparc/sparc.c (output_return): Pass 1 as 5th
648         argument to final_scan_insn when in a delay slot.
649         (output_sibcall): Likewise.
650
651 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
652
653         * arm.c (arm_cpp_interwork): New variable.
654         (arm_override_options): Set it if TARGET_INTERWORK was on the command
655         line.
656         * arm.h (arm_cpp_interwork): Declare it.
657         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
658         __THUMB_INTERWORK__ in the preprocessor.
659
660 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
661
662         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
663
664 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
665
666         PR target/16416
667         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
668         Override default settings to account for -m32 and -m64.
669
670 2004-07-08  Randolph Chung  <tausq@debian.org>
671
672         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
673
674 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
675
676         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
677         before comparing it as such.
678
679 2004-07-08  Richard Henderson  <rth@redhat.com>
680
681         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
682         temporary.  Use bit arithmetic to align.
683
684 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
685
686         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
687         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
688         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
689         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
690         add_labels_and_missing_jumps, find_jump_block,
691         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
692         Likewise.
693         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
694         link_btr_uses, move_btr_def): Likewise.
695         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
696         expand_builtin_expect_jump): Likewise.
697         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
698         * calls.c (expand_call, emit_library_call_value_1): Likewise.
699         * cfganal.c (forwarder_block_p): Likewise.
700         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
701         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
702         find_bb_boundaries): Likewise.
703         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
704         merge_blocks_move_predecessor_nojumps,
705         merge_blocks_move_successor_nojumps, insns_match_p,
706         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
707         try_optimize_cfg): Likewise.
708         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
709         * cfglayout.c (skip_insns_after_block, label_for_bb,
710         record_effective_endpoints, insn_locators_initialize,
711         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
712         * cfgmainloop.c (create_loop_notes): Likewise.
713         * cfgrtl.c (delete_insn, delete_insn_chain,
714         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
715         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
716         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
717         redirect_branch_edge, force_nonfallthru_and_redirect,
718         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
719         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
720         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
721         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
722         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
723         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
724         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
725         * combine.c (combine_instructions, can_combine_p, try_combine,
726         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
727         distribute_notes, distribute_links, insn_cuid): Likewise.
728         * cse.c (fold_rtx, cse_insn, cse_around_loop,
729         invalidate_skipped_block, cse_set_around_loop,
730         cse_end_of_basic_block, cse_main, cse_basic_block,
731         cse_condition_code_reg): Likewise.
732         * cselib.c (cselib_process_insn): Likewise.
733         * ddg.c (create_ddg): Likewise.
734         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
735         Likewise.
736         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
737         gen_label_die, dwarf2out_var_location): Likewise.
738         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
739         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
740         last_call_insn, active_insn_p, next_label, prev_label,
741         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
742         add_insn_before, remove_insn, add_function_usage_to,
743         reorder_insns, find_line_note, remove_unnecessary_notes,
744         emit_insn_after_1, classify_insn): Likewise.
745         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
746         connect_post_landing_pads, sjlj_mark_call_sites,
747         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
748         can_throw_internal, can_throw_external, set_nothrow_function_flags,
749         convert_to_eh_region_ranges): Likewise.
750         * explow.c (optimize_save_area_alloca): Likewise.
751         * expr.c (expand_expr_real): Likewise.
752         * final.c (insn_current_reference_address, compute_alignments,
753         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
754         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
755         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
756         propagate_block_delete_insn, propagate_one_insn,
757         init_propagate_block_info, propagate_block, libcall_dead_p,
758         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
759         Likewise.
760         * function.c (instantiate_virtual_regs, reorder_blocks_1,
761         expand_function_start, expand_function_end, contains,
762         thread_prologue_and_epilogue_insns,
763         reposition_prologue_and_epilogue_notes): Likewise.
764         * gcse.c (constprop_register, bypass_conditional_jumps,
765         insert_insn_end_bb, gcse_after_reload): Likewise.
766         * genemit.c (gen_expand, gen_split): Likewise.
767         * genpeep.c (gen_peephole, main): Likewise.
768         * global.c (build_insn_chain): Likewise.
769         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
770         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
771         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
772         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
773         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
774         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
775         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
776         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
777         dead_or_predicable): Likewise.
778         * integrate.c (try_constants): Likewise.
779         * jump.c (rebuild_jump_labels, cleanup_barriers,
780         purge_line_number_notes, init_label_info, mark_all_labels,
781         squeeze_notes, get_label_before, get_label_after,
782         reversed_comparison_code_parts, simplejump_p, pc_set,
783         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
784         delete_barrier, delete_prior_computation, delete_computation,
785         delete_related_insns, delete_for_peephole, redirect_jump):
786         Likewise.
787         * lcm.c (optimize_mode_switching): Likewise.
788         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
789         Likewise.
790         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
791         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
792         * loop-iv.c (simplify_using_assignment): Likewise.
793         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
794         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
795         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
796         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
797         check_insn_for_givs, check_final_value, update_giv_derive,
798         basic_induction_var, product_cheap_p, check_dbra_loop,
799         loop_insn_first_p, last_use_this_basic_block,
800         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
801         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
802         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
803         sms_schedule_by_order): Likewise.
804         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
805         * postreload.c (reload_cse_simplify_operands, reload_combine,
806         reload_cse_move2add): Likewise.
807         * predict.c (can_predict_insn_p, estimate_probability,
808         expected_value_to_br_prob, process_note_predictions): Likewise.
809         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
810         * profile.c (branch_prob): Likewise.
811         * ra-build.c (live_out_1, livethrough_conflicts_bb,
812         detect_webs_set_in_cond_jump): Likewise.
813         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
814         ra_print_rtl_with_bb): Likewise.
815         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
816         * recog.c (next_insn_tests_no_inequality, find_single_use,
817         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
818         * reg-stack.c (next_flags_user, record_label_references,
819         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
820         compensate_edge, convert_regs_1): Likewise.
821         * regclass.c (scan_one_insn): Likewise.
822         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
823         regmove_optimize, fixup_match_1, single_set_for_csa,
824         combine_stack_adjustments_for_block): Likewise.
825         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
826         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
827         find_equiv_reg): Likewise.
828         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
829         reload_as_needed, emit_input_reload_insns, do_output_reload,
830         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
831         Likewise.
832         * reorg.c (find_end_label, emit_delay_sequence,
833         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
834         get_jump_flags, rare_destination, mostly_true_jump,
835         try_merge_delay_insns, redundant_insn, own_thread_p,
836         fill_simple_delay_slots, fill_slots_from_thread,
837         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
838         dbr_schedule): Likewise.
839         * resource.c (find_basic_block, next_insn_no_annul,
840         find_dead_or_set_registers, mark_target_live_regs): Likewise.
841         * rtl.h (RTX_PREV): Likewise.
842         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
843         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
844         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
845         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
846         tablejump_p, computed_jump_p, insns_safe_to_move_p,
847         find_first_parameter_load, can_hoist_insn_p): Likewise.
848         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
849         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
850         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
851         schedule_ebbs): Likewise.
852         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
853         is_conditionally_protected, can_schedule_ready_p,
854         add_branch_dependences, debug_dependencies): Likewise.
855         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
856         Likewise.
857         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
858         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
859         set_dominates_use, ujump_to_loop_cont): Likewise.
860         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
861         * varasm.c (output_constant_pool_1): Likewise.
862
863 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
864
865         * tree-scalar-evolution.c: New file.
866         * tree-scalar-evolution.h: New file.
867         * tree-ssa-loop-niter.c: New file.
868         * Makefile.in (SCEV_H): New.
869         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
870         * cfgloop.h (struct loop): Add bounds field.
871         * tree-flow.h (struct tree_niter_desc): New type.
872         (number_of_iterations_cond, number_of_iterations_exit,
873         loop_niter_by_eval, find_loop_niter_by_eval,
874         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
875         free_numbers_of_iterations_estimates): Declare.
876         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
877         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
878         * doc/invoke.texi (max-iterations-to-track): Document.
879
880 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
881
882         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
883         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
884         (MODE_AFTER): Add cast appropriately.
885         * config/sh/sh.md (movdi splitter): Likewise.
886         (casesi_worker_2): Add const qualifier appropriately.
887         (eh_return): Remove unused variable.
888         (insv): Initialize v;
889
890 2004-07-08  Richard Henderson  <rth@redhat.com>
891
892         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
893         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
894         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
895         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
896         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
897
898         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
899         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
900         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
901         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
902
903         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
904         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
905         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
906         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
907
908         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
909         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
910         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
911         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
912
913         * config/i860/i860-protos.h (i860_va_arg): Remove.
914         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
915         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
916         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
917
918 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
919
920         * system.h: Prototype getpagesize if missing.
921         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
922         * configure: Regenerate.
923         * config.in: Regenerate.
924
925 2004-07-08  Richard Henderson  <rth@redhat.com>
926
927         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
928         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
929         (fr30_gimplify_va_arg_expr): New.
930         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
931         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
932
933 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
934
935         PR target/16414
936         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
937         of asm_noperands result.
938
939 2004-07-08  Richard Henderson  <rth@redhat.com>
940
941         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
942         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
943         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
944         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
945
946 2004-07-08  Richard Henderson  <rth@redhat.com>
947
948         * builtins.c (ind_gimplify_va_arg_expr): New.
949         * tree.h (ind_gimplify_va_arg_expr): Declare.
950         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
951
952 2004-07-08  Jan Beulich  <jbeulich@novell.com>
953
954         * expmed.c (extract_bit_field): Correct condition to use vec_extract
955         patterns also on vector elements other than the first one.
956         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
957         break statements.
958
959 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
960
961         * config/rs6000/darwin-ldouble.c: Correct reference
962         to the Linnainmaa paper.
963
964 2004-07-08  Richard Henderson  <rth@redhat.com>
965
966         * config/arc/arc-protos.h (arc_va_arg): Remove.
967         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
968         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
969         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
970
971         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
972         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
973         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
974         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
975
976 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
977
978         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
979
980 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
981
982         * c-decl.c (static_ctors, static_dtors): Make static.
983         (pop_file_scope): Call c_common_write_pch and
984         cgraph_finalize_compilation_unit here.
985         (build_cdtor): Moved here from c-objc-common.c; simplify.
986         (c_write_global_declarations_1): Clarify comment.
987         (c_write_global_declarations): Close the external scope before
988         doing anything else.  Call build_cdtor, cgraph_optimize, and
989         mudflap_finish_file here.
