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* tree-def (WITH_SIZE_EXPR): New.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-16  Richard Henderson  <rth@redhat.com>
2
3         * tree-def (WITH_SIZE_EXPR): New.
4         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
5         * expr.c (expand_expr_real_1): Likewise.
6         * gimplify.c (maybe_with_size_expr): New.
7         (gimplify_arg, gimplify_modify_expr): Use it.
8         (gimplify_modify_expr_to_memcpy): Take size parameter.
9         (gimplify_modify_expr_to_memset): Likewise.
10         (gimplify_expr): Handle WITH_SIZE_EXPR.
11         * tree-alias-common.c (find_func_aliases): Likewise.
12         * tree-eh.c (tree_could_trap_p): Likewise.
13         (tree_could_throw_p): Likewise.
14         * tree-gimple.c (is_gimple_lvalue): Likewise.
15         (get_call_expr_in): Likewise.
16         * tree-inline.c (estimate_num_insns_1): Likewise.
17         (expand_calls_inline): Likewise.
18         * tree-nested.c (convert_call_expr): Likewise.
19         * tree-pretty-print.c (dump_generic_node): Likewise.
20         * tree-sra.c (sra_walk_expr): Likewise.
21         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
22         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
23         * tree-ssa-operands.c (get_expr_operands): Likewise.
24         * tree-tailcall.c (find_tail_calls): Likewise.
25         
26         * calls.c (expand_call): Reset old_stack_allocated after
27         calling emit_stack_restore.
28
29 2004-07-16  Richard Henderson  <rth@redhat.com>
30
31         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
32         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
33         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
34         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
35         copy_res_decl_for_inlining.
36
37         * tree-inline.c (declare_return_variable): New modify_dest argument.
38         Use it as the return value, when possible or manditory.  Handle
39         TREE_ADDRESSABLE types.
40         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
41         replacement of CALL_EXPR.
42
43 2004-07-16  Richard Henderson  <rth@redhat.com>
44
45         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
46         * gimple-low.c (expand_var_p): Don't check it.
47         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
48         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
49         * tree-ssa-operands.c (add_stmt_operand): Likewise.
50         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
51         (find_referenced_vars): Don't call them.
52         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
53
54 2004-07-16  Richard Henderson  <rth@redhat.com>
55
56         * function.c (pass_by_reference): True for all variable sized types.
57
58 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
59
60         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
61         * tree-pretty-print.c: Include tree-chrec.h.
62         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN 
63         and POLYNOMIAL_CHREC nodes.
64
65 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
66
67         * builtins.c (expand_builtin_stpcpy): Do not create temporary
68         reg with VOIDmode.
69
70 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
71
72         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
73
74 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
75
76         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
77         to BASE_REGNUM.
78         * config/s390/s390.c: Likewise.
79         * config/s390/s390.h: Likewise.
80
81 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
82
83         * config/mips/mips.md (addsi3, adddi3): Remove special handling
84         of $sp adds.  Remove REGNO checks from mips16 patterns.
85
86 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
87
88         * config/mips/mips.md: Delete outdated comment.
89
90 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
91
92         * config/mips/mips.c (get_float_compare_codes): Delete.
93         (mips_emit_compare): New function, mostly extracted from
94         get_float_compare_codes and gen_conditional_branch.
95         (gen_conditional_branch, gen_conditional_move): Use it.
96
97 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
98
99         * genautomata.c (add_vect): Speedup by using integers as
100         bit-vectors for walking through the comb_vect and finding
101         a match.
102
103 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
104
105         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
106         operand is an uns_arith_operand; use subtraction otherwise.
107         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
108         not just arith_operands.
109
110 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
111
112         * config/mips/mips-protos.h (gen_int_relational): Delete.
113         (mips_emit_scc): Declare.
114         * config/mips/mips.c (internal_test): Delete.
115         (sle_operand, sleu_operand): New functions.
116         (map_test_to_internal_test, gen_int_relational): Delete.
117         (mips_emit_binary, mips_relational_operand_ok_p)
118         (mips_emit_int_relational, mips_zero_if_equal)
119         (mips_emit_scc): New functions.
120         (gen_conditional_branch): Rework to use mips_emit_int_relational.
121         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
122         sleu_operand.
123         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
124         (sltu, sleu): Use mips_emit_scc.
125         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
126         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
127         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
128
129 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
130
131         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
132
133 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
134
135         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
136         (*sne_[sd]i): Likewise sne_[sd]i_zero.
137         (*sgt_[sd]i): ...and sgt_[sd]i.
138         (*slt_[sd]i): ...and slt_[sd]i.
139         (*sgtu_[sd]i): ...and sgtu_[sd]i.
140         (*sltu_[sd]i): ...and sltu_[sd]i.
141         (*sleu_[sd]i): ...and sleu_[sd]i_const.
142         Name previously unnamed mips16 patterns.  Formatting fixes.
143
144 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
145
146         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
147         (branch_type): Delete.
148         (gen_conditional_branch, gen_conditional_move)
149         (mips_gen_conditional_trap): Update after name change.  Get the
150         comparison mode from cmp_operands[0].
151         * config/mips/mips.h (cmp_type, branch_type): Delete.
152         (cmp_operands): Renamed from branch_cmp.
153         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
154         name change.  Don't set branch_type.
155         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
156         mode class of cmp_operands[0] rather than branch_type.  Update after
157         name change.
158
159 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
160
161         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
162         of 0...255 to 0 when inside a SET.
163
164 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
165
166         * config/mips/mips.md: Remove mips16 define_peepholes.
167
168 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
169
170         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
171         (fini_pre): Remove fake edges.
172
173 2004-07-15  Richard Henderson  <rth@redhat.com>
174
175         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
176         (get_indirect_ref_operands, get_call_expr_operands): ... these.
177
178 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
179
180         * vec.h (VEC_address): New function.
181
182 2004-07-14  Jason Merrill  <jason@redhat.com>
183
184         PR middle-end/15885
185         * gimplify.c (gimplify_arg): New fn, split out from...
186         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
187
188 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
189
190         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to 
191         generate code which is generated by pushqi1 now
192         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
193
194 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
195
196         * combine.c (simplify_set): match the mode of the constant 0 with 
197         the tested operand to match the compare behaviour and the 
198         simplify_relational_operation() expectation.
199
200 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
201
202         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
203         ("bordered"): Same.
204
205 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
206
207         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
208         unconditionally.
209         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
210
211 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
212
213         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
214         calls in mips16 code.
215
216 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
217
218         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
219         the destination of the li as well as for the neg.
220
221 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
222
223         g++/15861
224         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
225         * cgraph.h: Update declaration.
226         * c-decl.c (build_cdtor): Update call with default priority.
227         * coverage.c (create_coverage): Ditto.
228         * tree-mudflap.c (mf_init_fndecl): New tree.
229         (mudflap_init): Set it.
230         (mudflap_register_call): Arrange to call __mf_init before the first
231         __mf_register call.
232         (mudflap_finish_file): Mark the mudflap static initializer as extra
233         high priority, to beat all C++ static constructors.
234
235 2004-07-15  Jeff Law  <law@redhat.com>
236
237         * loop.c (check_insn_for_givs): Restore check for code labels that was
238         accidentally deleted by a recent checkin.
239
240 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
241
242         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
243         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
244
245 2004-07-14  Richard Henderson  <rth@redhat.com>
246
247         * print-tree.c (print_node): Fix casts last change.
248
249 2004-07-15  Paul Brook  <paul@codesourcery.com>
250
251         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
252         to TARGET_UNWIND_INFO.
253         * except.c (output_function_exception_table): Ditto.
254         * except.h: Ditto.
255         * opts.c (decode_options): Ditto.
256         * passes.c (rest_of_handle_final): Ditto.
257         * final.c (final_start_function): Ditto.
258         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
259         target hook.
260         * targhooks.h (default_unwind_emit): Declare.
261         * targhooks.c (default_unwind_emit): New function.
262         * target-def.h: Define and use TARGET_UNWIND_EMIT.
263         * target.h (struct gcc_target): Add unwind_emit.
264         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
265         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
266         Remove IA64_UNWIND_EMIT.
267         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
268
269 2004-07-14  Richard Henderson  <rth@redhat.com>
270
271         * print-tree.c (print_node): Handle SSA_NAME.
272
273 2004-07-14  James E Wilson  <wilson@specifixinc.com>
274
275         PR target/16325
276         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
277         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
278
279 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
280
281         * expr.c (expand_assignment): Reenable bitfield += optimizations.
282         Use alias set 0 for memory, do proper mode calculations and adjust
283         address for memories.
284
285 2004-07-14  Per Bothner  <per@bothner.com>
286
287         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
288         structure with extra column field.
289         * tree.c (expand_location):  Also fill in column field.
290         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
291         gets confused by the two conditionally-compiled definitions.
292
293 2004-07-14  Eric Christopher  <echristo@redhat.com>
294
295         * calls.c (expand_call): Fix typo in comment.
296
297 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
298
299         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
300         comparision of TFmode.
301
302 2004-07-14  Richard Henderson  <rth@redhat.com>
303
304         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
305         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
306         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
307         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
308         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
309         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
310         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
311         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
312         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
313
314 2004-07-14  Mike Stump  <mrs@apple.com>
315
316         * config/darwin.h (WINT_TYPE): Define to be int to match
317         system header files.
318
319 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
320
321         * config/xtensa/xtensa.c (function_arg_advance): Check for args
322         that must be passed in the stack.
323         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
324         arguments if the size is not a constant.
325
326 2004-07-14  Per Bothner  <per@bothner.com>
327
328         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
329         instead of EXPR_LOCUS in a boolean context, which is always true
330         if --enable-mapped-location.
331         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
332
333 2004-07-14  Richard Henderson  <rth@redhat.com>
334
335         * dominance.c (struct dom_info): Add fake_exit_edge.
336         (init_dom_info): Allocate it.
337         (free_dom_info): Free it.
338         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
339         in two passes.
340         (calc_idoms): Honor fake_exit_edge.
341
342 2004-07-13  Jason Merrill  <jason@redhat.com>
343
344         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
345         (rhs_test_for): New fn.
346         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
347         * tree-gimple.h: Declare them.
348         * gimplify.c (gimplify_modify_expr): Use the new fns.
349
350 2004-07-14  Richard Henderson  <rth@redhat.com>
351
352         * config/arm/arm-protos.h (arm_va_arg): Remove.
353         * config/arm/arm.c (arm_va_arg): Remove.
354         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
355         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
356
357 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
358
359         * pa.c (fix_range): New function to mark a range(s) of registers as
360         fixed registers.
361         (override_options): Call fix_range if the -mfixed-range option string
362         is not empty.
363         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
364         * doc/invoke.texi (-mfixed-range): Document new option.
365
366 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
367
368         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
369         for TARGET_64BIT.
370         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
371
372 2004-07-14  Roger Sayle  <roger@eyesopen.com>
373
374         * expmed.c (expand_sdiv_pow2): New function to expand signed division
375         by a positive power of two, split out from expand_divmod.  Provide
376         an alternate implementation when shifts are expensive.  Lower the
377         threshold for using a branchless implementation to BRANCH_COST >= 2.
378         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
379
380 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
381
382         * tree-dfa.c (make_rename_temp): *Really* work just
383         like create_tmp_var if called while outside SSA form.
384
385 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
386
387         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
388         for division by zero.
389         ("umodsi3"): Likewise.
390
391 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
392
393         * config/mips/mips.c (mips_output_move): When generating mips16 code,
394         force loads of negative constants to be split.
395         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
396         Generalize SImode li/neg splitter to cope with other modes.
397
398 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
399
400         * expmed.c: Remove more references to QUEUED in the comments.
401         * expr.c: Likewise.
402
403 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
404
405         Revert:
406         2004-07-13  Richard Henderson  <rth@redhat.com>
407         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
408         correctly.
409
410 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
411
412         * tree-dfa.c (make_rename_temp): Work just like
413         create_tmp_var if called while outside SSA form.
414
415 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
416
417         * expr.c (enqueue_insn, finish_expr_for_function,
418         protect_from_queue, queued_subexp_p, mark_queue,
419         emit_insns_enqueued_after_mark, emit_queue,
420         expand_increment): Remove.
421         (store_constructor): Expand increment as an assignment.
422         (expand_expr_real_1 <case PREINCREMENT_EXPR,
423         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
424         case POSTDECREMENT_EXPR>): Abort.
425         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
426         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
427         protect_from_queue, emit_queue, queued_subexp_p): Remove.
428         * function.h (pending_chain, x_pending_chain): Remove.
429         * rtl.def (QUEUED): Remove.
430
431         * emit-rtl.c (copy_insn_1, copy_most_rtx,
432         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
433         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
434         encode_units_mask): Likewise.
435         * local-alloc.c (equiv_init_varies_p): Likewise.
436         * rtl.c (copy_rtx): Likewise.
437         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
438         * simplify-rtx.c (simplify_gen_subreg): Likewise.
439         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
440
441         * builtins.c (expand_builtin, expand_builtin_apply,
442         expand_builtin_mathfn, expand_builtin_mathfn_2,
443         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
444         Remove calls to emit_queue and protect_from_queue.
445         * calls.c (expand_call, precompute_arguments,
446         precompute_register_parameters, rtx_for_function_call,
447         store_one_arg): Likewise.
448         * dojump.c (do_compare_and_jump, do_jump): Likewise.
449         * explow.c (memory_address): Likewise.
450         * expmed.c (clear_by_pieces_1, clear_storage,
451         clear_storage_via_libcall, emit_group_load,
452         emit_group_store, emit_store_flag,
453         expand_expr_real_1, store_by_pieces,
454         store_constructor, store_expr, try_casesi,
455         try_tablejump): Likewise.
456         * function.c (expand_pending_sizes): Likewise.
457         * optabs.c (emit_cmp_and_jump_insns,
458         emit_conditional_add, emit_conditional_move,
459         expand_fix, expand_float, prepare_cmp_insn): Likewise.
460         * stmt.c (emit_case_bit_tests,
461         expand_asm_expr, expand_computed_goto,
462         expand_decl_init, expand_end_case_type,
463         expand_end_stmt_expr, expand_expr_stmt_value,
464         expand_return, expand_start_case,
465         optimize_tail_recursion): Likewise.
466         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
467         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
468
469 2004-07-14  Ben Elliston  <bje@au.ibm.com>
470
471         * vec.h: Comment fix.
472
473 2004-07-13  Richard Henderson  <rth@redhat.com>
474
475         * target.h (struct gcc_target): Add calls.pass_by_reference.
476         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
477         * function.c (pass_by_reference): Use the hook.
478         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
479         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
480         (hook_pass_by_reference_must_pass_in_stack): New.
481         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
482         (alpha_pass_by_reference): New.
483         (TARGET_PASS_BY_REFERENCE): New.
484         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
485         * config/arc/arc.c (arc_pass_by_reference): New.
486         (TARGET_PASS_BY_REFERENCE): New.
487         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
488         (FUNCTION_ARG_CALLEE_COPIES): True.
489         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
490         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
491         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
492         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
493         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
494         * config/cris/cris.c (cris_pass_by_reference): New.
495         (TARGET_PASS_BY_REFERENCE): New.
496         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
497         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
498         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
499         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
500         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
501         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
502         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
503         (frv_function_arg_pass_by_reference): Remove.
504         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
505         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
506         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
507         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
508         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
509         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
510         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
511         (ia64_pass_by_reference): Rename from
512         ia64_function_arg_pass_by_reference.
513         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
514         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
515         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
516         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
517         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
518         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
519         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
520         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
521         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
522         (m32r_pass_by_reference): Adjust prototype.  Make static.
523         Handle mode sizes correctly.
524         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
525         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
526         (m68hc11_function_arg_pass_by_reference): Remove.
