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