990         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
991         Clarify comment.
992         * c-objc-common.c: No need to include cgraph.h.
993         (build_cdtor): Moved to c-decl.c.
994         (c_objc_common_finish_file): Delete.
995         * c-tree.h: Update to match.
996         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
997         (generate_static_references): Set TREE_USED before calling finish_decl.
998         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
999         on the static_instances_decl.
1000
1001 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1002
1003         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
1004         decls when there is only one input translation unit.
1005         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
1006         change of 2004-07-05; do not treat declarations with
1007         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
1008         * opts.c (cur_in_fname): Delete.
1009         * opts.h: Likewise.
1010         * tree.c: Revert changes of 2004-07-05; no special treatment
1011         for TRANSLATION_UNIT_DECLs.
1012         * Makefile.in (tree.o): Update dependencies.
1013
1014 2004-07-08  Roger Sayle  <roger@eyesopen.com>
1015
1016         * builtins.c (fold_builtin_strcpy): Merge functionality from
1017         simplify_builtin_strcpy.  Add additional len argument.  No longer
1018         static.  Remove function prototype.
1019         (fold_builtin_strncpy): Likewise integrate functionality from
1020         simplify_builtin_strncpy.  Add additional slen argument.  No
1021         longer static.  Remove function prototype.
1022         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1023         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
1024         types of "ignore" and "unlocked" parameters to bool.
1025         (fold_builtin_1):  Add additional ignore argument.  Call renamed
1026         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1027         builtins.  Update arguments to fold_builtin_strncpy and
1028         fold_builtin_strcpy.  Add function prototype.
1029         (fold_builtin): Add additional Boolean ignore argument to pass
1030         to fold_builtin_1.
1031         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1032         and fold_builtin_strncpy instead of simplify_builtin_fputs,
1033         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1034
1035         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1036         simplify_builtin_strncpy): Delete function prototypes.
1037         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1038         fold_builtin_strncpy): Add function prototypes here.
1039         (fold_builtin): Update function prototype with new "bool ignore".
1040
1041         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1042         (ccp_fold_builtin):  Update call to fold_builtin.  Call
1043         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1044         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1045         simplify_builtin_strncpy respectively.
1046         * fold-const.c (fold): Update call to fold_builtin.
1047
1048 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1049
1050         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1051         to strcpy.
1052
1053         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1054         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1055         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1056         * calls.c: Remove ifdefs of macros above.
1057         * functions.c: Likewise.
1058         * expr.c: Likewise.
1059
1060 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1061
1062         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1063         (arch attribute): Delete.
1064         (current_function_calls_alloca attribute): Rename into calls_alloca.
1065         (calls_eh_return): New attribute.
1066         (leaf_function): Likewise.
1067         (length attribute): Fix formula for sibcalls.
1068         (return insn): Correctly compute the 'length' attribute.
1069         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1070
1071 2004-07-08  Richard Henderson  <rth@redhat.com>
1072
1073         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1074         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1075         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1076         * tree-eh.c (lower_eh_constructs_1): Likewise.
1077         * tree-sra.c (sra_walk_modify_expr): Likewise.
1078         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1079         (eliminate_unnecessary_stmts): Likewise.
1080         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1081         * tree-tailcall.c (optimize_tail_call): Likewise.
1082         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1083
1084 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1085             Jakub Jelinek  <jakub@redhat.com>
1086
1087         * config/i386/i386.c (override_options): Enable
1088         SSE prefetches with -mtune, as long as we are
1089         compiling for i686 or higher.  All i686 processors
1090         accept SSE prefetches as NOPS, some i586's don't.
1091
1092 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1093
1094         PR target/10567
1095         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1096
1097 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1098
1099         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1100         the handling of clobbering ASM_EXPRs.
1101
1102 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1103
1104         PR target/16430
1105         * config/sparc/sparc.c (function_value): In 64-bit mode,
1106         return the aggregates larger than 16 bytes like unions.
1107
1108 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1109
1110         PR target/16199
1111         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1112         'temp' is zero, generate new pseudos as needed and emit the
1113         sequence of insns in single-assignment form.  Resync comments
1114         with code.
1115         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1116         function before reload.
1117
1118 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
1119
1120         * vec.c (vec_assert_fail): Remove duplicate 'function'.
1121
1122         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1123
1124         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1125         Allocation is signed.
1126         (VEC_reserve): Return flag, allocation is signed.
1127
1128 2004-07-08  Richard Henderson  <rth@redhat.com>
1129
1130         * tree-ssa-ccp.c (fold_stmt): Get type directly from
1131         OBJ_TYPE_REF_OBJECT.
1132
1133 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1134             Neil Booth  <neil@daikokuya.co.uk>
1135
1136         PR c/2511
1137         PR c/3325
1138         * c-decl.c (finish_struct): Ensure bit-fields are given the
1139         correct type.
1140         * c-common.c (c_common_signed_or_unsigned_type): For C, require
1141         the precision to match as well as the mode.
1142         * expr.c (reduce_to_bit_field_precision): New function.
1143         (expand_expr_real_1): Reduce expressions of bit-field type to
1144         proper precision.
1145         * langhooks.h (reduce_bit_field_operations): New hook.
1146         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1147         Define.
1148         * c-lang.c, objc/objc-lang.c
1149         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1150         * objc/objc-act.c (check_ivars): Convert types to bit-field types
1151         before checking.
1152         * tree.c (build_nonstandard_integer_type): New function.
1153         * tree.h (build_nonstandard_integer_type): New prototype.
1154         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1155         conversions between integer and boolean types as useless.
1156
1157 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1158
1159         * c-common.c (c_common_nodes_and_builtins): Do not
1160         create __builtin_ptrdiff_t and __builtin_size_t.
1161
1162 2004-07-08  Andrew Pinski  <apinski@apple.com>
1163
1164         * Makefile.in (libbackend.o): Add -combine to the gcc
1165         command line.
1166
1167 2004-07-08  Nick Clifton  <nickc@redhat.com>
1168
1169         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1170         Set to -Os.
1171
1172 2004-07-08  Richard Henderson  <rth@redhat.com>
1173
1174         * except.c (expand_eh_region_start, expand_eh_region_end,
1175         expand_eh_handler, expand_eh_region_end_cleanup,
1176         expand_start_all_catch, expand_start_catch, expand_end_catch,
1177         expand_end_all_catch, expand_eh_region_end_allowed,
1178         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1179         expand_eh_region_end_fixup): Remove.
1180         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1181         cleanups, outer_cleanups, label_chain, exception_region.
1182         (struct goto_fixup): Remove stack_level, cleanup_list_list.
1183         (struct label_chain): Remove.
1184         (struct stmt_status): Remove x_stack_block_stack.
1185         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1186         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1187         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1188         end_cleanup_deferral, last_cleanup_this_contour,
1189         containing_blocks_have_cleanups_or_stack_level,
1190         any_pending_cleanups): Remove.
1191         (expand_null_return_1): Take no arguments.
1192         (expand_label, expand_naked_return, expand_return,
1193         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1194         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1195         expand_end_case_type): Don't use any of them.
1196         * calls.c (expand_call): Likewise.
1197         * dojump.c (do_jump): Likewise.
1198         * function.c (expand_function_end): Likewise.
1199         * expr.c (store_expr, expand_expr_real_1): Likewise.
1200         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1201         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1202         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1203         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1204         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1205         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1206         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1207         for WITH_CLEANUP_EXPR.
1208         (gimple_push_cleanup): Likewise.
1209         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1210         * print-tree.c (print_node): Likewise.
1211         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1212         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1213         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1214         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1215         (GOTO_SUBROUTINE_EXPR): Remove.
1216         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1217         (DECL_TOO_LATE): Remove.
1218         * except.h, tree.h: Update decls.
1219
1220 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1221
1222         * explow.c (optimize_save_area_alloca): Do not accept parameters.
1223         * passes.c (rest_of_handle_final): Handle symout.
1224         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1225         Push timevar here.
1226         (rest_of_handle_sched): Break out SMS.  Remove ifs for
1227         flag_schedule_insns and flag_modulo_sched.
1228         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1229         collect at the end.
1230         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1231         (rest_of_handle_partition_blocks, rest_of_handle_sms,
1232         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1233         rest_of_handle_mode_switching, rest_of_handle_jump,
1234         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1235         rest_of_handle_jump2, rest_of_handle_postreload,
1236         rest_of_handle_flow2, rest_of_clean_state,
1237         rest_of_handle_shorten_branches,
1238         rest_of_handle_prologue_epilogue,
1239         rest_of_handle_branch_target_load_optimize): New.
1240         (rest_of_compilation): Call the above.  Remove ggc_collect
1241         calls moved to rest_of_handle_*.
1242         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1243
1244         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1245         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1246         * except.h (set_nothrow_function_flags): Update comment.
1247         * function.c (current_function_nothrow): Remove.
1248         * output.h (current_function_nothrow): Remove.
1249         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1250         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1251
1252 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1253
1254         PR bootstrap/16326
1255         * reorg.c: Revert 2004-06-30 change.
1256         (find_end_label): If HAVE_epilogue and !HAVE_return,
1257         return 0 instead of creating a label at the end of the insn chain.
1258         (optimize_skip): Account for the failure mode of find_end_label.
1259         (fill_simple_delay_slots): Likewise.
1260         (fill_slots_from_thread): Likewise.
1261         (relax_delay_slots): Likewise.
1262
1263 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1264
1265         * tree-flow.h (addressable_vars): Declare.
1266         * tree-ssa-alias.c (addressable_vars): Define.
1267         (setup_pointers_and_addressables): Add addressable variables
1268         to addressable_vars.
1269         * tree-ssa-operands.c (get_stmt_operands): Move
1270         handling of ASM_EXPRs ...
1271         (get_asm_expr_operands): ... here.
1272         When the ASM_EXPR clobbers memory, also clobber addressable
1273         variables.
1274         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
1275         (delete_tree_ssa): Reset addressable_vars.
1276
1277 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1278             Richard Henderson  <rth@redhat.com>
1279
1280         * varasm.c (assemble_variable): Use assemble_zeros for
1281         zero-initialized variables.
1282         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
1283         for SECCAT_BSS and SECCAT_TBSS.
1284
1285 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1286
1287         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
1288
1289         * expmed.c (emit_store_flag): Also special-case double-word
1290         (in-)equality comparison against -1.