527         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
528         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
529         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
530         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
531         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
532         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
533         (mips_va_arg): Use pass_by_reference.
534         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
535         Handle mode sizes correctly.
536         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
537         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
538         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
539         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
540         (mmix_pass_by_reference): Rename from
541         mmix_function_arg_pass_by_reference.
542         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
543         (FUNCTION_ARG_CALLEE_COPIES): True.
544         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
545         (mn10300_pass_by_reference): New.
546         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
547         (FUNCTION_ARG_CALLEE_COPIES): True.
548         * config/pa/pa.c (pa_pass_by_reference): New.
549         (TARGET_PASS_BY_REFERENCE): New.
550         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
551         (FUNCTION_ARG_CALLEE_COPIES): True.
552         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
553         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
554         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
555         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
556         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
557         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
558         (s390_pass_by_reference): Rename from
559         s390_function_arg_pass_by_reference.
560         (s390_function_arg_advance): Don't query pass-by-ref.
561         (s390_function_arg): Likewise.
562         (s390_gimplify_va_arg): Use pass_by_reference.
563         (s390_call_saved_register_used): Likewise.
564         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
565         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
566         (shcompact_byref, sh_pass_by_reference): New.
567         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
568         (SHCOMPACT_BYREF): Remove.
569         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
570         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
571         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
572         (sparc_gimplify_va_arg): Use pass_by_reference.
573         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
574         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
575         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
576         (v850_pass_by_reference): New.
577         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
578         (FUNCTION_ARG_CALLEE_COPIES): True.
579         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
580         FUNCTION_ARG_PASS_BY_REFERENCE docs.
581
582 2004-07-14  Richard Henderson  <rth@redhat.com>
583             Richard Sandiford  <rsandifo@redhat.com>
584
585         * config/mips/mips-protos.h (mips_va_arg): Delete.
586         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
587         * config/mips/mips.c: Include tree-gimple.h.
588         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
589         (mips_arg_info): Remove special handling of must_pass_in_stck args.
590         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
591         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
592
593 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
594
595         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
596         arguments for COND_EXPR in big-endian adjustment code.
597
598 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
599
600         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
601         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
602         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
603         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
604
605 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
606
607         PR tree-optimization/16443
608         * tree-ssa-alias.c: Add more description for
609         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
610         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
611         clobbering of call-clobbered and addressable variables.  If
612         there are any before aliases have been computed, add them.
613
614 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
615
616         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
617         verification.
618
619 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
620
621         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
622         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
623         to the same type.
624
625 2004-07-13  Per Bothner  <per@bothner.com>
626
627         * collect2.c (main):  Handle --no-demangle and --demangle flags.
628
629 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
630
631         * Makefile.in (OBJS-common): Add tree-data-ref.o.
632         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
633         (tree-data-ref.o): New rule.
634         * lambda.h: New file.
635         * tree-data-ref.c: New file.
636         * tree-data-ref.h: New file.
637         * tree.c (int_cst_value, tree_fold_gcd): New functions.
638         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
639
640 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
641
642         PR target/13926
643         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
644         * config/sparc/sparc.c (output_ubranch): New function.
645         * config/sparc/sparc.md (jump pattern): Use it.
646
647 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
648
649         PR target/16494
650         * config/sparc/sparc.c (output_cbranch): Properly guard
651         the code handling far branches with TARGET_V9.
652         * config/sparc/sparc.md (length attribute): Document the
653         side-effect of having a length greater or equal to 3.
654
655 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
656             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
657
658         PR target/15186
659         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
660         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
661
662 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
663             Martin Sebor  <sebor@roguewave.com>
664
665         PR target/12602
666         * doc/invoke.texi (SPARC options): Document -threads
667         and -pthreads on Solaris.
668
669 2004-07-13  Richard Henderson  <rth@redhat.com>
670
671         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
672         by reference.
673         (ind_gimplify_va_arg_expr): Remove.
674         * tree.h (ind_gimplify_va_arg_expr): Remove.
675         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
676         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
677         argsp to be null.
678
679         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
680         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
681         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
682         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
683         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
684
685 2004-07-13  Richard Henderson  <rth@redhat.com>
686
687         * function.c (pass_by_reference): New.
688         (assign_parm_find_data_types): Use it.
689         * calls.c (initialize_argument_information): Likewise.
690         (emit_library_call_value_1): Likewise.
691         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
692         * function.h (pass_by_reference): Declare.
693
694 2004-07-13  Richard Henderson  <rth@redhat.com>
695
696         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
697         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
698         * expr.h (MUST_PASS_IN_STACK): Remove.
699         * system.h (MUST_PASS_IN_STACK): Poison.
700         * tree.h (must_pass_in_stack_var_size): Declare.
701         (must_pass_in_stack_var_size_or_pad): Declare.
702         * calls.c (must_pass_in_stack_var_size): New.
703         (must_pass_in_stack_var_size_or_pad): Rename from
704         default_must_pass_in_stack.
705         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
706         (TARGET_MUST_PASS_IN_STACK): New.
707         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
708         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
709         (TARGET_MUST_PASS_IN_STACK): New.
710         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
711         * config/frv/frv.c (frv_must_pass_in_stack): New.
712         (TARGET_MUST_PASS_IN_STACK): New.
713         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
714         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
715         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
716         (ix86_must_pass_in_stack): Make static.
717         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
718         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
719         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
720         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
721         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
722         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
723         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
724         (mcore_must_pass_on_stack): Remove.
725         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
726         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
727         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
728         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
729         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
730         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
731         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
732         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
733         (TARGET_MUST_PASS_IN_STACK): New.
734         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
735         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
736         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
737         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
738         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
739         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
740         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
741         MUST_PASS_IN_STACK.
742
743         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
744         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
745         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
746         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
747         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
748         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
749         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
750         config/xtensa/xtensa.c: Use target hook.
751
752 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
753
754         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
755         * configure: Rebuilt.
756
757 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
758
759         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
760         * config/mips/mips.h (mips_reg_names): Don't declare.
761         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
762         (TARGET_NAME_REGS): Delete.
763         (TARGET_SWITCHES): Remove -mrnames.
764         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
765         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
766         in REGISTER_NAMES.
767         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
768         (override_options): Remove handling of TARGET_NAME_REGS.
769
770 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
771
772         * config/mips/mips.h (TARGET_*): Boolify.
773
774 2004-07-12  Nick Clifton  <nickc@redhat.com>
775
776         * config.gcc: Add sh-*-symbianelf target.
777         * config/sh/sh.c: Add new target macros:
778         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
779         TARGET_CXX_IMPORT_EXPORT_CLASS.
780         (sh_file_start): Create a definition of the .directive section.
781         (sh_attribute): Add dllimport and dllexport attributes.
782         * config/sh/symbian-pre.h: New file.
783         * config/sh/symbian-post.h: New file.
784         * config/sh/symbian.c: New file. Contains Symbian specific
785         functions.
786         * config/sh/sh-protos.h: Add prototypes for new functions
787         provided by symbian.c.
788         * config/sh/t-symbian: New file.
789         * doc/extend.texi: Document support for dllimport and dllexport
790         attributes by the sh-symbianelf target.
791
792 2004-07-12  James E Wilson  <wilson@specifixinc.com>
793
794         * Makefile.in (AR): Use @AR@ not ar.
795         (NM): New.
796         (AR_FOR_TARGET): Use $(AR) not ar for native.
797         (NM_FOR_TARGET): Use $(NM) not nm for native.
798         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
799         * configure: Regenerate.
800
801 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
802
803         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
804         special case.
805         (ashldi3_sp64): Likewise.
806
807 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
808
809         PR target/16477
810         * pa.c (function_arg): Update comment.
811         * pa.h (BLOCK_REG_PADDING): Define.
812
813 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
814
815         PR tree-optimization/16461
816         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
817         arguments of phi nodes.
818
819 2004-07-12  Devang Patel  <dpatel@apple.com>
820
821         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
822
823 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
824
825         * function.c (expand_function_start): Ensure r_save is in Pmode.
826         * calls.c (prepare_call_address): Ensure static_chain_value is
827         in Pmode.
828         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
829         r_save_area are in Pmode.
830         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
831         fnaddr, and static_chain are in Pmode.
832
833 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
834
835         PR target/16445
836         * config/ia64/ia64.c (bundling): Don't count ignored insns.
837
838 2004-07-12  Richard Henderson  <rth@redhat.com>
839
840         * target.h (struct gcc_target): Move gimplify_va_arg_expr
841         next to build_builtin_va_list.
842         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
843         * builtins.c (gimplify_va_arg_expr): Likewise.
844         * gimplify.c (copy_if_shared_r): Likewise.
845
846 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
847
848         * passes.c (rest_of_decl_compilation): Don't defer call of
849         assemble_variable if its DECL_RTL is already set.
850
851 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
852
853         * cfgloop.h (struct loop): Add nb_iterations field.
854         (current_loops): Declare.
855         * tree-chrec.c (chrec_not_analyzed_yet,
856         chrec_dont_know, chrec_known, count_ev_in_wider_type,
857         chrec_contains_symbols_defined_in_loop): Remove the temporary
858         hooks.
859         * tree-flow-inline.h (loop_containing_stmt): New function.
860         * tree-scalar-evolution.c: Add implementation.
861         * tree-scalar-evolution.h: Add declarations.
862
863 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
864
865         PR rtl-optimization/15921
866         * Makefile.in (global.o): Add recog.h.
867
868         * global.c (recog.h): Add the include-clause.
869         (bb_info): New member earlyclobber.
870         (allocate_bb_info, free_bb_info): Initialize/finish the new
871         member.
872         (earlyclobber_regclass, earlyclobber_regclass_length): The new
873         global variables.
874         (check_earlyclobber, regclass_intersect,
875         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
876         New functions.
877         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
878         (make_accurate_live_analysis): Modify pavin.
879
880 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
881
882         * tree-cfg.c (find_taken_edge): Statically compute the truth
883         value of a predicate comparing an SSA_NAME to itself.
884
885 2004-07-12  Roger Sayle  <roger@eyesopen.com>
886
887         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
888         rs6000 doesn't have shift-and-add or shift-and-sub instructions
889         by returning the cost of a multiplication plus an addition.
890
891 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
892
893         PR tree-optimization/14107
894         * gimplify.c (gimplify_return_expr): Accept a
895         RETURN_EXPR with an error argument.
896         * tree-optimize.c (init_tree_optimization_passes):
897         Run pass_warn_function_return at -O0.
898
899 2004-07-12  Roger Sayle  <roger@eyesopen.com>
900
901         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
902         index entry.
903
904 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
905
906         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
907         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
908         * config/mips/3000.md: Add copyright notice.  Remove automota and
909         function units; use generic ones instead.  Only define reservations
910         for things that are different from generic.md.  Extend each clause
911         to include r3900.
912         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
913         * config/mips/mips.md: Include them. Remove define_function_units.
914         (alu, imuldiv): New automata and units.
915
916 2004-07-12  Ben Elliston  <bje@au.ibm.com>
917
918         * doc/invoke.texi (Optimize Options): Document -frename-registers
919         not being enabled by default at -O3.
920
921 2004-07-11  Roger Sayle  <roger@eyesopen.com>
922
923         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
924         floating point additions, to keep real immediate constant positive.
925         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
926         into X + C, and leave positive real constants as X - C.
927
928 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
929
930         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
931
932 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
933
934         PR tree-optimization/15654
935         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
936
937 2004-07-11  Roger Sayle  <roger@eyesopen.com>
938
939         * builtins.c (fold_builtin_fputs): Don't bother converting the
940         return type to integer_type_node, as we've already checked that
941         the result will be ignored.
942
943         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
944         that signed addition, subtraction, multiplication, division,
945         remainder, negation and absolute value may potentially trap.
946
947         * fold-const.c (fold_ignored_result): New function to strip
948         non-side-effecting tree nodes from an expression whose result
949         is ignored.
950         (fold_convert): Call fold_ignored_result when casting a value
951         to VOID_TYPE.
952         (omit_one_operand):  Call fold_ignored_result on the "omitted"
953         operand when building a COMPOUND_EXPR.
954         (pedantic_omit_one_operand): Likewise.
955         * tree.h (fold_ignored_result): Prototype here.
956         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
957         when we're going to ignore the result.
958
959 2004-07-11  Richard Henderson  <rth@redhat.com>
960
961         PR tree-opt/16383
962         * tree-ssa-ccp.c (fold_stmt_r): Split out...
963         * tree.c (fields_compatible_p, find_compatible_field): ... new.
964         * tree.h (fields_compatible_p, find_compatible_field): Declare.
965         * tree-sra.c (sra_hash_tree): Hash fields by offset.
966         (sra_elt_eq): Use fields_compatible_p.
967         (generate_one_element_ref): Use find_compatible_field.
968
969 2004-07-11  Richard Henderson  <rth@redhat.com>
970
971         PR tree-opt/16422
972         * tree-sra.c (generate_one_element_init): New.
973         (generate_element_init): Use it.
974         (scalarize_init): Push/pop gimplify context around it.
975         (find_new_referenced_vars_1, find_new_referenced_vars): New.
976         * gimplify.c (gimplify_expr): Allow SSA_NAME.
977
978 2004-07-11  Roger Sayle  <roger@eyesopen.com>
979
980         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
981         combine.c's combine_insn_cost.
982         * rtl.h (insn_rtx_cost): Prototype here.
983         * combine.c (combine_insn_cost): Delete function.
984         (combine_validate_cost): Update callers of combine_insn_cost to
985         call insn_rtx_cost instead.
986         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
987         requesting the rtx_cost of call and/or jump instructions.
988
989         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
990         rtx_cost directly.  Don't request/use the cost of call or jump
991         instructions.  Return -1 if the cost of any instruction can't be
992         determined (or the BB contains a function call).
993         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
994         -1 (i.e. can't determine the cost of any instruction or the basic
995         block contains a subroutine call).
996         (find_if_case_2): Likewise.
997
998 2004-07-11  Roger Sayle  <roger@eyesopen.com>
999
1000         * rs6000.c (struct processor_costs): Change semantics of fields to
1001         include the COST_N_INSNS scaling, and update all initializers.
1002         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
1003         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
1004         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
1005         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
1006
1007 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1008
1009         * LANGUAGES: Remove obsolete information.
1010
1011 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1012
1013         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
1014         SIGBUS signal frames, the PSW address points *to* the faulting
1015         instruction, not after it.
1016
1017 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1018
1019         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
1020         added to TLS symbol addresses.
1021
1022 2004-07-11  Richard Henderson  <rth@redhat.com>
1023
1024         * expmed.c (init_expmed): Use stack-local structures for
1025         temporary rtl.  Don't recognize shifts.
1026
1027 2004-07-11  Richard Henderson  <rth@redhat.com>
1028
1029         * expr.c (store_expr): Don't fiddle subreg promotion for types
1030         with precision smaller than the mode.
1031
1032 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1033
1034         * tree.h (all_types_permanent): Remove.
1035
1036 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1037
1038         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
1039         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
1040         * langhooks.c (lhd_clear_binding_stack): Remove.
1041         * langhooks-def.h (lhd_clear_binding_stack,
1042         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1043         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
1044         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
1045         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1046         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
1047         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
1048         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
1049         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1050         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
1051         * tree.h (poplevel): Don't declare.
1052         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
1053         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1054         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
1055         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
1056         Remove.
1057
1058 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1059
1060         PR tree-optimization/16437
1061         * c-common.c (shorten_compare): Don't mark result of conversion to
1062         narrower signed type as overflowing.
1063         * fold-const.c (decode_field_reference): Determine whether
1064         signedness comes from outer type using precision rather than size.
1065
1066 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1067
1068         * configure.ac:  Alphabetize --enable-checking list, add
1069         missing valgrind entry.
1070         * configure:  Regenerate.
