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