1291
1292         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
1293         passing arguments the containers for which are registers.
1294
1295         * calls.c (emit_library_call_value_1): Use mode of function parameter
1296         rather than that of argument since constants have none.
1297
1298 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1299
1300         Introduce H8SX support.
1301         * expr.c (expand_strcpy): Renamed and moved to...
1302         * builtins.c (expand_movstr): ... here.  Tweak.
1303         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
1304         computed or has side effects.
1305         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
1306         unused, or if mempcpy fails.  Adjust the return value in the
1307         latter case.  Use movstr if everything else fails.
1308         * doc/md.texi (movstr): Document.
1309         (movmemM, clrmemM): Fix explanation of memory block operands.
1310         * config/h8300/h8300.md (stpcpy): Renamed to...
1311         (movstr): ... this.  Adjust.
1312         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1313         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
1314         movmem* and clrstr* to clrmem*.
1315         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
1316         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
1317         GENERAL_REGS, always.
1318         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
1319         getting the stack pointer as addr.
1320         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
1321         from general_operand_dst.
1322         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
1323         variant of...
1324         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
1325         instead of requiring it to match only before reload.
1326         (stpcpy_internal_normal): New, normal-mode variant of...
1327         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
1328         `D' instead of requiring it to match only before reload.
1329         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
1330         mode argument.
1331         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
1332         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
1333         h8300_get_index.
1334         * config/h8300/h8300.md (attr type): Add call.
1335         (attr can_delay): If type is call, set it no.
1336         (call, call_value): Set type to call.
1337         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
1338         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
1339         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
1340         * tree.c (get_narrower): Don't narrow integral types into
1341         non-integral types.
1342         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
1343         frame_size *before* the first use.
1344         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
1345         on input.
1346         (peephole2): Don't widen instructions that push SP.  Move
1347         decrement of SP to the end of all stm-generating peepholes.
1348         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1349         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
1350         and OR to set it to all ones.
1351         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1352         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
1353         (call, call_value): Set can_delay to "no".
1354         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
1355         * config/h8300/h8300.md (extzv): Make subreg check more robust.
1356         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1357         * config/h8300/h8300.md (*brabit): Remove.
1358         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
1359         zero_extract.  Use bit_memory_operand as the predicate for
1360         operand 1 and 'WU' as the constraint.  Check the difference
1361         between the base length and the final one when deciding which
1362         type of branch to use.
1363         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1364         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
1365         Use convert_move to extend the result for TARGET_H8300SX.  Check
1366         for QImode memory references.  Optimize the case where the
1367         destination is a paradoxical subreg.
1368         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1369         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
1370         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
1371         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1372         * config/h8300/h8300.md: Include mova.md
1373         (length_table): Add mova and mova_zero.
1374         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
1375         after all constant addresses for '%R', '%X', '%T' and '%S'.
1376         (h8300_mova_length): New function.
1377         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
1378         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
1379         dependencies for s-config, etc.
1380         * config/h8300/gemova.sh: New file.
1381         * config/h8300/mova.md: Generated.
1382         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
1383         * config/h8300/h8300.c (h8300_bitfield_length): New.
1384         (nibble_operand): Adjust.
1385         (h8300_binary_length): Handle conditional binary op.
1386         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
1387         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
1388         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
1389         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
1390         constraints.  WU is introduced as a variant of U that requires a
1391         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
1392         * config/h8300/h8300.md (attr type): Added bitbranch.
1393         (attr length_table): Added bitfield and bitbranch.
1394         (attr length): Compute bitbranch length.
1395         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
1396         least-significant bit of a byte.
1397         (brabit, brabc, brabs): New.
1398         (insv, extzv): Emit bfst and bfld on H8300SX.
1399         (bfld, bfst, seq, sne): New.
1400         (bstzhireg, cmpstz, bstz, bistz): New.
1401         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
1402         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
1403         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
1404         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
1405         (h8sx_unary_memory_operator): New function.
1406         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
1407         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
1408         * config/h8300/h8300.md: Add peepholes to combine reloads and
1409         arithmetic insns.
1410         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1411         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
1412         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
1413         (and?i, ior?i, xor?i): Likewise.
1414         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1415         * config/h8300/h8300.c: Move enums and prototypes to head of file.
1416         Various whitespace fixes.
1417         (h8300_constant_length): New function, split out from...
1418         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
1419         (h8300_classify_operand): Use IN_RANGE.
1420         (h8300_classify_operand): Use h8300_constant_length.
1421         (h8300_short_move_mem_p): Tighten size check.
1422         (h8sx_mergeable_memrefs_p): Tighten equality check.
1423         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
1424         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
1425         for -msx.
1426         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
1427         * config/h8300/crtn.asm: Likewise.
1428         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
1429         if __H8300SX__ is defined.
1430         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
1431         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
1432         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
1433         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
1434         addresses as mode-dependent.
1435         * config/h8300/h8300.c (print_operand_address): Update call to
1436         h8300_get_index.
1437         (h8300_get_index): Take a mode argument.  Rework to fix an
1438         earlier misunderstanding.
1439         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
1440         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
1441         into a register if TARGET_H8300SX.
1442         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
1443         TARGET_H8300SX.  Also disable related define_splits.
1444         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
1445         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
1446         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
1447         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1448         * config/h8300/h8300.h (OK_FOR_Z): New macro.
1449         (EXTRA_CONSTRAINT_STR): Check it.
1450         * config/h8300/h8300.c (h8300_classify_operand): Accept null
1451         class arguments.
1452         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
1453         * config/h8300/h8300.md (length_table): Add mov_imm4.
1454         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
1455         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1456         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
1457         be a label.
1458         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
1459         * config/h8300/h8300.c (h8300_reorg): New function.
1460         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1461         * config/h8300/h8300.md (length): Subtract the length of the
1462         delay slot from (pc) when checking the range of forward branches.
1463         (delay_slot, can_delay): New attributes.
1464         (define_delay): Add bra/s handling.
1465         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
1466         (jump): Add delayed-branch handling.
1467         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
1468         * expr.c (expand_strcpy): New function.
1469         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
1470         (expand_builtin_stpcpy): Likewise.
1471         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
1472         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
1473         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
1474         handling to improve register allocation for -fno-omit-frame-pointer.
1475         (h8sx_split_movmd): Delete, moving er6 handling into...
1476         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
1477         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
1478         (movmd): Add calls to copy_rtx.
1479         (movmd_internal): In the second alternative, allow the initial and
1480         final destination registers to be different .  Update the splitter
1481         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
1482         instead of h8sx_split_movmd.
1483         (stpcpy, movsd): New expanders.
1484         (movsd_internal): New define_insn.
1485         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
1486         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
1487         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
1488         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
1489         and DESTINATION_REGS.
1490         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
1491         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
1492         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
1493         (h8300_move_ratio): Declare.
1494         (MOVE_RATIO): Use it.
1495         * config/h8300/h8300.c (h8300_move_ratio): New variable.
1496         (h8300_init_once): Initialize it.
1497         (h8300_reg_class_from_letter): New function.
1498         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
1499         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
1500         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
1501         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
1502         (movstrsi, movmd): New expanders.
1503         (movmd_internal): New insn.
1504         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
1505         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
1506         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
1507         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
1508         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
1509         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1510         * config/h8300/h8300.c (nibble_operand): Fix warning.
1511         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
1512         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
1513         (movsf_h8300h): Disable for TARGET_H8300SX.
1514         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1515         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
1516         h8300_stm_parallel and h8300_return_parallel.
1517         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
1518         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
1519         h8300_stm_parallel, h8300_return_parallel): New functions.
1520         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
1521         if TARGET_H8300SX.  Use h8300_push_pop.
1522         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
1523         and final pop when generating h8sx code.  Always emit some form
1524         of return insn.
1525         * config/h8300/h8300.md: Don't enforce register alignment in
1526         stm peepholes if TARGET_H8300SX.
1527         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
1528         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
1529         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
1530         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1531         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
1532         (MULTILIB_DIRNAMES): Add a directory for it.
1533         (MULTILIB_MATCHES): Delete.
1534         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1535         * final.c (walk_alter_subreg): Handle addresses with subregs
1536         inside a ZERO_EXTEND or AND.
1537         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
1538         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
1539         if TARGET_H8300SX.
1540         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
1541         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
1542         @(dd,Rn.w) and @(dd,ERn.L).
1543         (h8300_displacement_size): Take the whole address as argument.
1544         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
1545         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1546         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
1547         (h8sx_mergeable_memrefs_p): Declare.
1548         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
1549         (HAVE_PRE_INCREMENT): Likewise.
1550         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
1551         addresses for TARGET_H8300SX,
1552         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
1553         and POST_DEC.
1554         (movb_length_table, movl_length_table): New tables.
1555         (movw_length_table): Define to movb_length_table.
1556         (h8300_displacement_size): New, split out from...
1557         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
1558         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
1559         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
1560         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
1561         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
1562         (compute_plussi_length, compute_plussi_cc): Update accordingly.
1563         (h8sx_unary_shift_operator): Get the mode from the operator.
1564         (binary_shift_operator): Likewise.
1565         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
1566         a memory reference, check whether the reference is offsettable.
1567         (length_table): Add movb, movw and movl.
1568         (movqi): Add new h8sx pattern.  Don't force one operand to be a
1569         register when generating h8sx code.
1570         (movhi, movsi, movsf): Likewise.
1571         (movstrictqi): Use the length_table attribute.
1572         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
1573         (addqi3): Split into a define_expand and define_insn.  Don't accept
1574         memory operands in the expander.  Use h8300_operands_match_p to
1575         check for matching operands in the define_insn.
1576         (subqi3, negqi2, one_cmplqi2): Likewise.
1577         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
1578         in any patterns that are unused in h8sx code.  In the h8sx patterns,
1579         use h8300_operands_match_p to check whether operands match.
1580         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
1581         one_cmpl[hs]i3): Likewise.
1582         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
1583         in the expander.
1584         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
1585         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
1586         (h8300_insn_length_from_table): Add a second parameter.
1587         (output_h8sx_shift): Declare.
1588         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
1589         (EXTRA_CONSTRAINT): Replace with...
1590         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
1591         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
1592         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
1593         and h8sx_binary_shift_operator.
1594         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
1595         for TARGET_H8300SX.
1596         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
1597         (bit_memory_operand, fix_bit_operand): Likewise.
1598         (h8300_length_table_for_insn): Remove.