1071
1072 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1073
1074         * doc/install.texi (Testing):  Fix syntax in "make check" example.
1075
1076 2004-07-10  James E Wilson  <wilson@specifixinc.com>
1077
1078         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
1079
1080 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1081
1082         PR rtl-optimization/16001
1083         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
1084         niter_expr.
1085
1086 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
1087
1088         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
1089
1090 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
1091             James Morrison  <phython@gcc.gnu.org>
1092
1093         * doc/contrib.texi (Contributors): Add gfortran contributors and
1094         fix a couple of typos.
1095
1096 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1097
1098         PR rtl-optimization/15387
1099         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
1100         to incoming args space correctly.
1101
1102 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1103
1104         * pa.c (output_indirect_call): Only use %r2 as the link register in
1105         indirect calls with the long PA 2.0 pc-relative branch.
1106
1107 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
1108
1109         * config/i386/i386.c (override_options): Pick a 64-bit CPU
1110         for the default tuning if TARGET_64BIT.
1111
1112 2004-07-10  Richard Henderson  <rth@redhat.com>
1113
1114         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
1115         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
1116
1117 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
1118
1119         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
1120         * expmed.c (store_bit_field, extract_bit_field): Remove last
1121         argument.
1122         * builtins.c (expand_builtin_signbit): Adjust callers.
1123         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
1124         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
1125         * ifcvt.c (noce_emit_move_insn): Likewise.
1126         * stmt.c (expand_return): Likewise.
1127         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
1128         store_field, expand_expr_real_1): Likewise.
1129
1130 2004-07-10  Richard Henderson  <rth@redhat.com>
1131
1132         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
1133
1134 2004-07-09  Mike Stump  <mrs@apple.com>
1135
1136         * config/darwin.c (no_dead_strip): Add.
1137         (HAVE_DEAD_STRIP): Add.
1138         (darwin_emit_unwind_label): Ensure that we don't dead code strip
1139         the .eh label.
1140
1141 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1142
1143         * tree-ssa-loop-im.c: New file.
1144         * Makefile.in (tree-ssa-loop-im.o): Add.
1145         * cfgloop.c (superloop_at_depth): New function.
1146         * cfgloop.h (superloop_at_depth): Declare.
1147         * common.opt (ftree-lim): New flag.
1148         * expr.c (array_ref_up_bound): New function.
1149         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
1150         * timevar.def (TV_LIM): New timevar.
1151         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
1152         computing immediate uses of a phi node.
1153         * tree-flow.h (struct tree_ann_common_d): Add aux field.
1154         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
1155         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
1156         * tree-pass.h (pass_lim): Declare.
1157         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
1158         functions.
1159         (pass_lim): New pass structure.
1160         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
1161         * tree.c (in_array_bounds_p): New function.
1162         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
1163         (in_array_bounds_p, array_ref_up_bound): Declare.
1164         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
1165         * doc/passes.texi (tree-ssa-loop-im.c): Document.
1166
1167 2004-07-09  Richard Henderson  <rth@redhat.com>
1168
1169         * builtins.c (expand_builtin_stpcpy): Don't modify len.
1170
1171         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
1172         with prejudice.
1173
1174 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
1175
1176         * flags.h: Delete redundant prototypes that are being generated
1177         in options.h from common.opt.
1178         * common.opt: Add in the expository comments formerly in flags.h.
1179
1180 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1181
1182         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
1183         available for use only when TARGET_MMX/_SSE is set, and check for
1184         variable argument function if any register count is non-zero.
1185         (function_arg): Correctly suppress repeated warnings for passing SSE
1186         vectors are arguments without SSE enabled.
1187         (ix86_function_arg_boundary): Without SSE enabled, the use of what
1188         would be SSE register modes does no longer influence the alignment.
1189
1190 2004-07-09  Richard Henderson  <rth@redhat.com>
1191
1192         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
1193         Always align upward to arg boundary.  Use size_in_bytes/round_up.
1194         Maintain type-correctness of constants.
1195         * stor-layout.c (round_up, round_down): Special-case powers of 2.
1196
1197 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1198
1199         * config/sparc/sparc.c (*_costs): Scale instruction costs
1200         by COSTS_N_INSNS.
1201         (sparc_rtx_costs): Adjust as appropriate.
1202
1203 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1204
1205         * config/i386/mm3dnow.h: New.
1206         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
1207
1208 2004-07-09  Richard Henderson  <rth@redhat.com>
1209
1210         * simplify-rtx.c (simplify_const_relational_operation): Only
1211         look at bounds of scalar integers.
1212
1213 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1214
1215         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
1216
1217 2004-07-09  Andrew Pinski  <apinski@apple.com>
1218
1219         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
1220         always referenced.
1221         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
1222         UOBJC_METACLASS_decl.
1223
1224 2004-07-09  James E Wilson  <wilson@specifixinc.com>
1225
1226         PR target/16364
1227         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
1228         do return a parallel if hfa_mode == XFmode and mode == TImode.
1229
1230 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1231
1232         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
1233         permissible for unary plus.
1234
1235 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1236
1237         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
1238         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
1239         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
1240         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
1241         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
1242         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
1243         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
1244         (BUILTIN_xxxIMAX): New.
1245         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
1246         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
1247         BUILT_IN_PARITYIMAX.
1248
1249 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1250
1251         * config/sparc/sparc.h (processor_costs): Define.
1252         (sparc_costs): Declare.
1253         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
1254         hypersparc_costs, sparclet_costs, ultrasparc_costs,
1255         ultrasparc3_costs): New.
1256         (sparc_override_options): Set sparc_costs as appropriate.
1257         (sparc_rtx_costs): Use sparc_costs instead of messy
1258         conditionals.
1259
1260 2004-07-09  Steven Bosscher  <stevenb@suse.de>
1261
1262         * doc/md.texi (Processor pipeline description): Mention that
1263         the old pipeline description is deprecated.
1264
1265         * config/rs6000/7450.md (automaton ppc7450): Split up, move
1266         mciu_7450 function unit to...
1267         (automaton ppc7450mciu): ...new automaton.
1268
1269         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
1270         (schedule_block): Don't consider inserting bubbles.
1271         (sched_init): Don't initialize DFA bubbles.
1272         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
1273         TARGET_SCHED_DFA_BUBBLE): Remove.
1274         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
1275         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
1276         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
1277
1278         * stmt.c (conditional_context): Remove prototype.
1279         * tree.h (conditional_context): Remove.
1280         * tree-cfg.c (pre_insert_on_edge): Remove.
1281
1282         * c-common.h (c_expand_asm_operands): Remove prototype.
1283         * c-typeck.c (c_expand_asm_operands): Remove.
1284
1285 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1286
1287         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
1288         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
1289         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
1290         and V8QI are class SSE. All sufficiently small remaining vector modes
1291         must be passed in one or two integer registers.
1292         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
1293         returned in memory.
1294         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
1295         __builtin_ia32_pmuludq128 have non-uniform argument and return types
1296         and must thus be handled explicitly.
1297         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
1298         MMX and XMM regs.
1299         (movv8qi_internal, movv4hi_internal, movv2si_internal,
1300         movv2sf_internal): Permit moving between MMX and XMM registers (since
1301         MMX areguments and return values are passed in XMM registers).
1302         (sse2_umulsidi3): Correct type and mode.
1303
1304 2004-07-09  Richard Henderson  <rth@redhat.com>
1305
1306         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
1307
1308 2004-07-09  Eric Christopher  <echristo@redhat.com>
1309
1310         * config/rs6000/40x.md: Split into two automatons.
1311
1312 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1313             Andrew Pinski  <apinski@apple.com>
1314
1315         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
1316         on when we have more than one input file.
1317         (c_common_parse_file): Restore loop over all input files.
1318         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
1319
1320         * c-decl.c (set_type_context): New function.
1321         (pop_scope): Use it to set context of types.  When we
1322         encounter a TYPE_DECL, set the context of the attached type too.
1323         (pop_file_scope): Don't call cpp_undef_all here.
1324         (diagnose_mismatched_decls): Do not complain about a second
1325         definition of an 'extern inline' function if it's not in the
1326         same translation unit.  Do not complain about inline
1327         declaration after use if the use was in a different
1328         translation unit.
1329         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
1330         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
1331         the external scope.
1332         (pushdecl_top_level): Likewise.
1333         (grokdeclarator): Clarify what is going on with setting
1334         DECL_EXTERNAL on function types, a little.
1335         (c_write_global_declarations): Don't do anything if
1336         -fsyntax-only or errors have been encountered.
1337
1338 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1339
1340         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
1341
1342 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1343
1344         PR target/16459
1345         * pa.c (output_indirect_call): Use %r2 as the link register when
1346         calling $$dyncall with a pc-relative branch.
1347
1348 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
1349
1350         * doc/install.texi (Binaries): Mention OpenPKG.
1351
1352 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
1353
1354         Fix PR tree-optimization/15555
1355         * tree-dfa.c (dump_variable): If the variable is a pointer
1356         SSA_NAME, also dump its points-to information.
1357         * tree-flow.h (struct ptr_info_def): Add field
1358         is_dereferenced.
1359         (dump_points_to_info_for): Declare.
1360         (debug_points_to_info_for): Declare.
1361         * tree-optimize.c (init_tree_optimization_passes): Add a
1362         second alias analysis pass after DOM2.
1363         Move pass_del_pta to a later spot.
1364         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
1365         create a name tags when we find a dereferenced pointer.  Just
1366         mark the pointer dereferenced.
1367         (collect_points_to_info_for): Move code to clear points-to
1368         information to create_name_tags.
1369         (create_name_tags): New function.
1370         (compute_flow_sensitive_aliasing): Call it.
1371         (setup_pointers_and_addressables): Mark type tags for renaming
1372         here instead of ...
1373         (create_memory_tag): ... here.
1374         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
1375         (dump_points_to_info_for): Declare extern.
1376         (debug_points_to_info_for): New function.
1377
1378 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
1379
1380         * config/arc/arc.md: Switch to DFA-based scheduler description.
1381         * config/arc/arc.c: Switch to DFA-based scheduler description.
1382
1383 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1384
1385         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
1386         pointer.
1387
1388 2004-07-09  Richard Henderson  <rth@redhat.com>
1389
1390         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
1391         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1392         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
1393         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1394
1395         * config/v850/v850-protos.h (v850_va_arg): Remove.
1396         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1397         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
1398         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
1399         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
1400         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
1401
1402 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1403
1404         PR target/12133
1405         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
1406         and DImode to use +/-4k offset.
1407
1408 2004-07-09  Richard Henderson  <rth@redhat.com>
1409
1410         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
1411         Remove.
1412         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1413         (xstormy16_gimplify_va_arg_expr): Rewrite from
1414         xstormy16_expand_builtin_va_arg.
1415         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
1416
1417         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
1418         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
1419
1420         * config/sh/sh-protos.h (sh_va_arg): Remove.
1421         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1422         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
1423         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
1424
1425         * config/pa/pa-protos.h (hppa_va_arg): Remove.
1426         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1427         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
1428         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1429
1430         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
1431         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1432         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
1433         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
1434
1435 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1436
1437         * config/sparc/sparc.md (return): Rewrite length formula.
1438         * config/sparc/sparc.c (output_return): Pass 1 as 5th
1439         argument to final_scan_insn when in a delay slot.
1440         (output_sibcall): Likewise.
1441
1442 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1443
1444         * arm.c (arm_cpp_interwork): New variable.
1445         (arm_override_options): Set it if TARGET_INTERWORK was on the command
1446         line.
1447         * arm.h (arm_cpp_interwork): Declare it.
1448         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
1449         __THUMB_INTERWORK__ in the preprocessor.
1450
1451 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
1452
1453         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
1454
1455 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1456
1457         PR target/16416
1458         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
1459         Override default settings to account for -m32 and -m64.
1460
1461 2004-07-08  Randolph Chung  <tausq@debian.org>
1462
1463         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
1464
1465 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
1466
1467         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
1468         before comparing it as such.
1469
1470 2004-07-08  Richard Henderson  <rth@redhat.com>
1471
1472         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
1473         temporary.  Use bit arithmetic to align.
1474
1475 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
1476
1477         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
1478         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
1479         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
1480         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
1481         add_labels_and_missing_jumps, find_jump_block,
1482         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1483         Likewise.
1484         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
1485         link_btr_uses, move_btr_def): Likewise.
1486         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
1487         expand_builtin_expect_jump): Likewise.
1488         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
1489         * calls.c (expand_call, emit_library_call_value_1): Likewise.
1490         * cfganal.c (forwarder_block_p): Likewise.
1491         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
1492         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
1493         find_bb_boundaries): Likewise.
1494         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1495         merge_blocks_move_predecessor_nojumps,
1496         merge_blocks_move_successor_nojumps, insns_match_p,
1497         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1498         try_optimize_cfg): Likewise.
1499         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
1500         * cfglayout.c (skip_insns_after_block, label_for_bb,
1501         record_effective_endpoints, insn_locators_initialize,
1502         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
1503         * cfgmainloop.c (create_loop_notes): Likewise.
1504         * cfgrtl.c (delete_insn, delete_insn_chain,
1505         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
1506         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
1507         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
1508         redirect_branch_edge, force_nonfallthru_and_redirect,
1509         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
1510         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
1511         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
1512         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
1513         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
1514         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
1515         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
1516         * combine.c (combine_instructions, can_combine_p, try_combine,
1517         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
1518         distribute_notes, distribute_links, insn_cuid): Likewise.
1519         * cse.c (fold_rtx, cse_insn, cse_around_loop,
1520         invalidate_skipped_block, cse_set_around_loop,
1521         cse_end_of_basic_block, cse_main, cse_basic_block,
1522         cse_condition_code_reg): Likewise.
1523         * cselib.c (cselib_process_insn): Likewise.
1524         * ddg.c (create_ddg): Likewise.
1525         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
1526         Likewise.
1527         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
1528         gen_label_die, dwarf2out_var_location): Likewise.
1529         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
1530         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
1531         last_call_insn, active_insn_p, next_label, prev_label,
1532         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
1533         add_insn_before, remove_insn, add_function_usage_to,
1534         reorder_insns, find_line_note, remove_unnecessary_notes,
1535         emit_insn_after_1, classify_insn): Likewise.
1536         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
1537         connect_post_landing_pads, sjlj_mark_call_sites,
1538         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
1539         can_throw_internal, can_throw_external, set_nothrow_function_flags,
1540         convert_to_eh_region_ranges): Likewise.
1541         * explow.c (optimize_save_area_alloca): Likewise.
1542         * expr.c (expand_expr_real): Likewise.
1543         * final.c (insn_current_reference_address, compute_alignments,
1544         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
1545         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
1546         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
1547         propagate_block_delete_insn, propagate_one_insn,
1548         init_propagate_block_info, propagate_block, libcall_dead_p,
1549         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
1550         Likewise.
1551         * function.c (instantiate_virtual_regs, reorder_blocks_1,
1552         expand_function_start, expand_function_end, contains,
1553         thread_prologue_and_epilogue_insns,
1554         reposition_prologue_and_epilogue_notes): Likewise.
1555         * gcse.c (constprop_register, bypass_conditional_jumps,
1556         insert_insn_end_bb, gcse_after_reload): Likewise.
1557         * genemit.c (gen_expand, gen_split): Likewise.
1558         * genpeep.c (gen_peephole, main): Likewise.
1559         * global.c (build_insn_chain): Likewise.
1560         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
1561         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
1562         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
1563         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
1564         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
1565         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
1566         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
1567         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
1568         dead_or_predicable): Likewise.
1569         * integrate.c (try_constants): Likewise.
