OSDN Git Service

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