1599         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
1600         instructions.
1601         (h8300_short_immediate_length, h8300_binary_length): New functions.
1602         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
1603         (output_plussi): Use sub to add negative constants.
1604         (compute_plussi_length): Adjust accordingly.
1605         (h8sx_single_shift_type): New enum.
1606         (h8sx_single_shift, h8sx_unary_shift_operator,
1607         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
1608         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
1609         single h8sx instruction.  Return false in this case.
1610         * config/h8300/h8300.md (length_table): Add short_immediate.
1611         (length): Pass the operand array to h8300_insn_length_from_table.
1612         (adjust_length): Assume "no" for insns with a length_table attribute.
1613         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
1614         (*addhi3_h8300hs): Don't use for h8sx.
1615         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
1616         and sub.w #xx:3.
1617         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
1618         1's predicate to nonimmediate_operand.  Only skip default expansion
1619         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
1620         for single h8sx shift instructions.
1621         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
1622         * config/h8300/h8300.c (nibble_operand): Split out of...
1623         (reg_or_nibble_operand): ... this.
1624         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
1625         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
1626         umulhisi3): Introduce expand, and introduce separate insns for
1627         sign- or zero-extended REG and already-extended CONST_INT.
1628         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
1629         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
1630         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
1631         (subhi3): Likewise.  Don't accept immediates for operand 1.
1632         Remove the early clobber from second alternative of the h8300s pattern.
1633         (subsi3): Generalize for h8sx.  Force operand 2 into a register
1634         on plain h8300 targets.
1635         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
1636         (subsi3_h8300h): Generalize for h8sx.
1637         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
1638         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
1639         * config/h8300/h8300.c (reg_or_nibble_operand): New.
1640         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1641         (TARGET_H8300SXMUL): New.
1642         (CONST_OK_FOR_P): New.
1643         (CONST_OK_FOR_LETTER_P): Adjust.
1644         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
1645         umulhisi3): Accept 4-bit immediate on H8SX.
1646         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
1647         (udivsi3, divhi3, udivsi3, divsi3): New.
1648         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
1649         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
1650         * config/h8300/h8300.h (OK_FOR_Q): New macro.
1651         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
1652         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
1653         Add ADDRESSOF to the bit_operand entry.
1654         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
1655         (h8300_src_operand): Likewise.
1656         (bit_operand): Check nonimmediate_operand rather than general_operand.
1657         Accept any nonimmediate_operand in h8sx code.
1658         (h8300_and_costs): Initialize operands[1].
1659         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
1660         (h8300_operand_class): New enum.
1661         (h8300_length_table): New typedef.
1662         (addb_length_table, addw_length_table, addl_length_table,
1663         logicl_length_table): New tables.
1664         (logicb_length_table, logicw_length_table): New macros.
1665         (h8300_classify_operand, h8300_length_from_table,
1666         h8300_length_table_for_insn, h8300_unary_length,
1667         h8300_insn_length_from_table): New functions.
1668         (output_plussi): Only use adds and subs for register destinations.
1669         Disable redundant clause.
1670         (compute_plussi_cc): Likewise.
1671         (compute_plussi_length): Likewise.  Use h8300_length_from_table
1672         to work out the length of an insn.
1673         (output_logical_op): Only use narrower immediate instructions
1674         if the destination is a register.
1675         (compute_logical_op_cc): Likewise.
1676         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
1677         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
1678         * config/h8300/h8300.md (length_table): New attribute.
1679         (length): When an instruction has a length_table attribute, use
1680         h8300_insn_length_from_table to calculate its default length.
1681         (cmpqi): Use h8300_dst_operand for the first operand and
1682         h8300_src_operand for the second.
1683         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
1684         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
1685         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
1686         iorsi3, xorhi3, xorsi3): Likewise.
1687         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
1688         so that it allows any combination of operands for TARGET_H8300SX.
1689         (iorqi3, xorqi3): Likewise.
1690         (cmpqi): Use the length_table attribute.
1691         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
1692         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1693         (cmpqi): Add 'Q' constraint.
1694         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
1695         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1696         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
1697         * config/h8300/h8300.h (MASK_H8300SX): New macro.
1698         (TARGET_H8300S): True for both -ms and -msx.
1699         (TARGET_H8300SX): New macro.
1700         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
1701         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
1702         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
1703         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
1704         [Temporary change.]
1705         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
1706         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
1707         16-bit pointers and 32-bit ints.
1708         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
1709         CONST_DOUBLE with mode no wider than SImode.
1710         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
1711         output operand.
1712         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
1713         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
1714         or SUBREG thereof.
1715         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1716         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
1717         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
1718
1719 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1720
1721         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
1722
1723 2004-07-07  Per Bothner  <per@bothner.com>
1724
1725         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
1726
1727 2004-07-07  Mike Stump  <mrs@apple.com>
1728
1729         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
1730         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
1731         (machopic_finish): Likewise.
1732
1733 2004-07-07  Richard Henderson  <rth@redhat.com>
1734
1735         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
1736         through any value-preserving cast.
1737
1738 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1739
1740         * function.c (assign_parm_find_data_types): Call
1741         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
1742
1743 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1744
1745         * tree-cfg.c (group_case_labels): Remove case labels that have
1746         the same target as the default case.
1747
1748 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1749
1750         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
1751         regardless of DECL_LANG_SPECIFIC being present or not.
1752         * tree.h (DECL_NUM_STMTS): Purge.
1753
1754 2004-07-07  Andrew Pinski  <apinski@apple.com>
1755
1756         * configure: Regenerate with the right autoconf.
1757
1758 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
1759
1760         * ifcvt.c (total_bb_rtx_cost): New function.
1761         (find_if_case_1): Compare rtx_cost of basic block to cost of
1762         BRANCH_COST insns.
1763         (find_if_case_2): Same.
1764
1765 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1766
1767         PR target/10567
1768         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
1769         (output_return): Likewise.
1770         (output_sibcall): Abort if !flag_delayed_branch.
1771         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
1772         (emit_and_preserve): New function.
1773         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
1774         indirect jump to the thunked-to function if !flag_delayed_branch.
1775         * config/sparc/sparc.md (delayed_branch): New attribute.
1776         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
1777         attribute to compute the length of the insn.
1778         (goto_handler_and_restore): Likewise.
1779
1780 2004-07-07  Andrew Pinski  <apinski@apple.com>
1781
1782         PR tree-optimization/15777
1783         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
1784
1785         * expr.c (expand_expr_real_1): Fix formating.
1786         BUFFER_REF and IN_EXPR are dead.
1787         * fold-const.c (non_lvalue): BUFFER_REF is dead.
1788         * tree-inline.c (estimate_num_insns_1): Likewise.
1789         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
1790         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
1791         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
1792
1793 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
1794
1795         * collect2.c (dump_file): Don't call cplus_demangle if
1796         HAVE_LD_DEMANGLE is defined.
1797         (main): Pass "--demangle" to ld if no_demangle is not 0 and
1798         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
1799         if HAVE_LD_DEMANGLE is defined.
1800
1801         * configure.ac (--with-demangler-in-ld): Added
1802         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
1803         --with-demangler-in-ld is used.
1804         * config.in: Regenerated.
1805         * configure: Likewise.
1806
1807 2004-07-07  Roger Sayle  <roger@eyesopen.com>
1808
1809         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
1810         for simple floating point operations "fp", double precision
1811         multiplication "dmul", and single and double precision division
1812         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
1813         (ppc630_cost): New table split from ppc620_cost, to distinguish
1814         differences in floating point latencies.
1815         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
1816         (rs6000_rtx_costs): Add support for single and double precision
1817         floating point addition, subtraction, multiplication, division,
1818         fused-multiply-add, fused-multiply-sub, negation, absolute value
1819         and negative absolute value.  Tweak MEM case to use prefered idiom.
1820
1821 2004-07-07  Richard Henderson  <rth@redhat.com>
1822
1823         * tree-flow-inline.h (may_propagate_copy): Move...
1824         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
1825         attempt to copy between types requiring conversion.
1826         * tree-flow.h (may_propagate_copy): Update decl.
1827         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
1828
1829 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
1830
1831         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
1832         from -mtune= option.
1833
1834 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1835
1836         * builtins.c: Rename movstr*, except for movstrict*, to
1837         movmem* and clrstr* to clrmem*.
1838         * expr.c: Likewise.
1839         * expr.h: Likewise.
1840         * genopinit.c: Likewise.
1841         * integrate.c: Likewise.
1842         * local-alloc.c: Likewise.
1843         * optabs.c: Likewise.
1844         * optabs.h: Likewise.
1845         * config/alpha/alpha.h: Likewise.
1846         * config/alpha/alpha.md: Likewise.
1847         * config/arm/arm-protos.h: Likewise.
1848         * config/arm/arm.c: Likewise.
1849         * config/arm/arm.md: Likewise.
1850         * config/avr/avr.md: Likewise.
1851         * config/c4x/c4x.c: Likewise.
1852         * config/c4x/c4x.md: Likewise.
1853         * config/frv/frv.md: Likewise.
1854         * config/i386/i386-protos.h: Likewise.
1855         * config/i386/i386.c: Likewise.
1856         * config/i386/i386.h: Likewise.
1857         * config/i386/i386.md: Likewise.
1858         * config/i860/i860.c: Likewise.
1859         * config/i860/i860.md: Likewise.
1860         * config/ip2k/ip2k.md: Likewise.
1861         * config/ip2k/libgcc.S: Likewise.
1862         * config/ip2k/t-ip2k: Likewise.
1863         * config/m32r/m32r.c: Likewise.
1864         * config/m32r/m32r.md: Likewise.
1865         * config/mcore/mcore.md: Likewise.
1866         * config/mips/mips.c: Likewise.
1867         * config/mips/mips.md: Likewise.
1868         * config/ns32k/ns32k.c: Likewise.
1869         * config/ns32k/ns32k.h: Likewise.
1870         * config/ns32k/ns32k.md: Likewise.
1871         * config/pa/pa.c: Likewise.
1872         * config/pa/pa.md: Likewise.
1873         * config/pdp11/pdp11.h: Likewise.
1874         * config/pdp11/pdp11.md: Likewise.
1875         * config/rs6000/rs6000.c: Likewise.
1876         * config/rs6000/rs6000.md: Likewise.
1877         * config/s390/s390-protos.h: Likewise.
1878         * config/s390/s390.c: Likewise.