1570         * jump.c (rebuild_jump_labels, cleanup_barriers,
1571         purge_line_number_notes, init_label_info, mark_all_labels,
1572         squeeze_notes, get_label_before, get_label_after,
1573         reversed_comparison_code_parts, simplejump_p, pc_set,
1574         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
1575         delete_barrier, delete_prior_computation, delete_computation,
1576         delete_related_insns, delete_for_peephole, redirect_jump):
1577         Likewise.
1578         * lcm.c (optimize_mode_switching): Likewise.
1579         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
1580         Likewise.
1581         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
1582         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
1583         * loop-iv.c (simplify_using_assignment): Likewise.
1584         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
1585         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
1586         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
1587         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
1588         check_insn_for_givs, check_final_value, update_giv_derive,
1589         basic_induction_var, product_cheap_p, check_dbra_loop,
1590         loop_insn_first_p, last_use_this_basic_block,
1591         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
1592         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
1593         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
1594         sms_schedule_by_order): Likewise.
1595         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
1596         * postreload.c (reload_cse_simplify_operands, reload_combine,
1597         reload_cse_move2add): Likewise.
1598         * predict.c (can_predict_insn_p, estimate_probability,
1599         expected_value_to_br_prob, process_note_predictions): Likewise.
1600         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
1601         * profile.c (branch_prob): Likewise.
1602         * ra-build.c (live_out_1, livethrough_conflicts_bb,
1603         detect_webs_set_in_cond_jump): Likewise.
1604         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
1605         ra_print_rtl_with_bb): Likewise.
1606         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
1607         * recog.c (next_insn_tests_no_inequality, find_single_use,
1608         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
1609         * reg-stack.c (next_flags_user, record_label_references,
1610         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
1611         compensate_edge, convert_regs_1): Likewise.
1612         * regclass.c (scan_one_insn): Likewise.
1613         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1614         regmove_optimize, fixup_match_1, single_set_for_csa,
1615         combine_stack_adjustments_for_block): Likewise.
1616         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
1617         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
1618         find_equiv_reg): Likewise.
1619         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
1620         reload_as_needed, emit_input_reload_insns, do_output_reload,
1621         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
1622         Likewise.
1623         * reorg.c (find_end_label, emit_delay_sequence,
1624         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
1625         get_jump_flags, rare_destination, mostly_true_jump,
1626         try_merge_delay_insns, redundant_insn, own_thread_p,
1627         fill_simple_delay_slots, fill_slots_from_thread,
1628         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
1629         dbr_schedule): Likewise.
1630         * resource.c (find_basic_block, next_insn_no_annul,
1631         find_dead_or_set_registers, mark_target_live_regs): Likewise.
1632         * rtl.h (RTX_PREV): Likewise.
1633         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
1634         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
1635         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
1636         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
1637         tablejump_p, computed_jump_p, insns_safe_to_move_p,
1638         find_first_parameter_load, can_hoist_insn_p): Likewise.
1639         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
1640         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
1641         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
1642         schedule_ebbs): Likewise.
1643         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
1644         is_conditionally_protected, can_schedule_ready_p,
1645         add_branch_dependences, debug_dependencies): Likewise.
1646         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
1647         Likewise.
1648         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
1649         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
1650         set_dominates_use, ujump_to_loop_cont): Likewise.
1651         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
1652         * varasm.c (output_constant_pool_1): Likewise.
1653
1654 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1655
1656         * tree-scalar-evolution.c: New file.
1657         * tree-scalar-evolution.h: New file.
1658         * tree-ssa-loop-niter.c: New file.
1659         * Makefile.in (SCEV_H): New.
1660         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
1661         * cfgloop.h (struct loop): Add bounds field.
1662         * tree-flow.h (struct tree_niter_desc): New type.
1663         (number_of_iterations_cond, number_of_iterations_exit,
1664         loop_niter_by_eval, find_loop_niter_by_eval,
1665         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
1666         free_numbers_of_iterations_estimates): Declare.
1667         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
1668         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
1669         * doc/invoke.texi (max-iterations-to-track): Document.
1670
1671 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1672
1673         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
1674         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
1675         (MODE_AFTER): Add cast appropriately.
1676         * config/sh/sh.md (movdi splitter): Likewise.
1677         (casesi_worker_2): Add const qualifier appropriately.
1678         (eh_return): Remove unused variable.
1679         (insv): Initialize v;
1680
1681 2004-07-08  Richard Henderson  <rth@redhat.com>
1682
1683         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
1684         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1685         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
1686         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
1687         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
1688
1689         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
1690         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1691         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
1692         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
1693
1694         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
1695         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1696         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
1697         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
1698
1699         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
1700         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1701         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
1702         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
1703
1704         * config/i860/i860-protos.h (i860_va_arg): Remove.
1705         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1706         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
1707         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
1708
1709 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1710
1711         * system.h: Prototype getpagesize if missing.
1712         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
1713         * configure: Regenerate.
1714         * config.in: Regenerate.
1715
1716 2004-07-08  Richard Henderson  <rth@redhat.com>
1717
1718         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
1719         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1720         (fr30_gimplify_va_arg_expr): New.
1721         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
1722         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
1723
1724 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
1725
1726         PR target/16414
1727         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
1728         of asm_noperands result.
1729
1730 2004-07-08  Richard Henderson  <rth@redhat.com>
1731
1732         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
1733         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1734         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
1735         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
1736
1737 2004-07-08  Richard Henderson  <rth@redhat.com>
1738
1739         * builtins.c (ind_gimplify_va_arg_expr): New.
1740         * tree.h (ind_gimplify_va_arg_expr): Declare.
1741         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
1742
1743 2004-07-08  Jan Beulich  <jbeulich@novell.com>
1744
1745         * expmed.c (extract_bit_field): Correct condition to use vec_extract
1746         patterns also on vector elements other than the first one.
1747         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
1748         break statements.
1749
1750 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
1751
1752         * config/rs6000/darwin-ldouble.c: Correct reference
1753         to the Linnainmaa paper.
1754
1755 2004-07-08  Richard Henderson  <rth@redhat.com>
1756
1757         * config/arc/arc-protos.h (arc_va_arg): Remove.
1758         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1759         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
1760         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1761
1762         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
1763         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1764         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
1765         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
1766
1767 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1768
1769         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
1770
1771 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1772
1773         * c-decl.c (static_ctors, static_dtors): Make static.
1774         (pop_file_scope): Call c_common_write_pch and
1775         cgraph_finalize_compilation_unit here.
1776         (build_cdtor): Moved here from c-objc-common.c; simplify.
1777         (c_write_global_declarations_1): Clarify comment.
1778         (c_write_global_declarations): Close the external scope before
1779         doing anything else.  Call build_cdtor, cgraph_optimize, and
1780         mudflap_finish_file here.
1781         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
1782         Clarify comment.
1783         * c-objc-common.c: No need to include cgraph.h.
1784         (build_cdtor): Moved to c-decl.c.
1785         (c_objc_common_finish_file): Delete.
1786         * c-tree.h: Update to match.
1787         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
1788         (generate_static_references): Set TREE_USED before calling finish_decl.
1789         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
1790         on the static_instances_decl.
1791
1792 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1793
1794         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
1795         decls when there is only one input translation unit.
1796         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
1797         change of 2004-07-05; do not treat declarations with
1798         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
1799         * opts.c (cur_in_fname): Delete.
1800         * opts.h: Likewise.
1801         * tree.c: Revert changes of 2004-07-05; no special treatment
1802         for TRANSLATION_UNIT_DECLs.
1803         * Makefile.in (tree.o): Update dependencies.
1804
1805 2004-07-08  Roger Sayle  <roger@eyesopen.com>
1806
1807         * builtins.c (fold_builtin_strcpy): Merge functionality from
1808         simplify_builtin_strcpy.  Add additional len argument.  No longer
1809         static.  Remove function prototype.
1810         (fold_builtin_strncpy): Likewise integrate functionality from
1811         simplify_builtin_strncpy.  Add additional slen argument.  No
1812         longer static.  Remove function prototype.
1813         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1814         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
1815         types of "ignore" and "unlocked" parameters to bool.
1816         (fold_builtin_1):  Add additional ignore argument.  Call renamed
1817         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1818         builtins.  Update arguments to fold_builtin_strncpy and
1819         fold_builtin_strcpy.  Add function prototype.
1820         (fold_builtin): Add additional Boolean ignore argument to pass
1821         to fold_builtin_1.
1822         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1823         and fold_builtin_strncpy instead of simplify_builtin_fputs,
1824         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1825
1826         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1827         simplify_builtin_strncpy): Delete function prototypes.
1828         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1829         fold_builtin_strncpy): Add function prototypes here.
1830         (fold_builtin): Update function prototype with new "bool ignore".
1831
1832         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1833         (ccp_fold_builtin):  Update call to fold_builtin.  Call
1834         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1835         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1836         simplify_builtin_strncpy respectively.
1837         * fold-const.c (fold): Update call to fold_builtin.
1838
1839 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1840
1841         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1842         to strcpy.
1843
1844         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1845         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1846         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1847         * calls.c: Remove ifdefs of macros above.
1848         * functions.c: Likewise.
1849         * expr.c: Likewise.
1850
1851 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1852
1853         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1854         (arch attribute): Delete.
1855         (current_function_calls_alloca attribute): Rename into calls_alloca.
1856         (calls_eh_return): New attribute.
1857         (leaf_function): Likewise.
1858         (length attribute): Fix formula for sibcalls.
1859         (return insn): Correctly compute the 'length' attribute.
1860         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1861
1862 2004-07-08  Richard Henderson  <rth@redhat.com>
1863
1864         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1865         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1866         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1867         * tree-eh.c (lower_eh_constructs_1): Likewise.
1868         * tree-sra.c (sra_walk_modify_expr): Likewise.
1869         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1870         (eliminate_unnecessary_stmts): Likewise.
1871         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1872         * tree-tailcall.c (optimize_tail_call): Likewise.
1873         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1874
1875 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1876             Jakub Jelinek  <jakub@redhat.com>
1877
1878         * config/i386/i386.c (override_options): Enable
1879         SSE prefetches with -mtune, as long as we are
1880         compiling for i686 or higher.  All i686 processors
1881         accept SSE prefetches as NOPS, some i586's don't.
1882
1883 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1884
1885         PR target/10567
1886         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1887
1888 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1889
1890         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1891         the handling of clobbering ASM_EXPRs.
1892
1893 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1894
1895         PR target/16430
1896         * config/sparc/sparc.c (function_value): In 64-bit mode,
1897         return the aggregates larger than 16 bytes like unions.
1898
1899 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1900
1901         PR target/16199
1902         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1903         'temp' is zero, generate new pseudos as needed and emit the
1904         sequence of insns in single-assignment form.  Resync comments
1905         with code.
1906         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1907         function before reload.
1908
1909 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
1910
1911         * vec.c (vec_assert_fail): Remove duplicate 'function'.
1912
1913         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1914
1915         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1916         Allocation is signed.
1917         (VEC_reserve): Return flag, allocation is signed.
1918
1919 2004-07-08  Richard Henderson  <rth@redhat.com>
1920
1921         * tree-ssa-ccp.c (fold_stmt): Get type directly from
1922         OBJ_TYPE_REF_OBJECT.
1923
1924 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1925             Neil Booth  <neil@daikokuya.co.uk>
1926
1927         PR c/2511
1928         PR c/3325
1929         * c-decl.c (finish_struct): Ensure bit-fields are given the
1930         correct type.
1931         * c-common.c (c_common_signed_or_unsigned_type): For C, require
1932         the precision to match as well as the mode.
1933         * expr.c (reduce_to_bit_field_precision): New function.
1934         (expand_expr_real_1): Reduce expressions of bit-field type to
1935         proper precision.
1936         * langhooks.h (reduce_bit_field_operations): New hook.
1937         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1938         Define.
1939         * c-lang.c, objc/objc-lang.c
1940         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1941         * objc/objc-act.c (check_ivars): Convert types to bit-field types
1942         before checking.
1943         * tree.c (build_nonstandard_integer_type): New function.
1944         * tree.h (build_nonstandard_integer_type): New prototype.
1945         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1946         conversions between integer and boolean types as useless.
1947
1948 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1949
1950         * c-common.c (c_common_nodes_and_builtins): Do not
1951         create __builtin_ptrdiff_t and __builtin_size_t.
1952
1953 2004-07-08  Andrew Pinski  <apinski@apple.com>
1954
1955         * Makefile.in (libbackend.o): Add -combine to the gcc
1956         command line.
1957
1958 2004-07-08  Nick Clifton  <nickc@redhat.com>
1959
1960         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1961         Set to -Os.
1962
1963 2004-07-08  Richard Henderson  <rth@redhat.com>
1964
1965         * except.c (expand_eh_region_start, expand_eh_region_end,
1966         expand_eh_handler, expand_eh_region_end_cleanup,
1967         expand_start_all_catch, expand_start_catch, expand_end_catch,
1968         expand_end_all_catch, expand_eh_region_end_allowed,
1969         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1970         expand_eh_region_end_fixup): Remove.
1971         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1972         cleanups, outer_cleanups, label_chain, exception_region.
1973         (struct goto_fixup): Remove stack_level, cleanup_list_list.
1974         (struct label_chain): Remove.
1975         (struct stmt_status): Remove x_stack_block_stack.
1976         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1977         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1978         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1979         end_cleanup_deferral, last_cleanup_this_contour,
1980         containing_blocks_have_cleanups_or_stack_level,
1981         any_pending_cleanups): Remove.
1982         (expand_null_return_1): Take no arguments.
1983         (expand_label, expand_naked_return, expand_return,
1984         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1985         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1986         expand_end_case_type): Don't use any of them.
1987         * calls.c (expand_call): Likewise.
1988         * dojump.c (do_jump): Likewise.
1989         * function.c (expand_function_end): Likewise.
1990         * expr.c (store_expr, expand_expr_real_1): Likewise.
1991         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1992         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1993         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1994         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1995         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1996         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1997         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1998         for WITH_CLEANUP_EXPR.
1999         (gimple_push_cleanup): Likewise.
2000         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
2001         * print-tree.c (print_node): Likewise.
2002         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
2003         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
2004         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
2005         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
2006         (GOTO_SUBROUTINE_EXPR): Remove.
2007         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
2008         (DECL_TOO_LATE): Remove.
2009         * except.h, tree.h: Update decls.
2010
2011 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2012
2013         * explow.c (optimize_save_area_alloca): Do not accept parameters.
2014         * passes.c (rest_of_handle_final): Handle symout.
2015         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
2016         Push timevar here.
2017         (rest_of_handle_sched): Break out SMS.  Remove ifs for
2018         flag_schedule_insns and flag_modulo_sched.
2019         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
2020         collect at the end.
2021         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
2022         (rest_of_handle_partition_blocks, rest_of_handle_sms,
2023         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
2024         rest_of_handle_mode_switching, rest_of_handle_jump,
2025         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
2026         rest_of_handle_jump2, rest_of_handle_postreload,
2027         rest_of_handle_flow2, rest_of_clean_state,
2028         rest_of_handle_shorten_branches,
2029         rest_of_handle_prologue_epilogue,
2030         rest_of_handle_branch_target_load_optimize): New.
2031         (rest_of_compilation): Call the above.  Remove ggc_collect
2032         calls moved to rest_of_handle_*.
2033         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
2034
2035         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
2036         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
2037         * except.h (set_nothrow_function_flags): Update comment.
2038         * function.c (current_function_nothrow): Remove.
2039         * output.h (current_function_nothrow): Remove.
2040         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
2041         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
2042
2043 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2044
2045         PR bootstrap/16326
2046         * reorg.c: Revert 2004-06-30 change.
2047         (find_end_label): If HAVE_epilogue and !HAVE_return,
2048         return 0 instead of creating a label at the end of the insn chain.
2049         (optimize_skip): Account for the failure mode of find_end_label.
2050         (fill_simple_delay_slots): Likewise.
