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