1879         * config/s390/s390.md: Likewise.
1880         * config/sh/lib1funcs.asm: Likewise.
1881         * config/sh/sh.c: Likewise.
1882         * config/sh/sh.md: Likewise.
1883         * config/sh/t-sh: Likewise.
1884         * config/sparc/sparc.h: Likewise.
1885         * config/vax/vax.md: Likewise.
1886         * config/xtensa/xtensa.c: Likewise.
1887         * config/xtensa/xtensa.md: Likewise.
1888         * doc/invoke.texi: Likewise.
1889         * doc/md.texi: Likewise.
1890         * doc/rtl.texi: Likewise.
1891
1892 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
1893
1894         PR target/16407
1895         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
1896         * config/mips/mips.c (mips_declare_common_object): New function,
1897         mostly split out from...
1898         (mips_output_aligned_decl_common): ...here.
1899         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
1900         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
1901         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
1902         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
1903
1904 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1905
1906         PR c/16392
1907         * function.c (assign_parms): Fix typo from previous change.
1908
1909 2004-07-07  Jason Merrill  <jason@redhat.com>
1910
1911         PR c++/15815
1912         * doc/extend.texi (C++ Interface): Correct information and
1913         discourage use.
1914
1915 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
1916
1917         PR target/16130
1918         PR target/16142
1919         PR target/16143
1920         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
1921         insn.
1922
1923 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1924
1925         PR target/1679.
1926         * config/m32r/m32r.c (m32r_function_symbol): New function:
1927         Generate a symbol name RTX with the correct m32r specific flags
1928         set.
1929         (block_move_call): Use new function to generate correct symbol.
1930         * config/m32r/m32r-protos.h: Add prototype for new funcion.
1931         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
1932         function.
1933
1934 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1935
1936         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
1937         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
1938         TYPE_BINFO_BASETYPE): Remove.
1939         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
1940         to ...
1941         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
1942         here.
1943         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
1944         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
1945         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
1946         (struct tree_binfo): Rename base_types to base_binfos.
1947         * alias.c (record_component_aliases): Adjust BINFO macros.
1948         * dbxout.c (dbxout_type): Likewise.
1949         * dwarf2out.c (gen_member_die): Likewise.
1950         * sdbout.c (sdbout_one_type): Likewise.
1951         * tree-dump.c (deque_and_dump): Likewise.
1952         * config/i386/i386.c (classify_argument,
1953         contains_128bit_aligned_vector_p): Likewise.
1954
1955 2004-07-07  Nick Clifton  <nickc@redhat.com>
1956
1957         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
1958         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
1959
1960 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1961
1962         * vec.h: Fix the example use.
1963
1964 2004-07-06  Richard Henderson  <rth@redhat.com>
1965
1966         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
1967         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
1968         * tree-inline.c (copy_body_r, setup_one_parameter,
1969         initialize_inlined_parameters, expand_call_inline,
1970         declare_inline_vars): Don't check it.
1971         (expand_calls_inline): Remove old version, rename new version
1972         from gimple_expand_calls_inline.
1973         * tree-optimize.c (execute_gimple): Remove.
1974         (pass_gimple): Don't run anything.
1975
1976 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1977
1978         * doc/sourcebuild.texi: Use semicolons instead of commas in
1979         section title.
1980
1981 2004-07-06  Richard Henderson  <rth@redhat.com>
1982
1983         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
1984         (sra_walk_modify_expr, scan_init): Likewise.
1985         (generate_element_zero): Check visited before scanning children.
1986         (generate_element_init): Set visited on error.
1987         (scalarize_init): Handle generate_element_init failure similar
1988         to use_block_copy.
1989
1990 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1991
1992         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
1993         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
1994
1995 2004-07-06  Richard Henderson  <rth@redhat.com>
1996
1997         * config/i386/i386.c (legitimize_pic_address): Make static.
1998         (legitimize_address): Handle CONST with TLS operand.
1999         (ix86_expand_move): Don't call legitimize_pic_address directly.
2000         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
2001
2002 2004-07-06  Roger Sayle  <roger@eyesopen.com>
2003
2004         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
2005         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
2006         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
2007         is currently executed unconditionally, i.e. not in "else_bb".
2008
2009 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2010
2011         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
2012         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2013         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
2014         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2015         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2016         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2017         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2018         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2019         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2020         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2021         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2022         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2023         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2024         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2025         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2026         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2027
2028 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2029
2030         * dojump.c (do_jump): REFERENCE_EXPR is dead.
2031         * expr.c (expand_expr_real_1): Ditto.
2032         * tree-inline.c (estimate_num_insns_1): Ditto.
2033         * tree-pretty-print.c (dump_generic_node): Ditto.
2034         (op_symbol): Ditto.
2035         * tree.def: Ditto.
2036
2037 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2038
2039         * tree-ssa-pre.c (reference_node_pool): New pool.
2040         (find_or_generate_expression): Class 'r' is okay too.
2041         (create_value_expr_from): Ditto.
2042         (add_to_sets): LHS should not include vuses.
2043         (eliminate): Ditto.
2044         (compute_avail): Reverse ordering of tests.
2045         Valuize INDIRECT_REF as well.
2046
2047 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
2048
2049         PR rtl-optimization/16380
2050         * loop.c (check_dbra_loop): Sink comparison instructions if they
2051         do something other than set cc0.
2052
2053 2004-07-06  James E Wilson  <wilson@specifixinc.com>
2054
2055         * doc/interface.texi (longjmp and automatic variables): Delete
2056         paragraph recommending taking the address of a variable.
2057
2058 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2059
2060         * vec.h (VEC_embedded_alloc): Remove.
2061         (VEC_embedded_size, VEC_embedded_init): New.
2062         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2063         MEM_STAT_INFO.
2064         (VEC_truncate): New.
2065         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2066         (vec_embedded_alloc): Remove.
2067         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2068         (vec_embedded_alloc): Remove.
2069
2070 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
2071
2072         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2073         (gt-langhooks.h): Remove.
2074
2075 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
2076
2077         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2078
2079 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2080
2081         * config/sparc/sparc.c (get_pc_symbol): Rename into
2082         add_pc_to_pic_symbol.
2083         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2084         (load_pic_register): Account for previous changes.
2085         Use reg_names.  Don't create the label twice.
2086         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2087         UNSPEC_LOAD_PCREL_SYM.
2088         (get_pc): Rename into load_pcrel_sym.  Add predicate to
2089         operands.  Remove condition.
2090
2091 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2092
2093         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2094         RECORD, UNION & QUAL_UNION is actually a binfo.
2095
2096         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2097         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2098         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2099         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2100         * dwarf2out.c (add_data_member_location_attribute): Likewise.
2101         (gen_inheritance_die): Likewise.
2102         * tree-dump.c (deque_and_dump): Likewise.
2103         * doc/c-tree.texi (Binfos): Add under reconstruction note.
2104
2105 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2106
2107         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2108         Define.
2109         * config/mcore/mcore.md: Model memory latency with a simple DFA
2110         pipeline description instead of a define_function_unit.
2111
2112 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2113
2114         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2115         * langhooks.h (var_mod_type_p): Likewise.
2116         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2117         * expr.c (count_type_elements): Properly handle return from
2118         array_type_nelts and properly test for overflow.
2119         * gimplify.c (gimplify_init_constructor): Properly handle return
2120         from array_type_nelts.
2121         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2122         * integrate.c (copy_decl_for_inlining): Correct comments.
2123         * tree-inline.c (remap_decl): Update comments, remove dead code,
2124         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2125         (remap_type): Only remap if variably modified by vars in function
2126         being inlined.
2127         (copy_body_r): Use compatible_type langhooks to see when can fold.
2128         (setup_one_parameter): Don't remap type.
2129         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2130         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2131         compute TREE_INVARIANT for decl case.
2132         (find_var_from_fn): New function.
2133         (variably_modified_type_p): Add arg and call new function.
2134         * tree.h (variably_modified_type_p): Add extra arg.
2135
2136 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2137
2138         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2139         (goto_handler_and_restore_v9): Delete disabled insn.
2140         (goto_handler_and_restore_v9_sp64): Likewise.
2141
2142 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2143
2144         * calls.c (load_register_parameters): Call expand_shift instead
2145         of expand_binop with ashl_optab (or other shift optab) directly.
2146         * expr.c (emit_group_load, emit_group_store): Likewise.
2147         * function.c (assign_parm_setup_block): Likewise.
2148         * stmt.c (shift_return_value): Likewise.
2149
2150 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
2151
2152         * expr.c (expand_assignment): Disable the bitfield += optimizations.
2153
2154 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2155
2156         * doc/sourcebuild.texi: Revert previous patch.
2157
2158 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2159
2160         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2161         TARGET_MEM_FUNCTIONS.
2162         * system.h: Poison TARGET_MEM_FUNCTIONS.
2163         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2164         bcmp_libfunc, bzero_libfunc): Remove.
2165         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2166         bzero_libfunc.
2167         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2168         * doc/standards.texi: Don't mention calling BSD string functions.
2169         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
2170         * config/vax/t-memfuncs: New.
2171         * config/memcmp.c, config/memcpy.c, config/memmove.c,
2172         config/memset.c: New.
2173         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2174         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2175         vax/t-memfuncs.
2176         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2177         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2178         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2179         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2180         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2181         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2182         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2183         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2184         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2185         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2186
2187 2004-07-05  Richard Henderson  <rth@redhat.com>
2188
2189         * function.c (assign_parm_setup_reg): Properly rename variables in
2190         FUNCTION_ARG_CALLEE_COPIES section.
2191
2192 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2193
2194         * tree-mudflap.c: Include cgraph.h.
2195         (mf_init_extern_trees): Rename to mudflap_init.  Export.
2196         Rewrite to create synthetic declarations instead of looking
2197         up declarations from mf-runtime.h.
2198         (mf_make_builtin, mf_make_cache_struct_type): New functions.
2199         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2200         Correct commentary.
2201         (execute_mudflap_function_decls, mudflap_register_call):
2202         Don't call mf_init_extern_trees.
2203         (mudflap_finish_file): Use cgraph_build_static_cdtor.
2204
2205         * tree-mudflap.h: Update prototypes.
2206         * c-mudflap.c: Delete file.
2207         * c-common.c: Include tree-mudflap.h.
2208         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2209         * Makefile.in: Remove all references to c-mudflap.o.