2051         (fill_slots_from_thread): Likewise.
2052         (relax_delay_slots): Likewise.
2053
2054 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2055
2056         * tree-flow.h (addressable_vars): Declare.
2057         * tree-ssa-alias.c (addressable_vars): Define.
2058         (setup_pointers_and_addressables): Add addressable variables
2059         to addressable_vars.
2060         * tree-ssa-operands.c (get_stmt_operands): Move
2061         handling of ASM_EXPRs ...
2062         (get_asm_expr_operands): ... here.
2063         When the ASM_EXPR clobbers memory, also clobber addressable
2064         variables.
2065         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
2066         (delete_tree_ssa): Reset addressable_vars.
2067
2068 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2069             Richard Henderson  <rth@redhat.com>
2070
2071         * varasm.c (assemble_variable): Use assemble_zeros for
2072         zero-initialized variables.
2073         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
2074         for SECCAT_BSS and SECCAT_TBSS.
2075
2076 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2077
2078         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
2079
2080         * expmed.c (emit_store_flag): Also special-case double-word
2081         (in-)equality comparison against -1.
2082
2083         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
2084         passing arguments the containers for which are registers.
2085
2086         * calls.c (emit_library_call_value_1): Use mode of function parameter
2087         rather than that of argument since constants have none.
2088
2089 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2090
2091         Introduce H8SX support.
2092         * expr.c (expand_strcpy): Renamed and moved to...
2093         * builtins.c (expand_movstr): ... here.  Tweak.
2094         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
2095         computed or has side effects.
2096         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
2097         unused, or if mempcpy fails.  Adjust the return value in the
2098         latter case.  Use movstr if everything else fails.
2099         * doc/md.texi (movstr): Document.
2100         (movmemM, clrmemM): Fix explanation of memory block operands.
2101         * config/h8300/h8300.md (stpcpy): Renamed to...
2102         (movstr): ... this.  Adjust.
2103         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2104         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
2105         movmem* and clrstr* to clrmem*.
2106         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
2107         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
2108         GENERAL_REGS, always.
2109         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
2110         getting the stack pointer as addr.
2111         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
2112         from general_operand_dst.
2113         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
2114         variant of...
2115         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
2116         instead of requiring it to match only before reload.
2117         (stpcpy_internal_normal): New, normal-mode variant of...
2118         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
2119         `D' instead of requiring it to match only before reload.
2120         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
2121         mode argument.
2122         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
2123         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
2124         h8300_get_index.
2125         * config/h8300/h8300.md (attr type): Add call.
2126         (attr can_delay): If type is call, set it no.
2127         (call, call_value): Set type to call.
2128         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
2129         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
2130         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
2131         * tree.c (get_narrower): Don't narrow integral types into
2132         non-integral types.
2133         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
2134         frame_size *before* the first use.
2135         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
2136         on input.
2137         (peephole2): Don't widen instructions that push SP.  Move
2138         decrement of SP to the end of all stm-generating peepholes.
2139         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2140         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
2141         and OR to set it to all ones.
2142         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2143         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
2144         (call, call_value): Set can_delay to "no".
2145         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
2146         * config/h8300/h8300.md (extzv): Make subreg check more robust.
2147         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2148         * config/h8300/h8300.md (*brabit): Remove.
2149         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
2150         zero_extract.  Use bit_memory_operand as the predicate for
2151         operand 1 and 'WU' as the constraint.  Check the difference
2152         between the base length and the final one when deciding which
2153         type of branch to use.
2154         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2155         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
2156         Use convert_move to extend the result for TARGET_H8300SX.  Check
2157         for QImode memory references.  Optimize the case where the
2158         destination is a paradoxical subreg.
2159         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2160         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
2161         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
2162         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2163         * config/h8300/h8300.md: Include mova.md
2164         (length_table): Add mova and mova_zero.
2165         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
2166         after all constant addresses for '%R', '%X', '%T' and '%S'.
2167         (h8300_mova_length): New function.
2168         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
2169         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
2170         dependencies for s-config, etc.
2171         * config/h8300/gemova.sh: New file.
2172         * config/h8300/mova.md: Generated.
2173         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
2174         * config/h8300/h8300.c (h8300_bitfield_length): New.
2175         (nibble_operand): Adjust.
2176         (h8300_binary_length): Handle conditional binary op.
2177         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
2178         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
2179         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
2180         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
2181         constraints.  WU is introduced as a variant of U that requires a
2182         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
2183         * config/h8300/h8300.md (attr type): Added bitbranch.
2184         (attr length_table): Added bitfield and bitbranch.
2185         (attr length): Compute bitbranch length.
2186         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
2187         least-significant bit of a byte.
2188         (brabit, brabc, brabs): New.
2189         (insv, extzv): Emit bfst and bfld on H8300SX.
2190         (bfld, bfst, seq, sne): New.
2191         (bstzhireg, cmpstz, bstz, bistz): New.
2192         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
2193         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
2194         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
2195         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
2196         (h8sx_unary_memory_operator): New function.
2197         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
2198         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
2199         * config/h8300/h8300.md: Add peepholes to combine reloads and
2200         arithmetic insns.
2201         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2202         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
2203         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
2204         (and?i, ior?i, xor?i): Likewise.
2205         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2206         * config/h8300/h8300.c: Move enums and prototypes to head of file.
2207         Various whitespace fixes.
2208         (h8300_constant_length): New function, split out from...
2209         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
2210         (h8300_classify_operand): Use IN_RANGE.
2211         (h8300_classify_operand): Use h8300_constant_length.
2212         (h8300_short_move_mem_p): Tighten size check.
2213         (h8sx_mergeable_memrefs_p): Tighten equality check.
2214         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
2215         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
2216         for -msx.
2217         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
2218         * config/h8300/crtn.asm: Likewise.
2219         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
2220         if __H8300SX__ is defined.
2221         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
2222         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
2223         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
2224         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
2225         addresses as mode-dependent.
2226         * config/h8300/h8300.c (print_operand_address): Update call to
2227         h8300_get_index.
2228         (h8300_get_index): Take a mode argument.  Rework to fix an
2229         earlier misunderstanding.
2230         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
2231         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
2232         into a register if TARGET_H8300SX.
2233         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
2234         TARGET_H8300SX.  Also disable related define_splits.
2235         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
2236         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
2237         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
2238         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2239         * config/h8300/h8300.h (OK_FOR_Z): New macro.
2240         (EXTRA_CONSTRAINT_STR): Check it.
2241         * config/h8300/h8300.c (h8300_classify_operand): Accept null
2242         class arguments.
2243         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
2244         * config/h8300/h8300.md (length_table): Add mov_imm4.
2245         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
2246         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2247         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
2248         be a label.
2249         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
2250         * config/h8300/h8300.c (h8300_reorg): New function.
2251         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2252         * config/h8300/h8300.md (length): Subtract the length of the
2253         delay slot from (pc) when checking the range of forward branches.
2254         (delay_slot, can_delay): New attributes.
2255         (define_delay): Add bra/s handling.
2256         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
2257         (jump): Add delayed-branch handling.
2258         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
2259         * expr.c (expand_strcpy): New function.
2260         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
2261         (expand_builtin_stpcpy): Likewise.
2262         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
2263         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
2264         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
2265         handling to improve register allocation for -fno-omit-frame-pointer.
2266         (h8sx_split_movmd): Delete, moving er6 handling into...
2267         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
2268         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
2269         (movmd): Add calls to copy_rtx.
2270         (movmd_internal): In the second alternative, allow the initial and
2271         final destination registers to be different .  Update the splitter
2272         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
2273         instead of h8sx_split_movmd.
2274         (stpcpy, movsd): New expanders.
2275         (movsd_internal): New define_insn.
2276         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
2277         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
2278         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
2279         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
2280         and DESTINATION_REGS.
2281         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2282         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
2283         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
2284         (h8300_move_ratio): Declare.
2285         (MOVE_RATIO): Use it.
2286         * config/h8300/h8300.c (h8300_move_ratio): New variable.
2287         (h8300_init_once): Initialize it.
2288         (h8300_reg_class_from_letter): New function.
2289         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
2290         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
2291         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
2292         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
2293         (movstrsi, movmd): New expanders.
2294         (movmd_internal): New insn.
2295         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
2296         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
2297         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
2298         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
2299         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
2300         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2301         * config/h8300/h8300.c (nibble_operand): Fix warning.
2302         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
2303         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
2304         (movsf_h8300h): Disable for TARGET_H8300SX.
2305         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2306         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
2307         h8300_stm_parallel and h8300_return_parallel.
2308         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
2309         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
2310         h8300_stm_parallel, h8300_return_parallel): New functions.
2311         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
2312         if TARGET_H8300SX.  Use h8300_push_pop.
2313         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
2314         and final pop when generating h8sx code.  Always emit some form
2315         of return insn.
2316         * config/h8300/h8300.md: Don't enforce register alignment in
2317         stm peepholes if TARGET_H8300SX.
2318         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
2319         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
2320         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
2321         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2322         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
2323         (MULTILIB_DIRNAMES): Add a directory for it.
2324         (MULTILIB_MATCHES): Delete.
2325         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2326         * final.c (walk_alter_subreg): Handle addresses with subregs
2327         inside a ZERO_EXTEND or AND.
2328         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
2329         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
2330         if TARGET_H8300SX.
2331         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
2332         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
2333         @(dd,Rn.w) and @(dd,ERn.L).
2334         (h8300_displacement_size): Take the whole address as argument.
2335         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2336         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2337         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
2338         (h8sx_mergeable_memrefs_p): Declare.
2339         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
2340         (HAVE_PRE_INCREMENT): Likewise.
2341         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
2342         addresses for TARGET_H8300SX,
2343         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
2344         and POST_DEC.
2345         (movb_length_table, movl_length_table): New tables.
2346         (movw_length_table): Define to movb_length_table.
2347         (h8300_displacement_size): New, split out from...
2348         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
2349         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
2350         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
2351         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
2352         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
2353         (compute_plussi_length, compute_plussi_cc): Update accordingly.
2354         (h8sx_unary_shift_operator): Get the mode from the operator.
2355         (binary_shift_operator): Likewise.
2356         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
2357         a memory reference, check whether the reference is offsettable.
2358         (length_table): Add movb, movw and movl.
2359         (movqi): Add new h8sx pattern.  Don't force one operand to be a
2360         register when generating h8sx code.
2361         (movhi, movsi, movsf): Likewise.
2362         (movstrictqi): Use the length_table attribute.
2363         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
2364         (addqi3): Split into a define_expand and define_insn.  Don't accept
2365         memory operands in the expander.  Use h8300_operands_match_p to
2366         check for matching operands in the define_insn.
2367         (subqi3, negqi2, one_cmplqi2): Likewise.
2368         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
2369         in any patterns that are unused in h8sx code.  In the h8sx patterns,
2370         use h8300_operands_match_p to check whether operands match.
2371         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
2372         one_cmpl[hs]i3): Likewise.
2373         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
2374         in the expander.
2375         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
2376         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
2377         (h8300_insn_length_from_table): Add a second parameter.
2378         (output_h8sx_shift): Declare.
2379         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
2380         (EXTRA_CONSTRAINT): Replace with...
2381         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
2382         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
2383         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
2384         and h8sx_binary_shift_operator.
2385         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
2386         for TARGET_H8300SX.
2387         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
2388         (bit_memory_operand, fix_bit_operand): Likewise.
2389         (h8300_length_table_for_insn): Remove.
2390         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
2391         instructions.
2392         (h8300_short_immediate_length, h8300_binary_length): New functions.
2393         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
2394         (output_plussi): Use sub to add negative constants.
2395         (compute_plussi_length): Adjust accordingly.
2396         (h8sx_single_shift_type): New enum.
2397         (h8sx_single_shift, h8sx_unary_shift_operator,
2398         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
2399         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
2400         single h8sx instruction.  Return false in this case.
2401         * config/h8300/h8300.md (length_table): Add short_immediate.
2402         (length): Pass the operand array to h8300_insn_length_from_table.
2403         (adjust_length): Assume "no" for insns with a length_table attribute.
2404         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
2405         (*addhi3_h8300hs): Don't use for h8sx.
2406         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
2407         and sub.w #xx:3.
2408         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
2409         1's predicate to nonimmediate_operand.  Only skip default expansion
2410         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
2411         for single h8sx shift instructions.
2412         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
2413         * config/h8300/h8300.c (nibble_operand): Split out of...
2414         (reg_or_nibble_operand): ... this.
2415         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
2416         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
2417         umulhisi3): Introduce expand, and introduce separate insns for
2418         sign- or zero-extended REG and already-extended CONST_INT.
2419         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
2420         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
2421         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
2422         (subhi3): Likewise.  Don't accept immediates for operand 1.
2423         Remove the early clobber from second alternative of the h8300s pattern.
2424         (subsi3): Generalize for h8sx.  Force operand 2 into a register
2425         on plain h8300 targets.
2426         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
2427         (subsi3_h8300h): Generalize for h8sx.
2428         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
2429         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
2430         * config/h8300/h8300.c (reg_or_nibble_operand): New.
2431         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2432         (TARGET_H8300SXMUL): New.
2433         (CONST_OK_FOR_P): New.
2434         (CONST_OK_FOR_LETTER_P): Adjust.
2435         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
2436         umulhisi3): Accept 4-bit immediate on H8SX.
2437         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
2438         (udivsi3, divhi3, udivsi3, divsi3): New.
2439         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
2440         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
2441         * config/h8300/h8300.h (OK_FOR_Q): New macro.
2442         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
2443         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
2444         Add ADDRESSOF to the bit_operand entry.
2445         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
2446         (h8300_src_operand): Likewise.
2447         (bit_operand): Check nonimmediate_operand rather than general_operand.
2448         Accept any nonimmediate_operand in h8sx code.
2449         (h8300_and_costs): Initialize operands[1].
2450         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
2451         (h8300_operand_class): New enum.
2452         (h8300_length_table): New typedef.
2453         (addb_length_table, addw_length_table, addl_length_table,
2454         logicl_length_table): New tables.
2455         (logicb_length_table, logicw_length_table): New macros.
2456         (h8300_classify_operand, h8300_length_from_table,
2457         h8300_length_table_for_insn, h8300_unary_length,
2458         h8300_insn_length_from_table): New functions.
2459         (output_plussi): Only use adds and subs for register destinations.
2460         Disable redundant clause.
2461         (compute_plussi_cc): Likewise.
2462         (compute_plussi_length): Likewise.  Use h8300_length_from_table
2463         to work out the length of an insn.
2464         (output_logical_op): Only use narrower immediate instructions
2465         if the destination is a register.
2466         (compute_logical_op_cc): Likewise.
2467         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
2468         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
2469         * config/h8300/h8300.md (length_table): New attribute.
2470         (length): When an instruction has a length_table attribute, use
2471         h8300_insn_length_from_table to calculate its default length.
2472         (cmpqi): Use h8300_dst_operand for the first operand and
2473         h8300_src_operand for the second.
2474         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
2475         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
2476         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
2477         iorsi3, xorhi3, xorsi3): Likewise.
2478         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
2479         so that it allows any combination of operands for TARGET_H8300SX.
2480         (iorqi3, xorqi3): Likewise.
2481         (cmpqi): Use the length_table attribute.
2482         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
2483         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2484         (cmpqi): Add 'Q' constraint.
2485         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
2486         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2487         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
2488         * config/h8300/h8300.h (MASK_H8300SX): New macro.
2489         (TARGET_H8300S): True for both -ms and -msx.
2490         (TARGET_H8300SX): New macro.
2491         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
2492         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
2493         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
2494         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
2495         [Temporary change.]
2496         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
2497         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
2498         16-bit pointers and 32-bit ints.
2499         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
2500         CONST_DOUBLE with mode no wider than SImode.
2501         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
2502         output operand.
