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