2210         Update dependencies.
2211
2212 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2213
2214         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2215         displacements with the spatial-locality cache-control completer.
2216
2217 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2218
2219         * langhooks.c: Don't include gt-langhooks.h.
2220         (var_labelno): Delete.
2221         (lhd_set_decl_assembler_name): Do not append a distinguishing
2222         number to file-scope internal-linkage declarations for the first
2223         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
2224         the declaration itself (if at block scope), or its containing
2225         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2226         number.
2227
2228         * opts.c (cur_in_fname): New global.
2229         * opts.h: Declare it.
2230         * tree.c: Include opts.h.
2231         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2232         DECL_UID equal to cur_in_fname.
2233         (copy_node_stat): Do not change DECL_UID when copying a
2234         TRANSLATION_UNIT_DECL.
2235         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2236         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2237
2238         * c-decl.c (c_static_assembler_name): Delete.
2239         * c-tree.h (c_static_assembler_name): Delete prototype.
2240         * c-lang.c, objc/objc-lang.c: Don't override
2241         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2242
2243         * Makefile.in (tree.o): Update dependencies.
2244         (GTFILES): Remove langhooks.c.
2245
2246 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2247
2248         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2249         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2250         Normalize "X % C" as "X % -C" for signed modulus and negative C.
2251         Optimize "X % -Y" as "X % Y" for signed modulus.
2252         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2253         into "((unsigned) X % Y) == 0".
2254
2255 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2256
2257         * sourcebuild.texi (Config Fragments): Use @comma{} in
2258         cross-reference to section title.
2259
2260 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2261
2262         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
2263         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
2264         (gimplify_target_expr, gimplify_expr): Likewise.
2265         (copy_if_shared_r): No longer need special case for BIND_EXPR.
2266         (unshare_body, unvisit_body): Only look at nested if BODY_P is
2267         whole function.
2268         (gimplify_compound_lval): See if we can strip any useless conversion.
2269         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
2270         from RHS, not LHS.
2271         (gimplify_modify_expr_to_memset): Likewise.
2272         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
2273         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
2274         (declare_inline_vars): Likewise.
2275         (walk_type_fields): New function.
2276         (walk_tree): Use it.
2277         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
2278
2279         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
2280         (sra_walk_modify_expr): Allow init function to fail.
2281         (scan_init): Now returns bool.
2282         (generate_element_init): If can't understand INIT, return false.
2283         (scalarize_init): Return false if generate_element_init does.
2284
2285         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
2286         print bounds.
2287
2288         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
2289         bounds if bounds aren't constant.
2290
2291         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
2292
2293         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
2294         to type hooks; remove bogus PARAMS.
2295
2296 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
2297
2298         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
2299         * dwarf2out.c (add_data_member_location_attribute): Check for
2300         TREE_BINFO.
2301         * tree.c (tree_node_kinds): Add "binfos".
2302         (binfo_lang_slots): New.
2303         (make_node_stat): Add TREE_BINFO.
2304         (make_tree_binfo_stat): New.
2305         (tree_node_structure): Add TREE_BINFO.
2306         * tree.def (TREE_BINFO): New.
2307         * tree.h (REC_OR_UNION_CHECK): Rename to ...
2308         (RECORD_OR_UNION_CHECK): ... here.
2309         (NOT_RECORD_OR_UNION_CHECK): New.
2310         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
2311         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
2312         RECORD_OR_UNION_CHECK.
2313         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
2314         (TYPE_LANG_SLOT_1): New.
2315         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
2316         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
2317         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
2318         (BINFO_ELTS): Remove.
2319         (BINFO_LANG_SLOT): New.
2320         (struct tree_binfo): New.
2321         (binfo_lang_slots): Declare.
2322         (enum tree_node_structure_enum): Add TS_BINFO.
2323         (union tree_node): Add binfo.
2324         (make_tree_binfo_stat): Declare.
2325         (make_tree_binfo): New.
2326         (enum tree_node_kind): Add binfo_kind.
2327
2328         * objc/objc-act.c (start_class, objc_declare_protocols,
2329         start_protocols): Use TYPE_LANG_SLOT_1.
2330         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
2331         to ...
2332         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
2333         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
2334         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
2335         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
2336
2337 2004-07-05  Steven Bosscher  <stevenb@suse.de>
2338
2339         * rtl.h (struct rtx_def): Remove the integrated flag.
2340         Use the return_val flag for MEM_SCALAR_P.
2341         Reshuffle and update flags in CLEAR_RTX_FLAGS.
2342
2343 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
2344
2345         PR target/16357
2346         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
2347         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
2348         move_by_pieces.
2349
2350 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
2351
2352         * var-tracking.c: Fix some comments.
2353         (frame_stack_adjust): New.
2354         (vt_stack_adjustments): Init stack_adjust of entry block to
2355         minus stack adjustment of function prologue.
2356         (adjust_stack_reference): Do not adjust if adjustment == 0.
2357         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
2358         (emit_notes_in_bb): Likewise.
2359         (vt_add_function_parameters): Do not adjust locations of
2360         function arguments.
2361         (vt_initialize): Compute the stack adjustment of function
2362         prologue and offset the initial "location" of frame_base_decl
2363         from the stack pointer after prologue.
2364
2365 2004-07-04  Richard Henderson  <rth@redhat.com>
2366
2367         * function.c (struct assign_parm_data_all): New.
2368         (struct assign_parm_data_one): New.
2369         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
2370         assign_parm_find_data_types, assign_parms_setup_varargs,
2371         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
2372         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
2373         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
2374         assign_parm_setup_block, assign_parm_setup_reg,
2375         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
2376         (assign_parms): ... here.
2377
2378 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
2379
2380         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
2381         now are bitmap_set_t's.
2382         (bitmap_insert_into_set): No point in inserting the value if
2383         it's invariant.
2384         (bitmap_set_contains): New function.
2385         (bitmap_set_replace_value): Add comment on why we do it
2386         this way.
2387         (set_contains): Removed.
2388         (bitmap_set_subtract_from_value_set): New name of
2389         set_subtract now that it's arguments are two different
2390         types of sets.
2391         Update callers.
2392         (bitmap_find_leader): Change algorithm used.
2393         (find_or_generate_expression): Update use of functions for new
2394         bitmap sets.
2395         (create_expression_by_pieces): Ditto.
2396         (insert_aux): Ditto.
2397         (insert): Ditto.
2398         (add_to_sets): Ditto.
2399         (init_pre): Ditto.
2400         (execute_pre): Ditto.
2401         (compute_avail): Ditto.
2402         Also ignore virtual phis.
2403
2404 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2405
2406         * combine.c (simplify_comparison): Fix comment typo.
2407
2408 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2409
2410         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
2411         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
2412         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
2413         (output_restore): Change parameter from 'insn' to 'pat'.
2414         (output_return): Adjust call to output_restore.
2415         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
2416         Adjust call to output_restore.
2417
2418 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2419
2420         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
2421         and assert system is bsd.
2422
2423 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2424
2425         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
2426         (TARGET_SWITCHES): Remove -mdebugc.
2427         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2428         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
2429         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
2430         (sle_[sd]i_reg): Delete.
2431
2432 2004-07-04  Steven Bosscher  <stevenb@suse.de>
2433
2434         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2435         Define.
2436         * config/iq2000/iq2000.md: Translate old pipeline description to an
2437         equivalent new one.
2438
2439 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2440
2441         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
2442         Ensure the replacement rhs is valid gimple before performing
2443         the substitution.  Return false if these sanity checks fail.
2444         (fold_stmt): Only set changed to true, if set_rhs returns true.
2445         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
2446         succeeds.
2447
2448 2004-07-04  Richard Henderson  <rth@redhat.com>
2449
2450         PR c/16348
2451         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
2452
2453 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
2454
2455         * configure.ac (ranlib_flags): New variable.
2456         * Makefile.in (RANLIB_FLAGS): New variable.
2457         (libbackend.a): Use it.
2458         * configure: Regenerated.
2459
2460 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2461
2462         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
2463         a "sign mask" instead of using ashr_optab directly.
2464
2465 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2466
2467         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
2468         * doc/cppopts.texi: Clarify processing of command-line defines.
2469
2470 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
2471
2472         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
2473
2474 2004-07-04  Richard Henderson  <rth@redhat.com>
2475
2476         * rtl.def (ADDRESSOF): Remove.
2477         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
2478         (find_base_term, memrefs_conflict_p): Likewise.
2479         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
2480         (fold_rtx, cse_insn, set_live_p): Likewise.
2481         * dwarf2out.c (mem_loc_descriptor): Likewise.
2482         (add_location_or_const_value_attribute): Likewise.
2483         * emit-rtl.c (copy_insn_1): Likewise.
2484         * explow.c (memory_address): Likewise.
2485         * expmed.c (store_split_bit_field): Likewise.
2486         * expr.c (expand_expr_real_1): Likewise.
2487         * function.c (instantiate_decl
2488         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
2489         * genrecog.c (preds, validate_pattern): Likewise.
2490         * integrate.c (copy_rtx_and_substitute): Likewise.
2491         * recog.c (general_operand, register_operand): Likewise.
2492         (memory_address_p): Likwise.
2493         * reload1.c (eliminate_regs, elimination_effects): Likewise.
2494         * rtl.c (copy_rtx): Likewise.
2495         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2496         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
2497         * rtlhooks.c (gen_lowpart_general): Likewise.
2498         * stmt.c (expand_asm_operands): Likewise.
2499         * web.c (entry_register, replace_ref, web_main): Likewise.
2500         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
2501         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2502         * config/arm/arm.c (thumb_rtx_costs): Likewise.
2503         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
2504         * config/frv/frv.c (move_destination_operand, move_source_operand,
2505         condexec_dest_operand, condexec_source_operand,
2506         condexec_memory_operand): Likewise.
2507         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
2508         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
2509         (destination_xfmode_operand): Likewise.
2510         * config/mips/mips.h (PREDICATE_CODES): Likewise.
2511         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
2512         * config/s390/s390.c (general_s_operand): Likewise.
2513         * config/s390/s390.md (mov*): Likewise.
2514         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
2515
2516         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
2517         * expr.c (expand_expr_real_1): Likewise.
2518         * stmt.c (expand_decl): Likewise.
2519         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2520
2521         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
2522         postponed_insns, put_var_into_stack, put_reg_into_stack,
2523         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
2524         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
2525         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
2526         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
2527         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
2528         purge_bitfield_addressof_replacements, purge_addressof_replacements,
2529         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
2530         struct insns_for_mem_walk_info, insns_for_mem_walk,
2531         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
2532         setjmp_protect_args): Remove.