2503         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
2504         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
2505         or SUBREG thereof.
2506         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2507         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
2508         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
2509
2510 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2511
2512         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
2513
2514 2004-07-07  Per Bothner  <per@bothner.com>
2515
2516         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
2517
2518 2004-07-07  Mike Stump  <mrs@apple.com>
2519
2520         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
2521         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
2522         (machopic_finish): Likewise.
2523
2524 2004-07-07  Richard Henderson  <rth@redhat.com>
2525
2526         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
2527         through any value-preserving cast.
2528
2529 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2530
2531         * function.c (assign_parm_find_data_types): Call
2532         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
2533
2534 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2535
2536         * tree-cfg.c (group_case_labels): Remove case labels that have
2537         the same target as the default case.
2538
2539 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2540
2541         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
2542         regardless of DECL_LANG_SPECIFIC being present or not.
2543         * tree.h (DECL_NUM_STMTS): Purge.
2544
2545 2004-07-07  Andrew Pinski  <apinski@apple.com>
2546
2547         * configure: Regenerate with the right autoconf.
2548
2549 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
2550
2551         * ifcvt.c (total_bb_rtx_cost): New function.
2552         (find_if_case_1): Compare rtx_cost of basic block to cost of
2553         BRANCH_COST insns.
2554         (find_if_case_2): Same.
2555
2556 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2557
2558         PR target/10567
2559         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
2560         (output_return): Likewise.
2561         (output_sibcall): Abort if !flag_delayed_branch.
2562         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
2563         (emit_and_preserve): New function.
2564         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
2565         indirect jump to the thunked-to function if !flag_delayed_branch.
2566         * config/sparc/sparc.md (delayed_branch): New attribute.
2567         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
2568         attribute to compute the length of the insn.
2569         (goto_handler_and_restore): Likewise.
2570
2571 2004-07-07  Andrew Pinski  <apinski@apple.com>
2572
2573         PR tree-optimization/15777
2574         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
2575
2576         * expr.c (expand_expr_real_1): Fix formating.
2577         BUFFER_REF and IN_EXPR are dead.
2578         * fold-const.c (non_lvalue): BUFFER_REF is dead.
2579         * tree-inline.c (estimate_num_insns_1): Likewise.
2580         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
2581         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
2582         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
2583
2584 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
2585
2586         * collect2.c (dump_file): Don't call cplus_demangle if
2587         HAVE_LD_DEMANGLE is defined.
2588         (main): Pass "--demangle" to ld if no_demangle is not 0 and
2589         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
2590         if HAVE_LD_DEMANGLE is defined.
2591
2592         * configure.ac (--with-demangler-in-ld): Added
2593         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
2594         --with-demangler-in-ld is used.
2595         * config.in: Regenerated.
2596         * configure: Likewise.
2597
2598 2004-07-07  Roger Sayle  <roger@eyesopen.com>
2599
2600         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
2601         for simple floating point operations "fp", double precision
2602         multiplication "dmul", and single and double precision division
2603         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
2604         (ppc630_cost): New table split from ppc620_cost, to distinguish
2605         differences in floating point latencies.
2606         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
2607         (rs6000_rtx_costs): Add support for single and double precision
2608         floating point addition, subtraction, multiplication, division,
2609         fused-multiply-add, fused-multiply-sub, negation, absolute value
2610         and negative absolute value.  Tweak MEM case to use prefered idiom.
2611
2612 2004-07-07  Richard Henderson  <rth@redhat.com>
2613
2614         * tree-flow-inline.h (may_propagate_copy): Move...
2615         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
2616         attempt to copy between types requiring conversion.
2617         * tree-flow.h (may_propagate_copy): Update decl.
2618         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
2619
2620 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
2621
2622         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
2623         from -mtune= option.
2624
2625 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2626
2627         * builtins.c: Rename movstr*, except for movstrict*, to
2628         movmem* and clrstr* to clrmem*.
2629         * expr.c: Likewise.
2630         * expr.h: Likewise.
2631         * genopinit.c: Likewise.
2632         * integrate.c: Likewise.
2633         * local-alloc.c: Likewise.
2634         * optabs.c: Likewise.
2635         * optabs.h: Likewise.
2636         * config/alpha/alpha.h: Likewise.
2637         * config/alpha/alpha.md: Likewise.
2638         * config/arm/arm-protos.h: Likewise.
2639         * config/arm/arm.c: Likewise.
2640         * config/arm/arm.md: Likewise.
2641         * config/avr/avr.md: Likewise.
2642         * config/c4x/c4x.c: Likewise.
2643         * config/c4x/c4x.md: Likewise.
2644         * config/frv/frv.md: Likewise.
2645         * config/i386/i386-protos.h: Likewise.
2646         * config/i386/i386.c: Likewise.
2647         * config/i386/i386.h: Likewise.
2648         * config/i386/i386.md: Likewise.
2649         * config/i860/i860.c: Likewise.
2650         * config/i860/i860.md: Likewise.
2651         * config/ip2k/ip2k.md: Likewise.
2652         * config/ip2k/libgcc.S: Likewise.
2653         * config/ip2k/t-ip2k: Likewise.
2654         * config/m32r/m32r.c: Likewise.
2655         * config/m32r/m32r.md: Likewise.
2656         * config/mcore/mcore.md: Likewise.
2657         * config/mips/mips.c: Likewise.
2658         * config/mips/mips.md: Likewise.
2659         * config/ns32k/ns32k.c: Likewise.
2660         * config/ns32k/ns32k.h: Likewise.
2661         * config/ns32k/ns32k.md: Likewise.
2662         * config/pa/pa.c: Likewise.
2663         * config/pa/pa.md: Likewise.
2664         * config/pdp11/pdp11.h: Likewise.
2665         * config/pdp11/pdp11.md: Likewise.
2666         * config/rs6000/rs6000.c: Likewise.
2667         * config/rs6000/rs6000.md: Likewise.
2668         * config/s390/s390-protos.h: Likewise.
2669         * config/s390/s390.c: Likewise.
2670         * config/s390/s390.md: Likewise.
2671         * config/sh/lib1funcs.asm: Likewise.
2672         * config/sh/sh.c: Likewise.
2673         * config/sh/sh.md: Likewise.
2674         * config/sh/t-sh: Likewise.
2675         * config/sparc/sparc.h: Likewise.
2676         * config/vax/vax.md: Likewise.
2677         * config/xtensa/xtensa.c: Likewise.
2678         * config/xtensa/xtensa.md: Likewise.
2679         * doc/invoke.texi: Likewise.
2680         * doc/md.texi: Likewise.
2681         * doc/rtl.texi: Likewise.
2682
2683 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
2684
2685         PR target/16407
2686         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
2687         * config/mips/mips.c (mips_declare_common_object): New function,
2688         mostly split out from...
2689         (mips_output_aligned_decl_common): ...here.
2690         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
2691         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
2692         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
2693         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
2694
2695 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2696
2697         PR c/16392
2698         * function.c (assign_parms): Fix typo from previous change.
2699
2700 2004-07-07  Jason Merrill  <jason@redhat.com>
2701
2702         PR c++/15815
2703         * doc/extend.texi (C++ Interface): Correct information and
2704         discourage use.
2705
2706 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
2707
2708         PR target/16130
2709         PR target/16142
2710         PR target/16143
2711         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
2712         insn.
2713
2714 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2715
2716         PR target/1679.
2717         * config/m32r/m32r.c (m32r_function_symbol): New function:
2718         Generate a symbol name RTX with the correct m32r specific flags
2719         set.
2720         (block_move_call): Use new function to generate correct symbol.
2721         * config/m32r/m32r-protos.h: Add prototype for new funcion.
2722         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
2723         function.
2724
2725 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2726
2727         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
2728         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
2729         TYPE_BINFO_BASETYPE): Remove.
2730         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
2731         to ...
2732         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
2733         here.
2734         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
2735         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
2736         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
2737         (struct tree_binfo): Rename base_types to base_binfos.
2738         * alias.c (record_component_aliases): Adjust BINFO macros.
2739         * dbxout.c (dbxout_type): Likewise.
2740         * dwarf2out.c (gen_member_die): Likewise.
2741         * sdbout.c (sdbout_one_type): Likewise.
2742         * tree-dump.c (deque_and_dump): Likewise.
2743         * config/i386/i386.c (classify_argument,
2744         contains_128bit_aligned_vector_p): Likewise.
2745
2746 2004-07-07  Nick Clifton  <nickc@redhat.com>
2747
2748         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
2749         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
2750
2751 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2752
2753         * vec.h: Fix the example use.
2754
2755 2004-07-06  Richard Henderson  <rth@redhat.com>
2756
2757         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
2758         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
2759         * tree-inline.c (copy_body_r, setup_one_parameter,
2760         initialize_inlined_parameters, expand_call_inline,
2761         declare_inline_vars): Don't check it.
2762         (expand_calls_inline): Remove old version, rename new version
2763         from gimple_expand_calls_inline.
2764         * tree-optimize.c (execute_gimple): Remove.
2765         (pass_gimple): Don't run anything.
2766
2767 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2768
2769         * doc/sourcebuild.texi: Use semicolons instead of commas in
2770         section title.
2771
2772 2004-07-06  Richard Henderson  <rth@redhat.com>
2773
2774         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
2775         (sra_walk_modify_expr, scan_init): Likewise.
2776         (generate_element_zero): Check visited before scanning children.
2777         (generate_element_init): Set visited on error.
2778         (scalarize_init): Handle generate_element_init failure similar
2779         to use_block_copy.
2780
2781 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2782
2783         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
2784         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
2785
2786 2004-07-06  Richard Henderson  <rth@redhat.com>
2787
2788         * config/i386/i386.c (legitimize_pic_address): Make static.
2789         (legitimize_address): Handle CONST with TLS operand.
2790         (ix86_expand_move): Don't call legitimize_pic_address directly.
2791         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
2792
2793 2004-07-06  Roger Sayle  <roger@eyesopen.com>
2794
2795         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
2796         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
2797         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
2798         is currently executed unconditionally, i.e. not in "else_bb".
2799
2800 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2801
2802         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
2803         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2804         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
2805         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2806         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2807         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2808         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2809         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2810         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2811         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2812         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2813         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2814         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2815         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2816         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2817         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2818
2819 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2820
2821         * dojump.c (do_jump): REFERENCE_EXPR is dead.
2822         * expr.c (expand_expr_real_1): Ditto.
2823         * tree-inline.c (estimate_num_insns_1): Ditto.
2824         * tree-pretty-print.c (dump_generic_node): Ditto.
2825         (op_symbol): Ditto.
2826         * tree.def: Ditto.
2827
2828 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2829
2830         * tree-ssa-pre.c (reference_node_pool): New pool.
2831         (find_or_generate_expression): Class 'r' is okay too.
2832         (create_value_expr_from): Ditto.
2833         (add_to_sets): LHS should not include vuses.
2834         (eliminate): Ditto.
2835         (compute_avail): Reverse ordering of tests.
2836         Valuize INDIRECT_REF as well.
2837
2838 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
2839
2840         PR rtl-optimization/16380
2841         * loop.c (check_dbra_loop): Sink comparison instructions if they
2842         do something other than set cc0.
2843
2844 2004-07-06  James E Wilson  <wilson@specifixinc.com>
2845
2846         * doc/interface.texi (longjmp and automatic variables): Delete
2847         paragraph recommending taking the address of a variable.
2848
2849 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2850
2851         * vec.h (VEC_embedded_alloc): Remove.
2852         (VEC_embedded_size, VEC_embedded_init): New.
2853         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2854         MEM_STAT_INFO.
2855         (VEC_truncate): New.
2856         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2857         (vec_embedded_alloc): Remove.
2858         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2859         (vec_embedded_alloc): Remove.
2860
2861 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
2862
2863         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2864         (gt-langhooks.h): Remove.
2865
2866 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
2867
2868         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2869
2870 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2871
2872         * config/sparc/sparc.c (get_pc_symbol): Rename into
2873         add_pc_to_pic_symbol.
2874         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2875         (load_pic_register): Account for previous changes.
2876         Use reg_names.  Don't create the label twice.
2877         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2878         UNSPEC_LOAD_PCREL_SYM.
2879         (get_pc): Rename into load_pcrel_sym.  Add predicate to
2880         operands.  Remove condition.
2881
2882 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2883
2884         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2885         RECORD, UNION & QUAL_UNION is actually a binfo.
2886
2887         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2888         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2889         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2890         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2891         * dwarf2out.c (add_data_member_location_attribute): Likewise.
2892         (gen_inheritance_die): Likewise.
2893         * tree-dump.c (deque_and_dump): Likewise.
2894         * doc/c-tree.texi (Binfos): Add under reconstruction note.
2895
2896 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2897
2898         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2899         Define.
2900         * config/mcore/mcore.md: Model memory latency with a simple DFA
2901         pipeline description instead of a define_function_unit.
2902
2903 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2904
2905         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2906         * langhooks.h (var_mod_type_p): Likewise.
2907         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2908         * expr.c (count_type_elements): Properly handle return from
2909         array_type_nelts and properly test for overflow.
2910         * gimplify.c (gimplify_init_constructor): Properly handle return
2911         from array_type_nelts.
2912         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2913         * integrate.c (copy_decl_for_inlining): Correct comments.
2914         * tree-inline.c (remap_decl): Update comments, remove dead code,
2915         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2916         (remap_type): Only remap if variably modified by vars in function
2917         being inlined.
2918         (copy_body_r): Use compatible_type langhooks to see when can fold.
2919         (setup_one_parameter): Don't remap type.
2920         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2921         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2922         compute TREE_INVARIANT for decl case.
2923         (find_var_from_fn): New function.
2924         (variably_modified_type_p): Add arg and call new function.
2925         * tree.h (variably_modified_type_p): Add extra arg.
2926
2927 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2928
2929         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2930         (goto_handler_and_restore_v9): Delete disabled insn.
2931         (goto_handler_and_restore_v9_sp64): Likewise.
2932
2933 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2934
2935         * calls.c (load_register_parameters): Call expand_shift instead
2936         of expand_binop with ashl_optab (or other shift optab) directly.
2937         * expr.c (emit_group_load, emit_group_store): Likewise.
2938         * function.c (assign_parm_setup_block): Likewise.
2939         * stmt.c (shift_return_value): Likewise.
2940
2941 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
2942
2943         * expr.c (expand_assignment): Disable the bitfield += optimizations.
2944
2945 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2946
2947         * doc/sourcebuild.texi: Revert previous patch.
2948
2949 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2950
2951         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2952         TARGET_MEM_FUNCTIONS.
2953         * system.h: Poison TARGET_MEM_FUNCTIONS.
2954         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2955         bcmp_libfunc, bzero_libfunc): Remove.
2956         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2957         bzero_libfunc.
2958         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2959         * doc/standards.texi: Don't mention calling BSD string functions.
2960         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
2961         * config/vax/t-memfuncs: New.
2962         * config/memcmp.c, config/memcpy.c, config/memmove.c,
2963         config/memset.c: New.
2964         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2965         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2966         vax/t-memfuncs.
2967         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2968         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2969         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2970         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2971         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2972         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2973         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2974         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2975         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2976         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2977
2978 2004-07-05  Richard Henderson  <rth@redhat.com>
2979
2980         * function.c (assign_parm_setup_reg): Properly rename variables in
2981         FUNCTION_ARG_CALLEE_COPIES section.
2982
2983 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2984
2985         * tree-mudflap.c: Include cgraph.h.
2986         (mf_init_extern_trees): Rename to mudflap_init.  Export.
2987         Rewrite to create synthetic declarations instead of looking
2988         up declarations from mf-runtime.h.
2989         (mf_make_builtin, mf_make_cache_struct_type): New functions.
2990         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2991         Correct commentary.
