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