2533         (push_function_context_to): Don't handle var_refs_queue.
2534         (pop_function_context_from, free_after_compilation): Likewise.
2535         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
2536         (assign_parms, allocate_struct_function): Likewise.
2537         (use_register_for_decl): New.
2538         (expand_function_end): Don't setjmp_protect.
2539         * function.h (struct emit_status): Update commentary.
2540         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
2541         (max_parm_reg, parm_reg_stack_loc): Remove.
2542         * passes.c (DFI_addressof): Remove.
2543         (dump_file_info): Remove addressof.
2544         (rest_of_handle_addressof): Remove.
2545         (rest_of_compilation): Don't call it.
2546         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
2547         * stmt.c (expand_decl): Use use_register_for_decl.
2548         * tree.h: Update decls.
2549         * web.c (mark_addressof): Remove.
2550         * doc/invoke.texi (-dF): Remove.
2551
2552 2004-07-03  Richard Henderson  <rth@redhat.com>
2553
2554         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
2555         instead of gen_mem_addressof.
2556         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
2557         TImode output register.
2558
2559 2004-07-03  Richard Henderson  <rth@redhat.com>
2560
2561         PR tree-optimization/16341
2562         * tree-sra.c (sra_walk_function): Increment to next stmt before
2563         processing the current stmt.
2564         (sra_insert_after): Always use BSI_SAME_STMT.
2565
2566 2004-07-03  Richard Henderson  <rth@redhat.com>
2567
2568         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
2569         fp plus with minus.
2570
2571 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2572
2573         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
2574         with tree_int_cst_equal.
2575
2576 2004-07-03  Andreas Schwab  <schwab@suse.de>
2577
2578         * config/ia64/ia64.md: Define new attribute "empty".
2579         (prologue_use, nop_x, insn_group_barrier): Set it.
2580
2581         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
2582         skip over "empty" insns.
2583
2584 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2585
2586         * tree-inline.c (initialize_inlined_parameters): Pass proper function
2587         context to gimplify_body.
2588         (walk_tree): Don't walk into types twice.
2589         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
2590
2591         * tree-sra.c (generate_element_init): Remove any useless conversions.
2592
2593         * gimplify.c (gimplify_conversion): Remove stripping useless
2594         conversions from here.
2595         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
2596         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
2597         Unshare before substituting PLACEHOLDER_EXPR.
2598         (gimplify_modify_expr_to_memset): Likewise.
2599         Pass address of TO to memset, not TO itself.
2600         (gimplify_init_constructor): Make copy of OBJECT so we have it each
2601         time we make an expression (to match a PLACEHOLDER_EXPR).
2602
2603         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
2604         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
2605         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
2606         * tree-ssa-dom.c (local_fold): Likewise.
2607
2608         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
2609         * langhooks.h (strct lang_hooks): New field type_max_size.
2610         * function.c (assign_temp): Call it.
2611
2612 2004-07-03  Steven Bosscher  <stevenb@suse.de>
2613
2614         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
2615         * config/sh/sh.md: Convert the SH1 pipeline description to
2616         a DFA model.
2617
2618 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
2619
2620         * c-decl.c (struct c_binding): Remove contour field; add
2621         depth, invisible, nested fields.
2622         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
2623         (B_IN_EXTERNAL_SCOPE): New convenience macros.
2624         (bind): Add invisible and nested arguments. Initialize
2625         new fields of struct c_binding; adjust loop scanning for
2626         insertion point.
2627         (free_binding_and_advance): Clear structure with memset.
2628         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
2629         in file scope, even if it's in external scope too.
2630         (pushdecl): Adjust to match.  Create invisible file-scope
2631         declarations for block-scope forward declarations of static functions.
2632         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
2633         (undeclared_variable, lookup_label, declare_label, define_label)
2634         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
2635         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
2636         (store_parm_decls_oldstyle): Adjust to match.
2637         (diagnose_mismatched_decls): Correct handling of linkage clashes.
2638         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
2639
2640         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
2641         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
2642
2643 2004-07-02  Richard Henderson  <rth@redhat.com>
2644
2645         * c-decl.c (grokdeclarator): Don't frob current_function_decl
2646         around variable_size.
2647         (set_decl_nonlocal): Remove.
2648         (store_parm_decls): Add stmts for pending sizes.
2649         * calls.c (calls_function, calls_function_1): Remove.
2650         (precompute_arguments): Don't call it.
2651         * cfgexpand.c (set_save_expr_context): Remove.
2652         (tree_expand_cfg): Don't call it.
2653         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
2654         (dwarf2out_finish): Likewise.
2655         * expr.c (emit_block_move): Adjust addresses to BLKmode.
2656         (store_constructor): Don't pre-evaluate SAVE_EXPR.
2657         (safe_from_p): Don't queue SAVE_EXPRs.
2658         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
2659         or build plain VAR_DECLs.
2660         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
2661         (fold): Likewise.
2662         (fold_checksum_tree): Don't special-case SAVE_EXPR.
2663         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
2664         (put_var_into_stack): Don't handle SAVE_EXPR.
2665         (gen_mem_addressof): Likewise.
2666         * function.h (struct function): Remove x_save_expr_regs.
2667         (save_expr_regs): Remove.
2668         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
2669         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
2670         * stor-layout.c (variable_size): Don't set it.
2671         (force_type_save_exprs, force_type_save_exprs_1): Remove.
2672         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
2673         all callers.  Don't set SAVE_EXPR_CONTEXT.
2674         * tree-inline.h (remap_save_expr): Update decl.
2675         * tree.c (save_expr): Update build size.
2676         (first_rtl_op): Don't handle SAVE_EXPR.
2677         (unsave_expr_1, contains_placeholder_p): Likewise.
2678         (decl_function_context): Likewise.
2679         * tree.def (SAVE_EXPR): Remove args 1 and 2.
2680         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
2681         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
2682
2683 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2684
2685         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
2686         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
2687         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
2688         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
2689         some first-person references and patronizing comments.  Based on
2690         printed manual.
2691         * doc/invoke.texi: Don't reference fortran@gnu.org.
2692         * doc/trouble.texi (Warning when a non-void function value is
2693         ignored): Rewrite.  From Russ Allbery and Chris Devers.
2694
2695 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
2696
2697         * tree-ssa-pre.c (bitmap_set_t): New.
2698         (bb_value_sets): avail_out is now a bitmap_set_t.
2699         (bitmap_find_leader): New function.
2700         (bitmap_value_insert_into_set): Ditto.
2701         (bitmap_set_copy): Ditto.
2702         (bitmap_value_replace_in_set): Ditto.
2703         (bitmap_set_contains_value): Ditto.
2704         (bitmap_set_new): Ditto.
2705         (bitmap_set_pool): New pool.
2706         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
2707         (insert_aux): Ditto.
2708         (add_to_sets): Ditto.
2709         (compute_avail): Ditto
2710         (eliminate): Ditto.
2711         (init_pre): Ditto.
2712         (fini_pre): Ditto.
2713         (execute_pre): Ditto.
2714
2715 2004-07-02  Roger Sayle  <roger@eyesopen.com>
2716
2717         * config/rs6000/rs6000.c (struct processor_costs): New structure
2718         used to hold instruction latencies/sizes for processor types.
2719         (rs6000_cost): New global variable pointing to current CPU's costs.
2720         (rs6000_override_options): Initialize rs6000_cost to point to the
2721         appropriate cost table based upon rs6000_cpu and optimize_size.
2722         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
2723         timings inline.
2724
2725 2004-07-02  Richard Henderson  <rth@redhat.com>
2726
2727         * expmed.c (make_tree): Don't use SET_DECL_RTL.
2728
2729 2004-07-02  Steven Bosscher  <stevenb@suse.de>
2730
2731         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
2732
2733 2004-07-01  Richard Henderson  <rth@redhat.com>
2734
2735         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
2736         (alpha_gp_save_rtx): Use assign_stack_local instead of
2737         gen_mem_addressof.
2738
2739 2004-07-01  Richard Henderson  <rth@redhat.com>
2740
2741         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
2742         (alpha_rtx_cost_data): Update to match.
2743         (alpha_rtx_cost_size): New.
2744         (alpha_rtx_costs): Honor optimize_size.
2745
2746 2004-07-01  Richard Henderson  <rth@redhat.com>
2747
2748         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
2749         * cfgexpand.c (tree_expand_cfg): Do it here.
2750         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
2751         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
2752         * config/mips/mips.c (mips_output_mi_thunk): And here.
2753         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
2754         * config/sh/sh.c (sh_output_mi_thunk): And here.
2755         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
2756
2757 2004-07-01  Richard Henderson  <rth@redhat.com>
2758
2759         * tree.def (RTL_EXPR): Remove.
2760         * c-typeck.c (lvalue_p): Don't handle it.
2761         * expr.c (safe_from_p): Likewise.
2762         (expand_expr_real_1): Likewise.
2763         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
2764         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
2765         * gengtype.c (adjust_field_tree_exp): Likewise.
2766         * stmt.c (warn_if_unused_value): Likewise.
2767         * tree-gimple.c (recalculate_side_effects): Likewise.
2768         * tree-pretty-print.c (dump_generic_node): Likewise.
2769         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
2770         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
2771         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
2772
2773         * stmt.c (struct stmt_status): Remove x_last_expr_type,
2774         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
2775         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
2776         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
2777         all the bits that tracked last_expr.
2778         (expand_end_bindings): Don't track last_expr.
2779         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
2780         (clear_last_expr): Remove.
2781         (expand_asm): Don't call it.
2782         (expand_asm_operands, expand_end_cond): Likewise.
2783         (expand_naked_return, expand_null_return_1): Likewise.
2784         * c-typeck.c (c_begin_compound_stmt): Likewise.
2785         * cfgexpand.c (expand_block): Use expand_expr_stmt.
2786         * expr.c (expand_expr_real_1): Likewise.
2787         * tree.h: Update prototypes.
2788
2789         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
2790         (struct emit_status): Remove sequence_rtl_expr.
2791         (struct function): Remove x_rtl_expr_chain.
2792         (seq_rtl_expr, rtl_expr_chain): Remove.
2793         * function.c (struct temp_slot): Remove rtl_expr.
2794         (assign_stack_temp_for_type): Don't set it.