2992         (execute_mudflap_function_decls, mudflap_register_call):
2993         Don't call mf_init_extern_trees.
2994         (mudflap_finish_file): Use cgraph_build_static_cdtor.
2995
2996         * tree-mudflap.h: Update prototypes.
2997         * c-mudflap.c: Delete file.
2998         * c-common.c: Include tree-mudflap.h.
2999         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
3000         * Makefile.in: Remove all references to c-mudflap.o.
3001         Update dependencies.
3002
3003 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3004
3005         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
3006         displacements with the spatial-locality cache-control completer.
3007
3008 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
3009
3010         * langhooks.c: Don't include gt-langhooks.h.
3011         (var_labelno): Delete.
3012         (lhd_set_decl_assembler_name): Do not append a distinguishing
3013         number to file-scope internal-linkage declarations for the first
3014         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
3015         the declaration itself (if at block scope), or its containing
3016         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
3017         number.
3018
3019         * opts.c (cur_in_fname): New global.
3020         * opts.h: Declare it.
3021         * tree.c: Include opts.h.
3022         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
3023         DECL_UID equal to cur_in_fname.
3024         (copy_node_stat): Do not change DECL_UID when copying a
3025         TRANSLATION_UNIT_DECL.
3026         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
3027         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
3028
3029         * c-decl.c (c_static_assembler_name): Delete.
3030         * c-tree.h (c_static_assembler_name): Delete prototype.
3031         * c-lang.c, objc/objc-lang.c: Don't override
3032         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
3033
3034         * Makefile.in (tree.o): Update dependencies.
3035         (GTFILES): Remove langhooks.c.
3036
3037 2004-07-05  Roger Sayle  <roger@eyesopen.com>
3038
3039         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
3040         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
3041         Normalize "X % C" as "X % -C" for signed modulus and negative C.
3042         Optimize "X % -Y" as "X % Y" for signed modulus.
3043         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
3044         into "((unsigned) X % Y) == 0".
3045
3046 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3047
3048         * sourcebuild.texi (Config Fragments): Use @comma{} in
3049         cross-reference to section title.
3050
3051 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3052
3053         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
3054         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
3055         (gimplify_target_expr, gimplify_expr): Likewise.
3056         (copy_if_shared_r): No longer need special case for BIND_EXPR.
3057         (unshare_body, unvisit_body): Only look at nested if BODY_P is
3058         whole function.
3059         (gimplify_compound_lval): See if we can strip any useless conversion.
3060         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
3061         from RHS, not LHS.
3062         (gimplify_modify_expr_to_memset): Likewise.
3063         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
3064         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
3065         (declare_inline_vars): Likewise.
3066         (walk_type_fields): New function.
3067         (walk_tree): Use it.
3068         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
3069
3070         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
3071         (sra_walk_modify_expr): Allow init function to fail.
3072         (scan_init): Now returns bool.
3073         (generate_element_init): If can't understand INIT, return false.
3074         (scalarize_init): Return false if generate_element_init does.
3075
3076         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
3077         print bounds.
3078
3079         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
3080         bounds if bounds aren't constant.
3081
3082         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
3083
3084         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
3085         to type hooks; remove bogus PARAMS.
3086
3087 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
3088
3089         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
3090         * dwarf2out.c (add_data_member_location_attribute): Check for
3091         TREE_BINFO.
3092         * tree.c (tree_node_kinds): Add "binfos".
3093         (binfo_lang_slots): New.
3094         (make_node_stat): Add TREE_BINFO.
3095         (make_tree_binfo_stat): New.
3096         (tree_node_structure): Add TREE_BINFO.
3097         * tree.def (TREE_BINFO): New.
3098         * tree.h (REC_OR_UNION_CHECK): Rename to ...
3099         (RECORD_OR_UNION_CHECK): ... here.
3100         (NOT_RECORD_OR_UNION_CHECK): New.
3101         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
3102         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
3103         RECORD_OR_UNION_CHECK.
3104         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
3105         (TYPE_LANG_SLOT_1): New.
3106         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
3107         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
3108         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
3109         (BINFO_ELTS): Remove.
3110         (BINFO_LANG_SLOT): New.
3111         (struct tree_binfo): New.
3112         (binfo_lang_slots): Declare.
3113         (enum tree_node_structure_enum): Add TS_BINFO.
3114         (union tree_node): Add binfo.
3115         (make_tree_binfo_stat): Declare.
3116         (make_tree_binfo): New.
3117         (enum tree_node_kind): Add binfo_kind.
3118
3119         * objc/objc-act.c (start_class, objc_declare_protocols,
3120         start_protocols): Use TYPE_LANG_SLOT_1.
3121         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
3122         to ...
3123         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
3124         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
3125         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
3126         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
3127
3128 2004-07-05  Steven Bosscher  <stevenb@suse.de>
3129
3130         * rtl.h (struct rtx_def): Remove the integrated flag.
3131         Use the return_val flag for MEM_SCALAR_P.
3132         Reshuffle and update flags in CLEAR_RTX_FLAGS.
3133
3134 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
3135
3136         PR target/16357
3137         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
3138         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
3139         move_by_pieces.
3140
3141 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
3142
3143         * var-tracking.c: Fix some comments.
3144         (frame_stack_adjust): New.
3145         (vt_stack_adjustments): Init stack_adjust of entry block to
3146         minus stack adjustment of function prologue.
3147         (adjust_stack_reference): Do not adjust if adjustment == 0.
3148         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
3149         (emit_notes_in_bb): Likewise.
3150         (vt_add_function_parameters): Do not adjust locations of
3151         function arguments.
3152         (vt_initialize): Compute the stack adjustment of function
3153         prologue and offset the initial "location" of frame_base_decl
3154         from the stack pointer after prologue.
3155
3156 2004-07-04  Richard Henderson  <rth@redhat.com>
3157
3158         * function.c (struct assign_parm_data_all): New.
3159         (struct assign_parm_data_one): New.
3160         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
3161         assign_parm_find_data_types, assign_parms_setup_varargs,
3162         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
3163         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
3164         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
3165         assign_parm_setup_block, assign_parm_setup_reg,
3166         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
3167         (assign_parms): ... here.
3168
3169 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
3170
3171         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
3172         now are bitmap_set_t's.
3173         (bitmap_insert_into_set): No point in inserting the value if
3174         it's invariant.
3175         (bitmap_set_contains): New function.
3176         (bitmap_set_replace_value): Add comment on why we do it
3177         this way.
3178         (set_contains): Removed.
3179         (bitmap_set_subtract_from_value_set): New name of
3180         set_subtract now that it's arguments are two different
3181         types of sets.
3182         Update callers.
3183         (bitmap_find_leader): Change algorithm used.
3184         (find_or_generate_expression): Update use of functions for new
3185         bitmap sets.
3186         (create_expression_by_pieces): Ditto.
3187         (insert_aux): Ditto.
3188         (insert): Ditto.
3189         (add_to_sets): Ditto.
3190         (init_pre): Ditto.
3191         (execute_pre): Ditto.
3192         (compute_avail): Ditto.
3193         Also ignore virtual phis.
3194
3195 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3196
3197         * combine.c (simplify_comparison): Fix comment typo.
3198
3199 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3200
3201         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
3202         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
3203         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
3204         (output_restore): Change parameter from 'insn' to 'pat'.
3205         (output_return): Adjust call to output_restore.
3206         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
3207         Adjust call to output_restore.
3208
3209 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3210
3211         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
3212         and assert system is bsd.
3213
3214 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3215
3216         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
3217         (TARGET_SWITCHES): Remove -mdebugc.
3218         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
3219         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
3220         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
3221         (sle_[sd]i_reg): Delete.
3222
3223 2004-07-04  Steven Bosscher  <stevenb@suse.de>
3224
3225         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
3226         Define.
3227         * config/iq2000/iq2000.md: Translate old pipeline description to an
3228         equivalent new one.
3229
3230 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3231
3232         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
3233         Ensure the replacement rhs is valid gimple before performing
3234         the substitution.  Return false if these sanity checks fail.
3235         (fold_stmt): Only set changed to true, if set_rhs returns true.
3236         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
3237         succeeds.
3238
3239 2004-07-04  Richard Henderson  <rth@redhat.com>
3240
3241         PR c/16348
3242         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
3243
3244 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
3245
3246         * configure.ac (ranlib_flags): New variable.
3247         * Makefile.in (RANLIB_FLAGS): New variable.
3248         (libbackend.a): Use it.
3249         * configure: Regenerated.
3250
3251 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3252
3253         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
3254         a "sign mask" instead of using ashr_optab directly.
3255
3256 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3257
3258         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
3259         * doc/cppopts.texi: Clarify processing of command-line defines.
3260
3261 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
3262
3263         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
3264
3265 2004-07-04  Richard Henderson  <rth@redhat.com>
3266
3267         * rtl.def (ADDRESSOF): Remove.
3268         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
3269         (find_base_term, memrefs_conflict_p): Likewise.
3270         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
3271         (fold_rtx, cse_insn, set_live_p): Likewise.
3272         * dwarf2out.c (mem_loc_descriptor): Likewise.
3273         (add_location_or_const_value_attribute): Likewise.
3274         * emit-rtl.c (copy_insn_1): Likewise.
3275         * explow.c (memory_address): Likewise.
3276         * expmed.c (store_split_bit_field): Likewise.
3277         * expr.c (expand_expr_real_1): Likewise.
3278         * function.c (instantiate_decl
3279         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
3280         * genrecog.c (preds, validate_pattern): Likewise.
3281         * integrate.c (copy_rtx_and_substitute): Likewise.
3282         * recog.c (general_operand, register_operand): Likewise.
3283         (memory_address_p): Likwise.
3284         * reload1.c (eliminate_regs, elimination_effects): Likewise.
3285         * rtl.c (copy_rtx): Likewise.
3286         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
3287         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
3288         * rtlhooks.c (gen_lowpart_general): Likewise.
3289         * stmt.c (expand_asm_operands): Likewise.
3290         * web.c (entry_register, replace_ref, web_main): Likewise.
3291         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
3292         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3293         * config/arm/arm.c (thumb_rtx_costs): Likewise.
3294         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
3295         * config/frv/frv.c (move_destination_operand, move_source_operand,
3296         condexec_dest_operand, condexec_source_operand,
3297         condexec_memory_operand): Likewise.
3298         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
3299         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
3300         (destination_xfmode_operand): Likewise.
3301         * config/mips/mips.h (PREDICATE_CODES): Likewise.
3302         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
3303         * config/s390/s390.c (general_s_operand): Likewise.
3304         * config/s390/s390.md (mov*): Likewise.
3305         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
3306
3307         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
3308         * expr.c (expand_expr_real_1): Likewise.
3309         * stmt.c (expand_decl): Likewise.
3310         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3311
3312         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
3313         postponed_insns, put_var_into_stack, put_reg_into_stack,
3314         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
3315         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
3316         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
3317         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
3318         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
3319         purge_bitfield_addressof_replacements, purge_addressof_replacements,
3320         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
3321         struct insns_for_mem_walk_info, insns_for_mem_walk,
3322         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
3323         setjmp_protect_args): Remove.
3324         (push_function_context_to): Don't handle var_refs_queue.
3325         (pop_function_context_from, free_after_compilation): Likewise.
3326         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
3327         (assign_parms, allocate_struct_function): Likewise.
3328         (use_register_for_decl): New.
3329         (expand_function_end): Don't setjmp_protect.
3330         * function.h (struct emit_status): Update commentary.
3331         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
3332         (max_parm_reg, parm_reg_stack_loc): Remove.
3333         * passes.c (DFI_addressof): Remove.
3334         (dump_file_info): Remove addressof.
3335         (rest_of_handle_addressof): Remove.
3336         (rest_of_compilation): Don't call it.
3337         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
3338         * stmt.c (expand_decl): Use use_register_for_decl.
3339         * tree.h: Update decls.
3340         * web.c (mark_addressof): Remove.
3341         * doc/invoke.texi (-dF): Remove.
3342
3343 2004-07-03  Richard Henderson  <rth@redhat.com>
3344
3345         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
3346         instead of gen_mem_addressof.
3347         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
3348         TImode output register.
3349
3350 2004-07-03  Richard Henderson  <rth@redhat.com>
3351
3352         PR tree-optimization/16341
3353         * tree-sra.c (sra_walk_function): Increment to next stmt before
3354         processing the current stmt.
3355         (sra_insert_after): Always use BSI_SAME_STMT.
3356
3357 2004-07-03  Richard Henderson  <rth@redhat.com>
3358
3359         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
3360         fp plus with minus.
3361
3362 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3363
3364         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
3365         with tree_int_cst_equal.
3366
3367 2004-07-03  Andreas Schwab  <schwab@suse.de>
3368
3369         * config/ia64/ia64.md: Define new attribute "empty".
3370         (prologue_use, nop_x, insn_group_barrier): Set it.
3371
3372         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
3373         skip over "empty" insns.
3374
3375 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3376
3377         * tree-inline.c (initialize_inlined_parameters): Pass proper function
3378         context to gimplify_body.
3379         (walk_tree): Don't walk into types twice.
3380         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
3381
3382         * tree-sra.c (generate_element_init): Remove any useless conversions.
3383
3384         * gimplify.c (gimplify_conversion): Remove stripping useless
3385         conversions from here.
3386         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
3387         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
3388         Unshare before substituting PLACEHOLDER_EXPR.
3389         (gimplify_modify_expr_to_memset): Likewise.
3390         Pass address of TO to memset, not TO itself.
3391         (gimplify_init_constructor): Make copy of OBJECT so we have it each
3392         time we make an expression (to match a PLACEHOLDER_EXPR).
3393
3394         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
3395         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
3396         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
3397         * tree-ssa-dom.c (local_fold): Likewise.
3398
3399         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
3400         * langhooks.h (strct lang_hooks): New field type_max_size.
3401         * function.c (assign_temp): Call it.
3402
3403 2004-07-03  Steven Bosscher  <stevenb@suse.de>
3404
3405         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
3406         * config/sh/sh.md: Convert the SH1 pipeline description to
3407         a DFA model.
3408
3409 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
3410
3411         * c-decl.c (struct c_binding): Remove contour field; add
3412         depth, invisible, nested fields.
3413         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
3414         (B_IN_EXTERNAL_SCOPE): New convenience macros.
3415         (bind): Add invisible and nested arguments. Initialize
3416         new fields of struct c_binding; adjust loop scanning for
3417         insertion point.
3418         (free_binding_and_advance): Clear structure with memset.
3419         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
3420         in file scope, even if it's in external scope too.
3421         (pushdecl): Adjust to match.  Create invisible file-scope
3422         declarations for block-scope forward declarations of static functions.
3423         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
3424         (undeclared_variable, lookup_label, declare_label, define_label)
3425         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
3426         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
3427         (store_parm_decls_oldstyle): Adjust to match.
3428         (diagnose_mismatched_decls): Correct handling of linkage clashes.
3429         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
3430
3431         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
3432         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
3433
3434 2004-07-02  Richard Henderson  <rth@redhat.com>
3435
3436         * c-decl.c (grokdeclarator): Don't frob current_function_decl
3437         around variable_size.
3438         (set_decl_nonlocal): Remove.
3439         (store_parm_decls): Add stmts for pending sizes.
3440         * calls.c (calls_function, calls_function_1): Remove.
3441         (precompute_arguments): Don't call it.
3442         * cfgexpand.c (set_save_expr_context): Remove.
3443         (tree_expand_cfg): Don't call it.
3444         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
3445         (dwarf2out_finish): Likewise.
3446         * expr.c (emit_block_move): Adjust addresses to BLKmode.
3447         (store_constructor): Don't pre-evaluate SAVE_EXPR.
3448         (safe_from_p): Don't queue SAVE_EXPRs.
3449         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
3450         or build plain VAR_DECLs.
3451         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
3452         (fold): Likewise.
3453         (fold_checksum_tree): Don't special-case SAVE_EXPR.
3454         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
3455         (put_var_into_stack): Don't handle SAVE_EXPR.
3456         (gen_mem_addressof): Likewise.
3457         * function.h (struct function): Remove x_save_expr_regs.
3458         (save_expr_regs): Remove.
3459         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
3460         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
3461         * stor-layout.c (variable_size): Don't set it.
3462         (force_type_save_exprs, force_type_save_exprs_1): Remove.
3463         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
3464         all callers.  Don't set SAVE_EXPR_CONTEXT.
3465         * tree-inline.h (remap_save_expr): Update decl.
3466         * tree.c (save_expr): Update build size.
3467         (first_rtl_op): Don't handle SAVE_EXPR.
3468         (unsave_expr_1, contains_placeholder_p): Likewise.
3469         (decl_function_context): Likewise.
3470         * tree.def (SAVE_EXPR): Remove args 1 and 2.
3471         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
3472         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
3473
3474 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3475
3476         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
3477         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
3478         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
3479         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
3480         some first-person references and patronizing comments.  Based on
3481         printed manual.
3482         * doc/invoke.texi: Don't reference fortran@gnu.org.
3483         * doc/trouble.texi (Warning when a non-void function value is
3484         ignored): Rewrite.  From Russ Allbery and Chris Devers.
3485
3486 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
3487
3488         * tree-ssa-pre.c (bitmap_set_t): New.
3489         (bb_value_sets): avail_out is now a bitmap_set_t.
3490         (bitmap_find_leader): New function.
3491         (bitmap_value_insert_into_set): Ditto.
3492         (bitmap_set_copy): Ditto.
3493         (bitmap_value_replace_in_set): Ditto.
3494         (bitmap_set_contains_value): Ditto.
3495         (bitmap_set_new): Ditto.
3496         (bitmap_set_pool): New pool.
3497         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
3498         (insert_aux): Ditto.
3499         (add_to_sets): Ditto.
3500         (compute_avail): Ditto
3501         (eliminate): Ditto.
3502         (init_pre): Ditto.
3503         (fini_pre): Ditto.
3504         (execute_pre): Ditto.
3505
3506 2004-07-02  Roger Sayle  <roger@eyesopen.com>
3507
3508         * config/rs6000/rs6000.c (struct processor_costs): New structure
3509         used to hold instruction latencies/sizes for processor types.
3510         (rs6000_cost): New global variable pointing to current CPU's costs.
3511         (rs6000_override_options): Initialize rs6000_cost to point to the
3512         appropriate cost table based upon rs6000_cpu and optimize_size.
3513         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
3514         timings inline.
3515
3516 2004-07-02  Richard Henderson  <rth@redhat.com>
3517
3518         * expmed.c (make_tree): Don't use SET_DECL_RTL.
3519
3520 2004-07-02  Steven Bosscher  <stevenb@suse.de>
3521
3522         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
3523
3524 2004-07-01  Richard Henderson  <rth@redhat.com>
3525
3526         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
3527         (alpha_gp_save_rtx): Use assign_stack_local instead of
3528         gen_mem_addressof.
3529
3530 2004-07-01  Richard Henderson  <rth@redhat.com>
3531
3532         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
3533         (alpha_rtx_cost_data): Update to match.
3534         (alpha_rtx_cost_size): New.
3535         (alpha_rtx_costs): Honor optimize_size.
3536
3537 2004-07-01  Richard Henderson  <rth@redhat.com>
3538
3539         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
3540         * cfgexpand.c (tree_expand_cfg): Do it here.
3541         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
3542         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
3543         * config/mips/mips.c (mips_output_mi_thunk): And here.
3544         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
3545         * config/sh/sh.c (sh_output_mi_thunk): And here.
3546         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
3547
3548 2004-07-01  Richard Henderson  <rth@redhat.com>
3549
3550         * tree.def (RTL_EXPR): Remove.
3551         * c-typeck.c (lvalue_p): Don't handle it.
3552         * expr.c (safe_from_p): Likewise.
3553         (expand_expr_real_1): Likewise.
3554         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
3555         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
3556         * gengtype.c (adjust_field_tree_exp): Likewise.
3557         * stmt.c (warn_if_unused_value): Likewise.
3558         * tree-gimple.c (recalculate_side_effects): Likewise.
3559         * tree-pretty-print.c (dump_generic_node): Likewise.
3560         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
3561         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
3562         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
3563
3564         * stmt.c (struct stmt_status): Remove x_last_expr_type,
3565         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
3566         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
3567         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
3568         all the bits that tracked last_expr.
3569         (expand_end_bindings): Don't track last_expr.
3570         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
3571         (clear_last_expr): Remove.
3572         (expand_asm): Don't call it.
3573         (expand_asm_operands, expand_end_cond): Likewise.
3574         (expand_naked_return, expand_null_return_1): Likewise.
3575         * c-typeck.c (c_begin_compound_stmt): Likewise.
3576         * cfgexpand.c (expand_block): Use expand_expr_stmt.
3577         * expr.c (expand_expr_real_1): Likewise.
3578         * tree.h: Update prototypes.
3579
3580         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
3581         (struct emit_status): Remove sequence_rtl_expr.
3582         (struct function): Remove x_rtl_expr_chain.
3583         (seq_rtl_expr, rtl_expr_chain): Remove.
3584         * function.c (struct temp_slot): Remove rtl_expr.
3585         (assign_stack_temp_for_type): Don't set it.
3586         (free_temp_slots, pop_temp_slots): Don't check it.
3587         (free_after_compilation): Don't clear x_rtl_expr_chain.
3588         (fixup_var_refs): Don't search it.
3589         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
3590         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
3591         or seq_rtl_expr.
3592         (push_topmost_sequence): Likewise.
3593         (end_sequence, init_emit): Likewise.
3594         (start_sequence_for_rtl_expr): Remove.
3595         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
3596         * rtl.h (preserve_rtl_expr_result): Remove.
3597
3598 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
3599
3600         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
3601         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
3602         typos.
3603
3604 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3605
3606         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
3607         (STANDARD_STARTFILE_PREFIX_2): Define.
3608         (standard_startfile_prefix_1): Initialize to
3609         STANDARD_STARTFILE_PREFIX_1.
3610         (standard_startfile_prefix_2): Initialize to
3611         STANDARD_STARTFILE_PREFIX_2.
3612         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
3613         (STANDARD_STARTFILE_PREFIX_1): Define.
3614         (STANDARD_STARTFILE_PREFIX_2): Define.
3615         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
3616         (STANDARD_STARTFILE_PREFIX_2): Document.
3617
3618 2004-07-01  Richard Henderson  <rth@redhat.com>
3619
3620         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
3621         in order to disable scalarization.  Instead set a flag and wait
3622         for a candidate decl.
3623
3624 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3625
3626         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
3627         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
3628         Use terminology "testsuite" and "enumerated".
3629
3630 2004-07-01  Richard Henderson  <rth@redhat.com>
3631
3632         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
3633         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
3634         (initial_return_save): Likewise.
3635         (flush_queued_reg_saves): Remap register numbers.
3636         (dwarf2out_return_reg): Likewise.
3637
3638 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3639
3640         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
3641
3642         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
3643         access functions for lower bound and element size and only output
3644         if lower bound nonzero or element size not same as that of type.
3645         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
3646
3647 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3648
3649         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
3650
3651 2004-07-01  Per Bothner  <per@bothner.com>
3652
3653         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
3654
3655 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
3656
3657         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
3658         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
3659         first operand.  Don't optimize if the bitfield is volatile.
3660
3661 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3662
3663         * c-pretty-print.c (pp_c_postfix_expression): Handle
3664         floating-point comparison operators.
3665         (pp_c_expression): Pass floating-point comparison
3666         operators to pp_c_postfix_expression.
3667
3668 2004-07-01  Roger Sayle  <roger@eyesopen.com>
3669
3670         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
3671         rtx_cost instead of "had_mult" to determine whether the transformed
3672         expression is cheaper than the original.
3673
3674 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
3675
3676         * alias.c (get_alias_set, canon_rtx, get_addr,
3677         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
3678         Use MEM_P.
3679         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
3680         expand_builtin): Likewise.
3681         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
3682         Likewise.
3683         * combine.c (can_combine_p, combinable_i3pat, try_combine,
3684         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
3685         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
3686         record_dead_and_set_regs_1, get_last_value_validate,
3687         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
3688         * cse.c (check_dependence, canon_hash, equiv_constant,
3689         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
3690         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
3691         count_reg_usage): Likewise.
3692         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
3693         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
3694         cselib_record_sets): Likewise.
3695         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
3696         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
3697         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
3698         * df.c (df_uses_record): Likewise.
3699         * dojump (do_jump): Likewise.
3700         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
3701         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
3702         decl_start_label): Likewise.
3703         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
3704         operand_subword, change_address_1, make_safe_from): Likewise.
3705         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
3706         stabilize, force_not_mem): Likewise.
3707         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
3708         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
3709         * expr.c (convert_move, convert_modes, emit_block_move,
3710         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
3711         emit_move_insn_1, expand_assignment, store_expr,
3712         store_constructor_field, store_constructor, store_field,
3713         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
3714         Likewise.
3715         * final.c (cleanup_subreg_operands, alter_subreg,
3716         get_mem_expr_from_op): Likewise.
3717         * flow.c (notice_stack_pointer_modification_1,
3718         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
3719         Likewise.
3720         * function.c (mark_temp_addr_taken, preserve_temp_slots,
3721         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
3722         optimize_bit_field, flush_addressof, purge_addressof_1,
3723         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
3724         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
3725         keep_stack_depressed): Likewise.
3726         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
3727         noce_process_if_block, find_memory): Likewise.
3728         * integrate.c (subst_constants, allocate_initial_values): Likewise.
3729         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
3730         update_equiv_regs): Likewise.
3731         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
3732         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
3733         * optabs.c (expand_abs, emit_unop_insn): Likewise.
3734         * passes.c (rest_of_handle_final): Likewise.
3735         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
3736         move2add_note_store): Likewise.
3737         * ra-build.c (detect_remat_webs): Likewise.
3738         * ra-debug.c (dump_static_insn_cost): Likewise.
3739         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
3740         * recog.c (validate_change, apply_change_group, cancel_changes,
3741         validate_replace_rtx_1, general_operand, register_operand,
3742         nonmemory_operand, push_operand, pop_operand, memory_operand,
3743         indirect_operand, asm_operand_ok, offsettable_memref_p,
3744         offsettable_nonstrict_memref_p, constrain_operands,
3745         store_data_bypass_p): Likewise.
3746         * reg-stack.c (subst_stack_regs_pat): Likewise.
3747         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
3748         copy_cost, reg_scan_mark_refs): Likewise.
3749         * regmove.c (optimize_reg_copy_3, stack_memref_p,
3750         combine_stack_adjustments_for_block): Likewise.
3751         * regrename.c (copyprop_hardreg_forward_1): Likewise.
3752         * reload.c (can_reload_into, push_reload, decompose, immune_p,
3753         find_reloads, find_reloads_address, find_reloads_address_1,
3754         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
3755         find_equiv_reg): Likewise.
3756         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
3757         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
3758         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
3759         delete_address_reloads): Likewise.
3760         * resource.c (mark_referenced_resources): Likewise.
3761         * rtlanal.c (get_jump_table_offset, count_occurrences,
3762         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
3763         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
3764         num_sign_bit_copies1): Likewise.
3765         * rtlhooks.c (gen_lowpart_general): Likewise.
3766         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
3767         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
3768         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
3769         sdbout_global_decl): Likewise.
3770         * simplify-rtx.c (simplify_subreg): Likewise.
3771         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
3772         expand_anon_union_decl, expand_end_case_type): Likewise.
3773         * unroll.c (calculate_giv_inc): Likewise.
3774         * var-tracking.c (stack_adjust_offset_pre_post,
3775         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
3776         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
3777         vt_add_function_parameters): Likewise.
3778         * varasm.c (make_var_volatile, notice_global_symbol,
3779         assemble_external, decode_addr_const, mark_weak,
3780         default_encode_section_info): Likewise.
3781
3782 2004-07-01  Steven Bosscher  <stevenb@suse.de>
3783
3784         * stmt.c (check_seenlabel): Remove.
3785         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
3786
3787 2004-07-01  Richard Henderson  <rth@redhat.com>
3788
3789         * function.h (struct function): Remove x_function_call_count.
3790         (function_call_count): Remove.
3791         * calls.c (expand_call): Don't set it.
3792         * integrate.c (copy_rtx_and_substitute): Likewise.
3793
3794         * function.h (struct function): Remove x_cleanup_label.
3795         (cleanup_label): Remove.
3796         * stmt.c (expand_value_return): Don't use it.
3797         * function.c (free_after_compilation): Don't set it.
3798         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
3799         * cfgexpand.c (tree_expand_cfg): Update call.
3800         * tree.h (expand_function_start): Update decl.
3801
3802 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3803
3804         PR c/1027
3805         * c-lang.c (c_initialize_diagnostics): Move from here ...
3806         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
3807         (c_tree_printer): Use pretty-printer to format %T.
3808         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
3809         before '*' if not C++.
3810         (pp_c_direct_abstract_declarator): Don't try to print array upper
3811         bound for flexible array members.
3812         * c-tree.h: Include "diagnostic.h".
3813         (c_initialize_diagnostics): Declare.
3814         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
3815         * c-format.c (format_type_warning): New function.  Improve
3816         diagnostics for incorrect format argument types.
3817         (check_format_types): Use it.  Add two parameters.  Use the
3818         TYPE_MAIN_VARIANT of wanted_type.
3819         (check_format_info_main): Pass new parameters to
3820         check_format_types.
3821         (struct format_wanted_type): Update comment.
3822
3823 2004-07-01  Nick Clifton  <nickc@redhat.com>
3824
3825         * target.h (struct gcc_target): Add new field to struct cxx:
3826         import_export_class.
3827         * target-def.h (TARGET_CXX): Initialise the new field.
3828         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
3829         the new field.
3830         * doc/tm.texi: Document the new target hook.
3831
3832 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3833
3834         * builtins.c (fold_builtin_classify): Fix typo.
3835
3836 2004-07-01  Richard Henderson  <rth@redhat.com>
3837
3838         * function.c (identify_blocks, identify_blocks_1): Remove.
3839         * function.h (identify_blocks): Remove.
3840         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
3841
3842 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3843
3844         * builtins.c (fold_builtin_classify): New.
3845         (fold_builtin_unordered_cmp): Fix commentary.
3846         (fold_builtin): Use it.
3847         * builtins.def: Define builtins for isnan,
3848         isnanf, isnanl, finite, finitef, finitel,
3849         isinf, isinff, isinfl.
3850
3851 2004-07-01  Richard Henderson  <rth@redhat.com>
3852
3853         * function.h (struct function): Remove dont_emit_block_notes.
3854         * gimple-low.c (lower_function_body): Don't set it.
3855         * cfgexpand.c (expand_block): Don't check it.
3856         * cfglayout.c (insn_locators_initialize): Likewise.
3857         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
3858         * passes.c (rest_of_compilation): Likewise.
3859         * stmt.c (expand_start_bindings_and_block): Likewise.
3860         (expand_end_bindings): Likewise.
3861
3862 2004-07-01  Richard Henderson  <rth@redhat.com>
3863
3864         * cgraph.h (cgraph_build_static_cdtor): Declare.
3865         * cgraphunit.c (cgraph_build_static_cdtor): New.
3866         * c-objc-common.c (build_cdtor): Use it.
3867         * coverage.c (create_coverage): Likewise.
3868         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
3869         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
3870
3871 See ChangeLog.11 for earlier changes.