2795         (free_temp_slots, pop_temp_slots): Don't check it.
2796         (free_after_compilation): Don't clear x_rtl_expr_chain.
2797         (fixup_var_refs): Don't search it.
2798         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
2799         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
2800         or seq_rtl_expr.
2801         (push_topmost_sequence): Likewise.
2802         (end_sequence, init_emit): Likewise.
2803         (start_sequence_for_rtl_expr): Remove.
2804         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
2805         * rtl.h (preserve_rtl_expr_result): Remove.
2806
2807 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
2808
2809         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
2810         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
2811         typos.
2812
2813 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2814
2815         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
2816         (STANDARD_STARTFILE_PREFIX_2): Define.
2817         (standard_startfile_prefix_1): Initialize to
2818         STANDARD_STARTFILE_PREFIX_1.
2819         (standard_startfile_prefix_2): Initialize to
2820         STANDARD_STARTFILE_PREFIX_2.
2821         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
2822         (STANDARD_STARTFILE_PREFIX_1): Define.
2823         (STANDARD_STARTFILE_PREFIX_2): Define.
2824         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
2825         (STANDARD_STARTFILE_PREFIX_2): Document.
2826
2827 2004-07-01  Richard Henderson  <rth@redhat.com>
2828
2829         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
2830         in order to disable scalarization.  Instead set a flag and wait
2831         for a candidate decl.
2832
2833 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2834
2835         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
2836         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
2837         Use terminology "testsuite" and "enumerated".
2838
2839 2004-07-01  Richard Henderson  <rth@redhat.com>
2840
2841         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
2842         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
2843         (initial_return_save): Likewise.
2844         (flush_queued_reg_saves): Remap register numbers.
2845         (dwarf2out_return_reg): Likewise.
2846
2847 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2848
2849         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
2850
2851         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
2852         access functions for lower bound and element size and only output
2853         if lower bound nonzero or element size not same as that of type.
2854         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
2855
2856 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2857
2858         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
2859
2860 2004-07-01  Per Bothner  <per@bothner.com>
2861
2862         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
2863
2864 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
2865
2866         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
2867         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
2868         first operand.  Don't optimize if the bitfield is volatile.
2869
2870 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2871
2872         * c-pretty-print.c (pp_c_postfix_expression): Handle
2873         floating-point comparison operators.
2874         (pp_c_expression): Pass floating-point comparison
2875         operators to pp_c_postfix_expression.
2876
2877 2004-07-01  Roger Sayle  <roger@eyesopen.com>
2878
2879         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
2880         rtx_cost instead of "had_mult" to determine whether the transformed
2881         expression is cheaper than the original.
2882
2883 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
2884
2885         * alias.c (get_alias_set, canon_rtx, get_addr,
2886         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
2887         Use MEM_P.
2888         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
2889         expand_builtin): Likewise.
2890         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
2891         Likewise.
2892         * combine.c (can_combine_p, combinable_i3pat, try_combine,
2893         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
2894         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
2895         record_dead_and_set_regs_1, get_last_value_validate,
2896         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
2897         * cse.c (check_dependence, canon_hash, equiv_constant,
2898         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
2899         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
2900         count_reg_usage): Likewise.
2901         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
2902         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
2903         cselib_record_sets): Likewise.
2904         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
2905         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
2906         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
2907         * df.c (df_uses_record): Likewise.
2908         * dojump (do_jump): Likewise.
2909         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
2910         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
2911         decl_start_label): Likewise.
2912         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
2913         operand_subword, change_address_1, make_safe_from): Likewise.
2914         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
2915         stabilize, force_not_mem): Likewise.
2916         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
2917         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
2918         * expr.c (convert_move, convert_modes, emit_block_move,
2919         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
2920         emit_move_insn_1, expand_assignment, store_expr,
2921         store_constructor_field, store_constructor, store_field,
2922         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
2923         Likewise.
2924         * final.c (cleanup_subreg_operands, alter_subreg,
2925         get_mem_expr_from_op): Likewise.
2926         * flow.c (notice_stack_pointer_modification_1,
2927         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
2928         Likewise.
2929         * function.c (mark_temp_addr_taken, preserve_temp_slots,
2930         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
2931         optimize_bit_field, flush_addressof, purge_addressof_1,
2932         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
2933         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
2934         keep_stack_depressed): Likewise.
2935         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
2936         noce_process_if_block, find_memory): Likewise.
2937         * integrate.c (subst_constants, allocate_initial_values): Likewise.
2938         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
2939         update_equiv_regs): Likewise.
2940         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
2941         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
2942         * optabs.c (expand_abs, emit_unop_insn): Likewise.
2943         * passes.c (rest_of_handle_final): Likewise.
2944         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
2945         move2add_note_store): Likewise.
2946         * ra-build.c (detect_remat_webs): Likewise.
2947         * ra-debug.c (dump_static_insn_cost): Likewise.
2948         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
2949         * recog.c (validate_change, apply_change_group, cancel_changes,
2950         validate_replace_rtx_1, general_operand, register_operand,
2951         nonmemory_operand, push_operand, pop_operand, memory_operand,
2952         indirect_operand, asm_operand_ok, offsettable_memref_p,
2953         offsettable_nonstrict_memref_p, constrain_operands,
2954         store_data_bypass_p): Likewise.
2955         * reg-stack.c (subst_stack_regs_pat): Likewise.
2956         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
2957         copy_cost, reg_scan_mark_refs): Likewise.
2958         * regmove.c (optimize_reg_copy_3, stack_memref_p,
2959         combine_stack_adjustments_for_block): Likewise.
2960         * regrename.c (copyprop_hardreg_forward_1): Likewise.
2961         * reload.c (can_reload_into, push_reload, decompose, immune_p,
2962         find_reloads, find_reloads_address, find_reloads_address_1,
2963         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
2964         find_equiv_reg): Likewise.
2965         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
2966         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
2967         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
2968         delete_address_reloads): Likewise.
2969         * resource.c (mark_referenced_resources): Likewise.
2970         * rtlanal.c (get_jump_table_offset, count_occurrences,
2971         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
2972         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
2973         num_sign_bit_copies1): Likewise.
2974         * rtlhooks.c (gen_lowpart_general): Likewise.
2975         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
2976         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
2977         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
2978         sdbout_global_decl): Likewise.
2979         * simplify-rtx.c (simplify_subreg): Likewise.
2980         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
2981         expand_anon_union_decl, expand_end_case_type): Likewise.
2982         * unroll.c (calculate_giv_inc): Likewise.
2983         * var-tracking.c (stack_adjust_offset_pre_post,
2984         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
2985         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
2986         vt_add_function_parameters): Likewise.
2987         * varasm.c (make_var_volatile, notice_global_symbol,
2988         assemble_external, decode_addr_const, mark_weak,
2989         default_encode_section_info): Likewise.
2990
2991 2004-07-01  Steven Bosscher  <stevenb@suse.de>
2992
2993         * stmt.c (check_seenlabel): Remove.
2994         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
2995
2996 2004-07-01  Richard Henderson  <rth@redhat.com>
2997
2998         * function.h (struct function): Remove x_function_call_count.
2999         (function_call_count): Remove.
3000         * calls.c (expand_call): Don't set it.
3001         * integrate.c (copy_rtx_and_substitute): Likewise.
3002
3003         * function.h (struct function): Remove x_cleanup_label.
3004         (cleanup_label): Remove.
3005         * stmt.c (expand_value_return): Don't use it.
3006         * function.c (free_after_compilation): Don't set it.
3007         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
3008         * cfgexpand.c (tree_expand_cfg): Update call.
3009         * tree.h (expand_function_start): Update decl.
3010
3011 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3012
3013         PR c/1027
3014         * c-lang.c (c_initialize_diagnostics): Move from here ...
3015         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
3016         (c_tree_printer): Use pretty-printer to format %T.
3017         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
3018         before '*' if not C++.
3019         (pp_c_direct_abstract_declarator): Don't try to print array upper
3020         bound for flexible array members.
3021         * c-tree.h: Include "diagnostic.h".
3022         (c_initialize_diagnostics): Declare.
3023         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
3024         * c-format.c (format_type_warning): New function.  Improve
3025         diagnostics for incorrect format argument types.
3026         (check_format_types): Use it.  Add two parameters.  Use the
3027         TYPE_MAIN_VARIANT of wanted_type.
3028         (check_format_info_main): Pass new parameters to
3029         check_format_types.
3030         (struct format_wanted_type): Update comment.
3031
3032 2004-07-01  Nick Clifton  <nickc@redhat.com>
3033
3034         * target.h (struct gcc_target): Add new field to struct cxx:
3035         import_export_class.
3036         * target-def.h (TARGET_CXX): Initialise the new field.
3037         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
3038         the new field.
3039         * doc/tm.texi: Document the new target hook.
3040
3041 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3042
3043         * builtins.c (fold_builtin_classify): Fix typo.
3044
3045 2004-07-01  Richard Henderson  <rth@redhat.com>
3046
3047         * function.c (identify_blocks, identify_blocks_1): Remove.
3048         * function.h (identify_blocks): Remove.
3049         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
3050
3051 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3052
3053         * builtins.c (fold_builtin_classify): New.
3054         (fold_builtin_unordered_cmp): Fix commentary.
3055         (fold_builtin): Use it.
3056         * builtins.def: Define builtins for isnan,
3057         isnanf, isnanl, finite, finitef, finitel,
3058         isinf, isinff, isinfl.
3059
3060 2004-07-01  Richard Henderson  <rth@redhat.com>
3061
3062         * function.h (struct function): Remove dont_emit_block_notes.
3063         * gimple-low.c (lower_function_body): Don't set it.
3064         * cfgexpand.c (expand_block): Don't check it.
3065         * cfglayout.c (insn_locators_initialize): Likewise.
3066         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
3067         * passes.c (rest_of_compilation): Likewise.
3068         * stmt.c (expand_start_bindings_and_block): Likewise.
3069         (expand_end_bindings): Likewise.
3070
3071 2004-07-01  Richard Henderson  <rth@redhat.com>
3072
3073         * cgraph.h (cgraph_build_static_cdtor): Declare.
3074         * cgraphunit.c (cgraph_build_static_cdtor): New.
3075         * c-objc-common.c (build_cdtor): Use it.
3076         * coverage.c (create_coverage): Likewise.
3077         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
3078         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
3079
3080 See ChangeLog.11 for earlier changes.